CN205943488U - Electrically conductive female arranging and energy storage battery pack thereof - Google Patents
Electrically conductive female arranging and energy storage battery pack thereof Download PDFInfo
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- CN205943488U CN205943488U CN201620918718.3U CN201620918718U CN205943488U CN 205943488 U CN205943488 U CN 205943488U CN 201620918718 U CN201620918718 U CN 201620918718U CN 205943488 U CN205943488 U CN 205943488U
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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 an electrically conductive female arranging and energy storage battery pack thereof relates to electric fittings technical field to when guaranteeing that energy storage battery pack possesses good electric property, lighten electrically conductive female weight of arranging, and improve electrically conductive female practicality of arranging. Electrically conductive female arranging, including connection subject, connection subject including be used for with energy storage battery's electrode accordant connection's joint portion to and be used for bearing the connecting portion of current transmission, surface from interior outwards the cladding the first metal layer and the second metal level in proper order of joint portion. The utility model provides an electrically conductive female row and energy storage battery pack are used for the electricity generation of energy storage power station.
Description
Technical Field
The utility model relates to an electrical accessories technical field especially relates to a female row of electrically conducting and energy storage battery group thereof.
Background
With the development of energy storage technology, energy storage battery packs are widely used in power systems and become an essential component of the power systems. The energy storage battery pack is generally formed by connecting a plurality of single energy storage batteries arranged in parallel through a conductive bus bar, and the common conductive bus bar is a copper bus bar, an aluminum bus bar or a copper-aluminum composite bus bar.
However, the existing conductive busbar has some problems in the using process, and specific examples are as follows: when the copper busbar is selected as the conductive connecting piece of the energy storage battery pack, the connection is safe and reliable, but the cost is high, and when the number of the used copper busbars is large, the load of the energy storage battery pack bearing device can be increased; when the aluminum busbar is selected as the conductive connecting piece of the energy storage battery pack, the aluminum busbar has larger contact resistance and is easy to oxidize, so that the electrical performance of the energy storage battery pack is influenced; when the copper-aluminum composite busbar is selected as the conductive connecting piece of the energy storage battery pack, if the conductive connecting piece needs to be bent, the copper-aluminum composite busbar is easy to deform and can cause the separation of the interface of copper-aluminum alloy, so that the normal use of the conductive busbar and the electrical performance of the energy storage battery pack are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a female row of electrically conducting and energy storage battery group to when guaranteeing that the energy storage battery group possesses good electrical property, alleviate the female weight of arranging of electrically conducting, and improve the female practicality of arranging of electrically conducting.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a conductive busbar comprises a connecting main body, wherein the connecting main body comprises a joint part and a connecting part, the joint part is used for being matched and connected with an electrode of an energy storage battery, and the connecting part is used for bearing current transmission; the surface of the joint part is sequentially coated with a first metal layer and a second metal layer from inside to outside; wherein,
the conductivity of the connecting body, the conductivity of the first metal layer and the conductivity of the second metal layer are increased in sequence, the conductivity of the second metal layer is greater than or equal to that of silver, and the conductivity of the connecting body is greater than or equal to that of aluminum;
the density of the material of the connecting body is less than or equal to that of aluminum, and the ductility of the connecting body is better than or equal to that of aluminum;
the yield strength of the first metal layer is greater than or equal to the yield strength of copper.
Compared with the prior art, the utility model provides a female arranging of electrically conducting can reach following beneficial effect:
the utility model provides a conductive bus-bar, through the surface cladding first metal layer and the second metal at the joint portion, and make the second metal layer that electric conductivity is the best and its electric conductivity more than or equal to silver electric conductivity as the outermost surface of joint portion, be connected with energy storage battery and use, can make full use of the good electric conductivity of second metal layer, make conductive bus-bar also possess good electric conductivity, electrode contact through second metal layer and energy storage battery links to each other simultaneously, can reduce the contact resistance of conductive bus-bar and energy storage battery, thereby guarantee that the energy storage battery through this conductive bus-bar connection can possess good electrical property; moreover, the first metal layer with the yield strength being more than or equal to that of copper is used as the secondary outer layer of the joint part, so that the conductive busbar has good mechanical performance, and the energy storage battery connected through the conductive busbar can further keep good electrical performance by combining with the good electrical conductivity of the first metal layer.
In addition, in the conductive busbar provided by the utility model, the material density of the connecting main body is less than or equal to the density of aluminum, compared with the existing copper busbar with the same size, the weight of the conductive busbar can be obviously reduced, and especially when the number of the used conductive busbars is large, the load of the energy storage battery pack bearing device can be obviously reduced; and the ductility of the connecting body is superior to that of aluminum, namely the connecting body has good ductility, is easy to bend and machine-form, can be suitable for various occasions, and improves the practicability of the conductive busbar.
The utility model also provides an energy storage battery group, this energy storage battery group includes the female arranging of electrically conductive that above-mentioned technical scheme provided. Compared with the prior art, the utility model provides a beneficial effect that energy storage battery group can realize, it is the same with the beneficial effect that electrically conductive female arranging that above-mentioned technical scheme provided can reach, do not do here and describe repeatedly.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic cross-sectional structure view of a conductive bus bar provided in an embodiment of the present invention;
fig. 2 is a first schematic structural diagram of a conductive bus bar according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a conductive bus bar according to an embodiment of the present invention;
fig. 4 is a third schematic structural view of the conductive busbar provided in the embodiment of the present invention.
Reference numerals:
1-a connecting body, 11-a joint part,
12-a connection, 2-a copper metal layer,
3-a silver metal layer, 4-a connecting via,
5-insulating layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 and fig. 2, a conductive busbar according to an embodiment of the present invention includes a connecting body 1, the connecting body 1 includes a joint portion 11 for matching and connecting with an electrode of an energy storage battery, and a connecting portion 12 for carrying current transmission, and a first metal layer and a second metal layer are sequentially coated on a surface of the joint portion 11 from inside to outside; wherein,
the conductivity of the connecting body 1, the conductivity of the first metal layer and the conductivity of the second metal layer are increased in sequence, the conductivity of the second metal layer is greater than or equal to that of silver, and the conductivity of the connecting body 1 is greater than or equal to that of aluminum; the density of the material of the connecting body 1 is less than or equal to that of aluminum, and the ductility of the connecting body 1 is better than or equal to that of aluminum; the yield strength of the first metal layer is greater than or equal to the yield strength of copper.
In specific implementation, the connecting body 1 is an aluminum connecting plate, the first metal layer is a copper metal layer 2, and the second metal layer is a silver metal layer 3, which are described in detail as follows:
firstly, the outer surface of the connecting body 1 is decontaminated, an oxidation film is removed, the connecting body is flattened and polished, then a copper metal layer 2 is plated or condensed on the outer side surface, the top surface and the like of the joint part 11 of the connecting body 1 in an electroplating mode, a chemical plating mode and the like, after the copper metal layer 2 is cooled and formed, a silver metal layer 3 is plated or condensed on the outer surface of the copper metal layer 2 in the same method, and therefore the joint part 11 is coated by the copper metal layer 2 and the silver metal layer 3.
According to the specific implementation process, the embodiment of the utility model provides a conductive busbar, through the surface cladding first metal layer and the second metal at joint part 11, and make the second metal layer that the electric conductivity is the best and its electric conductivity more than or equal to silver electric conductivity as the outermost surface of joint part, be connected with energy storage battery and use, can make full use of the good electric conductivity of second metal layer, make conductive busbar also possess good electric conductivity, it is continuous with energy storage battery's electrode contact through the second metal layer simultaneously, can reduce conductive busbar and energy storage battery's contact resistance, thereby guarantee that the energy storage battery who connects through this conductive busbar can possess good electrical property; moreover, the first metal layer with the yield strength being more than or equal to that of copper is used as the secondary outer layer of the joint part, so that the conductive busbar has good mechanical performance, and the energy storage battery connected through the conductive busbar can further keep good electrical performance by combining with the good electrical conductivity of the first metal layer.
In addition, in the conductive busbar provided by the embodiment of the utility model, the material density of the connecting body 1 is less than or equal to the density of aluminum, compared with the existing copper busbar with the same size, the weight of the conductive busbar can be obviously reduced, and especially, when the number of the used conductive busbars is large, the load of the energy storage battery pack bearing device can be obviously reduced; in addition, the ductility of the connecting body 1 is superior to that of aluminum, that is, the connecting body 1 has good ductility, is easy to bend or machine-form, can be applied to various occasions, and improves the practicability of the conductive busbar.
In addition, when the second metal layer is the silver metal layer 3, the silver metal layer 3 is chemically stable, and the silver metal layer 3 is used as the outermost surface of the joint part 11, so that the joint part 11 of the conductive bus bar is corrosion-resistant and oxidation-resistant, and the service life of the conductive bus bar can be properly prolonged.
It is worth mentioning that the copper metal layer 2 can be an electroplated copper layer, an electroless copper layer or a vacuum copper layer; the silver metal layer 3 may be an electroplated silver layer, a chemically plated silver layer, or a vacuum plated silver layer. Of course, the copper metal layer 2 and the silver metal layer 3 are not limited to the above plating, and the copper metal layer 2 and the silver metal layer 3 may be formed by other various forming methods, such as leaching, condensation, and the like. In order to ensure the usability of the conductive busbar, the copper metal layer 2 is preferably a pure copper metal layer, and the silver metal layer 3 is preferably a pure silver metal layer.
In order to ensure that the energy storage battery pack connected by the conductive busbar can maintain good electrical performance, a specific implementation manner is given in this embodiment, and a ratio of the thickness of the copper metal layer 2 to the thickness of the silver metal layer 3 is: 1-3; specifically, when the thickness of the copper metal layer 2 is 0.5 mm to 1.5 mm, the thickness of the silver metal layer 3 should be 0.5 mm to 1.5 mm, and of course, the thickness of the copper metal layer 2 and the thickness of the silver metal layer 3 are not limited thereto, and may be appropriately adjusted according to the actual application of the conductive bus bar.
In the conductive busbar, the length of the connecting body 1 should be determined according to the placement distance of each energy storage battery in the energy storage battery pack, the thickness and width of the connecting body 1, the width of the copper metal layer 2, and the width of the silver metal layer 3 should be determined according to the current-carrying capacity and the electrode size of the energy storage battery.
For the convenience of the female connection of arranging of electrically conducting, refer to fig. 3 and 4, in the female row of electrically conducting that the embodiment of the utility model provides a connecting main body 1 includes two joint portions 11, and two joint portions 11 are located connecting main body 1's both ends respectively to different energy storage batteries can be connected respectively to the female both ends of arranging of electrically conducting, and every joint portion 11's surface all from inside to outside cladding copper metal level 2 and silver metal level 3 in proper order.
The connection mode of the conductive busbar and the energy storage battery can be various, and the conductive busbar and the energy storage battery can be connected in an electrode contact manner. In this embodiment, specifically, a connection via hole 4 is formed in advance in the connector portion 11 of the conductive busbar, and the connection via hole 4 is used for being connected with an electrode of the energy storage battery in a matching manner; then, an electrode preset on the energy storage battery passes through the connecting through hole 4, the shape of the electrode is generally set to be bolt-shaped, and then the electrode is fastened through a nut matched with the electrode, so that the joint part 11 of the conductive busbar is kept in contact with the electrode of the energy storage battery, and the use requirement is met.
In addition, the shape of the connecting via hole 4 can be selected from a circular hole or a long hole, and in the embodiment, the connecting via hole 4 is preferably a long hole, so that when the conductive bus bar is connected with the electrode of the energy storage battery through the joint part 11, a certain adjustment margin exists in the connecting via hole 4, and the mounting connection of the conductive bus bar is facilitated; the size of the connecting through hole 4 is specifically determined according to the size of a bolt matched with the connecting through hole, and generally, the size of the connecting through hole 4 is slightly larger than the outer diameter of an electrode bolt of the energy storage battery.
When the surface of the joint portion 11 is sequentially coated with the copper metal layer 2 and the silver metal layer 3 from inside to outside, the specific shapes of the copper metal layer 2 and the silver metal layer 3 should be determined according to the shape of the joint portion 11, and the copper metal layer 2 and the silver metal layer 3 may be sequentially coated on the surface of the joint portion 11.
In the above embodiment, referring to fig. 1, the cross section of the terminal 11 is a rectangular cross section, the copper metal layer 2 is in a U-shaped structure and covers the outer side surface and the top surface of the terminal 11, and the silver metal layer 3 is in a U-shaped structure and covers the outer side surface and the top surface of the copper metal layer 2, where the outer side surface of the terminal 11 refers to the contact surface and the opposite surface of the terminal 11 and the energy storage battery when the terminal 11 is connected with the electrode of the energy storage battery in a matching manner; the outer surface of the copper metal layer 2 is a surface facing the outer surface of the tab 11. In this way, in the conductive busbar, the contact surface of the joint part 11 and the energy storage battery and the outermost layer opposite to the contact surface are the silver metal layers 3, the joint part 11 is provided with two side surfaces for coating the silver metal layers 3, the two side surfaces can be in contact connection with the energy storage battery, the universality of the conductive busbar is improved, and the silver metal layers 3 and the copper metal layers 2 can have larger areas, so that the current-carrying capacity of the conductive busbar is increased.
