Sinowon SDH-150 Altitude Test Chamber
Specification
1．Commodity: | |
Commodity Model | SDH-150L |
2．Capacity and Dimension | |
Nominal internal volume | 150L |
Internal dimensions External dimensions | W500xH600xD500 mm W1100xH1700xD1600 mm |
3.Performance index | |
Test Environmental Conditions | When the ambient temperature is 5-35 ℃, the relative humidity is ≤ 85% RH, and the cooling water temperature is+25 degrees Celsius |
Cooling method | air-cooled |
Temperature range | -40℃ ～ +150℃ |
Pressure Range | Atmospheric pressure～40kPa |
Temperature rise and fall rate | The temperature rise rate from 20 ℃ to+85 ℃ is ≥ 2 ℃/min, with an average nonlinearity throughout the entire process, when unloaded The cooling rate from 20 ℃ to -50 ℃ is ≥ 1 ℃/min, with an average non-linear throughout the entire process, when unloaded |
Temperature fluctuation | ≤±0.5℃ | |||||||||||||
Temperature uniformity | ≤2.0℃ | |||||||||||||
Equivalent height of atmospheric pressure |
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Pressure deviation | ≤±5%(2～40kPa)； ≤±0.1kPa(≤2kPa) | |||||||||||||
Boost recovery rate | ≤10Kpa /min | |||||||||||||
Execution of test standards | GB/T2423.1-2001 Experiment A: Low temperature test method GB/T2423.2-2001 Experiment B: High temperature test method GB/T2423.21-1991 Test M: Low pressure test method GB/T2423.25 Test Z/AM: Low temperature/low pressure comprehensive test GB/T2423.26试验Z/BM：High temperature/low pressure comprehensive test GJB150.3-1986 High temperature test method GJB150.4-1986 Low temperature test method GJB360A Method 105：Low pressure test method GJB150.2-86 Low pressure (altitude) test | |||||||||||||
Design execution standards | GB/T10589-2008 Technical conditions for low-temperature test chambers GB/T11158-2008 Technical conditions for high-temperature test chambers GB/T11159-2008 Technical conditions for low air pressure test chambers | |||||||||||||
Verification standards | GB/T5170.2-2008 Temperature testing equipment GB/T5170.10-1996 High, low temperature, and low pressure testing equipment
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4. Structural configuration | ||||||||||||||
4.1 Pressure bearing box | A) Pressure bearing method: internal pressure bearing Using high-quality thickened stainless-steel plate SUS304 internal pressure box, the inner wall is smooth and flat all around, without burrs and pits, easy to clean, and there will be no water accumulation during use B) Outer wall material: double-sided galvanized steel plate, surface spray coating treatment C) Box insulation material: rigid polyurethane foam glass fiber (thickness greater than 80mm) D) Door insulation material: fiberglass E) All gaps have TIG (Tungsten Arc Inert Gas Shielded Welding) seamless welding completed | |||||||||||||
| 4.2 Pressure balancing device | Equipped with manual automatic pressure relief (boosting) device
1) Manual ball valve, located on the right side of the box (pressure increase speed depends on manual opening) 2) Automatic pressure relief valve: inside the rear unit | |||||||||||||
4.3 Pressure testing verification | 1 external pressure testing interface (on the right side of the box) | |||||||||||||
4.4 Door and Window | Single door, the inner panel is made of stainless steel, and the outer panel is made of spray coated steel plate. One insulated glass observation window with high load-bearing capacity and anti-condensation heat distribution on the door. Door frame backup anti condensation electric heating device | |||||||||||||
4.5 Illumination | Window built-in LED light | |||||||||||||
| 4.6 Internal and external wiring devices | Vacuum sealed aviation socket (optional accessory, see item 10) | |||||||||||||
| 4.7 Control panel | Bracket type touch screen controller (without panel) | |||||||||||||
4.8 Device movement method | This device is a fixed foot, please use a forklift to move it | |
5. Air Circulation System | ||
5.1 Air supply mode | Forced convection, upward blowing and downward return air method | |
5.2 Air supply device | Two sets of axial flow fans driven by three-phase asynchronous motors
By using an external motor and magnetohydrodynamic transmission, the rotating fan blades are driven to stir the air and form convection
A) All aluminum three-phase asynchronous motor, not less than 1/2HP, 370W
B) Aluminum axial flow fan blade: large diameter 400mm | |
5.3 Transmission sealing method | Magnetic fluid transmission A) Magnetic fluid seal, high vacuum 0.1Kpa level airtightness B) Water cooling method, equipped with dedicated temperature protection, reliable and stable | |
5.4 Temperature measurement control method | Air forced circulation balance temperature regulation method 1) Main temperature control: Precisely control the temperature inside the box, and the temperature measurement probe adopts A-level high-precision armored platinum resistor 2) Studio independent overtemperature protection temperature controller: The temperature probe is installed inside the studio, and the upper limit can be set. When the protection action is activated, the contactor is driven to disconnect the power supply of the heating tube 3) Heating tube chamber overtemperature protection: independent temperature controller, temperature probe installed in the heating tube chamber, upper limit can be set, Drive the contactor to disconnect the power supply of the heating tube during the protection action, in order to prevent the fan from stopping in case of abnormal conditions Long term "dry burning" of heating tubes | |
6. Vacuum system | ||
6.1 Pressure control method | Adopting dynamic pressure balance method. This method refers to controlling the output of the vacuum electromagnetic baffle valve through PID automatic calculation output based on the set pressure point under continuous operation of the vacuum system, adjusting the amount of air intake, and ultimately achieving a dynamic balance | |
| 6.2 vacuum pump | Direct connected air-cooled single-stage oil seal rotary vane vacuum pump A) The integrated high-quality oil mist filter effectively solves fuel injection and smoke, prolonging product life. B) The sealing element is made of fluor rubber material, providing corrosion resistance and solving the problem of oil leakage. C) Multi stage gas town design to meet the vacuum requirements and steam treatment capabilities of different customers. D) Japanese Mori Seiji horizontal machining center high-precision machining ensures high reliability of products. E) The pump and motor are designed as a whole, lighter and smaller | |
6.3 Electric proportional control ball valve | Controlled by the PID output signal of the controller, proportionally adjusting the size of the suction diameter opening, and high-precision controlling the vacuum degree inside the box | |
6.4 Main components of vacuum pipeline | The vacuum joint valve components are all made of high-quality domestic products in the system A) All stainless steel pipeline B) Standard stainless steel KF external connections and accessories C) Stainless steel KF vacuum corrugated flexible hose | |
6.5 Pressure sensor | Imported diffused silicon core | |
7. Refrigeration system | ||
Mechanical compression refrigeration method (water-cooled) | ||
7.2 Refrigeration energy-saving technology | Temperature balance method: Adopting static balance technology, namely the balance method of "cooling process without heating" and "heating process without cooling", it is different from the traditional dynamic balance technology of "cold and hot dynamic balance" of high-power refrigeration against high-power heating Technique, that is, when the compressor needs to be turned on (the central controller automatically determines whether to turn on the compressor based on the working conditions) The central controller adjusts the refrigerant flow rate according to different temperature points to control the cooling capacity, ensuring that the equipment operates in a relatively low power consumption state at all times Temperature balance method: Adopting static balance technology, namely the balance method of "cooling process without heating" and "heating process without cooling", it is different from the traditional dynamic balance technology of "cold and hot dynamic balance" of high-power refrigeration against high-power heating Technique, that is, when the compressor needs to be turned on (the central controller automatically determines whether to turn on the compressor based on the working conditions) The central controller adjusts the refrigerant flow rate according to different temperature points to control the cooling capacity, ensuring that the equipment operates in a relatively low power consumption state at all times | |
7.3 Refrigeration compressor | Two Tecumseh sealing compressors | |
7.4 Evaporator | Hydrophilic film finned copper aluminum heat exchanger | |
7.5 Condenser | Shell and tube water-cooled heat exchanger | |
7.6 Throttling device | Pulse regulated expansion valve | |
7.7 Refrigerant | R404A/R23（The ozone depletion index is all 0） | |
7.8 Welding technology | Adopting high-quality oxygen free copper pipes, nitrogen filled welding, and high pressure and leakage prevention processes to ensure welding quality | |
8. Controller | ||
8.1 Controller composition | High precision resistive touch screen+Q1-TESR temperature control module | |
8.2 Display | 7-inch TFT true color LCD display screen (Resolution 800 * 480) | |
8.3 Input | 2 sets of inputs, supporting dry ball PT100 and pressure transmitter | |
8.4 Resolution | Temperature 0.1 ℃; Pressure 0.1KPA | |
8.5 Capacity | 50 sets of programs * 50 segments (can be looped 999 times each), the number of segments required for each set of programs can be arbitrarily divided, and each set of programs can be freely connected to each other (up to 20 steps of connection) | |
8.6 Operation mode | Fixed value/program operation mode | |
8.7 Output | PID+SSR/SCR automatic forward and reverse bidirectional synchronous output | |
8.8 Software function | 1 set of programming control software system, with the main functions as follows: 1. Temperature and humidity curve: Paperless recording: Equipped with a built-in recording program, the controller's memory can store data for 24 hours and run for 300 days Can easily generate temperature and humidity curve files automatically and convert them into XLS tables; 2. Perfect interface:
External USB port: can be directly connected to the printer, enabling local data to be printed online,
It is easy to export historical curves and other data using a USB port and a USB flash drive.
External LAN standard network interface: Without the need for dedicated server configuration, it can be easily connected to the company's computer local area network. A maximum of 16 devices can be connected and monitored, making it convenient and fast. Equipped with RS-485 or RS232 standard communication interfaces, it can be controlled and managed online with computers Equipped with all Chinese upper computer software and providing communication protocols The upper computer acquisition program is written by the user, which includes protocols for opening temperature signals, various alarm and protection signals, and fault/shutdown status signals of the test box, in order to upload the temperature box temperature in real-time to the upper computer monitoring system. At the same time, a system fault and abnormal alarm digital node is provided. The upper computer monitoring system needs to collect the fault/shutdown signals of the test box, in order to achieve synchronous power-off between the sample and the temperature and humidity box through the main controller 3. Real time monitoring can achieve: simultaneously monitoring the operation status of 1-16 controllers, such as monitoring real-time data of controllers, signal point status, actual output status, etc Support remote (external) fault diagnosis: Technicians can leave ports through the network with the assistance of customers, open IE browser, enter the IP address of the controller, and enter the login interface to select operations or monitoring for diagnosis 4. Timing control Two sets of timing output control interfaces, paired with 10-time control modes, can provide switch signal output according to program settings. Note that it is only a control signal, and the test power supply inside the box needs to be separately connected and equipped with a dedicated power supply system 5. Fault display 16 sets of fault alarm outputs, with user-friendly prompts in both Chinese and English for the cause and troubleshooting methods | |
9.1 Device status indication | Standard three color lights | |
9.2 Heater | Nickel chromium alloy finned heater Heater control mode: contactless equal cycle pulse width modulation, SSR (solid-state relay) | |
9.3 Power Distribution cabinet | Independent sealed electrical cabinet, effectively dustproof, extends the service life of electrical appliances Protection level IP54 | |
10. Accessory | ||
10.1 standard configuration | 1. Sample rack type 2 2. Power cord 5 meters 3. State three color light type 1 | |
10.2 Optional | 1. Sample rack (can be added) 2. Sample wiring aviation socket (optional) | |
10.3 Shipping and acceptance documents | 1. Operation manual and maintenance manual 2. Certificate of conformity 3. Equipment related drawings (circuit diagrams, etc.)
4. Control system PC software 5. This equipment has been inspected by our company's quality inspection center before leaving the factory, and an inspection report with a validity period of one year has been issued | |
11. Operation Condition | ||
11.1 Ambient condition | 1. Environmental temperature: 5 ℃ -35 ℃; 2. Relative humidity: not more than 85% R H 3. Atmospheric pressure: 80kPa~106kPa 4. A flat and vibration free ground; 5. Choose well ventilated areas without direct sunlight or other heat sources; 6. 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 influence around; 8. There is no high concentration of dust or corrosive substances in the surrounding area | |
12. Power supply and cooling water | ||
12.1 Power specification: 5-wire type | 1. Connect the power supply to three-phase 380V AC (± 10%)+neutral wire+ protective ground wire, with a grounding resistance of ≤ 4 Ω; 2. Power frequency: 50 ± 0.5 Hz 3. Power switch: 3P 40 A (molded case circuit breaker) | |
Power： 12 kW Maximum Operating Current： 15 A | ||
12.3 Cooling water system | 1. It is recommended to choose a cooling water tower: 15 RT 2. Water pipe size: 1 inch, with a laying length of less than 10O meters. 3. Water pressure: 0.1MPa~0.3MPa 4. Circulating water volume: approximately 130 liters per minute 5. The water tower pipeline and installation engineering need to be quoted separately, and the buyer needs to provide relevant site information. | |
12.4 Equipment weight | Approximately 1500KG | |
13. After-sale service | ||
13.1 Acceptance Criteria | Designed and manufactured in accordance with national standards GB/T10586-2006 and GB/T10592-1989. *The calibration standards are in accordance with GB/T5170.2-2008 and GB/T5170.5-2008 Kind reminder: The temperature uniformity in GB/T5170.5-2008 refers to the condition of no load | |
List of Main Materials
Name | Brand | Specification (W*H*D) | Place of origin |
A Structural part | |||
Chamber box | Cold rolled steel plate baking paint | China | |
Pressure bearing inner box | #304 Stainless steel | China | |
Window | Peixin | 30*40CM Multi-layer vacuum | Taiwan |
Baking varnish | China | ||
Circulating motor | 1/2HP | Taiwan | |
B Refrigeration Unit | |||
Compressor | Tecumseh | Fully sealed piston | France |
Condenser | Yongqiang | Fin Type | Taiwan |
Evaporator | Zhongli | 3/8 Fin Type | Taiwan |
Oil separator | Emerson | AW Series | Mexico |
Dryer | Danfoss | DML | Denmark |
Refrigerant Window | Danfoss | SGN | Denmark |
Solenoid valve | Danfoss | EVR | Denmark |
Expansion valve | Danfoss | TES | Denmark |
Refrigerant and consumables | Dupont | R404A+R23 | USA |
C. Control Unit | |||
Controller | SQP | Customized | China |
Sensor | NOX | PT100 | Swiss IC |
Power switch | ZHNT | Loas switch | China |
Contactor | ABB | SP25 | France |
Heating pipe | Taizhan | Nickel-chromium alloy fin type | Taiwan |
Thermal relay | ABB | France | |
Solid state relay | Yudian | SSR | Taiwan |
Time-meter | Omron | 3MIN | Japan |
Electric relay | Omron | 2P,4P | Japan |
Cable | 0.75~10 Square | China | |
D. Vacuum system | |||
Vacuum pump | Burkert | Air cooled single-stage oil seal rotary disc | Germany（Made in China） |
Magnetic fluid axial flow fan | High-quality | China | |
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