Imaging device with image stabilization function

Abstract

The utility model relates to an imaging device with an image stabilization function. The imaging device comprises a detector; the X-direction moving assembly is used for installing the detector and driving the detector to linearly move in the X direction; the Y-direction moving assembly is used for installing the X-direction moving assembly and driving the detector and the X-direction moving assembly to synchronously and linearly move in the direction; the moving distance detection unit is used for obtaining the moving distance of the X-direction moving assembly and / or obtaining the moving distance of the Y-direction moving assembly; and the control unit is connected with the moving distance detection unit, and controls the movement of the X-direction moving assembly according to the moving distance of the X-direction moving assembly, and / or controls the movement of the Y-direction moving assembly according to the moving distance of the Y-direction moving assembly. Movement compensation of the detector is achieved through movement of the X-direction moving assembly and the Y-direction moving assembly, so that two-axis image stabilization is achieved, and the problem that images are unstable and unclear due to shaking is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of imaging devices, and particularly relates to an imaging device with an image stabilization function. Background Art

[0002] When a handheld imaging device (including an infrared imaging device) is in use, it is usually in a handheld or moving state. At this time, the lens will shake, further resulting in unstable and unclear images. Although there have been technical solutions for anti-shake through various algorithms, these solutions generally have defects such as large computational amount, high requirements for chip operation, and high cost. Summary of the Utility Model

[0003] The purpose of the utility model is to provide an imaging device with an image stabilization function, which realizes the movement compensation of the detector by the movement of the X-direction movement component and the Y-direction movement component to achieve two-axis image stabilization, thereby improving the problems of unstable and unclear images caused by shaking.

[0004] To achieve the above purpose, the utility model provides the following technical solutions:

[0005] An imaging device with an image stabilization function is provided, which includes:

[0006] A detector;

[0007] An X-direction movement component, which is used to install the detector and drive the detector to linearly move in the X direction;

[0008] A Y-direction movement component, which is used to install the X-direction movement component and drive the detector and the X-direction movement component to linearly move synchronously in the Y direction;

[0009] A movement distance detection unit, which is used to obtain the movement distance of the X-direction movement component and / or obtain the movement distance of the Y-direction movement component;

[0010] A control unit, which is connected to the movement distance detection unit and controls the movement of the X-direction movement component according to the movement distance of the X-direction movement component and / or controls the movement of the Y-direction movement component according to the movement distance of the Y-direction movement component.

[0011] Preferably, the X-direction movement component includes:

[0012] A first moving frame, which has a first accommodation cavity for installing a detector;

[0013] An X-direction guide rod installation position, which is connected to the first moving frame and is provided with a first threaded hole;

[0014] An X guiding rod, which extends in the X direction and is arranged through the first threaded hole of the X guiding rod mounting position and is in threaded fit with the first threaded hole;

[0015] An X-direction secondary rod mounting position, which connects the first moving frame and is provided with a first through hole;

[0016] An X-direction secondary rod, which extends in the X direction and is arranged through the first through hole of the X-direction secondary rod mounting position;

[0017] And an X-direction driving motor, which has a rotational output end, and the rotational output end is connected to the X guiding rod to drive the X guiding rod to rotate.

[0018] Preferably, the X-direction moving assembly includes:

[0019] A first spring, which is sleeved on the end of the X guiding rod, and one end is connected to the X guiding rod and the other end is connected to the X-direction secondary rod mounting position.

[0020] Preferably, the first threaded hole is a round hole, and the first through hole is a round hole or an oval hole.

[0021] Preferably, the X guiding rod mounting position and the first moving frame, and / or, the X-direction secondary rod mounting position and the first moving frame can be integrally formed.

[0022] Preferably, the Y-direction moving assembly includes:

[0023] A second moving frame, which has a second accommodation cavity for mounting the X-direction moving assembly;

[0024] A Y guiding rod mounting position, which connects the second moving frame and is provided with a second threaded hole;

[0025] A Y guiding rod, which extends in the Y direction and is arranged through the second threaded hole of the Y guiding rod mounting position and is in threaded fit with the second threaded hole;

[0026] A Y-direction secondary rod mounting position, which connects the second moving frame and is provided with a second through hole;

[0027] A Y-direction secondary rod, which extends in the Y direction and is arranged through the second through hole of the Y-direction secondary rod mounting position;

[0028] And a Y-direction driving motor, which has a rotational output end, and the rotational output end is connected to the Y guiding rod to drive the Y guiding rod to rotate.

