Multilayer agricultural machine circuit board of PTFE

Abstract

The utility model discloses a kind of multilayer agricultural machinery circuit boards of PTFE, it is related to agricultural machinery circuit board technical field, including circuit board and electronic component, the circuit board includes substrate and PTFE board, the substrate is connected by pasting with PTFE board through heat dissipation silica gel, the outside of the PTFE board is pasted with heat dissipation plate through heat dissipation silica gel, the inside of the circuit board is equipped with heat dissipation hole, electronic component is installed on the circuit board, the circuit board is installed in the inside of shell by mounting structure, the mounting structure includes receiving seat, connecting rod, flat plate, spring, limit column, limit hole and pressure rod, the inside top wall of the shell is fixed with receiving seat, the outside of the receiving seat is provided with connecting rod, the side of the spring is provided with the pressure rod fixed on flat plate, the outer end of the circuit board is equipped with limit hole. The multilayer agricultural machinery circuit board of PTFE, heat dissipation effect is improved using heat dissipation plate and heat dissipation hole, and circuit board is quickly disassembled through mounting structure.

Description

Technical Field

[0001] This utility model relates to the field of agricultural machinery circuit board technology, specifically to a multilayer agricultural machinery circuit board made of PTFE. Background Technology

[0002] Rotary tillers and tractors are both agricultural machinery. The machinery is operated using a control panel inside the machine. The control panel contains a circuit board that controls various parts of the machine, making it easy to operate. Multi-layered PTFE circuit boards are used to facilitate heat dissipation and extend the lifespan of the control panel.

[0003] Chinese utility model patent CN211995164U discloses a tractor integrated control panel, comprising: a housing, a circuit board, a display screen, control buttons, and control knobs. The housing contains an accommodating space and is composed of an end face and a box-like structure. The circuit board is mounted within the accommodating space and integrates various tractor control functions. The display screen is mounted within the accommodating space and connected to the circuit board. The display screen includes a comprehensive display area, a working mode display area, a working mode status display area, and a system diagnostic fault display area. This utility model features a simple structure, high cost-effectiveness, and convenient assembly and disassembly. The functions of various working devices are controlled by operating the tractor integrated control panel. Simultaneously, the display screen intuitively displays the operating status of each working mode of the tractor and includes an alarm display area, allowing for a clear understanding of the cause of faults and facilitating maintenance and operation.

[0004] Based on existing solutions and actual production and processing applications, the heat dissipation effect of existing PTFE multilayer agricultural machinery circuit boards needs improvement, and the screw fixing method makes quick disassembly and assembly inconvenient. Therefore, we propose a PTFE multilayer agricultural machinery circuit board to solve the problems mentioned above. Utility Model Content

[0005] The purpose of this utility model is to provide a PTFE multilayer agricultural machinery circuit board to solve the problems mentioned in the background art, such as the need to improve the heat dissipation effect of the existing PTFE multilayer agricultural machinery circuit boards and the inconvenience of quick disassembly and assembly due to screw fixing.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a multilayer agricultural machinery circuit board made of PTFE, comprising a circuit board and electronic components:

[0007] The circuit board includes a substrate and a PTFE board. The substrate is bonded to the PTFE board with thermal silicone. A heat sink is bonded to the outer side of the PTFE board with thermal silicone. Heat dissipation holes are provided inside the circuit board.

[0008] Electronic components are mounted on the circuit board, which is installed inside the housing via a mounting structure.

[0009] Preferably, the mounting structure includes a receiving seat, a connecting rod, a plate, a spring, a limiting post, a limiting hole, and a pressure rod. The receiving seat is fixed to the inner top wall of the housing. A connecting rod is provided on the outer side of the receiving seat. A plate is rotatably connected to the bottom end of the connecting rod. A spring is fixed to the upper surface of the plate. A limiting post is fixed to the end of the spring away from the plate. A pressure rod fixed to the plate is provided on the side of the spring. A limiting hole is provided at the outer end of the circuit board.

[0010] Preferably, the diameter of the receiving seat is larger than the diameter of the defining hole, and the defining post is connected to the circuit board through the defining hole.

[0011] Preferably, the upper surface of the connecting rod is fixedly connected to the inner top wall of the housing.

[0012] Preferably, both the substrate and the PTFE plate have heat dissipation holes inside.

[0013] Compared with the prior art, the beneficial effects of this utility model are: the multilayer agricultural machinery circuit board of this PTFE uses heat sink and heat dissipation holes to improve heat dissipation effect, and the circuit board can be quickly assembled and disassembled through the mounting structure;

[0014] 1. A heat dissipation plate is attached to the outer side of the PTFE board with thermal silicone, and heat dissipation holes are opened inside the circuit board to improve the heat dissipation effect by using the heat dissipation plate and heat dissipation holes;

[0015] 2. The circuit board is installed inside the housing via a mounting structure. During rotation, the limiting post is squeezed by a rotating plate, spring, limiting post, and pressure rod. After the limiting post is aligned with the limiting hole, the limiting post is released and snaps into the limiting hole, facilitating quick assembly and disassembly of the circuit board and fixing the circuit board between the receiving seat and the rotating plate. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the first cross-sectional structure of the present invention;

[0017] Figure 2 This is a schematic diagram of the connection structure between the heat sink and the PTFE plate of this utility model;

[0018] Figure 3 This is a schematic diagram of the PTFE plate structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the connection structure between the connecting rod and the flat plate of this utility model;

[0020] Figure 5 This is a schematic diagram of the second cross-sectional structure of the present invention.

