CN107420751B

CN107420751B - Sliding lighting device

Info

Publication number: CN107420751B
Application number: CN201710517495.9A
Authority: CN
Inventors: 叶伟炳
Original assignee: Dongguan Wenyu Industrial Co Ltd
Current assignee: Dongguan Wenyu Industrial Co Ltd
Priority date: 2017-06-29
Filing date: 2017-06-29
Publication date: 2020-06-23
Anticipated expiration: 2037-06-29
Also published as: CN107420751A

Abstract

A sliding lighting device comprises a radiator base, a radiating cylinder, an LED lighting assembly, a sliding protection assembly and a driving assembly, wherein an annular sliding groove is formed in the radiator base; the heat dissipation cylinder body is of a hollow structure, the heat dissipation cylinder body is arranged on the heat dissipation base, and the annular sliding groove is arranged around the heat dissipation cylinder body; the LED lighting assembly comprises a plurality of LED luminous pieces; the sliding protection assembly comprises an annular sliding ring and a plurality of protection shielding sheets, the protection shielding sheets are arranged on the annular sliding ring at intervals, the annular sliding ring is arranged in the annular sliding groove in a sliding manner, and the annular sliding ring is used for enabling the protection shielding sheets to correspondingly shield the LED luminous elements one by one when sliding relative to the annular sliding groove; the driving assembly comprises a motor and a control module, a rotating shaft of the motor is connected with the annular sliding ring, the control module is electrically connected with the motor and used for controlling the motor to drive the annular sliding ring to slide relative to the annular sliding groove, and therefore the LED lighting assembly can be better protected.

Description

Sliding lighting device

Technical Field

The invention relates to the technical field of illumination, in particular to a sliding illumination device.

Background

Currently, LED lighting fixtures refer to devices capable of transmitting light, distributing and changing the light distribution of LED light sources, including all the parts and components except for LED light sources, which are necessary for fixing and protecting the LED light sources, and the circuit accessories necessary for connecting with the power supply. The LED lamp is becoming the main product of a new generation of lighting market by the technical characteristics of high efficiency, energy conservation, safety, long service life, small size, clear light and the like, and the high-speed development of the environment-friendly and energy-saving industry is powerfully pulled.

For some lamps exposed to sunlight for a long time, the existing lamps lack necessary protection, so that the service life of the LED lighting assembly is reduced due to the fact that the LED lighting assembly is exposed to the sunlight for a long time.

Disclosure of Invention

Based on this, there is a need for a sliding lighting device that can better protect its LED lighting assembly.

A sliding lighting fixture, comprising:

the radiator base, annular spout has been seted up on the radiator base, the radiator base includes: the heating ejection assembly is arranged in the base body and used for communicating the internal space in the base body with the outside when being heated, the heating ejection assembly is covered on the base body, and the heating ejection assembly is used for communicating the base body with the outside when being heated;

the heat dissipation cylinder body is of a hollow structure and is arranged on the heat dissipation base, and the annular sliding groove is arranged around the heat dissipation cylinder body;

the LED illuminating assembly comprises a plurality of LED illuminating pieces, and the LED illuminating pieces are arranged on the outer side wall of the heat dissipation barrel at intervals;

the sliding protection assembly comprises an annular sliding ring and a plurality of protection shielding pieces, the protection shielding pieces are arranged on the annular sliding ring at intervals, the annular sliding ring is arranged in the annular sliding groove in a sliding mode, and the annular sliding ring is used for enabling the protection shielding pieces to shield the LED luminous pieces in a one-to-one correspondence mode when sliding relative to the annular sliding groove.

Drive assembly, drive assembly includes motor and control module group, the rotation axis of motor with the annular slip ring is connected, the control module group with motor electric connection is used for control the motor drives the annular slip ring for the annular spout slides.

In one embodiment, the heat sink base is provided with an annular embedding groove, and the end part of the heat dissipation cylinder is embedded in the annular embedding groove.

In one embodiment, the sliding lighting device further comprises a threaded fastener, the threaded fastener is sequentially arranged through the heat sink base and the heat sink cylinder body, and the threaded fastener is in threaded connection with the heat sink base and the heat sink cylinder body respectively.

In one embodiment, the heat-dissipating cylinder has a hollow cylindrical structure.

In one embodiment, the length of the protective shielding sheet is greater than the height of the heat dissipation cylinder.

In one embodiment, the LED lighting element includes an LED bead and an organic lens, the LED bead is disposed on the heat dissipation barrel, the organic lens is disposed on the heat dissipation barrel, and the LED bead is accommodated in the organic lens.

In one embodiment, the sliding lighting device further comprises a protective sleeve disposed on the heat sink base.

In one embodiment, the motor is a stepper motor.

In one embodiment, the annular sliding ring and the inner side wall of the annular sliding groove are provided with a lubricating layer.

In one embodiment, a heat dissipation fan is arranged inside the heat dissipation cylinder.

When daytime need not the illumination demand and be in the sun when insolating, through control controlling means's motor work can make the motor drives annular sliding ring rotates, and then drives the protection shields the piece and rotates, plays to shield until the LED illuminating part is located between protection shield piece and the heat dissipation barrel to protect LED lighting components better, when being in night demand illumination, through control controlling means's motor work, can make the motor drives annular sliding ring rotates, and then drives the protection shield piece rotates, until the light that the LED illuminating part sent can pass through smoothly and form the interval between two adjacent protection shield pieces, and then shine to the outside, in order to play normal illuminating effect.

