CN211468177U - Power battery assembly of electric automobile and electric automobile - Google Patents

Abstract

A power battery assembly of an electric vehicle and an electric vehicle, the power battery assembly of the electric vehicle includes: a fuel cell assembly, the fuel cell assembly includes: a gas storage tank; and a fuel cell reactor, the fuel cell reactor is suitable for receiving the storage The hydrogen gas delivered by the gas tank is used to generate electric energy; the rechargeable battery assembly includes a rechargeable battery and a charger, and the charger is suitable for charging the rechargeable battery; wherein, the fuel cell reactor is located in the rechargeable battery on one side, the charger is located on the other side of the rechargeable battery. The relative positions of the fuel cell reactor, the rechargeable battery and the charger are reasonably arranged, and the space of the vehicle chassis can be efficiently utilized.

Description

Power battery components for electric vehicles and electric vehicles

technical field

The utility model relates to the technical field of automobile manufacturing, in particular to a power battery assembly of an electric automobile and an electric automobile.

Background technique

Traditional internal combustion engine vehicles mainly use traditional energy sources such as gasoline, diesel, and natural gas as the main fuel. During the refining process of petroleum, a large amount of energy is consumed and a large amount of harmful substances are emitted. At the same time, the emission of internal combustion engine vehicles has an increasing impact on the environment. . As a result, people develop new energy vehicles to replace traditional internal combustion engine vehicles. New energy vehicles refer to vehicles that use unconventional vehicle fuels as power sources, and have the advantages of energy saving and environmental protection.

New energy vehicles include pure electric vehicles and fuel cell vehicles. Among them, pure electric vehicles rely on rechargeable batteries to store energy, and the rechargeable batteries provide power supply to drive the vehicle during driving, which can achieve zero emissions during driving, but has the disadvantage of short cruising range. Fuel cell vehicles usually use the chemical energy generated by the hydrogen reaction to convert mechanical energy to propel the vehicle forward. Fuel cell vehicles have high energy conversion efficiency, no noise, and no pollutant discharge, which can effectively reduce the air pollution problem caused by traditional gasoline vehicles.

Utility model content

The utility model provides a power battery assembly of an electric vehicle and an electric vehicle, which can reasonably arrange the relative positions of a fuel cell reactor, a rechargeable battery and a charger in a limited carrying space, thereby effectively utilizing the space of the vehicle chassis.

The utility model provides a power battery assembly for an electric vehicle, comprising: a fuel cell assembly, the fuel cell assembly includes: a gas storage tank; and a fuel cell reactor, the fuel cell reactor is suitable for receiving the hydrogen transported by the gas storage tank a rechargeable battery assembly, the rechargeable battery assembly includes a rechargeable battery and a charger, the charger is suitable for charging the rechargeable battery; wherein, the fuel cell reactor is located on one side of the rechargeable battery, so The charger is located on the other side of the rechargeable battery.

Optionally, the fuel cell reactor is arranged on a side opposite to the driver's seat in the width direction of the electric vehicle.

Optionally, one side of the fuel cell reactor is close to the head of the electric vehicle, and the rechargeable battery is located on the other side of the fuel cell reactor away from the head of the electric vehicle.

Optionally, the fuel cell assembly further includes: a plurality of sets of pipes, the pipes are suitable for connecting the fuel cell reactor and the gas storage tank.

Optionally, the number of the gas storage tanks is multiple, and the multiple gas storage tanks are connected.

Optionally, at least two of the plurality of air storage tanks are located on both sides of the charger along the width direction of the electric vehicle.

Optionally, some of the gas storage tanks further include a part of the gas storage tanks located between the head of the electric vehicle and the rechargeable battery.

Correspondingly, the present invention also provides an electric vehicle, comprising: an automobile body and the power battery assembly, the automobile body includes an automobile casing and an automobile chassis, and the power battery assembly is located on the automobile chassis.

Optionally, a charging port is provided on the vehicle casing, and the charging port is electrically connected to the charger.

Optionally, an inflation port is further provided on the vehicle shell, and the inflation port is communicated with the air storage tank.

Optionally, the charging port is arranged on one side of the car shell, and the inflation port is arranged on the other side of the car shell.

Compared with the prior art, the technical solution of the present utility model has the following advantages:

The power battery assembly of the electric vehicle includes: a fuel cell assembly and a rechargeable battery assembly. The fuel cell assembly includes a gas storage tank and a fuel cell reactor, and the fuel cell reactor is adapted to receive the hydrogen delivered by the gas storage tank to generate electrical energy. The rechargeable battery assembly includes a rechargeable battery and a charger, and the rechargeable battery is suitable for storing and outputting electrical energy. The electric energy generated by the fuel cell reactor and/or the electric energy output by the rechargeable battery drives the electric vehicle to move forward, which helps to improve the cruising range of the electric vehicle. The fuel cell reactor is located on one side of the rechargeable battery, and the charger is located on the other side of the rechargeable battery, which can prevent the fuel cell reactor and the charger from occupying each other's space, so as to achieve reasonable discharge. Distributing the relative positions of fuel cell reactors, rechargeable batteries and chargers helps to efficiently utilize vehicle chassis space.

Further, the fuel cell assembly further comprises: a plurality of sets of pipes, the pipes are suitable for connecting the fuel cell reactor and the gas storage tank, the fuel cell reactor is located on one side of the rechargeable battery, the charging The device is located on the other side of the rechargeable battery, which can provide sufficient space for mounting the piping and facilitate the installation of the piping.

Description of drawings

1 is a schematic structural diagram of a power battery assembly of an electric vehicle according to an embodiment of the present invention;

2 is a schematic diagram of the internal structure of an electric vehicle according to an embodiment of the present invention.

Detailed ways

The analysis is now carried out in conjunction with a power cell assembly of an electric vehicle. The power cell assembly of the electric vehicle includes a fuel cell assembly, and the fuel cell assembly includes a gas storage tank and a fuel cell reactor, and the fuel cell reactor is suitable for receiving the The hydrogen transported by the gas storage tank is used to generate electricity, which in turn provides energy for the electric vehicle to travel. The power battery assembly is easily limited by fuel supply, which affects the cruising range of the electric vehicle. In order to improve the cruising range of the electric vehicle, the power battery assembly of the electric vehicle may further include a rechargeable battery assembly, and the rechargeable battery assembly includes a rechargeable battery and a charger, and the electrical energy generated by the fuel cell assembly and/or the output of the rechargeable battery Electric energy drives the electric vehicle to move forward, which helps to increase the cruising range of the electric vehicle. However, the power battery components of electric vehicles include both fuel cell components and rechargeable battery components, each of which occupies a relatively large space, and needs to be reasonably arranged in order to efficiently utilize the effective carrying space.

The inventor has conducted research on the power battery assembly of the above-mentioned electric vehicle. Through creative work, the inventor noticed that the fuel cell reactor is arranged on one side of the rechargeable battery, and the charger is arranged on the side of the rechargeable battery. On the other hand, it can efficiently use the space of the car chassis.

In order to make the above objects, features and advantages of the present utility model more clearly understood, the specific embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

FIG. 1 shows a schematic structural diagram of a power battery assembly 100 of an electric vehicle according to an embodiment of the present invention.

Referring to FIG. 1 , a power cell assembly 100 of an electric vehicle includes a fuel cell assembly and a rechargeable cell assembly, the fuel cell assembly includes a gas storage tank 200 and a fuel cell reactor 300, and the fuel cell reactor 300 is adapted to receive the The hydrogen gas delivered by the gas storage tank 200 is used to generate electricity. The rechargeable battery assembly includes a rechargeable battery 410 and a charger 420 , the charger 420 is suitable for charging the rechargeable battery 410 , and the rechargeable battery 410 is suitable for storing the electrical energy input by the charger 420 and outputting electrical energy. The fuel cell reactor 300 is located on one side of the rechargeable battery 410 , and the charger 420 is located on the other side of the rechargeable battery 410 .

The electric energy generated by the fuel cell assembly and/or the electric energy output by the rechargeable battery assembly drives the electric vehicle to travel, which helps to increase the cruising range of the electric vehicle. Furthermore, when the electric vehicle is on a road with high energy consumption, such as when the electric vehicle is going uphill, the fuel cell assembly and the rechargeable battery assembly can operate simultaneously to provide sufficient power supply for the electric vehicle.

The fuel cell reactor is located on one side of the rechargeable battery, and the charger is located on the other side of the rechargeable battery, so as to prevent the fuel cell reactor 300 and the charger 420 from occupying each other's position space, so as to be reasonable The relative positions of the fuel cell reactor 300 , the rechargeable battery 410 and the charger 420 are arranged in a reasonable layout within a limited space, so as to efficiently utilize the space of the vehicle chassis.

The front-rear direction of the body of the electric vehicle is a first direction, and the first direction is directed from the head of the electric vehicle to the rear of the electric vehicle. The width direction of the electric vehicle is a second direction, and the second direction is perpendicular to the first direction.

One side of the fuel cell reactor 300 is close to the head 131 of the electric vehicle, and the rechargeable battery 410 is located on the other side of the fuel cell reactor 300 away from the head 131 of the electric vehicle. In some embodiments, the elongation direction of the rechargeable battery 410 is substantially parallel to the first direction when located on a level ground.

The charger 420 is adapted to charge the rechargeable battery 410 . In this embodiment, the charger 420 is connected to the rechargeable battery 410 through a connecting wire 450 .

