CN216146509U - PCB circuit board convenient to ventilation cooling - Google Patents
PCB circuit board convenient to ventilation cooling Download PDFInfo
- 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
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 12
- 238000001816 cooling Methods 0.000 title claims description 5
- 230000017525 heat dissipation Effects 0.000 claims abstract description 33
- 239000003292 glue Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 25
- 239000003063 flame retardant Substances 0.000 description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 4
- 239000012790 adhesive layer Substances 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
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
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.
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.
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) |
-
2021
- 2021-07-26 CN CN202121712961.7U patent/CN216146509U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220329 |