CN209747620U

CN209747620U - low-cost high-efficiency aluminum busbar

Info

Publication number: CN209747620U
Application number: CN201920508983.8U
Authority: CN
Inventors: 马国良; 金亚
Original assignee: Guo Zhijun Automobile Co Ltd
Current assignee: Guo Zhijun Automobile Co Ltd
Priority date: 2019-04-16
Filing date: 2019-04-16
Publication date: 2019-12-06
Anticipated expiration: 2029-04-16

Abstract

The utility model discloses a low-cost high-efficiency aluminum busbar, which comprises a busbar body, wherein the busbar body comprises a busbar main body, a bottom plate is welded at the bottom of the busbar main body, a transverse plate and a side plate are respectively welded at two sides of the bottom plate, a top plate is welded at the top of the bottom plate, a first bolt is installed on the bottom plate, a cutting sleeve is welded at the top of the bottom plate, a screw hole is formed at the bottom of a groove, a second bolt is installed at the inner side of the screw hole, a top hole is formed on the top plate, a first screw is welded at one side of the busbar, a first through hole is formed at one side of the busbar, a second screw is welded at one side of the busbar, a second through hole is formed at one side of the busbar, both the first screw and the second screw are sleeved with a nut and a gasket, and the low-cost high-efficiency aluminum busbar is reasonable, the lithium ion battery pack is suitable for being mounted and used on a lithium ion battery.

Description

Low-cost high-efficiency aluminum busbar

Technical Field

The utility model relates to a new energy battery technical field specifically is a low-cost high-efficiency aluminium busbar.

Background

The lithium ion battery has the advantages of high cost performance, good safety, low pollution and the like, and has been increasingly widely applied, not only applied to the common electronic field, but also gradually applied to the power and energy storage field, the new energy automobile of the lithium battery can be developed in a new and growing day by day, the bus bar is taken as a component on the lithium ion battery and bears the function of mutually connecting the motors on the lithium ion battery, so as to achieve the purpose of series connection, and further increase the voltage of the lithium ion battery, so that the lithium ion battery is suitable for the new energy automobile, the bus bar in the current market has the advantages of simple processing, flexible use, firm connection, low resistivity, high conductivity and the like, and can meet the installation and use requirements of the lithium ion battery, however, for most of the bus bars, on one hand, because the bus bar is a copper bus bar, although the bus bar has higher conductivity, the lug of the battery pack is of an aluminum structure, due to different thermal expansion coefficients of two materials, after repeated thermal expansion and cold contraction, the copper busbar is often separated from the aluminum lug, the current cannot be normally conducted, and the battery pack is not beneficial to long-time use, on the other hand, the lithium ion battery pack is inconvenient to adjust the voltage by a person, the lithium ion battery pack is often used as a whole to supply power to a vehicle, after the voltage is a plurality of lithium ion battery units, when the lithium ion battery pack needs to be used for providing electric energy for other different electric equipment, the total voltage is often much larger than that of other electric equipment, the lithium ion battery pack is not beneficial to use, on the other hand, when the lithium ion battery units are replaced, the busbar is often required to be disassembled, the busbar and the lug on the lithium ion battery are easily damaged in the disassembling process, and the secondary installation of the, which is not beneficial to the replacement of the lithium ion battery unit.

Therefore, how to design a low-cost and high-efficiency aluminum bus bar becomes a problem to be solved currently.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a low-cost high-efficiency aluminium busbar to solve the problem that proposes in the above-mentioned background art, the utility model relates to a rationally, it is comparatively convenient during the use, be fit for being used for lithium ion battery to go up the installation and use.

In order to achieve the above object, the utility model provides a following technical scheme: a low-cost high-performance aluminum bus bar comprises a bus bar body including a bus bar main body, the bus bar main body comprises a first bus bar and a second bus bar, the bottom of the bus bar main body is welded with a bottom plate, the two sides of the bottom sheet are respectively welded with a transverse plate and a side plate, the top of the bottom sheet is welded with a top plate, the bottom plate is provided with a first bolt, the top of the bottom plate is welded with a cutting sleeve, the top plate is provided with a groove, the bottom of the groove is provided with a screw hole, the inner side of the screw hole is provided with a second bolt, the top plate is provided with a top hole, one side of the first busbar is welded with a first screw, one side of the first busbar is provided with a first through hole, one side welding of busbar two has screw two, port two has been seted up to one side of busbar two, all overlap on screw one and the screw two and be equipped with nut and gasket.

As a preferred embodiment of the present invention, the first screw is engaged with the first through hole, and the second screw is engaged with the first through hole.

As an embodiment of the present invention, the first screw and the second screw have a first external thread, the nut has a first internal thread, and the first external thread is matched with the first internal thread.

As an optimized embodiment of the utility model, an internal thread two has all been seted up in cutting ferrule, film and the screw, external screw thread two has been seted up on the bolt two, internal thread two and external screw thread two-phase cooperation.

As a preferred embodiment of the utility model, the apical pore sets up at the top of bolt one, the card cover sets up the bottom at the screw.

As a preferred embodiment of the present invention, the bottom plate has a through hole, and the first bolt passes through the through hole and extends to the bottom of the bottom plate.

As a preferred embodiment of the utility model, diaphragm and curb plate all weld in the bottom of roof, one side of roof is seted up jaggedly, the busbar main part is the aluminium busbar.

The utility model has the advantages that: the utility model discloses a low-cost high-efficient aluminium busbar, including busbar main part, film, bolt one, cutting ferrule, recess, bolt two, screw, roof, screw one, nut, gasket, opening one, diaphragm, apical pore, curb plate, screw two, opening two.

1. This low-cost high-efficient aluminium busbar owing to be provided with the busbar main part, the busbar main part is the aluminium busbar, consequently can ensure that the busbar is the same with the material of utmost point ear, and then ensures that its coefficient of thermal expansion is the same, consequently can effectively avoid leading to breaking away from of busbar and utmost point ear because of expend with heat and contract with cold when using, the fastness of guarantee connection.

2. This low-cost high-efficient aluminium busbar owing to be provided with cutting ferrule, recess, bolt two, screw and roof for can carry out the free choice according to the required voltage of consumer and connect, make it can be according to the voltage demand of difference and adjust by oneself, make lithium ion battery can be used for the use of multiple consumer.

3. This low-cost high-efficient aluminium busbar owing to be provided with screw one, nut, gasket, opening one, screw two and opening two for when changing lithium ion battery unit, need not dismantle busbar and utmost point ear, and then the firm connection of guarantee busbar and utmost point ear, the safety of protection utmost point ear, the lithium ion battery unit of being convenient for with trade.

4. This low-cost high-efficiency aluminum busbar reasonable in design, it is comparatively convenient during the use, be fit for being used for lithium ion battery to go up the installation and use.

Drawings

FIG. 1 is a schematic view of the assembly structure of a low-cost and high-performance aluminum busbar of the present invention;

FIG. 2 is a schematic structural view of a low-cost and high-performance aluminum busbar of the present invention;

FIG. 3 is a cross-sectional view of a low cost, high performance aluminum busbar groove of the present invention;

FIG. 4 is a cross-sectional view of a cross plate of a low-cost, high-performance aluminum busbar of the present invention;

In the figure: 1-busbar main body, 2-bottom plate, 3-first bolt, 4-clamping sleeve, 5-groove, 6-second bolt, 7-screw hole, 8-top plate, 9-first screw, 10-nut, 11-gasket, 12-first through hole, 13-transverse plate, 14-top hole, 15-side plate, 16-second screw and 17-second through hole.

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 work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the aluminum busbar with low cost and high efficiency comprises a busbar body, wherein the busbar body comprises a busbar main body 1, the busbar main body 1 comprises a busbar I and a busbar II, a film 2 is welded at the bottom of the busbar main body 1, transverse plates 13 and side plates 15 are welded at two sides of the film 2 respectively, a top plate 8 is welded at the top of the film 2, a bolt I3 is installed on the film 2, a clamping sleeve 4 is welded at the top of the film 2, a groove 5 is formed in the top plate 8, a screw hole 7 is formed in the bottom of the groove 5, a bolt II 6 is installed on the inner side of the screw hole 7, a top hole 14 is formed in the top plate 8, a screw I9 is welded at one side of the busbar I, a through hole I12 is formed in one side of the busbar I, a screw II 16 is welded at one side of the busbar II, a through hole II 17 is formed in one side of the busbar II, and the first screw 9 and the second screw 16 are both sleeved with a nut 10 and a gasket 11.

As a preferred embodiment of the present invention, the first screw 9 is engaged with the second opening 17, and the second screw 16 is engaged with the first opening 12.

as an preferable embodiment of the present invention, the first screw 9 and the second screw 16 have external threads one, the nut 10 has internal threads one, and the external threads one and the internal threads one are matched.

As an optimized embodiment of the present invention, an internal thread two is provided in the cutting sleeve 4, the bottom sheet 2 and the screw hole 7, an external thread two is provided on the bolt two 6, and the internal thread two is matched with the external thread two.

As a preferred embodiment of the present invention, the top hole 14 is disposed at the top of the first bolt 3, and the ferrule 4 is disposed at the bottom of the screw hole 7.

As a preferred embodiment of the utility model, the bottom plate 2 is provided with a through hole, and the first bolt 3 passes through the through hole and extends to the bottom of the bottom plate 2.

as a preferred embodiment of the present invention, the transverse plate 13 and the side plate 15 are all welded at the bottom of the top plate 8, one side of the top plate 8 is provided with a notch, and the bus bar main body 1 is an aluminum bus bar.

The working principle is as follows: when the low-cost high-efficiency aluminum bus bar is used, the first screw bolt 3 is screwed to fixedly connect the negative plate 2 with the lug, or the lug and the negative plate 2 are welded together, so that the effect of current conduction of the lithium ion battery is achieved, the first bus bar and the second bus bar are respectively connected with the positive electrode and the negative electrode on the lithium ion battery unit, the bus bar main body 1 is the aluminum bus bar, the resistance of the aluminum bus bar is almost not different from that of the copper bus bar due to the short length and the large sectional area, so that the same material of the bus bar and the lug can be ensured, the same thermal expansion coefficient can be ensured, the separation of the bus bar and the lug caused by expansion and contraction during use can be effectively avoided, the connection firmness is ensured, when a plurality of lithium ion battery units are required to be combined together, the first screw bolt 9 on the first bus bar is inserted into the second through hole 17 on the second bus bar, inserting the second screw 16 on the second busbar into the first through hole 12 of the first busbar, clamping the gasket 11 between the first busbar and the second busbar, protecting the busbar body 1, enabling the first busbar and the second busbar to be tightly connected, ensuring the tightness of the connection, fixing the first screw 9 and the second screw 16 through the nut 10, detaching and installing the first screw 9 and the second screw 16 through the nut 10 when the lithium ion battery unit needs to be replaced, further avoiding detaching the busbar from the lug, further ensuring the firm connection between the busbar and the lug, protecting the safety of the lug, facilitating the replacement of the lithium ion battery unit, selecting two busbars according to the rated voltage of electric equipment when the lithium ion battery pack needs to be used for supplying power to other electric equipment, screwing the second bolt 6 upwards, and connecting the second bolt 6 with the electric equipment through an electric wire, therefore, the lithium ion battery pack is used for supplying power to the electric equipment, free selective connection can be carried out according to the voltage required by the electric equipment, the electric equipment can be automatically adjusted according to different voltage requirements, and the lithium ion battery can be used for using various electric equipment.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a low-cost high-efficient aluminium busbar, includes the busbar body, its characterized in that: the busbar body comprises a busbar main body (1), the busbar main body (1) comprises a busbar I and a busbar II, a bottom plate (2) is welded at the bottom of the busbar main body (1), transverse plates (13) and side plates (15) are welded at two sides of the bottom plate (2) respectively, a top plate (8) is welded at the top of the bottom plate (2), a bolt I (3) is installed on the bottom plate (2), a clamping sleeve (4) is welded at the top of the bottom plate (2), a groove (5) is formed in the top plate (8), a screw hole (7) is formed in the bottom of the groove (5), a bolt II (6) is installed on the inner side of the screw hole (7), a top hole (14) is formed in the top plate (8), a screw I (9) is welded at one side of the busbar I, a through hole I (12) is formed in one side of the busbar II, a screw II (16) is welded at one, and a second through hole (17) is formed in one side of the second busbar, and a nut (10) and a gasket (11) are sleeved on the first screw (9) and the second screw (16).

2. A low cost high performance aluminum busbar as claimed in claim 1, wherein: the first screw (9) is matched with the second through hole (17), and the second screw (16) is matched with the first through hole (12).

3. A low cost high performance aluminum busbar as claimed in claim 1, wherein: the first screw (9) and the second screw (16) are both provided with a first external thread, the nut (10) is provided with a first internal thread, and the first external thread is matched with the first internal thread.

4. A low cost high performance aluminum busbar as claimed in claim 1, wherein: the cutting sleeve (4), the bottom plate (2) and the screw hole (7) are internally provided with a second internal thread, the second bolt (6) is provided with a second external thread, and the second internal thread is matched with the second external thread.

5. A low cost high performance aluminum busbar as claimed in claim 1, wherein: the top hole (14) is formed in the top of the first bolt (3), and the clamping sleeve (4) is arranged at the bottom of the screw hole (7).

6. A low cost high performance aluminum busbar as claimed in claim 1, wherein: the bottom plate (2) is provided with a through hole, and the first bolt (3) penetrates through the through hole and extends to the bottom of the bottom plate (2).

7. a low cost high performance aluminum busbar as claimed in claim 1, wherein: the transverse plate (13) and the side plate (15) are welded at the bottom of the top plate (8), a notch is formed in one side of the top plate (8), and the bus bar main body (1) is an aluminum bus bar.