Circuit board
By designing a composite steel plate and support frame structure on the circuit board, increasing the gap between the circuit board and the casing, and utilizing vents and air circulation, the problem of insufficient heat dissipation from the circuit board is solved, achieving efficient heat dissipation and quick installation.
Patent Information
- Application Number
- CN202422724748.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-08
AI Technical Summary
The gap between traditional circuit boards and the housing is small, resulting in insufficient heat dissipation, and they are easily damaged due to excessive heat after long-term operation.
It adopts a composite steel plate, support frame and heat sink structure. The support frame increases the gap between the circuit board and the shell, and uses vents and air circulation to dissipate heat. Combined with the design of reset spring and clamping plate, it can be quickly installed and fixed.
It improves the heat dissipation performance of the circuit board, ensures that the circuit board is not damaged at high temperatures, and achieves fast installation and fixation.
Smart Images
Figure CN223452149U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of electronic components, in particular to a circuit board. Background Art
[0002] A circuit board is a carrier for circuit integration and an important electrical control component of electrical equipment. It is also commonly called a circuit chip or PCB board. It is made of insulating material and printed with metal wires and connection points to support and connect electronic components to form a complete circuit.
[0003] Traditional circuit boards are mostly installed flat and inside the housing. The gap between the circuit board and the housing is small, resulting in insufficient heat dissipation of the circuit board inside the housing. The heat generated by the circuit board during long-term operation cannot be discharged immediately, which can easily cause the circuit on the circuit board to be damaged due to excessive heat, making the circuit board unable to operate normally.
[0004] Therefore, it is necessary to develop a circuit board that can enhance heat dissipation performance to solve the above problems. Utility Model Content
[0005] In order to overcome the shortcomings of the existing circuit board and the housing, which has a small gap between the circuit board and the housing, resulting in insufficient heat dissipation of the circuit board in the housing, and the heat generated by the circuit board during long-term operation cannot be discharged immediately, which easily causes the circuit on the circuit board to be damaged due to excessive heat and makes the circuit board unable to operate normally, the utility model provides a circuit board with enhanced heat dissipation performance.
[0006] The technical implementation scheme of the utility model is: a circuit board, including a circuit board body, a composite steel plate, the composite steel plate is installed under the circuit board body, and also includes a support frame and a mounting rod, the support frame is installed under the composite steel plate, the support frame has multiple ventilation holes, and multiple mounting holes are opened around the support frame, and the mounting rod is slidably arranged in the mounting hole.
[0007] Furthermore, it also includes a fixing rod. The circuit board body is provided with a plurality of fixing holes. The composite steel plate is fixed with fixing rods having the same number as the fixing holes. The fixing rods slide up and down along the fixing holes.
[0008] Furthermore, it also includes a support plate, a splint, a limit rod and a reset spring. Four support plates are fixedly connected to the top of the support frame. The limit rod is slidably arranged on the support plate. The two limit rods on the front and rear sides are both fixedly connected to the splint. A reset spring is connected between the limit rod and the splint.
[0009] Furthermore, a handle is included, and the handle is installed on the splint.
[0010] Furthermore, anti-wear pads are included. The circuit board body is equipped with anti-wear pads whose number is equal to the limit rods, and the clamping plate slides and contacts the anti-wear pads.
[0011] Further, the heat dissipation fins are also included, and the circuit board body is provided with a plurality of heat dissipation fins.
[0012] The utility model discloses has the following advantages: through the fixed hole and fixed rod alignment, make circuit board body downward movement and composite steel sheet paste, again circuit board body place on support frame, under the cooperation of reset spring and clamping plate, the circuit board body is fixed with clamping, reaches the effect of quick installation and fixed, the heat of circuit board body operation, through support frame increase the clearance between circuit board body and shell, make the air circulation through the plurality of air vents in support frame, thereby make the heat of circuit board body operation first time's discharge, enhance the heat dissipation performance of circuit board, avoid the damage of circuit board body because of overheating. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.
[0014] Figure 2 It is the three-dimensional structure schematic diagram of the utility model.
[0015] Figure 3 It is the explosion drawing of the utility model.
[0016] Figure 4 It is the three-dimensional structure schematic diagram of the utility model circuit board body, support frame and mounting hole.
[0017] Figure 5 It is the three-dimensional structure schematic diagram of the utility model support plate, clamping plate and limit rod.
[0018] Figure 6 It is the three-dimensional sectional structure schematic diagram of the utility model circuit board body, limit rod and wear pad.
