CN204720512U - Charging cylindrical lithium battery and charging battery cartridge thereof - Google Patents

Charging cylindrical lithium battery and charging battery cartridge thereof Download PDF

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Publication number
CN204720512U
CN204720512U CN201520492702.6U CN201520492702U CN204720512U CN 204720512 U CN204720512 U CN 204720512U CN 201520492702 U CN201520492702 U CN 201520492702U CN 204720512 U CN204720512 U CN 204720512U
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battery
positive
charging
input
output
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Chinese (zh)
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殷峥凯
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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  • Battery Mounting, Suspending (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

The utility model discloses a kind of charging cylindrical lithium battery and charging battery cartridge, this charging cylindrical lithium battery, a kind of charging cylindrical lithium battery, comprise battery core, without the battery container of anode end cap and anode end cap, this anode end cap comprises double-sided PCB board and the positive battery cap with hole of charging, and this double-sided PCB board comprises reducing transformer; This anode end cap covers the positive pole opening part of battery container, and this battery core is placed in this battery container; The positive pole of this battery core connects this positive battery cap by the reducing transformer of this anode end cap, and the negative pole of this battery core connects the negative end of battery container by the reducing transformer of this anode end cap.The output voltage of this rechargeable battery is constant is 1.5V, high containing electricity, can hundreds of time charging repeatedly, and long service life, cost are low, the more important thing is, energy-conserving and environment-protective.

Description

Charging cylinder lithium battery and charging battery box thereof
Technical Field
The utility model relates to a charging cylinder lithium cell and rechargeable battery case thereof.
Background
The prior art cylindrical household battery, No. 7 battery (also called AAA battery), No. 5 battery (also called AA battery), No. 3 battery or No. 1 battery, is a disposable alkaline battery or acid battery with an output voltage of 1.5V and which cannot be charged. The battery has low power content and short service life, and is a worldwide pollution problem. The output voltage of the rechargeable nickel-hydrogen/nickel-cadmium battery is only 1.2V, so that the rechargeable nickel-hydrogen/nickel-cadmium battery has poor effect, less charging times and short service life. In recent years, some cylindrical lithium batteries have appeared, such as chinese patent application No.: 2011220056668.4 and 201120172367.3, cylindrical lithium batteries of single positive and double positive configurations; the single anode structure is that the same anode is used for inputting 3.7-4.2V charging current and outputting 1.5V working current, and the lithium battery with the single anode structure cannot monitor charging input conditions and service conditions of battery electric quantity, so that the practicability is poor. The lithium battery with the double-anode structure adopts a 3.7-4.2V charging input anode and a 1.5V discharging output anode, and the two anodes are arranged in a separated way.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model discloses a special battery positive pole end cover and the anodal battery cap of the hole of charging of area on arranging it in, this anodal cap of hole of charging in area, can charge input and discharge output 3.7-4.2V anodal electric current promptly, can discharge output 1.5V anodal electric current again, the step-down transformer of the No. 7 or No. 5 lithium cells (hereinafter be referred to as No. 7 or No. 5 batteries) that charges of this structure does not occupy the battery volume, the electric quantity situation when containing the electric quantity, can monitor battery charging or battery use at any time. Simultaneously the utility model discloses but still adopt No. 7 battery coats split No. 5 battery case structures, abundant nimble domestic little electric appliance and the different requirements of children's toy to No. 5 and No. 7 batteries of being suitable for.
The utility model provides a technical scheme that this technical problem adopted is: a charging cylindrical lithium battery comprises a battery core, a battery shell without a positive end cover and the positive end cover, wherein the positive end cover comprises a double-sided PCB and a positive battery cap with a charging hole, and the double-sided PCB comprises a step-down transformer; the positive end cover covers the positive opening of the battery shell, and the battery core is arranged in the battery shell; the positive pole of the battery cell is connected with the positive pole battery cap through the voltage reducer of the positive pole end cover, and the negative pole of the battery cell is connected with the negative pole end part of the battery shell through the voltage reducer of the positive pole end cover.
Specifically, the voltage reducer includes a voltage-reducing circuit carrier, a protection circuit carrier, and 5 input or output terminals; the voltage reduction circuit carrier is connected with the protection circuit carrier, and the 5 input or output terminals are respectively a charging input positive terminal, a battery cell input and output common negative terminal, a discharging input and output common negative terminal and a discharging output positive terminal; the outward side of the double-sided PCB of the positive end cover is provided with the charging input positive terminal and the discharging output positive terminal, the inward side of the double-sided PCB of the positive end cover is provided with the electric core input and output shared positive terminal, the electric core input and output shared negative terminal and the discharging input and output shared negative terminal.
The above-mentioned terminal, wherein the charging input positive terminal is a contact terminal which is contacted with the charging column of the external charger and inputs or outputs 3.7-4.2V positive current by discharging through the charging battery box, and the terminal is also contacted with the charging column or the monitoring probe to monitor the charging condition of the lithium battery, or the change condition of the battery capacity during the discharging output operation.
The positive terminal of the discharge output is a terminal for reducing the voltage of 3.7-4.2V applied by the battery cell to a constant positive current of 1.5V and outputting the current by a voltage reducer.
The input and output of the battery cell share a positive terminal, and 3.7-4.2V positive current input by an external charger is output by a voltage reducer to charge the positive electrode of the battery cell; and after the charging is finished, the common terminal for receiving the positive current input by the discharging of the battery cell when the discharging output of the lithium battery works.
The input and output of the battery cell share a negative terminal, and the voltage reducer receives 3.7-4.2V negative charging current input by an external charger to the battery cell; and after the charging is finished, when the lithium battery is in discharge output work, the common terminal receives 3.7-4.2V cathode current output by external working current to the battery cell cathode plate through the voltage reducer loop.
The common negative terminal for the input and output of the discharge is a terminal from a voltage reducer to a charging circuit to a negative end of the battery, and receives 3.7-4.2V negative charging current input from the outside of the battery by the voltage reducer, and the common negative terminal for the negative terminal receives 1.5V negative current input from the discharging input circuit of the negative end of the battery after the charging is finished and the discharging output of the battery is in work, and the common negative terminal can be directly contacted or connected with a metal shell of a charging cylindrical lithium battery serving as a negative electrode, so that a bidirectional connecting line for the input and the output of the negative electrode of the voltage reducer is omitted.
The voltage reducer is internally provided with a lithium battery voltage reduction circuit carrier and a battery protection circuit carrier, the lithium battery voltage reduction circuit is mainly used for reducing the voltage of 3.7V-4.2V of the battery core to 1.5V and outputting the voltage to the No. 5 battery or the No. 7 battery shell, and the battery protection circuit carrier is mainly used for protecting the charging voltage and the current of the battery core and the output voltage and the current, so that the charging voltage of the battery core is prevented from being overcharged and the discharging voltage is prevented from being overdischarged, and the service life of the lithium battery is prolonged.
Preferably, the battery shell is a No. 3 battery shell or a No. 1 battery shell.
Preferably, the battery case is a No. 7 battery.
Preferably, the battery case is a 5-size battery.
As a preferred scheme, when the battery case is a No. 7 battery case, the battery case further comprises a detachable No. 5 battery case, the detachable No. 5 battery case comprises an upper case and a lower case, the upper case and the lower case are sleeved and embedded with the No. 7 battery case, a positive electrode battery cap of the upper case is provided with a charging hole, the upper case is sleeved at a positive electrode end of the No. 7 battery case, and the positive electrode battery cap of the upper case is correspondingly connected with the positive electrode battery cap of the positive electrode end cover.
As a preferable scheme, when the battery shell is a No. 5 battery shell, the battery shell also comprises a detachable No. 3 battery shell; this removable fraction No. 3 battery case includes casing and lower casing, go up casing and casing cover down and built-in this No. 5 battery case, the anodal battery cap of casing is equipped with the hole of charging on No. 3 batteries, should go up the positive terminal that the casing registrated No. 5 battery case, and the anodal battery cap of casing corresponds with the anodal battery cap of No. 5 battery end covers on this No. 3 batteries and is connected. Moreover, the No. 5 battery shell is a rechargeable lithium battery with the integral non-detachable No. 5 battery shell.
The utility model also provides a charging battery box of the charging cylindrical lithium battery, which comprises more than one battery position; the positive end of each battery position is provided with a positive charging post, the negative end of each battery position is provided with a negative charging spring piece, and each positive charging post is communicated with the corresponding negative charging spring piece through a charger.
The USB socket plug is telescopic, so that a USB female socket which is directly inserted into an external power supply can get electricity to charge a cylindrical lithium battery in the rechargeable battery box; (ii) a The micro USB plug also comprises a telescopic micro USB plug male head, so that the direct insertion of a mobile phone or other electric appliances for output charging and discharging is realized.
When No. 5 battery or No. 7 battery adopt the post unipolar that charges, with a post that charges on the charger of the charge pore alignment of a positive cap on the battery end cover, the positive post that charges passes the hole that charges on the positive cap on No. 5 or No. 7 battery end covers, with the input positive terminal contact of charging on the step-down transformer, the direct circuit that is higher than 3.7V of charging current on the step-down transformer switches on with electric core input output sharing positive terminal and charges, when electric core charging voltage reached 4.2V, the protection circuit in time cuts off charging current, the protection electric core can not cross the damage of charging.
When the No. 5 battery or the No. 7 battery is in a discharge output working state and needs to discharge and output 1.5V voltage for working, the 3.7V-4.2V voltage at the two ends of the battery core passes through the positive and negative connecting wires at the two ends of the battery core, the discharge output positive terminal on the connecting step-down device is connected with the positive battery cap of the No. 5 or No. 7 battery, and the input and output common negative terminal is connected with the negative contact piece. Thus, when the No. 5 or No. 7 battery works, the constant 1.5V voltage can be output.
The fully charged No. 7 battery is sleeved in the shell of the detachable No. 5 battery, the positive electrode battery cap of the fully charged No. 7 battery is in contact with the positive electrode battery cap of the No. 5 battery, and the negative electrode of the fully charged No. 7 battery is connected with the negative electrode contact piece of the No. 5 battery through the conductive elastic sheet. At this time, the No. 5 battery case in which the No. 7 battery is put on can be used as the No. 5 battery, the No. 5 battery case is disassembled, and the No. 7 battery is taken out, and at this time, the No. 7 battery can be used as the No. 7 battery alone.
Compared with the prior art, the method has the following positive effects: the utility model discloses a rechargeable lithium battery has adopted and has charged and discharge sharing positive cap and negative pole shell structure, and the step-down transformer is directly arranged in on the cylinder battery end cover, and the structure is succinct, compact, reasonable, ingenious, both reduction in production cost has increased electric core capacity again, and this battery still can close the electric quantity that detects the battery at any time at the battery, can alternate between No. 7 batteries and No. 5 batteries, is suitable for the demand of family to different model batteries.
Drawings
FIG. 1 is a schematic structural view of example 1.
FIG. 2 is a schematic structural view of example 2.
FIG. 3 is a schematic structural view of embodiment 3.
Wherein,
010-positive end cap;
011 — charge input positive terminal;
012-cell input and output share the positive terminal;
013-cell input and output share a negative terminal;
014 — discharge input and output share a negative terminal;
015 — discharge output positive terminal;
016-step-down circuit carrier;
017-protective circuit carrier;
018 — 1.5V positive output line;
019-3.7V-4.2V input straight connecting line;
020-battery charger;
021-positive charging column;
022 — positive charging column housing;
023-No. 7 battery charging hole;
025-number 5 battery charging aperture;
030-Electrical core;
031 — cell positive terminal;
032 — cell negative;
033-3.7V-4.2V cathode input/output bidirectional connecting line;
034-3.7V-4.2V positive pole input/output bidirectional connecting line;
040-insulating pad;
050-5 # cell positive cell cap;
051 — upper shell;
052-lower case;
053-5 battery negative terminal;
054-voltage reducer negative input/output bidirectional connection line;
055-integral No. 5 battery case;
056-negative charging spring lamination;
057-connecting piece;
070-No. 7 battery positive electrode battery cap;
071-No. 7 battery case;
072-7 battery negative contact piece;
80-rechargeable battery case;
81-rechargeable Battery bit;
82-liquid crystal display screen;
83-USB socket;
84-Micro USB socket;
85-lighting lamp.
Detailed Description
Example 1
The rechargeable cylindrical lithium battery in embodiment 1 as shown in fig. 1 includes a whole No. 5 battery case 055, a battery core 030, and a positive electrode end cap 010 with a voltage reducer, where the whole No. 5 battery case 055 is a barrel-shaped case with an open positive electrode end, and the positive electrode end cap 010 covers the open end of the whole No. 5 battery case 055. The cell 030 is disposed in a cavity formed by the integral No. 5 battery case 055 and the positive end cap 010.
Specifically, the positive end cap 010 includes a double-sided PCB and a No. 5 battery positive battery cap 050, and a step-down transformer is disposed in the PCB and includes a step-down circuit carrier 016, a protection circuit carrier 017 and 5 input or output terminals. The 5 input or output terminals are a charge input positive terminal 011, a cell input/output common positive terminal 012, a cell input/output common negative terminal 013, a discharge input/output common negative terminal 014, and a discharge output positive terminal 015, respectively. The charging input positive terminal 011 and the discharging output positive terminal 015 are disposed on an outward surface of the double-sided PCB of the positive end cover 010. A common positive terminal 012 for cell input and output is disposed on an inward side of the double-sided PCB of the positive end cap 010, and a common negative terminal 013 for cell input and output and a common negative terminal 014 for discharge input and output are disposed on a protection circuit carrier 017 disposed in the double-sided PCB of the positive end cap 010.
The No. 5 battery positive electrode battery cap 050 is directly welded on the discharge output positive electrode terminal 015, a No. 5 battery charging hole 025 is formed in the end portion of the battery positive electrode battery cap, and the No. 5 battery charging hole 025 corresponds to the charge input positive electrode terminal 011.
Wherein, the circuit connection relationship is that the voltage reduction circuit carrier 016 and the protection circuit carrier 017 are electrically connected with each other; the step-down circuit carrier 016 is connected with a discharge output positive terminal 015 through a 1.5V positive output line 018; the charging input positive terminal 011 is connected with a cell input and output common positive terminal 012 through a 3.7-4.2V input direct connection line 019; the cell input/output common positive terminal 012 is connected with the cell positive terminal 031 of the cell 030 through a 3.7-4.2V positive input/output and a bidirectional connecting line 034; a battery cell cathode 032 of the battery cell 030 is connected with a battery cell input and output shared cathode terminal 013 on the protection circuit carrier 017 through a 3.7-4.2V cathode input/output bidirectional connecting line 033; the common negative terminal 014 of the discharging input and the discharging output on the protective circuit carrier 017 is connected with the No. 5 battery negative terminal 053 through a voltage reducer negative input/output bidirectional connecting line 054.
Further, when the No. 5 battery case 055 is a metal case, the No. 5 battery negative terminal 053 can be an integral part of the No. 5 battery case 055, and at this time, the discharging input/output common negative terminal 014 can be directly connected to the No. 5 battery metal case, so as to omit the voltage reducer negative input/output bidirectional connection line 054.
A charger 020 in the prior art is provided with a positive charging post 021 and a negative charging spring leaf 056, and a positive charging post casing 022 is arranged outside the positive charging post 021.
The charging loop and the process of the charging cylindrical lithium battery of the embodiment 1 are as follows: inserting the positive charging post 021 of the charger 020 into the No. 5 battery charging hole 025, enabling the positive charging post 021 to be in contact with a charging input positive terminal 011 on the positive end cover 010, meanwhile, enabling the inserted battery charger positive charging post casing 022 to be in contact with the No. 5 battery positive battery cap 050, but due to the one-way protection effect of a voltage reduction circuit on the positive end cover 010, the charging current of the charger 020 can only be connected to a cell input and output common positive terminal 012 through a 3.7-4.2V input through connecting wire 019, and then is connected with a cell positive terminal 031 through a 3.7-4.2V positive input/output and two-way connecting wire 034, and then the charging current sequentially passes through a cell negative electrode 032, a 3.7-4.2V negative input/output two-way connecting wire 033, a protective circuit carrier 017, a discharging input and output common negative terminal 05014 and a voltage reducer negative input/output two-way connecting wire 4, and when the voltage of the battery reaches the end 053 of the No. 5 battery cathode, the charging current passes through the cathode charging spring leaf 056 of the charger 020, and the whole charging loop is conducted, so that the 3.7-4.2V boosting charging process of the battery cell 030 is completed.
Preferably, an insulating pad 040 is provided between the negative contact piece 053 of the cell 030 and the negative cell piece 032.
After charging, the positive charging post 021 of the charger 020 is pulled out of the No. 5 battery charging hole 025 and is separated from the charging input positive terminal 011. Thereafter, when the rechargeable cylindrical lithium battery of this embodiment 1 needs to operate by external discharge, the positive current of the battery core 030 flows through the positive terminal 031 of the battery core, the 3.7-4.2V positive input/output bidirectional connection line 034, the common input/output terminal 012 of the lithium battery core, the voltage reduction circuit in the voltage reducer, and the protection circuit in sequence, and then reaches the positive output line 018 of 1.5V to output a positive current of 1.5V, the 1.5V current flows through a discharge output positive terminal 015 and a No. 5 battery positive cap 050 in sequence, and after reaching the electric equipment, the current flows through a 5 # battery cathode end 053, sequentially through a voltage reducer cathode input/output bidirectional connecting line 054, a discharge input/output common cathode terminal 014, a protection circuit carrier 017, a lithium battery cell input/output common cathode terminal 013 and a 3.7-4.2V cathode input/output bidirectional connecting line 033, then reaches a battery cell cathode 032, and the whole discharge working circuit is conducted. At this time, the charging cylindrical lithium battery of embodiment 1 can perform an output operation state with a constant voltage of 1.5V.
Example 2
As shown in fig. 2, the rechargeable cylindrical lithium battery of example 2 has substantially the same structure as that of example 1 except that: 1) example 2 a No. 7 battery case 071 having the same structure and different specifications was replaced with the No. 5 battery case 055 as a whole in example 1; 2) embodiment 2 still includes removable No. 5 battery case, and this removable No. 5 battery case includes upper casing 051 and lower casing 052, and upper casing 051 and lower casing 052 registrate and the holding No. 7 battery case 071, wherein, has metal material battery cap 050 on the upper casing 051, and the negative pole tip 053 of metal material is put on the lower casing 052. The upper shell 051 is sleeved at the positive end of the No. 7 battery shell 071, the lower shell 052 is sleeved at the negative end of the No. 7 battery shell 071, the No. 5 battery negative electrode end part 053 of the lower shell 052 is connected with the No. 7 battery negative electrode contact piece 072 of the No. 7 battery shell 071 through a connecting piece 057, and the connecting piece 057 is a metal spring or a shrapnel; 3) embodiment 2 replaces 5 # battery positive electrode battery cap 050 of embodiment 1 with 7 # battery positive electrode battery cap 070, and this 7 # battery positive electrode battery cap 070 is equipped with 7 # battery charging hole 023, is equipped with 5 # battery positive electrode battery cap 050 on upper housing 051, and this 5 # battery positive electrode battery cap 050 has 5 # battery charging hole 025, and this 7 # battery positive electrode battery cap 070 is registrated with 5 # battery charging hole 023, and the center of No. 7 battery charging hole 023 corresponds the intercommunication with the center of 5 # battery charging hole 025.
In the charging cylindrical lithium battery of embodiment 2, the No. 5 battery positive electrode battery cap 050 of the upper case 051 is connected with the No. 7 battery positive electrode battery cap 070, and the No. 5 battery negative electrode end portion 053 of the lower case 052 is connected with the No. 7 battery negative electrode contact piece 072 of the No. 7 battery case 071 through the connecting piece 057, so that in the discharging loop, the 1.5V positive electrode current output from the discharging output positive electrode terminal 015 sequentially passes through the No. 7 battery positive electrode battery cap 070 and the No. 5 battery positive electrode battery cap 050 to reach the electric equipment, then, the current flows out from the electric equipment, sequentially passes through the No. 5 battery negative electrode end portion 053, the connecting piece 057 and the No. 7 battery negative electrode contact piece 072, and flows into the voltage reducer negative electrode input/output bidirectional connection line, and the rest of the circuit relationship is the same as that in embodiment 1, and. In the charging circuit, also similar to example 1, except that 1) the positive charging post 021 of the charger 020 is inserted into the No. 5 battery charging hole 025 and the No. 7 battery charging hole 023 at the same time, so that the positive charging post 021 is in contact with the charge input positive terminal 011 on the positive end cover 010, and at the same time, the inserted battery charger positive charging post housing 022 is also in contact with the No. 5 battery positive battery cap 050 contact and the No. 7 battery positive battery cap 070 at the same time; 2) the charging current flowing out of the voltage reducer cathode input/output bidirectional connecting line 054 firstly passes through the No. 7 battery cathode contact piece 072, then flows back to the charger 020 after passing through the connecting piece 057 and the No. 5 battery cathode end part 053 in sequence.
The detachable No. 5 battery shell is sleeved with the No. 7 battery shell, the combined battery shell is charged, the combined battery shell can be directly used as a No. 5 battery after charging is finished, and the No. 7 battery can also be taken out and used independently as a No. 7 battery after the upper shell 051 and the lower shell 052 of the No. 5 battery are disassembled. The combined rechargeable battery can be used as a No. 5 battery and a No. 7 battery, and is flexible and convenient in household appliances.
Similarly, the rechargeable battery of the above embodiment 1 or embodiment 2 is placed in the No. 3 battery case, that is, the No. 3 battery with a constant output voltage of 1.5V is obtained.
Example 3
As shown in fig. 3, the present embodiment 3 provides a rechargeable battery pack 80, which has six battery sites 81, and each battery site 81 can accommodate one rechargeable battery as described in the above embodiments 1 or 2.
The positive end of each battery site 81 is provided with a positive charging post 021, and the negative end of each battery site 81 is provided with a negative charging spring leaf 056, the charging positive post 021 faces the positive battery placed therein and is aligned with the charging hole 025 on the positive cap of the No. 5 battery on the No. 5 battery positive cap 050.
Further, the charging battery box 80 is provided with an illuminating lamp 85, an LED lamp or a liquid crystal display 82 for displaying the battery capacity of each charging cylinder, a USB socket (male plug) 83, and a Micro USB socket (male plug) 84. The USB interface 83 is a retractable USB plug (USB male connector), and can be directly plugged into a USB female socket of an external power source to charge the cylindrical lithium battery in the rechargeable battery 80. The Micro USB socket (male plug) is a telescopic Micro USB socket (male plug) which can be directly inserted into a mobile phone or other electrical appliances for output charging and discharging.
The charge display LED lamp or the liquid crystal display 82 can display the charge condition or the battery level of each rechargeable battery. The illumination lamp 85 is powered by a battery placed in the charging battery case 80.
The present invention is not limited to the above embodiment, and various modifications and variations of the present invention are also intended to be included within the scope of the claims and the equivalent technical scope of the present invention if they do not depart from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides a cylindrical lithium battery charges which characterized in that: the battery comprises a battery core, a battery shell without a positive end cover and the positive end cover, wherein the positive end cover comprises a double-sided PCB and a positive battery cap with a charging hole, and the double-sided PCB comprises a step-down transformer; the positive end cover covers the positive opening of the battery shell, and the battery core is arranged in the battery shell; the positive pole of the battery cell is connected with the positive pole battery cap through the voltage reducer of the positive pole end cover, and the negative pole of the battery cell is connected with the negative pole end part of the battery shell through the voltage reducer of the positive pole end cover.
2. The cylindrical lithium battery for charging as claimed in claim 1, wherein the step-down transformer includes a step-down circuit carrier, a protection circuit carrier, and 5 input or output terminals; the voltage reduction circuit carrier is connected with the protection circuit carrier, and the 5 input or output terminals are respectively a charging input positive terminal, a battery cell input and output common negative terminal, a discharging input and output common negative terminal and a discharging output positive terminal; the outward side of the double-sided PCB of the positive end cover is provided with the charging input positive terminal and the discharging output positive terminal, the inward side of the double-sided PCB of the positive end cover is provided with the electric core input and output shared positive terminal, the electric core input and output shared negative terminal and the discharging input and output shared negative terminal.
3. A rechargeable cylindrical lithium battery as claimed in claim 2, characterized in that: the positive battery cap is directly welded on the discharge output positive terminal, and the charging hole of the positive battery cap corresponds to the charge input positive terminal.
4. A rechargeable cylindrical lithium battery as claimed in claim 1, characterized in that: the battery case is a No. 7 battery case.
5. A rechargeable cylindrical lithium battery as claimed in claim 1, characterized in that: the battery shell is a No. 5 battery shell.
6. A rechargeable cylindrical lithium battery as claimed in claim 5, characterized in that: but still include split 5 # battery case, this split 5 # battery case includes casing and lower casing, go up casing and casing cover down and embed this No. 7 charging cylinder lithium batteries, the anodal battery cap of casing is equipped with the hole of charging on No. 5 batteries, should go up the positive terminal of casing cover this No. 7 charging cylinder lithium batteries, and the charging hole center on the anodal battery cap of casing and this No. 7 batteries positive terminal cover corresponds the connection in the charging hole center on the anodal battery cap on No. 5 batteries.
7. A rechargeable cylindrical lithium battery as claimed in claim 1, characterized in that: the battery shell is a No. 3 battery shell or a No. 1 battery shell.
8. A rechargeable cylindrical lithium battery as claimed in claim 2, characterized in that: the discharge input and output common negative terminal is directly connected with the metal shell of the charging cylindrical lithium battery.
9. A rechargeable battery pack for a cylindrical lithium battery as claimed in claim 1, wherein: comprises more than one battery position; the positive end of each battery position is provided with a positive charging post, the negative end of each battery position is provided with a negative charging spring piece, and each positive charging post is communicated with the corresponding negative charging spring piece through a charger.
10. A rechargeable battery pack for a cylindrical lithium battery as claimed in claim 1, wherein: the USB socket plug is telescopic, so that a USB female socket which is directly inserted into an external power supply can get electricity to charge a cylindrical lithium battery in the rechargeable battery box; the Micro USB plug also comprises a telescopic Micro USB plug male head, so that the Micro USB plug can be directly inserted into a mobile phone or other electric appliances to output, charge and discharge.
CN201520492702.6U 2015-07-09 2015-07-09 Charging cylindrical lithium battery and charging battery cartridge thereof Withdrawn - After Issue CN204720512U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105098225A (en) * 2015-07-09 2015-11-25 殷峥凯 Charging cylindrical lithium-ion battery and charging battery box thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105098225A (en) * 2015-07-09 2015-11-25 殷峥凯 Charging cylindrical lithium-ion battery and charging battery box thereof
CN105098225B (en) * 2015-07-09 2018-03-27 殷峥凯 Charge cylindrical lithium battery

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