CN207165946U - A kind of high-tension switch cabinet - Google Patents
A kind of high-tension switch cabinet Download PDFInfo
- Publication number
- CN207165946U CN207165946U CN201721244641.7U CN201721244641U CN207165946U CN 207165946 U CN207165946 U CN 207165946U CN 201721244641 U CN201721244641 U CN 201721244641U CN 207165946 U CN207165946 U CN 207165946U
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- CN
- China
- Prior art keywords
- cover
- cabinet
- plate
- pressure release
- cover plate
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- 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.)
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Abstract
The utility model discloses a kind of high-tension switch cabinet, including cabinet, in addition to the pressure relief device at the top of cabinet；The pressure relief device includes being arranged on pressure release cover, cover plate and the protective frame at the top of cabinet；Protective frame includes positioned at middle baffle plate and is connected in the connecting plate at baffle plate both ends；The connecting plate is connected at the top of the cabinet；Pressure release cover is installed immediately below the baffle plate, multiple relief holes are uniformly provided with the pressure release cover；A cover plate for being used to seal the relief hole is stamped on pressure release cover；Attracted each other between the pressure release cover and the cover plate by magnetic force；When arc fault occurs in cabinet, cover plate by cabinet internal pressure, open by the relief hole from rushing pressure release cover top, and cover plate is by the baffle limiting.The utility model its there is the repeatable pressure relief device utilized.
Description
Technical field
High-tension switch cabinet is the utility model is related to, especially a kind of high-tension switch cabinet of repeatable pressure release.
Background technology
High-tension switch cabinet is 3 to be commonly called as to 35KV metal enclosed switchgears, by primary cut-out, transformer, contactor,
The devices such as the measurement apparatus such as transformer, control device, protection device and communication system are placed in a metal shell.
Increased sharply with the usage quantity of high-tension switch cabinet, there is millions switch cubicle to put into operation every year, therefore
People increasingly pay attention to the security of high-tension switch cabinet.Inside switch cabinet arc fault is a kind of frequent, catastrophic tight
Weight failure, interior unit cell model can give off the energy such as huge sound, light, electricity, high-tension switch cabinet can be caused to damage once occurring
Even set off an explosion, staff on the scene may be made to come to harm or even make building damage.
The pressure relief plate of existing high-tension switch cabinet is connected in the top of switch cubicle, when arc fault occurs, is tied at pressure relief plate
Structure low intensity, by way of pressure relief plate damage, high-tension switch cabinet body is protected, it is necessary to re-replace the pressure relief plate of switch cubicle,
Need to put into the manpower more safeguarded and resource.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of high-tension switch cabinet, and it has the repeatable pressure release utilized
Device.
To reach above-mentioned purpose, the technical solution of the utility model is：A kind of high-tension switch cabinet, including cabinet, in addition to
Pressure relief device at the top of cabinet；The pressure relief device includes being arranged on pressure release cover, cover plate and the protective frame at the top of cabinet；
Protective frame includes positioned at middle baffle plate and is connected in the connecting plate at baffle plate both ends；The connecting plate is connected in the cabinet top
Portion；Pressure release cover is installed immediately below the baffle plate, multiple relief holes are uniformly provided with the pressure release cover；A use is stamped on pressure release cover
In the cover plate for sealing the relief hole；Attracted each other between the pressure release cover and the cover plate by magnetic force；When occurring in cabinet
During arc fault, cover plate by cabinet internal pressure, open by the relief hole from rushing pressure release cover top, and cover plate is by the baffle limiting.
Further improve, the pressure release cover include rectangle cover body and along cover body lower edge level towards the cover body outside
The connecting portion of portion's extension, the pressure release cover are arranged at the top of the cabinet by the connecting portion.
Further improve, the corresponding position in the cover body upper surface and the cover plate lower surface be respectively embedded into it is multigroup mutually
The magnet of attraction.
Further improve, the cover plate lower surface is provided with seal convexity, and the seal convexity is cylinder；When the cover plate
When covering the pressure release cover, the seal convexity is stretched into the relief hole.
Further improve, the seal convexity neighboring is provided with rubber layer.
Further improve, the baffle plate lower surface is provided with multiple damping springs.
Further improving, fixture block is respectively provided with the upside of the opposite two sides of connecting plate, the fixture block is wedge shape, each
The fixture block is arranged on the inner side of the connecting plate by a spring respectively；When the cover plate is rushed to open after the fixture block,
The fixture block upper surface supports the cover plate.
Further improve, the protective frame is connected on the cabinet by multigroup reinforcing plate；The reinforcing plate is inversion
" Qian " shape；The protective frame is arranged on the cabinet by the reinforcing plate across the protective frame；The two of the reinforcing plate
Side and the both sides of the cabinet are connected.
Pressure relief device internal in connection cabinet is installed, pressure relief device includes passing through magnetic force in the utility model at the top of cabinet
The pressure release cover and cover plate of connection and for preventing from cover plate from flying out causing injury to personnel or the impaired protective frame of equipment；Work as high pressure
Switch cubicle does not occur arc fault and is under normal mode of operation state, between cover plate and pressure release cover due to magnetic force effect that
This is mutually fitted close the sealing for realizing cabinet；When arc fault occurs for high-tension switch cabinet, pressure moment increase in cabinet, lid
The internal pressure that plate is born is more than magnetic force suffered by outside cover plate, and cover plate is washed open the cover plate for flying out, flying up upwards by internal pressure
By the spacing of protective frame baffle plate, prevent cover plate flies out from damaging staff's either equipment；Treat that the pressure inside cabinet is quick
After release, cover plate is covered to the sealing realized on pressure release cover to cabinet again, then internal unit is safeguarded and repaired；This
Pressure relief device in utility model being capable of Reusability, raising maintenance and the operating efficiency repaired.
Brief description of the drawings
Fig. 1 is the utility model stereogram；
Fig. 2 is the stereogram of pressure release cover in the utility model；
Fig. 3 is the stereogram of the utility model cover plate；
Fig. 4 is the stereogram of protective frame in the utility model.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Shown in Fig. 1 to Fig. 4, a kind of high-tension switch cabinet, including cabinet 1, in addition to the pressure relief device installed in the top of cabinet 1
2；The pressure relief device 2 includes being arranged on pressure release cover 21, cover plate 22 and the protective frame 23 at the top of cabinet 1；Protective frame 23 includes position
In middle baffle plate 231 and the connecting plate 232 for being connected in the both ends of baffle plate 231；The connecting plate 232 is connected in the cabinet 1 and pushed up
Portion；Pressure release cover 21 is installed immediately below the baffle plate 231, multiple relief holes 211 are uniformly provided with the pressure release cover 21；Pressure release cover
A cover plate 22 for being used to seal the relief hole 211 is stamped on 21；Pass through magnetic force between the pressure release cover 21 and the cover plate 22
Attract each other；When arc fault occurs in cabinet 1, cover plate 22 is by the pressure release from rushing the top of pressure release cover 21 of the internal pressure of cabinet 1
Hole 211 is opened, and cover plate 22 is spacing by the baffle plate 231.The pressure relief device 2 of the present embodiment includes what is connected by magnetic force
Pressure release cover 21 and cover plate 22 and for preventing from cover plate 22 from flying out causing injury to personnel or the impaired protective frame 23 of equipment；Work as height
The cabinet that compresses switch does not occur arc fault and is under normal mode of operation state, due to magnetic force between cover plate 22 and pressure release cover 21
Effect is fitted close the sealing for realizing cabinet 1 each other；When arc fault occurs for high-tension switch cabinet, pressure wink in cabinet 1
Between increase, the internal pressure that cover plate 22 is born is washed open upwards more than magnetic force, cover plate 22 suffered by outside cover plate 22 by internal pressure
Fly out, the cover plate 22 to fly up is spacing by the baffle plate 231 of protective frame 23, prevents cover plate 22 flies out from damaging staff or setting
It is standby；After the pressure quick release inside cabinet 1, cover plate 22 is covered to the sealing realized on pressure release cover 21 to cabinet 1 again, so
Internal unit is safeguarded and repaired afterwards；Pressure relief device 2 in the present embodiment can Reusability, without in the present embodiment
Pressure relief device 2 repaired, improve safeguard and maintenance operating efficiency.
