Power-adjustable vehicle air conditioner refrigeration and heating selecting circuit

An automotive air-conditioning, refrigeration and heating technology, applied to vehicle components, air handling equipment, heating/cooling equipment, etc., can solve problems such as waste of technical solutions, increased energy loss, and increased vehicle power consumption

Pending Publication Date: 2019-12-10
重庆美瑞特空调工程研究院有限公司
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In the prior art, in order to achieve a better experience effect, when the air conditioner is cooling, a large amount of cold air generated by the compressor is mixed with a small amount of hot air generated by the heating resistance wire at the air outlet. When the air conditioner is heating, the heating resistance wire generates A small amount of hot air is mixed with the cold air generated by the compressor at the air outlet, so that the wind blown by the car air conditioner can make people feel more comfortable and increase the experience effect; but no matter when t

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  • Power-adjustable vehicle air conditioner refrigeration and heating selecting circuit
  • Power-adjustable vehicle air conditioner refrigeration and heating selecting circuit

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Embodiment Construction

[0033] The specific implementation manner and working principle of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0034] combine figure 1 It can be seen that the key technology of a power-adjustable automotive air-conditioning refrigeration and heating selection circuit is that it includes a knob voltage acquisition circuit, an air-conditioning mode selection circuit, a tuyere deflection motor drive circuit, a heating resistance wire drive circuit, and a compressor drive circuit. The voltage acquisition output end of the knob voltage acquisition circuit is connected to the air-conditioning mode selection circuit, the cooling mode drive switch of the air-conditioning mode selection circuit is set in the compressor drive circuit, and the heating mode of the air-conditioning mode selection circuit The drive switch is set in the heating resistance wire drive circuit, the cooling mode deflection switch of the air con...

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Abstract

The invention discloses a power-adjustable vehicle air conditioner refrigeration and heating selecting circuit; through combined control of an air conditioner mode selecting circuit and a zero-point deviation eliminating circuit, a vehicle air conditioner carries out a refrigeration or heating mode; on the one hand, a motor of an air port deflection motor driving circuit is controlled to deflect to conduct a corresponding air port; and on the other hand, a heating resistance wire driving circuit or a compressor driving circuit is controlled to start to convey hot air or cold air into a vehicle. The vehicle air conditioner is operated in the refrigeration or heating mode, so that the vehicle power consumption is reduced, both energy conservation and emission reduction are achieved, and theendurance time can be prolonged under extreme conditions; through the position change of a knob, the vehicle air conditioner outputs multistage refrigeration or multistage heating; and the mixing problem during selection of the two modes is solved through combination with the actual use process, so that the compressor or heating resistance wire damage caused by frequent compressor or heating resistance wire startup is prevented.

Description

technical field [0001] The invention relates to the technical field of automobile air conditioners, in particular to a power-adjustable cooling and heating selection circuit for automobile air conditioners. Background technique [0002] In the prior art, in order to achieve a better experience effect, when the air conditioner is cooling, a large amount of cold air generated by the compressor is mixed with a small amount of hot air generated by the heating resistance wire at the air outlet. When the air conditioner is heating, the heating resistance wire generates A small amount of hot air is mixed with the cold air generated by the compressor at the air outlet, so that the wind blown by the car air conditioner can make people feel more comfortable and increase the experience effect; but no matter when the car air conditioner is cooling or heating, the compressor and the heating resistance wire It is in a working state, which increases the power consumption of the vehicle and...

Claims

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Application Information

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IPC IPC(8): B60H1/00B60H1/34
CPCB60H1/00B60H1/34B60H2001/3478
Inventor 李杰李勇丁卫东曹骏
Owner 重庆美瑞特空调工程研究院有限公司
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