CN206180467U - Metal enclosed switchgear and controlgear pressure relief device - Google Patents
Metal enclosed switchgear and controlgear pressure relief device Download PDFInfo
- Publication number
- CN206180467U CN206180467U CN201621213099.4U CN201621213099U CN206180467U CN 206180467 U CN206180467 U CN 206180467U CN 201621213099 U CN201621213099 U CN 201621213099U CN 206180467 U CN206180467 U CN 206180467U
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- China
- Prior art keywords
- pressure release
- cover plate
- angled trapezium
- pressure
- release cover
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Abstract
The utility model relates to a metal enclosed switchgear and controlgear pressure relief device, roof including sealed cabinet body, be equipped with the pressure release opening on the roof and be used for the pressure -releasing cover board of sealed pressure release opening, the one end of pressure -releasing cover board is fixed on the roof, the other end is through nylon screw and roof spiro union, be equipped with travel control mechanism between pressure -releasing cover board and the roof, when producing high -pressure steam making the nylon screw of pressure -releasing cover board break away from in sealed cabinet body, travel control mechanism makes pressure -releasing cover board lifing in the angle is in the setting value along its stiff end. This metal enclosed switchgear and controlgear pressure relief device simple structure can guarantee sealed cabinet body's normal pressure release.
Description
Technical field
The utility model is related to a kind of metal enclosed switchgear and control device pressure relief device.
Background technology
With the high speed development of China electric power industry, switch cubicle manufacturing industry as electric power industry development one of guarantee also face
Face unprecedented development.Meet metal enclosed switchgear and the control of GB 3906-2006 standards requirement design and manufacture
Equipment, is prevented from the appearance of internal fault in principle, but because product defects, abnormal use condition or maloperation cause
The failure of enclosure may cause internal arc, if there are personnel at scene, can damage.Accordingly, it would be desirable to design a kind of pressure
Power release device, ensure that the normal pressure release of closing cabinet, and thus this case produces.
Utility model content
In view of the deficiencies in the prior art, technical problem to be solved in the utility model is to provide a kind of metal enclosed switch
Equipment and control device pressure relief device, not only complex structure, and convenient and efficient.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：A kind of metal enclosed switchgear and control
Control equipment pressure relief device, including the top board of cabinet is closed, the top board is provided with pressure release port and for sealing pressure release
The pressure release cover plate of port, one end of the pressure release cover plate is fixed on top board, the other end is spirally connected through nylon screw and top board, described
Range controlling mechanism is provided between pressure release cover plate and top board, the nylon of pressure release cover plate is caused when high-pressure hot gas are produced in enclosures body
When screw departs from, range controlling mechanism causes that the angle of raising that pressure release cover plate is fixed along it end is in setting value.
Preferably, the fixing end of the pressure release cover plate is screwed onto on top board through high-strength bolt.
Preferably, the pressure release cover plate is spaced in the plate face of nearly fixing end and offers several groove bars, several groove bars
It is located on the same line and is formed first crease line parallel with the edge line of the fixing end of pressure release cover plate.
Preferably, the range controlling mechanism is symmetricly set in letting out between the fixing end of pressure release cover plate and nylon screw end
Cover clamp both sides.
Preferably, the range controlling mechanism the angle limit plate including an isosceles trapezoid, the angle limit plate edge
The bending of its symmetry axis, two the first right-angled trapezium plate bodys and the second right-angled trapezium plate body for overlapping are formed, it is straight by first
The parallel edges long of the angle limit plate that the trapezoidal plate body in angle and the second right-angled trapezium plate body weight are combined into is located at nylon screw end, short flat
Row side is located at fixing end, and the first connection sheet, second right-angled trapezium are extended with the oblique waist of the first right-angled trapezium plate body
The second connection sheet is extended with the oblique waist of plate body, first connection sheet is screwed onto on top board through high-strength bolt, described first
The oblique kidney-shaped of right-angled trapezium plate body is into the folding line between the first right-angled trapezium plate body and the first connection sheet, second connection sheet
Be screwed onto on pressure release cover plate through high-strength bolt, the oblique kidney-shaped of the second right-angled trapezium plate body into the second right-angled trapezium plate body with
The right angle waist of the folding line between the second connection sheet, two the first right-angled trapezium plate bodys for overlapping and the second right-angled trapezium plate body
Positioned at pressure release port inner side.
Preferably, the angle limit plate offers several groove bars along its symmetry axis interval, and several groove bars are formed
The second crease line on symmetry axis.
Preferably, the pressure release port is shaped as rectangle, and the pressure release cover plate is shaped as rectangle, the stroke
Controlling organization is symmetricly set in two lateral edges between the fixing end of rectangular pressure release cover plate and nylon screw end, and described
The oblique waist of one right-angled trapezium plate body is parallel with two lateral edges of pressure release port, the oblique waist of the second right-angled trapezium plate body and pressure release
Two lateral edges of cover plate are parallel.
Compared with prior art, the utility model has the advantages that：The metal enclosed switchgear and control set
Standby structure of pressure relief device is simple, ensure that the normal pressure release of closing cabinet.
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Fig. 1 is the organigram one of the utility model embodiment.
Fig. 2 is the organigram two of the utility model embodiment.
Fig. 3 is the organigram three of the utility model embodiment.
Fig. 4 is the non-bending state schematic diagram of angle limit plate.
Fig. 5 is the use state schematic diagram one of the utility model embodiment.
Fig. 6 is the use state schematic diagram two of the utility model embodiment.
Fig. 7 is the use state schematic diagram three of the utility model embodiment.
In figure：1- top boards, 2- pressure release ports, 3- pressure release cover plates, 4- range controlling mechanisms, 5- nylon screws, 6- high intensity
Bolt, 7- groove bars, the crease lines of 8- first, 9- angle limit plates, 10- the first right-angled trapezium plate bodys, the right-angled trapezium plates of 11- second
Body, 12- parallel edges long, the short parallel edges of 13-, the connection sheets of 14- first, the connection sheets of 15- second, 16- folding lines, the folding lines of 17- second
Line.
Specific embodiment
It is that features described above of the present utility model and advantage can be become apparent, special embodiment below, and coordinate accompanying drawing,
It is described in detail below.
As shown in figs. 1-7, a kind of metal enclosed switchgear and control device pressure relief device, including closing cabinet
Top board 1, the top board is provided with pressure release port 2 and the pressure release cover plate 3 for sealing pressure release port, the one of the pressure release cover plate
End is fixed on top board, the other end is spirally connected through nylon screw 5 and top board, and Stroke Control is provided between the pressure release cover plate and top board
Mechanism 4, when producing high-pressure hot gas to cause that the nylon screw of pressure release cover plate departs from enclosures body, range controlling mechanism causes to let out
The angle of raising that cover clamp is fixed along it end is in setting value.
In the utility model embodiment, the fixing end of the pressure release cover plate is screwed onto on top board through high-strength bolt 6, institute
Fastened by nylon screw before the nylon screw end upset for stating pressure release cover plate, its pressure is undertaken one elsewhere by cabinet before discharging
Portion of energy.
In the utility model embodiment, the pressure release cover plate is spaced in the plate face of nearly fixing end and offers several grooves
Bar 7, several groove bars are located on the same line and form first folding parallel with the edge line of the fixing end of pressure release cover plate
Trace line 8.
In the utility model embodiment, the range controlling mechanism is symmetricly set in the fixing end and nylon of pressure release cover plate
Pressure release cover plate both sides between screw end.