[0021] In the diagram: 1. Circuit board; 101. Substrate; 102. PTFE board; 2. Receiving seat; 3. Connecting rod; 4. Flat plate; 5. Spring; 6. Limiting post; 7. Limiting hole; 8. Heat dissipation hole; 9. Electronic component; 10. Housing; 11. Heat sink; 12. Pressure rod. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-5 The heat dissipation effect of existing PTFE multilayer agricultural machinery circuit boards needs to be improved. They are fixed with screws, which makes them inconvenient to disassemble and assemble quickly. In order to solve this technical problem, this embodiment discloses the following technical contents.

[0024] A multilayer agricultural machinery circuit board made of PTFE includes a circuit board 1, a substrate 101, a PTFE plate 102, a receiving seat 2, a connecting rod 3, a flat plate 4, a spring 5, a limiting post 6, a limiting hole 7, a heat dissipation hole 8, electronic components 9, a housing 10, a heat dissipation plate 11, and a pressure rod 12.

[0025] Electronic components 9 are mounted on the circuit board 1. The circuit board 1 includes a substrate 101 and a PTFE plate 102. The electronic components 9 are mounted on the PTFE plate 102. The substrate 101 is bonded to the PTFE plate 102 with thermal silicone. A heat sink 11 is bonded to the outer side of the PTFE plate 102 with thermal silicone. Heat dissipation holes 8 are opened inside the circuit board 1. Heat dissipation holes 8 are opened inside both the substrate 101 and the PTFE plate 102. The heat dissipation effect of the circuit board 1 is improved by using four sets of heat sinks 11 and heat dissipation holes 8 arranged at equal intervals.

[0026] The circuit board 1 is installed inside the housing 10 via a mounting structure, which includes a support 2, a connecting rod 3, a plate 4, a spring 5, a limiting post 6, a limiting hole 7, and a pressure rod 12. The support 2 is fixed to the inner top wall of the housing 10. The connecting rod 3 is provided on the outer side of the support 2. The bottom end of the connecting rod 3 is rotatably connected to the plate 4. The spring 5 is fixed to the upper surface of the plate 4. The limiting post 6 is fixed to the end of the spring 5 away from the plate 4. The pressure rod 12 is provided on the side of the spring 5 and fixed to the plate 4. The limiting hole 7 is opened at the outer end of the circuit board 1. The diameter of the support 2 is larger than the diameter of the limiting hole 7. The limiting post 6 is connected to the circuit board 1 through the limiting hole 7. The connecting rod 3 is fixedly connected to the housing 10.

[0027] During installation, the longer end of the plate 4 is turned outward, and the circuit board 1 is placed under the support 2. The support 2 is aligned with the center line of the limiting hole 7. Press the limiting post 6 downward with your finger, and the spring 5 is squeezed. Then rotate the plate 4 so that the limiting post 6 is aligned with the limiting hole 7. Release the pressure on the limiting post 6. Under the elastic action of the spring 5, the limiting post 6 is inserted into the interior of the limiting hole 7. At this time, the outer side of the pressure rod 12 is tightly attached to the outer side of the PTFE plate 102. The limiting post 6 and the pressure rod 12 hold the circuit board 1 together, thereby fixing the circuit board 1.

[0028] The above completes a series of operations for the PTFE multilayer agricultural machinery circuit board. Any content not described in detail in this instruction belongs to the prior art known to those skilled in the art.

[0029] All standard parts used in this utility model can be purchased from the market, and irregular parts 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, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0030] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A PTFE multilayer agricultural machinery circuit board, comprising a circuit board (1) and electronic components (9), characterized in that: The circuit board (1) includes a substrate (101) and a PTFE board (102). The substrate (101) is bonded to the PTFE board (102) by heat dissipation silicone. A heat dissipation plate (11) is bonded to the outer side of the PTFE board (102) by heat dissipation silicone. Heat dissipation holes (8) are provided inside the circuit board (1). Electronic components (9) are mounted on the circuit board (1), and the circuit board (1) is mounted inside the housing (10) by means of a mounting structure.

2. The PTFE multilayer agricultural machinery circuit board according to claim 1, characterized in that: The mounting structure includes a support (2), a connecting rod (3), a plate (4), a spring (5), a limiting post (6), a limiting hole (7), and a pressure rod (12). The support (2) is fixed to the inner top wall of the housing (10). The connecting rod (3) is provided on the outer side of the support (2). The bottom end of the connecting rod (3) is rotatably connected to the plate (4). The upper surface of the plate (4) is fixed with a spring (5). The end of the spring (5) away from the plate (4) is fixed with a limiting post (6). The side of the spring (5) is provided with a pressure rod (12) fixed on the plate (4). The outer end of the circuit board (1) is provided with a limiting hole (7).

3. The PTFE multilayer agricultural machinery circuit board according to claim 2, characterized in that: The diameter of the receiving seat (2) is larger than the diameter of the limiting hole (7), and the limiting post (6) is connected to the circuit board (1) through the limiting hole (7).

4. A multilayer agricultural machinery circuit board made of PTFE according to claim 2, characterized in that: The upper surface of the connecting rod (3) is fixedly connected to the inner top wall of the housing (10).

5. A multilayer agricultural machinery circuit board made of PTFE according to claim 1, characterized in that: Both the substrate (101) and the PTFE plate (102) have heat dissipation holes (8) inside.

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