CN212484055U

CN212484055U - Azimuth lamp projector

Info

Publication number: CN212484055U
Application number: CN202021462077.8U
Authority: CN
Inventors: 杨勇
Original assignee: Chengdu Jindu Chaoxing Astronomy Equipment Co ltd
Current assignee: Chengdu Jindu Chaoxing Astronomy Equipment Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-02-05
Anticipated expiration: 2030-07-22

Abstract

The application relates to an azimuth lamp projector, which comprises a projection lens, a main lens barrel and a light source lamp, wherein the projection lens is positioned at one end of the main lens barrel; the imaging assembly comprises a graph reticle, the graph reticle is located in the main lens barrel, a position light-transmitting area for light to penetrate is arranged on the graph reticle, when the graph reticle is irradiated by light, the light penetrates through the position light-transmitting area, an image of the position light-transmitting area is formed on the projection lens, and the projection lens projects the image of the position light-transmitting area. Compared with the prior art, the method and the device have the effect of judging the direction more easily.

Description

Azimuth lamp projector

Technical Field

The present application relates to the field of astronomical instruments, and more particularly, to an azimuth lamp projector.

Background

Planetarium, also known as pseudo-celestial globe, is a popular science apparatus for simulating starry sky performance. The planetarium can demonstrate various celestial bodies seen by people on the earth with different longitudes and latitudes on a hemispherical backdrop. The astronomical phenomena instrument is combined with various auxiliary instruments, can demonstrate the motion laws of main stars, planets, star groups and stars and clouds in the universe in a short time, the east rise and west fall of the sun and the profit and loss of the moon, and is visual, vivid and interesting.

Currently, the accessories of the planetarium include a sunset projector, a meteor shower projector, a sunrise projector, a sunset projector, a solar system projector, and the like.

In the process of starry sky simulation performance by using the astronomical phenomena instrument, the direction can be changed to demonstrate in multiple directions to show the overall appearance, so that the vividness and the reality of the demonstration are increased. At present, in a large number of performances, the azimuth is usually judged manually, so that the azimuth can be judged incorrectly, and then the required azimuth needs to be adjusted by multiple operations, and the azimuth cannot be judged easily by people watching the performances at the same time.

SUMMERY OF THE UTILITY MODEL

To more easily determine the orientation, the present application provides an orientation light projector.

The application provides a position lamp projector adopts following technical scheme:

the azimuth lamp projector comprises a projection lens, a main lens barrel and a light source lamp, wherein the projection lens is positioned at one end of the main lens barrel, the light source lamp is arranged at one end, far away from the projection lens, of the main lens barrel, an imaging assembly is arranged in the main lens barrel, and the imaging assembly is used for forming an azimuth indicating image.

By adopting the technical scheme, the light of the light source lamp irradiates to the imaging component in the main lens cone, the light penetrates through the imaging component to form an azimuth indicating image at the projection lens, and the projection lens projects the azimuth indicating image to indicate the azimuth, so that the azimuth can be judged more easily.

Preferably, the imaging component comprises a graphic reticle, the graphic reticle is positioned in the main lens barrel, the graphic reticle is provided with a position word, and the graphic reticle is provided with a position light-transmitting area for light to transmit.

By adopting the technical scheme, light emitted by the light source lamp irradiates towards the graphic reticle along the length direction of the main lens barrel, when the graphic reticle is in a light path, part of light meets the graphic reticle to block a propagation path, and part of light penetrates through the azimuth light-transmitting area to continue to propagate, so that an image of the azimuth light-transmitting area is formed on the projection lens, and the projection lens projects the image of the azimuth light-transmitting area, so that a stable azimuth indication image can be obtained.

Preferably, an optical imaging cylinder is slidably disposed in the main lens barrel, the graphic reticle is disposed in the optical imaging cylinder, and a focusing member for driving the optical imaging cylinder to slide along the length direction of the main lens barrel is disposed on the main lens barrel.

Through adopting above-mentioned technical scheme, through setting up the optical imaging section of thick bamboo and set up the figure reticle in the optical imaging section of thick bamboo for focusing piece drive optical imaging section of thick bamboo drives the figure reticle and slides in the main lens cone, thereby can focus, and then can obtain clearer position instruction image.

Preferably, the focusing member includes a sliding screw, a first threaded hole is formed in the optical imaging cylinder, a sliding hole is formed in the main lens barrel, one end of the sliding hole is close to the light source lamp, the other end of the sliding hole is far away from the light source lamp, the tail of the sliding screw is in threaded fit with the first threaded hole, the head of the sliding screw extends out of the sliding hole, the sliding screw is in sliding fit with the sliding hole, and the width of the sliding hole is smaller than the diameter of the head of the sliding screw.

Through adopting above-mentioned technical scheme, it can fix an optical imaging section of thick bamboo to screw up the sliding screw, and it can let the sliding screw slide on the sliding hole to unscrew the sliding screw to can slide an optical imaging section of thick bamboo to the optional position of sliding hole, and fix in optional position department through the sliding screw, thereby make things convenient for the regulation of an optical imaging section of thick bamboo position.

Preferably, the surface of the graph reticle provided with the azimuth light-transmitting area is positioned at one end of the optical imaging cylinder close to the light source lamp.

Through adopting above-mentioned technical scheme, set up the face that is provided with the position word on the reticle in the one end that is close to the light source lamp for the light that the light source lamp sent shines to the front of position word, thereby makes the position direction that forms on projection lens forward, makes things convenient for the operator to inspect whether there is the damage in position light-transmitting zone, also makes things convenient for the operator to judge the position according to the position instruction image directly perceivedly simultaneously.

Preferably, the graphic reticle comprises colorless optical glass and a metal film arranged on the surface of the colorless optical glass, and an azimuth light-transmitting area for light to transmit is arranged on the metal film.

Through adopting above-mentioned technical scheme, colourless optical glass has good light transmissivity and chemical stability for light can see through, and is difficult to warp, and the metallic film plays the effect that is in the light, and light meets behind the metallic film propagation path and is blocked, and shines to the light continuation propagation in position light-transmitting zone, and then forms the position instruction image, avoids the position instruction image of formation to a certain extent to obscure or warp.

Preferably, one end of the main lens barrel, which is far away from the light source lamp holder, is detachably connected with a projection lens barrel, and the projection lens is arranged in the projection lens barrel.

By adopting the technical scheme, the projection lens and the main lens barrel are divided into two parts, and the projection lens barrel and the main lens barrel are detachably connected, so that when an imaging component in the projection lens or the main lens barrel is damaged, a new projection lens or imaging component can be replaced, and the cost can be reduced.

Preferably, be provided with mounting panel and regulating plate on the projection lens cone, the mounting hole has all been seted up on regulating plate and the mounting panel, regulating plate and mounting panel all overlap on the projection lens cone through the mounting hole slip cap, be provided with the inclination that is used for adjusting the regulating plate between regulating plate and the mounting panel and make the regulating part that produces the contained angle between regulating plate and the mounting panel.

Through adopting above-mentioned technical scheme, install position lamp projector on practical application's part through the mounting panel, can make through adjusting the regulating part and produce the contained angle between regulating plate and the mounting panel, can adjust the projection angle of position lamp projector to can adjust the projected angle, and then improve the flexibility.

Preferably, the regulating part is including a plurality of adjusting screw that encircle mounting panel and regulating plate, all set up the bolt hole that supplies adjusting screw to pass on mounting panel and the regulating plate, the aperture of bolt hole is greater than adjusting screw's diameter.

Through adopting above-mentioned technical scheme, for the angle between convenient regulation regulating plate and the mounting panel, be provided with adjusting screw, through the length that adjusting screw twists around the mounting hole on the regulating plate, can adjust the gradient and the incline direction of regulating plate to make things convenient for the regulating plate to incline towards arbitrary direction, and then conveniently adjust projection angle.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the azimuth lamp projector is provided with the projection lens, the main lens barrel, the graphic reticle arranged in the main lens barrel and the light source lamp, light of the light source lamp irradiates the graphic reticle in the main lens barrel, light rays form an image at the projection lens through the imaging assembly to form an azimuth indicating image, and the projection lens projects the azimuth indicating image to indicate the azimuth, so that the azimuth can be judged more easily;

2. through the combined action of mounting panel, regulating plate and adjusting screw, can adjust the contained angle between regulating plate and the mounting panel to can adjust the projected angle of position lamp projector, and then the improvement flexibility of position lamp projector.

