CN106486693B - 1.5V constant-voltage lithium battery capable of replacing No. 5 disposable alkaline battery and production method thereof - Google Patents
1.5V constant-voltage lithium battery capable of replacing No. 5 disposable alkaline battery and production method thereof Download PDFInfo
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- CN106486693B CN106486693B CN201611002615.3A CN201611002615A CN106486693B CN 106486693 B CN106486693 B CN 106486693B CN 201611002615 A CN201611002615 A CN 201611002615A CN 106486693 B CN106486693 B CN 106486693B
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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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- 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
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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
- 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
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- Chemical Kinetics & Catalysis (AREA)
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- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to a 1.5V constant voltage lithium battery capable of replacing a No. 5 disposable alkaline battery and a production method thereof, and the lithium battery comprises a cylindrical lithium ion battery core, wherein the upper end of the cylindrical lithium ion battery core is buckled with an insulating cylindrical battery core bracket, a circuit board used for reducing the output voltage of the cylindrical lithium ion battery core is arranged in the cylindrical battery core bracket, a positive conductive connecting piece used for fastening the voltage reduction circuit board and communicating the positive input end of the voltage reduction circuit board with the output positive electrode of the cylindrical lithium ion battery core is arranged on the voltage reduction circuit board, a negative conductive connecting piece connected with the negative input end of the voltage reduction circuit board is arranged on the negative shell of the cylindrical lithium ion battery core, and a battery cap connected with the output end of the voltage reduction circuit board is also embedded at the upper part of the cylindrical battery core bracket. The constant-voltage lithium battery is compact in structure and convenient to use.
Description
Technical Field
The invention relates to a 1.5V constant-voltage lithium battery capable of replacing a No. 5 disposable alkaline battery and a production method thereof.
Background
The disposable No. 5 alkaline battery has short service life, and the voltage can be continuously reduced along with the increase of the service time in the use process, so that the voltage is unstable and the like, and the lithium ion battery becomes a trend to replace the disposable No. 5 alkaline battery. However, the nominal cell voltage of the lithium ion battery is 3.7V, so that the lithium ion battery cannot be directly applied to the field of 1.5V alkaline batteries, and the lithium ion battery needs to be subjected to voltage reduction.
Because the existing step-down circuit board is basically connected with the positive electrode output end and the negative electrode output end of the lithium ion battery core in a resistance spot welding or soldering tin mode, the processing and the assembly of the lithium ion battery which can replace the disposable No. 5 alkaline battery are more complex, the efficiency is low, and the reworking is difficult if the defect occurs in the production process.
Disclosure of Invention
The invention aims to provide a 1.5V constant-voltage lithium battery capable of replacing a No. 5 disposable alkaline battery and a production method thereof, and the constant-voltage lithium battery is compact in structure, convenient to use and simple in assembly method.
The technical scheme of the invention is as follows: the utility model provides a 1.5V constant voltage lithium cell of disposable alkaline cell of interchangeable No. 5, includes cylindrical lithium ion battery core, the upper end lock joint of cylindrical lithium ion battery core has insulating tube-shape electric core support, be provided with the step-down circuit board that is used for reducing cylindrical lithium ion battery core output voltage in the tube-shape electric core support, be provided with the anodal conductive connection spare that is used for fastening step-down circuit board and communicates step-down circuit board's anodal input and cylindrical lithium ion battery core output anodal on the step-down circuit board, be provided with the negative pole conductive connection spare that is connected with step-down circuit board's negative pole input on the negative pole shell of cylindrical lithium ion battery core, the battery cap that is connected with step-down circuit board's output has still been inlayed on tube-shape electric core support upper portion.
Further, the middle part of the upper end of the cylindrical lithium ion battery cell is provided with an anode convex cap, a supporting seat for supporting the voltage reduction circuit board is arranged in the cylindrical battery cell bracket, and the anode conductive connecting piece is a conductive screw and passes through the voltage reduction circuit board and the supporting seat from top to bottom to be in threaded connection with a threaded hole arranged on the anode convex cap.
Further, a plurality of clamping grooves are formed in the periphery of the positive electrode convex cap at intervals, clamping claws integrally formed with the supporting seat and the cylindrical battery cell support are arranged at the lower part of the supporting seat, and the clamping claws are clamped into the clamping grooves to realize the buckling connection between the cylindrical battery cell support and the cylindrical lithium ion battery cell.
Further, the negative electrode conductive connecting piece comprises an annular pressing reed clamped between the cylindrical battery cell bracket and the negative electrode shell, and the annular pressing reed is provided with a crutch-shaped elastic sheet connected with the negative electrode input end of the voltage reduction circuit board.
Further, an annular step surface for supporting the lower end face of the battery cover cap is arranged in the cylindrical battery cell support, and an arc-shaped conductive spring sheet which is pressed on the inner side wall of the battery cover cap and used for realizing that the battery cover cap is embedded in the cylindrical battery cell support is arranged on the positive electrode output end of the side part of the voltage reduction circuit board.
Further, the inner side wall of the cylindrical battery core bracket is also longitudinally provided with a groove which is matched with the arc-shaped conductive elastic sheet to realize positioning when the voltage reduction circuit board is installed.
An assembly method of a 1.5V constant voltage lithium battery capable of replacing a No. 5 disposable alkaline battery comprises the following steps:
1) Drilling a threaded hole on a positive electrode convex cap of a prefabricated cylindrical lithium ion battery core;
2) Placing the prefabricated negative electrode conductive connecting piece at the upper end of a negative electrode shell of the cylindrical lithium ion battery cell;
3) The cylindrical battery cell bracket is buckled with the cylindrical lithium ion battery cell;
4) Placing the voltage reduction circuit board in a cylindrical battery core bracket, and enabling a negative electrode input point of the voltage reduction circuit board to be abutted with a crutch-shaped elastic sheet of a negative electrode conductive connecting piece;
5) The conductive screw penetrates through the voltage reduction circuit board and the supporting seat and is fastened with the threaded hole on the positive electrode convex cap;
6) The battery cover cap is plugged into the cylindrical battery core bracket and is connected with the output end of the voltage reduction circuit board.
Further, after the battery cap in the step 5 is installed, a layer of color printing heat-shrinkable sleeve is wrapped on the cylindrical lithium ion battery core and the cylindrical battery core support.
Compared with the prior art, the invention has the following advantages: the voltage reduction circuit board of the 1.5V constant-voltage lithium battery is directly connected with the battery core in a butt joint mode through the conductive screw, and the butt joint strength is improved. And a 1.5V constant voltage lithium battery can replace a disposable No. 5 alkaline battery, the service life of the lithium battery can be longer than hundreds of times longer than that of a 1.5V alkaline battery, the lithium battery is energy-saving, environment-friendly and pollution-free, can be circularly used in charge and discharge, has stable output voltage of 1.5V, can continuously discharge current of 1A, and can meet the application of most toy racing vehicles and related electronic products.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the present invention in an exploded state;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is an enlarged view of area A of FIG. 3 in accordance with the present invention;
fig. 5 is a schematic block diagram of a lithium battery of the present invention;
in the figure: the battery comprises a cylindrical lithium ion battery cell 11, a positive electrode convex cap 12, a clamping groove 13, a threaded hole 20, a cylindrical battery cell bracket 21, a supporting seat 22, a clamping jaw 23, a groove 24, an annular step part 30, a voltage reduction circuit board 31, an arc-shaped conductive elastic sheet 40, a conductive screw 51, an annular conductive ring 52, a crutch-shaped elastic sheet 60 and a battery cap.
Detailed Description
In order to make the above features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below, but the present invention is not limited thereto.
Referring to fig. 1 to 5
The utility model provides a 1.5V constant voltage lithium cell of disposable alkaline cell of interchangeable No. 5, includes cylindrical lithium ion battery cell 10, cylindrical lithium ion battery cell's upper end lock joint has insulating tube-shape electric core support 20, be provided with the step-down circuit board 30 that is used for reducing cylindrical lithium ion battery cell output voltage in the tube-shape electric core support, be provided with the anodal conductive connection spare that is used for fastening step-down circuit board and communicates step-down circuit board's anodal input and cylindrical lithium ion battery cell output anodal on the step-down circuit board, be provided with the negative pole conductive connection spare that is connected with step-down circuit board's negative pole input on the negative pole shell of cylindrical lithium ion battery cell, the battery cap 60 that is connected with step-down circuit board's output is still inlayed on tube-shape electric core support's upper portion. The total length and diameter of the 1.5V constant voltage lithium battery are the same as those of the 1.5V No. 5 alkaline battery. The built-in charging management circuit of the 1.5V constant-voltage lithium battery outputs 4.2V500mA to charge the lithium battery, and the 1.5V constant-voltage lithium battery can be charged through an external special 5V2A charging seat.
