CN107355754B - Rotary shielding type lamp - Google Patents
Rotary shielding type lamp Download PDFInfo
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- CN107355754B CN107355754B CN201710518268.8A CN201710518268A CN107355754B CN 107355754 B CN107355754 B CN 107355754B CN 201710518268 A CN201710518268 A CN 201710518268A CN 107355754 B CN107355754 B CN 107355754B
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- heat dissipation
- heated
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- shielding
- rotating shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V15/00—Protecting lighting devices from damage
- F21V15/01—Housings, e.g. material or assembling of housing parts
- F21V15/015—Devices for covering joints between adjacent lighting devices; End coverings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
A rotary shielding type lamp comprises a heat dissipation bearing structure, a bearing lamp plate, a light source assembly and a rotary assembly, wherein the bearing lamp plate is arranged on the heat dissipation bearing structure, and an installation accommodating groove is formed in one side surface, far away from the heat dissipation bearing structure, of the bearing lamp plate; the light source component comprises a plurality of luminous bodies, and the luminous bodies are arranged in the installation accommodating groove at intervals; the rotating assembly comprises a centering rotating shaft and a shielding fan plate, the centering rotating shaft is rotatably arranged on the bearing lamp panel, the centering rotating shaft is located at the edge of the installation accommodating groove, the shielding fan plate is connected with the centering rotating shaft, and the shielding fan plate is used for respectively shielding each luminous body when the centering rotating shaft rotates, so that the service life of the light source assembly is long.
Description
Technical Field
The invention relates to the technical field of illumination, in particular to a rotary shielding type lamp.
Background
As is well known, home lighting is developed from the earliest incandescent bulb in the birth of electricity, then developed into fluorescent tube, and then developed into energy-saving lamp, halogen tungsten lamp, gas discharge lamp and LED special material lighting, and most of all lighting lamps are developed under the development of these light sources, such as electric lamp holder, fluorescent lamp bracket, various kinds of craft lamp decorations, and the like.
However, the conventional lamp light source assembly has a short service life.
Disclosure of Invention
Accordingly, there is a need for a rotary shade type lamp with a long light source assembly life.
A rotary screened luminaire comprising:
a heat dissipation bearing structure is provided,
the bearing lamp plate is arranged on the heat dissipation bearing structure, and an installation accommodating groove is formed in one side surface, far away from the heat dissipation bearing structure, of the bearing lamp plate;
the light source assembly comprises a plurality of luminous bodies, and the luminous bodies are arranged in the installation accommodating groove at intervals;
the rotating assembly comprises a centering rotating shaft and a shielding fan plate, the centering rotating shaft is rotatably arranged on the bearing lamp panel, the centering rotating shaft is located at the edge of the installation accommodating groove, the shielding fan plate is connected with the centering rotating shaft, and the shielding fan plate is used for respectively shielding each luminous body when the centering rotating shaft rotates.
In one embodiment, the heat dissipation bearing structure and the bearing lamp panel are integrally formed.
In one embodiment, the light emitter has an arc-shaped structure.
In one embodiment, the light emitter is an LED light bar.
In one embodiment, the bearing lamp panel and the heat dissipation bearing structure are both cylindrical structures.
In one embodiment, the diameter of the bearing lamp plate is the same as that of the heat dissipation bearing structure.
In one embodiment, the centering rotation shaft is located at a middle position of the carrying lamp panel.
In one embodiment, the mounting receiving groove has a fan-shaped structure.
In one embodiment, the thickness of the shielding fan plate is smaller than that of the carrying lamp plate.
In one embodiment, the distance between each two of the light emitters is equal.
When daytime need not the illumination demand and be in the sun and insolate, by drive assembly is according to sunshine intensity or external light intensity control well put rotation axis and rotate, so that it is located to shield the fan board directly over the subassembly, and then protect the light source subassembly better, when being in the night demand illumination, by drive assembly is according to sunshine intensity or external light intensity control well put rotation axis and rotate for the messenger shields the fan board and keeps away from the installation storage tank, so that the light source subassembly realizes normal illumination function, and then can make light source subassembly life longer.
Drawings
Fig. 1 is a schematic structural diagram of a rotary shielding lamp according to an embodiment of the 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 rotary screened luminaire includes: the lamp comprises a heat dissipation bearing structure, a bearing lamp plate, a light source assembly and a rotating assembly, wherein the bearing lamp plate is arranged on the heat dissipation bearing structure, and an installation accommodating groove is formed in one side surface, far away from the heat dissipation bearing structure, of the bearing lamp plate; the light source component comprises a plurality of luminous bodies, and each luminous body is arranged in the installation accommodating groove at intervals; the rotating component comprises a centering rotating shaft and a shielding fan plate, the centering rotating shaft is rotatably arranged on the bearing lamp panel, the centering rotating shaft is positioned at the edge of the installation accommodating groove, the shielding fan plate is connected with the centering rotating shaft, the shielding fan plate is used for respectively shielding each luminous body when the centering rotating shaft rotates, so that, when the sun is exposed in the daytime without lighting requirements, the driving component controls the centering rotating shaft to rotate according to the sunshine intensity or the external light intensity so as to enable the shielding fan plate to be positioned right above the component, thereby better protecting the light source component, when the lamp is in need of illumination at night, the driving component controls the centering rotating shaft to rotate according to the sunshine intensity or the external light intensity, the light source component is used for enabling the shielding fan plate to be far away from the installation accommodating groove so as to enable the light source component to realize a normal illumination function.
Referring to fig. 1, the rotary shielded lamp 10 includes: heat dissipation bearing structure 100, bear lamp plate 200, light source subassembly 300 and rotating assembly 400, bear lamp plate 200 and set up on heat dissipation bearing structure 100, light source subassembly 300 sets up on bearing lamp plate 200, and rotating assembly 400 sets up on bearing lamp plate 200 for shield protection light source subassembly 300.
Referring to fig. 1, the carrying lamp panel 200 is disposed on the heat dissipation carrying structure 100, for example, the two are integrally formed to play a heat dissipation role together. The bearing lamp plate 200 is far away from one side surface of the heat dissipation bearing structure is provided with an installation accommodating groove 210, and the installation accommodating groove 210 is used for installing the light source assembly 300.
Referring to fig. 1, the light source assembly 300 includes a plurality of light emitters 310, each of the light emitters is disposed in the installation accommodating groove at intervals, and the light source assembly 300 is used for illuminating.
Referring to fig. 1, the rotating assembly 400 includes a centering rotating shaft 410 and a shielding fan plate 420, the centering rotating shaft is rotatably disposed on the supporting lamp panel, and the centering rotating shaft is located at an edge of the installation accommodating groove, for example, a first end of the installation accommodating groove is connected to the centering rotating shaft, and a second end of the installation accommodating groove is communicated with a side edge of the supporting lamp panel; the shielding fan plate is connected with the centering rotating shaft, and the shielding fan plate is used for shielding each luminous body when the centering rotating shaft rotates, namely the luminous bodies are positioned under the shielding fan plate. For example, the rotary shade type lamp further comprises a driving component, wherein the driving component is connected with the centering rotating shaft and is used for controlling the centering rotating shaft to rotate; if so, drive assembly includes motor and control module group, for example, the control module group is provided with wifi signal transceiver unit, like this, can carry out remote control through intelligent terminal, the control module group is used for control the motor work, like this, when daytime need not the illumination demand and be in the sun when insolate, by drive assembly is according to sunshine intensity or external light intensity control well center rotation axis 410 rotates, so that shield fan board 420 and be located directly over subassembly 300, and then protect the light source subassembly better, when being in the night demand illumination, by drive assembly is according to sunshine intensity or external light intensity control well center rotation axis 410 rotates for the messenger shields fan board 420 and keeps away from the installation storage tank, so that the normal illumination function is realized to the light source subassembly.
