CN111319440A

CN111319440A - Passenger car and battery protection structure thereof

Info

Publication number: CN111319440A
Application number: CN201811536476.1A
Authority: CN
Inventors: 王同祥; 牛晓耕; 黄伟东; 左丽丽
Original assignee: Zhengzhou Yutong Bus Co Ltd
Current assignee: Zhengzhou Yutong Bus Co Ltd
Priority date: 2018-12-14
Filing date: 2018-12-14
Publication date: 2020-06-23

Abstract

The invention relates to a passenger car and a battery protection structure thereof, wherein the battery protection structure comprises decoration components arranged at the left and right side edges of the upper end surface of a top cover of the passenger car and a protection top plate fixedly connected with the top cover or the decoration components and arranged at intervals with the top cover in the vertical direction, two oppositely arranged decoration components are blocked at the two sides of the width direction of the protection top plate to form an installation space for installing batteries between the decoration components and the protection top plate, the installation space is greatly increased in the width direction of the passenger car, and the corresponding batteries can be installed in the installation space in a more proper arrangement mode. The usable space in top of passenger train increases, can make full use of the space on the top cap, and the structure is fairly simple, and subsequent maintenance is all fairly convenient moreover.

Description

Passenger car and battery protection structure thereof

Technical Field

The invention relates to the field of arrangement or installation of an electric power device, in particular to a battery protection structure and a passenger car using the battery protection structure.

Background

At present, to pure electric low floor on the market, low entry bus, as shown in fig. 1 and fig. 2, top cap 2 has on the automobile body 1, power battery 4, top wind window 6, top accessories such as overhead air conditioner 7 all arrange on

top cap

2, 2 up end of top cap of passenger train border department all are equipped with decoration assembly 3 all around, decoration assembly 3 is including erectting the decorative board of arranging and the linking bridge of connecting decorative board and top cap, the primary function of decorative board is can shelter from the top annex of passenger train, the people can't observe the top annex of roof in certain distance apart from the passenger train. Generally, the power battery is provided with a special battery cover 5, the battery cover 5 is covered above the power battery 4 and fixedly connected with the top cover 2, a certain distance is reserved between the battery cover 5 and the decoration component 3, and the arrangement form of the decoration component 3 causes the installation, the overhaul and the maintenance of the battery to be inconvenient. And because of there is corresponding national standard requirement passenger train width, power battery has energy density and wiring space requirement, and the battery cover occupies the ascending certain space of car width direction, leads to mainstream battery box length direction can only follow the fore-and-aft direction of passenger train, and the battery occupies very big space in the fore-and-aft direction, leads to arranging of other top annex too compact, and the space ratio is more antagonistic, overhauls and maintains inconveniently, and space utilization on the top cap is low.

Disclosure of Invention

The invention aims to provide a battery protection structure, which aims to solve the problems that the space utilization rate above a top cover is low and the assembly and maintenance are inconvenient because a battery cover needs to avoid the position of a decorating part in the prior art; the invention also aims to provide a passenger car using the battery protection structure.

In order to achieve the purpose, the technical scheme of the battery protection structure is as follows:

the battery protection structure comprises decoration components arranged at the edges of the left side and the right side of the upper end face of a top cover of a passenger car, and further comprises a protection top plate which is fixedly connected with the top cover or the decoration components and is arranged at intervals on the upper direction and the lower direction of the top cover, and the two opposite decoration components are arranged at the positions of the two sides of the width direction of the protection top plate and form an installation space for installing a battery between the decoration components and the protection top plate.

The beneficial effects are that: compared with the prior art, the battery protection structure has the advantages that the protection top plate fixedly connected with the decoration components or the top cover is arranged on the top cover of the passenger car, the decoration components are arranged on the left side and the right side of the protection top plate in a blocking mode, the installation space for installing the batteries is formed among the decoration components, the protection top plate and the top cover, namely the corresponding side wall of the protection top plate is not arranged between the decoration plates, the installation space can be uniformly distributed between the two decoration components which are arranged respectively, the installation space is increased a lot in the width direction of the passenger car, and the corresponding batteries can be installed in the installation space in a more proper arrangement mode. The usable space in top of passenger train increases, can make full use of the space on the top cap, and the structure is fairly simple, and subsequent maintenance is all fairly convenient moreover.

