CN203123393U - Automatic fire extinguishing device of electrical switch cabinet - Google Patents
Automatic fire extinguishing device of electrical switch cabinet Download PDFInfo
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- CN203123393U CN203123393U CN 201320130657 CN201320130657U CN203123393U CN 203123393 U CN203123393 U CN 203123393U CN 201320130657 CN201320130657 CN 201320130657 CN 201320130657 U CN201320130657 U CN 201320130657U CN 203123393 U CN203123393 U CN 203123393U
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Abstract
The utility model discloses an automatic fire extinguishing device of an electrical switch cabinet. The automatic fire extinguishing device of the electrical switch cabinet comprises a main control unit and monitoring control terminals, wherein each monitoring control terminal comprises a signal acquisition module and fire extinguishing equipment which is arranged inside the electrical switch cabinet; the signal acquisition module comprises a current transformer, an optical sensor, a smoke sensor and a temperature sensor, wherein the optical sensor, the smoke sensor and the temperature sensor are arranged in the electrical switch cabinet, are used for acquiring wire inlet current of the electrical switch cabinet, an arc light signal, a smoke signal and a temperature signal in the electrical switch cabinet, and transmitting the signals to the main control unit; the main control unit is composed of a controller and an execution module, wherein the controller is used for controlling the tripping of a circuit breaker of the electrical control cabinet by virtue of the execution module according to the signals received from the signal acquisition module, as well as used for controlling the fire extinguishing starting of the fire extinguishing device. The automatic fire extinguishing device of the electrical switch cabinet can be firstly used for preventing the occurrence of the fire-catching condition of the switch cabinet, and also can be used for extinguishing the fire as soon as possible when the inner part of the switch cabinet catches a fire, so that the loss is prevented from further expanding.
Description
Technical field
The utility model relates to the safe operation technical field of power system automation apparatus, particularly a kind of cabinet automatic fire extinguisher that can realize excising fast fault and automatic fire-extinguishing function in cabinet.
Background technology
The inner arc fault of switch cubicle is a kind of very serious short trouble in the distribution system, if do not take to monitor timely and effectively and safeguard measure, tends to cause serious economy loss.Therefore, be necessary in switch cubicle, to carry out arclight monitoring and protection.
If arc fault can not in time be excised in the switch cubicle, further developing electrical equipment, electric wire or the cable fire that may cause in the switch cubicle catches fire, if this moment can not be to the processing of putting out a fire of breakdown switch cabinet, then may cause switch cubicle badly damaged, that have even develop into that many group switch cubicles burn simultaneously " baked wheaten cake operate accident ", perhaps switch cubicle blast and may cause personal injury.
At present, automatic sprinkler system type both domestic and external is more, but all can not be applicable to electric complete set of equipments switch cubicle.Because behind electrical equipment or electric wire, the ignition of cable, can not directly make to fire-fight by water in the switch cubicle.Because generally contain the impurity of conduction in the water, be sprayed on the charging equipment dust impurity on the infiltration equipment again, then easy conductive more.As fire-fight by water, also can reduce the insulating properties of electrical equipment, cause ground short circuit, or jeopardize near fire fighting personnel safety.
Summary of the invention
Defective at prior art, the purpose of this utility model is to propose a kind of cabinet automatic fire extinguisher, the generation that it can prevent the switch cubicle fire situation on the one hand can extinguish the blaze the further expansion that avoids damage on the other hand as early as possible when the switch cubicle internal fires.
For achieving the above object, the technical scheme that the utility model is taked is: a kind of cabinet automatic fire extinguisher, comprise main control unit and 1 above Monitoring and Controlling terminal, the fire-extinguishing apparatus that each Monitoring and Controlling terminal comprises signal acquisition module and is installed on cabinet inside; Wherein:
Signal acquisition module comprises current transformer and is installed on cabinet interior optical sensor, Smoke Sensor and temperature sensor; Current transformer is gathered the current signal of cabinet inlet wire, and transfers in the main control unit; Optical sensor, Smoke Sensor and temperature sensor are gathered arc optical signal, smoke signal and the temperature signal in the cabinet respectively, and transfer in the main control unit;
Main control unit comprises controller, with the Executive Module that is connected fire-extinguishing apparatus and electric switch cabinet breaker; Controller receives the signal that the signal acquisition module transmission comes, and according to the signal that receives, by the tripping operation of Executive Module control electric switch cabinet breaker, and the fire extinguishing of fire-extinguishing apparatus starts.
When using, optical sensor of the present utility model, Smoke Sensor and temperature sensor and fire-extinguishing apparatus are installed in the switch cubicle, as the top; The controlled valve of fire-extinguishing apparatus, sensor and breaker coil all connect controller by cable.Current transformer is threephase current transformer, and it gathers the three-phase current signal of cabinet inlet wire, and optical sensor is gathered the arc optical signal in the switch cubicle.The fault that in switch cubicle, is short-circuited, when electric arc occurring, optical sensor collects arc optical signal, and current transformer collects current signal by current sample simultaneously; Predeterminable arc light luminosity definite value, current ration, smoke signal definite value and a temperature definite value in the controller, the actual current value that receives when controller and arc light shading value are greater than definite value, then by performance element breaker is sent trip command immediately, the fast shut-off fault.Detect fault a period of time as 10 seconds in, Smoke Sensor can continue the smoke signal in the sense switch cabinet, temperature signal in the temperature sensor sense switch cabinet, as the smoke signal value in the switch cubicle in 10 seconds and temperature signal value greater than default definite value, then controller sends the fire extinguishing order by Executive Module to fire-extinguishing apparatus, automatically open the controlled valve of fire-extinguishing apparatus, spray fire extinguishing agent is put out a fire.Fire-extinguishing apparatus stop or the combined floodgate of replacing and breaker then can be eliminated the back in fault and be finished by the staff.
As a kind of improvement, the utility model also comprises alarm module; The signal that controller in the main control unit comes according to each the Monitoring and Controlling terminal transmission that receives, the warning of control alarm module.Alarm module can adopt existing sound and light alarm technology to realize that the startup of warning also can be controlled realization by the relay in the Executive Module.When breaking down in the different cabinets, controller can be controlled alarm module and send warning by different sound and light signals, so that the further expansion of fault harm is avoided in staff's timely judgement and processing.
Further, in the utility model, fire-extinguishing apparatus comprises controlled valve; Be provided with in the described Executive Module and connect the fire-extinguishing apparatus controlled valve respectively, and the relay of cabinet circuit breaker trip coil.Concrete, the quantity of Executive Module repeat circuit is corresponding with fire-extinguishing apparatus valve, the breaker quantity sum of all Monitoring and Controlling terminals; Relay contact joining is in the circuit breaker trip coil, and the closing of contact of controller control Executive Module repeat circuit is opened thereby control the fire-extinguishing apparatus controlled valve, and the cabinet circuit breaker trip.
Fire-extinguishing apparatus described in the utility model is a kind of in carbon dioxide extinguisher, carbon tetrachloride fire extinguisher, 1211 fire extinguishers or the dry powder extinguisher.The valve control of fire-extinguishing apparatus and fire extinguisher can be adopted existing techniques in realizing.
Current transformer, optical sensor, temperature sensor, Smoke Sensor all adopt existing product sensor in the utility model, and controller can adopt realizations such as existing single-chip microcomputer.
The beneficial effects of the utility model are: at first, when using, the utility model can adopt current signal and light sensors switch cubicle internal short circuit fault earlier, guarantees the quick excision of fault, avoids the generation of case of fire;
Secondly, the utility model utilizes optical sensor, Smoke Sensor and temperature sensor sense switch cabinet internal state, when switch cubicle internal unit, electric wire or cable are waited fire burns, can cut off external power source rapidly, send alarm signal and open fire extinguishing system, the fire extinguishing of enforcement switch cubicle, the risk that effective reduction brings thus and unnecessary economic loss;
At last, it is the fire extinguisher of non-conductive media such as carbon dioxide, carbon tetrachloride, " 1211 ", dry powder that fire-extinguishing apparatus of the present utility model is selected firing-fighting medium for use, can guarantee can not cause two subsidiary risks because of extinguishing chemical.
Description of drawings
Figure 1 shows that a kind of specific embodiment schematic block diagram of the present utility model;
The installation site schematic diagram of signal acquisition module and fire-extinguishing apparatus when Figure 2 shows that the utility model application.
