CN105243746A - Switching method for charge control modes of single-phase intelligent electric energy meter - Google Patents
Switching method for charge control modes of single-phase intelligent electric energy meter Download PDFInfo
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Abstract
Provided is a switching method for charge control modes of a single-phase intelligent electric energy meter. A local charge control mode and a remote charge control mode are triggered off to switch according to a remote encryption instruction or a switching time signal preset in the interior of the electric energy meter. A master control module is used for automatically controlling an I/O port to refresh and automatically turn on or off function module only in the charge control mode and then automatically switching display content of a display module. In addition, the master control module is used for automatically settling historical data, recording switching events and saving historical data and switching events by means of a storage module. Therefore, the local charge control mode and the remote charge control mode can be reliably and flexibly switched in order to satisfy needs of electric energy measurement and settlement.
Description
Technical field
The present invention relates to electric quantity metering technical field, be specifically related to a kind of expense control mode switching method of single-phase intelligent electric energy meter.
Background technology
Current existing single-phase intelligent electric energy meter only has single expense control pattern, i.e. remote bill control pattern or local charge control pattern.
Remote bill control pattern: based on the quantitative model of electric quantity type clearing, do not carry out the calculating of the electricity charge and deduct fees, only there is the metering of electricity, freeze and the functions such as clearing, carried out the clearing of the electricity charge by the data of settling accounts electricity in carrier wave, the regular reading power meters of mode such as 485 or infrared palm machine by the host computer of electricity-selling system, the remote command by the host computer of electricity-selling system realizes the operations such as the switching on of electric energy meter.
Local charge control pattern: based on the quantitative model of electricity charge type clearing, automatically operations such as can carrying out the calculating of the electricity charge, supplement with money, deduct fees, realize electricity-selling system sale of electricity, each electric energy meter measures charging respectively according to self electric quantity and deducts fees, and automatically carries out electricity charge early warning, arrearage is operated a switch, supplement the actions such as rear combined floodgate with money according to preset value; Possess ladder electric quantity metering function, each electric energy meter can realize respectively different ladder electricity, step price, the calculating of rate and clearing according to different preset values, is the power measuring terminal of independence and relative complex.
Along with the need for electricity of user, the sale of electricity pattern of electricity-selling system, the demands such as management of taking over of the electricity charge constantly change and fast development, single expense control pattern more and more has limitation, can not adapt to the demand of electric energy metrical and clearing well.
Summary of the invention
The technical problem to be solved in the present invention is: the expense control mode switching method providing a kind of single-phase intelligent electric energy meter, can realize local charge control pattern and remote bill control pattern reliably switches flexibly, makes to meet electric energy metrical and clearing demand preferably.
Technical solution of the present invention is: a kind of expense control mode switching method of single-phase intelligent electric energy meter, be applied in the expense Ore-controlling Role of single-phase intelligent electric energy meter, the expense Ore-controlling Role of described single-phase intelligent electric energy meter comprises the host computer of electricity-selling system, encryption equipment and single-phase intelligent electric energy meter, described encryption equipment and single-phase intelligent electric energy meter are all electrically connected with the host computer of electricity-selling system, described single-phase intelligent electric energy meter comprises main control module, deciphering module matching used with encryption equipment, computation chip module, memory module and display module, described deciphering module, computation chip module, memory module and display module are all electrically connected with main control module, it is characterized in that: it comprises the following steps:
(1) single-phase intelligent electric energy meter is waited for and is taken control mode switching signal, once single-phase intelligent electric energy meter receives expense control mode switching signal, then can automatically resolve expense control mode switching signal;
(2) if switching signal is local charge control pattern switch to remote bill control pattern, then by the main control module refreshing of control I/O port and the functional module that just has under automatically closing only local charge control pattern automatically of single-phase intelligent electric energy meter, and automatically carry out the switching of display module displaying contents, main control module is settled accounts the historical data under local charge control pattern automatically simultaneously, record is carried out to handover event, and by memory module, historical data and handover event is preserved;
(3) if switching signal is remote bill control pattern switch to local charge control pattern, then by the main control module refreshing of control I/O port and the functional module that just has under automatically opening only local charge control pattern automatically of single-phase intelligent electric energy meter, and automatically carry out the switching of display module displaying contents, main control module is settled accounts the historical data under remote bill control pattern automatically simultaneously, record is carried out to handover event, and by memory module, historical data and handover event is preserved.
