CN117213650A - Bus temperature monitoring system and method based on UHF RFID - Google Patents
Bus temperature monitoring system and method based on UHF RFID Download PDFInfo
- Publication number
- CN117213650A CN117213650A CN202311112307.6A CN202311112307A CN117213650A CN 117213650 A CN117213650 A CN 117213650A CN 202311112307 A CN202311112307 A CN 202311112307A CN 117213650 A CN117213650 A CN 117213650A
- Authority
- CN
- China
- Prior art keywords
- bus
- tag
- radio frequency
- temperature
- handheld terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 92
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000007689 inspection Methods 0.000 claims abstract description 32
- 238000004891 communication Methods 0.000 claims abstract description 29
- 238000009434 installation Methods 0.000 claims abstract description 22
- 238000004088 simulation Methods 0.000 claims abstract description 16
- 230000002159 abnormal effect Effects 0.000 claims abstract description 6
- 238000004458 analytical method Methods 0.000 claims abstract description 3
- 238000009529 body temperature measurement Methods 0.000 claims description 43
- 239000010410 layer Substances 0.000 claims description 26
- 230000006870 function Effects 0.000 claims description 16
- 230000000007 visual effect Effects 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 12
- 238000010586 diagram Methods 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 10
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 7
- 239000012790 adhesive layer Substances 0.000 claims description 5
- 230000002452 interceptive effect Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 238000007726 management method Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000013507 mapping Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000013439 planning Methods 0.000 claims description 3
- 238000007781 pre-processing Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 7
- 239000013307 optical fiber Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000013500 data storage Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000013523 data management Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The application discloses a bus temperature monitoring system and a bus temperature monitoring method based on UHF RFID, wherein the system comprises an ultrahigh frequency radio frequency tag integrated with a temperature sensing chip, a reader-writer, a data communication terminal and a server, the reader-writer comprises a handheld terminal or/and a fixed terminal, the handheld terminal radio frequency module adopts a far-field elliptical polarized antenna, the handheld terminal is provided with a bus scene simulation platform, the server is provided with a bus temperature monitoring platform, the bus temperature monitoring platform is used for receiving and managing received temperature inspection information, carrying out temperature display and recording, data comparison analysis and tag management, sending real-time alarm information to abnormal data, and reducing the installation difficulty and early investment of traditional bus products and greatly reducing the later maintenance pressure by applying UHF RF I D in a bus temperature monitoring environment of high Wen Gaoci.
Description
Technical Field
The application relates to the technical field of bus temperature monitoring products, in particular to a bus temperature monitoring system and method which are convenient to deploy and capable of monitoring continuously in real time based on UHF RFID.
Background
The bus is an important component device in a power transmission and distribution system, the bus duct is a device for transmitting high current and high power, the operation safety of the bus duct determines the overall operation safety, the operation safety and the stability of the bus duct are the basis for ensuring the stable operation of the power transmission and distribution system, and the bus temperature rise index is the most critical index for judging the operation state of the bus duct. There are many types of bus duct temperature monitoring products in the market at present, and the temperature of the bus is monitored by adopting modes such as a sensor, a temperature sensing optical fiber and the like.
The utility model discloses a temperature optical fiber monitoring system based on enterprise level electric power generating line system, including electric power enclosed bus, distributed optical fiber and optic fibre temperature measurement host computer, distributed optical fiber is arranged along the length direction of electric power enclosed bus, it still includes the dish and stays the box, electric power enclosed bus is formed by a plurality of straightway links to each other, connect through the busbar connector between two adjacent straightway, distributed optical fiber includes extension section and temperature measurement section, the extension section corresponds straightway setting, the temperature measurement section corresponds busbar connector setting, and set up in the dish and stay the box around setting up the multilayer, distributed optical fiber is connected to the optic fibre temperature measurement host computer and detect the temperature of busbar connector through the temperature measurement section, this scheme is with distributed optical fiber temperature measurement introduction in the temperature monitoring system of electric power enclosed bus, measure the last temperature of busbar connector, can judge electric power generating line state according to busbar connector temperature fast. However, the active detection product devices have more or less defects, such as difficult installation, high post maintenance pressure, high equipment failure rate, high implementation cost and the like.
However, if the RFID technology is directly applied to the field of bus temperature measurement, the same problem can occur, for example, after a UHF RFID electronic identification tag is integrated with a temperature sensing chip, the temperature sensing chip is required to be powered so that the reading distance is correspondingly reduced, the reading distance is generally within 3 meters, most bus products are installed in a space area which is 4-5 meters or higher from the ground, the PAD equipment of a handheld terminal on the market adopts a far-field circularly polarized antenna, so that the range of the UHF RFID electronic identification tag can be effectively ensured, but the reading distance of information can be reduced, the tag in the prior art is not applicable to the field of bus temperature monitoring, the back adhesive of the UHF RFID electronic identification tag is generally a traditional AB adhesive, the installation and fixation requirements of the product can be met at the initial stage of product adhesion, but the adhesive surface of the UHF RFID electronic identification tag can be hardened along with the increase of the use time so that the bonding failure of the UHF RFID electronic identification tag can fall off from the adhesive surface. The problems cause that the traditional bus temperature measurement products are required to be trained for installers before being installed, the installers need to master the requirement, notice and the like of the product installation, the installation information of the product, such as the joint number, the installation position and the like, and the products need to be subjected to joint and joint test and the like in the later stage, so that the installation implementation difficulty and the cost are increased. Meanwhile, a common temperature sensor is about ten yuan, but the type of receiving terminal of the temperature sensor is basically 3-4 kiloyuan/platform, more than one receiving terminal is needed to be combined with the actual project condition and the receiving terminal access capacity, and the cost of field connection cables, accessories and training installation is also needed to be considered, so that the early investment is high. Some schemes using common RFID and general temperature sensor, in order to solve the power supply and communication problems of the temperature sensor, other wireless communication modules, unreliable power supply batteries and the like are required to be added at the periphery, so that the cost is greatly increased. In summary, these solutions all have the problems of difficult installation, high post-maintenance pressure, high equipment failure rate, high implementation cost and the like.
Disclosure of Invention
Aiming at the defects of the prior art, the scheme provides a bus temperature monitoring system and method based on UHF RFID, so as to solve the problems of difficult installation, high later maintenance pressure, high early investment and high implementation cost of the prior art using common bus temperature measurement products.
In order to achieve the above purpose, the present solution is implemented by the following technical solutions:
the bus temperature monitoring system based on UHF RFID comprises an UHF radio frequency tag integrating a temperature sensing chip, a reader-writer, a data communication terminal and a server, wherein the reader-writer comprises a handheld terminal or/and a fixed terminal installed near a bus duct, the fixed terminal comprises a radio frequency module containing a relay amplifier, the fixed terminal is used for realizing on-line monitoring on the bus temperature, the UHF radio frequency tag information of a corresponding area inquired according to a set time period is transmitted back to the server through the data communication terminal, the handheld terminal is provided with a bus scene simulation platform for realizing off-line monitoring on the bus temperature, the bus scene simulation platform comprises on-site bus trend and distribution condition information, and utilizes a path autonomous learning planning guide to prompt a patrol inspector to carry out temperature patrol or write-in binding on the UHF radio frequency tag, the handheld terminal comprises a display screen, a radio frequency module and a hybrid positioning device, wherein the display screen is used for the interaction between a bus scene simulation platform and a patrol personnel, the radio frequency module adopts a far-field elliptical polarized antenna, the hybrid positioning device uses the hybrid positioning of GPS/Beidou+base station+WI F I to provide the current position of the handheld terminal for the bus scene simulation platform for confirming the actual position of an operated ultrahigh frequency radio frequency tag, the ultrahigh frequency radio frequency tag comprises a specific chip layer, the top of the specific chip layer is a back adhesive layer, the bottom of the specific chip layer is a release paper layer, the ultrahigh frequency radio frequency tag is adhered to a key part of a bus slot by using the release paper layer, the data communication terminal is used for converging multiple paths of field data into a server, the server is provided with the bus temperature monitoring platform, the bus temperature monitoring platform is used for receiving and managing the received temperature inspection information, displaying and recording the temperature, comparing and analyzing data, managing labels and sending out real-time alarm information for abnormal data.
Preferably, the ultrahigh frequency radio frequency tag matched with the fixed terminal is a passive common tag.
Preferably, the specific chip layer of the ultra-high frequency radio frequency tag matched with the handheld terminal comprises an SOC temperature measuring chip, an antenna and a UHF RFID module, wherein the SOC temperature measuring chip adopts a band gap type digital temperature sensor, the UHF RFID module comprises an automatic tuning module, the automatic tuning module is used for automatically adjusting the input impedance of an antenna port, the ultra-high frequency radio frequency tag with the automatic tuning module can effectively improve the energy sent from the handheld terminal or a relay amplifier, the bandwidth range can be expanded, the reading distance of the UHF RFID electronic identification tag is effectively increased, the sensitivity is improved, the SOC temperature measuring chip is integrated in the ultra-high frequency radio frequency tag to replace the traditional temperature sensor chip, the temperature measuring chip can be started under the mu A level current condition and automatically dormant after the measurement is completed, and the information is transmitted after the temperature measuring chip is integrated with the identity information in the UHF RFID electronic identification tag, so that the reading distance of the information is effectively ensured; meanwhile, the antenna specification is increased, so that the capability of sending and receiving information is enhanced, and the reading distance is further ensured; by using the technical scheme, the reading distance of the common UHF RFID electronic identification tag can be increased to 7 meters from within 3 meters, so that the application scenes of most buses are met, and the characteristics of bus products are attached.
Preferably, the key part of the bus duct is a bus bar connection part.
Preferably, the adhesive back glue used for the release paper layer of the ultrahigh frequency radio frequency tag adopts 3M metal glue, and the coating back glue has the relevant advantages of AB glue and also has high flexibility by adopting 3M metal glue, so that the adhesive layer can be effectively prevented from cracking, the long-time adhesive effect can be ensured, and the adhesive strength, the mounting firmness and the durability of the UHF RFID electronic identification tag on a bus can be effectively ensured.
Preferably, the handheld terminal is provided with an anti-interference device, and the anti-interference device is used for preventing non-RFID wireless equipment or different labels and readers from interfering the identification of the ultra-high frequency radio frequency chip.
Preferably, the handheld terminal is provided with an overrun audible and visual alarm device, and the overrun audible and visual alarm device is used for performing audible and visual alarm on the condition that the temperature of the bus exceeds the limit.
Preferably, the data communication terminal is further connected with a boundary controller, the boundary controller is connected with the cloud server in a wired or wireless mode, the boundary controller is used for preprocessing data sent to the cloud server, and the cloud server is used for achieving the function of one-to-one matching with the bus temperature measurement monitoring platform.
Preferably, the data communication terminal is also connected with an on-site display unit, and the on-site display unit is used for locally importing data into the human-computer interface equipment for display and alarm, and the unit is arranged, so that flexible deployment and adjustment requirements according to needs can be realized.
