CN210778792U - Battery pack wire harness isolation plate and battery module thereof - Google Patents
Battery pack wire harness isolation plate and battery module thereof Download PDFInfo
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- CN210778792U CN210778792U CN201922277351.8U CN201922277351U CN210778792U CN 210778792 U CN210778792 U CN 210778792U CN 201922277351 U CN201922277351 U CN 201922277351U CN 210778792 U CN210778792 U CN 210778792U
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- battery pack
- battery
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- fixing
- isolation plate
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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 pack wiring harness isolation plate, which comprises an isolation plate, a conducting strip and a wire outlet connector, wherein the isolation plate is provided with a channel for allowing an electronic wiring harness to pass through, and the conducting strip is used for connecting an electric core and an electric core; the isolating plate is provided with a wire outlet connector fixing buckle, and the wire outlet connector is mutually fixed with the isolating plate through the wire outlet connector fixing buckle. Be different from prior art, the utility model discloses a be provided with the fixed buckle of play line connector on the division board, the play line connector pass through the fixed buckle of play line connector with division board reciprocal anchorage. At the moment, the isolation plate has the fixing function of the wire outlet connector, the reliability of fixing the wire harness is improved, the wire outlet length is shortened, wires are saved, and the wire harness is not required to be fixed by other structural parts.
Description
Technical Field
The utility model relates to an energy storage device production technical field, in particular to group battery pencil division board and battery module thereof.
Background
Among the prior art, the power battery module adopts pencil division board to keep apart electric core and low pressure sampling pencil more, plays the effect of keeping apart to sampling line and electric core. With the improvement of the energy density and cost requirements of the power battery, the wire harness isolation plate is used as an important safety structural part, and has optimized requirements on the weight and cost of the power battery under the condition of ensuring the functionality of the power battery; meanwhile, after the wire harness is led out from the wire harness isolation plate, the fixing reliability of the wire harness needs to be ensured due to the fact that the wire harness isolation plate relates to electrical safety.
At present, the main schemes of the wire harness isolation plate under the condition are as follows: 1. a harness isolation plate attached to the battery pack side plate for fixing; 2. and throwing out the wire harness isolation plate of the outgoing wire of the external connector.
In realizing the utility model discloses an in-process, there are following problems among the discovery prior art:
the traditional wire harness isolation plate has the defects of large volume and heavy weight, and is not beneficial to the improvement of energy density and the control of cost; the fixing is realized by fixing the side plate of the battery pack through a bayonet of the side plate, so that the side plate has functional requirements and is not beneficial to controlling the weight and the cost of the side plate; meanwhile, the traditional wire harness isolation plate mostly adopts the mode of lengthening the wire harness to throw the connector out of the external device to the wire outlet mode of the sampling wire harness, the external connector needs to be fixed and attached to other structural members in the battery pack, and the functionality of the wire harness isolation plate is greatly reduced.
SUMMERY OF THE UTILITY MODEL
Therefore, the battery pack wire harness isolation plate and the battery module thereof need to be provided for solving the technical problem that the traditional wire harness isolation plate mostly adopts the mode of lengthening the wire harness length to throw the connector out of the external mode to the wire outgoing mode of the sampling wire harness.
In order to achieve the above object, the utility model provides a group battery pencil division board, include:
the isolation plate is provided with a channel for allowing the electronic wire harness to pass through;
the conducting strip is used for connecting the battery cell and the battery cell;
the isolating plate is provided with a wire outlet connector fixing buckle, and the wire outlet connector is mutually fixed with the isolating plate through the wire outlet connector fixing buckle.
As the utility model discloses a preferred structure, be provided with first fixed part and first spacing portion on the division board, be provided with the spacing portion of second fixed part and second on the conducting strip, first fixed part with the second fixed part cooperatees and is used for the restriction the ascending displacement of conducting strip in vertical side, first spacing portion with the spacing portion of second cooperatees and is used for restricting the displacement of conducting strip on the horizontal direction.
As the utility model discloses a preferred structure, first fixed part is buckle structure, the second fixed part is the protrusion structure, buckle structure with the protrusion structure is mutually supported.
As a preferred structure of the utility model, first spacing portion is for holding the spacing recess that the second fixed part passes through, the spacing position of second is in the end of second fixed part, spacing recess with the spacing portion of second mutually supports.
As the utility model discloses a preferred structure, the spacing portion of second is spacing draw-in groove, the both ends of second fixed part are provided with one respectively spacing draw-in groove.
