KR200277298Y1 - An wiring tester having electrod of plier type - Google Patents

Abstract

The present invention relates to a tong-type wiring tester which greatly improves the convenience of use by detecting the energized state without damaging the core wire while simply cutting the covering of the wiring arranged in the narrow space.

The present invention, the clamp terminal portion is formed on one side, the ground terminal portion is formed on the other side, and is electrically connected between the clamp terminal portion and the ground terminal portion via an electric wire, the plurality of LEDs are sequentially connected to the wire to the forceps In a device for measuring whether the electric parts or electric wires between the terminal part and the ground terminal part are energized or disconnected, and displaying them externally, the ground terminal part has a detection part on one side and a grip part on the other side connected through a hinge axis at the center. It has a structure, one blade portion of the detection unit forms a cutting blade, the other blade portion formed a plurality of wire insertion grooves different in size from each other by the operation of the handle to cut the blades around the hinge axis, the The cutting blade cuts the exposed sheath of the wire placed in the wire insertion groove and And electrically it communicates with the core wire provides a clip-on wire tester configured to detect whether or not energized, and disconnection.

Description

Clamp-type wiring tester {AN WIRING TESTER HAVING ELECTROD OF PLIER TYPE}

The present invention relates to a device for measuring a defective mounting of an electronic component and the presence or absence of energization and disconnection of wires flowing through direct and alternating current. The present invention relates to a device for cutting wires arranged in a narrow space. The present invention relates to a tong type wiring tester which can greatly improve the convenience of use by detecting an energized state without damaging the core wire.

In general known testers, there is Korea Utility Model Registration No. 20-170318 proposed by the applicant of the present invention (name: straight, AC tester with a piezoelectric buzzer), as shown in FIG. Likewise, when measuring the connection failure of the tester for measuring the mounting failure of the electronic parts and the energization and disconnection of the wires flowing through direct and alternating current, the LED lights up together with the buzzer sound through the piezoelectric buzzer so that the tester can be easily checked. The piezoelectric buzzer is installed, it is related to the direct current and the tester.

In the technical configuration, the jack insertion portion 53 is formed above the cylindrical body portion 52 of the tester 51, and the piezoelectric buzzer 54 and the LED 55 are disposed below the jack insertion portion 53. The wires 56 are connected in sequence to protrude outward from the main body 52, and the ground pin 57 is installed at the lower end of the main body 52 of the tester 51 to protect the protective cap 58. ) Is to be installed on the ground pin (57) outside by screwing.

Accordingly, when checking the energization state of the electronic component and the direct and alternating wires through the tester 51 in which the piezoelectric buzzer 54 is built, the buzzer sounds through the piezoelectric buzzer 54 of the tester 51 in the energized state. (55) is turned on, thereby making it easy to check the disconnection of the wiring, and to prevent the ground pin of the tester 51 to prevent the occurrence of malfunction in advance, the tester 51 of the It can extend the life even further.

In addition, there is a Republic of Korea Utility Model Registration No. 20-163568 (name: direct, AC tester), which is, as shown in Figure 8, the buzzer 106 and the LED 107 on the control panel 105 installed inside And a hollow portion of the hollow body 111 having a main body portion 100 into which a terminal 109 connected to the control board 105 is inserted, and screwed into the bottom of the main body portion 100. The terminal pin discharge groove is formed to be connected through and has a terminal pin support part 102 on which the wire contact hole 114 is installed to be connected to one side thereof.

In addition, the inside of the hollow body 111 is inserted through the control board 105 and the elastic ground piece 115 is connected, the handle 116 is inserted into the guide groove to one side is coupled, the terminal pin on the bottom The direct and alternating tester (117) is integrally coupled so that the LED 107 lights up simultaneously with the buzzer sound through the piezoelectric buzzer 106 of the tester in the energized state when checking the energization state of the electronic component and the direct and alternating wire. It is possible to quickly and accurately check the disconnection, and the check operation is easily performed by a simple operation of penetrating the terminal pin 117 without having to remove the covering of the cable 123, the tester is a cable ( Sliding from the upper side of the 123 is prevented to have an excellent effect, such as to prevent the inconvenience when checking the energized state in advance.

However, the conventional techniques described above are all equipped with sharp pin-shaped terminal pins 57 and 117. To detect a short circuit in the wiring system of an automobile, the operator takes a thin wire with his left hand and the terminal with the other hand. The pins 57 and 117 are stuck in the wiring to detect the energized state of the core wire 22b without removing the coating 22a. In this case, the worker must pin the wiring correctly with the terminal pin, but when the wiring is thin, the terminal pin is often stuck with the finger, so that the worker's injury frequently occurred.

In addition, in order to cut the sheath 22a of the wiring arranged in the narrow space, the hands of the operator cannot be entered into the space, and thus even the state of energization cannot be detected, and the inconvenience of use in the narrow space Usage restrictions were very large.

The present invention is to solve the conventional problems as described above, the purpose is to simply cut the coating of the wiring arranged in a narrow space with one hand so that the conduction state can be detected very simply without damaging the core wire It is to provide a clip-type wiring tester that greatly improved the ease of use.

1 is a perspective view showing a tongs-type wiring tester according to the present invention;

Figure 2 is a detailed view of the clip-type wiring tester according to the present invention shown in Figure 1,

a) a cross-sectional view, b) a circuit configuration diagram thereof, c) a working state diagram;

3 is a perspective view showing a tongs type tester according to a modified embodiment of the present invention;

4 is an exploded view of the clip-type wiring tester shown in FIG. 3;

Figure 5 is a perspective view showing a tongs-type wiring tester according to another modified embodiment of the present invention;

6 is an exploded view of the clip-type wiring tester shown in FIG. 5;

7 is a block diagram of a wiring tester according to the prior art;

8 is a configuration diagram of a wiring tester according to the related art.

<Description of the symbols for the main parts of the drawings>

3 ..... Clamp terminal 5 ..... Ground terminal

7 ..... Wire 12 .... Hinge Shaft

14a ... blade 17 ....

20 .... wire 22a ... sheath

22b ... core 26 .... lever

30 .... Insulation cover 42 .... Luminous lamp

43 ... switch 57 ... ground pin

117 ... terminal pin

In order to achieve the above object, the present invention has a clamp terminal portion formed on one side, and a ground terminal portion formed on the other side, and is electrically connected between the clamp terminal portion and the ground terminal portion through a wire, and a plurality of LEDs on the wire. In order to measure the presence or absence of electric current or disconnection of electrical components or wires between the clamp terminal and the ground terminal part by serially connected to the terminal, the ground terminal part forms a detection part on one side and the hinge axis in the center Equipped with a handle portion of the other side connected through it has a tong-like structure, one side blade portion of the detection portion forms a cutting blade, the other blade portion formed a plurality of wire insertion grooves different in size from each other by the operation of the handle hinges The cutting operation about the axis, and the exposed blood of the wire located in the wire insertion groove The cutting blade is cutting and electrical communication with the core wire of the wire is by a clip-on wire tester, characterized by being configured to detect whether the energization and disconnection maryeonham.

Hereinafter, the present invention will be described in more detail with reference to the drawings.

As illustrated in FIGS. 1 and 2, the nipper-type wire tester 1 according to the present invention has one side of the tongs terminal portion 3 formed thereon, and the other side of the tongs-type grounding terminal portion 5 formed thereon. It is electrically connected between the tongs terminal portion 3 and the ground terminal portion 5 via a wire (7).

In addition, a plurality of blue and red LEDs 10a and 10b are sequentially connected to the wires 7, and a positive or negative power source is contacted with the tongs terminal unit 3, and the opposite polarity of the power source is provided. That is, when the ground terminal portion 5 is electrically contacted with an electrical component or a wire to be connected to a power source of a negative electrode or a positive electrode, the operator may have the tongs terminal portion 3 and the ground terminal portion 5 By detecting whether power is connected to each other through a component or an electric wire, whether the electric component or electric wire is disconnected or not is measured. Therefore, when the electric component or the electric wire is in an energized state, a red light or a blue light in the plurality of LEDs 10a and 10b depends on the polarity of the power supply to which the tongs terminal part 3 and the ground terminal part 5 are connected. If one is turned on to indicate whether the electricity is supplied to the outside, if it is electrically shorted, it is not turned on.

The basic technical content of the measurement principle related to this is already proposed by the applicant of the Korean Utility Model Registration No. 20-170318 (name: Direct, AC tester with piezoelectric buzzer) and Korea Utility Model Registration No. 20-163568 It is shown in the heading (name: straight, exchange tester).

The present invention has a tongs-type structure in which the ground terminal portion 5 has a hinge shaft 12 at the center, that is, a handle 14 formed at one side and connected to the center through the hinge shaft 12. A plurality of wire insertion grooves 17 having a portion 16, one blade portion of the forceps-shaped structure of the detection unit 14 forms a cutting blade 14a, and the other blade portion 14b is different in size from each other. Are formed to seat the wire 20 to be measured in the insertion groove 17, and the cutting blade 14a partially cuts the exposed sheath 22a of the wire 20 so that the core wire 22b of the wire is cut. It is configured to detect whether it is energized or disconnected by being electrically communicated with).

The ground terminal portion 5 is made of a conductor forming a × shape, adjacent to the hinge axis 12 in the center of the detecting portion 14 is formed on one side, the handle portion 16 is located on the other side The handle portion 16 is provided with a plurality of levers 26, the spring 28 to push them to each other is interposed to support the elastic to keep the tong-like structure at all times ×, part of the lever 26 Insulation cover 30 is inserted into each so that the operator's hand is electrically insulated from the ground terminal part 5.

In addition, one of the levers 26 is provided with the plurality of LEDs 10a, 10b, resistance elements 10c, and wires 7 inside the insulating cover 30, which is a cross-section of FIG. 2. As shown in FIG. 2, the wires 7, the plurality of LEDs 10a, 10b and the resistance elements 10c are positioned inside the insulation cover 30, and these are insulated tubes 33 fitted to the lever 26. The upper surface of the plurality of LEDs 10a and 10b is exposed to the outside through the through-hole 30a of the insulating cover 30 while being positioned on the lever 26 and insulated from the lever 26.

In addition, one end of the electric wire 7 is electrically connected to the lever 26 part of the inner cover 30 outside the insulating tube 33 by soldering connection 7a, and the other of the electric wire 7 is connected. The side passes through the other side of the insulating cover 30 and is connected to the tongs terminal portion (3). Therefore, the ground terminal portion 5 and the clip terminal portion 3 are electrically connected.

In addition, the ground terminal portion 5 has one blade portion constituting the detection unit 14 forms a cutting blade 14a, and the other blade portion 14b has a plurality of wire insertion grooves 17 having different sizes. They are formed so that these blade parts are close to each other by the folding operation of the lever 26 of the handle portion 16.

On the other hand, the cutting blade (14a) has an angle (θ) of approximately 15 to 30 degrees to form a blade 14a, the other blade portion 14b is a groove instead of the wire insertion grooves 17 It is possible to form a knurling surface of a flat uneven surface. That is, the upper surface is flattened, the surface may be uneven to form a concave-convex surface can be picked up in a non-slip state, the detection portion 14 is the lever 26 is picked up by the operator to the blade (14a) ) 14b are collected, each having a tapered structure in which the thickness becomes thinner from the central hinge axis 12 of the tong-shaped structure toward the tip of the detection unit 14.

According to the present invention configured as described above, the ground terminal part may be connected to a power source of a positive electrode or a negative electrode in contact with the tong terminal unit 3 on one side, and an electric component or a wire to be measured connected to the opposite polarity of the power source, i. When the electrical contact (5) is made, the operator detects whether the tongs terminal portion 3 and the grounding terminal portion 5 are connected to each other through the electrical component or wire 20 to be measured, so that the electrical component or It measures the power supply and disconnection.

In this case, if the part which is in contact with the ground terminal part 5 is the part through which electricity is removed, the front end of the detecting part 14 may be simply contacted, and if the wire having the coating 22a layer ( 20), it is electrically connected to the core wire 22b in the state of penetrating the coating 22a using the blade 14a of the detection unit 14. That is, as shown in Figure 2c), when the wire 20 to be measured in any one of the wire insertion groove 17 and the operator grasps the lever 26, the ground terminal portion 5 is a cutting blade ( 14a) reaches the core wire 22b of the wire to be measured while cutting the sheath 22a to make an electrical connection. Of course, in order to cut the sheath 22a of the wire in this way, the portion of the sheath 22a of the wire must be exposed from the wire insertion groove 17 in order to be cut.

Therefore, the present invention can make the electrical connection to the core wire 22b of the wire very easily in a state where the worker penetrates the exposed 22a of the wire 20 using a tong-like structure with one hand. This is particularly effective in a narrow space. In addition, when the operator loosens the lever 26 in the detected state, the blades of the detection unit 14 are separated from each other by the elastic restoring force of the spring 28, and the blade 14a is covered with the wire 22a of the wire. It will come out from, the sheath 22a is due to its elastic force to wrap the core wire 22b intact.

As described above, the present invention exhibits an optimum effect for the detection of the wiring 20 in a narrow space such as an automobile by having a structure in which the detecting portion 14 of the ground terminal portion 5 has a tapered tip.

On the other hand, Figure 3 and Figure 4 shows a modified embodiment of the present invention. This modified embodiment is equipped with the LEDs 10a, 10b and 10c in addition to the plurality of LEDs 10a, 10b and resistors 10c shown in relation to FIGS. 1 and 2. The second wires 40 in parallel to the wires 7, and the light emitting lamp 42 and the switch 43 are sequentially connected to the second wires 40. The structure is connected in parallel to the 10b and the resistor 10c.

In addition to the function of detecting electrical components and wires in the embodiments related to FIGS. 1 and 2, it may additionally detect a relay, a motor, or the like. In this modified embodiment, the power supply of the positive electrode or the negative electrode is brought into contact with the tong terminal unit 3, and the ground terminal unit 5 is electrically connected to the relay or the motor to be measured connected to the opposite polarity of the power source, that is, the negative or positive electrode. If the operator presses the switch 43 to electrically connect the second electric wire 40 and the relay or the motor is normal, power is supplied from the light emitting lamp 42 to emit light. If not, the light emission is not made.

In this structure, the tongs terminal portion 3 is a plurality of LEDs (10a), 10b, the light emitting lamp 42 and the switch 43 to the outside of the insulating cover 30 surrounding one lever 26 of the handle portion 16 ) Is exposed, and the inside thereof is disposed on the insulating tube 33 of the lever 26, and has the same arrangement structure as described with reference to FIG. 2A), and thus a detailed description thereof will be omitted. Shall be.

5 and 6 illustrate another modified embodiment of the present invention. This modified embodiment is equipped with a buzzer 45 to the wire 7 is mounted with a plurality of LED (10a) (10b) and the resistance element 10c among those shown in relation to Figures 3 and 4, Another second wire 40 is connected to the wire 7 in parallel, and the light emitting lamp 42 and the switch 43 are sequentially connected to the second wire 40 so that the plurality of LEDs 10a are connected. The structure 10b is connected to the resistance element 10c and the buzzer 45 in parallel.

This makes it possible to detect whether the component is disconnected audibly through the buzzer 45 among the functions of detecting the electric component and the electric wire in the embodiment related to FIGS. 1 and 2.

Since the functions of the other components are as described above, a more detailed description thereof will be omitted.

According to the present invention as described above, the operator using the tapered tongs structure of the tapered tape tapered end is easy to cut the sheath 22a of the wiring 20 with one hand in a narrow space core core (22b) By making it possible to detect the energized state very simply without damaging, it is possible to obtain the effect of greatly improving the convenience of use.

In addition, the operator can use the forceps-type structure, which is useful for quick detection work without the safety risks such as the hand pinching and being injured by the terminal pin during the detection of the energized state of the thin wire 20. Effect is obtained.

Claims (7)

A clamp terminal part 3 is formed at one side, and a ground terminal part 5 is formed at the other side, and is electrically connected between the clamp terminal part 3 and the ground terminal part 5 through an electric wire 7. 7) a plurality of LEDs (10a) (10b) in series connected in order to measure whether the electric current or disconnection of electrical components or wires between the clamp terminal portion 3 and the ground terminal portion (5) to display them to the outside In the apparatus, The ground terminal part 5 is provided with a clamp-type structure by forming a detection part 14 at one side and having a handle part 16 at the other side connected through a hinge shaft 12 at the center thereof, and having one side of the detection part 14. The blade portion forms a cutting blade 14a, and the other blade portion 14b forms a plurality of wire insertion grooves 17 different in size from each other to operate the blade portion 14a and 14b. The cutting blade 14a cuts the exposed sheath 22a of the wire 20 positioned in the wire insertion groove 17 by cutting the wire about the hinge shaft 12. Clamp-type wiring tester, characterized in that it is electrically connected to the core wire (22b) of the power supply and configured to detect whether or not it is disconnected. The method of claim 1, wherein the handle portion 16 is provided with a plurality of levers 26, the spring 28 to push them to each other is interposed to support the elastic to keep the tong-like structure at all times ×, Each of the levers 26 has an insulation cover 30 fitted therein so that a worker's hand is electrically insulated from the ground terminal part 5. According to claim 2, One side of the lever 26 is mounted to the plurality of LED (10a) (10b), the resistance element (10c) and the wire (7) inside the insulating cover 30, the insulating cover Inside the 30 is a wire 7, a plurality of LEDs 10a, 10b and a resistance element 10c, which are located on an insulated tube 33 fitted to the lever 26 and placed on the lever 26. While forming an insulating relationship with the plurality of LEDs 10a and 10b, the upper surface of the plurality of LEDs is exposed to the outside through the through hole 30a of the insulating cover 30, and the insulating cover 30 is out of the insulating tube 33. One end of the electric wire 7 is electrically connected to the lever 26 portion of the inner side by soldering connection 7a, and the other side of the electric wire 7 passes through the other side of the insulating cover 30 so as to be connected to the clip terminal part. (3) is connected to the ground terminal portion (5) and the clip terminal part, characterized in that the tongs terminal portion (3) is electrically connected. 2. The detection unit (14) according to claim 1, wherein the detection unit (14) is formed in such a state that the other blade portion (14b) forms a flat uneven surface of the uneven surface instead of the wire insertion grooves (17) so that the wire does not slip. Tongs type wiring tester, characterized in that configured to be picked up. 5. The tongs-type wiring according to any one of claims 1 to 4, wherein the detection unit 14 has a tapered structure in which the thickness thereof becomes thinner from the central hinge shaft 12 toward its distal end. Tester. The tweezer terminal part 3 and the ground terminal part 5 connect another second electric wire 40 in parallel with the electric wire 7, and the light emitting lamp is connected to the second electric wire 40. 42) tongs-type wiring tester, characterized in that the connection is sequentially connected to the plurality of LEDs (10a) (10b) and the resistance element (10c) by connecting in sequence. The tongs type wiring tester according to claim 6, wherein a buzzer (45) is additionally connected to the wire (7).