Guangdong Yuelian Instrument Co., Ltd
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    Building A, Tongzheng Smart Technology Park, No. 76 Tinghuan Road, Houjie Town, Dongguan City
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RX3-4 series box type rain test chamber
The RX3-4 series box type rain test box (IPX3 and IPX4) is designed and manufactured according to relevant national standards. It is widely used in in
Product details

RX3-4 series box type rain test box (IPX3 and IPX4)

application

The rain test chamber is designed and manufactured according to relevant national standards, and is widely used in industries such as aviation, aerospace, military, shipbuilding, electrical engineering, electronics, etc. to simulate dynamic operation of the entire product and its components in a rain environment, in order to evaluate the working quality test of the product. In order to evaluate the performance and quality of the test sample. This device has the following basic characteristics:

  • 1. The experimental system has advanced and reasonable structural design, standardized manufacturing process, beautiful and generous appearance, and easy maintenance.
  • 2. The matching and assembly of components are good, and the main functional components are all imported original parts with international advanced level, which improves the safety and reliability of the product and can ensure the long-term and high-frequency use requirements of users.
  • 3. The necessary conditions for the normal operation of the equipment are already equipped, and the buyer only needs to provide power and meet the required working environment.

Structure and working principle of the hanging pipe rain protection device

Working principle

This equipment uses a high-pressure water pump to spray a certain pressure and flow rate of test water onto the sample through a swing rod nozzle. The test device is rotated to change the swing amplitude and frequency of the swing rod, achieving the required environment for the test.

Equipment structure

  • (1) The test box body is in the form of an integral structure, with the rainwater tank, high-pressure water pump, and rotating system of the test device located at the lower part of the box, and the control system located directly below the test box.
  • (2) The test chamber is a single door and sealed with double-layer anti-aging silicone rubber.
  • (3) There is an observation window on the box door.
  • (4) The equipment is equipped with switch controlled lighting fixtures.
  • (5) The waterproof rotary joint and frequency conversion system are installed on the right side of the test chamber.

Equipment material

  • (1) Cold rolled steel plate coating for the shell/SUS304 mirror stainless steel plate processing and forming for the inner wall of the workshop.
  • (2) Specialized motor, centrifugal convection fan
  • (3) The temperature measurement adopts imported PT-100 sensor
  • (4) Silicone rubber sealing strip, imported waterproof sealing rotary joint
  • (5) Flow control valve, speed regulating motor.
  • (6) Sample rack and rotating structure, glass observation window.
  • (7) Rotation angle and frequency conversion control system.

Conditions for use of rain shower equipment for pipe laying

project describe
voltage Three phase five wire system 380VAC ± 10%; 50Hz±2%
ambient temperature 5~35℃;
ambient humidity ≯85%R.H
atmospheric pressure 86~106Kpa
environmental condition There is no strong vibration, strong electromagnetic field interference, high concentration dust or corrosive substances around the equipment site, and no direct sunlight or other heat source radiation.
The equipment should be placed horizontally in a well ventilated laboratory, with sufficient space around for operation and maintenance.

Main configuration situation

box structural style Integrated, the test chamber is integrated with the controller and rain system.
Shell material Cold rolled steel plate electrostatic spraying
Studio material SUS304 mirror stainless steel plate
Thermal insulation material Hard polyurethane foam
control system controller Intelligent touch screen program controller
Mainly responsible for executing electrical accessories Such as Schneider AC contactors, Omron intermediate relays, Delixi fuses, etc.
Safety device 1. Leakage power outage and overcurrent protection;
2. Water pressure protection;
3. Overload fuse protection;
4. Grounding protection;
When the control system detects the action of the following protective devices (single row), it should be able to automatically cut off the entire system and give an alarm prompt.
Random accessories 1 power cord;
Accompanying documents Schematic diagram/warranty card/certificate of conformity/user manual.

Measurement and control system

project describe
temperature measurement Pt100 Platinum Thermistor
Control instruments Color touch screen programmable controller;
Setting accuracy Temperature: 0.1 ℃,
Operation mode Constant (fixed-point control) and program
Power Control Adopting thyristor zero crossing triggering power regulation technology, reliable control, no noise, and no grid pollution.
1. The swing rod speed controller and turntable speed controller both use Schneider variable frequency speed controllers;
2. Both water pumps and flow meters are made of domestic brands
3. Other electrical accessories are made of high-quality brand products, such as Schneider AC contactors, Omron intermediate relays, Delixi fuses, etc.

Technical Parameter

temperature range normal temperature
Bend radius of sprinkler pipe 375mm
Inner diameter of spray pipe bend 16mm
Swing amplitude of sprinkler pipe 60 °, 90 °, 135 °
Diameter and spacing of nozzle holes 0.4mm/50mm
Studio Size Depth 1000 x Width 1000 x Height 1000mm (suitable size can be customized according to customer requirements)
Rainwater pressure About 80Kpa to 892Kpa
Adjustable water flow rate The flow rate is 0.6L/min
Test bench area ¢350mm
Workbench rotation 1~17r/min
Diameter of the water dispersing hole About 1mm
Number of scattered water holes About 100
Watering distance 1m
Angle spray rod Adjustable from 0 ° to 90 °
Distance between nozzle and object Not exceeding 250mm
Water flow and supply volume 25.4L/min adjustable
Swing frequency Advanced frequency converter regulator speed regulation
Can meet the swing tube method (Rb2.1) and handheld sprinkler method (Rb2.2) in water testing
power 380VAC/4.8Kw three-phase five wire power supply
Meet standards GB/T2423.38-1990 GB4942-93 IEC60529 GB4208-2006
Basic Environmental Testing Regulations for Electrical and Electronic Products
Test R: Water Test Method IPX3 IPX4
acceptance criteria Environmental testing equipment testing methods/technical agreement between both parties.
The technical data of the above products were measured at room temperature of 25 ℃± 5 ℃, relative humidity ≤ 85% R.H, and under no-load conditions.

Safety protection

  • 1. This test box meets the national electrical safety standards, wiring specifications, and all wiring ports are clearly labeled without exposure;
  • 2. The studio is absolutely insulated from all power sources, ensuring safety and reliability;
  • 3. Complete security protection functions (as follows);
  • 1) Reliable grounding protection device;
  • 2) Leakage/circuit breaker protection;
  • 3) Water pressure protection;
  • 4) Overload fuse protection;
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