Constant Temperature Humidity walk in environmental test chamber 13m3 less than 75dB

Refrigeration: 3.5KW

Heating: 9KW

Humidification: 9KW

Motor: 0.75KW*6=4.5W

Others: ≈1.5KW

Total installed power: Pmax≤27.5KW (subject to final design)

The test chamber and the refrigeration unit are of split design. After the equipment is installed in place, the refrigeration pipeline and electrical circuit are connected and checked before starting the machine;

The controller adopts an independent control cabinet and is installed on the right side of the laboratory.

The equipment adopts a split type, and the refrigeration unit and electrical control cabinet are installed on the right side of the equipment.

The connection between the box body and the unit adopts explosion-proof junction box and galvanized steel pipe, and the connection process conforms to the relevant national standards for explosion-proof.

The air duct is located behind the studio:

The explosion-proof motor is installed on the top of the box, the aluminum centrifugal fan impeller is installed on the top of the test box, and the air is evenly supplied through the air outlet of the volute to meet the requirements of temperature uniformity.

1. Set up 2 split doors, the size of the door opening (800+800) W×2500Hmm,

2. The door is sealed with double-layer high and low temperature resistant soft silicone rubber sealing strip

3. Rotary hinge can ensure the door opening angle ≥ 120 degrees

4. The inner edge of the door is set with a constant temperature heating belt, and the control system automatically turns on the heating belt to defrost according to the studio temperature.

Two sets of visual observation windows (500×600mm) are installed on the gate. The observation window glass is made of multi-layer insulating glass coated with electric heating film. The observation window has high light transmittance, good heat insulation effect, and no resistance wire on the glass surface. Observation and other advantages, when the studio temperature is lower than the ambient temperature, the control automatically turns on the defogging function of the observation window.

1. The motor adopts professional motor: 0.75KW, 6 sets of IP55

2. The fan volute is made of aluminum to prevent sparks from friction between the impeller and the volute;

3. Both the inner and outer casings are provided with reliable grounding lines, and the surface of the equipment is sprayed with conductive anti-static paint to ensure that no static electricity can accumulate on the surface of the equipment casing.

4. The temperature sensor (PT100) adopts explosion-proof sensor.

5. The heating device is a stainless-steel heater without an open flame.

6. The wiring of explosion-proof electrical appliances meets the national explosion-proof requirements.

7. Set up an independent over-temperature protector, that is, a two-section temperature protection instrument, to prevent the danger of overshooting of the temperature in the work room.

There is a transition plate with a slope at the door of the test room, which is convenient for the test sample to enter and exit the test room

1. Nickel-chromium alloy heating wire heater

2. Heater control mode: non-contact equal period pulse width adjustment, SSR (solid state relay)

3. Heater power: ≤9.0 KW

1. External detachable boiler humidification method

2. Stainless steel armored humidifier

3. Humidifier control mode: non-contact equal period pulse width adjustment, SSR (solid state relay)

4. Water level control device, humidifier anti-dry burning device, sediment collection device, liquid level observation window

5. Humidifier power: ≤9.0KW

The automatic water replenishment device is adopted. After connecting the tap water with a 1/2" water pipe, the water supply device is an international famous brand, which can automatically filter and deionize the water.

Demineralized water flow: 10L/h

Water pressure: 0.1～0.25Mpa

Water hardness: ≤0.03mol/L (1.5mg/L, calculated as CaCO3) m, the national standard for humidification water, to provide the deionized water required for the humidification part of the equipment

Using Korean "Sanyuan" TEIM 2700 color touch screen controller, the main features are as follows:

1. 7-inch TFT true color touch screen, the man-machine interface can be selected in Chinese or English, and the menu operation method makes it easy for users to master the operation method of the equipment;
2. Display accuracy: temperature 0.1℃; time 0.1min
3. Two test methods can be selected: constant temperature (manual operation) or program (ie, preset program automatic operation)
4. The equipment operation has a high degree of automation. Set the target temperature or preset equipment operation procedures. After the operation button is activated, the system can automatically determine whether to open the refrigeration unit, heater or blower. Colleagues can automatically adjust the heating output without excessive user operations or monitoring, the ideal test process curve can be obtained.
5. The preset program running function provides users to preset 1000 program curves, each curve can be set up to 100 steps, 6 groups of small cycles, and 10 different programs can be linked, and the program can be retrieved and stored for the next test. can be called directly.
6. During the test, important reference parameters such as current target temperature, measured temperature, heating output, running time, and program running process can be displayed in real time.
7. It can store temperature curves and data for 600 days.
8. Fault self-diagnosis function, when the equipment fails, it will automatically alarm and cut off the power supply. Colleagues will display the fault phenomenon and simple fault description on the controller, and users can easily find the cause according to the fault.

1. USB data recording function:

2. You can directly insert any U disk anywhere in the history record file, and perform operations such as reading and analysis on the computer.

3. Powerful PC software functions, standard 10M/100M Ethernet interface, automatic IP address acquisition, network identification, and easy control.

3.1. Host computer:

The host computer is directly connected to a test box through a network cable

3.2, LAN:

Multiple computers and multiple UMC1000 control area LAN connections

3.3, WEB SERVER remote synchronization;

Remote monitoring can be performed through the INTERNET NET test.

1. Personnel safety

1.1, leakage protection

2. Equipment safety:

2.1, power supply phase loss, phase error, voltage instability protection;

2.2. Control loop current limiting protection

2.3. Fan motor overload protection

2.4. Compressor current overload protection

2.5, compressor overheating protection

2.6. Compressor high pressure protection

2.7, heater short circuit protection

2.8. Equipment leakage protection

2.9. Secondary independent over-temperature protection function