In the above embodiment, referring to fig. 3, the connecting body 1 further includes a connecting portion 12 integrally formed with the joint portions 11, the connecting portion 12 is located between the two joint portions 11 and connects the two joint portions 11; in order to ensure the use safety of the conductive busbar, the surface of the connecting part 12 is coated with an insulating layer 5, so that engineering personnel can conveniently use the conductive busbar.
In order to facilitate the processing of the copper metal layer 2 and the silver metal layer 3 on the connecting body 1 to complete the mass production of the conductive busbar, referring to fig. 4, the surface of the connecting portion 12 is sequentially coated with the copper metal layer 2, the silver metal layer 3 and the insulating layer 5 from inside to outside; therefore, the connecting part 12 and the joint part 11 can simultaneously process the copper metal layer 2 and the silver metal layer 3, and the production efficiency of the conductive busbar is improved.
The embodiment of the utility model provides a still provide an energy storage battery group, the energy storage battery group includes the electrically conductive female arranging that above-mentioned embodiment provided, just electrically conductive female arranging of energy storage battery group is the same with the advantage that electrically conductive female arranging in the above-mentioned embodiment has, consequently the utility model provides a beneficial effect that energy storage battery group can realize, the electrically conductive beneficial effect that female arranging that provides with above-mentioned embodiment can reach is the same, does not do here and gives unnecessary details.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The conductive busbar is characterized by comprising a connecting main body, wherein the connecting main body comprises a joint part and a connecting part, the joint part is used for being matched and connected with an electrode of an energy storage battery, and the connecting part is used for bearing current transmission; the surface of the joint part is sequentially coated with a first metal layer and a second metal layer from inside to outside; wherein,
the conductivity of the connecting body, the conductivity of the first metal layer and the conductivity of the second metal layer are increased in sequence, the conductivity of the second metal layer is greater than or equal to that of silver, and the conductivity of the connecting body is greater than or equal to that of aluminum;
the material density of the connecting body is less than or equal to the density of aluminum, and the ductility of the connecting body is better than or equal to that of the aluminum;
the yield strength of the first metal layer is greater than or equal to that of copper.
2. The conductive busbar according to claim 1, wherein the connecting body is an aluminum connecting plate, the first metal layer is a copper metal layer, and the second metal layer is a silver metal layer.
3. The conductive busbar according to claim 2, wherein the copper metal layer is an electroplated copper layer, an electroless copper layer or a vacuum copper layer; the silver metal layer is an electroplated silver layer, a chemical silver layer or a vacuum silver layer.
4. The conductive busbar according to claim 3, wherein the ratio of the thickness of the copper metal layer to the thickness of the silver metal layer is: 1 to 3.
5. The conductive busbar according to claim 2, wherein the connecting body comprises two joint parts, the two joint parts are respectively positioned at two ends of the connecting body, and the surface of each joint part sequentially coats the copper metal layer and the silver metal layer from inside to outside.
6. The conductive busbar according to claim 5, wherein the copper metal layer is U-shaped and covers the outer side and the top of the joint part, and the silver metal layer is U-shaped and covers the outer side and the top of the copper metal layer.
7. The conductive busbar according to claim 5, wherein the tab portion and the connecting portion are integrally formed, and the connecting portion is located between and connects the two tab portions.
8. The conductive busbar according to claim 7, wherein the surface of the connecting part is coated with an insulating layer; or,
the surface of the connecting part is sequentially coated with the copper metal layer, the silver metal layer and the insulating layer from inside to outside.
9. The conducting busbar according to any one of claims 1 to 8, wherein the connector portion is provided with a connecting via hole for matching and connecting with an electrode of an energy storage battery.
10. An energy storage battery comprising a conductive busbar according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201620918718.3U CN205943488U (en) | 2016-08-22 | 2016-08-22 | Electrically conductive female arranging and energy storage battery pack thereof |
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| CN201620918718.3U CN205943488U (en) | 2016-08-22 | 2016-08-22 | Electrically conductive female arranging and energy storage battery pack thereof |
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| CN205943488U true CN205943488U (en) | 2017-02-08 |
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| CN201620918718.3U Active CN205943488U (en) | 2016-08-22 | 2016-08-22 | Electrically conductive female arranging and energy storage battery pack thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212146A (en) * | 2019-07-10 | 2019-09-06 | 河南合力新材料股份有限公司 | A kind of soft-package battery Copper-Aluminum compound battery connecting piece |
-
2016
- 2016-08-22 CN CN201620918718.3U patent/CN205943488U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212146A (en) * | 2019-07-10 | 2019-09-06 | 河南合力新材料股份有限公司 | A kind of soft-package battery Copper-Aluminum compound battery connecting piece |
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