CN208767383U - A kind of connection structure and power-supply device - Google Patents
A kind of connection structure and power-supply device Download PDFInfo
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- CN208767383U CN208767383U CN201821796626.8U CN201821796626U CN208767383U CN 208767383 U CN208767383 U CN 208767383U CN 201821796626 U CN201821796626 U CN 201821796626U CN 208767383 U CN208767383 U CN 208767383U
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- connection structure
- connecting portion
- power
- supply device
- collector 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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model relates to battery technology fields, more particularly to a kind of connection structure and power-supply device, connection structure includes conducting connecting part, anti-oxidation coating and insulation sleeve, the conducting connecting part includes first connecting portion and two second connecting portions, described two second connecting portions are located at the both ends of the first connecting portion, the anti-oxidation coating is set to the surface of the second connecting portion, and the insulation sleeve is sheathed on the outer surface of the first connecting portion.By above-mentioned setting, the connection internal resistance of power-supply device can be effectively reduced, to effectively improve the performance and safety of power-supply device when the connection structure is applied to the power-supply device.
Description
Technical field
The utility model relates to battery technology fields, in particular to a kind of connection structure and power-supply device.
Background technique
Source of the electric car usually using power-supply device as automobile power, power-supply device usually may include multiple electricity
Chi Mo group.Due to generally including to may include multiple single batteries in each battery modules, multiple single batteries can also be gone here and there
Connection is in parallel, and connect with anode collection plate and negative pole currect collecting plate to be respectively formed the positive or negative pole of a battery modules.It is more
When mutual serial or parallel connection is at power-supply device between a battery modules, two battery modules can be connected by connection structure.
Inventor it has been investigated that, since the quantity of battery modules in power-supply device is more, the electricity passed through in connection structure
Flow it is larger, and connection structure be usually copper bar or aluminium row, this will cause the electrical connection contact portion of connection structure in charge and discharge
Galvano-cautery occurs in journey, and then in the power-supply device course of work, the resistance of connection structure increases, so that temperature increases even energy
Enough it is more than the unstability temperature of single battery, and then carrys out hidden danger to the safety belt in groups of power-supply device.
Utility model content
In view of this, the present invention provides a kind of connection structure and power-supply devices, can solve the above problem.
The technical scheme that the utility model is provided is as follows:
A kind of connection structure, comprising:
Conducting connecting part, the conducting connecting part include first connecting portion and two second connecting portions, and described two second connect
Socket part is located at the both ends of the first connecting portion；
Anti-oxidation coating, the anti-oxidation coating are set to the surface of the second connecting portion；And
Insulation sleeve, the insulation sleeve are sheathed on the outer surface of the first connecting portion.
Optionally, in above-mentioned connection structure, the conducting connecting part is conductive connecting piece, the anti-oxidation coating setting
In the two sides of the second connecting portion.
Optionally, in above-mentioned connection structure, the anti-oxidation coating with a thickness of 4 microns -6 microns.
Optionally, in above-mentioned connection structure, the first connecting portion is provided with transition part.
Optionally, in above-mentioned connection structure, the transition part is arranged along the width of the first connecting portion, and the mistake
Cross portion's being equidistant to two second connecting portions.
Optionally, in above-mentioned connection structure, the section of the transition part is arc-shaped, V-arrangement, S-shaped or waveform.
Optionally, in above-mentioned connection structure, multiple connecting holes are provided in the second connecting portion.
The utility model also provides a kind of power-supply device, and including power-supply device and above-mentioned connection structure, the power supply is set
Standby is multiple, and the two neighboring power-supply device is connected by the connection structure.
Optionally, in above-mentioned power-supply device, the power-supply device includes collector plate and multiple single batteries, the afflux
Plate includes collector plate ontology and the connecting plate for being set to the collector plate ontology, the electrode of the single battery respectively with the afflux
The connection of plate ontology, the collector plate ontology are connect by the connecting plate and connection structure with other battery modules.
Optionally, in above-mentioned power-supply device, the side that the connecting plate is connect with the second connecting portion is provided with anti-
Oxide coating is provided with multiple connecting holes, the corresponding position of the connecting plate and the second connecting portion in the second connecting portion
The place of setting is provided with multiple fixation holes, the connecting plate and the second connecting portion by passing through each connecting hole and corresponding solid
Determine the fastener connection in hole.
A kind of connection structure provided by the utility model and power-supply device, connection structure include first connecting portion by setting
With the conducting connecting part of second connecting portion, and anti-oxidation coating is set on the surface of second connecting portion, and in first connecting portion
Outer surface be arranged insulation sleeve, with by the connection structure be applied to the power-supply device when, power supply can be effectively reduced and set
Standby connection internal resistance avoids the single battery in power-supply device by the connection structure of high temperature to reduce the temperature of connection structure
It influences and the case where thermal run away occurs, and then improve the power supply safety and performance of power-supply device.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and
Cooperate appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of power-supply device provided by the embodiment of the utility model.
Fig. 2 is a kind of structural schematic diagram of collector plate provided by the embodiment of the utility model.
Fig. 3 is a kind of explosive view of connection structure provided by the embodiment of the utility model.
Fig. 4 is a kind of structural schematic diagram of conducting connecting part provided by the embodiment of the utility model.
Icon: 10- power-supply device；100- connection structure；110- conducting connecting part；112- first connecting portion；113- transition
Portion；114- second connecting portion；115- connecting hole；The anti-oxidation coating of 120-；130- insulation sleeve；200- battery modules；220- afflux
Plate；222- collector plate ontology；224- connecting plate；225-
Fixation hole.
Specific embodiment
Below in conjunction with attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be come with a variety of different configurations
Arrangement and design.Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below
The range of claimed invention, but it is merely representative of the selected embodiment of the utility model.Based on the utility model
Embodiment, those skilled in the art's every other embodiment obtained without making creative work, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile it is practical new at this
In the description of type, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relatively important
Property.
Fig. 1 and Fig. 2 are please referred to, the utility model provides a kind of power-supply device 10, and the power-supply device 10 includes connection knot
Structure 100 and battery modules 200, wherein the battery modules 200 be it is multiple, two neighboring battery modules 200 pass through the connection
Structure 100 is electrically connected.
Specifically, the quantity for the battery modules 200 for including in the power-supply device 10 may be, but not limited to, 3,4
Or 5, it will be understood that the quantity for the battery modules 200 for including in the power-supply device 10 may also be only two, not make herein
It is specific to limit, it is configured according to actual needs.
In the present embodiment, it is illustrated so that the battery modules 200 include collector plate 220 and single battery as an example.Tool
Body, the collector plate 220 includes collector plate ontology 222 and the connecting plate 224 for being set to the collector plate ontology 222, the list
The electrode of body battery is connect with the collector plate ontology 222 respectively, and the collector plate ontology 222 passes through 224 He of connecting plate
Connection structure 100 is connect with other battery modules 200.
Wherein, the quantity for the single battery for including in the battery modules 200 is not specifically limited herein, the collector plate
220 shape is not specifically limited herein, and is configured according to the quantity of the single battery and actual demand, herein not
Make specific restriction, the mode that the electrode of the single battery is connect with the collector plate ontology 222 can be using welded connecting.
In the present embodiment, when the collector plate ontology 222 is connect with the connecting plate 224, the collector plate ontology 222
Angle between the connecting plate 224 tends to the margin location that the vertical and described connecting plate 224 is located at the collector plate ontology 222
It sets, so that the connecting plate 224 has close to the side of the collector plate ontology 222 and far from the collector plate ontology 222
Side, and the connecting plate 224 and the collector plate ontology 222 are integrally formed and are arranged.
Since the quantity of single battery in battery modules 200 is more, the electric current passed through in the connection structure 100 is larger,
To avoid in 10 use process of power-supply device, because power supply caused by aoxidizing occurs for the surface of collector plate 220 or connection structure 100
The internal resistance of equipment 10 is excessive, so that temperature increases the unstability temperature for being even more than single battery, and then gives power-supply device 10 safety
The case where bringing hidden danger, in the present embodiment, the side that the connecting plate 224 is connect with the connection structure 100 are provided with anti-
Oxide coating 120, it will be understood that be also equipped with oxidation at the connection structure 100 and the link position of the connecting plate 224
Layer.
The connection type of the connecting plate 224 and the connection structure 100 can be to be connected by fasteners such as screw, bolts
It connects, can be connected, be not specifically limited herein with clamp assemblies, is configured according to actual needs.
Optionally, in the present embodiment, fixation hole 225, the connecting plate 224 and institute are provided on the connecting plate 224
Stating connection structure 100 can be connected by passing through the fastener of the fixation hole 225.
It is appreciated that the battery modules 200 may include than components more or fewer in Fig. 1, for example, the battery
Mould group 200 can also include the component for each single battery of encapsulation such as bottom plate, cover board, side plate, be not specifically limited herein.
Incorporated by reference to Fig. 3 and Fig. 4, the embodiment of the present application provides a kind of connection structure that can be applied to above-mentioned power-supply device 10
100, the connection structure 100 includes conducting connecting part 110, anti-oxidation coating 120 and insulation sleeve 130.
The conducting connecting part 110 includes first connecting portion 112 and two second connecting portions 114, and described two second connect
Socket part 114 is located at the both ends of the first connecting portion 112, and the anti-oxidation coating 120 is set to the second connecting portion 114
Surface, the insulation sleeve 130 is sheathed on the outer surface of the first connecting portion 112.
By above-mentioned setting, to be applied in the power-supply device 10 in the connection structure 100, and the connection structure
When 100 two second connecting portions 114 are connect with the connecting plate 224 in two battery modules 200 respectively, due to described
Anti-oxidation coating 120, the side that the connecting plate 224 is connect with the second connecting portion 114 is arranged in the surface of two interconnecting pieces 114
Be provided with anti-oxidation coating 120, it is possible to prevente effectively from 10 use process of the power-supply device because of the connecting plate 224 and/or
The surface of second connecting portion 114 there is a situation where aoxidizing caused by connection internal resistance it is excessive, so that connection structure 100 be effectively reduced
Temperature avoids the single battery in power-supply device 10 from being influenced by the connection structure 100 of high temperature and the case where thermal run away occur, in turn
Improve the power supply safety and performance of power-supply device 10.
In addition, by the way that the insulation sleeve 130 is arranged, it is possible to prevente effectively from use, because power-supply device 10 occurs
Situations such as shock causes first connecting portion 112, and there is a situation where bendings in turn result in short circuit, and user is avoided to check power supply
Caused during 10 electric power thus supplied of equipment electric shock situations such as, with further increase the power-supply device 10 Supply Security and
Performance.
It is understood that the conducting connecting part 110 can be made of metal, such as copper, aluminium or silver, it is good to realize
Good conductive effect.The insulation sleeve 130 can be made of insulating heat-conduction material, with after being connected in battery modules 200,
It is insulated using insulating heat-conduction material and other assemblies, avoids causing unnecessary electrical connection, while effective heat dissipation can also be played
Effect, to further avoid the excessively high situation of the temperature on connector.
Wherein, the shape of the conducting connecting part 110 can be arbitrary, for example, in the conducting connecting part 110
Two interconnecting pieces 114 can be sheet, and first connecting portion 112 is the arbitrary shapes such as column, rod-shaped or sheet, and two described second
The shape size of interconnecting piece 114 can be identical, is also possible to different, is not specifically limited herein, according to actual needs
It is configured.
To install conductive effect more preferably, and convenient for user, optionally, in the present embodiment, the conduction
Connector 110 is conductive connecting piece, and the first connecting portion 112 and second connecting portion 114 are integrally formed setting.
In addition, further to make the conductive effect of the conducting connecting part 110 more preferably, in the present embodiment, described two the
The shape size of two interconnecting pieces 114 is identical, and the thickness and width at each position of the conducting connecting part 110 tends to be identical.
When the anti-oxidation coating 120 is set to the surface of the second connecting portion 114, it can be set and connect in described second
Side in socket part 114 also can be set in the two sides of the second connecting portion 114, be not specifically limited herein.
To keep the practicability of the connection structure 100 stronger, and install convenient for user, in the present embodiment, institute
Stating conducting connecting part 110 is conductive connecting piece, and the anti-oxidation coating 120 is set to the two sides of the second connecting portion 114.
Wherein, the thickness of the anti-oxidation coating 120 can be arbitrary, such as may be, but not limited to, is 2 micron -6
Micron, as long as good conductive effect can be played, and can effectively avoid the connection structure 100 in use by oxygen
Change, optionally, in the present embodiment, the anti-oxidation coating 120 with a thickness of 5 microns or tend to 5 microns, such as 4 microns-
6 microns.
The anti-oxidation coating 120 can be but not limited to tin coating, nickel coating, zinc coat or silver coating, not make herein
It is specific to limit, it is configured according to actual needs.It should be noted that may be used also by the way that the anti-oxidation coating 120 is arranged
The potential difference of the conduction connecting structure 100 and the contact surface of the connecting plate 224 is effectively reduced.
Wherein, the second connecting portion 114 and the connection type of the connecting plate 224 can be through bolt and screw etc.
Fastener connection, is also possible to connect by clamping piece, be not specifically limited herein, be configured according to actual needs.
To avoid power-supply device 10 that vibration or collision etc. occurs, so that the connection structure 100 and the connecting plate 224 are sent out
It is estranged from, and then influence power-supply device 10 performance optionally in the present embodiment, be provided in the second connecting portion 114
Connecting hole 115, the connecting plate 224 and the corresponding position of the second connecting portion 114 are provided with fixation hole 225, the company
Fishplate bar 224 and the second connecting portion 114 by pass through the connecting hole 115 with the fastener of fixation hole 225 connect.
Wherein, the quantity of the connecting hole 115 can be one, be also possible to multiple, be not specifically limited herein, according to
Actual demand is configured.
It is in the present embodiment, described to make the connection effect of the connection structure 100 and the connecting plate 224 more preferably
The connecting hole 115 being arranged in second connecting portion 114 is multiple, the corresponding position of the connecting plate 224 and each connecting hole 115
Place is provided with multiple fixation holes 225, the connecting plate 224 and the second connecting portion 114 by passing through each connecting hole 115
It is connected with the fastener of corresponding fixation hole 225.
Further, since the power-supply device 10, in assembling process, the position of each battery modules 200 may occur relatively
Offset, to avoid caused by shifting because of two neighboring battery modules 200 battery modules 200 from connecting by the connection structure 100
There is a situation where inconvenience when connecing.In the present embodiment, the first connecting portion 112 is provided with transition part 113, by described in setting
Transition part 113 is so that the position of two second connecting portions 114 relatively moves, in order to which user is by the connection structure
100 are connected to two adjacent battery modules 200 by two second connecting portions 114, effectively to avoid assembling because existing
Work difference causes power-supply device 10 to assemble inconvenient problem.
Wherein, the shape of the transition part 113 can be arbitrary, as long as can make described two second connecting portions 114
It can relatively move.Specifically, in the present embodiment, the section of the transition part 113 is arc-shaped, V-arrangement, S-shaped or
Waveform.
The transition part 113 can be set in close to the first connecting portion 112 center position, also can be set in
At the position of the second connecting portion 114, it is not specifically limited herein, is configured according to actual needs.
For the better effect for reaching the transition part 113 when absorbing assembler's difference, in the present embodiment, the transition
Portion 113 along the first connecting portion 112 width be arranged, and the second connecting portion 114 of the transition part 113 to two away from
From equal.
In conclusion a kind of connection structure 100 provided by the utility model and power-supply device 10, connection structure 100 pass through
Conducting connecting part 110 including first connecting portion 112 and second connecting portion 114 is set, and is set on the surface of second connecting portion 114
Anti-oxidation coating 120 is set, and is arranged insulation sleeve 130 in the outer surface of first connecting portion 112, by the connection structure
100 be applied to the power-supply device 10 when, the connection internal resistance of power-supply device 10 can be effectively reduced, to reduce connection structure
100 temperature avoids the single battery in power-supply device 10 from being influenced by the connection structure 100 of high temperature and the feelings of thermal run away occur
Condition, and then improve the power supply safety and performance of power-supply device 10.Further, pass through setting in the first connecting portion 112
Transition part 113 in order to which the connection structure 100 to be assembled in power supply device, and can effectively be absorbed in assembling process and be produced
Raw assembler is poor.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model is answered described with power
Subject to the protection scope that benefit requires.
Claims (10)
1. a kind of connection structure characterized by comprising
Conducting connecting part, the conducting connecting part include first connecting portion and two second connecting portions, described two second connecting portions
It is located at the both ends of the first connecting portion；
Anti-oxidation coating, the anti-oxidation coating are set to the surface of the second connecting portion；And
Insulation sleeve, the insulation sleeve are sheathed on the outer surface of the first connecting portion.
2. connection structure according to claim 1, which is characterized in that the conducting connecting part is conductive connecting piece, described
Anti-oxidation coating is set to the two sides of the second connecting portion.
3. connection structure according to claim 1, which is characterized in that the anti-oxidation coating it is micro- with a thickness of 4 micron -6
Rice.
4. connection structure according to claim 1, which is characterized in that the first connecting portion is provided with transition part.
5. connection structure according to claim 4, which is characterized in that width of the transition part along the first connecting portion
Setting, and the transition part being equidistant to two second connecting portions.
6. connection structure according to claim 5, which is characterized in that the section of the transition part is arc-shaped, V-arrangement, S-shaped or
Waveform.
7. connection structure according to claim 1, which is characterized in that be provided with multiple connections in the second connecting portion
Hole.
8. a kind of power-supply device, which is characterized in that including connection knot described in power-supply device and claim 1-7 any one
Structure, the power-supply device is multiple, and the two neighboring power-supply device is connected by the connection structure.
9. power-supply device according to claim 8, which is characterized in that the power-supply device includes collector plate and multiple monomers
Battery, the collector plate include collector plate ontology and the connecting plate for being set to the collector plate ontology, the electrode of the single battery
It is connect respectively with the collector plate ontology, the collector plate ontology passes through the connecting plate and connection structure and other battery modules
Connection.
10. power-supply device according to claim 9, which is characterized in that the connecting plate is connect with the second connecting portion
Side be provided with anti-oxidation coating, multiple connecting holes, the connecting plate and described second are provided in the second connecting portion
The corresponding position of interconnecting piece is provided with multiple fixation holes, the connecting plate and the second connecting portion by passing through each company
Hole is connect to connect with the fastener of corresponding fixation hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821796626.8U CN208767383U (en) | 2018-11-01 | 2018-11-01 | A kind of connection structure and power-supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821796626.8U CN208767383U (en) | 2018-11-01 | 2018-11-01 | A kind of connection structure and power-supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208767383U true CN208767383U (en) | 2019-04-19 |
Family
ID=66136748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821796626.8U Active CN208767383U (en) | 2018-11-01 | 2018-11-01 | A kind of connection structure and power-supply device |
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| Country | Link |
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| CN (1) | CN208767383U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350137A (en) * | 2019-06-27 | 2019-10-18 | 恒大新能源科技集团有限公司 | A kind of battery modules deriving structure and preparation method thereof, battery modules and battery pack |
| WO2021078067A1 (en) * | 2019-10-21 | 2021-04-29 | 宁德时代新能源科技股份有限公司 | Connection assembly, battery module, battery pack, and device using battery module as power source |
-
2018
- 2018-11-01 CN CN201821796626.8U patent/CN208767383U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350137A (en) * | 2019-06-27 | 2019-10-18 | 恒大新能源科技集团有限公司 | A kind of battery modules deriving structure and preparation method thereof, battery modules and battery pack |
| WO2021078067A1 (en) * | 2019-10-21 | 2021-04-29 | 宁德时代新能源科技股份有限公司 | Connection assembly, battery module, battery pack, and device using battery module as power source |
| US11843129B2 (en) | 2019-10-21 | 2023-12-12 | Contemporary Amperex Technology Co., Limited | Connecting assembly, battery module, battery pack, and device using battery module as power supply |
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