CN211238321U

CN211238321U - Storage battery pack device

Info

Publication number: CN211238321U
Application number: CN201921943690.9U
Authority: CN
Inventors: 张文威; 钟源; 石东山; 林文彪; 严志勇; 唐军; 师蒙招; 许东阳
Original assignee: Zhuzhou CRRC Times Electric Co Ltd
Current assignee: Zhuzhou CRRC Times Electric Co Ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-08-11
Anticipated expiration: 2029-11-12

Abstract

The utility model relates to a battery package device relates to battery technical field, and it is used for improving the joint strength of skeleton and upper cover subassembly and simplifies fixed mode. The storage battery pack device comprises a framework for accommodating the storage battery pack and an upper cover assembly connected with the framework, and a bending part is arranged on the bending vertical beam, so that the process of welding a connecting sheet is avoided, and the processing and fixing modes are simplified; and the bending part and the bending vertical beam are integrally formed in a metal plate bending mode, so that the connection between the bending part and the upper cover assembly is more reliable, namely the connection strength between the bending part and the upper cover assembly is enhanced.

Description

Storage battery pack device

Technical Field

The utility model relates to a battery technical field relates to a battery package device especially.

Background

The accumulator is a power supply and energy storage device, which is mainly used as a power supply, a starting power supply and a standby power supply on a passenger train and plays an important role in the safe operation of the passenger train. The storage battery pack is used for bearing and fixing the storage battery pack, and the storage battery is protected from vibration, foreign object collision, heat dissipation and the like. The accumulator of passenger train still has not made a substantial progress, continue to use lead-acid battery and cadmium-nickel alkaline battery, the heavy metal that this accumulator contains can bring very big harm to the environment, produce a large amount of heavy metal lead, cadmium plasma in the course of production, use and destroying the accumulator, this heavy metal ion not only seriously destroys the ecological environment, and can get into the human body through water, air and food, lead to the deterioration of human health condition. It is necessary to find an alternative cadmium nickel alkaline storage battery.

At present, batteries used by hybrid electric vehicles and pure electric vehicles are mainly nickel-hydrogen batteries, lithium iron phosphate batteries, lithium titanate batteries, ternary lithium batteries and the like, and because the shapes and interfaces of the batteries are different, a storage battery pack device is required to hold the batteries.

As shown in fig. 1a and 1b, a battery module fixing frame 1 ' is provided in the conventional battery pack, but a vertical beam thereof is provided with a connecting piece 7 ' by welding, and an upper cover 2 ' is fixed to the vertical beam by the connecting piece, so that the fixing manner is complicated, and the connecting pieces 7 ' are not directly connected to each other, and thus the connection strength between the vertical beam and the upper cover 2 ' is weak.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned whole or partial problem, the utility model provides a battery package device, its joint strength who is used for improving skeleton and upper cover subassembly simplifies fixed mode.

The utility model provides a battery package device, including being used for holding the skeleton of battery package and with the upper cover subassembly that the skeleton links to each other, the skeleton is including bending and erecting the roof beam, bend and erect the roof beam and have towards keeping away from the portion of bending that the direction of battery was bent, the upper cover subassembly passes through bend the portion with bend and erect roof beam fixed connection.

In one embodiment, the upper cover assembly comprises a top wall and side walls respectively arranged on two sides of the top wall, the top wall is arranged above the framework, the side walls are respectively arranged on two sides of the framework and fixedly connected with the bent vertical beams, and two ends of each side wall are respectively provided with positioning parts which are turned outwards.

In one embodiment, heat dissipation apertures are provided in both the top wall and the side walls.

In one embodiment, the frame is provided with a handle in a hinged manner, and a locking piece is arranged at the position where the handle is hinged with the frame.

In one embodiment, the locking member is a spring ball.

In one embodiment, the handle is provided with a rubber grip.

In one embodiment, the storage battery further comprises a front cover plate arranged on the front side of the framework, wherein an external terminal is arranged on the front cover plate, and a connecting plate connected with the storage battery is arranged on the external terminal.

