CN217544832U - Power battery module cover plate, battery module and battery pack - Google Patents

Abstract

The power battery module cover plate comprises a module upper cover with a polarity mark, one end of the module upper cover is provided with a lug, the edge of the module upper cover is provided with at least one first through hole, and the first end plate and the second end plate are respectively provided with a second through hole; the battery module comprises a power battery module cover plate, a CCS assembly and a second end plate, wherein the second end plate is connected with the polarity identification ends of the upper covers of the two modules; the battery cell unit is arranged between the two first end plates; the module upper cover buckle is fixedly connected with the module cover plate and the CCS component; the first end plate and the second end plate are fixedly connected with the battery pack box body; the module plug connector is positioned on the outer side of the first end plate and fixedly connected with the bottom of the lug; the battery pack comprises a battery pack box body and a battery module fixed in the battery pack box body; the length direction of the box body is consistent with the width direction of the battery unit; the height direction of the box body is consistent with the height direction of the battery unit; the width direction of the case body coincides with the length direction of the battery unit. The module has the advantages of simple structure, high space utilization rate and easy expansion.

Description

Power battery module cover plate, battery module and battery pack

Technical Field

The utility model belongs to the technical field of power battery, especially, relate to a power battery module apron, a power battery module to and a battery package.

Background

The power source in the new energy automobile is a power battery, and the integration of a battery core, a BMS and a system in the power battery is a key core technology of the power battery. The current power battery is used as a power source of a pure electric vehicle and is a key component for improving the performance and the endurance mileage of the whole vehicle. The existing module upper cover is not designed according to the size of a standard part, the structure is complex, the traditional module size is not beneficial to the development of the platform-based battery pack of the whole vehicle in the existing platform-based expansion of the whole vehicle, and the actual cost is higher. However, the conventional power battery and the battery pack have great influence on the space utilization rate inside the power battery system on the improvement of the whole vehicle endurance mileage of the electric vehicle.

Therefore, a module upper cover standard component is developed and designed, the power battery module can be guaranteed to be expanded on the axle distance of the whole vehicle, the extending direction of the battery cover plate can be expanded, wiring connected by wiring harnesses in the structure of the battery module can be improved, the space utilization rate in the power battery system is high, and the whole vehicle endurance mileage of the electric vehicle is still very necessary and urgent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power battery module apron, battery module and battery package, the technical problem that solve makes it solve above-mentioned battery module apron structure complicacy, is unfavorable for shortening battery package development cycle, and development cost is higher, can not adapt whole wheel base configuration and plane expansion, and the headspace of battery package is great, the technical problem that the space utilization of battery package is low.

The purpose of the utility model and the technical problem thereof are realized by adopting the following technical scheme. The foundation the utility model discloses a first aspect provides a power battery module apron, and this power battery module apron includes: the battery module comprises a module upper cover and a first end plate, wherein the module upper cover is provided with a plurality of pairs of polarity marks, a lug is arranged in the middle of one end of the module upper cover, and the other end of the module upper cover is connected by the first end plate to form a battery module cover plate; the module upper cover is provided with at least one first through hole for fixing the module upper cover on the battery module; the width of the module upper cover is consistent with that of the battery module.

Preferably, at least one upper cover reinforcing band is arranged in the middle area of the module upper cover, and the length of the upper cover reinforcing band is consistent with the length direction of the module upper cover.

Preferably, one side of the end part of the cover tape lug on the module is marked with a polarity mark, and the other side is marked with a wiring mark.

Preferably, the battery module cover plate extends in the width direction along the length direction of the vehicle wheel base.

The utility model discloses a second aspect provides a power battery module, has the battery module apron that foretell module upper cover and first terminal plate constitute, and the power battery module includes: the system comprises a power battery module cover plate, a second end plate, a CCS assembly, a module upper cover buckle, a module plug connector and a battery cell unit, wherein the second end plate is connected with a module upper cover polarity identification end; the power battery module comprises an accommodating space, the battery cell unit is arranged between second end plates at two ends of a cover plate of the power battery module and is arranged in the accommodating space of the power battery module below the cover plate of the power battery module; the first end plate and the second end plate are respectively provided with a second through hole, and the first end plate and the second end plate are fixedly connected with screw holes arranged on the side wall of the battery pack through bolts and the second through holes; the battery module cover plate is fixedly connected with the CCS component through the module upper cover buckle; the module plug connector is located the second end plate outside, with the bottom fixed connection of lug on the module upper cover.

Preferably, the module upper cover buckle comprises a buckle lock head, a buckle bottom plate and a buckle rod; the buckle lock head is a reverse buckle lock head, and one end of the buckle lock head is connected with the buckle bottom plate through the buckle rod; the buckle lock head and the buckle rod penetrate through a first through hole in the battery module cover plate, and the other end of the buckle lock head is clamped in a clamping hole of the CCS component; the length of the buckle bottom plate is larger than the diameter of the first through hole; the diameter of the buckle lock head is larger than that of the clamping hole in the CCS assembly.

Preferably, the module upper cover is provided with a recess, the first through hole of the battery module cover plate is positioned in the recess, and the depth of the recess is not greater than the thickness of the buckle bottom plate.

Preferably, the battery module cover plate extends in the width direction of the cover plate along the length direction of the axle base of the whole vehicle, and the number of the extended battery module cover plate is set according to the length of the axle base of the whole vehicle.

Preferably, the module plug connector includes the jack of being qualified for the next round of competitions that is located wiring sign one side of horizontal direction, the power battery module includes the pencil connecting wire, pencil connecting wire both ends are provided with the pencil link, the jack of being qualified for the next round of competitions on two module plug connectors of the adjacent wiring sign of power battery module homonymy passes through the pencil connecting wire is connected.

A third aspect of the present invention provides a battery pack, which has the above power battery module, and includes a battery pack case and at least one power battery module, wherein the power battery module is fixed in the battery pack case; the power battery module includes: a housing having an accommodating space; the battery unit is arranged in the accommodating space and comprises at least one battery unit arranged along the length direction of the shell; the length direction of the battery pack box body is consistent with the width direction of the battery unit; the height direction of the housing is consistent with the height direction of the battery unit; the width direction of the battery pack box body is consistent with the length direction of the battery unit.

Compared with the prior art, the utility model obvious advantage and beneficial effect have. Borrow by above-mentioned technical scheme, the utility model discloses power battery module apron, battery module and battery package have one of following advantage and beneficial effect at least:

1. this application does benefit to through with module apron structural design simple, structural dimension standardization the installation of power battery module and battery package has reduced the cost of production and installation.

2. This application is through setting up module upper cover buckle between module apron and the module, through module upper cover buckle with the module apron with module subassembly fixed connection makes the simple to operate of module apron swift.

3. This application makes through the standardized design of module apron when the module apron can the configuration of whole car wheel base of adaptation, can also the platformization expand.

4. This application reduces the headspace of battery package through the rational arrangement of connector structure relation in battery module apron and the battery module, increases the space utilization of battery package simultaneously.

The module cover plate is complex and simple in structure, beneficial to shortening the development period of the battery pack, capable of reducing the development cost of the power battery, adaptive to the configuration of the whole wheelbase, capable of reducing the reserved space of the battery pack and capable of increasing the space utilization rate of the battery pack.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of a module according to an embodiment of the present invention;

fig. 2 is a schematic top view of a battery module structure according to an embodiment of the present invention;

fig. 3 is a schematic view of the cross-sectional structure of the AA' of fig. 2, partially enlarged, according to an embodiment of the present invention;

fig. 4 is a schematic view of a module upper cover buckle structure according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a module plug connector in a power battery module according to an embodiment of the present invention;

FIG. 6 is a partially enlarged schematic view of the modular plug connector of FIG. 5 in accordance with an embodiment of the present invention;

fig. 7 is a schematic structural view of a harness connection line in a battery pack according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a battery pack according to an embodiment of the present invention.

