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Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber

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    Specification

    1. Commodity

    1.1 Commodity

    1.2 Model

    High and low temperature damp heat   explosion-proof test chamber

    STT-216C

    2. Purpose and description

    2.1 Scope of application

    This equipment is suitable for   conducting environmental simulation reliability tests such as high and low   temperature constant and gradual changes, and damp heat tests on various   electrical and electronic products and other products, components, and materials.

    Other uses may cause personal injury   and equipment damage!

    2.2 Sample limit

    1. Test and storage of flammable,   explosive, and volatile substance samples

    2. Testing and storage of corrosive   substance samples and biological samples for testing or storage

    3. Test and storage of strong   electromagnetic emission source samples

    3. Volume and size

    3.1 Accumulated volume

    About 216L

    3.2 Inner box size

    W (width) 600 mm * H (height) 600 mm * D (depth) 600 mm

    3.3 Outer box size

    W (width) 850mm * H (height) 1750mm * D (depth) 1550mm

    Reminder: The external dimensions should be confirmed according   to the final design and the three-view drawing shall prevail!

    4. Performance (the following indicators are the performance   under no load)

    4.1 Condition requirements

    Ambient temperature 10℃-28℃, when no load (high ambient   temperature will affect the cooling effect)

    4.2 Temperature range

    Temperature: -40℃ to +150℃

    4.4 Temperature fluctuation

    Temperature fluctuation: ±0.5℃

    4.5 Temperature deviation

    Temperature: ≤±1℃ (the average temperature displayed by the   workroom temperature controller minus the average temperature measured at the   center point)

    4.6 Temperature uniformity

    ≤2℃ (temperature uniformity is the arithmetic mean of the   difference between the highest and lowest measured temperatures in each test)

    4.7 Temperature alternating ability

    The temperature rise   rate is from 0℃~+100℃≥1℃/min, with average non-linearity throughout the   process and no load

    The cooling rate is   from +20℃ to -40℃, ≥1℃/min, with average non-linearity throughout the   process, no load

    4.8 Wind speed

    The wind speed on the surface of the   test sample is ≤0.6m/s (measured at 4 points on the middle layer of the box),   and the device width direction is vertical.

    Place 2 samples directly.The top   orifice plate of the box provides air.

    4.9 Load

    Mainly used for battery module and   cell testing, with a maximum load weight of no more than 100 kg.

    The overall dimensions of the sample belt   clamp are not more than: 400mm x 200mm×150mm (W*D*H), with two samples placed   vertically in the width direction inside the box.

    4.10 Noise

    Noise ≤ 65dB (measured in a soundproof   room with an ambient temperature of 25°C and low echo; using A weighting, the   average value of 8 test points was tested; each test point was 1 meter   horizontally from the noise source and 1 meter above the ground).

    Noise reduction scheme:

    1. The main noise source, such as the   compressor, is equipped with a damping spring, which can reduce noise and   reduce the damage factor caused by vibration to the equipment, extending the   service life of the equipment.

    2. The inner wall of the refrigeration   unit is fitted with high-quality thickened sound-absorbing cotton, which can   effectively reduce the noise effect of the refrigeration unit.

    3. The compressor and the pipeline are   connected with standard vibration-absorbing hoses.

    4.11 Power consumption

    This   mechanism cooling system uses cold balance technology control, PID control of   solenoid valve switch control of refrigerant flow to control cooling capacity   according to the temperature demand inside the box, achieving the effect of   cooling without heating and heating without cooling.

    4.12 Meet the test standards

    1. GB2423.1-2008/IEC6008-2-1-2007 Environmental   Testing for Electric and Electronic Products - Part 2: Test Methods - Test A:   Low Temperature

    2. GB/T 2423.2-2008 Environmental Testing for   Electric and Electronic Products - Part 2: Test Methods - Test B: High   Temperature

    3. GJB150.3A-2009 High Temperature Test Method

    4. GJB150.4A-2009 Low Temperature Test Method

    5. GB2423.22-2008 Environmental Testing for   Electric and Electronic Products - Part 2: Test Methods - Test Nb:   Temperature Change at a Specified Rate of Temperature Change

    6. GB/T 10589-2008 Technical Conditions for Low   Temperature Test Chamber

    7. GB/T10592-2008 Technical Specifications for   High and Low Temperature Test Chamber

    8. GB/T11158-2008 Technical Specifications for   High Temperature Test Chamber

    9. GB/T5170.18-2005 Verification Method for Basic   Parameters of Test Equipment

    5. Structural part

    Remarks

    5.1 Structural Features

    The design of this equipment adopts functional module design,   with the main circuit, freezing configuration, and water system placed   independently in functional sections (including dust-proof and heat   dissipation design for the circuit space) to achieve isolation between the   water circuit, circuit, and freezing system, making the system safer and more   reliable.

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 1

    5.2 Structural materials and processes

    Outer box: material: cold-rolled steel plate 1.2mm thick,   painted (shell RAL7024 gray, door RAL9003 white)

    Inner box: SUS304 stainless steel 1.0mm seamless welding forming

    The cover plate of the circuit and freezing parts adopts a key   switch design for convenient maintenance and repair

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 2

    5.3 Thermal insulation envelope   structure

    High temperature resistant insulation material: rigid   polyurethane foam, layer thickness: 100mm


    5.4 Air conditioning channel

    Built in air chamber, circulating air duct and   stainless steel circulating fan, the wind blows out evenly from the top   through the top back leaf window and diffuser, and the temperature in the   mixing chamber is distributed to the test space, so as to achieve the purpose   of uniform temperature control

    5.5 Observation window

    Observation window: one transparent electrothermal film hollow   tempered glass (located on the door),

    It is equipped with a 3-layer vacuum large glass observation   window with heat-generating anti-perspiration,

    Visible range: W300mm×H400mm;including the range of the   illuminating lamp.There is an explosion-proof net inside

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 3

    5.6 door

    Single door (explosion-proof   chains with a diameter of 8mm are installed at the four corners of the door,   with a buffer tensile strength of 12MPa. There are 4 explosion-proof chains   per floor, and 8 explosion-proof chains for each device)

    explosion-proof handle

    Vacuum automatic defogging   transparent window

    window lamp

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 4

    5.7 Control panel

    External embedded touch screen for better   screen protection


    5.8 Casters

    Fuma caster

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 5

    5.9 Door handle

    Thickened door handle, designed for   easier operation, with lock

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 6

    5.10 External communication port

    RJ45 interface and USB interface

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 7

    5.11 Test Hole

    There are 2 units on each side of the machine, 100mm apart.

    The test port is integrated with the mold for better sealing and   easier operation

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 8

    5.12 Product placement rack

    Using 304# stainless steel punching   and bending into a mesh, the spacing between material racks can be adjusted.   The standard configuration is 1 piece per layer, with a uniform load capacity   of 100KG per layer. Each layer is also equipped with 1 piece of epoxy   insulation board


    5.13 Water inlet

    Water inlet

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 9

    6. Circuit system and main components

    Remarks

    6.1 Power distribution process

    According to GB7251, GB2681, GB/T2682, GB50171, GB50256, and in   combination with the actual situation of the company and equipment, the   primary and secondary installation and wiring of electrical equipment should   meet the design control requirements, be tidy and beautiful, and be   convenient for inspection.

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 10 Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 11

    6.2 Power switch


    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 12

    6.3 Weak current power supply circuit

    Switching power supply

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 13

    6.4 Load circuit

    AC contactor

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 14

    6.5 Sensor

    PT100 platinum resistance is an electrical sensor

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 15

    6.6 Temperature and humidity control circuit

    Solid State Relay (SSR)

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 16

    6.7 Safety protection circuit

    air switch

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 17

    7. Air supply temperature measurement   system and various safety alarms

    Remarks

    7.1 Air supply mode

    Centrifugal fan, with adjustable side guide vane, can be   adjusted from top to bottom

    7.2 Circulating motor

    Low-voltage asynchronous high-temperature long-axis motor

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 18

    7.3 Wind wheel

    Multi-wing centrifugal circulating fan, strengthened shaft, high   and low temperature resistant rotating blade made of aluminum alloy

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 19

    7.4 Smoke alarm device

    Each floor is equipped with a smoke alarm, installed on the top   of the equipment, with an external smoke alarm box that uses a pressure   differential inhalation sensor to detect gas inside the box. Once smoke is   detected, an alarm is immediately triggered to stop the machine, accompanied   by an audible and visual alarm.


    7.5 Sprinkler fire fighting system

    A 4-inch solid cone sprinkler is installed on the top of each   layer, with an external pipe diameter of 4-inch internal threads, which can   be connected to the user's tap water system for later user access to fire   water for water sprinkling and fire suppression


    7.6 Pressure relief valve

    A 120*120mm pressure relief hole is opened on the left side of   each layer, covered by a pressure relief door that opens in case of abnormal   pressure. The door is equipped with an explosion-proof chain with a diameter   of 8


    7.7 User power socket

    Two 5-hole power sockets (AC220V/10A) are reserved on the left   side of the equipment.


