CN216353833U

CN216353833U - Control and protection switch

Info

Publication number: CN216353833U
Application number: CN202122473711.9U
Authority: CN
Inventors: 陈阳
Original assignee: Shaoxing Qingfeng Electronic Technology Co ltd
Current assignee: Shaoxing Qingfeng Electronic Technology Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-04-19
Anticipated expiration: 2031-10-14

Abstract

The utility model discloses a control and protection switch, comprising a protective casing and a switch main body arranged in the protective casing, a protective cover is arranged on one side outer wall of the protective casing, and a switch main body is installed on the back plate of the protective casing, A mounting frame is fixedly connected to the surface of the bottom plate of the protective case, a cooling fan is installed in the mounting frame, a drive motor is installed on the left inner wall of the protective case, and the output shaft of the drive motor is fixedly connected by a coupling There is a lead screw, the outer wall of the lead screw is threadedly connected with a guide block, a cleaning plate is installed on the surface of the guide block, the outer walls on both sides of the protective shell are fixedly connected with connecting blocks, and the outer walls on both sides of the protective cover are connected. Both are fixedly connected with a positioning block that matches the connection block. The control and protection switch can not only effectively protect the main body of the switch and prolong the service life of the main body of the switch, but also has the function of heat dissipation to prevent the high temperature from affecting the work of the main body of the switch.

Description

Control and protection switch

Technical Field

The utility model belongs to the technical field of circuit protection and control devices, and particularly relates to a control and protection switch.

Background

The control and protection switch adopts a modular single product structure type, integrates the main functions of a traditional circuit breaker (fuse), a contactor, an overload (or overcurrent and open-phase) protection relay, a starter, an isolator and the like, is mainly used for connecting, bearing and breaking a circuit under normal conditions (including specified overload conditions) in an electric power system with the alternating current of 50Hz (60Hz), the rated current of 1A to 125A, the adjustable working current of 0.04A to 125A and the adjustable working current of 0.04A to 125A, and can connect, bear and break specified abnormal conditions.

The existing control and protection switch is often directly installed, is lack of necessary protection measures, and is easy to damage under the action of external force, so that the service life of the control and protection switch is influenced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a control and protection switch, which solves the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a control and protection switch, includes the protecting crust and sets up the switch main part in the protecting crust, one side outer wall of protecting crust is equipped with the protective cover, install the switch main part on the backplate of protecting crust, the fixed surface of the bottom plate of protecting crust is connected with the mounting bracket, install radiator fan in the mounting bracket, driving motor is installed to the left side inner wall of protecting crust, driving motor's output shaft passes through shaft coupling fixedly connected with lead screw, lead screw's outer wall threaded connection has the guide block, the surface mounting of guide block has the cleaning plate, the equal fixedly connected with connecting block of both sides outer wall of protecting crust, the equal fixedly connected with of both sides outer wall and connecting block assorted locating piece of protective cover.

In a further embodiment, one side outer wall integrated into one piece that the locating piece is close to the connecting block has the reference column, one side that the connecting block is close to the reference column seted up with reference column assorted locating hole, one side outer wall that the protective housing was kept away from to the reference column has seted up the mounting hole, and is equipped with supporting spring in the mounting hole, one side that supporting spring kept away from the protective housing is equipped with the fixed pin.

In a further embodiment, a cavity is formed in the connecting block, a guide hole is formed in the outer wall of one side, away from the protective shell, of the positioning block, a pressing column is connected in the guide hole in a sliding mode, and a pushing block is fixedly connected to the end face, located in the cavity of the connecting block, of the pressing column.

In a further embodiment, the top of the protective shell is provided with a heat dissipation groove, and a dustproof net is arranged in the heat dissipation groove.

In a further embodiment, a limiting rod used for limiting the position of the guide block is fixedly connected in the protective shell, and a plurality of air inlets are formed in a bottom plate of the protective shell.

In a further embodiment, two limiting grooves are symmetrically formed in the positioning column, and two limiting blocks which slide in the limiting grooves of the positioning column are symmetrically arranged on the outer walls of the two sides of the fixing pin.

The utility model has the technical effects and advantages that: the control and protection switch can comprehensively protect the switch main body through the arrangement of the protective shell and the protective cover, and the switch main body is prevented from being damaged by external force; the heat dissipation fan is matched with the heat dissipation groove, so that the switch main body can be subjected to heat dissipation when the switch main body works; drive cleaning plate round trip movement in the protecting crust through driving motor to can carry out periodic cleaning to the dust screen, avoid the dust screen to block up, influence the heat dissipation, this control and protection switch can not only effectively protect the switch main part, prolong the life of switch main part, but also have the heat dissipation function, avoid high temperature to influence switch main part work.

Drawings

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

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

FIG. 3 is a cross-sectional view of a protective shell of the present invention;

FIG. 4 is a cross-sectional view of a connecting block and locating block of the present invention.

In the figure: the device comprises a protective shell 1, a protective cover 2, a switch main body 3, a mounting rack 4, a heat radiation fan 5, a dust screen 6, a driving motor 7, a guide screw rod 8, a guide block 9, a cleaning plate 10, a limiting rod 11, a connecting block 12, a positioning block 13, a positioning column 14, a supporting spring 15, a fixing pin 16, a pressing column 17 and a pushing block 18.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the utility model.

In order to effectively protect the switch main body 3, as shown in fig. 1, 2 and 4, a protective cover 2 is arranged on the outer wall of one side of a protective shell 1, the switch main body 3 is installed on the back plate of the protective shell 1, connecting blocks 12 are fixed on the outer walls of the two sides of the protective shell 1 through bolts, positioning blocks 13 matched with the connecting blocks 12 are fixed on the outer walls of the two sides of the protective cover 2 through bolts, positioning columns 14 are integrally formed on the outer walls of one sides, close to the connecting blocks 12, of the positioning blocks 13, positioning holes matched with the positioning columns 14 are formed in one side, close to the positioning columns 14, of the connecting blocks 12, the positioning columns 14 are inserted in the positioning holes of the connecting blocks 12, so that the connecting blocks 12 and the positioning blocks 13 are connected, mounting holes are formed in the outer wall of one side, far away from the protective shell 1, of the positioning columns 14, supporting springs 15 are arranged in the mounting holes, and fixing pins 16 are arranged on one side, far away from the protective shell 1, of the supporting springs 15, two spacing grooves have been seted up to reference column 14 internal symmetry, fixed pin 16's both sides outer wall symmetry is provided with two gliding stoppers in reference column 14's spacing groove, avoid fixed pin 16 slippage from reference column 14 in, the cavity has been seted up in connecting block 12, fixed pin 16 extends to in the cavity of connecting block 12, thereby can make connecting block 12 and locating piece 13 fixed connection, locating piece 13 keeps away from one side outer wall of protecting crust 1 and has seted up the guiding hole, the guiding hole is linked together with the cavity, and sliding connection has the pressure post 17 in the guiding hole, press the terminal surface fixedly connected with ejector pad 18 that the post 17 is located the cavity of connecting block 12, the size of ejector pad 18 is greater than the size of guiding hole, can avoid pressing the post 17 slippage from connecting block 12 in, ejector pad 18 and fixed pin 16's size phase-match, thereby can promote fixed pin 16 to return and contract.

In order to dissipate heat of the switch main body 3 when the switch main body 3 works, as shown in fig. 1, fig. 2 and fig. 3, a mounting frame 4 is fixed on the surface of a bottom plate of a protective shell 1 through bolts, a heat dissipation fan 5 is installed in the mounting frame 4, a plurality of air inlets are formed in the bottom plate of the protective shell 1, a driving motor 7 is installed on the inner wall of the left side of the protective shell 1, an output shaft of the driving motor 7 is fixedly connected with a guide screw 8 through a coupler, one end of the guide screw 8, far away from the driving motor 7, is rotatably connected with the inner wall of the protective shell 1 through a bearing, a guide block 9 is connected on the outer wall of the guide screw 8 through threads, a cleaning plate 10 is fixed on the surface of the guide block 9 through bolts, a limiting rod 11 for limiting the position of the guide block 9 is fixedly connected in the protective shell 1, the guide block 9 slides outside the limiting rod 11, so as to ensure that the guide block 9 horizontally moves in the protective shell 1, the radiating groove has been seted up at the top of protecting crust 1, and installs dust screen 6 in the radiating groove, and clean board 10 laminates mutually with dust screen 6 to can clear up dust screen 6 when clean board 10 removes, avoid dust screen 6 to block up the influence radiating effect.

The working principle, the control and protection switch, when in use, when the switch main body 3 starts to work, the heat radiation fan 5 is started, the heat radiation fan 5 blows air to the switch main body 3, the air flowing speed in the protective shell 1 is accelerated, the switch main body 3 is cooled to avoid the influence of high temperature on the work of the switch main body 3, meanwhile, the driving motor 7 can be started periodically, the driving motor 7 drives the guide screw 8 to rotate, the guide screw 8 drives the cleaning plate 10 to move back and forth in the protective shell 1 through the guide block 9, thereby cleaning the dust screen 6, avoiding the influence on the heat dissipation effect caused by the blockage of the dust screen 6, when the switch main body 3 needs to be maintained and replaced, the pushing block 18 is pressed through the pressing column 17, the pushing block 18 extrudes the fixing pin 16 and compresses the supporting spring 15, so that the fixing pin 16 retracts into the positioning column 14, and the protective cover 2 can be taken down from the protective shell 1.

Finally, it should be noted that: the foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention.

Claims

1. A control and protection switch, comprising a protective casing (1) and a switch main body (3) arranged in the protective casing (1), characterized in that: one side outer wall of the protective casing (1) is provided with a protective cover (2), the switch main body (3) is mounted on the back plate of the protective shell (1), the surface of the bottom plate of the protective shell (1) is fixedly connected with a mounting bracket (4), and the mounting bracket (4) A cooling fan (5) is installed inside, a drive motor (7) is installed on the left inner wall of the protective shell (1), and a lead screw (8) is fixedly connected to the output shaft of the drive motor (7) through a coupling A guide block (9) is threadedly connected to the outer wall of the lead screw (8), a cleaning plate (10) is installed on the surface of the guide block (9), and both outer walls of the protective shell (1) are fixedly connected There is a connecting block (12), and both outer walls of the protective cover (2) are fixedly connected with positioning blocks (13) matching the connecting block (12).

2. A control and protection switch according to claim 1, characterized in that a positioning column (14) is integrally formed on the outer wall of one side of the positioning block (13) close to the connecting block (12), and the connecting block is integrally formed with a positioning column (14). (12) A positioning hole matching the positioning column (14) is opened on the side close to the positioning column (14), and a mounting hole is opened on the outer wall of the positioning column (14) away from the protective shell (1), and the installation A support spring (15) is arranged in the hole, and a fixing pin (16) is arranged on the side of the support spring (15) away from the protective shell (1).

3. A control and protection switch according to claim 2, characterized in that: the connecting block (12) is provided with a cavity, and the positioning block (13) is away from the outer wall of one side of the protective shell (1). A guide hole is provided, and a pressing column (17) is slidably connected in the guide hole, and a push block (18) is fixedly connected to the end surface of the pressing column (17) located in the cavity of the connecting block (12).

4. A control and protection switch according to claim 3, characterized in that a heat dissipation groove is opened on the top of the protective shell (1), and a dustproof net (6) is installed in the heat dissipation groove.

5. A control and protection switch according to claim 1, characterized in that: a limit rod (11) for limiting the position of the guide block (9) is fixedly connected in the protective shell (1), so The bottom plate of the protective shell (1) is provided with a plurality of air inlet holes.

6 . The control and protection switch according to claim 2 , wherein two limiting grooves are symmetrically opened in the positioning column (14), and the outer walls on both sides of the fixing pin (16) are symmetrically arranged. 7 . There are two limit blocks that slide in the limit grooves of the positioning column (14).