A kind of lithium power battery pack load connection device
Technical field
The utility model relates to lithium dynamical battery technical field, especially relates to a kind of lithium power battery pack load connection device.
Background technology
Because electrokinetic cell is all to be applied after assembling by parallel, series connection by many single-unit battery cores, the parallel connection of lithium dynamical battery, be connected in series the battery performance after technology largely affects in groups, the operability that connects technique also affects the manufacture efficiency of product, existing battery connects technique and in operating process, easily occurs short circuit, connection error phenomenon, and circuit is mixed and disorderly, efficiency is low, and product quality can not effectively be controlled.
Chinese patent literature (the day for announcing: on October 2nd, 2013, notification number: CN 203225300U) a kind of lug jockey for power type soft package lithium battery module disclosed, mainly formed by module base, conductive plate and pressing plate, on module base, be inlaid with corrosion resistant plate, the surface of corrosion resistant plate offers several elongated battery pole ear perforation; Pressing plate is buckled on corrosion resistant plate, is fixedly connected with module base and conductive plate by screw, spring washer, plain cushion.
Technique scheme is in order to solve the problem that in soldering process, high temperature impacts for battery inside, easy to assembly in order to make batteries monomer connect close and firm.
Utility model content
The purpose of this utility model is in operating process, easily to occur short circuit in order to solve the battery connection technique existing in prior art, connection error, circuit is mixed and disorderly, efficiency is low, the problem of poor product quality, can effectively prevent that the winding displacement in operating process from welding wrong situation and provide a kind of, the lithium power battery pack load connection device improving product quality and production efficiency.
The utility model is realized the technical scheme that its technical purpose adopts: a kind of lithium power battery pack load connection device, comprise battery pack, in battery pack, be provided with battery pack connection, described battery pack is made up of multiple battery cores, in each battery core, be respectively arranged with positive pole ear and negative lug, battery core in described battery pack arranges side by side in the same way, in described battery pack, be provided with jockey, described jockey and battery core corresponding setting one by one, between jockey, be fixedly connected with by connector, on each jockey, be respectively arranged with positive pole ear connector and negative lug connector corresponding to positive pole ear and negative lug, on each jockey, be also provided with communication connector and winding displacement draw-in groove, the positive pole ear of battery core is fixedly connected with positive pole ear connector after bending in the same direction respectively, the negative lug of battery core is fixedly connected with negative lug connector respectively after the direction bending contrary with positive pole ear wrap direction, in battery pack communication wire is fixedly connected with and is arranged on winding displacement draw-in groove with communication connector.This lithium power battery pack load connection device, by a jockey is set in each battery core, on each jockey, be respectively arranged with positive pole ear connector and negative lug connector, like this in the time that battery pack is assembled, first by battery core according to same direction proper alignment, namely battery core positive pole is in a direction, negative pole is in a direction, anodal aluminium pole ears does not need to turn to pinch processing yet, be well placed and draw adhesive tape that all battery cores are bundled with wheat afterwards, then this jockey is set to one by one side by side to the lug position of battery core, all jockey serial connection is fixed as one with connector, by the positive pole ear of all battery cores and negative lug respectively towards two different direction bendings, the positive pole ear of all battery cores is fixed together respectively with positive pole ear connector after bending in the same direction respectively, the negative lug of all battery cores is fixed together with negative lug connector respectively after the direction bending contrary with positive pole ear wrap direction.Owing to being also provided with communication connector and winding displacement draw-in groove on each jockey, after positive pole ear has been connected with negative lug, battery pack communication wire is fixedly connected with communication connector respectively, and after all battery pack communication wires are put in order, snaps in winding displacement draw-in groove and retrain.This lithium power battery pack load connection device, having improved square soft package lithium battery parallel connection in the past, when series connection battery core needs pros to stagger to put and positive pole ear aluminium-to-nickel operation, can effectively prevent from making a mistake in operating process, time-saving and efficiency, production cost is low, and product quality is high; Communication connector and winding displacement draw-in groove are set, have replaced in the past the winding displacement convention of welding that need to stagger, prevented short circuit, connection error, the circuit mixed and disorderly phenomenon that single solder joint bonding wire easily occurs, be convenient to follow-up assembling procedure.
As preferably, described jockey is rectangular structure, the length of jockey and the width of battery core are equipped with, jockey comprises lug stationary plane, battery core joint face is connected side with two, on described lug stationary plane, be provided with along its length fixed groove, the center of described fixed groove is provided with groove body along the Width of jockey, described winding displacement draw-in groove is arranged on the inner and close winding displacement draw-in groove of groove body place and is provided with square groove hole, described communication connector is plugged in the inner also bending in square groove hole and rides on groove body, between the below of described groove body and fixed groove, be provided with grooved bore, described positive pole ear connector and negative lug connector are separately positioned in fixed groove groove bottom and are plugged in grooved bore inside.The said structure of this jockey facilitates the setting of battery pack, can ensure good looking appearance, the more important thing is, the convenient setting that fixed groove, groove body, square groove hole, grooved bore are set on lug stationary plane, realizes the setting of positive pole ear connector, negative lug connector, communication connector.
As preferably, the two ends that described jockey two connects side are respectively arranged with through hole, and described connector is located in through hole inside.It is as a whole in order conveniently all jockeys to be fixed by connector that through hole is set, and facilitates postorder assembling.
As preferably, positive pole ear connector, negative lug connector and communication connector are respectively copper foil member, and positive pole ear connector, negative lug connector and communication connector are wholely set.Positive pole ear connector, negative lug connector and communication connector need to be electrically connected with positive pole ear, negative lug and battery pack communication wire respectively, so above-mentioned member all adopts copper foil member, realize electrical connection, and positive pole ear connector, negative lug connector and the employing of communication connector are wholely set, such structure fabrication is convenient, and intensity is good simultaneously.
As preferably, jockey is injection moulding member.The preferred injection moulding member of jockey; the generation of having stopped in the past to make protective device with EVA foam and produce lug bending, phenomenon of rupture, by the protected mode of this jockey replacement EVA foam, has promoted efficiency, the product neat appearance of battery assembling; product quality is high, and production cost is low.
As preferably, between positive pole ear and positive pole ear connector, between negative lug and negative lug connector and be connected by laser welding respectively between battery pack communication wire and communication connector.Preferably laser welding, welding quality is high, easy to operate.
The beneficial effects of the utility model are: this lithium power battery pack load connection device, having improved square soft package lithium battery parallel connection in the past, when series connection battery core needs pros to stagger to put and positive pole ear aluminium-to-nickel operation, save the time, reduce production cost, also can effectively prevent from making a mistake in operating process, improved production efficiency and product quality simultaneously;
Battery communication wire connected mode has replaced in the past the winding displacement convention of welding that need to stagger, effectively prevent the mixed and disorderly phenomenon of short circuit, connection error, circuit that single solder joint bonding wire easily occurs, promote the manufacture efficiency of product, the follow-up assembling procedure of being more convenient for;
This jockey adopts injection moulding member, has stopped to make protective device with EVA foam and the generation that produces lug bending, phenomenon of rupture in the past, has promoted the quality of efficiency, product neat appearance and the product of battery assembling, and the while has also been reduced production cost.
This lithium power battery pack load connection device, effectively solves the battery connection technique existing in prior art and in operating process, easily occurs short circuit, connection error, and circuit is mixed and disorderly, and efficiency is low, the problem of poor product quality.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the utility model lithium power battery pack load connection device;
Fig. 2 is a kind of decomposition texture schematic diagram of the utility model lithium power battery pack load connection device;
Fig. 3 is a kind of structural representation of jockey in the utility model;
Fig. 4 is a kind of integrated structure schematic diagram of jockey and both positive and negative polarity lug connector in the utility model;
Fig. 5 is a kind of structural representation of positive pole ear connector and negative lug connector and communication connector in the utility model;
In figure: 1 battery pack, 2, battery core, 21, positive pole ear, 22, negative lug, 3, jockey, 31, lug stationary plane, 32, battery core joint face, 33, connect side, 34, fixed groove, 35, groove body, 36, square groove hole, 37, grooved bore, 38, through hole, 4, connector, 5, positive pole ear connector, 6, negative lug connector, 7, communication connector, 8, winding displacement draw-in groove, 9, wheat draws adhesive tape.
Embodiment
Also by reference to the accompanying drawings the technical solution of the utility model is described in further detail below by specific embodiment.
