TWM639632U - Tire positioning angle detection type rim accessories and tire positioning angle detection warning system - Google Patents

Abstract

A tire positioning angle detection type rim fitting, a tire positioning angle detection and warning system and a tire positioning angle detection and warning method. The tire positioning angle detection type rim fitting is detachably arranged on the rim, and includes a base material and a sensor module. The base material is detachably disposed on the rim, the sensor module is disposed on the base material, and generates a plurality of measurement data, and the measurement data are used to calculate the inclination data of the tire relative to at least one reference axis. The tire positioning angle detection and warning system compares the inclination data with the standard value, and issues a warning if the difference between the inclination data and the standard value is outside the allowable range.

Description

Tire positioning angle detection type wheel accessories and tire positioning angle detection warning system

This creation is related to the technical field of a tire positioning angle detection device, in particular to a tire positioning angle detection type wheel rim accessory with a tire positioning angle detection sensor module installed on the wheel rim, and a tire positioning angle detection device. A detection warning system and a tire positioning angle detection warning method.

The tires of the vehicle are installed on the vehicle body and when the vehicle is running, the wheels rotate around the axle to drive the vehicle forward or backward. Since the tires of the vehicle and the vehicle body form a rotating dynamic structure, the balance between the tire and the vehicle body structure is not only related to driving safety, but also directly affects the service life of the vehicle.

The existing vehicle tire installation procedure includes that after the tire is installed to the rim to form the tire structure, it is necessary to do a balance test of the tire structure first, and add counterweights to the appropriate position of the rim according to the test structure so that the tire structure itself can achieve the rotation. dynamic equilibrium. After the tire structure is combined with the wheel axle, in order to adjust the value and direction of the friction force between the tire and the ground and thus increase the stability of the vehicle when driving, the inclination values of the tire structure are usually adjusted appropriately, which is generally called wheel alignment. In this way, the load of the suspension system and the steering system of the vehicle can meet the specifications designed by the original factory, avoiding the loss of the suspension system and the steering system, and at the same time maintain the balance state of the vehicle while driving, increasing driving safety and comfort.

The existing wheel alignment is carried out by the driver to a specific wheel alignment manufacturer, so the driver usually cannot know whether the inclination angle of the tire changes when driving the vehicle, and often waits until the vehicle has a problem, such as the body shakes or makes a noise , Only the driver will drive the vehicle into the repair shop, so it is easy to cause driving safety problems, and it is easy to increase the loss of the suspension system and the steering system due to the inappropriate inclination angle of the tires. Therefore, how to detect the status of the tires in real time and warn the driver is an important issue.

Taiwan invention patent I771173B discloses a tire pressure detection chip installed on the tire, real-time detection of tire pressure and warning to the driver. However, I771173B discloses the detection of tire pressure, and it does not propose a solution for detecting the tire inclination angle of the vehicle. Taiwan's invention patent I774424B discloses a method for detecting the speed of a tire to determine whether the wheel is a left wheel or a right wheel. It also does not provide a solution for detecting the tire inclination of the vehicle. In addition, the tire pressure detection chip is installed at the joint between the tire and the rim, and the disassembly and assembly of this detection device must be carried out at the manufacturer. Users cannot purchase and install it by themselves, which is not conducive to the promotion of this technology. .

In view of this, the purpose of this creation is to provide a tire alignment angle detection type rim accessory, tire alignment angle detection warning system and tire alignment angle detection warning method, which will include accelerometer and gyroscope sensor module set On the rim fitting, then install on the rim along with the rim fitting. This creation can obtain multiple inclination angle values of the tire structure through the measurement data of the sensor module, and after comparing the multiple inclination angle values with the standard inclination angle values, a warning is issued.

The tire positioning angle detection type rim accessory of the invention is detachably arranged on the rim, the rim has an outer peripheral surface and an axial end surface, the outer peripheral surface of the rim is combined with a tire to form a tire structure, and the axle The end surface is rotatably combined with the wheel axle, and an embodiment of the tire alignment angle detection type wheel rim accessory includes a base material and a sensor module. The base material is detachably arranged on the rim, the sensor module is arranged on the base material, and at least one measurement data is generated, and the at least one measurement data is used to calculate the inclination data of the tire relative to at least one reference axis. The base material is a rim cover of the rim, and is used to be arranged in a central hole of the rim, and the sensor module includes at least one sensor, which is an accelerometer of a micro-electromechanical device.

