CN216925308U - Distance measuring sighting telescope - Google Patents
Distance measuring sighting telescope Download PDFInfo
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- CN216925308U CN216925308U CN202220756416.6U CN202220756416U CN216925308U CN 216925308 U CN216925308 U CN 216925308U CN 202220756416 U CN202220756416 U CN 202220756416U CN 216925308 U CN216925308 U CN 216925308U
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Abstract
The utility model discloses a distance measuring sighting telescope, which relates to the technical field of sighting telescopes and comprises a first lens cone, a second lens cone, a beam splitter prism, a photodiode, a receiving plate, an imaging module capable of displaying distance information in the lens cones and a control system, wherein one end of the first lens cone is fixedly provided with an objective lens group, and the other end of the first lens cone is fixedly provided with an eyepiece group; a laser emission module is fixedly arranged in the second lens barrel, and an emission lens is fixedly arranged at the laser emission end of the second lens barrel; the beam splitter prism is fixedly arranged in the first lens barrel; the beam splitter prism can split light rays entering from the objective lens group to the photodiode; the receiving board is in communication connection with the photodiode; the laser emission module, the receiving plate and the imaging module are all in communication connection with the control system. Therefore, the distance measuring sighting telescope provided by the utility model can ensure the accuracy of the distance measuring result.
Description
Technical Field
The utility model relates to the technical field of sighting telescope, in particular to a distance measuring sighting telescope.
Background
In the prior art, a transmitting module and a receiving module of a ranging sighting telescope generally share part of a light path, and in the ranging process, the receiving module can receive stray light of the transmitting light path in a lens barrel to form signal crosstalk, so that the ranging capability is insufficient, and the measuring result is inaccurate.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a distance measuring sighting telescope, which is used for solving the problems in the prior art and ensuring the accuracy of a distance measuring result.
In order to achieve the purpose, the utility model provides the following scheme:
the utility model provides a distance measuring sighting telescope, which comprises a first lens cone, a second lens cone, a beam splitter prism, a photodiode, a receiving plate, an imaging module and a control system, wherein the imaging module can display distance information in the lens cones; a laser emission module is fixedly arranged in the second lens barrel, and an emission lens is fixedly arranged at the laser emission end of the second lens barrel; the beam splitting prism is fixedly arranged in the first lens barrel; the beam splitting prism can split light rays entering from the objective lens group to the photodiode; the receiving board is in communication connection with the photodiode; the laser emission module, the receiving plate and the imaging module are all in communication connection with the control system.
Preferably, the objective lens group is provided with a through hole, and the second lens barrel can penetrate through the through hole and is fixedly arranged inside the first lens barrel.
Preferably, the second lens barrel is fixedly arranged outside the first lens barrel and fixedly connected with the first lens barrel.
Preferably, the zoom lens system is arranged inside the first lens barrel and located between the focal plane of the objective lens system and the focal plane of the eyepiece lens system.
Preferably, the imaging module is an LCD projection screen, the LCD projection screen is fixedly disposed on a focal plane of the objective lens group or a focal plane of the eyepiece lens group, and the LCD projection screen is in communication connection with the control system.
Preferably, the imaging module includes diaphragm, OLED lens group, relay prism and OLED display screen, the OLED display screen fixed set up in on the focal plane of objective lens group or on the focal plane of objective lens group, the image of OLED display screen can loop through OLED lens group with relay prism group projection is in the diaphragm with on the focal plane of objective lens group, or the image of OLED display screen can loop through OLED lens group with relay prism group projection is in the diaphragm with on the focal plane of objective lens group.
Compared with the prior art, the utility model has the following technical effects:
according to the ranging sighting telescope provided by the utility model, the laser beam is emitted through the laser emitting module in the second lens cone, the return beam is received in the first lens cone, and the emission and the reception of the laser beam are completed in the two independent lens cones, so that the interference of stray light generated by the emitted laser beam on information received by the receiving plate is avoided. Therefore, the distance measuring sighting telescope provided by the utility model can ensure the accuracy of the distance measuring result.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a distance measuring sighting telescope provided by the utility model;
FIG. 2 is a schematic structural diagram of a distance measuring sighting telescope provided by the utility model;
FIG. 3 is a schematic structural diagram of a distance measuring sighting telescope provided by the present invention;
FIG. 4 is a schematic structural diagram of a distance measuring sighting telescope provided by the present invention;
FIG. 5 is a schematic view of a distance measuring sighting telescope according to the present invention;
FIG. 6 is a schematic structural diagram of a distance measuring sighting telescope provided by the present invention;
FIG. 7 is a schematic structural diagram of a distance measuring sighting telescope provided by the utility model;
FIG. 8 is a schematic structural diagram of a distance measuring sighting telescope provided by the present invention;
in the figure: 100-ranging sighting telescope; 1-a first barrel; 11-an objective lens group; 12-an eyepiece group; 2-a second barrel; 21-a laser emission module; 22-an emission lens; 3-a beam splitting prism; 4-a photodiode; 5-receiving a plate; 6-an imaging module; 61-LCD projection screen; 62-OLED lens group; 63-a relay prism; 64-OLED display screen; 7-ranging module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model aims to provide a distance measuring sighting telescope, which is used for solving the problems in the prior art and ensuring the accuracy of a distance measuring result.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The present invention provides a distance measuring sighting telescope 100, as shown in fig. 1, in this embodiment, the distance measuring sighting telescope includes a first lens barrel 1, a second lens barrel 2, a beam splitter prism 3, a photodiode 4, a receiving plate 5, an imaging module 6 capable of displaying distance information in the lens barrel, and a control system, wherein an objective lens group 11 is fixedly arranged at one end of the first lens barrel 1, and an eyepiece lens group 12 is fixedly arranged at the other end of the first lens barrel 1; a laser emission module 21 is fixedly arranged in the second lens barrel 2, and an emission lens 22 is fixedly arranged at the laser emission end of the second lens barrel 2; the beam splitter prism 3 is fixedly arranged inside the first lens barrel 1; the beam splitter prism 3 can split the light entering from the objective lens group 11 to the photodiode 4; the receiving board 5 is in communication connection with the photodiode 4; the laser emission module 21, the receiving plate 5 and the imaging module 6 are all in communication connection with the control system.
The laser beam is emitted through the laser emitting module 21 in the second lens cone 2, the folded beam is received in the first lens cone 1, the emission and the reception of the laser beam are completed in two independent lens cones, the interference of stray light generated by the emitted laser beam on information received by the receiving plate 5 is avoided, and the accuracy of a distance measuring result is ensured.
The laser emission module 21 comprises an emission plate and an emission laser tube, after a distance measurement instruction is sent out through a key on a control system, the emission laser tube can send pulse laser with extremely short duration, at the moment, the control system controls a timer to start timing, the emission laser passes through an emission lens 22 to obtain a collimated laser beam, the collimated laser beam is characterized in that the divergence angle of the laser is extremely small, the size of a cross section spot vertical to the emission direction slowly changes along with the distance, after the emission laser reaches a target aiming surface, a part of the laser can be reflected back, a part of the returned laser beam can be focused on a photosensitive area of a photodiode 4 through an objective lens group 11 and a light splitting prism 3, a received light signal is converted into an electric signal through the photodiode 4, the control system closes the timer after receiving the electric signal, and according to timing information, the control system can calculate the distance from the target surface, the control system controls the imaging module 6 to display the distance information, and the distance information displayed by the imaging module 6 can be observed through the eyepiece group 12.
The distance-measuring sighting telescope 100 can be a built-in structure of the laser emission module 21, a through hole is formed on the objective lens group 11, and the second lens barrel 2 can penetrate through the through hole and is fixedly arranged inside the first lens barrel 1.
The second lens barrel 2 is fixedly arranged outside the first lens barrel 1 and fixedly connected with the first lens barrel 1, and the distance measuring sighting telescope 100 is an external structure of the laser emission module 21.
The distance measuring sighting telescope 100 provided by the utility model further comprises a zoom lens group, wherein the zoom lens group is arranged in the first lens barrel 1 and is positioned between the focal plane of the objective lens group 11 and the focal plane of the eyepiece lens group 12, the zoom lens group comprises a fixed lens group and a moving lens group, and the focal length can be changed by adjusting the distance between the fixed lens group and the moving lens group.
The imaging module 6 is an LCD projection screen, the LCD projection screen 61 is fixedly arranged on a focal plane of the objective lens group 11 or a focal plane of the ocular lens group 12, the LCD projection screen 61 is in communication connection with the control system, and distance information on the LCD projection screen 61 can be observed through an ocular lens.
The distance measuring sighting telescope 100 provided by the utility model can also arrange the receiving plate 5, the photodiode 4 and the beam splitter prism 3 in a new lens cone, combine the lens cone with the second lens cone 2 and the laser emission module 21 to form a distance measuring module 7, fix the distance measuring module 7 and the first lens cone 1 together to realize distance measuring operation, and the distance measuring module 7 and the control system can be in communication connection through Bluetooth or a data line.
The principle and the implementation mode of the utility model are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the utility model.
Claims (6)
1. A range finder telescope, its characterized in that: the method comprises the following steps:
one end of the first lens cone is fixedly provided with an objective lens group, and the other end of the first lens cone is fixedly provided with an eyepiece group;
the laser emission device comprises a second lens barrel, a first lens barrel and a second lens barrel, wherein a laser emission module is fixedly arranged in the second lens barrel, and an emission lens is fixedly arranged at the laser emission end of the second lens barrel;
the beam splitter prism is fixedly arranged inside the first lens barrel;
a photodiode to which light entered from the objective lens group can be split by the splitting prism;
a receiving board in communication with the photodiode;
an imaging module capable of displaying distance information in the lens barrel;
and the laser emission module, the receiving plate and the imaging module are in communication connection with the control system.
2. A ranging sight as defined in claim 1, wherein: the objective lens group is provided with a through hole, and the second lens cone can penetrate through the through hole and is fixedly arranged inside the first lens cone.
3. A ranging sight as defined in claim 1, wherein: the second lens barrel is fixedly arranged outside the first lens barrel and is fixedly connected with the first lens barrel.
4. A ranging sight as defined in claim 1, wherein: the zoom lens group is arranged inside the first lens cone and is positioned between the focal plane of the objective lens group and the focal plane of the eyepiece lens group.
5. A ranging sight as claimed in claim 4, characterized in that: the imaging module is an LCD projection screen which is fixedly arranged on a focal plane of the objective lens group or an focal plane of the eyepiece lens group, and the LCD projection screen is in communication connection with the control system.
6. A ranging sight as claimed in claim 4, wherein: the imaging module includes diaphragm, OLED lens group, relay prism and OLED display screen, the OLED display screen fixed set up in on the focal plane of objective lens group or on the focal plane of objective lens group, the image of OLED display screen can loop through OLED lens group with relay prism group projection is in the diaphragm with on the focal plane of objective lens group, or the image of OLED display screen can loop through OLED lens group with relay prism group projection is in the diaphragm with on the focal plane of objective lens group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220756416.6U CN216925308U (en) | 2022-04-01 | 2022-04-01 | Distance measuring sighting telescope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220756416.6U CN216925308U (en) | 2022-04-01 | 2022-04-01 | Distance measuring sighting telescope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216925308U true CN216925308U (en) | 2022-07-08 |
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ID=82229689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220756416.6U Active CN216925308U (en) | 2022-04-01 | 2022-04-01 | Distance measuring sighting telescope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216925308U (en) |
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2022
- 2022-04-01 CN CN202220756416.6U patent/CN216925308U/en active Active
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