CN210297050U - Pressure relief protection device for switch cabinet - Google Patents
Pressure relief protection device for switch cabinet Download PDFInfo
- Publication number
- CN210297050U CN210297050U CN201921288494.2U CN201921288494U CN210297050U CN 210297050 U CN210297050 U CN 210297050U CN 201921288494 U CN201921288494 U CN 201921288494U CN 210297050 U CN210297050 U CN 210297050U
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- plate
- pressure relief
- pressure
- sides
- pressure release
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- 230000001012 protector Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 20
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007659 motor function Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a pressure release protector for cubical switchboard, which comprises a housin, the pressure release mouth has been seted up to the inside top one side of casing, the inside top of casing is the fixed column that is provided with in the both sides of pressure release mouth all, the fixed column bottom mounting is provided with the fixed plate, fixed surface is provided with the push rod motor on the fixed plate, the casing top is provided with the closing plate in the top activity of pressure release mouth, the fixed plate is provided with the spring in the fixed outside of push rod motor. The utility model discloses simple structure gushes out to the pressure release mouth on the inside top of casing through high-pressure gas, and the impact that makes progress, when assaulting, high-pressure gas can upwards jack-up the closing plate, and the telescopic link upwards stretches out simultaneously, when playing the supporting role, guarantees the stability of closing plate, and when high pressure lasts, the closing plate of jack-up that makes progress can contact with the limiting plate, and the limiting plate prevents that pressure surge from flying the closing plate bullet too big, and the staff is hindered by mistake, improves the security performance.
Description
Technical Field
The utility model relates to a cubical switchboard technical field specifically is a pressure release protector for cubical switchboard.
Background
The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, each branch circuit is arranged according to the requirement, the main function of the switch cabinet is to open, close, control and protect the electrical equipment in the process of power generation, power transmission, power distribution and electric energy conversion of an electric power system, and the components in the switch cabinet mainly comprise a breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like.
However, the currently used switch cabinets have the following disadvantages:
1. when a switch cabinet used at present is in an operation process, if the conditions such as line insulation aging or human misoperation occur, short-circuit faults can occur, high-temperature and high-pressure gas is generated instantly under the short-circuit current of tens of thousands of amperes, if the high-temperature and high-pressure gas cannot be released in time in a narrow cabinet body, the switch cabinet can be cracked, adjacent switch cabinets are damaged, personal safety can be hurt seriously, and when the switch cabinet is subjected to pressure relief, parts subjected to pressure relief can be popped away due to excessive pressure impact, and workers can be injured;
2. the cubical switchboard that uses at present is behind the high-pressure state pressure release, and the cubical switchboard leakproofness reduces, and moisture in the air can get into the cubical switchboard, causes the influence to internal line, and the cubical switchboard only can just can carry out the pressure release when the high-pressure condition, can not regularly carry out the pressure release by the staff, has the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pressure release protector for cubical switchboard to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pressure release protector for cubical switchboard, includes the casing, the pressure release mouth has been seted up to the inside top one side of casing, the inside top of casing all fixes and is provided with the fixed column in the both sides of pressure release mouth, the fixed column bottom mounting is provided with the fixed plate, fixed surface is provided with the push rod motor on the fixed plate, the casing top is provided with the closing plate in the top activity of pressure release mouth, the fixed plate is the fixed spring that is provided with in the outside of push rod motor, the other end and the closing plate bottom of spring are connected, the mounting groove has all been seted up in the both sides of pressure release mouth in the casing top, the mounting groove internal fixation is provided with the telescopic link.
Preferably, support columns are fixedly arranged on the top end of the shell on two sides of the sealing plate, and a limiting plate is fixedly arranged on the top end of each support column.
Preferably, the top end of the shell is provided with clamping grooves in two sides of the sealing plate, the two sides of the sealing plate are fixedly provided with fixing blocks, and the bottom ends of the fixing blocks are movably arranged in the clamping grooves.
Preferably, the two sides of the fixing plate are provided with connecting rods through rotating shafts, the other ends of the connecting rods are connected with the top end of the shell through the rotating shafts, and the fixing plate is provided with a plurality of through holes.
Preferably, the fixing plate is fixedly provided with a fixing frame at the outer side of the push rod motor.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a high-pressure gas gushes away to the pressure release mouth on casing inside top, and the impact is upwards, and when assaulting, high-pressure gas can be upwards with the closing plate jack-up, and the telescopic link upwards stretches out simultaneously, when playing the supporting role, guarantees the stability of closing plate, and when high pressure lasts, the closing plate of jack-up upwards can contact with the limiting plate, and the limiting plate prevents that the pressure impact is too big to fly the closing plate bullet, accidentally injures the staff, improves the security performance;
2. the utility model discloses a pulling force of spring itself, with the tensile original place that returns of closing plate, can pull the fixed block back the draw-in groove during tensile in, play sealed effect, at other times, the staff also can make the push rod motor function through the switch, jack-up closing plate makes progress carries out the pressure release, avoids appearing high temperature high-pressure gas in time release at the constrictive internal of cabinet, causes the condition that the cubical switchboard damaged.
Drawings
Fig. 1 is a schematic view of the overall structure of a pressure relief protection device for a switch cabinet of the present invention;
fig. 2 is an enlarged schematic view of a pressure relief protector for a switch cabinet of the present invention at a point a in fig. 1;
fig. 3 is the utility model relates to a pressure release protector's for cubical switchboard positive structure schematic diagram.
In the figure: 1. a housing; 2. a pressure relief port; 3. fixing a column; 4. a fixing plate; 5. a push rod motor; 6. a sealing plate; 7. a spring; 8. mounting grooves; 9. a telescopic rod; 10. a support pillar; 11. a limiting plate; 12. a card slot; 13. a fixed block; 14. a connecting rod; 15. a fixing frame is provided.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a pressure release protector for cubical switchboard, which comprises a housin 1, pressure release mouth 2 has been seted up to 1 inside top one side of casing, 1 inside top of casing is all fixed in pressure release mouth 2's both sides and is provided with fixed column 3, 3 bottom mounting of fixed column are provided with fixed plate 4, fixed surface is provided with push rod motor 5 on fixed plate 4, 1 top of casing is provided with closing plate 6 in the top activity of pressure release mouth 2, fixed plate 4 is fixed in the outside of push rod motor 5 and is provided with spring 7, spring 7's the other end and closing plate 6 bottom connection, mounting groove 8 has all been seted up in pressure release mouth 2's both sides on 1 top of casing, 8 internal fixation in mounting groove is provided with telescopic link 9, mounting groove.
Supporting columns 10 are fixedly arranged at the top end of the shell 1 on two sides of the sealing plate 6, a limiting plate 11 is fixedly arranged at the top end of each supporting column 10, and the limiting plate 11 prevents the sealing plate 6 from being flicked off due to overlarge pressure impact, accidentally injures workers and improves safety performance;
the two sides of the fixed plate 4 are both provided with connecting rods 14 through rotating shafts, the other ends of the connecting rods 14 are connected with the top end of the shell 1 through rotating shafts, and the fixed plate 4 is provided with a plurality of through holes, so that the fixed plate 4 is firmer;
the fixing plate 4 is fixedly provided with a fixing frame 15 at the outer side of the push rod motor 5 to fix and protect the push rod motor 5.
The working principle is as follows: when the utility model is used, when the switch cabinet is in operation, if the condition of circuit insulation aging or human misoperation occurs, short circuit failure can be caused, high-temperature high-pressure gas is generated instantly under the short circuit current of tens of thousands of amperes, at the moment, the high-pressure gas can rush to the pressure relief port 2 at the top end inside the shell 1, the high-pressure gas can jack up the sealing plate 6 upwards during impact, the telescopic rod 9 extends upwards simultaneously, the stability of the sealing plate 6 is ensured while the supporting function is achieved, when high pressure is continued, the upwards-jacked sealing plate 6 can be contacted with the limiting plate 11, the limiting plate 11 prevents the excessive pressure impact from bouncing off the sealing plate 6, the staff is injured by mistake, the safety performance is improved, after the air pressure is discharged, the spring 7 can stretch the sealing plate 6 back to the original position by the self pulling force, the fixing block 13 can be pulled back into the clamping groove 12 during stretching, play sealed effect, at other times, the staff also can make push rod motor 5 function through the switch, upwards jack-up closing plate 6 carries out the pressure release, avoids appearing high-temperature high-pressure gas and can not in time release in the narrow cabinet body, causes the condition of cubical switchboard damage.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a pressure release protector for cubical switchboard, includes casing (1), pressure release mouth (2), its characterized in that have been seted up to casing (1) inside top one side: the improved pressure relief structure is characterized in that fixing columns (3) are fixedly arranged on the top ends of the inner portion of the shell (1) and on the two sides of the pressure relief opening (2), fixing plates (4) are fixedly arranged at the bottom ends of the fixing columns (3), a push rod motor (5) is fixedly arranged on the upper surface of each fixing plate (4), sealing plates (6) are movably arranged on the top ends of the shell (1) above the pressure relief opening (2), springs (7) are fixedly arranged on the outer sides of the push rod motors (5) of the fixing plates (4), the other ends of the springs (7) are connected with the bottom ends of the sealing plates (6), mounting grooves (8) are formed in the top ends of the shell (1) and on the two sides of the pressure relief opening (2), telescopic rods (9) are fixedly arranged in the mounting grooves (8), and the.
2. The pressure relief protection device for the switch cabinet according to claim 1, characterized in that: support columns (10) are fixedly arranged on the top end of the shell (1) on two sides of the sealing plate (6), and limiting plates (11) are fixedly arranged on the top ends of the support columns (10).
3. The pressure relief protection device for the switch cabinet according to claim 1, characterized in that: the sealing structure is characterized in that clamping grooves (12) are formed in the top end of the shell (1) and on the two sides of the sealing plate (6), fixing blocks (13) are fixedly arranged on the two sides of the sealing plate (6), and the bottom ends of the fixing blocks (13) are movably arranged in the clamping grooves (12).
4. The pressure relief protection device for the switch cabinet according to claim 1, characterized in that: the two sides of the fixing plate (4) are provided with connecting rods (14) through rotating shafts, the other ends of the connecting rods (14) are connected with the top end of the shell (1) through the rotating shafts, and the fixing plate (4) is provided with a plurality of through holes.
5. The pressure relief protection device for the switch cabinet according to claim 1, characterized in that: the fixed plate (4) is fixedly provided with a fixed frame (15) at the outer side of the push rod motor (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921288494.2U CN210297050U (en) | 2019-08-09 | 2019-08-09 | Pressure relief protection device for switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921288494.2U CN210297050U (en) | 2019-08-09 | 2019-08-09 | Pressure relief protection device for switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210297050U true CN210297050U (en) | 2020-04-10 |
Family
ID=70061443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921288494.2U Expired - Fee Related CN210297050U (en) | 2019-08-09 | 2019-08-09 | Pressure relief protection device for switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210297050U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111420323A (en) * | 2020-05-09 | 2020-07-17 | 中国电力工程顾问集团华东电力设计院有限公司 | Sound insulation roof with fire control is let out and is exploded function |
| CN113328369A (en) * | 2021-05-31 | 2021-08-31 | 国网河南省电力公司方城县供电公司 | Switch cabinet with pressure relief protection device |
| CN113809673A (en) * | 2021-09-30 | 2021-12-17 | 江苏大航泓城电力电子有限公司 | Switch cabinet structure capable of preventing high-temperature high-pressure airflow from being exploded and released |
-
2019
- 2019-08-09 CN CN201921288494.2U patent/CN210297050U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111420323A (en) * | 2020-05-09 | 2020-07-17 | 中国电力工程顾问集团华东电力设计院有限公司 | Sound insulation roof with fire control is let out and is exploded function |
| CN111420323B (en) * | 2020-05-09 | 2024-09-17 | 中国电力工程顾问集团华东电力设计院有限公司 | Sound insulation roof with fire control lets out and explodes function |
| CN113328369A (en) * | 2021-05-31 | 2021-08-31 | 国网河南省电力公司方城县供电公司 | Switch cabinet with pressure relief protection device |
| CN113328369B (en) * | 2021-05-31 | 2022-09-20 | 国网河南省电力公司方城县供电公司 | Switch cabinet with pressure relief protection device |
| CN113809673A (en) * | 2021-09-30 | 2021-12-17 | 江苏大航泓城电力电子有限公司 | Switch cabinet structure capable of preventing high-temperature high-pressure airflow from being exploded and released |
| CN113809673B (en) * | 2021-09-30 | 2023-06-16 | 江苏大航泓城电力电子有限公司 | Can prevent cubical switchboard structure that high temperature high pressure air stream explodes and lets out |
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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: 20200410 |