WO2015096036A1 - Led lamp - Google Patents

Abstract

Disclosed is an LED lamp, comprising a light source assembly (1) and a heat-transfer assembly (2), wherein the light source assembly (1) is magnetically connected to the heat-transfer assembly (2), heat produced by the light source assembly (1) is transferred via the heat-transfer assembly (2), and the light source assembly (1) can move or rotate relative to the heat-transfer assembly (2). The light source assembly (1) and the heat-transfer assembly (2) of the LED lamp use a magnetic connection, making mounting and maintenance simpler and faster, while the height and emission angle of a light source can be conveniently adjusted, the light source assembly and the heat-transfer assembly are connected in direct contact, so that heat can be transferred quickly via the contact, achieving fast heat dissipation. Moreover, the LED lamp has a simple structure, is small in volume, and is lightweight, and the light source assembly can be moved up and down on the heat-transfer assembly, allowing free adjustment of the position of the light source assembly on the heat-transfer assembly to suit ceilings of different heights without affecting the heat dissipation effects.

Description

 Description of the book

Technical field:

 The invention relates to the field of LED lighting technology, and in particular to an LED lamp. BACKGROUND OF THE INVENTION With the development of economy and society and the continuous improvement of the level of LED lighting technology, LED lamps have been widely used in people's daily work and life. As a new type of lighting products, LED lamps have high luminous efficiency and color. Bright, good stability, long service life, no pollution.

 At present, the light source components and heat transfer components of the LED lamps on the market can only realize their respective functions, and the functions are relatively simple, and they cannot be comprehensively utilized, and the synergy of the components is fully exerted, thereby causing the LED lamps to have a single function and a large volume. Bulk, inflexible adjustment, and high cost of lamps, these many unfavorable factors superimposed lead to the low carbon, energy-saving advantages of LED lamps can not be fully exerted, resulting in certain restrictions on the application of LED lamps.

In the prior art, the heat sink of the LED lamp configuration does not combine the overall structure of the LED lamp, but only relies on the heat sink itself for heat dissipation, and the heat sink itself is only used for heat dissipation. Moreover, the conventional heat sink often has a small heat dissipation space, and the air flow is poor, resulting in an unsatisfactory heat dissipation effect. This type of heat sink is often bulky, and thus is limited by the heat sink, so that the size of the light can not be made smaller, and the LED light fixture The angle adjustment is also limited, and it is not well adapted to different lighting environments. On the other hand, the connection between the light source component of the conventional LED luminaire and the heat transfer component is generally a screw fixing method, and the fixing is performed. Although there are certain cost savings in the way, when installing and maintaining, the screw is fixed.

LED luminaires will incur additional inconvenience, and additional screws are required for disassembly and assembly. When installing, it is cumbersome and time-consuming to align the mounting holes of the components.

 In view of the above problems and their shortcomings, it is necessary to propose new improvements to the design of existing LED lamps.

Summary of the invention:

 The purpose of the present invention is to provide an LED lamp which integrates the connection function and the heat dissipation function by avoiding the above-mentioned deficiencies in the prior art, and the LED lamp is convenient to install, flexible to adjust, and quick in heat dissipation.

 The object of the invention is achieved by the following technical solutions:

 An LED luminaire is provided, comprising a light source assembly and a heat transfer assembly, the light source assembly being magnetically coupled to the heat transfer assembly and transmitting heat generated by the light source assembly through the heat transfer assembly, the light source assembly being Moving or rotating relative to the heat transfer assembly.

 The light source assembly includes an LED light source and a heat sink. The LED light source is mounted on the bottom of the heat sink. The upper side of the heat sink extends a heat conducting protrusion, and the heat sink and the heat conductive protrusion form a heat conducting surface. The heat transfer assembly includes a heat conducting plate that is magnetically coupled to the heat conducting surface, and the heat sink seat is movable or rotatable relative to the heat conducting plate.

 Wherein, one of the heat sink and the heat conducting plate is a magnetic member, and the other is a iron member.

The heat transfer assembly further includes an iron heat conductive sheet, the iron heat conductive sheet is fixedly disposed on the heat conductive plate, the light source assembly further includes a connecting magnet, and the heat sink is aluminum The heat sink is provided with a vertical recessed groove, and the connecting magnet is fixedly disposed in the recessed groove, and the iron heat conductive sheet is adsorbed to abut the heat radiating seat against the iron heat conductive sheet.

 Wherein, the LED lamp further comprises a lamp housing, and the heat transfer component is in contact connection with the lamp housing.

 The heat transfer assembly further includes a connecting device, the heat conducting plate portion is fixed to the heat conducting horizontal plate, and the heat conducting horizontal plate is connected to the lamp housing through the connecting device, the heat conducting plate and the heat conducting horizontal plate It is rotatable in a vertical direction relative to the luminaire housing.

 Wherein, the connecting device comprises a screw, a nut and a spring, the lamp housing is provided with a screw hole matched with the screw, the heat conducting horizontal plate is provided with a through hole, and the screw passes through the through hole of the heat conducting horizontal plate The spring is sleeved on the screw and abuts against the bottom of the heat conducting horizontal plate, and the nut is screwed to the bottom of the screw.

 Wherein, the connecting device comprises a screw, a nut, a spring and a heat transfer plate, the heat transfer plate is disposed between the heat conducting cross plate and the lamp housing, the heat transfer plate is fixedly connected with the lamp housing, the heat transfer The plate is provided with a screw hole that cooperates with the screw, the heat conducting horizontal plate is provided with a through hole, and the screw is fixed to the heat transfer plate through the through hole of the heat conducting horizontal plate, and the spring is sleeved on the The screw is abutted against the bottom of the heat conducting cross plate, and the nut is screwed to the bottom of the screw.

 Wherein, the lamp housing is provided with a light port.

The LED luminaire further includes a panel assembly, the light source assembly, the heat transfer assembly and the panel assembly form a lamp body assembly, the panel assembly is disposed at a front end of the light source assembly, and the panel assembly includes an exit channel and a fixing frame, a mounting bracket is fixedly mounted on the heat sink, and two sides of the mounting bracket are provided with lifting ears, and the exit passage is in a cylindrical shape, and the exiting passage is The two sides of the track are provided with an ear portion that is hinged to the lifting ear, the fixing frame is engaged with the light port of the lamp housing, and the exit channel is mounted on the fixing frame, and the heat conducting plate is opposite The heat transfer plate rotates about an axis of the exit passage in a direction perpendicular to the heat transfer plate.

 The beneficial effects created by the invention:

 The LED lamp, the light source component and the heat transfer component created by the invention are magnetically connected, realize heat transfer while realizing connection, adopt magnetic connection, make installation and maintenance simpler and faster, and can conveniently adjust the height and exit angle of the light source, the light source The components are in direct contact with the heat transfer components, allowing heat to be transferred quickly through contact transfer for fast heat dissipation. The LED lamp created by the invention has the advantages of simple structure, small volume and light weight, and the light source component can move up and down on the heat transfer component, and the position of the light source component on the heat transfer component can be adjusted at will to adapt to different heights of the ceiling without affecting the LED. The heat dissipation effect of the luminaire. DRAWINGS

 The invention is further illustrated by the accompanying drawings, but the embodiments in the drawings do not constitute any limitation on the creation of the present invention, and those skilled in the art can obtain the following drawings without any creative work. Other drawings.

 BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic view showing the structure of Embodiment 1 of the present invention.

 Figure 2 is a schematic view showing the structure of a lamp body assembly of Embodiment 1 of the present invention.

 Figure 3 is a schematic view showing the structure of a light source unit of Embodiment 1 created by the present invention.

 Fig. 4 is a view showing the structure of a heat transfer unit of the embodiment 1 created by the present invention.

 Figure 5 is a schematic view showing the structure of a panel assembly of Embodiment 1 of the present invention.

Fig. 6 is a schematic view showing the heat dissipation principle of the first embodiment of the present invention. 7 is a schematic diagram of the heat dissipation principle of the embodiment 2 created by the present invention:

 1-Light source assembly, 10- heat sink, 101- recessed slot, 102- housing cavity, 103- thermal bump, 104- heat conducting surface, 11- connecting magnet, 12-LED source, 13- reflector, 14- optical glass , 15- rubber ring, 16- mounting bracket, 161- lifting lugs,

2-heat transfer unit, 20- iron heat transfer sheet, 21- heat transfer plate, 22- heat transfer plate, 23- screw, 24-nut, 25- spring, 26-shield, 27- guide heat rail,

 3-panel assembly, 30- exit channel, 301- ears, 31- holder, 311- flex card,

 4-lamp housing.

detailed description

 The invention is further described in connection with the following examples.

 Example 1

 One embodiment of an LED luminaire created by the present invention, as shown in FIG. 1, includes a light source assembly 1, a heat transfer assembly 2, a panel assembly 3, and a luminaire housing 4, a light source assembly 1, a heat transfer assembly 2, and a panel assembly 3 constituting the lamp body assembly, as shown in Fig. 2, the lamp body assembly is fixedly coupled to the lamp housing 4 via a heat transfer assembly.

