Power supply with waterproof housing
By improving the design of the power supply's heat dissipation components, fixing components, and waterproof bolts, the problems of poor sealing and heat dissipation in humid environments and poor impact resistance have been solved, achieving better waterproofing and shock absorption effects and ensuring stable operation of the power supply.
Patent Information
- Application Number
- CN202423106757.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-17
AI Technical Summary
Traditional power supplies are easily damaged in humid environments, have poor sealing and heat dissipation, and are not resistant to impact.
The design employs a combination of heat dissipation components, fixing components, shock absorption components, and waterproof bolts. By utilizing the structure of heat dissipation grooves, sealing strips, damping plates, and damping plate seats, it achieves better heat dissipation, sealing, and shock absorption effects.
It improves the power supply's waterproof performance and impact resistance in humid environments, ensuring stable operation of the circuit board.
Smart Images

Figure CN223584579U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to waterproof power supply technical field, more specifically is a power supply with waterproof shell. BACKGROUND
[0002] Traditional power supply lacks waterproof protection and is easily damaged in humid or water environment. With the increase of outdoor electrical equipment, such as field monitoring, water transportation tool charging demand, etc., the power supply is exposed to rainwater and humidity, and the risk is greatly increased. Water short circuit of electronic components can cause failure and even safety problems. Therefore, it is inevitable to develop a waterproof shell power supply. Waterproof shell technology involves the selection of sealing materials, structure design optimization and other aspects to ensure the safe and stable operation of the power supply in harsh environments.
[0003] The patent document with publication number CN220653777U in the prior art provides: a waterproof power supply anti-water shell, including main panel, side panel and bottom panel, the main panel, side panel and bottom panel back are provided with conductive adhesive layer and tenon, the conductive adhesive layer below is provided with magnetic rubber pad, the tenon penetrates conductive adhesive layer and magnetic rubber pad and is provided, the magnetic rubber pad is inlaid with copper wire mesh, the copper wire mesh surface is silver-plated and set, the junction of main panel, side panel and bottom panel is provided with connecting piece, the connecting piece is cuboid and set, the end face and side face of connecting piece are provided with mortise, the main panel, side panel and bottom panel are connected through tenon and mortise;The power supply shell has excellent shielding performance, however, in the above document, although the power supply can be wrapped and shielded, there are gaps between the main panel, side panel and bottom panel, and water can easily enter from the gaps, resulting in poor waterproof performance of the shell and inconvenient use.
[0004] Although the device has many advantages, it still has the following problems: although the device has sealing and heat dissipation components during use, the sealing and heat dissipation effects may not be very good in actual use; secondly, although there are fixing components, they may not be able to take measures to deal with the impact, and the power supply cannot be better protected, so improvement is needed. In view of this, we propose a power supply with waterproof shell. Utility model content
[0005] 1. Technical problem to be solved
[0006] The utility model aims to provide a power supply with waterproof shell to solve the problems of poor sealing and heat dissipation effect and poor impact resistance in the background art.
[0007] 2. Technical scheme
[0008] To achieve the above purpose, the utility model provides the following technical scheme:
[0009] A power supply with a waterproof shell, comprising: a heat dissipation assembly, a fixing assembly arranged inside the heat dissipation assembly, a damping assembly arranged at the bottom of the fixing assembly, and a waterproof bolt arranged on the outer wall of the heat dissipation assembly.
[0010] Wherein,
[0011] The heat dissipation assembly comprises a top cover, a heat dissipation plate fixedly arranged at the bottom of the top cover, a sealing strip arranged at the bottom of the top cover, and a bottom shell arranged at the bottom of the sealing strip.
[0012] The fixing assembly comprises a heat-conducting pad arranged at the bottom of the heat dissipation plate, a circuit board arranged at the bottom of the heat-conducting pad, and a base arranged at the bottom of the circuit board.
[0013] The damping assembly comprises a damping plate base arranged at the top of the bottom shell, a stretching shell and two damping springs arranged at the top of the damping plate base, and a damping plate arranged at the top of the damping springs.
[0014] The waterproof bolt comprises a hexagonal bolt arranged on the outer wall of the bottom shell and a shell screw.
[0015] Preferably, the top of the top cover and the two sides of the bottom shell are both provided with heat dissipation grooves, and the heat dissipation grooves are composed of a plurality of semicylindrical grooves.
[0016] Preferably, the inside of the bottom shell is provided with a clamping groove, and the outer wall of the bottom shell is provided with a wire outlet hole.
[0017] Preferably, the top of the circuit board is provided with a plurality of fixing screws, and a plurality of grooves matched with the fixing screws are arranged on the circuit board.
[0018] Preferably, the inside of the base is provided with a base groove, and the size of the base groove is matched with that of the circuit board.
[0019] Preferably, the top of the damping plate base is fixedly provided with a limiting clamp one, the bottom of the damping plate is fixedly provided with a limiting clamp two, and the top of the damping plate is fixedly provided with a screw fixing groove.
[0020] Preferably, one side of the hexagonal bolt is provided with a rubber sleeve, the other side of the hexagonal bolt is provided with a sealing gasket one, and the outer side of the shell screw is provided with a sealing gasket two.
[0021] 3. Beneficial effects
[0022] Compared with the prior art, the power supply has the advantages that:
[0023] The utility model discloses a waterproof shell is provided for the power supply, and the waterproof shell is composed of the top cover, the bottom shell, the heat dissipation assembly, the fixed assembly and the damping assembly, and the heat dissipation assembly is composed of the heat dissipation groove, the heat dissipation plate and the heat conduction pad, and the fixed assembly is composed of the fixed block, the fixed screw and the base, and the damping assembly is composed of the damping plate, the damping spring and the damping plate seat.
[0024] Secondly, the limiting card two and the limiting card one are mutually sleeved on the damping plate and the damping plate seat, the damping spring in the middle of the damping plate and the damping plate seat plays the role of buffering and shock absorption, effectively protects the circuit board in the power supply when being impacted, and avoids the influence on the work of the circuit board. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 It is the whole schematic diagram of the utility model of a kind of power supply with waterproof shell;
[0026] Figure 2 It is the heat dissipation assembly schematic diagram of the utility model of a kind of power supply with waterproof shell;
[0027] Figure 3 It is the fixed assembly split schematic diagram of the utility model of a kind of power supply with waterproof shell;
[0028] Figure 4 It is the damping assembly split schematic diagram of the utility model of a kind of power supply with waterproof shell;
[0029] Figure 5 It is the waterproof bolt schematic diagram of the utility model of a kind of power supply with waterproof shell;
[0030] Mark explanation in drawing: 100, heat dissipation assembly;110, top cover;120, heat dissipation groove;130, heat dissipation plate;140, sealing strip;150, bottom shell;160, clamping groove;170, wire hole;180, fixed block;200, fixed assembly;210, heat conduction pad;220, circuit board;230, fixed screw;240, base;250, base groove;300, damping assembly;310, damping plate seat;320, limiting card one;330, stretch shell;340, damping spring;350, damping plate;360, limiting card two;370, screw fixing groove;400, waterproof bolt;410, hexagonal bolt;420, rubber sleeve;430, sealing pad one;440, shell screw;450, sealing pad two. DETAILED DESCRIPTION
[0031] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0032] In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly specified and limited.
[0033] In the description of the utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, or can be connected internally between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0034] A power supply with a waterproof shell, please refer to Figures 1-5 , comprising: a heat dissipation assembly 100, a fixing assembly 200 arranged inside the heat dissipation assembly 100, a damping assembly 300 arranged at the bottom of the fixing assembly 200 and a waterproof bolt 400 arranged on the outer wall of the heat dissipation assembly 100.
[0035] Among them,
[0036] The bottom of the top cover 110 is tightly welded with a heat dissipation plate 130, the bottom of the top cover 110 is provided with a sealing strip 140, the bottom of the sealing strip 140 is provided with a bottom shell 150, and the two sides of the bottom shell 150 are tightly welded with fixing blocks 180.
[0037] In some examples, the sealing strip 140 is made of PPEPDM, which generally refers to a blended material based on polypropylene (PP) and ethylene propylene diene rubber (EPDM). This material combines the high strength, high rigidity and easy processability of PP and the excellent weather resistance, ozone resistance and chemical corrosion resistance of EPDM. PPEPDM material has been widely used in the fields of automobiles, buildings, wire and cable, shoe materials, seals and the like.
[0038] The fixing assembly 200 comprises a heat-conducting pad 210 arranged at the bottom of the heat-dissipating plate 130, the bottom of the heat-conducting pad 210 is provided with a circuit board 220, the bottom of the circuit board 220 is provided with a base 240, and the heat-conducting pad 210 is made of organic silicone resin;
[0039] The damping assembly 300 comprises a damping plate base 310 arranged at the top of the bottom shell 150, the top of the damping plate base 310 is provided with a stretching shell 330 and two damping springs 340, the top of the damping spring 340 is provided with a damping plate 350, and the damping plate 350 is made of high-molecular damping material;
[0040] The waterproof bolt 400 comprises a hexagonal bolt 410 arranged on the outer wall of the bottom shell 150 and a shell screw 440.
[0041] Meanwhile, in order to achieve good heat dissipation, the top of the top cover 110 and the two sides of the bottom shell 150 are both provided with heat-dissipating grooves 120, and the heat-dissipating grooves 120 are composed of a plurality of semicylindrical grooves.
[0042] The heat generated by the circuit board 220 is transmitted to the heat-dissipating plate 130 through the heat-conducting pad 210, the heat-dissipating plate 130 is made of aluminum alloy and is attached to the top cover 110, so that the heat-dissipating plate 130 can transmit heat to the top cover 110, the semicylindrical grooves in the top cover 110 are used to increase the contact area with air, and finally the top cover 110 dissipates heat to the air, thereby achieving good heat dissipation.
[0043] Further, in order to place the circuit board 220, the inside of the bottom shell 150 is provided with a clamping groove 160, and the outer wall of the bottom shell 150 is provided with a wire outlet hole 170.
[0044] It is worth mentioning that, in order to facilitate the installation of the fixing screws 230 on the base 240, the top of the circuit board 220 is threadedly connected with four fixing screws 230, and a plurality of grooves matched with the fixing screws 230 are arranged on the circuit board 220.
[0045] It is worth noting that, in order to place the circuit board 220, the inside of the base 240 is provided with a base groove 250, and the size of the base groove 250 is matched with that of the circuit board 220.
[0046] Then, in order to achieve good damping effect, the top of the damping plate base 310 is tightly welded with a limiting clamp one 320, the bottom of the damping plate 350 is tightly welded with a limiting clamp two 360, and the top of the damping plate 350 is provided with a screw fixing groove 370.
[0047] When impacted, the force generated by the top cover 110 and the bottom shell 150 is transmitted to the circuit board 220, at this time the circuit board 220 transmits the force to the bottom base 240 below, the bottom base 240 ensures that the overall force of the circuit board 220 is uniform, the bottom base 240 transmits the force to the damping plate 350 through the screw fixing groove 370, the damping plate 350 transmits the force to the damping plate base 310 through the damping spring 340, the limiting clamp two 360 and the limiting clamp one 320 limit the moving direction of the damping plate 350 and the damping plate base 310, the stretching shell 330 plays a stabilizing role, so that the whole combination has good damping effect.
[0048] Subsequently, in order to have good waterproof effect, specifically, the hexagonal bolt 410 is installed with a rubber sleeve 420 on one side, the hexagonal bolt 410 is installed with a sealing gasket one 430 on the other side, the outer side of the shell screw 440 is installed with a sealing gasket two 450;
[0049] Among them, in order to cooperate with the sealing strip 140 to form better waterproof effect, the sealing gasket one 430 and the sealing gasket two 450 are added to the side of the hexagonal bolt 410 and the shell screw 440, the sealing strip 140 prevents water from entering the top cover 110, the sealing gasket one 430 and the sealing gasket two 450 prevent water from flowing into the inside from the screw hole of the bottom shell 150, the rubber sleeve 420 prevents water from flowing into the power supply from the pores of the wire, the whole process thus completes the better sealing effect, preventing the short circuit caused by the water flow to the circuit board 220.
[0050] In some examples, the material of the sealing gasket one 430 and the sealing gasket two 450 is rubber, the rubber gasket has the performance of oil resistance, acid and alkali resistance, cold and heat resistance, aging resistance, etc., can be directly cut into various shapes of sealing gasket, and is widely used in medicine, electronics, chemical industry, antistatic, flame retardant, food industry, etc.
[0051] Working principle:
[0052] When the device is working, the heat dissipation component 100 starts working after the power supply is started, heat conduction is realized through the heat dissipation groove 120 on the top cover 110, and the heat dissipation plate 130 conducts the heat generated inside to the outside. At the same time, the sealing strip 140 ensures the close connection between the bottom shell 150 and the top cover 110, preventing moisture from entering. The heat-conducting pad 210 in the fixing component 200 further conducts the heat on the circuit board 220 to the heat dissipation plate 130, and the circuit board 220 is stably installed on the base 240 through the fixing screw 230. The base groove 250 ensures the stable installation of the circuit board 220. In the damping component 300, the damping spring 340 and the damping plate 350 jointly act to reduce the vibration generated when the power supply is hit during operation. The damping plate seat 310 and the limiting card one 320, the limiting card two 360 ensure the stable movement of the damping plate 350, and the screw fixing groove 370 provides an additional fixing point to facilitate the fixation of the circuit board 220. The waterproof bolt 400 tightly connects the bottom shell 150 with the external structure through the hexagonal bolt 410 and the shell screw 440, and the rubber sleeve 420, the sealing pad one 430 and the sealing pad two 450 jointly provide additional waterproof protection, ensuring the stable operation of the power supply in a humid environment.
[0053] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and descriptions in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A power supply having a water resistant housing, characterized by, The utility model relates to a heat dissipation assembly (100), a fixing assembly (200) arranged inside the heat dissipation assembly (100), a damping assembly (300) arranged at the bottom of the fixing assembly (200) and a waterproof bolt (400) arranged on the outer wall of the heat dissipation assembly (100). The heat dissipation assembly (100) comprises a top cover (110), the bottom of the top cover (110) is fixed with a heat dissipation plate (130), the bottom of the top cover (110) is provided with a sealing strip (140), the bottom of the sealing strip (140) is provided with a bottom shell (150), and both sides of the bottom shell (150) are fixed with fixing blocks (180). The fixing assembly (200) comprises a heat-conducting pad (210) arranged at the bottom of the heat dissipation plate (130), the bottom of the heat-conducting pad (210) is provided with a circuit board (220), and the bottom of the circuit board (220) is provided with a base (240). The damping assembly (300) comprises a damping plate base (310) arranged at the top of the bottom shell (150), the top of the damping plate base (310) is provided with a stretchable shell (330) and two damping springs (340), and the top of the damping spring (340) is provided with a damping plate (350). The waterproof bolt (400) comprises a hexagonal bolt (410) arranged on the outer wall of the bottom shell (150) and a shell screw (440). The top of the top cover (110) and both sides of the bottom shell (150) are provided with heat dissipation grooves (120), and the heat dissipation grooves (120) are composed of a plurality of semicylindrical grooves. The inside of the bottom shell (150) is provided with a clamping groove (160), and the outer wall of the bottom shell (150) is provided with a wire outlet hole (170).
2. A power supply having a waterproof housing according to claim 1, characterized in that: The top of the circuit board (220) is provided with a plurality of fixing screws (230), and a plurality of grooves matched with the fixing screws (230) are arranged on the circuit board (220).
3. A power supply having a water resistant housing according to claim 2, wherein: The inside of the base (240) is provided with a base groove (250), and the size of the base groove (250) matches that of the circuit board (220).
4. A power supply having a water resistant housing according to claim 3, wherein: The top of the damping plate base (310) is fixed with a limiting clamp one (320), the bottom of the damping plate (350) is fixed with a limiting clamp two (360), and the top of the damping plate (350) is fixed with a screw fixing groove (370).
5. A power supply having a water resistant housing according to claim 4, wherein: One side of the hexagonal bolt (410) is provided with a rubber sleeve (420), the other side of the hexagonal bolt (410) is provided with a sealing gasket one (430), and the outer side of the shell screw (440) is provided with a sealing gasket two (450).
6. A power supply having a water resistant housing according to claim 5, wherein: 7. A power supply having a water resistant housing according to claim 6, wherein: