Heat dissipation improvement structure of down lamp
Technical Field
The utility model relates to a down lamp technical field, concretely relates to heat dissipation improvement structure of down lamp.
Background
The down lamp is a lamp which is provided with a screw lamp holder and can be directly provided with an incandescent lamp or an energy-saving lamp, the down lamp is a lighting lamp which is embedded in a ceiling and emits light downwards, all light is projected downwards, the down lamp belongs to direct light distribution, and different light effects can be obtained by using different reflectors, lenses, shutters and bulbs.
The existing tube lamp is usually provided with a radiating fin at the top, and can achieve good radiating effect, but after long-time use, because the radiating fin is easy to deposit dust and deposit scale, the thermal resistance of the radiating fin is increased, the heat exchange capability of the radiating fin is reduced, the metal layer under the scale can be corroded, and the radiating effect is reduced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the defects of the prior art, the improved heat dissipation structure of the down lamp is provided, and the problems that the heat dissipation effect of the prior down lamp is reduced because the heat dissipation fins are usually arranged at the top of the down lamp and are easy to deposit dust and deposit scale on the heat dissipation fins after long-time use, the heat resistance of the heat dissipation fins is increased, the heat exchange capacity of the heat dissipation fins is reduced, and a metal layer under the scale is corroded due to the heat dissipation fins are solved.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides a heat radiation improved structure of a down lamp, which comprises a lamp tube, a lamp ring, a lens, a reflector, a lamp core, a torsional spring, a clamping plate, a power wire and a dustproof heat radiation mechanism, wherein the lamp ring is arranged at the bottom of the lamp tube, the dustproof heat radiation mechanism is arranged at the inner side of the lamp tube, the dustproof heat radiation mechanism comprises a motor frame, a small motor, a motor wire, an annular radiating fin, a wire groove, a dustproof cover, a through groove, a sealing mechanism and a radiating groove, the top of the lamp tube is fixed with the motor frame through an adhesive, the small motor is locked and fixed with the inner side of the motor frame through a bolt, the motor wire is fixed at the rear side of the motor frame, the annular radiating fin is arranged at the top of the reflector, the bottom at the rear side of the annular radiating fin is provided with the wire groove, the power wire penetrates through the wire groove and extends, the utility model discloses a lamp section of thick bamboo, including a lamp section of thick bamboo, dust cover, miniature motor, lead to the groove, the lamp section of thick bamboo inboard upper end is provided with the dust cover, miniature motor output and dust cover top middle part fixed connection, dust cover outside surface is provided with logical groove, it is provided with the closing mechanism to lead to the groove right side, lamp section of thick bamboo outside surface is provided with the radiating groove, the miniature motor carries out the electricity with the motor wire and is connected.
Further, lens are installed to the lamp ring inboard, lamp section of thick bamboo inboard bottom is provided with the reflector, the wick is installed at the inboard top of reflector, the lamp section of thick bamboo left and right sides all is provided with the torsional spring, the cardboard is installed to the torsional spring end, lamp section of thick bamboo rear side is fixed with the power wire, the power wire carries out the electricity with the wick and is connected.
Furthermore, the sealing mechanism comprises a sliding cavity, an elastic part and a sealing block, the sliding cavity is arranged on the outer surface of the dust cover, one side of the elastic part is fixedly connected with the sliding cavity, the other side of the elastic part is fixedly connected with the sealing block, and the sealing block slides along the inner side of the sliding cavity.
Furthermore, the annular radiating fins correspond to the radiating grooves in height, and the radiating grooves are rectangular.
Furthermore, the height of the through groove corresponds to that of the radiating groove, and the through groove and the radiating groove are equal in shape and size.
Furthermore, arc slopes are arranged on the left side and the right side of the sealing block, and the sealing block is cuboid.
Furthermore, the outer surface of the dust cover is coated with a waterproof anti-oxidation layer, and the dust cover is in a cylindrical shape with a hollow bottom.
Furthermore, the central lines of the sliding cavity and the closed block are positioned on the same horizontal direction line, and the inner side of the sliding cavity is smooth and has no burrs.
Further, the small-sized motor is a PX168 series, and the specific model is designed or customized according to the actual use condition.
Furthermore, the elastic part is made of alloy spring steel, so that the heat resistance and the corrosion resistance of the elastic part are greatly enhanced, and the elastic part is not easy to deform.
(III) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
the method has the advantages that: a heat dissipation improvement structure of down lamp through having set up dustproof heat dissipation mechanism in a lamp section of thick bamboo inboard, rotates through the small-size motor drive dust cover, makes the dust cover rotate and makes logical groove and radiating groove butt joint, and the heat that the annular fin produced the wick during operation absorbs to conduct the heat to the air in through the radiating groove, in order to reach good cooling effect.
The advantages are two: a heat dissipation improvement structure of down lamp, through having set up the closing mechanism on logical groove right side, rotate through the small-size motor drive dust cover, the dust cover rotates and makes the closed piece move to the radiating groove rear side, and it is inboard to promote the closed piece to insert the radiating groove through the elasticity that elastic component resumes deformation, makes the inside semi-closed state that is of a lamp section of thick bamboo, prevents that the dust from entering into a lamp section of thick bamboo from the clearance between radiating groove and the dust cover inside to the adhesion has leaded to reducing its radiating effect on annular fin surface.
The advantages are three: a heat dissipation improvement structure of down lamp has set up the arc slope through both sides about the closed block, rotates through the small-size motor drive dust cover, makes the closed block break away from the radiating groove inboard, and the radiating groove is through the arc slope that closed block both sides set up will be closed in the piece top backsliding intracavity, prevents that the dust cover from blocking unable rotation.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic front view of the cross-sectional structure of the present invention;
FIG. 3 is a schematic view of the left-side sectional structure of the dustproof heat dissipation mechanism of the present invention;
FIG. 4 is a schematic view of the dust cover of the present invention;
fig. 5 is a schematic front sectional view of the sealing mechanism of the present invention.
In the figure: the lamp comprises a lamp barrel-1, a lamp ring-2, a lens-3, a reflector-4, a lamp wick-5, a torsion spring-6, a clamping plate-7, a power supply lead-8, a dustproof heat dissipation mechanism-9, a motor frame-91, a small motor-92, a motor lead-93, an annular heat dissipation sheet-94, a wire groove-95, a dustproof cover-96, a through groove-97, a sealing mechanism-98, a sliding cavity-981, an elastic part-982, a sealing block-983 and a heat dissipation groove-99.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, 2, 3, 4 and 5, the present invention provides a heat dissipation improved structure of a down lamp: the lamp comprises a lamp tube 1, a lamp ring 2, a lens 3, a reflector 4, a lamp wick 5, a torsional spring 6, a clamping plate 7, a power supply lead 8 and a dustproof heat dissipation mechanism 9, wherein the lamp ring 2 is installed at the bottom of the lamp tube 1, the dustproof heat dissipation mechanism 9 is arranged at the inner side of the lamp tube 1, the dustproof heat dissipation mechanism 9 comprises a motor frame 91, a small motor 92, a motor lead 93, an annular heat dissipation fin 94, a wire groove 95, a dustproof cover 96, a through groove 97, a closing mechanism 98 and a heat dissipation groove 99, the top of the lamp tube 1 is fixed with the motor frame 91 through an adhesive, the small motor 92 is locked and fixed with the inner side of the motor frame 91 through a bolt, the motor lead 93 is fixed at the rear side of the motor frame 91, the annular heat dissipation fin 94 is installed at the top of the reflector 4, the bottom at the rear side of the annular heat dissipation fin 94 is provided with the, the output end of the small motor 92 is fixedly connected with the middle part of the top end of the dust cover 96, the outer side surface of the dust cover 96 is provided with a through groove 97, the right side of the through groove 97 is provided with a closing mechanism 98, the outer side surface of the lamp tube 1 is provided with a heat dissipation groove 99, the small motor 92 is electrically connected with the motor lead 93, and the motor lead 93 is electrically connected with the power supply lead 8.
Wherein, lens 3 is installed to 2 inboards of lamp ring, 1 inboard bottom of a lamp section of thick bamboo is provided with reflector 4, wick 5 is installed at 4 inboard tops of reflector, 1 left and right sides of a lamp section of thick bamboo all is provided with torsional spring 6, cardboard 7 is installed to 6 ends of torsional spring, 1 rear side of a lamp section of thick bamboo is fixed with power wire 8, power wire 8 carries out the electricity with wick 5 and is connected.
The sealing mechanism 98 comprises a sliding cavity 981, an elastic member 982 and a sealing block 983, the sliding cavity 981 is arranged on the outer surface of the dust cover 96, one side of the elastic member 982 is fixedly connected with the sliding cavity 981, the other side of the elastic member 982 is fixedly connected with the sealing block 983, and the sealing block 983 slides along the inner side of the sliding cavity 981.
The annular heat dissipation fin 94 corresponds to the heat dissipation groove 99 in height, and the heat dissipation groove 99 is rectangular, so that the annular heat dissipation fin 94 can better conduct heat to the air through the heat dissipation groove 99.
The through groove 97 corresponds to the heat dissipation groove 99 in height, the through groove 97 is equal to the heat dissipation groove 99 in shape and size, and the annular cooling fin 94 plays a good cooling effect through the through groove 97 and the heat dissipation groove 99 when the down lamp is used conveniently.
Wherein, both sides all are provided with the arc slope about the sealed piece 983, and sealed piece 983 is the cuboid form, do benefit to sealed piece 983 better retrieve in the sliding chamber 981.
The outer surface of the dust cover 96 is coated with a waterproof oxidation-resistant layer, and the dust cover 96 is in a cylindrical shape with a hollow bottom, so that rusting or oxidative corrosion of the outer surface of the dust cover 96 caused by long-time use is prevented.
The central lines of the sliding cavity 981 and the closed block 983 are positioned on the same horizontal direction line, and the inner side of the sliding cavity 981 is smooth and burr-free, so that the closed block 983 can better slide along the inner side of the sliding cavity 981.
The small-sized motor 92 is a PX168 series, and the specific model is designed or customized according to the actual use condition.
The elastic piece 982 is made of alloy spring steel, so that the heat resistance and the corrosion resistance of the elastic piece are greatly enhanced, and the elastic piece is not easy to deform.
The alloy spring steel material that elastic component 982 adopted in this patent is the special alloy steel of making all kinds of springs and other elastic component, alloy spring steel material has good comprehensive properties, good metallurgical quality (high pure degree and homogeneity), good surface quality (strict control surface defect and decarbonization), accurate appearance and size.
The working principle is as follows: before use, the torsion springs 6 at the left end and the right end are firstly pulled upwards to enable the torsion springs 6 to deform under stress, then the lamp cylinder 1 is pressed into a mounting groove preset on a ceiling to enable the lamp ring 2 to be attached to the ceiling, the clamping plate 7 is driven to reset through the elastic force of the torsion springs 6 recovering deformation, and the clamping plate 7 is closely attached to the inner side of the mounting groove, so that the lamp cylinder 1 is fixed into the mounting groove and is not easy to fall off when in use; when the down lamp is used, firstly, the power supply lead 8 is connected with an external power supply to provide power for the down lamp; secondly, starting the down lamp through an external controller, electrifying the lamp core 6 to work for illumination, reflecting the light downwards by the reflector 4 to achieve a good illumination effect, illuminating the room through the lens 3 to make the light softer, electrifying the small motor 92 to work at the same time, driving the dust cover 96 to rotate by the small motor 92 to make the sealing block 983 separate from the inner side of the heat dissipation groove 99, pushing the sealing block 983 back into the sliding cavity 981 through the arc slopes arranged at the two sides of the sealing block 983 by the heat dissipation groove 99, enabling the through groove 97 to be in butt joint with the heat dissipation groove 99 by the rotation of the dust cover 96, absorbing the heat generated by the lamp core 5 during working by the annular radiating fins 94, and conducting the heat to the air through the heat dissipation groove 99 to achieve a good cooling effect; when the illumination is not needed, the down lamp is closed through the external controller, meanwhile, the small motor 92 drives the dust cover 96 to rotate, the dust cover 96 rotates to enable the sealing block 983 to move to the rear side of the heat dissipation groove 99, the elastic force of the elastic piece 982 restoring deformation pushes the sealing block 983 to be connected into the inner side of the heat dissipation groove 99, the lamp barrel 1 is enabled to be in a semi-closed state, dust is prevented from entering the lamp barrel 1 from the gap between the heat dissipation groove 99 and the dust cover 96, and the adhesion leads to reduction of the heat dissipation effect of the lamp barrel on the surface of the annular heat dissipation fin 94.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.