CN107327748B - Heat-dissipating lighting device - Google Patents

Abstract

A heat dissipation lighting device comprises a heat radiator, a triangular mounting seat, a mounting sleeve body, a turnover assembly, a light source assembly and a turnover driving assembly, wherein the triangular mounting seat is arranged on the heat radiator; the mounting sleeve body is sleeved outside the radiator, the overturning assembly comprises three overturning parts, in one overturning part, each overturning part comprises a mounting shaft and an overturning plate body, a first end of the mounting shaft is rotatably connected with the triangular mounting seat, a second end of the mounting shaft is rotatably connected with the inner side wall of the mounting sleeve body, and the overturning plate body is arranged on the mounting shaft; the light source component comprises three LED luminous pieces, and the three LED luminous pieces are correspondingly arranged on the three turnover plate bodies one by one; the overturning driving assembly comprises a control module and three motors, the rotating shafts of the three motors are in one-to-one correspondence with the three mounting shafts, the control module is electrically connected with the three motors respectively and used for controlling the motors to drive the mounting shafts and the LED light-emitting pieces to rotate, and therefore the service life of the light source assembly can be prolonged.

Description

Cooling Lighting

technical field

The invention relates to the technical field of lighting, in particular to a heat dissipation lighting device.

Background technique

At present, modern lamps include home lighting, commercial lighting, industrial lighting, road lighting, landscape lighting, special lighting, etc. From the birth of electricity, household lighting appeared the earliest incandescent light bulbs, and later developed into fluorescent tubes, and then later energy-saving lamps, halogen lamps, halogen tungsten lamps, gas discharge lamps and LED lighting with special materials, etc., all lighting fixtures are mostly It is still developed under the development of these light sources, such as from lamp holders to fluorescent lamp brackets to various craft lighting.

However, the existing lamps have the problem of short service life of the light source components.

Contents of the invention

Based on this, it is necessary to provide a heat dissipation lighting device with a longer service life of the light source components.

A heat dissipation lighting device comprising:

heat sink,

a triangular mounting seat, the triangular mounting seat is arranged on the radiator;

An installation sleeve, the installation sleeve is placed outside the radiator, and the installation sleeve is arranged around the triangular mounting seat;

A flipping assembly, the flipping assembly includes three flipping parts, the three flipping parts are respectively arranged on the three side edges of the triangular mounting seat, and in one of the flipping parts, the flipping part includes a mounting shaft And the turning plate body, the first end of the installation shaft is rotatably connected with the triangular mounting seat, the second end of the installation shaft is rotatably connected with the inner side wall of the installation sleeve body, and the turning plate body is arranged on the above the installation shaft;

A light source assembly, the light source assembly includes three LED light-emitting parts, and the three LED light-emitting parts are arranged on the three flip boards one by one. In one of the LED light-emitting parts, the LED light-emitting parts include A plurality of LED lamp beads, each of which is arranged at intervals on one side of the flip plate;

The overturning drive assembly, the overturning drive assembly includes a control module and three motors, the rotation shafts of the three motors are connected to the three installation shafts one by one, and the control module is connected to the three motors respectively. The electromechanical connection is used to control the motor to drive the installation shaft and the LED light-emitting part to rotate.

In one of the embodiments, the heat sink has a cylindrical structure.

In one of the embodiments, a reflective portion is provided on a side of the triangular mounting seat away from the heat sink.

In one of the embodiments, the reflective part is provided with a reflective curved surface.

In one embodiment, the installation sleeve body has a cylindrical structure, and a reflective film layer is provided on the inner side wall of the installation sleeve body.

In one of the embodiments, the flip plate body has a cuboid structure.

In one of the embodiments, the flip plate body is provided with an installation through hole, and the installation shaft passes through the installation through hole.

In one of the embodiments, the installation shaft has a round rod-like structure.

In one embodiment, the LED lamp beads are distributed in a rectangular array on one side of the flip board.

In one of the embodiments, the motor is in drive connection with the installation shaft through a gear.

When there is no need for lighting during the day and it is exposed to the sun, the control module drives the installation shaft to rotate through the motor according to the intensity of sunlight or external light. For example, the control module is provided with a light collection sensor, which then drives the turning plate The body is rotated so that one side of the flip plate body on which the LED luminous element is installed faces the heat sink, so as to better shield and protect the light source assembly. When lighting is required in the dark, the One side of the flip plate of the LED light-emitting element faces away from the heat sink, so that the LED light-emitting element can perform normal lighting operations, thereby enabling a longer service life of the light source assembly.

