CN201429669Y

CN201429669Y - Signal wire breakage and short-circuit detector

Info

Publication number: CN201429669Y
Application number: CN2009203008052U
Authority: CN
Inventors: 田永茂
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-02-24
Filing date: 2009-02-24
Publication date: 2010-03-24
Anticipated expiration: 2019-02-24

Abstract

The utility model discloses a signal wire breakage and short-circuit detector, and aims to provide a device for conveniently detecting the states of connection, disconnection and short-circuit of signal wires, wherein a power supply 5, a current limiter 4, and indicators 3 are connected among corresponding socket points of two sockets. Two plugs on two ends of a signal wire are respectively plugged in the socket 1a and the socket 1b, and the connection, disconnection and short-circuit conditions of the signal wire are judged through the indicators 3. When a certain core wire in the signal wireis connected, the indicator 3 corresponding to the core wire can be illumed, if one of core wires is disconnected, and the indictor corresponding to the core wire does not be illumed, if two adjacentcore wires generate short-circuit, and the corresponding indicator 3' between the two adjacent core wires is illumed.

Description

Signal wire is disconnected, short circuit detector

Technical field

The utility model relate to a kind of signal wire path, open circuit, the detecting device of short-circuit condition.

Background technology

At present, the quality that detects as microphone cord, video signal cable and other a little signal wires in real work is to detect with multimeter substantially, this method will detect the switching of each root heart yearn of the above signal wire of two cores or two cores or the short-circuit conditions between the adjacent heart yearn, must need just can detect time-consuming take a lot of work and not necessarily accurate with the several number of times more than two times of heart yearn.Moreover be exactly directly on probation on machine, trouble and not necessarily determine fault coverage.

Summary of the invention

The purpose of this utility model provides the device of a kind of convenient inspection, the switching of test signal line, short circuit.Two plugs at signal wire two are inserted respectively in two sockets of the present utility model, judge switching, the short-circuit conditions of signal wire by indicator.

For achieving the above object, the utility model is included between the corresponding grafting point of two sockets and connects power supply, restrictor, indicator successively.

In sum, the utility model has the advantages that:

1, simple in structure, be easy to make;

2, with low cost, be convenient to promote;

3, simple to operate, easy to use, be easy to carry.

Below in conjunction with the drawings and specific embodiments utility model is described in further detail.

Description of drawings

Fig. 1 is that signal wire of the present utility model is disconnected, the block scheme of first kind of embodiment of the circuit theory diagrams of short circuit detector.

Fig. 2 is that signal wire of the present utility model is disconnected, the block scheme of second kind of embodiment of the circuit theory diagrams of short circuit detector.

Fig. 3 is that signal wire of the present utility model is disconnected, the circuit of short circuit detector and first kind of assembling scheme enforcement figure between the shell body.

Fig. 4 is that signal wire of the present utility model is disconnected, the circuit of short circuit detector and second kind of assembling scheme enforcement figure between the shell body.

Embodiment

As shown in Figure 1, the utility model comprises between the corresponding grafting point of grafting point 2b of the grafting point 2a of socket 1a and socket 1b and connects power supply 5, restrictor 4, indicator 3 successively.The plug at signal wire two to be detected is inserted respectively in the socket 1a and socket 1b of this utility model, when the heart yearn conducting in the signal wire, then the pairing indicator 3 of this heart yearn is just lighted; When every heart yearn in the signal wire can both conducting, then all indicators 3 were all lighted.During as wherein a certain not conducting of heart yearn then the pairing indicator 3 of this heart yearn just do not work.

As shown in Figure 1, the utility model also comprises between the adjacent in twos grafting point of the grafting point 2b of the grafting point 2a of socket 1a and socket 1b and connects power supply 5, restrictor 4, indicator 3 successively, the plug at signal wire two to be detected is inserted respectively in the socket 1a and socket 1b of this utility model, during as certain two adjacent short circuits between conductors, then pairing indicator 3 ' is just lighted between this two adjacent heart yearn.

As shown in Figure 1, the utility model can not wanted indicator 3 ' and pairing restrictor 4 thereof yet, just the path of a signal lines and the moral situation that opens circuit.

As shown in Figure 2, the utility model comprises between the corresponding grafting point of grafting point 2b of the grafting point 2a of socket 1a and socket 1b and connects restrictor 4 and indicator 3 and common source 5 successively.The plug at signal wire two to be detected is inserted respectively in the socket 1a and socket 1b of this utility model, when the heart yearn conducting in the signal wire, then the pairing indicator 3 of this heart yearn is just lighted; When every heart yearn in the signal wire can both conducting, then all indicators 3 were all lighted.During as wherein a certain not conducting of heart yearn then the pairing indicator 3 of this heart yearn just do not work.

As Fig. 1, Fig. 3 or shown in Figure 4, signal wire of the present utility model is disconnected, short circuit detector, can detect two core signal wires, three core signal wires or more n core signal wire, two sockets of socket 1a and socket 1b, branch n are to the grafting point, and pegging graft for every pair connects power supply 5, restrictor 4, indicator 3 respectively between the point successively.

