CN113701069A - Projecting lamp of self-interacting focus - Google Patents
Projecting lamp of self-interacting focus Download PDFInfo
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- CN113701069A CN113701069A CN202111244010.6A CN202111244010A CN113701069A CN 113701069 A CN113701069 A CN 113701069A CN 202111244010 A CN202111244010 A CN 202111244010A CN 113701069 A CN113701069 A CN 113701069A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
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- 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
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- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
- F21V23/0471—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor detecting the proximity, the presence or the movement of an object or a person
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a projecting lamp with a self-adjusting focal length, which belongs to the field of projecting lamps and comprises a lamp holder and a lamp shade, wherein a supporting bottom plate is fixed at the inner bottom of the lamp shade, a spherical adjusting plate is fixed at the top of the supporting bottom plate, the spherical adjusting plate comprises a plurality of arc-shaped plates which are uniformly distributed at equal angles, magnetic balls are fixed at the top ends of the arc-shaped plates, an inner lining plate is fixed on the inner wall of the top of the lamp shade, the inner wall of the inner lining plate is of a cambered surface structure, arc-shaped sliding grooves which are matched with the magnetic balls one by one are formed in the inner wall of the inner lining plate, an electromagnetic ring is fixed at the bottom of the inner lining plate, a return spring is clamped between the magnetic balls and the electromagnetic ring, a liquid storage bag is arranged in the spherical adjusting plate and comprises an elastic top film and an elastic bottom film, the projecting lamp can automatically adjust the projecting area, achieves the projecting area meeting the size of an exhibit, effectively increases the light concentration degree, improves the projecting effect and has market prospect, is suitable for popularization.
Description
Technical Field
The invention relates to the field of projection lamps, in particular to a projection lamp capable of automatically adjusting focal length.
Background
The LED projection lamp is called a linear LED projection lamp and the like, because the LED projection lamp is in a long strip shape, the LED projection lamp is also called an LED linear lamp by people, is mainly used for architectural decoration or exhibition illumination, is also used for outlining large buildings, has the technical parameters which are similar to those of the LED projection lamp, and is more beneficial and more reasonable compared with a circular structure of the LED projection lamp.
In order to beautify the exhibits, a suspended projection lamp is generally used for projection, but the projection area of the projection lamp is mostly fixed and cannot be changed at any time along with the size of the exhibits, so that the illumination effect is influenced, and therefore the projection lamp capable of automatically adjusting the focal length is provided to solve the problems.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a projection lamp with a self-adjusting focal length, which can be matched with a spherical adjusting plate with a magnetic ball and an arc-shaped plate and a liquid storage bag with transparent liquid, when in use, the distance of an exhibit at the bottom of the projection lamp is detected by a distance sensor and fed back to a control unit, the control unit controls an electromagnetic ring to be started, so as to generate adsorption force on the magnetic ball, the magnetic ball overcomes the elasticity of a reset spring to move downwards along an arc-shaped chute, so as to drive the arc-shaped plate to deform, an elastic bottom film of the liquid storage bag deforms along with the inner wall of the spherical adjusting plate in the deformation process of the arc-shaped plate, thereby achieving the purpose of increasing the curvature of the bottom of the transparent liquid, increasing the focal length of light projected by a lamp bead and reducing the projected area, and the invention can automatically adjust the projected area, achieve the projected area meeting the size of the exhibit and effectively increase the concentration of the light, the projection effect is improved, the market prospect is achieved, and the method is suitable for popularization.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides a profection lamp of self-interacting focus, includes lamp stand and lamp shade, the lamp shade inner bottom is fixed with supporting baseplate, the supporting baseplate top is fixed with spherical regulating plate, spherical regulating plate includes a plurality of angles such as divide equally the arc of arranging, the top of arc all is fixed with the magnetism ball, the top inner wall of lamp shade is fixed with interior welt, the inner wall of interior welt is the cambered surface structure, the inner wall of interior welt is equipped with the arc spout with magnetism ball one-to-one phase-match, the bottom of interior welt is fixed with the electromagnetic ring, the clamp joint has reset spring between magnetism ball and the electromagnetic ring, be equipped with the reservoir in the spherical regulating plate, the reservoir includes elasticity epiphragma and elasticity basement membrane, the elasticity basement membrane is glued joint fixedly with the inner wall of spherical regulating plate, the reservoir intussuseption is filled with the transparent liquid, be connected with radiating fin between lamp stand and lamp shade, radiating fin's bottom is fixed with the circuit board, be equipped with the lamp pearl on the circuit board, the lamp pearl sets up the top at the reservoir, lamp shade outer wall one side is equipped with distance sensor.
According to the invention, through the mutual matching between the spherical adjusting plate with the magnetic ball and the arc-shaped plate and the liquid storage bag with the transparent liquid, when the projection lamp is used, the distance of an exhibit at the bottom of the projection lamp is detected by the distance sensor and fed back to the control unit, the control unit controls the electromagnetic ring to be started, so that the magnetic ball is adsorbed, the magnetic ball overcomes the elasticity of the reset spring and moves downwards along the arc-shaped chute, and further the arc-shaped plate is driven to deform, in the deformation process of the arc-shaped plate, the elastic bottom film of the liquid storage bag deforms along with the inner wall of the spherical adjusting plate, so that the aim of increasing the curvature of the bottom of the transparent liquid is achieved, the light focus projected by the lamp beads is increased, and the projection area is reduced.
Furthermore, a control unit is arranged on the circuit board, the control unit is a circuit board with a single chip microcomputer as a core, and the lamp bead, the electromagnetic ring and the distance sensor are electrically connected with the control unit through wires.
Furthermore, the elasticity basement membrane is hemisphere face diaphragm structure under free state, spherical regulating plate is hemisphere face structure under free state, the centre of sphere concentric setting of elasticity basement membrane and spherical regulating plate.
Furthermore, an airtight liquid storage bag is formed between the elastic top film and the elastic bottom film through welding, the magnetic ball is of a hollow magnetic ball structure, and a channel for communicating the liquid storage bag with the magnetic ball is arranged on the arc-shaped plate. When the electromagnetism ring adsorbs the magnetic ball and moves down, the elasticity basement membrane of reservoir takes place deformation along with the inner wall of spherical regulating plate, elasticity apical membrane surface area increase, and then inside transparent liquid in the extrusion reservoir flows in the magnetic ball through the passageway, inflow through transparent liquid, the gravity of magnetic ball increases, when the electromagnetism ring was removed electric power, reset spring and arc board's the elasticity that makes progress can be balanced to the total mass of its inside transparent liquid of magnetic ball combination, consequently, the electromagnetic ring need not extra power supply, can reach the purpose of maintaining the magnetic ball position, the effectual energy consumption that has reduced.
Furthermore, the electromagnetic ring is of a ring-shaped electromagnet structure with changeable magnetic poles. Through the structural design of the electromagnetic ring with changeable magnetic poles, when the bottom curvature of the transparent liquid is reduced, the magnetic poles of the electromagnetic ring are only required to be adjusted to be the same magnetic poles of the magnetic balls, the purpose of repelling the magnetic balls is achieved, the magnetic balls move upwards along the arc-shaped sliding grooves to drive the arc-shaped plates to gather together, the elastic bottom film of the liquid storage bag deforms along with the inner wall of the spherical adjusting plate, the bottom curvature of the transparent liquid is reduced, and reciprocating rapid adjustment is facilitated.
Furthermore, the reset spring is of an anti-fatigue spring structure and has elasticity for driving the magnetic ball at the top end of the arc-shaped plate to be far away from the electromagnetic ring.
Furthermore, the arc-shaped plates are of flexible plate structures with elasticity, the arc-shaped plates are gathered together to form a hemispherical spherical adjusting plate in a free state, and at the moment, the reset spring jacks the magnetic ball to the highest point of the arc-shaped sliding groove.
Furthermore, the supporting bottom plate, the spherical adjusting plate and the arc-shaped plate thereof, the liquid storage bag and the elastic top film and the elastic bottom film thereof are all of high-light-transmission structures.
Further, the distance between the inner wall cambered surface of the lining plate and the bottom end of the spherical adjusting plate is gradually increased from top to bottom.
Furthermore, the projection light of the lamp beads is parallel light, and the inner lining plate is of a low light-transmitting structure. Through the structural design of high light-transmitting structure's supporting baseplate, spherical regulating plate, reservoir, effectively avoided lamp pearl light loss, utilize the structural design of the inner wall cambered surface of interior welt, make the arc take place when deformation along with the downward displacement of magnetic ball, can receive the limiting effect of interior welt, be the radian of linear relation progressively increasing its self, reach the purpose of adjusting transparent liquid bottom camber.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme is through having the magnetic ball, the spherical regulating plate of arc and the mutually supporting between the reservoir that has transparent liquid, when using, detect the distance of profection lamp bottom showpiece by distance sensor, and feed back to the control unit, start by the control unit control electromagnetism ring, and then produce the adsorption affinity to the magnetic ball, make the magnetic ball overcome reset spring's elasticity and move down along the arc spout, and then drive the arc and take place to deform, in the arc deformation process, the elasticity basement membrane of reservoir takes place to deform along with the inner wall of spherical regulating plate, reach the purpose that increases transparent liquid bottom camber, the light focus that makes the lamp pearl throw out increases, the projection area reduces, the automatically regulated projection area of this invention can reach the projection area that satisfies the showpiece size, effectively increased the light concentration, promoted the projection effect, market prospect has, and is suitable for popularization.
(2) When the electromagnetism ring adsorbs the magnetic ball and moves down, the elasticity basement membrane of reservoir takes place deformation along with the inner wall of spherical regulating plate, elasticity apical membrane surface area increase, and then inside transparent liquid in the extrusion reservoir flows in the magnetic ball through the passageway, inflow through transparent liquid, the gravity of magnetic ball increases, when the electromagnetism ring was removed electric power, reset spring and arc board's the elasticity that makes progress can be balanced to the total mass of its inside transparent liquid of magnetic ball combination, consequently, the electromagnetic ring need not extra power supply, can reach the purpose of maintaining the magnetic ball position, the effectual energy consumption that has reduced.
(3) Through the structural design of the electromagnetic ring with changeable magnetic poles, when the bottom curvature of the transparent liquid is reduced, the magnetic poles of the electromagnetic ring are only required to be adjusted to be the same magnetic poles of the magnetic balls, the purpose of repelling the magnetic balls is achieved, the magnetic balls move upwards along the arc-shaped sliding grooves to drive the arc-shaped plates to gather together, the elastic bottom film of the liquid storage bag deforms along with the inner wall of the spherical adjusting plate, the bottom curvature of the transparent liquid is reduced, and reciprocating rapid adjustment is facilitated.
(4) Through the structural design of high light-transmitting structure's supporting baseplate, spherical regulating plate, reservoir, effectively avoided lamp pearl light loss, utilize the structural design of the inner wall cambered surface of interior welt, make the arc take place when deformation along with the downward displacement of magnetic ball, can receive the limiting effect of interior welt, be the radian of linear relation progressively increasing its self, reach the purpose of adjusting transparent liquid bottom camber.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic bottom view of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a schematic illustration of an explosive structure according to the present invention;
FIG. 6 is a schematic structural view of a spherical adjustment plate according to the present invention;
FIG. 7 is a schematic view of the structure of the inner lining plate proposed in the present invention;
FIG. 8 is a schematic view of a partial cross-sectional structure of a reservoir proposed in the present invention;
FIG. 9 is a schematic view of the internal structure of the present invention with reduced focal length;
fig. 10 is a schematic view of the internal structure of the present invention when the focal length is increased.
The reference numbers in the figures illustrate:
the lamp holder 1, the lamp shade 2, the supporting bottom plate 21, the spherical adjusting plate 22, the magnetic ball 221, the arc-shaped plate 222, the channel 223, the lining plate 23, the arc-shaped sliding groove 231, the return spring 24, the liquid storage bag 25, the elastic top film 251, the elastic bottom film 252, the electromagnetic ring 26, the distance sensor 27, the heat dissipation fin 3, the circuit board 31 and the lamp bead 32.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-10, a projector lamp capable of adjusting focus automatically includes a lamp holder 1 and a lamp shade 2, a supporting bottom plate 21 is fixed at the inner bottom of the lamp shade 2, a spherical adjusting plate 22 is fixed at the top of the supporting bottom plate 21, the spherical adjusting plate 22 includes a plurality of arc plates 222 equally distributed at equal angles, magnetic balls 221 are fixed at the top ends of the arc plates 222, a lining plate 23 is fixed at the inner wall of the top of the lamp shade 2, the inner wall of the lining plate 23 is of an arc structure, arc chutes 231 matched with the magnetic balls 221 one by one are arranged on the inner wall of the lining plate 23, an electromagnetic ring 26 is fixed at the bottom of the lining plate 23, a return spring 24 is clamped between the magnetic balls 221 and the electromagnetic ring 26, a liquid storage bag 25 is arranged in the spherical adjusting plate 22, the liquid storage bag 25 includes an elastic top film 251 and an elastic bottom film 252, the elastic bottom film 252 is fixed to the inner wall of the spherical adjusting plate 22 by adhesive bonding, a transparent liquid is filled in the liquid storage bag 25, a heat dissipation fin 3 is connected between the lamp holder 1 and the lamp shade 2, the bottom of radiating fin 3 is fixed with circuit board 31, is equipped with lamp pearl 32 on circuit board 31, and lamp pearl 32 sets up at the top of reservoir 25, and 2 outer wall one sides of lamp shade are equipped with distance sensor 27, are equipped with the control unit on circuit board 31, and the control unit is the circuit board of singlechip as the core, and lamp pearl 32, electromagnetic ring 26 and distance sensor 27 all pass through wire and the control unit electric connection.
The invention uses the mutual cooperation between the spherical adjusting plate 22 with the magnetic ball 221 and the arc plate 222 and the liquid storage bag 25 with the transparent liquid, when in use, the distance of the display at the bottom of the projection lamp is detected by the distance sensor 27 and fed back to the control unit, the control unit controls the electromagnetic ring 26 to start, and then the magnetic ball 221 generates the adsorption force, so that the magnetic ball 221 overcomes the elasticity of the reset spring 24 to move downwards along the arc chute 231, and further the arc plate 222 is driven to deform, in the deformation process of the arc plate 222, the elastic bottom film 252 of the liquid storage bag 25 deforms along with the inner wall of the spherical adjusting plate 22, thereby achieving the purpose of increasing the curvature of the bottom of the transparent liquid, increasing the focal length of the light projected by the lamp bead 32, and reducing the projected area, the invention can automatically adjust the projected area, achieve the projected area meeting the size of the display, effectively increase the light concentration, improve the projected effect, and has market prospect, is suitable for popularization.
Referring to fig. 8-10, the elastic bottom film 252 is a hemispherical diaphragm structure in a free state, the spherical adjusting plate 22 is a hemispherical structure in a free state, the elastic bottom film 252 and the spherical center of the spherical adjusting plate 22 are concentrically arranged, the elastic top film 251 and the elastic bottom film 252 are welded to form the sealed reservoir 25, the magnetic ball 221 is a hollow magnetic ball structure, the arc-shaped plate 222 is provided with a channel 223 communicating the reservoir 25 and the magnetic ball 221, the return spring 24 is an anti-fatigue spring structure, the return spring 24 has an elastic force for driving the magnetic ball 221 at the top end of the arc-shaped plate 222 to be far away from the electromagnetic ring 26, the arc-shaped plate 222 is an elastic flexible plate structure, the plurality of arc-shaped plates 222 are gathered together in a free state to form the hemispherical spherical adjusting plate 22, and at this time, the return spring 24 lifts the magnetic ball 221 to the highest point of the arc-shaped chute 231.
When the electromagnetic ring 26 adsorbs the magnetic ball 221 to move downwards, the elastic bottom film 252 of the liquid storage bag 25 deforms along with the inner wall of the spherical adjusting plate 22, the surface area of the elastic top film 251 is increased, and then the transparent liquid in the liquid storage bag 25 is extruded to flow into the magnetic ball 221 through the channel 223, through the inflow of the transparent liquid, the gravity of the magnetic ball 221 is increased, when the electromagnetic ring 26 removes electric power, the magnetic ball 221 combines the total mass of the transparent liquid in the magnetic ball 221 to balance the upward elasticity of the reset spring 24 and the arc-shaped plate 222, therefore, the electromagnetic ring 26 does not need to be additionally powered, the purpose of maintaining the position of the magnetic ball 221 can be achieved, and the energy consumption is effectively reduced.