The specific embodiment
For content of the present utility model is become apparent more, be described further below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the utility model comprises main control unit 1 and 1 above Monitoring and Controlling terminal 2, each Monitoring and Controlling terminal 2 comprises signal acquisition module and fire-extinguishing apparatus, in conjunction with Fig. 2, fire-extinguishing apparatus and integrated after the part signal acquisition module be installed on the inner tip of cabinet, be convenient to the collection of various signals, can make that the efficient of fire-extinguishing apparatus is higher simultaneously.
In the specific embodiment, signal acquisition module is made up of current transformer, optical sensor, Smoke Sensor and temperature sensor, also can increase the relevant signal transducer of some faults in addition, and comprehensively more multi-parameter is carried out failure judgment, feasible judgement is more accurate, and efficient is higher.
Main control unit comprises controller, with the Executive Module that is connected fire-extinguishing apparatus and cabinet circuit breaker trip coil; Controller can adopt control chips such as existing single-chip microcomputer, and Executive Module realizes that by existing relay the closed or disconnection of relay contact can have the level translation by one-chip machine port to realize conversion.Current transformer is gathered switch cubicle bus inlet wire current and is transferred to controller, optical sensor, Smoke Sensor and temperature sensor are gathered arc optical signal, smoke signal and the temperature signal in the cabinet respectively, and transfer in the controller of main control unit; The signal that the controller basis receives, by the closure of control Executive Module repeat circuit contact, thus the tripping operation of control electric switch cabinet breaker, and the startup of fire-extinguishing apparatus.
As a kind of improvement, also comprise alarm module among the embodiment; The signal that controller in the main control unit comes according to each the Monitoring and Controlling terminal transmission that receives, the warning of control alarm module.Alarm module can adopt existing sound and light alarm technology to realize that the startup of warning also can be controlled realization by the relay in the Executive Module.When breaking down in the cabinet of different terminals, controller can be controlled alarm module and send warning by different sound and light signals, so that the further expansion of fault harm is avoided in staff's timely judgement and processing.
Fire-extinguishing apparatus of the present utility model can be a kind of in carbon dioxide extinguisher, carbon tetrachloride fire extinguisher, 1211 fire extinguishers or the dry powder extinguisher.Fire-extinguishing apparatus comprises controlled valve; Relay in the Executive Module connects fire-extinguishing apparatus controlled valve control end, thereby the keying of control fire-extinguishing apparatus controlled valve realizes fire extinguishing.The control of valves such as the single-chip microcomputer of fire extinguisher can utilize existing techniques in realizing.
The controlled valve of fire-extinguishing apparatus, sensor and breaker coil all connect controller by cable.Current transformer is threephase current transformer, and it gathers the inlet wire current signal of cabinet, and optical sensor is gathered the arc optical signal in the switch cubicle; The fault that in switch cubicle, is short-circuited, during outlet electric arc, optical sensor collects arc optical signal, and current transformer collects current signal by current sample simultaneously; Predeterminable arc light luminosity definite value, current ration, smoke signal definite value and a temperature definite value in the controller, the actual current value that receives when controller and arc light shading value are greater than definite value, then by performance element breaker is sent trip command immediately, the fast shut-off fault.Detecting fault, and send trip command a period of time as in 10 seconds, Smoke Sensor can continue the smoke signal in the sense switch cabinet, temperature signal in the temperature sensor sense switch cabinet, as the smoke signal value in the switch cubicle in 10 seconds and temperature signal value greater than default definite value, then controller sends the fire extinguishing order by Executive Module to fire-extinguishing apparatus, opens the controlled valve of fire-extinguishing apparatus automatically, and spray fire extinguishing agent is put out a fire.
The utility model is when using, and at first current transformer and light sensors switch cubicle internal short circuit fault guarantee the quick excision of fault, avoid the generation of case of fire; And when when switch cubicle internal unit, electric wire or cable are waited fire burns, signal transmission by optical sensor, Smoke Sensor and temperature sensor, the utility model can cut off external power source rapidly, sends alarm signal and open fire extinguishing system, the fire extinguishing of enforcement switch cubicle, the risk that effective reduction brings thus and unnecessary economic loss; In addition, be the fire extinguisher of non-conductive media such as carbon dioxide, carbon tetrachloride, " 1211 ", dry powder because fire-extinguishing apparatus of the present utility model is selected firing-fighting medium for use, can guarantee can not cause two subsidiary risks because of extinguishing chemical.
