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Improved structure of constant-temperature and constant-humidity machine

A constant temperature and humidity machine with improved structure technology, applied in the field of household electrical appliances, can solve the problems of maintaining at plus or minus 0.5, humidity control at plus or minus, etc., and achieve the effect of reducing power

Pending Publication Date: 2018-05-29
东莞市上超机电设备有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the temperature control of traditional thermostats can generally only be maintained at plus or minus 0.5, and the humidity control can only be maintained at plus or minus 2.5

Method used

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  • Improved structure of constant-temperature and constant-humidity machine
  • Improved structure of constant-temperature and constant-humidity machine
  • Improved structure of constant-temperature and constant-humidity machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] In this example, refer to Figure 1-Figure 4 , the constant temperature and humidity machine 1 mainly includes a main control circuit module 11, a heat exchanger 12 and a humidification system device 14;

[0018] The main control circuit module 11 includes a power supply module 111, a control circuit board 112, a frequency converter 113, a precision electronic expansion valve 114, and a high-precision sensor 115;

[0019] The power supply module 111 provides the power required by the system; the control circuit board 112 controls the power of the frequency converter 113, and uses a precision electronic expansion valve 114 and a high-precision sensor 115 to feedback control the opening degree of the heat source of the compressor 122 to fine-tune the cold air, as Temperature compensation, so as to achieve tight control of temperature and humidity; the frequency converter 113 can not only maintain a stable temperature, but also reduce the power of the compressor 122 and th...

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Abstract

The invention discloses an improved structure of a constant-temperature and constant-humidity machine. The improved structure of the constant-temperature and constant-humidity machine comprises a maincontrol circuit module, a heat exchanger, a humidification system device and an exhaust fan. The main control circuit module comprises a power supply module, a control circuit board, a frequency converter, a precision electronic expansion valve and a high-precision sensor. The heat exchanger is connected with a compressor, and a high-precision flow controller and a pressure reduction control valve are connected between the heat exchanger and the compressor. The humidification system device is arranged in an air mixing and collection hood and connected with a water collection tank, an automatic water supplement device, a heating pipe and the sensor. One end of the exhaust fan is connected with an air inlet, and the other end of the exhaust fan is connected with an air outlet. According tothe improved structure of the constant-temperature and constant-humidity machine, the frequency converter is controlled by the control circuit board to drive the compressor to achieve refrigeration, the exhaust fan is used for sucking air in an airtight environment space, and the main control circuit automatically adjusts the power of the frequency converter when the temperature and the humidity meet requirements, so that the temperature is kept stable, the power of the compressor and the exhaust fan is reduced, and the purpose of saving energy is achieved.

Description

technical field [0001] The invention relates to the technical field of household appliances, in particular to a constant temperature and humidity machine. Background technique [0002] The constant temperature and humidity machine is widely used in the fields of electronic components, industrial materials, and finished products in the fields of R&D, production, and inspection. It provides constant humidity and heat, complex high and low temperature alternating test environments and test conditions, and is suitable for electronic appliances, communications, Chemical, hardware, rubber, toys and other industries. However, the temperature control of traditional thermostats can generally only be maintained at plus or minus 0.5, and the humidity control can only be maintained at plus or minus 2.5. Contents of the invention [0003] The technical problem to be solved by the present invention is the defect of the prior art, and it provides an improved structure of a constant temp...

Claims

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Application Information

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IPC IPC(8): F24F3/14F24F5/00F24F11/77F24F11/86
CPCF24F3/14F24F5/001Y02B30/70
Inventor 庄贰雄
Owner 东莞市上超机电设备有限公司
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