Description of drawings

1 is a schematic structural diagram of a heat dissipation lighting device according to an embodiment of the present invention;

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

Detailed ways

In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. 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 similar expressions are used herein for purposes of illustration only and are not intended to represent the only embodiments.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terminology used herein in the description of the present invention is only for the purpose of describing specific embodiments, and is not intended to limit the present 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 heat-dissipating lighting device includes: a radiator, a triangular mounting base, a mounting sleeve, an overturning assembly, a light source assembly, and an overturning drive assembly, the triangular mounting base is set on the radiator; the installation The sleeve is placed outside the radiator, and the installation sleeve is arranged around the triangular mounting seat; the turning assembly includes three turning parts, and the three turning parts are respectively arranged on On the three side edges, in one of the flippers, the flipper includes a mounting shaft and a flipping plate body, the first end of the mounting shaft is rotatably connected to the triangular mounting base, and the second end of the mounting shaft The two ends are rotatably connected to the inner side wall of the installation sleeve, and the flip plate is arranged on the installation shaft; the light source assembly includes three LED light-emitting parts, and the three LED light-emitting parts are respectively arranged on the On the three flipping boards, in one of the LED lighting parts, the LED lighting part includes a plurality of LED lamp beads, and each of the LED lamp beads is arranged at intervals on one side of the flipping board; The overturn drive assembly includes a control module and three motors, the rotating shafts of the three motors are connected to the three installation shafts one by one, and the control module is electrically connected to the three motors respectively. To control the motor to drive the installation shaft and the LED light-emitting part to rotate, so that when there is no need for lighting during the day and the sun is in the sun, the control module drives the installation shaft to rotate through the motor according to the intensity of sunlight or the intensity of external light For example, the control module is provided with a light collection sensor, and then drives the turning board to rotate, so that one side of the turning board installed with the LED light-emitting element faces the radiator, so as to better Shading and protecting the light source assembly, when lighting is required in the dark, make one side of the flip plate on which the LED luminous element is installed away from the heat sink, so that the LED luminous element performs normal lighting operation, Furthermore, the service life of the light source assembly can be made longer.

The heat dissipation lighting device will be described below in combination with specific embodiments, so as to further understand the concept of the heat dissipation lighting device. Please refer to FIG. Turning component 400, light source component 500 and turning drive component, triangular mounting base 200 and mounting sleeve body 300 are arranged on radiator 100 respectively, flipping component 400 is connected with triangular mounting base 200 and mounting sleeve body 300 respectively, light source component 500 is arranged on On one side of the triangular mounting base 200 , the turning drive assembly is used to drive the turning assembly 400 to rotate, so that the light source assembly 500 faces or faces away from the heat sink 100 .

Please refer to Fig. 1, the triangular mounting base 200 is arranged on the radiator 100, the mounting sleeve 300 is placed outside the radiator 100, the triangular mounting base 200 is located in the mounting sleeve 200, the triangular mounting base 200 and the installation sleeve 300 are used for installing the turning assembly 400 . For example, there is a space between the triangular mounting base and the inner side wall of the mounting sleeve. For example, the installation sleeve is arranged around the triangular installation seat.

Please refer to FIG. 1 , the turning assembly 400 includes three turning pieces 410 , and the three turning pieces 410 are respectively arranged on the three side edges of the triangular mount 200 , and in one turning piece 410 , the The flipping member 410 includes a mounting shaft 411 and a flipping plate body 412, the first end of the mounting shaft 411 is rotatably connected to the triangular mount 200, the second end of the mounting shaft 411 is connected to the inner side of the mounting sleeve 300 The walls are rotatably connected, and the flip plate body 412 is arranged on the installation shaft 411. When the installation shaft rotates relative to the triangular mounting seat, it can drive the flip plate body to rotate relative to the triangular mounting seat.

Please refer to FIG. 1 , the light source assembly 500 includes three LED light-emitting parts 510, and the three LED light-emitting parts are arranged on the three flipping boards one by one. In one of the LED light-emitting parts 510, the LED The luminous element 510 includes a plurality of LED lamp beads 511, and each of the LED lamp beads is arranged at intervals on one side of the flip plate body, so that when one side of the flip plate body on which the LED light emitting element is installed faces the When the heat sink is used, it can shield and protect the LED light-emitting parts. When one side of the flip plate on which the LED light-emitting parts is installed is away from the heat sink, the LED light-emitting parts perform normally. The light-emitting operation, that is, the flipped plate body will not affect the normal lighting of the LED light-emitting parts.

For example, the turning drive assembly includes a control module and three motors, the rotation shafts of the three motors are connected to the three installation shafts one by one, and the control module is electrically connected to the three motors respectively. connection, used to control the motor to drive the installation shaft and the LED light-emitting part to rotate, so that when there is no need for lighting during the day and the sun is exposed to the sun, the control module drives the motor through the motor according to the intensity of sunlight or the intensity of external light The installation shaft 411 rotates, for example, the control module is provided with a light collection sensor, and then drives the turning board to rotate, so that one side of the turning board installed with the LED light-emitting element faces the radiator, In order to better shield and protect the light source assembly, when lighting is required in the dark, one side of the flip plate body on which the LED light-emitting part is installed is turned away from the heat sink, so that the LED light-emitting part can perform normally. The lighting operation of the light source can make the service life of the light source component longer.

In one embodiment, the heat sink has a cylindrical structure; as another example, a reflective part is provided on the side of the triangular mounting seat away from the heat sink; as another example, a reflective curved surface is provided on the reflective part, so that Improve the light distribution effect, and then improve the lighting effect; as another example, the installation sleeve body has a cylindrical structure, and a reflective film layer is provided on the inner side wall of the installation sleeve body; as another example, the flip plate body has a cuboid structure As another example, the flip plate body is provided with an installation through hole, and the installation shaft passes through the installation through hole; as another example, the installation shaft has a round rod-shaped structure, so that the stability of the overall structure can be improved, And it is more convenient to disassemble; as another example, the LED lamp beads are distributed in a rectangular array on one side of the flip board; as another example, the motor is connected to the installation shaft through a gear, so that further Improve lighting effects.

It should be noted that, in the heat sink of the heat dissipation lighting equipment, since the illumination light of the light source assembly is relatively concentrated after exiting, auxiliary lighting components are required for cooperation. For example, the heat dissipation lighting equipment also includes auxiliary lighting Assemblies, the auxiliary lighting assembly is connected with the radiator, and the auxiliary lighting assembly is arranged around the edge of the radiator, that is, the auxiliary lighting assembly is connected with the edge of the radiator, so that by setting the The auxiliary lighting assembly can make the light emitted by the heat dissipation lighting equipment more uniform on the whole, and the lighting effect is better. In addition, it is necessary to take protective measures for the auxiliary lighting assembly, for example, it needs to be dustproof Waterproof measures, and have good heat dissipation effect. For example, in the heat dissipation lighting device according to any embodiment of the present invention, the heat dissipation lighting device also includes a plurality of auxiliary lighting components, and each of the auxiliary lighting components is spaced apart from each other. It is arranged on the edge of the heat sink; wherein, each of the auxiliary lighting components is used to make the light emitted by the heat dissipation lighting equipment more uniform on the whole, so that the lighting effect is better. In one auxiliary lighting assembly, the auxiliary lighting assembly includes a horizontal heat transfer rod, a heat dissipation cup, a heated lifting rod, a sealing upper cover, a heat transfer ring, a heating rising installation core, an auxiliary lamp bead, a rotating shaft, a sealing The lower cover and the elastic wire, the first end of the transverse heat transfer rod is connected to the radiator, the second end of the transverse heat transfer rod is connected to the outer side wall of the heat dissipation cup, and the heated lifter The first end is connected to the outer side wall of the heat dissipation cup, and the first end of the heated lifter is connected adjacent to the second end of the transverse heat transfer rod, and the second end of the heated lifter is connected to the The sealing upper cover is connected, the first end of the heat dissipation cup is provided with a protruding opening, the second end of the heat dissipating cup is provided with a movable hole, the sealing upper cover is arranged on the protruding opening, and the sealing upper cover It is used to cover the protruding opening, and when the heated lifter is heated, it is used to drive the sealing upper cover to move away from the protruding opening, so that the protruding opening is opened, and the heat transfer ring is set On the inner side wall of the heat dissipation cup, and the heat transfer ring is arranged adjacent to the first end of the transverse heat transfer rod, the first end of the heated raised mounting core is fixed to the heat transfer ring, so The auxiliary lamp bead is arranged on the second end of the heated and raised installation core, and when the heated and raised installation core is heated and raised, it is used to drive the auxiliary lamp bead to pass through the protruding opening, and make the The auxiliary lamp bead is exposed outside the heat dissipation cup, the rotating shaft is arranged at the edge of the movable hole, the lower sealing cover is rotatably connected with the rotating shaft, and the lower sealing cover is used to cover the The movable hole, the first end of the elastic wire is connected to the sealing upper cover, the second end of the elastic wire is connected to the sealing lower cover, when the sealing upper cover moves away from the direction of the protruding opening, It is used to drive the sealing lower cover to rotate relative to the rotating shaft through the elastic wire, and open the movable hole.

In order to achieve a better dustproof and waterproof effect, and to have a better heat dissipation effect, and to make the light emitted by the heat dissipation lighting device more uniform on the whole, and the lighting effect is better, for example, please refer to FIG. 2 , the heat dissipation lighting device further includes a plurality of auxiliary lighting assemblies 900, and each of the auxiliary lighting assemblies 900 is arranged at intervals on the edge of the heat sink 100, so that each of the auxiliary lighting assemblies is used to make the heat dissipation lighting device emit light. The light is more uniform on the whole, so that the lighting effect is better, that is to say, when the normal light-emitting parts cannot ensure that it has a better lighting effect, it is necessary to additionally set the auxiliary lighting components to improve the uniformity of the overall lighting Lighting effects such as intensity and brightness.

