CN113318362A - Device is remedied in short circuit spontaneous combustion of wiring in switch board - Google Patents
Device is remedied in short circuit spontaneous combustion of wiring in switch board Download PDFInfo
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- CN113318362A CN113318362A CN202110559668.XA CN202110559668A CN113318362A CN 113318362 A CN113318362 A CN 113318362A CN 202110559668 A CN202110559668 A CN 202110559668A CN 113318362 A CN113318362 A CN 113318362A
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- short circuit
- magnetic block
- air
- guide hole
- power distribution
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a self-ignition repairing device for short circuit of a wire group in a power distribution cabinet. The invention has the following beneficial effects: the sensor integration can respond to the response subassembly of smog or flame, and when the sensor senses arbitrary group and produces smog or flame, short circuit breaker open circuit to avoid continuing the short circuit or leading to the electric leakage, thereby avoid the further expansion of accident, also be convenient for remedy.
Description
Technical Field
The invention relates to a power distribution cabinet device, in particular to a device for repairing short circuit and spontaneous combustion of a wire set in a power distribution cabinet.
Background
The switch board is the last electrical equipment of distribution system. The power distribution system distributes the electric energy of a certain circuit of the upper-level power distribution equipment to nearby loads by means of the power distribution cabinet, and the power distribution cabinet plays a role in switching on and off, controlling or protecting in the power distribution system. The switch board is the complete set distribution device who forms through certain circuit scheme with primary equipment, secondary equipment, consequently has the group to use at the internal cabinet, and the group has certain probability to lead to the circuit short circuit owing to ageing after long-term the use to cause the group spontaneous combustion accident, make the switch board destroyed, lead to the distribution user outage. If not handled in a timely manner, even fires can be initiated, resulting in even more severe losses.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a self-ignition repairing device for short circuit of a wire set in a power distribution cabinet, which can automatically monitor and timely process self-ignition accidents of the wire set.
In order to achieve the purpose, the invention provides the following technical scheme: a device for remedying short circuit spontaneous combustion of a wire group in a power distribution cabinet comprises a cabinet body, wherein a sensor used for sensing smoke or flame generated by spontaneous combustion, a fire extinguishing device used for extinguishing fire of the fired wire group and a short circuit breaker used for breaking a short circuit are arranged in the cabinet body, the fire extinguishing device comprises a sprinkler head, an air pipe, a connecting pipe, a storage tank internally provided with dry powder and a high-pressure air tank internally provided with high-pressure carbon dioxide gas, the connecting pipe is used for communicating the storage tank and the high-pressure air tank and is provided with a control valve used for controlling the opening and closing of the connecting pipe, the air pipe is used for connecting the sprinkler head with the storage tank, a driving device is further arranged on the top surface in the cabinet body, the sprinkler head is arranged on the driving device, when the sensor senses that smoke or flame is generated by any wire group, the short circuit breaker breaks the circuit of the wire group, the driving device drives the sprinkler head to move to the upper part of the wire group, and the control valve is opened, the connecting pipes are communicated, and the carbon dioxide gas in the high-pressure gas tank drives the dry powder in the storage tank to be sprayed out from the spray head so as to extinguish the flame of the line set.
The invention is further configured to: drive arrangement is including the guide rail, gas pole and solenoid valve, guide rail fixed connection is on the internal top surface of cabinet, sliding connection has the slider on the guide rail, the slider rotates connects first actuating lever, the one end of first actuating lever rotates and is connected with the second actuating lever, the one end of second actuating lever rotates and connects on the inner wall of the cabinet body, the sprinkler head is installed on the bottom surface of slider, the gas pole is installed on the inner wall of the cabinet body, and be provided with the telescopic link, the one end of telescopic link is connected on the second actuating lever, the gas pole passes through the solenoid valve and is connected with high-pressure gas pitcher, the solenoid valve is through admitting air or exhausting of control gas pole, so that the telescopic link is flexible.
The invention is further configured to: the electromagnetic valve comprises a valve body, a first electromagnet, a first magnetic block, a second electromagnet and a second magnetic block, wherein the valve body is provided with an air inlet, an air outlet, an inflation inlet, a first guide hole and a second guide hole; the second magnetic block is arranged in the second guide hole in a sliding mode, and the second electromagnet is arranged on the outer side of the second magnetic block to push the second magnetic block to be inserted into the exhaust port, so that the exhaust port is closed, or the second magnetic block is driven to move into the second guide hole to open the exhaust port.
The invention is further configured to: one end of the telescopic rod is rotatably connected with a driving block, the second driving rod is provided with a sliding groove along the length direction, and the driving block is arranged in the sliding groove in a sliding manner.
The invention is further configured to: the cabinet body is also provided with a vent and an air outlet, the sensor is arranged at the air outlet and is provided with a negative pressure cooling device, the negative pressure cooling device comprises a fan, the fan is connected with a negative pressure pipe, and the negative pressure pipe is connected with the air outlet.
The invention is further configured to: and a photoelectric sensor for sensing the position of the sprinkler head is arranged on the guide rail.
The invention is further configured to: the device also comprises a processor which is respectively and electrically connected with the sensor, the photoelectric sensor, the control valve, the electromagnetic valve and the fan.
The invention is further configured to: the exhaust port is connected with a silencer.
The invention is further configured to: the control valve comprises a shell, a third electromagnet and a third magnetic block, wherein the shell is provided with an air vent and a third guide hole, the third magnetic block is arranged in the third guide hole in a sliding mode, the third electromagnet is arranged on the bottom surface of the third guide hole to push the third magnetic block to be inserted into the air vent, and therefore the air vent is closed or the third magnetic block is driven to move into the third guide hole to open the air vent.
The invention is further configured to: the sprinkler head is a long pipe, and a plurality of sprinkling holes are uniformly distributed on the pipe body.
In conclusion, the invention has the following beneficial effects: the sensor is integrated with an induction component capable of sensing smoke or flame, when the sensor senses that smoke or flame is generated by any line group, the short circuit breaker breaks the circuit of the line group to avoid continuous short circuit or lead to electric leakage, further expansion of accidents is avoided, and convenience is brought to repair and fire extinguishment.
Drawings
FIG. 1 is a schematic diagram of a connection structure of a wire group short circuit spontaneous combustion remediation device in a power distribution cabinet;
FIG. 2 is a schematic view of a connection structure of the solenoid valve;
fig. 3 is a schematic view of a connection structure of the control valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Referring to fig. 1-3, a device for repairing short circuit and spontaneous combustion of a group in a power distribution cabinet comprises a cabinet body 1, a sensor 11 for sensing the spontaneous combustion to generate smoke or flame, a fire extinguishing device 2 for extinguishing a fire against the group of fire wires, and a short circuit breaker 12 for breaking a short circuit are arranged in the cabinet body 1, the fire extinguishing device 2 comprises a sprinkler 21, an air pipe 22, a connecting pipe 23, a storage tank 24 with dry powder and a high pressure air tank 25 with high pressure carbon dioxide gas, the connecting pipe 23 is used for connecting the storage tank 24 and the high pressure air tank 25, and is provided with a control valve 3 for controlling the opening and closing of the connecting pipe 23, the air pipe 22 is used for connecting the sprinkler 21 and the storage tank 24, a driving device 4 is further arranged on the top surface in the cabinet body 1, the sprinkler 21 is arranged on the driving device 4, and when the sensor 11 senses the smoke or flame generated by any group, the short circuit breaker 12 breaks the circuit of the group, the driving device 4 drives the sprinkler head 21 to move to the upper part of the line group, the control valve 3 is opened to enable the connecting pipe 23 to be communicated, and the carbon dioxide gas in the high-pressure gas tank 25 drives the dry powder in the storage tank 24 to be sprayed out from the sprinkler head 21 so as to extinguish the flame of the line group.
Through the scheme, the sensor 11 is integrated with the sensing assembly capable of sensing smoke or flame, when the sensor 11 senses that any line group generates smoke or flame, the short circuit breaker 12 disconnects the circuit of the line group to avoid continuous short circuit or lead to electric leakage, further expansion of accidents is avoided, remedial fire extinguishing is facilitated, the driving device 4 drives the sprinkler 21 to move to the upper side of the line group, the control valve 3 controls the connecting pipe 23 to be opened, the storage tank 24 is communicated with the high-pressure gas tank 25, carbon dioxide gas in the high-pressure gas tank 25 drives dry powder in the storage tank 24 to be sprayed out from the sprinkler 21, flame of the line group is extinguished accurately, extinguishing efficiency is improved, extinguishing speed is increased, other parts in the electrical cabinet are prevented from being damaged, loss of spontaneous combustion accidents is reduced, and the electrical cabinet is repaired conveniently.
As a modified specific embodiment, the driving device 4 includes a guide rail 41, an air lever 42 and an electromagnetic valve 5, the guide rail 41 is fixed on the top surface in the cabinet 1, a slider 43 is slidably connected on the guide rail 41, the slider 43 is rotatably connected to a first driving rod 44, one end of the first driving rod 44 is rotatably connected to a second driving rod 45, one end of the second driving rod 45 is rotatably connected to the inner wall of the cabinet 1, the sprinkler head 21 is mounted on the bottom surface of the slider 43, the air lever 42 is mounted on the inner wall of the cabinet 1 and is provided with a telescopic rod 421, one end of the telescopic rod 421 is connected to the second driving rod 45, the air lever 42 is connected to the high pressure gas tank 25 through the electromagnetic valve 5, and the electromagnetic valve 5 is used for controlling the air intake or exhaust of the air lever 42 to extend or retract the telescopic rod 421.
Through above-mentioned scheme, high-pressure gas jar 25 passes through solenoid valve 5 and for the air feed of gas pole 42, provides power through the air supply, and is clean high-efficient, and the influence of minimize spontaneous combustion to the device is deuterogamied stand-by circuit or stand-by power supply to ensure that the device can move smoothly, and can reduce use cost, through periodic replacement high-pressure gas jar 25, thereby avoid the influence of gas leakage. The electromagnetic valve 5 controls the air intake or exhaust of the air rod 42 to extend and retract the telescopic rod 421 and drive the second driving rod 45 to rotate, so as to drive the first driving rod 44 to drive the sliding block 43 to move along the length direction of the guide rail 41, so as to drive the spraying head 21 on the sliding block 43 to move above the spontaneous combustion line group in the cabinet body 1, the reaction speed is high, the working efficiency is high, and the extending length of the telescopic rod 421 is controlled by controlling the air intake amount, so as to control the position of the sliding block 43, and the positioning is accurate. The slide block 43 can obtain a large moving range through the link mechanism, and the moving speed is high, so that the flame can be extinguished as soon as possible.
As a modified specific embodiment, the electromagnetic valve 5 includes a valve body 51, a first electromagnet 52, a first magnetic block 53, a second electromagnet 54 and a second magnetic block 55, the valve body 51 is provided with an air inlet 511, an air outlet 512, an air charging port 513, a first guide hole 514 and a second guide hole 515, the air inlet 511 is connected with the high-pressure air tank 25, the air charging port 513 is connected with the air rod 42, the first magnetic block 53 is slidably disposed in the first guide hole 514, the first electromagnet 52 is mounted on the outer side of the first magnetic block 53 to push the first magnetic block 53 to be inserted into the air inlet 511, so as to close the air inlet 511, or to drive the first magnetic block 53 to move into the first guide hole 514, so as to open the air inlet 511; the second magnetic block 55 is slidably disposed in the second guiding hole 515, and the second electromagnet 54 is installed outside the second magnetic block 55 to push the second magnetic block 55 to be inserted into the air outlet 512, so as to close the air outlet 512, or to drive the second magnetic block 55 to move into the second guiding hole 515 to open the air outlet 512.
Through the scheme, the positive and negative electrode orientations of the first electromagnet 52 are controlled by controlling the circuit for electrifying the first electromagnet 52, so that the first magnetic block 53 is controlled to move back and forth along the length direction of the first guide hole 514 through the magnetic field to open and close the air inlet 511; the positive and negative electrode orientations of the second electromagnet 54 are controlled by controlling the circuit for electrifying the second electromagnet 54, so that the second magnetic block 55 is controlled to move back and forth along the length direction of the second guide hole 515 through the magnetic field to open and close the exhaust port 512, the electromagnetic drive reaction speed is high, the opening and closing interval is short, and the control is easy.
