JP5308183B2 - Wiring equipment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a wiring apparatus ensuring space saving and high safety, while facilitating reliable separation between a weak current cable and a heavy current cable. <P>SOLUTION: The wiring apparatus 1 is fixed to a fitting frame 5 having almost the same size as a mounting frame for interchangeable wiring devices of large square boss type based on JIS and is buried in the wall surface. The wiring apparatus is also connected to a switch 6, a commercial power supply AC and a lighting fixture 7, to output a control signal for adjusting the dimming level of the lighting fixture 7 by using power, as an operation power, from the commercial power supply AC. Furthermore, the wiring apparatus 1 includes an equipment body 2 accommodated in the switch box whose rear section is buried in the wall, a signal line terminal 3 to which the signal line L1 is connected, and a power supply line terminal 4 to which power supply lines L2a, L3 are connected. The signal line terminal 3 and the power supply line terminal 4 are set so that their vertical positions are different in the rear side wall 20 of the instrument body 2. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a wiring device to which a strong current wiring for power supply and a weak current wiring such as a signal line are connected.

  As this type of wiring device, there is a dimming switch that is connected to a lighting device that uses a fluorescent lamp or the like as a light source and switches the lighting device on and off and adjusts the dimming level (for example, Patent Document 1). .

  The dimmer described in Patent Document 1 is attached to a mounting frame for a wiring device (for example, a mounting frame of a large-angle continuous wiring device standardized by JIS), and the rear part of the main body of the dimmer is embedded in the wall surface. Stored in the switch box. On the surface of the dimmer, a dimming handle is provided for operating the variable resistor to adjust the dimming level of the lighting fixture. The unit frame is formed in a size corresponding to two unit dimensions (two module dimensions) that can be attached to the mounting frame up to three.

  When constructing this dimmer, it is formed in one module size, and a switch for switching on / off of the lighting fixture is attached to the lower side of the mounting frame, and the dimmer and the switch are externally wired by a power line. The By constructing in this way, lighting fixtures, dimmers and switches are electrically connected, and lighting fixtures can be switched on and off and the dimming level can be adjusted within the same panel. Good operability and space-saving wiring equipment.

  On the other hand, there is also a dimming switch that adjusts the dimming level of the lighting fixture by providing a control circuit for adjusting the dimming level of the fluorescent lamp in the lighting fixture body and outputting a pulse submodulation signal via the signal line. This type of wiring device has an electronic circuit for outputting a control signal such as a dimming signal according to a user's operation, and a signal terminal for connecting a signal line connected to a load such as a lighting device ( A terminal for weak electricity), and a commercial power source input from a power source terminal (high power terminal) is operated as an operating power of the electronic circuit.

JP 2007-294269 A

  By the way, when a strong current wiring such as a power supply line and a weak current wiring such as a signal line are connected to a wiring device in the switch box, the outer sheath of the high current wiring is damaged and a leakage occurs. In order to reduce the risk of damage to weak electrical equipment due to strong voltage applied to the current wiring or the user using the weak electrical equipment, it is desirable to separate the strong current wiring from the weak current wiring. It is rare.

  Here, in the wiring device that outputs the control signal as described above, the high-power terminal and the low-power terminal are provided on both the left and right sides of the wiring device body, and the vertical positions are substantially the same height. For this reason, if the horizontal width is formed to a single size for the purpose of saving space, the high-power terminal and the low-power terminal are installed close to each other. In addition, even if it is formed to have two dimensions, if a plurality of wiring devices are connected in the same switch box, the high voltage terminal provided on one side of the wiring device and the other side of the adjacent wiring device are connected. The provided terminals for weak electricity will be arranged close to each other, and it has been difficult to separate and install the weak current wiring and the strong current wiring.

  The present invention has been made in view of the above-mentioned reasons, and the object of the present invention is to easily install a high-current wiring and a weak-current wiring, and save space and high safety. Is to provide.