For example, in one auxiliary lighting assembly, the auxiliary 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, and a heated lifting mounting core 960. , auxiliary lamp bead 970, rotating shaft 980, sealing lower cover 990 and elastic wire 990a, the first end of the horizontal heat transfer rod is connected to the radiator, the second end of the horizontal heat transfer rod is connected to the heat sink The outer wall of the cup is connected, so that the heat on the heat sink can be quickly transferred to the heat dissipation cup through the transverse heat transfer rod, which is used to assist the heat sink to play a role in heat dissipation, that is, the heat dissipation cup It is used to share the heat dissipation load with the radiator. The first end of the heated lifter is connected to the outer wall of the heat dissipation cup, and the first end of the heated lifter is connected adjacent to the second end of the transverse heat transfer rod, so that when the LED When the lamp bead emits light, the radiator will transfer heat to the horizontal heat transfer rod, and further, the heat transferred from the lateral heat transfer rod to the heat dissipation cup can be quickly transferred to the lateral heat transfer rod On the rod, the second end of the heated lifting rod is connected to the sealing upper cover, the first end of the heat dissipation cup is provided with a protruding opening, the second end of the heat dissipation cup is provided with a movable hole, and the sealing The upper cover is arranged on the protruding opening, the sealing upper cover is used to cover the protruding opening, and when the heated lifter is heated, it is used to drive the sealing upper cover away from the direction of the protruding opening to open the opening, that is to say, when the radiator transfers the heat from the LED lamp bead to the horizontal heat transfer rod, the heat dissipation cup and the heated lifter in sequence When heated, the heated lifter will be heated and deformed, so that the sealed upper cover originally covered on the protruding opening moves in a direction away from the protruding opening, so that the protruding opening is opened, and the heat dissipation effect is better. Well, of course, when the heated lifter is heated, that is, when the LED lamp bead is not emitting light, and when the heat sink is not absorbing heat from the LED lamp bead, that is, when the heat dissipation lighting device is not powered on , the heated lifting rod will not stand up. At this time, the sealing upper cover is in the state of covering the protruding opening. At this time, it can play the role of dustproof and waterproof. For example, when the lamp is not turned on during the day, It can play the role of dustproof and waterproof, and when the lamp is turned on at night, it can also play a better heat dissipation effect. The heat transfer ring is arranged on the inner side wall of the heat dissipation cup, and the heat transfer ring is arranged adjacent to the first end of the transverse heat transfer rod, and the heat transfer ring can better absorb heat from the transverse heat transfer rod. heat from the first end of the heating rod, the first end of the heated raised installation core is fixed to the heat transfer ring, and the auxiliary lamp bead is arranged on the second end of the heated raised installation core, so that , because the heated uplifted installation core is connected with the heat transfer ring, when the LED lamp bead emits light and the extension opening is open, when the heated uplifted installation core is heated up, it is used to drive the auxiliary The lamp bead passes through the protruding opening, that is, the auxiliary lamp bead protrudes from the protruding opening to the external environment, and the auxiliary lamp bead is exposed outside the heat dissipation cup, so that the auxiliary lamp The bead can play a normal lighting effect, and when the lamp is not powered on, the sealing upper cover can be used to cover the protruding opening, and the heated and raised mounting core is not raised, and it is in harmony with the auxiliary lamp bead. Accommodated in the heat dissipation cup, it is used to protect the auxiliary lamp bead and play the role of waterproof and dustproof. The rotating shaft is arranged at the edge of the movable hole, the lower sealing cover is rotatably connected with the rotating shaft, the lower sealing cover is used to cover the movable hole, and the first end of the elastic wire is connected to the rotating shaft. The sealing upper cover is connected, and the second end of the elastic wire is connected to the sealing lower cover. When the sealing upper cover moves away from the direction of the protruding opening, the sealing upper cover is used to pass the elastic ribbon The lower sealing cover is moved to rotate relative to the rotating shaft. At this time, the lower sealing cover moves towards the direction close to the upper sealing cover, that is, the lower sealing cover moves away from the movable hole, and makes the The movable hole is open, so that when the lamp is energized, the protruding opening and the movable hole can be respectively communicated with the outside world, so that the effect of convection and heat dissipation can be enhanced. For example, a reflective layer is provided on a side of the sealed upper cover facing the heat dissipation cup, and the reflective layer reflects the light emitted by the auxiliary lamp bead so that it can be better irradiated to the outside.

As another example, in one embodiment, the heat sink of the heat dissipation lighting device undertakes the main heat dissipation task, that is, the actual heat dissipation amount undertaken by the heat sink is the largest. In order to pursue better heat dissipation performance, the heat sink is usually It is designed as a solid structure. However, a radiator with a solid structure is too bulky, which is not conducive to transportation and handling, and wastes materials. Based on the above reasons, in order to make the radiator have the advantages of light weight and good heat dissipation performance, it is usually used in heat dissipation There are multiple through heat dissipation holes or heat dissipation vents on the device, and the outside air flows from one end of the heat dissipation holes or heat dissipation vents to the other end of the heat dissipation holes or heat dissipation vents to achieve the effect of air convection heat dissipation, thereby improving heat dissipation. The overall heat dissipation performance of the radiator, that is, the use of the airflow flowing outside is used to take away the heat on the radiator to improve the overall heat dissipation performance, and opening multiple through heat dissipation holes or heat dissipation vents can also achieve light weight. However, the following problems still exist in the design of heat dissipation holes or heat dissipation vents to achieve convection heat dissipation: since the heat dissipation holes or heat dissipation vents are located inside the radiator, external impurities are easy to enter and deposit in the heat dissipation holes or heat dissipation vents. This leads to the problem that impurities are prone to accumulate inside the radiator. For example, the impurities include dust, water vapor, and insects.

