Fan controller

Abstract

The utility model discloses a fan controller which comprises an MCU (Microprogrammed Control Unit), a filtering and amplifying module, a DC-DC (Direct Current-Direct Current) module and a temperature sensor, the filtering and amplifying module and the DC-DC module are connected to the MCU unit, the MCU unit is further connected to a fan to be controlled, the filtering and amplifying module is connected to the temperature sensor, and the DC-DC module is connected to the power supply; the fan controller further comprises a shell. The MCU unit, the filtering and amplifying module and the DC-DC module are arranged in the shell; the shell is provided with a temperature detection interface, a fan interface, an RS485 interface and a power supply interface, the temperature detection interface is connected to the filter amplification module, the fan interface and the RS485 interface are connected to the MCU, the power supply interface is connected to the DC-DC module, the temperature sensor is connected to the temperature detection interface, the fan is connected to the fan interface, and the power supply is connected to the power supply interface. The fan controller disclosed by the utility model supports 485 serial port communication, and the MCU unit can analyze an external instruction through a protocol and send out information acquired by the MCU unit through a serial port protocol.

Description

Technical Field

[0001] The utility model relates to a fan controller. Background Art

[0002] A fan is a mechanical device that uses input mechanical energy to increase gas pressure and discharge the gas. It is widely used in various applications. A fan controller controls the fan speed to varying levels based on the fan's operating conditions. However, existing fan controllers have weak communication capabilities, hindering their ability to execute external commands and collect and transmit data. Utility Model Content

[0003] The utility model provides a fan controller to solve the above-mentioned technical problems, specifically adopting the following technical solutions:

[0004] A fan controller, comprising: an MCU unit, a filter amplifier module, a DC-DC module and a temperature sensor;

[0005] The filtering and amplifying module and the DC-DC module are connected to the MCU unit, the MCU unit is further connected to the fan to be controlled, the filtering and amplifying module is connected to the temperature sensor, and the DC-DC module is connected to a power supply;

[0006] The fan controller further comprises a housing;

[0007] The MCU unit, the filtering and amplifying module, and the DC-DC module are arranged in the housing;

[0008] The casing is provided with a temperature detection interface, a fan interface, an RS485 interface and a power supply interface. The temperature detection interface is connected to the filter amplification module, the fan interface and the RS485 interface are connected to the MCU unit, the power supply interface is connected to the DC-DC module, the temperature sensor is connected to the temperature detection interface, the fan is connected to the fan interface, and the power supply is connected to the power supply interface.

[0009] Furthermore, the fan controller further comprises a chip burning interface;

[0010] The chip burning interface is arranged on the housing;

[0011] The chip programming interface is connected to the MCU unit.

[0012] Furthermore, the temperature sensor is an NTC thermistor.

[0013] Furthermore, the fan controller further includes a fan indicator light;

[0014] The fan indicator light is arranged on the housing;

[0015] The fan indicator light is connected to the MCU unit.

[0016] Furthermore, the fan controller further includes a speed indicator light;

[0017] The speed indicator light is arranged on the housing;

[0018] The speed indicator light is connected to the MCU unit.

[0019] Furthermore, the fan controller includes a plurality of the fan interfaces and a plurality of the temperature detection interfaces.

[0020] Furthermore, the fan controller further comprises a plurality of fan indicator lights;

[0021] A plurality of fan indicator lights are arranged on the housing;

[0022] A plurality of fan indicator lights are connected to the MCU unit.

[0023] Furthermore, the fan controller further comprises a plurality of speed indicator lights;

[0024] A plurality of speed indicator lights are arranged on the housing;

[0025] A plurality of the speed indicator lights are connected to the MCU unit.

[0026] Furthermore, the fan controller further comprises a power indicator light;

[0027] The power indicator light is arranged on the housing;

[0028] The power indicator light is connected to the MCU unit.

[0029] The utility model is beneficial in that the provided fan controller supports 485 serial port communication, the MCU unit can parse external instructions through the protocol, and send the information collected by the MCU unit through the serial port protocol. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0031] Figure 1 This is a schematic diagram of a fan controller of the present invention. DETAILED DESCRIPTION

[0032] The following describes in detail embodiments of the present invention. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0033] In the description of this utility model, unless otherwise specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0034] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0035] like Figure 1 The figure shows a fan controller of the present application, which includes: an MCU unit, a filter amplifier module, a DC-DC module and a temperature sensor.

[0036] The filter amplifier module and the DC-DC module are connected to the MCU unit, which is also connected to the fan to be controlled, the filter amplifier module is connected to the temperature sensor, and the DC-DC module is connected to the power supply. In an embodiment of the present application, the temperature sensor is an NTC thermistor.

[0037] The fan controller also includes a housing. The MCU unit, filter amplifier module, and DC-DC module are housed within the housing. The housing includes a temperature detection interface, a fan interface, an RS485 interface, and a power supply interface. The temperature detection interface is connected to the filter amplifier module, the fan interface and RS485 interface are connected to the MCU unit, the power supply interface is connected to the DC-DC module, the temperature sensor is connected to the temperature detection interface, the fan is connected to the fan interface, and the power supply is connected to the power supply interface.

[0038] This application uses an ARM core microcontroller as the main control chip. The MCU unit supports RS485 serial port communication and controls the PWM output duty cycle through the serial port protocol, thereby realizing the speed control of the fan. The MCU unit monitors the fan status and temperature changes and controls the PWM output. The external power supply is stepped down by the DC-DC module to supply power to the MCU unit. The filter amplifier module processes the external signal from the temperature sensor. The RS485 interface is used to connect to the external control device. The MCU unit can parse the external instructions through the protocol and send the information collected by the MCU unit through the serial port protocol.

[0039] In an embodiment of the present application, the wind turbine controller further includes a chip programming interface. The chip programming interface is disposed on the housing. The chip programming interface is connected to the MCU unit. A chip programming device is connected to the MCU unit via the chip programming interface and programs the MCU unit.

[0040] In an embodiment of the present application, the fan controller further includes a power indicator light. The power indicator light is disposed on the housing. The power indicator light is connected to the MCU unit. The power indicator light is used to indicate the connection status of the external power supply and whether the fan controller has power.

[0041] In an embodiment of the present application, the fan controller further includes a fan indicator light. The fan indicator light is disposed on the housing. The fan indicator light is connected to the MCU unit. The fan controller further includes a speed indicator light. The speed indicator light is disposed on the housing. The speed indicator light is connected to the MCU unit.

[0042] It is understood that the fan indicator light is used to indicate the fan connection status, and the speed indicator light is used to indicate the current speed level of the fan controlled by the fan controller. It is understood that the speed indicator light may include multiple LED lights arranged side by side, and the speed level is indicated by the number of LED lights illuminated in this group. In this application, the speed indicator light includes five LED lights arranged side by side. One LED light indicates a 20% speed level. Five LED lights indicate a 100% speed level.

[0043] In another optional embodiment of the present application, the fan controller includes multiple fan interfaces and multiple temperature detection interfaces. Each fan interface is connected to a corresponding different fan. Each temperature detection interface is connected to a different temperature sensor. In this way, a single fan controller can control multiple different fans.

[0044] Similarly, when the fan controller includes multiple fan interfaces and multiple temperature detection interfaces, the fan controller also includes multiple fan indicator lights. The multiple fan indicator lights are disposed on the housing. The multiple fan indicator lights are connected to the MCU unit. The fan controller also includes multiple speed indicator lights. The multiple speed indicator lights are disposed on the housing. The multiple speed indicator lights are connected to the MCU unit.

[0045] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the above embodiments do not limit the present invention in any form, and any technical solution obtained by equivalent replacement or equivalent transformation falls within the scope of protection of the present invention.

Claims

1. A fan controller, characterized in that: Contains: MCU unit, filter amplifier module, DC-DC module and temperature sensor; The filtering and amplifying module and the DC-DC module are connected to the MCU unit, the MCU unit is further connected to the fan to be controlled, the filtering and amplifying module is connected to the temperature sensor, and the DC-DC module is connected to a power supply; The fan controller further comprises a housing; The MCU unit, the filtering and amplifying module, and the DC-DC module are arranged in the housing; The casing is provided with a temperature detection interface, a fan interface, an RS485 interface and a power supply interface. The temperature detection interface is connected to the filter amplification module, the fan interface and the RS485 interface are connected to the MCU unit, the power supply interface is connected to the DC-DC module, the temperature sensor is connected to the temperature detection interface, the fan is connected to the fan interface, and the power supply is connected to the power supply interface.

2. The fan controller according to claim 1, characterized in that: The fan controller also includes a chip programming interface; The chip burning interface is arranged on the housing; The chip programming interface is connected to the MCU unit.

3. The fan controller according to claim 1, characterized in that: The temperature sensor is an NTC thermistor.

4. The fan controller according to claim 1, characterized in that: The fan controller also includes a fan indicator light; The fan indicator light is arranged on the housing; The fan indicator light is connected to the MCU unit.

5. The fan controller according to claim 4, characterized in that: The fan controller also includes a speed indicator light; The speed indicator light is arranged on the housing; The speed indicator light is connected to the MCU unit.

6. The fan controller according to claim 1, characterized in that: The fan controller includes a plurality of the fan interfaces and a plurality of the temperature detection interfaces.

7. The fan controller according to claim 6, characterized in that: The fan controller also includes a plurality of fan indicator lights; A plurality of fan indicator lights are arranged on the housing; A plurality of fan indicator lights are connected to the MCU unit.

8. The fan controller according to claim 7, characterized in that: The fan controller also includes a plurality of speed indicator lights; A plurality of speed indicator lights are arranged on the housing; A plurality of the speed indicator lights are connected to the MCU unit.

9. The fan controller according to claim 1, characterized in that: The fan controller also includes a power indicator light; The power indicator light is arranged on the housing; The power indicator light is connected to the MCU unit.

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