 The lamp housing 4 is a polygonal box body, preferably a square box body. The bottom of the lamp housing 4 has a circular light port, and the lamp body assembly is installed in the lamp housing 4, and the light is emitted through the light port.

The heat transfer assembly 2 is fixedly coupled to the lamp housing 4, the heat transfer assembly 2, as shown in FIG. The iron heat conducting sheet 20, the heat conducting plate 21 and the connecting means are included, and the connecting means comprises a heat transfer plate 22, a screw 23, a nut 24, a spring 25, a spacer 26 and a heat conducting cross plate 27. The heat transfer plate 22 is fixedly connected to the lamp housing 4 by screws. The upper portion of the heat conducting plate 21 is fixed with a heat conducting horizontal plate 27 disposed between the heat conducting horizontal plate 27 and the lamp housing 4, and the heat transfer plate 22 and the lamp housing 4 are disposed. For the fixed connection, the heat transfer plate 22 is provided with a screw hole matched with the screw 23, the heat conduction horizontal plate 27 is provided with a through hole, the screw 23 passes through the heat conduction horizontal plate 27 at the upper portion of the heat conduction plate 21, and is fixed to the heat transfer plate 22, the spring 25 and a spacer 26 supported on the lower end of the spring 25 is sleeved on the screw 23, the end of the spring 25 abuts against the bottom of the heat conducting transverse plate 27, the nut 24 is disposed under the spacer 26, and is screwed on the screw 23, fixed The heat conducting plate 21 is on the heat transfer plate 22 such that the heat conducting plate 21 is rotatable relative to the heat transfer plate 22 in a direction perpendicular to the heat transfer plate 22. Under the action of the nut 24 and the spring 25, the heat conducting plate 21 and the heat transfer plate 22 are tightly connected to ensure the close contact connection between the heat conducting plate 21 and the heat transfer plate 22, and at the same time, the rotation and adjustment of the heat conducting plate 21 are facilitated, when needed When the heat conducting plate 21 is rotated, the heat conducting plate 21 is pulled down gently, and the heat conducting plate 21 and the heat transfer plate 22 are disengaged, so that the heat conducting plate 21 can be easily rotated, and the heat conducting plate 21 is released after being rotated into position, and the spring is reset. The heat conducting plate 21 and the heat transfer plate 22 are tightened to ensure heat conduction. The installation is also simple and convenient. The iron heat conductive sheet 20 is fixedly mounted on the vertical surface of the heat conducting plate 21 by screws. In addition, the iron heat conductive sheet 20 and the heat conducting plate 21 may be integrally formed, and the heat conducting horizontal plate 27 and the heat conducting plate 21 are also Can be integrated. The heat conducting plate 21, the heat conducting horizontal plate 27, and the heat transfer plate 22 are preferably made of aluminum.

The light source assembly 1 is magnetically coupled to the heat transfer assembly 2 such that the light source assembly 1 can be moved or rotated relative to the heat transfer assembly 2 on the heat transfer assembly 2. The light source assembly 1, as shown in FIG. 3, includes a heat sink 10, a connecting magnet 11, an LED light source 12, a reflector 13, and an optical glass. 14. Rubber ring 15 and mounting bracket 16. The heat sink 10 is an aluminum heat sink. The upper side of the heat sink 10 extends from the heat conducting protrusion 103. The heat sink 10 and the heat conducting protrusion 103 form a heat conducting surface 104. The heat conducting protrusion 103 cooperates with the heat sink 10 to form a heat conducting surface 104 for heat dissipation. The seat 10 maximizes the use of limited space for proper layout and design, thereby increasing the heat transfer area and thereby reducing the size and weight of the heat sink. A vertical slot 101 is disposed on the heat conducting surface 104 of the heat sink 10. The connecting magnet 11 is fixedly mounted in the slot 101. The mounting method may be a fixed connection method such as glue bonding or screwing. The heat sink 10 passes through the connecting magnet 11 The iron heat conductive sheet 20 is adsorbed, and the heat sink 10 abuts against the iron heat conductive sheet 20 to realize magnetic connection between the light source unit 1 and the heat transfer unit 2. The bottom of the heat sink 10 is provided with a receiving cavity 102. The LED light source 12 is installed at the bottom of the inner wall of the receiving cavity 102. The outside of the LED light source 12 is provided with a reflector cover 13. The reflector cover 13 has a funnel shape and is open at the front end of the reflector cover 13. The optical glass 14 is covered with a rubber ring 15 for sealing, and the rubber ring 15 is placed at the bottom of the heat sink 10. The bottom of the heat sink 10 is fixedly mounted with a mounting frame 16, and the mounting frame 16 is pressed against the rubber. The ring 15 is mounted, and the mounting frame 16 positions the LED light source 12, the reflector 13 and the optical glass 14 in the accommodating cavity, and the mounting bracket 16 is further provided with lifting lugs 161 on both sides. The heat generated by the LED light source 12 is transmitted to the heat sink 10, and the heat sink 10 transfers most of the heat to the iron heat conductive sheet 20 and the heat conductive plate 21, and the heat of the iron heat conductive sheet 20 and the heat conductive plate 21 is transmitted through the heat transfer plate 22. To the lamp housing 4, the heat is radiated and the heat is convected by the large-area lamp housing 4, and the heat is quickly dissipated to achieve good heat dissipation. The heat dissipation principle is shown in Fig. 6, and the arrow indicates the heat transfer route.

The panel assembly 3 is mounted on the front end of the light source assembly 2. The panel assembly 3, as shown in FIG. 5, includes an exit passage 30 and a fixing frame 31. The exit passage 30 has a cylindrical shape for the LED light source. The light of 12 is emitted, and the two sides of the exit channel 30 are provided with an ear portion 301 hinged with the lifting lug 161. The exit channel 30 can swing left and right with respect to the light source assembly, and the bottom of the fixing frame 31 is provided with a snapping edge, and the side thereof The elastic card 311 is mounted by the rivet, and the fixing frame 31 is engaged with the light port of the lamp housing 4 through the engaging edge and the elastic card 311. The exit channel 30 is mounted on the fixing frame 31, and the exit channel 30 can be in the fixing frame 31. Level 360. Turn.

 Specifically, the heat conducting plate 21 is rotated about the axis of the exit channel 30 in a direction perpendicular to the heat transfer plate 22 with respect to the heat transfer plate 22, and at the same time, by moving and rotating the position of the light source assembly on the iron heat conductive sheet 20, Adjusting the exit angle of the light source assembly to the left and right, in conjunction with the rotation of the heat conducting plate 21, the heat conducting plate 21 will drive the entire light source assembly to rotate, and the connecting and exiting channels will also rotate together, so that the exit angle of the light source assembly can be adjusted in all directions.

 Example 2

 The second embodiment of the LED lamp of the present invention comprises a light source component 1, a heat transfer component 2 and a lamp housing 4, and the light source component 1 and the heat transfer component 2 constitute a lamp body assembly, and the lamp body assembly is fixed by a heat transfer component. It is connected to the lamp housing 4.

 The lamp housing 4 is a polygonal box body, preferably a square box body. The bottom of the lamp housing has a circular light port, and the lamp body assembly is installed in the lamp housing 4, and the light is emitted through the light port.

 The heat transfer assembly 2 is fixedly coupled to the lamp housing 4, and the heat transfer assembly 2 includes a heat conducting plate 21. The heat conducting plate 21 is fixed with a heat conducting horizontal plate 27, and the heat conducting horizontal plate 27 is fixedly connected to the lamp housing 4 by screws, and the heat conducting horizontal plate 27 and the heat conducting plate 21 are preferably integrally formed.

The light source assembly 1 includes a heat sink 10, an LED light source 12, and a reflector 13. Heat sink The bottom of the 10 is provided with a receiving cavity, and the LED light source 12 is installed at the bottom of the inner wall of the accommodating cavity. The outside of the LED light source 12 is provided with a reflecting cover 13 which is funnel-shaped.

 The light source assembly 1 is magnetically coupled to the heat transfer assembly 2, so that the light source assembly 1 can be moved or rotated relative to the heat transfer assembly 2 on the heat transfer assembly 2. The specific magnetic connection manner may be: 1. The heat conduction plate 21 is a magnetic heat conduction plate, the heat dissipation seat 10 is an iron heat dissipation seat, the heat conduction plate 21 adsorbs the heat dissipation seat 10 to realize a magnetic connection; 2. The heat conduction plate 21 is an iron heat conduction plate, and the heat dissipation seat 10 is a magnetic heat sink, the heat sink absorbs the heat conducting plate 21 to realize magnetic connection; 3. The connecting magnet 11 is added, the heat conducting plate 21 is an iron heat conducting plate, the heat sink 10 is also an iron heat sink, and the connecting magnet 11 is disposed on the heat conducting plate 21 Between the heat sink 10 and the heat sink 10, the iron heat conducting plate 21 and the iron heat sink 10 are simultaneously adsorbed, so that the heat sink 10 abuts against the heat conducting plate 21, thereby realizing the magnetic connection between the light source assembly 1 and the heat transfer component 2, wherein, The magnet 11 can be provided with one or more, depending on the specific size and weight of the luminaire.

 The specific heat dissipation process is that the heat generated by the LED light source 12 is transmitted to the heat sink 10, and the heat sink 10 transfers most of the heat to the heat conductive plate 21, and the heat of the heat conductive plate 21 is transferred to the lamp housing 4 through the large-area lamp housing 4 The heat radiation and heat convection rapidly dissipate heat to achieve good heat dissipation. At the same time, the heat generated by the LED light source 12 is also transmitted to the reflector 13. The air convection around the reflector 13 rapidly transfers heat to the atmosphere. As shown in Figure 7, the arrows in the figure indicate the heat transfer route.

It should be noted that the above embodiments are merely illustrative of the technical solutions created by the present invention, and are not intended to limit the scope of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, It should be understood that the technical solutions created by the present invention may be modified or equivalently replaced without departing from the inventive concept.

Claims

Claim An LED lamp comprising a light source component and a heat transfer component, wherein: the light source component is magnetically coupled to the heat transfer component, and transmits heat generated by the light source component through the heat transfer component, The light source assembly can be moved or rotated relative to the heat transfer assembly.  2. The LED lamp of claim 1, wherein: the light source assembly comprises an LED light source and a heat sink, the LED light source is mounted on a bottom of the heat sink, and an upper side of the heat sink extends a heat conducting protrusion, the heat sink and the heat conductive protrusion form a heat conducting surface, the heat transfer assembly includes a heat conducting plate, the heat conducting plate is magnetically connected to the heat conducting surface, and the heat sink can move or rotate relative to the heat conducting plate .  3. An LED lamp according to claim 2, wherein: one of the heat sink and the heat conducting plate is a magnetic member and the other is a iron member. 4. The LED lamp of claim 2, wherein: the heat transfer assembly further comprises an iron heat conductive sheet, the iron heat conductive sheet is fixedly disposed on the heat conductive plate, and the light source assembly is further The heat sink is an aluminum heat sink, and the heat sink is provided with a vertical recess. The connecting magnet is fixedly disposed in the recess and adsorbs the iron heat conductive sheet to dissipate heat. The seat abuts against the iron heat conductive sheet. 5. The LED light fixture of claim 2, wherein the LED light fixture further comprises a light fixture housing, the heat transfer assembly being in contact with the light fixture housing. The LED lamp of claim 5, wherein: the heat transfer assembly further comprises a connecting device, the heat conducting plate portion is fixed to the heat conducting horizontal plate, and the heat conducting horizontal plate passes through the connecting device The lamp housing is coupled, and the heat conducting plate and the heat conducting cross plate are rotatable in a vertical direction relative to the lamp housing. The LED lamp according to claim 6, wherein: the connecting device comprises a screw, a nut and a spring, wherein the lamp housing is provided with a screw hole matched with the screw, and the heat conducting horizontal plate is provided a through hole, the screw is fixed to the lamp housing through a through hole of the heat conducting cross plate, the spring is sleeved on the screw and abuts against the bottom of the heat conducting horizontal plate, and the nut is screwed to The bottom of the screw. 8. The LED lamp of claim 6, wherein: the connecting device comprises a screw, a nut, a spring and a heat transfer plate, the heat transfer plate being disposed between the heat conducting cross plate and the lamp housing The heat transfer plate is fixedly connected to the lamp housing, the heat transfer plate is provided with a screw hole that cooperates with the screw, the heat conduction horizontal plate is provided with a through hole, and the screw passes through the through hole of the heat conduction horizontal plate Fixed to the heat transfer plate, the spring is sleeved on the screw and abuts against the bottom of the heat conducting horizontal plate, and the nut is screwed to the bottom of the screw.  9. An LED lamp according to claim 7 or 8, wherein: the lamp housing is provided with a light port. The LED lamp according to claim 9, wherein the LED lamp further comprises a panel assembly, the light source assembly, the heat transfer assembly and the panel assembly form a lamp body assembly, and the panel assembly is disposed on the light source a front end of the component, the panel assembly includes an exit channel and a fixing frame, and the mounting bracket is fixedly mounted on the heat sink seat. The two sides of the mounting bracket are provided with lifting ears, the exit passages are cylindrical, and the two sides of the exit passage are provided with ear portions hinged with the lifting lugs, and the fixing brackets are engaged with the lamps On the light port of the outer casing, the exit channel is mounted on the fixed frame, and the heat conducting plate is rotatable relative to the heat transfer plate about an axis of the exit channel in a direction perpendicular to the heat transfer plate.