Single-wire bidirectional control structure of heat dissipation fan

Abstract

The utility model discloses a single line bidirectional control structure of radiating fan, including controller, the controller is provided with one or more FAN ports, and each FAN port is connected with fan module through single signal line, and fan module contains a plurality of radiating fans that connect in proper order, and each radiating fan is provided with first light emitting module and second light emitting module, and the rotating speed of radiating fan and the light change mode of first light emitting module and second light emitting module are controlled through the controller. The utility model simplifies transmission circuit, utilizes single signal line transmission multiple control signals, reduces the complexity of wiring, reduces manufacturing cost, realizes through single line multiple logic application to control the PWM rotating speed adjustment of multiple fan module, can also realize the light change mode of single body synchronous control multiple fan module.

Description

Technical Field

[0001] This utility model relates to the field of fan control technology, specifically a single-line bidirectional control structure for a cooling fan. Background Technology

[0002] Cooling fans are common heat dissipation components in electronic devices. They generate airflow through rotation, helping to remove heat from inside the device and thus lowering its operating temperature. The fan speed directly affects the cooling efficiency. Additionally, to provide users with a rich visual experience, some types of cooling fans also feature LED lighting modules that display set LED lights or characters when powered on. Currently, most cooling fans on the market operate at fixed speeds; they turn on when the electronic device is turned on and off when it is turned off. The LED lights also typically only have two modes: display and off. They usually cannot automatically adjust the speed according to the actual temperature requirements of the electronic device, nor can they flexibly adjust the combination of lighting patterns according to user needs.

[0003] However, with changes in working hours, working environment, and seasons, electronic devices have different requirements for the working status of cooling fans, and users also have higher and higher requirements for the visual experience of colorful lighting; however, existing cooling fans cannot meet the above requirements because they cannot be individually controlled and adjusted, have a low level of intelligence, and also cause serious power loss, which is not conducive to energy conservation and environmental protection. Utility Model Content

[0004] The purpose of this invention is to provide a single-wire bidirectional control structure for a cooling fan. It uses a single signal line to transmit multiple control signals, enabling PWM speed adjustment of multiple fan modules through single-wire multi-logic applications. It can also achieve synchronous control of the LED light changes of multiple fan modules by a single unit, thus solving the problem mentioned in the background art that existing cooling fans cannot achieve individual control and adjustment and have a low level of intelligence.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A single-line bidirectional control structure for a cooling fan includes a controller. The controller has one or more FAN ports. Each FAN port is connected to a fan module via a single signal line. The fan module includes multiple cooling fans connected in sequence. Each cooling fan is equipped with a first light-emitting module and a second light-emitting module. The controller controls the speed of the cooling fan and the lighting mode of the first and second light-emitting modules.

[0007] Preferably, the controller is equipped with an ARGB port and a USB port. The ARGB port is connected to a PC, and the PC is connected to the USB port via a USB cable. The controller receives signals from the PC and converts and transmits them to the cooling fan. The signals from the cooling fan are converted by the controller and transmitted to the PC for display and control, thereby achieving bidirectional transmission.

[0008] Preferably, the controller is provided with a SATA port.

[0009] Preferably, the cooling fan is equipped with an IC voltage regulator chip, a power drive chip, and an MCU control chip. The IC voltage regulator chip, the power drive chip, and the MCU control chip are electrically connected to the controller. The IC voltage regulator chip provides voltage to the MCU control chip, the power drive chip is used to control the operation of the cooling fan, and the MCU control chip receives instructions from the controller to control the operation of the cooling fan.

[0010] Preferably, the cooling fan is equipped with a temperature detection device for detecting the temperature of the equipment, and the temperature detection device provides a temperature signal to the controller.

[0011] Preferably, the temperature detection device is a thermistor.

[0012] Preferably, the first light-emitting module includes a plurality of LEDs arranged in an array around the cooling fan.

[0013] Preferably, the second light-emitting module includes a plurality of LEDs arranged in an array around the inner periphery of the cooling fan.

[0014] Preferably, the cooling fan includes a fan frame, an inner central shaft, and fan blades, with the inner central shaft installed at the center of the fan frame and the fan blades sleeved on the inner central shaft.

[0015] Preferably, the LEDs of the first light-emitting module are arranged in a circular array on the inner central axis end face, and the LEDs of the second light-emitting module are arranged in a circular array on the end face of the fan frame.

[0016] Compared with the prior art, the advantages of this utility model are: it simplifies the transmission line, uses a single signal line to transmit multiple control signals, reduces the complexity of wiring, lowers manufacturing costs, realizes the PWM speed adjustment of multiple fan modules through single-line multi-logic application, and can also realize the lighting change mode of multiple fan modules by single unit synchronous control. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the single-line bidirectional control structure of the cooling fan of this utility model;

[0018] Figure 2 This is a schematic diagram of the controller of this utility model;

[0019] Figure 3 This is a schematic diagram of the cooling fan of this utility model.

[0020] In the diagram: 1. Controller; 11. FAN port; 12. ARGB port; 13. USB port; 14. SATA port; 2. Fan module; 21. Cooling fan; 211. Fan frame; 212. Inner central shaft; 213. Fan blade; 3. IC voltage regulator chip; 4. Power drive chip; 5. MCU control chip; 6. First light-emitting module; 7. Second light-emitting module; 8. Temperature detection device; 9. Signal line. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0022] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "several" or "more than" means two or more, unless otherwise explicitly specified. In this utility model, unless otherwise explicitly specified and limited, the terms "installed," "connected," "joined," "fixed," etc., are not used in this utility model.

[0023] The terms should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances. In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature include the first feature being directly above or diagonally above the second feature, or simply indicating that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature include the first feature being directly above or diagonally above the second feature, or simply indicating that the first feature is at a lower horizontal level than the second feature.

[0024] Please see Figure 1-3 A single-wire bidirectional control structure for a cooling fan includes a controller 1, which has one or more FAN ports 11. Each FAN port 11 is connected to a fan module 2 via a single signal line 9. The fan module 2 includes multiple cooling fans 21 connected in sequence. Each cooling fan 21 is equipped with a first light-emitting module 6 and a second light-emitting module 7. The controller 1 controls the rotational speed of the cooling fan 21 and the lighting patterns of the first light-emitting module 6 and the second light-emitting module 7.

[0025] The single-wire bidirectional control structure of the cooling fan in this utility model simplifies the transmission line. It uses a single signal line 9 to transmit multiple control signals, reducing the complexity of wiring and manufacturing costs. It enables the control of the PWM speed adjustment of multiple fan modules 2 through single-wire multi-logic application, and can also realize the synchronous control of the LED light change mode of multiple fan modules 2 by a single unit.

[0026] Please see Figure 3 The first light-emitting module 6 includes a plurality of LEDs arranged in an array around the outer periphery of the cooling fan 21, and the second light-emitting module 7 includes a plurality of LEDs arranged in an array around the inner periphery of the cooling fan 21. In this embodiment, the LEDs of the first light-emitting module 6 and the second light-emitting module 7 are arranged in a circular array. However, this invention does not limit the distribution of the LEDs in the first light-emitting module 6 and the second light-emitting module 7. The LEDs of the first light-emitting module 6 and the second light-emitting module 7 can also be arranged in a rectangular array or a triangular array.

[0027] The cooling fan 21 includes a fan frame 211, an inner central shaft 212, and fan blades 213. The inner central shaft 212 is mounted at the center of the fan frame 211, and the fan blades 213 are sleeved on the inner central shaft 212. The LEDs of the first light-emitting module 6 are arranged in a circular array on the end face of the inner central shaft 212, and the LEDs of the second light-emitting module 7 are arranged in a circular array on the end face of the fan frame 211.

[0028] In this embodiment, the LEDs of the first light-emitting module 6 and the second light-emitting module 7 have three arrangement methods. The first method is that only the LEDs of the first light-emitting module 6 are arranged in a circular array on the end face of the inner central axis 212. The second method is that only the LEDs of the second light-emitting module 7 are arranged in a circular array on the end face of the fan frame 211. The third method is that the LEDs of the first light-emitting module 6 are arranged in a circular array on the end face of the inner central axis 212, and the LEDs of the second light-emitting module 7 are arranged in a circular array on the end face of the fan frame 211, so as to combine and change more diverse LED light changes.

[0029] Please see Figure 2 In this embodiment, the controller 1 is equipped with an ARGB port 12 and a USB port 13. The ARGB port 12 is connected to a PC (not shown in the figure), which is the user terminal. The PC is connected to the USB port 13 via a USB cable. The controller 1 receives signals from the PC and converts them for transmission to the cooling fan 21. Simultaneously, signals from the cooling fan 21 can also be converted by the controller 1 and transmitted to the PC for display and control, achieving bidirectional transmission. The ARGB port 12 is used to independently control the color and brightness of each LED, enabling complex lighting effects and supporting combinations of multiple colors such as RGB, providing users with a richer and more colorful visual experience. In addition, the controller 1 is also equipped with a SATA port 14.

