CN212485943U - High-low voltage switch cabinet pressure release structure - Google Patents
High-low voltage switch cabinet pressure release structure Download PDFInfo
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- CN212485943U CN212485943U CN202021242722.5U CN202021242722U CN212485943U CN 212485943 U CN212485943 U CN 212485943U CN 202021242722 U CN202021242722 U CN 202021242722U CN 212485943 U CN212485943 U CN 212485943U
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- cabinet
- pressure relief
- outer box
- pressure release
- low voltage
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Abstract
The utility model discloses a high-low voltage switch cabinet pressure release structure, have the open-ended outer container including opening, set up respectively in the outer container to have the pressure release cabinet and the electric power cabinet that are linked together, outer container upper end fixedly connected with motor, motor output fixedly connected with is located the ball of pressure release cabinet, and installs the nut on the ball, and fixed cover is equipped with the lifter plate on the nut, and the pressure release mouth that offsets with the lifter plate activity is seted up to pressure release cabinet both sides. The utility model discloses set up pressure release cabinet and electric power cabinet that are linked together in the outer box, and set up the ball screw that is driven by the motor and rotates in the pressure release cabinet, utilize the nut on the ball screw to drive the lifter plate and reciprocate, in order to carry out opening and closing control to the pressure release mouth on the pressure release cabinet, in order to adjust the pressure in the electric power cabinet; and then, the explosion-proof plate supported by the tension spring and the piston is arranged on the outer box in a clamping sleeve manner, so that the explosion-proof plate provides explosion-proof protection for the electric power cabinet and the outer box in the telescopic moving process.
Description
Technical Field
The utility model relates to a high-low voltage switch cabinet pressure release protection technical field especially relates to a high-low voltage switch cabinet pressure release structure.
Background
The high-low voltage switch cabinet is an electric device, which is a device connected with high-voltage or low-voltage cables as the name suggests, common power supply bureau and power substation use high-voltage cabinets, the high-voltage cabinets are stepped down by transformers and then reach low-voltage cabinets, the low-voltage cabinets are then reach distribution boxes for all power consumption, the external lines of the electric device, which are formed by assembling protection devices such as switch breakers and the like into a whole, enter a main control switch in the cabinet firstly and then enter branch control switches, and all branches are arranged according to the requirements.
Therefore, the high-low voltage switch cabinet internally provided with a plurality of electronic components can generate a large amount of high-temperature hot gas in the long-term operation process, the traditional high-low voltage switch cabinet generally adopts a sealed structure and is not provided with related pressure relief equipment, and under the condition, the air pressure difference inside and outside the switch cabinet cannot be effectively adjusted, so that the electronic components are influenced, the short circuit damage is caused, and even the strong extrusion to the cabinet body structure can be caused by the air pressure difference inside and outside the switch cabinet, so that the explosion result is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the big problem that just has high-pressure explosion danger of the big and high low-voltage switch cabinet internal pressure of prior art, and the high low-voltage switch cabinet pressure release structure who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a high-low voltage switch cabinet pressure release structure, has the open-ended outer container including opening, it has pressure release cabinet and electric power cabinet that is linked together to set up respectively in the outer container, and outer container upper end fixedly connected with motor, and motor output fixedly connected with is located the ball of pressure release cabinet, and installs the nut on the ball, fixed cover is equipped with the lifter plate on the nut, and the pressure release mouth that offsets with the lifter plate activity is seted up to pressure release cabinet both sides, the equal fixedly connected with sleeve pipe in electric power cabinet both sides, and slip the cover in the sleeve pipe are equipped with the piston, fixed cover is equipped with the spring with outer container inner wall looks welded on the piston, and the piston extends to the outer one of outer container and serves fixedly connected with explosion-proof board, the bleeder vent has been seted.
Preferably, the pressure relief cabinet and the electric power cabinet are arranged in the outer box from top to bottom, and the vertically arranged ball screw rotates in sequence to penetrate through the upper ends of the outer box and the pressure relief cabinet.
Preferably, the output end of the pressure relief opening extends out of the outer box, and guide rods sleeved with the lifting plates in a sliding manner are vertically arranged in two sides of the pressure relief cabinet.
Preferably, the spring is a tension spring.
Preferably, a groove for slidably sleeving the explosion-proof plate is formed in the outer wall of the outer box.
Preferably, filter screens are arranged in the pressure relief opening and the air vent.
Compared with the prior art, the utility model discloses possess following advantage:
1. the utility model discloses set up the pressure release cabinet and the electric power cabinet that are linked together in the outer box to set up in the pressure release cabinet and drive the rotatory ball by motor drive, utilize the nut on the ball to drive the lifter plate and reciprocate, with the pressure release mouth to the pressure release is cashier's office in a shop to carry out opening and close control, thereby adjust the pressure size in the electric power cabinet.
