CN205069736U - Power battery connector, power battery module, power battery package, car - Google Patents

Abstract

The utility model discloses a power battery connector, power battery module, power battery package, car, the connector includes: six connection pieces, a respective principal plane is injectd by every connection piece, six connection pieces include firstly to the fourth intermediate film, a second stationary blade that the first stationary blade that is used for linking to each other with a power battery links to each other with the 2nd power battery with being used for, firstly connect gradually into three dimensional structure through bending to the fourth intermediate film, the principal plane of first two adjacent intermediate films to the fourth intermediate film in is located different planes, first stationary blade links to each other with the free end of first intermediate film, the second stationary blade links to each other and the principal plane of second stationary blade and the principal plane coplane of fourth intermediate film with the free end of fourth intermediate film. According to the utility model discloses the power battery connector, simple structure, occupation space is little, and the preparation is convenient, low cost to replaced the braided wire structure, need not to have reduced contact resistance at the junction line ball.

Description

Electrokinetic cell connector, electrokinetic cell module, electrokinetic cell bag, automobile

Technical field

The utility model relates to power battery technology field, more specifically, relates to a kind of electrokinetic cell connector and has the electrokinetic cell module of this connector, electrokinetic cell bag and electric automobile.

Background technology

Usually connect with copper or aluminium matter litzendraht wire, lamination water conservancy diversion row, flat brace or arch brace between electrokinetic cell bag internally-powered battery modules.Although litzendraht wire possesses flexibility, owing to needing to suppress link in the end of establishment line, thus cause the contact internal resistance of link large, and under frequent vibration operating mode complicated situation, reliability is low, and it is large to take up room in the longitudinal direction.Lamination water conservancy diversion row structure needs tens layers even Copper Foil of tens layers or aluminium foil, and at the two ends of water conservancy diversion row, tens layers or tens layers aluminium foil and Copper Foil are pressed together, because the number of plies of Copper Foil or aluminium foil is many, the contact internal resistance at the two ends of the water conservancy diversion row of lamination is large, and usually only can be applicable to one-dimensional flexible distortion, realize three-dimension flexible difficulty, in addition, lamination water conservancy diversion row manufacturing process is complicated, and cost is high.Brace that is flat or arch is flexible and freedom from vibration is poor, and fatiguability fractures.

In addition, electric automobile adopts battery module to carry out powered operation as power supply.In correlation technique, between the battery module of electric automobile, adopt fuse unit, the connection between battery module can be disconnected when preventing control circuit from breaking down in time, cut off the electricity supply thus, prevent unexpected generation.But fuse does not adopt any arc extinguishing measure, can produce electric arc when blown fuse, and electric arc may puncture battery, cause burning, blast equivalent risk, thus cause the personal safety of passenger.And fuse does not have shell to support, there is the possibility of fracture in the weakest place, thus reduces fail safe and the reliability of battery module.

Summary of the invention

The utility model is intended to one of solve the problems of the technologies described above at least to a certain extent.

For this reason, the utility model proposes a kind of electrokinetic cell connector, this connector construction is simple, connects and easy to prepare, and take up room little, reliability is high.

The utility model also proposes a kind of electrokinetic cell module with above-mentioned electrokinetic cell connector.

The utility model also proposes a kind of electrokinetic cell bag with above-mentioned electrokinetic cell connector.

The utility model also proposes a kind of automobile with above-mentioned electrokinetic cell bag.

According to the electrokinetic cell connector of the utility model first aspect embodiment, comprise: six braces, each brace limits a respective primary flat, described six braces comprise first to fourth intermediate, for the first stator of being connected with the first electrokinetic cell and the second stator for being connected with the second electrokinetic cell, described first to fourth intermediate is in turn connected into three-dimensional structure by bending, the primary flat of adjacent two intermediates in described first to fourth intermediate is positioned at different planes, described first stator is connected with the free end of described first intermediate, described second stator is connected with the free end of described 4th intermediate and the primary flat of the primary flat of described second stator and described 4th intermediate is coplanar, at least one brace in described six braces comprises the first lamellar body and the second lamellar body, is electrically connected between described first lamellar body and the second lamellar body by fuse part, and the cross-sectional area of described fuse part is less than the cross-sectional area at six other positions of brace, described fuse part is wrapped with protection assembly, and one end of described protection assembly is connected with the first lamellar body, and the other end is connected with the second lamellar body.

According to the electrokinetic cell connector of the utility model embodiment, between the first stator be connected with electrokinetic cell and the second stator, first to fourth intermediate is set, and the primary flat of adjacent two intermediates of first to fourth intermediate not coplanar and form three-dimensional structure, connector is made to be formed with the bending at least three directions, flexibility is had at least three directions, substantially increase the reliability of connector anti-vibration, this connector construction is simple, take up room little, easy to prepare, with low cost, and instead of litzendraht wire structure, without the need at junction line ball, decrease contact resistance.Simultaneously; the fuse part of the cross-sectional area of remainder is less than by arranging cross-sectional area on brace; and protect assembly in the outer wrap of fuse part, and not only can realize the connection between battery thus, can also when control circuit occurs abnormal; connection between timely cut-out battery; battery is played to the effect of protection, and can extinguish fast due to fusing produce electric arc, prevent arc through battery; cause burning, blast equivalent risk, avoid causing potential safety hazard to passenger.Protect assembly can also play the work of shell support in order to strengthen the reliability of the connection of fuse part to fuse part simultaneously, thus increase the reliability of brace.

Preferably, the width of described fuse part is less than the width of the first lamellar body and the second lamellar body.

Further, described fuse part is concordant with described first lamellar body and the second lamellar body in the side of Width, and limits recess between opposite side and described first lamellar body and the second lamellar body.

Preferably, two lateral surfaces of described protection assembly are respectively equipped with the first magnetic part and the second magnetic part, described fuse part is between described first magnetic part and the second magnetic part, and described first magnetic part is contrary towards the one side polarity of described fuse part with the second magnetic part; The unlimited direction in the magnetic direction between described first magnetic part and the second magnetic part, the sense of current in fuse part and the female portion is corresponding by lefft-hand rule.

Further, described protection assembly comprises the first housing and the second housing, limits the protection chamber of sealing between described first housing and the second housing, and described fuse part is positioned at described protection chamber.

Preferably, hydrogen is connected with in described protection chamber.

Further, described first lamellar body and the second lamellar body and described fuse part one-body molded.

Electrokinetic cell module according to the utility model second aspect embodiment comprises multiple electrokinetic cell, is connected between adjacent described electrokinetic cell by the electrokinetic cell connector according to above-described embodiment.

Draw together multiple electrokinetic cell module according to the electrokinetic cell handbag of the utility model third aspect embodiment, be connected by the electrokinetic cell connector according to above-described embodiment between adjacent described electrokinetic cell module.

According to the automobile of the utility model fourth aspect embodiment, comprise the electrokinetic cell bag according to above-described embodiment.

Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.

Accompanying drawing explanation

Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:

Fig. 1 is the structural representation of the connector according to the utility model embodiment.

Fig. 2 is according to the fuse part of the utility model embodiment assembling explosive view with protection assembly.

Fig. 3 is the connection diagram of fuse part and the first lamellar body in the utility model embodiment, the second lamellar body.

Reference numeral:

Electrokinetic cell connector 100;

First stator 10; First connecting hole 11; Groove 12;

Second stator 20; Second connecting hole 21;

First intermediate 30; Second intermediate 40; 3rd intermediate 50; 4th intermediate 60;

Fuse part 80; First lamellar body 81; Second lamellar body 82; Protection assembly 83; Recess 84; First magnetic part 85; Protection chamber 86; First housing 87; Second housing 88.

Embodiment

Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.

First describe by reference to the accompanying drawings below according to the utility model embodiment for electrokinetic cell connector 100.

As shown in Figure 1, six braces are comprised for electrokinetic cell connector 100 according to the utility model embodiment, each brace limits a respective primary flat, six braces comprise first to fourth intermediate 60, for the first stator 10 of being connected with the first electrokinetic cell and the second stator 20 for being connected with the second electrokinetic cell, first to fourth intermediate 60 is in turn connected into three-dimensional structure by bending, the primary flat of adjacent two intermediates in first to fourth intermediate 60 is positioned at different planes, first stator 10 is connected with the free end of the first intermediate 30, second stator 20 is connected with the free end of the 4th intermediate 60 and the primary flat of the primary flat of the second stator 20 and the 4th intermediate 60 is coplanar.

In other words, being connected in turn primarily of the first stator 10, first intermediate 30, second intermediate 40, the 3rd intermediate 50, the 4th intermediate 60 and the second stator 20 for electrokinetic cell connector 100 according to the utility model embodiment, wherein, in this application, electrokinetic cell connector 100 is mainly used in connection two electrokinetic cells, two electrokinetic cells are called the first electrokinetic cell and the second electrokinetic cell, first stator 10 is connected with the first electrokinetic cell, and the second stator 20 is connected with the second electrokinetic cell.

First intermediate 30, second intermediate 40, 3rd intermediate 50 and the 4th intermediate 60 are connected to form three-dimensional structure successively by bending, the primary flat of the first intermediate 30 and the second intermediate 40 is not in same plane, the primary flat of the second intermediate 40 and the 3rd intermediate 50 is not in same plane, the primary flat of the 3rd intermediate 50 and the 4th intermediate 60 is not also in same plane, one end of first intermediate 30 is connected with the second intermediate 40, free end is then connected with the first stator 10, second intermediate 40 and the 3rd intermediate 50 are located between the first intermediate 30 and the 4th intermediate 60 successively, one end of 4th intermediate 60 is connected with the 3rd intermediate 50, free end is then connected with the second stator 20, second stator 20 place plane and the 4th intermediate 60 place co-planar.

Thus, according to the utility model embodiment for electrokinetic cell connector 100, between the first stator 10 be connected with electrokinetic cell and the second stator 20, first to fourth intermediate 60 is set, and the primary flat of adjacent two intermediates of first to fourth intermediate 60 not coplanar and form three-dimensional structure, electrokinetic cell connector 100 is made to be formed with the bending at least three directions, flexibility is had at least three directions, substantially increase the reliability of electrokinetic cell connector 100 anti-vibration, this electrokinetic cell connector 100 structure is simple, take up room little, easy to prepare, with low cost, and instead of litzendraht wire structure, without the need at junction line ball, decrease contact resistance.

As shown in Figure 1, connector is provided with protection assembly 83.As shown in Figures 2 and 3, in six braces, at least one brace is provided with fuse part 80, the cross-sectional area of fuse part 80 is less than the cross-sectional area of the other parts of four braces, when transshipping or short circuit current passes through fuse part 80, fuse part 80 self-heating and fusing, thus disconnect sheet, can safety effect be played; When control circuit occurs abnormal thus, fuse part 80 can fuse, thus two batteries can be disconnected.

The cross section of above-mentioned fuse part 80 is the cross section on the Width of brace, concrete, as the fore-and-aft direction in Fig. 2 is the Width that the Width of brace or left and right directions are as shown in Figure 3 brace; Other parts of four braces be other parts on brace except fuse part 80, comprise the first lamellar body 81 and the second lamellar body 82 in following concrete scheme.

As shown in Figure 1 with shown in Fig. 2, protection assembly 83 is coated on outside fuse part 80.It is inner that the electric arc produced when fuse part 80 can be fused thus is limited to protection assembly 83, and extinguish fast electric arc, avoid electric arc to cause damage to other position of brace, thus avoid puncturing battery, cause battery explosion etc.It should be noted that; " it is outer that protection assembly 83 is coated on fuse part 80 "; can be fit in the protection inner surface of assembly 83 and the surface of fuse part 80, also can be that the inner surface of protection assembly 83 limits a protection chamber 86, fuse part 80 be positioned at the protection chamber 86 that protection assembly 83 limits.

In the process of moving, battery connecting piece can constantly rock, and the cross-sectional area of fuse part 80 is less than the cross-sectional area of remainder in electric motor car, and fuse part 80, when constantly rocking, is compared remainder and easily ruptured.Protection assembly 83 is connected with the part at fuse part 80 two ends contiguous on brace, the reliability that the work that can play a shell support to fuse part connects in order to strengthen fuse part 80, thus adds the reliability of brace.

According to the battery connecting piece of the electric motor car of the utility model embodiment; the fuse part 80 of the cross-sectional area of remainder is less than by arranging cross-sectional area on brace; and protect assembly 83 in the outer wrap of fuse part 80; not only can realize the connection between battery thus; can also when control circuit occurs abnormal; connection between timely cut-out battery; battery is played to the effect of protection; and can extinguish fast due to fusing produce electric arc; prevent arc through battery; cause burning, blast equivalent risk, avoid causing potential safety hazard to passenger.Meanwhile, the installation of protection assembly 83 can also avoid the reliability of the connection reducing fuse part 80, prevents fuse part from rupturing owing to rocking.

As shown in Figures 2 and 3, brace comprises the first lamellar body 81 and the second lamellar body 82.Wherein, fuse part 80 is between the first lamellar body 81 and the second lamellar body 82; First lamellar body 81 and the second lamellar body 82 are electrically connected by fuse part 80.Thus, when control circuit occurs abnormal, fuse part 80 can fuse, thus disconnects sheet, and then two batteries can be disconnected, and avoids damaging battery.Such as, as shown in Figures 2 and 3, one end of fuse part 80 is connected with the first lamellar body 81, the other end of fuse part 80 is connected with the second lamellar body 82, when fusing occurs fuse part 80, the first lamellar body 81 and the second lamellar body 82 disconnect, thus effectively can avoid cell damage.

Alternatively, as shown in Figure 2, the width of fuse part 80 is less than the first lamellar body 81 and the second lamellar body 82.That is, the width of fuse part 80 is less than the first lamellar body 81 width, and the width of fuse part 80 is less than the width of the second lamellar body 82 simultaneously.Thus, fuse part 80 can be made to belong to position the weakest in brace, fuse part 80 is position brace the most easily occurring fuse, the electric arc produced when namely brace can be fused is limited to fuse part 80 place, thus conveniently safeguard procedures are done to fuse part 80, the electric arc produced during to prevent from fusing damages other position of brace, can avoid puncturing battery and producing blast.Such as, as shown in Figure 3, d1 is the width of the first lamellar body 81, and d2 is the width of fuse part 80, and d3 is the width of the second lamellar body 82, and d1, d2 and d3 meet d1 < d2, d1 < d3.

Further, fuse part 80 is concordant with the second lamellar body 82 with the first lamellar body 81 in the side of Width (width of fore-and-aft direction as shown in Figure 2), and opposite side and limit recess 84 between the first lamellar body 81 and the second lamellar body 82, the electric arc produced during fusing can be guided into recess 84 thus under the effect of external force, not only electric arc can be elongated, weaken the energy of electric arc, and recess 84 does not have brace, electric arc can not burn away, thus extinguish fast electric arc, reduce the potential safety hazard to automobile and the person.

Such as, as shown in Figures 2 and 3, fuse part 80 is less than the width of the first lamellar body 81 and the second lamellar body 82 at the width of fore-and-aft direction (fore-and-aft direction as shown in Figure 2), and the front side wall of fuse part 80 is concordant with the second lamellar body 82 with the first lamellar body 81, rear wall and limit recess 84 between the first lamellar body 81 and the second lamellar body 82, can can guide the electric arc produced during fusing into recess 84 under the effect of external force thus, electric arc be elongated, thus weakens the energy of electric arc.

Alternatively, as shown in Figure 2, two lateral surfaces of protection assembly 83 are respectively equipped with the first magnetic part 85 and the second magnetic part (scheming not shown), and fuse part 80 is between the first magnetic part 85 and the second magnetic part, and the first magnetic part 85 is contrary towards the one side polarity of fuse part 80 with the second magnetic part; The unlimited direction of the magnetic direction between the first magnetic part 85 and the second magnetic part, the sense of current in fuse part 80 and recess 84 is corresponding by lefft-hand rule.When having electric current in fuse part 80 through out-of-date, fuse part 80 generation power under the effect in the magnetic field that the first magnetic part 85 and the second magnetic part limit, the electric arc produced when fuse part 80 can fuse by this power pulls to recess 84, thus can elongating arc, and allow brace away from electric arc, thus accelerate arc extinguishing.

Such as, as shown in Figure 2, the first magnetic part 85 is arranged on the lower surface of protection assembly 83, and the second magnetic part is arranged on the upper surface of protection assembly 83.Wherein, the upper end (end face towards brace of the first magnetic part 85 as shown in Figure 2) of the first magnetic part 85 and the upper end (end face away from brace of the second magnetic part) of the second magnetic part are N pole, the lower end of the first magnetic part 85 and the second magnetic part is S pole, the opening of recess 84 opens wide (rear as shown in Figure 2) backward, according to lefft-hand rule, (" lefft-hand rule " refers to here: left hand is open and flat, thumb with all the other four refer to vertical, if the magnetic line of force vertically enters the palm of the hand, four point to the sense of current, then thumb direction is direction stressed in current－carrying conductor outside magnetic field), the centre of the palm of palm is downward, thumb points to the unlimited direction of recess 84, all the other four sensings are left, namely the sense of current in fuse part 80 points to left (left as shown in Figure 2).

For another example, the installation direction of the first magnetic part 85 and the second magnetic part is constant, and still for upper end is N pole, lower end is S pole, and the sense of current in fuse part 80 points to right (right as shown in Figure 2), then according to lefft-hand rule, the open ports of corresponding recess 84 forward.

