CN105425097A - Mining communication cable tester - Google Patents
Mining communication cable tester Download PDFInfo
- Publication number
- CN105425097A CN105425097A CN201510957910.3A CN201510957910A CN105425097A CN 105425097 A CN105425097 A CN 105425097A CN 201510957910 A CN201510957910 A CN 201510957910A CN 105425097 A CN105425097 A CN 105425097A
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- CN
- China
- Prior art keywords
- test device
- communication cable
- relay
- insulation resistance
- test
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/58—Testing of lines, cables or conductors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/025—Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention relates to a mining communication cable tester and aims to provide a communication cable testing device which has the advantages of a simple structure, convenient operations and a high automation degree. The mining communication cable tester provided by the invention comprises a central processor, a relay strobe unit, an on-off testing device, an insulated resistance testing device, an input unit and a display screen. A control signal output end of the central processor is connected to a control signal receiving end of the relay strobe unit; a control signal output end of the relay strobe unit is respectively connected to control ends of the on-off testing device and the insulated resistance testing device; testing ends of the on-off testing device and the insulated resistance testing device are respectively connected to a testing end of the input unit; testing signal output ends of the on-off testing device and the insulated resistance testing device are respectively connected to a testing signal receiving end of the central processor; and a testing signal output end of the central processor is connected to a signal receiving end of the display screen.
Description
Technical field
The present invention relates to communication cable detection field, particularly relate to a kind of mining communication cable tester.
Background technology
In the industrial and mineral field of present stage, multicore communication cable is often used to the transmission of electric energy and control signal in short distance.Insulation resistance in communication cable between core break-make and core evaluates its most important two factors whether meeting index.Multimeter is mostly adopted to measure the break-make of core at present, high tension megger is adopted to detect one by one insulation resistance between core, this mode at substantial manpower and materials, detection time is long, and accuracy of detection and evaluation conclusion depend on technical merit and the working experience of reviewer to a great extent, usually there is the situation detecting error, for the personal safety of workman under ore deposit and the development of enterprise bring potential hidden danger.
Summary of the invention
The technical problem to be solved in the present invention is to provide the mining communication cable tester that a kind of structure is simple, easy to operate, automaticity is high.
The present invention is mining communication cable tester, wherein, comprise central processing unit, relay strobe unit, on off test device, test device for insulation resistance and input block, the control signal output terminal of central processing unit is connected with the control signal receiving end of relay strobe unit, relay strobe unit control signal output terminal is connected with the control end of on off test device and test device for insulation resistance respectively, the test lead of on off test device and test device for insulation resistance accesses the test lead of input block respectively, on off test device is connected with the test signal receiving end of central processing unit respectively with the test signal output terminal of test device for insulation resistance.
The present invention is mining communication cable tester, wherein said mining communication cable tester also comprises display screen, and the signal receiving end of display screen is connected with the test signal output terminal of central processing unit.
The present invention is mining communication cable tester, wherein said display screen is the lattice lcd screen of resolution 320 × 240.
The present invention is mining communication cable tester, wherein said input block is polycore cable, relay strobe unit is multiple first relay and multiple second relay, one end of each first relay is connected with the core in polycore cable respectively, and the other end of each first relay accesses on off test device respectively; One end of each second relay is connected with one end of the insulation resistance between core in multi-core cable respectively, the other end access test device for insulation resistance of insulation resistance.
The present invention is mining communication cable tester, wherein said on off test device is LM317T three terminal regulator and LM258 operational amplifier.
The present invention is mining communication cable tester, wherein said test device for insulation resistance is divider resistance and AD620 instrument amplifier.
The present invention is mining communication cable tester, wherein said central processing unit is STM32F103ZET6 chip.
The present invention is mining, and communication cable tester difference from prior art is: the present invention is provided with relay strobe unit, on off test device and test device for insulation resistance, cable is made to carry out switching between on off test and megger test by relay strobe unit, automaticity and testing efficiency improve greatly, reduce the generation that people is maloperation situation.The data of on off test and the data of megger test all can show on a display screen, facilitate tester to observe.Central processing unit stores the data received, and is convenient to inquiry and the tracking of test data.Can test multi-cable, testing efficiency improves further simultaneously.
Below in conjunction with accompanying drawing, the mining communication cable tester of the present invention is described further.
Accompanying drawing explanation
Fig. 1 is the syndeton block diagram of the mining communication cable tester of the present invention.
Embodiment
As shown in Figure 1, for the syndeton block diagram of the mining communication cable tester of the present invention, comprise central processing unit 1, relay strobe unit 2, on off test device 3, test device for insulation resistance 4, input block 5 and display screen 6, the control signal output terminal of central processing unit 1 is connected with the control signal receiving end of relay strobe unit 2, relay strobe unit 2 control signal output terminal is connected with the control end of on off test device 3 and test device for insulation resistance 4 respectively, the test lead of on off test device 3 and test device for insulation resistance 4 accesses the test lead of input block 5 respectively, on off test device 3 is connected with the test signal receiving end of central processing unit 1 respectively with the test signal output terminal of test device for insulation resistance 4, the test signal output terminal of central processing unit 1 is connected with the signal receiving end of display screen 6.
Input block 5 of the present invention is polycore cable, relay strobe unit 2 is multiple first relay and multiple second relay, one end of each first relay is connected with the core in cable respectively, and the other end of each first relay accesses on off test device 3 respectively; One end of each second relay is connected with one end of the insulation resistance between core respectively, the other end access test device for insulation resistance 4 of insulation resistance.It is LM258 operational amplifier that on off test device 3 adopts model to be LM317T three terminal regulator and model, three terminal regulator can provide steady current to core, and the magnitude of voltage at two equal length core two ends is gathered respectively by operational amplifier, and import central processing unit 1 into and compare, thus determine the break-make situation of core.Test device for insulation resistance 4 is AD620 instrument amplifier for divider resistance and model, insulation resistance and divider resistance applies voltage, imports voltage division signal into central processing unit 1 by instrument amplifier, thus determines that whether insulation resistance insulation situation is normal.
