TWM516722U - Night vision telescope - Google Patents

Abstract

A night vision telescope is provided. The night vision telescope includes a telescope housing, an image capturing lens and at least one red LED. The telescope housing includes an objective end and an eyepiece end, and the objective end is opposite to the eyepiece end. The image capturing lens is disposed on the objective end. The red LED is disposed on the objective end. During a night mode, the red LED provide illumination to assist the image capturing lens to capture image. The light emitting angle of each red Led is smaller than 18 DEG.

Description

Telescope with night vision

The present invention relates to a telescope, and more particularly to a telescope with night vision function.

The conventional night vision telescope is very expensive and has a limited night vision distance. In general, the conventional night vision telescope has a night vision distance of about 50 呎 to 80 呎, so it does not provide sufficient telescopic function. In addition, in the conventional night vision telescope, the oblique light emitted from the display screen often enters the user's eyes through the eyepiece, allowing the user to feel the glare, causing discomfort to the user's eyes and reducing the discomfort. The viewing quality of night vision telescopes.

The present invention is a night vision telescope provided to solve the problems of the prior art, comprising a telescope housing, an image capturing lens and an at least one red light emitting diode. The telescope housing includes an objective end and an eyepiece end opposite the eyepiece end. The image capturing lens is disposed at the end of the objective lens. The red light emitting diode is disposed at the end of the objective lens, wherein when in a night mode, the red light emitting diodes provide illumination to assist the image capturing lens to capture an image, wherein each red light is illuminated The main light exit angle of the diode is less than 18°.

In one embodiment, the red light emitting diodes comprise a first red light emitting diode group and a second red light emitting diode group, the first 1. The second red light emitting diode group is respectively located on both sides of the image capturing lens.

In one embodiment, the first red light emitting diode group includes a plurality of first red light emitting diodes, and the second red light emitting diode group includes a plurality of second red light emitting diodes The first red light emitting diodes and the second red light emitting diodes are arranged in a matrix.

In one embodiment, the first red light emitting diodes and the second red light emitting diodes have a power greater than 1.5W.

In one embodiment, the first red light emitting diodes and the second red light emitting diodes are twelve in number and arranged in a 3×4 manner.

In one embodiment, the first red light emitting diodes and the second red light emitting diodes have an arrangement pitch of ~.

In an embodiment, the aperture of the image capture lens is greater than ~.

In one embodiment, the telescope further includes a display screen disposed in the telescope housing, the display screen facing the eyepiece end to display an image obtained by the image capturing lens.

In one embodiment, the telescope housing further includes a first inner wall and a second inner wall, the first inner wall and the second inner wall extending from the display screen toward the eyepiece end in an involute manner.

In one embodiment, the first inner wall and the second inner wall comprise a plurality of scattering structures that provide a diagonal light scatter to the display screen to prevent the oblique light from being directed toward the eyepiece end.

In an embodiment, the telescope further includes a first eyepiece and a second eyepiece, and the first eyepiece and the second eyepiece are disposed at the eyepiece end.

In an embodiment, the telescope further includes a knob, a first rack and a second rack, the first rack is connected to the first eyepiece, and the second rack is connected to the second eyepiece, the knob is connected The first rack and the second rack, when the knob rotates, drive the first rack and the second rack to move relative to each other, thereby adjusting a distance between the first eyepiece and the second eyepiece.

In one embodiment, the telescope further includes a pivoting mask that is open when in the night mode to allow light to fully enter the image capturing lens when in a daylight mode The pivoting mask is shielded to limit the light entering the image capturing lens.

In the embodiment of the present invention, a red light emitting diode with a main light-emitting angle of less than 18° is used, and a red light-emitting diode with a light-emitting angle of less than 18° is used in combination with the special design of the image capturing lens. The night vision distance of the night vision telescope can reach 100 meters to 200 meters, which greatly increases the night vision distance.

1‧‧‧ telescope

10‧‧‧ Telescope housing

11‧‧‧ Objective end

12‧‧‧ eyepiece end

13‧‧‧First inner wall

14‧‧‧Second inner wall

15‧‧‧scattering structure

20‧‧‧Image capture lens

30‧‧‧Red light emitting diode

31‧‧‧First red light emitting diode group

32‧‧‧Second red light emitting diode group

33‧‧‧First red light emitting diode

34‧‧‧Second red light emitting diode

40‧‧‧ Display screen

51‧‧‧ first eyepiece

52‧‧‧second eyepiece

53‧‧‧ knob

54‧‧‧First rack

55‧‧‧second rack

60‧‧‧ mask

71‧‧‧ battery case

72‧‧‧Control panel

73‧‧‧Red light emitting diode circuit board

74‧‧‧矽胶眼罩

75‧‧‧Screen border

Figure 1 is a perspective view showing the night vision telescope of the present creation.

Figure 2 is a top view showing the night vision telescope of the present creation.

Figure 3 is a diagram showing another embodiment of the scattering structure of the present invention.

Fig. 4 is a view showing the eyepiece pitch modulation mechanism of the present embodiment.

Fig. 5A shows a pivotal mask of the present embodiment in which the pivoting mask is in an open state.

Fig. 5B shows a pivoting mask of the present embodiment in which the pivoting mask is in a shielded state.

Please refer to Figures 1 and 2, Figure 1 is a perspective view of the night vision telescope of the creation, and Figure 2 is a top view of the night vision telescope of the creation. The night vision telescope 1 of the present invention includes a telescope housing 10, an image capturing lens 20, and an at least one red light emitting diode 30. The telescope housing 10 includes an objective end 11 and an eyepiece end 12 opposite the eyepiece end 12. The image capturing lens 20 is disposed at the objective end 11. The red light emitting diodes 30 are disposed at the objective end 11 , wherein when in a night mode, the red light emitting diodes 30 provide illumination to assist the image capturing lens to capture images, wherein each The main light-emitting angle of the red light-emitting diode is less than 18°.

In this embodiment, a red light emitting diode having a main light exit angle of less than 18° is used. In the present specification, the “main light exit angle” refers to a light exit angle of 50% of the light output amount of each red light emitting diode. . Through the special design of the image capturing lens 20 with the red light emitting diode with the main light-emitting angle less than 18°, the night vision distance of the night vision telescope 1 of this creation can reach 100 meters to 200 meters, greatly improving The night vision distance.

In the above embodiment, the main light-emitting angle of each of the red light-emitting diodes is less than 18°. In a modified example, the main light-emitting angle of each of the red light-emitting diodes is less than 15°, and in another modification The main light-emitting angle of each red light-emitting diode is less than 12°. The main light-emitting angle can be controlled by the packaging process of the red light-emitting diode, and specifically, can be controlled by the lens package design of the red light-emitting diode.

Referring to FIG. 1 , the red light emitting diodes 30 include a first red light emitting diode group 31 and a second red light emitting diode group 32. A red light emitting diode group 31 and a second red light emitting diode group 32 are respectively located on both sides of the image capturing lens 20. The first red light emitting diode group 31 includes a plurality of first red light emitting diodes 33, and the second red light emitting diode group 32 includes a plurality of second red light emitting diodes 34. The first red light-emitting diodes 33 and the second red light-emitting diodes 34 are arranged in a matrix.

In one embodiment, the first red light emitting diodes and the second red light emitting diodes have a power greater than 1.5W. Through the high-power red light-emitting diode, the night vision distance of the night vision telescope 1 of this creation can reach 100 meters to 200 meters, which greatly increases the night vision distance.

Referring to FIG. 1 , in an embodiment, the first red light emitting diodes and the second red light emitting diodes have a power of 1.8 W and a number of two. In another embodiment, the first red light emitting diodes and the second red light emitting diodes have a power of 0.3 W, a number of 12, and are arranged in a 3×4 manner. . Through the above design, fewer red light emitting diodes can provide better telescopic illumination effects.

In an embodiment of the present invention, the aperture of the image capture lens is greater than 1.3 mm. By capturing the lens with a larger aperture image, the amount of light entering the lens can be increased to improve the viewing quality at night.

Referring to FIG. 2, the telescope 1 further includes a display screen 40 disposed in the telescope housing 10, and the display screen 40 faces the eyepiece end 12 to display an image obtained by the image capturing lens 20. The telescope housing further includes a first inner wall 13 and a second inner wall 14. The first inner wall 13 and the second inner wall 14 are opposite to each other, and the first inner wall 13 and the second inner wall 14 are The display screen 40, Extending toward the eyepiece end 12 in an involute manner. In this embodiment, a viewing area with a separate space between the screen 40 and the eyepiece is displayed, so that the user's eyes can display a larger image and a comfortable effect when viewing the screen 40.

Referring to FIG. 2, in an embodiment, the first inner wall 13 and the second inner wall 14 include a plurality of scattering structures 15 that scatter the oblique light B provided by the display screen 40 (reflection) ), the oblique light B is prevented from being directed toward the eyepiece end 12. In an embodiment, the scattering structures 15 may be black or fabricated in a light absorbing material. In an embodiment, the scattering structures 15 direct light to the display screen 40. Referring to Figure 3, there is shown another embodiment of a scattering structure 15 wherein the scattering structure 15 can be a striped structure.

Referring to FIG. 4, the eyepiece pitch modulation mechanism of the present embodiment is shown. In an embodiment, the telescope 1 further includes a first eyepiece 51 and a second eyepiece 52, the first eyepiece 51 and the first A dimocular 52 is provided at the end of the eyepiece. The telescope 1 further includes a knob 53, a first rack 54 and a second rack 55. The first rack 54 is connected to the first eyepiece 51, and the second rack 55 is connected to the second eyepiece 52. The knob 53 is connected to the first rack 54 and the second rack 55. When the knob 53 rotates, the first rack 54 and the second rack 55 are relatively moved, thereby adjusting the first eyepiece 51 and The distance between the second eyepieces 52 (pitch).

Referring to Figures 5A, 5B, in one embodiment, the telescope 1 further includes a pivoting mask 60 that, when in the night mode, is in an open state (Fig. 5A) to The light is sufficiently directed into the image capture lens 20. When in a daylight mode (Fig. 5B), the pivoting mask 60 is shielded to limit the light entering the image capturing lens 20. Pivot mask 60 can include infrared Line filter.

Referring to the first and second figures, the telescope 1 of the present invention further includes a battery case 71, a control board 72, a red light emitting diode circuit board 73, a silicone eye shield 74 and the like, and the size of the silicone eye shield 74 can be thickened. Widened to enhance user comfort. Referring to Fig. 3, in an embodiment, a screen border 75 may be provided at the edge of the display screen 40 to prevent lifting.

Most of the night vision telescopes are used in mountaineering/camping/hunting/security/detection...etc. Basically, users want to be able to see the target far and clear, and not be found by the other party. Therefore, this creation uses active infrared (wavelength 850-940 nm) as a light source. At this wavelength, infrared rays cannot be seen by the human eye. This design uses a special wavelength sensing sensor infrared area type sensor to collect the infrared light reflected by the observed object and convert it into the processing software of the DSP microprocessor. A visual image of the LCD display achieves the function of a night vision telescope.

In order to obtain infrared light energy to reach a distance of 100 meters / 200 meters, even in other examples up to 500 meters away from the observed object to reflect the infrared intensity can make the image of the lens of the lens to obtain clear image data signals, must be infrared The light concentrates the energy emission. Therefore, after repeated experiments, the light-emitting diode output angle must be equal to or less than 18 degrees, and the maximum illumination efficiency is obtained later.

In order to be used as an electronic telescope during the day, the applicant designed a pivotal filter mask in front of the lens. Open the mask at night to let the maximum infrared light enter. Turn off the mask during the day to control the aperture of the lens and filter the infrared light that would interfere with the color quality of the image in natural sunlight, so as to obtain the best viewing image at night or during the day. quality.

Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the present invention, and anyone skilled in the art can make some modifications and refinements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of this creation is subject to the definition of the scope of the patent application attached.

1‧‧‧ telescope

10‧‧‧ Telescope housing

11‧‧‧ Objective end

12‧‧‧ eyepiece end

20‧‧‧Image capture lens

30‧‧‧Red light emitting diode

31‧‧‧First red light emitting diode group

32‧‧‧Second red light emitting diode group

33‧‧‧First red light emitting diode

34‧‧‧Second red light emitting diode

71‧‧‧ battery case

72‧‧‧Control panel

Claims (14)

A telescope with night vision function includes: a telescope housing comprising an objective end and an eyepiece end opposite to the eyepiece end; an image capturing lens disposed at the objective end; at least one red light emitting a diode disposed at the end of the objective lens, wherein, when in a night mode, the red light emitting diode provides illumination to assist the image capturing lens to capture an image, wherein the red light emitting diode The main light exit angle is less than 18°. The telescope of claim 1, wherein the red light emitting diode comprises a first red light emitting diode group and a second red light emitting diode group, the first The second red light emitting diode group is respectively located on both sides of the image capturing lens. The telescope of claim 2, wherein the first red light emitting diode group comprises a plurality of first red light emitting diodes, and the second red light emitting diode group comprises a plurality The second red light emitting diodes, the first red light emitting diodes and the second red light emitting diodes are arranged in a matrix manner. The telescope of claim 3, wherein the first red light emitting diode and the second red light emitting diode have a power greater than 1.5W. The telescope of claim 4, wherein the first red light emitting diodes and the second red light emitting diodes have a power of 1.8 W and a total number of two. The telescope according to claim 5, wherein the first red light emitting diodes and the second red light emitting diodes have an arrangement pitch of 10 mm. The telescope of claim 5, wherein the image capturing lens has an aperture of more than 1.3 mm. The telescope of claim 1, further comprising a display screen disposed in the telescope housing, the display screen facing the eyepiece end to display an image obtained by the image capturing lens. The telescope of claim 8, wherein the telescope housing further comprises a first inner wall and a second inner wall, the first inner wall and the second inner wall facing each other, the first inner The wall and the second inner wall extend from the display screen toward the eyepiece end in an involute manner. The telescope of claim 9, wherein the first inner wall and the second inner wall comprise a plurality of scattering structures, the scattering structure providing a screen to provide an oblique light scattering to avoid the oblique direction Light is directed at the end of the eyepiece. The telescope of claim 1, further comprising a first eyepiece and a second eyepiece, the first eyepiece and the second eyepiece being disposed at the eyepiece end. The telescope of claim 11, further comprising a knob, a first rack and a second rack, the first rack connecting the first eyepiece and the second rack connecting the second An eyepiece, the knob is connected to the first rack and the second rack, and when the knob is rotated, the first rack and the second rack are relatively moved, thereby adjusting the first eyepiece and the second mesh The distance between the mirrors. The telescope of claim 1, further comprising a pivoting mask, wherein when in the night mode, the pivoting mask is open to allow light to fully enter the image capturing lens. When in a daylight mode, the pivoting mask is shielded to control the aperture of the lens and to filter out the interfering infrared light in the daylight to provide high quality images for day and night vision. A telescope with night vision function includes: a telescope housing comprising an objective end and an eyepiece end opposite to the eyepiece end; an image capturing lens disposed at the objective end; at least one red light emitting a diode disposed at the end of the objective lens, wherein, in a night mode, the red light emitting diode provides illumination to assist the image capture lens to capture an image; and a display screen is disposed on the telescope housing The display screen faces the eyepiece end to display an image obtained by the image capturing lens, wherein the telescope housing further includes a first inner wall and a second inner wall, the first inner wall and the The second inner walls are opposite each other, and the first inner wall and the second inner wall comprise a plurality of scattering structures that provide the display screen with an oblique light scatter to prevent the oblique light from being directed toward the eyepiece end.