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Dual-mode parking air conditioning system

An air-conditioning system and parking technology, applied to vehicle components, air handling equipment, piston pumps, etc., can solve problems such as air-conditioning system failure, sticking, lubrication requirements, etc.

Active Publication Date: 2022-05-31
DONGFENG BEHR THERMAL SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Over time, the amount of refrigerated oil remaining in the mechanical compressor cannot meet the lubrication needs of its own moving parts, and then wear, high temperature, stagnation, compressor lockup and other phenomena will occur, and eventually the air conditioning system will fail
[0004] During the user's use, due to the long continuous running time of the mechanical compressor, the probability of failure is very high

Method used

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  • Dual-mode parking air conditioning system
  • Dual-mode parking air conditioning system
  • Dual-mode parking air conditioning system

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Embodiment Construction

[0019] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0020] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inside", " The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a ...

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Abstract

The invention discloses a dual-mode parking air-conditioning system. The dual-mode parking air-conditioning system includes a mechanical compressor, an electric compressor and an evaporator. The mechanical compressor is driven by an engine, and the electric compressor is driven by a power supply; There is a low-pressure transition port of the electric compressor on the cylinder block, the low-pressure transition port of the electric compressor is connected to the mechanical compressor suction port of the mechanical compressor through a low-pressure pipeline, and the outlet of the evaporator is connected to the The electric compressor suction port of the electric compressor. In the dual-mode parking air-conditioning system of the present invention, when the mechanical compressor is running, the refrigerated oil will return to the mechanical compressor through the cavity of the electric compressor, and at the same time, the electric compressor can retain a certain amount of refrigerated oil; switch to the electric compressor During operation, the amount of oil stored inside itself can also meet the lubrication requirements for a certain period of time, so it can achieve the purpose of reasonable distribution of refrigeration oil in the dual-mode parking air-conditioning system, so that the entire air-conditioning system can operate normally.

Description

technical field [0001] The invention relates to the technical field of vehicle air conditioners, in particular to a dual-mode parking air conditioner system. Background technique [0002] Two compressors are used in the dual-mode parking air conditioning system. The mechanical compressor is used for the driving air conditioning system, and the electric compressor is used for the parking air conditioning system. The condenser, expansion valve and evaporator are used in the driving air conditioning system and the parking air conditioning system. shared by China. [0003] In the existing dual-mode parking air conditioning system, the mechanical compressor and the electric compressor are connected in parallel, and the condenser, expansion valve and evaporator are shared to achieve the cooling demand of the cab. In daily use, the mechanical compressor and the electric compressor in the existing dual-mode parking air conditioning system are used alternately, and the opening time ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60H1/32F04B39/02F04B37/12F04B35/00F04B35/04F04B41/06F04B39/10F04B39/12
CPCB60H1/3222F04B39/0207F04B39/0284F04B37/12F04B35/002F04B35/04F04B41/06F04B39/10F04B39/123Y02T10/88
Inventor 吴晨涛刘俊张凤龙蔡焰兵
Owner DONGFENG BEHR THERMAL SYST
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