CN114017736B - Day-night star-like projection lamp - Google Patents

Day-night star-like projection lamp Download PDF

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Publication number
CN114017736B
CN114017736B CN202111386885.XA CN202111386885A CN114017736B CN 114017736 B CN114017736 B CN 114017736B CN 202111386885 A CN202111386885 A CN 202111386885A CN 114017736 B CN114017736 B CN 114017736B
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CN
China
Prior art keywords
bevel gear
film
light source
spring switch
driving motor
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CN202111386885.XA
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Chinese (zh)
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CN114017736A (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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    • 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

Abstract

The invention provides a day-night star image projection lamp, which comprises 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 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 the 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 the 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 structural design is reasonable, shows day night star image projection, and visual effect is good, and the sight is strong, very lively beautiful, strengthens light effect greatly.

Description

Day-night star-like projection lamp
Technical Field
The invention relates to the field of projection lamps, in particular to a day-night star image 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 form an environment projection shape such as a star image, 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 necessary to provide a day-night star image projection lamp to solve the above technical problems.
Disclosure of Invention
The invention provides a day-night star image projection lamp, which solves the problem that the day-night star image projection lamp in the prior art has single projection pattern state.
In order to solve the technical problems, the technical scheme of the invention is as follows: a day-night star image projection lamp comprising: the device comprises 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 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 the 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 the 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-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-night star image projection lamp, a star pattern is drawn on a first film, and a moon pattern is drawn on a second film.
In the day-night star image projection lamp, the optical ball is provided with the biconvex lens, and the biconvex lens is arranged at the position corresponding to the second imaging component.
In the day-night star image projection lamp, a first imaging component is integrated in the inner cavity of a first lens barrel, a second imaging component is integrated in the inner cavity of a second lens barrel, the first lens barrel is fixedly connected with a light shielding sheet through a connecting rod, hollow moon-shaped patterns are formed on the light shielding sheet, circular patterns are drawn on a second film, the light shielding sheet is arranged in the light source emitting direction of the second lens barrel, the light shielding sheet and the second lens barrel are concentrically arranged, the first lens barrel and the light shielding sheet are driven by a first transmission component to do semicircular reciprocating swing together, and the second lens barrel is driven by the second transmission component to do revolution motion by taking the first lens barrel as a circle center.
In the day-night star image projection lamp, the first transmission assembly and the second transmission assembly are driven by the first driving motor.
In the day-night star image projection lamp, a 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 the output shaft of the first driving motor, and 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 cone and the shading sheet to rotate clockwise for 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 cone 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 semicircular reciprocating swinging movement of the shading sheet.
In the day-night star image 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, wherein the first connecting bevel gear and the second connecting bevel gear are meshed with each other; the first connecting bevel gear is sleeved on the 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, 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 perform 360-degree revolution motion by taking the first lens cone as a circle center through the first connecting bevel gear, the second connecting bevel gear, the swing arm and the second transmission shaft.
In the day-night star image 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 image 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 are provided with star images displayed in daytime, the section B and the section D of the first film are provided with star images displayed in night, the section A, the section B, the section C and the section D of the first film are sequentially arranged, and the lengths of the section A, the section B, the section C and the section D of the first film are equal;
the first driving roller is a driving roller, the first driving roller is driven to rotate by a second driving motor, and the second driving roller, the third driving roller and the fourth driving roller are driven rollers;
the first light source is arranged in a space surrounded 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 and rear brackets;
the lamp holder is provided with a first spring switch at a position of 0 degree, the lamp holder is provided with a second spring switch at a position of 180 degrees, the first spring switch and the second spring switch are 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, the central shaft of the push rod and the central shaft of the anti-dazzling screen are arranged on the same surface, the push rod presses the first spring switch and the second spring switch to enable the output shaft of the second driving motor to rotate clockwise for a preset number of turns, and the push rod is far away from the first spring switch and the second spring switch to enable the output shaft of the second driving motor to stop rotating;
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, triggering an output shaft of the second driving motor to rotate clockwise for a preset number of turns, enabling a section B of the first film to rotate to the light source emitting direction of the first light source, then enabling the light shielding sheet and the second lens barrel to synchronously rotate clockwise for 180 degrees, enabling the ejector rod to be far away from the first spring switch in the process, enabling the first spring switch to reset, enabling the second driving motor to stop working, and displaying the first form night star image projection;
when the ejector rod rotates 180 degrees clockwise along with the first transmission shaft to press the second spring switch, triggering an output shaft of the second driving motor to rotate clockwise for a preset number of turns, enabling the section A of the first film to rotate to the light source emitting direction of the first light source, continuing to rotate 180 degrees clockwise by the second lens cone, enabling the light shielding piece to rotate 180 degrees anticlockwise, enabling the ejector rod to be far away from the second spring switch in the process, enabling the second spring switch to reset, enabling the second driving motor to stop working, and displaying the first-form white star image projection;
when the ejector rod rotates 180 degrees anticlockwise along with the first transmission shaft to press the first spring switch, triggering an output shaft of the second driving motor to rotate clockwise for a preset number of turns, enabling a section D of the first film to rotate to the light source emitting direction of the first light source, then enabling the light shielding sheet and the second lens barrel to synchronously rotate clockwise for 180 degrees, enabling the ejector rod to be far away from the first spring switch in the process, enabling the first spring switch to reset, enabling the second driving motor to stop working, and displaying second-state night star projection;
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 light shielding piece rotates 180 degrees anticlockwise, the ejector rod is far away from the second spring switch in the process, the second spring switch is reset, the second driving motor stops working, and the image projection of the second shape Bai Tianxing is displayed.
Compared with the prior art, the invention has the beneficial effects that:
1. the device can ensure that the projection projected by each film pattern reaches the optimal definition by arranging the convex lenses with different curvatures on the inner side surface of the optical ball;
2. in the first embodiment of the device, a biconvex lens is additionally arranged, a larger custom pattern such as moon is added on the effect of projecting the stars, the light emitted by the first light source generates a stars landscape projection after passing through the first film and the optical ball, and the light emitted by the second light source generates a moon landscape projection after passing through the condensing lens, the second film and the optical ball, so that the device projects stars and moon landscapes at the same time, and stronger vision and light effects are obtained.
3. In the second embodiment of the device, the first lens barrel and the light shielding sheet are driven by the first transmission component to do semicircular reciprocating swing together, the second lens barrel is driven by the second transmission component to do 360-degree revolution motion by taking the first lens barrel as a circle center, and meanwhile, the first lens barrel is matched with the rotation of the first film, and the first-form night star image projection, the first-form white star image projection, the second-form night star image projection and the second-form Bai Tianxing 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 that are needed in the embodiments are briefly described below, and the drawings in the following description are only drawings corresponding to some embodiments of the present invention.
Fig. 1 is a schematic view showing the external structure of a day and night star image projection lamp according to the present invention.
Fig. 2 is a schematic diagram showing an internal structure of a day-night star image projection lamp according to a first embodiment of the present invention.
Fig. 3 is a schematic diagram showing an internal structure of a day-night star image projection lamp 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 present invention.
Fig. 5 is a schematic diagram of an internal structure of a day-night star image 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 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 diagram of an internal structure of a day-night star image projection lamp according to a second embodiment of the present invention.
Fig. 9 is a schematic diagram of an internal structure of a day-night star image projection lamp 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, the liquid crystal display device comprises a liquid crystal display device,
1-a lamp holder;
2-optical sphere, 21-convex lens, 22-biconvex lens;
3-first imaging components, 31-first light sources, 32-first films, 33-first lamp panels, 34-first driving rollers, 35-second driving rollers, 36-third driving rollers, 37-fourth driving rollers and 38-second driving motors;
4-second imaging components, 41-second light sources, 42-condensing lenses, 43-second films and 44-second lamp panels;
5-a first barrel;
6-a second barrel;
7-connecting rods;
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-ejector rod;
13-a first spring switch;
14-a second spring switch.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The terms of directions used in the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "side", "top" and "bottom", are used for explaining and understanding the present invention only with reference to the orientation of the drawings, and are not intended to limit the present invention.
The words "first," "second," and the like in the terminology of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance and not as limiting the order of precedence.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The day-night star-like projection lamp in the prior art has single lighting effect.
The following is a preferred embodiment of a day-night star image projection lamp which solves the above technical problems.
Referring to fig. 1 to 4, fig. 1 is a schematic diagram of a day-night star image projection lamp according to the present invention, fig. 2 is a schematic diagram of an internal structure of a day-night star image projection lamp according to a first embodiment of the present invention, fig. 3 is a schematic diagram of an internal structure of a day-night star image projection lamp according to a first embodiment of the present invention, and fig. 4 is a schematic diagram of an optical ball according to a first embodiment of the present invention.
In the drawings, like structural elements are denoted by like reference numerals.
The invention provides a day-night star image projection lamp, which is characterized in that a lamp holder 1 and an optical ball 2 are connected together, and a first imaging component 3 and a second imaging component 4 are arranged in a space enclosed 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 the light emitted by the first light source 31 generates landscape projection after passing through the first film 32 and the optical ball 2; the second imaging component 4 includes a second light source 41, a condensing lens 42 and a second film 43, which are sequentially disposed, the second light source 41 is disposed on a second lamp panel 44, and the light emitted by the second light source 41 also generates a landscape projection after passing through the condensing lens 42, the second film 43 and the optical ball 2.
In the day-night star image projection lamp of the invention, 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-night star projection lamp according to the first embodiment of the invention, a star pattern is drawn on the first film 32, a moon pattern is drawn on the second film 43, the light emitted by the first light source 31 passes through the first film 32 and the optical ball 2 to generate a star landscape projection, and the light emitted by the second light source 41 passes through the condensing lens 42, the second film 43 and the optical ball 2 to generate a moon landscape projection, so that the device projects the stars and the moon simultaneously, and a stronger visual and lamplight effect is obtained.
In the day-night star image projection lamp according to the first embodiment of the present invention, the optical ball 2 is provided with the lenticular lens 22, and the lenticular lens 22 is disposed corresponding to the position of the second imaging component 4, so that a larger custom pattern such as moon is added on the effect of projecting a starlike sun, thereby realizing a better visual effect, being very vivid, and greatly enhancing the light effect.
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 ball 2 to generate a star landscape projection, and the light emitted by the second light source 41 passes through the condensing lens 42, the second film 43 and the optical ball 2 to generate a moon landscape projection, so that the device can project the star and moon landscape at the same time.
Thus, the operation of the day and night star image projection lamp of the preferred embodiment is completed.
Referring to fig. 1, 5-11, fig. 5 is a schematic diagram of an internal structure of a day and night star image projection lamp according to a second embodiment of the present invention, fig. 6 is a schematic diagram of a structure of a first imaging assembly according to a second embodiment of the present invention, fig. 7 is a schematic diagram of a structure of a first transmission assembly according to a second embodiment of the present invention, fig. 8 is a schematic diagram of an internal structure of a day and night star image projection lamp according to a second embodiment of the present invention, fig. 9 is a schematic diagram of an internal structure of a day and night star image projection lamp according to a second embodiment of the present invention, fig. 10 is a schematic diagram of a push rod, a first spring switch and a second spring switch according to a second embodiment of the present invention, and fig. 11 is a schematic diagram of a push rod, a first spring switch and a second spring switch according to a second embodiment of the present invention.
In the day-night star image projection lamp of the second embodiment of the 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 hollowed moon-shaped patterns, the second film 43 is drawn with circular patterns, 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 do semicircular reciprocating swing together, and the second lens barrel 6 is driven by the second transmission component 10 to do 360-degree revolution movement by taking the first lens barrel 5 as the center of a circle; in the range of 0-180 degrees, in the process of the synchronous movement of the shading sheet 8 and the second lens barrel 6 in the same direction, due to the shading effect of the shading sheet 8 with moon-shaped patterns, the device projects moon landscapes at the position and displays the moon landscapes at night; in the range of 180-360 degrees, when the anti-dazzling screen 8 and the second lens cone 6 move away from each other in the reverse direction, the anti-dazzling screen 8 does not play a role in shading the second lens cone 6, the second lens cone projects a circular landscape and is matched with the daytime landscape projected by the first lens cone, so that the circular landscape projected by the second lens cone at the moment is considered to be a sun landscape, and the sun landscape is displayed as daytime; therefore, the device realizes alternate day and night projection through a mechanical structure, and has great ornamental value.
In the day-night star image projection lamp of the second embodiment of the present invention, the first transmission assembly 9 and the second transmission assembly 10 are 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, wherein the first reversing bevel gear 92, the second reversing bevel gear 93 and the incomplete bevel gear 94 play a role in reversing, the number of teeth of the incomplete bevel gear 94 is set so as not to interfere with the first reversing bevel gear 92 and the second reversing bevel gear 93, reversing can be achieved, and the incomplete bevel gear 94 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 meshed at different times; 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 to rotate 180 degrees clockwise together with the light shielding sheet 8 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 light shielding sheet 8 to rotate 180 degrees anticlockwise through the incomplete bevel gear 94, the second reversing bevel gear 93 and the first transmission shaft 91; thereby realizing semicircular reciprocating swinging movement of the light shielding sheet 8.
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 with each other; 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 sleeved on the first transmission shaft 91, the second connecting bevel gear 102 and the swing arm 103 are 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 cone 6 are fixedly connected into a whole, and the first driving motor 11 drives the second lens cone 6 to perform 360-degree revolution motion by taking the first lens cone 5 as a 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; the bearing may be disposed between the second connection bevel gear 102, the swing arm 103 and the first transmission shaft 91, or a rotation gap may be directly disposed between the second connection bevel gear 102, the swing arm 103 and the first transmission shaft 91, and in order to support the second connection bevel gear 102 and the swing arm 103, a support ring for supporting the second connection bevel gear 102 and the swing arm 103 may be disposed on the first transmission shaft 91, and the connection manner is not limited thereto, so that the second connection bevel gear 102 and the swing arm 103 can rotate better.
In the day-night star projection lamp according to the second embodiment of the present invention, in order to enable the light shielding sheet 8 to move in the same direction and in synchronization with the second barrel 6 within the range of 0 degrees 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 all 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 move synchronously in the same direction with the second lens barrel 6 within the range of 0 degrees to 180 degrees, 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 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 are 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 are r; the above relationship is according to the formula: the linear velocity v=radius r×angular velocity ω is calculated, and since the angular velocity of the output shaft of the first drive motor 11 is ω, the angular velocities of the first connecting bevel gear 101 and the incomplete bevel gear 94 are ω, the linear velocity of the first connecting bevel gear 101 is 2rω, since the second connecting bevel gear 102 is intermeshed with the first connecting bevel gear 101, the linear velocity of the second connecting bevel gear 102 is also 2rω, and since the linear velocity of the second reversing bevel gear 93 is intermeshed with the incomplete bevel gear 94, the linear velocity of the second reversing bevel gear 93 is equal to the linear velocity of the incomplete bevel gear 94, and both are rω, and according to the formula, the angular velocity rω/r=ω of the second reversing bevel gear 93.
In the day-night star image projection lamp of the second embodiment of the present invention, the first film 32 is in a roll shape, the first film 32 is wound on the first driving roller 34, the second driving roller 35, the third driving roller 36 and the fourth driving roller 37, and the section a and the section C of the first film 32 have star image patterns displayed in daytime, such as a cloud, a rainbow, and the like; segments B and D of the first film 32 have a star pattern, such as various types of star patterns, for displaying nights; the A section, the B section, the C section and the D section of the first film 32 are sequentially arranged, and the lengths of the A section, the B section, the C section and the D section of the first film 32 are equal;
the first driving roller 34 is a driving roller, the first driving roller 34 is driven to rotate by a second driving motor 38, and the second driving roller 35, the third driving roller 36 and the fourth driving roller 37 are driven rollers;
the first light source 31 is arranged in a space surrounded by the first film 32, the first driving roller 34, the second driving roller 35, the third driving roller 36 and the fourth driving roller 37 according to square shapes, the first light source 31 and the first lamp panel 33 are connected with the first lens barrel 5 through front and rear supports, so that a section of pattern of the first film 32 is arranged in the ejection direction of the first light source 31, mutual interference between patterns is avoided, and definition of projection patterns is guaranteed.
The lamp holder 1 is provided with a first spring switch 13 at a position of 0 degree, the lamp holder 1 is provided with a second spring switch 14 at a position of 180 degrees, the first spring switch 13 and the second spring switch 14 are 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 axis of the push rod 12 and the central axis of the anti-dazzling screen 8 are arranged on the same surface, after the push rod 12 presses the first spring switch 13 and the second spring switch 14, the output shaft of the second driving motor 38 rotates clockwise for a preset number of turns, and after the push rod is far away from the first spring switch 13 and the second spring switch 14, the output shaft of the second driving motor 38 stops rotating; the predetermined number of turns of the output shaft of the second driving motor 38 rotated clockwise is determined by the lengths of the section a, the section B, the section C and the section D of the first film 32 and the power of the second driving motor 38, wherein the predetermined number of turns can be determined according to the actual lengths of the section a, the section B, the section C and the section D of the first film 32 in the light source emitting direction of the first light source 31 in each rotation of the second driving motor 38; the first spring switch 13 and the second spring switch 14 all comprise a telescopic rod, a spring and an induction key, when the telescopic rod is contacted with the induction key by the external force against the spring, the output shaft of the second driving motor 38 is triggered to rotate clockwise by 90 degrees, and when the external force disappears, the telescopic rod is far away from the induction key by the elastic force of the spring, and the second driving motor 38 stops working.
In the stroke of the semicircular reciprocating swing of the first transmission shaft 91,
when the ejector rod 12 rotates 180 degrees anticlockwise 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 light shielding sheet 8 and the second lens barrel 6 synchronously rotate clockwise for 180 degrees, in the process, the ejector rod 12 is far away from the first spring switch 13, the first spring switch 13 is reset, 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 until the second spring switch 14 is pressed, the output shaft of the second driving motor 38 is triggered to rotate clockwise for a predetermined 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 anticlockwise, in the process, the ejector rod 12 is far away from the second spring switch 14, the second spring switch 14 is reset, the second driving motor 38 stops working, and the first form of white star projection is displayed.
When the ejector rod 12 rotates 180 degrees anticlockwise 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 D of the first film 32 rotates to the light source emitting direction of the first light source 31, then the light shielding sheet 8 and the second lens barrel 6 synchronously rotate clockwise for 180 degrees, in the process, the ejector rod 12 is far away from the first spring switch 13, the first spring switch 13 is reset, the second driving motor 38 stops working, and the second-state night star image projection is displayed.
When the ejector rod 12 rotates 180 degrees clockwise along with the first transmission shaft 91 until the second spring switch 14 is pressed, 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 anticlockwise, in the process, the ejector rod 12 is far away from the second spring switch 14, the second spring switch 14 is reset, the second driving motor 38 stops working, and the second shape Bai Tianxing is displayed.
The first driving motor 11 is continuously rotated counterclockwise, and the above-described respective components are continuously repeated.
The working principle of the second embodiment of the invention is as follows:
the first lens barrel 5 and the light shielding sheet 8 are driven by the first transmission assembly 9 to do semicircular reciprocating swing together, and the second lens barrel 6 is driven by the second transmission assembly 10 to do 360-degree revolution motion by taking the first lens barrel 5 as a circle center; in the range of 0-180 degrees, in the process of the synchronous movement of the shading sheet 8 and the second lens barrel 6 in the same direction, due to the shading effect of the shading sheet 8 with moon-shaped patterns, the device projects moon landscapes at the position and displays the moon landscapes at night; in the range of 180-360 degrees, when the anti-dazzling screen 8 and the second lens cone 6 move away from each other in the reverse direction, the anti-dazzling screen 8 does not play a role in shading the second lens cone 6, the second lens cone projects a circular landscape and is matched with the daytime landscape projected by the first lens cone, so that the circular landscape projected by the second lens cone at the moment is considered to be a sun landscape, and the sun landscape is displayed as daytime; therefore, the device realizes alternate day and night projection through a mechanical structure;
meanwhile, the cyclic rotation of the section A, the section B, the section C and the section D of the first film 32 is overlapped, and the device obtains the first form night star image projection, the first form white star image projection, the second form night star image projection and the second form Bai Tianxing image projection.
Thus, the operation of the day and night star image projection lamp of the preferred embodiment is completed.
In summary, although the present invention has been described in terms of the preferred embodiments, the above-mentioned embodiments are not intended to limit the invention, and those skilled in the art can make various modifications and alterations without departing from the spirit and scope of the invention, so that the scope of the invention is defined by the appended claims.

Claims (6)

1. The day-night star-like 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 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 the 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 the 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 first imaging component is integrated in the inner cavity of the first lens barrel, the second imaging component is integrated in the inner cavity of the second lens barrel, the first lens barrel is fixedly connected with the light shielding sheet through the connecting rod, hollowed moon-shaped patterns are formed on the light shielding sheet, circular patterns are drawn on the second film, the light shielding sheet is arranged in the light source emitting direction of the second lens barrel, the light shielding sheet and the second lens barrel are concentrically arranged, the first lens barrel and the light shielding sheet are driven by the first transmission component to do semicircular reciprocating swing together, and the second lens barrel is driven by the second transmission component to do revolution motion by taking the first lens barrel as a circle center; the first transmission assembly and the second transmission assembly are driven by a first driving motor;
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 the output shaft of the first driving motor and 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 cone and the light shielding sheet to rotate clockwise for 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 cone 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 semicircular reciprocating swinging movement of the shading sheet;
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 with each other; the first connecting bevel gear is sleeved on the 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, 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 perform 360-degree revolution motion by taking the first lens cone as a circle center through the first connecting bevel gear, the second connecting bevel gear, the swing arm and the second transmission shaft.
2. The day and night star projection lamp of claim 1 wherein: the inner side surface of the optical ball is provided with a plurality of convex lenses with different curvatures.
3. The day and night star projection lamp of claim 1 wherein: star patterns are drawn on the first film, and moon patterns are drawn on the second film.
4. A day and night star projection lamp according to claim 3 wherein: 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. The day and night star projection lamp of claim 1 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.
6. The day and night star projection lamp of claim 1 wherein:
the first film is in a roll shape, the first film is wound on a first driving roller, a second driving roller, a third driving roller and a fourth driving roller, the section A and the section C of the first film are provided with star images which are displayed in daytime, the section B and the section D of the first film are provided with star images 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 lengths of the section A, the section B, the section C and the section D of the first film are equal;
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 light source is arranged in a space surrounded 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 cone through the front and rear brackets;
the lamp holder is provided with a first spring switch at a position of 0 degree, the lamp holder is provided with a second spring switch at a position of 180 degrees, the first spring switch and the second spring switch are 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 arranged on the same surface, the push rod presses the first spring switch and the second spring switch to enable an output shaft of the second driving motor to rotate clockwise for a preset number of turns, and the push rod is far away from the first spring switch and the second spring switch to enable the output shaft of the second driving motor to stop rotating;
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, triggering the output shaft of the second driving motor to rotate clockwise for a preset number of turns, enabling the section B of the first film to rotate to the light source emitting direction of the first light source, then enabling the light shielding sheet and the second lens barrel to synchronously rotate clockwise for 180 degrees, enabling the ejector rod to be far away from the first spring switch in the process, enabling the first spring switch to reset, enabling the second driving motor to stop working, and displaying the first form of night star image projection;
when the ejector rod rotates 180 degrees clockwise along with the first transmission shaft to press the second spring switch, triggering the output shaft of the second driving motor to rotate clockwise for a preset number of turns, enabling the section A of the first film to rotate to the light source emitting direction of the first light source, continuing to rotate 180 degrees clockwise by the second lens cone, enabling the light shielding sheet to rotate anticlockwise for 180 degrees, enabling the ejector rod to be far away from the second spring switch in the process, enabling the second spring switch to reset, enabling the second driving motor to stop working, and displaying the first form of white astronomical phenomena projection;
when the ejector rod rotates 180 degrees anticlockwise along with the first transmission shaft to press the first spring switch, triggering the output shaft of the second driving motor to rotate clockwise for a preset number of turns, enabling the section D of the first film to rotate to the light source emitting direction of the first light source, then enabling the light shielding sheet to synchronously rotate clockwise for 180 degrees with the second lens barrel, enabling the ejector rod to be far away from the first spring switch in the process, enabling the first spring switch to reset, enabling the second driving motor to stop working, and displaying the second-state night star image projection;
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 a preset number of turns clockwise, 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 light shielding sheet rotates 180 degrees anticlockwise, in the process, the ejector rod is far away from the second spring switch, the second spring switch is reset, the second driving motor stops working, and the second shape Bai Tianxing image projection is displayed.
CN202111386885.XA 2021-11-22 2021-11-22 Day-night star-like projection lamp Active CN114017736B (en)

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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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