CN216431072U

CN216431072U - Adjustable projection system

Info

Publication number: CN216431072U
Application number: CN202122109460.6U
Authority: CN
Inventors: 王志勋
Original assignee: Chengdu Jimi Technology Co Ltd
Current assignee: Chengdu Jimi Technology Co Ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-05-03
Anticipated expiration: 2031-09-02

Abstract

The application provides a projection system with adjustable, including adjustable support, the projecting apparatus that links to each other through the first motor of motion transmission and the one end installation of adjustable support to and the base of being connected with the second motor of the other end installation of adjustable support, have the adjustable support of first motor and second motor for the projecting apparatus can be adjusted the gesture by high efficiency and in a flexible way.

Description

Adjustable projection system

Technical Field

The present application relates to the field of control, and more particularly, to an adjustable projection system.

Background

A projector is a device that can project pictures. Currently, most projectors are fixed at a certain point and projected to a certain fixed area on the wall for displaying. The function of the projector is to be improved.

SUMMERY OF THE UTILITY MODEL

The inventors have found in the course of research that there is a need for a projector to follow the movement of a viewer projecting a picture in the course of the present use of the projector. However, the existing projector requires adjustment of the projection orientation of the projector by operating mechanical components (e.g., a turnbuckle, etc.), and has problems of low efficiency and insufficient flexibility.

The application provides a projection system with adjustable, aim at solves the problem of how to realize high-efficient and nimble regulation projecting apparatus.

In order to achieve the above object, the present application provides the following technical solutions:

an adjustable projection system, comprising:

the projector, the base and the adjustable bracket; the first motor installed at one end of the adjustable support is connected with the projector through a motion transmission device, and the second motor installed at the other end of the adjustable support is connected with the base.

Optionally, the first motor rotates in a horizontal direction and/or a vertical direction, and the second motor rotates in the vertical direction and/or the horizontal direction.

Optionally, the motion transmission device comprises: a flat key structure or a sliding key structure or a guide key structure.

Optionally, the center of gravity of the projector is at an intersection of axial extension lines of the output shafts of the first motor and the second motor.

Optionally, the support frame includes a first support arm connected to the first motor and a second support arm connected to the second motor;

the first support arm is fixedly connected with the second support arm;

the base and the support frame are outside the moving track of the projector due to the included angle formed by the first support arm and the second support arm.

Optionally, the method further includes:

a controller in data communication with the first motor and the second motor;

and the attitude sensor is in data connection with the controller.

Optionally, the first motor includes: a stepper motor or a servo motor or a steering engine; the second motor includes: a stepper motor or a servo motor or a steering engine.

The adjustable projection system comprises a projector, a base and an adjustable support. The first motor of adjustable support one end installation passes through the motion transmission and is connected with the projecting apparatus, and the base is connected to the second motor of the installation of the adjustable support other end, based on first motor and second motor, can realize the high efficiency and the nimble regulation of arbitrary gesture.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of an adjustable projection system according to an embodiment of the present disclosure;

FIG. 2a is an exemplary diagram of a projector in an adjustable projection system as disclosed in an embodiment of the present application rotating in a horizontal plane;

FIG. 2b is an exemplary diagram of a projector in an adjustable projection system according to an embodiment of the disclosure rotating in a vertical plane;

FIG. 2c is an exemplary diagram of an adjustable projection system placed on a non-horizontal surface as disclosed in an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Fig. 1 shows an adjustable projection system, which includes a projector 1, a base 2, and an adjustable bracket 3 according to an embodiment of the present application.

Wherein, the first motor 31 of adjustable support 3 one end installation is connected with projecting apparatus 1, and the second motor 32 of adjustable support 3 other end installation is connected base 2.

It is understood that the first motor 31 is connected to the projector 1 through a motion transmission device, and the second motor 32 is also connected to the base 2 through a motion transmission device. The motion transmission device includes: a flat key structure or a sliding key structure or a guide key structure.

In this embodiment, the base 2 functions as a support because the base 2 has a larger mass to realize a more stable support.

Specifically, as shown in fig. 1, the specific structure of the adjustable bracket 3 includes:

the device comprises a first motor 31, a second motor 32 and a supporting frame 33 connecting the first motor 31 and the second motor 32.

Specifically, the first motor 31 may rotate in a horizontal direction (or a vertical direction). The second motor 32 is rotatable in a vertical direction (or a horizontal direction). In this embodiment, the first motor 31 may be a stepping motor, a servo motor, or a steering engine. The second motor 32 may be a stepper motor, a servo motor, or a steering engine. That is, the first motor 31 and the second motor 32 may be of the same type or different types, and are not limited herein.

The supporting frame 33 is fixedly connected with the first motor 31 corresponding to the assembling position of the first motor 31. The supporting frame 33 is fixedly connected with the second motor 32 corresponding to the assembly position of the second motor 32, and the shape can be limited and fixed according to the actual shape of the motor.

Specifically, the support frame 33 includes a first support arm connected to the first motor 31 and a second support arm connected to the second motor 32. The first supporting arm is fixedly connected with the second supporting arm. The base and the supporting frame are enabled to be out of the moving track of the projector 1 by the included angle formed by the first supporting arm and the second supporting arm, so that the movement of the projector 1 driven by the motor is not influenced.

As shown in fig. 1, an example of the support frame 33 is an L-shaped support frame, and the function of the L-shaped support frame may include routing in addition to the connection motor, for example, the first motor 31 and the second motor 32 are respectively connected to a power supply through power lines arranged inside the L-shaped support frame.

Another example of the support bracket 33 is a circular arc support bracket or an inverted L-shaped support bracket, in addition to the L-shaped support bracket.

In the case where the rotor of the first motor 31 or the second motor 32 rotates, since the support bracket 33 is connected to the first motor 31 and the second motor 32, the support bracket 33 or the projector 1 can be rotated by the motor. The first motor 31 drives the projector 1 to rotate in the vertical plane, as shown in fig. 2 b. The second motor 32 drives the supporting frame 33 to further drive the projector 1 to rotate in the horizontal plane, as shown in fig. 2 a. It can be seen that the first motor 31 and the second motor 32 are able to provide free rotation in the horizontal plane as well as in the vertical plane. It is understood that the rotation direction may be clockwise or counterclockwise, and is not limited herein. In this embodiment, the motor may be an external rotor motor.

Optionally, in order to ensure the stability of the projector 1, the center of gravity of the projector 1 is located at the intersection of the axial extension line of the output shaft of the first motor 31 and the axial extension line of the output shaft of the second motor 32, so that the center of gravity of the projector 1 is always located right above the base 2 during rotation, and the projector 1 is not prone to toppling on a horizontal plane or an inclined plane with a small angle.

The adjustable projection system shown in fig. 1, because it has the first motor 31 and the second motor 32, can realize the transformation of any posture through the combination of the rotation of the horizontal plane and the vertical plane. Based on the characteristics of the motor, the change of the automatic control posture can be realized, and the change of the posture can also be manually controlled by a user. It is understood that the change of the manual control posture can be achieved by applying an external force to the first motor and/or the second motor without operating the mechanical assembly. In summary, the adjustable projection system of the present embodiment can be adjusted efficiently and flexibly.

The adjustable projection system shown in fig. 1 may optionally further comprise a controller (not shown in fig. 1) and a posture sensor (not shown in fig. 1).

Alternatively, the controller may be integrated in the projector 1. The attitude sensor may also be integrated in the projector 1. An example of the attitude sensor is a gyroscope, and may also be a distance measurement sensor such as a laser radar.

In the adjustable projection system of this embodiment, the implementation process of the adjustable function is as follows:

firstly, manual adjustment:

when the user manually rotates the projector 1, the first motor 31 and/or the second motor 32 rotates in response to the external force, and when the user withdraws the external force, the first motor 31 stops rotating with the second motor 32, and based on the characteristics of the motors, the motors maintain the current relative positions of the rotor and the rotating shaft, so that the posture of the projector 1 is maintained at the posture adjusted by the user rotation.

II, automatic adjustment:

the controller receives a target attitude parameter, which may be a horizontal angle and/or a vertical angle, in combination with the structure of the adjustable support. The controller controls the first motor 31 and/or the second motor 32 to rotate from the angle indicated by the current attitude parameter to the angle indicated by the target attitude parameter in response to the attitude parameter and the current attitude parameter of the projector 1 sensed by the attitude sensor.

The target posture parameter may be obtained in advance and stored, for example, a parameter corresponding to a posture after being manually adjusted in one step is used as the target posture parameter.

Thirdly, self-adaptive adjustment after position change:

assuming that the user places the projection system in a first position and adjusts the lens of the projector 1 towards the first plane, the controller records the pose parameters towards the first plane. After the projector 1 is moved from the first position to the second position, the controller calculates an attitude parameter to be rotated in response to the attitude parameter recorded toward the first plane and the attitude parameter of the second position sensed by the attitude sensor, and controls the first motor 31 and/or the second motor 32 to rotate by using the attitude parameter to be rotated, so that the lens of the projector 1 still faces the first plane, thereby realizing adaptive angle compensation of the projector 1 after the position is changed, and keeping the projection orientation of the projector 1 unchanged. As shown in fig. 2c, even when the base 2 is not flat, the projector can still project images at a certain angle.

It can be understood that, the above-mentioned specific technical implementation related to the adjustment manner of the controller can be referred to the prior art, for example, using APP control, and is not described herein again.

Therefore, the adjustable projection system can realize manual or automatic adjustment of the posture of the projector, and has the characteristics of high efficiency and flexibility based on the structure of the adjustable support.

Specifically, compared with the prior art, the method has the following advantages:

1. some supports of the existing projector can be manually adjusted, but the automatic adjustment after the position change cannot be guaranteed, and in the embodiment, the orientation of the projector after the position change can be automatically compensated and adjusted.

2. The current method for adjusting the orientation of the projector is to adjust the angle of the tripod in a mechanical fixing mode, and the horizontal direction and the pitch angle cannot be adjusted through mobile equipment and software. The automatic adjustment method described in this embodiment can realize automatic adjustment of any angle.

3. At present, the projector is adjusted by a user to project to a corresponding angle. For example, there are several usage scenarios when a projector is installed on a bed: projected onto the wall opposite the bed and projected onto the ceiling. If the two projection surfaces are switched, the orientation of the projector needs to be adjusted manually, which is very inconvenient. And the present embodiment may implement automatic adjustment.

4. At present, the scheme of a common mechanical fixing support needs to be continuously fastened by tightening and loosening when the orientation angle of the projector is adjusted, and is very troublesome. In this embodiment, the user can break the projector to an arbitrary angle, and the projector can keep the angle at once, and user experience can be greatly improved. Furthermore, the projector has the advantages of being capable of projecting at any angle and on a wall surface at will, optimizing the angle adjustment mode of the projector and further strengthening the advantages of the projector relative to a television.

The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An adjustable projection system, comprising:

2. The adjustable projection system of claim 1, wherein the first motor rotates in a horizontal direction and/or a vertical direction and the second motor rotates in the vertical direction and/or the horizontal direction.

3. The adjustable projection system of claim 1, wherein the motion transmission means comprises: a flat key structure or a sliding key structure or a guide key structure.

4. The adjustable projection system of claim 1, wherein the center of gravity of the projector is at the intersection of the axial extensions of the output shafts of the first and second motors.

5. The adjustable projection system of claim 1, wherein the adjustable mount comprises the first motor, the second motor, and a support frame;

the support frame comprises a first support arm connected with the first motor and a second support arm connected with the second motor;

the first support arm is fixedly connected with the second support arm;

6. The adjustable projection system of any of claims 1-5, further comprising:

a controller in data communication with the first motor and the second motor;

and the attitude sensor is in data connection with the controller.

7. The adjustable projection system of claim 1, wherein the first motor comprises: a stepper motor or a servo motor or a steering engine; the second motor includes: a stepper motor or a servo motor or a steering engine.