CN102983375A - Wireless chargeable lithium battery - Google Patents

Wireless chargeable lithium battery Download PDF

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Publication number
CN102983375A
CN102983375A CN2012105082117A CN201210508211A CN102983375A CN 102983375 A CN102983375 A CN 102983375A CN 2012105082117 A CN2012105082117 A CN 2012105082117A CN 201210508211 A CN201210508211 A CN 201210508211A CN 102983375 A CN102983375 A CN 102983375A
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CN
China
Prior art keywords
lithium battery
electromagnetic shielding
material layer
charging
induction coil
Prior art date
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Pending
Application number
CN2012105082117A
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Chinese (zh)
Inventor
马少杰
丁立波
张合
张鹏翀
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Nanjing University of Science and Technology
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Nanjing University of Science and Technology
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Publication date
Application filed by Nanjing University of Science and Technology filed Critical Nanjing University of Science and Technology
Priority to CN2012105082117A priority Critical patent/CN102983375A/en
Publication of CN102983375A publication Critical patent/CN102983375A/en
Pending legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a wireless chargeable lithium battery comprising an induction coil, an electromagnetic shielding material layer, a rectification, voltage stabilization and charge management circuit, and a lithium battery core, wherein the induction coil is located at the bottom of the battery; the electromagnetic shielding material layer is located at the upper part of the induction coil; the lithium battery core is located at the top of the battery; and the rectification, voltage stabilization and charge management circuit is located between the lithium battery core and the electromagnetic shielding material layer. The wireless chargeable lithium battery provided by the invention integrates the functions of electromagnetic induction energy receiving, charge managing and electromagnetic shielding, and further can be used for displaying a charge state of the battery.

Description

The wireless charging lithium battery
Technical field
The invention belongs to the lithium battery field, particularly a kind of wireless charging lithium battery.
Background technology
Take portable electronic equipments such as mobile phone, MP3, notebook computers as example, what charge mainly is traditional charger, and an end links to each other with power frequency AC, and the other end connects the rechargeable battery of portable electric appts.This frequently plug damages interface easily, overcharges for a long time can damage the life-span of storage battery even burn out the mobile device mainboard, also can bring simultaneously the danger of electric shock.And because the interface standard disunity, each electronic product has a charger that is complementary with it, has caused so a large amount of wastes, has increased manufacturing cost.Simultaneously, along with informationalized rapidly development, people are more and more higher to the requirement of mobile communication quality and content, the development along with demand of mobile device correlation technique, function from strength to strength the time dominant frequency more and more higher, screen is increasing, power consumption also rises rapidly, it is a general demand that stand-by time grows up to, and existing battery technology is broken through possibility in a short time, so people are to there being strong demand to the relevant device that mobile device charges whenever and wherever possible.
Lithium battery is widely used in mobile phone, digital camera and notebook computer.Make a general survey of the development situation of global lithium battery wireless charging device, electromagnetic induction reception, Charge Management and charging indication are not integrated in the design of one.Traditional lithium battery if will carry out wireless charging, often need to even also need supporting charge management circuit at an external induction coil, causes equipment volume excessive, with electronic product can't be supporting etc. many troubles.
Summary of the invention
The object of the present invention is to provide a kind of integrated wireless charging lithium battery of the reception of electromagnetic induction energy, Charge Management, electromagnetic shielding and charging indication function.
The technical solution that realizes the object of the invention is:
A kind of wireless charging lithium battery comprises induction coil, electromagnetic shielding material layer, rectifying and voltage-stabilizing and charge management circuit, lithium cell core, and wherein, induction coil is positioned at battery bottom, and the electromagnetic shielding material layer is positioned at induction coil top; Lithium cell core is positioned at the battery top; Rectifying and voltage-stabilizing and charge management circuit are between lithium cell core and electromagnetic shielding material layer.
The present invention compared with prior art, its remarkable advantage:
(1) the Charge Management unit is built in whole lithium battery interior, battery can break away from electronic equipment and charge, the a series of requirements of wireless charging to electronic product have been avoided, such as external induction coil, charging circuit and charging indication etc., strengthened the compatibility of wireless charging, conventional wireless charging requirement energy receiving terminal (electronic product) need to the built-in induction coil that matches with self, charging circuit and charging indication etc. in product, increased cost and the design difficulty of electronic product, common electronic product can't carry out wireless charging.Any electronic product now these all is integrated in the lithium battery, so that can carry out wireless charging.
(2) put on the wireless charging flat pad when lithium battery, lithium battery can with charged state, pass through the charging indicated number out such as charge, electric weight has been full of etc.
Below in conjunction with accompanying drawing the present invention is described in further detail.
Description of drawings
Fig. 1 is schematic diagram of the present invention.
Fig. 2 is structural representation of the present invention.
Fig. 3 is vertical view of the present invention.
Embodiment
Principle of the present invention is as shown in Figure 1:
The wireless charging lithium battery comprises induction coil, electromagnetic screen, rectification stable pressuring unit, Charge Management unit, charging indication and lithium cell core.Induction coil receives electromagnetic energy induction and comes, and the electromagnetic shielding unit prevents that electromagnetic energy from spreading everywhere in order to avoid circuit and the lithium cell core of rectification filtering unit and Charge Management unit caused interference, and promotes the efficient that induction coil utilizes electromagnetic field; Rectification filtering unit will be responded to the energy that receives provides rechargeable electrical energy for the Charge Management unit after by conversion such as rectification, filtering, pressure regulation; The charged state of Charge Management unit Real-Time Monitoring lithium battery also feeds back to the user by the charging indicating member, and according to the state of lithium battery lithium cell core is carried out Charge Management.
Structure of the present invention is as shown in Figure 2:
A kind of wireless charging lithium battery comprises induction coil 1, electromagnetic shielding material layer 2, rectifying and voltage-stabilizing and charge management circuit 3, lithium cell core 4, and wherein, induction coil 1 is positioned at battery bottom, and electromagnetic shielding material layer 2 is positioned at induction coil 1 top; Lithium cell core 4 is positioned at the battery top; Rectifying and voltage-stabilizing and charge management circuit 3 are between lithium cell core 4 and electromagnetic shielding material layer 2.The shell of wireless charging lithium battery adopts non-conducting material.Be provided with charging indicating member 5 on the shell of wireless charging lithium battery, charging indicating member 5 comprises that charging finishes indicator light 6 and just at charging indicator light 7.Described electromagnetic shielding material layer 2 uses metal material.
As shown in Figure 3: lithium battery vertical view, charging indicating member 5 comprise that charging finishes indicator light 6 and just at charging indicator light 7, be positioned at the li battery shell surface, the interface 8 of battery and equipment be positioned at the battery side.
Induction coil 1 is sensed after the energy, and rectifying and voltage-stabilizing and charge management circuit 3 change alternating current into the dc low-voltage electricity; Electromagnetic shielding material layer 2 prevents interference of electromagnetic field rectifying and voltage-stabilizing and charge management circuit 3 and lithium cell core 4 simultaneously; Rectifying and voltage-stabilizing and charge management circuit 3 carry out intelligent charge according to the state of lithium cell core 4, are shown by the control of rectifying and voltage-stabilizing and charge management circuit 3 in this indicating member 5 that charges simultaneously and charge or be full of.
Embodiment 1:
A kind of wireless charging lithium battery comprises induction coil 1, electromagnetic shielding material layer 2, rectifying and voltage-stabilizing and charge management circuit 3, lithium cell core 4, and wherein, induction coil 1 is positioned at battery bottom, and electromagnetic shielding material layer 2 is positioned at induction coil 1 top; Lithium cell core 4 is positioned at the battery top; Rectifying and voltage-stabilizing and charge management circuit 3 are between lithium cell core 4 and electromagnetic shielding material layer 2; The shell of wireless charging lithium battery adopts plastics; Be provided with charging indicating member 5 on the shell of wireless charging lithium battery, charging indicating member 5 comprises that charging finishes indicator light 6 and just at charging indicator light 7; Electromagnetic shielding material layer 2 uses aluminium foil.
Embodiment 2:
A kind of wireless charging lithium battery comprises induction coil 1, electromagnetic shielding material layer 2, rectifying and voltage-stabilizing and charge management circuit 3, lithium cell core 4, and wherein, induction coil 1 is positioned at battery bottom, and electromagnetic shielding material layer 2 is positioned at induction coil 1 top; Lithium cell core 4 is positioned at the battery top; Rectifying and voltage-stabilizing and charge management circuit 3 are between lithium cell core 4 and electromagnetic shielding material layer 2; The shell of wireless charging lithium battery adopts ceramic material; Be provided with charging indicating member 5 on the shell of wireless charging lithium battery, charging indicating member 5 comprises that charging finishes indicator light 6 and just at charging indicator light 7; Electromagnetic shielding material layer 2 uses Copper Foil.
Embodiment 3:
A kind of wireless charging lithium battery comprises induction coil 1, electromagnetic shielding material layer 2, rectifying and voltage-stabilizing and charge management circuit 3, lithium cell core 4, and wherein, induction coil 1 is positioned at battery bottom, and electromagnetic shielding material layer 2 is positioned at induction coil 1 top; Lithium cell core 4 is positioned at the battery top; Rectifying and voltage-stabilizing and charge management circuit 3 are between lithium cell core 4 and electromagnetic shielding material layer 2; The shell of wireless charging lithium battery adopts hardboard; Be provided with charging indicating member 5 on the shell of wireless charging lithium battery, charging indicating member 5 comprises that charging finishes indicator light 6 and just at charging indicator light 7; Electromagnetic shielding material layer 2 uses iron foil.

Claims (4)

1. wireless charging lithium battery, it is characterized in that: comprise induction coil (1), electromagnetic shielding material layer (2), rectifying and voltage-stabilizing and charge management circuit (3), lithium cell core (4), wherein, induction coil (1) is positioned at battery bottom, and electromagnetic shielding material layer (2) is positioned at induction coil (1) top; Lithium cell core (4) is positioned at the battery top; Rectifying and voltage-stabilizing and charge management circuit (3) are positioned between lithium cell core (4) and the electromagnetic shielding material layer (2).
2. a kind of wireless charging lithium battery according to claim 1 is characterized in that: the shell employing non-conducting material of wireless charging lithium battery.
3. a kind of wireless charging lithium battery according to claim 2, it is characterized in that: be provided with charging indicating member (5) on the shell of wireless charging lithium battery, charging indicating member (5) comprises that charging finishes indicator light (6) and just in charging indicator light (7).
4. described a kind of wireless charging lithium battery is characterized in that: described electromagnetic shielding material layer (2) use metal material according to claim 1-3.
CN2012105082117A 2012-12-03 2012-12-03 Wireless chargeable lithium battery Pending CN102983375A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012105082117A CN102983375A (en) 2012-12-03 2012-12-03 Wireless chargeable lithium battery

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Application Number Priority Date Filing Date Title
CN2012105082117A CN102983375A (en) 2012-12-03 2012-12-03 Wireless chargeable lithium battery

Publications (1)

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CN102983375A true CN102983375A (en) 2013-03-20

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108685226A (en) * 2018-06-13 2018-10-23 宇龙计算机通信科技(深圳)有限公司 Wireless charging gloves
CN110588380A (en) * 2019-08-09 2019-12-20 华为技术有限公司 Chargeable and dischargeable energy storage device, wireless charging system and electric automobile
CN112262806A (en) * 2020-11-12 2021-01-26 中国水产科学研究院长江水产研究所 Device and method for identifying underwater form of large aquatic animal
WO2021027641A1 (en) * 2019-08-09 2021-02-18 华为技术有限公司 Vehicle-mounted power battery, rechargeable energy storage system, and electric car

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201422022Y (en) * 2008-12-12 2010-03-10 刘昌荣 Wireless charging device
CN102544615A (en) * 2011-12-14 2012-07-04 李鹏 Wireless charging battery
CN202977651U (en) * 2012-12-03 2013-06-05 南京理工大学 Wireless rechargeable lithium battery

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201422022Y (en) * 2008-12-12 2010-03-10 刘昌荣 Wireless charging device
CN102544615A (en) * 2011-12-14 2012-07-04 李鹏 Wireless charging battery
CN202977651U (en) * 2012-12-03 2013-06-05 南京理工大学 Wireless rechargeable lithium battery

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108685226A (en) * 2018-06-13 2018-10-23 宇龙计算机通信科技(深圳)有限公司 Wireless charging gloves
CN110588380A (en) * 2019-08-09 2019-12-20 华为技术有限公司 Chargeable and dischargeable energy storage device, wireless charging system and electric automobile
WO2021027641A1 (en) * 2019-08-09 2021-02-18 华为技术有限公司 Vehicle-mounted power battery, rechargeable energy storage system, and electric car
CN110588380B (en) * 2019-08-09 2024-05-10 华为数字能源技术有限公司 Chargeable and dischargeable energy storage device, wireless charging system and electric automobile
CN112262806A (en) * 2020-11-12 2021-01-26 中国水产科学研究院长江水产研究所 Device and method for identifying underwater form of large aquatic animal
CN112262806B (en) * 2020-11-12 2022-04-05 中国水产科学研究院长江水产研究所 Device and method for identifying underwater form of large aquatic animal

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Application publication date: 20130320