Explosion-proof motor controller
By adopting dustproof plate and connector structure in the explosion-proof motor controller, the sealing of the heat dissipation groove when the motor stops working is achieved, the problem of dust pollution is solved, the service life of the motor is extended and the failure is prevented.
Patent Information
- Application Number
- CN202323622062.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-29
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2033-12-29
AI Technical Summary
When existing explosion-proof motor controllers stop working, dust passes through the explosion-proof housing through the heat sink and falls on the circuit board, causing contamination and failure.
An explosion-proof motor controller is designed, adopting a dustproof plate and a connecting piece structure. Through the coordination of the docking plate, movable column, clamp plate and spring, the dustproof plate can be covered on the heat dissipation groove when the motor stops working and sealed. Dust to prevent pollution.
It effectively avoids dust contamination of the circuit board, extends the service life of the motor, and prevents circuit short circuits or failures.
Smart Images
Figure CN222192810U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of motor controllers, in particular to an explosion-proof motor controller. Background Art
[0002] The motor controller is an integrated circuit that actively controls the motor to operate in a set direction, speed, angle, and response time.
[0003] Existing explosion-proof motor controllers will dissipate hot air through the heat sink when working, but when they stop working, dust will pass through the heat sink and explosion-proof housing and fall onto the circuit board, causing contamination of the circuit board. Excessive dust accumulation will cause the circuit board contact points to fail, causing circuit short circuit or failure. Utility Model Content
[0004] The purpose of the utility model is to propose an explosion-proof motor controller in order to solve the above problems.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] An explosion-proof motor controller comprises an explosion-proof shell and a circuit board, wherein a heat dissipation groove is provided on one side of the explosion-proof shell, a dustproof plate is provided on one side of the explosion-proof shell, a docking plate is fixedly connected to one side of the dustproof plate, a docking groove adapted to the docking plate is provided on the outer wall of the explosion-proof shell, and the dustproof plate is fixed to the explosion-proof shell through a connecting piece.
[0007] Preferably, the connecting member comprises a movable plate, a through slot is formed on the top of the movable plate, a support plate is fixedly connected to one side of the explosion-proof housing, a movable column penetrates the interior of the support plate, and a clamping plate is fixedly connected to the top of the movable column.
[0008] Preferably, a plug plate is fixedly connected to the bottom of the card plate, and a card slot is provided on the top of the movable plate.
[0009] Preferably, a stopper is fixedly connected to the bottom of the movable column, a spring is abutted against the top of the stopper, and the spring is sleeved on the outer wall of the movable column.
[0010] Preferably, a side ear is fixedly connected to the bottom of the stopper.
[0011] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:
[0012] In the present application, when the motor controller stops working, the staff first connects the explosion-proof casing and the circuit board by inserting the docking plate into the docking slot. Then the staff grasps the side ear and moves the card plate upward through the movable column, and the card plate passes through the through slot. Then the staff rotates the movable column to make the card plate drive the plug-in plate to rotate, so that the plug-in plate and the card slot are in the same vertical plane. Then the staff releases the hand holding the side ear, so that the spring will pull the movable column to insert the plug-in plate into the card slot, thereby sealing the heat dissipation slot to prevent dust from contaminating the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 The overall structure schematic diagram provided according to the embodiment of the utility model is shown;
[0014] Figure 2 A cross-sectional view of an explosion-proof housing structure provided according to an embodiment of the utility model is shown;
[0015] Figure 3 A schematic diagram of the structure of a connecting piece provided according to an embodiment of the utility model is shown.
[0016] Legend:
[0017] 1. Explosion-proof housing; 2. Circuit board; 3. Heat dissipation slot; 4. Dust-proof plate; 5. Docking plate; 6. Docking slot; 7. Movable plate; 8. Through slot; 9. Support plate; 10. Movable column; 11. Card plate; 12. Insert plate; 13. Card slot; 14. Stopper; 15. Spring; 16. Side ear. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] See also Figure 1-3 , the utility model provides a technical solution:
[0020] An explosion-proof motor controller comprises an explosion-proof shell 1 and a circuit board 2. A heat dissipation slot 3 is provided on one side of the explosion-proof shell 1. The number of the heat dissipation slots 3 is set to be multiple. A dustproof plate 4 is provided on one side of the explosion-proof shell 1. The area of the dustproof plate 4 can seal all the heat dissipation slots 3 at the same time. A docking plate 5 is fixedly connected to one side of the dustproof plate 4. A docking slot 6 adapted to the docking plate 5 is provided on the outer wall of the explosion-proof shell 1. The dustproof plate 4 is fixed to the explosion-proof shell 1 through a connecting piece.
