CN103019957B - A kind of power failure record ripple storage means and device - Google Patents
A kind of power failure record ripple storage means and device Download PDFInfo
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Abstract
The embodiment of the invention discloses a kind of power failure record ripple storage means and device, be applied to field of power.A kind of power failure record ripple storage means, comprising: data are interrupted in acquisition module collection, are recorded in buffer stack by described interruption datacycle; The wave band data in described buffer stack is read in the timing of record mode block, described wave band data is recorded in waveform buffering, when described waveform buffer write is full, to give notice signal, and the data in described waveform buffering are saved in buffer queue, described wave band data is made up of the interruption data do not read; After memory module receives described notification signal, read the data in described buffer queue, and be saved in storage space.The embodiment of the present invention can prevent loss of data, in real time and stable.
Description
Technical field
The present invention relates to field of power, particularly a kind of power failure record ripple storage means and device.
Background technology
Along with electrical network scale expanding day; one has the power grid failure information comprehensive analytic system accurately can carrying out the function such as data analysis, protection act behavior evaluation after fault component diagnosis, accident; for the safe and reliable operation of electric system, play a very important role.
In prior art; a kind of power failure record ripple memory storage being called electric system black box; can interrupt by gathering; voltage current waveform before and after electric system being broken down and switching value record get off; the complete action behavior reflecting the instantaneous variation after fault and relay protection, for post analysis.
But because power failure record ripple memory storage needs the data volume of record very large, large storage space carries out quick real time record, easily causes the loss of data, and very large puzzlement is caused to the analysis in later stage.
Summary of the invention
The embodiment of the present invention provides and prevents loss of data, real-time and stable a kind of power failure record ripple storage means and device.
A kind of power failure record ripple storage means, comprising: data are interrupted in acquisition module collection, are recorded in buffer stack by described interruption datacycle; The wave band data in described buffer stack is read in the timing of record mode block, described wave band data is recorded in waveform buffering, when described waveform buffer write is full, to give notice signal, and the data in described waveform buffering are saved in buffer queue, described wave band data is made up of the interruption data do not read; After memory module receives described notification signal, read the data in described buffer queue, and be saved in storage space.
A kind of power failure record ripple memory storage, comprising: acquisition module, for gathering interruption data, being recorded in buffer stack by described interruption datacycle; Record mode block, the wave band data in described buffer stack is read for timing, described wave band data is recorded in waveform buffering, when described waveform buffer write is full, to give notice signal, and the data in described waveform buffering are saved in buffer queue, described wave band data is made up of the interruption data do not read; Memory module, after receiving described notification signal, reads the data in described buffer queue, and is saved in storage space.
In the technical scheme that the embodiment of the present invention provides, by a large amount of interruption data fast cycle index in buffer stack, make sampling module can record interruption data fast, record interruption data new in buffer stack being extracted and being recorded in waveform buffering of mode block timing, can ensure that data are not lost, when waveform buffer write is full, data in being cushioned by waveform to be recorded in buffer queue and signal of giving notice, the data of waveform buffering are extracted in notice memory module to buffer queue, memory module is made to have more plenty of time to store the data in buffer queue, the loss direct for data quick storage being caused data to storage space can be avoided, storing process stability and high efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is power failure record ripple storage means first embodiment schematic diagram in the embodiment of the present invention;
Fig. 2 is power failure record ripple storage means second embodiment schematic diagram in the embodiment of the present invention;
Fig. 3 is power failure record ripple memory storage embodiment schematic diagram in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of power failure to record ripple storage means and device.Be described in detail respectively below.
Refer to Fig. 1, be power failure record ripple storage means first embodiment schematic diagram in the embodiment of the present invention, comprise:
101, data are interrupted in acquisition module collection, are recorded in buffer stack by described interruption datacycle;
Data are interrupted in acquisition module collection, described interruption data comprise the data of each analog quantity channel and the digital quantity state of correspondence of the output of AD sampling module, described analog quantity channel comprises voltage and current, described switching value data comprises the data of CPU corresponding I state, interruption datacycle is recorded in buffer stack by acquisition module, described buffer stack has certain capacity, described acquisition module is by time complete for buffer stack record, then cover buffer stack data and continue record, interruption datacycle is recorded in buffer stack.