2. The utility model discloses connect the sleeve pipe of seting up the bleeder vent in electric power cabinet to set up the piston that the cover was equipped with tension spring in the sleeve pipe, utilize the piston to support the hard explosion-proof board of texture and stretch out and draw back and remove, support the explosion-proof board through the piston when making electric power cabinet internal pressure great, make the explosion-proof board can provide sufficient volume explosion-proof support to the outer box.
To sum up, the utility model arranges the pressure relief cabinet and the electric power cabinet which are communicated with each other in the outer box, arranges the ball screw which is driven by the motor to rotate in the pressure relief cabinet, and utilizes the nut on the ball screw to drive the lifting plate to move up and down so as to open and close the pressure relief opening on the pressure relief cabinet, thereby adjusting the pressure in the electric power cabinet; and then, the explosion-proof plate supported by the tension spring and the piston is arranged on the outer box in a clamping sleeve manner, so that the explosion-proof plate provides explosion-proof protection for the electric power cabinet and the outer box in the telescopic moving process.
Drawings
Fig. 1 is a schematic structural view of a pressure relief structure of a high-low voltage switch cabinet provided by the utility model;
fig. 2 is an enlarged schematic view of a part a of the pressure relief structure of the high-low voltage switch cabinet provided by the utility model;
fig. 3 is the utility model provides a schematic diagram is looked sideways at to high-low voltage switch cabinet pressure release structure's outer container structure.
In the figure: the explosion-proof cabinet comprises an outer box 1, a pressure relief cabinet 2, an electric cabinet 3, a motor 4, a ball screw 5, a nut 6, a lifting plate 7, a pressure relief opening 8, a guide rod 9, a sleeve 10, a piston 11, a spring 12, an explosion-proof plate 13, a groove 14, air holes 15 and openings 16.
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.
Referring to fig. 1-3, a pressure relief structure of a high-low voltage switch cabinet comprises an outer box 1 with an opening 16, a closable box door hinged in the opening 16 and made of transparent toughened glass for manual observation, a pressure relief cabinet 2 and an electric power cabinet 3 communicated with each other are respectively arranged in the outer box 1, a motor 4 is fixedly connected to the upper end of the outer box 1, the motor 4 is a servo motor with the model of MR-E100A, a ball screw 5 located in the pressure relief cabinet 2 is fixedly connected to the output end of the motor 4, a nut 6 is mounted on the ball screw 5, a lifting plate 7 is fixedly sleeved on the nut 6, pressure relief openings 8 movably abutted to the lifting plate 7 are formed in two sides of the pressure relief cabinet 2, it should be noted that silica gel pads are fixedly connected to two sides of the lifting plate 7 to ensure the sealing performance of the lifting plate against the pressure relief openings 8, sleeves 10 are fixedly connected to two sides of the electric power cabinet 3, and the sleeve 10 is slidably sleeved with a piston 11, the piston 11 is fixedly sleeved with a spring 12 welded with the inner wall of the outer box 1, one end of the piston 11 extending out of the outer box 1 is fixedly connected with an explosion-proof plate 13, the explosion-proof plate 13 is made of hard alloy steel plate, the sleeve 10 is provided with an air vent 15, when the piston 11 is located at the inner end position of the sleeve 10, the pressure in the electric power cabinet 3 cannot be discharged outwards through the air vent 15, and when the piston 11 is located at the outer end position of the sleeve 10, the pressure in the electric power cabinet 3 can be discharged outwards through the air vent 15.
Referring to the accompanying drawing 1, the pressure relief cabinet 2 and the electric power cabinet 3 are disposed in the outer box 1 from top to bottom, and the vertically disposed ball screw 5 sequentially rotates to penetrate through the upper ends of the outer box 1 and the pressure relief cabinet 2, it should be noted that sealing bearings for rotatably supporting the ball screw 5 are disposed in the upper ends of the outer box 1 and the pressure relief cabinet 2.
The output end of the pressure relief opening 8 extends to the outside of the outer box 1, so that the pressure of the pressure relief cabinet 2 can be discharged from the pressure relief opening 8, and guide rods 9 which are sleeved with the lifting plates 7 in a sliding manner are vertically arranged in two sides of the pressure relief cabinet 2, and can provide a guide limiting effect for the lifting plates 9 which move up and down.
The spring 12 is a tension spring, and the explosion-proof plate 13 can be clamped with the groove under the tension action of the spring 12, so that the outer box 1 is sealed, and when the piston 11 is extruded by the pressure in the electric power cabinet 3, the explosion-proof plate 13 is supported to extend outwards in the process of extending outwards, so that the outer box 1 is supported in an explosion-proof manner.
