Lamp device and lighting apparatus
A technology for lighting fixtures and lamp sockets, applied in lighting devices, lighting and heating equipment, gas-proof/waterproof devices, etc., can solve problems such as inconvenience, inability to efficiently dissipate heat from heat sinks, general products and methods without suitable structures and methods, etc. , to achieve efficient heat dissipation and prevent the reduction of light output
Inactive Publication Date: 2010-03-24
TOSHIBA LIGHTING & TECH CORP
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Problems solved by technology
[0005] However, when the above-mentioned lamp device is attached to an existing lighting fixture using a light bulb, there is a problem that efficient heat dissipation cannot be performed from the heat sink because the heat sink is arranged inside the lighting fixture.
[0006] It can be seen that the above-mentioned existing lamp devices and lighting fixtures obviously still have inconvenience and defects in product structure, manufacturing method and use, and need to be further improved urgently.
In order to solve the above-mentioned problems, the relevant manufacturers have tried their best to find a solution, but no suitable design has been developed for a long time, and there is no suitable structure and method for general products and methods to solve the above-mentioned problems. This is obviously a problem that relevant industry players are eager to solve
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Embodiment Construction
[0079] In order to further explain the technical means and effects of the present invention to achieve the intended purpose of the invention, the specific implementation, structure, method and steps of the lamp device and lighting fixture proposed according to the present invention will be described below in conjunction with the accompanying drawings and preferred embodiments. , features and their effects are described in detail below.
[0080] Hereinafter, embodiments of the present invention will be described with reference to the drawings. figure 1 It shows 1st Embodiment and is a cross-sectional view of the lighting fixture using a lamp device.
[0081] exist figure 1 Among them, 11 represents a lighting fixture, and the lighting fixture 11 is an outdoor lighting fixture with a waterproof function, including a lighting fixture body 12, a socket 13 disposed in the lighting fixture body 12, and a socket 13 mounted on the socket 13 so as to be closely mounted. The lamp de...
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The present invention provides a lamp device 14 which can perform high-efficiency heat radiation from heat radiation fins 45. The inner surface of one side of a heat transfer member 22 is provided with a substrate 32 of an LED 33. The other end of a diameter expanding part 37 which expands to the other side of the heat transfer member 22 is provided with a plurality of heat radiation fins 45. Evenat a state that the lamp device 14 is equipped to an existing lighting device 11, the heat radiation fins 45 must be positioned to the outside of the lighting device 11 thereby performing high-efficiency heat radiation to the heat radiation fins 45. The surface of a diameter expanding part 37 of the heat transfer member 22 is formed to a curved surface which is continuous in the circumferential direction and corresponding with a waterproof device structure that is equipped to the lighting device 11 through close abutting.
Description
technical field [0001] The present invention relates to a lamp device using a light emitting element, and a lighting fixture using the lamp device. Background technique [0002] In the past, because it can be used instead of a light bulb, in a lamp device using a light emitting diode (Light Emitting Diode, LED) as a light emitting element, the substrate on which the LED is installed is mounted on a metal heat sink, and on this heat sink via The socket is attached with a cover, and a lighting circuit for lighting the LED is accommodated in the cover. [0003] In the above-mentioned lamp device, since heat generated from the LEDs increases the temperature of the LEDs, reduces the light output of the LEDs, and shortens the lifespan of the LEDs, efforts are made to suppress the temperature rises of the LEDs. Therefore, a plurality of radiating fins are provided around the radiator or the like (for example, refer to Patent Document 1). [0004] Patent Document 1: Japanese Paten...
Claims
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IPC IPC(8): F21S2/00F21V19/00F21V29/00F21V3/00F21Y101/02
CPCF21V29/2231F21V29/246F21V29/242F21K9/137F21V31/005F21K9/00F21Y2101/02F21V29/004F21V31/04F21V29/773F21V29/86F21V29/89F21K9/233F21Y2115/10
Inventor 柴原雄右别所诚玉井浩贵
Owner TOSHIBA LIGHTING & TECH CORP