Power supply control module capable of preventing connection wire from falling off
By designing a press-fit structure and a thermal conduction and heat dissipation system on the power supply control module, the problems of wiring fall off and heat dissipation are solved, and the stable operation of the module and electromagnetic shielding are achieved.
Patent Information
- Application Number
- CN202421694840.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-17
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-07-17
AI Technical Summary
During the installation and use of the existing power control module, external wiring is prone to fall off, resulting in home appliance work failure and lack of effective anti-falling measures.
A power control module that prevents wiring from falling off is designed, and a press-fit structure includes a fixing frame, inner hole, clamping board and fixing screws. These components are used to fix the external wiring to the module to prevent loosening.
It effectively prevents the wiring from falling off, ensures the stable operation of the power module, and achieves auxiliary heat dissipation and cooling through the thermal conductor plate and heat dissipation fins, as well as reduce electromagnetic interference through the shield cover.
Smart Images
Figure CN223007084U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of small household appliances, and particularly relates to a power control module for preventing wiring from falling off. Background Technique
[0002] Household appliances mainly refer to various electrical and electronic appliances used in families and similar places. Small household appliances generally refer to household appliances other than those with high-power output, such as rice cookers, electric fans, hair dryers, water dispensers and other appliances. During the working process inside small household appliances, since a power supply with too much power is not required, in order to make the household power adapt to the small power of small household appliances and ensure their normal operation, a power control module is needed to control and convert the household power, and convert the input voltage into the voltage required by the device.
[0003] However, during the installation and use of the power control module, the external wiring of the power control module is generally simply plugged and installed on the power control module. When the external connecting wire is subjected to a pulling force, it is easy to disconnect and fall off from the plugging position on the module, resulting in a malfunction of the household appliance. There are deficiencies, and it is not convenient to prevent the external wiring from falling off when the power module is installed and used.
[0004] Now, a new type of power control module for preventing wiring from falling off is proposed to solve the above deficiencies. Content of the Utility Model
[0005] The purpose of the utility model is to provide a power control module for preventing wiring from falling off, so as to solve the problem that it is not convenient to prevent the external wiring from falling off when the power module is installed and used as mentioned in the above background technique.
[0006] To achieve the above purpose, the utility model provides the following technical solution: A power control module for preventing wiring from falling off, including an outer frame and a power module board. The power module board is arranged inside the front end of the outer frame, and a plug socket is welded and fixed to the left side of the front end of the power module board. A connection wiring is arranged on the left side of the plug socket, and a plug terminal head is fixed to the right side of the connection wiring. A pressing structure for preventing the external wiring of the power control module from falling off is arranged on the left side of the front end of the power module board;
[0007] The pressing structure includes a fixing frame, inner holes, a clamping plate and fixing screws. The fixing frame is fixed to the left side of the front end of the power module board, and inner holes are respectively opened at the top and bottom of the front end of the fixing frame. A clamping plate is arranged at the front end of the fixing frame, and fixing screws are respectively arranged at the top and bottom of the front end of the clamping plate.
[0008] Furthermore, the connection wiring penetrates through the inside of the outer frame, and the rear end of the fixing screw penetrates through the inside of the clamping plate and is threadedly rotated and connected inside the inner hole.
[0009] Preferably, a card slot is provided inside the front end of the outer frame, and threaded holes are respectively provided at the four corners of the rear end inside the card slot. Connecting screws are respectively provided at the four corners of the front end of the power module board, and the rear ends of the connecting screws penetrate through the inside of the power module board. A bottom slot is provided inside the rear end of the outer frame, and the inside of the card slot is communicated with the inside of the bottom slot.
[0010] Furthermore, screw holes are respectively provided at the four corners of the front end inside the bottom slot. A heat conducting plate is provided at the front end inside the bottom slot, and heat dissipation fins are fixed to the rear end of the heat conducting plate. Mounting screws are respectively provided at the four corners of the rear end of the heat conducting plate. A heat conducting silica gel pad is adhesively fixed to the front end of the heat conducting plate, and is adhesively fixed between the front end of the heat conducting silica gel pad and the rear end of the power module board. First slots are respectively provided at the rear ends of the top and bottom of the outer frame, and the first slots respectively penetrate through the inside of the top and bottom ends of the outer frame and are communicated with the inside of the bottom slot.
[0011] Furthermore, the front ends of the mounting screws penetrate through the inside of the heat conducting plate and are rotatably connected to the inside of the screw holes. Multiple groups of the heat dissipation fins are equidistantly arranged at the rear end of the heat conducting plate, and the heat dissipation fins and the heat conducting plate are aluminum components.
[0012] Preferably, a shielding cover is provided at the front end of the outer frame, and connecting plates are respectively welded and fixed to both sides of the top and bottom ends of the shielding cover. The connecting plates are symmetrically arranged with respect to the horizontal center line of the shielding cover. Fixing bolts are provided on the connecting plates. Connecting holes are respectively provided at both sides of the top and bottom ends of the outer frame. Second slots are respectively provided inside both sides of the shielding cover, and an opening is provided inside the front end of the shielding cover.
[0013] Furthermore, the fixing bolts penetrate through the inside of the connecting plates and are rotatably connected to the inside of the connecting holes. Both sides of the second slot respectively penetrate through the inside of both sides of the shielding cover, and the opening penetrates through the inside of the front end of the shielding cover. Multiple groups of the openings are provided inside the front end of the shielding cover.
[0014] Preferably, fixing plates are respectively welded and fixed to the rear ends of the top and bottom of both sides of the outer frame, and mounting holes are provided inside the fixing plates.
[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: The power control module for preventing wire connection from falling off not only realizes the prevention of external wire connection from falling off during the installation and use of the power module, realizes the auxiliary heat dissipation and temperature reduction during the operation of the power module, but also realizes the prevention of electromagnetic interference for the power control module.
[0016] (1) By providing a power module board, a connecting cable, a plug-in terminal head, a socket, a fixing bracket, an inner hole, a clamping plate and fixing screws, when wiring after the power control module is installed, the plug-in terminal head on the right side of the connecting cable of the external wire harness is correspondingly inserted into the inside on the left side of the socket. Then, the right side of the connecting cable is placed inside the fixing bracket, and the clamping plate is fixed to the front end of the fixing bracket with fixing screws at the front end of the fixing bracket. After that, the wiring can be pressed and fixed inside the fixing bracket through the provided clamping plate. During the use of the module, the loosening and falling off of the wiring can be reduced and prevented;
[0017] (2) By providing a power module board, an outer frame, threaded holes, a card slot, connecting screws, a bottom slot, a first slot, heat dissipation fins, a heat conduction plate, a heat conduction silicone pad, screw holes and installation screws, when the power control module is installed and used, the provided heat conduction plate can be installed and fixed inside the bottom slot with installation screws and screw holes at the rear end of the outer frame. During the operation of the power module board, the heat generated by the main body can be conducted to the heat conduction plate through the heat conduction silicone pad, and then the heat can be assisted in dissipation by multiple groups of heat dissipation fins equally spaced at the rear end of the heat conduction plate, reducing the operating temperature of the power control module;
[0018] (3) By providing an outer frame, a power module board, fixing bolts, a connecting plate, a shielding cover, an opening, a second slot and connecting holes, when the power control module is installed and used, a shielding cover is installed and fixed at the front end of the outer frame. Through the provided shielding cover, the outside of the power module board can be covered. And because the aluminum metal material has good electrical conductivity and shielding performance, it can effectively absorb and reflect electromagnetic radiation, reducing and preventing external electromagnetic interference received during the operation of the power control module. At the same time, the shielding cover made of metal material has a certain mechanical strength and can also provide external protection for the power module board. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 is a front view sectional structure schematic diagram of the present utility model;
[0020] Figure 2 is a front view structure schematic diagram of the fixing bracket of the present utility model;
[0021] Figure 3 is an enlarged side view structure schematic diagram of the fixing bracket of the present utility model;
[0022] Figure 4 is an enlarged partial front view sectional structure schematic diagram of the outer frame of the present utility model;
[0023] Figure 5 is a partial side view sectional structure schematic diagram of the shielding cover of the present utility model.
[0024] In the figure: 1. Outer frame; 2. Power module board; 3. Connecting cable; 4. Plug-in terminal head; 5. Plug-in socket; 6. Fixed plate; 7. Mounting hole; 8. Threaded hole; 9. Card slot; 10. Connecting screw; 11. Fixed bracket; 12. Inner hole; 13. Card board; 14. Fixed screw; 15. Bottom slot; 16. First slot; 17. Heat dissipation fin; 18. Heat conduction plate; 19. Heat conduction silicone pad; 20. Mounting screw; 21. Screw hole; 22. Fixed bolt; 23. Connecting plate; 24. Shielding cover; 25. Opening; 26. Second slot; 27. Connecting hole. Detailed implementation mode
[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0026] Embodiment 1: Please refer to Figures 1-5 , a power control module for preventing wire connection from falling off, including an outer frame 1 and a power module board 2. The power module board 2 is arranged inside the front end of the outer frame 1, and a plug-in socket 5 is welded and fixed to the left side of the front end of the power module board 2. A connecting cable 3 is arranged on the left side of the plug-in socket 5, and a plug-in terminal head 4 is fixed to the right side of the connecting cable 3. A pressing structure for preventing the external wiring of the power control module from falling off is arranged on the left side of the front end of the power module board 2;
[0027] The pressing structure includes a fixed bracket 11, an inner hole 12, a card board 13 and a fixed screw 14. The fixed bracket 11 is fixed to the left side of the front end of the power module board 2, and inner holes 12 are respectively opened at the top and bottom of the front end of the fixed bracket 11. A card board 13 is arranged at the front end of the fixed bracket 11, and fixed screws 14 are respectively arranged at the top and bottom of the front end of the card board 13. The connecting cable 3 penetrates through the inside of the outer frame 1, and the rear end of the fixed screw 14 penetrates through the inside of the card board 13 and is threadedly rotated and connected inside the inner hole 12;
[0028] Specifically, as Figures 1-3 shown, after the plug-in terminal head 4 on the right side of the external wire harness connecting cable 3 is correspondingly inserted into the inside of the left side of the plug-in socket 5 for installation, then the right side position of the connecting cable 3 is placed inside the fixed bracket 11, and after the card board 13 is fixed and installed at the front end of the fixed bracket 11 by using the fixed screw 14 at the front end of the fixed bracket 11, the wiring can be assisted and pressed and fixed inside the fixed bracket 11 through the arranged card board 13 to prevent the wiring from loosening and falling off.
[0029] Embodiment 2: A card slot 9 is provided inside the front end of the outer frame 1, and threaded holes 8 are respectively provided at the four corners of the rear end inside the card slot 9. Connecting screws 10 are respectively provided at the four corners of the front end of the power module board 2, and the rear ends of the connecting screws 10 penetrate through the inside of the power module board 2. A bottom slot 15 is provided inside the rear end of the outer frame 1. The inside of the card slot 9 is communicated with the inside of the bottom slot 15. Screwed holes 21 are respectively provided at the four corners of the front end inside the bottom slot 15. A heat conducting plate 18 is provided at the front end inside the bottom slot 15, and heat dissipation fins 17 are fixed to the rear end of the heat conducting plate 18. Mounting screws 20 are respectively provided at the four corners of the rear end of the heat conducting plate 18. A heat conducting silicone pad 19 is adhesively fixed to the front end of the heat conducting plate 18, and the front end of the heat conducting silicone pad 19 is adhesively fixed to the rear end of the power module board 2. First slots 16 are respectively provided at the rear ends of the top and bottom of the outer frame 1, and the first slots 16 respectively penetrate through the inside of the top and bottom ends of the outer frame 1 and are communicated with the inside of the bottom slot 15. The front ends of the mounting screws 20 penetrate through the inside of the heat conducting plate 18 and are rotatably connected inside the screwed holes 21. Multiple groups of heat dissipation fins 17 are equidistantly arranged at the rear end of the heat conducting plate 18. The heat dissipation fins 17 and the heat conducting plate 18 are aluminum components;
[0030] Specifically, as Figure 1 and Figure 4 shown, after the provided heat conducting plate 18 is installed and fixed inside the bottom slot 15 by using the mounting screws 20 and the screwed holes 21 at the rear end of the outer frame 1, during the operation of the power module board 2, the heat generated by the main body can be conducted to the heat conducting plate 18 through the heat conducting silicone pad 19, and then the multiple groups of heat dissipation fins 17 fixed equidistantly at the rear end of the heat conducting plate 18 can be used for auxiliary heat dissipation to reduce the working temperature of the power control module.
[0031] Embodiment 3: A shielding cover 24 is provided at the front end of the outer frame 1, and connecting plates 23 are respectively welded and fixed to both sides of the top and bottom ends of the shielding cover 24. The connecting plates 23 are symmetrically arranged about the horizontal center line of the shielding cover 24. Fixing bolts 22 are provided on the connecting plates 23. Connecting holes 27 are respectively provided on both sides of the top and bottom ends of the outer frame 1. Second slots 26 are respectively provided inside both sides of the shielding cover 24. An opening 25 is provided inside the front end of the shielding cover 24. The fixing bolts 22 penetrate through the inside of the connecting plates 23 and are rotatably connected inside the connecting holes 27. Both sides of the second slot 26 respectively penetrate through the inside of both sides of the shielding cover 24. The opening 25 penetrates through the inside of the front end of the shielding cover 24. Multiple groups of the opening 25 are provided inside the front end of the shielding cover 24;
[0032] Specifically, as Figure 1 and Figure 5As shown in the figure, a shielding cover 24 is fixedly installed at the front end of the outer frame 1. By setting the shielding cover 24, the outside of the power module board 2 can be covered. Moreover, since the aluminum metal material has good electrical conductivity and shielding performance, it can effectively absorb and reflect electromagnetic radiation, reduce and prevent external electromagnetic interference when the power control module is working. At the same time, the shielding cover 24 made of metal material has a certain mechanical strength and can also provide external protection for the power module board 2.
[0033] Fixed plates 6 are respectively welded and fixed at the rear ends of the top and bottom on both sides of the outer frame 1, and mounting holes 7 are provided inside the fixed plates 6.
[0034] Working principle: When wiring after the power control module of the present utility model is installed, after the plug-in terminal head 4 on the right side of the connecting wire harness 3 is correspondingly inserted into the internal installation on the left side of the socket 5, then the right side position of the connecting wire harness 3 is placed inside the fixing frame 11. And after the clamping plate 13 is fixedly installed at the front end of the fixing frame 11 by using the fixing screw 14 at the front end of the fixing frame 11, the wiring can be assisted and press-fixed inside the fixing frame 11 through the set clamping plate 13 to prevent loosening and falling off. At the same time, when the power control module is installed and used, the heat conducting plate 18 provided can be fixedly installed inside the bottom groove 15 by using the installation screw 20 and the screw hole 21 at the rear end of the outer frame 1. During the working process of the power module board 2, the heat generated by the main body can be conducted to the heat conducting plate 18 through the heat conducting silica gel pad 19, and then the heat can be assisted in dissipating by multiple groups of heat dissipation fins 17 fixed at equal intervals at the rear end of the heat conducting plate 18, reducing the working temperature of the power control module. And when the power control module is installed and used, a shielding cover 24 is fixedly installed at the front end of the outer frame 1. The set shielding cover 24 can cover the outside of the power module board 2. Moreover, since the aluminum metal material has good electrical conductivity and shielding performance, it can effectively absorb and reflect electromagnetic radiation and prevent electromagnetic interference. At the same time, the shielding cover 24 made of metal material has a certain mechanical strength and can also provide external protection for the power module board 2.
[0035] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, it is intended to include all changes falling within the meaning and scope of the equivalent elements of the claims in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.
Claims
1. A power control module for preventing wiring from falling off, comprising an outer frame (1) and a power module board (2), characterized in that: A power module board (2) is arranged inside the front end of the outer frame (1), and a socket (5) is welded and fixed on the left side of the front end of the power module board (2), a connecting cable (3) is arranged on the left side of the socket (5), and a plug-in terminal head (4) is fixed on the right side of the connecting cable (3), and a press-fit structure for preventing the external wiring of the power control module from falling off is arranged on the left side of the front end of the power module board (2); The press-fit structure comprises a fixing frame (11), an inner hole (12), a clamping plate (13) and a fixing screw (14); the fixing frame (11) is fixed to the left side of the front end of the power module board (2), and the top and bottom of the front end of the fixing frame (11) are respectively provided with the inner hole (12); the front end of the fixing frame (11) is provided with a clamping plate (13), and the top and bottom of the front end of the clamping plate (13) are respectively provided with the fixing screw (14).
2. A power control module for preventing wiring from falling off according to claim 1, characterized in that: The connecting cable (3) passes through the interior of the outer frame (1), and the rear end of the fixing screw (14) passes through the interior of the clamping plate (13) and is threadedly connected to the interior of the inner hole (12).
3. A power control module for preventing wiring from falling off according to claim 1, characterized in that: A card slot (9) is provided inside the front end of the outer frame (1), and threaded holes (8) are provided at four corners at the rear end of the card slot (9), connecting screws (10) are provided at the four corners at the front end of the power module board (2), and the rear ends of the connecting screws (10) penetrate the inside of the power module board (2), and a bottom groove (15) is provided inside the rear end of the outer frame (1), and the card slot (9) is connected to the inside of the bottom groove (15).
4. A power control module for preventing wiring from falling off according to claim 3, characterized in that: Screw holes (21) are respectively provided at the four corners of the front end of the bottom groove (15), a heat conducting plate (18) is provided at the front end of the bottom groove (15), and a heat dissipation fin (17) is fixed at the rear end of the heat conducting plate (18), mounting screws (20) are respectively provided at the four corners of the rear end of the heat conducting plate (18), a heat conducting silicone pad (19) is glued and fixed to the front end of the heat conducting plate (18), and the front end of the heat conducting silicone pad (19) is glued and fixed to the rear end of the power module board (2), and the rear ends of the top and bottom of the outer frame (1) are respectively provided with first slots (16), and the first slots (16) respectively penetrate the interior of the top and bottom ends of the outer frame (1) and are connected to the interior of the bottom groove (15).
5. A power control module for preventing wiring from falling off according to claim 4, characterized in that: The front end of the mounting screw (20) passes through the interior of the heat conducting plate (18) and is rotatably connected to the interior of the screw hole (21); a plurality of heat dissipation fins (17) are arranged at equal intervals at the rear end of the heat conducting plate (18); and the heat dissipation fins (17) and the heat conducting plate (18) are aluminum components.
6. A power control module for preventing wiring from falling off according to claim 1, characterized in that: A shielding cover (24) is provided at the front end of the outer frame (1), and connecting plates (23) are respectively welded and fixed on both sides of the top and bottom ends of the shielding cover (24), the connecting plates (23) are symmetrically arranged about the horizontal center line of the shielding cover (24), and fixing bolts (22) are arranged on the connecting plates (23), connecting holes (27) are respectively provided on both sides of the top and bottom ends of the outer frame (1), second slots (26) are respectively provided inside the two sides of the shielding cover (24), and an opening (25) is provided inside the front end of the shielding cover (24).
7. A power control module for preventing wiring from falling off according to claim 6, characterized in that: The fixing bolt (22) passes through the interior of the connecting plate (23) and is rotatably connected to the interior of the connecting hole (27); the two sides of the second slot (26) respectively pass through the interiors of the two sides of the shielding cover (24); the opening (25) passes through the interior of the front end of the shielding cover (24); and a plurality of groups of the openings (25) are arranged inside the front end of the shielding cover (24).
8. The power control module for preventing wiring from falling off according to claim 1, characterized in that: Fixing plates (6) are respectively welded and fixed at the rear ends of the top and bottom of both sides of the outer frame (1), and mounting holes (7) are provided inside the fixing plates (6).