CN210325896U - Battery frame component, battery module and battery - Google Patents
Battery frame component, battery module and battery Download PDFInfo
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- CN210325896U CN210325896U CN201921061656.9U CN201921061656U CN210325896U CN 210325896 U CN210325896 U CN 210325896U CN 201921061656 U CN201921061656 U CN 201921061656U CN 210325896 U CN210325896 U CN 210325896U
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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 utility model relates to a battery frame component, a battery module and a battery, relating to the technical field of batteries; the battery frame assembly is used for installing the battery core and is characterized by comprising a frame shell, wherein the frame shell is internally provided with a containing space for containing the battery core, the top and the bottom of the frame shell are respectively and fixedly provided with a metal connecting strip, and the metal connecting strips are used for connecting lugs of the battery core. The utility model discloses a battery module of battery frame subassembly sets up the positive negative pole of electricity core respectively in battery frame subassembly's both ends, and the effectual positive negative pole with electric core is kept apart, has avoided the positive negative pole short circuit of electric core, safe and reliable.
Description
All as the field of technology
The utility model relates to a battery technology field especially relates to a battery frame subassembly, battery module and battery.
All the above-mentioned background techniques
In recent years, the application range of large-capacity square lithium ion batteries has become wider, and the batteries are applied to energy storage power systems of hydraulic power, thermal power, wind power, solar power stations and the like, and energy storage devices of electric tools, electric bicycles, electric motorcycles, electric automobiles, military equipment, aerospace and the like. Moreover, the shadows of lithium batteries, such as sorting robots, agvs (automated guided vehicles) carts, are also found in various equipment and devices in the manufacturing industry, and are used as a source of power for the lithium batteries.
Square lithium ion battery among the prior art adopts a plurality of lithium cell electric cores to establish ties and forms mostly, and the positive negative pole of every lithium cell electric core among the prior art is located same one side, in case the positive negative pole of lithium cell electric core takes place the short circuit, then can cause the ignition incident of fuming, crisis life and property safety.
All kinds of practical novel contents
The utility model discloses a first purpose aims at providing a battery frame subassembly for install electric core, can effectually keep apart the positive negative pole of electric core, avoid the short circuit of the positive negative pole of electric core. The utility model discloses a first purpose is realized through following technical scheme:
the utility model provides a battery frame subassembly for install electric core, its characterized in that, battery frame subassembly includes the frame casing, be provided with in the frame casing and hold the accommodation space of electric core, the top and the bottom of frame casing are fixed respectively and are provided with a metal connecting strip, the metal connecting strip is used for connecting the utmost point ear of electric core.
Preferably, the battery frame assembly has a vertically symmetrical structure.
Specifically, the top and the bottom of the frame casing are respectively provided with a fixing mechanism for fixing the metal connecting strip.
Preferably, the frame casing is further provided with a mark for distinguishing the positive electrode and the negative electrode of the battery cell.
The utility model discloses the second purpose aims at providing a battery module, when the battery uses a plurality of battery modules, the equipment of being convenient for to can effectually avoid the positive negative pole of electric core short circuit. The utility model discloses a second purpose is realized through following technical scheme:
a battery module is characterized by comprising a battery frame assembly for the first purpose and at least one battery cell; and the positive pole lug of each battery cell is connected to one metal connecting strip, and the negative pole lug is connected to the other metal connecting strip.
Specifically, the number of the battery cells is two.
More specifically, the cell is a lithium titanate battery cell.
Specifically, the positive electrode tab and/or the negative electrode tab of the battery cell and the metal connecting strip are connected by laser welding.
The utility model discloses the third purpose aims at providing a battery, adopts a plurality of battery modules, and the equipment is convenient. The third purpose of the utility model is realized through the following technical scheme:
a battery comprises a box body, an upper cover and a battery component; the battery assembly comprises a plurality of battery modules of a second purpose which are connected in series; the box body is provided with an accommodating cavity for accommodating the battery assembly; the upper cover is arranged above the box body and fixedly connected with the box body, two electrode connecting columns are fixedly arranged on the upper cover and are respectively connected with the anode and the cathode of the battery pack, and the two electrode connecting columns serve as physical connectors for external power supply connection of the battery.
Further, a plurality of battery module of battery pack sets up in order, and two adjacent battery modules are reverse setting from top to bottom.
Further, the series connection of the plurality of battery modules is connected in series by a series connection bank.
Further, the battery pack further comprises an electrode connecting bar correspondingly connected with the anode and the cathode of the battery pack, and the electrode connecting bar is correspondingly connected with the electrode connecting column.
Furthermore, the upper cover also comprises an upper cover base, an upper cover plate and two pole connecting sheets; the upper cover plate is arranged above the upper cover base, and the pole connecting sheet is arranged between the upper cover plate and the upper cover base; the electrode connecting row with the corresponding connection of electrode spliced pole is for passing through utmost point post connection piece is connected, and concrete connected mode is: the two electrode connecting columns penetrate through the upper cover plate and then are correspondingly connected with the two pole connecting sheets, and the two pole connecting sheets are correspondingly connected with the two electrode connecting rows.
The series connection row, the electrode connection row, the pole connecting sheet and the electrode connecting column are all made of metal conductive materials.
Further, the battery assembly further comprises end insulating plates arranged at the upper end and the lower end of the battery assembly and used for isolating the electrode connecting row from the series connecting row.
Furthermore, the battery assembly also comprises two insulation panels and a plurality of insulation sheets; an insulating panel, each battery module, another insulating panel set up in order, the insulating piece set up in between insulating panel and the battery module and between each battery module.
Preferably, the battery is further provided with a temperature detection device and/or a voltage detection device. The temperature and/or voltage of the battery can be monitored in real time.
The utility model has the advantages of: the battery frame component of the utility model has symmetrical upper and lower structures, so the upright structure and the inverted structure are the same, which is beneficial to the assembly of a plurality of battery modules; the positive and negative electrodes of the battery cell are respectively arranged at two ends (top end and bottom end) of the battery frame assembly, so that the positive and negative electrodes of the battery cell are effectively isolated, the short circuit of the positive and negative electrodes of the battery cell is avoided, and the battery module is safe and reliable; the number of the battery modules required by the battery can be flexibly set according to the use requirement, and the capacity of the battery is controlled; when the battery core is a lithium titanate battery core, the lithium titanate battery core can adapt to the environment of-40-60 ℃ and has high charging speed.
Description of the drawings
Fig. 1 is a schematic structural view of a battery frame assembly provided by the present invention;
fig. 2 is a schematic structural diagram of a battery module provided by the present invention;
fig. 3 is an assembly view of a battery provided by the present invention;
fig. 4 is an exploded view of the battery provided by the present invention;
fig. 5 is an assembly view of a battery pack in the battery provided by the present invention;
fig. 6 is a schematic structural diagram of a battery assembly in the battery provided by the present invention (excluding an insulation sheet and an insulation panel);
fig. 7 is an assembly view of the battery module and the upper cover (excluding the upper cover plate) in the battery provided by the present invention.
(specific embodiments) in all cases
In order to understand the technical solution of the present invention more clearly, the following embodiments are combined to further explain the present invention, and the embodiments are only limited to conveniently explain the contents of the solution of the present invention, and the protection contents of the present invention are not limited to the contents disclosed by the embodiments.
As shown in fig. 1, a battery frame assembly 110 is used for mounting a battery cell, the battery frame assembly 110 includes a frame casing 112, an accommodating space for accommodating the battery cell is provided in the frame casing 112, a metal connecting strip 111 is respectively fixedly provided at the top and the bottom of the frame casing 112, and the metal connecting strip 111 is used for connecting tabs of the battery cell; the plurality of battery frame assemblies 110 can be used in a matching manner when being placed upright or inverted, so that the battery frame assemblies are convenient to install and remove, are tightly connected, and are suitable for battery structures with different capacity requirements; preferably, the battery frame assembly 110 is a vertically symmetrical structure, and the upright structure is the same as the inverted structure; of course, the structure may be a non-symmetrical structure, as long as it can satisfy the requirement that the metal connecting strips 111 of each battery frame assembly 110 are convenient to connect when the battery frame assemblies 110 are placed upright or inverted; the inversion of the utility model is a structure of up-down inversion; more preferably, the battery frame assembly 110 may also have a left-right symmetrical structure; preferably, the frame housing 112 is a rectangular structure. The utility model discloses a battery frame subassembly 110 will be used for connecting the connection structure (metal connecting strip 111) of electric core utmost point ear and separate the setting from top to bottom, can effectually prevent the short circuit of the positive negative pole of electric core.
The top and the bottom of the frame casing 112 are respectively provided with a fixing mechanism for fixing the metal connecting strip 111, the fixing mechanism in this embodiment is a pair of fixing members 113 arranged oppositely, and the metal connecting strip 111 is clamped between the pair of fixing members 113; the fixing member 113 and the frame casing 112 of this embodiment are integrally formed. Preferably, in order to prevent the positive electrode and the negative electrode from being unidentified, positive and negative electrode marks (not shown) are further disposed on the battery frame assembly 110.
As shown in fig. 2, a battery module 100 based on the above battery frame assembly 110 includes the battery frame assembly 110 and at least one battery cell 120, wherein a positive electrode tab of each battery cell 120 is connected to one metal connecting strip 111 (for example, the top metal connecting strip 111) by laser welding, and a negative electrode tab of each battery cell 120 is connected to another metal connecting strip 111 (for example, the bottom metal connecting strip 111) by laser welding, that is, when a plurality of battery cells 120 are used, the plurality of battery cells 120 are in parallel. In this embodiment, a battery module 100 includes two battery cells 120 connected in parallel, positive electrode tabs of the two battery cells 120 connected in parallel are respectively connected to two sides of one metal connecting bar 111 of the battery frame assembly 110, and negative electrode tabs are respectively connected to two sides of the other metal connecting bar 111 of the battery frame assembly 110.
The utility model discloses a metal connecting strip 111 of battery frame subassembly 110 sets up respectively at the both ends of frame shell 112 to on the positive negative pole of electricity core 120 welds respectively the metal connecting strip 111 different with battery frame subassembly 110, for setting up the positive negative pole of electricity core 120 in same one side, can effectually avoid the positive negative pole short circuit of electricity core 120, safe and reliable.
As shown in fig. 3 to 7, a battery using the battery module 100 includes a case 20, an upper cover 30, and a battery assembly 10; the case 20 is provided with an accommodating chamber for accommodating the battery assembly 10; the upper cover 30 is arranged above the box body 20 and fixedly connected with the box body 20, two electrode connecting columns 31 are fixedly arranged on the upper cover 30, and the two electrode connecting columns 31 are used as physical connectors for externally supplying power and connecting the batteries.
As shown in fig. 4, the upper cover 30 includes an upper cover base 32, an upper cover plate 33, two electrode connecting columns 31 and a pole connecting sheet 34 correspondingly connected to the electrode connecting columns 31; the upper cover base 32 is fixedly connected with the box body 20, referring to fig. 7, the upper cover base 32 is provided with a buckling mechanism, and the corresponding box body 20 is provided with a buckling matching mechanism. The upper cover base 32 is also provided with a mounting groove for mounting the pole connecting sheet 34; the pole connecting piece 34 is arranged in the mounting groove, and the pole connecting piece 34 is positioned between the upper cover base 32 and the upper cover plate 33; the upper cover plate 33 is arranged above the upper cover base 32, and the two electrode connecting columns 31 penetrate through the upper cover plate 33 and then are correspondingly connected with the pole connecting sheets 34; the upper cover plate 33 is fixedly connected to the box 20, and in this embodiment, is screwed.
The battery assembly 10 includes a plurality of battery modules 100 connected in series and two insulating panels 150, one insulating panel 150, each battery module 100, and the other insulating panel 150 are sequentially disposed, and two adjacent battery modules 100 are disposed in an up-down reverse manner (that is, two adjacent battery modules 100 are disposed in an upright manner and in an inverted manner). The series connection of the battery modules 100 is realized by connecting the battery modules through the series connection row 130, and the series connection row 130 is welded on the metal connecting strips 111 of the corresponding battery modules 100 by laser welding; the positive pole of the battery assembly 10 is connected to one pole connecting piece 34 through one electrode connecting row, and the negative pole is connected to the other pole connecting piece 34 through the other electrode connecting row; the positive negative pole of battery pack 10 mean the positive negative pole of the external power supply after a plurality of battery module 100 establishes ties, do not have the metal connecting strip 111 of being connected with series connection row 130 in two battery modules 100 at both ends respectively, in this embodiment electrode connecting row and the connection of utmost point post connection piece 34, electrode connecting row and metal connecting strip 111 all adopt laser welding.
The battery assembly 10 further includes a plurality of insulation sheets 140, the insulation sheets 140 being disposed between the battery modules 100; the insulating sheet 140 of the present embodiment is a PC insulating sheet, and the insulating sheets 140 are respectively disposed between the insulating panel 150 of the battery assembly 10 and the battery modules 100, and between the adjacent battery modules 100.
The battery assembly 10 further includes two end insulating plates 160 for insulating the series connection bars 130 from the electrode connection bars and insulating the metal connection bars 111 connected thereto from the electrode connection bars, preventing short circuits, and the two end insulating plates 160. The end insulating plate 160 is fixedly coupled to the metal connection bar 111 of the battery module 100, and is screwed.
The number of the battery modules 100 required for the battery can be flexibly set according to the use requirement (different capacity requirements of the battery). In the embodiment, as shown in fig. 4 to 7, three battery modules 100 are adopted, the placing directions (upright or inverted) of two adjacent battery modules 100 are opposite, and the number of the insulation sheets 140 is 4, and the insulation sheets are respectively disposed between the three battery modules 100 and between the battery modules 100 and the insulation panel 150.
The positive electrode of the battery assembly 10 is connected to one pole connecting piece 34 through one electrode connecting row (i.e. the positive electrode connecting row 171 in fig. 4 and 6), the negative electrode of the battery assembly 10 is connected to the other pole connecting piece 34 through the other electrode connecting row (i.e. the negative electrode connecting row 172 in fig. 4 and 6), the two pole connecting pieces 34 are respectively connected to one electrode connecting column 31, and the two electrode connecting columns 31 are used as physical connectors for supplying power to the outside by the battery; on the upper cover plate 33, the corresponding electrode connecting column 31 is marked with polarity, so that the polarity can be distinguished conveniently. As described above, the positive electrode and the negative electrode of the battery assembly 10 refer to the positive electrode and the negative electrode of the battery modules 100 connected in series and supplying power to the outside, and are the metal connecting strips 111 which are not connected with the series connection row 130 in the two battery modules 100 at the two ends respectively.
Preferably, the battery is further provided with a temperature detection device and/or a voltage detection device for monitoring the temperature and/or the voltage of the battery.
It should be noted that the battery cell 120 may be a battery cell of a traditional battery such as lead acid, nickel chromium, nickel hydrogen, or a battery cell of a lithium ion battery, and when a battery cell of a lithium ion battery is used, lithium iron phosphate or lithium titanate may be used; the preferred cell 120 is a lithium titanate battery cell; when the lithium titanate battery cell is adopted, the environment of-40-60 ℃ can be adapted, the charging speed is high, an additional heating system is not needed, the space and the weight of the AGV are saved, and the AGV is energy-saving and environment-friendly.
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, improvement and the like without creativity within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Furthermore, the terms "upper", "lower", "left", "right", "vertical", "parallel", "top", "bottom", and the like which may be referred to in the description of the present invention are intended to provide a clearer illustration of the relative position of the structure of the invention in connection with the drawings, and should not be construed as limiting the particular orientation, direction of the invention during the manufacturing, use, and sale processes.
Claims (14)
1. The utility model provides a battery frame subassembly for install electric core, its characterized in that, battery frame subassembly includes the frame casing, be provided with in the frame casing and hold the accommodation space of electric core, the top and the bottom of frame casing are fixed respectively and are provided with a metal connecting strip, the metal connecting strip is used for connecting the utmost point ear of electric core.
2. The battery frame assembly of claim 1, wherein the battery frame assembly is a top-to-bottom symmetrical structure.
3. The battery frame assembly of claim 1 or 2, wherein the top and bottom of the frame housing are provided with a fixing mechanism for fixing the metal connecting strip, respectively.
4. A battery module comprising the battery frame assembly of any of claims 1-3, at least one cell; and the positive pole lug of each battery cell is connected to one metal connecting strip, and the negative pole lug is connected to the other metal connecting strip.
5. The battery module of claim 4, wherein the cells are lithium titanate battery cells.
6. The battery module according to claim 4 or 5, wherein the positive electrode tab and/or the negative electrode tab of the battery core is connected with the metal connecting strip by laser welding.
7. A battery comprises a box body, an upper cover and a battery component; the battery pack is characterized by comprising a plurality of battery modules according to any one of claims 4 to 6, which are connected in series; the box body is provided with an accommodating cavity for accommodating the battery assembly; the upper cover is arranged above the box body and fixedly connected with the box body, two electrode connecting columns are fixedly arranged on the upper cover and are respectively connected with the anode and the cathode of the battery pack, and the two electrode connecting columns serve as physical connectors for external power supply connection of the battery.
8. The battery according to claim 7, wherein the plurality of battery modules of the battery assembly are sequentially arranged, and two adjacent battery modules are arranged in an up-down direction.
9. The battery according to claim 8, wherein the series connection of several battery modules is connected in series by a series connection bank.
10. The battery of claim 9, wherein the battery assembly further comprises electrode connection banks connected to the positive and negative electrodes thereof, the electrode connection banks being connected to the electrode connection posts.
11. The battery of claim 10, wherein the upper cover further comprises an upper cover base, an upper cover plate, two pole tabs; the upper cover plate is arranged above the upper cover base, and the pole connecting sheet is arranged between the upper cover plate and the upper cover base; the electrode connecting row with the corresponding connection of electrode spliced pole is for passing through utmost point post connection piece is connected, and concrete connected mode is: the two electrode connecting columns penetrate through the upper cover plate and then are correspondingly connected with the two pole connecting sheets, and the two pole connecting sheets are correspondingly connected with the two electrode connecting rows.
12. The battery according to claim 10 or 11, wherein the battery assembly further comprises end insulating plates provided at upper and lower ends of the battery assembly for isolating the electrode connection bank from the series connection bank.
13. The battery according to any one of claims 7 to 11, wherein the battery assembly further comprises two insulating panels and a plurality of insulating sheets; an insulating panel, each battery module, another insulating panel arrange in order and set up, the insulating piece set up in between insulating panel and the battery module and between each battery module.
14. The battery according to any one of claims 7 to 11, wherein the battery is further provided with a temperature detection device and/or a voltage detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921061656.9U CN210325896U (en) | 2019-07-08 | 2019-07-08 | Battery frame component, battery module and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921061656.9U CN210325896U (en) | 2019-07-08 | 2019-07-08 | Battery frame component, battery module and battery |
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| Publication Number | Publication Date |
|---|---|
| CN210325896U true CN210325896U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921061656.9U Active CN210325896U (en) | 2019-07-08 | 2019-07-08 | Battery frame component, battery module and battery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112490559A (en) * | 2020-12-17 | 2021-03-12 | 江苏塔菲尔动力***有限公司 | Battery module based on battery is set up to electrode opposite terminal |
| JP7364101B1 (en) * | 2023-01-19 | 2023-10-18 | Tdk株式会社 | Storage battery partition sheet and storage battery system |
-
2019
- 2019-07-08 CN CN201921061656.9U patent/CN210325896U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112490559A (en) * | 2020-12-17 | 2021-03-12 | 江苏塔菲尔动力***有限公司 | Battery module based on battery is set up to electrode opposite terminal |
| JP7364101B1 (en) * | 2023-01-19 | 2023-10-18 | Tdk株式会社 | Storage battery partition sheet and storage battery system |
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