CN213817261U - Mobile power supply - Google Patents
Mobile power supply Download PDFInfo
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- CN213817261U CN213817261U CN202022228253.8U CN202022228253U CN213817261U CN 213817261 U CN213817261 U CN 213817261U CN 202022228253 U CN202022228253 U CN 202022228253U CN 213817261 U CN213817261 U CN 213817261U
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- circuit board
- battery
- power supply
- battery cell
- mobile power
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Abstract
The application discloses portable power source, including a plurality of electric cores, circuit board, casing, input interface and output interface. The battery cell is used for storing and releasing electric energy, the circuit board is connected with the battery cell, at least two lines of battery cells are arranged on the circuit board, an inner concave structure is formed between two adjacent battery cells on the same line, the two adjacent lines of battery cells are arranged in a staggered mode, so that each inner concave structure corresponds to one battery cell on the other line, and the battery cell part corresponding to the inner concave structure is accommodated in the inner concave structure. The casing has and holds the cavity, and electric core and circuit board setting are holding in the cavity. The input interface is connected with the circuit board, the input interface is used for charging the battery cell, the output interface is connected with the circuit board, and the output interface is used for being connected with equipment to be charged. Because the space of the concave structure formed between two adjacent battery cores in the same row is fully utilized, the space occupied by the battery cores is reduced, and the size of the mobile power supply is reduced under the condition that the capacity of the mobile power supply is not reduced.
Description
Technical Field
The invention relates to the technical field of energy storage products, in particular to a mobile power supply.
Background
Along with the popularization of portable electronic products, the intelligent mobile power supply is produced. The mobile power supply is also called a portable power supply, a portable emergency power supply and an outdoor mobile power supply. The portable power source can solve the problem of endurance of power detection equipment, environment detection equipment, emergency rescue equipment, outdoor exploration equipment, emergency communication equipment, outdoor medical equipment, electronic digital equipment and the like in the open air.
With the popularization of mobile power supplies, the capacity of the mobile power supplies is also becoming larger and larger. However, an increase in capacity generally leads to an increase in the volume of the portable power source, thereby reducing its portability. Therefore, how to reduce the size of the mobile power supply while increasing the capacity of the mobile power supply becomes an important issue.
Disclosure of Invention
The invention mainly solves the technical problems that: how to reduce the size of the mobile power supply.
According to a first aspect, there is provided in an embodiment a mobile power supply comprising:
the battery comprises a plurality of battery cores, a plurality of battery cores and a plurality of battery cores, wherein the battery cores are used for storing and releasing electric energy;
the circuit board is connected with the plurality of battery cells, at least two lines of the battery cells are arranged on the circuit board, an inward concave structure is formed between two adjacent battery cells positioned in the same line, the two adjacent lines of the battery cells are arranged in a staggered manner, so that each inward concave structure corresponds to one battery cell in the other line, and the part of the battery cell corresponding to the inward concave structure is accommodated in the inward concave structure;
the shell is provided with an accommodating cavity, and the battery cell and the circuit board are arranged in the accommodating cavity;
the input interface is connected with the circuit board and used for charging the battery cell;
and the output interface is connected with the circuit board and is used for being connected with equipment to be charged.
In one embodiment, the cell is cylindrical.
In one embodiment, the plurality of cells have the same diameter, and the total width of two adjacent rows of cells on the circuit board is less than twice the diameter of the cells.
In one embodiment, the battery pack further comprises a heat dissipation fan, wherein the heat dissipation fan is arranged on one side of the circuit board, and the air outlet side of the heat dissipation fan faces the battery core.
In one embodiment, the circuit board comprises an upper board body and a lower board body, the battery cell is arranged between the upper board body and the lower board body, and the upper board body is detachably connected with the lower board body.
In one embodiment, a plurality of first studs are arranged on one side of the upper plate body, which is in contact with the battery core, a plurality of second studs are arranged on one side of the lower plate body, which is in contact with the battery core, the first studs and the second studs are in one-to-one correspondence, and the first studs and the corresponding second studs are connected through screws.
In an embodiment, a plurality of first positioning grooves are formed in one side, in contact with the battery core, of the upper plate body, the first positioning grooves are used for containing and positioning the top of the battery core, a plurality of second positioning grooves corresponding to the first positioning grooves are formed in one side, in contact with the battery core, of the lower plate body, and the second positioning grooves are used for containing and positioning the bottom of the battery core.
In one embodiment, the positive and negative poles of two adjacent rows of cells on the circuit board face oppositely.
In one embodiment, at least two rows of cells with unequal diameters are disposed on the circuit board.
In one embodiment, a gap for heat dissipation is formed between adjacent battery cells on the circuit board.
According to the mobile power supply of the embodiment, the space of the concave structure formed between two adjacent battery cores in the same row is fully utilized, so that the space occupied by the battery cores is reduced, and the size of the mobile power supply is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a battery cell and a circuit board in the prior art;
fig. 2 is a schematic structural diagram of a battery cell and a circuit board in an embodiment of the present application;
fig. 3 is an exploded view of a cell and a circuit board in an embodiment of the present application;
fig. 4 is a schematic structural diagram of a battery cell and a lower plate in an embodiment of the present application;
FIG. 5 is an enlarged view taken at A of FIG. 4 of the present application;
fig. 6 is a schematic structural diagram of a heat dissipation fan and a circuit board according to an embodiment of the present application.
Reference numerals: 1. an electric core; 2. a circuit board; 21. an upper plate body; 22. a lower plate body; 3. a first stud; 4. a second stud; 5. a concave structure; 6. a heat dissipation fan.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).
Referring to fig. 1, a conventional mobile power supply includes a battery cell 1 and a circuit board 2, where the battery cells 1 on the circuit board 2 are generally arranged in a plurality of parallel rows. The inventor finds that, because the battery cells 1 are generally cylindrical, a concave structure is formed between two adjacent battery cells 1 in the same row, and the space of the concave structure is not effectively utilized, so that space is wasted. Because the space that every indent structure occupy is not big, is difficult to arouse designer's attention, but the inventor of this application notices, along with portable power source's capacity increase, electric core 1 quantity on the circuit board also increases gradually, and the space that a plurality of indent structures on the circuit board were cumulatively occupied is also bigger and bigger, if can effectively utilize the space that these indent structures occupy, is favorable to reducing portable power source's volume.
The embodiment provides a mobile power supply.
Referring to fig. 2 to 5, the mobile power supply includes a plurality of battery cells 1, a circuit board 2, a casing, an input interface, and an output interface.
Because the space of the concave structure 5 formed between two adjacent battery cells 1 in the same row is fully utilized, when the number of the battery cells 1 is the same, the volume occupied by the battery cell arrangement mode in the embodiment is significantly smaller than that occupied by the battery cell arrangement mode in fig. 1, and thus the volume of the mobile power supply is reduced under the condition that the capacity of the mobile power supply is not reduced. The portable power source is convenient for a user to carry, and the capacitance of the portable power source is further increased.
Specifically, referring to fig. 5, the concave structure 5 includes a range within a dashed line frame of a triangle in fig. 5.
Referring to fig. 2 to 5, in an embodiment, the battery cells 1 are cylindrical, and a gap for dissipating heat is formed between two adjacent battery cells 1, so that the heat dissipation effect of the battery cells 1 is enhanced. In other implementations, for some specially-made battery cells 1, as long as the concave structure 5 is formed between two adjacent battery cells 1 in the same row, and the battery cells 1 in the adjacent rows can be partially accommodated in the concave structure 5, the portable power source of the present application can be applied.
Referring to fig. 2 to 5, in the embodiment of the present invention, a plurality of battery cells 1 have the same diameter, and the total width of two adjacent rows of battery cells 1 on the circuit board 2 is less than twice the diameter of the battery cells 1. In the prior art, referring to fig. 1, the total width of two adjacent rows of cells 1 is greater than twice the diameter of the cells 1. In this embodiment, because the space of the concave structure 5 is effectively utilized, the total width of two adjacent rows of battery cells 1 is shortened, so that the total width of two adjacent rows of battery cells 1 on the circuit board 2 is less than twice the diameter of the battery cells 1. Specifically, referring to fig. 4, each row of the battery cells 1 is arranged along the direction indicated by the arrow b in fig. 4, and the "total width of two rows of the battery cells 1" refers to the width along the direction indicated by the arrow c in fig. 4. The circuit board 2 may be a BMS board.
Referring to fig. 5 and 6, in an embodiment, the mobile power supply further includes a heat dissipation fan 6, the heat dissipation fan 6 is disposed on one side of the circuit board 2, and an air outlet side of the heat dissipation fan 6 faces the battery cell 1. The heat dissipation capability of the mobile power supply is enhanced by the heat dissipation fan 6.
Referring to fig. 2-5, in an embodiment, the circuit board 2 includes an upper board 21 and a lower board 22, the battery cell 1 is disposed between the upper board 21 and the lower board 22, and the upper board 21 and the lower board 22 are detachably connected. The battery cell 1 is fixed from opposite ends of the battery cell 1 by the upper plate body 21 and the lower plate body 22.
Referring to fig. 2-5, in an embodiment, a plurality of first studs 3 are disposed on a side of the upper plate 21 contacting the electrical core 1, a plurality of second studs 4 are disposed on a side of the lower plate 22 contacting the electrical core 1, the first studs 3 correspond to the second studs 4 one to one, and the first studs 3 are tightly connected to the corresponding second studs 4 by screws. The upper plate body 21 and the lower plate body 22 are detachably connected through a plurality of first studs 3, second studs 4 and screws.
Referring to fig. 2-5, in an embodiment, second studs 4 are disposed around the lower plate 22, the second studs 4 are also disposed in the middle of the lower plate 22, and every two cells 1 in a partial row of cells 1 are disposed with one second stud 4. The first stud 3 and the second stud 4 on the upper plate body 21 are arranged oppositely. In other embodiments, the second studs 4 may be only disposed on the periphery of the lower plate 22, that is, the second studs 4 disposed in the middle of the lower plate 22 may be eliminated, so as to further save the space inside the mobile power supply.
Referring to fig. 2-5, in an embodiment, a plurality of first positioning grooves are formed on a side of the upper plate 21 contacting the electrical core 1, the first positioning grooves are used for receiving and positioning a top of the electrical core 1, and a plurality of second positioning grooves corresponding to the first positioning grooves are formed on a side of the lower plate 22 contacting the electrical core 1, the second positioning grooves are used for receiving and positioning a bottom of the electrical core 1. The positioning of the two opposite ends of the battery cell 1 is realized through the first positioning groove and the second positioning groove.
In one embodiment, the positive and negative poles of two adjacent rows of cells 1 on the circuit board 2 face oppositely. For example, in two adjacent rows of the battery cells 1, the positive electrodes of one row of the battery cells 1 face upward, and the negative electrodes of the other row of the battery cells 1 face upward.
In one embodiment, at least two rows of cells 1 with different diameters are disposed on the circuit board 2. In other embodiments, the diameters of the battery cells 1 in different rows on the circuit board 2 may be equal or may not be equal.
In one embodiment, the output interface comprises at least one output interface for outputting direct current. The output interface for outputting the direct current can be used for charging the equipment to be charged which needs to be charged by the direct current.
In one embodiment, the mobile power supply further comprises an inverter for inverting the direct current into the alternating current, and the output interface comprises at least one output interface for outputting the alternating current. The output interface for outputting the alternating current can be used for charging the equipment to be charged which needs to be charged by the alternating current.
In one embodiment, the mobile power supply further comprises an inverter for inverting the direct current into the alternating current, and the output interface comprises at least one output interface for outputting the direct current and at least one output interface for outputting the alternating current. The mobile power supply is enabled to charge the equipment to be charged which needs direct current charging and needs alternating current charging.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.
Claims (10)
1. A mobile power supply, comprising:
the battery comprises a plurality of battery cores, a plurality of battery cores and a plurality of battery cores, wherein the battery cores are used for storing and releasing electric energy;
the circuit board is connected with the plurality of battery cells, at least two lines of the battery cells are arranged on the circuit board, an inward concave structure is formed between two adjacent battery cells positioned in the same line, the two adjacent lines of the battery cells are arranged in a staggered manner, so that each inward concave structure corresponds to one battery cell in the other line, and the part of the battery cell corresponding to the inward concave structure is accommodated in the inward concave structure;
the shell is provided with an accommodating cavity, and the battery cell and the circuit board are arranged in the accommodating cavity;
the input interface is connected with the circuit board and used for charging the battery cell;
and the output interface is connected with the circuit board and is used for being connected with equipment to be charged.
2. The mobile power supply of claim 1, wherein the cell is cylindrical.
3. The mobile power supply of claim 2, wherein the plurality of cells have the same diameter, and wherein a total width of two adjacent rows of cells on the circuit board is less than twice the cell diameter.
4. The mobile power supply of claim 1, further comprising a heat dissipation fan disposed on a side of the circuit board, wherein an air outlet side of the heat dissipation fan faces the battery cell.
5. The mobile power supply of any one of claims 1-4, wherein the circuit board comprises an upper board body and a lower board body, the battery cell is disposed between the upper board body and the lower board body, and the upper board body and the lower board body are detachably connected.
6. The mobile power supply according to claim 5, wherein a plurality of first studs are arranged on one side of the upper plate body, which is in contact with the battery cell, and a plurality of second studs are arranged on one side of the lower plate body, which is in contact with the battery cell, wherein the first studs correspond to the second studs in a one-to-one manner, and the first studs are connected with the corresponding second studs through screws.
7. The mobile power supply according to claim 5, wherein a plurality of first positioning grooves are formed on a side of the upper plate body contacting the battery cell, the first positioning grooves are used for accommodating and positioning a top of the battery cell, and a plurality of second positioning grooves corresponding to the first positioning grooves are formed on a side of the lower plate body contacting the battery cell, the second positioning grooves are used for accommodating and positioning a bottom of the battery cell.
8. The mobile power supply of any one of claims 1 to 4, wherein the positive and negative poles of two adjacent rows of cells on the circuit board face oppositely.
9. The mobile power supply of claim 1 or 2, wherein at least two rows of cells with unequal diameters are disposed on the circuit board.
10. The mobile power supply of any one of claims 1-4, wherein a gap for heat dissipation is provided between adjacent cells on the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022228253.8U CN213817261U (en) | 2020-10-09 | 2020-10-09 | Mobile power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022228253.8U CN213817261U (en) | 2020-10-09 | 2020-10-09 | Mobile power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213817261U true CN213817261U (en) | 2021-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022228253.8U Active CN213817261U (en) | 2020-10-09 | 2020-10-09 | Mobile power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213817261U (en) |
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2020
- 2020-10-09 CN CN202022228253.8U patent/CN213817261U/en active Active
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