JP4543961B2 - Hook connector - Google Patents

Description

  The present invention relates to a hook connector for supplying power to a lighting fixture.

A hook connector such as a hook ceiling or hook rosette (for example, Patent Document 1) is widely used to connect a hook connector such as a hook cap provided on a power cord of a lighting fixture. In addition, a hook connector is widely used as an attachment means for simplifying the attachment of a lighting fixture.
Japanese Patent Application Laid-Open No. 11-213744 (paragraph number 0014, FIG. 1 in the attached drawings)

  By the way, in addition to fluorescent lamps and tube-type lighting fixtures using incandescent bulbs as lighting sources, lighting fixtures using LEDs as light sources are also provided for lighting fixtures. Since DC uses direct current, each appliance is provided with an AC / DC converter to obtain a predetermined direct current power source. Therefore, in the case of replacement of a lighting fixture, the AC / DC converter is also replaced, and there is a problem that the cost at the time of replacement increases. In other words, when viewed from the user side, it has been desired that the AC / DC converter can be replaced without replacing the AC / DC converter, and only the lighting fixture mainly composed of the light source portion can be replaced.

  The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a hook connector that can eliminate the necessity of incorporating an AC / DC converter in a lighting fixture that uses an LED as a light source. There is to do.

To achieve the above object, the invention of claim 1, the AC / DC converter for converting a commercial power into a DC of a predetermined voltage Rutotomoni provided in the body, between said AC / DC converter and the commercial power source A switch to be interposed, and opening a hooking insertion hole for hooking and locking a conductive hooking blade provided on the fixture on the lighting fixture side on the bottom surface of the body, and corresponding to the hooking insertion hole, A conductive contact piece that contacts the conductive hooking blade is provided in the body, and the conductive contact piece is used as an output end of the AC / DC converter. The switch includes the conductive hooking blade of the connector. It is driven by the connector in a state of being inserted into the hooking hole .

According to the present invention, is capable of power supply LED with no A C / DC converter luminaire to the light source, it must be provided with the AC / DC converter to luminaires and therefore the light source of the LED As a result, the AC / DC converter is not wasted at the time of replacing the device, and the cost of replacing the device is reduced for the user.

According to a second aspect of the present invention, there is provided an AC / DC converter that converts a commercial power source into a direct current of a predetermined voltage, and a power supply unit that selectively outputs the direct current output of the AC / DC converter and the commercial power source is provided in the body. Rutotomoni provided within, is interposed between the AC / DC converter and the commercial power supply, as power supply of the power supply unit, a selector switch for selecting switching the DC output of the said commercial power source AC / DC converter provided, along with the bottom surface of the body to open the hook insertion hole for hooking engagement conductive hooking the plug pins provided on the luminaire side of the connector, the conductive within said body in response to the hook insertion hole a conductive contact piece in contact with the hooking plug pins provided, the conductive contact member and an output terminal of the power supply unit, the selector switch is only fitting of the luminaire to the DC power supply Correspondingly, a switch driven by the connection tool in a state where the conductive hooking blade of the connection tool is inserted into the hook insertion hole, and in a state where the connection tool of the lighting apparatus using the direct current as a power source is connected The power supply of the power supply unit is switched from the commercial power supply to the DC output, and the power supply of the power supply unit is the commercial power supply in a state in which the fixture of the lighting fixture that uses the direct current is not connected. It is characterized by that.

  According to the second aspect of the present invention, it is possible to supply power not only to a tube-type lighting fixture that uses a commercial power source as a power source, but also to a lighting fixture that uses an LED having no AC / DC converter as a light source. Therefore, it is not necessary to select an appliance to be connected, and it is not necessary to provide an AC / DC converter in the lighting fixture using LED as a light source. As a result, the AC / DC converter is not wasted at the time of exchanging the appliance. Cost is low.

Moreover, a power supply can be selected only by operating a changeover switch according to the lighting fixture of connection object.

Furthermore, since the changeover switch can be automatically driven by the fixture of the lighting fixture, troubles caused by the user switching operation of the changeover switch and troubles caused by forgetting to switch can be eliminated.

