CN207781714U - Compound conductive bar - Google Patents
Compound conductive bar Download PDFInfo
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- CN207781714U CN207781714U CN201820073121.2U CN201820073121U CN207781714U CN 207781714 U CN207781714 U CN 207781714U CN 201820073121 U CN201820073121 U CN 201820073121U CN 207781714 U CN207781714 U CN 207781714U
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- section
- conductive bar
- groove
- aluminium anode
- compound conductive
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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 is suitable for lithium battery module technical field, provide a kind of compound conductive bar, the copper cathode section being connected including aluminium anode section and with the aluminium anode section, the aluminium anode section is equipped with for the positive groove for positive pole ear grafting, the copper cathode section is equipped with for the cathode groove for negative lug grafting, and the aluminium anode section and/or copper cathode section are equipped with for the plugboard mating with the female plug line terminals of voltage acquisition line.Compound conductive bar provided by the utility model is compared with the welding of the prior art is conductively connected, by the way that the plugboard mating with the female plug line terminals of voltage acquisition line is arranged, plugboard is set conveniently to be inserted into female plug line terminals, and it is clamped therewith, formation is firmly conductively connected, it is easy to operate, quick, eliminate the operation that welding is conductively connected.
Description
Technical field
The utility model belongs to lithium battery module technical field, is to be related to a kind of compound conductive bar more specifically.
Background technology
With the fast development in power battery market, the demand of electrical source of power is increasing.Due to the appearance of single battery
Amount, voltage, electric current cannot all meet the requirement of power battery power supply, and electrical source of power is typically all to be combined into electricity by single battery
Pond module, then battery module is assembled into electrical source of power.Since the voltage and current needed for electrical source of power is all very high, usually need
Many monomers are wanted to pass through series connection and parallel combination to realize the assembling of battery module and electrical source of power.
The series connection and parallel connection of battery are usually carried out by compound conductive bar, and compound conductive bar includes an aluminium anode
Section and the copper cathode section of (and being conductively connected) of being connected with aluminium anode section, aluminium anode section for positive pole ear equipped with for being inserted into
Positive groove, copper cathode section is equipped with cathode groove for being inserted into for negative lug.In order to monitor the state of lithium battery, need
The information of voltage that lithium battery is processed by voltage acquisition line is conducted to battery management system, by battery management system to battery mould
Block progress charge and discharge control is put to avoid overcharging and crossing for lithium battery.The connecting terminal of prior art voltage acquisition line passes through welding
Mode is fixed on compound conductive bar, but using welding manner, mutually fixation can have equipment throwing between connecting terminal and busbar
Enter the disadvantages such as big, complex process, quality are not easy to control, efficiency is low.
Utility model content
The purpose of this utility model is to provide a kind of compound conductive bars, it is intended to solve compound conductive bar in the prior art
Between voltage acquisition line because need weld be conductively connected due to caused by be conductively connected the cumbersome technical problem of process.
To achieve the above object, the technical solution adopted in the utility model is：Compound conductive bar, including aluminium anode section and with
The connected copper cathode section of the aluminium anode section, the aluminium anode section are equipped with for the positive groove for positive pole ear grafting, institute
State copper cathode section be equipped be equipped with for the cathode groove for negative lug grafting, the aluminium anode section and/or copper cathode section
For the plugboard mating with the female plug line terminals of voltage acquisition line.
Further, the plugboard is integrally formed with the aluminium anode section or the copper cathode section punching press.
Further, the bottom of the positive groove and the cathode groove is both provided with measurement through-hole.
Further, the surface of the aluminium anode section and the copper cathode section is equipped with nickel coating or tin coating.
Further, the aluminium anode section is equipped with identifying hole.
Further, one end of the aluminium anode section is equipped with the first web portion, and one end of the copper cathode section is equipped with the
Two web portion, first web portion and second web portion overlap and by ultrasonic bonding and insulation rivetings
Nail is connected.
Further, the positive groove is triangle or trapezoidal groove structure.
Further, the cathode groove is triangle or trapezoidal groove structure.
Compound conductive bar provided by the utility model passes through setting and voltage compared with the welding of the prior art is conductively connected
The mating plugboard of the female plug line terminals of gathering line, allows plugboard to be conveniently inserted into female plug line terminals,
And be clamped therewith, formation is firmly conductively connected, easy to operate, quick, eliminates the operation that welding is conductively connected.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new
Some embodiments of type for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram for the compound conductive bar that the utility model embodiment provides；
Fig. 2 is the structural schematic diagram of positive groove in Fig. 1；
Wherein, each reference numeral in figure：
1, compound conductive bar；11, aluminium anode section；111, positive groove；112, the first web portion；12, copper cathode section；
121, cathode groove；122, the second web portion；13, plugboard；14, through-hole is measured；15, identifying hole；16, insulated rivet.
Specific implementation mode
In order to make technical problem to be solved in the utility model, technical solution and advantageous effect be more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that term " length ", " width ", " height ", " thickness ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " head ", " tail " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand
For limitations of the present invention.
It should also be noted that, unless otherwise clearly defined and limited, " installation ", " connected ", " connection ", " fixation ",
Terms such as " settings " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be with
It is mechanical connection, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two
The interaction relationship of connection or two elements inside a element.For the ordinary skill in the art, Ke Yigen
Understand the concrete meaning of above-mentioned term in the present invention according to concrete condition.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature." multiple ", " several " are meant that two in the description of the present invention,
Or it is more than two, unless otherwise specifically defined.
Lithium ionic cell module, including by lithium ion soft-package battery and compound conductive bar, lithium ion battery include aluminum just
The quantity of pole lug and copper negative lug, lithium ion soft-package battery is 2n (n is the integer more than or equal to 1), per n battery
The mode opposite with positive pole ear according to positive pole ear, negative lug is opposite with negative lug is ranked sequentially composition battery row successively
Column unit, two battery-arrangements units place comprising modules pole group side by side according to the positive pole ear mode opposite with negative lug,
Every side of module pole group all n positive pole ear and n negative lug with laid out in parallel, it is recessed that positive pole ear is inserted into anode
It needs to be welded to connect after slot, negative lug, which is inserted into after cathode groove, also to be needed to be welded to connect.
Fig. 1 is referred to, now the embodiment of compound conductive bar provided by the utility model is illustrated.Compound conductive bar packet
The copper cathode section 12 for including aluminium anode section 11 and being connected with aluminium anode section 11, aluminium anode section 11 is connected with copper cathode section 12 refers to reality
Body is connected and conduction is connected.Aluminium anode section 11 be aluminium sheet either the aluminium alloy plate aluminium sheet or aluminium alloy plate by rolling over upwards
Camber arch rises and forms notch positive groove 111 directed downwardly in plate face, and the quantity of positive groove 111 is n a (with positive pole ear
Quantity is equal), plate length direction is extended perpendicularly to, and be arranged in parallel between each other；Copper cathode section is copper coin, and material is red copper
T2, which is arched upward by upward bending forms notch cathode groove 121 downward, and the quantity of cathode section groove 121 is n
(equal with negative lug quantity) extends perpendicularly to plate length direction, and is arranged in parallel between each other.Aluminium anode section 11 and/
Or copper cathode section 12 is equipped with for the plugboard 13 mating with the female plug line terminals of voltage acquisition line, is not difficult to manage certainly
Solution, is arranged what the plugboard 13 in aluminium anode section 11 was necessarily conductively connected with aluminium anode section 1, is arranged in copper cathode section 12
Plugboard 13 be necessarily conductively connected with copper cathode section 12.Connect for conductive correspondingly, one end of voltage acquisition line is equipped with
The female plug line terminals (i.e. female plug direct type line nose, be usually crimped on voltage acquisition line) connect, plugboard 13 is inserted into
It in female plug line terminals, and is clamped therewith, formation is firmly conductively connected, and grafting and extraction are all very convenient.
The compound conductive bar that the utility model embodiment provides passes through setting compared with the welding of the prior art is conductively connected
The mating plugboard with the female plug line terminals of voltage acquisition line, allows plugboard to be conveniently inserted into female plug line end
It in son, and is clamped therewith, formation is firmly conductively connected, easy to operate, quick, eliminates the operation that welding is conductively connected.
Further, Fig. 1 is referred to, plugboard 13 is integrally formed with aluminium anode section 11 or copper cathode section 12 for punching press,
That is when plugboard 13 is arranged in aluminium anode section 11, plugboard 13 is by punching mode and is aluminium anode section 11 1
Body punch forming；When plugboard 13 is arranged in copper cathode section 12, plugboard 13 is by punching mode and is copper cathode section
12 integrated punchings are molded.
Further, Fig. 1 is referred to, the bottom of positive groove 111 and cathode groove 121, which is both provided with, measures through-hole 14,
Positive groove 111 and cathode groove 121 are all that bending is arched upward raising up of being formed, and are arranged in the structure that this raises up
Gap is exactly to measure through-hole 222, measure through-hole 222 can make insertion anode groove 111 or cathode groove 121 positive pole ear or
Negative lug can expose a part from measuring in through-hole 222, in order to observe lug top and positive groove 111 or cathode
Whether the gap of 121 bottom of groove excessive, so judge between lug and compound conductive bar 1 whether firm welding.
Further, the surface of aluminium anode section 11 and copper cathode section 12 is equipped with nickel coating or tin coating.Due to lug with
The welding manner of aluminium anode section 11 or copper cathode section 12 may be laser welding, to reduce reflection of the compound conductive bar to laser
Rate can plate on the surface of aluminium anode section 11 and copper cathode section 12 and set nickel coating or tin coating.
Further, Fig. 1 is referred to, as a kind of specific implementation mode of compound conductive bar provided by the utility model,
Aluminium anode section 11 is equipped with identifying hole 15, to be different from copper cathode section 12 (identifying hole 15 is not arranged in copper cathode section 12).
Further, Fig. 1 is referred to, one end of aluminium anode section 11 is equipped with the first web portion 112, and the one of copper cathode section 12
End is equipped with the second web portion 122, and aluminium anode section 11 and copper cathode section 12 are by the first web portion 112 and the second connecting plate
Portion 122 carries out entity connection and is conductively connected, and the first web portion 112 and the second web portion 122 overlap and by super
Sound wave welds and insulated rivet 16 is connected.First web portion 112 and the second web portion 122 only by supersonic welding in succession
It connects, it is possible that the problem that bonding strength is not high, so the first web portion 112 and the second web portion 122 are except ultrasound
Wave is welded to connect outer, the another riveting for increasing insulated rivet 16 and carrying out the first web portion 112 and the second web portion 122, certainly
Here should match with the riveting of insulated rivet 16 it can be appreciated that being necessarily equipped in the first web portion 112 and the second web portion 122
The via of conjunction.
Further, Fig. 1 and Fig. 2 are referred to, a kind of specific implementation as compound conductive bar provided by the utility model
Mode, positive groove 111 is triangle or trapezoidal groove structure, that is, the section of positive groove 111 is triangle or ladder
Shape, the gap (opening) formed between two cell walls of positive groove 111 is from large to small, positive pole ear can be made to be inserted into this way
It is gradual clamping when positive groove 111 and fixed, is convenient for the insertion operation of positive pole ear.
Further, Fig. 1 and Fig. 2 are referred to, a kind of specific implementation as compound conductive bar provided by the utility model
Mode, cathode groove 121 is similar with the structure of positive groove 111 and triangle or trapezoidal groove structure, that is, cathode is recessed
The section of slot 121 is triangle or trapezoidal, and the gap (opening) between two cell walls of composition cathode groove 121 is by becoming greatly
It is small, negative lug can be made to be gradual clamping when being inserted into cathode groove 121 and fixed in this way, grasped convenient for the insertion of negative lug
Make.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (8)
1. compound conductive bar, including aluminium anode section and the copper cathode section that is connected with the aluminium anode section, set in the aluminium anode section
It is useful for the positive groove for positive pole ear grafting, the copper cathode section is equipped with recessed for the cathode for negative lug grafting
Slot, it is characterised in that：The aluminium anode section and/or copper cathode section are equipped with for the female plug line terminals grafting with voltage acquisition line
The plugboard of cooperation.
2. compound conductive bar as described in claim 1, it is characterised in that：The plugboard and the aluminium anode section are described
Copper cathode section punching press is integrally formed.
3. compound conductive bar as described in claim 1, it is characterised in that：The bottom of the anode groove and the cathode groove
It is both provided with measurement through-hole.
4. compound conductive bar as described in claim 1, it is characterised in that：The surface of the aluminium anode section and the copper cathode section
Equipped with nickel coating or tin coating.
5. compound conductive bar as described in claim 1, it is characterised in that：The aluminium anode section is equipped with identifying hole.
6. the compound conductive bar as described in any one of claim 1-5, it is characterised in that：One end of the aluminium anode section is equipped with
One end of first web portion, the copper cathode section is equipped with the second web portion, and first web portion and described second connect
Fishplate bar portion overlaps and is connected by ultrasonic bonding and insulated rivet.
7. compound conductive bar as described in claim 1, it is characterised in that：The anode groove is triangle or trapezoidal groove knot
Structure.
8. compound conductive bar as claimed in claim 1 or 7, it is characterised in that：The cathode groove is triangle or trapezoidal recessed
Slot structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820073121.2U CN207781714U (en) | 2018-01-16 | 2018-01-16 | Compound conductive bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820073121.2U CN207781714U (en) | 2018-01-16 | 2018-01-16 | Compound conductive bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207781714U true CN207781714U (en) | 2018-08-28 |
Family
ID=63213040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820073121.2U Active CN207781714U (en) | 2018-01-16 | 2018-01-16 | Compound conductive bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207781714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109638220A (en) * | 2018-11-26 | 2019-04-16 | 蚌埠南实科技有限公司 | A kind of punching type bulk electrode piece and preparation method thereof |
-
2018
- 2018-01-16 CN CN201820073121.2U patent/CN207781714U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109638220A (en) * | 2018-11-26 | 2019-04-16 | 蚌埠南实科技有限公司 | A kind of punching type bulk electrode piece and preparation method thereof |
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| GR01 | Patent grant |