[0029] Preferably, the Y-direction moving assembly further includes: a second spring, which is sleeved on the end of the Y guiding rod, and one end is connected to the Y guiding rod and the other end is connected to the Y-direction secondary rod mounting position.

[0030] Preferably, the second threaded hole is a round hole, and the second through hole is a round hole or an oval hole.

[0031] Preferably, the Y guide rod mounting position and the second moving frame, and / or the Y secondary rod mounting position and the second moving frame can be integrally formed.

[0032] Preferably, the imaging device further includes:

[0033] A base having a base accommodation cavity for mounting an X-direction moving component, a Y-direction moving component, a moving distance detection unit, and a control unit;

[0034] A cover for closing the base accommodation cavity after the X-direction moving component and the Y-direction moving component are mounted in the base accommodation cavity.

[0035] In summary, compared with the prior art, the present utility model has the following beneficial effects:

[0036] The present utility model realizes image stabilization through the structural design of mechanical anti-shake. It uses the movement of the X-direction moving component and the Y-direction moving component to achieve the movement compensation of the detector, so as to achieve two-axis image stabilization, thereby improving the problems of unstable, unclear pictures and poor image quality caused by jitter. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 is a schematic diagram of the overall structure of the imaging device in the present utility model;

[0038] Figure 2 is an exploded view of the structure of the imaging device in the present utility model;

[0039] Figure 3 is a schematic diagram of the overall structure of the second moving frame in the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0040] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0041] Embodiment 1

[0042] As Figure 1-2 shown, this embodiment provides an imaging device with an image stabilization function, which includes:

[0043] Detector 1; in this embodiment, the detector 1 includes an infrared detector and a visible light detector, and when the detector 1 is an infrared detector and a visible light detector respectively, the imaging device corresponds to an infrared imaging device and a visible light imaging device;

[0044] An X-direction moving component, which is used to mount the detector 1 and drive the detector 1 to move linearly in the X direction;

[0045] A Y-direction moving component, which is used to mount the X-direction moving component and drive the detector 1 and the X-direction moving component to move linearly in the Y direction synchronously;

[0046] A moving distance detection unit, which is used to obtain the moving distance of the X-direction moving component and / or obtain the moving distance of the Y-direction moving component;

[0047] A control unit 2, which is connected to the moving distance detection unit and controls the movement of the X-direction moving component according to the moving distance of the X-direction moving component, and / or controls the movement of the Y-direction moving component according to the moving distance of the Y-direction moving component, so that the detector 1 can move to a predetermined position quickly and accurately to achieve stable imaging.

[0048] Thus, in this embodiment, the movement compensation of the detector 1 can be realized by the movement of the X-direction moving component and the Y-direction moving component to achieve two-axis image stabilization, so as to avoid the problem of poor image quality caused by jitter.

[0049] Further, the X-direction moving component includes:

[0050] A first moving frame 3, which has a first accommodation cavity 31 for mounting the detector 1;

[0051] An X-direction guide rod mounting position 4, which is connected to the top of the first moving frame 3 and is provided with a first threaded hole;

[0052] An X-direction guide rod 5, which extends in the X direction and passes through the first threaded hole of the X-direction guide rod mounting position 4 and is threadedly engaged with the first threaded hole;

[0053] An X-direction secondary rod mounting position 6, which is connected to the bottom of the first moving frame 3 and is provided with a first through hole;

[0054] An X-direction secondary rod 5', which extends in the X direction and passes through the first through hole of the X-direction secondary rod mounting position 6;

[0055] and an X-direction driving motor 7, which has a rotational output end, and the rotational output end is connected to the X-direction guide rod 5 to drive the X-direction guide rod 5 to rotate. Further, through the screw drive between the X-direction guide rod 5 and the first threaded hole, the first moving frame 3 and the detector 1 are synchronously linearly moved in the X direction.

[0056] Further, the X-direction guide rod mounting position 4 and the first moving frame 3, and / or the Y-direction sub-guide rod mounting position 6 and the first moving frame 3 can be integrally formed. And the first threaded hole is a round hole, the first through hole is a round hole or an oval hole, and there can be several X-direction guide rod mounting positions 4 and Y-direction sub-guide rod mounting positions 6.

[0057] As Figure 2-3 shown, the Y-direction moving assembly includes:

[0058] A second moving frame 8, which has a second accommodation cavity 81 for mounting the X-direction moving assembly;

[0059] A Y-direction guide rod mounting position 9, which is connected to one side of the second moving frame 8 and is provided with a second threaded hole 91;

[0060] A Y-direction guide rod 10, which extends in the Y direction and passes through the second threaded hole of the Y-direction guide rod mounting position 9 and is in threaded cooperation with the second threaded hole;

[0061] A Y-direction sub-guide rod mounting position 11, which is connected to the other side of the second moving frame 8 and is provided with a second through hole 111;

[0062] A Y-direction sub-guide rod 12, which extends in the Y direction and passes through the second through hole of the Y-direction sub-guide rod mounting position 11;

[0063] and a Y-direction driving motor 13, which has a rotational output end, and the rotational output end is connected to the Y-direction guide rod 10 to drive the Y-direction guide rod 10 to rotate. Further, through the screw drive between the Y-direction guide rod 10 and the second threaded hole, the first moving frame 3, the second moving frame 8 and the detector 1 are synchronously linearly moved in the Y direction.

[0064] Further, the Y-direction guide rod mounting position 9 and the second moving frame 8, and / or the Y-direction sub-guide rod mounting position 11 and the second moving frame 8 can be integrally formed. And the second threaded hole 91 is a round hole, the second through hole 111 is a round hole or an oval hole, and there can be several Y-direction guide rod mounting positions 9 and Y-direction sub-guide rod mounting positions.

[0065] Therefore, in this embodiment, the precise cooperation between the circular first threaded hole, the second threaded hole 91 and the X guide rod 5, Y guide rod 10 can ensure the smoothness and precision of the movement. At the same time, the cooperation between the X auxiliary rod 5, Y auxiliary rod 12 and the first through hole, second through hole 111 is used to balance the force, so as to ensure that the X-direction moving component and Y-direction moving component can move linearly.

[0066] In addition, in this embodiment, the moving distance detection unit includes a first Hall sensor 14 connected to the first moving frame 3 of the X-direction moving component, which is used to obtain the moving distance of the first moving frame 3 as the distance of the X-direction moving component, and / or a second Hall sensor 15 connected to the second moving frame 8 of the Y-direction moving component, which is used to obtain the moving distance of the second moving frame 8 as the distance of the Y-direction moving component.

[0067] On this basis, the control unit 2 is connected to the X-direction driving motor 7 of the X-direction moving component, and controls the operation of the X-direction driving motor 7 according to the moving distance of the X-direction moving component (including controlling the rotation speed of the X-direction driving motor 7, etc.), so as to realize the moving control of the X-direction moving component, and / or controls the operation of the Y-direction driving motor 13 according to the moving distance of the Y-direction moving component (including controlling the rotation speed of the Y-direction driving motor 13, etc.), so as to realize the moving control of the Y-direction moving component. Preferably, the control unit 2 includes an FPC board.

[0068] Embodiment 2:

[0069] The difference between this embodiment and Embodiment 1 is only that, as Figure 2 shown, the X-direction moving component further includes:

[0070] A first spring 16, which is sleeved on the end of the X guide rod 5, and one end is connected to the X guide rod 5, and the other end is connected to the X auxiliary rod mounting position 6.

[0071] The Y-direction moving component further includes:

[0072] A second spring 17, which is sleeved on the end of the Y guide rod 10, and one end is connected to the Y guide rod 10, and the other end is connected to the Y auxiliary rod mounting position 11.

[0073] Preferably, there are two first springs 16, which are respectively sleeved on the two ends of the X guide rod 5, and there are two second springs 17, which are respectively sleeved on the two ends of the Y guide rod 10. Thus, the spring action can eliminate the movement clearance and increase the movement buffer.

