CN211648554U - But radiator fan of automatically regulated rotational speed - Google Patents
But radiator fan of automatically regulated rotational speed Download PDFInfo
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- CN211648554U CN211648554U CN202020192661.XU CN202020192661U CN211648554U CN 211648554 U CN211648554 U CN 211648554U CN 202020192661 U CN202020192661 U CN 202020192661U CN 211648554 U CN211648554 U CN 211648554U
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- rotating speed
- temperature
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- control processor
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- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The utility model discloses a cooling fan capable of automatically adjusting the rotating speed, which comprises a fan body, a temperature sensor, a micro control processor and a circuit connecting plate; the temperature sensor is arranged in a reflected airflow area of the heat dissipation terminal, monitors the temperature of the heat dissipation terminal and transmits a temperature signal to the micro-control processor; the micro-control processor receives the temperature signal in real time, correspondingly converts the fan rotating speed information according to the temperature signal, and outputs the fan rotating speed information to control the rotating speed of the fan; and the circuit connecting plate is connected with the temperature sensor and the micro-control processor and used for signal transmission. The utility model discloses a fan carries out automatic, nimble control through the temperature that detects heat dissipation terminal to the rotational speed of fan, avoids the fan to be in high-speed rotation always and the loss that brings to and the further damage of the equipment that arouses, reduces terminal equipment's maintenance cost, can realize the purpose of the low consumption environmental protection of fan simultaneously.
Description
Technical Field
The utility model belongs to the radiator fan field, concretely relates to but radiator fan of automatically regulated rotational speed.
Background
At present, along with the improvement of the capability of an electronic operation chip, the problem of chip heat dissipation is brought. In the prior art, heat dissipation is mainly performed by a fan installed at a terminal position. The control of the fan of the PC terminal equipment adopts constant-speed rotation at present, and the fan is always in high-rotation during use, so that the fan is easy to be used excessively to shorten the service life. Meanwhile, when the fan fails, the terminal product for heat dissipation is easily damaged due to the fact that the terminal product cannot be timely dissipated and overheat occurs, and meanwhile, the maintenance cost of the equipment is increased.
SUMMERY OF THE UTILITY MODEL
To above-mentioned radiating problem of electronic terminal product, the utility model provides a set up at the electronic product terminal, can be according to the temperature at the terminal that detects, the radiator fan of automatically regulated rotational speed.
Realize above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
the utility model provides a but radiator fan of automatically regulated rotational speed, including the fan body, its characterized in that: the temperature sensor, the micro-control processor and the circuit connecting plate are also included;
the temperature sensor is arranged in a reflected airflow area of the heat dissipation terminal, monitors the temperature of the heat dissipation terminal and transmits a temperature signal to the micro-control processor;
the micro-control processor receives the temperature signal in real time, correspondingly converts the fan rotating speed information according to the temperature signal, and outputs the fan rotating speed information to control the rotating speed of the fan;
and the circuit connecting plate is connected with the temperature sensor and the micro-control processor and used for signal transmission.
As a further improvement, the temperature sensor monitors the temperature at the heat dissipation terminal at time intervals.
As a further improvement, the micro control processor adjusts the fan speed according to the stepped regulation of the ambient temperature according to the stepped relation of the step.
As an embodiment of the present invention, the temperature sensor is a thermistor with a model including, but not limited to, R21.
As an embodiment of the present invention, the micro control processor is a thermistor of the type including but not limited to R21.
As an embodiment of the present invention, the circuit connection board includes but is not limited to a PCBA printed circuit board.
As a further improvement of the utility model, the rotating speed of the fan body is 0-50000rmp, and the rotating speed interval of the fan can be selected as required, namely the rotating speed interval between the lowest rotating speed and the highest rotating speed is included.
The utility model has the advantages that: the utility model discloses a fan carries out automatic, nimble control through the temperature that detects heat dissipation terminal to the rotational speed of fan, avoids the fan to be in high-speed rotation always and the loss that brings to and the further damage of the equipment that arouses, reduces terminal equipment's maintenance cost, can realize the purpose of the low consumption environmental protection of fan simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
wherein: 1 temperature sensor, 2 micro control processor, 3 circuit connection board and 4 fan.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following description is made in detail for the application of the principles of the present invention with reference to the accompanying drawings.
As shown in the figure, the rotary cooling fan capable of automatically adjusting the rotating speed of the fan comprises a fan body, and further comprises a temperature sensor 1, a micro control processor 2 and a circuit connecting plate 3 which are installed on the fan body, wherein the rotating speed of a motor in the fan body is controlled in the following mode.
The temperature sensor 1 monitors the ambient temperature of the heat dissipation terminal, and transmits a temperature signal to the micro-control processor 2. In order to facilitate accurate monitoring of the temperature of the heat sink terminal, attention needs to be paid to setting the temperature sensor 1 to a reflected air flow region through the heat sink terminal at the time of installation. The temperature sensor 1 monitors the temperature of the heat sink terminal at time intervals, which can be set as desired, typically 5-30 s.
And the micro-control processor 2 receives the temperature signal in real time, correspondingly converts the fan rotating speed information according to the temperature signal, and outputs the fan rotating speed information to control the rotating speed of the fan. The utility model discloses in microcontroller 2 is according to the relation of step rank, according to the cascaded improvement fan speed of ambient temperature. As shown in fig. 1, when the temperature is lower than 25 ℃, the fan rotates at a minimum rotation speed of 2100 rpm; when the temperature is 25-40 ℃, the rotating speed of the fan is linearly increased until the highest rotating speed is 3900rpm, and when the temperature is higher than 40 ℃, the fan always rotates at the highest rotating speed of 3900 rpm.
And the circuit connecting plate 3, the temperature sensor 1 and the micro-control processor 2 are arranged on the circuit connecting plate 3 in a physical connecting line mode and are used for transmitting signals between the two.
Based on the structure, the model of the component and the rotating speed of the fan can be selected according to actual requirements, namely the heat dissipation capacity of the terminal. In the embodiment of the present invention, the temperature sensor 1 is a thermistor with a model number R21. The micro-controller processor 2 is a micro-controller of type IC 1. The circuit connecting board 3 adopts a PCBA printed circuit board, and the temperature sensor 1 and the micro control processor 2 are connected through a circuit in the PCBA printed circuit board. To the utility model provides a selected components and parts of usefulness of embodiment, the minimum rotational speed of the fan 4 of chooseing for use is 2100rmp, and maximum rotational speed 3900 rmp.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a but radiator fan of automatically regulated rotational speed, includes the fan body, its characterized in that: the temperature sensor, the micro-control processor and the circuit connecting plate are also included;
the temperature sensor is arranged in a reflected airflow area of the heat dissipation terminal, monitors the temperature of the heat dissipation terminal and transmits a temperature signal to the micro-control processor;
the micro-control processor receives the temperature signal in real time, correspondingly converts the fan rotating speed information according to the temperature signal, and outputs the fan rotating speed information to control the rotating speed of the fan;
and the circuit connecting plate is connected with the temperature sensor and the micro-control processor and used for signal transmission.
2. The cooling fan capable of automatically adjusting the rotating speed according to claim 1, wherein: the temperature sensor monitors the temperature of the heat dissipation terminal at time intervals.
3. The cooling fan capable of automatically adjusting the rotating speed according to claim 1, wherein: and the micro-control processor regulates the rotating speed of the fan in a stepped manner according to the environment temperature according to the stepped relationship.
4. The cooling fan capable of automatically adjusting the rotating speed according to claim 1, wherein: the temperature sensor is a thermistor of the type including but not limited to R21.
5. The cooling fan capable of automatically adjusting the rotating speed according to claim 1, wherein: the microcontroller processor may be of a type including, but not limited to, the microcontroller of IC 1.
6. The cooling fan capable of automatically adjusting the rotating speed according to claim 1, wherein: the circuit connection board includes, but is not limited to, a PCBA printed circuit board.
7. The cooling fan capable of automatically adjusting the rotating speed according to claim 1, wherein: the rotating speed of the fan body is 0-50000 rmp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020192661.XU CN211648554U (en) | 2020-02-21 | 2020-02-21 | But radiator fan of automatically regulated rotational speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020192661.XU CN211648554U (en) | 2020-02-21 | 2020-02-21 | But radiator fan of automatically regulated rotational speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211648554U true CN211648554U (en) | 2020-10-09 |
Family
ID=72685257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020192661.XU Active CN211648554U (en) | 2020-02-21 | 2020-02-21 | But radiator fan of automatically regulated rotational speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211648554U (en) |
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2020
- 2020-02-21 CN CN202020192661.XU patent/CN211648554U/en active Active
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