CN109919260B - Meter management and control system and method - Google Patents
Meter management and control system and method Download PDFInfo
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- CN109919260B CN109919260B CN201811646421.6A CN201811646421A CN109919260B CN 109919260 B CN109919260 B CN 109919260B CN 201811646421 A CN201811646421 A CN 201811646421A CN 109919260 B CN109919260 B CN 109919260B
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000007726 management method Methods 0.000 claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 3
- 239000000523 sample Substances 0.000 claims description 28
- 230000002457 bidirectional effect Effects 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 2
- 210000002489 tectorial membrane Anatomy 0.000 claims 1
- 239000010410 layer Substances 0.000 description 34
- 239000000758 substrate Substances 0.000 description 28
- 238000005259 measurement Methods 0.000 description 6
- 239000012790 adhesive layer Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000000739 chaotic effect Effects 0.000 description 2
- 239000007888 film coating Substances 0.000 description 2
- 238000009501 film coating Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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Abstract
The invention relates to a meter management and control system and a meter management and control method, wherein the meter management and control system comprises an electronic tag, a reading terminal, a server and an encryption unit, the electronic tag is arranged on a meter, the reading terminal is connected with the server through a network, the encryption unit is connected with the server, the electronic tag is a torn self-destruction tag, and the reading terminal is provided with a card reading adjusting mechanism. The management and control method based on the system comprises a measuring instrument patrol detection method and a measuring instrument management method. The invention has the advantages that: the tearing of the self-destruction label can ensure the unique corresponding relation between the metering device and the electronic label, and avoid the inconsistency between the information carried by the label and the actual condition of the recording device; the radio frequency signal limiting frame is arranged, the propagation direction of the radio frequency signal can be limited in a physical mode, and the reading terminal can only read the tags in the limited direction.
Description
Technical Field
The invention relates to the field of equipment management, in particular to a meter management and control system and a meter management and control method.
Background
The metering device plays an extremely important role in the management of electricity in a distribution network, the variety is various, the base number is relatively large, and a great deal of effort needs to be invested in borrowing and returning records of the metering device or daily routing inspection of the metering device. It is extremely difficult for the corresponding management personnel to complete daily management and control of the recording device without carelessness.
Disclosure of Invention
The invention mainly solves the problem of difficult management and control of the metering device, and provides a metering device management and control system and a method which are convenient to operate and manage.
The technical scheme adopted by the invention for solving the technical problems is as follows: a meter management and control system comprises an electronic tag, a reading terminal, a server and an encryption unit, wherein the electronic tag is arranged on a meter, the reading terminal is connected with the server through a network, the encryption unit is connected with the server, the electronic tag is a torn self-destruction tag, and the reading terminal is provided with a card reading adjusting mechanism. The reading terminal obtains the identity serial number of the electronic tag and transmits the identity serial number to the encryption unit through the server. The encryption unit still obtains the public key from the server, the encryption unit generates the private key according to public key and electronic tags, the server storage has the state information of each measurement utensil, the measurement utensil management and control of being convenient for, tear down the unique corresponding relation that self-destruction label can ensure label and measurement utensil, avoid maliciously changing the label and lead to the chaotic condition of measurement utensil management to take place, read the range of the radio frequency signal that reading terminal sensing probe sent can be adjusted through the physical means to card adjustment mechanism, improve the accuracy that singly reads the label.
As an optimal scheme of the above scheme, the torn self-destruction label is composed of a substrate layer, an antenna layer, an INLAY layer, an adhesive layer, a surface material layer and a film coating layer from bottom to top in sequence, the antenna layer is connected with an RFID chip, the RFID chip is arranged between the antenna layer and the INLAY layer, and a plurality of correspondingly arranged notch grooves are formed in the upper surface and the lower surface of the antenna layer. The breach groove does not influence the normal work on antenna layer, but can make antenna layer break off at breach groove setting department and make electronic tags scrap when electronic tags is torn, reachs and tears invalid purpose, can ensure the only corresponding relation of label and measurement utensil, the measurement utensil management and control of being convenient for.
In a preferred embodiment of the above aspect, the substrate layer includes a soft substrate and a hard substrate, the soft substrate and the hard substrate are alternately disposed, and the soft substrate is disposed at a position corresponding to the notch groove on the antenna layer. When the label is torn off, the hard substrate is not easy to bend compared with the soft substrate, so that the bending part is inevitably located in the area where the soft substrate is located, and the position of the soft substrate corresponds to the position of the notch groove, so that the notch groove is easier to send out the fracture.
As a preferable scheme of the above scheme, the card reading adjusting mechanism includes a reading terminal sensing probe and a radio frequency signal limiting frame, the radio frequency signal limiting frame is a cylindrical object with openings at two ends, the reading terminal sensing probe is arranged in the radio frequency signal limiting frame, and displacement threads are arranged on the inner wall of the radio frequency signal limiting frame and the outer side of the reading terminal sensing probe. The radio frequency signal limiting frame is made of metal materials and can limit the propagation direction of radio frequency signals, and the radio frequency signal limiting frame can be screwed in or out on the sensing probe of the reading terminal by means of displacement threads.
The invention also provides a metering device management and control method, which comprises a metering device polling method and a metering device management method by adopting the system, wherein the metering device management method comprises the following steps:
s1: screwing out the radio frequency signal limiting frame, and aligning the sensing probe of the reading terminal to the electronic tag;
s2: the reading terminal and the electronic tag perform bidirectional identification;
s3: the reading terminal reads the state of the measuring instrument in the electronic tag and compares the state with the information in the server, and if the information is matched, the next step is carried out; if the information is not matched, prompting;
s4: and the reading terminal updates the state of the measuring instrument and updates data in the server.
The screwing-out radio frequency signal limiting frame can limit the radio frequency signals sent by the sensing probe of the reading terminal in the front of the sensing probe, so that the electronic tag in the front of the sensing probe is guaranteed to be read, and the situation that a plurality of electronic tags are read and written simultaneously to cause the same information of the plurality of tags is avoided.
As a preferable aspect of the foregoing, the method for inspecting a recording instrument includes the steps of:
s11: screwing in the radio frequency signal limiting frame, and enabling the reading terminal sensing probe to be close to the electronic tag;
s12: the reading terminal carries out bidirectional identification with a plurality of electronic tags in an identification range;
s13: the reading terminal reads the states of the measuring instruments in the plurality of electronic tags and compares the states with the information in the server, and if the states are matched, the next step is carried out; if the information is not matched, prompting;
s14: repeating the steps S11-S13 until all electronic tags are traversed;
s15: inquiring whether a server has a measuring instrument state record which is not matched, if so, indicating that the measuring instrument is lost or the electronic tag is damaged; if not, the metering device is stored normally.
The radio frequency signal limiting frame is selected, so that the radio frequency signal sent by the sensing probe of the reading terminal is not limited, the reading terminal can read a plurality of electronic tags, all the electronic tags can be conveniently traversed, and the inspection efficiency of the metering device is improved.
As a preferable solution of the above solution, the bidirectional identification is SM7 cryptographic algorithm.
In a preferred embodiment of the present invention, the measuring instrument status includes status information, status change time, and an operator.
The invention has the advantages that: the tearing of the self-destruction label can ensure the unique corresponding relation between the metering device and the electronic label, and avoid the inconsistency between the information carried by the label and the actual condition of the recording device; the radio frequency signal limiting frame is arranged, the propagation direction of the radio frequency signal can be limited in a physical mode, and the reading terminal can only read the tags in the limited direction.
Drawings
FIG. 1 is a block diagram of an embodiment of the present invention.
Fig. 2 is a schematic sectional view of a self-destruction label being torn off.
Fig. 3 is a schematic cross-sectional view of an antenna layer and a substrate layer of a torn-off self-destructive label.
FIG. 4 is a schematic cross-sectional view of a card reading adjustment mechanism.
Fig. 5 is a flowchart illustrating a method for managing a metering device.
Fig. 6 is a schematic flow chart of a gauge patrol detection method.
The method comprises the steps of 1-electronic tag 2-reading terminal 3-server 4-encryption unit 5-thin film layer 6-surface material layer 7-non-drying glue layer 8-INLAY layer 9-antenna layer 10-substrate layer 11-RFID chip 12-gap groove 13-soft substrate 14-hard substrate 15-radio frequency signal limiting frame 16-displacement screw thread 17-reading terminal sensing probe.
Detailed Description
The technical solution of the present invention is further described below by way of examples with reference to the accompanying drawings.
Example (b):
a meter utensil management and control system of this embodiment, as shown in fig. 1, includes electronic tags 1, reading terminal 2, server 3 and encryption unit 4, the electronic tags locates on the meter utensil, reading terminal passes through the network and links to each other with the server, the encryption unit links to each other with the server, the electronic tags is for tearing off self-destruction label, reading terminal is equipped with reads card adjustment mechanism.
As shown in fig. 2, the torn self-destruction label is composed of a substrate layer 10, an antenna layer 9, an INLAY layer 8, an adhesive layer 7, a surface material layer 6 and a film coating layer 5 from bottom to top in sequence, the antenna layer is connected with an RFID chip 11, the RFID chip is arranged between the antenna layer and the INLAY layer, and a plurality of correspondingly arranged notch grooves 12 are arranged on the upper surface and the lower surface of the antenna layer.
As shown in fig. 3, the substrate layer includes a soft substrate 13 and a hard substrate 14, the soft substrate and the hard substrate are alternately disposed, and the soft substrate is disposed at a position corresponding to the notch groove on the antenna layer. The soft base plate adopts the paper substrate, the stereoplasm base plate adopts ceramic substrate, when electronic tags is being torn, ceramic substrate is harder, be difficult for buckling, so paper substrate department can begin earlier to buckle, when paper substrate buckles, the position that the antenna layer is located paper substrate top also can buckle thereupon, because the existence in breach groove, the antenna layer can break off, make electronic tags unable work, can guarantee electronic tags and measuring apparatus's unique corresponding relation, prevent that electronic tags from leading to the chaotic condition of measuring apparatus management to take place on the different measuring apparatus of malicious exchange.
As shown in fig. 4, the card reading adjusting mechanism includes a reading terminal sensing probe 17 and a radio frequency signal limiting frame 15, the radio frequency signal limiting frame is a cylindrical object with openings at two ends, the reading terminal sensing probe is arranged in the radio frequency signal limiting frame, and displacement threads 16 are arranged on the inner wall of the radio frequency signal limiting frame and the outer side of the reading terminal sensing probe. The radio frequency signal limiting frame can extend out or retract through rotation, when the radio frequency signal limiting frame extends out, the strength of a radio frequency signal in front of a sensing probe of the reading terminal is highest when the reading terminal works, the strength of radio frequency signals in other directions is lower, the reading terminal can only read an electronic tag in front of the sensing probe of the reading terminal, and the electronic tags in other directions cannot be connected with the reading terminal due to too low strength of the received radio frequency signal; when the radio frequency signal limiting frame retracts, the radio frequency signals which are sensed by the reading terminal and removed by the probe head are not limited, the radio frequency signals are uniformly distributed, and the reading terminal can read a plurality of electronic tags in a certain range.
Correspondingly, the present embodiment proposes a meter management and control method, including a meter polling method and a meter management method, where the meter management method, as shown in fig. 5, includes the steps of:
s1: screwing out the radio frequency signal limiting frame, and aligning the sensing probe of the reading terminal to the electronic tag;
s2: bidirectional identification is carried out between the reading terminal and the electronic tag through SM7 national cryptographic algorithm;
s3: the reading terminal reads the state of the measuring instrument in the electronic tag and compares the state with the information in the server, and if the information is matched, the next step is carried out; if the information is not matched, prompting;
s4: and the reading terminal updates the state of the measuring instrument and updates data in the server.
The method is used for borrowing and returning the measuring instruments and overhauling operation, can master the dynamic state of the measuring instruments, and is convenient for managing and backtracking the measuring instruments.
The inspection method of the recording instrument, as shown in fig. 6, comprises the following steps:
s11: screwing in the radio frequency signal limiting frame, and enabling the reading terminal sensing probe to be close to the electronic tag;
s12: the reading terminal and a plurality of electronic tags in the identification range are identified bidirectionally through SM7 cryptographic algorithm;
s13: the reading terminal reads the states of the measuring instruments in the plurality of electronic tags and compares the states with the information in the server, and if the states are matched, the next step is carried out; if the information is not matched, prompting;
s14: repeating the steps S11-S13 until all electronic tags are traversed;
s15: inquiring whether a server has a measuring instrument state record which is not matched, if so, indicating that the measuring instrument is lost or the electronic tag is damaged; if not, the metering device is stored normally.
The method is used for the inspection of the measuring instruments, whether all the measuring instruments are in the warehouse or not is judged by detecting whether the electronic tags are identified, the inspection is convenient, and the required manpower investment is small.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (7)
1. The meter management and control system is characterized by comprising an electronic tag (1), a reading terminal (2), a server (3) and an encryption unit (4), wherein the electronic tag is arranged on a meter, the reading terminal is connected with the server through a network, the encryption unit is connected with the server, the electronic tag is a torn self-destruction tag, and the reading terminal is provided with a card reading adjusting mechanism;
the card reading adjusting mechanism comprises a reading terminal sensing probe (17) and a radio frequency signal limiting frame (15), the radio frequency signal limiting frame is a cylindrical object with openings at two ends, the reading terminal sensing probe is arranged in the radio frequency signal limiting frame, displacement threads (16) are arranged on the inner wall of the radio frequency signal limiting frame and the outer side of the reading terminal sensing probe, the radio frequency signal limiting frame can extend out or retract through rotation, when the radio frequency signal limiting frame extends out, the radio frequency signal strength in front of the reading terminal sensing probe is highest, the radio frequency signal strength in other directions is smaller, the reading terminal can only read the electronic tag in front of the reading terminal sensing probe, and the electronic tags in other directions cannot be connected with the reading terminal due to too low received radio frequency signal strength; when the radio frequency signal limiting frame retracts, the radio frequency signals which are sensed by the reading terminal and removed by the probe head are not limited, the radio frequency signals are uniformly distributed, and the reading terminal can read a plurality of electronic tags in a certain range.
2. The meter management and control system of claim 1, wherein: tear self-destruction label by from last be base plate layer (10), antenna layer (9), INLAY layer (8), not dry glue film (7), surface material layer (6) and tectorial membrane layer (5) in proper order down, antenna layer links to each other with RFID chip (11), the RFID chip is located between antenna layer and the INLAY layer, the antenna layer is equipped with breach groove (12) that a plurality of correspondences set up on both sides from top to bottom.
3. The meter management and control system according to claim 2, wherein: the base plate layer include soft base plate (13) and stereoplasm base plate (14), soft base plate and stereoplasm base plate alternate the setting, soft base plate setting position corresponds with the breach groove on the antenna layer.
4. A meter management method using the system of any one of claims 1 to 3, characterized in that: the method comprises a measuring instrument patrol detection method and a measuring instrument management method, wherein the measuring instrument management method comprises the following steps:
s1: screwing out the radio frequency signal limiting frame, and aligning the sensing probe of the reading terminal to the electronic tag;
s2: the reading terminal and the electronic tag perform bidirectional identification;
s3: the reading terminal reads the state of the measuring instrument in the electronic tag and compares the state with the information in the server, and if the information is matched, the next step is carried out; if the information is not matched, prompting;
s4: and the reading terminal updates the state of the measuring instrument and updates data in the server.
5. The method as claimed in claim 4, wherein the method comprises: the meter inspection method comprises the following steps:
s11: screwing in the radio frequency signal limiting frame, and enabling the reading terminal sensing probe to be close to the electronic tag;
s12: the reading terminal carries out bidirectional identification with a plurality of electronic tags in an identification range;
s13: the reading terminal reads the states of the measuring instruments in the plurality of electronic tags and compares the states with the information in the server, and if the states are matched, the next step is carried out; if the information is not matched, prompting;
s14: repeating the steps S11-S13 until all electronic tags are traversed;
s15: inquiring whether a server has a measuring instrument state record which is not matched, if so, indicating that the measuring instrument is lost or the electronic tag is damaged; if not, the metering device is stored normally.
6. The gauge control method according to claim 4 or 5, wherein: the two-way identification is SM7 cryptographic algorithm.
7. The gauge control method according to claim 4 or 5, wherein: the measuring instrument state comprises state information, state change time and an operator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811646421.6A CN109919260B (en) | 2018-12-30 | 2018-12-30 | Meter management and control system and method |
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| CN201811646421.6A CN109919260B (en) | 2018-12-30 | 2018-12-30 | Meter management and control system and method |
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| CN109919260A CN109919260A (en) | 2019-06-21 |
| CN109919260B true CN109919260B (en) | 2022-03-22 |
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1716696A (en) * | 2004-07-01 | 2006-01-04 | 欧姆龙株式会社 | Antenna, apparatus, system, scanning adjusting method for tag communication and programme |
| JP2008003007A (en) * | 2006-06-23 | 2008-01-10 | Fujitsu Ltd | Method and device of recognizing individual, method of regulating individual recognition range, and program |
| CN101179158A (en) * | 2006-11-10 | 2008-05-14 | 株式会社日立制作所 | RFID tag read system and method of reading RFID tag |
| CN101228533A (en) * | 2005-07-19 | 2008-07-23 | 3M创新有限公司 | Solenoid antenna |
| CN101861605A (en) * | 2007-11-14 | 2010-10-13 | 传感电子有限责任公司 | Combination EAS and RFID label or tag with controllable read range using a hybrid RFID antenna |
| CN202205216U (en) * | 2011-07-28 | 2012-04-25 | 深圳市远望谷信息技术股份有限公司 | Reel label tagging machine |
| CN203192045U (en) * | 2013-01-08 | 2013-09-11 | 江苏海事职业技术学院 | Radio frequency identification (RFID) attendance management device |
| CN203217587U (en) * | 2013-03-29 | 2013-09-25 | 上海耀莱防伪科技有限公司 | Low-frequency bottle-class RFID reader apparatus |
| CN104966111A (en) * | 2015-06-04 | 2015-10-07 | 中国电力科学研究院 | Low-voltage transformer security system and method based on radio frequency encryption technology |
| CN204856543U (en) * | 2015-07-20 | 2015-12-09 | 上海博应信息技术有限公司 | Controllable readwrite device of RFID electronic tags |
| CN106845299A (en) * | 2016-12-14 | 2017-06-13 | 河南三木实业集团有限公司 | Telescopic electronics distinguishes bar |
| CN107103354A (en) * | 2017-06-21 | 2017-08-29 | 上海博感电子科技有限公司 | A kind of frangible label of anti-alice and preparation method thereof |
| CN107313296A (en) * | 2017-06-09 | 2017-11-03 | 中山金利宝胶粘制品有限公司 | A kind of corrosion-and high-temp-resistant paper, preparation method and its RFID antenna of application |
| CN208126421U (en) * | 2018-04-25 | 2018-11-20 | 大庆市嘉华科技有限公司 | Orientation reads equipment and its system |
-
2018
- 2018-12-30 CN CN201811646421.6A patent/CN109919260B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1716696A (en) * | 2004-07-01 | 2006-01-04 | 欧姆龙株式会社 | Antenna, apparatus, system, scanning adjusting method for tag communication and programme |
| CN101228533A (en) * | 2005-07-19 | 2008-07-23 | 3M创新有限公司 | Solenoid antenna |
| JP2008003007A (en) * | 2006-06-23 | 2008-01-10 | Fujitsu Ltd | Method and device of recognizing individual, method of regulating individual recognition range, and program |
| CN101179158A (en) * | 2006-11-10 | 2008-05-14 | 株式会社日立制作所 | RFID tag read system and method of reading RFID tag |
| CN101861605A (en) * | 2007-11-14 | 2010-10-13 | 传感电子有限责任公司 | Combination EAS and RFID label or tag with controllable read range using a hybrid RFID antenna |
| CN202205216U (en) * | 2011-07-28 | 2012-04-25 | 深圳市远望谷信息技术股份有限公司 | Reel label tagging machine |
| CN203192045U (en) * | 2013-01-08 | 2013-09-11 | 江苏海事职业技术学院 | Radio frequency identification (RFID) attendance management device |
| CN203217587U (en) * | 2013-03-29 | 2013-09-25 | 上海耀莱防伪科技有限公司 | Low-frequency bottle-class RFID reader apparatus |
| CN104966111A (en) * | 2015-06-04 | 2015-10-07 | 中国电力科学研究院 | Low-voltage transformer security system and method based on radio frequency encryption technology |
| CN204856543U (en) * | 2015-07-20 | 2015-12-09 | 上海博应信息技术有限公司 | Controllable readwrite device of RFID electronic tags |
| CN106845299A (en) * | 2016-12-14 | 2017-06-13 | 河南三木实业集团有限公司 | Telescopic electronics distinguishes bar |
| CN107313296A (en) * | 2017-06-09 | 2017-11-03 | 中山金利宝胶粘制品有限公司 | A kind of corrosion-and high-temp-resistant paper, preparation method and its RFID antenna of application |
| CN107103354A (en) * | 2017-06-21 | 2017-08-29 | 上海博感电子科技有限公司 | A kind of frangible label of anti-alice and preparation method thereof |
| CN208126421U (en) * | 2018-04-25 | 2018-11-20 | 大庆市嘉华科技有限公司 | Orientation reads equipment and its system |
Non-Patent Citations (1)
| Title |
|---|
| "电能计量器具智能化直配管理新模式与成套设备设计与实现";章鹿华;《物流技术》;20160131;第152-155页 * |
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