CN112622978A

CN112622978A - Sensor device, wheel and wheel fault monitoring method

Info

Publication number: CN112622978A
Application number: CN202011577784.6A
Authority: CN
Inventors: 孙亚新; 李岩峰; 田华; 赵峥
Original assignee: BEIJING JYD DIGITAL TECHNOLOGY CO LTD
Current assignee: BEIJING JYD DIGITAL TECHNOLOGY CO LTD
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-04-09

Abstract

The invention provides a sensor device, a wheel and a wheel fault monitoring method, relates to the technical field of train monitoring equipment, and aims to solve the technical problem that an existing train wheel monitoring device needs an external power supply and a lead to a certain extent. The invention provides a sensor device for a wheel, which comprises a first mounting component, a second mounting component, a magnet, a coil and a sensing mechanism, wherein the first mounting component is arranged on the first mounting component; the first mounting component is connected with a rotating shaft of the wheel, and the magnet is mounted on one side of the first mounting component, which is far away from the rotating shaft; the second mounting component is connected with a shaft end cover of the wheel, and the rotating shaft rotates relative to the shaft end cover so that the first mounting component rotates relative to the second mounting component; the coil is arranged on the second mounting component and is opposite to the movement track of the magnet; the sensing mechanism is arranged on one side, away from the coil, of the second mounting component and is connected with the coil wire so as to provide power for the sensing mechanism.

Description

Sensor device, wheel and wheel fault monitoring method

Technical Field

The invention relates to the technical field of train monitoring equipment, in particular to a sensor device, a wheel and a wheel fault monitoring method.

Background

Railways are important infrastructure, and good operation of trains is the key to ensuring safe operation of railways. These, however, must rely on train fault diagnosis techniques.

Because the train wheel is one of the most important key parts in the mechanical part of the train and is also a part with multiple mechanical faults of the railway locomotive, the monitoring, the maintenance and the repair of the train wheel are particularly important in the overhaul and the maintenance of the railway locomotive.

At present, fault monitoring of train wheels includes vibration state monitoring, noise state monitoring, temperature state monitoring, nondestructive inspection state monitoring and the like, and the monitoring means is mostly realized by a sensor. Whether the train wheel has faults or not is reflected through monitoring the audio frequency, the axle temperature and the like when the train wheel rotates.

Most of the conventional fault monitoring devices need to supply power to structures such as sensors through an external power supply, so that a monitoring function is realized. The external power source makes the integration of the integrated device with the train wheels more difficult.

Therefore, it is desirable to provide a sensor device, a wheel and a wheel failure monitoring method to solve the problems in the prior art to some extent.

Disclosure of Invention

The invention aims to provide a sensor device, a wheel and a wheel fault monitoring method, which aim to solve the technical problem that the conventional train wheel monitoring device needs an external power supply and a lead to a certain extent.

The invention provides a sensor device for a wheel, which comprises a first mounting component, a second mounting component, a magnet, a coil and a sensing mechanism, wherein the first mounting component is arranged on the wheel; the first mounting component is connected with a rotating shaft of the wheel, and the magnet is mounted on one side of the first mounting component, which is far away from the rotating shaft; the second mounting component is connected with an axle cover of the wheel, and the rotating shaft rotates relative to the axle cover so as to enable the first mounting component to rotate relative to the second mounting component; the coil is arranged on the second mounting component and is opposite to the motion track of the magnet; the sensing mechanism is arranged on one side of the second mounting component, which is far away from the coil, and is connected with the coil wire so as to provide power for the sensing mechanism.

Wherein the number of the magnets is at least one, and the number of the coils is at least one; the first mounting member and the second mounting member are both disc-shaped; the coil is arranged corresponding to the movement track of the magnet.

Specifically, be formed with on the first installation component with the holding tank that magnet one-to-one set up, magnet inlays to be located in the holding tank.

Wherein, the second installation component deviates from one side of coil and is formed with the installation cavity, sensing mechanism set up in the installation cavity.

Specifically, the sensor device provided by the invention further comprises a sensor cover, wherein a cover body is arranged on the sensor cover in a covering mode, and the sensor cover is buckled on one side, away from the coil, of the second mounting component so as to seal the mounting cavity.

The sensing mechanism comprises a circuit board, a sensor, a processor and a storage; the coil is wired to the circuit board to provide power to the sensor, the memory, and the processor; the sensor is capable of monitoring the condition of the wheel.

Specifically, the sensor comprises at least one of a rotating speed sensor, an acceleration sensor, a temperature sensor, an acoustic sensor and a current-voltage sensor; the rotation speed sensor is used for monitoring the rotation speed of the wheel and transmitting rotation speed data to the processor, and the acceleration sensor is used for monitoring axle vibration data and transmitting the axle vibration data to the processor; the temperature sensor is used for monitoring shaft temperature data and transmitting the temperature data to the processor; the acoustic sensor is used for monitoring abnormal audio data when the wheel rotates and transmitting the audio data to the storage; the current voltage sensor is used for monitoring current voltage data and transmitting the current voltage data to the processor.

Further, the sensing mechanism further comprises an energy storage component, and the coil is in wire connection with the energy storage component to provide power for the energy storage component; the energy storage component provides power for the circuit board.

Compared with the prior art, the sensor device provided by the invention has the following advantages:

the invention provides a sensor device for a wheel, which comprises a first mounting component, a second mounting component, a magnet, a coil and a sensing mechanism, wherein the first mounting component is arranged on the first mounting component; the first mounting component is connected with a rotating shaft of the wheel, and the magnet is mounted on one side of the first mounting component, which is far away from the rotating shaft; the second mounting component is connected with a shaft end cover of the wheel, and the rotating shaft rotates relative to the shaft end cover so that the first mounting component rotates relative to the second mounting component; the coil is arranged on the second mounting component and is opposite to the movement track of the magnet; the sensing mechanism is arranged on one side, away from the coil, of the second mounting component and is connected with the coil wire so as to provide power for the sensing mechanism.

From the analysis, it can be known that, by connecting the first mounting member with the rotating shaft of the wheel and connecting the second mounting member with the shaft cover of the wheel, when the rotating shaft rotates, the first mounting member can be driven to rotate relative to the second mounting member.

And then the magnet is arranged on the first mounting component, the coil is arranged on the second mounting component, and when the first mounting component rotates, the magnet can be driven to rotate relative to the coil, so that the magnetic induction line is cut to generate current.

Because the coil deviates from the one end and the sensing mechanism line connection of magnet in this application, consequently, the electric current can be transmitted to sensing mechanism in, for sensing mechanism provides the electric energy to make sensing mechanism can carry out fault monitoring to the wheel.

Because the sensor device in this application installs in the pivot of a train wheel, and the electric current that produces through the rotation of pivot is the power supply of sensing mechanism, consequently, need not external power supply to can reduce the combination degree of difficulty of sensor device and wheel to a certain extent, and, also need not to arrange the lead wire, thereby can reduce construction cost and construction hidden danger.

In addition, the invention also provides a wheel, which comprises the sensor device, a rotating shaft, a shaft end pressing plate and a shaft end cover; the shaft end pressing plate is sleeved at one end of the rotating shaft and is fixedly connected with the rotating shaft, and the first mounting component is connected with the shaft end pressing plate; the second mounting component is connected with the shaft end cover, and the shaft end cover rotates relative to the shaft end pressing plate, so that the first mounting component can rotate relative to the second mounting component.

During installation, the first installation component is connected with the shaft end pressing plate on the rotating shaft, and the shaft end pressing plate is fixedly connected with the rotating shaft, so that when the rotating shaft rotates, the first installation component can be driven to rotate through the shaft end pressing plate. And the first mounting component is connected with the rotating shaft through the shaft end pressing plate, so that the influence of the vibration of the rotating shaft on the first mounting component can be reduced to a certain extent.

The second mounting component is connected with the shaft end cover, and the shaft end cover can rotate relative to the shaft end pressing plate, so that the second mounting component can rotate relative to the first mounting component, and the purpose of generating current by cutting the magnetic induction lines through the magnets is achieved.

The application also provides a wheel fault monitoring method, which comprises the following steps: step S100, rotating a rotating shaft of a wheel to drive a first mounting component to rotate, so that a magnet on the first mounting component rotates relative to a coil on a second mounting component, and current is generated; step S200, transmitting current to a sensing mechanism, starting to monitor the fault of the wheel after the sensing mechanism obtains electric energy, and sending detection data; and step S300, acquiring at least one piece of detection data, and sending out alarm and early warning information when one piece of detection data exceeds a set range.

Through adopting the sensor device that this application provided, can need not to connect external power source and lead wire, can realize the fault monitoring to the train wheel, avoid producing the influence to the train wheel when rotating.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic overall structural diagram of a sensor device according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a sensor assembly and wheel assembly provided by an embodiment of the present invention;

FIG. 3 is a schematic diagram of a coil position of a sensor device according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a magnet position of a sensor device according to an embodiment of the present invention;

fig. 5 is a schematic flow chart of a wheel fault monitoring method according to an embodiment of the present invention.

In the figure: 1-a first mounting member; 101-accommodating grooves; 2-a second mounting member; 201-installation cavity; 3-a magnet; 4-a coil; 5-a sensor cover; 501-cover body; 6-a rotating shaft; 7-a bearing; 8-a shell; 9-shaft end pressing plate; 10-shaft end cap.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As used herein, the term "and/or" includes any one of the associated listed items and any combination of any two or more of the items.

For ease of description, spatial relationship terms such as "above … …," "upper," "below … …," and "lower" may be used herein to describe one element's relationship to another element as illustrated in the figures. Such spatial relationship terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. The singular forms also are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" specify the presence of stated features, quantities, operations, elements, components, and/or combinations thereof, but do not preclude the presence or addition of one or more other features, quantities, operations, components, elements, and/or combinations thereof.

Variations from the shapes of the illustrations as a result, for example, of manufacturing techniques and/or tolerances, may be expected. Thus, the examples described herein are not limited to the particular shapes shown in the drawings, but include changes in shape that occur during manufacturing.

The features of the examples described herein may be combined in various ways that will be apparent after understanding the disclosure of the present application. Further, while the examples described herein have a variety of configurations, other configurations are possible, as will be apparent after understanding the disclosure of the present application. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

Fig. 1 is a schematic overall structural diagram of a sensor device according to an embodiment of the present invention; FIG. 2 is a cross-sectional view of a sensor assembly and wheel assembly provided by an embodiment of the present invention; FIG. 3 is a schematic diagram of a coil position of a sensor device according to an embodiment of the present invention; fig. 4 is a schematic diagram of a magnet position of a sensor device according to an embodiment of the present invention.

As shown in fig. 1 to 4, the present invention provides a sensor device for a wheel, including a first mounting member 1, a second mounting member 2, a magnet 3, a coil 4, and a sensing mechanism; one end of the first mounting component 1 is connected with one end of a rotating shaft 6 of the wheel, and the magnet 3 is mounted on one side, away from the rotating shaft 6, of the first mounting component 1; the second mounting component 2 is connected with a shaft cover 10 of the wheel, and the rotating shaft 6 can rotate relative to the shaft cover 10 so that the first mounting component 1 can rotate relative to the second mounting component 2; the coil 4 is installed on the second installation member 2 and is arranged opposite to the magnet 3, the sensing mechanism is arranged on one side of the second installation member 2, which is far away from the coil 4, and the coil 4 is in line connection with the sensing mechanism so as to provide power for the sensing mechanism.

the sensor device provided by the invention has the advantages that the first mounting component 1 is connected with the rotating shaft 6 of the wheel, the second mounting component 2 is connected with the shaft end cover 10 of the wheel, and when the rotating shaft 6 rotates, the first mounting component 1 can be driven to rotate relative to the second mounting component 2.

And then through setting up magnet 3 on first mounting component 1, coil 4 sets up on second mounting component 2, when first mounting component 1 rotated, can drive magnet 3 and rotate relative coil 4 to cut magnetic induction line and produce the electric current.

Because coil 4 deviates from the one end and the sensing mechanism line connection of magnet 3 in this application, consequently, the electric current can transfer to sensing mechanism in, for sensing mechanism provides the electric energy to make sensing mechanism can carry out fault monitoring to the wheel.

Because the sensor device in this application installs in the pivot 6 of a train wheel, and drives 3 relative coils 4 rotations of magnet through the rotation of pivot 6 to the electric current that produces is the sensing mechanism power supply, consequently, need not external power supply, thereby can reduce the combination degree of difficulty of sensor device and wheel to a certain extent, and, also need not to arrange the lead wire, thereby can reduce construction cost and construction hidden danger.

As shown in fig. 1 to 4, there is at least one magnet 3; the number of coils 4 is at least one.

The first mounting member 1 and the second mounting member 2 are each disc-shaped in the present application.

The magnets 3 in this application are circular, at least one magnet 3 is arranged on the first mounting member 1, and at least one coil 4 is arranged on the second mounting member 2 corresponding to the movement track of the magnet 3.

Preferably, the number of the magnets 3 in the present application is plural, and further, the number of the magnets 3 is 16, and is arranged along the circumferential direction of the first mounting member 1.

The number of the coils 4 is plural in the present application, and preferably, the number of the coils 4 is 12, and the number of the magnets 3 is more than the number of the coils 4 to enable the generation of the current to be more stable.

It should be added that in the present application, the magnet 3 may be connected to the first mounting member 1 by means of adhesion, and the coil 4 may be connected to the second mounting member 2 by means of adhesion or screwing.

Specifically, as shown in fig. 1 to 4, the first mounting member 1 is formed with an accommodating groove 101 corresponding to the magnets 3 one to one, and the magnets 3 are embedded in the accommodating groove 101.

It should be added here that, in the present application, it is preferable that the magnet 3 is embedded in the accommodating groove 101 so that a surface of the magnet 3 facing the coil 4 is flush with a surface of the first mounting member 1 facing the second mounting member 2.

During operation, the first mounting member 1 drives the magnet 3 to rotate, so that the magnet 3 is embedded in the accommodating groove 101 formed in the first mounting member 1 corresponding to the magnet 3, so that the stability of the magnet 3 during rotation of the first mounting member 1 can be ensured to a certain extent, and the side of the magnet 3 facing the coil 4 and the side of the first mounting member 1 facing the second mounting member 2 can be positioned on the same plane, thereby avoiding interference with the coil 4 during rotation of the magnet 3.

Further, as shown in fig. 1 to 4, a mounting cavity 201 is formed on a side of the second mounting member 2 facing away from the coil 4, and the sensing mechanism is disposed in the mounting cavity 201.

By the mounting cavity 201 formed on the side of the second mounting member 2 facing away from the coil 4, on the one hand, the sensor mechanism can be stably mounted, and on the other hand, the sensor mechanism can be protected to some extent.

As shown in fig. 1 to 4, the sensor device provided by the present invention further includes a sensor cover 5, a cover 501 is covered on the sensor cover 5, and the sensor cover 5 is fastened on a side of the second mounting member 2 away from the coil 4 to close the mounting cavity 201.

The sensor cover 5 fastened to the second mounting member 2 can close the mounting cavity 201, so that the sensing mechanism is located in a relatively closed space. The cover 501 provided on the sensor cover 5 facilitates the transmission and reception of signals by the sensing mechanism.

It should be added that in the present application, a positioning hole matched with the shape of the cover body 501 is formed on the sensor cover 5, a positioning column is arranged in the mounting cavity 201, a screw hole is formed on the positioning column, and the cover body 501 is connected with the positioning column through a bolt, so as to be detachably connected with the second mounting component 2. The connection of the cover 501 to the second mounting member 2 may also be achieved by passing one end of a bolt through the second mounting member 2 and directly screwing the bolt to the cover 501.

Specifically, as shown in fig. 1-4, the sensing mechanism includes a circuit board, a sensor, a storage, and a processor; the coil 4 is wired to the circuit board to provide power to the sensor, memory and processor; the sensors are capable of monitoring the condition of the wheels.

The circuit board in this application can be a plurality of, and the sensor setting is on the circuit board, but the circuit board that is equipped with different sensors demand to set up in different positions to provide electric power for a plurality of circuit boards through coil 4, thereby can enough satisfy the power supply to the sensor, can make the sensor again set up suitable position according to concrete function and demand.

When the wheel is rotating, the current generated by the coil 4 is sent to the circuit board through the wire, and since the sensor and processor are integrated on the circuit board, the sensor and processor can obtain the power generated by the coil 4 and start monitoring the state of the wheel.

Further, as shown in fig. 1-4, the sensor includes at least one of a rotation speed sensor, an acceleration sensor, a temperature sensor, an acoustic sensor, and a current-voltage sensor; the acceleration sensor is used for monitoring axle vibration data and transmitting the axle vibration signal to the processor; the temperature sensor is used for monitoring the temperature of the wheel and transmitting a temperature signal to the processor; the acoustic sensor is used for monitoring the sound generated when the wheel rotates and transmitting a sound signal to the storage; the current-voltage sensor is used for monitoring a current-voltage signal and transmitting the current-voltage signal to the processor.

Through the revolution speed sensor, the acceleration sensor, the temperature sensor and the acoustic sensor which are arranged, the revolution speed, the acceleration, the temperature and the audio frequency of the wheel can be monitored, and analysis and judgment are carried out through processing of the revolution speed, the acceleration, the temperature and the audio frequency, so that the state of the wheel in operation can be monitored in real time, early warning is timely carried out, and the safety of the operation of the vehicle is guaranteed to a certain extent.

In this application, through the current-voltage sensor who sets up, can monitor the supply voltage and the consumption of whole device to can guarantee sensor device's stable operation to a certain extent.

The processor in the application can adopt a wired transmission mode, and a data transmission interface is arranged on the processor to transmit the data acquired by the processor. Preferably, the processor in the application can further comprise a storage unit, the monitored data during the running of the vehicle is stored, and when a fault occurs, complete data information can be acquired, so that the fault generation can be traced conveniently.

It should be added that, preferably, the present application may further include a communication mechanism for transmitting signals by using wireless transmission, where the communication mechanism may include at least one of a 4G or 5G transmitter, bluetooth, a radio frequency identifier, LTE-M (LTE-Machine to Machine) orbital mobile communication, and a beidou satellite, and transmits data detected by the processor.

The sensor in this application can also be according to the sensor type that monitoring demand suitably added like attitude sensor etc..

Further, as shown in fig. 1-4, the sensing mechanism further includes an energy storage component, and the coil 4 is connected with the energy storage component by a wire to provide power to the energy storage component; the energy storage component provides power for the circuit board.

Preferably, still integrated energy storage component on the circuit board in this application, and make coil 4 be connected with energy storage component through the wire to when magnet 3 is rotatory 4 relative to the coil, the electric current of production at first gets into energy storage component, and the rethread energy storage component supplies power to sensor and treater, thereby can guarantee the stability of voltage to a certain extent.

It should be added to note here that, the energy storage assembly in this application can include charging source, and when the wheel rotated, on the one hand can supply power to sensing mechanism, and on the other hand can store the electric energy, when the wheel rotational speed reduced or stopped, still can make sensing mechanism obtain electric power in certain time, promote the monitoring duration of system.

In addition, as shown in fig. 1 to 4, the present invention also provides a wheel, which comprises the above-mentioned sensor device, as well as a rotating shaft 6, a shaft end pressing plate 9 and a shaft end cover 10; the shaft end pressing plate 9 is sleeved at one end of the rotating shaft 6 and is fixedly connected with the rotating shaft 6, and the first mounting component 1 is connected with the shaft end pressing plate 9; the second mounting member 2 is connected to a shaft end cap 10, and the shaft end cap 10 is rotated relative to the shaft end pressure plate 9 to enable the first mounting member 1 to rotate relative to the second mounting member 2.

The wheel in this application also comprises a wheel body, a bearing 7 and a housing 8; one end of the rotating shaft 6 penetrates through the wheel body and is fixedly connected with the wheel body so as to drive the wheel body to rotate; an inner ring of the bearing 7 is connected with the rotating shaft 6, a shaft end pressing plate 9 is sleeved at one end of the rotating shaft 6 and is fixedly connected with the rotating shaft 6, and the first mounting component 1 is fixedly connected with the shaft end pressing plate 9; the housing 8 is sleeved on the outer ring of the bearing 7, and the shaft end cover 10 is fixedly connected with the housing 8.

During installation, the first installation component 1 is connected with the shaft end pressing plate 9 on the rotating shaft 6, and the shaft end pressing plate 9 is fixedly connected with the rotating shaft 6, so that when the rotating shaft 6 rotates, the first installation component 1 can be driven to rotate through the shaft end pressing plate 9. Further, since the first mounting member 1 and the rotating shaft 6 are connected by the shaft end presser 9, the influence of the vibration of the rotating shaft 6 on the first mounting member 1 can be reduced to some extent.

The invention also provides a wheel fault monitoring method applying the sensor device, which comprises the following steps: step S100, rotating a rotating shaft 6 of a wheel to drive a first mounting component 1 to rotate, so that a magnet 3 on the first mounting component 1 rotates relative to a coil 4 on a second mounting component 2, and current is generated; step S200, transmitting current to a sensing mechanism, starting to monitor the fault of the wheel after the sensing mechanism obtains electric energy, and sending detection data; and step S300, acquiring at least one piece of detection data, and sending out alarm and early warning information when one piece of detection data exceeds a set range.

Through adopting the sensor device that this application provided, can need not to connect external power source and lead wire, can realize the fault monitoring to the wheel to can avoid the influence that produces the wheel rotation to a certain extent.

During operation, the first mounting member 1 is driven to rotate by the rotation of the rotating shaft 6, so that the magnet 3 on the first mounting member 1 rotates relative to the coil 4 on the second mounting member 2, and the magnet 3 can cut the magnetic induction lines of the coil 4 to generate electric energy.

And then, the generated current is transmitted to a sensing mechanism, the running state of the wheel is monitored in real time through an acceleration sensor, a temperature sensor, an acoustic sensor and a current-voltage sensor in the sensing mechanism, various monitored data are transmitted to a processor, the processor judges according to the transmitted data, and if at least one item of data is inconsistent with a data range preset by the processor, a fault alarm signal is sent out, so that the fault monitoring of the wheel is realized.

Because the sensing mechanism includes the energy storage subassembly in this application, therefore, when the vehicle operation, the rotation of pivot 6 drives magnet 3 and cuts the electric current that the magnetic induction line of coil 4 produced and can directly transmit sensor and the treater on the circuit board, provides electric power for sensor and treater. Because including charging source in the energy storage subassembly, consequently, can store the electric energy, when the vehicle stops, can continue to provide the electric energy for the circuit board through the energy storage subassembly, realize the real-time supervision to the wheel.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A sensor device for a vehicle wheel comprising a first mounting member, a second mounting member, a magnet, a coil and a sensing mechanism;

the first mounting component is connected with a rotating shaft of the wheel, and the magnet is mounted on one side of the first mounting component, which is far away from the rotating shaft;

the second mounting component is connected with an axle cover of the wheel, and the rotating shaft rotates relative to the axle cover so as to enable the first mounting component to rotate relative to the second mounting component;

the coil is arranged on the second mounting component and is opposite to the motion track of the magnet;

the sensing mechanism is arranged on one side of the second mounting component, which is far away from the coil, and is connected with the coil wire so as to provide power for the sensing mechanism.

2. The sensor device of claim 1, wherein the number of the magnets is at least one, and the coil is at least one;

the first mounting member and the second mounting member are both disc-shaped;

the coil is arranged corresponding to the movement track of the magnet.

3. The sensor device according to claim 2, wherein the first mounting member has accommodating grooves formed therein, the accommodating grooves being provided in one-to-one correspondence with the magnets, and the magnets are fitted in the accommodating grooves.

4. The sensor device of claim 1, wherein a side of the second mounting member facing away from the coil is formed with a mounting cavity in which the sensing mechanism is disposed.

5. The sensor device of claim 4, further comprising a sensor cover, wherein the sensor cover is provided with a cover body, and the sensor cover is buckled on one side of the second mounting component, which faces away from the coil, so as to seal the mounting cavity.

6. The sensor device of claim 1, wherein the sensing mechanism comprises a circuit board, a sensor, a processor, and a memory;

the coil is wired to the circuit board to provide power to the sensor, the memory, and the processor;

the sensor is capable of monitoring the condition of the wheel.

7. The sensor device of claim 6, wherein the sensor comprises at least one of a rotational speed sensor, an acceleration sensor, a temperature sensor, an acoustic sensor, a current-voltage sensor;

the rotation speed sensor is used for monitoring the rotation speed of the wheel and transmitting rotation speed data to the processor, and the acceleration sensor is used for monitoring axle vibration data and transmitting the axle vibration data to the processor;

the temperature sensor is used for monitoring shaft temperature data and transmitting the temperature data to the processor;

the acoustic sensor is used for monitoring abnormal audio data when the wheel rotates and transmitting the audio data to the storage;

the current voltage sensor is used for monitoring current voltage data and transmitting the current voltage data to the processor.

8. The sensor device of claim 6, wherein the sensing mechanism further comprises an energy storage component, the coil being wired to the energy storage component to provide power to the energy storage component;

the energy storage component provides power for the circuit board.

9. A wheel comprising a sensor device according to any of claims 1 to 8 and a spindle, a spindle end clamp and a spindle end cap;

the shaft end pressing plate is sleeved at one end of the rotating shaft and is fixedly connected with the rotating shaft, and the first mounting component is connected with the shaft end pressing plate;

the second mounting component is connected with the shaft end cover, and the shaft end cover rotates relative to the shaft end pressing plate, so that the first mounting component can rotate relative to the second mounting component.

10. A method of wheel fault monitoring, comprising the steps of:

step S100, rotating a rotating shaft of a wheel to drive a first mounting component to rotate, so that a magnet on the first mounting component rotates relative to a coil on a second mounting component, and current is generated;

step S200, transmitting current to a sensing mechanism, starting to monitor the fault of the wheel after the sensing mechanism obtains electric energy, and sending detection data;

and step S300, acquiring at least one piece of detection data, and sending out alarm and early warning information when one piece of detection data exceeds a set range.