CN219107049U

CN219107049U - Emergency protection device for capacitor cabinet

Info

Publication number: CN219107049U
Application number: CN202320517145.3U
Authority: CN
Inventors: 李娜
Original assignee: Shandong Shengyun Heng Electric Co ltd
Current assignee: Shandong Shengyun Heng Electric Co ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-05-30
Anticipated expiration: 2033-03-17

Abstract

The utility model relates to the field of capacitor cabinet protection, in particular to an emergency protection device for a capacitor cabinet, which comprises a capacitor cabinet body, wherein mounting frames are arranged on two sides of the inside of the capacitor cabinet body, fuses are uniformly arranged at the upper ends between the mounting frames through connecting plates, contactors are uniformly fixed between the mounting frames below the fuses through the connecting plates, thermal relays are uniformly fixed between the mounting frames below the contactors through the connecting plates, a fixing plate is fixedly connected to the lower ends between the mounting frames, capacitors are uniformly and fixedly connected to the top ends of the fixing plate, supporting frames are uniformly and fixedly connected to the bottom ends of the inside of the capacitor cabinet body below the capacitors, and protection boxes are welded at the top ends of the supporting frames. The utility model can monitor the bulge degree of the capacitor, thereby giving an alarm or cutting off the power supply, playing an emergency protection role, and simultaneously monitoring the surface temperature of the capacitor and grasping the working temperature environment of the capacitor.

Description

Emergency protection device for capacitor cabinet

Technical Field

The application relates to the technical field of capacitor cabinet protection, in particular to an emergency protection device for a capacitor cabinet.

Background

The capacitor cabinet is a high-quality compensation capacitor, reactive power on-site compensation is directly carried out on 3KV to 10KV inductive load electric equipment, the power factor of the electric equipment is effectively improved (the power factor can be improved to more than 0.95), the capacitor is prone to failure in riot prevention, explosion and ignition of the capacitor occur sometimes in extreme cases, the capacitor cabinet is a single closed space, and a certain protection is needed in a monitoring blind area of fire protection.

The prior art has various protection devices, such as good heat dissipation equipment, which can ensure that the inside of the capacitor box can be at normal working temperature, and can improve the capacitor, so as to achieve the so-called explosion-proof capacitor, and also has a plurality of fuses and thermal relays, but the capacitor box still has the accident of explosion every year, wherein a part of reasons are that the capacitor breaks down, mainly the capacitor continuously works in an overheated environment or bulges, so that various protection devices cannot effectively play and the explosion accident occurs.

Therefore, we propose an emergency protection device which can monitor the capacitor which is easy to fail in real time, mainly monitor the temperature and the bulge degree of the capacitor during working, and send out an alarm or power failure in emergency so as to solve the problems.

Disclosure of Invention

An object of the present application is to provide an emergency protection device for a capacitive cabinet, so as to solve the problems set forth in the background art.

In order to achieve the above purpose, the present application provides the following technical solutions:

the utility model provides an emergency protection device for electric capacity cabinet, includes the electric capacity cabinet body, the mounting bracket is all installed to the inside both sides of electric capacity cabinet, and the upper end between the mounting bracket is through the even fuse of installing of connecting plate, evenly be fixed with the contactor through the connecting plate between the mounting bracket of fuse below, and evenly be fixed with thermal relay through the connecting plate between the mounting bracket of contactor below, the lower extreme fixedly connected with fixed plate between the mounting bracket, and the even fixedly connected with condenser in top of fixed plate, the even fixedly connected with support frame in the inside bottom of electric capacity cabinet of condenser below, and the top welding of support frame has the guard box, the inside both sides of guard box all are provided with the heat-conducting plate that pastes mutually with the condenser, and the lower extreme fixedly connected with spring between the heat-conducting plate, the bottom welding of heat-conducting plate has the link, and the link is close to the lower extreme of heat-conducting plate one side has the second feeler lever, the inside bottom of guard box corresponds fixedly connected with second touch switch, the upper end that the link is close to one side has the first feeler lever, and the inside bottom of guard box corresponds the first touch switch, the inside the guard box is connected with the first end of guard box, the alarm box.

As a further aspect of the present application: the upper end fixedly connected with temperature sensor of condenser one side is kept away from to the heat conduction board, and the heat conduction board is kept away from condenser one side upper end evenly welded has the heating panel.

As a further aspect of the present application: the lower extreme fixedly connected with reinforcing plate of condenser one side is kept away from to the heat conduction board, and the reinforcing plate is put on the top of protective housing.

As a further aspect of the present application: the middle position department fixedly connected with slider of reinforcing plate bottom, and the spout with slider assorted has been seted up correspondingly to the guard box top of slider below.

As a further aspect of the present application: the distance between the heat dissipation plates between the adjacent capacitors is larger than the maximum movement distance of the heat conduction plate, and the maximum movement distance of the heat conduction plate is the distance between the first touch rod and the first touch switch.

As a further aspect of the present application: the distance between the second touch rod and the second touch switch is larger than the distance between the first touch rod and the first touch switch.

