one equipment introduction

1 m3VOCRelease amount detection climate chamberCommonly used in industries such as building materials, furniture, artificial boards, sofas, toys, automotive interiors, electronic products, etccentreVOCDetermination of release amount. Testing productsVOCThe variation pattern of release amount and the classification of product levels. may alsoMaintain a constant temperature and humidity environmentMaintain extremely low background concentrations (formaldehydeVOC）Use appropriate wind speed for pre-treatment of experimental samples in the early stage.

two Equipment features

1. The main power supply is three-phase380VAdopting advanced energy-saving control mode, the average operating power consumption of the whole machine is as low as1.2KW；

2. The main electrical components are all from the German Siemens brand, the frequency converter is from the Japanese Yaskawa brand, and the air flow meter is from the American Silicon Xiang brand, ensuring stable and reliable operation of the entire machine;

3. The touch screen can display main parameters such as temperature and humidity, as well as real-time air flow and wind speed inside the warehouse. The air flow rate is adjusted by the manual control valve on the front panel of the device, and the wind speed can be directly set through the parameters on the touch screen interface;

4. The equipment gas path adopts stainless steel pipes and sleeve type joints to ensure the sealing and cleanliness of the gas path;

5. The inner wall of the work box is made of stainless steel mirror, fully welded and polished;

6. The intake system undergoes multiple air purification and filtration devices to ensure the cleanliness of the air supply;

7. The climate chamber maintains a low background concentration for a long time, and the pollutants released from the sample are removed by an efficient air purification system to ensure that the background concentration meets the testing requirements;

8. Equipped with a set of temperature, humidity, and wind speed calibration racks, and leaving an air flow calibration port;

9. Realize water level shortage alarm and one click automatic water filling function in the water tank, saving manpower;

10. Implement real-time monitoring of the internal temperature of the water tank, and immediately sound an alarm in case of any abnormalities;

11. Automatic data recording, real-time curve browsing, historical data storage, browsing, exporting（USBStorage devices);

12.The following control methods can be implemented (default local control method, other methods are optional)

a)Local control: operate the device directly on the touch screen;

b)Remote control: can be accessed from anywhereWEBOr mobile phoneAPPRemote access and control of devices.

three Reference standards

LY/T 1612-2004 Formaldehyde Release Detection1 m³Climate Box

LY/T 1980-2011Volatile Organic Compounds and Formaldehyde Release Detection Chamber

GB 18580-2017 Limit of formaldehyde emissions from indoor decoration materials, artificial boards, and their products
GB 18587-2001 The release of harmful substances from indoor decoration materials such as carpets, carpet liners, and carpet adhesives Limited edition

GB/T 17657-2013 Test Methods for Physical and Chemical Properties of Artificial Boards and Decorative Artificial Boards
ENV717-1 Environmental chamber method for measuring formaldehyde emissions from artificial boards
ASTM D6007-02Standard Test Method for Formaldehyde Concentration in Gas Emissions from Wood Products Using a Small Scale Environmental Chamber

ISO 12460-1-2007Wood based panels Determination of formaldehyde release Part One "

HJ 571-2010 Technical Requirements for Environmental Labeling Products Artificial board and its products

ISO 16000-9-2011Indoor Air - Part9Section: Determination of volatile organic compounds emitted from building products and home decor - Test chamber method

GB/T 29592-2013Building adhesives can produce volatile organic compounds（VOC）Method for determining the release of aldehydes and aldehyde compounds

four Main technical parameters

①volume:（1 ± 0.02）m³；

②Temperature adjustable range:（15～50）℃Accuracy:± 0.5℃Resolution:0.1 ℃；

③Adjustable range of relative humidity:（30～80）% RHAccuracy:± 3% RHResolution:0.1% RH；

④Air velocity:（0.1～0.3）m/sAccuracy:± 0.05 m/s；

⑤Air exchange rate:（20% -200%）/ h.

⑥ Background concentration:a）Formaldehyde background value: ≤0.006 mg/m³；

b）Single itemVOCBackground value:≤0.002 mg/m³；

c）TVOCBackground value:≤0.02 mg/m³.

five Equipment structure

1. Box Structure

Studio size:（1 ± 0.02）m³

Shell:1.5MMCold rolled steel plate electrostatic spraying

Insulation layer:High quality extruded polystyrene board with excellent insulation performance

Inner surface:1.2mm SUS304Mirror stainless steel, fully welded and polished

2. Equipment composition

Gas supply equipment: Electromagnetic compression air pump, system independent control

Filtering and purification system: Multiple air purification devices ensure the cleanliness of the air required for testing

Circulating system: All metal blade axial flow fan drives air circulation in the air duct, ensuring fast and efficient temperature conduction

Refrigeration system: thermostat

Heating system: air conditioning apparatus

Humidification system: Humidity control device

Dehumidification system: Humidity control device

Control system: Touch Screen+PLC+Electronic devices

Remote control system: Internet of Things module (via)WEBOr mobile phoneAPPRemote access and control devices

Alarm protection system: power overload protection, system over temperature protection, humidification water shortage alarm, frequency converter fault alarm, compressor overload protection, heating tube short circuit protection

Calibration rack: Temperature, humidity, and wind speed calibration rack

six Control instructions

1. Control system: using Siemens LCD touch screen+PLCAfter setting temperature, relative humidity and other parameters through the LCD screen, the control system of the device realizes automatic operation, real-time curve display, historical data saving, browsing, exporting and other functions.

2. Temperature control: The temperature control method adopts an air jacket structure, which controls the temperature of the circulating air in the air channel by controlling heating and cooling. The heat exchange area is large, the response is fast, and the temperature control is uniform, thus achieving rapid control of the temperature inside the working box.

3. Humidity control: Directly control the humidity inside the workspace by controlling the dehumidification and steam humidification devices of the air. This dry to wet ratio control method can significantly reduce the equilibrium time of humidity compared to dew point control method.

4. Background concentration control: Multiple air filtration and purification systems efficiently remove pollutants released from gas supply and samples, ensuring that the background concentration meets testing requirements. The purification module can be quickly disassembled and replaced.

5. Alarm protection system: The system can achieve comprehensive safety protection systems such as over temperature protection, refrigeration compressor overload protection, water tank water shortage alarm, frequency converter fault alarm, power overcurrent, short circuit protection, etc., to ensure reliable operation of the system.