In the utility model embodiment, the range controlling mechanism the angle limit plate 9 including an isosceles trapezoid, institute
State angle limit plate to be bent along its symmetry axis, form two the first right-angled trapezium plate bodys 10 for overlapping and the second right angle ladder
Shape plate body 11, the parallel edges long 12 of the angle limit plate being combined into by the first right-angled trapezium plate body and the second right-angled trapezium plate body weight
Fixing end is located at positioned at nylon screw end, short parallel edges 13, the first company is extended with the oblique waist of the first right-angled trapezium plate body
Contact pin 14, is extended with the second connection sheet 15 on the oblique waist of the second right-angled trapezium plate body, first connection sheet is through high intensity
Bolt is screwed onto on top board, the oblique kidney-shaped of the first right-angled trapezium plate body into the first right-angled trapezium plate body and the first connection sheet it
Between folding line 16, second connection sheet is screwed onto on pressure release cover plate through high-strength bolt, the second right-angled trapezium plate body
Oblique kidney-shaped into the folding line between the second right-angled trapezium plate body and the second connection sheet, two the first right-angled trapezium plates for overlapping
The right angle waist of body and the second right-angled trapezium plate body is located at pressure release port inner side.
In the utility model embodiment, the angle limit plate offers several groove bars along its symmetry axis interval,
Several groove bars form the second crease line 17 on symmetry axis；When metal enclosed switchgear and control device occur inside
During arc fault, pressure relief device starts pressure release, and now nylon screw is used as the most weak link elder generation quilt of whole pressure relief device
Air pressure is thrust, and fixing end along pressure release cover plate raises pressure release cover plate, and pressure release cover plate is raised along the first crease line, same to hour angle
Degree limiting plate is launched by two original right-angled trapezium plate body folded forms along the second crease line；Due to the work of angle limit plate
With pressure release cover plate can only be opened to certain angle, high because interior unit cell model can produce high-temp combustion particle and hot gas
Warm particle is not fully open due to pressure release cover plate, can only greatly be repelled back metal enclosed switchgear and control device
Interior compartment, and most of hot gas is directed to away from the position for injuring personal safety by pressure release cover plate open angle direction
Put, and the expansion of angle limit plate can also stop hot gas and high-temp combustion particle toward metal enclosed switchgear and control device
Both sides spray.
In the utility model embodiment, hot gas when pressure relief device of the invention is mainly in combination with interior unit cell model
Simulation is moved towards, according to interior unit cell model current class difference and metal enclosed switchgear and control device failure compartment sky
Between it is of different sizes, can be flipped open angle with setting difference by changing the isosceles angle of angle limit plate, it is ensured that hot gas
It is unlikely to threaten personal safety, the side leakage of hot gas when angle limit plate can also stop interior unit cell model, protects people
Body safety.
In the utility model embodiment, the pressure release port is shaped as rectangle, and the pressure release cover plate is shaped as
Rectangle, the range controlling mechanism is symmetricly set in two between the fixing end of rectangular pressure release cover plate and nylon screw end
In lateral edges, the oblique waist of the first right-angled trapezium plate body is parallel with two lateral edges of pressure release port, second right-angled trapezium
The oblique waist of plate body is parallel with two lateral edges of pressure release cover plate.
The utility model is not limited to above-mentioned preferred forms, and anyone can obtain under enlightenment of the present utility model
Go out other various forms of metal enclosed switchgears and control device pressure relief device.It is all according to present utility model application patent
The impartial change that scope is done and modification, should all belong to covering scope of the present utility model.
Claims (7)
1. a kind of metal enclosed switchgear and control device pressure relief device, it is characterised in that：Top including closing cabinet
Plate, the top board is provided with pressure release port and the pressure release cover plate for sealing pressure release port, and one end of the pressure release cover plate is consolidated
It is scheduled on top board, the other end is spirally connected through nylon screw and top board, range controlling mechanism is provided between the pressure release cover plate and top board,
When producing high-pressure hot gas to cause that the nylon screw of pressure release cover plate departs from enclosures body, range controlling mechanism causes pressure release cover plate
The angle of raising for being fixed along it end is in setting value.
2. metal enclosed switchgear according to claim 1 and control device pressure relief device, it is characterised in that：Institute
The fixing end for stating pressure release cover plate is screwed onto on top board through high-strength bolt.
3. metal enclosed switchgear according to claim 1 and control device pressure relief device, it is characterised in that：Institute
State pressure release cover plate and be spaced in the plate face of nearly fixing end and offer several groove bars, several groove bars are located on the same line simultaneously
Form first crease line parallel with the edge line of the fixing end of pressure release cover plate.
4. metal enclosed switchgear according to claim 1 and control device pressure relief device, it is characterised in that：Institute
State the pressure release cover plate both sides that range controlling mechanism is symmetricly set between the fixing end of pressure release cover plate and nylon screw end.
5. metal enclosed switchgear according to claim 1 and control device pressure relief device, it is characterised in that：Institute
The range controlling mechanism angle limit plate including an isosceles trapezoid is stated, the angle limit plate bends along its symmetry axis, shape
It is straight with second by the first right-angled trapezium plate body into two the first right-angled trapezium plate bodys and the second right-angled trapezium plate body for overlapping
The parallel edges long of the angle limit plate that angle trapezoidal plate body weight is combined into is located at nylon screw end, short parallel edges and is located at fixing end, institute
The first connection sheet is extended with the oblique waist for stating the first right-angled trapezium plate body, is extended with the oblique waist of the second right-angled trapezium plate body
Second connection sheet, first connection sheet is screwed onto on top board through high-strength bolt, the oblique waist of the first right-angled trapezium plate body
The folding line between the first right-angled trapezium plate body and the first connection sheet is formed, second connection sheet is screwed onto through high-strength bolt
On pressure release cover plate, the oblique kidney-shaped of the second right-angled trapezium plate body is into curved between the second right-angled trapezium plate body and the second connection sheet
The right angle waist of broken line, two the first right-angled trapezium plate bodys for overlapping and the second right-angled trapezium plate body is located at pressure release port inner side.
6. metal enclosed switchgear according to claim 5 and control device pressure relief device, it is characterised in that：Institute
State angle limit plate and offer several groove bars along its symmetry axis interval, several groove bars form second on symmetry axis
Crease line.
7. metal enclosed switchgear according to claim 5 and control device pressure relief device, it is characterised in that：Institute
State the rectangle that is shaped as of pressure release port, the pressure release cover plate is shaped as rectangle, and the range controlling mechanism is symmetrical arranged
In two lateral edges between the fixing end of rectangular pressure release cover plate and nylon screw end, the first right-angled trapezium plate body
Oblique waist is parallel with two lateral edges of pressure release port, and the oblique waist of the second right-angled trapezium plate body is put down with two lateral edges of pressure release cover plate
OK.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621213099.4U CN206180467U (en) | 2016-11-10 | 2016-11-10 | Metal enclosed switchgear and controlgear pressure relief device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621213099.4U CN206180467U (en) | 2016-11-10 | 2016-11-10 | Metal enclosed switchgear and controlgear pressure relief device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206180467U true CN206180467U (en) | 2017-05-17 |
Family
ID=58684525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621213099.4U Active CN206180467U (en) | 2016-11-10 | 2016-11-10 | Metal enclosed switchgear and controlgear pressure relief device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206180467U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112154581A (en) * | 2018-05-24 | 2020-12-29 | 三菱电机株式会社 | Gas-insulated switchgear |
-
2016
- 2016-11-10 CN CN201621213099.4U patent/CN206180467U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112154581A (en) * | 2018-05-24 | 2020-12-29 | 三菱电机株式会社 | Gas-insulated switchgear |
| CN112154581B (en) * | 2018-05-24 | 2022-04-08 | 三菱电机株式会社 | Gas-insulated switchgear |
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