WO2022016851A1

WO2022016851A1 - Electric vehicle

Info

Publication number: WO2022016851A1
Application number: PCT/CN2021/074418
Authority: WO
Inventors: 杨志兵
Original assignee: 广东高标电子科技有限公司
Priority date: 2020-07-21
Filing date: 2021-01-29
Publication date: 2022-01-27
Also published as: CN219352040U; CN111846064A; TW202204201A

Abstract

An electric vehicle comprises a vehicle frame (1), a box (2), and a controller (3). The vehicle frame (1) comprises a seat cushion region (11) and a footrest region (12). The box (2) is disposed below the seat cushion region (11), and located behind the footrest region (12) and in front of a rear wheel of the electric vehicle. An air circulation opening (21) is provided on a surface of the box (2). The controller (3) is installed in the box (2), and at least one heat dissipation surface of the controller (3) is configured to face the air circulation opening (21).

Description

electric car

This application claims the priority of a Chinese patent application with an application date of July 21, 2020 and an application number of 202010706303.0, the entire contents of which are incorporated herein by reference.

technical field

The present application relates to the technical field of electric vehicle design and manufacture, for example, to an electric vehicle.

Background technique

The existing electric vehicle controller is generally installed in a closed environment. When the electric vehicle is running, the controller will heat up and can only be cooled naturally. If the heat is not discharged in time, when the temperature in the closed space continues to rise due to heat accumulation, the controller will It will stop working, which is prone to the phenomenon that the electric vehicle is unable to climb the slope, which affects the overall performance of the electric vehicle.

SUMMARY OF THE INVENTION

The present application provides an electric vehicle, which can improve the heat dissipation efficiency of the controller, ensure the stability of the controller, and avoid the situation of insufficient power of the electric vehicle.

An embodiment provides an electric vehicle, including:

The frame, including the seat cushion area and the footrest area;

a box body, which is installed below the seat cushion area and is located at the rear of the footrest area and in front of the rear wheel of the electric vehicle, and a ventilation port is provided on the box surface of the box body;

The controller is installed in the box body, and at least one heat dissipation surface of the controller is disposed toward the air vent.

Description of drawings

1 is a schematic structural diagram of an electric vehicle provided by an embodiment of the application;

2 is a schematic structural diagram of an electric vehicle provided by an embodiment of the present application with a protective cover removed;

Fig. 3 is the enlarged view of A place in Fig. 2;

4 is a partial cross-sectional view of an electric vehicle provided by an embodiment of the present application;

FIG. 5 is a partial exploded schematic diagram of an electric vehicle provided by an embodiment of the present application.

Reference number:

1-frame; 11-seat cushion area; 12-pedal area;

2-box body; 21-vent; 22-installation slot;

3- controller;

4-dust filter;

5-protective cover; 51-vent;

6-U-shaped bracket; 61-arm; 611-installation part.

detailed description

In the description of this application, it should be noted that the terms "front", "rear", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that is usually placed when the product is used, and is only for the convenience of describing the application, rather than indicating or implying The device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only or to distinguish different structures or components, and should not be construed to indicate or imply relative importance.

In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication of two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood in specific situations.

As shown in FIG. 1-FIG. 3, this embodiment provides an electric vehicle, including a frame 1, a box body 2 and a controller 3, the frame 1 includes a seat cushion area 11 and a pedal area 12; the box body 2 is installed Below the seat cushion area 11 and behind the pedal area 12 and in front of the rear wheel of the electric vehicle, a vent 21 is provided on the box surface of the box body 2; the controller 3 is installed in the box body 2, and the controller 3 At least one heat dissipation surface of the device is disposed toward the ventilation opening 21 . In this electric vehicle, a vent 21 is opened on the box body 2 below the seat cushion area 11, and at least one heat dissipation surface of the controller 3 faces the vent 21. The higher the heat dissipation efficiency of 3 is, the stability of the controller 3 can be ensured, and the situation of insufficient power of the electric vehicle can be avoided.

Optionally, the vent 21 is arranged on the side of the box body 2 close to the footrest area 12, that is, the vent 21 is arranged on the windward surface of the box body 2, so as to improve the air flow of the vent 21 and improve the heat dissipation efficiency. In other embodiments, the vent 21 can also be arranged at other positions of the box body 2, and the heat dissipation effect of being arranged on the surface of the windward box is better.

Optionally, the controller 3 is inclined downward in the direction from front to back, so that both the front heat dissipation surface and the bottom heat dissipation surface of the controller 3 face the air vents 21 , so as to improve the heat dissipation efficiency of the controller 3 .

It should be noted that "front" and "rear" in this embodiment respectively refer to the front side of the electric vehicle and the rear side of the electric vehicle.

Optionally, the side of the box body 2 close to the footrest area 12 (that is, the windward surface) is an arc surface, and the opening direction of the arc surface is set forward, so as to ensure that the windward surface can receive more wind and ensure the ventilation openings. 21 ventilation.

In one embodiment, when the controller 3 is inclined downward in the direction from front to back, the position of the controller 3 and the vent 21 is arranged at an included angle, and the front heat dissipation surface of the controller 3 faces the vent on the upper part. 21 , the bottom heat dissipation surface of the controller 3 faces the ventilation opening 21 in the lower part, so as to improve the heat dissipation efficiency of the controller 3 .

Exemplarily, the controller 3 is arranged perpendicular to the position of the vent 21 to further increase the flow velocity of the wind.

Exemplarily, the box body 2 may be a polyhedral box with multiple box surfaces, such as a square box, a rectangular box, etc., or a curved box without obvious box surface boundaries, such as a spherical box, an ellipsoid box, a non- Regular arc boxes, etc., do not make too many restrictions here.

Optionally, in order to further improve the heat dissipation efficiency of the controller 3 , the electric vehicle further includes a heat dissipation fan, and a heat dissipation fan is provided on at least one heat dissipation surface of the controller 3 . When the electric vehicle climbs a slope, the cooling fan can be started to realize simultaneous cooling by natural air cooling and cooling fan, so as to ensure the cooling efficiency of the controller 3 and improve the stability of the controller 3 .

Optionally, as shown in FIG. 4-FIG. 5, in order to prevent dust from entering the box body 2 and affecting the performance of the controller 3, the electric vehicle also includes a dust filter 4, and the dust filter 4 is blocked on the air vent 21, In order to prevent dust from entering the box body 2 and affecting the efficiency of the cooling fan.

Optionally, the front heat dissipation surface of the controller 3 is in contact with the dustproof filter 4, which can improve the dustproof effect.

Optionally, in order to protect the controller 3 and prevent large hard objects from entering the air vent 21 to damage the controller 3, the electric vehicle further includes a protective cover 5. The cover 5 is provided with ventilation holes 51 . The protective cover 5 is removable for easy replacement or maintenance of the dust filter 4 .

Optionally, a plurality of ventilation holes 51 are arranged on the protective cover 5 in a matrix to improve ventilation.

In one embodiment, the ventilation holes 51 are long-waisted holes, the ventilation holes 51 are arranged in a vertical direction, and the ventilation holes 51 are arranged in two rows and multiple columns. Relatively arranged, the ventilation holes 51 in the lower row are arranged at an included angle with the bottom heat dissipation surface of the controller 3 .

In order to facilitate the installation of the protective cover 5, the box body 2 is provided with an installation groove 22 (refer to FIG. 3 ).

When the electric vehicle includes the above-mentioned dust filter 4 and protective cover 5 at the same time, the dust filter 4 is located inside the vent 21 , and the protective cover 5 is located outside the vent 21 . In one embodiment, the edge of the dust filter 4 is fixed on the inner edge of the vent 21 , and the protective cover 5 is mounted on the mounting groove 22 on the outside of the vent 21 .

Optionally, the electric vehicle further includes a U-shaped bracket 6 , and both ends of the controller 3 are respectively fixed on the two arms 61 of the U-shaped bracket 6 . On the one hand, it is convenient to install the controller 3 in the box body 2 through the U-shaped bracket 6; The heat dissipation efficiency of the device 3.

During the riding process, the wind enters the inside of the U-shaped bracket 6 from the vent 21 to cool the bottom heat dissipation surface of the controller 3, and the faster the riding speed, the greater the air volume and the better the heat dissipation effect.

In one embodiment, the controller 3 is parallel to the U-shaped bracket 6, so that one end of the U-shaped bracket 6 faces the vent 21, so that the wind blown from the vent 21 can directly enter the U-shaped bracket 6 and the controller. The heat dissipation space formed by 3 is used for air cooling and heat dissipation of the controller 3.

Optionally, the ends of the two arms 61 of the U-shaped bracket 6 are both bent to form a mounting portion 611 , and the mounting portion 611 is configured to be fixedly connected to the controller 3 .

In one embodiment, the ends of the two arms 61 of the U-shaped bracket 6 are bent toward each other to form the mounting portion 611 , and the two ends of the controller 3 are respectively fixedly connected to the two mounting portions 611 . The ends are spaced apart from the inner wall of the box body 2 to facilitate air circulation and improve the heat dissipation efficiency of the controller 3 .

Claims

An electric vehicle comprising:

a frame (1), including a seat cushion area (11) and a footrest area (12);

A box body (2) is installed below the seat cushion area (11) and is located behind the footrest area (12) and in front of the rear wheel of the electric vehicle, and the box body (2) is provided on the box surface There are vents (21);

A controller (3) is installed in the box body (2), and at least one heat dissipation surface of the controller (3) is disposed toward the vent (21).
The electric vehicle according to claim 1, wherein the vent (21) is arranged on a side of the box body (2) close to the pedal area (12).
The electric vehicle according to claim 2, wherein the controller (3) is inclined downward in a direction from front to rear.
The electric vehicle according to claim 2, wherein a side of the box body (2) close to the pedal area (12) is an arc surface, and the opening direction of the arc surface is set forward.
The electric vehicle according to claim 1, further comprising a cooling fan, and the cooling fan is provided on at least one cooling surface of the controller (3).
The electric vehicle according to claim 5, further comprising a dust-proof filter screen (4), the dust-proof filter screen (4) is shielded on the air vent (21).
The electric vehicle according to claim 1, further comprising a protective cover (5), the protective cover (5) is detachably mounted on the ventilation opening (21), and the protective cover (5) is provided on There are ventilation holes (51).
The electric vehicle according to claim 7, wherein a mounting groove (22) is provided on the box body (2), and the mounting groove (22) is provided along the circumferential direction of the ventilation opening (21), and the The edge of the protective cover (5) is mounted on the mounting groove (22).
The electric vehicle according to claim 1 or 2, further comprising a U-shaped bracket (6), and two ends of the controller (3) are respectively fixed on the two arms (61) of the U-shaped bracket (6) superior.
The electric vehicle according to claim 9, wherein the ends of the two arms (61) of the U-shaped bracket (6) are respectively bent to form installation parts (611), and the installation parts (611) are connected to the control The device (3) is fixedly connected.