CN114017736A - Day and night star image projection lamp - Google Patents

Day and night star image projection lamp Download PDF

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Publication number
CN114017736A
CN114017736A CN202111386885.XA CN202111386885A CN114017736A CN 114017736 A CN114017736 A CN 114017736A CN 202111386885 A CN202111386885 A CN 202111386885A CN 114017736 A CN114017736 A CN 114017736A
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CN
China
Prior art keywords
bevel gear
light source
film
spring switch
driving roller
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Granted
Application number
CN202111386885.XA
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Chinese (zh)
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CN114017736B (en
Inventor
王华堂
吴杨
金文学
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Shenzhen Yingpeng Photoelectronic Co ltd
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Shenzhen Yingpeng Photoelectronic Co ltd
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Priority to CN202111386885.XA priority Critical patent/CN114017736B/en
Priority to CN202310481591.8A priority patent/CN116412374A/en
Publication of CN114017736A publication Critical patent/CN114017736A/en
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Publication of CN114017736B publication Critical patent/CN114017736B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S10/00—Lighting devices or systems producing a varying lighting effect
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/16—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed
    • F21V11/18—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed movable, e.g. flaps, slides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/006—Controlling the distribution of the light emitted by adjustment of elements by means of optical elements, e.g. films, filters or screens, being rolled up around a roller
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/08—Controlling the distribution of the light emitted by adjustment of elements by movement of the screens or filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Projection Apparatus (AREA)

Abstract

The invention provides a day and night star image projection lamp, which comprises a lamp holder and an optical ball which are connected together, wherein a first imaging component and a second imaging component are arranged in a space surrounded by the lamp holder and the optical ball; the first imaging component comprises a first light source and a first film which are sequentially arranged, the first light source is arranged on the first lamp panel, and light emitted by the first light source generates landscape projection after passing through the first film and the optical ball; the second imaging component comprises a second light source, a condensing lens and a second film which are sequentially arranged, the second light source is arranged on the second lamp panel, and light emitted by the second light source also generates landscape projection after passing through the condensing lens, the second film and the optical ball. The device has reasonable structural design, good visual effect and strong ornamental value, shows the day and night star image projection, is very vivid and beautiful, and greatly enhances the light effect.

Description

Day and night star image projection lamp
Technical Field
The invention relates to the field of projection lamps, in particular to a day and night star projection lamp.
Background
The projection lamp can be used in various outdoor occasions or indoor occasions, and the lamp is used for directly projecting to create an environment projection shape such as a star image, and the like, so that a corresponding atmosphere is created. The existing projection lamp has single light effect and pattern, little form change and is generally static.
Therefore, it is desirable to provide a day and night star projector to solve the above technical problems.
Disclosure of Invention
The invention provides a day and night star image projection lamp, which aims to solve the problem that the day and night star image projection lamp in the prior art mostly has single projection pattern state.
In order to solve the technical problems, the technical scheme of the invention is as follows: a day and night star projector lamp comprising: the imaging device comprises a lamp holder and an optical ball which are connected together, wherein a first imaging component and a second imaging component are arranged in a space enclosed by the lamp holder and the optical ball; the first imaging component comprises a first light source and a first film which are sequentially arranged, the first light source is arranged on the first lamp panel, and light emitted by the first light source generates landscape projection after passing through the first film and the optical ball; the second imaging component comprises a second light source, a condensing lens and a second film which are sequentially arranged, the second light source is arranged on the second lamp panel, and light emitted by the second light source also generates landscape projection after passing through the condensing lens, the second film and the optical ball.
In the day and night star image projection lamp, the inner side surface of the optical ball is provided with a plurality of convex lenses with different curvatures.
In the day and night star image projection lamp, a star pattern is drawn on the first film, and a moon pattern is drawn on the second film.
In the day and night star image projection lamp, the optical ball is provided with the biconvex lens, and the biconvex lens is arranged corresponding to the position of the second imaging component.
In the day and night star image projection lamp, a first imaging component is integrated in an inner cavity of a first lens cone, a second imaging component is integrated in an inner cavity of a second lens cone, the first lens cone is fixedly connected with a shading sheet through a connecting rod, the shading sheet is provided with a hollowed-out moon-shaped pattern, a round-shaped pattern is drawn on a second film, the shading sheet is arranged in the light source emitting direction of the second lens cone and is concentrically arranged with the second lens cone, the first lens cone and the shading sheet do semicircular reciprocating swing together under the drive of a first transmission component, and the second lens cone does revolution motion with the first lens cone as the circle center under the drive of the second transmission component.
In the day and night star image projection lamp, the first transmission assembly and the second transmission assembly are driven by the first driving motor.