Concrete case study on implementation only is preferable case study on implementation of the present utility model described in the utility model, is not to limit practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modification, all should be as technology category of the present utility model.
Claims (4)
1. a cabinet automatic fire extinguisher is characterized in that, comprises main control unit and 1 above Monitoring and Controlling terminal, the fire-extinguishing apparatus that each Monitoring and Controlling terminal comprises signal acquisition module and is installed on cabinet inside; Wherein:
Signal acquisition module comprises current transformer and is installed on cabinet interior optical sensor, Smoke Sensor and temperature sensor; Current transformer is gathered the current signal of cabinet inlet wire, and transfers in the main control unit; Optical sensor, Smoke Sensor and temperature sensor are gathered arc optical signal, smoke signal and the temperature signal in the cabinet respectively, and transfer in the main control unit;
Main control unit comprises controller, with the Executive Module that is connected fire-extinguishing apparatus and electric switch cabinet breaker; Controller receives the signal that the signal acquisition module transmission comes, and according to the signal that receives, by the tripping operation of Executive Module control electric switch cabinet breaker, and the fire extinguishing of fire-extinguishing apparatus starts.
2. cabinet automatic fire extinguisher according to claim 1 is characterized in that, also comprises alarm module; The signal that controller in the main control unit comes according to each the Monitoring and Controlling terminal transmission that receives, the warning of control alarm module.
3. cabinet automatic fire extinguisher according to claim 1 is characterized in that fire-extinguishing apparatus comprises controlled valve; Be provided with in the described Executive Module and connect the fire-extinguishing apparatus controlled valve respectively, and the relay of cabinet circuit breaker trip coil; The closing of contact or the disconnection of controller control Executive Module repeat circuit, thereby the keying of control fire-extinguishing apparatus controlled valve, and the breaker tripping and closing of breaker.
4. according to each described cabinet automatic fire extinguisher of claim 1 to 3, it is characterized in that fire-extinguishing apparatus is a kind of in carbon dioxide extinguisher, carbon tetrachloride fire extinguisher, 1211 fire extinguishers or the dry powder extinguisher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320130657 CN203123393U (en) | 2012-08-17 | 2013-03-21 | Automatic fire extinguishing device of electrical switch cabinet |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220409448 | 2012-08-17 | ||
| CN201220409448.5 | 2012-08-17 | ||
| CN 201320130657 CN203123393U (en) | 2012-08-17 | 2013-03-21 | Automatic fire extinguishing device of electrical switch cabinet |
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| CN203123393U true CN203123393U (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320130657 Expired - Fee Related CN203123393U (en) | 2012-08-17 | 2013-03-21 | Automatic fire extinguishing device of electrical switch cabinet |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103830866A (en) * | 2013-09-10 | 2014-06-04 | 烟台启能电子科技有限公司 | Fire detection, prevention and control system of electronic control cabinet and control method thereof |
| CN105118222A (en) * | 2015-08-25 | 2015-12-02 | 苏州硅果电子有限公司 | Intelligent filtering detection type fire-fighting communication cabinet |
| CN105126275A (en) * | 2015-08-25 | 2015-12-09 | 苏州硅果电子有限公司 | Intelligent fire control type communication case |
| CN105390346A (en) * | 2015-11-12 | 2016-03-09 | 成都绿迪科技有限公司 | Novel power distribution network breaker |
| CN106178339A (en) * | 2016-08-29 | 2016-12-07 | 安徽中电兴发与鑫龙科技股份有限公司 | Extinguishing method in a kind of metal-clad moveable high-voltage switchgear extinguishing device and cabinet |
| CN106693260A (en) * | 2016-11-29 | 2017-05-24 | 青岛特来电新能源有限公司 | Charger ignition detecting and fire extinguishing system and method |
| CN107742864A (en) * | 2017-10-24 | 2018-02-27 | 镇江市益宝电气科技有限公司 | A kind of intelligent fire-proofing type bus duct for Internet of Things |
| CN108958145A (en) * | 2018-07-25 | 2018-12-07 | 泸州天灵开关有限公司 | A kind of electric control box with network communicating function and security monitoring function |
| CN110053572A (en) * | 2019-04-29 | 2019-07-26 | 山东交通职业学院 | A kind of automobile automatic electric switch controlling device and method |
| CN110146731A (en) * | 2019-04-04 | 2019-08-20 | 国网山东省电力公司济宁供电公司 | A kind of electric metering box fire protection monitoring device and monitoring method |
| CN111211495A (en) * | 2020-01-15 | 2020-05-29 | 湖南城市学院 | High energy-saving electrical switch cabinet |
| CN112098759A (en) * | 2020-09-21 | 2020-12-18 | 华邦创科(惠州市)智能科技有限公司 | Fault arc detection method |
| CN112419648A (en) * | 2020-09-29 | 2021-02-26 | 国网山东省电力公司冠县供电公司 | Power distribution system protection device and method |
| CN113877102A (en) * | 2021-11-10 | 2022-01-04 | 国网青海省电力公司 | Intelligent fire detection and extinguishing system based on closed switch cabinet |
| CN114534140A (en) * | 2021-12-03 | 2022-05-27 | 国网山东省电力公司临沂供电公司 | Fire extinguishing device in metal armored closed switch cabinet |
| CN114783124A (en) * | 2022-03-29 | 2022-07-22 | 浙江万可电气设备有限公司 | Linkage module of switch equipment and switch equipment |
-
2013
- 2013-03-21 CN CN 201320130657 patent/CN203123393U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103830866A (en) * | 2013-09-10 | 2014-06-04 | 烟台启能电子科技有限公司 | Fire detection, prevention and control system of electronic control cabinet and control method thereof |
| CN105118222A (en) * | 2015-08-25 | 2015-12-02 | 苏州硅果电子有限公司 | Intelligent filtering detection type fire-fighting communication cabinet |
| CN105126275A (en) * | 2015-08-25 | 2015-12-09 | 苏州硅果电子有限公司 | Intelligent fire control type communication case |
| CN105390346A (en) * | 2015-11-12 | 2016-03-09 | 成都绿迪科技有限公司 | Novel power distribution network breaker |
| CN106178339A (en) * | 2016-08-29 | 2016-12-07 | 安徽中电兴发与鑫龙科技股份有限公司 | Extinguishing method in a kind of metal-clad moveable high-voltage switchgear extinguishing device and cabinet |
| CN106693260A (en) * | 2016-11-29 | 2017-05-24 | 青岛特来电新能源有限公司 | Charger ignition detecting and fire extinguishing system and method |
| CN107742864A (en) * | 2017-10-24 | 2018-02-27 | 镇江市益宝电气科技有限公司 | A kind of intelligent fire-proofing type bus duct for Internet of Things |
| CN108958145A (en) * | 2018-07-25 | 2018-12-07 | 泸州天灵开关有限公司 | A kind of electric control box with network communicating function and security monitoring function |
| CN110146731B (en) * | 2019-04-04 | 2021-09-14 | 国网山东省电力公司济宁供电公司 | Fire-fighting monitoring device and monitoring method for power metering box |
| CN110146731A (en) * | 2019-04-04 | 2019-08-20 | 国网山东省电力公司济宁供电公司 | A kind of electric metering box fire protection monitoring device and monitoring method |
| CN110053572A (en) * | 2019-04-29 | 2019-07-26 | 山东交通职业学院 | A kind of automobile automatic electric switch controlling device and method |
| CN111211495A (en) * | 2020-01-15 | 2020-05-29 | 湖南城市学院 | High energy-saving electrical switch cabinet |
| CN112098759A (en) * | 2020-09-21 | 2020-12-18 | 华邦创科(惠州市)智能科技有限公司 | Fault arc detection method |
| CN112419648A (en) * | 2020-09-29 | 2021-02-26 | 国网山东省电力公司冠县供电公司 | Power distribution system protection device and method |
| CN113877102A (en) * | 2021-11-10 | 2022-01-04 | 国网青海省电力公司 | Intelligent fire detection and extinguishing system based on closed switch cabinet |
| CN114534140A (en) * | 2021-12-03 | 2022-05-27 | 国网山东省电力公司临沂供电公司 | Fire extinguishing device in metal armored closed switch cabinet |
| CN114783124A (en) * | 2022-03-29 | 2022-07-22 | 浙江万可电气设备有限公司 | Linkage module of switch equipment and switch equipment |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20140321 |