CN211783953U - Temperature real-time monitoring system based on RFID - Google Patents
Temperature real-time monitoring system based on RFID Download PDFInfo
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- CN211783953U CN211783953U CN201922219095.7U CN201922219095U CN211783953U CN 211783953 U CN211783953 U CN 211783953U CN 201922219095 U CN201922219095 U CN 201922219095U CN 211783953 U CN211783953 U CN 211783953U
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Abstract
The utility model provides a temperature real-time monitoring system based on RFID, which comprises an RFID passive temperature measurement electronic tag, a temperature monitoring device, a radio frequency antenna and a total temperature monitoring device; the RFID passive temperature measurement electronic tag is arranged on a temperature measurement point of electrical equipment of the railway train vehicle and is used for receiving a temperature measurement instruction sent by the temperature monitoring equipment; the temperature monitoring equipment and the radio frequency antenna are arranged in a communication range of a temperature measuring point, and are connected through a radio frequency cable; the total temperature monitoring equipment is connected with each temperature monitoring equipment through a network and used for receiving and storing the data information sent by the temperature monitoring equipment. Implement the utility model has the advantages that: the temperature information of all temperature measuring points on the train can be monitored in real time, the temperature conditions of all the temperature measuring points can be mastered in real time through interconnection and intercommunication of the temperature monitoring equipment, the real-time monitoring of the temperature of the train electrical equipment is realized, and the advance warning of abnormal temperature is realized.
Description
Technical Field
The utility model relates to a safety monitoring field of railway train electrical equipment especially relates to a temperature real-time monitoring system based on RFID.
Background
The temperature measurement modes widely adopted by the electric equipment of the railway train at present mainly comprise the traditional temperature measurement modes of infrared temperature measurement instrument temperature measurement, color-changeable luminescent material temperature measurement, active temperature measurement and the like.
The mode of infrared radiation thermometer temperature measurement needs manual intervention, and intensity of labour is big, and is inefficient, to the danger area that operating personnel can't be close to, this kind of temperature measurement mode also can't implement. Meanwhile, the infrared temperature measurement mode requires no middle barrier, the temperature measurement accuracy is easily affected by environments such as dust, rainwater and the like, and the measurement accuracy is low.
The temperature measurement mode of the color-changeable luminescent material needs manual inspection to check the color change result of the luminescent material, cannot master the process information of temperature change and the specific time of temperature change, and cannot meet the requirement of real-time monitoring.
The active temperature measurement mode adopts an active sensor to measure temperature, and generally needs a built-in battery or external power supply. The construction cost for battery replacement or external power supply line deployment is high, and meanwhile, potential safety hazards exist in battery work.
Therefore, the temperature measurement of the existing railway train electrical equipment needs manual intervention, the line deployment is difficult, the temperature measurement accuracy is low, the real-time temperature monitoring of the whole process cannot be realized, and the like.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a temperature real-time monitoring system based on RFID, the temperature measurement of solving current railway train electrical equipment needs manual intervention, circuit deployment difficulty, temperature measurement accuracy low, can't realize the temperature real time monitoring scheduling problem of overall process.
The utility model provides a technical scheme that its technical problem adopted is: the temperature real-time monitoring system based on the RFID comprises an RFID passive temperature measurement electronic tag, temperature monitoring equipment, a radio frequency antenna and total temperature monitoring equipment; the RFID passive temperature measurement electronic tag is arranged on a temperature measurement point of electrical equipment of the railway train vehicle and is used for receiving a temperature measurement instruction sent by the temperature monitoring equipment and starting temperature measurement in real time; the temperature monitoring equipment and the radio frequency antenna are arranged in a communication range of a temperature measuring point, and are connected through a radio frequency cable; the total temperature monitoring equipment is connected with each temperature monitoring equipment through a network and used for receiving and storing the data information sent by the temperature monitoring equipment.
Furthermore, the RFID passive temperature measurement electronic tag is mounted in a binding belt type or a ring sleeving type; the RFID chip of the RFID passive temperature measurement electronic tag integrates a temperature sensor, and external power supply is not needed.
