TWM598791U - Tire data detecting device - Google Patents

Abstract

A wheel data detection device includes a housing, a wheel data detection module, an energy collection module, and an energy management module. The housing is locked in a shape matching the shape of a wheel. The wheel data detection module The group is used to detect wheel data when a working voltage is provided. The energy harvesting module collects environmental energy to generate an input voltage. The energy management module is used to receive the input voltage and perform voltage conversion on the input voltage. The operating voltage is generated, and the input voltage is generated by the energy harvesting module according to external environmental energy, so that the energy management module can be converted into a work that can be continuously supplied to the wheel data detection module for operation Voltage, so there is no need to replace the battery regularly, thereby reducing environmental pollution problems.

Description

Wheel data detection device

This new model relates to a device related to the wheels of a vehicle chassis, in particular to a wheel data detection device for detecting vehicle tire data.

Existing wheel data detection devices are operated by the power stored in the battery to detect vehicle tire data. However, due to the limited power of the battery, the wheel data detection device cannot be used for a long time, and the battery replacement will also cause Environmental pollution issues, so the existing wheel data detection device needs to be improved.

Therefore, the purpose of the present invention is to provide a wheel data detection device that can improve the disadvantages of the prior art.

Therefore, the new wheel data detection device includes a housing, a wheel data detection module, an energy collection module, and an energy management module.

The shell is locked in a matching shape with a wheel.

The wheel data detection module is arranged on the housing to detect wheel data when a working voltage is provided.

The energy collection module is used for collecting an environmental energy to generate an input voltage.

The energy management module is electrically connected to the wheel data detection module and the energy collection module, and the energy management module is used for receiving the input voltage and performing voltage conversion on the input voltage to generate the working voltage.

The effect of the present invention is that the energy harvesting module generates the input voltage according to external environmental energy, so that the energy management module can be converted into a work that can be continuously supplied to the wheel data detection module for operation Therefore, there is no need to replace the battery regularly or use the battery, thereby reducing environmental pollution.

Referring to FIG. 1, an embodiment of the new wheel data detection device includes a housing 2, a wheel data detection module 3, an energy collection module 4, and an energy management module 5.

The shell 2 is locked in a matching shape with a wheel 1.

The wheel data detection module 3 is arranged inside the housing 2 for detecting data of the wheel 1 when a working voltage is provided.

It should be further explained that the wheel data detection module 3 includes a radio frequency unit 31, a sensing unit 32, a control unit 33, and a data transmission unit 34. The radio frequency unit 31 is used to send and receive wireless signals. The measuring unit 32 is used for sensing air pressure to generate a corresponding pressure signal, and the control unit 33 is used for receiving the pressure signal and processing the signal to convert the corresponding data, which is transmitted by the data transmission unit 34 to an external communication device.

Referring to Figure 2, the wheel 1 is provided with a radio frequency identification electronic tag 6, and the radio frequency identification electronic tag 6 is configured with a sensor for detecting the temperature, humidity, vibration degree, orientation and other parameters of the wheel 1. There are identification data of the rim or tire. In more detail, it records the relevant identification data of the wheel 1, such as manufacturer name, product number, date of manufacture, specifications... etc. When the RFID tag 6 is installed on the After the wheel 1, the control unit 33 can read the relevant data of the wheel 1 recorded by the radio frequency identification tag 6 through the radio frequency unit 31. In addition, when the wheel 1 is mounted on a vehicle, the wheel data detection module The sensing unit 32 of 3 can detect the tire pressure corresponding to the wheel 1 according to the working voltage, and the control unit 33 performs related signal processing. When the data transmission unit 34 of the wheel data detection module 3 is When an external mobile device 8 installed with the corresponding application software is connected, the data transmission unit 34 can transmit the data processed by the control unit 33 to the mobile device 8 for the mobile device 8 to use The application software converts the corresponding weight of the vehicle, so that it can be known at any time whether the vehicle is overloaded and whether the body is in the center of gravity balance. In addition to converting the weight of the vehicle with wheels 1, the application software can also instantly know whether the body is in the center of gravity balance. The load distribution can cause the gravity of the vehicle body to significantly deviate from the center of gravity. The application software sends out instant notifications to ensure driving safety. When applied to large vehicles driving on highways, it can also save weighing fees. It is worth mentioning that the sensing unit 32 can also sense the temperature and humidity related parameters of the wheel 1, and when the wheel is equipped with a vehicle running, it can also detect the corresponding vibration degree, orientation, and voltage change related parameters.

With reference to FIG. 3, firstly, the specific configuration of the housing 2 and the wheel 1 when they are locked in cooperation with each other will be described.

Specifically, the wheel 1 includes a rim 11, a tire 12, an air chamber 13 and an air nozzle 14. The rim 11 has an outer surface 111 and an inner surface 112, and the tire 12 is mounted on the rim 11 The outer surface 111, and the air chamber 13 is located in the enclosed space between the rim 11 and the tire 12, and the air nozzle 14 is provided on the rim 11 and protrudes from the inner surface 112 of the rim 11 and interacts with the air. The chamber 13 is in communication for inflating and discharging the wheel 1, and the air nozzle 14 also has a screw lock portion 141 with a threaded surface.

The housing 2 has a screw hole 21 with a threaded surface. The shape of the screw hole 21 matches the shape of the screw lock portion 141, and the two are screwed together so that the housing 2 is installed on the wheel 1 for installation. The sensing unit 32 (not shown) inside the casing 2 detects the pressure in the air chamber 13 to obtain the tire pressure of the wheel 1, and the casing 2 is made of dielectric.

Referring again to FIG. 1, the energy harvesting module 4 is used to harvest an environmental energy to generate an input voltage.

The energy management module 5 is electrically connected to the wheel data detection module 3 and the energy collection module 4. The energy management module 5 is used to receive the input voltage and perform voltage conversion on the input voltage to generate the working voltage .

With reference to Figure 4, the specific circuit architecture of the energy harvesting module 4 and the specific source of the environmental energy will be further described below. The energy harvesting module 4 includes a radio frequency energy harvesting circuit 41, a thermal energy harvesting circuit 42, and a vibration source. Collection circuit 43, and an air flow source collection circuit 44.

The radio frequency energy collection circuit 41 is electrically connected to the energy management module 5, the environmental energy is a wireless signal, and the radio frequency energy collection circuit 41 generates the input voltage according to the energy corresponding to the wireless signal. In addition, the radio frequency energy collection circuit 41 The transmitted signal can be a pure radio frequency wave or a carrier wave used to carry data signals.

To further illustrate, the radio frequency energy harvesting circuit 41 includes a transmitter 411 installed outside the wheel 1, and a receiver 412 electrically connected to the energy management module 5. The transmitter 411 transmits the wireless signal, the The receiver 412 receives the wireless signal, and generates the input voltage according to the energy corresponding to the wireless signal. Both the transmitter 411 and the receiver 412 are equipped with far-field transmission antennas, which are in effective visual line of sight (LOS: Line of sight). of sight) to transmit wireless signals.

The thermal energy collection circuit 42 is electrically connected to the energy management module 5, the environmental energy is environmental thermal energy, and the thermal energy is collected in a heat conduction manner to generate the input voltage.

The vibration source acquisition circuit 43 is electrically connected to the energy management module. The environmental energy is a shock wave caused by a vibration change when the wheel is running. The vibration source acquisition circuit generates the input voltage according to the shock wave generated by the wheel 1.

The airflow source collection circuit 44 is electrically connected to the energy management module. The environmental energy comes from the airflow around the wheel 1 when the wheel 1 is running. The airflow source collection circuit generates the input voltage according to changes in the airflow.

It is worth mentioning that the energy management module 5 includes a power management circuit 51 that electrically connects the energy collection module 4 and the wheel data detection module 3, and a power management circuit 51 that is connected to the power management circuit 51 and the wheel data detection module. The power storage unit 52 electrically connected to the measurement module 3, the power management circuit 51 receives the input voltage generated by the energy harvesting module 4 and performs voltage conversion to generate the working voltage, and the power storage unit 52 is used for charging according to the working voltage Specifically, for example, they are Supercapacitors or rechargeable batteries in various forms such as button, foldable, flexible, or film forms to provide a corresponding backup voltage to the wheel data detection module 3. To allow the wheel data detection module 3 to operate to detect the tire pressure corresponding to the wheel 1. In addition, the energy management module 5 can also adopt a design without the power storage unit 52, that is, the power management circuit 51 receives the Input voltage and directly provide working voltage to the wheel data detection module 3.

Refer to Figure 5, which is a second embodiment of the new wheel data detection device. The difference from the first embodiment is that the housing 2 has a tube 22 and a tube 22 disposed on one side of the tube 22. The sealing member 23, and a pressing member 24. The sealing member 23 has a gas pipe 231 with open ends and a gas valve 232 located inside the gas pipe 231. The part of the gas pipe 231 covered by the pipe body 22 has an appearance Concave shape (not shown in the figure), the gap formed by the concave cavity and the tube body 22 is provided for the arrangement of the wheel data detection module 3, the energy collection module 4, and the energy management module 5 The flexible substrate 6 and the air pipe 231 also have a through hole 233 for the wheel data detection module 3 to detect the air pressure inside the air chamber 13. The lower open end of the air pipe 23 is connected to the upper end surface of the pipe 22 , The air valve 232 can be displaced between a closed position and an open position. When the air valve 232 is in the closed position, the air valve 232 seals the upper end surface of the pipe body 2. When the air valve 232 is filled with gas , The air valve 232 is pressed to the open position by the gas, so that the air chamber 13 of the wheel 1 can be connected to the outside, so the wheel data detection module 3 can be directly connected to the wheel 1 without removing the wheel data detection module 3 to achieve It is more convenient to use. In order to increase airtightness, the seal 23 has a cover 234 covering the upper open end of the air tube 231; in addition, considering that the inner tires of the vehicle are not easily inflated due to the cover of the outer tires The problem is that the air nozzle 14 is also connected to a connecting portion 25 in a screw-locked manner. The lower end of the tube 22 and the connecting portion 25 are connected to each other, and the pressing member 24 is arranged inside the connecting portion 25 to increase wheel information. The overall setting height of the detecting device can further facilitate the user to inflate and deflate the wheel 1.

Refer to FIG. 6, which is a third embodiment of the new wheel data detection device. The difference from the first embodiment is that the housing 2 is directly mounted on the inner surface 112 of the rim 11, and the wheel The ring 11 is provided with a through hole 113, the housing 2 is embedded in the through hole 113, and the design of the pressing member 24 as in the second embodiment is omitted, so that the overall assembly position of the wheel data detection device is less restricted effect.

In summary, the new wheel data detection device uses the energy harvesting module 4 to collect surrounding environmental energy to convert it into the input voltage, wherein the environmental energy collected by the energy harvesting module is in one or more forms , The power management circuit 51 of the energy management module 5 converts the operating voltage according to the input voltage, and then continuously supplies power to the wheel data detection module 3 to detect the tire pressure of the wheels, and simultaneously To charge the rechargeable power storage unit 52. When the environmental energy is interrupted, the power storage unit 52 can also provide a backup voltage that can replace the working voltage to the wheel data detection module 3 for its operation, so there is no need to replace the battery In addition, a design that does not require the power storage unit 52 can also be adopted. The power management circuit 51 receives the input voltage and directly provides the working voltage to the wheel data detection module 3, and at the same time reduces the environmental pollution caused by battery replacement. Therefore, it is indeed possible to achieve the purpose of costing new models.

However, the above are only examples of the present model. When the scope of implementation of the present model cannot be limited by this, all simple equivalent changes and modifications made in accordance with the scope of the patent application of the present model and the contents of the patent specification still belong to This new patent covers the scope.

1: wheel 11: Wheels 111: outer surface 112: inner surface 113: Through hole 12: Tires 13: Air chamber 14: Gas mouth 141: Screw Lock 2: shell 21: screw hole 22: Tube body 23: Seal 231: Trachea 232: Valve 233: Through hole 234: Lid 24: pressed parts 25: Connection part 3: Wheel data detection module 31: RF unit 32: sensing unit 33: control unit 34: data transmission unit 4: Energy harvesting module 41: RF energy collection circuit 42: Thermal energy collection circuit 43: Vibration source acquisition circuit 44: Airflow source collection circuit 5: Energy management module 51: power management circuit 52: Power storage unit 6: RFID electronic tags

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, among which: Figure 1 is a block diagram illustrating a first embodiment of the new wheel data detection device; Figure 2 is a perspective view illustrating a radio frequency identification electronic tag and the placement of a housing on a wheel of the first embodiment; Figure 3 is a partial cross-sectional view to assist in explaining the interlocking state of the first embodiment and a wheel; 4 is a block diagram to assist in explaining an energy harvesting module of the first embodiment; Figure 5 is a partial cross-sectional view illustrating a second embodiment of the new wheel data detection device; and Figure 6 is a partial cross-sectional view illustrating a third embodiment of the new wheel data detection device.

1: wheel

2: shell

3: Wheel data detection module

31: RF unit

32: sensing unit

33: control unit

34: data transmission unit

4: Energy harvesting module

5: Energy management module

8: mobile device

Claims (10)

A wheel data detection device, including: A shell, which is latched in accordance with the shape of a wheel; A wheel data detection module, arranged on the housing, for detecting the wheel data when a working voltage is provided; An energy harvesting module for harvesting an environmental energy to generate an input voltage; and An energy management module is electrically connected to the wheel data detection module and the energy collection module. The energy management module is used for receiving the input voltage and performing voltage conversion on the input voltage to generate the working voltage. The wheel data detection device according to claim 1, wherein the energy collection module includes a radio frequency energy collection circuit electrically connected to the energy management module, the environmental energy is a wireless signal, and the radio frequency energy collection circuit is based on The energy corresponding to the wireless signal generates the input voltage. The wheel data detection device according to claim 2, wherein the radio frequency energy collection circuit includes a transmitter installed outside the vehicle, and a receiver electrically connected to the energy management module, and the transmitter transmits The wireless signal, the receiver receives the wireless signal, and generates the input voltage according to the energy corresponding to the wireless signal. The wheel data detection device according to claim 1, wherein the energy collection module includes a thermal energy collection circuit electrically connected to the energy management module, the environmental energy is environmental thermal energy, and the thermal energy collection circuit conducts heat The input voltage is generated by collecting and receiving environmental heat energy. The wheel data detection device according to claim 1, wherein the energy collection module includes a vibration source collection circuit electrically connected to the energy management module, and the environmental energy is caused by vibration changes when the wheel is running The shock wave, the shock source acquisition circuit generates the input voltage according to the shock wave generated by the wheel. The wheel data detection device according to claim 1, wherein the energy collection module includes an airflow source collection circuit electrically connected to the energy management module, and the environmental energy comes from the airflow around the wheel during operation, the The airflow source collection circuit generates the input voltage according to the change of the airflow. The wheel data detection device according to claim 1, wherein the energy management module includes a power management circuit electrically connected to the energy collection module and the wheel data detection module, and a power management circuit and The power storage unit electrically connected to the wheel data detection module, the power management circuit receives the input voltage and performs voltage conversion to generate the working voltage, and the power storage unit is used for charging according to the working voltage and providing a corresponding backup voltage To the wheel data detection module, for the wheel data detection module to operate and detect the data of the wheel. The wheel data detection device according to claim 7, wherein the power management circuit receives the input voltage and directly provides a working voltage to the pressure detection module. The wheel data detection device according to claim 1, wherein the wheel data detection module detects a corresponding wheel data when the wheel is equipped with a vehicle according to the operating voltage, and the wheel data includes tire pressure, temperature, and humidity , At least one of the voltage, orientation, and vibration level of the energy management module. The wheel data detection device according to claim 9, wherein the wheel data detection module is also in communication with an external mobile device, and the mobile device detects the wheel according to the wheel data detection module Data and convert the corresponding weight of the vehicle.

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