CN214505629U

CN214505629U - Combined lithium phosphate battery power supply device

Info

Publication number: CN214505629U
Application number: CN202022994171.4U
Authority: CN
Inventors: 刘修建
Original assignee: CRRC Yongji Electric Co Ltd
Current assignee: CRRC Yongji Electric Co Ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-10-26
Anticipated expiration: 2030-12-14

Abstract

The utility model relates to a lithium phosphate battery pack with an electric vehicle as a power source, in particular to a combined lithium phosphate battery power supply device. The technical problems that the existing lithium phosphate battery pack is inconvenient to mount and transport and assemble are solved. A combined lithium phosphate battery power supply device comprises a lithium phosphate battery box framework; the lithium phosphate battery box framework comprises an upper framework and a lower framework, and a plurality of mounting seats for supporting the lithium phosphate battery box are respectively mounted on the inner sides of the frames of the lower framework; the upper frame and the lower frame are connected through a vertical frame, and the upper frame is provided with symmetrically arranged hanging ring screw holes. The application of the combined lithium phosphate battery power supply device promotes the development of rail cars, saves energy, has no pollution and low noise, fundamentally solves the air pollution caused by the tail gas of a diesel engine, and greatly improves the construction environment; still save the utilization space of railcar, design plank top cap as tea table or bed, make things convenient for driver and crew's life and rest, need not purchase tea table and bed in addition, reduce the cost of railcar.

Description

Combined lithium phosphate battery power supply device

Technical Field

The utility model belongs to subway tunnel construction is with pure electric rail car, subway shunting, harbour shunting are with pure electric rail car field relates to the lithium phosphate battery group who makes the power supply for above-mentioned electric motor car, specifically is a modular lithium phosphate battery power supply unit.

Background

At present, the urgent requirement of tunnel constructors for improving the working environment and the serious pollution of the traditional subway rail car to the construction environment are increasingly and obviously contradictory. The method is more important for accelerating the transition of the subway tunnel rail car from the low end to the middle-high end and improving the tunnel construction environment.

With the development of the times, the pure electric rail car is rapidly developed by using the unique advantages of energy conservation, low noise, zero emission, high transmission efficiency, energy feedback and the like, and is applied to the fields of urban traffic, subway tunnel construction, port cargo allocation and transportation and the like.

The pure electric rail car is developed on an urban traffic electric car, and the power of the rail car adopts a lithium phosphate battery pack for urban traffic. The appearance, the installation position, the installation method and the installation environment of the lithium phosphate battery pack are designed by urban traffic vehicles. However, when the method is applied to a rail car, the installation position, the installation method and the installation environment of the rail car are changed. Can be arranged below the frame, inside the frame and inside the vehicle body. Different installation locations require different installation methods and associated lifting equipment.

For solving the problems of installation and hoisting of the lithium battery, a combined lithium phosphate battery power supply device suitable for being installed inside a vehicle body needs to be designed, and the requirements of convenience in hoisting and installation are met.

Prior art relating to the invention

In the prior art, the lithium phosphate battery has an appearance structure as shown in fig. 1:

battery box size box (size 1010X 630X 240 mm)

Battery capacity 240Ah

30kWh of battery capacity

The mass of the battery box is 205 kg-240 kg

One rail car needs 150 to 250 kWh of electricity and 8 to 10 boxes of the battery. The crane is arranged in a manufacturing company, the crane is arranged in a user construction site, and the lifting holes of the lithium battery are not suitable for the two cranes.

In conclusion, the lithium phosphate battery pack is a special battery for the urban traffic vehicle, and has the following defects when being used for installing the inside of the railway vehicle body:

1) the lithium phosphate battery pack box body is large in size and mass, and a crown block and traveling crane equipment are required to be adopted for carrying and mounting;

2) the vehicle body is internally installed, and the lithium phosphate battery pack is required to be stacked, so that the internal space of the vehicle body is saved. The installation framework is not arranged, so that the installation is not suitable for the interior of the vehicle body;

3) the lithium phosphate battery pack box body has small lifting holes and small strength, and is not suitable for the requirements of manufacturing and installing a lifting crown block and lifting equipment;

4) the bottom of the box body of the lithium phosphate battery pack is connected through bolts, and bolts close to the side wall are difficult to fasten.

Disclosure of Invention

The utility model discloses a solve the installation handling that present lithium phosphate group battery exists inconvenient, and assemble inconvenient technical problem, provide a modular lithium phosphate battery power supply unit.

The utility model discloses an adopt following technical scheme to realize: a combined lithium phosphate battery power supply device comprises a lithium phosphate battery box framework; the lithium phosphate battery box framework comprises an upper framework and a lower framework, wherein a plurality of mounting seats for supporting the lithium phosphate battery box are respectively mounted on the inner sides of a pair of opposite frames of the lower framework; the upper frame and the lower frame are connected through a vertical frame, and the upper frame is provided with symmetrically arranged hanging ring screw holes.

The utility model discloses a lithium phosphate battery box skeleton installs lithium phosphate battery box on the mount pad, and the battery box is surrounded by the frame, then installs eyebolt and nut in eyebolt, makes things convenient for the crane or the operation of lifting by crane of driving.

