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Air conditioner fan control circuit

A technology for controlling circuits and air-conditioning fans, applied in the electronic field, can solve problems such as expensive electric fans, and achieve the effect of lower prices, low costs, and high cost performance

Inactive Publication Date: 2021-04-02
昆明理工大学津桥学院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, air-conditioning fans are very economical and much cheaper than air-conditioning, so they are very popular in households, but generally speaking, they are much more expensive than electric fans. Whether an air-conditioning fan with the same price as electric fans can be launched is a difficult problem for R&D personnel.

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Embodiment Construction

[0013] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0014] Such as figure 1 As shown, resistor R1 (1), thermistor RT1 (2), resistor R2 (3), NPN transistor Q1 (3), resistor R3 (5), N-channel MOSFET Q3 (6), heating wire OV1 (7 ), PNP transistor Q2 (8), resistor R4 (9), N-channel MOSFET Q4 (10), motor M1 (11), capacitor C1 (12), resistor R5 (13), motor M2 (14), capacitor C2 (15). When the temperature of the invention is low, the resistance of the thermistor RT1 (2) increases, the NPN transistor Q1 (3) is turned on, t...

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Abstract

The invention provides an air conditioner fan control circuit. The air conditioner fan control circuit comprises a resistor R1 (1), a thermistor RT 1 (2), a resistor R2 (3), an NPN triode Q1 (3), a resistor R3 (5), an N-channel MOSFET Q3 (6), an electric heating wire OV 1 (7), a PNP triode Q2 (8), a resistor R4 (9), an N-channel MOSFET Q4 (10), a motor M1 (11), a capacitor C1 (12), a resistor R5 (13), a motor M2 (14) and a capacitor C2 (15). According to the air conditioner fan control circuit, when the temperature is low, the resistance of the thermistor RT 1 (2) increases, the NPN triode Q1(3) is turned on, the N-channel MOSFET Q3 (6) is turned on, the electric heating wire OV 1 (7) works, and the motor M2 (14) drives a fan to blow hot air outwards; and when the temperature is high, theresistance of the thermistor RT 1 (2) is reduced, the NPN triode Q2 (8) is turned on, the N-channel MOSFET Q4 (10) is turned on, the motor M1 (11) drives the fan to rotate to blow an ice tray into amachine at a low temperature, and then the motor M2 (14) drives the fan to blow cold air outwards. The heating and cooling effects are good.

Description

technical field [0001] The invention relates to an air-conditioning fan control circuit and belongs to the field of electronic technology. Background technique [0002] At present, air-conditioning fans are very popular in households because they are economical and much cheaper than air-conditioning. However, generally speaking, they are much more expensive than electric fans. Whether or not an air-conditioning fan with the same price as electric fans can be launched is a difficult problem for R&D personnel. Contents of the invention [0003] In order to solve the above problems, the present invention provides an air-conditioning fan control circuit. The circuit design is very simple, and the air-conditioning fan control circuit is realized with few components, extremely small volume, and extremely low cost. After using this circuit, the price of the air-conditioning fan will drop significantly. The cost of the control panel is more than 50%. [0004] In order to achieve...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/88F24F5/00
CPCF24F5/0007F24F11/88
Inventor 熊浩胡鹏张洋温长康
Owner 昆明理工大学津桥学院