CN201654112U - Non-contact line hunting testing electroprobe - Google Patents
Non-contact line hunting testing electroprobe Download PDFInfo
- Publication number
- CN201654112U CN201654112U CN2010200261070U CN201020026107U CN201654112U CN 201654112 U CN201654112 U CN 201654112U CN 2010200261070 U CN2010200261070 U CN 2010200261070U CN 201020026107 U CN201020026107 U CN 201020026107U CN 201654112 U CN201654112 U CN 201654112U
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- test
- contact line
- electroprobe
- circuit
- hunting
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Abstract
The utility model discloses a non-contact line hunting testing electroprobe, which comprises a shell, a detecting head protruding out of one end of the shell, a circuit board arranged in an inner cavity of the shell and an indicator connected with the circuit board. The detecting head comprises a metal sheet and an insulating layer coated on the metal sheet. The circuit board comprises a line hunting circuit and a testing circuit. The testing circuit is connected with the metal sheet. The non-contact line hunting testing electroprobe also comprises a carbon rod coil. The carbon rod coil is arranged in the inner cavity of the shell, is close to the detecting head and is connected with the line hunting circuit. The non-contact line hunting testing electroprobe has the advantages of simple structure, convenient carrying, convenient use and rapid testing and not only can safely conveniently test whether a tested object is electriferous or not and test polarity of the tested object, but also has a function of hunting a target cable.
Description
Technical field
The utility model relates to the hunting field tests, relates more specifically to a kind of non-contact line haunting test electroprobe.
Background technology
The mancarried device whether searching target cable, detection cable voltage exist is electric device, the necessary equipment of repairing.
Whether detection cable voltage exists is generally undertaken by the test electroprobe, present test electroprobe is divided into two classes: i.e. contact and contactless, contact test electroprobe generally is in series by test contact, current-limiting resistance, neon tube, metal clips and hand touched electrode, test contact is contacted with measured object, staff contact hand touched electrode, when measured object has high voltage relative to the earth, the neon tube starter, expression measured object live testing electroprobe self needn't charged source; The non-contact testing electroprobe generally is the electromagnetic field by the induction charging object, shinny or send the sound and show that object is charged through amplifying the rear drive pilot lamp, test electroprobe self must charged source, and the non-contact testing pen comprises test nib and penholder, and circuit board and battery thereof are installed in the penholder chamber.
The general line finder that is used to seek the target cable carries out, the sound signal of sending by clapp oscillator inserts on the port of target cable by general-purpose interfaces such as RJ45/RJ11, make produce around the target cord loop one around signal field, utilize the very fast signal field that it sends with end identification in the loop of line finder on the way, thereby find the cable of these clauses and subclauses.
But, also do not have a kind of device can realize seeking the target cable simultaneously and detect cable voltage whether have two functions at present.
Therefore, be necessary to provide a kind of and can realize simultaneously detecting whether cable voltage exists and the non-contact line haunting test electroprobe of seeking the target cable overcomes above-mentioned defective.
The utility model content
The purpose of this utility model provides a kind of non-contact line haunting test electroprobe, simple in structure, be easy to carry, easy to use, test fast, not only can measure whether charged and polarity of measured object safe ready, and have the function of seeking the target cable simultaneously.
For achieving the above object, the utility model provides a kind of non-contact line haunting test electroprobe, comprise shell, be stretched on described shell one end detecting head, be located at the circuit board of described shell inner cavity and connect the indicator of described circuit board, described detecting head comprises sheet metal and coats the insulation course of described sheet metal, described circuit board comprises hunting circuit and test circuit, and described test circuit connects described sheet metal; Described non-contact line haunting test electroprobe also comprises the carbon-point coil, and described carbon-point coil is located at the close described detecting head of described shell inner cavity and is connected described hunting circuit
Preferably, described test circuit comprises sampling unit, AD conversion unit, microprocessor recognition unit.
Preferably, described hunting circuit comprises that frequency-selecting receiving element, amplifying unit, demodulating unit and microprocessor identification produce audio unit.
Preferably, described hunting circuit comprises frequency-selecting receiving element, amplifying unit and frequency unit.
Preferably, described indicator is LCD LCD, LED light emitting diode, loudspeaker, earphone or hummer.
Preferably, described non-contact line haunting test electroprobe also comprises the voltage readings device, and described voltage readings device connects described test circuit.
Compared with prior art, the utility model non-contact line haunting test electroprobe adopt the carbon-point coil respectively with hunting circuit or test circuit in conjunction with realizing hunting or surveying the electric work energy, simple in structure, be easy to carry, easy to use, test fast, not only can measure whether charged and polarity of measured object safe ready, and fast and effeciently search out the target cable simultaneously.
By following description also in conjunction with the accompanying drawings, it is more clear that the utility model will become, and these accompanying drawings are used to explain embodiment of the present utility model.
Description of drawings
Fig. 1 is the structural representation of the utility model non-contact line haunting test electroprobe.
Fig. 2 is the theory diagram of the test circuit of the utility model non-contact line haunting test electroprobe.
Fig. 3 is the theory diagram of the hunting circuit of the embodiment one of the utility model non-contact line haunting test electroprobe.
Fig. 4 is the theory diagram of the hunting circuit of the embodiment two of the utility model non-contact line haunting test electroprobe.
Embodiment
With reference now to accompanying drawing, describe embodiment of the present utility model, the similar elements label is represented similar elements in the accompanying drawing.As mentioned above, the utility model provides a kind of non-contact line haunting test electroprobe, simple in structure, be easy to carry, easy to use, test fast, not only can measure whether charged and polarity of measured object, and the while fast and effeciently searches out the target cable safe ready.
Please refer to Fig. 1, be the structural representation of the utility model non-contact line haunting test electroprobe.As shown in Figure 1; the utility model non-contact line haunting test electroprobe 100 comprises shell 10, be stretched on the detecting head 20 of described shell 10 front ends, be located at the circuit board 30 of inner chamber of described shell 10 and the indicator 50 that is connected with described circuit board 30; described detecting head 20 comprises sheet metal 21 and coats the insulation course 22 of described sheet metal 21; described sheet metal 21 is used for the electromagnetic field of induction charging object; when detecting, do not need described sheet metal 21 is directly contacted with charged object, and described insulation course 22 plays a protective role when detecting.Described circuit board 30 comprises test circuit 31 and hunting circuit 32, and described test circuit 31 is by the sheet metal 21 of lead and described detecting head 20.Described non-contact line haunting test electroprobe 100 also comprises carbon-point coil 40, and described carbon-point coil 40 is located at the close described detecting head of inner chamber of described shell 10 and is connected hunting circuit 32.When utilizing the utility model non-contact line haunting test electroprobe 100 to detect voltage, be sent to described test circuit 31 behind the signal of sensing by the sheet metal 21 of described detecting head 20 and handle, show by the indicator 50 that connects described circuit board 30 then and read the magnitude of voltage that measures with the voltage readings device 60 that is connected described test circuit 31; When utilizing the utility model non-contact line haunting test electroprobe 100 to seek the target cable, receive by described carbon-point coil 40 frequency-selectings and be sent to described hunting circuit 32 behind the signal of sensing and carry out showing by described indicator 50 after the signal Processing.Preferably, described indicator 50 is LCD LCD, LED light emitting diode, loudspeaker, earphone or hummer.
Particularly, please refer to Fig. 2, test the theory diagram of the test circuit 31 of electroprobe 100 for the utility model non-contact line haunting.Described test circuit 31 comprises sampling unit 311, AD conversion unit 312 and microprocessor recognition unit 313.When utilizing the utility model non-contact line haunting test electroprobe 100 to detect voltage, the signal of sensing by the sheet metal 21 of described detecting head 20 is introduced into described sampling unit 311 and takes a sample, entering described AD conversion unit 312 through the simulating signal after the sampling carries out analog to digital conversion and forms data-signal, described data-signal enters described microprocessor recognition unit 313 and discerns the sound signal that also corresponding generation is used to drive described indicator 50, at last, described sound signal enters described indicator 50 and 60 demonstrations of described voltage readings device.
Please refer to Fig. 3, be the theory diagram of the hunting circuit 32 of the embodiment one of the utility model non-contact line haunting test electroprobe.Described hunting circuit 32 comprises that described hunting circuit comprises that frequency-selecting receiving element 321, amplifying unit 322, demodulating unit 323 and microprocessor identification produce audio unit 324.When utilizing the utility model non-contact line haunting test electroprobe 100 to seek the target cable, described frequency receiving element 321 is connected with described carbon-point coil 40 and frequency-selecting receives the modulation signal that induction is launched by transmitter (figure does not show), then the modulation signal that receives is amplified after described demodulating unit 323 carries out demodulation through described amplifying unit 322, modulation signal after demodulation enters described 324 of audio units of microprocessor identification generation and discerns and produce corresponding sound signal, and the output terminal of described identification generation audio unit connects described indicator 50 and sound signal is shown by described indicator 50.
Please refer to Fig. 4, be the theory diagram of the hunting circuit 32 ' of second embodiment of the utility model non-contact line haunting test electroprobe.As shown in the figure, described hunting circuit 32 ' comprises frequency-selecting receiving element 321 ', amplifying unit 322 ' and frequency unit 323 '.When utilizing the utility model non-contact line haunting test electroprobe to seek the target cable, described frequency receiving element 321 ' is connected with described carbon-point coil 40 and frequency-selecting receives induction by transmitting that transmitter (figure does not show) sends, transmitting after described amplifying unit 322 ' amplifies further of will receiving then carried out frequency division and is formed for driving the sound signal of described indicator 50 through described frequency unit 323 ', and the output terminal of described frequency unit 323 ' connects described indicator and sound signal is shown by described indicator 50.
From as can be known above-mentioned, the utility model non-contact line haunting test electroprobe 100 is owing to adopt carbon-point coil 40 to realize hunting or survey the electric work energy with hunting circuit 32 or test circuit 31 combinations respectively, simple in structure, test fast, not only can measure whether charged and polarity of measured object safe ready, and have function, thereby safety and improved the work efficiency that detects across Insulation test.
Abovely the utility model is described, but the utility model is not limited to the embodiment of above announcement, and should contains various modification, equivalent combinations of carrying out according to essence of the present utility model in conjunction with most preferred embodiment.
Claims (6)
1. a non-contact line haunting is tested electroprobe, comprise shell, be stretched on described shell one end detecting head, be located at the circuit board of described shell inner cavity and connect the indicator of described circuit board, described detecting head comprises sheet metal and coats the insulation course of described sheet metal, it is characterized in that: described circuit board comprises hunting circuit and test circuit, and described test circuit connects described sheet metal; Described non-contact line haunting test electroprobe also comprises the carbon-point coil, and described carbon-point coil is located at the close described detecting head of described shell inner cavity and is connected described hunting circuit.
2. non-contact line haunting test electroprobe as claimed in claim 1, it is characterized in that: described test circuit comprises sampling unit, AD conversion unit, microprocessor recognition unit.
3. non-contact line haunting test electroprobe as claimed in claim 1 is characterized in that: described hunting circuit comprises that frequency-selecting receiving element, amplifying unit, demodulating unit and microprocessor identification produce audio unit.
4. non-contact line haunting is as claimed in claim tested electroprobe, and it is characterized in that: described hunting circuit comprises frequency-selecting receiving element, amplifying unit and frequency unit.
5. non-contact line haunting test electroprobe as claimed in claim 1, it is characterized in that: described indicator is LCD LCD, LED light emitting diode, loudspeaker, earphone or hummer.
6. non-contact line haunting test electroprobe as claimed in claim 1, it is characterized in that: also comprise the voltage readings device, described voltage readings device connects described test circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200261070U CN201654112U (en) | 2010-01-05 | 2010-01-05 | Non-contact line hunting testing electroprobe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200261070U CN201654112U (en) | 2010-01-05 | 2010-01-05 | Non-contact line hunting testing electroprobe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201654112U true CN201654112U (en) | 2010-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200261070U Expired - Fee Related CN201654112U (en) | 2010-01-05 | 2010-01-05 | Non-contact line hunting testing electroprobe |
Country Status (1)
| Country | Link |
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| CN (1) | CN201654112U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360053A (en) * | 2011-08-31 | 2012-02-22 | 巩义市供电公司 | Method for finding out specific reticule from middle of wiring harnesses |
| CN103837789A (en) * | 2014-02-21 | 2014-06-04 | 苏州路之遥科技股份有限公司 | Wire coupling induction detecting device |
| CN106771508A (en) * | 2016-12-29 | 2017-05-31 | 佛山市顺德区奥能电工器材有限公司 | A kind of multifunction test pencil |
| CN109683052A (en) * | 2019-01-14 | 2019-04-26 | 优利德科技(中国)股份有限公司 | A kind of device and method detecting alternating electromagnetic valve system |
| CN110133363A (en) * | 2019-05-30 | 2019-08-16 | 北京机械设备研究所 | A kind of detection device and method of cable level change |
| CN114924150A (en) * | 2022-05-18 | 2022-08-19 | 深圳市力子光电科技有限公司 | Detection device and system for detecting aging performance of electrical components |
-
2010
- 2010-01-05 CN CN2010200261070U patent/CN201654112U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360053A (en) * | 2011-08-31 | 2012-02-22 | 巩义市供电公司 | Method for finding out specific reticule from middle of wiring harnesses |
| CN103837789A (en) * | 2014-02-21 | 2014-06-04 | 苏州路之遥科技股份有限公司 | Wire coupling induction detecting device |
| CN106771508A (en) * | 2016-12-29 | 2017-05-31 | 佛山市顺德区奥能电工器材有限公司 | A kind of multifunction test pencil |
| CN109683052A (en) * | 2019-01-14 | 2019-04-26 | 优利德科技(中国)股份有限公司 | A kind of device and method detecting alternating electromagnetic valve system |
| CN110133363A (en) * | 2019-05-30 | 2019-08-16 | 北京机械设备研究所 | A kind of detection device and method of cable level change |
| CN110133363B (en) * | 2019-05-30 | 2021-01-15 | 北京机械设备研究所 | Cable level change detection device and method |
| CN114924150A (en) * | 2022-05-18 | 2022-08-19 | 深圳市力子光电科技有限公司 | Detection device and system for detecting aging performance of electrical components |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20150105 |
|
| EXPY | Termination of patent right or utility model |