Electric shock prevention structure of power supply module
The protective shell design utilizes flip covers and grooves to protect the wiring terminals, while the top cover and bottom plate protect the power module body. This solves the problem of easy damage or electric shock during wiring in existing technologies, and improves the safety and stability of the power module.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-16
- Publication Date
- 2026-04-07
AI Technical Summary
The existing power module protection structure requires complete disassembly during wiring, which can easily lead to contact with components, causing damage or electric shock, and reducing the protection effect.
The protective shell consists of a top cover, a bottom plate, and a flip cover. The flip cover is movably connected to the groove via a damping pivot. The top cover and the bottom plate are connected by bolts. The flip cover and the groove provide protection for the wiring terminals, while the top cover and the bottom plate provide protection for the power module body. Combined with a cooling fan and ventilation slots, heat dissipation is ensured.
This allows users to avoid touching power module components during wiring, reducing the risk of electric shock and improving safety, stability, and lifespan of the power module.
Smart Images

Figure CN224097958U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to power module protection equipment field, specifically, it is a kind of electric shock prevention structure of power module. BACKGROUND
[0002] Power module is the power supply that can be directly mounted on printed circuit board, its characteristics are to provide power for special integrated circuit, digital signal processor, microprocessor, memory, field programmable gate array and other digital or analog load, since the advantage of modular structure is much, so module power is widely used in switching equipment, access equipment, mobile communication, microwave communication and optical transmission, router and other communication fields and automobile electronics, aerospace etc.;
[0003] Since the module of power module is mostly exposed state, it is easy to cause electric shock, it is not conducive to protection, in order to prevent electric shock, protective device is usually used to cover power module to reduce the contact of power module and external;
[0004] According to Chinese patent application No. 202323576504.1, a kind of electric shock prevention structure of power module is disclosed, including lower protective device, the lower protective device includes protective shell, the middle part of the protective shell is provided with placement table, the lower end of the placement table is fixedly provided with power module body in middle part, the connecting groove is opened between the protective shell and placement table, the lower protective device left and right ends are provided with wiring protection device, the upper end of the lower protective device is provided with upper protective device, the gap between protective cover and protective shell is filled by first rubber block and second rubber block, so that water and dust cannot easily enter in protective cover and protective shell, at the same time, the power module body in the device is reduced air contact, prevent the leakage and short circuit phenomenon, by protective ring, the end of wiring connection needed by power module body is covered and protected, at the same time, prevent the metal wire in wiring from being exposed to user and causing injury;
[0005] The prior art effectively solves the problem that power module is exposed and easy to cause electric shock, and is not conducive to protection, has the advantages that power module can be protected to avoid electric shock, but the electric shock prevention protection structure needs to be disassembled as a whole when wiring power module, and the elements on power module are easily touched when wiring, causing power module damage or electric shock, thereby reducing the use effect of protection structure.
[0006] Therefore, the utility model provides an electric shock prevention structure of power module to solve the above problems. UTILITY MODEL CONTENTS
[0007] To solve the above technical problems, the utility model provides the following technical scheme:
[0008] An anti-electric shock structure for a power module includes a protective shell. The protective shell includes a top cover, a bottom plate, and a flip cover. One end of the top cover has a groove. The bottom plate is located at the bottom of the top cover. A power module body and a terminal block are fixedly connected to the top of the bottom plate. The terminal block is located at one end of the top of the bottom plate and is located in the inner cavity of the groove. The input end of the terminal block is connected to the output end of the power module body. The flip cover is located in the inner cavity of the groove and is movably connected to the inner cavity of the groove. A slot is formed on the surface of the flip cover. The terminal block is used for extending wiring. The flip cover and the groove are used to protect the terminal block. The top cover and the bottom plate are used to protect the power module body.
[0009] Furthermore, in this utility model, the wiring terminal is connected to the base plate by bolts, and the flip cover is movably connected to the inner wall of the groove by a damping pivot.
[0010] Furthermore, in this utility model, the top cover and the bottom plate are connected by bolts, and the power module body and the bottom plate are connected by bolts.
[0011] Furthermore, in this utility model, ventilation slots are provided on both the front and back of the top cover, and the ventilation slots are used for ventilation.
[0012] Furthermore, in this utility model, a cooling fan and a cable inlet are installed at the other end of the top cover. The cooling fan is used for heat dissipation, and the inner cavity of the cable inlet is connected to the inner cavity of the top cover.
[0013] Beneficial effects: This utility model has the following beneficial effects:
[0014] This utility model consists of a top cover, a bottom plate, and a flip cover forming a protective shell. The flip cover and the groove provide protection for the wiring terminals, while the top cover and the bottom plate provide protection for the power module body. This prevents personnel from directly contacting the live wiring terminals and the power module body, effectively reducing the risk of electric shock and ensuring user safety. The flip cover is movably connected to the inner wall of the groove via a damping pivot, allowing it to be flexibly opened and closed during use, facilitating wiring operations while providing timely protection when not in use. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the main structure of this utility model;
[0016] Figure 2 This is a schematic diagram of the structure of this utility model from below;
[0017] Figure 3 This is a schematic diagram of the rear view structure of this utility model;
[0018] Figure 4 This is a schematic diagram of the connection structure between the protective shell and the wiring terminal of this utility model.
[0019] Figure 5 This is a schematic diagram showing the connection structure of the power module body, wiring terminals, and base plate of this utility model.
[0020] In the picture:
[0021] 1. Protective shell; 11. Top cover; 12. Base plate; 13. Flip cover; 14. Groove; 15. Card slot; 16. Ventilation slot; 17. Cable entry hole; 2. Power module body; 3. Wiring terminal; 4. Cooling fan. Detailed Implementation
[0022] To better understand the technical content of this utility model, specific embodiments are described below in conjunction with the accompanying drawings. Various aspects of this utility model are described in this disclosure with reference to the accompanying drawings, which illustrate numerous illustrative embodiments. The embodiments of this disclosure are not necessarily defined to include all aspects of this utility model. It should be understood that the various concepts and embodiments described above, as well as those described in more detail below, can be implemented in any of many ways, because the concepts and embodiments disclosed in this utility model are not limited to any particular implementation. Furthermore, some aspects of this utility model can be used alone or in any suitable combination with other aspects disclosed in this utility model.
[0023] Example 1
[0024] like Figures 1-5 As shown, this is the first embodiment of the present invention. This embodiment provides an anti-electric shock structure for a power module, including a protective shell 1. The protective shell 1 includes a top cover 11, a bottom plate 12, and a flip cover 13. A groove 14 is provided at one end of the top cover 11. The bottom plate 12 is located at the bottom of the top cover 11. A power module body 2 and a terminal block 3 are fixedly connected to the top of the bottom plate 12. The terminal block 3 is located at one end of the top of the bottom plate 12 and is located in the inner cavity of the groove 14. The input end of the terminal block 3 is connected to the output end of the power module body 2. The flip cover 13 is located in the inner cavity of the groove 14 and is movably connected to the inner cavity of the groove 14. A slot 15 is provided on the surface of the flip cover 13. The terminal block 3 is used for extending the wiring. The flip cover 13 and the groove 14 are used to protect the terminal block 3. The top cover 11 and the bottom plate 12 are used to protect the power module body 2.
[0025] like Figures 1-5As shown, the top cover 11, the bottom plate 12, and the flip cover 13 are all made of plastic or ceramic with good insulation properties. The groove 14 is used to accommodate the flip cover 13 and the wiring terminal 3, and can provide protection for them. The top cover 11 and the bottom plate 12 cooperate to provide protection for the power module body 2. When wiring is required, simply flip the flip cover 13 upwards to expose the wiring terminal 3, thereby avoiding contact with the components on the surface of the power module body 2 during wiring operations, which could cause electric shock or damage, and effectively reduce the risk of electric shock.
[0026] Example 2
[0027] Reference Figures 1-5 This is the second embodiment of the present invention, which is based on the previous embodiment.
[0028] In this embodiment, the terminal block 3 is connected to the base plate 12 by bolts, and the flip cover 13 is movably connected to the inner wall of the groove 14 by a damping pivot.
[0029] The top cover 11 is connected to the base plate 12 by bolts, and the power module body 2 is connected to the base plate 12 by bolts.
[0030] Ventilation slots 16 are provided on both the front and back of the top cover 11 for ventilation.
[0031] The other end of the top cover 11 is equipped with a cooling fan 4 and a cable inlet 17. The cooling fan 4 is used for heat dissipation, and the inner cavity of the cable inlet 17 is connected to the inner cavity of the top cover 11.
[0032] like Figures 1-5 As shown, the terminal block 3 is connected to the base plate 12, the top cover 11 is connected to the base plate 12, and the power module body 2 is connected to the base plate 12 by bolts. This connection method not only ensures the stability of the structure and makes the connection between the various components tight, ensuring the normal operation of the power module body 2, but also facilitates disassembly and installation when maintenance or replacement of components is required, reducing the difficulty and cost of maintenance. The combined action of the cooling fan 4 and the ventilation slot 16 ensures good ventilation and heat dissipation of the power module body 2, improving the stability and service life of the power module body 2. The inlet hole 17 guides the input line through, facilitating connection with the power module body 2.
[0033] When using the power module 2, the user simply opens the flip cover 13 to expose the wiring terminals 3 for wiring. After wiring, the flip cover 13 is closed and locked in the groove 14. At this time, the slot 15 can position the wire harness to prevent it from becoming messy. The flip cover 13 and the groove 14 together provide comprehensive protection for the wiring terminals 3. The top cover 11 and the bottom plate 12 together provide a sturdy protective shell for the power module 2, ensuring its safety during use. The cooling fan 4 and the ventilation slot 16 work together to ensure good ventilation and heat dissipation for the power module 2, improving the stability and service life of the power module 2.
[0034] All standard parts used in this application can be purchased from the market, and can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art and is common knowledge in the field. Since this application is mainly used to protect mechanical devices, the control method and circuit connection will not be explained in detail in this application.
[0035] Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Those skilled in the art to which this invention pertains can make various modifications and refinements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of this invention shall be determined by the claims.
Claims
1. An anti-electric shock structure for a power module, comprising a protective shell (1), characterized in that: The protective shell (1) includes a top cover (11), a bottom plate (12), and a flip cover (13). One end of the top cover (11) has a groove (14). The bottom plate (12) is located at the bottom of the top cover (11). The top of the bottom plate (12) is fixedly connected to the power module body (2) and the terminal block (3). The terminal block (3) is located at one end of the top of the bottom plate (12) and in the inner cavity of the groove (14). The input end of the terminal block (3) is connected to the output end of the power module body (2). The flip cover (13) is located in the inner cavity of the groove (14) and is movably connected to the inner cavity of the groove (14). The surface of the flip cover (13) has a slot (15). The terminal block (3) is used for extending the wiring. The flip cover (13) and the groove (14) are used to protect the terminal block (3). The top cover (11) and the bottom plate (12) are used to protect the power module body (2).
2. The anti-electric shock structure of the power module as described in claim 1, characterized in that: The terminal block (3) is connected to the base plate (12) by bolts, and the flip cover (13) is movably connected to the inner wall of the groove (14) by a damping shaft.
3. The anti-electric shock structure of the power module as described in claim 1, characterized in that: The top cover (11) and the bottom plate (12) are connected by bolts, and the power module body (2) and the bottom plate (12) are connected by bolts.
4. The anti-electric shock structure of the power module as described in claim 1, characterized in that: The top cover (11) has ventilation slots (16) on both the front and back sides, and the ventilation slots (16) are used for ventilation.
5. The anti-electric shock structure of the power module as described in claim 1, characterized in that: The other end of the top cover (11) is equipped with a cooling fan (4) and a cable inlet (17). The cooling fan (4) is used for heat dissipation, and the inner cavity of the cable inlet (17) is connected to the inner cavity of the top cover (11).
Citation Information
Patent Citations
Electric shock prevention structure of power supply module
CN221448862U