CN218888620U

CN218888620U - Bidirectional driver

Info

Publication number: CN218888620U
Application number: CN202222890323.5U
Authority: CN
Inventors: 黄晓敏; 黄文知; 梁州
Original assignee: Beijing Meitase Electronic Co ltd
Current assignee: Beijing Meitase Electronic Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-04-18
Anticipated expiration: 2032-10-31

Abstract

The present application relates to a bidirectional driver comprising: the mounting base, magnetite, mobile and electric conduction part. The magnet is arranged on the mounting seat. The movable piece is arranged on the mounting seat in a sliding mode, the movable piece is provided with a driving end, the driving end extends out of the mounting seat, the movable piece is further provided with a coil, and the coil is matched with the magnet. The opposite ends of the wire of the coil are respectively provided with a conductive device. The conductive parts are arranged on the mounting seat, the number of the conductive parts is two, and the two conductive parts are respectively matched with the conductive device. According to the electromagnetic induction principle, the magnet and the coil are arranged, so that the energized coil drives the movable piece to slide, and the driving end drives the lens cover of the camera device to move. In the sliding process of the coil, the conductive device of the coil is always in contact with the two conductive parts, current can flow through the coil by arranging the two conductive parts, the whole-process power supply to the coil is realized, the movement of the coil in the positive direction and the negative direction in the magnetic field of the magnet can be realized by changing the direction of the current, and the closing of the lens cover of the camera device is realized.

Description

Bidirectional driver

Technical Field

The application relates to the technical field of driving devices, in particular to a bidirectional driver.

Background

Along with video conferencing, videoconference, online training, live take goods rise, the prevalence of camera is more and more high, but also give and brought more peep hidden danger to, do not use the lens cap for a long time, can cause the inside collection dirt in camera surface back serious, can influence final imaging effect, consequently, the use of lens cap is especially important.

The existing lens cover is divided into manual opening and closing and driving opening and closing, the lens cover which is driven to open and close needs to be provided with a driving motor to drive the lens cover, and the structure is complex.

Disclosure of Invention

In view of this, the present application provides a bidirectional driver, which uses the electromagnetic induction principle to make a coil move linearly in a magnetic field, so as to drive a driving end of a moving part to directly drive a lens cover to open or close, and the structure is relatively simple.

According to an aspect of the present application, there is provided a bidirectional driver including:

a mounting seat, a magnet, a movable element and a conductive part;

the magnet is arranged on the mounting seat;

the movable piece is slidably arranged on the mounting seat and provided with a driving end, the driving end extends out of the mounting seat, the movable piece is also provided with a coil, and the coil is matched with the magnet;

the opposite ends of the lead of the coil are respectively provided with a conductive device;

the conductive parts are arranged on the mounting seat, the number of the conductive parts is two, and the two conductive parts are respectively matched with the conductive devices.

In a possible implementation manner, a fixing part is further provided;

the fixed parts are respectively positioned at two opposite ends of the movable part in the sliding direction, and the movable part is suitable for fixing the movable part moving to a preset position.

In one possible implementation, the mount includes a first yoke plate;

the magnet is arranged on the first yoke plate, and the first yoke plate is positioned on one side of the magnet, which is far away from the movable piece.

In a possible implementation manner, the two conductive portions are rod-shaped, the body length directions of the two conductive portions are consistent with the motion direction of the movable member, and the two conductive portions are respectively located on two opposite sides of the movable member.

In a possible implementation, the movable piece is further provided with a guide portion and a support portion;

the guide part and the supporting part are respectively positioned at two opposite sides of the movable part, and the guide part and the supporting part are respectively matched with the two conductive parts.

In a possible implementation manner, the mounting seat is further provided with a second yoke plate;

the second yoke plate is disposed through the coil.

In a possible implementation manner, the number of the magnets is two, the two magnets are respectively located on two opposite sides of the movable piece, and the homopolar poles of the two magnets are arranged oppositely.

In one possible implementation manner, the number of the first yoke plates is two, and the two yoke plates are respectively matched with the two yoke plates.

In a possible implementation manner, the number of the driving ends is two, and the two driving ends are respectively located at two opposite sides of the movable part.

In a possible implementation manner, the two conductive portions are provided with conductive ends, the two conductive ends extend out of the mounting seat, and the two conductive ends are located on the same side of the mounting seat.

In a possible implementation manner, the system further comprises a position sensing device;

the detection end of the position sensing device is arranged on the movable piece.

This application is applicable to and drives camera device's lens cap, and then realizes the control of opening and shutting of lens cap. According to the electromagnetic induction principle, the magnet and the coil are arranged, so that the electrified coil drives the movable piece to slide, and the driving end arranged on the movable piece drives the lens cover of the camera device to move. In the sliding process of the coil, the conductive device of the coil is always in contact with the two conductive parts, current can flow through the coil by arranging the two conductive parts, the whole-process power supply to the coil is realized, the movement of the coil in the positive direction and the negative direction in the magnetic field of the magnet can be realized by changing the direction of the current, and the closing of the lens cover of the camera device is realized.

Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the application and, together with the description, serve to explain the principles of the application.

FIG. 1 shows a block diagram of the main body of a bi-directional drive according to an embodiment of the present application;

FIG. 2 illustrates a partial block diagram of a bi-directional drive of an embodiment of the present application;

FIG. 3 shows a partial block diagram of a bi-directional drive of another embodiment of the present application;

FIG. 4 illustrates a partial block diagram of a bi-directional drive of an embodiment of the present application;

FIG. 5 shows a left side view of a portion of the structure of FIG. 4;

FIG. 6 shows a close-up view of a bi-directional driver of an embodiment of the present application at a fixed portion;

FIG. 7 is a schematic view showing magnetic fields of two magnets of a bi-directional driver according to an embodiment of the present application;

fig. 8 shows a main body structure diagram of a bidirectional driver according to another embodiment of the present application.

Detailed Description

Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

It should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention or for simplicity in description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.

Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present application.

Fig. 1 is a main body structure diagram of a bidirectional drive according to an embodiment of the present application. Fig. 2 shows a partial block diagram of a bidirectional drive according to an embodiment of the present application. Fig. 3 shows a partial block diagram of a bidirectional drive of another embodiment of the present application. Fig. 4 is a partial block diagram of a bidirectional drive according to an embodiment of the present application. Fig. 5 shows a left side view of a portion of the structure of fig. 4. Fig. 6 shows a partial enlarged view at the fixing portion of the bidirectional driver of an embodiment of the present application. FIG. 7 shows a schematic diagram of magnetic fields of two magnets of a bi-directional driver according to an embodiment of the present application. Fig. 8 shows a main body structure diagram of a bidirectional drive according to another embodiment of the present application. As shown in fig. 1, the bidirectional driver includes: the mounting base 100, the magnet 400, the mover 200, and the conductive portion 300. The magnet 400 is provided on the mount 100. The movable piece 200 is slidably arranged on the mounting seat 100, the movable piece 200 is provided with a driving end 220, the driving end 220 protrudes out of the mounting seat 100, the movable piece 200 is further provided with a coil 210, and the coil 210 is matched with the magnet 400. The opposite ends of the wire of the coil 210 are respectively provided with a conductive device 211. Two conductive parts 300 are provided on the mounting base 100, and the two conductive parts 300 are respectively matched with the conductive device 211.

This application is applicable to and drives camera device's lens cap, and then realizes the control of opening and shutting of lens cap. According to the electromagnetic induction principle, the magnet 400 and the coil 210 are arranged, so that the energized coil 210 drives the movable piece 200 to slide, and the driving end 220 arranged on the movable piece 200 drives the lens cover of the camera device to move. In the sliding process of the coil 210, the conductive device 211 of the coil 210 is always in contact with the two conductive parts 300, and by arranging the two conductive parts 300, current can flow through the coil 210, so that the coil 210 is powered in the whole process, and the coil 210 can move in the magnetic field of the magnet 400 in the positive and negative directions by changing the direction of the current, so that the lens cover of the camera device is closed.

Here, it should be noted that the conductive device 211 may be a brush or an FPC (flexible printed circuit board), and only needs to be conductive in the motion process, which is not limited specifically.

In one possible implementation, a fixing portion 500 is further provided. The fixing portions 500 are respectively located at two opposite ends of the movable member 200 in the sliding direction, the movable member 200 is suitable for fixing the movable member 200 moving to the preset position, and by arranging the fixing portions 500, the movable member 200 is fixed when moving to the preset position, so that the lens cover of the camera device is more stable in an opening or closing state.

Here, as shown in fig. 6, the fixing portion 500 is a magnet or a magnetic member, and the mounting base 100 is provided with a magnetic member or a magnet matched with the fixing portion, so that when the movable member 200 moves to a predetermined position, the magnetic member and the magnet attract each other to fix the movable member 200.

In one possible implementation, the mount 100 includes a first yoke plate 110. The magnet 400 is arranged on the first yoke plate 110, and the first yoke plate 110 is positioned on the side of the magnet 400 departing from the movable piece 200, so that the magnetic induction efficiency is enhanced by arranging the first yoke plate 110.

In a possible implementation manner, the two conductive portions 300 are both rod-shaped, the body length directions of the two conductive portions 300 are both consistent with the motion direction of the movable member 200, and the two conductive portions 300 are respectively located at two opposite sides of the movable member 200, so that the overall structure is relatively simple, and the production cost is effectively reduced.

In a possible implementation, the movable member 200 is further provided with a guide portion 230 and a support portion. The guide part 230 and the support part are respectively located at two opposite sides of the movable part 200, the guide part 230 and the support part are respectively matched with the two conductive parts 300, and the movable part 200 can be slidably arranged on the two conductive parts 300 by arranging the guide part 230 and the support part, so that the sliding of the movable part 200 is realized.

Here, referring to fig. 5, the two conductive portions 300 are both long round bar structures, and the guide portion 230 and the support portion are respectively a round hole and a waist hole matching with the long round bar structures, and respectively guide and support the movable member 200.

In a possible implementation, the support of the movable member 200 may be a guide groove.

In one possible implementation, the mount 100 is further provided with a second yoke plate 120. The second yoke plate 120 is disposed through the coil 210, and by disposing the second yoke plate 120, magnetic induction efficiency is further enhanced.

In one possible implementation, as shown in fig. 3, there are two magnets 400, the two magnets 400 are respectively located at two opposite sides of the movable member 200, and the two magnets 400 are oppositely arranged in the same pole to form the magnetic field shown in fig. 7, so as to further enhance the magnetic induction efficiency.

In one possible implementation manner, there are two first yoke plates 110, and the two yoke plates are respectively matched with the two yoke plates, so as to further enhance the magnetic induction efficiency.

In a possible implementation manner, the number of the driving ends 220 is two, the two driving ends 220 are respectively located at two opposite sides of the movable member 200, and the two driving ends 220 are arranged, so that the adaptability of the application is enhanced.

In a possible implementation manner, the two conductive portions 300 are provided with conductive terminals 310, the two conductive terminals 310 are both disposed to extend out of the mounting seat 100, the two conductive terminals 310 are located on the same side of the mounting seat 100, and the two conductive portions 300 are respectively and conveniently electrically connected to an external power supply by providing the two conductive terminals 310.

In a possible implementation, a position sensing device is further included. The detection end of the position sensing device is arranged on the movable piece 200, and the output end of the position sensing device is suitable for sending a position signal of the movable piece 200 obtained by the detection end to the processor, so that the adaptive equipment can obtain the current position of the movable piece 200.

Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A bi-directional driver, comprising:

a mounting seat, a magnet, a movable element and a conductive part;

the magnet is arranged on the mounting seat;

the conductive parts are arranged on the mounting seat, the number of the conductive parts is two, and the two conductive parts are respectively matched with the conductive device.

2. The bi-directional driver of claim 1, further comprising a fixing portion;

3. The bi-directional driver of claim 1, wherein the mount comprises a first yoke plate;

the magnet sets up on the first yoke board, first yoke board is located the magnet deviates from movable piece one side.

4. A bi-directional actuator as recited in claim 3 wherein both of said conductive portions are rod-shaped, the length of both of said conductive portions being aligned with the direction of movement of said movable member, and both of said conductive portions being located on opposite sides of said movable member.

5. The bi-directional driver according to claim 4, wherein said movable member is further provided with a guide portion and a support portion;

6. A bi-directional driver as claimed in claim 3, wherein said mount is further provided with a second yoke plate;

the second yoke plate is disposed through the coil.

7. A bi-directional driver according to any of claims 3 to 6, wherein there are two magnets, the two magnets are located on opposite sides of the moving member, and the two magnets are arranged with like poles facing each other.

8. The bi-directional driver of claim 7, wherein there are two first yoke plates, and two first yoke plates are respectively matched with two magnets.

9. A bi-directional driver according to claim 7 wherein said drive ends are two, said two drive ends being located on opposite sides of said movable member.

10. The bi-directional driver of claim 7, wherein both of said conductive portions have conductive terminals, both of said conductive terminals extending beyond said mounting block, both of said conductive terminals being located on the same side of said mounting block.

11. The bi-directional driver of claim 1, further comprising a position sensing device;