CN204536464U - Portable circuit on-off detector - Google Patents
Portable circuit on-off detector Download PDFInfo
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- CN204536464U CN204536464U CN201520238610.5U CN201520238610U CN204536464U CN 204536464 U CN204536464 U CN 204536464U CN 201520238610 U CN201520238610 U CN 201520238610U CN 204536464 U CN204536464 U CN 204536464U
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- reference edge
- circuit
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- detected
- detected end
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Abstract
A kind of portable circuit on-off detector, detector comprises the reference edge of split design and detected end, the reference edge probe of reference edge is arranged in reference edge main body, reference edge circuit is provided with in reference edge main body, reference edge circuit comprises audio signal generator U1 and triode Q1, the signal output pin of audio signal generator U1 is popped one's head in reference edge by triode Q1 and is electrically connected, and reference edge power supply is powered to reference edge circuit; Detected end comprises detected end main body, detected end probe and warning device, detected end probe is arranged in detected end main body, warning device is arranged in detected end main body, detected terminal circuit is arranged in detected end main body, detected terminal circuit is the computing integrated amplifier that computing integrated amplifier U2 forms, detected end probe is connected to the input end of computing integrated amplifier U2, warning device is connected on the output terminal of computing integrated amplifier U2, and detected end power supply powers to detected terminal circuit.
Description
Technical field
The utility model discloses a kind of pressure line monitoring device, particularly a kind of portable circuit on-off detector.
Background technology
In the middle of actual production life, often need to detect the break-make of circuit, conventional method detects with the resistance grade of multimeter, simple and practical, during detection, two of multimeter test pencils are connected to the two ends of detected circuit, when circuit is open circuit, the multimeter number of degrees are infinitely great, and when circuit is path, the number of degrees of multimeter are close to zero.But multimeter detects the limitation having it, the test pencil limited length of a usual multimeter, if detected circuit two ends are distant, even be just difficult to detect in different rooms or different location, and the volume of multimeter is relatively large, is not easy to carry.
Summary of the invention
Carry out circuit on-off detection for the above-mentioned employing multimeter of the prior art mentioned and there is circumscribed shortcoming, the utility model provides a kind of portable circuit on-off detector newly, it adopts detection reference end and the test side of split-type design, greatly can extend the distance that it detects, the distance at detected circuit two ends is no longer impacted detection.
The technical scheme that the utility model solves the employing of its technical matters is: a kind of portable circuit on-off detector, detector comprises the reference edge of split design and detected end, reference edge mainly comprises reference edge main body and reference edge probe, reference edge probe is arranged in reference edge main body, reference edge circuit is provided with in reference edge main body, reference edge circuit comprises audio signal generator U1 and triode Q1, the signal output pin of audio signal generator U1 is popped one's head in reference edge by triode Q1 and is electrically connected, and reference edge power supply is powered to reference edge circuit; Detected end comprises detected end main body, detected end probe and warning device, detected end probe is arranged in detected end main body, warning device is arranged in detected end main body, detected terminal circuit is arranged in detected end main body, detected terminal circuit is the computing integrated amplifier that computing integrated amplifier U2 forms, detected end probe is connected to the input end of computing integrated amplifier U2, warning device is connected on the output terminal of computing integrated amplifier U2, and detected end power supply powers to detected terminal circuit.
The technical scheme that the utility model solves the employing of its technical matters further comprises:
Described reference edge main body is provided with button, and button is connected on the control end of audio signal generator U1.
Described button is arranged on the afterbody of reference edge main body.
Described warning device adopts loudspeaker, hummer or light emitting diode.
Described audio signal generator U1 adopts model to be the chip of KD-9300.
Described computing integrated amplifier U2 employing model is the computing integrated amplifier chip of LM386.
Described triode Q1 adopts 9013 type triodes.
Described reference edge main body is elongated.
Described detected end main body is elongated.
The beneficial effects of the utility model are: the utility model adopts powered battery, and without the need to external power supply, and its volume carries out form of a stroke or a combination of strokes size, is easy to carry.Use the utility model can simpler, effectively the break-make of circuit is detected, detecting distance can reach 100 meters.
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Accompanying drawing explanation
Fig. 1 is utility model works theory diagram.
Fig. 2 is the utility model reference edge contour structures schematic diagram.
Fig. 3 is the utility model detected end contour structures schematic diagram.
Fig. 4 is the utility model reference edge circuit theory diagrams.
Fig. 5 is that the utility model is detected terminal circuit schematic diagram.
In figure, 1-reference edge main body, 2-reference edge is popped one's head in, 3-button, 4-detected end main body, the detected end probe of 5-, 6-loudspeaker.
Embodiment
The present embodiment is the utility model preferred implementation, and other its principles all are identical with the present embodiment or approximate with basic structure, all within the utility model protection domain.
Please refer to accompanying drawing 1, the utility model comprises the reference edge of split design and detected end, during use, reference edge and detected end are connected to the two ends of detected circuit, please refer to accompanying drawing 2, in the present embodiment, reference edge mainly comprises reference edge main body 1, reference edge probe 2 and button 3, in the present embodiment, reference edge main body 1 is elongated, or be called the form of a stroke or a combination of strokes, reference edge probe 2 is arranged on reference edge main body 1 front end, button 3 is arranged on reference edge main body 1 tail end, reference edge circuit is arranged in reference edge main body 1, please refer to accompanying drawing 4, in the present embodiment, reference edge main circuit will comprise an audio signal generator U1 and triode Q1, audio signal generator U1 adopts model to be the chip of KD-9300, the signal output pin of audio signal generator U1 is popped one's head in by triode Q1 and reference edge and 2 to be electrically connected, in the present embodiment, triode Q1 adopts 9013 common type triodes, triode Q1 directly can be welded on the reserved hole of Music Clip during welding, then single line road is drawn from triode Q1 collector, be used for connecting reference edge probe 2, in the present embodiment, the control end of audio signal generator U1 is connected with K switch (i.e. button 3), when pressing K switch (i.e. button 3), circuit is triggered, the collector of triode Q1 just produces a sound signal, exported by reference edge probe 2.In the present embodiment, reference edge adopts two joints No. 7 batteries to power.
Please refer to accompanying drawing 3, in the present embodiment, detected end mainly comprises detected end main body 4, detected end probe 5 and loudspeaker 6, in the present embodiment, detected end main body 4 is elongated, or be called the form of a stroke or a combination of strokes, detected end probe 5 is arranged on detected end main body 4 front end, loudspeaker 6 is arranged on detected end main body 4 tail end, detected terminal circuit is arranged in detected end main body 4, please refer to accompanying drawing 5, in the present embodiment, detected terminal circuit is mainly the computing integrated amplifier that computing integrated amplifier U2 forms, detected end probe 5 is connected to the input end of computing integrated amplifier U2, computing integrated amplifier U2 can adopt model to be that the computing integrated amplifier chip of LM386 carries out sound signal amplification, the output terminal of computing integrated amplifier U2 is connected with loudspeaker 6, in the present embodiment, detected end adopts 6V power supply to detected end power supply.
Above-described embodiment is the utility model preferred implementation, and when specifically implementing, the utility model also has other implementations, as: reference edge does not arrange button 3, but one starts shooting and ceaselessly carries out signal transmission; Detected end also can not arrange loudspeaker 6, and adopts hummer or light emitting diode etc. as warning device.
The utility model in use, reference edge probe 2 on reference edge is connected to one end of detected circuit, detected end probe 5 on detected end is connected to the other end of detected circuit, press K switch, as circuit is connected, then the loudspeaker 6 that circuit on-off detects on detected end is sounded; As service interruption, then the loudspeaker 6 that circuit on-off detects on detected end can not be sounded.
The utility model adopts powered battery, and without the need to external power supply, and its volume carries out form of a stroke or a combination of strokes size, is easy to carry.Use the utility model can simpler, effectively the break-make of circuit is detected, detecting distance can reach 100 meters.
Claims (9)
1. a portable circuit on-off detector, it is characterized in that: described detector comprises the reference edge of split design and detected end, reference edge mainly comprises reference edge main body and reference edge probe, reference edge probe is arranged in reference edge main body, reference edge circuit is provided with in reference edge main body, reference edge circuit comprises audio signal generator U1 and triode Q1, the signal output pin of audio signal generator U1 is popped one's head in reference edge by triode Q1 and is electrically connected, and reference edge power supply is powered to reference edge circuit; Detected end comprises detected end main body, detected end probe and warning device, detected end probe is arranged in detected end main body, warning device is arranged in detected end main body, detected terminal circuit is arranged in detected end main body, detected terminal circuit is the computing integrated amplifier that computing integrated amplifier U2 forms, detected end probe is connected to the input end of computing integrated amplifier U2, warning device is connected on the output terminal of computing integrated amplifier U2, and detected end power supply powers to detected terminal circuit.
2. portable circuit on-off detector according to claim 1, is characterized in that: described reference edge main body is provided with button, and button is connected on the control end of audio signal generator U1.
3. portable circuit on-off detector according to claim 2, is characterized in that: described button is arranged on the afterbody of reference edge main body.
4. portable circuit on-off detector according to claim 1, is characterized in that: described warning device adopts loudspeaker, hummer or light emitting diode.
5. portable circuit on-off detector as claimed in any of claims 1 to 4, is characterized in that: described audio signal generator U1 adopts model to be the chip of KD-9300.
6. portable circuit on-off detector as claimed in any of claims 1 to 4, is characterized in that: described computing integrated amplifier U2 employing model is the computing integrated amplifier chip of LM386.
7. portable circuit on-off detector as claimed in any of claims 1 to 4, is characterized in that: described triode Q1 adopts 9013 type triodes.
8. portable circuit on-off detector as claimed in any of claims 1 to 4, is characterized in that: described reference edge main body is elongated.
9. portable circuit on-off detector as claimed in any of claims 1 to 4, is characterized in that: described detected end main body is elongated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520238610.5U CN204536464U (en) | 2015-04-20 | 2015-04-20 | Portable circuit on-off detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520238610.5U CN204536464U (en) | 2015-04-20 | 2015-04-20 | Portable circuit on-off detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204536464U true CN204536464U (en) | 2015-08-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520238610.5U Expired - Fee Related CN204536464U (en) | 2015-04-20 | 2015-04-20 | Portable circuit on-off detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204536464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109188168A (en) * | 2018-08-29 | 2019-01-11 | 扬州大学 | A kind of multi-functional on-off pen |
-
2015
- 2015-04-20 CN CN201520238610.5U patent/CN204536464U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109188168A (en) * | 2018-08-29 | 2019-01-11 | 扬州大学 | A kind of multi-functional on-off pen |
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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: 20150805 Termination date: 20210420 |