JPS5931028Y2 - Wiring duct plug for remote control - Google Patents

Description

[Detailed description of the invention] This invention can be used in buildings, factories, stores, etc.
The present invention relates to an improvement of a wiring duct plug for an indoor power line transport control system that can turn on a large number of lighting fixtures suspended from a wiring duct every other or second time during the day.

FIG. 1 shows the usage state of the wiring duct plug P of the present invention, in which a lighting fixture can be hung at an appropriate location on the wiring duct)-D.

S is a channel setting switch, and as shown in Figure 2, the channel is identified by the phase shift from the zero-crossing point of the high-frequency pulse signal superimposed on the power frequency, and each channel A, B , C lights up the corresponding lighting fixtures depending on the presence or absence of the signals.

Figures 3 and 4 show the structure of the wiring duct plug of the present invention, in which the inside of a horizontally long case body 1 formed approximately in the same direction as the wiring duct) is divided into two by a partition wall 2, and an opening is opened upward. A terminal support 6 is sandwiched between a cover integral 5 provided on the terminal housing 4 and the case body 1, and one of the plugs is A first terminal plate 11 in which the plug blade 7 and one load connection terminal 9 were integrally formed, a second terminal plate 12 in which the other plug blade 8 was formed, and the other load connection terminal 10 were formed. A relay contact is connected between the second terminal plate 12 and the third terminal plate 13 by detecting the power line carrier signal by the control circuit 14. In the wiring duct plug P configured to control the control circuit 15, the relay 18 disposed in the control circuit storage part 3 is inserted through the upright piece 16 formed at the lower part of the second terminal plate 12 through the insertion hole 17 penetrated through the partition wall 2. It is configured by connecting to.

A gap retaining piece 19 is integrally provided on the upper surface of the terminal support 6, and both plug blades 7 and 8 are arranged along both sides of this gap retaining piece 19, and the outer side of the plug blade is The bent end portion is brought into pressure contact with the side conductor 20 inside the wiring duct (D).

21 is a lighting equipment support pipe that also serves as a conduit, and 22 is an unlock button. When the wiring duct plug P is twisted and attached to the wiring duct D, the elastic force of the spring 23 releases the wiring duct D.
This prevents the wiring duct plug P from falling off by fitting into the opening of the wiring duct plug P.

24 is a locking piece that engages with the wiring duct to support a load, and 25 is a cover plate that is attached to the control circuit housing portion 3.

FIG. 2a shows a block diagram of the control circuit 18, in which the carrier signal received from the power line through the coupling circuit 26 is amplified by the amplification circuit 27, then detected by the detection circuit 28, and is used to drive the relay. The relay 18 is controlled via the circuit 29.

30 is a power supply circuit, and 31 is a synchronization circuit that generates the timing of its own channel from the power supply frequency.

These control circuit components are mounted on the printed wiring board 32, and the relay 18 for turning on/off the load power is arranged at a position closest to the terminal housing, that is, near the partition wall 2.

A portion of the control circuit storage portion 3 near the partition wall is formed deeper than other portions in order to accommodate large components such as the relay 18.

A second terminal board 1 is attached to the edge of the printed circuit board 32 on the partition wall side.
A notch groove 33 is formed into which the tip of the upright part 2 fits, and in the final assembly process, lead wires 34 are soldered to the first terminal plate 11 and the third terminal plate 13, and the terminal support plate is assembled. 6 and the printed circuit board 32 are assembled into the case body 1, the upright portion 16 of the second terminal board 12 and the printed circuit board 32 are soldered.

The present invention is constructed as described above, with case body 1
During construction, it is necessary to remove the cover 5 and connect the load to the terminal board 11.13 of the terminal housing part 4.Therefore, a partition is provided between the terminal housing part 4 and the control circuit housing part 3. Although the wall 2 is required, there is a problem in that the terminal support 6 and the relay 18 are arranged very close to each other with the partition wall 2 in between as described above, making it difficult to connect the wires.

However, according to the present invention, the upright piece 16 of the second terminal plate 12 on which the plug blade 8 is formed is inserted through the insertion hole 1 in the partition wall 2.
7 protrudes into the control circuit housing 3 and is soldered to the relay 18, eliminating the need for wiring space and also serves as a means of fixing the printed wiring board 32, preventing the printed wiring board 32 from falling off even when the cover plate 25 is opened. It also has the effect of not doing so.

[Brief explanation of the drawing]

Figure 1 is a perspective view showing how the wiring duct plug of the present invention is used, Figure 2a is a block diagram of the wiring duct plug of the present invention,
FIG. 3b is an explanatory view of the operation, FIG. 3a is a side view of the same as above, b is a top view, C is a longitudinal sectional view, FIG. 4a is an exploded perspective view of the same as above, and FIG. 1 is the case body, 2 is the partition wall, 3 is the control circuit storage section, 4
is a terminal storage part, 5 is a cover integrated, 6 is a terminal support, 7, 8
is a plug blade, 9.10 is a load connection terminal, 11 is a first terminal board, 12 is a second terminal board, 13 is a third terminal board, 1
4 is a control circuit, 15 is a relay contact, 16 is an upright piece, 17
is the insertion hole, 18 is the relay

Claims (1)

[Scope of utility model registration request] The interior of the horizontally long case body formed approximately in the same direction as the wiring duct is divided into two parts by a partition wall to form a control circuit storage part that opens upward and a terminal storage part that opens laterally. A terminal support body is sandwiched between the provided cover integrally and the case body, and a first terminal plate is integrally formed with one plug blade and one load connection terminal, and a second terminal plate is formed with the other plug blade. 2 and a third terminal plate forming the other load connection terminal.
A terminal board is fixed to a terminal support, and a control circuit detects a power line carrier wave signal to control a relay contact connected between a second terminal board and a third terminal board. A duct plug for remote control, in which an upright piece formed at the bottom of a second terminal plate is connected to a relay disposed in a control circuit storage part through an insertion hole penetrated through a partition wall.