Testing device for multi-core network cable

Abstract

The utility model relates to a testing device for a multi-core network cable, which comprises an adapter plate and an adapter device, and the adapter device comprises a network cable adapter and an RJ45 adapter wire. The adapter plate is connected with a D-type head of a tested network cable, a first end of the network cable adapter is connected with an RJ45 crystal head of the tested network cable, a second end of the network cable adapter is connected with a connecting terminal of an RJ45 adapter wire, and the other end of the RJ45 adapter wire is a measuring terminal; the adapter plate is used for carrying out adapter on the network cable at the D-shaped head end of the tested network cable so as to short-circuit the network cable at the D-shaped head end of the tested network cable, and the adapter plate is also used for measuring by the measuring device; the network cable converter is used for carrying out short circuit on a network cable at the RJ45 crystal head end of the tested network cable and communicating the tested network cable with the RJ45 patch cord; and the measuring terminal of the RJ45 patch cord is used for measuring the resistance of the measured network cable by a measuring device. According to the utility model, the universal meter is connected with the adapter plate and / or the measurement terminal of the RJ45 patch cord, so that the network cable can be measured, the connection is simple and convenient, the measurement can be executed by a single person, and the test efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of network test, more specifically, relate to a kind of testing device of multi-core network cable. BACKGROUND

[0002] Micro-D converts RJ45 six categories 4 pairs of shielded twisted pair, simply called Micro-D network cable. One end is connected with switch through micro 9P-D type head, and the other end is connected with control station, communication station, gateway, OPS and other equipment through standard RJ45 crystal head. Network cable anomaly leads to network failure for on-site common failure mode, and it is found through verification that resistance measurement method can more accurately determine whether the on-site network cable is abnormal. This method is simple and intuitive, and the resistance size and fluctuation can be used to determine whether the network cable is normal. But there are still some shortcomings in field application, and the shortcomings are as follows:

[0003] Because the contact point between RJ45 crystal head and Micro-D type head is narrow, it is difficult to connect directly with a pen, so more than two people are needed to operate at each end. Each network cable has 8 cores, and each measurement needs to be measured core by core, so it needs to be measured for 8 times, which causes inconvenience in measurement and time and effort. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problems in the prior art, and provides a testing device for multi-core network cable.

[0005] The utility model solves the technical problems by adopting the following technical scheme: a testing device for multi-core network cable is constructed, which comprises: an adapter plate and an adapter device, the adapter device comprises: a network cable adapter and an RJ45 adapter cable;

[0006] The adapter plate is connected with the D type head of the measured network cable, the first end of the network cable adapter is connected with the RJ45 crystal head of the measured network cable, the second end of the network cable adapter is connected with the connection terminal of the RJ45 adapter cable, and the other end of the RJ45 adapter cable is connected with the measurement terminal;

[0007] The adapter plate is used for adapting the network cable at the D type head end of the measured network cable to short-circuit the network cable at the D type head end of the measured network cable, and the adapter plate is also used for measuring the resistance of the measured network cable by the measuring device;

[0008] The network cable adapter is used for short-circuiting the network cable at the RJ45 crystal head end of the measured network cable and connecting the measured network cable with the RJ45 adapter cable;

[0009] The measurement terminal of the RJ45 adapter cable is used for measuring the resistance of the measured network cable by the measuring device.

[0010] The adapter plate includes a connecting end and a measuring end.

[0011] The connecting end of the adapter plate is connected with the D-shaped head of the measured network cable, and the measuring end of the adapter plate is used for resistance measurement by the measuring device.

[0012] The connecting end of the adapter plate includes a D-shaped head interface, and the D-shaped head interface is connected with the D-shaped head of the measured network cable.

[0013] The measuring end of the adapter plate includes a first measuring end, a second measuring end, a third measuring end, a fourth measuring end and a fifth measuring end.

[0014] The first measuring end, the second measuring end, the third measuring end, the fourth measuring end and the fifth measuring end are used for connecting the measuring electrodes of the measuring device to measure the resistance of the measured network cable.

[0015] The measured network cable includes a first wire core, a second wire core, a third wire core, a fourth wire core, a fifth wire core, a sixth wire core, a seventh wire core and an eighth wire core.

[0016] The adapter plate is used for connecting the second wire core and the third wire core, the fourth wire core and the fifth wire core, and the sixth wire core and the seventh wire core of the D-shaped head end of the measured network cable.

[0017] The first measuring end is connected with the first wire core, the second measuring end is connected with the connecting end of the second wire core and the third wire core, the third measuring end is connected with the connecting end of the fourth wire core and the fifth wire core, the fourth measuring end is connected with the connecting end of the sixth wire core and the seventh wire core, and the fifth measuring end is connected with the eighth wire core.

[0018] The adapter plate is a Micro-D-shaped head circuit board.

[0019] The first end of the network cable adapter includes a first connecting end, a second connecting end, a third connecting end, a fourth connecting end, a fifth connecting end, a sixth connecting end, a seventh connecting end and an eighth connecting end.

[0020] The second end of the network cable adapter includes a first output end, a second output end, a third output end, a fourth output end, a fifth output end, a sixth output end, a seventh output end and an eighth output end.

[0021] The first connecting end connects the first wire core of the measured network cable through the RJ45 crystal head, the second connecting end connects the second wire core of the measured network cable through the RJ45 crystal head, the third connecting end connects the third wire core of the measured network cable through the RJ45 crystal head, the fourth connecting end connects the fourth wire core of the measured network cable through the RJ45 crystal head, the fifth connecting end connects the fifth wire core of the measured network cable through the RJ45 crystal head, the sixth connecting end connects the sixth wire core of the measured network cable through the RJ45 crystal head, the seventh connecting end connects the seventh wire core of the measured network cable through the RJ45 crystal head, and the eighth connecting end connects the eighth wire core of the measured network cable through the RJ45 crystal head.

[0022] The first output end is connected with the first connecting terminal of the RJ45 adapter cable, the second output end is connected with the second connecting terminal of the RJ45 adapter cable, the third output end is connected with the third connecting terminal of the RJ45 adapter cable, the fourth output end is connected with the fourth connecting terminal of the RJ45 adapter cable, the fifth output end is connected with the fifth connecting terminal of the RJ45 adapter cable, the sixth output end is connected with the sixth connecting terminal of the RJ45 adapter cable, the seventh output end is connected with the seventh connecting terminal of the RJ45 adapter cable, and the eighth output end is connected with the eighth connecting terminal of the RJ45 adapter cable.

[0023] In the multi-core network cable testing device, the RJ45 adapter cable is used for connecting the first wire core and the second wire core, the third wire core and the fourth wire core, the fifth wire core and the sixth wire core, and the seventh wire core and the eighth wire core of the crystal head end of the measured network cable in pairs.

[0024] In the multi-core network cable testing device, the measuring terminals of the RJ45 adapter cable include a first measuring terminal, a second measuring terminal, a third measuring terminal and a fourth measuring terminal.

[0025] The first measuring terminal, the second measuring terminal, the third measuring terminal and the fourth measuring terminal are used for the tester to connect the measuring electrodes of the measuring device to measure the resistance of the measured network cable.

[0026] In the multi-core network cable testing device, the first measuring terminal is connected with the connecting end of the first wire core and the second wire core, the second measuring terminal is connected with the connecting end of the third wire core and the fourth wire core, the third measuring terminal is connected with the connecting end of the fifth wire core and the sixth wire core, and the fourth measuring terminal is connected with the connecting end of the seventh wire core and the eighth wire core.

[0027] The connecting terminal of the RJ45 adapter wire is a crystal head terminal.

[0028] The multi-core network cable testing device has the following beneficial effects: the adapter board and the adapter device, the adapter device includes a network cable adapter and an RJ45 adapter wire; the adapter board is connected with the D-shaped head of the measured network cable, the first end of the network cable adapter is connected with the RJ45 crystal head of the measured network cable, the second end of the network cable adapter is connected with the connecting terminal of the RJ45 adapter wire, and the other end of the RJ45 adapter wire is a measuring terminal; the adapter board adapts the network cable at the D-shaped head end of the measured network cable to short the network cable at the D-shaped head end of the measured network cable, and the adapter board also provides the measuring device to measure the resistance of the measured network cable; the network cable adapter short-circuits the network cable at the RJ45 crystal head end of the measured network cable, and the network cable adapter communicates the measured network cable with the RJ45 adapter wire; the measuring terminal of the RJ45 adapter wire provides the measuring device to measure the resistance of the measured network cable. The multi-core network cable testing device can be directly connected with the adapter board and / or the measuring terminal of the RJ45 adapter wire by using a multimeter, the network cable can be measured, the connection is simple and convenient, one person can perform the measurement, and the testing efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0029] The utility model will be further described below by combining with the drawings and examples, and the drawings are as follows:

[0030] Figure 1 It is the principle block diagram of the multi-core network cable testing device provided by the utility model;

[0031] Figure 2 It is the front view of the adapter board provided by the utility model;

[0032] Figure 3 It is the circuit wiring diagram of the multi-core network cable testing device provided by the utility model. DETAILED DESCRIPTION

[0033] The technical schemes in the embodiments of the utility model will be clearly and completely described below by combining with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0034] Reference Figure 1 , Figure 1 It is the principle block diagram of the multi-core network cable testing device provided by the utility model.

[0035] Specifically, as Figure 1As shown, the test device of the multi-core network cable comprises an adapter plate and an adapter device, the adapter device comprising a network cable adapter and an RJ45 adapter cable.

[0036] The adapter plate is connected with the D-type head of the network cable to be tested, the first end of the network cable adapter is connected with the RJ45 crystal head of the network cable to be tested, the second end of the network cable adapter is connected with the connection terminal of the RJ45 adapter cable, and the other end of the RJ45 adapter cable is connected with the measurement terminal.

[0037] Specifically, the adapter plate is used for adapting the network cable at the D-type head end of the network cable to be tested, so as to short the network cable at the D-type head end of the network cable to be tested, and the adapter plate is also used for allowing the measurement device to measure the resistance of the network cable to be tested; the network cable adapter is used for shorting the network cable at the RJ45 crystal head end of the network cable to be tested, and connecting the network cable to be tested with the RJ45 adapter cable; and the measurement terminal of the RJ45 adapter cable is used for allowing the measurement device to measure the resistance of the network cable to be tested.

[0038] In some embodiments, the adapter plate comprises a connection end and a measurement end; the connection end of the adapter plate is connected with the D-type head of the network cable to be tested, and the measurement end of the adapter plate is used for resistance measurement by the measurement device.

[0039] The connection end of the adapter plate comprises a D-type head interface, and the D-type head interface is connected with the D-type head of the network cable to be tested; the measurement end of the adapter plate comprises a first measurement end, a second measurement end, a third measurement end, a fourth measurement end and a fifth measurement end; the first measurement end, the second measurement end, the third measurement end, the fourth measurement end and the fifth measurement end are used for connecting the measurement electrodes of the measurement device, so as to measure the resistance of the network cable to be tested.

[0040] In the embodiment of the utility model, the network cable to be tested comprises a first wire core, a second wire core, a third wire core, a fourth wire core, a fifth wire core, a sixth wire core, a seventh wire core and an eighth wire core.

[0041] The adapter plate is used for connecting the second wire core and the third wire core, the fourth wire core and the fifth wire core, and the sixth wire core and the seventh wire core at the D-type head end of the network cable to be tested in pairs; the first measurement end is connected with the first wire core, the second measurement end is connected with the connection end of the second wire core and the third wire core, the third measurement end is connected with the connection end of the fourth wire core and the fifth wire core, the fourth measurement end is connected with the connection end of the sixth wire core and the seventh wire core, and the fifth measurement end is connected with the eighth wire core.

[0042] Optionally, in the embodiment of the utility model, the adapter plate is a Micro-D type head circuit board (YJNP). Its front view is as shown in Figure 2 , Figure 2In the middle: the terminal marked with "1" is the first measuring end, the terminal marked with "2 / 3" is the second measuring end, the terminal marked with "4 / 5" is the third measuring end, the terminal marked with "6 / 7" is the fourth measuring end, and the terminal marked with "8" is the fifth measuring end.

[0043] The first end of the network cable adapter includes a first connecting end, a second connecting end, a third connecting end, a fourth connecting end, a fifth connecting end, a sixth connecting end, a seventh connecting end, and an eighth connecting end.

[0044] The second end of the network cable adapter includes a first output end, a second output end, a third output end, a fourth output end, a fifth output end, a sixth output end, a seventh output end, and an eighth output end.

[0045] The first connecting end is connected to the first core of the measured network cable through an RJ45 crystal head, the second connecting end is connected to the second core of the measured network cable through an RJ45 crystal head, the third connecting end is connected to the third core of the measured network cable through an RJ45 crystal head, the fourth connecting end is connected to the fourth core of the measured network cable through an RJ45 crystal head, the fifth connecting end is connected to the fifth core of the measured network cable through an RJ45 crystal head, the sixth connecting end is connected to the sixth core of the measured network cable through an RJ45 crystal head, the seventh connecting end is connected to the seventh core of the measured network cable through an RJ45 crystal head, and the eighth connecting end is connected to the eighth core of the measured network cable through an RJ45 crystal head.

[0046] The first output end is connected to the first connecting terminal of the RJ45 adapter cable, the second output end is connected to the second connecting terminal of the RJ45 adapter cable, the third output end is connected to the third connecting terminal of the RJ45 adapter cable, the fourth output end is connected to the fourth connecting terminal of the RJ45 adapter cable, the fifth output end is connected to the fifth connecting terminal of the RJ45 adapter cable, the sixth output end is connected to the sixth connecting terminal of the RJ45 adapter cable, the seventh output end is connected to the seventh connecting terminal of the RJ45 adapter cable, and the eighth output end is connected to the eighth connecting terminal of the RJ45 adapter cable.

[0047] In the embodiment of the utility model, the RJ45 adapter cable is used to connect the first core and the second core, the third core and the fourth core, the fifth core and the sixth core, and the seventh core and the eighth core of the crystal head end of the measured network cable two by two.

[0048] In some embodiments, the measuring terminals of the RJ45 adapter include: a first measuring terminal, a second measuring terminal, a third measuring terminal, and a fourth measuring terminal; the first measuring terminal, the second measuring terminal, the third measuring terminal, and the fourth measuring terminal are used for a tester to access the measuring electrodes of a measuring device to measure the resistance of the network cable under test. The first measuring terminal is connected to the connection end of the first and second cores, the second measuring terminal is connected to the connection end of the third and fourth cores, the third measuring terminal is connected to the connection end of the fifth and sixth cores, and the fourth measuring terminal is connected to the connection end of the seventh and eighth cores.

[0049] Optionally, the connection terminal of the RJ45 adapter is a crystal terminal.

[0050] As shown in Figure 3 , by cooperating the network cable converter with the RJ45 adapter, the 1 / 2, 3 / 4, 5 / 6, and 7 / 8 cores of the crystal end of the network cable under test can be connected two by two, i.e., the first core (first core) and the second core (second core) of the crystal end of the network cable under test are short-circuited, the third core (third core) and the fourth core (fourth core) of the crystal end of the network cable under test are short-circuited, the fifth core (fifth core) and the sixth core (sixth core) of the crystal end of the network cable under test are short-circuited, and the seventh core (seventh core) and the eighth core (eighth core) of the crystal end of the network cable under test are short-circuited. After switching by the adapter plate, the 2 / 3, 4 / 5, and 6 / 7 cores of the D-shaped end of the network cable under test are connected two by two, i.e., the second core and the third core of the D-shaped end of the network cable under test are short-circuited, the fourth core and the fifth core of the D-shaped end of the network cable under test are short-circuited, and the sixth core and the seventh core of the D-shaped end of the network cable under test are short-circuited.

[0051] The adapter plate end does not have a lead-out terminal, and the resistance of the network cable under test can be directly measured by the first measuring terminal, the second measuring terminal, the third measuring terminal, the fourth measuring terminal, and the fifth measuring terminal on the adapter plate. The measuring terminals of the RJ45 adapter can directly measure the resistance of the network cable under test through the lead-out terminal (a total of 1 / 2, 3 / 4, 5 / 6, and 7 / 8, i.e., four measuring terminals of the RJ45 adapter).