Furthermore, a plurality of lithium phosphate battery box frameworks are stacked and mounted up and down; the four corners of the upper frame of the lithium phosphate battery box framework are provided with vertically arranged pin sleeves, the upper surfaces of the four corners of the lower frame are provided with vertical pin holes, and connecting pins are matched in the pin holes; the vertical frame does not interfere with the pin holes and the connecting pins; the lithium phosphate battery box framework positioned above is connected with the pin bush on the lithium phosphate battery box framework below through the connecting pins at four corners.

The pin bush and the connecting pin are convenient for quick connection of the upper framework and the lower framework, and the pin bush and the connecting pin are positioned at the four corners of the upper framework and the lower framework, so that the position of the pin bush and the connecting pin cannot be limited during installation, such as the position close to the side wall.

Furthermore, four lifting ring screw holes are formed in each lithium phosphate battery box framework, are positioned on the upper surface of the upper frame, are respectively close to the four pin holes and are vertically arranged; and the lifting ring screw holes on the uppermost lithium phosphate battery box framework are all provided with a group of lifting ring screws and nuts.

Further, the outer part of the framework of the lithium phosphate battery box is integrally wrapped with a skin; the skin is connected with the lithium phosphate battery box framework through screws, and a shutter is arranged on the skin; after the whole skin of the lithium phosphate battery box skeleton is covered, a wood plate cover plate is arranged at the top of the lithium phosphate battery box skeleton.

The shutter can dispel the heat, prolongs the life-span of lithium phosphate battery.

The utility model discloses the beneficial effect who brings

1) The production of the combined lithium phosphate battery power supply device promotes the application of the lithium battery pack with reliable performance on the rail car in mass production of urban traffic, reduces the production cost of the rail car and improves the competitiveness of the performance and the market of the rail car.

2) The application of the combined lithium phosphate battery power supply device promotes the development of rail cars, saves energy, has no pollution and low noise, fundamentally solves the air pollution caused by the tail gas of diesel engines, and greatly improves the construction environment.

3) The combined lithium phosphate battery power supply device saves the utilization space of a rail car, is provided with the wood board top cover to be used as a tea table or a bed, is convenient for drivers and passengers to live and have a rest, does not need to purchase the tea table and the bed additionally, and reduces the cost of the rail car.

Drawings

FIG. 1 is a schematic diagram of the external structure of a lithium phosphate battery.

Fig. 2 is a schematic diagram of a main view structure of a framework of a lithium phosphate battery box.

FIG. 3 is a schematic diagram of a top view structure of a lithium phosphate battery box framework.

Fig. 4 is a schematic diagram of an overall front view structure of the combined lithium phosphate battery power supply device.

1-upper frame, 2-lower frame, 3-mounting seat, 4-vertical frame, 5-lifting ring screw, 6-pin sleeve, 7-connecting pin, 8-skin, 9-louver, 10-wood board cover plate, 11-reinforcing rib plate, 12-no skin inside wood floor, 13-lithium phosphate battery box and 14-lifting ring screw hole.

Detailed Description

A combined lithium phosphate battery power supply device comprises a lithium phosphate battery box framework; the lithium phosphate battery box framework comprises an upper framework 1 and a lower framework 2, wherein a plurality of mounting seats 3 for supporting the lithium phosphate battery box are respectively mounted on the inner sides of a pair of opposite frames of the lower framework 2; the upper frame and the lower frame are connected through a vertical frame 4, and the upper frame 1 is provided with symmetrically arranged hanging ring screw holes 14.

The lithium phosphate battery box frameworks are arranged in an up-down overlapping manner; the four corners of the upper frame 1 of the lithium phosphate battery box framework are provided with vertically arranged pin sleeves 6, the upper surfaces of the four corners of the lower frame 2 are provided with vertical pin holes, and connecting pins 7 are matched in the pin holes; the vertical frame 4 does not interfere with the pin holes and the connecting pins 7; the lithium phosphate battery box framework positioned above is connected with the pin bush 6 on the lithium phosphate battery box framework below through the connecting pins 7 at four corners.

As shown in fig. 3, four lifting ring screw holes are formed in each lithium phosphate battery box framework, are located on the upper surface of the upper frame 1, are respectively close to the four pin holes, and are vertically arranged.

And the lifting ring screw holes on the uppermost lithium phosphate battery box framework are all provided with a group of lifting ring screws 5 and nuts.

As shown in FIG. 4, the exterior of the lithium phosphate battery box framework is wholly wrapped by a skin 8. The skin 8 is connected with the lithium phosphate battery box framework through screws, and the skin 8 is provided with a shutter 9.

After the whole skin of the lithium phosphate battery box skeleton is covered, the top of the lithium phosphate battery box skeleton is provided with a wood board cover plate 10.

Six mounting seats are arranged on each lithium phosphate battery box framework, one group of the six mounting seats is three, the six mounting seats are respectively arranged on the inner sides of a pair of long frames of the lower framework 2, and the mounting seats 3 are provided with screw holes for connecting the battery boxes and are used for being stably connected with the battery boxes.