In this embodiment, the upper end middle part of cylindrical lithium ion battery core is provided with positive protruding cap 11, be provided with the supporting seat 21 that is used for supporting the step-down circuit board in the tube-shape battery core support, positive conductive connection spare is conductive screw 40 and top-down passes step-down circuit board, supporting seat and the screw hole 13 looks spiro union that sets up on the protruding cap of positive to communicate the positive pole of output of cylindrical lithium ion battery core and the positive pole input of step-down circuit board through conductive screw, improve butt joint intensity, guarantee conductivity, overcome current electric welding processing and installation inconvenience.
In this embodiment, a plurality of clamping grooves 12 are formed in the peripheral portion of the positive electrode convex cap at intervals, a claw 22 integrally formed with the supporting seat and the cylindrical battery cell support is arranged at the lower portion of the supporting seat, the claw is clamped into the clamping groove to achieve buckling connection between the cylindrical battery cell support and the cylindrical lithium ion battery cell, and connection between the cylindrical battery cell support and the cylindrical lithium ion battery cell is simplified.
In this embodiment, the negative electrode conductive connecting piece includes an annular pressing reed 51 clamped between the cylindrical battery core support and the negative electrode casing, and the annular pressing reed is provided with a crutch-shaped elastic sheet 52 connected with the negative electrode input end of the voltage reduction circuit board, so as to ensure the connection strength between the negative electrode casing and the negative electrode input end of the voltage reduction circuit board.
In this embodiment, an annular step surface 24 for supporting the lower end surface of the battery cap is disposed in the cylindrical battery cell support, and an arc-shaped conductive elastic sheet 31 which turns upward is disposed on the positive output end of the side portion of the voltage reduction circuit board and is used for pressing the inner side wall of the battery cap to realize that the battery cap is embedded in the cylindrical battery cell support, so as to limit the battery cap in the cylindrical battery cell support.
In this embodiment, the inner side wall of the cylindrical battery core support is further longitudinally provided with a groove 23 which is matched with the arc-shaped conductive elastic sheet to realize positioning when the voltage reduction circuit board is installed, so that the positioning effect of the voltage reduction circuit board is improved.
The assembly method of the 1.5V constant voltage lithium battery capable of replacing the No. 5 disposable alkaline battery comprises the following steps:
1) Drilling a threaded hole on a positive electrode convex cap of a prefabricated cylindrical lithium ion battery core;
2) Placing the prefabricated negative electrode conductive connecting piece at the upper end of a negative electrode shell of the cylindrical lithium ion battery cell;
3) The claw of the cylindrical battery cell bracket is buckled with the clamping groove on the positive electrode convex cap of the cylindrical lithium ion battery cell;
4) The step-down circuit board is placed in the cylindrical battery core bracket, positioning of the step-down circuit board is achieved through the groove, and a negative electrode input point of the step-down circuit board is abutted with the crutch-shaped elastic sheet of the negative electrode conductive connecting piece;
5) The conductive screw penetrates through the voltage reduction circuit board and the supporting seat and is fastened with the threaded hole on the positive electrode convex cap, so that connection of an input positive electrode of the voltage reduction circuit and fastening of the voltage reduction circuit board are completed, and a conductive effect is ensured;
6) The battery cover cap is plugged into the cylindrical battery core bracket, and the inner side wall of the battery cover cap is clamped between the arc-shaped conductive elastic sheet and the cylindrical battery core bracket, so that the assembly is completed.
In the embodiment, after the battery cap in the step 5 is installed, a layer of color printing heat-shrinkable sleeve is wrapped on the cylindrical lithium ion battery core and the cylindrical battery core bracket, so that a 1.5V constant-voltage lithium battery capable of replacing the disposable alkaline battery in the step 5 is formed.
The working principle of the 1.5V constant-voltage lithium battery is described as follows:
the 1.5V constant-voltage lithium battery adopts a 14400 mA cylindrical lithium ion battery core, the nominal voltage of the cylindrical lithium ion battery core is 3.7V, and the 3.7V of the lithium battery is reduced to 1.5V through a DCtoDC voltage reducing circuit to realize the same voltage as the alkaline battery. The step-down circuit board is internally provided with a constant-current/constant-voltage charging management circuit, a step-down circuit and a lithium battery protection circuit, and the circuit has safety protection such as overcharge, overdischarge, overcurrent, overtemperature, short circuit and the like (see fig. 5). 1.5V constant voltage lithium battery charge and discharge same-mouth, set up input and output same-mouth isolation circuit in the interior, both: the voltage of 5V is input from the battery positive electrode cap during charging, and the voltage is output from 1.5V through an internal circuit during discharging, so that the voltage is not influenced mutually. The circuit is in a working voltage range of 4.2V-2.5V of the lithium battery, and after the circuit board is used for reducing the voltage, the output of the battery is constantly 1.5V, so that the circuit can replace a 5# AA1..5V alkaline battery, is not limited to the application of the 5# alkaline battery, such as the principle of the standard 7# alkaline battery, the standard 2# alkaline battery and the standard 1# alkaline battery in the market, can be used in a charging and discharging mode, and is an ideal choice for replacing the 5# disposable alkaline battery.
The foregoing is only illustrative of the preferred embodiments of the present invention, and it will be apparent to those skilled in the art from this disclosure that, based upon the teachings herein, no inventive effort is required to devise various arrangements of 1.5V constant voltage lithium batteries which, although variations, modifications, substitutions and alterations herein are possible without departing from the spirit and scope of the invention.
Claims (6)
1. The 1.5V constant voltage lithium battery capable of replacing the No. 5 disposable alkaline battery comprises a cylindrical lithium ion battery core and is characterized in that the upper end of the cylindrical lithium ion battery core is buckled with an insulating cylindrical battery core support, a voltage reduction circuit board used for reducing the output voltage of the cylindrical lithium ion battery core is arranged in the cylindrical battery core support, a positive electrode conductive connecting piece used for fastening the voltage reduction circuit board and communicating the positive electrode input end of the voltage reduction circuit board with the output positive electrode of the cylindrical lithium ion battery core is arranged on the voltage reduction circuit board, a positive electrode convex cap is arranged in the middle of the upper end of the cylindrical lithium ion battery core, a supporting seat used for supporting the voltage reduction circuit board is arranged in the cylindrical battery core support, and the positive electrode conductive connecting piece is a conductive screw and penetrates through the voltage reduction circuit board and the supporting seat from top to bottom and is in threaded connection with a threaded hole arranged on the positive electrode convex cap; the negative electrode shell of the cylindrical lithium ion battery core is provided with a negative electrode conductive connecting piece connected with the negative electrode input end of the voltage reduction circuit board, the negative electrode conductive connecting piece comprises an annular pressing reed clamped between the cylindrical battery core bracket and the negative electrode shell, and the annular pressing reed is provided with a crutch-shaped elastic piece connected with the negative electrode input end of the voltage reduction circuit board; the upper part of the cylindrical battery cell bracket is also embedded with a battery cap connected with the output end of the voltage reduction circuit board.
2. The 1.5V constant voltage lithium battery capable of replacing the No. 5 disposable alkaline battery according to claim 1, wherein a plurality of clamping grooves are formed in the periphery of the positive electrode convex cap at intervals, clamping claws integrally formed with the supporting seat and the cylindrical battery cell support are arranged at the lower part of the supporting seat, and the clamping claws are clamped into the clamping grooves to realize the buckling connection between the cylindrical battery cell support and the cylindrical lithium ion battery cell.
3. The 1.5V constant voltage lithium battery capable of replacing the No. 5 disposable alkaline battery according to claim 1, wherein an annular step surface for supporting the lower end face of the battery cap is arranged in the cylindrical battery cell support, and an arc-shaped conductive spring sheet which is pressed on the inner side wall of the battery cap and used for realizing embedding of the battery cap in the cylindrical battery cell support is arranged on the positive electrode output end of the side part of the voltage reducing circuit board.
4. The 1.5V constant voltage lithium battery capable of replacing the disposable alkaline battery No. 5 according to claim 3, wherein the inner side wall of the cylindrical battery cell bracket is further longitudinally provided with a groove matched with the arc-shaped conductive elastic sheet to realize positioning during installation of the step-down circuit board.
5. A method of assembling a 1.5V constant voltage lithium battery as claimed in claim 1, which is a replacement for disposable alkaline battery No. 5, comprising the steps of:
1) Drilling a threaded hole on a positive electrode convex cap of a prefabricated cylindrical lithium ion battery core;
2) Placing the prefabricated negative electrode conductive connecting piece at the upper end of a negative electrode shell of the cylindrical lithium ion battery cell;
3) The cylindrical battery cell bracket is buckled with the cylindrical lithium ion battery cell;
4) Placing the voltage reduction circuit board in a cylindrical battery core bracket, and enabling a negative electrode input point of the voltage reduction circuit board to be abutted with a crutch-shaped elastic sheet of a negative electrode conductive connecting piece;
5) The conductive screw penetrates through the voltage reduction circuit board and the supporting seat and is fastened with the threaded hole on the positive electrode convex cap;
6) The battery cover cap is plugged into the cylindrical battery core bracket and is connected with the output end of the voltage reduction circuit board.
6. The method for assembling a 1.5V constant voltage lithium battery capable of replacing a No. 5 disposable alkaline battery according to claim 5, wherein after the battery cap of step 5 is assembled, a layer of color-printed heat-shrinkable sleeve is wrapped on the cylindrical lithium ion battery core and the cylindrical battery core support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611002615.3A CN106486693B (en) | 2016-11-15 | 2016-11-15 | 1.5V constant-voltage lithium battery capable of replacing No. 5 disposable alkaline battery and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611002615.3A CN106486693B (en) | 2016-11-15 | 2016-11-15 | 1.5V constant-voltage lithium battery capable of replacing No. 5 disposable alkaline battery and production method thereof |
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| CN106486693A CN106486693A (en) | 2017-03-08 |
| CN106486693B true CN106486693B (en) | 2023-06-23 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106898712A (en) * | 2017-03-20 | 2017-06-27 | 天津众源科技有限公司 | Novel lithium battery and application thereof |
| CN109830635A (en) * | 2019-01-25 | 2019-05-31 | 东莞市海商泰通讯科技有限公司 | The capping processing technology of 1 to No. 7 solid lithium ion battery |
| CN109888406A (en) * | 2019-01-25 | 2019-06-14 | 东莞市海商泰通讯科技有限公司 | 1 to No. 7 solid lithium ion rechargeable battery |
| CN110021726A (en) * | 2019-05-16 | 2019-07-16 | 张舒德 | A kind of novel constant-pressure lithium battery |
| CN110556487B (en) * | 2019-08-30 | 2022-03-18 | 深圳先进储能材料国家工程研究中心有限公司 | Secondary battery |
| CN111786037A (en) * | 2020-01-17 | 2020-10-16 | 深圳市麦格松电气科技有限公司 | Columnar battery and controller thereof |
| CN111653695A (en) * | 2020-05-29 | 2020-09-11 | 郑棚 | Lithium battery refitted constant-voltage output standard lithium rechargeable battery and production method thereof |
| CN113644352A (en) * | 2021-07-21 | 2021-11-12 | 广州市金特电子科技有限公司 | Sleeve joint type battery structure and manufacturing method thereof |
| CN113451636B (en) * | 2021-08-30 | 2021-12-07 | 深圳市东方芯愿新能源有限公司 | Rechargeable lithium battery device |
| US11367912B1 (en) | 2021-08-30 | 2022-06-21 | Shenzhen Oriental Willing New Energy Co., Ltd | Rechargeable lithium battery apparatus with cylindrical battery |
| CN117673498B (en) * | 2024-02-02 | 2024-04-12 | 深圳市华美兴泰科技股份有限公司 | Low-voltage lithium battery |
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