CN109342869A - A kind of household electrical line setting locator - Google Patents
A kind of household electrical line setting locator Download PDFInfo
- Publication number
- CN109342869A CN109342869A CN201811323300.8A CN201811323300A CN109342869A CN 109342869 A CN109342869 A CN 109342869A CN 201811323300 A CN201811323300 A CN 201811323300A CN 109342869 A CN109342869 A CN 109342869A
- Authority
- CN
- China
- Prior art keywords
- unit
- signal
- electrical line
- line setting
- processing unit
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/30—Structural combination of electric measuring instruments with basic electronic circuits, e.g. with amplifier
-
- 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
- G01R31/58—Testing of lines, cables or conductors
Abstract
The invention discloses a kind of household electrical line setting locators, are made of detecting signal unit, signal processing unit, response unit and four part of tool housing;Processed signal is transmitted to response unit by the input terminal of the end connection signal processing unit of the detecting signal unit, the signal processing unit;The signal processing unit includes amplifying unit and filter unit, and the response unit is constituted by a red LED lamp is in parallel with a buzzer, and the tool housing is placed in outside signal processing unit and response unit.Locator structure of the present invention is simple, small in size, strong antijamming capability;Measurement position and electrical line setting positional distance can effectively measure the laying position of electric wire in 15cm range, and guarantee error range in 3cm, and precision is high, high sensitivity.
Description
Technical field
The invention belongs to electrical engineering technical fields, and in particular to a kind of household electrical line setting locator, for detecting house
Determine that electric wire lays position in wall with electromagnetism around electric wire.
Background technique
Household electric wire is widely used in each family, but it is typically mounted on the wiring for being not easy to check electric wire inside metope
Position and the influence that inevitably will receive the various factors such as in-site installation, local defect in the process of running cause electric wire to break
Point brings it about operation troubles and causes power breakdown.Determine that electrical line setting position is very necessary, and raising security wire is reliable
The important measures of operation.Currently, being difficult to determine that electric wire exists since electric wire has usually just been arranged in wall in finishing by electric wire
It moves towards within the walls, determines that electrical line setting position brings cumbersome operation and a large amount of unnecessary times to operator.The technology
Have a very extensive ground demand in family life and electrician's finishing, but China to the research of electrical line setting position judgment technology still
In the starting stage.
Summary of the invention
Purpose of the invention is to overcome the shortcomings in the prior art, provides a kind of household electrical line setting locator, benefit
With electromagnetic induction technology, household electric wire breakpoint location is judged.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of household electrical line setting locator, by detecting signal unit, signal processing unit, response unit and tool housing
Four parts are constituted;The input terminal of the end connection signal processing unit of the detecting signal unit, the signal processing unit will
Processed signal is transmitted to response unit;The signal processing unit includes amplifying unit and filter unit, the response unit
It is constituted by a red LED lamp is in parallel with a buzzer, the tool housing is placed in outside signal processing unit and response unit
Portion.
Further, the detecting signal unit includes electromagnetic induction antenna.
Further, the electromagnetic induction antenna is used to acquire the electromagnetic signal of household electric wire, and electromagnetic signal is converted
For current signal, electromagnetic induction antenna is helical by the smooth fine copper silk winding in surface and capacitor is in series.
Further, the amplifying unit is made of a second amplifying circuit and a single-stage amplifying circuit, and being used for will
The collected low current signal of detection unit amplifies;The amplifying circuit uses transistor.
Further, the filter unit is made of a ceramic condenser, for filtering out AC signal, enhancing amplification effect
Fruit.
Further, the tool housing is made of epoxy resin and shielded layer;The shielded layer is made of and interior copper foil
In epoxy resin.
Compared with prior art, the beneficial effects brought by the technical solution of the present invention are as follows:
1. locator structure of the present invention is simple, small in size, strong antijamming capability;Measurement position and electrical line setting positional distance
The laying position of electric wire can be effectively measured in 15cm range, and guarantees error range in 3cm, and precision is high, high sensitivity.
2. electromagnetic induction sensor of the invention is copper wire material, has the characteristics that any bending, be adaptable to different shaped
Number, the household electric wire of size and installation site, further save sensor cost;It is realized in entire detection process non-
Contact measurement, testing staff are not necessarily to disassemble in electric wire and touch without with electric wire, high safety and reliability.
3. the present invention responds device as signal according to red LED lamp flashing and buzzer, i.e., existing visual signal has again
Voice signal gives operator's double check response method, and prevention response element damage causes the situation of measurement inaccuracy, more
Securely and reliably, multi-angle judges electric wire or breakpoint location.
4. the present invention is embedded into amplifying circuit using filter circuit, the weak electromagnetic that can effectively capture sensor is believed
Number effectively amplified, signal response is more accurate.
5. operation of the present invention is easy, detection working efficiency is effectively improved, the working time is reduced;And the power supply used is
Two dry cells of section five, are easily changed.
Detailed description of the invention
Fig. 1 is electric wire fault point locating device structural schematic diagram of the invention.
Fig. 2 is constructional device figure of the invention.
Appended drawing reference: 1, electromagnetic induction antenna;2, LED light;3, tool housing;4, battery case
Specific embodiment
The invention will be further described with reference to the accompanying drawing.
The invention discloses a kind of household electrical line setting locators, single by detecting signal unit, signal processing unit, response
Member and four part of tool housing are constituted;Main purpose is positioning when realizing breakpoint occur to household electric wire to breakpoint location, inspection
It surveys unit and the electromagnetic signal around electric wire is converted to electric signal input signal processing unit, treated signal is by display unit
It shows.
As shown in Figure 1, the effect of detecting signal unit is to convert telecommunications for the magnetic signal around electric wire in the present embodiment
Number, which is electromagnetic induction principle, that is, the conductor being placed in change magnetic flux can generate electromotive force.Detecting signal unit
The input terminal of end connection signal processing unit, signal processing unit include amplifying circuit and filter circuit, and the filter circuit is embedding
Enter between two-stage amplifying circuit and single-stage amplifying circuit, it is therefore an objective to keep amplification effect more obvious.Treated, and signal is incoming
Response unit is responded, and is for various ways response, prevention response using two kinds of response elements of red LED lamp and buzzer
Component wear causes the situation of measurement inaccuracy, and safer, multi-angle judges electric wire or breakpoint location.
As shown in Fig. 2, detecting signal unit is integrated on electromagnetic induction antenna 1 in the present embodiment;Electromagnetic induction antenna is used
In the electromagnetic signal of acquisition household electric wire, and current signal is converted by electromagnetic signal, electromagnetic induction antenna is mainly by surface light
Sliding fine copper silk winding is helically connected in series to the capacitor composition, and the copper wire diameter that electromagnetic induction antenna uses is 1mm, electromagnetic induction
Antenna diameter 10mm, long 50mm share 10 electromagnetic induction coils, screw pitch about 5mm;Spiral winding is connected with 30pF capacitor, is
Expansion measurement area spiral winding additional circular coil, spiral winding both ends are on circular coil and spiral winding passes through circle
The center of shape coil.
Specifically, signal processing unit is made of amplifying unit and filter unit, amplifying unit includes a second level amplification
Circuit and a monopole amplifying circuit, amplifier element be s9018NPN type transistor, for the bigger direct current signal that makes
To effective amplification, filter circuit is embedded in amplifying circuit, using ceramic disc capacitor, 0.1 μ F.
Specifically, response unit is a 3V red light emitting diodes 2 and the active long sound of 3V direct current of Risym board 0905
Electromagnetic buzzer parallel connection is constituted.
Specifically, 3 main body of tool housing uses epoxy resin, the material insulation property is good, and anti-pressure ability is strong, and waterproof is resistance to
The corrosion resistance that rubs is superior, one layer of copper foil is embedded among epoxy resin, for the spuious electromagnetism in shielding environment.The shielded layer
It is not in contact with the electromagnetic induction antenna of detecting signal unit.Power supply uses No. five dry cells of two sections, and battery case 4 is placed in instrument bottom
Portion.
Present inventor's electrical line setting locator, specific use environment and its method are as follows:
1, use environment
Height above sea level :≤1000m;
Operating temperature: -20 DEG C -40 DEG C;
Working relative humidity: 0-90%, no condensation;
Without fire, explosion danger, pollution severity chemical attack, high vibration, strong electromagnetic and lightning stroke place are tested and set
It is standby to want good earth.
2, application method
1. metope is close at the household wire retainer back side, longitudinally moved from the top down in metope certain.
2. setting in the detection faces and being laid with live wire, locator occurs to can determine whether out wall at response in moving process
Inside there is live wire.
3. can both find electric wire trend, repeating above-mentioned detection method can like the mobile wire retainer of circumference around the point
Judge household electric wire in the position laid within the walls.
The present invention is not limited to embodiments described above.Above the description of specific embodiment is intended to describe and say
Bright technical solution of the present invention, the above mentioned embodiment is only schematical, is not restrictive.This is not being departed from
In the case of invention objective and scope of the claimed protection, those skilled in the art may be used also under the inspiration of the present invention
The specific transformation of many forms is made, within these are all belonged to the scope of protection of the present invention.
Claims (6)
1. a kind of household electrical line setting locator, which is characterized in that by detecting signal unit, signal processing unit, response unit
And four part of tool housing is constituted;The input terminal of the end connection signal processing unit of the detecting signal unit, the signal
Processed signal is transmitted to response unit by processing unit;The signal processing unit includes amplifying unit and filter unit, institute
Response unit is stated to be constituted by a red LED lamp is in parallel with a buzzer, the tool housing be placed in signal processing unit and
Outside response unit.
2. a kind of household electrical line setting locator according to claim 1, which is characterized in that the detecting signal unit packet
Include electromagnetic induction antenna.
3. a kind of household electrical line setting locator according to claim 2, which is characterized in that the electromagnetic induction antenna is used
In the electromagnetic signal of acquisition household electric wire, and current signal is converted by electromagnetic signal, electromagnetic induction antenna is smooth by surface
The winding of fine copper silk is helically and capacitor is in series.
4. a kind of household electrical line setting locator according to claim 1, which is characterized in that the amplifying unit is by one
Second amplifying circuit and a single-stage amplifying circuit are constituted, and are put for will test the collected low current signal of unit
Greatly;The amplifying circuit uses transistor.
5. a kind of household electrical line setting locator according to claim 1, which is characterized in that the filter unit is by one
Ceramic condenser is constituted, and for filtering out AC signal, enhances amplification effect.
6. a kind of household electrical line setting locator according to claim 1, which is characterized in that the tool housing is by epoxy
Resin and shielded layer are constituted;The shielded layer is made of copper foil and is embedded in epoxy resin.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811323300.8A CN109342869A (en) | 2018-11-08 | 2018-11-08 | A kind of household electrical line setting locator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811323300.8A CN109342869A (en) | 2018-11-08 | 2018-11-08 | A kind of household electrical line setting locator |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109342869A true CN109342869A (en) | 2019-02-15 |
Family
ID=65314167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811323300.8A Pending CN109342869A (en) | 2018-11-08 | 2018-11-08 | A kind of household electrical line setting locator |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109342869A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109946565A (en) * | 2019-03-20 | 2019-06-28 | 天津大学 | A kind of household electric wire fault point locating device |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204203393U (en) * | 2014-07-22 | 2015-03-11 | 浙江商业职业技术学院 | Electric wire breaking point detection circuit |
US20160054364A1 (en) * | 2014-08-25 | 2016-02-25 | I Shou University | Power monitoring system for a power system, and power monitoring device thereof |
CN107229002A (en) * | 2017-06-26 | 2017-10-03 | 仲杏英 | Electric wire breaking point detection device |
CN108333475A (en) * | 2018-02-02 | 2018-07-27 | 西安沣源智能装备科技有限公司 | A kind of contactless fault location signal processing method |
CN207799102U (en) * | 2017-12-29 | 2018-08-31 | 重庆远为科技有限责任公司 | Electromagnetic induction type detector wire |
CN207799110U (en) * | 2017-12-29 | 2018-08-31 | 重庆远为科技有限责任公司 | Electric wire detection device with positioning function |
CN207799109U (en) * | 2017-12-29 | 2018-08-31 | 重庆远为科技有限责任公司 | Multi-functional domestic detector wire |
CN207799104U (en) * | 2017-12-29 | 2018-08-31 | 重庆远为科技有限责任公司 | Detector wire with illumination functions |
CN207799103U (en) * | 2017-12-29 | 2018-08-31 | 重庆远为科技有限责任公司 | Electric wire detection circuit |
CN207851322U (en) * | 2017-12-29 | 2018-09-11 | 重庆远为科技有限责任公司 | Electric wire detection system with portable RFID detector |
-
2018
- 2018-11-08 CN CN201811323300.8A patent/CN109342869A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204203393U (en) * | 2014-07-22 | 2015-03-11 | 浙江商业职业技术学院 | Electric wire breaking point detection circuit |
US20160054364A1 (en) * | 2014-08-25 | 2016-02-25 | I Shou University | Power monitoring system for a power system, and power monitoring device thereof |
CN107229002A (en) * | 2017-06-26 | 2017-10-03 | 仲杏英 | Electric wire breaking point detection device |
CN207799102U (en) * | 2017-12-29 | 2018-08-31 | 重庆远为科技有限责任公司 | Electromagnetic induction type detector wire |
CN207799110U (en) * | 2017-12-29 | 2018-08-31 | 重庆远为科技有限责任公司 | Electric wire detection device with positioning function |
CN207799109U (en) * | 2017-12-29 | 2018-08-31 | 重庆远为科技有限责任公司 | Multi-functional domestic detector wire |
CN207799104U (en) * | 2017-12-29 | 2018-08-31 | 重庆远为科技有限责任公司 | Detector wire with illumination functions |
CN207799103U (en) * | 2017-12-29 | 2018-08-31 | 重庆远为科技有限责任公司 | Electric wire detection circuit |
CN207851322U (en) * | 2017-12-29 | 2018-09-11 | 重庆远为科技有限责任公司 | Electric wire detection system with portable RFID detector |
CN108333475A (en) * | 2018-02-02 | 2018-07-27 | 西安沣源智能装备科技有限公司 | A kind of contactless fault location signal processing method |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109946565A (en) * | 2019-03-20 | 2019-06-28 | 天津大学 | A kind of household electric wire fault point locating device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103235036B (en) | Based on pick-up unit and the method for the differentiation inside and outside wall defect of electromagnetic detection signal | |
CN108414908B (en) | Cathode protection insulation tester and testing method thereof | |
CN203881834U (en) | AC-DC current wireless monitoring equipment | |
CN204030866U (en) | A kind of temperature measuring equipment for hydraulic generator stator and rotor windings | |
CN106090627A (en) | A kind of drain pipe choke detecting method based on capacitance method and device | |
CN109900966A (en) | Transmission tower grounding impedance measuring system | |
CN109342869A (en) | A kind of household electrical line setting locator | |
CN107449957A (en) | One kind is based on maglev high voltage ac/dc electroscopic device | |
EP2482090A1 (en) | System for measuring partial discharges in power lines | |
CN110501665A (en) | A kind of comparison device of system for radiated susceptibility test equipment | |
CN104391168A (en) | System and method for inspecting grounding current of accessories of single-core cable having voltage grade above 35kV | |
CN109946565A (en) | A kind of household electric wire fault point locating device | |
CN107340421A (en) | A kind of current sensor | |
CN207164128U (en) | One kind is based on maglev high voltage testing device | |
CN207557405U (en) | A kind of high-tension cable charges partial discharge detection sensor | |
CN112462126B (en) | Track circuit outdoor equipment with non-contact voltage acquisition function | |
CN107907802A (en) | A kind of powered partial discharge detection sensor of high-tension cable and its application process | |
CN109444685A (en) | A kind of high-tension cable charges non-contact partial discharge detecting sensor and application method | |
CN205539420U (en) | Magnetism barkhausen and magnetism parameter sensor | |
CN211652678U (en) | Detachable coil | |
CN207976226U (en) | Extra long distance reads the quick access device of digital temperature sensor data | |
CN208847359U (en) | A kind of radio temperature sensor | |
CN203024887U (en) | Support-type thermoscope | |
CN208013304U (en) | Electrically-charging equipment grounding-for-lightning device portable detector | |
CN103163210A (en) | Determinator of water content of concrete |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190215 |