CN203617377U - Battery component - Google Patents
Battery component Download PDFInfo
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- CN203617377U CN203617377U CN201320708508.8U CN201320708508U CN203617377U CN 203617377 U CN203617377 U CN 203617377U CN 201320708508 U CN201320708508 U CN 201320708508U CN 203617377 U CN203617377 U CN 203617377U
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- Prior art keywords
- connector
- battery
- cell body
- voltage acquisition
- battery component
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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 discloses a battery component. The battery component comprises a battery pack, a plurality of first connecting pieces, a plurality of second connecting pieces, a plurality of voltage acquisition pieces and a battery module control unit, wherein the battery pack comprises a plurality of battery bodies arranged side by side and connected in series; each first connecting piece is connected with corresponding electrodes of any two adjacent battery bodies in the battery pack respectively; one second connecting piece is connected with the residual electrode of the battery body on the leftmost side of the battery pack, and the other second connecting piece is connected with the residual electrode of the battery body located on the rightmost side of the battery pack; one voltage acquisition piece is connected onto each of the first connecting pieces and the second connecting pieces; and the battery module control unit is connected with the voltage acquisition pieces to detect voltage of any one or a plurality of adjacent battery bodies in the battery pack. According to the battery component provided by the embodiment of the utility model, the voltage acquisition accuracy and acquisition efficiency are high, the structure is simple, and the manufacturing cost is low.
Description
Technical field
The utility model relates to vehicular field, in particular to a kind of battery component.
Background technology
In correlation technique, the collection of the cell voltage in battery component completes by connecting the electrode of battery and the flexible conductor of battery module control unit, and battery module control unit and battery component divide and be arranged.In the time that the battery in battery component increases, therefore flexible conductor quantity increase thereupon, and voltage acquisition structure like this, makes to gather wire harness tediously long numerous and diverse, affects acquisition precision and the efficiency of voltage acquisition.In addition, adopt copper bar and bolt to be fixed connection between multiple batteries, use for a long time, bolt there will be loosening, increase the internal resistance of cell, and junction easily generates heat.
Utility model content
The utility model is intended to one of solve the problems of the technologies described above at least to a certain extent.For this reason, an object of the present utility model is to propose that a kind of voltage acquisition precision is high, voltage acquisition efficiency is high, the battery component of simple in structure and low cost of manufacture.
To achieve these goals, according to the utility model proposes a kind of battery component.Described battery component comprises battery pack, and described battery pack comprises the multiple cell bodies and the multiple described cell body series connection that are arranged side by side; Multiple the first connectors, each described the first connector is connected with the corresponding electrode of two cell bodies of arbitrary neighborhood in described battery pack respectively; Two the second connectors, described second connector is connected with a remaining electrode of the cell body that is positioned at the described battery pack leftmost side, and described in another, the second connector is connected with a remaining electrode of the cell body that is positioned at the described battery pack rightmost side; Multiple voltage acquisition parts, are wherein all connected with a voltage acquisition part on each described the first connector and each described the second connector; And battery module control unit, described battery module control unit and described voltage acquisition part are connected to detect in described battery pack the voltage of any one or adjacent multiple cell bodies.
According to battery component of the present utility model, the positive pole of each described cell body and negative pole are positioned at the same side of described cell body, multiple described cell bodies that are arranged side by side are by second connector being connected with an electrode of described cell body that is positioned at the leftmost side, connect multiple described second connector of arbitrary neighborhood two described cell bodies be connected with an electrode of described cell body that is positioned at the rightmost side another described in the second connector multiple described cell bodies are together in series, and by the described voltage acquisition part that one end is connected with corresponding connector and the other end is connected with described battery module control unit is set, by integrated to described battery module control unit and battery pack, and substitute flexible conductor in correlation technique and gather in battery pack the voltage of any one or adjacent multiple described cell bodies with described voltage acquisition part, acquisition precision and the collecting efficiency of voltage acquisition are improved, and simple in structure, low cost of manufacture.
In addition, can also there is following additional technical characterictic according to the above-mentioned battery component of the utility model:
The electrode of each described cell body is all positioned at the upper end of described cell body, described battery module control unit be positioned at multiple described cell bodies electrode top and with the spaced apart preset distance in upper end of multiple described cell bodies.
Described the first connector comprises: positive strap, and described positive strap is copper sheet; Negative pole brace, described negative pole brace is aluminium flake, described negative pole brace is connected with described positive strap.Can make so described the first connector mate better with described cell body, to promote the electric conductivity of described the first connector.
The voltage acquisition part being positioned on described the first connector is connected with the negative pole brace of corresponding the first connector.
