Apparatus and method for estimating tire life

• US 20060114107A1
• Filed: 10/26/2005
• Published: 06/01/2006
• Est. Priority Date: 11/03/2004
• Status: Abandoned Application

• Current Assignee: Hyundai AMCO Company Limited (Hyundai Mobis Co., Ltd.)
• Original Assignee: Hyundai AMCO Company Limited (Hyundai Mobis Co., Ltd.)
• Inventors: Kwon, Dae Hyuk, Na, Heu Kyong, Lee, Won Jo, Choi, Sang Hoon, Kim, Sang Kook, Chun, Dong Pil
• Application Number:
  US11/259,591
• Publication Number:
  US 20060114107A1
• Time in Patent Office: Days
• US Class Current: 340/457
• CPC Class Codes: B60C 23/0408 transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver

Abstract

An apparatus and method for estimating a tire life is provided. The apparatus includes a transmitter for storing tire position identification information, measuring and transmitting an internal pressure and temperature together with the tire position identification information; a receiver for detecting and comparing the tire position identification information and the internal pressure and temperature, with tire replacement temperature reference value and pressure reference value, and if any one of the internal pressure and temperature is greater than the tire replacement temperature reference value and pressure reference value, generating a warning signal for informing of tire replacement; and a warning unit for receiving the warning signal and warning a driver.

Claims

1. An apparatus for estimating a tire life, the apparatus comprising:

a transmitter for storing tire position identification information, measuring an internal pressure of a tire resulting from running of a vehicle and an internal temperature of the tire resulting from a tire friction with a road surface, and transmitting the measured internal pressure and temperature together with the tire position identification information;

a receiver for storing tire replacement temperature reference value and pressure reference value, detecting and comparing the tire position identification information and the internal pressure and temperature received from the transmitter, with the tire replacement temperature reference value and pressure reference value, and if any one of the tire internal pressure and temperature is greater than the tire replacement temperature reference value and pressure reference value, generating a warning signal for informing of tire replacement; and

a warning unit for receiving the warning signal and warning a driver.

2. The apparatus according to claim 1, wherein the transmitter comprises:

a transmission storage unit for storing the tire position identification information;

a pressure measurement unit for measuring the internal pressure of the tire;

a temperature measurement unit for measuring the internal temperature of the tire;

a transmitting unit for loading and transmitting the tire position identification information and the tire internal pressure and temperature on a wireless signal under a predetermined control; and

a transmission controlling unit for receiving the tire internal pressure and temperature measured sequentially at a predetermined time cycle, and outputting the received tire internal pressure and temperature together with the tire position identification information, to the transmitting unit.

3. The apparatus according to claim 1, wherein the transmitter is mounted at a rim of a tire wheel.

4. The apparatus according to claim 1, wherein the receiver comprises:

a receiving unit for receiving a wireless signal and cyclically detecting the tire position identification information and the tire internal pressure and temperature from the wireless signal, under a predetermined control;

a storage unit for storing the tire replacement temperature reference value and pressure reference value; and

a controlling unit for controlling the receiving unit to receive the tire position identification information and the tire internal pressure and temperature, comparing the received tire position identification information and tire internal pressure and temperature with the tire replacement temperature reference value and pressure reference value, respectively, and if any one of the tire internal pressure and temperature is greater than the tire replacement temperature reference value and pressure reference value, generating the warning signal for informing of the tire replacement.

5. The apparatus according to claim 1, wherein the warning unit is a displaying unit for informing of a replacement time of the tire in a text or graphic form.

6. The apparatus according to claim 1, wherein the warning unit is a voice processor for informing of a replacement time of the tire by an audible sound.

7. The apparatus according to claim 1, wherein the warning unit is comprised of a displaying unit for informing of a replacement time of the tire in a text or graphic form, and a voice processor for informing of the replacement time of the tire by an audible sound.

8. The apparatus according to claim 4, wherein the controlling unit outputs the tire position identification information together with the warning signal, to the warning unit.

9. The apparatus according to claim 8, wherein the warning unit is a displaying unit for receiving the tire position identification information and the warning signal, and informing of a replacement time and a position of the tire to be replaced, in a text or graphic form.

10. The apparatus according to claim 8, wherein the warning unit is a voice processor for informing of a replacement time and a position of the tire by an audible sound.

11. The apparatus according to claim 8, wherein the warning unit is comprised of a displaying unit for informing of a replacement time and a position of the tire to be replaced, in a text or graphic form, and a voice processor for informing of the replacement time and the position of the tire by an audible sound.

12. An apparatus for estimating a tire life, the apparatus comprising:

a transmitter for storing tire position identification information, measuring an internal pressure of a tire resulting from running of a vehicle and an internal temperature of the tire resulting from a tire friction with a road surface, generating temperature and pressure measurement data having the tire position identification information and the measured pressure and temperature, and loading and transmitting the generated temperature and pressure measurement data on a wireless signal;

a receiver for storing tire replacement temperature reference value and pressure reference value, detecting the temperature and pressure measurement data from the wireless signal, detecting the tire position identification information and the internal pressure and temperature from the wireless signal, calculating an instantaneous temperature slope and an instantaneous pressure value, comparing the calculated instantaneous temperature slope and instantaneous pressure value with the tire replacement temperature reference value and pressure reference value, respectively, and if any one of the calculated instantaneous temperature slope and instantaneous pressure value is greater than the tire replacement temperature reference value and pressure reference value, generating a warning signal for informing of tire replacement; and

a warning unit for receiving the warning signal and warning a driver.

13. The apparatus according to claim 12, wherein the transmitter comprises:

a transmission storage unit for storing the tire position identification information;

a pressure measurement unit for measuring the internal pressure of the tire;

a temperature measurement unit for measuring the internal temperature of the tire;

a transmitting unit for loading and transmitting the predetermined temperature and pressure measurement data on the wireless signal; and

a transmission controlling unit for receiving the tire internal pressure and temperature measured sequentially at a predetermined time cycle, and generating and outputting the temperature and pressure measurement data having the tire position identification information and the tire internal pressure and temperature, to the transmitting unit.

14. The apparatus according to claim 12, wherein the transmitter is mounted at a rim of a tire wheel.

15. The apparatus according to claim 12, wherein the receiver comprises:

a receiving unit for receiving the wireless signal and cyclically detecting the temperature and pressure measurement data from the wireless signal, under a predetermined control;

a storage unit for storing the tire replacement temperature reference value and pressure reference value; and

a controlling unit for controlling the receiving unit to cyclically receive the temperature and pressure measurement data, detecting the tire position identification information and the tire internal pressure and temperature from the temperature and pressure measurement data, calculating an instantaneous temperature slope and an instantaneous pressure value, comparing the calculated instantaneous temperature slope and instantaneous pressure value with the tire replacement temperature reference value and pressure reference value, respectively, and if any one of the calculated instantaneous temperature slope and instantaneous pressure value is greater than the tire replacement temperature reference value and pressure reference value, generating the warning signal for informing of the tire replacement.

16. The apparatus according to claim 12, wherein the warning unit is a displaying unit for informing of a replacement time of the tire in a text or graphic form.

17. The apparatus according to claim 12, wherein the warning unit is a voice processor for informing of a replacement time of the tire by an audible sound.

18. The apparatus according to claim 12, wherein the warning unit is comprised of a displaying unit for informing of a replacement time of the tire in a text or graphic form, and a voice processor for informing of the replacement time of the tire by an audible sound.

19. The apparatus according to claim 15, wherein the controlling unit outputs the tire position identification information together with the warning signal, to the warning unit.

20. The apparatus according to claim 19, wherein the warning unit is a displaying unit for receiving the tire position identification information and the warning signal, and informing of a replacement time and a position of the tire to be replaced, in a text or graphic form.

21. The apparatus according to claim 19, wherein the warning unit is a voice processor for informing of a replacement time and a position of the tire by an audible sound.

22. The apparatus according to claim 19, wherein the warning unit is comprised of a displaying unit for informing of a replacement time and a position of the tire to be replaced, in a text or graphic form, and a voice processor for informing of the replacement time and the position of the tire by an audible sound.

23. A method for estimating a tire life in a tire-life estimating apparatus having a transmitter having a transmission storage unit for storing tire position identification information, a receiver having a storage unit for storing tire replacement temperature reference value and pressure reference value, and a warning unit for warning a replacement time of a tire, the method comprising the steps of:

in the transmitter, measuring an internal pressure of a tire resulting from running of a vehicle and an internal temperature of the tire resulting from a tire friction with a road surface, and transmitting the measured internal pressure and temperature together with the tire position identification information;

in the receiver, detecting and comparing the tire position identification information and the internal pressure and temperature received from the transmitter, with the tire replacement temperature reference value and pressure reference value, and if any one of the tire internal pressure and temperature is greater than the tire replacement temperature reference value and pressure reference value, generating a warning signal for informing of tire replacement;

in the warning unit, receiving the warning signal and warning a driver.

24. A method for estimating a tire life in a tire-life estimating apparatus having a transmitter having a transmission storage unit for storing tire position identification information, a receiver having a storage unit for storing tire replacement temperature reference value and pressure reference value, and a warning unit for warning a replacement time of a tire, the method comprising the steps of:

in the transmitter, measuring an internal pressure of a tire resulting from running of a vehicle and an internal temperature of the tire resulting from a tire friction with a road surface, generating temperature and pressure measurement data having the tire position identification information and the measured pressure and temperature, and loading and transmitting the generated temperature and pressure measurement data on a wireless signal;

in the receiver, detecting the temperature and pressure measurement data from the wireless signal, detecting the tire position identification information and the internal pressure and temperature from the wireless signal, calculating an instantaneous temperature slope and an instantaneous pressure value, comparing the calculated instantaneous temperature slope and instantaneous pressure value with the tire replacement temperature reference value and pressure reference value, respectively, and if any one of the calculated instantaneous temperature slope and instantaneous pressure value is greater than the tire replacement temperature reference value and pressure reference value, generating a warning signal for informing of tire replacement; and

in the warning unit, receiving the warning signal and warning a driver.

25. The method according to claim 24, wherein the warning unit informs of a replacement time of the tire in a text or graphic form.

26. The method according to claim 24, wherein the warning unit informs of a replacement time of the tire by an audible sound.

27. The method according to claim 24, further comprising the step of:

outputting the tire position identification information from a controlling unit to the warning unit.

28. The method according to claim 27, wherein the warning unit receives the tire position identification information and the warning signal, and informs of a replacement time and a position of the tire to be replaced, in a text or graphic form.

29. The method according to claim 27, wherein the warning unit informs of a replacement time and a position of the tire by an audible sound.