CN103019957A - Power fault recording storage method and device - Google Patents
Power fault recording storage method and device Download PDFInfo
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- CN103019957A CN103019957A CN2012104472252A CN201210447225A CN103019957A CN 103019957 A CN103019957 A CN 103019957A CN 2012104472252 A CN2012104472252 A CN 2012104472252A CN 201210447225 A CN201210447225 A CN 201210447225A CN 103019957 A CN103019957 A CN 103019957A
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Abstract
The embodiment of the invention discloses a power fault recording storage method and device, which are applied in the field of power systems. The power fault recording storage method comprises the steps that a collection module collects interruption data and circularly records the interruption data into a buffer stack; a recording module reads waveband data in the buffer stack at the fixed time, records the waveband data into a waveform buffering, sends an inform signal when the waveform buffering is written fully, and saves the data in the waveform buffering into a buffering queue, and the waveband data includes unread interruption data; and a storage module reads the data in the buffering queue and stores the data into a storage space after receiving the inform signal. According to the embodiment of the power fault recording storage method and device, the data is prevented from being lost, and the real-time and stable purposes can be achieved.
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; electric network fault information comprehensive analysis system with functions such as can accurately carrying out data analysis after fault component diagnosis, the accident, the evaluation of protection action behavior; safe and reliable operation for electric system plays a very important role.
In the prior art; a kind of power failure record ripple memory storage that is called the electric system black box; can interrupt by gathering; voltage current waveform and the switching value record of electric system before and after breaking down got off; complete instantaneous variation after the fault and the action behavior of relay protection of reflecting is used for post analysis.
But because the data volume that power failure record ripple memory storage need to record is very large, carry out quick real time record at large storage space, cause easily losing of data, and the analysis in later stage is caused very large puzzlement.
Summary of the invention
The embodiment of the 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 the acquisition module collection, and described interruption datacycle is recorded in the buffer stack; Record mode piece regularly reads the wave band data in the described buffer stack, described wave band data is recorded in the waveform buffering, when described waveform buffer write is full, the signal of giving notice, and the data in the described waveform buffering are saved in the buffer queue, described wave band data is comprised of the interruption data that do not read; After memory module receives described notification signal, read the data in the described buffer queue, and be saved in the storage space.
A kind of power failure record ripple memory storage comprises: acquisition module, and be used for gathering and interrupt data, described interruption datacycle is recorded in the buffer stack; Record mode piece, be used for regularly reading the wave band data of described buffer stack, described wave band data is recorded in the waveform buffering, when described waveform buffer write is full, the signal of giving notice, and the data in the described waveform buffering are saved in the buffer queue, described wave band data is comprised of the interruption data that do not read; Memory module after being used for receiving described notification signal, reads the data in the described buffer queue, and is saved in the storage space.
In the technical scheme that the embodiment of the invention provides, with a large amount of interruption data fast cycle index in buffer stack, so that sampling module can record the interruption data fast, the record mode piece interruption data with new in the buffer stack regularly extract and are recorded in the waveform buffering, can guarantee that data do not lose, when treating that the waveform buffer write is full, be recorded in the buffer queue data in the waveform buffering and the signal of giving notice, the notice memory module is extracted the data that waveform cushions in buffer queue, plenty of time comes the data in the buffer queue are stored so that memory module has more, can avoid the direct quick storage of data is caused losing of data, the storing process stability and high efficiency to storage space.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is power failure record ripple storage means the first embodiment synoptic diagram in the embodiment of the invention;
Fig. 2 is power failure record ripple storage means the second embodiment synoptic diagram in the embodiment of the invention;
Fig. 3 is power failure record ripple memory storage embodiment synoptic diagram in the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The embodiment of the invention provides a kind of power failure record ripple storage means and device.The below is elaborated respectively.
See also Fig. 1, be power failure record ripple storage means the first embodiment synoptic diagram in the embodiment of the invention, comprising:
101, data are interrupted in the acquisition module collection, and described interruption datacycle is recorded in the buffer stack;
Data are interrupted in the acquisition module collection, described interruption data comprise data and the corresponding digital quantity state of each analog quantity channel of AD sampling module output, described analog quantity channel comprises voltage and current, described switching value data comprises the data of CPU corresponding I state, acquisition module will interrupt datacycle and be recorded in the buffer stack, described buffer stack has certain capacity, described acquisition module records buffer stack when complete, then cover the buffer stack data and continue record, will interrupt datacycle and be recorded in the buffer stack.