In some embodiments, the rechargeable battery assembly further includes a charging port 430 , and the charging port 430 is electrically connected to the charger 420 .

The rechargeable battery assembly further includes a cable 440 , one end of the cable 440 is connected to the charging port 430 , and the other end of the cable 440 is connected to the charger 420 . The electrical energy from the outside world is transmitted to the charger 420 through the charging port 430 and the cable 440 , so as to charge the rechargeable battery 410 .

The gas storage tank 200 is suitable for storing hydrogen so as to provide hydrogen supply for the fuel cell reactor 300 .

The number of the gas storage tanks 200 is multiple, and the multiple gas storage tanks 200 are communicated with each other.

In some embodiments, the plurality of air storage tanks 200 include at least two air storage tanks 200 respectively located on both sides of the rechargeable battery 410 and the charger 420 along the width direction of the electric vehicle. That is, they are located on both sides of the rechargeable battery 410 and the charger 420 along the second direction, so as to protect the rechargeable battery 410 and the charger 420 and reduce the rechargeable battery 410 and the charger 420 of external shocks.

In some embodiments, the plurality of air storage tanks 200 further includes a part of the air storage tanks 200 located between the head 131 of the electric vehicle and the rechargeable battery 410 . One end of the air tank 200 located between the head 131 of the electric vehicle and the rechargeable battery 410 faces the rechargeable battery 410 , and the other end extends toward the head 131 of the electric vehicle.

In some embodiments, two air tanks 200 are located between the head 131 of the electric vehicle and the rechargeable battery 410 , and the two air tanks 200 are arranged side by side along the width direction of the vehicle.

The fuel cell assembly further includes: an inflating port 201 communicated with the gas storage tank 200 .

In some embodiments, the fuel cell assembly further includes a split manifold 230 having an input nozzle and a plurality of output nozzles, the input nozzle being aligned with the charging port 201 . The output nozzles are connected with the gas storage tanks 200 one by one, so as to deliver hydrogen to each of the gas storage tanks 200 .

In some embodiments, the fuel cell reactor 300 is disposed on the side opposite to the driver's seat in the width direction of the electric vehicle. Among them, the driver's seat is the position where the electric vehicle driver sits when driving.

In some embodiments, the fuel cell assembly further includes: a plurality of sets of pipes (not shown in the figure), the pipes connect the fuel cell reactor 300 and the gas storage tank 200 . The hydrogen in the gas storage tank 200 is transported to the fuel cell reactor 300 through the piping.

In some embodiments, the power battery assembly 100 of the electric vehicle further includes: an air inlet pipe, and the air inlet pipe is suitable for delivering external air to the fuel cell reactor 300 . The hydrogen transported into the fuel cell reactor 300 undergoes an electrochemical reaction with oxygen in the air, and the chemical energy is directly converted into electrical energy, which is used as the driving force for the electric vehicle. The installation positions of the plurality of sets of pipes are related to the installation positions of the fuel cell reactor 300 . If the fuel cell reactor and the charger are installed on the same side of the rechargeable battery, since the fuel cell reactor has a large number of pipes, and the fuel cell reactor 300 is also equipped with an air inlet pipe, so many pipes are required. The plumbing will be difficult to set up. In addition, since the pipeline occupies a large space, the space occupied by the charger will be squeezed. The fuel cell reactor 300 is located on one side of the rechargeable battery 410, and the charger 420 is located on the other side of the rechargeable battery 410, which facilitates the arrangement of piping.

In some embodiments, the fuel cell reactor 300 includes a fuel cell stack 310 and a fuel cell booster 320 that are electrically connected.

The power battery assembly 100 further includes: an integrator 710 , and the integrator 710 is connected to the charger 420 and the fuel cell reactor 300 .

In some embodiments, the integrator 710 is adapted to integrate two kinds of power, the electric energy generated by the fuel cell reactor 300 and the electric energy provided by the rechargeable battery 410 are collected at the integrator 710, and after the convergence The total power to drive the motor.

2 is a schematic diagram of the internal structure of an electric vehicle according to an embodiment of the present invention.

In some embodiments, the side wall of the vehicle body includes a first side wall 121 and a second side wall 122 , and the first side wall 121 and the second side wall 122 are respectively used as left and right side walls of the electric vehicle body. Among them, the definition of the left and right direction is based on the left and right of the electric vehicle driver.

In some embodiments, the vehicle chassis is provided with two longitudinal beams 600 extending from the head 131 of the electric vehicle to the tail 132 of the electric vehicle, and the longitudinal beams 600 extend in a direction parallel to the first one direction. One of the longitudinal beams 600 is adjacent to the first side wall 121 , and the other longitudinal beam 600 is adjacent to the second side wall 122 .

In some embodiments, the rechargeable battery 410 is located between the two stringers 600 .

In some embodiments, the charging port 430 is located on the second side wall 122 of the vehicle housing. In other embodiments, the charging port 430 is located on the first side wall 121 .

The power battery assembly 100 includes a plurality of air storage tanks 200, and at least two air storage tanks 200 are located in the rechargeable battery 410 and the charging battery along the width direction of the electric vehicle. device 420 on both sides. The air tanks 200 on both sides of the rechargeable battery 410 and the charger 420 are located between the longitudinal beam 600 and the side wall of the vehicle shell, and the air tanks 200 are bound to the In the longitudinal beam 600, the strength of the structure can be ensured while suppressing the increase in mass.

In some embodiments, the plurality of air storage tanks 200 further includes a part of the air storage tanks 200 located between the head of the electric vehicle and the rechargeable battery 410 . The air storage tank 200 between the head of the electric vehicle and the rechargeable battery 410 is located between the two longitudinal beams 600 , and the air storage tank 200 is bound to the longitudinal beams with metal straps On the beam 600, it is beneficial to ensure the strength of the structure while suppressing the increase in mass.

In some embodiments, the inflation port 201 is located on the first side wall 121 of the vehicle shell.

In some embodiments, the charging port 430 is arranged on one side of the car shell and the inflation port 201 is arranged on the other side of the car shell.

In some embodiments, the electric vehicle further includes a pair of front wheels 741 and a pair of rear wheels 742 .

The electric vehicle further includes: a power control unit 720 (Power Control Unit, PCU) and a motor 500 electrically connected to the power control unit 720 . The power control unit 720 is also electrically connected to the integrator 710 . The power control unit 720 is adapted to convert the total electricity collected by the integrator 710 to AC and DC, so as to be adapted to drive the motor 500 to operate.

In some embodiments, the motor 500 is rotatably connected to the rear wheel 742 through a shaft 743 to drive the rear wheel 742 to rotate.

In some embodiments, the rechargeable battery assembly further includes a temperature controller 730 and a battery cooling system for regulating the temperature of the rechargeable battery 410 . The cooling liquid in the cooling line of the battery cooling system is suitable for exchanging heat with the rechargeable battery 410 so as to cool the rechargeable battery 410 .

Although the present invention is disclosed above, the present invention is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be based on the scope defined by the claims.

Claims (11)

1. A power battery assembly (100) of an electric vehicle, comprising:

a fuel cell assembly, the fuel cell assembly comprising: an air tank (200); a fuel cell reactor (300), wherein the fuel cell reactor (300) is suitable for receiving the hydrogen delivered by the gas storage tank (200) to generate electric energy;

a rechargeable battery assembly comprising a rechargeable battery (410) and a charger (420), the charger (420) being adapted to charge the rechargeable battery (410);

wherein the fuel cell reactor (300) is located on one side of the rechargeable battery (410) and the charger (420) is located on the other side of the rechargeable battery (410).

2. The power cell assembly (100) of the electric vehicle according to claim 1, wherein the fuel cell reactor (300) is disposed on a side opposite to a driver's seat in a width direction of the electric vehicle.

3. The power cell assembly (100) of the electric vehicle according to claim 1, wherein one side of the fuel cell reactor (300) is close to the head (131) of the electric vehicle, and the rechargeable battery (410) is located on the other side of the fuel cell reactor (300) away from the head (131) of the electric vehicle.

4. The power cell assembly (100) of an electric vehicle of claim 3, wherein the fuel cell assembly further comprises: a plurality of sets of piping adapted to connect the fuel cell reactor (300) and the gas storage tank (200).

5. The power battery assembly (100) of the electric vehicle as claimed in claim 4, wherein the number of the air tanks (200) is plural, and the plural air tanks (200) are communicated with each other.

6. The power battery assembly (100) of an electric vehicle according to claim 5, wherein at least two of the plurality of air tanks (200) are respectively located on both sides of the charger (420) in a width direction of the electric vehicle.

7. The power battery assembly (100) of the electric vehicle according to claim 6, wherein a portion of the plurality of air tanks (200) is located between the head (131) of the electric vehicle and the rechargeable battery (410).

8. An electric vehicle, comprising: an automotive body comprising an automotive shell and an automotive chassis; and

the power cell assembly (100) of an electric vehicle according to any one of claims 1 to 7, the power cell assembly (100) being located on the vehicle chassis.

9. The electric vehicle of claim 8, characterized in that a charging port (430) is provided on the vehicle housing, the charging port (430) being electrically connected to the charger (420).

10. The electric vehicle of claim 9, characterized in that an air charging port (201) is further provided on the vehicle housing, and the air charging port (201) is communicated with the air storage tank (200).

11. The electric vehicle of claim 10, characterized in that the charging port (430) is arranged on one side of the vehicle housing and the inflation port (201) is arranged on the other side of the vehicle housing.

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