CN110707354A - Mobile phone lithium ion battery suitable for low-temperature environment - Google Patents
Mobile phone lithium ion battery suitable for low-temperature environment Download PDFInfo
- Publication number
- CN110707354A CN110707354A CN201910993185.3A CN201910993185A CN110707354A CN 110707354 A CN110707354 A CN 110707354A CN 201910993185 A CN201910993185 A CN 201910993185A CN 110707354 A CN110707354 A CN 110707354A
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- CN
- China
- Prior art keywords
- lithium ion
- ion battery
- friction ring
- wall
- battery body
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
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- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention discloses a mobile phone lithium ion battery suitable for a low-temperature environment, which comprises a lithium ion battery body, wherein the side wall of the lithium ion battery body is provided with an annular cavity, the inner wall of the annular cavity is connected with a friction ring in a sliding manner, an insulation board is embedded on the inner wall of the annular cavity, the side wall of the lithium ion battery body is provided with a strip-shaped groove, and a driving device for driving the friction ring to move up and down is arranged in the strip-shaped groove. According to the invention, the capacitor and the spiral coil are connected in series through the temperature control sheet at a low temperature state to form an LC series circuit, and oscillation current with periodically changed magnitude and direction is generated in the LC series circuit, so that the spiral coil with the iron core arranged inside generates a magnetic field with constantly changed magnitude and direction of magnetic force, and the magnetic friction ring can be pushed to slide up and down in the annular cavity to continuously rub to generate heat, so that the ambient temperature of the lithium ion battery is raised, and the lithium ion battery is prevented from being discharged in a low-temperature environment to damage the battery or the mobile phone.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to a lithium ion battery of a mobile phone, which is suitable for a low-temperature environment.
Background
The working principle of the lithium ion battery is that potential difference occurs between the positive electrode and the negative electrode through the change of chemical reaction of internal electrolyte, so that current is generated. At present, most of batteries used in electronic products such as mobile phones are lithium ion batteries.
The battery is located in an environment temperature which is a key factor influencing the performance of the battery, in low-temperature zones such as the north of China, the outdoor temperature in winter can often reach about-30 ℃, electrolyte moves quite slowly in the low-temperature environment, so that the transfer activity of lithium ions between a positive electrode and a negative electrode is influenced, the discharge current of the battery is reduced, the capacity of the battery is reduced, the situations of quick power consumption, black screen, halt, failure of a touch screen, internet access failure and the like can occur, and when the battery enters a warm room from a cold outdoor place, the temperature change can also cause the interior of a mobile phone to be condensed into water mist, and a circuit board is short-circuited or has other faults.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a lithium ion battery of a mobile phone suitable for a low-temperature environment, which generates heat through continuous friction between a friction ring and the inner wall of an annular cavity, so that the ambient temperature of the lithium ion battery is increased, and the lithium ion battery is prevented from being discharged in the low-temperature environment to damage the battery or the mobile phone; the magnetic induction lines of the magnetic field can be continuously cut in the process that the friction ring moves up and down in the annular cavity, induced electromotive force is generated inside the friction ring, eddy current is generated, the temperature inside the friction ring is rapidly increased, and the ambient temperature of the lithium ion battery can be further increased in the process that the friction ring moves up and down.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a cell-phone lithium ion battery suitable for low temperature environment, includes the lithium ion battery body, the annular chamber has been seted up to lithium ion battery body lateral wall, sliding connection has the friction ring on the annular chamber inner wall, it is equipped with the heated board to inlay on the inner wall of annular chamber, the bar groove has been seted up to the lateral wall of lithium ion battery body, the drive arrangement that the drive friction ring reciprocated is installed to the bar inslot.
Preferably, drive arrangement includes the iron core of fixed connection at bar inslot top, the condenser is installed to the bar inslot, it is equipped with helical coil to inlay on the lateral wall of lithium ion battery body, just the friction ring is made by the magnetic material that can electrically conduct, square groove has been seted up on the inner wall in bar groove, square inslot is installed the coupling and is being circled the temperature control piece at the helical coil, condenser, helical coil and temperature control piece all couple in the discharge circuit of lithium ion battery body.
