Performance indicators and system composition of the comprehensive environment test box (fog test box) for car lights

model

GC-YW-8000

Volume and size

Nominal internal volume

About 8m 3

Effective size of inner box

Left area: 1200mm × 2500mm × 2000mm (W × D × H)

Right area: 800mm × 2500mm × 1000mm (W × D × H)

Exterior space

Approximately 2500 × 5300 × 2800mm (D length × W width × H height) including sloping roof height

weight

About 2200kg

Bottom load-bearing capacity of the machine

The bottom plate strengthens the load-bearing capacity of the studio, with an average load-bearing capacity of 2 tons per square meter,

A 1mm thick anti slip and corrosion-resistant hard plastic silicone is laid at the bottom of the laboratory, which is resistant to High temperatures

Drainage holes are installed on the bottom plate of the laboratory

Work noise

≤ 70db, measured at a distance of 1.2 meters from the ground and 1 meter in front of the machine

maximum power

70KW

Maximum current

108A

Power supply conditions

And power supply

AC 380V three-phase four wire+protective grounding; The allowable voltage fluctuation range is ± 10% V;

The allowable frequency fluctuation range is 50 ± 0.5HZ; TN-S power supply or TT power supply

The grounding resistance of the protective grounding wire is less than 4 Ω

Require users to configure corresponding capacity air or power switches for the equipment at the installation site, and this switch must independently control the use of the equipment

performance index 

Environmental conditions for use

1. The ambient temperature is 5-30 ℃ and the relative humidity is ≤ 85% R.H;

2. The installation site must be a flat and vibration free ground;

3. The equipment should be kept away from heat sources and flammable and explosive substances;

4. The installation location should not be directly exposed to sunlight and maintain indoor air circulation;

5. The equipment installation site needs to be clean and cannot be installed in dusty areas or dust outlets

Temperature performance

Laboratory temperature range: Temperature range: -30 ℃ to+100 ℃ (left and right zones)

Temperature resolution: 0.01 ℃

Temperature fluctuation: ≤ ±0.5℃

Temperature deviation: ≤ ±2.0℃

Temperature uniformity: ≤ ±2℃

Temperature change rate

Heating rate: ≥ 3 ℃/min (average empty load throughout the left and right zones)

Cooling rate: ≥ 2 ℃/min (average empty load throughout the left and right zones)

Humidity performance

Humidity range: 10% to 98% R.H (left and right zones)

Temperature resolution: 0.1%

Humidity fluctuation: ≤ ±3%RH

Humidity deviation: ≤ ±3%RH

Humidity uniformity (no light, no wind speed): ≥ At 75% RH: humidity uniformity ≤ ± 3% RH

When the humidity is ≤ 75% RH: humidity uniformity is ≤ ± 5% RH

Main technical parameters

Spray volume (m1/80cm2/h) 1.0~2.0 (collect at least 16 hours and take the average value)

Spray pressure: 1.00 ± 0.01kgf/cm2

PH value: neutral 6.5~7.2 acidic 3.0~3.3

Spray, static time: 1min~9999H fixed value operation can be set arbitrarily, and the program running time can be set to cycle operation

Spray system (left area)

6 sets of nozzle type nozzles, nozzle material SUS # 304; Pressure ranging from 1 to 3kg/cm 2;

Flow rate: adjustable from 6-21L/min, can cover the entire surface of the car lights;

Spray water temperature control: 8 ℃~30 ℃, accuracy ± 2 ℃;

Spray conditions: Meet Q/JLY J7110231D-2022, maintain water temperature at 15 ℃± 3 ℃, rain parameters at a pressure of 3bar, flow rate of 18L/min, and spray continuously for 30 minutes.

Lighting system (left area)

Radiation intensity of 800w/m 2~1120w/m 2 @ 20 ℃~60 ℃, 10%~70% (air temperature and humidity range under lighting state);

Spectral matching degree: Class B (according to the AM1.5 standard solar spectral specification);

Spectral stability: ≤ 5% (according to AM1.5 standard solar spectral specifications);

Illumination angle: Rotate the Z-axis by 30 degrees and rotate the X-axis outward by 45 degrees

Wind speed system

Wind speed range: The wind speed can be adjusted to 15m/s, using a multi blade fan wind speed generating device

Timing range: 1min to 999h (divided into stages)

Wind speed regulation: The variable frequency controller is used to control the wind speed output, and the controller detects the wind speed value and provides feedback

Anemometer: Digital Wind Speed Detector

Wind speed direction: horizontal direction

Wind speed range: 5-15m/s adjustable (left zone)

Wind speed range: 2-5m/s adjustable (right zone)

Wind speed control: Variable frequency control, speed adjustment, wind speed and anemometer detection

Test standards

5.10 Mist Verification Test in Q/JLY J7110231D-2022

GMW14906 (Lamp Development and Validation Test Procedure)

JA3710-FG (Technical Specifications for External Lighting and Signal Devices of Passenger Cars)

QJGAC 1250.028-2020 Technical Conditions for Front Combination Lamps

Verification standards for fog by various vehicle manufacturers

Structural method

Split design, the equipment is divided into five design systems: box section (left testing area, right testing area), cabinet (refrigeration section and electrical control system), controller system, ice water machine, etc

Left testing area: 1200mm × 2500mm × 2000mm (W × D × H), the left area of the test chamber is the lens installation surface (external components), and tests such as lighting, constant temperature and humidity, cold water rainfall (spray), and wind speed system are carried out according to standards in this area

Right testing area: 800mm × 2500mm × 1000mm (W × D × H), the right area of the testing chamber is the back of the installed lamp (engine room surface), which can be used for high and low temperature cycling and constant temperature and humidity testing

Laboratory door

Left compartment door: front fully open single wing additional glass observation window with double-layer silicone rubber seal and door lock, convenient for personnel to enter the compartment for operation

Right area box door: Double door, 2000mm length on both sides, placement and installation of car lights, with 2 sets of glass observation windows attached

Observation window: Four layer vacuum glass insulated window, with additional 13W lighting for observing the test sample. The left window has a blackout curtain

Sample placement

The sample placement holes in the left and right areas are 2100 * 750mm (W * H), which can accommodate up to 2000mm of car lights. They are sealed with high-temperature resistant and flame-retardant soft cloth

A set of lamp fixture racks in the right area, made of SUS304 # stainless steel, with U-shaped screw fixing holes for easy fixation of lamp fixtures

Humidity system

Humidification water circuit: adopts a dual-purpose device of automatic water inlet and drawer type water tank water supply, with manual switching between water circulation recovery or non recovery

Humidification: Steam humidification

Dehumidification: Condensation dehumidification method

Structural features:

Laboratory structure

Outer wall material: SUS304 stainless steel plate, stainless steel thickness 1.2mm

Inner wall material: SUS316 stainless steel plate, stainless steel thickness 1.2mm

Bottom plate material: high-quality anti slip SUS316 stainless steel with a thickness of 3.0mm

Spray control system (reference, meets performance requirements)

Spray nozzle SUS304 # material wide angle nozzle with large coverage area, quantity 6 sets

Spray water pump adjusts water flow rate from 6 liters to 21 L/min

The spray flow rate is detected by an electronic flowmeter

Water temperature control adopts ice water machine water circulation temperature control of 8 ℃~30 ℃

Spray water circulation, spray water circulation, filter impurities, and automatic drainage pipeline design

The sprinkler water tank is made of SUS304 # stainless steel with a capacity of 150L. It is equipped with an additional circulating water inlet and outlet, as well as a water replenishment port, drainage port, and overflow port

Lighting control system (reference, meets performance requirements)

The lighting power supply adopts 2 sets of high stability 4KW lighting power supplies, and adjusts the output of the lamp tube to 50% to 100%

The light source adopts two sets of 4000W metal halide lamps

Spectral range 280nm to 3000nm

Simulated full spectrum irradiation intensity of sunlight, adjustable from 800 to 1120W/m

The irradiation angle is equipped with a built-in stainless steel lamp holder that can move forward and backward, and the rotation angle of the lamp source can be adjusted by 30 ° to 80 °

The irradiation sensor adopts a low-temperature resistant full spectrum irradiation intensity meter, with a temperature resistance of -40 to 150 ℃

Safety protection device

Power protection, residual current circuit breaker safety protection, under reverse phase sequence protection

Emergency switch, emergency stop switch protection device

Overcurrent protection overload: overcurrent (overload) protection devices for electric heating, motors, compressors, etc

Fault abnormality protection: When a fault abnormality occurs, cut off the control power supply, indicate the cause of the fault, and output an alarm signal

Insulation layer

Fire resistant high-strength PU polyurethane foam insulation material (more heat-resistant and fire-resistant than general PU), insulation coefficient: less than 0.0212kcal/m2hr

Box door

Double opening walk-in box door, double opening door structure, each door is 2500mm wide and 5500mm high, with doors set in the length direction.

Box door locking device and built-in anti reverse locking device

Door opening size: width 5000mm * height 5500mm;

The material of the laboratory box door is the same as that of the storage board;

The laboratory is equipped with built-in lighting fixtures located at the top of the laboratory

Observation window

1. 2 observation windows: There are 2 (including side single doors) conductive film explosion-proof and anti fog tempered glass observation windows with dimensions of W600 * H800mm on the door; Simultaneously equipped with conductive film explosion-proof, anti fog, and anti frost tempered glass observation windows, specially customized.

Install one conductive film explosion-proof and anti fog tempered glass observation window on the side, with glass sizes of W400 * H600mm in sequence

The above observation windows are all equipped with contraction curtains or louvers

control panel

Power indicator, spray indicator, demist indicator, cleaning button

Temperature controller, main power switch, spray switch, demist switch

Distribution control cabinet

Water filling solenoid valve, spray solenoid valve, demisting solenoid valve, distribution board, cooling fan

Overtemperature protector, air saturation pressure tank, spray control valve, saline water supply pump device

heating system 

A water ditch is set up at the bottom of the laboratory, and heating pipes are installed inside the ditch, using steam heating method and titanium alloy heating pipes, P. I. D Control Heating to Achieve Temperature Balance

Heating bucket anti-corrosion treatment

Efficient nickel alloy material+PTFE surface treatment electric heater; Adopting external electric steam humidification (stainless steel armored heater); The inner surface of the humidification bucket has been treated with Teflon spray coating to prevent the formation of rust and scale at welding points;

Humidification system 

The humidifier is equipped with a real-time dynamic water pump to meet the needs of humidification and maintaining humidity inside the box; Equipped with professional dual stage water filters to meet the anti scaling treatment requirements during the circulation of humidification water.

Dehumidification system

Condensation dehumidification; Using a professional evaporation pressure regulating device can ensure long-term humidity operation of the equipment and prevent frost formation on the evaporator; The condensed water after dehumidification can flow out through the drainage hole at the bottom of the experimental area.

test room

Water replenishment system

Fully automatic water replenishment control system, simply connect to the tap water pipe for automatic control, easy to use

Liquid Water Replenishment System

1. Liquid medicine water supply device: a large water tank made of PVC, with a hidden water storage capacity of about 3m3 inside

2. Method of supplementing medication; The corrosion-resistant film pump is used to lift the stored liquid medicine to the bottom of the spray tower for spray

drainage system

A 2-inch drainage outlet is installed at the bottom behind the laboratory, with a drainage valve control device and manual drainage method. The drainage location is specified by the customer (if the underground sewer is not made of metal, it can be directly discharged into the underground sewer)

Spray system

The Bernoulli principle is used to extract salt water and then atomize it uniformly. The temperature of the salt water atomization pool is consistent with that of the laboratory, ensuring no blocking crystallization phenomenon and ensuring the accuracy and standardization of the experiment

No blocking crystallization phenomenon can ensure the standard of continuous testing

The nozzle is made of special glass

Salt water level control: The salt water atomization pool uses a PP float switch to control the salt water level, and is equipped with a complete cover to prevent salt water droplets from falling back into the salt water atomization pool in the testing room

Spray mode

Continuous/gap type

Spray volume

The digital automatic display of the spray amount of saline water in the controller and the formation of the spray amount curve can effectively save the hourly data of the spray amount of saline water.

Air supply system

The spray pressure is adjusted to 1kg/cm2 in two stages. For the first time, the compressed air is adjusted to 2kg/cm2 to enter the saturated barrel for heating, and for the second time, the spray pressure is adjusted to 1kg/cm2

Fog exhaust system

1. Fully automatic pressure balanced fog exhaust device, simply connect the fog exhaust pipe, and automatically exhaust fog according to the pressure inside the box

2. The laboratory is equipped with 3 smoke exhaust holes with a diameter of ф 100mm. The smoke exhaust position is specified by the customer, and the extension pipe should not exceed 3 meters. If the extension exceeds 3 meters.

