PCB safe to use

Abstract

The utility model relates to the technical field of PCBs, and discloses a safe-to-use PCB, which comprises a circuit board, an electronic module is fixedly mounted at the top of the circuit board, a heat-conducting carrier plate is movably connected to the top of the electronic module, studs are arranged at four corners of the top of the heat-conducting carrier plate, and the top of the heat-conducting carrier plate is fixedly connected with the electronic module. The top ends and the bottom ends of the studs are in threaded connection with nuts, the opposite sides of the two nuts abut against the sides, opposite to each other, of the circuit board and the heat conduction carrier plate respectively, and an additional assembly is arranged at the top of the heat conduction carrier plate. According to the PCB safe to use, the heat conduction carrier plate, the studs, the nuts and the cooling fins are arranged, the circuit board and the heat conduction carrier plate are installed together in a matched mode through the four sets of studs and nuts, modules can be additionally installed on the heat conduction carrier plate, the installation density of the modules on the circuit board is reduced, and heat generated by operation of the modules on the circuit board can be transmitted to the heat conduction carrier plate; the cooling fins can improve the heat dissipation performance of the heat conduction carrier plate, so that the operation and use safety of the PCB is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB boards, in particular to a PCB board that is safe to use. Background Art

[0002] Chinese patent CN214281738U provides a high-strength PCB board, which is provided with an epoxy glass cloth laminate between two polyimide film layers, so that the polyimide film layer can protect and strengthen the epoxy glass cloth laminate, thereby preventing the epoxy glass cloth laminate from breaking under strong external force and causing damage to the PCB board, thereby increasing the safety of the PCB board. At the same time, the end of the hole-plated metal tube different from the printed copper circuit is fused with a metal connecting ring, so that one end of the hole-plated metal tube is fixed by the printed copper circuit.

[0003] However, there are many components installed on the existing circuit board. When installing large-size modules, the circuit board needs to have a certain installation area. The components and wiring on the circuit board are densely distributed and complex, which affects the safety of the PCB board. Therefore, it is necessary to design a PCB board that is easy to install and wire and safe to use. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides a safe PCB board, which has the advantages of simplifying the complexity of installation and wiring, having good heat dissipation effect and improving safety. It solves the problem that there are many components installed on the existing circuit board, large-size modules require the circuit board to have a certain installation area when installing, and the devices and wiring on the circuit board are densely and complexly distributed, which affects the safety of the PCB board.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safe PCB board, comprising a circuit board, an electronic module is fixedly mounted on the top of the circuit board, a heat-conducting carrier is movably connected to the top of the electronic module, studs are arranged at the four corners of the top of the heat-conducting carrier, nuts are threadedly connected to the top and bottom ends of the studs, opposite sides of two nuts are respectively abutted against the opposite sides of the circuit board and the heat-conducting carrier, and an additional assembly is arranged on the top of the heat-conducting carrier.

[0008] The additional assembly includes an additional module, a heat sink and a sleeve, wherein the additional module, the heat sink and the sleeve are all fixedly arranged on the top of the heat-conducting carrier plate, a wire is arranged inside the sleeve, the wire is wound around the side surface of the sleeve, and two ends of the wire are respectively fixedly connected to the top of the circuit board and the right side of the additional module.

[0009] Preferably, through holes are provided at the four corners of the circuit board and the top of the heat-conducting carrier, the side surfaces of the studs are movably connected to the inside of the through holes, and the circuit board and the heat-conducting carrier are mounted together by four sets of stud nuts, which facilitates the installation and heat dissipation of the electronic module.

[0010] Preferably, a wire hole is provided at the bottom of the heat-conducting carrier, the wire hole is communicated with the interior of the sleeve, the wire is movably connected to the interior of the wire hole, after one end of the wire is connected to the surface of the circuit board, the other end of the wire is upwardly inserted into the wire hole at the bottom of the heat-conducting carrier and upwardly passed out of the sleeve, and then a certain length of the wire is wrapped around the surface of the sleeve to prevent the wire from being too long and causing complicated wiring distribution. After wrapping, the other end of the wire is connected to the module installed on the heat-conducting carrier.

[0011] Compared with the prior art, the utility model provides a safe PCB board, which has the following features:

[0012] Beneficial effects:

[0013] 1. The safe PCB board is provided with a heat-conducting carrier, studs, nuts and heat sinks. The circuit board and the heat-conducting carrier are installed together through four sets of studs and nuts. Modules can be installed on the heat-conducting carrier to reduce the installation density of the modules on the circuit board. The heat generated by the operation of the modules on the circuit board can be transferred to the heat-conducting carrier. The heat sink can increase the heat dissipation performance of the heat-conducting carrier, thereby ensuring the safe operation and use of the PCB board.

[0014] 2. The safe PCB board is provided with a sleeve and a wire hole. After one end of the wire is connected to the surface of the circuit board, the other end of the wire is passed upward into the wire hole at the bottom of the heat-conducting carrier and passed upward from the sleeve. Then a certain length of wire is wrapped around the surface of the sleeve. One end of the wrapped wire is connected to the module installed on the heat-conducting carrier to prevent the wire from being too long and causing dense and complicated wiring distribution, thereby improving the safety of the PCB board. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a safe PCB board for use in the utility model;

[0016] Figure 2 This is a cross-sectional view of the heat-conducting carrier structure of the utility model;

[0017] Figure 3 This is a cross-sectional view of a PCB board structure that is safe for use in the utility model.

[0018] Among them: 1. Circuit board; 2. Electronic module; 3. Heat-conducting carrier; 4. Studs; 5. Nuts; 6. Additional module; 7. Heat sink; 8. Sleeve; 9. Wire; 10. Through hole; 11. Wire hole. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-3 , a safe PCB board, comprising a circuit board 1, an electronic module 2 is fixedly installed on the top of the circuit board 1, a heat-conducting carrier 3 is movably connected to the top of the electronic module 2, studs 4 are arranged at the four corners of the top of the heat-conducting carrier 3, through holes 10 are opened at the four corners of the top of the circuit board 1 and the heat-conducting carrier 3, the side surface of the stud 4 is movably connected to the inside of the through hole 10, the top and bottom of the stud 4 are threadedly connected with nuts 5, the opposite sides of the two nuts 5 are respectively abutted against the sides opposite to the circuit board 1 and the heat-conducting carrier 3, an additional component is arranged on the top of the heat-conducting carrier 3, the additional component comprises an additional module 6, a heat sink 7 and a sleeve 8, the additional module 6, the heat sink 7 and the sleeve 8 are all fixedly arranged on the top of the heat-conducting carrier 3, a heat-conducting carrier 3, studs 4, nuts 5 and heat sink 7 are arranged, the circuit board 1 and the heat-conducting carrier 3 are mounted together by four groups of studs 4 and nuts 5, a module can be added to the heat-conducting carrier 3, reducing the module on the circuit board 1 The installation density is high, and the heat generated by the operation of the module on the circuit board 1 can be transferred to the heat-conducting carrier 3. The heat sink 7 can increase the heat dissipation performance of the heat-conducting carrier 3, thereby ensuring the safe operation and use of the PCB board. A wire 9 is arranged inside the sleeve 8, and a wire hole 11 is opened at the bottom of the heat-conducting carrier 3. The wire hole 11 is communicated with the inside of the sleeve 8, and the wire 9 is movably connected with the inside of the wire hole 11. The wire 9 is wound on the side surface of the sleeve 8, and the two ends of the wire 9 are respectively fixedly connected to the top of the circuit board 1 and the right side of the added module 6. The sleeve 8 and the wire hole 11 are set. After one end of the wire 9 is connected to the surface of the circuit board 1, the other end of the wire 9 is upwardly penetrated into the wire hole 11 at the bottom of the heat-conducting carrier 3, and is upwardly penetrated from the sleeve 8, and then a certain length of the wire 9 is wound around the surface of the sleeve 8, and one end of the wire 9 after winding is connected to the module installed on the heat-conducting carrier 3, so as to prevent the wire 9 from being too long and causing the wiring distribution to be dense and complicated, thereby improving the safety of the PCB board.

[0021] When in use, the circuit board 1 and the heat-conducting carrier board 3 are installed together through four groups of studs 4 and nuts 5. Modules can be installed on the heat-conducting carrier board 3 to reduce the density of module installation on the circuit board 1. After one end of the wire 9 is connected to the surface of the circuit board 1, the other end of the wire 9 is inserted upward into the wire hole 11 at the bottom of the heat-conducting carrier board 3 and passes upward from the sleeve 8. Then a certain length of the wire 9 is wound around the surface of the sleeve 8, and one end of the wound wire 9 is connected to the module installed on the heat-conducting carrier board 3 to prevent the wire 9 from being too long and causing the wiring to be dense and complex. The safe PCB board, the heat-conducting carrier board 3 can share the pressure of the number of modules installed on the circuit board 1, solve the problem of dense and complex distribution of devices and wiring on the circuit board 1, and the heat generated by the operation of the module on the circuit board 1 can be transferred to the heat-conducting carrier board 3. The heat sink 7 can increase the heat dissipation performance of the heat-conducting carrier board 3, thereby ensuring the safe operation and use of the PCB board.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A safe PCB board, comprising a circuit board (1), characterized in that: An electronic module (2) is fixedly mounted on the top of the circuit board (1), a heat-conducting carrier (3) is movably connected to the top of the electronic module (2), studs (4) are arranged at four corners of the top of the heat-conducting carrier (3), nuts (5) are threadedly connected to the top and bottom of the studs (4), opposite sides of the two nuts (5) are respectively abutted against the opposite sides of the circuit board (1) and the heat-conducting carrier (3), and an additional assembly is arranged on the top of the heat-conducting carrier (3); The mounting assembly comprises a mounting module (6), a heat sink (7) and a sleeve (8); the mounting module (6), the heat sink (7) and the sleeve (8) are all fixedly arranged on the top of the heat-conducting carrier (3); a wire (9) is arranged inside the sleeve (8); the wire (9) is wound around the side surface of the sleeve (8); and two ends of the wire (9) are respectively fixedly connected to the top of the circuit board (1) and the right side of the mounting module (6).

2. A safe PCB board according to claim 1, characterized in that: Through holes (10) are provided at four corners of the top of the circuit board (1) and the heat-conducting carrier plate (3), and the side surfaces of the studs (4) are movably connected to the inside of the through holes (10).

3. The safe-to-use PCB board according to claim 1, characterized in that: A wire hole (11) is provided at the bottom of the heat-conducting carrier plate (3), the wire hole (11) is communicated with the interior of the sleeve (8), and the wire (9) is movably connected to the interior of the wire hole (11).

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