According to the above technical features, the sensor module is disposed on a surface of the substrate facing the central hole.

According to the above technical features, the sensor module is located in the central hole.

According to the above technical features, the base material has a bottom wall and an outer peripheral wall connected to the bottom wall, the bottom wall and the outer peripheral wall form an accommodating space, the sensor module is arranged on the bottom wall and located in the accommodating In the space, the outer peripheral wall is provided with an engaging structure for engaging with the central hole.

According to the above technical features, the sensor module further includes a circuit board, and the accelerometer is disposed on the circuit board.

According to the above technical features, the at least one measurement data is a plurality of measurement data, and the measurement data are measured by the accelerometer along a first measurement axis, a second measurement axis and a third measurement axis The component of gravitational acceleration, the first measurement axis is perpendicular to the axial end surface of the rim, the second measurement axis and the third measurement axis are parallel to the axial end surface of the rim and perpendicular to The first measurement axis, the second measurement axis and the third measurement axis are perpendicular to each other.

According to the above technical features, the sensor module further includes a processor and a wireless transceiver unit, the processor and the wireless transceiver unit are arranged on the circuit board, the sensor and the wireless transceiver unit are electrically connected to the processor, the The measured data are sent to the processor, and the processor performs calculation or is sent by the processor via the wireless transceiver unit.

According to the above technical features, the processor includes a computing unit, which receives the measurement data and calculates the tilt angle data according to an algorithm.

According to the above technical features, the sensor module further includes a power supply unit connected to the processor, and the power supply unit supplies power to the sensor module.

According to the above technical features, a first measuring axis of the sensor is perpendicular to the axial end face of the rim.

According to the above technical features, the first measuring axis is arranged on the center of the rim cover and/or on the central axis of the center hole of the rim.

According to the above technical features, the first measuring axis overlaps with the central axis of the central hole of the rim.

The invention provides a tire alignment angle detection and warning system, which includes at least one tire alignment angle detection type rim accessory, at least one tire structure, a central processing unit and a warning unit. At least one tire structure is provided with the tire alignment angle detection type wheel rim accessory. The central processing unit receives the measurement data to calculate the isoclinity data or receives the isoclinity data, and compares the isoclinity data with multiple standard values. The processing unit generates a control signal. The warning unit is connected to the central processing unit, receives control signals and sends out warnings.

According to the above-mentioned technical features, the central processing unit is disposed in the vehicle computer of the vehicle, or the central processing unit is disposed in a mobile device.

According to the above technical features, the tire alignment angle detection and warning system further includes at least one tire structure, and the tire structure is provided with the tire alignment angle detection type wheel fitting.

According to the above technical features, the tire alignment angle detection and warning system further includes a display, the inclination data is displayed on the display, and the display is used as the warning unit to display warning messages.

According to the above technical features, the warning unit is a light signal arranged on the instrument panel of the vehicle.

This creation provides a tire positioning angle detection and warning method, which includes the following steps: installation step: a tire positioning angle detection type rim accessory including a sensor module is arranged on the rim of a tire structure of a vehicle; communication pairing Step: Make the sensor module pair with a device including a central processing unit to form a communication connection; Measuring step: The sensor module generates at least one measurement data; Calculation step: The measurement data is calculated by an algorithm An inclination data of the tire relative to at least one reference axis; and a comparing and warning step: the central processing unit compares the inclination data with a standard value, and issues a warning when the inclination data deviates from the standard value.

According to the above technical features, the tire alignment angle detection and warning method further includes a correction step: install the tire structure on which the tire alignment angle detection type rim accessory has been installed on a vehicle, and implement a four-wheel alignment procedure to obtain the inclination angle This standard value for the data.

According to the above technical features, the at least one measurement data in the calculation step is a plurality of measurement data, and the measurement data are calculated relative to a first reference axis, a second reference axis and a third reference axis of the tire structure. Multiple inclination data of reference axes, wherein the first reference axis is defined as an axis parallel to the wheel axis and perpendicular to the direction of gravity, and the second reference axis is defined as an axis perpendicular to the first reference axis and perpendicular to the direction of gravity direction, the third reference axis is defined as an axis parallel to the direction of gravity.

The tire alignment angle detecting wheel rim accessory of this creation is detachably arranged on the rim, and the user can purchase it by himself and install it on the rim. When the vehicle stops at a red light) or when driving continuously, detect the inclination angle values of the tire structure, such as camber (the angle between the centerline of the wheel and the vertical line) and other angles, and compare it with the standard value range of each inclination angle , to issue an alert.

Please refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, which represent an embodiment of the tire alignment angle detection type rim accessory of the present invention. The tire alignment angle detection type rim accessory 100 of this embodiment is set on the rim R of the vehicle, and the rim R is mounted on the wheel axle F ( FIG. 5 ). The rim R has an outer peripheral surface and an axial end surface R1, the outer peripheral surface of the rim is combined with a tire W to form a tire structure T, and the axial end surface R1 is rotatably combined with the wheel axle. The tire alignment angle detection type rim accessory 100 includes a substrate 10 and a sensor module 20 . The sensor module 20 is disposed on the base material 10 , and the base material 10 is detachably disposed on the rim R. The substrate 10 of this embodiment is a rim cover, which is arranged in the center hole R2 of the rim R, and the sensor module is arranged on the surface of the substrate 10 facing the center hole R2, and the substrate 10 is installed on the rim When R, the sensor module will be located in the center hole R2. But the present invention is not limited thereto. In other embodiments, the base material 10 may also be various accessories detachably arranged on the rim, such as bolt covers, rim moldings, and the like.

The substrate 10 of this embodiment includes a bottom wall 11 and an outer peripheral wall 12, the outer peripheral wall 12 is connected to the bottom wall 11 to form an accommodating space S, and the sensor module 20 is arranged on the bottom wall 11 and located in the accommodating space S , the outer peripheral wall 12 is provided with an engaging structure 13 for engaging with the central hole R2. The top of the peripheral wall 12 is provided with a cover 14, which seals the accommodating space S, and a seal 15 is provided at the joint between the cover 14 and the peripheral wall 12 to prevent moisture or dust from entering the accommodating space S, and the sensor module Group 20 causes corrosion or damage. The engaging structure 13 of this embodiment is an engaging protrusion, which is engaged with the engaging hole R3 of the central hole R2, and the sealing member 15 is an O-ring. In another embodiment, the sensor module 20 itself may also include a sealed housing, and the electronic components are sealed in the sealed housing, so as to prevent external water vapor or dust from entering the sensor module 20 during driving and causing corrosion. or damaged.

The sensor module 20 includes a circuit board 21 , a plurality of sensors 22 , a processor 23 , a wireless transceiver unit 24 , a power supply unit 25 and a memory unit 26 . A sensor 22, a processor 23, a wireless transceiver unit 24, a power supply unit 25, and a memory unit 26 are arranged on a circuit board 21, and the plurality of sensors 22 include an accelerometer and a gyroscope of a micro-electromechanical system, and the accelerometer can also be called an acceleration sensor, and The accelerometer is a gravitational accelerometer, which detects the components of the gravitational acceleration on three measurement axes as measurement data, that is, a three-axis accelerometer. The measured data is sent to the processor 23, and the processor 23 includes a computing unit, which calculates the measured data according to a predetermined algorithm to obtain inclination data, and the obtained inclination data is transmitted to the driving of the vehicle through the wireless transceiver unit 24 Computer or driver's mobile device. The power unit 25 provides the power used by the sensor module 20. The memory unit 26 can store the firmware required by the processor 23 for calculation or data transmission. The power unit 25 can be a button battery or a rechargeable lithium battery. In another embodiment, after the measurement data is transmitted to the processor 23, the processor 23 itself does not perform calculations but transmits the measurement data to the driving computer of the vehicle or the driver's mobile device through the wireless transceiver unit 24, and the driving The computer or mobile device calculates the inclination data according to a predetermined algorithm. The sensor module 20 further includes a universal serial bus (USB) 27, so as to update the firmware of the sensor module 20 and charge and discharge the power supply unit 25 (when the power supply unit 25 is a secondary battery that can be charged and discharged, such as lithium batteries).

The tire alignment angle detection and warning system of the present invention is used in a vehicle, which includes four above-mentioned tire alignment angle detection type rim accessories 100 , four tire structures T, a central processing unit 200 and a warning unit 300 . Each tire structure T is provided with a tire alignment angle detection type rim accessory 100 for detecting the inclination angle of each tire structure T. The central processing unit 200 receives the measurement data and calculates the iso-tilt data, or the processor 23 of the sensor module 20 calculates the iso-tilt data, and transmits the iso-tilt data to the central processing unit 200 . The central processing unit 200 compares the inclination data with a plurality of standard values. When the inclination data deviates from the predetermined range of the standard value, the central processing unit 200 generates a control signal to the warning unit 300, and the warning unit 300 is connected to the central processing unit. The unit 200 and the warning unit 300 send out a warning after receiving the control signal.

As shown in FIG. 2 , the central processing unit 200 can be the central processing unit of the driver's mobile device M, the warning unit 300 can be the display of the mobile device M, and the mobile device M is equipped with a tire alignment angle detection type rim accessory 100 corresponding After the program is applied, the inclination data of each tire structure T can be displayed on the display of the mobile device M in real time, and when the inclination data deviates from the predetermined range of the standard value, a warning will be generated on the display. In another embodiment, the central processing unit 200 may also be the central processing unit of the vehicle's trip computer, and the warning unit 300 may be a display on the vehicle center console or a display light on the instrument panel.

As shown in Fig. 5, Fig. 6A, Fig. 6B, Fig. 7A, Fig. 7B and Fig. 8, when the accelerometer and the gyroscope of the sensor 22 of the sensor module 20 are installed behind the tire structure T, since the accelerometer and the gyroscope are for The three measurement axes of the installed tire structure T measure the acceleration value and the angular velocity value, as shown in Figure 8, these three measurement axes of the three-axis accelerometer are respectively the first measurement axis x, the second measurement axis The measuring axis y and the third measuring axis z, the first measuring axis x is perpendicular to the axial end surface R1 of the rim R, preferably the first measuring axis x is located at the center of the wheel cover and/or the rim On the central axis of the central hole R2 of R, the second measurement axis y and the third measurement axis z are parallel to the axial end face R1 of the rim R and perpendicular to the first measurement axis x, and the second measurement axis y and the third measuring axis z are perpendicular to each other. During installation, the first measurement axis x, the second measurement axis y and the third measurement axis z correspond to the first reference axis X, the second reference axis Y and the third reference axis Z respectively; preferably Specifically, during installation, the first measurement axis x, the second measurement axis y, and the third measurement axis z are respectively parallel to the first reference axis X, the second reference axis Y, and the third reference axis Z described later.

The inclination data of the tire structure T is measured according to three reference axes, that is, multiple inclination data of the first reference axis X, the second reference axis Y, and the third reference axis Z, wherein the first reference axis X is defined as parallel In the axial direction of the wheel axis F and perpendicular to the direction of gravity G, the first reference axis X of this embodiment is the extension direction of the wheel axis F; the second reference axis Y is defined as the axis perpendicular to the first axis and perpendicular to the direction of gravity G In this embodiment, the second reference axis Y is the direction in which the vehicle travels or the longitudinal direction of the vehicle; the third reference axis Z is defined as an axis parallel to the direction of gravity G, that is, the third reference axis Z is the vertical direction. Therefore, the inclination angle (or called the included angle) of the tire structure T relative to the first reference axis X or the third reference axis Z is the aforementioned camber angle, as shown in Fig. 5, Fig. 6A, Fig. 6B, Fig. 7A, Fig. 7B and Fig. 8 Example.

