CN220872770U - Telescope - Google Patents

Abstract

The utility model discloses a telescope, which comprises: the concave reflecting mirror is arranged opposite to the convex reflecting mirror; the focal length of the concave reflector is D, the focal length of the convex reflector is S, and the focal center distance between the concave reflector and the focal point of the convex reflector is L; wherein said L, S, D satisfies the following relationship: d=l+s. The light entering the concave reflecting mirror is converged and reflected through the specific combination position relation of the concave reflecting mirror and the convex reflecting mirror, and finally, parallel light is output with smaller beam diameter, a highlight scene can be seen without an ocular lens, meanwhile, the output parallel light cannot be converged or diverged, so that a human eye can watch at any position, and a plurality of spectroscopes can be arranged for spectroscopical treatment.

Description

Telescope

Technical Field

The utility model relates to the technical field of telescope devices, in particular to a telescope.

Background

The existing telescope types can be divided into a plurality of large types of refractive telescope, reflective telescope, catadioptric telescope and the like from the optical characteristics, but the name is not directed to a specific telescope type. Conventionally, each specific telescope type is named by the original designer's name or name abbreviation, e.g., reflex telescopes can be categorized into newton telescope, grigay telescope, smith telescope, casseg Lin Shi telescope, and the like. These telescope types all have unique lens combination structures, optical paths and imaging foci.

In addition, there are some types of telescopes that are modifications made based on the above existing types of telescopes, by which is meant that the lens assembly structure, optical path and imaging focus of its prototype is not completely changed. Such as schmitt-cassegrain telescope based on cassegrain telescope or Ma Kesu tuff-cassegrain telescope. These improved telescopes do not completely change the lens assembly structure, optical path and imaging focus of their prototypes, so these types of naming are the name of the improver-the name of the prototype.

However, the existing telescope has the main functions of observing scenes and objects at a distance, the output light is not parallel light, the focus is not at infinity, focusing is needed when the human eyes observe, and the observation position cannot be adjusted according to the requirements of users.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art, and provides a telescope to solve the technical problems that the prior telescope outputs non-parallel light and the observation of human eyes needs focusing.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

Embodiments of the present utility model provide a telescope comprising: the concave reflecting mirror is arranged opposite to the convex reflecting mirror; the focal length of the concave reflecting mirror is D, the focal length of the convex reflecting mirror is S, and the focal center distance between the concave reflecting mirror and the convex reflecting mirror is L; wherein said L, S, D satisfies the following relationship: d=l+s.

Wherein the concave reflecting mirror and the convex reflecting mirror are coaxially and oppositely distributed.

The concave reflector reflects and converges the acquired light on the reflecting surface of the convex reflector, and the convex reflector reflects the acquired light again in a parallel light mode.

Wherein, the concave reflector is provided with an eyepiece hole.

Wherein the outline of the eyepiece hole is not smaller than the reflecting surface outline of the convex reflecting mirror.

The back of the concave reflector far away from the concave surface is also provided with an eyepiece, and the eyepiece is collinear with the eyepiece hole and the center of the convex reflector.

The back of the concave reflector far away from the concave surface is also provided with at least one spectroscope, and the spectroscope is collinear with the eyepiece hole and the center of the convex reflector.

Wherein the concave mirror and/or the convex mirror is a fresnel mirror.

The concave reflecting mirror and the convex reflecting mirror are both in a central symmetry structure.

Wherein, concave mirror with convex mirror all fixed connection is on a support.

The telescope of the utility model can converge and reflect the light entering the concave reflecting mirror through the specific combination position relation of the concave reflecting mirror and the convex reflecting mirror, finally output parallel light with smaller beam diameter, and can see the highlight scene without an ocular, and meanwhile, the output parallel light can not converge or diverge, so that the human eye can watch at any position, and a plurality of spectroscopes can be arranged for light splitting treatment.

The foregoing description is only an overview of the present utility model, and is intended to be more clearly understood as being carried out in accordance with the following description of the preferred embodiments, as well as other objects, features and advantages of the present utility model.

Drawings

Fig. 1 is a schematic structural view of a telescope according to a first embodiment of the present utility model.

Fig. 2 is a schematic view of the optical path of a first embodiment of a telescope according to an embodiment of the present utility model.

Fig. 3 is a schematic structural view of a telescope according to a second embodiment of the present utility model.

Fig. 4 is a schematic structural view of a telescope according to a third embodiment of the present utility model.

Reference numerals illustrate:

Concave mirror 1, convex mirror 2, mount 3, eyepiece 4, beamsplitters 5, 11 eyepiece aperture, external scene 10, human eye 20, convex mirror focus 100, concave mirror focus 200.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and the detailed description, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships as described based on the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be attached, detached, or integrated, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms should not be understood as necessarily being directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Referring to fig. 1 and 2, in a first embodiment, there is provided a telescope comprising: a concave mirror 1 and a convex mirror 2, the concave mirror 1 being disposed opposite the convex mirror 2; the focal length of the concave reflector 1 is D, the focal length of the convex reflector 2 is S, and the focal center distance between the concave reflector 1 and the convex reflector 2 is L; wherein said L, S, D satisfies the following relationship: d=l+s. As shown in fig. 1, the concave mirror 1 is disposed opposite to the convex mirror 2 from front to back, the light generated or reflected by the external scene 10 enters the concave mirror 1, is reflected at the concave surface of the concave mirror 1, and is collected at the convex surface of the convex mirror 2 after reflection, and since the concave mirror focal point 200 of the concave mirror 1 coincides with the focal point of the convex mirror 100 (in fig. 2, for convenience of distinction, the concave mirror focal point 200 and the convex mirror focal point 100 are shown as a non-overlapping state), the light collected at the convex surface of the convex mirror 2 is reflected again, and forms parallel light after reflection, and is output to the human eye 20, and since the beam diameter of the light obtained by the concave mirror 1 is larger than that of the light collected by the convex mirror 2, the beam diameter of the light collected by the concave mirror 1 and output in parallel is smaller, and the brightness is higher, thereby realizing clear visibility to the far-away scene or object with lower brightness.

The concave mirror 1 and the convex mirror 2 are coaxially and oppositely distributed, that is, the center of the concave mirror 1 and the center of the convex mirror 2 are collinear, and the two mirror bodies are arranged in parallel. It will be appreciated that in other embodiments, the concave mirror 1 and the convex mirror 2 may be disposed non-coaxially, with the mirror surfaces being substantially parallel.

The concave reflector 1 reflects the acquired light and converges the acquired light on the reflecting surface of the convex reflector 2, the convex reflector 2 reflects the acquired light again in a parallel light mode, and the output parallel light can be directly observed or captured and analyzed.

For the convenience of human eyes, the concave reflecting mirror 1 is provided with an eyepiece hole 11. Wherein, the outline of the eyepiece hole 11 is not smaller than the outline of the reflecting surface of the convex reflector 2, that is, the parallel light reflected from the convex reflector 2 can be all output from the eyepiece hole 11, and the naked eye can directly watch from the eyepiece hole 11.

Further, the concave mirror 1 and/or the convex mirror 2 are fresnel mirrors.

The concave mirror 1 and the convex mirror 2 are both in a central symmetrical structure, such as a circle, an ellipse, a polygon, or other irregular shapes or asymmetric structures.

Wherein, the concave reflecting mirror 1 and the convex reflecting mirror 2 are fixedly connected to a bracket 3. A support 3 for supporting the concave mirror 1, the convex mirror 2 and other auxiliary structures; the specific structural design does not change the basic function of the lens support device for supporting the lens, and the lens support device can be a handheld lens barrel, a lens barrel with a bracket, a supporting frame without the lens barrel, a deformable bracket, other supporting structures and the like.

The concave mirror 1 and the convex mirror 2 may be glass, refined ore, metal, polymer compound and other composite materials.

Referring to fig. 3 again, in the second embodiment, the telescope includes a concave mirror 1 and a convex mirror 2, and the concave mirror 1 is disposed opposite to the convex mirror 2; the focal length of the concave reflector 1 is D, the focal length of the convex reflector 2 is S, and the focal center distance between the concave reflector 1 and the convex reflector 2 is L; wherein said L, S, D satisfies the following relationship: d=l+s. The back of the concave reflector 1 far away from the concave surface is also provided with an eyepiece 4, and the eyepiece 4 is collinear with the eyepiece hole 11 and the center of the convex reflector 2. The eyepiece 4 may be disposed in the eyepiece hole 11 or in front of the eyepiece hole 11, and the eyepiece 4 is used for amplifying the parallel light output from the eyepiece hole 11 again, i.e. amplifying a distant scene, so as to facilitate observation by human eyes.

Further, the concave mirror 1 and/or the convex mirror 2 are fresnel mirrors. Of course, the concave mirror 1 or the convex mirror 2 may be other conventional common mirror structures.

Both the concave mirror 1 and the convex mirror 2 are of a central symmetrical structure, such as circular, elliptical, polygonal and other irregular shapes, or other conventional common mirror structures.

Wherein, the concave reflecting mirror 1 and the convex reflecting mirror 2 are fixedly connected to a bracket 3. A support 3 for supporting the concave mirror 1, the convex mirror 2 and other auxiliary structures; the specific structural design does not change the basic function of the lens support device for supporting the lens, and the lens support device can be a handheld lens barrel, a lens barrel with a bracket, a supporting frame without the lens barrel, a deformable bracket and other supporting structures.

The concave mirror 1 and the convex mirror 2 may be glass, refined ore, metal, polymer compound and other composite materials.

Referring to fig. 4 again, in the third embodiment, the telescope includes a concave mirror 1 and a convex mirror 2, and the concave mirror 1 is disposed opposite to the convex mirror 2; the focal length of the concave reflector 1 is D, the focal length of the convex reflector 2 is S, and the focal center distance between the concave reflector 1 and the convex reflector 2 is L; wherein said L, S, D satisfies the following relationship: d=l+s. The back of the concave reflector 1 far away from the concave surface is also provided with at least one spectroscope 5, and the spectroscope 5 is collinear with the eyepiece hole 11 and the center of the convex reflector 2. In this embodiment, three beam splitters 5 are provided, which are a first beam splitter 51, a second beam splitter 52, and a third beam splitter 53, and the first beam splitter 51, the second beam splitter 52, and the third beam splitter 53 are disposed in parallel front and back. The beam splitter can be coated with different filter coatings to split incident light beams at different wavelengths. The light collected by the telescope can be decomposed into a plurality of parallel light with different wavelengths by a plurality of beam splitters which are arranged in parallel and have the same size. An eyepiece hole can be respectively arranged for each split parallel light beam, and observation eyepieces with different wavelengths are arranged, so that one target observed by the telescope can be respectively observed in multiple wavelengths.

In another embodiment, various optical instruments may be provided instead of an eyepiece at each eyepiece aperture 11, including but not limited to various spectroscopic analysis instruments, light sensing instruments, light imaging instruments, and the like. The telescope is provided with the light analysis capability which is easy to expand.

Further, the concave mirror 1 and/or the convex mirror 2 are fresnel mirrors, and of course, other common mirror structures are also possible.

Both the concave mirror 1 and the convex mirror 2 are of a central symmetrical structure, such as circular, elliptical, polygonal and other irregular shapes, or other conventional common mirror structures.

Wherein, the concave reflecting mirror 1 and the convex reflecting mirror 2 are fixedly connected to a bracket 3. A support 3 for supporting the concave mirror 1, the convex mirror 2 and other auxiliary structures; the specific structural design does not change the basic function of the lens support device for supporting the lens, and the lens support device can be a handheld lens barrel, a lens barrel with a bracket, a supporting frame without the lens barrel, a deformable bracket and other supporting structures.

The concave mirror 1 and the convex mirror 2 may be glass, refined ore, metal, polymer compound and other composite materials.

According to the prior art, the telescope of the new structure generally adopts the rule of naming the telescope by the name of the original designer, and the inventor Wei Zeyu of the present utility model is also the original designer of the telescope of the present embodiment, therefore, the telescope is also called: wei Zeyu telescope.

The existing telescope is structurally: a lens combination that is not a concave mirror and a convex mirror and the focal length satisfies the relationship d=l+s; the light path is not used for outputting parallel light; the focus is not at infinity. The telescope of this embodiment, it is through the specific combination positional relationship of concave mirror and convex mirror, reflect after converging the light that gets into concave mirror, finally with smaller beam diameter, the parallel light of higher luminance output, this parallel light can see the highlight scene directly with the visual observation when not assembling the eyepiece, need not aim at the imaging focal length, can observe in the arbitrary position of parallel light path, the human eye is easily aimed at, because it is parallel light, can launch far away and not converging or diverging, therefore can have long enough output light beam in order to install a plurality of spectroscopes additional.

The foregoing examples are provided to further illustrate the technical contents of the present utility model for the convenience of the reader, but are not intended to limit the embodiments of the present utility model thereto, and any technical extension or re-creation according to the present utility model is protected by the present utility model. The protection scope of the utility model is subject to the claims.

Claims (10)

1. A telescope, comprising: the concave reflecting mirror is arranged opposite to the convex reflecting mirror; the focal length of the concave reflecting mirror is D, the focal length of the convex reflecting mirror is S, and the focal center distance between the concave reflecting mirror and the convex reflecting mirror is L; wherein said L, S, D satisfies the following relationship: d=l+s.

2. The telescope of claim 1, wherein the concave mirror is coaxially opposed to the convex mirror.

3. The telescope of claim 1, wherein the concave mirror reflects and focuses the captured light onto a reflective surface of the convex mirror, the convex mirror reflecting the captured light again in parallel.

4. A telescope as recited in claim 3, wherein the concave mirror has an eyepiece aperture.

5. The telescope of claim 4, wherein a profile of the eyepiece aperture is not less than a reflective surface profile of the convex mirror.

6. The telescope of claim 4, wherein the back of the concave mirror away from the concave surface is further provided with an eyepiece, the eyepiece being collinear with the eyepiece aperture, the center of the convex mirror.

7. The telescope of claim 4, wherein the back of the concave mirror away from the concave surface is further provided with at least one beam splitter, the beam splitter being collinear with the eyepiece aperture and the center of the convex mirror.

8. Telescope according to any one of claims 1 to 7, wherein the concave mirror and/or the convex mirror is a fresnel mirror.

9. The telescope of claim 8, wherein the concave mirror and the convex mirror are each of a centrally symmetric configuration.

10. The telescope of claim 9, wherein the concave mirror and the convex mirror are both fixedly attached to a support.