In one embodiment, the front cover plate is provided with a first opening and a second opening respectively, the first opening is used for enabling the connecting plate to pass through the front cover plate and then be connected with the storage battery, and the second opening is used for leading out a collecting wire of the storage battery.

In one embodiment, the automobile frame further comprises a rear cover plate arranged on the rear side of the frame, and the front cover plate and the rear cover plate are both provided with installation parts for installing fasteners.

In one embodiment, the framework further comprises a bottom plate connected to the bottom of the bent vertical beam, and the bottom plate is provided with a heat dissipation groove or a heat dissipation hole.

Compared with the prior art, the utility model has the advantages of: the bending part is arranged on the bending vertical beam, so that the process of welding the connecting sheet is avoided, and the processing and fixing modes are simplified; and the bending part and the bending vertical beam are integrally formed in a metal plate bending mode, so that the connection between the bending part and the upper cover assembly is more reliable, namely the connection strength between the bending part and the upper cover assembly is enhanced.

Drawings

The present invention will be described in more detail hereinafter based on embodiments and with reference to the accompanying drawings.

FIGS. 1 a-1 g are schematic diagrams of a prior art battery pack apparatus;

fig. 2 is a schematic perspective view of a battery pack apparatus according to an embodiment of the present invention;

fig. 3 is an exploded view of a battery pack assembly in an embodiment of the invention;

FIG. 4 is a schematic perspective view of the skeletal frame of FIG. 1;

FIG. 5 is a perspective view of the handle shown in FIG. 1;

FIG. 6 is a perspective view of the lid assembly shown in FIG. 1;

FIG. 7 is a perspective view of the front cover shown in FIG. 1;

fig. 8 is a perspective view of the rear cover shown in fig. 1.

Description of the drawings:

1' -fixing frame of battery module; 2' -an upper cover; 3' -a front end cap; 4' -rear end cap; 5' -outlet box; 6-' handle; 7' -

1-a framework; 11-bending the vertical beam; 12-bending part; 13-a base plate; 131-a heat sink; 4-middle vertical beam; 15-a cross beam;

2-an upper cover assembly; 21-a top wall; 22-a side wall; 221-a positioning section; 23-heat dissipation holes;

3-a handle; 31-a grip portion;

4-front cover plate; 41-external connection terminal; 42-a connecting plate; 43-first opening; 44-a second opening; 45-a first mounting portion;

5-a rear cover plate; 51-a second mounting portion;

6-rear support plate.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 2-3, the utility model provides a battery package device, including skeleton 1 that is used for holding the battery package and upper cover subassembly 2 that links to each other with skeleton 1, as shown in fig. 4, skeleton 1 is including bending perpendicular roof beam 11, and the perpendicular roof beam 11 of bending has the portion of bending 12 of bending towards the direction of keeping away from the battery, and upper cover subassembly 2 is through the portion of bending 12 and the perpendicular roof beam 11 fixed connection of bending.

As shown in fig. 1a and 1b, although a battery module fixing frame 1 ' is also provided in the conventional battery pack, a connecting piece 7 ' is provided to a vertical beam by welding, and an upper cover 2 ' is fixed to the vertical beam by the connecting piece, so that the fixing method is complicated, and the connecting pieces 7 ' are not directly connected to each other, and thus the connecting strength between the vertical beam and the upper cover 2 ' is weak. Compared with the existing storage battery pack device, the utility model discloses a storage battery pack device is through setting up the portion 12 of bending on bending to erect roof beam 11 to avoided welded connection piece's process, and this portion 12 of bending and the mode that bends of bending to erect roof beam 11 and be through the panel beating form an organic whole, consequently the portion 12 of bending is more reliable with being connected between the upper cover subassembly 2, has strengthened the joint strength between the two.

Further, the framework 1 further comprises a bottom plate 13 connected to the bottom of the bent vertical beam 11, and the bottom plate 13 is provided with a heat dissipation groove 131 or a heat dissipation hole for dissipating heat inside the storage battery. The framework 1 further comprises at least one intermediate vertical beam 14 arranged between the bent vertical beams 11, wherein the intermediate vertical beam 14 is U-shaped or L-shaped. It should be noted that the back of the central vertical beam 14 is in contact with the battery to avoid the tip of the central vertical beam 14 from cutting the battery. In addition, the framework 1 further comprises a cross beam 15 vertically connected to the upper end of the bent vertical beam 11, and the cross beam 15 is used for improving the strength.

Compared with the existing storage battery pack device, the utility model discloses a structure overall design of skeleton 1 of storage battery pack device is simple, and processing and welding are convenient.

As shown in fig. 6, the upper cover assembly 2 includes a top wall 21 and side walls 22 respectively provided at both sides of the top wall 21, and the top wall 21 and the side walls 22 are fixed by welding. The top wall 21 is arranged above the framework 1, the side walls 22 are respectively arranged at two sides of the framework 1 and fixedly connected with the bent vertical beams 11, and the two ends of the side walls 22 are respectively provided with positioning parts 221 which are turned outwards.

The side walls 22 on the two sides of the top portion 21 are respectively arranged between the two bent vertical beams 11 and are respectively fixedly connected with the bent vertical beams 11 in a bolt connection mode, and the positioning portions 221 on the side walls 22 are attached to the inner sides of the bent vertical beams 11 and used for positioning the side walls 22 between the two bent vertical beams 11 so as to install bolts.

Further, heat dissipation holes 23 are formed in the top wall 21 and the side wall 22, so that heat dissipation performance of the storage battery during high-power operation is improved. Note that the heat radiation holes 23 in the ceiling wall 21 cannot be blocked.

As shown in fig. 1d, the upper cover 2' in the existing battery pack adopts a form of sheet metal bending and welding, a steel pipe is welded after bending, then a hole is drilled in the center of the steel pipe, the hole diameter is smaller than the diameter of the steel pipe, the processing technology is complex, the precision requirement is high, and the cost is high. Compared with the existing storage battery pack device, the utility model discloses a storage battery pack device, the lateral wall 22 of roof 21 both sides is in the same place through welded connection, can conveniently process and reduce cost.

The frame 1 is provided with the handle 3 in a hinged manner, the handle rotates 90 degrees, and the handle can rotate to the vertical direction from the horizontal direction, so that the carrying is facilitated. As shown in fig. 5, the handle 3 is provided with a rubber grip 31 to cushion the hand of the operator to avoid injury to the hand of the operator.

The part of the handle 3 hinged with the framework 1 is provided with a locking piece. Wherein, the locking piece is the spring ball, and it has certain intensity, consequently has certain locking function when vibration test to make handle 3 can lock on skeleton 1, so that pass through vibration test smoothly.

As shown in fig. 1c, the handle 6 'is also provided in the conventional battery pack, but the handle 6' is fixed to the frame by a bayonet fixing method. The side of the handle 6 'is provided with a metal strip for lifting the handle, thus increasing the weight of the handle 6'. Due to the fact that the handle 6 'is heavy, the bolt for fixing the handle 6' can be loosened, the handle 6 'is not provided with any protection device, and when an operator carries the handle, the metal strip on the handle 6' is not convenient to grasp and can cause certain injury to hands.

Compared with the existing storage battery pack device, the utility model discloses a handle 3 of storage battery pack device does not set up unnecessary metal strip, but locks handle 3 through the spring ball to alleviate the weight of handle 3, and can pass through vibration test smoothly. And the rubber gripping part 31 is arranged on the handle 3, so that the hands of the operator can be prevented from being injured.

Furthermore, the utility model discloses a battery package device is still including setting up front shroud 4 at 1 front side of skeleton, and front shroud 4's front side is the outlet box, is provided with external terminal 41 on the outlet box, is provided with the connecting plate 42 that links to each other with the battery on the external terminal 41, and connecting plate 42 is provided with two, links to each other with the positive bus and the negative bus of battery respectively. Wherein, the connecting plate 42 is a copper plate.