Drawings

Fig. 1 is a schematic structural diagram of a sliding lighting device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an auxiliary LED lighting assembly according to an embodiment of the present invention.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In one embodiment, a sliding lighting device includes: the LED illuminating lamp comprises a radiator base, a radiating cylinder, an LED illuminating assembly, a sliding protection assembly and a driving assembly, wherein an annular sliding groove is formed in the radiator base; the heat dissipation cylinder body is of a hollow structure, the heat dissipation cylinder body is arranged on the heat dissipation base, and the annular sliding groove is arranged around the heat dissipation cylinder body; the LED illuminating assembly comprises a plurality of LED illuminating pieces, and the LED illuminating pieces are arranged on the outer side wall of the heat dissipation barrel at intervals; the sliding protection assembly comprises an annular sliding ring and a plurality of protection shielding pieces, the protection shielding pieces are arranged on the annular sliding ring at intervals, the annular sliding ring is arranged in the annular sliding groove in a sliding mode, and the annular sliding ring is used for enabling the protection shielding pieces to correspondingly shield the LED luminous pieces one by one when sliding relative to the annular sliding groove; the driving assembly comprises a motor and a control module, the rotating shaft of the motor is connected with the annular sliding ring, the control module is electrically connected with the motor and used for controlling the motor to drive the annular sliding ring to slide relative to the annular sliding groove, so that when the lighting requirement is not needed in daytime and the LED illuminating part is exposed to the sun, the motor of the control device is controlled to work, the motor can drive the annular sliding ring to rotate so as to drive the protective shielding piece to rotate until the LED illuminating part is positioned between the protective shielding piece and the radiating barrel body, the LED illuminating part is shielded, the LED illuminating assembly is better protected, when the LED illuminating part is illuminated in the night requirement, the motor is controlled to work so as to drive the annular sliding ring to rotate, and then the protective shielding piece is driven to rotate, until the light emitted by the LED luminous element can smoothly pass through the space formed between the two adjacent protective shielding sheets, and then the light irradiates to the outside so as to play a normal lighting effect.

Referring to fig. 1, the sliding illumination device 10 includes: the LED illuminating lamp comprises a radiator base 100, a radiating cylinder 200, an LED illuminating assembly 300, a sliding protection assembly 400 and a driving assembly, wherein the radiating cylinder 200 and the sliding protection assembly 400 are respectively arranged on the radiator base 100, the LED illuminating assembly 300 is arranged on the radiating cylinder 200, the driving assembly is connected with the sliding protection assembly 400, and the driving assembly is used for driving the sliding protection assembly 400 to rotate relative to the radiator base 100, so that the sliding protection assembly 400 plays a role in shielding and protecting the LED illuminating assembly 300.

Referring to fig. 1, the heat sink base 100 is provided with an annular sliding groove 110, and the annular sliding groove 110 is used for installing a sliding protection assembly 400.

Referring to fig. 1, the heat dissipation cylinder 200 has a hollow structure, and is disposed on the heat dissipation base, and the annular sliding groove is disposed around the heat dissipation cylinder. The heat dissipation cylinder 200 is used to mount the LED lighting assembly 300.

Referring to fig. 1, the LED lighting assembly 300 includes a plurality of LED light emitting members 310, each of the LED light emitting members 310 is disposed on an outer sidewall of the heat dissipation cylinder 200 at intervals, each of the LED light emitting members 310 is used for lighting, and heat generated when each of the LED light emitting members 310 emits light is directly transferred to the heat dissipation cylinder 200.

Referring to fig. 1, the sliding protection assembly 400 includes an annular sliding ring 410 and a plurality of protection shielding plates 420, and each protection shielding plate 420 is disposed on the annular sliding ring 410 at intervals, for example, the sliding protection assembly is similar to a "crown" shape. The annular sliding ring is arranged in the annular sliding groove in a sliding mode, and therefore the annular sliding ring can slide relative to the radiator base. When the annular sliding ring slides relative to the annular sliding groove, the protective shielding pieces are used for correspondingly shielding the LED luminous elements one by one, so that the LED luminous elements can be better shielded and protected when the illumination requirement is not needed.

For example, the driving assembly includes a motor and a control module, a rotating shaft of the motor is connected to the annular sliding ring, and the control module is electrically connected to the motor and configured to control the motor to drive the annular sliding ring to slide relative to the annular sliding chute, that is, the annular sliding ring rotates relative to the annular sliding chute; at this time, the protection shielding pieces move relative to the LED luminous elements in a one-to-one correspondence manner, and when the annular sliding ring rotates to a certain position relative to the annular sliding groove, the protection shielding pieces shield the LED luminous elements in a one-to-one correspondence manner; for example, when the annular sliding ring rotates to a certain position relative to the annular sliding groove, each protective shielding piece completely shields each LED light-emitting piece in a one-to-one correspondence manner; when the annular sliding ring continuously rotates relative to the annular sliding groove, the LED luminous pieces are shielded by the corresponding parts of the protective shielding pieces; when the annular sliding ring continuously rotates to another position relative to the annular sliding groove, the protection shielding pieces correspond to one another and do not shield the LED luminous elements completely; like this, when daytime need not the illumination demand and be in the sun and insolate, through control controlling means's motor work can make the motor drives annular sliding ring 410 rotates, and then drives protection shields piece 420 rotates, plays to shield until the LED illuminating part is located between protection shield piece 420 and the heat dissipation barrel, the effect of LED illuminating part to protect LED lighting assembly better, when being in the night demand illumination, through control controlling means's motor work, can make the motor drives annular sliding ring 410 rotates, and then drives protection shield piece 420 rotates, can form the interval through adjacent two protection shield pieces 420 smoothly until the light that the LED illuminating part sent, and then shine to the outside, in order to play normal illuminating effect.

In one embodiment, the heat radiator base is provided with an annular embedding groove, and the end part of the heat radiating cylinder is embedded in the annular embedding groove; for another example, the sliding lighting device further includes a threaded fastener, the threaded fastener sequentially penetrates through the heat sink base and the heat dissipation cylinder, and the threaded fastener is respectively screwed with the heat sink base and the heat dissipation cylinder, so that the heat dissipation cylinder and the heat sink base can be better disassembled and assembled; for another example, the heat dissipation cylinder has a hollow cylindrical structure; for another example, the length of the protective shielding sheet is greater than the height of the heat dissipation cylinder; as another example, the LED lighting element includes an LED bead and an organic lens, the LED bead is disposed on the heat dissipation barrel, the organic lens is disposed on the heat dissipation barrel, and the LED bead is accommodated in the organic lens, so as to achieve a better lighting effect; as another example, the sliding lighting device further includes a protective cover disposed on the heat sink base; as another example, the motor is a stepper motor; for another example, the inner side walls of the annular sliding ring and the annular sliding groove are provided with lubricating layers; for another example, the heat dissipation barrel is internally provided with the heat dissipation fan, so that a good heat dissipation effect can be achieved.

It should be noted that, in the heat sink base of the sliding lighting device, since the lighting light of the LED lighting assembly is concentrated after being emitted, an auxiliary lighting component needs to be matched, for example, the sliding lighting device further includes an auxiliary LED lighting assembly, the auxiliary LED lighting assembly is connected to the heat sink base, and the auxiliary LED lighting assembly is disposed around the edge of the heat sink base, that is, the auxiliary LED lighting assembly is connected to the edge of the heat sink base, so that the light emitted by the sliding lighting device can be more uniform as a whole and the lighting effect is better by disposing the auxiliary LED lighting assembly, and in addition, a protection measure needs to be made on the auxiliary LED lighting assembly, for example, a measure for preventing dust and water needs to be made on the auxiliary LED lighting assembly, and a better heat dissipation effect needs to be achieved, for example, in the sliding lighting device according to any embodiment of the present invention, the sliding lighting device further includes a plurality of auxiliary LED lighting assemblies, and each of the auxiliary LED lighting assemblies is spaced apart from an edge of the heat sink base; each auxiliary LED lighting assembly is used for enabling light rays emitted by the sliding lighting device to be more uniform on the whole, and the lighting effect is better. In one auxiliary LED lighting assembly, the auxiliary LED lighting assembly comprises a transverse heat transfer rod, a heat dissipation cup, a heated lifting rod, a sealing upper cover, a heat transfer ring, a heated lifting installation core, an auxiliary LED light-emitting piece, a rotating shaft, a sealing lower cover and an elastic wire, wherein a first end of the transverse heat transfer rod is connected with the radiator base, a second end of the transverse heat transfer rod is connected with the outer side wall of the heat dissipation cup, a first end of the heated lifting rod is connected with the outer side wall of the heat dissipation cup, the first end of the heated lifting rod is connected with the second end of the transverse heat transfer rod in a manner of being adjacent to the second end of the transverse heat transfer rod, the second end of the heated lifting rod is connected with the sealing upper cover, an extension opening is formed in the first end of the heat dissipation cup, a movable hole is formed in the second end of the heat dissipation cup, the sealing upper cover is arranged on the extension opening and is used for shielding the extension opening, the sealing device comprises a sealing upper cover, a heat dissipation cup, a heat transfer ring, an auxiliary LED luminous element, a sealing lower cover, a transverse heat transfer rod, a heat transfer ring, a transverse LED luminous element and a sealing upper cover, wherein the sealing upper cover is used for driving the sealing upper cover to move in the direction far away from an extension opening when the heat transfer ring is heated to be erected so as to enable the extension opening to be opened, the heat transfer ring is arranged on the inner side wall of the heat dissipation cup and is arranged close to the first end of the transverse heat transfer rod, the first end of the heat transfer ring is fixed with the heat transfer ring, the auxiliary LED luminous element is arranged on the second end of the heat transfer ring, the heat transfer ring is used for driving the auxiliary LED luminous element to penetrate through the extension opening when the heat transfer ring is heated to be erected, the auxiliary LED luminous element is exposed outside the heat dissipation cup, the rotating shaft is arranged at the edge of the movable hole, the sealing lower cover is rotatably connected with the rotating shaft, the second end of the elastic wire is connected with the lower sealing cover, and when the upper sealing cover moves away from the extending opening, the lower sealing cover is driven to rotate relative to the rotating shaft through the elastic wire, and the movable hole is opened.

In order to achieve better dustproof and waterproof effects and better heat dissipation effects, and to make the light emitted by the sliding lighting device more uniform on the whole and achieve better lighting effects, for example, please refer to fig. 2, the sliding lighting device further includes a plurality of auxiliary LED lighting assemblies 900, and each auxiliary LED lighting assembly 900 is disposed at an edge of the heat sink base 100 at intervals, so that each auxiliary LED lighting assembly is used to make the light emitted by the sliding lighting device more uniform on the whole and achieve better lighting effects, that is, when a normal light emitting component cannot ensure a better lighting effect, the auxiliary LED lighting assembly needs to be additionally disposed to improve the lighting effects such as uniformity and brightness of the whole lighting.

For example, in one of the auxiliary LED lighting assemblies, the auxiliary LED lighting assembly 900 includes a transverse heat transfer rod 910, a heat dissipation cup 920, a heated lifting rod 930, a sealing upper cover 940, a heat transfer ring 950, a heated lifting installation core 960, an auxiliary LED illuminator 970, a rotating shaft 980, a sealing lower cover 990, and an elastic wire 990a, a first end of the transverse heat transfer rod is connected to the heat sink base, and a second end of the transverse heat transfer rod is connected to an outer sidewall of the heat dissipation cup, so that heat on the heat sink base can be rapidly transferred to the heat dissipation cup through the transverse heat transfer rod to assist the heat sink base to perform a heat dissipation function, i.e., the heat dissipation cup is used to share a heat dissipation load with the heat sink base. The first end of the heated raising rod is connected with the outer side wall of the heat dissipation cup, and the first end of the heated raising rod is connected with the second end of the transverse heat transfer rod in a manner that the first end of the heated raising rod is adjacent to the second end of the transverse heat transfer rod, so that when the LED light-emitting component emits light, the heat transferred to the heat dissipation cup by the transverse heat transfer rod can be quickly transferred to the transverse heat transfer rod, the second end of the heated raising rod is connected with the upper sealing cover, the first end of the heat dissipation cup is provided with an extension opening, the second end of the heat dissipation cup is provided with a movable hole, the upper sealing cover is arranged on the extension opening and used for shielding the extension opening, and when the heated raising rod is heated and raised, the upper sealing cover is driven to move in a direction away from the extension opening so as to open the extension opening, that is, when the heat sink base sequentially transfers heat from the LED light emitting element to the transverse heat transfer rod, the heat dissipation cup and the heated raising rod, the heated raising rod is deformed by heating, so that the sealing upper cover originally covering the extension opening moves in a direction away from the extension opening, so that the extension opening is open, and the heat dissipation effect is good, and certainly, when the heated raising rod is heated, that is, when the LED light emitting element is not emitting light, the heat sink base does not absorb heat from the LED light emitting element, that is, when the sliding lighting device is not powered on, the heated raising rod is not raised, and at this time, the sealing upper cover is in a state of shielding the extension opening, and at this time, a dustproof and waterproof effect can be achieved, for example, when the lamp is not turned on in daytime, a dustproof effect can be achieved, when the lamp is turned on at night, a better heat dissipation effect can be achieved. The heat transfer ring is arranged on the inner side wall of the heat dissipation cup, the heat transfer ring is arranged close to the first end of the transverse heat transfer rod, the heat transfer ring can better absorb heat from the first end of the transverse heat transfer rod, the first end of the heated raised installation core is fixed with the heat transfer ring, and the auxiliary LED luminous element is arranged at the second end of the heated raised installation core, so that when the LED luminous element emits light and the extension opening is open, the auxiliary LED luminous element is driven to pass through the extension opening when the heated raised installation core is heated and raised, namely the auxiliary LED luminous element extends out of the extension opening to the external environment and is exposed outside the heat dissipation cup, and thus the auxiliary LED luminous element can play a normal illumination effect, when the lamp is not powered on, the sealing upper cover can be used for shielding the extension opening, the heated and raised installation core is not raised, and the installation core and the auxiliary LED luminous piece are accommodated in the heat dissipation cup, so that the auxiliary LED luminous piece is protected, and the waterproof and dustproof effects are achieved. The rotation axis set up in the border position department of activity hole, sealed lower cover with the rotation axis rotates and is connected, sealed lower cover is used for shielding the activity hole, the first end of elastic wire with sealed upper cover is connected, the second end of elastic wire with sealed lower cover is connected, sealed upper cover is kept away from when the direction motion of stretching out the mouth, sealed upper cover is used for passing through the elastic wire drives sealed lower cover is relative the rotation axis rotates, at this moment, sealed lower cover is to being close to the direction motion of sealed upper cover, promptly sealed lower cover is to keeping away from the direction motion of activity hole, and makes the activity hole opens, like this, when lamps and lanterns circular telegram, can make stretch out the mouth with the activity hole communicates with the external world respectively, so, can strengthen convection heat dissipation effect. For example, a side surface of the sealing upper cover facing the heat dissipation cup is provided with a reflection layer, and the reflection layer reflects light emitted by the auxiliary LED light emitting member, so that the light is better irradiated to the outside.

For another example, in one embodiment, the heat sink base of the sliding lighting device undertakes a main heat dissipation task, that is, the heat sink base undertakes the largest actual heat dissipation amount, in order to pursue better heat dissipation performance, the heat sink base is usually designed to be a solid structure, however, the heat sink base of the solid structure is too heavy, is not favorable for transportation and handling, and wastes materials, and for the above reasons, in order to make the heat sink base have the advantages of light weight and good heat dissipation performance, a plurality of through heat dissipation holes or heat dissipation vents are usually disposed on the heat sink base, and outside air flows from one end of the heat dissipation holes or the heat dissipation vents to the other end of the heat dissipation holes or the heat dissipation vents, so as to achieve an air convection heat dissipation effect, and thus the overall heat dissipation performance of the heat sink base can be improved, that is, the outside air flow is used to take away, with improving whole heat dispersion to set up a plurality of louvres or heat dissipation vent that link up, can also play the light effect of realization quality, however, adopt to set up louvre or heat dissipation vent in order to realize convection heat dissipation's design still to have following problem: because louvre or heat dissipation vent are located inside the radiator base, outside impurity gets into easily and the deposit is in louvre or heat dissipation vent, leads to the inside problem that the impurity amalgamation appears easily of radiator base, for example, impurity includes dust, steam and insect etc. if again, the impurity amalgamation is dust, drop of water and/or insect shell etc..

For example, in order to reduce the problem of impurity accumulation in the heat sink base and to combine the advantages of light weight and good heat dissipation performance, for example, in the sliding lighting device according to any embodiment of the present invention, the heat sink base includes: the heating ejection assembly is arranged in the base body and used for communicating the internal space in the base body with the outside when being heated, the heating ejection assembly is covered on the base body, and the heating ejection assembly is used for communicating the base body with the outside when being heated; wherein, the base body undertakes main actual heat dissipation capacity, the ejection subassembly that is heated is used for when not being heated, is used for cutting off this internal ventilation cavity of base and external intercommunication relation for avoid impurity to get into, the ejection subassembly that is heated is used for when being heated, makes this internal inner space of base and external intercommunication play enhancement circulation of air degree to play convection heat dissipation effect. The heating and opening assembly is used for sealing the internal space in the base body and avoiding the entering of external impurities, the heating and opening assembly is automatically opened when being used for heating, namely, the partial structure of the heating and opening assembly is separated from the base body, the internal space in the base body is opened, so that the internal space in the base body is communicated with the outside, and the convection and heat transfer effect is achieved. The base body comprises a box body, a first sliding ring, a second sliding ring and a supporting bottom plate, the box body is of a hollow structure, a ventilation cavity is arranged in the box body, an air inlet and an air outlet are arranged on the box body, the air inlet and the air outlet are respectively communicated with the ventilation cavity, the air inlet is aligned with the air outlet, the first sliding ring is arranged around the edge of the box body, the air inlet is communicated with the inner space of the first sliding ring, the second sliding ring is sleeved outside the first sliding ring in a sliding manner, the first sliding ring is provided with a first air inlet hole, the second sliding ring is provided with a second air inlet hole communicated with the outside, the edge of the supporting bottom plate is fixed with the edge of the second sliding ring, and the first sliding ring is used for communicating the first air inlet hole and the second air inlet hole when moving away from the supporting bottom plate and sliding relative to the second sliding ring. Wherein, through set up the ventilation cavity in the box, and first sliding ring reaches the hollow out construction of second sliding ring can make the radiator base has the light advantage of quality, works as following air convection route: when the second air inlet hole is not communicated with the first air inlet hole, the first sliding ring is used for preventing external impurities from entering the outer side wall of the box body, the first sliding ring, the second sliding ring and the supporting bottom plate to form a closed cavity. It should be noted that, each shape memory alloy ejection spring of the heated ejection assembly is in a heated state, and each shape memory alloy shielding sheet of the heated opening assembly is in a heated state, that is, when heated, heat generated when each LED light emitting element of the sliding lighting device works and emits light is transferred to the heat sink base, so that each shape memory alloy ejection spring of the heated ejection assembly is heated, and each shape memory alloy shielding sheet of the heated opening assembly is heated, of course, when the heated ejection assembly is not heated, and when the heated opening assembly is not heated, each LED light emitting element of the sliding lighting device stops being powered on and does not emit light. The heated ejection assembly comprises a sliding cylinder, a limiting part, an extension spring and a shape memory alloy ejection spring, wherein the first end of the sliding cylinder is fixed with the supporting bottom plate, the second end of the sliding cylinder penetrates through the box body in a sliding mode and is contained in the ventilation cavity, the limiting part is located in the ventilation cavity, the limiting part is fixed with the second end of the sliding cylinder, the extension spring is sleeved outside the sliding cylinder, two ends of the extension spring are respectively fixed with the box body and the supporting bottom plate, the extension spring is in a stretching state and used for applying acting force to the box body and the supporting bottom plate to move towards the direction close to each other, the shape memory alloy ejection spring is respectively fixed with the box body and the supporting bottom plate, and the shape memory alloy ejection spring is in a compression state and used for applying acting force to the box body and the supporting bottom plate to move towards the direction away from each other And the shape memory alloy ejection spring is used for extending when being heated and deformed, and enables the first sliding ring to move towards the direction far away from the supporting bottom plate and slide relative to the second sliding ring so as to enable the first air inlet hole and the second air inlet hole to be communicated. For example, the extension spring is made of alloy steel, and the temperature rise caused by the heat emitted by the LED luminous element is extremely small in shape change; however, since the shape memory alloy urging spring is made of a memory alloy, it causes a large change in shape when the temperature is increased by the heat emitted from the LED light emitting element. Wherein when the shape memory alloy ejection spring is not heated, the shape memory alloy ejection spring is in a compressed state, but the extension spring is in a stretching state, at the moment, the shape memory alloy ejection spring applies ejection acting force to the box body and the supporting bottom plate, and the tensioning acting force exerted by the extension spring on the box body and the supporting bottom plate is in a balanced state, the first sliding ring and the second sliding ring keep the stability of the motion state, and the first air inlet hole and the second air inlet hole are in a staggered design state, when the shape memory alloy ejection spring is heated, the shape memory alloy ejection spring extends to counteract a part of the extension force of the extension spring, the first sliding ring slides towards the direction far away from the supporting bottom plate and relative to the second sliding ring, so that the first air inlet hole and the second air inlet hole are communicated. The heating and opening assembly comprises a fixing strip and a memory alloy shielding sheet body, the fixing strip is arranged on the box body, the memory alloy shielding sheet body is connected with the fixing strip, the memory alloy shielding sheet body is attached to the box body, the memory alloy shielding sheet body is used for correspondingly shielding the air outlet, and the memory alloy shielding sheet body is used for communicating the air outlet with the outside when being heated and deformed. Wherein, memory alloy shields the lamellar body and is used for when not being heated, plays and shields the effect of air outlet to play and hide the dirt effect, reduce external impurity and get into in the radiator base, have dustproof and convection current radiating effect promptly concurrently, memory alloy shields the lamellar body and is used for playing when being heated and switches on the effect of air outlet, even get air outlet and external intercommunication, based on shape memory alloy ejection spring also is in the state of being heated, can make first income wind hole reaches the second goes into wind hole intercommunication, because the second is gone into wind hole and external intercommunication, consequently, as long as work as LED illuminating part is luminous and when producing the heat, just can make memory alloy shields the lamellar body crooked and shape memory alloy ejection spring extension to can realize following air convection current route: the outside air, the second air inlet hole, the first air inlet hole, the outer side wall of the box body, the first sliding ring, the second sliding ring and the supporting bottom plate together enclose a closed cavity, the air inlet, the ventilation cavity, the air outlet and the outside air.

As another example, in order to reduce the problem of impurity accumulation in the heat sink base and combine the advantages of light weight and good heat dissipation performance, for example, in the sliding lighting device according to any embodiment of the present invention, the heat sink base includes: the base body, the ejection subassembly that is heated and the subassembly that lifts that is heated, the ejection subassembly that is heated set up in the base body is internal, when the ejection subassembly that is heated is used for being heated, make base body and external intercommunication, it covers to be heated and locates to lift the subassembly on the base body, if again, it sets up to be heated to lift the subassembly in on the base body, when being heated and lifting the subassembly and being used for being heated, make base body and external intercommunication. It should be noted that main actual heat dissipation capacity is undertaken to the base body, the ejection subassembly that is heated is used for when not being heated, is used for cutting off this internal ventilation cavity of base and external intercommunication relation for avoid impurity to get into, the ejection subassembly that is heated is used for when being heated, makes this internal inner space of base and external intercommunication play enhancement circulation of air degree to play the convection current radiating effect. The heating and opening assembly is used for sealing the internal space in the base body and avoiding the entering of external impurities, the heating and opening assembly is automatically opened when being used for heating, namely, the partial structure of the heating and opening assembly is separated from the base body, the internal space in the base body is opened, so that the internal space in the base body is communicated with the outside, and the convection and heat transfer effect is achieved.

The base body comprises a box body, a first sliding ring, a second sliding ring and a supporting bottom plate, the box body is of a hollow structure, a ventilation cavity is arranged in the box body, an air inlet and an air outlet are formed in the box body, for example, the box body is of a hollow cuboid structure, and the air inlet and the air outlet are formed in two opposite side faces of the box body respectively. The air inlet and the air outlet are respectively communicated with the ventilation cavity, so that air can sequentially flow through the air inlet, the ventilation cavity and the air outlet to achieve a convection heat dissipation effect, and the air inlet is aligned with the air outlet, so that the convection heat dissipation effect can be further improved, and if the air inlet and the air outlet are multiple, the air inlets are in one-to-one correspondence with the air outlets, so that the air convection degree and the air convection strength can be improved, the heat dissipation effect is further improved, the first sliding ring is arranged around the edge of the box body, for example, the first sliding ring is of a square annular structure, the first sliding ring is fixed with one side face of the box body, the air inlet is communicated with the inner space of the first sliding ring, and the second sliding ring is sleeved outside the first sliding ring in a sliding manner, for example, the inner side wall of the second sliding ring abuts against the outer side wall of the first sliding ring, if so, the first sliding ring and the second sliding ring are both of a square ring structure, the size of the outer ring of the first sliding ring is the same as that of the inner ring of the second sliding ring, so that the first sliding ring and the second sliding ring abut against each other, the first sliding ring is provided with a first air inlet hole, the second sliding ring is provided with a second air inlet hole communicated with the outside, the first air inlet hole and the second air inlet hole are switched between a staggered state and a communicated state, the edge of the supporting bottom plate is fixed with the edge of the second sliding ring, the supporting bottom plate is of a cuboid structure, the edge of the supporting bottom plate is fixed with the inner side wall of the second sliding ring, the first sliding ring is used for communicating the first air inlet hole with the second air inlet hole when sliding relative to the second sliding ring in a direction away from the supporting bottom plate, and then the outside air enters the inner space of the first sliding ring through the second air inlet hole and the first air inlet hole in sequence. For example, the base body is made of metal, for example, the base body is made of aluminum alloy or copper alloy. It should be noted that, through set up the ventilation cavity in the box, and first sliding ring reaches the hollow out construction of second sliding ring, can make the radiator base has the light advantage of quality, works as following air convection route: the external air-the second air inlet hole-the first air inlet hole-the outer side wall of the box body-the first sliding ring-the second sliding ring and the supporting bottom plate together enclose a closed cavity-the air inlet-the ventilation cavity-the air outlet-the external air, namely, the air flows through the second air inlet hole, the first air inlet hole, the outer side wall of the box body, the first sliding ring, the second sliding ring and the supporting bottom plate together enclose a closed cavity-the air inlet, the ventilation cavity and the air outlet in sequence, so that an air convection path is completed, and when the path is in a working state, an air convection heat dissipation effect can be realized, and the whole heat dissipation performance can be improved. When the second air inlet hole is not communicated with the first air inlet hole, the first sliding ring is used for preventing external impurities from entering the outer side wall of the box body, and the first sliding ring, the second sliding ring and the supporting bottom plate jointly enclose a closed cavity. It should be noted that, each shape memory alloy ejection spring of the heated ejection assembly is in a heated state, and each shape memory alloy shielding sheet of the heated opening assembly is in a heated state, that is, when heated, heat generated when each LED light emitting element of the sliding lighting device works and emits light is transferred to the heat sink base, so that each shape memory alloy ejection spring of the heated ejection assembly is heated, and each shape memory alloy shielding sheet of the heated opening assembly is heated, of course, when the heated ejection assembly is not heated, and when the heated opening assembly is not heated, each LED light emitting element of the sliding lighting device stops being powered on and does not emit light.

The heated ejection assembly comprises a sliding cylinder body, a limiting part, an extension spring and a shape memory alloy ejection spring, wherein a first end of the sliding cylinder body is fixed with the supporting bottom plate, a second end of the sliding cylinder body penetrates through the box body in a sliding mode and is contained in the ventilation cavity, the limiting part is located in the ventilation cavity, therefore, the sliding cylinder body can be prevented from being separated from the box body based on the blocking effect of the limiting part, the limiting part is fixed with a second end of the sliding cylinder body, the extension spring is sleeved outside the sliding cylinder body, the two ends of the extension spring are respectively fixed with the box body and the supporting bottom plate, and therefore, based on the extension force of the extension elasticity, the first sliding ring and the second sliding ring can be prevented from being separated, and the first air inlet hole and the second air inlet hole can be arranged in a staggered mode, the extension spring is in a stretching state and is used for applying acting force to the box body and the supporting bottom plate to move towards each other so as to enable the box body and the supporting bottom plate to maintain a certain balance state. The shape memory alloy ejection spring is fixed with the box body and the supporting bottom plate respectively, the shape memory alloy ejection spring is in a compression state, acting force between the extension spring in extension and the shape memory alloy ejection spring in compression is balanced, the first air inlet hole and the second air inlet hole are arranged in a staggered mode, the shape memory alloy ejection spring is in a compression state and used for applying acting force to the box body and the supporting bottom plate, the acting force moves in a direction far away from each other, the shape memory alloy ejection spring is used for extending when being heated and deformed, the balance state is broken, the first air inlet hole and the second air inlet hole are changed into a communicated state from the staggered state, external air sequentially passes through the second air inlet hole and the first air inlet hole, and the first sliding ring slides in a direction far away from the supporting bottom plate and relative to the second sliding ring to enable the first sliding ring to be used for enabling the second sliding ring to move away from the supporting bottom plate The first air inlet hole is communicated with the second air inlet hole. For example, the extension spring is made of alloy steel, and the temperature rise caused by the heat emitted by the LED luminous element is extremely small in shape change; however, since the shape memory alloy urging spring is made of a memory alloy, it causes a large change in shape when the temperature is increased by the heat emitted from the LED light emitting element. For example, the box body is provided with a sliding installation hole communicated with the ventilation cavity, the second end of the sliding column body penetrates through the sliding installation hole and is accommodated in the ventilation cavity, it should be noted that when the shape memory alloy ejection spring is not heated, the shape memory alloy ejection spring is also in a compressed state, but the extension spring is in an extended state, at this time, the ejection acting force exerted by the shape memory alloy ejection spring on the box body and the support base plate and the tensioning acting force exerted by the extension spring on the box body and the support base plate are in a balanced state, the first sliding ring and the second sliding ring maintain the stability of the motion state, and the first air inlet hole and the second air inlet hole are in a staggered design state, when the shape memory alloy ejection spring is heated, the shape memory alloy ejection spring extends to offset a part of the stretching acting force of the stretching spring, so that the first sliding ring slides towards the direction far away from the supporting bottom plate and relative to the second sliding ring to enable the first air inlet hole and the second air inlet hole to be communicated. For example, when the shape memory alloy ejection spring is heated, the limiting part abuts against the inner side wall of the box body, so that the limiting part is prevented from sliding out of the box body, and the stability of the whole structure is kept.

The heating and opening assembly comprises a fixing strip and a memory alloy shielding sheet body, the fixing strip is arranged on the box body, the memory alloy shielding sheet body is connected with the fixing strip, the memory alloy shielding sheet body is fixed with the outer wall of the box body through the fixing strip, for example, the heating and opening assembly is multiple, each heating and opening assembly corresponds to one air outlet, each memory alloy shielding sheet body is used for shielding one air outlet, the memory alloy shielding sheet body is attached to the box body, the memory alloy shielding sheet body is used for correspondingly shielding the air outlet, and the memory alloy shielding sheet body is used for communicating the air outlet with the outside when being subjected to thermal deformation. It should be noted that the memory alloy shielding sheet is used for shielding the air outlet when not heated, that is, when the memory alloy shielding sheet is heated, the memory alloy shielding sheet is in a cuboid shape, that is, the surface attached to the box body is a plane, so as to play a dust shielding effect, and reduce the entry of external impurities into the heat radiator base, that is, the heat radiator base has both dust prevention and convection heat dissipation effects, the memory alloy shielding sheet plays a role in conducting the air outlet when being heated, that is, the air outlet is communicated with the outside, at this time, the memory alloy shielding sheet is in a bent state, so that the air outlet is opened and directly communicated with the outside, and based on the shape memory alloy ejection spring also being in a heated state, the first air inlet hole and the second air inlet hole can be communicated, because the second air inlet hole is also communicated with the outside, when the LED luminous element emits light and generates heat, the memory alloy shielding sheet body can be bent and the shape memory alloy ejection spring can be extended, so that the following air convection path can be realized: the external air-the second air inlet hole-the first air inlet hole-the outer side wall of the box body-the first sliding ring-the second sliding ring and the supporting bottom plate together enclose a closed cavity-the air inlet-the ventilation cavity-the air outlet-the external air, namely, the air flows through the second air inlet hole, the first air inlet hole, the outer side wall of the box body, the first sliding ring, the second sliding ring and the supporting bottom plate together enclose a closed cavity-the air inlet, the ventilation cavity and the air outlet, thereby completing an air convection path, when the path is in a working state, the air convection heat dissipation effect can be realized, thereby the whole heat dissipation performance can be improved, the convection heat transfer effect can be realized, when the first air outlet hole and the second air outlet hole are arranged in a staggered way, and when the memory alloy shielding sheet body shields the air outlet, the radiator base is isolated from the outside air, so that outside impurities are prevented from entering the radiator base.

