CN114615638A - Wheel end wireless monitoring system - Google Patents
Wheel end wireless monitoring system Download PDFInfo
- Publication number
- CN114615638A CN114615638A CN202210257963.4A CN202210257963A CN114615638A CN 114615638 A CN114615638 A CN 114615638A CN 202210257963 A CN202210257963 A CN 202210257963A CN 114615638 A CN114615638 A CN 114615638A
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- wireless communication
- wheel
- monitoring system
- gateway controller
- sensing node
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/16—Gateway arrangements
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a wheel end wireless monitoring system which comprises a sensing node arranged on an automobile axle hub and a gateway controller in wireless communication with the sensing node, wherein the gateway controller is in wireless communication with a cloud end, and the cloud end is in wireless communication with a monitoring terminal. The sensing node can communicate with the gateway controller, monitoring information obtained by the sensing node can be uploaded to the cloud end through the gateway controller, and the monitoring terminal can obtain the monitoring information from the cloud end, so that the bearing can be monitored remotely, and the operation is convenient.
Description
Technical Field
The invention relates to a monitoring technology of mechanical parts, in particular to a monitoring system of a bearing.
Background
The rolling bearing is one of the most common parts in mechanical equipment, and the operation state of the rolling bearing is related to the safety, reliability and maintainability of a mechanical transmission system and the operation of the whole machine. The bearing is in failure, the efficiency of the system can be reduced, the shutdown is caused, the accident is serious, the economic loss is caused, and even the casualties are caused. Because the bearing has bad working conditions and higher failure probability, the early warning of the early failure of the bearing is realized by monitoring the real-time state of the bearing, and the early warning has social and economic benefits.
With the rise of intelligent diagnosis technology and the development of sensors for mechanical equipment, the concept of intelligent bearings is also proposed. The intelligent bearing is a typical method at present, which is to integrate sensing devices with different purposes on the basis of the traditional bearing, combine the sensing devices into a whole to form a unique structural unit, and then process information through a microcomputer to achieve the purpose of real-time online monitoring. For example, patent document No. CN 214410264U discloses a system for monitoring the operating status of a bearing, which includes: the bearing sensor is arranged on the bearing seat and used for acquiring vibration signal data of the bearing; the control unit is in communication connection with the bearing sensor and used for receiving vibration signal data transmitted back by the bearing sensor; the communication unit is communicated with the intelligent terminal through the intelligent gateway and is used for wirelessly transmitting the vibration signal data to the intelligent terminal through the intelligent gateway so that the intelligent terminal monitors the running state of the bearing based on the vibration signal data.
The automobile axle is connected with the frame through the suspension, and wheels are arranged at two ends of the automobile axle. The axle is used for bearing the load of the automobile and maintaining the normal running of the automobile on the road. Wheel hubs are arranged at two ends of the axle, the wheel hubs are connected with the axle body through bearings, and wheels are mounted on the wheel hubs.
Disclosure of Invention
The technical problems solved by the invention are as follows: a monitoring system for an automotive axle bearing is provided.
In order to solve the technical problems, the invention provides the following technical scheme: the wheel end wireless monitoring system comprises a sensing node arranged on a wheel hub of an automobile axle and a gateway controller in wireless communication with the sensing node, wherein the gateway controller is in wireless communication with a cloud end, and the cloud end is in wireless communication with a monitoring terminal.
The sensing node can communicate with the gateway controller, monitoring information obtained by the sensing node can be uploaded to the cloud end through the gateway controller, and the monitoring terminal can obtain the monitoring information from the cloud end, so that the bearing can be monitored remotely, and the operation is convenient.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a block diagram of a wheel-end wireless monitoring system;
FIG. 2 is a block diagram of a sensor node equipped with a Bluetooth module;
FIG. 3 is a block diagram of a gateway controller with a Bluetooth gateway;
FIG. 4 is a frame diagram of a sensing node equipped with a lora module;
FIG. 5 is a block diagram of a gateway controller with a lora gateway;
FIG. 6 is a schematic illustration of the mounting of a sensing node on an axle hub;
fig. 7 is a physical schematic diagram of the sensor node in fig. 6.
The symbols in the drawings illustrate that:
100. a sensing node;
10. a housing; 11. mounting a foot;
20. a hub; 21. the bolt is arranged; 23. a groove;
30. and a bearing.
Detailed Description
As shown in fig. 1, the wheel-end wireless monitoring system comprises a sensing node installed on a wheel hub of an automobile axle and a gateway controller in wireless communication with the sensing node, wherein the gateway controller is in wireless communication with a cloud end, and the cloud end is in wireless communication with a monitoring terminal.
The number of the sensing nodes is a plurality, and all the sensing nodes are in wireless communication with the gateway controller.
Referring to fig. 2 and 4, each sensing node includes a battery, a micro control unit, a vibration sensor and a temperature sensor connected to the micro control unit, and a wireless communication module connected to the micro control unit. And the vibration sensor and the temperature sensor are used for monitoring the vibration and the temperature of the bearing. Vibration sensor, temperature sensor, wireless communication module and little the control unit integration are on the PCB board, and the battery supplies power to little the control unit, and PCB board and battery setting combine figure 6, 7 in casing 10, and the casing is equipped with installation foot 11, and the installation foot can with the axle wheel hub on originally have bolt 21 fixed connection.
The mounting feet 11 need to be metal sheet parts, the shell 10 can be plastic parts, and monitoring of the bearing by the sensing node and communication between the wireless communication module and the gateway controller are facilitated. The mounting feet 11 have no fixed shape, and are determined according to the shape of the hub 20 or the wheel, for example, the rim of the hub has a groove 23, the shape of the mounting feet and the position relationship between the mounting feet and the housing can achieve the effect that the housing is fitted in the groove according to the relative position between two adjacent bolts 21 and the groove 23, but the distance between the positioning holes on a pair of mounting feet 11 is fixed and equal to the distance between two adjacent bolts 21. For another example, a wheel is provided with a recessed structure, the wheel is mounted on the present bolt 21, the pair of mounting legs 11 are sandwiched by the hub 20 and the wheel, and the housing 10 is fitted in the recessed structure of the wheel. Fig. 6 is a schematic view of the sensing node mounted on the hub, and actually, the housing in fig. 6 needs to be avoided according to the shape of the hub or the wheel, for example, the housing is matched in a groove of the hub or a concave structure of the wheel.
Alternatively, the wireless communication module is a bluetooth module, and the gateway controller is provided with a bluetooth gateway matched with the bluetooth module. The temperature resistant range of the Bluetooth module is-40 ℃ to 125 ℃, the penetrability is general, and the communication distance is 100 meters.
As an option, the wireless communication module is a Lora module, and the gateway controller is provided with a Lora gateway matched with the Lora module. The temperature resistant range of the Bluetooth module is-40-85 ℃, the penetrability is good, and the communication distance is 1000 meters. Therefore, the working temperature of the sensing node is less than 85 ℃, a Lora module is recommended, and when the working temperature of the sensing node is more than 85 ℃ but less than 125 ℃, a Bluetooth module is recommended.
The gateway controller is in wireless communication with the cloud through the narrow-band cellular Internet of things. As shown in fig. 3 and 5, a gateway controller provided with a bluetooth gateway or a Lora gateway is connected with an NB-loT module, the gateway controller is provided with an SD memory card, and a 24V vehicle-mounted power supply or battery supplies power to the gateway controller, the NB-loT module and the SD memory card. The NB-loT module and the Bluetooth gateway (or the Lora gateway) are respectively provided with an antenna, the antenna of the NB-loT module is used for wireless communication with the cloud, and the antenna of the Bluetooth gateway (or the Lora gateway) is used for wireless communication with the sensing node. As an option, the supervision platform interface of the gateway controller adopts SIM, remote BC26, and the supervision platform type is 4G full network communication.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description herein, since various changes and modifications can be made in the details of the embodiment and the application range according to the spirit of the present invention.
Claims (7)
1. Wheel end wireless monitoring system, including install sensing node on car axle wheel hub, with sensing node wireless communication's gateway controller, its characterized in that: the gateway controller is in wireless communication with the cloud, and the cloud is in wireless communication with the monitoring terminal.
2. The wheel-end wireless monitoring system of claim 1, wherein: the sensing node comprises a battery, a micro control unit, a vibration sensor and a temperature sensor which are connected with the micro control unit, and a wireless communication module which is connected with the micro control unit.
3. The wheel-end wireless monitoring system of claim 2, wherein: the wireless communication module is a Bluetooth module, and the gateway controller is provided with a Bluetooth gateway matched with the Bluetooth module.
4. The wheel-end wireless monitoring system of claim 2, wherein: the wireless communication module is the Lora module, and the gateway controller is equipped with the Lora gateway that matches with the Lora module.
5. The wheel-end wireless monitoring system of claim 1, wherein: the gateway controller is in wireless communication with the cloud through the narrow-band cellular Internet of things.
6. The wheel-end wireless monitoring system of claim 2, wherein: battery, little the control unit, vibration sensor, temperature sensor, wireless communication module set up in the casing, and the casing is equipped with the installation foot, and the installation foot can with originally there is bolt fixed connection on the axle wheel hub.
7. The wheel-end wireless monitoring system of claim 6, wherein: the quantity of installation foot is a pair, is equipped with the locating hole on each installation foot, and the interval of a pair of locating hole equals the distance between two adjacent originally having the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210257963.4A CN114615638A (en) | 2022-03-16 | 2022-03-16 | Wheel end wireless monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210257963.4A CN114615638A (en) | 2022-03-16 | 2022-03-16 | Wheel end wireless monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114615638A true CN114615638A (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210257963.4A Pending CN114615638A (en) | 2022-03-16 | 2022-03-16 | Wheel end wireless monitoring system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205959386U (en) * | 2016-07-05 | 2017-02-15 | 济南卡路安电子科技有限公司 | Wireless hub temperature sensor |
| CN107972695A (en) * | 2017-12-06 | 2018-05-01 | 株洲中车轨道交通装备有限公司 | A kind of Internet of Things rail vehicle axle health status intellectual monitoring administrative system apparatus |
| CN108128322A (en) * | 2017-12-06 | 2018-06-08 | 株洲中车轨道交通装备有限公司 | A kind of rail vehicle axle health status intelligent monitoring method based on Internet of Things |
| CN109100966A (en) * | 2018-07-11 | 2018-12-28 | 西南科技大学 | A kind of Atmosphere Environment Monitoring System Bases and its monitoring method based on isomery Internet of Things |
| CN210034196U (en) * | 2019-04-18 | 2020-02-07 | 浙江兆丰机电股份有限公司 | Monitoring and early warning system for automobile intelligent hub bearing unit |
| CN112816083A (en) * | 2019-10-31 | 2021-05-18 | 比亚迪股份有限公司 | Temperature sensor assembly, wheel axle assembly and rail vehicle |
-
2022
- 2022-03-16 CN CN202210257963.4A patent/CN114615638A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205959386U (en) * | 2016-07-05 | 2017-02-15 | 济南卡路安电子科技有限公司 | Wireless hub temperature sensor |
| CN107972695A (en) * | 2017-12-06 | 2018-05-01 | 株洲中车轨道交通装备有限公司 | A kind of Internet of Things rail vehicle axle health status intellectual monitoring administrative system apparatus |
| CN108128322A (en) * | 2017-12-06 | 2018-06-08 | 株洲中车轨道交通装备有限公司 | A kind of rail vehicle axle health status intelligent monitoring method based on Internet of Things |
| CN109100966A (en) * | 2018-07-11 | 2018-12-28 | 西南科技大学 | A kind of Atmosphere Environment Monitoring System Bases and its monitoring method based on isomery Internet of Things |
| CN210034196U (en) * | 2019-04-18 | 2020-02-07 | 浙江兆丰机电股份有限公司 | Monitoring and early warning system for automobile intelligent hub bearing unit |
| CN112816083A (en) * | 2019-10-31 | 2021-05-18 | 比亚迪股份有限公司 | Temperature sensor assembly, wheel axle assembly and rail vehicle |
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Application publication date: 20220610 |
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