CN203286490U - Lamp holder structure of LED bulb - Google Patents

Abstract

The utility model discloses a lamp stand structure of LED bulb, lamp stand structure include lamp stand shell, lamp stand inner shell, inlay and locate a plurality of radiating fin between lamp stand shell, the lamp stand inner shell and play the connection. The air flow can longitudinally flow in the channels among the radiating fins and quickly take away heat, and the radiating fins are arranged into a vortex shape, so that the surface area of the contact between the radiating fins and the air is larger, and the air flow in each direction can flow into the radiating fins. The side wall of the lamp holder inner shell is provided with a plurality of annular ventilation grooves. Air flow between the heat radiating fins can enter the inner shell of the lamp holder through the annular ventilating grooves and take away heat in the inner shell of the lamp holder. The utility model discloses a lamp stand structure is provided with radiating fin, the annular ventilation groove of swirl shape, and lamp stand structure integrated into one piece and make by the heat conduction material, and under the multiple heat dissipation measure, the long-term normal work of LED bulb is ensured to the radiating effect ideal.

Description

Lamp holder structure of LED bulb

technical field

The utility model relates to the technical field of LED light bulbs, in particular to a lamp holder structure of the LED light bulbs.

Background technique

At present, LED light sources are gradually replacing incandescent and fluorescent light sources with the characteristics of long life, no pollution, and high luminous efficiency. Therefore, LED bulbs using LEDs as light sources have appeared. LED light bulbs generally include a lamp cap, a lamp holder structure, a light-transmitting cover, a driving device arranged in the lamp holder structure, and an LED light source circuit board arranged on the lamp holder structure. However, the problem of heat dissipation of the LED light source circuit board It is an important problem that LED bulbs need to solve. The quality of heat dissipation is directly related to the luminous effect and life of LED bulbs. The heat of the LED light source is concentrated on the circuit board with a small size, which will make the internal temperature of the bulb higher and higher, which will not only accelerate the aging of the bulb, but also shorten the service life. Most of the existing LED light bulbs improve the heat dissipation effect through the design of the lamp holder structure, but the existing structure design of the lamp holder is relatively cumbersome and complicated, and the heat dissipation effect is not ideal, which affects the normal operation and service life of the LED light bulb.

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

Utility model content

The main purpose of the utility model is to provide a lamp holder structure for an LED bulb, aiming at realizing a lamp holder structure for an LED bulb with a simple structure and efficient heat dissipation.

The utility model proposes a lamp holder structure of an LED light bulb. The LED bulb includes a sequentially connected lamp cap, a lamp holder structure, and a light-transmitting cover, and also includes a driving device arranged in the lamp holder structure, and an LED light source circuit board arranged on the lamp holder structure. , the lamp holder structure includes a lamp holder outer shell, a lamp holder inner shell sleeved in the lamp holder outer shell, a number of cooling fins embedded between the lamp holder outer shell and the lamp holder inner shell and acting as a connection, the upper end surface of the lamp holder shell The upper end surface of the inner shell of the lamp holder forms a mounting surface for mounting and fixing the LED light source circuit board. Several heat dissipation fins form a swirl shape. The side wall of the inner shell of the lamp holder is provided with a number of annular ventilation grooves connected to the heat dissipation fins.

Preferably, the inner housing of the lamp holder is in the shape of a hollow cylinder, and the upper end surface of the inner housing of the lamp holder is provided with a plurality of heat dissipation through holes and a plurality of wire holes. connect.

Preferably, the upper end of the housing of the lamp holder is provided with a detent that can be clamped and fixed with the light-transmitting cover, and the lower end of the inner side wall of the lamp holder is provided with an internal thread that can be screwed and fixed with the lamp cap.

Preferably, the number of annular ventilation slots is set to be 1 to 4.

Preferably, the overall height of the outer shell of the lamp socket is smaller than that of the inner shell of the lamp socket, so that the lower ends of the heat dissipation fins are exposed to the air.

Preferably, the structure of the lamp holder is an integrally formed structure.