The central processing unit 1 adopted in one embodiment of the present of invention is STM32F103ZET6 chip, and display screen 6 is the lattice lcd screen of resolution 320 × 240.
The present invention is mining communication cable tester, be provided with relay strobe unit 2, on off test device 3 and test device for insulation resistance 4, cable is made to carry out switching between on off test and megger test by relay strobe unit 2, automaticity and testing efficiency improve greatly, reduce the generation that people is maloperation situation.The data of on off test and the data of megger test all can show on display screen 6, facilitate tester to observe.Central processing unit 1 stores the data received, and is convenient to inquiry and the tracking of test data.Can test multi-cable, testing efficiency improves further simultaneously.Structure of the present invention is simple, easy to operate, automaticity is high, compared with prior art has obvious advantage.
Above-described embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.
Claims (7)
1. a mining communication cable tester, it is characterized in that: comprise central processing unit (1), relay strobe unit (2), on off test device (3), test device for insulation resistance (4) and input block (5), the control signal output terminal of central processing unit (1) is connected with the control signal receiving end of relay strobe unit (2), relay strobe unit (2) control signal output terminal is connected with the control end of on off test device (3) and test device for insulation resistance (4) respectively, the test lead of on off test device (3) and test device for insulation resistance (4) accesses the test lead of input block (5) respectively, on off test device (3) is connected with the test signal receiving end of central processing unit (1) respectively with the test signal output terminal of test device for insulation resistance (4).
2. mining communication cable tester according to claim 1, it is characterized in that: described mining communication cable tester also comprises display screen (6), the signal receiving end of display screen (6) is connected with the test signal output terminal of central processing unit (1).
3. mining communication cable tester according to claim 2, is characterized in that: the lattice lcd that described display screen (6) is resolution 320 × 240 shields.
4. mining communication cable tester according to claim 1, it is characterized in that: described input block (5) is polycore cable, relay strobe unit (2) is multiple first relay and multiple second relay, one end of each first relay is connected with the core in polycore cable respectively, and the other end of each first relay accesses on off test device (3) respectively; One end of each second relay is connected with one end of the insulation resistance between core in multi-core cable respectively, other end access test device for insulation resistance (4) of insulation resistance.
5. mining communication cable tester according to claim 4, is characterized in that: described on off test device (3) is LM317T three terminal regulator and LM258 operational amplifier.
6. mining communication cable tester according to claim 4, is characterized in that: described test device for insulation resistance (4) is divider resistance and AD620 instrument amplifier.
7. mining communication cable tester according to claim 1, is characterized in that: described central processing unit (1) is STM32F103ZET6 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510957910.3A CN105425097A (en) | 2015-12-16 | 2015-12-16 | Mining communication cable tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510957910.3A CN105425097A (en) | 2015-12-16 | 2015-12-16 | Mining communication cable tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105425097A true CN105425097A (en) | 2016-03-23 |
Family
ID=55503429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510957910.3A Pending CN105425097A (en) | 2015-12-16 | 2015-12-16 | Mining communication cable tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105425097A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106841809A (en) * | 2016-12-28 | 2017-06-13 | 国家电网公司 | Multifunctional cable tester |
| CN107356851A (en) * | 2017-07-12 | 2017-11-17 | 北京电子工程总体研究所 | A kind of electric cable insulation tester and the method tested using the device |
| CN107643448A (en) * | 2017-10-26 | 2018-01-30 | 北京广利核系统工程有限公司 | Megger test detection means and detection method |
| CN107991535A (en) * | 2017-12-01 | 2018-05-04 | 中国兵器装备集团自动化研究所 | Multichannel insulate and conducting resistance measuring system and its passageway switching method |
| CN108037401A (en) * | 2017-11-10 | 2018-05-15 | 淮北智淮科技有限公司 | A kind of power cable fault tests system |
| CN113514726A (en) * | 2021-09-15 | 2021-10-19 | 北京安达维尔航空设备有限公司 | Complete machine cable detection system and method |
-
2015
- 2015-12-16 CN CN201510957910.3A patent/CN105425097A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106841809A (en) * | 2016-12-28 | 2017-06-13 | 国家电网公司 | Multifunctional cable tester |
| CN106841809B (en) * | 2016-12-28 | 2019-06-18 | 国家电网公司 | Multifunctional cable tester |
| CN107356851A (en) * | 2017-07-12 | 2017-11-17 | 北京电子工程总体研究所 | A kind of electric cable insulation tester and the method tested using the device |
| CN107643448A (en) * | 2017-10-26 | 2018-01-30 | 北京广利核系统工程有限公司 | Megger test detection means and detection method |
| CN108037401A (en) * | 2017-11-10 | 2018-05-15 | 淮北智淮科技有限公司 | A kind of power cable fault tests system |
| CN107991535A (en) * | 2017-12-01 | 2018-05-04 | 中国兵器装备集团自动化研究所 | Multichannel insulate and conducting resistance measuring system and its passageway switching method |
| CN107991535B (en) * | 2017-12-01 | 2019-12-10 | 中国兵器装备集团自动化研究所 | Multi-channel insulation and on-resistance measurement system and channel switching method thereof |
| CN113514726A (en) * | 2021-09-15 | 2021-10-19 | 北京安达维尔航空设备有限公司 | Complete machine cable detection system and method |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160323 |
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| WD01 | Invention patent application deemed withdrawn after publication |