CN203690395U - Power battery connector and power battery pack thereof - Google Patents
Power battery connector and power battery pack thereof Download PDFInfo
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- CN203690395U CN203690395U CN201320844737.2U CN201320844737U CN203690395U CN 203690395 U CN203690395 U CN 203690395U CN 201320844737 U CN201320844737 U CN 201320844737U CN 203690395 U CN203690395 U CN 203690395U
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- electrokinetic cell
- brace
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- cell connector
- copper
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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
On one hand, the utility model provides a power battery connector to overcome the problems that copper and aluminum are joined by adopting an explosion welding manner to achieve the aim that a power battery and a metal connection plate are welded by the same metal to ensure the welding effect in the prior art, resulting in high cost, and the welded part is easily broken. The power battery connector comprises a metallic woven belt, an anode connection plate connected with an anode terminal and a cathode connection plate connected with a cathode terminal, wherein a pressure welding section and a battery connection section are arranged on the anode connection plate and the cathode connection plate; a pressure welding hole is formed in the pressure welding section; one end of the metallic woven belt is inserted and welded into the pressure welding hole in the anode connection plate in a pressing manner; the other end is inserted and welded into the pressure welding hole in the cathode connection plate in the pressing manner. By adopting the power battery connection plate provided by the embodiment of the utility model, the welding strength is ensured, reliable connection between the power battery and the power battery connector is ensured, and meanwhile, the cost of the power battery connector is effectively reduced.
Description
Technical field
The utility model relates to electrokinetic cell field, especially refers to the electrokinetic cell connector of the adjacent electrokinetic cell of connection in power battery pack.
Background technology
Power battery pack is as one of core component of hybrid electric vehicle and pure electric vehicle, day by day by auto vendor and battery producer are paid attention to.Power battery pack comprises that some electrokinetic cell electrical connections form, and adopt electrokinetic cell connector to be connected between adjacent power battery pack.For electrokinetic cell and electrokinetic cell connector, applicant has done numerous innovations on structure and material at present.But consider from fail safe, cost equal angles, we still, continuing innovation, make every effort to accomplish more perfect.
As everyone knows, electrokinetic cell is provided with electrode terminal, and this electrode terminal can be the shapes such as column or sheet, electrode terminal is due to the difference of polarity, be divided into positive terminal and negative terminal, general positive terminal is that aluminum is made, and negative terminal is made by copper product.Between existing electrokinetic cell and electrokinetic cell the most common connected mode be by metal connecting sheet (such as aluminium brace) and two electrode terminals respectively laser welding complete, because two electrode terminals adopt dissimilar metal, the positive terminal of making for aluminum on one side, the negative terminal of making for copper product on one side, and laser welding poor effect between the dissimilar metal of aluminium brace and copper product, junction is oxidizable, causes contact resistance to increase, and affects it and connects effect etc.
For this reason, be respectively aluminium pole and copper-base post as example take positive terminal and negative terminal, existing improved mode is at one section of aluminum of the upper end of copper-base post explosive welding (EW) welding in the above, this copper-base post is also become to aluminium pole, thereby can use aluminium brace by two aluminium pole laser welding, meet our requirement to weld strength, guarantee its welding effect.
But this kind of mode be connected owing to need to adopting the mode of explosive welding (EW) to realize copper aluminium, and the cost of explosive welding (EW) is higher, and stock utilization is very low.Explosive welding (EW) also has a drawback: because the copper coin for explosive welding (EW) and aluminium sheet are all larger sheet material, after welding, copper aluminium is connected the bad detection of intensity, and the detection mode that we adopt is, is processed into sampling observation welding pulling force after pole, has like this limitation.We find the pole after explosive welding (EW) in the time making battery and carry out vibration test, the phenomenon that part exists copper coin and aluminium sheet to disconnect, and this is a very large hidden danger.
Utility model content
Adopt metal solder of the same race to guarantee its welding effect for overcoming in prior art for realizing between electrokinetic cell and metal connecting sheet, and the mode that adopts explosive welding (EW) is connected copper aluminium, cause the problem that its cost is higher and weld easily disconnects, the utility model embodiment provides a kind of electrokinetic cell connector and power battery pack thereof.
The utility model embodiment on the one hand provides a kind of electrokinetic cell connector, comprises metallic braid, for the positive strap that is connected with positive terminal and negative pole brace for being connected with negative terminal;
On described positive strap and described negative pole brace, be equipped with pressure welding portion and battery connecting portion; Described pressure welding portion is provided with pressure welding hole;
In one end insertion the pressure welding hole of pressure welding in described positive strap of described metallic braid, in other end insertion the pressure welding hole of pressure welding on described negative pole brace.
The electrokinetic cell brace that the utility model embodiment provides, because it adopts the middle metallic braid that arranges, both sides difference pressure welding connects the mode of negative pole brace and positive strap, can be by the positive terminal welding of the positive strap of this electrokinetic cell connector and electrokinetic cell, the negative terminal welding of negative pole brace and electrokinetic cell, pressure welding connects makes the connection of metallic braid and positive strap, negative pole brace more firm, simultaneously, pressure welding can also reduce the internal resistance of electrokinetic cell connector, thereby is equivalent to indirectly promote electrokinetic cell capacity.
Preferably, described positive terminal is aluminium terminal, and described positive strap is aluminium brace; Described negative terminal is copper tip, and described negative pole brace is copper brace.
When installation, aluminium brace and aluminium terminal welding, copper brace and copper tip welding, so can avoid the shortcoming of not prison welding between dissimilar metal, adopt intermetallic welding of the same race, guarantee weld strength, guarantee that electrokinetic cell is connected with the reliable of electrokinetic cell connector, effectively reduces the cost of its electrokinetic cell connector simultaneously.
Preferably, described metallic braid is copper braid over braid.
Preferably, described copper brace is that copper pipe obtains in die for molding, and described aluminium brace is that aluminum pipe obtains in die for molding; Described metallic braid is formed by multiply fine wire interlacing.This kind of scheme can be very simple acquisition copper brace and aluminium brace, cost is very low.
Preferably, described positive strap be provided with electrokinetic cell on the suitable electrode mating hole of positive terminal, described negative pole brace be provided with electrokinetic cell on the suitable electrode mating hole of negative terminal.
Preferably, on the battery connecting portion of described positive strap and negative pole brace, be equipped with the collection hole that gathers terminal for riveting.
Preferably, state copper brace surface and be coated with tin layer, described aluminium brace surface is provided with anodic oxide coating.This kind of mode can further be protected electrokinetic cell brace, prevents that in use extraneous poor environment from causing the injuries such as corrosion to it.
Preferably, the surface of described copper braid over braid is coated with tin layer.
Preferably, the thickness of the battery connecting portion of described positive strap and negative pole brace is 1-3mm.
The utility model embodiment second aspect provides a kind of power battery pack, comprise the electrokinetic cell of some mutual series connection and be electrically connected the power connector of adjacent two electrokinetic cells, the power connector that described power connector is above-mentioned, the positive strap of described power connector is electrically connected with the positive terminal of electrokinetic cell, and the negative pole brace of described power connector is electrically connected with the negative terminal of electrokinetic cell.
The power battery pack that the utility model embodiment provides, owing to having adopted the improved electrokinetic cell connector adjacent electrokinetic cell of connecting, improve the intensity of its electrical connection, make to connect more firm, adopt the mode of pressure welding to reduce the internal resistance of electrokinetic cell connector, thereby be equivalent to indirectly promote electrokinetic cell capacity, meanwhile, adopt the utility model mode effectively to reduce the cost of its power battery pack.
Preferably, on the positive strap of described electrokinetic cell connector or negative pole brace, there is collection terminal by the riveted joint of described collection hole.Adopt this kind of mode, can, by the mode of riveted joint, on electrokinetic cell connector, be electrically connected very easily collection terminal, realize electrokinetic cell is sampled.
Accompanying drawing explanation
Fig. 1 is the electrokinetic cell connector schematic diagram that the utility model embodiment provides;
Fig. 2 is the cell connector that the utility model embodiment provides;
Fig. 3 is that the electrokinetic cell connector that the utility model embodiment provides uses view;
Fig. 4 is the power battery pack connection diagram that the utility model embodiment provides.
Wherein, 1, brace; 1a, aluminium brace; 1b, copper brace; 2, metallic braid; 3, electrokinetic cell; 11, pressure welding portion; 12, battery connecting portion; 13, electrode mating hole; 14, gather hole; 11a, aluminium pressure welding portion; 12a, aluminium connecting portion; 11b, copper pressure welding portion; 12b, copper connecting portion; 3a, positive terminal; 3b, negative terminal; 31, housing; 32, cover plate; 33, liquid injection hole; 34, explosion-proof valve; 35, gather terminal; 10, pressure welding hole; 100, electrokinetic cell connector.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
This example will be carried out specific explanations explanation to electrokinetic cell connector 100.As shown in Figure 1, the electrokinetic cell connector 100 that this example provides, comprises metallic braid 2, two braces 1, and wherein two braces are respectively positive strap for being connected with positive terminal and negative pole brace for being connected with negative terminal;
Wherein positive strap is aluminium brace 1a, and described negative pole brace is copper brace 1b;
As shown in Figure 2, described brace 1 is provided with pressure welding portion 11 and battery connecting portion 12; Be to be equipped with pressure welding portion 11 and battery connecting portion 12 on described positive strap and described negative pole brace; Described pressure welding portion 11 is provided with pressure welding hole 10;
As shown in Figure 1, insert in the pressure welding hole 10 in described negative pole brace (being copper brace 1b in this example) and described positive strap (being aluminium brace 1a in this example) at described metallic braid 2 two ends, is connected with described copper brace 1b and described aluminium brace 1a pressure welding.
So-called pressure welding refers to utilize when welding to apply certain pressure and the method that completes welding, claims again Pressure Welding.When welding, utilize pressure to make the surface at position to be welded at solid-state lower direct close contact, and the temperature at position to be welded is raise, by regulating temperature, pressure and time, welding surface is fully spread and realize combination between atom.
Metallic braid 2 adopts wire cross braiding to form, and is netted, has certain toughness and flexibility, meets certain current-carrying requirement simultaneously.Preferably, can weave the copper braid over braid forming for the thin copper wire that adopts diameter 0.08mm-0.2mm.The thin copper wire braiding that the copper braid over braid adopting such as this example is 0.1mm by diameter forms.When electrokinetic cell connector 100 uses, as shown in Figure 3, in the middle of metallic braid 2, up arches upward, having met needs between the electrokinetic cell of monomer and electrokinetic cell has the requirement of certain cushioning effect.When this kind of mode can be avoided jolting because of the vehicle that the unequal extraneous factor of road conditions causes, occur that electrokinetic cell connector 100 is because rocking of producing between electrokinetic cell and electrokinetic cell pullled mutually the risk disconnecting.Simultaneously, power battery pack is after repeatedly discharging and recharging, housing of power cell there will be the phenomenon of slight swell, cause the thickness difference between electrokinetic cell, when arrangement, electrokinetic cell upper electrode terminal is also just different from the centre-to-centre spacing of electrode terminal, the metallic braid 2 that arches upward is fine can play good cushioning effect, prevent because centre-to-centre spacing between above-mentioned electrode terminal and electrode terminal changes, and the electrokinetic cell connector 100 causing is pullled the generation that disconnects phenomenon.
As preferred embodiment, in this example, be coated with tin layer at described copper brace 1b and described copper braid over braid surface, described aluminium brace 1a surface is provided with anodic oxide coating.This kind of mode can further be protected electrokinetic cell connector 100, reduces the phenomenon that electrokinetic cell connector 100 is corroded in air, improves the useful life of electrokinetic cell connector 100, and the copper braid over braid after zinc-plated can also keep its soft characteristic.This anodic oxide coating is processed formation by do true qualities anode on aluminium brace 1a surface.
The battery connecting portion 12 of above-mentioned brace 1 is a sheet of coupling part, and this part is used to be electrically connected with the electrode terminal of electrokinetic cell, therefore, and is not limited to specific shape, as long as it can be electrically connected with the electrode terminal of electrokinetic cell.Pressure welding portion 11 on brace 1 is used for carrying out pressure welding connection, for making pressure welding effect better, in this pressure welding portion 11, is provided with pressure welding hole 10.Therefore seem that the thickness of this part is greater than the thickness of battery connecting portion 12, make this cell piece totally seem to be step-like.The thickness H of the battery connecting portion 12 on this brace 1 is 1-3mm.
As one preferred embodiment, described copper brace 1b is that copper pipe obtains in die for molding, and described aluminium brace 1a is that aluminum pipe obtains in die for molding.Its process is larger for copper pipe (preferably copper pipe) and aluminum pipe (being preferably aluminium pipe) are squeezed into respectively to the right thickness shown in Fig. 2 in mould, have the pressure welding portion 11 in pressure welding hole 10, the other end forms the battery connecting portion 12 of the left side flat shown in Fig. 2.This kind of scheme can be very simple acquisition copper brace 1b and aluminium brace 1a, cost is very low.
Certainly, also can adopt a sheet copper sheet and sheet aluminium flake, will after its doubling, become the brace 1 shown in Fig. 2 in die for molding.Also can adopt other modes to make acquisition, be provided with pressure welding hole 10 as long as it includes the 11(of pressure welding portion on it) and battery connecting portion 12.
Concrete, as shown in Figure 1, for the purpose of describing, the pressure welding portion 11 on described copper brace 1b is called to the copper pressure welding 11b of portion, the battery connecting portion 12 on copper brace 1b is called to copper connecting portion 12b; Pressure welding portion 11 on described aluminium brace 1a is called to the aluminium pressure welding 11a of portion, the battery connecting portion 12 on aluminium brace 1a is called to aluminium connecting portion 12a.The copper pressure welding 11b of portion on described copper brace 1b is connected with described metallic braid 2 one end pressure weldings, and the aluminium pressure welding 11a of portion on described aluminium brace 1a is connected with described metallic braid 2 other end pressure weldings.
As a kind of preferred implementation, as shown in Figure 2, described positive strap be provided with electrokinetic cell on the suitable electrode mating hole 13 of positive terminal 3a, described negative pole brace be provided with electrokinetic cell on the suitable electrode mating hole 13 of negative terminal 3b.The battery connecting portion 12 that is described aluminium brace 1a and described copper brace 1b is provided with the electrode mating hole 13 suitable with electrokinetic cell upper electrode terminal.Adopt above-mentioned electrode mating hole 13, can realize being more easily electrically connected of electrokinetic cell connector 100 and power battery anode terminal 3a and negative terminal 3b, and its connection is more reliable.
Particularly, as shown in Figure 1, described electrode mating hole 13 is divided into anodal mating hole and negative pole mating hole; Described negative pole mating hole is arranged on the battery connecting portion 12 of described copper brace 1b, is arranged on described copper connecting portion 12b upper, and described anodal mating hole is arranged on the battery connecting portion 12 of described aluminium brace 1a, is arranged on described aluminium connecting portion 12a; Its anodal mating hole for electrokinetic cell on positive terminal 3a erection welding, its negative pole mating hole for electrokinetic cell on negative terminal 3b erection welding.Described anodal mating hole and described negative pole mating hole in different size.Such as the negative pole mating hole on copper brace 1b is less, and anodal mating hole on aluminium brace 1a is larger, adopts this kind of mode, can prevent that electrokinetic cell connector 100 is anti-loaded.When anti-loaded, because negative pole mating hole is less, it cannot pack on positive terminal.
As shown in Figure 2, this example is also established the collection hole 14 that gathers terminal 35 for riveting on the battery connecting portion 12 of described brace 1, on the battery connecting portion 12 of described positive strap and negative pole brace, be equipped with the collection hole 14 that gathers terminal 35 for riveting, this collection hole 14 can gather terminal 35 for riveted joint.
The electrokinetic cell connector 100 of the above-mentioned optimization that this example provides, concrete manufacture process is as follows: after the round copper pipe cutting by wall thickness 1mm, put into die for molding and go out to have the copper brace 1b in pressure welding hole 10; After round aluminum pipe cutting by wall thickness 1mm, put into die for molding and go out to have the aluminium brace 1a in pressure welding hole 10; Multiply thin copper wire is woven into copper braid over braid; At copper brace 1b and copper braid over braid electroplating surfaces with tin, and do the processing of true qualities anode on aluminium brace 1a surface.Then the two ends of copper braid over braid are inserted respectively in the pressure welding hole 10 on copper brace 1b and aluminium brace 1a, put into press welder and carry out pressure welding.
The electrokinetic cell connector 100 that this example provides, because it adopts the middle metallic braid 2 that arranges, both sides difference pressure welding connects the mode of negative pole brace and positive strap, can be by the positive terminal welding of the aluminium matter of the positive strap of this electrokinetic cell connector 100 and electrokinetic cell, the copper negative terminal welding of negative pole brace and electrokinetic cell, so can avoid the shortcoming of not prison welding between dissimilar metal, adopt intermetallic welding of the same race, guarantee weld strength, guarantee that electrokinetic cell is connected with the reliable of electrokinetic cell connector 100, its electrokinetic cell connector 100 costs are effectively reduced simultaneously.Simultaneously pressure welding connects makes the connection of metallic braid 2 and positive strap 1b, negative pole brace more firm, and meanwhile, pressure welding can also reduce the internal resistance of electrokinetic cell connector 100, thereby is equivalent to indirectly promote electrokinetic cell capacity.
Embodiment 2
This example will be carried out specific explanations explanation to power battery pack.As described in Figure 4, the power battery pack that this example provides, comprises the electrokinetic cell 3 of some mutual series connection and is electrically connected the electrokinetic cell connector 100 of adjacent two above-mentioned adjacent electrokinetic cells 3; The positive strap of described electrokinetic cell connector 100 is electrically connected with the positive terminal 3a of electrokinetic cell 3, and the negative pole brace of described power connector 100 is electrically connected with the negative terminal 3b of electrokinetic cell 3.
Particularly, described electrokinetic cell 3 is formed a line, and make the positive terminal 3a of adjacent electrokinetic cell 3 and negative terminal 3b mutually close; Described electrokinetic cell connector 100 is by close positive terminal 3a and negative terminal 3b electrical connection mutually on two adjacent electrokinetic cells 3.
In this example, some electrokinetic cells 3 are connected, therefore need the opposite polarity electrode terminal electrical connection of adjacent electrokinetic cell 3, only on front and the most last electrokinetic cell 3, sky reserves a positive terminal 3a and a negative terminal 3b respectively, using the interface as external.
As shown in Figure 4, so-called " make the positive terminal 3a of adjacent electrokinetic cell 3 and negative terminal 3b mutually close "; Oppositely place by adjacent electrokinetic cell 3, so-called reverse placement, please refer to Fig. 4 and understands, and supposes that electrokinetic cell top in figure 3, for first electrokinetic cell 3, is followed successively by second, the 3rd, a N electrokinetic cell 3 from the top down; The direction of placing such as first electrokinetic cell 3 is that left electrodes terminal is that positive terminal 3a, right electrodes terminal are negative terminal 3b; The direction that second electrokinetic cell 3 placed is just the opposite, and its right electrodes terminal is that positive terminal 3a, left electrodes terminal are negative terminal 3b; , by that analogy.So, arranging as follows appears in the electrode terminal in the 3 groups of left sides of electrokinetic cell after making to arrange: be followed successively by from top to bottom positive terminal 3a, negative terminal 3b, positive terminal 3a, negative terminal 3b And arranging as follows appears in the electrode terminal on power battery pack right side: be followed successively by from top to bottom negative terminal 3b, positive terminal 3a, negative terminal 3b, positive terminal 3a ...So, make 3 of adjacent electrokinetic cells, be opposite polarity situation at the electrode terminal of the same side, therefore can adopt this electrokinetic cell connector 100 to connect.This arrangement mode is conventionally known to one of skill in the art, therefore repeats no more.
Electrokinetic cell 3 generally comprises housing 31, cover plate 32 and is packaged in pole piece, the electrolyte in housing 31, cover plate 32; Positive terminal 3a, negative terminal 3b operated by rotary motion, on this cover plate 32, and insulate with cover plate 32.Pole piece is positive plate, barrier film, negative plate coiling or is laminated.Meanwhile, on this cover plate 32, be generally also provided with the structure such as explosion-proof valve 34, liquid injection hole 33.This is conventionally known to one of skill in the art, repeats no more.
Preferably, also on the brace of described electrokinetic cell connector 100, have by 14 riveted joints of described collection hole the terminal 35 of collection.Because this electrokinetic cell connector 100 is electric connecting parts, therefore it,, as long as riveting a collection terminal 35 on a connecting piece arbitrarily, gathers terminal 35 without rivet two on electrokinetic cell connector 100.Ratio as shown in Figure 4, on the aluminium brace 1a of this electrokinetic cell connector 100, rivet the English full name of NTC(: Negative Temperature CoeffiCient, Chinese full name: negative temperature coefficient heat-sensitive) collection terminal, the other end that this NTC gathers terminal is connected to wiring board, to gather loop temperature rise and the voltage of electrokinetic cell 3.Adopt this kind of mode, can, by the mode of riveted joint, on electrokinetic cell connector 100, be electrically connected very easily collection terminal 35, realize electrokinetic cell 3 is sampled.
When installation, after electrokinetic cell 3 is arranged by Fig. 4 mode, on opposite polarity two electrode terminals of two adjacent electrokinetic cells 3, weld this electrokinetic cell connector 100.Such as, as shown in Figure 4, by the anodal mating hole on the aluminium brace 1a of an electrokinetic cell connector 100, the positive terminal 3a that aims at first electrokinetic cell 3 left sides carries out laser welding; By the negative pole mating hole on the copper brace 1b of electrokinetic cell connector 100, the negative terminal of aiming at second electrokinetic cell 3 left side carries out laser welding.Then by the anodal mating hole on the aluminium brace 1a of an electrokinetic cell connector 100, the positive terminal 3a that aims at second electrokinetic cell 3 right side carries out laser welding; By the negative pole mating hole on the copper brace 1b of electrokinetic cell connector 100, the negative terminal 3b that aims at the 3rd electrokinetic cell 3 right sides carries out laser welding, by that analogy.Final only two opposite polarity electrode terminals of first and last electrokinetic cell 3 in figure are drawn to the interface as outside power supply.Then, then with rivet, NTC is gathered to terminal and aluminium brace 1a and be riveted together, the other end that NTC is gathered to terminal is welded on FPC plate.
The power battery pack that this example provides, owing to having adopted the improved electrokinetic cell connector 100 adjacent electrokinetic cell 3 of connecting, improve the intensity of its electrical connection, make to connect more firm, adopt the mode of pressure welding to reduce the internal resistance of electrokinetic cell connector 100, thereby be equivalent to indirectly promote electrokinetic cell 3 capacity, meanwhile, adopt the utility model mode effectively to reduce the cost of its power battery pack.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (11)
1. an electrokinetic cell connector, is characterized in that, comprises metallic braid, for the positive strap that is connected with positive terminal and negative pole brace for being connected with negative terminal;
On described positive strap and described negative pole brace, be equipped with pressure welding portion and battery connecting portion; Described pressure welding portion is provided with pressure welding hole;
In one end insertion the pressure welding hole of pressure welding in described positive strap of described metallic braid, in other end insertion the pressure welding hole of pressure welding on described negative pole brace.
2. electrokinetic cell connector according to claim 1, is characterized in that, described positive terminal is aluminium terminal, and described positive strap is aluminium brace; Described negative terminal is copper tip, and described negative pole brace is copper brace.
3. electrokinetic cell connector according to claim 1 and 2, is characterized in that, described metallic braid is copper braid over braid.
4. electrokinetic cell connector according to claim 2, is characterized in that, described copper brace is that copper pipe obtains in die for molding, and described aluminium brace is that aluminum pipe obtains in die for molding; Described metallic braid is formed by multiply fine wire interlacing.
5. electrokinetic cell connector according to claim 1 and 2, it is characterized in that, described positive strap be provided with electrokinetic cell on the suitable electrode mating hole of positive terminal, described negative pole brace be provided with electrokinetic cell on the suitable electrode mating hole of negative terminal.
6. electrokinetic cell connector according to claim 1, is characterized in that, is equipped with the collection hole that gathers terminal for riveting on the battery connecting portion of described positive strap and negative pole brace.
7. electrokinetic cell connector according to claim 2, is characterized in that, described copper brace surface is coated with tin layer, and described aluminium brace surface is provided with anodic oxide coating.
8. electrokinetic cell connector according to claim 3, is characterized in that, the surface of described copper braid over braid is coated with tin layer.
9. electrokinetic cell connector according to claim 1, is characterized in that, the thickness of the battery connecting portion of described positive strap and negative pole brace is 1-3mm.
10. a power battery pack, it is characterized in that, comprise the electrokinetic cell of some mutual series connection and be electrically connected the electrokinetic cell connector of adjacent two electrokinetic cells, described power connector is the electrokinetic cell connector described in claim 1-9 any one, the positive strap of described electrokinetic cell connector is electrically connected with the positive terminal of electrokinetic cell, and the negative pole brace of described electrokinetic cell connector is electrically connected with the negative terminal of electrokinetic cell.
11. power battery pack according to claim 10, is characterized in that, on the positive strap of described electrokinetic cell connector or negative pole brace, have collection terminal by the riveted joint of described collection hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320844737.2U CN203690395U (en) | 2013-12-20 | 2013-12-20 | Power battery connector and power battery pack thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320844737.2U CN203690395U (en) | 2013-12-20 | 2013-12-20 | Power battery connector and power battery pack thereof |
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| CN203690395U true CN203690395U (en) | 2014-07-02 |
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| CN201320844737.2U Expired - Fee Related CN203690395U (en) | 2013-12-20 | 2013-12-20 | Power battery connector and power battery pack thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104117776A (en) * | 2014-07-17 | 2014-10-29 | 深圳市大族激光科技股份有限公司 | Laser welding method for high-reflection metal parts |
| CN112103457A (en) * | 2020-09-23 | 2020-12-18 | 张金凤 | Spontaneous combustion-preventing quick wiring storage battery |
-
2013
- 2013-12-20 CN CN201320844737.2U patent/CN203690395U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104117776A (en) * | 2014-07-17 | 2014-10-29 | 深圳市大族激光科技股份有限公司 | Laser welding method for high-reflection metal parts |
| CN104117776B (en) * | 2014-07-17 | 2016-04-13 | 大族激光科技产业集团股份有限公司 | The method for laser welding of high reflecting metal parts |
| CN112103457A (en) * | 2020-09-23 | 2020-12-18 | 张金凤 | Spontaneous combustion-preventing quick wiring storage battery |
| CN112103457B (en) * | 2020-09-23 | 2022-11-22 | 福建省小海豚新能源科技有限公司 | Spontaneous combustion-preventing quick wiring storage battery |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20191220 |