CN208690771U - Upper pressure release type ring network cabinet - Google Patents
Upper pressure release type ring network cabinet Download PDFInfo
- Publication number
- CN208690771U CN208690771U CN201821620707.2U CN201821620707U CN208690771U CN 208690771 U CN208690771 U CN 208690771U CN 201821620707 U CN201821620707 U CN 201821620707U CN 208690771 U CN208690771 U CN 208690771U
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- China
- Prior art keywords
- pressure release
- pressure
- cabinet body
- ring network
- type ring
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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.)
- Expired - Fee Related
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Cable Accessories (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The utility model discloses a kind of upper pressure release type ring network cabinets, including cabinet body, the cable vault being arranged in below the cabinet body, the pressure releasing chamber being arranged in above the cabinet body and the pressure release passage being arranged on rear side of the cabinet body；The cable vault is connected to by pressure release passage with the pressure releasing chamber, and first partition is equipped between the cable vault and the pressure release passage, and the first partition is equipped with the sealing hole sealed with wax, and the top of the cabinet body is equipped with the pressure relief opening of the pressure releasing chamber.The utility model can guarantee the safety of site operation personnel, and can realize automatic decompression, reduce impact and damage to equipment.
Description
Technical field
The utility model relates to electrical equipment more particularly to a kind of upper pressure release type ring network cabinets.
Background technique
Ring network cabinet (Ring Main Unit) is one group of transmission & distribution electrical equipment (high-tension switch gear) mounted in metal or non-gold
Belong in insulation cabinet body or be made into the electrical equipment of assembled compartment ring network power supplying units, core is using on-load switch and melts
Disconnected device, has many advantages, such as that structure is simple, small in size, price is low, power supply parameter and performance can be improved and power supply safety.It is wide
The general power distribution station for being used in the load centers such as Urban Residential District, skyscraper, large public building, factory and enterprise and box
In substation.
In actual application, once there is arc fault, the gas pressure of interior of the cabinet in existing ring network cabinet in cabinet body
Power is promoted suddenly, and gas can impact all directions of cabinet body, is easily caused the external components such as the cabinet door of cabinet body and is rushed to open, to hurt
And site operation personnel, it is therefore desirable to install pressure relief device, gas can be made to be discharged from the pressure relief opening of pressure relief device rapidly.But by
Front side or the rear side of ring network cabinet body are all located in the pressure relief opening of pressure relief device.Although gas can be in the cabinet body that pressure rises sharply
By the discharge of the pressure relief opening of the front side of cabinet body or rear side, but air venting direction is right against people, cabinet door on front side of cabinet body or
The sealing plate of rear side is very likely rushed to open and injures site operation personnel.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of upper pressure release type ring network cabinets, it is ensured that execute-in-place
The safety of personnel, and can realize automatic decompression, reduce impact and damage to equipment.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model are as follows: a kind of upper pressure release type ring network cabinet, packet
It includes cabinet body, the cable vault being arranged in below the cabinet body, the pressure releasing chamber being arranged in above the cabinet body and is arranged in the cabinet
Pressure release passage on rear side of body；The cable vault is connected to by pressure release passage with the pressure releasing chamber, the cable vault and the pressure release
First partition is equipped between channel, the first partition is equipped with the sealing hole sealed with wax, and the top of the cabinet body is equipped with institute
State the pressure relief opening of pressure releasing chamber.
Further, the wax in the sealing hole is high melting-point wax.
Further, the inner wall of the pressure release passage is equipped with thin film, and the film is equipped at the sealing hole
The opening being adapted to the sealing hole.
It further, further include decompression cover compatible with the pressure relief opening, one end of the decompression cover can by hinge
The side of the pressure relief opening is arranged in folding ground.
Further, the unlatching threshold value of the decompression cover is that 1 atmosphere is depressed into 1.5 atmospheric pressure.
Further, the folding angle of the hinge is less than 90 degree.
Further, the decompression cover is made of Al-Zn coated steel.
The utility model has the beneficial effects that: by the way that side on the cabinet is arranged in pressure releasing chamber and pressure relief opening is arranged in cabinet
At the top of body, so that high temperature and high pressure gas can be discharged above cabinet body, avoids injuring site operation personnel, guarantee safety；Pass through
Pressure release passage is set, so that lower functional units can also realize independent top pressure release；Pass through the gear in cable vault and pressure releasing chamber
The sealing hole that setting is sealed with wax on plate not only can guarantee the sealing of cable vault, but also can be when cable vault breaks down, the height of generation
Warm high pressure gas melts wax, and high temperature and high pressure gas is discharged in time, to achieve the effect that be depressured automatically, equipment is rushed in reduction
It hits and damages.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the upper pressure release type ring network cabinet of the utility model embodiment one；
Fig. 2 is the structural schematic diagram of the first partition of the utility model embodiment one；
Fig. 3 is the top structure schematic diagram of the upper pressure release type ring network cabinet of the utility model embodiment one；
Fig. 4 is another top structure signal of the upper pressure release type ring network cabinet of the utility model embodiment one.
Label declaration:
1, cabinet body；2, cable vault；3, pressure releasing chamber；4, pressure release passage；5, first partition；6, sealing hole；7, pressure relief opening；8, it lets out
Gland；9, hinge.
Specific embodiment
For technology contents, the objects and the effects that the utility model is described in detail, below in conjunction with embodiment and match
Attached drawing is closed to be explained in detail.
The design of the utility model most critical is: pressure relief opening is arranged in the top of ring network cabinet body.
Referring to Fig. 1, a kind of upper pressure release type ring network cabinet, including cabinet body, the cable vault being arranged in below the cabinet body, setting
Pressure releasing chamber above the cabinet body and the pressure release passage being arranged on rear side of the cabinet body；The cable vault passes through pressure release passage
It is connected to the pressure releasing chamber, first partition is equipped between the cable vault and the pressure release passage, the first partition is equipped with
The sealing hole sealed with wax, the top of the cabinet body are equipped with the pressure relief opening of the pressure releasing chamber.
As can be seen from the above description, the utility model has the beneficial effects that: can guarantee site operation personnel safety, and
Automatic decompression can be achieved, reduce the impact and damage to equipment.
Further, the wax in the sealing hole is high melting-point wax.
Seen from the above description, it is sealed using high melting-point wax, can guarantee that wax generates high temperature and pressure gas in device fails
Melt when body, and will not melt in the normal running temperature of equipment, guarantees the sealing performance of equipment.
Further, the inner wall of the pressure release passage is equipped with thin film, and the film is equipped at the sealing hole
The opening being adapted to the sealing hole.
Seen from the above description, by the way that film is arranged, the wax melted can be collected, can be recycled and recycle, and easy cleaning.
It further, further include decompression cover compatible with the pressure relief opening, one end of the decompression cover can by hinge
The side of the pressure relief opening is arranged in folding ground.
Seen from the above description, decompression cover can enable high pressure gas under the action of high pressure gas in opened condition
It is escaped in time from pressure relief opening, avoids that accident occurs.
Further, the unlatching threshold value of the decompression cover is that 1 atmosphere is depressed into 1.5 atmospheric pressure.
Further, the folding angle of the hinge is less than 90 degree.
Seen from the above description, so that decompression cover can return pressure relief opening by gravity lid after high pressure gas discharge.
Further, the decompression cover is made of Al-Zn coated steel.
Seen from the above description, so that decompression cover is not easy to be crashed to pieces when bearing the shock of high pressure gas, ring network cabinet is improved
The safety used.
Embodiment one
Please refer to Fig. 1-4, the embodiments of the present invention one are as follows: a kind of upper pressure release type ring network cabinet, as shown in Figure 1, including
Cabinet body 1, the cable vault 2 being arranged in below the cabinet body 1, the pressure releasing chamber 3 that 1 top of cabinet body is arranged in and setting are described
The pressure release passage 4 of 1 rear side of cabinet body；The cable vault 2 is connected to by pressure release passage 4 with the pressure releasing chamber 3, the cable vault 2 and
First partition 5 is equipped between the pressure release passage 4, as shown in Fig. 2, the first partition 5 is equipped with the sealing hole sealed with wax
6, as shown in figure 3, the top of the cabinet body 1 is equipped with the pressure relief opening 7 of the pressure releasing chamber.
Wherein, the sealing hole is conveniently of circular shape, quantity be it is multiple, in Fig. 2 for 6.The pressure relief opening
It can be circle, can also be rectangle, quantity can be for one or multiple, in Fig. 3 by taking a rectangle as an example.
Preferably, the wax in the sealing hole is high melting-point wax.It is sealed using high melting-point wax, can guarantee that wax occurs in equipment
Failure is melted when generating high temperature and high pressure gas, and will not be melted in the normal running temperature of equipment, guarantees the close of equipment
Sealing property.For example, paraffin, which can be used, is made high melting-point wax, and guarantee that its fusing point is higher than temperature when equipment operates normally, example
Such as, fusing point is greater than 60 °.
Preferably, the inner wall of the pressure release passage be equipped with thin film, the film at the sealing hole be equipped with
The opening of the sealing hole adaptation.By the way that film is arranged, the wax melted can be collected, can be recycled and recycle, and easy cleaning.
Further, as shown in figure 4, being additionally provided with decompression cover compatible with the pressure relief opening on the top of the cabinet body 1
8, one end of the decompression cover 8 can be opened and closed the side that the pressure relief opening is arranged in by hinge 9.Fig. 4 is that decompression cover lid closes
Structural schematic diagram when pressure relief opening.
The hinge is fixedly installed on the cabinet, therefore decompression cover can be securely disposed on cabinet body by hinge, be prevented
Decompression cover is hit winged under the action of high pressure gas, avoids causing personal injury to the personnel near equipment.Preferably, described to let out
Gland is made of Al-Zn coated steel.So that decompression cover is not easy to be crashed to pieces when bearing the shock of high pressure gas, improving ring network cabinet makes
Safety.
Preferably, the unlatching threshold value of the decompression cover is that 1 atmosphere is depressed into 1.5 atmospheric pressure.
When equipment operates normally, decompression cover lid is closed on the pressure relief opening, and pressure relief opening is completely covered, and is guaranteeing equipment just
Often leakproofness when operation, also can reach dust-proof effect.In the event of a failure, the high temperature and high pressure gas generated in cable vault can incite somebody to action
Wax in sealing hole melts, so that high temperature and high pressure gas can be drained into pressure releasing chamber by pressure release passage, when the pressure in pressure releasing chamber
After reaching the unlatching threshold value of decompression cover by force, decompression cover can enable high pressure gas under the action of high pressure gas in opened condition
It is enough to be escaped in time from pressure relief opening, it avoids that accident occurs.The wax of thawing gathers on film, when wax solidifies again, need to only tear
Lower film can clear up pressure release passage, can also be by wax recycling and reusing.
Preferably, the folding angle of the hinge is less than 90 degree.After the high temperature and high pressure gas in pressure releasing chamber is discharged, pressure release
Under drop of pressure to the unlatching threshold value of decompression cover in room, decompression cover can cover back pressure relief opening under the effect of gravity.
The present embodiment guarantees the safety of site operation personnel, also can reach automatic drop by being designed to ring network cabinet
The effect of pressure reduces impact and damage to equipment.
In conclusion a kind of upper pressure release type ring network cabinet provided by the utility model, by the way that pressure releasing chamber is arranged on the cabinet
Simultaneously pressure relief opening is arranged at the top of cabinet body for side, so that high temperature and high pressure gas can be discharged above cabinet body, avoids injuring execute-in-place
Personnel guarantee safety；By the way that pressure release passage is arranged, so that lower functional units can also realize independent top pressure release；Pass through
The sealing hole that setting is sealed with wax on the baffle of cable vault and pressure releasing chamber not only can guarantee the sealing of cable vault, but also can be in cable
When room is broken down, the high temperature and high pressure gas of generation melts wax, and high temperature and high pressure gas is discharged in time, to reach automatic decompression
Effect, reduce impact and damage to equipment；It is sealed by using high melting-point wax, can guarantee that wax is generated in device fails
Melt when high temperature and high pressure gas, and will not melt in the normal running temperature of equipment, guarantees the sealing performance of equipment；It is logical
Setting film is crossed, the wax melted can be collected, can be recycled and recycle, and easy cleaning；It can be opened by being fixedly installed on pressure relief opening
The decompression cover of conjunction, decompression cover can enable high pressure gas timely from pressure relief opening under the action of high pressure gas in opened condition
Evolution, avoids that accident occurs；Make decompression cover when bearing the shock of high pressure gas by the way that decompression cover is made by Al-Zn coated steel,
It is not easy to be crashed to pieces, improves the safety that ring network cabinet uses.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalents made based on the specification and figures of the utility model are applied directly or indirectly in relevant technology neck
Domain is also included in the patent protection scope of the utility model.
Claims (7)
1. a kind of upper pressure release type ring network cabinet, which is characterized in that including cabinet body, the cable vault being arranged in below the cabinet body, setting
Pressure releasing chamber above the cabinet body and the pressure release passage being arranged on rear side of the cabinet body；The cable vault passes through pressure release passage
It is connected to the pressure releasing chamber, first partition is equipped between the cable vault and the pressure release passage, the first partition is equipped with
The sealing hole sealed with wax, the top of the cabinet body are equipped with the pressure relief opening of the pressure releasing chamber.
2. upper pressure release type ring network cabinet according to claim 1, which is characterized in that the wax in the sealing hole is high-melting-point
Wax.
3. upper pressure release type ring network cabinet according to claim 1, which is characterized in that the inner wall of the pressure release passage is equipped with one
Layer film, the film are equipped with the opening being adapted to the sealing hole at the sealing hole.
4. upper pressure release type ring network cabinet according to claim 1, which is characterized in that further include compatible with the pressure relief opening
Decompression cover, one end of the decompression cover can be opened and closed the side that the pressure relief opening is arranged in by hinge.
5. upper pressure release type ring network cabinet according to claim 4, which is characterized in that the unlatching threshold value of the decompression cover is 1
Atmosphere is depressed into 1.5 atmospheric pressure.
6. upper pressure release type ring network cabinet according to claim 4, which is characterized in that the folding angle of the hinge is less than 90
Degree.
7. upper pressure release type ring network cabinet according to claim 4, which is characterized in that the decompression cover is by Al-Zn coated steel system
At.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821620707.2U CN208690771U (en) | 2018-09-30 | 2018-09-30 | Upper pressure release type ring network cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821620707.2U CN208690771U (en) | 2018-09-30 | 2018-09-30 | Upper pressure release type ring network cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208690771U true CN208690771U (en) | 2019-04-02 |
Family
ID=65889669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821620707.2U Expired - Fee Related CN208690771U (en) | 2018-09-30 | 2018-09-30 | Upper pressure release type ring network cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208690771U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110601020A (en) * | 2019-09-30 | 2019-12-20 | 上海置信电气非晶有限公司 | Low-voltage cabinet protection structure for prefabricated substation |
-
2018
- 2018-09-30 CN CN201821620707.2U patent/CN208690771U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110601020A (en) * | 2019-09-30 | 2019-12-20 | 上海置信电气非晶有限公司 | Low-voltage cabinet protection structure for prefabricated substation |
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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: 20190402 |