[0074] Embodiment 3:

[0075] The difference between this embodiment and Embodiment 1 or 2 is only that, asFigure 1-2 As shown, the imaging device further includes:

[0076] A base 18 having a base accommodation cavity 181 for mounting an X-direction moving component, a Y-direction moving component, a moving distance detection unit, and a control unit 2;

[0077] A cover 19 for closing the base accommodation cavity 181 after the X-direction moving component and the Y-direction moving component are mounted in the base accommodation cavity 181;

[0078] And a detector control module 20 connected to the detector 1 for controlling the detector 1 to perform corresponding actions. Preferably, the detector control module also includes an FPC board.

[0079] In summary, the present application uses a mechanical anti-shake structural design to achieve image stabilization. Specifically, it uses the movement of the X-direction moving component and the Y-direction moving component to achieve movement compensation of the detector, so as to achieve two-axis image stabilization, thereby improving the problems of unstable, unclear images and poor image quality caused by jitter.

[0080] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An imaging device with image stabilization function, characterized in that: include: detector; An X-direction moving assembly, which is used to install the detector and drive the detector to move linearly in the X direction; A Y-direction moving assembly, which is used to install the X-direction moving assembly and drive the detector and the X-direction moving assembly to move linearly in a synchronous direction; A moving distance detection unit, which is used to obtain the moving distance of the X-direction moving component and / or to obtain the moving distance of the Y-direction moving component; A control unit is connected to the moving distance detection unit and controls the movement of the X-direction moving component according to the moving distance of the X-direction moving component and / or controls the movement of the Y-direction moving component according to the moving distance of the Y-direction moving component.

2. The imaging device according to claim 1, wherein The X-direction moving component comprises: A first movable frame having a first accommodating cavity for installing the detector; An X-guide rod installation position, which is connected to the first moving frame and has a first threaded hole; An X-guide rod extending upward in the X direction and passing through the first threaded hole of the X-guide rod mounting position and threadedly engaged with the first threaded hole; An X-axis auxiliary rod installation position, which is connected to the first moving frame and has a first through hole; An X-direction auxiliary rod extending in the X direction and passing through the first through hole of the X-direction auxiliary rod mounting position; And an X-axis driving motor, which has a rotation output end, and the rotation output end is connected to the X-guide rod to drive the X-guide rod to rotate.

3. The imaging device according to claim 2, wherein: The X-direction moving component comprises: The first spring is sleeved on the end of the X-guide rod, and one end of the first spring is connected to the X-guide rod, and the other end of the first spring is connected to the X-direction auxiliary rod mounting position.

4. The imaging device according to claim 2, wherein: The first threaded hole is a circular hole, and the first through hole is a circular hole or an elliptical hole.

5. The imaging device according to claim 2, wherein: The X-direction guide rod mounting position and the first moving frame, and / or the X-direction auxiliary rod mounting position and the first moving frame can be integrally formed.

6. The imaging device according to claim 1, wherein The Y-direction moving component comprises: A second moving frame having a second accommodating cavity for installing the X-axis moving component; A Y guide rod installation position, which is connected to the second moving frame and has a second threaded hole; A Y guide rod extending upward in the Y direction and passing through the second threaded hole of the Y guide rod installation position and threadedly engaged with the second threaded hole; A Y-axis auxiliary rod installation position, which is connected to the second moving frame and has a second through hole; A Y-direction auxiliary rod extending in the Y direction and passing through the second through hole of the Y-direction auxiliary rod installation position; And a Y-axis driving motor, which has a rotation output end, and the rotation output end is connected to the Y guide rod to drive the Y guide rod to rotate.

7. The imaging device according to claim 6, characterized in that The Y-direction moving assembly also includes: a second spring, which is sleeved on the end of the Y-guide rod, and one end of which is connected to the Y-guide rod, and the other end of which is connected to the Y-direction auxiliary rod mounting position.

8. The imaging device according to claim 6, characterized in that The second threaded hole is a circular hole, and the second through hole is a circular hole or an elliptical hole.

9. The imaging device according to claim 6, characterized in that The Y-guide rod mounting position and the second movable frame, and / or the Y-direction auxiliary rod mounting position and the second movable frame can be integrally formed.

10. The imaging device according to claim 1, wherein The imaging device further comprises: A base having a base accommodating cavity for installing an X-axis moving component, a Y-axis moving component, a moving distance detection unit, and a control unit; The sealing cover is used to seal the base accommodating cavity after the X-axis moving component and the Y-axis moving component are installed in the base accommodating cavity.

Images