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

The utility model relates to a lamp holder structure of an LED light bulb. The LED bulb includes a lamp holder connected in sequence, a lamp holder structure, a light-transmitting cover, a driving device arranged in the lamp holder structure, and an LED light source circuit arranged on the lamp holder structure. The lamp holder structure includes a lamp holder outer shell, a lamp holder inner shell sleeved in the lamp holder outer shell, and a number of cooling fins embedded between the lamp holder outer shell and the lamp holder inner shell and acting as connections. The airflow can flow longitudinally in the channels between the cooling fins and quickly take away the heat, and the cooling fins of the utility model are arranged in a swirl shape, so that the surface area of the cooling fins in contact with the air is larger, which is beneficial to the transfer of heat and Distributed, and can make the air flow in all directions into the cooling fins. The upper end surface of the lamp holder shell and the upper end surface of the lamp holder inner shell form a mounting surface on which the LED light source circuit board can be installed and fixed. Several heat dissipation fins form a swirl shape, and the side wall of the lamp holder inner shell is provided with a number of annular rings connected to the heat dissipation fins. ventilation slots. When the air flow flows into the channel between the cooling fins, it can enter the inner shell of the lamp holder through the annular ventilation groove and take away the heat in the inner shell of the lamp holder. The lamp holder structure of the utility model is provided with vortex-shaped heat dissipation fins and annular ventilation grooves, and the lamp holder structure is integrally formed and made of heat-conducting materials. Under multiple heat dissipation measures, the heat dissipation effect is ideal, and the heat is not hoarded, ensuring the LED light bulb. Long-term normal work, prolong service life.

Description of drawings

Fig. 1 is one of the three-dimensional structural schematic diagrams of an embodiment of the lamp holder structure of the LED light bulb of the present invention;

Fig. 2 is the second three-dimensional structural schematic diagram of an embodiment of the lamp holder structure of the LED light bulb of the present invention;

Fig. 3 is a side view of an embodiment of the lamp holder structure of the LED light bulb of the present invention;

Fig. 4 is a top view of an embodiment of the lamp holder structure of the LED light bulb of the present invention;

Fig. 5 is a bottom view of an embodiment of the lamp holder structure of the LED 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.

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.

Referring to Fig. 1 to Fig. 5, an embodiment of the lamp holder structure of the LED light bulb of the present invention is proposed. The LED bulb includes a lamp cap connected in sequence, a lamp holder structure, a light-transmitting cover, and a driving device arranged in the lamp holder structure , The LED light source circuit board arranged on the lamp holder structure.

The lamp holder structure includes a lamp holder outer shell 101 , a lamp holder inner shell 102 sheathed in the lamp holder outer shell 101 , and a plurality of cooling fins 103 embedded between the lamp holder outer shell 101 and the lamp holder inner shell 102 and functioning as connections. The upper end surface of the lamp holder shell 101 and the upper end surface of the lamp holder inner shell 102 form a mounting surface, and the LED light source circuit board is installed and fixed on the mounting surface, so that the heat generated by the LED light source circuit board can be promptly and quickly spread throughout the mounting surface. The entire structure of the lamp holder. The inner shell 102 of the lamp holder is in the shape of a hollow cylinder. The upper surface of the inner shell 102 of the lamp holder is provided with a number of heat dissipation through holes 104 and a number of wire holes 105. The driving device is arranged in the hollow cylinder and passes through the wire holes 105 and the LED light source circuit board electrical connections.

The upper end of the lamp holder shell 101 is provided with a card pattern 106 that can be clamped and fixed with the light-transmitting cover, and the lower end of the inner wall of the lamp holder inner shell 102 is provided with an internal thread 107 that can be screwed and fixed with the lamp cap, so that the entire LED bulb The assembly is very simple and the production efficiency is high.

The air flow can flow longitudinally in the channels between the heat dissipation fins 103 and quickly take away the heat, and the heat dissipation fins 103 of the present utility model are arranged in a swirl shape, so that the surface area of the heat dissipation fins 103 in contact with the air is larger, which is beneficial to heat dissipation. The transmission and distribution of air flow in all directions can flow into the cooling fins 103 . The side wall of the inner shell 102 of the lamp holder is provided with a number of annular ventilation grooves 108 connected to the heat dissipation fins 103, and the number of the annular ventilation grooves 108 is set to 1 to 4, so that the airflow flows to the space between the heat dissipation fins 103. When passing through, the annular ventilation groove 108 can enter into the inner shell 102 of the lamp holder and take away the heat in the inner shell 102 of the lamp holder. In addition, the overall height of the lamp base shell 101 is smaller than the overall height of the lamp base inner shell 102, so that the lower end of the heat dissipation fin 103 is exposed to the air, which effectively increases the contact area between the heat dissipation fin 103 and the external air and accelerates the air flow. The flow rate also facilitates the incorporation of cross-flow airflow. The structure of the lamp holder is integrally formed and made of heat-conducting metal. The heat-conducting metal is aluminum, iron or copper, so that the heat can be spread throughout the entire lamp holder structure in a timely and rapid manner.

In this way, the heat generated by the driving device located in the lamp holder inner shell 102 can be dissipated to the heat dissipation fins 103 and the outside air through the heat dissipation through hole 104 and the annular ventilation groove 108, and the heat generated by the LED light source circuit board can be passed through the close-fitting The installation surface quickly spreads throughout the entire lamp holder structure, and the colder airflow outside the longitudinal and lateral flows can enter the vortex-shaped heat dissipation fins 103 and flow into the light-transmitting cover, and can also enter the lamp through the annular ventilation slot 108. The seat inner shell 102 quickly dissipates the hot air in the LED bulb to the outside of the lamp, and the heat dissipation efficiency is high. The lamp holder structure of the LED light bulb of the utility model is provided with vortex-shaped heat dissipation fins 103, annular ventilation grooves 108, and heat dissipation through holes 104, and the lamp holder structure is integrally formed and made of heat-conducting materials. Under multiple heat dissipation measures, the heat dissipation effect is ideal. , the heat is not hoarded, ensuring the long-term normal operation of the LED bulb and prolonging the service life. In addition, by slightly adjusting the specifications of the lamp holder structure of the present invention, the lamp holder structure can also be applied to the LED downlight, so that the LED downlight can also achieve the effect of efficient heat dissipation.

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.

Claims (7)

1.LED the holder structure of bulb, described LED bulb comprises the lamp holder that connects successively, described holder structure, diffuser, also comprise the drive unit of being located in described holder structure, be located at the LED light source circuit board on described holder structure, it is characterized in that, described holder structure comprises outer cover of lamp holder, be sheathed on the lamp socket inner casing in described outer cover of lamp holder, be embedded at described outer cover of lamp holder, also play some radiating fins of connection function between described lamp socket inner casing, described outer cover of lamp holder upper surface and described lamp socket inner casing upper surface form the installed surface that fixing described LED light source circuit board can be installed, described some radiating fins form the whirlpool shape, the sidewall of described lamp socket inner casing is provided with some loop vent grooves that are communicated to described radiating fin.

2. the holder structure of LED bulb according to claim 1, it is characterized in that, described lamp socket inner casing is the hollow cylinder shape, described lamp socket inner casing upper surface is provided with some heat radiation through holes and some lines hole, and described drive unit is located in described hollow cylinder and by wire, is passed described line hole and is electrically connected to described LED light source circuit board.

3. the holder structure of LED bulb according to claim 2, it is characterized in that, described outer cover of lamp holder upper end position place is provided with the card line that can connect and fix with described diffuser, the madial wall lower end position of described lamp socket inner casing be provided with can with the described lamp holder fixing internal thread that is spirally connected.

4. the holder structure of according to claim 1 and 2 or 3 described LED bulbs, is characterized in that, the quantity of described loop vent groove is set as 1 to 4.

5. the holder structure of LED bulb according to claim 4, is characterized in that, the whole height of described outer cover of lamp holder is less than the whole height of described lamp socket inner casing, and described radiating fin end portion is exposed in air.

6. the holder structure of LED bulb according to claim 5, is characterized in that, the described holder structure structure that is formed in one.

7. the holder structure of LED bulb according to claim 6, is characterized in that, described holder structure adopts heat-conducting metal to make, and described heat-conducting metal adopts aluminium or iron or copper.

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