CN204855710U - Portable test cable detector - Google Patents
Portable test cable detector Download PDFInfo
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- CN204855710U CN204855710U CN201520575543.6U CN201520575543U CN204855710U CN 204855710 U CN204855710 U CN 204855710U CN 201520575543 U CN201520575543 U CN 201520575543U CN 204855710 U CN204855710 U CN 204855710U
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Abstract
The utility model provides a portable test cable detector, connect respectively when the test and survey the main end equipment at cable both ends and follow end equipment at the quilt, main end equipment includes power, man -machine interface, controller, data transmission module, data receiver module, main switch matrix, main status display module, the main termination mouth held, it includes from end switch matrix, from end status display module, follows termination mouth, the positive reverse control module that detects to follow end equipment. This portable test cable detector can realize the automated inspection of test cable under the circumstances that does not possess outside communication support, do not require to be surveyed the cable both ends and have common ground point, and the cable of cable both ends when being in same position detected before both having can be used to the cable and laying, also can be used to the cable and lays in -process or cable and laid the cable of the back cable both ends that finish when being in different positions and detect, and all operations all can be accomplished by an operating personnel.
Description
Technical field
The utility model relates to metrological testing technology field, is specially a kind of portable test cable detector, for test cable connection reliability.
Background technology
It is one of main contents of metrology and measurement area research that test cable connection reliability detects always.At present, in various test macro, contact method is usually adopted to carry out reliability detection to test cable.Before carrying out experimental test, all need to check connecting test cable and measure, to guarantee the reliable collection testing measurement data at every turn.Under normal circumstances, carrying out inspection to test cable reliability is adopt multimeter directly to detect, and namely for a test cable, connects short circuit by needing one, two lines of detection streamer, its break-make is carried out by multimeter, to judge the state of test cable in the other end of detection streamer.Generally, this method can judge that whether two lines of test cable are normal simultaneously, has the features such as directly perceived, reliable and practical.
But in some special cases, such as, once there be a line to have fault, when needing to carry out independent judgment, operation will become and extremely bother.When particularly condition is undesirable at the scene, be sometimes difficult to provide result of determination clear and definite especially soon.In addition, different test cables, is connected with the joint of different model with it, uses automatic testing method, also needs the mode considering to connect.
Summary of the invention
The technical matters solved
The utility model one of is intended to solve the problems of the technologies described above at least to a certain extent or at least provides a kind of useful business to select.For this reason, an object of the present utility model is the real work situation according to test cable reliability measurement, a kind of portable test cable detector is provided, by controlling output detections signal, judge whether signal effectively transmits in the cable, realize the accurate judgement of the connection reliability to test cable.
Technical scheme
In one of the present utility model, the utility model proposes a kind of portable test cable detector, it is characterized in that: be connected to when comprising test tested cable two ends main side equipment and from end equipment; Main side equipment comprises power supply, man-machine interface, controller, data transmission blocks, data reception module, main side switch arrays, main side state display module, main side interface; Comprise from end switch array, from end state display module, from end interface, forward and reverse detection control module from end equipment;
The modules of main side equipment: the power switch in power supply acceptor side switch arrays controls, for detector modules is powered; Input detected parameters by man-machine interface, controller determines detection time according to detected parameters; Main side interface connects tested cable one end, and main side interface arranges corresponding interface according to the line number of tested cable; Data transmission blocks and data reception module and main side orifice, realize transmission and the acceptance of detection signal; Controller controls main side switch arrays rest switch break-make, and controls the light emitting diode of main side state display module, to show detected state;
Modules from end equipment: forward and reverse detection control module realizes forward and reverse detection and selects; Connect the tested cable other end from end interface, from end interface, corresponding interface is set according to the line number of tested cable; Be communicated with from end switch array with from end interface; From end switch antenna array control from the light emitting diode of end state display module, to show the detected state of the every root line of tested cable.
According to embodiment of the present utility model, this portable test cable detector can realize the automatic detection of test cable when not possessing PERCOM peripheral communication guarantee, do not require that tested cable two ends exist common ground point, both cable detection when cable two ends are in same position before having can be used for laying cable, also can be used in laying cable process or cable lay after the cable detection of cable two ends when being in diverse location, all operations all can be completed by operating personnel.Carry out actual comparative analysis by the present invention and existing detection method can see, instant invention overcomes the defect that existing cable detection method exists, the work efficiency of test macro is improved greatly.Further, the present invention is rational in infrastructure, easy to use, high precision, high-level efficiency, low cost, for the detection of test macro provides new approaches in principle and on realizing.This detector has become a kind of test macro automatic detection device of function admirable.Also can promote the use of for similar system, there is good social application prospect.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1: theory diagram of the present invention;
Fig. 2: the circuit theory diagrams of test cable detector main side equipment;
Fig. 3: test cable detector is from the circuit theory diagrams of end equipment.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
The object of the present embodiment is to provide a kind of portable test cable detector, by controlling output detections signal, judging whether signal effectively transmits in the cable, realizing the accurate judgement of the connection reliability to test cable.
Portable test cable detector be connected to when comprising test tested cable two ends main side equipment and from end equipment.
The major function of main side equipment is for detection streamer path, open circuit and short-circuit condition.Main side equipment comprises power supply, man-machine interface, controller, data transmission blocks, data reception module, main side switch arrays, main side state display module, main side interface.
The effect of main side equipment modules is respectively: power switch in power supply acceptor side switch arrays controls, for detector modules is powered and the driving of state display module.Man-machine interface provides the operation interface of user's function setting, for inputting detected parameters.Main side interface connects tested cable one end, and main side interface adopts the multi-tap matched with test cable joint, and main side interface arranges corresponding interface according to the line number of tested cable, can realize easily being connected with the accurate of detected cable.Data transmission blocks and data reception module and main side orifice, realize transmission and the acceptance of detection signal.Controller take processor of single chip computer as the control module of core, controller is according to the detection time of root line every in detected parameters determination cable under test, and controller controls main side switch arrays rest switch break-make, and controls the light emitting diode of main side state display module, to show detected state.
Be form closed loop test passage with main side equipment, tested cable from end equipment major function, the automatic measurement and the state that realize cable show.Comprise from end switch array, from end state display module, from end interface, forward and reverse detection control module from end equipment;
Be respectively from the effect of the modules of end equipment: forward and reverse detection control module realizes forward and reverse detection and selects, and closed loop current passage when forward detection and inverse detection are provided.Connect the tested cable other end from end interface, adopt the multi-tap matched with test cable joint from end interface, from end interface, corresponding interface is set according to the line number of tested cable, can realizes easily being connected with the accurate of detected cable.Be communicated with from end switch array with from end interface, from end switch antenna array control from the light emitting diode of end state display module, to show the detected state of the every root line of tested cable.
As shown in Figure 2, K1 ~ K9 forms main side switch arrays to test cable detector main side circuitry; VCC is the power supply of main side equipment; The delay circuit of integrated circuit (IC) 1 and peripheral cell composition detector thereof, by Selecting parameter, determines detection time.Integrated circuit (IC) 2 and peripheral cell composition control circuit thereof, can reach and export small area analysis by arranging requirement, thus drive light emitting diode to show detected state.Integrated circuit (IC) 3 and peripheral cell composition microcomputer control system thereof, realize data input and data output, man-machinely to cross, optimum configurations and various controlling functions.
Test cable detector from end circuitry as shown in Figure 3, integrated circuit (IC) 4 and peripheral cell thereof complete forward and reverse detection selection function, light emitting diode D17 ~ D32 be used for show test cable detect state.
In the present embodiment, in circuit, IC1 selects NE555; IC2 selects CD4017; IC3 selects 89C251; IC4 selects 74138; D1 ~ D32 uses Φ 5mm high-brightness luminous pipe.Power acquisition 9V layer-built battery.By selecting rational on off state, determine the optimal parameter of detector, not high to make detector be operated in power consumption, brightness is ideally suitable.This test cable detector is an independently mini system in addition, and each road detection output state directly can be measured and obtain, and has self diagnosis and regulatory function.
Carry out actual comparative analysis by the present invention and existing detection method can see, the present invention can overcome the defect that existing detection method exists, rational in infrastructure, easy to use, there is high precision, high-level efficiency, low cost, the feature such as easy to carry, the detection in principle with for test macro on realizing provides new approaches and new method.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment when not departing from principle of the present utility model and aim, revising, replacing and modification in scope of the present utility model.
Claims (1)
1. a portable test cable detector, is characterized in that: be connected to when comprising test tested cable two ends main side equipment and from end equipment; Main side equipment comprises power supply, man-machine interface, controller, data transmission blocks, data reception module, main side switch arrays, main side state display module, main side interface; Comprise from end switch array, from end state display module, from end interface, forward and reverse detection control module from end equipment;
The modules of main side equipment: the power switch in power supply acceptor side switch arrays controls, for detector modules is powered; Input detected parameters by man-machine interface, controller determines detection time according to detected parameters; Main side interface connects tested cable one end, and main side interface arranges corresponding interface according to the line number of tested cable; Data transmission blocks and data reception module and main side orifice, realize transmission and the acceptance of detection signal; Controller controls main side switch arrays rest switch break-make, and controls the light emitting diode of main side state display module, to show detected state;
Modules from end equipment: forward and reverse detection control module realizes forward and reverse detection and selects; Connect the tested cable other end from end interface, from end interface, corresponding interface is set according to the line number of tested cable; Be communicated with from end switch array with from end interface; From end switch antenna array control from the light emitting diode of end state display module, to show the detected state of the every root line of tested cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520575543.6U CN204855710U (en) | 2015-08-01 | 2015-08-01 | Portable test cable detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520575543.6U CN204855710U (en) | 2015-08-01 | 2015-08-01 | Portable test cable detector |
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| Publication Number | Publication Date |
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| CN204855710U true CN204855710U (en) | 2015-12-09 |
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| CN201520575543.6U Active CN204855710U (en) | 2015-08-01 | 2015-08-01 | Portable test cable detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110988620A (en) * | 2019-11-25 | 2020-04-10 | 河北京车轨道交通车辆装备有限公司 | Line calibration and insulation and voltage resistance test integrated device |
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2015
- 2015-08-01 CN CN201520575543.6U patent/CN204855710U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110988620A (en) * | 2019-11-25 | 2020-04-10 | 河北京车轨道交通车辆装备有限公司 | Line calibration and insulation and voltage resistance test integrated device |
| CN110988620B (en) * | 2019-11-25 | 2020-11-06 | 河北京车轨道交通车辆装备有限公司 | Line calibration and insulation and voltage resistance test integrated device |
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