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CN203362568U - CPU cooling device - Google Patents

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Publication number
CN203362568U
CN203362568U CN201320374539.4U CN201320374539U CN203362568U CN 203362568 U CN203362568 U CN 203362568U CN 201320374539 U CN201320374539 U CN 201320374539U CN 203362568 U CN203362568 U CN 203362568U
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cpu
fan
cooling device
fan speed
speed controller
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蒋喜良
韩文汉
张戈
刘奇
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Loongson Technology Corp Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

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Abstract

本实用新型提供一种CPU散热装置，通过风扇转速控制器根据电源变换器向CPU提供的电能的功率值，对风扇的转速进行控制，使得风扇在风扇转速控制器的控制下，调节风扇的转速，对CPU进行散热，由于CPU的发出的热量是由向CPU提供的电能的功率值所决定的，因此，根据该功率值调节风扇的转速，对CPU进行散热，实现了CPU散热装置实时调节风扇的转速，解决了现有技术中CPU散热装置不能在CPU发出的热量发生变化时及时调节风扇的转速，导致风扇的转速调节存在滞后性的技术问题。

Figure 201320374539

The utility model provides a CPU cooling device, which controls the fan speed through a fan speed controller according to the power value of the electric energy provided by the power converter to the CPU, so that the fan can adjust the fan speed under the control of the fan speed controller. , to dissipate heat from the CPU, since the heat emitted by the CPU is determined by the power value of the electric energy provided to the CPU, therefore, the speed of the fan is adjusted according to the power value to dissipate heat from the CPU, realizing the real-time adjustment of the fan by the CPU cooling device The rotating speed of the CPU solves the technical problem that the CPU cooling device in the prior art cannot adjust the rotating speed of the fan in time when the heat emitted by the CPU changes, resulting in hysteresis in the adjusting of the rotating speed of the fan.

Figure 201320374539

Description

CPU散热装置CPU cooler

技术领域technical field

本实用新型涉及计算机技术，尤其涉及一种CPU散热装置。The utility model relates to computer technology, in particular to a CPU cooling device.

背景技术Background technique

中央处理器（Central Processing Unit，CPU）是一台计算机的运算核心和控制核心。CPU温度过高不但会影响CPU的寿命，而且超过阈值温度会引起主板自动保护断电，使正在进行运算的数据丢失。因此，对CPU进行散热是非常必要的。The central processing unit (Central Processing Unit, CPU) is the computing core and control core of a computer. Excessive CPU temperature will not only affect the life of the CPU, but also cause the motherboard to automatically protect and cut off the power if the temperature exceeds the threshold, resulting in the loss of the data being calculated. Therefore, it is very necessary to dissipate heat from the CPU.

现有技术中的CPU散热装置，通过侦测CPU的环境温度和安装CPU的主板的环境温度，根据侦测到的CPU的环境温度和安装CPU的主板的环境温度来调节风扇的转速，进而通过风扇对CPU散热以实现对CPU进行温度调节。但现有技术中的CPU散热装置，由于需要CPU发出的热量引起CPU的环境温度或主板的环境温度变化后，才能调节风扇的转速，因此，现有技术中的CPU散热装置不能在CPU发出的热量发生变化时及时调节风扇的转速，风扇的转速调节存在滞后性。The CPU cooling device in the prior art adjusts the rotating speed of the fan according to the detected ambient temperature of the CPU and the ambient temperature of the motherboard where the CPU is installed by detecting the ambient temperature of the CPU and the ambient temperature of the motherboard on which the CPU is installed, and then through The fan dissipates heat from the CPU to regulate the temperature of the CPU. However, the CPU cooling device in the prior art can adjust the rotating speed of the fan after the ambient temperature of the CPU or the main board needs to be changed by the heat generated by the CPU. When the heat changes, the speed of the fan is adjusted in time, and there is a lag in the speed adjustment of the fan.

实用新型内容Utility model content

本实用新型提供一种CPU散热装置，用于解决CPU散热装置不能在CPU发出的热量发生变化时及时调节风扇的转速，导致风扇的转速调节存在滞后性的技术问题。The utility model provides a CPU cooling device, which is used to solve the technical problem that the CPU cooling device cannot adjust the speed of the fan in time when the heat emitted by the CPU changes, resulting in hysteresis in the adjustment of the speed of the fan.

