CN203337761U - Multifunctional line-correcting device - Google Patents
Multifunctional line-correcting device Download PDFInfo
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- CN203337761U CN203337761U CN2012205705611U CN201220570561U CN203337761U CN 203337761 U CN203337761 U CN 203337761U CN 2012205705611 U CN2012205705611 U CN 2012205705611U CN 201220570561 U CN201220570561 U CN 201220570561U CN 203337761 U CN203337761 U CN 203337761U
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- 238000012360 testing method Methods 0.000 claims abstract description 21
- 230000006698 induction Effects 0.000 claims abstract description 12
- 238000012937 correction Methods 0.000 claims description 14
- 239000003990 capacitor Substances 0.000 claims description 12
- 238000012795 verification Methods 0.000 claims description 8
- 238000009527 percussion Methods 0.000 claims description 7
- 238000010422 painting Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract 2
- 230000005611 electricity Effects 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 239000002699 waste material Substances 0.000 description 1
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model discloses a multifunctional line-correcting device which is characterized in that a 30 omega bridge detection circuit is constituted by ICM7555 and that an induction detection circuit is constituted by an audion test pen circuit. The multifunctional line-correcting device is used as a secondary line-correcting tool for cable on-site construction process of electric power projects or telecommunication projects. The multifunctional line-correcting device is used for onsite cable connection in electric power projects or telecommunication projects, fast search of cable cores, fast positioning for the secondary fault of electric equipment and inner faults of an electronic circuit. In practical operation, the multifunctional line-correcting device has a sound protection function which is characterized in that circuits are not damaged even when being touched by 220 V high-voltage power, and has advantages of long standby time, a small volume and complete functions of line-correcting testing. The multifunctional line-correcting device integrates functions of line-correcting, electricity testing and induction line-correcting. By using the induction line-correcting function, the cable insulation and secondary on-off of the circuit can be quickly detected, and the testing efficiency is high. The multifunctional line-correcting device is convenient and practical and has popularization value and good marketing prospect.
Description
Technical field
The utility model belongs to secondary school the Line tool commonly used in the cable connection construction.
Background technology
In telecommunications and electric secondary work progress, cable checking is indispensable important process link, it is required in the field engineering technician making simple non-damageable Multifunctional cable correction unit, and resistance-type electric bridge testing circuit is widely used, and generally all discharge circuit, consists of.But existing school the Line tool complex structure, cost is high, and efficiency is low.
The utility model content
The deficiency that the utility model exists for solving above-mentioned prior art, be provided for fast finding cable core in power cable or communication cable wiring construction, locates fast the Multifunctional cable correction unit of the internal fault of electrical equipment and electronic circuit.
The utility model adopts following technical scheme: Multifunctional cable correction unit, one end of the Vout of the booster circuit VR of this Multifunctional cable correction unit+5V power end and resistance R 1 is connected, with an end of resistance R 3, be connected, with the 4 pin RESET ends of ICM7555, with 8 pin+VCC end, be connected, the end of Homeway.com Chinese percussion instrument LSI is connected, and with an end of K switch 2, is connected;
The end of the test chart tip of the brushstyle of a writing or painting and fuse FUSE1 is connected, one end of the other end of fuse FUSE1 and resistance R 2 is connected, with an end of capacitor C 1 and K switch 1, be connected, the other end of resistance R 2 is connected with the other end of resistance R 1, with the 2 pin TRIG ends of ICM7555, be connected, be connected with the positive terminal of diode D1, form the relation that is connected in series between D1, D2, D3, D4;
The 6 pin THOLD ends of the other end of resistance R 3 and ICM7555 are connected with 7 pin DISCHG ends, with the end of capacitor C2, be connected, the 3 pin OUT ends of ICM7555 are connected with an end of resistance R 4, with an end of resistance R 5, be connected, the other end of resistance R 5 is connected with the base stage of triode Q2, the other end of the collector Homeway.com Chinese percussion instrument LSI of triode Q2 connects, and the other end of resistance R 4 is connected with the positive pole of light emitting diode D5;
One end of the test chart tip of the brushstyle of a writing or painting and resistance R 7 is connected, one end of the other end of resistance R 7 and resistance R 8 is connected, with the base stage of triode Q3, be connected, with an end of digital display circuit, be connected, the other end of digital display circuit is connected with electrical verification button AN1, and the collector of triode Q3 is connected with the base stage of triode Q4, and the emitter of triode Q4 is connected with the positive terminal of light emitting diode D8, and be connected with induction electrical verification button AN2, light emitting diode D8 negative pole is connected with the positive pole of 3V button cell CELL;
The other end of K switch 2 is connected with the positive terminal of LED 2, and the negative pole end of LED 2 is connected with the positive pole of diode D7;
1.5V the end of the positive terminal of battery Battery and power switch K3 is connected, the Vin pin of the other end of power switch K3 and booster circuit VR is connected;
1.5V the GND pin of the negative pole end of battery Battery and booster circuit VR is connected, with the negative pole of diode D7, be connected, with the emitter of triode Q2, be connected, with the negative pole of 3V button cell CELL, be connected, with the collector of triode Q4, be connected, with the emitter of triode Q3, be connected, with the 1 pin GND end of ICM7555, be connected, with the other end of resistance R 8, be connected, with the negative pole of diode D4, be connected, be connected with the other end of capacitor C2, be connected with the other end of capacitor C 1 with K switch 1, be connected with the clip ground wire.It is the secondary school the Line tool for the cable site operation process of electric power or Communication Engineering.
Multifunctional cable correction unit and old-fashioned battery lamp alveolitoid correcting line machine contrast table
| The contrast project | The old-fashioned correcting line machine of battery bulb | The DXX-1 Multifunctional cable correction unit |
| Cost accounting | The single cost of manufacture is low, but uses for a long time the battery cost higher | Once investment is larger, and long-term use cost is lower |
| Weight (g) | 200 | 80 |
| Power supply | No. 1 battery of 2 joints | No. 5 batteries of 1 joint |
| Working current (mA) | 300 | 200 |
| Electroscope function | Nothing | Have |
| Induction school line function | Nothing | Have |
| Illumination functions | Electric current 300 mA during illumination are arranged | Electric current 100mA during illumination is arranged |
| The battery altering function | Nothing | Have, use rechargeable battery more to save |
| Defencive function | Contact with forceful electric power to burn out and scrap and can not use | Defencive function is perfect, and the contact forceful electric power is changed protective tube and can be continued to use |
| Pairing | Need pairing | Without pairing |
Also can not damage the characteristics of circuit even have the perfect contact of defencive function 220V forceful electric power through on-the-spot actual use, stand-by time is long, and volume is small and exquisite, and test function is complete.When resistance sound and light alarm during in little 30 Ω, on-the-spot school line waits for that without waiting for listening gets final product.There is school line, electrical verification and induction school line function in one, also have LED floodlighting function, prepare against urgent need.Facts have proved the Multifunctional cable correction unit technology maturation, perfect in shape and function, the characteristics such as stand-by time is long, No. 5 dry cells of use 1 joint can be for a long time without characteristics such as replacing batteries, product is trial-produceed successfully, the break-make situation that can examine and determine fast cable insulation and secondary circuit by induction school line function, testing efficiency is very high.
The accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is Multifunctional cable correction unit electrical equipment theory diagram.
Fig. 2 is Multifunctional cable correction unit appliance circuit figure.
