CN203221863U - Electric passenger car - Google Patents

Abstract

The utility model provides an electric passenger car. The electric passenger car comprises a battery installment cabinet. Batteries for powering the electric passenger car are arranged in the battery installment cabinet; the battery installment cabinet comprises a first battery installment cabinet, a second battery installment cabinet and a third battery installment cabinet; the first battery installment cabinet is installed in the front of the electric passenger car, and a first battery pack is arranged in the first battery installment cabinet; the second battery installment cabinet is installed in the middle of the electric passenger car, and a second battery pack is arranged in the second battery installment cabinet; the third battery installment cabinet is installed in the rear of the electric passenger car, and a third battery pack is arranged in the third battery installment cabinet.

Description

An electric bus

technical field

The utility model relates to an electric passenger car.

Background technique

Electric buses mainly refer to pure electric buses, all of which use electric energy to drive. This type of product has low noise, high driving stability, and achieves zero emissions. An electric bus refers to a bus that is driven by an on-board power supply and drives the wheels with a motor, and meets the requirements of road traffic and safety regulations.

The composition of electric vehicles includes: electric drive and control systems, mechanical systems such as drive force transmission, and working devices to complete established tasks. The electric drive and control system is the core of electric vehicles, and it is also the biggest difference from internal combustion engine vehicles. The electric drive and control system consists of a drive motor, a power supply, and a speed control device for the motor. The rest of the equipment of electric vehicles is basically the same as that of internal combustion engine vehicles. The power supply provides electric energy for the driving motor of the electric vehicle, and the electric motor converts the electric energy of the power supply into mechanical energy. The arrangement of batteries in the power supply is an important part in the design of electric buses.

Utility model content

The utility model provides an electric passenger car, which solves the technical problem of battery arrangement of the electric passenger car.

The above-mentioned technical problems of the utility model are achieved through the following technical solutions: an electric passenger car, comprising: a battery installation cabinet, a battery providing power for the electric passenger car is provided in the battery installation cabinet, and the battery installation cabinet includes: a first A battery installation cabinet, the first battery installation cabinet is installed on the front of the electric bus, the first battery installation cabinet is provided with a first battery pack; a second battery installation cabinet, the second battery installation cabinet is installed on the electric bus In the middle part, the second battery installation cabinet is provided with a second battery pack; and a third battery installation cabinet, the third battery installation cabinet is installed at the rear of the electric bus, and the third battery installation cabinet is provided with a third Battery.

Further, the first battery pack, the second battery pack and the third battery pack are connected in parallel.

Further, the battery installation cabinet is provided with an inspection port structure, and the inspection port structure is provided with a fastening structure for locking the inspection port structure.

Further, the first battery installation cabinet includes a first left battery installation cabinet and a first right battery installation cabinet, and the first battery pack includes a first left battery pack and a first right battery pack connected in series, The first left battery installation cabinet is provided with a first left battery pack, the first right battery installation cabinet is provided with a first right battery pack, and the first left battery installation cabinet and the first The battery installation cabinet on the right side is arranged symmetrically along the longitudinal centerline of the electric bus. The electric bus includes a left front wheel and a right front wheel at the front. The first left battery installation cabinet is installed on the left middle wheel bag, and the first right battery installation cabinet is installed on the right middle wheel wheel bag.

Furthermore, the electric bus includes a front door on the first side of the front, and the first left battery installation cabinet is located between the front door and the frontmost seat.

Furthermore, the electric bus includes a driver's seat on the second side of the front, and the first right battery installation cabinet is located between the driver's seat and the frontmost seat.

Further, the electric bus includes a chassis, the chassis includes a frame, and the second battery installation cabinet is accommodated inside the frame.

Further, the electric bus includes a rear door and rear wheels located at the front of the electric bus, and the second battery installation cabinet is correspondingly arranged in the vehicle frame between the rear door and the rear wheels.

Further, the electric bus includes a chassis, and the chassis includes a frame, and installation cabinet guards are arranged under the second battery installation cabinet and the third battery installation cabinet, and the installation cabinet guards are fixed on the frame.

Further, the second battery installation cabinet and the third battery installation cabinet are box structures with an upper cover and a lower panel.

Further, the second battery installation cabinet includes a second left battery installation cabinet and a second right battery installation cabinet, and the second battery pack includes a second left battery pack and a second right battery pack connected in series, The second left battery installation cabinet is provided with a second left battery pack, the second right battery installation cabinet is provided with a second right battery pack, and the second left battery installation cabinet and the second The battery installation cabinet on the right is arranged symmetrically along the longitudinal centerline of the electric bus.

It is characterized in that the electric passenger car includes a front door and a rear door, the structure from the front door to the rear door is a low-floor structure, and the rear door to the last passenger area is a high-floor area, and the high-floor area is arranged with passenger seats, steps for passengers to go up and down and A passage for passengers to pass through.

Further, the second battery installation cabinet and the third battery installation cabinet are arranged under the high floor area.

Further, the third battery installation cabinet is located in the area under the last row of seats.

Further, the third battery installation cabinet includes a third left battery installation cabinet and a third right battery installation cabinet, and the third battery pack includes a third left battery pack and a third right battery pack connected in series, The third left battery installation cabinet is provided with a third left battery pack, the third right battery installation cabinet is provided with a third right battery pack, and the third left battery installation cabinet and the third The battery installation cabinet on the right is arranged symmetrically along the longitudinal centerline of the electric bus.

Furthermore, the electric bus includes rear wheels and a rear compartment, and the third battery installation cabinet is correspondingly arranged between the rear wheels and the rear compartment.

According to an electric bus of the present invention, the battery provides power for the electric bus, and the battery is installed in the battery installation cabinet to facilitate installation and maintenance of the battery; the first battery installation cabinet is installed at the front of the electric bus, and the second battery installation cabinet is installed In the middle of the electric bus, the third battery installation cabinet is installed at the rear of the electric bus, which meets the axle load requirements, and is easy to achieve the low floor requirements of the electric bus, ensuring the use of space in the car and the stability and safety of the whole vehicle.

Description of drawings

Fig. 1 is a schematic side perspective view of an electric passenger car according to an embodiment of the utility model.

Fig. 2 is a top perspective schematic diagram of the electric passenger car of the embodiment of the utility model.

Fig. 3 is a schematic diagram of the bottom of the electric passenger car according to the embodiment of the utility model.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects solved by the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model, but should not be construed as limiting the present utility model.

In the description of the present utility model, it should be understood that, unless otherwise specified and limited, the terms "central", "longitudinal", "transverse", "upper", "lower", "front", "rear" , "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer" and other indicated orientations or positional relationships are based on the orientations or positions shown in the drawings The relationship is only for the convenience of describing the utility model and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

In the following, up, down, inside and outside refer to the orientation of the electric bus when it is normally placed, and the front, rear, left and right refer to the front, rear, left and right that the driver thinks in the normal driving state.

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

As shown in Figures 1 to 3, the utility model provides an electric passenger car, comprising:

A battery installation cabinet, the battery installation cabinet is provided with a battery to provide power for the electric bus, and the battery installation cabinet includes:

The first battery installation cabinet 100, the first battery installation cabinet 100 is installed at the front of the electric bus, and the first battery installation cabinet 100 is provided with a first battery pack;

The second battery installation cabinet 200, the second battery installation cabinet 200 is installed in the middle of the electric bus, and the second battery installation cabinet 200 is provided with a second battery pack; and

The third battery installation cabinet 300, the third battery installation cabinet 300 is installed at the rear of the electric bus, and the third battery installation cabinet 300 is provided with a third battery pack.

The battery provides power for the electric bus, and the battery is installed in the battery installation cabinet to facilitate installation and maintenance of the battery; the first battery installation cabinet 100 is installed in the front of the electric bus, the second battery installation cabinet 200 is installed in the middle of the electric bus, and the third battery The installation cabinet 300 is installed at the rear of the electric bus, which meets the axle load requirements, and is easy to meet the low-floor requirements of the electric bus, ensuring the use of space in the car and the stability and safety of the whole car.

Specifically, the first battery pack, the second battery pack and the third battery pack are connected in parallel. Three sets of battery packs connected in parallel together provide energy for the electric bus. If one or two sets fail to provide energy, it can also ensure that the electric bus can run.

Specifically, the battery installation cabinet is provided with an inspection port structure (not shown in the figure), and the inspection port structure is provided with a fastening structure for locking the inspection port structure. The inspection port structure is convenient to open the battery installation cabinet for installation and maintenance, and the fastening structure can lock the battery installation cabinet to prevent the risk of others from touching the batteries in the installation cabinet.

Specifically, the first battery installation cabinet 100 includes a first left battery installation cabinet 110 and a first right battery installation cabinet 120, and the first battery pack includes a first left battery pack and a first right battery pack connected in series. A battery pack, the first left battery installation cabinet 110 is provided with a first left battery pack, the first right battery installation cabinet 120 is provided with a first right battery pack, the first left battery The installation cabinet 110 and the first right side battery installation cabinet 120 are arranged symmetrically along the longitudinal centerline of the electric bus, where the longitudinal direction is the direction when the bus runs along a straight line, and the symmetrical arrangement helps to maintain the stability of the electric bus body. An aisle for passengers to pass is formed between the first left battery installation cabinet 110 and the first right battery installation cabinet 120. The width of the aisle meets the requirements for passengers to pass through, which facilitates the entry and exit of passengers.

More specifically, the first battery installation cabinet 100 is fixed on the side 10 of the carriage and the front wheel pack. Further, the electric passenger car includes a left front wheel 41 and a right front wheel 42 at the front, and left and right front wheel packs are arranged on the left front wheel 41 and the right front wheel 42, and the first left side battery The installation cabinet 110 is installed on the left middle wheel pack, and the first right battery installation cabinet 120 is installed on the right middle wheel pack. Avoid occupying the space of the compartment floor, which can save the interior space of the passenger car as much as possible, facilitate the arrangement of the seats, and also help to load more passengers.

More specifically, the electric bus includes a front door 31 on the first side of the front, and the first left battery installation cabinet 110 is located between the front door 31 and the frontmost seat. The electric passenger car includes a driver's seat on the second side of the front, and the first right battery installation cabinet 120 is located between the driver's seat and the most front row of seats. Such an arrangement maximizes the use of the space in the compartment and is conducive to the arrangement of the seats.

More specifically, the compartment includes compartment sides 50 located on the left and right sides of the compartment, the sides of the first battery installation cabinet 100 are fixed on the sides 50 of the compartment, and the bottom surface of the first battery installation cabinet 100 is fixed on the left and right sides. On the front wheel.

Specifically, the electric bus includes a chassis 10 , the chassis includes a frame 11 , and the second battery installation cabinet 200 is accommodated inside the frame 11 . The second battery installation cabinet 200 is accommodated inside the vehicle frame 11, does not occupy the passenger space in the vehicle, and ensures the interior of the vehicle to be beautiful and tidy and to have sufficient space for use. The electric passenger car includes a rear door 32 and rear wheels (61, 62) at the front of the electric passenger car, and the second battery installation cabinet 200 is correspondingly arranged on the vehicle frame 11 between the rear door 32 and the rear wheels (61, 62). Inside. The electric passenger car includes a front door 31 and a rear door 32. From the front door 31 to the rear door 32, it is a low-floor structure without steps. The front door 31 and the rear door 32 are steps, which are convenient for passengers to get on and off. From the rear door 32 to the last passenger area It is a high-floor area, and the high-floor area is arranged with passenger seats, steps for passengers to go up and down, and passages for passengers to pass through. The second battery installation cabinet 200 and the third battery installation cabinet 300 are arranged under the high floor area.

Specifically, the electric bus includes a chassis 10, the chassis includes a vehicle frame 11, the second battery installation cabinet 200 and the third battery installation cabinet 300 are provided with installation cabinet guards, and the installation cabinet guards are fixed on On the vehicle frame 11, and fixed firmly, the installation cabinet guard plate can improve the electricity safety of the second battery installation cabinet 200 and the third battery installation cabinet 300 in the harsh environment of the chassis.

Specifically, the second battery installation cabinet 200 and the third battery installation cabinet 300 are box structures with an upper cover and a lower panel. The box structure of the upper cover and the lower plate is beneficial to protect the battery and improve the safety of electricity use in the harsh environment of the chassis. The second battery installation cabinet 200 and the third battery installation cabinet 300 are generally in the shape of a cube, the upper cover at the top is a cover body, and the lower plate at the bottom is a tray. The upper cover and the lower plate can be opened separately to facilitate the loading and unloading and maintenance of batteries , only the upper cover can be opened during maintenance.

Specifically, the second battery installation cabinet 200 includes a second left battery installation cabinet 210 and a second right battery installation cabinet 220, and the second battery pack includes a second left battery pack and a second right battery pack connected in series. A battery pack, the second left battery installation cabinet 210 is provided with a second left battery pack, the second right battery installation cabinet 220 is provided with a second right battery pack, the second left battery The installation cabinet 210 and the second right side battery installation cabinet 220 are arranged symmetrically along the longitudinal centerline of the electric bus. Here, the longitudinal direction is the direction when the bus runs along a straight line, and the symmetrical arrangement is beneficial to maintain the stability of the electric bus body.

Specifically, the third battery installation cabinet (300) is located in the area under the last row of seats. The third battery installation cabinet 300 includes a third left battery installation cabinet 310 and a third right battery installation cabinet 320, and the third battery pack includes a third left battery pack and a third right battery pack connected in series, The third left battery installation cabinet 310 is provided with a third left battery pack, the third right battery installation cabinet 320 is provided with a third right battery pack, and the third left battery installation cabinet 310 and the third right battery installation cabinet 320 are arranged symmetrically along the longitudinal centerline of the electric bus. If one group of batteries cannot be used, there is another group of batteries that can be used, which does not affect the driving of the electric bus. Here, the longitudinal direction is the direction when the bus runs along a straight line, and the symmetrical arrangement is beneficial to maintain the stability of the electric bus body. More specifically, the electric bus includes a rear wheel (61, 62) and a rear compartment 20, and the third battery installation cabinet 300 is correspondingly arranged between the rear wheels (61, 62) and the rear compartment 20.

As shown in Figures 1 to 3, the new embodiment of the present invention provides an electric bus, including a vehicle frame 11, a front axle A connected to the front of the vehicle frame 11, and a rear axle B connected to the rear of the vehicle frame 11 And the drive motor C that drives the electric passenger car to travel, and the battery is connected to the drive motor C to provide energy. The vehicle frame 11 is a truss type vehicle frame. The front axle A adopts a portal-type low-floor axle dedicated to public transport, and the rear axle B adopts a low-floor portal-type wheel drive axle.

As shown in FIG. 3 , the drive motor C is two wheel drive motors ( C1 , C2 ) arranged at the left and right ends of the rear axle. The wheel drive motors (C1, C2) transmit power to the left and right rear wheels (61, 62) through a two-stage reducer. Due to the high speed of the motor, it must be decelerated. Here, a two-stage reducer is used. Compared with a one-stage reducer (which needs to achieve the same reduction ratio), it can better protect the gears in the reducer and extend the life of the reducer. life. Moreover, the electric bus that uses the wheel-side drive motor does not need a transmission device, and the reducer is also arranged on the wheel side, so the low-floor requirements can be realized to the greatest extent.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (16)

1. An electric passenger car is characterized in that, comprising: A battery installation cabinet, the battery installation cabinet is provided with a battery to provide power for the electric bus, and the battery installation cabinet includes: A first battery installation cabinet (100), the first battery installation cabinet (100) is installed at the front of the electric bus, and a first battery pack is arranged in the first battery installation cabinet (100); The second battery installation cabinet (200), the second battery installation cabinet (200) is installed in the middle of the electric bus, and the second battery installation cabinet (200) is provided with a second battery pack; and A third battery installation cabinet (300), the third battery installation cabinet (300) is installed at the rear of the electric bus, and a third battery pack is arranged in the third battery installation cabinet (300). 2. The electric passenger car according to claim 1, wherein the first battery pack, the second battery pack and the third battery pack are connected in parallel. 3 . The electric bus according to claim 1 , wherein the battery installation cabinet is provided with an inspection opening structure, and the inspection opening structure is provided with a fastening structure for locking the inspection opening structure. 4 . 4. The electric passenger car according to claim 1, characterized in that, the first battery installation cabinet (100) comprises a first left battery installation cabinet (110) and a first right battery installation cabinet (120) , the first battery pack includes a first left battery pack and a first right battery pack connected in series, the first left battery pack (110) is provided with a first left battery pack, the first The right battery installation cabinet (120) is provided with a first right battery pack, and the first left battery installation cabinet (110) and the first right battery installation cabinet (120) are arranged symmetrically along the longitudinal center line of the electric bus , the electric passenger car comprises a left front wheel (41) and a right front wheel (42) at the front, and left and right front wheels are provided on the top of the left front wheel (41) and the right front wheel (42). The first left battery installation cabinet (110) is installed on the left middle wheel pack, and the first right battery installation cabinet (120) is installed on the right middle wheel pack. 5. A kind of electric passenger car according to claim 4, it is characterized in that, described electric passenger car comprises the front door (31) that is positioned at the front first side, and described first left side battery installation cabinet (110) is positioned at the front door (31). 31) and the front seat. 6. An electric passenger car according to claim 4, characterized in that the electric passenger car comprises a driver's seat located on the second side of the front, and the first right side battery installation cabinet (120) is located between the driver's seat and the frontmost between rows of seats. 7. An electric passenger car according to claim 1, characterized in that the electric passenger car comprises a chassis (10), the chassis comprises a vehicle frame (11), and the second battery installation cabinet (200) accommodates Inside the frame (11). 8. A kind of electric passenger car according to claim 1, is characterized in that, described electric passenger car comprises the rear door (32) and rear wheel (61,62) that are positioned at the middle front part of electric passenger car, and described second battery installation cabinet (200) is correspondingly arranged in the vehicle frame (11) between the rear door (32) and the rear wheels (61, 62). 9. An electric passenger car according to claim 1, characterized in that the electric passenger car comprises a chassis (10), the chassis comprises a vehicle frame (11), the second battery installation cabinet (200) and the second battery installation cabinet An installation cabinet shield is provided below the three-battery installation cabinet (300), and the installation cabinet shield is fixed on the vehicle frame (11). 10. The electric passenger car according to claim 1, characterized in that, the second battery installation cabinet (200) and the third battery installation cabinet (300) are box structures with an upper cover and a lower panel. 11. The electric bus according to claim 1, characterized in that, the second battery installation cabinet (200) comprises a second left battery installation cabinet (210) and a second right battery installation cabinet (220) , the second battery pack includes a second left battery pack and a second right battery pack connected in series, the second left battery installation cabinet (210) is provided with a second left battery pack, the second The right battery installation cabinet (220) is provided with a second right battery pack, and the second left battery installation cabinet (210) and the second right battery installation cabinet (220) are arranged symmetrically along the longitudinal centerline of the electric bus . 12. A kind of electric passenger car according to claim 1, is characterized in that, described electric passenger car comprises front door (31) and rear door (32), is the low-floor structure form from front door (31) to rear door (32), from Back door (32) is high-floor area to last passenger area, and high-floor area is arranged with passenger's seat, the step of going up and down for passenger and the passageway that passes for passenger. 13. The electric passenger car according to claim 12, characterized in that, the second battery installation cabinet (200) and the third battery installation cabinet (300) are arranged under the high floor area. 14. The electric passenger car according to claim 1, characterized in that, the third battery installation cabinet (300) is arranged in the area under the last row of seats. 15. The electric bus according to claim 1, characterized in that, the third battery installation cabinet (300) comprises a third left battery installation cabinet (310) and a third right battery installation cabinet (320) , the third battery pack includes a third left battery pack and a third right battery pack connected in series, the third left battery installation cabinet (310) is provided with a third left battery pack, the third A third right battery pack is provided in the right battery installation cabinet (320), and the third left battery installation cabinet (310) and the third right battery installation cabinet (320) are arranged symmetrically along the longitudinal center line of the electric bus . 16. An electric passenger car according to claim 15, characterized in that the electric passenger car comprises rear wheels (61, 62) and a rear cabin (20), and the third battery installation cabinet (300) is correspondingly arranged at Between the rear wheels (61, 62) and the rear compartment (20).

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