tire watch sport for biketirewatch.com.au/.../2012/11/tw_sport_moto_pres_0208-va3.pdf · février...
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© © Février 2008 Copyright LDL TechnologyAll rights reserved
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TIRE WATCHTIRE WATCH SPORTSPORTfor BIKEfor BIKE
© © Février 2008 Copyright LDL TechnologyAll rights reserved
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Increase (tires) performanceIncrease (tires) performance
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
-30 -20 -10 0 10 20 30
Delta P from tire reference (%)
Tire
life
redu
ctio
n (%
)
-4
-2
0
2
4
6
8
10
-60 -50 -40 -30 -20 -10 0 10 20 30 40
Delta P from tire reference (%)
Fuel
con
sum
ptio
n (%
)
Insure tire pressure level controlwith high accuracy (+/- 20 m bar)
Insure tire carcass temperature level control (accuracy : +/- 2°C)
Result :
1. Road-holding2. Precision3. Abrasion4. Tire choice
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Architecture OverviewArchitecture Overview
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Wireless System descriptionWireless System description
Sensor (WUS)
Main Features
• Pressure & temperature information for each wheel (LCD display)• P & T° thresholds adjustable• Visual alarm when a defect is detected• Flash memory of maximum pressure and temperatureeach tire has reached
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+ 7 rear rims+ 7 front rims
TW system enables you to pre-equipped up to 8 tire sets (total 16 wheels: 8 for each location Unique ID code learned manually on the display)
© © Février 2008 Copyright LDL TechnologyAll rights reserved
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Display OverviewDisplay Overview
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Thresholds value settingBacklight
Visual Alert
ON/OFFMenuValidationBacklight
Pressure (BAR/PSI) andTemperature (°C / °F)
Pressure value for both tires
Alternatif displayof Bar / °C
Temperature value for both tire
or
FixingFixing
Power supplyPower supply
Wireless LCD display descriptionWireless LCD display description
Mechanical• 35 x 20 mm LCD Screen • 70 x 45 x 25 mm Housing• Weight < 85g• CR 2450 battery
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Sensor OverviewSensor Overview
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RF Stage
Micro controller8 Bit RISC
PressureSensor
Power Management
Battery
TemperatureSensor
RF Antenna
Battery Monitor
Acceleration Sensor LF Stage
(learning/Diagnosisprocedure
Life Time : > 12 months at 100% transmission (≈ 5 race seasons)Monitored temperature range : from - 40°C to +125°C (temperature scenario)Measuring pressure range : from 0 to 3,5 barMonitored acceleration range : from 0 to 3000G (430 km/h @17’)Weight : 25 gPressure accuracy : ± 20 mbarTemperature accuracy : ± 2°CRF transmission : FSK Manchester 434 MHz (CEE), 9.6 k bits/s
Capteurs (WUS)Capteurs (WUS)
Application schematic
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LF Trigger OverviewLF Trigger Overview
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LF Trigger FeaturesLF Trigger Features
LF Trigger permits to switch ON and OFF your WUS in order to preserve battery life duration.
ON BUTTON = LF Wake-up
Push ON button (more than 20 sec) to wake up your WUS and activate the permanent transmission (5s on parking mode and 1s when driving > 20km/h). The Paddock survey or LCD display will display data as soon as it receives the desired frame.
FORCE BUTTON :
Enable you to learn ID on display by sending an LF request to the sensor
OFF BUTTON : LF Sleep
Push OFF button (more than 20 sec) to switch off (no RF transmission) your WUS. At this time, the pressure and temperature information will not be available on the paddock survey or LCD display after more than 20 seconds.