CN109973898B - LED table lamp capable of adjusting light radiation range - Google Patents

LED table lamp capable of adjusting light radiation range Download PDF

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Publication number
CN109973898B
CN109973898B CN201910185120.6A CN201910185120A CN109973898B CN 109973898 B CN109973898 B CN 109973898B CN 201910185120 A CN201910185120 A CN 201910185120A CN 109973898 B CN109973898 B CN 109973898B
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arc
lamp holder
adjusting
movable frame
led
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CN201910185120.6A
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CN109973898A (en
Inventor
张子武
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Anhui Sunny Electric Group Co Ltd
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Anhui Sunny Electric Group Co Ltd
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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
    • F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames
    • 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
    • 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
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • 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
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/0004—Personal or domestic articles
    • F21V33/0024—Household or table equipment
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The invention discloses an LED table lamp capable of adjusting the light radiation range, which comprises a lamp holder shell and a base, wherein an adjusting switch is fixed on the upper surface of the base close to the side wall of the base, a rotating seat is fixed at the center of the upper surface of the base, and the inside of the rotating seat is rotatably connected with one end of a second supporting rod through a second adjusting knob which penetrates through and is rotatably connected. In the invention, in the process of rotating the handle driving bevel gear, the first movable frame and the second movable frame are driven to move oppositely through the meshing between the first arc-shaped rack and the second arc-shaped rack, and the first arc-shaped conductive strip and the second arc-shaped conductive strip are contacted with the two ends of each group of LED lamp beads, so that the LED lamp beads in the area between the first movable frame and the second movable frame are electrified and lightened, and the light irradiation range is limited under the blocking action of the first light screen and the second light screen and the reflection action of the first plane mirror surface and the second plane mirror surface.

Description

LED table lamp capable of adjusting light radiation range
Technical Field
The invention relates to the technical field of lighting equipment, in particular to an LED table lamp capable of adjusting the light radiation range.
Background
The LED desk lamp has the advantages that the existing LED desk lamp is large in light divergence in the using process, all other areas except the back area of the shell of the LED desk lamp are LED desk lamp irradiation areas, normal rest of non-learning users is influenced very much by the light with the large divergence for the users who learn in dormitories, and the existing LED desk lamp is single in function.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide an LED table lamp capable of adjusting the light radiation range, wherein in the process of screwing a screwing handle to drive a bevel gear to rotate, a first movable frame and a second movable frame are driven to move oppositely through the meshing between a first arc-shaped rack and a second arc-shaped rack, and a first arc-shaped conductive strip and a second arc-shaped conductive strip are contacted with two ends of each group of LED lamp beads, so that the LED lamp beads in the area between the first movable frame and the second movable frame are electrified and lightened, and the light irradiation range is limited under the blocking action of a first light screen and a second light screen and the reflection action of the first plane mirror and the second plane mirror; the lamp holder casing is the spheroid structure, and the top surface embedding of lamp holder casing installs the electronic clock, and the inside embedding of base has energy storage battery, and energy storage battery is connected with external detachable power cord, and electronic clock and the combination of spheroid formula lamp holder casing to supply power for the electronic clock through energy storage power, the function of LED table lamp has been extended to this kind of structure.
