Field Data Acquisition Apparatus Setup and Testing for Household Clothes Washers and Clothes Dryers

Field Data Acquisition

Apparatus Setup and Testing for Household Clothes

Washers and Clothes Dryers

Items

Apparatus Setup Clothes Washers Clothes Dryers

Testing Results Clothes Washers Clothes Dryers

Conclusions & Recommendations

Optical Tachometer

Optical Tachometer

Load Cell

Load Cell

Tri-Axial Accelerometer @ Wash Tub

Tri-axial Accelerometer

Cabinet

Clothes Washer Wash Tub

Tri-Axial Accelerometer @ Cabinet

Tri-Axial Accelerometer

Cabinet

Thermocouple @ Drive Motor

Thermocouples

Thermocouple @ Drain Motor

Thermocouple Located at here.

Thermocouple @ Water Inlet Pipe

Thermocouple

Back

Thermocouple @ Cabinet

Thermocouple

Thermocouple @ Inlet Grill

Thermocouple

Thermocouple @ Drive Motor

Thermocouple

Drive Motor

Thermocouple @ Thermistor

Thermocouple

Back

Clothes Washers’ Spin Speeds

0 50 100 150 200 2500

200

400

600

800

1000

Regular wash cycle, Fast spin speed, max @ 1008.1 RPM

RP

M

0 50 100 150 200 2500

200

400

600

800

1000

Regular wash cycle, Medium spin speed, max @ 813.8 RPM

Time, second

RP

M

Clothes Washers’ Spin Speeds

0 50 100 150 200 2500

200

400

600

800

1000

RP

M

Regular wash cycle, Slow spin speed, max @ 675.5 RPMHeavy Duty wash cycle, Medium spin speed, max @ 669.4 RPM

0 50 100 150 200 2500

200

400

600

800

1000

Heavy Duty wash cycle, Slow spin speed, max @ 329.7 RPM

Time, second

RP

M

Foot Force

Regular wash cycle, Fast spin speed

0

1

2

3

4

5

6

front left front right rear left rear right

Load Cell Location

Fo

rce,

lb

fTrial 1

Trial 2

Trial 3

Trial 4

Wash Tub Acceleration

Regular wash cycle, Fast spin speed

0

10

20

30

40

50

60

70

b X b Y b Z t X t Y t Z

Triax Location and Orientation, (b = bottom, t = top)

Acc

eler

atio

n,

G64 Hz

128 Hz

256 Hz

512 Hz

Cabinet Acceleration

Regular wash cycle, Fast spin speed

0.0

0.2

0.4

0.6

0.8

1.0

1.2

X Y Z

Triax Orientation

Acc

eler

atio

n,

G64 Hz

128 Hz

256 Hz

512 Hz

Inlet Water Temperature

0 500 1000 1500 2000 2500 300085

90

95

100

105

110

115

120Regular wash cycle @ 64 Hz sample rate

Time, second

Tem

pera

ture

, degre

e F

ahre

nheit

Fast spin speedMedium spin speedSlow spin speed

Drain Motor Temperature

0 500 1000 1500 2000 2500 3000 3500100

110

120

130

140

150

160

Regular wash cycle @ 64 Hz sample rate

Time, second

Tem

pera

ture

, degre

e F

ahre

nheit

Fast spin speedMedium spin speedSlow spin speed

Drive Motor Temperature

0 500 1000 1500 2000 2500 3000 3500

80

100

120

140

160

180

Regular wash cycle @ 64 Hz sample rate, Thermocouple # 1

Time, second

Tem

pera

ture

, degre

e F

ahre

nheit

Fast spin speedMedium spin speedSlow spin speed

Back

Cabinet Temperature

Inlet Grill Temperature

Inlet Air Temperature

Drive Motor Temperature

Outlet Air Temperature

Thermistor Temperature

Back

Conclusions & Recommendations

Dedicated sample rates for each type of acquisition channel.

The specified thermocouple is sufficient for this purpose.

Questions ?