In one embodiment, the heat dissipation bearing structure and the bearing lamp panel are an integrally formed structure; as another example, the light emitter has an arc-shaped structure; in another example, the light emitter is an LED light bar; for another example, the bearing lamp panel and the heat dissipation bearing structure are both cylindrical structures; for another example, the diameter of the bearing lamp plate is the same as that of the heat dissipation bearing structure; for another example, the centering rotating shaft is located at the middle position of the bearing lamp panel; in another example, the installation accommodating groove has a fan-shaped structure; for another example, the thickness of the shielding fan plate is smaller than that of the carrying lamp plate; for another example, the distances between every two of the light emitters are equal, so that the structural stability and the lighting effect can be improved.
It should be noted that in the heat dissipation bearing structure of the rotary shielding type lamp, since the illumination light of the light source assembly is concentrated after being emitted, an auxiliary illumination component needs to be matched, for example, the rotary shielding type lamp further includes an auxiliary illumination assembly, the auxiliary illumination assembly is connected with the heat dissipation bearing structure, and the auxiliary illumination assembly is arranged around the edge of the heat dissipation bearing structure, that is, the auxiliary illumination assembly is connected with the edge of the heat dissipation bearing structure, so that the light emitted by the rotary shielding type lamp can be more uniform on the whole and the illumination effect is better by arranging the auxiliary illumination assembly, and in addition, a protection measure needs to be taken for the auxiliary illumination assembly, for example, a measure for preventing dust and water needs to be taken for the auxiliary illumination assembly, and a better heat dissipation effect is achieved, for example, in the rotary shade lamp according to any embodiment of the present invention, the rotary shade lamp further includes a plurality of auxiliary lighting assemblies, and each of the auxiliary lighting assemblies is disposed at an edge of the heat dissipation bearing structure at intervals; each auxiliary lighting assembly is used for enabling light rays emitted by the rotary shielding type lamp to be more uniform on the whole, and the lighting effect is better. In one auxiliary lighting assembly, the auxiliary 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 light-emitting body, 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 heat dissipation bearing structure, 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 a second end of the transverse heat transfer rod in a manner of being adjacent to the second end of the transverse heat transfer rod, a second end of the heated lifting rod is connected with the sealing upper cover, an extension port is formed at the first end of the heat dissipation cup, a movable hole is formed at the second end of the heat dissipation cup, the sealing upper cover is arranged on the extension port, and the sealing upper cover is used for shielding the extension port, the heat dissipation cup comprises a heat dissipation cup, a sealing upper cover, a heat transfer ring, an auxiliary luminous body, a sealing lower cover, a transverse heat transfer rod, a heat transfer ring, a transverse luminous body, an auxiliary luminous body, a sealing upper cover, a heat transfer hole, an elastic wire and a heat transfer ring, wherein the sealing upper cover is used for driving the sealing upper cover to move in the direction away from the extension port when the heat transfer ring is arranged on the inner side wall of the heat dissipation cup, the heat transfer ring is arranged on the inner side wall of the heat dissipation cup and is adjacent 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 luminous body is arranged on the second end of the heat transfer ring, the heat transfer ring is used for driving the auxiliary luminous body to penetrate through the extension port when the heat transfer ring is heated, the auxiliary luminous body is exposed, 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 have better heat dissipation effects, and enable the light emitted by the rotary shielding type lamp to be more uniform on the whole and have better lighting effects, for example, the rotary shielding type lamp further comprises a plurality of auxiliary lighting assemblies, and each auxiliary lighting assembly is arranged at the edge of the heat dissipation bearing structure at intervals, so that each auxiliary lighting assembly is used for enabling the light emitted by the rotary shielding type lamp to be more uniform on the whole, and the lighting effects are better, that is, when the normal light emitting component cannot ensure that the light emitting component has a better lighting effect, the auxiliary lighting assembly needs to be additionally arranged to improve the lighting effects such as the uniformity and the brightness of the whole lighting.
For example, in one of the auxiliary lighting assemblies, the auxiliary lighting assembly includes a transverse heat transfer rod, a heat dissipation cup, a heated raising rod, an upper sealing cover, a heat transfer ring, a heated raising installation core, an auxiliary light emitting body, a rotating shaft, a lower sealing cover, and an elastic wire, a first end of the transverse heat transfer rod is connected to the heat dissipation bearing structure, 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 dissipation bearing structure can be quickly transferred to the heat dissipation cup through the transverse heat transfer rod, so as to assist the heat dissipation bearing structure to perform a heat dissipation function, that is, the heat dissipation cup is used to share a heat dissipation load with the heat dissipation bearing structure. 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 luminous body emits light, the heat dissipation bearing structure can transfer heat to the transverse heat transfer rod, further, 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 sealing upper cover, the first end of the heat dissipation cup is provided with an extension port, the second end of the heat dissipation cup is provided with a movable hole, the sealing upper cover is arranged on the extension port and used for shielding the extension port, and when the heated raising rod is heated and raised, the sealing upper cover is driven to move in a direction away from the extension port so as to open the extension port, that is, when the heat dissipation bearing structure sequentially transfers heat from the light-emitting body to the transverse heat transfer rod, the heat dissipation cup and the heated lifting rod, the heated lifting rod is deformed by heating, so that the sealing upper cover originally covered on the extension port moves in a direction away from the extension port, so that the extension port is open, and the heat dissipation effect is good, of course, when the heated lifting rod is heated, that is, when the light-emitting body is not lit, the heat dissipation bearing structure does not absorb heat from the light-emitting body, that is, when the rotary shielded lamp is not powered on, the heated lifting rod cannot be lifted, and at this time, the sealing upper cover is in a state of shielding the extension port, and at this time, the dustproof and waterproof effects can be achieved, for example, when the lamp is not turned on in daytime, the dustproof and waterproof effects 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 luminous body is arranged at the second end of the heated raised installation core, so that when the luminous body emits light and the extension opening is open, the heated raised installation core is heated and raised to drive the auxiliary luminous body to pass through the extension opening, namely the auxiliary luminous body extends out of the extension opening to the external environment, and the auxiliary luminous body is exposed out of the heat dissipation cup, so that the auxiliary luminous body can play a normal illumination effect, when the lamp is not electrified, the sealing upper cover can be used for shielding the extension opening, the heated and raised installation core is not raised, and the heated and raised installation core and the auxiliary luminous body are accommodated in the heat dissipation cup, so that the auxiliary luminous body 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 rays emitted by the auxiliary light emitting body, so that the light rays are better irradiated to the outside.
For another example, in an embodiment, the heat dissipation bearing structure of the rotary shielded lamp takes the main heat dissipation task, that is, the actual heat dissipation amount of the heat dissipation bearing structure is the largest, in order to pursue better heat dissipation performance, the heat dissipation bearing structure is usually designed to be a solid structure, however, the heat dissipation bearing structure of the solid structure is too heavy, which is not favorable for transportation and handling, and wastes more materials, and for the above reasons, in order to make the heat dissipation bearing structure 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 dissipation bearing structure, 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 other end of the heat dissipation vents, so as to achieve the air convection heat dissipation effect, and further improve the overall heat dissipation performance of the heat dissipation bearing structure, that is, the outside air flow, 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 heat dissipation bearing structure inside, the easy entering of external impurity and deposit in louvre or heat dissipation vent lead to inside easy impurity accumulational problem that appears of heat dissipation bearing structure, for example, impurity includes dust, steam and insect etc. if again, impurity accumulational is dust, drop of water and/or insect shell etc..
For example, in order to reduce the problem of impurity accumulation in the heat dissipation bearing structure and achieve the advantages of light weight and good heat dissipation performance, for example, in the rotary shielded lamp according to any embodiment of the present invention, the heat dissipation bearing structure 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 heat dissipation bearing structure has the advantage that the quality is light, 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 of the shape memory alloy ejection springs of the heated ejection assembly is in a heated state, and each of the shape memory alloy shielding sheet bodies of the heated opening assembly is in a heated state, that is, when heated, heat generated when each of the luminous bodies of the rotary shielding type lamp works and emits light is transferred to the heat dissipation bearing structure, so that each of the shape memory alloy ejection springs of the heated ejection assembly is heated, and each of the shape memory alloy shielding sheet bodies of the heated opening assembly is heated, and of course, when the heated ejection assembly is not heated, and when the heated opening assembly is not heated, each of the luminous bodies of the rotary shielding type lamp stops being energized 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 shape of the extension spring is changed little by the temperature rise caused by the heat emitted by the luminous body; however, since the shape memory alloy urging spring is made of a memory alloy, a large shape change is caused when the temperature is increased by the heat generated from the light emitter. 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 dirt effect, reduce external impurity and get into in the heat dissipation bearing structure, have dustproof and convection current radiating effect promptly concurrently, memory alloy shields the lamellar body and plays when being used for 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 inlet air hole reaches second inlet air hole intercommunication, because second inlet air hole and external intercommunication, consequently, as long as when the luminous body 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.
For another example, in order to reduce the problem of impurity accumulation in the heat dissipation bearing structure and combine the advantages of light weight and good heat dissipation performance, for example, in the rotary shielded lamp according to any embodiment of the present invention, the heat dissipation bearing structure 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 heat dissipation bearing structure has the advantage that the quality is light, 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 of the shape memory alloy ejection springs of the heated ejection assembly is in a heated state, and each of the shape memory alloy shielding sheet bodies of the heated opening assembly is in a heated state, that is, when heated, heat generated when each of the luminous bodies of the rotary shielding type lamp works and emits light is transferred to the heat dissipation bearing structure, so that each of the shape memory alloy ejection springs of the heated ejection assembly is heated, and each of the shape memory alloy shielding sheet bodies of the heated opening assembly is heated, and of course, when the heated ejection assembly is not heated, and when the heated opening assembly is not heated, each of the luminous bodies of the rotary shielding type lamp stops being energized 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 shape of the extension spring is changed little by the temperature rise caused by the heat emitted by the luminous body; however, since the shape memory alloy urging spring is made of a memory alloy, a large shape change is caused when the temperature is increased by the heat generated from the light emitter. 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 entering of external impurities into the heat dissipation bearing structure, that is, the memory alloy shielding sheet has both dustproof and convection heat dissipation effects, and 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 open and directly communicated with the outside, and based on the shape memory alloy ejection spring being in a heated state, the first air inlet hole and the second air inlet hole can be communicated, and because the second air inlet hole is also communicated with the outside, as long as the light-emitting body 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 heat dissipation bearing structure is isolated from the outside air, so that external impurities are prevented from entering the heat dissipation bearing structure.
The heat dissipation bearing structure of the rotary shielding type lamp is provided with the base body, the heated ejector component and the heated lifting component, so that the problem of impurity accumulation in the heat dissipation bearing structure can be solved, and the rotary shielding type lamp has the advantages of light weight and good heat dissipation performance.
It should be noted that, when the shape memory alloy shielding sheet and the shape memory alloy ejection spring are heated, the heat generated by each illuminant of the rotary shielding type lamp when the illuminant works and emits light is transferred to the box body, the first sliding ring, the second sliding ring and the support bottom plate of the heat dissipation bearing structure, so that the shape memory alloy shielding sheet and the shape memory alloy ejection spring are heated Status. 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 (10)
1. A rotary screened luminaire comprising:
a heat dissipation bearing structure is provided,
the bearing lamp plate is arranged on the heat dissipation bearing structure, and an installation accommodating groove is formed in one side surface, far away from the heat dissipation bearing structure, of the bearing lamp plate;
the light source assembly comprises a plurality of luminous bodies, and the luminous bodies are arranged in the installation accommodating groove at intervals;
the rotating assembly comprises a centering rotating shaft and a shielding fan plate, the centering rotating shaft is rotatably arranged on the bearing lamp panel and is positioned at the edge of the installation accommodating groove, the shielding fan plate is connected with the centering rotating shaft, and the shielding fan plate is used for respectively shielding each luminous body when the centering rotating shaft rotates;
the rotary shielding type lamp further comprises a plurality of auxiliary lighting assemblies, each auxiliary lighting assembly is arranged at the edge of the heat dissipation bearing structure at intervals, each auxiliary 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 luminous body, a rotating shaft, a sealing lower cover and an elastic wire, a first end of the transverse heat transfer rod is connected with the heat dissipation bearing structure, 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 a second end of the transverse heat transfer rod in a mode of being adjacent to the second end of the transverse heat transfer rod, a 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, the sealing upper cover is covered on the extension opening, the sealing upper cover is used for shielding the extension opening, when the heated jacking rod is heated to be lifted, the sealing upper cover is used for driving the sealing upper cover to move in the direction away from the extension opening so as to open the extension opening, 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 first end of the heated jacking installation core is fixed with the heat transfer ring, the auxiliary luminous body is arranged on the second end of the heated jacking installation core, when the heated jacking installation core is heated to be lifted, the auxiliary luminous body is driven to penetrate through the extension opening and is exposed outside the heat dissipation cup, the rotating shaft is arranged at the edge position of the movable hole, and the sealing lower cover is rotatably connected with the rotating shaft, the sealing lower cover is used for shielding the movable hole, the first end of the elastic wire is connected with the sealing upper cover, the second end of the elastic wire is connected with the sealing lower cover, and when the sealing upper cover moves away from the extending opening, the sealing upper cover is used for driving the sealing lower cover to rotate relative to the rotating shaft through the elastic wire and enabling the movable hole to be opened.
2. The rotary screened lamp as claimed in claim 1, wherein the heat dissipation supporting structure and the supporting lamp panel are integrally formed.
3. The rotary screened lamp of claim 1, wherein the light emitter has an arc-shaped configuration.
4. The rotary screened lamp of claim 3, wherein the light emitter is an LED light bar.
5. The rotary screened lamp as claimed in claim 1, wherein the lamp panel and the heat dissipation structure are both cylindrical structures.
6. The rotary screened luminaire of claim 5 wherein the diameter of the load-bearing lamp panel is the same as the diameter of the heat-dissipating load-bearing structure.
7. The rotary screened luminaire of claim 1 wherein the centering axis of rotation is located at a mid-portion of the load-bearing lamp panel.
8. The rotary screened lamp of claim 1, wherein the mounting receiving slot has a fan-shaped configuration.
9. The rotary screened lamp recited in claim 1 wherein the thickness of the screening fan plate is less than the thickness of the carrier lamp plate.
10. The rotary screened luminaire of claim 1 wherein the distance between each two of the luminaries is equal.
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| CN201710518268.8A CN107355754B (en) | 2017-06-29 | 2017-06-29 | Rotary shielding type lamp |
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| CN201710518268.8A CN107355754B (en) | 2017-06-29 | 2017-06-29 | Rotary shielding type lamp |
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| CN107355754B true CN107355754B (en) | 2020-03-24 |
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| CN108776105B (en) * | 2018-08-14 | 2024-04-12 | 成都曙光光纤网络有限责任公司 | Reflection spectrum detection device and sample component detection device |
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| CN102913776A (en) * | 2011-08-06 | 2013-02-06 | 都江堰市华刚电子科技有限公司 | LED (Light-Emitting Diode) illuminating device with rotary light source |
| CN102913845A (en) * | 2011-08-06 | 2013-02-06 | 都江堰市华刚电子科技有限公司 | Lighting device with double light emitting bodies |
| CN203190186U (en) * | 2013-04-03 | 2013-09-11 | 东莞巨扬电器有限公司 | Lighting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI244578B (en) * | 2004-10-08 | 2005-12-01 | Coretronic Corp | Light blocking apparatus |
| DE202012004380U1 (en) * | 2012-05-06 | 2012-06-28 | Corinna Berghoff | lampshade |
| CN104456400B (en) * | 2013-09-13 | 2018-11-27 | 海洋王（东莞）照明科技有限公司 | Warning lamp |
| CN103542366A (en) * | 2013-11-15 | 2014-01-29 | 苏州市相城区明达复合材料厂 | Novel shading lampshade |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913776A (en) * | 2011-08-06 | 2013-02-06 | 都江堰市华刚电子科技有限公司 | LED (Light-Emitting Diode) illuminating device with rotary light source |
| CN102913845A (en) * | 2011-08-06 | 2013-02-06 | 都江堰市华刚电子科技有限公司 | Lighting device with double light emitting bodies |
| CN203190186U (en) * | 2013-04-03 | 2013-09-11 | 东莞巨扬电器有限公司 | Lighting device |
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