SU878609A2 - Device for remote monitoring of the temperature of motor vehicle tyre and signalling excess over permissible values - Google Patents
Device for remote monitoring of the temperature of motor vehicle tyre and signalling excess over permissible values Download PDFInfo
- Publication number
- SU878609A2 SU878609A2 SU802879670A SU2879670A SU878609A2 SU 878609 A2 SU878609 A2 SU 878609A2 SU 802879670 A SU802879670 A SU 802879670A SU 2879670 A SU2879670 A SU 2879670A SU 878609 A2 SU878609 A2 SU 878609A2
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- temperature
- signalling
- motor vehicle
- remote monitoring
- vehicle tyre
- Prior art date
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- Arrangements For Transmission Of Measured Signals (AREA)
Description
ны, преобразовател сопротивлени датчика в частоту 2, передатчика 3 и передающей антенны 4, которые креп тс на ободе колеса. Неподвижна часть устройства состоит из приемной антенны, установленной, например, на крыле вблизи колеса, приемника 5, частотных реле 6, преобразовател частоты в напр жение 7, сигнализатора 8, размещенных в кабине автомобил , измерительного прибора 9 и переключател 10, установленных на приборной панели. После преобразовател частоты в напр жение 7 введен логарифмический усилитель 11, линеаризующий выходную характеристику устройства. Посколькуsensor transducer to frequency 2, transmitter 3, and transmit antenna 4, which are mounted on the wheel rim. The stationary part of the device consists of a receiving antenna installed, for example, on a wing near the wheel, receiver 5, frequency relays 6, a frequency converter to voltage 7, a signaling device 8 placed in the car’s cabin, a measuring instrument 9 and a switch 10 installed on the instrument panel . After the frequency converter, a logarithmic amplifier 11 is introduced into voltage 7, which linearizes the output characteristic of the device. Insofar as
,(-/o), «о, (- / o), “o
напр жение на выходе логарифмического усилител пропорционально изменению температуры (t-to).the voltage at the output of the logarithmic amplifier is proportional to the change in temperature (t-to).
Устройство работает следующим образом . При изменении температуры шины измен етс величина сопротивлени терморезистора , привод ща к изменению частоты выходного напр жени преобразовател 2, которым модулируетс сигнал несущей частоты , генерируемый передатчиком 3. Дл отдельных передатчиков 3, установленных на каледом колесе машины, несуща частота фиксированна . Частотный сигнал через антенну 4 передаетс на неподвижную часть устройства и воспринимаетс приемником 5. После усилени и детектировани выделенные низкочастотные сигналы каждого приемника 5 через переключатель 10 поступают на вход преобразовател частоты в напр л :ение 7, а с его выхода - на вход логарифмического усилител И, к выходу которого подключен измерительный прибор 9.The device works as follows. When the bus temperature changes, the resistance of the thermistor changes, resulting in a change in the frequency of the output voltage of the converter 2, which modulates the carrier frequency signal generated by the transmitter 3. For individual transmitters 3 mounted on the wheel of the car, the carrier frequency is fixed. The frequency signal through the antenna 4 is transmitted to the fixed part of the device and perceived by the receiver 5. After amplification and detection, the selected low-frequency signals of each receiver 5 through the switch 10 are fed to the input of the frequency converter in voltage: 7, and from its output - to the input of the logarithmic amplifier I to the output of which the measuring device 9 is connected.
На Щкале прибора 9 отмечено предельно допустимое значение температуры дл данного типа шин. Если температура одной из шин автомобил достигает предельно допустимого значени , реле 6 включает сигнализатор 8, которым осуществл етс звукова или светова сигнализаци о превышении допустимой температуры в той или иной шине автомобил . Применение линейной шкалы значительно повышает точность устройства.On the instrument panel 9, the maximum permissible temperature for this type of tire is noted. If the temperature of one of the tires of the car reaches the maximum permissible value, the relay 6 turns on the alarm 8, which is audible or illuminated to indicate that the permissible temperature in a particular car tire has been exceeded. The use of a linear scale greatly improves the accuracy of the device.
Использование предлагаемого изобретени позвол ет расширить эксплуатационные возможности устройства. Так, линейпа температурна шкала измерительного прибора 9 может быть дополнительно проградуирована в единицах давлени воздуха в воздушной полости шины. По показани м измерительного прибора водительThe use of the present invention allows to expand the operational capabilities of the device. Thus, the temperature scale of the measuring instrument 9 can be additionally calibrated in units of air pressure in the air gap of the tire. By reading the measuring device driver
может точнее настроить систему регулировани воздуха в шинах на рекомендуемое значение, которое выбираетс по уровню допустимой температуры.can fine tune the tire air regulation system to the recommended value, which is selected by the level of permissible temperature.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU802879670A SU878609A2 (en) | 1980-02-11 | 1980-02-11 | Device for remote monitoring of the temperature of motor vehicle tyre and signalling excess over permissible values |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU802879670A SU878609A2 (en) | 1980-02-11 | 1980-02-11 | Device for remote monitoring of the temperature of motor vehicle tyre and signalling excess over permissible values |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU548451 Addition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU878609A2 true SU878609A2 (en) | 1981-11-07 |
Family
ID=20876444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU802879670A SU878609A2 (en) | 1980-02-11 | 1980-02-11 | Device for remote monitoring of the temperature of motor vehicle tyre and signalling excess over permissible values |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU878609A2 (en) |
-
1980
- 1980-02-11 SU SU802879670A patent/SU878609A2/en active
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