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High and Low Temperature Test Chamber
The battery high and low temperature test box developed and produced by our company can simulate normal temperature and low temperature environment. It is a special equipment with special requirements for comprehensive universities and high-tech enterprises to carry out energy saving and environmental protection, high performance battery testing and research and development projects. It ensures the strict environment of the battery when testing parameters such as current and voltage: no vibration, dry and low humidity, constant temperature test.
I. Box structure features
1. The box body is processed and formed by numerical control machine tool, with beautiful appearance and easy operation.
2. The inner liner of the box is made of imported high-grade stainless steel (SUS304) mirror panel, and the outer liner of the box is sprayed with A3 steel plate, which increases the appearance texture and cleanliness.
3. The large-area window is equipped with lighting to keep the inside of the box bright, and the inside of the box can be clearly observed by using the three-layer tempered glass embedded in the heating element.
4. The left side of the box is equipped with standard test holes (40 channels), which can be used for external test lines.
II. Test box control system
Using balanced constant temperature control system (BTHC), programmable touch screen ultra-fuzzy P.I.D + S.S.R. microcomputer integrated controller, with stable performance, high precision, simple operation.
III. Test box refrigeration and air circulation system
1. The refrigeration unit adopts "Taikang" air-cooled hermetic compressor imported from France.
2. The refrigerant adopts environmentally friendly green (HFC) R404a, R23, zero pollution.
3. The strong circulation of the centrifugal blower can make the temperature distribution in the test area even.
4. The heating and cooling systems are completely independent, which can improve efficiency and reduce failure rate.
IV. Test box safety protection device
1. Working chamber over-temperature independent protector
2. Heating overload protector
3. Compressor overheat protection switch
4. Compressor high pressure protection switch
5. Compressor overcurrent protection switch
6. Leakage circuit breaker protection switch
7. Cycle motor overload and overheat protection switch
V.Technical parameters of the test box
| Model | BTC-706 | |
| Working chamber size(mm) | 400×400×400(W*D*H) | |
| Dimensions (mm) | 600×950×1520mm(W*D*H) | |
| Power(-70ºC) | 4.0(Kw) | |
| Performance index | Temperature range | -70ºC~80ºC |
| Fluctuation/Uniformity | ±0.5ºC/±1.5ºC | |
| Heating rate | 1.5~3.0ºC/min | |
| Cooling rate | 0.7~1.0ºC/min | |
Control system | Controller | Programmable touch screen super fuzzy P.I.D microcomputer integrated controller |
| Indication accuracy | Temperature 0.01ºC | |
| Temperature and humidity sensor | Platinum resistance PT100Ω/MV | |
| Heating system | Fully independent nickel-chromium alloy electric heater | |
| Refrigeration system | Dual-machine cascade compressor unit | |
| Circulation system | Temperature-resistant low-noise motor + centrifugal wind wheel | |
| Materials used | Outer box material | High-quality carbon steel plate. Phosphating electrostatic spray treatment |
| Inner box material | SUS304 stainless steel high-quality mirror light board | |
| Insulation material | Polyurethane rigid foam, superfine glass fiber cotton | |
| Door frame heat insulation | Double-layer high and low temperature aging resistant silicone rubber door seal | |
| Standard configuration | 1 set of multi-layer heating and defrosting with lighting glass window, 2 battery trays (40 channels), 1 test lead hole | |
| Safety protection | Electric leakage, short circuit, over temperature, motor overheating, compressor overpressure, overload protection | |
| Timing function | 30 segments and 99 cycles (H, M, S) adjustable | |
| Power supply voltage | AC230V±10% 50±0.5Hz | |
| Operating environment temperature | 5ºC~+30ºC ≤85%R.H | |
| Note:1. The above data are measured at an ambient temperature of 25°C No load 2. Conform to the standard: GB/T2423.1-2008, GB/T2423.2-2008 3. The information is subject to change without prior notice | ||
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