CN203774882U - Wireless power wall-passing transmission device - Google Patents
Wireless power wall-passing transmission device Download PDFInfo
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- CN203774882U CN203774882U CN201420148545.2U CN201420148545U CN203774882U CN 203774882 U CN203774882 U CN 203774882U CN 201420148545 U CN201420148545 U CN 201420148545U CN 203774882 U CN203774882 U CN 203774882U
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Abstract
The utility model discloses a wireless power wall-passing transmission device which comprises a sending-end socket and a receiving-end socket arranged at the two sides of the wall body respectively. The sending-end socket is internally provided with a rectification filtering voltage regulator circuit, a high-frequency inverter circuit and a resonance transmission circuit having a sending coil which are connected in sequence. After a commercial power AC power supply is accessed, the sending coil generates electric energy resonance pulses. The receiving-end socket is internally provided with a resonance receiving circuit with a receiving coil, a rectification filtering voltage regulator circuit, and a low-frequency inverter circuit which are connected in sequence. The magnetic resonance coupling principle is utilized; and the receiving coil enables the received electric energy resonance pulses from the sending-end socket to be subjected to rectification filtering voltage regulation, and then a 220V and 50 Hz AC power is output through the low-frequency inverter circuit. The wireless power wall-passing transmission device realizes the power wireless wall-passing transmission; and the device is simple in structure, low in cost, and wide in application.
Description
Technical field
The utility model relates to the radio transmission technical field of electric energy, is the wireless wall transmitting device of crossing of a kind of electric energy specifically.
Background technology
Electric energy wireless transmission (WPT), refers to a kind of Energy Transfer mode of not passing through electric direct contact of electric energy from power supply to load.According to the difference of transporting mechanism, electric energy wireless transmission can roughly be divided three classes.The one, magnetic coupling induction type, mechanism is similar to separable transformer, and air gap has partly replaced iron core, and feature is that efficiency of transmission is high, but transmission range only has several millimeters, and after distance increases, efficiency of transmission declines rapidly, and its practicality is very low; The 2nd, with microwave or laser form, by dual-mode antenna, carry out Energy Transfer, transmission range is far away, but the efficiency utmost point is extremely low; The 3rd, resonance manifold type, utilizes resonance principle, when moderate distance (be generally transmission coil diameter several times) transmission, still has higher efficiency and larger power.
Application publication number is that CN202888975U utility model patent proposes a kind of safe electric energy wireless transmission socket, comprises the permanent circuit part that is installed on metope and hand-holdable walking circuit part.But the transmission of the radio energy of this patent is at air dielectric, and receiving terminal is mobile, do not show and the wireless transmission problem of electric energy when solution has barrier (in body of wall).
Application publication number is the patent of CN102280941A, relates to a kind of non-contact type electric energy radio transmitting device, relates in particular to a kind ofly by sending electromagnetic wave principle, to realize the wireless easy device conducting electricity.But this patent is mainly the principle that has proposed a kind of electric energy wireless transmission, do not provide concrete device scheme and structure, also clearly not mentioning can be in the transmission of barrier (in body of wall).
Existing data shows, wireless partition wall transmission of data signals is successfully, and is using in a large number, as wireless router etc., but partition wall wirelessly transmitting electrical energy is there are no data introduction, do not see realization, also do not see relevant patent.
Summary of the invention
The purpose of this utility model is for above-mentioned deficiency of the prior art, provides a kind of electric energy the wireless wall transmitting device of crossing.
The utility model utilizes resonance manifold type to carry out the wireless transmission of crossing wall of electric energy, the thickness of general body of wall is at 30-50cm, due to the normally nonmagnetic barrier of body of wall, adopt the electric energy wireless transmission principle of resonance manifold type, by the both sides at wall, adopt the reception of array locate mode and send coil, take into account to a certain extent the contradiction of transmission range and efficiency of transmission, effectively realized the object of partition wall wirelessly transmitting electrical energy.
The purpose of this utility model is achieved through the following technical solutions:
Electric energy is wireless, and mistake wall transmitting device comprises transmitting terminal socket and the receiving terminal socket that lays respectively at body of wall both sides, in transmitting terminal socket, be provided with rectification filtering voltage stabilizing circuit, the high-frequency inverter circuit of the AC/DC conversion connecting successively and contain the resonance transtation mission circuit that sends coil, after the access of mains ac power supply, high-frequency inverter circuit, for coil provides High Frequency Sine-wave Current, produces electric energy resonant pulses on transmission coil; In receiving terminal socket, be provided with the resonance receiving circuit with receiving coil, rectification filtering voltage stabilizing circuit and the low frequency inverter circuit that connect successively, described receiving coil and described transmission coil are the resonant body with same frequency, after the electric energy resonant pulses that derives from transmitting terminal socket that receiving coil receives, from the AC energy of low frequency inverter circuit output 220V, 50Hz.From resonance coupling basic principle, when supply frequency is identical with dispatch coil natural frequency, transmission performance is best.
Receiving terminal socket can be fixed on body of wall, or moves in transmitting terminal socket air line distance is less than the scope of 1 meter.But transmitting terminal socket and receiving terminal socket air line distance are nearer, and delivery of electrical energy efficiency is higher.Therefore, in more excellent scheme, transmitting terminal socket is fixed on the wall of body of wall one side, and receiving terminal socket correspondence is located at body of wall opposite side.Body of wall is non magnetic barrier.
Major technique comprises: the technology of high-frequency inversion, resonance compensation, resonance coupling and four aspects of commutation inversion.
(1) high-frequency inversion.By rectification circuit, convert the AC power of input to direct current, this direct current converts the alternating current of high frequency to by inversion, requires this circuit to have that stability is high, fail safe good, efficiency is high, loss is little, antijamming capability is strong, control the features such as simple.Fig. 2 is the utility model high-frequency inverter circuit basic structure theory diagram.
(2) resonance coupling.The resonance coupling of air core coil is part most crucial in whole transmission system, and it is the basis of realizing electric energy wireless transmission.Because transmitting terminal coil has passed through high-frequency ac current, this high-frequency alternating electric current is flowed through and just to it, is sent electromagnetic energy around when electric energy sends coil, under the effect of resonance coupling principle, receiving terminal coil just produces resonance with transmitting terminal coil, and in receiving terminal coil, produces the induced current of same frequency.
(3) resonance compensation.Resonance manifold type wireless electric energy transmission system is by the close coupling of transmitting terminal and receiving terminal coil, realized the wireless transmission of electric energy, but the inherent characteristic due to air core coil self structure, make the leakage field phenomenon of system magnetic circuit coupling mechanism very serious, reactive power in system is too large, thus serious restriction transmittability and the efficiency of transmission of system.Resonance compensation technology can effectively compensate the reactive power in delivery of electrical energy network, and can reduce the voltage and current stress of power supply, reduces the reactive power of even eliminating whole system, improves transmittability and the efficiency of transmission of system.Therefore be necessary the transmitting terminal of system and receiving terminal coil inductance to compensate.
(4) commutation inversion.Convert the high-frequency alternating current receiving to suitable direct current, another mistake becomes the alternating current of 220V/50Hz.Common current rectifying and wave filtering circuit is all that the alternating current of low frequency is carried out to rectifying and wave-filtering, and wireless electric energy transmission system receiving terminal receives, it is all often high-frequency alternating current, the operating frequency of system is higher, so common rectifying tube can not meet the demands, adopting the Schottky diode of fast recovery type is reasonable selection.Filter capacitor should not adopt electrochemical capacitor, because the applicable peak frequency of electrochemical capacitor is generally in 500KHZ left and right, is suitable for use in low-frequency filter circuit.And the equivalent inductance of ceramic disc capacitor is little, operating frequency is high, is applicable to high-frequency filter circuit.
Resonance manifold type electric energy transmission technology has same frequency " resonant body " by two to carry out electromagnetic coupled and produces resonance and realize Energy Transfer.Generally, at a distance of two charged objects of certain distance each other be coupled as weak coupling, once but self resonance frequency of two charged objects reaches consistent, will produce strong magnetic Field Coupling between the two, transmitting terminal is continually for system provides electric energy, and receiving terminal will constantly consume electric energy, so just realized the stable and effective electric energy wireless transmission of relatively long distance.And antijamming capability is strong, between sending and receiving end, can there is non magnetic barrier, realized easily without wire and being directly connected, just energy partition wall transmits the effect of electric energy.
The utlity model has following outstanding beneficial effect:
1, effectively solved that brill wall burrows and threading problem, owing to not needing to bore wall, burrow, brought convenience to people's life, the position burrowing at some uncomfortable bench drill walls, or be difficult to bore the situation that wall burrows, by using the wireless wall jockey of crossing of electric energy of this project, just can be for power supply be provided in room.
2, safety, mains side does not have electric wire to be directly connected with load-side, has played buffer action to a certain degree, and mains side and load-side break down and can not cause terminal device to be damaged.
3, antijamming capability is strong, within the scope of 30-50cm body of wall, is not subject to the impact of body of wall, can effectively transmit electric energy.
4, simple in structure, cost is low, be widely used, electromagnetic radiation value is minimum, almost nil to the harm of environment and human body, application prospect is extensive, has very high economy and social value.
Accompanying drawing explanation
Fig. 1 is the wireless wall transmitting device structural representation of crossing of the utility model electric energy;
Fig. 2 is the utility model medium-high frequency inverter circuit theory diagram;
Fig. 3 is electric energy resonance transmitter/receiver circuit figure;
Fig. 4 is low frequency inverter circuit figure
Fig. 5 is the wireless wall transmission scheme of installation of crossing of electric energy;
In figure, 1-transmitting terminal socket, 2-rectification filtering voltage stabilizing circuit, 3-high-frequency inverter circuit, 4-resonance transtation mission circuit, 5-sends coil, 6-receiving coil, 7-resonance receiving circuit, 8-rectification filtering voltage stabilizing circuit, 9-low frequency inverter circuit, 10-receiving terminal socket, A-body of wall.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Embodiment
Referring to accompanying drawing 1: a kind of electric energy is wireless crosses wall transmitting device, this electric energy is wireless, and mistake wall transmitting device comprises transmitting terminal socket 1 and the receiving terminal socket 10 that lays respectively at body of wall both sides, in transmitting terminal socket 1, be provided with rectification filtering voltage stabilizing circuit 2, high-frequency inverter circuit 3, the resonance transtation mission circuit 4 connecting successively and send coil 5, after external power supply access rectification filtering voltage stabilizing circuit 2, by sending coil 5, produce electric energy resonant pulses; In receiving terminal socket 10, be provided with the resonance receiving circuit 7 with receiving coil 6, rectification filtering voltage stabilizing circuit 8 and the low frequency inverter circuit 9 that connect successively, receiving coil 6 is the resonant body with same frequency with described transmission coil 5, after the electric energy resonant pulses that derives from transmitting terminal socket 1 that receiving coil 6 receives, by the AC energy of low frequency inverter circuit 9 output 220V, 50Hz.
After external power supply access transmitting terminal socket 1, through rectification filtering voltage stabilizing circuit 2 rectifying and wave-filterings, become direct current, by high-frequency inverter circuit 3, produce high-frequency ac current, through resonance transtation mission circuit 4, provide high-frequency resonant pulse, by the electromagnetic field resonance sending between coil 5 and the receiving coil 6 of receiving terminal socket 10, be coupled, the electromagnetic energy resonance that sends coil 5 transmission is coupled to receiving coil 6, now electric current is still high-frequency current, receiver side through demodulation, rectifying and wave-filtering and inversion, offers power consumption equipment by the AC energy output of 220V, 50Hz by the electric energy receiving.The position of receiving coil 6 can change in transmitting terminal socket air line distance is less than the scope of 1 meter, and the transformer in this and Switching Power Supply is very different.In addition, receiving coil 6 can keep state relatively static or motion, applicable to different application scenarios.
Accompanying drawing 2 is high-frequency inverter circuit basic functional principle block diagram: high-frequency inverter circuit 3 is comprised of DC power supply input, DC inversion and inversion control three parts, and wherein key component is that SPWM drives, pulse width modulating technology.
Accompanying drawing 3 is electric energy resonance transmitter/receiver circuit figure: drive circuit is sent into ac square wave signal by sending coil 5, metal-oxide-semiconductor Q4, capacitor C 2 and transformer T1 and formed primary coil, primary coil sends to secondary coil the coupling of energy resonance, the transformer T1 that is 1:500 by turn ratio carries out voltage amplification, by diode D3, D4, D5 and D6 form bridge rectifier rectification and C3 smothing filtering, and the direct voltage obtaining is delivered to power supply unit.Drive circuit adopts 12V DC power supply, when square-wave signal is high level, and triode Q1 conducting, the VCE of Q1 is less, so that triode Q2, Q3 all end.Therefore the grid of metal-oxide-semiconductor Q4 is in high-impedance state (metal-oxide-semiconductor Q4 is in cut-off state), i.e. not conducting of electronic switch, sends coil 5 and can not send outward electric energy.When square wave is low level, triode Q1 cut-off, the C utmost point place of Q1 is high level, now, the equal conducting of triode Q2, Q3.Therefore the grid of metal-oxide-semiconductor Q4 is in high level, and metal-oxide-semiconductor Q4 is in conducting state, i.e. electronic switch conducting, sends coil 5 and send outward electric energy.
In accompanying drawing 4, be low frequency inverter circuit, employing be to take the inverter circuit that TL494 is core, in Fig. 4, VT1, VT2, VD3, VD4 form and fill with current driving circuit, drive the switch mosfet pipe of each two 60V/30A of two-way.1st, 2 pin form voltage stabilizing sampling, error amplification system, and the 12V direct voltage of the secondary sampling winding of normal phase input end 1 pin input inverter rectification output, through R1, R2 dividing potential drop, makes the 1st pin when inverter is normally worked, have nearly 4.7～5.6V sampling voltage.Inverting input 2 pin input 5V reference voltages (being exported by 14 pin).When output voltage reduces, 1 pin lower voltage, error amplifier output low level, raises output voltage by pwm circuit.When normal, 1 pin magnitude of voltage is 5.4V, and 2 pin magnitudes of voltage are 5V, and 3 pin magnitudes of voltage are 0.06V.Now exporting AC voltage is 235V (square-wave voltage).The external R6 of the 4th pin, R4, C2 set Dead Time.Normal voltage value is 0.01V.5th, the external CT of 6 pin, RT setting oscillator triangular wave frequency is 100Hz.When normal, 5 pin magnitudes of voltage are 1.75V, and 6 pin magnitudes of voltage are 3.73V.The 7th pin is for altogether.8th, 11 pin are internal drive output triode collector electrode, and the 12nd pin is TL494 prime feeder ear, and the 9th, 10 pin are that internal drive level triode sends the utmost point, the different positive pulse of output two-way sequential.When normal, magnitude of voltage is 1.8V.13rd, 14,15 pin, 14 pin output 5V reference voltages wherein, make 13 pin have 5V high level, control gate circuit, and trigger output two-way driving pulse, for push-pull switching circuit.The external 5V voltage of the 15th pin, forms error amplifier anti-phase input reference voltage, so that in-phase input end 16 pin form high level protection input.In this connection, when the 16th pin input is greater than the high level of 5V, can reduce output voltage by pressure stabilization function, or turn-off driving pulse and realize protection.The possibility of exporting superpressure in its exciting converter does not almost have, thus the 16th pin use not in this circuit, by resistance R 8 ground connection.
Referring to accompanying drawing 5: in use, transmitting terminal socket 1 and receiving terminal socket 10 are respectively in the both sides of room body of wall A, between two sockets, by resonance manifold type, carry out the wireless transmission of electric energy, concrete load can directly be linked on receiving terminal socket 10 and get final product electricity consumption as the plug of illumination or electrical equipment.
Be more than preferred embodiment of the present utility model, all changes of doing according to technical solutions of the utility model, when the function producing does not exceed the scope of technical solutions of the utility model, all belong to protection range of the present utility model.
Claims (4)
1. the wireless wall transmitting device of crossing of an electric energy, it is characterized in that, this electric energy is wireless, and mistake wall transmitting device comprises transmitting terminal socket (1) and the receiving terminal socket (10) that lays respectively at body of wall both sides, in described transmitting terminal socket (1), be provided with rectification filtering voltage stabilizing circuit (2), high-frequency inverter circuit (3), the resonance transtation mission circuit (4) connecting successively and send coil (5), external power supply produces electric energy resonant pulses by described transmission coil (5) after accessing described rectification filtering voltage stabilizing circuit (2); In described receiving terminal socket (10), be provided with resonance receiving circuit (7), rectification filtering voltage stabilizing circuit (8) and the low frequency inverter circuit (9) of the band receiving coil (6) connecting successively, described receiving coil (6), is exported from described low frequency inverter circuit (9) after the electric energy resonant pulses that derives from described transmitting terminal socket (1) that receiving coil (6) receives for having the resonant body of same frequency with described transmission coil (5).
2. electric energy according to claim 1 is crossed wall radio transmitting device, it is characterized in that, described receiving terminal socket (10) is fixed on body of wall, or mobile in described transmitting terminal socket (1) air line distance is less than the scope of 1 meter.
3. electric energy according to claim 2 is crossed wall radio transmitting device, it is characterized in that, described transmitting terminal socket (1) is fixed on the wall of body of wall one side, and described receiving terminal socket (10) correspondence is located at body of wall opposite side.
4. electric energy according to claim 1 is crossed wall radio transmitting device, it is characterized in that, described body of wall is non magnetic barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420148545.2U CN203774882U (en) | 2014-03-31 | 2014-03-31 | Wireless power wall-passing transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420148545.2U CN203774882U (en) | 2014-03-31 | 2014-03-31 | Wireless power wall-passing transmission device |
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| Publication Number | Publication Date |
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| CN203774882U true CN203774882U (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420148545.2U Expired - Fee Related CN203774882U (en) | 2014-03-31 | 2014-03-31 | Wireless power wall-passing transmission device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904784A (en) * | 2014-03-31 | 2014-07-02 | 南京信息工程大学 | Electric energy wireless wall-penetrating transmission device |
| CN106059364A (en) * | 2016-08-11 | 2016-10-26 | 重庆大学 | High frequency emission source used for wireless electric energy transmission system |
| CN107907242A (en) * | 2017-10-25 | 2018-04-13 | 河海大学 | A kind of high voltage bus tie point passive contact-free temperature measuring equipment |
| CN108616213A (en) * | 2016-12-13 | 2018-10-02 | 中惠创智（深圳）无线供电技术有限公司 | A kind of magnetic resonance front end of emission, chip and power device drive circuit |
-
2014
- 2014-03-31 CN CN201420148545.2U patent/CN203774882U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904784A (en) * | 2014-03-31 | 2014-07-02 | 南京信息工程大学 | Electric energy wireless wall-penetrating transmission device |
| CN106059364A (en) * | 2016-08-11 | 2016-10-26 | 重庆大学 | High frequency emission source used for wireless electric energy transmission system |
| CN106059364B (en) * | 2016-08-11 | 2018-11-23 | 重庆大学 | A kind of sources of high frequency emissions for radio energy transmission system |
| CN108616213A (en) * | 2016-12-13 | 2018-10-02 | 中惠创智（深圳）无线供电技术有限公司 | A kind of magnetic resonance front end of emission, chip and power device drive circuit |
| CN108616213B (en) * | 2016-12-13 | 2020-08-07 | 中惠创智（深圳）无线供电技术有限公司 | Magnetic resonance emission front end, chip and power device driving circuit |
| CN107907242A (en) * | 2017-10-25 | 2018-04-13 | 河海大学 | A kind of high voltage bus tie point passive contact-free temperature measuring equipment |
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Legal Events
| Date | Code | Title | Description |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20160331 |