CN216146509U - PCB circuit board convenient to ventilation cooling - Google Patents

PCB circuit board convenient to ventilation cooling Download PDF

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Publication number
CN216146509U
CN216146509U CN202121712961.7U CN202121712961U CN216146509U CN 216146509 U CN216146509 U CN 216146509U CN 202121712961 U CN202121712961 U CN 202121712961U CN 216146509 U CN216146509 U CN 216146509U
Authority
CN
China
Prior art keywords
circuit board
heat dissipation
layer
fixing frame
board body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202121712961.7U
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Chinese (zh)
Inventor
何骏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou Kelong Electronic Co ltd
Original Assignee
Changzhou Kelong Electronic Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changzhou Kelong Electronic Co ltd filed Critical Changzhou Kelong Electronic Co ltd
Priority to CN202121712961.7U priority Critical patent/CN216146509U/en
Application granted granted Critical
Publication of CN216146509U publication Critical patent/CN216146509U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a PCB circuit board convenient for ventilation and heat dissipation, which comprises a circuit board body and a fixing frame, wherein a groove is formed in the fixing frame, the circuit board body is placed in the groove, a fixing plate is arranged on the lower side of the fixing frame, a fan is arranged on the fixing plate, a temperature sensor is arranged on the upper surface of the circuit board body, and a fastening device is arranged on the upper side of the fixing frame.

Description

PCB circuit board convenient to ventilation cooling
Technical Field
The utility model belongs to the technical field of circuit boards, and particularly relates to a PCB circuit board convenient for ventilation and heat dissipation.
Background
The PCB circuit board, also known as printed circuit board, short for printed circuit board, regard insulating board as the substrate, cut into certain size, at least attach a conductive pattern on it, and distribute the hole (such as component hole, fastening hole, metallized hole, etc.), the chassis used for replacing the electronic components of the past device, and realize the interconnect between the electronic components, because the PCB circuit board can produce the heat in the work, if these heats can't be dispelled, can seriously influence the life-span, the damage of the PCB circuit board can be caused for a long time.
Utility model's application number is 202020912653.8 utility model's a heat dissipation type PCB circuit board ' includes base plate and electrical apparatus board, base plate and electrical apparatus board are closely laminated, both ends all are fixed with the heat dissipation frame about base plate and electrical apparatus board, the top surface and the bottom surface of heat dissipation frame are fixed with the backup pad, all be fixed with the heating panel between each pair of backup pad, a plurality of radiating grooves that link up each other about seting up on the heating panel, the radiating groove internal fixation has a plurality of heat exchanger fins, this utility model discloses a heat dissipation is dispelled the heat to the circuit board to the heating panel, but certain effect is not high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a PCB circuit board convenient for ventilation and heat dissipation, which solves the problem of low heat dissipation efficiency of the circuit board and can perform timely high-temperature early warning.
The technical scheme adopted by the utility model for solving the technical problem is as follows.
The temperature sensor comprises a circuit board body and a fixing frame, wherein a groove is formed in the fixing frame, the circuit board body is placed in the groove, a fixing plate is arranged on the lower side of the fixing frame, a fan is arranged on the fixing plate, a temperature sensor is arranged on the upper surface of the circuit board body, and a fastening device is arranged on the upper side of the fixing frame.
Furthermore, the fastening device is a bolt, a threaded hole is formed in the inner side of the upper surface of the fixing frame, and the bolt is placed in the threaded hole.
Further, the lower surface of the bolt is provided with a first soft adhesive layer, and one end of the groove, which is in contact with the lower surface of the circuit board body, is provided with a second soft adhesive layer.
Further, the circuit board body includes component layer, flame retardant coating and heat dissipation layer, the flame retardant coating sets up in component layer outside, the heat dissipation layer sets up in the flame retardant coating outside.
Furthermore, the heat dissipation layer is provided with through heat dissipation holes.
Furthermore, the lower end of the fixing frame is provided with a cushion pad.
Furthermore, the groove is T-shaped, and the fixing frame penetrates through the groove from front to back.
The utility model has the beneficial effects that:
1. the setting of fan can improve the radiating efficiency to the circuit board, and the blotter that the mount lower extreme set up can cushion the vibrations that the fan operation brought and alleviate, prevents to bring the damage because of vibrations to the circuit board.
2. The temperature sensor on the circuit board body can detect the temperature of the circuit board and timely perform high-temperature early warning.
3. The place that mount recess and circuit board contacted and the lower extreme of bolt all are equipped with the soft glue layer, also can not cause the damage to the circuit board when carrying out fine clamp to the circuit board and fixing.
Drawings
The foregoing and other objects, features, and advantages of the utility model will be apparent from the following detailed description taken in conjunction with the accompanying drawings.
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic cross-sectional view of the circuit board body according to the present invention;
wherein: 1. a circuit board body; 101. an element layer; 102. a fire barrier layer; 103. a heat dissipation layer; 1031. heat dissipation holes; 2. a fixed mount; 201. a groove; 3. a fixing plate; 4. a fan; 5. a temperature sensor; 6. a bolt; 7. a first soft adhesive layer; 8. a second soft adhesive layer; 9. a cushion pad.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Embodiment 1, referring to fig. 1, the printed circuit board assembly comprises a circuit board body 1 and a fixing frame 2, wherein the fixing frame 2 is provided with a groove 201, the groove 201 is T-shaped, the fixing frame penetrates through the front and back of the groove 201, the circuit board body 1 is placed between the grooves 201, a fastening device is arranged on the upper side of the fixing frame and is a bolt, a threaded hole is formed in the inner side of the upper surface of the fixing frame, a bolt 6 is placed in the threaded hole, a first soft rubber layer 7 is arranged on the lower surface of the bolt 6, a second soft rubber layer 8 is arranged at one end, in contact with the lower surface of the circuit board body 1, of the groove 201, and the first soft rubber layer 7 and the second soft rubber layer 8 can well clamp and fix the circuit board without damaging the circuit board.
Specifically, T style of calligraphy recess 201 gas permeability is good, and is little with circuit board area of contact, more is favorable to the heat dissipation of circuit board.
Specifically, the length of the bolt 6 is larger than that of the through hole, the rotating bolt 6 can clamp circuit boards with different thicknesses, and the circuit boards are convenient to replace.
The 2 downside of mount is equipped with fixed plate 3, is equipped with fan 4 on fixed plate 3, and fan 4 operates through the motor with 3 central symmetric distributions of fixed plate, fan 4, carries out effectual heat dissipation cooling to circuit board body 1, and the heat of taking away circuit board body 1 that can be quick prevents that circuit board body 1 from causing the damage because of the high temperature.
Referring to fig. 1 and 2, 1 upper surface of circuit board body is equipped with temperature sensor 5, temperature sensor 5 uses circuit board body 1 as central symmetry distribution, temperature sensor 5 installs the place that circuit board body 1 temperature is the highest, temperature sensor 5 joinable sets up the temperature control chip on circuit board body 1, in order to realize the start-up of fan and reach the cooling purpose within the interval of setting for the temperature, temperature control chip is model AD7416, alarm and fan motor are connected to temperature control chip output, can carry out timely detection to the temperature of circuit board body 1, when circuit board body 1 high temperature, the alarm can carry out high temperature early warning and start-up the fan, prevent that circuit board body 1 high temperature from damaging the circuit board.
Referring to fig. 3, the circuit board body 1 includes an element layer 101, a fire-retardant layer 102 and a heat dissipation layer 103, the fire-retardant layer 102 is disposed outside the element layer 101, and the fire-retardant layer is made of a ceramic layer, which effectively isolates damage to the inside of the circuit board caused by an external fire source.
Specifically, the heat dissipation layer 103 is a phenolic resin copper clad laminate, which has strong flame retardant property and is economical and practical.
Specifically, the heat dissipation layer 103 is arranged outside the fireproof layer 102, the through type heat dissipation holes 1031 are formed in the heat dissipation layer 103, the fan can continuously cool the circuit board through the heat dissipation holes 1031, and heat generated by the circuit board can be dissipated timely through the upper and lower heat dissipation layers 103.
Embodiment 2, referring to fig. 1, the difference from embodiment 1 is that a buffer pad 9 is disposed at the lower end of the fixing frame 2, so that a small range of vibration may be brought by the operation of the fan, and a certain damage may be caused to the circuit board.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiment according to the present invention are within the scope of the present invention.

Claims (7)

1. The utility model provides a PCB circuit board convenient to ventilation cooling, includes circuit board body (1) and mount (2), mount (2) are equipped with recess (201), place in recess (201) circuit board body (1), its characterized in that: the fixing frame is characterized in that a fixing plate (3) is arranged on the lower side of the fixing frame (2), a fan (4) is arranged on the fixing plate (3), a temperature sensor (5) is arranged on the upper surface of the circuit board body (1), and a fastening device is arranged on the upper side of the fixing frame.
2. The PCB circuit board convenient for ventilation and heat dissipation of claim 1, wherein: the fastening device is a bolt (6), a threaded hole is formed in the inner side of the upper surface of the fixing frame (2), and the bolt (6) is placed in the threaded hole.
3. A PCB board for facilitating ventilation and heat dissipation according to claim 2, wherein: bolt (6) lower surface is equipped with first soft glue layer (7), the one end of recess (201) and circuit board body (1) lower surface contact is equipped with second soft glue layer (8).
4. The PCB circuit board convenient for ventilation and heat dissipation of claim 1, wherein: the circuit board body (1) comprises an element layer (101), a fireproof layer (102) and a heat dissipation layer (103), wherein the fireproof layer (102) is arranged outside the element layer (101), and the heat dissipation layer (103) is arranged outside the fireproof layer (102).
5. A PCB circuit board convenient for ventilation and heat dissipation according to claim 4, wherein: and the heat dissipation layer (103) is provided with a through type heat dissipation hole (1031).
6. The PCB circuit board convenient for ventilation and heat dissipation of claim 1, wherein: the lower end of the fixing frame (2) is provided with a cushion pad (9).
7. The PCB circuit board convenient for ventilation and heat dissipation of claim 1, wherein: the groove (201) is T-shaped, and the groove (201) penetrates through the fixing frame (2) from front to back.
CN202121712961.7U 2021-07-26 2021-07-26 PCB circuit board convenient to ventilation cooling Expired - Fee Related CN216146509U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121712961.7U CN216146509U (en) 2021-07-26 2021-07-26 PCB circuit board convenient to ventilation cooling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121712961.7U CN216146509U (en) 2021-07-26 2021-07-26 PCB circuit board convenient to ventilation cooling

Publications (1)

Publication Number Publication Date
CN216146509U true CN216146509U (en) 2022-03-29

Family

ID=80804248

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121712961.7U Expired - Fee Related CN216146509U (en) 2021-07-26 2021-07-26 PCB circuit board convenient to ventilation cooling

Country Status (1)

Country Link
CN (1) CN216146509U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220329