CN212517361U - Energy storage battery pack structure - Google Patents
Energy storage battery pack structure Download PDFInfo
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- CN212517361U CN212517361U CN202021146690.9U CN202021146690U CN212517361U CN 212517361 U CN212517361 U CN 212517361U CN 202021146690 U CN202021146690 U CN 202021146690U CN 212517361 U CN212517361 U CN 212517361U
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- module
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- energy storage
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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
Abstract
An energy storage battery pack structure, comprising: the middle part of the upper end of the box cover is hinged with a handle; the battery module is arranged in the box body and comprises a module box body, a module cover plate, a battery protection plate, an aluminum row with serial electric cores, two aluminum rows with lead-out positive and negative electrodes and a plurality of square electric cores; wherein: the module box body is U-shaped and is formed by integrally connecting a bottom plate, a left side plate and a right side plate; the module cover plate is fixed at the upper end of the module box body and is combined with the module box body to form a frame body with openings at the front end and the rear end, and the frame body is fixed in the box body; a plurality of square battery cells are fixed in the frame body side by side, and the polarities of the square battery cells are arranged forwards in the same direction; the battery protection board is horizontally fixed at the upper end of the module cover board, and a negative terminal and a positive terminal which respectively vertically penetrate through the box cover upwards are arranged on the battery protection board; the battery cell series aluminum bar is arranged on the front side of the square battery cell and is welded and connected with a lug of the square battery cell in series; the structure is compact, the fixation is firm, and the manufacturability is strong.
Description
Technical Field
The utility model relates to a battery technology field, concretely relates to energy storage battery pack structure.
Background
With the development of industry, the application scenes of energy storage batteries are more and more, such as emergency power supplies, 5G communication, household energy storage and the like. An energy storage battery pack structure has the advantages of simple structure, safety, convenience in carrying and the like. However, most of the existing energy storage batteries use lead-acid batteries, and the lead-acid batteries have the defects of large volume, low energy density ratio, less cycle times, environmental pollution and the like, and are widely accepted in the market. The existing lithium battery energy storage structure is not compact enough in the structure of a battery module and is easy to loosen when used in a vibration environment for a long time.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an energy storage battery pack structure, make its compact structure, fixed firm.
The utility model provides a technical scheme that technical problem adopted is: an energy storage battery pack structure, comprising:
the box body and the box cover buckled and locked at the upper end of the box body, and the middle part of the upper end of the box cover is hinged with a handle;
the battery module is arranged in the box body and comprises a module box body, a module cover plate, a battery protection plate, an aluminum row with serial electric cores, two aluminum rows with lead-out positive and negative electrodes and a plurality of square electric cores; wherein:
the module box body is U-shaped and is formed by integrally connecting a bottom plate, a left side plate and a right side plate; the module cover plate is fixed at the upper end of the module box body and is combined with the module box body to form a frame body with openings at the front end and the rear end, and the frame body is fixed in the box body; the plurality of square battery cells are fixed in the frame body side by side, and the polarities of the square battery cells are arranged forwards in the same direction;
the battery protection board is horizontally fixed at the upper end of the module cover board, a negative terminal and a positive terminal are arranged on the battery protection board, and the negative terminal and the positive terminal vertically penetrate through the box cover upwards respectively;
the battery cell series aluminum bar is arranged on the front side of the square battery cell and is welded and connected with a lug of the square battery cell in series; the positive electrode and the negative electrode are led out of the total negative connection of the square battery cell of the aluminum busbar and are connected to a positive terminal through a positive power line; the other positive and negative electrode lead-out aluminum bar is connected with the total negative electrode of the square battery cell, and is connected to a negative terminal after being connected with a current sensor in series through a negative power line.
Preferably, locking holes are formed in the periphery of the frame body and locked in the box body through screws.
Preferably, the positive and negative lead-out aluminum bars are L-shaped, and the upper ends of the battery cell series aluminum bars are fixed on the module cover plate through the two positive and negative lead-out aluminum bars by using the combined screws.
Preferably, the battery protection board is fixed on the module cover board by the combined screw, and the combined screw is fixed at the upper end of the module cover board through an insulating column.
Preferably, a cell tab insulating sheet for separating the square cell from the frame body is fixed on the inner wall of the frame body.
Preferably, a cell tab insulating cover is fixed at the front end of the cell series aluminum row.
Preferably, the total positive pole and the total negative pole of the battery cell series aluminum busbar are connected to the battery protection board through a module acquisition line; the module acquisition line acquires voltage and temperature information of the battery module and provides the voltage and temperature information for the battery protection board, and the battery protection board protects the battery through the voltage and temperature information.
Preferably, the box cover is further provided with a display panel, and the display panel is connected with the battery protection board; the current sensor provides current information to the battery protection board; the battery protection board estimates the residual capacity of the battery module according to a preset discharge curve and the measured voltage, and provides the estimated residual capacity, the voltage and the temperature information for the display panel.
The utility model discloses a set up square electricity core in the framework to fix the framework in the box, the battery protection shield is directly installed on the module apron, integrate module and protection shield, and wear to establish the case lid upwards and draw out negative terminal and positive terminal; the structure is compact, the fixation is firm, and the manufacturability is strong.
Drawings
Fig. 1 is a schematic structural diagram of an energy storage battery pack according to a preferred embodiment of the present invention;
fig. 2 is an exploded view of an energy storage battery pack according to a preferred embodiment of the present invention;
fig. 3 is an exploded view of a battery module according to a preferred embodiment of the present invention;
description of reference numerals: 11. a box body; 12. a box cover; 13. a negative terminal; 14. a handle; 15. a display panel; 16. a positive terminal; 21. a battery module; 23. a module collecting line; (ii) a 25. A positive power supply line; 26. a current sensor; 27. a negative power supply line; 28. a battery protection plate; 31. a module box body; 32. a module cover plate; 33. a flat head screw; 34. a module insulating sheet; 35. a square battery cell; 36. an electric core tab insulation sheet; 37. the battery cell is connected with the aluminum bar in series; 38. a battery core tab insulation cover; 39. an insulating column; 40. leading out aluminum bars from the positive electrode and the negative electrode; 41. assembling screws;
Detailed Description
The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.
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; can be mechanically or electrically connected; 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.
Please refer to fig. 1 to fig. 3.
As shown in fig. 1 and 2, the energy storage battery pack structure of the present invention includes a case 11 and a case cover 12 fastened to the upper end of the case 11, and a battery module 21 is disposed in the case 11. A handle 14 is hinged to the middle of the upper end of the box cover 12, so that the box cover is convenient to carry. A negative terminal 13 and a positive terminal 16 are vertically inserted upward through the case cover 12, respectively. The negative terminal 13 and the positive terminal 16 are used for discharging or charging. The box cover 12 is further provided with a display panel 15 for displaying information such as voltage, remaining capacity, temperature, etc. of the battery module.
A plurality of square electric cores 35 are fixed in the frame body side by side, and the polarity of the square electric cores 35 is arranged forward in the same direction. An anode and cathode lead-out aluminum bar 40 connected with the anode of the square battery cell 35 is connected to the anode terminal 16 through an anode power line 25; the other positive and negative electrode lead-out aluminum bar 40 connected with the negative electrode of the square battery cell 35 is connected with a current sensor 26 in series through a negative power line 27 and then is connected to the negative terminal 13.
As shown in fig. 3, the battery module 21 includes a module case 31 and a module cover 32. The module box 31 is U-shaped and is formed by integrally connecting a bottom plate, a left side plate and a right side plate. The module cover plate 32 is fastened to the upper end of the module case 31 by a flat head screw 33, and the two are combined to form a frame body with openings at the front end and the rear end.
A cell tab insulating sheet 36 is fixed to an inner wall of the frame body, and separates the square cell 35 from the frame body to perform insulation protection on the square cell 35. Locking holes are formed in the periphery of the frame body and are locked in the box body 11 through screws.
A cell series aluminum bar 37 is disposed at the front side of the square cell 35, and is welded to the tab of the square cell 35 to connect the square cell 35 in series. The upper end of the cell series aluminum bar 37 is fixed on the module cover plate 32 through two L-shaped positive and negative lead-out aluminum bars 40. The total positive and the total negative poles of the cell series aluminum row 37 are respectively connected to a combined screw 41 through a positive and negative lead-out aluminum row 40. The combination screw 41 is disposed on one of the insulating columns 39, and fixes the positive and negative lead-out aluminum bars 40 and the battery protection plate 28 to the upper end of the module cover plate 32.
A cell tab insulating cover 38 is fixed at the front end of the cell series aluminum row 37. The total positive and the total negative poles of the cell series aluminum row 37 are connected to the battery protection board 28 through the module collection line 23. The battery protection plate 28 is horizontally fixed to the upper end of the module cover plate 32.
The module collecting line 23 collects voltage and temperature information of the battery module 21 and provides the voltage and temperature information to the battery protection board 28, and the battery protection board 28 protects the battery through the voltage and temperature information. For example, current cutoff or limiting may be performed when the voltage is below the operating range or the temperature is outside the operating range.
In other embodiments, it is preferable that a display panel 15 is further disposed on the box cover 12, and the display panel 15 is connected to the battery protection board 28; the current sensor 26 provides current information to the battery protection plate 28. The battery protection board 28 estimates the remaining capacity of the battery module 21 according to a predetermined discharge curve and the measured voltage, and provides the estimated remaining capacity and voltage, temperature information to the display panel 15.
The utility model discloses a set up square electricity core in the framework to fix the framework in the box, the battery protection shield is directly installed on the module apron, integrate module and protection shield, and wear to establish the case lid upwards and draw out negative terminal and positive terminal; the structure is compact, the fixation is firm, and the manufacturability is strong.
Other parts not described in detail in the present invention belong to the prior art, and are not described herein again.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (8)
1. An energy storage battery pack structure, comprising:
the box body (11) and a box cover (12) buckled and locked at the upper end of the box body (11), wherein the middle part of the upper end of the box cover (12) is hinged with a lifting handle (14);
the battery module (21) is arranged in the box body (11) and comprises a module box body (31), a module cover plate (32), a battery protection plate (28), an electric core series aluminum bar (37), two positive and negative electrode lead-out aluminum bars (40) and a plurality of square electric cores (35); wherein:
the module box body (31) is U-shaped and is formed by integrally connecting a bottom plate, a left side plate and a right side plate; the module cover plate (32) is fixed at the upper end of the module box body (31) and is combined with the module box body (31) to form a frame body with openings at the front end and the rear end, and the frame body is fixed in the box body (11); the square battery cells (35) are fixed in the frame side by side, and the polarities of the square battery cells (35) are arranged forward in the same direction;
a battery protection plate (28) is horizontally fixed at the upper end of the module cover plate (32), a negative terminal (13) and a positive terminal (16) are arranged on the battery protection plate (28), and the negative terminal (13) and the positive terminal (16) vertically penetrate through the box cover (12) upwards respectively;
the cell series aluminum bar (37) is arranged on the front side of the square cell (35) and is welded and connected with a lug of the square cell (35) in series; an anode and cathode lead-out aluminum bar (40) is connected with the total negative pole of the square battery cell (35) and is connected to the anode wiring terminal (16) through an anode power line (25); the other positive and negative electrode lead-out aluminum bar (40) is connected with the total negative of the square battery cell (35) and is connected to a negative terminal (13) after being connected with a current sensor (26) in series through a negative power line (27).
2. The energy storage battery pack structure according to claim 1, wherein the frame body is provided with locking holes around, and the locking holes are locked in the box body (11) through screws.
3. The energy storage battery pack structure according to claim 1, wherein the positive and negative lead-out aluminum bars (40) are L-shaped, and the upper ends of the cell series aluminum bars (37) are fixed on the module cover plate (32) through the two positive and negative lead-out aluminum bars (40) by using combined screws (41).
4. An energy storage battery pack structure as claimed in claim 3, wherein the combination screw (41) also secures the battery protection plate (28) to the module cover plate (32), the combination screw (41) being secured to the upper end of the module cover plate (32) by an insulating post (39).
5. The energy storage battery pack structure of claim 1, wherein the frame has cell tab insulating sheets (36) affixed to the inner walls of the frame to separate the square cells (35) from the frame.
6. The energy storage battery pack structure of claim 1, wherein a cell tab insulating cover (38) is fixed to the front end of the cell series aluminum row (37).
7. The energy storage battery pack structure of claim 1, wherein the total positive and total negative poles of the cell series aluminum row (37) are connected to the battery protection board (28) through a module collection wire (23); the module collecting line (23) collects voltage and temperature information of the battery module (21) and provides the voltage and temperature information for the battery protection board (28), and the battery protection board (28) protects the battery through the voltage and temperature information.
8. An energy storage battery pack structure as claimed in claim 7, wherein the case lid (12) is further provided with a display panel (15), the display panel (15) being connected to the battery protection plate (28); the current sensor (26) provides current information to the battery protection board (28); the battery protection board (28) estimates the residual capacity of the battery module (21) according to a preset discharge curve and the measured voltage, and provides the estimated residual capacity, the voltage and the temperature information to the display panel (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021146690.9U CN212517361U (en) | 2020-06-19 | 2020-06-19 | Energy storage battery pack structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021146690.9U CN212517361U (en) | 2020-06-19 | 2020-06-19 | Energy storage battery pack structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212517361U true CN212517361U (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021146690.9U Active CN212517361U (en) | 2020-06-19 | 2020-06-19 | Energy storage battery pack structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212517361U (en) |
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2020
- 2020-06-19 CN CN202021146690.9U patent/CN212517361U/en active Active
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