TWI777704B - Tire with sensor (2) - Google Patents

Abstract

A tire equipped with a sensor is provided with a tire inner wall on the inner side of the tire body of the tire, a pocket structure is formed on the inner wall of the tire, and a sensor is accommodated and fixed in the pocket structure. To sense and wirelessly transmit one or more physical state parameters of the tire to the outside; the present invention accommodates and fixes the sensor at a position adjacent to the tire inner wall by means of the pocket structure formed by the inner wall of the tire, and then uses the sensor to sense Measure the physical state of the tire, such as tire pressure, temperature, acceleration or sound, and wirelessly transmit the data to an external receiver to analyze the tire or vehicle driving conditions.

Description

Tire with sensor (2)

The present invention relates to the structure of a tire and its accessories; in particular, it relates to a tire provided with a sensor.

Existing sensors commonly used to detect tires, such as tire pressure sensors, are combined with the valve of the rim, and the sensor is located in the tire to measure the air pressure in the tire. After the aforementioned tire pressure sensor installed on the rim valve senses the air pressure in the tire, it will transmit the air pressure data to the outside such as a trip computer to receive, and judge whether the tire pressure in the tire is abnormal, and then issue a warning to the driver. signal.

The above-mentioned tire pressure sensor located at the rim valve can be used to detect the air pressure inside the tire because the tire pressure is the same everywhere in the tire. However, this kind of tire pressure sensor is located near the rim and far from the tire body.

In view of this, the purpose of the present invention is to provide a structure in which the sensor is integrated into the inner side of the tire, and the physical state parameters of the tire can be better sensed by the sensor adjacent to the tire itself.

In order to achieve the above object of the invention, the present invention provides a tire provided with a sensor, which includes a tire and a sensor combined with the inner side of the tire.

The tire has a tire body and a pocket structure, a tire inner wall is formed on the inner side of the tire body, and the pocket structure is formed on one side of the tire inner wall.

The sensor is used for sensing more than one physical state parameter of the tire, and then wirelessly sends the data of each physical state parameter to the outside; the sensor is accommodated and fixed in the pocket structure, thereby fixing the sensor to the tire the inner wall of the tire.

The effect of the present invention is that the sensor can be accommodated and fixed at a position adjacent to the tire inner wall through the pocket structure formed on the inner wall of the tire. The sensor can sense various physical state parameters of the tire, such as tire pressure, temperature, acceleration or sound, and obtain different data with better and higher accuracy, so as to analyze the driving safety of the vehicle and the dryness of the road surface. Wetness, grade angle, vehicle speed or wheel alignment is accurate.

In order to describe the present invention more clearly, preferred embodiments are given and described in detail with the drawings as follows. Referring to FIGS. 1 to 4, a tire 100 provided with a sensor according to a preferred embodiment of the present invention includes a tire 10 and a sensor 20 combined with the tire 10. When the tire 10 is used Installed on the vehicle, when the tire 10 is installed on the vehicle, the sensor 20 senses the physical state of the tire 10 when the vehicle is stationary, started or running.

The tire 10 has a tire body 12 with a tire inner wall 121 formed on the inner side of the tire body 12 , the tire 10 also has a pocket structure 14 , and the pocket structure 14 is combined with one side of the tire inner wall 121 .

The sensor 20 is used for sensing more than one physical state parameter of the tire 10, and then wirelessly transmits data of each physical state parameter to the outside. When the sensor 20 is combined with the tire 10 , it is accommodated and fixed in the pocket structure 14 , whereby the sensor 20 is fixed on the inner wall 121 of the tire 10 .

In the above preferred embodiment of the present invention, the sensor 20 is a tire pressure detector. Preferably, the one or more physical state parameters can be selected from the group consisting of tire pressure, temperature, acceleration and sound. With the difference of the measured physical state parameters, the sensor 20 is provided with a Pressure sensing elements, temperature sensing elements, gyroscopes, gravity sensors and other acceleration sensing elements, magnetic field sensing elements or sound sensing elements; the sensor 20 can sense the physical states of the tire 10 nearby parameter.

When the sensor 20 senses the tire pressure and transmits the physical state parameter data wirelessly to the outside, a receiver that receives the data outside, such as the trip computer of the vehicle, can use it to determine whether the tire is punctured; when the sensor 20 senses When the temperature of the tire 10 is too high or too low, it can be judged whether the temperature of the tire 10 is too high or too low. When the sensor 20 senses the acceleration, it can be judged by the vibration of the road surface of the tire 10 that the road is dry or wet, the speed of the vehicle, Determine whether the tire 10 deviates from the positioning by whether the direction of the vehicle is consistent with the direction of the tire 10, or the inclination angle of the tire 10 on the up and down slope section; when the sensor 20 senses the sound, the data of the sound reflected by the road can be used. The thickness of the tire 10 is judged. In the present invention, the sensor 20 is fixed on the inner wall 121 of the tire 10 , and when sensing various physical state parameters of the tire 10 , better and more accurate data can be obtained, so as to analyze various driving conditions of the vehicle. Status improves road safety.

The specific structure of the pocket structure 14 in the above preferred embodiment will be further described. The pocket structure 14 is a rubber bag body made of the same material as the tire inner wall 121 and has elasticity. The pocket structure 14 has a receiving portion 141 inside, and an opening 142 is formed on one side of the receiving portion 141 . The shape of the receiving portion 141 is matched with Or slightly smaller than the size of the sensor 20, when the sensor 20 is placed in the receiving portion 141 through the opening 142 to be accommodated and fixed, preferably, it is fixed in the receiving portion 141 with a little tightness, thereby The sensor 20 can be prevented from falling out of the receiving portion 141 .

It is further explained that the pocket structure 14 and the sensor 20 in the above preferred embodiment are located in the preferred position of the inner wall 121 of the tire. The tire body 12 has a tread portion 122 , two belly portions 123 connected to both sides of the tread portion 122 , and two bead portions 124 respectively connected to the ends of the belly portions 123 . The inner tire wall 121 covers the tire. The face 122 and the inner side of the abdomen 123 of the second child. In order to enable the sensor 20 to better sense the acceleration of the tire 10 when rolling, or to better sense the acceleration of the tire 10 due to road surface vibration, the sensor 20 can be positioned at a position that contacts the road surface. The tread portion 122 is in the middle. In order to form the above structure, the pocket structure 14 is formed in the middle position of the inner wall 121 of the tire and the belly 123 of the second tire equidistant, so that the sensor 20 can be combined with the inner surface of the tread portion 122 through the pocket structure 14 the middle position.

In the above-mentioned preferred embodiment, please refer to FIG. 4 , in order to avoid the acceleration of rotation of the tire 10 when rolling, the sensor 20 will fall off from the opening 142 of the pocket structure 14, preferably, the tire is defined as When rolling, the tangential acceleration direction of the pocket structure 14 on the tread portion 122 is an acceleration direction A, and the direction of the opening 142 of the pocket structure 14 is the same as the acceleration direction A. Therefore, when the tire 10 is mounted on the vehicle and rotates at an accelerated rate, the sensor 20 is only moved toward the deeper direction of the receiving portion 141 , which can further prevent the sensor 20 from falling off from the opening 142 .

Please refer to FIG. 5 , which is the circuit structure of the sensor 20 in the above-mentioned preferred embodiment of the present invention. When the sensor 20 is used in conjunction with the tire 10 , it will send out the wireless signals of the physical state parameters. The signal is provided by an external wireless receiving module 30 to receive.

The sensor 20 has a processor module 21 including an 8-bit processor 211 and a 32-bit processor 212 . The sensor 20 further has a pressure sensing element 22 , a temperature sensing element 23 , an acceleration sensing element 24 , a magnetic field sensing element 25 , a communication element 26 and A battery module 27, the battery module 27 provides the power supply for the operation of the sensor 20, the communication element 26 is electrically connected to an antenna 28, through which the antenna 28 can send out a radio high frequency signal at a frequency of 315 MHz or 433 MHz, Or send out a wireless signal for Bluetooth communication.

When the sensor 20 is combined with the tire 10 to operate, the processor module 21 receives the pressure sensing element 22 , the temperature sensing element 23 , the acceleration sensing element 24 and the magnetic field sensing element 25 . The data of the physical state parameters are sent out through the communication element 26 in the form of wireless signals.

When the wireless receiving module 30 for receiving wireless signals is an external display, the wireless receiving module 30 has a display 31 and a light signal 32 . The communication element 26 of the sensor 20 sends out a bluetooth wireless signal or a 315 MHz or 433 MHz radio high-frequency signal to communicate with the wireless receiving module 30 , and displays various physical state parameters on the display 31 of the wireless receiving module 30 When the wireless receiving module 30 judges that the received physical state parameter is abnormal, the light signal 32 can be used to issue a warning.

In addition to the external display, the wireless receiving module 30 can also be a handheld mobile device, such as a smart phone or a tablet computer. At this time, the communication element 26 of the sensor 20 sends a bluetooth wireless signal to the wireless receiving module. 30 Communications. The wireless receiving module 30 can also be a multimedia system built in the dashboard of the vehicle or the on-board computer of the vehicle. At this time, the sensor 20 can selectively communicate via Bluetooth, or 315 MHz or 433 MHz. The radio high-frequency signal communicates with the wireless receiving module 30 .

The above descriptions are only preferred feasible embodiments of the present invention, and any equivalent changes made by applying the description of the present invention and the scope of the patent application should be included in the patent scope of the present invention.

[this invention] 100: tires with sensors 10: Tires 12: Tire body 121: tire inner wall 122: Tread part 123: fetal abdomen 124: Bead lip 14: Pocket Construction 141: Storage Department 142: Opening 20: Sensor 21: Processor module 211: 8-bit processor 212: 32-bit processor 22: Pressure sensing element 23: Temperature sensing element 24: Acceleration sensing element 25: Magnetic Field Sensing Element 26: Communication components 27: Battery Module 28: Antenna 30: Wireless receiving module 31: Display 32: light signal A: acceleration direction

FIG. 1 is a partial cross-sectional perspective view of a tire according to a preferred embodiment of the present invention that has not yet been combined with a sensor. FIG. 2 is a side view of FIG. 1 . 3 is a partial cross-sectional side view of a tire incorporating a sensor according to a preferred embodiment of the present invention. 4 is a schematic diagram of the rolling direction and the opening direction of a tire according to a preferred embodiment of the present invention. FIG. 5 is a block diagram of a sensor in conjunction with a wireless receiving module according to a preferred embodiment of the present invention.

100: tires with sensors

10: Tires

12: Tire body

121: tire inner wall

122: Tread part

123: fetal abdomen

124: Bead lip

14: Pocket Construction

141: Storage Department

142: Opening

20: Sensor

Claims (5)

A tire provided with a sensor, comprising: a tire with a tire body and a pocket structure, the pocket structure has a receiving portion, an opening is formed on one side of the receiving portion, and the tire body has a tread portion , a tire inner wall is formed on the inner side of the tire body, the tire inner wall covers the inner side of the tread portion, the pocket structure is formed on one side of the tire inner wall; and a sensor is used to sense the More than one physical state parameter of the tire, and then wirelessly send the data of each physical state parameter to the outside; the sensor is accommodated and fixed in the pocket structure, thereby fixing the sensor on the inner wall of the tire; wherein, When the tire is rolling, the tangential acceleration direction of the pocket structure on the tread portion is defined as an acceleration direction, and the direction of the opening of the pocket structure is the same as the acceleration direction; the pocket structure is an elastic rubber bag body , the receiving part matches or is smaller than the size of the sensor, and the sensor is tightly fixed in the receiving part. The tire provided with a sensor according to claim 1, wherein the tire body has two belly parts connected to both sides of the tread portion, and two bead portions connected to the ends of each belly part; the pocket structure is formed at the middle position where the inner wall of the fetus is equidistant from the abdomen of the second fetus. The tire provided with a sensor according to claim 2, wherein the sensor is inserted into the receiving portion through the opening to be accommodated and fixed. The tire provided with a sensor according to any one of claims 1 to 3, wherein the sensor is a tire pressure sensor, and the one or more physical state parameters at least include tire pressure. The tire provided with a sensor according to any one of claims 1 to 3, wherein the one or more physical state parameters are selected from the group consisting of tire pressure, temperature, acceleration and sound.

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