JP3207701U - LED lighting device for room lamp - Google Patents

Abstract

An LED lighting device for room lamps that can easily replace a small light bulb of a room lamp of an automobile with an LED. A plate-like base that can be set in a case A of an automobile room lamp, a number of LED elements 2 attached to the surface of the base, a circuit board attached to the back surface of the base, and a circuit board fixed to the circuit board. And a connection board protruding rearward of the circuit board. The base has a shape and size that can be set in the case from the front of the case, and the connection board is attached directly to the circuit board and protrudes behind the circuit board, and is attached by being inserted into the socket provided in case A The connection terminal of the connection board can be electrically connected to the electrode of the socket. [Selection] Figure 1

Description

  The present invention relates to indoor lighting (room lamps) for automobiles, light trucks, light vans, and light passenger cars (hereinafter collectively referred to as “light cars”).

  There are various types of room lamps for mini cars, but the main types of room lamps (genuine room lamps) that are installed when mini cars are sold are those shown in FIGS. . In this case, a socket B is provided in a case A made of hard resin, a small light bulb is attached to the socket B, and a cover C is attached to the front surface of the case A. Many light vehicle sockets B use T10 type sockets. The case A is usually fixed with a screw D on the front ceiling side between the driver seat and the passenger seat. In FIG. 6, E is a room mirror. (Non-Patent Document 1).

  Since the room lamp is a small light bulb, if the cover A is put on the case A, the illumination is dark, and it may be difficult to read or write fine characters in the room.

  In order to solve the above-mentioned difficulty, an LED illuminator capable of replacing the small light bulb with an LED has been developed. When the LED is replaced, the room becomes brighter, but there are problems that it is difficult to attach the LED substrate to the case A, or the wiring is troublesome.

http://item.rakuten.co.jp/auc-led/10000233/

  The problem to be solved by the present invention is to realize an LED lighting device for room lamp that can easily replace a small light bulb of a room lamp of an automobile, particularly a light automobile, with an LED.

  The LED lighting device for room lamp of the present invention is a plate-like base that can be set in an existing room lamp case, a number of LED elements attached to the surface of the base, a circuit board attached to the back surface of the base, and a circuit A connection board is provided which is fixed to the board and protrudes rearward of the circuit board. The base has a shape and size that can be set inside the case from the front of the case. The connection board has a shape that can be inserted into and removed from a socket (many of which are “T10 type sockets”) mounted on the case, and is detachable, rigid, and can be electrically connected to the socket on the connection board. Connection terminals (electrodes) are attached.

The LED lighting device for room lamp of the present invention has the following effects.
(1) Since the concave portion covering the outside of the projection of the case is provided, the base of the LED lighting device can be easily set in the case from the front surface of the case.
(2) Since the connection board provided with the connection terminals protrudes rearward of the back surface of the circuit board, it is electrically connected simply by inserting the connection board into the socket of the case. It is simple. In addition, since there is no lead wire, the configuration is simple and easily fits in the case.
(3) Since the base is supported by the connection board by inserting the connection terminal protruding rearward of the back side of the circuit board into the case socket, a space (space) is created between the back side of the base and the case. A heat dissipating material can be disposed on the heat dissipating material.

Explanatory drawing of the state which equipped the LED lighting apparatus for room lamps of this invention in the case of the room lamp. BRIEF DESCRIPTION OF THE DRAWINGS Front side explanatory drawing of the LED lighting apparatus for room lamps of this invention. The back side explanatory drawing which made the notch part face down the LED lighting apparatus for room lamps of this invention. The back side explanatory drawing which made the notch part upward for the LED lighting apparatus for room lamps of this invention. The partial sectional view of the LED lighting device for room lamps of the present invention. Explanatory drawing of the conventional room lamp. Explanatory drawing of the state which removed the cover of the conventional room lamp.

(Embodiment)
The LED lighting device for room lamp of the present invention is configured such that an existing small light bulb of a room lamp attached to a light vehicle can be replaced with an LED. In the existing room lamp, the case A is fixed to the ceiling between the driver seat and the passenger seat with a screw D, the case B has a socket B, and the socket B is equipped with a small bulb so that it can be attached and detached. The opening C covers the cover C, and the small light bulb is turned on and off when the switch SW is slid left and right. Case A is often made of hard wood.

  The LED lighting device for room lamps of the present invention uses an existing room lamp case A, socket B, cover C, etc. as they are, so that only a small light bulb can be replaced with an LED. As an example, the LED lighting apparatus for room lamps of FIGS. 1 to 5 includes a plate-like base 1 that can be set in a case A of an existing room lamp, a number of LED elements 2 attached to the surface of the base 1, A circuit board 3 attached to the back surface and a connection board 4 fixed to the circuit board 3 and projecting rearward of the circuit board 3 are provided.

  The base 1 is a metal plate and has a shape and size that can be set from the front surface of the case A to the inside of the case A. A longitudinal groove-shaped notch (vertical opening) 5 and a horizontally long notch (horizontal opening) 6 are provided. I have. The vertical opening 5 is of a size that can be put on the outer periphery of the vertical protrusion F protruding to the front side of the case A, and the horizontal opening 6 is put on the outer periphery of the horizontal protrusion G protruding to the front side of the case A. It is the size that can be. The base 1 may be made of a resin plate or other material if possible. The base 1 is preferably made of aluminum having excellent heat dissipation.

  An existing LED element can be used for the LED element 2. A number of the illustrated LED elements 2 are attached to the surface of the base 1. These LED elements 2 can be individually attached to the base 1, but are attached to a sheet or film (hereinafter referred to as “sheet”) 7 and the sheet 7 is attached to the base 1. Can also be attached to 1. Although the illustrated LED elements 2 are attached to the substantially front surface of the base 1 at substantially uniform intervals, the number and arrangement of the LED elements 2 can be arbitrarily designed.

  The circuit board 3 is a general-purpose board used for the wiring of the LED element 2 and includes an electrical circuit and electrical components necessary for turning on and off the LED element 2. The circuit board 3 is connected to the LED element 2 by a lead wire 8 (FIG. 3).

  The connection board 4 has a shape and rigidity that can be directly inserted into or extracted from the socket B of an existing room lamp, and has a connection terminal (electrode) 4a on one side. The electrode 4 a is electrically connected to the circuit board 3. Many of the existing room lamp sockets B are T10 type. The illustrated connection board 4 is detachable from the T10 type. The connection board 4 is directly attached to the circuit board 3 and protrudes at a right angle behind the circuit board 3. The attachment angle of the connection board 4 to the circuit board 3 can be designed to be easily inserted and removed from the socket B. The electrode 4a can be electrically connected to the electrode of the socket B. It is desirable that the connection board 4 has rigidity capable of supporting the base 1 when inserted into the socket B. By inserting the rigid connection board 4 into the socket B, a space (between the back surface of the base 1 and the case A ( Space). A heat dissipating material can also be disposed in this space. As the heat dissipating material, a metal having excellent heat dissipating property or other material can be used. The shape and structure can be arbitrarily designed. For example, an aluminum plate or other metal plate provided with heat radiation fins, or a shape or structure other than a plate shape may be used. This heat dissipating material can be fixed to the base 1 with screws, or can be adhered and fixed with an adhesive material excellent in heat dissipation. If possible, without being fixed to the base 1, it can be sandwiched in the space between the back surface of the base 1 and the case A, or can be prevented from coming out of the space by any other means.

(Example of use)
In order to use the LED lighting device for room lamps of the present invention, it is as follows.
(1) Remove the cover C of the room lamp and remove the small bulb from the socket B.
(2) The LED lighting device is set in the case A from the front opening of the case A with the cover C removed. In this case, the vertical opening 5 is put on the outer periphery of the vertical protrusion F of the case A, the horizontal opening 6 is put on the outer periphery of the horizontal protrusion G of the case A, and the connection substrate 4 is pushed into the socket B and attached. Thereby, the LED lighting device does not come off from the socket B and does not come off from the case A.
(3) Cover the case A with the cover C to complete the attachment.

  After the attachment is completed, the LED element 2 can be turned on or off by sliding the switch SW.

  In the above embodiment, the shape of the case A of the existing room lamp is illustrated, and the socket B is a T10 type. However, the basic configuration of the room lamp LED lighting device of the present invention can be set in the case A. The base 1 has a vertical opening 5 and a horizontal opening 6 that can be placed on the outer periphery of the vertical protrusion F and the horizontal protrusion G of the case A, and there is an LED on the surface of the base 1. There is a circuit board 3 on the back surface, and a connection board 4 protrudes behind the circuit board 3. If this basic configuration is provided, even if the shape of the case A is other than that illustrated, or the socket B is other than the T10 type, the base 1 is matched to the case A having a shape other than that illustrated, If the vertical opening 5 and the horizontal opening 6 are aligned with the vertical protrusions F and G of the case A and the connection board 4 is designed according to a socket other than the T10 type, it can be used for other room lamps. .

  Although the said embodiment is a case where it mounts | wears with the room lamp already attached to the light vehicle, the LED lighting apparatus for room lamps of this invention can be used also for the room lamp already attached to the other vehicle not only to a light vehicle. It can also be installed at the time of manufacture of the automobile.

DESCRIPTION OF SYMBOLS 1 Base 2 LED element 3 Circuit board 4 Connection board 4a Connection terminal (electrode)
5 Vertical opening 6 Horizontal opening 7 Sheet 8 Lead wire A Case B Socket C Cover D Screw E Room mirror F Vertical protrusion G Horizontal protrusion SW Switch

Claims (3)

In an LED lighting device that can be installed in a car room lamp case,
A plate-like base that can be set in the case, a number of LED elements attached to the surface of the base, a circuit board attached to the back surface of the base, and a connection board that is fixed to the circuit board and protrudes behind the circuit board With
The base is a shape and size that can be set in the case from the front of the case,
The connection board can be installed by inserting it into the socket equipped in the case, and it is attached directly to the circuit board and protrudes behind the circuit board, and the connection terminal of the connection board is electrically connected to the electrode of the socket Is possible,
An LED lighting device for room lamps. The LED lighting device for room lamp according to claim 1,
The base has an opening that can be put on the outer periphery of the protrusion of the case.
An LED lighting device for room lamps. In the room lamp LED lighting device according to claim 1 or 2,
Many LED elements are arranged and fixed on the surface of the base, and these LED elements are connected to the circuit board on the back of the base.
An LED lighting device for room lamps.

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