The rechargeable battery set of electric vehicle
Technical field
The rechargeable battery set of the relevant a kind of electric vehicle of the utility model, be applied in the electric motor car providing a kind of, make the rechargeable battery assembling convenient, and can reduce the cost of rechargeable battery, prolong the life-span of rechargeable battery, and obtain the rechargeable battery optimum performance, can keep the rechargeable battery set of electric motor car endurance.
Background technology
Enter the middle and later periods in 20th century, the mankind suffer from serious oil crisis, obtain energy with depending on the burning fossil feedstock unduly, and after causing the huge destruction of the environment of depending on for existence and polluting, energy-conservation and environmental protection are the most popular subject under discussion in the current whole world.
Show that according to the International Energy Agency statistics in the period of 2001~2003, it is about 57% singly to be that the consumption of petroleum of traffic purposes just accounts for the whole world, and estimates that to 2010 its consumption will promote above 60%.
Facing under oil shortage and environmental pollution problems and the trend, people propose one after another, to on the vehicles of energy resource consumption maximum, carry out technological revolution, and begin to seek, can on the vehicles, extensively utilize from now on, to get convenient cheap, do not pollute or less contaminated environment the new energy and system again, nearly all country recognizes that all the use kenel of the future transportation energy certainly will need transition.
Along with people constantly pay close attention to the traffic products such as electric automobile of energy-conserving and environment-protective, storage battery has become the bottleneck on the electronic traffic production development road; Wherein, maximum bottleneck is at battery, and the charge capacity of battery and charge and discharge speed all are the keys that influences the commodity maturation.About charge capacity, making up a plurality of batteries, to become a battery module be present ideal scheme, can increase electric weight though make up a plurality of batteries, and its present compound mode is for utilizing nickel sheet welding fixed form, it can't replace partly aging battery, can't reduce the buying expenses that upgrades battery.
And assembled battery becomes the method for battery module at present, and its structure is comparatively complicated with processing procedure, and not only cost is higher, and it is also lower to produce yield, makes the electric locomotive market development of initiation originally cover with the technical shade of one deck especially.
The utility model content
The technical problem that the utility model solved is promptly providing a kind of rechargeable battery that makes more flexible when using, easy to assembly, and can reduce the cost of rechargeable battery, prolong the life-span of rechargeable battery, and obtain the rechargeable battery optimum performance, can keep the rechargeable battery set of electric motor car endurance.
The technical solution of the utility model is: a kind of rechargeable battery set of electric vehicle, this electric motor car mainly is provided with rechargeable battery set, driver element and at least two wheels, this rechargeable battery set with power delivery to this driver element, and then drive wheel rotation, this rechargeable battery set is provided with in order to the casing of installing plural rechargeable battery and loam cake, this casing is provided with an accommodation space, and this accommodation space and be provided with upper shed and bottom surface, this loam cake then is located at upper shed place of this accommodation space, and be provided with plural brace between this loam cake and this accommodation space, each rechargeable battery just, negative pole then is connected with brace, and making those rechargeable batteries is serial or parallel connection.
Wherein, be equipped with 16 rechargeable batteries in the accommodation space of this casing, each rechargeable battery can be lithium ion polymer battery, each rechargeable battery just, negative pole is located at two distolateral with one side, and each rechargeable battery is 2 * 8 arranged, wherein in each rechargeable battery in vertical direction then in twos one group arrange with equidirectional, then arrange in the opposite direction between adjacent each group, wherein, be provided with nine braces between this loam cake and this accommodation space, this first brace and first row's first, the negative pole of two rechargeable batteries and the 3rd, the positive pole contact of four rechargeable batteries, this second brace and first row's first, the positive pole contact of two rechargeable batteries, the 3rd brace and second row's first, the negative pole contact of two rechargeable batteries, the 4th brace and second row's first, the positive pole of two rechargeable batteries and the 3rd, the negative pole contact of four rechargeable batteries, the 3rd of the 5th brace and first row, the negative pole of four rechargeable batteries and the 5th, the positive pole contact of six rechargeable batteries, the 3rd of the 6th brace and second row, the positive pole of four rechargeable batteries and the 5th, the negative pole contact of six rechargeable batteries, the 5th of the 7th brace and first row, the negative pole of six rechargeable batteries and the 7th, the positive pole contact of eight rechargeable batteries, the 7th of the 8th brace and first row, the negative pole of eight rechargeable batteries and second ranked seventh, the positive pole contact of eight rechargeable batteries, the 5th of the 9th brace and second row, the positive pole of six rechargeable batteries and the 7th, the negative pole contact of eight rechargeable batteries.
Further be provided with first, second external connector, this first and second external connector is located at this loam cake place, and is connected with this second and third brace respectively, and this first and second external connector also is connected with this driver element.
A kind of rechargeable battery set of electric vehicle, this electric motor car mainly is provided with rechargeable battery set, driver element and at least two wheels, this rechargeable battery set with power delivery to this driver element, and then drive wheel rotation, this rechargeable battery set be provided with in order to the casing of installing plural rechargeable battery and on, lower cover, this casing is provided with an accommodation space, and this accommodation space and being provided with, under shed, and on being somebody's turn to do, lower cover then be located at respectively this accommodation space on, lower opening, and on being somebody's turn to do, be provided with plural brace between lower cover and the accommodation space, each rechargeable battery just, negative pole then is connected with brace, and making those rechargeable batteries is serial or parallel connection.
Wherein, be equipped with 16 rechargeable batteries in the accommodation space of this casing, each rechargeable battery is a cylindrical battery, and each rechargeable battery is 4 * 4 arranged, wherein adjacent first, two rows or the 3rd, arrange with equidirectional in horizontal direction in four each rechargeable battery of row, then arrange in the opposite direction in vertical direction, and adjacent second, arrange in the opposite direction in horizontal direction in three each rechargeable battery of row, wherein, be provided with five braces between this loam cake and the accommodation space, this first brace and first, two rows' first rechargeable battery contact, this second brace and the 3rd, four rows' first rechargeable battery contact, the 3rd brace and first, two rows' second, the contact of three rechargeable batteries, the 4th brace and the 3rd, four rows' second, the contact of three rechargeable batteries, the 5th brace and first, two, three, four rows' the 4th rechargeable battery contact; And be provided with four braces between this lower cover and the accommodation space, this first brace contacts with first and second rechargeable battery of first and second row, this second brace contacts with first and second rechargeable battery of third and fourth row, the 3rd brace contacts with third and fourth rechargeable battery of first and second row, and the 4th brace contacts with third and fourth rechargeable battery of third and fourth row.
Be equipped with 16 rechargeable batteries in the accommodation space of this casing, each rechargeable battery is a square battery, and each rechargeable battery is 2 * 8 arranged, wherein in each rechargeable battery in vertical direction in twos one group arrange with equidirectional, then arrange in the opposite direction between adjacent each group, wherein, be provided with five braces between this loam cake and the accommodation space, this first brace and first row's first, the contact of two rechargeable batteries, this second brace and second row's first, the contact of two rechargeable batteries, the 3rd brace contacts with first row's the 3rd to six rechargeable battery, the 4th brace contacts the 5th brace and first with second row's the 3rd to six rechargeable battery, the 7th of two rows, the contact of eight rechargeable batteries; And be provided with four braces between this lower cover and the accommodation space, this first brace contacts with first to fourth rechargeable battery of first row, this second brace contacts with first to fourth rechargeable battery of second row, the 3rd brace contacts with first row's the 5th to eight rechargeable battery, and the 4th brace contacts with second row's the 5th to eight rechargeable battery.
Further be provided with first, second external connector, this first and second external connector is located at this loam cake place, and is connected with this first and second brace respectively, and this first and second external connector also is connected with this driver element.
Each brace one respectively is located at the upper and lower cover place.
This brace is nickel sheet or spring, and each brace further is provided with contact point, and each contact point is connector, metal clips, spring needle or shell fragment.
This driver element is a motor.
The beneficial effects of the utility model are: rechargeable battery set of the present utility model is installed in the electric motor car, in order to power delivery to a driver element, and then drives the wheel rotation, and electric motor car can be advanced; Wherein this rechargeable battery set mainly is provided with in order to installing the casing of plural rechargeable battery, and needs the loop of serial or parallel connection to be arranged between the loam cake or lower cover of each rechargeable battery and this casing each rechargeable battery, combines with each rechargeable battery when to be used again; The utility model utilizes the operating characteristic of rechargeable battery; the charging of single rechargeable battery or charged in parallel battery pack will be easy to control; again single rechargeable battery serial or parallel connection is used during use; not only do not need the charge protection plate; and all monocells all are in full charging; under the situation of voltage unanimity, will obtain the optimum cycle life-span of rechargeable battery, make this electric motor car be maintained its endurance.
Description of drawings
Fig. 1 is the STRUCTURE DECOMPOSITION figure of rechargeable battery set first embodiment in the utility model.
Fig. 2 is the structural representation of rechargeable battery set first embodiment in the utility model.
Fig. 3 is the loop structure schematic diagram of rechargeable battery set in the utility model.
Fig. 4 is the STRUCTURE DECOMPOSITION figure of rechargeable battery set second embodiment in the utility model.
Fig. 5 is the STRUCTURE DECOMPOSITION figure of rechargeable battery set the 3rd embodiment in the utility model.
Fig. 6 is the structural representation of rechargeable battery set the 3rd embodiment in the utility model.
Fig. 7 is applied to the structural representation of electric bicycle for rechargeable battery set in the utility model.
Fig. 8 is applied to the structural representation of electric motor car for rechargeable battery set in the utility model.
Fig. 9 is applied to the structural representation of electric automobile for rechargeable battery set in the utility model.
[figure number explanation]
Rechargeable battery set 1; Casing 10; Accommodation space 11; Upper shed 12; Under shed 13; Bottom surface 14; Loam cake 20; First brace 21; Second brace 22; The 3rd brace 23; The 4th brace 24; The 5th brace 25; The 6th brace 26; The 7th brace 27; The 8th brace 28; The 9th brace 29; Contact point 210; Lower cover 30; First brace 31; Second brace 32; The 3rd brace 33; The 4th brace 34; Contact point 310; Rechargeable battery 40; Anodal 41; Negative pole 42; First rechargeable battery 411,421,431,441; Second rechargeable battery 412,422,432,442; The 3rd rechargeable battery 413,423,433,443; The 4th rechargeable battery 414,424,434,444; The 5th rechargeable battery 415,425; The 6th rechargeable battery 416,426; The 7th rechargeable battery 417,427; The 8th rechargeable battery 418,428; First external connector 51; Second external connector 52; Electric motor car 6; Driver element 61; Wheel 62.
Embodiment
The rechargeable battery set that the utility model is primarily aimed at general electric vehicle is improved, and shown in first embodiment of Fig. 1 and Fig. 2, this rechargeable battery set 1 includes: a casing 10, a upper and lower cover 20,30 and a plural rechargeable battery 40.
Wherein: this casing 10 is provided with an accommodation space 11, and this accommodation space 11 and be provided with upper and lower opening 12,13.
This loam cake 20 is located at upper shed 12 places of this accommodation space 11 relatively, be provided with plural brace between this loam cake 20 and this accommodation space 11, among the embodiment as shown in the figure, be provided with five braces (first, second, third and fourth, five braces 21,22,23,24,25), each brace 21,22,23,24,25 is provided with at least two contact points 210.
This lower cover 30 is located under shed 13 places of this accommodation space 11 relatively, be provided with plural brace between this lower cover 30 and this accommodation space 11, among the embodiment as shown in the figure, be provided with four braces (first, second, third and fourth brace 31,32,33,34), each brace 31,32,33,34 is provided with at least two contact points 310, each brace of this upper and lower cover 20,30 can be the nickel sheet, perhaps can be spring, and each contact point 210,310 can be connector, metal clips, spring needle or shell fragment; And plural rechargeable battery 40 is installed in this accommodation space 11, and the positive and negative electrode of each rechargeable battery 40 41,42 is connected with brace, makes those rechargeable batteries 40 be serial or parallel connection.
Wherein, be equipped with 16 rechargeable batteries 40 in the accommodation space 11 of this casing, each rechargeable battery 40 can be cylindrical battery, and each rechargeable battery 40 is 4 * 4 arranged, wherein adjacent first and second row or third and fourth are arranged in each rechargeable battery and are arranged with equidirectional in horizontal direction, then arrange in the opposite direction in vertical direction, and adjacent second and third arranged and arranged in the opposite direction in horizontal direction in each rechargeable battery; That is, the positive pole of this first and second row's first rechargeable battery 411,421 all up, and the negative pole of first and second row's second rechargeable battery 412,422 is all up, and the negative pole of third and fourth row's first rechargeable battery 431,441 is all up.
And the contact point 210 and first of first brace 21 of this loam cake, two rows' first rechargeable battery 411,421 contacts, the contact point 210 and the 3rd of this second brace 22, four rows' first rechargeable battery 431,441 contacts, the contact point 210 and first of the 3rd brace 23, two rows' second, three rechargeable batteries 412,422,413,423 contacts, the contact point 210 and the 3rd of the 4th brace 24, four rows' second, three rechargeable batteries 432,442,433,443 contacts, the contact point 210 and first of the 5th brace 25, two, three, four rows' the 4th rechargeable battery 414,424,434,444 contacts; And the contact point 310 and first of first brace 31 of this lower cover, two rows' first, two rechargeable batteries 411,421,412,422 contacts, the contact point 310 and the 3rd of this second brace 32, four rows' first, two rechargeable batteries 431,441,432,442 contacts, the contact point 310 and first of the 3rd brace 33, the 3rd of two rows, four rechargeable batteries 413,423,414,424 contacts, the contact point 310 and the 3rd of the 4th brace 34, the 3rd of four rows, four rechargeable batteries 433,443,434,444 contacts, setting by brace among first embodiment makes each rechargeable battery 40 in the casing 10 form eight string two loops also, as shown in Figure 3; Certainly, further be provided with first, second external connector 51,52, as shown in Figure 1, 2, this first and second external connector 51,52 is located at this loam cake 20 places, and is connected with this first and second brace 21,22 respectively.
Shown in second embodiment of Fig. 4, each rechargeable battery 40 can be square battery, and each rechargeable battery 40 is 2 * 8 arranged, wherein adjacent first and second arrange in each rechargeable battery in vertical direction in twos one group arrange with equidirectional, then arrange in the opposite direction between adjacent each group; That is, this first row first and second rechargeable battery 411,412 positive pole all up, and second row first and second rechargeable battery 421,422 negative pole all up, and first row third and fourth rechargeable battery 413,414 negative pole all up.
And the contact point 210 of first brace 21 of this loam cake and first row first, two rechargeable batteries 411,412 contacts, the contact point 210 of this second brace 22 and second row's first, two rechargeable batteries 421,422 contacts, the contact point 210 of the 3rd brace 23 and first row's the 3rd to six rechargeable battery 413,414,415,416 contacts, the contact point 210 of the 4th brace 24 and second row's the 3rd to six rechargeable battery 423,424,425,426 contacts, the contact point 210 and first of the 5th brace 25, the 7th of two rows, eight rechargeable batteries 417,427,418,428 contacts; And first to fourth rechargeable battery 411 of the contact point 310 of first brace 31 of this lower cover and first row, 412,413,414 contacts, first to fourth rechargeable battery 421 of the contact point 310 of this second brace 32 and second row, 422,423,424 contacts, the contact point 310 of the 3rd brace 33 and first row's the 5th to eight rechargeable battery 415,416,417,418 contacts, the contact point 310 of the 4th brace 34 and second row's the 5th to eight rechargeable battery 425,426,427,428 contacts, setting by brace among second embodiment makes each rechargeable battery 40 in the casing 10 form eight string two loops also, as shown in Figure 4; Certainly, further be provided with first, second external connector 51,52, as shown in Figure 5, this first and second external connector 51,52 is located at this loam cake 20 places, and is connected with this first and second brace 21,22 respectively.
Shown in the 3rd embodiment of Fig. 5 and Fig. 6, this rechargeable battery set includes: a casing 10, a loam cake 20 and plural rechargeable battery 40; Wherein, This casing 10 is provided with an accommodation space 11 equally, and this accommodation space and be provided with upper shed 12 and bottom surface 14, each rechargeable battery 40 is installed in this accommodation space 11, this loam cake 20 then is located at upper shed 12 places of this accommodation space relatively, be provided with plural brace between this loam cake 20 and this accommodation space, among the embodiment as shown in the figure, be provided with nine braces (first, two, three, four, five, six, seven, eight, nine braces 21,22,23,24,25,26,27,28,29), each brace 21,22,23,24,25,26,27,28,29 are provided with at least two contact points 210.
Wherein, be equipped with 16 rechargeable batteries 40 in the accommodation space 11 of this casing, each rechargeable battery 40 can be lithium ion polymer battery, the positive and negative electrode 41,42 of each rechargeable battery 40 is located at two distolateral with one side, and each rechargeable battery is 2 * 8 arranged, wherein in each rechargeable battery in vertical direction then in twos one group arrange with equidirectional, then arrange in the opposite direction between adjacent each group; That is, this first row's the negative pole 42 of first and second rechargeable battery 411,412 is positioned at the left side and anodal 41 is positioned at the right side, and the negative pole 42 of first and second rechargeable battery 421,422 of second row all up, and the negative pole 42 of third and fourth rechargeable battery 413,414 of first row all up.
And the contact point 210 of first brace 21 of this loam cake and first row first, two rechargeable batteries 411,412 negative pole 42 and the 3rd, four rechargeable batteries 413,414 positive pole 41 contacts, the contact point 210 of this second brace 22 and first row's first, two rechargeable batteries 421,422 positive pole 41 contacts, the contact point 210 of the 3rd brace 23 and second row's first, two rechargeable batteries 421,422 negative pole 42 contacts, the contact point 210 of the 4th brace 24 and second row's first, two rechargeable batteries 421,422 positive pole 41 and the 3rd, four rechargeable batteries 423,424 negative pole 42 contacts, the 3rd of the contact point 210 of the 5th brace 25 and first row, four rechargeable batteries 413,414 negative pole 42 and the 5th, six rechargeable batteries 415,416 positive pole 41 contacts, the 3rd of the contact point 210 of the 6th brace 26 and second row, four rechargeable batteries 423,424 positive pole 41 and the 5th, six rechargeable batteries 425,426 negative pole 42 contacts, the 5th of the contact point 210 of the 7th brace 27 and first row, six rechargeable batteries 415,416 negative pole 42 and the 7th, eight rechargeable batteries 417,417 positive pole 41 contacts, the 7th of the contact point 210 of the 8th brace 28 and first row, eight rechargeable batteries 417,418 negative pole 42 and second ranked seventh, eight rechargeable batteries 427,428 positive pole 41 contacts, the 5th of the contact point 210 of the 9th brace 29 and second row, six rechargeable batteries 425,426 positive pole 41 and the 7th, eight rechargeable batteries 427,42 contacts of 428 negative pole form eight string two loops also by each rechargeable battery that can make equally in the casing that is provided with of brace among the 3rd embodiment; Certainly, can further be provided with first, second external connector 51,52, this first and second external connector 51,52 is located at this loam cake 20 places, and is connected with this second and third brace 22,23 respectively.
The rechargeable battery set of the various embodiments described above is applied in the electric motor car 6, for example can be applicable in electric bicycle (as shown in Figure 7), electric motor car (as shown in Figure 8) or the electric automobile (as shown in Figure 9), wherein, this electric motor car 6 mainly is provided with rechargeable battery set 1 of the present utility model, driver element 61 and at least two wheels 62, first and second external connector of this rechargeable battery set 1 is connected (figure does not show) with this driver element, this rechargeable battery set 1 with power delivery to this driver element 61 (can be motor), and then drive wheel 62 rotations, and electric motor car can be advanced; Certainly, plural number rechargeable battery set of the present utility model can be carried out serial or parallel connection and form bigger electric power output use.
In the various embodiments described above, but each brace one is located at the upper and lower cover place respectively, also can be arranged with the upper and lower cover branch.
The utility model has rechargeable battery set to have following advantages compared to habit:
1, the utility model consists of loam cake or the lower cover place that link circuit between each rechargeable battery is made in casing in addition, does not need by welding manner, and the easy and processing cost of its processing mode greatly reduces.
When 2, this rechargeable battery set is charged, can utilize charging equipment one a pair of each rechargeable battery charging, or utilize the parallel way charging, can guarantee to have identical voltage or capacitance after each rechargeable battery charging, make this rechargeable battery have better effective utilization, and can guarantee its service life; And this charging circuit board can be arranged in this charging equipment, make this rechargeable battery set not need to arrange in addition charging circuit board.
3, be detachable because of link circuit of the present utility model and this rechargeable battery but not be welded and fixed, so when wherein single or part rechargeable battery damaged, the replaceable rechargeable battery that should damage got final product, and does not need whole group to abandon.