CN207516486U - A kind of device for reducing the secondary cable core verification time - Google Patents
A kind of device for reducing the secondary cable core verification time Download PDFInfo
- Publication number
- CN207516486U CN207516486U CN201721783620.2U CN201721783620U CN207516486U CN 207516486 U CN207516486 U CN 207516486U CN 201721783620 U CN201721783620 U CN 201721783620U CN 207516486 U CN207516486 U CN 207516486U
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- China
- Prior art keywords
- resistance
- cable core
- test pencil
- secondary cable
- detection circuit
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- 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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Abstract
The utility model discloses a kind of devices for reducing the secondary cable core verification time, including ontology, shell and panel, the ontology installation is inside the shell, the panel is detachably connected with shell, circuit board is installed on the ontology, the circuit board is equipped with test pencil jack, and the test pencil jack is connected with test pencil, and the pointer of the test pencil uses crocodile clip.The first end of the test pencil jack is connected with single-pole double-throw switch (SPDT) S1, two stationary contacts of the single-pole double-throw switch (SPDT) S1 be connected separately with for detect electrified detection circuit that whether secondary cable core charge and for detect secondary cable core break-make to line detection circuit, the electrified detection circuit connects the second end of test pencil jack with the other end to line detection circuit.The pointer of test pencil uses crocodile clip, and secondary cable core is fixed, it is no longer necessary to pointer be kept to be contacted with measured object manually, therefore, it may be convenient to which the control button on manual knob panel realizes live testing and line is tested.
Description
Technical field
The utility model is related to cables to check technical field, is that one kind is used to reduce secondary cable core core specifically
To the device of time.
Background technology
Secondary cable is generally auxiliary body's control cable, such as signal is transmitted and used with control, can be small by electric current, does
A high current cable of energization.Cable has power cable, control cable, compensating cable, shielded cable, high-temperature cable, calculating
Electric cable, signal cable, coaxial cable, fire-resisting cable, cable for ship, mine cable, aluminium alloy cable etc..They be all by
Sub-thread or stranded conductor and insulating layer composition, for connecting circuit, electric appliance etc..In the installment work of substation, relay protection,
The combination connection of the secondary devices such as control, signal, failure wave-recording is required to realize by controlling cable.Secondary circuit is before wiring
Proof-reading should all be carried out, to ensure conducting wire and wire connection terminal or the correct line of component.One medium scale 110kV becomes
The quantity of Control of Power Plant cable is even as many as thousands of with regard to that can reach hundreds of, so verification control secondary cable core verification is correct
Property and timeliness become as a committed step in installation process, the accurate and speed of core verification directly affects entire power transformation
Stand installation efficiency.Traditional cable core is checked using Full automatic cable aligning device or multimeter break-make shelves, passes through the sound sent out
Light judges the correctness of core, there is a following drawback：Full automatic cable aligning device, volume is larger, is unfavorable for carrying；It applies and is changing
When making substation, the cable in some terminal boxs or screen does not have to remove, and is unfavorable for core verification；It can not judge line when checking core
Whether core charges, and personal safety is caused centainly to threaten.Multimeter：Using when noisy bad border, core core can not be heard
To correct sound, core is caused to crosscheck, reduce verification efficiency；When carrying out core verification using multimeter, due to ten thousand
It is pin type with table test pencil, can not effectively fixes public core.
Utility model content
The purpose of this utility model is to provide a kind of device for reducing the secondary cable core verification time, for solving
The problem of certainly core can not be fixed in secondary cable core audit process in the prior art.
In order to achieve the above object, the utility model is achieved through the following technical solutions：
A kind of device for reducing the secondary cable core verification time, including ontology, shell and panel, the ontology peace
Cased, the panel is detachably connected with shell, and circuit board is equipped on the ontology, and the circuit board is equipped with table
Penholder hole, the test pencil jack are connected with test pencil, and the pointer of the test pencil uses crocodile clip.
Operation principle：
When the verification of secondary cable core is carried out, the test pencil jack set on one end of test pencil and circuit board is connected
It connects, through-hole is provided on shell, the conducting wire for test pencil is passed through and connected with circuit board.The pointer of two test pencils respectively will be to be measured
The both ends of secondary cable core are clamped, and secondary cable core to be measured is fixed.It is provided on panel and is powered/breaks for circuit board
The detection button of electricity, for the electrification/to line testing button of live testing and verification core test, be used to indicate connecting and disconnecting of the circuit
Break-make indicator light and the electrification indicator light for being used to indicate whether electrification.Circuit board is placed in energization by the detection button in pressing panel
State, will charge/to line testing button knob to live testing position, if the secondary cable core band of two test pencil clampings
Electricity, then the electrification indicator light on panel is bright, and otherwise, electrification indicator light does not work.It carries out testing line if necessary, will charge/right
Line testing button is threaded to line test position, if the secondary cable core connection of two test pencil clampings, the break-make on panel
Indicator light is bright, and otherwise break-make indicator light does not work, and represents that secondary cable core is obstructed.During test, the pointer of test pencil is adopted
With crocodile clip, secondary cable core is fixed, it is no longer necessary to pointer be kept to be contacted with measured object manually, therefore, can facilitated
Manual knob panel on control button, realize live testing and to line test.
Further, the first end of the test pencil jack is connected with single-pole double-throw switch (SPDT) S1, the single-pole double-throw switch (SPDT) S1
Two stationary contacts be connected separately with for detecting electrified detection circuit that whether secondary cable core charge and for detecting two
The other end connection table penholder to line detection circuit, the electrified detection circuit and to line detection circuit of secondary cable core break-make
The second end in hole.
Operation principle：
The single-pole double-throw switch (SPDT) S1 being connect on circuit board with test pencil jack, the as electrification on panel/to line testing button,
Two stationary contacts are respectively used to connect live testing circuit and to line test circuit, i.e., by secondary cable core to be measured, test pencil with
And live testing circuit or to line test circuit composition circuit, be respectively utilized to complete secondary cable core live testing or
Line is tested.For the different testing requirements of secondary cable core, it is only necessary to adjust the movable contact connection of single-pole double-throw switch (SPDT) S1
Stationary contact then may be used.
Further, the electrified detection circuit rectifier circuit, 1 foot and the stationary contact of the rectifier circuit connect
It connects, is connected with filter capacitor C1 between 2 feet and 4 feet, 2 foot is connected with resistance R2 and resistance R3, and the resistance R3 is connected with
The first end of output terminal connection resistance R8 of optocoupler OPTOISO1, the optocoupler OPTOISO1 and the first end of resistance R9, it is described
The base stage of the second end connecting triode Q1 of resistance R8, the emitter of triode Q1 connect and are grounded with the second end of resistance R9,
One end of the collector connection buzzer BELL of triode Q1, the other end of buzzer BELL are connected with Light-emitting diode LED 1,
Light-emitting diode LED 1 passes through the anode of resistance R10 connection batteries BATTERY, the cathode ground connection of battery BATTERY.
Operation principle：
Electrified detection circuit on circuit board includes DC detecting and exchange to detect two kinds, charge when secondary cable core and
During for alternating current, after the rectification of over commutation bridge circuit and filter capacitor C1 filtering, direct current input is formed, by resistance R2 and resistance
Enter optocoupler OPTOISO1, optocoupler OPTOISO1 conductings after R3 current limlitings partial pressure, triode Q1 is connected, and buzzer BELL1 sends out sound
It rings, Light-emitting diode LED 1 shines, and Light-emitting diode LED 1 charges indicator light, when the electrification of secondary cable core and is direct current
When, it is only necessary to by a diode in rectifier bridge, enter optocoupler after then being divided using resistance R2 and resistance R3 current limlitings
OPTOISO1, optocoupler OPTOISO1 are connected, and triode Q1 conductings, buzzer BELL1 sends out the sound, and electrification indicator light is bright；If two
Secondary cable core is not charged, then optocoupler OPTOISO1 is not turned on, and triode Q1 cut-offs, buzzer BELL1 does not send out the sound, shines
Diode (LED) 1 does not work.When resistance R4 is adjustable resistance, for changing input threshold, when resistance R4 resistance values are bigger, secondary cable
Core electrified voltage can cause buzzer BELL1 to send out the sound when sufficiently large.
Further, it is described line detection circuit is included with the anode of the battery BATTERY be sequentially connected resistance R11,
Light-emitting diode LED 2 and buzzer BELL, the buzzer BELL are connected with the collector of triode Q2, the triode Q2
Emitter ground connection, base stage is connected with the first end of resistance R6, the first of the second end connection resistance R5 and resistance R7 of resistance R6
End, the second end of the resistance R5 connect the stationary contact of the single-pole double-throw switch (SPDT) S1, the second end ground connection of the resistance R7.
Operation principle：
When secondary cable core carry out live testing it is complete after, carry out to line test, by the electrification on panel/to line test
Button is threaded to line test position, first circuit is formed by battery BATTERY, test pencil, resistance R5, resistance R7, by battery
BATTERY, resistance R11, Light-emitting diode LED 2, buzzer BELL2, triode Q2, resistance R6 and resistance R7 composition Article 2
The conducting of triode Q2 in first circuit on condition that be connected, the base stage of triode Q2 is led in circuit, wherein Article 2 circuit
Be powered pressure.Therefore, only when the secondary cable core of test pencil clamping is access, the light emitting diode in Article 2 circuit
LED2, which just understands bright, buzzer BELL2, can just send out the sound, therefore, can be used for detecting the detecting line of secondary cable core.
Further, it the second end of the test pencil jack and the electrified detection circuit and is also gone here and there between line detection circuit
It is associated with inductance L1 and switch S2.
Operation principle：
S2, that is, detection button is switched, it, can be with when without detection for controlling the break-make in first circuit manually
The electricity of the battery BATTERY on circuit board is saved, inductance L1 is used to filter.
The utility model compared with prior art, has the following advantages and advantageous effect：
（1）The utility model during test, consolidated secondary cable core using crocodile clip by the pointer of test pencil
It is fixed, it is no longer necessary to pointer to be kept to be contacted with measured object manually, therefore, it may be convenient to the control button on manual knob panel,
It realizes live testing and line is tested.
（2）The utility model can be used for live testing and line tested, before testing line can first live testing, for
The secondary cable core of electrification, can properly protect measure.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the circuit diagram of circuit board；
Fig. 3 is the schematic enlarged-scale view of A in Fig. 1.
Specific embodiment
The utility model is described in further detail with reference to embodiment, but the embodiment of the utility model is not
It is limited to this.
Embodiment 1：
With reference to shown in attached drawing 1 and Fig. 3, a kind of device for reducing the secondary cable core verification time, including ontology, outside
Shell and panel, inside the shell, the panel is detachably connected with shell, and circuit is equipped on the ontology for the ontology installation
Plate, the circuit board are equipped with test pencil jack, and the test pencil jack is connected with test pencil, and the pointer of the test pencil uses crocodile clip
Formula.
Operation principle：
When the verification of secondary cable core is carried out, the test pencil jack set on one end of test pencil and circuit board is connected
It connects, through-hole is provided on shell, the conducting wire for test pencil is passed through and connected with circuit board.The pointer of two test pencils respectively will be to be measured
The both ends of secondary cable core are clamped, and secondary cable core to be measured is fixed.It is provided on panel and is powered/breaks for circuit board
The detection button of electricity, for the electrification/to line testing button of live testing and verification core test, be used to indicate connecting and disconnecting of the circuit
Break-make indicator light and the electrification indicator light for being used to indicate whether electrification.Circuit board is placed in energization by the detection button in pressing panel
State, will charge/to line testing button knob to live testing position, if the secondary cable core band of two test pencil clampings
Electricity, then the electrification indicator light on panel is bright, and otherwise, electrification indicator light does not work.It carries out testing line if necessary, will charge/right
Line testing button is threaded to line test position, if the secondary cable core connection of two test pencil clampings, the break-make on panel
Indicator light is bright, and otherwise break-make indicator light does not work, and represents that secondary cable core is obstructed.During test, the pointer of test pencil is adopted
With crocodile clip, secondary cable core is fixed, it is no longer necessary to pointer be kept to be contacted with measured object manually, therefore, can facilitated
Manual knob panel on control button, realize live testing and to line test.
Embodiment 2：
On the basis of embodiment 1, with reference to shown in attached drawing 1-3, the first end of the test pencil jack is connected with single-pole double throw
S1 is switched, two stationary contacts of the single-pole double-throw switch (SPDT) S1 are connected separately with what is whether charged for detecting secondary cable core
Electrified detection circuit and for detect secondary cable core break-make to line detection circuit, the electrified detection circuit and to line examine
The second end of the other end connection test pencil jack of slowdown monitoring circuit.
Operation principle：
The single-pole double-throw switch (SPDT) S1 being connect on circuit board with test pencil jack, the as electrification on panel/to line testing button,
Two stationary contacts are respectively used to connect live testing circuit and to line test circuit, i.e., by secondary cable core to be measured, test pencil with
And live testing circuit or to line test circuit composition circuit, be respectively utilized to complete secondary cable core live testing or
Line is tested.For the different testing requirements of secondary cable core, it is only necessary to adjust the movable contact connection of single-pole double-throw switch (SPDT) S1
Stationary contact then may be used.
Embodiment 3：
On the basis of embodiment 2, with reference to shown in attached drawing 1-3, the electrified detection circuit rectifier circuit, the rectification
1 foot of bridge circuit is connect with the stationary contact, and filter capacitor C1 is connected between 2 feet and 4 feet, and 2 foot is connected with resistance R2
The of the output terminal connection resistance R8 of optocoupler OPTOISO1, the optocoupler OPTOISO1 is connected with resistance R3, the resistance R3
One end and the first end of resistance R9, the base stage of the second end connecting triode Q1 of the resistance R8, the emitter of triode Q1 with
The second end of resistance R9 is connected and is grounded, and one end of the collector connection buzzer BELL of triode Q1, buzzer BELL's is another
One end is connected with Light-emitting diode LED 1, and Light-emitting diode LED 1 passes through the anode of resistance R10 connection batteries BATTERY, battery
The cathode ground connection of BATTERY.
Operation principle：
Electrified detection circuit on circuit board includes DC detecting and exchange to detect two kinds, charge when secondary cable core and
During for alternating current, after the rectification of over commutation bridge circuit and filter capacitor C1 filtering, direct current input is formed, by resistance R2 and resistance
Enter optocoupler OPTOISO1, optocoupler OPTOISO1 conductings after R3 current limlitings partial pressure, triode Q1 is connected, and buzzer BELL1 sends out sound
It rings, Light-emitting diode LED 1 shines, and Light-emitting diode LED 1 charges indicator light, when the electrification of secondary cable core and is direct current
When, it is only necessary to by a diode in rectifier bridge, enter optocoupler after then being divided using resistance R2 and resistance R3 current limlitings
OPTOISO1, optocoupler OPTOISO1 are connected, and triode Q1 conductings, buzzer BELL1 sends out the sound, and electrification indicator light is bright；If two
Secondary cable core is not charged, then optocoupler OPTOISO1 is not turned on, and triode Q1 cut-offs, buzzer BELL1 does not send out the sound, shines
Diode (LED) 1 does not work.When resistance R4 is adjustable resistance, for changing input threshold, when resistance R4 resistance values are bigger, secondary cable
Core electrified voltage can cause buzzer BELL1 to send out the sound when sufficiently large.
Further, it is described line detection circuit is included with the anode of the battery BATTERY be sequentially connected resistance R11,
Light-emitting diode LED 2 and buzzer BELL, the buzzer BELL are connected with the collector of triode Q2, the triode Q2
Emitter ground connection, base stage is connected with the first end of resistance R6, the first of the second end connection resistance R5 and resistance R7 of resistance R6
End, the second end of the resistance R5 connect the stationary contact of the single-pole double-throw switch (SPDT) S1, the second end ground connection of the resistance R7.
Operation principle：
When secondary cable core carry out live testing it is complete after, carry out to line test, by the electrification on panel/to line test
Button is threaded to line test position, first circuit is formed by battery BATTERY, test pencil, resistance R5, resistance R7, by battery
BATTERY, resistance R11, Light-emitting diode LED 2, buzzer BELL2, triode Q2, resistance R6 and resistance R7 composition Article 2
The conducting of triode Q2 in first circuit on condition that be connected, the base stage of triode Q2 is led in circuit, wherein Article 2 circuit
Be powered pressure.Therefore, only when the secondary cable core of test pencil clamping is access, the light emitting diode in Article 2 circuit
LED2, which just understands bright, buzzer BELL2, can just send out the sound, therefore, can be used for detecting the detecting line of secondary cable core.
Further, it the second end of the test pencil jack and the electrified detection circuit and is also gone here and there between line detection circuit
It is associated with inductance L1 and switch S2.
Operation principle：
S2, that is, detection button is switched, it, can be with when without detection for controlling the break-make in first circuit manually
The electricity of the battery BATTERY on circuit board is saved, inductance L1 is used to filter.
The above, is only the preferred embodiment of the utility model, and limit in any form is not done to the utility model
System, every any simple modification made according to the technical essence of the utility model to above example, equivalent variations, each falls within
Within the scope of protection of the utility model.
Claims (5)
1. a kind of device for reducing the secondary cable core verification time, including ontology, shell and panel, the ontology installation
Inside the shell, the panel is detachably connected with shell, which is characterized in that circuit board, the circuit are equipped on the ontology
Plate is equipped with test pencil jack, and the test pencil jack is connected with test pencil, and the pointer of the test pencil uses crocodile clip.
A kind of 2. device for reducing the secondary cable core verification time according to claim 1, which is characterized in that institute
The first end for stating test pencil jack is connected with two stationary contacts of single-pole double-throw switch (SPDT) S1, the single-pole double-throw switch (SPDT) S1 and connects respectively
Be useful for the electrified detection circuit that whether charges of detection secondary cable core and for detect secondary cable core break-make to line
Detection circuit, the electrified detection circuit connect the second end of test pencil jack with the other end to line detection circuit.
A kind of 3. device for reducing the secondary cable core verification time according to claim 2, which is characterized in that institute
Electrified detection circuit rectifier circuit is stated, 1 foot of the rectifier circuit connect with the stationary contact, connected between 2 feet and 4 feet
There is filter capacitor C1,2 foot is connected with resistance R2 and resistance R3, the resistance R3 are connected with optocoupler OPTOISO1, the light
The first end of output terminal connection resistance R8 of coupling OPTOISO1 and the first end of resistance R9, the second end connection three of the resistance R8
The base stage of pole pipe Q1, the emitter of triode Q1 connect and are grounded with the second end of resistance R9, the collector connection of triode Q1
One end of buzzer BELL, the other end of buzzer BELL are connected with Light-emitting diode LED 1, and Light-emitting diode LED 1 passes through electricity
Hinder the anode of R10 connection batteries BATTERY, the cathode ground connection of battery BATTERY.
A kind of 4. device for reducing the secondary cable core verification time according to claim 3, which is characterized in that institute
It states and line detection circuit is included to be sequentially connected resistance R11, Light-emitting diode LED 2 and buzzing with the anode of the battery BATTERY
Device BELL, the buzzer BELL are connected with the collector of triode Q2, the emitter ground connection of the triode Q2, base stage connection
There are the first end of resistance R6, the first end of the second end connection resistance R5 and resistance R7 of resistance R6, the second end of the resistance R5
Connect the stationary contact of the single-pole double-throw switch (SPDT) S1, the second end ground connection of the resistance R7.
A kind of 5. device for reducing the secondary cable core verification time according to claim 4, which is characterized in that institute
State test pencil jack second end and the electrified detection circuit and be also in series between line detection circuit inductance L1 and switch S2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721783620.2U CN207516486U (en) | 2017-12-19 | 2017-12-19 | A kind of device for reducing the secondary cable core verification time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721783620.2U CN207516486U (en) | 2017-12-19 | 2017-12-19 | A kind of device for reducing the secondary cable core verification time |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207516486U true CN207516486U (en) | 2018-06-19 |
Family
ID=62544564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721783620.2U Expired - Fee Related CN207516486U (en) | 2017-12-19 | 2017-12-19 | A kind of device for reducing the secondary cable core verification time |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207516486U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113933753A (en) * | 2021-09-19 | 2022-01-14 | 国网江苏省电力有限公司检修分公司 | Device for distinguishing secondary circuit of transformer substation and identifying cable |
-
2017
- 2017-12-19 CN CN201721783620.2U patent/CN207516486U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113933753A (en) * | 2021-09-19 | 2022-01-14 | 国网江苏省电力有限公司检修分公司 | Device for distinguishing secondary circuit of transformer substation and identifying cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180619 Termination date: 20181219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |