CN204989379U - Net twine survey line ware with pilot lamp - Google Patents

Abstract

A network cable tester with an indicator light relates to the field of network cable testers. The utility model aims to solve the problem that the existing line measuring device cannot test the network cable without a crystal head. The network cable tester with indicator light described in the utility model can detect the network cables with crystal heads at both ends, the network cables with crystal heads at one end and the network cables without crystal heads at both ends. When the wire tester is connected to the network cable, the indicator light, battery and network cable can form a series loop. If there is no disconnection inside the network cable or the crystal head is in good contact, the indicator light will be on, otherwise the indicator light will be off. The utility model is small in volume, simple in structure, easy to carry, easy to operate, and is suitable for detection of any network cable.

Description

Network cable tester with indicator light

technical field

The utility model belongs to the field of network cable measuring devices.

Background technique

In the work of the power industry, the network cable needs to be used frequently, and the cable tester is an indispensable testing tool. In practical applications, insert the network cable with crystal heads installed at both ends into the corresponding jack of the cable tester The purpose of testing can be achieved. But in many cases, there is no need to install a crystal head, and there is no way to test these lines.

Utility model content

The utility model aims to solve the problem that the existing line tester cannot test the network cable without a crystal head, and now provides a network line tester with an indicator light.

A network cable tester with indicator light, which includes: indicator light 1, battery 2, No. 1 terminal 3, No. 2 terminal 4, No. 3 terminal 5 and two crystal sockets 6;

The No. 1 terminal 3, the No. 2 terminal 4 and the No. 3 terminal 5 all include n terminals, and the n terminals are arranged in sequence, where n=4, 6 or 8;

The k _nth connecting terminal in the first terminal 3 is connected to the kn ₊ 1 connecting terminal, wherein: kn ₌₄ =2, kn ₌₆ =2, 4, kn ₌₈ =2, 4, 6; the k _nth connecting terminal in the second connecting terminal 4 is connected to the kn ₊ 1 connecting terminal, wherein: kn ₌₄ =1, 3, kn ₌₆ =1, 3, 5, kn _{= 8} = 1, 3, 5, 7; No. 1 terminal 3 and No. 2 terminal 4 are connected through the network cable to be tested;

The negative pole of indicator light 1 is connected to the negative pole of battery 2, the positive pole of indicator light 1, a crystal plug socket 6, and the first terminal of terminal 3 of No. 1 are connected to the n terminals of terminal 5 of No. , Another crystal plug socket 6 is connected to the nth terminal of the first terminal 3.

The above-mentioned network cable tester with an indicator light also includes: a housing 7;

The indicator light 1, the battery 2, the No. 1 terminal 3, the No. 2 terminal 4, the No. 3 terminal 5 and the two crystal plug sockets 6 are all located inside the shell 7,

There are three terminal holes, two crystal head holes and an indicator light hole on the shell 7, the first terminal 3, the second terminal 4 and the third terminal 5 are respectively embedded in the three terminal holes. The two crystal head sockets 6 are respectively embedded in the two crystal head holes, and the indicator light 1 is embedded in the indicator hole.

The network cable tester with indicator light described in the utility model can detect the network cables with crystal heads at both ends, the network cables with crystal heads at one end and the network cables without crystal heads at both ends. The wire tester can form a series loop when it is connected to the network cable. If there is no disconnection inside the network cable or the crystal head is in good contact, the indicator light will be on, otherwise the indicator light will be off. The utility model is small in volume, simple in structure, easy to carry, easy to operate, and is suitable for detection of any network cable.

Description of drawings

Figure 1 is a circuit diagram of a network cable tester with an indicator light;

Figure 2 is a schematic diagram of the mechanical structure of a network cable tester with an indicator light;

Fig. 3 is the wiring diagram of the network cable tester with indicator light described in specific embodiment three;

Fig. 4 is a wiring diagram of the network cable tester with indicator lights described in the fourth embodiment.

detailed description

Specific Embodiment 1: Referring to Fig. 1, this embodiment will be described in detail. The network cable tester with indicator light described in this embodiment includes: indicator light 1, battery 2, No. 1 terminal 3, and No. 2 terminal 4. No. 3 terminal 5 and two crystal sockets 6;

The No. 1 terminal 3, the No. 2 terminal 4 and the No. 3 terminal 5 all include n terminals, and the n terminals are arranged in sequence, where n=4, 6 or 8;

The k _nth connecting terminal in the first terminal 3 is connected to the kn ₊ 1 connecting terminal, wherein: kn ₌₄ =2, kn ₌₆ =2, 4, kn ₌₈ =2, 4, 6; the k _nth connecting terminal in the second connecting terminal 4 is connected to the kn ₊ 1 connecting terminal, wherein: kn ₌₄ =1, 3, kn ₌₆ =1, 3, 5, kn _{= 8} = 1, 3, 5, 7; No. 1 terminal 3 and No. 2 terminal 4 are connected through the network cable to be tested;

The negative pole of indicator light 1 is connected to the negative pole of battery 2, the positive pole of indicator light 1, a crystal plug socket 6, and the first terminal of terminal 3 of No. 1 are connected to the n terminals of terminal 5 of No. , Another crystal plug socket 6 is connected to the nth terminal of the first terminal 3.

