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1、 Product Introduction:
Main functions of the equipment
The icing and freezing rain test chamber equipment is suitable for conducting icing/freezing rain tests on military equipment laboratories. It is mainly used to test the product's tolerance to icing/freezing rain environments, work in icing/freezing rain environments, determine the effectiveness of de icing equipment and technology, including the effectiveness of equipment and methods specified for use on site. It is suitable for simulating equipment exposed to icing conditions caused by ice rain or drizzle, as well as equipment affected by ice accumulation caused by seawater splashes or mist on its working performance
2、 Performance indicators and system composition:
Model GC-JSDY-1000
Sample restrictions: This testing equipment prohibits the testing of flammable, explosive, and volatile substance samples; Testing for storing samples of corrosive substances, testing for storing organisms, testing and storing samples of strong electromagnetic emission sources
Volume, weight, and size
Rainfall area length 1000mm * width 1000mm
The external dimensions of rainfall are approximately 1140 × 2000 × 1540 (mm) W × H × D
The size of the rainfall control cabinet is approximately 800 × 1000 × 1300 (mm) W × H × D
Sample rack customized according to customer requirements
The rainfall environment room is installed in the customer's existing 8-cubic high and low temperature test room
Weight approximately 300kg
Work noise ≤ 70db measured at a distance of 1 meter in front of the machine and 1.2 meters above the ground
Maximum power 5KW
Maximum current 20A
Sample power supply
(This item is optional) Install a waterproof socket inside the test box, powered by AC 220V 20A
Power supply conditions
And power supply
AC220V single-phase two-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 be independently controlled. When placing powered samples in the equipment use box, please use an external power source for the sample power supply and do not directly use the local power supply;
Main technical parameters
Environmental conditions for use: ambient temperature of 5-35 ℃, relative humidity ≤ 85% RH
Drip intensity 25mm/h
Drip aperture diameter of 0.4mm
Raindrop diameter 1.0mm~1.5mm
Ice thickness of 6mm, 13mm, 37mm, 75mm, optional
Ice density ranging from 0.2g/cm3 to 0.9 g/cm3
Water temperature (0-5) ℃
Temperature fluctuation ± 0.1 ℃
The entire system of lifting and moving devices can move and lift, with a lifting height of ≥ 500mm
Rainfall tray hole spacing 25mm
Test meets the conditions GJB150.22A-2009 Military Equipment Laboratory Environmental Test Methods Part 22: Ice Accumulation/Freezing Rain Test
Rain device structure, rain tray material: SUS304 # stainless steel, 1.2mm thick
Rain support frame material: SUS304 # stainless steel square tube 50 * 50 welded together
Rain tray lifting method: external lifting motor for high and low temperature laboratory lifting
The control box and test box are separate types
The rainfall support frame is directly fixed on the ground of the high and low temperature laboratory, and the installation site is reinforced with treatment
Install drainage channels at the bottom of the rainfall support frame
The rainfall chamber is located at the center of the test chamber
Control panel controller, power switch, rain box lifting button switch, RS232 communication interface
Distribution control cabinet main power circuit breaker, distribution board, cooling fan, water pressure regulating valve, water flow meter, water pressure gauge, water pump
Mechanical room refrigeration equipment, cooling fans, and water supply pipelines, etc
The water supply system includes a tap water supply valve, a self-made large water tank, a pure water filtration unit, and a water pump to increase pressure and control rainfall;
electric control system
Controller LCD display touch screen controller
TEMP880, Control rainfall temperature, rainfall cycle, and time separately
Display interface 5.7-inch LCD color touch dialogue display screen
Can display temperature setting value and current temperature value
Can display temperature output value
It can display the execution program group and execution program segment, program time and time signal control status
Can display automatic calculation screen and program standby jump screen
Can display recorded data and curve status images
It can display the current curve, edit program curves, and historical running curves
Can display fault prompts and simple troubleshooting
Program capacity and available program quantity for control functions: 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, with 8-point DI abnormal input and 10 point DO signal control
Communication RS-232 interface, can be used as a monitoring and remote control system, record test data
Running mode, program mode/fixed value mode
Setting method: Chinese/English interface, touch input
Display resolution temperature: 0.01 ℃; Time: 1min;
The power-off memory function can set the power-off recovery mode to: hot start/cold start/stop; The maximum power-off memory time is 3 years
The scheduled startup function allows for the setting of the startup time at will, and the machine will automatically run when the power is turned on
Input PT100 platinum resistor
The curve recording function has RAM with battery protection, which can save the set values, sampling values, and sampling time of the device; The maximum recording time is 60 days (when the sampling period is 1.5 minutes)