JP2008016358A - Wiring apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a wiring apparatus structured so that the manufacturing cost of an outlet can be substantially reduced, the maximum number of the wiring apparatuses can be disposed in the case of the outlet, and whether power supply is interrupted or not can be selected in case of abnormality of the outlet. <P>SOLUTION: This wiring apparatus 1 is equipped with connection terminals 3, 3 to which power lines are connected, feed terminals 4a, 4a for non-interruption and feed terminals 4b, 4b for interruption to supply power to the outlet 21, an input terminal 6 to which the output line 28 of a sensor 25 to detect abnormality of the outlet 21 is connected, a control circuit 8 to output an alarm signal and an interruption signal when the signal input from the input terminal 6 is determined to be abnormal, an alarm means 9 operated by the alarm signal, and an interrupting means 10 to interrupt supply of power to the feed terminals 4b, 4b for interruption by the interruption signal. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an embedded wiring apparatus that cuts off the power supply to a power outlet or gives a notification in response to an abnormality of a separate power outlet.

  An embedded outlet used by being embedded in a wall surface has 1 to 3 insertion plug connecting portions and ground terminals arranged in the longitudinal direction of the front surface of a substantially cubic case. Also, for example, an outlet equipped with an abnormality detection function such as a tracking protection device, an overload protection device, an earth leakage protection device, a cord short circuit protection device, or a seismic device shuts off the power supply together with the abnormality detection means in the same case of the outlet. A control circuit that activates the shut-off means and the alarm means by judging the abnormality from the output signal of the shut-off means and the alarm means that performs the notification and the abnormality detection means has been incorporated (for example, see Patent Document 1).

Japanese Utility Model Publication No. 57-199974

  For this reason, since an outlet equipped with an abnormality detection function incorporates these members in the case, it uses space for one module such as a plug connector and a grounding terminal, and in a case of three module dimensions. When only two plug connector portions can be arranged and a ground terminal is provided, only one plug connector portion is provided, so that there is a problem that usability deteriorates. Moreover, since the shut-off means, alarm means, and control circuit are provided for each outlet, the cost has been increased.

  According to the first aspect of the present invention, there is provided a connection terminal to which a power line is connected, a blocking feed terminal for electrically connecting to the connection terminal and supplying power to a separate outlet, and a non-feeding terminal. Output terminal for interruption, input terminal to which output line of abnormality detection means provided in separate outlet is connected, and output alarm signal and interruption signal when signal input to input terminal is judged as abnormal It is characterized by comprising a control circuit, an alarm means that is actuated by an alarm signal of the control circuit, and an interruption means that interrupts the supply of power to the interruption feed terminal by an interruption signal of the control circuit.

  According to the second aspect of the present invention, the wiring device according to the first aspect further includes an alarm output terminal for outputting an alarm signal of the control circuit to the outside.

  According to a third aspect of the present invention, in the wiring device according to the first or second aspect, the input terminal comprises a non-blocking input terminal and a blocking input terminal, and the control circuit is a non-blocking input terminal. When it is determined that the signal input to is abnormal, only the alarm signal is output, and when the signal input to the cutoff input terminal is determined to be abnormal, both the alarm signal and the cutoff signal are output. .

  According to the fourth aspect of the present invention, in the wiring device according to the first or second aspect, the outlet can output a non-blocking signal or a blocking signal in response to a signal output from the abnormality detecting means. It is characterized by comprising signal output means and switching means for selecting an output signal from the signal output means.

  According to the first aspect of the present invention, since the outlet means, the alarm means, and the control circuit are not provided in the outlet, the manufacturing cost of the outlet can be greatly reduced, and the plug connection connected to the outlet case can be connected. The maximum number can be arranged without reducing the number of parts and ground terminals, and there is an effect that it is possible to select whether or not to cut off the power supply when the outlet is abnormal.

  According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, there is an effect that abnormality of the outlet can be detected at a place away from the wiring device.

  According to the invention described in claim 3, in addition to the effect of the invention described in claim 1 or 2, there is an effect that the outlet to be blocked and the outlet not to be blocked can be controlled separately.

  According to the invention described in claim 4, in addition to the effect of the invention described in claim 1 or 2, there is an effect that the outlet to be blocked and the outlet not to be blocked can be controlled separately.

  Wiring equipment is connected to the connection terminal to which the power line is connected, the non-interruptible feed terminal and the cut-off feed terminal that are electrically connected to the connection terminal and supply power to the separate outlet, and the separate outlet. Operated by an input terminal to which the output line of the provided abnormality detection means is connected, a control circuit that outputs an alarm signal and a cut-off signal when a signal input from the input terminal is determined to be abnormal, and an alarm signal of the control circuit And an interruption means for interrupting the supply of electric power to the interruption feed terminal by an interruption signal of the control circuit.

  First Embodiment A wiring device according to a first embodiment of the present invention will be described with reference to the attached drawings of FIGS.

  The wiring device 1 is electrically connected to the connection terminals 3 and 3 to which the power lines 2 and 2 are connected, and the connection terminals 3 and 3 to supply power to the plurality of outlets 21 (21a, 21b, and 21c). Determine whether the interruption feed terminals 4a, 4a and the non-breaking feed terminals 4b, 4b, the input terminal 6 for inputting the signal outputted from the outlet 21, and whether the signal inputted from the input terminal 6 is abnormal. The control circuit 8 that outputs a signal when it is abnormal, the alarm means 9 that operates according to the output signal of the control circuit 8, and the supply of power to the cutoff feed terminals 4a and 4a is cut off by the output signal of the control circuit 8 Each member is accommodated in a case 11 formed with three module dimensions.

  Further, the outlet 21 includes connection terminals 23a and 23a to which feed lines 22 and 22 connected to any of the non-interrupt feed terminals 4a and 4a and the shut-off feed terminals 4b and 4b of the wiring device 1 are connected. 23a, feed connection terminals 23b, 23b electrically connected to 23a, and plug connection portions 24, 24, 24, 24, and power plugs connected to the plug connection portions 24, 24, 24, 24 In order to detect the tracking generated between the blades, sensors 25 and 25 as abnormality detecting means provided in each plug connecting portion 24, 24, 24 and 24, and detection signals from the sensors 25 and 25 are externally provided. A sensor output terminal 26a for output and a sensor output feed terminal 26b electrically connected to the sensor output terminal 26a are configured, and a case 27 formed with three module dimensions is provided. Housing the member. The wiring device 1 and the outlet 21 are provided alone or in parallel via the mounting frame 15 and embedded in the wall.

  Next, the wiring between the wiring device 1 and the outlet 21 will be described. The connection between the wiring device 1 and the outlet 21 differs depending on whether the supply of power is cut off or not when the outlet 21 is abnormal. If it is not desired to cut off the supply of power when an abnormality occurs in the outlet 21, the connection terminals 23a, 23a of the outlet 21a and the non-interruptible feed terminal 4a of the wiring device 1 are connected like the wiring of the outlet 21a in FIG. , 4a are connected by feed lines 22 and 22, and sensor output terminal 26a of outlet 21a and input terminal 6 of wiring device 1 are connected by signal line 28. Further, when it is desired to cut off the supply of power when an abnormality occurs in the outlet 21a, wiring is performed like the outlets 21b and 21c in FIG. The outlet 21b connects the connection terminals 23a, 23a and the blocking feed terminals 4b, 4b of the wiring device 1 by the feed lines 22, 22, and connects the sensor output terminal 26a of the outlet 21b and the input terminal 6 of the wiring device 1. . However, since the input terminal 6 of the wiring device 1 is already connected to the signal line 28 from the sensor output terminal 26a of the outlet 21a, the signal output line 28 is connected to the sensor output terminal 26a of the outlet 21b and the sensor output feed terminal 26b of the outlet 21a. So that a signal is input to the input terminal 6 of the wiring device 1 via the outlet 21a. Further, as the outlet 21c is added to the outlet 21b, the connection terminals 23a and 23a of the outlet 21c and the feed connection terminals 23b and 23b of the outlet 21b are connected by the feed lines 22 and 22, and the sensor output terminal 26a of the outlet 21c is connected. The sensor output feed terminal 26b of the outlet 21b is connected.

  The operation of the wiring device 1 and the outlet 21 thus connected will be described. The outlets 21 a, 21 b, and 21 c are all supplied with power through the wiring device 1, and can be supplied with power by inserting a power plug into the plug-in plug connection portion 24. Then, if the power plug is inserted into the plug connector 24 and left without being removed for a long time, dust accumulates on the power plug, and if the dust contains moisture, the plug blades of the power plug are electrically connected. Tracking occurs.

  When this tracking occurs in any of the outlets 21a, 21b, and 21c, the sensor 25 detects this and a detection signal is input from the sensor output terminal 26a to the input terminal 6 of the wiring device 1 through the signal line 28. . The control circuit 8 determines whether or not the detection signal is abnormal. If it is determined that the detection signal is abnormal, an alarm signal and a cut-off signal are output from the control circuit 8, the alarm means 9 is activated by the alarm signal, and an alarm sound is generated. Rings to notify that an abnormality has occurred. Further, the shut-off means 10 is actuated by the shut-off signal to shut off the supply of power to the shut-off feed terminals 4b and 4b, and the outlets 21b and 21c connected to the shut-off feed terminals 4b and 4b are shut off from the power supply. The In addition, since the supply of electric power to the non-interrupting feed terminals 4a and 4a is not interrupted, the outlet 21a connected to the non-interrupting feed terminals 4a and 4a continues to be supplied with electric power.

  In addition, although the abnormality detection means provided in the outlet in this embodiment is designed to detect tracking, it may detect overload, electric leakage, cord short circuit, earthquake, heating, etc. The outlet has only two sets of plug connection portions, but there are no limitations on these combinations, such as three plug connection portions or ground terminals. Further, in this embodiment, one outlet is connected to the non-interrupting feed terminal of the wiring apparatus, and two outlets are connected to the blocking feed terminal, but the number of outlets can be increased or decreased. Further, in this embodiment, the blocking feed terminal and the non-blocking feed terminal are provided for each outlet, and only one input terminal is provided. However, as shown in FIG. 3, a plurality of outlets can be connected individually. It may be provided, and other configurations and structures can be appropriately changed and implemented without departing from the spirit of the present invention.

  Example 2 of the wiring device according to the present invention will be described with reference to the attached drawing of FIG. In addition, the same part as Example 1 attaches | subjects the same code | symbol, and abbreviate | omits description.

  This embodiment is different from the first embodiment in that the wiring device 1 includes an alarm output terminal 12 that outputs an alarm signal output from the control circuit 8 to the outside. Thereby, a signal can be output to a place away from the wiring device 1, and an abnormality of the outlet 21 can be detected at a location away from the wiring device 1.

  A third embodiment of the wiring device according to the present invention will be described with reference to the attached drawing of FIG. In addition, the same part as Example 1 or Example 2 attaches | subjects the same code | symbol, and abbreviate | omits description.

  The present embodiment is different from the first or second embodiment in that the input terminal 6 of the wiring device 1 includes a non-blocking input terminal 6a and a blocking input terminal 6b.

  The non-blocking input terminal 6a outputs only an alarm signal from the control circuit 8 when the input signal is determined to be abnormal by the control circuit 8, and the blocking input terminal 6b indicates that the input signal is abnormal by the control circuit 8. When it is determined, both the alarm signal and the cutoff signal are output from the control circuit 8. Therefore, when an abnormality occurs in the outlet 21, the outlet 21a that does not want to cut off the power supply connects the sensor output terminal 26a and the non-interrupt input terminal 6a via the signal line 28, and the outlet 21 has an abnormality. In addition, the outlet 21b that wants to cut off the supply of power connects the sensor output terminal 26a and the cutoff input terminal 6b by a signal line 28. Further, the outlet 21c connects the sensor output terminal 26a to the sensor output feed terminal 26b of the outlet 21b, and a signal is input to the interruption input terminal 6b of the wiring device 1 via the outlet 21b.

  When tracking occurs in the outlet 21a thus connected, the sensor 25 detects this, and a detection signal is input from the sensor output terminal 26a to the non-blocking input terminal 6a of the wiring device 1 via the signal line 28. Whether or not the detection signal is abnormal is determined by the control circuit 8. If it is determined that the detection signal is abnormal, only the alarm signal is output from the control circuit 8, the alarm means 10 is activated by the alarm signal, and the alarm sound is sounded. To notify that an abnormality has occurred. At this time, power supply to the non-interrupting feed terminals 4a and 4a and the shut-off feed terminals 4b and 4b is not cut off, so that the outlets 21a, 21b and 21c continue to be supplied with power.

  When tracking occurs in the outlet 21b or the outlet 21c, the sensor 25 detects this, and a detection signal is input from the sensor output terminal 26a to the cutoff input terminal 6b of the wiring device 1 through the signal line 28. The control circuit 8 determines whether or not the detection signal is abnormal. If it is determined that the detection signal is abnormal, an alarm signal and a cut-off signal are output from the control circuit 8, the alarm means 9 is activated by the alarm signal, and an alarm sound is generated. Rings to notify that an abnormality has occurred. Further, the shut-off means 10 is actuated by the shut-off signal to shut off the supply of power to the shut-off feed terminals 4b and 4b, and the outlets 21b and 21c connected to the shut-off feed terminals 4b and 4b are shut off from the power supply. The In addition, since the supply of electric power to the non-interrupting feed terminals 4a and 4a is not interrupted, the outlet 21a connected to the non-interrupting feed terminals 4a and 4a continues to be supplied with electric power.

  For this reason, in the wiring apparatus of Example 1 or Example 2, when abnormality occurs in the outlet 21a, the supply of power to the outlets 21b and 21c in which no abnormality has occurred is interrupted. In this example, the outlet 21a When an abnormality occurs, the supply of power to the outlets 21b and 21c in which no abnormality has occurred is not cut off, and the outlet to be cut off and the outlet to be cut off can be controlled separately.

  Embodiment 4 of the wiring device according to the present invention will be described with reference to the attached drawing of FIG. In addition, the same part as Example 1 or Example 2 attaches | subjects the same code | symbol, and abbreviate | omits description.

  In this embodiment, the outlet 21 receives a signal output from the sensor 25 and serves as a signal output means 29 that can output a non-blocking signal or a blocking signal, and a switching means that selects an output signal from the signal output means 29. The switch 30 is different from the first or second embodiment.

  Since the outlet 21a does not want to cut off the power supply when there is an abnormality, the switch 30 is selected so that a non-interruptible signal is output, and the outlets 21b and 21c want to cut off the power supply when there is an abnormality. Is selected to be output.

  When tracking occurs in the outlet 21a configured as described above, when the sensor 25 detects this, a non-blocking signal is output from the signal output means 29, and the non-blocking signal is output from the sensor output terminal 26a via the signal line 28. The signal is input to the input terminal 6 of the wiring device 1. It is determined whether or not the non-blocking signal is abnormal by the control circuit 8, and if it is determined that it is abnormal, only the alarm signal is output from the control circuit 8, the alarm means 10 is activated by the alarm signal, and the alarm sound Rings to notify that an abnormality has occurred. At this time, power supply to the non-interrupting feed terminals 4a and 4a and the shut-off feed terminals 4b and 4b is not cut off, so that the outlets 21a, 21b and 21c continue to be supplied with power.

  Further, when tracking occurs in the outlet 21b or the outlet 21c, when the sensor 25 detects this, a blocking signal is output from the signal output means 29, and the blocking signal is transmitted from the sensor output terminal 26a via the signal line 28 to the wiring device. The detection signal is input to the input terminal 6 of 1. The control circuit 8 determines whether or not the detection signal is abnormal. If it is determined that the detection signal is abnormal, an alarm signal and a cut-off signal are output from the control circuit 8, the alarm means 9 is activated by the alarm signal, and an alarm sound is generated. Rings to notify that an abnormality has occurred. Further, the shut-off means 10 is actuated by the shut-off signal to shut off the supply of power to the shut-off feed terminals 4b and 4b, and the outlets 21b and 21c connected to the shut-off feed terminals 4b and 4b are shut off from the power supply. The In addition, since the supply of electric power to the non-interrupting feed terminals 4a and 4a is not interrupted, the outlet 21a connected to the non-interrupting feed terminals 4a and 4a continues to be supplied with electric power.

    For this reason, in the wiring apparatus of Example 1 or Example 2, when abnormality occurs in the outlet 21a, the supply of power to the outlets 21b and 21c in which no abnormality has occurred is interrupted. In this example, the outlet 21a When an abnormality occurs, the supply of power to the outlets 21b and 21c in which no abnormality has occurred is not cut off, and the outlet to be cut off and the outlet to be cut off can be controlled separately.

It is explanatory drawing which shows the wiring appliance and outlet socket which concern on Example 1 of this invention. It is a block diagram which shows the wiring appliance and outlet socket which concern on Example 1 of this invention. It is a block diagram which shows the modification Example of the wiring appliance which concerns on Example 1 of this invention. It is a block diagram which shows the wiring appliance and outlet socket which concern on Example 2 of this invention. It is a block diagram which shows the wiring fixture and outlet socket which concern on Example 3 of this invention. It is a block diagram which shows the wiring appliance and outlet socket which concern on Example 4 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Wiring tool 3 Connection terminal 4a Blocking feed terminal 4b Non-blocking feed terminal 6 Input terminal 8 Control circuit 9 Blocking unit 10 Alarm unit 21 Outlet 22 Feed line 23a Connection terminal 23b Feed connection terminal 24 Plug plug connection part 25 Sensor 26a Sensor output terminal 26b Sensor output feed terminal 28 Signal line

Claims (4)

  A connection terminal to which a power line is connected, a cutoff feed terminal and a non-cutoff feed terminal that are electrically connected to the connection terminal and supply power to a separate outlet, and provided in the separate outlet An input terminal to which the output line of the abnormality detection means is connected, a control circuit that outputs an alarm signal and a cut-off signal when it is determined that the signal input to the input terminal is abnormal, and an operation performed by the alarm signal of the control circuit A wiring device comprising: an alarming means for shutting off; and a shutting off means for shutting off the supply of power to the feed terminal for shutoff by a shutoff signal from the control circuit.   The wiring device according to claim 1, further comprising an alarm output terminal that outputs an alarm signal of the control circuit to the outside.   The input terminal is composed of a non-blocking input terminal and a blocking input terminal, and the control circuit outputs only an alarm signal when the signal input to the non-blocking input terminal is determined to be abnormal, and the blocking input terminal. 3. The wiring device according to claim 1, wherein both the alarm signal and the cutoff signal are output when it is determined that the signal input to is abnormal. 4.   The outlet includes a signal output unit capable of receiving a signal output from the abnormality detection unit and outputting a non-blocking signal or a blocking signal, and a switching unit that selects an output signal from the signal output unit. The wiring device according to claim 1 or 2, characterized by the above-mentioned.

Images