快速温度变化试验箱技术参数
1. Product Name | Fast temperature change test box |
2. Product model | QC-KWB-225L |
3. Test sample limitation | This test equipment prohibits: ①Test or storage of samples of flammable, explosive and volatile substances ②Test or storage of corrosive material samples ③Test or storage of biological samples ④Test or storage of strong electromagnetic emission source samples |
4. Volume, Dimension, and Weight | |
4.1. Nominal Content product | 225L |
4.2. Internal-type dimensions | W500*H750*D60mm |
4.3. External dimensons | W850*H1900*D2200mm |
4.4. Weight | About 350㎏ |
5. Performance | |
5.1. Test environment conditions 5.2. Test method | When the ambient temperature is +25℃, the relative humidity is ≤85%, and there is no sample in the test box GB/T 5170.2-1996 temperature test equipment, GB/T2423.2-2008 (IEC60068-2-2:2007) high temperature test method Bb GJB150.3-1986 high temperature test GB/T2423.1-2008 (IEC60068-2-1:2007) Low temperature test method Ab GJB150.4-1986 low temperature test GJB150.9-1986 thermal test GB/T2423.3-2006 (IEC60068-2-78:2007) Constant damp heat test method Cab GB/T2423.4-2008 (IEC60068-2-30:2005) Alternating damp heat test method Db |
5.3. Temperature range | -70℃→+150℃ non-linear temperature range Linear rapid temperature change range (-40℃→+85℃ meets 20℃/min) |
5.4. Temperature fluctuation | ±0.2℃ |
5.5. Temperature deviation | ±2.0℃ |
5.6. Heating time | -40℃→+85℃ linear (satisfying linear 20℃/min) |
5.7. Cool down time | +85℃→-40℃ linear (satisfying linear 20℃/min) |
5.8. Load situation | No load |
5.9. Working noise | A sound level≤70dB(A) (Measured in a soundproof room with an ambient temperature of 25℃ and less echo; A weighting is used to test the average value of 8 points; each test point is 1 meter from the noise source and 1 meter from the ground) |
5.10. Meet the test standards | ①GB/T 2423.1-2001 Test A: Low temperature test method ②GB/T 2423.2-2001 Test B: High temperature test method ③GJB 150.3-1986 high temperature test ④GJB 150.4-1986 low temperature test ⑤IEC68-2-1 Test A: Cold. ⑥GB 11158 "Technical Conditions of High Temperature Test Chamber" ⑦GB/T 2423.2 "Basic environmental testing procedures for electrical and electronic products, Test B: High-temperature test methods". |
6. Structural Features | |
6.1.Thermal insulation and enclosure structure
| ①Outer wall material: cold-rolled steel plate with electrostatic double-sided plastic spraying ②Inner wall material: stainless steel plate SUS﹟304. ③Box insulation material: 100mm high temperature resistant rigid polyurethane foam. ④ Box door insulation material: 100mm high temperature resistant rigid polyurethane foam. |
6.2. Base structural strength | The weight of the track at the bottom of the test box: ≤100Kg/m² (load), the bottom plate of the studio is welded with 4mm channel steel as a whole。 |
6.3. Air conditioning channel | ① Stainless steel long shaft centrifugal fan: 2 units/370W. ②Fan, heater, evaporator (also dehumidifier), drainage device, pressure balance port, adjustable wind deflector, temperature sensor |
6.3. Air conditioning channel | ① Windows 300x450x40mm 3-layer vacuum tempered glass. ②Flat embedded handle, ③Door hinge: SUS #304 imported hinge ④Energy-saving lamp in the box: Sanxiong laser LED lamp / 11W ⑤ Lead hole: φ50mm 1 (with 1 rubber plug)
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6.5. Box door
| ① Single-piece door, open outwards, hinge on the left and handle on the right (when facing the front of the box). ② Equipped with a safety door locking mechanism (the door can be opened in the test room), the door is distributed with heat to prevent condensation, the viewing area of the hollow glass observation window is about (W380×H620mm), and the box needs to be equipped with an electric heating anti-condensation (W380xH620mm) ) Door frame anti-condensation electric heating device The installation direction of the door: the door is installed in the middle of the side facing the adjustment channel |
6.6. Control panel | Imported Korean ternary controller (TEMI2700) display screen, temperature (humidity) control display screen, equipment timer (0～99999 hours, non-resettable), over-temperature protection setting device, emergency stop switch, operation indicator , Fault indicator, buzzer, USB interface, with USB function to download curves and data. |
6.7. Mechanical Room | Refrigeration unit, compressor water tray, pressure discharge device, heating device, spare sample test power supply |
6.8. Distribution cabinet | Power distribution board, cooling fan, main power switch, device IO board, machine tool transformer, ballast, intermediate relay, time relay, solid state relay, AC contactor, thermal relay, fuse, circuit breaker |
6.9. Heater | ①Finned radiator tube-shaped stainless steel electric heater ② Thermal control mode: SSR (solid state relay) non-contact period pulse width adjustment ③ Heat power: about 10.0KW |
6.10. Power line holes and drainage hole | Located on the back of the box |
7. 制冷系统 | |
7.1. 冷热装置 |
① German Bitzer high-efficiency power-saving ultra-low temperature refrigeration system (Water-cooled heat dissipation method).