The invention has the following beneficial effects:
1. the capacitor and the spiral coil are coupled together through the temperature control sheet in a low-temperature state, an LC series circuit is formed, when the lithium ion battery discharges to the mobile phone, partial current can be conveyed to the LC series circuit, and oscillation current with periodically changed magnitude and direction is generated in the LC series circuit, so that the spiral coil with the iron core arranged inside generates a magnetic field with constantly changed magnitude and direction of magnetic force, the magnetic friction ring can be pushed to slide up and down in the annular cavity, the friction ring continuously rubs with the inner wall of the annular cavity to generate heat, the ambient temperature of the lithium ion battery is increased, and the lithium ion battery is prevented from being discharged in a low-temperature environment to damage the battery or the mobile phone;
2. the oscillating current with the size and the direction changing periodically is generated in the LC series circuit, so that the spiral coil with the iron core arranged inside generates a magnetic field with the size and the direction changing constantly, the friction ring can continuously cut a magnetic induction line of the magnetic field in the process of moving up and down in the annular cavity, induced electromotive force is generated inside the friction ring and eddy current is generated, the temperature inside the friction ring is raised quickly, and the ambient temperature of the lithium ion battery can be further raised in the process of moving up and down the friction ring;
3. by arranging the temperature control sheet which controls the connection and disconnection of the LC series circuit along with the temperature change, when the temperature of the lithium ion battery rises to a set value, the LC series circuit can be disconnected, and the battery is prevented from being damaged due to overhigh temperature;
4. through set up the heated board on the one side inner wall at the annular chamber, when the disconnection of LC cluster and no longer to lithium ion battery supply heat, the heated board after the quilt friction intensifies slowly to becoming cold battery body release heat gradually for lithium ion battery's temperature keeps at a higher temperature a period, makes LC cluster off-time extension, can significantly reduce the electric energy of supplying with to the LC cluster, thereby reduces lithium ion battery's electric energy consumption.
Drawings
Fig. 1 is a schematic structural diagram of a lithium ion battery for a mobile phone suitable for a low-temperature environment according to the present invention;
fig. 2 is an enlarged schematic view of a structure at a position a of the lithium ion battery for a mobile phone suitable for a low-temperature environment according to the present invention.
In the figure: 1 lithium ion battery body, 2 bar grooves, 3 spiral coils, 4 iron cores, 5 capacitors, 6 annular chambers, 7 friction rings, 8 insulation boards, 9 temperature control pieces and 10 square grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-2, a cell-phone lithium ion battery suitable for low temperature environment, includes lithium ion battery body 1, and annular chamber 6 has been seted up to lithium ion battery body 1 lateral wall, and sliding connection has friction ring 7 on the 6 inner walls of annular chamber, inlays on the inner wall of annular chamber 6 and is equipped with heated board 8, and bar groove 2 has been seted up to lithium ion battery body 1's lateral wall, installs the drive arrangement that drive friction ring 7 reciprocated in the bar groove 2.
It is worth mentioning that the insulation board 8 is made of a asbestos material with good heat insulation performance, and the outer wall of the insulation board 8 is coated with a layer of wear-resistant coating, so that the wear resistance of the insulation board 8 is improved, and the service life of the insulation board 8 is prolonged.
Utilize friction ring 7 and annular chamber 6 to cooperate for friction ring 7 is at the upper and lower removal in-process, and the inner wall of friction ring 7 and outer wall all produce the friction with the lateral wall of heated board 8 and the inner wall of annular chamber 6 respectively, can produce more heat fast.
Drive arrangement includes iron core 4 at top in bar groove 2 of fixed connection, install condenser 5 in bar groove 2, it is equipped with helical coil 3 to inlay on lithium ion battery body 1's the lateral wall, set up iron core 4 at helical coil 3, can form the electro-magnet when helical coil 3 circular telegram, and friction ring 7 is made by the magnetic material that can electrically conduct, and is concrete, friction ring 7 is made by carbon steel class magnetic material, square groove 10 has been seted up on bar groove 2's the inner wall, install temperature control piece 9 of coupling on helical coil 3 in the square groove 10, condenser 5, helical coil 3 and temperature control piece 9 all couple in lithium ion battery body 1's discharge circuit.
It should be noted that the LC series resonance period formed by the capacitor 5 and the spiral coil 3 is long, and the magnetic field variation process generated by the LC series resonance period is enough to move the friction ring 7 made of magnetic material up and down in the annular cavity 6. And the minimum strength of the magnetic field variation process is sufficient to push the friction ring 7 to move upward.
In the invention, when the environment temperature of the lithium ion battery body 1 is lower, the temperature control sheet 9 couples the capacitor 5 and the spiral coil 3 together to form an LC series circuit and conduct the circuit, when the lithium ion battery body 1 discharges to a mobile phone, partial current can be conveyed to the LC series circuit, and oscillation current with periodically changed magnitude and direction is generated in the LC series circuit, so that an electromagnet formed by the iron core 4 and the spiral coil 3 generates a magnetic field with constantly changed magnitude and direction, the friction ring 7 made of a magnetic material is constantly attracted and repelled, the friction ring 7 moves up and down in the annular cavity 6, the inner wall and the outer wall of the friction ring 7 can constantly rub the inner wall of the annular cavity 6 and the insulation board 8, heat is generated to raise the lithium ion battery body 1, and the lithium ion battery body 1 is prevented from working at low temperature.
Meanwhile, the friction ring 7 can conduct electricity, so that the friction ring 7 can continuously cut magnetic induction lines of a magnetic field with continuously changing size and direction in the process of continuous up-and-down movement of the annular cavity 6, induced electromotive force is generated inside the friction ring 7, electric charge is driven to move to generate eddy current, the temperature of the friction ring 7 is rapidly raised, heat is supplied to the lithium ion battery body 1 with low temperature, and the ambient temperature of the lithium ion battery body 1 is further raised.
When the temperature of the lithium ion battery body 1 is higher, the temperature control sheet 9 can disconnect the LC series circuit, so that the battery damage caused by overhigh temperature of the battery is avoided, meanwhile, the heat of the heat insulation board 8 after being heated by friction is slowly released to the lithium ion battery body 1 which is cooled gradually, the temperature of the lithium ion battery body 1 is maintained for a period of time, the disconnection time of the LC series circuit is prolonged, and the electric energy consumption of the lithium ion battery body 1 can be reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (2)
1. The utility model provides a cell-phone lithium ion battery suitable for low temperature environment, includes lithium ion battery body (1), its characterized in that, annular chamber (6) have been seted up to lithium ion battery body (1) lateral wall, sliding connection has friction ring (7) on annular chamber (6) inner wall, inlay on the inner wall of annular chamber (6) and be equipped with heated board (8), bar groove (2) have been seted up to the lateral wall of lithium ion battery body (1), install the drive arrangement that drive friction ring (7) reciprocated in bar groove (2).
2. The mobile phone lithium ion battery suitable for the low-temperature environment is characterized in that the driving device comprises an iron core (4) fixedly connected to the inner top of a strip-shaped groove (2), a capacitor (5) is installed in the strip-shaped groove (2), a spiral coil (3) is embedded on the side wall of the lithium ion battery body (1), the friction ring (7) is made of a conductive magnetic material, a square groove (10) is formed in the inner wall of the strip-shaped groove (2), a temperature control sheet (9) coupled on the spiral coil (3) is installed in the square groove (10), and the capacitor (5), the spiral coil (3) and the temperature control sheet (9) are all coupled in a discharge circuit of the lithium ion battery body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910993185.3A CN110707354B (en) | 2019-10-18 | 2019-10-18 | Mobile phone lithium ion battery suitable for low-temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910993185.3A CN110707354B (en) | 2019-10-18 | 2019-10-18 | Mobile phone lithium ion battery suitable for low-temperature environment |
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| Publication Number | Publication Date |
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| CN110707354A true CN110707354A (en) | 2020-01-17 |
| CN110707354B CN110707354B (en) | 2022-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910993185.3A Active CN110707354B (en) | 2019-10-18 | 2019-10-18 | Mobile phone lithium ion battery suitable for low-temperature environment |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4101800A1 (en) * | 1991-01-23 | 1992-07-30 | Hessabi Iradj | Heat generator with moving friction plate and heat stores |
| CN101707268A (en) * | 2009-11-23 | 2010-05-12 | 泰兴市航联电连接器有限公司 | Heating device of liquid lead-acid storage battery low-voltage full-bridge series resonance soft-switching circuit |
| JP2010244863A (en) * | 2009-04-07 | 2010-10-28 | Toyota Motor Corp | Power storage device |
| CN106410302A (en) * | 2016-12-02 | 2017-02-15 | 天津四洋新能源科技有限公司 | High-and-low-temperature-controllable power lithium ion battery device |
| CN108306079A (en) * | 2018-03-29 | 2018-07-20 | 成都纵横大鹏无人机科技有限公司 | Unmanned plane battery thermal device and heat preserving method |
| CN208368693U (en) * | 2018-06-14 | 2019-01-11 | 无锡市华荣机械制造有限公司 | A kind of attemperator for battery in electric car |
-
2019
- 2019-10-18 CN CN201910993185.3A patent/CN110707354B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4101800A1 (en) * | 1991-01-23 | 1992-07-30 | Hessabi Iradj | Heat generator with moving friction plate and heat stores |
| JP2010244863A (en) * | 2009-04-07 | 2010-10-28 | Toyota Motor Corp | Power storage device |
| CN101707268A (en) * | 2009-11-23 | 2010-05-12 | 泰兴市航联电连接器有限公司 | Heating device of liquid lead-acid storage battery low-voltage full-bridge series resonance soft-switching circuit |
| CN106410302A (en) * | 2016-12-02 | 2017-02-15 | 天津四洋新能源科技有限公司 | High-and-low-temperature-controllable power lithium ion battery device |
| CN108306079A (en) * | 2018-03-29 | 2018-07-20 | 成都纵横大鹏无人机科技有限公司 | Unmanned plane battery thermal device and heat preserving method |
| CN208368693U (en) * | 2018-06-14 | 2019-01-11 | 无锡市华荣机械制造有限公司 | A kind of attemperator for battery in electric car |
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| CN110707354B (en) | 2022-07-19 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20220628 Address after: 523000 room 702, building 2, No. 310, Songbai Road, Liaobu Town, Dongguan City, Guangdong Province Applicant after: DONGGUAN BOB ELECTRONICS CO.,LTD. Address before: 439 Xueyuan Road, Yueyanglou District, Yueyang City, Hunan Province 414000 Applicant before: Zhang Xun |
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