Compared with the prior art, the beneficial effects of this application are:

this an urgent protection device for capacitive cabinet can both sides promote the heat-conducting plate through the capacitor bulge to make the second feeler lever or the first feeler lever of heat-conducting plate lower extreme touch second touch switch or first touch switch, can report to the police or cut off the power according to the corresponding warning of degree of bulge simultaneously, thereby play urgent guard action before dangerous emergence.

This an urgent protection device for capacitive cabinet absorbs the condenser surface heat through the heat-conducting plate fine to make temperature sensor quick and accurate detection, with the accurate temperature environment monitoring of realization, compare in the ambient temperature detection of general, can be more accurate monitor the operating condition of condenser.

Drawings

Fig. 1 is a schematic structural view of the capacitor box fixedly connected in the capacitor box body.

Fig. 2 is a schematic overall structure of the present application.

Fig. 3 is a schematic cross-sectional structure of fig. 2 of the present application.

Fig. 4 is a schematic view of a connection structure of the heat conductive plate of the present application.

In the figure: 1. a capacitor case body; 2. a mounting frame; 3. a fuse; 4. a contactor; 5. a capacitor; 6. a support frame; 7. a protection box; 8. a signal transmitter; 9. an alarm; 10. a fixing plate; 11. a heat conductive plate; 12. a thermal relay; 13. a heat dissipation plate; 14. a spring; 15. a slide block; 16. a reinforcing plate; 17. a temperature sensor; 18. a first touch switch; 19. a second touch switch; 20. a connecting frame; 21. a first feeler lever; 22. and a second feeler lever.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

As shown in fig. 1-4, an emergency protection device for a capacitor box in this embodiment includes a capacitor box body 1, mounting frames 2 are mounted on two sides of the inside of the capacitor box body 1, fuses 3 are uniformly mounted on upper ends between the mounting frames 2 through connecting plates, contactors 4 are uniformly fixed between the mounting frames 2 below the fuses 3 through connecting plates, thermal relays 12 are uniformly fixed between the mounting frames 2 below the contactors 4 through connecting plates, a fixing plate 10 is fixedly connected to lower ends between the mounting frames 2, capacitors 5 are uniformly and fixedly connected to top ends of the fixing plate 10, a supporting frame 6 is uniformly and fixedly connected to bottom ends of the inside of the capacitor box body 1 below the capacitors 5, and a protection box 7 is welded on top ends of the supporting frames 6, the both sides inside the guard box 7 all are provided with the heat conduction board 11 that pastes with the condenser 5 and even mutually, and the lower extreme fixedly connected with spring 14 between the heat conduction board 11, the bottom welding of heat conduction board 11 has link 20, and the link 20 is close to the lower extreme of heat conduction board 11 one side and all welded second feeler lever 22, the inside bottom of guard box 7 of second feeler lever 22 side corresponds fixedly connected with second touch switch 19, the link 20 is close to the upper end of heat conduction board 11 one side and all welded first feeler lever 21, and the inside bottom of guard box 7 of first feeler lever 21 side corresponds fixedly connected with first touch switch 18, the upper end fixedly connected with siren 9 of guard box 7 one end, and the lower extreme fixedly connected with signal transmitter 8 of guard box 7 one end.

As shown in fig. 1-4, in the present embodiment, the upper end of the side of the heat conducting plate 11 away from the capacitor 5 is fixedly connected with a temperature sensor 17, and the upper end of the side of the heat conducting plate 11 away from the capacitor 5 is uniformly welded with a heat dissipating plate 13.

It should be noted that, the heat of the surface of the capacitor 5 is well absorbed by the heat conducting plate 11, so that the temperature sensor 17 can rapidly and accurately detect, and accurate temperature environment monitoring can be realized.

As shown in fig. 1 to 4, in the present embodiment, a reinforcing plate 16 is fixedly attached to the lower end of the heat conduction plate 11 on the side away from the capacitor 5, and the reinforcing plate 16 is placed on the top end of the protective case 7.

The stability of the heat conductive plate 11 is improved by the reinforcing plate 16, and the occurrence of rattling of the heat conductive plate 11 due to an excessively high height is avoided.

As shown in fig. 2-4, in this embodiment, a sliding block 15 is fixedly connected to a middle position of the bottom end of the reinforcing plate 16, and a sliding groove matched with the sliding block 15 is correspondingly formed at the top end of the protection box 7 below the sliding block 15.

It should be noted that, the sliding block 15 slides in the chute to perform positioning and guiding for the movement of the heat conducting plate 11, so as to ensure the accuracy of monitoring.

As shown in fig. 1, 3 and 4, in the present embodiment, the distance between the heat dissipation plates 13 between the adjacent capacitors 5 is larger than the maximum movement distance of the heat conduction plate 11, and the maximum movement distance of the heat conduction plate 11 is the distance between the first contact rod 21 and the first touch switch 18.

Since the distance between the heat dissipation plates 13 between adjacent capacitors 5 is larger than the maximum movement distance of the heat conduction plate 11, the heat dissipation plates 13 can be prevented from being interfered with each other.

As shown in fig. 1, 3 and 4, in the present embodiment, the distance between the second touch bar 22 and the second touch switch 19 is greater than the distance between the first touch bar 21 and the first touch switch 18.

It should be noted that, since the distance between the second touch bar 22 and the second touch switch 19 is larger than the distance between the first touch bar 21 and the first touch switch 18, the monitoring of the degree of the two bulges can be achieved.

It can be understood that this an emergency protection device for capacitor box can monitor the degree of capacitor 5 swell to corresponding warning or cut off the power, and then play urgent guard action before dangerous emergence, can also monitor the temperature on capacitor 5 surface simultaneously, in order to guarantee temperature measurement's accurate, accurate assurance capacitor 5's operating temperature environment.

The working principle of the embodiment is as follows:

when the device is in operation, the device is fixedly connected to the position, the heat conducting plate 11 is in contact with two sides of the capacitor 5, when the capacitor 5 slightly bulges, the capacitor 5 is pushed to move against the elasticity of the spring 14, meanwhile, the sliding block 15 is matched to slide in the sliding groove to conduct positioning and guiding, the second feeler lever 22 is finally in contact with the second touch switch 19, the alarm 9 is enabled to give an alarm, when the range of the safety bulge is exceeded, the first feeler lever 21 is enabled to touch the first touch switch 18, the signal transmitter 8 is enabled to send signals to the controller in the capacitor cabinet body 1 to conduct preliminary power-off operation, meanwhile, the surface heat of the capacitor 5 can be absorbed through the heat conducting plate 11, the temperature sensor 17 is enabled to be detected rapidly and accurately, accurate temperature environment monitoring is achieved, and finally the emergency protection effect can be achieved.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The detachable mounting mode is various, for example, the detachable mounting mode can be matched with the buckle through plugging, for example, the detachable mounting mode can be realized through a bolt connection mode, and the like.

It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. An emergency protection device for a capacitor box, comprising a capacitor box body (1), characterized in that: the utility model discloses a capacitor cabinet, including a capacitor cabinet body (1), a connecting plate, a mounting bracket (2) is installed on both sides of the inside of the capacitor cabinet body (1), and fuse (3) are evenly installed through the connecting plate to the upper end between mounting bracket (2), evenly be fixed with contactor (4) through the connecting plate between mounting bracket (2) of fuse (3) below, and evenly be fixed with thermal relay (12) through the connecting plate between mounting bracket (2) of contactor (4) below, the lower extreme fixedly connected with fixed plate (10) between mounting bracket (2), and the even fixedly connected with condenser (5) in top of fixed plate (10), the capacitor cabinet is characterized in that a supporting frame (6) is uniformly and fixedly connected to the inner bottom end of the capacitor cabinet body (1) below the capacitor (5), a protection box (7) is welded at the top end of the supporting frame (6), heat conducting plates (11) which are adhered to the capacitor (5) are arranged on two sides of the inner portion of the protection box (7), springs (14) are fixedly connected to the lower ends of the heat conducting plates (11), a connecting frame (20) is welded at the bottom end of the heat conducting plates (11), a second feeler lever (22) is welded at the lower end of the connecting frame (20) close to one side of the heat conducting plates (11), a second touch switch (19) is correspondingly and fixedly connected to the inner bottom end of the protection box (7) on one side of the second feeler lever (22), the upper ends of the connecting frames (20) close to one side of the heat conducting plate (11) are welded with first feeler levers (21), the first touch switches (18) are correspondingly and fixedly connected to the inner bottom ends of the protection boxes (7) on one side of the first feeler levers (21), the alarm (9) is fixedly connected to the upper ends of one ends of the protection boxes (7), and the signal transmitter (8) is fixedly connected to the lower ends of one ends of the protection boxes (7).

2. An emergency protection device for a capacitive cabinet according to claim 1, characterized in that: the upper end of one side, far away from the capacitor (5), of the heat conducting plate (11) is fixedly connected with a temperature sensor (17), and the upper end of one side, far away from the capacitor (5), of the heat conducting plate (11) is uniformly welded with a heat radiating plate (13).

3. An emergency protection device for a capacitive cabinet according to claim 1, characterized in that: the lower end of one side of the heat conducting plate (11) far away from the capacitor (5) is fixedly connected with a reinforcing plate (16), and the reinforcing plate (16) is arranged at the top end of the protective box (7).

4. An emergency protection device for a capacitive cabinet according to claim 3, characterized in that: the middle position of the bottom end of the reinforcing plate (16) is fixedly connected with a sliding block (15), and a sliding groove matched with the sliding block (15) is correspondingly formed in the top end of the protection box (7) below the sliding block (15).

5. An emergency protection device for a capacitive cabinet according to claim 2, characterized in that: the distance between the heat dissipation plates (13) between adjacent capacitors (5) is larger than the maximum movement distance of the heat conduction plate (11), and the maximum movement distance of the heat conduction plate (11) is the distance between the first contact rod (21) and the first touch switch (18).

6. An emergency protection device for a capacitive cabinet according to claim 1, characterized in that: the distance between the second touch rod (22) and the second touch switch (19) is larger than the distance between the first touch rod (21) and the first touch switch (18).