Further, the RFID passive temperature measurement electronic tag information includes an installation position of the RFID passive temperature measurement electronic tag and a temperature of a temperature measurement point.
Furthermore, the temperature monitoring equipment is installed in a wall-mounted mode.
Furthermore, the temperature monitoring equipment is connected with a train broadcasting network line, and the RFID passive temperature measurement electronic tag data is modulated on a set carrier frequency for transmission by adopting FSK modulation.
Furthermore, the temperature monitoring equipment is provided with address information, the address information comprises carriage number information corresponding to the installation position of the RFID passive temperature measurement electronic tag, and the address information of the temperature monitoring equipment is modulated on a set carrier frequency to be transmitted.
Furthermore, the temperature monitoring device comprises an intelligent processing module, an RFID transceiver module, a touch display module, an audible and visual alarm module and a train communication module; the intelligent processing module is respectively connected with the RFID transceiving module, the touch display module, the sound and light alarm module and the train communication module; the RFID transceiver module is connected with the radio frequency antenna, and the train communication module is connected with a train broadcasting network.
Furthermore, the radio frequency antenna is a high-gain miniaturized antenna and is arranged in a communication range capable of being communicated with a temperature measuring point.
Further, the total temperature detection device is provided with a data communication interface for communicating with a passenger car operation safety monitoring system (TCDS).
And the temperature monitoring management equipment is arranged in the ground monitoring center and used for storing, counting and analyzing the data of each temperature measuring point sent by the total temperature monitoring equipment.
Further, the temperature monitoring device is directly powered by the vehicle, and the input voltage is DC 40V-DC 160V.
The RFID-based temperature real-time monitoring system works as follows: the RFID transceiving module is connected with the radio frequency antenna, the RFID transceiving module sends a temperature measurement instruction according to a set time interval to activate the RFID passive temperature measurement electronic tag to start temperature measurement, and meanwhile receives the RFID passive temperature measurement electronic tag information in real time, wherein the RFID passive temperature measurement electronic tag information comprises a temperature measurement point position, the current temperature of the temperature measurement point and the like, and the whole process does not need manual intervention; the touch display module displays the temperature value and corresponding position information of each temperature measuring point and displays different temperature overrun levels (normal, early warning and alarming) by using different colors; and the sound and light alarm module carries out sound and light prompt according to different temperature overrun levels.
The train communication module is connected with a train broadcasting network line, and related data of the RFID passive temperature measurement electronic tag is modulated on a set carrier frequency for transmission by adopting FSK modulation. The temperature monitoring equipment modulates the address information on a set carrier frequency for transmission, so that interconnection and intercommunication of the temperature monitoring equipment of each compartment are realized, and temperature abnormal state information of temperature measuring points of other vehicles can be received at any vehicle position.
The total temperature detection equipment can communicate with other existing equipment through a set data communication interface, and data information sharing is achieved. Meanwhile, the total temperature detection equipment sends the stored data to the temperature monitoring management equipment through a wireless network when the train arrives at the station.
Implement the utility model has the advantages that: the temperature information of all temperature measuring points on the train can be monitored in real time, the temperature conditions of all the temperature measuring points can be mastered in real time through interconnection and intercommunication of the temperature monitoring equipment, the on-line real-time monitoring of the temperature of the train electrical equipment is realized, the alarm is given in advance when the temperature is abnormal, and the occurrence of fire accidents during train operation is avoided.
Drawings
FIG. 1 is a schematic diagram of a real-time RFID-based temperature monitoring system for railroad train electrical equipment;
FIG. 2 is a schematic diagram showing the main module structure of the temperature monitoring device;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and fig. 2, a real-time temperature monitoring system based on RFID includes an RFID passive temperature measurement electronic tag 1, a temperature monitoring device 3, a radio frequency antenna 2, a total temperature monitoring device 4, and a temperature monitoring management device 5.
The RFID passive temperature measurement electronic tags 1 are installed on the surfaces of cable contact nodes in a power cabinet of a railway train, a temperature measurement point is arranged at the installation position of each RFID passive temperature measurement electronic tag 1, a plurality of temperature measurement points can be arranged according to the number of cable contacts, and meanwhile, the installation mode of the RFID passive temperature measurement electronic tags 1 can be a binding belt type or a loop type. The RFID passive temperature measurement electronic tag information comprises the installation position of the RFID passive temperature measurement electronic tag 1 and the temperature of a temperature measurement point. The RFID chip of the RFID passive temperature measurement electronic tag 1 integrates a temperature sensor, and external power supply is not needed.
Each train is provided with a temperature monitoring device 3 and a radio frequency antenna 2, and the temperature monitoring device 3 is connected with the radio frequency antenna 2 through a radio frequency cable. The temperature monitoring equipment 3 and the radio frequency antenna 2 are arranged in a communication range of a temperature measuring point, and preferably, the temperature monitoring equipment 3 is arranged in a power distribution room or a rest room of a trainman and other areas which are convenient for on-site viewing. The temperature monitoring device 3 is mounted in a wall-mounted manner, is directly powered by a vehicle, and has input voltages of DC 40V-DC 160V. The radio frequency antenna 2 is a high-gain miniaturized antenna, is arranged at the top or the bottom in the power cabinet and can cover the communication with all temperature measuring points in the power cabinet.
The temperature monitoring device 3 is provided with an intelligent processing module 30, an RFID transceiver module 31, a touch display module 32, an audible and visual alarm module 33 and a train communication module 34. The intelligent processing module 30 is respectively connected with the RFID transceiving module 31, the touch display module 32, the sound-light alarm module 33 and the train communication module 34, the RFID transceiving module 31 is connected with the radio frequency antenna 2, a temperature measurement instruction is sent to activate the RFID passive temperature measurement electronic tag 1 to start temperature measurement, and after the RFID passive temperature measurement electronic tag 1 finishes temperature real-time measurement, tag information including the position of a temperature measurement point, the current temperature and the like is returned; meanwhile, the touch display module 32 displays the temperature value and the position information of each temperature measuring point in real time, and displays different temperature overrun levels (normal, early warning and alarming) by using different colors. The acousto-optic alarm module 33 carries out acousto-optic prompt according to different temperature overrun levels and prompts field workers to carry out inspection processing in real time. The train communication module 34 is connected with an existing communication line of a train, such as a broadcast line, and transmits data related to the RFID passive temperature measurement electronic tag 1 on a set carrier frequency by FSK modulation, so that interconnection and intercommunication of temperature monitoring devices of each compartment are realized, and temperature abnormal state information of temperature measurement points of other vehicles can be received at any vehicle position. The set carrier frequency is different from the communication carrier frequency of the existing equipment, so that mutual interference is avoided.
The temperature monitoring equipment 3 sets address information, the address information comprises carriage numbers, car numbers and other information corresponding to the installation positions of the RFID passive temperature measurement electronic tags 1, the address information of the temperature monitoring equipment is modulated on a set carrier frequency to be transmitted, interconnection and intercommunication of the temperature monitoring equipment of each carriage are achieved, and therefore temperature abnormal state information of temperature measurement points of other vehicles can be received at any vehicle position.
In this embodiment, one of the plurality of temperature monitoring devices 3 is preset as a total temperature monitoring device 4, preferably, the temperature monitoring device 3 installed on the locomotive is selected as the total temperature monitoring device 4, the total temperature monitoring device 4 is connected with each temperature monitoring device 3 through a network and is used for receiving and storing data information sent by other temperature monitoring devices 3, and the total temperature monitoring device 4 can communicate with an existing passenger car operation safety monitoring system (TCDS)6 device through a set data communication interface to realize data information sharing. Meanwhile, the total temperature detection device sends the stored data to the temperature monitoring management device 5 through the network when the train arrives at the station.
The temperature monitoring management device 5 is arranged in the ground monitoring center and used for storing, analyzing, counting and the like the data of each temperature measuring point sent by the total temperature detection device 4.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A temperature real-time monitoring system based on RFID is characterized by comprising an RFID passive temperature measurement electronic tag, temperature monitoring equipment, a radio frequency antenna and total temperature monitoring equipment; the RFID passive temperature measurement electronic tag is arranged on a temperature measurement point of electrical equipment of the railway train vehicle and is used for receiving a temperature measurement instruction sent by the temperature monitoring equipment and starting temperature measurement in real time; the temperature monitoring equipment and the radio frequency antenna are arranged in a communication range of a temperature measuring point, and are connected through a radio frequency cable; the total temperature monitoring equipment is connected with each temperature monitoring equipment through a network and used for receiving and storing the data information sent by the temperature monitoring equipment.
2. The real-time temperature monitoring system based on RFID as claimed in claim 1, wherein the RFID passive temperature measurement electronic tag is mounted in a band-type or a ring-type manner.
3. The real-time RFID-based temperature monitoring system according to claim 1, wherein the RFID passive temperature-measuring electronic tag information includes the RFID passive temperature-measuring electronic tag mounting position and temperature measuring point temperature.
4. The real-time RFID-based temperature monitoring system of claim 1, wherein the temperature monitoring device is mounted on a wall.
5. The RFID-based real-time temperature monitoring system according to claim 1, wherein the temperature monitoring device is connected with a train broadcasting network line, and the RFID passive temperature measurement electronic tag data is modulated on a set carrier frequency for transmission by adopting FSK modulation.
6. The RFID-based real-time temperature monitoring system according to claim 1, wherein the temperature monitoring device is provided with address information, the address information includes car number information corresponding to the installation position of the RFID passive temperature measurement electronic tag, and the address information of the temperature monitoring device is modulated on a set carrier frequency for transmission.
7. The RFID-based real-time temperature monitoring system according to claim 1, wherein the temperature monitoring device comprises an intelligent processing module, an RFID transceiver module, a touch display module, an audible and visual alarm module and a train communication module; the intelligent processing module is respectively connected with the RFID transceiving module, the touch display module, the sound and light alarm module and the train communication module; the RFID transceiver module is connected with the radio frequency antenna, and the train communication module is connected with a train broadcasting network.
8. The real-time RFID-based temperature monitoring system according to claim 1, wherein the RF antenna is a high-gain miniaturized antenna disposed in a communication range with a temperature measuring point.
9. The real-time RFID-based temperature monitoring system according to claim 1, wherein the total temperature detection device is provided with a data communication interface for communicating with a passenger car operation safety monitoring system.
10. The RFID-based real-time temperature monitoring system according to claim 1, further comprising a temperature monitoring management device, wherein the temperature monitoring management device is disposed in a ground monitoring center, is in network connection with the total temperature monitoring device, and is configured to store, count, and analyze data of each temperature measurement point sent by the total temperature monitoring device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922219095.7U CN211783953U (en) | 2019-12-06 | 2019-12-06 | Temperature real-time monitoring system based on RFID |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922219095.7U CN211783953U (en) | 2019-12-06 | 2019-12-06 | Temperature real-time monitoring system based on RFID |
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| CN211783953U true CN211783953U (en) | 2020-10-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903144A (en) * | 2021-04-01 | 2021-06-04 | 珠海领航电气有限公司 | Cable head temperature monitoring display device, system and method based on RFID |
| CN113280948A (en) * | 2021-05-11 | 2021-08-20 | 江苏中车数字科技有限公司 | Temperature monitoring system based on ultrahigh frequency RFID temperature sensing technology |
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2019
- 2019-12-06 CN CN201922219095.7U patent/CN211783953U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903144A (en) * | 2021-04-01 | 2021-06-04 | 珠海领航电气有限公司 | Cable head temperature monitoring display device, system and method based on RFID |
| CN112903144B (en) * | 2021-04-01 | 2022-01-28 | 珠海领航电气有限公司 | Cable head temperature monitoring display device, system and method based on RFID |
| CN113280948A (en) * | 2021-05-11 | 2021-08-20 | 江苏中车数字科技有限公司 | Temperature monitoring system based on ultrahigh frequency RFID temperature sensing technology |
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