The electromagnet ring 26 is a ring-shaped electromagnet structure with changeable magnetic poles. Through the structural design of the electromagnetic ring 26 with the changeable magnetic pole, when the bottom curvature of the transparent liquid is reduced, only the magnetic pole of the electromagnetic ring 26 needs to be adjusted to be the same magnetic pole of the magnetic ball 221, so that the magnetic ball 221 is repelled, the magnetic ball is enabled to move upwards along the arc-shaped sliding groove 231, the arc-shaped plate 222 is driven to gather together, the elastic bottom film 252 of the liquid storage bag 25 deforms along with the inner wall of the spherical adjusting plate 22, the bottom curvature of the transparent liquid is enabled to be reduced, and the reciprocating rapid adjustment is facilitated.
Referring to fig. 1-10, the supporting bottom plate 21, the spherical adjusting plate 22 and the arc-shaped plate 222 thereof, the liquid storage bag 25 and the elastic top film 251 thereof, and the elastic bottom film 252 are all of high light-transmitting structures, the light projected by the lamp beads 32 is parallel light, the inner lining plate 23 is of a low light-transmitting structure, and the distance between the inner wall arc surface of the inner lining plate 23 and the bottom end of the spherical adjusting plate 22 gradually increases from top to bottom. Through the structural design of high light-transmitting structure's supporting baseplate 21, spherical regulating plate 22, reservoir 25, effectively avoided lamp pearl 32 light loss, utilize the structural design of the inner wall cambered surface of interior welt 23, make the arc 222 when taking place deformation along with the downward displacement of magnetic ball 221, can receive the limiting effect of interior welt 23, be the radian of linear relation progressively increasing its self, reach the purpose of adjusting transparent liquid bottom camber.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. A self-adjusting focus projector comprising a lamp base (1) and a lamp housing (2), characterized in that: a supporting bottom plate (21) is fixed at the inner bottom of the lampshade (2), a spherical adjusting plate (22) is fixed at the top of the supporting bottom plate (21), the spherical adjusting plate (22) comprises a plurality of arc-shaped plates (222) which are uniformly distributed at equal angles, magnetic balls (221) are fixed at the top ends of the arc-shaped plates (222), a lining plate (23) is fixed on the inner wall of the top of the lampshade (2), the inner wall of the lining plate (23) is of an arc-shaped structure, arc-shaped sliding grooves (231) which are matched with the magnetic balls (221) one by one are formed in the inner wall of the lining plate (23), an electromagnetic ring (26) is fixed at the bottom of the lining plate (23), a reset spring (24) is clamped between the magnetic balls (221) and the electromagnetic ring (26), a liquid storage bag (25) is arranged in the spherical adjusting plate (22), and the liquid storage bag (25) comprises an elastic top film (251) and an elastic bottom film (252), elasticity basement membrane (252) splice fixedly with the inner wall of spherical regulating plate (22), liquid reserve tank (25) intussuseption is filled with transparent liquid, be connected with radiating fin (3) between lamp stand (1) and lamp shade (2), the bottom of radiating fin (3) is fixed with circuit board (31), be equipped with lamp pearl (32) on circuit board (31), lamp pearl (32) set up the top in liquid reserve tank (25), lamp shade (2) outer wall one side is equipped with distance sensor (27).
2. A self-adjusting focus projector as claimed in claim 1, wherein: the LED lamp is characterized in that a control unit is arranged on the circuit board (31), the control unit is a circuit board with a single chip microcomputer as a core, and the lamp beads (32), the electromagnetic ring (26) and the distance sensor (27) are all electrically connected with the control unit through wires.
3. A self-adjusting focus projector as claimed in claim 1, wherein: the elastic bottom film (252) is of a hemispherical diaphragm structure in a free state, the spherical adjusting plate (22) is of a hemispherical structure in a free state, and the elastic bottom film (252) and the spherical center of the spherical adjusting plate (22) are concentrically arranged.
4. A self-adjusting focus projector as claimed in claim 1, wherein: the elastic top film (251) and the elastic bottom film (252) are welded to form a closed liquid storage bag (25), the magnetic ball (221) is of a hollow magnetic ball structure, and a channel (223) for communicating the liquid storage bag (25) with the magnetic ball (221) is arranged on the arc-shaped plate (222).
5. A self-adjusting focus projector as claimed in claim 1, wherein: the electromagnetic ring (26) is of a ring-shaped electromagnet structure with changeable magnetic poles.
6. A self-adjusting focus projector as claimed in claim 1, wherein: the reset spring (24) is of an anti-fatigue spring structure, and the reset spring (24) has elasticity which drives the magnetic ball (221) at the top end of the arc-shaped plate (222) to be far away from the electromagnetic ring (26).
7. A self-adjusting focus projector as claimed in claim 6, wherein: the arc-shaped plates (222) are of elastic flexible plate structures, the arc-shaped plates (222) are gathered together to form a hemispherical spherical adjusting plate (22) in a free state, and at the moment, the return spring (24) jacks the magnetic ball (221) to the highest point of the arc-shaped sliding groove (231).
8. A self-adjusting focus projector as claimed in claim 1, wherein: the supporting bottom plate (21), the spherical adjusting plate (22) and the arc-shaped plate (222) thereof, the liquid storage bag (25) and the elastic top film (251) thereof and the elastic bottom film (252) thereof are all high-light-transmission structures.
9. A self-adjusting focus projector as claimed in claim 1, wherein: the distance between the inner wall cambered surface of the lining plate (23) and the bottom end of the spherical adjusting plate (22) is gradually increased from top to bottom.
10. A self-adjusting focus projector as claimed in claim 1, wherein: the projection light of the lamp beads (32) is parallel light, and the inner lining plate (23) is of a low light-transmitting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111244010.6A CN113701069B (en) | 2021-10-26 | 2021-10-26 | Projecting lamp of self-interacting focus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111244010.6A CN113701069B (en) | 2021-10-26 | 2021-10-26 | Projecting lamp of self-interacting focus |
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| Publication Number | Publication Date |
|---|---|
| CN113701069A true CN113701069A (en) | 2021-11-26 |
| CN113701069B CN113701069B (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111244010.6A Active CN113701069B (en) | 2021-10-26 | 2021-10-26 | Projecting lamp of self-interacting focus |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201661934U (en) * | 2010-01-29 | 2010-12-01 | 大连电子工业股份有限公司 | Focusable lamp structure |
| CN202719475U (en) * | 2011-12-29 | 2013-02-06 | 东莞市贻嘉光电科技有限公司 | Focusable projection lamp |
| CN111022977A (en) * | 2019-12-27 | 2020-04-17 | 冠牌光电智能科技湖北股份有限公司 | Be applied to adjustable LED lamp of anti-dazzle of tunnel |
| CN112344223A (en) * | 2020-12-08 | 2021-02-09 | 张辉辉 | Heat dissipation type LED lamp with spotlight and astigmatism function |
| CN112594636A (en) * | 2020-12-12 | 2021-04-02 | 刘进进 | Light-gathering underground evacuation indicator lamp |
-
2021
- 2021-10-26 CN CN202111244010.6A patent/CN113701069B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201661934U (en) * | 2010-01-29 | 2010-12-01 | 大连电子工业股份有限公司 | Focusable lamp structure |
| CN202719475U (en) * | 2011-12-29 | 2013-02-06 | 东莞市贻嘉光电科技有限公司 | Focusable projection lamp |
| CN111022977A (en) * | 2019-12-27 | 2020-04-17 | 冠牌光电智能科技湖北股份有限公司 | Be applied to adjustable LED lamp of anti-dazzle of tunnel |
| CN112344223A (en) * | 2020-12-08 | 2021-02-09 | 张辉辉 | Heat dissipation type LED lamp with spotlight and astigmatism function |
| CN112594636A (en) * | 2020-12-12 | 2021-04-02 | 刘进进 | Light-gathering underground evacuation indicator lamp |
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| Publication number | Publication date |
|---|---|
| CN113701069B (en) | 2021-12-21 |
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