CVT (Continuously Variable Transmission)-based coaxial parallel hybrid power gas heat pump system

A technology of hybrid power and gas heat pump, which is applied to the air conditioning system, the operation mode of the machine, the heating mode, etc., which can solve the problems such as the inability to meet the engine speed, the increase of gas consumption, and the detachment of the engine, so as to improve energy utilization and reduce gas consumption. The effect of consumption and power enhancement

Inactive Publication Date: 2015-07-15
SOUTHEAST UNIV
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Problems solved by technology

At present, the research on the coaxial parallel hybrid gas heat pump is mainly based on the multi-stage transmission ratio drive system, which uses different gears to form several fixed variable transmission ratios, which cannot meet the continuous change between the engine speed and the heat pump load. Matching, only constantly changing gears or changing the speed of the engine, the result is that the engine is out of the optimum working area, the power is reduced, the gas consumption is increased, and the pollution is aggravated

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  • CVT (Continuously Variable Transmission)-based coaxial parallel hybrid power gas heat pump system
  • CVT (Continuously Variable Transmission)-based coaxial parallel hybrid power gas heat pump system

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Embodiment Construction

[0020] The present invention will be further explained below in conjunction with the accompanying drawings.

[0021] like figure 1 The shown CVT-based coaxial parallel hybrid gas heat pump system includes a power transmission system, a main power system, an auxiliary power system, a heat pump system and a waste heat recovery system. Its power transmission system includes a power coupling device 3, a continuously variable transmission CVT4, and first to third clutches C1-C3. The main power system includes a gas engine 1, and the auxiliary power system includes a motor 2, a motor controller 12, and a battery 13. In this embodiment, the battery uses a lithium iron phosphate battery. The heat pump system includes a compressor 5 , a gas-liquid separator 6 , an oil separator 7 , a four-way valve 8 , a throttling device 9 , an evaporator 10 , and a condenser 11 . The waste heat recovery system includes a flue gas heat exchanger 14 , an engine jacket water heat exchanger 15 , a wate...

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Abstract

The invention discloses a CVT (Continuously Variable Transmission)-based coaxial parallel hybrid power gas heat pump system, and relates to a novel air conditioning system for combining a CVT device and a hybrid power gas heat pump system into an organic whole body. The system comprises a CVT device, an engine, a motor, a lithium iron phosphate battery pack, a compressor, an evaporator, a condenser, a waste heat recovery system and the like. The power of the engine and the motor is coupled and then transferred to a drive shaft through a hydraulic torque converter of the CVT, a metal belt type continuously variable transmission mechanism and a main speed reducer to drive the compressor in the heat pump system to operate. The transmission ratio in the drive system is adjusted by controlling hydraulic pressure in driving and driven belt wheel cylinders so as to change working radius on driving and driven belt wheels, and continuously variable transmission can be realized in an equivalent wide range, so that the optimal matching of the transmission system and the working condition of the engine is obtained, and the gas economy of the entire heat pump system is improved.

Description

technical field [0001] The invention relates to a novel hybrid gas heat pump air conditioning system, in particular to a transmission system of a hybrid gas heat pump based on CVT infinitely variable speed, and belongs to the technical field of air conditioner manufacturing. Background technique [0002] Since the beginning of the 21st century, energy and the environment have become strategic issues that countries urgently need to solve. As a clean energy source, natural gas will be a major trend in future energy development. Therefore, it will be particularly important to develop new and efficient air-conditioning equipment driven by natural gas. A gas heat pump is a device that uses natural gas to drive a gas engine and drive a compressor to achieve refrigeration and heating cycles. However, when running at low load, the engine will deviate from the economic zone of operation, resulting in a decrease in thermal efficiency. Hybrid gas heat pump is a new type of air condit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F5/00F25B29/00
CPCF24F3/001F24F5/0096F24F2203/021F25B29/003
Inventor 蔡亮嵇文秀孟庆堃邓卫卫张小松
Owner SOUTHEAST UNIV
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