CN113206351A - Battery cell arrangement structure of charging product - Google Patents
Battery cell arrangement structure of charging product Download PDFInfo
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- CN113206351A CN113206351A CN202010045907.5A CN202010045907A CN113206351A CN 113206351 A CN113206351 A CN 113206351A CN 202010045907 A CN202010045907 A CN 202010045907A CN 113206351 A CN113206351 A CN 113206351A
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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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Abstract
The invention provides a battery cell arrangement structure of a charging product, which is characterized by comprising a shell, a plurality of battery bodies, a plurality of series-connected nickel sheets, an anode nickel sheet and a cathode nickel sheet, wherein the shell comprises a first cover plate and a second cover plate, seven positioning grooves are respectively formed in the first cover plate and the second cover plate, one positioning groove is positioned in the middle of the cover plate, the other six positioning grooves are uniformly distributed on a circumference formed by taking the center of the cover plate as the circle center, the plurality of battery bodies are positioned between the two cover plates, the plurality of battery bodies are connected in series through the series-connected nickel sheets to form a battery pack, the anode nickel sheet is connected to the anode of the battery pack, and the cathode nickel sheet is connected to the cathode of the battery pack. Compared with the prior art, the battery pack has the advantages that the distances between the adjacent battery bodies are the same, the same series connection nickel sheets can be commonly used, the voltage of the battery pack can be adjusted by changing the installation number of the battery bodies, and the battery pack is convenient to disassemble and assemble.
Description
Technical Field
The invention relates to a battery pack of a charging product, in particular to a battery cell arrangement structure of the charging product.
Background
The battery electric core that is used for the group battery of the product of charging on the market at present arranges comparatively irregularly, establish ties through the wire between each battery electric core, a large amount of wires lead to the series structure in disorder, the user often is non-professional crowd, be difficult to the operation when battery electric core goes wrong and need change, consequently, need rearrangement assembled battery electric core, make it establish ties through the nickel piece of same specification, reduce the dismouting degree of difficulty of battery electric core, the voltage of group battery can't be adjusted through the quantity of increase and decrease battery electric core to the group battery on the market simultaneously.
Disclosure of Invention
In view of this, the invention provides a battery cell arrangement structure of a charging product, which enables distances between adjacent battery bodies to be the same as in the prior art, can use the same series nickel sheet, and can adjust the voltage of a battery pack by changing the installation number of the battery bodies, and is convenient to disassemble and assemble.
The invention provides a battery cell arrangement structure of a charging product, which comprises a shell, a plurality of battery bodies, a plurality of series-connected nickel sheets, a positive electrode nickel sheet and a negative electrode nickel sheet, wherein the shell comprises a first cover plate and a second cover plate, the first cover plate is provided with seven first positioning grooves, one first positioning groove is positioned in the middle of the first cover plate, the other six first positioning grooves are uniformly distributed on a circumference formed by taking the center of the cover plate as the circle center, the second cover plate is provided with seven second positioning grooves, one second positioning groove is positioned in the middle of the second cover plate, the other six second positioning grooves are uniformly distributed on the circumference formed by taking the center of the cover plate as the circle center, the seven first positioning grooves correspond to the seven second positioning grooves one by one, the battery bodies are positioned between the first positioning grooves and the second positioning grooves, and the plurality of battery bodies are connected in series through the series-connected nickel sheets to form a battery pack, the positive electrode nickel sheet is connected to the positive electrode of the battery pack, and the negative electrode nickel sheet is connected to the negative electrode of the battery pack.
Further, the distance between any two adjacent battery bodies 3 is the same.
Further, the battery pack comprises seven battery bodies 3, three series nickel sheets 4 and three anode nickel sheets 5 are arranged on the first cover plate 1, and three series nickel sheets 4 and three cathode nickel sheets 6 are arranged on the second cover plate 2.
Further, the battery pack comprises six battery bodies 3, and the six battery bodies 3 are uniformly distributed on a circumference formed by taking the center of the cover plate as a circle center.
Furthermore, the first cover plate 1 is provided with two serial nickel sheets 4, a positive electrode nickel sheet 5 and a negative electrode nickel sheet 6, and the second cover plate 2 is provided with three serial nickel sheets 4.
Further, the battery pack includes five battery bodies 3, and the five battery bodies 3 are distributed on a circumference formed by taking the center of the cover plate as a center.
Further, the first cover plate 1 is provided with two serial nickel sheets 4 and a positive electrode nickel sheet 5, and the second cover plate 2 is provided with two serial nickel sheets 4 and a negative electrode nickel sheet 6.
Further, the battery pack includes four battery bodies 3, and the four battery bodies 3 are distributed on a circumference formed by taking the center of the cover plate as a center.
Furthermore, the first cover plate 1 is provided with a serial nickel sheet 4, a positive electrode nickel sheet 5 and a negative electrode nickel sheet 6, and the second cover plate 2 is provided with two serial nickel sheets 4.
Further, the first cover plate 1 and the second cover plate 2 are clamped together by a connecting plate 7.
The battery cell arrangement structure of the charging product mainly comprises a shell and seven battery bodies, and the distances between the adjacent battery bodies are the same, so that the same series connection nickel sheets can be used for series connection, compared with a lead, the installation difficulty is reduced, the structure is simplified, the disassembly and the maintenance are convenient, the number of the battery bodies can be increased and decreased to adjust the voltage of a battery pack, and the following contents are explained in more detail: the invention adopts the structure that one battery body is placed in the middle, and the other six battery bodies are uniformly distributed on the circumference drawn by taking the center of the cover plate as the center of a circle, so that the distances between each battery body and the adjacent battery body are completely equal, and since the distances are equal, the invention can be used as a common serial nickel sheet between the positive electrode and the negative electrode of any two battery bodies connected in series. Just because any battery body is the same with adjacent battery body distance, guaranteed to leave only very little heat dissipation interval (this design adopts adjacent battery body heat dissipation interval 1.5mm), just so guaranteed that battery pack's whole volume is minimum. Because the battery bodies are arranged like a bundle, the anode and the cathode of each battery body are only exposed at two ends, so that when the nickel sheet is welded, only two ends are needed to be welded, and the operation is simple and convenient.
The following is a description of the arrangement of different voltage types: one polarity can be kept unchanged (the design choice is positive), the battery at the tail end of the series connection is the opposite polarity (the design choice is negative), the purpose of different voltages is achieved by reducing one battery at the tail end of the series connection, so that the universality of the assembling parts of a plurality of front series-connected battery cores and the fixity of the welding positions of the plurality of front battery cores are ensured (the front bracket, the rear bracket, the positive nickel sheet, the negative nickel sheet and the series nickel sheet of the four types of batteries can be completely universal). Originally, a small heat dissipation space is designed between batteries, when the model is changed from 7-section 25.2V to 6-section 21.6V, the middle battery is firstly reduced, so that when cooling air passes through the battery assembly, the air can carry heat energy generated by the work of the batteries from the middle, the periphery and the gaps among the batteries, and the model of the batteries smaller than or equal to 6 is better than the model of 7 heat dissipation.
Core point is arranged to electric core: 1. each electric core is equidistant to the centers of the adjacent electric cores; 2. the initial cell position is stipulated, the purpose of achieving different model voltages through increasing and decreasing of the terminal cell is achieved, the consistency of the assembly position of the front-end cell is guaranteed, and parts are universal. 3. When the number of the battery cells with different voltage models is reduced from at most 7, the number of the battery cells is reduced from the middle one, and then the battery cells at the edges are cut off, so that the heat dissipation is best for the models of the battery cells less than or equal to 6.
Therefore, compared with the prior art, the invention has the following advantages:
1. the arrangement mode is simple, and the size of the battery assembly is small;
2. the parts of the battery components with different voltage models have strong universality;
3. the battery assembly has good heat dissipation;
4. the welding process between the electric cores is simple, and the processing cost is low;
5. the voltage level is adjustable and the whole assembly of the battery is easy to replace.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of a battery cell arrangement structure of a charging product according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a battery cell arrangement structure of a charging product provided in an embodiment of the present invention, in which 7 batteries are installed;
fig. 3 is a schematic structural diagram of a battery cell arrangement structure of a charging product provided in an embodiment of the present invention, in which 7 batteries are installed;
fig. 4 is a schematic structural diagram of a battery cell arrangement structure of a charging product provided in an embodiment of the present invention, in which 6 batteries are installed;
fig. 5 is a schematic structural diagram of a battery cell arrangement structure of a charging product provided in an embodiment of the present invention, in which 6 batteries are installed;
fig. 6 is a schematic structural diagram of a battery cell arrangement structure of a charging product provided in an embodiment of the present invention, in which 5 batteries are installed;
fig. 7 is a schematic structural diagram of a battery cell arrangement structure of a charging product provided in an embodiment of the present invention, in which 5 batteries are installed;
fig. 8 is a schematic structural diagram of a battery cell arrangement structure of a charging product provided in an embodiment of the present invention, in which 4 batteries are installed;
fig. 9 is a schematic structural diagram of a battery cell arrangement structure of a charging product provided in an embodiment of the present invention, in which 4 batteries are installed.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The first embodiment is as follows:
referring to fig. 1, the present embodiment provides a battery cell arrangement structure of a charging product, which includes a housing, a plurality of battery bodies 3, a plurality of serially connected nickel sheets 4, a positive electrode nickel sheet 5, and a negative electrode nickel sheet 6, wherein the housing includes a first cover plate 1 and a second cover plate 2, the first cover plate 1 is provided with seven first positioning slots 11, one first positioning slot 11 is located in a middle position of the first cover plate 1, and the other six first positioning slots 11 are uniformly distributed on a circumference formed by taking a center of the cover plate as a center of a circle, the second cover plate 2 is provided with seven second positioning slots 21, one second positioning slot 21 is located in a middle position of the second cover plate 2, and the other six second positioning slots 21 are uniformly distributed on a circumference formed by taking the center of the cover plate as a center of a circle, the positions of the seven first positioning slots 11 correspond to the positions of the seven second positioning slots 21 one by one, the battery bodies 3 are located between the first positioning slots 11 and the second positioning slots 21, and a plurality of battery bodies 3 are connected in series through series connection nickel sheets 4 and form a battery pack, a positive electrode nickel sheet 5 is connected to the positive electrode of the battery pack, a negative electrode nickel sheet 6 is connected to the negative electrode of the battery pack, the distance between any two adjacent battery bodies 3 is the same, and the first cover plate 1 and the second cover plate 2 are connected together in a clamping manner through a connecting plate 7.
Referring to fig. 2 to 3, the battery pack includes seven battery bodies 3, three series nickel plates 4 and a positive electrode nickel plate 5 are provided on a first cover plate 1, and three series nickel plates 4 and a negative electrode nickel plate 6 are provided on a second cover plate 2.
Referring to fig. 4 to 5, the battery pack includes six battery bodies 3, the six battery bodies 3 are uniformly distributed on a circumference formed by using the center of the cover plate as the center of a circle, the first cover plate 1 is provided with two serial nickel plates 4, a positive electrode nickel plate 5 and a negative electrode nickel plate 6, and the second cover plate 2 is provided with three serial nickel plates 4.
Referring to fig. 6 to 7, the battery pack includes five battery bodies 3, the five battery bodies 3 are distributed on a circumference formed by using the center of the cover plate as the center of a circle, the first cover plate 1 is provided with two serial nickel plates 4 and a positive electrode nickel plate 5, and the second cover plate 2 is provided with two serial nickel plates 4 and a negative electrode nickel plate 6.
Referring to fig. 8 to 9, the battery pack includes four battery bodies 3, the four battery bodies 3 are distributed on a circumference formed by using the center of the cover plate as the center of a circle, the first cover plate 1 is provided with one serial nickel plate 4, the positive electrode nickel plate 5 and the negative electrode nickel plate 6, and the second cover plate 2 is provided with two serial nickel plates 4.
The battery cell arrangement structure of the charging product mainly comprises a shell and seven battery bodies, and the distances between the adjacent battery bodies are the same, so that the same series connection nickel sheets can be used for series connection, compared with a lead, the installation difficulty is reduced, the structure is simplified, the disassembly and the maintenance are convenient, the number of the battery bodies can be increased and decreased to adjust the voltage of a battery pack, and the following contents are explained in more detail: the invention adopts the structure that one battery body is placed in the middle, and the other six battery bodies are uniformly distributed on the circumference drawn by taking the center of the cover plate as the center of a circle, so that the distances between each battery body and the adjacent battery body are completely equal, and since the distances are equal, the invention can be used as a common serial nickel sheet between the positive electrode and the negative electrode of any two battery bodies connected in series. Just because any battery body is the same with adjacent battery body distance, guaranteed to leave only very little heat dissipation interval (this design adopts adjacent battery body heat dissipation interval 1.5mm), just so guaranteed that battery pack's whole volume is minimum. Because the battery bodies are arranged like a bundle, the anode and the cathode of each battery body are only exposed at two ends, so that when the nickel sheet is welded, only two ends are needed to be welded, and the operation is simple and convenient.
