CN215336155U - Zoom imaging system - Google Patents
Zoom imaging system Download PDFInfo
- Publication number
- CN215336155U CN215336155U CN202121152640.6U CN202121152640U CN215336155U CN 215336155 U CN215336155 U CN 215336155U CN 202121152640 U CN202121152640 U CN 202121152640U CN 215336155 U CN215336155 U CN 215336155U
- Authority
- CN
- China
- Prior art keywords
- driving
- zoom
- connecting plate
- imaging system
- objective lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Lens Barrels (AREA)
Abstract
The utility model provides a zoom imaging system which comprises an installation frame, a light source, an aperture, a focusing barrel, a zoom lens, a first objective lens driving assembly and a second objective lens driving assembly. The utility model is provided with the mounting frame and the light source, the diaphragm, the focusing barrel, the zoom lens and the objective lens which are arranged in the mounting frame along the light path in sequence, so that the zoom imaging system is more compact. In addition, a first driving component for driving the zoom lens to move along the direction of the light path and a second driving component for driving the focusing barrel to move along the direction of the light path are arranged on the mounting frame, so that the zoom lens and the focusing barrel can be automatically adjusted, and the problem of inconvenience in manual adjustment in the prior art is solved.
Description
Technical Field
The utility model relates to the field of lamps, in particular to a zoom imaging system.
Background
Stage lights are one of the essential devices of stage lighting systems, and are widely used in various casinos and large-scale performances. The device can generate various light effects of each sign under the control of the control system, thereby enhancing the performance effect and greatly improving the ornamental property. Stage light fixtures can be basically divided into three types according to the effects they achieve: pattern lights, beam lights and soft lights. The pattern lamp generally requires that the projected light spots are uniform and have clearer boundaries, and the projected patterns are rich and colorful and have various effects. Most of lens groups of the stage lamp are the combination of a Fresnel lens and a plurality of spherical lenses, the volume and the weight of the lens groups are large, and manual focusing is adopted, so that the use is inconvenient.
SUMMERY OF THE UTILITY MODEL
In view of the drawbacks of the prior art, it is an object of the present invention to provide a zoom imaging system, comprising:
a light source, an aperture, a focusing barrel, a zoom lens and an objective lens;
the zoom imaging system further includes:
the light source, the diaphragm, the focusing barrel, the zoom lens and the objective lens are arranged on the mounting frame;
a first driving component for driving the zoom lens to move along the direction of the optical path;
the second driving component drives the focusing barrel to move along the direction of the optical path;
the distance between the objective lens and the zoom lens is 35-94 mm;
the distance between the objective lens and the focusing barrel is 133-226 mm;
the distance between the objective lens and the aperture is 270-290 mm;
the distance between the light source and the aperture is 130-150 mm.
Preferably, the light source includes:
a bottom case;
a heat sink disposed in the bottom case;
a lamp bowl disposed in the heat sink
The light emitter is arranged in the lamp bowl;
the cover body is arranged above the lamp bowl;
the first fan is communicated with the lamp bowl;
a second fan communicated with a space between the lamp bowl and the heat sink;
and a third fan communicated with a space between the heat sink and the bottom case.
Preferably, the mounting bracket comprises:
a substrate, a first electrode and a second electrode,
the first supporting plates are arranged on the upper surface of the substrate and are arranged close to two ends of the substrate;
the second supporting plates are arranged on the lower surface of the base plate and are close to two ends of the base plate;
the two ends of the first connecting plate are connected with the second supporting plate and are positioned below the substrate;
the objective lens is fixedly arranged at the top end of the first supporting plate, the light source is fixedly arranged at the lower end of the second supporting plate, and the aperture is fixedly arranged on the first connecting plate.
Preferably, the aperture comprises:
the positioning ring is arranged on the first connecting plate;
one end of the light blocking sheet is hinged with the positioning ring, the other end of the light blocking sheet shields the inner area of the positioning ring and forms a light through hole, and salient points are further arranged on the light blocking sheet;
the driving ring and the positioning ring clamp the light blocking sheet, a sliding groove matched with the salient points is further formed in the driving ring, and the driving ring rotates to drive the light blocking sheet to swing and drive the light through hole to zoom.
Preferably, the zoom imaging system further comprises a third driving assembly for driving the aperture zoom, comprising:
the driving motor is fixedly arranged on the first connecting plate;
an arc-shaped rack arranged on the periphery of the driving ring;
the driving gear is arranged on the driving motor;
and the driven gear is arranged on the first connecting plate and is respectively meshed with the arc-shaped rack and the driving gear.
Preferably, the first drive assembly comprises:
the guide rails are arranged on the side walls opposite to the first supporting plate;
the first sliding block is connected with the guide rail in a sliding manner;
the second connecting plate is arranged on the first sliding block, and the zoom lens is arranged on the second connecting plate;
the first motor is arranged on the first supporting plate;
the first driving wheel is arranged on a rotating shaft of the first motor;
the first driven wheel is arranged on one side of the first driving wheel;
and the first synchronous belt is connected with the first driving wheel and the first driven wheel and is also connected with the first sliding block.
Preferably, the second drive assembly comprises:
the second sliding block is connected with the guide rail in a sliding mode and is positioned below the first sliding block;
the third connecting plate is arranged on the second sliding block, and the focusing barrel is arranged on the third connecting plate;
the second motor is arranged on the first supporting plate;
the second driving wheel is arranged on a rotating shaft of the second motor;
the second driven wheel is arranged on one side of the second driving wheel;
and the second synchronous belt is connected with the second driving wheel and the second driven wheel, and the second synchronous belt is also connected with the second sliding block.
Preferably, the zoom imaging system further comprises a third connecting plate disposed at an upper end of the first supporting plate, and the objective lens is disposed on the third connecting plate.
The utility model is provided with the mounting frame and the light source, the diaphragm, the focusing barrel, the zoom lens and the objective lens which are arranged in the mounting frame along the light path in sequence, so that the zoom imaging system is more compact. In addition, a first driving component for driving the zoom lens to move along the direction of the light path and a second driving component for driving the focusing barrel to move along the direction of the light path are arranged on the mounting frame, so that the zoom lens and the focusing barrel can be automatically adjusted, and the problem of inconvenience in manual adjustment in the prior art is solved.
Drawings
FIG. 1 is a schematic diagram of a zoom imaging system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the diaphragm and a third driving assembly of the embodiment of FIG. 1;
FIG. 3 is a schematic diagram of the structure of the diaphragm in the embodiment of FIG. 1;
FIG. 4 is a schematic diagram of the structure of the light source in the embodiment of FIG. 1;
FIG. 5 is a schematic view of the light source of the embodiment of FIG. 1 from another viewing angle;
fig. 6 is a schematic structural diagram of a second driving assembly in the embodiment of fig. 1.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the utility model, but are not intended to limit the utility model in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the utility model. All falling within the scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a zoom imaging system including a light source 20, an aperture 30, a focus cylinder 41, a zoom lens 51, and an objective lens 61, and further including a mount, a first driving assembly, and a second driving assembly. The mounting bracket includes a base plate 11, a first support plate 12, a second support plate 13, and a first connection plate 14. The first supporting plate 12 is arranged on the upper surface of the base plate 11 and is arranged close to two ends of the base plate 11; the second supporting plates 13 are arranged on the lower surface of the base plate 11 and are arranged close to two ends of the base plate 11; the first support plate 12, the second support plate 13, and the base plate 11 thus form an H-shaped frame. The zoom imaging system further comprises a third connecting plate 62 disposed at an upper end of the first support plate 12, and the objective lens 61 is disposed on the third connecting plate 62. The two ends of the first connecting plate 14 are connected with the second supporting plate 13 and are positioned below the base plate 11; the objective lens 61 is fixedly disposed at the top end of the first support plate 12, the light source 20 is fixedly disposed at the lower end of the second support plate 13, and the diaphragm 30 is fixedly disposed on the first connection plate 14.