[0021] Specifically, Figure 3As shown, the connecting part includes a movable plate 7, which is fixedly connected to one side of the dustproof plate 4. A through groove 8 is opened on the top of the movable plate 7, and the shape of the through groove 8 is set to be rectangular. A support plate 9 is fixedly connected to one side of the explosion-proof shell 1. A movable column 10 passes through the interior of the support plate 9. The movable column 10 and the support plate 9 are clearance-fitted. The movable column 10 and the support plate 9 can slide and rotate relative to each other. A clamping plate 11 is fixedly connected to the top of the movable column 10.
[0022] Specifically, Figure 3 As shown, a plug plate 12 is fixedly connected to the bottom of the card plate 11. The plug plate 12 is arranged in a triangle. The number of the plug plates 12 is set to two and they are arranged in a mirror-symmetrical manner with the card plate 11 as the center. A card slot 13 is opened on the top of the movable plate 7.
[0023] Specifically, Figure 3 As shown, a stopper 14 is fixedly connected to the bottom of the movable column 10 , a spring 15 is abutted against the top of the stopper 14 , the spring 15 is sleeved on the outer wall of the movable column 10 , and the spring 15 is fixedly installed on the bottom of the support plate 9 .
[0024] Specifically, Figure 3 As shown, a side ear 16 is fixedly connected to the bottom of the stopper 14 . The side ear 16 is arranged in an arc shape. The number of the side ears 16 is set to two and they are arranged in a mirror-symmetrical manner with the stopper 14 as the center. In this way, the side ears 16 can facilitate the staff to grab and move the stopper 14 .
[0025] To sum up, after the motor controller provided in this embodiment stops working, the staff can insert the docking plate 5 into the docking slot 6, so that the dustproof plate 4 can cover the heat dissipation slot 3, and then the staff grasps the side ear 16 to push the block 14 to move, and the block 14 will drive the movable column 10 to make the card plate 11 pass through the through slot 8, and then the staff rotates the card plate 11 ninety degrees through the movable column 10, and the card plate 11 will drive the plug plate 12 to rotate, so that the plug plate 12 will be in the same vertical plane as the card slot 13. At this time, the staff releases the hand holding the side ear 16, so that the spring 15 will pull the movable column 10 to insert the plug plate 12 into the card slot 13, thereby sealing the heat dissipation slot 3 to prevent dust from contaminating the circuit board 2.
[0026] The above description of the embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. An explosion-proof motor controller, comprising an explosion-proof housing (1) and a circuit board (2), It is characterized in that A heat dissipation groove (3) is provided on one side of the explosion-proof housing (1), a dustproof plate (4) is provided on one side of the explosion-proof housing (1), a docking plate (5) is fixedly connected to one side of the dustproof plate (4), a docking groove (6) adapted to the docking plate (5) is provided on the outer wall of the explosion-proof housing (1), and the dustproof plate (4) is fixed to the explosion-proof housing (1) via a connecting piece.
2. An explosion-proof motor controller according to claim 1, It is characterized in that The connecting member comprises a movable plate (7), a through slot (8) is provided on the top of the movable plate (7), a support plate (9) is fixedly connected to one side of the explosion-proof housing (1), a movable column (10) passes through the interior of the support plate (9), and a clamping plate (11) is fixedly connected to the top of the movable column (10).
3. An explosion-proof motor controller according to claim 2, It is characterized in that The bottom of the clamping plate (11) is fixedly connected to a plug plate (12), and the top of the movable plate (7) is provided with a clamping slot (13).
4. An explosion-proof motor controller according to claim 2, It is characterized in that A stopper (14) is fixedly connected to the bottom of the movable column (10), a spring (15) is abutted against the top of the stopper (14), and the spring (15) is sleeved on the outer wall of the movable column (10).
5. An explosion-proof motor controller according to claim 4, It is characterized in that A side ear (16) is fixedly connected to the bottom of the stopper (14).