    8. Freezing system and main components

    Remarks

    8.1   Refrigeration method

    This system uses   mechanical compression refrigeration, consisting of a compressor, condenser,   expansion valve, and evaporator. The refrigerant boils at a pressure and   temperature lower than the temperature of the cooled object or fluid.The   compressor continuously pumps the vapor generated in the evaporator and   compresses it to condensation pressure, then sends it to the condenser, where   it is cooled and condensed at constant pressure under pressure. The heat   released by the refrigerant during cooling and condensation is transferred to   the cooling medium (usually water or air). The condensation temperature   corresponding to the condensation pressure must be higher than the   temperature of the cooling medium.The condensed liquid enters the evaporator   through an expansion valve or other throttling components

    The cooling medium of this equipment is air

     Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 20


    8.3 System process

    1) Gas shielded welding of oxygen-free copper   tube:

    This method avoids the damage caused by oxides on   the inner wall of copper pipes in traditional welding methods to the   refrigeration system and compressor.

    2) Vibration reduction measures:

    A) Compressor: spring damping, thickened and   reinforced chassis, to avoid chassis resonance

    B) Refrigeration system: optimize the piping path   to reduce bends.Set up accurate and reasonable fixing clamps to avoid   resonance in the pipeline.

    3) Heat preservation: using imported Folex CLASS0   high-quality insulation pipe to prevent condensation and reduce loss

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 21

    8.4 Compressor

    Fully enclosed low-noise compressors have lower energy   consumption, better cooling speed, and long service life

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 22

    8.5 Refrigerant

    Non-fluorine environmentally friendly HFC R404A (ozone depletion   index is 0)

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 23

    8.6 Condenser

    High-efficiency condenser for water pipes.

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 24

    8.7 Evaporator

    High-efficiency multi-stage evaporator with hydrophilic film   fins (thickened fin type)

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 25

    8.8 Freezing pipeline switch

    The battery valve Sagamiya can be switched on and off for 5   million times

     

     

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 26

    8.9 Throttling device

    Thermostatic expansion valve

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 27

    8.11 Other accessories

    All are high-quality products of international first-line brands   (right: dry filter)

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 28

    9. Heating and humidifying system and main components

    Remarks

    9.1 Heating system

    electric heating

    Temperature control method: The controller PID controls the heat   output of the heating tube through a solid-state relay (contactless periodic   pulse switch) to stabilize the temperature (dry bulb temperature)


    9.2 Heating tube

    Finned nickel-chromium alloy electric heating tube

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 29

    9.3 Water replenishment of gauze tank

    Using calculation to quantitatively supplement water according   to different temperature and humidity conditions, reducing the impact of the   water supply system on humidity, and displaying humidity more quickly and   accurately

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 30

    9.4 Humidification system

    Shallow water tray humidification (built-in humidification   tray), fast humidification speed, high control accuracy, easy to clean.

    Humidity control method: The controller PID controls the heat   output of the humidification tube through a solid-state relay (contactless   periodic pulse switch) to stabilize the humidity (wet bulb temperature).

     Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 31

    9.5 Humidification tube

    The humidification tube is made of fully stainless steel   seamless casing, with an insulation resistance greater than 50MΩ and an   anti-dry-burning controller

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 32

    9.6 Rear water tank

    Convenient for maintenance, capacity 10 liters

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 33

    9.7 Water filtration system

    RO membrane

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 34


    9.8 Water replenishment device

    Automatic water replenishment for gauze tank and humidification   tray

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 35

    10. Controller (using Kunlun Tongtai screen + Q1-TEST   self-developed controller)

    Remarks

    10.1 Control mode

    High-precision resistive touch screen + QV.1 temperature control   module.

     


     Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 36

    10.2 Display

    7-inch TFT true color LCD display.(Resolution 800*480)

    10.3 Input

    2 sets of inputs, supporting PT100 thermocouple T, K, E, etc.

    10.4 Precision

    0.1 high-precision sampling

    10.5 System capacity

    50 sets of programs * 50 segments (can be cycled 999 times   respectively), the number of segments required for each set of programs can   be arbitrarily divided, and each set of programs can be freely linked to each   other (up to 10 steps of linking)

    10.6 Operating mode

    Fixed value (slope)/program operation mode

    10.7 Output mode

     PID+SSR/SCR automatic   forward and reverse synchronous output

    10.8 Software function

    Interface types   supported:

    RJ-45 Ethernet   interface (TCP/IP MODBUS RTU)

    RS-485 interface   (optional)

    It has local and   remote communication functions and can connect up to 16 devices   simultaneously

    Function:

    Remote   monitoring/setting (fixed value, program)/operation, fault alarm, timing   setting, curve recording/display

    Compatible   systems:

    English,   simplified or traditional Chinese Windows 7, Windows 8 (32-bit/64-bit),   Windows 10 (32-bit/64-bit)


    11. Protection function

    Remarks

    11.1 Standard configuration

    1. Test sample overtemperature protection (independent)


    2. The main power supply is equipped with a leakage protection   circuit breaker switch


    3. Heater overtemperature protection switch

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 37

    4. Compressor overload and overheat

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 38

    5. Compressor high pressure protection

    Sinowon STT-216C High and low temperature damp heat explosion-proof test chamber 39