In the present embodiment, the diaphragm 30 includes a positioning ring 31, a light blocking sheet 32, and a driving ring 33, the positioning ring 31 being disposed on the first connecting plate 14; one end of the light barrier 32 is hinged to the positioning ring 31, the other end of the light barrier shields the inner area of the positioning ring 31 and forms a light through hole, and a salient point is further arranged on the light barrier 32; the driving ring 33 and the positioning ring 31 clamp the light blocking sheet 32, a sliding groove matched with the convex point is further arranged on the driving ring 33, and the driving ring 33 rotates to drive the light blocking sheet 32 to swing and drive the light through hole to zoom. The zoom imaging system further comprises a third driving assembly for driving the aperture 30 to zoom, comprising a driving motor 71, an arc-shaped rack 72, a driving gear 73 and a driven gear 74. The driving motor 71 is fixedly arranged on the first connecting plate 14; an arc-shaped rack 72 is provided on the outer periphery of the drive ring 33; the driving gear 73 is arranged on the driving motor 71; the driven gear 74 is disposed on the first link plate 14 and engaged with the arc-shaped rack 72 and the pinion gear 73, respectively.
In the present embodiment, the light source 20 includes a bottom case 21, a heat sink 22, a lamp bowl 23, a light emitter 24, a cover 25, a first fan 26, a second fan 27, and a third fan 28. The lamp source comprises a bowl-shaped bottom shell 21, a heat sink 22 is arranged in the bottom shell 21, an accommodating cavity with an upper end opened is arranged in the middle area of the heat sink 22, and a lamp bowl 23 is arranged in the heat sink 22. The light emitter 24 is disposed in the lamp bowl 23, and a fourth connection plate 29 is disposed at an opening of the bottom chassis 21, and the fourth connection plate 29 is disposed at a lower end of the second support plate 13. The heat sink 22 and the lamp bowl 23 are located in the accommodating space formed by the bottom case 21 and the fourth connecting plate 29, a light through hole is formed in the fourth connecting plate 29, the light through hole corresponds to the light emitter 24, a cover 25 is further disposed at the upper end of the light through hole, and a reflective prism 25a corresponding to the light through hole is disposed on the cover 25. The light source 20 further comprises a first fan 26, a second fan 27 and a third fan 28. The first fan 26 is arranged on the fourth connecting plate 29 and is communicated with the lamp bowl 23 and the interior of the cover body 25 through a first air duct 26 a; the second fan 27 is arranged on the fourth connecting plate 29 and is communicated with the space between the lamp bowl 23 and the radiator 22 through a second air duct; the second air duct includes a straight line section 27a connected to the second fan 27 and a right-angle section 27b having one end connected to the straight line section 27a, and the other end of the right-angle section 27b extends into a gap between the light emitter 24 and the bottoms of the lamp bowl 23 and the heat sink 22, respectively, so as to exhaust hot air in a space between the bottom case 21 and the heat sink 22 and a space at the bottoms of the lamp bowl 23 and the heat sink 22. The third fan 28 is disposed on the fourth connecting plate 29 and is communicated with the space between the heat sink 22 and the bottom case 21 through a third air duct 28a, and an air inlet hole of the third air duct 28a is disposed in the middle section of the heat sink 22 for integrally discharging hot air inside the heat sink 22. In addition, the reflecting prism 25a is used for preventing reflection of light, and plays a role of cooling. Carry out hierarchical accurate heat dissipation to lamp source 20 inside everywhere through a plurality of wind channels, promoted lamp source 20's heat dispersion.
In the present embodiment, a first driving unit drives the zoom lens 51 to move in the direction of the optical path, and a second driving unit drives the focus adjustment cylinder 41 to move in the direction of the optical path; the first driving assembly includes a guide rail 54, a first slider 53, a second connecting plate 52, a first motor 57, a first driving pulley 56, a first driven pulley, and a first timing belt 55. The guide rails 54 are disposed on opposite side walls of the first support plate 12; the first sliding block 53 is connected with the guide rail 54 in a sliding manner; a second connecting plate 52 is provided on the first slider 53, and the zoom lens 51 is provided on the second connecting plate 52; the first motor 57 is arranged on the first support plate 12; the first driving wheel 56 is arranged on the rotating shaft of the first motor 57; the first driven wheel is arranged on one side of the first driving wheel 56; the first timing belt 55 is connected to the first driving pulley 56 and the first driven pulley, and the first timing belt 55 is further connected to the first slider 53.
In this embodiment, the second driving assembly includes a second slider 43, a fifth connecting plate 42, a second motor 46, a second driving pulley 45, a second driven pulley, and a second timing belt 44. The second slide block 43 is connected with the guide rail 54 in a sliding way and is positioned below the first slide block 53; a fifth connecting plate 42 is provided on the second slider 43, and the focus cylinder 41 is provided on the fifth connecting plate 42; the second motor 46 is arranged on the first support plate 12; the second driving wheel 45 is arranged on a rotating shaft of the second motor 46; the second driven wheel is arranged on one side of the second driving wheel 45; the second timing belt 44 is connected to the second driving pulley 45 and the second driven pulley, and the second timing belt 44 is further connected to the second slider 43.
In this embodiment, two sets of first driving assemblies and two sets of second driving assemblies are provided, wherein one set of first driving assemblies is disposed on the first supporting plate 12 and located at one side of the first sliding block 53, and the other set of first driving assemblies is disposed on the second supporting plate 13 and located at the other side of the first sliding block 53, so that one of the first synchronous belts 55 is connected with one side edge of the first sliding block 53, and the other first synchronous belt 55 is connected with the other opposite side edge of the first sliding block 53, thereby realizing the stress balance of the first sliding block 53.
In this embodiment, one set of the second driving assemblies is disposed on the first supporting plate 12 and located on one side of the second sliding block 43, and the other set of the second driving assemblies is disposed on the second supporting plate 13 and located on the other side of the second sliding block 43, so that one of the second timing belts 44 is connected to one side of the second sliding block 43, and the other second timing belt 44 is connected to the other two opposite sides of the second sliding block 43, thereby realizing the force balance of the second sliding block 43.
In the present embodiment, the distance between the objective lens 61 and the zoom lens 51 is 35-94 mm; the distance between the objective lens 61 and the focusing barrel 41 is 133-226 mm; the distance between the objective lens 61 and the diaphragm 30 is 270-290 mm; the distance between the light source 20 and the aperture 30 is 130 mm and 150 mm. By controlling the distance between the optical components, the linear light path of the zoom imaging system is shorter, and the design of small volume is realized.
The present invention provides a mount and a light source 20, an aperture 30, a focus cylinder 41, a zoom lens 51, and an objective lens 61 arranged in this order along an optical path in the mount, making the zoom imaging system more compact. In addition, a first driving component for driving the zoom lens 51 to move along the direction of the optical path and a second driving component for driving the focusing barrel 41 to move along the direction of the optical path are arranged on the mounting frame, so that the zoom lens 51 and the focusing barrel 41 can be automatically adjusted, and the problem of inconvenience in manual adjustment in the prior art is solved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.
The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and the practice of the utility model is not to be considered limited to those descriptions. It will be apparent to those skilled in the art that a number of simple derivations or substitutions can be made without departing from the inventive concept.
Claims (8)
1. A zoom imaging system, comprising in order in an optical path direction: a light source, an aperture, a focusing barrel, a zoom lens and an objective lens;
the zoom imaging system further includes:
the light source, the diaphragm, the focusing barrel, the zoom lens and the objective lens are arranged on the mounting frame;
a first driving component for driving the zoom lens to move along the direction of the optical path;
the second driving component drives the focusing barrel to move along the direction of the optical path;
the distance between the objective lens and the zoom lens is 35-94 mm;
the distance between the objective lens and the focusing barrel is 133-226 mm;
the distance between the objective lens and the aperture is 270-290 mm;
the distance between the light source and the aperture is 130-150 mm.
2. The zoom imaging system of claim 1, wherein the light source comprises:
a bottom case;
a heat sink disposed in the bottom case;
a lamp bowl disposed in the heat sink
The light emitter is arranged in the lamp bowl;
the cover body is arranged above the lamp bowl;
the first fan is communicated with the lamp bowl;
a second fan communicated with a space between the lamp bowl and the heat sink;
and a third fan communicated with a space between the heat sink and the bottom case.
3. The zoom imaging system of claim 1, wherein the mount comprises:
a substrate, a first electrode and a second electrode,
the first supporting plates are arranged on the upper surface of the substrate and are arranged close to two ends of the substrate;
the second supporting plates are arranged on the lower surface of the base plate and are close to two ends of the base plate;
the two ends of the first connecting plate are connected with the second supporting plate and are positioned below the substrate;
the objective lens is fixedly arranged at the top end of the first supporting plate, the light source is fixedly arranged at the lower end of the second supporting plate, and the aperture is fixedly arranged on the first connecting plate.
4. The zoom imaging system of claim 3, wherein the aperture comprises:
the positioning ring is arranged on the first connecting plate;
one end of the light blocking sheet is hinged with the positioning ring, the other end of the light blocking sheet shields the inner area of the positioning ring and forms a light through hole, and salient points are further arranged on the light blocking sheet;
the driving ring and the positioning ring clamp the light blocking sheet, a sliding groove matched with the salient points is further formed in the driving ring, and the driving ring rotates to drive the light blocking sheet to swing and drive the light through hole to zoom.
5. The zoom imaging system of claim 4, further comprising a third drive assembly that drives the aperture zoom, comprising:
the driving motor is fixedly arranged on the first connecting plate;
an arc-shaped rack arranged on the periphery of the driving ring;
the driving gear is arranged on the driving motor;
and the driven gear is arranged on the first connecting plate and is respectively meshed with the arc-shaped rack and the driving gear.
6. The zoom imaging system of claim 3, wherein the first drive assembly comprises:
the guide rails are arranged on the side walls opposite to the first supporting plate;
the first sliding block is connected with the guide rail in a sliding manner;
the second connecting plate is arranged on the first sliding block, and the zoom lens is arranged on the second connecting plate;
the first motor is arranged on the first supporting plate;
the first driving wheel is arranged on a rotating shaft of the first motor;
the first driven wheel is arranged on one side of the first driving wheel;
and the first synchronous belt is connected with the first driving wheel and the first driven wheel and is also connected with the first sliding block.
7. The zoom imaging system of claim 6, wherein the second drive assembly comprises:
the second sliding block is connected with the guide rail in a sliding mode and is positioned below the first sliding block;
the third connecting plate is arranged on the second sliding block, and the focusing barrel is arranged on the third connecting plate;
the second motor is arranged on the first supporting plate;
the second driving wheel is arranged on a rotating shaft of the second motor;
the second driven wheel is arranged on one side of the second driving wheel;
and the second synchronous belt is connected with the second driving wheel and the second driven wheel, and the second synchronous belt is also connected with the second sliding block.
8. The zoom imaging system of claim 3, further comprising a third connecting plate disposed at an upper end of the first support plate, the objective lens being disposed on the third connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121152640.6U CN215336155U (en) | 2021-05-26 | 2021-05-26 | Zoom imaging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121152640.6U CN215336155U (en) | 2021-05-26 | 2021-05-26 | Zoom imaging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215336155U true CN215336155U (en) | 2021-12-28 |
Family
ID=79548566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121152640.6U Active CN215336155U (en) | 2021-05-26 | 2021-05-26 | Zoom imaging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215336155U (en) |
-
2021
- 2021-05-26 CN CN202121152640.6U patent/CN215336155U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5528714A (en) | Fiber optics light source with adjustable mounting, replaceable color wheel elements and cooling | |
| KR20140061803A (en) | Projection apparatus | |
| CN1282883A (en) | Projection device | |
| CN215336155U (en) | Zoom imaging system | |
| CN112882239A (en) | Head-up display for vehicle | |
| CN113280307B (en) | Stage lamp | |
| CN213542164U (en) | Diffusion plate, LED lighting module and LED table lamp | |
| KR100996913B1 (en) | A stage lighting using light emittig diode | |
| CN213686683U (en) | Lamp with adjustable focal length | |
| CN215675044U (en) | Pixel lighting device, car lamp and vehicle | |
| CN211822060U (en) | Light beam lamp with better imaging effect | |
| CN112285985B (en) | Lamp with zoom lens and zoom lens | |
| CN219799963U (en) | Projector optical machine and projector | |
| CN215336152U (en) | LED spotlight | |
| CN212841037U (en) | Easy-to-clean grille lamp | |
| CN206572233U (en) | High-power integrated COB light source pattern lamp | |
| CN219756116U (en) | Lens module, pixel lighting device using same and car lamp | |
| CN213686458U (en) | Direction-adjustable spotlight | |
| CN215336150U (en) | Mute automatic focusing spotlight | |
| CN110989275A (en) | Simple installation single LCD projector with dustproof structure | |
| CN219799972U (en) | Radiator with double-fan structure and projector | |
| CN211180513U (en) | simple installation single L CD projector with dustproof structure | |
| CN218494820U (en) | Lamp set | |
| CN218883917U (en) | Novel HUD backlight unit structure | |
| CN218332274U (en) | Projection device and heat dissipation module thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |