CN105409055A - Battery and circuit - Google Patents
Battery and circuit Download PDFInfo
- Publication number
- CN105409055A CN105409055A CN201480015577.8A CN201480015577A CN105409055A CN 105409055 A CN105409055 A CN 105409055A CN 201480015577 A CN201480015577 A CN 201480015577A CN 105409055 A CN105409055 A CN 105409055A
- Authority
- CN
- China
- Prior art keywords
- battery
- output end
- pin
- circuit
- field communication
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/569—Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Disclosed in an embodiment of the present invention is a battery, comprising a battery cell, a protection circuit, a near field communication (NFC) antenna, a first isolation circuit and a second isolation circuit; the anode and cathode of the battery cell are connected to the protection circuit; the protection circuit comprises four output ends serving as the anode output end, cathode output end, identifier detection output end and temperature detection output end of the battery; the first pin of the NFC antenna is electrically connected to the temperature detection output end via the first isolation circuit, and the second pin of the NFC antenna is electrically connected to the identifier detection output end via the second isolation circuit; and both the first isolation circuit and the second isolation circuit are used to isolate the interference of a detection signal outputted by the battery with respect to an NFC signal transmitted by the NFC antenna. Also disclosed in the embodiment of the present invention is a circuit. The NFC antenna can be disposed within a battery without an increase in the number of pins of the battery.
Description
A kind of battery and circuit one by one
Technical field
The present invention relates to communication technical field, more particularly to a kind of battery and circuit.Background technology
With developing rapidly for the intelligent mobile terminal such as popularization of mobile phone, flat board etc. and mobile Internet, user's usage amount of intelligent mobile terminal is increasing.And near-field communication（Near Field Communication, abbreviation NFC) technology, as a kind of wireless communication technology of emerging short distance high-frequency high-speed, with the constantly improve of NFC ecological chains, is just more and more integrated on mobile terminal.Because the frequency that NFC technique is used is 13.56MHz, therefore NFC antenna design needs larger antenna area.In a kind of implementation of prior art, NFC antenna can be designed on the rear shell of mobile terminal, but during rear shell unlatching, because NFC antennas expose outside, in the presence of impaired risk, easily cause loose contact, while the also easy deformation effect outward appearance by external force.In another implementation, NFC antennas are arranged in the battery of mobile terminal, and increase two NFC antenna pins newly on battery to realize the connection with NFC module in mobile terminal, such installation form needs additionally to increase by two pins on battery, it must be introduced into more circuits to transmit NFC signals, the output pin transformation to battery is larger.The content of the invention
The embodiments of the invention provide a kind of battery and circuit, when being integrated in solving NFC antenna in battery, the problem of battery pin is more.
First aspect of the embodiment of the present invention provides a kind of battery, it may include：
Battery core, protection circuit, near-field communication aerial and the first isolation circuit and the second isolation circuit；The both positive and negative polarity of the battery core is electrically connected with the protection circuit respectively, and the protection circuit includes four output ends, for being used as the positive pole of the battery, negative pole, label detection output end and temperature detection output end；First pin of the near-field communication aerial is electrically connected by first isolation circuit with the temperature detection output end, the second pin of the near-field communication aerial is electrically connected by second isolation circuit with the label detection output end, the interference for the near-field-communication signal that the detection signal that first isolation circuit and the second isolation circuit are used to isolate the battery output is transmitted to the near-field communication aerial.
In the first possible implementation of first aspect, first isolation circuit includes the first electric capacity, first capacitance connection the temperature detection output end and the near-field communication aerial the first pin it
--, second isolation circuit includes the second electric capacity, and second capacitance connection is between the label detection output end and the second pin of the near-field communication aerial.
With reference to first aspect or the first possible implementation of combination first aspect, in second of possible implementation, the battery also includes the 3rd isolation circuit, 3rd isolation circuit includes the 3rd electric capacity, and the 3rd capacitance connection is between the first pin and second pin of the near-field communication aerial.
Second aspect of the embodiment of the present invention provides a kind of circuit, it may include：
Protection circuit, is connected respectively with the both positive and negative polarity of the battery core of battery, the discharge and recharge for managing the battery, exports the temperature detection signal of the battery by temperature detection output end and the label detection signal of the battery is exported by label detection output end；Between first pin of communication antenna, the interference for isolating the near-field-communication signal that the temperature detection signal is transmitted to near-field communication aerial in the battery；
Second isolation circuit, is connected in the mark output end of the protection circuit and the battery between the second pin of near-field communication aerial, the interference for isolating the near-field-communication signal that the label detection signal is transmitted to near-field communication aerial in the battery.
In the first possible implementation of second aspect, in addition to：
3rd isolation circuit, is connected between the first pin of near-field communication aerial in the battery and second pin.
With reference to second aspect or the first possible implementation of combination second aspect; in second of possible implementation; first isolation circuit includes the first electric capacity, and first capacitance connection is in the temperature detection output end and the battery of the protection circuit between the first pin of near-field communication aerial；
Second isolation circuit includes the second electric capacity, and second capacitance connection is in the mark output end and the battery of the protection circuit between the second pin of near-field communication aerial.
With reference to second aspect or first or second of possible implementation of combination second aspect, in the third possible implementation, 3rd isolation circuit includes the 3rd electric capacity, and the 3rd isolation capacitance is connected between the first pin of near-field communication aerial in the battery and second pin.
With reference to second aspect or first or second or the third possible implementation of combination second aspect; in the 4th kind of possible implementation; the protection circuit includes the negative pole connection of power management chip, thermistor and the mark battery core; signal output part is connected with the first end of the thermistor, the temperature-sensitive electricity
Second end of-- resistance is the temperature detection output end of the protection circuit, and first end of the signal output part also with the mark resistance is connected, and the second end of the mark resistance is the label detection output end of the protection circuit.
Implement the embodiment of the present invention, have the advantages that：Label detection output end is connected, and isolation circuit is set between the pin of near-field communication aerial and the output end of battery, so as to isolate the interference for the near-field-communication signal that the signal of battery output output is transmitted to near-field communication aerial, realize the multiplexing of near-field-communication signal transmission channel and existing battery output signal path, therefore new battery PIN need not be increased, reduce the hardware modification to battery, save hardware cost, near-field communication aerial is integrated in battery simultaneously, not easily damaged.Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, the required accompanying drawing used in embodiment will be briefly described below, apparently, drawings in the following description are only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the composition schematic diagram of battery of the embodiment of the present invention；
Fig. 2 is the composition schematic diagram of circuit first embodiment of the present invention；
Fig. 3 is the circuit diagram of circuit second embodiment of the present invention.Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.
Fig. 1 is refer to, is the composition schematic diagram of battery of the embodiment of the present invention；In the present embodiment, the battery includes：
Battery core 100, protection circuit 200, the isolation circuit 400 of near-field communication aerial 300 and first and the second isolation circuit 500;
The both positive and negative polarity of the battery core 100 is electrically connected with the protection circuit 200 respectively, and the protection circuit 200 includes four output ends, for being used as the positive pole of the battery, negative pole, label detection output end and temperature
--degree detection output；
First pin of the near-field communication aerial 300 is electrically connected by first isolation circuit 400 with the temperature detection output end, the second pin of the near-field communication aerial 300 is electrically connected by second isolation circuit 500 with the label detection output end, the interference for the near-field-communication signal that the detection signal that the isolation circuit 500 of the first isolation circuit 400 and second is used to isolate the battery output is transmitted to the near-field communication aerial 300.
Preferably, first isolation circuit 400 can include but is not limited to the first electric capacity, first capacitance connection is between the temperature detection output end and the first pin of the near-field communication aerial 300, second isolation circuit 500 can include but is not limited to the second electric capacity, and second capacitance connection is between the label detection output end and the second pin of the near-field communication aerial 300.
It is highly preferred that the battery also includes the 3rd isolation circuit, the 3rd isolation circuit includes the 3rd electric capacity, and the 3rd capacitance connection is between the first pin and second pin of the near-field communication aerial.Available for the coupling between two signal paths for reducing NFC antenna, it is to avoid influence each other.
It should be noted that, the characteristics of 13.56MHz low frequencies are used due to NFC technique, therefore, by selecting suitable isolation circuit to design, cause the output signal of battery output that high resistant characteristic is presented over the ground under the frequency, so as to avoid the influence to NFC performances, wherein, isolation circuit can be realized using electric capacity, it can also be realized using the combinational circuit of other electric capacity and inductance, need only assure that the signal of battery output output is multiplexed with the transmission channel of both near-field-communication signals, signal is mutually isolated.End and the connection of label detection output end, and isolation circuit is set between the pin of near-field communication aerial and the output end of battery, so as to isolate the interference for the near-field-communication signal that the signal of battery output output is transmitted to near-field communication aerial, realize the multiplexing of near-field-communication signal transmission channel and existing battery output signal path, therefore new battery PIN need not be increased, reduce the hardware modification to battery, save hardware cost, near-field communication aerial is integrated in battery simultaneously, not easily damaged.
Fig. 2 is refer to, is the composition schematic diagram of circuit first embodiment of the present invention；In the present embodiment, the circuit includes：
Protection circuit 10; it is connected respectively with the both positive and negative polarity of the battery core of battery; discharge and recharge for managing the battery, exports the temperature detection signal of the battery by temperature detection output end and the label detection signal of the battery is exported by label detection output end；
First isolation circuit 20, is connected to the temperature detection output end and the battery of the protection circuit 10
Between first pin of-- interior near-field communication aerial, the interference for isolating the near-field-communication signal that the temperature detection signal is transmitted to near-field communication aerial in the battery；
Second isolation circuit 30; it is connected in the mark output end of the protection circuit 10 and the battery between the second pin of near-field communication aerial, the interference for isolating the near-field-communication signal that the label detection signal is transmitted to near-field communication aerial in the battery.
Certainly; first isolation circuit 20 can also be connected in the mark output end of the protection circuit 10 and the battery between the second pin of near-field communication aerial; second isolation circuit 30 can also be connected in the mark output end of the protection circuit 10 and the battery between the second pin of near-field communication aerial, it is only necessary to isolate the interference of near-field-communication signal that the signal of battery protecting circuit output is transmitted to near-field communication aerial.
Alternatively, the circuit can also include：
3rd isolation circuit, is connected between the first pin of near-field communication aerial in the battery and second pin.
Fig. 3 is refer to, is the circuit diagram of circuit second embodiment of the present invention.In the present embodiment, the circuit includes：
Protection circuit, is connected respectively with the both positive and negative polarity of the battery core of battery, the discharge and recharge for managing the battery, exports the temperature detection signal of the battery by temperature detection output end and the label detection signal of the battery is exported by label detection output end；Between first pin of communication antenna, the interference for isolating the near-field-communication signal that the temperature detection signal is transmitted to near-field communication aerial in the battery；
Second isolation circuit, is connected in the mark output end of the protection circuit and the battery between the second pin of near-field communication aerial, the interference for isolating the near-field-communication signal that the label detection signal is transmitted to near-field communication aerial in the battery.
3rd isolation circuit, is connected between the first pin of near-field communication aerial in the battery and second pin.
Specifically, first isolation circuit includes the first electric capacity Cl, and the first electric capacity C1 is connected in the temperature detection output end of the protection circuit and the battery between the first pin of near-field communication aerial；Second isolation circuit includes the second electric capacity C2, and the second electric capacity C2 is connected in the mark output end of the protection circuit and the battery between the second pin of near-field communication aerial.
The isolation circuit of-- described 3rd includes the 3rd electric capacity C3, and the 3rd isolation capacitance C3 is connected between the first pin of near-field communication aerial in the battery and second pin.
The protection circuit includes power management chip Ul, thermistor NTC and mark resistance ID, the electrode input end VDD of the power management chip U1 is connected with the positive pole B+ of the battery core, negative input S1 is connected with the negative pole B- of the battery core, signal output part S2 is connected with the first end of the thermistor NTC, the second end of the thermistor NTC is the temperature detection output end of the protection circuit, first ends of the signal output part S2 also with the mark resistance ID is connected, the second end of the mark resistance ID is the label detection output end of the protection circuit.
Wherein, the model of the power management chip U1 can be MP43AB, terminal can learn the type of battery by reading mark resistance ID resistance, Ni-MH battery and lithium ion battery are such as distinguished according to the difference of resistance, can also distinguish between battery is high capacity cell or common capacity batteries；Terminal can also obtain the temperature value of battery by reading thermistor NTC resistance, so as to carry out corresponding protection act to battery.Environment for example beyond 0 ~ 45 degree Celsius, terminal is without charging, and terminal is shut down by force outside -20 ~ 60 degrees Celsius of scope, is protected with this and tolerates the risky operation in environment in non-battery.
The protection circuit also includes first resistor Rl, second resistance R2, 4th electric capacity C4 and the 5th electric capacity C5, the first resistor R1 is connected between the positive pole B+ of the battery core and the power management chip U1 electrode input end VDD, the positive pole B+ of the battery core is the positive pole P+ of the battery, the first termination power management chip U1 of second resistance R2 cathode output end V-, the second end of the second resistance R2 for the battery negative pole P-, the 4th electric capacity C4 is connected between the electrode input end VDD of the power management chip U1 and negative input S1, the 5th electric capacity C5 is connected between the negative input V- of the power management chip U1 and the second resistance R2 the second end, signal output part S2 of the second end of the second resistance R2 also with the power management chip U1 is connected.
Wherein, first resistor R1 and the 4th electric capacity C4 is used for stabilized power source ripple, in a kind of feasible embodiment, and R1 resistance can be 1000 ohm, and C1 is 0.1 microfarad；First resistor R1 and second resistance R2 is used to be used as current-limiting resistance when charger reversal connection or extra-high voltage charger misconnection.R2 resistance can be 2200 ohm；5th electric capacity C5 is used to, by suppressing voltage ripple and input noise come systems stabilisation, may be configured as 0.1 microfarad.
It should be noted that each embodiment in this specification is described by the way of progressive, what each embodiment was stressed be between the difference with other embodiments, each embodiment identical similar part mutually referring to.For device embodiment, because it is substantially similar to embodiment of the method, so
What is described is fairly simple, and the relevent part can refer to the partial explaination of embodiments of method.
By the description of above-described embodiment, the present invention has advantages below：Label detection output end is connected, and isolation circuit is set between the pin of near-field communication aerial and the output end of battery, so as to isolate the interference for the near-field-communication signal that the signal of battery output output is transmitted to near-field communication aerial, realize the multiplexing of near-field-communication signal transmission channel and existing battery output signal path, therefore new battery PIN need not be increased, reduce the hardware modification to battery, save hardware cost, near-field communication aerial is integrated in battery simultaneously, not easily damaged.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can be completed by the related hardware of programmed instruction, and foregoing program can be stored in a computer read/write memory medium, and the program upon execution, performs the step of including above method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or CD etc. are various can be with the medium of store program codes.
A kind of battery and circuit provided above the embodiment of the present invention is described in detail, the method and its core concept used herein that the present invention is understood in help；Simultaneously for those of ordinary skill in the art, according to the thought of the present invention, it will change in specific embodiments and applications, in summary, this specification content should not be construed as limiting the invention.
Claims (1)
- Claim1st, a kind of battery, it is characterised in that including：Battery core, protection circuit, near-field communication aerial and the first isolation circuit and the second isolation circuit；The both positive and negative polarity of the battery core is electrically connected with the protection circuit respectively, and the protection circuit includes four output ends, for being used as the positive pole of the battery, negative pole, label detection output end and temperature detection output end；First pin of the near-field communication aerial is electrically connected by first isolation circuit with the temperature detection output end, the second pin of the near-field communication aerial is electrically connected by second isolation circuit with the label detection output end, the interference for the near-field-communication signal that the detection signal that first isolation circuit and the second isolation circuit are used to isolate the battery output is transmitted to the near-field communication aerial.2nd, battery as claimed in claim 1, it is characterized in that, first isolation circuit includes the first electric capacity, first capacitance connection is between the temperature detection output end and the first pin of the near-field communication aerial, second isolation circuit includes the second electric capacity, and second capacitance connection is between the label detection output end and the second pin of the near-field communication aerial.3rd, battery as claimed in claim 1 or 2, it is characterized in that, the battery also includes the 3rd isolation circuit, and the 3rd isolation circuit includes the 3rd electric capacity, and the 3rd capacitance connection is between the first pin and second pin of the near-field communication aerial.4th, a kind of circuit, it is characterised in that including：Protection circuit, is connected respectively with the both positive and negative polarity of the battery core of battery, the discharge and recharge for managing the battery, exports the temperature detection signal of the battery by temperature detection output end and the label detection signal of the battery is exported by label detection output end；Between first pin of communication antenna, the interference for isolating the near-field-communication signal that the temperature detection signal is transmitted to near-field communication aerial in the battery；Second isolation circuit, is connected in the mark output end of the protection circuit and the battery between the second pin of near-field communication aerial, for isolating the label detection signal to near-field communication aerial in the battery The interference of the near-field-communication signal of transmission.5th, circuit as claimed in claim 4, it is characterised in that also include：3rd isolation circuit, is connected between the first pin of near-field communication aerial in the battery and second pin.6th, the circuit as described in claim 4 or 5, it is characterised in that first isolation circuit includes the first electric capacity, and first capacitance connection is in the temperature detection output end and the battery of the protection circuit between the first pin of near-field communication aerial；Second isolation circuit includes the second electric capacity, and second capacitance connection is in the mark output end and the battery of the protection circuit between the second pin of near-field communication aerial.7th, the circuit as described in claim any one of 4-6, it is characterised in that the 3rd isolation circuit includes the 3rd electric capacity, the 3rd isolation capacitance is connected between the first pin of near-field communication aerial in the battery and second pin.8, circuit as described in claim any one of 4-7, it is characterized in that, the protection circuit includes power management chip, thermistor and mark resistance, the electrode input end of the power management chip is connected with the positive pole of the battery core, negative input is connected with the negative pole of the battery core, signal output part is connected with the first end of the thermistor, second end of the thermistor is the temperature detection output end of the protection circuit, first end of the signal output part also with the mark resistance is connected, second end of the mark resistance is the label detection output end of the protection circuit.9, circuit as claimed in claim 8, it is characterized in that, the protection circuit also includes first resistor, second resistance, 4th electric capacity and the 5th electric capacity, the first resistor is connected between the electrode input end of the positive pole of the battery core and the power management chip, the positive pole of the just extremely described battery of the battery core, the cathode output end of the first termination power management chip of the second resistance, second end of the second resistance is the negative pole of the battery, 4th capacitance connection is between the electrode input end and negative input of the power management chip, 5th capacitance connection is between the negative input of the power management chip and the second end of the second resistance, signal of second end of the second resistance also with the power management chip Output end is connected.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2014/077809 WO2015176216A1 (en) | 2014-05-19 | 2014-05-19 | Battery and circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105409055A true CN105409055A (en) | 2016-03-16 |
Family
ID=54553174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480015577.8A Pending CN105409055A (en) | 2014-05-19 | 2014-05-19 | Battery and circuit |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105409055A (en) |
| WO (1) | WO2015176216A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112216885A (en) * | 2020-10-15 | 2021-01-12 | 上海畅联智融通讯科技有限公司 | Mobile terminal battery life cycle reading circuit |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107599758A (en) * | 2017-09-13 | 2018-01-19 | 深圳市永奥图电子有限公司 | A kind of tyre pressure sensor and tire pressure data query method |
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- 2014-05-19 WO PCT/CN2014/077809 patent/WO2015176216A1/en active Application Filing
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| CN1144423A (en) * | 1995-06-22 | 1997-03-05 | 日立电子株式会社 | Electronic equipment and method for enabling plural types of batteries to be selectively used |
| US20070057851A1 (en) * | 2005-09-15 | 2007-03-15 | Motorola, Inc. | Wireless communication device with integrated battery/antenna system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112216885A (en) * | 2020-10-15 | 2021-01-12 | 上海畅联智融通讯科技有限公司 | Mobile terminal battery life cycle reading circuit |
| CN112216885B (en) * | 2020-10-15 | 2021-11-05 | 上海畅联智融通讯科技有限公司 | Mobile terminal battery life cycle reading circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015176216A1 (en) | 2015-11-26 |
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