The network cable tester with indicator lights in this embodiment can detect network cables with crystal plugs at both ends, network cables with crystal plugs at one end and network cables without crystal plugs at both ends. The wire tester can form a series loop when it is connected to the network cable. If there is no disconnection inside the network cable or the crystal head is in good contact, the indicator light will be on, otherwise the indicator light will be off. The utility model has the advantages of small volume, portability and simple operation, and is applicable to the detection of any network cable.

Specific embodiment 2: This embodiment is specifically described with reference to FIG. 2 . This embodiment is a further description of the network cable tester with an indicator light described in the specific embodiment 1. In this embodiment, it also includes: a housing 7 ;

The indicator light 1, the battery 2, the No. 1 terminal 3, the No. 2 terminal 4, the No. 3 terminal 5 and the two crystal plug sockets 6 are all located inside the shell 7,

There are three terminal holes, two crystal head holes and an indicator light hole on the shell 7, the first terminal 3, the second terminal 4 and the third terminal 5 are respectively embedded in the three terminal holes. The two crystal head sockets 6 are respectively embedded in the two crystal head holes, and the indicator light 1 is embedded in the indicator hole.

In actual application, the corresponding labels are marked on the terminal holes corresponding to the No.1 terminal 3, the No. The crystal plug socket connected to the positive pole of the battery is marked as the positive crystal plug socket, and the crystal plug socket connected to the negative pole of the battery through the indicator light is marked as the negative crystal plug socket; this is convenient for wiring during use, and the wiring method is shown in the following examples:

Specific embodiment 1: When there are crystal plugs at both ends of the network cable to be tested, directly insert the two crystal plugs of the network cable into the two crystal plug sockets 6 respectively. In the series structure, the indicator light is on to prove that the series structure is intact, that is, there is no fault, otherwise the network cable is faulty.

Specific embodiment two: when only one end of the network cable to be tested has a crystal head, insert the end with the crystal head into the positive crystal head socket, and connect the n wire ends of the network cable without the crystal head end to the n terminals of No. 3 terminal 5 respectively , the indicator light is on to prove that the series structure is intact, that is, there is no fault, otherwise the network cable is faulty.

Specific embodiment three: when there is no crystal head at both ends of the network cable to be tested, the n wire ends at the two ends of the network cable are respectively connected to the n terminals of No. 1 terminal 3 and No. 2 terminal 4, and make the No. 1 terminal The wiring sequence of the 3n terminals is opposite to that of the 4n terminals of the second terminal, as shown in Figure 3. At this time, the indicator light is on to prove that the series structure is intact, that is, there is no fault, otherwise the network cable is faulty.

Specific embodiment four: when there is no crystal head at both ends of the network cable to be tested, the n wire ends at the two ends of the network cable are respectively connected to the n terminals of the first terminal 3 and the second terminal 4, and the first terminal The wiring sequence of the 3n terminals is the same as that of the 4n terminals of the second terminal, as shown in Figure 4. At this time, the indicator light is on to prove that the series structure is intact, that is, there is no fault, otherwise the network cable is faulty.

Claims (2)

1. with the netting twine electric wire test device of pilot lamp, it is characterized in that, it comprises: pilot lamp (1), battery (2), a terminals (3), No. two terminals (4), No. three terminals (5) and two crystal head sockets (6);

Terminals (3), No. two terminals (4) and No. three terminals (5) include n connection terminal, and this n connection terminal is arranged in order in order, wherein n=4,6 or 8;

Kth in a terminals (3) _nindividual connection terminal and kth _n+ 1 connection terminal is connected, wherein: k _n=4=2, k _n=6=2,4, k _n=8=2,4,6; Kth in No. two terminals (4) _nindividual connection terminal and kth _n+ 1 connection terminal is connected, wherein: k _n=4=1,3, k _n=6=1,3,5, k _n=8=1,3,5,7; A terminals (3) is connected by netting twine to be tested with No. two terminals (4);

Pilot lamp (1) negative pole is connected with battery (2) negative pole, 1st connection terminal of pilot lamp (1) positive pole, a crystal head socket (6), a terminals (3) is connected and is connected with n connection terminal of No. three terminals (5) simultaneously, and battery (2) positive pole, another crystal head socket (6) are connected with the n-th connection terminal of a terminals (3).

2. the netting twine electric wire test device with pilot lamp according to claim 1, it is characterized in that, it also comprises: shell (7);

Pilot lamp (1), battery (2), a terminals (3), No. two terminals (4), No. three terminals (5) and two crystal head sockets (6) are all positioned at shell (7) inside

Shell (7) has three terminal openings, two crystal head bore and an indicator lamp hole, a terminals (3), No. two terminals (4) and No. three terminals (5) are mounted in three terminal openings respectively, two crystal head sockets (6) are mounted in two crystal head bore respectively, and pilot lamp (1) is mounted in indicator lamp hole.