CN203827014U - Smart television and set-top box remote control wireless charging circuit - Google Patents
Smart television and set-top box remote control wireless charging circuit Download PDFInfo
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- CN203827014U CN203827014U CN201420125395.3U CN201420125395U CN203827014U CN 203827014 U CN203827014 U CN 203827014U CN 201420125395 U CN201420125395 U CN 201420125395U CN 203827014 U CN203827014 U CN 203827014U
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- 238000001914 filtration Methods 0.000 claims abstract description 6
- 239000003990 capacitor Substances 0.000 claims description 22
- 239000013078 crystal Substances 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 9
- 230000006872 improvement Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000005669 field effect Effects 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000012356 Product development Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Abstract
The utility model provides a smart television and set-top box remote control wireless charging circuit comprises a power source circuit, a high-frequency oscillating circuit, a high-frequency power amplifying circuit, a transmitting coil, a receiving coil and a high-frequency rectifying and filtering circuit, wherein the power source circuit is connected with the high-frequency oscillating circuit and the high-frequency power amplifying circuit, the high-frequency oscillating circuit is connected with the high-frequency power amplifying circuit, the high-frequency power amplifying circuit is connected with the transmitting coil, the receiving coil is connected with the high-frequency rectifying and filtering circuit, and the high-frequency rectifying and filtering circuit can charge a rechargeable battery. According to products which are needed to be provided with batteries so as to be delivered out form factories, user should open the products to replace the batteries after the batteries have been used for a period, as for non professionals who are not familiar with the products, damage to the products which is caused by improper assembly often occurs, while, with the wireless charging technologies provided by the technical scheme adopted, the products can be convenient to use, and at the same time, follow-up troubles can be eliminated.
Description
Technical field
The utility model relates to a kind of circuit design of remote controller, relates in particular to intelligent television and set-top box remote controller wireless charging circuit.
Background technology
The battery of traditional TV remote controller in use for some time, needs again more to renew battery after dead battery, if the used batteries that change are mishandling, also economical not to the very large while of the harm of environment.If intelligent television, set-top box remote controller is used the lithium battery can recharge using, and at intelligent television, in set-top box remote controller back cover, increase and can give wireless charging circuit of lithium battery, when economic environment-protective circulating utilizes, just can not be to intelligent television with opening remote controller, set-top box remote controller be full of electric energy, a new technology greatly convenient for users to use, to be worthy to be popularized.Utility model content
In order to solve problem in prior art, the utility model provides a kind of intelligent television and set-top box remote controller wireless charging circuit, and it comprises power circuit, high-frequency oscillating circuits, high-frequency power amplifying circuit, transmitting coil, receiving coil and rectifier filter circuit; Power circuit is connected with high-frequency power amplifying circuit with high-frequency oscillating circuits, high-frequency oscillating circuits is connected with high-frequency power amplifying circuit, high-frequency power amplifying circuit is connected with transmitting coil, and receiving coil is connected with rectifier filter circuit, and rectifier filter circuit is charged to rechargeable battery.
As further improvement of the utility model, described transmitting coil and receiving coil all adopt the enamelled wire of diameter 0.5mm ± 0.1mm around 12 ± 1 circles, and coil diameter is 80 ± 5mm.0.5mm ± 0.1mm represents that tolerance is 0.1mm, and scope is 0.4mm to 0.6mm, and this paper " ± " represents tolerance.
As further improvement of the utility model, rectifier filter circuit comprises that the radiofrequency signal to receiving carries out the circuit that rectification, filtering, step-down and voltage stabilizing are processed.
As further improvement of the utility model, described high-frequency oscillating circuits structure is as follows: it comprises triode Q1, ground connection after the base stage of the Q1 of triode is connected with crystal oscillator XTAL1, ground connection after the base stage of the Q1 of triode is connected with C9 with capacitor C 12, the base stage of the Q1 of triode is connected with power circuit by resistance R 4; The collector electrode of the Q1 of triode connects capacitor C 1 and capacitor C 8, and the other end of capacitor C 1 and capacitor C 8 is ground connection respectively; The emitter of the Q1 of triode is by resistance R 7 ground connection, and the emitter of the Q1 of triode is connected with high-frequency power amplifying circuit with resistance R 8 by capacitor C 13, and the emitter of the Q1 of triode is connected with in the middle of capacitor C 12 and capacitor C 9.
As further improvement of the utility model, described high-frequency power amplifying circuit structure is as follows: it comprises triode Q2, the base stage of triode Q2 is connected with resistance R 8, the base stage of triode Q2 is by capacitor C 14 ground connection, the grounded emitter of triode Q2, the collector electrode of triode Q2 connects with one end not being connected with ground of capacitor C 8 with after capacitor C 9 by slide rheostat L3 in parallel.
The beneficial effects of the utility model are:
Using wireless charging technology is current portable product development trend of the times, advantage is self-evident, particularly need the standby charged pool product that dispatches from the factory, with needing user to open product after a period of time, change battery battery is every, for the layman who is unfamiliar with product, due to the improper damage that causes product of assembling, often occur.And take the new technology of wireless charging technology, in easy to use, and can solve these trouble and worry.
Accompanying drawing explanation
Fig. 1 is the utility model system frame structure schematic diagram;
Fig. 2 is the utility model Colpitts oscillation circuit;
Fig. 3 is the utility model power amplification circuit;
Fig. 4 is the utility model transmitting, receiving coil circuit flow chart;
Fig. 5 is the utility model wireless charging circuit figure.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
The utility model principle:
Intelligent television and set-top box remote controller wireless charging system mainly utilize electromagnetic induction principle.Electromagnetic induction scheme is utilized transformer principle exactly, realizes the transmission of electric energy by the induction of primary and secondary coil.Radio energy transmission system based on this mode mainly comprises three parts, i.e. energy transmitting terminal, contactless transformer, energy receiving terminal.In sending coil, pass to alternating current, this electric current will form an alternating magnetic field in medium around, and the induced electromotive force producing in receiving coil can be powered to intelligent television, set-top box remote controller or charge the battery.The feature of this scheme is that energy receiving terminal is connected with secondary coil in intelligent remote controller back cover, can move flexibly, and circuit is simple, is easy to realize, and not can be used for required distance high but do not need the occasion of machinery and electrical connection.
Using wireless charging technology is current portable product development trend of the times, advantage is self-evident, particularly need the standby charged pool product that dispatches from the factory, with needing user to open product after a period of time, change battery battery is every, for the layman who is unfamiliar with product, due to the improper damage that causes product of assembling, often occur.And take the new technology of wireless charging technology, in easy to use, and can solve these trouble and worry.
Wireless power supply system comprises power circuit, high-frequency oscillating circuits, high-frequency power amplifying circuit, transmitting coil, receiving coil and rectifier filter circuit 5 parts, and system framework as shown in Figure 1, finally charges to rechargeable battery.Principle from radio-circuit transmission, electric energy, magnetic energy are along with the cycle in electric field and magnetic field changes with electromagnetic form to spatial, generate electromagnetic waves and first will have electromagnetic viscosimeter, electromagnetic frequency is higher, and it is just larger to space radiation energy intensity of force, the frequency of electromagnetic viscosimeter at least will, higher than 100KHz, just have enough electromagnetic radiation.
High-frequency oscillating circuits design: the Colpitts oscillation circuit consisting of Q1 high-frequency triode as shown in Figure 2;
The design circuit of power amplifier is as shown in Figure 3: field effect transistor belongs to voltage controlled element, it is a kind of triode that is similar to electron tube, compare with bipolar transistor, it is high that field-effect transistor has input impedance, and input power consumption is little, temperature stability is good, the features such as signal amplifies good stability, and distorted signals is little, and noise is low, and its amplification characteristic is also good than electronic triode, the higher-order of oscillation frequency of its resonance frequency and prime is identical.
Transmit and receive coil and all adopt the enamelled wire of diameter 0.5mm left and right around 12 circles, coil diameter is about 80mm.The effect of transmitter module is that DC energy is converted to rf power signal expeditiously, so that receiving circuit can make full use of, energy receiver module is the module of after the energy of prime, it being processed receiving.In order to meet the demand of practical application, the radiofrequency signal receiving need to be carried out to rectification, filtering, step-down and voltage stabilizing and process, the direct voltage after processing can be for other loads.This module mainly comprises rectification circuit and reduction voltage circuit.The selection scheme of wireless charging circuit is the wireless charging circuit that capacitance three-point type crystal oscillating circuit and power field effect pipe form.Circuit as shown in Figure 5.The charge efficiency of debugging this circuit by reality can reach 80.0% left and right.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (5)
1. intelligent television and a set-top box remote controller wireless charging circuit, is characterized in that: it comprises power circuit, high-frequency oscillating circuits, high-frequency power amplifying circuit, transmitting coil, receiving coil and rectifier filter circuit; Power circuit is connected with high-frequency power amplifying circuit with high-frequency oscillating circuits, high-frequency oscillating circuits is connected with high-frequency power amplifying circuit, high-frequency power amplifying circuit is connected with transmitting coil, and receiving coil is connected with rectifier filter circuit, and rectifier filter circuit is charged to rechargeable battery.
2. intelligent television according to claim 1 and set-top box remote controller wireless charging circuit, is characterized in that: described transmitting coil and receiving coil all adopt the enamelled wire of diameter 0.5mm ± 0.1mm around 12 ± 1 circles, and coil diameter is 80 ± 5mm.
3. intelligent television according to claim 1 and set-top box remote controller wireless charging circuit, is characterized in that: rectifier filter circuit comprises that the radiofrequency signal to receiving carries out the circuit that rectification, filtering, step-down and voltage stabilizing are processed.
4. intelligent television according to claim 1 and set-top box remote controller wireless charging circuit, it is characterized in that: described high-frequency oscillating circuits structure is as follows: it comprises triode Q1, ground connection after the base stage of the Q1 of triode is connected with crystal oscillator XTAL1, ground connection after the base stage of the Q1 of triode is connected with C9 with capacitor C 12, the base stage of the Q1 of triode is connected with power circuit by resistance R 4; The collector electrode of the Q1 of triode connects capacitor C 1 and capacitor C 8, and the other end of capacitor C 1 and capacitor C 8 is ground connection respectively; The emitter of the Q1 of triode is by resistance R 7 ground connection, and the emitter of the Q1 of triode is connected with high-frequency power amplifying circuit with resistance R 8 by capacitor C 13, and the emitter of the Q1 of triode is connected with in the middle of capacitor C 12 and capacitor C 9.
5. intelligent television according to claim 4 and set-top box remote controller wireless charging circuit, it is characterized in that: described high-frequency power amplifying circuit structure is as follows: it comprises triode Q2, the base stage of triode Q2 is connected with resistance R 8, the base stage of triode Q2 is by capacitor C 14 ground connection, the grounded emitter of triode Q2, the collector electrode of triode Q2 connects with one end not being connected with ground of capacitor C 8 with after capacitor C 9 by slide rheostat L3 in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420125395.3U CN203827014U (en) | 2014-03-19 | 2014-03-19 | Smart television and set-top box remote control wireless charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420125395.3U CN203827014U (en) | 2014-03-19 | 2014-03-19 | Smart television and set-top box remote control wireless charging circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203827014U true CN203827014U (en) | 2014-09-10 |
Family
ID=51482476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420125395.3U Expired - Fee Related CN203827014U (en) | 2014-03-19 | 2014-03-19 | Smart television and set-top box remote control wireless charging circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203827014U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106230056A (en) * | 2016-08-18 | 2016-12-14 | 成都众易通科技有限公司 | A kind of onboard wireless charging dress with support function |
| CN106451703A (en) * | 2016-11-24 | 2017-02-22 | 上海电机学院 | Universal wireless charge system |
| CN108392198A (en) * | 2018-02-11 | 2018-08-14 | 许少辉 | The signal anti-jamming circuit of electrocardiograph |
-
2014
- 2014-03-19 CN CN201420125395.3U patent/CN203827014U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106230056A (en) * | 2016-08-18 | 2016-12-14 | 成都众易通科技有限公司 | A kind of onboard wireless charging dress with support function |
| CN106451703A (en) * | 2016-11-24 | 2017-02-22 | 上海电机学院 | Universal wireless charge system |
| CN108392198A (en) * | 2018-02-11 | 2018-08-14 | 许少辉 | The signal anti-jamming circuit of electrocardiograph |
| CN108392198B (en) * | 2018-02-11 | 2021-07-23 | 吕焕芝 | Signal anti-interference circuit of electrocardiograph |
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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: 20140910 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |