KR101481344B1 - Rotary type room lamp for bus - Google Patents

Abstract

The present invention relates to a rotary room lamp for a bus which directly or indirectly illuminates the indoor of a bus, and can select direct and indirect illumination or use both illuminations. Direct illumination to secure the intensity of indoor illumination and indirect illumination to improve sensibility of a customer are integrated in one rotary lamp, and the circuit and the mounting structure for the lamp are simplified. It is possible to directly or indirectly illuminate the indoor, and also the direct illumination and the indirect illumination can be selected or used at the same time. Also, the assembling process is simplified, and the costs can be reduced.

Description

Rotary type room lamp for bus [0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotary room lamp for a bus, and more particularly, to a rotatable room lamp for a bus that enables direct lighting and indirect lighting and allows direct or indirect lighting to be selected or used simultaneously.

Generally, the lamps installed in a room of a large bus include a room lamp which is mounted at intervals such as a reading lamp and a mood lamp mounted on a shelf disposed above each seat, a loop and a shelf above the passageway between the seats, And includes a driver's seat and an illumination lamp mounted near the door.

In the case of the room lamp, indirect lighting lamps and direct lighting lamps are separately mounted. As shown in FIG. 11, only indirect lighting lamps are lit, only direct lighting lamps are lit, or indirect lighting lamps have.

However, since the individual lamps for indirect lighting and direct lighting are individually required, there is a disadvantage that the number of components increases, and the wiring relation is complicated due to a lot of wiring for connecting the lamps. There is a problem that the assembling structure is complicated and the production and assembling property is deteriorated.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and it is an object of the present invention to provide a lighting system and a lighting system, which are capable of integrating direct lighting for securing indoor illumination and indirect lighting for improving customer- The present invention has been made to provide a rotary type room lamp for a bus, which can directly or indirectly illuminate, directly or indirectly, can be selected or used simultaneously, and the assembly process can be simplified and cost can be reduced.

According to an aspect of the present invention, there is provided a light emitting device comprising: a substrate having a plurality of LED elements; A front socket and a rear socket which are assembled electrically and integrally at both side ends of the substrate; A front circuit unit and a rear circuit unit formed in a structure in which a front socket and a rear socket are detachably fastened to a seat of a bus on which a room lamp is mounted and which apply or cut off current to the front socket and the rear socket; A pair of electromagnets each of which is electrically conductively mounted on an outer surface of the front socket and the rear socket; A pair of rotating bodies provided in a ring structure in which a plurality of permanent magnets having a polar repulsive force with the electromagnets are attached to inner diameter portions at equal intervals and are rotatably disposed on an outer diameter surface of the electromagnets; The present invention provides a room lamp for a bus.

The front circuit unit according to a preferred embodiment of the present invention includes: a first ground unit; A first conductive line and a second conductive line branched upward and downward from the first grounding portion to use a potential difference; A battery connected to the first lead; A switch for selectively connecting the first conductor and the second conductor to one end of the coil of the LED and the electromagnet; .

The rear circuit unit according to a preferred embodiment of the present invention includes: a second ground unit; A third conductor connected to the other end of the coil of the electromagnet while having a height between the first conductor and the second conductor of the front circuit part to use the potential difference; A battery connected to the third lead; .

Preferably, a cylinder of transparent material is mounted between the pair of electromagnets to protect the substrate and transmit LED light.

In addition, a plurality of screen shadows defining a light irradiation direction are connected between the pair of rotating bodies.

In addition, the front and rear circuit units are electrically connected to the front and rear sockets, respectively.

A slot of 90 DEG is formed in the inner surface of the rotating body, and a stopper inserted into the slot in the outer diameter portion of the electromagnet to limit the rotation angle of the rotating body to 90 DEG is integrally formed.

Through the above-mentioned means for solving the problems, the present invention provides the following effects.

First, unlike assembling individual lamps for direct lighting and indirect lighting, it is possible to directly and indirectly illuminate a single light source, thereby reducing the number of components.

Second, since the direction of the current of the circuit by the switch operation of the driver can be determined and the direction of the light source can be directly adjusted to the direct or indirect lighting position without a separate driving device for rotating the rotating body by the repulsive force between the electromagnet and the permanent magnet, It is possible to realize the cost reduction besides the reduction, and the sensitivity quality and convenience can be increased.

Third, since the direction of the light source can be adjusted at various angles when adjusting the position and the number of the permanent magnets, the direction of the indirect illumination can be finely adjusted in a desired direction, thereby improving the sensitivity quality.

Fourth, by attaching the lamp to the entrance of the shelf, it is possible to obtain a drop prevention function of the luggage placed on the shelf.

1 is a perspective view of a rotatable room lamp for a bus according to the present invention, in which a rotating body and screen shadows are excluded;
2 and 3 are a perspective view and a side view of a rotatable room lamp for a bus according to the present invention in a state in which a rotating body and screen shadows are assembled,
4 and 5 are a circuit diagram showing a front circuit part and a rear circuit part of a rotatable room lamp for a bus according to the present invention,
Fig. 6 is a cross-sectional view showing a connection structure between an electromagnet and a rotating body,
FIG. 7 is a conceptual view showing the principle of rotation of the rotary body of the rotary room lamp for buses according to the present invention,
FIG. 8 is a perspective view showing a state in which an external structure of a front circuit part and a rear circuit part, and a rotating type room lamp are mounted on a mounting seat (shelf) on which a rotary room lamp for a bus according to the present invention is mounted;
9 and 10 are perspective views showing a mounting position and function of a rotary room lamp for a bus according to the present invention,
11 is a view showing a conventional room lamp for a bus.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view of a rotatable room lamp for a bus according to the present invention, in which a rotating body and a screen shadow are excluded, and FIG. 2 is a perspective view and a side view of a rotator and a screen shadow.

1 to 3, reference numeral 10 denotes a substrate to which a plurality of LED elements 12 are attached.

A front socket 20 and a rear socket 22 for supplying power to the LED element 12 are electrically and integrally mounted at both side ends of the substrate 10.

More specifically, in a state that a conductive pattern (not shown) connected to the LED element 12 by the conductive circuit line is exposed to both side ends of the substrate 10, the front socket 20 and the rear A socket 22 is conductively connected.

In particular, the electromagnet 40 is mounted on the inner radial surface portion of the entire outer surface section of the front socket 20 and the rear socket 22, respectively.

At this time, the coils of the electromagnets 40 are connected to the front socket 20 and the rear socket 22 in a conductive manner.

A ring-shaped rotating body 50 having an electromagnet and a plurality of permanent magnets 52 having a polar repulsive force and attached to the inner diameter portion at regular intervals is rotatably disposed on the outer diameter portion of the electromagnet 40.

Between the pair of electromagnets 40, a cylinder 14 of a transparent material capable of transmitting the LED light while protecting the substrate 10 is mounted.

More preferably, a plurality of band-shaped screen shadows 54 for blocking the light emitted from the LED elements and indirectly illuminating the atmosphere of the mild atmosphere are connected between the pair of rotating bodies 50, The light of the LED element is directly irradiated through the portion where the light source 54 is not shielded.

Therefore, when the electromagnet 40 is magnetized by applying power, a polar repulsive force with the permanent magnet 52 of the rotating body 50 disposed at the outer diameter portion of the electromagnet acts on the electromagnet 40, .

Thereby, the indirect lighting in which the LED light is shielded by the shadow screen and the LED light are illuminated without covering the shadow screen by rotating the rotating body 50 at the same time and simultaneously rotating the screen shadows 54 at the same angle Direct lighting is selectively performed.

At this time, in order to restrict the angle of the rotating body 50 to, for example, 90 degrees, a slot 56 of 90 degrees is formed on the inner surface of the rotating body 50 as shown in FIG. 6, A stopper 42 inserted into the slot 56 and restricting the rotation angle of the rotating body 50 to 90 degrees is integrally formed on the outer diameter portion of the electromagnet 40.

The circuit structure and operation for polar repulsive action between the electromagnet and the permanent magnet and rotational operation of the rotating body will be described in more detail below.

On the other hand, a front circuit unit (not shown) is mounted on the rear surface of the front socket 20 and the rear socket 22 to which the front socket 20 and the rear socket 22 are detachably connected, 30 and a rear circuit portion 32 are provided.

8, the front circuit portion 30 and the rear circuit portion 32 are formed in the entrance portion of the shelf 60 disposed on both sides of the passenger passage in the bus, as a room lamp mounting seat of the bus.

The front circuit unit 30 and the rear circuit unit 32 have a built-in circuit for applying or interrupting a current to the front socket 20 and the rear socket 22. The front socket 20 And a spring 24 to which a rear socket 22 is inserted and is resiliently supported is arranged to be able to conduct.

Hereinafter, the configuration of the front circuit part and the rear circuit part will be described in more detail with reference to FIGS. 4 and 5.

The front circuit unit 30 includes a first ground unit 33 and a first ground line 34 and a second ground line 35 branched upward and downward from the first ground unit 33 to utilize the potential difference, ).

At this time, a battery 36 for power supply is connected to the first conductor 34.

The front circuit unit 30 includes a switch 37 for selectively connecting the first wire 34 and the second wire 35 to one end of the coil of the LED element 12 and the electromagnet 40.

Preferably, the switch 37 can be operated by being connected to the driver's seat using a driver's operation switch and a cable.

The rear circuit part 32 includes a second ground part 38 and has a height between the first lead 34 and the second lead 35 of the front circuit part 30 to utilize the potential difference, And a third lead wire 39 connected to the other end of the coil of the battery 40. A power supply battery 36 is connected to the third lead wire 39. [

Hereinafter, an operational flow of the rotative room lamp for bus of the present invention having the above-described structure will be described.

When the switch 37 of the front circuit unit 30 is switched to a position where the first lead 34 is connected to the one end of the coil of the LED element 12 and the electromagnet 40 is connected to the first lead 34 The power source of the battery 36 flows into the front socket 20 through the switch 37 and then flows to the LED element of the substrate 10 to turn on the LED.

At the same time, the power of the battery 36 connected to the first lead wire 34 flows into the front socket 20 through the switch 37 and then flows into the coil of the electromagnet 40 that is conductively connected to the front socket 20 The electromagnet is magnetized.

4, the electric current of the battery 36 connected to the first electric wire 34 flows from the front socket to the rear socket through the switch 37 as shown in FIG. 4. At this time, the electromagnet is magnetized So as to form an SN pole in the winding direction of the coil.

7 (a), a polar repulsive force acts on the permanent magnet 52 of the rotating body 50 disposed at the outer diameter portion of the rotating body 50 in a state where the electromagnet forms the SN pole, It rotates 90 ° clockwise.

In this way, the rotary body 50 rotates in the clockwise direction and the screen shadows 54 make the respective rotations at the same angle, whereby indirect illumination is achieved in which the LED light is covered by the shadow screen.

If the switch 37 of the front circuit unit 30 is switched to the position where the second lead 35 is connected to one end of the coil of the LED device 12 and the electromagnet 40, The power of the battery 36 connected to the third lead wire 39 flows to the side of the coil of the electromagnet 40 through the rear socket 22 due to the potential difference and simultaneously flows to the LED element 12 of the substrate 10, And flows to the second lead wire 35. [

At the same time, the power source of the battery 36 connected to the third lead wire 35 flows into the rear socket 22, and then flows to the coil of the electromagnet 40 that is conductively connected to the rear socket 22, thereby magnetizing the electromagnet.

As shown in FIG. 5, the electric current flows at a high electric potential, that is, the power source of the battery 36 connected to the third conductor 39 flows from the rear socket to the front socket. At this time, the electromagnet is magnetized, To form the NS pole.

7 (b), a polar repulsive force acts on the permanent magnet 52 of the rotating body 50 disposed on the outer diameter portion of the rotating body 50 in the state where the electromagnet is in the NS pole, It is rotated 90 ° counterclockwise.

In this way, the rotating screen 50 rotates in the counterclockwise direction and the screen shadow 54 rotates at the same angle, whereby direct illumination is achieved in which the LED light is not covered by the shadow screen.

The rotary room lamp of the present invention having the above-described structure and operation is mounted on the entrance of the shelf 60 disposed on both sides of the passenger passage of the bus, as shown in Fig. 9, It is also possible to prevent the falling of the luggage placed on the shelf 60, as well as to prevent the falling of the luggage.

10, the rotating type room lamp of the present invention is mounted in a row along the longitudinal direction of the shelf 60, and the switches of the front circuit part and the rear circuit part are reversed, Clockwise direction, and the adjacent one of the rotary room lamps is rotated in the counterclockwise direction, thereby achieving direct and indirect simultaneous illumination in which indirect illumination and direct illumination are alternately performed.

10: substrate 12: LED element
14: cylinder 20: front socket
22: rear socket 24: spring
30: front circuit part 32: rear circuit part
33: first ground portion 34: first conductor
35: second lead 36: battery
37: switch 38: second grounding part
39: third lead 40: electromagnet
42: stopper 50: rotating body
52: permanent magnet 54: screen shadow
56: Slot 60: Shelf

Claims (7)

A substrate 10 to which a plurality of LED elements 12 are attached;
A front socket 20 and a rear socket 22 that are integrally and electrically assembled to both ends of the substrate 10;
A front circuit unit 30 and a rear circuit unit 30 are formed in a structure in which a front socket and a rear socket are detachably fastened to the seat lamp mounting surface of the bus so as to apply or cut off current to the front socket 20 and the rear socket 22, A circuit part (32);
A pair of electromagnets (40) electrically connected to outer surfaces of the front socket (20) and the rear socket (22), respectively;
A plurality of permanent magnets 52 having a polar repulsive force with the electromagnet 40 are provided in a ring structure attached to the inner diameter portion at equal intervals so as to be rotatable on the outer diameter surface of the electromagnet 40, A rotating body (50);
And a plurality of lamps for driving the lamps.
The method according to claim 1,
The front circuit unit 30 includes:
A first grounding portion 33;
A first conductor 34 and a second conductor 35 branched upward and downward from the first grounding portion 33 to utilize the potential difference;
A battery 36 connected to the first lead 34;
A switch 37 for selectively connecting the first conductor 34 and the second conductor 35 to one end of the coil of the LED element 12 and the electromagnet 40;
Wherein the lamp is a lamp for a bus.
The method according to claim 1,
The rear circuit portion 32 includes:
A second grounding portion 38;
A third lead wire 39 having a height between the first lead wire and the second lead wire of the front circuit part to use the potential difference and connected to the other end of the coil of the electromagnet;
A battery 36 connected to the third lead 39;
Wherein the lamp is a lamp for a bus.
The method according to claim 1,
Wherein a cylinder (14) of transparent material is mounted between the pair of electromagnets (40) to protect the substrate (10) and to transmit LED light.
The method according to claim 1,
And a plurality of screen shadows (54) defining the direction of light irradiation are connected between the pair of rotating bodies (50).
The method according to claim 1,
Wherein a spring (24) for supporting a front socket (20) and a rear socket (22) is disposed in an electrically conductive manner inside the front circuit part (30) and the rear circuit part (32).
The method according to claim 1,
A slot 56 of 90 degrees is formed in the inner surface of the rotating body 50 and a slot 56 is inserted in the outer diameter of the electromagnet 40 to limit the rotation angle of the rotating body 50 to 90 degrees Wherein a stopper (42) is integrally formed.

Images