CN202362806U - Device information wireless tracking system - Google Patents
Device information wireless tracking system Download PDFInfo
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- CN202362806U CN202362806U CN2011204205479U CN201120420547U CN202362806U CN 202362806 U CN202362806 U CN 202362806U CN 2011204205479 U CN2011204205479 U CN 2011204205479U CN 201120420547 U CN201120420547 U CN 201120420547U CN 202362806 U CN202362806 U CN 202362806U
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Abstract
The utility model discloses a device information wireless tracking system, comprising an electronic label arranged on or nearby an inspected device, a hand-held reader-writer, used for reading/writing the information in the electronic label and sending the read information to a monitoring center for processing, and the monitoring center. The beneficial effects of the utility model are that: 1) any device does not need to be arranged on the inspected device and a power device, thereby reducing the system purchase and maintenance costs greatly; 2) the inspection quality of inspection personnel is guaranteed effectively, the safeties and reliabilities of the inspected device and the power device are improved, and the safety hidden troubles are eliminated; 3) by employing wireless network and RFID technologies, the informatization management of the power device inspection work is realized.
Description
Technical field
The utility model relates to a kind of facility information wireless tracking system.
Background technology
The power equipment cruising inspection system is an element task that effectively guarantees power equipment safety, raising power equipment reliability, guarantees the minimum failure rate of power equipment.At present, domestic what generally adopt is the working method of manual patrol, hand-made paper medium recording, and there are following three major issues in manual type:
1. patrol and examine not in place, omission, perhaps unpunctual;
2. manual making a report on patrolled and examined as a result low, easy the leakages item of efficient or made mistakes;
3. managerial personnel are difficult in time, understand line conditions accurately, all sidedly, are difficult to formulate best M R scheme.
Therefore, there are defectives such as human factor is many, handling cost is high, can't supervise the personnel's work of patrolling and examining, the patrol record level of informatization is low in existing mode.
The utility model content
The purpose of the utility model provides a kind of facility information wireless tracking system, and human factor is many, handling cost is high to exist in the solution prior art, can't supervise the personnel that patrol and examine works, patrols and examines defectives such as secretary's level of informatization is low.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of facility information wireless tracking system is characterized in that comprising: electronic tag is arranged on the equipment of being patrolled and examined or near the equipment; The hand-held read write line is used for the information in the read/write electronic tag, and the information that is read is delivered to Surveillance center handle; Surveillance center.
Further:
Said electronic tag adopts to have and receives and send the passive and wireless information chip of two kinds of functions; Two RF ports at this chip are formed balun jointly with electric capacity C232 and C242, inductance L 231 and L241; This chip different RF port translation is become single RF signal, and effect and the antenna through a LC wave filter reaches best impedance matching again; Wherein: a RF port connects inductance L 241 and capacitor C 242, the other end ground connection of inductance L 241 through capacitor C 241; Another RF port connects capacitor C 232 and inductance L 231, the other end ground connection of capacitor C 232 through capacitor C 231.
Said read write line comprises Card Reader IC, antenna, microcontroller; The model of Card Reader IC is selected MF RC500 for use; Wherein: for driven antenna, Card Reader IC provides the energy carrier wave through its port TX1 and TX2, modulates the signal that obtains sending according to the setting of register to sending data; The signal that antenna picks up is delivered to the RX pin of Card Reader IC through antenna-matching circuit; The inside receiver of Card Reader IC detects with demodulation and according to the setting of register signal and handles, and data send to parallel interface and read by microcontroller then.
Said Card Reader IC uses the input voltage of the VMID voltage of internal circuit generation as the RX pin, for stable reference voltage is provided, between VMID pin and ground, inserts an electric capacity, between pin VMID and RX, connects divider resistance of people.
Compared with prior art, the beneficial effect of the utility model is:
1. need any equipment be installed on equipment of patrolling and examining and power equipment, greatly reduce the buying and the maintenance cost of system.
2. guaranteed effectively that the personnel of patrolling and examining patrol and examine quality, improved the safe reliability of equipment and power equipment, eliminated safe hidden trouble.
3. adopt wireless network and RFID technology, the realization power equipment is patrolled and examined the information system management of work.
