CN210327093U - Charger suitable for cylinder lithium cell - Google Patents
Charger suitable for cylinder lithium cell Download PDFInfo
- Publication number
- CN210327093U CN210327093U CN201921476954.4U CN201921476954U CN210327093U CN 210327093 U CN210327093 U CN 210327093U CN 201921476954 U CN201921476954 U CN 201921476954U CN 210327093 U CN210327093 U CN 210327093U
- Authority
- CN
- China
- Prior art keywords
- charging
- contact piece
- battery contact
- charging module
- battery
- 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.)
- Active
Links
Images
Classifications
-
- 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
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a charger suitable for cylinder lithium cell is equipped with charging circuit board in the charger base, and the upper surface of charger base is provided with the battery jar, and the bottom surface of battery jar is equipped with metal support piece, has seted up a slip track on the metal support piece, and sliding connection has the short battery contact in the slip track. The lower surface of the charger base is provided with a fixed plug block, the fixed plug block is provided with a long battery contact piece, the long battery contact piece is arranged at the edge of the right side of the metal supporting piece, and the short battery contact piece on the metal supporting piece can be contacted with the long battery contact piece for conducting electricity when sliding; the charging positive end of the charging circuit board is electrically connected with the positive contact piece, and the charging negative end of the charging circuit board is electrically connected with the short battery contact piece and the long battery contact piece respectively; the utility model discloses a two way management module that charges charge charges the cylinder lithium cell.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an adjust charging current's lithium battery charger technical field, more specifically says, the utility model relates to a charger suitable for 18650, 21700, 26650, 18500, 14500, 17650, the cylinder lithium cell of models such as 26800.
[ background of the invention ]
The charger of cylinder lithium cell has multiple charge mode in the existing market: 1. different charging currents are switched through the keys to charge the battery; 2. detecting signals by the MCU through matching with a hardware contact mode and transmitting the signals back to the MCU for signal processing, then sending corresponding instructions to charge a battery, selecting a charging current gear according to the specification and the model of the cylindrical lithium battery, selecting a large current for a long-specification lithium battery with the length of 65mm or more than 65mm, and selecting a small current for a short-specification lithium battery with the length of less than 65 mm; 3. and a charging management chip is configured to output a current gear within a stable range of 0.5A-2A to charge the lithium battery.
However, if the method 1 is adopted for charging, since the user has not been able to select the appropriate maximum charging current for charging the lithium battery, for example, the user uses a short-sized lithium battery with a 2A charging current level of 500-; if the 2 nd mode is adopted for charging, the MCU singlechip is adopted to control the cost to be expensive, the operation of the MCU singlechip is complex, and the debugging of technicians is needed, so that the manufacturing and research and development cost is greatly increased; if the 3 rd mode is adopted for charging, because only one current gear within a stable range can be fixedly output, proper charging current cannot be allocated to charge the lithium battery, for example, when a user charges a long-specification lithium battery with the length of 65mm or more than 65mm by using 0.5A current, the charging time is long, the efficiency is low, the quick charging cannot be realized, and the service life is shortened and the safety risk exists when the short-specification lithium battery with the length of less than 65mm is charged by using 2A current.
[ Utility model ] content
An object of the utility model is to effectively overcome the not enough of above-mentioned technique, provide a simple structure, convenient to use, low in manufacturing cost can adapt to the cylinder lithium cell of length specification, model, and has the charger of the cylinder lithium cell of higher security performance.
The technical scheme of the utility model is realized like this: a charger suitable for a cylindrical lithium battery comprises a charger base, wherein a charging circuit board is arranged in the charger base, a battery groove for placing the lithium battery is formed in the upper surface of the charger base, a metal supporting piece is arranged on the bottom surface of the battery groove, a sliding rail is arranged on the metal supporting piece, and a short battery contact piece is connected in the sliding rail in a sliding mode; the inner wall surface of the battery jar is provided with an embedding opening, and a positive contact piece is arranged in the embedding opening; the lower surface of the charger base is provided with a fixed plug block, the fixed plug block is provided with a long battery contact piece, the long battery contact piece is arranged at the edge of the right side of the metal supporting piece, and the short battery contact piece on the metal supporting piece can be contacted with the long battery contact piece for conducting electricity when sliding; the charging positive end of the charging circuit board is electrically connected with the positive contact piece, and the charging negative end of the charging circuit board is electrically connected with the short battery contact piece and the long battery contact piece respectively.
In the above structure, the charging circuit board is provided with a first charging module, a second charging module, a power input end and a power output end; the first charging module and the second charging module are provided with two charging positive terminals and two charging negative terminals, wherein the charging positive terminals at one ends of the first charging module and the second charging module are electrically connected with the power input terminal, the charging positive terminals at the other ends of the first charging module and the second charging module are connected with the battery, and the positive contact piece is connected to the circuit connected with the first charging module and the second charging module; the charging negative end of one end of each of the first charging module and the second charging module is electrically connected with the power output end, the charging negative end of the other end of the first charging module is electrically connected with the short battery contact piece, and the charging negative end of the other end of the second charging module is electrically connected with the long battery contact piece.
In the structure, the spring is arranged at the bottom of the short battery contact piece, one end of the spring is connected with the end face of the bottom of the short battery contact piece, and the other end of the spring is connected with the positive electrode contact piece.
In the above structure, the metal supporting piece is recessed inwards relative to the edge of the right side of the long battery contact piece to form an arc-shaped notch.
The beneficial effects of the utility model reside in that: the utility model discloses a two way management module that charges charge to the cylinder lithium cell, when charging for short specification lithium cell, put into the battery jar short specification lithium cell, first charging module and anodal contact, short specification lithium cell and short battery contact constitute the charging circuit and charge for short specification lithium cell. When charging for long specification lithium cell, slide short battery contact to slip orbital end and make short battery contact can be electrically conductive with long battery contact, first module and the long specification lithium cell of charging, short battery contact, long battery contact and second charge the module and constitute the charging circuit, at this moment, first module and the second that charges charge the module and carry out the work of charging to long specification lithium cell simultaneously, and increase the electric current that charges, make long specification lithium cell can realize filling soon, thereby shorten charge time, improve charge efficiency.
[ description of the drawings ]
FIG. 1 is a schematic view of an embodiment of the overall structure of the present invention;
fig. 2 is a schematic view of a main view structure of the present invention;
fig. 3 is a schematic view of a rear view structure of the present invention;
FIG. 4 is a schematic diagram of an embodiment of a partial enlarged structure A in FIG. 3;
fig. 5 is a schematic diagram of an application circuit of the present invention.
In the figure: charger base 1, charging circuit board 2, battery jar 11, metal support 12, slip track 121, arc breach 122, short battery contact 13, anodal contact 14, fixed plug 15, long battery contact 16, first charging module 21, charge positive terminal 211, charge negative pole end 212, second charging module 22, power input 23, power output 24.
[ detailed description ] embodiments
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 5, the charger suitable for a cylindrical lithium battery disclosed by the present invention comprises a charger base 1, a charging circuit board 2 is arranged in the charger base 1, a battery jar 11 for placing the cylindrical lithium battery is arranged on the upper surface of the charger base 1, a metal support member 12 is arranged on the bottom surface of the battery jar 11, wherein a bar-shaped mounting opening adapted to the shape and size of the metal support member 12 is arranged on the bottom surface of the battery jar 11, and the metal support member 12 is fixedly arranged in the bar-shaped mounting opening; the metal support 12 is provided with a sliding track 121, the sliding track 121 is slidably connected with a short battery contact 13, and the short battery contact 13 is installed in the sliding track 121 and can slide in the sliding track 121.
Further, referring to fig. 2 and 3, an embedding opening (not shown) is formed in an inner wall surface of the battery jar 11, a positive contact 14 is arranged in the embedding opening, and the positive contact 14 is installed in the embedding opening and is arranged on the left side of the metal support 12; the lower surface of the charger base 1 is provided with two fixed insertion blocks 15, wherein the two fixed insertion blocks 15 are symmetrically arranged at two sides of a long battery contact piece 16, the long battery contact piece 16 is fixedly arranged on the lower surface of the charger base 1 through the two fixed insertion blocks 15, the long battery contact piece 16 is arranged at the edge of the right side of the metal support piece 12, and the short battery contact piece 13 on the metal support piece 12 can be in contact with and conduct electricity with the long battery contact piece 16 when sliding; the charging positive terminal 211 of the charging circuit board 2 is electrically connected to the positive contact 14, and the charging negative terminal 212 of the charging circuit board 2 is electrically connected to the short battery contact 13 and the long battery contact 16, respectively.
More specifically, referring to fig. 5, a first charging module 21, a second charging module 22, and a power input terminal 23 and a power output terminal 24 for connecting to a power supply are disposed in the charging circuit board 2; the first charging module 21 and the second charging module 22 have two charging positive terminals 211 and two charging negative terminals 212, wherein the charging positive terminals 211 of the respective one ends of the first charging module 21 and the second charging module 22 are electrically connected to the power input terminal 23, the charging positive terminals 212 of the respective other ends of the first charging module 21 and the second charging module 22 are connected to each other, and the connected circuits are connected to the positive contacts 14. The charging negative terminal 212 of each of the first charging module 21 and the second charging module 22 is electrically connected to the power output terminal 24, the charging negative terminal 212 of the other end of the first charging module 21 is electrically connected to the short battery contact 13, and the charging negative terminal of the other end of the second charging module 22 is electrically connected to the long battery contact 16. That is, the two paths of charging management modules formed by the first charging module 21 and the second charging module 22 charge cylindrical lithium batteries with different lengths, specifications and models; when charging a short-sized lithium battery (for example, less than 65mm in length), the short-sized lithium battery is placed in the battery jar 11, the first charging module 21 forms a charging loop with the positive electrode contact 14, the short-sized lithium battery and the short battery contact 13, and the first charging module 21 charges the short-sized lithium battery in a low-current state. When a long-specification lithium battery is charged (for example, the length is 65mm or more than 65 mm), the short battery contact piece 13 slides to the tail end of the sliding rail 121, and the short battery contact piece 13 can be in contact with the long battery contact piece 16 on the lower surface of the charger base 1 to conduct electricity, namely, the first charging module 21, the long-specification lithium battery, the short battery contact piece 13, the long battery contact piece 16 and the second charging module 22 form a charging loop, at the moment, the first charging module 21 and the second charging module 22 are in a large-current state, the charging current is increased, and the long-specification lithium battery is charged at the same time, so that the long-specification lithium battery can be rapidly charged, the charging time is shortened, and the charging efficiency is improved.
Preferably, a spring (not shown) is arranged at the bottom of the short battery contact piece 13, one end of the spring is connected with the end face of the bottom of the short battery contact piece, and the other end of the spring is connected with the positive electrode contact piece 14; the spring, in addition to providing a restoring force for the short battery contact 13 when the short battery contact 13 slides in the slide rail 121, also accomplishes the conductive connection of the short battery contact 13 to the positive contact 14.
Preferably, referring to fig. 4, the metal support 12 is recessed inwardly with respect to the right edge of the long battery contact 16 to form an arc-shaped notch 122. when the long battery contact 16 is disposed at the adjacent edge of the metal support 12, the arc-shaped notch 122 can separate the metal support 12 from the long battery contact 16 to prevent the metal support 12 and the long battery contact 16 from electrically jumping with each other.
The utility model discloses a two way management module that charges charge to the cylinder lithium cell, when charging for short specification lithium cell, put into the battery jar short specification lithium cell, first charging module and anodal contact, short specification lithium cell and short battery contact constitute the charging circuit and charge for short specification lithium cell. When charging for long specification lithium cell, slide short battery contact to slip orbital end and make short battery contact can be electrically conductive with long battery contact, first module and the long specification lithium cell of charging, short battery contact, long battery contact and second charge the module and constitute the charging circuit, at this moment, first module and the second that charges charge the module and carry out the work of charging to long specification lithium cell simultaneously, and increase the electric current that charges, make long specification lithium cell can realize filling soon, thereby shorten charge time, improve charge efficiency.
The above description is only for the preferred embodiment of the present invention, and the above specific embodiments are not intended to limit the present invention. Within the scope of the technical idea of the present invention, various modifications and alterations can be made, and any person skilled in the art can make modifications, amendments or equivalent replacements according to the above description, all belonging to the protection scope of the present invention.
Claims (4)
1. The utility model provides a charger suitable for cylinder lithium cell, includes the charger base, characterized by: a charging circuit board is arranged in the charger base, a battery jar for placing a lithium battery is arranged on the upper surface of the charger base, a metal supporting piece is arranged on the bottom surface of the battery jar, a sliding track is formed in the metal supporting piece, and a short battery contact piece is connected in the sliding track in a sliding mode; the inner wall surface of the battery jar is provided with an embedding opening, and a positive contact piece is arranged in the embedding opening; the lower surface of the charger base is provided with a fixed plug block, the fixed plug block is provided with a long battery contact piece, the long battery contact piece is arranged at the edge of the right side of the metal supporting piece, and the short battery contact piece on the metal supporting piece can be contacted with the long battery contact piece for conducting electricity when sliding; the charging positive end of the charging circuit board is electrically connected with the positive contact piece, and the charging negative end of the charging circuit board is electrically connected with the short battery contact piece and the long battery contact piece respectively.
2. A charger for a cylindrical lithium battery as claimed in claim 1, wherein: a first charging module, a second charging module, a power input end and a power output end which are used for connecting commercial power are arranged in the charging circuit board; the first charging module and the second charging module are provided with two charging positive terminals and two charging negative terminals, wherein the charging positive terminals at one ends of the first charging module and the second charging module are electrically connected with the power input terminal, the charging positive terminals at the other ends of the first charging module and the second charging module are connected, and the circuit connecting the first charging module and the second charging module is connected with the positive contact sheet; the charging negative end of one end of each of the first charging module and the second charging module is electrically connected with the power output end, the charging negative end of the other end of the first charging module is electrically connected with the short battery contact piece, and the charging negative end of the other end of the second charging module is electrically connected with the long battery contact piece.
3. A charger for a cylindrical lithium battery as claimed in claim 1, wherein: the short battery contact piece bottom is equipped with the spring, the one end of spring links to each other with short battery contact piece bottom terminal surface, and the other end of spring links to each other with anodal contact.
4. A charger for a cylindrical lithium battery as claimed in claim 1, wherein: the metal supporting piece is inwards sunken relative to the edge of the right side of the long battery contact piece to form an arc-shaped notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921476954.4U CN210327093U (en) | 2019-09-06 | 2019-09-06 | Charger suitable for cylinder lithium cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921476954.4U CN210327093U (en) | 2019-09-06 | 2019-09-06 | Charger suitable for cylinder lithium cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210327093U true CN210327093U (en) | 2020-04-14 |
Family
ID=70132129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921476954.4U Active CN210327093U (en) | 2019-09-06 | 2019-09-06 | Charger suitable for cylinder lithium cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210327093U (en) |
-
2019
- 2019-09-06 CN CN201921476954.4U patent/CN210327093U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5157318A (en) | Structure of battery charger for different size and specification batteries | |
| KR20150142338A (en) | Battery pack having bushing for coupling end plate | |
| CN203871894U (en) | Charger and charging system | |
| CA2854284A1 (en) | Standby battery product and stackable charging system thereof | |
| CN105098225A (en) | Charging cylindrical lithium-ion battery and charging battery box thereof | |
| CN203014411U (en) | Mobile power supply with expandable battery | |
| CN203278909U (en) | Smartphone rechargeable housing | |
| US10312552B2 (en) | Electrical energy storage device and electricity conducting mechanism thereof | |
| CN206893745U (en) | Battery module with power balance structure | |
| CN210327093U (en) | Charger suitable for cylinder lithium cell | |
| CN103094936A (en) | Card-type wireless positioning terminal charging system | |
| CN205282574U (en) | Novel electric core structure of battery | |
| CN218648604U (en) | Overcharge protection device of photovoltaic energy storage battery | |
| CN116581845A (en) | Intelligent charging and discharging platform based on Internet of things | |
| CN210437040U (en) | BMS active equalization plug-in component and charging system | |
| CN210404781U (en) | Novel vehicle-mounted charger with mobile power supply function | |
| CN210443591U (en) | Battery pack charging and discharging device | |
| CN201576720U (en) | Charger and rechargeable battery | |
| EP3890145A1 (en) | Energy storage device and electric tool system | |
| CN203135483U (en) | A multi-interface lithium battery adapter | |
| CN201556669U (en) | Universal mobile-phone battery | |
| CN112117789A (en) | Charger and charging control method thereof | |
| CN204720512U (en) | Charging cylindrical lithium battery and charging battery cartridge thereof | |
| CN214254623U (en) | Fixing device for lithium battery power supply | |
| CN214378589U (en) | Chargeable battery with electric quantity display |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |