Vehicle air conditioner power supply circuit, vehicle electronic control device and vehicle air conditioner
A technology for power circuits and air conditioners, applied to circuits or fluid pipelines, vehicle components, transportation and packaging, etc., can solve problems such as circuit damage and power consumption increase
Active Publication Date: 2021-04-27
GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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- Description
- Claims
- Application Information
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Problems solved by technology
[0002] At present, the power supply circuit of the car air conditioner is relatively simple, that is, only a simple EMC filter circuit is used, and the power supply continues to output during standby, resulting in increased power consumption, and when the power supply is reversed, the circuit is prone to damage.
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[0027] 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 part of the embodiments of the present invention, not all of them.
[0028] It should be noted that the descriptions involving "first", "second" and so on in the present invention are only for the purpose of description, and should not be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features.
[0029] The present invention proposes a power supply circuit 100 for a vehicle air conditioner.
[0030] like Figure 1 to Figure 3 as shown, figure 1 It is a module schematic diagram of an embodiment of the power supply circuit ...
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The invention discloses a vehicle air conditioner power circuit, a vehicle electric control device and a vehicle air conditioner, wherein the vehicle air conditioner power circuit includes a power input terminal, a ground terminal, a control circuit, an anti-reverse connection circuit and a switch circuit. When connected, the anti-reverse connection circuit is closed. When the input power is positively connected, the anti-reverse connection circuit is turned on, so as to achieve the purpose of protecting the air conditioner. At the same time, when the input power is correctly input, the control circuit is powered, and the control circuit receives When the power-on control signal is output, the switch control signal is output to control the conduction of the switch circuit, and the electric control system of the air conditioner is powered on, thereby reducing the standby power consumption of the electric control system of the air conditioner and improving the reliability of the power supply circuit of the vehicle air conditioner.
Description
technical field [0001] The invention relates to the technical field of vehicle-mounted air conditioners, in particular to a vehicle-mounted air conditioner power circuit, a vehicle-mounted electric control device and a vehicle-mounted air conditioner. Background technique [0002] At present, the power supply circuits of vehicle air conditioners are relatively simple, that is, only simple EMC filter circuits are used, and the power supply continues to output during standby, resulting in increased power consumption, and circuit damage is prone to occur when the power supply is reversed. Contents of the invention [0003] The main purpose of the present invention is to provide a power supply circuit of a vehicle air conditioner, aiming at improving the reliability of the power supply circuit of the vehicle air conditioner. [0004] In order to achieve the above object, the vehicle air conditioner power circuit proposed by the present invention includes a power input terminal...
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IPC IPC(8): B60H1/00B60R16/02
CPCB60H1/00428B60H1/00642B60R16/02Y02T10/88
Inventor 霍兆镜
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD