Background technology
Along with worldwide energy crisis and climate warming; traffic and transport field is in the urgent need to a kind of brand-new energy mode; and lithium ion battery is because of its environmental protection; the characteristics such as high-energy output have caused the extensive concern of traffic and transport field; at present, in the world wide relevant industries all to lithium ion battery at the application start in this field widely research.
The advantages such as lithium ion battery has high working voltage, high-energy-density, has extended cycle life, non-environmental-pollution, not only be used widely at portable communication apparatus and portable electric appts, and be widely used in the big-and-middle-sized electrical equipment aspects such as electric automobile, electric bicycle and electric tool, be the main direction of present each macrocell producer development.
At present, for poly-lithium battery, in order to realize the series and parallel connections between a plurality of batteries, it generally is that the mode that adopts trip bolt to connect battery pole ear realizes.This it is large to connect internal resistance directly with the mode poor reliability that adopts the fastening poly-lithium battery lug of screw, and when the large multiplying power discharging of battery, the caloric value of battery is larger, has had a strong impact on integral working and the safe handling of battery.
Therefore, at present in the urgent need to developing a kind of technology, it can be at a plurality of poly-lithium battery series and parallel connections together the time, can reduce the connection internal resistance between the battery, reliability when improving a plurality of batteries connection, so that the battery pack that a plurality of poly-lithium batteries form has long useful life and stability, guarantee simultaneously the safe handling of battery.
The utility model content
In view of this; the purpose of this utility model provides a kind of jockey of new polymers lithium battery; it can be at a plurality of poly-lithium battery series and parallel connections together the time; can reduce the connection internal resistance between the battery; reliability when improving a plurality of batteries connection; so that the battery pack that a plurality of poly-lithium batteries form has long useful life and stability; guarantee simultaneously the safe handling of battery; can form the scale of industry; be conducive to use widely, be of great practical significance.
For this reason, the utility model provides a kind of jockey of new polymers lithium battery, include a plurality of Insulating frames 5, the top of each described Insulating frame 5 is provided with a battery and places groove 10, and each described battery is placed on the groove 10 and is placed with a poly-lithium battery;
The left part of each described poly-lithium battery has battery battery core lug 4, and the battery battery core lug 4 of two described poly-lithium battery left parts of arbitrary neighborhood is connected with same baffler 7 respectively.
Wherein, the centre position, left part of each described Insulating frame 5 is provided with pressing plate and places groove 9, and described pressing plate is placed on the groove 9 and is fixedly installed first conductive pressing plate 1, described battery battery core lug 4 be positioned at described the first conductive pressing plate 1 directly over.
Wherein, described conductive pressing plate 1 is fixed together by at least one countersunk self-tapping screw 3 and described pressing plate placement groove 9 surfaces.
Wherein, described battery battery core lug 4 directly over be fixedly installed successively described baffler 7 and second conductive pressing plate 2.
Wherein, described battery battery core lug 4, baffler 7 and the second conductive pressing plate 2 are fixed together by at least one trip bolt 6.
Wherein, be provided with one or more laser welding hole 8 on described the second conductive pressing plate 2.
The technical scheme that is provided by above the utility model as seen; compared with prior art; the jockey of a kind of new polymers lithium battery that the utility model provides; it can be at a plurality of poly-lithium battery series and parallel connections together the time; can reduce the connection internal resistance between the battery; reliability when improving a plurality of batteries connection; so that the battery pack that a plurality of poly-lithium batteries form has long useful life and stability; guarantee simultaneously the safe handling of battery; can form the scale of industry; be conducive to use widely, be of great practical significance.
Embodiment
In order to make those skilled in the art person understand better the utility model scheme, the utility model is described in further detail below in conjunction with drawings and embodiments.
Referring to Fig. 1, the utility model provides a kind of jockey of new polymers lithium battery, include a plurality of Insulating frames 5, the top of each described Insulating frame 5 is provided with a battery and places groove 10, and each described battery is placed on the groove 10 and is placed with a poly-lithium battery that needs serial or parallel connection.
Need to prove that described battery is placed shape, the size and the shape of described poly-lithium battery, big or small corresponding coupling of groove 10.Described Insulating frame 5 can adopt the material of any insulation to make, and for example can be plastic frame.
In the utility model, the centre position, left part of each described Insulating frame 5 is provided with a pressing plate and places groove 9, described pressing plate is placed on the groove 9 and is fixedly installed first conductive pressing plate 1, and described conductive pressing plate 1 is specially: place groove 9 surfaces by countersunk self-tapping screw 3 and described pressing plate and be fixed together.
In the utility model, the left part of each described poly-lithium battery has the battery battery core lug 4 of bending, described battery battery core lug 4 be positioned at described the first conductive pressing plate 1 directly over, the battery battery core lug 4 of two described poly-lithium battery left parts of arbitrary neighborhood is connected with the up and down two ends of same baffler 7 respectively.Therefore, for the utility model, two poly-lithium batteries of arbitrary neighborhood can interconnect by baffler 7, realize series connection or in parallel.
Referring to Fig. 1, be fixedly installed successively described baffler 7 and second conductive pressing plate 2 directly over the described battery battery core lug 4, be specially: described battery battery core lug 4, baffler 7 and the second conductive pressing plate 2 are fixed together by trip bolt 6, and final screw thread is fixed on described pressing plate and places on the groove 9.
Need to prove that described pressing plate is placed shape, the size and the shape of described the first conductive pressing plate 1 and the second conductive pressing plate 2, big or small corresponding coupling of groove 9.
On the specific implementation, described the first conductive pressing plate 1 and the second conductive pressing plate 2 can adopt the good material of any conductive effect to make, and can be metal platen, for example can be aluminium alloy plate.
Referring to Fig. 1, be provided with two laser welding holes 8 on each described second conductive pressing plate 2, therefore, the operator can adopt laser welder that baffler 7 and battery battery core lug 4 laser welding are in the same place by this laser welding hole 8.The number in described laser welding hole 8 can be set in advance according to user's needs, can for greater than one a plurality of arbitrarily.
Need to prove, for the utility model, it is by increasing the contact area between the first conductive pressing plate 1, the second conductive pressing plate 2 and the battery battery core lug 4, thereby strengthen the conductive capability of battery battery core lug 4, simultaneously, in the time of need to be with a plurality of poly-lithium battery connection in series-parallel, by adopting the stronger baffler 7 of conveyance capacity, can improve the conveyance capacity of battery pack, reduce caloric value.
In addition, for the utility model, be fixed together by trip bolt between described battery battery core lug 4, baffler 7 and the first conductive pressing plate 1, the second conductive pressing plate 2, can also baffler 7 and battery battery core lug 4 laser welding be in the same place by the laser welding hole 8 on the second conductive pressing plate 2 simultaneously, the connection internal resistance between a plurality of poly-lithium batteries can be greatly reduced like this, connection reliability and the stability of the whole battery pack that is formed by a plurality of poly-lithium batteries can be increased again simultaneously.
For the utility model, specifically installing and using, at first, place groove 9 at the pressing plate of Insulating frame 5 left parts and put into the first conductive pressing plate 1, then with countersunk self-tapping screw 3 the first conductive pressing plate 1 is fixed on pressing plate and places on the groove 9, be countersunk self-tapping screw owing to what adopt, and at the first conductive pressing plate 1 corresponding counter sink arranged, so after with countersunk self-tapping screw 3 the first conductive pressing plate I being fixed on Insulating frame 5 left parts, can guarantee the planarization on the first conductive pressing plate 1 surface; Then, the operator can put into the poly-lithium battery of the good battery battery core lug 4 of bending in the Insulating frame 5, in corresponding position connecting hole is arranged above the battery battery core lug 4, battery battery core lug 4 is placed on above the first conductive pressing plate 1, and then baffler 7 is placed on directly over the battery battery core lug 4, at last the second conductive pressing plate 2 is placed on above the baffler 7, and with trip bolt with battery battery core lug 4, the first conductive pressing plate 1, baffler 7, the second conductive pressing plate 2 and Insulating frame 5 left parts are fixed together, at last, the operator adopts laser welder, by the laser welding hole 8 on the second conductive pressing plate 2 baffler 7 and battery battery core lug 4 laser welding are got up, guarantee the reliability of connection between baffler 7 and the battery battery core lug 4, thereby reduced the connection internal resistance between a plurality of polymer batteries, improved the conveyance capacity between a plurality of polymer batteries.
Therefore, based on as above technical scheme as can be known, the jockey of a kind of new polymers lithium battery that provides for the utility model, it can greatly improve the conduction switching performance between a plurality of poly-lithium batteries, reduce the connection internal resistance between a plurality of polymer batteries, improve simultaneously the connection reliability between a plurality of polymer batteries, namely improve the connection reliability of polymer battery group, therefore, can improve useful life and the environmental suitability of polymer battery group, the production application of polymer battery group is had great importance.
In sum; compared with prior art; the utility model provides a kind of jockey of new polymers lithium battery; it can be at a plurality of poly-lithium battery series and parallel connections together the time; can reduce the connection internal resistance between the battery; reliability when improving a plurality of batteries connection; so that the battery pack that a plurality of poly-lithium batteries form has long useful life and stability; guarantee simultaneously the safe handling of battery; can form the scale of industry; be conducive to use widely, be of great practical significance.
The above only is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.