本实用新型的一个方面是提供一种CPU散热装置，包括：One aspect of the present utility model is to provide a CPU cooling device, comprising:

用于根据电源变换器向CPU提供的电能的功率值，对风扇转速进行控制的风扇转速控制器，所述风扇转速控制器与为所述CPU提供电能的电源变换器连接；A fan speed controller for controlling the fan speed according to the power value of the electric energy provided by the power converter to the CPU, the fan speed controller being connected to the power converter for providing power to the CPU;

用于在所述风扇转速控制器的控制下调节转速，以对所述CPU散热的风扇，所述风扇与所述风扇转速控制器连接。A fan used to adjust the speed under the control of the fan speed controller to dissipate heat from the CPU, and the fan is connected to the fan speed controller.

如上所述的CPU散热装置，所述电源变换器为直流变换器。According to the above CPU cooling device, the power converter is a DC converter.

如上所述的CPU散热装置，所述CPU散热装置还包括：The CPU cooling device as described above, the CPU cooling device also includes:

用于测量所述CPU的温度和主板的环境温度的温度感应器；所述CPU安装在所述主板上；所述温度感应器与所述风扇转速控制器连接；A temperature sensor for measuring the temperature of the CPU and the ambient temperature of the motherboard; the CPU is installed on the motherboard; the temperature sensor is connected to the fan speed controller;

所述风扇转速控制器，具体用于根据所述温度感应器测量到的所述CPU的温度和所述主板的环境温度，以及根据所述电源变换器向所述CPU提供的所述电能的功率值，对所述风扇的转速进行控制。The fan speed controller is specifically configured to use the temperature of the CPU measured by the temperature sensor and the ambient temperature of the motherboard, and the power of the electric energy provided to the CPU by the power converter value to control the speed of the fan.

如上所述的CPU散热装置，所述风扇转速控制器，包括：The CPU cooling device as described above, the fan speed controller includes:

用于根据所述电源变换器向所述CPU提供的所述电能的电压值和电流值，计算获得所述电源变换器向所述CPU提供的所述电能的功率值的计算单元；A calculation unit for calculating and obtaining the power value of the electric energy provided by the power converter to the CPU according to the voltage value and current value of the electric energy provided by the power converter to the CPU;

用于当所述CPU的温度超过第一阈值，或者所述主板的环境温度超过第二阈值，或者所述电源变换器向所述CPU提供的所述电能的功率值超过第三阈值，则提高转速；以及当所述CPU的温度低于所述第一阈值，并且所述主板的环境温度低于所述第二阈值，并且所述电源变换器向所述CPU提供的所述电能的功率值低于所述第三阈值，则降低转速的控制单元；所述控制单元与所述计算单元连接。When the temperature of the CPU exceeds a first threshold, or the ambient temperature of the motherboard exceeds a second threshold, or the power value of the electric energy provided by the power converter to the CPU exceeds a third threshold, increase the rotation speed; and when the temperature of the CPU is lower than the first threshold, and the ambient temperature of the motherboard is lower than the second threshold, and the power value of the electric energy provided by the power converter to the CPU Below the third threshold, a control unit that reduces the rotational speed; the control unit is connected to the calculation unit.

如上所述的CPU散热装置，所述温度感应器，包括：The above-mentioned CPU cooling device, the temperature sensor includes:

用于测量所述CPU的温度的第一测量单元，位于所述CPU的外表面；a first measuring unit for measuring the temperature of the CPU, located on the outer surface of the CPU;

用于测量所述主板的环境温度的第二测量单元，位于所述主板的上方。The second measuring unit for measuring the ambient temperature of the main board is located above the main board.

如上所述的CPU散热装置，所述第一测量单元为热敏三极管或热敏二极管。According to the above CPU cooling device, the first measuring unit is a thermal transistor or a thermal diode.

如上所述的CPU散热装置，所述第二测量单元为热敏三极管或热敏二极管。According to the above CPU cooling device, the second measuring unit is a thermal transistor or a thermal diode.

如上所述的CPU散热装置，所述风扇转速控制器通过集成电路I2C总线与所述电源变换器连接。According to the above CPU cooling device, the fan speed controller is connected to the power converter through an integrated circuit I2C bus.

如上所述的CPU散热装置，所述风扇转速控制器包括微控制单元芯片。According to the above CPU cooling device, the fan speed controller includes a micro control unit chip.

本实用新型实施例提供的CPU散热装置，通过风扇转速控制器根据电源变换器向CPU提供的电能的功率值，对风扇的转速进行控制，使得风扇在风扇转速控制器的控制下，调节风扇的转速，对CPU进行散热，由于CPU的发出的热量是由向CPU提供的电能的功率值所决定的，因此，根据该功率值调节风扇的转速，对CPU进行散热，实现了CPU散热装置实时调节风扇的转速，解决了现有技术中的CPU散热装置不能在CPU发出的热量发生变化时及时调节风扇的转速，导致风扇的转速调节存在滞后性的技术问题。The CPU cooling device provided by the embodiment of the utility model controls the fan speed through the fan speed controller according to the power value of the electric energy provided by the power converter to the CPU, so that the fan can adjust the speed of the fan under the control of the fan speed controller. Speed, to dissipate heat from the CPU. Since the heat emitted by the CPU is determined by the power value of the electric energy provided to the CPU, the fan speed is adjusted according to the power value to dissipate heat from the CPU, realizing real-time adjustment of the CPU cooling device. The speed of the fan solves the technical problem that the CPU cooling device in the prior art cannot adjust the speed of the fan in time when the heat emitted by the CPU changes, resulting in hysteresis in the speed adjustment of the fan.

附图说明Description of drawings

图1A为本实用新型一实施例提供的CPU散热装置的结构示意图；FIG. 1A is a schematic structural diagram of a CPU cooling device provided by an embodiment of the present invention;

图1B为一种CPU散热装置的电路示意图；1B is a schematic circuit diagram of a CPU cooling device;

图2为本实用新型另一实施例提供的CPU散热装置的结构示意图；FIG. 2 is a schematic structural view of a CPU cooling device provided by another embodiment of the present invention;

图3为本实用新型又一实施例提供的CPU散热装置的结构示意图。FIG. 3 is a schematic structural diagram of a CPU cooling device provided by another embodiment of the present invention.

具体实施方式Detailed ways

图1A为本实用新型一实施例提供的CPU散热装置的结构示意图，如图1所示，CPU散热装置包括：风扇转速控制器11和风扇12。FIG. 1A is a schematic structural diagram of a CPU cooling device provided by an embodiment of the present invention. As shown in FIG. 1 , the CPU cooling device includes: a fan speed controller 11 and a fan 12 .

风扇转速控制器11，与为CPU提供电能的电源变换器连接，用于根据所述电源变换器向所述CPU提供的所述电能的功率值，对风扇的转速进行控制。The fan speed controller 11 is connected to the power converter that provides electric energy for the CPU, and is used to control the fan speed according to the power value of the electric energy provided by the power converter to the CPU.

可选的，如图1B为一种CPU散热装置的电路示意图，如图1B所示，风扇转速控制器11通过集成电路（Inter－Integrated Circuit，I2C）总线与为CPU提供电能的电源变换器13连接。风扇转速控制器11为微控制单元芯片。风扇转速控制器11可预先对电源变换器13向CPU提供的电能的功率值进行分析，将功率值的取值范围划分为各个区间，各个区间对应不同的转速。风扇转速控制器11查询电源变换器13向CPU提供的电能的功率值所在的区间，进而查询到该区间对应的转速，按照查询到的转速，对风扇12的转速进行控制。其中，电源变换器13为直流变换器，用于向CPU提供电能。Optionally, FIG. 1B is a schematic circuit diagram of a CPU cooling device. As shown in FIG. 1B, the fan speed controller 11 communicates with the power converter 13 for providing power to the CPU through an integrated circuit (Inter-Integrated Circuit, I2C) bus. connect. The fan speed controller 11 is a micro control unit chip. The fan speed controller 11 can analyze the power value of the electric energy provided by the power converter 13 to the CPU in advance, and divide the value range of the power value into various intervals, and each interval corresponds to a different rotational speed. The fan speed controller 11 inquires the interval of the power value of the electric energy provided by the power converter 13 to the CPU, and then inquires the corresponding rotational speed of the interval, and controls the rotational speed of the fan 12 according to the inquired rotational speed. Wherein, the power converter 13 is a DC converter for providing power to the CPU.

需要说明的是，风扇转速控制器11与电源变换器13之间的连接可为直接或间接连接，本实施例中对此不作限定。It should be noted that the connection between the fan speed controller 11 and the power converter 13 may be direct or indirect, which is not limited in this embodiment.

风扇12，与风扇转速控制器11连接，用于在所述风扇转速控制器11的控制下调节转速，以对所述CPU散热。The fan 12 is connected with the fan speed controller 11 and is used for adjusting the speed under the control of the fan speed controller 11 to dissipate heat from the CPU.

可选的，风扇12根据风扇转速控制器11输出的用于对风扇的转速进行控制的脉宽调制信号，调节风扇的转速，以对所述CPU散热。Optionally, the fan 12 adjusts the fan speed according to the pulse width modulation signal output by the fan speed controller 11 for controlling the fan speed, so as to dissipate heat from the CPU.

本实施例中，通过风扇转速控制器根据电源变换器向CPU提供的电能的功率值，对风扇的转速进行控制，使得风扇在风扇转速控制器的控制下，调节风扇的转速，对CPU进行散热，由于CPU的发出的热量是由向CPU提供的电能的功率值所决定的，因此，根据该功率值调节风扇的转速，对CPU进行散热，实现了CPU散热装置实时调节风扇的转速，解决了现有技术中CPU散热装置不能在CPU发出的热量发生变化时及时调节风扇的转速，导致风扇的转速调节存在滞后性的技术问题。In this embodiment, the fan speed controller is used to control the fan speed according to the power value of the electric energy provided by the power converter to the CPU, so that the fan can adjust the fan speed under the control of the fan speed controller to dissipate heat from the CPU. Since the heat emitted by the CPU is determined by the power value of the electric energy provided to the CPU, the fan speed is adjusted according to the power value to dissipate heat from the CPU, which realizes the real-time adjustment of the fan speed by the CPU cooling device and solves the problem of The CPU cooling device in the prior art cannot timely adjust the speed of the fan when the heat emitted by the CPU changes, resulting in a technical problem of hysteresis in the speed adjustment of the fan.

图2为本实用新型另一实施例提供的CPU散热装置的结构示意图，如图2所示，CPU散热装置包括：风扇转速控制器11和风扇12。其中，风扇12，与风扇转速控制器11连接，用于在所述风扇转速控制器11的控制下，调节转速，以对CPU散热。在上一实施例的基础上，本实施例中的CPU散热装置，还包括：FIG. 2 is a schematic structural diagram of a CPU cooling device provided by another embodiment of the present invention. As shown in FIG. 2 , the CPU cooling device includes: a fan speed controller 11 and a fan 12 . Wherein, the fan 12 is connected with the fan speed controller 11 and used for adjusting the speed under the control of the fan speed controller 11 to dissipate heat from the CPU. On the basis of the previous embodiment, the CPU cooling device in this embodiment also includes:

温度感应器23，与风扇转速控制器11连接，用于测量所述CPU的温度和主板的环境温度。其中，CPU安装在主板上。The temperature sensor 23 is connected with the fan speed controller 11 and is used to measure the temperature of the CPU and the ambient temperature of the motherboard. Wherein, the CPU is installed on the motherboard.

相应地，风扇转速控制器11，具体用于根据所述温度感应器23测量到的所述CPU的温度和所述主板的环境温度，以及根据电源变换器向所述CPU提供的所述电能的功率值，对风扇转速进行控制。Correspondingly, the fan speed controller 11 is specifically used to measure the temperature of the CPU according to the temperature sensor 23 and the ambient temperature of the motherboard, and according to the electric energy provided by the power converter to the CPU. Power value, to control the fan speed.