Pressure release cover described in the present embodiment 21 includes rectangle cover body 212 and along the lower edge level of cover body 212 towards institute
The connecting portion 213 of the outside of cover body 212 extension is stated, the pressure release cover 21 is pushed up by the connecting portion 213 installed in the cabinet 1
Portion.The present embodiment is arranged on the top of the cabinet 1 by connecting portion 213, facilitates the installation of the present embodiment, and the present embodiment
Structure is compacter；Further preferably, the cover body 212 protrudes from the upper surface of the cabinet 1 so that cover body 212 is to pressure release
With certain guiding function.
The corresponding position in the upper surface of cover body 212 described in the present embodiment and the lower surface of the cover plate 22 is respectively embedded into multigroup
The magnet 3 to attract each other, it is detachably connected between pressure release cover 21 and cover plate 22 to realize.
The lower surface of cover plate 22 described in the present embodiment is provided with seal convexity 221, and the seal convexity 221 is cylinder；When
When the cover plate 22 covers the pressure release cover 21, the seal convexity 221 is stretched into the relief hole 211, and seal convexity 221 has
There is certain guide effect, prevent from shifting between cover plate 22 and pressure release cover 21.Further preferably, the seal convexity 221
Neighboring is provided with rubber layer 222, improves the sealing of cabinet 1.
The lower surface of baffle plate 231 described in the present embodiment is provided with multiple damping springs 4.When the cover plate 22 has been rushed by air pressure
Baffle plate 231 is collided by the spacing of baffle plate 231, damping spring 4 is bumped against in the lower surface of baffle plate 231 and plays cushioning effect, subtract
Few influence of the cover plate 22 to the present embodiment structural strength.Further, the lower end of damping spring 4 is also equipped with block rubber 41, is used for
Further alleviate vibrations, cover sheet 22.
Fixture block 5 is respectively provided with the upside of the opposite two sides of connecting plate 232 described in the present embodiment, the fixture block 5 is wedge
Shape, each described fixture block 5 are arranged on the inner side of the connecting plate 232 by a spring respectively；When the cover plate 22 is rushed to open
After the fixture block 5, the upper surface of fixture block 5 supports the cover plate 22.Fixture block 5 described in the present embodiment is arranged on by one
Spring in the connecting plate 232 is connected with the connecting plate 232, when cover plate 22 is moved upwards by the impact of air pressure, lid
Plate 22 extrudes fixture block 5, and fixture block 5 is contracted to inside connecting plate 232, and when cover plate 22 is moved to the top of fixture block 5, fixture block 5 is by spring
Restoring force protrude from connecting plate 232, the upper surface of fixture block 5 supports the cover plate 22, prevents cover plate 22 from falling, and keeps pressure release cover
21 relief hole 211 is unimpeded.
Protective frame 23 described in the present embodiment is connected on the cabinet 1 by multigroup reinforcing plate 6；The reinforcing plate 6 is
Inverted " Qian " shape；The protective frame 23 is arranged on the cabinet 1 by the reinforcing plate 6 across the protective frame 23；It is described
The both sides of reinforcing plate 6 and the both sides of the cabinet 1 are connected.The impulsive force that protective frame 23 is subject to is distributed to by cabinet by reinforcing plate 6
The whole body of body 1, avoid causing cabinet 1 due to the impulsive force of cover plate 22 infringement in structure, extend the present embodiment uses the longevity
Life.
It the above is only one preferred embodiment of the utility model, those skilled in the art is made equivalent by claim
Change the protection domain for both falling within this case.
Claims (8)
1. a kind of high-tension switch cabinet, including cabinet, it is characterised in that：Also include being arranged on the pressure relief device at the top of cabinet；It is described
Pressure relief device includes being arranged on pressure release cover, cover plate and the protective frame at the top of cabinet；Protective frame is including positioned at middle baffle plate and admittedly
It is connected in the connecting plate at baffle plate both ends；The connecting plate is connected at the top of the cabinet；Pressure release cover is installed immediately below the baffle plate,
Multiple relief holes are uniformly provided with the pressure release cover；A cover plate for being used to seal the relief hole is stamped on pressure release cover；It is described to let out
Attracted each other between pressure cover and the cover plate by magnetic force；When arc fault occurs in cabinet, cover plate is by cabinet internal pressure
Relief hole is opened from rushing pressure release cover top, and cover plate is by the baffle limiting.
A kind of 2. high-tension switch cabinet according to claim 1, it is characterised in that：The pressure release cover include rectangle cover body and
The connecting portion of extension, the pressure release cover are arranged on by the connecting portion outside along cover body lower edge level towards the cover body
At the top of the cabinet.
A kind of 3. high-tension switch cabinet according to claim 2, it is characterised in that：Under the cover body upper surface and the cover plate
The corresponding position in end face is respectively embedded into multigroup magnet to attract each other.
A kind of 4. high-tension switch cabinet according to claim 1, it is characterised in that：It is convex that the cover plate lower surface is provided with sealing
Rise, the seal convexity is cylinder；When pressure release cover is stated in the cover plate lid residence, the seal convexity stretches into the relief hole
It is interior.
A kind of 5. high-tension switch cabinet according to claim 4, it is characterised in that：The seal convexity neighboring is provided with rubber
Layer.
A kind of 6. high-tension switch cabinet according to claim 1, it is characterised in that：The baffle plate lower surface is provided with multiple dampings
Spring.
A kind of 7. high-tension switch cabinet according to claim 1, it is characterised in that：The upside on the opposite two sides of connecting plate point
Not Zhuan You fixture block, the fixture block for wedge shape, each described fixture block respectively by a spring be arranged on the connecting plate inner side；
When the cover plate is rushed to open after the fixture block, the fixture block upper surface supports the cover plate.
A kind of 8. high-tension switch cabinet according to claim 1, it is characterised in that：The protective frame is consolidated by multigroup reinforcing plate
It is connected on the cabinet；The reinforcing plate is inverted " Qian " shape；The reinforcing plate is across the protective frame by the protective frame
On the cabinet；The both sides of the reinforcing plate and the both sides of the cabinet are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721244641.7U CN207165946U (en) | 2017-09-26 | 2017-09-26 | A kind of high-tension switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721244641.7U CN207165946U (en) | 2017-09-26 | 2017-09-26 | A kind of high-tension switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207165946U true CN207165946U (en) | 2018-03-30 |
Family
ID=61724124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721244641.7U Expired - Fee Related CN207165946U (en) | 2017-09-26 | 2017-09-26 | A kind of high-tension switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207165946U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256713A (en) * | 2018-11-23 | 2019-01-22 | 贵州电网有限责任公司 | Explosion-protection equipment and method at the top of switchgear |
-
2017
- 2017-09-26 CN CN201721244641.7U patent/CN207165946U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256713A (en) * | 2018-11-23 | 2019-01-22 | 贵州电网有限责任公司 | Explosion-protection equipment and method at the top of switchgear |
| CN109256713B (en) * | 2018-11-23 | 2024-07-02 | 贵州电网有限责任公司 | Explosion-proof device at top of switch cabinet |
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Legal Events
| 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: 20180330 Termination date: 20190926 |