CN209344184U

CN209344184U - Battery system and electric vehicle with the battery system

Info

Publication number: CN209344184U
Application number: CN201920053559.9U
Authority: CN
Inventors: 王军; 黄立亮; 刘丽荣; J.W.江
Original assignee: Farasis Energy Ganzhou Co Ltd
Current assignee: Farasis Energy Ganzhou Co Ltd
Priority date: 2019-01-11
Filing date: 2019-01-11
Publication date: 2019-09-03
Anticipated expiration: 2029-01-11

Abstract

The utility model discloses a kind of battery system and with the electric vehicle of the battery system.The battery system includes: mounting shell, has installation cavity in mounting shell；Battery modules, battery modules are located in installation cavity, and battery modules include: shell, have accommodating chamber in shell；Modular battery component, modular battery component are located in accommodating chamber；With insulation glue-line, insulation glue-line is filled in accommodating chamber；Heat-exchanger rig, heat-exchanger rig are located in installation cavity, and heat-exchanger rig is located in a first direction between battery modules and the first wall surface of installation cavity, and battery modules are contacted with heat-exchanger rig；And elastic component, elastic component are located between heat-exchanger rig and the first wall surface of installation cavity and/or are located between battery modules and the second wall surface of installation cavity and contact with them, elastic component is in compressive state.Have many advantages, such as that heat transfer efficiency height, performance stabilization, long service life, highly-safe, good insulation preformance, degree of protection are high according to the battery system of the utility model embodiment.

Description

Battery system and electric vehicle with the battery system

Technical field

The utility model relates to field of batteries, and in particular, to battery system is further related to electronic with the battery system Vehicle.

Background technique

Battery modules are the core components of electric vehicle, and the battery of battery modules is the power source of electric vehicle.Temperature is straight The performance for influencing battery is connect, the operating temperature strict control to battery is needed.The exception of temperature can be to the battery of electric vehicle Performance, service life have an immense impact on, in some instances it may even be possible to the safety problems such as thermal runaway occur.

Utility model content

The purpose of this utility model is to overcome problem of the existing technology, battery system is provided and there is the battery The electric vehicle of system.

To achieve the goals above, the utility model first aspect provides a kind of battery system, and the battery system includes: Mounting shell, the mounting shell is interior to have installation cavity, and the installation cavity has the first wall surface and second opposite in a first direction Wall surface；Battery modules, the battery modules are located in the installation cavity, and the battery modules include: shell, tool in the shell There is accommodating chamber；Modular battery component, the modular battery component are located in the accommodating chamber；With insulation glue-line, the insulating cement Layer is filled in the accommodating chamber；Heat-exchanger rig, the heat-exchanger rig are located in the installation cavity, and the heat-exchanger rig is described On first direction between the battery modules and the first wall surface of the installation cavity, the battery modules and the heat exchange are filled Set contact；And elastic component, the elastic component are located at the of the heat-exchanger rig and the installation cavity in said first direction It is located between the battery modules and the second wall surface of the installation cavity between one wall surface and/or in said first direction, institute Elastic component is stated to contact with each of the heat-exchanger rig and the first wall surface of the installation cavity and/or the elastic component and institute The contact of each of second wall surface of battery modules and the installation cavity is stated, wherein the elastic component is in compressive state.

Battery system according to the present utility model have heat transfer efficiency height, performance stabilization, long service life, it is highly-safe, The high advantage of good insulation preformance, degree of protection.

Preferably, the elastic component is elastic plate or elastic layer.

Preferably, the battery modules be it is multiple, the elastic component be it is multiple, multiple elastic components are set at interval It sets, wherein each battery modules and at least two elastic components are opposite in said first direction.

Preferably, the decrement of the elastic component is 20%-60% and/or the compression stress of the elastic component is 30,000 - 90 kPas of pa.

Preferably, the battery system further comprises the first flexible material layer, and first flexible material layer is described Be located on first direction between the heat-exchanger rig and the first wall surface of the installation cavity, first flexible material layer with it is described First wall surface of installation cavity contacts, and first flexible material layer connects with one in the heat-exchanger rig and the elastic component Touching, wherein first flexible material layer is insulating layer.

Preferably, the battery system further comprises the second flexible material layer, and second flexible material layer is described It is located on first direction between the battery modules and the heat-exchanger rig, second flexible material layer and the battery modules With the contact of each of the heat-exchanger rig, wherein second flexible material layer is heat-conducting layer.

Preferably, the modular battery component includes the first pcb board, the second pcb board and multiple battery modules, each described Battery module includes: multiple batteries, and each battery includes ontology, anode ear and negative electrode lug, and the ontology has in its length Spend opposite first end and the second end and opposite in the width direction first end face and second end face on direction, institute It states anode ear and is located at the first end, the negative electrode lug is located at the second end, in the anode ear and the negative electrode lug The center line of each in the width direction of the ontology be located at the first end face and the ontology length centerline Between, the center line of each of the anode ear and described negative electrode lug extends along the length direction of the ontology；Just Pole busbar connector, the positive bus include positive isostere and multiple positive interconnecting pieces, and the anode isostere is in the ontology In width direction between the center line and the second end face of the anode ear, multiple positive interconnecting pieces are along institute The thickness direction for stating ontology is located at interval in the positive isostere, the anode ear of the plurality of battery with it is multiple described Positive interconnecting piece is connected；And negative bus-bar, the negative bus-bar include cathode isostere and multiple cathode interconnecting pieces, it is described negative Pole isostere is located between the center line and the second end face of the negative electrode lug in the width direction of the ontology, multiple The cathode interconnecting piece is located in the cathode isostere at interval along the thickness direction of the ontology, and multiple batteries are born Tab is connected with multiple cathode interconnecting pieces, the plurality of battery module series connection, in the two neighboring battery module One positive bus be connected with another the negative bus-bar in the two neighboring battery module, phase Even the positive bus and the negative bus-bar constitute series connection row, first pcb board in multiple rows of series connection A part be connected, second pcb board with it is multiple it is described series connection rows in rest part be connected, wherein first pcb board It is filled with the insulation glue-line between multiple batteries, is filled between second pcb board and multiple batteries State insulation glue-line.

Battery system, the accommodating chamber have opposite the first wall surface and the second wall surface in a first direction and second Opposite third wall surface and the 4th wall surface on direction, the first direction perpendicular to the second direction, the battery modules into One step includes: insulating protecting plate, and the insulating protecting plate is located on the modular battery component, and the insulating protecting plate is described On first direction between first wall surface and the modular battery component, the insulating protecting plate and first wall surface Between be filled with the insulation glue-line；First insulation protection side plate, the first insulation protection side plate and the insulating protecting plate Be connected, the first insulation protection side plate be located in this second direction the third wall surface and the modular battery component it Between, first pcb board is located in this second direction between the first insulation protection side plate and multiple batteries, Described between the first pcb board and the first insulation protection side plate be filled with the insulation glue-line, first insulation protection The insulation glue-line is filled between side plate and the third wall surface；With the second insulation protection side plate, second insulation protection Side plate is connected with the insulating protecting plate, and the second insulation protection side plate is located at the 4th wall surface in this second direction Between the battery component, second pcb board is located at the second insulation protection side plate and more in this second direction Between a battery, wherein the insulation glue-line is filled between second pcb board and the second insulation protection side plate, The insulation glue-line is filled between the second insulation protection side plate and the 4th wall surface.

Preferably, the insulation glue-line is full of the accommodating chamber.

The utility model second aspect provides electric vehicle, and the electric vehicle includes: car body；And battery system, it is described Battery system is the battery system according to the utility model first aspect, and the battery system is located on the car body.

Electric vehicle according to the present utility model has the advantages that performance is stable and highly-safe.

Detailed description of the invention

Fig. 1 is the structural schematic diagram according to the battery modules of the utility model embodiment；

Fig. 2 is the explosive view according to the battery modules of the utility model embodiment；

Fig. 3 is the structural schematic diagram according to the battery of the battery modules of the utility model embodiment；

Fig. 4 is the partial structural diagram according to the battery of the battery modules of the utility model embodiment；

Fig. 5 is the structural representation according to the positive bus and negative bus-bar of the battery modules of the utility model embodiment Figure；

Fig. 6 is the structural representation according to the positive bus and negative bus-bar of the battery modules of the utility model embodiment Figure；

Fig. 7 is the partial exploded view according to the battery modules of the utility model embodiment；

Fig. 8 is the explosive view according to the shell of the battery modules of the utility model embodiment；

Fig. 9 is the structural schematic diagram according to the first end cover (second end cover) of the battery modules of the utility model embodiment；

Figure 10 is the partial sectional view according to the shell of the battery modules of the utility model embodiment；

Figure 11 is the partial structural diagram according to the battery modules of the utility model embodiment；

Figure 12 is the partial structural diagram according to the battery modules of the utility model embodiment；

Figure 13 is the partial structural diagram according to the battery modules of the utility model embodiment；

Figure 14 is the partial structural diagram according to the battery modules of the utility model embodiment；

Figure 15 is the partial sectional view according to the battery modules of the utility model embodiment；

Figure 16 is the partial structural diagram according to the battery system of the utility model embodiment；

Figure 17 is the partial exploded view according to the battery system of the utility model embodiment；

Figure 18 is the partial exploded view according to the battery system of the utility model embodiment；

Figure 19 is the partial structural diagram according to the electric vehicle of the utility model embodiment；

Figure 20 is the partial exploded view according to the electric vehicle of the utility model embodiment；

Figure 21 is the partial structural diagram according to the electric vehicle of the utility model embodiment；

Figure 22 is the partial sectional view according to the signal Transmission Part of the battery modules of the utility model embodiment；

Figure 23 is the partial sectional view according to the signal Transmission Part of the battery modules of the utility model embodiment.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings.Below by The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and should not be understood as practical new to this The limitation of type.

Below with reference to the accompanying drawings battery system 100 according to the utility model embodiment is described.As shown in Figure 15-Figure 18, root Battery system 100 according to the utility model embodiment includes mounting shell 2, battery modules 1, heat-exchanger rig 3 and elastic component 4.

There is installation cavity 23, installation cavity 23 has the first opposite in a first direction wall surface 231 and second in mounting shell 2 Wall surface 232, battery modules 1 are located in installation cavity 23, and heat-exchanger rig 3 is located in installation cavity 23.Heat-exchanger rig 3 is in the first direction Above between battery modules 1 and the first wall surface 231 of installation cavity 23, battery modules 1 are contacted with heat-exchanger rig 3.

Elastic component 4 be located between heat-exchanger rig 3 and the first wall surface 231 of installation cavity 23 in the first direction and/or It is located on the first direction between battery modules 1 and the second wall surface 232 of installation cavity 23.Elastic component 4 and heat-exchanger rig 3 and installation Second wall surface 232 of the contact of each of the first wall surface 231 of chamber 23 and/or elastic component 4 and battery modules 1 and installation cavity 23 Each of contact.Elastic component 4 is in compressive state.

Battery modules 1 include shell 17, modular battery component 10 and insulation glue-line 18.There is accommodating chamber 177 in shell 17, Modular battery component 10 is located in accommodating chamber 177, and insulation glue-line 18 is filled in accommodating chamber 177.

Pass through the first wall surface in heat-exchanger rig 3 and installation cavity 23 according to the battery system 100 of the utility model embodiment Setting is in the elastic component 4 of compressive state and/or sets between battery modules 1 and the second wall surface 232 of installation cavity 23 between 231 Set the elastic component 4 in compressive state, thus elastic component 4 can exchange thermal 3 apply towards battery modules 1 elastic force and/ Or the elastic force towards heat-exchanger rig 3 is applied to battery modules 1.

It is possible thereby to contact heat-exchanger rig 3 and battery modules 1 closely, effectively, so as to effectively in battery Heat is transmitted between mould group 1 and heat-exchanger rig 3, it can it utilizes heat-exchanger rig 3 effectively cooling or heats battery modules 1, with It can be so that the temperature of battery modules 1 be in operating temperature range always, it is ensured that 100 performance of battery modules 1 and battery system Stablize, be in good working order always.

Therefore, heat transfer efficiency height had according to the battery system of the utility model embodiment 100, performance stabilization, use the longevity The advantages that life is long, highly-safe.

Moreover, battery modules 1 are filled in accommodating chamber 177 by the glue-line 18 that will insulate, thus not only can be to avoid battery The various pieces of mould group 1 generate loosening under long-term vibration, so as to greatly extend the service life of battery modules 1, and And water, dust can be prevented etc. and entered in accommodating chamber 177, to improve the insulation performance and degree of protection of battery modules 1.

Therefore, heat transfer efficiency height had according to the battery system of the utility model embodiment 100, performance stabilization, use the longevity The advantages that ordering long, highly-safe, good insulation preformance, high degree of protection.

As shown in Fig. 1-Figure 23, in some embodiments of the utility model, battery modules 1 may include modular battery group Part 10, multiple graphite guide warmwares 151, graphite soaking plate 152, the first insulating protecting plate 161, the second insulating protecting plate 162, third Insulating protecting plate 163, the 4th insulating protecting plate 164 and shell 17.

Shell 17 may include shell 171, can have accommodating chamber 177 in shell 171, modular battery component 10, multiple Graphite guide warmware 151, graphite soaking plate 152, the first insulating protecting plate 161, the second insulating protecting plate 162, third insulation protection Plate 163 and the 4th insulating protecting plate 164 can be located in accommodating chamber 177.

As shown in Figure 3 and Figure 4, battery module 10a may include multiple batteries 11, positive bus 12 and negative bus-bar 13.Each battery 11 may include ontology 111, anode ear 112 and negative electrode lug 113, and ontology 111 can have in its length direction Upper opposite first end and the second end, ontology 111 can have first end face and second opposite in the width direction End face.Wherein, the length direction of ontology 111 is as shown in the arrow A in Fig. 4, the width direction of ontology 111 such as the arrow B in Fig. 4 It is shown.It will be appreciated by persons skilled in the art that the anode ear 112 of battery 11 can be located on the first end of ontology 111, The center line L1 of anode ear 112 can be located at the first end face and ontology 111 of ontology 111 in the width direction of ontology 111 Between length centerline L2, the center line of anode ear 112 can extend along the length direction of ontology 111.The cathode of battery 11 Ear 113 can be located on the second end of ontology 111, and the center line of negative electrode lug 113 can position in the width direction of ontology 111 Between the first end face of ontology 111 and the length centerline of ontology 111, the center line of negative electrode lug 113 can be along ontology 111 length direction extends.

That is, the center line of anode ear 112 and the center line of negative electrode lug 113 can be in the width of ontology 111 It spends on direction and deviates the length centerline of ontology 111 to the same side.Wherein, the length centerline of ontology 111 is ontology 111 The center line extended along its length.

As shown in Fig. 5, Fig. 6 and Figure 14, positive bus 12 may include positive isostere 121 and multiple positive interconnecting pieces 122, positive isostere 121 can be located in the width direction of ontology 111 anode ear 112 the center line and ontology 111 the Between biend.Multiple anode interconnecting pieces 122 can be located in positive isostere 121 at interval along the thickness direction of ontology 111.

Negative bus-bar 13 may include cathode isostere 131 and multiple cathode interconnecting pieces 132, and cathode isostere 131 is in ontology It can be located between the center line of negative electrode lug 113 and the second end face of ontology 111 in 111 width direction.Multiple cathode connect Socket part 132 can be located in cathode isostere 131 at interval along the thickness direction of ontology 111.

For example, positive isostere 121 is in above-below direction when the width direction of ontology 111 is with up and down direction consistent (identical) On can be located at anode ear 112 the center line and ontology 111 second end face between, cathode isostere 131 is in the up-down direction It can be located between the center line of negative electrode lug 113 and the second end face of ontology 111.Further for example, positive isostere 121 can be with Positioned at the top of the center line of anode ear 112, positive isostere 121 can be located at the lower section of the second end face of ontology 111, cathode Isostere 131 can be located at the top of the center line of negative electrode lug 113, and cathode isostere 131 can be located at the second end face of ontology 111 Lower section.

Wherein, the anode ear 112 of multiple batteries 11 can be connected with multiple positive interconnecting pieces 122, and multiple batteries 11 are born Tab 113 can be connected with multiple cathode interconnecting pieces 132, to keep multiple batteries 11 in parallel.

The length centerline weight of the ontology of the center line of the anode ear of existing battery and the center line of negative electrode lug and battery It closes.Therefore, the space of the two sides of the anode ear and negative electrode lug of existing battery is smaller, so as to cause accommodating positive bus and bearing The space of pole busbar connector is smaller, i.e. the size of positive bus and negative bus-bar is smaller, causes the energy of existing battery close It spends lower.

By make anode ear 112 the center line and negative electrode lug 113 the center line it is upper in the width direction of ontology 111 Between the first end face of ontology 111 and the length centerline of ontology 111, so as to increase anode ear 112 and ontology 111 The distance between second end face and negative electrode lug 113 and ontology 111 the distance between second end face.In other words, anode ear The distance between 112 and the second end face of ontology 111 can be greater than existing battery anode ear and end face (be equivalent to this second The distance between end face), the distance between second end face of negative electrode lug 113 and ontology 111 can be greater than the negative of existing battery The distance between tab and end face (being equivalent to the second end face).

Thus battery module 10a is used for the bigger space for being used to accommodate positive isostere 121 and with bigger The space of cathode isostere 131 is accommodated, so as to increase the size of positive isostere 121 and the size of cathode isostere 131.Also It is to say, the size of positive isostere 121 can be greater than the size of the positive isostere of existing battery, and the size of cathode isostere 131 can To be greater than the size of the cathode isostere of existing battery.It is possible thereby to improve the excessively electric of positive bus 12 (positive isostere 121) The overcurrent capability of stream ability and negative bus-bar 13 (cathode isostere 131), so as to improve the energy of battery module 10a Density, and then the energy density of modular battery component 10 and battery modules 1 can be improved.

Therefore, energy density height etc. is had according to the modular battery component 10 of the utility model embodiment and battery modules 1 Advantage.

Specifically, the width (size in the width direction of ontology 111 of positive isostere 121) of positive isostere 121 can To be greater than the width of the positive isostere of existing battery, the width (width in ontology 111 of cathode isostere 131 of cathode isostere 131 Spend the size on direction) it can be greater than the width of the cathode isostere of existing battery.

Preferably, width direction of the length centerline of the center line of anode ear 112 and ontology 111 in ontology 111 Upper interval first distance S1, the center line of negative electrode lug 113 and the length centerline of ontology 111 are in the width side of ontology 111 Interval second distance upwards.Wherein, the ratio between width of first distance S1 and ontology 111 is greater than zero and less than or equal to 0.3, this second The ratio between distance and the width of ontology 111 are greater than zero and less than or equal to 0.3.It is further preferred that the width of first distance S1 and ontology 111 The ratio between degree can be more than or equal to 0.1 and less than or equal to 0.3, and the ratio between the second distance and the width of ontology 111 can be more than or equal to 0.1 and be less than or equal to 0.3.

Wherein, the ratio between the width of the ratio between width of first distance S1 and ontology 111 bigger and second distance and ontology 111 Bigger, the energy density of battery module 10a, modular battery component 10 and battery modules 1 are bigger.In other words, first distance S1 is got over The big and second distance is bigger, and the energy density of battery module 10a, modular battery component 10 and battery modules 1 are bigger.First away from The second distance can be equal to from S1, i.e. center line of anode ear 112 can be overlapped with the center line of negative electrode lug 113.

Modular battery component 10 may include the first pcb board 14, the second pcb board (not shown) and multiple battery modules 10a, modular battery component 10 can be located in the accommodating chamber 177 of the shell 17 of battery modules 1.

Preferably, multiple battery module 10a can connect.One anode confluence in two neighboring battery module 10a Row 12 can be connected with another the negative bus-bar 13 in two neighboring battery module 10a, to make two neighboring battery Module 10a series connection, as shown in figure 14.

The positive bus 12 and negative bus-bar 13 of connected (such as electrical connection) may be constructed series connection row 12a, that is, connect Arranging 12a can be with the anode ear 112 and two neighboring battery of one each battery 11 in two neighboring battery module 10a The negative electrode lug 113 of another each battery 11 in module 10a is connected (such as electrical connection).Preferably, battery modules 1 can be with 12a is arranged including multiple series connection, i.e. battery modules 1 may include at least three battery module 10a.

First pcb board 14 can be connected with a part in multiple series connection row 12a, which can be with multiple strings Rest part in townhouse 12a is connected.In other words, the first pcb board 14 can be located at multiple (on the length direction of ontology 111) The side (as shown in Figure 2) of battery module 10a, second pcb board can (length direction of ontology 111) be located at multiple battery moulds The other side of block 10a.

Positive bus 12 can be made of the first conductive material (such as aluminium), and negative bus-bar 13 may include the first base Body and the first articulamentum being located on first matrix, first matrix can be made of first conductive material, first company Connecing layer can be made of the second conductive material (such as copper) different from first conductive material.

Negative electrode lug 113 can be made of second conductive material, and anode ear 112 can be made of first conductive material. Wherein, negative electrode lug 113 can be welded on first articulamentum, and anode ear 112 can be welded on positive bus 12.Due to Anode ear 112 and positive bus 12 have first conductive material to be made, negative electrode lug 113 and first articulamentum by this Two conductive materials are made, therefore can be to avoid generation electrochemical corrosion.

Preferably, in one first matrix in two neighboring battery module 10a and two neighboring battery module 10a Another positive bus 12 can be integrally formed.It is possible thereby to make the structure of battery component 10 and battery modules 1 more Rationally.

In one embodiment of the utility model, positive isostere 121 may include first part and second part, this A part relatively and can be spaced apart with the second part in the width direction of ontology 111.The of each anode interconnecting piece 122 One end can be connected with the first part, and the second end of each anode interconnecting piece 122 can be connected with the second part, and adjacent two Anode ear wears groove can be limited between a anode interconnecting piece 122.Cathode isostere 131 may include Part III and the 4th Point, which relatively and is spaced apart in the width direction of ontology 111 with the Part IV.Each cathode interconnecting piece 132 First end can be connected with the Part III, the second end of each cathode interconnecting piece 132 can be connected with the Part IV, phase Negative electrode lug wears groove can be limited between adjacent two cathode interconnecting pieces 132.

When positive bus 12 and negative bus-bar 13 and multiple batteries 11 are assembled together, 12 He of positive bus Negative bus-bar 13 can be moved along the length direction of ontology 111 relative to multiple batteries 11.For example, positive bus 12 and negative Pole busbar connector 13 can be mobile relative to multiple batteries 11 in the horizontal direction.Wherein it is possible to there is anode ear 112 to pass through anode confluence The anode ear wears groove of row 12 can have negative electrode lug 113 to pass through the negative electrode lug wears groove of negative bus-bar 13.

By making positive isostere 121 include the first part and the second part and cathode isostere 131 being made to include the third Part and the Part IV, thus more fully utilize battery module 10a be used for accommodate positive isostere 121 space and For accommodating the space of cathode isostere 131.It is possible thereby to further increase the overcurrent of positive bus 12 (positive isostere 121) The overcurrent capability of ability and negative bus-bar 13 (cathode isostere 131), so as to further increase battery module 10a, The energy density of modular battery component 10 and battery modules 1.

As shown in Fig. 5, Fig. 6 and Figure 14, in another embodiment of the utility model, each anode interconnecting piece 122 First end can be connected with positive isostere 121, can limit anode ear wears groove 123 between two neighboring anode interconnecting piece 122, The end far from positive isostere 121 of each anode ear wears groove 123 can be opened wide.The first end of each cathode interconnecting piece 132 can To be connected with cathode isostere 131, negative electrode lug wears groove 133, each cathode can be limited between two neighboring cathode interconnecting piece 132 The end of the separate cathode isostere 131 of ear wears groove 133 can be opened wide.In other words, positive bus 12 and negative bus-bar 13 be all It can be substantially comb form.

When positive bus 12 and negative bus-bar 13 and multiple batteries 11 are assembled together, 12 He of positive bus Negative bus-bar 13 can be moved along the width direction of ontology 111 relative to multiple batteries 11.For example, positive bus 12 and negative Pole busbar connector 13 can be mobile relative to multiple batteries 11 along the vertical direction.Wherein it is possible to there is anode ear 112 to pass through anode confluence The anode ear wears groove 123 of row 12 can have negative electrode lug 113 to pass through the negative electrode lug wears groove 133 of negative bus-bar 13.

Since anode ear 112 and negative electrode lug 113 all have certain flexibility, positive bus 12 and cathode is made to converge Row 13 moves along the width direction of ontology 111 relative to multiple batteries 11, so as to more easily, more rapidly will be more positive Busbar connector 12, negative bus-bar 13 and multiple batteries 11 fit together, it is possible thereby to which the assembling for reducing battery module 10a is difficult Degree, the packaging efficiency for improving battery module 10a.

Specifically, anode ear 112 and negative electrode lug 113 all may, will necessarily even generate in cell stacking process Bending, fold.The part far from ontology 111 of anode ear 112 and negative electrode lug 113 generates bending, the degree of fold is got over Greatly, the root (negative electrode lug 113 of root (part of the adjacent body 111 of anode ear 112) and negative electrode lug 113 of anode ear 112 Adjacent body 111 part) will not then generate bending, fold.

If the end far from positive isostere 121 of anode ear wears groove 123 is not unlimited, each negative electrode lug wears groove 133 The end of separate cathode isostere 131 be not unlimited, then by positive bus 12, negative bus-bar 13 and multiple batteries 11 when fitting together, and can only converge substantially along the mobile positive bus 12 of the length direction opposing body 111 of ontology 111 and cathode Stream row 13, i.e. positive bus 12 and negative bus-bar 13 are mobile to the direction of adjacent body 111.In other words, anode ear wears groove 123 first pass through the part of the separate ontology 111 of anode ear 112, and negative electrode lug wears groove 133 first passes through the separate ontology of negative electrode lug 113 111 part.In order to guarantee that positive bus 12 and negative bus-bar 13 have certain bonding area, anode ear wears groove 123 Width and negative electrode lug wears groove 133 width it is often smaller.Thus anode can not be passed through by leading to the anode ear 112 of bending, fold Ear wears groove 123, bending, fold negative electrode lug 113 can not pass through negative electrode lug wears groove 133.

By make anode ear wears groove 123 open ended, each negative electrode lug wears groove 133 far from positive isostere 121 it is remote It is open ended from cathode isostere 131, so as to so that anode ear wears groove 123 can be inserted into from the root of anode ear 112 with Just it is assembled, negative electrode lug wears groove 133 is enable to be inserted into from the root of negative electrode lug 113 to be assembled.It is possible thereby to keep away Exempt from the bending of anode ear 112 and negative electrode lug 113, fold generates unfavorable shadow to assembling positive bus 12 and negative bus-bar 13 It rings, so as to reduce the assembling difficulty of battery module 10a, improve the packaging efficiency of battery module 10a.

Preferably, a positive interconnecting piece 122, two neighboring anode ear be can have between two neighboring anode ear 112 Each of 112 can be connected with this positive interconnecting piece 122.It can have one between two neighboring negative electrode lug 113 Cathode interconnecting piece 132, each of two neighboring negative electrode lug 113 can be connected with a cathode interconnecting piece 132.

It is further preferred that each anode ear 112 can have positive bending part, it is each in two neighboring anode ear 112 A anode bending part can be connected with this positive interconnecting piece 122, and each negative electrode lug 113 can have cathode bending The cathode bending part in portion, each of two neighboring negative electrode lug 113 can be connected with a cathode interconnecting piece 132.

It will be appreciated by persons skilled in the art that can be between positive bus 12 and the ontology 111 of multiple batteries 11 Equipped with insulating support, insulating support can also be equipped between the ontology 111 of negative bus-bar 13 and multiple batteries 11.The insulation branch Frame can be known and unrelated with present invention point, therefore no longer describe in detail.

As shown in Fig. 2, battery modules 1 may further include the first pcb board 14 and the second pcb board (not shown), First pcb board 14 can with it is multiple series connection row 12a in a part be connected, second pcb board can in the multiple row of series connection 12a Rest part be connected.Specifically, a part in multiple series connection row 12a can be located at the ontology 111 of multiple batteries 11 Second side that the rest part in 12a can be located at the ontology 111 of multiple batteries 11, ontology 111 are arranged in first side, multiple series connection The first side and ontology 111 second side it is opposite on the length direction (such as front-rear direction) of ontology 111.

As shown in Fig. 2, battery modules 1 may further include signal Transmission Part 19.As shown in Figure 22 and Figure 23, signal passes Defeated part 19 may include acquisition portion 191, receiving unit 192, multiple first contact portions 1913, multiple second contact portions 1923 and transmission Portion 195.Acquisition portion 191 can be equipped with one of multiple first bolts 1911 and multiple first slots 1912, and receiving unit 192 can To be equipped with one of multiple second bolts 1921 and multiple second slots 1922.

Multiple first contact portions 1913 can be located at correspondingly in multiple first slots 1912, multiple second contact portions 1923 can be located at correspondingly in multiple second slots 1922.In other words, the quantity of the first contact portion 1913 can be equal to The quantity of first slot 1912, the quantity of the second contact portion 1923 can be equal to the quantity of the second slot 1922, and each first inserts It is equipped with first contact portion 1913 in slot 1912, is equipped with second contact portion 1923 in each second slot 1922.

The first end of transport part 195 can be equipped with another in multiple first bolts 1911 and multiple first slots 1912 The second end of person, transport part 195 can be equipped with the other of multiple second bolts 1921 and multiple second slots 1922.It is multiple First bolt 1911 can cooperate correspondingly in multiple first slots 1912, and multiple first bolts 1911 can be with an a pair It is contacted with multiple first contact portions 1913 with answering, multiple second bolts 1921 can cooperate correspondingly in multiple second slots In 1922, multiple second bolts 1921 can be contacted with multiple second contact portions 1923 correspondingly.

That is, the quantity of the first bolt 1911 can be equal to the quantity of the first slot 1912, the second bolt 1921 Quantity can be equal to the quantity of the second slot 1922, cooperate the first bolt 1911 in the first slot 1912 can with this first The first contact portion 1913 contact in slot 1912, cooperate the second bolt 1921 in the second slot 1922 can with this second The second contact portion 1923 contact in slot 1922.

Wherein, the first protective layer 196 can be equipped in each first slot 1912, the first protective layer 196 can cover phase The contact position of the first bolt 1911 and the first contact portion 1913 answered can be equipped with the second protective layer in each second slot 1922 197, the second protective layer 197 can cover the contact position of corresponding second bolt 1921 and the second contact portion 1923.

Corresponding first bolt 1911 and the first contact portion 1913 refer to: and the first protective layer 196 is located at same first The first bolt 1911 and the first contact portion 1913 in slot 1912；Corresponding second bolt 1921 and the second contact portion 1923 are Refer to: and the second protective layer 197 is located at the second bolt 1921 and the second contact portion 1923 in same second slot 1922.

The first protective layer 196 of the contact position of corresponding first bolt 1911 and the first contact portion 1913 is covered by setting And the second protective layer 197 of the contact position of corresponding second bolt 1921 of covering and the second contact portion 1923, thus to electricity In the accommodating chamber 177 of Chi Mo group 1 when filling insulating cement, it can use the first protective layer 196 and the second protective layer 197 stop insulation Glue.

It thus it can be prevented that insulating cement by the first bolt 1911 to link together and the first contact portion 1913 and second Bolt 1921 and the second contact portion 1923 are washed open, it can prevent insulating cement from flowing to the first bolt 1911 and the first contact portion 1913 Between and the second bolt 1921 and the second contact portion 1923 between, so as to avoid the first bolt 1911 and the first contact portion 1913 disconnect and the second bolt 1921 and the second contact portion 1923 disconnect.

Thus the first bolt 1911 and the first contact portion 1913 and the second bolt 1921 and the second contact portion 1923 can be with It is steadily in connection status, that is, is effectively connected together, so as to steadily, effectively acquire in battery modules 1 The voltage signal of each battery 11.

