CN203745529U - Power supply line AC signal detector - Google Patents
Power supply line AC signal detector Download PDFInfo
- Publication number
- CN203745529U CN203745529U CN201320862072.8U CN201320862072U CN203745529U CN 203745529 U CN203745529 U CN 203745529U CN 201320862072 U CN201320862072 U CN 201320862072U CN 203745529 U CN203745529 U CN 203745529U
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- China
- Prior art keywords
- fixed value
- triode
- value resistance
- effect transistor
- field effect
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- Expired - Fee Related
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- 230000005669 field effect Effects 0.000 claims abstract description 26
- 239000003990 capacitor Substances 0.000 claims abstract description 15
- 230000005611 electricity Effects 0.000 description 4
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- Measurement Of Current Or Voltage (AREA)
Abstract
The utility model relates to a power supply line AC signal detector, which belongs to the electrician electronic technical field. The detector comprises an antenna, a field effect transistor, a fixed-value resistor I, a triode I, a triode II, a light-emitting diode, a battery, a fixed-value resistor II, a fixed-value resistor III, a fixed-value resistor IV, and an electrolytic capacitor. The antenna is connected with the grid electrode of the field effect transistor and one end of the fixed-value resistor II. The drain electrode of the field effect transistor is connected with one end of the fixed-value resistor I and the base electrode of the triode I. The source electrode of the field effect transistor is connected with one end of the fixed-value resistor III, one end of the fixed-value resistor IV and the anode of the electrolytic capacitor. The collector electrode of the triode I is connected with the base electrode of the triode II. The collector electrode of the triode II is connected with the cathode of the light-emitting diode. The detector can wirelessly detect AC signals generated in a power supply line so as to conveniently and simply judge whether the power supply line is on. The detector which is simple is convenient to operate.
Description
Technical field
The utility model relates to a kind of supply line AC signal detector, belongs to electrical and electronic technology field.
Background technology
Whether, in production reality, the regular Xu Dui of patrolman supply line patrols, because supply line's frame is in high-altitude, to measuring circuit, have electricity very inconvenient.If any a kind of supply line AC signal detector, can facilitate and detect compactly supply line and whether have electricity, in production reality, be necessary.
Summary of the invention
The utility model provides a kind of supply line AC signal detector, carries out the problem of wireless exploration for solving the AC signal that supply line is produced.
The technical solution of the utility model is: a kind of supply line AC signal detector, comprises antenna 1, field effect transistor 2, fixed value resistance I 3, triode I 4, triode II 5, light emitting diode 6, battery 7, fixed value resistance II 8, fixed value resistance III 9, fixed value resistance IV 10, electrochemical capacitor 11, wherein antenna 1 connects respectively the grid of field effect transistor 2 and one end of fixed value resistance II 8, the drain electrode of field effect transistor 2 connects respectively one end of fixed value resistance I 3 and the base stage of triode I 4, the source electrode of field effect transistor 2 connects one end of fixed value resistance III 9, one end of fixed value resistance IV 10, the positive pole of electrochemical capacitor 11, the base stage of the collector connecting transistor II 5 of triode I 4, the collector of triode II 5 is connected with the negative pole of light emitting diode 6, the emitter of triode II 5, the other end of fixed value resistance II 8, the other end of fixed value resistance III 9, the other end of fixed value resistance IV 10, the negative pole of electrochemical capacitor 11 connects the negative pole of power supply 7, the other end of fixed value resistance I 3, the emitter of triode I 4, the positive pole of light emitting diode 6, the positive pole of another termination power 7 of fixed value resistance IV 10.
Described antenna 1, field effect transistor 2, fixed value resistance I 3, triode I 4, triode II 5, light emitting diode 6, battery 7, fixed value resistance II 8, fixed value resistance III 9, fixed value resistance IV 10, electrochemical capacitor 11 are commercial elements.
Principle of work of the present utility model is:
When antenna 1 receives the AC signal that supply line produces, deliver to the grid of the field effect transistor 2 of junction type N-type raceway groove, 2 pairs of AC signal of field effect transistor have half-wave rectification and amplification, the drain electrode of field effect transistor 2 output high level during no signal, triode I 4, triode II 5 are all ended, and light emitting diode 6 is not luminous.
While having signal, more negative with respect to source electrode at the grid of the negative half period field effect transistor 2 of signal, so field effect transistor 2 outputs are still high level, light emitting diode 6 is not luminous; And when the positive half cycle of signal field effect transistor 2 output low levels, triode I 4, the equal conducting of triode II 5, light emitting diode 6 is luminous, there is electricity in indication supply line.
Fixed value resistance I 3, fixed value resistance III 9, electrochemical capacitor 11 are field effect transistor 2 biasings, improve the sensitivity detecting.
The beneficial effects of the utility model are: the AC signal that supply line is produced is carried out wireless exploration, thereby conveniently judge compactly whether supply line has electricity; Equipment is simple, handled easily.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Each label in figure: 1 is that antenna, 2 is that field effect transistor, 3 is that fixed value resistance I, 4 is that triode I, 5 is that triode II, 6 is that light emitting diode, 7 is that battery, 8 is that fixed value resistance II, 9 is that fixed value resistance III, 10 is that fixed value resistance IV, 11 is electrochemical capacitor.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment 1: as shown in Figure 1, supply line's AC signal detector, comprises antenna 1, field effect transistor 2, fixed value resistance I 3, triode I 4, triode II 5, light emitting diode 6, battery 7, fixed value resistance II 8, fixed value resistance III 9, fixed value resistance IV 10, electrochemical capacitor 11, wherein antenna 1 connects respectively the grid of field effect transistor 2 and one end of fixed value resistance II 8, the drain electrode of field effect transistor 2 connects respectively one end of fixed value resistance I 3 and the base stage of triode I 4, the source electrode of field effect transistor 2 connects one end of fixed value resistance III 9, one end of fixed value resistance IV 10, the positive pole of electrochemical capacitor 11, the base stage of the collector connecting transistor II 5 of triode I 4, the collector of triode II 5 is connected with the negative pole of light emitting diode 6, the emitter of triode II 5, the other end of fixed value resistance II 8, the other end of fixed value resistance III 9, the other end of fixed value resistance IV 10, the negative pole of electrochemical capacitor 11 connects the negative pole of power supply 7, the other end of fixed value resistance I 3, the emitter of triode I 4, the positive pole of light emitting diode 6, the positive pole of another termination power 7 of fixed value resistance IV 10.
Described antenna 1, field effect transistor 2, fixed value resistance I 3, triode I 4, triode II 5, light emitting diode 6, battery 7, fixed value resistance II 8, fixed value resistance III 9, fixed value resistance IV 10, electrochemical capacitor 11 are commercial elements.
By reference to the accompanying drawings specific embodiment of the utility model is explained in detail above, but the utility model is not limited to above-described embodiment, in the ken possessing those of ordinary skills, can also under the prerequisite that does not depart from the utility model aim, make various variations.
Claims (1)
1.Yi Zhong supply line AC signal detector, is characterized in that: comprise antenna (1), field effect transistor (2), fixed value resistance I (3), triode I (4), triode II (5), light emitting diode (6), battery (7), fixed value resistance II (8), fixed value resistance III (9), fixed value resistance IV (10), electrochemical capacitor (11), wherein antenna (1) connects respectively the grid of field effect transistor (2) and one end of fixed value resistance II (8), the drain electrode of field effect transistor (2) connects respectively one end of fixed value resistance I (3) and the base stage of triode I (4), the source electrode of field effect transistor (2) connects one end of fixed value resistance III (9), one end of fixed value resistance IV (10), the positive pole of electrochemical capacitor (11), the base stage of the collector connecting transistor II (5) of triode I (4), the collector of triode II (5) is connected with the negative pole of light emitting diode (6), the emitter of triode II (5), the other end of fixed value resistance II (8), the other end of fixed value resistance III (9), the other end of fixed value resistance IV (10), the negative pole of electrochemical capacitor (11) connects the negative pole of power supply (7), the other end of fixed value resistance I (3), the emitter of triode I (4), the positive pole of light emitting diode (6), the positive pole of another termination power (7) of fixed value resistance IV (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320862072.8U CN203745529U (en) | 2013-12-25 | 2013-12-25 | Power supply line AC signal detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320862072.8U CN203745529U (en) | 2013-12-25 | 2013-12-25 | Power supply line AC signal detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203745529U true CN203745529U (en) | 2014-07-30 |
Family
ID=51345314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320862072.8U Expired - Fee Related CN203745529U (en) | 2013-12-25 | 2013-12-25 | Power supply line AC signal detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203745529U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106019384A (en) * | 2016-06-20 | 2016-10-12 | 苏州华徕光电仪器有限公司 | Wall body wire detection circuit |
| CN108443737A (en) * | 2018-04-28 | 2018-08-24 | 江苏泓睿德智能科技有限公司 | Wall built-in conductor detection Handheld LED lamp device and its application method |
-
2013
- 2013-12-25 CN CN201320862072.8U patent/CN203745529U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106019384A (en) * | 2016-06-20 | 2016-10-12 | 苏州华徕光电仪器有限公司 | Wall body wire detection circuit |
| CN108443737A (en) * | 2018-04-28 | 2018-08-24 | 江苏泓睿德智能科技有限公司 | Wall built-in conductor detection Handheld LED lamp device and its application 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 |
Granted publication date: 20140730 Termination date: 20141225 |
|
| EXPY | Termination of patent right or utility model |