CN211151268U

CN211151268U - Overvoltage suppression device

Info

Publication number: CN211151268U
Application number: CN201922054523.5U
Authority: CN
Inventors: 李有芹; 李梅
Original assignee: Anhui Weidian Power Technology Co ltd
Current assignee: Anhui Weidian Power Technology Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-07-31
Anticipated expiration: 2029-11-25

Abstract

The utility model relates to a voltage protection device, in particular to an overvoltage suppression device, which comprises a cabinet body, a heat dissipation mechanism and a revolving door locking mechanism, wherein the cabinet body is hinged with a revolving door, a placing plate is arranged in the cabinet body, the side wall of the cabinet body is oppositely opened and provided with an opening, sliding rails are oppositely fixed on the two sides of the opening on the side wall of the cabinet body, a first sliding block which is in sliding connection with the opening is fixed on the side surface of the placing plate, a second sliding block which is in sliding connection with the sliding rails is fixed on the end part of the first sliding block, and a fixing; the utility model provides a technical scheme can effectively overcome the defect that does not possess heat dissipation mechanism, opens the cabinet door easily, can't adjust the internal storing space of cabinet that prior art exists.

Description

Overvoltage suppression device

Technical Field

The utility model relates to a voltage protection equipment, concretely relates to overvoltage suppression device.

Background

In daily production and life, there are several kinds of overvoltage as follows: an operation overvoltage generated by the opening and closing operation of the circuit breaker, an arc overvoltage generated when the circuit breaker is grounded in a single phase, an atmospheric overvoltage generated by a lightning stroke, a resonance overvoltage, and the like. For the improper protection of the overvoltage equipment, accidents such as cable blasting, motor insulation breakdown, lightning arrester explosion, voltage transformer burnout and the like can occur, and unnecessary casualties can be caused in severe cases.

The over-voltage suppression cabinet is also called a PT cabinet, PT is an English abbreviation of a voltage transformer, and the PT cabinet mainly comprises three parts of PT, CT (current transformer), a lightning arrester and the like, and plays roles of metering, protecting and monitoring. The existing overvoltage suppression cabinet mainly comprises a high-voltage isolating switch, a voltage transformer, an overvoltage spike absorber and an intelligent measurement and control unit.

However, the conventional overvoltage suppression cabinet does not have a heat dissipation mechanism, so that the heat in the cabinet body is too large, the equipment cannot normally work, and the storage space in the cabinet body cannot be adjusted. In addition, do not set up the revolving door locking structure, outside personnel open the cabinet door very easily, and then lead to the incident to take place.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the above-mentioned shortcoming that prior art exists, the utility model provides an overvoltage suppression device can effectively overcome the defect that prior art exists does not possess heat dissipation mechanism, opens the cabinet door easily, can't adjust the internal storing space of cabinet.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

an overvoltage suppression device comprises a cabinet body, a heat dissipation mechanism and a revolving door locking mechanism, wherein the cabinet body is hinged with a revolving door, a placing plate is arranged inside the cabinet body, the side wall of the cabinet body is provided with an opening in a relatively opened mode, sliding rails are oppositely fixed on the two sides, located on the two sides of the opening, of the side wall of the cabinet body, a first sliding block in sliding connection with the opening is fixed on the side face of the placing plate, a second sliding block in sliding connection with the sliding rails is fixed on the end portion of the first sliding block, and a fixing bolt is connected to the second sliding;

the heat dissipation mechanism comprises a heat dissipation box fixed at the top of the cabinet body, the side face of the heat dissipation box is oppositely provided with an air inlet, the top in the heat dissipation box is fixed with an air guide seat, the side face of the air guide seat is provided with an arc guide groove opposite to the air inlet, a heat dissipation fan is fixed in the heat dissipation box, an air guide pipe is communicated between the bottom of the heat dissipation box and the bottom of the cabinet body, the outer wall of the air guide pipe is embedded with an annular heat conduction plate attached to the placing plate, and the inner wall of the air guide pipe is fixed with a heat conduction block;

the revolving door locking mechanism comprises a driving motor fixed at the bottom in the cabinet body, a driving gear is fixed on a driving shaft of the driving motor, a rotating shaft is arranged at the bottom in the cabinet body, a driven gear meshed with the driving gear is fixed on the rotating shaft, the end part of the rotating shaft is connected with a lead screw in a transmission manner, a third sliding block is connected to the lead screw in a threaded manner, a limiting rod is fixed on the third sliding block, and a limiting block spliced with the limiting rod is fixed on the revolving door.

Preferably, the placing plate is made of heat conducting materials.

Preferably, the second slider is provided with a sliding groove matched with the sliding rail.

Preferably, a first bearing seat is fixed at the bottom in the cabinet body, and the rotating shaft is connected with the first bearing seat in an installing manner.

Preferably, a second bearing seat is fixed at the bottom in the cabinet body, and the lead screw is connected with the second bearing seat in an installing manner.

Preferably, the end part of the rotating shaft and the lead screw are fixedly provided with conical transmission gears which are meshed with each other.

Preferably, the installation joints of the screw rod, the second bearing seat and the conical transmission gear are all ground to remove threads.

Preferably, the third slider is square, and a side of the third slider is attached to the inner wall of the cabinet body.

(III) advantageous effects

Compared with the prior art, the utility model provides an overvoltage suppression device has following beneficial effect:

1. the heat generated by the electrical equipment placed on the placing plate during working can be conducted to the heat conducting block through the annular heat conducting plate, when heat dissipation is needed, the heat dissipation fan can be opened, external air enters the air guide pipe through the arc-shaped guide groove on the air guide seat, and the heat in the air guide pipe is taken out, so that the heat dissipation purpose is achieved;

2. when the distance between the placing plates is required to be adjusted according to the size of the electrical equipment, the placing plates are moved up and down to proper positions by means of the sliding connection relationship between the second sliding blocks and the sliding rails, and then the fixing bolts are used for fixing the positions, so that the storage space in the cabinet body can be fully utilized;

3. because gag lever post and stopper joint, therefore outside personnel can't open the revolving door, and when maintainer need open the revolving door, can request control center remote control driving motor to drive the pivot and rotate, can drive the lead screw when the pivot rotates and rotate, and then drive the gag lever post rebound through the third slider, remove the locking effect to the stopper, alright open the revolving door, can effectively prevent outside personnel from opening the revolving door at will.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of FIG. 1 according to the present invention;

fig. 3 is a schematic top view of the second slide block and the slide rail in fig. 2 according to the present invention;

FIG. 4 is a schematic side view of the bottom structure of the cabinet body shown in FIG. 2 according to the present invention;

in the figure:

1. a cabinet body; 2. a revolving door; 3. an opening; 4. a slide rail; 5. a heat dissipation box; 6. an air inlet; 7. a second slider; 8. a chute; 9. fixing the bolt; 10. a wind guide seat; 11. an arc-shaped guide groove; 12. a heat dissipation fan; 13. an air guide pipe; 14. an annular heat conducting plate; 15. a heat conducting block; 16. a drive motor; 17. a driving gear; 18. a rotating shaft; 19. a driven gear; 20. a lead screw; 21. a third slider; 22. a limiting rod; 23. a limiting block; 24. placing the plate; 25. a first slider.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

An overvoltage suppression device is shown in fig. 1 to 4 and comprises a cabinet body 1, a heat dissipation mechanism and a revolving door locking mechanism, wherein the cabinet body 1 is hinged with a revolving door 2, a placing plate 24 is arranged inside the cabinet body 1, an opening 3 is oppositely formed in the side wall of the cabinet body 1, sliding rails 4 are oppositely fixed on the side wall of the cabinet body 1 at two sides of the opening 3, a first sliding block 25 connected with the opening 3 in a sliding manner is fixed on the side surface of the placing plate 24, a second sliding block 7 connected with the sliding rails 4 in a sliding manner is fixed at the end part of the first sliding block 25, and a fixing bolt 9 is connected to the second sliding block 7;

the heat dissipation mechanism comprises a heat dissipation box 5 fixed at the top of the cabinet body 1, the side surface of the heat dissipation box 5 is oppositely provided with an air inlet 6, the inner top of the heat dissipation box 5 is fixed with an air guide seat 10, the side surface of the air guide seat 10 is provided with an arc guide groove 11 opposite to the air inlet 6, a heat dissipation fan 12 is fixed inside the heat dissipation box 5, an air guide pipe 13 is communicated between the bottom of the heat dissipation box 5 and the bottom of the cabinet body 1, the outer wall of the air guide pipe 13 is embedded with an annular heat conduction plate 14 attached to a placing plate 24, and the inner wall of the air guide pipe 13;

the revolving door locking mechanism comprises a driving motor 16 fixed at the bottom in the cabinet body 1, a driving gear 17 is fixed on a driving shaft of the driving motor 16, a rotating shaft 18 is arranged at the bottom in the cabinet body 1, a driven gear 19 meshed with the driving gear 17 is fixed on the rotating shaft 18, the end part of the rotating shaft 18 is in transmission connection with a lead screw 20, a third sliding block 21 is in threaded connection with the lead screw 20, a limiting rod 22 is fixed on the third sliding block 21, and a limiting block 23 spliced with the limiting rod 22 is fixed on the revolving door 2.

The placing plate 24 is made of a heat conductive material.

The second slide block 7 is provided with a slide groove 8 matched with the slide rail 4.

A first bearing seat is fixed at the bottom in the cabinet body 1, and the rotating shaft 18 is connected with the first bearing seat in an installing way.

A second bearing seat is fixed at the bottom in the cabinet body 1, and the screw rod 20 is connected with the second bearing seat in an installing manner.

The end of the rotating shaft 18 and the lead screw 20 are fixed with conical transmission gears which are meshed with each other.

The mounting connection parts of the screw rod 20, the second bearing seat and the conical transmission gear are all milled to remove threads.

The third sliding block 21 is square, and one side of the third sliding block 21 is attached to the inner wall of the cabinet body 1.

The heat generated by the electrical equipment placed on the placement plate 24 during operation can be conducted to the heat conduction block 15 through the annular heat conduction plate 14. When heat dissipation is needed, the heat dissipation fan 12 can be turned on, external air enters the air guide pipe 13 through the arc-shaped guide groove 11 on the air guide seat 10, and heat in the air guide pipe 13 is taken out, so that the heat dissipation purpose is achieved.

When the distance between the placing plates 24 is required to be adjusted according to the size of the electrical equipment, the placing plates 24 move up and down to proper positions by means of the sliding connection relation between the second sliding blocks 7 and the sliding rails 4, and the fixing bolts 9 are reused to fix the positions, so that the storage space in the cabinet body 1 can be fully utilized.

Since the stopper rod 22 is engaged with the stopper 23, an outside person cannot open the swing door 2. When the maintenance personnel need to open the revolving door 2, the maintenance personnel can request the control center remote control driving motor 16 to drive the rotating shaft 18 to rotate, the rotating shaft 18 can drive the screw rod 20 to rotate when rotating, and then the third sliding block 21 drives the limiting rod 22 to move upwards, the locking effect on the limiting block 23 is removed, the revolving door 2 can be opened, and external personnel can be effectively prevented from opening the revolving door 2 at will.

Among this application technical scheme, high voltage isolator, voltage transformer, overvoltage spike absorber and the intelligent unit of observing and controling in the cabinet body 1 belong to prior art, specifically can refer to the content disclosed in the utility model patent of an overvoltage suppression cabinet that the publication number is CN 208782482U authorized.

In addition, when the maintenance personnel need to open the revolving door 2, the maintenance personnel can request the control center to remotely control the driving motor 16 to drive the rotating shaft 18 to rotate, the remote control is already mature in the prior art, and the function can be realized through a wireless communication module, which belongs to the basic common knowledge of the internet of things, such as a zigbee module, a GSM module and the like.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. An overvoltage suppression device, characterized by: the heat dissipation cabinet comprises a cabinet body (1), a heat dissipation mechanism and a revolving door locking mechanism, wherein the cabinet body (1) is hinged with a revolving door (2), a placing plate (24) is arranged inside the cabinet body (1), the side wall of the cabinet body (1) is oppositely provided with an opening (3), sliding rails (4) are oppositely fixed on the two sides of the opening (3) on the side wall of the cabinet body (1), a first sliding block (25) which is in sliding connection with the opening (3) is fixed on the side surface of the placing plate (24), a second sliding block (7) which is in sliding connection with the sliding rails (4) is fixed on the end part of the first sliding block (25), and a fixing bolt (9) is in threaded connection with the second sliding block;

the heat dissipation mechanism comprises a heat dissipation box (5) fixed to the top of the cabinet body (1), the side face of the heat dissipation box (5) is oppositely provided with an air inlet (6), the top of the interior of the heat dissipation box (5) is fixedly provided with an air guide seat (10), the side face of the air guide seat (10) is provided with an arc guide groove (11) opposite to the air inlet (6), a heat dissipation fan (12) is fixed inside the heat dissipation box (5), an air guide pipe (13) is communicated between the bottom of the heat dissipation box (5) and the bottom of the cabinet body (1), the outer wall of the air guide pipe (13) is embedded with an annular heat conduction plate (14) attached to a placing plate (24), and the inner wall of the air guide pipe (13) is fixedly provided with a heat conduction block;

revolving door locking mechanical system is including being fixed in driving motor (16) of bottom in the cabinet body (1), driving motor (16) drive shaft is fixed with driving gear (17), the bottom is equipped with pivot (18) in the cabinet body (1), be fixed with driven gear (19) with driving gear (17) meshing on pivot (18), pivot (18) tip is connected with lead screw (20) transmission, threaded connection has third slider (21) on lead screw (20), be fixed with stopper (22) on third slider (21), be fixed with stopper (23) of pegging graft with stopper rod (22) on revolving door (2).

2. The overvoltage suppression device of claim 1, wherein: the placing plate (24) is made of heat conducting materials.

3. The overvoltage suppression device of claim 1, wherein: and a sliding groove (8) matched with the sliding rail (4) is formed in the second sliding block (7).

4. The overvoltage suppression device of claim 1, wherein: the bottom in the cabinet body (1) is fixed with first bearing frame, pivot (18) and first bearing frame erection joint.

5. The overvoltage suppression device of claim 1, wherein: a second bearing seat is fixed at the bottom in the cabinet body (1), and the lead screw (20) is connected with the second bearing seat in an installing mode.

6. The overvoltage suppression device of claim 1, wherein: conical transmission gears which are meshed with each other are fixed on the end part of the rotating shaft (18) and the lead screw (20).

7. The overvoltage suppression device according to claim 5 or 6, characterized in that: and the mounting connection parts of the lead screw (20), the second bearing seat and the conical transmission gear are all ground to remove threads.

8. The overvoltage suppression device of claim 1, wherein: the third sliding block (21) is square, and one side face of the third sliding block (21) is attached to the inner wall of the cabinet body (1).