CN201017339Y - Active universal electronic label - Google Patents
Active universal electronic label Download PDFInfo
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- CN201017339Y CN201017339Y CNU2007201189285U CN200720118928U CN201017339Y CN 201017339 Y CN201017339 Y CN 201017339Y CN U2007201189285 U CNU2007201189285 U CN U2007201189285U CN 200720118928 U CN200720118928 U CN 200720118928U CN 201017339 Y CN201017339 Y CN 201017339Y
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Abstract
The utility model discloses a general-purpose active electronic tag, which is designed to identify objects that are moving at high speed and supports long range data access; the utility model employs the following technical scheme: a general-purpose active electronic tag with an oscillator antenna, wherein, the oscillator antenna is connected to an ultra high frequency transmitting/receiving chip, the ultra high frequency transmitting/receiving chip is connected to a main control unit, and the main control unit is connected to a low frequency receiving unit. Compared to the prior art, the utility model employs low frequency and ultra high frequency radio communication and RF active electronic tag, which support communication at dual frequencies and long-range data access, and thereby can implement point-level positioning and high-speed recognition; the tag access range is longer, and the tag access success rate is higher; the low frequency radio signal has strong penetration performance, while the ultra high frequency signals has high diffracting performance; therefore, the utility model is especially suitable for warehousing management, in-transportation tracking management, and field distribution management of bulk goods and materials, and has tamper-proof function.
Description
Technical field
The utility model relates to a kind of electronic tag, particularly a kind of active electronic label that is used for the logistics visualized management.
Background technology
Along with the develop rapidly of radio frequency discrimination RFID technology, utilize electronic tag to realize the tracing management of transporting supplies and vehicle, can strengthen the visuality of goods and materials rear supply chain.Electronic tag in the radio-frequency recognition system is divided into active label (internal battery) and passive label (by the rf excitation signal power supply) two big classes according to the difference of power supply mode, passive label is restricted by factors such as operating distance is short, data storage capacity is little, speed-adaptive is low, being not suitable for being applied to be identified objects at high speed moves, require decipherment distance far away as surpassing 50m, the occasion that memory data output is big.
Summary of the invention
The purpose of this utility model provides a kind of active universal electric label, and the technical matters that solve is the object that is applied to discern high-speed mobile, and can grow apart from reading and writing data, and second technical matters to be solved in the utility model is to increase data space.
The utility model is by the following technical solutions: a kind of active universal electric label, have element antenna, and described element antenna connects the superfrequency transceiving chip, and the superfrequency transceiving chip is connected with main control unit, and main control unit is connected with the low frequency receiving element.
Main control unit of the present utility model is connected to EEPROM (Electrically Erasable Programmable Read Only Memo).
Element antenna of the present utility model is crooked simple oscialltor antenna.
Main control unit of the present utility model is a single-chip microcomputer.
Low frequency receiving element of the present utility model is by the telefault received signal that is coupled, and signal amplifies through triode detection, amplifying triode and operational amplifier, and single-chip microcomputer is sent in comparer comparison shaping.
Telefault of the present utility model to detection triode is respectively the two independent signal, and the signal after the detection inputs to amplifying triode, signal to two comparer of operational amplifier output.
Operational amplifier of the present utility model is connected with automatic gain control circuit.
Superfrequency transceiving chip of the present utility model adopts CC1000, and main control unit adopts MSP430F149, and EEPROM (Electrically Erasable Programmable Read Only Memo) adopts 25AA256, and the detection triode adopts BCW33, and operational amplifier adopts LPV511, and comparer adopts LPV7215.
The utility model compared with prior art, adopt low frequency, the active electronic label of superfrequency radio communication and radio-frequency (RF) identification, the communication of use double frequency, can grow distance reads and writes data, realize some level location and identification at a high speed, compare with passive electronic label, its label is read having higher success rate that distance and label read, the low frequency wireless signal has stronger penetration capacity, and ultrahigh-frequency signal has diffracting power preferably, especially be fit to the warehousing management of large moving objects such as container, tracing management in the transportation and the distribution management of the scene of article have multiple modes of operation, have bigger storage space can store mass data.
Description of drawings
Fig. 1 is superfrequency transmitting-receiving and the control unit circuit schematic diagram of the utility model embodiment.
Fig. 2 is the low frequency receiving element circuit theory diagrams of the utility model embodiment.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.Active universal electric label of the present utility model is divided into two parts according to functional module: superfrequency UHF transmitting-receiving and control module, low frequency LF receiving element, superfrequency UHF transmitting-receiving and control module and low frequency LF receiving element are controlled and are managed by the single-chip microcomputer that is positioned on UHF transmitting-receiving and the control module.
As shown in Figure 1, UHF transmitting-receiving of the present utility model and control module, has the UHF transceiving chip U1 that is connected with antenna, adopt CC1000, the single-chip microcomputer U2 that is connected with UHF transceiving chip U1, adopt MSP430F149, connect the EEPROM (Electrically Erasable Programmable Read Only Memo) EEPROM U3 of single-chip microcomputer U2, adopt 25AA256.
The frequency of operation of UHF transceiving chip U1 is set, is received and emission conversion and configuration management are finished by single-chip microcomputer U2, single-chip microcomputer U2 by PCLK (P4.2), PDATA (P4.1), the inner PLL frequency synthesizer of PALE (P4.0) three-wire interface control U1, configuration register finish the work that frequency configuration, transmitting-receiving are changed, data encoding and decoding and transfer rate setting.The modulation and demodulation data are interconnected with single-chip microcomputer U2 by U1 interface DCLK (24) and DIO (23), and wherein, DCLK is a data clock, and DIO is the bi-directional data input/output port.When label is in accepting state, U1 with the signal demodulating and decoding of receiving after, be sent to single-chip microcomputer U2 by DIO; When U1 was in emission state, single-chip microcomputer U2 was transferred to U1 to data by DIO, again by being sent to the antenna emission after U1 coded modulation, the amplification.The antenna that active universal electric label of the present utility model uses is a bent monopole sub antenna that is incorporated on the printed circuit board (PCB), and it links to each other with U1 by matching network.In addition, the RSSI pin of U1 meets the P6.2 of single-chip microcomputer U2, and single-chip microcomputer U2 can learn received signal intensity by the level of this interface, correspondingly adjusts transmitter power.
As shown in Figure 2, low frequency LF receiving element of the present utility model, its function is the low frequency signal that receives from driver.The receiving unit antenna uses both direction different close around telefault, receives to realize split pole.The signal that coil is coupled to delivers to the third and fourth triode Q3 by coupling capacitance C31, C32 and Q4 carries out detection, to detect the base band signal modulated by 123kHz OOK.Circuit all is the two independent signal so far---two aerial coils, two-way detection.Signal amplifies by the 9th triode Q9 and integrated transporting discharging U4 then.The part of amplifier output is as the input of automatic gain control circuit, and another part relatively send single-chip microcomputer U2 after the shaping by comparer U5 and U6.Use the reliability that dual comparator can enhanced system.Automatic gain control circuit is made of the first and second field effect transistor Q1 and Q2 and duotriode Q6, Q7, Q8, if the U4 output signal is strong excessively, the grid level of Q1 and Q2 raises, and resistance reduced to discharge part energy between leaked in the source.
Coupling capacitance C31, the C32 of low frequency LF receiving element adopts 0603YA102JAT2A, the third and fourth triode Q3 and Q4 adopt BCW33, the 9th triode Q9 adopts (BCW30, integrated transporting discharging U4 adopts LPV511, comparer U5 and U6 adopt LPV7215, the first and second field effect transistor Q1 and Q2 adopt BSS138, and duotriode Q6, Q7, Q8 adopt BC847CDW1T1.
Active universal electric label of the present utility model uses the 3.6V disposable battery power supply of a joint D/10 size.Single-chip microcomputer communicates by UHF and LF channel and driver and read write line, supporting with its backstage data processing software, constitute the active-mode active radio-frequency recognition system, finish tag recognition, user data read-write, can solve the transportation management in transit and the warehousing management of special goods and materials, improve logistical equipment visibility Management level.After tested, the movement of objects speed that present embodiment reads is greater than 60km/s, decipherment distance 80m-100m, and 32K electrically-erasable ROM (read-only memory) can be stored a large amount of label datas, satisfies the transportation management in transit of special goods and materials and the needs of warehousing management.
Claims (8)
1. an active universal electric label has element antenna, it is characterized in that: described element antenna connects the superfrequency transceiving chip, and the superfrequency transceiving chip is connected with main control unit, and main control unit is connected with the low frequency receiving element.
2. active universal electric label according to claim 1, it is characterized in that: described main control unit is connected to EEPROM (Electrically Erasable Programmable Read Only Memo).
3. active universal electric label according to claim 2 is characterized in that: described element antenna is crooked simple oscialltor antenna.
4. active universal electric label according to claim 3, it is characterized in that: described main control unit is a single-chip microcomputer.
5. active universal electric label according to claim 4, it is characterized in that: described low frequency receiving element is by the telefault received signal that is coupled, signal amplifies through triode detection, amplifying triode and operational amplifier, and single-chip microcomputer is sent in comparer comparison shaping.
6. active universal electric label according to claim 5 is characterized in that: described telefault to detection triode is respectively the two independent signal, and the signal after the detection inputs to amplifying triode, signal to two comparer of operational amplifier output.
7. active universal electric label according to claim 6, it is characterized in that: described operational amplifier is connected with automatic gain control circuit.
8. active universal electric label according to claim 7, it is characterized in that: described superfrequency transceiving chip adopts CC1000, main control unit adopts MSP430F149, EEPROM (Electrically Erasable Programmable Read Only Memo) adopts 25AA256, the detection triode adopts BCW33, operational amplifier adopts LPV511, and comparer adopts LPV7215.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201189285U CN201017339Y (en) | 2007-03-13 | 2007-03-13 | Active universal electronic label |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201189285U CN201017339Y (en) | 2007-03-13 | 2007-03-13 | Active universal electronic label |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201017339Y true CN201017339Y (en) | 2008-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201189285U Expired - Fee Related CN201017339Y (en) | 2007-03-13 | 2007-03-13 | Active universal electronic label |
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| Country | Link |
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| CN (1) | CN201017339Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011113216A1 (en) * | 2010-03-15 | 2011-09-22 | 国民技术股份有限公司 | Mobile radio frequency apparatus, radio frequency integrated circuit card and radio frequency memory card |
| CN102722741A (en) * | 2012-06-15 | 2012-10-10 | 深圳市远望谷信息技术股份有限公司 | Vehicle data acquiring device and method based on active radio frequency identification |
| CN104252639A (en) * | 2013-06-26 | 2014-12-31 | 成都新方洲信息技术有限公司 | RFID-based tag control processor |
-
2007
- 2007-03-13 CN CNU2007201189285U patent/CN201017339Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011113216A1 (en) * | 2010-03-15 | 2011-09-22 | 国民技术股份有限公司 | Mobile radio frequency apparatus, radio frequency integrated circuit card and radio frequency memory card |
| CN102722741A (en) * | 2012-06-15 | 2012-10-10 | 深圳市远望谷信息技术股份有限公司 | Vehicle data acquiring device and method based on active radio frequency identification |
| CN102722741B (en) * | 2012-06-15 | 2015-12-02 | 深圳市远望谷信息技术股份有限公司 | Based on vehicle data acquisition device and the method for active radio frequency identification |
| CN104252639A (en) * | 2013-06-26 | 2014-12-31 | 成都新方洲信息技术有限公司 | RFID-based tag control processor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20080206 Termination date: 20150313 |
|
| EXPY | Termination of patent right or utility model |