CN110132312A - A kind of character wheel and its application based on electronic tag - Google Patents

A kind of character wheel and its application based on electronic tag Download PDF

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Publication number
CN110132312A
CN110132312A CN201910459711.8A CN201910459711A CN110132312A CN 110132312 A CN110132312 A CN 110132312A CN 201910459711 A CN201910459711 A CN 201910459711A CN 110132312 A CN110132312 A CN 110132312A
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CN
China
Prior art keywords
character wheel
electronic tag
electronic
counter
gauge table
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
Application number
CN201910459711.8A
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Chinese (zh)
Inventor
来启攀
来康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Jinshui Science And Technology Development Ltd By Share Ltd
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Wuhan Jinshui Science And Technology Development Ltd By Share Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhan Jinshui Science And Technology Development Ltd By Share Ltd filed Critical Wuhan Jinshui Science And Technology Development Ltd By Share Ltd
Priority to CN201910459711.8A priority Critical patent/CN110132312A/en
Publication of CN110132312A publication Critical patent/CN110132312A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D13/00Component parts of indicators for measuring arrangements not specially adapted for a specific variable
    • G01D13/02Scales; Dials
    • G01D13/04Construction
    • G01D13/08Rotating drums
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D4/00Tariff metering apparatus
    • G01D4/002Remote reading of utility meters
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/30Smart metering, e.g. specially adapted for remote reading

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The present invention relates to metrical instrument technical fields, and in particular to a kind of wireless and passive kilowatt meter reading-out system, the system are provided with one group of character wheel of counter group for having electronic tag in table tool, and each character wheel has been arranged circumferentially ten or five electronic tags;When electronic tag is ten, ten electronic tags respectively correspond number 0 to 9;When electronic tag is five, five electronic tags respectively correspond the perhaps then even number or odd number in corresponding number 0 to 9 of the vacancy between the two neighboring electronic tag of even number of the odd number in number 0 to 9.The side of the counter is provided with signal amplification antenna, by external reader can electronic tag on the character wheel of position corresponding to reading antenna, and send management terminal for the data of reading, complete automatic data logging work.Low cost, high efficiency, Maintenance free of the invention, solve the technical issues of table end needs power supply that can just continue working in existing Automatic meter reading.

Description

A kind of character wheel and its application based on electronic tag
Technical field
The present invention relates to metrical instrument technical fields, and in particular to a kind of character wheel and its application based on electronic tag.
Background technique
The transcription jobs that the instrument such as current ammeter, water meter, gas meter and industry measurement count (i.e. degree) are most It is to be completed by meter reading work, after the counting (i.e. degree) of these instrument is made a copy of by meter reading work by hand, uses tricks if necessary The processing of calculation machine, will also make a copy of the data got off and inputs computer again, does so not only low efficiency, easy error, can not fit Answer the requirement of modern management.
In industry therefore and " automatic data logging " technology, common Automatic meter reading, data acquisition modes occur main It is divided into pulsed and two kinds of direct-reading.Pulsed is the current reading that stored count mode acquisition tables tool is sensed by magnetic, is commonly used Sampler have Hall, tongue tube etc.;Direct-reading be on the moment of meter reading electro-detection table have counter in each character wheel Current state carry out the current reading of acquisition tables tool, common acquisition mode has camera shooting direct-reading, photo-electronic directly reading etc..Pass through above-mentioned side After formula collects the reading of table tool, then backstage computer room service sent for field data by wire communication or wireless communication mode Metering and billing is used on device.
Above-mentioned meter reading method is primarily present as following drawbacks:
1, being required to power supply can just continue working, and common mode is from charged pool or external power supply.Service life, power supply Cost, reliability are undesirable.
2, using pulse mode, either there is magnetic or sensed without magnetic, require persistently to power on standby, be easy to appear accumulative mistake Difference, and the interference vulnerable to external electrical field or magnetic field, lead to measurement error.
3, using direct access mode, there is that structure is complicated, the requirement of at high cost, assembly precision is high, a meter reading success rate is not high Etc. problems.
4, humidity can not be adapted to, the adverse circumstances such as high temperature, immersion, soil are buried, freezed.
5, failure rate is higher, needs professional person's long term maintenance.
6, the higher cost being split on each table tool.
Summary of the invention
The purpose of the present invention is to provide a kind of character wheel based on electronic tag and its applications, solve existing automatic data logging The technical issues of table end needs power supply that can just continue working in technology, low cost, high efficiency, Maintenance free of the invention.
To achieve the above object, the technical solution used in the present invention is:
A kind of character wheel based on electronic tag, including character wheel 1, it is characterised in that: the character wheel 1 circumferentially has one Above electronic tag 2.
Further, the character wheel 1 has been arranged circumferentially ten electronic tags 2, and ten electronic tags 2 respectively correspond Number 0 to 9.
Further, the character wheel 1 is arranged circumferentially there are five electronic tag 2, and five electronic tags 2 respectively correspond Odd number or even number in number 0 to 9.
Further, it is cased with a housing 8 outside the character wheel 1, one is offered on the housing 8 for showing character wheel A digital visual windows 9 on 1.
A kind of character wheel counter, including being arranged side by side character wheel group in a row by several character wheels 1, the character wheel group is from right One group of metric number is constituted to the left;It is characterized by: each character wheel 1 has been arranged circumferentially ten or five electricity Subtab 2;When electronic tag 2 is ten, ten electronic tags 2 respectively correspond number 0 to 9;When electronic tag 2 is five When, five electronic tags 2 respectively correspond the odd number or even number in number 0 to 9, the vacancy between two neighboring electronic tag 2 The then even number or odd number in corresponding number 0 to 9.
Further, character wheel group side is additionally provided with signal amplification antenna 3.
Further, the signal amplification antenna 3 is equipped with induction coil corresponding with several character wheels 1, for putting The signal of electronic tag 2 in big induction coil corresponding region.
A kind of gauge table based on character wheel counter, including gauge table 5, it is characterised in that: the gauge table 5 is using above-mentioned Any character wheel counter counts.
Further, the metal shell 4 of the gauge table and signal amplification antenna 3 are electrically connected.
A kind of wireless and passive kilowatt meter reading-out system based on electronic tag counter, it is characterised in that: including any of the above-described described The gauge table based on character wheel counter, reader 6 and management terminal 7;
A string of identification of initialization coding in the memory of the electronic tag 2, the identification coding includes: to represent electronics mark The sole meter coding of 5 identity of gauge table belonging to label 2 represents character wheel 1 belonging to electronic tag 2 and arranges in corresponding character wheel counter The character wheel of column position encodes and represents electronic tag 2 in the digital coding of the corresponding number of affiliated character wheel 1;
The reader 6 includes communication module, and the reader 6 is used to read the knowledge of electronic tag 2 in the gauge table 5 It does not encode, and management terminal 7 is sent to by communication module;
The management terminal 7 is for receiving, handling, managing and storing the identification coding.
The invention has the benefit that
1, low cost, high efficiency, Maintenance free of the invention solve table end in existing Automatic meter reading and need power supply The technical issues of capable of continuing working.
2, the present invention has cost advantage: since the electronic tag for using the low cost having been widely used is fixed for counter Bit identification carrier, product structure are more more simple and reliable than the internal structure of other Automatic meter readings, and have apparent cost Lower advantage.Some are focused on the application of cost very much, such as the meter reading of water meter, since water rate takes in lower, water Business company is limited for the investment of table tool and reading technique, and inexpensive Automatic meter reading has significant competitive advantage.
3, the present invention has reliable sexual clorminance: the technical program, because using passive electronic label, is not necessarily to built-in in table tool Battery or external power supply not only reduce difficulty of construction and power supply cost, and have reliable for operation, non-maintaining, longer life expectancy Advantage.
4, the present invention has environmental suitability advantage: the technical program is because using wireless and passive radio-frequency technique (electronics mark Label), it can adapt to the humidity that can not be disposed in other meter reading products, the adverse circumstances such as high temperature, immersion, soil are buried, freezed, and can Penetrate the electricity box or table well lid of conventional non-totally-enclosed metal cabinet.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of the character wheel with ten electronic tags.
Fig. 2 is that there are five the stereoscopic schematic diagrams of the character wheel of electronic tag for band.
Fig. 3 is the stereoscopic schematic diagram of the character wheel with housing.
Fig. 4 is the stereoscopic schematic diagram of the character wheel group of four character wheels composition.
Fig. 5 is the stereoscopic schematic diagram of the character wheel group of band signal amplification antenna.
Fig. 6 is the stereoscopic schematic diagram of gauge table.
Fig. 7 is the schematic diagram of the wireless and passive kilowatt meter reading-out system in embodiment based on electronic tag counter.
In figure: 1, character wheel, 2, electronic tag, 3, signal amplification antenna, 4, watchcase, 5, gauge table, 6, reader, 7, management Terminal, 8, housing, 9, visual windows.
Specific embodiment
For a better understanding of the present invention, technical solution of the present invention is done further below with reference to embodiment and attached drawing Explanation.
Embodiment one
As shown in fig. 7, a kind of wireless and passive kilowatt meter reading-out system based on electronic tag counter, including gauge table 5, reader 6 and management terminal 7, each floor in every building have the gauge table 5 to match with amount.
The gauge table 5 is the gauge table based on character wheel counter, is provided with character wheel meter in the watchcase 4 of the gauge table 5 Number device, the character wheel counter includes the character wheel group (as shown in Figure 4) being arranged side by side by four character wheels 1 in a row, the character wheel Group right-to-left constitutes one group of metric 4-digit number, and each 1 surface of character wheel is printed on Arabic numerals 0 to 9.
As shown in Figure 1, in ten electronic tags 2 that are arranged circumferentially of character wheel 1, ten electronic tags 2 respectively correspond 0 to 90 numbers.
As shown in figure 3, being cased with a housing 8 outside the character wheel 1, one is offered on the housing 8 for showing word A digital visual windows 9 on wheel 1.The housing 8 is made of electromagnetic-wave absorbent, removes visual windows 9 for shielding The signal of other electronic tags 2 in addition, the only electronic tag 2 of face visual windows 9 can normal receiving and transmitting signals.
Character wheel group side is additionally provided with signal amplification antenna 3, and the signal amplification antenna 3 includes: contactless line The brush of circle induction or contact, amplifies the electronics mark in induction zone by inductive coupling mode or brush contact mode Signal is signed, the electronic tag which is located in induction zone is read by external reader, to reach automatic identification meter The purpose of the number current indicating value of device.The metal shell 4 of the gauge table 5 and signal amplification antenna 3 are electrically connected.
The signal amplification antenna 3 includes four induction coils or contact brush, and four induction coils or contact are electric Brush is corresponded with four character wheels 1, for amplifying the signal of electronic tag 2 in induction coil or contact brush corresponding region. When character wheel 1 rotates, each induction coil at least covers an electronic tag 2, and at most two electronic tags 2 of covering are (because of word Wheel 1 is in the course of rotation, in fact it could happen that the transition interface position between such as 1 to 2 is gone to, in order to avoid 1 electronic tag 2 All read less than the case where, it would be desirable to the appropriate signal that expands amplifies 3 induction range of antenna, and controls and at most reading 2 electronics Label 2), for amplifying the signal of electronic tag 2 in induction coil coverage area.When only one electronics mark on single character wheel 1 When label 2 are amplified by signal, the current indicating value of the character wheel 1 is number corresponding to the electronic tag 2.Have when on single character wheel 1 When two electronic tags 2 are amplified by signal, then mean that the character wheel 1 is rotated to 2 intermediate positions of number, can fetch value A lesser number or a biggish number are final indicating value as a result, being usually to avoid dispute, we can select small number.
Since the electronic tag 2 on character wheel 1 is smaller, wireless signal is weaker, and the reading/writing distance of reader 6 is very under normal circumstances It is short, and the electronic tag amplified after 3 amplified signal of antenna by signal can easily be read by reader 6, and apart from remote.
Initialization has the identification of 15 characters to encode in the memory of electronic tag 2, and the identification coding includes:
Gauge table encodes A: the global unique identities of gauge table 5 belonging to electronic tag 2 is represented using preceding 12 characters, when this After gauge table is installed on specific user, the metering table numbering of the user is represented with coding A, is used for metering and billing and clearing.
Character wheel encodes B: using intermediate 2 characters to represent character wheel 1 belonging to electronic tag 2 and arranges in corresponding character wheel counter Position, if successively represented a position, ten, hundred, kilobit in Fig. 4 from right to left, the corresponding character in a position is 01, and ten corresponding Character is 02, and hundred corresponding characters are 03, and the corresponding character of kilobit is 04;
Digital coding C: electronic tag 2 is represented in the corresponding number of affiliated character wheel 1, ten electronics marks using last 1 character Label 2 respectively correspond number 0 to 9.
The reader 6 includes communication module, and the reader 6 reads the electronic tag 2 in muti-piece gauge table 5 simultaneously Identification coding, and management terminal 7 is sent to by communication module;The management terminal 7 receives identification coding first, further according to upper The coding rule decoding stated identifies that the corresponding informance (such as metering table numbering, metering meter reading) in coding calculates expense, And the information is managed and stored accordingly.
The reading manner of the reader 6 includes following two:
First way (artificial collection copies mode), meter reader carries reader 6, sending when coming the gauge table room of certain floor Prompt tone, reader 6 reads neighbouring all electronic tags 2, and is uploaded data by the wireless communication module in reader 6 Automatic data logging charging work is completed on to back-stage management terminal 7.Meter reader is easily and efficient complete during Daily Round Check It works at meter reading.
The second way (wireless remote transmission collection copies mode), in the fixed peace in the scene of the gauge table equipped with the character wheel counter Several readers 6 are filled, for periodically reading all electronic tags 2 in several 6 signal institute coverage areas of reader, and are led to The wireless communication module crossed in reader 6, which is upload the data in back-stage management terminal 7, completes automatic data logging charging work.Entirely Process is participated in without artificial, is automatically finished.
Using between electronic tag 2 and reader 6, by the space of coupling element realization radiofrequency signal, (nothing connects this programme Touching) coupling;In coupling channel, according to sequential relationship, the transmitting and data exchange of energy are realized.
(ultrahigh frequency electronic tag has and can disposably read multiple labels, penetrability when using ultrahigh frequency electronic tag By force, the features such as distance is remote, the memory capacity of data is big, at low cost, small in size, high reliablity), reader 6 and electronic tag master To obtain energy in the electric field by antenna, 6 antenna of reader sends and receives electromagnetic signal, each electronics mark with radiation mode The antenna of label can obtain the energy in electric field in larger distance, and form voltage, driving electronic tag work in antenna ends And modulate emission signal, return information is modulated on the continuous carrier from reader 6, reader 6 is reflected to.Due to electronics The characteristic of label 2 makes signal amplify the form that antenna 3 is not necessarily designed to closed loop, for using the metering of metal shell 4 Signal can be amplified antenna 3 and draw and snap on metal shell 4 by table 5, realize the effect of antenna gain.
Embodiment two
As shown in fig. 7, a kind of wireless and passive kilowatt meter reading-out system based on electronic tag counter, the difference with embodiment one exist In: as shown in Fig. 2, in five electronic tags 2 that are arranged circumferentially of character wheel 1, five electronic tags 2 are respectively corresponded in 0 to 9 Odd number 1,3,5,7,9, the vacancy between two neighboring electronic tag 2 then correspond to the even number 0,2,4,6,8 in 0 to 9.
The side arrangement of the character wheel 1 has signal to amplify antenna 3, and signal amplifies on antenna 3 comprising there are four induction coil, When character wheel 1 rotates, each induction coil at least covers an electronic tag 2, two electronic tags 2 is at most covered, for putting The signal of electronic tag 2 in big induction coil coverage area.When only one electronic tag 2 is amplified by signal on single character wheel 1 When, the current indicating value of the character wheel 1 is number corresponding to the electronic tag 2;When there is two electronic tags 2 on single character wheel 1 When being amplified by signal, then mean one that the character wheel 1 is rotated among two-digit representated by this two electronic tags 2 Digit position, such as there is electronic tag 2 representated by 1,3 two-digits to be read by reader, that is that the character wheel is final with regard to value 2 Indicating value.
Embodiment three
As shown in Figure 1, 2, based on the character wheel of electronic tag, including character wheel 1, when needing to record the circle number of the rotation of character wheel 1, One electronic tag 2 is set on character wheel 1, and the side of character wheel 1 is arranged in reader 6, persistently records what electronic tag 2 passed through Number.
Described above is only Application Example of the invention, cannot limit the right model of the present invention with this certainly It encloses, therefore according to equivalence changes made by scope of the present invention patent, still belongs to protection scope of the present invention.

Claims (10)

1. a kind of character wheel based on electronic tag, including character wheel (1), it is characterised in that: the character wheel (1) circumferentially has one A above electronic tag (2).
2. the character wheel according to claim 1 based on electronic tag, it is characterised in that: the circumferential direction of the character wheel (1) is uniformly Ten electronic tags (2) are disposed with, ten electronic tags (2) respectively correspond number 0 to 9.
3. the character wheel according to claim 1 based on electronic tag, it is characterised in that: the circumferential direction of the character wheel (1) is uniformly For arrangement there are five electronic tag (2), five electronic tags (2) respectively correspond the odd number or even number in number 0 to 9.
4. the character wheel according to claim 1 based on electronic tag, it is characterised in that: be cased with one outside the character wheel (1) Housing (8) offers one on the housing (8) for showing character wheel (1) upper one digital visual windows (9).
5. a kind of character wheel counter, including being arranged side by side character wheel group in a row by several character wheels (1), the character wheel group is from right One group of metric number is constituted to the left;It is characterized by: each character wheel (1) has been arranged circumferentially ten or five Electronic tag (2);When electronic tag (2) are ten, ten electronic tags (2) respectively correspond number 0 to 9;Work as electronic tag (2) be five when, five electronic tags (2) respectively correspond number 0 to 9 in odd number or even number, two neighboring electronic tag (2) vacancy between then corresponds to even number or odd number in number 0 to 9.
6. character wheel counter according to claim 5, it is characterised in that: character wheel group side is additionally provided with signal amplification day Line (3).
7. character wheel counter according to claim 6, it is characterised in that: signal amplification antenna (3) if be equipped with The dry corresponding induction coil of character wheel (1), for amplifying the signal of electronic tag (2) in induction coil corresponding region.
8. a kind of gauge table based on character wheel counter, including gauge table (5), it is characterised in that: the gauge table (5) uses institute Any character wheel counter of claim 5-7 is stated to count.
9. the gauge table according to claim 8 based on character wheel counter, it is characterised in that: the metal watch of the gauge table Shell (4) and signal amplification antenna (3) are electrically connected.
10. a kind of wireless and passive kilowatt meter reading-out system based on electronic tag counter, it is characterised in that: including the claim 8 Or gauge table, reader (6) and management terminal (7) described in 9 based on character wheel counter;
A string of identification of initialization coding in the memory of the electronic tag (2), the identification coding includes: to represent electronic tag (2) the sole meter coding of gauge table belonging to (5) identity represents character wheel (1) belonging to electronic tag (2) in corresponding character wheel counting The character wheel of arrangement position encodes and represents electronic tag (2) in the digital coding of affiliated character wheel (1) corresponding number in device;
The reader (6) includes communication module, and the reader (6) is for reading the gauge table (5) interior electronic tag (2) Identification coding, and management terminal (7) are sent to by communication module;
The management terminal (7) is for receiving, handling, managing and storing the identification coding.
CN201910459711.8A 2019-05-30 2019-05-30 A kind of character wheel and its application based on electronic tag Pending CN110132312A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910459711.8A CN110132312A (en) 2019-05-30 2019-05-30 A kind of character wheel and its application based on electronic tag

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910459711.8A CN110132312A (en) 2019-05-30 2019-05-30 A kind of character wheel and its application based on electronic tag

Publications (1)

Publication Number Publication Date
CN110132312A true CN110132312A (en) 2019-08-16

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CN (1) CN110132312A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101211405A (en) * 2006-12-26 2008-07-02 曾洪庆 Radio frequency recognition character wheel direct-reading method
TW201027434A (en) * 2009-01-10 2010-07-16 Yen-Ming Tseng Meter structure with RFID tags
CN201540134U (en) * 2009-12-04 2010-08-04 武汉金水来科技发展有限公司 Automatic identification meter reading system
CN204229430U (en) * 2014-10-23 2015-03-25 深圳市远望谷信息技术股份有限公司 A kind of couple electronic label that adopts carries out the streamline managed
CN210089713U (en) * 2019-05-30 2020-02-18 武汉金水来科技发展股份有限公司 Character wheel based on electronic tag, character wheel counter and meter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101211405A (en) * 2006-12-26 2008-07-02 曾洪庆 Radio frequency recognition character wheel direct-reading method
TW201027434A (en) * 2009-01-10 2010-07-16 Yen-Ming Tseng Meter structure with RFID tags
CN201540134U (en) * 2009-12-04 2010-08-04 武汉金水来科技发展有限公司 Automatic identification meter reading system
CN204229430U (en) * 2014-10-23 2015-03-25 深圳市远望谷信息技术股份有限公司 A kind of couple electronic label that adopts carries out the streamline managed
CN210089713U (en) * 2019-05-30 2020-02-18 武汉金水来科技发展股份有限公司 Character wheel based on electronic tag, character wheel counter and meter

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