To achieve the above object, in the invention of claim 1, light electrical terminals for an instrument body that is embedded disposed so as to fit the rear to the instrument attachment hole provided in the erecting surface, the weak current lines are connected When, a strong electric terminal for high current lines are connected, wherein the strong electric terminal and the weak electric terminal is in the rear surface of the instrument instrument body, a position in which vertical positions are different from each other, wherein It is provided on the bottom wall of the recess formed on the rear surface of the instrument body in the front side relative to other parts, and the recess provided on the upper end side of the instrument body has a periphery above the recess. The lower wall of the recess provided on the upper end side has at least an inclined surface that is inclined downwardly from the front to the rear than the front end of the flange. And features.

In the invention of claim 2, in the invention of claim 1, wherein that you have a protective cover attached so as to abut against the rear wall of the appliance body.

In the invention of claim 3, in the invention of claim 1 or claim 2 Symbol placement, the instrument body is a size of 2 pieces of the attachable units dimensions up to three to the mounting frame for the embedded wiring accessories is formed in a certain two modules dimensions, upwards or any one side edge of the lower rear surface of the device body, the wiring groove connected the strong current wiring the strong electric terminals are arranged It is provided.

  According to the first aspect of the present invention, the low-power terminal and the high-power terminal are provided in different positions in the vertical direction in the device body, so that a plurality of wiring devices are arranged in parallel in the same switch box. Even if it is a case, it can avoid that the terminal for weak electricity and the terminal for strong electricity of an adjacent wiring apparatus adjoining are arrange | positioned. Moreover, if the terminal for weak electricity is provided on either side in the left-right direction of the appliance body and the terminal for strong electricity is provided on the other side, both terminals are arranged at the same height in the vertical direction than the conventional wiring appliance arranged on the left and right sides. Can be kept away from both terminals. Thereby, even if the instrument body is formed in a single size, it is easy to separate the weak current wiring and the strong current wiring and provide a space-saving and highly safe wiring instrument.

Further, according to the invention billed to claim 1, than other portions in the rear surface of the instrument body by providing the terminals in the bottom wall of the recess is depressed formed on the front side, a weak electric terminals and strong electric terminals Separation is possible at a portion protruding rearward of the device main body, and a highly safe wiring device can be provided.

  By the way, the embedded wiring device is embedded in the embedded hole that opens in the wall, so that depending on the material of the wall, dust and fragments of the wall material accumulate near the terminals, resulting in poor contact and tracking. Could occur.

According to the invention of claim 1, by providing the inclined surface in the concave portion formed around the terminal portion, the dust and the pieces of wall material fall to the lower side of the instrument body along the inclined surface. It is difficult for dust and wall material fragments to accumulate near the portion, preventing contact failure and tracking, and providing a highly safe wiring device.

Furthermore, according to the invention billed to claim 1, by providing the flange portion to the upper terminal portion, can be fragments of dust and wall material in the vicinity of the terminal portion hardly accumulate, to prevent contact failure and tracking . In addition, by providing a collar, it is possible to install either one of the terminal parts at the upper end of the instrument body, and further away from each terminal to provide a highly safe wiring instrument. Can do .
According to the second aspect of the present invention, the low-power terminal and the high-power terminal can be reliably separated by having the protective cover attached so as to contact the rear side wall of the instrument body.

  In addition, when a switch is formed on a single mounting frame in parallel with a switch having a module size, and the switch and the high-voltage terminal are electrically connected via a high-current wiring, the wiring device and the switch There was a case where the wiring for the strong current connecting the two and the power supply terminal of the switch was covered and the wiring was difficult.

According to the invention of claim 3 , even in the above case, the wiring for the high current connecting the wiring device and the switch is wired along the wiring groove provided on the lower side of the device body. Even when wiring is performed on the switch side, the high current wiring does not get in the way and can be easily constructed.

The wiring apparatus concerning embodiment is shown, (a) is a rear view, (b) is a side view. It is a schematic circuit diagram which shows the state which connected the wiring fixture with the lighting fixture.

