CN204613322U - A kind of wire detector - Google Patents
A kind of wire detector Download PDFInfo
- Publication number
- CN204613322U CN204613322U CN201520210631.6U CN201520210631U CN204613322U CN 204613322 U CN204613322 U CN 204613322U CN 201520210631 U CN201520210631 U CN 201520210631U CN 204613322 U CN204613322 U CN 204613322U
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- CN
- China
- Prior art keywords
- probe
- slide rheostat
- power supply
- capacitor
- housing
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- 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.)
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Abstract
The utility model provides a kind of wire detector, comprises power supply, multivibrator, detecting module, described multivibrator is connected between described power supply and described detecting module, described detecting module is given for generation of audible sine ripple oscillator signal, described detecting module comprises slide rheostat R1, capacitor C1, earphone, first probe, second probe, the first end of described slide rheostat R1 is popped one's head in by described capacitor C1 and described first and is connected, second end and described second of described slide rheostat R1 is popped one's head in and is connected, the first end of described earphone is connected with the slippery fellow of described slide rheostat R1, second end of described earphone and described capacitor C1, the tie point that described first probe is connected connects.The beneficial effects of the utility model: provide a kind of wire detector, can fast finding to line alignment, described wire panel detector structure is simple, and cost is low.
Description
Technical field
The utility model relates to a kind of sniffer, particularly relates to a kind of wire detector.
Background technology
The more and more finer and closely woven complexity of cabling of current electronic circuit pcb board (copper-clad plate); certain difficulty is brought to maintenance circuit; particularly when there is no the technical information such as corresponding circuit theory diagrams; how to know the wire (being namely line alignment) be connected with known point; the efficient means of current shortage, search often through methods such as visual inspection, multimeter Blind Test, sometimes even need the protective paint scraping local line off to measure or take off part components and parts and check; waste time and energy, efficiency is extremely low.In prior art, the metal detector in common security field can judge neighbouring with or without metal object, principle of work: to the spatial emission electromagnetic wave around it during metal detector work, form electromagnetic field, near metal object detector near time (in relative movement), disturbance can be caused to the electromagnetic field formed around detector, the change of metal detector detection of electromagnetic fields, thus find this metal object, but for very close two or more metal objects the wire of dense arrangement (particularly on PCB), it almost cannot make a distinction.
Summary of the invention
The purpose of this utility model is to solve the problem that prior art wastes time and energy when searching line alignment, provides a kind of wire detector, can fast finding to line alignment.
The utility model is achieved in that a kind of wire detector, comprises power supply, multivibrator, detecting module, described multivibrator is connected between described power supply and described detecting module, described detecting module is given for generation of audible sine ripple oscillator signal, described detecting module comprises slide rheostat R1, capacitor C1, earphone, first probe, second probe, the first end of described slide rheostat R1 is popped one's head in by described capacitor C1 and described first and is connected, second end and described second of described slide rheostat R1 is popped one's head in and is connected, the first end of described earphone is connected with the slippery fellow of described slide rheostat R1, second end of described earphone and described capacitor C1, the tie point that described first probe is connected connects.
Further, described multivibrator comprises NPN type triode Q1, NPN type triode Q2, electric capacity C2, electric capacity C3, resistance R2, resistance R3 and resistance R4, the collector of described triode Q1 is connected with the base stage of described triode Q2 by electric capacity C2, the collector of described triode Q2 is connected with the base stage of described triode Q1 by electric capacity C3, the emitter of described triode Q1 is connected with described triode Q2 emitter and is connected with the negative pole of described power supply, the two ends of described electric capacity C2 are respectively by resistance R2, resistance R3 is connected with the positive pole of described power supply, one end of described electric capacity C3 is connected with the positive pole of described power supply by resistance R4, the other end of described electric capacity C3 is connected with second end of described slide rheostat R1, the first end of described slide rheostat R1 is connected with the positive pole of described power supply.
Further, described wire detector also comprises electrochemical capacitor C4, described electrochemical capacitor C4 and described power sources in parallel.
Further, described wire detector also comprises work indicating module, and described work indicating module comprises resistance R5, LED, the series circuit of described resistance R5 and described LED and described power sources in parallel.
Further, described wire detector also comprises power switch, described power switch and described power sources in series.
Further, the bottom surface of described first probe is rectangle.
Further, described power supply, multivibrator, slide rheostat R1, capacitor C1 are accommodated in a housing, described first probe, the second probe stretch out from described housing, and described housing exterior walls is also provided with and controls the knob that described slippery fellow slides and the jack inserted for described earphone.
Further, described power supply, multivibrator, slide rheostat R1, capacitor C1, electrochemical capacitor C4 are accommodated in a housing, described first probe, the second probe stretch out from described housing, and described housing exterior walls is also provided with and controls the knob that described slippery fellow slides and the jack inserted for described earphone.
Further, described power supply, multivibrator, slide rheostat R1, capacitor C1, resistance R5, be accommodated in a housing, described first probe, the second probe stretch out from described housing, described LED is arranged at described housing exterior walls, and described housing exterior walls is also provided with and controls the knob that described slippery fellow slides and the jack inserted for described earphone.
Further, described power supply, multivibrator, slide rheostat R1, capacitor C1, power switch are accommodated in a housing, described first probe, the second probe stretch out from described housing, described power switch is arranged at described housing exterior walls, and described housing exterior walls is also provided with and controls the knob that described slippery fellow slides and the jack inserted for described earphone.
The beneficial effects of the utility model: can fast finding to the wire be connected with known point, one/root in many metallic conductors (particularly wire) of dense arrangement can be distinguished, and the conventional metal detector in common security field does not accomplish this point.And described wire panel detector structure is simple, and cost is low.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical solution of the utility model, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained from these accompanying drawings.
Fig. 1 is the circuit theory diagrams of a kind of wire detector of the utility model;
Fig. 2 is the shape assumption diagram of a kind of wire detector of the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.The above is preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Shown in figure 1, described wire detector comprises power supply 1, multivibrator 2, detecting module 3, described multivibrator 2 is connected between described power supply 1 and described detecting module 3, described detecting module 3 is given for generation of audible sine ripple oscillator signal, described detecting module 3 comprises slide rheostat R1, capacitor C1, earphone 31, first probe 32, second probe 33, the first end of described slide rheostat R1 is popped one's head in by described capacitor C1 and described first and 32 to be connected, second end and described second of described slide rheostat R1 is popped one's head in and 33 to be connected, the first end of described earphone 31 is connected with the slippery fellow of described slide rheostat R1, second end of described earphone 31 and described capacitor C1, the tie point that described first probe 32 is connected connects.
When switching on power, described second probe 33 contacts with known point, and described first probe 32 is at pcb board scanning overhead, and pcb board and described first is popped one's head between 32 and formed an equivalent capacity C
x, be the specific inductive capacity of medium between pole plate by capacitance calculation formula C=ε s/d(ε, s is polar plate area, and d is the distance between pole plate.) learn, when described first probe 32 moves to the top being in the wire be connected with known point, equivalent capacity C
xincrease, when the wire be connected with known point when the long limit of bottom surface of described first probe 32 is parallel, equivalent capacity C
xmaximum.
Described slide rheostat R1, described capacitor C1, described earphone 31, described equivalent capacity C
xform a capacitance bridge circuit, suppose that the first end of described slide rheostat R1 is R to the resistance of described slippery fellow
a, second end of described slide rheostat R1 is R to the resistance of described slippery fellow
b, when bridge balance: R
a× C
1=R
b× C
x, voiceless sound in described earphone 31; When electric bridge is unbalance, sound in described earphone 31.
When using described wire detector to carry out searching line alignment, regulate the slippery fellow of slide rheostat R1 that electric bridge can be caused unbalance, the sound in earphone 31 is made to have suitable volume, then 32 are popped one's head in by first around the second probe 33 circumference motion scan on pcb board, when sound generation significant change in earphone 31, then the wire be connected with known point of finding out needed for knowing is in described first and pops one's head in 32 relative pcb board positions.Then rotate first probe 32 angle detection (when described first probe 32 long limit, bottom surface and PCB line parallel time, equivalent capacity C
xmaximum), the sound in earphone 31 diminishes, and can know this line alignment further, thus find the wire be connected with known point.
According to bridge balance condition R
a× C
1=R
b× C
xknown with capacitance calculation formula C=ε s/d, when the slippery fellow of slide rheostat R1 is motionless, the capacitance increasing capacitor C1 or the base area increasing the first probe 32 can be used for finding out the conductor pipeline be embedded in body of wall.
The technical program beneficial effect: can fast finding to the wire be connected with known point, one/root in many metallic conductors (particularly wire) of dense arrangement can be distinguished, and the conventional metal detector in common security field does not accomplish this point.And described wire panel detector structure is simple, and cost is low.
In better embodiment, described multivibrator 2 comprises NPN type triode Q1, NPN type triode Q2, electric capacity C2, electric capacity C3, resistance R2, resistance R3 and resistance R4, the collector of described triode Q1 is connected with the base stage of described triode Q2 by electric capacity C2, the collector of described triode Q2 is connected with the base stage of described triode Q1 by electric capacity C3, the emitter of described triode Q1 is connected with described triode Q2 emitter and is connected with the negative pole of described power supply 1, the two ends of described electric capacity C2 are respectively by resistance R2, resistance R3 is connected with the positive pole of described power supply 1, one end of described electric capacity C3 is connected with the positive pole of described power supply 1 by resistance R4, the other end of described electric capacity C3 is connected with second end of described slide rheostat R1, the first end of described slide rheostat R1 is connected with the positive pole of described power supply 1.
When switch on power 1 moment, a triode ON in described triode Q1, described triode Q2, and the cut-off of another triode, at this moment, the collector of the triode of conducting has output of pulse signal, and the base stage that pulse signal is coupled to another triode by the electric capacity of the collector of described turn-on transistor makes the conducting of another pipe, the triode cut-off of at this moment original conducting, conducting and the cut-off in turn of such two triodes, just creates audible sine ripple oscillator signal.
In better embodiment, described wire detector also comprises electrochemical capacitor C4, and described electrochemical capacitor C4 is in parallel with described power supply 1, for filtering.
In better embodiment, described wire detector also comprises work indicating module 4, and described work indicating module 4 comprises resistance R5, LED 41, and described resistance R5 is in parallel with described power supply 1 with the series circuit of described LED 41.When switch on power 1 carry out detection operation time, work indicating module 4 have prompting.
In better embodiment, described wire detector also comprises power switch 5, and described power switch 5 is connected with described power supply 1, for controlling power supply 1 break-make.
In better embodiment, the bottom surface of described first probe 32 is rectangle.
Shown in figure 2, in better embodiment, described power supply 1, multivibrator 2, slide rheostat R1, capacitor C1 are accommodated in a housing 100, described first probe 32, second probe 33 stretches out from described housing 100, the knob 6 that described housing 100 outer wall is also provided with the slippery fellow's slip controlling described slide rheostat R1 and the jack 311 inserted for described earphone 31.
In better embodiment, described power supply 1, multivibrator 2, slide rheostat R1, capacitor C1, electrochemical capacitor C4 are accommodated in a housing 100, described first probe 32, second probe 33 stretches out from described housing 100, the knob 6 that described housing 100 outer wall is also provided with the slippery fellow's slip controlling described slide rheostat R1 and the jack 311 inserted for described earphone 31.
In better embodiment, described power supply 1, multivibrator 2, slide rheostat R1, capacitor C1, resistance R5, be accommodated in a housing 100, described first probe 32, second probe 33 stretches out from described housing 100, described LED 41 is arranged at described housing 100 outer wall, the knob 6 that described housing 100 outer wall is also provided with the slippery fellow's slip controlling described slide rheostat R1 and the jack 311 inserted for described earphone 31.
In better embodiment, described power supply 1, multivibrator 2, slide rheostat R1, capacitor C1, power switch 5 are accommodated in a housing 100, described first probe 32, second probe 33 stretches out from described housing 100, described power switch 5 is arranged at described housing 100 outer wall, the knob 6 that described housing 100 outer wall is also provided with the slippery fellow's slip controlling described slide rheostat R1 and the jack 311 inserted for described earphone 31.
Described wire detector is packaged in housing 100, is convenient for carrying, uses.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., within the protection domain that all should be included in the utility model claim.
Claims (10)
1. a wire detector, is characterized in that, comprises power supply, multivibrator, detecting module, described multivibrator is connected between described power supply and described detecting module, described detecting module is given for generation of audible sine ripple oscillator signal, described detecting module comprises slide rheostat R1, capacitor C1, earphone, first probe, second probe, the first end of described slide rheostat R1 is popped one's head in by described capacitor C1 and described first and is connected, second end and described second of described slide rheostat R1 is popped one's head in and is connected, the first end of described earphone is connected with the slippery fellow of described slide rheostat R1, second end of described earphone and described capacitor C1, the tie point that described first probe is connected connects.
2. wire detector according to claim 1, is characterized in that, described multivibrator comprises NPN type triode Q1, NPN type triode Q2, electric capacity C2, electric capacity C3, resistance R2, resistance R3 and resistance R4, the collector of described triode Q1 is connected with the base stage of described triode Q2 by electric capacity C2, the collector of described triode Q2 is connected with the base stage of described triode Q1 by electric capacity C3, the emitter of described triode Q1 is connected with described triode Q2 emitter and is connected with the negative pole of described power supply, the two ends of described electric capacity C2 are respectively by resistance R2, resistance R3 is connected with the positive pole of described power supply, one end of described electric capacity C3 is connected with the positive pole of described power supply by resistance R4, the other end of described electric capacity C3 is connected with second end of described slide rheostat R1, the first end of described slide rheostat R1 is connected with the positive pole of described power supply.
3. wire detector according to claim 1, is characterized in that, also comprises electrochemical capacitor C4, described electrochemical capacitor C4 and described power sources in parallel.
4. wire detector according to claim 1, is characterized in that, also comprises work indicating module, and described work indicating module comprises resistance R5, LED, the series circuit of described resistance R5 and described LED and described power sources in parallel.
5. wire detector according to claim 1, is characterized in that, also comprise power switch, described power switch and described power sources in series.
6. wire detector according to claim 1, is characterized in that, the bottom surface of described first probe is rectangle.
7. wire detector according to claim 1, it is characterized in that, described power supply, multivibrator, slide rheostat R1, capacitor C1 are accommodated in a housing, described first probe, the second probe stretch out from described housing, and described housing exterior walls is also provided with and controls the knob that described slippery fellow slides and the jack inserted for described earphone.
8. wire detector according to claim 3, it is characterized in that, described power supply, multivibrator, slide rheostat R1, capacitor C1, electrochemical capacitor C4 are accommodated in a housing, described first probe, the second probe stretch out from described housing, and described housing exterior walls is also provided with and controls the knob that described slippery fellow slides and the jack inserted for described earphone.
9. wire detector according to claim 4, it is characterized in that, described power supply, multivibrator, slide rheostat R1, capacitor C1, resistance R5, be accommodated in a housing, described first probe, the second probe stretch out from described housing, described LED is arranged at described housing exterior walls, and described housing exterior walls is also provided with and controls the knob that described slippery fellow slides and the jack inserted for described earphone.
10. wire detector according to claim 5, it is characterized in that, described power supply, multivibrator, slide rheostat R1, capacitor C1, power switch are accommodated in a housing, described first probe, the second probe stretch out from described housing, described power switch is arranged at described housing exterior walls, and described housing exterior walls is also provided with and controls the knob that described slippery fellow slides and the jack inserted for described earphone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520210631.6U CN204613322U (en) | 2015-04-09 | 2015-04-09 | A kind of wire detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520210631.6U CN204613322U (en) | 2015-04-09 | 2015-04-09 | A kind of wire detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204613322U true CN204613322U (en) | 2015-09-02 |
Family
ID=53965870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520210631.6U Expired - Fee Related CN204613322U (en) | 2015-04-09 | 2015-04-09 | A kind of wire detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204613322U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106249055A (en) * | 2016-08-23 | 2016-12-21 | 成都沃尔法特科技有限公司 | A kind of r-f indicator for carrying out signal identification |
-
2015
- 2015-04-09 CN CN201520210631.6U patent/CN204613322U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106249055A (en) * | 2016-08-23 | 2016-12-21 | 成都沃尔法特科技有限公司 | A kind of r-f indicator for carrying out signal identification |
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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: 20150902 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |