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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)