102, the wave band data in described buffer stack is read in the timing of record mode block, is recorded to by described wave band data in waveform buffering;
The wave band data in described buffer stack is read in the timing of record mode block, described wave band data is recorded in waveform buffering, described wave band data is made up of the interruption data do not read, record mode block is before the interruption data do not read are recycled record covering, the wave band data in buffer stack is read in timing, because multiple interruption data directly read as wave band data by record mode block, reading speed will significantly increase, the risk of loss of data can be reduced, described waveform buffering can preserve several wave band datas, then several wave band datas are by Wave data complete for composition.
103, when described waveform buffer write is full, signal of giving notice, and the data in described waveform buffering are saved in buffer queue;
Record mode block judges that waveform buffer write is full, then to give notice signal, and the data in described waveform buffering are saved in buffer queue, described notification signal is for notifying that memory module reads the data in the waveform buffering newly added in buffer queue, when writing full in waveform buffering, several wave band datas in waveform buffering will form Wave data, Wave data is directly stored in buffer queue, the speed stored can be accelerated, buffer queue can hold the data of several waveforms buffering, when buffer queue is write full, new data will cover former data record again, because buffer queue can hold the data of multiple waveform buffering, and memory module regularly can read the new data in buffer queue, can make memory module have more plenty of time to carry out data storage, prevent loss of data further.
104, after memory module receives described notification signal, read the data in described buffer queue, and be saved in storage space.
After memory module receives described notification signal, read the data in described buffer queue, and be saved in storage space, memory module has very plenty of time to carry out data storage, if and memory module is in the interval changing storage space, the data do not read still can be kept in buffer queue, read, prevent loss of data when module to be stored continues to run.
In the present embodiment, by a large amount of interruption data fast cycle index in buffer stack, make sampling module can record interruption data fast, record interruption data new in buffer stack being extracted and being recorded in waveform buffering of mode block timing, can ensure that data are not lost, when waveform buffer write is full, data in being cushioned by waveform to be recorded in buffer queue and signal of giving notice, the data of waveform buffering are extracted in notice memory module to buffer queue, memory module is made to have more plenty of time to store the data in buffer queue, the loss direct for data quick storage being caused data to storage space can be avoided, storing process stability and high efficiency.
Refer to Fig. 2, power failure record ripple storage means second embodiment schematic diagram in the embodiment of the present invention, comprising:
Data are interrupted in 201a, acquisition module collection;
Data are interrupted in acquisition module collection, described interruption data comprise the data of each analog quantity channel and the digital quantity state of correspondence of the output of AD sampling module, described analog quantity channel comprises voltage and current, and described switching value data comprises the data of CPU corresponding I state.
201b, acquisition module judge whether the write pointer of buffer stack is positioned at the bottom of stack, if so, then performs 201c, otherwise perform 201d;
Acquisition module judges whether the write pointer of buffer stack is positioned at the bottom of stack, buffer stack comprises read pointer and write pointer, described write pointer is used to indicate and interrupts data and be recorded to position in buffer stack, described buffer stack has some addresses, the storage space of each buffer stack address all can record one and interrupt data, if write pointer is positioned at the bottom of stack arrange back stack top, otherwise write pointer moves backward, acquisition module then can be made to be recorded in buffer stack by interruption datacycle, concrete, if the value of write pointer equals the address at the bottom of stack, then judge that write pointer is positioned at the bottom of stack.
201c, arranges write pointer and returns stack top;
The write pointer that acquisition module arranges buffer stack returns stack top, concrete, the value of write pointer is set to the address of stack top.
201d, write pointer move backward;
The write pointer that acquisition module arranges buffer stack moves a position backward, concrete, and the value of write pointer is added one.
The position that 201e, the write pointer described interruption data being recorded to buffer stack indicate;
Acquisition module is recorded to interrupting data in the position of write pointer instruction of buffer stack.
202, the wave band data in described buffer stack is read in the timing of record mode block, is recorded to by described wave band data in waveform buffering;
The wave band data in described buffer stack is read in the timing of record mode block, described wave band data is recorded in waveform buffering, described wave band data is made up of the interruption data between read pointer to write pointer, described record mode block is after reading wave band data, read pointer is arranged on the position of write pointer by acquisition module, therefore, interruption data between described read pointer to write pointer are the interruption data do not read, record mode block is before the interruption data do not read are recycled record covering, the wave band data in buffer stack is read in timing, the fixed time interval that described record mode block reads wave band data is less than interruption data is filled up the buffer stack time used from stack top, can ensure that record mode block can read this interruption data before new interruption data are capped like this, ensure that the integrality of data, described waveform buffering can preserve several wave band datas, when described waveform buffer write is full, data composition Wave data in waveform buffering, described Wave data is saved in buffer queue by described record mode block, the length of described Wave data is the wavelength in five cycles,
203a, when described waveform buffer write is full, signal of giving notice;
Record mode block judges that waveform buffer write is full, then signal of giving notice, and when writing full in waveform buffering, the data composition Wave data in waveform buffering, described notification signal is for notifying that memory module reads the data in the waveform buffering newly added in buffer queue.
203b, judge whether the queue pointer of buffer queue is positioned at the bottom of buffer queue, if then perform 203c, otherwise perform 203d;
Buffer queue is provided with queue pointer, the data that described queue pointer is used to indicate waveform buffering are recorded to the position of buffer queue, namely Wave data is recorded to the position of buffer queue, described buffer queue has multiple address, further, described buffer queue has 60 addresses, the storage space of each address is for recording the data of a waveform buffering, i.e. Wave data, if queue pointer is positioned at the bottom of buffer queue, , the top that buffer queue is got back to by team is then set, otherwise queue pointer moves backward, concrete, if the value of queue pointer equals the address bottom buffer queue, then judge that queue pointer is positioned at the bottom of buffer queue.
203c, then the top that buffer queue is got back to by queue pointer is set;
The top of buffer queue is got back to by Lu Bo module installation queue pointer, concrete, the value of queue pointer is set to the address at buffer queue top.
203d, queue pointer move backward;
Lu Bo module installation queue pointer moves a position backward, concrete, and the value of queue pointer is added one.
203e, wave recording data.
The data that waveform cushions by record mode block, i.e. Wave data, be recorded in the position of queue pointer's instruction, Wave data is directly stored in buffer queue, the storage of data can be accelerated, buffer queue can hold multiple Wave data, can ensure that former data are extracted when new Wave data covers former data, prevent loss of data further.
204, after memory module receives described notification signal, read the data in described buffer queue, and be saved in storage space.
After memory module receives described notification signal, read the data in described buffer queue, i.e. Wave data, and be saved in storage space, further, described storage space is jumbo physical medium.
In the present embodiment, by a large amount of interruption data fast cycle index in buffer stack, make sampling module can record interruption data fast, record interruption data new in buffer stack being extracted and being recorded in waveform buffering of mode block timing, can ensure that data are not lost, when waveform buffer write is full, data in being cushioned by waveform to be recorded in buffer queue and signal of giving notice, the data of waveform buffering are extracted in notice memory module to buffer queue, memory module is made to have more plenty of time to store the data in buffer queue, the loss direct for data quick storage being caused data to storage space can be avoided, storing process stability and high efficiency.
Refer to Fig. 3, be power failure record ripple memory storage embodiment schematic diagram in the embodiment of the present invention, comprise:
Acquisition module 31, for gathering interruption data, is recorded in buffer stack by described interruption datacycle;
Record mode block 32, the wave band data in described buffer stack is read for timing, described wave band data is recorded in waveform buffering, when described waveform buffer write is full, to give notice signal, and the data in described waveform buffering are saved in buffer queue, described wave band data is made up of the interruption data do not read;
Memory module 33, after receiving described notification signal, reads the data in described buffer queue, and is saved in storage space.
Described buffer stack comprises read pointer and write pointer, and described write pointer is used to indicate and interrupts data and be recorded to position in buffer stack, and described acquisition module is further used for: if write pointer is positioned at the bottom of stack arrange back stack top, otherwise write pointer moves backward; Record interrupts data;
Described wave band data is made up of the interruption data between read pointer to write pointer, and described record mode block is after reading wave band data, and read pointer is arranged on the position of write pointer by acquisition module 31;
The fixed time interval that described record mode block 32 reads wave band data be less than by interruption data fill up the buffer stack time used from stack top.
Further, when described waveform buffer write is full, the data composition Wave data in waveform buffering, described Wave data is saved in buffer queue by described record mode block 32, and the length of described Wave data is the wavelength in five cycles;
Described buffer queue can hold multiple Wave data;
Memory module 33, for after receiving described notification signal, reads the Wave data in buffer queue, and is saved in storage space.
Further, described buffer queue is provided with queue pointer, described queue pointer is used to indicate the position that wave band data is recorded to buffer queue, described record mode block is further used for: if queue pointer is positioned at the bottom of buffer queue, the top getting back to buffer queue is then set, otherwise queue pointer moves backward; Wave recording data.
Further, described interruption data comprise the data of each analog quantity channel and the digital quantity state of correspondence of AD sampling module output.
In the present embodiment, by a large amount of interruption data fast cycle index in buffer stack, make sampling module can record interruption data fast, record interruption data new in buffer stack being extracted and being recorded in waveform buffering of mode block timing, can ensure that data are not lost, when waveform buffer write is full, data in being cushioned by waveform to be recorded in buffer queue and signal of giving notice, the data of waveform buffering are extracted in notice memory module to buffer queue, memory module is made to have more plenty of time to store the data in buffer queue, the loss direct for data quick storage being caused data to storage space can be avoided, storing process stability and high efficiency.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is that the hardware that can carry out instruction relevant by program has come, this program can be stored in a computer-readable recording medium, and storage medium can comprise: ROM (read-only memory) (ROM), random-access memory (ram), disk or CD etc.
A kind of power failure provided the embodiment of the present invention above records ripple storage means and device is described in detail, apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (8)
1. a power failure record ripple storage means, is characterized in that, comprising:
Data are interrupted in acquisition module collection, are recorded in buffer stack by described interruption datacycle;
The wave band data in described buffer stack is read in the timing of record mode block, described wave band data is recorded in waveform buffering, when described waveform buffer write is full, to give notice signal, and the data in described waveform buffering are saved in buffer queue, described wave band data is made up of the interruption data do not read;
After memory module receives described notification signal, read the data in described buffer queue, and be saved in storage space;
Wherein, described interruption data comprise the data of each analog quantity channel and the digital quantity state of correspondence of AD sampling module output.
2. method according to claim 1, it is characterized in that, described buffer stack comprises read pointer and write pointer, described write pointer is used to indicate and interrupts data and be recorded to position in buffer stack, described described interruption datacycle being recorded in buffer stack specifically comprises: if write pointer is positioned at the bottom of stack arrange back stack top, otherwise write pointer moves backward; Described interruption data are recorded to the position of the write pointer instruction of buffer stack;
Described wave band data is made up of the interruption data between read pointer to write pointer, and described method also comprises, and described record mode block is after reading wave band data, and read pointer is arranged on the position of write pointer by acquisition module;
The fixed time interval that described record mode block reads wave band data is less than interruption data is filled up the buffer stack time used from stack top.
3. method according to claim 2, it is characterized in that, when described waveform buffer write is full, the data composition Wave data in waveform buffering, described Wave data is saved in buffer queue by described record mode block, and the length of described Wave data is the wavelength in five cycles;
Described buffer queue can hold multiple Wave data;
Memory module, for after receiving described notification signal, reads the Wave data in buffer queue, and is saved in storage space.
4. method according to claim 3, it is characterized in that, described buffer queue is provided with queue pointer, described queue pointer is used to indicate the position that Wave data is recorded to buffer queue, described data in described waveform buffering being saved in buffer queue specifically comprises: if queue pointer is positioned at the bottom of buffer queue, the top getting back to buffer queue is then set, otherwise queue pointer moves backward; Wave recording data.
5. a power failure record ripple memory storage, is characterized in that, comprising:
Acquisition module, for gathering interruption data, is recorded in buffer stack by described interruption datacycle;
Record mode block, the wave band data in described buffer stack is read for timing, described wave band data is recorded in waveform buffering, when described waveform buffer write is full, to give notice signal, and the data in described waveform buffering are saved in buffer queue, described wave band data is made up of the interruption data do not read;
Memory module, after receiving described notification signal, reads the data in described buffer queue, and is saved in storage space;
Wherein, described interruption data comprise the data of each analog quantity channel and the digital quantity state of correspondence of AD sampling module output.
6. device according to claim 5, it is characterized in that, described buffer stack comprises read pointer and write pointer, described write pointer is used to indicate and interrupts data and be recorded to position in buffer stack, described acquisition module is further used for: if write pointer is positioned at the bottom of stack arrange back stack top, otherwise write pointer moves backward; Record interrupts data;
Described wave band data is made up of the interruption data between read pointer to write pointer, and described record mode block is after reading wave band data, and read pointer is arranged on the position of write pointer by acquisition module;
The fixed time interval that described record mode block reads wave band data is less than interruption data is filled up the buffer stack time used from stack top.
7. device according to claim 6, it is characterized in that, when described waveform buffer write is full, the data composition Wave data in waveform buffering, described Wave data is saved in buffer queue by described record mode block, and the length of described Wave data is the wavelength in five cycles;
Described buffer queue can hold multiple Wave data;
Memory module, for after receiving described notification signal, reads the Wave data in buffer queue, and is saved in storage space.
8. device according to claim 7, it is characterized in that, described buffer queue is provided with queue pointer, described queue pointer is used to indicate the position that Wave data is recorded to buffer queue, described record mode block is further used for: if queue pointer is positioned at the bottom of buffer queue, the top getting back to buffer queue is then set, otherwise queue pointer moves backward; Wave recording data.
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| CN201210447225.2A CN103019957B (en) | 2012-11-09 | 2012-11-09 | A kind of power failure record ripple storage means and device |
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| KR101834814B1 (en) | 2014-10-20 | 2018-04-19 | 엘에스산전 주식회사 | Method for saving fault wave data |
| CN105911899B (en) * | 2015-09-28 | 2018-07-06 | 西门子制造工程中心有限公司 | Rail potential limits and waveform recording device and method |
| CN105676023B (en) * | 2015-12-30 | 2019-03-29 | 华自科技股份有限公司 | The recording method and system of fault recorder data |
| CN108872809A (en) * | 2018-06-20 | 2018-11-23 | 南京中大智能科技有限公司 | A kind of instrument for measuring partial discharge's high speed Wave record method |
| CN109633331B (en) * | 2018-12-27 | 2020-11-20 | 中国南方电网有限责任公司 | Data storage method and fault recording device |
| CN110751045B (en) * | 2019-09-19 | 2023-12-08 | 厦门科华数能科技有限公司 | Fault recording method, system and terminal equipment |
| CN110988605B (en) * | 2019-12-31 | 2023-03-21 | 深圳友讯达科技股份有限公司 | Fault recording sampling system and sampling method |
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