Equipment nameAirflow test bench
Model: HC-KTF-3000L
1、 Main parameters and functions of the equipment
This test device is used for thermal performance analysis of power supplies and meets the requirements of standard GB/T1236-2000 (equivalent to ISO5801). Refer to the American AMCA210 standard.
Plan Overview:
According to GB/TRequirements for 1236-2000
technologyindicator

1. Wind volume range of the tested fan:70~3000 m³/h; Resolution 0.1m ³/H

2. Wind tunnel size (approximately): W860mm * H860mm * L3250mm-

3. Measurement accuracy: 1.5%～2%;repetitivenessprecision：±1.5％

4. Environmental temperature: -20~60 ℃ (measured value)

5. Temperature testing accuracy: 0.1 ℃

6. Static pressure:-500~2000Pa; Differential pressure: -200-1000Pa; Resolution: 0.1Pa;

7. Equipment control parameters: outlet pressure; Differential pressure on both sides of the nozzle; Auxiliary variable frequency fan;

8. Equipment measurement parameters: wind tunnel static pressure, pressure difference on both sides of the wind tunnel nozzle; Wind tunnel measurement of chamber temperature, humidity, and atmospheric pressure;

9. Software environment: Using a universal database environment to reduce costs

Database environment: MY SQL
Programming language: C #, operating system; XP or Wind0ws 7
10Device description：Control cabinet, 1 wind tunnel, 1 auxiliary fan with variable frequency control, static pressure pipe, and air duct.
11 Random attachment description：
Equipment operation manual, overall introduction of the equipment (external and internal), certificate of conformity, exterior design drawing of the box body
12 Installation method description：Voltage 380V, power 3.0KW.
13 tested fans: AC, 2KW;
Airflow test benchHC-KTF-3000L

2、 Control scheme
This test bench adopts a blowing wind tunnel to test the performance of the fan. The specific plan is as follows:

3、 Control parameters(Control parameters in fully automatic control schemes, measurement parameters in other schemes)

1. Wind tunnel static pressure (constant static pressure)

1. Static pressure transmitter: precision micro pressure transmitter, -500Pa~2000Pa/1-5V (accuracy 0.075%)

1. Control: PID

2. Data recording: collected to the computer through a data collector

1. Nozzle pressure difference (constant air volume)

3. Differential pressure transmitter: precision micro pressure transmitter, range -200~1000Pa /1-5V (accuracy 0.075%)

4. Control: PID: Output to control the opening degree of the electric air valve!

5. Data recording: collected to the computer through a data collector

4、 Measurement parameters
1. Wind tunnel temperature

1. Measurement range: relative temperature -20~80 ℃-

2. Measurement accuracy:±0.1℃

3. Signal converter: -20~60 ℃/ 1～5V DC

4. Data recording: collected to the computer through a data collector

2. Wind tunnel humidity

1. Measurement range: relative humidity0～100％RH

2. Measurement accuracy: relative humidity±3％RH

3. Signal converter: 0-100%/ 1～5V DC

4. Data recording: collected to the computer through a data collector.

3. atmospheric pressure

1. Measurement range: 80-120kpa;

2. Pressure transmitter: 0.2%, Drucker, 4-20mA,DCoutput

3. Data recording: collected to the computer through a data collector

5、 Equipment
1. Optional blowing/suction, convertible type

(1)Fan outlet chamber

1. External dimensions: approximately 750W×750H×2650L mm

1. Rectifier network

(2)Airflow measurement room

1. Internal dimensions:About 750W×750H

2. Rectifier network

3. spray mouth 6a

(3)auxiliary fan(ABBImported centrifugal fan)

1. Fan: Multi blade centrifugal fan, with a total pressure of approximately 2000 Pa, Air volume 3500m³/hAnd 1500 static pressure fan.

2. Motor: 2.2kWFrequency converter:2.2KW

2. control cabinet

1. Switches, indicator lights, digital displays; Emergency stop switch and frequency converter fault alarm