According to a third aspect of the present invention, in the second aspect of the present invention, the power supply unit includes an output end that selectively outputs the commercial power source and a direct current output of the AC / DC converter. With respect to the conductive contact pieces provided correspondingly, a hooking hole corresponding to each conductive contact piece is provided at the bottom of the body.

According to invention of Claim 3 , it is applicable also to the hybrid type lighting fixture which is not provided with an AC / DC converter but uses LED as a light source and a bulb as a light source.

According to the present invention , it is possible to supply power to a luminaire that uses an LED having no AC / DC converter as a light source, and thus it is not necessary to provide an AC / DC converter in the luminaire that uses an LED as a light source. Sometimes the AC / DC converter is not wasted, which has the effect of reducing the cost of equipment replacement for the user.

Embodiments of the present invention will be described below.
(Embodiment 1)
The hook connector A of the present embodiment is applied to a hook connector corresponding to a direct lighting fixture disclosed in Patent Document 1, and the upper surface side shown in FIG. Inside the box-shaped body 1, as shown in FIG. 1 (b), a power input terminal is connected to the commercial power supply AC from the outside via the normally open contact NO side of the switch units 21 and 22 of the changeover switch 2, An AC / DC converter 3 for converting the commercial power supply AC into a predetermined voltage direct current and outputting it; and a commercial power supply path 4 connected to the commercial power supply AC via the normally closed contact NC side of the changeover switch 2; A power supply unit 6 in which the DC output end of the AC / DC converter 3 and the end of the commercial power supply path 4 are connected in parallel to the conductive contact pieces 5 and 5 is provided, and is an output end of the power supply unit 6. The power supplied from the conductive contact pieces 5 and 5 to the changeover switch 2 Ri it is possible to select.

  That is, when the switch units 21 and 22 of the changeover switch 2 are connected to the normally closed contact NC side, the commercial power supply AC is supplied via the commercial power supply path 4 and in the state connected to the normally open contact NO side. The DC power converted from the commercial power AC by the AC / DC converter 3 is supplied.

  Here, a push button switch is used as the changeover switch 2 and is arranged on the inner bottom of the body 1 so that the head of the push button 7 as the driving body is looked out through the hole 8 at the center of the bottom of the body 1. Is switched from the normally closed contact NC side to the normally open contact NO side when the switch is driven from the outside.

  The body 1 has a pair of arc-shaped hooking insertion holes 9 and 9 formed on the bottom surface in the same circumference and point-symmetrically with respect to the center point of the circle, and corresponds to the hooking insertion holes 9 and 9. The conductive contact pieces 5 and 5 are disposed on the inner bottom. It is assumed that the pitches of the hook insertion holes 9 and 9 correspond to the standards of existing hook ceiling and hook rosettes.

  Further, the body 1 is mounted with movable engagement bodies 10 and 10 slidably urged outward on both sides, and the movable engagement bodies 10 and 10 constitute a lighting fixture mounting means.

Thus, when the hook connector A of the present embodiment is installed and installed on the ceiling, the body 1 is fixed to the ceiling with screws (not shown) using the ceiling mounting holes 11 and 11 opened at the bottom of the body 1. In addition, power lines (not shown) wired on the ceiling side are connected to the power terminals 6 a and 6 a of the power supply unit 6. This completes the construction.

And when mounting the luminaire, pushing with the body 1 while the movable engaging member 10, 10 is moved to the ball Di 1 direction against the biasing springs in the mounting hole 13 of the lighting apparatus main body 12 as shown in FIG. 2 The opening edge of the attachment hole 13 is locked in the engagement groove 14 provided on the side peripheral surface of the movable engagement body 10. Thereby, the lighting fixture main body 12 is mechanically attached to the hook connector A. Thereafter, the hook plug blades 16 and 16 (see FIGS. 3 (a) and 3 (b)) of the hook cap 15 which is a connecting tool connected to the power cord 17 on the lighting fixture side are inserted into the hook insertion holes 9 and 9 for inserting. The rear hook cap 15 is rotated in the direction of the arrow shown in FIG. 3, and the hook blades 16 and 16 are hooked and locked in the hook insertion holes 9 and 9, respectively. Thereby, the hooking blades 16 and 16 are electrically connected to the conductive contact springs 5 and 5 in the body 1, and the connection between the hooking cap 15 and the hooking connector A is completed. When the lighting fixture is removed from the hook connector A, the movable engagement bodies 10 and 10 may be moved to the body 1 side using the knob 18 provided on the movable engagement body 10. Further, when the hook cap 15 is disconnected, the hook cap 15 is rotated in the direction opposite to the rotation direction described above, and the hook plug blades 16 and 16 that are hooked and locked in the hook insertion holes 9 and 9 are inserted. In this state, the hook plugs 16 and 16 may be removed from the hook insertion holes 9 and 9.

  Now, as the hook cap 15, the lighting fixture is for a lighting fixture whose light source is supplied from the outside using a tube or the like, and the LED is used as a light source, is not equipped with an AC / DC converter, and is a direct current power source. In the former case, there is no means for driving the push button 7 of the changeover switch 2 on the upper surface side of the cap body 15a as shown in FIG. In the latter case, as shown in FIG. 3 (b), a drive projection 19 is provided at the center of the upper surface of the cap body 15a, and the upper end surface of the cap body 15a is pressed against the bottom of the body 1 of the hook connector A. Sometimes, as shown in FIG. 2, the drive projection 19 is inserted into the hole 8 while pushing the head of the push button 7 through the hole 8 in the center of the bottom, and the changeover switch 2 is switched and driven. Accordingly, when the hook cap 15 (see FIG. 3A) of a lighting fixture that uses the commercial power source AC as a power source is connected to the hook connector A, the switch sections 21 and 22 of the changeover switch 2 are on the normally closed contact NC side. The commercial power supply AC is supplied from the commercial power supply path 4 to the lighting fixture side. On the other hand, when the LED is used as a light source and the hook cap 15 (FIG. 3B) of a lighting fixture not equipped with an AC / DC converter is connected to the hook connector A, the switch sections 21 and 22 of the changeover switch 2 are The commercial power source AC is connected to the AC / DC converter 3 by switching to the normally open contact NO side, whereby a direct current is output from the AC / DC converter 3 and this direct current is supplied to the lighting fixture side as a power source.

  As described above, the hook connector A of the present embodiment selects the power supply automatically supplied to the lighting fixture side depending on the type of the hook cap 15 to be connected, from the commercial power supply AC or the DC power supply from the AC / DC converter 3. Thus, it is possible to supply power corresponding to the lighting fixture. When the AC / DC converter 3 is not connected to the power input end of the lighting fixture 15 that uses an LED as a light source, the AC / DC converter 3 is not connected to the power input end. There is no abnormal heat generation that occurs.

  Of course, the change-over switch 2 may be constituted by a switch such as a slide switch so that the user can manually select and switch the power supply in accordance with the lighting fixture.

(Embodiment 2)
The hook connector A of the first embodiment is provided with a pair of hook insertion holes 9 and 9, a hook cap 15 of a lighting fixture that receives supply of commercial power AC, and a lighting fixture that uses a LED as a light source and receives supply of DC power. However, it can also be used for hybrid lighting fixtures that use a tube as a light source and an LED as a light source, and need to supply DC power from the outside as a power source on the LED side. This is the embodiment.

  That is, as shown in FIG. 4, the hook connector A of the present embodiment uses hook plug blades 16 and 16 provided at a pitch of an existing standard as hook plug blades for connecting a commercial power source. The hooking blades 16a, 16a for connecting the DC power supply are provided at a small pitch with respect to the pitch of 16, so that the corresponding power supply can be taken in by both the hooking blades 16, 16, 16a, 16a. This corresponds to the hook cap 15.

  That is, the hook connector A of the present embodiment is provided with hook insertion holes 9, 9, 9a, 9a corresponding to the hook blades 16, 16 and 16a, 16a as shown in FIG. As shown in FIG. 5 (b), the push button 26 is pushed and driven by the driving protrusion 20 formed on the upper surface of the cap body 15a of the hook cap 15 'when the hook cap 15' is connected to the power supply unit 6. A switch 25 comprising a switch is provided.

  The switch 25 looks at the head of the push button 26 through the hole 27 at the bottom of the body 1 of the hook connector as in the case of the changeover switch 2, and the push button 26 is pushed by the drive protrusion 20 of the hook cap 15 '. The first switch units 251a and 251b for connecting the commercial power supply AC from the outside to the power input terminal of the AC / DC converter 3 in a form of being turned on and bypassing the changeover switch 3, and the AC / DC converter 3 A common terminal is connected to the output end, a normally closed contact NC is connected to the conductive contact pieces 5 and 5 corresponding to the hooking insertion holes 9 and 9, and a normally open contact NO is connected to the hooking insertion holes 9a and 9a. Second switch portions 252a and 252b that are connected to the conductive contact pieces 5a and 5a and switch from the normally closed contact NC to the normally open contact NO in conjunction with the ON operation of the first switch portions 251a and 251b. There.

Thus, in the same manner as in the first embodiment, when the catch cap 15b of the lighting fixture that uses the LED as the light source and takes in the DC power supply is connected, the AC / DC converter 2 is operated by the switching operation of the selector switch 2, and the switch 25 second switch portion 252a of it and normally closed contact points 252b NC, the DC power supply to the hooking plug pins 16, 16 of the hooking cap 15b through conductive contact strips 5,5 hooking insertion hole 9, 9 are supplied become.

  In addition, when the hook cap 15 a of a lighting fixture that takes in a commercial power source using a tube or the like as a light source is connected, the changeover switch 2 is not switched, so that the commercial power source AC is connected through the commercial power supply path 4. , 7 through the conductive contact pieces 5, 5 to the hooking blades 16 and 16 of the hooking cap 15a.

On the other hand, when the hook cap 15 'of the hybrid lighting fixture is connected, there is no switching operation of the changeover switch 2, but the switch 25 is driven, so that the switch portions 251a and 251b of the switch 25 are turned on for commercial use. power supply AC is connected to the power input terminal of the AC / DC converter 3, thereby resulting in the AC / DC converter 3 is operated. At the same time second switch portion 252a, 252b is switched from the normally-closed contact NC side to the normally-opened contact NO side, the second switch portion 252a from the A C / DC converter 3, 252b and the hook insertion hole 9a, 9a conductive contact piece 5a, hooking plug pins 16 a hooking cap 15 'via the 5a, DC power is supplied to the 16a. At the same time, the commercial power supply AC is connected to the normally closed contact NC side of the switch parts 21 and 22 of the changeover switch 2, the commercial power supply path 4, and the conductive contact pieces 5 and 5 of the hooking insertion holes 9 and 9. Are supplied to the hooking blades 16 and 16.

As described above, in this embodiment, it is possible to cope with a hybrid lighting fixture, and the AC lighting cap 15b of the lighting fixture that takes in a DC power source using an LED as a light source or the hook cap 15 'of the hybrid lighting fixture is connected. Since / DC converter 3 does not operate, there is no wasteful power consumption, and heat generation due to no-load operation can be prevented.

The commercial power supply AC is directly connected to the conductive contact pieces 5 and 5 through the commercial power supply path 4, and the DC output terminal of the AC / DC converter 3 is directly connected to the conductive contact pieces 5a and 5a. If the commercial power supply AC connection to the power supply connection terminal 3 is turned on and off with a switch that can be operated from the outside, it can be used for hybrid lighting equipment and lighting equipment that requires commercial power supply AC. It is also possible to use the hook connector A.
(Embodiment 3)
The hook connector A according to the first embodiment can be used for both lighting equipment that requires supply of commercial power AC and lighting equipment that uses LED as a light source and that requires supply of DC power. The hook connector A of the present embodiment is a hook connector dedicated to a lighting fixture that uses an LED as a light source and needs to be supplied with DC power, and the internal circuit is an external commercial power source as shown in FIG. The AC is connected to the power input terminal of the AC / DC converter 3 via a switch 2 'formed of a push button switch, and the output terminal of the AC / DC converter 3 is connected to the conductive contact pieces 5 and 5, 2 'is arranged on the inner bottom of the body 1, and the head of the push button 7 as the driving body is looked out from the hole 8 at the center of the bottom of the body 1 as shown in FIG. Switch unit 20 when driven by being pushed in from the outside , So as to turn on the 20b.

  Here, the hooking cap 15 of a lighting fixture that uses an LED as a light source and needs to be supplied with DC power is provided with a drive projection 19 as in the case of the first embodiment, and when the hooking cap 15 is connected, the hooking cap 15 of the first embodiment is provided. As in the case, the push button 7 is pushed and driven by the drive protrusion 19.

That is, this embodiment also operates the built-in AC / DC converter 3 only when the hook cap 15 of the lighting fixture that needs to be supplied with DC power is connected, thereby preventing wasteful power consumption when not connected.

  Among the other components, the same components as those of the first embodiment in FIG.

Embodiment 1 is shown, (a) is an external perspective view, (b) is an internal circuit diagram. FIG. 3 is a construction explanatory diagram of the first embodiment. The hook connector of Embodiment 1 is shown, (a) is a perspective view of the hook connector for taking in commercial power, (b) is the perspective view of the hook connector for taking in DC power. It is a perspective view of the hook connector used for the hybrid type lighting fixture corresponding to Embodiment 2. Embodiment 2 is shown, (a) is an external perspective view, (b) is an internal circuit diagram. Embodiment 3 is shown, (a) is an external perspective view, (b) is an internal circuit diagram.

Explanation of symbols

A hook connector 1 body 2 changeover switch 21, 22 switch part 3 AC / DC converter 4 commercial power supply path 5 conductive contact piece 6 power supply part 6a power supply connection terminal 7 push button 8 hole 9 hook insertion hole

Claims (3)

Rutotomoni comprising an AC / DC converter for converting a commercial power into a DC of a predetermined voltage in the body, a switch interposed between said AC / DC converter and the commercial power source,
The bottom surface of the body has a hook insertion hole for hooking and locking a conductive hook plug blade provided in a fixture on the lighting fixture side, and the conductive hook plug in the body corresponding to the hook insertion hole. A conductive contact piece that contacts the blade is provided, and the conductive contact piece is used as the output end of the AC / DC converter .
The hook connector is characterized in that the switch is driven by the connector in a state where the conductive hook blade of the connector is inserted into the hook insertion hole . It has an AC / DC converter for converting a commercial power into a DC of a predetermined voltage, the AC / DC converter and the DC output of the commercial power source and a selectively Rutotomoni a power supply unit for output to the body, wherein A switch that is interposed between an AC / DC converter and a commercial power source, and that switches between the commercial power source and a DC output of the AC / DC converter as a power source for the power supply unit ;
The bottom surface of the body has a hook insertion hole for hooking and locking a conductive hook plug blade provided in a fixture on the lighting fixture side, and the conductive hook plug in the body corresponding to the hook insertion hole. A conductive contact piece that contacts the blade is provided, and the conductive contact piece is used as an output end of the power supply unit .
The change-over switch is a switch driven by the connection tool in a state in which the conductive hook blade of the connection tool is inserted into the hook insertion hole, corresponding to only the connection tool of the lighting fixture that uses the direct current as a power source. In the state where the connecting fixture of the lighting fixture that uses the direct current as the power source is connected, the power supply of the power supply section is switched from the commercial power supply to the direct current output, and the connecting fixture of the lighting fixture that uses the direct current as the power source is connected. The hook connector according to claim 1, wherein the power supply of the power supply unit is the commercial power supply when the power supply is not performed . The power supply unit includes an output end that selectively outputs the commercial power source and a direct current output of the AC / DC converter, and the conductive contact piece provided corresponding to each output end, 3. The hook connector according to claim 2, wherein a hook insertion hole corresponding to each conductive contact piece is provided at the bottom of the body .

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