Embodiment
Shown in accompanying drawing 1-2, one end of the Vout of the booster circuit VR of Multifunctional cable correction unit of the present utility model+5V power end and resistance R 1 is connected, with an end of resistance R 3, be connected, with the 4 pin RESET ends of ICM7555, with 8 pin+VCC end, be connected, the end of Homeway.com Chinese percussion instrument LSI is connected, and with an end of K switch 2, is connected;
The end of the test chart tip of the brushstyle of a writing or painting and fuse FUSE1 is connected, one end of the other end of fuse FUSE1 and resistance R 2 is connected, with an end of capacitor C 1 and K switch 1, be connected, the other end of resistance R 2 is connected with the other end of resistance R 1, with the 2 pin TRIG ends of ICM7555, be connected, be connected with the positive terminal of diode D1, form the relation that is connected in series between D1, D2, D3, D4;
The 6 pin THOLD ends of the other end of resistance R 3 and ICM7555 are connected with 7 pin DISCHG ends, with the end of capacitor C2, be connected, the 3 pin OUT ends of ICM7555 are connected with an end of resistance R 4, with an end of resistance R 5, be connected, the other end of resistance R 5 is connected with the base stage of triode Q2, the other end of the collector Homeway.com Chinese percussion instrument LSI of triode Q2 connects, and the other end of resistance R 4 is connected with the positive pole of light emitting diode D5;
One end of the test chart tip of the brushstyle of a writing or painting and resistance R 7 is connected, one end of the other end of resistance R 7 and resistance R 8 is connected, with the base stage of triode Q3, be connected, with an end of digital display circuit, be connected, the other end of digital display circuit is connected with electrical verification button AN1, and the collector of triode Q3 is connected with the base stage of triode Q4, and the emitter of triode Q4 is connected with the positive terminal of light emitting diode D8, and be connected with induction electrical verification button AN2, light emitting diode D8 negative pole is connected with the positive pole of 3V button cell CELL;
The other end of K switch 2 is connected with the positive terminal of LED 2, and the negative pole end of LED 2 is connected with the positive pole of diode D7;
1.5V the end of the positive terminal of battery Battery and power switch K3 is connected, the Vin pin of the other end of power switch K3 and booster circuit VR is connected;
1.5V the GND pin of the negative pole end of battery Battery and booster circuit VR is connected, with the negative pole of diode D7, be connected, with the emitter of triode Q2, be connected, with the negative pole of 3V button cell CELL, be connected, with the collector of triode Q4, be connected, with the emitter of triode Q3, be connected, with the 1 pin GND end of ICM7555, be connected, with the other end of resistance R 8, be connected, with the negative pole of diode D4, be connected, be connected with the other end of capacitor C2, be connected with the other end of capacitor C 1 with K switch 1, be connected with the clip ground wire.It is the secondary school the Line tool for the cable site operation process of electric power or Communication Engineering.
One, principle of work
1, the cable checking function is by ICM7555 the electric circuit constitute 30 Ω electric bridge testing circuits, by the high-brightness luminous pipe with seek Chinese percussion instrument and export as acousto-optic.
2, in order to guarantee that the 30 Ω electric bridge testing circuit normal operations of ICM7555 the electric circuit constitute adopt 1.5V to boost to the 5V circuit, can also work even this booster circuit cell voltage reduces 0.8V.
3, by protective tube and current-limiting resistance and overvoltage diode circuit composition forceful electric power holding circuit.
4, the electrical circuit inspection test voltage shows magnitude of voltage, and has high brightness luminescent warning test point to have voltage to exist.
5, induction school line function is searched cable core by probe and human body resistance or clip ground wire, and efficiency is higher.
6, LED lamp and booster circuit form lighting circuit.
Two, using method:
1, the paired school of cable line function: send call signal by K switch 1 to the other side after electrical verification, the other side's correcting line machine core is correctly with regard to the acousto-optic demonstration, and offside sends call signal by pushbutton switch to this side again, and the demonstration of this side acousto-optic shows school line success.
2, the self-correcting line, without by pushbutton switch, just can check the loop break-make by probe and clip ground wire.
3, induction school line function: a side cable is shorted to the earth, and opposite side should be tested button by press sense and find core, and testing efficiency is very high.
4, by induction test function test cable insulation situation: LED luminotron when good that insulate during without electric cable core when the probe contact should not work, otherwise the insulation of tackling cable is checked.
5, can realize self-checking function by button K1 at ordinary times, if while pressing, acoustic-optic indicator normally mean that the correcting line machine duty well can normally be used.
Three, on-the-spot result of use
At the scene in the construction, use this Multifunctional cable correction unit, can carry out the school line to cable very easily, test voltage is also very accurately directly perceived, but use this correcting line machine fast detecting cable insulation situation in engineering, for having guaranteed construction quality, increase work efficiency, reduce rejection and waste and play good exemplary role.
Claims (1)
1. a Multifunctional cable correction unit, it is characterized in that: an end of the Vout of the booster circuit VR of this Multifunctional cable correction unit+5V power end and resistance R 1 is connected, with an end of resistance R 3, be connected, with the 4 pin RESET ends of ICM7555, with 8 pin+VCC end, be connected, the end of Homeway.com Chinese percussion instrument LSI is connected, and with an end of K switch 2, is connected;
The end of the test chart tip of the brushstyle of a writing or painting and fuse FUSE1 is connected, one end of the other end of fuse FUSE1 and resistance R 2 is connected, with an end of capacitor C 1 and K switch 1, be connected, the other end of resistance R 2 is connected with the other end of resistance R 1, with the 2 pin TRIG ends of ICM7555, be connected, be connected with the positive terminal of diode D1, form the relation that is connected in series between D1, D2, D3, D4;
The 6 pin THOLD ends of the other end of resistance R 3 and ICM7555 are connected with 7 pin DISCHG ends, with the end of capacitor C2, be connected, the 3 pin OUT ends of ICM7555 are connected with an end of resistance R 4, with an end of resistance R 5, be connected, the other end of resistance R 5 is connected with the base stage of triode Q2, the other end of the collector Homeway.com Chinese percussion instrument LSI of triode Q2 connects, and the other end of resistance R 4 is connected with the positive pole of light emitting diode D5;
One end of the test chart tip of the brushstyle of a writing or painting and resistance R 7 is connected, one end of the other end of resistance R 7 and resistance R 8 is connected, with the base stage of triode Q3, be connected, with an end of digital display circuit, be connected, the other end of digital display circuit is connected with electrical verification button AN1, and the collector of triode Q3 is connected with the base stage of triode Q4, and the emitter of triode Q4 is connected with the positive terminal of light emitting diode D8, and be connected with induction electrical verification button AN2, light emitting diode D8 negative pole is connected with the positive pole of 3V button cell CELL;
The other end of K switch 2 is connected with the positive terminal of LED 2, and the negative pole end of LED 2 is connected with the positive pole of diode D7;
1.5V the end of the positive terminal of battery Battery and power switch K3 is connected, the Vin pin of the other end of power switch K3 and booster circuit VR is connected;
1.5V the GND pin of the negative pole end of battery Battery and booster circuit VR is connected, with the negative pole of diode D7, be connected, with the emitter of triode Q2, be connected, with the negative pole of 3V button cell CELL, be connected, with the collector of triode Q4, be connected, with the emitter of triode Q3, be connected, with the 1 pin GND end of ICM7555, be connected, with the other end of resistance R 8, be connected, with the negative pole of diode D4, be connected, be connected with the other end of capacitor C2, be connected with the other end of capacitor C 1 with K switch 1, be connected with the clip ground wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205705611U CN203337761U (en) | 2012-11-01 | 2012-11-01 | Multifunctional line-correcting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205705611U CN203337761U (en) | 2012-11-01 | 2012-11-01 | Multifunctional line-correcting device |
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| Publication Number | Publication Date |
|---|---|
| CN203337761U true CN203337761U (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012205705611U Expired - Lifetime CN203337761U (en) | 2012-11-01 | 2012-11-01 | Multifunctional line-correcting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316843A (en) * | 2014-11-15 | 2015-01-28 | 国网吉林省电力有限公司电力科学研究院 | Secondary circuit cable checking method and device based on series circuit |
-
2012
- 2012-11-01 CN CN2012205705611U patent/CN203337761U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316843A (en) * | 2014-11-15 | 2015-01-28 | 国网吉林省电力有限公司电力科学研究院 | Secondary circuit cable checking method and device based on series circuit |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |