CN220914125U - Plastic case breaker special for high-voltage power distribution cabinet - Google Patents

Abstract

The utility model discloses a special plastic-case circuit breaker for a high-voltage power distribution cabinet, which comprises a cabinet body, wherein two plastic-case circuit breaker bodies are arranged in the cabinet body, and grooves are formed in the back surface of each plastic-case circuit breaker body. This device is through being provided with positive and negative threaded rod, utilize the cooperation of positive and negative threaded rod, the screw thread section of thick bamboo, movable block and installing support, can conveniently install moulded case circuit breaker body, its operating means is simple convenient, avoided using the bolt to fix moulded case circuit breaker body, effectively improved the installation rate to moulded case circuit breaker body, work efficiency has been improved, through being provided with cooling mechanism, utilize cooling mechanism and moulded case circuit breaker body contact, can carry out the heat dissipation to moulded case circuit breaker body, through the fan, the pipeline, the air intake, cooperation of first air outlet and second air outlet, can dispel the heat fast to cooling mechanism, its radiating rate is very fast, be favorable to keeping moulded case circuit breaker body good service condition.

Description

Plastic case breaker special for high-voltage power distribution cabinet

Technical Field

The utility model relates to the technical field of molded case circuit breakers, in particular to a molded case circuit breaker special for a high-voltage power distribution cabinet.

Background

The plastic-case circuit breaker is also called a device-type circuit breaker, all parts are sealed in a plastic shell, the auxiliary contacts, the undervoltage release, the shunt release and the like are modularized, and the plastic-case circuit breaker is basically not overhauled due to the very compact structure, is manually operated, and can be electrically separated and combined in a large capacity.

The moulded case circuit breaker that current is commonly used generally adopts the bolt to install, and the operation is comparatively troublesome, and the speed is slower, simultaneously, because the part in the moulded case circuit breaker is all installed inside the casing to it is comparatively concentrated, can continuously produce heat in its use, and then lead to its breaking down easily, has certain potential safety hazard, and for this reason, we propose a special moulded case circuit breaker of high voltage distribution cabinet and solve above-mentioned problem.

Disclosure of utility model

The utility model aims to provide a special plastic-case circuit breaker for a high-voltage power distribution cabinet, which aims to solve the problems in the background technology.

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

The utility model provides a special moulded case circuit breaker of high-voltage distribution cabinet, includes the cabinet body, the inside of the cabinet body is equipped with two moulded case circuit breaker bodies, every moulded case circuit breaker body's the back all sets up flutedly, every antifriction bearing has all been inlayed to the interior roof of recess and the interior diapire of every recess, every group antifriction bearing's the equal fixedly connected with positive and negative threaded rod of inner circle, every the equal threaded connection of surface of positive and negative threaded rod has two screw thread barrels, every the equal fixedly connected with movable block of surface of screw thread barrel, the inside wall fixedly connected with installing support of the cabinet body, the positive fixed heat dissipation mechanism that inlays of installing support, the interior bottom wall fixedly connected with fan of the cabinet body, the output fixedly connected with pipeline of fan, the one end and the bottom surface fixedly connected of installing support that the fan was kept away from to the pipeline, a set of air intake and a set of first air outlet have all been seted up to the left and right sides face of the cabinet body, a set of second air outlet has been seted up at the back of the cabinet body.

In a further embodiment, the left and right sides of the cabinet body are fixedly connected with dustproof nets, and the front side of the cabinet body is hinged with a cabinet door.

In a further embodiment, the left side surface and the right side surface of the cabinet body are provided with buckling grooves, and the back surface of the cabinet body is fixedly connected with two mounting plates.

In a further embodiment, the outer surface of the pipeline is fixedly connected with two supporting blocks, and the back surface of each supporting block is fixedly connected with the inner side wall of the cabinet body.

In a further embodiment, the upper surface of the mounting bracket and the bottom surface of the mounting bracket are both fixedly connected with a first protection pad, and a side surface of each group of moving blocks, which is close to each other, is both fixedly connected with a second protection pad.

In a further embodiment, the back of each molded case circuit breaker body is in contact with the front of the heat dissipation mechanism, and each first air outlet and each second air outlet are communicated with the inside of the mounting bracket.

Compared with the prior art, the utility model has the beneficial effects that:

This device is through being provided with positive and negative threaded rod, utilize the cooperation of positive and negative threaded rod, the screw thread section of thick bamboo, movable block and installing support, can conveniently install moulded case circuit breaker body, its operating means is simple convenient, avoided using the bolt to fix moulded case circuit breaker body, effectively improved the installation rate to moulded case circuit breaker body, work efficiency has been improved, through being provided with cooling mechanism, utilize cooling mechanism and moulded case circuit breaker body contact, can carry out the heat dissipation to moulded case circuit breaker body, through the fan, the pipeline, the air intake, cooperation of first air outlet and second air outlet, can dispel the heat fast to cooling mechanism, its radiating rate is very fast, be favorable to keeping moulded case circuit breaker body good service condition.

Drawings

Fig. 1 is a schematic perspective view of a molded case circuit breaker for a high-voltage power distribution cabinet.

Fig. 2 is a schematic perspective view of a side view of a molded case circuit breaker for a high-voltage power distribution cabinet.

Fig. 3 is a schematic perspective view of a front view of a cabinet body in a special molded case circuit breaker for a high-voltage power distribution cabinet.

Fig. 4 is a schematic perspective view of a rear sectional view of a cabinet body in a special molded case circuit breaker for a high-voltage power distribution cabinet.

In the figure: 1. a dust screen; 2. cabinet (Cabinet) a body; 3. a first air outlet; 4. a buckling groove; 5. a cabinet door; 6. a mounting plate; 7. a second air outlet; 8. a molded case circuit breaker body; 9. a rolling bearing; 10. a groove; 11. a mounting bracket; 12. a blower; 13. a pipe; 14. a support block; 15. an air inlet; 16. a first protective pad; 17. a heat dissipation mechanism; 18. a second protective pad; 19. a moving block; 20. a thread cylinder; 21. and (5) a positive and negative threaded rod.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, in the utility model, a special plastic shell breaker for a high-voltage power distribution cabinet comprises a cabinet body 2, two plastic shell breaker bodies 8 are arranged in the cabinet body 2, grooves 10 are formed in the back of each plastic shell breaker body 8, rolling bearings 9 are fixedly embedded in the inner top wall of each groove 10 and the inner bottom wall of each groove 10, positive and negative threaded rods 21 are fixedly connected with inner rings of each group of rolling bearings 9 together, two threaded cylinders 20 are connected with the outer surface of each positive and negative threaded rod 21 in a threaded manner, a movable block 19 is fixedly connected with the outer surface of each threaded cylinder 20, a mounting bracket 11 is fixedly connected with the inner side wall of the cabinet body 2, a heat dissipation mechanism 17 is fixedly embedded in the front of the mounting bracket 11, a fan 12 is fixedly connected with the inner bottom wall of the cabinet body 2, one end, far away from the fan 12, of the fan 13 is fixedly communicated with the bottom surface of the mounting bracket 11, a group of air inlets 15 and a group of first air outlets 3 are respectively arranged on the left and right side surfaces of the cabinet body 2, and a group of second air outlets 7 are formed in the back of the cabinet body 2.

The equal fixedly connected with dust screen 1 in the left and right sides of the cabinet body 2, the front of the cabinet body 2 articulates there is cabinet door 5, utilize dust screen 1 can avoid external dust to get into the inside of the cabinet body 2, the catching groove 4 has all been seted up to the left and right sides face of the cabinet body 2, the back fixedly connected with of the cabinet body 2 has two mounting panels 6, can conveniently install this cabinet body 2 through mounting panel 6, the surface fixedly connected with of pipeline 13 two supporting shoe 14, the back of every supporting shoe 14 all with the inside wall fixed connection of the cabinet body 2, utilize supporting shoe 14 can consolidate pipeline 13, make its installation more firm.

The upper surface of installing support 11 and the bottom surface of installing support 11 all fixedly connected with first protection pad 16, the equal fixedly connected with second protection pad 18 of a side that every group movable block 19 is close to each other utilize first protection pad 16 and second protection pad 18 to protect the installation department, reduce wearing and tearing, the back of every moulded case circuit breaker body 8 all contacts with the front of cooling mechanism 17, every first air outlet 3 and every second air outlet 7 all are linked together with the inside of installing support 11, utilize first air outlet 3 and second air outlet 7 can make the inside and outside intercommunication of installing support 11, be favorable to ventilation.

The working principle of the utility model is as follows:

When the plastic case breaker is used, firstly, a worker can use the mounting plate 6 to mount the cabinet body 2 at a use position, when the plastic case breaker body 8 needs to be mounted, the positive and negative threaded rod 21 can be rotated, the moving block 19 is driven to contact with the mounting bracket 11 by the positive and negative threaded rod, so that the plastic case breaker body 8 is mounted, however, heat can be continuously generated in the use process of the plastic case breaker body, at the moment, the plastic case breaker body 8 can be subjected to heat conduction and heat dissipation through the heat dissipation mechanism 17, meanwhile, the fan 12 and the pipeline 13 can be utilized to blow air to the inside of the mounting bracket 11, and then the heat dissipation mechanism 17 can be used for rapidly dissipating heat, so that the use state of the plastic case breaker body 8 is maintained.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model 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 utility model 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 (6)

1. A special moulded case circuit breaker of high-voltage distribution cabinet, its characterized in that: including cabinet body (2), the inside of cabinet body (2) is equipped with two moulded case circuit breaker bodies (8), every moulded case circuit breaker body (8) the back has all been seted up fluted (10), every the interior roof of fluted (10) and the interior bottom wall of every fluted (10) are all fixed to be inlayed and have antifriction bearing (9), every group antifriction bearing (9)'s the equal fixedly connected with positive and negative threaded rod (21) of inner circle, every the equal threaded connection of surface of positive and negative threaded rod (21) has two screw thread section of thick bamboo (20), every the equal fixedly connected with movable block (19) of surface of screw thread section of thick bamboo (20), the inside wall fixedly connected with installing support (11) of cabinet body (2), the positive fixedly inlayed of installing support (11) have cooling machanism (17), the interior bottom wall fixedly connected with fan (12) of cabinet body (2), the output fixedly connected with pipeline (13) of keeping away from the bottom surface fixedly connected with installing support (11) of fan (12), the air inlet (3) of a group of the first air outlet (2) are opened to the left side face and the right side (2).

2. The molded case circuit breaker special for a high-voltage power distribution cabinet according to claim 1, wherein: the dustproof nets (1) are fixedly connected to the left side and the right side of the cabinet body (2), and the front side of the cabinet body (2) is hinged with a cabinet door (5).

3. The molded case circuit breaker special for a high-voltage power distribution cabinet according to claim 1, wherein: the left side face and the right side face of the cabinet body (2) are both provided with buckling grooves (4), and the back face of the cabinet body (2) is fixedly connected with two mounting plates (6).

4. The molded case circuit breaker special for a high-voltage power distribution cabinet according to claim 1, wherein: the outer surface of the pipeline (13) is fixedly connected with two supporting blocks (14), and the back surface of each supporting block (14) is fixedly connected with the inner side wall of the cabinet body (2).

5. The molded case circuit breaker special for a high-voltage power distribution cabinet according to claim 1, wherein: the upper surface of the mounting bracket (11) and the bottom surface of the mounting bracket (11) are fixedly connected with first protection pads (16), and one side surface of each group of moving blocks (19) close to each other is fixedly connected with second protection pads (18).

6. The molded case circuit breaker special for a high-voltage power distribution cabinet according to claim 1, wherein: the back of each molded case circuit breaker body (8) is contacted with the front of the heat dissipation mechanism (17), and each first air outlet (3) and each second air outlet (7) are communicated with the inside of the mounting bracket (11).