JP2013058481A - Electrodeless lamp - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electrodeless lamp which comprises a lamp holder, a metal heat radiation unit, a power coupling device, and a lamp, the power coupling device comprising a core metal and an induction coil, the lamp comprising a coil cavity, and is characterized in that the metal heat radiation unit has a plurality of cooling fins disposed radially from the center in all directions.SOLUTION: A new practical embodiment of this invention comprises a metal heat radiation unit, whose special structure expands the area of heat conduction, improves heat radiation performance, decreases temperature in a coil cavity, and significantly extends a service life of the electrodeless lamp.

Description

This utility model is a special electrodeless lamp for the range of luminaires.
This electrodeless lamp consists of a lamp holder, metal heat sink, power coupling device and lamp. The power coupling device consists of a metallic core rod and induction coil. The lamp has a coiled cavity. The feature is that there are several cooling fins in the metal heat radiation part, and they are arranged radially from the center to the four sides. This utility model has a metal heat dissipating part, and its special structure increases the heat conduction area, improves the heat dissipating capacity, reduces the temperature of the coil cavity, and extends the service life of the electrodeless lamp. Was done.

Electrodeless lamp is an abbreviation for high-frequency plasma discharge nonpolar lamp, and is the result of the latest science in several domains of applied optics, power electronics, plasma science, and magnet materials. Electrodeless lamps are mainly composed of three parts: a high-frequency generator (inverter), a power coupling device, and a light bulb. The current electrodeless lamp has a low heat dissipation rate, and the heat radiation of the power coupling device in the light bulb and the light bulb is low. It was difficult to do, and because the temperature during operation was high, the lamp life was adversely affected.

The purpose of this utility model development is to provide an electrodeless lamp with high heat dissipation and long life against the shortage of current technology.

One of the methods adopted by this utility model:

An electrodeless lamp consists of a lamp holder, a metal heat sink, a power coupling device and a lamp. The power coupling device consists of a core rod and an induction coil. There is a coil cavity in the center of the lamp. The feature is that there are several cooling fins in the metal heat dissipation part, and it is a launch type from the center to the four sides, the center of the cooling fin is a hole, the shape of the hole is combined with the core rod, each cooling fin has There is a gap.

The horizontal section of the cooling fin described is Y-type or single-type.

The described lamp holder consisted of a holder and a heat dissipation ceramic disc. The top of the heat dissipating ceramic disc fits into the joint screw. The bottom of the heat dissipation ceramic disk is nationally determined by connecting to the metal heat dissipation part with screws.

The lamp consists of a glass lamp and a metal ring. The metal ring is bonded to the outside of the tip of the glass lamp.

The metal ring described is connected to the metal heat sink with screws.

Two of the methods adopted by this utility model:

An electrodeless lamp consists of a lamp holder, a metal heat sink, a power coupling device and a lamp. The power coupling device consists of a mandrel and an induction coil. There is a coil cavity in the center of the lamp. The feature is that the metal heat dissipating part has several cooling fins and emits radially from the center, the metal heat dissipating part is in the shape of a round bar, the center is a shell, the tip is flat and the bottom is mouth. The cooling fins are arranged on the outer wall of the metal heat radiation part on the average.

The lamp holder described consists of a joint and plastic fins. The top of the plus tip fin fits with the screw on the joint. The bottom of the plus tip fin is connected to the metal heat sink with screws.

The described lamp consists of a glass bulb and a plus tip ring. A plastic ring is attached to the outside of the bulb tip.

The plastic ring described is connected to the metal heat sink with screws.

The merit of this utility model is that the electrodeless lamp has a metal heat dissipating part, which increases the heat conduction area with a special structure, improves the heat dissipation capability, reduces the temperature of the coil cavity, The service life has been extended significantly.

The utility model example 1 will be explained with reference to FIGS.

It consists of one type of electrodeless rank, lamp holder (1), aluminum heat sink (2), power coupling device (3) and lamp (4). The power coupling device (3) consists of a core 31 and an induction coil 32. There is a coil cavity 33 at the center of the lamp. There are a number of cooling fins 22 in the aluminum heat dissipating part 2, and they are fired from the center to the four sides. The center 21 is a round bar of shell, and the shape is matched with the core 31. There is a gap between each cooling fin. The horizontal cross-section of the cooling fin 22 is Y-shaped, which increases the heat conduction area in a narrow space. And with the open structure that there is a gap, the inside air of the coil cavity 33 and the outside air circulate, improving the heat dissipation effect.

The holder 1 consists of a joint 11 and a ceramic disk 12. The top of the heat dissipating ceramic disk 12 is nationalized with the screw of the joint 11. The bottom of the heat dissipation ceramic disk 12 is connected to the aluminum heat dissipation part 2 with screws.

The lamp 4 is composed of a glass bulb 42 and an aluminum ring 41. The ring of aluminum 41 is stuck on the outside of the tip of the glass bulb 42. The light bulb and the heat dissipation part are connected with aluminum instead of plastic, and the heat dissipation part is prevented from falling due to the aging of the plus chip.

This utility model example 2 will be described with reference to FIGS.

It is composed of one kind of electrodeless lamp holder 1, metal heat dissipating part 2, power coupling device 3 and lamp 4. The power coupling device 3 is composed of a core rod 31 and an induction coil 32. There is a coil cavity 33 at the center of the lamp. The feature is that the metal heat dissipating part 2 has a number of cooling fins 22 that are arranged radially from the center, the metal heat dissipating part 2 is in the form of a round bar, the center is the shell cavity 21, the tip is flat, The bottom is the mouth, and the cooling fins 22 are arranged on the outer wall of the metal heat dissipating part 2 on the average in the vertical projections.

The lamp holder consists of a joint 11 and plastic fins 12. The top of the plus tip fin 12 fits the screw of the joint 11. The bottom of the plus chip fin is connected to the metal heat sink 2 with a screw.

Lamp 4 consisted of a glass bulb 42 and a plus tip ring 41. The plastic ring 41 is connected to the metal heat sink 2 with screws.

Is the structural diagram of this utility model example 1 Is a horizontal sectional view of the metal heat dissipating part of Utility Model Example 1 Is a front view of the metal heat dissipating part of Utility Model Example 1 Is the external view of Utility Model Example 1 Is the structural diagram of Utility Model Example 2 Is a cross-sectional view of the horizontal surface of the metal heat dissipating part of Utility Model Example 2

1. It consists of an aluminum heat radiation part 2, a power coupling device 3, and a lamp 4.
4, lamp body 11, holder joint 12, ceramic disk 21, shell round bar 22, aluminum heat sink 2, cooling fin 31, core rod 32, induction coil 33, coil cavity 41, aluminum ring 42 glass bulb

Claims (9)

An electrodeless lamp consists of a lamp holder, a metal heat sink, a power coupling device and a lamp. The power coupling device consists of a metallic core rod and induction coil. There is a coil cavity in the center of the lamp. The feature is that there are several cooling fins in the metal heat radiating part, and they are arranged radially from the center, the center of the cooling fin is hollow, the shape of the hole is combined with the core rod, and there is a gap in each cooling fin there is. The feature of the electrodeless lamp described in Patent Request 1 is that the horizontal cross section of the cooling fin is Y-type or single-type. The feature of the electrodeless lamp described in Patent Request 1 is that the lamp holder consists of a holder and a heat dissipation ceramic disk. The top of the heat dissipation ceramic disk is fixed with the screw of the holder. The bottom of the heat dissipation ceramic disk is connected and fixed with a metal heat dissipation part. The feature of the electrodeless lamp described in Patent Request 1 consists of a glass bulb and a metal ring. The metal ring is bonded to the outside of the tip of the glass bulb. The feature of the electrodeless lamp described in Patent Request 4 is that the metal ring is connected to the metal heat sink with screws. An electrodeless lamp consists of a lamp holder, a metal heat sink, a power coupling device and a lamp. The power coupling device consists of a core rod and an induction coil. There is a coil cavity in the center of the lamp. The feature is that there are several cooling fins in the metal heat dissipation part, and it is fired from the center to the four sides, the metal heat dissipation part is in the shape of a round bar, the center is a shell, the tip is flat, the bottom is the mouth The cooling fins are arranged on the outer wall of the metal heat radiation part on the average. The feature of the electrodeless lamp described in Patent Request 6 is that the lamp holder consists of a joint and plastic fins. The top of the plus tip fin fits with the screw on the joint. The bottom of the plus tip fin is connected to the metal heat sink with screws. The feature of the electrodeless lamp described in Patent Request 6 consists of a glass bulb and a plus tip ring. The plus tip ring is attached to the outside of the bulb tip. The feature of the electrodeless lamp described in Patent Request 8 is that the ring of the plus tip is connected to the metal heat sink with screws.

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