WO2021254216A1

WO2021254216A1 - Photoelectric switch assembly and self-balancing scooter therefor

Info

Publication number: WO2021254216A1
Application number: PCT/CN2021/098922
Authority: WO
Inventors: 臧传美
Original assignee: 浙江阿尔郎科技有限公司
Priority date: 2020-06-19
Filing date: 2021-06-08
Publication date: 2021-12-23
Also published as: CN212343752U

Abstract

A photoelectric switch assembly (10) and a self-balancing scooter therefor. The photoelectric switch assembly (10) comprises a photoelectric switch circuit board (11), a photoelectric switch body (12), and a connecting member (13); the photoelectric switch circuit board (11) and a control circuit board (20) are arranged separately; the photoelectric switch body (12) is arranged on the photoelectric switch circuit board (11); the connecting member (13) connects the photoelectric switch circuit board (11) and the control circuit board (20), and is configured to transmit electrical signals between the photoelectric switch circuit board (11) and the control circuit board (20). The photoelectric switch body (12) of the photoelectric switch assembly (10) is independently arranged on the photoelectric switch circuit board (11) and is separated from the control circuit board (20) of the self-balancing scooter, allowing for more free position arrangement of the photoelectric switch assembly (10) and the control circuit board (20), and for easier mounting and maintenance of the photoelectric switch assembly (10), thereby further improving the accuracy of stepping sensing.

Description

Photoelectric switch assembly and its balance car

Technical field

The utility model relates to the technical field of a balance car, in particular to a photoelectric switch assembly and a balance car.

Background technique

The operating principle of the electric balance car is mainly based on a basic principle called "dynamic stability". It uses the gyroscope and acceleration sensor inside the car body to detect the change of the car body's attitude, and uses the servo control system. The drive motor is adjusted accordingly to maintain the balance of the system. It is a new type of green and environmentally friendly product used by modern people as a means of transportation, leisure and entertainment. Generally, a two-wheeled electric balance car mainly includes two hub motors with axles, a pedal located between the two hub motors, etc. .

The existing balance car generally uses a photoelectric switch body to detect whether a person is standing on the balance car, and the photoelectric switch body is generally set on the control circuit board of the balance car. Therefore, the position of the photoelectric switch body is restricted by the position of the control circuit board. It also restricts the structure of the control circuit board itself, and also restricts the positions of the contacts corresponding to the photoelectric switch body.

Utility model content

In order to overcome the shortcomings of the prior art, one of the objectives of the present invention is to provide a photoelectric switch assembly, which separates the photoelectric switch body from the control circuit board, and facilitates the installation of the photoelectric switch body and the control circuit board.

The second purpose of the present invention is to provide a balance vehicle including the photoelectric switch assembly described above, which facilitates the position setting of the photoelectric switch body, reduces the influence of the photoelectric switch body on the control circuit board, and is beneficial to optimize the space layout in the vehicle body.

One of the purposes of this utility model is achieved by adopting the following technical solutions:

A photoelectric switch assembly includes a photoelectric switch circuit board, a photoelectric switch body, and a connector. The photoelectric switch circuit board and the control circuit board are arranged separately, and the photoelectric switch body is arranged on the photoelectric switch circuit board. The connector connects the photoelectric switch circuit board and the control circuit board, and is used for transmitting electrical signals between the photoelectric switch circuit board and the control circuit board.

Preferably, the photoelectric switch body includes a U-shaped detection head.

Preferably, two ends of the connector are provided with connectors, the photoelectric switch circuit board is provided with a connector for fixing the connector, and the connector is mated with the connector to realize a U-shape The electrical connection between the detection head and the connector.

Preferably, the U-shaped detection head is located on the upper surface of the photoelectric switch circuit board, and the connector is located on the lower surface of the photoelectric switch circuit board.

Preferably, the connecting member is fixedly connected to the photoelectric switch circuit board.

Preferably, the photoelectric switch body is located on the upper surface of the photoelectric switch circuit board, and the fixing point of the connecting member and the photoelectric switch circuit board is located on the lower surface of the photoelectric switch circuit board.

Preferably, the connecting member is a flexible connecting member.

Preferably, the connecting member is a wire.

Preferably, the connecting piece is a hard connecting piece with a built-in wire.

The second purpose of this utility model is achieved by adopting the following technical solutions:

A balance vehicle includes a vehicle body. The vehicle body includes movably arranged contacts, a control circuit board, and the above-mentioned photoelectric switch assembly. The photoelectric switch circuit board is electrically connected to the control circuit board through a connector. The switch body is arranged corresponding to the contact, and is located below the contact.

Compared with the prior art, the beneficial effects of the present invention are:

The photoelectric switch assembly of the utility model independently arranges the photoelectric switch body on the photoelectric switch circuit board, and is separated from the control circuit board of the balance car, so that the position distribution of the photoelectric switch assembly and the control circuit board is more free, and the photoelectric switch assembly is more free. It is easy to install and maintain, which further improves the accuracy of pedaling induction.

Description of the drawings

FIG. 1 is a schematic diagram of the structure of the photoelectric switch assembly according to the first embodiment of the present invention;

2 is a schematic diagram of the structure of the photoelectric switch assembly according to the second embodiment of the utility model;

3 is a schematic diagram of the structure of the photoelectric switch assembly according to the third embodiment of the utility model;

4 is a schematic diagram of an exploded structure of a part of the body of the balance car according to the embodiment of the utility model;

FIG. 5 is a schematic diagram of the structure of the photoelectric switch assembly of the embodiment of the utility model arranged on the vehicle body.

In the figure: 10, photoelectric switch assembly; 11, photoelectric switch circuit board; 12, photoelectric switch body; 121, U-shaped detection head; 13, connector; 14, connector; 15, fixed point; 16, connector; 20 , Control circuit board; 30, upper shell; 31, wire hole; 40, pedal; 41, contact.

detailed description

Hereinafter, the present utility model will be described in more detail with reference to the accompanying drawings. It should be noted that the following description of the present utility model with reference to the accompanying drawings is only illustrative and not restrictive. Various embodiments can be combined with each other to form other embodiments not shown in the following description.

In the description of the present utility model, it should be noted that for orientation words, if there are the terms "center", "horizontal", "longitudinal", "length", "width", "thickness", "upper", "lower" ", "Front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Reverse The indicating position and positional relationship such as "hour hand" are based on the position or positional relationship shown in the drawings, and are only used to facilitate the description of the present utility model and simplify the description, rather than indicating or implying that the device or element referred to must have a specific position to The specific orientation structure and operation cannot be understood as limiting the specific protection scope of the present utility model.

In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features may explicitly or implicitly include one or more of these features. In the description of the present utility model, "several" means two or more than two, unless There are also clear and specific restrictions.

In the present utility model, unless otherwise clearly specified and limited, the terms "assembly", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, or Integrally connected; it can also be mechanically connected; it can be directly connected, or it can be connected through an intermediate medium, and the two components can be connected internally. For those of ordinary skill in the art, the specific meaning of the above-mentioned terms in the present utility model can be understood according to specific circumstances.

Referring to Figures 1 to 4, the photoelectric switch assembly and its balance car of the embodiments of the present invention will be clarified in the following description. The photoelectric switch assembly includes an independent photoelectric switch circuit board, which is separate from the control circuit board. The positioning of the photoelectric switch body is not controlled by the control circuit board, and the position of the control circuit board is not restricted by the photoelectric switch body, which is beneficial to optimize the layout of the parts of the balance car body.

As shown in Figures 1 to 3, the present utility model designs a photoelectric switch assembly 10, which includes a photoelectric switch circuit board 11, a photoelectric switch body and a connector, the photoelectric switch circuit board and the control circuit board are separately arranged, and the photoelectric switch circuit board is separated from the control circuit board. The switch body is arranged on the photoelectric switch circuit board, and the connector is connected to the photoelectric switch circuit board and the control circuit board, and is used for transmitting electrical signals between the photoelectric switch circuit board and the control circuit board. The photoelectric switch body 12 is arranged on a separate photoelectric switch circuit board 11 and is separated from the control circuit board 20, which facilitates the position setting of the photoelectric switch body and reduces the influence of the photoelectric switch body on the control circuit board 20. The photoelectric switch circuit board is also provided with resistors, capacitors, transistors and other devices used with the photoelectric switch body.

More specifically, the photoelectric switch body includes a U-shaped detection head 121 for detecting whether it is triggered. The photoelectric switch assembly 10 is generally arranged under the pedal 40 of the balance car. Therefore, the lower surface of the pedal 40 is provided with corresponding to the photoelectric switch body. The contact 41 is used to trigger the photoelectric switch body. The contact 41 will follow the pedal 40 to enter or exit the U-shaped detection head 121. When the contact 41 enters the U-shaped detection head 121, the photoelectric switch body is triggered.

There are many ways to connect the connecting piece 13 to the photoelectric switch circuit board 11. One is: as shown in FIG. 1 and FIG. 2, the photoelectric switch circuit board 11 is provided with a connecting seat 14 for fixing the connecting piece 13. The two ends of the piece 13 are provided with connectors 16, one end of the connector 16 is plugged into the connection base, and the other end of the connector is plugged into the control circuit board; the connection base 14 is electrically connected to the photoelectric switch body. This connection method makes The connection between the connector and the photoelectric switch body is firmer and more stable, which is conducive to the stable transmission of electrical signals. The other is: as shown in FIG. 3, the connecting member 13 is fixedly connected to the photoelectric switch circuit board 11, for example, the connecting member 13 is directly fixed on the photoelectric switch circuit board 11 by welding. This connection method is relatively simple Faster, fewer parts, and lower cost.

In the above embodiment, the position of the photoelectric switch body can be flexibly selected, and it can be closer to the pedal 40 to make the pedaling more sensitive. In order to protect the control circuit board 20, the control circuit board 20 is generally located inside the car body. Need to set the wire hole 31. The position of the wire hole 31 can be established according to the position of the fixing point 15 of the connecting seat 14 or the connecting piece 13 and the photoelectric switch circuit board 11. As shown in the specific examples shown in FIG. 1 and FIG. 3, the photoelectric switch body is located on the upper surface of the photoelectric switch circuit board 11, and the fixing point 15 between the connecting seat 14 or the connector 13 and the photoelectric switch circuit board 11 is located on the photoelectric switch circuit board. The upper surface of 11. At this time, as shown in FIG. 5, the via 31 is arranged on the side of the photoelectric switch assembly 10, and the connecting member 13 goes around and passes through the via 31 to connect to the control circuit board 20 below. At this time, the length of the connecting piece 13 is relatively long, and other connections on the upper part of the vehicle body need to be avoided. Therefore, the installation is more troublesome. Preferably, as shown in FIG. 2, the U-shaped detection head 121 is located on the photoelectric switch circuit board 11. On the surface, the fixing point 15 of the connecting seat 14 or the connecting piece 13 and the photoelectric switch circuit board 11 is located on the lower surface of the photoelectric switch circuit board 11. It can be directly connected to the control circuit board 20 through the wire hole 31, and the length of the connecting piece 13 is shorter, the connection is more convenient, and it will not interfere with the pedal on the movable upper casing.

There are many options for the material of the connector 13, for example, the connector 13 is a wire, which is a flexible material and can be bent at will to meet the needs of the different positional relationship between the photoelectric switch circuit board 11 and the control circuit board 20, or the connector 13 is The hard connector 13 with built-in wires is beneficial to protect the wires, and the specific shape of the hard connector 13 is set according to the different positional relationship between the photoelectric switch circuit board 11 and the control circuit board 20.

As shown in FIG. 4, the present invention also designs a balance vehicle, including a vehicle body, which includes movably arranged contacts 41, a control circuit board 20, and the photoelectric switch assembly 10 of the above-mentioned embodiment, and the photoelectric switch circuit board 11 is electrically connected to the control circuit board 20 through the connector 13, and the photoelectric switch body is located under the contact 41. More specifically, the pedal 40 is movably arranged on the upper housing 30, and the upper housing 30 is provided with a photoelectric switch assembly 10, which is arranged corresponding to the rotation axis of the wheel, and is located below the pedal 40 and no lower than the wheel. The height of the axis of rotation. The rotation axis of the wheel is the centerline of the wheel motor shaft.

The photoelectric switch assembly 10 is arranged on the upper housing 30 so as to be closer to the pedal 40 and close to the rotation axis of the wheel of the balance car. It is generally located in the middle of the upper housing. The distance between the photoelectric switch assembly 10 and the pedal 40 is closer. The pedal 40 is easier to trigger the photoelectric switch assembly 10 to detect whether a person is standing on the pedal 40, which improves the accuracy and agility of pedaling induction, reduces the misjudgment of the balance car, and effectively improves the operation safety of the balance car; The photoelectric switch assembly 10 on the upper housing 30 makes the installation and maintenance of the photoelectric switch assembly 10 more convenient.

The above-mentioned embodiments are only preferred embodiments of the present utility model, and cannot be used to limit the scope of protection of the present utility model. Any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model belong to The scope of protection required by the utility model.

Claims

A photoelectric switch assembly, which is characterized in that it comprises a photoelectric switch circuit board, a photoelectric switch body, and a connector. The photoelectric switch circuit board and the control circuit board are arranged separately, and the photoelectric switch body is arranged on the photoelectric switch circuit board. Above, the connecting member connects the photoelectric switch circuit board and the control circuit board, and is used to transmit electrical signals between the photoelectric switch circuit board and the control circuit board.
The photoelectric switch assembly of claim 1, wherein the photoelectric switch body includes a U-shaped detection head.
The photoelectric switch assembly according to claim 2, characterized in that: two ends of the connector are provided with connectors, and the photoelectric switch circuit board is provided with a connector for fixing the connector, and the connector is connected with The connecting seat is plugged and matched to realize the electrical connection between the U-shaped detection head and the connector.
3. The photoelectric switch assembly of claim 3, wherein the U-shaped detection head is located on the upper surface of the photoelectric switch circuit board, and the connector is located on the lower surface of the photoelectric switch circuit board.
The photoelectric switch assembly of claim 1, wherein the connecting member is fixedly connected to the photoelectric switch circuit board.
The photoelectric switch assembly of claim 5, wherein the photoelectric switch body is located on the upper surface of the photoelectric switch circuit board, and the fixing point between the connecting member and the photoelectric switch circuit board is located on the photoelectric switch. The bottom surface of the circuit board.
The photoelectric switch assembly according to any one of claims 1 to 6, wherein the connecting member is a flexible connecting member.
8. The photoelectric switch assembly of claim 5, wherein the connecting member is a wire.
7. The photoelectric switch assembly according to any one of claims 1 to 6, wherein the connecting member is a hard connecting member with a built-in wire.
A balance vehicle, comprising a vehicle body, characterized in that: the vehicle body includes movably arranged contacts, a control circuit board, and the photoelectric switch assembly according to any one of claims 1 to 9, and the photoelectric switch circuit board passes The connecting piece is electrically connected with the control circuit board, and the photoelectric switch body is arranged corresponding to the contact and located below the contact.