CN108023296A - A kind of pressure relief apparatus of high voltage switch cabinet - Google Patents
A kind of pressure relief apparatus of high voltage switch cabinet Download PDFInfo
- Publication number
- CN108023296A CN108023296A CN201711459315.2A CN201711459315A CN108023296A CN 108023296 A CN108023296 A CN 108023296A CN 201711459315 A CN201711459315 A CN 201711459315A CN 108023296 A CN108023296 A CN 108023296A
- Authority
- CN
- China
- Prior art keywords
- switchgear
- roof
- switch cabinet
- isolation cover
- mounting base
- 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.)
- Pending
Links
Classifications
-
- 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
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- 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
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a kind of pressure relief apparatus of high voltage switch cabinet, including mounting base, switchgear is installed above the mounting base, the outer sheath of the switchgear is equipped with isolation cover, and isolation cover is fixedly mounted on the roof of mounting base, the roof of the switchgear is equipped with decompression cover, multiple buffer springs are arranged with roof inside the isolation cover, the bottom of the buffer spring is connected with buffer board jointly, and buffer board is located at the surface of decompression cover, microcontroller is installed on the lateral wall of the isolation cover, multiple installation cavitys are offered on the roof of the mounting base, the inside of each installation cavity is mounted on radiator fan, air inlet duct is offered on bottom wall inside each installation cavity.The configuration of the present invention is simple, is easy to implement, and prevents decompression cover from hurting sb.'s feelings using buffer unit, reduces its danger, while the heat of inside switch cabinet is discharged in time, protects the normal work of inside switch cabinet electronic component.
Description
Technical field
The present invention relates to electric switch technical field, more particularly to a kind of pressure relief apparatus of high voltage switch cabinet.
Background technology
At present in electric system, middle exchange closing high-tension switch gear, including cabinet, above the bus-bar room of cabinet
Decompression cover is set, and decompression cover is connected with bus-bar room by plastic screw.Its purpose is that there is any short trouble in bus-bar room, lead
When cause busbar chamber internal pressure increased dramatically, decompression cover can be rushed to open, and then the purpose of cabinet internal pressure relief, be ensured high
Compress switch the safe for operation of cabinet.Though this kind of pressure relief device can cause the reduction of busbar room pressure in failure, equipment safety is ensured,
If but have personnel in switchgear house at this time, it is easily enough to operating personnel into security risk；Synthesis, this kind of high-tension switch cabinet has following
Defect：
First, causing pressure to increase in bus-bar room failure, when decompression cover is rushed out, decompression cover can fly in switchgear house civil strike, easily
Injure by a crashing object or smash miscellaneous equipment, such as have operator on duty at this time in switchgear house, security risk easily is formed to operating personnel；
Second, decompression cover integrally completely encloses bus-bar room, it is unfavorable for the heat dissipation of switchgear, the safe operation to switchgear is not
Profit.
The content of the invention
Easily hurt sb.'s feelings the purpose of the present invention is to solve switchgear pressure relief equipment in the prior art and radiate inconvenience ask
Topic, and a kind of pressure relief apparatus of high voltage switch cabinet proposed.
To achieve these goals, present invention employs following technical solution：
A kind of pressure relief apparatus of high voltage switch cabinet, including mounting base, are provided with switchgear, the switchgear above the mounting base
Outer sheath be equipped with isolation cover, and isolation cover is fixedly mounted on the roof of mounting base, and the roof of the switchgear, which is equipped with, to be let out
Gland, is arranged with multiple buffer springs on the roof inside the isolation cover, the bottom of the buffer spring is connected with jointly
Buffer board, and buffer board is located at the surface of decompression cover, and microcontroller, the mounting base are provided with the lateral wall of the isolation cover
Roof on offer multiple installation cavitys, the inside of each installation cavity is mounted on radiator fan, each installation cavity
Offer air inlet duct on internal bottom wall, and the one end of air inlet duct away from installation cavity is connected with the outside of mounting base, it is described every
From temperature sensor is provided with the roof inside cover, thermovent, Mei Gesuo are offered on the side wall of the switchgear side
State it is closed on thermovent thermally conductive sheet is installed, protection is installed between the lateral wall of the switchgear and the madial wall of isolation cover
Plate.
Preferably, multiple heat emission holes are offered on the roof of the protective plate and isolation cover, the protective plate, which is located at, to be opened
Close the top of cabinet lateral wall.
Preferably, the output terminal of the temperature sensor is electrically connected with the input terminal of microcontroller, the output of the microcontroller
End is electrically connected with the input terminal of radiator fan, the input terminal of the temperature sensor, microcontroller and radiator fan equally with it is external
The output terminal of power supply is electrically connected.
Preferably, the temperature sensor is PT100 temperature sensors, and the microcontroller is programmable 80C51 microcontrollers,
The thermally conductive sheet is XK-SF35 high pressure resistant insulation thermally conductive sheets.
Preferably, the radiator fan is symmetrically distributed in the side of switchgear.
Preferably, gathering hole is offered on the side wall of the isolation cover side, two are symmetrically hinged with the gathering hole
Sealing door-plat, is fitted with sealing strip on the side wall of two sealing door-plat sides.
