CN204496018U - A kind of low cost concealed wire detector circuit - Google Patents
A kind of low cost concealed wire detector circuit Download PDFInfo
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- CN204496018U CN204496018U CN201520202865.6U CN201520202865U CN204496018U CN 204496018 U CN204496018 U CN 204496018U CN 201520202865 U CN201520202865 U CN 201520202865U CN 204496018 U CN204496018 U CN 204496018U
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- resistance
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- diode
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Abstract
The utility model discloses a kind of low cost concealed wire detector circuit, comprise potentiometer RP1, double base diode Q1, resistance R1 and triode V1, one end of described resistance R1 connects the emitter of antenna A and double base diode Q1, other end contact resistance R2, the electric capacity C1 of resistance R1, electric capacity C3, the negative electrode of diode D1, the negative pole of hummer B and power supply E.The detector volume that the utility model concealed wire detector circuit structure is simple, components and parts are few, therefore produce is little, easy to carry, circuit has abandoned complexity simultaneously, only use basic electronic component design, significantly increase the anti-interference of circuit, therefore this detector has low, easy to carry, the jamproof advantage of cost of manufacture.
Description
Technical field
The utility model relates to a kind of line probers, specifically a kind of low cost concealed wire detector circuit.
Background technology
In the buildings in modern times, electric wires etc. are normally arranged to concealed wire form, this brings conveniently to the finishing etc. of buildings, what too increase in buildings is attractive in appearance, but bring trouble also to the maintenance etc. of circuit simultaneously, especially the fault of concealed wire is difficult to be found in the ordinary course of things, therefore need to use concealed wire detecting device to determine the particular location of concealed wire, the most volume of dark line detection device is in the market large, carry inconvenient problem, and its internal detection circuit mostly is chip structure, easily be subject to the interference of ac magnetic field, the precision of impact detection.
Utility model content
The purpose of this utility model is the low cost concealed wire detector circuit providing a kind of stable performance, Based Intelligent Control, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of low cost concealed wire detector circuit, comprise potentiometer RP1, double base diode Q1, resistance R1 and triode V1, one end of described resistance R1 connects the emitter of antenna A and double base diode Q1, the other end contact resistance R2 of resistance R1, electric capacity C1, electric capacity C3, the negative electrode of diode D1, the negative pole of hummer B and power supply E, the first base stage contact resistance R3 of double base diode Q1 and the stiff end with potentiometer RP1, the other end of the second base stage contact resistance R2 of double base diode Q1 and the other end of electric capacity C1, the base stage of the other end connecting triode V1 of resistance R3, another stiff end of potentiometer RP1 connects the sliding end of potentiometer RP1, the other end of electric capacity C3, the emitter of triode V1, the emitter of triode V3 and switch S, the collector of triode V1 connects the base stage of electric capacity C2 and triode V2, the emitter of triode V2 connects the anode of diode D1, the other end contact resistance R4 of electric capacity C2, the collector of the other end connecting triode V3 of resistance R4, the stiff end of potentiometer RP2 and the sliding end of potentiometer RP2, another stiff end of potentiometer RP2 connects the other end of hummer B, the other end of switch S connects the positive pole of power supply E.
As preferred version of the present utility model: described diode D1 is light emitting diode.
As preferred version of the present utility model: described power supply E is 3V direct current.
Compared with prior art, the beneficial effects of the utility model are: the utility model concealed wire detector circuit structure is simple, components and parts are few, the detector volume therefore produced is little, easy to carry, circuit has abandoned complexity simultaneously, only use basic electronic component design, significantly increase the anti-interference of circuit, therefore this detector has low, easy to carry, the jamproof advantage of cost of manufacture.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of low cost concealed wire detector circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, a kind of low cost concealed wire detector circuit, comprises potentiometer RP1, double base diode Q1, resistance R1 and triode V1, it is characterized in that, one end of described resistance R1 connects the emitter of antenna A and double base diode Q1, the other end contact resistance R2 of resistance R1, electric capacity C1, electric capacity C3, the negative electrode of diode D1, the negative pole of hummer B and power supply E, the first base stage contact resistance R3 of double base diode Q1 and the stiff end with potentiometer RP1, the other end of the second base stage contact resistance R2 of double base diode Q1 and the other end of electric capacity C1, the base stage of the other end connecting triode V1 of resistance R3, another stiff end of potentiometer RP1 connects the sliding end of potentiometer RP1, the other end of electric capacity C3, the emitter of triode V1, the emitter of triode V3 and switch S, the collector of triode V1 connects the base stage of electric capacity C2 and triode V2, the emitter of triode V2 connects the anode of diode D1, the other end contact resistance R4 of electric capacity C2, the collector of the other end connecting triode V3 of resistance R4, the stiff end of potentiometer RP2 and the sliding end of potentiometer RP2, another stiff end of potentiometer RP2 connects the other end of hummer B, the other end of switch S connects the positive pole of power supply E.
Diode D1 is light emitting diode.
Power supply E is 3V direct current.
Principle of work of the present utility model is: double base diode Q1, resistance R1, resistance R2, potentiometer RP1 and antenna A form electric field detecting head.V1 is electronic control switch.Triode V2, triode V3, electric capacity C2, resistance R4 form low frequency Voltage-Controlled oscillation circuit.Light emitting diode D1, hummer B are detection electric field signal, acousto-optic instruction.S is power switch.E is power supply, and double base diode Q1 has high input impedance. very sensitive to voltage response, and be voltage controlled element. detecting head utilizes its above-mentioned characteristic and makes.When being connected with alternating current in concealed wire. around wire, just produce alternating electric field.When antenna A senses alternating electric field signal voltage, the voltage between G, S of double base diode Q1 changes, so the resistance between D, S also changes, causes electric current between D, S also to change.Pressure drop simultaneously on potentiometer RP1 also changes thereupon, and results of these changes, makes the base stage of triode V1 obtain trigger pip and conducting.The conducting of triode V1, starts low frequency Voltage-Controlled oscillation circuit. and make light emitting diode D1 luminous, hummer B sends sound, instruction concealed wire position.The detector volume that circuit structure is simple, components and parts are few, therefore produce is little, easy to carry, circuit has abandoned complexity simultaneously, only use basic electronic component design, significantly increase the anti-interference of circuit, therefore this detector has low, easy to carry, the jamproof advantage of cost of manufacture.
Claims (3)
1. a low cost concealed wire detector circuit, comprises potentiometer RP1, double base diode Q1, resistance R1 and triode V1, it is characterized in that, one end of described resistance R1 connects the emitter of antenna A and double base diode Q1, the other end contact resistance R2 of resistance R1, electric capacity C1, electric capacity C3, the negative electrode of diode D1, the negative pole of hummer B and power supply E, the first base stage contact resistance R3 of double base diode Q1 and the stiff end with potentiometer RP1, the other end of the second base stage contact resistance R2 of double base diode Q1 and the other end of electric capacity C1, the base stage of the other end connecting triode V1 of resistance R3, another stiff end of potentiometer RP1 connects the sliding end of potentiometer RP1, the other end of electric capacity C3, the emitter of triode V1, the emitter of triode V3 and switch S, the collector of triode V1 connects the base stage of electric capacity C2 and triode V2, the emitter of triode V2 connects the anode of diode D1, the other end contact resistance R4 of electric capacity C2, the collector of the other end connecting triode V3 of resistance R4, the stiff end of potentiometer RP2 and the sliding end of potentiometer RP2, another stiff end of potentiometer RP2 connects the other end of hummer B, the other end of switch S connects the positive pole of power supply E.
2. a kind of low cost concealed wire detector circuit according to claim 1, it is characterized in that, described diode D1 is light emitting diode.
3. a kind of low cost concealed wire detector circuit according to claim 1, it is characterized in that, described power supply E is 3V direct current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520202865.6U CN204496018U (en) | 2015-04-07 | 2015-04-07 | A kind of low cost concealed wire detector circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520202865.6U CN204496018U (en) | 2015-04-07 | 2015-04-07 | A kind of low cost concealed wire detector circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204496018U true CN204496018U (en) | 2015-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520202865.6U Expired - Fee Related CN204496018U (en) | 2015-04-07 | 2015-04-07 | A kind of low cost concealed wire detector circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN204496018U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113933903A (en) * | 2021-11-24 | 2022-01-14 | 国网山东省电力公司威海市文登区供电公司 | Power supply hidden line detector and detection method |
-
2015
- 2015-04-07 CN CN201520202865.6U patent/CN204496018U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113933903A (en) * | 2021-11-24 | 2022-01-14 | 国网山东省电力公司威海市文登区供电公司 | Power supply hidden line detector and detection method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20160407 |