CN203375220U - LED candle bulb - Google Patents

Abstract

The utility model discloses a LED candle bulb, including lamp holder, heat dissipation lamp stand, LED light source subassembly, printing opacity cover, still include the drive arrangement who is connected with LED light source subassembly electricity, the inside hollow structure and holding of heat dissipation lamp stand has drive arrangement, and heat dissipation lamp stand up end is equipped with the cavity of the fixed LED light source subassembly of mountable, evenly is equipped with the heat dissipation slotted hole of a plurality of intercommunication cavities on the heat dissipation lamp stand lateral wall, and the cavity bottom is equipped with a plurality of intercommunication hollow structure's heat dissipation through-hole. The utility model discloses LED candle bulb work design is simple, has given radiating function to the lamp stand to set up a plurality of heat dissipation slotted holes and heat dissipation through-hole on the heat dissipation lamp stand, utilized the inside and outside circulation of air of bulb to take away the heat that LED lamp pearl and drive arrangement produced rapidly, the radiating efficiency is high, avoid the heat to hoard up, make LED candle bulb can normally work for a long time, the life of bulb has effectively been prolonged, and manufacturing procedure is simple moreover, and manufacturing cost is lower, is fit for mass production and uses.

Description

A LED candle light bulb

technical field

The utility model relates to the technical field of LEDs, in particular to an LED candle bulb. the

Background technique

LED lamp beads are gradually replacing incandescent and fluorescent light sources with their long life, no pollution, and high luminous efficiency. Therefore, LED candle bulbs using LEDs as light sources have appeared. At present, the problem of heat dissipation is an important problem to be solved for LED candle bulbs. The quality of the heat dissipation effect is directly related to the luminous effect and life of the lamp. The heat of the LED lamp is concentrated in the chip with a small size, which will make the internal temperature of the chip higher and higher, which will not only accelerate the aging of the lamp, shorten the service life, and even cause the chip to burn out in severe cases. Especially for LED candle bulbs, the existing LED candle bulbs are almost all fully sealed, and the heat dissipation effect can be imagined. To solve the heat dissipation problem of LED candle bulbs, there are various heat dissipation measures for LED candle bulbs on the market. Most of the heat dissipation measures The design is cumbersome and complicated, the cost is high, and the heat dissipation effect is not ideal, which affects the service life of the LED candle bulb. the

Therefore, how to realize an LED candle bulb with simple structure and efficient heat dissipation is a technical problem to be solved urgently in the industry. the

Contents of the invention

The main purpose of the utility model is to provide an LED candle light bulb, aiming to realize an LED candle light bulb with simple structure and efficient heat dissipation. the

The utility model proposes an LED candle light bulb, which is sequentially connected with a lamp cap, a heat dissipation lamp holder, an LED light source assembly arranged on the heat dissipation lamp holder, a light-transmitting cover arranged outside the LED light source assembly, and an LED light source assembly. The driving device for the electrical connection of the components, the inside of the heat dissipation lamp holder is a hollow structure and accommodates the driving device, the upper end surface of the heat dissipation lamp holder is provided with a concave cavity that can install and fix the LED light source component, and the side wall of the heat dissipation lamp holder is uniformly provided with a number of connecting recesses The cavity has heat dissipation slots, and the bottom of the cavity is provided with a number of heat dissipation through holes connected to the hollow structure. the

Preferably, the LED light source assembly includes a light source fixing column connected and fixed at the bottom of the cavity and arranged vertically, an aluminum base plate fixed at the bottom of the cavity and electrically connected to the driving device, embedded on the side of the light source fixing column and connected to the aluminum base Aluminum-based slats electrically connected to the boards, and a number of LED lamp beads arranged on the aluminum-based slats. the

Preferably, each side of the light source fixing column is provided with a groove adapted to the aluminum base strip and embedded in the aluminum base strip. the

Preferably, each side of the light source fixing column is the same, the number of sides is set to 3 to 10, and the number of LED lamp beads on each aluminum base strip is set to 1 to 15. the

Preferably, it also includes a reflective cup that is turned upside down on the concave cavity of the heat dissipation lamp holder and is in the shape of a reversed bowl. The upper end of the reflective cup is provided with a through hole that is adapted to the LED light source assembly and surrounds the LED light source assembly. The reflective cup The outer surface is coated with a reflective layer. the

Preferably, the number of heat dissipation slots is set to 1 to 12, and the number of heat dissipation through holes is set to 1 to 8. the

Preferably, the aluminum base plate is connected to the driving device through a wire, and a wire hole for the wire to pass is provided at the bottom of the cavity. the

Preferably, the inner wall of the concave cavity is provided with an internal thread, and the position corresponding to the internal thread is provided with an external thread that fits and engages with the internal thread on the light-transmitting cover. Through the mutual engagement of the internal thread and the external thread, the light-transmitting cover is connected and fixed On the heat dissipation lamp holder, at the same time, the heat dissipation slots communicate with the concave cavity. the

Preferably, the heat-dissipating lamp holder is integrally formed and made of heat-conducting metal, and the heat-conducting metal is aluminum, iron or copper. the

Preferably, the heat dissipation lamp base and the lamp cap are connected and fixed by screwing. the

The utility model relates to an LED candle light bulb, which is sequentially connected with a lamp cap, a heat dissipation lamp holder, an LED light source assembly arranged on the heat dissipation lamp holder, and a light-transmitting cover arranged outside the LED light source assembly from bottom to top, and also includes an LED light source assembly. Electrically connected driving device, the interior of the heat dissipation lamp holder is a hollow structure and accommodates the driving device, the upper end surface of the heat dissipation lamp holder is provided with a concave cavity that can install and fix the LED light source component, and the side wall of the heat dissipation lamp holder is evenly provided with several connected concave cavities The bottom of the concave cavity is provided with a number of heat dissipation through holes connected with the hollow structure. The LED candle light bulb of the utility model has a simple work design, and the heat dissipation function is given to the lamp holder, and a number of heat dissipation groove holes and heat dissipation through holes are arranged on the heat dissipation lamp holder, and the LED lamp beads and the driving device are connected by the air circulation inside and outside the bulb. The heat generated is quickly taken away, the heat dissipation efficiency is high, and heat accumulation is avoided, so that the LED candle bulb can work normally for a long time, effectively prolonging the service life of the bulb, and the processing procedure is simple, the production cost is low, and it is suitable for mass production applications. the

Description of drawings

Fig. 1 is the side view of an embodiment of a kind of LED candle bulb of the utility model;

Fig. 2 is an exploded schematic diagram of the three-dimensional structure of an embodiment of an LED candle light bulb of the present invention;

Fig. 3 is an enlarged top view of the heat dissipation lamp holder and the LED light source assembly in an embodiment of an LED candle light bulb of the present invention;

Fig. 4 is an enlarged view of the three-dimensional structure of the heat dissipation lamp holder and the LED light source assembly in an embodiment of an LED candle light bulb of the present invention.

The realization of the purpose of the utility model, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings. the

Detailed ways

It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model. the

Referring to Fig. 1 to Fig. 4, an embodiment of an LED candle light bulb of the present utility model is proposed, which is sequentially connected with a lamp cap 100, a heat dissipation lamp holder 200, an LED light source assembly provided on the heat dissipation lamp holder 200, and a cover device. The candle-shaped transparent cover 400 outside the LED light source assembly also includes a driving device 500 electrically connected to the LED light source assembly. the

The interior of the heat dissipation lamp holder 200 is a hollow structure 201 and accommodates a driving device 500 . The upper surface of the heat dissipation lamp holder 200 is provided with a concave cavity 202 for mounting and fixing an LED light source assembly. The side wall of the heat dissipation lamp holder 200 is uniformly provided with a plurality of heat dissipation slots 203 communicating with the concave cavity 202 , and the number of heat dissipation slots 203 is set to be 1 to 12. The bottom of the concave cavity 202 is provided with a plurality of heat dissipation through holes 204 communicating with the hollow structure 201 , and the number of heat dissipation through holes 204 is set to 1 to 8. The heat dissipation slot 203 can increase the contact area with the outside air, and at the same time has the function of ventilation, the air inside the bulb can communicate with the outside air, and the outside air can enter the light-transmitting cover 400 through the heat dissipation slot 203 and circulate. In this way, the heat on the LED light source assembly is quickly taken away; in addition, the heat dissipation through hole 204 communicates with the hollow structure 201 and the cavity 202 of the heat dissipation lamp holder 200, so that the hot air of the driving device 500 in the hollow structure 201 can flow into the cavity 202 , and through the heat dissipation slots 203 to the outside of the bulb, the heat dissipation efficiency of the heat dissipation slots 203 and the heat dissipation through holes 204 is very high. the

The heat-dissipating lamp holder 200 is integrally formed and made of heat-conducting metal. The heat-conducting metal is aluminum, iron or copper. The heat can be quickly spread throughout the heat-dissipating lamp holder 200 and dissipated, further improving the heat dissipation efficiency. the

The inner wall of the concave cavity 202 is provided with an internal thread 205, and the light-transmitting cover 400 is provided with an external thread 401 adapted to and engaged with the internal thread 205 at a position corresponding to the internal thread 205. Through the mutual engagement of the internal thread 205 and the external thread 401, the The light-transmitting cover 400 is connected and fixed on the heat-dissipating lamp holder 200 , and meanwhile, the light-transmitting cover 400 does not prevent the heat-dissipating slot hole 203 from communicating with the concave cavity 202 . In addition, the heat dissipation lamp holder 200 and the lamp cap 100 are also connected and fixed by screwing. The heat dissipation lamp holder 200 and the light transmission cover 400, and the heat dissipation lamp holder 200 and the lamp cap 100 are connected and fixed by screw connection, the installation and disassembly operations are very simple, the maintenance is convenient, and parts can be replaced flexibly. the

The LED light source assembly includes a light source fixing column 301 connected and fixed at the bottom of the cavity 202 and vertically arranged, an aluminum base plate 302 fixed at the bottom of the cavity 202 and electrically connected to the driving device 500, embedded on the side of the light source fixing column 301 and An aluminum-based strip 303 electrically connected to the aluminum-based strip 302 , and several LED lamp beads 304 arranged on the aluminum-based strip 303 . The aluminum base plate 302 is connected to the driving device 500 through wires, and the bottom of the cavity 202 is provided with a wire hole 206 for the wires to pass through. Each side of the light source fixing column 301 is provided with a groove adapted to the aluminum-based strip 303 and for the aluminum-based strip 303 to be embedded therein. Each side of the light source fixing column 301 is the same, the number of sides is set to 3 to 10, and the number of LED lamp beads 304 on each aluminum base strip 303 is set to 1 to 15. In this way, the entire LED light source assembly becomes an all-round three-dimensional luminous body with large illumination area, reasonable light distribution, ideal luminous effect and high light utilization rate. The more sides the light source fixing column 301 has, the more comprehensive the light emitting angle and the more three-dimensional and uniform light. At the same time, the light source fixing column 301 is also made of heat-conducting metal, the aluminum base strip 303 is embedded in the groove of the light source fixing column 301, the contact area between the aluminum base strip 303 and the light source fixing column 301 is large so that the aluminum base strip The heat on 303 can be transferred to the light source fixing column 301 rapidly. the

The LED candle light bulb of the present utility model also includes a reflective cup 600 that is turned upside down on the concave cavity 202 of the heat dissipation lamp holder 200 and is in the shape of a reversed bowl. The upper end of the reflective cup 600 is provided with a And the through hole surrounding the LED light source assembly, the outer surface of the reflective cup 600 is coated with a reflective layer. In this way, the light irradiated downwards is reflected by the reflector 600 when it hits the reflector 600, so that the light bulb has no dark area and the light utilization rate is high. At the same time, the reflector 600 can effectively cover the aluminum base plate 302, so that the LED Candle bulbs look more aesthetically pleasing. the

The LED candle light bulb of the utility model has a simple work design, and the function of heat dissipation is given to the lamp holder, and a number of heat dissipation groove holes 203 and heat dissipation through holes 204 are set on the heat dissipation lamp holder 200, and the LED lamp beads The heat generated by 304 and the driving device 500 is quickly taken away, the heat dissipation efficiency is high, and heat accumulation is avoided, so that the LED candle bulb can work normally for a long time, effectively prolonging the service life of the bulb, and the processing procedure is simple, the production cost is low, and it is suitable for large quantities. production application. the

The above are only preferred embodiments of the present utility model, and are not therefore limiting the patent scope of the present utility model. All equivalent structural transformations made by using the utility model specification and accompanying drawings are directly or indirectly used in other related technologies. Fields are all included in the scope of patent protection of the utility model in the same way. the

Claims (10)

1. a LED candle bulb, be connected with from the bottom to top lamp holder in turn, cooling lamp holder, be located at the LED light source assembly on described cooling lamp holder, be located at the outer diffuser of described LED light source assembly, also comprise the drive unit be connected with described LED light source electrical component, it is characterized in that, described cooling lamp holder inside is for hollow-core construction and be equipped with described drive unit, described cooling lamp holder upper surface is provided with the cavity that fixing described LED light source assembly can be installed, evenly be provided with the heat radiation slotted eye of the described cavity of some connections on described cooling lamp holder sidewall, described cavity bottom is provided with the heat radiation through hole of the described hollow-core construction of some connections.

2. a kind of LED candle bulb according to claim 1, it is characterized in that, described LED light source assembly comprises and is connected and fixed on described cavity bottom vertically disposed light source fixed leg, is fixedly arranged on described cavity bottom the aluminium base base plate be electrically connected to described drive unit, is embedded on described light source fixed leg side and the aluminium base batten be electrically connected to described aluminium base base plate, is laid in the some LED lamp pearls on described aluminium base batten.

3. a kind of LED candle bulb according to claim 2, is characterized in that, is equipped with one on each side of described light source fixed leg and also for described aluminium base batten, is embedded groove wherein with described aluminium base batten is adaptive.

4. a kind of LED candle bulb according to claim 3, is characterized in that, each side of described light source fixed leg is all identical, and the quantity of described side is set to 3 to 10, and the quantity of the described LED lamp pearl on each described aluminium base batten is set to 1 to 15.

5. according to claim 1 or 2 or 3 or 4 described a kind of LED candle bulbs, it is characterized in that, also comprise back-off on the cavity of described cooling lamp holder and be the bowl-shape reflector of left-hand thread, described reflector upper end is provided with through hole adaptive with described LED light source assembly and that described LED light source assembly is enclosed, and described reflector outer surface is coated with reflector layer.

6. a kind of LED candle bulb according to claim 5, is characterized in that, the quantity of described heat radiation slotted eye is set to 1 to 12, and the quantity of described heat radiation through hole is set to 1 to 8.

7. a kind of LED candle bulb according to claim 6, is characterized in that, described aluminium base base plate is connected by wire with described drive unit, and described cavity bottom is provided with the line hole of passing through for described wire.

8. a kind of LED candle bulb according to claim 7, it is characterized in that, described cavity madial wall is provided with internal thread, at described internal thread, corresponding position is provided with and the adaptive also external screw thread of interlock of described internal thread described diffuser, by described internal thread, described externally threaded mutual interlock, described diffuser is connected and fixed on described cooling lamp holder, described heat radiation slotted eye is communicated with described cavity simultaneously.

9. a kind of LED candle bulb according to claim 8, is characterized in that, be formed in one structure being made by heat-conducting metal of described cooling lamp holder, and described heat-conducting metal adopts aluminium or iron or copper.

10. a kind of LED candle bulb according to claim 9, is characterized in that, described cooling lamp holder and described lamp holder are connected and fixed by the mode of being spirally connected.

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