JPH10111336A - Test device for unit cable - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simply, effectively, safely and certainly carry out the inspection of wiring connection and of polarity by connecting a light emitting diode(LED) in parallel to a plug socket wiring connection terminal of a unit cable, a switch wring connection terminal and a lighting fitting wiring connection terminal so that a polarity may be reversed. SOLUTION: An anode of LED 36 and a cathode of LED 37 are connected through a protected resistance 35 to the positive side plug socket wiring connection terminal 34 of a unit cable 26. The cathode of LED 36 and the anode of LED 37 are connected to a negative side plug socket wiring connection terminal 38. Similarly, LEDs 41, 42 and LEDs 47, 48 are connected to a positive side and a negative side lighting switch wiring connection terminals 39, 43 and a positive side and a negative side lighting fitting wiring connection terminals 45, 49 so that the polaritis are mutually reversed. Thus the whole of wiring getting out of one unit cable can be simultaneously inspected for certainly inspecting whether wiring connection in the unit cable is correct or not.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring for lighting equipment, a wiring for a lighting switch for turning on and off the lighting equipment, a wiring for an outlet, a wiring for a power supply, and the like. The present invention relates to a unit cable test apparatus for inspection.

[0002]

2. Description of the Related Art FIG. 2 is a structural explanatory view showing an example of room allocation and electric wiring per unit of an apartment house such as an apartment. That is, there are four rooms: room A, room B, room C, and room D. In room A, a lighting fixture 11, a lighting switch 12 for turning on / off the lighting fixture 11, and an outlet 13 are provided. In the room B, a lighting fixture 14, a lighting switch 15 for turning the lighting fixture 14 on and off, and outlets 16 and 17 are provided. Room C
Are provided with a lighting fixture 18, a lighting switch 19 for turning on and off the lighting fixture 18, and outlets 20 and 21. The room D is provided with a lighting fixture 22, a lighting switch 23 for turning on and off the lighting fixture 22, and outlets 24 and 25.
The lighting fixtures 11, 14, 18, 22 and the lighting switch 1
2, 15, 19, 23 and outlets 13, 16, 1
7, 20, 21, 24, and 25 are connected to predetermined wiring by a unit cable 26, and a commercial power supply 27 is connected to the unit cable 26 by wiring.

[0003] In a condominium or other apartment house, the unit layout and electric wiring of each house are the same. Therefore, it is necessary to manufacture a unit cable in which the same wiring is connected and assembled in advance, and perform wiring work using this unit cable. By
Wiring work can be performed efficiently. The unit cable can be manufactured at an idle time when electrical work cannot be performed due to other construction work, and by manufacturing the unit cable at the construction site, the length of the electric wire can be adjusted to the construction site, The electric wire is not too long or too short, and waste of the electric wire can be eliminated.

FIG. 3 is a structural explanatory view showing an example of a portion corresponding to the room A in the unit cable. That is, the unit cable 26 includes a commercial power supply wiring 1 for connecting to a commercial power supply 27, a lighting switch wiring 2 for connecting to the lighting switch 12, a lighting fixture wiring 3 for connecting to the lighting fixture 11, An outlet wiring 4 for connecting to the outlet 13 is provided. The commercial power supply wiring 1 has a number “1” sticker attached thereto, and the positive (+) side electric wire 1
01 is made of a black wire, and the negative (−) side electric wire 102 is made of a white wire. The lighting switch wiring 2 is affixed with a number “2” seal, and the positive (+) side electric wire 20
1 is made of a black wire, and the negative (−) side electric wire 202 is made of a white wire. The lighting device wiring 3 has a number “3” seal attached thereto, and the positive (+) side electric wire 301.
Is made of a black wire, and the negative (−) side electric wire 302 is made of a white wire. The outlet wiring 4 has a number “4” seal attached thereto, and the positive (+) side electric wire 401.
Is made of a black wire, and the negative (−) side electric wire 402 is made of a white wire. Positive electrode (+) of the commercial power supply wiring 1
A positive (+) side electric wire 201 of the lighting switch wiring 2 and a positive (+) side electric wire 401 of the outlet wiring 4 are connected to the side electric wire 101.
The negative (−) side electric wire 302 of the wiring 3 for the lighting fixture and the negative (−) side electric wire 402 of the wiring 4 for the outlet are connected to the negative (−) side electric wire 102. The negative (−) side electric wire 202 of the lighting switch wiring 2 is connected to the positive (+) side electric wire 301 of the lighting fixture wiring 3.

[0005] In such a unit cable, it is necessary to inspect whether there is an error in the wiring connection or the polarity of the wiring before the electric work. In the inspection of a conventional unit cable, a 100V power supply was supplied to each of the wirings, and the wiring and the voltage were checked by a tester.