The purpose of the invention can be realized by the following technical scheme:
an LED table lamp capable of adjusting the light radiation range comprises a lamp holder shell and a base, wherein an adjusting switch is fixed at a position, close to the side wall of the base, of the upper surface of the base, a rotating seat is fixed at the center position of the upper surface of the base, the inside of the rotating seat is rotatably connected with one end of a second supporting rod through a second adjusting knob which penetrates through and is in screwed connection, the other end of the second supporting rod is rotatably connected with one end of a first supporting rod through a first adjusting knob which penetrates through and is in screwed connection, the first supporting rod is rotatably connected with the lamp holder shell, the lamp holder shell is of a spherical structure, a connecting sliding groove is formed in the bottom of the lamp holder shell corresponding to the connection position of the first supporting rod, and a damping seat which is rotatably connected with the end part of the first supporting rod is arranged inside the;
the electronic clock is embedded in the top surface of the lamp holder shell, a rectangular notch is formed in the side wall of the lamp holder shell, arc-shaped insulating strips are fixed on the top and the bottom of the lamp holder shell, which are located at the position of the rectangular notch, arc-shaped reflecting mirror surfaces are arranged at the position of the lamp holder shell, which corresponds to the rectangular notch, the surfaces of the arc-shaped reflecting mirror surfaces are provided with a plurality of groups of LED lamp beads at equal angles around the axis which is perpendicular to the surface of the electronic clock and passes through the sphere center of the lamp holder shell, wherein each group of LED lamp beads comprises a plurality of LED lamp beads which are arranged at equal intervals and connected in series, the two ends of each group of LED lamp beads are respectively embedded and fixed with the inner surfaces of the arc-shaped insulating strips, shaft levers which penetrate through and extend to the two sides of the lamp holder, the end part of the shaft lever, which is positioned outside the lamp holder shell, is fixedly clamped with a twisting handle;
a second movable frame is connected to one side, located at the rectangular notch, of the lamp holder shell in a sliding mode, the second movable frame comprises a second light shielding plate, a second arc-shaped conducting strip which is attached to the inner surface of an arc-shaped insulating strip located at the lower portion of the rectangular notch in a sliding mode is connected to the corner of the bottom of the outer surface of the second light shielding plate, a second arc-shaped rack which is in meshing transmission with the upper surface of a bevel gear is connected to the side wall of the inner arc surface of the second light shielding plate, and a second flat mirror face;
the lamp holder casing is located the opposite side sliding connection of rectangle breach and has first adjustable shelf, first adjustable shelf includes first light screen, first light screen surface bottom corner is connected with and is located the first arc busbar that rectangle breach upper portion arc insulating strip internal surface slided and pastes, first light screen is connected with the first arc rack with bevel gear lower surface meshing transmission to the internal terminal surface lateral wall, first plane mirror face is installed to the external terminal surface embedding of first light screen.
Further, the method comprises the following steps: the first light shielding plate and the second light shielding plate are mirror symmetry structures, and the central planes of the first light shielding plate and the second light shielding plate pass through the surface of the electronic clock perpendicular to the axis of the sphere center of the lamp holder shell.
Further, the method comprises the following steps: the rotation angles of the first supporting rod around the first adjusting knob and the second supporting rod around the second adjusting knob are 0-180 degrees.
Further, the method comprises the following steps: the rotation angle of the first support rod around the damping seat is 0-60 degrees.
Further, the method comprises the following steps: and the output end of the controller in the regulating switch is respectively connected with the first arc-shaped conductive strip and the second arc-shaped conductive strip through two conducting wires.
Further, the method comprises the following steps: and the first arc conductive strip and the second arc conductive strip are in extrusion contact with wires at two ends of each group of LED lamp beads.
Further, the method comprises the following steps: the energy storage battery is embedded in the base and is connected with an external detachable power line.
Further, the method comprises the following steps: and the connection line of the centers of the first arc-shaped rack, the second arc-shaped rack, the first arc-shaped conductive strip and the second arc-shaped conductive strip is superposed with the axis which is perpendicular to the surface of the electronic clock and passes through the spherical center of the lamp holder shell.
Further, the method comprises the following steps: the specific operation steps of the LED table lamp are as follows:
the method comprises the following steps: the LED table lamp is placed on a working table top to be used, a plug of an external power line is connected with a power supply socket, and the other end of the power line is spliced with the base;
step two: adjusting the electronic clock to correct time, rotating the adjusting switch, and supplying power to the LED lamp beads through the adjusting switch so as to light the LED lamp beads;
step three: the twisting handle is screwed to drive the bevel gear to rotate through the shaft lever, the outer wall of the bevel gear is meshed with the first arc-shaped rack of the first movable frame and the second arc-shaped rack of the second movable frame in the rotating process, so that the first movable frame and the second movable frame are driven to move oppositely, the first arc-shaped conductive strips and the second arc-shaped conductive strips are in contact with two ends of each group of LED lamp beads in the moving process of the first movable frame and the second movable frame, LED lamp beads in the area between the first movable frame and the second movable frame are lightened, and the light irradiation range is limited under the blocking effect of the first light screen and the second light screen and the reflection effect of the first plane mirror surface and the second plane mirror surface;
step four: loosening the first adjusting knob and the second adjusting knob, aligning light rays generated by the lamp holder shell to the designated area through the rotation of the two ends of the first supporting rod and the two ends of the second supporting rod, and then screwing the first adjusting knob and the second adjusting knob to fix the lamp holder shell.
The invention has the beneficial effects that:
1. the lamp holder shell is provided with an arc-shaped reflecting mirror surface, the surface of the arc-shaped reflecting mirror surface is provided with a plurality of groups of LED lamp beads, wherein each group of LED lamp beads comprises a plurality of LED lamp beads which are arranged in series at equal intervals, two ends of each group of LED lamp beads are respectively embedded and fixed with the inner surface of an arc-shaped insulating strip, the central position of the back of the lamp holder shell is movably connected with a shaft lever which penetrates through and extends to two sides of the lamp holder shell, one end of the shaft lever is clamped and fixed with a bevel gear, the other end of the shaft lever is clamped and fixed with a twisting handle, two sides of the lamp holder shell positioned on a rectangular notch are respectively and slidably connected with a first movable frame and a second movable frame, the second light screen of the second movable frame is connected with a second arc-shaped conductive strip which is in sliding and clinging with the inner surface of the arc-shaped insulating strip, the first light screen is connected with a first arc-shaped rack in meshing transmission with the lower surface of the bevel gear, and in the structure, when the twisting handle is twisted to drive the bevel gear to rotate, the first movable frame and the second movable frame are driven to move oppositely through the meshing between the first arc-shaped rack and the second arc-shaped rack, and the first arc-shaped conductive strip and the second arc-shaped conductive strip are in contact with two ends of each group of LED lamp beads, so that the LED lamp beads in the area between the first movable frame and the second movable frame are electrified and lightened, and the light irradiation range is limited under the blocking action of the first light screen and the second light screen and the reflection action of the first plane mirror and the second plane mirror;
2. the lamp holder casing is the spheroid structure, and the top surface embedding of lamp holder casing installs the electronic clock, and the inside embedding of base has energy storage battery, and energy storage battery is connected with external detachable power cord, and electronic clock and the combination of spheroid formula lamp holder casing to supply power for the electronic clock through energy storage power, the function of LED table lamp has been extended to this kind of structure.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a side view of an LED table lamp of the present invention;
FIG. 3 is a front view of the LED table lamp of the present invention;
FIG. 4 is a schematic structural view of a first movable frame according to the present invention;
fig. 5 is a schematic structural view of a second movable frame according to the present invention.
In the figure: 1. an adjustment switch; 2. a rotating seat; 3. a lamp cap housing; 4. a first support bar; 5. a first adjustment knob; 6. a second support bar; 7. a second adjustment knob; 8. a base; 9. an arc-shaped reflecting mirror surface; 10. LED lamp beads; 11. a rectangular notch; 12. an electronic clock; 13. a shaft lever; 14. twisting a handle; 15. connecting the sliding chute; 16. a damping seat; 17. a bevel gear; 18. a first movable frame; 181. a first arc-shaped rack; 182. a first arc-shaped conductive strip; 183. a first light shielding plate; 184. a first plane mirror surface; 19. an arc-shaped insulating strip; 20. a second movable frame; 201. a second arc-shaped conductive strip; 202. a second flat mirror surface; 203. a second light shielding plate; 204. and a second arc-shaped rack.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.
Referring to fig. 1-5, an LED desk lamp capable of adjusting a light radiation range includes a lamp cap housing 3 and a base 8, an adjusting switch 1 is fixed on a position of an upper surface of the base 8 adjacent to a side wall of the base 8, a rotating base 2 is fixed at a center position of the upper surface of the base 8, an inner portion of the rotating base 2 is rotatably connected with one end of a second support rod 6 through a second adjusting knob 7 penetrating and screwed, another end of the second support rod 6 is rotatably connected with one end of a first support rod 4 through a first adjusting knob 5 penetrating and screwed, the first support rod 4 is rotatably connected with the lamp cap housing 3, the lamp cap housing 3 is in a sphere structure, a connecting chute 15 is formed at a position of a bottom of the lamp cap housing 3 corresponding to a connection of the first support rod 4, and a damping base 16 rotatably connected with an end of the first support rod 4 is arranged in the lamp cap housing 3;
an electronic clock 12 is embedded in the top surface of the lamp holder shell 3, a rectangular notch 11 is formed in the side wall of the lamp holder shell 3, arc-shaped insulating strips 19 are fixed on the top and the bottom of the lamp holder shell 3 at the position of the rectangular notch 11, an arc-shaped reflecting mirror surface 9 is arranged at the position of the lamp holder shell 3 corresponding to the rectangular notch 11, a plurality of groups of LED lamp beads 10 are arranged on the surface of the arc-shaped reflecting mirror surface 9 at equal angles around the axis which is perpendicular to the surface of the electronic clock 12 and passes through the sphere center of the lamp holder shell 3, wherein each group of LED lamp beads 10 comprises a plurality of LED lamp beads 10 which are arranged in series at equal intervals, two ends of each group of LED lamp beads 10 are respectively embedded and fixed with the inner surface of the arc-shaped insulating strips 19, a shaft lever 13 which penetrates through and extends to two sides of the lamp holder shell 3 is movably connected at the center, the end part of the shaft lever 13 outside the lamp holder shell 3 is fixedly clamped with a screwing handle 14;
a second movable frame 20 is connected to one side, located at the rectangular notch 11, of the lamp holder housing 3 in a sliding manner, the second movable frame 20 comprises a second light shielding plate 203, a second arc-shaped conducting bar 201 which is attached to the inner surface of an arc-shaped insulating bar 19 located at the lower portion of the rectangular notch 11 in a sliding manner is connected to a corner of the bottom of the outer surface of the second light shielding plate 203, a second arc-shaped rack 204 which is in meshing transmission with the upper surface of the bevel gear 17 is connected to the side wall of the inner arc surface of the second light shielding plate 203, and a second flat;
the other side sliding connection that lamp holder casing 3 is located rectangle breach 11 has first adjustable shelf 18, and first adjustable shelf 18 includes first light screen 183, and first light screen 183 surface bottom corner is connected with and is located the first arc conducting strip 182 that rectangle breach 11 upper portion arc insulating strip 19 internal surface slides and pastes, and first light screen 183 is connected with the first arc rack 181 with bevel gear 17 lower surface meshing transmission to the internal terminal surface lateral wall, and first plane mirror face 184 is installed to the embedding of outer terminal surface to first light screen 183.
The first light screen 183 and the second light screen 203 are mirror symmetry structures, the central planes of the first light screen 183 and the second light screen 203 pass through the surface of the electronic clock 12 and pass through the axis of the sphere center of the lamp holder shell 3, the rotation angles of the first support rod 4 around the first adjusting knob 5 and the second support rod 6 around the second adjusting knob 7 are 0-180 degrees, the rotation angle of the first support rod 4 around the damping seat 16 is 0-60 degrees, the output end of the internal controller of the adjusting switch 1 is respectively connected with the first arc-shaped conductive strip 182 and the second arc-shaped conductive strip 201 through two leads, the first arc-shaped conductive strip 182 and the second arc-shaped conductive strip 201 are in extrusion contact with the leads at the two ends of each group of LED lamp beads 10, an energy storage battery is embedded in the base 8 and is connected with an external detachable power line, and the first arc-shaped rack 181, the second arc-shaped rack, The connection line of the centers of the first arc-shaped conducting strip 182 and the second arc-shaped conducting strip 201 coincides with the axis which is perpendicular to the surface of the electronic clock 12 and passes through the center of the lamp holder housing 3.
The specific operation steps of the LED table lamp are as follows:
the method comprises the following steps: the LED table lamp is placed on a working table top to be used, a plug of an external power line is connected with a power supply socket, and the other end of the power line is spliced with the base 8;
step two: adjusting the electronic clock 12 to correct time, rotating the adjusting switch 1, and supplying power to the LED lamp beads 10 through the adjusting switch 1, so that the LED lamp beads 10 are lightened;
step three: screwing the screwing handle 14 to drive the bevel gear 17 to rotate through the shaft lever 13, wherein the outer wall of the bevel gear 17 is meshed with the first arc-shaped rack 181 of the first movable frame 18 and the second arc-shaped rack 204 of the second movable frame 20 in the rotating process so as to drive the first movable frame 18 and the second movable frame 20 to move oppositely, the first arc-shaped conductive strip 182 and the second arc-shaped conductive strip 201 are contacted with two ends of each group of LED lamp beads 10 in the moving process of the first movable frame 18 and the second movable frame 20, so that the LED lamp beads 10 in the area between the first movable frame 18 and the second movable frame 20 are only lightened, and the light irradiation range is limited under the blocking action of the first shading plate 183 and the second shading plate 203 and the reflection action of the first plane mirror surface 184 and the second plane mirror surface 202;
step four: the first adjusting knob 5 and the second adjusting knob 7 are loosened, the light generated by the lamp head shell 3 is aligned to the designated area through the rotation of the two ends of the first supporting rod 4 and the two ends of the second supporting rod 6, and then the first adjusting knob 5 and the second adjusting knob 7 are screwed to be fixed.
