CN217521922U - Novel plug-in molded case circuit breaker - Google Patents

Abstract

The utility model discloses a novel plug-in molded case circuit breaker, which comprises a circuit breaker shell, wherein a switch panel is fixedly arranged at the middle part of the front side of the circuit breaker shell, a control switch is fixedly arranged on the switch panel, fixed seats are fixedly arranged at the top and the bottom of the front side of the switch panel, sliding grooves are respectively arranged on the two fixed seats, springs are fixedly connected inside the two sliding grooves, and a slider which is in sliding connection with the sliding grooves is fixedly connected at one end of each spring, and the probability of mistakenly touching the control switch is effectively reduced.

Description

Novel plug-in molded case circuit breaker

Technical Field

The utility model relates to a moulded case circuit breaker field specifically is a novel bayonet moulded case circuit breaker.

Background

The molded case circuit breaker is also called a device type circuit breaker, all parts are sealed in a plastic shell, an auxiliary contact, an under-voltage release, a shunt release and the like are modularized mostly, manual operation is mostly adopted, and high-capacity selectable electric opening and closing can be realized. Due to the application of the electronic overcurrent release, the molded case circuit breaker can be divided into a type A and a type B, the type B has good three-section protection characteristics, but due to price factors, the market share of the type A products adopting the thermomagnetic release is higher.

Most of the existing molded case circuit breaker switches are exposed outside, so that the service life is short due to the fact that the molded case circuit breaker switches are easily influenced by external dust and dust in the actual use process, and certain potential safety hazards are caused due to the fact that the molded case circuit breaker switches are easily mistakenly touched on the other hand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel bayonet moulded case circuit breaker to solve the current moulded case circuit breaker switch that proposes in the above-mentioned background art most expose outside, receive the influence of external dust and dust easily on the one hand in the in-service use process and cause life shorter, on the other hand appears the mistake easily and bumps the phenomenon, causes the problem of certain circuit potential safety hazard.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel plug-in moulded case circuit breaker, includes the circuit breaker casing, the fixed flush mounting plate that is provided with in positive middle part of circuit breaker casing, the last fixed control switch that is provided with of flush mounting plate, the equal fixed fixing base that is provided with in positive top and bottom of flush mounting plate, two the spout has all been seted up on the fixing base, two the equal fixedly connected with spring in inside of spout, two the equal fixedly connected with in one end of spring and spout sliding connection's slider, two the equal fixedly connected with connecting plate in the outside of slider, two fixedly connected with is located the removal cover in the control switch outside between the connecting plate, two one end fixedly connected with closing plate between the fixing base, the closing plate sets up with the cooperation of removal cover.

Preferably, the movable cover is fixedly provided with a handle, and the movable cover is convenient to move through the handle.

Preferably, the top at the back of the circuit breaker shell is fixedly provided with a board front wiring rear socket, and the bottom at the back of the circuit breaker shell is fixedly provided with a board rear wiring rear socket.

Preferably, a plurality of uniformly distributed wire pressing grooves are formed in the top and the bottom of the front face of the breaker shell.

Preferably, the both sides of circuit breaker shells inner wall are all fixed and are provided with the refrigeration piece, two the heat conduction post of a plurality of evenly distributed of the equal fixedly connected with in one side of refrigeration piece all passes circuit breaker casing and heating panel fixed connection with the outside of a plurality of heat conduction posts of one side, just to circuit breaker casing inside through the heat-absorbing surface with the refrigeration piece, and the cooling surface dispels the heat through heat conduction post with heat conduction to heating panel.

Preferably, a plurality of radiating holes are uniformly distributed in the two radiating plates, so that the contact area between the radiating plates and air is enlarged, and the radiating efficiency is improved.

Compared with the prior art, the beneficial effects of the utility model are that: be provided with removal cover and closing plate on flush mounting plate of switch, make removal cover and closing plate mutually support and form relative confined space, protect control switch, and the cooperation slidable that removes the cover through spring and slider sets up between two fixing bases, can drive the removal cover through the pulling handle and remove, make control switch expose outside, it is convenient to control it, the tension that the handle passed through the spring of loosening can drive the removal cover and closely paste the closing plate, whole has carried out certain protection with control switch, reduce its influence that receives dust and moisture, prolong its life, and effectively reduce the mistake and bump control switch and cause improper probability of line control.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a partial cross-sectional view of the present invention;

fig. 3 is a partially detailed view of the present invention.

In the figure: 1. a circuit breaker housing; 2. a switch panel; 3. a control switch; 4. a fixed seat; 5. a chute; 6. a spring; 7. a slider; 8. a connecting plate; 9. a movable cover; 10. a sealing plate; 11. a handle; 12. a front wiring rear socket; 13. a rear wiring socket is arranged behind the board; 14. pressing a wire groove; 15. a refrigeration plate; 16. a heat-conducting column; 17. a heat dissipation plate; 18. and (4) heat dissipation holes.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Please refer to fig. 1-3, the utility model provides a novel plug-in molded case circuit breaker, including circuit breaker casing 1, the fixed flush mounting plate 2 that is provided with in positive middle part of circuit breaker casing 1, the last fixed control switch 3 that is provided with of flush mounting plate 2, flush mounting plate 2 positive top and the equal fixed fixing base 4 that is provided with in bottom, spout 5 has all been seted up on two fixing bases 4, the equal fixedly connected with spring 6 in inside of two spout 5, the equal fixedly connected with of one end of two springs 6 and spout 5 sliding connection's slider 7, the equal fixedly connected with connecting plate 8 in the outside of two sliders 7, fixedly connected with is located the removal cover 9 in the control switch 3 outside between two connecting plates 8, one end fixedly connected with closing plate 10 between two fixing bases 4, closing plate 10 sets up with the cooperation of removal cover 9, the fixed handle 11 that is provided with on the removal cover 9.

During the use, through pulling handle 11, handle 11 drives and removes cover 9 and removes, it drives slider 7 through connecting plate 8 and removes to remove cover 9, slider 7 is removing in-process extrusion spring 6, make spring 6 save elastic potential energy, control switch 3 exposes, conveniently control it, loosen handle 11, slider 7 drives connecting plate 8 and restores the normal position under the tension of spring 6, and then remove cover 9 and closing plate 10 and constitute a relatively sealed space, make control switch 3 can keep apart the harm of external dust and moisture, prolong holistic life.

The fixed wiring back socket 12 before being provided with the board in the top at the circuit breaker casing 1 back, the fixed wiring back socket 13 behind the board that is provided with in the bottom at the circuit breaker casing 1 back, the positive top of circuit breaker casing 1 and bottom all set up the wire pressing groove 14 of a plurality of even subdivisions.

The front-board wiring rear socket 12 and the back-board wiring rear socket 13 are inserted into an external switch cabinet, and the basic structure is adopted.

The both sides of 1 inner wall of circuit breaker casing are all fixed and are provided with refrigeration piece 15, and the equal a plurality of evenly distributed's of the equal fixedly connected with heat conduction post 16 in one side of two refrigeration pieces 15, all pass circuit breaker casing 1 and heating panel 17 fixed connection with the outside of a plurality of heat conduction posts 16 of one side, all set up a plurality of evenly distributed's louvre 18 on two heating panels 17.

During the use, 1 internal element of circuit breaker casing produces a large amount of heats at the during operation, and the cold junction of refrigeration piece 15 absorbs heat to it, and the hot junction of refrigeration piece 15 is passed through heat conduction post 16 with the heat and is conducted to heating panel 17 fast on, heating panel 17 and external contact enlarge with external air area of contact with louvre 18 cooperation, have improved holistic radiating efficiency.

When the embodiment of the application is used: by pulling the handle 11, the handle 11 drives the movable cover 9 to move, the movable cover 9 drives the sliding block 7 to move through the connecting plate 8, the sliding block 7 extrudes the spring 6 in the moving process, so that elastic potential energy is accumulated in the spring 6, the control switch 3 is exposed and is convenient to control, the handle 11 is loosened, the sliding block 7 drives the connecting plate 8 to recover the original position under the tension action of the spring 6, the movable cover 9 and the sealing plate 10 form a relatively sealed space, the control switch 3 can isolate the damage of external dust and moisture, the service life of the whole body is prolonged, internal elements of the circuit breaker shell 1 generate a large amount of heat during working, the cold end of the refrigeration sheet 15 absorbs heat, the hot end face of the refrigeration sheet 15 rapidly conducts the heat to the heat dissipation plate 17 through the heat conduction columns 16, the heat dissipation plate 17 is in contact with the outside and is matched with the heat dissipation holes 18 to enlarge the contact area with the external air, the overall heat dissipation efficiency is improved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. A novel plug-in molded case circuit breaker, includes a circuit breaker case (1), and is characterized in that: a switch panel (2) is fixedly arranged in the middle of the front surface of the breaker shell (1), the switch panel is characterized in that a control switch (3) is fixedly arranged on the switch panel (2), fixing seats (4) and two sliding grooves (5) and two sliding grooves (6) are formed in the fixing seats (4) at the front top and the bottom of the switch panel (2) and are fixedly connected with one end of each spring (6) and one sliding block (7) and two sliding grooves (5) which are connected with each other in a sliding mode, a connecting plate (8) and two outer sides of the sliding blocks (7) are fixedly connected with one connecting plates (8) and two connecting plates (8) between which a movable cover (9) is fixedly connected with the outer side of the control switch (3) and two sealing plates (10) are fixedly connected with one end of each fixing seat (4), and the sealing plates (10) and the movable cover (9) are matched with each other.

2. The new plug-in molded case circuit breaker according to claim 1, characterized in that: a handle (11) is fixedly arranged on the movable cover (9).

3. The new plug-in molded case circuit breaker according to claim 1, characterized in that: fixed wiring back socket (12) before being provided with the board in the top at circuit breaker casing (1) back, fixed wiring back socket (13) behind being provided with the board in the bottom at circuit breaker casing (1) back.

4. The new plug-in molded case circuit breaker according to claim 1, characterized in that: the circuit breaker is characterized in that a plurality of uniformly distributed wire pressing grooves (14) are formed in the top and the bottom of the front face of the circuit breaker shell (1).

5. The new plug-in molded case circuit breaker according to claim 1, characterized in that: the both sides of circuit breaker casing (1) inner wall are all fixed and are provided with refrigeration piece (15), two the heat conduction post (16) of a plurality of evenly distributed of the equal fixedly connected with in one side of refrigeration piece (15), all pass circuit breaker casing (1) and heating panel (17) fixed connection in the outside with a plurality of heat conduction posts (16) of one side.

6. The novel plug-in molded case circuit breaker according to claim 5, wherein: a plurality of heat dissipation holes (18) which are uniformly distributed are formed in the two heat dissipation plates (17).

Images