CN106655350B - A kind of device comprising wireless charging protective sleeve and wireless charging system - Google Patents

A kind of device comprising wireless charging protective sleeve and wireless charging system Download PDF

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Publication number
CN106655350B
CN106655350B CN201611050194.1A CN201611050194A CN106655350B CN 106655350 B CN106655350 B CN 106655350B CN 201611050194 A CN201611050194 A CN 201611050194A CN 106655350 B CN106655350 B CN 106655350B
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resistance
capacitor
induction coil
triode
terminal circuit
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CN201611050194.1A
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Chinese (zh)
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CN106655350A (en
Inventor
杜浩明
李恩泽
王成
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Shanghai Dianji University
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Shanghai Dianji University
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H02J7/022Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters characterised by the type of converter
    • H02J7/025Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters characterised by the type of converter using non-contact coupling, e.g. inductive, capacitive

Abstract

The invention discloses a kind of wireless charging protective sleeves; receiving terminal circuit, connection circuit, charging jack including protective case and on protective case and the regulating switch for controlling and adjusting receiving terminal circuit; receiving terminal circuit is fixed at the inside of protective case; the outside of receiving terminal circuit is equipped with flat protection shell, receiving terminal circuit and charging jack and is connected by connecting circuit.The configuration of the present invention is simple, it is easy to use, wireless charging can be carried out to the electrical appliance of a variety of different DC voltages.

Description

A kind of device comprising wireless charging protective sleeve and wireless charging system
Technical field
The present invention relates to wireless charging system fields, are related specifically to a kind of wireless charging protective sleeve.
Background technique
Now wireless charging device on the market is all one-to-one wireless charging, to realize multiple wireless chargings, is then needed Multiple platforms are wanted to charge.And possess the equipment either mobile phone or Baffle Box of Bluetooth of wireless charging function etc., in similar production High-end flagship product is often belonged in product, it is expensive.Although part mobile phone, smart bluetooth sound equipment etc. have been provided with more at Ripe technology, however it is all independent, specific charging system.
The original design intention of wireless charging technology is to want to make people to get rid of rambling charging cable.However, at this stage Although wireless charging technology makes people get rid of the constraint of charging cable, but each equipment is mutually indepedent and uncurrent. When using multiple wireless charging devices, the charger of tableful can also make very mixed and disorderly in family.Also, wireless charging skill at this stage Art still concentrates in the high-end devices of a small number of brand products, and high price keeps this technology also completely not universal.
Summary of the invention
It is an object of the invention to aiming at the shortcomings in the prior art, provide a kind of wireless charging protective sleeve, on solving State problem.
Technical problem solved by the invention can be realized using following technical scheme:
A kind of wireless charging protective sleeve, receiving terminal circuit including protective case and on protective case, fill connection circuit Electrical outlet and regulating switch for controlling and adjusting receiving terminal circuit, receiving terminal circuit are fixed at the inside of protective case, The outside of receiving terminal circuit is equipped with flat protection shell, receiving terminal circuit and charging jack and is connected by connecting circuit;It connects Receiving end circuit is whole including switch SW DIP-2, induction coil L3, induction coil L4, the second bridge rectifier D2, third bridge-type Current circuit D3, capacitor C5, capacitor C6, zener diode D3 and zener diode D4,1 pin and the line of induction of switch SW DIP-2 The one end for enclosing L3 is connected, and 2 pins of switch SW DIP-2 are connected with one end of induction coil L4,3 pins of switch SW DIP-2 It is connected with 1 end of the second bridge rectifier D2,1 end phase of 4 pins and third bridge rectifier D3 of switch SW DIP-2 Even, 3 ends of the second bridge rectifier D2 are connected with 3 ends of third bridge rectifier D3, the other end of induction coil L3 with The other end of induction coil L4 is connected after being connected with 3 ends of third bridge rectifier D3;Capacitor C5's and zener diode D3 Both ends are connected in parallel on respectively between 4 ends and 2 ends of the second bridge rectifier D2, the both ends difference of capacitor C6 and zener diode D4 It is connected in parallel between 4 ends and 2 ends of third bridge rectifier D3.
Further, the number of turns of the induction coil L3 or induction coil L4 is adjusted by regulating switch.
Compared with prior art, beneficial effects of the present invention are as follows:
The present invention is adjusted by regulating switch, so that the number of turns of induction coil is changed, causes faradic Size changes, so that the electrical equipment for keeping the protective case different to 5V to 24V such as mobile phone, laptops carries out nothing Line transmission of electricity.
The present invention can carry out wireless charging to the electrical appliance of a variety of different DC voltages, walk high-end wireless charging technology To universal and masses.A large amount of uses of the technology can make regular handset also have the wireless charging function of high-end handsets, make hand Machine charging becomes more convenient.
The invention patent makes substantially reducing using threshold for wireless charging technology, and lower cost and simple structure make Wireless charging technology can be applied to most existing products, and the practicality is made to be greatly improved, and be people's Life provides biggish convenience with comfortably, has a vast market foreground and preferable social value.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of wireless charging protective sleeve of the present invention.
Fig. 2 is receiving terminal circuit figure of the present invention.
Fig. 3 is transmitting terminal circuit diagram of the present invention.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to Specific embodiment, the present invention is further explained.
Referring to FIG. 1 to FIG. 3, a kind of wireless charging protective sleeve of the present invention, including protective case 1 and be set to protective case Receiving terminal circuit 2, connection circuit 4, charging jack 5 on 1 and the regulating switch 3 for controlling and adjusting receiving terminal circuit 2. Receiving terminal circuit 2 is fixed at the inside of protective case 1, and the outside of receiving terminal circuit 2 is equipped with flat protection shell, receiving end Circuit 2 is connected with charging jack 5 by connecting circuit 2.Receiving terminal circuit 2 includes switch SW DIP-2, induction coil L3, induction Coil L4, the second bridge rectifier D2, third bridge rectifier D3, capacitor C5, capacitor C6, zener diode D3 and pressure stabilizing Diode D4.1 pin of switch SW DIP-2 is connected with one end of induction coil L3,2 pins of switch SW DIP-2 and induction One end of coil L4 is connected.3 pins of switch SW DIP-2 are connected with 1 end of the second bridge rectifier D2, switch SW DIP- 24 pins are connected with 1 end of third bridge rectifier D3.3 ends of second bridge rectifier D2 and third bridge rectifier electricity 3 ends of road D3 are connected, the other end of induction coil L3 and the connected rear and third bridge rectifier of the other end of induction coil L4 3 ends of D3 are connected.The both ends of capacitor C5 and zener diode D3 are connected in parallel on 4 ends and 2 ends of the second bridge rectifier D2 respectively Between, the both ends of capacitor C6 and zener diode D4 are connected in parallel on respectively between 4 ends and 2 ends of third bridge rectifier D3.
The number of turns of induction coil L3 or induction coil L4 are adjusted by regulating switch 3, send out faradic size Changing.
Receiving terminal circuit 2 is followed successively by receiving coil, rectification, filtering, pressure stabilizing and charging.Receiving terminal circuit 2 is receiving wirelessly Main operational principle when charge function is as follows: due at receiving end connect regulating switch 3 so that the number of turns of induction coil into Row changes, and faradic size is caused to change, can by the change of regulating switch 3 so as to obtain 24VDC and 5VDC To meet the charge requirement of mobile phone and laptop or 5V to 24V electrical appliance, to reach versatility.What the present invention used Circuit is sufficiently stable, and frequency of oscillation is stablized, and structure is simple, compact.When in use, people only need to cover protective case is using In equipment, such as the back side of mobile phone, plate or laptop, required electric current is chosen with regulating switch 3, by charging jack 5 Original equipment can be become wireless charging device by the charging end (distinct device is equipped with different charging jacks) of insertion equipment.
Due to different equipment its size, different using power supply, regulating switch 3 can be saved, and will be in former scheme Two groups of input circuits in one group of simplification cast out, make its structure reduce, cost reduce, thus be conducive to its large-scale promotion and It is universal.
It further include wireless charging system, wireless charging system includes shell, wire and plug and transmitting terminal circuit.Transmitting terminal electricity Road is set to the side of shell, is additionally provided with the switch that terminal circuit is penetrated for controlling sending and receiving on shell.Wire and plug and transmitting terminal circuit Electrical connection, transmitting terminal circuit include transformer T1, bridge rectifier D1, filter capacitor C1, capacitor C2, capacitor C3, capacitor C4, Triode Q1, triode Q2, triode Q3, zener diode D2, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, electricity Hinder R6, resistance R7, crystal oscillator Y1, inductance L1 and induction coil L2.Transformer T1 is connected with bridge rectifier D1, filter capacitor C1 It is connected in parallel between bridge rectifier D1, the collector of one end of resistance R1 and triode Q1 one end with filter capacitor C1 respectively It is connected.The emitter of triode Q1 is connected with one end of one end of resistance R2 and resistance R3 respectively, the base stage difference of triode Q1 It is connected with the collector of the other end of resistance R1, the other end of resistance R2 and triode Q2.The base stage of triode Q2 respectively with electricity Resistance R3 the other end be connected with one end of resistance R6, the cathode of zener diode D2 respectively with the collector of triode Q2 and transmitting Extremely it is connected, the other end of resistance R6 and the anode of zener diode D2 are connected with the other end of filter capacitor C1 respectively.Triode The base stage of Q3 is connected with one end of one end of resistance R5, one end of resistance R4 and capacitor C3 respectively, the other end and electricity of resistance R4 One end of sense L1 is connected with one end of filter capacitor C1 respectively.The emitter of triode Q3 passes through resistance R7's and filter capacitor C1 The other end is connected, and the other end of resistance R5 and the other end of capacitor C3 are connected with the other end of filter capacitor C1 respectively.Triode The collector of Q3 is connected with one end of the other end of inductance L1 and induction coil L2 respectively.The other end of induction coil L2 and filtering The other end of capacitor C1 is connected, in parallel with crystal oscillator Y1 and induction coil L2 respectively after capacitor C2 and capacitor C4 series connection.The present invention matches Closing wireless charging system can make the equipment such as general mobile phone, tablet computer, laptop be provided with wireless charging function, significantly Improve the popularization of wireless charging technology.People only need to buy a protective case using this technology, and socket insertion is filled Electrical interface can make the equipment such as the regular handset of oneself script become wireless charging device.
The present invention is realized by more easy structure and circuit makes conventional equipment also have the function of wireless charging.It should Scheme makes general device that can also get rid of the constraint of charging cable, and people is made not seem disorderly and unsystematic when charging for it.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (1)

1. a kind of device comprising wireless charging protective sleeve and wireless charging system, it is characterised in that: the protective case is equipped with Receiving terminal circuit, connection circuit, charging jack and the regulating switch for controlling and adjusting receiving terminal circuit, receiving terminal circuit It is fixed at the inside of protective case, the outside of receiving terminal circuit is equipped with flat protection shell, and receiving terminal circuit and charging are inserted Mouth is connected by connection circuit;Receiving terminal circuit includes switch SW DIP-2, induction coil L3, induction coil L4, the second bridge-type Rectification circuit D2, third bridge rectifier D3, capacitor C5, capacitor C6, zener diode D3 and zener diode D4, switch SW 1 pin of DIP-2 is connected with one end of induction coil L3, and 2 pins of switch SW DIP-2 are connected with one end of induction coil L4, 3 pins of switch SW DIP-2 are connected with 1 end of the second bridge rectifier D2,4 pins and third bridge of switch SW DIP-2 1 end of formula rectification circuit D3 is connected, and 3 ends of the second bridge rectifier D2 are connected with 3 ends of third bridge rectifier D3, sense The other end of the other end and induction coil L4 of answering coil L3 is connected after being connected with 3 ends of third bridge rectifier D3;Capacitor The both ends of C5 and zener diode D3 are connected in parallel on respectively between 4 ends and 2 ends of the second bridge rectifier D2, capacitor C6 and pressure stabilizing The both ends of diode D4 are connected in parallel on respectively between 4 ends and 2 ends of third bridge rectifier D3;
The number of turns of the induction coil L3 or induction coil L4 is adjusted by regulating switch;
The wireless charging system includes shell, wire and plug and transmitting terminal circuit;Emit the side that terminal circuit is set to shell, outside The switch for controlling transmitting terminal circuit is additionally provided on shell;Wire and plug is electrically connected with transmitting terminal circuit, and transmitting terminal circuit includes Transformer T1, bridge rectifier D1, filter capacitor C1, capacitor C2, capacitor C3, capacitor C4, triode Q1, triode Q2, three Pole pipe Q3, zener diode D2, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, crystal oscillator Y1, Inductance L1 and induction coil L2;Transformer T1 is connected with bridge rectifier D1, and filter capacitor C1 is connected in parallel on bridge rectifier Between D1, one end of resistance R1 and the collector of triode Q1 are connected with one end of filter capacitor C1 respectively;The hair of triode Q1 Emitter-base bandgap grading is connected with one end of one end of resistance R2 and resistance R3 respectively, the base stage of triode Q1 respectively with the other end of resistance R1, The other end of resistance R2 is connected with the collector of triode Q2;The base stage of triode Q2 respectively with the other end and resistance of resistance R3 One end of R6 is connected, and the cathode of zener diode D2 is connected with the collector and emitter of triode Q2 respectively, and resistance R6's is another The anode of one end and zener diode D2 are connected with the other end of filter capacitor C1 respectively;The base stage of triode Q3 respectively with resistance One end of R5, one end of resistance R4 are connected with one end of capacitor C3, one end of the other end of resistance R4 and inductance L1 respectively with filter One end of wave capacitor C1 is connected;The emitter of triode Q3 is connected by resistance R7 with the other end of filter capacitor C1, resistance R5 The other end and the other end of capacitor C3 be connected respectively with the other end of filter capacitor C1;The collector of triode Q3 respectively with electricity The other end of sense L1 is connected with one end of induction coil L2;The other end phase of the other end of induction coil L2 and filter capacitor C1 Even, in parallel with crystal oscillator Y1 and induction coil L2 respectively after capacitor C2 and capacitor C4 series connection.
CN201611050194.1A 2016-11-24 2016-11-24 A kind of device comprising wireless charging protective sleeve and wireless charging system Active CN106655350B (en)

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Application Number Priority Date Filing Date Title
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CN106655350B true CN106655350B (en) 2019-04-12

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107240943B (en) * 2017-06-08 2019-11-01 博硕科技(江西)有限公司 A kind of Intelligent type wireless charger based on Internet of Things

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202999661U (en) * 2012-12-04 2013-06-19 朱志晖 Mobile equipment protective case capable of being wirelessly charged
WO2015131335A1 (en) * 2014-03-04 2015-09-11 华为终端有限公司 Charging circuit and terminal
CN205104921U (en) * 2015-07-07 2016-03-23 湖北智权知识产权咨询有限公司 Multi -functional wireless cell -phone sheath that charges and charging system thereof
CN205335899U (en) * 2015-12-31 2016-06-22 深圳市耐尔金科技有限公司 Wireless mobile electronic device protective sheath that charges

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202999661U (en) * 2012-12-04 2013-06-19 朱志晖 Mobile equipment protective case capable of being wirelessly charged
WO2015131335A1 (en) * 2014-03-04 2015-09-11 华为终端有限公司 Charging circuit and terminal
CN205104921U (en) * 2015-07-07 2016-03-23 湖北智权知识产权咨询有限公司 Multi -functional wireless cell -phone sheath that charges and charging system thereof
CN205335899U (en) * 2015-12-31 2016-06-22 深圳市耐尔金科技有限公司 Wireless mobile electronic device protective sheath that charges

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