The invention has the beneficial effects that:
1. the lamp holder shell 3 is provided with an arc-shaped reflecting mirror surface 9, the surface of the arc-shaped reflecting mirror surface 9 is provided with a plurality of groups of LED lamp beads 10, wherein each group of LED lamp beads 10 comprises a plurality of LED lamp beads 10 which are arranged in series at equal intervals, two ends of each group of LED lamp beads 10 are respectively embedded and fixed with an arc-shaped insulating strip 19, a shaft lever 13 which penetrates through and extends to two sides of the lamp holder shell 3 is movably connected at the central position of the back of the lamp holder shell 3, one end of the shaft lever 13 is fixedly clamped with a bevel gear 17, the other end of the shaft lever is fixedly clamped with a twisting handle 14, two sides of the lamp holder shell 3 at a rectangular notch 11 are respectively connected with a first movable frame 18 and a second movable frame 20 in a sliding manner, a second arc-shaped conducting bar 201 which is in sliding manner to the inner surface of the arc-shaped insulating strip 19 is, the first light screen 183 of the first movable frame 18 is connected with a first arc conductive strip 182 which is in sliding contact with the inner surface of the arc insulating strip 19 positioned on the upper part of the rectangular notch 11, the first light screen 183 is connected with a first arc rack 181 which is in meshing transmission with the lower surface of the bevel gear 17, in the process that the twist handle 14 is screwed to drive the bevel gear 17 to rotate, the first movable frame 18 and the second movable frame 20 are driven to move oppositely through the meshing between the first arc rack 181 and the second arc rack 204, and the first arc conductive strip 182 and the second arc conductive strip 201 are in contact with two ends of each group of LED lamp beads 10, so that the LED lamp beads 10 only in the area between the first movable frame 18 and the second movable frame 20 are electrified and lightened, under the blocking action of the first light screen 183 and the second light screen 203, and the reflection action of the first plane mirror 184 and the second plane 202, limiting the light irradiation range;
2. the lamp holder casing 3 is the spheroid structure, and electronic clock 12 is installed in the top surface embedding of lamp holder casing 3, and the inside embedding of base 8 has energy storage battery, and energy storage battery is connected with external detachable power cord, and electronic clock 12 makes up with spheroid type lamp holder casing 3 to supply power for electronic clock 12 through energy storage power, the function of LED desk lamp has been extended to this kind of structure.
The working principle is as follows: when the LED table lamp is used, the LED table lamp is placed on a working table top to be used, a plug of an external power line is connected with a power supply socket, the other end of the power line is plugged with the base 8, then the electronic clock 12 is adjusted to the right time, the adjusting switch 1 is rotated, the LED lamp beads 10 are supplied with power through the adjusting switch 1, so that the LED lamp beads 10 are lightened, then the screw handle 14 is screwed and driven to rotate through the shaft rod 13 to drive the bevel gear 17, in the rotating process of the bevel gear 17, the outer wall of the bevel gear is meshed with the first arc-shaped rack 181 of the first movable frame 18 and the second arc-shaped rack 204 of the second movable frame 20, so that the first movable frame 18 and the second movable frame 20 are driven to move oppositely, in the moving process of the first movable frame 18 and the second movable frame 20, the first arc-shaped conductive strip 182 and the second arc-shaped conductive strip 201 are contacted with two ends of each group of LED lamp beads 10, so that only the LED lamp beads 10 in the area between the first movable, under the blocking action of the first shading plate 183 and the second shading plate 203 and the reflection action of the first plane mirror 184 and the second plane mirror 202, the light irradiation range is limited, then the first adjusting knob 5 and the second adjusting knob 7 are loosened, the light generated by the lamp holder shell 3 is aligned to a designated area through the rotation of the two ends of the first supporting rod 4 and the two ends of the second supporting rod 6, and then the first adjusting knob 5 and the second adjusting knob 7 are screwed to fix the light.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.

Claims (9)

1. The LED table lamp capable of adjusting the light radiation range is characterized by comprising a lamp holder shell (3) and a base (8), wherein an adjusting switch (1) is fixed at the position of the side wall of the upper surface close to the base (8) of the base (8), a rotating seat (2) is fixed at the position of the center of the upper surface of the base (8), the inside of the rotating seat (2) is rotatably connected with one end of a second supporting rod (6) through a second adjusting knob (7) which penetrates through and is connected in a screwing manner, the other end of the second supporting rod (6) is rotatably connected with one end of a first supporting rod (4) through a first adjusting knob (5) which penetrates through and is connected in a screwing manner, the first supporting rod (4) is rotatably connected with the lamp holder shell (3), the lamp holder shell (3) is of a spherical structure, a connecting chute (15) is formed in the bottom of the lamp holder shell (3) corresponding to the joint of the first supporting rod (4), a damping seat (16) rotatably connected with the end part of the first supporting rod (4) is arranged in the lamp cap shell (3);
electronic clock (12) are installed in the top surface embedding of lamp holder casing (3), rectangle breach (11) are seted up to the lateral wall of lamp holder casing (3), lamp holder casing (3) are located the top and the bottom of rectangle breach (11) position and all are fixed with arc insulating strip (19), the position department that corresponds rectangle breach (11) of lamp holder casing (3) is provided with arc reflector surface (9), the surface of arc reflector surface (9) is around perpendicular to electronic clock (12) surface and through axis isogonism of lamp holder casing (3) centre of sphere is provided with multiunit LED lamp pearl (10), wherein, every group LED lamp pearl (10) set up series connection's LED lamp pearl (10) including a plurality of equidistance to the both ends of every group LED lamp pearl (10) are fixed with arc insulating strip (19) internal surface embedding respectively, lamp holder casing (3) have for opposite side outer wall central point swing joint of rectangle breach (11) to run through and extend to lamp holder casing (10) to run through (3) The lamp holder comprises shaft levers (13) on two sides, bevel gears (17) are clamped and fixed at the end parts of the shaft levers (13) positioned in the lamp holder shell (3), and twisting handles (14) are clamped and fixed at the end parts of the shaft levers (13) positioned outside the lamp holder shell (3);
a second movable frame (20) is connected to one side, located at the rectangular notch (11), of the lamp holder shell (3) in a sliding mode, the second movable frame (20) comprises a second light shielding plate (203), a second arc-shaped conductive strip (201) which is attached to the inner surface of an arc-shaped insulating strip (19) located at the lower portion of the rectangular notch (11) in a sliding mode is connected to the corner of the bottom of the outer surface of the second light shielding plate (203), a second arc-shaped rack (204) which is in meshing transmission with the upper surface of a bevel gear (17) is connected to the side wall of the inner arc surface of the second light shielding plate (203), and a second flat mirror surface (202) is installed;
the lamp holder casing (3) are located the opposite side sliding connection of rectangle breach (11) and have first adjustable shelf (18), first adjustable shelf (18) include first light screen (183), first light screen (183) surface bottom corner be connected with be located rectangle breach (11) upper portion arc insulating strip (19) internal surface slide first arc conducting strip (182) that lean on, first light screen (183) are connected with first arc rack (181) with bevel gear (17) lower surface meshing transmission to the interior terminal surface lateral wall, first flat mirror face (184) are installed to the external terminal surface embedding in first light screen (183).
2. The LED desk lamp capable of adjusting the light radiation range as claimed in claim 1, wherein the first light shielding plate (183) and the second light shielding plate (203) are mirror symmetric structures, and the central planes of the first light shielding plate (183) and the second light shielding plate (203) pass through the axis perpendicular to the surface of the electronic clock (12) and passing through the spherical center of the lamp holder housing (3).
3. The LED desk lamp capable of adjusting the light radiation range according to claim 1, wherein the rotation angles of the first support rod (4) around the first adjusting knob (5) and the second support rod (6) around the second adjusting knob (7) are both 0-180 °.
4. The LED desk lamp capable of adjusting the light radiation range according to claim 1, wherein the rotation angle of the first support rod (4) around the damping seat (16) is 0-60 °.
5. The LED desk lamp capable of adjusting the light radiation range as claimed in claim 1, wherein the output end of the controller inside the adjusting switch (1) is connected to the first arc-shaped conductive strip (182) and the second arc-shaped conductive strip (201) through two wires.
6. The LED desk lamp capable of adjusting the light radiation range as claimed in claim 1, wherein the first arc-shaped conductive strip (182) and the second arc-shaped conductive strip (201) are in pressing contact with the wires at the two ends of each group of LED lamp beads (10).
7. The LED table lamp capable of adjusting the light radiation range according to claim 1, wherein an energy storage battery is embedded in the base (8), and the energy storage battery is connected with an external detachable power line.
8. The LED desk lamp capable of adjusting the light radiation range as claimed in claim 1, wherein the connection line of the centers of the first arc-shaped rack (181), the second arc-shaped rack (204), the first arc-shaped conductive strip (182) and the second arc-shaped conductive strip (201) coincides with the axis which is perpendicular to the surface of the electronic clock (12) and passes through the center of the sphere of the lamp holder housing (3).
9. The LED desk lamp capable of adjusting the light radiation range as claimed in claim 1, wherein the LED desk lamp comprises the following steps:
the method comprises the following steps: the LED table lamp is placed on a working table top to be used, a plug of an external power line is connected with a power supply socket, and the other end of the power line is spliced with a base (8);
step two: adjusting the electronic clock (12) to correct time, rotating the adjusting switch (1), and supplying power to the LED lamp beads (10) through the adjusting switch (1), so as to light the LED lamp beads (10);
step three: the twisting handle (14) is screwed to drive the bevel gear (17) to rotate through the shaft lever (13), the outer wall of the bevel gear (17) is meshed with the first arc-shaped rack (181) of the first movable frame (18) and the second arc-shaped rack (204) of the second movable frame (20) in the rotating process, so that the first movable frame (18) and the second movable frame (20) are driven to move oppositely, the first arc-shaped conductive strip (182) and the second arc-shaped conductive strip (201) are in contact with two ends of each group of LED lamp beads (10) in the moving process of the first movable frame (18) and the second movable frame (20), so that the LED lamp beads (10) in the area between the first movable frame (18) and the second movable frame (20) are only lightened, under the blocking effect of the first light shielding plate (183) and the second light shielding plate (203) and the reflecting effect of the first plane mirror surface (184) and the second plane mirror surface (202), limiting the light irradiation range;
step four: loosening the first adjusting knob (5) and the second adjusting knob (7), aligning light generated by the lamp holder shell (3) to a designated area through rotation of two ends of the first supporting rod (4) and two ends of the second supporting rod (6), and then screwing the first adjusting knob (5) and the second adjusting knob (7) to fix the lamp holder shell.
CN201910185120.6A 2019-03-12 2019-03-12 LED table lamp capable of adjusting light radiation range Active CN109973898B (en)

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Publication number Priority date Publication date Assignee Title
JP2001084808A (en) * 1999-09-13 2001-03-30 Taisei Wakatsuki Stand type multi-color changeable indoor luminaire
CN203099490U (en) * 2012-12-29 2013-07-31 王子婧 Practical table lamp
CN203375285U (en) * 2013-08-15 2014-01-01 山东佛光照明科技有限公司 All-directional rotation LED projection lamp
CN205244935U (en) * 2015-12-17 2016-05-18 李国璋 Desk lamp
CN105570750A (en) * 2016-01-04 2016-05-11 东南大学 Table lamp with illumination range capable of being adjusted and controlled
CN108443749A (en) * 2018-02-09 2018-08-24 海宁市顺安照明电器有限公司 It is a kind of that there is the LED desk lamp for adjusting illumination zone function
CN108916695B (en) * 2018-06-28 2021-04-09 芜湖捷创科技信息咨询有限公司 Illumination device with photo frame function and adjustable illumination range

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