The following is a description of the arrangement of different voltage types: one polarity can be kept unchanged (the design choice is positive), the battery at the tail end of the series connection is the opposite polarity (the design choice is negative), the purpose of different voltages is achieved by reducing one battery at the tail end of the series connection, so that the universality of the assembling parts of a plurality of front series-connected battery cores and the fixity of the welding positions of the plurality of front battery cores are ensured (the front bracket, the rear bracket, the positive nickel sheet, the negative nickel sheet and the series nickel sheet of the four types of batteries can be completely universal). Originally, a small heat dissipation space is designed between batteries, when the model is changed from 7-section 25.2V to 6-section 21.6V, the middle battery is firstly reduced, so that when cooling air passes through the battery assembly, the air can carry heat energy generated by the work of the batteries from the middle, the periphery and the gaps among the batteries, and the model of the batteries smaller than or equal to 6 is better than the model of 7 heat dissipation.
During design, a 18650 battery is selected and used, and the voltage is 3.6V. The battery component has 7 batteries at most and 4 batteries at least, so that the whole machine has the following four types: 25.2V for 7 batteries; the 6 batteries are 21.6V; the 5 batteries are 18V; 4 batteries are 14.4V. As can be seen from fig. 2 to 9, each less battery is a new voltage type, and the positions of the front points are always unchanged, so that the front and rear supports, the positive electrode nickel plate, the negative electrode nickel plate and the serial nickel plate of the battery can be used universally, and the assembly positions can be completely consistent as the battery is closer to the positive electrode end.
Core point is arranged to electric core: 1. each electric core is equidistant to the centers of the adjacent electric cores; 2. the initial cell position is stipulated, the purpose of achieving different model voltages through increasing and decreasing of the terminal cell is achieved, the consistency of the assembly position of the front-end cell is guaranteed, and parts are universal. 3. When the number of the battery cells with different voltage models is reduced from at most 7, the number of the battery cells is reduced from the middle one, and then the battery cells at the edges are cut off, so that the heat dissipation is best for the models of the battery cells less than or equal to 6.
Therefore, compared with the prior art, the invention has the following advantages:
1. the arrangement mode is simple, and the size of the battery assembly is small;
2. the parts of the battery components with different voltage models have strong universality;
3. the battery assembly has good heat dissipation;
4. the welding process between the electric cores is simple, and the processing cost is low;
5. the voltage level is adjustable and the whole assembly of the battery is easy to replace.
Example two:
referring to fig. 1 to fig. 9, a battery cell arrangement structure of a charging product according to a second embodiment of the present invention is shown in the drawings, and on the basis of the foregoing embodiments, the present embodiment further provides the following technical solutions as improvements: the positive and negative terminals and the voltage monitoring terminal of the battery are connected to the battery body 3 in a detachable manner (for example, clamping connection), and are conventional parts. The following are further descriptions: the battery pack is put in an assembly warehouse for a long time, transported by sea for a long time and put in a sales warehouse for a long time before being sold, so that the battery pack is lost, and finally, the battery pack is sold to a terminal customer, so that the battery pack cannot be charged. When the battery pack is in such a condition, the battery pack can be replaced by detaching the cover plate and pulling out the positive and negative terminals of the battery and the voltage monitoring terminal.
Example three:
referring to fig. 1 to fig. 9, a battery cell arrangement structure of a charging product according to a third embodiment of the present invention is shown in the drawings, and on the basis of the foregoing embodiments, the present embodiment further provides the following technical solutions as improvements: in the above embodiment, only 7 batteries can be placed at most, however, in practice, many charging products need larger electric quantity, and 7 batteries cannot meet the requirement, so that more batteries can be additionally arranged on the outer rings of 7 batteries on the basis of the first embodiment, and further, the electric capacity is improved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The battery cell arrangement structure of the rechargeable product is characterized by comprising a shell, a plurality of battery bodies (3), a plurality of series-connected nickel sheets (4), an anode nickel sheet (5) and a cathode nickel sheet (6), wherein the shell comprises a first cover plate (1) and a second cover plate (2), seven first positioning grooves (11) are formed in the first cover plate (1), one first positioning groove (11) is located in the middle of the first cover plate (1), the other six first positioning grooves (11) are uniformly distributed on a circumference formed by taking the center of the cover plate as the circle center, seven second positioning grooves (21) are formed in the second cover plate (2), one second positioning groove (21) is located in the middle of the second cover plate (2), and the other six second positioning grooves (21) are uniformly distributed on the circumference formed by taking the center of the cover plate as the circle center, the seven first positioning grooves (11) correspond to the seven second positioning grooves (21) one by one, the battery bodies (3) are positioned between the first positioning grooves (11) and the second positioning grooves (21), the battery bodies (3) are connected in series through the series connection nickel sheets (4) to form a battery pack, the positive electrode nickel sheet (5) is connected to the positive electrode of the battery pack, and the negative electrode nickel sheet (6) is connected to the negative electrode of the battery pack.
2. The battery cell arrangement of a charging product according to claim 1, characterized in that the distance between any two adjacent battery bodies (3) is the same.
3. The battery cell arrangement of a charging product according to claim 1 or 2, wherein the battery pack comprises seven battery bodies (3), wherein the first cover plate (1) is provided with three series-connected nickel plates (4) and the positive nickel plate (5), and the second cover plate (2) is provided with three series-connected nickel plates (4) and the negative nickel plate (6).
4. The battery cell arrangement of a charging product according to claim 1 or 2, characterized in that the battery pack comprises six battery bodies (3), and the six battery bodies (3) are uniformly distributed on a circumference formed by taking the center of the cover plate as a center.
5. The battery cell arrangement of one of the rechargeable products of claim 4, wherein the first cover plate (1) has two of the series nickel plates (4), the positive nickel plate (5) and the negative nickel plate (6) disposed thereon, and the second cover plate (2) has three of the series nickel plates (4) disposed thereon.
6. The battery cell arrangement of a charging product according to claim 1 or 2, characterized in that the battery pack comprises five battery bodies (3), and the five battery bodies (3) are distributed on a circumference formed by taking the center of the cover plate as a center.
7. The battery cell arrangement of one of the rechargeable products of claim 6, wherein the first cover plate (1) has two serial nickel plates (4) and the positive nickel plate (5) disposed thereon, and the second cover plate (2) has two serial nickel plates (4) and the negative nickel plate (6) disposed thereon.
8. The battery cell arrangement of a charging product according to claim 1 or 2, characterized in that the battery pack comprises four battery bodies (3), and the four battery bodies (3) are distributed on a circumference formed by taking the center of the cover plate as a center.
9. The battery cell arrangement of a charging product according to claim 8, wherein the first cover plate (1) is provided with one of the series nickel plates (4), the positive nickel plate (5) and the negative nickel plate (6), and the second cover plate (2) is provided with two of the series nickel plates (4).
10. The battery cell arrangement of a charging product according to claim 1 or 2, characterized in that the first cover plate (1) and the second cover plate (2) are snapped together by means of a connecting plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010045907.5A CN113206351A (en) | 2020-01-16 | 2020-01-16 | Battery cell arrangement structure of charging product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010045907.5A CN113206351A (en) | 2020-01-16 | 2020-01-16 | Battery cell arrangement structure of charging product |
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| Publication Number | Publication Date |
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| CN113206351A true CN113206351A (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010045907.5A Pending CN113206351A (en) | 2020-01-16 | 2020-01-16 | Battery cell arrangement structure of charging product |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114976505A (en) * | 2022-07-28 | 2022-08-30 | 合力（天津）能源科技股份有限公司 | Underground high-power battery nipple |
-
2020
- 2020-01-16 CN CN202010045907.5A patent/CN113206351A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114976505A (en) * | 2022-07-28 | 2022-08-30 | 合力（天津）能源科技股份有限公司 | Underground high-power battery nipple |
| CN114976505B (en) * | 2022-07-28 | 2022-11-04 | 合力（天津）能源科技股份有限公司 | Underground high-power battery short joint |
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