[0030] Please see Figure 3 The cooling fan 21 is equipped with an IC voltage regulator chip 3, a power drive chip 4, and an MCU control chip 5, all of which are electrically connected to the controller 1. The IC voltage regulator chip 3 provides voltage to the MCU control chip 5, and the power drive chip 4 controls the operation of the cooling fan 21. The MCU control chip 5 receives instructions from the controller 1 to control the operation of the cooling fan 21 and the changes in the LED lights. Simultaneously, it reads the fan speed and temperature signals and sends them to the controller 1. The controller 1 then adjusts the speed of the cooling fan 21 in real time based on its operating status to ensure optimal operation of the PC.

[0031] The cooling fan 21 is equipped with a temperature detection device 8 for detecting the device temperature. The temperature detection device 8 provides a temperature signal to the controller 1, which can then automatically adjust the speed of the cooling fan 21 based on the real-time temperature data of the device. Therefore, the controller 1 automatically or manually optimizes the power distribution mechanism through temperature rise feedback, reducing the energy consumption of the cooling fan 21 while ensuring functionality. In this embodiment, the temperature detection device 8 is a thermistor, which is used to collect the temperature signal.

[0032] The single-line bidirectional control structure of this utility model's cooling fan cleverly combines traditional heat dissipation functions with modern intelligent control, demonstrating good practicality and market potential. It simplifies the circuit structure of controller 1 and enriches the user's visual experience. This single-line multi-logic control method not only improves the product's performance and quality but also brings consumers a brand-new sensory experience and the concept of integrated control of the whole system.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A single-wire bidirectional control structure for a cooling fan, comprising a controller (1), characterized in that: The controller (1) is provided with one or more FAN ports (11). Each FAN port (11) is connected to a fan module (2) via a single signal line (9). The fan module (2) includes multiple cooling fans (21) connected in sequence. Each cooling fan (21) is provided with a first light-emitting module (6) and a second light-emitting module (7). The controller (1) controls the speed of the cooling fan (21) and the light-changing mode of the first light-emitting module (6) and the second light-emitting module (7).

2. The single-line bidirectional control structure for a cooling fan according to claim 1, characterized in that: The controller (1) is equipped with an ARGB port (12) and a USB port (13). The ARGB port (12) is connected to a PC. The PC is connected to the USB port (13) via a USB cable. The controller (1) receives signals from the PC and converts them for transmission to the cooling fan (21). The signals from the cooling fan (21) are converted by the controller (1) and transmitted to the PC for display and control, thereby achieving bidirectional transmission.

3. The single-line bidirectional control structure for a cooling fan according to claim 1 or 2, characterized in that: The controller (1) is equipped with a SATA port (14).

4. The single-line bidirectional control structure for a cooling fan according to claim 1, characterized in that: The cooling fan (21) is equipped with an IC voltage regulator chip (3), a power drive chip (4), and an MCU control chip (5). The IC voltage regulator chip (3), the power drive chip (4), and the MCU control chip (5) are electrically connected to the controller (1). The IC voltage regulator chip (3) provides voltage to the MCU control chip (5). The power drive chip (4) is used to control the operation of the cooling fan (21). The MCU control chip (5) receives instructions from the controller (1) to control the operation of the cooling fan (21).

5. The single-line bidirectional control structure for a cooling fan according to claim 1, characterized in that: The cooling fan (21) is equipped with a temperature detection device (8) for detecting the temperature of the equipment, and the temperature detection device (8) provides a temperature signal to the controller (1).

6. The single-line bidirectional control structure for a cooling fan according to claim 5, characterized in that: The temperature detection device (8) is a thermistor.

7. The single-line bidirectional control structure for a cooling fan according to claim 1, characterized in that: The first light-emitting module (6) includes a plurality of LEDs arranged in an array around the cooling fan (21).

8. The single-line bidirectional control structure for a cooling fan according to claim 7, characterized in that: The second light-emitting module (7) includes a number of LEDs arranged in an array around the inner periphery of the cooling fan (21).

9. The single-line bidirectional control structure for a cooling fan according to claim 8, characterized in that: The cooling fan (21) includes a fan frame (211), an inner central shaft (212), and fan blades (213). The inner central shaft (212) is installed at the center of the fan frame (211), and the fan blades (213) are sleeved on the inner central shaft (212).

10. The single-wire bidirectional control structure for a cooling fan according to claim 9, characterized in that: The LEDs of the first light-emitting module (6) are arranged in a circular array on the end face of the inner central axis (212), and the LEDs of the second light-emitting module (7) are arranged in a circular array on the end face of the fan frame (211).

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