CN215259343U - Brightness-adjustable magnetic suspension table lamp - Google Patents

Abstract

The utility model relates to a luminance adjustable magnetic suspension desk lamp, the on-line screen storage device comprises a base, fix the support on the base, install the magnetic suspension base on the support, be located the magnetic suspension lighting assembly of magnetic suspension base below, inside magnetic suspension core and the wireless transmission emission subassembly of being equipped with of magnetic suspension base, the magnetic suspension lighting assembly is including the magnet base that is equipped with circuit board and magnet, magnet base below is connected with light-emitting component, magnet base top is equipped with the coil fixing base that can reciprocate for the magnet base, install the wireless transmission receiving assembly on the coil fixing base, the output and the circuit board electricity of wireless transmission receiving assembly are connected. The utility model discloses a wireless mode changes bulb power size, adjusts the coil fixing base that is equipped with wireless transmission receiving assembly promptly and changes the interval of transmission and receiving terminal with the distance of magnet base, realizes the regulation of output current size from this, and this kind of regulative mode can not change the electric current size of input wireless subassembly, and the structure is succinct more and pleasing to the eye.

Description

Brightness-adjustable magnetic suspension table lamp

Technical Field

The utility model relates to a desk lamp, concretely relates to luminance adjustable magnetic suspension desk lamp.

Background

The magnetic suspension technology and the lighting technology are perfectly combined to generate a magnetic suspension lamp, a bulb can be lightened without being in physical contact with a power supply, and the bulb is in a suspension state, so that the visual enjoyment of super shock is brought to people. To magnetic suspension desk lamp (like application number 201720962549.8 utility model patent), mainly including arranging the magnetic suspension base of setting for the position in and being located the bulb of magnetic suspension base below, magnetic suspension base inside is provided with magnetic suspension core and wireless transmission emission subassembly, and the bulb embeds have with magnetic suspension core matched with suspension magnet and with wireless transmission emission subassembly matched with wireless transmission receiving assembly. Because the distance between the base of most magnetic suspension table lamps developed in the early stage and the lamp holder of the bulb is fixed, the efficiency of transmitting the power of the bulb to the wireless transmission receiving assembly is certain, the power of the bulb cannot be adjusted through changing the distance between the base and the lamp holder of the bulb, and the use is limited to a certain extent.

In order to solve the problem of adjustable brightness of the magnetic suspension table lamp, some designers improve the structure of the initial magnetic suspension table lamp: utility model patent like publication No. CN210219407U discloses a magnetic suspension marble desk lamp structure, it comes the height of adjustment lamp through setting up the pivot on the lamp pole, realizes the regulation to luminance through the physics mode of regulation, does not relate to the change to bulb power. In addition, the invention patent with publication number CN109163239B discloses a magnetic suspension table lamp with adjustable indoor decoration height, the technology disclosed in the patent adjusts the brightness by changing the power of the lamp, but the adjusting mode adopts a wired mode, namely: through external power supply, the socket mouth, coupling coil, the stand conducting strip, draw the electrically conductive mechanism in fluid (drainage needle) and the bulb to be connected, its essence is that the current size that changes input to bulb and coupling coil carries out the regulation of bulb luminance and the balance of height through changing resistance damping, consequently this kind of desk lamp need set up the stand conducting strip on the magnetic suspension tray (set up the resistance of different resistance sizes in the conducting strip), set up on the magnetic suspension bears the dish and draw fluid (drainage needle), realize the change of current size through connecting between the two. This method requires the arrangement of columns and fluid introduction, and the structural design is relatively complex.

In addition, the lamp holder and the lamp cap of the existing magnetic suspension table lamp are of an integrated structure, and the lamp needs to be integrally removed and replaced when the bulb is replaced, so that the maintenance cost is high. Furthermore, the existing magnetic suspension table lamp usually has only one light source, and the power of the light source is small, so that the existing magnetic suspension table lamp is not suitable for main lighting and is only suitable for auxiliary lighting. In view of various defects of the existing magnetic suspension table lamp, the inventor perfects the technical scheme one by one and effectively makes up the defects, and the scheme is developed accordingly.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a luminance adjustable magnetic suspension desk lamp adopts the size of wireless mode adjustment bulb power to reach luminance adjustable purpose, specifically adopts following technical scheme to realize:

a magnetic suspension desk lamp with adjustable brightness comprises a base, a support fixed on the base, a magnetic suspension base installed on the support, and a magnetic suspension illuminating assembly located below the magnetic suspension base, wherein a magnetic suspension machine core and a wireless transmission emitting assembly are arranged inside the magnetic suspension base; the top of the magnet base is provided with a coil fixing seat which can move up and down relative to the magnet base, a wireless transmission receiving assembly is installed on the coil fixing seat, and the output end of the wireless transmission receiving assembly is electrically connected with the circuit board.

Further, the coil fixing seat is connected with the magnet base through a slot matching buckle structure.

Further, the magnet base is of a cylindrical structure, the interior of the cylindrical structure is divided into an upper cavity and a lower cavity through a middle interlayer plate, a threading hole is formed in the middle interlayer plate, the circuit board and the magnet are arranged in the upper cavity, a vertical slot and a clamping groove located on one side of the slot are formed in the inner wall of the upper cavity, one end of the clamping groove is connected with the inner wall of the upper cavity into a whole, the other end of the clamping groove is suspended, the suspended end is separated from the inner wall of the upper cavity, and one side, close to the suspended end of the clamping groove, of the slot is expanded towards the clamping groove to form an insertion space; the coil fixing seat is of a cylindrical structure with an opening at the bottom and a closed top, the coil is fixed on the inner top surface of the coil fixing seat, a clamping block is arranged on the side wall of the lower portion of the coil fixing seat, and the clamping block can be inserted along the slot and is screwed into the hanging end of the clamping groove along the insertion space for limiting.

Further, the wall thickness of the upper part of the slot is smaller than that of the lower part of the slot.

Furthermore, a gap is reserved between the two sides of the clamping block and the side wall of the coil fixing seat.

Furthermore, a groove is formed in the top of the clamping block, and a protruding portion corresponding to the groove is arranged on the bottom face of the suspended end of the clamping groove.

Further, light emitting component includes lamp holder fixing base and bulb, and the lamp holder fixing base is installed in magnet base bottom, is equipped with conductive element on the lamp holder fixing base, conductive element connecting wire, and the wire is connected with the circuit board electricity, and the lamp bulb top lead electrical pillar with the demountable installation on the lamp holder fixing base, and lead the electrical contact of electrical pillar and the conductive element on the lamp holder fixing base.

Further, the lamp holder fixing seat is of a cylindrical structure with a bottom surface, a lamp holder mounting hole is formed in the bottom surface of the lamp holder fixing seat and is of a key-shaped structure with gradually changed width, and the conducting column of the bulb is fixed and limited after being inserted into one end with the large width of the lamp holder mounting hole and then rotated to one end with the small width.

Furthermore, a metal sheet conductive element is arranged on one side of the lamp holder mounting hole, a spring is arranged between the metal sheet conductive element and the inner wall of the lamp holder fixing seat, and the spring is pressed to press the metal sheet conductive element to the conductive column inserted into the lamp holder mounting hole so that the metal sheet conductive element and the conductive column are contacted.

Furthermore, the top of the bracket is also provided with a main lighting assembly with the power larger than that of the suspension lighting assembly.

Furthermore, the outer wall of the coil fixing seat above the clamping block is provided with an inner concave handheld part.

Further, still be equipped with the magnet fixing base between coil fixing base and the magnet base, the magnet is covered inside with the magnet fixing base, and the magnet fixing base is fixed on the intermediate compartment board of magnet base.

The utility model discloses a magnetic suspension desk lamp changes bulb power size through wireless mode, through changing the interval between wireless subassembly of input and the wireless subassembly of output two, the big output current of interval is little promptly, and the little output current of interval is big, realizes the regulation of electric current size from this. The adjusting mode can not change the current input into the wireless component, only can change the current output to the wireless component, and is simpler and more attractive in structural design.

Drawings

FIG. 1 is a schematic diagram of an external structure of a magnetic suspension table lamp with a main light source and an auxiliary light source in an embodiment;

FIG. 2 is an exploded view of the desk lamp of FIG. 1;

FIG. 3 is a cross-sectional view of a suspended lighting assembly in an embodiment of a magnetic suspension table lamp;

FIG. 4 is a schematic structural diagram of a coil fixing seat in a magnetic suspension lighting assembly;

FIG. 5 is a schematic diagram of a top structure of a magnet base in a magnetic levitation illumination assembly;

FIG. 6 is a schematic diagram of the bottom structure of a magnet base in a magnetic suspension lighting assembly;

FIG. 7 is a diagram showing the state where the circuit board is mounted in the upper chamber of the magnet base;

FIG. 8 is a view showing a state in which a magnet fixing ring is mounted in a cavity of a magnet base;

FIG. 9 is a schematic top view of the holder;

fig. 10 is a schematic view of the bottom of the lamp holder fixing base installed in the lower cavity of the magnet base.

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.

The embodiment discloses a luminance adjustable magnetic suspension desk lamp, thereby this desk lamp not only can reach the purpose of adjusting luminance through the output current size of wireless mode adjustment lamp, still has the bulb quick detachable and be convenient for change and have main, assist light source's characteristics, for making the show structure more succinct, the attached drawing that the embodiment provided shows with possessing above-mentioned three advantage simultaneously as the example. As shown in fig. 1 to 10, as a magnetic suspension table lamp, the table lamp structure in the present embodiment also includes the essential parts of most existing magnetic suspension table lamps, namely: a base 1 as shown in fig. 1 and fig. 2, a bracket 2 which is L-shaped and fixed on the base 1 at the bottom, a magnetic suspension base 5 installed on the horizontal end of the top of the bracket 2, and a magnetic suspension lighting assembly located under the magnetic suspension base 5. Usually, the inside magnetic suspension core and the wireless transmission emission subassembly that are equipped with of magnetic suspension base 5, and be equipped with magnet, light-emitting component and wireless transmission receiving component in the magnetic suspension illumination subassembly, the principle about magnetic suspension has been the known technique, and not too much the expansion introduction here, only explains to the following improvement point structure of the utility model.

The utility model discloses an at first purpose is exactly through the output of wireless mode adjustment lamp to realize the adjustting of the lighteness of lamp. Therefore, the improved structure corresponding to the purpose is mainly focused on the magnetic suspension lighting assembly part. The magnetic suspension lighting assembly comprises a magnet base 11 provided with a circuit board 10 and a magnet 9, and the lower part of the magnet base 11 is connected with the light-emitting assembly. The top of the magnet base 11 is provided with a coil fixing seat 6 which can move up and down relative to the magnet base 11, and the coil fixing seat 6 is provided with a wireless transmission receiving component, wherein the wireless transmission receiving component in the embodiment is a coil 7, and the output end of the wireless transmission receiving component is electrically connected with the circuit board 10. The utility model discloses a through the distance between adjustment coil fixing base 6 for magnetic suspension base 5, change the distance between wireless transmission emission subassembly and the wireless transmission receiving assembly to can change output current's size.

There are various structures capable of moving the coil fixing base 6 up and down relative to the magnet base 11, as long as any structure capable of adjusting the up-down distance between the two and fixing the position after adjustment can be implemented. Coil fixing base 6 in this embodiment adopts vertical slot to realize reciprocating with magnet base 11, cooperates the relative fixed connection of buckle structure realization position simultaneously. The concrete structure is as follows: the magnet base 11 is a cylindrical structure, the inside of the cylindrical structure is divided into an upper chamber and a lower chamber through a middle division plate, a threading hole 114 is formed in the middle of the middle division plate, and a circuit board mounting hole 115, a magnet fixing ring threaded hole column 111, a lamp holder fixing seat mounting hole 112 and a circuit board positioning point 113 are arranged around the threading hole 114. The circuit board 10 is fixed on the circuit board mounting hole 115 of the upper cavity through the self-tapping screw 12, then the magnet 9 is mounted on the top of the circuit board 10, the magnet fixing ring 8 is covered on the magnet 9 to avoid the displacement of the magnet 9, and the bottom edge of the magnet fixing ring 8 is fixed on the magnet fixing ring screw hole column 111 through the self-tapping screw.

In order to realize the connection between the coil fixing seat 6 and the magnet base 11, a plurality of vertical slots 116 and a slot 117 located on one side of each slot 116 are arranged on the inner wall of the upper cavity of the magnet base 11 at intervals, wherein one end of the slot 117 is connected with the inner wall of the upper cavity into a whole, the other end of the slot 117 is in a suspended state, the suspended end is separated from the inner wall of the upper cavity to form a gap, and one side of the slot 116 close to the suspended end of the slot 117 is expanded towards the slot 117 to form an insertion space. The coil fixing seat 6 is also of a cylindrical structure, the bottom of the coil fixing seat 6 is open, the top of the coil fixing seat 6 is closed, the coil 7 is fixed on the inner top surface of the coil fixing seat 6, a plurality of clamping blocks 603 are arranged on the side wall of the lower portion of the coil fixing seat 6 at intervals, and the clamping blocks 603 can be vertically inserted along the insertion grooves 116 and are screwed into the free ends of the clamping grooves 117 along the insertion space for limiting. When the coil fixing seat 6 is installed, the coil fixing seat is reversely buckled inside the magnet base, and in order to facilitate the insertion of the clamping block 603, the wall thickness of the upper part of the slot 116 is smaller than that of the lower part of the slot 116. And a certain gap 602 is left between the two sides of the fixture block 603 and the side wall of the coil fixing seat 6, so that the fixture block 603 has elasticity and is convenient to insert. Further, in order to prevent the clamping block 603 screwed into the free end of the clamping groove 117 from being easily separated, a groove 604 may be formed in the top of the clamping block 603, and a protrusion (not shown) corresponding to the groove 604 is formed on the bottom surface of the free end of the clamping groove 117, so that the protrusion is inserted into the groove 604 for limiting after the clamping block 603 is screwed into the clamping groove 117. In order to facilitate the manual operation of moving the coil fixing base 6 up and down and rotating it, an inner concave hand-held portion 601 is further provided on the upper outer wall of each latch 603. When the brightness needs to be adjusted, the coil fixing seat 6 can be held by a hand to rotate so that the fixture block 603 is separated from the clamping groove 117, then the coil fixing seat 6 is moved upwards or downwards, if the lamp is required to be lightened, the lamp is moved upwards, and after the lamp is moved to a required position, the coil fixing seat 6 is rotated to rotate again so that the fixture block 603 is screwed into the clamping groove 117 for limiting and fixing; if the lamp is to be dimmed, the opposite is true by moving downwards.

After having solved the wireless adjustable of magnetic suspension desk lamp luminance, still considered the facility that the bulb was changed and reduce cost's needs, the utility model discloses still improve the light-emitting component's among the suspension lighting assembly structure, adopted detachable construction with bulb 4 among the light-emitting component and lamp holder fixing base 15 to be connected, specifically as follows: the lamp holder fixing seat 15 is a cylindrical structure with a bottom surface, the bottom surface of the lamp holder fixing seat 15 is provided with a screw hole 151 and a lamp holder mounting hole 152, wherein the lamp holder mounting hole 152 is a key-shaped structure with gradually changing width (namely, one end is large in aperture and the other end is small in aperture), one side of the lamp holder mounting hole 152 is provided with a metal sheet-shaped conductive element 13 (such as a copper sheet), the metal sheet-shaped conductive element 13 is connected with a lead 16, the other end of the lead 16 is electrically connected with the circuit board 10, a spring 14 is arranged between the metal sheet-shaped conductive element 13 and the inner wall of the lamp holder fixing seat 15, and the lamp holder fixing seat 15 is fixed in a lower cavity of the magnet base 11 by screws. Bulb 4 includes inside seal wire 18 and the LED lamp strip 20 of outside cell-shell 19, and the lamp holder at 19 tops of cell-shell adopts the GU lamp holder, leads electrical pillar 17 on the GU lamp holder and passes the big aperture diameter end of lamp holder mounting hole 152, then rotates to the aperture diameter end and to spacing fixed, can realize from this that the lamp holder is connected with dismantling of lamp holder fixing base 15. After the lamp cap is installed in place, the conductive post 17 is just in contact with the metal sheet conductive element 13 to realize electrical connection, and under the action of the compression deformation elastic force of the spring 14, the metal sheet conductive element 13 is pressed towards the conductive post 17 to enable the two to be in close contact.

Considering that the existing magnetic suspension technology can only realize illumination with small power, the power of a bulb in a suspension illumination assembly is generally small and is only suitable for auxiliary illumination, in order to further widen the application environment of the magnetic suspension table lamp, in this embodiment, a main illumination assembly 3 with power larger than that of the suspension illumination assembly is additionally arranged on the horizontal section at the top of the bracket 1, the main illumination assembly 3 comprises a main illumination base 301, an aluminum substrate 302 and a diffusion cover 303, and the main illumination assembly 3 adopts an independent control structure, so that the main and auxiliary light sources can be flexibly selected for illumination according to the needs of a user.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a luminance adjustable magnetic suspension desk lamp, includes the base, fixes the support on the base, installs the magnetic suspension base on the support, is located the magnetic suspension lighting assembly of magnetic suspension base below, and magnetic suspension base inside is equipped with magnetic suspension core and wireless transmission emission subassembly, and magnetic suspension lighting assembly is connected its characterized in that with light-emitting component including the magnet base that is equipped with circuit board and magnet, magnet base below: the top of the magnet base is provided with a coil fixing seat which can move up and down relative to the magnet base, a wireless transmission receiving assembly is installed on the coil fixing seat, the output end of the wireless transmission receiving assembly is electrically connected with the circuit board, and the top of the support is also provided with a main illuminating assembly of which the power is greater than that of the suspension illuminating assembly.

2. The magnetic suspension desk lamp with adjustable brightness according to claim 1, wherein: the coil fixing seat is connected with the magnet base through a slot matching buckle structure.

3. The magnetic suspension desk lamp with adjustable brightness according to claim 2, wherein: the magnet base is of a cylindrical structure, the interior of the cylindrical structure is divided into an upper cavity and a lower cavity through a middle interlayer plate, a threading hole is formed in the middle interlayer plate, the circuit board and the magnet are arranged in the upper cavity, a vertical slot and a clamping groove located on one side of the slot are formed in the inner wall of the upper cavity, one end of the clamping groove is connected with the inner wall of the upper cavity into a whole, the other end of the clamping groove is suspended in the air, the suspended end is separated from the inner wall of the upper cavity, and one side, close to the suspended end of the clamping groove, of the slot is expanded towards the clamping groove to form an insertion space; the coil fixing seat is of a cylindrical structure with an opening at the bottom and a closed top, the coil is fixed on the inner top surface of the coil fixing seat, a clamping block is arranged on the side wall of the lower portion of the coil fixing seat, and the clamping block can be inserted along the slot and is screwed into the hanging end of the clamping groove along the insertion space for limiting.

4. The magnetic suspension desk lamp with adjustable brightness according to claim 3, wherein: the wall thickness of the upper part of the slot is smaller than that of the lower part of the slot.

5. The magnetic suspension desk lamp with adjustable brightness according to claim 3, wherein: and gaps are reserved between the two sides of the clamping block and the side walls of the coil fixing seat.

6. The magnetic suspension desk lamp with adjustable brightness according to claim 3, wherein: the top of the clamping block is provided with a groove, and the bottom surface of the suspended end of the clamping groove is provided with a protruding part corresponding to the groove.

7. The magnetic suspension desk lamp with adjustable brightness according to claim 1, wherein: the light-emitting component comprises a lamp holder fixing seat and a bulb, the lamp holder fixing seat is installed at the bottom of the magnet base, a conductive element is arranged on the lamp holder fixing seat and connected with a conducting wire, the conducting wire is electrically connected with the circuit board, a conducting column at the top of the bulb is installed on the lamp holder fixing seat in a detachable mode, and the conducting column is in contact with the conductive element on the lamp holder fixing seat.

8. The magnetic suspension desk lamp with adjustable brightness of claim 7 is characterized in that: the lamp holder fixing seat is of a cylindrical structure with a bottom surface, a lamp holder mounting hole is formed in the bottom surface of the lamp holder fixing seat and is of a key-shaped structure with gradually changed width, and the conducting column of the bulb is fixed and limited after being inserted into the wide end of the lamp holder mounting hole and then rotated to the narrow end.

9. The magnetic suspension desk lamp with adjustable brightness according to claim 8, wherein: and a metal sheet conductive element is arranged on one side of the lamp holder mounting hole, a spring is arranged between the metal sheet conductive element and the inner wall of the lamp holder fixing seat, and the spring is pressed to press the metal sheet conductive element to the conductive column inserted into the lamp holder mounting hole so as to enable the metal sheet conductive element and the conductive column to be in contact.

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