[0052] Specifically, as shown in Figure 3 , since the eight cores of the network cable under test are connected in series, only the two measuring electrodes (positive and negative) of the multimeter need to be connected to the first measuring terminal (the terminal marked "1") on the adapter plate and the fourth measuring terminal (the terminal marked "8") on the adapter plate, respectively, to directly measure the total resistance of the eight cores of the network cable under test. If there is an abnormality in a certain core, the total resistance will also be abnormal. Similarly, as shown in Figure 3As shown, by connecting the two measuring electrodes of the multimeter to the "1" terminal and the "2 / 3" terminal on the adapter plate respectively, the sum of the resistances of the wire cores 1 and 2 of the measured network cable can be directly measured; by connecting the two measuring electrodes of the multimeter to the "1" terminal and the "4 / 5" terminal on the adapter plate respectively, the sum of the resistances of the wire cores 1, 2, 3, 4 and 5 of the measured network cable can be directly measured; by connecting the two measuring electrodes of the multimeter to the "1" terminal and the "6 / 7" terminal on the adapter plate respectively, the sum of the resistances of the wire cores 1, 2, 3, 4, 5, 6 and 7 of the measured network cable can be directly measured.

[0053] As shown in the drawings, Figure 3 As shown, by connecting the two measuring electrodes of the multimeter to the "1" terminal and the "2 / 3" terminal on the adapter plate respectively, the sum of the resistances of the wire cores 1 and 2 of the measured network cable can be directly measured; by connecting the two measuring electrodes of the multimeter to the "1" terminal and the "4 / 5" terminal on the adapter plate respectively, the sum of the resistances of the wire cores 1, 2, 3, 4 and 5 of the measured network cable can be directly measured; by connecting the two measuring electrodes of the multimeter to the "1" terminal and the "6 / 7" terminal on the adapter plate respectively, the sum of the resistances of the wire cores 1, 2, 3, 4, 5, 6 and 7 of the measured network cable can be directly measured.

[0054] By the testing device for the multi-core network cable of the utility model, the resistance measurement of the measured network cable can be realized by only one person, and the testing connection mode is simple, convenient and reliable, and when the total resistance needs to be measured, only one measurement can be completed, the testing effect is obviously improved, the artificial cost is reduced, and the testing precision and reliability are improved.

[0055] The above embodiments are only for illustrating the technical concept and characteristics of the utility model, the purpose is to enable those skilled in the art to understand the content of the utility model and implement it accordingly, and cannot limit the protection scope of the utility model. Any equivalent changes and modifications made within the scope of the claims of the utility model shall belong to the scope of the claims of the utility model.

Claims

1. A testing device for a multi-core network cable, the testing device comprising: The application relates to a switching plate and a switching device, and the switching device comprises a network cable adapter and an RJ45 adapter cable. The switching plate is connected with a D-type head of a measured network cable, a first end of the network cable adapter is connected with an RJ45 crystal head of the measured network cable, a second end of the network cable adapter is connected with a connecting terminal of the RJ45 adapter cable, and a measuring terminal of the RJ45 adapter cable is led out. The switching plate is used for switching the network cable at the D-type head end of the measured network cable, and is used for short-circuiting the network cable at the D-type head end of the measured network cable and measuring the resistance of the measured network cable by a measuring device. The network cable adapter is used for short-circuiting the network cable at the RJ45 crystal head end of the measured network cable and connecting the measured network cable with the RJ45 adapter cable. The measuring terminal of the RJ45 adapter cable is used for measuring the resistance of the measured network cable by the measuring device. The switching plate comprises a connecting end and a measuring end.

2. The testing device for multi-core network cables of claim 1, wherein, The connecting end of the switching plate is connected with the D-type head of the measured network cable, and the measuring end of the switching plate is used for resistance measurement by the measuring device. The connecting end of the switching plate comprises a D-type head interface which is connected with the D-type head of the measured network cable.

3. The testing device for multiple core network cables of claim 1, wherein, The measuring end of the switching plate comprises a first measuring end, a second measuring end, a third measuring end, a fourth measuring end and a fifth measuring end. The first measuring end, the second measuring end, the third measuring end, the fourth measuring end and the fifth measuring end are used for connecting the measuring electrodes of the measuring device by a tester to measure the resistance of the measured network cable. The measured network cable comprises a first wire core, a second wire core, a third wire core, a fourth wire core, a fifth wire core, a sixth wire core, a seventh wire core and an eighth wire core.

4. The test device for multiple core network cables of claim 3, wherein, The switching plate is used for connecting the second wire core and the third wire core, the fourth wire core and the fifth wire core and the sixth wire core and the seventh wire core at the D-type head end of the measured network cable. The first measuring end is connected with the first wire core, the second measuring end is connected with the connecting end of the second wire core and the third wire core, the third measuring end is connected with the connecting end of the fourth wire core and the fifth wire core, the fourth measuring end is connected with the connecting end of the sixth wire core and the seventh wire core, and the fifth measuring end is connected with the eighth wire core. The switching plate is a Micro-D-type head circuit board.

5. The testing device for multi-core network cables according to any of claims 1-4, characterized in that, The first end of the network cable adapter comprises a first connecting end, a second connecting end, a third connecting end, a fourth connecting end, a fifth connecting end, a sixth connecting end, a seventh connecting end and an eighth connecting end.

6. The testing device for multiple core network cables of claim 1, wherein, The second end of the network cable adapter comprises a first output end, a second output end, a third output end, a fourth output end, a fifth output end, a sixth output end, a seventh output end and an eighth output end. ​ The first connecting end connects the first core of the measured network cable through the RJ45 crystal head, the second connecting end connects the second core of the measured network cable through the RJ45 crystal head, the third connecting end connects the third core of the measured network cable through the RJ45 crystal head, the fourth connecting end connects the fourth core of the measured network cable through the RJ45 crystal head, the fifth connecting end connects the fifth core of the measured network cable through the RJ45 crystal head, the sixth connecting end connects the sixth core of the measured network cable through the RJ45 crystal head, the seventh connecting end connects the seventh core of the measured network cable through the RJ45 crystal head, and the eighth connecting end connects the eighth core of the measured network cable through the RJ45 crystal head. The first output end connects the first connecting terminal of the RJ45 adapter cable, the second output end connects the second connecting terminal of the RJ45 adapter cable, the third output end connects the third connecting terminal of the RJ45 adapter cable, the fourth output end connects the fourth connecting terminal of the RJ45 adapter cable, the fifth output end connects the fifth connecting terminal of the RJ45 adapter cable, the sixth output end connects the sixth connecting terminal of the RJ45 adapter cable, the seventh output end connects the seventh connecting terminal of the RJ45 adapter cable, and the eighth output end connects the eighth connecting terminal of the RJ45 adapter cable.

7. The testing device for multi-core network cables of claim 6, wherein, The RJ45 adapter cable is used to connect the first core and the second core, the third core and the fourth core, the fifth core and the sixth core, and the seventh core and the eighth core of the crystal head end of the measured network cable.

8. The testing device for multi-core network cables of claim 7, wherein, The measuring terminals of the RJ45 adapter cable include a first measuring terminal, a second measuring terminal, a third measuring terminal, and a fourth measuring terminal. The first measuring terminal, the second measuring terminal, the third measuring terminal, and the fourth measuring terminal are used for the tester to access the measuring electrodes of the measuring device to measure the resistance of the measured network cable.

9. The testing device for multi-core network cables of claim 8, wherein, The first measuring terminal is connected with the connecting end of the first core and the second core, the second measuring terminal is connected with the connecting end of the third core and the fourth core, the third measuring terminal is connected with the connecting end of the fifth core and the sixth core, and the fourth measuring terminal is connected with the connecting end of the seventh core and the eighth core.

10. The testing device for multiple core network cables of claim 1, wherein, The connecting terminals of the RJ45 adapter cable are crystal head terminals.

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