Hubei rapid temperature rise and fall test box manufacturer

1Hubei rapid temperature rise and fall test box manufacturerCapable of achieving rapid temperature changes in a short period of time and simulating the performance of products in different environments. Its main functions include:

1. Rapid temperature change capability: Supports a temperature change rate of 5 ° C to 20 ° C per minute, meeting rigorous testing requirements.

2. Temperature range: Temperature coverage ranges from -70 ° C to+150 ° C, suitable for various testing scenarios.

3. High precision control: Advanced PID control algorithm is adopted to ensure temperature fluctuation ≤ ± 0.5 ° C

4. Multi functional compatibility: Supports multiple modes such as humidity control and cyclic testing to meet diverse testing needs. ”

IIHubei rapid temperature rise and fall test box manufacturerApplication scenarios

1. Electronic product testing: used to test the reliability of electronic components, PCB boards, batteries, etc. in rapidly changing temperature environments.

2. Automotive component testing: Simulate the usage environment of cars under different climatic conditions to evaluate the durability of components.

3. Aerospace testing: used to test the performance of aerospace equipment in high-altitude, low-temperature or high-temperature environments.

4. Material research: Evaluate the changes in physical and chemical properties of materials under rapid temperature changes.

3、 Box structure and materials:

1. Shell material: Steel plate with electrostatic spraying surface treatment.

2. Inner box material: SUS # 304 heat-resistant and cold resistant stainless steel plate.

3. Thermal insulation material: box: rigid polyurethane foam+glass fiber;

4、 Freezing system and heating system:

1. Heater: Electric heating tube heater

2. Refrigerator unit:

(1) Freezing method: Double stage cascade refrigeration method

(2) Compressor: Bitzer compressor,

(3) Refrigerant: R404A/R23 environmentally friendly refrigerant (DuPont, USA)

(4) Condenser: air-cooled condenser

(5) Evaporator: Slope type FIN-TUBE evaporator

(6) Equipped with pressure protection device, pressure relief device, and liquid storage tank.

5、 Supply air circulation system:

1. Adopt a multi blade centrifugal circulating fan, reinforced with an axis and aluminum alloy rotating blades that are resistant to high and low temperatures, to achieve forced convection

2. FLOW THOW air supply method; Horizontal diffusion, vertical heat exchange, arc-shaped cycle

3. Adjustable side blowing air outlet and protective net return air outlet

6、 Controller: TH7010

1.7-inch high-definition color touch screen, with 65000 true colors and a resolution of 800 * 480. The core controller is PLC, which has a long service life, strong anti-interference ability, high control accuracy, fast data processing speed, and multiple signal combination relays (transistors) output. The signals can be logically processed (NOT, AND, OR, NOR, XOR)

2. Temperature and humidity 2-channel input, independently controlled, capable of 10 point linear slope compensation for each temperature and humidity of nonlinear sensors; There are two control modes for each channel: fixed value/program fixed value. The maximum time can be set to 9999999 hours; Program editing and looping, the program can program 100 groups, each group consisting of 100 segments, each segment can be set for 32700 hours, and can loop 32000 times; Support free combination programming with output that can be controlled in series, parallel, and other high difficulty settings

3. Equipped with Chinese character input function, edit and input manufacturer information, fault alarm name, test name, data group name, etc

4. Communication function: The instrument is equipped with RS485/RS422/USB interface, which supports USB storage, exporting historical curves and data functions, and can be viewed and printed using computer software

5. Interface type: Chinese/English can be freely selected and switched; Temperature and humidity control display and single temperature control display can be freely selected

6. Compressor delay function; Manual, automatic, and timed shutdown functions; Appointment activation function

7. 4 internal alarms and 8 external alarm functions can be customized, and the external input DI alarm signal can be freely switched between normally closed or normally open signal modes

8. The instrument is equipped with an alarm buzzer, which can freely set whether to delay the output when the alarm is triggered, how long to delay, whether to stop the machine, whether the buzzer will sound an alarm, whether the alarm interface will pop up, whether to output external alarm points, and other functions; In case of hardware failure at the input/output point, the backup function of moving the point; Water shortage prompt, automatic replenishment; Temperature and humidity operation upper and lower limit alarms, automatic alarms for overheating, overload, etc

9. The controller can display the current operating status in real time, such as set values, real-time values, running time, number of groups and segments, number of cycles, and other main process parameters, as well as statistical data; Various control parameters can be set arbitrarily

10. Real time display of temperature and humidity PV/SP curves; And it can also query historical curves

7、 Security protection system:

1. System control circuit fuse

2. Equipped with a non fuse protection switch

3. Overheating protection switch

4. Overload protection device for refrigeration compressor

5. System overcurrent protection device

6. Fault indicator light

7. Controller setting error, fault display and warning