CN206710530U - Cable core break-make detects warning device - Google Patents
Cable core break-make detects warning device Download PDFInfo
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- CN206710530U CN206710530U CN201720523583.5U CN201720523583U CN206710530U CN 206710530 U CN206710530 U CN 206710530U CN 201720523583 U CN201720523583 U CN 201720523583U CN 206710530 U CN206710530 U CN 206710530U
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Abstract
Cable core break-make of the present utility model detects warning device, including voltage cable sample circuit, voltage comparator circuit, 555 triggers circuits, sound light alarming circuit, voltage cable sample circuit connects voltage comparator circuit, voltage comparator circuit connects 555 triggers circuits, 555 triggers circuits connect sound light alarming circuit, it is inconvenient for operation effectively to solve current cable core detection, the problem of wasting time and energy.The utility model is simple to operate, efficiency high, one end of cable core need to be only sequentially inserted into relay array socket, draw sampled voltage corresponding to break-make, itself and reference voltage are compared by in-phase voltage comparator, export low and high level pulse, be converted to the trigger pulse of precipitous, the certain pulse duty factor in edge by 555 triggers circuits again, sound light alarming circuit gives the Chang Liang of LED 1, loudspeaker LS1 sends continuous alarm sound or LED 1 flashes for driving, loudspeaker LS1 sends the instruction directly perceived of interrupted alarm.
Description
Technical field
It the utility model is related to cable detection technical field, particularly cable core break-make detection warning device.
Background technology
At present, in the market cable core detection using to line by the way of, it is necessary to cable both ends arrange two operate
Personnel, it is common to complete being operated to line for cable, and also in operation, both sides are carried out using modes such as intercom, phones more
The detection of cable, it is inconvenient for operation, and waste time and energy.
Therefore the utility model provides a kind of new scheme to solve this problem.
The content of the invention
For the above situation, to overcome the defect of prior art, the purpose of the utility model is exactly the inspection of cable core break-make
Measuring alarming device, it is inconvenient for operation effectively to solve the detection of current cable core, the problem of wasting time and energy.
Its technical scheme solved is, including voltage cable sample circuit, voltage comparator circuit, 555 triggers circuits, acousto-optic
Warning circuit, voltage cable sample circuit connection voltage comparator circuit, voltage comparator circuit connect 555 triggers circuits, 555 triggerings
Circuit connects sound light alarming circuit；The voltage cable sample circuit includes cable core J2, and cable core J2 can be more cores
Line, cable core J2 pin 1, pin 2 connect relay switch array J1 pin 1, pin 4, relay switch battle array respectively
The pin 2 and pin 5 for arranging J1 connect resistance R1 one end, and the resistance R1 other end connects grounding resistance R2 one end, resistance respectively
R4 one end, relay switch array J1 pin 3 and pin 6 connection diode D1 negative pole, diode D1 positive pole connection
Power supply+15V.
The voltage comparator circuit includes the operational amplifier A R1 in-phase input end connection resistance R4 other end, computing
Amplifier the AR1 connection of vcc ends power supply+5V, operational amplifier A R1 gnd ends connection ground, operational amplifier A R1's is anti-phase defeated
Enter end connection variable resistor RP1 intermediate ends, variable resistor RP1 upper end connection resistance R5 one end, the resistance R5 other end
Connect power supply+5V, variable resistor RP1 lower end connection resistance R6 one end, resistance R6 other end connection ground.
555 triggers circuit includes NE555 chips U1, NE555 chip U1 pin 4 and pin 8 connects power supply+5V,
NE555 chips U1 pin 2 connects NE555 chips U1 pin 6, operational amplifier A R1 output end, the one of resistance R7 respectively
End, variable capacitance C0 one end, variable capacitance C0 other end connection ground, the resistance R7 other end connect chip U's 1 respectively
One end of pin 7, resistance R8, resistance the R8 other end connection power supply+5V, chip U 1 connection of pin 1 ground, NE555 chips U1
Pin 5 connect electric capacity C1 one end, resistance R9 one end respectively, the electric capacity C1 other end connects with the resistance R9 other end
Ground, chip U 1 pin 3 connect resistance R10 one end.
The sound light alarming circuit includes triode Q1, the triode Q2 base stage connection resistance R10 other end, triode
Q1 emitter stage connection ground, triode Q1 colelctor electrode connection loudspeaker LS1 negative pole, loudspeaker LS1 positive pole connect respectively
Resistance R12 one end, the negative pole of LED 1, the positive pole connection resistance R11 of LED 1 one end, resistance
The R11 other end connects power supply+5V with the resistance R12 other end.
The utility model is simple to operate, efficiency high, only one end of cable core need to be sequentially inserted into relay array socket
It is interior, sampled voltage corresponding to break-make is drawn, itself and reference voltage are compared by in-phase voltage comparator, export low and high level
Pulse, then the trigger pulse of precipitous, the certain pulse duty factor in edge is converted to by 555 triggers circuits, driving sound and light alarm electricity
The Chang Liang of LED 1 is given on road, loudspeaker LS1 sends continuous alarm sound or LED 1 flashes, loudspeaker
LS1 sends the instruction directly perceived of interrupted alarm.
Brief description of the drawings
Fig. 1 is the circuit link block figure that the utility model cable core break-make detects warning device.
Fig. 2 is the circuit catenation principle figure that the utility model cable core break-make detects warning device.
Embodiment
About of the present utility model foregoing and other technology contents, feature and effect, in following cooperation with reference to figures 1 through figure
In the detailed description of 2 pairs of embodiments, can clearly it present.The structure content being previously mentioned in following examples, it is with explanation
Book accompanying drawing is reference.
Each exemplary embodiment of the present utility model is described below with reference to accompanying drawings.
Embodiment one, cable core break-make detection warning device, including voltage cable sample circuit leading to cable core
It is disconnected, corresponding magnitude of voltage is converted into, voltage comparator circuit is sent into, with normal cable make-and-break voltage（Reference voltage）It is compared,
Low and high level pulse is exported, low and high level pulse is converted to precipitous, the certain pulse duty factor in edge by 555 triggers circuits
Trigger pulse, drive sound light alarming circuit working condition and working time；The voltage cable sample circuit is used for cable core
The break-make of line, is converted into corresponding magnitude of voltage, should be first with short-circuited conducting sleeve by all of cable core J2 one end before starting break-make detection
Cored wire short circuit, another to terminate on relay switch array J1, relay switch array J1 is used for connecing the cored wire of cable
Enter switching, all cored wires are grounded through resistance R1 and R2 by the normally-closed contact of corresponding relay, when detecting 1# cored wires, closed
The first group relay in relay switch array J1 is closed, closes the normally opened contact of the first group relay ,+15V passes through diode
D1, cable core are added on resistance R1 and R2, and voltage comparator circuit is sent to after R1 and R2 partial pressures, if surveyed cored wire breaks
Road, then no voltage be sent to voltage comparator circuit, can similarly detect more cored wires successively.
Embodiment two, on the basis of embodiment one, the voltage comparator circuit is for by surveyed make-and-break voltage and normally
Cable make-and-break voltage（Reference voltage）It is compared, exports low and high level pulse, because cable degree of aging is different, reference voltage
Also difference, including operational amplifier A R1 in-phase input end are provided by surveyed voltage through resistance R4, operational amplifier A R1 vcc
End connection power supply+5V, operational amplifier A R1 gnd ends connection, voltage on the basis of operational amplifier A R1 inverting input
End, the bleeder circuit being made up of variable resistor RP1, resistance R5, resistance R6 provide, and regulation variable resistor RP1 can adjust benchmark electricity
Pressure value.
Embodiment three, on the basis of embodiment one, 555 triggers circuit is used for the height for exporting voltage comparator circuit
Low level pulse, the trigger pulse of precipitous, the certain pulse duty factor in edge, including NE555 chip U1 are converted to, chip U1's
Pin 4 and pin 8 are power end, when switch on power+5V when, chip U1 pin 2 connects drawing for chip U1 respectively for triggering end
Pin 6, operational amplifier A R1 output end, resistance R7 one end, variable capacitance C0 one end, the variable capacitance C0 other end connect
Ground connection, the resistance R7 other end connect chip U 1 pin 7, resistance R8 one end, resistance R8 other end connection power supply respectively
+ 5V, now resistance R7, resistance R8, operational amplifier A R1 output end signal carry out charge and discharge, electricity to variable capacitance C0（Work as cable
Cored wire connect when, when when cable core disconnects, variable capacitance C0 electric discharge offer pulse）, the adjustable cores of adjustment variable capacitance C0
Piece U1 pulse frequencies, chip U 1 connection of pin 1 ground, chip U1 pin 5 is control terminal, connects ground capacity C1's respectively
One end and grounding resistance R9 one end, adjustment resistance R9, electric capacity C1 value, the width of 555 chip U1 control pulses is can adjust, i.e.,
The time of cable break-make sound and light alarm is adjusted, chip U 1 pin 3 connects resistance R10, and resistance R10 plays output short circuit protection
Effect.
Example IV, on the basis of embodiment one, the sound light alarming circuit, which is used to work as, detects any one cable
When cored wire is connected or disconnected, NE555 chips U1 OUT terminal exports the control pulse of different pulse duty factors, when cable core connects
When logical, frequency is low, the high level of broad pulse is added to NPN type triode Q1 base stage through resistance R10, due to NPN type triode
Q1 emitter stage connection ground, now NPN type triode Q1 adds forward bias saturation conduction, and NPN type triode Q1 current collections are extremely
Current potential, now power supply+5V, resistance R11, LED 1, ground potential form the loop of current flowing, light emitting diode
LED1 Chang Liang, while power supply+5V, resistance R12, loudspeaker LS1, ground potential form the loop connection of current flowing, loudspeaker LS1
Continuous alarm sound is sent, when cable core disconnects, high-frequency, the high level of burst pulse are driven luminous two in sound light alarming circuit
Pole pipe LED1 flickers, loudspeaker LS1 send interrupted alarm.
The utility model when in use, before starting the detection of cable core break-make, first with short-circuited conducting sleeve by cable core J2 one end
All cored wire short circuits, every cored wire is connected on relay switch array J1 by the other end, when detecting 1# cored wires, closing relay
First group relay in device switch arrays J1, close the normally opened contact of the first group relay ,+15V passes through diode D1, electricity
Core is added on resistance R1 and R2, and operational amplifier A R1 in-phase input end is sent to after R1 and R2 partial pressures, if surveyed
Cored wire open circuit, then no voltage is sent to operational amplifier A R1 in-phase input end, the inverting input with operational amplifier A R1
Normal cable make-and-break voltage（Reference voltage）It is compared, exports low and high level pulse, because cable degree of aging is different, benchmark
Voltage also can be adjusted accordingly, then the trigger pulse of precipitous, the certain pulse duty factor in edge is converted to through 555 triggers circuits, be driven
Dynamic sound light alarming circuit gives the Chang Liang of LED 1, loudspeaker LS1 sends continuous alarm sound or light emitting diode
LED1 flickers, loudspeaker LS1 send the instruction directly perceived of interrupted alarm.
Claims (4)
1. cable core break-make detect warning device, including voltage cable sample circuit, voltage comparator circuit, 555 triggers circuits,
Sound light alarming circuit, it is characterised in that voltage cable sample circuit connects voltage comparator circuit, voltage comparator circuit connection 555
Triggers circuit, 555 triggers circuits connection sound light alarming circuit；
The voltage cable sample circuit includes cable core J2, and cable core J2 can be more cored wires, and cable core J2's draws
Pin 1, pin 2 connect relay array J1 pin 1, pin 4, relay array J1 pin 2 and pin 5 connection resistance respectively
R1 one end, the resistance R1 other end connect grounding resistance R2 one end, resistance R4 one end, relay array J1 pin respectively
3 and pin 6 connect diode D1 negative pole, diode D1 positive pole connection power supply+15V.
2. cable core break-make according to claim 1 detects warning device, it is characterised in that the voltage comparator circuit
The other end of in-phase input end connection resistance R4 including operational amplifier A R1, operational amplifier A R1 vcc ends connection power supply+
5V, operational amplifier A R1 gnd ends connection ground, operational amplifier A R1 inverting input connection variable resistor RP1 centre
End, variable resistor RP1 upper end connection resistance R5 one end, resistance R5 other end connection power supply+5V, variable resistor RP1's
Lower end connection resistance R6 one end, resistance R6 other end connection ground.
3. cable core break-make according to claim 1 detects warning device, it is characterised in that 555 triggers circuit
The pin 2 that pin 4 and pin 8 including NE555 chips U1, NE555 chip U1 connect power supply+5V, NE555 chip U1 connects respectively
NE555 chips U1 pin 6, operational amplifier A R1 output end, resistance R7 one end, variable capacitance C0 one end are connect, it is variable
Electric capacity C0 other end connection ground, the resistance R7 other end connect chip U 1 pin 7, resistance R8 one end, resistance R8 respectively
The other end connection power supply+5V, chip U 1 the connection of pin 1 ground, NE555 chips U1 pin 5 connects the one of electric capacity C1 respectively
End, resistance R9 one end, the electric capacity C1 other end connect ground with the resistance R9 other end, and chip U 1 pin 3 connects resistance
R10 one end.
4. cable core break-make according to claim 1 detects warning device, it is characterised in that the sound light alarming circuit
Including triode Q1, the triode Q2 base stage connection resistance R10 other end, triode Q1 emitter stage connection ground, triode
Q1 colelctor electrode connection loudspeaker LS1 negative pole, the negative pole of LED 1, loudspeaker LS1 positive pole connection resistance R12
One end, the positive pole connection resistance R11 of LED 1 one end, the resistance R11 other end and the resistance R12 other end
Connect power supply+5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720523583.5U CN206710530U (en) | 2017-05-12 | 2017-05-12 | Cable core break-make detects warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720523583.5U CN206710530U (en) | 2017-05-12 | 2017-05-12 | Cable core break-make detects warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206710530U true CN206710530U (en) | 2017-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720523583.5U Expired - Fee Related CN206710530U (en) | 2017-05-12 | 2017-05-12 | Cable core break-make detects warning device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132407A (en) * | 2017-12-13 | 2018-06-08 | 国网山东省电力公司枣庄供电公司 | Core aligning device for cables and method |
| CN109917219A (en) * | 2019-03-18 | 2019-06-21 | 芜湖航飞科技股份有限公司 | A kind of core of a cable detection system and detection method |
| CN112710968A (en) * | 2020-11-19 | 2021-04-27 | 中广核核电运营有限公司 | Secondary circuit rapid detection on-off device |
| CN113690843A (en) * | 2021-10-26 | 2021-11-23 | 江苏德鲁特电气设备有限公司 | Power supply device for preventing short circuit |
-
2017
- 2017-05-12 CN CN201720523583.5U patent/CN206710530U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132407A (en) * | 2017-12-13 | 2018-06-08 | 国网山东省电力公司枣庄供电公司 | Core aligning device for cables and method |
| CN109917219A (en) * | 2019-03-18 | 2019-06-21 | 芜湖航飞科技股份有限公司 | A kind of core of a cable detection system and detection method |
| CN109917219B (en) * | 2019-03-18 | 2021-05-11 | 芜湖航飞科技股份有限公司 | Cable harness detection system and detection method |
| CN112710968A (en) * | 2020-11-19 | 2021-04-27 | 中广核核电运营有限公司 | Secondary circuit rapid detection on-off device |
| CN113690843A (en) * | 2021-10-26 | 2021-11-23 | 江苏德鲁特电气设备有限公司 | Power supply device for preventing short circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190801 Address after: 476400 Lubei, West Section of Xingxing Avenue, Xiayi County, Shangqiu City, Henan Province Patentee after: Xiayi Jintai Technology Development Co., Ltd. Address before: 476400 Industrial Park, Xiayi County, Shangqiu City, Henan Province (Industrial Agglomeration Area) Patentee before: Henan Yida Cable Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 Termination date: 20210512 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |