CN107315125A - The testing tool and method of testing of a kind of four cores power line - Google Patents
The testing tool and method of testing of a kind of four cores power line Download PDFInfo
- Publication number
- CN107315125A CN107315125A CN201710451356.0A CN201710451356A CN107315125A CN 107315125 A CN107315125 A CN 107315125A CN 201710451356 A CN201710451356 A CN 201710451356A CN 107315125 A CN107315125 A CN 107315125A
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- Prior art keywords
- subcircuits
- core
- led
- circuit
- tie point
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- 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
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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 discloses a kind of testing tool of four cores power line and its method of testing, including test circuit substrate and setting on the substrate, the test circuit includes power subsystem, tie point circuit, second subcircuits, 3rd subcircuits, 4th subcircuits and four core plug males, the tie point circuit, LED is disposed in series respectively in second subcircuits and the 3rd subcircuits, the tie point circuit, first conducting end of the second subcircuits and the 3rd subcircuits is connected with an electrode of power subsystem respectively, the tie point circuit, second conducting end of the second subcircuits and the 3rd subcircuits is connected with four core plug males respectively, another electrode of the power subsystem is connected with the first conducting end of the 4th subcircuits, second conducting end of the 4th subcircuits is connected with four core plug males, the testing tool is used for four core power lines of test, and whether core is breaking.
Description
Technical field
The present invention relates to electronic circuit technology, more particularly to it is a kind of be used to testing four core power lines whether the test work of open circuit
Tool and its method of testing.
Background technology
At present, some device interiors have three road load branch and primary Ioops branch road, and one end of the three roads load branch is total to
With connecting and be connected with one end of circuit branch, and three road load branch and the other end of circuit branch respectively with four core power lines
Connection, and there are four core plug females to be used to connect power supply with power supply to the device on the four cores power line, because four core power lines exist
Using or it is mobile when be easily caused the open circuit of certain core, cause power supply power supply to the device or not communicate bad, cause equipment frequency
Numerous alarm, and because four core power lines open circuit after, the insulating barrier of outside will not disconnect, so power line can not be found out from outward appearance substantially
Core open circuit, can not be investigated in advance again, could be found after only upper machine production, be needed to change four core power lines after discovery, so that shadow
Equipment operating efficiency is rung, and the open circuit of four core power lines can not such as find to cause the risk of equipment short circuit in time, or even burn out and set
Load in standby.
The content of the invention
The invention provides a kind of testing tool of four cores power line, to avoid in the said equipment, because four core power lines exist
Using or it is mobile when be easily caused core open circuit, cause power supply power supply to the device or not communicate bad, cause equipment frequency
Numerous alarm, influences equipment operating efficiency, or even the open circuit of four core power lines such as to find to cause the risk of equipment short circuit in time,
Even burn out the technical problem of the load in equipment.
To achieve these goals, the technology technical scheme that the invention is taken is：A kind of testing tool of four cores power line,
Including test circuit substrate and setting on the substrate, the test circuit includes power subsystem, tie point circuit, second
Subcircuits, the 3rd subcircuits, the 4th subcircuits and four core plug males, the tie point circuit, the second branch road electricity
LED, the tie point circuit, the second subcircuits and the 3rd branch road are disposed in series in road and the 3rd subcircuits respectively
First conducting end of circuit is connected with an electrode of power subsystem respectively, the tie point circuit, the second subcircuits and
Second conducting end of three subcircuits is connected with four core plug males respectively, another electrode and the 4th branch road of the power subsystem
The first conducting end connection of circuit, the second conducting end of the 4th subcircuits is connected with four core plug males, four core
Plug male is used to connect four core plug females on four core power lines.
Further, the tie point circuit, the second subcircuits and the 3rd subcircuits are respectively by wire, a resistance
It is in series with a LED, the 4th subcircuits are formed by wire and a resistant series.Using resistance be for current limliting,
Protect the energization safety of LED circuit and equipment.
Further, the power subsystem uses battery tray and battery, and the battery tray is arranged on substrate, and electric power storage
Pond is arranged on battery tray.
The method of testing of testing tool based on four above-mentioned core power lines, step 1）The tie point circuit, second
LED in subcircuits, the 3rd subcircuits and the 4th subcircuits can set the LED of different colours which branch distinguished
Road circuit there occurs open circuit；
Step 2）In the case of ensureing that equipment under test is trouble-free, four core power lines on equipment under test are inserted into four core plugs female
The bright situation of LED in head, viewing tie point circuit, the second subcircuits, the 3rd subcircuits and the 4th subcircuits；
Step 3）If the LED in tie point circuit, the second subcircuits, the 3rd subcircuits and the 4th subcircuits is complete
It is bright, then four core power line fault-free；If the LED of a certain color does not work, other LEDs are bright, then the event of four core power lines
Barrier, and which the root core open circuit of four core power lines is judged according to the LED color not worked；If all LEDs all do not work, four
The core open circuit of link circuit branch road in core power line failure, and four core power lines.
Further, step 2）By a trouble-free four cores power line access equipment under test, then by equipment under test
Trouble-free four cores power line insertion testing tool in four core plug females, the bright situation of viewing LED, if any
LED does not work, then equipment under test failure, if LED all light, equipment under test fault-free.
Compared with prior art, the beneficial effects of the invention are as follows：When four core plug males of four core power lines in equipment
Formed with loop after the four core plug females connection of testing tool, if the core that load branch is connected in four core power lines breaks
Road, then the circuit branch open circuit of corresponding connection so that LED does not work, if in four core power lines link circuit branch road line
Core open circuit, three LEDs do not work all, so as to check out four core power lines in advance with the presence or absence of core open circuit, it is to avoid in equipment because
Four core power lines using or it is mobile when be easily caused core open circuit, cause power supply power supply to the device or not communicate not
It is good, cause equipment frequently to be alarmed, influence equipment operating efficiency, or even the open circuit of four core power lines such as to have found to cause to set in time
The risk of standby short circuit, or even burn out the technical problem of the load in equipment.
Brief description of the drawings
Fig. 1 show the structural representation of the test circuit in the present invention.
Embodiment
The embodiment to the present invention is described further below in conjunction with the accompanying drawings, so as to more be understood that the wound of the present invention
Make a place.
With reference to a kind of testing tools of four cores power line of Fig. 1, including substrate and test circuit on the substrate is set,
The test circuit includes power subsystem, tie point circuit, the second subcircuits, the 3rd subcircuits, the 4th subcircuits
With four core plug males, LED is disposed in series respectively in the tie point circuit, the second subcircuits and the 3rd subcircuits
Lamp, the first conducting end of the tie point circuit, the second subcircuits and the 3rd subcircuits respectively with power subsystem one
Electrode is connected, and the second conducting end of the tie point circuit, the second subcircuits and the 3rd subcircuits is inserted with four cores respectively
Head male connection, another electrode of the power subsystem is connected with the first conducting end of the 4th subcircuits, the 4th branch road
Second conducting end of circuit is connected with four core plug males, and the four core plugs male is used to connect four cores on four core power lines
Plug female.
Loop after four core plug males of four core power lines in equipment and four core plug females of testing tool are connected
Formed, if connecting the core open circuit of load branch in four core power lines, the circuit branch open circuit of corresponding connection, so that
LED does not work, if the core of link circuit branch road is breaking in four core power lines, three LEDs do not work all.
It is worth noting that, the LED in the tie point circuit, the second subcircuits and the 3rd subcircuits can be set
Determine the LED of different colours and there occurs open circuit to distinguish which subcircuits.Such as, according to the face of the insulating barrier of four core power lines
The LED of color " Huang " " white " " green " " orange ", respectively selection hair " Huang " " white " " green " " orange " light.
In concrete application, scheme one, the tie point circuit, the second subcircuits and the 3rd subcircuits are respectively by leading
Line, a resistance and a LED are in series, and the 4th subcircuits are formed by wire and a resistant series.It is using resistance
For current limliting, the energization safety of protection LED circuit and equipment.Wherein, the power and model of LED, the resistance of resistance are both needed to
The power to be there is provided according to power subsystem and the size of apparatus of load are selected.
Scheme two, the tie point circuit, the second subcircuits and the 3rd subcircuits are respectively by wire and a LED
Lamp is in series, and the 4th subcircuits are made up of wire.This situation is applied to the less situation of power subsystem power output
Under.
Scheme three, the tie point circuit, the second subcircuits, the 3rd subcircuits and the 4th subcircuits by
Wire, a resistance and a LED are in series.
Scheme four, the tie point circuit, the second subcircuits, the 3rd subcircuits and the 4th subcircuits respectively by
Wire and a LED are in series.4th subcircuits install LED etc. can be used for judging four core power lines a line conductor whether
Open circuit.
It is preferred that, the power subsystem uses battery, and battery is provided on battery tray, if substrate uses PCB bases
Plate, then battery tray and four core plug males be welded in PCB substrate, the tie point circuit, the second subcircuits, the 3rd
Road circuit and the 4th subcircuits can print in PCB substrate.
If substrate can use universal plate, battery tray and four core plug males are welded on universal plate, described first
Road circuit, the second subcircuits, the 3rd subcircuits and the 4th subcircuits complete to make test circuit by welding.It is described
Four core plug males can use the model epg.1b of lemo companies plug male.
The method of testing of testing tool based on four above-mentioned core power lines, it is characterised in that step 1）Described first
LED in road circuit, the second subcircuits, the 3rd subcircuits and the 4th subcircuits can set the LED of different colours
Open circuit is there occurs to distinguish which subcircuits；Specifically, according to the color " Huang " " white " " green " of the insulating barrier of four core power lines
The LED of " orange ", respectively selection hair " Huang " " white " " green " " orange " light；Step 2）In the case of ensureing that equipment under test is trouble-free,
Four core power lines on equipment under test are inserted into four core plug females, viewing tie point circuit, the second subcircuits, the 3rd
The bright situation of LED in road circuit and the 4th subcircuits；Step 3）If tie point circuit, the second subcircuits,
LED all light in three subcircuits and the 4th subcircuits, then four core power line fault-free；If the LED of a certain color
Lamp does not work, and other LEDs are bright, then four core power line failures, and judges where is four core power lines according to the LED color not worked
The open circuit of single line core；If all LEDs all do not work, four core power line failures, and the link circuit branch in four core power lines
The core open circuit on road.
Preferably, step 2）By a trouble-free four cores power line access equipment under test, then by equipment under test
Four core plug females in trouble-free four cores power line insertion testing tool, the bright situation of viewing LED, if any LED
Lamp does not work, then equipment under test failure, if LED all light, equipment under test fault-free.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (7)
1. a kind of testing tool of four cores power line, it is characterised in that including test circuit substrate and setting on the substrate,
The test circuit includes power subsystem, tie point circuit, the second subcircuits, the 3rd subcircuits, the 4th subcircuits
With four core plug males, LED is disposed in series respectively in the tie point circuit, the second subcircuits and the 3rd subcircuits
Lamp, the first conducting end of the tie point circuit, the second subcircuits and the 3rd subcircuits respectively with power subsystem one
Electrode is connected, and the second conducting end of the tie point circuit, the second subcircuits and the 3rd subcircuits is inserted with four cores respectively
Head male connection, another electrode of the power subsystem is connected with the first conducting end of the 4th subcircuits, the 4th branch road
Second conducting end of circuit is connected with four core plug males, and the four core plugs male is used to connect four cores on four core power lines
Plug female.
2. the testing tool of four cores power line as claimed in claim 1, it is characterised in that the tie point circuit, second
Subcircuits and the 3rd subcircuits are in series by wire, a resistance and a LED respectively, and the 4th subcircuits are by leading
Line and a resistant series are formed.
3. the testing tool of four cores power line as described in claim 1 or 2, it is characterised in that the power subsystem is used
Battery tray and battery, the battery tray are arranged on substrate, and battery is arranged on battery tray.
4. the testing tool of four cores power line as claimed in claim 3, it is characterised in that the 4th subcircuits are by leading
Line, a resistance and a LED are in series.
5. the testing tool of four cores power line as claimed in claim 1, it is characterised in that the tie point circuit, second
Subcircuits, the 3rd subcircuits and the 4th subcircuits are in series by wire and a LED respectively.
6. the method for testing of the testing tool based on four core power lines described in claim 4 or 5, it is characterised in that step
1）LED in the tie point circuit, the second subcircuits, the 3rd subcircuits and the 4th subcircuits can set difference
The LED of color there occurs open circuit to distinguish which subcircuits；
Step 2）In the case of ensureing that equipment under test is trouble-free, four core power lines on equipment under test are inserted into four core plugs female
The bright situation of LED in head, viewing tie point circuit, the second subcircuits, the 3rd subcircuits and the 4th subcircuits；
Step 3）If the LED in tie point circuit, the second subcircuits, the 3rd subcircuits and the 4th subcircuits is complete
It is bright, then four core power line fault-free；If the LED of a certain color does not work, other LEDs are bright, then the event of four core power lines
Barrier, and which the root core open circuit of four core power lines is judged according to the LED color not worked；If all LEDs all do not work, four
The core open circuit of link circuit branch road in core power line failure, and four core power lines.
7. the method for testing of the testing tool based on four core power lines described in claim 6, it is characterised in that step 2）By one
The trouble-free four cores power line access equipment under test of root, then the trouble-free four cores power line on equipment under test is inserted test
Four core plug females in instrument, the bright situation of viewing LED, if any LED does not work, equipment under test failure, if
LED all light, then equipment under test fault-free.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710451356.0A CN107315125A (en) | 2017-06-15 | 2017-06-15 | The testing tool and method of testing of a kind of four cores power line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710451356.0A CN107315125A (en) | 2017-06-15 | 2017-06-15 | The testing tool and method of testing of a kind of four cores power line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107315125A true CN107315125A (en) | 2017-11-03 |
Family
ID=60183270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710451356.0A Pending CN107315125A (en) | 2017-06-15 | 2017-06-15 | The testing tool and method of testing of a kind of four cores power line |
Country Status (1)
| Country | Link |
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| CN (1) | CN107315125A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108107307A (en) * | 2018-01-22 | 2018-06-01 | 杭州春来科技有限公司 | Serial line interface harness failure detector and method |
| CN109239617A (en) * | 2018-07-23 | 2019-01-18 | 南通同洲电子有限责任公司 | A kind of power supply test tooling for testing multiple groups direct voltage output |
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| CN202421400U (en) * | 2011-12-24 | 2012-09-05 | 许继集团有限公司 | Checking tool for connection of multicore flat cables |
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| CN104459480A (en) * | 2013-09-22 | 2015-03-25 | 珠海格力电器股份有限公司 | Voltage-withstand performance testing method and system for multi-core power line |
| CN207067298U (en) * | 2017-06-15 | 2018-03-02 | 南通同洲电子有限责任公司 | A kind of testing tool of four cores power line |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201689146U (en) * | 2010-04-15 | 2010-12-29 | 东莞岳丰电子科技有限公司 | Tester of polarity and switch-on of multi-core power wire |
| CN202421400U (en) * | 2011-12-24 | 2012-09-05 | 许继集团有限公司 | Checking tool for connection of multicore flat cables |
| CN104459480A (en) * | 2013-09-22 | 2015-03-25 | 珠海格力电器股份有限公司 | Voltage-withstand performance testing method and system for multi-core power line |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108107307A (en) * | 2018-01-22 | 2018-06-01 | 杭州春来科技有限公司 | Serial line interface harness failure detector and method |
| CN109239617A (en) * | 2018-07-23 | 2019-01-18 | 南通同洲电子有限责任公司 | A kind of power supply test tooling for testing multiple groups direct voltage output |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171103 |
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| RJ01 | Rejection of invention patent application after publication |