CN209165072U - An LED energy saving lamp - Google Patents

Abstract

The utility model discloses a kind of LED energy-saving lamps, including threaded connector, lamp holder and lamp body, the upper end of threaded connector is fixedly connected with lamp holder, lamp holder upper end is provided with lamp body, lamp holder is internally provided with cavity, cavity inside is fixedly installed with drive circuit board and radiator fan, several thermal vias are laterally offered on lamp holder outer wall, thermal vias is connected to cavity, suction opening is offered at the top of lamp holder, lamp body includes radiator, LED illumination body and lampshade, the lower end of radiator and the upper end of lamp holder connect, several cooling fins that radiator includes heat dissipation tube body and connect with the inner wall of heat dissipation tube body and extend to the central axis of heat dissipation tube body, the outer wall of heat dissipation tube body is provided with LED illumination body, the outer cup of LED illumination body is equipped with lampshade, the lower end of lampshade and the upper end of lamp holder connect, the top of lampshade is equipped with air through hole.The utility model is simple and reasonable for structure, easy to use, good heat dissipation effect, long service life, energy conservation and environmental protection, has good use and promotional value.

Description

An LED energy saving lamp

technical field

The utility model relates to the technical field of lighting devices, in particular to an LED energy-saving lamp.

Background technique

LED lamps have high brightness and low power consumption. LED energy-saving lighting has gradually replaced traditional lighting sources. In modern people's daily life, LED energy-saving lamps have played a very important role, bringing light and quality of life to thousands of households. It reduces the environmental pollution of low-quality light bulbs, and is a very energy-saving and environmentally friendly new lighting source. However, the heat dissipation of LED energy-saving lamps is large, and most of the existing LRD energy-saving lamps have poor heat dissipation. Most of the heat of the LED lamps is dissipated by the air heat exchange in the inner cavity of the back cover to dissipate the heat generated during the LED light-emitting process, resulting in excessive heat of the LED energy-saving bulbs. It is concentrated on the back cover part, which makes the temperature of the bulb too high, which is easy to cause LED light decay and shorten the service life of LED energy-saving lamps.

Utility model content

The utility model aims to solve at least the technical problems existing in the prior art, and particularly innovatively proposes an LED energy-saving lamp, which effectively solves the problem of the poor heat dissipation effect of the LED energy-saving lamp in the prior art, which makes the light bulb prone to high temperature.

In order to achieve the above purpose of the present invention, the present invention provides an LED energy-saving lamp, comprising a threaded connector, a lamp socket and a lamp body, the upper end of the threaded connector is fixedly connected with the lamp socket, and the lamp socket is The lamp body is arranged at the upper end, a cavity is arranged inside the lamp holder, a driving circuit board and a cooling fan are fixedly installed in the inside of the cavity, and a plurality of heat dissipation through holes are laterally opened on the outer wall of the lamp holder, and the heat dissipation The through hole is communicated with the cavity, the top of the lamp holder is provided with an air outlet, the lamp body includes a radiator, an LED lighting body and a lampshade, the lower end of the radiator is connected with the upper end of the lamp holder, the The radiator includes a heat dissipation pipe body and a plurality of heat dissipation fins connected to the inner wall of the heat dissipation pipe body and extending toward the central axis of the heat dissipation pipe body. The outer wall of the heat dissipation pipe body is provided with the LED lighting body, and the LED lighting body The outer cover is provided with the lampshade, the lower end of the lampshade is connected with the upper end of the lamp holder, and the top of the lampshade is provided with an air intake through hole; the cooling fan and the LED lighting body are respectively connected with the driving circuit board electrical connection.

When the utility model is in use, the energy-saving lamp is connected to the external bulb mounting seat through a threaded connector, and when the power is turned on, the driving circuit board drives the LED lighting body to emit light, and at the same time drives the cooling fan to rotate, and the LED lighting body is promptly driven by the radiator. The heat generated is conducted to the air inside the lampshade, and the hot air in the lampshade enters the cavity in the lamp holder through the air outlet under the suction force of the cooling fan, and is discharged to the outside of the lamp holder through the heat dissipation through hole. Under the action of the suction force of the cooling fan, the air enters the lampshade through the air intake through holes on the lampshade, so as to complete the heat dissipation and air circulation inside the energy-saving lamp, dissipate the heat generated by the LED lighting body in time, and reduce the LED lighting body. The temperature of the working environment effectively improves the heat dissipation effect of the energy-saving lamp, thereby avoiding the LED light decay caused by the high temperature of the energy-saving lamp, enhancing the working efficiency of the energy-saving lamp and prolonging the service life of the energy-saving lamp.

