CN201518136U - Low power consumption active electronic lag - Google Patents
Low power consumption active electronic lag Download PDFInfo
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- CN201518136U CN201518136U CN2009200693103U CN200920069310U CN201518136U CN 201518136 U CN201518136 U CN 201518136U CN 2009200693103 U CN2009200693103 U CN 2009200693103U CN 200920069310 U CN200920069310 U CN 200920069310U CN 201518136 U CN201518136 U CN 201518136U
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- electronic tag
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- reader
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- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 230000000051 modifying Effects 0.000 claims description 4
- 238000005538 encapsulation Methods 0.000 claims description 3
- 230000002093 peripheral Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 230000000739 chaotic Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 230000001360 synchronised Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 230000002035 prolonged Effects 0.000 description 1
- 230000000644 propagated Effects 0.000 description 1
- 230000001702 transmitter Effects 0.000 description 1
Abstract
The utility model discloses a low power consumption active electronic lag which comprises an electronic lag, a reader and a data transmission system. The electronic lag is composed of an antenna, a control module, a storage device and a receiving and transmitting module, wherein the receiving and transmitting module is connected with one end of the storage device, the other end of the storage device is connected with the control module, and the control module is further connected with the antenna. The reader is composed of an antenna, a reading and writing module, a control module and an interface module, the antenna is connected with one end of the reading and writing module, the other end of the reading and writing module is connected with the control module, and the control module is further connected with the interface module. The electronic lag and the reader are connected into a whole through the data transmission system. Extremely low power consumption of the system can be obtained, and extremely high performance of the system can be further guaranteed simultaneously through intelligent operation management and energy-saving mode control to a single chip microcomputer and a radio frequency chip module. The low power consumption active electronic lag has low power consumption, strong anti-interference ability, accurate recognition without errors and the long service life.
Description
Technical field
The utility model relates to electronic label identification system, particularly a kind of low-power consumption active electronic tag.
Background technology
Electronic tag is the popular call of radio-frequency (RF) identification (RFID), and it generally is made up of label, plug-in reader and data transmission processing system three parts.
Label is also referred to as electronic tag or intelligent label, and it is the chip that internal memory has antenna, store in the chip can recognition objective information.Characteristics such as the RFID label has persistence, and it is strong that message pick-up is propagated penetrability, and the canned data capacity is big, kind is many.Some RFID label is supported read-write capability, and the information of target object can be updated at any time.Plug-in reader is divided into hand-held and fixes two kinds, and by transmitter, receiving instrument, control module and transceiver are formed.Transceiver and control computer or programmable logic controller (PLC) (PLC) thus be connected the communication function of realizing it.Plug-in reader also has antenna to receive and transmission information.Data transmission and disposal system: the radiowave reception reading of data that plug-in reader sends by receiving label.Modal is Passive RFID system, when plug-in reader is met the RFID label, sends electromagnetic wave, form electromagnetic field on every side, label obtains the microchip circuit in the energy activated label from electromagnetic field, chip conversion electromagnetic wave, send to plug-in reader then, plug-in reader converts it to related data.Thereby the control counter just can be handled these data and manage control.
Active electronic label is meant that the energy of label work is provided by battery, but not the energy of induction read write line.Common active electronic label works in 433M frequency range or 2.4G working frequency range.And common active electronic label is not widely used greatly and owing to power consumption, and the market share is dwindled greatly.
The utility model content
Technical problem to be solved in the utility model is, overcomes the existing big defective of active electronic label power consumption, provides a kind of low-power consumption active electronic tag, good in anti-interference performance.
In order to address the above problem the technical solution of the utility model is such:
A kind of low-power consumption active electronic tag comprises that electronic tag, reader and data transmission system constitute.
Described electronic tag is made of antenna, control module, storer and transceiver module, an end of described transceiver module connected storage, and the other end link control module of storer, control module are connected with described antenna again.
Described reader is made of antenna, module for reading and writing, control module and interface module, and described antenna connects an end of module for reading and writing, and the other end of described module for reading and writing connects described control module, and described control module is connected with described interface module again.
Carry out data transmission by the space between described electronic tag and the reader.
The control module of described electronic tag comprises single-chip microcomputer and radio frequency chip, described single-chip microcomputer has been integrated into a lot of peripheral modules in the MCU chip, increase hardware redundancy, the user can select to use different functional circuits by special function register, promptly rely on software to select wherein different peripheral functional modules, for obsolete module it is quit work, to reduce ineffective power consumption.
In order to reduce power consumption better, described single-chip microcomputer adopts 2 to overlap independently clock source: external clock and sheet internal clock.Generally, system's running frequency is high more, and power supply power consumption will correspondingly increase, and described single-chip microcomputer can reduce the MCU master clock frequency by a certain percentage under the situation that satisfies the function needs, to reduce power supply power consumption.Under the situation that does not need high-speed cruising, can select secondary clock slow running for use, further reduce power consumption.Can change the clock frequency of CPU by software to the special function register assignment, or carry out major clock and the switching of secondary clock, thereby realize control overall power consumption.
Described radio frequency chip is the most crucial part of whole rfid card, is directly connected to the reading/writing distance and the reliability of label, also directly has influence on the power consumption of total system simultaneously.Functional modules such as described radio frequency chip built-in address demoder, first-in first-out stack area, modulated processor, clock processor, GFSK wave filter, low noise amplifier, frequency synthesizer and power amplifier, need peripheral cell seldom, chip energy consumption is very low.
Described radio frequency chip has two kinds of mode of operations: shutdown mode and idle pulley, under shutdown mode, can obtain minimum working current, and when outwards not sending data, chip selects to be operated in this pattern, can prolong the serviceable life of battery significantly.Described idle pulley also is to design in order to reduce average working current, and its biggest advantage is when realization is energy-conservation, shortens the starting time of radio frequency chip, has saved power consumption.
Combine by intelligent operation management and energy saver mode control to single-chip microcomputer and radio frequency chip module, solve the contradiction of travelling speed, data traffic, system performance and low power dissipation design, the current drain of each functional module is reduced to minimum state, the restraint state is to minimum requirements, through optimizing, can in the extremely low power dissipation of the system of acquisition, can guarantee that again system has very high performance.
The utility model not only has Low-power Technology, but also is provided with very strong Anti-Jamming Technique, owing to carry out data transmission by the space between electronic tag and the reader, therefore is easy to be interfered, and causes the transmission data to make a mistake.After data made a mistake, electronic tag or reader all might make a mistake.If rub-out signal is received by electronic tag, can cause: electronic tag responds the order of read write line mistakenly; The duty of electronic tag takes place chaotic; Electronic tag enters dormant state mistakenly.The Anti-Jamming Technique that adopts is as follows:
Come check data error of transmission whether to occur by utilizing the data integrity method of arranging in the communication protocol between electronic tag and the read write line.By utilizing digital coding to improve the antijamming capability of data transmission.Mistake by the generation in digital coding and the transmission of data integrity verifying correction of data.Utilize repeatedly data and the reservation of retransmitting, relatively get rid of mistake to be judged as correct data.
The utlity model has following advantage performance: decipherment distance, remote 2-50 rice is adjustable; Nearly discern 625 pieces anti-collision performance simultaneously; The ISM working frequency range 2.45GHz that the whole world is current; Unique little power consumption design; Time division multiple access (TDMA) and synchronous communication mechanism based on HDLC; Has the multi-channel high-speed recognition capability; 1.5-2.5 the serviceable life in year; Solid-state encapsulation, anti-high strength are fallen and vibration.
The beneficial effects of the utility model are, low-power consumption has prolonged serviceable life of battery effectively, also has very strong Anti-Jamming Technique, guarantee system signal can be in time, transmission accurately and effectively.
Description of drawings
Describe the utility model in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is a system chart of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1, a kind of low-power consumption active electronic tag is made of electronic tag 1, reader 2 and data transmission system.
Electronic tag 1 is to be made of antenna 11, control module 12, storer 13 and transceiver module 14, an end of described transceiver module 14 connected storages 13, and the other end link control module 12 of storer 13, control module 12 are connected with antenna 11 again.
Reader 2 is made of jointly interface module 21, control module 22, module for reading and writing 23 and antenna 24, and antenna 24 connects an end of module for reading and writing 23, and the other end link control module 22 of module for reading and writing 23, control module 22 are connected with interface module 21 again.
Interface module 21 external data administration modules 3 in the reader 2, reader 2 and electronic tag 1 carry out data transmission by the space.
Control module 22 in the electronic tag 1 comprises single-chip microcomputer and radio frequency chip, described single-chip microcomputer has been integrated into a lot of peripheral modules in the MCU chip, increase hardware redundancy, the user can select to use different functional circuits by special function register, promptly rely on software to select wherein different peripheral functional modules, for obsolete module it is quit work, to reduce ineffective power consumption.
In order to reduce power consumption better, described single-chip microcomputer adopts 2 to overlap independently clock source: external clock and sheet internal clock.Generally, system's running frequency is high more, and power supply power consumption will correspondingly increase, and described single-chip microcomputer can reduce the MCU master clock frequency by a certain percentage under the situation that satisfies the function needs, to reduce power supply power consumption.Under the situation that does not need high-speed cruising, can select secondary clock slow running for use, further reduce power consumption.Can change the clock frequency of CPU by software to the special function register assignment, or carry out major clock and the switching of secondary clock, thereby realize control overall power consumption.
Described radio frequency chip is the most crucial part of whole rfid card, is directly connected to the reading/writing distance and the reliability of label, also directly has influence on the power consumption of total system simultaneously.Functional modules such as described radio frequency chip built-in address demoder, first-in first-out stack area, modulated processor, clock processor, GFSK wave filter, low noise amplifier, frequency synthesizer and power amplifier, need peripheral cell seldom, chip energy consumption is very low.
Described radio frequency chip has two kinds of mode of operations: shutdown mode and idle pulley, under shutdown mode, can obtain minimum working current, and when outwards not sending data, chip selects to be operated in this pattern, can prolong the serviceable life of battery significantly.Described idle pulley also is to design in order to reduce average working current, and its biggest advantage is when realization is energy-conservation, shortens the starting time of radio frequency chip, has saved power consumption.
Combine by intelligent operation management and energy saver mode control to single-chip microcomputer and radio frequency chip module, solve the contradiction of travelling speed, data traffic, system performance and low power dissipation design, the current drain of each functional module is reduced to minimum state, the restraint state is to minimum requirements, through optimizing, can in the extremely low power dissipation of the system of acquisition, can guarantee that again system has very high performance.
The utility model not only has Low-power Technology, but also is provided with very strong Anti-Jamming Technique, owing to carry out data transmission by the space between electronic tag 1 and the reader 2, therefore is easy to be interfered, and causes the transmission data to make a mistake.After data made a mistake, electronic tag or reader all might make a mistake.If rub-out signal is received by electronic tag, can cause: electronic tag responds the order of read write line mistakenly; The duty of electronic tag takes place chaotic; Electronic tag enters dormant state mistakenly.The Anti-Jamming Technique that adopts is as follows:
Come check data error of transmission whether to occur by utilizing the data integrity method of arranging in the communication protocol between electronic tag 1 and the read write line 2.By utilizing digital coding to improve the antijamming capability of data transmission.Mistake by the generation in digital coding and the transmission of data integrity verifying correction of data.Utilize repeatedly data and the reservation of retransmitting, relatively get rid of mistake to be judged as correct data.
A kind of low-power consumption active electronic tag of the utility model has the good technical characteristic:
Decipherment distance, remote 2-50 rice is adjustable; Nearly discern 625 pieces anti-collision performance simultaneously; The ISM working frequency range 2.45GHz that the whole world is current; Unique little power consumption design; Time division multiple access (TDMA) and synchronous communication mechanism based on HDLC; Has the multi-channel high-speed recognition capability; 1.5-2.5 the serviceable life in year; Solid-state encapsulation, anti-high strength are fallen and vibration.
Serviceability temperature of the present utility model is at-20 ℃-45 ℃, storage temperature-30 ℃-65 ℃, anti-electromagnetic interference (EMI) 10V/m0.1-1000MhzAM amplitude modulation electromagnetism.Low in energy consumption, in the quiescent current 2uA, in the working current 18mA.Its antijamming capability is strong, guarantee system signal can be in time, transmission accurately and effectively.
More than show and described ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the instructions just illustrates principle of the present utility model; the utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. low-power consumption active electronic tag, comprise electronic tag, reader and data transmission system, it is characterized in that, described electronic tag is connected and composed by antenna, control module, storer and transceiver module, described reader is connected and composed by antenna, module for reading and writing, control module and interface module, and described electronic tag and reader utilize antenna to carry out data transmission by the space.
2. a kind of low-power consumption active electronic tag according to claim 1 is characterized in that described electronic tag adopts solid-state encapsulation.
3. a kind of low-power consumption active electronic tag according to claim 1 is characterized in that the control module of described electronic tag comprises single-chip microcomputer and radio frequency chip, and described single-chip microcomputer adopts 2 to overlap independently clock source: external clock and sheet internal clock.
4. a kind of low-power consumption active electronic tag according to claim 3, it is characterized in that, described radio frequency chip built-in address demoder, first-in first-out stack area, modulated processor, clock processor, GFSK wave filter, low noise amplifier, frequency synthesizer and power amplifier, described radio frequency chip has two kinds of mode of operations: " shut " mode" and idle pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200693103U CN201518136U (en) | 2009-03-24 | 2009-03-24 | Low power consumption active electronic lag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200693103U CN201518136U (en) | 2009-03-24 | 2009-03-24 | Low power consumption active electronic lag |
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| CN201518136U true CN201518136U (en) | 2010-06-30 |
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| CN2009200693103U Expired - Fee Related CN201518136U (en) | 2009-03-24 | 2009-03-24 | Low power consumption active electronic lag |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102611147A (en) * | 2011-01-25 | 2012-07-25 | 陈建华 | Special module for charging wind and light complementary controller |
| CN103488961A (en) * | 2012-06-14 | 2014-01-01 | 中兴通讯股份有限公司 | Error wake-up signal shielding method and active electronic tag |
| CN109522766A (en) * | 2018-12-06 | 2019-03-26 | 成都理工大学 | A kind of system that the direction of motion is detected by low power consumption active electronic lag |
-
2009
- 2009-03-24 CN CN2009200693103U patent/CN201518136U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102611147A (en) * | 2011-01-25 | 2012-07-25 | 陈建华 | Special module for charging wind and light complementary controller |
| CN103488961A (en) * | 2012-06-14 | 2014-01-01 | 中兴通讯股份有限公司 | Error wake-up signal shielding method and active electronic tag |
| CN109522766A (en) * | 2018-12-06 | 2019-03-26 | 成都理工大学 | A kind of system that the direction of motion is detected by low power consumption active electronic lag |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100630 Termination date: 20170324 |
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| CF01 | Termination of patent right due to non-payment of annual fee |