[0006]

However, when the wiring of the unit cables is inspected one by one by a tester, there is a disadvantage that complicated steps are required and the inspection efficiency is deteriorated. Further, since 100V power is supplied to the wiring of the unit cable, there is a risk of electric shock during the operation.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and has a simple configuration, which can efficiently, safely, and reliably perform inspection of wiring connection of unit cables and inspection of polarity of each wiring. It is intended to provide a test device.

[0008]

In order to achieve the above object, a unit cable test apparatus according to the present invention comprises a wiring for a lighting fixture, a wiring for a lighting switch for turning on and off the lighting fixture,
A power supply wiring connection terminal to which the power supply wiring of the unit cable in which the outlet wiring and the power supply wiring are connected to a predetermined wiring; a DC power supply connected to the power supply wiring connection terminal; The outlet wiring connection terminal to which the outlet wiring of the cable is connected, the light emitting diode connected in parallel with the outlet wiring connection terminal in reverse polarity, and the lighting equipment wiring of the unit cable are connected. A wiring connection terminal for lighting equipment, a light emitting diode connected in parallel to the wiring connection terminal for lighting equipment so that the polarity is reversed, and a lighting switch to which wiring for the lighting switch of the unit cable is connected. A source connected in parallel with the wiring connection terminal and the wiring connection terminal for the lighting switch via the switch so that the polarities are reversed. It is characterized in that it comprises a diode.

The present invention also relates to the above-described unit cable test apparatus, wherein the earth power supply wiring is connected to the ground power supply wiring of the unit cable to which the ground wiring of the grounded outlet is connected, and one pole of the DC power supply is connected. Connect the parallel connection between the connection terminal, the ground wiring connection terminal to which the ground wiring of the outlet is connected, and this ground wiring connection terminal and one of the outlet wiring connection terminals with the polarities reversed. And a light emitting diode provided.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a circuit diagram showing an embodiment of the present invention, in which the unit cable of FIG. 3 is inspected. In FIG. 1, 26 indicates a unit cable, and 30 indicates a unit cable test apparatus. That is, the positive (+)-side power supply wiring connection terminal 31 to which the positive (+)-side electric wire 101 of the commercial power supply wiring 1 of the unit cable 26 is connected, and the negative (-) side of the commercial power supply wiring 1 of the unit cable 26 Negative electrode (-) to which electric wire 102 is connected
Output voltage 4.5 V between the side power supply wiring connection terminal 32
DC power supply 33 is connected. An LED (light emitting diode) 36 that emits green light via a protective resistor 35 to a positive (+) side outlet wiring connection terminal 34 to which the positive (+) side electric wire 401 of the outlet wiring 4 of the unit cable 26 is connected. And the cathode of an LED (light emitting diode) 37 that emits red light is connected. The cathode of the LED (light emitting diode) 36 is connected to the negative (-) side outlet wiring connection terminal 38 to which the negative (-) side electric wire 402 of the outlet wiring 4 of the unit cable 26 is connected. The anode of a light emitting diode 37 is connected. An LED (light emitting diode) that emits green light via a protective resistor 40 to a positive (+) side illumination switch wiring connection terminal 39 to which the positive (+) side electric wire 201 of the illumination switch wiring 2 of the unit cable 26 is connected. ) 41 and the cathode of an LED (light emitting diode) 42 that emits red light is connected. The cathode of an LED (light emitting diode) 41 is connected via a switch 44 to a negative (−) side illumination switch wiring connection terminal 43 to which the negative (−) side electric wire 202 of the illumination switch wiring 2 of the unit cable 26 is connected. Connected and LED (Light Emitting Diode) 4
Two anodes are connected. An LED (light emitting diode) that emits green light through a protective resistor 46 to a positive (+) side lighting fixture wiring connection terminal 45 to which the positive (+) side electric wire 301 of the lighting fixture wiring 3 of the unit cable 26 is connected. ) And the cathode of an LED (light emitting diode) 48 that emits red light is connected. The LED (light emitting diode) 4 is connected to the negative (−) side lighting fixture wiring connection terminal 49 to which the negative (−) side electric wire 302 of the lighting fixture wiring 3 of the unit cable 26 is connected.
7 and the anode of an LED (light emitting diode) 48 are connected.

In the case of a unit cable to which the ground wiring of the grounded outlet is connected, a ground power wiring connection terminal 51 connected to the ground power wiring 50 of the unit cable is provided. A positive terminal (+) of a DC power supply 33 having an output voltage of 4.5 V is connected to a terminal 51.
Is connected. A ground wiring connection terminal 53 to which the ground wiring 52 for the outlet of the unit cable is connected is provided.
LED (light emitting diode) 5 that emits green light through
LED connected to 5 anodes and emitting red light
The cathode of (light emitting diode) 56 is connected. Cathode of LED (Light Emitting Diode) 55 and LED
The anode of the (light emitting diode) 56 is commonly connected to the negative (-) side outlet wiring connection terminal 38.

The positive (+) side power supply wiring connection terminal 31
When a DC power supply 33 having an output voltage of 4.5 V is connected between the power supply connection terminal 32 and the negative (-) side power supply wiring connection terminal 32, the LED
If the (light emitting diode) 36 emits green light, the polarity of the positive (+) side electric wire 401 and the negative (−) side electric wire 402 of the outlet wiring 4 of the unit cable 26 is correctly wired, and the LED (light emitting diode) If 37 emits red light, the wiring 4 for the outlet of the unit cable 26
Positive (+) side wire 401 and negative (−) side wire 402
Are connected in reverse. If the LED (light emitting diode) 36 and the LED (light emitting diode) 37 do not emit light, the positive (+) side electric wire 401 or the negative (−) side electric wire 402 of the outlet wiring 4 of the unit cable 26 is broken. .

A DC power supply 33 having an output voltage of 4.5 V is connected between the positive (+) power supply wiring connection terminal 31 and the negative (-) power supply wiring connection terminal 32. When turned on, LED (light emitting diode) 41
When the LED emits green light, the positive (+) side electric wire 201 and the negative (−) side of the illumination switch wiring 2 of the unit cable 26
The polarity of the side wire 202 is correctly wired, and the LED
When the (light emitting diode) 42 emits red light, the polarity of the positive (+) side electric wire 201 and the negative (−) side electric wire 202 of the lighting switch wiring 2 of the unit cable 26 are reversed. If neither the LED (light emitting diode) 41 nor the LED (light emitting diode) 42 emits light, the positive (+) side electric wire 201 or the negative (−) side electric wire 202 of the lighting switch wiring 2 of the unit cable 26.
Is disconnected.

Further, a DC power supply 33 having an output voltage of 4.5 V is connected between the positive (+) side power supply wiring connection terminal 31 and the negative (-) side power supply wiring connection terminal 32, and a switch 44 is connected. When turned on, LED (light emitting diode) 4
When 7 emits green light, the polarity of the positive (+) side electric wire 301 and the negative (−) side electric wire 302 of the wiring 3 for lighting equipment of the unit cable 26 is correctly wired, and the LED (light emitting diode) 48 is red. , The positive (+) side electric wire 301 of the wiring 3 for the lighting fixture of the unit cable 26
The polarity of the negative (−) side electric wire 302 is reversed. The LED (light emitting diode) 47 or LED
If the (light emitting diode) 48 does not emit light, the positive (+) side electric wire 301 or the negative (−) side electric wire 302 of the lighting fixture wiring 3 of the unit cable 26 is broken.

If the LED (light emitting diode) 55 emits green light when the positive electrode (+) of the DC power supply 33 having an output voltage of 4.5 V is connected to the ground power supply wiring connection terminal 51, the unit cable is grounded. The polarities of the power supply wiring 50 and the outlet ground wiring 52 are correctly wired. If the LED (light emitting diode) 56 emits red light, the polarities of the unit cable ground power supply wiring 50 and the outlet ground wiring 52 are reversed. It is wired to.
If neither the LED (light emitting diode) 55 nor the LED (light emitting diode) 56 emits light, the ground power supply wiring 50 or the outlet ground wiring 52 of the unit cable is broken.

Further, the wiring 1 for the commercial power supply of the unit cable
Negative (−) side electric wire 102 and earth wire 5 for outlet
If the LEDs 2 are erroneously connected in series, the LED (light emitting diode) 36 emits green light and the LED (light emitting diode) 56 emits red light and becomes dim.

FIG. 1 shows a case where the unit cable shown in FIG. 3 is inspected, and the unit cable shown in FIG.
Although only a portion corresponding to the electric wiring of FIG. 1 is shown, the circuit of FIG. 1 is also used as a unit cable tester when inspecting a unit cable in which the electric wiring connections of the rooms A to D in FIG. By providing a plurality of circuits corresponding to the electric wiring of the chambers A to D, the inspection can be performed similarly. In this case, by connecting all the wiring of the unit cable to the tester at the same time, incorrect wiring, for example, the lighting switch 12 in the room A
The lighting fixture 22 in the room D lights up even though
I turned off the light switch 12 of the room B but the outlet 1 of the room B
A complicated erroneous wiring inspection such as disconnection of 6, 17 wiring circuits can be performed at once.

Further, when the number of rooms is increased and a unit cable in which electrical wiring connections corresponding to the number of rooms are stored is inspected, the circuit shown in FIG. Inspection can be performed similarly by providing.

As described above, the wiring connection in the unit cable can be correctly performed by simultaneously inspecting all the wirings coming out of one unit cable by a simple configuration having a substantial function of an outlet inspection circuit, a lighting inspection circuit, and the like. Can be reliably inspected, the polarity of the outlet can be inspected in the outlet circuit, the polarity of the switch can be inspected in the lighting circuit, and the polarity of the lighting fixture such as a lamp can be inspected.

Further, by using a DC power supply having an output voltage of 4.5 V as a power supply, a voltage that does not cause an accident such as an electric shock during inspection work can be obtained, which is safe. In addition, the use of a DC power supply facilitates polarity inspection. Furthermore, by using an LED (light emitting diode) having both a rectification function and a display function required for polarity inspection, the polarity inspection and display can be performed at the same time, and the tester can be easily carried. The size and weight can be reduced, and the price can be reduced.

[0021]

As described above, according to the present invention, a unit cable capable of efficiently, safely and reliably performing a wiring connection inspection of a unit cable and a polarity inspection of each wiring with a simple configuration. Can be provided.

[Brief description of the drawings]

FIG. 1 is a circuit diagram showing an embodiment of the present invention.

FIG. 2 is a configuration explanatory view showing an example of room allocation and electric wiring per unit of an apartment house such as an apartment.

FIG. 3 is a configuration explanatory view showing an example of a portion corresponding to one room in a unit cable.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Wiring for commercial power supply, 2 ... Wiring for lighting switch, 3 ... Wiring for lighting fixture, 4 ... Wiring for outlet, 11 ... Lighting fixture, 12 ... Lighting switch, 13 ... Outlet, 14 ... Lighting fixture, 15 ... Lighting switch , 16, 17 ... outlet, 18 ... lighting equipment, 19 ... lighting switch, 20, 21 ... outlet, 23 ... lighting switch, 24, 25 ... outlet, 26 ... unit cable, 27 ... commercial power supply, 31 ... positive electrode (+) Wiring connection terminal for side power supply, 32 ... Wiring connection terminal for negative (-) side power supply, 33 ... DC power supply, 34 ... Wiring connection terminal for positive (+) side outlet, 35 ... Protection resistor, 36 ... LED (light emitting diode) 37, LED (light emitting diode), 38, wiring connection terminal for negative (-) side outlet, 39 ... wiring connection terminal for positive (+) side illumination switch, 40: protection resistor, 41: LED (light emitting diode), 42: LED (light emitting diode), 43: wiring connection terminal for negative (-) side lighting switch, 44 ... switch, 45 ... wiring for positive (+) side lighting fixture Connection terminal, 46: Protection resistor, 47: LED (light emitting diode), 48: LED (light emitting diode), 49: Wiring connection terminal for negative (-) side lighting fixture, 50: Wiring for ground power, 51: Ground power Wiring connection terminal, 52: ground wiring for outlet, 53: ground wiring connection terminal, 54: protective resistor, 55: LED (light emitting diode), 56: LED (light emitting diode), 101: positive electrode of commercial power wiring (+ ) -Side wire, 102: Negative (-) side wire of commercial power supply wiring, 201: Positive (+)-side wire of lighting switch wiring, 202: Lighting switch Negative (-) side electric wire of wire, 301 ... Positive (+) side electric wire of lighting fixture wiring, 302 ... Negative (-) side electric wire of lighting fixture wiring, 401 ... Positive (+) side electric wire of outlet wiring, 402 ... Negative (-) side electric wire of outlet wiring.

Claims (2)

[Claims] 1. A power supply to which a power supply wiring of a unit cable in which a wiring for a lighting fixture, a wiring for a lighting switch for turning on / off the lighting fixture, a wiring for an outlet, and a wiring for a power supply are connected to a predetermined wiring. And a DC power supply connected to the power supply wiring connection terminal; an outlet wiring connection terminal to which the outlet wiring of the unit cable is connected; and the polarity of the outlet wiring connection terminal is reversed. The light emitting diode connected in parallel as described above, the lighting fixture wiring connection terminal to which the lighting fixture wiring of the unit cable is connected, and the lighting fixture wiring connection terminal are connected in parallel such that the polarity is reversed. A light emitting diode connected thereto; a wiring connection terminal for a lighting switch to which a wiring for a lighting switch of the unit cable is connected; Test Apparatus as cables, characterized in that polarities via the switch switch wiring connection terminals; and a light emitting diode connected in parallel so as to be reversed. 2. A grounding power supply wiring connection terminal connected to a grounding power supply wiring of a unit cable to which a grounding wiring of a grounded outlet is connected and connected to one pole of a DC power supply, and a grounding wiring of the outlet is connected. A ground wiring connection terminal, and a light emitting diode connected in parallel between the ground wiring connection terminal and one of the outlet wiring connection terminals such that the polarities are reversed. The unit cable test apparatus according to claim 1, wherein