Embodiment 1:
In the embodiment shown in fig. 1, a kind of lithium power battery pack load connection device, comprise battery pack 1, in battery pack 1, be provided with battery pack connection, battery pack 1 is made up of multiple battery cores 2, in each battery core 2, be respectively arranged with positive pole ear 21 and negative lug 22, battery core 2 in battery pack 1 arranges side by side in the same way, in battery pack 1, be provided with injection moulding element connection device 3, jockey 3 is rectangular structure, the width of the length of jockey 3 and battery core 2 is equipped with, jockey 3 and battery core 1 corresponding setting one by one, between jockey 3, be fixedly connected with by connector 4, in the present embodiment, connector 4 adopts bolt and nut (see figure 2), on each jockey 3, be respectively arranged with positive pole ear connector 5 and negative lug connector 6 corresponding to positive pole ear 21 and negative lug 22, on each jockey 3, be also provided with communication connector 7 and winding displacement draw-in groove 8, positive pole ear connector 5, negative lug connector 6 and communication connector 7 are respectively copper foil member, positive pole ear connector 5, negative lug connector 6 and communication connector 7 are wholely set (see figure 5).The positive pole ear 21 of battery core is fixedly connected with positive pole ear connector 5 after bending in the same direction respectively, the negative lug 22 of battery core is fixedly connected with negative lug connector 6 respectively after the direction bending contrary with positive pole ear 21 wrap direction, in battery pack communication wire is fixedly connected with and is arranged on winding displacement draw-in groove 8 with communication connector 7.
Jockey 3 comprises lug stationary plane 31, battery core joint face 32 is connected side 33(and sees Fig. 3 with two), on lug stationary plane 31, be provided with along its length fixed groove 34, the center of fixed groove 34 is provided with groove body 35 along the Width of jockey 3, winding displacement draw-in groove 8 is arranged on groove body 35 inner and close winding displacement draw-in groove 8 places and is provided with square groove hole 36, communication connector 7 is plugged in the inner also bending in square groove hole 36 and rides on groove body 35, between the below of groove body 35 and fixed groove 34, be provided with grooved bore 37, positive pole ear connector 5 and negative lug connector 6 are separately positioned in fixed groove 34 groove bottom and are plugged in the inner (see figure 4) of grooved bore 37.3 liang of two ends that connect side 33 of jockey are respectively arranged with through hole 38, and connector 4 is located in through hole 38 inside.
Between positive pole ear 21 and positive pole ear connector 5, between negative lug 22 and negative lug connector 6 and be connected by laser welding respectively between battery pack communication wire and communication connector 7.
The shell of moulding that jockey 3 in this lithium power battery pack load connection device adopts moulding to form replaces EVA foam of the prior art, respectively there is a through hole 38 at the two ends of jockey 3, after more piece battery core 2 use wheats are drawn adhesive tape 9 bindings, pass each through hole 38 with a long bolt again, finally tighten fixing with nut.
On jockey 3, the position of corresponding lug arranges a long fixed groove 34, then lay copper foil in the above as positive pole ear connector and negative lug connector, on the centre position of this copper foil, be also provided with a protruding flange as communication connector simultaneously, this copper foil is embedded in jockey 3 injection mouldings to the inside, the part of protruding in the middle of copper foil the right and left comprises is an entirety.Putting of multiple battery cores 2 is according to same direction, namely battery core positive pole is in a direction, negative pole is in a direction, anodal aluminium pole ears does not need to turn to pinch processing yet, be well placed and draw adhesive tape 9 to bundle with wheat afterwards, then jockey 3 is put into one by one to the lug position of battery core, again by battery core positive pole ear and negative lug respectively towards two different direction bendings, be close to positive pole ear connector and negative lug connector that copper foil is made, finally with laser, positive pole ear and positive pole ear connector are welded together respectively, negative lug and negative lug connector are welded together respectively.Complete after aforesaid operations, by battery pack connection respectively with the communication connector of middle copper foil projection with together with laser welding, after battery pack connection winding displacement being bundled simultaneously, snap in winding displacement draw-in groove 8 and be fixed, prevent that the winding displacement in operating process from welding the generation of wrong situation, improves product quality and production efficiency.
Jockey has improved square soft package lithium battery parallel connection in the past, when series connection battery core to be needed pros to stagger to put and positive pole ear aluminium-to-nickel operation, save the operating time, reduce production cost, also can better prevent from making a mistake in operating process, improved production efficiency and product quality simultaneously.
The design of battery connection connected mode has replaced in the past the winding displacement convention of welding that need to stagger, and has prevented the mixed and disorderly phenomenon of short circuit, connection error, circuit that single solder joint bonding wire easily occurs, and has promoted the manufacture efficiency of product, the follow-up assembling procedure of being more convenient for.
The jockey that adopts moulding to form has changed lug bending, the fracture of making protective device with EVA foam and produce in the past, has promoted the quality of efficiency, product neat appearance and the product of battery assembling, has also reduced production cost simultaneously.