CN215497889U - High-voltage switch ultra-low temperature protection device - Google Patents
High-voltage switch ultra-low temperature protection device Download PDFInfo
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- CN215497889U CN215497889U CN202121744946.0U CN202121744946U CN215497889U CN 215497889 U CN215497889 U CN 215497889U CN 202121744946 U CN202121744946 U CN 202121744946U CN 215497889 U CN215497889 U CN 215497889U
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- installation box
- low temperature
- pipe
- ultra
- voltage switch
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- 238000009434 installation Methods 0.000 claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- 239000011229 interlayer Substances 0.000 claims abstract description 11
- 230000001012 protector Effects 0.000 claims abstract description 8
- 238000013016 damping Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000009423 ventilation Methods 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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Abstract
The utility model discloses a high-voltage switch ultralow-temperature protection device which comprises an installation box, wherein a heating box is fixedly installed on the inner top wall of the installation box, gas pipes are arranged on the surfaces of two sides of the heating box, an exhaust pipe is arranged on the lower surface of the installation box, one ends of the two gas pipes, which are far away from the heating box, are fixedly connected with the exhaust pipe through a three-way pipe, a ventilation pipe is arranged on the upper surface of the installation box, a fan is arranged in the ventilation pipe, and a filter screen is arranged on the inner wall of the ventilation pipe. This high pressure switch ultra-low temperature protector, through setting up fan and gas-supply pipe, the heat with the heating cabinet in under the effect of fan is carried into the gas-supply pipe and is discharged through three-way pipe and blast pipe, the heat that the gas-supply pipe was defeated to be input heaies up to the inside of install bin, and through setting up the interlayer, can keep warm to the inside of install bin, thereby make this high pressure switch ultra-low temperature protector can carry out normal operation under the environment of ultra-low temperature, the safety guarantee has been brought when having improved the device life.
Description
Technical Field
The utility model relates to the technical field of electric power, in particular to an ultralow temperature protection device for a high-voltage switch.
Background
The high-voltage switch is used for power generation, power transmission, power distribution or electric energy conversion of an electric power system, is usually arranged in a high-voltage switch cabinet, has the functions of overhead wire inlet and outlet, cable wire inlet and outlet, bus connection and the like, and is mainly suitable for various different places such as power plants, petrochemical industry, metallurgical steel rolling, light industry textile, residential quarters, high-rise buildings and the like.
The existing high-voltage switch mostly adopts SF6 gas as an insulating medium, SF6 has good insulating property, but the high-voltage switch begins to liquefy when the environmental temperature is 30 ℃ below zero, the insulating property of the high-voltage switch can be damaged, the safety of the high-voltage switch is affected, and particularly, the temperature of the high-voltage switch is as low as 40 ℃ below zero in northeast outdoor areas of China.
Therefore, the ultra-low temperature protection device for the high-voltage switch is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-voltage switch ultralow-temperature protection device to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a high-voltage switch ultra-low temperature protection device comprises an installation box, wherein a heating box is fixedly installed on the inner top wall of the installation box, gas conveying pipes are arranged on the surfaces of the two sides of the heating box, an exhaust pipe is arranged on the lower surface of the installation box, one ends of the two gas conveying pipes, far away from the heating box, are fixedly connected with the exhaust pipe through a three-way pipe, a ventilation pipe is arranged on the upper surface of the installation box, a fan is arranged in the ventilation pipe, a filter screen is arranged on the inner wall of the ventilation pipe, two buffer cylinders are fixedly installed on the upper surface of the installation box, sliding openings are formed in the upper surfaces of the buffer cylinders, a transmission rod is connected to the inner wall of each sliding block opening in a sliding manner, a limiting plate is fixedly connected to the lower end of the transmission rod, air release nozzles are arranged on the surfaces of the two buffer cylinders, a protective shell is fixedly connected to the upper ends of the two transmission rods, an installation groove is formed in the inner top wall of the installation box, a threaded rod is rotatably connected to the inner wall of the installation groove, the surface of the threaded rod is in threaded connection with a threaded block, and the lower surface of the threaded block is fixedly connected with a door plate.
Preferably, a plurality of heating wires are arranged in the heating box, and the plurality of heating wires are arranged in the heating box at equal intervals.
Preferably, the inner bottom wall of the buffer cylinder is fixedly connected with a damping spring, and the other end of the damping spring is fixedly connected with the lower surface of the limiting plate.
Preferably, the right side surface of the mounting box is rotatably connected with an operation block for rotating the threaded rod.
Preferably, the left side surface of the installation box is provided with an opening for the door panel to slide.
Preferably, the inside of install bin is provided with the interlayer, and the material of interlayer is cold-proof cotton, and the inside of install bin is provided with the switch body.
Advantageous effects
The utility model provides a high-voltage switch ultralow temperature protection device which has the following beneficial effects:
1. this high pressure switch ultra-low temperature protector, through setting up the heating cabinet, fan and gas-supply pipe, carry into the gas-supply pipe and discharge through three-way pipe and blast pipe with the heat in the heating cabinet under the effect of fan, the heat of defeated gas-supply pipe input heaies up to the inside of install bin, and through setting up the interlayer, can keep warm to the inside of install bin, thereby make this high pressure switch ultra-low temperature protector can carry out normal operation under the environment of ultra-low temperature, the safety guarantee has been brought when having improved the device life.
2. This high pressure switch ultra-low temperature protector through setting up buffer cylinder and protective housing, can protect the install bin, avoids falling down because of the pounding of foreign matter and the damage that leads to the install bin of rainwater, simultaneously, through setting up threaded rod and door plant, makes this high pressure switch ultra-low temperature protector can reach sealed effect to provide convenience for follow-up maintenance work under the effect of threaded rod and operation piece.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic view of a front cross-sectional structure of the installation box of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 4 is a perspective view of the buffer cylinder of the present invention.
In the figure: the device comprises an installation box 1, a heating box 2, a gas conveying pipe 3, a three-way pipe 4, a ventilation pipe 5, a fan 6, a filter screen 7, a buffer cylinder 8, a transmission rod 9, a limiting plate 10, a protective shell 11, a threaded rod 12, a threaded block 13, a door panel 14, a damping spring 15, an operation block 16, an interlayer 17 and a switch body 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a high-voltage switch ultra-low temperature protection device comprises an installation box 1, an interlayer 17 is arranged in the installation box 1, the interlayer 17 is made of thermal cotton, a switch body 18 is arranged in the installation box 1, the interior of the installation box 1 can be insulated by arranging the interlayer 17, so that the high-voltage switch ultra-low temperature protection device can normally operate in an ultra-low temperature environment, the service life of the device is prolonged, and safety guarantee is brought at the same time, a heating box 2 is fixedly arranged on the inner top wall of the installation box 1, a plurality of heating wires are arranged in the heating box 2, the plurality of heating wires are equidistantly arranged in the heating box 2, gas pipes 3 are arranged on the two side surfaces of the heating box 2, an exhaust pipe is arranged on the lower surface of the installation box 1, one ends of the two gas pipes 3, far away from the heating box 2, are fixedly connected with the exhaust pipe through a three-way pipe 4, and an exhaust pipe 5 is arranged on the upper surface of the installation box 1, a fan 6 is provided inside the ventilation duct 5.
Through setting up heating cabinet 2, fan 6 and gas-supply pipe 3, the heat with in the heating cabinet 2 is defeated to advance gas-supply pipe 3 and is discharged through three-way pipe 4 and blast pipe under the effect of fan 6, the defeated heat of inputing of gas-supply pipe 3 heats up to the inside of installing cabinet 1, the inner wall of ventilation pipe 5 is provided with filter screen 7, the last fixed surface of installing cabinet 1 installs two buffer tube 8, the slip opening has been seted up to buffer tube 8's upper surface, slider open-ended inner wall sliding connection has transfer line 9, the lower extreme fixedly connected with limiting plate 10 of transfer line 9, the interior diapire fixedly connected with damping spring 15 of buffer tube 8, damping spring 15's the other end and the lower fixed surface of limiting plate 10 are connected, the surface of two buffer tube 8 all is provided with the mouth that loses heart, the upper end fixedly connected with protective housing 11 of two transfer lines 9.
Through setting up buffer cylinder 8 and protective housing 11, can protect install bin 1, avoid leading to the damage of install bin 1 because of the erosion of smashing the falling and rainwater of foreign matter, the mounting groove has been seted up to the interior roof of install bin 1, the inner wall of mounting groove rotates and is connected with threaded rod 12, the right side surface of install bin 1 rotates and is connected with the operation piece 16 that is used for rotating threaded rod 12, threaded rod 12's surface threaded connection has thread piece 13, thread piece 13's lower fixed surface is connected with door plant 14, install bin 1's left side surface is seted up and is supplied the gliding opening of door plant 14, through setting up threaded rod 12 and door plant 14, make this high-pressure switch ultra-low temperature protection device can reach sealed effect, and provide convenience for follow-up maintenance work under the effect of threaded rod 12 and operation piece 16.
The working principle is as follows: when the device is used, heat in the heating box 2 is conveyed into the air conveying pipe 3 under the action of the fan 6 and is discharged through the three-way pipe 4 and the exhaust pipe, the heat conveyed and input by the air conveying pipe 3 heats the inside of the installation box 1, and the inside of the installation box 1 can be insulated under the action of the interlayer 17, so that the high-pressure switch ultralow-temperature protection device can normally operate under an ultralow-temperature environment, the service life of the device is prolonged, safety guarantee is brought, the installation box 1 can be protected under the action of the buffer cylinder 8 and the protection shell 11, impact force caused by foreign matters falling on the protection shell 11 is transmitted to the damping spring 15 through the transmission rod 9, the impact force is counteracted by reaction force generated after the damping spring 15 is pressed, the threaded rod 12 is driven to rotate by the rotating operation block 16, the threaded block 13 drives the door panel 14 to horizontally move with the inner wall of the installation box 1 under the rotation of the threaded rod 12, make this high tension switchgear ultra-low temperature protector can reach sealed effect and facilitate for follow-up maintenance work simultaneously.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high tension switchgear ultra-low temperature protector, includes install bin (1), its characterized in that: the inner top wall of the installation box (1) is fixedly provided with a heating box (2), the surfaces of two sides of the heating box (2) are respectively provided with a gas pipe (3), the lower surface of the installation box (1) is provided with a gas exhaust pipe, one end of each of the two gas pipes (3) far away from the heating box (2) is fixedly connected with the gas exhaust pipe through a three-way pipe (4), the upper surface of the installation box (1) is provided with a vent pipe (5), a fan (6) is arranged inside the vent pipe (5), the inner wall of the vent pipe (5) is provided with a filter screen (7), the upper surface of the installation box (1) is fixedly provided with two buffer cylinders (8), the upper surface of each buffer cylinder (8) is provided with a sliding opening, the inner wall of the sliding block opening is slidably connected with a transmission rod (9), the lower end of the transmission rod (9) is fixedly connected with a limiting plate (10), and the surfaces of the two buffer cylinders (8) are respectively provided with a gas release nozzle, the upper end fixedly connected with protective housing (11) of two transfer lines (9), the mounting groove has been seted up to the interior roof of install bin (1), and the inner wall of mounting groove rotates and is connected with threaded rod (12), and the surface thread of threaded rod (12) is connected with screw block (13), and the lower fixed surface of screw block (13) is connected with door plant (14).
2. The ultra-low temperature protection device for the high-voltage switch as claimed in claim 1, wherein: the inside of heating cabinet (2) is provided with a plurality of heating wire, and a plurality of heating wire equidistance sets up the inside at heating cabinet (2).
3. The ultra-low temperature protection device for the high-voltage switch as claimed in claim 1, wherein: the inner bottom wall of the buffer cylinder (8) is fixedly connected with a damping spring (15), and the other end of the damping spring (15) is fixedly connected with the lower surface of the limiting plate (10).
4. The ultra-low temperature protection device for the high-voltage switch as claimed in claim 1, wherein: the right side surface of the installation box (1) is rotatably connected with an operation block (16) used for rotating the threaded rod (12).
5. The ultra-low temperature protection device for the high-voltage switch as claimed in claim 1, wherein: an opening for the door panel (14) to slide is formed in the left side surface of the installation box (1).
6. The ultra-low temperature protection device for the high-voltage switch as claimed in claim 1, wherein: an interlayer (17) is arranged inside the installation box (1), the interlayer (17) is made of warm cotton, and a switch body (18) is arranged inside the installation box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121744946.0U CN215497889U (en) | 2021-07-29 | 2021-07-29 | High-voltage switch ultra-low temperature protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121744946.0U CN215497889U (en) | 2021-07-29 | 2021-07-29 | High-voltage switch ultra-low temperature protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215497889U true CN215497889U (en) | 2022-01-11 |
Family
ID=79753108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121744946.0U Expired - Fee Related CN215497889U (en) | 2021-07-29 | 2021-07-29 | High-voltage switch ultra-low temperature protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215497889U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115172965A (en) * | 2022-09-08 | 2022-10-11 | 天津博顿电子有限公司 | Battery safety protection device for electric automobile |
-
2021
- 2021-07-29 CN CN202121744946.0U patent/CN215497889U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115172965A (en) * | 2022-09-08 | 2022-10-11 | 天津博顿电子有限公司 | Battery safety protection device for electric automobile |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220111 |