CN112615506A - Power supply device, sensor device and method for monitoring wheel fault - Google Patents
Power supply device, sensor device and method for monitoring wheel fault Download PDFInfo
- Publication number
- CN112615506A CN112615506A CN202011578545.2A CN202011578545A CN112615506A CN 112615506 A CN112615506 A CN 112615506A CN 202011578545 A CN202011578545 A CN 202011578545A CN 112615506 A CN112615506 A CN 112615506A
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- assembly
- magnetic
- coil
- power supply
- magnetic assembly
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/005—Machines with only rotors, e.g. counter-rotating rotors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
- B61K9/12—Measuring or surveying wheel-rims
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1846—Rotary generators structurally associated with wheels or associated parts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1861—Rotary generators driven by animals or vehicles
Abstract
The application relates to the technical field of sensors, in particular to a power supply device, a sensor device and a method for monitoring faults of wheels. The power supply device comprises a magnetic component and a coil component; the magnetic assembly is rotationally connected with the coil assembly; the magnetic assembly and one of the coil assemblies are connected with a rotating device, and under the driving of the rotating device, a speed difference is formed between the magnetic assembly and the coil assemblies in the rotating direction, so that the coil assemblies cut magnetic induction lines of the magnetic assembly to generate electric energy. The application provides a power supply unit utilizes magnetic component and coil pack to form the velocity difference and produce the electric energy in the direction of rotation, and the mechanical energy that rotating equipment such as rational utilization wheel produced to turn into the electric energy with it, thereby realize the power supply to other components. Simple and effective structure and energy conservation.
Description
Technical Field
The application relates to the technical field of sensors, in particular to a power supply device, a sensor device and a method for monitoring faults of wheels.
Background
In the running process of a train, due to impact, power effect, vibration and the like of a train vehicle and a steel rail, the bearing of the vehicle generates heat, heat cannot be dissipated, a hot shaft is damaged due to fixation, and fatigue damage and hot shaft cutting are caused to influence the running safety of the train. Real-time monitoring of the state of the wheels is required.
If the existing detection device is installed at the rotating wheel, an independent power supply with larger capacity needs to be equipped for the detection device, or the detection device needs to be electrically connected with a power supply device of a train through a connecting wire, and the structure has the problems of large occupied space of the device or difficult wiring.
Disclosure of Invention
The application aims to provide a power supply device, a sensor device and a fault monitoring method for a wheel, which are used for supplying electric energy to the sensor device.
The application provides a power supply device, which comprises a magnetic component and a coil component;
the magnetic assembly is rotationally connected with the coil assembly;
the magnetic assembly and one of the coil assemblies are connected with a rotating device, and under the driving of the rotating device, a speed difference is formed between the magnetic assembly and the coil assemblies in the rotating direction, so that the coil assemblies cut magnetic induction lines of the magnetic assembly to generate electric energy.
In the above technical solution, further, the magnetic component and the coil component are arranged at an interval;
the magnetic assembly comprises one or more permanent magnetic pieces distributed on a first preset circle, and the rotation center of the magnetic assembly relative to the coil assembly is the center of the first preset circle;
the coil assembly comprises one or more coils distributed on a second preset circle, and the rotation center of the coil assembly relative to the magnetic assembly is the center of the second preset circle;
the first preset circle and the second preset circle are arranged correspondingly, so that the movement track of the permanent magnet piece corresponds to the movement track of the coil.
In the above technical solution, further, the bearing further comprises an elastic member and a bearing assembly;
a connecting shaft is arranged between the magnetic assembly and the coil assembly, the elastic piece is arranged on the connecting shaft, and two ends of the elastic piece are respectively connected with the magnetic assembly and the coil assembly;
the bearing assembly is sleeved on the connecting shaft; the connecting shaft is connected with the coil assembly, and the magnetic assembly is sleeved on the bearing assembly; or the connecting shaft is connected with the magnetic assembly, and the coil assembly is sleeved on the bearing assembly;
the bearing assembly comprises at least one bearing, and when the number of the bearings is multiple, the bearings are sequentially nested and connected.
In the above technical solution, further, one of the magnetic assembly and the coil assembly, which is not connected to the rotating device, is provided with a weight.
In the above technical solution, further, the magnetic assembly further includes a mounting bracket;
the mounting frame is annular, and a plurality of mounting holes are formed in the mounting frame so as to fix the permanent magnetic pieces;
when the magnetic assembly is provided with the weight piece, the weight piece is connected with the mounting frame; the counterweight part is a gravity pendulum bob, the gravity pendulum bob is fan-shaped, the vertex of the fan-shaped pendulum bob faces to the center of the mounting rack, and the arc of the fan-shaped pendulum bob does not exceed the outer edge of the mounting rack.
In the above technical solution, further, the device further comprises a housing;
the shell comprises a supporting seat and a cover body buckled on the supporting seat, and an accommodating space is formed between the supporting seat and the cover body and used for accommodating the magnetic assembly and the coil assembly;
a plurality of mounting grooves are formed in the inner side of the supporting seat so as to fix the coils; the supporting seat is provided with a connecting hole so that the outer side of the supporting seat is connected with the rotating equipment.
The application also provides a sensor device, which comprises the power supply device.
In the above technical solution, further, the power supply device further includes an induction component, a controller and a communication device electrically connected to the power supply device;
the sensing assembly is used for detecting at least one parameter information of the rotating equipment; the controller is in communication connection with the sensing assembly and outputs a signal according to at least one parameter information;
the communication device is in communication connection with the controller so as to perform wireless transmission on the signals; and/or the controller is provided with a transmission interface to transmit the signal to an external device.
In the above technical solution, further, the sensing assembly includes a rotation speed sensor and/or an acceleration sensor and/or a temperature sensor and/or an acoustic sensor and/or a current-voltage sensor and/or an attitude sensor.
The present application also provides a method for monitoring a wheel failure, applied to a sensor device according to the above solution, the method comprising:
acquiring at least one detection parameter;
and when one of the detection parameters exceeds the corresponding preset range, sending out warning information.
Compared with the prior art, the beneficial effect of this application is:
the application provides a power supply unit utilizes magnetic component and coil pack to form the velocity difference and produce the electric energy in the direction of rotation, and the mechanical energy that rotating equipment such as rational utilization wheel produced to turn into the electric energy with it, thereby realize the power supply to other components. Simple and effective structure and energy conservation.
The application also provides a sensor device, which comprises the power supply device. Based on the above analysis, the sensor device also has the above beneficial effects, and the details are not repeated herein.
The application also provides a fault monitoring method for the wheel, which is applied to the sensor device according to the scheme, and has the beneficial effects, and the method is not repeated.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is an exploded schematic view of a sensor device provided herein;
fig. 2 is a schematic structural diagram of a power supply device provided in the present application;
fig. 3 is a schematic diagram of a backside structure of a magnetic assembly provided herein;
fig. 4 is a schematic structural diagram of a coil assembly provided in the present application.
In the figure: 101-a magnetic component; 102-a coil assembly; 103-permanent magnetic pieces; 104-a first preset circle; 105-a printed circuit board; 106-a second preset circle; 107-coil; 108-a resilient member; 109-a bearing assembly; 110-a mounting frame; 111-gravity pendulum; 112-a cover; 113-a support base; 114-a bolt; 115-thermal insulation.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "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, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Example one
Referring to fig. 1 to 4, the present application provides a power supply device including a magnetic assembly 101 and a coil assembly 102; the magnetic assembly 101 is rotationally connected with the coil assembly 102; one of the magnetic assembly 101 and the coil assembly 102 is connected to a rotating device, and under the driving of the rotating device, a speed difference is formed between the magnetic assembly 101 and the coil assembly 102 in the rotating direction, so that the coil assembly 102 cuts the magnetic induction lines of the magnetic assembly 101 to generate electric energy.
Specifically, the power supply device provided by the application can be applied to rotating equipment which does rotating motion, such as wheels of a train and the like, and generates electric energy by utilizing the electromagnetic induction principle, so that the power supply device can convert mechanical energy of the rotating equipment into the electric energy. Specifically, the magnetic assembly 101 is rotatably connected to the coil assembly 102, and the magnetic assembly 101 and the coil assembly 102 can move synchronously in other directions except the rotating direction. The magnetic assembly 101 and the coil assembly 102 form a certain speed difference in the rotation direction, which includes various implementation forms: both are in motion states, but the motion speeds are different, so that a speed difference is formed; or one of them is in a static state and the other is in a moving state, so that the two form a speed difference. So that the coil assembly 102 can cut the magnetic induction lines of the magnetic assembly 101 to generate electric energy.
According to the power supply device, the magnetic assembly 101 and the coil assembly 102 form a speed difference in the rotating direction to generate electric energy, mechanical energy generated by rotating equipment such as wheels is reasonably utilized and converted into the electric energy, and therefore power supply to other elements is achieved. Simple and effective structure and energy conservation.