    6. System overcurrent protection


    7. Water shortage protection


    12. Other components

    Remarks

    12.1 Optional accessories



    12.2 Shipping and acceptance data

    1. Operation manual and maintenance manual

    2. Control system software and software data

    3. Equipment drawings: circuit diagrams, etc.

    4. This equipment has been tested by our company's quality   inspection center before leaving the factory, and an inspection report with a   valid period of one year has been issued

    5. Acceptance form, etc.

    6. Control linkage protocol


    13. Installation conditions for use

    Remarks

    13.1. Equipment operating environment

    1. Ambient temperature: 5℃-35℃

    Relative humidity: not more than 85%R.H

    3. Atmospheric pressure: 80kPa~106kPa

    4. Flat and vibration-free ground;

    5. Choose a well-ventilated area without direct sunlight or   other direct radiation sources;

    6. There is no strong airflow around: When the surrounding air   needs to be forced to flow, the airflow should not directly blow onto the   box;

    7. There is no strong electromagnetic field around;

    8. There is no high concentration of dust or corrosive   substances around

    13.2. Use power voltage single layer

    1. Connect to the power supply 380V AC (±10%)

    Three-phase four-wire + protective ground wire, grounding   resistance ≤4Ω;

    The power switch uses a 3P 32 A air switch

    2. Maximum power of the machine: about 5 KW. The machine adopts   energy-saving design, and the operating power is about 1.5 KW/H when the   temperature is constant.Single unit

    3. Maximum operating current: about 15 A (single unit)

    4. Power frequency: 50±0.5Hz

    Please note that the   customer should lead the main power cable within 3 meters of the equipment!

    13.3. Test product placement

    Products placed on the same horizontal plane cannot cover more   than two-thirds of the area, and cannot block the air outlet and return air   inlet (at least 10cm away from the air outlet and return air inlet)


    14. After-sales service                   

    Remarks

    14.1

    Free training for   customers' operators and maintenance personnel (at the company's or   customer's location).

    The warranty period of the   equipment shall be effective from the date of acceptance for a period of   three years.

    During the warranty period,   the seller is responsible for free repair or replacement of accessories for   any malfunction of the equipment caused by non-human operation.

    Outside the warranty   period, the cost of replacing parts and certain service fees will be charged   for the repair of the equipment.


    15. Equipment daily maintenance                  

    Remarks

    15.1. Executive standards

    Regularly clean the water system (humidifying water cup,   humidifying water tank, water tank, pipeline) to prevent long-term water   quality dirt from hindering water flow and causing malfunction.

    2. If the equipment is not used for a long time, the water   should be drained completely.

    Regularly clean the dust on the condenser and compressor to   prevent dust from affecting the cooling effect of the condenser.

    4. If the equipment is not used for a long time, please check   the absorbency of the gauze before using it again.



     

    List of main materials

    Name

     Brand

    Specification (W*H*D)

     Place of Origin

     Quantity

     Remarks

    A.   Structural part

    box body

    Q1-TEST

    integrated type

    China

    1


    air conditioning box

    Q1-TEST

    stainless steel

    China

    1


    Unit and control box

    Q1-TEST

    Cold-rolled steel plate paint

    China

    1


    single-door

    Q1-TEST

    stainless steel and iron plate

    China

    1


    cycle motor

    Mitsukoshi

    90W

    China

    3


    B. Refrigeration part

    compressor, compressor

    Taikang or Sanyo

    completely dense

    France or Japan

    2


    condenser

    Yongqiang

    barrel type

    China

    1


    evaporator

    Aojia

    6/8 fin type

    China

    1


    oil separator

    Emerson

    AW series

    Mexico

    1


    a desiccator

    Danfoss

    DML

    Denmark

    2


    solenoid valve

    Lugong Temple

    SEV/EVR

    Japan

    6


    Expansion valve

    Danfoss

    TES

    Denmark

    2


    Evaporation pressure regulating valve

    Danfoss

     KVP

    Denmark

    1


    Refrigerant and consumables

    Du Pont

    R404A 

    United States

    2


    C Control part

    controller, control unit

    Q1-TETS

    V.01

    China

    1


    phase sequence protector

    ZHNT

    NJB1-X

    China

    1


    Switching power supply

    DELTA

    DC24V2.1A

    Taiwan, China

    1


    sensor device

    Min Yang

    PT100

    Taiwan, China

    3


    Power switch

    ZHNT

    3P 32A

    China

    1


    contactors

    ABB

    NW-25

    Germany

    4


    Heating tube

    wade

    Finned nickel-chromium alloy

    China

    2


    Solid-state relay

    Yu Electric

    SSR

    China

    2


    Cable

    Jin Longyu

    0.75*6

    China

    1


    The above accessories are for reference only, and no further   notice will be given if they are replaced


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