CN220108118U - Dual-sensor camera focusing mechanism - Google Patents

Abstract

The utility model provides a dual-sensor camera focusing mechanism, which comprises a shell, wherein the shell is provided with a first objective table for bearing a first sensor and a second sensor arranged on one side of the first sensor, and the second sensor adjusts the upper and lower positions of the second sensor through an adjusting structure; the adjusting structure comprises a lower sliding block with a first inclined surface and an upper sliding block with a second inclined surface, wherein the lower sliding block is in threaded connection with one end of an adjusting screw, the lower sliding block is pushed to move under the action of the adjusting screw, so that the upper sliding block passively moves along the first inclined surface of the lower sliding block through the second inclined surface, and a notch is formed in the shell. According to the utility model, the first sensor and the second sensor can be simultaneously arranged in the same shell space through the design of the focusing structure, so that the internal space of the dual sensors is realized intensively, the volume of the camera is reduced, and the camera is convenient to carry and install and is convenient to use in various scenes.

Description

Dual-sensor camera focusing mechanism

Technical Field

The utility model relates to the technical field of astronomical cameras, in particular to a focusing mechanism which is provided with a double-induction module and can perform simultaneous focusing on the double-induction module.

Background

Two astronomical photographic cameras are needed to be used in astronomical deep space photography, one is a main photographic camera and is used for long-time exposure, the other is a star guiding camera and is used for monitoring the position change of a shooting target astronomical in real time, and as the two astronomical cameras are two independent astronomical cameras which are respectively arranged on two different telescopes, the problem of trailing and losing of the shooting target caused by the synchronization of the two astronomical cameras is easily introduced. In order to solve the problem of target loss, two independent astronomical cameras are integrated into one camera in the prior art, and the device is simplified to achieve shooting effect improvement.

As in patent document with publication No. CN 215379068U entitled a dual-sensor camera, an astronomical camera with dual sensors is disclosed. The device comprises a first sensor and a second sensor, wherein one sensor is used for shooting and imaging, and the other sensor is used for guiding stars. The applicant has further studied to find that in the case of dual sensors, the photosensitive areas have different photosensitive capacities due to different types of sensors, and the photosensitive focal lengths of the two types of sensors are different. Typically, after determining the focal length of a camera that shoots and images, the focal length of another star sensor is adjusted to meet the shooting effect of shooting and star guiding. To this end, the applicant proposes a focusing mechanism.

Disclosure of Invention

In order to solve the above technical problems, the present utility model provides a dual-sensor camera focusing mechanism, which is used for adjusting the up-down position of one sensor of an astronomical camera with dual sensors to adjust the adaptive focal length to meet the imaging requirement.

A dual-sensor camera focusing mechanism comprises,

the shell body is provided with a plurality of grooves,

the shell is provided with a first objective table for bearing the first sensor and a second sensor arranged on one side of the first sensor, and the second sensor adjusts the upper and lower positions of the second sensor through an adjusting structure;

the adjustment structure may comprise a plurality of adjustment structures,

the lower slide block is provided with a first inclined plane and an upper slide block with a second inclined plane, the lower slide block is in threaded connection with one end of an adjusting screw rod and is pushed to move under the action of the adjusting screw rod, so that the upper slide block passively moves along the first inclined plane of the lower slide block through the second inclined plane,

and

the shell is provided with a notch, a flange sleeve for fixing the adjusting screw is arranged in the notch, and the other end of the adjusting screw is connected with the adjusting hand wheel.

Further, the second sensor is arranged on the second objective table, two ends of the second objective table are connected with the upper sliding block through guide posts, and springs are sleeved on the outer layers of the guide posts and are fixed by bolts.

Further, a notch is formed in one side of the first objective table and can be matched with the outer edge of the second objective table.

Preferably, a sealing ring is arranged between the adjusting screw and the flange sleeve.

Preferably, a sealing ring is arranged between the adjusting screw and the lower sliding block.

Preferably, the shell is internally provided with a stud, and the first object stage is fixed on the stud through a plurality of screws.

Further, the first objective table and the second objective table are both circuit boards.

Further go up the slider and include connecting portion and set up the block in the connecting portion below, the both ends of second objective table are connected with connecting portion through the guide post.

The utility model provides a dual-sensor camera focusing mechanism, which has the beneficial effects that:

the first sensor and the second sensor are photosensitive components, wherein the first sensor realizes imaging function on a photographed target celestial body through sensitization, and the second sensor realizes star guiding function through sensitization. The first sensor is fixed on the first objective table, the second sensor moves up and down to realize focusing through the adjusting structure, and the first sensor module and the photosensitive components on the first sensor module are positioned on the same focal plane. In order to simplify the adjusting structure, the upper sliding block and the lower sliding block with mutually overlapped inclined planes are used, the upper sliding block is driven to move along the inclined planes of the upper sliding block through the movement of the lower sliding block, and the second sensor is driven to move up and down along the guide post to realize focusing. According to the utility model, the first sensor and the second sensor can be simultaneously arranged in the same shell space through the design of the focusing structure, so that the internal space of the double sensors and the internal space of the double sensors are realized intensively, the volume of the camera is reduced, the whole shell can be minimized as much as possible, the volume of the double-sensor camera is reduced well, and the double-sensor camera is convenient to carry and install and use in various scenes.

Drawings

In order to more clearly illustrate the embodiments of the present utility model 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.

FIG. 1 is a schematic view of an adjustment mechanism according to the present utility model;

FIG. 2 is a schematic view of the adjusting mechanism of the present utility model disposed in a housing;

FIG. 3 is a schematic longitudinal cross-sectional view of the adjustment screw of FIG. 1;

FIG. 4 is a schematic diagram showing the combination of the upper slider and the lower slider;

fig. 5 is a second schematic diagram of the combination of the upper slider and the lower slider.

Detailed Description

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.

A dual sensor camera focus mechanism is shown in fig. 1, comprising a first stage 2 for carrying a first sensor 1 and a second stage 4 for carrying a second sensor 3. The first sensor 1 realizes imaging of the photographed astronomical image through sensitization, and the second sensor 3 realizes star guiding through sensitization. The first stage 2 is provided with a notch, and the outer edge of the first stage 4 may be fitted into the notch of the first stage 2 and moved up and down by the adjusting mechanism 5.

The adjusting mechanism includes an upper slider 51 and a lower slider 52, wherein the upper slider 51 has a first inclined surface and the lower slider 52 has a second inclined surface, as shown in fig. 4 and 5. The upper slider 51 is further provided with a connecting portion 53, and the connecting portion 53 may be integrally formed with the upper slider 51 or may be detachably connected with the upper slider. The two ends of the connecting part 53 are provided with guide posts 54 and are sleeved with springs 55 and are limited by bolts 56. The lower slider 52 is provided with a connecting hole 57 for abutting against the adjusting screw rod 6, an internal thread is arranged at the position of the lower slider 52 corresponding to the connecting hole 57, and an external thread adjusting screw rod 6 is arranged on the adjusting screw rod 6 to rotate and push the lower slider 52 to move. The lower slider 52 moves along the upper slider 51 such that the upper slider 51 passively moves upward along the second inclined surface of the lower slider 52, and the connection portion 53 moves upward in the direction of the guide post 54. The reverse rotation adjusting screw 6 applies downward force to the connecting portion 53 by the spring 55 sleeved on the outer side of the guide post 54, so that the upper slider 52 moves downward along the second inclined surface of the lower slider 52. By the above-described movement, the second sensor 3 provided on the adjustment mechanism 5 is moved up and down so as to be maintained on the same focal plane as the first sensor 1.

Fig. 3 is a schematic view of a longitudinal section 6 of an adjusting screw, one end of the adjusting screw 6 is connected with an adjusting hand wheel 61, the adjusting hand wheel 61 is rotated to drive the adjusting screw 6 to rotate, a shaft sleeve 62 is sleeved on the outer side of the adjusting screw 6, and a sealing ring 63 is arranged on one side of the shaft sleeve 62.

Fig. 2 shows a schematic view of the adjusting mechanism 5 placed in the housing 7, wherein a notch is provided at one side of the housing 7, the adjusting screw 6 passes through the notch, and the adjusting hand wheel 61 is externally arranged at the outer side of the housing 7. The first stage 2 is fixed to the bottom of the housing 7 by a stud. When focusing is performed, the adjusting hand wheel 61 is rotated, the adjusting screw 6 is rotated to push the lower slider 52 to move so as to drive the upper slider 51 to move along the lower slider 52, and the lower slider 52 is moved to drive the connecting part 53 to move up and down along the guide post 54 so as to drive the second sensor 3 to move up and down to keep consistent with the focal plane of the first sensor 1.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (8)

1. A dual-sensor camera focusing mechanism is characterized in that the dual-sensor camera focusing mechanism comprises,

the shell body is provided with a plurality of grooves,

the shell is provided with a first objective table for bearing the first sensor and a second sensor arranged on one side of the first sensor, and the second sensor adjusts the upper and lower positions of the second sensor through an adjusting structure;

the adjustment structure may comprise a plurality of adjustment structures,

the lower slide block is provided with a first inclined plane and an upper slide block with a second inclined plane, the lower slide block is in threaded connection with one end of an adjusting screw rod and is pushed to move under the action of the adjusting screw rod, so that the upper slide block passively moves along the first inclined plane of the lower slide block through the second inclined plane,

and

the shell is provided with a notch, a flange sleeve for fixing the adjusting screw is arranged in the notch, and the other end of the adjusting screw is connected with the adjusting hand wheel.

2. The dual-sensor camera focusing mechanism according to claim 1, wherein the second sensor is arranged on the second objective table, two ends of the second objective table are connected with the upper slider through guide posts, and the outer layers of the guide posts are sleeved with springs and fixed by bolts.

3. The dual sensor camera focusing mechanism of claim 2, wherein the first stage has a notch on one side and is adapted to fit the outer edge of the second stage.

4. The dual sensor camera focus adjustment mechanism of claim 2, wherein a seal ring is disposed between the adjustment screw and the flange sleeve.

5. The dual sensor camera focusing mechanism of claim 2, wherein a sealing ring is disposed between the adjusting screw and the lower slider.

6. The dual sensor camera focusing mechanism of claim 2, wherein the housing is internally provided with a stud, and the first stage is secured to the stud by a plurality of screws.

7. The dual sensor camera focusing mechanism of claim 2, wherein the first stage and the second stage are each circuit boards.

8. The dual sensor camera focusing mechanism of claim 2, wherein the upper slider comprises a connecting portion and a block disposed below the connecting portion, and two ends of the second stage are connected to the connecting portion through guide posts.