PCB with good heat dissipation effect

Abstract

The utility model discloses a PCB with a good heat dissipation effect, which relates to the technical field of PCBs and comprises a mounting plate, a circuit board arranged on the top of the mounting plate, a fixing block arranged on the side edge of the circuit board on the top of the mounting plate, a sliding rod and an insertion block arranged on the circuit board through the mounting block, and an insertion hole arranged on the fixing block and matched with the insertion block for use. The outer side of the sliding rod is further sleeved with a first spring, the top of the circuit board is provided with an installation screw, a side plate and an installation shell through a fixing plate, a heat dissipation fan is arranged in the installation shell through a support, a heat dissipation net plate is arranged on the installation shell, and heat dissipation fins are arranged at the bottom of the installation shell and make contact with the circuit board. According to the utility model, under the action of the insertion block and the fixing block, the circuit board is convenient to mount and dismount, so that a worker can conveniently overhaul the circuit board, under the action of the detachable heat dissipation screen plate, the worker can conveniently clean the heat dissipation screen plate, and the heat dissipation quality of the heat dissipation fan on the circuit board is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB circuit boards, in particular to a PCB circuit board with good heat dissipation effect. Background Art

[0002] Printed circuit board, also known as printed circuit board, is the provider of electrical connections for electronic components. Printed circuit board is mostly represented by PCB, rather than PCB board. Its development has a history of more than 100 years; its design is mainly layout design; the main advantage of using circuit board is that it greatly reduces wiring and assembly errors, improves the level of automation and production labor rate. According to the number of layers of the circuit board, it can be divided into single-sided board, double-sided board, four-layer board, six-layer board and other multi-layer circuit boards. Since the printed circuit board is not a general terminal product, it needs to be cooled when the PCB circuit board is used to reduce the damage of the PCB circuit board due to excessive heat.

[0003] In the prior art, most PCB circuit boards are integrated with the device after installation, which is not conducive to the staff to disassemble the PCB circuit boards, and it is not convenient for the staff to repair the circuit boards, thereby reducing the use efficiency of the circuit boards. In addition, the existing circuit boards mostly use fans for heat dissipation, but the fans are directly in contact with the outside, which may easily lead to excessive dust residue on the fans, resulting in reduced heat dissipation quality of the fans. Utility Model Content

[0004] The purpose of the utility model is to provide a PCB circuit board with good heat dissipation effect to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A PCB circuit board with good heat dissipation effect comprises a mounting plate, a circuit board is arranged on the top of the mounting plate, a fixing block is arranged on the top of the mounting plate and located on the side of the circuit board, a mounting block is also arranged on the circuit board, a through hole is penetrated on the mounting block, a sliding rod is slidably arranged in the through hole, an insert block is arranged on the outer end of the sliding rod, a plug hole used in conjunction with the insert block is arranged on the fixing block, a first spring is also sleeved on the outer side of the sliding rod, one end of the first spring is connected to the mounting block, and the other end of the first spring is connected to the insert block, a fixing plate is also arranged on the top of the circuit board, a mounting shell is arranged on the fixing plate through mounting screws and side plates, a bracket is also arranged inside the mounting shell, a heat dissipation fan is arranged on the bracket, a heat dissipation mesh plate is also arranged on the mounting shell, and heat dissipation fins are also arranged on the bottom of the mounting shell, and the heat dissipation fins are in contact with the circuit board.

[0007] As a further solution of the utility model: a cavity is further provided inside the heat dissipation mesh plate, a plug rod is slidably provided in the cavity, a clamping block is further provided on the top of the mounting shell, and a plug rod used in conjunction with the plug rod is provided on the clamping block.

[0008] As a further solution of the utility model: a second spring is sleeved on the outer side of the insertion rod.

[0009] As a further solution of the utility model: one end of the second spring is connected to the inner wall of the cavity.

[0010] As a further solution of the utility model: a first handle is provided at the inner end of the slide rod.

[0011] As a further solution of the utility model: a second handle is also provided at the outer end of the insertion rod.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] 1. Under the action of the insert block and the fixing block, it is not only convenient for the staff to install the circuit board, but also convenient for the staff to disassemble the circuit board, thereby facilitating the staff to inspect and repair the circuit board. In addition, the first spring is used to ensure the working quality of the circuit board and the mounting plate, thereby ensuring the use efficiency of the circuit board;

[0014] 2. With the help of the detachable heat dissipation screen, it is convenient for the staff to clean the heat dissipation screen, thereby ensuring the protection quality of the heat dissipation screen for the heat dissipation fan, thereby ensuring the use efficiency of the heat dissipation fan, and then ensuring its heat dissipation quality for the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of an embodiment of the utility model.

