Hot and cold impact test box use, parameters, features

Thermal Shock Chambers principles:

Principle: The cold and hot shock box adopts the cold storage method, which allows the product to be tested to stand by cold and hot alternate impacts. The performance and parameters of the tested product after a rapid temperature change are tested.

What are the uses of the hot and cold shock chamber ?

Hot and cold shock is widely used: hot and cold impact testing machine for electronic components, automation components, communication components,

Automobile accessories, metals, chemical materials, plastics and other industries, defense industry, aerospace, military industry, BGA, PCB substrate,

Electronic chip ICs, semi-conductor ceramics, and macromolecule materials undergo physical changes, testing their material

Repeated resistance at low temperatures and chemical or physical damage to the product due to thermal expansion and contraction

Can confirm the quality of the product, from the precision of the IC to the heavy mechanical components, none of which requires its ideal test tool.

Cold impact parameters tank;

Model TS-42 TS-80 TS-150 TS-252 TS-450

Internal dimensions W×H×D(cm) 40×35×30 50×40×40 60×50×50 70×60×60 80×75×75

External dimensions W×H×D(cm) 140×180×145 148×190×155 160×200×175 175×210×187 190×220×200

Temperature range (test area) (150°C to A: -45°C; B: -55°C; C: -65°C); (high temperature area: +60°C to +150°C; low temperature area -10°C to -65°C )

Heating time (heat storage area) RT ~ 200 °C approximately 35min

Cooling time (storage zone) RT ~ -70 °C in approximately 85 minutes

Temperature recovery time / conversion time ≤ 5min / ≤ l0 seconds

Temperature Control Accuracy/Distribution Accuracy ±0.5°C/±2.0°C

Insulation material High temperature resistant high density chloroform vinegar foam insulation material

Cooling system Semi-closed double-stage compressor (water-cooled) / fully-closed double-stage compressor (air-cooled)

Safety protection device No fuse switch, compressor high and low voltage protection switch, high pressure protection switch for refrigerant, fault accessories View window (special purchase type), two up and down adjustable compartments, power test hole, caster, horizontal bracket

Power supply AC380V 50Hz/60Hz 3 ∮

Weight (approx. 700Kg 900Kg l200Kg 1400Kg 1900Kg

  

Hot and cold impact refrigeration systems and compressors:

In order to ensure the cooling rate and minimum temperature of the test chamber, this test chamber adopts a binary cascade Freon refrigeration system composed of French Taikang compressors. The cascade system includes a high pressure refrigeration cycle and a low pressure refrigeration cycle. The connection vessel is an evaporative condenser. The function of the evaporative condenser is to use a low pressure circulating evaporator as a high pressure circulating condenser.

The design of the refrigeration system uses energy-adjustment technology. An effective treatment method can ensure that the energy consumption and cooling capacity of the refrigeration system can be effectively regulated under the normal operation of the refrigeration unit and the operating cost of the refrigeration system can be maintained. And the failure has dropped to a more economical state.

Hot and cold impact cooling working principle:

The high-low refrigeration cycle adopts the reverse Cascade cycle. The cycle is composed of two isothermal processes and two adiabatic processes. The process is as follows: The refrigerant is compressed adiabatically by the compressor to a higher pressure, and the power is consumed to increase the temperature of the exhaust gas. After that, the refrigerant is heat exchanged with the surrounding medium via the condenser isothermally to transfer heat to the surrounding medium. After the refrigerant through the shut-off valve adiabatic expansion work, when the refrigerant temperature decreases. This cycle is repeated to achieve cooling.

Refrigerant: Use R404A (low pressure circulation), R23 (high pressure circulation) environmental protection refrigerant.

Cooling method: water cooling.

    

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