時，即為前述之外傾角(camber)，傳感器22的加速度計的第一量測軸x與第一基準軸X也會產生與傾角

相同角度的夾角。於這種狀況下，加速度計會量測出重力加速度g在第一量測軸x上的分量

，接著依照

，即加速度計所量測出第一量測軸x上的分量

是等於重力加速度g與傾角

的正弦值的積，而求得傾角

的角度值，也就是外傾角的角度值。 For example, FIG. 5 is a schematic diagram of a tire structure producing a camber angle, FIG. 6A is a schematic diagram of a tire structure not producing an inclination angle at the first reference axis (X axis), and FIG. 6B is a vehicle tire structure producing a camber angle at the first reference axis (X axis). Schematic diagram of inclination (camber). When the tire structure T produces an inclination angle relative to the first reference axis X

, that is, the aforementioned camber, the first measurement axis x and the first reference axis X of the accelerometer of the sensor 22 will also produce the same inclination angle

Angles of the same angle. In this case, the accelerometer will measure the component of the gravitational acceleration g on the first measurement axis x

, followed by

, that is, the component on the first measurement axis x measured by the accelerometer

is equal to the gravitational acceleration g and the inclination angle

The product of the sine value of , and obtain the inclination

The angle value of , that is, the angle value of the camber angle.

時，即為前述之外傾角(camber)，傳感器22的加速度計的第三量測軸z與第三基準軸Z也會產生與傾角

相同角度的夾角。於這種狀況下，加速度計會量測出重力加速度g在第三量測軸z上的分量

，接著依照

，即加速度計所量測出第三量測軸z上的分量

是等於重力加速度g與傾角

的餘弦值的積，而求得傾角

的角度值，也就是外傾角的角度值。 Similarly, FIG. 7A is a schematic diagram of the tire structure without an inclination angle at the third reference axis (Z axis), and FIG. 7B is a schematic diagram of the tire structure with an inclination angle (camber angle) at the third reference axis (Z axis). When the tire structure T produces an inclination angle relative to the third reference axis Z

When , that is, the aforementioned camber, the third measurement axis z and the third reference axis Z of the accelerometer of the sensor 22 will also produce an inclination angle

Angles of the same angle. In this case, the accelerometer will measure the component of the gravitational acceleration g on the third measuring axis z

, followed by

, that is, the component on the third measurement axis z measured by the accelerometer

is equal to the gravitational acceleration g and the inclination angle

The product of the cosine value of , and obtain the inclination

The angle value of , that is, the angle value of the camber angle.

，及/或該至少一個傳感器22為可量測重力加速度g在第三量測軸z上的分量

。於安裝時，使得第一量測軸x及第三量測軸z分別對應於第一基準軸X及第三基準軸Z；較佳地，於安裝時，使得第一量測軸x及第三量測軸z分別平行於第一基準軸X及第三基準軸Z。特別說明的是，於安裝時，使該至少一個傳感器22的第一量測軸x為垂直於輪圈R的軸向端面R1，且第一量測軸x設置於輪圈蓋的中心及/或輪圈R的中心孔R2的中心軸線上，較佳地第一量測軸x與輪圈R的中心孔R2的中心軸線重疊，因此即使車輛在持續行駛且非靜止狀態下，也可以測得外傾角的角度值。 Therefore, the aforementioned sensor module 20 may include a circuit board 21 , at least one sensor 22 , a processor 23 , a wireless transceiver unit 24 , a power supply unit 25 and a memory unit 26 . Wherein, the at least one sensor 22 can measure the component of the gravitational acceleration g on the first measurement axis x

, and/or the at least one sensor 22 can measure the component of the gravitational acceleration g on the third measurement axis z

. During installation, the first measurement axis x and the third measurement axis z correspond to the first reference axis X and the third reference axis Z respectively; preferably, during installation, the first measurement axis x and the second measurement axis The three measurement axes z are parallel to the first reference axis X and the third reference axis Z respectively. In particular, during installation, the first measurement axis x of the at least one sensor 22 is perpendicular to the axial end surface R1 of the rim R, and the first measurement axis x is arranged at the center of the wheel cover and/or Or on the central axis of the central hole R2 of the rim R, preferably the first measurement axis x overlaps with the central axis of the central hole R2 of the rim R, so even when the vehicle is continuously running and not stationary, it can also measure Get the camber angle value.

、

和

， 分量

與重力方向G的夾角為夾角α，分量

與重力方向G的夾角為夾角β，分量

與重力方向G的夾角為夾角γ。其中，

，即加速度計所量測出第一量測軸x上的分量

是等於重力加速度g與夾角α的餘弦值的積，而求得夾角α的角度值；

，即加速度計所量測出第二量測軸y上的分量

是等於重力加速度g與夾角β的餘弦值的積，而求得夾角β的角度值；

，即加速度計所量測出第三量測軸z上的分量

是等於重力加速度g與夾角γ的餘弦值的積，而求得夾角γ的角度值。 As shown in Figure 8, other angles of the tire structure can be detected by using the aforementioned triaxial accelerometer. In Figure 8, the direction of the horizontal line corresponds to the direction of the first reference axis X, so the acceleration of gravity g measured by the accelerometer is on the first measurement axis x, the second measurement axis y and the third measurement axis z components, which are

,

and

, component

The included angle with the gravity direction G is the included angle α, and the component

The included angle with the gravity direction G is the included angle β, and the component

The included angle with the gravity direction G is the included angle γ. in,

, that is, the component on the first measurement axis x measured by the accelerometer

It is equal to the product of the gravitational acceleration g and the cosine value of the included angle α, and the angle value of the included angle α is obtained;

, that is, the component on the second measurement axis y measured by the accelerometer

is equal to the product of the acceleration of gravity g and the cosine value of the included angle β, and the angle value of the included angle β is obtained;

, that is, the component on the third measurement axis z measured by the accelerometer

It is equal to the product of the gravitational acceleration g and the cosine value of the included angle γ, and the angle value of the included angle γ is obtained.

Therefore, multiple inclination data and other angle data of the tire structure T can be obtained through the accelerometer. In addition, the gyroscope can measure the angular velocity of the tire structure T relative to the first measuring axis x, the second measuring axis y and the third measuring axis z, which can be used to assist in judging and correcting each inclination angle in the calculation of each inclination angle data data.

Please refer to FIG. 9 , which shows an embodiment of the tire alignment angle detection and warning method of the present invention. As shown in Figure 9, step S1 is an installation step. In step S1, a tire alignment angle detection type rim accessory including a sensor module is installed on the rim, and then the tire is installed on the rim to form a tire structure. . Then go to step S2.

Step S2 is a communication pairing step. In step S2, the sensor module is paired with a device including a central processing unit to form a communication connection. For example, the sensor module includes a wireless transceiver unit, and the wireless transceiver unit can use a bluetooth chip. The sensor module is paired with the driver's mobile device or the vehicle's computer to form a communication connection. Then go to step S3.

Step S3 is a calibration step. In step S3, the tire structure equipped with the tire alignment angle detection type rim accessory is installed on a vehicle, and the four-wheel alignment procedure is implemented to obtain the standard value of the inclination data. For example, install the tire structure equipped with the tire alignment angle detection type rim accessories on the vehicle at the manufacturer that implements the four-wheel alignment of the vehicle, and then implement the four-wheel alignment of the vehicle in a standard process. After the positioning is completed, the sensor module measures The inclination data of the obtained tire structure is the standard value, and the standard value can be stored in a person's mobile device or a car computer of a vehicle as a basis for comparison. Then go to step S4.

Step S4 is a measurement step. In step S4, the sensor module generates at least one or more measurement data. When the vehicle is in a stopped state during driving (the vehicle stops when encountering a red traffic light) or continues to drive, the sensor module continuously generates measurement data, which is the acceleration of the aforementioned three measurement axes value. Then go to step S5.

Step S5 is a calculation step. In step S5, an algorithm is used to calculate an inclination data of the tire relative to at least one reference axis from the measured data, which can be calculated by the processor of the sensor module or by the central processing unit. Then go to step S6.

Step S6 is a comparison and warning step. In step S6, the central processing unit compares the inclination data with a standard value, and issues a warning when the inclination data deviates from the predetermined range of the standard value.