In an alternative of this embodiment, the magnetic assembly 101 is spaced from the coil assembly 102; the magnetic assembly 101 comprises a plurality of permanent magnet pieces 103 distributed on a first predetermined circle 104, preferably, the plurality of permanent magnet pieces 103 are arranged uniformly. The rotation center of the magnetic assembly 101 relative to the coil assembly 102 is the center of a first preset circle 104; the coil assembly 102 includes a plurality of coils 107 distributed on the second preset circle 106, preferably, the plurality of coils 107 are uniformly distributed, and the rotation center of the coil assembly 102 relative to the magnetic assembly 101 is the center of the second preset circle 106; the first preset circle 104 is arranged corresponding to the second preset circle 106 so that the movement locus of the permanent magnet 103 corresponds to the movement locus of the coil 107.
In this embodiment, during the relative rotation of the magnetic assembly 101 and the coil assembly 102, the plurality of coils 107 distributed in the second predetermined circle 106 sequentially cut the magnetic induction lines generated by the plurality of permanent magnetic members 103 distributed in the first predetermined circle 104, so that relatively large electric energy can be generated.
The first preset circle 104 and the second preset circle 106 are correspondingly arranged, optionally, the center of the first preset circle 104 is opposite to the center of the second preset circle 106, the radii can be equal or arranged in a certain proportion, and in the relative rotation process of the magnetic assembly 101 and the coil assembly 102, the relative positions of the coil 107 and the permanent magnet 103 are consistent, so that the stability of the output electric energy is ensured.
In an alternative of this embodiment, the power supply device further includes an elastic member 108 and a bearing assembly 109; a connecting shaft is arranged between the magnetic assembly 101 and the coil assembly 102, the elastic element 108 is mounted on the connecting shaft, and two ends of the elastic element 108 are respectively connected with the magnetic assembly 101 and the coil assembly 102. During the relative rotation of the magnetic assembly 101 and the coil assembly 102, the elastic member 108 can prevent the axial play from being out of tolerance, so that the relative position of the two is kept as constant as possible.
The bearing assembly 109 is sleeved on the connecting shaft; the connecting shaft can be connected with the coil assembly 102 through a supporting seat of the shell, and a mounting frame of the magnetic assembly 101 is sleeved on the bearing assembly 109; or the connecting shaft is connected with the mounting frame of the magnetic assembly 101, and the supporting seat provided with the coil assembly 102 is sleeved on the bearing assembly 109.
In this embodiment, the bearing assembly 109 is used to reduce the friction between the magnetic assembly 101 and the coil assembly 102 so that the component connected to the rotating equipment does not carry the other component, thereby maintaining a large speed differential between the two.
Preferably, the bearing assembly 109 comprises at least two bearings nested one after the other, further reducing friction.
In an alternative scheme of this embodiment, a counterweight is provided at one of the magnetic assembly 101 and the coil assembly 102 that is not connected to the rotating device, and due to the gravity, when the counterweight is connected to the magnetic assembly 101 or the coil assembly 102, the counterweight can be located at the lowermost end at all times, so that the components connected to the counterweight can keep the position unchanged in the rotating direction, and further, a large speed difference is formed between the magnetic assembly 101 and the coil assembly 102, so as to obtain larger electric energy.
Referring to fig. 1 to 3, the magnetic assembly 101 includes a mounting frame 110; the mounting rack 110 is annular, and a plurality of mounting holes are formed in the mounting rack 110 to fix the plurality of permanent magnets 103; when the magnetic assembly 101 is provided with the weight member, the weight member is connected with the mounting frame 110; the counterweight member is a gravity pendulum 111, the gravity pendulum 111 is in a fan shape, a vertex of the fan shape faces the center of the mounting frame 110, optionally, a connection line (i.e., an axis of the connection shaft) between the center of the first preset circle 104 and the center of the second preset circle 106 passes through the vertex of the fan shape, or has a certain deviation with the vertex of the fan shape, and a radius of the fan shape is smaller than or equal to an outer diameter of the circular mounting frame 110, so that a circular arc of the fan shape does not exceed an outer edge of the mounting frame 110.
In this embodiment, since the middle portion of the annular mounting frame 110 has a hollow structure, the mounting frame 110 is lighter in weight, and when the weight member is connected to the mounting frame 110, the weight member is heavier, so that the weight member can be always located at the lowermost position.
The fan-shaped weight 111 can be adapted to the shape of the annular mounting bracket 110, and even if the mounting bracket 110 is slightly rotated, the fan-shaped weight 111 can maintain the relative stability of the coil assembly 102 in the rotational direction.
Referring to fig. 1, the housing of the power supply device includes a support base 113 and a cover 112 fastened to the support base 113, an accommodating space is formed between the support base 113 and the cover 112 for accommodating the magnetic assembly 101 and the coil assembly 102, and the housing can protect the magnetic assembly 101 and the coil assembly 102.
Meanwhile, a plurality of mounting grooves are formed on the inner side (i.e., the accommodating space side) of the support base 113 to fix the plurality of coils 107; the supporting base 113 is provided with a connecting hole so that the outer side of the supporting base 113 is connected with the rotating equipment. As shown in fig. 4, a plurality of coupling holes are formed in the circumferential direction of the support base 113, and the apparatus is coupled to the rotating device by bolts 114.
In an optional scheme of the embodiment, the energy storage device further comprises an energy storage device, specifically an energy storage battery; the energy storage battery is electrically connected with the coil assembly 102 through the power management circuit so as to store electric energy into the energy storage battery, the energy storage battery supplies power to other components, the rotating equipment can also output electric energy when not in a motion state, and the power supply is more stable.
Example two
The second embodiment of the present application provides a sensor device, which includes the power supply device of the above embodiment, and therefore, all the beneficial technical effects of the power supply device of the above embodiment are achieved, and are not described herein again.
In an optional scheme of this embodiment, the sensor device further includes a device located on the circuit board and electrically connected to the power supply device, specifically, the circuit board is provided with an induction component, a controller and a communication device; the sensing assembly is used for detecting at least one parameter information of the rotating equipment; the controller is in communication connection with the sensing assembly and outputs a signal according to at least one parameter information, specifically, the signal comprises state information, alarm information and the like; the communication device is in communication connection with the controller so as to perform wireless transmission on the signals; and/or the controller is provided with a transmission interface to transmit signals to an external device.
In this embodiment, the supporting seat 113 can be opened through-hole to fix the sensing component, and the sensing component can be closer to the rotating equipment to be tested, thereby ensuring better sensing effect. The controller, electrical components and related circuitry may be mounted on a printed circuit board 105, and the printed circuit board 105 is mounted on a support base 113 and electrically connected to the coil 107.
The communication device can comprise two modes of wireless transmission and wired transmission, wherein the communication device for wireless transmission comprises at least one of a Beidou antenna, a Bluetooth antenna, a radio frequency identifier, a 4G or 5G transmitter, LTE-M communication equipment and the like, so that information can be transmitted by utilizing multiple wireless transmission modes to transmit a detection result in time; or the wired transmission of information is realized through the transmission interface.
In an alternative of this embodiment, the sensing assembly comprises a rotation speed sensor and/or an acceleration sensor and/or a temperature sensor and/or an acoustic sensor and/or a current-voltage sensor and/or an attitude sensor.
In this embodiment, when a wheel fails, vibration between the axle and the bearing causes changes in motion parameters (such as rotation speed, acceleration), temperature, noise or motion attitude, and the sensors monitor the relevant parameters in real time, and further monitor and compare the running state of the vehicle (such as temperature and vibration of the axle) to provide data support for a maintenance system, thereby ensuring safe and reliable running of the vehicle.
In an alternative to this embodiment, the sensor device further comprises a thermal insulation 115 to avoid the influence of the axle temperature on the device.
EXAMPLE III
The third embodiment of the present application provides a method for monitoring a wheel fault, which is applied to the sensor device of the second embodiment, and the method includes:
acquiring at least one detection parameter; the detection parameters are respectively collected by the rotating speed sensor, the acceleration sensor, the temperature sensor, the acoustic sensor and the attitude sensor;
when one of the detection parameters exceeds the corresponding preset range, sending out information such as early warning, alarming and the like; the acquired detection parameters are processed, the detection result is output, and the detection result is transmitted in time through the communication device.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application. Moreover, those skilled in the art will appreciate that while some embodiments herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the application and form different embodiments.
Claims (10)
1. A power supply device comprising a magnetic assembly and a coil assembly;
the magnetic assembly is rotationally connected with the coil assembly;
the magnetic assembly and one of the coil assemblies are connected with a rotating device, and under the driving of the rotating device, a speed difference is formed between the magnetic assembly and the coil assemblies in the rotating direction, so that the coil assemblies cut magnetic induction lines of the magnetic assembly to generate electric energy.
2. The power supply of claim 1 wherein said magnetic assembly is spaced from said coil assembly;
the magnetic assembly comprises one or more permanent magnetic pieces distributed on a first preset circle, and the rotation center of the magnetic assembly relative to the coil assembly is the center of the first preset circle;
the coil assembly comprises one or more coils distributed on a second preset circle, and the rotation center of the coil assembly relative to the magnetic assembly is the center of the second preset circle;
the first preset circle and the second preset circle are arranged correspondingly, so that the movement track of the permanent magnet piece corresponds to the movement track of the coil.
3. The power supply of claim 2, further comprising a resilient member and a bearing assembly;
a connecting shaft is arranged between the magnetic assembly and the coil assembly, the elastic piece is arranged on the connecting shaft, and two ends of the elastic piece are respectively connected with the magnetic assembly and the coil assembly;
the bearing assembly is sleeved on the connecting shaft; the connecting shaft is connected with the coil assembly, and the magnetic assembly is sleeved on the bearing assembly; or the connecting shaft is connected with the magnetic assembly, and the coil assembly is sleeved on the bearing assembly;
the bearing assembly comprises at least one bearing, and when the number of the bearings is multiple, the bearings are sequentially nested and connected.
4. A power supply arrangement according to claim 3, wherein the one of the magnetic assembly and the coil assembly which is not connected to the rotary device is provided with a counterweight.
5. The power supply of claim 4, wherein said magnetic assembly further comprises a mounting bracket;
the mounting frame is annular, and a plurality of mounting holes are formed in the mounting frame so as to fix the permanent magnetic pieces;
when the magnetic assembly is provided with the weight piece, the weight piece is connected with the mounting frame; the counterweight part is a gravity pendulum bob, the gravity pendulum bob is fan-shaped, the vertex of the fan-shaped pendulum bob faces to the center of the mounting rack, and the arc of the fan-shaped pendulum bob does not exceed the outer edge of the mounting rack.
6. The power supply device of claim 2, further comprising a housing;
the shell comprises a supporting seat and a cover body buckled on the supporting seat, and an accommodating space is formed between the supporting seat and the cover body and used for accommodating the magnetic assembly and the coil assembly;
a plurality of mounting grooves are formed in the inner side of the supporting seat so as to fix the coils; the supporting seat is provided with a connecting hole so that the outer side of the supporting seat is connected with the rotating equipment.
7. A sensor arrangement, characterized by comprising a power supply device according to any one of claims 1 to 6.
8. The sensor device of claim 7, further comprising a sensing assembly electrically connected to the power supply, a controller, and a communication device;
the sensing assembly is used for detecting at least one parameter information of the rotating equipment; the controller is in communication connection with the sensing assembly and outputs a signal according to at least one parameter information;
the communication device is in communication connection with the controller so as to perform wireless transmission on the signals; and/or the controller is provided with a transmission interface for connecting with an external device to transmit the signal to the external device.
9. Sensor device according to claim 8, characterized in that the sensing component comprises a rotational speed sensor and/or an acceleration sensor and/or a temperature sensor and/or an acoustic sensor and/or a current-voltage sensor and/or an attitude sensor.
10. A method of fault monitoring a wheel, for use with a sensor arrangement according to any of claims 7 to 9, the method comprising:
acquiring at least one detection parameter;
and when one of the detection parameters exceeds the corresponding preset range, sending out warning information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011578545.2A CN112615506A (en) | 2020-12-28 | 2020-12-28 | Power supply device, sensor device and method for monitoring wheel fault |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011578545.2A CN112615506A (en) | 2020-12-28 | 2020-12-28 | Power supply device, sensor device and method for monitoring wheel fault |
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| Publication Number | Publication Date |
|---|---|
| CN112615506A true CN112615506A (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011578545.2A Pending CN112615506A (en) | 2020-12-28 | 2020-12-28 | Power supply device, sensor device and method for monitoring wheel fault |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113247046A (en) * | 2021-05-28 | 2021-08-13 | 北京时域智控技术有限公司 | Wagon vehicle-mounted monitoring device and operation method thereof |
-
2020
- 2020-12-28 CN CN202011578545.2A patent/CN112615506A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113247046A (en) * | 2021-05-28 | 2021-08-13 | 北京时域智控技术有限公司 | Wagon vehicle-mounted monitoring device and operation method thereof |
| CN113247046B (en) * | 2021-05-28 | 2023-10-13 | 北京时域智控技术有限公司 | Railway wagon vehicle-mounted monitoring device and operation method thereof |
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