In another example of the present utility model, the lower end of the first magnetic part 85 and the lower end of the second magnetic part are N pole, and the upper end of the first magnetic part 85 and the upper end of the second magnetic part are S pole.Wherein, as shown in Figure 2, recess 84 opens wide backward, then according to lefft-hand rule, (left hand is open and flat, thumb with all the other four refer to vertical, if the magnetic line of force vertically enters the palm of the hand, four point to the sense of current, then thumb direction is direction stressed in current－carrying conductor outside magnetic field), the centre of the palm of palm upwards, thumb points to the unlimited direction of recess 84, and all the other four sensings are right, and the sense of current namely in fuse part 80 points to right (right as shown in Figure 2).

The installation direction of battery connecting piece and N, S installation direction of the first magnetic part 85, second magnetic part, and be correlated with in the unlimited direction of recess 84 simultaneously.It should be noted that, the direction of the N pole of the installation site of the first magnetic part 85 and the second magnetic part, the first magnetic part 85 and the second magnetic part and S extreme direction, the sense of current and recess 84 open ports does not limit, as long as the electric arc produced during fusing can be pulled to recess 84 according to lefft-hand rule.

According to an embodiment of the present utility model; as shown in Figure 2; protection assembly 83 can comprise the first housing 87 and the second housing 88; the protection chamber 86 of sealing is limited between first housing 87 and the second housing 88; wherein fuse part 80 is positioned at protection chamber 86; fuse part 80 can be isolated in thus in protection chamber 86, the electric arc produced when preventing from fusing damages other position of brace, improves the safety and reliability of battery connecting piece.

Further, the first housing 87 is connected by buckle with the composition surface of the second housing 88, and the first housing 87 can be made to be connected with the second housing 88.It should be noted that, the composition surface of the first housing 87 can be provided with card convex or/and draw-in groove, the composition surface of the second housing 88 can be provided with the card convex on the composition surface of the first housing 87 or/and the draw-in groove that matches of draw-in groove is or/and card convex.

Such as, the composition surface of the first housing 87 can be provided with at least one card convex, the composition surface of the second housing 88 can be provided with the draw-in groove matched with the card convex on the composition surface of the first housing 87; The composition surface of the first housing 87 for another example can be provided with at least one draw-in groove, the composition surface of the second housing 88 can be provided with the card convex matched with the draw-in groove on the composition surface of the first housing 87; The composition surface of and for example the first housing 87 can be provided with draw-in groove and card convex simultaneously, the composition surface of the second housing 88 can be provided with the card convex and draw-in groove that match with the draw-in groove on the first housing 87 composition surface and card convex.

According to an embodiment of the present utility model; the composition surface of the first housing 87 and the second housing 88 is provided with solder layer (scheming not shown) the first housing 87 and the second housing 88 to be welded to limit protection chamber 86; a complete airtight protection chamber 86 can be formed thus; the electric arc produced during fusing and outside air are isolated, effectively can accelerate the speed of arc extinguishing.It should be noted that, the composition surface of the first housing 87 and the second housing 88 is provided with solder layer, can by brazing filler metal melts in soldering oven.Under high temperature action, the brazing filler metal melts on the first composition surface and the second composition surface, can weld together the first composition surface and the second composition surface, and fuse part 80 is sealed in protection chamber 86.

In some examples of utility model, pass into hydrogen in protection chamber 86, hydrogen not only can take away amount of heat; reduce the temperature in arc district; but also can ionized gas be dispelled, add in protection chamber 86 with fresh gases at high pressure, thus accelerate the speed of arc extinguishing and improve the effect of arc extinguishing.Further, as shown in Figure 2, the first housing 87 or the second housing 88 having and the injecting hole be communicated with in protection chamber 86, for injecting hydrogen, accelerating the speed of arc extinguishing.Closer, insert conduit in injecting hole, be convenient to the injection of hydrogen thus.

According to embodiments more of the present utility model, first housing 87 and the second housing 88 are made by the resistant to elevated temperatures nonmetallic materials of flame-resistant insulation, effect fuse part 80 and other position of brace kept apart can be played thus, while the electric arc extinguishing fusing generation, avoid damaging other position of brace.Preferably, the first housing 87 and the second housing 88 are formed by pottery, and the low and technical maturity of ceramic material abundance, cost, can reduce costs thus, shorten the production cycle.

Alternatively, the first lamellar body 81 and the second lamellar body 82 and fuse part 80 can be one-body molded, thus can simplified structure, shorten the production cycle, reduce production cost.It should be noted that, the first lamellar body 81 and the second lamellar body 82 and the integrated mode of fuse part 80 do not limit.Such as, the first lamellar body 81 and the second lamellar body 82 and fuse part 80 can integrated punching shaping.Preferably, the first lamellar body 81 and the second lamellar body 82 and fuse part 80 are made up of metal material, and metal material conducts electricity very well, and is conducive to the connection between battery.It should be noted that, the metal material of the first lamellar body 81 and the second lamellar body 82 and fuse part 80 does not limit.Such as, its material can be copper, silver, tin etc. or its mutual alloy.

In embodiments more of the present utility model; protection assembly 83 is connected with the part at fuse part 80 two ends contiguous on brace respectively; fuse part 80 all can be positioned at protection assembly 83 inside thus; the electric arc produced when not only can prevent fuse part 80 from fusing damages other position of brace, but also can play certain protective effect to brace.It should be noted that, in the process of moving, battery connecting piece can constantly rock, and the cross-sectional area of fuse part 80 is less than the cross-sectional area of remainder in electric motor car, and fuse part 80, when constantly rocking, is compared remainder and easily ruptured.Protection assembly 83 is connected with the part at fuse part 80 two ends contiguous on brace, the reliability that the work that can play shell support to fuse part 80 connects in order to strengthen fuse part 80, thus adds the reliability of brace.

Alternatively, the surface that protection assembly 83 coordinates with brace is metalized surface, and metalized surface and brace are welded and fixed.It should be noted that, protection assembly 83 fits tightly with brace, at high temperature; the metal molten on protection assembly 83 and brace surface; after cooling, protection assembly 83, together with the surface soldered of brace, namely protects assembly 83 and brace to weld together.The electric arc produced when not only can prevent fuse part 80 from fusing thus damages other position of brace, but also the reliability that the work that can play shell support to fuse part 80 connects in order to strengthen fuse part 80, thus increase reliability and the fail safe of brace.

According to an embodiment of the present utility model, the primary flat of the first stator 10 is orthogonal with the primary flat of the first intermediate 30, and the primary flat of adjacent intermediate is orthogonal.

Particularly, as shown in Figure 1, in this application, first stator 10 is formed as the lamellar body extended along the longitudinal direction in the horizontal direction, first intermediate 30 is formed as the lamellar body extended in left-right direction in the vertical direction, the upper edge of the first intermediate 30 and the front of the first stator 10 are along being connected, and the second intermediate 40 is formed as the lamellar body extended in left-right direction in the horizontal direction, and the back edge of the second intermediate 40 is connected with the lower edge of the first intermediate 30.

3rd intermediate 50 is formed as the lamellar body extended along the longitudinal direction in the vertical direction, the upper edge of the 3rd intermediate 50 and the right of the second intermediate 40 are along being connected, 4th intermediate 60 is formed as the lamellar body extended in left-right direction in the vertical direction, the left margin of the 4th intermediate 60 and the front of the 3rd intermediate 50 are along being connected, second stator 20 is formed as the lamellar body extended in left-right direction in the vertical direction, and the left margin of the second stator 20 and the right of the 4th intermediate 60 are along being connected.

That is, in this application, first stator 10 place plane and the second intermediate 40 place plane parallel, first intermediate 30 be located at the first intermediate 30 place plane between the first stator 10 and the second intermediate 40 and respectively with the first stator 10 place plane and the second intermediate 40 place plane orthogonal, 3rd intermediate 50 place plane and the second intermediate 40 place plane orthogonal, 4th intermediate 60 place plane and the 3rd intermediate 50 place plane orthogonal, second stator 20 place plane and the 4th intermediate 60 place co-planar, namely the second stator 20 can be formed as the lamellar body continuing extension from the right side of the 4th intermediate 60 to the right.

Thus, the electrokinetic cell connector 100 of this structure has bending in three directions, makes electrokinetic cell connector 100 have flexibility in three directions, substantially increases the anti-seismic performance of electrokinetic cell connector 100.

Preferably, according to an embodiment of the present utility model, electrokinetic cell connector 100 is integrally formed by bending by single metal sheet, i.e. the sheet metal that is formed as one of the first stator 10, second stator 20, first intermediate 30, second intermediate 40, the 3rd intermediate 50 and the 4th intermediate 60.Further, the first intermediate 30, second intermediate 40, the 3rd intermediate 50 and the 4th intermediate 60, first stator 10 and the second stator 20 are copper sheet or aluminium flake.Namely electrokinetic cell connector 100 can be copper sheet or aluminium flake, other sheet metals also can commonly used for this area.

Thus, the electrokinetic cell connector 100 be integrally formed not only ensure that overall structure stability, and shaping more convenient, reduce further preparation cost, and the structure be integrally formed makes electrokinetic cell connector 100 global non-existence contact resistance.

In embodiments more of the present utility model, the first stator 10 is connected by arc fold bending with the 4th intermediate 60 with the first intermediate 30, second intermediate 40, the 3rd intermediate 50 with the second stator 20.That is, be connected by arc fold bending between first stator 10 with the first intermediate 30, be connected by arc fold bending between second stator 20 with the 3rd intermediate 50, the first intermediate 30, second intermediate 40, between the 3rd intermediate 50 and the 4th intermediate 60 also by arc fold bending be connected.Thus, the electrokinetic cell connector 100 of this structure can improve aseismic reliability further.

Preferably, according to an embodiment of the present utility model, the first intermediate 30, second intermediate 40, the 3rd intermediate 50 and the 4th intermediate 60 are provided with along the through groove 12 of the thickness direction of this first intermediate 30, second intermediate 40, the 3rd intermediate 50 and the 4th intermediate 60.Further, groove 12 extends on the first stator 10 and the second stator 20.Further, groove 12 is multiple and parallel to each other.

In other words, in this application, the first intermediate 30, second intermediate 40 and the 3rd intermediate 50 are equipped with groove 12, and groove 12 on the first intermediate 30, second intermediate 40 and the 3rd intermediate 50 is mutually through.Preferably, groove 12 also extends on the first stator 10 and the second stator 20, and definite length extended on the first stator 10 and the second stator 20, this predetermined length can carry out reasonable adjusting according to actual needs, such as, can be the 1/3-1/4 of the length of the first stator 10 or the second stator 20.

Groove 12 on first intermediate 30, second intermediate 40 and the 3rd intermediate 50 can be one, also can be multiple, in the preferred case, groove 12 is multiple and parallel to each other, is parallel to each other between the multiple grooves 12 namely on the first intermediate 30, second intermediate 40 and the 3rd intermediate 50.

Thus, the groove 12 extended by the bearing of trend arranged on electrokinetic cell connector 100 along each several part of electrokinetic cell connector 100, can improve the buffering effect of electrokinetic cell connector 100 further, ensures aseismic reliability.

In embodiments more of the present utility model, the first stator 10 is provided with the first connecting hole 11, second stator 20 and is provided with the second connecting hole 21.Further, described first connecting hole and described second connecting hole are respectively two, two described first connecting holes with two described second connecting holes along the spaced apart distribution in identical direction.

Wherein, first stator 10 can be connected with the first electrokinetic cell by the first connecting hole 11, second stator 20 can be connected with the second electrokinetic cell by the second connecting hole 21, two the first connecting holes 11 and two the second connecting holes 21 are distinguished arranged spaced apart in left-right direction, the electrokinetic cell connector 100 of this structure is connected more convenient with electrokinetic cell, and stability and anti-seismic performance better.

According to an embodiment of the present utility model, the surface of electrokinetic cell connector 100 is provided with the coat of metal, i.e. the surface of the first intermediate 30, second intermediate 40, the 3rd intermediate 50 and the 4th intermediate 60, first stator 10 and the second stator 20 is respectively equipped with the coat of metal.Alternatively, the coat of metal is electrodeposited coating or chemical deposit.Thus, by arranging the coat of metal on the surface of electrokinetic cell connector 100, greatly can improve the oxidation resistance of electrokinetic cell connector 100, thus extending useful life.

In embodiments more of the present utility model, first intermediate 30, second intermediate 40, the 3rd intermediate 50 and the 4th intermediate 60, first stator 10 and the second stator 20 are rectangle, preferably, each angle of the first intermediate 30, second intermediate 40, the 3rd intermediate 50 and the 4th intermediate 60, first stator 10 and the second stator 20 rounding respectively.

Thus, the sheet body structure of rectangle has relatively high structural stability, shock resistance is higher, each angle rounding respectively of lamellar body, namely each angle of the outline of electrokinetic cell connector 100 is formed as fillet structure respectively, and the corner angle of junction and outside angular structures can be avoided to damage people.

According to the electrokinetic cell module of the utility model embodiment, comprise multiple electrokinetic cell, by being connected for electrokinetic cell connector 100 described in above-described embodiment between adjacent power battery.Two adjacent electrokinetic cells can become longitudinal arrangement, also can transversely arrange, and its different arrangement mode can adopt the electrokinetic cell connector 100 in above-mentioned different embodiment to connect.

According to the electrokinetic cell bag of the utility model embodiment, comprise multiple electrokinetic cell module, by being connected for electrokinetic cell connector 100 described in above-described embodiment between adjacent power battery modules.Two adjacent electrokinetic cell modules can become longitudinal arrangement, also can transversely arrange, and its different arrangement mode can adopt the electrokinetic cell connector 100 in above-mentioned different embodiment to connect.

Because the electrokinetic cell connector 100 according to the above embodiments of the present application has above-mentioned technique effect, therefore, also have corresponding technique effect according to the electrokinetic cell module of the embodiment of the present application and electrokinetic cell bag, namely structure is simple, easy to assembly, anti-seismic performance is high.

The electrokinetic cell bag according to above-described embodiment is comprised according to the electric automobile of the embodiment of the present application, because the electrokinetic cell connector 100 according to the above embodiments of the present application has above-mentioned technique effect, therefore, electric automobile according to the embodiment of the present application also has corresponding technique effect, namely structure is simple, easy to assembly, anti-seismic performance is high.

According to the electric automobile of the utility model embodiment other form and operation be all known for those of ordinary skills, be not described in detail here.

In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.

In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.

In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.

In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is less than second feature.

In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.

Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment when not departing from principle of the present utility model and aim, revising, replacing and modification in scope of the present utility model.

Claims (10)

1. an electrokinetic cell connector, it is characterized in that, comprise: six braces, each brace limits a respective primary flat, described six braces comprise first to fourth intermediate, for the first stator of being connected with the first electrokinetic cell and the second stator for being connected with the second electrokinetic cell, described first to fourth intermediate is in turn connected into three-dimensional structure by bending, the primary flat of adjacent two intermediates in described first to fourth intermediate is positioned at different planes, described first stator is connected with the free end of described first intermediate, described second stator is connected with the free end of described 4th intermediate and the primary flat of the primary flat of described second stator and described 4th intermediate is coplanar, at least one brace in described six braces comprises the first lamellar body and the second lamellar body, is electrically connected between described first lamellar body and the second lamellar body by fuse part, and the cross-sectional area of described fuse part is less than the cross-sectional area at six other positions of brace, described fuse part is wrapped with protection assembly, and one end of described protection assembly is connected with the first lamellar body, and the other end is connected with the second lamellar body.

2. electrokinetic cell connector according to claim 1, is characterized in that, the width of described fuse part is less than the width of the first lamellar body and the second lamellar body.

3. electrokinetic cell connector according to claim 2, is characterized in that, described fuse part is concordant with described first lamellar body and the second lamellar body in the side of Width, and limits recess between opposite side and described first lamellar body and the second lamellar body.

4. electrokinetic cell connector according to claim 3, it is characterized in that, two lateral surfaces of described protection assembly are respectively equipped with the first magnetic part and the second magnetic part, described fuse part is between described first magnetic part and the second magnetic part, and described first magnetic part is contrary towards the one side polarity of described fuse part with the second magnetic part; The unlimited direction in the magnetic direction between described first magnetic part and the second magnetic part, the sense of current in fuse part and the female portion is corresponding by lefft-hand rule.

5. electrokinetic cell connector according to claim 1, is characterized in that, described protection assembly comprises the first housing and the second housing, limits the protection chamber of sealing between described first housing and the second housing, and described fuse part is positioned at described protection chamber.

6. electrokinetic cell connector according to claim 5, is characterized in that, is connected with hydrogen in described protection chamber.

7. electrokinetic cell connector according to claim 1, is characterized in that, described first lamellar body and the second lamellar body and described fuse part one-body molded.

8. an electrokinetic cell module, is characterized in that, comprises multiple electrokinetic cell, is connected between adjacent described electrokinetic cell by the electrokinetic cell connector according to any one of claim 1-7.

9. an electrokinetic cell bag, is characterized in that, comprises multiple electrokinetic cell module, is connected between adjacent described electrokinetic cell module by the electrokinetic cell connector according to any one of claim 1-7.

10. an automobile, is characterized in that, comprises electrokinetic cell bag according to claim 9.