CN206379427U - Battery system and the vehicle with it - Google Patents

Abstract

The utility model discloses a kind of battery system and the vehicle with it, the battery system includes：Multiple battery bags, the battery bag includes：M types battery bag and L-type battery bag, the width of the M types battery bag are identical with the width of the L-type battery bag, and the height of the M types battery bag is identical with the height of the L-type battery bag, and the length of the L-type battery bag is more than the M types battery bag.It is able to can be completed in the short period of time according to battery system of the present utility model, on rapid fusion to electric vehicle.

Description

Battery system and the vehicle with it

Technical field

The utility model is related to technical field of vehicle, more particularly to a kind of battery system and the vehicle with it.

Background technology

The design cycle of current pure electric coach requires very short, causes to be installed to the lithium ion on pure electric coach and moves Power battery system is also very short from lithium-ion battery monomer to the design cycle for being capable of mass production product, and the nervous design phase agrees Surely cause production phase of product, service stage and the variety of problems in stage after sale, or even can be not remediable congenital ask Topic.

Utility model content

The utility model is intended at least solve one of technical problem in correlation technique to a certain extent.Therefore, this reality It is to propose a kind of battery system with a new purpose, the battery system be able to can have been assembled in the short period of time Into on rapid fusion to electric vehicle.

Another purpose of the present utility model is to propose a kind of vehicle with above-mentioned battery system.

According to battery system of the present utility model, including：Multiple battery bags, the battery bag includes：M types battery bag and L Type battery bag, the width of the M types battery bag is identical with the width of the L-type battery bag, the height of the M types battery bag and institute The height for stating L-type battery bag is identical, and the length of the L-type battery bag is more than the M types battery bag.

According to battery system of the present utility model, by that by the specifications and models standardization of battery bag, modularization, can cause Battery system can be completed in the short period of time, on rapid fusion to electric vehicle.

Further, since the specification of the model of battery bag obtains unification, the radiating mode of battery compartment, dustproof and waterproof mode and Mounting means etc. can also obtain unification, and then significantly reduce the design cost and assembly cost of battery compartment, and then can be with Meet the short requirement of pure electric vehicle design cycle.

In addition, can also have technical characteristic additional as follows according to the utility model battery system：

According to one embodiment of the present utility model, the length of the M types battery bag is L1, the length of the L-type battery bag Spend and met for L2, the L1 and the L2：1000mm≤L1≤1100mm, the L2 is met：760mm≤L2≤960mm.

According to one embodiment of the present utility model, the battery bag includes：Multiple battery modules, the battery modules bag Include：First battery modules and the second battery modules, the length of first battery modules are more than the length of second battery modules Degree.

According to one embodiment of the present utility model, the columns of first battery modules of the M types battery bag is R, The columns of second battery modules of the M types battery bag meets for S, the R and the S：2≤R≤3,1≤S≤2.

According to one embodiment of the present utility model, the columns of first battery modules of the L-type battery bag is P, The columns of second battery modules of the L-type battery bag meets for Q, the P and the Q：3≤P≤4,1≤Q≤2.

According to one embodiment of the present utility model, the width of the width of the M types battery bag and the L-type battery bag is The height of W, the height of the M types battery bag and the L-type battery bag is H, and the W is met：530mm≤W≤730mm, the H Meet：130mm≤H≤330mm.

According to one embodiment of the present utility model, the battery bag includes：Battery case, multiple battery modules peaces In the Battery case, the depression bar for compressing the battery modules is provided with the Battery case.

According to one embodiment of the present utility model, pressing plate, the depression bar are provided with the upper surface of the battery modules It is pressed on the pressing plate.

According to one embodiment of the present utility model, the battery bag also includes：Heating plate, the heating plate is arranged on institute State between battery modules and the Battery case.

The battery system of above-described embodiment is provided with according to the vehicle of the utility model embodiment, due to new according to this practicality The vehicle of type embodiment is provided with above-mentioned battery system, therefore vehicle assembling is easier, and the design cycle is short, improves assembling Efficiency and production efficiency.

Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description In become obvious, or by it is of the present utility model practice recognize.

Brief description of the drawings

Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined Become substantially and be readily appreciated that, wherein：

Fig. 1 is the schematic diagram in a direction of the M type battery bags according to the utility model embodiment；

Fig. 2 is the schematic diagram in another direction of the M type battery bags according to the utility model embodiment；

Fig. 3 is the schematic diagram of the L-type battery bag according to the utility model embodiment；

Fig. 4 is the explosive view of the battery bag according to the utility model embodiment；

Fig. 5 is the schematic diagram of the battery bracket according to the utility model embodiment；

Fig. 6 is the flow chart of the charging method for battery system according to the utility model embodiment.

Reference：

Battery bag 100,

Battery case 110, bottom wall 111, periphery wall 112, battery bag lifting portion 112a,

First battery modules 121, the second battery modules 122, depression bar 130, busbar 140, heating plate 150,

Battery bracket 200,

Bracket body 210, outer framework 211,

Mounting bracket 212, body 212a, branch 212b,

First connecting portion 213, second connecting portion 214,

Carriage 220.

Embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings.Below by The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that new to this practicality The limitation of type.

In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on orientation shown in the drawings Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than indicate or imply signified device or Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model System.

In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, such as two It is individual, three etc., unless otherwise specifically defined.

In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be Mechanically connect or electrically connect or can communicate each other；Can be joined directly together, the indirect phase of intermediary can also be passed through Even, can be two element internals connection or two elements interaction relationship, unless otherwise clear and definite restriction.For this For the those of ordinary skill in field, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.

With the continuous deterioration of natural environment, energy-saving and emission-reduction turn into worldwide difficulty in the urgent need to address with reducing pollution Topic.Automobile is badly in need of being changed as the important sources of energy resource consumption and disposal of pollutants.Pure electric coach uses lithium ion power Battery system, to reach tail gas zero-emission, can thoroughly solve problem above as power source.Pure electric coach passes through for many years Development with improving, the battery core technology of lithium-ion power battery system, battery system structure technology, battery management system technology and Battery system heat dissipation technology etc. has swift and violent development.

Lithium-ion power battery system is the indispensable building block of pure electric coach, lithium-ion power battery system The scheme for being carried to pure electric coach embodies the overall technology level of pure electric coach.1) existing pure electric coach is carried Lithium-ion power battery system does not form unified specification, is simply designed according to the space requirement of pure electric coach, many The electric motor coach of kind of model will design a variety of corresponding battery systems, design cumbersome, and it is high to design and produce cost, while can not be by The characteristic of lithium-ion-power cell is embodied well；2) because electrokinetic cell system can not be provided with unified specifications and models To bus factory, cause new type passenger car can be because the change of electrokinetic cell system redesigns the radiating of battery compartment in Top-Down Design Mode, dustproof and waterproof mode or mounting means etc. and delay design time.

The design cycle of current pure electric coach requires very short, causes to be installed to the lithium ion on pure electric coach and moves Power battery system only has 3 days or so from lithium-ion battery monomer to the design cycle for being capable of mass production product, nervous design rank Duan Keneng causes the production phase, service stage and the variety of problems in stage, or even can be not remediable congenital after sale of product Sex chromosome mosaicism.

The battery system of the utility model embodiment is described in detail with reference to Fig. 1 to Fig. 6.

Multiple battery bags 100 are included according to the battery system of the utility model embodiment, battery bag 100 includes M type batteries Bag and L-type battery bag, the width of M type battery bags are identical with the width of L-type battery bag, height and the L-type battery bag of M type battery bags Height it is identical, the length of L-type battery bag is more than the length of M type battery bags, it is possible thereby to improve the standardization journey of battery bag 100 Degree.

Because the size of the battery installing space of every kind of vehicle is different, therefore battery bag size of the prior art is a variety of more Sample, so easily causes design and the waste of resource, and the battery bag size installed in every kind of vehicle is all different, it is therefore desirable to right The battery compartment of vehicle carries out design iterations so that it meets the installation of battery bag, and remaining related components will also be set in the lump Meter.

By the way that the specifications and models of battery bag 100 are standardized, modularization, battery system can be enabled when shorter It is interior to be completed, on rapid fusion to electric vehicle.

Further, since the specification of the model of battery bag 100 obtains unification, the radiating mode of battery compartment, dustproof and waterproof mode And mounting means etc. can also obtain unification, and then the design cost and assembly cost of battery compartment are significantly reduced, and then The short requirement of pure electric vehicle design cycle can be met.

Specifically, the length of M types battery bag is L1, and the length of L-type battery bag is L2, and L1 is met：1000mm≤L1≤ 1100mm, the L2 is met：760mm≤L2≤960mm.Preferably, L1=1060mm, L2=860mm.

Inventor has found by test of many times, when the length and the length satisfaction such as co-relation of M type battery bags of L-type battery bag During formula, the combination of two kinds of battery bags 100 can meet the requirement of a variety of vehicles, from station wagon to motorbus, battery system The battery installing space of vehicle can farthest be utilized.

Thus, the model specification of battery bag 100 is further unified, and the battery bag 100 of standardization is adapted to more On the vehicle of polytypic so that battery system can be completed in the short period of time, rapid fusion to electric vehicle.

Further, battery bag 100 includes multiple battery modules, and battery modules include the first battery modules 121 and second Battery modules 122, the length of the first battery modules 121 is more than the length of the second battery modules 122.

Meanwhile, the first battery modules 121 could be arranged to multiple lines and multiple rows, and the second battery modules 122 could be arranged to multirow Multiple row.

The columns of first battery modules 121 of M type battery bags is R, the columns of the second battery modules 122 of M type battery bags Met for S, the R：2≤R≤3, the S is met：1≤S≤2.

The columns of first battery modules 121 of L-type battery bag is P, the columns of the second battery modules 122 of L-type battery bag Met for Q, the P：3≤R≤4, the Q is met：1≤Q≤2.

In specific example of the present utility model, as shown in Figure 1 to Figure 2, the first battery modules 121 of M type battery bags Columns is 2, and the columns of the second battery modules 122 is 1.As shown in figure 3, the columns of the first battery modules 121 of L-type battery bag is 3, the columns of the second battery modules 122 is 1.

Thus, it is possible to which the first battery modules 121 and the second battery modules 122 more rapidly are arranged on into battery bag 100 In, improve the installation effectiveness of battery bag 100.In addition, by the columns and the second battery of the first battery modules 121 of M type battery bags The columns of module 122 is set to meet above-mentioned relation formula, by the columns of the first battery modules 121 of L-type battery bag and the second electricity The columns of pond module 122 is set to meet above-mentioned relation formula, can have the same of higher installation effectiveness meeting battery bag 100 When, the volume of battery modules is suitable, can have higher charging and discharging capabilities.

The width of M type battery bags is W, the height of M type battery bags and the height of L-type battery bag with the width of L-type battery bag Met for H, W：530mm≤W≤730mm, H are met：130mm≤H≤330mm.In specific example of the present utility model, W= 630mm, H=230mm.

Battery bag 100 includes Battery case, and multiple battery modules are arranged in Battery case, and use is provided with Battery case In the depression bar for compressing battery modules.

Pressing plate is provided with the upper surface of battery modules, depression bar is pressed on pressing plate.Pressing plate can protect battery modules not It is damaged, and further increases the sealing property of battery modules.

Depression bar can have multiple, and a part of in multiple depression bars can be arranged on the top of Battery case, for being pressed on Between multiple row battery modules, it is to avoid vehicle battery modules bob in the process of moving；A part in multiple depression bars also may be used To be arranged on the perisporium of Battery case, for compressing battery module in the circumferential.

Specifically, Battery case 110 includes bottom wall 111 and periphery wall 112, and periphery wall 112 is arranged on the periphery of bottom wall 111 Along and upwardly extend, battery bag lifting portion 112a is provided with the lateral surface of periphery wall 112, erecting by overhang can pass through battery bag Lifting portion 112a slings battery bag 100 to complete the movement of battery bag 100.

In specific example of the present utility model, as shown in Figure 2 and Figure 4, battery bag lifting portion 112a is four, therein Two battery bag lifting portion 112a are arranged on a side wall of Battery case 110, two battery bag lifting portion 112a in addition It is arranged on another side wall of Battery case 110, and two side walls are opposite to each other.

As shown in figure 4, due to being provided with multiple battery modules 120 in each battery bag 100, therefore battery bag 100 is also wrapped Include the busbar 140 that multiple battery modules 120 are cascaded, so multiple battery modules 120 can be cascaded to Outer output electric energy.

As shown in figure 4, in order to ensure that battery bag 100 can charge at a lower temperature, can Battery case 110 with Heating plate 150 is set between corresponding battery modules 120, and the heating plate 150 can provide heat for battery modules 120, it is ensured that Battery bag 100 can also be charged normal at low temperature.

Heating plate 150 can be placed on the perisporium of Battery case 110 and/or the inner side of bottom wall 111, so can be to battery The perisporium or/and bottom wall 111 of module 120 are heated.

Further, battery bag 100 can also include heat-insulation layer, and heat-insulation layer can be arranged on heating plate 150 and battery case Between body 110 or it is arranged between heating plate 150 and battery modules 120, and then can be under cryogenic to battery modules After 120 are heated, it is ensured that the heat of battery modules 120 will not scatter and disappear easily, improve the efficiency of heating surface of heating plate 150 and add Thermal effect.

Preferably, heat-insulation layer is arranged between Battery case 110 and heating plate 150.Thus, it is possible to so that heating plate 150 The most of heat sent is all used to heat battery modules 120, improves the efficiency of heating surface and heating effect of heating plate 150.

Battery bag 100 also includes heat-conducting plate and heat conductive insulating silica gel, and heat-conducting plate and heat conductive insulating silica gel can be in battery moulds Group 120 heat it is too high when, by the heat derives of battery modules 120, it is to avoid due to the temperature of battery modules 120 it is too high and to it Cause damage.Heat-conducting plate can be metallic plate, such as aluminum heat conducting plate.

Preferably, temperature control system can be set to detect and control the temperature of battery modules 120 so that battery modules 120 remain at suitable temperature.For example, when the temperature of battery modules 120 is relatively low and is not suitable for charging, temperature control system System can control heating plate 150 to heat battery modules 120；When the temperature of battery modules 120 is higher, heat-conducting plate and lead Heat insulation silica gel can reduce the heat derives of battery modules 120 temperature of battery modules 120.

Alternatively, battery modules 120 are fixed on the bottom wall 111 of Battery case 110 by threaded fastener.Thus, it is electric Pond module 120, which is mounted and dismounted, more to be facilitated, and improves the installation effectiveness of battery bag 100.

The battery system of above-described embodiment is provided with according to the vehicle of the utility model embodiment, due to new according to this practicality The vehicle of type embodiment is provided with above-mentioned battery system, therefore vehicle assembling is easier, and the design cycle is short, improves assembling Efficiency and production efficiency.

Battery bag 100 can be arranged in the battery compartment of vehicle by battery bracket 200, and this practicality is described more fully below The battery bracket 200 of new embodiment.

Included being provided with bracket body 210, bracket body 210 according to the battery bracket 200 of the utility model embodiment It is easy to the carriage 220 that battery bag 100 is installed and picked and placeed.

Battery bracket 200 is provided with the battery compartment of vehicle, battery bag 100 can be placed on battery bracket 200, incited somebody to action When battery bag 100 is arranged on battery bracket 200, due to being provided with carriage 220 on battery bracket 200, battery bag 100 can Easily to slide into battery bracket 200, and then improve the installation effectiveness of battery system.

When some battery bag 100 breaks down or during fire, due to being provided with carriage 220 on battery bracket 200, Therefore it can will rapidly break down or the battery bag 100 of accident is taken out, it is to avoid cause bigger danger, improve battery system The security of system.

According to the battery bracket 200 of the utility model embodiment, by being provided for the cunning that battery bag 100 is installed and picked and placeed Dynamic device 220, can lift the installation effectiveness of battery system, and break down in battery bag 100 or during accident can quickly by It takes out, and improves the security performance of battery system.

As shown in figure 5, carriage 220 is multigroup, between width of multigroup carriage 220 along battery bracket 200 Separate, and every group of carriage 220 includes the sub- carriage that multiple length directions along bracket body 210 are spaced apart.Thus, Further increase the installation effectiveness of battery system.In specific example of the present utility model, carriage 220 is three groups, and Three groups of carriages 220 are spaced apart from each other.

In some embodiments of the present utility model, sub- carriage is multiple spaced rollers.Roller can be held By larger pressure, compared to the carriage of other forms, the weight that roller can better adapt to battery bag 100 is larger Characteristic.

As shown in figure 5, bracket body 210 includes outer framework 211 and multiple installations being fixed on the short side of outer framework 211 Frame 212, mounting bracket 212 is used to fix carriage 220.

First connecting portion 213 is provided between two adjacent mounting brackets 212, is which thereby enhanced between mounting bracket 212 Intensity, and then improve the structural strength of whole battery bracket 200.

Second connecting portion 214 is provided between mounting bracket 212 and the long side of outer framework 211, it is necessary to explanation, the installation Frame 212 is two mounting brackets 212 adjacent with two long sides of outer framework 211, the two ends of two mounting brackets 212 not only with outside The short side of framework 211 is connected, and intermediate portion is also connected with the long side of outer framework 211.Thus, by setting first connecting portion 213 and second connecting portion 214, mounting bracket 212 can be fixed together with whole outer framework 211, improve battery bracket 200 bulk strength.

Further, as shown in figure 5, multiple first connecting portions 213 and multiple second connecting portions 214 are in outer framework 211 It is interspersed on length direction.Thus, the bulk strength of battery bracket 200 is further increased, it is ensured that battery bag 100 can pacify Quietly it is placed on the top of battery bracket 200.

Specifically, point that mounting bracket 212 includes body 212a and is arranged on body 212a both sides and upwardly extends Branch 212b, the two ends of carriage 220 are separately positioned on corresponding branch 212b.It is understood that carriage 220 peak exceeds branch 212b height.Thus, battery bag 100 is when sliding in or out battery bracket 200, battery Casing 110 could be contacted with carriage 220 reduces the effect rubbed to realize.

Include the battery bracket 200 of above-described embodiment according to the vehicle of the utility model embodiment, due to according to this reality Above-mentioned battery bracket 200 is provided with the vehicle of new embodiment, therefore the production efficiency of the vehicle is higher, and security performance More preferably.

Due to being provided with heater (for example, heating plate 150 etc.) in battery bag 100, therefore the utility model is also proposed A kind of charging method for battery system, the charging method can allow the vehicle at low temperature to fill battery bag Electricity.

As shown in fig. 6, according to the charging method for battery system of the utility model embodiment, following step can be included Suddenly：

Detect the temperature LT of battery bag 100；

When LT meets following relational expression：During T1≤LT ＜ T2, battery bag 100 is charged and battery bag 100 heated simultaneously, When LT meets following relational expression：During LT ＜ T1, battery bag 100 is heated and stops charging to battery bag 100, when LT meets as follows Relational expression：During LT >=T2, battery bag 100 is charged and stops heating battery bag 100.

Wherein, T1 is the first preset temperature, and T2 is the second preset temperature.In other words, when battery bag 100 temperature be more than etc. In the first preset temperature and less than the second preset temperature when, while battery bag 100 is charged and heated, to cause battery Bag 100 can quickly reach the temperature suitably charged；

When the temperature of battery bag 100 is less than the first preset temperature, only battery bag 100 is heated and stopped to battery bag 100 chargings, for example, can disconnect charge relay, thus avoid charging is carried out to battery bag 100 under low temperature may be to The infringement that battery bag 100 is brought, while lifting the temperature of battery bag 100 as early as possible to meet charge condition；

When the temperature of battery bag 100 is more than or equal to the second preset temperature, only battery bag 100 is charged and stopped to battery Bag 100 is heated, i.e., temperature now can be charged and without being heated to battery.

According to the heating means of the battery system of the utility model embodiment, battery bag 100 can be enabled in low temperature Under be rapidly achieved the temperature suitably charged, stop charging to battery bag 100 in temperature as little as certain value, and then avoid Battery bag 100 is damaged when charging at low ambient temperatures, improves the service life of battery bag 100.

In some embodiments of the present utility model, 0 DEG C of T1 ＜.In other words, when battery bag 100 temperature be in zero degree with When lower, battery bag 100 can be heated with so that battery bag 100 reaches the temperature suitably charged as early as possible.

Further, T1=-5 DEG C, T2=0 DEG C.

Inventor has found by many experiments, when the temperature of battery bag 100 is in subzero less than 5 DEG C, is not suitable for electricity Pond bag 100 is charged, and otherwise can be brought permanent damage to battery bag 100, be significantly reduced the use longevity of battery bag 100 Life.And when the temperature of battery bag 100 is more than 0 DEG C, it is not necessary to battery bag 100 is heated, can be directly to battery bag 100 Charged.

When the temperature of battery bag 100 is less than the second preset temperature, it is necessary to be heated to battery bag 100, and to electricity After the heating of pond bag 100, the temperature LT of battery bag 100 meets following relational expression：During LT ＞ T3, stopping is heated to battery bag 100.

In other words, when battery bag 100 is heated to T3 temperature, heating is just stopped, now T3 is that battery bag 100 is convenient The temperature of charging.

Alternatively, T3=5 DEG C.I.e. when the temperature of battery bag 100 is heated to 5 DEG C, suitable charging has just been had arrived at Temperature, can now stop heating battery bag 100.

When heater battery bag 100 is heated and heater itself temperature LS be more than 90 DEG C and duration K1 When, control heater stop heating and stop charging to battery bag 100, for example can by the heating being connected with heater after Electrical equipment or charge relay are disconnected so that heater stop is heated.Because now the temperature of heater is too high, it may be possible to plus Thermal there occurs failure, in order to avoid failure further expansion, it is necessary to heater stop is heated, carry out necessary inspection Repair.Alternatively, duration K1 is not less than 10s.

Heater can be operated with batch (-type) mode of heating, be met in LS：75 DEG C≤LS≤90 DEG C and continue when Between K2 when, heater stop heating, LS meet：During 75 DEG C of LS ＜, heater can work.

In other words, when the temperature LS of heater is met：During 75 DEG C≤LS≤90 DEG C, although heater temperature is higher, But it can not affirm that heater breaks down, therefore heater can be made to temporarily cease heating, for example, can cause by adding The electric current of thermal is zero.

Heater temperature be less than preset value when, for example when heater temperature be less than 60 DEG C, heater after Continuous work.Alternatively, the temperature LS of heater is met：75 DEG C of 90 DEG C of ＜ LS ＜ duration K2 is not less than 10s.

Battery system can use above-mentioned charging method, it is possible thereby to improve charge efficiency, it is ensured that battery bag 100 is in Suitable charging temperature.Vehicle can use above-mentioned charging method or battery system, thereby guarantee that vehicle has stronger fill Electric energy power, vehicle can be charged in a variety of contexts, and then at least improved the continuation of the journey of vehicle to a certain extent and driven Sail the use feeling of personnel.

In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature Can be that the first and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Moreover, first is special Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level 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 to combine specific features, structure, material or the spy that the embodiment or example are described Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area Technical staff the not be the same as Example or the feature of example and non-be the same as Example or example described in this specification can be entered Row is combined and combined.

Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in scope of the present utility model It is interior above-described embodiment to be changed, changed, replaced and modification.

Claims (10)

1. a kind of battery system, it is characterised in that including：Multiple battery bags, the battery bag includes：M types battery bag and L-type electricity Chi Bao, the width of the M types battery bag is identical with the width of the L-type battery bag, height and the L of the M types battery bag The height of type battery bag is identical, and the length of the L-type battery bag is more than the M types battery bag.

2. battery system according to claim 1, it is characterised in that the length of the M types battery bag is L1, the L-type The length of battery bag is L2, and the L1 is met：1000mm≤L1≤1100mm, the L2 is met：760mm≤L2≤960mm.

3. battery system according to claim 1, it is characterised in that the battery bag includes：Multiple battery modules, it is described Battery modules include：First battery modules and the second battery modules, the length of first battery modules are more than the described second electricity The length of pond module.

4. battery system according to claim 3, it is characterised in that first battery modules of the M types battery bag Columns be R, the columns of second battery modules of the M types battery bag is S, the R and the S satisfaction：2≤R≤3,1 ≤S≤2。

5. battery system according to claim 3, it is characterised in that first battery modules of the L-type battery bag Columns be P, the columns of second battery modules of the L-type battery bag is Q, the P and the Q satisfaction：3≤P≤4,1 ≤Q≤2。

6. battery system according to claim 2, it is characterised in that the width of the M types battery bag and the L-type battery The width of bag is W, and the height of the height of the M types battery bag and the L-type battery bag is H, and the W is met：530mm≤W≤ 730mm, the H is met：130mm≤H≤330mm.

7. battery system according to claim 3, it is characterised in that the battery bag includes：Battery case, it is multiple described Battery modules are arranged in the Battery case, and the depression bar for compressing the battery modules is provided with the Battery case.

8. battery system according to claim 7, it is characterised in that pressure is provided with the upper surface of the battery modules Plate, the depression bar is pressed on the pressing plate.

9. battery system according to claim 7, it is characterised in that the battery bag also includes：Heating plate, the heating Piece is arranged between the battery modules and the Battery case.

10. a kind of vehicle, it is characterised in that including the battery system any one of claim 1-9.