Waterproof structure for internal circuit board of charging pile
By combining the first and second waterproof frames, along with sealing grooves, sealing strips, heat-absorbing plates, and heat dissipation fins, the waterproofing and heat dissipation problems of the charging pile circuit board when used outdoors are solved, and the sealing and heat dissipation effects are improved.
Patent Information
- Application Number
- CN202423225633.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-26
AI Technical Summary
The existing waterproof structure of the charging pile circuit board is prone to water seepage through gaps when used outdoors, which can damage the circuit board and result in poor heat dissipation.
The system employs a combination of a first waterproof frame and a second waterproof frame, along with a sealing groove, sealing strip, heat absorption plate, and heat dissipation fins. Through fixing and connecting components, it achieves sealing and heat dissipation, preventing water penetration and effectively dissipating heat.
Effective waterproofing of the charging pile circuit board was achieved, preventing water penetration damage. At the same time, the heat dissipation efficiency was improved through the design of heat absorption plate and heat dissipation fins.
Smart Images
Figure CN223666608U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to charging pile circuit board technical field, specifically is a waterproof structure for internal circuit board of charging pile. BACKGROUND
[0002] The charging pile circuit board is a key component in electric vehicle charging infrastructure, which is responsible for control, protection, monitoring and display functions. The design and production of the charging pile circuit board requires high requirements, and factors such as power, voltage, temperature, insulation, protection of the charging pile need to be considered.
[0003] At present, the charging pile is generally installed outdoors, in order to enable the circuit board to be used in a humid environment, it is usually necessary to install a waterproof structure on the circuit board. The current waterproof structure usually seals the circuit board with a closed box to achieve waterproofing. However, during installation, there may be a certain gap at the connection of the closed box. When the amount of water inside is large, water may penetrate through the gap, causing damage to the circuit board. Furthermore, when the circuit board is installed in the closed box, the heat dissipation effect of the circuit board is poor. SUMMARY
[0004] The utility model aims at providing a waterproof structure for internal circuit board of charging pile to solve the problems raised in the above background.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] A waterproof structure for internal circuit board of charging pile, comprising a first waterproof frame, a circuit board body, a second waterproof frame, the circuit board body is installed inside the first waterproof frame and the second waterproof frame, the bottom of the first waterproof frame is provided with a sealing groove, the top of the second waterproof frame is provided with a sealing strip, the sealing strip is pasted to the sealing groove, the inside of the second waterproof frame is provided with a mounting rod around, the circuit board body is provided with a mounting port around, the mounting rod passes through the mounting port, the inside of the first waterproof frame is provided with a fixing assembly around, the fixing assembly is used for fixing the inside circuit board body, the both sides of the first waterproof frame are provided with a connecting assembly, the connecting assembly is used for connecting the first waterproof frame and the second waterproof frame, the inside bottom of the second waterproof frame is provided with a heat absorbing plate.
[0007] In a preferred embodiment of the utility model, the fixing assembly comprises a spring, the bottom of the spring is provided with a fixed ring, the bottom of the fixed ring is provided with a flexible gasket, the mounting rod passes through the fixed ring, and the flexible gasket is in contact with the circuit board body.
[0008] In a preferred embodiment of the utility model, the inside top of the spring is provided with a limiting port, and the top of the mounting rod is in sliding connection with the limiting port.
[0009] In a preferred embodiment of the utility model, the connecting assembly comprises a mounting groove, a mounting piece is slidably arranged inside the mounting groove, a connecting piece is arranged below the mounting piece, a fixed bolt is arranged inside the connecting piece, fixed ports are arranged on both sides of the second waterproof frame, and the fixed bolt is disassembled and assembled in the fixed port.
[0010] In a preferred embodiment of the utility model, a connecting port is arranged at the bottom of the mounting piece, a connecting bolt is arranged at the top of the connecting piece, and the connecting bolt is movably connected with the connecting port.
[0011] In a preferred embodiment of the utility model, a movable port is arranged at the top of the mounting groove, a movable bolt is arranged inside the movable port, and the movable bolt is movably connected with the movable port.
[0012] In a preferred embodiment of the utility model, a threaded rod is arranged at the bottom of the movable bolt, a threaded port is arranged at the top of the mounting piece, and the threaded rod is screw-connected with the threaded port.
[0013] In a preferred embodiment of the utility model, a heat-absorbing block is arranged on the heat-absorbing plate, the heat-absorbing block is in contact with the circuit board body at the top, and the heat-absorbing plate is provided with heat dissipation fins at the bottom.
[0014] The additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be known through the practice of the utility model.
[0015] Beneficial effects: when the first waterproof frame and the second waterproof frame are installed, the sealing strip is attached to the sealing groove, so that the connection of the first waterproof frame and the second waterproof frame is sealed, the fixed bolt is installed in the fixed port first, then the movable bolt is rotated on the outside, the heat of the circuit board is absorbed through the heat-absorbing block, and the heat is transmitted to the heat dissipation fins on the heat-absorbing plate through the heat-absorbing plate, so that the circuit board is cooled.
[0016] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and the content of the specification can be implemented, the following preferred embodiments of the utility model are described in detail with the help of the drawings. The specific implementation of the utility model is given in detail by the following examples and their drawings. BRIEF DESCRIPTION OF DRAWINGS
[0017] The above and / or additional aspects and advantages of the utility model will become apparent and easy to understand from the description of the embodiments combined with the following drawings, in which:
[0018] Figure 1 It is a main body structure schematic view of a waterproof structure for an internal circuit board of a charging pile;
[0019] Figure 2 It is an explosion structure schematic view of a waterproof structure for an internal circuit board of a charging pile;
[0020] Figure 3 It is a first waterproof frame bottom structure schematic view of a waterproof structure for an internal circuit board of a charging pile;
[0021] Figure 4 It is a mounting piece structure schematic view of a waterproof structure for an internal circuit board of a charging pile;
[0022] Figure 5 It is a connecting piece structure schematic view of a waterproof structure for an internal circuit board of a charging pile.
[0023] In the figure: 1, first waterproof frame; 11, circuit board body; 12, sealing groove; 13, mounting port; 14, spring; 15, fixed ring; 2, second waterproof frame; 21, sealing strip; 22, mounting rod; 23, flexible washer; 24, limiting port; 3, mounting groove; 31, movable port; 32, movable bolt; 33, mounting piece; 34, threaded rod; 35, threaded port; 4, connecting piece; 41, connecting bolt; 42, connecting port; 43, fixed bolt; 44, fixed port; 5, heat absorption plate; 51, heat absorption block; 52, heat dissipation fin. DETAILED DESCRIPTION
[0024] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.
[0025] Please refer to Figures 1-5The utility model relates to a waterproof structure for internal circuit board of charging pile, including first waterproof frame 1, circuit board body 11, second waterproof frame 2, circuit board body 11 installs in the inside of first waterproof frame 1 and second waterproof frame 2, and circuit board body 11 is the main part of charging pile circuit board, and first waterproof frame 1 and second waterproof frame 2 are main waterproof structure, that is, waterproof to circuit board, and first waterproof frame 1 bottom is provided with sealing groove 12, and second waterproof frame 2 top is provided with sealing strip 21, through the sealing strip 21 sticks to sealing groove 12, so that the connecting place of first waterproof frame 1 and second waterproof frame 2 is sealed, so that better waterproof effect is reached, and the inside bottom of second waterproof frame 2 is provided with heat absorption plate 5, and heat absorption plate 5 is provided with heat absorption block 51, and heat absorption block 51 top contacts circuit board body 11, and heat absorption plate 5 bottom is provided with radiating fin 52, and heat absorption plate 5, heat absorption block 51, radiating fin 52 are all copper heat conduction material, that is, through heat absorption block 51 absorbs the heat of circuit board, and passes through heat absorption plate 5 and transmits heat to radiating fin 52, so as to radiate the circuit board.
[0026] The inside four sides of second waterproof frame 2 are provided with mounting rod 22, and mounting rod 22 is mounting structure, and the four sides of circuit board body 11 are provided with mounting port 13, and mounting rod 22 passes through mounting port 13, and fixed assembly includes spring 14, and spring 14 bottom is provided with fixed ring 15, and fixed ring 15 bottom is provided with flexible gasket 23, and mounting rod 22 passes through fixed ring 15, and flexible gasket 23 contacts circuit board body 11, and flexible gasket 23 is flexible material, and the inside top of spring 14 is provided with limiting port 24, and the top of mounting rod 22 is slidably connected with limiting port 24, when installing circuit board, through mounting port 13 is installed on mounting rod 22, so that the circuit board is installed, and passes through fixed ring 15 and is pressed through spring 14, so as to fix the circuit board, and passes through flexible gasket 23 and plays the effect of protection, avoids the damage of circuit board, after installing, the top of mounting rod 22 is inserted into limiting port 24, so as to fix the position of first waterproof frame 1, avoids activity.
[0027] The first waterproof frame 1 is internally provided with a fixing assembly for fixing the inner line circuit board body 11, and the first waterproof frame 1 is externally provided with a connecting assembly for connecting the first waterproof frame 1 and the second waterproof frame 2, the connecting assembly comprises a mounting groove 3, the mounting groove 3 is internally slidably provided with a mounting piece 33, the mounting piece 33 is internally provided with a connecting piece 4, the connecting piece 4 is internally provided with a fixing bolt 43, the second waterproof frame 2 is externally provided with a fixing opening 44, the fixing bolt 43 is detachably arranged in the fixing opening 44, the fixing bolt 43 is made of rubber material and can be shrunk to be clamped in the fixing opening 44, the mounting piece 33 is internally provided with a connecting opening 42, the connecting piece 4 is externally provided with a connecting bolt 41, the connecting bolt 41 is movably connected with the connecting opening 42, the connecting piece 4 is movably arranged at the bottom of the mounting piece 33, the mounting groove 3 is externally provided with a movable opening 31, the movable opening 31 is internally provided with a movable bolt 32, the movable bolt 32 is movably connected with the movable opening 31, the movable bolt 32 is clamped in the movable opening 31 and can be rotated, the movable bolt 32 is internally provided with a threaded rod 34, the mounting piece 33 is externally provided with a threaded opening 35, the threaded rod 34 is threadedly connected with the threaded opening 35, when the first waterproof frame 1 and the second waterproof frame 2 are completely installed, the connecting piece 4 is moved, so that the fixing bolt 43 is arranged in the fixing opening 44, then the movable bolt 32 is rotated, the threaded rod 34 is driven in a threaded mode, so that the mounting piece 33 and the connecting piece 4 pull the second waterproof frame 2 at the bottom to be lifted, so that the sealing strip 21 at the inner side is more closely attached, and the sealing effect is ensured.
[0028] The working principle of the utility model is: the mounting opening 13 is arranged on the mounting rod 22, so that the line circuit board is installed, the fixing ring 15 passes through the mounting rod 22, the spring 14 is extruded, so that the line circuit board is fixed, the flexible gasket 23 plays a protection effect, after installation, the mounting rod 22 is inserted into the limiting opening 24 at the top, so that the position of the first waterproof frame 1 is fixed, the movable is avoided, the sealing strip 21 is attached to the sealing groove 12, so that the connecting position of the first waterproof frame 1 and the second waterproof frame 2 is sealed, so that better waterproof effect is achieved, when the first waterproof frame 1 and the second waterproof frame 2 are completely installed, the connecting piece 4 is moved, so that the fixing bolt 43 is arranged in the fixing opening 44, then the movable bolt 32 is rotated at the outside, the threaded rod 34 is driven in a threaded mode, so that the mounting piece 33 and the connecting piece 4 pull the second waterproof frame 2 at the bottom to be lifted, so that the sealing strip 21 at the inner side is more closely attached, and the sealing effect is ensured, the heat absorbing block 51 absorbs the heat of the line circuit board, and the heat absorbing plate 5 transmits the heat to the heat dissipation fin 52, so that the line circuit board is cooled.
