Environment room working condition adjusting system

A technology for regulating systems and environmental chambers, which is applied in the field of refrigeration and air conditioning, and can solve problems such as the temperature rise of the environmental chamber

Active Publication Date: 2015-01-21
CHINA NAT ELECTRIC APP RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the defrosting process, the cooling of the surface cooler will stop, which will cause the temperature of the environmental chamber to rise

Method used

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  • Environment room working condition adjusting system
  • Environment room working condition adjusting system
  • Environment room working condition adjusting system

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Embodiment Construction

[0037] Such as figure 1 As shown, the environmental room operating condition adjustment system of the present invention includes an air-conditioning cabinet 1, a refrigeration device 2, a brine refrigeration cycle pipeline and a brine heat circulation pipeline.

[0038] The air conditioning cabinet 1 is equipped with a refrigerated surface cooler 1a, a cold and hot surface cooler 1b, an electric damper 1c, a fan 1d and a humidifier 1e. The upper blade is located between the air outlet of the freezing surface cooler 1a and the air inlet of the cold and hot surface cooler 1b, and the humidifier 1e is arranged between the air outlet of the cold and hot surface cooler 1b and the fan 1d.

[0039]Refrigeration device 2 includes condensation heat recovery device 2a, evaporator 2b, compressor 2c, condenser 2d and expansion valve 2e; waste heat, and use the condensed waste heat to heat the brine to adjust the temperature of the brine, the refrigerant outlet of the condensation heat re...

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PUM

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Abstract

The invention discloses an environment room working condition adjusting system which comprises an air conditioner cabinet, a cooling device, a secondary refrigerant freezing circulating pipeline and a secondary refrigerant thermocycling pipeline. The system can work at a temperature lowering state, a working condition stable state, a defrosting state, an after-defrosting recovery state and a temperature raising state. By switching control of the freezing circulating pipeline, the thermocycling pipeline and an air conditioner electric air brake, a proper cold source and a proper heat source can be provided for a freezing surface air cooler and a cold and heat surface air cooler of the air conditioner cabinet, and the stability of environment room temperature and humidity working conditions is guaranteed. Surface air cooler automatic defrosting under the low-temperature working conditions is achieved, environment room working condition stability during the defrosting process can be guaranteed, and long-time operation of the low-temperature working conditions is achieved. The cooling device of the system is provided with a heat recovery unit, waste heat recovery is used for controlling secondary refrigerant temperature, and energy-saving operation is achieved.

Description

technical field [0001] The invention belongs to the technical field of refrigeration and air conditioning, and relates to a temperature and humidity working condition adjustment system inside an environmental chamber. Background technique [0002] Air cooling and dehumidification using indirect cooling is a commonly used method in the field of air conditioning. The indirect cooling method is to use the brine and the refrigerant of the refrigeration device to exchange heat through the evaporator to cool down, and then the air and the cooled brine are cooled through the surface. The device performs heat exchange cooling and dehumidification. When the air is at normal temperature, water is often used as a refrigerant, and when the temperature is close to zero or below zero, a low-temperature refrigerant, such as ethylene glycol solution, is required. [0003] The temperature of the brine is easy to adjust, and the appropriate temperature of the brine can conveniently control t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F5/00F24F11/02F25B41/04F25B41/24
CPCF24F1/0003F24F11/89F24F12/00F24F13/30
Inventor 郑毅穗刘旭毛海莲
Owner CHINA NAT ELECTRIC APP RES INST
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