Binocular telescope rangefinder using reflective liquid crystal

Abstract

Provided in the present invention is a binocular telescope rangefinder using a reflective liquid crystal. The binocular telescope rangefinder comprises a telescope body, wherein the telescope body comprises a first barrel and a second barrel, a laser emitting assembly and a laser receiving assembly are respectively provided in the first barrel and the second barrel, a mounting recess is provided in one side of the first barrel, a liquid crystal display assembly is provided in the mounting recess, the liquid crystal display assembly comprises a reflective OLED liquid crystal, a lens group is provided on one side of the reflective OLED liquid crystal, and a beam splitter prism is provided on the side of the lens group away from the reflective OLED liquid crystal. By means of the configuration of the liquid crystal display assembly, the reflective OLED liquid crystal is externally arranged outside an observation light path, thereby avoiding light path obstruction and light loss caused by transmissive LCD, improving the light transmittance of the entire observation light path, and thus optimizing the observation experience of a user and endowing the rangefinder with good optical performance.

Description

Reflective liquid crystal binocular binocular telescope rangefinder TECHNICAL FIELD

[0001] The present application belongs to the technical field of rangefinders, more particularly relates to a reflective liquid crystal binocular binocular telescope rangefinder. BACKGROUND

[0002] As a kind of composite optical instrument integrating observation and measurement function, binocular telescope rangefinder provides clear observation effect for user, and rangefinder gives the ability of accurate distance measurement, the combination of the two greatly meets the needs of people in different scenarios, and plays a very important role in many application occasions. TECHNICAL PROBLEM

[0003] And the traditional binocular telescope rangefinder in liquid crystal display, usually adopt the mode that through type LCD liquid crystal is built-in in observation light path, and is built-in installation perpendicular to observation light path, which leads to the light transmittance of whole optical system is greatly reduced after passing through through type LCD, thereby affecting the optical quality of whole machine, so that optical observation effect is greatly discounted. TECHNICAL SOLUTION

[0004] In order to solve the above technical problems, the present application provides a reflective liquid crystal binocular binocular telescope rangefinder to solve the technical problems that the traditional binocular telescope rangefinder in the prior art builds through type LCD liquid crystal in observation light path, so that the light transmittance of whole optical system is greatly reduced after passing through through type LCD, thereby affecting the optical quality of whole machine, so that optical observation effect is greatly discounted.

[0005] The purpose and effect of the reflective liquid crystal binocular binocular telescope rangefinder of the present application are achieved by the following specific technical means:

[0006] A reflective liquid crystal binocular binocular telescope rangefinder, comprising a telescope body, the telescope body comprises a first barrel and a second barrel, a laser emitting assembly and a laser receiving assembly are respectively arranged in the first barrel and the second barrel, a mounting groove is formed on one side of the first barrel, a liquid crystal display assembly is arranged in the mounting groove, the liquid crystal display assembly comprises a reflective OLED liquid crystal, a lens group is arranged on one side of the reflective OLED liquid crystal, and a light splitting prism is arranged on the side of the lens group away from the reflective OLED liquid crystal.

[0007] In a preferred embodiment, a mirror is arranged between the reflective OLED liquid crystal and the lens group, and the reflective OLED liquid crystal and the lens group are both directed to the mirror.

[0008] In a preferred embodiment, the laser emitting assembly comprises a laser emitting module, the splitting prism is provided with the laser emitting module on one side, the splitting prism is provided with a first prism group on the other side, the first cylinder is provided with a first fixed prism combination structure, and the first prism group is installed in the first fixed prism combination structure.

[0009] In a preferred embodiment, the first cylinder is provided with a first fixed objective lens structure, the first fixed objective lens structure is provided with a first objective lens, the first cylinder is provided with a first fixed field lens structure, and the first fixed field lens structure is provided with a first field lens.

[0010] In a preferred embodiment, the second cylinder is provided with a second fixed objective lens structure, the second fixed objective lens structure is provided with a second objective lens, the second cylinder is provided with a second fixed field lens structure, and the second fixed field lens structure is provided with a second field lens.

[0011] In a preferred embodiment, the laser receiving assembly comprises a laser receiving module, the second cylinder is provided with a second fixed prism combination structure, the second fixed prism combination structure is provided with a second prism group on one side, the second prism group is provided with the laser receiving module on one side, and the second field lens is located between the second prism group and the second objective lens.

[0012] In a preferred embodiment, the first cylinder and the second cylinder are connected through a movable double-cylinder fixed connection assembly, and the first cylinder and the second cylinder are provided with a central axis adjusting eyepiece cantilever on one side adjacent to each other, and the central axis adjusting eyepiece cantilevers are provided with a central axis adjusting wheel.

[0013] In a preferred embodiment, the first cylinder and the second cylinder are provided with a battery compartment, the battery compartment is provided with a battery, the battery compartment is provided with a controller on the top, the battery, the laser emitting assembly and the laser receiving assembly are electrically connected with the controller, the controller is provided with a button on one side, and the controller and the liquid crystal display assembly are electrically connected with the button.

[0014] In a preferred embodiment, the first cylinder is provided with a visual power hand wheel, and one end of the first cylinder and the second cylinder is provided with an eyepiece group. Advantages

[0015] Compared with the prior art, the present application has the following advantages:

[0016] 1. By the setting of the liquid crystal display assembly, when using the range finder, the liquid crystal display assembly is installed in the mounting groove on one side of the first barrel, the reflective OLED liquid crystal is externally arranged outside the observation light path, the light path of the whole machine is avoided from being blocked and light loss by the transmission type LCD, the light transmittance of the observation light path of the whole machine is improved, the observation experience of the user is optimized, and the range finder has good optical quality.

[0017] 2. By the setting of the laser emitting assembly and the laser receiving assembly, when using the range finder, the laser emitting module and the laser receiving module can be vertically arranged in the first barrel and the second barrel through the configuration of the first prism group and the second prism group, the space in the middle is released; the user can hold the mirror body with both hands in a full wrap manner, the stability when using the machine is increased, the stability of measurement and observation is improved, and the machine volume is also reduced, and the portability is improved.

[0018] 3. By the setting of the central axis adjusting wheel and the two groups of central axis adjusting eyepiece suspensions, when using the range finder, the binocular focal length of the first barrel and the second barrel can be adjusted synchronously, and through the setting of the diopter hand wheel, the monocular focal length can be adjusted alone to adapt to the diopter difference of the left and right eyes of the human eye, the debugging and installation of the laser emitting module and the laser receiving module are facilitated, and after debugging, the focal length of the objective lens and the field lens does not need to be adjusted again, and the damage to the best effect after debugging is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 is a structural schematic view of a reflective liquid crystal double-barrel binocular telescope range finder according to the present application;

[0020] Fig. 2 is an exploded view of a reflective liquid crystal double-barrel binocular telescope range finder according to the present application;

[0021] Fig. 3 is a left view of a reflective liquid crystal double-barrel binocular telescope range finder according to the present application;

[0022] Fig. 4 is a front view of a reflective liquid crystal double-barrel binocular telescope range finder according to the present application;

[0023] Fig. 5 is a top view of a reflective liquid crystal double-barrel binocular telescope range finder according to the present application;

[0024] Fig. 6 is a sectional view of A-A in Fig. 4;

[0025] Fig. 7 is an optical path diagram of a reflective liquid crystal double-barrel binocular telescope range finder according to the present application;

[0026] Fig. 8 is an enlarged schematic view of the A area in Fig. 6.

[0027] In the drawings, the correspondence between the component names and the drawing numbers is as follows:

[0028] 11, first barrel; 12, second barrel; 13, mounting groove; 14, double-barrel fixed connection assembly; 15, middle shaft adjusting ocular arm; 16, middle shaft adjusting wheel; 17, visual power hand wheel; 18, ocular lens group; 21, reflective OLED liquid crystal; 22, lens group; 23, light splitting prism; 24, reflector; 31, laser emission module; 32, first prism group; 33, first fixed prism combination structure; 34, first fixed objective lens structure; 35, first objective lens; 36, first fixed field lens structure; 37, first field lens; 41, second fixed objective lens structure; 42, second objective lens; 43, second fixed field lens structure; 44, second field lens; 45, laser receiving module; 46, second fixed prism combination structure; 47, second prism group; 51, battery compartment; 52, battery; 53, controller; 54, button. Best mode of the present application

[0029] The embodiments of the present application will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the technical solutions of the present application, but cannot be used to limit the protection scope of the present application. Examples

[0030] As shown in FIGS. 1 to 8:

[0031] The present application provides a reflective liquid crystal double-barrel binocular rangefinder, the core of which is that the liquid crystal display assembly is independently arranged on one side of the first barrel 11 instead of being directly arranged in the observation light path, which comprises a telescope body, the telescope body comprising a first barrel 11 and a second barrel 12, the first barrel 11 and the second barrel 12 being respectively provided with a laser emission assembly and a laser receiving assembly, the first barrel 11 being provided with a mounting groove 13 on one side, the mounting groove 13 being provided with a liquid crystal display assembly, the liquid crystal display assembly comprising a reflective OLED liquid crystal 21, a lens group 22 and a light splitting prism 23, the mounting groove 13 being provided with the reflective OLED liquid crystal 21, the reflective OLED liquid crystal 21 being provided with the lens group 22 on one side, and the lens group 22 being provided with the light splitting prism 23 away from the reflective OLED liquid crystal 21. Compared with the traditional through-type LCD display, the arrangement of the reflective OLED liquid crystal 21 can effectively avoid the obstruction and light loss of the observation light path, and the lens group 22 and the light splitting prism 23 are responsible for introducing the OLED display picture into the user's line of sight to form the final observation picture.

[0032] Please refer to as shown in Figure 3, Figure 6 and Figure 8, the reflective OLED liquid crystal 21 and lens group 22 is specially provided between the mirror 24, so that the reflective OLED liquid crystal 21 and lens group 22 can be oriented to this mirror 24, the OLED display picture through the mirror 24 introduced into the user's line of sight, forming the final observation picture; by installing such a liquid crystal display assembly in the installation groove 13 on the side of the first cylinder 11, not only avoids the traditional through type LCD on the observation light path of the obstruction and light loss, and further optimizes the optical performance of the whole machine. In contrast, the layout of this reflective OLED liquid crystal 21 can maximize the light transmittance of the observation light path, thus bringing the user a better observation experience and better optical quality.

[0033] Please refer to as shown in Figure 4 to Figure 8, the laser emission assembly includes a laser emission module 31, the laser emission module 31 is provided on one side of the light splitting prism 23, the other side of the light splitting prism 23 is installed with the first prism group 32, the first cylinder 11 is provided with a first fixed prism combination structure 33, the first prism group 32 is installed inside the first fixed prism combination structure 33, the first cylinder 11 is provided with a first fixed objective lens structure 34, the first fixed objective lens structure 34 is provided with a first objective lens 35, the first cylinder 11 is provided with a first fixed field lens structure 36, the first fixed field lens structure 36 is provided with a first field lens 37, it is worth noting that these key optical elements, including the first prism group 32, the first objective lens 35 and the first field lens 37, are arranged on the same straight line, not only ensures the accuracy of the laser emission, but also provides a good foundation for subsequent optical imaging.

[0034] As shown in FIGS. 6-8, the laser emitting module 31 first emits laser light, which, after passing through a series of optical components including the first prism group 32, the first field lens 37 and the first objective lens 35, irradiates the target object. The reflected light wave passes through the second objective lens 42, the second field lens 44 and the second prism group 47 in sequence, and is finally received by the laser receiving module 45. The receiving module displays the measurement results on the reflective OLED liquid crystal 21. Specifically, the light reflected by the mirror 24 to the lens group 22 is refracted by the beam splitter prism 23, and then refracted by the first prism group 32. The measurement results displayed by the reflective OLED liquid crystal 21 can be observed through the eyepiece group 18, thereby providing the user with intuitive measurement data. During assembly and debugging, the performance of the first prism group 32, the first objective lens 35 and the first field lens 37 is optimized by adjusting the first fixed prism combination structure 33, the first fixed objective lens structure 34 and the first fixed field lens structure 36, respectively, to ensure that the laser emitting module 31 and the laser receiving module 45 can achieve the best measurement effect, and to correct the observation light path of the left and right barrels. In addition, the installation position of the reflective OLED liquid crystal 21 is adjusted by the light path of the lens group 22 reflected by the mirror 24, and finally presented in the eyepiece group 18 by the fold reflection of the beam splitter prism 23. The position is just located on the focal plane that can be observed by the eyepiece, thereby ensuring that the user can clearly observe the measurement results.

[0035] As shown in FIGS. 2, 4 and 6, the second barrel 12 is internally provided with a second fixed objective lens structure 41, the second fixed objective lens structure 41 is internally provided with a second objective lens 42, the second barrel 12 is further provided with a second fixed field lens structure 43, the second fixed field lens structure 43 is internally provided with a second field lens 44; the laser receiving assembly includes a laser receiving module 45, the second barrel 12 is further provided with a second fixed prism combination structure 46, one side of the second fixed prism combination structure 46 is provided with a second prism group 47, and the other side of the second prism group 47 is provided with the laser receiving module 45. It should be noted that the second field lens 44 is located between the second prism group 47 and the second objective lens 42, and the second field lens 44, the second prism group 47 and the second objective lens 42 are on the same straight line. The series of optical components work together to complete the reception and signal processing of the laser light. The laser light is first focused by the second objective lens 42, then enters the second prism group 47 through the second field lens 44, and is finally captured by the laser receiving module 45 and converted into readable data.

[0036] Please refer to as shown in Figure 3, Figure 4 and Figure 6, the first barrel 11 and the second barrel 12 are connected by the movable double-barrel fixed connection assembly 14, so that the two barrels can be relatively movable, and the middle axis adjusting eyepiece cantilever 15 is arranged on the side adjacent to the first barrel 11 and the second barrel 12, respectively, and the middle axis adjusting wheel 16 is arranged between the two groups of middle axis adjusting eyepiece cantilevers 15; by adjusting the middle axis adjusting wheel 16, the binocular focal length of the eyepiece group 18 of the first barrel 11 and the second barrel 12 can be synchronously adjusted to adapt to the vision difference of different users, in addition, the diopter hand wheel 17 is also arranged, which can be used to adjust the monocular focal length alone, further meeting the needs of different vision of the left and right eyes of the human eye; not only facilitates the debugging and installation of the laser emitting module 31 and the laser receiving module 45, but also avoids the destruction of the best effect after debugging.

[0037] The light path observation system of the first barrel 11 and the second barrel 12 can be adjusted by the middle axis adjusting wheel 16, so that it can maintain clarity when observing different near and far targets; the diopter hand wheel 17 is used to adjust the diopter difference caused by different vision of the left and right eyes to ensure that the observation effects of the left and right eyes are consistent, and the eyepiece group 18 can also move forward and backward along the observation light path to further realize the functions of focusing and adjusting the diopter difference; in addition, the double-barrel fixed connection assembly 14 not only increases the firmness and stability of the first barrel 11 and the second barrel 12, but also can be rotated as a central axis to adjust the distance between the left and right lens barrels to adapt to the distance between the eyes of different users.

[0038] Please refer to as shown in Figure 2 and Figure 6, the first barrel 11 and the second barrel 12 are arranged with the battery compartment 51, and the battery 52 is placed inside the battery compartment 51, and the controller 53 is arranged on the top of the battery compartment 51, and the battery 52, the laser emitting assembly and the laser receiving assembly are electrically connected with the controller 53; the side of the controller 53 is provided with the key 54, and the controller 53 itself and the liquid crystal display assembly connected therewith are electrically connected with the keys 54, not only facilitating the power supply and the control of each component, but also realizing manual adjustment of system parameters through the keys 54, and providing an intuitive operation interface for the user; whether it is switching the working mode, adjusting the observation parameters or checking the measurement data, it can be quickly completed through the keys 54, greatly improving the operability and human-computer interaction of the entire light path observation system.

[0039] Please refer to as shown in Figure 2, Figure 4 and Figure 6, the first cylinder 11 is provided with a visual degree hand wheel 17, the user can adjust the visual difference between the left and right eyes by rotating the visual degree hand wheel 17, so as to realize clear focusing on the observation target; at the same time, one end of the first cylinder 11 and the second cylinder 12 is provided with an eyepiece group 18, these eyepiece groups 18 provide an observation entrance for the user, so that he can clearly observe the target object far away; through the cooperation of the visual degree hand wheel 17 and the eyepiece group 18, the whole optical path observation system can meet the vision needs of different users, and ensure the optimization of the observation effect, whether it is a close-range or long-distance target, the user can easily adjust and obtain a clear observation experience.

[0040] The specific use mode and effect of the embodiment: the range finder can be used as a binocular telescope for observation, and can also measure the distance through the operation of the key 54, and the measurement result is displayed in the field of view of the eyepiece, so that the user can measure and directly read the measurement result in the eyepiece while observing, and can adjust the clarity through the central axis focusing and adjust the visual difference caused by different vision of the left and right eyes through the visual degree wheel; when in use, the laser emission module 31 emits laser, which passes through the optical components of the first prism group 32, the first field lens 37 and the first objective lens 35, and hits the target, and the reflected light wave is received by the laser receiving module 45 after passing through the optical components of the second objective lens 42, the second field lens 44 and the second prism group 47, and the measurement result is displayed on the reflective OLED liquid crystal 21. Embodiment of the application

[0041] The central axis adjusting wheel 16 is used for adjusting the clarity of the optical path observation system of the first cylinder 11 and the second cylinder 12 when observing different targets at different distances, the central axis adjusting wheel 16 is used for adjusting the clarity of the target by adjusting the eyepiece group 18 driven by the central axis adjusting eyepiece cantilever 15, and can also be used for adjusting the front and back movement of the two eyepiece groups 18 parallel to the observation light path, so as to achieve the effect of focusing and adjusting the visual difference, the double cylinder fixed connection assembly 14 is used for increasing the firmness and stability of the first cylinder 11 and the second cylinder 12, and the central axis is rotated through the double cylinder fixed connection assembly 14, so as to adjust the distance between the left and right barrels to adapt to the distance between the two eyes of different people.

[0042] In the assembling and debugging process, the first prism group 32, the first objective lens 35 and the first field lens 37 are fixed after being respectively debugged by the combined structure 33 of the first fixed prism, the structure 34 of the first fixed objective lens and the structure 36 of the first fixed field lens, respectively, so that the laser emitting module 31 and the laser receiving module 45 achieve the effect of the best measuring ability and correct the observation light path of the left and right lens barrels; the measurement result of the installation position of the reflective OLED liquid crystal 21 is displayed by reflecting the reflective mirror 24, adjusting the light path through the lens group 22, and observing the reflective OLED liquid crystal 21 in the ocular lens group 18 after the fold reflection of the light splitting prism 23, and the measurement result displayed is the position of the reflective OLED liquid crystal 21 installation position of the focal plane which can be observed by the ocular lens formed by the above various lenses and prism groups and the reflective mirror 24.

[0043] The above-described embodiments are only used to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A reflective liquid crystal binocular rangefinder comprising a telescope body, characterized in that: The telescope body includes a first barrel (11) and a second barrel (12), laser emitting components and laser receiving components are respectively arranged in the first barrel (11) and the second barrel (12), a mounting groove (13) is formed on one side of the first barrel (11), a liquid crystal display component is arranged in the mounting groove (13), the liquid crystal display component includes a reflective OLED liquid crystal (21), a lens group (22) is arranged on one side of the reflective OLED liquid crystal (21), and a light splitting prism (23) is arranged on the side, away from the reflective OLED liquid crystal (21), of the lens group (22).

2. A reflective liquid crystal binocular rangefinder according to claim 1, characterized in that: A mirror (24) is arranged between the reflective OLED liquid crystal (21) and the lens group (22), and the reflective OLED liquid crystal (21) and the lens group (22) are both directed towards the mirror (24).

3. A reflective liquid crystal binocular periscope rangefinder according to claim 1, characterized in that: The laser emitting component includes a laser emitting module (31), the laser emitting module (31) is arranged on one side of the light splitting prism (23), a first prism group (32) is arranged on the other side of the light splitting prism (23), a first fixed-prism combination structure (33) is arranged in the first barrel (11), and the first prism group (32) is arranged in the first fixed-prism combination structure (33).

4. A reflective liquid crystal Galilean rangefinder according to claim 3, characterized in that: A first fixed-objective structure (34) is arranged in the first barrel (11), a first objective (35) is arranged in the first fixed-objective structure (34), a first fixed-field lens structure (36) is arranged in the first barrel (11), and a first field lens (37) is arranged in the first fixed-field lens structure (36); the first prism group (32), the first objective (35) and the first field lens (37) are arranged on a straight line.

5. A reflective liquid crystal binocular periscope rangefinder according to claim 1, characterized in that: A second fixed-objective structure (41) is arranged in the second barrel (12), a second objective (42) is arranged in the second fixed-objective structure (41), a second fixed-field lens structure (43) is arranged in the second barrel (12), and a second field lens (44) is arranged in the second fixed-field lens structure (43).

6. A reflective liquid crystal Galilean rangefinder according to claim 5, characterized in that: The laser receiving component includes a laser receiving module (45), a second fixed-prism combination structure (46) is arranged in the second barrel (12), a second prism group (47) is arranged on one side of the second fixed-prism combination structure (46), the laser receiving module (45) is arranged on one side of the second prism group (47), and the second field lens (44) is located between the second prism group (47) and the second objective (42).

7. A reflective liquid crystal binocular periscope rangefinder according to claim 1, characterized in that: The first barrel (11) and the second barrel (12) are connected through a movable binocular fixed connection component (14), and the first barrel (11) and the second barrel (12) are both provided with a central axis adjusting eyepiece cantilever (15) on one side adjacent to each other, and a central axis adjusting wheel (16) is arranged between the two central axis adjusting eyepiece cantilevers (15).

8. A reflective liquid crystal binocular periscope rangefinder according to claim 1, characterized in that: The first cylinder (11) and the second cylinder (12) are provided with a battery compartment (51), the battery compartment (51) is provided with a battery (52), the top of the battery compartment (51) is provided with a controller (53), the battery (52), the laser emission assembly and the laser receiving assembly are electrically connected with the controller (53), one side of the controller (53) is provided with a key (54), the controller (53) and the liquid crystal display assembly are electrically connected with the key (54).

9. A reflective liquid crystal binocular periscope rangefinder according to claim 1, characterized in that: The first cylinder (11) is provided with a visual degree hand wheel (17), and one end of the first cylinder (11) and the second cylinder (12) is provided with an ocular group (18).

Images