CN206673361U - A kind of power distribution cabinet pressure relief mechanism - Google Patents
A kind of power distribution cabinet pressure relief mechanism Download PDFInfo
- Publication number
- CN206673361U CN206673361U CN201720447572.3U CN201720447572U CN206673361U CN 206673361 U CN206673361 U CN 206673361U CN 201720447572 U CN201720447572 U CN 201720447572U CN 206673361 U CN206673361 U CN 206673361U
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- surge chamber
- top plate
- pressure relief
- spring
- power distribution
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Abstract
The utility model provides a kind of power distribution cabinet pressure relief mechanism, including power distribution cabinet and pressure relief device, and pressure relief device includes pressure release passage, surge chamber, spring spool and spring；Pressure release passage connects pressure relief opening with buffer chamber seal；The top plate of surge chamber offers the chute slided up and down for may move top plate using removable top plate, the side plate interior sides of surge chamber；Spring spool is fixed on the bottom plate of surge chamber, and the height value of spring spool is not more than the height value of surge chamber side plate, is provided with spring in spring spool, the bottom of spring is fixedly connected with the bottom plate of surge chamber, and the top of spring is fixedly connected with removable top plate；The utility model employs new pressure relief device, and the active force of removable top plate is given using the high pressure in bus-bar room, moves up removable top plate, forms pressure release passage, prevents removable top plate damage；Meanwhile removable top plate is when falling, due to the positioning action of expansion link, ensure removable top plate can parking position accuracy, it is convenient and practical.
Description
Technical field
It the utility model is related to electric utility distribution box（Power distribution cabinet）Installation and debugging field, more particularly to a kind of power distribution cabinet are let out
Press mechanism.
Background technology
Power distribution cabinet is both provided with the bus-bar room for accommodating bus, and bus occurs to produce very during the failures such as short circuit, ground connection
High pressure, to prevent high pressure from causing bus-bar room to be acted in an unreasonable way blast, bus-bar room is further opened with pressure relief opening, and lid sets pressure release on pressure relief opening
Plate, the structure of existing pressure relief plate are that this fixed is more firm on one side, will not be by pressure relief opening while being fixed on pressure relief opening edge
Gases at high pressure wash open, another side is then used for explosion pressure release, and pressure relief plate usually plays the work of protection bus as the cover plate of bus-bar room
With bus-bar room can just be opened by installing and needing to separate on the both sides of pressure relief plate with bus-bar room when repairing bus, be wasted time and energy；It is female
When line breaks down, one side of pressure relief plate will be washed open by gases at high pressure, cause pressure relief plate deformed damaged, all needed after each pressure release
New pressure relief plate is installed, enters volume, pressure relief plate is unable to Reusability, not environmentally, cost it is high.
Utility model content
The purpose of this utility model is to provide a kind of power distribution cabinet pressure relief mechanism, it is therefore intended that solves because of traditional pressure relief plate not
Caused by reusing not environmentally, the problem of cost is high, be additionally operable to solve traditional pressure relief plate separated with bus-bar room it is troublesome
Problem.
To achieve these goals, the utility model uses following technical scheme：
A kind of power distribution cabinet pressure relief mechanism, including power distribution cabinet and pressure relief device, are provided with bus-bar room in power distribution cabinet, on bus-bar room
Pressure relief opening is offered, described pressure relief device includes pressure release passage, surge chamber, spring spool and spring；Pressure release passage is by pressure release
Mouth connects with buffer chamber seal；The top plate of surge chamber is offered for removable using removable top plate, the side plate interior sides of surge chamber
The chute that dynamic top plate slides up and down；Spring spool is fixed on the bottom plate of surge chamber, and the height value of spring spool is no more than buffering
The height value of room side plate, spring is provided with spring spool, the bottom of spring is fixedly connected with the bottom plate of surge chamber, the top of spring
End is fixedly connected with removable top plate.
Surge chamber uses square surge chamber or cylindrical buffer room, and the volume of surge chamber is more than the volume of pressure release passage,
The bottom plate center of pressure release passage and surge chamber connects, and spring spool uses a pair, and is oppositely arranged in pressure release passage both sides.
The height value of spring spool is identical with the height value of the side plate of surge chamber.
Also include expansion link, expansion link uses a pair, and is oppositely arranged in pressure release passage both sides, and one end of expansion link is with delaying
The bottom plate for rushing room is vertically fixedly connected, and the other end of expansion link is vertical with the top plate of surge chamber to be fixedly connected.
The beneficial effects of the utility model：
Compared with traditional pressure relief plate, a kind of power distribution cabinet pressure relief mechanism described in the utility model, new let out is employed
Pressure device, the active force of removable top plate is given using the high pressure in bus-bar room, moves up removable top plate, form pressure release passage,
Prevent removable top plate damage；Meanwhile when may move top plate whereabouts, due to the positioning action of expansion link, ensure removable top plate
Can parking position accuracy, it is convenient and practical.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation when the utility model does not have pressure release；
Structural representation when Fig. 2 is the utility model pressure release.
The direction of arrow represents gases at high pressure flowing direction in figure.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
As shown in figure 1, a kind of power distribution cabinet pressure relief mechanism described in the utility model, including power distribution cabinet 1 and pressure relief device, match somebody with somebody
Bus-bar room 2 is provided with electric cabinet 1, pressure relief opening is offered on bus-bar room 2, described pressure relief device includes pressure release passage 3, surge chamber
4th, spring spool 6 and spring 7；Pressure relief opening is sealed and connected by pressure release passage 3 with surge chamber 4, to form gases at high pressure circulation passage；
The top plate of surge chamber 4 offers what is slided up and down for may move top plate 5 using removable top plate 5, the side plate interior sides of surge chamber 4
Chute；Spring spool 6 is fixed on the bottom plate of surge chamber 4, and the height value of spring spool 6 is not more than the height of the side plate of surge chamber 4
Value, spring 7 is provided with spring spool 6, the bottom of spring 7 is fixedly connected with the bottom plate of surge chamber 4, the top of spring 7 and can
Movable top plate 5 is fixedly connected；Preferred scheme is equal with the height value of the side plate of surge chamber 4 for the height value of spring spool 6, in order to
Effective support of the spring spool 6 to removable top plate 5, prevents spring 7 from causing non-reversible deformation due to being compressed for a long time.
Preferred scheme is：Surge chamber 4 uses square surge chamber 4 or cylindrical buffer room 4, and the volume of surge chamber 4 is more than
The volume of pressure release passage 3, pressure release passage 3 are connected with the bottom plate center of surge chamber 4, and spring spool 6 uses a pair, and leads in pressure release
The both sides of road 3 are oppositely arranged, and to prevent that pressure is excessive in surge chamber 4, ensure that bus-bar room 2 being capable of quick pressure releasing.
Preferred scheme is：Also include expansion link 8, described expansion link 8 also uses a pair, and a pair of expansion links 8 lead in pressure release
The both sides of road 3 are oppositely arranged, and one end of expansion link 8 is vertical with the bottom plate of surge chamber 4 to be fixedly connected, and the other end of expansion link 8 is with delaying
The top plate for rushing room 4 is vertically fixedly connected, and after pressure release terminates, be may move the whereabouts of top plate 5 and is resetted, expansion link 8 can ensure removable
The accuracy that dynamic top plate 5 resets.
As shown in Fig. 2 a kind of action process of power distribution cabinet pressure relief mechanism described in the utility model is, when in bus-bar room 2
Air pressure increase when, gases at high pressure enter surge chamber 4 along pressure release passage 3, and promote removable top plate 5 to move up to form high pressure gas
Body circulation passage, simultaneous retractable bar 8 move up identical distance with removable top plate 5；After the completion of pressure release action, top plate 5 may move
Resetted under the position-limiting action of expansion link 8.
In actual applications, the coefficient of elasticity of spring 7 and the weight of removable top plate 5 should have according to the specific requirement of pressure release
Body selects, and repeats no more here.
Compared with traditional pressure relief plate, a kind of power distribution cabinet pressure relief mechanism described in the utility model, new let out is employed
Pressure device, the active force of removable top plate 5 is given using the high pressure in bus-bar room 2, move up removable top plate 5, formed pressure release and lead to
Road 3, prevent removable top plate 5 from damaging；Meanwhile when may move the whereabouts of top plate 5, due to the positioning action of expansion link 8, ensure removable
Dynamic top plate 5 can parking position accuracy, it is convenient and practical.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (4)
1. a kind of power distribution cabinet pressure relief mechanism, including power distribution cabinet and pressure relief device, bus-bar room is provided with power distribution cabinet, is opened on bus-bar room
Provided with pressure relief opening, it is characterised in that：Described pressure relief device includes pressure release passage, surge chamber, spring spool and spring；Pressure release is led to
Road connects pressure relief opening with buffer chamber seal；The top plate of surge chamber is offered using removable top plate, the side plate interior sides of surge chamber
The chute slided up and down for may move top plate；Spring spool is fixed on the bottom plate of surge chamber, and the height value of spring spool is not
More than the height value of surge chamber side plate, spring is provided with spring spool, the bottom of spring is fixedly connected with the bottom plate of surge chamber,
The top of spring is fixedly connected with removable top plate.
A kind of 2. power distribution cabinet pressure relief mechanism according to claim 1, it is characterised in that：Surge chamber using square surge chamber or
Person's cylindrical buffer room, the volume of surge chamber are more than the volume of pressure release passage, and the bottom plate center of pressure release passage and surge chamber connects,
Spring spool uses a pair, and is oppositely arranged in pressure release passage both sides.
A kind of 3. power distribution cabinet pressure relief mechanism according to claim 1, it is characterised in that：The height value and buffering of spring spool
The height value of the side plate of room is identical.
4. according to a kind of any described power distribution cabinet pressure relief mechanisms of claim 1-3, it is characterised in that：Also include expansion link, stretch
Contracting bar is used a pair, and is oppositely arranged in pressure release passage both sides, and one end of expansion link is vertical with the bottom plate of surge chamber to be fixedly connected,
The other end of expansion link is vertical with the top plate of surge chamber to be fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720447572.3U CN206673361U (en) | 2017-04-26 | 2017-04-26 | A kind of power distribution cabinet pressure relief mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720447572.3U CN206673361U (en) | 2017-04-26 | 2017-04-26 | A kind of power distribution cabinet pressure relief mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206673361U true CN206673361U (en) | 2017-11-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720447572.3U Active CN206673361U (en) | 2017-04-26 | 2017-04-26 | A kind of power distribution cabinet pressure relief mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206673361U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113067275A (en) * | 2021-03-08 | 2021-07-02 | 国网新疆电力有限公司喀什供电公司 | Intelligent switch cabinet for transformer substation |
-
2017
- 2017-04-26 CN CN201720447572.3U patent/CN206673361U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113067275A (en) * | 2021-03-08 | 2021-07-02 | 国网新疆电力有限公司喀什供电公司 | Intelligent switch cabinet for transformer substation |
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