CN206432517U - A kind of plug for measuring power outlet phase sequence - Google Patents
A kind of plug for measuring power outlet phase sequence Download PDFInfo
- Publication number
- CN206432517U CN206432517U CN201720054868.9U CN201720054868U CN206432517U CN 206432517 U CN206432517 U CN 206432517U CN 201720054868 U CN201720054868 U CN 201720054868U CN 206432517 U CN206432517 U CN 206432517U
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- light emitting
- emitting diode
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- diode
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Abstract
A kind of plug for measuring power outlet phase sequence of the utility model, is related to a kind of attaching plug, especially a kind of plug for being capable of automatic detection domestic power supply phase sequence.Including header body and plug, plug is arranged on the header body back side, and the plug is 3-phase plug；It is characterized in that：Lamp hole is provided with header body front, for plugging indicator lamp；Measuring circuit is provided with inside header body；The measuring circuit includes first crystal diode, first resistor and the first light emitting diode being serially connected between live wire and ground wire；It is serially connected in the 3rd crystal diode, 3rd resistor and the 3rd light emitting diode between zero line and live wire；It is serially connected in the second crystal diode, second resistance and the second light emitting diode between zero line and ground wire；The indicator lamp is the first light emitting diode, the second light emitting diode and the 3rd light emitting diode, protrudes and is arranged in lamp hole by the order of the first light emitting diode, the second light emitting diode and the 3rd light emitting diode.
Description
Technical field
A kind of plug for measuring power outlet phase sequence of the utility model is related to a kind of attaching plug, especially one kind can be certainly
The plug of dynamic detection domestic power supply phase sequence.
Background technology
When house decoration is checked and accepted, generally require to check socket power, socket power wrong line is run into sometimes, is led
Apply electricity when occur electric shock accidents；No ground wire is also run into sometimes or zero line lacks electric leakage ground protection, causes household electric
Device is damaged.If layman is less susceptible to judge these situations, it is therefore desirable to which a simple instrument helps to judge.
The content of the invention
The purpose of this utility model is to provide a kind of plug for measuring power outlet phase sequence for above-mentioned weak point, specially
The line sequence of test socket, it is ensured that jack connector phase sequence is correct.
The utility model takes following technical scheme to realize：
A kind of plug for measuring power outlet phase sequence includes header body and plug, and plug is arranged on the header body back side,
The plug is 3-phase plug；Lamp hole is provided with header body front, for plugging indicator lamp；Provided with survey inside header body
Measure circuit；
The measuring circuit includes first crystal diode, first resistor and the first hair being serially connected between live wire and ground wire
Optical diode；It is serially connected in the 3rd crystal diode, 3rd resistor and the 3rd light emitting diode between zero line and live wire；It is serially connected in
The second crystal diode, second resistance and the second light emitting diode between zero line and ground wire；
The indicator lamp is the first light emitting diode, the second light emitting diode and the 3rd light emitting diode, is lighted by first
The order of diode, the second light emitting diode and the 3rd light emitting diode, which is protruded, to be arranged in lamp hole.
Detection directory is additionally provided with the front of header body, user's very first time can be facilitated according to the bright situation of indicator lamp
Judge.
The detection directory is as follows,
。
It is described detection directory implication be,
（1）When wiring is correct, the second light emitting diode and the 3rd light emitting diode are bright；Now zero line and live wire conducting,
Second light emitting diode is bright；Ground wire normal ground, live wire has a low current toward ground wire, and the 3rd light emitting diode is bright；
（2）When lacking ground wire, only the second light emitting diode is bright, due to now zero line and live wire conducting, without ground wire, fire
Line is obstructed over the ground, so the 3rd light emitting transistor does not work；
（3）When phase shortage line is live wire, the first light emitting diode, the second light emitting diode and the 3rd light emitting diode are not
Bright, now phase line is live wire, when live wire is obstructed, and circuit is not turned on, without electric current；
（4）When lacking zero line, the 3rd light emitting diode is bright, now lacks zero line, and live wire can not be turned on zero line, therefore second
Light emitting diode does not work；
（5）When phase zero wrong is live wire and zero line wrong, the first light emitting diode and the second light emitting diode are bright, now
Live wire and zero line are reversed, and zero line and live wire conducting, the second light emitting diode are bright；Ground wire normal ground, live wire has one toward ground wire
Individual low current, thus the first light emitting diode is bright；
（6）When mutually wrong is live wire and ground wire wrong, the first light emitting diode and the 3rd light emitting diode are bright, now
Live wire and ground wire are reversed, and the second light emitting diode being serially connected between zero line and ground wire obtains electric light；Due to live wire and ground wire
It is reversed but between them or logical, thus the 3rd light emitting diode being serially connected between live wire and ground wire lights；
（7）When the wrong live wire in phase ground and ground wire wrong and scarce zero, the first light emitting diode, the second light emitting diode and the 3rd
Light emitting diode is lighted；This phase ground wrong, the 3rd light emitting transistor is lighted；When lacking zero, the first light emitting diode and the
Two light emitting diodes are the equal of series connection, and therefore, the first light emitting diode and the second light emitting diode are lit.
The utility model by plug in use, inject power outlet, you can passes through the first light emitting diode, second luminous two
The number that pole pipe and the 3rd light emitting diode are lighted judges whether power phase is accurate with order.
The utility model is novel in design, simple in construction, can easily realize the inspection of domestic power supply phase sequence by a plug
Survey, without special instrument and technology, practical, safety.It is especially suitable for promoting the use of.
Brief description of the drawings
Below with reference to accompanying drawing, the utility model is described in further detail：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is structure schematic diagram of the present utility model；
Fig. 3 is measuring circuit figure of the present utility model；
Detection directory when Fig. 4 is the utility model test.
In figure：1st, header body, 2, lamp hole, 3, detection directory；
L, live wire, G, ground wire, N, zero line, VD1, first crystal diode, R1, first resistor, LED1, the first light-emitting diodes
Pipe, VD2, the second crystal diode, R2, second resistance, LED2, the second light emitting diode, VD3, the 3rd crystal diode,
R3,3rd resistor, LED3, the 3rd light emitting diode.
Embodiment
Referring to the drawings 1~3, a kind of plug for measuring power outlet phase sequence of the utility model includes header body 1 and plug,
Plug is arranged on the back side of header body 1, and the plug is 3-phase plug；Lamp hole 2 is provided with the front of header body 1, for plugging
Indicator lamp；Measuring circuit is provided with inside header body；
The measuring circuit include being serially connected in first crystal diode VD1, first resistor R1 between live wire and bottom line and
First LED 1；It is serially connected in the 3rd crystal diode VD3,3rd resistor R3 and the 3rd between zero line N and live wire L
LED 3；The second crystal diode VD2, the second resistance R2 and second being serially connected between zero line N and ground wire G light
Diode (LED) 2；
The indicator lamp is the first LED 1, the second LED 2 and the 3rd light emitting diode
LED3, is protruded by the order of the first LED 1, the second LED 2 and the 3rd LED 3 and pacified
In lamp hole 2.
Detection directory 3 is additionally provided with the front of header body 1, user's very first time can be facilitated according to the bright feelings of indicator lamp
Condition is judged.
First crystal diode VD1, the second crystal diode VD, the 3rd crystal diode VD3, first resistor R1, second
Light emitting diode is breakdown when resistance R2 and 3rd resistor R3 setting are to prevent that circuit from working.
First crystal diode VD1, the second crystal diode VD and the 3rd crystal diode VD3 use IN4007 crystal two
Pole pipe.
First resistor R1, second resistance R2 and 3rd resistor R3 use common fixed carbon resister RT series resistances.
First LED 1, the second LED 2 and the 3rd LED 3 are red using φ 5
Light emitting diode.
House lead in (power line) has three lines：One is phase line L（A certain phase line in three-phase and four-line circuit, is commonly called as fire
Line）, another cry zero line N (zero line be transformer neutral point draw circuit, with phase line constitute loop electrical equipment is supplied
Electricity), be 220V voltages between phase line and zero line, they constitute the power supply of home circuits, and also single line is ground wire G, zero line and
There is no voltage between ground wire, there are 220V voltages between phase line and ground wire.
Referring to the drawings 4, it is described detection directory implication be,
（1）When wiring is correct, the second LED 2 and the 3rd bright LED3 of light emitting diode；Now zero line N and
Live wire L is turned on, and the second LED 2 is bright；Ground wire G normal grounds, live wire L has a low current, the 3rd toward ground wire G
The bright LED3 of light emitting diode；
（2）As scarce ground wire G, only the second LED 2 is bright, due to now zero line N and live wire L conductings, does not have
Ground wire G, live wire L is obstructed over the ground, so the 3rd light emitting transistor LED3 does not work；
（3）As phase shortage line L, the first LED 1, the second LED 2 and the 3rd light emitting diode
LED3 does not work, and now phase line is live wire L, and when live wire L is obstructed, circuit is not turned on, without electric current；
（4）As scarce zero line N, the 3rd LED 3 is bright, now scarce zero line N, and live wire L can not be turned on zero line N,
Therefore the second LED 2 does not work；
（5）When phase zero wrong, the first LED 1 and the bright LED2 of the second light emitting diode, now live wire L and
Zero line N is reversed, and zero line N and live wire L conductings, the second LED 2 are bright；Ground wire G normal grounds, live wire L is toward ground wire G meetings
There is a low current, thus the first LED 1 is bright；
（6）When mutually wrong, the first LED 1 and the 3rd bright LED3 of light emitting diode, now live wire L and
Ground wire G is reversed, is serially connected in the second LED 2 between zero line N and ground wire G and obtains electric light；Due to live wire L and ground
Line G is reversed, but still lead between them, thus 3 points of the 3rd LED being serially connected between live wire L and ground wire G
It is bright；
（7）When phase ground is wrong and lacks zero, the first LED 1, the second LED 2 and the 3rd luminous two
Pole pipe LED3 is lighted；This phase ground wrong, the 3rd light emitting transistor LED3 is lighted；When lacking zero, the first light emitting diode
LED1 and the second LED 2 are the equal of series connection, therefore, the first LED 1 and the second light emitting diode
LED2 is lit.
The utility model by plug in use, inject power outlet, you can luminous by first using the detection lead schedule
Number that diode, the second light emitting diode and the 3rd light emitting diode are lighted and order judge whether power phase is accurate.
Claims (2)
1. a kind of plug for measuring power outlet phase sequence, including header body and plug, plug are arranged on the header body back side, institute
Plug is stated for 3-phase plug；It is characterized in that：Lamp hole is provided with header body front, for plugging indicator lamp；In header body
Inside is provided with measuring circuit；
The measuring circuit includes first crystal diode, the first resistor and first luminous two being serially connected between live wire and ground wire
Pole pipe；It is serially connected in the 3rd crystal diode, 3rd resistor and the 3rd light emitting diode between zero line and live wire；It is serially connected in zero line
The second crystal diode, second resistance and the second light emitting diode between ground wire；
The indicator lamp is the first light emitting diode, the second light emitting diode and the 3rd light emitting diode, by the first light-emitting diodes
The order of pipe, the second light emitting diode and the 3rd light emitting diode, which is protruded, to be arranged in lamp hole.
2. the plug of measurement power outlet phase sequence according to claim 1, it is characterised in that：In the front of header body also
Provided with detection directory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720054868.9U CN206432517U (en) | 2017-01-18 | 2017-01-18 | A kind of plug for measuring power outlet phase sequence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720054868.9U CN206432517U (en) | 2017-01-18 | 2017-01-18 | A kind of plug for measuring power outlet phase sequence |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206432517U true CN206432517U (en) | 2017-08-22 |
Family
ID=59582482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720054868.9U Expired - Fee Related CN206432517U (en) | 2017-01-18 | 2017-01-18 | A kind of plug for measuring power outlet phase sequence |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206432517U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333441A (en) * | 2018-05-03 | 2018-07-27 | 广东电网有限责任公司 | Secondary phase checking device and system |
| CN109100607A (en) * | 2018-08-15 | 2018-12-28 | 深圳市华博精测科技有限公司 | socket tester |
-
2017
- 2017-01-18 CN CN201720054868.9U patent/CN206432517U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333441A (en) * | 2018-05-03 | 2018-07-27 | 广东电网有限责任公司 | Secondary phase checking device and system |
| CN109100607A (en) * | 2018-08-15 | 2018-12-28 | 深圳市华博精测科技有限公司 | socket tester |
| CN109100607B (en) * | 2018-08-15 | 2024-06-04 | 东莞市华博精测仪表科技有限公司 | Socket tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170822 Termination date: 20220118 |