As shown in figure 22, the first protective layer 196 can be located at the opening of corresponding first slot 1912, the first protective layer 196 can be full of the gap between the wall surface and corresponding first bolt 1911 of corresponding first slot 1912, the second protective layer 197 can be located at the opening of corresponding second slot 1922, and the second protective layer 197 can be full of corresponding second slot 1922 Wall surface and corresponding second bolt 1921 between gap.

Wherein, corresponding first slot 1912 refers to the first slot 1912 filled with the first protective layer 196, corresponding One bolt 1911 refers to first bolt 1911 of the cooperation in the first slot 1912 filled with the first protective layer 196, accordingly Second slot 1922 refers to that the second slot 1922 filled with the second protective layer 197, corresponding second bolt 1921 refer to cooperation The second bolt 1921 in the second slot 1922 filled with the second protective layer 197.

That is, the first protective layer 196 can be set on the first bolt 1911, the first protective layer 196 can be blocked The opening of first slot 1912, the first protective layer 196 can connect with corresponding first bolt 1911 and the first contact portion 1913 Synapsis is spaced apart.Second protective layer 197 can be set on the second bolt 1921, and the second protective layer 197 can block second and insert The opening of slot 1922, the second protective layer 197 can be between corresponding second bolt 1921 and the contact positions of the second contact portion 1923 It separates.

Thus the first protective layer 196 can stop insulating cement to enter in the first slot 1912, and the second protective layer 197 can be with Insulating cement is stopped to enter in the second slot 1922, so as to 1911 He of the first bolt for preventing insulating cement from will link together First contact portion 1913 and the second bolt 1921 and the second contact portion 1923 are washed open, to ensure the first bolt 1911 and first Contact portion 1913 and the second bolt 1921 and the second contact portion 1923 steadily, be effectively connected together.

As shown in figure 23, the first protective layer 196 can be contacted with corresponding first bolt 1911 and the first contact portion 1913, Second protective layer 197 can be contacted with corresponding second bolt 1921 and the second contact portion 1923.Wherein, corresponding first contact Portion 1913 refers to the first contact portion 1913 being located in same first slot 1912 with the first protective layer 196, corresponding second Contact portion 1923 refers to the second contact portion 1923 being located in same second slot 1922 with the second protective layer 197.

Thus the first protective layer 196 can stop insulating cement to contact corresponding first bolt 1911 and the first contact portion 1913 Contact position, the second protective layer 197 insulating cement can be stopped to contact corresponding second bolt 1921 and the second contact portion 1923 Contact position, so as to prevent insulating cement from inserting the first bolt 1911 to link together and the first contact portion 1913 and second Pin 1921 and the second contact portion 1923 are washed open, to ensure the first bolt 1911 and the first contact portion 1913 and the second bolt 1921 and second contact portion 1923 steadily, be effectively connected together.

The first contact portion 1913 in first bolt of each of signal Transmission Part 19,1911 or each first slot 1912 can To be connected with the first pcb board 141, in second bolt of each of signal Transmission Part 19,1921 or each second slot 1922 second Contact portion 1923 can be connected with the second pcb board 142.Thus signal Transmission Part 19 can be by the first pcb board 141 and the 2nd PCB A collected voltage signal in plate 142, is transferred to another in the first pcb board 141 and the second pcb board 142.Its In, signal Transmission Part 19 is used to acquire the voltage signal and temperature signal of battery pack (including multiple batteries 11), temperature signal It collection point can be on the first pcb board 141 and the second pcb board 142.

Preferably, transport part 195 can have flexibility.It is possible thereby to more easily, easily make transport part 195 and adopt Collection portion 191 is connected with receiving unit 192.

Heat-conducting piece is arranged between two neighboring battery in existing battery modules, so that the heat of battery is passed through heat-conducting piece It is transmitted to the bottom of battery modules, finally by liquid cooling apparatus by the heat derives of the bottom of battery modules.But existing electricity Chi Mo group haves the defects that performance is unstable.

It is found after inventor in depth studies: although the heat derives for being generated each battery using heat-conducting piece, It is that the location of in battery modules thus difference, the radiating condition difference of multiple batteries cause due to multiple batteries The temperature difference is still had between each battery, that is, the temperature drift for the battery having, the performance that temperature drift will lead to battery is unstable, And then cause the performance of battery modules unstable.

As shown in figures 11-13, in one embodiment of the utility model, each graphite guide warmware 151 be can have First thermally conductive flat part 1511 and the second thermally conductive flat part 1512, the first thermally conductive flat part 1511 can be thermally conductive flat perpendicular to second Plate portion 1512.Wherein, a first thermally conductive flat part 1511 can be equipped between two neighboring battery 11, each first is thermally conductive flat Plate portion 1511 can be contacted with each of two neighboring battery 11.

Graphite soaking plate 152 can be parallel to the second thermally conductive flat part of each of multiple graphite guide warmwares 151 1512, graphite soaking plate 152 can be contacted with the second thermally conductive flat part 1512 of each of multiple graphite guide warmwares 151. Wherein, the second of each of multiple graphite guide warmwares 151 the thermally conductive flat part 1512 is in the side perpendicular to graphite soaking plate 152 It can be between graphite soaking plate 152 and each battery 11 on (such as the first direction).Thus graphite soaking plate 152 can To be contacted by multiple graphite guide warmwares 151 with each battery 11.

The multiple graphite guide warmwares contacted by setting with battery 11 according to the battery modules 1 of the utility model embodiment 151 and the graphite soaking plate 152 that is contacted with multiple graphite guide warmwares 151, so as to so that multiple batteries 11 pass through multiple stones Black heat-conducting piece 151 is contacted with graphite soaking plate 152, it is possible thereby to using graphite soaking plate 152 the battery 11 with the temperature difference it Between transmit heat, to make the temperature of multiple batteries 11 reach balanced, to eliminate the temperature difference between multiple batteries 11, even if multiple stones The temperature of black heat-conducting piece 151 is more consistent, uniform, and then the temperature of multiple batteries 11 can be made more consistent, uniform, so as to reality The equilibrium of the internal temperature field temperature of existing battery modules 1.

Multiple batteries 11 can be contacted with the second thermally conductive flat part 1512 of multiple graphite guide warmwares 151 correspondingly. It is possible thereby to keep the structure of battery modules 1 more reasonable.It can be filled out between adjacent battery 11 and the first thermally conductive flat part 1511 Filled with double-sided adhesive.

Preferably, graphite soaking plate 152 with a thickness of 0.04 millimeter -0.5 millimeter, it is every in each graphite guide warmware 151 The thermally conductive flat part 1512 of the second of one with a thickness of 0.04 millimeter -0.5 millimeter.

Shell 171 can be integrally formed, it is preferable that shell 171 can be the aluminum hull of integrated drawing and forming.Accommodating chamber 177 It can have opposite in a first direction the first wall surface (such as top wall surface) and the second wall surface (such as wall surface) and Opposite third wall surface (such as front face) and the 4th wall surface (such as rear surface) on two directions, the first direction can be perpendicular to The second direction.

Accommodating chamber 177 can have opposite first end and second end on third direction, the first end of accommodating chamber 177 It can be opened wide with the second end, which can be perpendicular to each of the first direction and the second direction.

Specifically, the short transverse of the first direction, the width direction of ontology 111 and shell 171 can (phase consistent with each other Together), the width direction of the second direction, the length direction of ontology 111 and shell 171 can be consistent with each other (identical), the third The length direction in direction, the thickness direction of ontology 111 and shell 171 can be consistent with each other (identical).More specifically, this first Direction can be up and down direction, which can be front-rear direction, which can be left and right directions.Wherein, on As designated by arrows c in fig. 2, front-rear direction is as shown in the arrow D in Fig. 2, left and right directions such as the arrow E institute in Fig. 2 in lower direction Show.

As shown in Figure 2 and Figure 7, each of the first insulating protecting plate 161 and the second insulating protecting plate 162 can be located at On modular battery component 10, the first insulating protecting plate 161 can be located at first wall surface and modular battery in the first direction Between component 10, the second insulating protecting plate 162 can be located in a first direction second wall surface and modular battery component 10 it Between.

Each of third insulating protecting plate 163 and the 4th insulating protecting plate 164 can be with the first insulating protecting plates 161 Be connected, third insulating protecting plate 163 in the second direction can between the third wall surface and modular battery component 10, the Four insulating protecting plates 164 can be between the 4th wall surface and modular battery component 10 in the second direction.

Since the first end of accommodating chamber 177 and the second end are opened wide, accommodated modular battery component 10 to be packed into When in chamber 177, modular battery component 10 can be moved along the third direction.

By being arranged between modular battery component 10 and the wall surface (first wall surface to the 4th wall surface) of accommodating chamber 177 First insulating protecting plate 161, the second insulating protecting plate 162, third insulating protecting plate 163 and the 4th insulating protecting plate 164, thus During modular battery component 10 is packed into accommodating chamber 177, the first insulating protecting plate 161, second not only can use Insulating protecting plate 162, third insulating protecting plate 163 and the 4th insulating protecting plate 164 protect modular battery component 10, with Just it prevents shell 171 from causing to damage to the edge sealing of modular battery component 10, and can use the first insulating protecting plate 161, Two insulating protecting plates 162, third insulating protecting plate 163 and the 4th insulating protecting plate 164 make modular battery component 10 and shell 171 Between insulate, to further increase the insulation performance between modular battery component 10 and shell 171, that is, further increase battery The insulation performance of mould group 1.

Preferably, the first insulating protecting plate 161, the second insulating protecting plate 162, third insulating protecting plate 163 and the 4th are exhausted Edge protection board 164 can be PC insulating protecting plate (piece, layer).

It can be equipped with the first adhesive layer (such as double-sided adhesive) between first insulating protecting plate 161 and modular battery component 10, The second adhesive layer (such as double-sided adhesive) can be equipped between second insulating protecting plate 162 and modular battery component 10.In other words, One insulating protecting plate 161 can be bonded on modular battery component 10 (upper surface) by first adhesive layer, the second insulation Protection board 162 can be bonded on modular battery component 10 (lower surface) by second adhesive layer.

As shown in Figure 2 and Figure 7, the first insulating protecting plate 161 can have the first edge and second in the second direction The edge at edge, third insulating protecting plate 163 can be connected with first edge, and the edge of the 4th insulating protecting plate 164 can be with It is connected with second edge.Wherein, each of third insulating protecting plate 163 and the 4th insulating protecting plate 164 can be from One insulating protecting plate 161 extends to the direction of neighbouring second insulating protecting plate 162.It is possible thereby to make the structure of battery modules 1 more Adduction reason.

Specifically, third insulating protecting plate 163 on along can be connected with the forward position of the first insulating protecting plate 161, Along can be rear along being connected with the first insulating protecting plate 161 on four insulating protecting plates 164.

Preferably, the first insulating protecting plate 161, third insulating protecting plate 163 and the 4th insulating protecting plate 164 can be integrated Molding.It is possible thereby to reduce the manufacture difficulty and manufacturing cost of battery modules 1.

As shown in figure 15, in some embodiments of the utility model, battery modules 1 may further include insulation glue-line 18, insulation glue-line 18 is filled in accommodating chamber 177.

By that will insulate, glue-line 18 is filled in accommodating chamber 177, thus not only can be to avoid the various pieces of battery modules 1 Loosening is generated under long-term vibration, so as to greatly extend the service life of battery modules 1, and can prevent water, ash Dirt etc. enters in accommodating chamber 177, to improve the insulation performance and degree of protection of battery modules 1.

Insulation glue-line 18 can be formed by insulating cement, the insulating cement can containing isocyanates prepolymer, chain extender and Carbonic ester, the weight ratio of the isocyanates prepolymer, chain extender and carbonic ester are 100:20-120:0.5-25, the isocyanic acid The number-average molecular weight of esters prepolymer is 2000-4500.

The insulating cement can also contain isocyanates prepolymer, chain extender and polymeric alcohol, the isocyanates prepolymer Number-average molecular weight be 1000-4500, the number-average molecular weight of the polymeric alcohol is 200-4000.

It preferably, can be filled with insulation glue-line 18, the first pcb board 14 and multiple batteries 11 between two neighboring battery 11 Between can filled with insulation glue-line 18, between second pcb board and multiple batteries 11 can filled with insulation glue-line 18.Thus The various pieces that battery modules 1 can not only be further avoided generate loosening under long-term vibration, but also can be further improved The insulation performance and degree of protection of battery modules 1.

It as shown in figure 15, can between the first insulating protecting plate 161 (insulating protecting plate) and first wall surface of accommodating chamber 177 Insulation can be filled between the second insulating protecting plate 162 and second wall surface of accommodating chamber 177 filled with insulation glue-line 18 Glue-line 18 can fill between third insulating protecting plate 163 (the first insulation protection side plate) and the third wall surface of accommodating chamber 177 There is insulation glue-line 18, it can between the 4th insulating protecting plate 164 (the second insulation protection side plate) and the 4th wall surface of accommodating chamber 177 Filled with insulation glue-line 18.Thus the various pieces that can not only further avoid battery modules 1 generate under long-term vibration It loosens, and can be further improved the insulation performance and degree of protection of battery modules 1.

First pcb board 14 can be between third insulating protecting plate 163 and multiple batteries 11 in the second direction, should Second pcb board can be between the 4th insulating protecting plate 164 and multiple batteries 11, wherein the first PCB in the second direction It can be filled with insulation glue-line 18, second pcb board and the 4th insulating protecting plate between plate 14 and third insulating protecting plate 163 It can be filled with insulation glue-line 18 between 164.Thus the various pieces that can not only further avoid battery modules 1 are shaken for a long time Dynamic lower generate loosens, and can be further improved the insulation performance and degree of protection of battery modules 1.

Preferably, insulation glue-line 18 can be full of accommodating chamber 177.Thus battery modules 1 can not only be further avoided Various pieces generate loosening under long-term vibration, and can further prevent water, dust etc. and enter in accommodating chamber 177, with Just the insulation performance and degree of protection of battery modules 1 are further increased.

As shown in Fig. 1, Fig. 8 and Figure 10, shell 171 can have opposite first end and second on the third direction End, shell 17 may further include first end cover 172 and second end cover 173.First end cover 172 can be located at shell 171 The first end on, first end cover 172 can cover the first end of accommodating chamber 177.Second end cover 173 can be located at shell On 171 the second end, second end cover 173 can cover the second end of accommodating chamber 177.Wherein, first end cover 172 and second end The glue filling opening 174 being connected to accommodating chamber 177 can be equipped at least one of lid 173.It is possible thereby to by glue filling opening 174 to Insulating cement is perfused in accommodating chamber 177, to form insulation glue-line 18.

Preferably, shell 17 may further include the first sealing ring 175 and the second sealing ring 176, the first sealing ring 175 It can be located between first end cover 172 and the first end of shell 171, to seal the first end of accommodating chamber 177, second Sealing ring 176 can be located between second end cover 173 and the second end of shell 171, so as to seal accommodating chamber 177 this Two ends.Wherein, the first sealing ring 175 can be arranged around the first end of accommodating chamber 177, and the second sealing ring 176 can be surround The second end of accommodating chamber 177 is arranged.

Thus shell 171, first end cover 172, second end cover 173, the first sealing ring 175 and the second sealing ring 176 can be with The accommodating chamber 177 of sealing is limited, thus when insulating cement is perfused into accommodating chamber 177 by glue filling opening 174, it can be to avoid exhausted Edge glue flows out accommodating chamber 177.

Moreover, by the first sealing ring 175 of setting and the second sealing ring 176, without utilizing hot melt adhesive to shell 17 Be sealed, it is possible thereby to reduce the manufacturing cost of battery modules 1, improve battery modules 1 manufacture efficiency, reduce manually at This.

As shown in Figure 10, in an example of the utility model, first opposite with shell 171 of first end cover 172 The first card slot can be equipped on surface, it can be on the first surface opposite with first end cover 172 of the first end of shell 171 Equipped with the second card slot.For example, first card slot can be equipped on the right side of first end cover 172, it can on the left side of shell 171 To be equipped with second card slot.

First sealing ring 175 may include the first sealing ring 1751 and the second sealing ring 1752.First sealing ring 1751 A part can be fastened in first card slot, and another part of the first sealing ring 1751 can be fastened in second card slot, The extending direction of first sealing ring 1751 can be consistent (identical) with the third direction (length direction of shell 171).

The outer peripheral surface of second sealing ring 1752 can be located on the inner peripheral surface of the first sealing ring 1751, the second sealing ring 1752 Extending direction can be perpendicular to the extending direction of the first sealing ring 1751.Wherein, the second sealing ring 1752 can be located at first Between end cap 172 and the first end of shell 171, the second sealing ring 1752 can be with the first surface of first end cover 172 With the contact of each of the first surface of the first end of shell 171.It is possible thereby to further increase accommodating chamber 177 Leakproofness.

Preferably, the first sealant can be equipped between the second sealing ring 1752 and the first surface of first end cover 172 The second sealant layer can be equipped between the first surface of the first end of layer, the second sealing ring 1752 and shell 171.

As shown in Figure 10, third card slot, shell can be equipped on the first surface opposite with shell 171 of second end cover 173 The 4th card slot can be equipped on the first surface opposite with second end cover 173 of the second end of body 171.For example, second end It can be equipped with the third card slot on the left side of lid 173, the 4th card slot can be equipped on the right side of shell 171.

Second sealing ring 176 may include third sealing ring 1761 and the 4th sealing ring 1762.Third sealing ring 1761 A part can be fastened in the third card slot, and another part of third sealing ring 1761 can be fastened in the 4th card slot. The extending direction of third sealing ring 1761 can be consistent (identical) with the third direction (length direction of shell 171).

The outer peripheral surface of 4th sealing ring 1762 can be located on the inner peripheral surface of third sealing ring 1761, the 4th sealing ring 1762 Extending direction can be perpendicular to the extending direction of third sealing ring 1761.Wherein, the 4th sealing ring 1762 can be located at second Between end cap 173 and the second end of shell 171, the 4th sealing ring 1762 can be with the first surface of second end cover 173 With the contact of each of the first surface of the second end of shell 171.It is possible thereby to further increase accommodating chamber 177 Leakproofness.

Preferably, third sealant can be equipped between the 4th sealing ring 1762 and the first surface of second end cover 173 The 4th sealant layer can be equipped between the first surface of the second end of layer, the 4th sealing ring 1762 and shell 171.

As shown in figs. 1,7 and 8, shell 171 is equipped at least one excessive glue mouth 178.It thus not only can be in time The air in accommodating chamber 177 is discharged, to prevent pressure during insulating cement is perfused in shell 17 excessive, and can be with By whether there is insulating cement to flow out excessive glue mouth 178, come the glue-line 18 that judges to insulate whether full of accommodating chamber 177, that is, judge to insulate Whether glue is full of accommodating chamber 177.

Preferably, excessive glue mouth can be equipped at least one of first wall surface and second wall surface of accommodating chamber 177 178, excessive glue mouth 178 can be penetrated through along the first direction.It specifically, can be on the upper wall surface (first wall surface) of accommodating chamber 177 Equipped with multiple excessive glue mouths 178, each excessive glue mouth 178 can penetrate through the top plate of shell 171 along the vertical direction.

As shown in Figure 8 and Figure 9, each of first end cover 172 and second end cover 173 may include lid 1721, lid Body 1721 can have opposite first end face 1725 and second end face on its thickness direction (such as the third direction).

The lid 1721 of at least one of first end cover 172 and second end cover 173 be equipped with along its thickness direction (such as The third direction) perforation glue filling opening 174, this at least one lid 1721 in first end cover 172 and second end cover 173 Glue groove 1724 can be led equipped with multiple in first end face 1725, multiple glue grooves 1724 of leading can be radial with respect to glue filling opening 174 Setting, the first end (such as inner end) for each leading glue groove 1724 can cooperate with glue filling opening 174.

By be arranged that opposite glue filling opening 174 is arranged radially on lid 1721 it is multiple lead glue groove 1724, so as to It multiple lead in glue groove 1724 so as to be entered by the insulating cement that glue filling opening 174 enters in shell 17 and leads glue groove along multiple 1724 flowing, in order to so that by glue filling opening 174 enter the insulating cement in shell 17 can simultaneously it is (multiple along multiple directions Lead the extending direction of glue groove 1724) flowing, it is possible thereby to divide the insulating cement entered in shell 17 by glue filling opening 174 equably In cloth to accommodating chamber 177.

Since the insulating cement entered in shell 17 from glue filling opening 174 can be flowed to multiple directions simultaneously, not only Insulating cement can be injected into glue filling opening 174 at faster speed, and can make insulating cement more rapidly full of accommodating chamber 177, it is possible thereby to improve encapsulating speed and encapsulating efficiency.

Each pre-determined distance can be spaced by leading the first end of glue groove 1724 and glue filling opening 174, i.e., each lead glue groove 1724 The first end and non-close glue filling opening 174.

It thus it can be prevented that the insulating cement entered in shell 17 by glue filling opening 174 is only led in glue groove 1724 along multiple One or several flowings, so as to so that insulating cement is more rapidly full of accommodating chamber 177, so as to further increase encapsulating Speed and encapsulating efficiency.Preferably, 0.5 millimeter of -2 milli can be spaced by each leading the first end of glue groove 1724 and glue filling opening 174 Rice.

The second end for each leading glue groove 1724 can be with the edge of the first end face 1725 of adjacent caps 1721.It is possible thereby to make Insulating cement is along the edge that glue groove 1724 flow to accommodating chamber 177 is led, so as to so that insulating cement is distributed more uniformly across receiving In chamber 177, to make insulating cement more rapidly full of accommodating chamber 177, and then encapsulating speed and encapsulating can be further improved Efficiency.The first end for each leading glue groove 1724 can be the inner end for leading glue groove 1724, each lead the second end of glue groove 1724 It can be the outer end for leading glue groove 1724.

As shown in figure 9, the first end face of this at least one the lid 1721 in first end cover 172 and second end cover 173 Glue groove 179 can be further provided on 1725, glue groove 179 can surround and fill adjacent to glue filling opening 174, glue groove 179 Glue hole 174 is arranged, and the first end for each leading glue groove 1724 can be connected with glue groove 179.

It is introduced into glue groove 179 by the insulating cement that glue filling opening 174 enters in shell 17, enters back into and each lead glue In slot 1724, i.e., the insulating cement in glue groove 179 can enter each lead in glue groove 1724.It is possible thereby to make by glue filling opening 174 insulating cements entered in shell 17 more uniformly enter it is each lead in glue groove 1724, so as to so that insulating cement more Add rapidly full of accommodating chamber 177, so as to further increase encapsulating speed and encapsulating efficiency.

As shown in figure 9, in first end cover 172 and second end cover 173 this at least one may further include stop block 1722, stop block 1722 can be located in the first end face of lid 1721, and stop block 1722 can be located under glue filling opening 174 Side.

Insulating cement is intended to flow downward under self gravitation effect.By the way that stop block is arranged in the lower section of glue filling opening 174 1722, so as to stop insulating cement to flow downward.It is possible thereby to make the insulating cement entered in shell 17 by glue filling opening 174 more Add and is uniformly distributed in accommodating chamber 177, in order to so that insulating cement is more rapidly full of accommodating chamber 177, and then can be into One step improves encapsulating speed and encapsulating efficiency.

Preferably, stop block 1722 can be adjacent to glue filling opening 174, it is possible thereby to preferably insulating cement be stopped to flow downward. It is further preferred that stop block 1722 can have preset height, it is possible thereby to preferably insulating cement be stopped to flow downward.

As shown in figure 9, in first end cover 172 and second end cover 173 this at least one may further include it is multiple convex Block 1723, multiple convex blocks 1723 can be located in the first end face of lid 1721, and multiple convex blocks 1723 can surround glue filling opening 174 settings.Wherein, it can be limited between two neighboring convex block 1723 and lead glue groove 1724, the first end of each convex block 1723 can To form glue groove 179 with 174 interval pre-determined distance of glue filling opening, the second end of each convex block 1723 can be with adjacent caps The edge of 1721 first end face.It is possible thereby to reduce this at least one the system in first end cover 172 and second end cover 173 Make difficulty.

Preferably, stop block 1722 and multiple convex blocks 1723 can be arranged around glue filling opening 174.Stop block 1722 and one One can be limited between convex block 1723 and leads glue groove 1724, can be limited between stop block 1722 and another convex block 1723 Another leads glue groove 1724.

As shown in figure 9, specifically, can be limited between two neighboring convex block 1723 extend along the vertical direction lead glue groove 1724, substantially horizontally extending to lead glue groove 1724 and tilt upward extension leads glue groove 1724, convex block 1723 with only Can be limited between block 1722 extend obliquely downward lead glue groove 1724.

As exemplified in figs, battery system 100 may include mounting shell 2, battery modules 1, heat-exchanger rig 3 and elasticity Part 4, heat-exchanger rig 3 can be liquid cooling apparatus.It can have installation cavity 23 in mounting shell 2, installation cavity 23 has in the first party The first opposite wall surface 231 and the second wall surface 232, battery modules 1 can be located in installation cavity 23 in (such as up and down direction), Heat-exchanger rig 3 can be located in installation cavity 23.Heat-exchanger rig 3 can be located at battery modules 1 and installation cavity in the first direction Between 23 the first wall surface 231 (such as wall surface), battery modules 1 can be contacted with heat-exchanger rig 3.That is, battery mould Group 1 in the first direction can be between heat-exchanger rig 3 and the second wall surface 232 of installation cavity 23.

Elastic component 4 can be located between heat-exchanger rig 3 and the first wall surface 231 of installation cavity 23 in the first direction and/ Or it can be located between battery modules 1 and the second wall surface 232 of installation cavity 23 in the first direction.Elastic component 4 can with change The contact of each of first wall surface 231 of thermal 3 and installation cavity 23 and/or elastic component 4 can be with battery modules 1 and installation The contact of each of second wall surface 232 of chamber 23, elastic component 4 may be at compressive state.

In other words, elastic component 4 can be equipped between heat-exchanger rig 3 and the first wall surface 231 of installation cavity 23, alternatively, battery Elastic component 4 can also be equipped between mould group 1 and the second wall surface 232 of installation cavity 23.In addition, heat-exchanger rig 3 and installation cavity 23 Can be equipped between first wall surface 231 can be equipped between elastic component 4 and battery modules 1 and the second wall surface 232 of installation cavity 23 Elastic component 4.

The elastic component 4 of compressive state is in by being arranged between heat-exchanger rig 3 and the first wall surface 231 of installation cavity 23 And/or setting is in the elastic component 4 of compressive state between battery modules 1 and the second wall surface 232 of installation cavity 23, thus elastic Part 4 can exchange thermal 3 and apply towards the elastic force of battery modules 1 and/or apply battery modules 1 towards heat-exchanger rig 3 Elastic force.

As shown in Figure 17 and Figure 18, elastic component 4 can be elastic plate or elastic layer.Preferably, the decrement of elastic component 4 can Compression stress to be 20%-60% and/or elastic component 4 can be 30 kPas -90 kPas.Thus it not only may insure heat exchange dress Set 3 and battery modules 1 closely, effectively contact, and can prevent elastic component 4 from the defect of elastic failure occur.

It can be it is further preferred that the decrement of elastic component 4 can be 30%-50% and/or the compression stress of elastic component 4 45 kPas -75 kPas.It is further preferred that the decrement of elastic component 4 can be 40% and/or the compression stress of elastic component 4 can To be 62 kPas.Thus it not only may further ensure that heat-exchanger rig 3 and battery modules 1 closely, effectively contact, Er Qieke To further prevent elastic component 4 defect of elastic failure occur.

As shown in Figure 17 and Figure 18, battery system 100 may further include the first flexible material layer 5, the first flexible material The bed of material 5 can be located in the first direction between heat-exchanger rig 3 and the first wall surface 231 of installation cavity 23, the first flexible material Layer 5 can be contacted with the first wall surface 231 of installation cavity 23, the first flexible material layer 5 can in heat-exchanger rig 3 and elastic component 4 One contact.Specifically, when being equipped with elastic component 4 between heat-exchanger rig 3 and the first wall surface 231 of installation cavity 23, first Flexible material layer 5 can be contacted with elastic component 4, i.e., elastic component 4 in the first direction can be soft positioned at heat-exchanger rig 3 and first Property material layer 5 between, when being not provided with elastic component 4 between heat-exchanger rig 3 and the first wall surface 231 of installation cavity 23, first is flexible Material layer 5 can be contacted with heat-exchanger rig 3.

By the way that the first flexible material layer 5 is arranged between heat-exchanger rig 3 and the first wall surface 231 of installation cavity 23, so as to To avoid rigidity friction is generated between heat-exchanger rig 3 and mounting shell 2 (such as chassis 21), it thus it can be prevented that heat-exchanger rig 3 leaks Liquid.

First flexible material layer 5 can be insulating layer.It is possible thereby to stop extraneous heat using the first flexible material layer 5 Amount, to prevent extraneous heat transfer to heat-exchanger rig 3, so as to avoid the temperature liter of the coolant liquid in heat-exchanger rig 3 High or reduction, and then the cooling effect or heating effect of heat-exchanger rig 3 can be improved, so as to further ensure that battery modules 1 temperature is in operating temperature range always.

Preferably, the first fireproof gum can be equipped between the first flexible material layer 5 and the first wall surface 231 of installation cavity 23 Layer, the second fire prevention glue-line can be equipped between this in the first flexible material layer 5 and heat-exchanger rig 3 and elastic component 4.Also It is to say, the first flexible material layer 5 can be bonded on the first wall surface 231 of installation cavity 23 by the first fire prevention glue-line, and first Flexible material layer 5 can be bonded on this in heat-exchanger rig 3 and elastic component 4 by the second fire prevention glue-line.Work as heat exchange When being equipped with elastic component 4 between device 3 and the first wall surface 231 of installation cavity 23, it can be equipped between elastic component 4 and heat-exchanger rig 3 Third fire prevention glue-line.

As shown in Figure 17 and Figure 18, battery system 100 may further include the second flexible material layer 6, the second flexible material The bed of material 6 can be located between battery modules 1 and heat-exchanger rig 3 in the first direction, and the second flexible material layer 6 can be with battery The contact of each of mould group 1 and heat-exchanger rig 3.

By the way that the second flexible material layer 6 is arranged between heat-exchanger rig 3 and battery modules 1, so as to avoid heat exchange from filling It sets and generates rigidity friction between 3 and battery modules 1, thus it can be prevented that 3 leakage of heat-exchanger rig.

Second flexible material layer 6 can be heat-conducting layer.It is possible thereby to be promoted by the second flexible material layer 6 in battery modules Heat is transmitted between 1 and heat-exchanger rig 3, so as to so that heat-exchanger rig 3 is more efficiently cooled or heats battery modules 1, by This may further ensure that the temperature of battery modules 1 is in operating temperature range always, and then ensure battery modules 1 and battery 100 performance of system is more stable, is in good working order always.

Preferably, the 7th fire prevention glue-line, the second flexible material can be equipped between the second flexible material layer 6 and battery modules 1 The 8th fire prevention glue-line can be equipped between the bed of material 6 and heat-exchanger rig 3.In other words, the second flexible material layer 6 can pass through the 7th Fire prevention glue-line is bonded in battery modules 1, and the second flexible material layer 6 can be bonded in heat-exchanger rig by the 8th fire prevention glue-line On 3.

When being equipped with elastic component 4 between battery modules 1 and the second wall surface 232 of installation cavity 23, elastic component 4 and battery modules It can be equipped with the 5th fire prevention glue-line between 1, the 6th fire prevention can be equipped between elastic component 4 and the second wall surface 232 of installation cavity 23 Glue-line.In other words, elastic component 4 can be bonded in battery modules 1 by the 5th fire prevention glue-line, and elastic component 4 can be by this 6th fire prevention glue-line is bonded on the second wall surface 232 of installation cavity 23.

When being equipped with elastic component 4 and heat-exchanger rig 3 and installation cavity between heat-exchanger rig 3 and the first wall surface 231 of installation cavity 23 When being not provided with the first flexible material layer 5 between 23 the first wall surface 231, third can be equipped between elastic component 4 and heat-exchanger rig 3 Fire prevention glue-line can be equipped with the 4th fire prevention glue-line between elastic component 4 and the first wall surface 231 of installation cavity 23.

As shown in Figure 17 and Figure 18, in one embodiment of the utility model, battery modules 1 can be multiple, elasticity Part 4 can be multiple, and multiple elastic components 4 can be arranged at interval.Wherein, each battery modules 1 and at least two elastic components 4 It is opposite in the first direction.

Thus at least two elastic component 4 can exchange the opposite with battery modules 1 in the first direction of thermal 3 Part apply towards battery modules 1 elastic force, so as to so that heat-exchanger rig 3 in the first direction with 1 phase of battery modules Pair part and battery modules 1 closely, effectively contact.And/or at least two elastic component 4 can be to battery mould Group 1 applies the elastic force towards heat-exchanger rig 3, so as to so that heat-exchanger rig 3 it is opposite with battery modules 1 in the first direction Part and battery modules 1 closely, effectively contact.It is possible thereby to effectively battery modules 1 and heat-exchanger rig 3 it Between transmit heat.

Preferably, multiple elastic components 4 can be in the same plane.

As shown in figure 16, battery system 100 may further include mounting rail 7, and mounting rail 7 can be located at the first wall surface On 231, battery modules 1 can be removably mounted on mounting rail 7 by fastener.It is possible thereby to more easily, more Firmly battery modules 1 are installed in installation cavity 23.

Preferably, the first wall surface 231 can be a surface on chassis 21, and the second wall surface 232 can be the one of cover board 22 A surface.

Card slot, the wall surface of installation cavity 23 and heat exchange can be equipped on one in the wall surface and heat-exchanger rig 3 of installation cavity 23 Another in device 3 is equipped with card convex, which can cooperate in the card slot.It is possible thereby to perpendicular to the first direction Plane on exchange thermal 3 limited, so as to so that the structure of battery system 100 is more firm.

As shown in Figure 19-21, in some examples of the utility model, mounting shell 2 may include chassis 21, cover board 22, mounting post 24 and sealing element 25.Cover board 22 can be located on chassis 21, and installation can be limited between cover board 22 and chassis 21 Chamber 23, installation cavity 23 have the first wall surface 231 opposite on the first direction (such as short transverse of installation cavity 23) and the Two wall surfaces 232.First through hole 221 can be equipped on second wall surface 232 (such as top wall surface).Mounting post 24 can be located at installation cavity On 23 the first wall surface 231 (such as wall surface), a part of mounting post 24 can pass through first through hole 221 to stretch out installation Chamber 23.

Sealing element 25 may include sealing 251 and interconnecting piece 252, and sealing 251 can be located at outside installation cavity 23, sealing Portion 251 can be located in a part of mounting post 24.Interconnecting piece 252 can be connected with sealing 251, and the of interconnecting piece 252 A part 2521 can pass through first through hole 221 and extend into installation cavity 23, i.e. the first part 2521 of interconnecting piece 252 can In installation cavity 23.The first part 2521 of interconnecting piece 252 can be connected with mounting post 24.Sealing 251 can be with cover board 22 and chassis 21 in this one of first through hole 221 (be equipped with) hermetically contact and/or mounting post 24 can be with peaces 23 the second wall surface 232 of behaveing affectedly hermetically contacts.

Since sealing 251 can be with this (one that is equipped with first through hole 221) in cover board 22 and chassis 21 It hermetically contacts, therefore the edge of sealing 251 can be located at the outside at the edge of first through hole 221, the i.e. side of sealing 251 Along first through hole 221 can be surround, to avoid extraneous sundries (such as water) from entering installation cavity 23 by first through hole 221 It is interior.

Since mounting post 24 can hermetically be contacted with the second wall surface 232 of installation cavity 23, the edge of mounting post 24 The outside at the edge of first through hole 221 can be located at, i.e. the edge of mounting post 24 can surround first through hole 221, to avoid Extraneous sundries (such as water) is entered in installation cavity 23 by first through hole 221.

In order to make electric vehicle that there is bigger course continuation mileage, the less charging frequency, the electricity of battery system can only be improved Amount, i.e., battery system includes more battery modules, this will lead to the height (i.e. the X-direction of vehicle) in battery system and is limited In the case where system, battery system more flattening.For the battery system of flattening, if only in the circumferential direction of battery system Lifting point is arranged in edge, then is unable to satisfy the mode requirement of battery system, is less able to satisfy the installation strength of battery system.

According to the mounting shell 2 of the utility model embodiment by the way that mounting post is arranged on the first wall surface 231 of installation cavity 23 24, so as to by the way that mounting post 24 is connected on the car body of electric vehicle, come meet inclined graduation battery system 100 it is strong Degree requires.

Moreover, by setting sealing element 25 and contacting sealing 251 hermetically with one in cover board 22 and chassis 21 And/or mounting post 24 is hermetically contacted with the second wall surface 232 of installation cavity 23, so as to be sealed to first through hole 221, It is possible thereby to improve the sealing performance and security performance of mounting shell 2 and battery system 100.

Battery system 100 can be planar as.Specifically, the ratio between the length on chassis 21 and height can be (8-12): 1, The ratio between the width on chassis 21 and height can be (6-10): 1, the ratio between length and height of cover board 22 can be (8-12): and 1, lid The ratio between the width of plate 22 and height can be (6-10): 1.That is, the ratio between the length of mounting shell 2 and height can substantially be (8-12): 1, the ratio between the width of mounting shell 2 and height can substantially be (6-10): 1, the ratio between length and height of installation cavity 23 can To be substantially (8-12): 1, the ratio between the width of installation cavity 23 and height can substantially be (6-10): 1.

The utility model additionally provides battery system 100, and battery system 100 may include mounting shell 2 and battery modules 1, Battery modules 1 can be located in the installation cavity 23 of mounting shell 2.There is peace according to the battery system 100 of the utility model embodiment The advantages that filling big intensity, good seal performance.

The utility model additionally provides electric vehicle, and the electric vehicle includes car body and battery system 100, battery system 100 can be located on the car body.Preferably, which can have hoisting beam 200, the installation of the mounting shell 2 of battery system 100 Column 24 can be connected with hoisting beam 200.

As shown in Figure 19-21, a part of mounting post 24 passes through hoisting beam 200, and sealing 251 is in installation cavity 23 In short transverse between hoisting beam 200 and cover board 22.Since (this first in the short transverse of installation cavity 23 for sealing 251 Direction) between hoisting beam 200 and cover board 22, therefore hoisting beam 200 can be spaced apart with cover board 22, i.e. hoisting beam 200 It can be spaced apart with mounting shell 2, it is possible thereby to avoid influencing the performances such as collision, the extruding of the electric vehicle.

Preferably, which may further include installation part, which can pass through screw thread Be set in a part of mounting post 24, hoisting beam 200 in the short transverse of installation cavity 23 can be located at the installation part with Between sealing 251.Specifically, the installation part can be located at the top of hoisting beam 200, sealing 251 can be located at lifting The lower section of beam 200, the installation part can be resisted against on hoisting beam 200, and sealing 251 can be resisted against on hoisting beam 200, sealing Portion 251 can be resisted against on one in cover board 22 and chassis 21.The installation part can be the second clamping piece 244.

The second through-hole can be equipped on first wall surface 231 of installation cavity 23.As shown in Figure 20 and Figure 21, mounting post 24 can be with Including cylinder 241, mounting portion 242, first clamping member 243 and the second clamping piece 244.Cylinder 241 can be located at installation cavity 23 On first wall surface 231, cylinder 241 has the third through-hole along its short transverse perforation cylinder 241, i.e. cylinder 241 has edge should First direction (such as up and down direction) penetrates through the third through-hole of cylinder 241, and cylinder 241 can hermetically connect with the second wall surface 232 Touching.Specifically, the upper surface of cylinder 241 can hermetically be contacted with the second wall surface 232.Wherein, the first wall surface 231 can be bottom The a part on the surface of disk 21, the second wall surface 232 can be a part on the surface of cover board 22.

Mounting portion 242 can pass through first through hole 221, second through-hole and the third through-hole, i.e. mounting portion 242 can be worn Cross chassis 21, cylinder 241 and cover board 22.That is, first through hole 221, second through-hole and the third through-hole this first It is substantially opposite on direction.Since cylinder 241 is located on the first wall surface 231 of installation cavity 23 and second through-hole and the third are logical Hole is substantially opposite in the first direction, therefore the edge of cylinder 241 can be located at the outside at the edge of second through-hole, i.e. column The edge of body 241 can surround second through-hole, and otherwise cylinder 241 can not be located on the first wall surface 231 of installation cavity 23.

Cylinder 241 can be welded on the first wall surface 231 of installation cavity 23；Alternatively, the first of cylinder 241 and installation cavity 23 Sealing ring can be equipped between wall surface 231；Or cylinder 241 and the first wall surface 231 of installation cavity 23 can be integrally formed, so as to Extraneous sundries (such as water) is avoided to enter in installation cavity 23 by second through-hole.

A part 2421 of mounting portion 242 can pass through first through hole 221 to stretch out installation cavity 23.Wherein, sealing 251 can be set in a part 2421 of mounting portion 242.

First clamping member 243 and the second clamping piece 244 can be located on mounting portion 242, first clamping member 243 and the second folder At least one of gripping member 244 can be set on mounting portion 242 by screw thread.Wherein, first clamping member 243 can be resisted against On another (one that is not provided with first through hole 221) or cylinder 241 in chassis 21 and cover board 22.

As shown in Figure 19-21, specifically, mounting portion 242 can pass through hoisting beam 200, first clamping member 243 can It is resisted against on cylinder 241, the second clamping piece 244 can be resisted against on hoisting beam 200.In other words, cylinder 241, cover board 22, sealing Portion 251 and hoisting beam 200 can be clamped between first clamping member 243 and the second clamping piece 244.Thus it not only can be convenient Battery system 100 is firmly mounted on hoisting beam 200 by ground, and be can be convenient ground, easily replaced battery system 100.

As shown in figure 21, the second clamping piece 244 can be located at the top of hoisting beam 200, and hoisting beam 200 can be located at sealing The top in portion 251, sealing 251 can be located at the top of cover board 22, and cover board 22 can be located at the top of cylinder 241, cylinder 241 The top on chassis 21 can be located at, chassis 21 can be located at the top of first clamping member 243.

Preferably, first clamping member 243 and mounting portion 242 can be integrally formed to constitute bolt, the second clamping piece 244 It can be nut.Holding tank can be equipped on cylinder 241, first clamping member 243 can be located in the holding tank.It is possible thereby to keep away The other component for exempting from first clamping member 243 and the electric vehicle generates interference, friction.

As shown in Figure 20 and Figure 21, interconnecting piece 252 can be set on mounting portion 242.In a tool of the utility model In body example, internal screw thread, at least part of the first part 2521 of interconnecting piece 252 can be equipped on the wall surface of the third through-hole Circumferential surface on can be equipped with can be with the external screw thread of the screw-internal thread fit, the first part 2521 of interconnecting piece 252 can be by this Internal screw thread and the external screw thread cooperate in the third through-hole.In other words, the first part 2521 of interconnecting piece 252 can pass through screw thread Cooperation is in the third through-hole.

Specifically, the first part 2521 of interconnecting piece 252 can be passed through to first through hole 221 to extend into the third In through-hole.First part 2521 due to interconnecting piece 252 passes through rotation connection by being threadedly engaged in the third through-hole Portion 252 (sealing 251 rotates together with interconnecting piece 252) can make sealing 251 into neighbouring cover board 22 and chassis 21 This one of first through hole 221 (be equipped with) direction is mobile, subsequent sealing 251 can in cover board 22 and chassis 21 This contact.As sealing 251 is further mobile, sealing 251 can be to the direction cover clamp 22 of neighbouring cylinder 241 With this one (such as cover board 22) in chassis 21, one (such as the cover board 22) and cylinder in cover board 22 and chassis 21 241 hermetically contact, i.e., the second wall surface 232 is hermetically contacted with cylinder 241.

Specifically, first through hole 221 can be located on cover board 22, and first through hole 221 can be penetrated through along the first direction and be covered Plate 22.

As shown in Figure 20 and Figure 21, mounting shell 2 may further include sealing ring 26, and sealing ring 26 can be located at cylinder 241 and second between wall surface 232.It is possible thereby to further increase the sealing performance of mounting shell 2 and battery system 100.This field Technical staff is it is understood that the outer of sealing ring 26 can be located at the outside at the edge of first through hole 221, i.e. sealing ring 26 Outer can surround first through hole 221.

Since this in cover board 22 and chassis 21 is pressed on sealing ring 26 under the drive of sealing 251, i.e. cover board 22 and chassis 21 in this not opposing seal circle 26 rotate, therefore this in cover board 22 and chassis 21 will not wear it is close The surface of seal 26, thus without the sealing performance for influencing sealing ring 26, so as to further increase mounting shell 2 and battery system The sealing performance of system 100.

Sealing ring can also be equipped between this in sealing 251 and cover board 22 and chassis 21, due to sealing 251 One direction into neighbouring cover board 22 and chassis 21 will do it rotation when mobile, therefore to wear this close for sealing 251 The surface of seal causes the sealing performance of the sealing ring to be declined.

Preferably, the cross section of sealing 251 can be circular ring shape, and the cross section of interconnecting piece 252 can be circular ring shape, close The inner peripheral surface in envelope portion 251 can be concordant with the inner peripheral surface of interconnecting piece 252.It is possible thereby to keep the structure of sealing element 25 more reasonable.

As illustrated in figures 19 and 20, mounting post 24 can be multiple, and multiple mounting posts 24 can be along the length side on chassis 21 To on the first wall surface 231 for being located at installation cavity 23 at interval.It is possible thereby to further increase the battery system 100 of inclined graduation Installation strength.

Preferably, each mounting post 24 can be located at the middle part of the first wall surface 231 in the width direction on chassis 21.Thus The structure of mounting shell 2 can be made more reasonable.Wherein, the length direction of the length direction, cover board 22 on chassis 21, installation cavity 23 The length direction of length direction and mounting shell 2 can be consistent, width direction, the width direction of cover board 22, the peace on chassis 21 23 width direction of behaveing affectedly and the width direction of mounting shell 2 can be consistent.

Multiple battery modules 1 can be equipped in installation cavity 23, multiple battery modules 1 can be in the width direction on chassis 21 Positioned at the two sides of multiple mounting posts 24.

As shown in figure 20, mounting shell 2 may further include at least one the first reinforcer 271 and two the second reinforcers 272.Multiple mounting posts 24 and at least one length direction of the first reinforcer 271 along chassis 21 can be arranged alternately.In other words, First reinforcer 271 can be equipped between two neighboring mounting post 24.Wherein, each first reinforcer 271 is located at first On wall surface 231, each first reinforcer 271 can be connected with adjacent each of two mounting posts 24.

Each second reinforcer 272 can be located on the first wall surface 231, and installation cavity 23 has the length direction on chassis 21 Upper opposite third wall surface and the 4th wall surface.Wherein, second reinforcer 272 can be with the third wall surface and the neighbouring third Each of mounting post 24 of wall surface is connected, another second reinforcer 272 can be with the 4th wall surface and the neighbouring 4th Each of mounting post 24 of wall surface is connected.It is possible thereby to which the structure for further increasing mounting shell 2 and battery system 100 is strong Degree.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention, It is a, three etc., unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection is also possible to be connected or can communicate each other；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements or the interaction relationship of two elements, unless otherwise restricted clearly.For ability For the those of ordinary skill in domain, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down " It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into Row combination and combination.

Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model Inside it can make changes, modifications, alterations, and variations to the above described embodiments.

Claims

1. a kind of battery system characterized by comprising

Mounting shell, has installation cavity in the mounting shell, the installation cavity have opposite in a first direction the first wall surface and Second wall surface；

Battery modules, the battery modules are located in the installation cavity, and the battery modules include:

Shell, the shell is interior to have accommodating chamber；

Modular battery component, the modular battery component are located in the accommodating chamber；With

Insulate glue-line, and the insulation glue-line is filled in the accommodating chamber；

Heat-exchanger rig, the heat-exchanger rig are located in the installation cavity, and the heat-exchanger rig is located at institute in said first direction It states between battery modules and the first wall surface of the installation cavity, the battery modules are contacted with the heat-exchanger rig；And

Elastic component, the elastic component be located in said first direction the heat-exchanger rig and the installation cavity the first wall surface it Between and/or be located between the battery modules and the second wall surface of the installation cavity in said first direction, the elastic component It is contacted with each of the heat-exchanger rig and the first wall surface of the installation cavity and/or the elastic component and the battery mould Each of second wall surface of group and installation cavity contact, wherein the elastic component is in compressive state.

2. battery system according to claim 1, which is characterized in that the elastic component is elastic plate or elastic layer.

3. battery system according to claim 1, which is characterized in that the battery modules be it is multiple, the elastic component is Multiple, multiple elastic components are arranged at interval, wherein each battery modules and at least two elastic components are in institute It states opposite on first direction.

4. battery system according to any one of claim 1-3, which is characterized in that the decrement of the elastic component is The compression stress of 20%-60% and/or the elastic component is 30 kPas -90 kPas.

5. battery system according to claim 1, which is characterized in that it further comprise the first flexible material layer, described One flexible material layer is located in said first direction between the heat-exchanger rig and the first wall surface of the installation cavity, and described One flexible material layer is contacted with the first wall surface of the installation cavity, first flexible material layer and the heat-exchanger rig and described A contact in elastic component, wherein first flexible material layer is insulating layer.

6. battery system according to claim 1, which is characterized in that it further comprise the second flexible material layer, described Two flexible material layers are located in said first direction between the battery modules and the heat-exchanger rig, the described second flexible material The bed of material is contacted with each of the battery modules and the heat-exchanger rig, wherein second flexible material layer is thermally conductive Layer.

7. battery system according to claim 1, which is characterized in that the modular battery component includes the first pcb board, the Two pcb boards and multiple battery modules, each battery module include:

Multiple batteries, each battery include ontology, anode ear and negative electrode lug, and the ontology has phase in its longitudinal direction Pair first end and the second end and opposite in the width direction first end face and second end face, the anode ear set In the first end, the negative electrode lug is located at the second end, each of the anode ear and described negative electrode lug Center line in the width direction of the ontology between the first end face and the length centerline of the ontology, it is described just The center line of each of tab and the negative electrode lug extends along the length direction of the ontology；

Positive bus, the positive bus include positive isostere and multiple positive interconnecting pieces, and the anode isostere is described In the width direction of ontology between the center line and the second end face of the anode ear, multiple anode connections Portion is located in the positive isostere at interval along the thickness direction of the ontology, the anode ear of the plurality of battery and more A positive interconnecting piece is connected；With

Negative bus-bar, the negative bus-bar include cathode isostere and multiple cathode interconnecting pieces, and the cathode isostere is described In the width direction of ontology between the center line and the second end face of the negative electrode lug, multiple cathode connections Portion is located in the cathode isostere at interval along the thickness direction of the ontology, the negative electrode lug of multiple batteries and multiple institutes It states cathode interconnecting piece to be connected, the plurality of battery module series connection, one 's in the two neighboring battery module is described Positive bus is connected with another the negative bus-bar in the two neighboring battery module, the connected anode Busbar connector and the negative bus-bar constitute series connection row, and first pcb board is connected with a part in multiple series connection rows, Second pcb board is connected with the rest part in multiple series connection rows, wherein first pcb board and multiple batteries Between be filled with the insulation glue-line, between second pcb board and multiple batteries be filled with the insulation glue-line.

8. battery system according to claim 7, which is characterized in that the accommodating chamber has opposite in a first direction First wall surface and the second wall surface and opposite in a second direction third wall surface and the 4th wall surface, the first direction perpendicular to The second direction, the battery modules further comprise:

Insulating protecting plate, the insulating protecting plate are located on the modular battery component, and the insulating protecting plate is described first On direction between first wall surface and the modular battery component, between the insulating protecting plate and first wall surface Filled with the insulation glue-line；

First insulation protection side plate, the first insulation protection side plate are connected with the insulating protecting plate, and first insulation is protected Shield side plate is located in this second direction between the third wall surface and the modular battery component, and first pcb board exists In the second direction between the first insulation protection side plate and multiple batteries, wherein first pcb board with The insulation glue-line, the first insulation protection side plate and the third wall surface are filled between the first insulation protection side plate Between be filled with the insulation glue-line；With

Second insulation protection side plate, the second insulation protection side plate are connected with the insulating protecting plate, and second insulation is protected Shield side plate is located in this second direction between the 4th wall surface and the battery component, and second pcb board is described In second direction between the second insulation protection side plate and multiple batteries, wherein second pcb board with it is described The insulation glue-line is filled between second insulation protection side plate, between the second insulation protection side plate and the 4th wall surface Filled with the insulation glue-line.

9. battery system according to claim 8, which is characterized in that the insulation glue-line is full of the accommodating chamber.

10. a kind of electric vehicle characterized by comprising

Car body；With

Battery system, the battery system are according to battery system of any of claims 1-9, the battery system It is located on the car body.