Described negative pole brace is connected with described positive strap ultrasonic bonding.Like this, be not only welded to connect reliably, and greatly reduced the contact resistance of described positive strap and described negative pole brace, make the electric conductivity of described the first connector better.
Described battery module control unit comprises control board, and described control board is provided with and multiple described voltage acquisition parts multiple through holes one to one, and one end of described voltage acquisition part is weldingly fixed in described through hole.Make so described voltage acquisition part more stable with being connected of described battery module control unit, when described battery component vibration, described voltage acquisition part is difficult for departing from described control board, has ensured the stability of electrical connection.
Described the first connector and the equal laser welding of described the second connector are fixed on the corresponding electrode of multiple described cell bodies.
On the outer surface of described the first connector and described the second connector, be equipped with tin coating, thereby be conducive to described the first connector and the welding of electrode accordingly, and be conducive to described the second connector and the welding of electrode accordingly.
Each described cell body includes multiple being arranged side by side and sub-cell body in parallel, to meet the different demands of different power consumption equipments to power consumption.
On described the first connector and described the second connector, be all formed with accommodation hole, at least a portion of the corresponding electrode of each described sub-cell body is contained in corresponding described accommodation hole and fixes with described accommodation hole laser welding.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 is according to the structural representation of the battery component of the utility model embodiment;
Fig. 2 is according to the explosive view of the battery component of the utility model embodiment;
Fig. 3 is the partial structurtes schematic diagram according to the battery component of the utility model embodiment, not shown battery module control unit;
Fig. 4 is according to the structural representation of the sub-cell body of the battery component of the utility model embodiment;
Fig. 5 is according to the structural representation of the first connector of the battery component of the utility model embodiment and voltage acquisition part;
Fig. 6 is according to the structural representation of the second connector of the battery component of the utility model embodiment and voltage acquisition part;
Fig. 7 is according to the structural representation of the control board of the battery component of the utility model embodiment.
Accompanying drawing explanation:
Embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of indications such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but by the other feature contact between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic under Second Characteristic and tiltedly, or only represent that First Characteristic level height is less than Second Characteristic.
Describe according to the battery component 100 of the utility model embodiment below with reference to Fig. 1-Fig. 7.Battery component 100 can provide electric energy for power consumption equipment.As shown in Fig. 1-Fig. 7, comprise battery pack 10, multiple the first connector 20, two the second connectors 30, multiple voltage acquisition part 40 and battery module control units according to the battery component 100 of the utility model embodiment.
As shown in Figure 1-Figure 3, if the left end of the first connector 20 is connected on the positive pole of a cell body 11 in two cell bodies 11 of arbitrary neighborhood, the right-hand member of the first connector 20 is connected on the negative pole of another cell body 11 in two cell bodies 11 of arbitrary neighborhood, second connector 30 can be connected with the positive pole of the cell body 11 of battery pack 10 leftmost sides, and another second connector 30 can be connected with the negative pole of the cell body 11 of battery pack 10 rightmost sides.
On each the first connector 20 and each the second connector 30, be all connected with a voltage acquisition part 40.That is to say, the quantity of voltage acquisition part 40 equals the quantity of the first connector 20 and the quantity sum of the second connector 30.Battery module control unit is connected to detect in battery pack 10 voltage of any one or adjacent multiple cell bodies 11 with voltage acquisition part 40.That is to say, the voltage of the cell body 11 of any one can collect battery module control unit by two voltage acquisition parts 40 that are connected to same cell body 11 two ends.The voltage of adjacent multiple cell bodies 11 can be by being positioned at the leftmost side of adjacent multiple cell bodies 11 and two voltage acquisition parts 40 of the rightmost side collect battery module control unit.
According to the battery component 100 of the utility model embodiment, the positive pole of each cell body 11 and negative pole are positioned at the same side of cell body 11, multiple cell bodies that are arranged side by side 11 are by second connector 30 being connected with an electrode 111 of cell body 11 that is positioned at the leftmost side, connecting multiple second connectors 30 of arbitrary neighborhood two cell bodies 11 is together in series multiple cell bodies 11 with another second connector 30 being connected with an electrode 111 of cell body 11 that is positioned at the rightmost side, and by the voltage acquisition part 40 that one end is connected with corresponding connector and the other end is connected with battery module control unit is set, by integrated to battery module control unit and battery pack 10, and substitute flexible conductor in correlation technique and gather in battery pack 10 voltage of any one or adjacent multiple cell bodies 11 with voltage acquisition part 40, acquisition precision and the collecting efficiency of voltage acquisition are improved, and simple in structure, low cost of manufacture.
Advantageously, the first connector 20 can be integrally formed with the voltage acquisition part 40 being connected on the first connector 20.The second connector 30 and the voltage acquisition part 40 being connected on the second connector 30 can be integrally formed.Like this, can further reduce the manufacturing cost of battery component 100.
Alternatively, the first connector 20 and the second connector 30 all laser welding be fixed on the corresponding electrode 111 of multiple cell bodies 11.
Advantageously, the outer surface of the first connector 20 can be provided with tin coating, thereby is conducive to the first connector 20 and the welding of electrode 111 accordingly.On the outer surface of the second connector 30, tin coating be can be provided with, thereby the second connector 30 and the welding of electrode 111 are accordingly conducive to.
As shown in Figure 1, in an embodiment of the present utility model, the electrode 111 of each cell body 11 all can be positioned at the upper end of cell body 11, battery module control unit can be positioned at cell body 11 electrode 111 top and with the spaced apart preset distance in upper end of cell body 11.Battery module control unit can be connected with each cell body 11 of battery pack 10 with the connector corresponding with multiple voltage acquisition parts 40 by multiple voltage acquisition parts 40.Wherein, the height of described preset distance and voltage acquisition part 40 can be determined according to cell body 11 numbers in battery pack 10 and the power consumption demand of power consumption equipment.
As shown in Figure 5, in an embodiment of the present utility model, the first connector 20 can comprise positive strap 210 and negative pole brace 220.Positive strap 210 can be copper sheet, and negative pole brace 220 can be aluminium flake.Negative pole brace 220 is connected with positive strap 210, thereby two cell bodies 11 of arbitrary neighborhood in battery pack 10 are connected.
Be understandable that, the positive pole of cell body 11 as shown in Figure 4 and negative pole can adopt different materials to make, and the positive pole of cell body 11 can be copper electrode, and the negative pole of cell body 11 can be aluminium electrode.Like this, the material of positive strap 210 is identical with the anodal material of cell body 11, the material of negative pole brace 220 is identical with the material of the negative pole of cell body 11, thereby can make the first connector 20 mate better with cell body 11, to promote the electric conductivity of the first connector 20.
In an embodiment of the present utility model, as shown in Figure 5, the voltage acquisition part 40 being positioned on the first connector 20 can be connected with the negative pole brace 220 of corresponding the first connector 20.
Alternatively, negative pole brace 220 can be connected with positive strap 210 in ultrasonic bonding.In the time that the material of positive strap 210 is different with the material of negative pole brace 220, utilize ultrasonic bonding that both are welded together, not only be welded to connect reliable, and greatly reduced the contact resistance of positive strap 210 and negative pole brace 220, make the electric conductivity of the first connector 20 better.
As shown in Fig. 1-Fig. 3 and Fig. 7, battery module control unit comprises control board 510, on control board 510, can be provided with multiple and voltage acquisition part 40 multiple through holes 511 one to one, one end of voltage acquisition part 40 can be weldingly fixed in through hole 511, thereby make voltage acquisition part 40 more stable with being connected of battery module control unit, when battery component 100 vibrates, voltage acquisition part 40 is difficult for departing from control board 510, has ensured the stability of electrical connection.
Alternatively, the cross section of through hole 511 can be circle, triangle or rectangle.The shape of through hole 511 can be with the shape adaptation of voltage acquisition part 40 to guarantee the stability being welded to connect of voltage acquisition part 40 and control board 510.
In embodiment more of the present utility model, each cell body 11 can comprise multiple being arranged side by side and sub-cell body 110 in parallel, to meet the different demands of different power consumption equipments to power consumption.As shown in Figure 1-Figure 3, each cell body 11 can comprise that two are arranged side by side and sub-cell body 110 in parallel.The positive pole of two sub-cell bodies 110 links together and forms the positive pole of this cell body 11, and the negative pole of two cell bodies 11 is connected to one and forms the negative pole of this cell body 11.
Further, on the first connector 20 and the second connector 30, can be formed with accommodation hole 201.At least a portion of the corresponding electrode 111 of every sub-cell body 110 is contained in corresponding accommodation hole 201, and the corresponding electrode 111 of every sub-cell body 110 is fixed by laser welding with this accommodation hole 201.
Particularly, as shown in Figure 5, the first connector 20 can comprise two accommodation holes 201.One of them accommodation hole 201 is formed in positive strap 210, and the positive pole of the multiple sub-cell body 110 being connected with positive strap 210 is all contained in this accommodation hole 201.Another accommodation hole 201 is formed on negative pole brace 220, and the negative pole of the multiple sub-cell body 110 being connected with negative pole brace 220 is all contained in this accommodation hole 201.More specifically, as shown in Figure 3, the top of the upper end of electrode 111 and accommodation hole 201 is fixed by laser welding.
As shown in Figure 3, in examples more of the present utility model, the second connector 30 can be fixing so that the electric energy of battery pack 10 is exported to power consumption equipment by the corresponding terminals of bolt and power consumption equipment.Particularly, as shown in Figure 3, on the second connector 30, can be provided with the multiple connecting holes 301 that pass for bolt, on terminals, also be provided with the installation via hole corresponding with multiple connecting holes 301.
According to other structure of the battery module control unit of the battery component 100 of the utility model embodiment, be to those skilled in the art known, no longer narrate at this.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment in the situation that not departing from principle of the present utility model and aim in scope of the present utility model, modification, replacement and modification.
Claims (10)
1. a battery component, is characterized in that, comprising:
Battery pack, described battery pack comprises the multiple cell bodies and the multiple described cell body series connection that are arranged side by side;
Multiple the first connectors, each described the first connector is connected with the corresponding electrode of two cell bodies of arbitrary neighborhood in described battery pack respectively;
Two the second connectors, described second connector is connected with a remaining electrode of the cell body that is positioned at the described battery pack leftmost side, and described in another, the second connector is connected with a remaining electrode of the cell body that is positioned at the described battery pack rightmost side;
Multiple voltage acquisition parts, are wherein all connected with a voltage acquisition part on each described the first connector and each described the second connector; And
Battery module control unit, described battery module control unit and described voltage acquisition part are connected to detect in described battery pack the voltage of any one or adjacent multiple cell bodies.
2. battery component according to claim 1, is characterized in that,
The electrode of each described cell body is all positioned at the upper end of described cell body, described battery module control unit be positioned at multiple described cell bodies electrode top and with the spaced apart preset distance in upper end of multiple described cell bodies.
3. battery component according to claim 1, is characterized in that,
Described the first connector comprises:
Positive strap, described positive strap is copper sheet;
Negative pole brace, described negative pole brace is aluminium flake, described negative pole brace is connected with described positive strap.
4. battery component according to claim 3, is characterized in that, the voltage acquisition part being positioned on described the first connector is connected with the negative pole brace of corresponding the first connector.
5. battery component according to claim 3, is characterized in that, described negative pole brace is connected with described positive strap ultrasonic bonding.
6. battery component according to claim 1, it is characterized in that, described battery module control unit comprises control board, and described control board is provided with and multiple described voltage acquisition parts multiple through holes one to one, and one end of described voltage acquisition part is weldingly fixed in described through hole.
7. battery component according to claim 1, is characterized in that,
Described the first connector and the equal laser welding of described the second connector are fixed on the corresponding electrode of multiple described cell bodies.
8. according to the battery component described in any one in claim 1-7, it is characterized in that,
On the outer surface of described the first connector and described the second connector, be equipped with tin coating.
9. battery component according to claim 1, is characterized in that,
Each described cell body includes multiple being arranged side by side and sub-cell body in parallel.
10. battery component according to claim 9, is characterized in that,
On described the first connector and described the second connector, be all formed with accommodation hole, at least a portion of the corresponding electrode of each described sub-cell body is contained in corresponding described accommodation hole and fixes with described accommodation hole laser welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320708508.8U CN203617377U (en) | 2013-11-11 | 2013-11-11 | Battery component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320708508.8U CN203617377U (en) | 2013-11-11 | 2013-11-11 | Battery component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203617377U true CN203617377U (en) | 2014-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320708508.8U Expired - Fee Related CN203617377U (en) | 2013-11-11 | 2013-11-11 | Battery component |
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| CN (1) | CN203617377U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564660A (en) * | 2020-06-19 | 2020-08-21 | 义乌易换骑电池有限公司 | Lithium battery pack capable of preventing voltage acquisition interference |
| JP2022518811A (en) * | 2019-01-28 | 2022-03-16 | 寧徳時代新能源科技股▲分▼有限公司 | Battery module |
-
2013
- 2013-11-11 CN CN201320708508.8U patent/CN203617377U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022518811A (en) * | 2019-01-28 | 2022-03-16 | 寧徳時代新能源科技股▲分▼有限公司 | Battery module |
| JP7314284B2 (en) | 2019-01-28 | 2023-07-25 | 寧徳時代新能源科技股▲分▼有限公司 | battery module |
| CN111564660A (en) * | 2020-06-19 | 2020-08-21 | 义乌易换骑电池有限公司 | Lithium battery pack capable of preventing voltage acquisition interference |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180425 Address after: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee after: Beijing treasure Car Co.,Ltd. Address before: 102206, Beijing, Shahe Town, Changping District Road, sand Yang Patentee before: BEIQI FOTON MOTOR Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20211111 |