Drawings

Fig. 1 is a schematic structural view of an orientation light projector according to an embodiment of the present application.

Fig. 2 is an exploded view of an azimuth light projector according to an embodiment of the present application.

Fig. 3 is an exploded view for showing an imaging assembly.

Fig. 4 is an exploded view for showing a connection relationship of the adjustment plate and the mounting plate.

Description of reference numerals: 1. a projection lens barrel; 11. a flange; 12. a projection lens; 2. a main barrel; 21. a slide hole; 3. a light source lamp holder; 31. mounting grooves; 32. a light source lamp; 4. an imaging assembly; 41. an optical imaging cylinder; 411. a first threaded hole; 412. a sliding screw; 413. a gasket; 42. a graph reticle; 421. a colorless optical glass; 422. a metal film; 5. a set screw; 6. mounting a plate; 61. a second threaded hole; 7. an adjusting plate; 71. an adjusting screw; 8. mounting holes; 9. bolt holes.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses an azimuth lamp projector. Referring to fig. 1 and 2, the azimuth lamp projector includes a projection lens 12, a main barrel 2, and a light source lamp 32, the projection lens 12 being disposed at one end of the main barrel 2, and the light source lamp 32 being disposed at one end of the main barrel 2 away from the projection lens 12. An imaging component 4 is arranged in the main lens barrel 2, and the imaging component 4 is used for forming an orientation indication image. The light of the light source lamp 32 irradiates to the imaging component 4 in the main lens barrel 2, the light penetrates through the imaging component 4 to form an image at the position of the projection lens 12 to form an azimuth indicating image, and the projection lens 12 projects the azimuth indicating image to indicate the azimuth, so that the azimuth can be judged more easily; in this embodiment, a cylindrical light source lamp holder 3 is disposed at one end of the main lens barrel 2 away from the projection lens 12, a mounting groove 31 is formed in the light source lamp holder 3, and the light source lamp 32 is disposed in the mounting groove 31, so that the main lens barrel 2 and the light source lamp holder 3 form a closed environment, thereby avoiding other light rays from affecting the azimuth lamp projector to a certain extent, and simultaneously playing a role in limiting the light rays, thereby enabling imaging at the projection lens 12.

Referring to fig. 2, one end of the main lens barrel 2 close to the light source lamp 32 holder 3 is sleeved in the mounting groove 31 of the light source lamp holder 3, and the detachable connection of the light source lamp holder 3 and the main lens barrel 2 is realized through the positioning screw 5, so that when the light source lamp 32 is damaged, the old light source lamp holder 3 and the light source lamp 32 can be detached, the light source lamp holder 3 and the light source lamp 32 can be replaced with new ones, and the maintenance cost of the azimuth lamp projector can be effectively reduced.

Referring to fig. 3, the imaging module 4 includes a graphic reticle 42, the graphic reticle 42 is disposed in the main barrel 2, and the graphic reticle 42 has an azimuth transmissive region disposed thereon. The graphic reticle 42 includes a colorless optical glass 421 and a metal film 422 disposed on the surface of the colorless optical glass 421, and an orientation transparent area for light to pass through is disposed on the metal film 422, so that light can continue to propagate through the orientation transparent area to form an orientation indication image. The azimuth light-transmitting area can be arranged in the shapes of east, south, west, north, up, down, left, right and the like, and the specific shape is set according to practical application.

Referring to fig. 2 and 3, an optical imaging cylinder 41 is slidably disposed in the main barrel 2, a reticle 42 is disposed in the optical imaging cylinder 41, and a focus adjusting member for driving the optical imaging cylinder 41 to slide in the longitudinal direction of the main barrel 2 is disposed on the main barrel 2. So that the optical imaging cylinder 41 can protect the reticle 42 when the light-transmitting plate moves in the main barrel 2 while facilitating the removal and replacement when the projection lens 12 is damaged. In order to conveniently check whether the azimuth light-transmitting area is damaged or not, the surface of the graphical reticle 42, on which the azimuth light-transmitting area is arranged, is arranged at one end close to the light source lamp 32, so that the projected azimuth indicating image is forward, and meanwhile, people can conveniently and visually judge the azimuth according to the azimuth indicating image.

