CN204008935U - Circuit on-off detecting pen - Google Patents
Circuit on-off detecting pen Download PDFInfo
- Publication number
- CN204008935U CN204008935U CN201420309815.3U CN201420309815U CN204008935U CN 204008935 U CN204008935 U CN 204008935U CN 201420309815 U CN201420309815 U CN 201420309815U CN 204008935 U CN204008935 U CN 204008935U
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- China
- Prior art keywords
- circuit
- conductive probe
- detecting pen
- gauge tap
- power supply
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- Expired - Fee Related
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Abstract
A kind of circuit on-off detecting pen, it comprises the first conductive probe, the second conductive probe, power supply, gauge tap, light emitting diode and current-limiting resistance, the negative pole of this power supply is connected to this second conductive probe through extension lead, the positive pole of this power supply is connected to one end of gauge tap through wire, connect the successively light emitting diode of this current-limiting resistance and forward conduction of the other end of this gauge tap is electrically connected to this first conductive probe, during work, the first conductive probe and the second conductive probe are connected to two ends the turn-on power switch of circuit to be detected, when circuit on-off detecting pen and circuit to be detected formation conducting loop, lumination of light emitting diode represents that circuit to be detected is normal.Circuit on-off detecting pen of the present utility model is simple in structure, easy to use.
Description
Technical field
The utility model relates to a kind of circuit on-off detecting pen, especially a kind of circuit on-off detecting pen easy to use.
Background technology
While generally, detecting the circuit original paper break-makes such as wire, switch, wiring board, can use multimeter.Existing multimeter general structure is complicated, function is more and user is had to certain professional knowledge requirement, and user's misoperation may cause erroneous judgement.Multimeter price is relatively high in addition, can cause cost to increase while using in a large number.
Utility model content
In view of above content, be necessary to provide a kind of circuit on-off detecting pen easy to use simple in structure.
A kind of circuit on-off detecting pen, it comprises the first conductive probe, the second conductive probe, power supply, gauge tap, light emitting diode and current-limiting resistance, the negative pole of this power supply is connected to this second conductive probe through extension lead, the positive pole of this power supply is connected to one end of gauge tap through wire, connect the successively light emitting diode of this current-limiting resistance and forward conduction of the other end of this gauge tap is electrically connected to this first conductive probe, during work, the first conductive probe and the second conductive probe are connected to two ends the turn-on power switch of circuit to be detected, when circuit on-off detecting pen and circuit to be detected formation conducting loop, lumination of light emitting diode represents that circuit to be detected is normal.
Improvement as technique scheme, also further comprise hummer and another current-limiting resistance, also connect successively this another current-limiting resistance and hummer of the other end of this gauge tap is electrically connected to this first conductive probe, and during work, hummer sounding represents that circuit to be detected is normal.
As the improvement of technique scheme, also further comprise columniform housing, this first conductive probe is installed on one end of this housing, and this second conductive probe is connected in the other end of this housing via extension lead.
As the improvement of technique scheme, this power supply, gauge tap, light emitting diode, hummer and two current-limiting resistances are all contained in this housing.
As the improvement of technique scheme, this housing further comprises the first opening for exposing this light emitting diode, for exposing the second opening of this hummer and for exposing the 3rd opening of this gauge tap.
As the improvement of technique scheme, this first, second, third opening successively interval arranges.
As the improvement of technique scheme, one of this first, second conductive probe is conductive clip, and another of first, second conductive probe is probe.
As the improvement of technique scheme, this extension lead is for having flexible spiral helicine electric wire.
Compared to prior art, above-mentioned circuit on-off detecting pen is simple in structure.In addition, above-mentioned circuit on-off detecting pen can be indicated and two kinds of mode display measurement results of hummer sounding by LED lamp, easy to use.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model circuit on-off detecting pen;
Fig. 2 is the electrical block diagram of the circuit on-off detecting pen shown in Fig. 1.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used for limiting the present invention.
See also Fig. 1 and Fig. 2, the utility model circuit on-off detecting pen comprise cylindrical lip pencil roughly housing 1, be installed on this housing 1 one end the first conductive probe 2, via extension lead 4 be connected in this housing 1 other end the second conductive probe 3, install and be contained in power supply VCC, gauge tap K1, LED 1, hummer BU and two current-limiting resistance R1, the R2 in this housing 1.This housing 1 has the first opening 11 for exposing this LED 1, for exposing the second opening 12 of this hummer BU and for exposing the 3rd opening 13 of this gauge tap K1.This first, second, third opening 11,12,13 successively interval arranges.The negative pole of this power supply VCC is connected to this second conductive probe 3 through extension lead 4.The positive pole of this power supply VCC is connected to one end of gauge tap K1 through wire, connect the successively LED 1 of this current-limiting resistance R1 and forward conduction of the other end of this gauge tap K1 is electrically connected to this first conductive probe 2; Also connect successively this current-limiting resistance R2 and hummer BU of the other end of this gauge tap K1 is electrically connected to this first conductive probe 2.In present embodiment, this gauge tap K1 can be push switch.In alternate embodiments, this circuit on-off detecting pen inside can further comprise the circuit board that this power supply VCC, gauge tap K1, LED 1, hummer BU and two current-limiting resistance R1, R2 are installed.In present embodiment, this first, second conductive probe 2,3 is probe shape; In alternate embodiments, one of this first, second conductive probe 2,3 is conductive clip, and another of first, second conductive probe 2,3 is probe.In one better embodiment, this extension lead 4 can, for having flexible spiral helicine electric wire, be convenient to collection when so not using.In other alternate embodiments, this LED 1 and hummer BU the two one of and corresponding current-limiting resistance can omit.
During work, make power switch K1 conducting, the first conductive probe 2 and the second conductive probe 3 are connected to the two ends of circuit 5 to be detected, if circuit 5 conductings to be detected, circuit on-off detecting pen and circuit to be detected 5 conductings form conducting loop, and LED 1 is luminous or/and hummer BU sounding represents that circuit 5 to be detected is normal.Particularly, LED 1 forms conducting loop by current-limiting resistance R1, gauge tap K1, power supply VCC, extension lead 4, the second conductive probe 3, circuit to be detected 5 and the first conductive probe 2, now to LED, 1 power supply makes it luminous to power supply VCC, to indicate circuit 5 to be detected normal.Hummer BU forms conducting loop by current-limiting resistance R2, gauge tap K1, power supply VCC, extension lead 4, the second conductive probe 3, circuit to be detected 5 and the first conductive probe 2 simultaneously, to hummer BU, power supply makes its sounding to power supply VCC, to point out circuit 5 to be detected normal.When if circuit 5 to be detected opens circuit, the supply access of LED 1 and hummer BU is cut off, and now LED 1 is not luminous, and hummer BU can sounding yet.In better embodiment, before work, can first connect the first conductive probe 2 and the second conductive probe 3, whether working properly to check circuit on-off detecting pen itself.
In sum, these are only preferred embodiment of the present utility model, be not intended to limit protection domain of the present utility model.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. a circuit on-off detecting pen, it is characterized in that, this circuit on-off detecting pen comprises the first conductive probe, the second conductive probe, power supply, gauge tap, light emitting diode and current-limiting resistance, the negative pole of this power supply is connected to this second conductive probe through extension lead, the positive pole of this power supply is connected to one end of gauge tap through wire, connect the successively light emitting diode of this current-limiting resistance and forward conduction of the other end of this gauge tap is electrically connected to this first conductive probe, during work, the first conductive probe and the second conductive probe are connected to two ends the turn-on power switch of circuit to be detected, circuit on-off detecting pen and circuit to be detected form conducting loop, lumination of light emitting diode represents that circuit to be detected is normal.
2. circuit on-off detecting pen as claimed in claim 1, further comprise hummer and another current-limiting resistance, also connect successively this another current-limiting resistance and hummer of the other end of this gauge tap is electrically connected to this first conductive probe, and during work, hummer sounding represents that circuit to be detected is normal.
3. circuit on-off detecting pen as claimed in claim 2, further comprises columniform housing, and this first conductive probe is installed on one end of this housing, and this second conductive probe is connected in the other end of this housing via extension lead.
4. circuit on-off detecting pen as claimed in claim 3, is characterized in that, this power supply, gauge tap, light emitting diode, hummer and two current-limiting resistances are all contained in this housing.
5. circuit on-off detecting pen as claimed in claim 3, is characterized in that, this housing further comprises the first opening for exposing this light emitting diode, for exposing the second opening of this hummer and for exposing the 3rd opening of this gauge tap.
6. circuit on-off detecting pen as claimed in claim 5, is characterized in that, this first, second, third opening successively interval arranges.
7. circuit on-off detecting pen as claimed in claim 1, is characterized in that, one of this first, second conductive probe is conductive clip, and another of first, second conductive probe is probe.
8. circuit on-off detecting pen as claimed in claim 1, is characterized in that, this extension lead is for having flexible spiral helicine electric wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420309815.3U CN204008935U (en) | 2014-06-11 | 2014-06-11 | Circuit on-off detecting pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420309815.3U CN204008935U (en) | 2014-06-11 | 2014-06-11 | Circuit on-off detecting pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204008935U true CN204008935U (en) | 2014-12-10 |
Family
ID=52048913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420309815.3U Expired - Fee Related CN204008935U (en) | 2014-06-11 | 2014-06-11 | Circuit on-off detecting pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204008935U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203902A (en) * | 2015-09-10 | 2015-12-30 | 国网天津宝坻供电有限公司 | Novel wiring checking device |
| CN105891654A (en) * | 2016-03-28 | 2016-08-24 | 国网山东省电力公司章丘市供电公司 | Portable on-off tester |
| CN106546865A (en) * | 2016-10-19 | 2017-03-29 | 中航飞机股份有限公司西安飞机分公司 | A kind of portable cable conduction detector and detection method |
| CN107192916A (en) * | 2017-05-25 | 2017-09-22 | 中核（天津）机械有限公司 | Multi-part electrical property measures detection means |
| CN107843690A (en) * | 2017-09-28 | 2018-03-27 | 保定市立中车轮制造有限公司 | Paint film line detection means and its detection method |
| CN110275085A (en) * | 2019-07-27 | 2019-09-24 | 戚石 | A kind of disconnected instrument of Portable wire survey |
-
2014
- 2014-06-11 CN CN201420309815.3U patent/CN204008935U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203902A (en) * | 2015-09-10 | 2015-12-30 | 国网天津宝坻供电有限公司 | Novel wiring checking device |
| CN105891654A (en) * | 2016-03-28 | 2016-08-24 | 国网山东省电力公司章丘市供电公司 | Portable on-off tester |
| CN106546865A (en) * | 2016-10-19 | 2017-03-29 | 中航飞机股份有限公司西安飞机分公司 | A kind of portable cable conduction detector and detection method |
| CN107192916A (en) * | 2017-05-25 | 2017-09-22 | 中核（天津）机械有限公司 | Multi-part electrical property measures detection means |
| CN107843690A (en) * | 2017-09-28 | 2018-03-27 | 保定市立中车轮制造有限公司 | Paint film line detection means and its detection method |
| CN110275085A (en) * | 2019-07-27 | 2019-09-24 | 戚石 | A kind of disconnected instrument of Portable wire survey |
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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: 20141210 |