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Environmental test chamber auto-cascade refrigeration system

An environmental test chamber and refrigeration system technology, which is applied in the field of self-cascading refrigeration systems in environmental test chambers, can solve problems such as low refrigeration efficiency, high exhaust temperature, and complex systems, and achieve simple structure, lower exhaust temperature, and simplified system Effect

Pending Publication Date: 2019-09-20
上海沛芾航天科技发展有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problem of the traditional cascade refrigeration system is: when it operates under high temperature conditions, there is a problem of high exhaust temperature, and when it operates under low temperature conditions, there is a problem of low refrigeration efficiency. In addition, the current Some cascade refrigeration systems also have the problems of complex system and difficult maintenance

Method used

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  • Environmental test chamber auto-cascade refrigeration system

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Embodiment Construction

[0021] In order to illustrate the technical solutions of the present invention more clearly, further description will be given below in conjunction with various embodiments.

[0022] Such as figure 1 Shown is embodiment 1, and its technical scheme is as follows:

[0023] A self-cascading refrigeration system for an environmental test chamber, which includes: a compressor 1, an oil separator 2, a condenser 3, a first dry filter 4, a first heat exchanger 5, a gas-liquid separator 6, a first section A flow device 7, a second dry filter 8, a second heat exchanger 9, a third dry filter 10, a second throttling device 11 and an evaporator 12; the first heat exchanger 5 is provided with an inlet A, An outlet B, an inlet C and an outlet D; the inlet A is connected to the outlet B, and the inlet C is connected to the outlet D; the second heat exchanger 9 is provided with an inlet E, an outlet F, an inlet H, and an outlet G; The gas-liquid separator 6 is provided with an inlet J, an ou...

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Abstract

The invention discloses an environmental test chamber auto-cascade refrigeration system. The environmental test chamber auto-cascade refrigeration system comprises a compressor, an oil separator, a condenser, a drying filter, a first heat exchanger, a gas-liquid separator, a throttling device, a drying filter, a second heat exchanger, a drying filter, a throttling device and an evaporator. The first heat exchanger is provided with an inlet A, an outlet B, an inlet C and an outlet D. The second heat exchanger is provided with an inlet E, an outlet F, an inlet H and an outlet G. The gas-liquid separator is provided with an inlet J, an outlet L and an outlet K. The environmental test chamber auto-cascade refrigeration system is simple in structure and easy to realize. The system can be effectively simplified. The exhaust gas temperature under the high-temperature working condition can be reduced. The refrigeration efficiency under the low-temperature working condition can be improved.

Description

technical field [0001] The invention belongs to the technical field of refrigeration, and in particular relates to a self-cascading refrigeration system for an environmental test chamber. Background technique [0002] The environmental test chamber is a kind of equipment that simulates the natural environment climate by means of science and technology. With the development of technology, it requires lower temperature values, faster cooling rates and wider temperature ranges when performing low temperature tests. In the prior art, a cascade refrigeration system is generally used to achieve rapid cooling. The problem of the traditional cascade refrigeration system is: when it operates under high temperature conditions, there is a problem of high exhaust temperature, and when it operates under low temperature conditions, there is a problem of low refrigeration efficiency. In addition, the current Some cascade refrigeration systems also have the problems of complex systems and...

Claims

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Application Information

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IPC IPC(8): F25B7/00F25B41/04F25B43/02F25B41/37
CPCF25B7/00F25B43/02F25B43/003F25B41/20
Inventor 邓皓仁任彬甘志利张逸波
Owner 上海沛芾航天科技发展有限公司
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