CN106026033B - A kind of capacitor box on-line monitoring automatic safety device and its working method - Google Patents
A kind of capacitor box on-line monitoring automatic safety device and its working method Download PDFInfo
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- CN106026033B CN106026033B CN201610534762.9A CN201610534762A CN106026033B CN 106026033 B CN106026033 B CN 106026033B CN 201610534762 A CN201610534762 A CN 201610534762A CN 106026033 B CN106026033 B CN 106026033B
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- capacitor box
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 94
- 239000003990 capacitor Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims abstract description 46
- 239000000779 smoke Substances 0.000 claims abstract description 25
- 238000004891 communication Methods 0.000 claims abstract description 6
- 238000001914 filtration Methods 0.000 claims description 4
- 230000007257 malfunction Effects 0.000 claims description 4
- 230000015556 catabolic process Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004880 explosion Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 206010014357 Electric shock Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/16—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for capacitors
-
- H02J13/0006—
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Fire Alarms (AREA)
Abstract
The invention discloses a kind of capacitor box on-line monitoring automatic safety device and its working method, device includes capacitor box, is equipped with monitoring host computer, protective module, current sensor, smoke sensor device, temperature sensor and radiator fan in capacitor box；The output end of monitoring host computer is electrically connected with the input terminal of radiator fan; the input terminal of monitoring host computer is electrically connected with the output end of smoke sensor device and temperature sensor respectively; monitoring host computer with protective module is two-way is electrically connected, the input terminal of protective module is electrically connected with the output end of current sensor；Capacitor box on-line checking automatic safety device further includes several fire extinguishers, and the output end of monitoring host computer is electrically connected with the input terminal of fire extinguisher, monitoring host computer be equipped with GPRS module and or RS385 communication module.Beneficial effects of the present invention: the real-time display and protection of every group capacitor capacitance in capacitor box are realized, and self-extinguishing can be carried out at the first time to fire trouble caused by the factors such as the capacitor explosion oil leak occurred under extreme case.
Description
Technical field
The present invention relates to capacitor box testing equipment fields, it particularly relates to which a kind of capacitor box monitors automatic protection on-line
Device and its working method.
Background technique
Present capacitor cabinet controller is to monitor requirement idle in power grid by CT, then according to controller parameter
Setting automatically controls the throwing in each compensation circuit and cuts.To allow the power factor in power grid to reach the expected target set.Electricity
Container is only one vulnerable part in entire controller switching equipment, and has many switching circuits inside capacitor box, when in capacitor
Cabinet came into operation after a period of time, and a set of monitoring system is needed to determine, what degree was arrived per capacitance loss all the way, if need more
It changes；If needing operation maintenance personnel to open cabinet without a set of such monitoring system and going to measure one by one, cause high effort for.If electric
Discharge capacitor is insufficient, and there is also fortune to examine personnel safety problem.
The anti-riot easy failure of capacitor, in extreme circumstances, there are generation, and capacitor in when thing of capacitor exploding and firing
Cabinet is an independent confined space, in the blind area of monitoring of fire-fighting.The annual fire generated because of capacitor box causes power distribution cabinet to over-fire
It will occur.Since power distribution cabinet is the important equipment for guaranteeing power supply, fire can lead to uncertain unexpected power-off, and
The heavy losses of property.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Summary of the invention
For above-mentioned technical problem in the related technology, the present invention proposes a kind of capacitor box on-line monitoring automatic safety device
And its working method, it can be realized the real-time display and protection of every group capacitor capacitance in capacitor box, and go out under extreme case
Fire trouble caused by the factors such as existing capacitor explosion oil leak can carry out self-extinguishing at the first time.
To realize the above-mentioned technical purpose, the technical scheme of the present invention is realized as follows:
A kind of capacitor box on-line monitoring automatic safety device, including capacitor box, the capacitor box is interior to be equipped with monitoring host computer, protects
Protect module, current sensor, smoke sensor device, temperature sensor and radiator fan；The output end of the monitoring host computer is by leading
Line is electrically connected with the input terminal of the radiator fan, and the input terminal of the monitoring host computer passes through conducting wire respectively and the smog senses
The electrical connection of the output end of device and temperature sensor, the monitoring host computer by conducting wire with the protective module is two-way is electrically connected, institute
The input terminal for stating protective module is electrically connected by conducting wire with the output end of the current sensor；The capacitor box on-line checking is certainly
Dynamic protective device further includes several fire extinguishers, and the output end of the monitoring host computer passes through the input terminal of conducting wire and fire extinguisher electricity
Connection, the monitoring host computer be equipped with GPRS module and or RS385 communication module.
Further, the capacitor box includes cabinet body and the cabinet on front side of the cabinet body, the monitoring host computer
In the cabinet；The smoke sensor device is set to the inner tip of the cabinet body, and the temperature sensor is set to institute
The lower section of smoke sensor device is stated, the protective module is set to the lower section of the temperature sensor, and the current sensor is set to institute
State the lower section of protective module.
Preferably, there are two the fire extinguishers, the fire extinguisher is set to the inside of the cabinet body, a fire extinguisher
Set on the left side of the protective module, a fire extinguisher is set to the right side of the current sensor.
Preferably, the fire extinguisher is set to the outside of cabinet body.
Further, the monitoring host computer is equipped with display screen and operation key.
On the other hand, a kind of working method of capacitor box on-line monitoring automatic safety device, comprising the following steps:
S1 is by monitoring host computer, protective module, current sensor, smoke sensor device, temperature sensor, fire extinguisher and radiation air
Fan wiring；
S2 monitoring host computer realizes reactive compensation or filtering compensation control, monitoring host computer dynamic by acquisition power grid energy data
It exports 12 circuits and controls protective module dilatation to 36 circuits；
Signal is transmitted to protective module by S3 current sensor, and protective module converts a signal into data and is transmitted to monitoring master
Machine, monitoring host computer count data and are shown and carry out fault alarm according to data；
S4 monitoring host computer acquires the signal that smoke sensor device and temperature sensor upload respectively, monitoring host computer identified,
Judgement, control driving radiator fan and fire extinguisher；
S5 monitoring host computer will operate above state, real time data, fault alarm and protection act information, pass through GPRS module
With or RS485 communication module be transmitted to monitoring backstage.
Further, the step S1 includes:
Make the output end of monitoring host computer pass through conducting wire respectively to be electrically connected with the input terminal of fire extinguisher and radiator fan, makes to monitor
The input terminal of host passes through conducting wire respectively and is electrically connected with the output end of the smoke sensor device and temperature sensor, makes monitoring host computer
By conducting wire with protective module is two-way is electrically connected, so that the input terminal of protective module is passed through the output end of conducting wire and current sensor electricity
Connection.
Further, the step S3 includes:
Signal is transmitted to protective module by current sensor, and protective module is by calculating and judges, the detection of realization tributary capacity,
Its data is transmitted to monitoring host computer by capacitance setting, protection and breakdown judge, and monitoring host computer is counted and shown to data and root
Fault alarm is carried out according to data.
Further, the step S4 includes:
Monitoring host computer acquires the signal that smoke sensor device and temperature sensor upload respectively, by monitoring host computer identification, sentences
Disconnected, control driving radiator fan start-stop generates smokescope and temperature exceeding standard, monitoring when capacitor box is under extreme condition
Host warning output individually cuts off master switch in malfunction counter, and compensation or filter circuit have been thrown in excision, and radiator fan stalls, simultaneously
Control starting automatic fire extinguisher, starts fire extinguisher in cabinet.
Further, output time≤20ms of the monitoring host computer.
Beneficial effects of the present invention: 1) present invention is equipped with monitoring host computer and protective module, and parameter setting is simple, overcurrent, temperature
Degree, protection is complete, and failure, capacitance change precognition, prompting and the rapid action protection of failure in advance, reduces major accident, mentions
High device security and stability extend service life of equipment 2) it is of the invention by acquisition smoke sensor device information, realize electricity
Hold cabinet (reactive compensation cabinet) automatic fire-extinguishing function；3) present invention reduces everyday devices inspection, entirely by GPRS data remote transmission
Functional parameter is shown, is established cabinet detection by cable without band, is avoided maintenance personnel's Danger Electric shock risk, ensure personal safety；4) present invention can be with
Really realize important, emphasis, capacitor box (reactive compensation cabinet) is unattended in special item.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the capacitor box on-line monitoring automatic safety device described according to embodiments of the present invention；
Fig. 2 is the structural schematic diagram of the capacitor box described according to embodiments of the present invention.
In figure:
1, monitoring host computer；2, protective module；3, current sensor；4, smoke sensor device；5, temperature sensor；6, it puts out a fire
Device；7, radiator fan.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's every other embodiment obtained belong to what the present invention protected
Range.
As shown in Figs. 1-2, a kind of capacitor box according to embodiments of the present invention monitors automatic safety device on-line, including
Capacitor box, the capacitor box is interior to be equipped with monitoring host computer 1, protective module 2, current sensor 3, smoke sensor device 4, temperature sensor
5 and radiator fan 7；The output end of the monitoring host computer 1 is electrically connected by conducting wire with the input terminal of the radiator fan 7, described
The input terminal of monitoring host computer 1 passes through conducting wire respectively and is electrically connected with the output end of the smoke sensor device 4 and temperature sensor 5, institute
State monitoring host computer 1 by conducting wire with the protective module 2 is two-way is electrically connected, the input terminal of the protective module 2 by conducting wire and
The output end of the current sensor 3 is electrically connected；The capacitor box on-line checking automatic safety device further includes several fire extinguishers,
The output end of the monitoring host computer 1 is electrically connected by conducting wire with the input terminal of the fire extinguisher 6, and the monitoring host computer 1 is equipped with
GPRS module and or RS385 communication module.
Wherein, the capacitor box includes cabinet body and the cabinet on front side of the cabinet body, and the monitoring host computer 1 is set to
In the cabinet；The smoke sensor device 4 is set to the inner tip of the cabinet body, and the temperature sensor 5 is set to described
The lower section of smoke sensor device 4, the protective module 2 are set to the lower section of the temperature sensor 5, and the current sensor 3 is set to
The lower section of the protective module 2.
Wherein, there are two the fire extinguishers, the fire extinguisher is set to the inside of the cabinet body, a fire extinguisher 6
Set on the left side of the protective module 2, a fire extinguisher 6 is set to the right side of the current sensor 3.
Wherein, the fire extinguisher 6 is set to the outside of cabinet body.
Wherein, the monitoring host computer 1 uses large-size screen monitors liquid crystal display, and four-quadrant measurement sense may be implemented in panel button operation
Property/capacitive load, reactive power is measured in a manner of DFT, the power supply system suitable for higher harmonics.
A kind of working method of capacitor box on-line monitoring automatic safety device, comprising the following steps:
S1 is by monitoring host computer 1, protective module 2, current sensor 3, smoke sensor device 4, temperature sensor 5,6 and of fire extinguisher
7 wiring of radiator fan；
S2 monitoring host computer 1 realizes that reactive compensation or filtering compensation control, monitoring host computer 1 are dynamic by acquisition power grid energy data
State exports 12 circuits and controls 2 dilatation of protective module to 36 circuits；
Signal is transmitted to protective module 2 by S3 current sensor 3, and protective module 2 converts a signal into data and is transmitted to monitoring
Host 1, monitoring host computer 1 count data and are shown and carry out fault alarm according to data；
S4 monitoring host computer 1 acquires the signal that smoke sensor device 4 and temperature sensor 5 upload respectively, and monitoring host computer 1 is known
Not, judge, control driving radiator fan 7 and fire extinguisher 6；
S5 monitoring host computer 1 will operate above state, real time data, fault alarm and protection act information, pass through GPRS mould
Block and or RS485 communication module be transmitted to monitoring backstage.
Wherein, monitoring host computer 1, protective module 2, current sensor 3, smoke sensor device 4, temperature sensor 5, fire extinguisher 6
It has been mounted on capacitor box with radiator fan 7.
Wherein, the step S1 further comprises:
Make the output end of monitoring host computer 1 pass through conducting wire respectively to be electrically connected with the input terminal of fire extinguisher 6 and radiator fan 7, make
The input terminal of monitoring host computer 1 passes through conducting wire respectively and is electrically connected with the output end of the smoke sensor device 4 and temperature sensor 5, makes
Monitoring host computer 1 by conducting wire with protective module 2 is two-way is electrically connected, so that the input terminal of protective module 2 is passed through conducting wire and current sense
The output end of device 3 is electrically connected.
Wherein, the step S3 further comprises:
Signal is transmitted to protective module 2 by current sensor 3, and protective module 2 realizes tributary capacity inspection by calculating and judging
Its data is transmitted to monitoring host computer 1, monitoring host computer 1 is counted and shown to data by survey, capacitance setting, protection and breakdown judge
Show and carries out fault alarm according to data.
Wherein, the step S4 further comprises:
Monitoring host computer 1 acquires the signal that smoke sensor device 4 and temperature sensor 5 upload respectively, is known by monitoring host computer 1
Not, judge, control driving 7 start-stop of radiator fan, when capacitor box is under extreme condition, generates smokescope and temperature is super
Mark, 1 warning output of monitoring host computer individually cut off master switch (master switch has enable end of operating a switch) in malfunction counter, and benefit has been thrown in excision
It repays or filter circuit, radiator fan 7 stalls, while controlling starting automatic fire extinguisher (needing outer with working power), start in cabinet
Fire extinguisher 6.
Wherein, output time≤20ms of the monitoring host computer 1.
It should be noted that the protective module 2 can be equipped with warning device, the expansible short message of GPRS module reminds function
Energy or alarm alarm functionality.
The present invention is reduced to solve the branch capacitor's capacity of existing reactive compensation or the appearance of filtering compensation cabinet, and overcurrent is burnt out
And fire automatic protection in small spatial dimension in cabinet caused by exploding, in-cabinet temperature automatically control and in real time, history multiparty data
Wireless upload (GPRS) problem, technical solution is carried out repeatedly according to actual field experience situation and is improved, invented workmanship it is exquisite,
The capacitor box on-line monitoring automatic safety device that performance is stable, works well, monitoring host computer 1 and protective module 2 select 32 ARM
Chip, using STM surface mounting technology, Anti-interference Design, embedded software developing, guarantee Product Precision, system operational speed
And stability；It is connected between monitoring host computer 1 and protective module 2 using RJ45 data line, monitoring host computer 1 and smoke sensor device 4, temperature
Sensor 5, fire extinguisher 6 are spent, is connected between protective module 2 and current sensor 3 using private mask line；Its compact-sized, peace
Dress is convenient, suitable for the installation by adhering of domestic and international switch cabinet, according to on-line monitoring protective device operation instruction correct wiring,
Setting, so that it may realize the real-time display of every group capacitor capacitance in reactive compensation cabinet, protection and occur in extreme circumstances quick-fried
Self-extinguishing, in-cabinet temperature automatic control and the malfunction that combustion fire is suffered from upload automatically.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (2)
1. a kind of working method of capacitor box on-line monitoring automatic safety device, which comprises the following steps:
S1 by monitoring host computer (1), protective module (2), current sensor (3), smoke sensor device (4), temperature sensor (5), go out
Firearm (6) and radiator fan (7) wiring；
S2 monitoring host computer (1) realizes that reactive compensation or filtering compensation control, monitoring host computer (1) are dynamic by acquisition power grid energy data
State exports 12 circuits and controls protective module (2) dilatation to 36 circuits；
Signal is transmitted to protective module (2) by S3 current sensor (3), and protective module (2) converts a signal into data and is transmitted to prison
It controls host (1), monitoring host computer (1) counts data and shown and carries out fault alarm according to data；
S4 monitoring host computer (1) acquires the signal that smoke sensor device (4) and temperature sensor (5) upload respectively, monitoring host computer (1) into
Row identification, judgement, control driving radiator fan (7) and fire extinguisher (6)；
S5 monitoring host computer (1) will operate above state, real time data, fault alarm and protection act information, pass through GPRS module
With or RS485 communication module be transmitted to monitoring backstage；
The step S1 further comprises: the output end of monitoring host computer (1) being made to pass through conducting wire and fire extinguisher (6) and radiation air respectively
The input terminal electrical connection for fanning (7), makes the input terminal of monitoring host computer (1) pass through conducting wire and the smoke sensor device (4) and temperature respectively
The output end electrical connection for spending sensor (5), make monitoring host computer (1) by conducting wire with protective module (2) is two-way is electrically connected, make to protect
The input terminal of module (2) is electrically connected by conducting wire with the output end of current sensor (3)；
The step S3 further comprises: signal is transmitted to protective module (2) by current sensor (3), and protective module (2) is by meter
It calculates and its data is transmitted to monitoring host computer (1), supervises by judgement, the detection of realization tributary capacity, capacitance setting, protection and breakdown judge
Control host (1) counts data and is shown and carries out fault alarm according to data；
The step S4 further comprises: monitoring host computer (1) acquires smoke sensor device (4) respectively and temperature sensor (5) uploads
Signal, pass through monitoring host computer (1) identification, judgement, control driving radiator fan (7) start-stop, when capacitor box is in extreme condition
When lower, smokescope and temperature exceeding standard are generated, monitoring host computer (1) warning output individually cuts off master switch in malfunction counter, and excision is
Compensation or filter circuit, radiator fan (7) stalling are thrown, while controlling starting automatic fire extinguisher, starts fire extinguisher (6) in cabinet.
2. the working method of capacitor box on-line monitoring automatic safety device according to claim 1, which is characterized in that described
Output time≤20ms of monitoring host computer (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610534762.9A CN106026033B (en) | 2016-07-07 | 2016-07-07 | A kind of capacitor box on-line monitoring automatic safety device and its working method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610534762.9A CN106026033B (en) | 2016-07-07 | 2016-07-07 | A kind of capacitor box on-line monitoring automatic safety device and its working method |
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| CN106026033A CN106026033A (en) | 2016-10-12 |
| CN106026033B true CN106026033B (en) | 2019-05-10 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106535577A (en) * | 2016-12-05 | 2017-03-22 | 四川行之知识产权运营服务有限公司 | Temperature control safety system for electrical control cabinet |
| CN111414013B (en) * | 2017-04-19 | 2023-02-10 | 金钱猫科技股份有限公司 | Target object early warning monitoring method and device |
| CN108565871A (en) * | 2018-02-01 | 2018-09-21 | 合肥联信电源有限公司 | A kind of reactive compensation cabinet with remote monitoring function |
| CN110363951A (en) * | 2019-08-08 | 2019-10-22 | 广东电网有限责任公司 | Intelligent safety monitor of telecommunication suitable for switchgear |
| CN111829589A (en) * | 2020-07-16 | 2020-10-27 | 湖北航天保华科技股份有限公司 | Anti-interference self-checking system of military electric cabinet in complex environment |
| CN111864566A (en) * | 2020-07-31 | 2020-10-30 | 无锡协鸿电力科技有限公司 | Power capacitor cabinet that security performance is high |
| CN113991450A (en) * | 2021-11-19 | 2022-01-28 | 深圳供电局有限公司 | Sliding type infrared imaging monitoring window for switch cabinet |
| CN114336657A (en) * | 2021-12-09 | 2022-04-12 | 国网浙江省电力有限公司文成县供电公司 | Phase-splitting real-time accurate reactive compensation equipment with temperature measurement component |
| CN116418119B (en) * | 2023-04-25 | 2023-12-26 | 江苏安世朗智能科技有限公司 | Three-phase capacitance intelligent monitoring control system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202797970U (en) * | 2012-09-05 | 2013-03-13 | 仪征恒运电器有限公司 | Novel capacitor box |
| CN104300376B (en) * | 2014-10-30 | 2016-03-30 | 国家电网公司 | A kind of power switch cabinet multifunctional examining examining system and its implementation |
| CN204314680U (en) * | 2015-01-04 | 2015-05-06 | 江苏镇安电力设备有限公司 | A kind of switch cabinet state intelligent online monitoring device |
| CN205829151U (en) * | 2016-07-07 | 2016-12-21 | 陈成紫 | A kind of capacitor box on-line monitoring automatic safety device |
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Effective date of registration: 20230717 Address after: 307, Floor 3, No. 19, Lianhe Road, Hudai Town, Binhu District, Wuxi City, Jiangsu Province, 214000 Patentee after: Wuxi Yirong Electric Power Development Co.,Ltd. Address before: Room 402, No. 999 Xihu West Road, Wuxi City, Jiangsu Province, 214000 Patentee before: Chen Chengzi |
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Effective date of registration: 20230803 Address after: 3-4 / F, 19 Lianhe Road, Hudai Town, Binhu District, Wuxi City, Jiangsu Province, 214000 Patentee after: Jiangsu Rongcheng Electric Power Development Co.,Ltd. Address before: 307, Floor 3, No. 19, Lianhe Road, Hudai Town, Binhu District, Wuxi City, Jiangsu Province, 214000 Patentee before: Wuxi Yirong Electric Power Development Co.,Ltd. |