Further, as shown in fig. 7, the front cover plate 4 is provided with a first opening 43 and a second opening 44, respectively, the first opening 43 is used for connecting the connecting plate 42 with the storage battery after passing through the front cover plate 4, and the second opening 44 is used for leading out a collecting line of the storage battery.

The first opening 43 and the second opening 44 may be rectangular as shown in the drawings, and may be of course be in other shapes, which is not described in detail herein. The structural space can be adjusted, and the first opening 43 and the second opening 44 are designed with large margins, so that the product modification is convenient and simple.

As shown in fig. 1e, the structure of the outlet box 5' in the conventional battery pack is too complex, the positive bus and the negative bus led out from the battery pack are respectively connected with two poles, and the movable cover plate is arranged on the upper surface of the outlet box, and the outlet box can fall off after a severe vibration test.

Compared with the existing storage battery pack device, the utility model discloses a storage battery pack device not only can reduce the energy loss when the wire changes through with copper tablet snap-on external terminal 41 to avoid the cantilever structure of current outlet box, be favorable to the conduction of power, still can improve the reliability of product in addition, and easy follow-up maintenance, consequently can be extensive use in the locomotive traction system.

Further, the utility model discloses a battery package device is still including setting up back shroud 5 at skeleton 2 rear side, is provided with the first installation department 45 that is used for installing the fastener on front shroud 4, as shown in fig. 8, is provided with the second installation department 51 that is used for installing the fastener on back shroud 5.

As shown in fig. 1f and 1g, a front cover plate 3 'and a rear cover plate 4' in the conventional storage battery packaging device both adopt a form of welding steel pipes after bending, and then are connected to a framework through bolts. Compared with the existing storage battery pack device, the utility model discloses a storage battery pack device all adopts the mode of panel beating reverse bending in order to form the installation department, and this installation department can provide certain space for the installation of fastener to be convenient for install and maintain, can be applicable to the track traffic trade.

Further, the front cover plate 4 and the rear cover plate 5 can also prevent the battery from running back and forth.

A rear supporting plate 6 is also arranged between the rear cover plate 5 and the framework 1.

While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims

1. The storage battery pack device is characterized by comprising a framework and an upper cover assembly, wherein the framework is used for containing the storage battery pack, the upper cover assembly is connected with the framework, the framework comprises a bent vertical beam, the bent vertical beam is provided with a bent part bent towards the direction far away from the storage battery, and the upper cover assembly is fixedly connected with the bent vertical beam through the bent part.

2. The battery pack device according to claim 1, wherein the upper cover assembly includes a top wall and side walls respectively disposed at two sides of the top wall, the top wall is disposed above the frame, the side walls are respectively disposed at two sides of the frame and fixedly connected to the bent vertical beams, and two ends of the side walls are respectively provided with positioning portions that are folded outwards.

3. The battery pack apparatus of claim 2, wherein heat dissipation apertures are provided in both the top wall and the side walls.

4. The battery pack apparatus according to any one of claims 1 to 3, wherein a handle is hingedly provided on the frame, and a locking member is provided at a portion where the handle is hingedly connected to the frame.

5. The battery pack apparatus of claim 4, wherein the locking member is a spring ball.

6. The battery pack apparatus of claim 4, wherein the handle is provided with a rubber grip.

7. The battery pack apparatus according to any one of claims 1 to 3, further comprising a front cover plate provided on a front side of the frame, wherein the front cover plate is provided with an external terminal, and the external terminal is provided with a connection plate connected to the battery.

8. The battery pack apparatus according to claim 7, wherein the front cover is provided with a first opening and a second opening, respectively, the first opening is used for connecting the connecting plate with the battery after passing through the front cover, and the second opening is used for leading out a collecting wire of the battery.

9. The battery pack apparatus according to claim 7, further comprising a rear cover plate provided at a rear side of the frame, wherein mounting portions for mounting fasteners are provided on both the front cover plate and the rear cover plate.

10. The battery pack apparatus according to any one of claims 1 to 3, wherein the frame further comprises a bottom plate connected to the bottom of the bent vertical beam, and the bottom plate is provided with heat dissipation grooves or heat dissipation holes.