CWWS building exterior doors and windows three performance testing equipment

CWWS three-performance testing equipment for building exterior doors and windows is the latest type of door and window testing equipment developed by our company based on the old standards GB/T7106 and GB/T7106 new standards for doors and windows. It is specially used for testing the air tightness, water tightness and wind pressure resistance of building doors and windows. CWWS building exterior doors and windows three performance testing equipment, but also fully meet the requirements of the new standards for doors and windows, truly compatible with the old and new standards.

Key words:

Product Details

One. Use

CWWS three-performance testing equipment for building exterior doors and windows is the latest type of door and window testing equipment developed by our company based on the old standards GB/T7106 and GB/T7106 new standards for doors and windows. It is specially used for testing the air tightness, water tightness and wind pressure resistance of building doors and windows.
CWWS building exterior doors and windows three performance testing equipment, but also fully meet the requirements of the new standards for doors and windows, truly compatible with the old and new standards.

II. Applicable Standards

GB/T7106 "building exterior doors and windows airtight, watertight, wind pressure performance testing method"

GB/T31433 "building curtain wall, doors and windows general technical conditions"

Three. Technical parameters

1. Wind pressure resistance

Wind pressure test pressure regulating range:-7000Pa ~ 7000Pa

Pressure transmitter accuracy: 0.25%

Displacement measurement test range: 0~100mm

Accuracy of displacement meter: 0.1%

Resolution: 0.01mm

2. Air tightness performance

Air flow measurement range: 0~650 m3/h

Flowmeter accuracy: 3%

3. Watertight performance

Water flow measurement range: 60 ~ 1000L/h accuracy: 1.5%

Sprayed water: 1 ~ 3L/m2.min fluctuation period: 3 ~ 5S

4. Overall dimension

Model

Maximum size of testable parts (m)

Equipment static pressure box size (m)

Fan size (m)

Minimum room size (m)

CWWS-2424

2.4 × 2.4

Length 3.2 × width 1.7 × height 3.0

2.5 × 1.5 × 1.5

5 × 6 × 3.5

CWWS-3030

3.0 × 3.0

Length 3.7 × width 1.7 × height 3.8

2.5 × 1.5 × 1.5

6 × 6 × 4.2

 

IV. Main Structure and Function of Equipment

The equipment consists of the following parts

① Pressure source

② Rain water spray system

③ Static pressure box

④ Air flow measurement system

⑤ Air collection box

⑥ Electrical control system

⑦ Displacement and deformation measurement system

1.◆ Pressure source

It is mainly composed of a high-pressure centrifugal fan, a frequency converter and an electric reversing valve. It provides different pressures for air-tight, water-tight and wind-resistant performance during the detection process, and realizes the conversion of positive and negative pressures during the test.

2.◆ Rainwater sprinkler system

High-precision glass rotameter, water valve, spray pipe group and cone nozzle are used to provide water-tight detection with water spray volume that meets the standard requirements, which is intuitive, durable and does not rust.

3.◆ Static pressure box

It is mainly composed of main board, left and right frames, upper frame, base, nozzle and test piece clamping part, and provides a closed pressure box for physical performance detection of test pieces of doors and windows. By selecting different sizes of partitions to detect different specifications of the specimen, it is convenient to install the specimen.

4. Air flow measurement system

A high-precision inlet air volume transmitter is used to measure the air penetration of the tested piece and is installed in the measuring pipeline at the rear end of the buckle box.

5.◆ Air collection box

The main function of the air collection box is to collect the air penetration during air tightness detection. The box adopts steel structure, which is strong and durable, and has casters at the bottom, which is easy to move and easy to use.

6.◆ Electrical control system

It is mainly composed of industrial control computer and electrical parts. When the test piece is clamped, all testing processes are automatically completed by the control system.

7.◆ Displacement and deformation measurement system

Three high-precision displacement sensors are used to measure the deformation of the test piece in the wind pressure resistance. The displacement sensor is easy to install and will not affect the accuracy of the measurement due to the pressure of the static pressure box in the experiment.

Five. Main technical features

1.◆ Realize compatibility of new and old standards

CWWS building exterior doors and windows three performance testing equipment can not only meet the current GB/T7106-2008 standards, but also meet the new GB/T7106-2019 standards, great convenience for users.

2. ◆Reasonable structure design, high strength

The static pressure box and all partitions are welded with metal frames, the surface is covered with aluminum-plastic plates, beautiful and clean, and the whole is an assembled structure. The design has high structural strength and can meet the requirements of the new standard for wind pressure resistance of up to ± 7000Pa.

3.◆ Simple and convenient clamping of test pieces

The specimen is clamped with a linear clamping device, which is firm and reliable, convenient for clamping, does not damage the specimen, and can detect specimens of different specifications.

4.◆ The sprinkler system is made of stainless steel

The spray system and nozzles are made of stainless steel, which not only prevents corrosion and has long service life, but also has cone-shaped nozzles with uniform layout and adjustable water spray volume to ensure that a continuous water film is formed on the surface of the test piece and meets the requirements of the specified water spray volume.

5.◆ The air collection box can detect air tightness and can also be used for safety protection.

The air collection box is welded with metal frame and metal plate, the surface is sprayed with plastic, and the whole is of assembled structure. The bottom of the air collection box adopts universal casters, which can move in any direction. The air collection box and the static pressure box are clamped together to measure the air penetration of the test piece. The air collection box can play a role of safety protection and ensure the safety of the test when doing the wind pressure resistance test.

6.◆ High degree of automation

The system uses industrial control computer and programmable inverter control, the entire test process, data acquisition, calculation all automatically completed. Advanced data processing system, can automatically analyze the test results, and timely and accurate output test report. The control system is stable, reliable, accurate and flexible.

7.◆ Completely eliminate mechanical pressure regulating valve

The programmable frequency converter is used to realize the stepless speed regulation of the fan, that is, stepless pressure regulation, completely eliminate the backward way of mechanical pressure regulating valve, and realize the speed regulation fast, convenient, accurate, noise reduction and environmental protection.

8. ◆Significant energy savings

The programmable frequency converter speed regulation can adjust the output speed pressure according to the different pressure requirements of the detection end, which changes the working mode of the fan at full load and greatly saves electric energy.

VI. Configuration table

 

Serial Number

Configuration Name

Specifications and models

Quantity

Brand or place of origin

1

Host Framework

ASSEMBLY (BULK)

1 set

Jinan Tianchen

2

Positive and negative pressure switching device

ASSEMBLY (BULK)

1 set

Jinan Tianchen

3

Spray pipe group

Including ball valve switch

1 set

Jinan Tianchen

4

Electric control cabinet

 

1

Jinan Tianchen

5

thermal anemometer

Flow rate 0-10 m/s

1

Austria Original

6

high pressure centrifugal fan

380V

1

Jinan strength fan

7

Water pump

BLC120/150T

1

dedicated

7

Electrical components

System Electrical Components

1 set

Jinan Tianchen

8

Glass rotameter

100-1000L/h

1

Shenyang North Star

9

Pressure transmitter

±1000Pa  0.3%
±10000Pa  0.3%

1 each

Beijing Star Instrument

10

displacement sensor

0-100mm

3 sets

Ningbo Beilun

11

Special detection software for doors and windows

 

1

Jinan Tianchen

12

Computer

Qitian M428

1

Lenovo

13

Printer

HP

1

HP

14

computer desk

 

1 sheet

Jinan

 

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