CN104578349A - Wireless charger and wireless charging system - Google Patents
Wireless charger and wireless charging system Download PDFInfo
- Publication number
- CN104578349A CN104578349A CN201510051909.4A CN201510051909A CN104578349A CN 104578349 A CN104578349 A CN 104578349A CN 201510051909 A CN201510051909 A CN 201510051909A CN 104578349 A CN104578349 A CN 104578349A
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- transmitting terminal
- wireless charging
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- 238000012544 monitoring process Methods 0.000 claims abstract description 32
- 230000008878 coupling Effects 0.000 claims abstract description 11
- 238000010168 coupling process Methods 0.000 claims abstract description 11
- 238000005859 coupling reaction Methods 0.000 claims abstract description 11
- 239000011159 matrix material Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000005670 electromagnetic radiation Effects 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
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- H02J7/025—
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a wireless charger and a wireless charging system. The wireless charger comprises a power supply unit, a plurality of power units, a plurality of primary coils arranged in an array manner, a plurality of phase adjusting units and a transmitting terminal digital signal processor. The power units are in one-to-one connection with the primary coils. The phase adjusting units are connected between the power units and the transmitting terminal digital signal processor. The wireless charger further comprises transmitting terminal monitoring units connected between the transmitting terminal digital processor and the power units; the transmitting terminal monitoring units can monitor coupling conditions of the primary coils and remind the transmitting terminal digital signal processor to adjust magnetic lines of force of the primary coils; transmission energy loss is reduced, charging efficiency is improved, and safety of electromagnetic radiation is improved.
Description
Technical field
The present invention relates to a kind of wireless charging device and wireless charging system, particularly relate to a kind of wireless charging device and the wireless charging system with the some coils arranged in a matrix fashion.
Background technology
Wireless power transmission refers to alternative traditional wire cable, wirelessly to the electric energy supply technology that the battery of radio-based electronic devices etc. charges.Because wireless power transmission technology has when charging to electronic equipment etc.; even if power supply need not be connected to electronic equipment from supply socket by wire cable; still can wirelessly to the advantage that electronic equipment etc. charges; at present, the correlative study of wireless power transmission technology presents very active trend.
But, what current wireless charging device adopted mostly is 1 to 1 the supporting mode of charging, device-specific wireless charging device.From the principle of wireless charging, only have the magnetic line of force of primary coil all by secondary coil, so could reduce the leakage of space radiation energy to greatest extent.So, just require primary coil and secondary coil coupling closely, to reduce the leakage of emittance, improve the efficiency of Energy Transfer.So just require that position between electronic equipment and wireless charging device is strictly to it, tight to ensure the coupling of primary coil and secondary coil.So just bring very large inconvenience to user, once it is bad to be coupled, just causes the leakage of transmitting energy, not only bring energy transmission loss, even cannot charge under serious conditions, also bring radiation safety problem simultaneously.In addition, 1 to 1 matching method, a wireless charging device specifically can only be charged by charging device to one, the general wireless charging device of multiple electronic equipment cannot be realized, objectively cause the waste of resource.
Certainly, it is the power increasing charging that inventor is found a small amount of manufacturer, coil is arranged with the matching method of multi-to-multi, coil arranges with matrix method,, obviously there is each primary coil and secondary coil alignment defective tightness, cause the defective tightness that is coupled in this mode, the magnetic line of force of some is in non-coupled state, causes the leakage of transmitting energy.
Summary of the invention
The object of the present invention is to provide a kind of wireless charging device and wireless charging system with the loss of reduction transmitting energy.
For realizing aforementioned object, the present invention adopts following technical scheme: a kind of wireless charging device, it comprises power-supply unit, some power cells, the some primary coils arranged in a matrix fashion, some phasing units and a transmitting terminal digital signal processor, described power-supply unit connects power cell to provide power supply signal, described power cell is connected one by one with primary coil, described phasing unit is connected between each power cell and transmitting terminal digital signal processor, described wireless charging device also comprises the transmitting terminal monitoring means be connected between transmitting terminal digital signal processor and each power cell, described transmitting terminal monitoring means can monitor the coupling scenario of primary coil and point out transmitting terminal digital signal processor to remove to adjust the magnetic line of force of primary coil.
The present invention also can adopt following technical scheme: a kind of wireless charging system, it comprises wireless charging device and power device, described wireless charging device is with thinking that this power device charges, described wireless charging device comprises power-supply unit, some power cells, the some primary coils arranged in a matrix fashion, some phasing units and a transmitting terminal digital signal processor, described power-supply unit connects power cell to provide power supply signal, described power cell is connected one by one with primary coil, described phasing unit is connected between each power cell and transmitting terminal digital signal processor, described power device comprises magnetic sheet, be arranged in the battery unit with the secondary coil be coupled with primary coil and stored energy on magnetic sheet, described wireless charging device also comprises the transmitting terminal monitoring means be connected between transmitting terminal digital signal processor and each power cell, described transmitting terminal monitoring means can monitor the coupling scenario of primary coil and secondary coil and point out transmitting terminal digital signal processor to remove to adjust the magnetic line of force of primary coil.
Wireless charging device of the present invention and wireless charging system can utilize transmitting terminal monitoring means to monitor the coupling scenario of primary coil, the quantity of the magnetic line of force of prompting transmitting terminal signal processor adjustment primary coil and secondary coil, when primary coil and the non-complete matching of secondary coil, eliminate the magnetic line of force having neither part nor lot in coupling, only retain the magnetic line of force being in couple state, reduce the leakage of space radiation energy to greatest extent, reduce the waste of power supply energy, reduce the loss of transmitting energy, promote charge efficiency, improve the security performance of electromagnetic radiation simultaneously.
Accompanying drawing explanation
Fig. 1 is the floor map of wireless charging system of the present invention.
Fig. 2 is the floor map of wireless charging device of the present invention.
Fig. 3 is the floor map of the power device of wireless charging system of the present invention.
Embodiment
Refer to shown in Fig. 1, wireless charging system 100 of the present invention comprises wireless charging device 10 and power device 20, and wireless charging device 10 is with thinking that this power device 20 charges.
Refer to shown in Fig. 2, wireless charging device 10 comprises power-supply unit 11, some power cells 12, the some primary coils 13 arranged in a matrix fashion, some phasing units 14, transmitting terminal monitoring means 15, transmitting terminal sensing unit 16 and transmitting terminal digital signal processor 17.
Power-supply unit 11 is connected with external power supply circuit, and ac current signal is converted to DC current signal, is transferred to power cell 12.
Power cell 12, in order to the power supply signal from power-supply unit 11 is converted to magnetic induction signal, sends to power device 20 by the magnetic line of force of primary coil 13, and power cell 12 can adopt low-power or high power unit according to demand.Each power cell 12 is connected to transmitting terminal monitoring means 15 separately, makes transmitting terminal monitoring means 15 can learn effective magnetic line of force that each primary coil 13 is received by power device 20.Power cell 12, primary coil 13, phasing unit 14 three one_to_one corresponding are cascaded, and power cell 12 is connected between primary coil 13 and phasing unit 14.
Cooperatively interact between each phasing unit 14, the magnetic line of force of each primary coil 13 is staggered, avoids intersecting, reduce the interference between each primary coil 13, reduce demagnetization, fall low-energy waste.
Transmitting terminal monitoring means 15 is connected with transmitting terminal digital signal processor 17, there is provided the energy back of each primary coil 13 to transmitting terminal digital signal processor 17, as the effective energy that each primary coil 13 is received by power device 20, transmitting terminal digital signal processor 17 is allowed to adjust the energy of level coil 13, eliminate the magnetic line of force not being in couple state, only retain the magnetic line of force being in couple state, reduce the loss of transmitting energy.
Transmitting terminal sensing unit 16 is in order to monitor charged state, as with the schedule of charging or charging abnormal etc., by signal feedback to transmitting terminal digital signal processor 17, make transmitting terminal digital signal processor 17 adjust the energy of corresponding primary coil 13, reduce the loss of transmitting energy.
Refer to shown in Fig. 2, power device 20 comprises some secondary coils 23, receiving terminal monitoring means 25, receiving terminal sensing unit 26, receiving terminal digital signal processor 27, battery charging management unit 28 and the battery unit 29 that magnetic sheet 21, matrix-style arranges.
Secondary coil 23 is arranged on magnetic sheet 21 and is also connected with receiving terminal monitoring means 25 separately, and receiving terminal monitoring means 25 can learn the energy of secondary coil 23, and transmission of signal is to receiving terminal digital signal processor 27.
Receiving terminal sensing unit 26 is in order to monitor charged state, as schedule or the exception etc. of charging of charging, by signal feedback to the transmitting terminal sensing unit 26 of receiving terminal digital signal processor 27 with wireless charging device 10, digital signal processor 27 changes the energy of corresponding primary coil 23 by receiving terminal monitoring means 25, avoids the waste of energy.
Battery charging management unit 28 is connected between magnetic sheet 21 and battery unit 29, by the energy transferring of secondary coil 23 to battery unit 29, realizes charging to battery unit 29.Battery charging management unit 28 is also connected with transmitting terminal sensing unit 26, and transmitting terminal sensing unit 26 controls, manage the running status of battery charging management unit 28.
Refer to shown in Fig. 1 to Fig. 3, when wireless charging system 100 of the present invention runs, there are three kinds of situations, the first situation, the position of primary coil 13 and secondary coil 23 one by one complete matching time, make primary coil 13 magnetic line of force all by secondary coil 23, can reduce the leakage of space radiation energy to greatest extent, wireless charging device 10 can be transferred to the maximized energy of power device 20 simultaneously.
Second case, primary coil 13 staggers with the position of secondary coil 23, primary coil 13 magnetic line of force all cannot pass through secondary coil 23, between wireless charging device 10 and power device 20, noenergy is transmitted, transmitting terminal monitoring means 15 points out transmitting terminal digital signal processor 17 to close the operation of each primary coil 13, receiving terminal monitoring means 25 points out receiving terminal digital signal processor 27 to close the operation of each secondary coil 23, stop circumscripted power line road direction power-supply unit 11 to transmit power supply signal, avoid wasting energy.
The third situation, primary coil 13 aligns with a position part for secondary coil 23, a part staggers, the only primary coil 13 of some and the aligned in position of secondary coil 23, the primary coil 13 of another part staggers with the position of secondary coil 23, transmitting terminal monitoring means 15 is pointed out transmitting terminal digital signal processor 17 to close and is in the primary coil 13 staggered position, receiving terminal monitoring means 25 is pointed out receiving terminal digital signal processor 27 to close and is in the secondary coil 13 staggered position, reduce the leakage of space radiation energy to greatest extent, reduce the waste of power supply energy.
In wireless charging device 10 pairs of power device 20 charging processes, transmitting terminal sensing unit 16 matches with receiving terminal sensing unit 26, Real-Time Monitoring charged state also points out transmitting terminal digital processing unit 17 to adjust the quantity of the magnetic line of force of primary coil 13, receiving terminal digital signal processor 27 adjusts the quantity of the magnetic line of force of secondary coil 23, makes it to adapt with primary coil 13.
Wireless charging system 100 of the present invention arranges transmitting terminal monitoring means 15 and receiving terminal monitoring means 25, prompting transmitting terminal signal processor 17 adjusts the quantity of the magnetic line of force of primary coil 13 and secondary coil 23 with receiving terminal digital signal processor 27, when primary coil 13 and secondary coil 23 non-complete matching, eliminate the magnetic line of force having neither part nor lot in coupling, only retain the magnetic line of force being in couple state, reduce the leakage of space radiation energy to greatest extent, reduce the waste of power supply energy, reduce the loss of transmitting energy, promote charge efficiency, improve the security performance of electromagnetic radiation simultaneously.
Although be example object, disclose the preferred embodiment of the present invention, but those of ordinary skill in the art will recognize, when not departing from scope and spirit of the present invention disclosed in appending claims, various improvement, increase and replacement are possible.
Claims (10)
1. a wireless charging device, it comprises power-supply unit, some power cells, the some primary coils arranged in a matrix fashion, some phasing units and a transmitting terminal digital signal processor, described power-supply unit connects power cell to provide power supply signal, described power cell is connected one by one with primary coil, described phasing unit is connected between each power cell and transmitting terminal digital signal processor, it is characterized in that: described wireless charging device also comprises the transmitting terminal monitoring means be connected between transmitting terminal digital signal processor and each power cell, described transmitting terminal monitoring means can monitor the coupling scenario of primary coil and point out transmitting terminal digital signal processor to remove to adjust the magnetic line of force of primary coil.
2. wireless charging device according to claim 1, it is characterized in that: described wireless charging device also comprises monitoring the transmitting terminal sensing unit of charged state, described transmitting terminal sensing unit is connected with transmitting terminal digital signal processor, the energy of prompting transmitting terminal digital signal processor adjustment primary coil.
3. a wireless charging system, it comprises wireless charging device and power device, described wireless charging device is with thinking that this power device charges, described wireless charging device comprises power-supply unit, some power cells, the some primary coils arranged in a matrix fashion, some phasing units and a transmitting terminal digital signal processor, described power-supply unit connects power cell to provide power supply signal, described power cell is connected one by one with primary coil, described phasing unit is connected between each power cell and transmitting terminal digital signal processor, described power device comprises magnetic sheet, be arranged in the battery unit with the secondary coil be coupled with primary coil and stored energy on magnetic sheet, it is characterized in that: described wireless charging device also comprises the transmitting terminal monitoring means be connected between transmitting terminal digital signal processor and each power cell, described transmitting terminal monitoring means can monitor the coupling scenario of primary coil and secondary coil and point out transmitting terminal digital signal processor to remove to adjust the magnetic line of force of primary coil.
4. wireless charging system according to claim 3, it is characterized in that: described power device also comprises a receiving terminal monitoring means, described receiving terminal monitoring means can monitor the coupling scenario of primary coil and secondary coil and promote the magnetic line of force that power device adjusts secondary coil.
5. wireless charging system according to claim 4, is characterized in that: described power device also comprises the battery charging management unit be connected between magnetic sheet and battery unit and the receiving terminal digital signal processor be connected between battery charging management unit and receiving terminal monitoring means.
6. wireless charging system according to claim 4, is characterized in that: described receiving terminal digital signal processor is also connected with battery unit.
7. wireless charging system according to claim 3, it is characterized in that: described wireless charging device also comprises monitoring the transmitting terminal sensing unit of charged state, described transmitting terminal sensing unit is connected with transmitting terminal digital signal processor, the energy of prompting transmitting terminal digital signal processor adjustment primary coil.
8. wireless charging system according to claim 3, it is characterized in that: described wireless charging device also comprises monitoring the transmitting terminal sensing unit of charged state, described transmitting terminal sensing unit is connected with transmitting terminal digital signal processor, the energy of prompting transmitting terminal digital signal processor adjustment primary coil.
9. wireless charging system according to claim 3, is characterized in that: described power device also comprises the receiving terminal sensing unit be coupled mutually with transmitting terminal sensing unit.
10. wireless charging system according to claim 3, is characterized in that: described secondary coil is also be arranged in a matrix fashion on magnetic sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510051909.4A CN104578349A (en) | 2015-01-31 | 2015-01-31 | Wireless charger and wireless charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510051909.4A CN104578349A (en) | 2015-01-31 | 2015-01-31 | Wireless charger and wireless charging system |
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| CN104578349A true CN104578349A (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510051909.4A Pending CN104578349A (en) | 2015-01-31 | 2015-01-31 | Wireless charger and wireless charging system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428926A (en) * | 2015-12-15 | 2016-03-23 | 宁波保众应急科技有限公司 | Wireless intelligent socket |
| CN106941284A (en) * | 2017-03-24 | 2017-07-11 | 哈尔滨工业大学深圳研究生院 | A kind of coupled resonance formula underwater wireless charging device and method |
| CN107046304A (en) * | 2016-12-26 | 2017-08-15 | 广东欧珀移动通信有限公司 | Wireless charging method, relevant device and system |
| CN108958521A (en) * | 2017-05-19 | 2018-12-07 | 海盗船电子股份有限公司 | Charging mouse pad and use method thereof |
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| CN101375483A (en) * | 2006-01-31 | 2009-02-25 | Ls电线有限公司 | Non-contact power supply, non-contact charger systems and method for charging rechargeable battery cell |
| CN102859840A (en) * | 2009-12-23 | 2013-01-02 | 维康尼克斯电子有限公司 | Wireless power transmission using phased array antennae |
| CN103812149A (en) * | 2012-11-09 | 2014-05-21 | 海尔集团公司 | Wireless charging device, charging system and charging method |
| EP2787596A2 (en) * | 2013-04-03 | 2014-10-08 | Funai Electric Co., Ltd. | Non-contact power feeder and non-contact power feeding method |
| CN204441978U (en) * | 2015-01-31 | 2015-07-01 | 丰岛电子科技(苏州)有限公司 | Wireless charging device and wireless charging system |
-
2015
- 2015-01-31 CN CN201510051909.4A patent/CN104578349A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101375483A (en) * | 2006-01-31 | 2009-02-25 | Ls电线有限公司 | Non-contact power supply, non-contact charger systems and method for charging rechargeable battery cell |
| CN102859840A (en) * | 2009-12-23 | 2013-01-02 | 维康尼克斯电子有限公司 | Wireless power transmission using phased array antennae |
| CN103812149A (en) * | 2012-11-09 | 2014-05-21 | 海尔集团公司 | Wireless charging device, charging system and charging method |
| EP2787596A2 (en) * | 2013-04-03 | 2014-10-08 | Funai Electric Co., Ltd. | Non-contact power feeder and non-contact power feeding method |
| CN204441978U (en) * | 2015-01-31 | 2015-07-01 | 丰岛电子科技(苏州)有限公司 | Wireless charging device and wireless charging system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428926A (en) * | 2015-12-15 | 2016-03-23 | 宁波保众应急科技有限公司 | Wireless intelligent socket |
| CN107046304A (en) * | 2016-12-26 | 2017-08-15 | 广东欧珀移动通信有限公司 | Wireless charging method, relevant device and system |
| CN107046304B (en) * | 2016-12-26 | 2020-11-24 | Oppo广东移动通信有限公司 | Wireless charging method, related device and system |
| CN106941284A (en) * | 2017-03-24 | 2017-07-11 | 哈尔滨工业大学深圳研究生院 | A kind of coupled resonance formula underwater wireless charging device and method |
| CN108958521A (en) * | 2017-05-19 | 2018-12-07 | 海盗船电子股份有限公司 | Charging mouse pad and use method thereof |
| CN108958521B (en) * | 2017-05-19 | 2022-07-01 | 海盗船电子股份有限公司 | Charging mouse pad and use method thereof |
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Address after: Jinxi town Jinchang road Kunshan city Suzhou city Jiangsu province 215324 No. 158 Applicant after: Luxshare Electronic Technology (Kunshan) Co., Ltd. Address before: Jinxi town Jinchang road Kunshan city Suzhou city Jiangsu province 215324 No. 158 Applicant before: FENGDAO ELECTRONIC TECHNOLOGY (SUZHOU) CO., LTD. |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20150429 |