CN107949239A - It is built-in with the electrical cabinet of inert gas shielding mechanism - Google Patents
It is built-in with the electrical cabinet of inert gas shielding mechanism Download PDFInfo
- Publication number
- CN107949239A CN107949239A CN201711105247.XA CN201711105247A CN107949239A CN 107949239 A CN107949239 A CN 107949239A CN 201711105247 A CN201711105247 A CN 201711105247A CN 107949239 A CN107949239 A CN 107949239A
- Authority
- CN
- China
- Prior art keywords
- electrical cabinet
- cabinet
- solenoid valve
- inert gas
- diversion pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20209—Thermal management, e.g. fan control
-
- 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
Abstract
The present invention relates to field of mechanical technique.It is built-in with the electrical cabinet of inert gas shielding mechanism; including an electrical cabinet cabinet; electrical cabinet cabinet is the electrical cabinet cabinet of a sealing; an air inlet is offered on electrical cabinet cabinet; the air storing cavity that air inlet is stored with inert gas with one is connected, and the first solenoid valve of a control gas path on-off is equipped between air inlet and air storing cavity, the exhaust outlet for discharging gas is offered on electrical cabinet cabinet; exhaust outlet connects an asepwirator pump, and the gas outlet of asepwirator pump is equipped with second solenoid valve；Electrical cabinet cabinet is provided with temperature sensor, and temperature sensor connects a microprocessor system, microprocessor system control connection asepwirator pump, the first solenoid valve, second solenoid valve.The present invention, easy to ensure the job security of component in electrical cabinet, avoids the erosion of extraneous burning things which may cause a fire disaster by monitoring the temperature conditions in electrical cabinet cabinet.
Description
Technical field
The present invention relates to field of mechanical technique, more particularly to electrical cabinet.
Background technology
Electrical cabinet is the cabinet being process by steel material for protecting component to work normally.When using unsteady flow in cabinet
Device break down or because misoperation make the current transformer short circuit occur when, the electrical discharge arc produced in cabinet is likely to naked light occur, sternly
Explosion can be produced during weight.
Existing electrical cabinet anti-flammability is not strong, is directed to the weakness for reducing the influence aspect of explosion or naked light still in design
Link.
The content of the invention
It is an object of the present invention to provide the electrical cabinet for being built-in with inert gas shielding mechanism, to solve above-mentioned at least one
A technical problem.
Technical problem solved by the invention can be realized using following technical scheme：
It is built-in with the electrical cabinet of inert gas shielding mechanism, including an electrical cabinet cabinet, it is characterised in that the electrical cabinet
Cabinet is the electrical cabinet cabinet of a sealing,
An air inlet, the air inlet and an air storing cavity phase for being stored with inert gas are offered on the electrical cabinet cabinet
Connect, the first solenoid valve equipped with a control gas path on-off between the air inlet and the air storing cavity, on the electrical cabinet cabinet
The exhaust outlet for discharging gas is offered, the exhaust outlet connects an asepwirator pump, and the gas outlet of the asepwirator pump is equipped with second
Solenoid valve；
The electrical cabinet cabinet is provided with temperature sensor, and the temperature sensor connects a microprocessor system, institute
State microprocessor system control and connect the asepwirator pump, first solenoid valve, the second solenoid valve.
The present invention is by monitoring the temperature conditions in electrical cabinet cabinet, easy to ensure the work safety of component in electrical cabinet
Property, when monitoring that temperature exceedes setting, microprocessor system controls the first solenoid valve to open, and introduces inert gas into electricity
In gas holder cabinet, and second solenoid valve is opened into a period of time, realize the emptying of air in electrical cabinet cabinet, closing, and then
Realize that the element of electrical cabinet is under the protection of inert gas, introduce inert gas into electrical cabinet cabinet, realize anti-flammability, one
Determine damage caused by naked light or explosion are reduced in degree.It can also avoid at the same time, the erosion of extraneous burning things which may cause a fire disaster.
The second solenoid valve is One In and Two Out solenoid valve；
The one outlet of the second solenoid valve is turned on air, another outlet and the heat dissipation of the second solenoid valve
The import conducting of device；
First solenoid valve is a Two In and One Out solenoid valve；
One import of the second solenoid valve is turned on the outlet of the radiator, the second solenoid valve another
Import is turned on the air storing cavity.
The present invention can realize the circulation to gas in electrical cabinet by optimizing the first solenoid valve, second solenoid valve
The problem of utilizing, and the cooling processing to the element in electrical cabinet realized by radiator, prevents over-heat inside.
The inert gas can be helium, nitrogen.Preferably described inert gas is nitrogen.Cost is low.
The electrical cabinet cabinet includes cabinet and door body, and the electrical cabinet cabinet is equipped with one and is used to detect door body opening and closing shape
The door sensor system of state；
The door sensor system includes door status sensor, and the signal output part of the door status sensor connects the miniature processing
The signal input part of device system.
The door body that the present invention is sensed by door sensor system is opened and closed situation, judges whether door body is in opening, works as door
After magnetic system detects that door body is opened, control asepwirator pump is opened, and control second solenoid valve is turned on air, by electrical cabinet cabinet
Interior air is discharged into air.
The radiator include one be used for inert gas flow through the first diversion pipe, one be used for convey heat transmission cooling water
Second diversion pipe, is arranged with second diversion pipe outside first diversion pipe, with the inner wall of second diversion pipe with it is described
Gap between the outer wall of first diversion pipe is as the passage for conveying heat transmission cooling water；
The water conservancy diversion direction of first diversion pipe is in the shape of a spiral；
Using one end of the first diversion pipe as the air inlet of the radiator, using the other end of first diversion pipe to be described
The gas outlet of radiator；
Radiating fin is welded with the outer wall of first diversion pipe.
The present invention is by optimizing the structure of radiator, and by the water conservancy diversion direction of the first diversion pipe in the shape of a spiral, control takes
While volume, ensure water conservancy diversion direction length, be easy to ensure heat dissipation effect.
The radiating fin is equipped with notch.It is cost-effective.
The radiating fin is inclined at the outer wall of the first diversion pipe, and the incline direction of the radiating fin and second
The water conservancy diversion direction of diversion pipe is opposite.
Increase flow resistance.
The temperature sensor is a radio temperature sensor, and the radio temperature sensor is equipped with two, and two wireless
Temperature sensor is fixed on same stent；
Be fixed with the inside of the door body channeling direction be vertical direction guide rail, the stent be fixed on one with it is described
On the sliding block that guide rail is slidably connected；
The lower end of the sliding block is connected with the top of an electric telescopic rod, the bottom of the electric telescopic rod and the door body
It is fixedly linked, the telescopic direction of the electric telescopic rod is vertical direction.
The present invention drives sliding block by optimizing traditional fixed temperature sensor, the present invention by electric telescopic rod
Move up and down, and then realize that radio temperature sensor is arranged on different orientation, realize to the multi-faceted of electrical cabinet internal temperature
Detection.In addition, radio temperature sensor of the present invention is chosen for two, easy to be found in time during single break down, and carry out more
Change.
What is referred on the inside of the door body of this patent meaning is exactly the lumen side that door body is surrounded close to babinet and door body.
An ash retaining cover is fixed with the inside of the door body, the ash retaining cover surrounds one with the door body and is used to accommodate electronic stretch
Contracting bar, guide rail, the space of radio temperature sensor；
The ash retaining cover is equipped with the strip opening that a length direction is vertical direction, two radio temperature sensor longitudinal directions
Arrangement, and the monitoring direction of the radio temperature sensor is towards the strip opening.
The present invention is by equipped with an ash retaining cover, preventing dust to be adhered to radio temperature sensor sensitive surface, influencing sensing essence
Degree.In addition, by ash retaining cover, the electric wire for preventing electric telescopic rod from being influenced in lifting process in electrical cabinet, is caused to electric wire
Towing.
The air inlet connects an appendix, and the outlet side of the appendix is fixed on the sliding block.
When temperature sensor monitors after the temperature of different azimuth, if a certain orientation temperature drift, by efferent duct, directly
Connect and source of the gas is delivered at high temperature, accelerate radiating rate.
The inner surface of the electrical cabinet cabinet is coated with a flame retardant coating, and the flame retardant coating includes following mass percent
Raw material：15%~20% polyurethane resin, 20%~30% expanded perlite, 10%~20% aeroge, 2%~5% glue
Tie agent, 1%~2% antimitotic agent, 1%~3% ceramic fibre, 1%~3% polyisobutylene succinamide, 20%~30%
Carbonated water.
Proportioning of the invention by optimizing flame retardant coating, realizes anti-flammability.The present invention ensures resistance by having additional aeroge
While firing the self-strength of coating, by the micropore of aeroge, easy to the infiltration of ceramic fibre, increase intensity, in carbonated water
Carbon dioxide penetrate into aeroge micropore in, further, improve fire protecting performance.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of the present invention；
Fig. 2 is the sectional view of the first diversion pipe and the second diversion pipe of the invention radially；
Fig. 3 is the part-structure schematic diagram of radiator of the present invention；
Fig. 4 is the part-structure schematic diagram of guide rail of the present invention and sliding block；
Fig. 5 is the phantom of radiator of the present invention；
Fig. 6 is a kind of structure diagram of radiator of the present invention.
Embodiment
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention easy to understand, tie below
Conjunction is specifically illustrating that the present invention is further explained.
Referring to Fig. 1, Fig. 2, Fig. 3, the electrical cabinet of inert gas shielding mechanism, including an electrical cabinet cabinet 1 are built-in with, electrically
Cabinet cabinet 1 is the electrical cabinet cabinet 1 of a sealing, and an air inlet is offered on electrical cabinet cabinet 1, and air inlet and one are stored with inertia
The air storing cavity 7 of gas is connected, and the first solenoid valve 6 of a control gas path on-off, electrical cabinet cabinet are equipped between air inlet and air storing cavity 7
The exhaust outlet for discharging gas is offered on body 1, exhaust outlet connects an asepwirator pump 3, and the gas outlet of asepwirator pump 3 is equipped with the second electricity
Magnet valve 4；Electrical cabinet cabinet 1 is provided with temperature sensor, and temperature sensor connects a microprocessor system, microprocessor system
System control connection asepwirator pump 3, the first solenoid valve 6, second solenoid valve 4.The present invention is by monitoring the temperature feelings in electrical cabinet cabinet 1
Condition, easy to ensure the job security of component in electrical cabinet, when monitoring that temperature exceedes setting, microprocessor system
Control the first solenoid valve 6 to open, introduce inert gas into electrical cabinet cabinet 1, and second solenoid valve 4 is opened into a period of time,
Realize the emptying of air in electrical cabinet cabinet 1, closing, and then realize that the element of electrical cabinet is under the protection of inert gas,
Introduce inert gas into electrical cabinet cabinet 1, realize anti-flammability, reduce damage caused by naked light or explosion to a certain extent.
It can also avoid at the same time, the erosion of extraneous burning things which may cause a fire disaster.
Second solenoid valve 4 is One In and Two Out solenoid valve；The one outlet of second solenoid valve 4 is turned on air, the second electromagnetism
Another outlet of valve 4 is turned on the import of a radiator 5；First solenoid valve 6 is a Two In and One Out solenoid valve；Second solenoid valve
4 import is turned on the outlet of radiator 5, and another import and the air storing cavity 7 of second solenoid valve 4 turn on.The present invention is logical
The first solenoid valve 6 of optimization, second solenoid valve 4 are crossed, and then can realize and gas in electrical cabinet is recycled, and passes through heat dissipation
Device 5 realizes the problem of cooling to the element in electrical cabinet handles, prevents over-heat inside.
Inert gas can be helium, nitrogen.Preferably inert gas is nitrogen.Cost is low.
Electrical cabinet cabinet 1 includes cabinet and door body 2, and electrical cabinet cabinet 1 is equipped with one and is used to detect 2 open and-shut mode of door body
Door sensor system；Door sensor system includes door status sensor, the signal output part connection microprocessor system of door status sensor
Signal input part.The 2 opening and closing situation of door body that the present invention is sensed by door sensor system, judges whether door body 2 is in opening,
After door sensor system detectio is opened to door body 2, control asepwirator pump 3 is opened, and control second solenoid valve 4 is turned on air, by electricity
Air in gas holder cabinet 1 is discharged into air.
Radiator 5 includes one and is used to convey heat transmission cooling water for the first diversion pipe 51, one that inert gas flows through
Second diversion pipe 52, the first diversion pipe 51 is arranged with the second diversion pipe 52 outside, with the inner wall and the first water conservancy diversion of the second diversion pipe 52
Gap between the outer wall of pipe 51 is as the passage for conveying heat transmission cooling water；The water conservancy diversion direction of first diversion pipe 51 is in spiral shell
Revolve shape；Using one end of the first diversion pipe 51 as the air inlet of radiator 5, using the other end of the first diversion pipe 51 as radiator 5
Gas outlet；Radiating fin 53 is welded with the outer wall of first diversion pipe 51.Structure of the invention by optimizing radiator 5, passes through
The water conservancy diversion direction of first diversion pipe 51 in the shape of a spiral, while control takes volume, ensures water conservancy diversion direction length, is easy to ensure to dissipate
Thermal effect.The both ends of second diversion pipe 52 are respectively water inlet 54 and water outlet 55.
Radiating fin 53 is equipped with notch.It is cost-effective.
Radiating fin 53 is inclined at the outer wall of the first diversion pipe 51, and the incline direction of radiating fin and the second water conservancy diversion
The water conservancy diversion direction of pipe 52 is opposite.Increase flow resistance.
Temperature sensor is a radio temperature sensor 10, and radio temperature sensor 10 is equipped with two, two wireless temperatures
Sensor is fixed on same stent 9；The inner side of door body 2 is fixed with the guide rail 8 that a channeling direction is vertical direction, and stent 9 is solid
It is scheduled on a sliding block 11 being slidably connected with guide rail 8；The lower end of sliding block 11 is connected with the top of an electric telescopic rod 12, electronic to stretch
The bottom of contracting bar is fixedly linked with door body 2, and the telescopic direction of electric telescopic rod 12 is vertical direction.The present invention is by optimizing tradition
Fixed temperature sensor, the present invention driven the up and down motion of sliding block by electric telescopic rod, and then realizes wireless temperature
Sensor is arranged on different orientation, realizes the multi-faceted detection to electrical cabinet internal temperature.In addition, wireless temperature of the present invention passes
Sensor is chosen for two, easy to be found in time during single break down, and is replaced.The inner side of door body 2 of this patent meaning refers to
The lumen side that to be exactly door body 2 surround close to babinet and door body 2.
The through hole for being embedded in bearing is offered on sliding block, bearing is fixed in groove, and the inner ring of bearing is fixed with a spiral shell
Mother, the inner wall of nut are coated with an equadag coating；The screw rod being connected with nut thread is fixed with the inside of door body.Further, carry
The lifting stability of high electric telescopic rod.
The inner side of door body 2 is fixed with an ash retaining cover 13, ash retaining cover 13 and door body 2 surround one be used to accommodating electric telescopic rod,
The space of guide rail 8, radio temperature sensor；Strip opening 14 of the ash retaining cover equipped with a length direction for vertical direction, two
Radio temperature sensor longitudinal arrangement, and the monitoring direction of radio temperature sensor is towards strip opening 14.The present invention is by setting
There is an ash retaining cover, prevent dust to be adhered to radio temperature sensor sensitive surface, influence induction precision.In addition, by ash retaining cover, prevent
Only electric telescopic rod influences the electric wire in electrical cabinet in lifting process, causes the towing to electric wire.
Air inlet connects an appendix, and the outlet side of appendix is fixed on sliding block.The difference when temperature sensor monitors
After the temperature in orientation, if source of the gas, by efferent duct, is directly delivered at high temperature by a certain orientation temperature drift, accelerate heat dissipation
Speed.
The inner surface of electrical cabinet cabinet 1 is coated with a flame retardant coating, and flame retardant coating includes the raw material of following mass percent：
15%~20% polyurethane resin, 20%~30% expanded perlite, 10%~20% aeroge, 2%~5% binding agent,
1%~2% antimitotic agent, 1%~3% ceramic fibre, 1%~3% polyisobutylene succinamide, 20%~30% carbonic acid
Water.Proportioning of the invention by optimizing flame retardant coating, realizes anti-flammability.The present invention ensures fire-retardant painting by having additional aeroge
While the self-strength of layer, by the micropore of aeroge, easy to the infiltration of ceramic fibre, increase intensity, two in carbonated water
Carbon oxide gas are penetrated into the micropore of aeroge, further, improve fire protecting performance.Flame retardant coating includes following mass percent
Raw material：20% polyurethane resin, 20% expanded perlite, 20% aeroge, 5% binding agent, 2% antimitotic agent, 2% ceramics are fine
Dimension, 1% polyisobutylene succinamide, 30% carbonated water.Excellent fireproof performance, and the lighting processing of coating.Carbonated water
Interior carbon dioxide is encapsulated in the micropore in coating.
The basic principles, main features and the advantages of the invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. the electrical cabinet of inert gas shielding mechanism is built-in with, including an electrical cabinet cabinet, it is characterised in that the electrical cabinet cabinet
Body is the electrical cabinet cabinet of a sealing,
An air inlet is offered on the electrical cabinet cabinet, the air storing cavity that the air inlet is stored with inert gas with one is connected,
The first solenoid valve of a control gas path on-off is equipped between the air inlet and the air storing cavity, is opened up on the electrical cabinet cabinet
The exhaust outlet of discharge gas is useful for, the exhaust outlet connects an asepwirator pump, and the gas outlet of the asepwirator pump is equipped with the second electromagnetism
Valve；
The electrical cabinet cabinet is provided with temperature sensor, and the temperature sensor connects a microprocessor system, described micro-
The control of type processor system connects the asepwirator pump, first solenoid valve, the second solenoid valve.
2. the electrical cabinet according to claim 1 for being built-in with inert gas shielding mechanism, it is characterised in that second electricity
Magnet valve is One In and Two Out solenoid valve；
The one outlet of the second solenoid valve is turned on air, another outlet and the radiator of the second solenoid valve
Import turns on；
First solenoid valve is a Two In and One Out solenoid valve；
One import of the second solenoid valve is turned on the outlet of the radiator, another import of the second solenoid valve
Turned on the air storing cavity.
3. the electrical cabinet according to claim 1 for being built-in with inert gas shielding mechanism, it is characterised in that the indifferent gas
Body is helium or nitrogen.
4. the electrical cabinet according to claim 1 for being built-in with inert gas shielding mechanism, it is characterised in that the electrical cabinet
Cabinet includes cabinet and door body, and the electrical cabinet cabinet is equipped with a door sensor system for being used to detect door body open and-shut mode；
The door sensor system includes door status sensor, and the signal output part of the door status sensor connects the microprocessor system
The signal input part of system.
5. the electrical cabinet according to claim 2 for being built-in with inert gas shielding mechanism, it is characterised in that the radiator
It is used for the first diversion pipe, one that inert gas flows through including one and is used to conveying the second diversion pipe of heat transmission cooling water, described the
Second diversion pipe is arranged with outside one diversion pipe, with the outer wall of the inner wall of second diversion pipe and first diversion pipe it
Between gap as conveying the passage of heat transmission cooling water；
The water conservancy diversion direction of first diversion pipe is in the shape of a spiral；
Using one end of the first diversion pipe as the air inlet of the radiator, using the other end of first diversion pipe as the heat dissipation
The gas outlet of device；
Radiating fin is welded with the outer wall of first diversion pipe.
6. the electrical cabinet according to claim 5 for being built-in with inert gas shielding mechanism, it is characterised in that the radiating fin
On piece is equipped with notch.
7. the electrical cabinet according to claim 5 for being built-in with inert gas shielding mechanism, it is characterised in that the radiating fin
Piece is inclined at the outer wall of the first diversion pipe, and the water conservancy diversion direction phase of the incline direction of the radiating fin and the second diversion pipe
Instead.
8. the electrical cabinet according to claim 4 for being built-in with inert gas shielding mechanism, it is characterised in that the temperature passes
Sensor is a radio temperature sensor, and the radio temperature sensor is equipped with two, and two radio temperature sensors are fixed on together
On one stent；
The guide rail that a channeling direction is vertical direction is fixed with the inside of the door body, the stent is fixed on one and the guide rail
On the sliding block being slidably connected；
The lower end of the sliding block is connected with the top of an electric telescopic rod, and the bottom of the electric telescopic rod is fixed with the door body
It is connected, the telescopic direction of the electric telescopic rod is vertical direction.
9. the electrical cabinet according to claim 8 for being built-in with inert gas shielding mechanism, it is characterised in that the door body
Inner side is fixed with an ash retaining cover, and the ash retaining cover surrounds one with the door body and is used to accommodate electric telescopic rod, guide rail, wireless temperature
The space of sensor；
The ash retaining cover is equipped with the strip opening that a length direction is vertical direction, and two radio temperature sensors are longitudinally arranged
Cloth, and the monitoring direction of the radio temperature sensor is towards the strip opening.
10. the electrical cabinet according to claim 8 for being built-in with inert gas shielding mechanism, it is characterised in that the air inlet
Mouth one appendix of connection, the outlet side of the appendix is fixed on the sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711105247.XA CN107949239B (en) | 2017-11-10 | 2017-11-10 | It is built-in with the electrical cabinet of inert gas shielding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711105247.XA CN107949239B (en) | 2017-11-10 | 2017-11-10 | It is built-in with the electrical cabinet of inert gas shielding mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107949239A true CN107949239A (en) | 2018-04-20 |
| CN107949239B CN107949239B (en) | 2019-08-30 |
Family
ID=61934690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711105247.XA Active CN107949239B (en) | 2017-11-10 | 2017-11-10 | It is built-in with the electrical cabinet of inert gas shielding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107949239B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109661147A (en) * | 2018-11-16 | 2019-04-19 | 合肥智瑞工程科技有限公司 | A kind of distributed modular safety device for calculator room equipment |
| CN110349364A (en) * | 2019-08-20 | 2019-10-18 | 重庆南帜科技有限公司 | Low-voltage electrical fire monitoring system |
| CN111352485A (en) * | 2020-03-25 | 2020-06-30 | 漳州麻吉网络信息服务有限公司 | Signal transmission device based on internet of things |
| CN112601429A (en) * | 2020-12-24 | 2021-04-02 | 江苏新途电气设备有限公司 | Heat dissipation's electrical control cabinet floats |
| CN112979269A (en) * | 2021-02-01 | 2021-06-18 | 施斌卿 | Application of aerogel composite material in preparation of electric box body heat-insulating material |
| CN113318362A (en) * | 2021-05-21 | 2021-08-31 | 温州电力设计有限公司 | Device is remedied in short circuit spontaneous combustion of wiring in switch board |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109661147A (en) * | 2018-11-16 | 2019-04-19 | 合肥智瑞工程科技有限公司 | A kind of distributed modular safety device for calculator room equipment |
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| CN111352485A (en) * | 2020-03-25 | 2020-06-30 | 漳州麻吉网络信息服务有限公司 | Signal transmission device based on internet of things |
| CN111352485B (en) * | 2020-03-25 | 2021-06-11 | 漳州麻吉网络信息服务有限公司 | Signal transmission device based on internet of things |
| CN112601429A (en) * | 2020-12-24 | 2021-04-02 | 江苏新途电气设备有限公司 | Heat dissipation's electrical control cabinet floats |
| CN112979269A (en) * | 2021-02-01 | 2021-06-18 | 施斌卿 | Application of aerogel composite material in preparation of electric box body heat-insulating material |
| CN113318362A (en) * | 2021-05-21 | 2021-08-31 | 温州电力设计有限公司 | Device is remedied in short circuit spontaneous combustion of wiring in switch board |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107949239B (en) | 2019-08-30 |
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