After adopting said method, the present invention has the following advantages:
The present invention is according to taking control mode switching signal, realize freely switching of local charge control pattern and remote bill control pattern, by the main control module refreshing of control I/O port and the functional module that just has under automatically opening or close only local charge control pattern automatically, both can avoid judging by accident under remote bill control pattern, the functional requirement under local charge control pattern can be met again, correct display is realized by the switching of display module displaying contents, shared by historical data under the preservation of historical data being realized to two kinds of expense control patterns, by realizing the record of handover event differently taking rate pattern under control pattern, Freight Basis etc. are independent, therefore present invention achieves the reliable switching flexibly of single-phase intelligent electric energy meter between local charge control pattern and remote bill control pattern, electric energy metrical and clearing demand can be met preferably.
As preferably, the handover event in step (2) and step (3) comprises switching time, switching person and current expense control pattern.The electricity charge difference that this setting can avoid the clearing standard of different quantitative model difference to bring, also provides the inquiry of the use information of ammeter.
As preferably, control mode switching signal is taken by remote encryption instruction triggers in step (1), described remote encryption instruction sends out by the host computer of electricity-selling system the instruction sending instruction to be formed through encryption equipment encryption, described sending out send instruction to comprise table number and operation information, described single-phase intelligent electric energy meter is provided with 485 communication modules, described 485 communication modules are connected with main control module, remote encryption instruction is sent to single-phase intelligent electric energy meter by 485 communication modules by the host computer of described electricity-selling system, described single-phase intelligent electric energy meter realizes the deciphering of remote encryption instruction by deciphering module, judge that whether the table number in the instruction after deciphering is consistent with the table number of single-phase intelligent electric energy meter internal reservoir, if not, then do not carry out any operation, if, then continue to judge that operation information is local charge control pattern or remote bill control pattern, again combine switch before take control pattern, obtaining switching signal is that local charge control pattern switches to remote bill control pattern or remote bill control pattern switches to local charge control pattern.Adopt remote encryption instruction can realize the long-range switching of expense control pattern safely and reliably.
As preferably, the control mode switching signal that takes in step (1) was triggered by the switching time of presetting in single-phase intelligent electric energy meter, described default switching time is arranged single-phase intelligent electric energy meter by the host computer of electricity-selling system, the switching time of presetting is arrived once the timing in single-phase intelligent electric energy meter, single-phase intelligent electric energy meter will according to switch before take control pattern, obtaining switching signal is that local charge control pattern switches to remote bill control pattern or remote bill control pattern switches to local charge control pattern.Adopt signal switching time preset to carry out the switching of expense control pattern, multiple default time can be set, arrange successfully and just can automatically switch, very convenient.
As preferably, the historical data in step (2) under local charge control pattern comprises history electricity, power purchase number of times and remaining sum under local mode.History electricity, power purchase number of times and remaining sum are the important information under local charge control pattern, can share under remote bill control pattern.
As preferably, the historical data under step (3) medium-long range expense control pattern comprises the history electricity under remote bill control pattern.History electricity is the important information under remote bill control pattern, can share under local charge control pattern.
As preferably, described memory module is non-volatile memory module, before in step (2) and step (3), the master control module controls I/O port of single-phase intelligent electric energy meter refreshes, main control module is by computation chip module automatic acquisition current electric quantity, according to the automatic calculation check code of current electric quantity, and by current electric quantity and check code automatically stored in nonvolatile memory, after master control module controls I/O port refreshes, again automatically read current electric quantity, and according to the automatic calculation check code of current electric quantity, check code in the check code calculated and nonvolatile memory is compared, if both are consistent, then represent that metering is normal, if both are inconsistent, then from nonvolatile memory, recover current electric quantity and check code, the main control module of described single-phase intelligent electric energy meter is also upgraded current electric quantity automatically by computation chip module, and automatically current electric quantity is stored by non-volatile memory module.This setting can ensure to switch rear measurement loop and normally to work and electric quantity data is not lost.
As preferably, the functional module only just had under local charge control pattern in step (2) and step (3) comprises the card seeking measuring ability module of radio-frequency card or CPU card, the detection of power cost calculating function module, power purchase writing function module, abnormal plug-in card and writing function module, step price functional module, rate electricity price functional module and year ladder settlement function module.Above functional module only just has under local charge control pattern, needs to close under remote bill control pattern.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the expense Ore-controlling Role of single-phase intelligent electric energy meter of the present invention;
Fig. 2 is that the present invention adopts remote encryption instruction triggers to take the method flow diagram of control pattern switching;
Fig. 3 is that the present invention adopts the method flow diagram triggering expense control pattern the switching time of presetting in electric energy meter and switch;
In figure: the host computer of 1-electricity-selling system, 2-encryption equipment, 3-single-phase intelligent electric energy meter, 4-main control module, 5-deciphering module, 6-computation chip module, 7-storage module, 8-display module, 9-485 communication module.
Embodiment
Below in conjunction with accompanying drawing, and the present invention is described further in conjunction with the embodiments.
Embodiment:
As Fig. 1, Fig. 2, shown in Fig. 3, a kind of single-phase intelligent electric energy meter take control mode switching method, be applied in the expense Ore-controlling Role of single-phase intelligent electric energy meter, the expense Ore-controlling Role of described single-phase intelligent electric energy meter comprises the host computer 1 of electricity-selling system, encryption equipment 2 and single-phase intelligent electric energy meter 3, described encryption equipment 2 and single-phase intelligent electric energy meter 3 are all electrically connected with the host computer 1 of electricity-selling system, described single-phase intelligent electric energy meter 3 comprises main control module 4, deciphering module 5 matching used with encryption equipment 2, computation chip module 6, memory module 7 and display module 8, described deciphering module 5, computation chip module 6, memory module 7 and display module 8 are all electrically connected with main control module 4, it is characterized in that: it comprises the following steps:
(1) single-phase intelligent electric energy meter 3 is waited for and is taken control mode switching signal, once single-phase intelligent electric energy meter 3 receives expense control mode switching signal, then can automatically resolve expense control mode switching signal;
(2) if switching signal is local charge control pattern switch to remote bill control pattern, then by the main control module 4 automatically refreshing of control I/O port and the functional module that just has under automatically closing only local charge control pattern of single-phase intelligent electric energy meter 3, and automatically carry out the switching of display module 8 displaying contents, main control module 4 is settled accounts the historical data under local charge control pattern automatically simultaneously, record is carried out to handover event, and is preserved by memory module 7 pairs of historical datas and handover event;
(3) if switching signal is remote bill control pattern switch to local charge control pattern, then by the main control module 4 automatically refreshing of control I/O port and the functional module that just has under automatically opening only local charge control pattern of single-phase intelligent electric energy meter 3, and automatically carry out the switching of display module 8 displaying contents, main control module 4 is settled accounts the historical data under remote bill control pattern automatically simultaneously, record is carried out to handover event, and is preserved by memory module 7 pairs of historical datas and handover event.
The present invention is according to taking control mode switching signal, realize freely switching of local charge control pattern and remote bill control pattern, by the main control module 4 automatically refreshing of control I/O port and the functional module that just has under automatically opening or close only local charge control pattern, both can avoid judging by accident under remote bill control pattern, the functional requirement under local charge control pattern can be met again, correct display is realized by the switching of display module 8 displaying contents, shared by historical data under the preservation of historical data being realized to two kinds of expense control patterns, by realizing the record of handover event differently taking rate pattern under control pattern, Freight Basis etc. are independent, therefore present invention achieves the reliable switching flexibly of single-phase intelligent electric energy meter 3 between local charge control pattern and remote bill control pattern, electric energy metrical and clearing demand can be met preferably.
As preferably, the handover event in step (2) and step (3) comprises switching time, switching person and current expense control pattern.The electricity charge difference that this setting can avoid the clearing standard of different quantitative model difference to bring, also provides the inquiry of the use information of ammeter.
