CN215647554U - Circuit board with heat dissipation function - Google Patents
Circuit board with heat dissipation function Download PDFInfo
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- CN215647554U CN215647554U CN202121877785.2U CN202121877785U CN215647554U CN 215647554 U CN215647554 U CN 215647554U CN 202121877785 U CN202121877785 U CN 202121877785U CN 215647554 U CN215647554 U CN 215647554U
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- Prior art keywords
- heat dissipation
- circuit board
- dissipation fan
- fixedly connected
- board body
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 75
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 11
- 229910052753 mercury Inorganic materials 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000000741 silica gel Substances 0.000 claims description 7
- 229910002027 silica gel Inorganic materials 0.000 claims description 7
- 239000003381 stabilizer Substances 0.000 claims description 6
- 241000883990 Flabellum Species 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 abstract description 4
- 230000006698 induction Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Images
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model relates to a circuit board with a heat dissipation function, which belongs to the technical field of circuit boards and comprises a circuit board body and a plurality of circuit elements, wherein the top of the circuit board body is fixedly connected with the bottoms of the circuit elements, a heat dissipation fan is arranged in the middle of the circuit board body, the bottom of the heat dissipation fan is fixedly connected with a wind guide mounting bracket, and a temperature induction triggering device is arranged in the wind guide mounting bracket. When the working temperature of the circuit board body is too high, the temperature sensing trigger device can be triggered, so that a circuit of the heat dissipation fan is automatically switched on, the heat dissipation fan operates to dissipate heat of circuit elements at the top of the circuit board body, and the air guide mounting support can guide air, so that the heat dissipation is more complete.
Description
Technical Field
The utility model relates to the technical field of circuit boards, in particular to a circuit board with a heat dissipation function.
Background
The circuit board plays a role of a connecting element in the electrical equipment, can also play a role of a control circuit in the electrical equipment, can form an integrated circuit in the electrical equipment, and in order to prolong the service life of the circuit board, a plurality of circuit boards are provided with heat dissipation structures.
Most of existing circuit board heat dissipation structures are fan-type heat dissipation structures, heat dissipation is achieved through air convection, but heat dissipation devices are all started after circuit boards are connected with electricity, so that good heat dissipation of the circuit boards is guaranteed, but the power consumption of the circuit boards is large, and the problem that the power consumption is too large due to the fact that the circuit boards with the heat dissipation mechanisms are started and stopped automatically is solved.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention provides a circuit board with a heat dissipation function, which has a function of automatically turning on or off a heat dissipation mechanism according to temperature, and the heat dissipation is relatively complete.
The technical scheme of the utility model is as follows: the utility model provides a circuit board with heat dissipation function, includes circuit board body and a plurality of circuit component, the top of circuit board body and the bottom fixed connection of circuit component, the middle part of circuit board body is provided with the heat dissipation fan, the bottom fixedly connected with wind-guiding installing support of heat dissipation fan, the inside temperature-sensing trigger device that is provided with of wind-guiding installing support.
The working principle of the technical scheme is as follows:
when the working temperature of the circuit board body is too high, the temperature sensing trigger device can be triggered, so that a circuit of the heat dissipation fan is automatically switched on, the heat dissipation fan operates to dissipate heat of circuit elements at the top of the circuit board body, and the air guide mounting support can guide air, so that the heat dissipation is more complete.
In a further technical scheme, the air guide mounting bracket comprises a support plate and two arc-shaped air guide plates inside, the top of the support plate is fixedly connected with the bottom of the heat dissipation fan, and the two arc-shaped air guide plates distributed in a mirror image mode are fixed on the two sides of the top of the support plate.
Specifically, there is the cambered surface on the surface of arc aviation baffle, and when the heat dissipation fan blew to the bottom, the air current can flow along the cambered surface of arc aviation baffle, is guided to both sides by the arc aviation baffle to blow to circuit element on a large scale, cool down circuit element on a large scale, the heat dissipation is more abundant comprehensive.
In a further technical scheme, temperature-sensing trigger device is including storing box and capillary, the capillary is vertical setting, the bottom of capillary and the top fixed connection who stores the box, the lower extreme of capillary is linked together with the inside of storing the box, the inside packing of storing the box has mercury.
Specifically, when the temperature of the circuit board body is too high, the temperature is conducted to the storage box, mercury filled in the storage box expands due to heating, and therefore the mercury can rise to the top of the capillary tube along the capillary tube and is a conductor, and the storage box can be communicated with the inside of the capillary tube.
In a further technical scheme, the outer wall fixedly connected with battery of backup pad, the outer wall of battery is provided with a plurality of wire, the output of battery is connected through the inside electrical output who sets up with the storage box, the upper end of capillary is connected through the input electrical output of the wire that sets up and heat dissipation fan, the output of heat dissipation fan is connected through the wire that sets up and the input electrical output of battery.
Specifically, the storage box and the capillary tube are used as a temperature control switch, the storage battery is used for providing a stable power supply, and a loop is formed among the storage battery, the storage box, the capillary tube and the heat dissipation fan.
In a further technical scheme, the inside of heat dissipation fan includes motor and flabellum, the bottom of motor and the inner wall fixed connection of heat dissipation fan, the output shaft fixedly connected with flabellum of motor, the air intake has been seted up at the top of heat dissipation fan, the window of giving vent to anger has been seted up to the bottom of heat dissipation fan.
Specifically, the motor can drive the fan blades to rotate after being electrified, so that outside cold air is sucked from the air inlet and then is discharged from the air outlet window at the bottom of the heat dissipation fan.
In a further technical scheme, the bottom at the two ends of the supporting plate is fixedly connected with insulating support legs, and the supporting plate is fixedly connected with the top of the circuit board body through the insulating support legs.
Specifically, the insulating property of insulating stabilizer blade can cause the short circuit of circuit board body when preventing to install, and the area of insulating stabilizer blade is less, only needs less installation space during the installation.
In a further technical scheme, the bottom of the storage box is fixedly connected with a heat-conducting silica gel sheet, and the bottom of the heat-conducting silica gel sheet is fixedly connected with the top of the circuit board body.
Specific, the heat conduction silica gel piece can fill the space between storage box and the circuit board body, and can be with great area of contact, transmits the heat of circuit board body to the storage box fast for temperature-sensing sensitivity more.
The utility model has the beneficial effects that:
1. when the working temperature of the circuit board body is too high, the temperature sensing trigger device can be triggered, so that a circuit of the heat dissipation fan is automatically switched on, the heat dissipation fan operates to dissipate heat of circuit elements at the top of the circuit board body, and the wind guide mounting bracket can guide wind, so that the heat dissipation is more complete;
2. the cambered surface is arranged on the surface of the arc-shaped air deflector, when the heat dissipation fan blows downwards, airflow flows along the cambered surface of the arc-shaped air deflector and is guided to two sides by the arc-shaped air deflector, so that the airflow is blown to a large-scale circuit element, the large-scale circuit element is cooled, and heat dissipation is more sufficient and comprehensive;
3. when the temperature of circuit board body is too high, the temperature conducts and stores the box, store the inside mercury that fills of box and be heated the inflation, thereby will rise to the top of capillary along the capillary, and mercury is the conductor, just can be with storing box and capillary inside and switching on, it uses as temperature detect switch with the capillary to store the box, the battery is used for providing the power steadily, and the battery, it forms the return circuit to store between box and capillary and the heat dissipation fan, thereby when the temperature risees, it rises with the inside mercury inflation of capillary to store the box, make the circuit switch on, the work of heat dissipation fan is cooled down, in order to reach the function that can open or close heat dissipation mechanism according to the temperature is automatic, reduce the not high consumption of circuit board body temperature.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional structural view of the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2 at A in accordance with the present invention;
FIG. 4 is an enlarged view of the heat dissipating fan according to the present invention;
fig. 5 is an enlarged view of the structure at B in fig. 4 according to the present invention.
Description of reference numerals:
1. a circuit board body; 2. a circuit element; 3. an insulating support leg; 4. a heat dissipation fan; 5. a motor; 6. a fan blade; 7. an air inlet; 8. an air outlet window; 9. a support plate; 10. an arc-shaped air deflector; 11. a heat-conducting silica gel sheet; 12. a capillary tube; 13. a storage battery; 14. and (7) storing the box.
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings.
Example (b):
as shown in fig. 1-2, the printed circuit board comprises a circuit board body 1 and a plurality of circuit elements 2, wherein the top of the circuit board body 1 is fixedly connected with the bottom of the circuit elements 2, a heat dissipation fan 4 is arranged in the middle of the circuit board body 1, the bottom of the heat dissipation fan 4 is fixedly connected with a wind guide mounting bracket, and a temperature sensing trigger device is arranged in the wind guide mounting bracket.
The working principle of the technical scheme is as follows:
when the working temperature of the circuit board body 1 is too high, the temperature sensing trigger device can be triggered, so that a circuit of the heat dissipation fan 4 is automatically switched on, the heat dissipation fan 4 operates to dissipate heat of the circuit element 2 at the top of the circuit board body 1, and the wind guide mounting support can guide wind, so that the heat dissipation is more complete.
In another embodiment, as shown in fig. 3, the air guide mounting bracket includes a supporting plate 9 and two arc-shaped air guide plates 10, the top of the supporting plate 9 is fixedly connected to the bottom of the heat dissipating fan 4, and two arc-shaped air guide plates 10 are fixed to two sides of the top of the supporting plate 9.
The surface of arc aviation baffle 10 has the cambered surface, and when heat dissipation fan 4 blew wind downwards, the air current can flow along the cambered surface of arc aviation baffle 10, is guided to both sides by arc aviation baffle 10 to blow circuit element 2 on a large scale, cool down circuit element 2 on a large scale, the heat dissipation is more abundant comprehensive.
In another embodiment, as shown in fig. 5, the temperature sensing triggering device includes a storage box 14 and a capillary tube 12, the capillary tube 12 is vertically disposed, the bottom of the capillary tube 12 is fixedly connected to the top of the storage box 14, the lower end of the capillary tube 12 is communicated with the inside of the storage box 14, and the inside of the storage box 14 is filled with mercury.
When the temperature of the wiring board body 1 is too high, the temperature is conducted to the storage box 14, the mercury filled in the storage box 14 expands due to heat, and then the mercury rises to the top of the capillary 12 along the capillary 12, and the mercury is a conductor, so that the storage box 14 can be communicated with the inside of the capillary 12.
In another embodiment, as shown in fig. 4, a storage battery 13 is fixedly connected to an outer wall of the supporting plate 9, a plurality of wires are disposed on an outer wall of the storage battery 13, an output end of the storage battery 13 is electrically connected to an internal electrical output of the storage box 14 through the disposed wires, an upper end of the capillary 12 is electrically connected to an input end of the heat dissipation fan 4 through the disposed wires, and an output end of the heat dissipation fan 4 is electrically connected to an input end of the storage battery 13 through the disposed wires.
The storage box 14 and the capillary 12 are used as a temperature control switch, the storage battery 13 is used for providing stable power supply, and a loop is formed among the storage battery 13, the storage box 14, the capillary 12 and the heat dissipation fan 4.
In another embodiment, as shown in fig. 3, the inside of the heat dissipation fan 4 includes a motor 5 and fan blades 6, the bottom of the motor 5 is fixedly connected to the inner wall of the heat dissipation fan 4, the output shaft of the motor 5 is fixedly connected to the fan blades 6, the top of the heat dissipation fan 4 is provided with an air inlet 7, and the bottom of the heat dissipation fan 4 is provided with an air outlet window 8.
After the motor 5 is powered on, the fan blades 6 are driven to rotate, so that outside cold air is sucked from the air inlet 7 and then is discharged from the air outlet window 8 at the bottom of the heat dissipation fan 4.
In another embodiment, as shown in fig. 1, the bottom of each of the two ends of the supporting plate 9 is fixedly connected with an insulating support leg 3, and the supporting plate 9 is fixedly connected with the top of the circuit board body 1 through the insulating support legs 3.
The insulating property of insulating stabilizer blade 3 causes the short circuit of circuit board body 1 when can preventing to install, and the area of insulating stabilizer blade 3 is less, only needs less installation space during the installation.
In another embodiment, as shown in fig. 3, a heat conductive silicone sheet 11 is fixedly connected to the bottom of the storage box 14, and the bottom of the heat conductive silicone sheet 11 is fixedly connected to the top of the circuit board body 1.
The heat conduction silica gel sheet 11 can fill the space between the storage box 14 and the circuit board body 1, and can rapidly transmit the heat of the circuit board body 1 to the storage box 14 with a larger contact area, so that the temperature sensing is more sensitive.
The above examples only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (7)
1. The utility model provides a circuit board with heat dissipation function, includes circuit board body (1) and a plurality of circuit component (2), the bottom fixed connection of the top of circuit board body (1) and circuit component (2), its characterized in that: the middle part of circuit board body (1) is provided with heat dissipation fan (4), the bottom fixedly connected with wind-guiding installing support of heat dissipation fan (4), the inside temperature-sensing trigger device that is provided with of wind-guiding installing support.
2. The circuit board with the heat dissipation function according to claim 1, wherein: the air guide mounting bracket is characterized in that the air guide mounting bracket comprises a supporting plate (9) and two arc-shaped air guide plates (10), the top of the supporting plate (9) is fixedly connected with the bottom of the heat dissipation fan (4), and the two arc-shaped air guide plates (10) distributed in a mirror image mode are fixed on the two sides of the top of the supporting plate (9).
3. The circuit board with the heat dissipation function according to claim 2, wherein: temperature-sensing trigger device is including storing box (14) and capillary (12), capillary (12) are vertical setting, the bottom of capillary (12) and the top fixed connection who stores box (14), the lower extreme of capillary (12) is linked together with the inside of storing box (14), the inside packing of storing box (14) has mercury.
4. A circuit board with a heat dissipating function according to claim 3, wherein: the outer wall fixedly connected with battery (13) of backup pad (9), the outer wall of battery (13) is provided with a plurality of wire, the output of battery (13) is through the wire that sets up and the inside electrical output connection of storing box (14), the upper end of capillary (12) is through the wire that sets up and the input electrical output connection of heat dissipation fan (4), the output of heat dissipation fan (4) is through the wire that sets up and the input electrical output connection of battery (13).
5. The circuit board with the heat dissipation function according to claim 1, wherein: the inside of heat dissipation fan (4) includes motor (5) and flabellum (6), the bottom of motor (5) and the inner wall fixed connection of heat dissipation fan (4), the output shaft fixedly connected with flabellum (6) of motor (5), air intake (7) have been seted up at the top of heat dissipation fan (4), air outlet window (8) have been seted up to the bottom of heat dissipation fan (4).
6. The circuit board with the heat dissipation function according to claim 2, wherein: the bottom of backup pad (9) both ends all fixedly connected with insulating stabilizer blade (3), the top fixed connection of backup pad (9) through insulating stabilizer blade (3) and circuit board body (1) that set up.
7. The circuit board with the heat dissipation function according to claim 4, wherein: the bottom of the storage box (14) is fixedly connected with a heat-conducting silica gel sheet (11), and the bottom of the heat-conducting silica gel sheet (11) is fixedly connected with the top of the circuit board body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121877785.2U CN215647554U (en) | 2021-08-12 | 2021-08-12 | Circuit board with heat dissipation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121877785.2U CN215647554U (en) | 2021-08-12 | 2021-08-12 | Circuit board with heat dissipation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215647554U true CN215647554U (en) | 2022-01-25 |
Family
ID=79897024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121877785.2U Active CN215647554U (en) | 2021-08-12 | 2021-08-12 | Circuit board with heat dissipation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215647554U (en) |
-
2021
- 2021-08-12 CN CN202121877785.2U patent/CN215647554U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A circuit board with heat dissipation function Effective date of registration: 20230414 Granted publication date: 20220125 Pledgee: Bank of China Limited Huangshi Branch Pledgor: Huangshiyong Xinglong Electronic Co.,Ltd. Registration number: Y2023420000161 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220125 Pledgee: Bank of China Limited Huangshi Branch Pledgor: Huangshiyong Xinglong Electronic Co.,Ltd. Registration number: Y2023420000161 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A circuit board with heat dissipation function Granted publication date: 20220125 Pledgee: Bank of China Limited Huangshi Branch Pledgor: Huangshiyong Xinglong Electronic Co.,Ltd. Registration number: Y2024980013795 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |