WO2013170407A1

WO2013170407A1 - Holographic sight optical path and laser reflection type holographic sight

Info

Publication number: WO2013170407A1
Application number: PCT/CN2012/001234
Authority: WO
Inventors: 孙建华; 张团; 李雯; 肖可
Original assignee: 西安华科光电有限公司
Priority date: 2012-05-18
Filing date: 2012-09-03
Publication date: 2013-11-21
Also published as: CN103424033A

Abstract

A holographic sight optical path comprises an eye lens (2) arranged at the rear end of a laser tube (1), and an objective lens (3) arranged on an emergent light path of the laser tube (1), and an expanded beam lens (4) is arranged between the objective lens (3) and the laser tube (1). The eye lens (2) is a transmission type holographic grating, and the objective lens (3) is a reflection type holographic dry plate lens; or the eye lens (2) is a transmission type holographic dry plate lens, and the objective lens (3) is a holographic lens or a holographic grating. A laser reflection type holographic sight comprises the eye lens (2) arranged in an outer shell (9) and at the rear end of the laser tube (1), the laser tube (1) arranged in an inner shell (6), and the objective lens (3) arranged on the emergent light path of the laser tube (1), and the expanded beam lens (4) is arranged between the objective lens (3) and the laser tube (1). According to the new component combination, the defects that parasitic light has an adverse impact on the sight, and a red point sight is low in speed and cannot be used once being damaged are overcome. The laser reflection type holographic sight has the advantages that the structure is compact, the stability is good, and the electric energy is saved.

Description

Holographic cookware light path and laser reflective holographic cookware

Technical field

The invention belongs to the technical field of firearms, and particularly relates to a holographic cookware optical path and a laser reflective holographic cookware. Background technique

At present, there are many kinds of cookware used in firearms, such as inner red dot laser cooker, outer red dot laser cooker, etc. One of the most critical components of the inner shell (installing almost all optical path components) is circular. There is no light transmission on the annular wall, and in the process of shooting, there is often a stray light that adversely affects the accuracy, and the red dot is slower and can no longer be used once it is damaged. .

Utility model content

SUMMARY OF THE INVENTION The object of the present invention is to solve the problem that the inner casing of the prior art cooker has no light-transmitting portion, which can not eliminate the adverse effect of the stray light and the slow speed of the red dot cooker, and can no longer be used once it is damaged.

In order to achieve the above object, the present invention provides a holographic cooker optical path, an eyepiece disposed at a rear end of the laser tube, an objective lens disposed on an exiting optical path of the laser tube, and a beam expander lens disposed between the objective lens and the laser tube, the feature The eyepiece is a transmissive holographic grating, the objective lens is a reflective holographic dry lens; or the eyepiece is a transmissive holographic dry lens, and the objective lens is a holographic lens or a holographic grating.

Between the above-mentioned laser tube and the beam expanding lens, a semi-cylindrical lens or a cylindrical lens or a composite cylindrical mirror for compressing the opening angle of the outgoing light, the semi-cylindrical lens or the cylindrical lens or the composite cylindrical mirror The convex surface is disposed toward the exit pupil of the laser tube.

A cut filter glass for filtering out the laser light is disposed on the outgoing light path of the objective lens.

A laser reflective holographic cookware comprising an eyepiece disposed in a casing, placed at a rear end of a laser tube, a laser tube disposed in the inner casing, and an objective lens disposed on an outgoing light path of the laser tube, between the objective lens and the laser tube A beam expander lens is provided, which is special in that the eyepiece is a transmissive holographic grating, the objective lens is a reflective holographic dry lens; or the eyepiece is a transmissive holographic dry lens, and the objective lens is a holographic lens or a holographic grating.

The inner wall of the inner casing is provided with a light-transmitting opening, and the inner wall corresponding to the light-transmitting opening is provided with a light-absorbing layer. a semi-cylindrical lens or a cylindrical lens or a composite cylindrical mirror for compressing an opening angle of the light emitted from the laser tube, the semi-cylindrical lens or the column is disposed on an outgoing light path between the laser tube and the beam expanding lens The convex surface of the face lens or the composite cylindrical mirror is disposed toward the exit pupil of the laser tube.

An auxiliary cooker for providing illumination is disposed outside the casing, and the switch button of the auxiliary cooker is disposed at On the outer casing.

The housing is provided with a vertical vertical screw and a horizontal horizontal screw, the screw of the vertical screw and the screw of the horizontal screw extending from the outside of the housing into the housing and the annular wall of the inner casing Contacting the outer surface such that the position of the inner casing in the vertical direction and the horizontal direction is changed with the screwing of the vertical screw and the horizontal screw; the inner wall of the casing is provided with a spring piece, and the elastic piece is disposed at the The reverse extension line of the angle bisector of the angle between the vertical screw and the horizontal screw is a beryllium bronze shrapnel.

The projection profile of the light-transmissive opening on the horizontal plane is formed by a rectangle lacking a wide side and an elliptical arc, and the two sides of the elliptical arc are respectively connected to the ends of the two long sides of the rectangle lacking the wide side.

An adjustment button and an adjustment button control board including a laser tube brightness control circuit are disposed on the housing, the adjustment button is electrically connected to the adjustment button control board, and the adjustment button control board is electrically connected to the laser tube; Includes laser tube brightness highlighting manual button and laser tube brightness dimming manual button.

The housing is provided with a photosensitive element PD for detecting ambient illumination, and the photosensitive element PD is electrically connected to the adjustment button control board to feed back a signal to the laser tube brightness control circuit to control the brightness of the laser tube.

The invention has the advantages that: the inner shell is provided with a light-transmitting opening, which can effectively expose the stray light to reduce stray light interference, and a light-absorbing layer is arranged on the inner surface of the cookware shell to further reduce the reflection of stray light. The stray light is removed more thoroughly, and the holographic gun uses less optical components, is compact, and has good stability. This is because the double hologram element is used in combination to overcome the drift caused by the wavelength of the light. The utility model has the advantages that the eyepiece and the objective lens can be normally used in the case of damage; wherein the use of the semi-cylindrical lens improves the effective utilization of the light energy, reduces the waste of light energy, saves electric energy, and prolongs the use time of the cookware. .

DRAWINGS

The present invention will be further described in detail below with reference to the accompanying drawings:

Figure 1 is a schematic view of the optical path of a holographic cookware.

Figure 2 is a schematic view of the inner casing structure.

Figure 3 is a plan view of the light transmission port.

Figure 4 is a horizontal cross-sectional view of a laser reflective holographic cookware.

Figure 5 is a vertical cross-sectional view of the laser reflective holographic cookware.

Fig. 6 is a horizontal cross-sectional view of a laser reflective holographic cooker provided with an auxiliary cooker.

Figure 7 is an axial cross-sectional view of a laser reflective holographic cookware. In the figure: 1, laser tube; 2, eyepiece; 3, objective lens; 4, beam expander lens; 5, semi-cylindrical lens; 6, inner shell; 7, annular wall; 8, light transmission port; 9, shell; Adjust button control panel; 11. Laser tube brightness brightening manual button; 12. Laser tube brightness dimming manual button; 13. Photosensitive element PD; 14. Auxiliary cooker; 15. Switch button; , horizontal screws; 18, shrapnel; 19, cut filter glass.

detailed description

In order to solve the problem that the inner casing of the existing cookware has no light-transmitting part, the adverse effect of the stray light on the target and the red dot cooker are slow and can not be used once damaged, the present embodiment provides a defect. The holographic cooker optical path shown in FIG. 1 is provided with an eyepiece 2 disposed at the rear end of the laser tube 1, an objective lens 3 disposed on the outgoing light path of the laser tube 1, and a beam expander lens 4 disposed between the objective lens 3 and the laser tube 1. The special feature is that the eyepiece 2 is a transmissive holographic grating, the objective lens 3 is a reflective holographic dry plate lens or the eyepiece 2 is a transmissive holographic dry plate lens, and the objective lens 3 is a holographic lens or a holographic grating. In this way, even if the eyepiece 2 and the objective lens 3 are damaged, they can be used normally, which overcomes the defect that the existing red dot cookware cannot be used normally once it is broken.

In order to reduce the output of the laser to avoid the exposure of the shooter's orientation caused by the output of the excessive laser, a cut filter glass 19 for filtering out the laser is provided on the outgoing light path of the objective lens 3, and the cut filter is The light glass 19 has a protective function for the objective lens 3 and improves the sealing property of the entire cookware.

In order to improve the use efficiency of the light energy and prolong the battery life, a semi-cylindrical lens or a cylindrical lens or a composite cylindrical mirror 5 for compressing the exit angle of the emitted light is disposed between the laser tube 1 and the beam expander lens 4, The convex surface of the semi-cylindrical lens or cylindrical lens or composite cylindrical mirror 5 is disposed toward the exit pupil of the laser tube.

The semi-cylindrical lens or the cylindrical lens or the composite cylindrical mirror 5 acts to first compress the exiting light of the laser tube 1 to reduce the waste of light energy caused by excessive opening angle.

In order to overcome the adverse effects of the stray light, the embodiment provides an inner casing 6 as shown in FIG. 2, and the annular wall 7 of the inner casing 6 is provided with a light-transmissive opening 8 through which the stray light is leaked to Outside the inner casing 6, it reduces its adverse effect on the firing accuracy.

As shown in FIG. 3, the projection profile of the light-transmissive opening 8 on the horizontal plane is formed by a rectangle lacking a wide side and an elliptical arc, and the two sides of the elliptical arc are respectively lacking the wide sides of the two long sides of the rectangle. One end meets.

Meanwhile, the present embodiment provides a laser reflective holographic cooker shown in FIG. 4, comprising an eyepiece 2 disposed in the outer casing 9, placed at the rear end of the laser tube 1, and a laser tube 1 disposed in the inner casing 6. On the objective lens 3 on the outgoing light path of the laser tube 1, a magnifying lens 4 is disposed between the objective lens 3 and the laser tube 1, and the eyepiece 2 here is transparent. The holographic grating is a reflective holographic dry lens, and a light absorbing layer is disposed on the inner wall of the outer casing 9 corresponding to the light transmitting opening 8 to further reduce the influence of stray light.

Similarly, in order to increase the efficiency of use of light energy and prolong the battery life, a semi-cylindrical lens 5 for compressing the opening angle of the light emitted from the laser tube 1 is provided on the outgoing light path between the laser tube 1 and the beam expander lens 4.

As shown in FIG. 5, the housing 9 is provided with an adjustment button and an adjustment button control panel 10 including a laser tube brightness control circuit, and the adjustment button is electrically connected to the adjustment button control panel 10, the adjustment button control panel 10 and the laser tube 1 Electrical connection; adjustment button includes laser tube brightness adjustment manual button 11 and laser tube brightness dimming manual button 12, adjustment button control panel 10 in this figure, laser tube brightness adjustment manual button 11 and laser tube brightness dimming manual button 12 is provided at the top end of the outer casing 9.

The bottom end of the casing 9 is provided with a photosensitive member PD13 for detecting ambient light, and the photosensitive member PD13 is electrically connected to the adjustment button control panel 10 to feed back a signal to the laser tube brightness control circuit to control the brightness of the laser tube 1.

The right side of the objective lens 3, that is, the right end of the outer casing 9, is provided with a cut-off glass 19 having a filter (to prevent the laser from being irradiated onto the target and causing the shooter's orientation to be exposed), sealing and protection functions.

As shown in FIG. 6, an auxiliary cooker 14 is disposed outside the outer casing 9, and the switch button 15 of the auxiliary cooker 14 is disposed at the top of the outer casing 9, and FIG. 5 shows that the switch button 15 is disposed after the laser tube brightness dimming manual button 12. The auxiliary cooker 14 is disposed at one side of the outer casing 9.

The housing 9 is provided with a vertical vertical screw 16 and a horizontal horizontal screw 17, the screw of the vertical screw 16, the screw housing 9 of the horizontal screw 17 extending outside the housing 9 and the inner casing 6 The outer surface of the wall is in contact with each other such that the position of the inner casing 6 in the vertical direction and the horizontal direction changes with the screwing of the vertical screw 16 and the horizontal screw 17; as can be seen from Fig. 7, the inner wall of the outer casing 9 is provided with The elastic piece 18 is disposed on the reverse extension line of the angle bisector of the angle between the vertical screw 16 and the horizontal screw 17, and the elastic piece 18 is a beryllium bronze elastic piece.

Claims

claims

1. A holographic equipment optical path, an eyepiece provided at the rear end of the laser tube, an objective lens provided on the exit light path of the laser tube, and a beam expander lens provided between the objective lens and the laser tube, characterized by: the eyepiece is a transmission holographic grating, the objective lens is a reflective holographic dry plate lens; or the eyepiece is a transmissive holographic dry plate lens, and the objective lens is a holographic lens or holographic grating.

2. The optical path of the holographic tool as claimed in claim 1, characterized in that: a semi-cylindrical lens, a cylindrical lens or a composite cylinder for compressing the opening angle of the outgoing light is provided between the laser tube and the beam expander lens. Mirror, the convex surface of the semi-cylindrical lens, cylindrical lens or composite cylindrical mirror is arranged toward the exit pupil of the laser tube.

3. The optical path of the holographic tool as claimed in claim 1 or 2, characterized in that: the exit optical path of the objective lens is provided with cut-off filter glass for filtering out laser light.

4. A laser reflection type holographic tool, including an eyepiece arranged in a casing and placed at the rear end of a laser tube, a laser tube arranged in the inner casing, an objective lens arranged on the exit light path of the laser tube, the objective lens and the laser tube A beam expander lens is provided in between, which is characterized in that: the eyepiece is a transmissive holographic grating, and the objective lens is a reflective holographic dry plate lens; or the eyepiece is a transmissive holographic dry plate lens, and the objective lens is a holographic lens or holographic grating.

5. The laser reflective holographic tool as claimed in claim 4, characterized in that: a light-transmitting port is provided on the annular wall of the inner shell, and a light-absorbing layer is provided on the inner wall corresponding to the light-transmitting port.

6. The laser reflection type holographic tool as claimed in claim 4, characterized in that: a half-opening angle for compressing the outgoing light of the laser tube is provided on the outgoing optical path between the laser tube and the beam expander lens. Cylindrical lens or cylindrical lens or compound cylindrical mirror, the convex surface of the semi-cylindrical lens or cylindrical lens or compound cylindrical mirror is arranged toward the exit pupil of the laser tube.

7. The laser reflective holographic kit as claimed in claim 4, characterized in that: an auxiliary kit for providing illumination is provided outside the housing, and a switch button of the auxiliary kit is provided on the housing.

8. The laser reflective holographic tool as claimed in claim 4, characterized in that: the housing is provided with a vertical screw in a vertical direction and a horizontal screw in a horizontal direction, and the screw rod and the horizontal screw of the vertical screw are The screw rod of the screw extends from the outside of the housing to the inside of the housing and contacts the outer surface of the annular wall of the inner housing, so that the position of the inner housing in the vertical and horizontal directions follows the advancement of the vertical screw and horizontal screw. Change by election;

An elastic piece is provided on the inner wall of the housing. The elastic piece is arranged on the reverse extension of the angle bisector of the angle between the vertical screw and the horizontal screw. The elastic piece is a beryllium bronze elastic piece.

9. The laser reflective holographic tool as claimed in claim 5, characterized in that: the projection outline of the light-transmitting port on the horizontal plane is formed by connecting a rectangle lacking a wide side and an elliptical arc, and the elliptical arc is The two sides are connected to the end of the two long sides of the rectangle that lacks the wide side.

10. The laser reflective holographic kit as claimed in claim 9, characterized in that: the housing is provided with an adjustment button and an adjustment button control panel containing a laser tube brightness control circuit, and the adjustment button and the adjustment button control The board is electrically connected, and the adjustment button control board is electrically connected to the laser tube; the adjustment button includes a manual button for brightening the brightness of the laser tube and a manual button for dimming the brightness of the laser tube.

11. The laser reflective holographic kit as claimed in claim 10, characterized in that: the housing is provided with a photosensitive element PD for detecting ambient light, and the photosensitive element PD is electrically connected to the adjustment button control board. The feedback signal is given to the laser tube brightness control circuit to control the brightness of the laser tube.