CN203909827U - RFID electronic tag - Google Patents
RFID electronic tag Download PDFInfo
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- CN203909827U CN203909827U CN201420322657.5U CN201420322657U CN203909827U CN 203909827 U CN203909827 U CN 203909827U CN 201420322657 U CN201420322657 U CN 201420322657U CN 203909827 U CN203909827 U CN 203909827U
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- 238000001914 filtration Methods 0.000 claims abstract description 30
- 230000003321 amplification Effects 0.000 claims abstract description 20
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 20
- 230000033228 biological regulation Effects 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 18
- 238000010248 power generation Methods 0.000 claims description 14
- 230000006698 induction Effects 0.000 abstract description 11
- 238000009434 installation Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The utility model discloses an RFID electronic tag comprising a radio frequency device which comprises a transmitting module, a power supply module and a receiving module. The transmitting module comprises a power amplification unit, a filtering unit, a modulation unit and a first antenna. The power supply module comprises a power supply generation unit and a voltage-stabilizing unit. The receiving module comprises an envelope generation unit, a demodulation unit and a second antenna. The modulation unit is connected with the filtering unit which is connected with the power amplification unit. The power amplification unit is connected with the first antenna. The power supply generation unit is connected with the voltage-stabilizing unit. The second antenna is respectively connected with the power supply generation unit and the envelope generation unit. The envelope generation unit is connected with the demodulation unit. The voltage-stabilizing unit is respectively connected with the power amplification unit, the modulation unit, the envelope generation unit and the demodulation unit. A signal transmitted by the tag can be induced by an induction device in a long distance.
Description
Technical field
The utility model relates to electronic tag field, particularly a kind of RFID electronic tag that can distance sensing.
Background technology
Existing electronic tag, most of needs by very closely could sensed device induction, for needing distance sensing, electronic tag just can not meet needs; As, the electric motor car of parking in community, stolen event occurs again and again, stolen in order to prevent electric motor car, on electric motor car and car owner, all with electronic tag, the electronic tag in car owner and electric motor car is corresponding, in community, induction installation is installed in outlet, while discrepancy in doorway, community in electric motor car, if electric motor car and car owner's electronic tag is simultaneously sensed, prove that electric motor car is car owner's; But because of electronic tag from induction installation away from, induction installation cannot sense electronic tag in car owner and electric motor car, also cannot play the anti-theft function of electric motor car.
Utility model content
The utility model is in order to overcome the technological deficiency in above-mentioned background technology, utility model a kind of RFID electronic tag that can distance sensing, the signal that this label sends can remote sensed device induction.
For solving the problems of the technologies described above, the utility model provides following scheme:
RFID electronic tag that can distance sensing, comprising: radio-frequency unit, and it comprises: sending module, power module, receiver module; Described sending module comprises: power amplification unit, filter unit, modulating unit and the first antenna;
Described power module comprises: power generation unit and voltage regulation unit;
Described receiver module comprises: envelope generation unit, detection unit and the second antenna;
Wherein, described modulating unit is connected with described filter unit, described filter unit is connected with described power amplification unit, described power amplification unit is connected with described the first antenna, described power generation unit is connected with described voltage regulation unit, described the second antenna is connected with described power generation unit and described envelope generation unit respectively, described envelope generation unit is connected with described detection unit, and described voltage regulation unit is connected with described power amplification unit, described modulating unit, described envelope generation unit and described detection unit respectively.
Further, also comprise a controller, it is connected with described radio-frequency unit.
In such scheme, described controller comprises codec unit and the processor being connected with described codec unit and the storage unit being connected with described processor;
Wherein, described codec unit is connected with described modulating unit, described detection unit and described voltage regulation unit respectively.
In such scheme, the first low-pass filtering subelement that described envelope generation unit comprises the first nonlinear element and connects with the first nonlinear element; Described detection unit comprise bandpass filtering subelement and the voltage ratio that is connected with described bandpass filtering subelement compared with subelement;
Wherein, described the second antenna is connected with described the first nonlinear element and described the first low-pass filtering subelement respectively, and described voltage ratio is connected with described codec unit compared with subelement.
In such scheme, described modulating unit comprises: high frequency carrier subelement, the second nonlinear element and load-modulate subelement;
Wherein, described the first antenna is connected with described the second nonlinear element, and described load-modulate subelement is connected with described the second nonlinear element respectively, high frequency carrier subelement and filter unit connect.
In such scheme, the second low-pass filtering subelement that described power generation unit comprises electromagnetic coupled subelement and is connected commutator unit with described electromagnetic coupled subelement and is connected with described commutator unit;
Wherein, described electromagnetic coupled subelement is connected with described the second antenna, and described the second low-pass filtering subelement is connected with described voltage regulation unit.
Compared with prior art, the utlity model has following beneficial effect:
1, the RFID electronic tag in the utility model, coordinates respectively antenna to carry out the transmission of signal by transmitting portion and receiving unit, and electronic tag can be responded to by remote sensed device;
2 and increased power amplification unit in transmitting portion, increase envelope generation unit at receiving unit, make in distant signal transmission more stable;
3, simple in structure, easy to make.
Brief description of the drawings
Fig. 1 is the utility model RFID Electronic Tag Structure schematic diagram;
Fig. 2 is the utility model RFID electronic tag receiver module structural representation;
Fig. 3 is the utility model RFID electronic tag sending module structural representation;
Fig. 4 is the utility model RFID electronic tag power module structure schematic diagram;
Mark the following drawings mark thereon by reference to the accompanying drawings:
1-radio-frequency unit, 11-sending module, 111-power amplification unit, 112-filter unit, 1211-the first nonlinear element, 1212-the first low-pass filtering subelement, 113-modulating unit, 1131-the second nonlinear element, 1132-high frequency carrier subelement, 1133-load-modulate subelement, 114-the first antenna, 12-receiver module, 121-envelope generation unit, 122-detection unit, 123-the second antenna, 1221-bandpass filtering subelement, 1222-voltage ratio is compared with subelement, 13-power module, 131-power generation unit, 1311-electromagnetic coupled subelement, 1312-commutator unit, 1313-the second low-pass filtering subelement, 132-voltage regulation unit, 4-controller, 41-codec unit, 42-processor, 43-storage unit.
Embodiment
Below in conjunction with accompanying drawing, an embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subject to the restriction of embodiment.
Unless separately there is other clearly to represent, otherwise in whole instructions and claims, term " comprises " or its conversion was stated being understood to include as " comprising " or " including " etc. element or ingredient, and do not get rid of other element or other ingredient.
As shown in Figure 1, a kind of RFID electronic tag that can distance sensing, comprising: controller 4 and the radio-frequency unit 1 being connected with controller 4; Radio-frequency unit 1 comprises: sending module 11, power module 13, receiver module 12; Sending module 11 comprises: power amplification unit 111, filter unit 112, modulating unit 113 and the first antenna 114;
Power module 13 comprises: power generation unit 131 and voltage regulation unit 132;
Receiver module 12 comprises: envelope generation unit 121, detection unit 122 and the second antenna 123;
Wherein, modulating unit 113 is connected with filter unit 112, filter unit 112 is connected with power amplification unit 111, power amplification unit 111 is connected 113 with the first antenna, power generation unit 131 is connected with voltage regulation unit 132, the second antenna 123 is connected with power generation unit 131 and envelope generation unit 121 respectively, envelope generation unit 121 is connected with detection unit 122, and voltage regulation unit 132 is connected with power amplification unit 111, modulating unit 113, envelope generation unit 121 and detection unit 122 respectively.
Controller 4 comprises codec unit 41 and the processor 42 being connected with codec unit 41 and the storage unit 43 being connected with processor 42;
Wherein, codec unit 41 is connected with modulating unit 113, detection unit 122 and voltage regulation unit 132 respectively.
While receiving signal, mainly receive signal by receiver module 12, when electronic tag and induction installation are during at certain distance range, first the signal that induction installation sends is received by the second antenna 123, revert to digital baseband signal by envelope generation unit 121, through detection unit 122 carry out filtering and relatively after be sent to codec unit 41 and decode, after decoding, processed by processor 42 and stored by storage unit 43;
When transmitted signal, first send a digital baseband signal to codec unit 41 by processor 42, after being encoded by codec unit 41, send to modulating unit 113, after modulation, carry out filtering by filter unit 112 again, after power amplification unit 111 amplifies, send to induction installation through the first antenna 114.
The AC signal of the induction installation that power generation unit 121 receives by the second antenna 123, produces voltage, is passed to modules and provides voltage for modules after voltage regulation unit 132 voltage stabilizings.
Coordinate respectively first and second antenna (114,123) to carry out the transmission of signal by sending module 11 and receiver module 12, electronic tag can be responded to by remote sensed device.
As shown in Figure 2, in receiver module 12, the first low-pass filtering subelement 1212 that envelope generation unit 121 comprises the first nonlinear element 1211 and connects with the first nonlinear element 1211; Detection unit 122 comprise bandpass filtering subelement 1221 and the voltage ratio that is connected with bandpass filtering subelement 1221 compared with subelement 1222; Wherein, the second antenna 123 is connected with described the first nonlinear element 1211 and the first low-pass filtering subelement 1212 respectively, and voltage ratio is connected with codec unit 41 compared with subelement 1222.
Receiving signal passes through after the first nonlinear element 1211 and the first low-pass filtering subelement 1212, can produce good envelope detection, prevent distortion, again through bandpass filtering subelement 1221 and voltage ratio compared with subelement 1222 after, the baseband signal of generation is processed by processor 42 after can being decoded and decode by codec unit 1221 preferably.
As shown in Figure 3, in sending module 11, high frequency carrier subelement 1132, the second nonlinear element 1131 and load-modulate subelement 1133; Wherein, the first antenna 124 is connected 1131 with the second nonlinear element, and load-modulate subelement 1133 is connected with the second nonlinear element 1131 respectively, high frequency carrier subelement 1132 and filter unit 112 connect.
After signal to be sent is modulated by high frequency carrier subelement 1132, the second nonlinear element 1131, then unit 112 carries out frequency spectrum shift after filtering, and the transmitted signal of output after power amplification unit 111 can remote sensed device induction.
As shown in Figure 4, the second low-pass filtering subelement 1313 that power generation unit 131 comprises electromagnetic coupled subelement 1311 and is connected commutator unit 1312 with electromagnetic coupled subelement 1311 and is connected with commutator unit 1312; Wherein, electromagnetic coupled subelement 1311 is connected 123, the second low-pass filtering subelements 1313 and is connected with voltage regulation unit 132 with the second antenna.
The AC signal receiving from the second antenna 123, carry out magnetoelectricity conversion by electromagnetic coupled subelement 1311, carrying out rectification through commutator unit 1312, and entered the second low-pass filtering subelement 1313 and carry out can obtaining stable voltage by voltage regulation unit 132 after filtering, voltage can carry out stable work for modules.
Finally it should be noted that: above embodiment is only in order to illustrate the utility model and the described technical scheme of unrestricted the utility model; Therefore, although this instructions has been described in detail the utility model with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can modify or be equal to replacement the utility model; And all do not depart from technical scheme and the improvement thereof of spirit and scope of the present utility model, it all should be encompassed in claim scope of the present utility model.
Claims (6)
1. a RFID electronic tag, is characterized in that, comprising:
Radio-frequency unit, it comprises: sending module, power module, receiver module; Described sending module comprises: power amplification unit, filter unit, modulating unit and the first antenna;
Described power module comprises: power generation unit and voltage regulation unit;
Described receiver module comprises: envelope generation unit, detection unit and the second antenna;
Wherein, described modulating unit is connected with described filter unit, described filter unit is connected with described power amplification unit, described power amplification unit is connected with described the first antenna, described power generation unit is connected with described voltage regulation unit, described the second antenna is connected with described power generation unit and described envelope generation unit respectively, described envelope generation unit is connected with described detection unit, and described voltage regulation unit is connected with described power amplification unit, described modulating unit, described envelope generation unit and described detection unit respectively.
2. RFID electronic tag according to claim 1, is characterized in that, also comprises a controller, and it is connected with described radio-frequency unit.
3. RFID electronic tag according to claim 2, is characterized in that, described controller comprises codec unit and the processor being connected with described codec unit and the storage unit being connected with described processor;
Wherein, described codec unit is connected with described modulating unit, described detection unit and described voltage regulation unit respectively.
4. RFID electronic tag according to claim 3, is characterized in that, the first low-pass filtering subelement that described envelope generation unit comprises the first nonlinear element and connects with the first nonlinear element; Described detection unit comprise bandpass filtering subelement and the voltage ratio that is connected with described bandpass filtering subelement compared with subelement;
Wherein, described the second antenna is connected with described the first nonlinear element and described the first low-pass filtering subelement respectively, and described voltage ratio is connected with described codec unit compared with subelement.
5. RFID electronic tag according to claim 3, is characterized in that, described modulating unit comprises: high frequency carrier subelement, the second nonlinear element and load-modulate subelement;
Wherein, described the first antenna is connected with described the second nonlinear element, and described load-modulate subelement is connected with described the second nonlinear element respectively, high frequency carrier subelement and filter unit connect.
6. RFID electronic tag according to claim 3, it is characterized in that the second low-pass filtering subelement that described power generation unit comprises electromagnetic coupled subelement and is connected commutator unit with described electromagnetic coupled subelement and is connected with described commutator unit;
Wherein, described electromagnetic coupled subelement is connected with described the second antenna, and described the second low-pass filtering subelement is connected with described voltage regulation unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420322657.5U CN203909827U (en) | 2014-06-17 | 2014-06-17 | RFID electronic tag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420322657.5U CN203909827U (en) | 2014-06-17 | 2014-06-17 | RFID electronic tag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203909827U true CN203909827U (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420322657.5U Expired - Fee Related CN203909827U (en) | 2014-06-17 | 2014-06-17 | RFID electronic tag |
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| CN (1) | CN203909827U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104021414A (en) * | 2014-06-17 | 2014-09-03 | 南宁山风信息科技有限公司 | RFID electronic tag |
-
2014
- 2014-06-17 CN CN201420322657.5U patent/CN203909827U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104021414A (en) * | 2014-06-17 | 2014-09-03 | 南宁山风信息科技有限公司 | RFID electronic tag |
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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: 20141029 |