CN205930759U - Wireless axle temperature monitoring devices and motor train unit - Google Patents
Wireless axle temperature monitoring devices and motor train unit Download PDFInfo
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- CN205930759U CN205930759U CN201620916486.8U CN201620916486U CN205930759U CN 205930759 U CN205930759 U CN 205930759U CN 201620916486 U CN201620916486 U CN 201620916486U CN 205930759 U CN205930759 U CN 205930759U
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Abstract
The utility model provides a wireless axle temperature monitoring devices and motor train unit, wireless axle temperature monitoring devices includes: the axle temperature sensor that at least one is wireless, wireless repeater, alarm sensor, wireless axle temperature sensor respectively with wireless repeater and alarm sensor wireless connection, wireless axle temperature sensor is used for sending the axle temperature data to wireless repeater and/or alarm sensor, wireless repeater and alarm sensor wireless connection, wireless repeater is used for giving alarm sensor from wireless axle temperature sensor received axle temperature data transfer to it reports to the police to make alarm sensor carry out the temperature according to the axle temperature data. The axle temperature monitoring devices that this is wireless breaks down the back at original axle temperature sensor and starts, substitutes original axle temperature sensor and monitors, and the device be wireless connection, does not need cable junction sensor and other communications facilities, and is consequently low to axle box space occupancy, and does not have intertwine and signal interference scheduling problem between the cable, can guarantee the accuracy of axle temperature monitoring betterly, ensures driving safety.
Description
Technical field
This utility model is related to bearing temperature monitoring field, more particularly, to a kind of wireless axle temperature monitoring device and motor train unit train.
Background technology
The EMUs quantity of increase with high-speed railway mileage open to traffic and online operation increase it is ensured that EMU
Safety, in an orderly manner operation are most important major issues.
The shaft temperature monitoring system of existing motor train unit train be cable connection pattern, limited by axle box space or cable between twine
Around or impact the problems such as electromagnetic interference, normally only can arrange a shaft temperature sensor on each wheel shaft, if this sensor
Fault, then cannot continue this axle temperature is monitored it is therefore desirable to on-call maintenance changes fault sensor, but so again can shadow
Ring normal driving.EMUs are because shaft temperature sensor fault causes hot box accident, withdrawal of train and changes underbody etc. temporarily in recent years
Event has occurred.These accidents have had a strong impact on the safety of EMUs, also have impact on EMUs operation order.
Utility model content
This utility model provides a kind of wireless axle temperature monitoring device and motor train unit train, with wireless shaft temperature sensor, wirelessly
Repeater, alarm host machine form wireless axle temperature monitoring device, thus effective after realizing original shaft temperature sensor is broken down
Substitute, this device is wireless to connect it is not necessary to power cable connection sensor and other communication apparatus, therefore to axle box space occupancy rate
Low, and do not have such problems as that between cable, mutually winding and signal disturb, can preferably guarantee the accuracy of bearing temperature monitoring, ensure
Traffic safety.
This utility model provides a kind of wireless axle temperature monitoring device support, including：At least one is wireless shaft temperature sensor, wireless
Repeater, alarm host machine；
Described wireless shaft temperature sensor is wirelessly connected with described wireless repeater and described alarm host machine respectively, described wireless
Shaft temperature sensor is used for sending axle temperature data to described wireless repeater and/or described alarm host machine；
Described wireless repeater is wirelessly connected with described alarm host machine；Described wireless repeater is used for will be from described no bobbin
The described axle temperature data transfer receiving at temperature sensor gives described alarm host machine, so that described alarm host machine is according to described axle temperature
Data carries out temperature alarming.
Optionally, described wireless shaft temperature sensor includes：Temperature-sensitive circuit, the first MCU control circuit, the first radio communication mold
Block, the first power module；Described temperature-sensitive circuit is connected with described first MCU control circuit；Described first MCU control circuit and institute
State the first wireless communication module to connect；Described temperature-sensitive circuit, described first MCU control circuit, described first wireless communication module
It is connected with described first power module respectively；
Described wireless repeater includes：Second wireless communication module, the second MCU control circuit, second source module；Described
Second wireless communication module is connected with described second MCU control circuit；Described second wireless communication module, described 2nd MCU control
Circuit processed is connected with described second source module respectively；
Described alarm host machine includes：Alarm host machine body, the 3rd wireless communication module, the 3rd power module；Described warning
Host main body is connected with described 3rd wireless communication module；Described alarm host machine body, described 3rd wireless communication module are respectively
It is connected with described 3rd power module.
Optionally, described temperature-sensitive circuit includes：For the Pt100 platinum resistance of wheel axle temperature, for wheel axle week
Enclose the DS18B20 quasiconductor digital sensor of ambient temperature；Described first wireless communication module is based on LoRa Technology of Wireless Spread Spectrum,
Working frequency range is 433MHz, and transmission power is 100mW, and sensitivity is not less than -148dBm；Described first MCU control circuit and institute
State and between the first wireless communication module, adopt SPI interface to connect；Described first power module includes：Lithium-thionyl chloride Li-SOCl2
Battery.
Optionally, described second MCU control circuit includes MSP430 single-chip microcomputer；Described second wireless communication module includes
SX1278 wireless transceiver；It is connected using SPI interface between second MCU control circuit and described second wireless communication module；Institute
State second source module to include：Lithium-thionyl chloride Li-SOCl2 battery.
Optionally, described alarm host machine body is technical grade PDA, including：The CPU of 600MHz, resolution are at least 320*
240 display module, the speaker for sending warning caution sound；Described 3rd wireless communication module is with described alarm host machine originally
Transistor-Transistor Logic level serial-port communication is adopted between body；Described 3rd power module includes：Capacity is at least the lithium electricity of more than 4000mAh
Pond.
Optionally, described wireless shaft temperature sensor includes：Water proof and dust proof shell, described water proof and dust proof shell has circular arc table
Face；Described temperature-sensitive circuit, described first MCU control circuit, described first wireless communication module, described first power module accommodate
In described water proof and dust proof enclosure.
This utility model also provides a kind of motor train unit train, including vehicle body, arranges above-mentioned just like arbitrary on described vehicle body
Described wireless axle temperature monitoring device, wherein, described wireless shaft temperature sensor is arranged on the axle box surface of body bottom section；Described nothing
Line repeater is arranged on the central compartment position of described vehicle body；Described alarm host machine is movably disposed appointing in interior described vehicle body
At meaning compartment.
Wireless axle temperature monitoring device of the present utility model and motor train unit train, with wireless shaft temperature sensor, wireless repeater,
Alarm host machine forms wireless axle temperature monitoring device, to start after original shaft temperature sensor breaks down, substitutes original axle temperature and passes
Sensor is monitored, and this device is wirelessly to connect it is not necessary to power cable connection sensor and other communication apparatus, therefore empty to axle box
Between occupancy low, and do not have such problems as between cable to be mutually wound around and signal disturbs, can preferably guarantee the standard of bearing temperature monitoring
Really property, guarantee driving safety.
Brief description
The structural representation of the wireless axle temperature monitoring device that Fig. 1 provides for this utility model embodiment one；
Fig. 2 is the structural representation of the wireless shaft temperature sensor of wireless axle temperature monitoring device shown in Fig. 1；
Fig. 3 is the structural representation of the wireless repeater of wireless axle temperature monitoring device shown in Fig. 1；
Fig. 4 is the structural representation of the alarm host machine of wireless axle temperature monitoring device shown in Fig. 1.
Reference：
Wireless shaft temperature sensor 11, temperature-sensitive circuit 111, the first MCU control circuit 112, the first wireless communication module 113,
First power module 114, water proof and dust proof shell 115；Wireless repeater 12, the second wireless communication module 121, the 2nd MCU control
Circuit 122, second source module 123；Alarm host machine 13, alarm host machine body 131, the 3rd wireless communication module the 132, the 3rd electricity
Source module 133.
Specific embodiment
The structural representation of the wireless axle temperature monitoring device that Fig. 1 provides for this utility model embodiment one, as shown in figure 1,
The present embodiment provides a kind of wireless axle temperature monitoring device, including：At least one is wireless shaft temperature sensor 11, wireless repeater 12,
Alarm host machine 13；Wireless shaft temperature sensor 11 is wirelessly connected with wireless repeater 12 and alarm host machine 13 respectively, and wireless axle temperature passes
Sensor 11 is used for sending axle temperature data to wireless repeater 12 and/or alarm host machine 13；Wireless repeater 12 and alarm host machine 13
Wireless connection；Wireless repeater 12 is used for the axle temperature data transfer receiving at wireless shaft temperature sensor 11 to alarm host machine
13, so that alarm host machine 13 carries out temperature alarming according to axle temperature data.
Specifically, this wireless axle temperature monitoring device includes wireless shaft temperature sensor 11, wireless repeater 12, alarm host machine 13
Three big ingredients, as shown in figure 1, connected by wireless signal between each ingredient.Preferably, set of device can include
Multiple wireless shaft temperature sensors 11, a wireless repeater 12, an alarm host machine 13.During practice, wireless axle temperature sensing
Device 11 is installed on EMUs and breaks down the axle box surface (on axle box transverse arm) of warning, and wireless repeater 12 is installed on EMUs
In central compartment, alarm host machine 13 is by carrying with car mechanist and timely control survey temperature.This is wireless, and axle temperature monitoring device can
Realize the bearing temperature monitoring of low-power consumption distance.
When this wireless axle temperature monitoring device is started working, wireless shaft temperature sensor 11 is by default time interval to being supervised
The axle box temperature surveyed and ambient temperature carry out temperature sampling, and by the temperature data obtaining of sampling according to default communication protocols
View form packing obtains axle temperature data, and sends this axle temperature data to wireless repeater 12 and/or alarm host machine 13.As the master that reports to the police
The distance between machine 13 and wireless shaft temperature sensor 11 in the range of default communication distance, generally close together in the case of,
Alarm host machine 13 can directly receive the packet of the axle temperature data that wireless shaft temperature sensor 11 sends.If now wireless relay
Device 12 is also at working condition, then alarm host machine 13 may be simultaneously received this axle temperature data after forwarding through wireless repeater 12
Packet.As a rule, the packet being forwarded by wireless repeater 12 is surrounded by of short duration time delay, alarm host machine 13 than initial data
Can automatically differentiate and process different pieces of information bag it is ensured that communication links up and do not result in conflict.If but alarm host machine 13 and no bobbin
The distance between temperature sensor 11 outside default communication distance scope, generally distant in the case of, it can not be direct
Receive during the packet that wireless shaft temperature sensor 11 sends it is necessary to enable wireless repeater 12, any in EMUs to ensure
One section compartment can receive the temperature data of monitoring.As shown in figure 1, wireless shaft temperature sensor 11 can arrange multiple, with true
Protect axle temperature and the accuracy of axle box ambient temperature value monitoring, when wireless shaft temperature sensor 11 and alarm host machine 13 are apart from each other,
Axle temperature data is first passed to wireless repeater 12 along the A circuit of in figure by wireless shaft temperature sensor 11, then by wireless repeater 12
Through wireless link C by this axle temperature data forwarding to alarm host machine 13；When wireless shaft temperature sensor 11 with alarm host machine 13 apart
When nearer, wireless shaft temperature sensor 11 directly passes to alarm host machine 13 along the B circuit of in figure.
The wireless axle temperature monitoring device of the present embodiment, with wireless shaft temperature sensor, wireless repeater, alarm host machine composition no
Line axle temperature monitoring device, to start after original shaft temperature sensor breaks down, substitutes original shaft temperature sensor and is monitored, should
Device is wirelessly to connect it is not necessary to power cable connection sensor and other communication apparatus, therefore low to axle box space occupancy rate, and not
Have such problems as mutually to be wound around between cable and signal disturbs, can preferably guarantee the accuracy of bearing temperature monitoring it is ensured that vehicle is transported
The safety and reliability of row.
Further, on the basis of above-described embodiment, Fig. 2 is the wireless axle temperature of wireless axle temperature monitoring device shown in Fig. 1
The structural representation of sensor, Fig. 3 is the structural representation of the wireless repeater of wireless axle temperature monitoring device shown in Fig. 1, and Fig. 4 is
The structural representation of the alarm host machine of wireless axle temperature monitoring device shown in Fig. 1.
As shown in Fig. 2 wireless shaft temperature sensor 11 includes：Temperature-sensitive circuit 111, the first MCU control circuit 112, first are no
Line communication module 113, the first power module 114；Temperature-sensitive circuit 111 is connected with the first MCU control circuit 112；First MCU controls
Circuit 112 is connected with the first wireless communication module 113；Temperature-sensitive circuit 111, the first MCU control circuit 112, the first radio communication
Module 113 is connected with the first power module 114 respectively.
Optionally, temperature-sensitive circuit 111 includes：For the Pt100 platinum resistance of wheel axle temperature, for around wheel axle
The DS18B20 quasiconductor digital sensor of ambient temperature；First wireless communication module 113 is based on LoRa Technology of Wireless Spread Spectrum, work
Making frequency range is 433MHz, and transmission power is 100mW, and sensitivity is not less than -148dBm；First MCU control circuit 112 and the first nothing
SPI interface is adopted to connect between line communication module 113；First power module 114 includes：Lithium-thionyl chloride Li-SOCl2 battery.
Specifically, temperature-sensitive circuit 111 adopts Pt100 platinum resistance and DS18B20 two-way thermometric scheme, and Pt100 has measurement
Temperature range width, high precision and the fast feature of response speed, for measuring axle box temperature.DS18B20 is quasiconductor Digital Measurement of Temperature,
Can direct output temperature numerical value, for measurement sensor ambient temperature.Preferably, the first MCU control circuit 112 can select moral
The MSP430AFE253 single-chip microcomputer of state instrument TI is achieved, and single-chip microcomputer adopts low power operation pattern, by timer internal
Automatic cycle wake-up work.First wireless communication module 113 selects Semtech SX1278 wireless transceiver to realize, wherein, no
Line working frequency range is preferably：433MHz, is led to using long-range LoRa (Long Range, referred to as " LoRa ") Technology of Wireless Spread Spectrum
Letter, transmission power is preferably 100mW, the minimum -148dBm of receiving sensitivity.First MCU control circuit 112 and the first channel radio
It is attached using SPI interface between letter module 113.The core of the first power module 114 is lithium-thionyl chloride Li-SOCl2 mono-
Secondary property high-energy battery, due to the special chemical characteristic of lithium Asia battery, passivation effect, self-discharge rate is less than 1% within its year, storage life
Reach more than 10 years.According to experimental data, battery capacity 3.6Ah can provide the operating time of continuous 30 days, 5 years storage lives with
On, and do not need charge maintenance.Power supply additionally, the first power module 114 also includes power on-off control circuit, in such as Fig. 2
Shown in controlling, this power on-off control circuit is subject to controlling of the first MCU control circuit 112, opens or closes to temperature-sensitive circuit 111
With the power supply of the first wireless communication module 113, to reduce power consumption, realize the static state of this wireless axle temperature monitoring device during dormancy
Power consumption is less than 12uW.
Further, this wireless shaft temperature sensor 11 also includes：Water proof and dust proof shell 115, water proof and dust proof shell 115 has
Arc-shaped surface；Temperature-sensitive circuit 111, the first MCU control circuit 112, the first wireless communication module 113, the first power module 114 hold
It is contained in inside water proof and dust proof shell 115.Water proof and dust proof shell 115 adopts hermetically sealed design, water proof and dust proof, and surface circular arc is processed,
Air drag when running at high speed can be substantially reduced.Shaft temperature sensor 11 overall volume that this is wireless is little, lightweight, shock resistance is strong.
As shown in figure 3, wireless repeater 12 includes：Second wireless communication module 121, the second MCU control circuit 122,
Two power modules 123；Second wireless communication module 121 is connected with the second MCU control circuit 122；Second wireless communication module
121st, the second MCU control circuit 122 is connected with second source module 123 respectively.
Optionally, the second MCU control circuit 122 includes MSP430 single-chip microcomputer；Second wireless communication module 121 includes
SX1278 wireless transceiver；It is connected using SPI interface between second MCU control circuit 122 and the second wireless communication module 121；
Second source module 123 includes：Lithium-thionyl chloride Li-SOCl2 battery.
Specifically, the composition of wireless repeater 12 is similar to wireless shaft temperature sensor 11, including the second wireless communication module
121st, this four part of the second MCU control circuit 122, second source module 123 and guard shield, does not include temperature-sensitive circuit part.
Wherein second MCU control circuit 122 preferentially selects the MSP430G2553 chip microcontroller of Texas Instrument TI, the second radio communication
Module 121 is preferably Semtech SX1278 wireless transceiver, and second source module 123 adopts lithium-thionyl chloride Li-SOCl2 mono-
Secondary property high-energy battery and subsidiary control circuit are realized.During inoperative, wireless repeater 12 is in low power operation pattern, quiet
State power consumption is less than 10uW so as to can be with life-time service without charge maintenance.The design of guard shield includes the electricity of easy folding
Chi Cang, to facilitate battery altering.
As shown in figure 4, alarm host machine 13 includes：Alarm host machine body 131, the 3rd wireless communication module 132, the 3rd power supply
Module 133；Alarm host machine body 131 is connected with the 3rd wireless communication module 132；Alarm host machine body 131, the 3rd radio communication
Module 132 is connected with the 3rd power module 133 respectively.Optionally, alarm host machine body 131 is technical grade PDA, including：
The CPU of 600MHz, resolution are at least the display module of 320*240, the speaker for sending warning caution sound；3rd is wireless
Transistor-Transistor Logic level serial-port communication is adopted between communication module 132 and alarm host machine body 131；3rd power module 133 includes：Hold
Amount is at least the lithium battery of more than 4000mAh.
Specifically, alarm host machine 13 is by the alarm host machine body 131 of hand-held and the 3rd embedded wireless communication module
132, and the 3rd power module 133 forms.Wherein, alarm host machine body 131 is preferably technical grade PDA, CPU speed 600MHz
More than, display resolution reaches 320*240, includes alarming horn.3rd wireless communication module 132 is preferably Semtech SX1278
The MSP430 single-chip microcomputer of wireless transceiver and Texas Instrument TI is achieved.3rd wireless communication module 132 is with alarm host machine originally
Pass through Transistor-Transistor Logic level serial-port communication between body 131.3rd power module 133 preferably employs the chargeable of more than capacity 4000mAh
Lithium battery power supply.Windows Mobile operating system is installed in this alarm host machine 13 and is applied to wireless bearing temperature monitoring method
Special-purpose software, to realize axle temperature data acquisition, display, storage and the function such as alarm analysis.
The wireless axle temperature monitoring device of the present embodiment can improve the operational reliability of EMUs shaft temperature monitoring system, existing
Substitute it when having vehicle-mounted axle temperature monitoring device malfunction and failure to run it is ensured that EMUs continue operation by set operation plan.Wherein
Wireless communication module adopt LoRa radio spread spectrum communication and transparent relay transmission technology scheme, wireless signal can be significantly improved
Transmission range is it is ensured that the axle temperature emergency monitoring of long marshalling motor-car (as 16 section compartments) requires.
On the basis of each embodiment above-mentioned, this utility model also provides a kind of motor train unit train, including vehicle body, in car
It is provided with the wireless axle temperature monitoring device as described in above-mentioned any embodiment with it, wherein, wireless shaft temperature sensor 11 is arranged on
The axle box surface of body bottom section；Wireless repeater 12 is arranged on the central compartment position of vehicle body；Alarm host machine 13 movably sets
Put at any compartment in interior vehicle body.The 26S Proteasome Structure and Function of wireless axle temperature monitoring device is similar with previous embodiment, herein no longer
Repeat.
The motor train unit train of the present embodiment is using by wireless shaft temperature sensor, wireless repeater, alarm host machine three part group
The wireless axle temperature monitoring device becoming, even if wherein wireless repeater can extend transmission of wireless signals distance it is ensured that wireless axle temperature
The EMUs that sensor is installed on 16 marshallings take termination car, and alarm host machine is installed on unoccupied termination car, between the two
Radio communication can be smoothed out.Meanwhile, wireless repeater adopts all-transparent communication mode, and it is right not need when adding wireless repeater
The communication of wireless shaft temperature sensor and alarm host machine is additionally arranged, and strong antijamming capability, in 100mW radio-frequency power condition
Under, on EMUs car, under car, transmission of wireless signals distance is more than 8 section compartments.Skill is controlled using low consumption circuit design and software
Art, greatly reduces the power supply power consumption of whole device, extends battery；Additionally, adopting disposable high power lithium battery conduct
Wireless shaft temperature sensor and the power supply of wireless repeater, battery self discharge rate is extremely low, and during long term storage, manpower-free safeguards；
Wireless shaft temperature sensor is using two-way thermometric scheme so that alarm host machine can be carried out from dynamic(al) correction and sense to the temperature receiving
Whether warm element the intellectual analysis warning function such as comes off.
Finally it should be noted that：Various embodiments above is only in order to illustrating the technical solution of the utility model, rather than it is limited
System；Although being described in detail to this utility model with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It still can be modified to the technical scheme described in foregoing embodiments, or to wherein some or all of
Technical characteristic carries out equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of type each embodiment technical scheme.
Claims (7)
1. a kind of wireless axle temperature monitoring device is it is characterised in that include：At least one is wireless shaft temperature sensor, wireless repeater,
Alarm host machine；
Described wireless shaft temperature sensor is wirelessly connected with described wireless repeater and described alarm host machine respectively, described wireless axle temperature
Sensor is used for sending axle temperature data to described wireless repeater and/or described alarm host machine；
Described wireless repeater is wirelessly connected with described alarm host machine；Described wireless repeater is used for pass from described wireless axle temperature
The described axle temperature data transfer receiving at sensor gives described alarm host machine, so that described alarm host machine is according to described axle temperature data
Carry out temperature alarming.
2. wireless axle temperature monitoring device according to claim 1 it is characterised in that
Described wireless shaft temperature sensor includes：Temperature-sensitive circuit, the first MCU control circuit, the first wireless communication module, the first power supply
Module；Described temperature-sensitive circuit is connected with described first MCU control circuit；Described first MCU control circuit is wireless with described first
Communication module connects；Described temperature-sensitive circuit, described first MCU control circuit, described first wireless communication module respectively with described
First power module connects；
Described wireless repeater includes：Second wireless communication module, the second MCU control circuit, second source module；Described second
Wireless communication module is connected with described second MCU control circuit；Described second wireless communication module, described 2nd MCU control electricity
Road is connected with described second source module respectively；
Described alarm host machine includes：Alarm host machine body, the 3rd wireless communication module, the 3rd power module；Described alarm host machine
Body is connected with described 3rd wireless communication module；Described alarm host machine body, described 3rd wireless communication module respectively with institute
State the 3rd power module to connect.
3. wireless axle temperature monitoring device according to claim 2 is it is characterised in that described temperature-sensitive circuit includes：For surveying
The Pt100 platinum resistance of amount wheel shaft temperature, the DS18B20 quasiconductor digital sensor for wheel axle ambient temperature；Institute
State the first wireless communication module and be based on LoRa Technology of Wireless Spread Spectrum, working frequency range is 433MHz, transmission power is 100mW, sensitive
Degree is not less than -148dBm；It is connected using SPI interface between described first MCU control circuit and described first wireless communication module；
Described first power module includes：Lithium-thionyl chloride Li-SOCl2 battery.
4. wireless axle temperature monitoring device according to claim 2 is it is characterised in that described second MCU control circuit includes
MSP430 single-chip microcomputer；Described second wireless communication module includes SX1278 wireless transceiver；Second MCU control circuit and described the
SPI interface is adopted to connect between two wireless communication modules；Described second source module includes：Lithium-thionyl chloride Li-SOCl2 electricity
Pond.
5. wireless axle temperature monitoring device according to claim 2 is it is characterised in that described alarm host machine body is technical grade
PDA, including：The CPU of 600MHz, resolution are at least the display module of 320*240, for sending raising one's voice of warning caution sound
Device；Transistor-Transistor Logic level serial-port communication is adopted between described 3rd wireless communication module and described alarm host machine body；Described 3rd electricity
Source module includes：Capacity is at least the lithium battery of more than 4000mAh.
6. the wireless axle temperature monitoring device according to Claims 2 or 3 is it is characterised in that described wireless shaft temperature sensor bag
Include：Water proof and dust proof shell, described water proof and dust proof shell has arc-shaped surface；Described temperature-sensitive circuit, a described MCU control electricity
Road, described first wireless communication module, described first power module are contained in described water proof and dust proof enclosure.
7. a kind of motor train unit train, including vehicle body it is characterised in that arranging arbitrary just like claim 1～6 on described vehicle body
Wireless axle temperature monitoring device described in, wherein, described wireless shaft temperature sensor is arranged on the axle box surface of body bottom section；Described
Wireless repeater is arranged on the central compartment position of described vehicle body；Described alarm host machine is movably disposed in interior described vehicle body
Arbitrarily at compartment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620916486.8U CN205930759U (en) | 2016-08-22 | 2016-08-22 | Wireless axle temperature monitoring devices and motor train unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620916486.8U CN205930759U (en) | 2016-08-22 | 2016-08-22 | Wireless axle temperature monitoring devices and motor train unit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109131446A (en) * | 2017-06-15 | 2019-01-04 | 北京通号国铁城市轨道技术有限公司 | Train DAS (Driver Assistant System) based on wireless LoRa network |
| CN110329307A (en) * | 2019-07-26 | 2019-10-15 | 上海工程技术大学 | A kind of passive and wireless shaft temperature monitoring system |
| CN112414569A (en) * | 2020-11-23 | 2021-02-26 | 西安热工研究院有限公司 | Coal pulverizer shaft temperature acquisition alarm system based on wireless ad hoc network |
| CN112622990A (en) * | 2021-01-16 | 2021-04-09 | 湖南科技大学 | Intelligent operation and maintenance management system for urban rail metro vehicle |
-
2016
- 2016-08-22 CN CN201620916486.8U patent/CN205930759U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109131446A (en) * | 2017-06-15 | 2019-01-04 | 北京通号国铁城市轨道技术有限公司 | Train DAS (Driver Assistant System) based on wireless LoRa network |
| CN110329307A (en) * | 2019-07-26 | 2019-10-15 | 上海工程技术大学 | A kind of passive and wireless shaft temperature monitoring system |
| CN112414569A (en) * | 2020-11-23 | 2021-02-26 | 西安热工研究院有限公司 | Coal pulverizer shaft temperature acquisition alarm system based on wireless ad hoc network |
| CN112622990A (en) * | 2021-01-16 | 2021-04-09 | 湖南科技大学 | Intelligent operation and maintenance management system for urban rail metro vehicle |
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