In the present invention, when decompression cover is rushed to open, decompression cover ejection is on buffer board, and buffer spring is by the kinetic energy of decompression cover
Absorb, while protective plate prevents decompression cover from dropping, the heat produced in switchgear is come out by thermally conductive sheet, temperature sensor
Temperature in moment monitoring isolation cover, and signal is passed into microcontroller, when temperature is above standard value, microcontroller opens heat dissipation
Fan radiates isolation cover inside.The configuration of the present invention is simple, is easy to implement, and prevents decompression cover from hurting sb.'s feelings using buffer unit,
It is dangerous to reduce it, while the heat of inside switch cabinet is discharged in time, protects inside switch cabinet electronic component
Normal work.
Brief description of the drawings
Fig. 1 is a kind of positive structure schematic of pressure relief apparatus of high voltage switch cabinet proposed by the present invention；
Fig. 2 is a kind of top view of pressure relief apparatus of high voltage switch cabinet proposed by the present invention.
In figure：1 mounting base, 2 switchgears, 3 isolation covers, 4 decompression covers, 5 buffer springs, 6 buffer boards, 7 microcontrollers, 8 installations
Chamber, 9 radiator fans, 10 air inlet ducts, 11 temperature sensors, 12 thermally conductive sheets, 13 protective plates.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that term " on ", " under ", "front", "rear", "left", "right", " top ",
The orientation or position relationship of the instruction such as " bottom ", " interior ", " outer " are based on orientation shown in the drawings or position relationship, merely to just
In the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.
With reference to Fig. 1-2, a kind of pressure relief apparatus of high voltage switch cabinet, including mounting base 1, the top of mounting base 1 are provided with switch
Cabinet 2, the outer sheath of switchgear 2 is equipped with isolation cover 3, and isolation cover 3 is fixedly mounted on the roof of mounting base 1, the top of switchgear 2
Wall is equipped with decompression cover 4, is arranged with multiple buffer springs 5 on the roof inside isolation cover 3, the bottom of buffer spring 5 is common
Buffer board 6 is connected with, and buffer board 6 is located at the surface of decompression cover 4, and microcontroller 7 is provided with the lateral wall of isolation cover 3, peace
Fill and offer multiple installation cavitys 8 on the roof of seat 1, the inside of each installation cavity 8 is mounted on radiator fan 9, each installation cavity 8
Air inlet duct 10 is offered on internal bottom wall, and the one end of air inlet duct 10 away from installation cavity 8 is connected with the outside of mounting base 1,
Temperature sensor 11 is installed on the roof inside isolation cover 3, offers thermovent on the side wall of 2 side of switchgear, each
It is closed on thermovent that thermally conductive sheet 12 is installed, protective plate is installed between the lateral wall of switchgear 2 and the madial wall of isolation cover 3
13。
In the present invention, multiple heat emission holes are offered on the roof of protective plate 13 and isolation cover 3, are shed easy to heat, prevented
Backplate 13 is located at the top of 2 lateral wall of switchgear, and the decompression cover 4 for preventing from being rushed to open, which drops, injures personnel by a crashing object, temperature sensor 11
Output terminal is electrically connected with the input terminal of microcontroller 7, and the output terminal of microcontroller 7 is electrically connected with the input terminal of radiator fan 9, and temperature passes
The input terminal of sensor 11, microcontroller 7 and radiator fan 9 is equally electrically connected with the output terminal of external power supply, and temperature sensor 11 is
PT100 temperature sensors, microcontroller 7 are programmable 80C51 microcontrollers, and thermally conductive sheet 12 is XK-SF35 high pressure resistant insulation heat conduction
Piece, radiator fan 9 are symmetrically distributed in the side of switchgear 2, offer gathering hole on the side wall of 3 side of isolation cover, on gathering hole
Two sealing door-plats symmetrically are hinged with, sealing strip is fitted with the side wall of two sealing door-plat sides, prevents debris from entering.
In the present invention, when decompression cover 4 is rushed to open, decompression cover 4 is launched on buffer board 6, and buffer spring 5 is by decompression cover 4
Kinetic energy absorption, while protective plate 13 prevents decompression cover 4 from dropping, and the heat produced in switchgear 2 is given out by thermally conductive sheet 12
Come, the temperature in 11 moment of temperature sensor monitoring isolation cover 3, and passes to microcontroller 7 by signal, when temperature is above standard value
When, microcontroller 7 opens radiator fan 9 to radiating inside isolation cover 3.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of pressure relief apparatus of high voltage switch cabinet, including mounting base（1）, it is characterised in that：The mounting base（1）Top installation
There is switchgear（2）, the switchgear（2）Outer sheath be equipped with isolation cover（3）, and isolation cover（3）It is fixedly mounted on mounting base（1）
Roof on, the switchgear（2）Roof be equipped with decompression cover（4）, the isolation cover（3）It is arranged with internal roof
Multiple buffer springs（5）, the buffer spring（5）Bottom be connected with buffer board jointly（6）, and buffer board（6）Positioned at pressure release
Lid（4）Surface, the isolation cover（3）Lateral wall on microcontroller is installed（7）, the mounting base（1）Roof on open
Equipped with multiple installation cavitys（8）, each installation cavity（8）Inside be mounted on radiator fan（9）, each installation cavity
（8）Air inlet duct is offered on internal bottom wall（10）, and air inlet duct（10）Away from installation cavity（8）One end and mounting base（1）
Outside connection, the isolation cover（3）Temperature sensor is installed on internal roof（11）, the switchgear（2）Side
Thermovent is offered on side wall, it is closed on each thermovent that thermally conductive sheet is installed（12）, the switchgear（2）It is outer
Side wall and isolation cover（3）Madial wall between protective plate is installed（13）.
A kind of 2. pressure relief apparatus of high voltage switch cabinet according to claim 1, it is characterised in that：The protective plate（13）With every
From cover（3）Roof on offer multiple heat emission holes, the protective plate（13）Positioned at switchgear（2）The top of lateral wall.
A kind of 3. pressure relief apparatus of high voltage switch cabinet according to claim 1, it is characterised in that：The temperature sensor（11）
Output terminal and microcontroller（7）Input terminal be electrically connected, the microcontroller（7）Output terminal and radiator fan（9）Input terminal
It is electrically connected, the temperature sensor（11）, microcontroller（7）And radiator fan（9）Output of the input terminal equally with external power supply
End is electrically connected.
A kind of 4. pressure relief apparatus of high voltage switch cabinet according to claim 1, it is characterised in that：The temperature sensor（11）
For PT100 temperature sensors, the microcontroller（7）For programmable 80C51 microcontrollers, the thermally conductive sheet（12）It is resistance to for XK-SF35
High-voltage isulation thermally conductive sheet.
A kind of 5. pressure relief apparatus of high voltage switch cabinet according to claim 1, it is characterised in that：The radiator fan（9）It is right
Title is distributed in switchgear（2）Side.
A kind of 6. pressure relief apparatus of high voltage switch cabinet according to claim 1, it is characterised in that：The isolation cover（3）Side
Side wall on offer gathering hole, two sealing door-plats, two sealing door-plat sides are symmetrically hinged with the gathering hole
Side wall on be fitted with sealing strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711459315.2A CN108023296A (en) | 2017-12-28 | 2017-12-28 | A kind of pressure relief apparatus of high voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711459315.2A CN108023296A (en) | 2017-12-28 | 2017-12-28 | A kind of pressure relief apparatus of high voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108023296A true CN108023296A (en) | 2018-05-11 |
Family
ID=62071996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711459315.2A Pending CN108023296A (en) | 2017-12-28 | 2017-12-28 | A kind of pressure relief apparatus of high voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108023296A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111817157A (en) * | 2020-06-27 | 2020-10-23 | 合肥伏安科技有限公司 | Power switch cabinet |
| CN116646861A (en) * | 2023-05-26 | 2023-08-25 | 佛山市南海可力液压机械制造有限公司 | Pressure relief type switch cabinet based on shunt guiding internal pressure self-adaption |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2422667B1 (en) * | 1974-05-10 | 1975-10-30 | Fritz Driescher Spezialfabrik Fuer Elektrizitaetswerksbedarf, 5144 Wegberg | Ventilation device for transformer stations |
| CN201509024U (en) * | 2009-03-27 | 2010-06-16 | 珠海南自电气***工程有限公司 | Outdoor preloaded-box-type switch apparatus |
| CN103307322A (en) * | 2013-06-08 | 2013-09-18 | 苏州麦德尔机械有限公司 | Pressure relief device |
| CN206451990U (en) * | 2016-12-22 | 2017-08-29 | 广东金颖电气设备有限公司 | Switch cubicle with safety relief mechanism |
-
2017
- 2017-12-28 CN CN201711459315.2A patent/CN108023296A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2422667B1 (en) * | 1974-05-10 | 1975-10-30 | Fritz Driescher Spezialfabrik Fuer Elektrizitaetswerksbedarf, 5144 Wegberg | Ventilation device for transformer stations |
| CN201509024U (en) * | 2009-03-27 | 2010-06-16 | 珠海南自电气***工程有限公司 | Outdoor preloaded-box-type switch apparatus |
| CN103307322A (en) * | 2013-06-08 | 2013-09-18 | 苏州麦德尔机械有限公司 | Pressure relief device |
| CN206451990U (en) * | 2016-12-22 | 2017-08-29 | 广东金颖电气设备有限公司 | Switch cubicle with safety relief mechanism |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111817157A (en) * | 2020-06-27 | 2020-10-23 | 合肥伏安科技有限公司 | Power switch cabinet |
| CN111817157B (en) * | 2020-06-27 | 2022-02-22 | 裕发电气有限公司 | Power switch cabinet |
| CN116646861A (en) * | 2023-05-26 | 2023-08-25 | 佛山市南海可力液压机械制造有限公司 | Pressure relief type switch cabinet based on shunt guiding internal pressure self-adaption |
| CN116646861B (en) * | 2023-05-26 | 2024-01-09 | 广西南亚电器有限公司 | Pressure relief type switch cabinet based on shunt guiding internal pressure self-adaption |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180511 |