[ description of main element symbols ]

1: a battery module cover plate;

11: a module upper cover; 12: a first end plate; 13: a second end plate;

14: a first through hole; 141: a recess;

15: a second through hole; 16: an upper cover reinforcing band; 17: a tab;

18: a polarity identification; 19: a wiring identification;

2: the module upper cover is buckled;

21: a lock head is buckled; 211: the notch is clamped;

22: a bottom plate is buckled; 23: a buckle rod;

3: a CCS component;

31: a groove; 311: a gasket;

32: a notch flange;

4: a module plug connector;

41: an outlet wire jack; 411: a wire outlet direction;

5: a power battery module;

6: a battery pack;

61: a battery pack case; 62: a wire harness connection line;

7: the battery package box is outer along.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description will be given to the specific embodiments, structures, features and effects of the cover plate of the power battery module, the battery module and the battery pack according to the present invention with reference to the accompanying drawings and preferred embodiments.

The first embodiment is as follows:

the utility model relates to a power battery module apron 1, as shown in figures 1 and 2, this power battery module apron 1 is the platelike structure of rectangle, and it includes: the module upper cover 11 and the first end plate 12 have a plurality of pairs of polarity marks 18 in rectangular shapes, the polarity marks 18 include polarity marks 18 with positive polarity and negative polarity, the polarity marks 18 are not limited to the polarity marks 18 with positive polarity and negative polarity, and meanwhile, the polarity marks 18 also include polarity marks 18 with similar polarity as the polarity marks 18 with grounding polarity and the like. The middle position of one end with the polarity indication 18 is provided with a convex piece 17 structure protruding outwards, and the convex piece 17 can be in a round, rectangular, oval or triangular structure and the like. For ease of installation and illustration, the rectangular tab 17 configuration shown in FIG. 1 is used as an example.

In the embodiment of the present application, the first end plate 12 includes an upper plate and a lower plate, the upper plate and the lower plate are connected by a connection block, the height of the connection block between the upper plate and the lower plate is slightly greater than the thickness of the module upper cover 11, so that the module upper cover 11 is inserted into an "i-shaped" double-layer plate-shaped structure formed by the upper plate and the lower plate, and the two ends of the upper plate and the lower plate are respectively and correspondingly provided with a second through hole 15 for fixing. The other ends of the two module upper covers 11 are connected to the ends of the other ends of the two module upper covers 11 by a first end plate 12. The module upper cover 11 forms a battery module cover plate 1 with multiple identifiers (positive polarity and negative polarity).

In the embodiment of the present application, the module upper cover 11 is provided with at least one first through hole 14, the first through hole 14 may be a through hole with a circular shape, a rectangular shape, an oval shape, a triangular shape, or a rhombic shape, and the like, and the circular first through hole 14 shown in fig. 1 is taken as an example in this embodiment for description. The circular first through hole 14 is used to fix the module upper cover 11 to the battery module.

In the embodiment of the present application, as shown in fig. 3, fig. 3 is a partially enlarged schematic cross-sectional structure diagram of AA' in fig. 2 according to the embodiment of the present invention. The first through holes 14 are respectively located at the edges of the two sides of the module upper cover 11, an accommodating space is further sealed at the two ends of the lower part of the module upper cover 11 between the AA', and the module upper cover 11 can be fixed on the battery module through the first through holes 14 by bolts.

In the embodiment of the present application, the width of the module upper cover 11 is the same as the width of at least one battery module, and is used for covering the matched module upper cover 11 on the battery module. The length dimension of traditional battery module upper cover 11 is 355mm,390mm,590mm, and in the installation use, the size can not reach standardized design requirement, and battery module upper cover 11 in this application adopts the size of 1278mm length in unison, and this size makes the battery module apron 1 be in can reach the maximum demand length of present battery module length dimension under the connection of first end plate 12 expands. When the length of the module upper cover 11 exceeds the length of the battery module, the module upper cover 11 may be cut at one end of the polarity mark 18 to remove a suitable length, and then the two cut module upper covers 11 are connected together through the first end plate 12. Preferably, the first through holes 14 are multiple and are disposed at the edge of the module upper cover 11 as shown in fig. 1. The battery module upper cover 11 in this application realizes the application on different projects, for example when being applied to on the mobile operation equipment to can further realize standardized size design, so that 1 simple structure of battery module apron, portability is strong.

In the embodiment of the present application, the module top cover 11 may be made of PC material, such as strong-toughness thermoplastic resin, and has the characteristics of good mechanical properties, high temperature resistance, excellent insulating properties, high dielectric coefficient, and convenient molding. The module upper cover 11 of the existing power battery module 5 generally adopts the process forms of injection molding, plastic suction, extrusion molding and the like, and has the advantages of complex structure, high cost and poor universality. This application the specific forming process mode of module upper cover 11 adopts cross cutting technology processing, can be satisfying under the condition that mechanical strength required, can make the thickness of the standardized module upper cover 11 of machine-shaping reach 0.5mm to it is light, more convenient transportation and assembly practice thrift practical application's marginal cost.

Example two:

the utility model relates to a power battery module apron 1, as another kind of preferred mode of above-mentioned embodiment one, as shown in figure 1, 2, 3 and 8, should the middle zone of module upper cover 11 is provided with at least one upper cover strengthening band 16, upper cover strengthening band 16 can be the strengthening rib of line shape or for the reinforcing plate that has certain thickness, upper cover strengthening band 16 has better arbitrary and intensity, is difficult to be bent or break, upper cover strengthening band 16 includes and is not limited to above-mentioned two kinds of simple similar forms. The length of the upper cover reinforcing tape 16 is the same as the length direction of the module upper cover 11, so as to better stabilize the strength of the battery module cover plate 1 in the extending direction of the connection of the module upper cover 11. A striking rectangular frame can be arranged in the middle of the battery module cover plate 1, and is used for arranging the nameplate of the product.

Example three:

the utility model relates to a power battery module apron 1, as another kind of preferred mode of above-mentioned embodiment two, as shown in attached figure 1, 2, 3 and 8, lug 17 tip one side of taking the rectangular shape of module upper cover 11 is marked polarity sign 18, polarity sign 18 generally includes but not limited to the sign of positive pole and negative pole rectangle lug 17's opposite side is marked wiring sign 19, wiring sign 19 also can, sign such as code, digit, letter or pattern be as wiring sign 19.

Example four:

the utility model relates to a power battery module apron 1, as another kind of preferred mode of above-mentioned third embodiment, as shown in figure 1, 2, 3 and 8, battery module apron 1 extends along whole wheel base length direction on its width direction, when battery module apron 1 extends on its width direction, battery module apron 1 can pass through first through-hole 14 passes through the bolt fastening on the module subassembly of 5 lower extremes of power battery module. As a preferable mode, the battery module cover plate 1 may further include second end plates 13 at two ends, and the second end plates 13 are provided with second through holes 15, so that the battery module cover plate 1 is connected to the second end plates 13, or the second end plates 13 are disposed under the battery module cover plate 1 and overlapped with the battery module cover plate 1 in width, and the second end plates 13 are connected to the battery module cover plate 1 by the high-strength adhesive. When extending along full car wheel base length direction on its width direction battery module apron 1, every power battery module apron 1 is as independent unit, can pass through first through-hole 14 with power battery module 5's lower part subassembly fixed connection, through the second through-hole 15 that second end plate 13 both ends set up will through the bolt power battery module 5 is fixed on the battery package 6.

Example five:

the second mode of the utility model, this application provides a power battery module 5, as another preferred mode of above-mentioned fourth embodiment, as shown in fig. 1, 2, 3 and 4 and 8, this power battery module 5 has the aforesaid module upper cover 11 and the battery module apron 1 that first terminal plate 12 constitutes, include: have at least one set of power battery module apron 1 among the above-mentioned embodiment one to four, connect second end plate 13, CCS subassembly 3, module upper cover buckle 2, module plug connector 4, the electricity core unit of module upper cover 11 polarity sign 18 end.

The power battery module comprises an accommodating space, the battery cell unit is a block-shaped mechanism and is arranged between the second end plates 13 at the two ends of the cover plate 1 of the power battery module; the cell units are positioned below a battery module cover plate 1, and are stacked layer by layer in the height direction of the power battery module 5 until the height of the cell units reaches the height contained by the battery module, and then the CCS assembly 3 encapsulates the cell units, namely, the cell units are positioned in the containing space of the power battery module below the battery module cover plate.

In the embodiment of the present application, the first end plate 12 and the second end plate 13 are respectively provided with a second through hole 15, and the first end plate 12 and the second end plate 13 are fixedly connected to the side wall of the battery pack 6 through a bolt and the second through hole 15. As shown in fig. 1 and 2, the first end plate 12 and the second end plate 13 are fixedly connected to the screw holes of the side wall of the battery pack 6 by bolts and second through holes 15. The battery module cover plate 1 is fixedly connected with the CCS component 3 through the module upper cover buckle 2. The CCS component 3 is provided with a plurality of grooves 31 for fastening the module upper cover buckle 2 corresponding to the first through hole 14 on the battery module cover plate 1 with the top facing upwards. And the battery module cover plate 1 covers the CCS component 3 and is used for shielding and protecting high-voltage components in the power battery module 5.

In the embodiment of this application, 3 tops of CCS subassembly are provided with the card hole, the card hole can be recess 31 structure, recess 31 notch is in the orientation recess 31 center department sets up notch flange 32, the notch with notch flange 32 all is circular structure recess 31 bottom position sets up gasket 311, gasket 311 is shape such as circular or square for block 2 tops of module upper cover buckle are right the destruction of 3 recesses 31 bottoms of CCS subassembly.

In the embodiment of this application, module plug connector 4 is located the outside of second terminal plate 13, with the bottom fixed connection of lug 17 on module upper cover 11, lug 17 just in time shelters from module plug connector 4 when module plug connector 4 level was placed, lug 17 on module upper cover 11 just in time shelters from the top of module plug connector 4, has avoided inside the dew drop of condensing of battery module apron 1 falls into in the module plug connector 4.

In the embodiment of this application, be 355mm at traditional power battery module 5's length, 390mm, under the condition that the extension of whole car platformization can not be satisfied to 590 mm's size, this application battery module apron 1 adopts 1278 mm's standardized size in the length, realizes through the mode that increases the first end plate 12 that is used for connecting the extension in the middle part at battery module apron 1, when guaranteeing module intensity, has further improved power battery module 5's cluster parallel number, under the condition that reduces spare part quantity (like the quantity of end plate and copper bar) in power battery module 5, has further improved the integrated efficiency of power battery module 5.

Example six:

the utility model discloses a power battery module 5, as five another kind of preferred modes of above-mentioned embodiment, as shown in figure 1, 2, 3, 4 and 8, should module upper cover buckle 2 includes buckle tapered end 21, buckle bottom plate 22 and buckle pole 23. The buckle lock head 21 is a reverse buckle lock head, and one end of the buckle lock head 21 is connected with the buckle bottom plate 22 through the buckle rod 23. The buckle lock head 21 and the buckle rod 23 penetrate through the first through hole 14 in the battery module cover plate 1, and the other end of the buckle lock head 21 is clamped in the clamping hole of the CCS component 3. The diameter of the snap lock 21 is between the diameter of the groove 31 and the diameter of the notch flange 32 at the top of the CCS block 3, the diameter of the groove 31 being greater than the diameter of the notch flange 32. When the snap lock head 21 is inserted into the accommodating space of the groove 31, the notch position 211 arranged on the back of the side wing of the snap lock head 21 is fixed with the bottom surface of the notch flange 32.

In the embodiment of the present application, the length of the snap bottom plate 22 is greater than the diameter of the first through hole 14, so as to fix the snap bottom plate 22 to the module upper cover 11; the diameter of the buckle lock head 21 is larger than the diameter of the clamping hole in the CCS component 3, so that when the buckle lock head 21 is inserted into the clamping hole in the CCS component 3, the buckle lock head 21 is squeezed by the inner wall of the clamping hole in the CCS component 3, so that the side wing of the buckle lock head 21 deflects towards one side of the buckle rod 23, when the buckle lock head 21 is completely inserted into the clamping hole in the CCS component 3, that is, the buckle lock head 21 is completely inserted into the groove 31, the side wing of the buckle lock head 21 automatically deflects towards one side away from the buckle rod 23 under the elastic action, and in the process of deflection, the notch clamping portion 211 arranged on the back side wing of the buckle lock head 21 is clamped and fixed with the bottom surface of the notch flange 32.

In the embodiment of this application, 2 materials of module upper cover buckle are for can be the plastics material, and the moulding material that PC and macromolecular structure material (like the ABS material) mix and form can be chooseed for use to the material of module upper cover buckle 2, and the preparation is accomplished 2 standard component specification and size precision of module upper cover buckle is high to can extend to other and go in needing the fastening project that this module upper cover buckle 2 is connected, easily promote and reduce this that develops.

Example seven:

the utility model discloses a power battery module 5, as another preferred mode of the above-mentioned sixth embodiment, as shown in fig. 1, 2, 3, 4 and 8, the module upper cover is provided with the concave part 141, should can set up the concave part 141 on the top surface of the battery module apron 1, the concave part 141 can be arbitrary cylindrical, triangular prism, rectangular column and other column structure, the first through-hole 14 is located in the accommodation space of the concave part 141 of the module upper cover 11, and the depth of the concave part 141 is not more than the thickness of the buckle bottom plate 22, so that the buckle bottom plate 22 is hidden in the accommodation space of the concave part 141, when the top surface of the battery module apron 1 has operation, the buckle bottom plate 22 is unlikely to touch and the buckle rod 23 is broken, and then the module upper cover buckle 2 is destroyed, so that the module upper cover 11 is separated from the CCS subassembly 3; in addition, the concave part 141 structure on the top surface of the battery module cover plate 1 makes the accommodating space between the battery module cover plate 1 and the CCS component 3 become large, which is beneficial to the power battery module 5 to arrange other module components between the battery module cover plate 1 and the CCS component 3.

Example eight:

the utility model discloses a power battery module 5, as the seven another kind of preferred mode of above-mentioned embodiment, as shown in figure 1, 2, 3, 4 and 8, should battery module apron 1 extends along whole car wheel base length direction on the apron width direction, the group number that battery module apron 1 extends is according to the length setting of whole car wheel base. As shown in fig. 7, the number of groups that the battery module cover plate 1 expands is 8, and the battery module cover plate can be just matched with the length of the entire vehicle wheelbase, that is, when the actual length of the entire vehicle wheelbase is 7, the power battery module 5 with the same width can be matched according to the width of the battery module cover plate 1, and the number of groups that the battery module cover plate 1 needs to expand can be conveniently matched. Because the module of traditional power battery module 5's model 355, 390 and 590 is 355mm,390mm and 590mm respectively on power battery module 5's length, whole car platform expansibility is poor, and this application also can carry out the platformization according to power battery module 5 and extend in its width direction and extend, can be right according to whole car wheel base size the adaptation is adjusted to power battery module 5's group number, expands through increasing reduction module number and arranges. That is to say, battery module apron 1 can all be based on the size of actual whole car wheel base or 6 accommodation spaces of battery package according to the size of predetermineeing the size along its length direction or width direction and formulate, right 6 accommodation spaces of battery package have carried out standardized design, more are applicable to whole car platform and expand, have also improved simultaneously greatly the time cycle of 6 research and development designs of battery package has practiced thrift the cost of design production and installation.

Example nine:

the utility model discloses a power battery module 5, as another kind of preferred mode of above-mentioned embodiment eight, as shown in figure 1, 2, 3, 4, 5, 6 and 8, this module plug connector 4 is including the jack 41 of being qualified for the next round of competitions that is located horizontal direction's wiring sign one side, the direction of being qualified for the next round of competitions 411 of jack 41 is located the horizontal direction of wiring sign 19 one side, power battery module 5 includes pencil connecting wire 62, pencil connecting wire 62 both ends are provided with the pencil link, and traditional pencil link is in during the wiring in the accommodation space of battery package 6, its module connector direction horizontal direction arranges, need consider the condition in assembly and pencil space of turning round, and have the wiring of turning round, has not only caused the waste of pencil connecting wire 62 like this, has also seriously wasted simultaneously battery module or 6 inside more accommodation spaces of battery package have reduced the electric core density of battery module.

In the embodiment of this application, this application is through at standardized size battery module apron 1 goes up tab 17's bottom level sets up module plug connector 4 makes module plug connector 4's opening direction is on the horizontal direction battery module apron 1 wiring sign 19 one side, the design then can make the distance between the jack 41 of being qualified for the next round of competitions on the plug connector of two power battery modules 5 of the adjacent sign 19 of working a telephone switchboard of homonymy shortest like this to can also pass through under the linear form of walking of level the pencil link will the jack 41 of being qualified for the next round of competitions on the plug connector of two power battery modules 5 links together. The actual occupation space of the wire harness is small, the inserting position of the contact element of the power battery module 5 does not need to reserve the wire harness for turning, the inserting and pulling space is replaced by the arrangement space of the wire harness, and the space utilization rate of the power battery module 5 is higher.

Example ten:

the utility model discloses a third mode, this application provide a battery package 6, as nine another kind of preferred modes of above-mentioned embodiment, as shown in figure 1, 2, 3, 4, 5, 6, 7 and 8, this battery package 6 has the aforesaid power battery module, including the battery package box, be provided with on the battery package box lateral wall and be used for fixing power battery module 5's screw. The outer wall of the battery pack box body is provided with a battery pack box body outer edge 7, the outer edge of the battery pack box body is 7 fixedly connected with the outer wall of the battery pack box body, and the outer edge of the battery pack box body is structurally provided with a clamping port for positioning and fixing the battery pack box body. The battery pack 6 comprises at least one power battery module; the power battery modules are fixedly arranged in the accommodating space of the battery pack box body, and the width direction of the battery modules and the length direction of the battery box body along the axle base of the whole vehicle are arranged. The power battery module includes: and the shell is provided with an accommodating space, and electronic components such as the battery unit, the module plug connector 4, the wiring harness connecting wire 62 and the like are distributed in the accommodating space. And the battery unit is arranged in the accommodating space and comprises at least one battery unit arranged in the length direction of the shell, and the length direction of the battery unit is consistent with that of the power battery module 5. The length direction of the battery pack box body is consistent with the width direction of the battery units, so that the power battery module 5 formed by the battery units can be conveniently extended in a platform-like manner in the width direction. The height direction of the shell is consistent with the height direction of the battery units, so that the power battery module 5 can achieve the consistent number according to the battery units matched in the power battery module 5 when the battery units are assembled, the standardized configuration requirement of each battery module is facilitated, and the battery core accommodating rate of the power battery module 5 is further improved. The width direction of the battery pack box is consistent with the length direction of the battery unit, the length of the battery unit is the power battery module 5 formed by the standardized module upper cover 11, the first end plate 12, the second end plate 13 and the like, and the length and the width direction of the power battery module 5 are consistent with the length and the width direction of the battery unit. The power battery module 5 is constructed by connecting and expanding the module upper cover 11 with a standardized size through the first end plate 12, so that the expansion and extension in the width direction of the battery pack box body are realized, and the expansibility of the power battery module 5 in the platform development of the whole vehicle is further enhanced.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent changes without departing from the technical scope of the present invention.

Claims (11)

1. The utility model provides a power battery module apron which characterized in that includes:

the battery module comprises a module upper cover and a first end plate, wherein the module upper cover is provided with a plurality of pairs of polarity marks, a lug is arranged in the middle of one end of the module upper cover, and the other end of the module upper cover is connected by the first end plate to form a battery module cover plate;

the module upper cover is provided with at least one first through hole for fixing the module upper cover on the battery module;

the width of the module upper cover is consistent with that of the battery module.

2. The power battery module cover plate according to claim 1, wherein at least one upper cover reinforcing strip is arranged in the middle area of the module upper cover, and the length of the upper cover reinforcing strip is consistent with the length direction of the module upper cover.

3. The cover plate for power battery modules according to claim 1 or 2, wherein the end of the cover tab on the module is marked with a polarity mark on one side and a wiring mark on the other side.

4. The power battery module cover plate according to claim 1 or 2, wherein the battery module cover plate extends in the width direction along the length direction of the vehicle wheel base.

5. The cover plate for the power battery module as claimed in claim 1 or 2, wherein one side of the end part of the cover lug on the module is marked with a polarity mark, and the other side is marked with a wiring mark;

the battery module cover plate extends in the width direction along the length direction of the axle base of the whole vehicle.

6. A power battery module having a battery module cover plate formed of the module top cover and the first end plate as set forth in claim 1, comprising:

the module comprises at least one group of power battery module cover plate, a second end plate connected with a module upper cover polarity identification end, a CCS assembly, a module upper cover buckle, a module plug connector and a battery cell unit;

the power battery module comprises an accommodating space, the battery cell unit is arranged between second end plates at two ends of a cover plate of the power battery module and is arranged in the accommodating space of the power battery module below the cover plate of the power battery module;

the first end plate and the second end plate are respectively provided with a second through hole, and the first end plate and the second end plate are fixedly connected with screw holes arranged on the side wall of the battery pack through bolts and the second through holes;

the battery module cover plate is fixedly connected with the CCS component through the module upper cover buckle;

the module plug connector is located the second end plate outside, with the bottom fixed connection of lug on the module upper cover.

7. The power battery module as recited in claim 6, wherein the module top cover latch comprises a latch lock, a latch base plate, and a latch rod;

the buckle lock head is a reverse buckle lock head, and one end of the buckle lock head is connected with the buckle bottom plate through the buckle rod;

the buckle lock head and the buckle rod penetrate through a first through hole in the cover plate of the battery module, and the other end of the buckle lock head is clamped in a clamping hole of the CCS component;

the length of the buckle bottom plate is larger than the diameter of the first through hole;

the diameter of the buckling lock head is larger than that of the buckling hole in the CCS assembly.

8. The power battery module as recited in claim 7, wherein the module top cover is provided with a recess, the first through hole of the battery module cover plate is located in the recess, and the depth of the recess is not greater than the thickness of the snap bottom plate.

9. The power battery module as claimed in claim 6, wherein the battery module cover plate extends in the width direction of the cover plate along the length direction of the wheelbase, and the number of the extended battery module cover plates is set according to the length of the wheelbase.

10. The power battery module as claimed in claim 6, wherein the module plug connector comprises an outlet jack located on one side of the horizontal wiring mark, the power battery module comprises a harness connection line, the two ends of the harness connection line are provided with harness connection ends, and the outlet jacks on the two module plug connectors of the adjacent wiring marks on the same side of the power battery module are connected through the harness connection line.

11. A battery pack is characterized by comprising the power battery module as claimed in claim 6, and a battery pack box body and at least one power battery module, wherein the power battery module is fixed in the battery pack box body;

the power battery module includes:

a housing having an accommodating space;

the battery unit is arranged in the accommodating space and comprises at least one battery unit arranged along the length direction of the shell;

the length direction of the battery pack box body is consistent with the width direction of the battery unit;

the height direction of the housing is consistent with the height direction of the battery unit;

the width direction of the battery pack box body is consistent with the length direction of the battery unit.

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