Referring to fig. 2 and 3, in order to adjust the direction indication image sharpness, the focus adjustment member includes a sliding screw 412, the optical imaging cylinder 41 has a first threaded hole 411, the main barrel 2 has an elongated sliding hole 21, one end of the sliding hole 21 is close to the light source lamp 32, and the other end of the sliding hole 21 is far from the light source lamp 32. The tail of the sliding screw 412 is in threaded fit with the first threaded hole 411, the screw diameter of the sliding screw 412 is smaller than the width of the sliding hole 21, the head of the sliding screw 412 extends out of the sliding hole 21 and is in sliding fit with the sliding hole 21, and the width of the sliding hole 21 is smaller than the diameter of the head of the sliding screw 412. The optical imaging cylinder 41 can be slid to any position on the sliding hole 21 and fixed at any position, thereby adjusting the definition of the orientation indication image.

Referring to fig. 3, in order to prevent external light from entering the main barrel 2 from the sliding hole 21 to some extent and to affect the imaging of the azimuth indicating image, a gasket 413 is provided on the side surface of the optical imaging cylinder 41 and around the first threaded hole 411. The gasket 413 is provided in an arc shape to increase a contact area with the main barrel 2, further enhancing light-shielding capability.

Referring to fig. 2, the projection lens barrel 1 is detachably connected to an end of the main barrel 2 away from the light source lamp 32, and the projection lens 12 is disposed in the projection lens barrel 1. The outer wall of one end of the projection lens cone 1 close to the main lens cone 2 is provided with threads, the inner wall of one end of the main lens cone 2 close to the projection lens cone 1 is provided with threads, and the projection lens cone 1 is in threaded fit with the main lens cone 2. When the projection lens 12 or the imaging module 4 inside the main barrel 2 is damaged, the projection lens 12 or the imaging module 4 can be replaced with a new one, so that maintenance costs can be reduced.

Referring to fig. 1 and 4, the projection lens barrel 1 is provided with a mounting plate 6 and an adjustment plate 7. The mounting hole 8 is formed in a surface of the mounting plate 6 parallel to the adjustment plate 7, and a second screw hole 61 is formed in a surface of the mounting plate 6 perpendicular to the adjustment plate 7, so that the azimuth lamp projector can be mounted on a stand of the astronomical telescope by a member such as a bolt. Mounting holes 8 are formed in the adjusting plate 7 and the mounting plate 6, the adjusting plate 7 and the mounting plate 6 are sleeved on the projection lens barrel 1 in a sliding mode through the mounting holes 8, and the adjusting plate 7 is rectangular. Mounting panel 6 sets up to the L type, is provided with the inclination that is used for adjusting plate 7 between adjusting plate 7 and the mounting panel 6 and makes the regulating part that produces the contained angle between adjusting plate 7 and the mounting panel 6 to can adjust the projection angle of position lamp projector, thereby can adjust the projected angle, and then improve the flexibility.

Referring to fig. 4, in order to prevent the mounting plate 6 and the adjustment plate 7 from being separated from the projection lens barrel 1 to some extent, a flange 11 is provided on the projection lens 12 in a circumferential direction, the adjustment plate 7 and the mounting plate 6 are respectively provided on both sides of the flange 11, and the diameter of the flange 11 is larger than the diameter of the mounting hole 8.

Referring to fig. 4, in order to adjust the angle between the adjusting plate 7 and the mounting plate 6 conveniently, the adjusting member is set to be an adjusting screw 71, bolt holes 9 for the adjusting screws 71 to pass through are formed in the mounting plate 6 and the adjusting plate 7, the bolt holes 9 are arranged around the mounting hole 8, and the diameter of the bolt holes 9 is larger than that of the adjusting screws 71. In the present embodiment, the bolt holes 9 are provided in four. The inclination and the inclination direction of the adjusting plate 7 can be adjusted by adjusting the screwing length of the adjusting screws 71 around the mounting holes 8 on the adjusting plate 7, so that the adjusting plate 7 can be inclined towards any direction conveniently, and the projection angle can be adjusted conveniently.

The implementation principle of the azimuth lamp projector in the embodiment of the application is as follows: before the azimuth light projector is used, the azimuth light projector is mounted to the bracket of the planetarium through the second threaded hole 61 on the mounting plate 6. When the light source lamp 32 is turned on, the light emitted from the light source lamp encounters the reticle 42, part of the light is blocked by the metal film 422 on the reticle 42, and part of the light is projected on the projection lens 12 through the azimuth transmitting area to indicate the azimuth. When the projected orientation indicating image is blurred, the sliding screw 412 is loosened, the sliding screw 412 is slid on the sliding hole 21 until the orientation indicating image is clear, and then the sliding screw 412 is tightened.

When the angle of the projected azimuth indicating image is inclined, the adjusting screw 71 is adjusted to adjust the angle between the adjusting plate 7 and the mounting plate 6, so that the angle of the azimuth indicating image is normal.

When the projection lens 12 is damaged, the projection lens barrel 1 is removed and replaced with a new projection lens 12. Similarly, when the main barrel 2 and the components inside the main barrel 2 or the light source lamp 32 are damaged, the damaged components are removed and replaced with new ones.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An azimuth light projector, characterized in that: the device comprises a projection lens (12), a main lens barrel (2) and a light source lamp (32), wherein the projection lens (12) is located at one end of the main lens barrel (2), the light source lamp (32) is arranged at one end, far away from the projection lens (12), of the main lens barrel (2), an imaging component (4) is arranged in the main lens barrel (2), and the imaging component (4) is used for forming a position indication image.

2. The azimuth light projector as claimed in claim 1, wherein: the imaging component (4) comprises a graph reticle (42), the graph reticle (42) is located in the main lens barrel (2), and an azimuth light-transmitting area for light to penetrate is arranged on the graph reticle (42).

3. The azimuth light projector as claimed in claim 2, wherein: an optical imaging cylinder (41) is arranged in the main lens barrel (2) in a sliding mode, the graph dividing plate (42) is arranged in the optical imaging cylinder (41), and a focusing piece for driving the optical imaging cylinder (41) to slide along the length direction of the main lens barrel (2) is arranged on the main lens barrel (2).

4. The azimuth light projector as claimed in claim 3, wherein: the focusing piece comprises a sliding screw (412), a first threaded hole (411) is formed in the optical imaging barrel (41), a sliding hole (21) is formed in the main lens barrel (2), one end of the sliding hole (21) is close to the light source lamp (32), the other end of the sliding hole is far away from the light source lamp (32), the tail of the sliding screw (412) is in threaded fit with the first threaded hole (411), the head of the sliding screw (412) extends out of the sliding hole (21), the sliding screw (412) is in sliding fit with the sliding hole (21), and the width of the sliding hole (21) is smaller than the diameter of the head of the sliding screw (412).

5. The azimuth light projector as claimed in claim 3, wherein: the surface of the graph reticle (42) provided with the azimuth light-transmitting area is positioned at one end of the optical imaging cylinder (41) close to the light source lamp (32).

6. The azimuth light projector as claimed in claim 2, wherein: the graph reticle (42) comprises colorless optical glass (421) and a metal film (422) arranged on the surface of the colorless optical glass (421), wherein an azimuth light-transmitting area for light to penetrate is arranged on the metal film (422).

7. The azimuth light projector as claimed in claim 1, wherein: one end of the main lens cone (2) far away from the light source lamp (32) is detachably connected with a projection lens cone (1), and the projection lens (12) is arranged in the projection lens cone (1).

8. The azimuth light projector as claimed in claim 7, wherein: be provided with mounting panel (6) and regulating plate (7) on projection lens cone (1), mounting hole (8) have all been seted up on regulating plate (7) and mounting panel (6), regulating plate (7) and mounting panel (6) are all established on projection lens cone (1) through mounting hole (8) slip cap, be provided with the inclination that is used for adjusting regulating plate (7) between regulating plate (7) and mounting panel (6) and make and produce the tight regulating part of clamp between regulating plate (7) and mounting panel (6).

9. The azimuth light projector as claimed in claim 8, wherein: the regulating part is including a plurality of adjusting screw (71) that encircle mounting panel (6) and regulating plate (7), all set up bolt hole (9) that supply adjusting screw (71) to pass on mounting panel (6) and regulating plate (7), the aperture of bolt hole (9) is greater than the diameter of adjusting screw (71).