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Vehicle air conditioner and its low power consumption standby method and circuit

A technology of standby circuit and air conditioner, which is applied in vehicle parts, transportation and packaging, and road transportation emission reduction. It can solve the problems of battery power consumption, high standby power consumption of booster, etc., and reduce driving times and driving power. power consumption, reducing the number of times the switch is turned on and off

Active Publication Date: 2021-03-19
GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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  • Description
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AI Technical Summary

Problems solved by technology

[0003] At present, in order for the indoor unit of the car air conditioner to be in the standby mode normally, the booster must work normally for a long time. The price paid for the long-term normal operation of the booster is high standby power consumption. After the vehicle is parked for a long time, the battery power is exhausted.

Method used

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  • Vehicle air conditioner and its low power consumption standby method and circuit
  • Vehicle air conditioner and its low power consumption standby method and circuit
  • Vehicle air conditioner and its low power consumption standby method and circuit

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Embodiment Construction

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

[0036] The invention provides a vehicle air conditioner. refer to figure 1 The vehicle air conditioner includes an indoor unit, an indoor unit standby circuit 100 for controlling the indoor unit standby, and a power supply circuit 200 for providing a first working voltage to the indoor unit standby circuit 100, and the power supply circuit 200 includes a A boost circuit 210 for boosting and regulating the input power with a preset switching frequency. The boost circuit 210 may be a PFC boost circuit 210 with PWM pulse width modulation or a transformer boost circuit 210 . In the industry, in order for the indoor unit of the vehicle air conditioner to be in the standby mode normally, the booster circuit 210 must work normally for a long time, and the booster circuit 210 is driv...

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Abstract

The invention discloses a vehicle-mounted air conditioner as well as a low power consumption standby method and circuit thereof. The vehicle-mounted air conditioner comprises an indoor unit standby circuit and a power supply circuit used for providing standby voltage to the indoor unit standby circuit to control the standby of an indoor unit, wherein the power supply circuit comprises a boosting circuit used for performing boosting adjustment on an input power supply at a preset switching frequency. The low power consumption standby method of the vehicle-mounted air conditioner comprises the following steps that a standby mode of the vehicle-mounted air conditioner is monitored; and when the vehicle-mounted air conditioner enters the standby mode, the boosting circuit is controlled to stopworking after working for first preset time according to the preset switching frequency, and restart to work after intermittently resting for second preset time. According to the vehicle-mounted airconditioner as well as the low power consumption standby method and circuit thereof, the standby power consumption of the vehicle-mounted air conditioner is reduced.

Description

technical field [0001] The invention relates to the technical field of vehicle-mounted air conditioners, in particular to a low-power standby method for a vehicle-mounted air conditioner, a low-power standby circuit for a vehicle-mounted air conditioner, and a vehicle-mounted air conditioner. Background technique [0002] Car air conditioners, also known as parking air conditioners, are generally used in large transport vehicles. Large transport vehicles often need to park and wait on the side of the road. Due to the short waiting time, the car air conditioner is generally not turned off. At this time, in order to save energy, the car owner will control the indoor unit. Enter standby mode. [0003] At present, in order for the indoor unit of the car air conditioner to be in standby mode normally, the booster must work normally for a long time. The price paid for the long-term normal operation of the booster is high standby power consumption. After the vehicle is parked for a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60H1/00
CPCB60H1/00428B60H1/00642Y02T10/88
Inventor 霍兆镜
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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