Furthermore, in order to realize the assembly of the protection top plate and the top cover and simultaneously facilitate subsequent maintenance operation, the protection top plate is fixedly connected with the top cover, and the protection top plate is connected with a connecting structure which is detachably connected with the top cover.

Furthermore, in order to facilitate the detachable connection of the top cover and the protective top plate, the connecting structure is a supporting stud supported at the lower part of the protective top plate and used for realizing relative fixation with the top cover in a threaded fit manner.

Further, in order to guarantee the structural stability of the decoration assembly, the decoration assembly comprises a decoration plate and a connecting support, wherein the decoration plate is used for being vertically arranged at the edges of the left side and the right side of the upper end face of the top cover, and the connecting support is arranged on the inner side of the decoration plate and is used for being fixedly connected with the top cover.

Furthermore, in order to realize the maintenance of the battery in the installation space, an access door is arranged at the position of the decorative plate corresponding to the installation space, and the access door is a turnover door which is hinged on the connecting bracket and can be turned over up and down.

Furthermore, in order to avoid abnormal sound when the access door is closed, a buffer rubber sheet matched with the connecting support is attached to the inner wall surface of the access door.

Further, in order to realize the front side protection of the battery, a front protection plate which extends forwards and inclines towards the top cover is connected to the front side edge of the protection top plate.

Further, in order to realize the rear side protection to the battery, the rear side edge department of protection roof is connected with the back protection board that extends backward and incline towards the top cap.

The technical scheme of the passenger car is as follows:

the passenger train includes the automobile body and sets up the top cap on the automobile body, is equipped with battery protection structure on the top cap, and battery protection structure is including setting up the decoration subassembly in the top cap up end left and right sides border department of passenger train, still include with top cap or decorate subassembly fixed connection and with the top cap in the upper and lower direction interval set up the protection roof, the double-phase decoration subassembly that sets up keeps off in the width direction's of protection roof both sides position department and forms the installation space who is used for installing the battery between decoration subassembly and protection roof.

The beneficial effects are that: according to the passenger car, the battery protection structure is arranged on the passenger car, the protection top plate fixedly connected with the decoration components or the top cover is arranged on the top cover of the passenger car, the decoration components are arranged on the left side and the right side of the protection top plate in a blocking mode, the installation space for installing the batteries is formed among the decoration components, the protection top plate and the top cover, namely the corresponding side wall of the protection top plate is not arranged between the decoration plates, the space between the two respectively arranged decoration components can be uniformly distributed into the installation space, the installation space is greatly increased in the width direction of the passenger car, and the corresponding batteries can be installed in the installation space in a more proper arrangement mode. The usable space in top of passenger train increases, can make full use of the space on the top cap, and the structure is fairly simple, and subsequent maintenance is all fairly convenient moreover.

Drawings

FIG. 1 is a schematic illustration of a passenger vehicle according to the prior art;

FIG. 2 is a left side cross-sectional view of FIG. 1;

FIG. 3 is a schematic illustration of the construction of a particular embodiment of a passenger vehicle of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a left side cross-sectional view of FIG. 3;

description of reference numerals: 1-a vehicle body; 2-a top cover; 3-a decorative component; 4-a power battery; 5-a battery cover; 6-a top wind window; 7-overhead air-conditioning; 8-a protective shell; 9-support studs; 10-an installation space; 31-a decorative plate; 32-a connecting bracket; 33-an access door; 34-a latch structure; 35-fixing rubber; 81-protective top plate; 82-front protection plate; 83-rear protective board.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

As shown in fig. 3 to 4, the passenger car of the present invention is an overhead power battery passenger car, and includes a car body 1 and a top cover 2 disposed on the top of the car body 1, wherein the top cover 2 is provided with a power battery 4, a decoration assembly 3, and a protective casing 8 for protecting the power battery 4, and the decoration assembly 3 and the protective casing 8 form a battery protection structure for protecting the battery from the outside. The top accessories on the top cover 2 are typically power batteries 4, overhead windows, air conditioners, etc., and overhead gas cylinders are typically provided on other types of passenger vehicles. The power battery is of a cuboid structure.

Defining the advancing direction of the vehicle body 1 as the front, as shown in fig. 5, the left and right side edges of the upper end surface of the top cover 2 are surrounded by decorative plates 31, the decorative plates 31 are vertically fixed on the top cover 2, specifically, a connecting bracket 32 is fixed on the inner side of the decorative plate 31 on the top cover 2, and a connecting portion is arranged on the inner side surface of the decorative plate 31, and the decorative plate 31 can be fixed on the connecting bracket 32 by the bolt connection between the connecting hole of the connecting portion and the connecting bracket 32, in this embodiment, there are a plurality of connecting brackets 32, which are fixed on the top cover 2 side by side at intervals in the front-rear direction, and the decorative plate 31 is fixed on the top cover 2 by the action of. The decorative plate 31 and the connecting bracket 32 form the decorative component 3 for protecting the periphery of the top cover 2, and the decorative component 3 is mainly arranged for shielding the top accessories, so that all the related accessories on the top cover 2 cannot be seen when people stand on the ground within 3 meters of the vehicle. Of course, in other embodiments, the connecting bracket may not be provided, but the decorative plate may be fixed to the top cover by other fixing connection methods, for example, the bracket processes a folded edge at the bottom of the decorative plate, and the folded edge and the top cover are connected by a bolt or welded to finally fix the decorative assembly to the top cover.

The protective housing 8 includes a protective top plate 81 fixedly connected with the top cover 2, as shown in fig. 4, the protective top plate 81 and the top cover 2 are arranged at an interval in the up-down direction, the protective housing 8 further includes a front protection plate 82 connected at a front side edge of the protective top plate 81 and extending forward and inclining toward the top cover 2, and a rear protection plate 83 connected at a rear side edge of the protective top plate 81 and extending backward and inclining toward the top cover 2, the power battery 4 is installed on the top cover 2, and the protective housing 8 is covered above the power battery 4 through the arrangement form of the protective top plate 81, the front protection plate 82 and the rear protection plate 83. In other embodiments, if the sun protection function is realized, only the protective top plate can be arranged to realize protection; the front protection plate can be connected to the front side of the protection top plate, and the rear side of the protection top plate is open.

The corresponding two oppositely disposed decorative plates 31 are stopped at both widthwise side positions of the guard top plate 81 to form an installation space 10 for installing the power battery 4 between the decorative plates 31 and the guard casing 8. Through decorating subassembly 3, the protection to power battery 4 has been realized to arranging of protective housing 8 and top cap 2, in this embodiment, protective housing 8 has got rid of the cover wall of the width direction both sides of the protection casing among the prior art, and realize through decorative board 31 with protective housing 8's integration, in actual installation, the battery cover that originally has removed corresponding cover wall and has made power battery 4's mounted position obtain the release at the width direction of top cap 2, power battery 4 can the direct mount in the position department between two decorative boards 31, satisfy the maximum space that can install on top cap 2 at power battery 4. The structural style can realize the arrangement mode that the power battery 4 is transversely arranged on the top cover 2 by the long edge, the mounting space 10 is utilized as much as possible, the space on the top cover 2 except the mounting space 10 is increased, the space for mounting other accessories on the top cover 2 can be increased, the available space at the top is increased, the space on the top cover 2 can be fully utilized, and the reasonable utilization rate of the space at the upper part of the top cover 2 is ensured. The structure is simpler, and the subsequent maintenance is more convenient.

Certainly, the installation space 10 formed by the relative arrangement between the protective shell 8 and the decorative plate 31 in the embodiment is not spliced and surrounded, the external protection of the power battery 4 is basically realized through the protective shell 8 and the decorative plate 31, external sundries and the like are prevented from entering the installation space 10 to damage the power battery 4, and the sun protection and basic rain protection functions of the power battery 4 can also be realized. In other embodiments, of course, a seal may be disposed between the protective casing and the decorative plate to achieve a fully-enclosed protection of the power battery, and specifically, a sealing strip may be clamped between the decorative plate and the protective casing to achieve the fully-enclosed protection of the power battery.

In this embodiment, the protection housing 8 is fixed to the top cover 2, specifically, the protection top plate 81 is provided with the support studs 9 extending up and down, as shown in fig. 4 and 5, the upper ends of the support studs 9 are fixedly connected to the protection top plate 81 through nuts, and the lower ends of the support studs 9 are fixedly connected to the top cover 2 through nuts. Of course, in other embodiments, the protective shell and the top cover can be directly connected in a non-detachable mode through welding or connected in a detachable mode through riveting. The connection form of the protective shell and the top cover is not specifically limited, and the protective shell can be stably fixed on the top cover 2 and can protect the power battery. Of course, in other embodiments, the protective housing may also be directly fixedly connected to the connecting bracket.

Further, an access door 33 is provided at a position on the decorative plate 31 corresponding to the width direction of the installation space 10, as shown in fig. 4 and 5, so that the power battery 4 can be conveniently accessed. Concrete structure is as shown in the figure, and border department all is equipped with linking bridge 32 around corresponding access door 33, and access door 33 articulates on corresponding linking bridge 32, is equipped with the articulated shaft that extends around on the concrete linking bridge 32, and access door 33 connects on the articulated shaft and realizes overturning from top to bottom and open and close. Meanwhile, a latch structure 34 is arranged between the access door 33 and the connecting support 32, after the access door 33 is closed, the latch structure 34 is automatically locked, the latch structure 34 can be unlocked by rotating the latch structure 34 through a key, and the access door 33 is opened. The specific form of the latch structure 34 is identical to that of the latch structure 34 of the prior art and will not be described in detail. Certainly in this embodiment, because access door 33 and linking bridge 32 are the metal material, in order to prevent to have abnormal sound when access door 33 closes and linking bridge 32 collision, there is fixed rubber 35 through the fix with rivet in the position department that corresponds linking bridge 32 on the medial surface of access door 33, fixed rubber 35 can avoid the appearance of abnormal sound with linking bridge 32 cooperation when access door 33 closes. The arrangement of the access door 33 facilitates the overhaul and maintenance of the power battery 4, reduces the weight of the whole vehicle, reduces the labor intensity and the complexity of the process operation, and improves the competitiveness of the whole vehicle. Of course, in other embodiments, the access door may also be in the form of a side-opening door structure; the access door can also be directly hinged on the decorative plate at the adjacent side without specific limitation.

In the actual assembly process of the passenger car, the power battery 4 is transversely installed on the top cover 2, the protective shell 8 is covered above the power battery 4, the protective shell 8 is fixedly connected with the top cover 2, and the protective shell and the corresponding decorative plate 31 relatively enclose the installation space 10. The protective shell 8 is organically combined with the left and right decorative plates 31 of the top cover 2, and the attractiveness is greatly improved.

In the embodiment of the battery protection structure according to the present invention, the structure of the battery protection structure is the same as that of the battery protection structure in the above-described embodiment of the passenger car, and therefore, the detailed development is omitted.

Claims

1. Battery protective structure, its characterized in that: including being used for setting up the decoration subassembly in the top cap up end left and right sides border department of passenger train, still including be used for with top cap or decoration subassembly fixed connection and with the top cap in the protection roof that the interval set up in the upper and lower direction, the decoration subassembly of double-phase relative setting keeps off in the width direction's of protection roof both sides position department and forms the installation space who is used for installing the battery between decoration subassembly and protection roof.

2. The battery protection structure of claim 1, wherein: the protective top plate is fixedly connected with the top cover, and the protective top plate is connected with a connecting structure which is detachably connected with the top cover.

3. The battery protection structure of claim 2, wherein: the connecting structure is a supporting stud supported at the lower part of the protective top plate and used for realizing relative fixation through being matched with the top cover in a threaded manner.

4. The battery protection structure according to any one of claims 1 to 3, wherein: the decoration assembly comprises a decoration plate and a connecting support, wherein the decoration plate is used for being vertically arranged at the edges of the left side and the right side of the upper end face of the top cover, and the connecting support is arranged on the inner side of the decoration plate and is used for being fixedly connected with the top cover.

5. The battery protection structure of claim 4, wherein: and an access door is arranged at the position of the decorative plate corresponding to the mounting space, and the access door is a turnover door which is hinged on the connecting bracket and can be turned over up and down.

6. The battery protection structure of claim 5, wherein: and a buffer rubber sheet matched with the connecting support is attached to the inner wall surface of the access door.

7. The battery protection structure according to any one of claims 1 to 3, wherein: the front side edge of the protective top plate is connected with a front protective plate which extends forwards and inclines towards the top cover.

8. The battery protection structure of claim 7, wherein: the rear side edge of the protective top plate is connected with a rear protective plate which extends backwards and inclines towards the top cover.

9. The passenger train, including the automobile body and the top cap of setting on the automobile body, be equipped with battery protective structure on the top cap, its characterized in that: the battery protection structure is as claimed in any one of claims 1 to 8.