[0016] Figure 2 It is a schematic diagram of the structure of the fixing block in the embodiment of the utility model.

[0017] Figure 3 It is a schematic diagram of the structure inside the installation shell in the embodiment of the utility model.

[0018] Figure 4 It is a schematic diagram of the structure of location A in an embodiment of the present utility model.

[0019] Notes on the figure markings: 1. Mounting plate; 2. Circuit board; 3. Fixing block; 4. Mounting block; 5. Sliding rod; 501. First handle; 6. Insert block; 7. First spring; 8. Fixing plate; 10. Mounting shell; 11. Side panel; 12. Mounting screw; 13. Heat dissipation mesh plate; 14. Heat dissipation fins; 15. Bracket; 16. Heat dissipation fan; 17. Block; 18. Insert rod; 1801. Second handle; 19. Second spring. DETAILED DESCRIPTION

[0020] The following embodiments will be combined with the accompanying drawings to describe the utility model in detail. In the drawings or descriptions, similar or identical parts use the same reference numerals, and in actual applications, the shape, thickness or height of each component can be enlarged or reduced. The various embodiments listed in the utility model are only used to illustrate the utility model, and are not used to limit the scope of the utility model. Any obvious modifications or changes made to the utility model do not depart from the spirit and scope of the utility model.

[0021] Example

[0022] See also Figures 1 to 4 In the embodiment of the utility model, a PCB circuit board with good heat dissipation effect includes a mounting plate 1, a circuit board 2 is arranged on the top of the mounting plate 1, a fixing block 3 is arranged on the top of the mounting plate 1 at the side of the circuit board 2, a mounting block 4 is also arranged on the circuit board 2, a through hole is penetrated on the mounting block 4, a slide bar 5 is slidingly arranged in the through hole, an insert block 6 is arranged at the outer end of the slide bar 5, and a socket used in conjunction with the insert block 6 is arranged on the fixing block 3. Under the action of the insert block 6 and the socket, the circuit board 2 can be better fixed on the mounting plate 1, thereby ensuring the connection quality of the circuit board 2 and the external device, thereby ensuring the electrical In order to improve the utilization efficiency of the circuit board 2, a first handle 501 is provided at the inner end of the slide bar 5, and the slide bar 5 can be driven to move by the first handle 501, so that the plug block 6 is moved out from the fixed block 3, thereby facilitating the removal of the circuit board 2 from the mounting plate 1, thereby facilitating the maintenance of the circuit board 2, thereby ensuring the utilization efficiency of the circuit board 2, and a first spring 7 is also sleeved on the outer side of the slide bar 5, one end of the first spring 7 is connected to the mounting block 4, and the other end of the first spring 7 is connected to the plug block 6. At this time, under the action of the first spring 7, the fixing quality of the plug block 6 and the fixed block 3 is guaranteed, thereby ensuring the utilization efficiency of the circuit board 2.

[0023] A fixing plate 8 is also provided on the top of the circuit board 2, and a mounting shell 10 is provided on the fixing plate 8 through mounting screws 12 and side plates 11. A bracket 15 is also provided inside the mounting shell 10, and a heat dissipation fan 16 is provided on the bracket 15. A heat dissipation mesh plate 13 is also provided on the mounting shell 10. Under the action of the heat dissipation mesh plate 13, a certain protection effect can be played on the heat dissipation fan 16, thereby reducing the situation where dust and the like enter the interior of the mounting shell 10 and cause the use efficiency of the heat dissipation fan 16 to be reduced, thereby ensuring the use efficiency of the heat dissipation fan 16. Heat dissipation fins 14 are also provided at the bottom of the mounting shell 10, and the heat dissipation fins 14 are in contact with the circuit board 2. When the circuit board 2 is working, a certain amount of heat is generated. At this time, the heat dissipation fins 14 are used to conduct the heat, and the heat dissipation fan 16 is used to dissipate the heat, thereby reducing the situation where the circuit board 2 is damaged due to excessive heat, thereby ensuring the use efficiency of the circuit board 2.

[0024] The heat dissipation mesh plate 13 is also provided with a cavity inside, in which a plug rod 18 is slidably provided, and a clamping block 17 is also provided on the top of the mounting shell 10, and a plug rod 18 used in conjunction with the plug rod 18 is provided on the clamping block 17. Under the action of the plug rod 18 and the clamping block 17, it is convenient to disassemble the heat dissipation mesh plate 13, and then it is convenient for the staff to clean the dust on the heat dissipation mesh plate 13, thereby ensuring the quality of use of the heat dissipation mesh plate 13 for the heat dissipation fan 16. A second spring 19 is also sleeved on the outer side of the plug rod 18, and one end of the second spring 19 is in the cavity. The wall is connected, and under the action of the second spring 19, the fixing quality of the plug rod 18 to the block 17 is guaranteed, thereby ensuring the use efficiency of the heat dissipation mesh 13. A second handle 1801 is also provided at the outer end of the plug rod 18. Under the action of the second handle 1801, it is convenient for the staff to move the plug rod 18, thereby allowing the plug rod 18 to release the restriction on the block 17, thereby facilitating the removal of the heat dissipation mesh 13, and further facilitating the staff to clean the heat dissipation mesh 13, thereby ensuring the use efficiency of the heat dissipation mesh 13.

[0025] In actual use, when the circuit board 2 needs to be installed, the staff sets the circuit board 2 on the mounting plate 1. At this time, under the action of the plug block 6 and the fixing block 3, the installation quality of the circuit board 2 is guaranteed. When the circuit board 2 needs to be disassembled, the staff moves the first handle 501 inward so that the plug block 6 releases the restriction on the fixing block 3. At this time, the circuit board 2 can be removed, so that the circuit board 2 can be repaired. In addition, when the circuit board 2 is working, a certain amount of heat will be generated. Under the action of the heat dissipation fins 14, the heat is conducted out and discharged by the heat dissipation fan 16, thereby completing the heat dissipation work for the circuit board 2. After long-term use, a large amount of dust will remain on the heat dissipation mesh plate 13. At this time, the staff pulls the second handle 1801 outward so that the plug rod 18 releases the restriction on the card block 17, thereby removing the heat dissipation mesh plate 13 from the mounting shell 10, thereby facilitating the staff to clean the heat dissipation mesh plate 13, thereby ensuring the use efficiency of the heat dissipation mesh plate 13, and then ensuring the use efficiency of the heat dissipation fan 16.

[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A PCB circuit board with good heat dissipation effect, comprising a mounting plate (1), characterized in that: A circuit board (2) is arranged on the top of the mounting plate (1); a fixing block (3) is arranged on the top of the mounting plate (1) and located on the side of the circuit board (2); a mounting block (4) is also arranged on the circuit board (2); a through hole is arranged through the mounting block (4); a slide bar (5) is arranged in the through hole for sliding; an insert block (6) is arranged at the outer end of the slide bar (5); a plug hole for use with the insert block (6) is arranged on the fixing block (3); a first spring (7) is also sleeved on the outer side of the slide bar (5); one end of the first spring (7) is connected to the mounting block (4) The other end of the first spring (7) is connected to the plug block (6); a fixing plate (8) is also arranged on the top of the circuit board (2); a mounting shell (10) is arranged on the fixing plate (8) through mounting screws (12) and side plates (11); a bracket (15) is also arranged inside the mounting shell (10); a heat dissipation fan (16) is arranged on the bracket (15); a heat dissipation mesh plate (13) is also arranged on the mounting shell (10); a heat dissipation fin (14) is also arranged on the bottom of the mounting shell (10); and the heat dissipation fin (14) is in contact with the circuit board (2).

2. The PCB circuit board with good heat dissipation effect according to claim 1, characterized in that: The heat dissipation mesh plate (13) is also provided with a cavity inside, in which an insertion rod (18) is slidably provided, and the top of the installation shell (10) is also provided with a clamping block (17), on which the insertion rod (18) used in conjunction with the insertion rod (18) is provided.

3. The PCB circuit board with good heat dissipation effect according to claim 2 is characterized in that: A second spring (19) is also sleeved on the outer side of the insertion rod (18).

4. The PCB circuit board with good heat dissipation effect according to claim 3 is characterized in that: One end of the second spring (19) is connected to the inner wall of the cavity.

5. The PCB circuit board with good heat dissipation effect according to claim 1, characterized in that: A first handle (501) is provided at the inner end of the sliding rod (5).

6. The PCB circuit board with good heat dissipation effect according to claim 3, characterized in that: A second handle (1801) is also provided at the outer end of the insertion rod (18).

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