可选的，当CPU的温度超过第一阈值，或者主板的环境温度超过第二阈值，或者电源变换器向CPU提供的电能的功率值超过第三阈值，则风扇转速控制器11提高风扇转速；当CPU的温度低于第一阈值，并且主板的环境温度低于第二阈值，并且电源变换器向CPU提供的电能的功率值低于第三阈值，则风扇转速控制器11降低风扇转速。通过根据所述温度感应器23测量到的所述CPU的温度和所述主板的环境温度，以及根据电源变换器向所述CPU提供的所述电能的功率值，对风扇的转速进行控制，以使风扇调节转速，从而在保证CPU散热装置及时调节风扇的转速的基础上，进一步提高了风扇的转速调节的准确性。Optionally, when the temperature of the CPU exceeds the first threshold, or the ambient temperature of the motherboard exceeds the second threshold, or the power value of the electric energy provided by the power converter to the CPU exceeds the third threshold, the fan speed controller 11 increases the fan speed; When the temperature of the CPU is lower than the first threshold, the ambient temperature of the motherboard is lower than the second threshold, and the power value of the electric energy provided by the power converter to the CPU is lower than the third threshold, the fan speed controller 11 reduces the fan speed. According to the temperature of the CPU measured by the temperature sensor 23 and the ambient temperature of the motherboard, and according to the power value of the electric energy provided by the power converter to the CPU, the fan speed is controlled to The speed of the fan is adjusted, thereby further improving the accuracy of the speed adjustment of the fan on the basis of ensuring that the CPU cooling device adjusts the speed of the fan in time.

进一步，所述风扇转速控制器11，包括：计算单元211和控制单元212。Further, the fan speed controller 11 includes: a calculation unit 211 and a control unit 212 .

计算单元211，用于根据电源变换器向所述CPU提供的所述电能的电压值和电流值，计算获得电源变换器向所述CPU提供的所述电能的功率值。The calculation unit 211 is configured to calculate and obtain the power value of the electric energy provided by the power converter to the CPU according to the voltage value and current value of the electric energy provided by the power converter to the CPU.

控制单元212，与计算单元211连接，用于当CPU的温度超过第一阈值，或者主板的环境温度超过第二阈值，或者电源变换器向CPU提供的电能的功率值超过第三阈值，则提高风扇的转速；以及当CPU的温度低于第一阈值，并且主板的环境温度低于第二阈值，并且电源变换器向CPU提供的电能的功率值低于第三阈值，则降低风扇的转速。The control unit 212 is connected with the calculation unit 211, and is configured to increase the temperature of the CPU when the temperature of the CPU exceeds the first threshold, or the ambient temperature of the motherboard exceeds the second threshold, or the power value of the electric energy provided by the power converter to the CPU exceeds the third threshold. The speed of the fan; and when the temperature of the CPU is lower than the first threshold, and the ambient temperature of the motherboard is lower than the second threshold, and the power value of the electric energy provided by the power converter to the CPU is lower than the third threshold, then reduce the fan speed.

本实施例中，通过风扇转速控制器根据电源变换器向CPU提供的电能的功率值，对风扇的转速进行控制，使得风扇在风扇转速控制器的控制下，调节风扇的转速，对CPU进行散热，由于CPU的发出的热量是由向CPU提供的电能的功率值所决定的，因此，根据该功率值调节风扇的转速，对CPU进行散热，实现了CPU散热装置实时调节风扇的转速，解决了现有技术中CPU散热装置不能在CPU发出的热量发生变化时及时调节风扇的转速，导致风扇的转速调节存在滞后性的技术问题。In this embodiment, the fan speed controller is used to control the fan speed according to the power value of the electric energy provided by the power converter to the CPU, so that the fan can adjust the fan speed under the control of the fan speed controller to dissipate heat from the CPU. Since the heat emitted by the CPU is determined by the power value of the electric energy provided to the CPU, the fan speed is adjusted according to the power value to dissipate heat from the CPU, which realizes the real-time adjustment of the fan speed by the CPU cooling device and solves the problem of The CPU cooling device in the prior art cannot timely adjust the speed of the fan when the heat emitted by the CPU changes, resulting in a technical problem of hysteresis in the speed adjustment of the fan.

图3为本实用新型又一实施例提供的CPU散热装置的结构示意图，如图3所示，CPU散热装置包括如上一实施例所述的风扇转速控制器11、风扇12和温度感应器23，其中，风扇转速控制器11包括如上一实施例所述的计算单元211和控制单元212，在上一实施例的基础上，温度感应器23进一步包括：第一测量单元331和第二测量单元332。Fig. 3 is a schematic structural diagram of a CPU cooling device provided by another embodiment of the present invention. As shown in Fig. 3, the CPU cooling device includes a fan speed controller 11, a fan 12 and a temperature sensor 23 as described in the previous embodiment. Wherein, the fan speed controller 11 includes the calculation unit 211 and the control unit 212 as described in the previous embodiment. On the basis of the previous embodiment, the temperature sensor 23 further includes: a first measurement unit 331 and a second measurement unit 332 .