[0029] Although the embodiments of the utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.
Claims
1. A waterproof structure for a charging pile internal circuit board, comprising a first waterproof frame (1), a circuit board body (11), and a second waterproof frame (2), the circuit board body (11) being installed inside the first waterproof frame (1) and the second waterproof frame (2), characterized in that: The bottom of the first waterproof frame (1) is provided with a sealing groove (12), the top of the second waterproof frame (2) is provided with a sealing strip (21), the sealing strip (21) is attached to the sealing groove (12), the inner side of the second waterproof frame (2) is provided with a mounting rod (22) around, the line board body (11) is provided with a mounting port (13) around, the mounting rod (22) passes through the mounting port (13), the inner side of the first waterproof frame (1) is provided with a fixing assembly around, the fixing assembly is used for fixing the inner side line board body (11), the both sides of the first waterproof frame (1) are provided with a connecting assembly, the connecting assembly is used for connecting the first waterproof frame (1) and the second waterproof frame (2), the inner side bottom of the second waterproof frame (2) is provided with a heat absorbing plate (5).
2. The waterproof structure for an internal circuit board of a charging pile according to claim 1, characterized in that, The fixing assembly comprises a spring (14), the bottom of the spring (14) is provided with a fixing ring (15), the bottom of the fixing ring (15) is provided with a flexible gasket (23), the mounting rod (22) passes through the fixing ring (15), and the flexible gasket (23) is in contact with the line board body (11).
3. The waterproof structure for an internal circuit board of a charging pile according to claim 2, characterized in that, The inner side top of the spring (14) is provided with a limiting port (24), and the top of the mounting rod (22) is in sliding connection with the limiting port (24).
4. The waterproof structure for an internal circuit board of a charging pile according to claim 1, characterized in that, The connecting assembly comprises a mounting groove (3), the mounting groove (3) is internally provided with a mounting piece (33) in sliding mode, the mounting piece (33) is provided with a connecting piece (4) below, the connecting piece (4) is provided with a fixing bolt (43) on the inner side, the both sides of the second waterproof frame (2) are provided with a fixing port (44), and the fixing bolt (43) is disassembled in the fixing port (44).
5. The waterproof structure for an internal circuit board of a charging pile according to claim 4, characterized in that, The bottom of the mounting piece (33) is provided with a connecting port (42), the top of the connecting piece (4) is provided with a connecting bolt (41), and the connecting bolt (41) is in movable connection with the connecting port (42).
6. The waterproof structure for an internal circuit board of a charging pile according to claim 4, characterized in that, The top of the mounting groove (3) is provided with a movable port (31), the movable port (31) is internally provided with a movable bolt (32), and the movable bolt (32) is in movable connection with the movable port (31).
7. The waterproof structure for an internal circuit board of a charging pile according to claim 6, characterized in that, The bottom of the movable bolt (32) is provided with a threaded rod (34), the top of the mounting piece (33) is provided with a threaded port (35), and the threaded rod (34) is in threaded connection with the threaded port (35).
8. The waterproof structure for an internal circuit board of a charging pile according to claim 1, characterized in that, The heat absorbing plate (5) is provided with a heat absorbing block (51), the top of the heat absorbing block (51) is in contact with the line board body (11), and the bottom of the heat absorbing plate (5) is provided with a heat dissipation fin (52).