102, record mode piece regularly reads the wave band data in the described buffer stack, and described wave band data is recorded in the waveform buffering;
Record mode piece regularly reads the wave band data in the described buffer stack, described wave band data is recorded in the waveform buffering, described wave band data is comprised of the interruption data that do not read, record mode piece is before the interruption data that do not read are recycled the record covering, regularly read the wave band data in the buffer stack, because record mode piece directly reads a plurality of interruption data as wave band data, reading speed will significantly increase, can reduce the risk of loss of data, described waveform buffering can be preserved several wave band datas, and then several wave band datas will form complete Wave data.
103, when described waveform buffer write is full, the signal of giving notice, and the data in the described waveform buffering are saved in the buffer queue;
Record mode piece judges that the waveform buffer write is full, the signal of then giving notice, and the data in the described waveform buffering are saved in the buffer queue, the notice memory module that is used for described notification signal reads the data in the new waveform buffering that adds of buffer queue, when writing in the waveform buffering when full, several wave band datas in the waveform buffering will form Wave data, directly store into Wave data in the buffer queue, the speed that can accelerate to store, buffer queue can hold the data of several waveform bufferings, when buffer queue is write when full, new data will cover again record of former data, because buffer queue can hold the data of a plurality of waveform bufferings, and memory module can regularly read the new data in the buffer queue, can so that memory module has more plenty of time carry out the data storage, further prevent loss of data.
104, after memory module receives described notification signal, read the data in the described buffer queue, and be saved in the storage space.
After memory module receives described notification signal, read the data in the described buffer queue, and be saved in the storage space, memory module has very, and plenty of time carries out the data storage, if and memory module is in the interval of changing storage space, the data that do not read still can be kept in the buffer queue, and module to be stored reads when continuing operation, prevents loss of data.
In the present embodiment, with a large amount of interruption data fast cycle index in buffer stack, so that sampling module can record the interruption data fast, the record mode piece interruption data with new in the buffer stack regularly extract and are recorded in the waveform buffering, can guarantee that data do not lose, when treating that the waveform buffer write is full, be recorded in the buffer queue data in the waveform buffering and the signal of giving notice, the notice memory module is extracted the data that waveform cushions in buffer queue, plenty of time comes the data in the buffer queue are stored so that memory module has more, can avoid the direct quick storage of data is caused losing of data, the storing process stability and high efficiency to storage space.
See also Fig. 2, power failure record ripple storage means the second embodiment synoptic diagram in the embodiment of the invention comprises:
Data are interrupted in 201a, acquisition module collection;
Data are interrupted in the acquisition module collection, described interruption data comprise data and the corresponding digital quantity state of each analog quantity channel of AD sampling module output, 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 the stack, if then carry out 201c, otherwise carry out 201d;
Acquisition module judges whether the write pointer of buffer stack is positioned at the bottom of the 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 the 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 arranges back stack top at the bottom of being positioned at stack, otherwise write pointer moves backward, then can make acquisition module will interrupt datacycle is recorded in the buffer stack, concrete, if the value of write pointer equals the address at the bottom of the stack, judge that then write pointer is positioned at the bottom of the stack.
201c arranges write pointer and returns stack top;
The write pointer that acquisition module arranges buffer stack returns stack top, and is concrete, and 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, and is concrete, and the value of write pointer is added one.
201e, described interruption data are recorded to the position of the write pointer indication of buffer stack;
Acquisition module will interrupt in the position of the write pointer indication that data are recorded to buffer stack.
202, record mode piece regularly reads the wave band data in the described buffer stack, and described wave band data is recorded in the waveform buffering;
Record mode piece regularly reads the wave band data in the described buffer stack, described wave band data is recorded in the waveform buffering, described wave band data is comprised of read pointer to the interruption data between the write pointer, described record mode piece is after reading wave band data, acquisition module is arranged on read pointer the position of write pointer, therefore, described read pointer is the interruption data that do not read to the interruption data between the write pointer, record mode piece is before the interruption data that do not read are recycled the record covering, regularly read the wave band data in the buffer stack, the fixed time interval that described record mode piece reads wave band data fills up the used time of buffer stack less than interrupting data from stack top, can guarantee like this to record the mode piece and can before new interruption data are capped, read this interruption data, guaranteed the integrality of data, described waveform buffering can be preserved several wave band datas, when described waveform buffer write is full, data in the waveform buffering form Wave data, described record mode piece is saved in described Wave data in the buffer queue, and the length of described Wave data is the wavelength in five cycles;
203a, when described waveform buffer write is full, the signal of giving notice;
Record mode piece judges that the waveform buffer write is full, the signal of then giving notice, and when writing in the waveform buffering when full, the data in the waveform buffering form Wave data, and described notification signal is used for the notice memory module and reads data in the new waveform buffering that adds of buffer queue.
203b, judge whether the queue pointer of buffer queue is positioned at the bottom of buffer queue, if then carry out 203c, otherwise carry out 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, it is the position that Wave data is recorded to buffer queue, described buffer queue has a plurality of addresses, further, described buffer queue has 60 addresses, the storage space of each address is used for the data of a waveform buffering of record, i.e. Wave data is if queue pointer is positioned at the bottom of buffer queue, team then is set gets back to the top of buffer queue, otherwise queue pointer moves backward, concrete, if the value of queue pointer equals the address of buffer queue bottom, judge that then 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;
Record mode piece arranges the top that buffer queue is got back to by queue pointer, and concrete, the value of queue pointer is set to the address at buffer queue top.
203d, queue pointer move backward;
Record mode piece arranges queue pointer and moves backward a position, and is concrete, and the value of queue pointer is added one.
203e, wave recording data.
Record mode piece is with the data of waveform buffering, it is Wave data, be recorded in the position of queue pointer's indication, directly store into Wave data in the buffer queue, can accelerate data storage, buffer queue can hold a plurality of Wave datas, can guarantee that former data are extracted when new Wave data covers former data, further prevents loss of data.
204, after memory module receives described notification signal, read the data in the described buffer queue, and be saved in the storage space.
After memory module receives described notification signal, read the data in the described buffer queue, i.e. Wave data, and be saved in the storage space, further, described storage space is jumbo physical medium.
In the present embodiment, with a large amount of interruption data fast cycle index in buffer stack, so that sampling module can record the interruption data fast, the record mode piece interruption data with new in the buffer stack regularly extract and are recorded in the waveform buffering, can guarantee that data do not lose, when treating that the waveform buffer write is full, be recorded in the buffer queue data in the waveform buffering and the signal of giving notice, the notice memory module is extracted the data that waveform cushions in buffer queue, plenty of time comes the data in the buffer queue are stored so that memory module has more, can avoid the direct quick storage of data is caused losing of data, the storing process stability and high efficiency to storage space.
See also Fig. 3, be power failure record ripple memory storage embodiment synoptic diagram in the embodiment of the invention, comprising:
Acquisition module 31 is used for gathering and interrupts data, and described interruption datacycle is recorded in the buffer stack;
Record mode piece 32, be used for regularly reading the wave band data of described buffer stack, described wave band data is recorded in the waveform buffering, when described waveform buffer write is full, the signal of giving notice, and the data in the described waveform buffering are saved in the buffer queue, described wave band data is comprised of the interruption data that do not read;
Memory module 33 after being used for receiving described notification signal, reads the data in the described buffer queue, and is saved in the 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 the buffer stack, and described acquisition module is further used for: if write pointer arranges back stack top at the bottom of being positioned at stack, otherwise write pointer moves backward; Record interrupts data;
Described wave band data is comprised of read pointer to the interruption data between the write pointer, and described record mode piece is after reading wave band data, and acquisition module 31 is arranged on read pointer the position of write pointer;
The fixed time interval that described record mode piece 32 reads wave band data fills up the used time of buffer stack less than interrupting data from stack top.
Further, when described waveform buffer write was full, the data in the waveform buffering formed Wave data, and described record mode piece 32 is saved in described Wave data in the buffer queue, and the length of described Wave data is the wavelength in five cycles;
Described buffer queue can hold a plurality of Wave datas;
Memory module 33 reads the Wave data in the buffer queue, and is saved in storage space after being used for receiving described notification signal.
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 piece is further used for: if queue pointer is positioned at the bottom of buffer queue, the top of getting back to buffer queue then is set, otherwise queue pointer moves backward; The wave recording data.
Further, described interruption data comprise data and the corresponding digital quantity state of each analog quantity channel of AD sampling module output.
In the present embodiment, with a large amount of interruption data fast cycle index in buffer stack, so that sampling module can record the interruption data fast, the record mode piece interruption data with new in the buffer stack regularly extract and are recorded in the waveform buffering, can guarantee that data do not lose, when treating that the waveform buffer write is full, be recorded in the buffer queue data in the waveform buffering and the signal of giving notice, the notice memory module is extracted the data that waveform cushions in buffer queue, plenty of time comes the data in the buffer queue are stored so that memory module has more, can avoid the direct quick storage of data is caused losing of data, the storing process stability and high efficiency to storage space.
One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of above-described embodiment is to come the relevant hardware of instruction finish by program, this program can be stored in the computer-readable recording medium, and storage medium can comprise: ROM (read-only memory) (ROM), random-access memory (ram), disk or CD etc.
More than a kind of power failure record ripple storage means and device that the embodiment of the invention is provided be described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, 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 (10)
1. a power failure record ripple storage means is characterized in that, comprising:
Data are interrupted in the acquisition module collection, and described interruption datacycle is recorded in the buffer stack;
Record mode piece regularly reads the wave band data in the described buffer stack, described wave band data is recorded in the waveform buffering, when described waveform buffer write is full, the signal of giving notice, and the data in the described waveform buffering are saved in the buffer queue, described wave band data is comprised of the interruption data that do not read;
After memory module receives described notification signal, read the data in the described buffer queue, and be saved in the storage space.
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 the buffer stack, described described interruption datacycle is recorded in the buffer stack specifically comprises: if write pointer arranges back stack top at the bottom of being positioned at stack, otherwise write pointer moves backward; Described interruption data are recorded to the position of the write pointer indication of buffer stack;
Described wave band data is comprised of to the interruption data between the write pointer read pointer, and described method comprises that also described record mode piece is after reading wave band data, and acquisition module is arranged on read pointer the position of write pointer;
The fixed time interval that described record mode piece reads wave band data fills up the used time of buffer stack less than interrupting data from stack top.
3. method according to claim 2, it is characterized in that when described waveform buffer write was full, the data in the waveform buffering formed Wave data, described record mode piece is saved in described Wave data in the buffer queue, and the length of described Wave data is the wavelength in five cycles;
Described buffer queue can hold a plurality of Wave datas;
Memory module reads the Wave data in the buffer queue, and is saved in storage space after being used for receiving described notification signal.
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 band data is recorded to buffer queue, described data in the described waveform buffering are saved in the buffer queue specifically comprises: if queue pointer is positioned at the bottom of buffer queue, the top of getting back to buffer queue then is set, otherwise queue pointer moves backward; The wave recording data.
5. each described method in 4 according to claim 1 is characterized in that described interruption data comprise data and the corresponding digital quantity state of each analog quantity channel of AD sampling module output.
6. a power failure record ripple memory storage is characterized in that, comprising:
Acquisition module is used for gathering and interrupts data, and described interruption datacycle is recorded in the buffer stack;
Record mode piece, be used for regularly reading the wave band data of described buffer stack, described wave band data is recorded in the waveform buffering, when described waveform buffer write is full, the signal of giving notice, and the data in the described waveform buffering are saved in the buffer queue, described wave band data is comprised of the interruption data that do not read;
Memory module after being used for receiving described notification signal, reads the data in the described buffer queue, and is saved in the storage space.
7. device according to claim 6, 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 the buffer stack, described acquisition module is further used for: if write pointer arranges back stack top at the bottom of being positioned at stack, otherwise write pointer moves backward; Record interrupts data;
Described wave band data is comprised of read pointer to the interruption data between the write pointer, and described record mode piece is after reading wave band data, and acquisition module is arranged on read pointer the position of write pointer;
The fixed time interval that described record mode piece reads wave band data fills up the used time of buffer stack less than interrupting data from stack top.
8. device according to claim 7, it is characterized in that when described waveform buffer write was full, the data in the waveform buffering formed Wave data, described record mode piece is saved in described Wave data in the buffer queue, and the length of described Wave data is the wavelength in five cycles;
Described buffer queue can hold a plurality of Wave datas;
Memory module reads the Wave data in the buffer queue, and is saved in storage space after being used for receiving described notification signal.
9. device according to claim 8, it is characterized in that, 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 piece is further used for: if queue pointer is positioned at the bottom of buffer queue, the top of getting back to buffer queue then is set, otherwise queue pointer moves backward; The wave recording data.
10. each described device in 9 according to claim 6 is characterized in that described interruption data comprise data and the corresponding digital quantity state of each analog quantity channel of AD sampling module output.
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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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| CN105676023A (en) * | 2015-12-30 | 2016-06-15 | 华自科技股份有限公司 | Recording method and system of fault recording data |
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| 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 |
| CN109633331A (en) * | 2018-12-27 | 2019-04-16 | 中国南方电网有限责任公司 | A kind of date storage method and fault wave recording device |
| CN110751045A (en) * | 2019-09-19 | 2020-02-04 | 科华恒盛股份有限公司 | Fault recording method, system and terminal equipment |
| CN110988605A (en) * | 2019-12-31 | 2020-04-10 | 深圳友讯达科技股份有限公司 | Fault recording sampling system and sampling method |
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