CN202602385U - Wireless power transmission device - Google Patents
Wireless power transmission device Download PDFInfo
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- CN202602385U CN202602385U CN2012202170179U CN201220217017U CN202602385U CN 202602385 U CN202602385 U CN 202602385U CN 2012202170179 U CN2012202170179 U CN 2012202170179U CN 201220217017 U CN201220217017 U CN 201220217017U CN 202602385 U CN202602385 U CN 202602385U
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- wireless power
- direct current
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Abstract
The utility model discloses a wireless power transmission device. The wireless power transmission device comprises an electric energy transmission end and an electric energy receiving end, wherein the electric energy transmission end and the electric energy receiving end are connected with each other through wireless electromagnetic waves, the electric energy transmission end comprises a converting circuit, a voltage boosting circuit, an impulse input convertor, a drive circuit and a transmission inductor which are connected sequentially, the converting circuit converts input alternating current and/or input direct current into stable direct current and stores the stable direct current temporarily, the stable direct current which is stored temporarily is boosted through the voltage boosting circuit, the boosted direct current generates a high-frequency impulse through the impulse input convertor, the high-frequency impulse is transmitted to the transmission inductor through the drive circuit, and the transmission inductor transmits a high-frequency electromagnetic wave outwards. According to the wireless power transmission device, power lines are not required to be connected, and transmission in the wireless electromagnetic wave mode into electric devices is achieved, so that sufficient energy can be supplied to electric devices which can not be connected with power lines, service lives of electric devices are prolonged, maintenance costs are reduced, and the safety and the reliability of an electric system are improved.
Description
Technical field
The utility model relates to the electromagnetic transmission field, relates in particular to a kind of wireless power transmitting device.
Background technology
The problem that the at present open-air electric/electronic device that uses all exists energy to supply with because of the influence of its environment of living in, can not provide normal civil power to supply with, and adds all the year round in the also frequent used battery of manual maintenance replacing of the equipment of field work.Especially some terminal equipments of power industry, because of its environment of living in need near in addition contact high-tension electricity sometimes, and since safety factor can not directly connect power line and supply power.Therefore cause using equipment in the open air that following two kinds of situation are arranged: the one, low power dissipation design, the battery of equipped capacitor super large, after battery life finishes, direct exchange device more; The 2nd, utilize the green energy resource that exists in the open-air environment, like solar energy or wind energy.
As everyone knows; Power supply must be connected and could be supplied power by power lead, and the lead cost is high, the raw material of labor; And do not suit to connect transmission of electricity with lead in some specific occasion; Like this, bring a lot of inconvenience for the normal operation of the electric/electronic device of these special occasions, as near the power line, field etc.If utilize green energy resources such as wind energy or solar energy, because of it receives such environmental effects excessive, can not guarantee the power supply of the long-term stability of equipment, and maintenance cost is higher.
The utility model content
The technical problem that the utility model will solve is, can't guarantee sufficient power and the high defective of maintenance cost to prior art, and a kind of sufficient power and wireless power transmitting device that reduces maintenance cost of guaranteeing is provided.
The utility model solves the technical scheme that its technical problem adopted: a kind of wireless power transmitting device is provided; It comprises through interconnective electric energy transmitting terminal of radio magnetic wave and electric energy receiving terminal; Wherein, Said electric energy transmitting terminal comprises change-over circuit, booster circuit, pulse input translator, drive circuit and the emission inductance that connects successively, and said change-over circuit converts alternating current of being imported and/or direct current to the stable DC electricity, and with the temporary transient storage of this stable DC electricity; The direct current that to temporarily store through said booster circuit then boosts; Direct current after boosting produces high-frequency impulse through said pulse input translator, and said high-frequency impulse is sent to said emission inductance through said drive circuit, and said emission inductance is outwards launched frequency electromagnetic waves.
Preferably, said change-over circuit is AC/DC transducer or DC/DC transducer.
Preferably, said high-frequency impulse is the non-sine high-frequency impulse.
Preferably, said pulse input translator comprises FPGA and the peripheral circuit thereof that is used to export variable length pulse.
Preferably; Said electric energy receiving terminal comprises receiving inductance, voltage stabilizing circuit and the inverse conversion circuit that connects successively; Wherein, Said receiving inductance receives the electric energy that transforms with said high-frequency electromagnetic waveshape, and said electric energy is carried out rectifying and voltage-stabilizing to said voltage stabilizing circuit and with its temporary transient storage, said inverse conversion circuit is with voltage stabilizing and temporary transient electric energy stored converts direct current to and/or alternating current is externally exported.
Preferably, said inverse conversion circuit is DC/AC transducer or DC/DC transducer.
Preferably, between said emission inductance and said receiving inductance, produce the electromagnetic energy passage.
Preferably, said direct current and/or alternating current are that power consumption equipment or load provide power supply.
Implement the technical scheme of the utility model; Have following beneficial effect: this technical scheme need not connect power line, can realize transferring to power consumption equipment or load with the mode of radio magnetic wave, makes the power consumption equipment or the load that can't directly connect power line obtain sufficient energy supply; Like this; Can improve the useful life of power consumption equipment or load, reduce maintenance cost, and improve the security reliability of electric power system.
Description of drawings
To combine accompanying drawing and embodiment that the utility model is described further below, in the accompanying drawing:
Fig. 1 is the structural representation of the wireless power transmitting device of the utility model;
Fig. 2 is the circuit diagram of the utility model booster circuit;
Fig. 3 is the circuit diagram of the utility model drive circuit;
Fig. 4 is the circuit diagram of four power switch pipes of the utility model;
Fig. 5 is the circuit diagram of the utility model voltage stabilizing circuit.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
See also Fig. 1; Fig. 1 is the structural representation of the wireless power transmitting device of the utility model; As shown in Figure 1, this wireless power transmitting device comprises through interconnective electric energy transmitting terminal 1 of radio magnetic wave and electric energy receiving terminal 2, wherein; Said electric energy transmitting terminal 1 comprises change-over circuit 11, booster circuit 12, pulse input translator 13, drive circuit 14 and the emission inductance 15 that connects successively, and said electric energy receiving terminal 2 comprises receiving inductance 21, voltage stabilizing circuit 22 and the inverse conversion circuit 23 that connects successively.What need explanation is between said emission inductance 15 and said receiving inductance 21, to produce the electromagnetic energy passage; In the present embodiment; Said pulse input translator comprises FPGA (the Field Programmable Gate Array that is used to export variable length pulse; What field programmable gate array) and peripheral circuit, should be noted that this FPGA produces is the variable length pulse of high frequency single-polarity; Those skilled in the art should understand, and repeats no more at this.
Should be noted that said change-over circuit 11 is AC/DC transducer or DC/DC transducer, that is to say,, alternating current is carried out the AC/DC conversion if input is alternating current; If input is galvanic words, direct current is carried out the DC/DC conversion, alternating current of being imported and/or direct current will convert galvanic current to and become galvanic current.
Said inverse conversion circuit 23 is DC/AC transducer or DC/DC transducer, and the course of work of the course of work of inverse conversion circuit 23 and change-over circuit 11 is opposite, and those skilled in the art should know, repeat no more.
In the present embodiment; The circuit of booster circuit 12 is as shown in Figure 2; This circuit is stored in the direct current of being imported in the primary inductance with energy through switching tube, and the direct current of antiphase is outputed to secondary inductance, last shaping filter output; Those skilled in the art should understand, and repeats no more at this; The circuit of drive circuit 13 is as shown in Figure 3, will be by the variable length pulse of the high frequency single-polarity that FPGA produced through overdrive circuit 13 driving switch pipes, in the present embodiment; This drive circuit 13 is made up of four groups of chip for driving, drives four power switch pipes shown in Fig. 4 respectively, and these four power switch pipes are respectively GS1, GS2, GS3 and GS4; In conjunction with Fig. 3 and Fig. 4; Those skilled in the art should understand, and during GS1 and GS4 conducting simultaneously, GS2 and GS3 also end simultaneously; During GS2 and GS3 conducting simultaneously, GS1 and GS4 also end simultaneously, repeat no more at this.
In the present embodiment, the circuit of voltage stabilizing circuit 22 is as shown in Figure 5, after receiving inductance 21 is received electric energy, and this electric energy is carried out rectifying and voltage-stabilizing and with its temporary transient storage, and through said inverse conversion circuit 23 externally corresponding direct current of output and/or alternating currents.
Sketch the operation principle of this wireless power transmitting device in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5: said change-over circuit 11 converts alternating current of being imported and/or direct current to galvanic current; So that said direct current is temporarily stored with the form of electric flux; And the said direct current after will temporarily storing through said booster circuit 12 boosts; And the said direct current after will boosting produces high-frequency impulse through said pulse input translator 13; Thereby said high-frequency impulse is sent to said emission inductance 15 through said drive circuit 14, so that it is with the electromagnetic wave outside emission of high frequency.After said receiving inductance 21 receives the electric energy that transforms with said electromagnetic wave form, carry out rectifying and voltage-stabilizing and with its temporary transient storage, and externally export corresponding direct current and/or alternating currents through said inverse conversion circuit 23 through 22 pairs of said electric energy of said voltage stabilizing circuit.Should be noted that wherein said high-frequency impulse is the non-sine high-frequency impulse; Said direct current and/or alternating current are that power consumption equipment or load provide power supply, that is to say, direct current of being exported and/or alternating current can be the equipment or the load of different needs for electricity and use, and repeat no more at this.
Compared to prior art; This technical scheme need not connect power line, can realize transferring to power consumption equipment or load with the mode of radio magnetic wave, makes the power consumption equipment or the load that can't directly connect power line obtain sufficient energy supply; Like this; Can improve the useful life of power consumption equipment or load, reduce maintenance cost, and improve the security reliability of electric power system.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the claim scope of the utility model.
Claims (8)
1. wireless power transmitting device; It is characterized in that; It comprises that through interconnective electric energy transmitting terminal of radio magnetic wave and electric energy receiving terminal wherein, said electric energy transmitting terminal comprises change-over circuit, booster circuit, pulse input translator, drive circuit and the emission inductance that connects successively; Said change-over circuit converts alternating current of being imported and/or direct current to stable DC; And with the temporary transient storage of this stable DC electricity, the direct current that will temporarily store through said booster circuit then boosts, and the direct current after boosting produces high-frequency impulse through said pulse input translator; Said high-frequency impulse is sent to said emission inductance through said drive circuit, and said emission inductance is outwards launched frequency electromagnetic waves.
2. wireless power transmitting device according to claim 1 is characterized in that, said change-over circuit is AC/DC transducer or DC/DC transducer.
3. wireless power transmitting device according to claim 1 is characterized in that, said high-frequency impulse is the non-sine high-frequency impulse.
4. wireless power transmitting device according to claim 1 is characterized in that, said pulse input translator comprises FPGA and the peripheral circuit thereof that is used to export variable length pulse.
5. wireless power transmitting device according to claim 1; It is characterized in that; Said electric energy receiving terminal comprises receiving inductance, voltage stabilizing circuit and the inverse conversion circuit that connects successively, and wherein, said receiving inductance receives the electric energy that transforms with said high-frequency electromagnetic waveshape; Said electric energy is carried out rectifying and voltage-stabilizing to said voltage stabilizing circuit and with its temporary transient storage, said inverse conversion circuit is with voltage stabilizing and temporary transient electric energy stored converts direct current to and/or alternating current is externally exported.
6. wireless power transmitting device according to claim 5 is characterized in that, said inverse conversion circuit is DC/AC transducer or DC/DC transducer.
7. wireless power transmitting device according to claim 5 is characterized in that, between said emission inductance and said receiving inductance, produces the electromagnetic energy passage.
8. wireless power transmitting device according to claim 5 is characterized in that, said direct current and/or alternating current are that power consumption equipment or load provide power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202170179U CN202602385U (en) | 2012-05-15 | 2012-05-15 | Wireless power transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202170179U CN202602385U (en) | 2012-05-15 | 2012-05-15 | Wireless power transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202602385U true CN202602385U (en) | 2012-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202170179U Expired - Fee Related CN202602385U (en) | 2012-05-15 | 2012-05-15 | Wireless power transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202602385U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562824A (en) * | 2018-06-20 | 2018-09-21 | 武汉讯康电子技术有限公司 | A kind of electric cable failure detector |
-
2012
- 2012-05-15 CN CN2012202170179U patent/CN202602385U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562824A (en) * | 2018-06-20 | 2018-09-21 | 武汉讯康电子技术有限公司 | A kind of electric cable failure detector |
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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: 20121212 Termination date: 20200515 |
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| CF01 | Termination of patent right due to non-payment of annual fee |