TWM600255U - Rim hole type tire monitoring stucture - Google Patents

Abstract

The present invention is a rim hole type tire monitoring structure, including a sensor; the tire pressure sensor have a sensor body, a communication mode electrically connecting to the sensor body; the sensor body is combined with an inner side of a tire rim body; an antenna unit of the communication mode is configured by passed through a via hole on the tire rim body for wireless connecting to a reader; wherein, the sensor body detects tire parameters

Description

Perforated rim monitoring structure

This creation is about a monitoring device, especially a rim perforated monitoring structure, which can be installed on the rim to monitor the parameters of the tire.

The automobile industry is advancing day by day, and many device structures are equipped with automatic monitors to monitor whether the car can maintain good operating performance, protect driving safety, and avoid driving accidents. Among them, the most common concern is tire pressure. Starting from July 1, 2016, Taiwan has amended the provisions of Article 68 of the vehicle safety standards. All new trucks and passenger cars must be equipped with a Tire-pressure monitoring system (Tire-pressure monitoring system, TPMS), when the absolute detected tire pressure working pressure is reduced to 20%, the system must light up to warn driving, and if the new vehicle does not have a tire pressure detector installed, the vehicle will not be licensed to go on the road.

A general tire pressure detector will generate a notification symbol on the dashboard when the vehicle is started. When the tire pressure drops to 20%, the system will light up to warn the driver that the tire pressure is insufficient. At present, tire pressure detectors can be divided into direct and indirect types according to different measurement methods; according to the installation position, they can be divided into in-tire or in-tire type.

The indirect tire pressure detector is the tire pressure detection auxiliary system set by the car factory. The operating principle of the tire pressure detection auxiliary system is to compare the speed difference of the four tires of the vehicle when driving through the wheel speed sensor of the ABS/EPS system. When the tire's outer diameter is reduced due to insufficient tire pressure, the system will signal an abnormal tire condition. Because it does not directly measure the air pressure inside the tire, it is called an indirect tire pressure detector (Wheel-Speed Based TPMS, WSB TPMS). However, indirect tire pressure detectors cannot provide tire pressure data, only warnings about abnormal tire pressure. The direct tire pressure detector is to directly install tire pressure sensors in the four tires of the vehicle, and through the receiver system, the tire pressure data can be directly displayed on the display on the receiver, which is easy to read Take; because it can directly read the tire pressure data of each tire, it can improve driving safety, which is called a direct tire pressure detector (Pressure-Sensor Based TPMS, PSB TPMS).

The tire pressure detector outside the tire is installed on the tire valve, that is, the owner can purchase and install it by himself, but because it is not fixed in the tire, it is easy to be damaged, pulled out and stolen by the intentional person, and under long-term use, because When exposed to the air nozzle, the structure is easily deformed and embrittled by the wind and sun, and it will fall off when the tire rotates at high speed. The in-tire tire pressure detector is installed in the tire and integrated with the tire. It is semi-permanently fixed. The general device has a battery and the power is usually maintained for 3 to 5 years. The owner cannot install the in-tire tire pressure detector by himself. The tester can only be installed through the vehicle repair shop, usually when the tire is replaced.

At present, auto repair shops encourage car owners to install an in-tire tire pressure detector, because the in-tire tire pressure detector is fixed in the tire, which is more stable and accurate than an out-of-tire tire pressure detector. However, because the in-tire type tire pressure detector needs to be fixed to the tire frame, and the weight and volume are usually large, balance correction is required after installation to avoid the jitter when the tire rotates; in addition, because the tire is often embedded with metal Nets and vehicle rims are usually made of metal materials. When the tire pressure detector is installed inside the tire, signal shielding problems often occur, resulting in incomplete data sent and received. Secondly, in addition to tire pressure as an important monitoring item, tire speed, dynamic balance and static balance and other vehicle conditions are also important monitoring items.

In view of the above-mentioned shortcomings, the creator intends to provide a rim perforated monitoring structure, which is equipped with a tire. The rim perforated monitoring structure includes a sensor, and the sensor has a sensor body, And a communication module electrically connected to one side of the sensor body. The sensor body is combined with the inner side of a rim body, and the antenna element of the communication module passes through a through hole on the rim body to be wirelessly connected to a reader.

Furthermore, the sensor system is a vehicle sensor.

Further, the power supply of the sensor is electrically connected to the antenna element of the communication module.

Further, the antenna element receives the electromagnetic wave signal of the reader to generate a current and a control signal, the current is provided to the power supply via the antenna element, and the control signal is provided to a control chip via the antenna element .

Further, an airtight rubber is arranged between the antenna element and the via hole.

Further, the pressure detecting end of the sensor body is located in the tire cavity of the tire.

The perforated rim monitoring structure of this creation has the following advantages;

1. The perforated rim monitoring structure of this creation can effectively avoid the problem of signal shielding by tires or rims and ensure the integrity of the signal.

2. Due to the small size and light weight of the rim perforated monitoring structure of this creation, when installed in the tire frame, it will not shake due to the large size and weight, which will affect the operation of the tire.

3. The perforated rim monitoring structure of this creation can effectively monitor the tire condition and ensure driving safety.

The following description of this creation is that ordinary knowledgeable persons in the technical field can easily understand the necessary technology of this creation, and as long as it does not violate the spirit and scope of the creation, they can change and modify this creation in various ways to adapt to different uses and conditions. In this way, other embodiments are also included in the scope of the patent application.

Please refer to "Figure 1" and "Figure 2", which are the block diagrams and assembly diagrams of the perforated monitoring structure for this creative wheel respectively, as shown in the figure:

The perforated rim monitoring structure 100 of this invention is set in conjunction with a tire body 30 and includes a sensor 10 installed on the rim body 30 to monitor the value in the tire cavity 20 . The sensor 10 has a sensor body 11 and a communication module 12 electrically connected to one side of the sensor body 11.

The sensor body 11 is disposed on the inner side of the rim body 30. In a preferred embodiment, the sensor body 11 may be a vehicle sensor for sensing the tire condition, for example It can be, but is not limited to, a tire pressure sensor, a temperature sensor, a sound sensor, a multi-axis sensor, an acceleration sensor, or a gravity sensor, etc., to detect tire pressure, temperature, Tire rotation noise (Noise), tire speed, tire dynamic balance or tire static balance, etc., are not restricted in this creation; among them, tire rotation noise (Noise) can be used to confirm tire wear and monitor tire pressure , Tire speed, Tire dynamic balance or Tire static balance can understand whether the tire can keep the car body balanced and stable while driving.

The communication module 12 is coupled to the reader 200 in a wireless transmission manner, so that the reader 200 can access the data of the control chip 14 to collect tire data. In a preferred embodiment, the communication module 12 can be any wireless communication module, such as but not limited to passive radio frequency identification (RFID), GSM, Bluetooth or Wifi. , And this creation is not limited to these; according to the calculation method of transmission, the wireless communication module can be but not limited to time division multiplexing (TDMA) receiving transmitter, code division multiple access (CDMA) receiving transmitter, Frequency division multiplexing (FDMA) receiving transmitter, orthogonal frequency division multiplexing (OFDM) receiving transmitter, or orthogonal frequency division multiplexing multiple access (OFDMA) receiving transmitter, and this creation is not limited to these; The reader 200 uses high-frequency electromagnetic waves to transmit signals (ie, control signals) to the antenna element 121 of the communication module 12. After the antenna element 121 receives the high-frequency electromagnetic waves, it resonates inside the antenna and generates electricity to activate the control chip 14. After the control chip 14 receives the transmitted signal, it returns the response signal back to the fetcher 200.

The power supply 13 is connected to the antenna element 121, and the power supply 13 is used to obtain electricity through the antenna element 121, and preprocess the current before feeding it to start and enable the control chip 14 . In a preferred embodiment, the power supply 13 can be, for example, a filter, an AC-to-DC converter, a transformer, or other similar pre-processing circuits, which are not limited in this creation.

The control chip 14 is connected to the antenna element 121 and the power supply 13 to coordinate the operation of the devices. In a preferred embodiment, the control chip 14 may be a microprocessor (Micro Processor), which is activated after being enabled by the power supply 13 and executes the corresponding algorithm. Wherein, the control chip 14 can be co-constructed as a single chip with the sensor body 11 or the communication module 12, or implemented on a different chip from the sensor body 11 or the communication module 12. There is no restriction in this creation.

Please refer to "Figure 2", which is a schematic diagram of the assembly of the perforated monitoring structure for this creative wheel, as shown in the figure:

The communication module 12 is electrically connected to the sensor body 11 and wirelessly connected to the reader 200 via the antenna element 121 so that the reader 200 can access the sensor body 11 detected The data. In order to avoid signal shielding, the antenna element 121 of the communication module 12 passes through the via hole 31 on the rim body 30 to prevent the rim of metal material or the reinforced metal mesh in the tire from shielding the antenna element 121 to ensure the signal The transmit and receive strength. Wherein, the pressure detecting end 111 of the sensor body 11 is located in the tire chamber 20 to monitor tire pressure data in the tire chamber. The "in the tire cavity" specifically refers to the pressure detecting end 111 of the sensor body 11 and the tire cavity 20 in the same closed space. Therefore, regardless of the sensor body 11 The pressure detecting end 111 is directly arranged in the tire chamber 20, or is connected to the tire chamber 20 via an air passage or air path, which all belong to the equal scope of this creation.

In order to achieve the airtight effect, in a preferred embodiment, an airtight rubber 32 is preferably provided between the antenna element 121 and the via 31, and the antenna element 121 and the antenna element 121 and the via hole 31 are covered by the airtight rubber 32. The gap between the via holes 31 is to prevent gas from leaking out. In addition, in another preferred embodiment, the outer side of the antenna element 121 itself can also be directly covered with flexible plastic (such as rubber), and the antenna element 121 is directly embedded in the position of the via hole 31, so that the flexible plastic It is tightly matched with the via hole 31 to achieve an air-tight effect, which is not limited in this creation.

Please refer to "Figure 3", which is a schematic diagram of the connection of the reader sensor of this creative, as shown in the figure:

When the sensor 10 of the present invention is used in a vehicle, it can be installed on the rims of the four tires of the vehicle to monitor the condition of each tire of the vehicle. The reader 200 can also be integrated with a general vehicle condition monitoring system.

The reader 200 is a wireless identification reader, which includes an antenna, a display, a control module, and a recording module; the antenna is coupled to the communication module 12 of the sensor 10 and transmits and receives wireless signals; the display can use the antenna The received values are displayed for the user to read to understand the current four tire conditions of the vehicle; the recording module can be used to record the tire monitoring parameters received by the radio frequency identification antenna to record and track the tire conditions; the control module The group is a central processing system that can integrate and coordinate the antenna, display, and recording module. In addition, the control module can be further equipped with an early warning module. When the monitored tire monitoring parameters are abnormal, the early warning module A warning signal will be issued to notify the user. For example, the warning threshold for general tire pressure is reduced to 20%.

In summary, the perforated rim monitoring structure of this creation can effectively avoid the problem of tire or rim shielding signals, ensure the integrity of the signal, and is small and light. When installed on the tire frame, it will not be affected by the volume And the weight is too large and jitters, which affects the operation of the tires, which can effectively monitor the tires and ensure the safety of driving.

The above has been a detailed description of this creation, but the above is only a preferred embodiment of this creation. It should not be used to limit the scope of implementation of this creation, that is, everything made in accordance with the scope of patent application for this creation is equal Changes and modifications should still fall within the scope of the patent for this creation.

100: rim perforated monitoring structure 10: Sensor 11: Sensor body 111: Pressure detection end 12: Communication module 121: antenna element 13: power supply 14: control chip 20: Chamber 30: The rim body 31: Via 32: airtight rubber 40: Tires 50: nut 200: Reader

Figure 1, the block diagram of the perforated monitoring structure of the rim of the creative.

Figure 2 is a schematic diagram of the assembly of the perforated monitoring structure of the rim of the creative.

Figure 3 is a schematic diagram of the connection between the authoring reader and the sensor.

100: sensor

10: Sensor

11: Sensor body

12: Communication module

121: antenna element

13: power supply

14: control chip

200: Reader

Claims (6)

A rim perforated monitoring structure is set in conjunction with a tire. The rim perforated monitoring structure includes a sensor. The sensor has a sensor body and an electrical connection to the sensor body. One side of the communication module, the sensor body is combined with the inner side of the rim body of the tire, and the antenna element of the communication module passes through a via hole on the rim body, thereby wirelessly connecting to a reader . In the perforated rim monitoring structure described in item 1 of the scope of patent application, the sensor body is a vehicle sensor. According to the rim perforation monitoring structure described in item 1 or 2 of the scope of patent application, the power supply of the sensor is electrically connected to the antenna element of the communication module. For example, the perforated rim monitoring structure described in item 1 or 2 of the scope of patent application, wherein the antenna element receives the electromagnetic wave signal of the reader to generate a current and a control signal, and the current is provided by the antenna element To the power supply, the control signal is provided to a control chip via the antenna element. For the perforated rim monitoring structure described in item 1 or 2 of the scope of patent application, an airtight rubber is arranged between the antenna element and the via hole. The perforated rim monitoring structure according to item 1 or 2 of the scope of patent application, wherein the pressure detecting end of the sensor body is located in the tire cavity of the tire.

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