CN203589782U

CN203589782U - Wireless charging battery

Info

Publication number: CN203589782U
Application number: CN201320709391.5U
Authority: CN
Inventors: 黄元灯
Original assignee: SHENZHEN SOLGO TECHNOLOGY Co Ltd
Current assignee: SHENZHEN SOLGO TECHNOLOGY Co Ltd
Priority date: 2013-11-11
Filing date: 2013-11-11
Publication date: 2014-05-07
Anticipated expiration: 2023-11-11

Abstract

The utility model discloses a wireless charging battery. The battery comprises a housing (100), an electrical core (10) fixed to the inner surface of the housing (100), a receiving terminal sensing coil (20) attached to the outer surface of the housing (100), and an electric core controller (30) that is fixed to the inner surface of the housing and in electric connection with the electric core (10). The receiving terminal sensing coil (20) is in electric connection with the electric core controller (30). A positive contact (11), a negative contact (12) and at least a communication contact (13) are led out from the inner part of the electric core (10). The communication contact is used for transmitting electrical parameters. The wireless charging battery can directly replace a battery inside an original mobile device to achieve wireless charging without additional fittings. A mobile terminal device can timely obtain the current charging state, so that user experience is raised.

Description

A kind of wireless charging battery

Technical field

The utility model relates to wireless charging field, relates in particular to a kind of wireless charging battery.

Background technology

In prior art, when battery is charged, the size of charging current directly determines charging rate: charging current is larger, and charging rate is faster, and the charging deadline is shorter.There is a problem in electromagnetic induction wireless charging technology closely in application, charge transmitting terminal (cradle) and receiving terminal (mobile device to be charged) distance and the relative position of the two induction coil can largely affect the size of charging current, and therefore the variation meeting of putting position greatly affects charging rate.In use, whether user can only carry out wireless charging according to the indicator light judgment device of wireless charging transmitting terminal to current wireless charging product, but cannot on mobile device, know intuitively actual charging rate.

Utility model content

In prior art, whether user can only carry out wireless charging according to the indicator light judgment device of wireless charging transmitting terminal, but the defect that cannot know intuitively actual charging rate on mobile device, the utility model proposes a kind of wireless charging battery.

The technical scheme that the utility model solution prior art problem adopts is a kind of wireless charging battery of structure, this battery comprises housing, be fixed on the battery core of described shell inner surface, stick the receiving terminal induction coil in described housing outer surface, and the battery core controller that is fixed on described shell inner surface and is electrically connected with described battery core, described receiving terminal induction coil and described battery core controller are electrically connected, wherein, from described battery core inside, draw a cathode contact, one cathode contact and at least one is for transmitting the communication contact of electric parameter, described cathode contact, described cathode contact and described communication contact are all fixed on the side surface of described housing, simultaneously, described communication contact and described battery core controller are electrically connected.

Between described battery core and described battery core controller, be also connected with for prevent battery core overcharge, cross put, the circuit protection module of overcurrent and short circuit.

Described battery core controller also comprises:

For setting up and maintain the wireless communication module of the communication between receiving terminal induction coil and transmitting terminal induction coil;

For controlling the current control module of charging current;

For report the signal transmission module of current charged state to power supply unit by described communication contact.

Described cathode contact, described cathode contact and described communication contact are all fixed on surface, the outer the same side of described housing.

Described wireless communication module and described receiving terminal induction coil are electrically connected.

Described current control module and described battery core are electrically connected.

Implement wireless charging battery of the present utility model, can directly replace the battery in original mobile device, without increasing extra accessory, can realize wireless charging, meanwhile, on mobile terminal device, can recognize in real time current charge condition, improved user's experience.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:

Fig. 1 is the structured flowchart of the wireless charging battery that provides of the utility model preferred embodiment;

Fig. 2 is the fundamental diagram of the battery core controller described in Fig. 1.

Embodiment

The structured flowchart of the wireless charging battery that provides of the utility model preferred embodiment as shown in Figure 1.

This wireless charging battery comprises housing 100, be fixed on the battery core 10 of described housing 100 inner surfaces, stick in the receiving terminal induction coil 20 of described housing 100 outer surfaces, and the battery core controller 30 that is fixed on described housing 100 inner surfaces and is electrically connected with described battery core 10, described receiving terminal induction coil 20 is electrically connected with described battery core controller 30, wherein, from described battery core 10 inside, draw a cathode contact 11, one cathode contact 12 and at least one is for transmitting the communication contact 13 of electric parameter, described cathode contact 11, described cathode contact 12 and described communication contact 13 are all fixed on the side surface of described housing 100, simultaneously, described communication contact 13 is electrically connected with described battery core controller 30.

Be appreciated that this wireless charging battery can be used for mobile phone or panel computer, by this communication contact 13, realize detection and the transmission of charged state, and then make on the display screen of mobile phone or panel computer the charged state of display radio rechargeable battery in real time.

Between described battery core 10 and described battery core controller 30, be also connected with for prevent battery core overcharge, cross put, the circuit protection module 40 of overcurrent and short circuit.

Battery core controller 30 also comprises following three modules:

For setting up and maintain the wireless communication module 31 of the communication between receiving terminal induction coil 20 and transmitting terminal induction coil, wireless communication module 31 can carry out communication connection by electromagnetic signal or radio signal between electromagnetism sending and receiving end, realizes device pairing and equipment connection.

For controlling the current control module 32 of charging current, current control module 32 can be controlled the size of current of charging to battery core 10 in real time, and assurance battery core 10 is carried out wireless charging in rational size of current scope.

For report the signal transmission module 33 of current charged state to power supply unit by described communication contact 13, signal transmission module 33 is electrically connected with above-mentioned communication contact 13, by this communication contact 13 by the above-mentioned electric signal transmission that comprises charged state to power consumption equipment end.

Described cathode contact 11, described cathode contact 12 and described communication contact 13 are all fixed on surface, the outer the same side of described housing 100.

Described wireless communication module 31 is electrically connected with described receiving terminal induction coil 20.

Described current control module 32 is electrically connected with described battery core 10.

Wherein, described battery core controller 30 also for:

When described receiving terminal induction coil 20 does not receive wireless charging electromagnetic signal, described battery core controller 30 is set to give tacit consent to low-voltage by described communication contact 13, when described receiving terminal induction coil 20 receives described wireless charging electromagnetic signal, described battery core controller 30 gives described communication contact 13 1 square-wave voltage signals.

When described receiving terminal induction coil 20 does not receive described wireless charging electromagnetic signal, piezo-resistance in the described communication of described battery core controller 30 contact 13 is set to give tacit consent to resistance, when described receiving terminal induction coil 20 receives described wireless charging electromagnetic signal, described battery core controller 30, according to the change in resistance state of described piezo-resistance, changes by the current signal of described communication contact 13 accordingly.

The fundamental diagram of the battery core controller described in Fig. 1 as shown in Figure 2.

For example, when not carrying out wireless charging, communication contact 13 is defaulted as low-voltage; When starting wireless charging, the voltage cycle ground of communication contact 13 changes.

Wherein, t1 is high voltage time span, and t2 is voltage transformation length cycle time, and t2 was fixed value, as 5 seconds.T1 changes according to charging current, t1=f(I), I is instantaneous charging current or mean charging current.For example: t1=I,, when charging current is 345 MAHs, t1 is 345 milliseconds.Therefore, this mobile terminal can be learnt according to the variation of t1 the charging current of current wireless charging.

Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection range of the utility model claims.

Claims

1. a wireless charging battery, it is characterized in that, described wireless charging battery comprises housing (100), be fixed on the battery core (10) of described housing (100) inner surface, stick in the receiving terminal induction coil (20) of described housing (100) outer surface, and the battery core controller (30) that is fixed on described housing (100) inner surface and is electrically connected with described battery core (10), described receiving terminal induction coil (20) is electrically connected with described battery core controller (30), wherein, from described battery core (10) inside, draw a cathode contact (11), one cathode contact (12) and at least one is for transmitting the communication contact (13) of electric parameter, described cathode contact (11), described cathode contact (12) and described communication contact (13) are all fixed on the side surface of described housing (100), simultaneously, described communication contact (13) is electrically connected with described battery core controller (30).

2. wireless charging battery according to claim 1, is characterized in that, between described battery core (10) and described battery core controller (30), be also connected with for prevent battery core (10) overcharge, cross put, the circuit protection module (40) of overcurrent and short circuit.

3. wireless charging battery according to claim 2, is characterized in that, described battery core controller (30) also comprises:

For setting up and maintain the wireless communication module (31) of the communication between receiving terminal induction coil (20) and transmitting terminal induction coil;

For controlling the current control module (32) of charging current;

For report the signal transmission module (33) of current charged state to power supply unit by described communication contact (13).

4. wireless charging battery according to claim 3, is characterized in that, described cathode contact (11), described cathode contact (12) and described communication contact (13) are all fixed on surface, the outer the same side of described housing (100).

5. wireless charging battery according to claim 4, is characterized in that, described wireless communication module (31) is electrically connected with described receiving terminal induction coil (20).

6. wireless charging battery according to claim 5, is characterized in that, described current control module (32) is electrically connected with described battery core (10).