CN206465950U - A kind of railway freight-car axle temperature detecting system - Google Patents
A kind of railway freight-car axle temperature detecting system Download PDFInfo
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- CN206465950U CN206465950U CN201720166606.1U CN201720166606U CN206465950U CN 206465950 U CN206465950 U CN 206465950U CN 201720166606 U CN201720166606 U CN 201720166606U CN 206465950 U CN206465950 U CN 206465950U
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- wireless
- axle
- temperature
- processor cpu
- axle temperature
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Abstract
The utility model discloses a kind of railway freight-car axle temperature detecting system, including locomotive display terminal and ground monitoring center, it is characterised in that：Two shaft temperature detecting devices and an axle temperature of compartment collecting unit are provided with each goods train carriage bottom, described two shaft temperature detecting devices correspond to the axle temperature detection on two bogies respectively, and each shaft temperature detecting device structure is：The wireless shaft temperature sensor of four axle bearing temperature on corresponding bogie, described four wireless shaft temperature sensors and a low coverage radio communication unit wireless connection are arranged on including being respectively used to measurement；The axle temperature of compartment collecting unit is connected with the low coverage radio communication unit wire communication in two shaft temperature detecting devices of the car bottom；Axle temperature of compartment collecting unit is communicated wirelessly and is connected with locomotive display terminal and ground monitoring center.The features such as it has safe and reliable, easy access.
Description
Technical field
The utility model is related to a kind of railway freight-car axle temperature detecting system.
Background technology
Axle weight is improved, to increase the trend that load-carrying is world's railway freight-car development.China railways lorry is constantly carried in recent years
Its high speed of service, improves axle weight, and the fast-developing movement requirement of national economy is met to improve capacity.With speed lifting and
Being continuously increased for axle weight, more and more higher is required to the security performance that railway freight-car is run.
Hot axle is always to influence the outstanding problem of railway freight-car safe operation with axle failure is cut, and avoids what the problem occurred
Most effectual way is that bearing temperature is monitored in real time.When bearing is abnormal, frictional force increase can be such that axle temperature rapidly raises.
Know axle temperature extremely rise when, the parking of front station or the emergent management measure such as stop in emergency should be implemented as the case may be, to keep away
Exempt from railway freight-car hot axle occur and cut axle failure.The goods train carriage axle temperature run at present, is by location fix on railway
The THDS infrared ray contactless devices of installation are detected, the device is disposed in railway line with 30 kilometers, right
Axletree temperature can not be monitored in real time, and its alarm interval is about half an hour, if railway freight-car run to two control points it
Between when, there is axletree temperature anomaly rising condition, will not in time be found by railway freight-car driver and train dispatcher, also
Corresponding measure can not be taken, exists and cuts the major safety risks such as axle, derailing.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of railway freight-car axle temperature detecting system, and it has safety can
Lean on, easy access the features such as.
In order to solve the above technical problems, technical solution adopted in the utility model is：
A kind of railway freight-car axle temperature detecting system, including locomotive display terminal and ground monitoring center, in each railway goods
Car car bottom is provided with two shaft temperature detecting devices and an axle temperature of compartment collecting unit, and two shaft temperature detecting devices are corresponded to respectively
Axle temperature on two bogies detects that each shaft temperature detecting device structure is：Corresponding steering is arranged on including being respectively used to measurement
The wireless shaft temperature sensor of four axle bearing temperature on frame, four wireless shaft temperature sensors and a low coverage radio communication unit
Wireless connection；Axle temperature of compartment collecting unit has with the low coverage radio communication unit in two shaft temperature detecting devices of the car bottom
Line communication connection；
Wireless shaft temperature sensor includes infrared sensor, processor CPU and wireless communication module, and infrared sensor is exported
I/O interface of the temperature signal through processor CPU read by processor CPU, processor CPU is by the temperature signal of reading
Additional one is used to recognize the address identification of the wireless shaft temperature sensor and carries out protocol conversion, and formation adapts to channel radio
The modulated signal of module communication agreement is interrogated, I/O interface of the modulated signal through processor CPU is exported to wireless communication module signal
The modulated signal of reception is converted into wireless communication signal and sent to low coverage radio communication unit by input, wireless communication module；
Low coverage radio communication unit includes wireless communication module and processor CPU, and wireless communication module will be received in wirelessly
The wireless communication signal of shaft temperature sensor is exported to processor CPU I/O interfaces and read by processor CPU, and processor CPU is by nothing
Line communication signal carries out wire line protocols modulated signal protocol conversion, forms the bus letter for adapting to wire communication module communication agreement
Number, I/O interface of the bus signals through processor CPU is transmitted to axle temperature of compartment collecting unit；
Axle temperature of compartment collecting unit includes processor CPU and long-distance radio communication module, and processor CPU is respectively equipped with reception
The I/O interfaces for the bus signals that low coverage radio communication unit is exported and the I/O interfaces being connected with RFID card reader, RFID Card Readers
Device is used for the id information for reading residing compartment, the compartment id information that processor CPU reads the additional RFID card reader of bus signals
Wireless protocols modulated signal protocol conversion is carried out, the modulated signal for adapting to long-distance radio communication module communication agreement is formed, far
The modulated signal of reception is converted into wireless communication signal and sent to locomotive display terminal and ground monitoring by journey wireless communication module
Center.
The utility model further improvement is that：
Wirelessly the measurement structure of shaft temperature sensor measurement axle bearing temperature is：Be provided with through axle box in the axle box of bearing and
The wireless shaft temperature sensor threaded mounting hole of alignment bearings periphery；Wireless shaft temperature sensor is installed on stainless steel cylindrical shell
It is interior, screw thread is provided with cylindrical shell outer surface, transparent material, the infrared receiver of infrared sensor are provided with cylindrical shell one end
Portion is located at the cylindrical shell other end, cylindrical shell towards transparent material and alignment bearings, the wireless communication module of infrared sensor
It is rotatably connected in wireless shaft temperature sensor threaded mounting hole.
Wireless shaft temperature sensor, low coverage radio communication unit and axle temperature of compartment collecting unit use lithium battery power supply.
The wireless communication module of wireless shaft temperature sensor and low coverage radio communication unit is EL1432D modules.
Low coverage radio communication unit is connected with the wire communication of axle temperature of compartment collecting unit using CAN 2.0A communications protocol.
MG301 (ZIF) module is used between axle temperature of compartment collecting unit and locomotive display terminal and ground monitoring center, is led to
News agreement is ICP/IP protocol.
It is using the beneficial effect produced by above-mentioned technical proposal：
The utility model is positioned by the real-time monitoring to axle bearing temperature, before efficiently solving on railway to be determined
The THDS infrared rays contactless device that point is installed carry out axle temperature detection it is existing axle temperature can not in real time be monitored ask
Topic, eliminates axle temperature detection time blind spot, so as to eliminate when railway freight-car is run between two control points, if there is car
Axle temperature anomaly rising condition, can not take because will not in time be found by railway freight-car driver and train dispatcher and accordingly arrange
The major safety risks such as axle, derailing are cut present in applying；Processor CPU is provided with axle temperature of compartment collecting unit connects with RFID card reader
The I/O interfaces connect, RFID card reader is used for the id information for reading residing compartment, because whole railway car order is not fixed, in way
Some compartments can be replaced by other compartments, the compartment of replacement still can by the id information in the compartment collected, judge belonging to
Train number, so as to ensure all axle temperature of compartment not missing inspections of the train, improves the convenience and reliability of axle temperature detection；Axle temperature
Four wireless shaft temperature sensors and a low coverage radio communication unit wireless connection in detection means；Avoid infrared sensor
During using wired connection, between its bogie and compartment the problem of complicated wire influence vehicle maintenance, it is to avoid disconnect wire
Tedious work, to avoid the wire misconnection problem being thus likely to occur；Wireless shaft temperature sensor, low coverage radio communication unit
And axle temperature of compartment collecting unit uses lithium battery power supply, it is to avoid when being powered using power line, compartment allotment or when overhauling
Power line disconnects brought inconvenience；Suitable lithium battery is selected, continuously equipment can be powered more than 4 years, it is ensured that a dimension
The cycle is repaiied without charging.The features such as it has safe and reliable, easy access.
Brief description of the drawings
Fig. 1 is circuit modular structure schematic diagram of the present utility model；
Fig. 2 is the structural representation of shaft temperature detecting device in Fig. 1；
Fig. 3 is the structural representation of axle temperature of compartment collecting unit in Fig. 1.
Embodiment
The utility model is further elaborated below in conjunction with the drawings and specific embodiments.
From the embodiment shown in Fig. 1-3, the present embodiment includes locomotive display terminal and ground monitoring center, each
Goods train carriage bottom is provided with two shaft temperature detecting devices and an axle temperature of compartment collecting unit, two shaft temperature detecting devices point
Axle temperature detection that Dui Ying be on two bogies, each shaft temperature detecting device structure is：It is right installed in institute including being respectively used to measurement
Answer the wireless shaft temperature sensor of four axle bearing temperature on bogie, four wireless shaft temperature sensors and a low coverage channel radio
Interrogate unit wireless connection；Axle temperature of compartment collecting unit and the low coverage wireless telecommunications in two shaft temperature detecting devices of the car bottom
Unit wire communication is connected；
Wireless shaft temperature sensor includes infrared sensor（Model：General grace science and technology LHi 874）, processor CPU（Model：
Atmel corp Atmega16L）And wireless communication module（Model：The EL1432D modules that Foochow easily joins）, infrared sensor institute it is defeated
The temperature signal gone out（The detection range of temperature is between -55 DEG C~125 DEG C）, the I/O interfaces through processor CPU are by handling
Device CPU is read, and the temperature signal of reading is added an address for being used to recognize the wireless shaft temperature sensor by processor CPU
Identification information simultaneously carries out protocol conversion, forms the modulated signal for adapting to wireless communication module communications protocol, modulated signal warp
Processor CPU I/O interfaces are exported to wireless communication module signal input part, and wireless communication module turns the modulated signal of reception
Wireless communication signal is changed into send to low coverage radio communication unit；
Low coverage radio communication unit includes wireless communication module（Model：Foochow easily joins EL1432D modules）With processor CPU
（Model：Atmel corp Atmega16L）, wireless communication module is defeated by the wireless communication signal for being received in wireless shaft temperature sensor
Go out to processor CPU I/O interfaces and read by processor CPU, wireless communication signal is carried out wire line protocols modulation by processor CPU
Signaling protocol is changed（Be converted to CAN 2.0A agreements）, the bus signals for adapting to wire communication module communication agreement are formed, always
I/O interface of the line signal through processor CPU is transmitted to axle temperature of compartment collecting unit；
Axle temperature of compartment collecting unit includes processor CPU（Model：Atmel corp AT91RM9200）It is logical with long distance wireless
Interrogate module（Model：Huawei Company MG301 (ZIF)）, processor CPU be respectively equipped with reception low coverage radio communication unit exported
Bus signals I/O interfaces and the I/O interfaces that are connected with RFID card reader（RS232 serial ports）, RFID card reader is for reading
The id information in residing compartment, it is disposable before dispatching from the factory to read compartment id information and be stored in internal non-volatile memory.
Processor CPU carries out judgement processing to the temperature data received, removes transient effect, judges whether axle temperature is abnormal（Work as wheel
The temperature of axle is more than 85 DEG C, or axletree temperature is when differing 35 DEG C~40 DEG C with environment temperature, generation warning message, processor
CPU is by the bus signals of reception（Axle temperature signal）And the compartment ID letters that the additional RFID card reader of warning message of computing generation is read
Breath carries out wireless protocols modulated signal protocol conversion（Converting communication protocol is ICP/IP protocol）, formed and adapt to long distance wireless
The modulated signal of reception is converted into wireless communication signal by the modulated signal of communication module communications protocol, long-distance radio communication module
Send to locomotive display terminal and ground monitoring center.
Wirelessly the measurement structure of shaft temperature sensor measurement axle bearing temperature is：Be provided with through axle box in the axle box of bearing and
The wireless shaft temperature sensor threaded mounting hole of alignment bearings periphery；Wireless shaft temperature sensor is installed on stainless steel cylindrical shell
It is interior, screw thread is provided with cylindrical shell outer surface, transparent material, the infrared receiver of infrared sensor are provided with cylindrical shell one end
Portion is located at the cylindrical shell other end, cylindrical shell towards transparent material and alignment bearings, the wireless communication module of infrared sensor
It is rotatably connected in wireless shaft temperature sensor threaded mounting hole.
Wireless shaft temperature sensor, low coverage radio communication unit and axle temperature of compartment collecting unit use lithium battery power supply.
Claims (6)
1. a kind of railway freight-car axle temperature detecting system, including locomotive display terminal and ground monitoring center, it is characterised in that：Every
Individual goods train carriage bottom is provided with two shaft temperature detecting devices and an axle temperature of compartment collecting unit, described two axle temperature detections
Device corresponds to the axle temperature detection on two bogies respectively, and each shaft temperature detecting device structure is：Including being respectively used to measurement
The wireless shaft temperature sensor of four axle bearing temperature on corresponding bogie, described four wireless shaft temperature sensors with
One low coverage radio communication unit wireless connection；Two axle temperatures detection of the axle temperature of compartment collecting unit and the car bottom is filled
Low coverage radio communication unit wire communication connection in putting；
The wireless shaft temperature sensor includes infrared sensor, processor CPU and wireless communication module, the infrared sensor institute
I/O interface of the temperature signal of output through processor CPU is read by processor CPU, and the processor CPU is by the temperature of reading
Additional one of degree electric signal is used to recognize the address identification of the wireless shaft temperature sensor and carries out protocol conversion, forms adaptation
In the modulated signal of wireless communication module communications protocol, I/O interface of the modulated signal through processor CPU is exported to wireless telecommunications
The modulated signal of reception is converted into wireless communication signal and sent near by module by signal input, the wireless communication module
Away from radio communication unit；
The low coverage radio communication unit includes wireless communication module and processor CPU, and the wireless communication module will be received in
The wireless communication signal of wireless shaft temperature sensor is exported to processor CPU I/O interfaces to be read by processor CPU, the processing
Wireless communication signal is carried out wire line protocols modulated signal protocol conversion by device CPU, and formation adapts to wire communication module communication association
The bus signals of view, I/O interface of the bus signals through processor CPU is transmitted to axle temperature of compartment collecting unit；
The axle temperature of compartment collecting unit includes processor CPU and long-distance radio communication module, and the processor CPU is respectively equipped with
The I/O interfaces for receiving the I/O interfaces for the bus signals that the low coverage radio communication unit is exported and being connected with RFID card reader,
The RFID card reader is used for the id information for reading residing compartment, and the processor CPU is by the additional RFID card reader of bus signals
The compartment id information of reading carries out wireless protocols modulated signal protocol conversion, and formation adapts to long-distance radio communication module communication association
The modulated signal of view, the long-distance radio communication module by the modulated signal of reception be converted into wireless communication signal send to
Locomotive display terminal and ground monitoring center.
2. a kind of railway freight-car axle temperature detecting system according to claim 1, it is characterised in that：The wireless axle temperature sensing
Device measurement axle bearing temperature measurement structure be：It is provided with the axle box of the bearing through axle box and alignment bearings periphery
Wireless shaft temperature sensor threaded mounting hole；The wireless shaft temperature sensor is installed in stainless steel cylindrical shell, in the cylindricality
Housing outer surface is provided with screw thread, and transparent material, the infrared receiver of the infrared sensor are provided with described cylindrical shell one end
Portion is towards transparent material and alignment bearings, and the wireless communication module of the infrared sensor is located at the cylindrical shell other end, described
Cylindrical shell is rotatably connected in wireless shaft temperature sensor threaded mounting hole.
3. a kind of railway freight-car axle temperature detecting system according to claim 1, it is characterised in that：The wireless axle temperature sensing
Device, low coverage radio communication unit and axle temperature of compartment collecting unit use lithium battery power supply.
4. a kind of railway freight-car axle temperature detecting system according to claim 1, it is characterised in that：The wireless axle temperature sensing
The wireless communication module of device and low coverage radio communication unit is EL1432D modules.
5. a kind of railway freight-car axle temperature detecting system according to claim 1, it is characterised in that：The low coverage wireless telecommunications
Unit is connected with the wire communication of the axle temperature of compartment collecting unit using CAN 2.0A communications protocol.
6. a kind of railway freight-car axle temperature detecting system according to claim 1, it is characterised in that：The axle temperature of compartment collection
MG301 (ZIF) module is used between unit and locomotive display terminal and ground monitoring center, communications protocol is ICP/IP protocol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720166606.1U CN206465950U (en) | 2017-02-23 | 2017-02-23 | A kind of railway freight-car axle temperature detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720166606.1U CN206465950U (en) | 2017-02-23 | 2017-02-23 | A kind of railway freight-car axle temperature detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206465950U true CN206465950U (en) | 2017-09-05 |
Family
ID=59707907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720166606.1U Withdrawn - After Issue CN206465950U (en) | 2017-02-23 | 2017-02-23 | A kind of railway freight-car axle temperature detecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206465950U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106585663A (en) * | 2017-02-23 | 2017-04-26 | 济宁市智通电子科技有限公司 | Rail wagon axle temperature detecting system |
| CN113654797A (en) * | 2021-08-04 | 2021-11-16 | 株洲科盟车辆配件有限责任公司 | Bearing composite sensor |
-
2017
- 2017-02-23 CN CN201720166606.1U patent/CN206465950U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106585663A (en) * | 2017-02-23 | 2017-04-26 | 济宁市智通电子科技有限公司 | Rail wagon axle temperature detecting system |
| CN113654797A (en) * | 2021-08-04 | 2021-11-16 | 株洲科盟车辆配件有限责任公司 | Bearing composite sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170905 Effective date of abandoning: 20181225 |
|
| AV01 | Patent right actively abandoned |