As a modified specific embodiment, a driving block 422 is rotatably connected to one end of the telescopic rod 421, a sliding slot 451 is formed in the second driving rod 45 along the length direction, and the driving block 422 is slidably disposed in the sliding slot 451.
Through above-mentioned scheme, can be with gas pole 42 fixed mounting, telescopic link 421 is flexible, drives the length direction removal of drive block 422 along spout 451 to drive second actuating lever 45 and rotate, can move longer distance with telescopic link 421 with less flexible stroke drive slider 43.
As a modified specific embodiment, the cabinet body 1 is further provided with a vent 13 and an air outlet 14, the sensor 11 is disposed at the air outlet 14 and is provided with the negative pressure cooling device 7, the negative pressure cooling device 7 includes a fan 71, the fan 71 is connected with a negative pressure pipe 72, and the negative pressure pipe 72 is connected with the air outlet 14.
Through above-mentioned scheme, guide the air current through fan 71 for form the negative pressure in the cabinet body 1, and have good radiating effect, so that reduce the temperature in the cabinet body 1, reduce the possibility of spontaneous combustion. The sensor 11 is arranged at the air outlet 14, so that the sensor 11 can rapidly sense the smoke after the line group is self-ignited, the extinguishing reaction speed is accelerated, and the harm of the line group self-ignition is reduced.
As a modified embodiment, a photoelectric sensor 411 for sensing the position of the sprinkler head 21 is provided on the guide rail 41.
Through the scheme, the photoelectric sensor 411 determines the position of the sprinkler head 21 by determining the position of the slider 43, so that adjustment is facilitated, the sprinkler head 21 is ensured to stay at the corresponding position, and the accuracy of extinguishing the spontaneous combustion line group is improved.
As a modified specific embodiment, a processor 15 is further included, and the processor 15 is electrically connected with the sensor 11, the photoelectric sensor 411, the control valve 3, the electromagnetic valve 5 and the fan 71 respectively.
Through the scheme, the processor 15 controls and coordinates operations uniformly, and the device can be better used.
As a modified embodiment, a muffler 6 is connected to the exhaust port 512.
Through above-mentioned scheme, avoid exhausting sound too big, lead to forming the noise.
As a modified specific embodiment, the control valve 3 includes a housing 31, a third electromagnet 32 and a third magnetic block 33, the housing 31 is provided with a vent hole 311 and a third guide hole 312, the third magnetic block 33 is slidably disposed in the third guide hole 312, and the third electromagnet 32 is disposed on the bottom surface of the third guide hole 312 to push the third magnetic block 33 to be inserted into the vent hole 311, so as to close the vent hole 311, or to drive the third magnetic block 33 to move into the third guide hole 312, so as to open the vent hole 311.
Through the scheme, the anode and cathode directions of the third electromagnet 32 are controlled by controlling the circuit for electrifying the third electromagnet 32, so that the third magnetic block 33 is controlled to move to open and close the vent hole 311, the electromagnetic reaction speed is high, the opening and closing can be switched rapidly, the opening and closing interval is short, and the control is easy.
As a modified embodiment, the spraying head 21 is a long pipe, and a plurality of spraying holes 211 are uniformly distributed on the pipe body.
Through the scheme, the long pipe is convenient for guiding the dry powder to be sprayed on the wire group in a concentrated manner so as to extinguish the flame as soon as possible, and a small amount of dry powder is sprayed out of the plurality of spraying holes 211 around the wire group, so that the expansion of a spontaneous combustion range is avoided.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. The utility model provides a short circuit spontaneous combustion remedy device of interior wiring of switch board, including the cabinet body (1), characterized by: be provided with in the cabinet body (1) and be used for responding to sensor (11) that spontaneous combustion produced smog or flame, be used for putting out a fire extinguishing device (2) of putting out a fire to the group that catches fire and be used for breaking short circuit's short circuit breaker (12), extinguishing device (2) are including sprinkler head (21), trachea (22), connecting pipe (23), the storage jar (24) that the built-in has dry powder and the high-pressure gas pitcher (25) that the built-in has high-pressure carbon dioxide gas, connecting pipe (23) are used for communicateing storage jar (24) and high-pressure gas pitcher (25) to be provided with and be used for controlling and open and close control valve (3) of connecting pipe (23), trachea (22) are used for connecting sprinkler head (21) and storage jar (24), still install drive arrangement (4) on the top surface in the cabinet body (1), sprinkler head (21) are installed on drive arrangement (4), when arbitrary group produced smog or flame when sensor (11) sense, the short circuit breaker (12) breaks the circuit of the line group, the driving device (4) drives the sprinkler head (21) to move to the upper part of the line group, the control valve (3) is opened to enable the connecting pipe (23) to be communicated, and the carbon dioxide gas in the high-pressure gas tank (25) drives the dry powder in the storage tank (24) to be sprayed out from the sprinkler head (21) so as to extinguish the flame of the line group.
2. The self-ignition remedy device for the short circuit of the wire group in the power distribution cabinet according to claim 1, which is characterized in that: the driving device (4) comprises a guide rail (41), an air rod (42) and an electromagnetic valve (5), the guide rail (41) is fixedly connected to the top surface in the cabinet body (1), a sliding block (43) is connected to the guide rail (41) in a sliding manner, the sliding block (43) is rotatably connected with a first driving rod (44), one end of the first driving rod (44) is rotatably connected with a second driving rod (45), one end of the second driving rod (45) is rotatably connected to the inner wall of the cabinet body (1), the sprinkler head (21) is installed on the bottom surface of the sliding block (43), the air rod (42) is installed on the inner wall of the cabinet body (1) and is provided with an expansion rod (421), one end of the expansion rod (421) is connected to the second driving rod (45), the air rod (42) is connected with a high-pressure air tank (25) through the electromagnetic valve (5), and the electromagnetic valve (5) controls air intake or exhaust of the air rod (42), so that the telescopic rod (421) can be extended and contracted.
3. The self-ignition remedy device for the short circuit of the wire group in the power distribution cabinet according to claim 2, which is characterized in that: the electromagnetic valve (5) comprises a valve body (51), a first electromagnet (52), a first magnetic block (53), a second electromagnet (54) and a second magnetic block (55), the valve body (51) is provided with an air inlet (511), an air outlet (512), an inflation inlet (513), a first guide hole (514) and a second guide hole (515), the air inlet (511) is connected with a high-pressure air tank (25), the inflation inlet (513) is connected with an air rod (42), the first magnetic block (53) is arranged in the first guide hole (514) in a sliding way, the first electromagnet (52) is arranged on the outer side of the first magnetic block (53), to push the first magnetic block (53) to be inserted into the air inlet (511) so as to close the air inlet (511), or drive the first magnetic block (53) to move towards the first guide hole (514) so as to open the air inlet (511); the second magnetic block (55) is arranged in the second guide hole (515) in a sliding mode, the second electromagnet (54) is installed on the outer side of the second magnetic block (55) to push the second magnetic block (55) to be inserted into the exhaust port (512), and therefore the exhaust port (512) is closed, or the second magnetic block (55) is driven to move towards the second guide hole (515) to open the exhaust port (512).
4. The self-ignition remedy device for the short circuit of the wire group in the power distribution cabinet according to claim 3, which is characterized in that: the one end of telescopic link (421) is gone up the rotation and is connected with drive block (422), second actuating lever (45) are provided with spout (451) along length direction, drive block (422) slide and set up in spout (451).
5. The self-ignition remedy device for the short circuit of the wire group in the power distribution cabinet according to claim 4, which is characterized in that: still be provided with vent (13) and venthole (14) on the cabinet body (1), sensor (11) set up in venthole (14) department to install negative pressure heat sink (7), negative pressure heat sink (7) are including fan (71), fan (71) are connected with negative pressure pipe (72), negative pressure pipe (72) are connected with venthole (14).
6. The self-ignition remedy device for the short circuit of the wire group in the power distribution cabinet according to claim 5, which is characterized in that: and a photoelectric sensor (411) for sensing the position of the sprinkler head (21) is arranged on the guide rail (41).
7. The self-ignition remedy device for the short circuit of the wire group in the power distribution cabinet according to claim 6, which is characterized in that: the device is characterized by further comprising a processor (15), wherein the processor (15) is electrically connected with the sensor (11), the photoelectric sensor (411), the control valve (3), the electromagnetic valve (5) and the fan (71) respectively.
8. The self-ignition remediation device for short circuit in power distribution cabinet according to claim 7, characterized in that: the exhaust port (512) is connected with a silencer (6).
9. The device for self-ignition remediation of wire group short circuit in power distribution cabinet according to any one of claims 1 to 8, wherein: the control valve (3) comprises a shell (31), a third electromagnet (32) and a third magnetic block (33), wherein the shell (31) is provided with a vent hole (311) and a third guide hole (312), the third magnetic block (33) is arranged in the third guide hole (312) in a sliding mode, the third electromagnet (32) is arranged on the bottom face of the third guide hole (312) to push the third magnetic block (33) to be inserted into the vent hole (311), so that the vent hole (311) is sealed, or the third magnetic block (33) is driven to move into the third guide hole (312) to open the vent hole (311).
10. The device for self-ignition remediation of wire group short circuit in power distribution cabinet according to any one of claims 1 to 8, wherein: the sprinkler head (21) is a long pipe, and a plurality of sprinkling holes (211) are uniformly distributed on the pipe body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110559668.XA CN113318362B (en) | 2021-05-21 | 2021-05-21 | Device is remedied in short circuit spontaneous combustion of wiring in switch board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110559668.XA CN113318362B (en) | 2021-05-21 | 2021-05-21 | Device is remedied in short circuit spontaneous combustion of wiring in switch board |
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| CN113318362A true CN113318362A (en) | 2021-08-31 |
| CN113318362B CN113318362B (en) | 2022-04-26 |
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| CN202110559668.XA Active CN113318362B (en) | 2021-05-21 | 2021-05-21 | Device is remedied in short circuit spontaneous combustion of wiring in switch board |
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| CN107362481A (en) * | 2017-06-21 | 2017-11-21 | 柳州博海科技有限公司 | A kind of self-extinguishing power distribution cabinet |
| CN207530368U (en) * | 2017-10-31 | 2018-06-22 | 天津市凯源新能电气有限公司 | A kind of moisture-proof dust-proof safe power distribution box of high efficiency and heat radiation |
| CN107949239A (en) * | 2017-11-10 | 2018-04-20 | 上海衡诚电力工程技术有限公司 | It is built-in with the electrical cabinet of inert gas shielding mechanism |
| CN107961477A (en) * | 2017-12-19 | 2018-04-27 | 嘉兴市恒创电力设备有限公司 | A kind of photovoltaic inversion integral control system |
| CN208093295U (en) * | 2018-04-26 | 2018-11-13 | 湖南天跃电气有限公司 | A kind of fire-type oil-immersed power transformer |
| CN109289142A (en) * | 2018-09-20 | 2019-02-01 | 华蓥市职业教育培训中心 | A kind of novel suspended type ultrafine dry powder extinguishing installation |
| WO2020141270A1 (en) * | 2019-01-02 | 2020-07-09 | Safran Electrical & Power | Electric distribution module split into compartments by partitions having channels for ventilation and/or the passage of control cables |
| CN210610047U (en) * | 2019-10-29 | 2020-05-22 | 安徽朗硕智能科技有限公司 | Electric appliance cabinet with self-protection function |
| CN111342359A (en) * | 2020-04-20 | 2020-06-26 | 杭州忒白电子科技有限公司 | Circuit protection device for processing short circuit and fire of distribution box |
| CN212491231U (en) * | 2020-05-13 | 2021-02-09 | 南京新唐电力工程有限公司 | High-voltage power transmission and transformation fire early warning device |
| CN212366603U (en) * | 2020-06-16 | 2021-01-15 | 南京佳剀科技有限公司 | Explosion-proof structure of high-voltage power distribution cabinet |
| CN212543052U (en) * | 2020-07-24 | 2021-02-12 | 广州市净水有限公司 | Safe fire prevention switch board |
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| CN113318362B (en) | 2022-04-26 |
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