The tire alignment angle detecting wheel rim accessory of this creation is detachably installed on the rim, and the user can purchase it and install it on the rim, and at the same time detect the inclination angle values of the tire structure during the driving of the vehicle, for example Camber (camber, the angle between the center line of the wheel and the vertical line) and other angles, and after comparing with the standard value range of each inclination angle and/or other angles, a warning is issued.

However, the above is only a preferred embodiment of this creation, and should not limit the scope of implementation of this creation, that is, all simple equivalent changes and modifications made according to the patent scope of this creation and the content of the new description, All still belong to the scope covered by this creation patent. In addition, any embodiment or patent scope of this creation does not need to achieve all the purposes or advantages or characteristics disclosed in this creation. In addition, the abstract part and the title are only used to assist in the search of patent documents, and are not used to limit the scope of rights of this creation. In addition, terms such as "first" and "second" mentioned in this specification or the scope of the patent application are only used to name elements (elements) or to distinguish different embodiments or ranges, and are not used to limit the number of elements. upper or lower limit.

10: Substrate

11: bottom wall

12: Peripheral wall

13: Snap structure

14: cover body

15: Seal

20: Sensor module

21: Circuit board

22: Sensor

23: Processor

24: Wireless transceiver unit

25: Power supply unit

26: memory unit

27: Universal serial bus

100:Tire alignment angle detection wheel rim accessories

200: central processing unit

300: warning unit

F: Axle

G: Gravity direction

M:Mobile

R: rim

R1: Axial end face

R2: center hole

R3: Fastening hole

S: storage space

T: tire structure

W: tire

x: the first measuring axis

y: the second measurement axis

z: the third measuring axis

X: the first reference axis

Y: Second reference axis

Z: The third reference axis

α: included angle

β: Angle

γ: included angle

θ1: inclination angle

θ2: inclination angle

S1～S6: steps

FIG. 1 is a schematic diagram of the tire alignment angle detection type wheel rim accessory of the present invention being arranged on the wheel rim. Fig. 2 is an exploded view of the tire alignment angle detection type rim accessory of the present invention arranged on the rim. FIG. 3 is a cross-sectional view of the tire alignment angle detection type rim accessory of the present invention arranged on the rim. FIG. 4 is a block diagram of a new tire alignment angle detection type wheel rim accessory. Fig. 5 is a schematic diagram of the camber angle generated by the tire structure. FIG. 6A is a schematic diagram of a tire structure without an inclination angle at a first reference axis (X axis). FIG. 6B is a schematic diagram of a tire structure generating an inclination (camber angle) on a first reference axis (X-axis). FIG. 7A is a schematic diagram of a tire structure without an inclination angle at a third reference axis (Z axis). FIG. 7B is a schematic diagram of the inclination angle (camber angle) generated by the tire structure on the third reference axis (Z axis). 8 is a schematic diagram of the first measurement axis, the second measurement axis and the third measurement axis, the horizontal line and the direction of gravity of the sensor module of the tire alignment angle detection type rim accessory of the present invention. FIG. 9 is a flow chart of an embodiment of the tire alignment angle detection and warning method of the present invention.

10: Substrate

20: Sensor module

22: Sensor

23: Processor

24: Wireless transceiver unit

25: Power supply unit

26: memory unit

100:Tire alignment angle detection wheel rim accessories

M:Mobile

R: rim

R1: Axial end face

R2: center hole

T: tire structure

W: tire

X: the first reference axis

Y: Second reference axis

Z: The third reference axis

G: Gravity direction

Claims (17)

A tire positioning angle detection type rim marker, which is detachably arranged on a rim (R), the rim (R) has an outer peripheral surface and an axial end surface (R1), the rim (R) The outer peripheral surface is combined with a tire (W) to form a tire structure (T), and the axial end surface (R1) is rotatably combined with the wheel axle (F). The tire positioning angle detection type wheel rim accessory (100) It includes: a substrate (10), which is detachably arranged on the rim (R); and a sensor module (20), which is arranged on the substrate (10), and generates at least one measurement data, and the at least one The measured data is used to calculate the inclination data of the tire structure (T) relative to at least one reference axis; wherein the base material (10) is a rim cover of the rim (R) and is used for setting on the rim (R) a central hole (R2), and the sensor module (20) includes at least one sensor (22), and the sensor (22) is an accelerometer of a micro-electromechanical device. The tire alignment angle detection type rim accessory according to claim 1, wherein the sensor module (20) is arranged on a surface of the substrate (10) facing the center hole (R2). The tire alignment angle detecting wheel rim accessory according to claim 2, wherein the sensor module (20) is located in the center hole (R2). The tire alignment angle detection type rim accessory according to claim 1, wherein the base material (10) has a bottom wall (11) and a peripheral wall (12) connected to the bottom wall (11), the bottom The wall (11) and the peripheral wall (12) form an accommodating space (S), the sensor module (20) is arranged on the bottom wall (11) and is located in the accommodating space (S), and the peripheral wall ( 12) An engaging structure (13) for engaging in the center hole (R2) is provided. The tire alignment angle detection type rim accessory according to claim 1, wherein the sensor module (20) further includes a circuit board (21), and the accelerometer is arranged on the circuit board (21). The tire alignment angle detection type rim accessory as described in claim 5, wherein the at least one measurement data is a plurality of measurement data, and the measurement data are the accelerometer along a first measurement axis (x) , a second measurement axis (y) and a third measurement axis (z) measure the component of gravitational acceleration, the first measurement axis (x) is perpendicular to the axial end surface of the rim (R) (R1), the second measuring axis (y) and the third measuring axis (z) are parallel to the axial end face (R1) of the rim (R) and perpendicular to the first measuring axis ( x), the second measurement axis (y) and the third measurement axis (z) are perpendicular to each other. The tire alignment angle detection type rim accessory as described in claim 6, wherein the sensor module (20) further includes a processor (23) and a wireless transceiver unit (24), the processor (23) and the The wireless transceiver unit (24) is arranged on the circuit board (21), the sensor (22) and the wireless transceiver unit (24) are electrically connected to the processor (23), and the measurement data are sent to the processor ( 23), calculating by the processor (23) or sending by the processor (23) via the wireless transceiver unit (24). The tire alignment angle detection type rim accessory as described in Claim 7, wherein the processor (23) includes a computing unit, receives the measurement data, and calculates the inclination data according to an algorithm. The tire alignment angle detection type rim accessory as described in claim 8, wherein the sensor module (20) further includes a power supply unit (25), which is connected to the processor (23), and the power supply unit (25) Power is supplied to the sensor module (20). The tire alignment angle detection type rim accessory according to claim 1, wherein a first measurement axis (x) of the sensor (22) is perpendicular to the axial end face (R1) of the rim (R) . The tire alignment angle detection type rim accessory according to claim 10, wherein the first measurement axis (x) is set at the center of the rim cover and/or the center hole (R2) of the rim (R) ) on the central axis. The tire alignment angle detection type rim accessory according to claim 11, wherein the first measuring axis (x) overlaps with the central axis of the center hole (R2) of the rim (R). A tire alignment angle detection and warning system, which includes: at least one tire alignment angle detection type rim accessory (100) as described in any one of claims 1 to 12; a central processing unit (200), receiving the The measured data calculates the inclination data or receives the inclination data, and compares the inclination data with a standard value, and when the inclination data deviates from the standard value beyond the predetermined range, the central processing unit (200) generates a control signal ; An alert unit (300), connected to the central processing unit (200), receives the control signal and issues an alert. The tire alignment angle detection and warning system as described in claim 13, wherein the central processing unit (200) is arranged on a vehicle computer of a vehicle, or, the central processing unit (200) is arranged on a mobile device (M ). The tire alignment angle detection and warning system according to claim 13 further includes: at least one tire structure (T) provided with the tire alignment angle detection type rim fitting (100). The tire alignment angle detection and warning system as described in claim 14 or 15 further includes a display on which the inclination data is displayed, and the display serves as the warning unit to display warning messages. The tire alignment angle detection and warning system according to claim 13, wherein the warning unit is a light signal arranged on a dashboard of a vehicle.

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