CN218005925U - High-efficient charging device of series battery - Google Patents
High-efficient charging device of series battery Download PDFInfo
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- CN218005925U CN218005925U CN202221974022.4U CN202221974022U CN218005925U CN 218005925 U CN218005925 U CN 218005925U CN 202221974022 U CN202221974022 U CN 202221974022U CN 218005925 U CN218005925 U CN 218005925U
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- battery
- battery pack
- electrode
- series
- charging device
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Abstract
The utility model provides a high-efficient charging device of series battery, including a plurality of battery cells, a plurality of battery cells divide into two sets of series connection and form first group battery and second group battery, and first group battery includes two at least battery cells, and the second group battery includes two at least battery cells; the negative electrode of the first battery pack is electrically connected with the positive electrode of the second battery pack to form a common electrode, the positive electrode of the first battery pack is a first connection electrode, and the negative electrode of the second battery pack is a second connection electrode. The design of group battery is favorable to balancing the electric quantity of every battery cell for power after using between each battery cell is similar, and then guarantees that the charging effect between each battery is average. Meanwhile, a common electrode is designed between the first battery pack and the second battery pack, so that the first electrode and the common electrode form a loop, the second electrode and the common electrode form another loop, and the two loops are used for charging and discharging, so that the service life of the battery can be prolonged.
Description
Technical Field
The utility model relates to an electricity field, specificly relate to a high-efficient charging device of series battery.
Background
The battery in the existing electric vehicle is a battery pack formed by connecting a plurality of batteries in series, when the batteries connected in series in sequence are charged, a part of the batteries are overcharged, and a part of the batteries are in an unfilled state, so that the service life of the batteries is short. Specifically, when the battery pack is used, energy output conditions of the batteries are different, so that a difference in electric quantity is formed during charging, and therefore, the batteries cannot be charged fully simultaneously, and when the electric quantity meets a charging requirement through addition, a user stops charging without knowing, so that the above-mentioned conditions of partial overcharging and partial undercharging are formed, and therefore, the service life of the battery pack is seriously affected.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high-efficient charging device of series battery aims at improving the general low problem of battery module life of current electric motor car.
The utility model discloses a realize like this: a high-efficiency charging device for series batteries comprises a plurality of single batteries, wherein the single batteries are divided into two groups which are connected in series to form a first battery pack and a second battery pack, the first battery pack comprises at least two single batteries, and the second battery pack comprises at least two single batteries;
the negative pole of the first battery pack and the positive pole of the second battery pack are electrically connected to form a common electrode, the positive pole of the first battery pack is a first power connection electrode, and the negative pole of the second battery pack is a second power connection electrode.
Preferably, the power line of the first electrode, the second electrode and the common electrode forms a plug of a three-core power line.
Preferably, the first battery pack is provided with two or three unit cells.
Preferably, the second battery pack is provided with two or three unit batteries.
Preferably, the charging device further comprises a charging device housing, and the first battery pack and the second battery pack are arranged on the charging device housing.
The beneficial effects of the utility model are that:
1. establish ties into the group battery with a plurality of battery cells, establish ties the group battery again, form the effect that multiunit group battery series connection was used to charge respectively to a plurality of group batteries, and the design of group battery is favorable to balancing the electric quantity between all monocells, makes the capacity between each battery cell close after using, and then guarantees that the effect of charging between each battery is average, in order to improve life. Specifically, two groups of battery packs are arranged, and a common electrode is designed between the first battery pack and the second battery pack, so that the first common electrode and the common electrode form one circuit, and the second common electrode and the common electrode form the other circuit. The two groups of battery packs are charged through the two loops, the number of the single batteries which are charged in series is reduced, the relative balance of the capacity between the single batteries after charging is improved, the overcharge condition of a certain or some single batteries is avoided, the service life of the battery packs is prolonged, the durability of the whole vehicle is improved, and the environment-friendly coefficient of the storage battery is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic diagram of a high-efficiency charging device for series-connected batteries according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a series battery high-efficiency charging device according to an embodiment of the present invention, which is located in a housing of the charging device.
Reference numerals are as follows:
10. a single battery;
101. a first battery pack; 102. a second battery pack; 103. a common electrode;
104. a first connecting electrode; 105. a second connecting electrode;
20. a plug-in connector;
30. a charging device housing.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1 and fig. 2, the present embodiment provides a series battery efficient charging apparatus, including a plurality of single batteries 10, the plurality of single batteries 10 are divided into two groups, which are electrically connected in series to form a first battery pack 101 and a second battery pack 102, the first battery pack 101 includes at least two single batteries 10, and the second battery pack 102 includes at least two single batteries 10; the negative electrode of the first battery pack 101 is electrically connected with the positive electrode of the second battery pack 102 to form a common electrode 103, the positive electrode of the first battery pack 101 is a first electric connecting electrode 104, and the negative electrode of the second battery pack 102 is a second electric connecting electrode 105.
In the present embodiment, a first battery pack 101 and a second battery pack 102 are formed by grouping a plurality of single batteries 10, the single batteries 10 in the battery packs are electrically connected in series and are connected by power lines at a first electric connection electrode 104, a second electric connection electrode 105 and a common electrode 103, so that the first battery pack 101 and the second battery pack 102 can be charged. The first electric connecting electrode 104 and the common electrode 103 form a loop, and the second electric connecting electrode 105 and the common electrode 103 form another loop, so that two groups of battery packs are charged in a manner of forming two loops, so as to reduce the number of the series-connected single batteries 10, further reduce the electric energy difference value (the electric quantity value stored in the single battery 10) among the single batteries 10, and further improve the service life of each single battery 10.
As shown in fig. 1 and 2, the first battery pack 101 in the present embodiment is provided with two or three unit batteries 10. The second battery pack 102 is provided with two or three unit batteries 10. When the voltage of one single battery 10 is 12V, the voltage of two single batteries 10 connected in series is 24V, and the voltage of three single batteries 10 connected in series is 36V, so that the first battery pack 101 and the second battery pack 102 can be combined with different numbers of single batteries 10 to form different power supply voltage combinations of 48V, 60V, 72V and the like, so as to meet different use scenes and improve the adaptability and the practicability.
As shown in FIG. 1, the power line of the first electric connecting electrode 104, the second electric connecting electrode 105 and the common electrode 103 in the present embodiment constitutes the plug 20 of the three-core power line. The power cord can be directly plugged with an external power supply through the plug 20, or the commercial power can be directly plugged and connected, so that the practicability is improved.
As shown in fig. 2, the present embodiment further includes a charging device housing 30, and a first battery pack 101 and a second battery pack 102 are disposed in the charging device housing 30. The charging device shell 30 can contain the single batteries 10, and can regulate and discharge a plurality of single batteries 10, orderly arrange power lines, form fixed mounting and is convenient to carry. Meanwhile, an explosion-proof and combustion-proof partition plate may be disposed in the charging device case 30, improving safety in use.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The efficient charging device for the series batteries is characterized by comprising a plurality of single batteries, wherein the single batteries are divided into two groups which are connected in series to form a first battery group and a second battery group, the first battery group comprises at least two single batteries, and the second battery group comprises at least two single batteries;
the negative pole of the first battery pack and the positive pole of the second battery pack are electrically connected to form a common electrode, the positive pole of the first battery pack is a first power connection electrode, and the negative pole of the second battery pack is a second power connection electrode.
2. The high-efficiency charging device for series-connected batteries according to claim 1, wherein: the first power line, the second power line and the common electrode form a plug connector of the three-core power line.
3. The high-efficiency charging device for series-connected batteries according to claim 1, wherein: the first battery pack is provided with two or three single batteries.
4. The device for efficiently charging series-connected batteries according to claim 1, wherein: the second battery pack is provided with two or three single batteries.
5. The device for efficiently charging series-connected batteries according to claim 1, wherein: the battery pack further comprises a charging device shell, and the first battery pack and the second battery pack are arranged in the charging device shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221974022.4U CN218005925U (en) | 2022-07-28 | 2022-07-28 | High-efficient charging device of series battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221974022.4U CN218005925U (en) | 2022-07-28 | 2022-07-28 | High-efficient charging device of series battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218005925U true CN218005925U (en) | 2022-12-09 |
Family
ID=84317999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221974022.4U Active CN218005925U (en) | 2022-07-28 | 2022-07-28 | High-efficient charging device of series battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218005925U (en) |
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2022
- 2022-07-28 CN CN202221974022.4U patent/CN218005925U/en active Active
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