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Cable tester

A tester and cable technology, applied in the field of devices for testing various types of cables, can solve problems such as inability to measure long cables, low and inaccurate test accuracy, improve inspection efficiency and accuracy, and reduce a lot of manpower , to ensure the effect of accuracy

Inactive Publication Date: 2006-09-27
SUPCON GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The purpose of the present invention is to provide a cable tester for testing various finished cables to solve the technical problems in the prior art that the test accuracy is low and inaccurate and long cables cannot be measured

Method used

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Examples

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Embodiment 1

[0042] Example 1, see figure 1 and figure 2 , figure 1 It is a structural schematic diagram of the present invention, figure 2 for figure 1 Schematic diagram of the structure of the first embodiment.

[0043] The cable tester of the present invention includes a signal source unit 11 , a cable input terminal 12 , a signal receiving unit 13 , a microprocessor CPU 14 , a communication unit 15 and / or a result output unit 16 .

[0044] The signal source unit 11 is connected to the microprocessor CPU 14 , and the microprocessor CPU 14 controls the orderly output switching signals, and sends all channel signals to the cable input terminal 12 .

[0045] The signal source unit 11 further includes a signal sending unit 111 , a signal driving unit 112 , and a sending control unit 113 .

[0046] The signal sending unit 111 is controlled by the microprocessor CPU to output a valid switch signal.

[0047] The sending control unit 113 controls the signal sending unit to output a uniq...

Embodiment 2

[0063] Example 2, see Figure 3 to Figure 9 It is the specific circuit diagram of the second embodiment. image 3 is the circuit diagram of the signal source unit; Figure 4 is the circuit diagram of the cable input end; Figure 5 is the circuit diagram of the signal receiving unit; Figure 6 is the circuit diagram of the power supply unit; Figure 7 It is the circuit diagram of the microprocessor CPU; Figure 8 is the circuit diagram of the communication unit; Figure 9 Circuit diagram for the result output unit.

[0064] The transmission control unit 113 of the signal source unit 11 of the cable tester in this embodiment may use five 74HC138 decoders. Because the eight-way signal of the decoder 74HC138 itself has the function of only outputting at the same time. Connect the control terminal of a 74HC138 that generates the control signal to the output terminal of another 74HC138, so that only one 74HC138 is selected at the same time. Because only 74HC138 can generate ...

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Abstract

This invention relates to a cable tester which comprises a signal source, an input port, a signal receive unit, a CPU to control the signal source to unique send one-way effective signal and the receive unit to receive and test the signal and send the result to the output unit, and a result output unit also controlled the CPU to display the test result. This invention overcomes the defects in prior art.

Description

technical field [0001] The invention relates to electronic devices, and mainly relates to a device for inspecting various cables. Background technique [0002] At present, cables, as the transmission medium of various signals, undertake the important responsibility of accurate and orderly transmission of signals. Especially with the expansion of the application of the system, the effective transmission effect of the signals between the various components is directly reflected on the cable. Any disconnection and paralleling of cables will directly lead to wrong results, and in special circumstances will directly lead to more serious accidents. Therefore, each cable manufacturer and application party will adopt different inspection methods to control product quality. [0003] In the past, the manual inspection method was used to test the continuity of the two ends of the cable under test with a multimeter. This method is not only slow but also has a large human error. If th...

Claims

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Application Information

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IPC IPC(8): G01R31/02G01R31/08
Inventor 郑伟建钟国庆张渝晖裘峰
Owner SUPCON GRP
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