  Embodiments of the present invention will be described below with reference to FIGS. In the following description, the upper and lower sides in FIG. 1A are assumed to be the upper and lower sides of the wiring device 1, and the left and right sides in FIG.

  As shown in FIG. 1, the wiring device 1 according to the present embodiment has a mounting frame 5 formed in a size substantially equal to a mounting frame (JIS C 8375) for a large-angle continuous wiring device standardized by JIS. The mounting frame 12 has a mounting claw 12 provided on the side surface of the wiring device 1 and having a size corresponding to two unit dimensions (two module size) that can be attached to three. 52 is engaged and fixed. In the mounting frame 5, a known switch 6 formed in one module size is juxtaposed on the lower side of the wiring device 1, and by a fixing screw (not shown) inserted through the mounting hole 51 of the mounting frame 5. Then, it is screwed into a switch box (not shown) embedded in the wall, and the wiring device 1 and the switch 6 are embedded in the wall surface. Since the mounting frame 5, the switch 6, and the switch box are well-known techniques, detailed description thereof is omitted.

  In the switch 6, for example, a lighting fixture 7 including a fluorescent lamp as a light source, a commercial power source AC, and the switch 6 are connected in series via a power line L2 (see FIG. 2). Further, the power supply line L3 and the power supply line L2b are electrically connected inside the switch 6, and the wiring device 1, the switch 6, and the commercial power supply AC are connected in series via the power supply lines L2a, L2c, and L3. . When the user operates the switch 6, on / off of the power supplied to the lighting fixture 7 and the wiring fixture 1 is switched.

  Further, the wiring device 1 incorporates an electronic circuit (not shown) that operates using power from the commercial power supply AC as an operating power, and the user operates the dimming knob 11 provided on the front surface of the wiring device 1. As a result, the electronic circuit outputs a pulse submodulation signal for dimming to the signal line L1 (see FIG. 1B). Here, when the lighting device 7 receives a light control signal from the wiring device 1 through the signal line L1, the light control level of the fluorescent lamp as the light source is adjusted.

  In this way, the lighting fixture 7 and the switch 6 can be used to turn on / off the lighting fixture 7 and adjust the dimming level. Note that a decorative panel 10 whose scale is printed by printing or the like is attached to the front surface of the wiring device 1, and the user operates the light control knob 11 according to the description of the decorative panel 10 to obtain a desired light control. Can easily adapt to the level.

  The wiring device 1 includes a substantially box-shaped device body 2 made of an insulating material in which the above-described electronic circuit is housed, a signal line terminal 3 to which the signal line L1 is connected, and power supply lines L2a and L3. And a power line terminal 4 to be connected.

  The rear side wall 20 formed at the rear of the instrument main body 2 is provided with recesses 21 and 22 formed at the front left of the instrument main body 2 at the upper left end and the lower right end in FIG. The line terminal 3 and the power line terminal 4 are provided on the bottom walls of the recess 21 and the recess 22, respectively.

  On the upper side of the concave portion 21 of the rear side wall 20, a flange portion 23 that protrudes rearward from the concave portion 21 and is formed at a height that is forward of the rear side wall 20 is provided. In addition, the lower side wall of the concave portion 21 is formed with an inclined surface 21 a that is inclined from the front side of at least the rear end of the flange portion 23 toward the rear lower side as moving away from the central portion of the concave portion 21. In addition, a wiring groove 24 that is recessed in front of the instrument body 2 is provided on the lower side of the rear side wall 20 along the left-right direction. The wiring groove 24 is connected to the lower end of the recess 22 and the depth of the recess 22. And substantially the same.

  Each of the signal line terminal 3 and the power line terminal 4 includes a mechanical wiring holding portion (not shown) for holding the signal line L1 and the power line L2a in the fixture body 2, and the signal line L1 or the power line. Connection holes 31 and 41 into which L2a is inserted are provided. By inserting the signal line L1 into the signal line terminal 3 and the power supply line L2a into the power supply line terminal 4, each wiring (signal line L1, power supply line L2a) is held in the built-in wiring holding unit, and These are connected to the electronic circuit of the fixture body 2 to supply electric power to the electronic circuit and output a dimming signal to the lighting fixture 7.

In this way, the signal line terminal 3 and the power line terminal 4 used for connection are provided in the recesses 21 and 22, respectively, and the rear side wall 20 protruding rearward from the recesses 21 and 22 serves as a barrier. Wirings (signal line L1 and power supply line L2a) connected to the terminals can be separated and connected. That is, the power supply line L2, L3 is a strong current wiring, easy installation separating the signal line L1 is a weak current lines, it is possible to provide a high wiring fixtures 1 of space and safety.

Moreover, since the collar part 23 is provided in the recessed part 21 provided in the upper end side of the instrument main body 2, the dust and the piece of wall material which fell from the upper direction of the instrument main body 2 contact the signal wire terminal 3. FIG. Can be prevented. Further, since the concave portion 21 is provided with an inclined surface 21 a inclined at least from the front side of the front end of the flange portion 23, dust or a piece of wall material dropped from the front end of the flange portion 23 is removed from the signal line terminal 3. Is also easy to fall down. Thereby, it is possible to prevent dust and wall material fragments from accumulating in the vicinity of the signal line terminal 3, and to reduce the risk of leakage.
Further, since the rear side wall 20 protrudes rearward from the concave portion 22 on the upper side of the concave portion 22, it is possible to prevent dust and a piece of wall material from coming into contact with the power supply terminal 4, thereby improving safety. Can do.

  Further, the width of the instrument body 2 in the front-rear direction is formed wider than the width of the switch 6 in the same direction, and a step is generated between the instrument body 2 and the switch 6 when attached. This step can facilitate the wiring of the power supply line L3, and by wiring the power supply line L3 along the wiring groove 24 described above, it is possible to prevent the power supply line L3 from covering the connection terminal portion of the switch 6. The power supply line L2 can be wired to.

  As shown in FIG. 1B, after connecting the signal line L1, the power supply line L2, and the connection line L3, the plate-shaped protective cover 8 is attached so as to contact the rear side wall 20 of the instrument body 2. You may do it. In this way, the signal line terminal 3 and the power line terminal 4 can be reliably separated, and the signal line L1 and the power line L2 can be easily switched without being contacted even when housed in the switch case. Can be stored in a case.

DESCRIPTION OF SYMBOLS 1 Wiring fixture 2 Appliance main body 3 Terminal for signal lines (terminal for weak electricity)
4 Power line terminals (high power terminals)
5 Mounting frame 7 Lighting fixture 20 Rear side wall L1 Signal line (wiring for weak current)
L2 Power line (High current wiring)

Claims (3)

Comprising an instrument body that is embedded disposed so as to fit the rear to the instrument attachment hole provided in the erecting surface and light electrical terminals for low current wire is connected, and a strong electric terminal for high current wires are connected ,
Wherein the strong electric terminal and the weak electric terminal is in the rear surface of the instrument instrument body, a different position is the position in the vertical direction, depression formed on the front side than the other portions in the rear surface of the instrument body Provided on the bottom wall of each recessed portion,
The concave portion provided on the upper end side of the instrument body is provided with a collar portion protruding rearward from the surroundings on the upper side of the concave portion, and the lower side wall of the concave portion provided on the upper end side is at least the collar portion. wiring accessories than the tip, characterized that you having an inclined surface inclined downward toward the front to the rear. Wire device of claim 1, wherein that you have a protective cover attached so as to abut against the rear wall of the appliance body. The instrument body is formed in two module dimensions, which are two unit dimensions that can be attached to a mounting frame for an embedded wiring instrument, and above the rear surface of the instrument body or the either one side edge of the lower, according to claim 1 or claim 2 wherein the wiring device characterized that you wiring groove connected the strong current wiring to the strong electric terminals are arranged is provided.

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