CN204694798U - A kind of netting twine on off test device - Google Patents

Abstract

The utility model relates to a network cable on-off test device, which comprises a first network cable interface, a second network cable interface, and a hand-held terminal. There are two hand-held terminals, respectively connected to the first network cable interface and the second network cable interface. There are a plurality of pins respectively connected to one end of each core wire of the network cable to be tested. After each of the plurality of pins is connected in series with a button switch, it is connected to the DC power supply of the handheld terminal. The second network interface is provided with a plurality of The pins connected to the other end of each core wire of the network cable to be tested respectively, the plurality of pins are respectively connected to the input end of the microprocessor module, and the output end of the microprocessor module is connected to the input end of the short message sending module; The SMS receiving module is connected wirelessly. The utility model is easy to use, and can quickly detect the on-off state of the long-distance network cable, especially for the one-by-one inspection and detection of each core wire on the network cable to be tested, and avoids wrong insertion and wrong detection in the state of a long network cable span.

Description

A network cable on-off testing device

technical field

The utility model belongs to the field of electric power monitoring equipment, in particular to a network cable on-off testing device.

Background technique

The operation of the traditional network cable continuity tester is relatively complicated, and in many cases the network cables are laid long, and may be laid across rooms or floors. If there is a line fault, it is difficult to detect. Its main manifestations are: it can only reflect the overall failure of the network cable, but it is difficult to troubleshoot which core of the network cable is faulty. If you check the cores one by one, it is very easy to have wrong insertion and wrong detection when the network cable span is long. .

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art and provide an on-off testing device for network cables which is easy to use and suitable for long-distance use.

The utility model solves its technical problem and realizes by taking the following technical solutions:

A network cable on-off testing device, comprising a first network cable interface, a second network cable interface, and a handheld terminal, two handheld terminals are respectively connected to the first network cable interface and the second network cable interface, and the handheld terminal is connected to the first network cable interface Built-in DC power supply and short message receiving module, DC power supply is used for power supply of short message receiving module, and the handheld terminal connected with the second network cable interface has built-in DC power supply, microprocessor module and short message sending module, DC power supply is used for short message sending module and micro For the power supply of the processor module, a plurality of pins are respectively connected to one end of each core wire of the network cable to be tested in the first network cable interface. On the second network interface, a plurality of pins are respectively connected to the other end of each core wire of the network cable to be tested, and the plurality of pins are respectively connected to the input end of the microprocessor module, and the output end of the microprocessor module is connected to The input terminal of the short message sending module; the short message sending module is wirelessly connected with the short message receiving module.

Moreover, both the first network cable interface and the second network cable interface are RJ45 sockets.

Moreover, a transcoder is built in the microprocessor module, which is used to receive the level signal sent from the pins, transcode it and send it to the microprocessor.

Advantage and positive effect of the present utility model are:

The utility model is easy to use, and can quickly detect the on-off state of the long-distance network cable, especially for the one-by-one inspection and detection of each core wire on the network cable to be tested, and avoids wrong insertion and wrong detection in the state of a long network cable span.

Description of drawings

Fig. 1 is the block diagram of circuit principle of the utility model.

Detailed ways

The utility model will be further described in detail below in conjunction with the accompanying drawings and through specific embodiments. The following embodiments are only descriptive, not restrictive, and cannot limit the protection scope of the utility model.

A network cable on-off testing device, comprising a first network cable interface, a second network cable interface, and a handheld terminal, two handheld terminals are respectively connected to the first network cable interface and the second network cable interface, and the handheld terminal is connected to the first network cable interface Built-in DC power supply and short message receiving module, DC power supply is used for power supply of short message receiving module, and the handheld terminal connected with the second network cable interface has built-in DC power supply, microprocessor module and short message sending module, DC power supply is used for short message sending module and micro For the power supply of the processor module, a plurality of pins are respectively connected to one end of each core wire of the network cable to be tested in the first network cable interface. On the second network interface, a plurality of pins are respectively connected to the other end of each core wire of the network cable to be tested, and the plurality of pins are respectively connected to the input end of the microprocessor module, and the microprocessor module has a built-in The transcoder is used to receive the level signal sent by the pin and send it to the microprocessor after transcoding. The output terminal of the microprocessor module is connected to the input terminal of the SMS sending module; the SMS sending module and the SMS receiving module The module connects wirelessly.

Instructions for use: Insert the RJ45 plugs at both ends of the network cable to be tested into the first network cable interface and the second network cable interface, both of which are RJ45 sockets. The DC power supply can use the battery of the handheld terminal at the first network cable interface. The button switch on the first pin of the network cable interface, if the core wire connected to the first pin of the network cable to be tested is not faulty, the first pin of the second network interface will send a high level to the microprocessor module signal, the microprocessor module controls the handheld terminal at the second network cable interface end to send a confirmation message that the core wire has no disconnection fault to the handheld terminal at the first network cable interface end; The first pin of the second network interface connected at one end remains at a low level, and the microprocessor module can also control the handheld terminal at the second network cable interface to send a message indicating that the core wire has a disconnection fault to the handheld terminal at the first network cable interface. Short message. In the same way, it can detect whether there is a disconnection fault in other core wires of the network cable to be tested.

Although the embodiments and drawings of the utility model are disclosed for the purpose of illustration, those skilled in the art can understand that various replacements, changes and modifications can be made without departing from the spirit and scope of the utility model and the appended claims. It is possible, therefore, the scope of the present invention is not limited to the contents disclosed in the embodiments and drawings.

Claims (3)

1. A network cable on-off testing device, characterized in that: it includes a first network cable interface, a second network cable interface, and a handheld terminal, and there are two handheld terminals, which are respectively connected to the first network cable interface and the second network cable interface, and connected to the first network cable interface. The handheld terminal connected to the network cable interface has a built-in DC power supply and a short message receiving module. The DC power supply is used to supply power to the short message receiving module. For the power supply of the short message sending module and the microprocessor module, a plurality of pins are respectively connected to one end of each core wire of the network cable to be tested in the first network cable interface. After the plurality of pins are respectively connected in series with a button switch, the On the DC power supply of the handheld terminal, the second network interface is provided with a plurality of pins connected to the other end of each core wire of the network cable to be tested, and the plurality of pins are respectively connected to the input end of the microprocessor module, and the microprocessor The output terminal of the device module is connected to the input terminal of the short message sending module; the short message sending module is wirelessly connected with the short message receiving module. 2. The network cable on-off testing device according to claim 1, characterized in that: both the first network cable interface and the second network cable interface are RJ45 sockets. 3. The network cable continuity test device according to claim 1, characterized in that: a transcoder is built in the microprocessor module, which is used to receive the level signal sent by the pin and transcode it sent to the microprocessor.