CN219811078U

CN219811078U - Anti-shake zenith lens and telescope formed by same

Info

Publication number: CN219811078U
Application number: CN202321182869.3U
Authority: CN
Inventors: 焦志涛; 刘川漾
Original assignee: Chengdu Dingxin Precision Control Technology Co ltd
Current assignee: Chengdu Dingxin Precision Control Technology Co ltd
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2023-10-10
Anticipated expiration: 2033-05-16

Abstract

The utility model provides an anti-shake zenith lens and a telescope formed by the same, wherein the anti-shake zenith lens comprises a shell with two lens barrels, a reflecting mirror arranged in the shell, and a reflecting light path formed between the two lens barrels and the reflecting mirror; the reflector is arranged in the shell through an anti-shake device. In addition, the telescope comprises an objective lens, an ocular lens and the anti-shake zenith lens; the objective lens and the ocular lens are respectively connected with the two lens barrels of the anti-shake zenith lens. According to the utility model, the reflector is driven to swing in a pitching manner in two different directions through the anti-shake device so as to offset shake of the telescope, and a clearer image can be obtained during observation.

Description

Anti-shake zenith lens and telescope formed by same

Technical Field

The utility model relates to the technical field of telescopes, in particular to an anti-shake zenith lens and a telescope formed by the same.

Background

The zenith mirror is a telescope accessory which is designed for conveniently observing a target and can realize light path reflection bending. The traditional zenith mirror structure is shown in fig. 1, and comprises a shell, wherein two lens barrels perpendicular to each other are arranged on the shell, a reflecting mirror is arranged inside the shell, the two lens barrels and the reflecting mirror form a reflecting light path, and when a zenith mirror is arranged on an astronomical telescope, an observer does not need to lean on a head to a large extent when observing a zenith mirror, so that the observation process is easier.

However, the traditional zenith lens does not have an anti-shake function, and in the observation process, the astronomical telescope can synchronously amplify tiny shake when amplifying a target, and even if the astronomical telescope is arranged on a tripod, obvious shake of an image is often caused by human hand touch, wind blowing micro-motion and other reasons, so that the observation effect is affected. Therefore, the utility model designs the zenith lens with the anti-shake function, which can provide the astronomical telescope with the anti-shake function so as to improve the observation effect.

Disclosure of Invention

In order to solve the existing problems, the utility model designs the zenith lens with the anti-shake function, which can provide the anti-shake function for the astronomical telescope so as to improve the observation effect.

An anti-shake zenith lens comprises a shell with an objective lens barrel and an eyepiece lens barrel, a reflecting mirror arranged in the shell, and a reflecting light path formed among the objective lens barrel, the reflecting mirror and the eyepiece lens barrel; the reflector is arranged in the shell through an anti-shake device.

Further, the anti-shake device comprises a rotary support frame, a reflector mounting frame arranged on the rotary support frame, and a driving assembly respectively connected with the rotary support frame and the reflector mounting frame; the driving assembly can drive the rotating bracket frame and the reflector mounting frame to do pitching and swinging in a first direction and a second direction respectively, and the first direction and the second direction are mutually perpendicular; the reflector is arranged at the top of the reflector mounting frame.

The driving assembly comprises an inner shaft magnetic steel arranged on the reflector mounting frame, an inner shaft driving circuit board arranged on the rotating support frame, an inner shaft driving coil and an inner shaft Hall sensor which are electrically connected with the inner shaft driving circuit board, an outer shaft magnetic steel arranged on the placing support frame, a main control circuit board arranged in the shell, and an outer shaft driving coil, an outer shaft Hall sensor and a gyroscope which are electrically connected with the main control circuit board; the inner shaft driving coil and the inner shaft Hall sensor are arranged opposite to the inner shaft magnetic steel, the outer shaft driving coil and the outer shaft Hall sensor are arranged opposite to the outer shaft magnetic steel, and the inner shaft driving circuit board is electrically connected with the main control circuit board.

The two opposite sides of the rotary support frame are respectively provided with an outer shaft supporting shaft, and the two outer shaft supporting shafts are respectively arranged on the two opposite side plates of the shell through outer shaft bearings, so that the rotary support frame can pitch and swing by taking the outer shaft supporting shafts as fulcrums.

The opposite sides of the reflector mounting frame are respectively provided with an inner shaft supporting shaft, and the two inner shaft supporting shafts are respectively mounted on the rotating support frame through inner shaft bearings, so that the reflector mounting frame can pitch and swing by taking the inner shaft supporting shafts as fulcrums.

The bottom plate of shell is provided with the bottom fixed slot, is provided with the side fixed slot on its curb plate, main control circuit board inserts and establishes in bottom fixed slot and side fixed slot.

A telescope comprises an objective lens, an ocular lens and the anti-shake zenith lens; the objective lens is connected with an objective lens cone of the anti-shake zenith lens, and the ocular lens is connected with an ocular lens cone of the anti-shake zenith lens.

Compared with the prior art, the embodiment of the utility model has the following beneficial effects: according to the utility model, the reflector is driven to swing in a pitching manner in two different directions through the anti-shake device so as to offset shake of the telescope, and a clearer image can be obtained during observation.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. Like reference symbols in the various drawings indicate like elements. Wherein,,

fig. 1 is a cross-sectional view of a conventional zenith lens.

Fig. 2 is an exploded view of the zenith lens of the present utility model.

Fig. 3 is an exploded view of the anti-shake apparatus of the present utility model.

Fig. 4 is a block diagram of a telescope according to the present utility model.

The reference numerals in the above figures are: 1-objective lens, 2-eyepiece lens, 3-casing, 4-anti-shake device, 5-side plate, 6-objective lens barrel, 7-bottom fixed slot, 8-side fixed slot, 9-eyepiece lens barrel, 21-reflector, 22-reflector mounting rack, 23-inner shaft magnetic steel, 24-rotating bracket frame, 25-inner shaft driving circuit board, 26-outer shaft magnetic steel, 27-main control circuit board, 28-outer shaft Hall sensor, 29-outer shaft driving coil, 30-inner shaft bearing and 31-outer shaft supporting shaft.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that if the terms "first," "second," and the like are referred to in the description of the present utility model and the claims and the above figures, they are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. Furthermore, if the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present utility model, if the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like are referred to, the indicated azimuth or positional relationship is based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

Further, in the present utility model, the terms "mounted," "configured," "provided," "connected," "sleeved," and the like are to be construed broadly if they relate to. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Example 1

As shown in fig. 2, the present embodiment discloses an anti-shake zenith lens, which comprises a housing 3, wherein a mounting cavity is formed in the housing 3, and a reflecting lens 21 is mounted in the mounting cavity through an anti-shake device 4. The top of the shell 3 is provided with two sloping plates which are mutually perpendicular, so that the top of the shell 3 is triangular. The two inclined plates are respectively provided with a lens cone 6 which is arranged perpendicular to the inclined plates, and a reflection light path is formed between the two lens cones 6 and the reflecting mirror 21, namely, light enters the shell 3 from one lens cone 6 and is emitted out of the shell 3 from the other lens cone 6 after passing through the reflecting mirror 21. The mirror 21 in this embodiment is selected from a common 1.25 inch gauge mirror.

As shown in fig. 3, the anti-shake apparatus 4 includes a rotation bracket frame 24, a mirror mount 22, and a driving assembly. When the mirror is installed, the rotating bracket frame 24 is connected to the two opposite side plates 5 of the shell 3, the mirror installation frame 22 is installed on the rotating bracket frame 24, the mirror 21 is installed on the top of the mirror installation frame 22, and the driving assembly is connected with the rotating bracket frame 24 and the mirror installation frame 22.

The drive assembly is capable of driving the swivel bracket frame 24 and the mirror mount 22 to tilt in a first direction and a second direction, respectively, and the first direction and the second direction are perpendicular to each other. For example, the drive assembly can drive the swivel bracket frame 24 to pitch in the left-right direction and can drive the mirror mount 22 to pitch in the front-rear direction.

In order to enable the swivel bracket frame 24 and the mirror mounting frame 22 to swing in a pitching manner, as shown in fig. 2 and 3, one outer shaft support shaft 31 is provided on each of opposite sides of the swivel bracket frame 24, and corresponding outer shaft bearings are mounted on each of opposite side plates 5 of the housing 3, and the two outer shaft support shafts 31 are mounted in bearing holes of the outer shaft bearings so that the two outer shaft support shafts 31 are mounted on the opposite side plates 5 of the housing 3 through the outer shaft bearings, respectively, whereby the swivel bracket frame 24 can swing in a pitching manner about the outer shaft support shafts 31 as fulcrums.

In addition, the opposite sides of the mirror mounting frame 22 are respectively provided with an inner shaft support shaft, and the two inner shaft support shafts are respectively mounted on the opposite sides of the rotating bracket frame 24 through the inner shaft bearings 30 in the same manner as the rotating bracket frame 24, so that the mirror mounting frame 22 can pitch and swing with the inner shaft support shafts as fulcrums.

Specifically, the driving assembly comprises an inner shaft magnetic steel 23, an inner shaft driving circuit board 25, an inner shaft driving coil, an inner shaft Hall sensor, an outer shaft magnetic steel 26, a main control circuit board 27, an outer shaft driving coil 29, an outer shaft Hall sensor 28 and a gyroscope. The inner shaft magnetic steel 23 is fixedly arranged on the reflector mounting frame 22, the inner shaft driving circuit board 25 is arranged on the rotating bracket frame 24, and the inner shaft driving coil and the inner shaft Hall sensor are both arranged on the inner shaft driving circuit board 25 and are electrically connected with the inner shaft driving circuit board 25. The inner shaft driving coil and the inner shaft hall sensor are arranged opposite to the inner shaft magnetic steel 23, when the inner shaft driving circuit board 25 electrifies the inner shaft driving coil, the inner shaft driving coil can drive the inner shaft magnetic steel 23, so that the reflector mounting frame 22 can pitch and swing by taking the inner shaft supporting shaft as a fulcrum, and the inner shaft hall sensor can acquire the rotation angle of the inner shaft magnetic steel 23.

In addition, outer shaft magnetic steel 26 is provided on placement frame 24. The bottom plate of the shell 3 is provided with a bottom fixing groove 7, the side plate 5 of the bottom fixing groove is provided with a side fixing groove 8, and the main control circuit board 27 is inserted into the bottom fixing groove 7 and the side fixing groove 8, so that the main control circuit board 27 is fixed in the shell 3. The outer shaft driving coil 29 and the outer shaft hall sensor 28 are disposed on the main control circuit board 27, and are electrically connected with the main control circuit board 27. The outer shaft driving coil 29 and the outer shaft hall sensor 28 are arranged opposite to the outer shaft magnetic steel 26, when the main control circuit board 27 electrifies the outer shaft driving coil 29, the outer shaft driving coil 29 drives the outer shaft magnetic steel 26 to enable the rotary support frame 24 to pitch and swing by taking the outer shaft supporting shaft 31 as a fulcrum, and the outer shaft hall sensor 28 acquires the rotation angle of the outer shaft magnetic steel 26. The gyroscope is also arranged on the main control circuit board 27 and is electrically connected with the main control circuit board 27, and is used for acquiring the shake motion data of the zenith mirror.

In this embodiment, the inner shaft drive coil and the outer shaft drive coil 29 can each be realized by a circular coil having a diameter of 10mm and a thickness of 1 mm. The inner shaft magnetic steel 23 and the outer shaft magnetic steel 26 are 15×8×1mm in specification, and the magnetization direction is width magnetization. The outer shaft hall sensor 28 and the inner shaft hall sensor both adopt SS49E sensors, and the gyroscope adopts ICM20602 gyroscope sensors.

The inner shaft driving circuit board 25 is connected to the main control circuit board 27 by flexible connection flat cables, so that the swinging of the rotating bracket frame 24 and the mirror mounting frame 22 is not affected. The main control circuit board 27 is used as a controller of the anti-shake device, and a GD32L233 low-power consumption singlechip is used as a processor to receive and process information of each sensor; the main control circuit board 27 may be provided with a USB interface, the USB communication chip is a CH341 chip, and the side plate of the housing 3 may be provided with a through hole for extending the USB interface, and the inner shaft driving circuit board 25 and the main control circuit board 27 are conventional techniques, which will not be described herein.

When the zenith mirror shakes, the gyroscope detects pitch angle speed data of the zenith mirror, so that a pitching movement target amount is obtained, the inner shaft Hall sensor detects moving distance data of the zenith mirror and the inner shaft magnetic steel 23 as a control feedback amount, the feedback amount and the target amount are input into a feedback control algorithm, a control output amount is calculated, and the inner shaft driving coil is driven to push the inner shaft magnetic steel 23 to deflect, so that the reflector mounting frame 22 performs corresponding pitching movement. At the same time, the outer shaft hall sensor 28 detects the moving distance data between the outer shaft hall sensor 28 and the outer shaft magnetic steel 26 as a control feedback quantity, inputs the feedback quantity and a target quantity into a feedback control algorithm, calculates a control output quantity, and makes the outer shaft driving coil 29 work to drive the outer shaft magnetic steel 26 to swing, so that the rotating support frame 24 makes corresponding pitching swing, and the influence of the shaking of the zenith lens on the image is counteracted.

Example 2

As shown in fig. 4, the present embodiment discloses a telescope, which includes an objective lens 1, an eyepiece lens 2, and an anti-shake zenith lens described in embodiment 1, wherein the objective lens 1 is connected to an objective lens barrel 6 of the anti-shake zenith lens, and the eyepiece lens 2 is connected to an eyepiece lens barrel 9 of the anti-shake zenith lens. Through setting up anti-shake zenith mirror, can make the telescope possess anti-shake function. In this embodiment, the objective lens selects a conventional objective lens of an astronomical telescope with a focal length of 1000mm, and the eyepiece lens uses a wide-angle eyepiece lens with a focal length of 20mm, and the actual magnification is 50 times.

It should be noted that all of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except mutually exclusive features and/or steps.

In addition, the foregoing detailed description is exemplary, and those skilled in the art, having the benefit of this disclosure, may devise various arrangements that, although not explicitly described herein, are within the scope of the present disclosure. It should be understood by those skilled in the art that the present description and drawings are illustrative and not limiting to the claims. The scope of the utility model is defined by the claims and their equivalents.

Claims

1. An anti-shake zenith lens comprises a shell (3) with an objective lens barrel (6) and an eyepiece lens barrel (9), a reflecting mirror (21) arranged in the shell (3), and a reflecting light path formed among the objective lens barrel (6), the reflecting mirror (21) and the eyepiece lens barrel (9); the anti-shake device is characterized in that the reflecting mirror (21) is arranged in the shell (3) through the anti-shake device (4);

the anti-shake device (4) comprises a rotary support frame (24), a reflector mounting frame (22) arranged on the rotary support frame (24), and a driving assembly respectively connected with the rotary support frame (24) and the reflector mounting frame (22); the driving assembly can drive the rotating bracket frame (24) and the reflector mounting frame (22) to do pitching and swinging in a first direction and a second direction respectively, and the first direction and the second direction are mutually perpendicular; the reflector (21) is arranged on top of the reflector mounting frame (22).

2. The anti-shake zenith lens of claim 1, wherein the driving assembly comprises an inner shaft magnetic steel (23) arranged on the reflector mounting frame (22), an inner shaft driving circuit board (25) arranged on the rotating bracket frame (24), an inner shaft driving coil and an inner shaft hall sensor electrically connected with the inner shaft driving circuit board (25), an outer shaft magnetic steel (26) arranged on the rotating bracket frame (24), a main control circuit board (27) arranged in the shell (3), an outer shaft driving coil (29) electrically connected with the main control circuit board (27), an outer shaft hall sensor (28) and a gyroscope; the inner shaft driving coil and the inner shaft Hall sensor are arranged opposite to the inner shaft magnetic steel (23), the outer shaft driving coil (29) and the outer shaft Hall sensor (28) are arranged opposite to the outer shaft magnetic steel (26), and the inner shaft driving circuit board (25) is electrically connected with the main control circuit board (27).

3. The anti-shake zenith lens of claim 2, wherein outer shaft support shafts (31) are respectively arranged on opposite sides of the rotating support frame (24), and the two outer shaft support shafts (31) are respectively arranged on two opposite side plates (5) of the shell (3) through outer shaft bearings, so that the rotating support frame (24) can pitch and swing by taking the outer shaft support shafts (31) as fulcrums.

4. An anti-shake zenith mirror according to claim 3 wherein the mirror mounting bracket (22) is provided with inner shaft support shafts on opposite sides thereof, respectively, and the two inner shaft support shafts are mounted on the rotating bracket frame (24) through inner shaft bearings (30) respectively, so that the mirror mounting bracket (22) can be swung in pitch with the inner shaft support shafts as fulcrums.

5. The anti-shake zenith lens according to claim 2, wherein a bottom plate of the housing (3) is provided with a bottom fixing groove (7), a side fixing groove (8) is provided on a side plate (5) thereof, and the main control circuit board (27) is inserted into the bottom fixing groove (7) and the side fixing groove (8).

6. A telescope characterized by comprising an objective lens (1), an eyepiece lens (2) and an anti-shake zenith lens according to any one of the preceding claims 1 to 5; the objective lens (1) is connected with an objective lens cone (6) of the anti-shake zenith lens, and the eyepiece lens (2) is connected with an eyepiece lens cone (9) of the anti-shake zenith lens.