CN212462781U - Zero live wire of intelligent charging stake prevents reverse connection structure - Google Patents
Zero live wire of intelligent charging stake prevents reverse connection structure Download PDFInfo
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- CN212462781U CN212462781U CN202020784166.8U CN202020784166U CN212462781U CN 212462781 U CN212462781 U CN 212462781U CN 202020784166 U CN202020784166 U CN 202020784166U CN 212462781 U CN212462781 U CN 212462781U
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- 239000004744 fabric Substances 0.000 claims abstract description 9
- 230000002265 prevention Effects 0.000 claims 4
- 230000006698 induction Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an anti-transposition structure is prevented to zero live wire of intelligent charging stake, including two-sided PCB cloth board, the one side of two-sided PCB cloth board is equipped with the response PCB and walks the line, and the another side is equipped with the PCB live wire of being surveyed, and the response PCB walks the line and is crossed the cross and arrange by survey PCB live wire, the line is walked with first triode base to the response PCB and is connected, and first triode collecting electrode is connected with second triode base, and second triode projecting pole is connected with the PCB live wire of being surveyed, and the power is met, and the PCB live wire of being surveyed is connected and is connected with third triode collecting electrode, is surveyed the PCB live wire and is connected and the singlechip is connected, and second triode collecting electrode is connected with the third. The utility model discloses to detect in the zero fire line function is introduced into charging pile, replace artifical judgement, the rate of accuracy reaches one hundred percent, and one hundred percent ensures that idle socket can not be electrified. Utility model implementation scheme low cost easily promotes and practical application reforms transform.
Description
Technical Field
The utility model belongs to the intelligent charging stake field especially relates to an intelligent charging stake zero line and live wire prevent reverse connection structure.
Background
The charging pile has the function similar to an oiling machine in a gas station, can be fixed on the ground or on the wall, is installed in public buildings (public buildings, markets, public parking lots and the like) and residential district parking lots or charging stations, and can charge various types of electric vehicles according to different voltage grades. The input end of the charging pile is directly connected with an alternating current power grid, and the output end of the charging pile is provided with a charging plug for charging the electric automobile. Fill electric pile and generally provide two kinds of charging methods of conventional charging and quick charge, people can use specific charging card to swipe the card and use on the human-computer interaction operation interface that fills electric pile and provide, carry out operations such as corresponding charging method, charging time, expense data printing, fill electric pile display screen and can show data such as the charge volume, expense, charging time.
The zero line and live wire of charging pile on the existing market is still available in reverse connection, and all depends on the responsibility attitude of installation personnel, the zero line and live wire of a plurality of charging piles are connected reversely, the ground wire is lost, only the zero line is broken when the zero line and live wire are disconnected, and the live wire still has electricity in the socket, so that the potential safety hazard is brought.
Disclosure of Invention
The utility model aims at prior art's defect, a zero live wire of intelligent charging stake prevents reverse connection structure is provided.
In order to realize the above purpose, the utility model adopts the following technical scheme:
the utility model provides an anti-transposition structure is prevented to intelligent charging stake zero live wire, includes two-sided PCB cloth board, the one side of two-sided PCB cloth board is equipped with the response PCB and walks the line, and the another side is equipped with the PCB live wire of being surveyed, the response PCB walks the line and is criss-cross arrangement with the PCB live wire of being surveyed, the response PCB walks the line and is connected with first triode base, first triode collecting electrode is connected with second triode base, and second triode projecting pole is connected with the PCB live wire of being surveyed, and the power of meeting, being surveyed the PCB live wire and being connected with third triode collecting electrode, being connected with the singlechip by the PCB live wire of being surveyed, second triode collecting electrode is connected with the third triode base, first triode projecting pole and third.
Furthermore, the line width of the induction PCB wiring line is not less than 3 mm.
Further, the width of the live wire of the PCB to be tested is not less than 2 mm.
Further, the distance between the periphery of the induction PCB and other alternating current lines is larger than 30 mm.
Furthermore, a first resistor is arranged between the collector electrode of the first triode and the base electrode of the second triode.
Furthermore, a second resistor is arranged between the collector electrode of the second triode and the base electrode of the third triode.
Furthermore, a third resistor is arranged between the emitting electrode of the second triode and the live wire of the PCB to be tested.
Further, the type of the single chip microcomputer is GD32F303 RC.
Adopt the technical scheme of the utility model, the beneficial effects of the utility model are that: compared with the prior art, the utility model discloses to detect in the zero-fire line function is introduced into charging pile, replace artifical judgement, the rate of accuracy reaches one hundred percent, and one hundred percent ensures that idle socket can not be electrified. Utility model implementation scheme low cost easily promotes and practical application reforms transform.
Drawings
Fig. 1 is a schematic circuit diagram of an anti-reverse connection structure for live and zero lines of an intelligent charging pile;
fig. 2 is a schematic diagram of a PCB structure of an anti-reverse connection structure for a live line and a zero line of an intelligent charging pile provided by the utility model;
fig. 3 is the utility model provides a pair of intelligent charging stake zero live wire prevents reverse connection structure implementation schematic diagram.
Detailed Description
The specific embodiments of the present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 and 2, an anti-reverse connection structure for zero live wire of an intelligent charging pile comprises a double-sided PCB cloth plate 1, wherein one side of the double-sided PCB cloth plate 1 is provided with an induction PCB wire 3, the other side of the double-sided PCB cloth plate is provided with a tested PCB live wire 2, the induction PCB wire 3 and the tested PCB live wire 2 are arranged in a cross manner, the induction PCB wire 3 is connected with a base of a first triode Q1, a collector of the first triode Q1 is connected with a base of a second triode Q2, an emitter of the second triode Q2 is connected with the tested PCB live wire 2 and is powered, the tested PCB live wire 2 is connected with a collector of a third triode Q3, the tested PCB live wire 2 is connected with a single chip microcomputer 5, a collector of the second triode Q2 is connected with a base of the third triode Q3, and an emitter of the first triode Q1 is grounded with an emitter of. The type of the singlechip 5 is GD32F303 RC.
The line width of the induction PCB routing 3 is not less than 3 mm. And the width of 2 live wires of the PCB to be tested is not less than 2 mm. The distance between the periphery of the induction PCB and other alternating current lines is more than 30 mm.
A first resistor R1 is arranged between the collector of the first triode Q1 and the base of the second triode Q2. And a second resistor R2 is arranged between the collector of the second triode Q2 and the base of the third triode Q3. And a third resistor R3 is arranged between the emitting electrode of the second triode Q2 and the live wire 2 of the PCB to be tested.
Fig. 3 does the utility model provides a pair of intelligent charging stake zero live wire prevents reverse connection structure implementation schematic diagram, with this structrual installation on charging stake machine case 4, detect the back through detection circuitry, singlechip 5, show the testing result on display interface 6.
The specific detection process comprises the following steps: the response is surveyed the circuit electric field, and when sensing the live wire electric field, first triode Q1 switches on, then second triode Q2 switches on, and then third triode Q3 switches on, and singlechip 5 detects the foot voltage and has high level to become the low level, then judges that the detection circuitry is the live wire. Fill electric pile normal work, 5 detection voltage of singlechip are the high level after the start, then think that the zero live wire connects reversely, show that the zero live wire connects reverse fault code, can not get into standby state, fill the unable normal use of electric pile.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (7)
1. The utility model provides an anti-transposition structure is prevented to intelligent charging stake zero live wire, a serial communication port, including two-sided PCB cloth board, the one side of two-sided PCB cloth board is equipped with the response PCB and walks the line, and the another side is equipped with the PCB live wire of being surveyed, the response PCB walks the line and is arranged by the cross, the response PCB walks the line and is connected with first triode base, first triode collecting electrode is connected with second triode base, and second triode projecting pole is connected with the PCB live wire of being surveyed, and the power supply that connects, the PCB live wire of being surveyed is connected and is connected with third triode collecting electrode, is connected with the singlechip by the PCB live wire of being surveyed, second triode collecting electrode is connected with third triode base, first triode projecting pole and third triode projecting pole ground connection.
2. The intelligent charging pile zero-live wire and live wire anti-reverse connection structure as claimed in claim 1, wherein the line width of the sensing PCB is not less than 3 mm.
3. The intelligent charging pile zero-live wire and live wire anti-reverse connection structure of claim 1, wherein the line width of the tested PCB live wire is not less than 2 mm.
4. The intelligent charging pile neutral-live wire reverse connection prevention structure as claimed in claim 1, wherein a first resistor is arranged between the collector electrode of the first triode and the base electrode of the second triode.
5. The intelligent charging pile neutral-live wire reverse connection prevention structure as claimed in claim 1, wherein a second resistor is arranged between the collector of the second triode and the base of the third triode.
6. The intelligent charging pile neutral-live wire reverse connection prevention structure as claimed in claim 1, wherein a third resistor is arranged between the emitter of the second triode and the live wire of the PCB to be tested.
7. The intelligent charging pile zero-live wire reverse connection prevention structure as claimed in claim 1, wherein the type of the single chip microcomputer is GD32F303 RC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020784166.8U CN212462781U (en) | 2020-05-13 | 2020-05-13 | Zero live wire of intelligent charging stake prevents reverse connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020784166.8U CN212462781U (en) | 2020-05-13 | 2020-05-13 | Zero live wire of intelligent charging stake prevents reverse connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212462781U true CN212462781U (en) | 2021-02-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020784166.8U Active CN212462781U (en) | 2020-05-13 | 2020-05-13 | Zero live wire of intelligent charging stake prevents reverse connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212462781U (en) |
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2020
- 2020-05-13 CN CN202020784166.8U patent/CN212462781U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 311100 room 602-1, building 11, No. 1008, yearning street, Cangqian street, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: HANGZHOU CHAOXIANG TECHNOLOGY Co.,Ltd. Address before: 2 / F and 3 / F, 29-8 Jiaqi Road, Xianlin street, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU CHAOXIANG TECHNOLOGY Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An Intelligent Charging Station Zero Fire Line Anti Reverse Connection Structure Granted publication date: 20210202 Pledgee: Guotou Taikang Trust Co.,Ltd. Pledgor: HANGZHOU CHAOXIANG TECHNOLOGY Co.,Ltd. Registration number: Y2024980020947 |