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Control method of hybrid electric automobile air conditioner

A technology for hybrid electric vehicles and air-conditioning controllers, which is applied to vehicle components, air handling equipment, heating/cooling equipment, etc. It can solve the problems of compressors not being able to start and stop, complexity, and high cost, so as to achieve good logic coordination and improve vehicle performance. Performance, logical and reliable effects

Inactive Publication Date: 2014-04-23
BONAIRE AUTOMOTIVE ELECTRICAL SYST
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AI Technical Summary

Problems solved by technology

[0002] At present, the control strategies between the engine and the compressor of hybrid electric vehicles are many and complicated, and the cost is high, so ordinary air-conditioning controllers are not suitable for the application of hybrid electric vehicles. They generally have the following problems: 1. The compressor cannot The stop and start of the engine correspond to the start and stop; 2. When the compressor must be turned on, the whole vehicle cannot be required not to cut off the compressor circuit

Method used

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  • Control method of hybrid electric automobile air conditioner
  • Control method of hybrid electric automobile air conditioner
  • Control method of hybrid electric automobile air conditioner

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Embodiment Construction

[0041] see figure 1 , the hybrid vehicle air conditioner controller is composed of MCU, power signal input filter protection circuit, external command signal input mechanism, and external monitoring equipment. The MCU preferably has a chip ATMEL MEGA16L, and has an AD converter to implement synchronous reading of analog signals. The power signal input filter protection circuit is composed of a protection diode and a filter capacitor, which has a reverse polarity protection function and anti-electromagnetic interference capability. The MCU outputs control signals to the blower, damper actuator, HCU, compressor, and defrosting control circuit. Among them, the output part of the fresh air / circulating wind motor is controlled by the smart chip 4207, which can not only realize the forward and reverse control of the damper motor, but also has the function of stall protection, which can effectively prevent the micro motor of the damper from being burned after stalling, and improve the...

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Abstract

The invention discloses a control method of a hybrid electric automobile air conditioner. The controller comprises a microprogrammed control unit (MCU), a power supply signal inputting filtering protection circuit, an external command signal inputting mechanism used for inputting a control signal to the MCU and an external monitoring device used for inputting a monitoring signal to the MCU. The MCU outputs the control signal to a fan, an air damper, a hydraulic control unit (HCU), a compressor and a defrosting control circuit. By means of the controller and the control method, logic matching between the compressor and an engine is good, the controller is simple in structure, the control method is reliable in logic, and the whole automobile performance can be effectively improved.

Description

technical field [0001] The invention relates to the field of automobile air conditioners, in particular to a control method for a hybrid electric automobile air conditioner controller. Background technique [0002] At present, the control strategies between the engine and the compressor of hybrid electric vehicles are many and complicated, and the cost is high, so ordinary air-conditioning controllers are not suitable for the application of hybrid electric vehicles. They generally have the following problems: 1. The compressor cannot The stop and start of the engine corresponds to start and stop; 2. When the compressor must be turned on, the whole vehicle cannot be required not to cut off the compressor circuit. Contents of the invention [0003] The technical problem to be solved by the present invention is to realize an air-conditioning controller control method that enables a hybrid vehicle to automatically judge whether to turn off the engine to turn off the air-condit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60R16/023B60H1/00
Inventor 彭昊
Owner BONAIRE AUTOMOTIVE ELECTRICAL SYST
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