As Fig. 2, Fig. 3 or shown in Figure 4, signal wire of the present utility model is disconnected, short circuit detector, can detect two core signal wires, three core signal wires or more n core signal wire, two sockets of socket 1a and socket 1b, divide n to the grafting point, pegging graft for every pair connects restrictor 4, indicator 3, an and shared power supply 5 respectively successively between the point.

As shown in Figure 1, three core signal wires connect power supply 5, restrictor 4, indicator 3 respectively between this three couples grafting point successively between 2 adjacent in twos grafting points in this way.The plug at signal wire two to be detected is inserted respectively in the socket 1a and socket 1b of this utility model, when between certain two adjacent two heart yearn the situation of short circuit being arranged, then these two heart yearns say that the indicator 3 ' between the corresponding grafting point just lights.Also be the same principle when two core signal wires or more n core signal wire in this way.

As shown in Figure 3, connecting power supply 5, restrictor 4, indicator 3 between the grafting point of socket 1a and socket 1b successively is assemblied in the box body 6, the side that socket 1a under the described grafting point and socket 1b are fixed in box body 6 (can be in the same side arbitrarily of box body 6, or the sides of two relative side and two adjacent 90 degree), indicator 3 and the indicator 3 ' housing that is exposed to box body 6 is convenient to outward observe.

As shown in Figure 4, connecting power supply 5, restrictor 4, indicator 3 between the grafting point of socket 1a and socket 1b successively is assemblied in the box body 6, the housing that the front that socket 1a under the described grafting point and socket 1b are fixed in box body 6, indicator 3 and indicator 3 ' are exposed to box body 6 is convenient to outward observe.

Signal wire of the present utility model is disconnected, the indicator 3 of short circuit detector can be a light emitting diode, also can be that fluorescent light, tungsten lamp or other have the device of Presentation Function.Restrictor 4 can be resistance or other current limliting components and parts, and when the supply voltage of selecting suitable indicators 3 work for use, or can directly use the indicator of power supply power supply the time, the utility model just can not wanted restrictor 4.

Signal wire of the present utility model is disconnected, three core sockets of short circuit detector can be at the imperial socket of card or other three cores socket, as can be lotus flower socket, BNC socket or other two cores socket when using two core signal wires, more just select the socket of corresponding its plug of this signal wire during the signal wire of multicore for use as applying detection.

Disconnected, the short circuit detector of signal wire of the present utility model has the battery folder dry cell of packing in housing 6, each root heart yearn correspondence all has an a battery folder independently dry cell of packing into as shown in Figure 1, powers for each root heart yearn and pairing indicator 3 separately.

Disconnected, the short circuit detector of signal wire of the present utility model has the battery folder dry cell of packing in housing, have only the battery folder dry cell of packing into as shown in Figure 2, gives each root heart yearn and the 3 unified power supplies of pairing indicator.

Signal wire of the present utility model is disconnected, short circuit detector also can be combined in the multimeter and use.

Claims

1. disconnected, the short circuit detector of signal wire is characterized in that: n grafting point respectively arranged in socket 1a and the socket 1b, connect power supply (5), restrictor (4), indicator (3) between the grafting point of socket 1a and socket 1b successively.

2. disconnected, the short circuit detector of signal wire according to claim 1 is characterized in that: described socket 1a or socket 1b be two core sockets, be divided into two pairs of grafting points.

3. disconnected, the short circuit detector of signal wire according to claim 1 is characterized in that: described socket 1a or socket 1b be three core sockets, be divided into three pairs of grafting points.

4. signal wire according to claim 1 is disconnected, short circuit detector, it is characterized in that: the n of two n core sockets (1), branch correspondence is to grafting point (2), and pegging graft for every pair connects restrictor (4), indicator (3) respectively successively and insert a common source (5) between the point.

5. signal wire according to claim 3 is disconnected, short circuit detector, it is characterized in that: this three couple pegs graft and connects power supply (5), restrictor (4), indicator (3) successively respectively between 2 adjacent in twos grafting points between the point.

6. signal wire according to claim 2 is disconnected, short circuit detector, it is characterized in that: connect power supply (5), restrictor (4), indicator (3) between two circuits of these two pairs of grafting points (2) successively.

7. according to claim 1,2, disconnected, the short circuit detector of 3 or 6 any described signal wires, it is characterized in that: described socket 1a and socket 1b are fixed in the side of box body, and indicator (3) is exposed to the front of box body.

8. according to claim 1,2, disconnected, the short circuit detector of 3 or 6 any described signal wires, it is characterized in that: described power supply (5), restrictor (4), indicator (3) are assemblied in the box body, described socket 1a and socket 1b are fixed in the front of box body, and indicator (3) is exposed to the front of box body.

9., short circuit detector disconnected according to any described signal wire of claim 1 to 6, it is characterized in that: this restrictor (4) is a resistance, indicator (3) is a light emitting diode.