In the day and night star image projection lamp, the first transmission assembly comprises a first transmission shaft, a first reversing bevel gear, a second reversing bevel gear and an incomplete bevel gear; the first reversing bevel gear and the second reversing bevel gear are sleeved on the first transmission shaft, and the first reversing bevel gear, the second reversing bevel gear and the first lens cone are fixedly connected with the first transmission shaft; the incomplete bevel gear is sleeved on an output shaft of the first driving motor, is fixedly connected with the output shaft of the first driving motor, and is arranged between the first reversing bevel gear and the second reversing bevel gear; when the incomplete bevel gear is meshed with the first reversing bevel gear, the incomplete bevel gear is disengaged from the second reversing bevel gear, and the first driving motor drives the first lens barrel and the shading sheet to rotate clockwise by 180 degrees through the incomplete bevel gear, the first reversing bevel gear and the first transmission shaft; when the incomplete bevel gear is meshed with the second reversing bevel gear, the incomplete bevel gear is disengaged from the first reversing bevel gear, and the first driving motor drives the first lens barrel and the shading sheet to rotate 180 degrees anticlockwise through the incomplete bevel gear, the second reversing bevel gear and the first transmission shaft; thereby realizing the semi-circle reciprocating swing motion of the light shading sheet.
In the day and night star projection lamp, the second transmission assembly comprises a first connecting bevel gear, a second connecting bevel gear, a swing arm and a second transmission shaft, and the first connecting bevel gear and the second connecting bevel gear are meshed together; the first connecting bevel gear is sleeved on an output shaft of the first driving motor, and the first connecting bevel gear is fixedly connected with the output shaft of the first driving motor; the second is connected bevel gear and the swing arm and is all established on first transmission shaft, second connection bevel gear and swing arm all with first transmission shaft swing joint together, the second transmission shaft sets up the end at the swing arm to second connection bevel gear, swing arm, second transmission shaft and second lens cone fixed connection are a whole, and first driving motor passes through first connection bevel gear, second connection bevel gear, swing arm and second transmission shaft and drives the second lens cone and use first lens cone to do 360 degrees revolution motion as the centre of a circle.
In the day and night star projection lamp, the radius of the first connecting bevel gear and the radius of the second connecting bevel gear are both 2r, the radius of the first reversing bevel gear, the radius of the second reversing bevel gear and the radius of the incomplete bevel gear are all r, and the angular speed of the second connecting bevel gear, the angular speed of the first reversing bevel gear and the angular speed of the second reversing bevel gear are equal.
In the day and night star projection lamp of the present invention,
the first film is in a roll paper shape, the first film is wound on the first driving roller, the second driving roller, the third driving roller and the fourth driving roller, the section A and the section C of the first film have star image patterns for displaying the daytime, the section B and the section D of the first film have star image patterns for displaying the night, the section A, the section B, the section C and the section D of the first film are sequentially arranged, and the sections A, the section B, the section C and the section D of the first film are equal in length;
the first driving roller is a driving roller, the first driving roller is driven by a second driving motor to rotate, and the second driving roller, the third driving roller and the fourth driving roller are driven rollers;
the first driving roller, the second driving roller, the third driving roller and the fourth driving roller are arranged in a square shape, the first light source is arranged in a space defined by the first film, the first driving roller, the second driving roller, the third driving roller and the fourth driving roller, and the first light source and the first lamp panel are connected with the first lens barrel through the front bracket and the rear bracket;
the lamp holder is provided with a first spring switch at a 0-degree position, the lamp holder is provided with a second spring switch at a 180-degree position, the first spring switch and the second spring switch are both electrically connected with a second driving motor, a push rod corresponding to the first spring switch and the second spring switch is fixedly arranged on a first transmission shaft, a central shaft of the push rod and a central shaft of the shading sheet are on the same surface, the push rod enables an output shaft of the second driving motor to rotate clockwise for a preset number of turns after pressing the first spring switch and the second spring switch, and the push rod enables the output shaft of the second driving motor to stop rotating after being far away from the first spring switch and the second spring switch;
in the stroke of the semicircular reciprocating swing of the first transmission shaft,
when the ejector rod rotates 180 degrees anticlockwise along with the first transmission shaft to press the first spring switch, the output shaft of the second driving motor is triggered to rotate clockwise for a preset number of turns, the section B of the first film rotates to the light source emitting direction of the first light source, then the shading sheet and the second lens cone synchronously rotate 180 degrees clockwise, the ejector rod is far away from the first spring switch in the process, the first spring switch resets, the second driving motor stops working, and the first-form night star image projection is displayed;
when the ejector rod rotates 180 degrees clockwise along with the first transmission shaft to press the second spring switch, the output shaft of the second driving motor is triggered to rotate clockwise for a preset number of turns, the section A of the first film rotates to the light source emitting direction of the first light source, then the second lens barrel continues to rotate 180 degrees clockwise, the shading sheet rotates 180 degrees counterclockwise, the ejector rod is far away from the second spring switch in the process, the second spring switch resets, the second driving motor stops working, and the first form of daytime astrology projection is displayed;
when the ejector rod rotates 180 degrees anticlockwise along with the first transmission shaft to press the first spring switch, the output shaft of the second driving motor is triggered to rotate clockwise for a preset number of turns, the D section of the first film rotates to the light source emitting direction of the first light source, then the shading sheet and the second lens cone synchronously rotate 180 degrees clockwise, the ejector rod is far away from the first spring switch in the process, the first spring switch resets, the second driving motor stops working, and the second-form night star image projection is displayed;
when the ejector rod rotates 180 degrees clockwise along with the first transmission shaft to press the second spring switch, the output shaft of the second driving motor is triggered to rotate clockwise for a preset number of turns, the C section of the first film rotates to the light source emitting direction of the first light source, then the second lens barrel continues to rotate 180 degrees clockwise, the shading sheet rotates 180 degrees counterclockwise, the ejector rod is far away from the second spring switch in the process, the second spring switch resets, the second driving motor stops working, and the second form day astrology projection is displayed.
Compared with the prior art, the invention has the beneficial effects that:
1. the device has the advantages that the convex lenses with different curvatures are arranged on the inner side surface of the optical ball, so that the projection projected by each film pattern can reach the optimal definition;
2. in the first embodiment of the device, a biconvex lens is additionally arranged, a larger user-defined pattern such as moon is added in the aspect of projecting the starry effect, light emitted by the first light source passes through the first film and the optical sphere to generate starry landscape projection, and light emitted by the second light source passes through the condensing lens, the second film and the optical sphere to generate moon landscape projection, so that the device can project the starry and moon landscapes at the same time to obtain stronger visual and lighting effects.
3. In the second embodiment of the device, the first lens cone and the shading sheet do semicircular reciprocating swing together under the drive of the first transmission component, the second lens cone does 360-degree revolution motion with the first lens cone as the circle center under the drive of the second transmission component, and the second lens cone is matched with the rotation of the first film, so that the first form night star image projection, the first form day star image projection, the second form night star image projection and the second form day star image projection are obtained in the working process of the device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments are briefly introduced below, and the drawings in the following description are only corresponding to some embodiments of the present invention.
Fig. 1 is a schematic view showing an external structure of a day and night star projection lamp according to the present invention.
Fig. 2 is a schematic view of an internal structure of a day and night star projector according to a first embodiment of the present invention.
Fig. 3 is a schematic view of an internal structure of a day and night star projector according to a first embodiment of the present invention.
Fig. 4 is a schematic structural diagram of an optical ball according to a first embodiment of the invention.
Fig. 5 is a schematic view of an internal structure of a day and night star projector according to a second embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a first imaging assembly according to a second embodiment of the invention.
Fig. 7 is a schematic structural diagram of a first transmission assembly according to a second embodiment of the invention.
Fig. 8 is a schematic view of the internal structure of a day and night star projector according to a second embodiment of the present invention.
Fig. 9 is a schematic view of the internal structure of a day and night star projector according to a second embodiment of the present invention.
Fig. 10 is a schematic structural diagram of a push rod, a first spring switch, and a second spring switch according to a second embodiment of the present invention.
Fig. 11 is a schematic structural diagram of a push rod, a first spring switch, and a second spring switch according to a second embodiment of the present invention.
Wherein,
1-a lamp holder;
2-optical sphere, 21-convex lens, 22-biconvex lens;
3-a first imaging component, 31-a first light source, 32-a first film, 33-a first lamp panel, 34-a first driving roller, 35-a second driving roller, 36-a third driving roller, 37-a fourth driving roller and 38-a second driving motor;
4-a second imaging component, 41-a second light source, 42-a condenser lens, 43-a second film, 44-a second lamp panel;
5-a first barrel;
6-a second barrel;
7-a connecting rod;
8-shading sheet;
9-a first transmission assembly, 91-a first transmission shaft, 92-a first reversing bevel gear, 93-a second reversing bevel gear, 94-an incomplete bevel gear;
10-a second transmission assembly, 101-a first connecting bevel gear, 102-a second connecting bevel gear, 103-a swing arm, 104-a second transmission shaft;
11-a first drive motor;
12-a top rod;
13-a first spring switch;
14-second spring switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the present invention, directional terms such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", "top" and "bottom" are used only with reference to the orientation of the drawings, and the directional terms are used for illustration and understanding of the present invention, and are not intended to limit the present invention.
The terms "first," "second," and the like in the terms of the invention are used for descriptive purposes only and not for purposes of indication or implication relative importance, nor as a limitation on the order of precedence.
In the present invention, unless otherwise expressly stated 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 formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The day and night star projection lamp in the prior art has a single light effect.
The following is a preferred embodiment of the present invention that provides a day and night star projector lamp that solves the above technical problems.
Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of a day and night star projection lamp of the present invention, fig. 2 is a schematic internal structural diagram of a day and night star projection lamp according to a first embodiment of the present invention, fig. 3 is a schematic internal structural diagram of a day and night star projection lamp according to a first embodiment of the present invention, and fig. 4 is a schematic structural diagram of an optical ball according to a first embodiment of the present invention.
In the drawings, elements having similar structures are denoted by the same reference numerals.
The invention provides a day and night star image projection lamp, which comprises a lamp holder 1 and an optical ball 2 which are connected together, wherein a first imaging component 3 and a second imaging component 4 are arranged in a space surrounded by the lamp holder 1 and the optical ball 2; the first imaging component 3 comprises a first light source 31 and a first film 32 which are sequentially arranged, the first light source 31 is arranged on the first lamp panel 33, and light emitted by the first light source 31 passes through the first film 32 and the optical ball 2 to generate landscape projection; the second imaging component 4 includes a second light source 41, a condenser lens 42 and a second film 43, which are sequentially arranged, the second light source 41 is arranged on the second lamp panel 44, and light emitted by the second light source 41 passes through the condenser lens 42, the second film 43 and the optical ball 2 to generate landscape projection.
In the day and night star image projection lamp, the inner side surface of the optical ball 2 is provided with a plurality of convex lenses 21 with different curvatures, so that each pattern can be projected to achieve the best definition.
In the day and night star image projection lamp according to the first embodiment of the present invention, a star pattern is drawn on the first film 32, a moon pattern is drawn on the second film 43, light emitted from the first light source 31 passes through the first film 32 and the optical sphere 2 to generate a star landscape projection, and light emitted from the second light source 41 passes through the condenser lens 42, the second film 43 and the optical sphere 2 to generate a moon landscape projection, so that the device projects a star and moon landscape at the same time, and obtains strong visual and lighting effects.
In the day and night star image projection lamp according to the first embodiment of the invention, the optical ball 2 is provided with the double-convex lens 22, the double-convex lens 22 is arranged at a position corresponding to the second imaging component 4, a larger self-defined pattern such as moon is added to the effect of projecting the starry sky, a better visual effect is realized, the lamp is very vivid, and the light effect is greatly enhanced.
The working principle of the first embodiment of the invention is as follows: the light emitted by the first light source 31 passes through the first film 32 and the optical sphere 2 to generate a star landscape projection, and the light emitted by the second light source 41 passes through the condenser lens 42, the second film 43 and the optical sphere 2 to generate a moon landscape projection, so that the device can project the star and moon landscapes at the same time.
This completes the operation of the day and night star projector lamp of the preferred embodiment.
Referring to fig. 1, 5-11, wherein fig. 5 is a schematic internal structure diagram of a day and night star projection lamp according to a second embodiment of the present invention, fig. 6 is a schematic structural diagram of a first imaging assembly according to the second embodiment of the present invention, fig. 7 is a schematic structural diagram of a first transmission assembly according to the second embodiment of the present invention, fig. 8 is a schematic internal structure diagram of a day and night star projection lamp according to the second embodiment of the present invention, fig. 9 is a schematic internal structure diagram of a day and night star projection lamp according to the second embodiment of the present invention, fig. 10 is a schematic structural diagram of a push rod, a first spring switch and a second spring switch according to the second embodiment of the present invention, and fig. 11 is a schematic structural diagram of a push rod, a first spring switch and a second spring switch according to the second embodiment of the present invention.
In the day and night star image projection lamp according to the second embodiment of the present invention, the first imaging component 3 is integrated in the inner cavity of the first lens barrel 5, the second imaging component 4 is integrated in the inner cavity of the second lens barrel 6, the first lens barrel 5 is fixedly connected with the light shielding sheet 8 through the connecting rod 7, the light shielding sheet 8 is provided with a hollowed moon-shaped pattern, the second film 43 is drawn with a circular pattern, the light shielding sheet 8 is arranged in the light source emitting direction of the second lens barrel 6, the light shielding sheet 8 and the second lens barrel 6 are concentrically arranged, the first lens barrel 5 and the light shielding sheet 8 are driven by the first transmission component 9 to perform semicircular reciprocating swing, and the second lens barrel 6 is driven by the second transmission component 10 to perform 360-degree revolution motion with the first lens barrel 5 as the center of circle; in the range of 0-180 degrees, in the process of synchronous movement of the shading sheet 8 and the second lens cone 6 in the same direction, due to the shading effect of the shading sheet 8 of the moon-shaped pattern, the moon landscape at the projection position of the device is displayed as night; in the range of 180-360 degrees, when the light-shielding sheet 8 and the second lens barrel 6 move away from each other in the opposite direction, the light-shielding sheet 8 does not shield the second lens barrel 6 any more, the second lens barrel projects a circular landscape and matches with the daytime landscape projected by the first lens barrel, so that the circular landscape projected by the second lens barrel is considered as a solar landscape and is displayed in the daytime; therefore, the device realizes day and night alternate projection through a mechanical structure, and has high ornamental value.
In the day and night star image projection lamp of the second embodiment of the invention, the first transmission component 9 and the second transmission component 10 are both driven by the first driving motor 11;
the first transmission assembly 9 comprises a first transmission shaft 91, a first reversing bevel gear 92, a second reversing bevel gear 93 and an incomplete bevel gear 94, the first reversing bevel gear 92, the second reversing bevel gear 93 and the incomplete bevel gear 94 play a reversing role, the number of teeth of the incomplete bevel gear 93 is set on the basis that the incomplete bevel gear 93 does not interfere with the first reversing bevel gear 92 and the second reversing bevel gear 93 and can be reversed, and the incomplete bevel gear 93 can only be meshed with one of the first reversing bevel gear 92 and the second reversing bevel gear 93 at the same time and is not meshed at the same time; the first reversing bevel gear 92 and the second reversing bevel gear 93 are sleeved on the first transmission shaft 91, and the first reversing bevel gear 92, the second reversing bevel gear 93 and the first lens barrel 5 are fixedly connected with the first transmission shaft 91; the incomplete bevel gear 94 is sleeved on the output shaft of the first driving motor 11, the incomplete bevel gear 94 is fixedly connected with the output shaft of the first driving motor 11, and the incomplete bevel gear 94 is arranged between the first reversing bevel gear 92 and the second reversing bevel gear 93; when the incomplete bevel gear 94 is meshed with the first reversing bevel gear 92, the incomplete bevel gear 94 is disengaged from the second reversing bevel gear 93, and the first driving motor 11 drives the first lens barrel 5 and the light shielding sheet 8 to rotate together clockwise by 180 degrees through the incomplete bevel gear 94, the first reversing bevel gear 92 and the first transmission shaft 91; when the incomplete bevel gear 94 is meshed with the second reversing bevel gear 93, the incomplete bevel gear 94 is disengaged from the first reversing bevel gear 92, and the first driving motor 11 drives the first lens barrel 5 and the shading sheet 8 to rotate 180 degrees counterclockwise through the incomplete bevel gear 94, the second reversing bevel gear 93 and the first transmission shaft 91; thereby realizing that the light shield 8 does semicircular reciprocating swing motion.
The second transmission assembly 10 comprises a first connecting bevel gear 101, a second connecting bevel gear 102, a swing arm 103 and a second transmission shaft 104, wherein the first connecting bevel gear 101 and the second connecting bevel gear 102 are meshed together; the first connecting bevel gear 101 is sleeved on the output shaft of the first driving motor 11, and the first connecting bevel gear 101 is fixedly connected with the output shaft of the first driving motor 11; the second connecting bevel gear 102 and the swing arm 103 are both sleeved on the first transmission shaft 91, the second connecting bevel gear 102 and the swing arm 103 are both movably connected with the first transmission shaft 91, the second transmission shaft 104 is arranged at the tail end of the swing arm 103, the second connecting bevel gear 102, the swing arm 103, the second transmission shaft 104 and the second lens barrel 6 are fixedly connected into a whole, and the first driving motor 11 drives the second lens barrel 6 to do 360-degree revolution motion by taking the first lens barrel 5 as the circle center through the first connecting bevel gear 101, the second connecting bevel gear 102, the swing arm 103 and the second transmission shaft 104; bearings may be provided between the second bevel connection gear 102, the swing arm 103 and the first transmission shaft 91, or a rotation gap may be directly provided between the second bevel connection gear 102, the swing arm 103 and the first transmission shaft 91, or a support ring for supporting the second bevel connection gear 102 and the swing arm 103 may be further provided on the first transmission shaft 91 in order to support the second bevel connection gear 102 and the swing arm 103, and the above connection manner is not limited thereto in order to better rotate the second bevel connection gear 102 and the swing arm 103.
In the day and night star projection lamp according to the second embodiment of the present invention, in order that the light shielding plate 8 and the second barrel 6 can synchronously move in the same direction within the range of 0 to 180 degrees, the radius of the first connecting bevel gear 101 and the radius of the second connecting bevel gear 102 are both 2r, the radius of the first reversing bevel gear 92, the radius of the second reversing bevel gear 93 and the radius of the incomplete bevel gear 94 are both r, and the angular velocity of the second connecting bevel gear 102, the angular velocity of the first reversing bevel gear 92 and the angular velocity of the second reversing bevel gear 93 are equal.
In order to realize that the light shielding sheet 8 can synchronously move with the second lens barrel 6 in the same direction within the range of 0-180 degrees, the angular speed of the second connecting bevel gear 102, the angular speed of the first reversing bevel gear 92 and the angular speed of the second reversing bevel gear 93 need to be equal, so that the radius of the first connecting bevel gear 101 and the radius of the second connecting bevel gear 102 need to be 2r, and the radius of the first reversing bevel gear 92, the radius of the second reversing bevel gear 93 and the radius of the incomplete bevel gear 94 need to be r; the above relationship is according to the formula: the linear velocity V is the radius r × the angular velocity ω, and it is calculated that since the angular velocity of the output shaft of the first driving motor 11 is ω, the angular velocities of the first connecting bevel gear 101 and the incomplete bevel gear 94 are both ω, the linear velocity of the first connecting bevel gear 101 is 2r ω, and since the second connecting bevel gear 102 and the first connecting bevel gear 101 are engaged with each other, the linear velocity of the second connecting bevel gear 102 is also 2r ω, and therefore the angular velocity of the second connecting bevel gear 102 is 2r ω/2r ω, and since the linear velocity of the second reverse bevel gear 93 is engaged with the incomplete bevel gear 94, the linear velocity of the second reverse bevel gear 93 is equal to the linear velocity of the incomplete bevel gear 94, and is both r ω, and according to the formula, the angular velocity r ω/r of the second reverse bevel gear 93 is ω.
In the day and night star image projection lamp according to the second embodiment of the present invention, the first film 32 is in a roll shape, the first film 32 is wound around the first driving roller 34, the second driving roller 35, the third driving roller 36, and the fourth driving roller 37, and the a section and the C section of the first film 32 have star image patterns, such as cloud, rainbow, etc., which are displayed in the day; segments B and D of the first film 32 have star patterns that show night, such as various types of star patterns; the section A, the section B, the section C and the section D of the first film 32 are sequentially arranged, and the lengths of the section A, the section B, the section C and the section D of the first film 32 are equal;
the first driving roller 34 is a driving roller, the first driving roller 34 is driven by a second driving motor 38 to rotate, and the second driving roller 35, the third driving roller 36 and the fourth driving roller 37 are driven rollers;
first driving roller 34, second driving roller 35, arrange according to square shape on third driving roller 36 and the fourth driving roller 37, first light source 31 sets up in first film 32, first driving roller 34, second driving roller 35, in the space that third driving roller 36 and fourth driving roller 37 enclose, first light source 31 links together with first lens cone 5 through front and back support with first lamp plate 33, thereby make one section pattern of first film 32 arrange first light source 31's emission direction in, avoid producing mutual interference between the pattern, do benefit to the definition of guaranteeing the projection pattern.
A first spring switch 13 is arranged at the 0-degree position of the lamp holder 1, a second spring switch 14 is arranged at the 180-degree position of the lamp holder 1, the first spring switch 13 and the second spring switch 14 are both electrically connected with the second driving motor 38, a push rod 12 corresponding to the first spring switch 13 and the second spring switch 14 is fixedly arranged on the first transmission shaft 91, the central shaft of the push rod 12 and the central shaft of the shading sheet 8 are on the same surface, the output shaft of the second driving motor 38 rotates clockwise for a preset number of turns after the push rod 12 presses the first spring switch 13 and the second spring switch 14, and the output shaft of the second driving motor 38 stops rotating after the push rod is far away from the first spring switch 13 and the second spring switch 14; the preset number of clockwise rotations of the output shaft of the second driving motor 38 is based on the light source emitting direction in which the a section, the B section, the C section and the D section of the first film 32 can reach the first light source 31 in each rotation of the second driving motor 38, and the specific number of rotations is determined according to the actual lengths of the a section, the B section, the C section and the D section of the first film 32 and the power of the second driving motor 38; first spring switch 13 all contains telescopic link, spring and inductive key with second spring switch 14, receives external force to contradict when overcoming the spring and contact with the inductive key when the telescopic link, triggers second driving motor 38's output shaft clockwise rotation 90 degrees, and when external force disappeared, the telescopic link received the elasticity of spring and when the inductive key kept away from, second driving motor 38 stop work.
In the stroke of the first transmission shaft 91 swinging in a semicircular reciprocating manner,
when the ejector rod 12 rotates 180 degrees counterclockwise along with the first transmission shaft 91 until the first spring switch 13 is pressed, the output shaft of the second driving motor 38 is triggered to rotate clockwise for a preset number of turns, the section B of the first film 32 rotates to the light source emitting direction of the first light source 31, then the shading sheet 8 and the second lens barrel 6 synchronously rotate 180 degrees clockwise, in the process, the ejector rod 12 is far away from the first spring switch 13, the first spring switch 13 resets, the second driving motor 38 stops working, and the first-form night star image projection is displayed.
When the ejector rod 12 rotates 180 degrees clockwise along with the first transmission shaft 91 to press the second spring switch 14, the output shaft of the second driving motor 38 is triggered to rotate clockwise for a preset number of turns, the section a of the first film 32 rotates to the light source emitting direction of the first light source 31, then the second lens barrel 6 continues to rotate 180 degrees clockwise, the light shielding sheet 8 rotates 180 degrees counterclockwise, the ejector rod 12 is far away from the second spring switch 14 in the process, the second spring switch 14 resets, the second driving motor 38 stops working, and the first form of daytime astrology projection is displayed.
When the ejector rod 12 rotates 180 degrees counterclockwise along with the first transmission shaft 91 to press the first spring switch 13, the output shaft of the second driving motor 38 is triggered to rotate clockwise for a predetermined number of turns, the section D of the first film 32 rotates to the light source emitting direction of the first light source 31, then the shading sheet 8 and the second lens barrel 6 synchronously rotate 180 degrees clockwise, in the process, the ejector rod 12 is far away from the first spring switch 13, the first spring switch 13 resets, the second driving motor 38 stops working, and the night star image projection of the second form is displayed.
When the top rod 12 rotates 180 degrees clockwise along with the first transmission shaft 91 to press the second spring switch 14, the output shaft of the second driving motor 38 is triggered to rotate clockwise for a predetermined number of turns, the section C of the first film 32 rotates to the light source emitting direction of the first light source 31, then the second lens barrel 6 continues to rotate 180 degrees clockwise, the light shielding sheet 8 rotates 180 degrees counterclockwise, in the process, the top rod 12 is far away from the second spring switch 14, the second spring switch 14 resets, the second driving motor 38 stops working, and the star image projection in the second form day is displayed.
The first driving motor 11 is continuously rotated counterclockwise, and the above processes are repeated by the above components.
The working principle of the second embodiment of the invention is as follows:
the first lens cone 5 and the shading sheet 8 do semicircular reciprocating swing together under the drive of the first transmission component 9, and the second lens cone 6 does 360-degree revolution motion with the first lens cone 5 as the center of a circle under the drive of the second transmission component 10; in the range of 0-180 degrees, in the process of synchronous movement of the shading sheet 8 and the second lens cone 6 in the same direction, due to the shading effect of the shading sheet 8 of the moon-shaped pattern, the moon landscape at the projection position of the device is displayed as night; in the range of 180-360 degrees, when the light-shielding sheet 8 and the second lens barrel 6 move away from each other in the opposite direction, the light-shielding sheet 8 does not shield the second lens barrel 6 any more, the second lens barrel projects a circular landscape and matches with the daytime landscape projected by the first lens barrel, so that the circular landscape projected by the second lens barrel is considered as a solar landscape and is displayed in the daytime; therefore, the device realizes the projection of day and night alternation through a mechanical structure;
and the cyclic rotation of the section A, the section B, the section C and the section D of the first film 32 are superposed at the same time, and the device obtains a first-form night star image projection, a first-form day star image projection, a second-form night star image projection and a second-form day star image projection.
This completes the operation of the day and night star projector lamp of the preferred embodiment.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.

Claims (10)

1. A day and night star image projection lamp is characterized by comprising a lamp holder and an optical ball which are connected together, wherein a first imaging assembly and a second imaging assembly are arranged in a space defined by the lamp holder and the optical ball; the first imaging component comprises a first light source and a first film which are sequentially arranged, the first light source is arranged on the first lamp panel, and light emitted by the first light source generates landscape projection after passing through the first film and the optical ball; the second imaging component comprises a second light source, a condensing lens and a second film which are sequentially arranged, the second light source is arranged on the second lamp panel, and light emitted by the second light source also generates landscape projection after passing through the condensing lens, the second film and the optical ball.
2. A day and night star projection lamp as claimed in claim 1, wherein: the inner side surface of the optical ball is provided with a plurality of convex lenses with different curvatures.
3. A day and night star projection lamp as claimed in claim 1, wherein: the first film is drawn with a star pattern, and the second film is drawn with a moon pattern.
4. A day and night star projection lamp as claimed in claim 3, wherein: and the optical ball is provided with a biconvex lens, and the biconvex lens is arranged corresponding to the position of the second imaging component.
5. A day and night star projection lamp as claimed in claim 1, wherein:
the first imaging component is integrated in the inner cavity of the first lens cone, the second imaging component is integrated in the inner cavity of the second lens cone, the first lens cone is fixedly connected with the shading sheet through a connecting rod, a hollowed-out moon-shaped pattern is arranged on the shading sheet, a round-shaped pattern is drawn on the second film, the shading sheet is arranged in the light source emitting direction of the second lens cone, the shading sheet and the second lens cone are concentrically arranged, the first lens cone and the shading sheet do semicircular reciprocating swing together under the drive of the first transmission component, and the second lens cone does revolution motion with the first lens cone as the center of a circle under the drive of the second transmission component.
6. The day and night star projection lamp of claim 5, wherein: the first transmission assembly and the second transmission assembly are both driven by a first driving motor.
7. The day and night star projection lamp of claim 6, wherein: the first transmission assembly comprises a first transmission shaft, a first reversing bevel gear, a second reversing bevel gear and an incomplete bevel gear; the first reversing bevel gear and the second reversing bevel gear are sleeved on the first transmission shaft, and the first reversing bevel gear, the second reversing bevel gear and the first lens cone are fixedly connected with the first transmission shaft; the incomplete bevel gear is sleeved on an output shaft of the first driving motor, the incomplete bevel gear is fixedly connected with the output shaft of the first driving motor, and the incomplete bevel gear is arranged between the first reversing bevel gear and the second reversing bevel gear; when the incomplete bevel gear is meshed with the first reversing bevel gear, the incomplete bevel gear is disengaged from the second reversing bevel gear, and the first driving motor drives the first lens barrel and the shading sheet to rotate together by 180 degrees clockwise through the incomplete bevel gear, the first reversing bevel gear and the first transmission shaft; when the incomplete bevel gear is meshed with the second reversing bevel gear, the incomplete bevel gear is disengaged from the first reversing bevel gear, and the first driving motor drives the first lens barrel and the shading sheet to rotate 180 degrees anticlockwise through the incomplete bevel gear, the second reversing bevel gear and the first transmission shaft; thereby realizing the semi-circle reciprocating swing motion of the light shading sheet.
8. A day and night star projection lamp as claimed in claim 7, wherein: the second transmission assembly comprises a first connecting bevel gear, a second connecting bevel gear, a swing arm and a second transmission shaft, and the first connecting bevel gear and the second connecting bevel gear are meshed together; the first connecting bevel gear is sleeved on an output shaft of the first driving motor, and the first connecting bevel gear is fixedly connected with the output shaft of the first driving motor; the second connecting bevel gear and the swing arm are sleeved on the first transmission shaft, the second connecting bevel gear and the swing arm are movably connected with the first transmission shaft together, the second transmission shaft is arranged at the tail end of the swing arm, the second connecting bevel gear, the swing arm, the second transmission shaft and the second lens cone are fixedly connected into a whole, and the first driving motor drives the second lens cone to do 360-degree revolution motion by taking the first lens cone as the circle center through the first connecting bevel gear, the second connecting bevel gear, the swing arm and the second transmission shaft.
9. A day and night star projection lamp as claimed in claim 8, wherein: the radius of the first connecting bevel gear and the radius of the second connecting bevel gear are both 2r, the radius of the first reversing bevel gear, the radius of the second reversing bevel gear and the radius of the incomplete bevel gear are all r, and the angular speed of the second connecting bevel gear, the angular speed of the first reversing bevel gear and the angular speed of the second reversing bevel gear are equal.
10. A day and night star projection lamp as claimed in claim 8, wherein:
the first film is in a roll shape, the first film is wound on the first driving roller, the second driving roller, the third driving roller and the fourth driving roller, the section A and the section C of the first film are provided with star image patterns which are displayed in the daytime, the section B and the section D of the first film are provided with star image patterns which are displayed at night, the section A, the section B, the section C and the section D of the first film are sequentially arranged, and the section A, the section B, the section C and the section D of the first film are equal in length;
the first driving roller is a driving roller, the first driving roller is driven by a second driving motor to rotate, and the second driving roller, the third driving roller and the fourth driving roller are driven rollers;
the first driving roller, the second driving roller, the third driving roller and the fourth driving roller are arranged in a square shape, the first light source is arranged in a space defined by the first film, the first driving roller, the second driving roller, the third driving roller and the fourth driving roller, and the first light source and the first lamp panel are connected with the first lens barrel through the front bracket and the rear bracket;
the lamp holder is provided with a first spring switch at a 0-degree position, the lamp holder is provided with a second spring switch at a 180-degree position, the first spring switch and the second spring switch are both electrically connected with a second driving motor, a push rod corresponding to the first spring switch and the second spring switch is fixedly arranged on the first transmission shaft, a central shaft of the push rod and a central shaft of the shading sheet are on the same surface, the output shaft of the second driving motor rotates clockwise for a preset number of turns after the push rod presses the first spring switch and the second spring switch, and the output shaft of the second driving motor stops rotating after the push rod is far away from the first spring switch and the second spring switch;
in the stroke of the semicircular reciprocating swing of the first transmission shaft,
when the ejector rod rotates 180 degrees anticlockwise along with the first transmission shaft to press the first spring switch, the output shaft of the second drive motor is triggered to rotate clockwise for a preset number of turns, the section B of the first film rotates to the light source emitting direction of the first light source, then the shading sheet and the second lens cone synchronously rotate 180 degrees clockwise, the ejector rod is far away from the first spring switch in the process, the first spring switch resets, the second drive motor stops working, and the first-form night star image projection is displayed;
when the ejector rod rotates 180 degrees clockwise along with the first transmission shaft to press the second spring switch, the output shaft of the second drive motor is triggered to rotate clockwise for a preset number of turns, the section A of the first film rotates to the light source emitting direction of the first light source, then the second lens barrel continues to rotate 180 degrees clockwise, the shading sheet rotates 180 degrees counterclockwise, the ejector rod is far away from the second spring switch in the process, the second spring switch resets, the second drive motor stops working, and the first-form daytime astrology projection is displayed;
when the ejector rod rotates 180 degrees anticlockwise along with the first transmission shaft to press the first spring switch, the output shaft of the second drive motor is triggered to rotate clockwise for a preset number of turns, the D section of the first film rotates to the light source emitting direction of the first light source, then the shading sheet and the second lens cone synchronously rotate 180 degrees clockwise, the ejector rod is far away from the first spring switch in the process, the first spring switch resets, the second drive motor stops working, and the second-form night star image projection is displayed;
when the ejector rod rotates 180 degrees clockwise along with the first transmission shaft to press the second spring switch, the output shaft of the second driving motor is triggered to rotate clockwise for a preset number of turns, the C section of the first film rotates to the light source emitting direction of the first light source, then the second lens barrel continues to rotate 180 degrees clockwise, the shading sheet rotates 180 degrees counterclockwise, the ejector rod is far away from the second spring switch in the process, the second spring switch resets, the second driving motor stops working, and the star image projection in the second form day is displayed.
CN202111386885.XA 2021-11-22 2021-11-22 Day-night star-like projection lamp Active CN114017736B (en)

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CN202111386885.XA CN114017736B (en) 2021-11-22 2021-11-22 Day-night star-like projection lamp
CN202310481591.8A CN116412374A (en) 2021-11-22 2021-11-22 Alternate imaging mechanism and corresponding projection lamp

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202082797U (en) * 2011-05-27 2011-12-21 朱晓攀 Projecting lamp structure
JP2014063608A (en) * 2012-09-20 2014-04-10 Panasonic Corp Led lighting device
CN207471245U (en) * 2017-08-17 2018-06-08 台州市塞邦贸易有限公司 A kind of projection lamp
CN207687861U (en) * 2018-01-04 2018-08-03 广东宇豪电子有限公司 A kind of animation projection lamp
CN208475096U (en) * 2018-07-31 2019-02-05 朱艳玲 Dynamic projection lamp
CN211059897U (en) * 2020-06-03 2020-07-21 广州夜鹰照明有限公司 Waterproof outdoor advertisement projection lamp

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202082797U (en) * 2011-05-27 2011-12-21 朱晓攀 Projecting lamp structure
JP2014063608A (en) * 2012-09-20 2014-04-10 Panasonic Corp Led lighting device
CN207471245U (en) * 2017-08-17 2018-06-08 台州市塞邦贸易有限公司 A kind of projection lamp
CN207687861U (en) * 2018-01-04 2018-08-03 广东宇豪电子有限公司 A kind of animation projection lamp
CN208475096U (en) * 2018-07-31 2019-02-05 朱艳玲 Dynamic projection lamp
CN211059897U (en) * 2020-06-03 2020-07-21 广州夜鹰照明有限公司 Waterproof outdoor advertisement projection lamp

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