According to the sliding lighting device, the radiator base is provided with the base body, the heated ejector assembly and the heated lifting assembly, so that the problem of impurity accumulation in the radiator base can be reduced, and the advantages of light weight and good heat dissipation performance can be achieved.

It should be noted that, when the shape memory alloy shielding sheet and the shape memory alloy ejection spring are heated, the heat generated when each of the LED light emitting elements of the sliding lighting device emits light during operation is transferred to the box body, the first sliding ring, the second sliding ring, and the support base plate of the heat sink base, so that the shape memory alloy shielding sheet and the shape memory alloy ejection spring are heated State. In addition, the material of the shape memory alloy shielding sheet body is the shape memory alloy of the existing material, as long as the shape memory alloy shielding sheet body can realize thermal deformation, and of course, the skilled person can flexibly select the material of the existing shape memory alloy according to the concept of the invention. Among them, Shape Memory Alloy (SMA) is an alloy material which can completely eliminate its deformation at a lower temperature after heating and temperature rise and recover its original Shape before deformation, i.e. an alloy which returns to an initial state, i.e. an alloy having a "Memory" effect; of course, considering that the cost is high because the shape memory alloy ejection spring and the shape memory alloy shielding sheet are made of the shape memory alloy, the design is extremely suitable for the field of high-grade lamps which are extremely sensitive to external impurities or have other requirements in the current use field, and the design is also suitable for the field of common lamps.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A sliding lighting device, comprising:

the base body comprises a box body, a first sliding ring, a second sliding ring and a supporting bottom plate, the box body is of a hollow structure, a ventilation cavity is arranged in the box body, an air inlet and an air outlet are arranged on the box body, the air inlet and the air outlet are respectively communicated with the ventilation cavity, the air inlet is aligned with the air outlet, the first sliding ring is arranged around the edge of the box body, the air inlet is communicated with the inner space of the first sliding ring, the second sliding ring is sleeved outside the first sliding ring in a sliding manner, the first sliding ring is provided with a first air inlet hole, the second sliding ring is provided with a second air inlet hole communicated with the outside, the edge of the supporting bottom plate is fixed with the edge of the second sliding ring, and the first sliding ring is used for communicating the first air inlet hole and the second air inlet hole when moving away from the supporting bottom plate and sliding relative to the second sliding ring;

the heated ejection assembly comprises a sliding cylinder, a limiting part, an extension spring and a shape memory alloy ejection spring, wherein the first end of the sliding cylinder is fixed with the supporting bottom plate, the second end of the sliding cylinder penetrates through the box body in a sliding mode and is contained in the ventilation cavity, the limiting part is located in the ventilation cavity, the limiting part is fixed with the second end of the sliding cylinder, the extension spring is sleeved outside the sliding cylinder, two ends of the extension spring are respectively fixed with the box body and the supporting bottom plate, the extension spring is in a stretching state and used for applying acting force to the box body and the supporting bottom plate to move towards the direction close to each other, the shape memory alloy ejection spring is respectively fixed with the box body and the supporting bottom plate, and the shape memory alloy ejection spring is in a compression state and used for applying acting force to the box body and the supporting bottom plate to move towards the direction away from each other The shape memory alloy ejection spring is used for extending when being heated and deformed, and enables the first sliding ring to move towards the direction far away from the supporting bottom plate and slide relative to the second sliding ring so as to enable the first air inlet hole and the second air inlet hole to be communicated;

the heated opening assembly comprises a fixing strip and a memory alloy shielding sheet body, the fixing strip is arranged on the box body, the memory alloy shielding sheet body is connected with the fixing strip, the memory alloy shielding sheet body is attached to the box body, the memory alloy shielding sheet body is used for correspondingly shielding the air outlet, and the memory alloy shielding sheet body is used for communicating the air outlet with the outside when being heated and deformed;

the sliding protection assembly comprises an annular sliding ring and a plurality of protection shielding sheets, the protection shielding sheets are arranged on the annular sliding ring at intervals, the annular sliding ring is arranged in the annular sliding groove in a sliding manner, and the annular sliding ring is used for enabling the protection shielding sheets to correspondingly shield the LED luminous elements one by one when sliding relative to the annular sliding groove;

2. The sliding illumination device as recited in claim 1, wherein the heat sink base defines an annular embedding slot, and the end of the heat sink cylinder is embedded in the annular embedding slot.

3. The sliding lighting device according to claim 2, further comprising a threaded fastener, wherein the threaded fastener is sequentially inserted through the heat sink base and the heat dissipation cylinder, and the threaded fastener is threadedly coupled with the heat sink base and the heat dissipation cylinder, respectively.

4. The sliding lighting device according to claim 3, wherein the heat-dissipating cylinder has a hollow cylindrical structure.

5. The sliding lighting device according to claim 1, wherein the protective shield has a length greater than a height of the heat-dissipating cylinder.

6. The sliding illumination device as claimed in claim 1, wherein the LED lighting element comprises an LED lamp bead and an organic lens, the LED lamp bead is disposed on the heat dissipation barrel, the organic lens is disposed on the heat dissipation barrel, and the LED lamp bead is accommodated in the organic lens.

7. The sliding lighting fixture of claim 1 further comprising a protective sleeve disposed on the heat sink base.

8. The sliding lighting apparatus according to claim 1, wherein the motor is a stepper motor.

9. The sliding lighting device according to claim 1, wherein the annular sliding ring and the inner side wall of the annular sliding groove are provided with a lubricating layer.

10. The sliding lighting device according to claim 1, wherein a heat dissipation fan is provided inside the heat dissipation cylinder.