Thermal Vacuum Chambers -Zhongke Meiqi (Tianjin) Technology Co., Ltd.

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Thermal Vacuum Chambers

Space environment simulation Thermal Vacuum Chamber has a high degree of automation, precise temperature control, simple and convenient operation, stable and reliable long-term operation; The coolant temperature adjustment stage realizes the coexistence of radiation and heat conduction in a vacuum environment, and increases the temperature rise and fall of the specimen. Use cryogenic pumps and dry pumping systems to eliminate oil contamination from the vacuum system;

Model：MQ-KM1

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Feature Parameter Standard Compliance

Thermal Vacuum Chambers

Technical indicators

product name	Space environment simulation test equipment
Product model	MQ-KM1	MQ-KM2	MQ-KM3
Vacuum chamber size	φ1000X1500mm	φ2000×2500mm	φ3000×3500mm
Ultimate vacuum	≤5×10-5Pa
Working vacuum	≤1.0×10-3Pa
Refrigeration method	Coolant method	Compound working method	Liquid nitrogen refrigeration
Refrigeration method	Heat sink + cold plate	Heat sink + heating cage	Liquid nitrogen heat sink + heating cage
Temperature range	-75℃~+130℃	-110℃~+150℃	-173℃~+170℃
Temperature stability	≤1℃/h	≤1℃/h	≤1℃/h
Temperature uniformity	≤±2.0℃	≤±3.0℃	≤±5.0℃
Temperature control accuracy	±1℃	±1℃	±1℃
Heating rate	≥1℃/Min
Vacuum system leakage rate	<5×10-9 Pa.m3/s
Noise	Vacuum pumping equipment noise <70dB
Vacuum time	The container can be pumped to better than 1.0×10 -3 Pa within 4 hours under no-load conditions at normal temperature
Temperature detection system	The system uses multi-channel Pt100 temperature inspection meter to measure multi-point temperature
Control monitoring system	Mainly includes industrial control computers, control cabinets, PLCs, instruments, various operation control switches, etc.
Controller	Siemens PLC, communication module, communication cable
Voltage	380±10% VAC, 3L+N+G
Standard configuration	Sample platform 1 set, 1 manual
safety devices	Phase sequence protection, leakage protection, reliable grounding, emergency power off button, over voltage, over current, over temperature alarm and protection control
Environmental requirements	Ambient temperature: 5 ~ 35 °C, relative humidity: ≤ 40% RH, no strong vibration, electromagnetic radiation, no dust and corrosive substances around;
Note: 1. The performance parameters are in the ambient temperature of 25 °C, vacuum chamber no-load test; 2.according to the specific requirements of the user non-standard custom; 3. This technical information is subject to change without notice.

Standard Compliance :

GJB 1027A: Carrier, Upper Stage, and Spacecraft Test Requirements
GJB 1033: Satellite Thermal Balance Test Method
QJ 1446A: Satellite Thermal Balance Test Method
QJ 2630.1: Satellite Component Space Environmental Test Method - Thermal
Vacuum Test
QJ 2630.2: Satellite Component Space Environmental Test Method - Thermal Balance Test
QJ 2630.3: Satellite Component Space Environment Test Method - Vacuum Discharge Test
GB 150-1998: Steel Pressure Vessels
GB/T 3164-2007: Graphical Symbols for Vacuum Technology System Diagrams
GB/T 6070-2007: Vacuum flange
GB 50054-1995: Low Voltage Distribution Design Specification
GB 50316-2008: Industrial metal pipeline design specification