CN102255981A - Highly-efficient reliable acquisition station address allocation method and system - Google Patents
Highly-efficient reliable acquisition station address allocation method and system Download PDFInfo
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Abstract
The invention provides a highly-efficient reliable acquisition station address allocation system, which comprises acquisition stations and a cross station. A plurality of acquisition stations are linearly connected in series to form series-wound acquisition station groups. The cross station is connected in series to the series-wound acquisition station groups, and comprises a query command generation unit, an address generation unit and an address configuration recording unit. The acquisition station comprises a query response unit and a command channel state switching unit, wherein the query response unit is used for responding to a query command transmitted by the cross station, and generating and returning query response information; and the command channel state switching unit is used for switching the operating states of an acquisition station command channel. The operating states of the acquisition station command channel comprise a direction recognizing state, a forwarding state and a through state. By a highly-efficient reliable acquisition station address allocation method and the highly-efficient reliable acquisition station address allocation system, the cross station can sequentially finish address allocation operations on the acquisition stations on the series-wound acquisition station groups with the cross station from far to near for the characteristics of an acquisition station distribution topology structure.
Description
Technical field
The present invention relates to the geological exploration techniques field, particularly a kind of high-efficiency reliable acquisition station address distribution method and system.
Background technology
, construction surface conditions more and more along with field construction road number becomes increasingly complex, so the quantity at field acquisition station is also more and more, and the connection of arrangement is also old more complicated more.And, the sequence number of the acquisition station that each project is used be at random, discontinuous, open-air connection also is at random.And the seismic instrument host computer system must obtain the connection situation at field acquisition station efficiently, accurately, otherwise whole system is with regard to cisco unity malfunction.Therefore, seismic instrument must have a kind of high-efficiency reliable acquisition station address distribution method, allows seismic instrument can obtain the connection situation of acquisition station in real time, finishes to the management of acquisition station with to the data of acquisition station and carries out layout, record.
Summary of the invention
Main purpose of the present invention is to solve problems of the prior art, and a kind of high-efficiency reliable acquisition station address distribution method and system are provided.
The objective of the invention is to be achieved by following technical proposals:
A kind of high-efficiency reliable acquisition station address distribution method is characterized in that, comprising:
Each acquisition station carries out initialization, and the command channel of the acquisition station after the initialization is in to be declared to state; It is that the command channel of acquisition station and the direction of data channel all are in accepting state that what is called is declared to state;
Intersect the querying command generation unit generated query order at station, and send querying command to two ends;
The acquisition station that receives this querying command responds this querying command, is generated and is returned inquiry response information by the inquiry response unit, and be forwarding state with its command channel state exchange; So-called forwarding state is that acquisition station is handled order, and determines whether to transmit to next acquisition station according to the type of order;
After the intersection station receives inquiry response information, by scalar/vector is that the acquisition station that sends inquiry response information distributes the address, address configuration information is sent to the acquisition station that this sends inquiry response information, and described address configuration information is recorded in the address configuration record cell;
After the described acquisition station that sends inquiry response information receives described address configuration information, be pass-through state with its command channel state exchange; So-called pass-through state is that acquisition station is transmitted to next acquisition station when order is handled.
Repeat above-mentioned from intersecting the querying command generation unit generated query order at station, to the described acquisition station that the sends inquiry response information step that is pass-through state with its command channel state exchange;
Till the intersection station does not receive inquiry response information.
After the address assignment of above-mentioned place acquisition station series connection group was finished at the intersection station, intersecting stands also needed the address configuration information that is write down in the described address configuration record cell is uploaded onto the server.
When acquisition station receives querying command when returning inquiry response information, can include acquisition station information in the described inquiry corresponding information.
Intersecting stands checks the address configuration information that is write down in the described address configuration record cell, whether has the address and repeats or the address non-continuous event;
If exist the address to repeat or the address non-continuous event, intersecting stands then sends the initialization control command to the unusual acquisition station in address and its rear end acquisition station;
The unusual acquisition station in described address and its rear end acquisition station carry out initialization after receiving the initialization control command, and the command channel of the acquisition station after the initialization is in to be declared to state;
Repeat above-mentioned from intersecting the querying command generation unit generated query order at station, to the described acquisition station that the sends inquiry response information step that is pass-through state with its command channel state exchange;
Till the intersection station does not receive inquiry response information.
A kind of high-efficiency reliable acquisition station address allocation system is characterized in that, comprising: acquisition station and intersection station; Some acquisition station linear series are arranged and are constituted acquisition station series connection group; Described intersection station is connected in this acquisition station series connection group;
Described intersection station comprises: querying command generation unit, scalar/vector, address configuration record cell; Described querying command generation unit in order to the generated query order, and sends querying command to intersecting the two ends, station; Described scalar/vector is in order to the calculated address configuration information; Described address configuration record cell is in order to write down the address configuration information that is generated;
Described acquisition station comprises: inquiry response unit and command channel state switch unit; Described inquiry response unit, the querying command in order to send at response intersection station generates and returns inquiry response information; Described command channel state switch unit is in order to switch the operating state of acquisition station command channel; The operating state of described acquisition station command channel comprises at least: declare to state, forwarding state and pass-through state; It is described that to declare to state be that the command channel of acquisition station and the direction of data channel all are in accepting state; Described forwarding state is that acquisition station is handled order, and determines whether to transmit to next acquisition station according to the type of order; Described pass-through state is that acquisition station is transmitted to next acquisition station when order is handled.
Also comprise: data transformation interface, switch and server;
Described intersection also is provided with the address configuration information uploading unit in the station, in order to upload the address configuration information that is write down in the described address configuration record cell to server; Each intersects to stand and links to each other with a data translation interface respectively, carries out data transaction in order to data are uploaded at the intersection station; Intersection station in each acquisition station series connection group is connected with switch by coupled data transformation interface respectively; Server is collected the data that upload at each intersection station by switch.
Described intersection station also is provided with automatic address inspection unit and initialization control command generation unit;
Whether described automatic address inspection unit in order to check the address configuration information that is write down in the described address configuration record cell, has the address and repeats or the address non-continuous event;
Described initialization control command generation unit in order to generating the initialization control command, and sends to the unusual acquisition station in address and its rear end acquisition station.
A kind of acquisition station is characterized in that, comprising: inquiry response unit and command channel state switch unit; Described inquiry response unit, the querying command in order to send at response intersection station generates and returns inquiry response information; Described command channel state switch unit is in order to switch the operating state of acquisition station command channel; The operating state of described acquisition station command channel comprises at least: declare to state, forwarding state and pass-through state; It is described that to declare to state be that the command channel of acquisition station and the direction of data channel all are in accepting state; Described forwarding state is that acquisition station is handled order, and determines whether to transmit to next acquisition station according to the type of order; Described pass-through state is that acquisition station is transmitted to next acquisition station when order is handled.
By the embodiment of the invention, based on the characteristics of acquisition station distributed topology structure, by intersection station of series connection in every group of acquisition station series connection group.Intersecting stands can finish address assignment work successively by the nearly extremely acquisition station on its place acquisition station series connection group far away.This acquisition station address distribution method and system have reached designing requirement, and stability is fine, can accurately reflect the connection situation at field acquisition station.And because address assignment is intersected the station from each initiates, the efficient that can improve address assignment is greatly distributed in all intersections location of standing simultaneously.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, does not constitute limitation of the invention.In the accompanying drawings:
Fig. 1 is the connection diagram of high-efficiency reliable acquisition station address allocation system;
Fig. 2 is the acquisition station structural representation;
Fig. 3 is for intersecting the station structure schematic diagram;
Fig. 4 is the flow chart one of high-efficiency reliable acquisition station address distribution method;
Fig. 5 is the flowchart 2 of high-efficiency reliable acquisition station address distribution method.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer,, the present invention is described in further details below in conjunction with execution mode and accompanying drawing.At this, exemplary embodiment of the present invention and explanation thereof are used to explain the present invention, but not as a limitation of the invention.
By analyzing the acquisition station distributed architecture of large-scale open-air seismic instrument, we find that the distributed topology structure of these acquisition stations mainly contains following some characteristic: one, acquisition station is the linear series arrangement more; Two, there is not the crosspoint between each series connection acquisition station group.Based on the distributed topology design feature of above-mentioned acquisition station, the present invention has designed the method and system that are suitable for the acquisition station of this topological structure is carried out address assignment.
Fig. 1 is the connection diagram of high-efficiency reliable acquisition station address allocation system, and Fig. 2 is the acquisition station structural representation, and Fig. 3 is for intersecting the station structure schematic diagram.As shown in the figure, this address allocation system comprises: acquisition station, intersection station.Some acquisition station linear series are arranged and are constituted acquisition station series connection group.Described intersection station is connected in this acquisition station series connection group.
Described intersection station comprises: querying command generation unit, scalar/vector, address configuration record cell.Described querying command generation unit in order to the generated query order, and sends querying command to intersecting the two ends, station.Described scalar/vector is in order to the calculated address configuration information.Described address configuration record cell is in order to write down the address configuration information that is generated.
Described acquisition station comprises: inquiry response unit and command channel state switch unit.Described inquiry response unit, the querying command in order to send at response intersection station generates and returns inquiry response information.Described command channel state switch unit is in order to switch the operating state of acquisition station command channel.The operating state of this acquisition station command channel comprises at least: declare to state, forwarding state and pass-through state.It is described that to declare to state be that the command channel of acquisition station and the direction of data channel all are in accepting state; Described forwarding state is that acquisition station is handled order, and determines whether to transmit to next acquisition station according to the type of order; Described pass-through state is that acquisition station is transmitted to next acquisition station when order is handled.
The acquisition station address allocation system that the invention described above is designed, by the characteristics of acquisition station distributed topology structure, by intersection station of series connection in every group of acquisition station series connection group, intersect connect with its place acquisition station signal and communication between the acquisition station of group of station by this, and pass through the different operating state that mutual signal and communication switches the acquisition station command channel, realized the address assignment of intersection station to the acquisition station of its place acquisition station series connection group.
In actual exploration process, acquisition station often is not arranged in same acquisition station series connection group, but constitutes by many groups of acquisition station series connection groups of not having the crosspoint mutually are parallel.Therefore, at reality exploration situation, we need be provided with one respectively and intersect the station in order to the acquisition station in this group acquisition station series connection group is carried out address assignment in every group of acquisition station series connection group, and each intersects the address configuration information of standing and is aggregated in the unified server and manages the most at last.Based on above-mentioned design philosophy, described acquisition station address allocation system also comprises: data transformation interface, switch and server.
Described intersection also is provided with the address configuration information uploading unit in the station, in order to upload the address configuration information that is write down in the described address configuration record cell to server.Each intersects to stand and links to each other with a data translation interface respectively, carries out data transaction in order to data are uploaded at the intersection station.Intersection station in each acquisition station series connection group is connected with switch by coupled data transformation interface respectively.Server is collected the data that upload at each intersection station by switch.
By above-mentioned address allocation system, each intersects the station and is responsible for the address assignment work of its place acquisition station series connection group acquisition station specially, and address configuration information is aggregated in the unified server and manages the most at last.
In addition, mistake may be occurred when standing in address assignment, the discontinuous phenomenon in address or address might be duplicated owing to intersect.For this phenomenon is corrected, in the designed address allocation system of the present invention, described intersection station also is provided with automatic address inspection unit and initialization control command generation unit.
Whether described automatic address inspection unit in order to check the address configuration information that is write down in the described address configuration record cell, has the address and repeats or the address non-continuous event.
Described initialization control command generation unit in order to generating the initialization control command, and sends to the unusual acquisition station in address and its rear end acquisition station.
By above-mentioned self-detection mechanism, the mistake that this address allocation system occurs in the time of can be to address assignment is corrected, and by the unusual acquisition station in address and its rear end acquisition station are carried out address assignment again, can finish the correction to the address assignment error accurately and rapidly.
Based on the high-efficiency reliable acquisition station address allocation system of said structure, the present invention has designed a kind of high-efficiency reliable acquisition station address distribution method.Fig. 4 is the flow chart one of high-efficiency reliable acquisition station address distribution method.As shown in the figure, this high-efficiency reliable acquisition station address distribution method comprises the steps:
Each acquisition station carries out initialization, and the command channel of the acquisition station after the initialization is in to be declared to state; It is that the command channel of acquisition station and the direction of data channel all are in accepting state that what is called is declared to state;
Intersect the querying command generation unit generated query order at station, and send querying command to two ends;
The acquisition station that receives this querying command responds this querying command, is generated and is returned inquiry response information by the inquiry response unit, and be forwarding state with its command channel state exchange; So-called forwarding state is that acquisition station is handled order, and determines whether to transmit to next acquisition station according to the type of order;
After the intersection station receives inquiry response information, by scalar/vector is that the acquisition station that sends inquiry response information distributes the address, address configuration information is sent to the acquisition station that this sends inquiry response information, and described address configuration information is recorded in the address configuration record cell;
After the described acquisition station that sends inquiry response information receives described address configuration information, be pass-through state with its command channel state exchange; So-called pass-through state is that acquisition station is transmitted to next acquisition station when order is handled.
Above-mentioned high-efficiency reliable acquisition station address distribution method, by intersect between station and the acquisition station signal and communication and to the different switchings of the command channel state of acquisition station, realized intersecting the station to being adjacent the address assignment of near acquisition station.After acquisition station was assigned with the address, its command channel state exchange was a pass-through state, promptly command signal is not done any processing, directly is forwarded to next acquisition station.Like this, repeat above-mentioned address assignment step as long as intersect to stand, can realize successively standing by nearly address assignment work to the acquisition station together that is in series far away from intersection, concrete steps are as follows:
Repeat above-mentioned from intersecting the querying command generation unit generated query order at station, to the described acquisition station that the sends inquiry response information step that is pass-through state with its command channel state exchange;
Till the intersection station does not receive inquiry response information.
In addition, after the address assignment of above-mentioned place acquisition station series connection group was finished at the intersection station, intersecting stands also needed the address configuration information that is write down in the described address configuration record cell is uploaded onto the server.
By the address assignment step of above-mentioned repetition, intersecting stands can finish address assignment work successively by the nearly extremely acquisition station on its place acquisition station series connection group far away.This acquisition station address distribution method has reached designing requirement, and stability is fine, can accurately reflect the connection situation at field acquisition station.And because address assignment is intersected the station from each initiates, the efficient that can improve address assignment is greatly distributed in all intersections location of standing simultaneously.
Below in conjunction with the high-efficiency reliable acquisition station address allocation system structure shown in Fig. 1, we provide a specific embodiment based on above-mentioned address distribution method.
As previously mentioned, address allocation system shown in Figure 1 is made of six intersection stations that are in the acquisition station of same acquisition station series connection group and are connected on wherein.Intersecting stands upwards is connected by data transformation interface, switch-to-server.According to the designed address distribution method of the invention described above, the following address assignment of carrying out of present embodiment:
Acquisition station 1-6 at first carries out initialization, its command channel state is in declares to state.
Intersecting the station sends querying command for the first time, and intersects stop spacing after nearest acquisition station 3 and acquisition station 4 are received this querying command, because its command channel is in and declares to state, so difference return address " 0 ".This address of returning " 0 " promptly is equivalent to aforementioned inquiry response information.At this moment, the command channel of acquisition station 3 and acquisition station 4 is converted to forwarding state.After the address of returning " 0 " is received at the intersection station, address " 2047 " are distributed to acquisition station 3, address " 2048 " are distributed to acquisition station 4, and institute's addresses distributed configuration information is sent to acquisition station 3 and acquisition station 4.After acquisition station 3 and acquisition station 4 are received address configuration information, be pass-through state, finish address assignment acquisition station 3 and acquisition station 4 with its command channel state exchange.
Intersecting stands sends querying command for the second time, because the command channel of acquisition station 3 and acquisition station 4 has been in pass-through state, this moment with intersects stop spacing after nearest acquisition station 2 and acquisition station 5 are received this querying command because its command channel is in and declares to state, so distinguish return address " 0 ".At this moment, the command channel of acquisition station 2 and acquisition station 5 is converted to forwarding state.After the address of returning " 0 " is received at the intersection station, address " 2046 " are distributed to acquisition station 2, address " 2049 " are distributed to acquisition station 5, and institute's addresses distributed configuration information is sent to acquisition station 2 and acquisition station 5.After acquisition station 2 and acquisition station 5 are received address configuration information, be pass-through state, finish address assignment acquisition station 2 and acquisition station 5 with its command channel state exchange.
Intersecting stands sends querying command for the third time, because the command channel of acquisition station 2 to 5 has been in pass-through state, this moment with intersects stop spacing after nearest acquisition station 1 and acquisition station 6 are received this querying command because its command channel is in and declares to state, so distinguish return address " 0 ".At this moment, the command channel of acquisition station 1 and acquisition station 6 is converted to forwarding state.After the address of returning " 0 " is received at the intersection station, address " 2045 " are distributed to acquisition station 1, address " 2050 " are distributed to acquisition station 6, and institute's addresses distributed configuration information is sent to acquisition station 1 and acquisition station 6.After acquisition station 1 and acquisition station 6 are received address configuration information, be pass-through state, finish address assignment acquisition station 1 and acquisition station 6 with its command channel state exchange.
After querying command is sent the 4th time in the intersection station, there is not inquiry response message address " 0 " to return, expression finishes with all acquisition station address assignment of intersecting on the acquisition station series connection group that the station is connected, addresses distributed is 2045,2046,2047,2048,2049,2050, totally six acquisition stations, the address is continuous, and does not have the phenomenon of repeat to address (RA) to occur.Intersecting stands returns this address configuration information to server.Whole address allocating task is finished.
Therefore to intersect station be to begin to carry out address assignment successively to acquisition station at a distance from the acquisition station nearest with it, and it is since (2047,2048 distribution from the address in the present embodiment of the numerical value than the centre that institute distributes the address.) beginning successively decreases respectively, increases progressively to two ends and carry out address assignment.The distribution of this address number is comparatively simple, effective; but should therefore not limit the concrete form that its address number distributes, those skilled in the art all should be considered as within protection scope of the present invention based on the address number distribution method of what form that adopts in the address distribution method that the invention described above proposed.
In addition, when acquisition station receives querying command when returning inquiry response information, can include acquisition station information in the described inquiry corresponding information.This acquisition station information can comprise acquisition station sequence number, version number etc.
In addition, mistake may be occurred when standing in address assignment, the discontinuous phenomenon in address or address might be duplicated owing to intersect.Referring to Fig. 5, for this phenomenon is corrected, the present invention has also designed the mechanism that system carries out self check to the address allocation result, specifically comprises the steps:
Intersecting stands checks the address configuration information that is write down in the described address configuration record cell, whether has the address and repeats or the address non-continuous event;
If exist the address to repeat or the address non-continuous event, intersecting stands then sends the initialization control command to the unusual acquisition station in address and its rear end acquisition station;
The unusual acquisition station in described address and its rear end acquisition station carry out initialization after receiving the initialization control command, and the command channel of the acquisition station after the initialization is in to be declared to state;
Repeat above-mentioned from intersecting the querying command generation unit generated query order at station, to the described acquisition station that the sends inquiry response information step that is pass-through state with its command channel state exchange;
Till the intersection station does not receive inquiry response information.
By above-mentioned self-detection mechanism, the mistake that this address allocation system occurs in the time of can be to address assignment is corrected, and by the unusual acquisition station in address and its rear end acquisition station are carried out address assignment again, can finish the correction to the address assignment error accurately and rapidly.
In sum, the invention provides a kind of high-efficiency reliable acquisition station address distribution method and system, at the characteristics of acquisition station distributed topology structure, can make the intersection station finish address assignment work successively by the nearly extremely acquisition station on its place acquisition station series connection group far away.This address allocation procedure stability is fine, can accurately reflect the connection situation at field acquisition station, and improves the efficient of address assignment greatly.Persons skilled in the art are under this design philosophy, and any not creative transformation of doing all should be considered as within protection scope of the present invention.
Claims (9)
1. a high-efficiency reliable acquisition station address distribution method is characterized in that, comprising:
Each acquisition station carries out initialization, and the command channel of the acquisition station after the initialization is in to be declared to state; It is that the command channel of acquisition station and the direction of data channel all are in accepting state that what is called is declared to state;
Intersect the querying command generation unit generated query order at station, and send querying command to two ends;
The acquisition station that receives this querying command responds this querying command, is generated and is returned inquiry response information by the inquiry response unit, and be forwarding state with its command channel state exchange; So-called forwarding state is that acquisition station is handled order, and determines whether to transmit to next acquisition station according to the type of order;
After the intersection station receives inquiry response information, by scalar/vector is that the acquisition station that sends inquiry response information distributes the address, address configuration information is sent to the acquisition station that this sends inquiry response information, and described address configuration information is recorded in the address configuration record cell;
After the described acquisition station that sends inquiry response information receives described address configuration information, be pass-through state with its command channel state exchange; So-called pass-through state is that acquisition station is transmitted to next acquisition station when order is handled.
2. high-efficiency reliable acquisition station address distribution method as claimed in claim 1 is characterized in that:
Repeat above-mentioned from intersecting the querying command generation unit generated query order at station, to the described acquisition station that the sends inquiry response information step that is pass-through state with its command channel state exchange;
Till the intersection station does not receive inquiry response information.
3. high-efficiency reliable acquisition station address distribution method as claimed in claim 2, it is characterized in that: after the address assignment of above-mentioned place acquisition station series connection group was finished at the intersection station, intersecting stands also needed the address configuration information that is write down in the described address configuration record cell is uploaded onto the server.
4. high-efficiency reliable acquisition station address distribution method as claimed in claim 1 is characterized in that: when acquisition station receives querying command when returning inquiry response information, can include acquisition station information in the described inquiry corresponding information.
5. high-efficiency reliable acquisition station address distribution method as claimed in claim 1 or 2 is characterized in that, also comprises:
Intersecting stands checks the address configuration information that is write down in the described address configuration record cell, whether has the address and repeats or the address non-continuous event;
If exist the address to repeat or the address non-continuous event, intersecting stands then sends the initialization control command to the unusual acquisition station in address and its rear end acquisition station;
The unusual acquisition station in described address and its rear end acquisition station carry out initialization after receiving the initialization control command, and the command channel of the acquisition station after the initialization is in to be declared to state;
Repeat above-mentioned from intersecting the querying command generation unit generated query order at station, to the described acquisition station that the sends inquiry response information step that is pass-through state with its command channel state exchange;
Till the intersection station does not receive inquiry response information.
6. a high-efficiency reliable acquisition station address allocation system is characterized in that, comprising: acquisition station and intersection station; Some acquisition station linear series are arranged and are constituted acquisition station series connection group; Described intersection station is connected in this acquisition station series connection group;
Described intersection station comprises: querying command generation unit, scalar/vector, address configuration record cell; Described querying command generation unit in order to the generated query order, and sends querying command to intersecting the two ends, station; Described scalar/vector is in order to the calculated address configuration information; Described address configuration record cell is in order to write down the address configuration information that is generated;
Described acquisition station comprises: inquiry response unit and command channel state switch unit; Described inquiry response unit, the querying command in order to send at response intersection station generates and returns inquiry response information; Described command channel state switch unit is in order to switch the operating state of acquisition station command channel; The operating state of described acquisition station command channel comprises at least: declare to state, forwarding state and pass-through state; It is described that to declare to state be that the command channel of acquisition station and the direction of data channel all are in accepting state; Described forwarding state is that acquisition station is handled order, and determines whether to transmit to next acquisition station according to the type of order; Described pass-through state is that acquisition station is transmitted to next acquisition station when order is handled.
7. high-efficiency reliable acquisition station address allocation system as claimed in claim 6 is characterized in that, also comprises: data transformation interface, switch and server;
Described intersection also is provided with the address configuration information uploading unit in the station, in order to upload the address configuration information that is write down in the described address configuration record cell to server; Each intersects to stand and links to each other with a data translation interface respectively, carries out data transaction in order to data are uploaded at the intersection station; Intersection station in each acquisition station series connection group is connected with switch by coupled data transformation interface respectively; Server is collected the data that upload at each intersection station by switch.
8. high-efficiency reliable acquisition station address allocation system as claimed in claim 6 is characterized in that: described intersection station also is provided with automatic address inspection unit and initialization control command generation unit;
Whether described automatic address inspection unit in order to check the address configuration information that is write down in the described address configuration record cell, has the address and repeats or the address non-continuous event;
Described initialization control command generation unit in order to generating the initialization control command, and sends to the unusual acquisition station in address and its rear end acquisition station.
9. an acquisition station is characterized in that, comprising: inquiry response unit and command channel state switch unit; Described inquiry response unit, the querying command in order to send at response intersection station generates and returns inquiry response information; Described command channel state switch unit is in order to switch the operating state of acquisition station command channel; The operating state of described acquisition station command channel comprises at least: declare to state, forwarding state and pass-through state; It is described that to declare to state be that the command channel of acquisition station and the direction of data channel all are in accepting state; Described forwarding state is that acquisition station is handled order, and determines whether to transmit to next acquisition station according to the type of order; Described pass-through state is that acquisition station is transmitted to next acquisition station when order is handled.
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| CN103499833A (en) * | 2013-09-27 | 2014-01-08 | 中国石油集团东方地球物理勘探有限责任公司 | Wired seismic apparatus with built-in power supply and data transmission method |
| CN111147612A (en) * | 2019-12-02 | 2020-05-12 | 杭州顿力电器有限公司 | Fan group control address automatic allocation method based on position information |
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| CN201497813U (en) * | 2009-09-18 | 2010-06-02 | 中国石油天然气集团公司 | Distributed seismographic data hierarchy collecting system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499833A (en) * | 2013-09-27 | 2014-01-08 | 中国石油集团东方地球物理勘探有限责任公司 | Wired seismic apparatus with built-in power supply and data transmission method |
| CN103499833B (en) * | 2013-09-27 | 2016-08-17 | 中国石油集团东方地球物理勘探有限责任公司 | A kind of wired seismic instrument of built-in power and data transmission method |
| CN111147612A (en) * | 2019-12-02 | 2020-05-12 | 杭州顿力电器有限公司 | Fan group control address automatic allocation method based on position information |
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