As the utility model discloses a preferred structure, be provided with the explosion-proof valve passageway of stepping down on the division board, be provided with the explosion-proof valve recess on the explosion-proof valve passageway of stepping down, the explosion-proof valve recess is used for keeping the inside and outside atmospheric pressure of explosion-proof valve passageway of stepping down is unanimous.
As a preferred structure of the utility model, be provided with the division board fixed part on the division board, be provided with the fixed orifices that holds the bolt and pass through on the division board fixed part.
As a preferred structure of the present invention, the bolt passes the fixing hole will the isolation plate is fixed on the end plate of the battery module.
As the utility model discloses a preferred structure, the conducting strip is provided with the welding recess, the welding recess is used for welding with the electric core utmost point post of battery module.
Be different from prior art, above-mentioned technical scheme passes through be provided with the fixed buckle of play line connector on the division board, the play line connector pass through the fixed buckle of play line connector with division board reciprocal anchorage. At the moment, the isolation plate has the fixing function of the wire outlet connector, the reliability of fixing the wire harness is improved, the wire outlet length is shortened, wires are saved, and the wire harness is not required to be fixed by other structural parts.
To achieve the above object, the utility model also provides a battery module, include
The battery comprises more than two battery cells, wherein the more than two battery cells are stacked to form a battery pack;
as above-mentioned utility model people arbitrary group battery pencil division board, group battery pencil division board sets up on the group battery.
Be different from prior art, above-mentioned technical scheme passes through be provided with the fixed buckle of play line connector on the division board, the play line connector pass through the fixed buckle of play line connector with division board reciprocal anchorage. At the moment, the isolation plate has the fixing function of the wire outlet connector, the reliability of fixing the wire harness is improved, the wire outlet length is shortened, wires are saved, and the wire harness is not required to be fixed by other structural parts.
Drawings
Fig. 1 is a schematic structural view of a battery module according to an embodiment;
fig. 2 is an exploded view of the battery module according to the embodiment;
FIG. 3 is a schematic structural diagram of a battery module according to an embodiment, except for a sampling harness;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is an enlarged view of FIG. 4 at E;
FIG. 6 is a left side view of FIG. 3;
FIG. 7 is an enlarged view of the structure of FIG. 6 at D;
FIG. 8 is a right side view of FIG. 3;
FIG. 9 is a cross-sectional view A-A of FIG. 4;
fig. 10 is an enlarged view of the structure at C in fig. 9;
FIG. 11 is a cross-sectional view taken along line B-B of FIG. 4;
FIG. 12 is a schematic structural view of a separator according to an embodiment;
FIG. 13 is a left and right side view of the separator plate according to the embodiment;
FIG. 14 is a schematic structural diagram of an outlet connector according to an embodiment;
FIG. 15 is a schematic structural view of a latch groove of the outlet connector according to an embodiment of the present invention; FIG. 16 is a schematic view of a conductive sheet according to an embodiment;
fig. 17 is a schematic structural diagram of a battery cell according to a specific embodiment.
Description of reference numerals:
1. a separator plate;
11. the outlet connector is fixed with a buckle;
12. a first fixed part;
13. the spacing bottom of the isolation plate;
14. a wire limiting structure;
15. an explosion-proof valve abdicating channel;
16. a partition plate fixing portion;
17. a first limiting part;
18. an explosion-proof valve recess;
19. an arched through hole;
2. a cell output electrode conducting strip;
3. conducting strips among the battery cores;
31. a second fixed part;
32. welding the groove;
33. a second limiting part;
4. an electric core;
41. a battery cell pole column;
42. a battery cell explosion-proof valve;
5. an end plate;
6. the system comprises a wire outlet connector and a sampling wire harness assembly;
61. a wire outlet connector;
611. a wire outlet connector buckling groove;
62. a sampling terminal;
63. a low voltage line;
7. and (4) bolts.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1 to 3, the present embodiment provides a battery module, which includes more than two battery cells 4 and a battery harness isolation board, where the more than two battery cells 4 are stacked to form a battery pack, and the battery harness isolation board is disposed on the battery pack. The battery pack wiring harness isolation plate is used for insulating various sampling electronic wiring harnesses. The battery cells 4 are arranged in a positive-negative manner to form a battery pack, and are fixed by glue, and in other embodiments, other fixing manners may be selected.
In the embodiment, the battery pack wire harness isolation plate comprises an isolation plate 1 and a conducting plate, wherein a channel for allowing an electronic wire harness to pass through is arranged on the isolation plate 1; the conducting strip is used for connecting between electric core 4 and electric core 4, and the conducting strip includes electric core output pole conducting strip 2 and conducting strip 3 between the electric core, and conducting strip 3 is used for connecting two adjacent electric cores 4 between the electric core, realizes establishing ties or parallelly connected of electric core 4, and electric core output pole conducting strip 2 sets up at the both ends that the group battery was arranged, forms two outputs of group battery.
Optionally, end plates 5 are further arranged at two ends of the battery pack, the end plates 5 provide insulation protection for the isolation plate 1, isolation plate fixing portions 16 are further arranged on the isolation plate 1, fixing holes for allowing the bolts 7 to pass through are formed in the isolation plate fixing portions 16, and the bolts 7 penetrate through the fixing holes to fix the isolation plate 1 on the end plates 5 of the battery pack. The problem of traditional pencil division board's fixed need depend on the group battery curb plate is solved.
As shown in fig. 4 to 11, the cell output electrode conductive sheet 2 and the inter-cell conductive sheet 3 are both provided with a second fixing portion 31 and a second limiting portion 33. The isolation plate 1 is provided with a first fixing portion 12 and a first limiting portion 17.
As shown in fig. 4 and 5, the second fixing portion 31 of the conductive plate is fixed to the isolation plate 1 by a snap structure. In other embodiments, the first fixing portion 12 and the second fixing portion 31 are not necessarily fixed by a snap-fit method, and may be fixed by other fixing methods.
As shown in fig. 6 and 7, the outlet connector 61 is fixed to the partition plate 1. The isolating plate 1 is provided with a wire outlet connector fixing buckle 11, and the wire outlet connector 61 is mutually fixed with the isolating plate 1 through the wire outlet connector fixing buckle 11.
As shown in fig. 8, an anti-explosion valve abdicating channel 15 is arranged on the isolation plate 1, an anti-explosion valve groove 18 is arranged on the anti-explosion valve abdicating channel 15, and the anti-explosion valve groove 18 is used for keeping the air pressure inside and outside the anti-explosion valve abdicating channel 15 consistent. Specifically, explosion-proof valve on the division board lets the passageway 15 protrudingly and present hollow structure, forms explosion-proof valve recess 18, structurally dodges for electric core explosion-proof valve 42, guarantees required space when it explodes, opens arch through-hole 19 at the afterbody of division board simultaneously, has guaranteed that the inside atmospheric pressure of explosion-proof valve recess 18 is unanimous with outside atmospheric pressure.
As shown in fig. 12 and 13, the isolating plate 1 is provided with a wire outlet connector fixing buckle 11, a first fixing portion 12, an isolating plate limiting bottom 13, a wire limiting structure 14, an explosion-proof valve abdicating channel 15, an isolating plate fixing portion 16, a first limiting portion 17 and an explosion-proof valve groove 18, wherein the wire outlet connector fixing buckle 11 is used for cooperating with the wire outlet connector buckle groove 611 to fix the wire outlet connector 61. The first fixing portion 12 is matched with the spacing bottom 13 of the isolation plate to limit the displacement of the conductive plate in the vertical direction (the direction indicated by the arrow z). The wire retaining structure 14 is used to secure the electronic wiring harness. The anti-explosion valve abdicating channel 15 is used for keeping the air pressure inside and outside the battery cell consistent. The separator fixing portion 16 is used to fix the separator 1 to the end plate 5. The first stopper 17 restricts displacement of the conductive sheet in the horizontal direction (the direction indicated by the arrow x or the arrow y).
Optionally, the first position-limiting portion 17 is a position-limiting groove for accommodating the second fixing portion 31, the second position-limiting portion 33 is located at the end of the second fixing portion 31, and the first position-limiting portion 17 and the second position-limiting portion 33 are matched to limit the displacement of the conductive sheet in the horizontal direction, which refers to the direction pointed by the arrow x and the arrow y in fig. 1 to 3. The first fixing portion 12 serves to limit displacement of the conductive sheet in a vertical direction, which is a direction pointed by an arrow z in fig. 1 to fig. 3.
At this time, the isolation plate 1 and the conducting strip are fixed to each other, and a fixing structure of the conducting strip is not required to be additionally added. Outside guaranteeing traditional pencil division board functional requirement, through reducing the pencil division board volume, make the 1/3 that traditional pencil division board volume was accomplished to pencil division board volume, effectual promotion battery package energy density saves pencil division board material simultaneously, realizes the control of cost. Solves the problems that the traditional wire harness isolation plate has the defects of large volume and heavy weight, is not beneficial to the improvement of energy density and the control of cost in the prior art,
optionally, as shown in fig. 14 and fig. 15, the battery pack harness isolation plate further includes a sampling harness assembly 6, the sampling harness assembly 6 includes an outgoing line connector 61, a sampling terminal 62 and a low voltage line 63, the isolation plate 1 is provided with an outgoing line connector fixing buckle 11, and the outgoing line connector 61 is fixed on the isolation plate 1 through the outgoing line connector fixing buckle 11 and an outgoing line connector buckle groove 611 in a mutually matched manner.
In this embodiment, the sampling terminal 62 is communicated with the conductive sheet, and is used to collect voltage information of the battery cell 4. The sampling terminal 62 is electrically connected to the outgoing line connector 61 through a low voltage line 63 for transmitting an electrical signal.
Specifically, division board 1 has increased the fixed buckle 11 structure of play line connector, and the play line connector cooperatees through the fixed buckle 11 of play line connector on from play line connector buckle groove 611 and the division board of taking 1, fixes play line connector 61 and sampling wire harness assembly 6 on division board 1, gathers voltage and temperature information on the conducting strip through sampling terminal 62, carries out information transmission through play line connector 61 and external control ware. The problem of traditional pencil division board go up that the fixed module that throws away of sampling line play line connector is external more, and depend on with other structures is solved.
As shown in fig. 16, the conductive sheet is a conductive aluminum sheet, and is specifically divided into a cell output electrode conductive sheet 2 and an inter-cell conductive sheet 3; the second fixing portion 31 and the second limiting portion 33 are disposed on the inter-cell conductive sheet 3; the first fixing part 12 is of a buckle structure, the second fixing part 31 is of a protruding structure, the first fixing part 12 and the second fixing part 31 are matched to limit displacement of the conducting strip in the vertical direction, and the buckle structure is adopted to facilitate nondestructive dismounting. Specifically, the cell output electrode conducting strip 2 and the inter-cell conducting strip 3 are buckled in a buckle of the first fixing portion 12, fixed with the isolation plate 1, and then fixed with the cell pole 41 through a welding process.
Optionally, the second limiting portion 33 is a limiting slot, and two ends of the second fixing portion 31 are respectively provided with one limiting slot.
In this embodiment, the conductive sheet is provided with a welding groove 32, and the welding groove 32 is used for welding with the battery core pole 41 of the battery module.
As shown in fig. 17, the battery cell 4 includes a cell post 41 and a cell explosion-proof valve 42, and the conductive sheet is fitted with the welding groove 32 through the cell post 41, so as to be fixed on the cell post 41.
In the use, conducting strip 3 card is gone into in the buckle of the first fixed part 12 of division board 1 between electric core output pole conducting strip 2 and the electric core, the second fixed part 31 of conducting strip 3 cooperatees with the first fixed part 12 of division board 1 between the electric core, on the one hand, the cooperation of the spacing bottom 13 of second fixed part 31 and division board, restriction conducting strip and division board 1 are at the ascending displacement of z direction, on the other hand, the spacing portion of second 33 of conducting strip 3 cooperates between the first spacing portion 17 of division board 1 and the electric core, restriction electric conduction piece and division board 1 are at the ascending displacement of x and y direction, make the electric conduction piece fix on division board 1, the welding groove 32 of conducting strip 3 is fixed with electric core utmost point post 41 through welding process between the electric core simultaneously, thereby make division board 1 fix on electric core 4.
Different from the prior art, above-mentioned technical scheme passes through be provided with first fixed part 12 and first spacing portion 17 on the division board 1, be provided with second fixed part 31 and the spacing portion 33 of second on the conducting strip, first fixed part 12 with the cooperation of second fixed part 31 is used for restricting the displacement of conducting strip in vertical direction, first spacing portion 17 with the cooperation of the spacing portion 33 of second is used for restricting the displacement of conducting strip in the horizontal direction. At the moment, the mode that the isolation plate and the conducting plate are mutually fixed is adopted, and a fixing structure of the conducting plate is not required to be additionally added. Outside guaranteeing traditional pencil division board functional requirement, through reducing the pencil division board volume, make the 1/3 that traditional pencil division board volume was accomplished to pencil division board volume, effectual promotion battery package energy density saves pencil division board material simultaneously, realizes the control of cost.
It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the scope of the present invention.
Claims (10)
1. A battery pack harness separator plate, comprising:
the isolation plate is provided with a channel for allowing the electronic wire harness to pass through;
the conducting strip is used for connecting the battery cell and the battery cell; the isolating plate is provided with a wire outlet connector fixing buckle, and the wire outlet connector is mutually fixed with the isolating plate through the wire outlet connector fixing buckle.
2. The battery pack harness separator according to claim 1, wherein: the isolating plate is provided with a first fixing part and a first limiting part, the conducting sheet is provided with a second fixing part and a second limiting part, the first fixing part is matched with the second fixing part to limit the displacement of the conducting sheet in the vertical direction, and the first limiting part is matched with the second limiting part to limit the displacement of the conducting sheet in the horizontal direction.
3. The battery pack harness separator according to claim 2, wherein: the first fixing part is of a buckle structure, the second fixing part is of a protruding structure, and the buckle structure and the protruding structure are matched with each other.
4. The battery pack harness separator plate of claim 3, wherein: the first limiting part is a limiting groove for accommodating the second fixing part to pass through, the second limiting part is positioned at the tail end of the second fixing part, and the limiting groove is matched with the second limiting part.
5. The battery pack harness separator plate of claim 4, wherein: the second limiting part is a limiting clamping groove, and two ends of the second fixing part are respectively provided with one limiting clamping groove.
6. The battery pack harness separator according to claim 1, wherein: the explosion-proof valve abdicating device is characterized in that an explosion-proof valve abdicating channel is arranged on the isolation plate, an explosion-proof valve groove is arranged on the explosion-proof valve abdicating channel, and the explosion-proof valve groove is used for keeping the air pressure inside and outside the explosion-proof valve abdicating channel consistent.
7. The battery pack harness separator according to claim 1, wherein: the isolating plate is provided with an isolating plate fixing part, and the isolating plate fixing part is provided with a fixing hole for allowing a bolt to pass through.
8. The battery pack harness separator plate of claim 7, wherein: and the bolt penetrates through the fixing hole to fix the isolation plate on an end plate of the battery module.
9. The battery pack harness separator according to claim 1, wherein: the conducting strip is provided with a welding groove, and the welding groove is used for being welded with a battery core pole of the battery module.
10. A battery module, its characterized in that: comprises that
The battery comprises more than two battery cells, wherein the more than two battery cells are stacked to form a battery pack;
the battery pack harness spacer of any of claims 1-9, the battery pack harness spacer being disposed on the battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922277351.8U CN210778792U (en) | 2019-12-18 | 2019-12-18 | Battery pack wire harness isolation plate and battery module thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922277351.8U CN210778792U (en) | 2019-12-18 | 2019-12-18 | Battery pack wire harness isolation plate and battery module thereof |
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| Publication Number | Publication Date |
|---|---|
| CN210778792U true CN210778792U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922277351.8U Active CN210778792U (en) | 2019-12-18 | 2019-12-18 | Battery pack wire harness isolation plate and battery module thereof |
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| Country | Link |
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| CN (1) | CN210778792U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112886112A (en) * | 2021-01-18 | 2021-06-01 | 浙江南都电源动力股份有限公司 | Battery pack of electric automobile |
-
2019
- 2019-12-18 CN CN201922277351.8U patent/CN210778792U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112886112A (en) * | 2021-01-18 | 2021-06-01 | 浙江南都电源动力股份有限公司 | Battery pack of electric automobile |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 351100 no.729 Lihan Avenue, Shixi village, Jiangkou Town, Hanjiang District, Putian City, Fujian Province Patentee after: Yundu New Energy Vehicle Co.,Ltd. Address before: 351100 no.729 Lihan Avenue, Shixi village, Jiangkou Town, Hanjiang District, Putian City, Fujian Province Patentee before: Yundu New Energy Automobile Co.,Ltd. Address after: 351100 no.729 Lihan Avenue, Shixi village, Jiangkou Town, Hanjiang District, Putian City, Fujian Province Patentee after: Yundu New Energy Automobile Co.,Ltd. Address before: 351100 no.729 Lihan Avenue, Shixi village, Jiangkou Town, Hanjiang District, Putian City, Fujian Province Patentee before: FJ MOTOR GROUP, YUDO NEW-ENERGY AUTOMOBILE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |