A radiant air-conditioning system for electric buses with phase-change energy storage

Abstract

The invention discloses a phase change energy storage electric bus radiation air conditioning system which comprises a phase change energy storage tank, a circulating pump, a water segregator, temperature control valves, a capillary network heat exchanger and a water collector. The circulating pump is connected to the left side of the phase change energy storage tank, and the water collector is connected to the right side of the phase change energy storage tank. In the heating period in winter, the phase change energy storage tank is filled with thermal fluid with a phase change capsule function, filling and recovering of the thermal fluid with the phase change capsule function are conducted in a bus junction station, and the stored heat of the thermal fluid with the phase change capsule function comes from a district heat supply network; and in the refrigerating period in summer, the phase change energy storage tank is filled with dynamic ice slurry, filling and recovering of the dynamic ice slurry are conducted in the bus junction station, and the dynamic ice slurry is obtained through a refrigerating system running at night. The position of an inlet of the water segregator is connected with the circulating pump, an outlet of each branch of the water segregator is connected with an inlet of the corresponding temperature control valve, an outlet of each temperature control valve is connected with an inlet of the capillary network heat exchanger, and an outlet of the capillary network heat exchanger is connected with an inlet of the water collector.

Description

Technical field: [0001] The invention belongs to the field of air conditioning, and relates to an electric bus air conditioning system, in particular to a phase change energy storage electric bus radiation air conditioning system. Background technique: [0002] With the rapid development of social economy, the acceleration of urban process and the improvement of people's living quality, the urban public transportation system is becoming more and more developed, and people's requirements for the comfort of public transportation are getting higher and higher. Buses have become the main means of public transportation in most cities without subways. Even in cities with subways, there are still a large number of bus lines due to the limitations of the subway network. Traditional buses are powered by prime movers that burn fossil fuels, such as gasoline engines and diesel engines. In the face of increasingly severe resource and environmental pressures, the country vigorously advo...

AI Technical Summary

Problems solved by technology

First, during the low temperature period in winter, the electrochemical reaction of the electric bus battery is not active enough, the battery impedance becomes larger, charging and discharging becomes very difficult, and the charging and discharging power decreases. Increased power consumption will also cause a decrease in the output power of electric buses

Second, during the high temperature period in summer, electric buses need to run the refrigeration system, which will also greatly increase power consumption, shorten the cruising range, and reduce the power output of the car

Although this invention effectively solves the problem in the prior art that the operation of the air-conditioning system of electric vehicles will reduce its driving performance, it can only solve the heating problem of electric vehicles in winter through the uneconomical, energy-saving and environmentally-friendly method of burning fossil fuels. During the high temperature period in summer, it still needs to consume a lot of battery energy for cooling

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