Based on the same inventive concept, the scheme is realized by the following technical scheme:
a bus temperature monitoring method based on UHF RFID adopts the following steps:
s1, preparing an ultrahigh frequency radio frequency tag of an integrated temperature sensing chip to be installed;
s2, sticking the ultrahigh frequency radio frequency tag of the coded or uncoded integrated temperature sensing chip to the key part of the bus duct by using a release paper layer according to whether the mounting is preformed, if the mounting is preformed, writing a user-defined ID code into the ultrahigh frequency radio frequency tag by combining a bus design trend chart and a mounting construction chart in the bus production process, sticking the coded ultrahigh frequency radio frequency tag to the key part of the bus duct in a one-to-one correspondence manner by combining the mounting construction chart, and carrying out tag inspection on the bus by a handheld terminal according to a path; if the bus duct is installed in a non-prefabricated mode, the uncoded ultrahigh frequency radio frequency tag is directly stuck and installed on the key part of the bus duct needing temperature detection, different types of readers are arranged according to whether online monitoring is needed, and if the bus duct needs only offline monitoring, tag inspection is carried out on the bus duct through a handheld terminal according to a path;
s3, after carrying out tag inspection on the bus through the handheld terminal according to the path, determining how to match the ultrahigh frequency radio frequency tag with the point position in the bus scene simulation platform in the handheld terminal according to whether the ultrahigh frequency radio frequency tag is coded, if the ultrahigh frequency radio frequency tag is prefabricated, only matching the ultrahigh frequency radio frequency tag with the point position in the handheld terminal one by one in the tag inspection process, if the ultrahigh frequency radio frequency tag is non-prefabricated, manually coding the ultrahigh frequency radio frequency tag by using the handheld terminal, and recording the coded information in the handheld terminal after matching the coded information with the point position in the handheld terminal, and after the matching is completed, carrying out temperature inspection on the bus by using the handheld terminal according to a set period;
if online monitoring is needed, firstly configuring system functions in a bus temperature measurement monitoring platform according to peripheral information to be connected in the online monitoring, and then arranging a fixed terminal with a relay amplifier according to an installation construction diagram;
s4, accessing the reader-writer into a local area network where the server is located;
s5, uploading tag information data to a bus temperature measurement monitoring platform according to the types of different readers, configuring a database, mapping the tag information data to the database, wherein the tag information data are matched with bus design trend graph node information of the bus temperature measurement monitoring platform one by one, if the tag information data are uploaded by a handheld terminal, the tag information data are set to be coded and mapped directly at corresponding options of the bus temperature measurement monitoring platform, and if the tag information data are uploaded by a fixed terminal, the tag information data are mapped after coding is carried out on the ultrahigh frequency radio frequency tag.
RFID has been widely used in various fields due to its characteristics of water resistance, magnetism resistance, high temperature resistance, etc., such as bus cards, second generation identity cards, dining cards, etc., and along with the continuous improvement of RFID technology and process, the identification distance is further and further, the communication frequency is higher and higher, the functions are more and more diverse, and the size is smaller and smaller. And the bus is used as high-power transmission and distribution equipment, a high Wen Gaoci environment can be generated nearby the bus in the power-on operation process, and the RFID product can be well adapted to the application scene. Because UHF RFID electronic identification label has the advantages of no need of power supply, batch reading, reading distance up to about ten meters, identity code read-write operation, service life up to over twenty years, low cost of single radio frequency label, and the like, the integrated temperature sensing chip has the characteristics of wide temperature measuring range (-40-150 ℃), high measuring precision (+/-1 ℃), low energy consumption, and can solve the related problems in the current bus temperature monitoring process.
In conclusion, the method greatly reduces the installation difficulty of the product, and only the UHF RFID electronic identification tag is required to be stuck on the corresponding monitoring position of the bus. The far-field elliptical polarized antenna adopted by the handheld terminal is an antenna which combines the characteristics of the linearization antenna and the circular polarized antenna together, so that the reading distance can be increased while the identification range is ensured; the positioning is carried out through a GPS/Beidou, base station and WIFI hybrid positioning mode, so that accurate positioning can be effectively guaranteed in a closed indoor environment, meanwhile, technologies such as WEBGL and the like are matched, bus product information is displayed on a display screen of a handheld terminal PAD device in a three-dimensional and dynamic mode, and inspection is facilitated; combining with the time division multiple access technology of UHF RFID electronic identification tags, only activating and reading corresponding UHF RFID electronic identification tag information in corresponding time, and effectively ensuring that information collision and information can not be read and can not be read by mistake under the condition of a plurality of UHF RFID electronic identification tags; through the bus scene simulation system installed on the handheld terminal, the trend and related information of the bus products are prompted in real time and realistically in the process of personnel inspection, and the inspected places are marked, if the condition of temperature overrun is found in the process of inspection, the PAD equipment of the handheld terminal can also carry out audible and visual alarm and record alarm information in the equipment.
Compared with the prior art, the scheme has the beneficial effects that: compared with the traditional bus temperature measurement product, the UHF RFID-based bus temperature monitoring system does not need to consider training, recording, joint debugging and joint testing processes, only simply informs an installer to paste the UHF radio frequency tag of the integrated temperature sensing chip to a designated position, does not need to record relevant information such as each installation position and the like, does not need to consider product fixing and numbering, and only needs to activate the product according to a formulated path in the follow-up process, thereby greatly reducing the product installation difficulty and greatly shortening the product installation time. Once the product is installed and activated, maintenance-free work of the product can be realized, and the product is wireless and passive, so that on one hand, the product works only in a period when the product is read, the service life of the product can be effectively prolonged, and on the other hand, the product cannot work because the product is not bound by a cable, and the cable cannot be damaged or a connecting line is touched. The ultrahigh frequency radio frequency tag of the integrated SOC temperature measurement chip is generally tens of yuan/piece, the handheld terminal equipment is generally 3-4 kiloyuan/piece, and only one handheld terminal needs to be configured for one item; the implementation cost of the project is obviously lower than that of the traditional temperature measurement product, and the cost advantage is more obvious when the project is larger in volume, and other peripheral communication modules or power supply devices which are not required by the RFID application are eliminated. And the bus duct temperature measurement product is combined with a real-time online monitoring background, the RFID fixed receiver is deployed nearby the RFID equipment, real-time information of bus duct operation is transmitted to a corresponding background system through the server, and the real-time temperature data of the bus are stored and analyzed, so that uninterrupted monitoring of the bus duct is realized, a supporting bus temperature measurement monitoring platform displays a monitoring result, a multipoint temperature remote real-time monitoring function is realized, the burden of bus duct operation and maintenance personnel is greatly reduced, and alarm information prompt and pushing to the personnel on duty can be automatically found after the cloud platform is accessed.
Drawings
FIG. 1 is a schematic diagram of a system architecture according to an embodiment of the present application;
FIG. 2 is a schematic flow chart of an embodiment of the method of the present application;
FIG. 3 is a functional block diagram of one embodiment of an UHF RF chip with an integrated temperature sensing chip;
FIG. 4 is a schematic diagram showing the structure of an embodiment of an UHF RF chip;
FIG. 5 is a schematic diagram illustrating the composition of a specific chip layer of an UHF RFID tag integrated with a temperature sensor chip;
FIG. 6 is a schematic diagram of a structure of an embodiment of a handheld terminal of a reader;
FIG. 7 is a schematic diagram of a functional interface of a handheld terminal bus scene simulation platform for temperature measurement, inspection and storage in one embodiment;
FIG. 8 is a schematic diagram of a functional interface for temperature monitoring in an embodiment of a server bus temperature monitoring platform;
FIG. 9 is a functional interface diagram of an embodiment of a server bus temperature monitoring platform for data management;
the system comprises a 1-ultrahigh frequency radio frequency tag, a 11-specific chip layer, a 111-SOC temperature measurement chip, a 112-antenna, a 113-automatic tuning module, a 12-back adhesive layer, a 13-release paper layer, a 2-reader-writer, a2 a-handheld terminal, a 2a 1-display screen, a 2-far-field elliptical polarized antenna, a2 b-fixed terminal, a 3-data communication terminal, a 4-server, a 41-bus temperature measurement monitoring platform, a 5-interaction terminal, a 51-monitoring computer, a 52-centralized control center, a 6-boundary controller, a 7-cloud server, 81-AR operation and maintenance, 82-mobile terminal, 83-PC terminal, 84-large screen, a 9-on-site display unit and 10-bus duct.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments.
The embodiment provides a technical scheme that: the utility model provides a bus temperature monitored control system based on UHF RFID, including integrated temperature sensing chip's hyperfrequency radio frequency tag 1, reader-writer 2, data communication terminal 3, server 4, reader-writer 2 includes handheld terminal 2a or/and fixed terminal 2b, reader-writer 2 receives the information of its radio frequency tag 1 in the coverage, fixed terminal 2b contains the radio frequency module that contains the relay amplifier, and the relay amplifier promotes the gain of its antenna on the basis of conforming to legal regulations, so as to promote as far as possible in its cost controllable scope and obtain bigger coverage, fixed terminal 2b is used for realizing on-line monitoring to the bus temperature, and the hyperfrequency radio frequency tag 1 information of the corresponding region of inquiry according to the time cycle of setting is passed back to server 4 through data communication terminal 3, still can integrate signal processing unit and gateway unit in the fixed terminal 2b, realize its equipment integration and modularization to various physical interface and the fixed terminal 2b of communication have the timing send electromagnetic wave signal activation range medium-frequency radio frequency tag 1 to can be followed to the information of reservation to the network signal of the corresponding system of network of the network of post-code of conversion requirement that can be followed to the information of the network system of following the reservation is transmitted.
The handheld terminal 2a is provided with a bus scene simulation platform for realizing offline monitoring on bus temperature, the bus scene simulation platform comprises on-site bus trend and distribution condition information, a path autonomous learning planning guide is utilized to prompt a patrol inspector to carry out temperature patrol inspection or write-in binding on the ultrahigh frequency radio frequency tag 1, the patrol inspection temperature data are temporarily stored, the handheld terminal 2a comprises a display screen 2a1, a radio frequency module and a hybrid positioning device, the display screen 2a1 is a display screen with a touch screen and is used for interaction between the bus scene simulation platform and the patrol inspector, the radio frequency module adopts a far-field elliptical polarized antenna 2a2, the hybrid positioning device uses GPS/Beidou+base station+WIF I to provide the current position of the handheld terminal for the bus scene simulation platform to confirm the actual position of the operated ultrahigh frequency tag 1, the ultrahigh frequency tag 1 comprises a specific chip layer 11, the top of the specific chip layer 11 is a backing layer 12, the bottom is a paper layer 13, the ultrahigh frequency tag 1 uses a release type 13 to be adhered to any position such as a key position, such as a pad 13, and a key position such as a bus position can be adhered to the key position, namely a position, such as a bus position, a position, and the key position, such as a position, can be adhered to the position, and the key position, and the position can be a position, such as a position, and the pad position, and the position can be a position, and the pad can have a position and a position. Since the repeater amplifier is already included in the stationary terminal 2b, although the read distance of the uhf tag 1 including the integrated temperature sensing chip is reduced, a passive normal tag commonly used in the market can be used with the aim of saving cost. Namely, the ultrahigh frequency radio frequency tag 1 comprising an integrated temperature sensing chip of the matched fixed terminal 2b can be a passive common tag, the ultrahigh frequency radio frequency tag 1 comprising an integrated temperature sensing chip of the matched handheld terminal 2a needs to use a specific chip layer 11, the specific chip layer 11 comprises an SOC temperature measuring chip 111, an antenna 112 and a UHF RFID module, wherein the SOC temperature measuring chip 111 comprises a control storage part at the rear end, the antenna 112 and the UHF RFID module comprise a front-end processing part, the antenna 112 uses an FPC flexible silver paste line and adopts an enlarged antenna specification to enhance the capability of transmitting and receiving data, when the tag enters an RF field, the antenna collects energy from the radio frequency field, the front-end processing part also comprises a power conversion part, the power conversion part converts an electromagnetic field into a direct current electric signal, the power conversion part supplies power for other modules of the chip, the power conversion part adopts a low-voltage difference linear voltage stabilizer such as an AMS1117, the UHF RFID module adopts passive chips such as a line chip, the IUES S chip can acquire energy through electromagnetic waves of UHF wave bands, and can also adopt intelligent digital capacitors and different digital circuits to meet the requirements of energy and dynamic energy; realizing the function of frequency offset adjustment and energy collection; meanwhile, higher reading sensitivity can be achieved by matching with a dipole antenna. The module comprises a digital baseband, an RF front end, an automatic tuning module 113 and a clock module, wherein the automatic tuning module 113 is used for automatically adjusting the input impedance of an antenna 112 port, and the clock module synchronizes corresponding models according to different RF signals so as to realize the clock synchronization of the RF front end processing and rear end control unit; enabling the back-end circuit when the energy is sufficient, and closing the back-end circuit when the energy is not available or the energy is insufficient; the control storage part at the rear end of the embodiment comprises a core control module and a data storage unit module besides an SOC temperature measurement chip, wherein the SOC temperature measurement chip adopts a band gap type digital temperature sensor, such as an SHT series digital temperature and humidity sensor of Cheng Sairui company, the temperature measurement part of the SOC temperature measurement chip can be clung to a temperature measurement area of a key part of the bus duct 10 through a back adhesive layer 12, the band gap type digital temperature sensor has high sensitivity, good linearity, small volume, low power consumption and easy integration, mu A-level low-voltage starting operation and mu W-level ultra-low power consumption can be realized, the core control module adopts an ultra-low power consumption 32-bit Arm Cortex microprocessor, such as STM32G0 series of ST company, and the data storage unit module adopts a nonvolatile ferroelectric memory, such as a Siplas FM25Vxx series or Fushitong related series memory. Some passive UHF RFID modules are internally provided with a nonvolatile memory and a temperature sensor, such as the module adopted by the embodiment, and can be used in the normal application field, but the embodiment does not use the internal nonvolatile memory and the temperature sensor, but uses the externally-hung band-gap type digital temperature sensor and ferroelectric memory, so that the requirements of higher tuning function and reading and writing are achieved, the radio frequency receiving distance is further prolonged, and the batch reading and writing and management of the RFID in the bus duct temperature measurement are further convenient.
The data communication terminal 3 is a combination device of an exchanger and a communication manager, the communication manager converts multiple paths of field signals into local area network signals, in the field deployment process, the data communication terminal 3 can be deployed in a communication box, the fixed terminal 2b is connected into the communication box, the placement positions of the fixed terminal 2b and the communication box are required to be adjusted according to the field condition, and the data communication terminal 3 uses a local area network to collect multiple paths of field data into the server 4.
The server 4 is provided with a bus temperature monitoring platform 41, the bus temperature monitoring platform 41 is used for receiving and managing received temperature inspection information, carrying out temperature display and recording, data comparison analysis and radio frequency tag management, sending out real-time alarm information for abnormal data, analyzing and displaying the data in the server, generating and checking the installation position of each monitoring point, bus equipment information, the latest temperature data, the temperature operation trend of each monitoring point and the like, judging according to set operation condition logic, and giving out real-time alarm for the abnormal data.
The data are gathered into the bus temperature measurement monitoring platform 41 through the local area network on site and stored into the configured corresponding database, and the data are analyzed and displayed uniformly by the bus temperature measurement monitoring platform.
The hand-held terminal 2a is provided with an anti-interference device, and the anti-interference device is used for preventing non-RFID wireless equipment from interfering with the identification of the ultra-high frequency radio frequency chip, or preventing other different labels and readers from interfering with the identification of the ultra-high frequency radio frequency chip, and the anti-interference device can use to increase the frequency interval between an RFID system and other equipment and adopts a collision avoidance algorithm, such as an ALOHA algorithm and the like, so as to reduce the influence of the same-frequency interference.
The handheld terminal 2a is also provided with an overrun audible and visual alarm device, the overrun audible and visual alarm device is used for carrying out audible and visual alarm on the condition that the temperature of a bus exceeds the limit, and the audible and visual alarm device can adopt a mode of combining a loudspeaker with the flashing of a diode indicator lamp to remind the staff of abnormal temperature.
If the cloud platform system needs to be accessed, the boundary controller 6 can be deployed at the background side, data in the local area network can be transmitted to the corresponding cloud server 7 through the boundary controller 6, the cloud server 7 can be a corresponding private cloud or public cloud, related data are queried and displayed by the APPs in the matched AR operation and maintenance 81, the mobile terminal 82, the PC terminal 83 and the large screen 84, the functions of the related data are matched with the functions in the bus temperature measurement monitoring platform 41 one by one, and if related alarm information is available, the related alarm information can be automatically pushed to the mobile phones of related personnel.
If the on-site display is needed, the on-site display unit 9 is deployed on site, relevant information is configured in the on-site display unit 9, the data can be collected into the human-machine interface device, namely the HMI device through the local area network and then displayed and alarmed, and five functions of real-time data query, historical data query, alarm summarization, communication setting and HMI setting are sequentially provided in the on-site display unit 9 in the embodiment.
Based on the same inventive concept, the embodiment further provides a technical scheme: a bus temperature monitoring method based on UHF RFID adopts the following steps:
s1, preparing an ultrahigh frequency radio frequency tag 1 of an integrated temperature sensing chip to be installed, wherein the ultrahigh frequency radio frequency tag 1 comprises an EPC code and a user-defined ID code;
s2, pasting the coded or uncoded ultrahigh frequency radio frequency tag 1 of the integrated temperature sensing chip on the key part of the bus duct 10 by using a release paper layer 13 according to whether the mounting is preformed, if the mounting is preformed, writing a user-defined ID code into the ultrahigh frequency radio frequency tag 1 by combining a bus design trend chart and a mounting construction chart in the bus production process, pasting the coded ultrahigh frequency radio frequency tag 1 on the key part of the bus duct in a one-to-one correspondence manner by combining the mounting construction chart, and carrying out tag inspection on the bus by a handheld terminal 2a according to a path; if the non-prefabricated type is installed, the uncoded ultrahigh frequency radio frequency tag 1 is directly stuck and installed on the key part of the bus duct 10 which needs to be subjected to temperature detection, different types of readers-writers 2 are arranged according to whether online monitoring is needed, and if only offline monitoring is needed, the tag inspection is also carried out on the bus duct 10 through the handheld terminal 2a according to a path;
s3, after carrying out tag inspection on the bus through the handheld terminal 2a according to the path, determining how to match the ultrahigh frequency radio frequency tag 1 with the point positions in the bus scene simulation platform in the handheld terminal 2a according to whether the ultrahigh frequency radio frequency tag 1 is coded, if the ultrahigh frequency radio frequency tag 1 is prefabricated and installed, only the ultrahigh frequency radio frequency tag 1 is required to be matched with the point positions in the handheld terminal 2a one by one in the tag inspection process, and the inspection personnel can finish the bus product radio frequency tag inspection process in a guiding prompt mode because the handheld terminal 2a integrates the on-site bus trend and distribution condition; if the ultrahigh frequency radio frequency tag 1 is not pre-installed and not encoded, the handheld terminal 2a is used for manually encoding the ultrahigh frequency radio frequency tag, the encoded information is matched with the point position in the handheld terminal 2a and then recorded in the handheld terminal 2a, namely, the handheld terminal 2a is used for inputting the user-defined ID codes of the radio frequency tag along the bus installation path, the radio frequency tag installation information and the bus design trend chart of the installation construction chart are updated according to the information in the handheld terminal 2a, and the handheld terminal 2a can bind the user-defined ID codes with the bus trend chart one by one. After the matching is completed, carrying out temperature inspection on the bus by using the handheld terminal 2a according to a set period;
if online monitoring is needed, arranging the data communication terminal 3 and the server 4 at a proper position, installing the bus temperature monitoring platform 41 on the server 4, firstly configuring system functions in the bus temperature monitoring platform 41 according to peripheral information to be connected for online monitoring, and then arranging the fixed terminal 2b containing a relay amplifier according to an installation construction diagram, namely arranging the fixed terminal 2b in a corresponding range to receive information of the ultrahigh frequency radio frequency tag 1 in the range, wherein the fixed terminal 2b is arranged near the bus duct 10 in a fixed mode to improve the coverage range;
s4, accessing the reader-writer 2 into a local area network where the server 4 is located: according to the requirement of building a local area network, accessing a gateway and a router used on site into the local area network, and simultaneously accessing a corresponding system background equipment server 4 into the local area network, so that the handheld terminal 2a can be accessed into the local area network through a connecting router or the fixed terminal 2b can be accessed into the local area network through a wired network.
S5, uploading tag information data to the bus temperature measurement monitoring platform 41 according to the types of different readers 2, configuring a database, mapping the tag information data to the database to be matched with bus design trend graph node information of the bus temperature measurement monitoring platform 41 one by one, setting relevant configuration information such as inspection period, WIF I network setting and the like on the handheld terminal 2a after the equipment is first inspected after the equipment is uploaded to the handheld terminal 2a, setting the relevant configuration information to be coded and mapped directly at corresponding options of the bus temperature measurement monitoring platform 41, and firstly coding the ultrahigh frequency radio frequency tag 1 and then uploading tag information data to be mapped if the equipment is uploaded to the fixed terminal 2 b.
According to the bus duct 10, a corresponding bus trend chart is generated at the actual installation position of the bus, meanwhile, node information to be monitored is uniformly stored into a database according to the data storage format requirement of the database, when the system is electrified for the first time, all the ultrahigh frequency radio frequency tags 1 of the site are activated through the fixed terminal 2b and then encoded, user-defined ID codes in all the ultrahigh frequency radio frequency tags 1 installed on the bus duct 10 are updated, so that the ultrahigh frequency radio frequency tags 1 of the site and the bus trend chart can be automatically matched one by one, human participation is reduced as much as possible, on one hand, the workload of manual input can be greatly reduced, and on the other hand, input errors caused by human operation can be effectively reduced.
After all the ultrahigh frequency radio frequency tags 1 are input on site, after the configuration of the bus temperature measurement monitoring platform 41 is completed, the running state of the bus duct 10 can be continuously checked on the monitoring computer 51, the centralized control center 52 or other terminals in real time, and the running state can be displayed on the corresponding display terminals in a mode that the bus duct 10 runs in an actual three-dimensional mode. In the corresponding interactive terminal 5, according to the authority set by the bus temperature monitoring platform 41, the device management function of the bus duct 10 can be provided, and related information such as the number of the bus ducts 10 can be added, deleted and updated according to the situation; the system also has a data management function, can inquire the historical data of the system operated according to a plurality of time axis intervals of day, month or user definition through each node, and can select different nodes to compare the historical operation data; the system also has the functions of reminding and pushing alarm events, and displays and pushes alarm information according to the alarm level. The temperature data of the bus running in real time are stored and analyzed through the server 4, and the monitoring result is displayed by the matched bus temperature measurement monitoring platform 41, so that the multi-point temperature remote real-time monitoring function is realized.
If the system is in an offline mode, when the handheld terminal 2a and the server 4 are in the same network, the system automatically uploads the inspection information to the bus temperature measurement monitoring system 41 each time, and when the set inspection period is reached, the handheld terminal 2a sends out an audible and visual alarm to remind inspection personnel to inspect the bus products; in the process of inspecting the bus products by the inspector, if the temperature rise of the bus exceeds the standard, the handheld terminal 2a can inform the inspector in an audible and visual alarm mode. If the network fails, a wired interface such as USB may be used to transfer the data to the bus temperature measurement monitoring system 41 of the server 4.
The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, who is within the scope of the present application, should make equivalent substitutions or modifications according to the technical scheme of the present application and the inventive concept thereof, and should be covered by the scope of the present application.
Claims (10)
1. The utility model provides a generating line temperature monitored control system based on UHF RFID which characterized in that: the system comprises an ultrahigh frequency radio frequency tag (1) integrating a temperature sensing chip, a reader-writer (2), a data communication terminal (3) and a server (4), wherein the reader-writer (2) comprises a handheld terminal (2 a) or/and a fixed terminal (2 b) installed near a bus duct (10), the fixed terminal (2 b) comprises a radio frequency module containing a relay amplifier, the fixed terminal (2 b) is used for realizing on-line monitoring on the bus temperature, ultrahigh frequency radio frequency tag (1) information of a corresponding area inquired according to a set time period is transmitted back to the server (4) through the data communication terminal (3), the handheld terminal (2 a) is provided with a bus scene simulation platform for realizing off-line monitoring on the bus temperature, the bus scene simulation platform comprises on-site bus trend and distribution situation information, and utilizes path autonomous learning planning to guide and prompt a patrol inspector to carry out temperature patrol or write-in binding on the ultrahigh frequency radio frequency tag (1) and temporarily store temperature data which are detected, the handheld terminal (2 a) comprises a display screen (2 a 1), a radio frequency positioning device and a mixed positioning device are used for providing the display screen (2 a) with the GPS (2 a) to the current position of the handheld terminal and the GPS system with the wireless sensor chip, the GPS system comprises the handheld terminal and the GPS system, the system is used for confirming the actual position of the operated ultrahigh frequency radio frequency tag (1), the ultrahigh frequency radio frequency tag (1) comprises a specific chip layer (11), the top of the specific chip layer (11) is a back adhesive layer (12), the bottom of the specific chip layer is a release paper layer (13), the ultrahigh frequency radio frequency tag (1) is adhered to the key part of a bus duct (10) by using the release paper layer (13), the data communication terminal (3) is used for converging multipath field data into a server (4), the server (4) is provided with a bus temperature monitoring platform (41), and the bus temperature monitoring platform (41) is used for receiving and managing received temperature inspection information, carrying out temperature display and recording, data comparison analysis and tag management and sending out real-time alarm information on abnormal data.
2. The UHF RFID-based bus temperature monitoring system of claim 1, wherein: the ultra-high frequency radio frequency tag (1) matched with the fixed terminal (2 b) is a passive common tag.
3. The UHF RFID-based bus temperature monitoring system of claim 1, wherein: the specific chip layer (11) of the ultra-high frequency radio frequency tag (1) matched with the handheld terminal (2 a) comprises an SOC temperature measuring chip (111), an antenna (112) and a UHF RFID module, wherein the SOC temperature measuring chip adopts a band gap type digital temperature sensor, the UHF RFID module comprises an automatic tuning module (113), and the automatic tuning module (113) is used for automatically adjusting the input impedance of a port of the antenna (112).
4. The UHF RFID-based bus temperature monitoring system of claim 1, wherein: the key part of the bus duct (10) is a bus bar connection part.
5. The UHF RFID-based bus temperature monitoring system of claim 1, wherein: the adhesive back glue used for the release paper layer (13) of the ultrahigh frequency radio frequency tag (1) is 3M metal glue.
6. The UHF RFID-based bus temperature monitoring system of claim 1, wherein: the handheld terminal (2 a) is provided with an anti-interference device, and the anti-interference device is used for preventing non-RFID wireless equipment or different labels and readers from interfering the identification of the ultra-high frequency radio frequency chip.
7. The UHF RFID-based bus temperature monitoring system of claim 1, wherein: the handheld terminal (2 a) is provided with an overrun audible and visual alarm device, and the overrun audible and visual alarm device is used for performing audible and visual alarm on the condition that the temperature of a bus exceeds the limit.
8. The UHF RFID-based bus temperature monitoring system of claim 1, wherein: the data communication terminal (3) is also connected with a boundary controller (6), the boundary controller (6) is connected with a cloud server (7) in a wired or wireless mode, the boundary controller (6) is used for preprocessing data sent to the cloud server (7), and the cloud server (7) is used for realizing the function of one-to-one matching with a bus temperature measurement monitoring platform (41).
9. The UHF RFID-based bus temperature monitoring system of claim 1, wherein: the data communication terminal (3) is also connected with an on-site display unit (9), and the on-site display unit (9) is used for gathering data into human-computer interface equipment on site for display and alarm.
10. A bus temperature monitoring method based on UHF RFID is characterized by comprising the following steps:
s1, preparing an ultrahigh frequency radio frequency tag (1) of an integrated temperature sensing chip to be installed;
s2, pasting the coded or uncoded ultrahigh frequency radio frequency tag (1) of the integrated temperature sensing chip on the key part of the bus duct (10) by using a release paper layer (13) according to whether the mounting is preformed, if the mounting is preformed, writing a user-defined ID code into the ultrahigh frequency radio frequency tag (1) by combining a bus design trend chart and a mounting construction chart in the bus production process, pasting the coded ultrahigh frequency radio frequency tag (1) on the key part of the bus duct (10) in a one-to-one correspondence manner by combining the mounting construction chart, and carrying out tag inspection on the bus through a handheld terminal (2 a) according to a path; if the non-prefabricated type is installed, the uncoded ultrahigh frequency radio frequency tag (1) is directly stuck and installed on the key part of the bus duct (10) which needs to be subjected to temperature detection, different types of readers (2) are arranged according to whether online monitoring is needed, and if only offline monitoring is needed, the tag inspection is also carried out on the bus duct (10) through the handheld terminal (2 a) according to a path;
s3, after carrying out tag inspection on the bus through the handheld terminal (2 a) according to the path, determining how to match the ultrahigh frequency radio frequency tag (1) with the point position in the bus scene simulation platform in the handheld terminal (2 a) according to whether the ultrahigh frequency radio frequency tag (1) is coded, if the ultrahigh frequency radio frequency tag (1) is prefabricated, only the ultrahigh frequency radio frequency tag (1) is required to be matched with the point position in the handheld terminal (2 a) in the tag inspection process, if the ultrahigh frequency radio frequency tag (1) is not prefabricated and is not coded, the handheld terminal (2 a) is used for manually coding the ultrahigh frequency radio frequency tag (1), the coding information is recorded in the handheld terminal (2 a) after being matched with the point position in the handheld terminal (2 a), and after the matching is completed, the handheld terminal (2 a) is used for carrying out temperature inspection on the bus according to a set inspection period;
if online monitoring is needed, firstly configuring system functions in a bus temperature measurement monitoring platform (41) according to peripheral information to be connected in the online monitoring, and then arranging a fixed terminal (2 b) containing a relay amplifier according to an installation construction diagram;
s4, accessing the reader-writer (2) into a local area network where the server (4) is located;
s5, uploading tag information data to a bus temperature measurement monitoring platform (41) according to the types of different readers/writers (2), configuring a database, mapping the tag information data to the database, wherein the tag information data are matched with bus design trend chart node information of the bus temperature measurement monitoring platform (41) one by one, if the tag information data are uploaded by a handheld terminal (2 a), the tag information data are set to be coded and mapped directly at corresponding options of the bus temperature measurement monitoring platform (41), and if the tag information data are uploaded by a fixed terminal (2 b), the ultrahigh frequency radio frequency tag (1) is coded and then the tag information data are mapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311112307.6A CN117213650A (en) | 2023-08-31 | 2023-08-31 | Bus temperature monitoring system and method based on UHF RFID |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311112307.6A CN117213650A (en) | 2023-08-31 | 2023-08-31 | Bus temperature monitoring system and method based on UHF RFID |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117213650A true CN117213650A (en) | 2023-12-12 |
Family
ID=89047224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311112307.6A Pending CN117213650A (en) | 2023-08-31 | 2023-08-31 | Bus temperature monitoring system and method based on UHF RFID |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117213650A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117990221A (en) * | 2024-04-07 | 2024-05-07 | 镇江西门子母线有限公司 | Automatic bus temperature measurement inspection method and system based on RFID |
-
2023
- 2023-08-31 CN CN202311112307.6A patent/CN117213650A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117990221A (en) * | 2024-04-07 | 2024-05-07 | 镇江西门子母线有限公司 | Automatic bus temperature measurement inspection method and system based on RFID |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103777174B (en) | Indoor positioning system based on active multifunctional RFID tags | |
| CN102238024A (en) | Radio frequency identification (RFID)-based intelligent network system | |
| CN107295457B (en) | Indoor distribution antenna feeder monitoring and positioning method and system | |
| CN202331552U (en) | Intelligent management system for safety instruments | |
| CN104569653B (en) | A kind of password card Auto-Test System | |
| CN108151817A (en) | NB-IoT Internet of Things water meter systems | |
| CN117213650A (en) | Bus temperature monitoring system and method based on UHF RFID | |
| CN103815675A (en) | Intelligent wine cabinet system and implement method thereof | |
| CN108806227A (en) | A kind of NB-IOT water meters and processing method | |
| CN111462349A (en) | IC card terminal of registering of intelligence temperature sensing | |
| CN104866949A (en) | RFID and GPS based nursing home intelligent management system | |
| CN106597419A (en) | Underground coal mine accurate positioning method without clock synchronization | |
| CN114125704A (en) | UWB-based ship cabin personnel positioning device and positioning method | |
| CN203943326U (en) | A kind of Intelligent wine cabinet system | |
| CN110675562A (en) | Open digital tool management system | |
| CN207676361U (en) | Animal tracking positioning system based on RFID | |
| CN105509908A (en) | Passive temperature test system for key point of primary equipment in substation | |
| CN106650851B (en) | Personnel intelligent management method and system, radio frequency card reader and radio frequency intelligent card | |
| CN210244400U (en) | Automatic reading device of passive self-generating instrument | |
| CN203193630U (en) | A concentrator combining power line communication and wireless communication | |
| CN204595921U (en) | Based on the substation transformer information management system of RFID | |
| CN203249699U (en) | Power network operation equipment temperature sensing system based on technology of Internet of Things | |
| CN107884653B (en) | Electricity inspection equipment for extensible module | |
| CN105784139B (en) | Substation's temperature monitoring system of high accuracy positioning identification | |
| CN212460560U (en) | Data transmission system based on GPRS (general packet radio service) land use after data collection change |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |