CN107589369A - A kind of intelligent monitoring protection device for preventing breaker from malfunctioning - Google Patents
A kind of intelligent monitoring protection device for preventing breaker from malfunctioning Download PDFInfo
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- CN107589369A CN107589369A CN201710786752.9A CN201710786752A CN107589369A CN 107589369 A CN107589369 A CN 107589369A CN 201710786752 A CN201710786752 A CN 201710786752A CN 107589369 A CN107589369 A CN 107589369A
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- chip microcomputer
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- intelligent monitoring
- monitoring protection
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Abstract
The present invention relates to State-Inspect of High-Voltage Circuit technical field, in particular a kind of intelligent monitoring protection device for preventing breaker from malfunctioning, including DSP microprocessors, single-chip microcomputer I, single-chip microcomputer II and power module, the single-chip microcomputer II respectively with DSP microprocessors, the two-way communication link of single-chip microcomputer II, and it is connected with communication module, the DSP microprocessors are connected with A/D modular converters, CPLD and timer, the CPLD is connected with light-coupled isolation module I, CCD modules, the single-chip microcomputer I is connected with solid-state relay by light-coupled isolation module II, the single-chip microcomputer II is connected with communication module and LCD display module, the power module connects one end connection DSP microprocessors, single-chip microcomputer I, single-chip microcomputer II, other end link voltage transformer.The present invention, have the characteristics that anti-electromagnetic interference capability is strong, processing speed is fast, and efficiency high flexible with Surveillance center's communication mode.
Description
Technical field
The present invention relates to State-Inspect of High-Voltage Circuit technical field, specially a kind of intelligent monitoring for preventing breaker from malfunctioning
Protection device.
Background technology
Primary cut-out has in power system controls and protect dual-use function, is overhauled in power system primary equipment
One of maximum equipment in maintenance work.According to the statistics of State Grid Corporation of China, the mechanical breakdown of primary cut-out (including
Operating mechanism and control loop) the 70%~80% of whole failures are accounted for, other arc extinguishings, insulation fault occupy less ratio, hair
Hot stall ratio is lower.Therefore mechanical breakdown is generally included operating mechanism and control loop failure is placed on primary cut-out monitoring
Middle center-stage.In the prior art, the monitoring to primary cut-out is especially in transformer station, these forceful electric power magnet rings of power plant
Under border, the antijamming capability of monitoring device is low, and plant failure processing speed is slow and controls main website communication efficiency also Shortcomings.
The content of the invention
It is above-mentioned to solve it is an object of the invention to provide a kind of intelligent monitoring protection device for preventing breaker from malfunctioning
The problem of being proposed in background technology.The intelligent monitoring protection device for preventing that breaker from malfunctioning has anti-electromagnetic interference capability
By force, processing speed is fast, communication mode is flexible and the features such as efficiency high.
To achieve the above object, the present invention provides following technical scheme：
A kind of intelligent monitoring protection device for preventing breaker from malfunctioning, including DSP microprocessors, single-chip microcomputer I, single-chip microcomputer
II and power module, the single-chip microcomputer II with DSP microprocessors, the two-way communication link of single-chip microcomputer II, and is connected with logical respectively
Believe module, the DSP microprocessors are connected with A/D modular converters, CPLD and timer, and the CPLD is connected with light-coupled isolation
Module I, CCD modules, the single-chip microcomputer I are connected with solid-state relay by light-coupled isolation module II, and the single-chip microcomputer II connects
There are communication module and LCD display module, the power module connects one end connection DSP microprocessors, single-chip microcomputer I, single-chip microcomputer II,
Other end link voltage transformer.
Preferably, in addition to respectively the memory module that is connected with the single-chip microcomputer I, single-chip microcomputer II and with DSP microprocessors
The input module and crystal oscillator of device connection, the memory module are made up of RAM memory modules and FLASH memory modules.
Preferably, the A/D modular converters are connected with current divider by multichannel analog amount input interface.
Preferably, the communication module is made up of wireless communication module and RS-232/RS-485 translation interfaces.
Preferably, the wireless communication module includes Wi-Fi module, bluetooth module, ZigBee module and gsm module.
Preferably, the CCD modules are connected by CCD processing modules with CPLD.