A pair of reinforcing rib plates 11 are connected between the two long frames of the lower frame 2 to enhance the strength of the framework; the short frames of the upper and lower frames are connected with a vertical frame 4, and the long frame center of the upper and lower frames is also connected with a vertical frame 4.

Scheme of the utility model: adopt 5# purchase Q235A, perhaps adopt 4 steel sheet Q235A bent type, a frame of assembly welding, can accomplish lifting by crane, the installation of lithium battery pack case, this frame is convenient for again at automobile body internally mounted, saves space, is convenient for inspect and maintain.

The specific scheme is as follows:

1) according to the structural characteristics of the lithium phosphate battery box, the framework of the lithium phosphate battery box is designed as shown in figures 2, 3 and 4.

2) The lower frame is provided with a mounting seat for fixing the phosphate forest battery pack box, and the phosphate lithium battery box is fixed on the mounting seat.

3) Four corners of the upper frame are provided with pin sleeves, and the lower frame is provided with four pin shafts. If the two frameworks are combined, the pin shaft (connecting pin) on the lower framework of the upper framework is inserted into the pin sleeve of the upper framework of the lower framework. Thus, the two lithium phosphate battery boxes are combined together. The same approach can be combined with bin 3.

4) Lifting eye nuts are designed on the upper frame, each trolley is provided with 4 lifting eye screws, and the lifting eye screws and the lifting eye nuts are screwed up during lifting, so that a crown block or a travelling crane can be used for lifting.

5) The combined integral skin of the framework is connected by screws, and the skin is provided with a shutter, so that heat can be dissipated, the service life of the lithium phosphate battery is prolonged, and the combined integral skin is attractive and elegant.

6) The top of the combined lithium phosphate battery power supply device is provided with a wood board cover plate which can be used as a tea table or a bed. As shown in fig. 4.

7) Lithium phosphate battery box only has three kinds of forms at present, and installation width size is the same, and only length is different, and this skeleton only needs the length size of change mount pad when installing different lithium phosphate battery box just can.

Claims

1. A combined lithium phosphate battery power supply device is characterized by comprising a lithium phosphate battery box framework; the lithium phosphate battery box framework comprises an upper framework (1) and a lower framework (2), wherein a plurality of mounting seats (3) for supporting the lithium phosphate battery box are mounted on the inner side of the frame of the lower framework (2); the upper frame and the lower frame are connected through a vertical frame (4), and the upper frame (1) is provided with symmetrically arranged hanging ring screw holes (14).

2. The combined lithium phosphate battery power supply device of claim 1, wherein the lithium phosphate battery box framework is a plurality of frames which are stacked and mounted one above the other; the four corners of the upper frame (1) of the lithium phosphate battery box framework are provided with vertically arranged pin sleeves (6), the upper surfaces of the four corners of the lower frame (2) are provided with vertical pin holes, and connecting pins (7) are arranged in the pin holes; the vertical frame (4) does not interfere with the pin holes and the connecting pins (7); the lithium phosphate battery box framework positioned above is connected with the pin sleeve (6) on the lithium phosphate battery box framework below through the connecting pins (7) at four corners.

3. The combined lithium phosphate battery power supply device as claimed in claim 2, wherein the number of the lifting ring screw holes (14) on each lithium phosphate battery box framework is four, and the lifting ring screw holes are positioned on the upper surface of the upper frame (1), are respectively close to the four pin holes and are vertically arranged.

4. The combined lithium phosphate battery power supply unit as claimed in claim 3, wherein the lifting eye screw holes on the uppermost lithium phosphate battery box skeleton are provided with a set of lifting eye screws (5) and nuts.

5. The combined lithium phosphate battery power supply device as claimed in any one of claims 1 to 4, wherein a skin (8) is integrally wrapped outside the framework of the lithium phosphate battery box.

6. The combined lithium phosphate battery power supply unit as claimed in claim 5, characterized in that the skin (8) is connected with the framework of the lithium phosphate battery box by screws, and the skin (8) is provided with shutters (9).

7. The combined lithium phosphate battery power supply unit as claimed in claim 6, wherein a wood cover plate (10) is provided on the top of the lithium phosphate battery box framework after being integrally covered with the skin.

8. The combined lithium phosphate battery power supply device as claimed in any one of claims 1 to 4, wherein six mounting seats are provided on each lithium phosphate battery box framework, the mounting seats are respectively mounted on the inner sides of a pair of long frames of the lower frame (2), and screw holes for connecting the battery boxes are provided on the mounting seats (3).

9. The combined lithium phosphate battery power supply device as claimed in claim 7, wherein the number of the mounting seats on each lithium phosphate battery box framework is six, the mounting seats are respectively mounted on the inner sides of a pair of long frames of the lower frame (2), and screw holes for connecting the battery boxes are formed in the mounting seats (3).

10. The combined lithium phosphate battery power supply device according to any one of claims 1 to 4, wherein a pair of reinforcing rib plates (11) are connected between two long frames of the lower frame (2); the short frames of the upper and lower frames are connected with a vertical frame (4), and the long frame center of the upper and lower frames is also connected with a vertical frame (4).