Refrigerator Performance Laboratory

test project

（1）Storage temperature （2）Cooling rate

（3）Power consumption （4）Freezing capacity, cooling capacity

（5）Load temperature rise rate （6）Voltage, current, power, power factor

（7）Condensation test （8）Performance testing of air-cooled refrigerator

laboratory

（1）Conclusion constitute Prefabricated panel assembly type, with full area perforated panel air supply at the top and air return at the bottom of the air conditioning cabinet.

（2）Outside ruler inch Ｄ6500×Ｗ4200×Ｈ3300

Internal dimensions Ｄ6300×Ｗ4000×Ｈ3100

Orifice plate to ground H2800

（3）Protecting Wen 100Mm rigid polyurethane foam insulation

（4）Wall and ceiling Both inside and outside0.6mmColored steel plate

0.6Mm aluminum alloy perforated plate ceiling

（5）Ground board 2.5Mm single-sided stainless steel100Mm rigid polyurethane foam insulation board combination

（6）The door double doorD(400+1200)×Ｈ2100 1a

300ｍｍ×350Mm observation window (two-layer glass), anti condensation

（7）Photo taken bright Double tube explosion-proof fluorescent lamp40Ｗ～10Zhan Zhan（220V) Dual channel control

（8）Police officer report Explosive gas leakage alarm, automatic power-off and start of exhaust fan for ventilation

Explosion proof function, alarm function for over temperature, high and low pressure, water shortage, etc

（9）Prototype testing wooden platform: Made of wooden board, odorless black color, sturdy, with flexible adjustment of the width of the surrounding board, and easy movement of the platform

2Adjust the unit again

（1）Air conditioning unit stainless steel structure 1set

Supply fan Multi blade, dual inlet air

Cooling device Copper tube with hydrophilic film aluminum evaporator

Heater 22.5ＫＷ

（2）Air cooled compression condensing unit (imported fully enclosed head) 2Taiwan

type number 5HP*1+6HP*1

To ensure that the refrigeration unit can operate normally in both summer and winter, ensure that the condenser area is large enough and the fan is automatically adjustable in speed

（3）Humidifier 1Taiwan

type number Shallow groove type

rule grid 22.5ＫＷ

（4）Variable frequency drive 　 1Taiwan

type formula 　FR－E740

3Universal machine

（1）Power and Measurement Cabinet 　 1Taiwan

type formula Steel plate independent type

（2）Tested machine power box 　 6a

type formula Stainless steel plate wall hanging type

Each workstation has2Selection of power sources; In addition, the power socket of the testing station should have a European grounding method for easy testing.

（3）Thermocouple box 　 6a

type formula Stainless steel plate wall hanging type

20ＣＨ

4）Explosion proof system

a.sensor 　　 2a

rule grid

R600A sensor

b.fan 1a

rule grid Domestic explosion-proof fan

1000ｍ³／ｈ

c.air door 2a

rule grid Φ300automatic switch

d.Pneumatic valve for air door control 　 2a

rule grid

e.air compressor(0.5HP) 1Taiwan

Chapter 3Temperature and Humidity Control

1Temperature and humidity measuring device 　1set

type number Ｒ221－30

Automatic water replenishment method

2Temperature and humidity regulator 4Taiwan

type number SR93

rule grid Input platinum resistor

precision±0.3％ＦＳ

output 4～20ｍＡ　ＤＣ

3．SCRpower regulator 　　　 6a

type number SAM40100D

rule grid 100Ａ

Chapter FourData processing device

1Data collector 　　 (Yokogawa)1set

type formula DA100

rule grid 120Point data collection system

2Digital power meter (Yokogawa)6Taiwan

type number WT210

3Microcomputer and related devices

（1）Computer

rule grid P42GMemoryhard disk320G 、17inchLCD

electricity source ＡＣ220Ｖ 50Ｈｚ

（2）Printer （HP） 1Taiwan

rule grid A4Inkjet color printer

electricity source ＡＣ220Ｖ 50Ｈｚ

（3）Tested machine variable frequency power supply 1 (Epps)1Taiwan

type number AFC-31020(Precision)1%Inside)

rule grid Variable Frequency Power Supply20KVA

（4）Tested machine frequency conversion power supply 2 (Epps)1Taiwan

type number AFC-31010(Precision)1%Inside)

rule grid Variable Frequency Power Supply10KVA