Preferably, the DSP microprocessors use ARM7TDMI-S process chips, and the single-chip microcomputer I, single-chip microcomputer II are adopted
With TMS320F2812 process chips.
Preferably, the CPLD uses XC95144XL chips, and the timer uses MAX706 chips.
Compared with prior art, the beneficial effects of the invention are as follows：There is Large Copacity, complicated algorithm with DSP microprocessors
Disposal ability is quickly handled power network signal, and single-chip microcomputer I and the existing anti-electromagnetic interference capability well of single-chip microcomputer II are again
There is preferable aid in treatment ability, alleviate the burden of DSP microprocessor works, substantially increase device processing speed and to disconnected
Actual monitored (control) ability of road device, at the same communication module make device and Surveillance center keep flexible communication mode and compared with
Fast and stable traffic rate.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 1, the present invention provides a kind of technical scheme：
A kind of intelligent monitoring protection device for preventing breaker from malfunctioning, including DSP microprocessors, single-chip microcomputer I, single-chip microcomputer
II and power module, the single-chip microcomputer II with DSP microprocessors, the two-way communication link of single-chip microcomputer II, and is connected with logical respectively
Believe module, the DSP microprocessors use ARM7TDMI-S process chips, and the ARM7TDMI-S process chips are 32 micro- places
Device is managed, there is high-performance and the characteristic of low-power consumption, cost performance is higher, embedded OS, it is possible to achieve very high finger
Make handling capacity and real-time interrupt respond, and complete analog acquisition, data processing, algorithm realization, temperature acquisition, the monolithic
Machine I, single-chip microcomputer II use TMS320F2812 process chips, the TMS320F2812 process chips realize to communication module,
LCD display module, timer, A/D modular converters input module and CPLD (hardware) quick control ability, while can be right
DSP microprocessor works carry out aid in treatment, have preferable anti-electromagnetic interference capability, alleviate DSP microprocessor works
Burden, according to setting, electric signal enters DSP microprocessors, single-chip microcomputer I, single-chip microcomputer II electric signal is moved into it carry out it is auxiliary
Processing is helped, the DSP microprocessors are connected with A/D modular converters, CPLD and timer, and the A/D modular converters pass through more
Tunnels analogy amount input interface is connected with current divider, and (iron aluminum is that iron core wraps up sieve to the current divider connection current sensor
Family name's coil avoids magnetic saturation), temperature sensor, RC divider (RC network partial pressure pattern) be used for sample major loop electric signal,
The multichannel analog amount input interface makes DSP microprocessors read in every road analog quantity, institute successively by the way of time-sharing multiplex
16 tunnel 12 A/D modular converter of the A/D modular converters using the built-in connection of DSP microprocessors is stated, the module has sampling in itself
Holding circuit and the scope of input voltage is required to meet DSP microprocessor 0~3.3V operating voltage ranges, by current divider from master
The electric signal of loop collection is sent into DSP microprocessor calculation process, and the communication module is by wireless communication module and RS-232/
RS-485 translation interfaces form, and the wireless communication module includes Wi-Fi module, bluetooth module, ZigBee module and GSM moulds
Block, the Wi-Fi module, bluetooth module, ZigBee module be respectively adopted LSD4WF-2MD05107, LSD4BT-DA1MLSP0,
TICC2530, respectively in 50 meters of medium and long distances, the short distance of 10 meters of scopes and 6 kilometers of remote realization devices and Surveillance center
(industrial computer or Special industrial computer such as TMSIS-4000/PC/RK/HF) carries out wireless communication, and the gsm module uses
GTM900-B carries out being wirelessly transferred for overlength distance, the RS-232/RS-485 translation interfaces and Surveillance center's CAN mode
Communicated, take DSP microprocessor resources without extra, keep preferable communication speed and stability, pass through wireless+CAN
The parameters such as the electric signal of breaker state itself and acquisition process are real-time transmitted to Surveillance center by the mode of bus (wired), right
Breaker is monitored and controlled to make corresponding measure in time, and the CPLD is connected with light-coupled isolation module I, CCD modules, institute
State CCD modules to be connected with CPLD by CCD processing modules, the CPLD uses XC95144XL chips, and the timer uses
MAX706 chips, the single-chip microcomputer I are connected with solid-state relay by light-coupled isolation module II, and the single-chip microcomputer II is connected with logical
Believe module and LCD display module, the power module connects one end connection DSP microprocessors, single-chip microcomputer I, single-chip microcomputer II, another
Terminate line voltage transformer, in addition to the memory module that is connected respectively with the single-chip microcomputer I, single-chip microcomputer II and micro- with DSP
The input module and crystal oscillator of processor connection, the memory module is made up of RAM memory modules and FLASH memory modules, described
CPLD is used to control whole sampling process, receives the order and input module input (input keyboard) of the transmission of DSP microprocessors
Button operation and state input/output, input signal mainly have asynchronous pass, conjunction, reset input, breaker position letter
Number, the tripping operation of the position signalling of switch cart, decompression, overcurrent tripping, system voltage signal etc., its information output function is mainly aobvious
Show breaker whether possess can with the condition of actuating, conjunction/gate-dividing state of breaker, breaker action executing situation, output
Breaker actuation order etc. is controlled, EPM3064 types CPLD is used to control whole sampling process to include A/D modular converters, CCD processing
Module and input module, to reduce the workload of DSP microprocessors to greatest extent, eliminate input/output and completed by it,
The shake of input/output is eliminated, makes the more reliable work of device, ensures DSP microprocessor processes efficiency, the light-coupled isolation mould
Block I, II is isolated for signal input and output, and the CCD modules are RJ2421AB0PB solid-state image sensors, will be collected
Continuous analog picture signal changes (processing of XC95144XL chips) through D/A, is changed into data image signal, then LR38603 types
CCD processing modules complete, to the calculation process of data image signal, to export finally by single-chip microcomputer II, by CM12864 types LCD
Display module shows the state of breaker, and the solid-state relay receives the fault actions signal of DSP microprocessors output, is used for
Connecting trip coil makes breaker actuation, disjunction major loop, and the timer uses XLT437 chips, reduces complex designing
Property, resetted for being monitored to DSP power supply of microprocessor states, during startup and be allowed to running status and understand, be also prevented from journey
Sequence endless loop causes device not work, and the RAM memory modules are used for the operation program of storing unit, FLASH memory modules
For depositing the relevant parameter of breaker (processing), device carries out front-end interface using LabVIEWDSC or μ C/OS- II and set
Meter, exploitation design is carried out using oracle database as background data base to described device program.
The device collection position signalling of breaker, the position signalling of switch cart, decompression tripping operation, overcurrent tripping, system electricity
Signal is pressed, Surveillance center (industrial computer or Special industrial computer such as TMSIS-4000/PC/RK/ are sent to by wireless communication module
HF), the parameters such as the electric signal of breaker state itself and acquisition process are real-time transmitted to Surveillance center, after device is handled
Mechanical property parameter, to build breaker data storehouse, in administrative staff and the running state information of inquiry breaker, to breaker
Monitored and controlled to make corresponding measure in time.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of intelligent monitoring protection device for preventing breaker from malfunctioning, including DSP microprocessors, single-chip microcomputer I, single-chip microcomputer II
And power module, it is characterised in that：The single-chip microcomputer II respectively with DSP microprocessors, the two-way communication link of single-chip microcomputer II, and
Communication module is connected with, the DSP microprocessors are connected with A/D modular converters, CPLD and timer, and the CPLD is connected with
Light-coupled isolation module I, CCD modules, the single-chip microcomputer I are connected with solid-state relay, the monolithic by light-coupled isolation module II
Machine II is connected with communication module and LCD display module, the power module connect one end connection DSP microprocessors, single-chip microcomputer I,
Single-chip microcomputer II, other end link voltage transformer.
A kind of 2. intelligent monitoring protection device for preventing breaker from malfunctioning according to claim 1, it is characterised in that：Also
Including the memory module being connected respectively with the single-chip microcomputer I, single-chip microcomputer II and the input module being connected with DSP microprocessors and
Crystal oscillator, the memory module are made up of RAM memory modules and FLASH memory modules.
A kind of 3. intelligent monitoring protection device for preventing breaker from malfunctioning according to claim 2, it is characterised in that：Institute
State A/D modular converters and current divider is connected with by multichannel analog amount input interface.
A kind of 4. intelligent monitoring protection device for preventing breaker from malfunctioning according to claim 1, it is characterised in that：Institute
Communication module is stated to be made up of wireless communication module and RS-232/RS-485 translation interfaces.
A kind of 5. intelligent monitoring protection device for preventing breaker from malfunctioning according to claim 4, it is characterised in that：Institute
Stating wireless communication module includes Wi-Fi module, bluetooth module, ZigBee module and gsm module.
A kind of 6. intelligent monitoring protection device for preventing breaker from malfunctioning according to claim 1, it is characterised in that：Institute
CCD modules are stated to be connected with CPLD by CCD processing modules.
A kind of 7. intelligent monitoring protection device for preventing breaker from malfunctioning according to claim 2, it is characterised in that：Institute
State DSP microprocessors and use ARM7TDMI-S process chips, the single-chip microcomputer I, single-chip microcomputer II use TMS320F2812 processing
Chip.
A kind of 8. intelligent monitoring protection device for preventing breaker from malfunctioning according to claim 1, it is characterised in that：Institute
State CPLD and use XC95144XL chips, the timer uses MAX706 chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710786752.9A CN107589369A (en) | 2017-09-04 | 2017-09-04 | A kind of intelligent monitoring protection device for preventing breaker from malfunctioning |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710786752.9A CN107589369A (en) | 2017-09-04 | 2017-09-04 | A kind of intelligent monitoring protection device for preventing breaker from malfunctioning |
Publications (1)
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| CN107589369A true CN107589369A (en) | 2018-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710786752.9A Pending CN107589369A (en) | 2017-09-04 | 2017-09-04 | A kind of intelligent monitoring protection device for preventing breaker from malfunctioning |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535006A (en) * | 2018-06-15 | 2018-09-14 | 温州华嘉电器有限公司 | A kind of small size breaker device iron core detection fixture |
| CN108828338A (en) * | 2018-03-13 | 2018-11-16 | 中国电力科学研究院有限公司 | A kind of outer attached current divider detection device and method with monitoring temperature |
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| CN2456176Y (en) * | 2000-12-04 | 2001-10-24 | 王农 | Circuit breaker online monitor |
| CN2717084Y (en) * | 2004-05-20 | 2005-08-10 | 江苏东源电器集团股份有限公司 | Intelligent control and protection arrangement for high voltage vacuum circuit breaker |
| CN101458306A (en) * | 2008-11-06 | 2009-06-17 | 上海电器科学研究所（集团）有限公司 | Breaker operating characteristic test apparatus |
| CN201466694U (en) * | 2009-05-22 | 2010-05-12 | 天津港保税区益诚电力设备有限公司 | Micro-relay protection automation measuring and control device based on composite structure of DSP and MCU |
| CN203587764U (en) * | 2013-11-04 | 2014-05-07 | 常熟开关制造有限公司(原常熟开关厂） | Breaker monitoring device |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2456176Y (en) * | 2000-12-04 | 2001-10-24 | 王农 | Circuit breaker online monitor |
| CN2717084Y (en) * | 2004-05-20 | 2005-08-10 | 江苏东源电器集团股份有限公司 | Intelligent control and protection arrangement for high voltage vacuum circuit breaker |
| CN101458306A (en) * | 2008-11-06 | 2009-06-17 | 上海电器科学研究所（集团）有限公司 | Breaker operating characteristic test apparatus |
| CN201466694U (en) * | 2009-05-22 | 2010-05-12 | 天津港保税区益诚电力设备有限公司 | Micro-relay protection automation measuring and control device based on composite structure of DSP and MCU |
| CN203587764U (en) * | 2013-11-04 | 2014-05-07 | 常熟开关制造有限公司(原常熟开关厂） | Breaker monitoring device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108828338A (en) * | 2018-03-13 | 2018-11-16 | 中国电力科学研究院有限公司 | A kind of outer attached current divider detection device and method with monitoring temperature |
| CN108535006A (en) * | 2018-06-15 | 2018-09-14 | 温州华嘉电器有限公司 | A kind of small size breaker device iron core detection fixture |
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Application publication date: 20180116 |
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