As preferably, control mode switching signal is taken by remote encryption instruction triggers in step (1), described remote encryption instruction sends out by the host computer 1 of electricity-selling system the instruction sending instruction to be formed through encryption equipment 2 encryption, described sending out send instruction to comprise table number and operation information, described single-phase intelligent electric energy meter 3 is provided with 485 communication modules 9, described 485 communication modules 9 are connected with main control module 4, remote encryption instruction is sent to single-phase intelligent electric energy meter 3 by 485 communication modules 9 by the host computer 1 of described electricity-selling system, described single-phase intelligent electric energy meter 3 realizes the deciphering of remote encryption instruction by deciphering module 5, judge that whether the table number in the instruction after deciphering is consistent with the table number of single-phase intelligent electric energy meter 3 internal reservoir, if not, then do not carry out any operation, if, then continue to judge that operation information is local charge control pattern or remote bill control pattern, again combine switch before take control pattern, obtaining switching signal is that local charge control pattern switches to remote bill control pattern or remote bill control pattern switches to local charge control pattern, described encryption equipment 2 and deciphering module 5 are supporting product, ESAM safety encipher authentication module can be adopted.Adopt remote encryption instruction can realize the long-range switching of expense control pattern safely and reliably.
As preferably, the control mode switching signal that takes in step (1) was triggered by the switching time of presetting in single-phase intelligent electric energy meter 3, described default switching time is arranged by host computer 1 pair of single-phase intelligent electric energy meter 3 of electricity-selling system, the switching time of presetting of host computer 1 pair of single-phase intelligent electric energy meter 3 of electricity-selling system is set to prior art, the switching time of presetting is arrived once the timing in single-phase intelligent electric energy meter 3, single-phase intelligent electric energy meter 3 will according to switch before take control pattern, obtaining switching signal is that local charge control pattern switches to remote bill control pattern or remote bill control pattern switches to local charge control pattern.Adopt signal switching time preset to carry out the switching of expense control pattern, multiple default time can be set, arrange successfully and just can automatically switch, very convenient.
As preferably, the historical data in step (2) under local charge control pattern comprises history electricity, power purchase number of times and remaining sum under local mode.History electricity, power purchase number of times and remaining sum are the important information under local charge control pattern, can share under remote bill control pattern.
As preferably, the historical data under step (3) medium-long range expense control pattern comprises the history electricity under remote bill control pattern.History electricity is the important information under remote bill control pattern, can share under local charge control pattern.
As preferably, described memory module 7 is non-volatile memory module, before in step (2) and step (3), the main control module 4 control I/O port of single-phase intelligent electric energy meter 3 refreshes, main control module 4 is by computation chip module 6 automatic acquisition current electric quantity, according to the automatic calculation check code of current electric quantity, and by current electric quantity and check code automatically stored in nonvolatile memory, after main control module 4 control I/O port refreshes, again automatically read current electric quantity, and according to the automatic calculation check code of current electric quantity, check code can adopt School Affairs or CRC algorithm to calculate, check code in the check code calculated and nonvolatile memory is compared, if both are consistent, then represent that metering is normal, if both are inconsistent, then from nonvolatile memory, recover current electric quantity and check code, the main control module 4 of described single-phase intelligent electric energy meter 3 is also upgraded current electric quantity automatically by computation chip module 6, electricity is updated to prior art, and automatically current electric quantity is stored by non-volatile memory module.This setting can ensure to switch rear measurement loop and normally to work and electric quantity data is not lost.
As preferably, the functional module only just had under local charge control pattern in step (2) and step (3) comprises the card seeking measuring ability module of radio-frequency card or CPU card, the detection of power cost calculating function module, power purchase writing function module, abnormal plug-in card and writing function module, step price functional module, rate electricity price functional module and year ladder settlement function module.Above functional module is prior art, and only just has under local charge control pattern, needs to close under remote bill control pattern.
Claims (8)
1. a single-phase intelligent electric energy meter take control mode switching method, be applied in the expense Ore-controlling Role of single-phase intelligent electric energy meter, the expense Ore-controlling Role of described single-phase intelligent electric energy meter comprises the host computer (1) of electricity-selling system, encryption equipment (2) and single-phase intelligent electric energy meter (3), described encryption equipment (2) and single-phase intelligent electric energy meter (3) are all electrically connected with the host computer (1) of electricity-selling system, described single-phase intelligent electric energy meter (3) comprises main control module (4), with encryption equipment (2) matching used deciphering module (5), computation chip module (6), memory module (7) and display module (8), described deciphering module (5), computation chip module (6), memory module (7) and display module (8) are all electrically connected with main control module (4), it is characterized in that: it comprises the following steps:
(1) single-phase intelligent electric energy meter (3) is waited for and is taken control mode switching signal, once single-phase intelligent electric energy meter (3) receives expense control mode switching signal, then can automatically resolve expense control mode switching signal;
(2) if switching signal is local charge control pattern switch to remote bill control pattern, then by main control module (4) the automatically refreshing of control I/O port and the functional module that just has under automatically closing only local charge control pattern of single-phase intelligent electric energy meter (3), and automatically carry out the switching of display module (8) displaying contents, main control module (4) is settled accounts the historical data under local charge control pattern automatically simultaneously, record is carried out to handover event, and by memory module (7), historical data and handover event is preserved;
(3) if switching signal is remote bill control pattern switch to local charge control pattern, then by main control module (4) the automatically refreshing of control I/O port and the functional module that just has under automatically opening only local charge control pattern of single-phase intelligent electric energy meter (3), and automatically carry out the switching of display module (8) displaying contents, main control module (4) is settled accounts the historical data under remote bill control pattern automatically simultaneously, record is carried out to handover event, and by memory module (7), historical data and handover event is preserved.
2. a kind of single-phase intelligent electric energy meter according to claim 1 take control mode switching method, it is characterized in that: the handover event in step (2) and step (3) comprises switching time, switching person and current expense control pattern.
3. a kind of single-phase intelligent electric energy meter according to claim 2 take control mode switching method, it is characterized in that: the expense control mode switching signal in step (1) is by remote encryption instruction triggers, described remote encryption instruction sends out by the host computer of electricity-selling system (1) instruction sending instruction to be formed through encryption equipment (2) encryption, described sending out send instruction to comprise table number and operation information, described single-phase intelligent electric energy meter (3) is provided with 485 communication modules (9), described 485 communication modules (9) are connected with main control module (4), remote encryption instruction is sent to single-phase intelligent electric energy meter (3) by 485 communication modules (9) by the host computer (1) of described electricity-selling system, described single-phase intelligent electric energy meter (3) realizes the deciphering of remote encryption instruction by deciphering module (5), judge that whether the table number in the instruction after deciphering is consistent with the table number of single-phase intelligent electric energy meter (3) internal reservoir, if not, then do not carry out any operation, if, then continue to judge that operation information is local charge control pattern or remote bill control pattern, again combine switch before take control pattern, obtaining switching signal is that local charge control pattern switches to remote bill control pattern or remote bill control pattern switches to local charge control pattern.
4. a kind of single-phase intelligent electric energy meter according to claim 2 take control mode switching method, it is characterized in that: the expense control mode switching signal in step (1) was triggered by the switching time of presetting in single-phase intelligent electric energy meter (3), described default switching time is arranged single-phase intelligent electric energy meter (3) by the host computer (1) of electricity-selling system, the switching time of presetting is arrived once the timing in single-phase intelligent electric energy meter (3), single-phase intelligent electric energy meter (3) will according to switch before take control pattern, obtaining switching signal is that local charge control pattern switches to remote bill control pattern or remote bill control pattern switches to local charge control pattern.
5. a kind of single-phase intelligent electric energy meter according to claim 1 take control mode switching method, it is characterized in that: the historical data in step (2) under local charge control pattern comprises history electricity, power purchase number of times and remaining sum under local mode.
6. a kind of single-phase intelligent electric energy meter according to claim 1 take control mode switching method, it is characterized in that: the historical data under step (3) medium-long range expense control pattern comprises the history electricity under remote bill control pattern.
7. a kind of single-phase intelligent electric energy meter according to claim 1 take control mode switching method, it is characterized in that: described memory module (7) is non-volatile memory module, before in step (2) and step (3), main control module (4) the control I/O port of single-phase intelligent electric energy meter (3) refreshes, main control module (4) is by computation chip module (6) automatic acquisition current electric quantity, according to the automatic calculation check code of current electric quantity, and by current electric quantity and check code automatically stored in nonvolatile memory, after main control module (4) control I/O port refreshes, again automatically read current electric quantity, and according to the automatic calculation check code of current electric quantity, check code in the check code calculated and nonvolatile memory is compared, if both are consistent, then represent that metering is normal, if both are inconsistent, then from nonvolatile memory, recover current electric quantity and check code, the main control module (4) of described single-phase intelligent electric energy meter (3) is also upgraded current electric quantity automatically by computation chip module (6), and automatically current electric quantity is stored by non-volatile memory module.
8. a kind of single-phase intelligent electric energy meter according to claim 1 take control mode switching method, it is characterized in that: the functional module only just had under local charge control pattern in step (2) and step (3) comprises the card seeking measuring ability module of radio-frequency card or CPU card, the detection of power cost calculating function module, power purchase writing function module, abnormal plug-in card and writing function module, step price functional module, rate electricity price functional module and year ladder settlement function module.
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| CN106199497A (en) * | 2016-09-22 | 2016-12-07 | 南方电网科学研究院有限责任公司 | Take expense control settlement function method of testing and the system of control electric energy meter |
| CN106569028A (en) * | 2016-10-17 | 2017-04-19 | 国家电网公司 | Synchronous electric quantity processing method and system of double-core intelligent electric energy meter |
| CN106683281A (en) * | 2016-12-28 | 2017-05-17 | 宁波三星医疗电气股份有限公司 | Intelligent electric meter switchable in function and usage method thereof |
| CN107340493A (en) * | 2017-06-22 | 2017-11-10 | 南方电网科学研究院有限责任公司 | Take the mode switch function method of testing and system of control electric energy meter |
| CN106097588B (en) * | 2016-06-15 | 2018-11-02 | 无锡市恒通电器有限公司 | A kind of single-phase cost-control intelligent ammeter |
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| CN106097588B (en) * | 2016-06-15 | 2018-11-02 | 无锡市恒通电器有限公司 | A kind of single-phase cost-control intelligent ammeter |
| CN106054115B (en) * | 2016-08-05 | 2019-01-15 | 中国南方电网有限责任公司电网技术研究中心 | Take the safety certification function test method and system of control electric energy meter |
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| CN106569028A (en) * | 2016-10-17 | 2017-04-19 | 国家电网公司 | Synchronous electric quantity processing method and system of double-core intelligent electric energy meter |
| CN106683281A (en) * | 2016-12-28 | 2017-05-17 | 宁波三星医疗电气股份有限公司 | Intelligent electric meter switchable in function and usage method thereof |
| CN107340493A (en) * | 2017-06-22 | 2017-11-10 | 南方电网科学研究院有限责任公司 | Take the mode switch function method of testing and system of control electric energy meter |
| CN107340493B (en) * | 2017-06-22 | 2019-11-08 | 南方电网科学研究院有限责任公司 | Take the mode switch function test method and system of control electric energy meter |
| CN109509306A (en) * | 2018-09-30 | 2019-03-22 | 宁波三星智能电气有限公司 | A method of it calculating pre-paying kilowatt-hour meter residue and uses number of days |
| CN110505230A (en) * | 2019-08-26 | 2019-11-26 | 江苏方天电力技术有限公司 | A kind of cipher machine connection control method and system for electric energy meter detection |
| CN110763890A (en) * | 2019-09-29 | 2020-02-07 | 许昌许继软件技术有限公司 | Metering device |
| CN113140075A (en) * | 2021-04-25 | 2021-07-20 | 浙江正泰仪器仪表有限责任公司 | Smart meter upgrading method and device and smart meter |
| CN113140075B (en) * | 2021-04-25 | 2023-02-14 | 浙江正泰仪器仪表有限责任公司 | Smart meter upgrading method and device and smart meter |
| CN114038123A (en) * | 2021-10-14 | 2022-02-11 | 北京市燃气集团有限责任公司 | Method and device for switching charge control modes of non-civil intelligent gas meter |
| CN114640510A (en) * | 2022-03-02 | 2022-06-17 | 宁波三星医疗电气股份有限公司 | Method for communication by adopting separated encryption servers |
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