第一测量单元331，位于CPU的外表面，用于测量所述CPU的温度。The first measurement unit 331 is located on the outer surface of the CPU and is used to measure the temperature of the CPU.

可选的，第一测量单元331为热敏三极管或热敏二极管。Optionally, the first measurement unit 331 is a thermal transistor or a thermal diode.

第二测量单元332，位于主板的上方，用于测量所述主板的环境温度。The second measurement unit 332 is located above the main board and is used to measure the ambient temperature of the main board.

可选的，第二测量单元332为热敏三极管或热敏二极管。Optionally, the second measurement unit 332 is a thermal transistor or a thermal diode.

本实施例中，通过风扇转速控制器根据电源变换器向CPU提供的电能的功率值，对风扇的转速进行控制，使得风扇在风扇转速控制器的控制下，调节转速，对CPU进行散热，由于CPU的发出的热量是由向CPU提供的电能的功率值所决定的，因此，根据该功率值调节风扇的转速，对CPU进行散热，实现了CPU散热装置实时调节风扇的转速，解决了现有技术中CPU散热装置不能在CPU发出的热量发生变化时及时调节风扇的转速，导致风扇的转速调节存在滞后性的技术问题。In this embodiment, the fan speed controller is used to control the fan speed according to the power value of the electric energy provided by the power converter to the CPU, so that the fan can adjust the speed under the control of the fan speed controller to dissipate heat from the CPU. The heat emitted by the CPU is determined by the power value of the electric energy provided to the CPU. Therefore, the speed of the fan is adjusted according to the power value to dissipate heat from the CPU, and the CPU cooling device can adjust the speed of the fan in real time. In the technology, the CPU cooling device cannot adjust the speed of the fan in time when the heat emitted by the CPU changes, resulting in a technical problem of hysteresis in the speed adjustment of the fan.

最后应说明的是：以上各实施例仅用以说明本实用新型的技术方案，而非对其限制；尽管参照前述各实施例对本实用新型进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本实用新型各实施例技术方案的范围。Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand : It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the various embodiments of the present invention Scope of technical solutions.

Claims (9)

1.一种CPU散热装置，其特征在于，包括：1. A CPU cooling device, characterized in that, comprising: 用于根据电源变换器向CPU提供的电能的功率值，对风扇转速进行控制的风扇转速控制器，所述风扇转速控制器与为所述CPU提供电能的电源变换器连接；A fan speed controller for controlling the fan speed according to the power value of the electric energy provided by the power converter to the CPU, the fan speed controller being connected to the power converter for providing power to the CPU; 用于在所述风扇转速控制器的控制下调节转速，以对所述CPU散热的风扇，所述风扇与所述风扇转速控制器连接。A fan used to adjust the speed under the control of the fan speed controller to dissipate heat from the CPU, and the fan is connected to the fan speed controller. 2.根据权利要求1所述的CPU散热装置，其特征在于，所述电源变换器为直流变换器。2. The CPU cooling device according to claim 1, wherein the power converter is a DC converter. 3.根据权利要求1所述的CPU散热装置，其特征在于，所述CPU散热装置还包括：3. The CPU cooling device according to claim 1, wherein the CPU cooling device further comprises: 用于测量所述CPU的温度和主板的环境温度的温度感应器；所述CPU安装在所述主板上；所述温度感应器与所述风扇转速控制器连接；A temperature sensor for measuring the temperature of the CPU and the ambient temperature of the motherboard; the CPU is installed on the motherboard; the temperature sensor is connected to the fan speed controller; 所述风扇转速控制器，具体用于根据所述温度感应器测量到的所述CPU的温度和所述主板的环境温度，以及根据所述电源变换器向所述CPU提供的所述电能的功率值，对所述风扇的转速进行控制。The fan speed controller is specifically configured to use the temperature of the CPU measured by the temperature sensor and the ambient temperature of the motherboard, and the power of the electric energy provided to the CPU by the power converter value to control the speed of the fan. 4.根据权利要求3所述的CPU散热装置，其特征在于，所述风扇转速控制器，包括：4. The CPU cooling device according to claim 3, wherein the fan speed controller comprises: 用于根据所述电源变换器向所述CPU提供的所述电能的电压值和电流值，计算获得所述电源变换器向所述CPU提供的所述电能的功率值的计算单元；A calculation unit for calculating and obtaining the power value of the electric energy provided by the power converter to the CPU according to the voltage value and current value of the electric energy provided by the power converter to the CPU; 用于当所述CPU的温度超过第一阈值，或者所述主板的环境温度超过第二阈值，或者所述电源变换器向所述CPU提供的所述电能的功率值超过第三阈值，则提高转速；以及当所述CPU的温度低于所述第一阈值，并且所述主板的环境温度低于所述第二阈值，并且所述电源变换器向所述CPU提供的所述电能的功率值低于所述第三阈值，则降低转速的控制单元；所述控制单元与所述计算单元连接。When the temperature of the CPU exceeds a first threshold, or the ambient temperature of the motherboard exceeds a second threshold, or the power value of the electric energy provided by the power converter to the CPU exceeds a third threshold, increase the rotation speed; and when the temperature of the CPU is lower than the first threshold, and the ambient temperature of the motherboard is lower than the second threshold, and the power value of the electric energy provided by the power converter to the CPU Below the third threshold, a control unit that reduces the rotational speed; the control unit is connected to the calculation unit. 5.根据权利要求3所述的CPU散热装置，其特征在于，所述温度感应器，包括：5. The CPU cooling device according to claim 3, wherein the temperature sensor comprises: 用于测量所述CPU的温度的第一测量单元，位于所述CPU的外表面；a first measuring unit for measuring the temperature of the CPU, located on the outer surface of the CPU; 用于测量所述主板的环境温度的第二测量单元，位于所述主板的上方。The second measuring unit for measuring the ambient temperature of the main board is located above the main board. 6.根据权利要求5所述的CPU散热装置，其特征在于，所述第一测量单元为热敏三极管或热敏二极管。6 . The CPU cooling device according to claim 5 , wherein the first measuring unit is a thermal transistor or a thermal diode. 7.根据权利要求5所述的CPU散热装置，其特征在于，所述第二测量单元为热敏三极管或热敏二极管。7. The CPU cooling device according to claim 5, wherein the second measurement unit is a thermal transistor or a thermal diode. 8.根据权利要求1-7任一项所述的CPU散热装置，其特征在于，所述风扇转速控制器通过集成电路I2C总线与所述电源变换器连接。8. The CPU cooling device according to any one of claims 1-7, wherein the fan speed controller is connected to the power converter through an integrated circuit I2C bus. 9.根据权利要求1-7任一项所述的CPU散热装置，其特征在于，所述风扇转速控制器包括微控制单元芯片。9. The CPU cooling device according to any one of claims 1-7, wherein the fan speed controller comprises a micro control unit chip.
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104460911A (en) * 2014-12-22 2015-03-25 浪潮电子信息产业股份有限公司 A heat dissipation control method, device and system
WO2018033075A1 (en) * 2016-08-18 2018-02-22 Huawei Technologies Co., Ltd. Proactive fan speed adjustment
CN110413083A (en) * 2019-07-26 2019-11-05 苏州蜗牛数字科技股份有限公司 A kind of method, system and the mobile terminal of fan intelligent control
CN110873069A (en) * 2018-08-31 2020-03-10 阿里巴巴集团控股有限公司 Method and device for controlling fan parameters
CN111045503A (en) * 2019-12-27 2020-04-21 威创集团股份有限公司 Video splicing wall processor control device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104460911A (en) * 2014-12-22 2015-03-25 浪潮电子信息产业股份有限公司 A heat dissipation control method, device and system
WO2018033075A1 (en) * 2016-08-18 2018-02-22 Huawei Technologies Co., Ltd. Proactive fan speed adjustment
CN110873069A (en) * 2018-08-31 2020-03-10 阿里巴巴集团控股有限公司 Method and device for controlling fan parameters
CN110873069B (en) * 2018-08-31 2021-10-15 阿里巴巴集团控股有限公司 Method and device for controlling fan parameters
CN110413083A (en) * 2019-07-26 2019-11-05 苏州蜗牛数字科技股份有限公司 A kind of method, system and the mobile terminal of fan intelligent control
CN111045503A (en) * 2019-12-27 2020-04-21 威创集团股份有限公司 Video splicing wall processor control device
WO2021129884A1 (en) * 2019-12-27 2021-07-01 威创集团股份有限公司 Video splicing wall processor control device

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