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Ultralow temperature ice trough

An ultra-low temperature, ice bath technology, used in coolers, lighting and heating equipment, laboratory utensils, etc., can solve the problems of energy waste, poor temperature control accuracy, narrow application range, etc., to achieve flexible temperature adjustment and reduce refrigeration load. , The effect of stable and reliable system operation

Active Publication Date: 2010-04-07
JINAN KEYI TEST EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This temperature control method not only has poor temperature control accuracy, but also causes a great waste of energy.
And the scope of application is narrow

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0044] The structure of the ultra-low temperature ice tank of the present invention includes a casing 1, an ice tank container 30, an operation panel 2, a compressor refrigeration system, an evaporator, a fan motor 11 and electrical parts, an ice tank container 30, a compressor refrigeration system, and an evaporator And the fan motor 11 is arranged inside the box body 1, and the operation panel 2 is arranged on the upper part of the box body 1; A sealing cover 26 is arranged to seal the ice tank container 30; the compressor refrigeration system is connected to the evaporator; the refrigerant discharged from the compressor refrigeration system cools the cooling medium in the ice tank container 30 through the evaporator; the fan motor 11 The condenser in the mechanical refrigeration system cools down. The box body 1 is provided with a fan air inlet 3 near the fan motor 11, and the fan air outlet 4 is opened on the other side of the box body 1 relative to the fan air inlet 3; the...

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PUM

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Abstract

The invention discloses an ultralow temperature ice trough, belonging to the low temperature test devices. The structure of the ice trough adopts the two-stage cascade compressor refrigerating technology. A refrigerant of a first-stage compressor of a first-stage refrigerating system is condensed by a first-stage condenser, is throttled by a throttling device and then enters a telescopic heat exchanger to be evaporated to cool a second-stage refrigerating system. After a refrigerant of a second-stage compressor of a second-stage refrigerating system is throttled by an electronic expansion valve, a low temperature refrigerant enters an evaporator to be evaporated to cool cooling media in an ice trough vessel. When the temperature in the ice trough vessel approaches the set temperature, a bypass electronic expansion valve regulates cooling capacity in accordance with the instruction of a single chip to maintain the temperature in the ice trough vessel. Compared with the prior art, the ultralow temperature ice trough of the invention has the characteristics of ultralow test temperature, wide applicable range, high temperance controlling precision and low energy consumption, etc.

Description

technical field [0001] The invention relates to a low-temperature test device, in particular to an ultra-low temperature ice tank. Background technique [0002] The low-temperature ice tank is a device used to test the low-temperature physical properties of various materials. Various substances and materials will exhibit different temperature characteristics at different temperatures. Through the low temperature physical performance test, we can obtain the different physical properties of various substances and materials at different low temperatures, so as to determine the suitability of each material and material. domain and environment. The low-temperature performance characteristics tested include many aspects, such as the detection of low-temperature brittleness of raw materials. The determination of low-temperature brittleness is indispensable in both scientific research and manufacturing. [0003] Accurate temperature control is the basic requirement for experimenta...

Claims

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Application Information

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IPC IPC(8): B01L7/00F25D15/00
Inventor 秦丙泉安继周秦楠
Owner JINAN KEYI TEST EQUIP CO LTD
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