Huf Baolong Electronics Bretten RDKS-RE-1 Tire Pressure Monitoring System User Manual users manual 4

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Document ID	156139
Application ID	YMA6U/0u/zE9n8QFwGxsYw==
Document Description	users manual 4
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	114.5kB (1431229 bits)
Date Submitted	2001-06-22 00:00:00
Date Available	2001-06-20 00:00:00
Creation Date	2001-06-19 09:24:51
Producing Software	Acrobat 4.05 Scan Plug-in for Windows
Document Lastmod	2001-06-19 09:25:10
Document Title	users manual 4
Document Creator	Acrobat 4.05 Scan Plug-in for Windows

internal structure of the intelligent, integmted
pressure and temperature sensor SP 13
I Futons of the integrated
max. s on term
Circuit of the wheel electronic
Sending antenna
‘ . Battery
transitions '
Operating
te
temperature:
The control device covers two diffe-
rent fields of function:
I The universal tire pressure
monitoring functionality [system
component)
I The vehicle-specific data bus
connection with the correspon-
ding operating and warning philo—
sopnv (communication component]
These two fields of function are car»
ried out in two individual program
modules which are independent from
each other, so that its adaptation to a
different manufacturer‘specific bus
‘ report is relatively simple.
Block wiring diagram of the control device
Hump" my vaiwi
Receiving antenna of in: m
pressure monitoring sysitm
Control device of the
un- pressure monitoring system
4. Testing
In cooperation with several reputable
German automotive manufacturers
extensive tests were carried out to
guarantee the reliability of the total
system For this purpose, numerous
testing vehicles were equipped. and
approximately 50 vehicles were built
within the scope of a large—scale test.
during which they eovered a great
mileage Additionally‘ tests under
extreme conditions were carried out.
Vehicles were equipped with automatic
inflation systems which allowed the
realization of extreme pressure condi—
tions during driving.
Extreme thermal conditions occur
when driving down a mountain pass
The vehicles were loaded to the limit
and were then subiect to extreme
High—temperature tests — driving down a pass,
with tire temperatures of far above 100 ”C [AUDI]
braking forces during a downhill driving
period of 45 minutes. which caused
extreme heat in wheels and tires In
the subsequent stationary phase. the
brake discs With their temperatures of
up to 900 "C cause a temperature
increase in the interior of the tire of
far above 100 “C. The temperatures
and pressures oecuring during this test
are measured on the exterior in order
to verify the precision and reliability
timing rm» immune mmum .
\'-‘l(|l niiIi-niziiic miuiirm (i) ML
we
extreme temperaturéi,
ln winter tests, th system was tested
for functionality low temperatures
and the potential susceptibility to
snow and icy slush. r
in the course of high speed tests on
the road and on test stands‘ tests at
speeds of over 300 km/h were‘cari’ried i
cut.
5. Prospects
With the tire pressure monitoring
system presented herein. we succeeded
in providing continuous control of
another safety-relevant vehicle compo—
nent, This product concept which was
developed on a wide basis can claim to
have set new standards in respect to
precision, easy operation and reliability
in the field of tireipresure monitoring.
The design of the product components
allows the exploitation of cost reduction
potentials by means of an increase in
production quantity. so that an expan—
sion of the market can be expected in
the following years. We are in process
of developing a tire pressure monitoring
system for heavy—duty vehicles which
will he mediumvtermed introduced in
the market.
Highspeed test at over 300 km/h [PORSCHE]

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Modify Date                     : 2001:06:19 09:25:10-04:00
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