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Photovoltaic module high and low temperature alternating humidity test chamber/photovoltaic module wet freezing test chamber
The photovoltaic module high and low temperature alternating humidity test chamber is mainly used to test the parameters and performance of photovolta
Product details
Purpose:The photovoltaic module high and low temperature alternating humidity test chamber is mainly used to test the parameters and performance of photovoltaic modules, especially monocrystalline silicon modules, ground crystalline silicon photovoltaic modules, ground thin film photovoltaic modules, and a series of other products after thermal cycling, wet cooling, and wet heat tests.
Performance characteristics:Scientific air circulation design, avoiding any dead corners, ensuring uniform temperature distribution inside the box, and guaranteeing the accuracy of component testing results.
The true color touch programmable controller is equipped with a computer connection interface. Users can design programs on the computer screen, collect test data and records, call program execution, remotely control machine power on and off, and other functions. The automation program is high and the operation is simple.
When an abnormal situation occurs, the controller screen automatically displays the fault status in real time, cuts off the computer switch, and provides troubleshooting methods.
The refrigeration system adopts a combination of binary cascade refrigeration and room temperature refrigeration design. Binary cascade refrigeration uses different compressors to work in different temperature ranges to increase the service life of the equipment.
Energy saving, low-carbon and energy-saving design.
Choose accessories:
Unit component temperature monitoring
Carry-in inclined
Temperature Recorder
Satisfied test methods:
This product meets the requirements IEC61215、IEC61646、IEC61730、GB/T19394－2003、 GB/T9535－1998、GB/T6492－1986、GB/T6494、GB/T6497、SJ/T2196; IEC61345－1998; IEC61646, GB 10592-89, GB10586-89 and other standards.
Component testing method:
1Thermal cycle test:The circulation speed of air should not be less than 2m · s-1, so that the temperature of the components is between -40 ± 2 ℃ and 85 ± 2 ℃, and the temperature change rate between the highest and lowest should not exceed 100 ℃/h. At each extreme temperature, it should be kept stable for at least 10 minutes. One cycle should not exceed 6 hours.
2Wet cold test:The temperature of the component should be between -40 ± 2 ℃ and 85 ± 2 ℃, and the rate of temperature change between the highest and lowest should not exceed 100 ℃/h or 100 ℃/h. The component should complete 10 cycles, and the highest and lowest temperatures should be within ± 2 ℃ of the set value. At temperatures above room temperature, the relative humidity should be maintained within ± 5% of the set value.
3Wet heat test:The test temperature is 85 ± 2 ℃, the relative humidity is 85% ± 5%, and the test time is 1000 hours.
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Main technical parameters:
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model
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YTH–PV-1
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YTH–PV-2
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YTH–PV-3
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YTH–PV-4
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Size of experimental area
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80×80×80
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100×120×150
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120×120×180
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150×120×220
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Machine external dimensions
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140×165×115
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120×145×200
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140×145×230
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170×145×270
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1
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Test scope:
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a
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Temperature range: -40 ℃ to 85 ℃.
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b
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Humidity range: 10% to 98% RH.
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2
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Heating and cooling rate:
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a
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Heating rate: -40 ℃ to+85 ℃, with an average of 1-3 ℃/min.
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b
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Cooling rate:+85 ℃ to -40 ℃, with an average of 1-3 ℃/min.
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3
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Instrument analysis accuracy:
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a
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Temperature: 0.1 ℃.
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b
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Humidity: 0.1% RH.
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4
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Instrument control accuracy:
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a
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Temperature: ± 0.3 ℃.
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b
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Humidity: ± 1.5% RH.
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5
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Volatility:
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a
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Temperature: ≤± 0.5 ℃.
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b
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Humidity: ≤± 1.5% RH.
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6
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Temperature uniformity: ≤ 2 ℃.
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7
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Temperature deviation: ≤± 2 ℃.
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8
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Humidity deviation:+2% RH, -3% RH.
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Structure and Material:
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1
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Inner box material: SUS # 304 high and low temperature resistant stainless steel plate.
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2
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Outer box material: High quality color steel plate.
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3
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Insulation layer: Made of high-strength PU foam, it can avoid unnecessary energy loss.
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4
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Double doors, open from the center to both sides.
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5
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The test door and the body are sealed with high and low temperature resistant high tension sealing strips to ensure the airtightness of the testing area.
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6
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Temperature measuring body: Swiss Rozhnick temperature and humidity integrated sensor.
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7
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The Grand View Inspection is equipped with lighting to keep the inside of the box bright, and uses embedded glass inside the heating body to maintain a clear observation window at all times.
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8
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There are two 50mm diameter test holes on the left and upper sides of the box body, which can be used for external testing power or signal lines.
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9
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The bottom of the machine adopts high-quality fixed movable wheels for both fixation and movement.
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Supply air circulation system:
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1
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We use imported fan motors and aluminum alloy circulation fans that are resistant to high and low temperatures to achieve forced convection and vertical diffusion circulation.
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2
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The wind path circulation adopts an upper outlet and lower return design, with wind speed and pressure meeting the test standards, and the temperature stabilization time is fast at the moment of opening and closing the door.
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3
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By utilizing high-quality centrifugal fans for powerful air circulation, any dead corners can be avoided, resulting in even temperature distribution within the testing area.
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Heating system:
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1
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Adopting U-shaped stainless steel finned high-speed heating electric heater.
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2
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The heating system adopts hot air circulation heating method, with uniform temperature distribution and completely independent system, which does not affect the freezing and control circuit.
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3
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The temperature control output power is calculated by a microcomputer, and the heating power is automatically controlled according to the size of the internal load to achieve high-precision and high-efficiency electricity efficiency, which is more environmentally friendly and energy-saving.
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Humidification system:
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1
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Adopting electronic parallel micro humidification system.
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2
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The humidifier cylinder is made of stainless steel and comes with a water level observation window.
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3
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Adopting the dew point temperature (ADP) laminar contact dehumidification method for evaporator coil.
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4
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Equipped with dual protection devices for overheating and overflow.
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5
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The humidification and dehumidification systems are completely independent.
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6
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The automatic circulation system for wet water collection is suitable for long-term continuous operation of the machine.
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Freezing system:
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1
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compressor:
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a
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European original imported French (Taikang) Iron Armored Warrior high-efficiency, low-noise, energy-saving fully enclosed refrigeration compressor.
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b
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The refrigeration system adopts a combination of binary cascade refrigeration and room temperature refrigeration design. Binary cascade refrigeration uses different compressors to work in different temperature ranges to increase the service life of the equipment.
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2
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The entire system uses R134a, R404a, R23 environmentally friendly refrigerants.
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3
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Internal spiral K-TYPE refrigerant copper tube.
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4
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The entire system pipeline undergoes a 24-hour leak detection test with nitrogen pressurization, eliminating the possibility of refrigerant leakage in the system.
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5
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Wave shaped finned forced air condenser.
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6
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Slope type FIN-TUBE evaporator.
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7
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Original imported solenoid valves, drying filters, and other refrigeration components.
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8
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The heating and cooling systems are completely independent, and all freezing system action programs are completely controlled by a microcomputer controller, achieving the advantages of maximum efficiency and power saving.
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Circuit control system:
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1
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The controller adopts the WINCON from the United States, UNIQUE from Japan, and OYO touch screen series microcomputer controllers, which are beautiful and attractive.
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2
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The product adopts a resistive high-precision touch screen operation method, which allows users to directly click on the screen with a USB mouse or stylus to select functions or set parameters.
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3
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The programmable function has a capacity of 160Patten x 1600 steps x 999 cycles.
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4
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Screen display function: LCD display screen can display the test conditions (including temperature range, cycle times, running time, and remaining time, etc.).
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5
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It has program control and constant value control functions, which facilitate the use of various production conditions.
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6
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The setting of temperature slope allows for free control of operating time and heating rate.
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7
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The reservation activation function will automatically run when the system time reaches the set time, allowing for flexible control of the operation time and working conditions of the aging room.
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8
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Power off restart function, which can be operated by selecting cold start/hot start/interrupt.
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9
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The temperature control adopts P.I.D.+S.S.R. system synchronous coordinated control, which can improve the stability and service life of control components and interfaces.
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10
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Real time curve and historical curve query, convenient for users to observe temperature changes in real time.
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11
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Historical dump function. It has two USB interfaces, making it convenient for users to save historical data.
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12
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File backup function.
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13
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External computer connection interface, which can be connected to a computer for remote operation. It has the function of saving and printing curves and experimental data.
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14
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Run the cumulative function to facilitate customers to view the product usage status for corresponding maintenance and upkeep.
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15
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Screen saver function, better extending the service life of LCD screen.
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16
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When the system has a malfunction, it can display fault information, fault causes, and solutions.
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17
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It has the function of setting permission levels to avoid user misoperation.
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18
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The function of switching between Chinese and English is convenient for users of different languages to operate.
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19
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Control mode: PID (proportional integral derivative) automatic calculation, PID control is simple and easy to understand, and does not require precise system models or other prerequisites for use.
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20
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In the setting, if an error occurs, a warning signal will be provided.
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21
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The on/off function (which can be controlled by the controller to illuminate the test box) can save costs for designers and increase convenience of use.
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22
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Temperature sensor: using DIN PT-100 Ω (platinum sensing) or Swiss Rohatyn temperature and humidity integrated sensor.
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Safety protection device
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1
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Non fuse protection switch.
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2
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Overtemperature protection.
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3
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Overpressure protection.
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4
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Water shortage protection.
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5
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Freezing compressor overcurrent protection.
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6
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Refrigeration compressor overpressure protection.
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7
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Install an overcurrent protector on the fan motor.
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Other accessories: one lighting lamp inside the test hole (500mm) box, component placement rack, and one set of pure water device.
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