The outer wall of the outer box 1 is provided with a groove 14 which is sleeved with an explosion-proof plate 13 in a sliding manner.
The pressure relief opening 8 and the air holes 15 are provided with filter screens, and the filter screens can filter and purify the gas entering the pressure relief cabinet 2 and the electric power cabinet 3 so as to ensure the cleanness of the updated gas.
The utility model discloses its functional principle is explained to following mode of operation of accessible:
when the pressure in the electric power cabinet 3 is high, the motor 4 is controlled to be started outside the upper end of the outer box 1, and the output end of the motor 4 drives the ball screw 5 to rotate in the pressure relief cabinet 2;
the rotating ball screw 5 drives the nut 6 to move upwards, and the nut 6 drives the lifting plate 7 to vertically move upwards by taking the two guide rods 9 as a guide;
in the process of moving the lifting plate 7 upwards, the sealing of the pressure relief opening 8 is gradually opened, so that the pressure in the electric power cabinet 3 is discharged out of the outer box 1 through the pressure relief cabinet 2 and the pressure relief opening 9;
when the pressure in the electric cabinet 3 is extremely high, the piston 11 in the sleeve 10 is extruded, the piston 11 is pulled by the force of the spring 12, and the piston 11 support explosion-proof plate 13 which extends outwards extends out of the groove 14 to provide further support for the outer box 1;
the piston 11 moves to the outside of the sleeve 10, so that the pressure in the power cabinet 3 is discharged out of the power cabinet 3 and the outer box 1 through the air vent 15.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A pressure relief structure of a high-low voltage switch cabinet comprises an outer box (1) with an opening (16), and is characterized in that a pressure relief cabinet (2) and an electric power cabinet (3) which are communicated are respectively arranged in the outer box (1), a motor (4) is fixedly connected to the upper end of the outer box (1), a ball screw (5) which is positioned in the pressure relief cabinet (2) is fixedly connected to the output end of the motor (4), a nut (6) is installed on the ball screw (5), a lifting plate (7) is fixedly sleeved on the nut (6), pressure relief openings (8) which are movably abutted against the lifting plate (7) are formed in two sides of the pressure relief cabinet (2), sleeves (10) are fixedly connected to two sides of the electric power cabinet (3), a piston (11) is slidably sleeved in the sleeves (10), and a spring (12) welded with the inner wall of the outer box (1) is fixedly sleeved on the piston (11), and the piston (11) extends to one end outside the outer box (1) and is fixedly connected with an explosion-proof plate (13), and the sleeve (10) is provided with a vent hole (15).
2. The pressure relief structure of a high-low voltage switch cabinet according to claim 1, wherein the pressure relief cabinet (2) and the power cabinet (3) are arranged in the outer box (1) from top to bottom, and the vertically arranged ball screw (5) sequentially rotates to penetrate through the upper ends of the outer box (1) and the pressure relief cabinet (2).
3. The pressure relief structure of a high-low voltage switch cabinet according to claim 2, wherein the output end of the pressure relief opening (8) extends to the outside of the outer box (1), and guide rods (9) sleeved with the lifting plate (7) in a sliding manner are vertically arranged in both sides of the pressure relief cabinet (2).
4. The high-low voltage switch cabinet pressure relief structure according to claim 1, wherein the spring (12) is a tension spring.
5. The decompression structure of a high-low voltage switch cabinet according to claim 1, wherein a groove (14) slidably sleeved with an explosion-proof plate (13) is formed in an outer wall of the outer box (1).
6. The pressure relief structure of a high-low voltage switch cabinet according to claim 1, wherein a filter screen is disposed in each of the pressure relief opening (8) and the air vent (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021242722.5U CN212485943U (en) | 2020-06-30 | 2020-06-30 | High-low voltage switch cabinet pressure release structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021242722.5U CN212485943U (en) | 2020-06-30 | 2020-06-30 | High-low voltage switch cabinet pressure release structure |
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| Publication Number | Publication Date |
|---|---|
| CN212485943U true CN212485943U (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021242722.5U Active CN212485943U (en) | 2020-06-30 | 2020-06-30 | High-low voltage switch cabinet pressure release structure |
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| CN (1) | CN212485943U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113067276A (en) * | 2021-03-22 | 2021-07-02 | 七星电气股份有限公司 | Intelligent inflatable ring main unit |
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2020
- 2020-06-30 CN CN202021242722.5U patent/CN212485943U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113067276A (en) * | 2021-03-22 | 2021-07-02 | 七星电气股份有限公司 | Intelligent inflatable ring main unit |
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