3. Optional salt spray filter with a salt spray processing capacity of 10m3/h;

Cleaning method

Spray devices are installed on both sides and the top of the laboratory. When the experiment is completed or the cleaning button is clicked, the laboratory can be cleaned. The cleaning time is up or the cleaning button can be turned off.

Cleaning water supply, using tap water supply method, with electromagnetic valve control for cleaning

Water supply system

1. The laboratory, saturation pressure tank, and cleaning water supply are automatically supplied with tap water

2. The preparation of test solution and saline solution should be based on dissolving 5 ± 1 units of sodium chloride in 95 units of water, and the water quality should meet the following requirements: maximum conductivity (μ S/cm @ 25 ℃) 5; Minimum resistivity (M Ω. cm @ 25 ℃) 0.2; PH value 6.5-7.2; Careful attention should be paid to the chemical composition of salt. The salt used should be sodium chloride, and the total amount of impurities should not exceed 0.3%. The content of halides (bromides, fluorides, and iodides) composed of substances other than chlorides shall not exceed 0.1% of the salt content. The copper content should not exceed 0.3 ppm. Sodium chloride containing added anti caking agents should not be used, as the additive acts like a corrosion inhibitor. The maximum limits for these impurities are listed in Table 1. When the buyer and seller agree, they may request analysis based on the content limits of elements or compounds other than the chemical composition specified above. (Purified water, deionized water machine, or distilled water machine should be used for preparing the medicine)

Stable control system

The environmental chamber can work continuously for more than 100000 hours, and there is a pressure relief hole above to maintain positive indoor pressure in any state.

electric control system 

controller

The independently developed LCD display and capacitive touch screen temperature controller are mainly used to control laboratory temperature, pressure tank temperature, display relative humidity, salt water sedimentation, spray time and other information. They are easy to operate, sensitive, and have high display accuracy.

Temperature input mode

Human computer interface, touch input

Program capacity and control function

Available program quantity: up to 120 groups, one program can be combined from 1 to 99 segments

Usable memory capacity: 1200 segments, can execute commands repeatedly: each command can be executed up to 999 times, program slope can be set by the timeline, programs can be linked and used, and program creation adopts conversational operation with simple operation

Equipped with functions such as editing, clearing, and inserting, with 4 sets of time signal output control (controllable control of the ON/OFF action of the test object)

It has 9 sets of PID parameter settings, with jump and hold functions during program execution, and can display curves and obtain data; Date and time adjustment function; Button and screen lock (LOCK) function, can be connected to a computer for use

communication

RS-232 communication interface, can be used as a monitoring and remote control system, record test data

Operation mode

Program mode/fixed value mode

Setting method

Chinese/English interface, touch input

Set Range

Maximum temperature range with upper and lower limits of 5 ℃

Display resolution

Temperature: 0.01 ℃; Time: 1min；

Power off memory function

The power-off recovery mode can be set to: hot start/cold start/stop

Appointment startup function

You can freely set the startup time, and the machine will automatically run after turning on the power

Temperature measurement body

PT100 platinum resistor

Curve recording function

RAM with battery protection, capable of storing device settings, sampling values, and sampling time; The maximum recording time is 60 days (when the sampling period is 1.5 minutes)

Software usage environment

IBM PC compatible machine, with a P Ⅱ or above CPU, 128MB or above memory, Simplified Chinese Windows 2000 or Simplified Chinese Windows XP operating system

Temperature control method

Anti integral saturation PID, BTC balance temperature control method (temperature testing equipment)

Safety protection device

Test box

Extreme over temperature protection, water shortage protection

Saturated bucket

Extreme over temperature protection, water shortage protection

Saltwater supply system

Pump overload and water shortage protection

heating system 

Heating tube dry burning, abnormal water supply, abnormal drainage

Power Supply

Leakage protection, overload and short circuit protection

Storage environment requirements

The ambient temperature of the equipment should be maintained within 0 ℃ to+45 ℃

Installation site requirements

The distance between the left, right, and rear wall panels of the test chamber and the wall must not be less than 600mm, and the distance between the front and the wall must not be less than 800mm. When transporting equipment, whether it is possible to enter the entrance, passage, elevator, etc., to avoid affecting the progress of your company's project.