CN104410129A - Vehicle-mounted electronic tag wireless charging device - Google Patents
Vehicle-mounted electronic tag wireless charging device Download PDFInfo
- Publication number
- CN104410129A CN104410129A CN201410766407.5A CN201410766407A CN104410129A CN 104410129 A CN104410129 A CN 104410129A CN 201410766407 A CN201410766407 A CN 201410766407A CN 104410129 A CN104410129 A CN 104410129A
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- China
- Prior art keywords
- vehicle
- charging device
- wireless
- electronic label
- vehicle carried
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- 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
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- H02J7/025—
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a vehicle-mounted electronic tag wireless charging device. The vehicle-mounted electronic tag wireless charging device comprises a wireless transmitting unit, a wireless receiving unit and a battery, wherein the wireless transmitting unit comprises an antenna coil, a resonance circuit with the work frequency of 13.56 MHz and an adapter power supply interface, the input end of the resonance circuit is connected with the adapter power supply interface, and the output end of the resonance circuit is connected with the antenna coil through a cable; the wireless receiving unit comprises a tag inner coil and a tag inner charging circuit of a vehicle-mounted electronic tag, the tag inner coil is connected with the tag inner charging circuit, and the tag inner charging circuit is connected with the battery. Further, the antenna coil is distributed on the PCB (Printed Circuit Board), and the PCB is matched with a vehicle-mounted electronic tag high-frequency card plug-in interface. The wireless charging device has the characteristics of convenience, flexibility, strong practicability, low cost, small area, high reliability and the like.
Description
Technical field
The present invention relates to a kind of vehicle carried electronic label wireless charging device, the mode of wireless charging can be adopted to charge to vehicle carried electronic label battery.
Background technology
Vehicle carried electronic label generally adopts 3.7V high-performance lithium battery, and service time is generally at about 2 years.Because vehicle carried electronic label is fixed on vehicle, do not allow privately to dismantle, the maintenance agency that changing battery after dead battery capability needs to specify is dismantled again, very inconvenient.For this reason; a lot of producer is all proposed the vehicle carried electronic label of solar recharging; adopt rechargeable type lithium ion battery+high light type solar recharging module; to extend the life-span of electronic tag; but by (microwave window place, electronic tag installation site; logical light rate variance) and the medium factor in garage that is parked in for a long time without sunlight of vehicle affect; often cause the serious power shortage of electronic tag; so vehicle carried electronic label is usually also furnished with charging wire; because different automobile types installation site is different; charging wire can be caused to be interfered, cannot charge in some vehicle.
Summary of the invention
The present invention is directed to the problems referred to above, a kind of vehicle carried electronic label wireless charging device is provided, solve after label installs and activate, because of battery recharge difficulty, and the little and problem that causes vehicle carried electronic label useful life short of the subsidiary charging wire scope of application.
Described vehicle carried electronic label wireless charging device comprises wireless transmission unit, radio receiving unit and battery;
The resonant circuit that described wireless transmission unit comprises aerial coil, operating frequency is 13.56MHz and adaptor power supplies interface, resonant circuit input is connected with adaptor power supplies interface, and resonant circuit output is connected with aerial coil by cable;
Described radio receiving unit comprises inside tags coil and the inside tags charging circuit of vehicle carried electronic label self, and inside tags coil is connected with inside tags charging circuit, and inside tags charging circuit is connected with battery.
Described aerial coil is distributed on pcb board, and pcb board and vehicle carried electronic label high frequency card card interface match.
Described resonant circuit is wireless near field communication (NFC) module.
Vehicle carried electronic label wireless charging device of the present invention, make full use of the existing parts of vehicle carried electronic label, the inside tags coil of himself and inside tags charging circuit are used as radio receiving unit, only increase wireless transmission unit in outside, by the existing card interface of vehicle carried electronic label high frequency card during use, the aerial coil of wireless transmission unit is inserted this interface, and the aerial coil of wireless transmission unit and the inside tags coil of radio receiving unit are charged the battery by the mode of closely electromagnetic coupled.This wireless charging device have convenient, flexible, applicability is strong, with low cost, area is small and exquisite, high reliability.
Accompanying drawing explanation
Fig. 1 is wireless transmission unit framework schematic diagram
Fig. 2 is radio receiving unit block schematic illustration
Fig. 3 is using state block schematic illustration of the present invention
In figure: 1. aerial coil, 2.PCB plate, 3. resonant circuit, 4. adaptor power supplies interface, 5. cable, 6. vehicle carried electronic label, 7. inside tags coil, 8. inside tags charging circuit, 9. battery
Embodiment
Below in conjunction with accompanying drawing, specific embodiments of the invention are elaborated.
Vehicle carried electronic label wireless charging device of the present invention, as shown in Figure 1, 2, comprises wireless transmission unit, radio receiving unit and battery 9;
It should be noted that, this vehicle carried electronic label wireless charging device need use the inside tags coil 7 of vehicle carried electronic label 6 self due to radio receiving unit, therefore the resonant operational frequency of wireless transmission unit need match with the operating frequency of vehicle carried electronic label, ensures as 13.56MHz.
The resonant circuit 3 that described wireless transmission unit comprises aerial coil 1, operating frequency is 13.56MHz and adaptor power supplies interface 4, resonant circuit 3 input is connected with adaptor power supplies interface 4, and resonant circuit 3 output is connected with aerial coil 1 by cable 5;
Described radio receiving unit comprises inside tags coil 7 and the inside tags charging circuit 8 of vehicle carried electronic label 6 self, and inside tags coil 7 is connected with inside tags charging circuit 8, and inside tags charging circuit 8 is connected with battery 9.
Further, aerial coil 1 is distributed on pcb board 2, and pcb board 2 and vehicle carried electronic label 6 high frequency card card interface match.
Further, in described vehicle carried electronic label wireless charging device, resonant circuit 3 is wireless near field communication (NFC) module, wireless near field communication (NFC) module input is connected with adaptor power supplies interface, and wireless near field communication (NFC) module output is connected with aerial coil 1 by cable 5.
With reference to shown in Fig. 3, during charging, the aerial coil 1 of wireless transmission unit is inserted vehicle carried electronic label 6 high frequency card card interface, again the adaptor power supplies interface 4 of wireless transmission unit is connected with automotive interior power supply, electric energy is through resonant circuit 3, preferably, by wireless near field communication (NFC) module, radiate with electromagnetic energy by aerial coil 1, the inside tags coil 7 of radio receiving unit responds to this field energy by electromagnetic coupled mode, again by the shaping voltage stabilizing of crossing inside tags charging circuit 8 of warp, finally be delivered to battery 9, battery 9 is charged.
Above section Example of the present invention has been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.
Claims (3)
1. a vehicle carried electronic label wireless charging device, is characterized in that: comprise wireless transmission unit, radio receiving unit and battery (9);
The resonant circuit (3) that described wireless transmission unit comprises aerial coil (1), operating frequency is 13.56MHz and adaptor power supplies interface (4), resonant circuit (3) input is connected with adaptor power supplies interface (4), and resonant circuit (3) output is connected with aerial coil (1) by cable (5);
Described radio receiving unit comprises inside tags coil (7) and the inside tags charging circuit (8) of vehicle carried electronic label (6) self, inside tags coil (7) is connected with inside tags charging circuit (8), and inside tags charging circuit (8) is connected with battery (9).
2. vehicle carried electronic label wireless charging device according to claim 1, it is characterized in that: described aerial coil (1) is distributed on pcb board (2), pcb board (2) and vehicle carried electronic label (6) high frequency card card interface match.
3. vehicle carried electronic label wireless charging device according to claim 1 and 2, is characterized in that: described resonant circuit (3) is wireless near field communication (NFC) module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410766407.5A CN104410129A (en) | 2014-12-11 | 2014-12-11 | Vehicle-mounted electronic tag wireless charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410766407.5A CN104410129A (en) | 2014-12-11 | 2014-12-11 | Vehicle-mounted electronic tag wireless charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104410129A true CN104410129A (en) | 2015-03-11 |
Family
ID=52647734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410766407.5A Pending CN104410129A (en) | 2014-12-11 | 2014-12-11 | Vehicle-mounted electronic tag wireless charging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104410129A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300685A (en) * | 2015-05-19 | 2017-01-04 | 上海华虹集成电路有限责任公司 | The method and device of vahicles label wireless charging |
-
2014
- 2014-12-11 CN CN201410766407.5A patent/CN104410129A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300685A (en) * | 2015-05-19 | 2017-01-04 | 上海华虹集成电路有限责任公司 | The method and device of vahicles label wireless charging |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150311 |
|
| WD01 | Invention patent application deemed withdrawn after publication |