The utility model has the advantages of simple and reasonable structure, convenient use, good heat dissipation effect, long service life, energy saving and environmental protection, and has good use and promotion value.

Preferably, the heat dissipation pipe body and the heat dissipation fin are made of die-cast aluminum alloy, and the heat dissipation pipe body and the heat dissipation fin are integrally formed. The die-casting aluminum alloy has high thermal conductivity, and the heat-dissipating pipe body and the heat-dissipating fins provided by the present utility model are made of the die-casting aluminum alloy, which effectively improves the heat dissipation effect. When it is installed in the LED energy-saving lamp, the LED lighting body can be quickly installed. The heat generated during work is quickly dissipated, and the structure of the heat dissipation pipe body and the heat sink is integrally formed, which has better thermal conductivity and more convenient production.

Preferably, the LED lighting body includes a plurality of elongated LED lighting panels that are evenly distributed vertically along the outer wall of the heat dissipation pipe body, and the LED lighting panels are arranged on the heat dissipation pipe body by thermally conducting double-sided adhesive. on the outer wall. By evenly distributing a plurality of LED lighting boards on the outer wall of the heat dissipation pipe body, the lighting effect is improved, and the surrounding environment can receive light evenly. At the same time, it can better conduct the heat generated by the LED lighting board to the heat dissipation pipe body.

Preferably, the LED lighting board includes a PCB board and a plurality of SMD LEDs arranged on the PCB board at uniform intervals, and the outer cover of the SMD LEDs is provided with a hemispherical reflector. The SMD LED is a very small chip encapsulated in epoxy resin, which is very small and facilitates the design and layout of the light source. The direct light generated by the SMD LED becomes softer through the hemispherical reflector.

Preferably, the driving circuit board is fixed on the inner wall of the lamp holder by screws, and an insulating support block is provided between the driving circuit board and the inner wall of the lamp holder. Fastened by screws, it is convenient to disassemble and replace the drive circuit board, and the insulating function of the insulating support block prevents the drive circuit board from leaking to the lamp holder. better heat dissipation.

Preferably, the cooling fan is disposed facing the air extraction port, and both sides of the cooling fan are fixedly connected to the inner walls of the lamp holder on both sides through connecting rods. Set the cooling fan directly to the air outlet to improve the ventilation and heat dissipation effect.

Preferably, the lampshade is detachably connected to the lamp socket. Facilitates individual replacement of the lampshade as well as the inner parts of the lampshade.

Preferably, the lower end of the lampshade is provided with a clamping block, and the upper end of the lamp holder is provided with a clamping slot matching the clamping block. The card slot and the card block form a snap connection, which is more convenient for disassembly and assembly.

Preferably, the lampshade comprises a light-transmitting cover and a light-shielding cover sleeved on the outside of the light-transmitting cover and rotatable around the outer wall of the light-transmitting cover, the light-transmitting cover is made of a transparent material, and the light-shielding cover includes Shading and non-shading. The light is diffused through the light-transmitting cover to improve the lighting effect and brightness; the shading part of the light-shielding cover is used to block part of the light, so that the light passes through the light-transmitting cover, and then the non-shading part of the light-shielding cover is used for directional lighting, and the external light-shielding cover is rotated. , so that the shading part of the hood rotates accordingly, so as to adjust the lighting direction of the light.

Preferably, the lower part of the light-transmitting cover is provided with an inwardly concave arc-shaped groove, the lower part of the light-shielding cover is provided with an outward-protruding arc-shaped protrusion at a position opposite to the arc-shaped groove, and the The arc-shaped groove and the arc-shaped protrusion together form an annular channel around the light-transmitting cover, and a plurality of balls matching the cross-sectional size of the annular channel are arranged in the annular channel. This structure makes the rotation of the external light shield more convenient and flexible.

Additional conveniences and advantages of the present invention will, in part, be set forth in the following description, and in part will become apparent from the following description, or learned by practice of the invention.

Description of drawings

The above and/or additional conveniences and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, wherein:

Fig. 1 is the structural representation of a kind of LED energy-saving lamp provided by the utility model;

Fig. 2 is the A-A sectional structure schematic diagram of Fig. 1;

Fig. 3 is a longitudinal cross-sectional structural schematic diagram of a lamp holder of an LED energy-saving lamp provided by the present invention;

4 is a partial cross-sectional structural schematic diagram of an LED energy-saving lamp provided by the present invention.

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, but should not be construed as a limitation of the present invention.

In the description of the present invention, it should be understood that the terms "portrait", "horizontal", "upper", "lower", "front", "rear", "left", "right", "vertical" , "horizontal", "top", "bottom", "inside", "outside" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, only for the convenience of describing the present utility model and simplifying the description, Rather than indicating or implying that the indicated device or element must have a particular orientation, be constructed and operate in a particular orientation, it should not be construed as a limitation of the present invention.

In the description of the present invention, unless otherwise specified and limited, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a mechanical connection or an electrical connection, or it may be a The internal communication between the two elements may be directly connected or indirectly connected through an intermediate medium, and those of ordinary skill in the art can understand the specific meanings of the above terms according to specific circumstances.

The utility model provides an LED energy-saving lamp, as shown in Figures 1-4, comprising a threaded connector 1, a lamp holder 2 and a lamp body 3, the upper end of the threaded connector 1 is fixedly connected with a lamp holder 2, and the upper end of the lamp holder 2 A lamp body 3 is provided, a cavity 21 is arranged inside the lamp holder 2, a driving circuit board 22 and a cooling fan 23 are fixedly installed inside the cavity 21, and a number of heat dissipation through holes 24 are horizontally opened on the outer wall of the lamp holder 2. The heat dissipation through holes The 24 holes are communicated with the cavity 21, the top of the lamp holder 2 is provided with an air outlet 25, the lamp body 3 includes a radiator 31, an LED lighting body 32 and a lampshade 33, and the lower end of the radiator 31 is fixedly connected with the upper end of the lamp holder 2 by screws, The radiator 31 includes a circular radiating pipe body 311 and a plurality of fins 312 connected to the inner wall of the radiating pipe body 311 and uniformly distributed vertically and extending toward the central axis of the radiating pipe body 311 . The outer wall of the radiating pipe body 311 is provided with LEDs The lighting body 32, the outer cover of the LED lighting body 32 is provided with a lampshade 33, the lower end of the lampshade 33 is connected with the upper end of the lamp holder 2, and the top of the lampshade 33 is provided with an air intake through hole 331; the cooling fan 23 and the LED lighting body 32 are respectively connected with The driving circuit board 22 is electrically connected.

Specifically, in this embodiment, a vertical heat dissipation channel is provided at the center of the heat sink 31 .

When the utility model is in use, the energy-saving lamp is connected to the external bulb mounting seat through the threaded connector 1, and the power is turned on, the driving circuit board 22 drives the LED lighting body 32 to emit light, and drives the cooling fan 23 to rotate at the same time. The heat generated by the LED lighting body 32 is conducted to the air inside the lampshade 33 in time, and the hot air in the lampshade 33 enters the lamp holder from the heat dissipation channel at the center of the radiator 31 under the suction force of the heat dissipation fan 23 through the air outlet 25 The cavity 21 in 2 is discharged from the outside of the lamp holder 2 through the heat dissipation through hole 24. At the same time, the ambient temperature air enters the interior of the lamp cover 33 through the air intake through hole 331 on the lamp cover 33 under the suction force of the heat dissipation fan 23. In this way, the heat dissipation and air circulation inside the energy-saving lamp are completed, the heat generated by the LED lighting body 32 is removed in time, the working environment temperature of the LED lighting body 32 is reduced, the heat dissipation effect of the energy-saving lamp is effectively improved, and the temperature of the energy-saving lamp is prevented from being too high. Causes LED light decay, strengthens the working efficiency of energy-saving lamps, and prolongs the service life of energy-saving lamps. In another preferred embodiment of the present invention, a switch is provided on the lamp holder 2, one end of the switch is electrically connected to the driving circuit board 22, and the other end of the switch is electrically connected to the cooling fan 23, and the switch is manually turned on or off as required. Cooling fan 23 . Of course, a temperature sensor can also be set in the energy-saving lamp, the real-time temperature in the energy-saving lamp can be detected by the temperature sensor, and the start and stop of the cooling fan 23 can be automatically controlled by the driving circuit board 22 when the preset temperature threshold is reached.

The utility model has the advantages of simple and reasonable structure, convenient use, good heat dissipation effect, long service life, energy saving and environmental protection, and has good use and promotion value.

In this embodiment, the heat dissipation pipe body 311 and the heat dissipation fins 312 are made of die-cast aluminum alloy, and the heat dissipation pipe body 311 and the heat dissipation fins 312 are integrally formed. The die-casting aluminum alloy has high thermal conductivity, and the heat-dissipating pipe body 311 and the heat-dissipating fins 312 provided by the utility model are made of the die-casting aluminum alloy, which effectively improves the heat dissipation effect. The heat generated by the illuminating body 32 is quickly dissipated when the illuminating body 32 is in operation. The heat-dissipating pipe body 311 and the heat-dissipating fins 312 are integrally formed, so that the heat conduction effect is better, and the production is more convenient.

In this embodiment, the LED lighting body 32 includes four strip-shaped LED lighting boards 321 that are evenly distributed vertically along the outer wall of the heat dissipation pipe body 311 . 311 on the outer wall. By evenly distributing the four LED lighting boards 321 on the outer wall of the heat dissipation pipe body 311, the lighting effect is improved, and the surrounding environment can receive light evenly. On the outer wall of the heat dissipation pipe body 311 , at the same time, the heat generated by the LED lighting board 321 can be better conducted to the heat dissipation pipe body 311 . In some other preferred embodiments of the present invention, the LED lighting body 32 can also be arranged in other ways, for example, it is arranged as a plurality of annular LED light strips arranged at intervals around the heat dissipation pipe body 311 .

In this embodiment, the LED lighting board 321 includes a PCB board 3211 and a plurality of SMD LEDs 3212 that are evenly spaced on the PCB board 3211 . The SMD LED3212 is a very small chip encapsulated in epoxy resin, which is very small, which is convenient for the design and layout of the light source. The direct light generated by the SMD LED3212 becomes softer through the hemispherical reflector 3213.

In this embodiment, the driving circuit board 22 is fixed on the inner wall of the lamp holder 2 by screws 26 , and an insulating support block 27 is provided between the driving circuit board 22 and the inner wall of the lamp holder 2 . It is fixed by the screws 26, which facilitates the disassembly and assembly of the driving circuit board 22 and the individual replacement. The insulating effect of the insulating support block 27 prevents the driving circuit board 22 from leaking to the lamp holder 2, and at the same time, the driving circuit board 22 is supported by the insulating support block 27. There is enough cooling space for better cooling.

In this embodiment, the cooling fan 23 is disposed facing the air outlet 25 , and both sides of the cooling fan 23 are fixedly connected to the inner walls of the lamp holder 2 on both sides through the connecting rods 28 . The cooling fan 23 is arranged facing the air outlet 25 to improve the air extraction and heat dissipation effect.

In this embodiment, the lampshade 33 is detachably connected to the lamp socket 2 . It is convenient to replace the lampshade 33 and the internal components of the lampshade 33 individually. In this embodiment, the lower end of the lampshade 33 is provided with a clamping block 332 , and the upper end of the lamp holder 2 is provided with a clamping slot 29 matching the clamping block 332 . The card slot 29 forms a snap connection with the card block 332, which is more convenient for disassembly and assembly.

In this embodiment, the lampshade 33 includes a light-transmitting cover 333 and a light-shielding cover 334 sleeved on the outside of the light-transmitting cover 333 and rotatable around the outer wall of the light-transmitting cover 333 . The through hole 331 and the light-transmitting cover 333 are made of transparent materials, such as transparent plastic and glass, and the light-shielding cover 334 includes a light-shielding part and a non-light-shielding part. The part is integrally formed with light-transmitting material, and an opaque coating is applied on the inner or outer wall of the shading part. The light is diffused through the light-transmitting cover 333 to improve the lighting effect and brightness; the light-shielding part of the light-shielding cover 334 is used to block part of the light, so that the light passes through the light-transmitting cover, and then the non-light-shielding part of the light-shielding cover 334 is used for directional lighting, and the outside is rotated. The light-shielding cover 334 is installed, so that the light-shielding part of the light-shielding cover 334 rotates accordingly, so as to adjust the lighting direction of the light.

In this embodiment, the lower part of the light-transmitting cover 333 is provided with an arc-shaped groove 335 concave inward, and the lower part of the light-shielding cover 334 is provided with an arc-shaped protrusion 336 protruding outward at the position opposite to the arc-shaped groove 335 , The arc-shaped groove 335 and the arc-shaped protrusion 336 together form an annular channel 337 around the transparent cover 333 . This structure makes the rotation of the outer light shield 334 more convenient and flexible.

In the description of this specification, description with reference to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples", etc., mean specific features described in connection with the embodiment or example , structure, material or feature is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention. Variations, the scope of the present invention is defined by the claims and their equivalents.

Claims (10)

1. An LED energy-saving lamp, characterized in that it comprises a threaded connector, a lamp holder and a lamp body, the upper end of the threaded connector is fixedly connected with the lamp holder, and the upper end of the lamp holder is provided with the lamp body, A cavity is arranged inside the lamp holder, a drive circuit board and a cooling fan are fixedly installed inside the cavity, and a plurality of heat dissipation through holes are laterally opened on the outer wall of the lamp holder, and the heat dissipation through holes communicate with the cavity , the top of the lamp holder is provided with an air outlet, the lamp body includes a radiator, an LED lighting body and a lampshade, the lower end of the radiator is connected to the upper end of the lamp holder, the radiator includes a heat dissipation pipe body and a The inner wall of the heat dissipation pipe body is connected to a number of heat sinks extending toward the central axis of the heat dissipation pipe body, the outer wall of the heat dissipation pipe body is provided with the LED lighting body, and the outer cover of the LED lighting body is provided with the lampshade The lower end of the lampshade is connected with the upper end of the lamp holder, the top of the lampshade is provided with an air intake through hole; the cooling fan and the LED lighting body are respectively electrically connected to the driving circuit board. 2 . The LED energy-saving lamp according to claim 1 , wherein the heat dissipation pipe body and the heat dissipation fin are made of die-cast aluminum alloy, and the heat dissipation pipe body and the heat dissipation fin are integrally formed. 3 . 3 . The LED energy-saving lamp according to claim 2 , wherein the LED lighting body comprises a plurality of elongated LED lighting boards that are evenly distributed vertically along the outer wall of the heat dissipation pipe body, and the LED lighting boards 3 . It is arranged on the outer wall of the heat dissipation pipe body through thermal conduction double-sided adhesive. 4 . The LED energy-saving lamp according to claim 3 , wherein the LED lighting board comprises a PCB board and a plurality of SMD LEDs arranged at uniform intervals on the PCB board, and the outer cover of the SMD LEDs is provided with a cover. 5 . Has dome reflector. 5. The LED energy-saving lamp according to any one of claims 1-4, wherein the driving circuit board is fixed on the inner wall of the lamp holder by screws, and the driving circuit board and the lamp holder are An insulating support block is arranged between the inner walls. 6. The LED energy-saving lamp according to any one of claims 1 to 4, wherein the cooling fan is disposed facing the air outlet, and two sides of the cooling fan are connected to the lamp socket through connecting rods. The inner walls on both sides are fixedly connected. 7 . The LED energy-saving lamp according to claim 1 , wherein the lampshade is detachably connected to the lamp socket. 8 . 8 . The LED energy-saving lamp according to claim 7 , wherein the lower end of the lampshade is provided with a clamping block, and the upper end of the lamp holder is provided with a clamping slot matched with the clamping block. 9 . 9. The LED energy-saving lamp according to claim 1, 2, 3, 4, 7 or 8, wherein the lamp cover comprises a light-transmitting cover and a light-transmitting cover that is sleeved outside the light-transmitting cover and can surround the light-transmitting cover. A light shield whose outer wall rotates, the light transmission cover is made of transparent material, and the light shield includes a light shielding part and a non-light shielding part. 10 . The LED energy-saving lamp according to claim 9 , wherein the lower part of the light-transmitting cover is provided with an arc-shaped groove that is recessed inward, and the lower part of the light-shielding cover is opposite to the arc-shaped groove. 11 . The position is provided with an arc-shaped protrusion protruding outward. The arc-shaped groove and the arc-shaped protrusion together form an annular channel around the light-transmitting cover. Balls matching the cross-sectional dimensions of the annular channel.