CN206313086U - A kind of power battery module for collecting radiating heating one - Google Patents

Abstract

The utility model discloses a kind of power battery module for collecting radiating heating one, including battery core bracket, battery core and aluminum hull clamping plate, battery core bracket is cuboid internal cavities, more than two battery cores are placed in battery core bracket, it is close to aluminum hull clamping plate in battery core outermost both sides, characterized in that, the one side of battery core is pasted pastes silica gel piece at green special cotton and cell polar ear；Two or more pastes the battery core of green special cotton and silica gel piece, then in a battery core conductive graphite piece is pasted on green special cotton face the same face with pasting wherein, and heating plate is placed between two battery cores and heating plate two sides are mutually pasted with green special cotton face respectively；Temperature sensor is connected with conductive graphite piece；The attachment structure of the positive and negative lug of battery core uses laser welding or rivet.The utility model realizes the quick modularization in groups of power lithium-ion battery, is conducive to the maintenance and maintenance of battery and saves construction cycle, design cost, production cost.

Description

A kind of power battery module for collecting radiating heating one

Technical field

The utility model is related to new energy resource power battery field, and more specifically, the utility model is related to a kind of collection radiating Heat the power battery module of one.

Background technology

New-energy automobile refer to using unconventional vehicle fuel as know-why that power resources are formed it is advanced, have The automobile of new technology, new construction.

Used as a kind of new clean energy resource, because lithium-ion-power cell has, energy density is big, security is good, weight Gently, the advantages of having extended cycle life, has been widely used in the energy-storage system in new-energy automobile.Especially in electric automobile energy storage Field, lithium-ion-power cell has become first-selected battery variety.

In more than 65 DEG C charge and discharge of high temperature, battery inflatable causes battery failure or forms safety lithium-ion-power cell Problem, and electrokinetic cell operating current is big, quantity of heat production is big, it is necessary to quickly the heat transfer of electrokinetic cell is distributed, and prevents The too high generation potential safety hazard of temperature；Under cryogenic, the startability of vehicle can be deteriorated lithium-ion-power cell, thus pure electricity Electrical automobile power battery pack needs to be incubated or heat measure.Current high temperature radiating and low-temperature startup performance are electric car power supply systems One of subject matter that system presently, there are.

Traditional Soft Roll power battery module design is punched first at cell polar ear, is gone here and there or several several with high temperature gummed tape And battery core is intertwined, then with support on inserts conflux piece fastened by screw assembling, two sides paste EVA foams, With heat-shrinkable T bush entirety pyrocondensation；This technique punched at cell polar ear heavy damage cell polar ear overcurrent capability and increase lug Internal resistance, cause battery core to descend temperature to raise in working order, fasten lug and conflux piece in internal stent by screw, this operation Difficult and fragile cell polar ear；It is outside that the radiating for having a strong impact on battery core is coated using heat-shrinkable T bush；Said structure technique is serious Security of the influence lithium-ion-power cell in new-energy automobile application.

To solve the above problems, two technologies of aspect of radiating and heating are considered simultaneously in the prior art, also there are some Shens Patent and please differ from one another, such as：CN201210215864.6《Temperature controllable type lithium ion battery module for vehicles》, battery is by dustpan Type aluminium box is transferred heat on the aluminum heat conducting plate of both sides, and heat is drawn out to semiconductor chilling plate radiating from above aluminum heat conducting plate Cooling water is connected with plate, inside heat sink to take away heat.There is one piece of thermal insulation board between heat sink and aluminum heat conducting plate, thermal insulation board will Inside battery is kept apart with outside batteries, and one is provided with above thermal insulation board with an equal amount of mouth of cooling piece, and cooling piece is placed on it The middle function of completing refrigeration (or heating).This process is to control electric-control system by the sense electronicses thermometer bulb in aluminum heat conducting plate It is automatically obtained.

CN201310522402.3《For the device of the battery module of indirect cooling environment protection type automobile》, including：Heat conduction circle Panel, wherein being embedded with the heat pipe of overmolded, the thermally-conductive interface plate is arranged between at least two element cells；And radiator, The upper end of its heat pipe for being integrally connected to each overmolded, the radiator is arranged in cooling air stream.So as to improve boundary Adhesion between panel and element cell, therefore the heat dispersion of battery can be substantially improved, to prevent because of radiating The volumetric expansion for causing.The device also includes：With the planar heating body equal to or less than about 0.5mm thickness, it is arranged Between the element cell of non-configuration interface plate, so that battery to be heated to the temperature of proper level under cold start-up and low temperature environment Degree, to improve battery performance and prevent the decline of vehicle power.

CN201420352061.X《Battery module and corresponding battery pack》, the upper and lower of battery core is covered with and battery core respectively The conductive plate that two ends are weldingly connected, the periphery corresponding to position between two fillister skeletons of battery core row is wound with fire proof seal Adhesive tape, is covered with heating film above a conductive plate, be covered with insulating barrier below another conductive plate, insulating barrier or/and conductive plate or/ Louvre is provided with heating film；Conductive plate carries leading-out terminal.The upper and lower surface of battery module is respectively equipped with insulating barrier, heating Film, makes all battery cores of each battery module all be fixed between insulating barrier and heating film, and the periphery of battery core row is wound with Fire proof seal adhesive tape, all carries louvre on conductive plate, heating film and insulating barrier, special with temp regulating function and lightweight Point.

Even so, prior art also needs to continue to optimize.

Utility model content

The purpose that the utility model is directed to：It is complicated for existing lithium ion soft-package battery packaging technology and radiate in groups and add The problems of structure of heat integration, and a kind of power battery module for collecting radiating heating one is provided.

What the utility model was realized in：

A kind of power battery module for collecting radiating heating one, including battery core bracket, battery core and aluminum hull clamping plate, battery core bracket It is cuboid internal cavities, more than two battery cores are placed in battery core bracket, aluminum hull clamping plate is close in battery core outermost both sides, it is special Levy and be, the one side of battery core is pasted and silica gel piece is pasted at green special cotton and cell polar ear；Two or more pastes green special cotton and silica gel The battery core of piece, then in a battery core conductive graphite piece is pasted on green special cotton face the same face with pasting wherein, heating plate is placed on Mutually pasted with green special cotton face respectively between two battery cores and heating plate two sides；Temperature sensor is connected with conductive graphite piece；Electricity The attachment structure of the positive and negative lug of core uses laser welding or rivet.

Further, heating plate is fastened between being placed on two battery cores with high temperature gummed tape；Temperature sensor is by sensing Device fixed support is arranged in the circular hole in the middle of battery core bracket upper end.

Further, the battery core bracket upper end has 2 rectangle perforate adjacent sides to have 4 insert nuts, the side of side lower end three There is installation button bit, upper and lower side there are 4 circular mounting holes, and there are shrinkage pool and boss cylinder location structure in two sides；The battery core is used Upper end short side sets two square flexible package lithium ions of lug, and two battery core parallel connections are placed on battery core bracket cavity together In, battery core bracket carries out many strings or many combinations simultaneously, and the location structure being provided with by battery core bracket side during combination controls battery The deviation of block combiner.

Further, the aluminum hull clamping plate is the bending of aluminum alloy sheet metal component both sides and to open mounting hole site, bottom also some Bending and mounting hole, make battery core side in itself and battery core bracket installing tache bit position combination assembling and battery core bracket cavity closely paste Close, battery core heat is connected by aluminum hull heat transfer to exterior space or with outside cooling system.

Further, the pad of the green fire prevention foam class specially for long strips, is pasted onto battery core one or both sides；Battery core two Individual or multiple connection in series-parallel are placed the reserved battery core middle part of green special cotton and are formed and anti-puncture space and expansion is empty together, by centre Between.

Further, the heating plate is welded with male and female connector for rectangular sheet lower end, and upper end is welded with temperature detect switch (TDS), Overtemperature protection system is provided with temperature detect switch (TDS)；Heating plate is posted between the battery core of green special cotton installed in two groups, makes heating plate both sides Face contacts with two groups of battery core faces simultaneously.

Further, the conductive graphite piece for long strips graphite flake, be pasted onto battery core centre extend to lug it Between top；The temperature sensor is fitted tightly on the conductive graphite piece in battery core；The sensor fixed support is pushed down The rubber sleeve top of temperature sensor, rubber sleeve is fixed in battery core bracket.

Further, the silica gel piece is the silica gel pad of long strips, is pasted and fixed on soft pack cell lug position；

It is preferred that, lug connection sheet or aluminium sheet are connected with the positive and negative lug of battery core, and the lug is connected as long strips perforate copper coin, Lug connection sheet upper surface is developed in bending again through lug connection sheet tapping to make cell polar ear.

Further, when battery core positive terminal is provided with positive pole spot welding nickel sheet, cell polar ear is firm with lug connection sheet laser spot welding Combination, the positive pole spot welding nickel sheet be long strips nickel sheet；

When battery core positive terminal is not provided with positive pole spot welding nickel sheet, cell polar ear directly with aluminium sheet laser spot welding.

It is preferred that, the lug of battery core is laid in lug connection sheet after folding, lug platen cover on lug, lug pressing plate and Lug connection sheet is screwed in the lug groove of battery core bracket, is passed through between lug pressing plate, lug and lug connection sheet Laser welding forms conduction connecting structure.

It is preferred that, positive pole spot welding nickel sheet is stamped on the positive pole ear after folding, lug pressing plate, positive pole spot welding nickel sheet and lug connect Contact pin is screwed in the lug groove of battery core bracket, lug pressing plate, positive pole spot welding nickel sheet, lug and lug connection sheet it Between conduction connecting structure is formed by laser welding.

It is preferred that, in conduction connecting structure, lug pressing plate forms laser beam perforation, does not have laser to wear in lug and lug connection sheet Hole.

It is preferred that, positive pole spot welding nickel sheet forms laser beam perforation.

Further, the continuous coiled battery core of two or more is banded together as a battery core arranged side by side side by side, continuous winding The positive and negative plate upper end of battery is provided with anode ear and negative electrode lug, and rivet hole, cover plate of outer casing are respectively provided with anode ear and negative electrode lug It is provided with cover plate pole connection sheet；Anode ear and negative electrode lug are respectively by its rivet hole, rivet and riveting compressing tablet and respective lid Plate electrode post connection sheet rivets the positive electrode and negative electrode to form battery.

It is preferred that, battery core outer layer is cased with insulation bag, and insulation bag is arranged in battery core bracket or is fixed on and leads to again in battery core shell Battery core shell is crossed in the battery core bracket, the junction of battery core shell and cover plate of outer casing is provided with insulating support, battery core shell and Cover plate of outer casing is sealed using Laser Welding.

It is preferred that, rivet uses aluminium rivet, negative pole to use copper rivet in positive pole；Riveting compressing tablet is riveted in positive pole using aluminium Compressing tablet, negative pole is adopted as copper riveting compressing tablet；Cover plate pole connection sheet point positive terminal connection sheet and negative terminal connection sheet.

It is preferred that, the attachment structure of anode ear is：It is successively from top to bottom the first aluminium riveting compressing tablet, the first anode ear, positive pole Post connection sheet, the second anode ear, the second aluminium riveting compressing tablet, aluminium rivet sequentially pass through said structure, and by colding pressing, flange makes positive pole Ear and positive terminal connection sheet rivet the positive electrode to form battery.

It is preferred that, the attachment structure of negative electrode lug is：It is successively from top to bottom the first bronze medal riveting compressing tablet, the first negative electrode lug, negative pole Post connection sheet, the second negative electrode lug, the second bronze medal riveting compressing tablet, copper rivet sequentially pass through said structure, and by colding pressing, flange makes negative pole Ear and negative terminal connection sheet rivet the negative electrode to form battery.

It is preferred that, each punching has two rivet holes on anode ear and negative electrode lug, and anode ear is corresponding with the riveting compressing tablet at negative electrode lug Each punching has two rivet through holes on position, and rivet hole is identical with the diameter of rivet through hole and big 0.4 mm of diameter of than rivet.

It is the utility model delicate structure, easy for installation, and radiating and heating function are provided simultaneously with, radiate and be heated to be battery core Integral face is contacted with aluminum hull and heating plate, it is radiated and homogeneous heating, it is ensured that the excellent protection battery of battery module temperature control performance Service life；The utility model standard modular, can arbitrarily series and parallel is not limited by quantity as requested, so as to realize power The quick modularization in groups of lithium ion battery, is conducive to the maintenance and maintenance of soft bag lithium ionic cell module and saves exploitation week Phase, design cost, production cost.

When the mounting structure of the utility model lug is using riveting.Put with more than the 10C high currents at -40 DEG C -60 DEG C More than electricity and more than the normal temperature 3C performance quickly filled, and the continuous coiled battery core lug of multi-winding-core adopts with cover plate of outer casing connection sheet With colding pressing, flange is riveted, and riveting pressure is big.Eliminate because negative, negative plate lug, cover plate of outer casing connecting pole material surface are coarse Influence to contact resistance, effectively reduce the continuous coiled battery core lug of multi-winding-core and cover plate of outer casing connection sheet contact resistance and Laminated cell pole piece corner area is larger, and production efficiency is relatively low, is unfavorable for mass production and pole piece burrs on edges, shedding Problem rambunctious.Because impedance is small, charge and discharge heat production is few, and without obvious temperature rise, its cycle life significantly extends；Multi-winding-core is continuous Metal shell is not charged after winding battery core retainer plate insulation bag, after assembling, can improve the reliability and security of battery bag.

Brief description of the drawings

Fig. 1 is the structural representation of the utility model embodiment 1.

Fig. 2 is the structural blast schematic diagram of the utility model embodiment 1.

Fig. 3 is the modular structure schematic diagram of the utility model embodiment 1.

Fig. 4 is the modular structure exploded perspective view of the utility model embodiment 1.

Fig. 5 is the continuous coiled battery core schematic diagram of the multi pole ears of the utility model embodiment 2.

Fig. 6 is the lug of the utility model embodiment 2 and cover plate of outer casing connection sheet is colded pressing riveting side schematic view.

Fig. 7 is the pole lug of the utility model embodiment 2 and cover plate of outer casing connection sheet is colded pressing riveting front schematic view.

In figure：Power battery module 100, aluminum hull clamping plate 101, battery core bracket 102, battery core 103, heating plate 104, temperature is passed Sensor 105, sensor fixed support 106, lug connection sheet 107, positive pole spot welding nickel sheet 108, green special cotton 109, conductive graphite piece 110, silica gel piece 111, electrokinetic cell module 200, module clamping plate 201, module baffle plate 202, standing screw 203, flange nut 204, lug pressing plate 205, lug series connection pressing plate 206, combined screw 207；

Positive plate 401, negative plate 402, cover plate of outer casing 403, rivet 404 rivets compressing tablet 405, lug beam 406, cover plate pole Post connection sheet 407, continuous coiled battery core lug 408, insulation bag 409, continuous coiled battery core 411, cover plate electrode 412, absolutely Edge support 413, anode ear 414, negative electrode lug 415, battery core shell 416.

Specific embodiment

In order that technological means, technical characteristic, reached purpose and effect that the utility model is realized are easy to understand, with Lower combination the drawings and specific embodiments further illustrate the utility model.

Embodiment 1：

As shown in Fig. 1, Fig. 2, the battery module includes：

Aluminum hull clamping plate 101 is first and battery core bracket 102 assembles side；

Square polymer lithium ion battery cell is that battery core 103 specifies one side to paste stickup at green special cotton 109 and the lug of battery core 103 Silica gel piece 111；

Choose the battery core 103 that two (or three and more than) paste green special cotton 109 and silica gel piece 111, then wherein one Conductive graphite piece 110 (with the green face the same face of special cotton 109 is pasted) is pasted in individual battery core 103, then, heating plate 104 is placed on (it is affixed with the green face of special cotton 109 is pasted) between two battery cores 103, is fastened with high temperature gummed tape；

The battery core 103 that will be fixed again is placed in the inner chamber of battery core bracket 102 for combining aluminum hull clamping plate 101, makes battery core Aluminum hull clamping plate 101 is close in 103 sides, is then combining other side of the other one piece of aluminum hull clamping plate 101 in battery core bracket 102；

Lug connection sheet 107 is passed through into the positive and negative lug of battery core 103 again, the positive and negative lug bending of battery core 103 is developed into lug connects The upper surface of contact pin 107, the positive terminal of battery core 103 need to increase installation positive pole spot welding nickel sheet 108, be then placed in laser spot welding tool, Welded at the positive and negative lug of battery core 103 using laser spot welding contact；

Make it in the circular hole for filling in the middle of the upper end of battery core bracket 102 of the battery pack for a little welding by temperature sensor 105 again It is fitted on the conductive graphite piece 110 in battery core 103, then pushes down temperature sensor 105, rubber with sensor fixed support 106 Gum cover top is screwed in battery core bracket 102.

Battery core bracket 102 is cuboid internal cavities, and upper end has 2 rectangle perforate adjacent sides to have 4 insert nuts, side There is installation button bit on the side of lower end three, and upper and lower side has 4 circular mounting holes, and there are shrinkage pool and boss cylinder location structure in two sides；It is described Battery core 103 sets two square flexible package lithium ions of lug using upper end short side, and this design can be by two battery core parallel connections It is placed on together in the cavity of battery core bracket 102, many strings or many combinations simultaneously can be carried out for battery core bracket 102, during combination There is the location structure of the side of battery core bracket 102, can effectively control the deviation of battery module combination.

Aluminum hull clamping plate 101 is the bending of aluminum alloy sheet metal component both sides and to open mounting hole site, bottom also some bending and peace Dress hole, makes the side of battery core 103 in itself and the installing tache bit position of battery core bracket 102 combination assembling and the cavity of battery core bracket 102 tight Laminating, is conducive to the heat of battery core 103 to pass through aluminum hull heat transfer to exterior space or outside cooling system, and aluminum hull clamping plate is favorably protected Shield battery core receives external impacts.

Green special cotton 109 is the pad of the fire prevention foam class of long strips, is pasted onto the one or both sides of battery core 103；103 liang of battery core Together, by centre placing green special cotton 109 reserves the middle part of battery core 103 for individual or multiple connection in series-parallel, can avoid heating plate burr The risk of polymer battery core is punctured, and its expansion being heated down in working order there are enough safe spaces, greatly protected The service life of battery core 103.

Heating plate 104 is welded with male and female connector for rectangular sheet lower end, makes its convenient and fast connection；Upper end is welded with There is down the too high timely deenergization of heating-up temperature and plays a protective role in working order in temperature detect switch (TDS), controllable heating plate 104； Heating plate 104 is posted between the battery core 103 of green special cotton 109 installed in two groups, make the two sides of heating plate 104 simultaneously with two groups of battery cores The contact of 103 faces can ensure that the heating of battery core 103 is heated evenly, and greatly protect the service life of battery core 103.

Conductive graphite piece 110 is the graphite flake of long strips, is pasted onto between the centre of battery core 103 extends to lug and most pushes up End；The temperature sensor 105 is that the big small band two-wire rubber sleeve parcel of the grain of rice makes its head position be fitted tightly over battery core 103 On conductive graphite piece 110 on；The sensor fixed support 106 makes it push down the rubber sleeve top of temperature sensor 105 to fix In battery core bracket 102, it is ensured that what temperature sensor 105 can be reliable and stable constantly accurately monitors the temperature of battery core 103, it is ensured that electricity Security performance under the use state of pond；The position of temperature sensor 105 can arbitrarily convert during battery module combination modularity, no By position limitation.

Silica gel piece 111 is the silica gel pad of long strips, is pasted onto the lug position of soft pack cell 103 and ensures not shaken at lug Shake.

Lug connection sheet 107 is long strips perforate copper coin, the lug of battery core 103 is passed through the tapping of lug connection sheet 107 again The upper surface of lug connection sheet 107 is developed in bending, and the positive terminal of battery core 103 need to increase positive pole spot welding nickel sheet 108, can use laser electricity Welding machine makes the lug of battery core 103 firmly be combined with the laser spot welding of lug connection sheet 107.

The lug of battery core 103 is laid on lug connection sheet 107 or lug pad after folding, and lug pressing plate 205 is covered in pole On ear, lug pressing plate 205 and lug connection sheet 107（Or lug pad）It is screwed in the lug groove of battery core bracket 102 In, lug pressing plate 205, lug and lug connection sheet 107（Or lug pad）Between by laser welding formed be conductively connected knot Structure.

Positive pole spot welding nickel sheet 108, lug pressing plate 205, positive pole spot welding nickel sheet 108 and pole are stamped on positive pole ear after folding Ear connection sheet 107（Or lug pad）It is screwed in the lug groove of battery core bracket 102, lug pressing plate 205, positive limit Weldering nickel sheet 108, lug and lug connection sheet 107（Or lug pad）Between conduction connecting structure is formed by laser welding.

In conduction connecting structure, lug pressing plate 205 forms laser beam perforation, lug and lug connection sheet 107（Or lug pad Piece）Upper no laser beam perforation.

Positive pole spot welding nickel sheet 108 forms laser beam perforation.

Positive pole spot welding nickel sheet 108 is long strips nickel sheet；Or the positive terminal of battery core 103 can change lug connection sheet 107 Into aluminium sheet and the lug laser spot welding of battery core 103, make its fusion even closer firmly, when lug connection sheet 107 is replaced with aluminium sheet, just Positive pole spot welding nickel sheet 108 is not needed.

As shown in Fig. 3, Fig. 4, the battery modules combination includes：

The quantity permutation and combination on request of power battery module 100, both sides are sequentially placed module baffle plate 202, module clamping plate 201, standing screw 203 is being penetrated into module baffle plate 202, module clamping plate 201, battery modules 100 successively, standby upper flange nut 204 lockings；

Lug pressing plate 205, lug series connection pressing plate 206 is fixed on battery module 100 with combined screw 207 again, makes it Overall series connection turns into a big module.

Embodiment 2：

More than two battery cores 103 are placed in battery core bracket 102, when battery core 103 is continuous using two or more multi-winding-core During coiled battery core 411, the continuous coiled battery core 411 of two or more bands together continuously wind electricity side by side as one side by side Pond core pole group, the mounting structure of lug is using riveting.

Two or more continuous coiled battery cores 411 of multi-winding-core turn into a battery arranged side by side after banding together side by side, The outer layer of battery core 103 is cased with insulation bag 409（PE insulation bags）, insulation bag 409 is in battery core bracket 102 or is fixed on outside battery core It is arranged in battery core bracket 102 by battery core shell 416 again in shell 416, the junction of battery core shell 416 and cover plate of outer casing 403 It is provided with insulating support 413（PE insulating supports）, battery core shell 416 and cover plate of outer casing 403 are sealed using Laser Welding；Each multi-winding-core Continuous coiled battery core 411 is formed by positive plate 401, two-layer ceramic coated separator paper and negative plate 402 winding, positive plate 401 Anode ear and negative plate 402 on negative electrode lug respectively constitute battery anode ear 414 and negative electrode lug 415, two-layer ceramic coating Diaphragm paper separates positive plate 401 and negative plate 402.

The structure of anode ear 414 and negative electrode lug 415, positive and negative plate upper end has cut lug, and 2 are rushed on each lug directly Footpath 4.6mm is used for the hole that rivet 404 is passed through；The cover plate of outer casing 403 is provided with cover plate pole connection sheet 407, and point positive terminal connects Contact pin and negative terminal connection sheet；Rivet 404, just extremely aluminium rivet, negative pole is copper rivet；Riveting compressing tablet 405, just extremely aluminium riveting Compressing tablet, negative pole are that copper rivets compressing tablet.

At the punching of anode ear, its structure is successively from top to bottom the first aluminium riveting compressing tablet, the first anode ear, positive terminal Connection sheet, the second anode ear, the second aluminium riveting compressing tablet, the aluminium rivet of 2 diameter 4.2mm sequentially passes through said structure, using special The positive electrode that anode ear 414 and positive terminal connection sheet form battery is riveted with 10T pneumohydraulic pressure-cylinder riveting equipments flange of colding pressing；

At negative electrode lug, its structure is successively from top to bottom the first bronze medal riveting compressing tablet, the first negative electrode lug, negative terminal connection Piece, the second negative electrode lug, the second bronze medal riveting compressing tablet, 2 diameter 4.2mm copper rivets sequentially pass through said structure, using special 10T gas Liquid pressurized cylinder riveting equipment cold pressing flange riveting negative electrode lug 415 and negative terminal connection sheet formed battery negative electrode.

It is 2mm that aluminium rivets compressing tablet and the thickness of copper riveting compressing tablet, and has two holes of diameter 4.6mm.

General principle of the present utility model, principal character, frame mode and of the present utility model has been shown and described above Advantage.It should be understood by those skilled in the art that, the utility model is not restricted to the described embodiments, above-described embodiment and explanation Principle of the present utility model simply is illustrated described in book, on the premise of the utility model spirit and scope are not departed from, this reality Various changes and modifications are also had with new, these changes and improvements are both fallen within the range of claimed the utility model.This The claimed scope of utility model is by appending claims and its equivalent thereof.

Claims (20)

1. it is a kind of to collect the power battery module that one is heated in radiating, including battery core bracket (102), battery core (103) and aluminum hull clamping plate (101), battery core bracket (102) is cuboid internal cavities, and more than two battery cores (103) are placed in battery core bracket (102), It is close to aluminum hull clamping plate (101) in battery core (103) outermost both sides, it is characterised in that the one side of battery core (103) pastes green special cotton (109) With stickup silica gel piece (111) at battery core (103) lug；Two or more pastes the battery core of green special cotton (109) and silica gel piece (111) (103) conductive graphite piece (110), then wherein is pasted with green special cotton (109) the face the same face of stickup in a battery core (103), Heating plate (104) is placed between two battery cores (103) and heating plate (104) two sides are mutually glued with green special cotton (109) face respectively Patch；Temperature sensor (105) is connected with conductive graphite piece (110)；The attachment structure of the positive and negative lug of battery core (103) is using sharp Photocoagulation or rivet.

2. the power battery module of one is heated in a kind of collection radiating according to claim 1, it is characterised in that

Heating plate (104) is fastened between being placed on two battery cores (103) with high temperature gummed tape；

Circular hole of the temperature sensor (105) by sensor fixed support (106) in the middle of battery core bracket (102) upper end It is interior.

3. the power battery module of one is heated in a kind of collection radiating according to claim 1 and 2, it is characterised in that described Battery core bracket (102) upper end has 2 rectangle perforate adjacent sides to have 4 insert nuts, and there is installation button bit on the side of side lower end three, up and down There are 4 circular mounting holes at end, and there are shrinkage pool and boss cylinder location structure in two sides；The battery core (103) is set using upper end short side Two square flexible package lithium ions of lug, two battery core parallel connections are placed in battery core bracket (102) cavity together, battery core Support (102) carries out many strings or many combinations simultaneously, and the location structure being provided with by battery core bracket (102) side during combination controls electricity The deviation of pond block combiner.

4. the power battery module of one is heated in a kind of collection radiating according to claim 1 and 2, it is characterised in that described Aluminum hull clamping plate (101) is for the bending of aluminum alloy sheet metal component both sides and opens mounting hole site, bottom also some bending and mounting hole, makes Itself and battery core bracket (102) installing tache bit position combination assembling are closely pasted with battery core (103) side in battery core bracket (102) cavity Close, battery core (103) heat is connected by aluminum hull heat transfer to exterior space or with outside cooling system.

5. the power battery module of one is heated in a kind of collection radiating according to claim 1 and 2, it is characterised in that described Green special cotton (109) is the pad of the fire prevention foam class of long strips, is pasted onto battery core (103) one or both sides；Battery core (103) two Or multiple connection in series-parallel are together, by centre place reserved battery core (103) middle part of green special cotton (109) formed it is anti-puncture space and Expansion space.

6. the power battery module of one is heated in a kind of collection radiating according to claim 1 and 2, it is characterised in that described Heating plate (104) is welded with male and female connector for rectangular sheet lower end, and upper end is welded with temperature detect switch (TDS), is provided with temperature detect switch (TDS) Overtemperature protection system；Heating plate (104) makes heating plate between two groups of battery cores (103) for posting green special cotton (109) (104) two sides contact with two groups of battery core (103) faces simultaneously.

7. the power battery module of one is heated in a kind of collection radiating according to claim 1 and 2, it is characterised in that described Conductive graphite piece (110) is the graphite flake of long strips, is pasted onto battery core (103) centre and extends to top between lug； The temperature sensor (105) is fitted tightly on the conductive graphite piece (110) in battery core (103)；The sensor fixes branch Frame (106) pushes down the rubber sleeve top of temperature sensor (105), and rubber sleeve is fixed in battery core bracket (102).

8. the power battery module of one is heated in a kind of collection radiating according to claim 1, it is characterised in that the silica gel Piece (111) is the silica gel pad of long strips, is pasted and fixed on soft pack cell (103) lug position.

9. the power battery module of one is heated in a kind of collection radiating according to claim 1, it is characterised in that lug is connected Piece (107) or aluminium sheet are connected with battery core (103) positive and negative lug, and the lug connection sheet (107) is long strips perforate copper coin, makes electricity Through lug connection sheet (107) tapping, lug connection sheet (107) upper surface is developed in bending to core (103) lug again.

10. the power battery module of one is heated in a kind of collection radiating according to claim 9, it is characterised in that battery core (103) when positive terminal is provided with positive pole spot welding nickel sheet (108), battery core (103) lug is firm with lug connection sheet (107) laser spot welding Combination, the positive pole spot welding nickel sheet (108) is long strips nickel sheet；

When battery core (103) positive terminal is not provided with positive pole spot welding nickel sheet (108), battery core (103) lug directly with aluminium sheet laser spots Weldering.

A kind of 11. power battery modules for collecting radiating heating one according to claim 9, it is characterised in that battery core (103) lug is laid in lug connection sheet (107) after folding, and lug pressing plate (205) is covered on lug, lug pressing plate (205) it is screwed in the lug groove of battery core bracket (102) with lug connection sheet (107), lug pressing plate (205), pole Conduction connecting structure is formed by laser welding between ear and lug connection sheet (107).

12. a kind of power battery modules for collecting radiating heating one according to claim 9, it is characterised in that after folding Positive pole ear on be stamped positive pole spot welding nickel sheet (108), lug pressing plate (205), positive pole spot welding nickel sheet (108) and lug connection sheet (107) it is screwed in the lug groove of battery core bracket (102), lug pressing plate (205), positive pole spot welding nickel sheet (108), pole Conduction connecting structure is formed by laser welding between ear and lug connection sheet (107).

13. a kind of power battery modules for collecting radiating heating one according to claim 11, it is characterised in that conduction is even In binding structure, lug pressing plate (205) forms laser beam perforation, no laser beam perforation on lug and lug connection sheet (107).

A kind of 14. power battery modules for collecting radiating heating one according to claim 12, it is characterised in that positive limit Weldering nickel sheet (108) forms laser beam perforation.

15. a kind of power battery modules for collecting radiating heating one according to claim 1 and 2, it is characterised in that two Continuous coiled battery core (411) is banded together as a battery core (103) arranged side by side, continuous coiled battery core side by side above (411) positive and negative plate upper end is provided with anode ear (414) and negative electrode lug (415), and rivet is respectively provided with anode ear and negative electrode lug Hole, cover plate of outer casing (403) is provided with cover plate pole connection sheet (407)；Anode ear and negative electrode lug pass through its rivet hole, rivet respectively And riveting compressing tablet (405) forms the positive electrode and negative electrode of battery with the riveting of respective cover plate pole connection sheet (407) (404).

A kind of 16. power battery modules for collecting radiating heating one according to claim 15, it is characterised in that battery core (103) outer layer is cased with insulation bag (409), and insulation bag (409) is interior installed in battery core bracket (102) or is fixed on battery core shell (416) again by battery core shell (416) in the battery core bracket (102) in, battery core shell (416) and cover plate of outer casing (403) Junction be provided with insulating support (413), battery core shell (416) and cover plate of outer casing (403) are sealed using Laser Welding.

A kind of 17. power battery modules for collecting radiating heating one according to claim 15, it is characterised in that rivet (404) aluminium rivet, negative pole is used to use copper rivet in positive pole；Riveting compressing tablet (405) rivets compressing tablet in positive pole using aluminium, bears Pole is adopted as copper riveting compressing tablet；Cover plate pole connection sheet (407) point positive terminal connection sheet and negative terminal connection sheet.

A kind of 18. power battery modules for collecting radiating heating one according to claim 15, it is characterised in that anode ear (414) attachment structure is：It is successively from top to bottom that the first aluminium is riveting compressing tablet, the first anode ear, positive terminal connection sheet, second just Lug, the second aluminium riveting compressing tablet, aluminium rivet sequentially pass through said structure, anode ear (414) and positive terminal are made by flange of colding pressing Connection sheet rivets the positive electrode to form battery.

A kind of 19. power battery modules for collecting radiating heating one according to claim 15, it is characterised in that negative electrode lug (415) attachment structure is：It is successively from top to bottom the first bronze medal riveting compressing tablet, the first negative electrode lug, negative terminal connection sheet, second negative Lug, the second bronze medal riveting compressing tablet, copper rivet sequentially pass through said structure, negative electrode lug (415) and negative terminal are made by flange of colding pressing Connection sheet rivets the negative electrode to form battery.

A kind of 20. power battery modules for collecting radiating heating one according to claim 15, it is characterised in that anode ear There are two rivet holes with each punching on negative electrode lug, each punching has two on riveting compressing tablet (405) correspondence position at anode ear and negative electrode lug Individual rivet through hole, rivet hole is identical with the diameter of rivet through hole and 0.4 mm bigger than the diameter of rivet (404).