An example is, in order to reduce the problem of impurity accumulation in the heat sink, and to have the advantages of light weight and good heat dissipation performance, for example, in the heat dissipation lighting device described in any embodiment of the present invention, the The radiator includes: a base body, a heated push-off assembly and a heated lift-off assembly, the heated push-off assembly is arranged in the base body, and the heated push-off assembly is used to make the inside of the base body The space communicates with the outside world, and the heated opening assembly is set on the base body, and the heated opening assembly is used to communicate the base body with the outside world when heated; wherein, the base body bears the main practical heat dissipation, the heated ejector assembly is used to isolate the communication relationship between the ventilation cavity in the base body and the outside world when it is not heated, and is used to prevent impurities from entering, and the heated ejector assembly is used to At this time, the internal space in the base body is communicated with the outside world, so as to enhance the air circulation and achieve convection heat dissipation. The heated opening assembly is used to close the inner space of the base body to prevent the entry of foreign impurities, and the heated opening assembly is used to automatically open when heated, that is, the partial structure of the heated opening assembly is the same as that of the When the base body is separated, the inner space in the base body is opened, so that the inner space in the base body communicates with the outside world, thereby achieving the effect of convective heat transfer. The base body includes a box body, a first sliding ring, a second sliding ring and a supporting base plate, the box body has a hollow structure, the box body is provided with a ventilation cavity, and the box body is provided with an air inlet and an air outlet , the air inlet and the air outlet are respectively communicated with the ventilation cavity, and the air inlet and the air outlet are aligned, the first sliding ring is arranged around the edge of the box, and the The air inlet communicates with the inner space of the first sliding ring, the sliding sleeve of the second sliding ring is placed outside the first sliding ring, the first sliding ring is provided with a first air inlet hole, and the second sliding ring is provided with a first air inlet hole. The sliding ring is provided with a second air inlet hole communicating with the outside world, the edge of the supporting bottom plate is fixed to the edge of the second sliding ring, and the first sliding ring faces away from the supporting bottom plate and is opposite to the The second sliding ring is used to communicate with the first air inlet hole and the second air inlet hole when sliding. Wherein, through the ventilation cavity provided in the box, and the hollow structure of the first sliding ring and the second sliding ring, the heat sink can have the advantage of light weight, when the following air convection path: outside air - the second air inlet hole - the first air inlet hole - the outer wall of the box, the first sliding ring, the second sliding ring and the supporting bottom plate together form a closed cavity - The air inlet-the ventilation cavity-the air outlet-outside air, when in the working state, can achieve convective heat dissipation effect, thereby improving the overall heat dissipation performance, the second air inlet and the first When the air inlet hole is not connected, the first sliding ring is used to prevent external impurities from entering into the outer wall of the box body, the first sliding ring, the second sliding ring and the supporting bottom plate together form a inside a closed cavity. It should be pointed out that each of the shape memory alloy ejecting springs of the heated ejection assembly is in a heated state, and each of the shape memory alloy shielding sheets of the heated flip assembly is in a heated state, that is, when heated, it is It means that the heat generated when the LED lamp beads of the heat dissipation lighting equipment work and emit light is transferred to the radiator, so that the shape memory alloy push springs of the heated push components are heated, and the parts of the heated push components are opened. Each of the shape memory alloy shielding sheets is heated. Of course, when the heated push-off component is not heated, and the heated flip component is not heated, it means that each of the LED lamp beads of the heat dissipation lighting device stops being energized. Not glowing. The heated ejecting assembly includes a sliding cylinder, a limiting part, a tension spring and a shape memory alloy ejecting spring, the first end of the sliding cylinder is fixed to the supporting bottom plate, and the first end of the sliding cylinder is The two ends slide through the box and are accommodated inside the ventilation cavity, the limiting part is located inside the ventilation cavity, and the limiting part is in contact with the second end of the sliding cylinder. fixed, the tension spring sleeve is placed outside the sliding cylinder, and the two ends of the tension spring are respectively fixed with the box and the support base, the tension spring is in a stretched state and is used for Apply an active force towards the direction of moving closer to each other to the box body and the support base plate, the shape memory alloy pushing springs are respectively fixed with the box body and the support base plate, and the shape memory alloy pushing springs It is in a compressed state and used to apply force to the box body and the supporting bottom plate to move away from each other, and the shape memory alloy pushing spring is used to elongate when heated and deformed, and make the first sliding ring Sliding in a direction away from the supporting bottom plate and relative to the second sliding ring is used to communicate with the first air inlet hole and the second air inlet hole. For example, the material of the tension spring is alloy steel, and the temperature rise caused by the heat emitted by the LED lamp bead has little change in its shape; however, since the material of the shape memory alloy pushing spring is Memory alloy, which will cause a large shape change when the temperature rises caused by the heat emitted by the LED lamp bead. Wherein, when the shape memory alloy pushing spring is not heated, although the shape memory alloy pushing spring is also in a compressed state, the tension spring is in a stretched state. At this time, the shape memory alloy pushing spring is in a state of tension. The pushing force applied by the box body and the supporting base plate, and the tensioning force applied by the tension spring to the box body and the supporting base plate are in a balanced state, and the first sliding ring and the second sliding ring The two sliding rings maintain the stability of the motion state, and the first air inlet hole and the second air inlet hole are in a state of dislocation design. When the shape memory alloy pushing spring is heated, the shape memory alloy The pushing spring is elongated to counteract the tensile force of a part of the tension spring, so that the first sliding ring slides in a direction away from the supporting bottom plate and relative to the second sliding ring for making the first entry The air hole communicates with the second air inlet hole. The heated flip-up assembly includes a fixing strip and a memory alloy shielding sheet, the fixing strip is arranged on the box body, the memory alloy shielding sheet is connected to the fixing strip, and the memory alloy shielding sheet is attached On the box body, the memory alloy shielding sheet is used to cover the air outlet correspondingly, and the memory alloy shielding sheet is used to communicate the air outlet with the outside when deformed by heat. Wherein, the memory alloy shielding sheet is used to shield the air outlet when it is not heated, so as to play a dust-shielding effect and reduce the entry of external impurities into the radiator, that is, it is also dust-proof And convective heat dissipation effect, the memory alloy shielding sheet is used to conduct the effect of the air outlet when heated, even if the air outlet is communicated with the outside world, the pushing spring based on the shape memory alloy is also in a heated state , the first air inlet hole and the second air inlet hole can be communicated, and since the second air inlet hole communicates with the outside world, as long as the LED lamp bead emits light and generates heat, it can make The bending of the memory alloy shielding sheet and the elongation of the shape memory alloy pushing spring can realize the following air convection path: outside air - the second air inlet hole - the first air inlet hole - the box The outer wall of the body, the first sliding ring, the second sliding ring and the supporting bottom plate together form a closed cavity-the air inlet-the ventilation cavity-the air outlet-outside air.

Another example is, in order to reduce the problem of impurity accumulation in the heat sink, and to have the advantages of light weight and good heat dissipation performance, for example, in the heat dissipation lighting device described in any embodiment of the present invention, the The heat sink includes: a base body, a heated push-up component and a heated lift-off component, the heated push-up component is arranged in the base body, and the heated push-up component is used to separate the base body from the outside world when heated. In communication, the heated opening assembly is arranged on the base body, and for another example, the heated opening assembly is arranged on the base body, and the heated opening assembly is used to make the base body Connect with the outside world. It should be noted that the base body bears the main actual heat dissipation, and the heated ejector assembly is used to cut off the communication relationship between the ventilation cavity in the base body and the outside world when it is not heated, and to avoid Impurities enter, and the heated push-up component is used to communicate the inner space in the base body with the outside when heated, so as to enhance air circulation and achieve convection heat dissipation. The heated opening assembly is used to close the inner space of the base body to prevent the entry of foreign impurities, and the heated opening assembly is used to automatically open when heated, that is, the partial structure of the heated opening assembly is the same as that of the When the base body is separated, the inner space in the base body is opened, so that the inner space in the base body communicates with the outside world, thereby achieving the effect of convective heat transfer.

The base body includes a box body, a first sliding ring, a second sliding ring and a supporting base plate, the box body has a hollow structure, the box body is provided with a ventilation cavity, and the box body is provided with an air inlet and an air outlet For example, the box body has a hollow cuboid structure, and the air inlet and the air outlet are respectively opened on opposite side surfaces of the box body. The air inlet and the air outlet are respectively communicated with the ventilation cavity, so that the air can flow through the air inlet, the ventilation cavity and the air outlet sequentially to achieve convection heat dissipation, and the The air inlet and the air outlet are aligned, so that the effect of convection and heat dissipation can be further improved. For another example, the air inlet and the air outlet are multiple, and each of the air inlets corresponds to each of the outlets. The air outlets are aligned, so that the degree and intensity of air convection can be improved, and the heat dissipation effect can be further improved. The first sliding ring is arranged around the edge of the box body, for example, the first sliding ring has a square ring structure, and the The first sliding ring is fixed to one side of the box body, and the air inlet communicates with the inner space of the first sliding ring, and the sliding sleeve of the second sliding ring is placed outside the first sliding ring, For example, the inner side wall of the second sliding ring is opposed to the outer side wall of the first sliding ring, and for another example, both the first sliding ring and the second sliding ring are in a square ring structure, and the first sliding ring The size of the outer ring of a sliding ring is the same as that of the inner ring of the second sliding ring, so that the two are in contact with each other. The first sliding ring is provided with a first air inlet hole, and the second sliding ring is provided with a The connected second air inlet hole, the two are switched between dislocation and connected states, the edge of the support base plate is fixed to the edge of the second sliding ring, the support base plate has a cuboid structure, and the support base plate The edge of the first sliding ring is fixed to the inner side wall of the second sliding ring, and the first sliding ring is used to make the first air inlet hole and the The second air inlet hole is connected, so that outside air enters into the inner space of the first sliding ring through the second air inlet hole and the first air inlet hole sequentially. 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 the ventilation cavity provided in the box, and the hollow structure of the first sliding ring and the second sliding ring, the heat sink can have the advantage of light weight, when the following air convection path : external air-the second air inlet hole-the first air inlet hole-the outer wall of the box-the first sliding ring-the second sliding ring and the supporting bottom plate together form a closed Cavity-the air inlet-the ventilation cavity-the air outlet-outside air, that is, the air flows through the second air inlet, the first air inlet, and the outer wall of the box in sequence , the first sliding ring, the second sliding ring and the support base together form a closed cavity - the air inlet, the ventilation cavity and the air outlet, thereby completing an air convection path, when When the above path is in the working state, the air convection heat dissipation effect can be realized, thereby improving the overall heat dissipation performance. When the second air inlet hole is not connected to the first air inlet hole, the first sliding ring is used to prevent external impurities from entering the outer wall of the box body, the first sliding ring, the The second sliding ring and the supporting bottom plate jointly enclose a closed cavity. It should be pointed out that each of the shape memory alloy ejecting springs of the heated ejection assembly is in a heated state, and each of the shape memory alloy shielding sheets of the heated flip assembly is in a heated state, that is, when heated, it is It means that the heat generated when the LED lamp beads of the heat dissipation lighting equipment work and emit light is transferred to the radiator, so that the shape memory alloy push springs of the heated push components are heated, and the parts of the heated push components are opened. Each of the shape memory alloy shielding sheets is heated. Of course, when the heated push-off component is not heated, and the heated flip component is not heated, it means that each of the LED lamp beads of the heat dissipation lighting device stops being energized. Not glowing.

The heated ejecting assembly includes a sliding cylinder, a limiting part, a tension spring and a shape memory alloy ejecting spring, the first end of the sliding cylinder is fixed to the supporting bottom plate, and the first end of the sliding cylinder is The two ends slide through the box and are accommodated inside the ventilation cavity, and the limiting part is located inside the ventilation cavity, so that the sliding can be prevented based on the blocking effect of the limiting part The cylinder is separated from the box, and the limiting part is fixed to the second end of the sliding cylinder, the tension spring is placed outside the sliding cylinder, and the two ends of the tension spring ends are respectively fixed to the box body and the support bottom plate, so that, based on the stretching force of the stretch elasticity, the separation of the first sliding ring and the second sliding ring can be avoided, and the The first air inlet hole and the second air inlet hole are misplaced, the tension spring is in a stretched state and is used to apply a force to the box body and the support bottom plate to move toward each other, and is used to make the The two maintain a certain balance. The shape memory alloy pushing spring is fixed to the box body and the supporting base plate respectively, the shape memory alloy pushing spring is in a compressed state, the tension spring in stretching and the shape in compression The force between the memory alloy pushing springs is balanced, so that the first air inlet hole and the second air inlet hole are misplaced, and the shape memory alloy pushing spring is in a compressed state and is used to The body and the supporting bottom plate exert an active force moving away from each other, and the shape memory alloy pushing spring is used to elongate when heated and deformed, thereby breaking the above-mentioned equilibrium state. The first air inlet hole and the second air inlet The two air inlet holes are changed from a dislocation state to a connected state, so that the outside air passes through the second air inlet hole and the first air inlet hole in sequence, and the first sliding ring is moved away from the support base plate. Direction and sliding relative to the second sliding ring is used to connect the first air inlet hole and the second air inlet hole. For example, the material of the tension spring is alloy steel, and the temperature rise caused by the heat emitted by the LED lamp bead has little change in its shape; however, since the material of the shape memory alloy pushing spring is Memory alloy, which will cause a large shape change when the temperature rises caused by the heat emitted by the LED lamp bead. For example, the box body is provided with a sliding installation hole communicating with the ventilation cavity, and the second end of the sliding cylinder passes through the sliding installation hole and is accommodated inside the ventilation cavity. Yes, when the shape memory alloy pushing spring is not heated, although the shape memory alloy pushing spring is also in a compressed state, the tension spring is in a stretched state. At this time, the shape memory alloy pushing spring is in a state of tension. The pushing force applied by the box body and the supporting base plate, and the tensioning force applied by the tension spring to the box body and the supporting base plate are in a balanced state, and the first sliding ring and the second sliding ring The two sliding rings maintain the stability of the motion state, and the first air inlet hole and the second air inlet hole are in a state of dislocation design. When the shape memory alloy pushing spring is heated, the shape memory alloy The pushing spring is elongated to counteract the tensile force of a part of the tension spring, so that the first sliding ring slides in a direction away from the supporting bottom plate and relative to the second sliding ring for making the first entry The air hole communicates with the second air inlet hole. For example, when the shape memory alloy pushing spring is heated, the limiting part is against the inner side wall of the box to prevent the limiting part from sliding out of the box, so as to maintain the integrity of the overall structure. stability.

The heated flip-up assembly includes a fixing strip and a memory alloy shielding sheet, the fixing strip is arranged on the box body, the memory alloy shielding sheet is connected to the fixing strip, and the memory alloy shielding sheet passes through The fixing strip is fixed to the outer wall of the box body. For example, there are multiple heated opening components, each of the heated opening components corresponds to one of the air outlets, and each of the memory alloy shielding sheets For covering the air outlet, the memory alloy shielding sheet is attached to the box body, the memory alloy shielding sheet is used to cover the air outlet correspondingly, and the memory alloy shielding sheet is used for heating When deformed, the air outlet is communicated with the outside world. It should be noted that the memory alloy shielding sheet is used to shield the air outlet when it is not heated, that is, when the memory alloy shielding sheet is heated, its shape is a cuboid, that is, it is in the same shape as the The surface attached to the box body is flat to play a dust-shielding effect and reduce the entry of external impurities into the radiator, that is, it has both dust-proof and convective heat dissipation effects. The memory alloy shielding sheet is used for heating when heated To achieve the effect of conducting the air outlet, that is, to make the air outlet communicate with the outside world, 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 world. Based on the shape The memory alloy pushing spring is also in a heated state, which can make the first air inlet and the second air inlet communicate. Since the second air inlet is also communicated with the outside world, as long as the LED light When the beads emit light and generate heat, the memory alloy shielding sheet can be bent and the shape memory alloy pushing spring can be elongated, so that the following air convection path can be realized: outside air-the second air inlet hole-all The first air inlet - the outer wall of the box - the first sliding ring - the second sliding ring and the support bottom plate together form a closed cavity - the air inlet - the ventilation cavity - the air outlet - outside air, that is, the air flows sequentially through the second air inlet, the first air inlet, the outer wall of the box, the first sliding ring, the second sliding The ring and the support base together form a closed cavity - the air inlet, the ventilation cavity and the air outlet, thereby completing an air convection path. When the above path is in working condition, the air convection heat dissipation effect can be realized , so that the overall heat dissipation performance can be improved, thereby achieving the effect of convective heat transfer, when the first air outlet hole and the second air outlet hole are misplaced, and the memory alloy shielding sheet covers the air outlet , the radiator is isolated from the outside air, preventing external impurities from entering the radiator.

The heat sink of the above-mentioned heat dissipation lighting equipment is provided with a base body, a heated push-up assembly and a heated lift-off assembly, in order to reduce the problem of accumulation of impurities in the heat sink, and to have the advantages of light weight and good heat dissipation performance .

It should be pointed out that when the shape memory alloy shielding sheet is heated and the shape memory alloy pushing spring is heated, it refers to the heat generated when each of the LED lamp beads of the heat dissipation lighting device is working and emitting light. transferred to the box body of the radiator, the first sliding ring, the second sliding ring and the supporting bottom plate, and then the shape memory alloy shielding sheet and the shape memory alloy pushing spring are heated Of course, when the shape-memory alloy shielding sheet and the shape-memory alloy push-up spring are not heated, it means that each of the LED lamp beads of the heat-dissipating lighting device stops being energized and does not emit light, that is, the LED lamp The ball does not transfer heat to the box body, the first sliding ring, the second sliding ring and the support base plate of the radiator, that is, the shape memory alloy shielding sheet and the shape memory alloy The ejector spring is in an unheated state. In addition, the materials of the shape-memory alloy shielding sheet are all existing shape-memory alloy materials, as long as it can realize thermal deformation. Of course, those skilled in the art can flexibly use the existing shape-memory alloy Choose from the materials. Among them, Shape Memory Alloys (ShapeMemory Alloys, SMA) is an alloy material that can completely eliminate its deformation at a lower temperature after heating up, and restore its original shape before deformation, that is, return to the original state, that is, have " "memory" effect alloy; of course, considering that the material of the shape memory alloy pushing spring and the shape memory alloy shielding sheet is shape memory alloy at present, the cost is relatively high, therefore, in the current field of use, the above design It is extremely suitable for some high-end lamps that are extremely sensitive to external impurities or have other requirements. Of course, the above design is also applicable to the field of ordinary lamps. After the cost of shape memory alloys is reduced, lamps based on the concept of this application will be more widely used and more favored by consumers.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (10)

1. a kind of heat dissipation lighting apparatus, comprising:

Radiator,

Triangular mounting seat, the triangular mounting seat are set on the radiator；

Body is installed, the installation body is placed on outside the radiator, and the installation body is installed around the triangle Seat setting；

Component is overturn, the overturning component includes three flip pieces, and three flip pieces are respectively arranged at the triangle installation In three side edges of seat, in a flip piece, the flip piece includes installation axle and overturning plate body, the installation The first end of axis and the triangular mounting seat are rotatablely connected, and the inner sidewall of the second end of the installation axle and the installation body turns Dynamic connection, the overturning plate body are set in the installation axle；

It is characterized by further comprising: light source assembly, the light source assembly includes three LED illuminating parts, and three LED shine Part is arranged in a one-to-one correspondence on three overturning plate bodys, and in a LED illuminating part, the LED illuminating part includes more A LED lamp bead, each LED lamp bead are arranged at intervals on the one side of the overturning plate body；

Driving assembly is overturn, the overturning driving assembly includes control mould group and three motors, the rotation axis of three motors Correspond with three installation axis connections, the control Mo Zu respectively with three electrical connection of motor, for controlling The motor drives the installation axle and LED illuminating part rotation.

2. heat dissipation lighting apparatus according to claim 1, which is characterized in that the radiator has cylindrical-shaped structure.

3. heat dissipation lighting apparatus according to claim 1, which is characterized in that the triangular mounting seat is far from the radiator One side be provided with light-reflecting portion.

4. heat dissipation lighting apparatus according to claim 3, which is characterized in that be provided with reflective surface in the light-reflecting portion.

5. heat dissipation lighting apparatus according to claim 1, which is characterized in that the installation body has cylinder-like structure, Reflexed light film is provided on the inner sidewall of the installation body.

6. heat dissipation lighting apparatus according to claim 1, which is characterized in that the overturning plate body has rectangular parallelepiped structure.

7. heat dissipation lighting apparatus according to claim 1, which is characterized in that the overturning plate body offers installation through-hole, The installation axle wears the installation through-hole.

8. heat dissipation lighting apparatus according to claim 1, which is characterized in that the installation axle has round bar shape structure.

9. heat dissipation lighting apparatus according to claim 1, which is characterized in that each LED lamp bead rectangular array distribution In on the one side of the overturning plate body.

10. heat dissipation lighting apparatus according to claim 1, which is characterized in that the motor passes through gear and the installation Axis transmission connection.