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7.2. 冷热交换装置 | Two-stage refrigeration system, 2 Bitzer semi-hermetic compressors. Mining ultra-high efficiency SWEP cold coal cold and heat exchange design [Made in Sweden (sus#316)], higher efficiency than traditional internal spiral . |
7.3. Heating load adjustment | ①Using automatic adjustment of cold coal flow device, effectively take away the heat load of the product under test and German/Japanese technology Synchronization. ②Compared with the traditional design, it has higher control stability and reproducibility, and achieves super-efficiency of power saving and more energy saving. |
7.4. Refrigeration compressor | German Bitzer semi-hermetic compressor |
7.5. High efficiency components | ①The condenser and evaporator adopt AC&R compound spoiler aluminum fin device. ②The throttling device adopts imported famous refrigeration accessories. |
7.6. Expansion system： | Capacity control refrigeration system (capillary tube). |
7.6. Expansion system: | Stainless steel brazed plate heat exchanger. |
7.8. cooler control mode | ① The controller of the control system automatically adjusts the operating conditions of the refrigerator according to the test conditions. ②Evaporation pressure regulating valve. ③Compressor return air cooling circuit ② The refrigerating machine system is designed with shock-absorbing tubes and other measures to reduce vibration and noise |
7.8. cooler control mode | Honeywell R404a (ozone depletion index is 0) / imported R23 environmentally friendly refrigerant |
7.10. Evaporation pressure valve | Imported from Japan's Saginomiya, the low-humidity test and high-humidity test can ensure that the evaporator will not be frosted and cause cooling failures during long-term operation. |
8. Electrical control system | |
a) Controller model | Imported Korean ternary controller (TEMI2700) programmable temperature controller |
b) Controller specifications | Technical index: 1. 7 inch true color touch screen 2. Two control methods: program/fixed value 3. Sensor type: two PT100 inputs (optional electronic sensor input) 4. Output mode: voltage pulse (SSR) / control output: 2 (temperature/humidity) / 2 4-20mA analog output / 16 relay output (passive) 5. Control signal: 8 IS control signals/8 T control signals/4 AL control signals 6. Alarm signal: 16 DI external obstacle alarm 7. Temperature measurement range: -90.00℃--200.00℃, (optional -90.00℃--300.00℃) error ±0.2℃; 9. Communication interface: (RS232/RS485, the longest communication distance is 1.2km [optical fiber up to 30km]); 10. Interface language type: Chinese/English 11. With Chinese character input function; 12. Can bring printer (USB function is optional); 13. Multiple signal combination relay output, the signal can be logically operated (NOT, AND, OR, NOR, XOR), Referred to as PLC programming ability; 14. Diversified relay control methods: parameter->relay mode, relay->parameter mode, logical combination Mode, composite signal mode; 15. Program editing: 120 groups of programs can be edited, each group of programs can be edited up to 100 segments; 16. With network function, IP address can be set; 17. The instrument can be remotely controlled; 18. The product display is clear and intuitive, with strong three-dimensional impression, flexible and convenient operation of the programmable control system, stable performance, and more efficient work;
specification: Dimensions: 205 × 146 ×43 (mm) (length × width × depth) Installation opening size: 175 × 175 (mm) (length × width) TFT resolution: 800×480 64K colors. |
7.3控制器技术参数 | Accuracy: temperature ±0.1℃＋1digit, humidity ±1%R.H＋1digit Resolution: temperature ±0.01℃, humidity ±0.1%R.H. Temperature slope: 0.1～9.9 can be set. With upper and lower limit standby and alarm functions. Temperature and humidity input signal dry and wet bulb PT100x2. 9 groups of P.I.D control parameter settings, P.I.D automatic calculation. Dry and wet bulb automatic correction screen |
7.4 Control mode | ① Anti-integral saturation PID ②BTC balance temperature control method + DCC intelligent cooling capacity control + DEC intelligent electrical control (temperature test equipment) ③BTHC balance temperature and humidity control mode + DCC intelligent cooling capacity control + DEC intelligent electrical control (temperature and humidity test equipment) |
7.4 Picture display function | It adopts screen dialogue mode, no key input is required, and the screen directly touches the options. The temperature setting (SV) and actual (PV) values are directly displayed. It can display the currently executing program number, segment number, remaining time and cycle number. Running cumulative time function. The temperature program setting value is displayed in a graphic curve, with a real-time display program curve execution function. With a separate program editing screen, at least 5 segments of temperature, humidity and time can be entered on each page. Chinese and English can be switched at will. The fault prompt screen is displayed. The screen can be adjusted for backlight. The screen display protection function can be set for timing, TIMER or manual shutdown. |
7.5 Capacity and control function | Program groups that can be used: 120 PATTEN at most. Usable memory capacity: 12000 SEGMENTS in total. Commands can be executed repeatedly: each command can be up to 3200 times. The production of the program adopts the dialogue style, with editing, clearing, inserting and other functions. SEGMENTS time setting is 0～99Hour59Min. Programmable timing control module device x2 group. With power-off program memory, it will automatically start and continue to execute the program after power is restored. With RS-485 or RS-232 communication interface. With USB interface function. The graph curve can be displayed in real time when the program is executed. It has the function of automatically adjusting the freezing capacity. With scheduled startup and shutdown functions. With date and time adjustment functions. Button and screen lock (LOCK) function. |
③ 安全保护装置 | |
a) refrigeration system | Compressor overheating Compressor overcurrent Compressor overpressure Condensate tower motor overheated |
a) refrigeration system | Adjustable over-temperature protection device Air conditioning channel limit over temperature Fan motor is overheated |
c) Others | Total power phase sequence and phase loss protection Leakage Protection No air drying protection for heating tube Overload and short circuit protection Power failure protection Low water pressure protection |
④ Other special instructions | |
a) Power cable | Five-core (three-phase two-wire + protective ground wire) cable 4 meters 1 (can be provided according to customer requirements) |
b) Lead hole | 1 lead hole with rubber plug, diameter φ50mm specification, its position and quantity can be customized according to user requirements under the condition that the box structure allows and does not affect the performance |
10.12. USB interface | Download curves and data at any time。 |
10.13. Remote control | Local area network monitoring system (optional） |
⑤ Transportation | Car packaging and transportation |
⑥ Conditions of Use | The following conditions |
a) Installation site | The ground is level and well ventilated No strong vibration around the equipment There is no strong electromagnetic field around the equipment No flammable, explosive, corrosive substances and dust around the equipment Leave proper use and maintenance space around the equipment, |
b) 环境条件 | ① Temperature: 5℃～35℃ ②Relative humidity: ≤85% ③Air pressure: 86kPa～106kPa |
c) Circulating cooling water Water temperature and water pressure flow pipe connector
other | Circulating cooling water temperature: ≤+30℃
Circulating cooling water supply pressure: 0.25MPa～0.4MPa; the design and construction of the cooling water pipeline system should ensure that the pressure at the inlet of the refrigerator is 0.25MPa～0.4MPa under the rated flow, and the pressure drop from the outlet of the refrigerator to the cooling water tower is not more than 0.05 MPa, the water flow rate is 7t/h. The equipment outlet water and water inlet pipe diameter size is: 3 inches of iron water pipes with external teeth. A circulating water pump is required to be installed between the connection between the equipment and the water tower. The configuration of the water pump is related to the installation distance of the water tower. Comply with GB 50050-1995 industrial circulating cooling water treatment design regulations
Tap water can be used for external water supply. |
d) Power supply conditions power supply
battery capacity Maximum current switch | AC380V three-phase four-wire + protective ground wire Allowable voltage fluctuation range: AC (380±38) V Allowable frequency fluctuation range: (50±0.5) Hz The grounding resistance of the protective earth wire is less than 4Ω The user is required to configure an air or power switch of the corresponding capacity for the equipment at the installation site, and this switch must be independent for the use of the equipment About 30kW 100A 100A (plastic case leakage protector) |
e) Requirements for storage environment | When the equipment is not working, the temperature of the environment should be kept within 0℃～+45℃ When the ambient temperature is lower than 0°C, the water remaining in the equipment should be drained clean to prevent the water in the pipeline from freezing and damaging the pipeline (except for air-cooled machines) |
Parts configuration list
The following main components are all international high-quality brand products, which are commonly used accessories for high-quality large-scale rapid temperature change environmental test equipment. (All authentic products are used, and the reliability and stability of the entire test equipment are absolutely guaranteed.)
序号 | Name: | Origbrand | Remarks |
1 | Controller (including R232 communication and software) | South Korean Sanyuan | custom made |
2 | AC contactor | Mr Schneider | custom made |
3 | Thermal relay | Mr Schneider | custom made |
4 | Intermediate relay | Mr Schneider | custom made |
5 | Time relay | Taiwan CKC | custom made |
5 | DC switch power supply | Ming wei, Taiwan | custom made |
6 | Underverse successive appliances | Taiwan AVN | custom made |
7 | Overtemperature protection | South Korea, RAINBOW | custom made |
8 | SSR | Taiwan Shi Research | custom made |
9 | Temperature sensor | Taiwan One | custom made |
10 | Lighting lamp | Philips | custom made |
11 | Signal indicator lamp | Taiwan TEND | custom made |
12 | Flash buzzer | Shanghai Tianyi City | custom made |
13 | Control transformer | Tianzheng | custom made |
14 | Electric leakage protector | Snyder | custom made |
15 | Snyder | Snyder | custom made |
16 | Heater (heating) | Taiwan Longxing | custom made |
17 | Cycle air fan | Taiwan Sanyue Motor | custom made |
18 | Wind-wheel | Taiwan Shangyu | custom made |
22 | Anti-sweat-prevention line | Taiwan GOOLMAX | custom made |
23 | Multi-layer vacuum glass window | Hong Kong Qingung | custom made |
24 | High-temperature line | China Tiantian Thailand | custom made |
25 | Wire and Cable | China Tiantian Thailand | custom made |
26 | Compressor: | Bizel | custom made |
27 | Condenser | Taiwan Zhongli Refrigeration | custom made |
28 | Condensate tower | Taiwan opportunity | custom made |
29 | Taiwan opportunity | Denvers, Denmark | custom made |
30 | Expansion valve | Denvers, Denmark | custom made |
31 | Expansion valve | Japanese Heron Palace | custom made |
32 | Japanese Heron Palace | Japanese Heron Palace | custom made |
33 | Japanese Heron Palace | Japanese Heron Palace | custom made |
34 | Freeilled oil | British Ice Bear | custom made |
35 | Oil separator | Emerson | custom made |
36 | Flow regulating device | Emerson | custom made |
37 | Flow regulating device | Denvers, Denmark | custom made |
38 | Process valve | Denvers, Denmark | custom made |
39 | Plate-type heat exchanger | Denvers, Denmark | custom made |
40 | Circulating wter pump | Taiwan SanYue | custom made |
After-sales service commitment:
Provide users with the necessary use and maintenance consultation;
Provide users with vulnerable parts and spare parts in a timely manner;
Send technicians to provide on-site guidance for users on the use and maintenance of their equipment;
During the quality assurance period from the date of delivery, if the purchaser complies with the storage, use and installation rules, if the test box fails to work normally due to the quality of the test box, the supplier will dispatch maintenance personnel within 12 hours after receiving the notice Free on-site maintenance;
Purpose: Fully meet customer needs and achieve customer satisfaction.
Responsibilities: Provide customers with equipment spare parts, spare parts and related technical information. Responsible for arranging and organizing technical training for customers.
Training: Provide users with free on-site operation and maintenance technical training, so that customers can understand the performance of the equipment, teach them to use and maintain the equipment correctly, and avoid malfunctions caused by improper use.
On-site installation and commissioning
Installation: The seller shall be responsible for the installation of all equipment provided in the contract. The buyer shall send technicians to assist in the installation of the entire equipment. During the installation process, the buyer’s personnel shall provide necessary assistance in time.
On-site debugging: within two weeks after the equipment arrives at the buyer’s site and the buyer informs the seller, the seller is responsible for the completion of the debugging, that is, the buyer’s normal use and contract requirements are met.
