JP2013251237A - Lighting fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lighting fixture capable of improving a freedom of design while securing safety.SOLUTION: A light-up circuit 50 for lighting up a light-emitting diode array 40 of a light source device 4 by power converted from power supplied from an external power source 6 is arranged in the lighting fixture. The light source device 4 has a power receiving terminal 42 for receiving power supply to the light-emitting diode array 40, and a supported section 43 formed of a conductive material. Furthermore, a non-power supply socket 1 as a supporting section for supporting the supported section 43 has two electric path formation contactors 53 for forming a power supply passage to the light-up circuit 50 from the power source 6 together with the supported section 43 in a state that the supported section 43 is supported. Power supply to the light-up circuit 50 from the power source 6 is not performed in a state that the supported section 43 is not supported by the non-power supply socket 1, and thus, a freedom of design can be improved since the safety of the lighting fixture is not impaired though a structure in which the power receiving terminal 42 is connected before installation is not completed.

Description

  The present invention relates to a lighting fixture.

  2. Description of the Related Art Conventionally, there has been provided a lighting fixture to which a light source device having a light emitting diode array as a light source is detachably connected. The above-described light source device has a main body portion that has an elongated shape and holds a light emitting diode array as a light source, and bases provided at both ends of the main body portion.

  Further, as the light source device described above, there is one in which two power receiving terminals electrically connected to one end of each light emitting diode array are provided in one base and a ground terminal is provided in the other base ( For example, see Patent Document 1).

  Moreover, as said light source device, there exists a thing by which said base was used only for support and said power receiving terminal was provided in the connector separate from the base (for example, refer patent document 2).

JP2012-9392A Utility Model Registration No. 3119578

  Conventionally, even if the light source device is not completely attached, power is supplied to the light source device as long as the contact conduction of the power receiving terminal is completed. Therefore, in order to ensure safety, it is necessary to have a structure in which the power receiving terminal does not contact and conduct until the installation of the light source device is completed, and the degree of freedom in design is low.

  This invention is made | formed in view of the said reason, The objective is to provide the lighting fixture which can improve the freedom degree of design, ensuring safety | security.

  The lighting fixture of the present invention is a lighting fixture to which a light source device having a light emitting diode array, a pair of power receiving terminals electrically connected to one end of each of the light emitting diode arrays, and a supported portion made of a conductive material is connected. A power supply contact that is in contact with the power receiving terminal; a power supply terminal connected to a power supply; and a power supply from the power supply connected to the power supply terminal to supply power via the power supply contact to the light emitting diode. A lighting circuit for lighting the array; and a support portion for supporting the supported portion. The support portion is electrically connected to the power supply side contactor electrically connected to the power supply terminal, and electrically connected to an input end of the lighting circuit. In the state where the support part supports the supported part, the power supply side contactor and the circuit side contactor are electrically connected to each other via the supported part. Contact It is characterized in that it constitutes a path to the lighting circuit from the power supply terminal with said supported portion.

  In the above luminaire, the power supply side contactor and the circuit side contactor may be in contact and conduction with one of the two supported parts that are electrically connected to each other. .

  According to the present invention, in a state where the supported portion is not supported by the support portion, power supply from the power source to the lighting circuit is stopped, and accordingly, power supply to the light source device is not performed. Thereby, since the safety is not impaired even when the power receiving terminal is brought into contact with the power feeding contact before the support of the light source device is completed, the degree of freedom in design is improved.

It is explanatory drawing which shows schematic structure of embodiment of this invention. It is a perspective view which shows the same as the above. It is a perspective view which shows a non-power feeding socket same as the above. It is a disassembled perspective view which shows a non-power feeding socket same as the above. It is a perspective view which shows the state by which the electric wire was inserted in one electric wire insertion hole of a non-power feeding socket same as the above. It is explanatory drawing which shows schematic structure of the example of a change same as the above.

  The best mode for carrying out the present invention will be described below with reference to the drawings.

  The lighting fixture of this embodiment is provided with the two sockets 1 and 2 and the fixture main body 3 which each hold | maintains each socket 1 and 2, as shown in FIG.

  As shown in FIG. 1, the light source device 4 connected to the present embodiment has an elongated main body 41 holding a light emitting diode array 40. Two end portions of the main body 41 in the longitudinal direction, each made of a conductive material, electrically connected to one end of the light emitting diode array 40 and connected to one socket (hereinafter referred to as “power supply socket”) 2. Power receiving terminal 42 is provided. The other end of the main body 41 in the longitudinal direction is provided with a supported portion 43 made of a conductive material and supported by the other socket (hereinafter referred to as “non-power feeding socket”) 1. As the light source device 4 as described above, for example, there is one conforming to JEL801.

  Furthermore, a lighting circuit 50 is held in the instrument body 3. The lighting circuit 50 turns on the light emitting diode array of the light source device 4 by converting the electric power input from the external power source 6 into appropriate DC power and supplying it to the light source device 4. The power source 6 is an AC power source such as a commercial power source. Since the lighting circuit 50 as described above can be realized by a well-known technique, detailed illustration and description thereof will be omitted.

  The power supply socket 2 has two power supply contacts 51 made of a conductive material and connected to the output end of the lighting circuit 50 on a one-to-one basis. Further, the power supply socket 2 has an appropriate structure for detachably holding the power receiving terminals 42. When the power receiving terminals 42 are held by the power supply sockets 2, each power receiving terminal 42 has a power supply contact 51. The contact conducts in one-to-one with respect to. That is, power is supplied from the lighting circuit 50 to the light source device 4 via the power supply contact 51 and the power receiving terminal 42. Since the power supply socket 2 as described above can be realized by a well-known technique, detailed illustration and description thereof will be omitted.

  In addition, the instrument body 3 is provided with a pair of power terminals 52 to which the other ends of electric wires (not shown) each having one end connected to the power source 6 are connected. That is, between the power supply 6 and the lighting circuit 50, the above-described electric wire and the power supply terminal 52 are interposed.

  Next, the non-powered socket 1 will be described with reference to FIGS. Hereinafter, with respect to the vertical direction, the direction directed in the longitudinal direction of the light source device 4 is referred to as the front-rear direction, and the direction perpendicular to the vertical direction and the front-rear direction is referred to as the left-right direction. In addition, in the non-powered socket 1, a surface directed to the light source device 4 among the surfaces directed in the front-rear direction is referred to as a front surface. Further, the non-powered socket 1 is fixed to the instrument body 3 at the upper end. Note that the above directions are defined for convenience of explanation and do not necessarily match the directions in the actual use state.

  The non-power supply socket 1 includes two electric circuit constituting contacts 53 each made of a conductive material and a housing 10 made of an insulating material and accommodating each electric circuit constituting contact 53. Each electric circuit constituting contact 53 is obtained by punching and bending a metal plate. The housing 10 includes a body 11 and a cover 12 that are fitted to each other with the electric circuit constituting contacts 53 interposed therebetween in the front-rear direction. Each of the body 11 and the cover 12 is made of, for example, a synthetic resin. The body 11 has a rear wall portion 111 that constitutes the rear surface of the housing 10 with the thickness direction directed in the front-rear direction, and a standing wall that protrudes from the front surface of the rear wall portion 111 and surrounds each electric circuit constituting contactor 53 when viewed from the front. Part 112. The cover 12 is attached to the body 11 from the front and constitutes the front surface of the housing 10 and the upper, lower, left and right side surfaces.

  Further, the housing 10 has a terminal introduction port 101 that is opened downward and forward and the supported portion 43 is introduced from below, and each electric circuit constituting contact 53 is left and right inside the terminal introduction port 101 when viewed from the front. The support part 531 which protrudes elastically from mutually different sides is provided. Each support portion 531 has a trapezoidal shape such that the projecting dimension into the terminal introduction port 101 becomes smaller toward the end in the vertical direction. The supported portion 43 introduced from below into the terminal introduction port 101 elastically deforms each electric circuit constituting contact 53. Then, when the supported portion 43 reaches the upper end of the terminal introduction port 101, each electric circuit constituting contactor 53 elastically recovers and the support portion 531 enters the lower side of the supported portion 43, whereby the supported portion 43 support is achieved.

  In addition, the upper end portion of the housing 10 is provided with a flange portion 103 that protrudes in the left-right direction and the front side from other portions. Furthermore, locking projections 104 and 105 are provided below the flange 103 on the front surface and both the left and right surfaces of the housing 10 with a gap between them. The non-powered socket 1 is fixed to the instrument body 3 by sandwiching the peripheral edge of the socket insertion hole 31 provided in the instrument body 3 between the flange 103 and the locking projections 104 and 105. Yes. The power supply socket 2 is also fixed to the instrument body 3 in the same manner. Note that other well-known means such as screwing may be used to fix the non-power supply socket 1 and the power supply socket 2 to the instrument body 3.

  Further, on the upper surface of the housing 10, two electric wire insertion holes 102 corresponding one-to-one with the electric circuit constituting contact 53 are provided. Each electric circuit constituting contact 53 has a terminal portion 532 to which the electric wire 54 having one end inserted into the corresponding electric wire insertion hole 102 as shown in FIG. 5 is connected. The terminal portion 532 has the same structure as a known quick connection terminal. The connection of the other end portion of the electric wire 54 is achieved by using, for example, a crimp terminal 541 fixed to the other end portion and a terminal screw 542 that screws the crimp terminal 541 to a conductor to be connected. Is done.

  Here, one electric circuit constituting contact 53 is electrically connected to one power supply terminal 52 via a wire 54 as a power supply side contact, and the other electric circuit constituting contact 53 is arranged via a wire 54 as a circuit side contact. And electrically connected to one input terminal of the lighting circuit 50. That is, the two electric circuit configuration contacts 53 are interposed in the power supply path from the power source 6 to the lighting circuit 50.

  In a state in which the supported portion 43 is supported by the non-power supply socket 1, the electric circuit constituting contacts 53 are electrically connected to each other via the supported portion 43, and thus each electric circuit constituting contact 53 and the supported portion 43 are connected. Power supply from the power source 6 to the lighting circuit 50 is achieved via

  On the other hand, in a state where the supported portion 43 is not supported by the non-power supply socket 1, since the electric circuit configuration contacts 53 are not electrically connected to each other, the power supply from the power source 6 to the lighting circuit 50 is stopped.

  According to the above configuration, power supply from the power source 6 to the lighting circuit 50 is stopped in a state where the supported portion 43 is not supported by the non-power supply socket 1, and therefore power supply to the light source device 4 is not performed. Thereby, for example, the safety is not impaired even if the power receiving terminal 42 is in contact with the power feeding contact 51 before the mounting (support) of the light source device 4 is completed.

  In addition, as the light source device 4, you may use the thing which has the to-be-supported part 43 2 each at the both ends of a longitudinal direction like the thing based on JEL802, for example. Furthermore, in the light source device 4 described above, as shown in FIG. 6, when the supported portions 43 are electrically connected to each other at each end in the longitudinal direction, the respective electric circuit constituting contacts 53 are different from each other. It may be in contact with the supported portion 43. In the example of FIG. 6, the two non-powered sockets 1 are used to support the light source device 4, but the electric path constituting contactor 53 may be provided in one non-powered socket 1. In the example of FIG. 6, power is supplied to the light emitting diode array 40 through the connector 55. The connector 55 includes a plug 551 having a power feeding contact 51 and a receptacle 552 having a power receiving terminal 42 to which the plug 551 is detachably coupled. In a state where the plug 551 is coupled to the receptacle 552, the power feeding contact 51 and the power receiving terminal 42 are brought into one-to-one contact conduction. Since the connector 55 as described above can be realized by a well-known technique, detailed illustration and description thereof will be omitted.

  Moreover, it is good also as three or more electrical circuit structure contacts by making one or both of a power source side contactor and a circuit side contactor into two or more.

1 Non-powered socket (support)
4 light source device 40 light emitting diode array 42 power receiving terminal 43 supported part 50 lighting circuit 51 power supply contact 52 power supply terminal 53 electric circuit configuration contact (power supply side contact or circuit side contact)

Claims (2)

A lighting apparatus to which a light source device having a light emitting diode array and a pair of power receiving terminals electrically connected to one end of each light emitting diode array and a supported portion made of a conductive material is connected,
A power supply contact that is in contact with the power receiving terminal, a power supply terminal connected to a power supply, and a power supply from the power supply connected to the power supply terminal to supply the light emitting diode array by power supply through the power supply contact A lighting circuit for lighting, and a support part for supporting the supported part;
The support portion includes a power supply side contact electrically connected to the power supply terminal, and a circuit side contact electrically connected to an input end of the lighting circuit,
In a state where the support portion supports the supported portion, the power source side contactor and the circuit side contactor are electrically connected to each other via the supported portion, and from the power supply terminal together with the supported portion. A lighting apparatus comprising an electric circuit to the lighting circuit.   2. The lighting apparatus according to claim 1, wherein the power supply side contact and the circuit side contact are in contact with each other of the two supported parts that are electrically connected to each other. .

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