[0019] In the above drawing: 1: circuit board body, 2: composite steel sheet, 3: support frame, 301: air vent, 4: mounting hole, 5: mounting rod, 6: fixed hole, 7: fixed rod, 8: support plate, 9: clamping plate, 10: limit rod, 11: reset spring, 12: handle, 13: wear pad, 14: heat dissipation fin. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0021] Embodiment: a circuit board, refer to Figures 1-6 As shown, comprising a circuit board body 1, composite steel plate 2, the circuit board body 1 below is installed with composite steel plate 2, the circuit board body 1 is installed with a plurality of heat dissipation fins 14 through bolt connection, the heat dissipation fin 14 can be quickly heat conduction to the circuit board body 1, the composite steel plate 2 below is installed with support frame 3, the support frame 3 is provided with a plurality of ventilation openings 301, the support frame 3 is provided with a plurality of mounting holes 4 around, the mounting rod 5 is slidingly arranged in the mounting hole 4, the circuit board body 1 is provided with two fixed holes 6, the composite steel plate 2 is fixedly connected with two fixed rods 7 through welding, the fixed rod 7 slides along the fixed hole 6, the support frame 3 is fixedly connected with four support plates 8 through welding, the limit rod 10 is slidingly arranged on the support plate 8, the circuit board body 1 is installed with four anti-abrasion pads 13, the anti-abrasion pad 13 is made of rubber material, when the clamping plate 9 is in contact with the anti-abrasion pad 13, the clamping plate 9 can avoid directly extruding the circuit board body 1, preventing the circuit board body 1 from being abraded, the two limit rods 10 on the front side and the rear side are fixedly connected with the clamping plate 9 through welding, the handle 12 is installed on the clamping plate 9 through bolt connection, the handle 12 can be conveniently held to pull up and down the clamping plate 9, the reset spring 11 is connected between the limit rod 10 and the clamping plate 9, and the reset spring 11 is sleeved on the limit rod 10.
[0022] When the circuit board body 1 is installed, first, the support frame 3 is connected with the shell through the mounting rod 5, then the composite steel plate 2 is placed below the circuit board body 1, then the fixed hole 6 is aligned with the fixed rod 7, the circuit board body 1 is moved downward to be attached to the composite steel plate 2, the fixed rod 7 is inserted into the fixed hole 6, then the handle 12 is held tightly and pulled upward, so that the clamping plate 9 slides upward along the limit rod 10, and the reset spring 11 is extruded and deformed by the clamping plate 9, when pulled to the top, the staff places the circuit board body 1 on the support frame 3, then the staff releases the handle 12, the reset spring 11 returns to the original state, drives the clamping plate 9 to slide downward along the limit rod 10 and resets, so that the clamping plate 9 clamps and fixes the circuit board body 1, achieving the effect of quickly installing and fixing the circuit board body 1, when the circuit board body 1 operates, heat is generated, the heat is conducted to the support frame 3 through the composite steel plate 2, the gap between the circuit board body 1 and the shell is increased through the support frame 3, the circulating air passes through the plurality of ventilation openings 301 in the support frame 3, so that the heat generated by the circuit board body 1 is discharged in the first time, the heat dissipation performance of the circuit board body 1 is enhanced, and the circuit board body 1 is prevented from being damaged due to overheating.
[0023] Finally, it should be explained that the above examples are only used to illustrate the technical solutions of the present application, but not to limit the scope of protection of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the essence and scope of the technical solutions of the present application.
Claims
1. A circuit board comprising a circuit board body (1) and a composite steel plate (2), wherein the composite steel plate (2) is mounted below the circuit board body (1), and wherein: The invention also includes a support frame (3) and a mounting rod (5). The support frame (3) is installed below the composite steel plate (2). The support frame (3) is provided with a plurality of ventilation openings (301). The support frame (3) is provided with a plurality of mounting holes (4) around the periphery. The mounting rod (5) is slidably arranged in the mounting hole (4).
2. A circuit board according to claim 1, characterized in that: It also includes a fixing rod (7), the circuit board body (1) is provided with a plurality of fixing holes (6), the composite steel plate (2) is fixed with fixing rods (7) whose number matches the number of the fixing holes (6), and the fixing rods (7) slide up and down along the fixing holes (6).
3. A circuit board according to claim 1, characterized in that: The invention also includes a support plate (8), a clamping plate (9), a limiting rod (10) and a return spring (11). Four support plates (8) are fixedly connected above the support frame (3). A limiting rod (10) is slidably arranged on the support plate (8). The two limiting rods (10) on the front and rear sides are both fixedly connected to the clamping plate (9). A return spring (11) is connected between the limiting rod (10) and the clamping plate (9).
4. A circuit board according to claim 3, characterized in that: The invention also comprises a handle (12), and the handle (12) is installed on the splint (9).
5. A circuit board according to claim 3, characterized in that: It also includes anti-wear pads (13). The circuit board body (1) is equipped with anti-wear pads (13) whose number is equal to the number of the limiting rods (10), and the clamping plate (9) slides and contacts the anti-wear pads (13).
6. A circuit board according to claim 1, characterized in that: It also includes a heat sink (14), and a plurality of heat sinks (14) are installed on the circuit board body (1).