Description of drawings
Fig. 1 is system's composition diagram of the utility model;
Fig. 2 is the read write line hardware circuit diagram;
Fig. 3 is signal evaluation circuit figure;
Fig. 4 is the microcontroller peripheral circuit;
Fig. 5 is the electronic chip peripheral circuit;
Fig. 6 is provided with figure for page register;
Fig. 7 is provided with figure for transmit control register;
Fig. 8 allows register that figure is set for interrupting;
Fig. 9 is a software flow pattern;
Figure 10 is the system applies topological diagram.
Embodiment
The utility model relates to a kind of facility information wireless tracking system.
As shown in Figure 1, the facility information wireless tracking system comprises electronic tag, hand-held read write line, Surveillance center.Wherein:
Electronic tag is arranged on the equipment of being patrolled and examined or near the equipment.
The hand-held read write line is used for the information in the read/write electronic tag, and the information that is read is delivered to Surveillance center handle.
The reporting information that data management backstage main system in the Surveillance center receives and storage hand-held read write line sends, time, place, device type, discoverer that the information decomposition of receiving is out of order and takes place, and deposit these data messages in database server.
The hand-held read write line produces induction current through the radiofrequency signal of antenna transmission certain frequency when electronic tag gets into the emitting antenna perform region, electronic tag obtains energy and is activated; Electronic tag sends information such as self unique identifier through blocking built-in transmitting antenna; System's receiving antenna receives the carrier signal of sending from electronic tag, is sent to reader through the antenna adjustments device, and reader carries out the demodulation sign indicating number to the signal that receives, and delivers to the backstage main system then and carries out relevant treatment; Main system is made corresponding processing and control according to the legitimacy of this card of logical operation judgement to different settings, sends the action of command signal control executing mechanism.
Main system mainly contains blank operation, loads password, authentication password, Card Reader, writes the card and the outpost of the tax office the operation of electronic tag.
On operating process, can be divided into following several to the operation of electronic tag:
Reset request: when an electronic tag was within the working range of reading and writing device antenna, the Data Control module was accepted the steering order that main system transmits earlier, according to chip read write command and mapping ruler, sends radiofrequency signal by radio frequency control module to electronic tag.After the electronic tag response, send information such as identification code to read write line (radio-frequency module is sent into the Data Control module to information and decoded), the first step liaison that set up electronic tag and read write line this moment.If do not carry out the reset request operation, read write line will can not carry out other operation of electronic tag.
Anti-impact operations: if when having many electronic tags to be within the working range of reading and writing device antenna, read write line at first communicates with each electronic tag, obtains each electronic tag ID number.All have unique ID number because each opens electronic tag, so read write line guarantees once only to an electronic tag operation according to ID number of electronic tag.
The electronic tag selection operation: accomplished after above-mentioned two steps, main system is carried out selection operation through read write line to electronic tag through sending controling instruction.After the executable operations, the information on the return electron label is to main system.
Authentication operation: through above-mentioned three steps, when confirming to have selected a card, read write line must carry out authentication to the password that has been provided with on the electronic tag.If coupling just allows further read-write operation.
Read-write operation: to the operations such as reading and writing, increment, depreciation, storage and transmission of card.
The read write line hardware circuit principle is as shown in Figure 2.Read write line comprises Card Reader IC, antenna, microcontroller, and the model of Card Reader IC is selected MFRC500 for use.Wherein: for driven antenna, MFRC500 provides the energy carrier wave of 13.56MHz through TX1 and TX2.Setting according to register is modulated the signal that obtains sending to sending data.Electronic tag adopts the load-modulate of RF field to respond.The signal that antenna picks up is delivered to the RX pin through antenna-matching circuit.The inner receiver of MFRC500 detects with demodulation and according to the setting of register signal to be handled, and then data is sent to parallel interface and is read by microcontroller.
As shown in Figure 3.Card Reader IC uses the input voltage of the VMID voltage of internal circuit generation as the RX pin.For stable reference voltage is provided, between VMID pin and ground, should insert a capacitor C 22, between pin VMID and RX, need meet divider resistance R4 of people, in addition, between antenna and divider resistance, add the performance that a series of electric capacity of people also can improve circuit.
The parallel interface of MFRC500 and microcontroller.As shown in Figure 4, MFRC500 supports different microcontroller interfaces, and its automatic detection logic that carries is the parallel interface of adaptive system bus automatically.Use signal NCS to select chip, power on or hardware reset after, MFRC500 its parallel microcontroller interface pattern that also can reset, and check current microcontroller interface type is discerned microcontroller interface through the logic level of the back control pin that resets.Interface type is connected to confirm by one group of fixing pin.This paper has selected the interface type of multiplexing address line, i.e. address and data time-sharing multiplex Da--D7 totally 8 two-way data address bus.When ALE is high level, in the address latch that the address latch people of ADo-ADe is inner, accomplish read-write by the signal controlling on NRD and the NWR then to MFRC500.
In Fig. 5; Electronic tag adopts to have and receives and send the passive and wireless information chip (Mifare1 card) of two kinds of functions; Two RF ports at this chip are formed balun jointly with electric capacity C232 and C242, inductance L 231 and L241; This chip different RF port translation is become single RF signal, and effect and the antenna through a LC wave filter reaches best impedance matching again.Wherein: a RF port connects inductance L 241 and capacitor C 242, the other end ground connection of inductance L 241 through capacitor C 241; Another RF port connects capacitor C 232 and inductance L 231, the other end ground connection of capacitor C 232 through capacitor C 231.
Biasing resistor R271 is used to be provided with an accurate bias current; Moving back lotus root capacitor C 301 is used to provide the pcb board accurate power to supply with; C171, C181 and C201, C211 are respectively the load capacitance of crystal X2 and X1.
Receive and send two kinds of functions because this chip has, used, also can work as the read write line master chip and use so it both can make electronic tag.
The read write line software system design.The control program of single-chip microcomputer mainly is that MFRC500 is carried out initialization; To IC-card reading and writing, password authentification, operation such as wipe; With MFRC500 communication disruption processing etc.Below main the introduction use single-chip microcomputer that MFRC500 is carried out initialization, promptly to the operation of critical registers.
The setting of critical registers
In order to make read write line ability operate as normal; Accomplish basic data transmission, receiving function, the register that need relate to has: page register, command register, transmit control register, FlFO data register, interruption allow register, InteruptR register etc.The 7th IFDetectBusy of command register is interface type detected state sign, is that 0 o'clock sign interface type detects completion.Fifo data register is data input and the output port in the inner 64 byte fifo buffers.Input is accomplished conversion in fifo buffer, input and output can walk abreast.The IntetruptR register is the interrupt request flag register.When central stopping pregnancy two is given birth to, need judge the type of interruption by the correlating markings position of this register.Below be the detailed introduction and the setting of page register, transmit control register, interruption permission register.
Page register
MFRC500 has 64 registers, and 8 registers are one page, and first register of every page is a page register, and it is provided with as shown in Figure 6.Its address is respectively 0x00, and 0 ", 0x10,0x18,0x20,0x28,0x30,0x38o, its initial value is 10000000,0x80.Page register is used for the mask register page or leaf, through the addressing mode that can confirm register in this page that is provided with to this register.
With Use PageSelect position 1, then can be to the register addressing in this page, the content of PageSelect is as A5, A4, the A3 of register address, and these 3 can addressing 8 pages, and every page has 7 registers, can be selected by A2, A1, Ao.This position 0, then register address is decided by the full content of home address latch.What this paper used the addressing of register is the specific address of the register that provides of MFRC500 handbook, so this position of the page register of each page puts 0 without exception.
Transmit control register
Transmit control register, it is provided with as shown in Figure 7.Two sky wire pin TX1 of control MF RC500 go up the kind of exporting signal with TX2, and its address is 0x11, and initial value is 01011000,0x58.
With TX2CW position 0, the output signal is the modulated carrier of 13.56MHz on the TX2 pin.TX2RFEn is put 1, and the output modulation has the 13.56MHZ carrier wave that transmits data on the TX2 pin.With TX1RFEn position 1, the output modulation has the 13.56MHz carrier wave that transmits data on the TX1 pin.
Interrupt allowing register
MFRC500 has timer and interrupts, sends 6 interrupt sources such as interrupting, receive interruption, idle interruption.Through allowing being provided with of register can enable interrupt request to interrupting.SetIEn allows the position for interrupting, and during with this position 1, other interrupt control position is effective in this register.TimerlEn, TxIEn, Rx lEn are respectively timer and interrupt allowing, send and interrupt allowing and receive interrupting allowing control bit, and be as shown in Figure 8.Interrupting allowing the address of register is 0x06, and initial value is 00000000,0x000.
According to above operation registers, the flow process that can draw Design of System Software is as shown in Figure 9.According to this flow process, read write line can be accomplished the once basic read-write operation to electronic tag.
On the basis of accomplishing read-write operation; System software is enriched and replenishes; Can make in the electronic tag of read write line in all are in the antenna field scope,, obtain the wherein sequence number of an electronic tag through the anti-collision circulation; Select this label to verify, storer is operated through the back.Ask during typical the operation and be no more than 100ms.
The utility model can be applicable in the system shown in Figure 10.Introduce the workflow of power equipment wireless tracking system below in conjunction with Figure 10.
When the personnel that patrol and examine go out to patrol and examine outside; Through the hand-held terminal of patrolling and examining of intelligence; Automatically (every at a distance from 2 minutes, can be provided with at interval) or manually to information of system gateway transmission reports information such as the current position of patrolling and examining personnel, time; If find fault, then fault type, device numbering and combine that current intelligence is hand-held patrols and examines the staff that the terminal sends to information Surveillance center.
The staff of Surveillance center receives reporting information and stores.System accepts the information that gateway receives to information and reads through application server; Decomposite time, place, device type, discoverer that fault takes place; And deposit these data messages in database server automatically, and simultaneously through switcher firewall in transmission over networks and issue.
The monitor terminal staff shows the state of patrolling and examining in real time by network system on software; As show the trouble spot that each personnel that patrol and examine find, the emergency condition of all kinds of faults, disposition; Current state is is respectively patrolled and examined personnel position at a time and is patrolled and examined route.
Power equipment posts electronic tag, sees through globally unique ID identifier, and the personnel of patrolling and examining must can be patrolled and examined the actual arrival position really thereby retrain the staff to obtain electronic tag ID identification code to the scene in person.Simultaneously, also that GPS is mutually integrated with Embedded GIS, guarantee the arrival rate that shaft tower is patrolled and examined according to the gps signal that receives, stop omission, inspection not in place.
System can also add up, gather, analyze all kinds of historical datas that leave in the database; Form with all kinds of charts or form shows the frequency and generation object that certain fault takes place in certain period, supply the staff, the leader; Relevant departments strengthen management through forecast analysis and formulate counter-measure; Reach the purpose of Prior Control,, guarantee big the carrying out smoothly of producing of safety to reduce accident rate.
Power equipment hand held equipment terminal cruising inspection system needs and characteristics to patrolling and examining reality of work; Have functions such as route arrangement, data recording, duty supervision, data sink general report; And can with the seamless link of existing information system of power equipment enterprise; Effectively understand, duty is patrolled and examined in inspection, the defect situation of equipment in the discovery shop timely, promotes power equipment, the security of power equipment equipment operation, reduces production and operation cost, increases work efficiency, and has low cost; Light easy to operate, the equipment long remarkable advantage that waits service time.
Owing to adopted this system; Electric power apparatus examination department has realized with no paper data acquisition in the work of patrolling and examining; Make equipment and power equipment administrative authority effective supervision patrol and examine personnel's working condition simultaneously, realize patrolling and examining work electronization, informationization, intellectuality, thereby at utmost increase work efficiency; Guaranteed the less trouble safe operation of power equipment, power equipment equipment, the science and technology that the promotes power equipment enterprise work that achieves the first class.
This power equipment wireless tracking system has following characteristics.
Simple in structure, to debug easy for installationly, the scope of patrolling and examining is wide, and adaptability is strong;
Can long-distance transmissions information, can carry out remote control, team control, make system really realize robotization, intellectuality, and can with computer networking, analysis automatically, calculating and print data record and form;
High reliability, working temperature-40 ℃～85 ℃, waterproof, protecting against shock; Be adapted to various severe environment applications such as wind, snow, rain, mist;
High anti-interference: few to the various interference source specific (special) requirements in scene, easy for installation simple;
The ultrahigh frequency frequency range that the whole world is open need not be applied for and pay;
Super low-power consumption: to human body safety, more healthy;
Full automation (personnel that need not intervene) is gathered, and guarantees the accuracy of raw data acquisition;
Data security is strong in the chip, and electronic tag can't be forged or duplicate, and has fundamentally eliminated and has duplicated, forges.
The above only is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement, these improve the protection domain that also should be regarded as the utility model.
Claims (4)
1. facility information wireless tracking system is characterized in that comprising:
Electronic tag is arranged on the equipment of being patrolled and examined or near the equipment;
The hand-held read write line is used for the information in the read/write electronic tag, and the information that is read is delivered to Surveillance center handle;
Surveillance center.
2. facility information wireless tracking system as claimed in claim 1 is characterized in that:
Said electronic tag adopts to have and receives and send the passive and wireless information chip of two kinds of functions; Two RF ports at this chip are formed balun jointly with electric capacity C232 and C242, inductance L 231 and L241; This chip different RF port translation is become single RF signal, and effect and the antenna through a LC wave filter reaches best impedance matching again; Wherein: a RF port connects inductance L 241 and capacitor C 242, the other end ground connection of inductance L 241 through capacitor C 241; Another RF port connects capacitor C 232 and inductance L 231, the other end ground connection of capacitor C 232 through capacitor C 231.
3. facility information wireless tracking system as claimed in claim 1 is characterized in that:
Said read write line comprises Card Reader IC, antenna, microcontroller, and the model of Card Reader IC is selected MF RC500 for use, wherein:
For driven antenna, Card Reader IC provides the energy carrier wave through its port TX1 and TX2, modulates the signal that obtains sending according to the setting of register to sending data;
The signal that antenna picks up is delivered to the RX pin of Card Reader IC through antenna-matching circuit;
The inside receiver of Card Reader IC detects with demodulation and according to the setting of register signal and handles, and data send to parallel interface and read by microcontroller then.
4. facility information wireless tracking system as claimed in claim 3 is characterized in that:
Said Card Reader IC uses the input voltage of the VMID voltage of internal circuit generation as the RX pin, for stable reference voltage is provided, between VMID pin and ground, inserts an electric capacity, between pin VMID and RX, inserts a divider resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204205479U CN202362806U (en) | 2011-10-28 | 2011-10-28 | Device information wireless tracking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204205479U CN202362806U (en) | 2011-10-28 | 2011-10-28 | Device information wireless tracking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202362806U true CN202362806U (en) | 2012-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204205479U Expired - Fee Related CN202362806U (en) | 2011-10-28 | 2011-10-28 | Device information wireless tracking system |
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| Country | Link |
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| CN (1) | CN202362806U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955926A (en) * | 2012-11-19 | 2013-03-06 | 余姚市供电局 | Electric power asset routing inspection system and routing inspection method thereof |
| CN105139472A (en) * | 2015-09-24 | 2015-12-09 | 北京芯联创展电子技术有限公司 | Inspection management system based on RFID and management method |
| CN116456282A (en) * | 2023-05-31 | 2023-07-18 | 深圳市明泰智能技术有限公司 | Equipment tracking method and system based on short-distance wireless communication |
-
2011
- 2011-10-28 CN CN2011204205479U patent/CN202362806U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955926A (en) * | 2012-11-19 | 2013-03-06 | 余姚市供电局 | Electric power asset routing inspection system and routing inspection method thereof |
| CN105139472A (en) * | 2015-09-24 | 2015-12-09 | 北京芯联创展电子技术有限公司 | Inspection management system based on RFID and management method |
| CN116456282A (en) * | 2023-05-31 | 2023-07-18 | 深圳市明泰智能技术有限公司 | Equipment tracking method and system based on short-distance wireless communication |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120801 Termination date: 20131028 |