CN205846364U - A kind of AC charging rifle of band creepage protection function - Google Patents
A kind of AC charging rifle of band creepage protection function Download PDFInfo
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- CN205846364U CN205846364U CN201620675213.9U CN201620675213U CN205846364U CN 205846364 U CN205846364 U CN 205846364U CN 201620675213 U CN201620675213 U CN 201620675213U CN 205846364 U CN205846364 U CN 205846364U
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- 239000003990 capacitor Substances 0.000 claims description 15
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- 230000005611 electricity Effects 0.000 claims description 3
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- 238000001514 detection method Methods 0.000 claims description 2
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Abstract
This utility model relates to the AC charging rifle of a kind of band creepage protection function, including: current acquisition module, current comparing module, execution module, alarm module, processing module and power module.Current acquisition module, for gathering the electric current that in exchange rifle, live wire, zero line flow through；Current comparing module, for comparing the electric current that in exchange rifle, live wire, zero line flow through；Perform module, be used for cutting off main circuit；Alarm module, it is provided that audible alarm, prompting user's electric leakage；Processing module: storage threshold value set by human-computer interaction module, according to the current flow gathered, sends cut-out main circuit order, and triggers GPRS warning；Power module, the most described current acquisition module, current comparing module, execution module and alarm module provide power supply.The AC charging rifle of the band creepage protection function that this utility model provides achieves and cuts off main circuit in time when Vehicular charger or electric passenger vehicle car body occur electric leakage, it is to avoid electric passenger vehicle causes bigger infringement.
Description
Technical field
This utility model relates to the AC charging rifle of a kind of band creepage protection function.
Background technology
Along with the development in epoch, environmental conservation demand day by day strong, pure electric passenger vehicle the most progressively comes into the day of people
Often life.Present stage at the most non-spread overwide areas of direct-current charging post.AC charging rifle is the most being born important history and is being made
Life, current AC charging rifle simple in construction, easy to use.But the drawback of there is also, such as at Vehicular charger, leakage occurs
Can not the most actively cut-out etc. when electricity or car body electric leakage.
Utility model content
Primary and foremost purpose of the present utility model is to provide one electric leakage or car body electric leakage occur when Vehicular charger
Time the AC charging rifle of band creepage protection function that can the most actively cut off.The most of the present utility model specifically
Scheme is as follows:
A kind of AC charging rifle of band creepage protection function, including:
Current acquisition module, for gathering the electric current that in exchange rifle, live wire, zero line flow through；
Current comparing module, for comparing the electric current that in exchange rifle, live wire, zero line flow through；
Perform module, be used for cutting off main circuit；
Alarm module, it is provided that audible alarm, prompting user's electric leakage；
Processing module: storage threshold value set by human-computer interaction module, according to the current flow gathered, sends cut-out main
Circuits command, and trigger GPRS warning；
Power module, the most described current acquisition module, current comparing module, execution module and alarm module provide
Power supply.
Preferably, described power module includes the first power module, second source module and the 3rd power module；
Described first power module includes kbpc5010 rectifier bridge, and its input electrically connects with external power source and is provided with fusing
Silk, its cathode output end is electrically connected with series connection and/or the diode being arranged in parallel and regulation resistance, and described kbpc5010 is whole
The electrochemical capacitor of several different parameters it is electrically connected with between cathode output end and the described cathode output end of stream bridge；
Described second source module includes that LM2596 switching voltage regulates chip, its VIN foot and described first power module
Cathode output end connect and pass through the 7th electrochemical capacitor ground connection；ON/OFF foot and GND foot ground connection；OUT foot passes through voltage stabilizing two pole
Pipe ground connection, and it is electrically connected with the first inductance as outfan, this outfan is through the 8th electrochemical capacitor ground connection；
Described 3rd power module includes AMS117 voltage stabilizing chip, its VIN foot and the outfan of described second source module
Electrical connection, and by the 5th electrochemical capacitor ground connection；VOUT foot is as outfan and by the 9th electrochemical capacitor ground connection.
Preferably, described current acquisition module uses current transformer.
Preferably, described current comparing module uses LM393 comparator, and two input is respectively used to detection exchange rifle
The current value that middle live wire, zero line flow through, wherein electrode input end the 5th electric capacity in parallel, the 48th resistance eutral grounding, negative
Pole input the 6th electric capacity in parallel, the 49th resistance eutral grounding.
Preferably, described execution module includes photoelectrical coupler, a NPN audion and NVF4-1C-Z30a relay
Device；Described photoelectrical coupler includes light emitting diode and phototriode, described light emitting diode positive pole and described 3rd electricity
The outfan electrical connection of source module, negative pole electrically connects with described processing module through the 43rd resistance；Described phototriode
Colelctor electrode electrically connects with the crus secunda of described NVF4-1C-Z30a relay, and emitter stage is through the 60th resistance, the 45th resistance
Electrically connecting with the base stage of a described NPN audion, the base stage of a described NPN audion is also by described 45th resistance
And the 6th diode electrically connect with main circuit switch, and by the 62nd resistance eutral grounding, the current collection of a described NPN audion
Pole electrically connects with the first foot of described NVF4-1C-Z30a relay, the grounded emitter of a described NPN audion.
Preferably, described alarm module includes the 2nd NPN audion and alarm, the base of described 2nd NPN audion
Pole is electrically connected with described processing module by the 42nd resistance, and colelctor electrode electrically connects with described alarm, and described alarm is also
Electrically connect with the outfan of described 3rd power module, the grounded emitter of described 2nd NPN audion.
The AC charging rifle of band creepage protection function that this utility model provides achieves when Vehicular charger or electronic
Passenger car car body occurs to cut off main circuit in time during electric leakage, it is to avoid electric passenger vehicle causes bigger infringement.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by of the present utility model, constitutes the part of the application,
It is not intended that improper restriction of the present utility model, in the accompanying drawings:
Fig. 1 is this utility model embodiment module principle figure；
Fig. 2 a-2c is respectively this utility model embodiment the first power module, second source module and the 3rd power supply mould
Block schematic diagram；
Fig. 3 is this utility model embodiment current comparing module schematic diagram；
Fig. 4 is that this utility model embodiment performs module principle figure；
Fig. 5 is this utility model embodiment alarm module schematic diagram.
Detailed description of the invention
This utility model is described in detail, signal of the present utility model at this below in conjunction with accompanying drawing and specific embodiment
Property embodiment and explanation be used for explaining this utility model, but be not intended as restriction of the present utility model.
Embodiment
As it is shown in figure 1, the AC charging rifle of a kind of band creepage protection function, including:
Current acquisition module, for gathering the electric current that in exchange rifle, live wire, zero line flow through；
Current comparing module, for comparing the electric current that in exchange rifle, live wire, zero line flow through；
Perform module, be used for cutting off main circuit；
Alarm module, it is provided that audible alarm, prompting user's electric leakage；
Processing module: storage threshold value set by human-computer interaction module, according to the current flow gathered, sends cut-out main
Circuits command, and trigger GPRS warning
Power module, the most described current acquisition module, current comparing module, execution module and alarm module provide
Power supply.
As shown in Fig. 2 a～2c, described power module includes the first power module, second source module and the 3rd power supply
Module；
Described first power module includes kbpc5010 rectifier bridge, and its input electrically connects with external power source and is provided with fusing
Silk, its cathode output end is electrically connected with series connection and/or the diode being arranged in parallel and regulation resistance, and described kbpc5010 is whole
The electrochemical capacitor of several different parameters it is electrically connected with between cathode output end and the cathode output end of stream bridge；
Described second source module includes that LM2596 switching voltage regulates chip, its VIN foot and described first power module
Cathode output end connect and pass through the 7th electrochemical capacitor ground connection；ON/OFF foot and GND foot ground connection；OUT foot passes through voltage stabilizing two pole
Pipe ground connection, and it is electrically connected with the first inductance as outfan, this outfan is through the 8th electrochemical capacitor ground connection；
Described 3rd power module includes AMS117 voltage stabilizing chip, its VIN foot and the outfan of described second source module
Electrical connection, and by the 5th electrochemical capacitor ground connection；VOUT foot is as outfan and by the 9th electrochemical capacitor ground connection.
In the present embodiment, described current acquisition module uses current transformer.
As it is shown on figure 3, current comparing module described in the present embodiment uses LM393 comparator, two input is respectively
For detecting the current value that in exchange rifle, live wire, zero line flow through, wherein electrode input end the 5th electric capacity in parallel, the 40th
Eight resistance eutral groundings, negative input the 6th electric capacity in parallel, the 49th resistance eutral grounding.
As shown in Figure 4, perform module described in the present embodiment and include photoelectrical coupler, NPN audion and a NVF4-
1C-Z30a relay；Described photoelectrical coupler includes light emitting diode and phototriode, described light emitting diode positive pole with
The outfan electrical connection of described 3rd power module, negative pole electrically connects with described processing module through the 43rd resistance；Described light
The colelctor electrode of quick audion electrically connects with the crus secunda of described NVF4-1C-Z30a relay, emitter stage through the 60th resistance,
45 resistance electrically connect with the base stage of a described NPN audion, and the base stage of a described NPN audion is also by described
45th resistance and the 6th diode electrically connect with main circuit switch, and by the 62nd resistance eutral grounding, a described NPN
The colelctor electrode of audion electrically connects with the first foot of described NVF4-1C-Z30a relay, the transmitting of a described NPN audion
Pole ground connection.
As it is shown in figure 5, alarm module described in the present embodiment includes the 2nd NPN audion and alarm, described second
The base stage of NPN audion is electrically connected with described processing module by the 42nd resistance, and colelctor electrode electrically connects with described alarm,
Described alarm also outfan with described 3rd power module electrically connects, the grounded emitter of described 2nd NPN audion.
The electric current flow through on Live line Zero line in current acquisition module Real-time Collection AC charging rifle, current comparing module compares
The electric current that current acquisition module gathers, when there is difference, starts and performs module cut-out main circuit, trigger alarm module simultaneously,
Prompting user's electric leakage, the design response speed is exceedingly fast, and can effectively reduce or remit electric leakage to passenger car and the injury of human body.
The technical scheme provided this utility model embodiment above is described in detail, used herein specifically
Principle and the embodiment of this utility model embodiment are set forth by individual example, and the explanation of above example is only applicable to side
Assistant solves the principle of this utility model embodiment；Simultaneously for one of ordinary skill in the art, implement according to this utility model
Example, all will change in detailed description of the invention and range of application, and in sum, this specification content should not be construed as
To restriction of the present utility model.
Claims (6)
1. the AC charging rifle of a band creepage protection function, it is characterised in that including:
Current acquisition module, for gathering the electric current that in exchange rifle, live wire, zero line flow through；
Current comparing module, for comparing the electric current that in exchange rifle, live wire, zero line flow through；
Perform module, be used for cutting off main circuit；
Alarm module, it is provided that audible alarm, prompting user's electric leakage；
Processing module: storage threshold value set by human-computer interaction module, according to the current flow gathered, sends cut-out main circuit
Order, and trigger GPRS warning；
Power module, the most described current acquisition module, current comparing module, execution module and alarm module provide electricity
Source.
2. the AC charging rifle of band creepage protection function as claimed in claim 1, it is characterised in that:
Described power module includes the first power module, second source module and the 3rd power module；
Described first power module includes kbpc5010 rectifier bridge, and its input electrically connects with external power source and is provided with fuse,
Its cathode output end is electrically connected with series connection and/or the diode being arranged in parallel and regulation resistance, and described kbpc5010 rectification
The electrochemical capacitor of several different parameters it is electrically connected with between cathode output end and the cathode output end of bridge；
Described second source module includes that LM2596 switching voltage regulates chip, and its VIN foot is with described first power module just
Pole outfan connects and passes through the 7th electrochemical capacitor ground connection；ON/OFF foot and GND foot ground connection；OUT foot is connect by Zener diode
Ground, and it is electrically connected with the first inductance as outfan, this outfan is through the 8th electrochemical capacitor ground connection；
Described 3rd power module includes AMS117 voltage stabilizing chip, and its VIN foot is electrically connected with the outfan of described second source module
Connect, and by the 5th electrochemical capacitor ground connection；VOUT foot is as outfan and by the 9th electrochemical capacitor ground connection.
3. the AC charging rifle of band creepage protection function as claimed in claim 2, it is characterised in that:
Described current acquisition module uses current transformer.
4. the AC charging rifle of band creepage protection function as claimed in claim 2, it is characterised in that:
Described current comparing module use LM393 comparator, two input be respectively used to detection exchange rifle in live wire, zero
The current value that line flows through, wherein electrode input end the 5th electric capacity in parallel, the 48th resistance eutral grounding, negative input leads to
Cross the 6th electric capacity of parallel connection, the 49th resistance eutral grounding.
5. the AC charging rifle of band creepage protection function as claimed in claim 2, it is characterised in that:
Described execution module includes photoelectrical coupler, a NPN audion and NVF4-1C-Z30a relay；Described smooth thermocouple
Clutch includes the outfan of light emitting diode and phototriode, described light emitting diode positive pole and described 3rd power module
Electrical connection, negative pole electrically connects with described processing module through the 43rd resistance；The colelctor electrode of described phototriode is with described
The crus secunda electrical connection of NVF4-1C-Z30a relay, emitter stage is through the 60th resistance, the 45th resistance and a described NPN
The base stage electrical connection of audion, the base stage of a described NPN audion is also by described 45th resistance and the 6th diode
Electrically connect with main circuit switch, and by the 62nd resistance eutral grounding, the colelctor electrode of a described NPN audion is with described
First foot electrical connection of NVF4-1C-Z30a relay, the grounded emitter of a described NPN audion.
6. the AC charging rifle of band creepage protection function as claimed in claim 2, it is characterised in that:
Described alarm module includes the 2nd NPN audion and alarm, and the base stage of described 2nd NPN audion passes through the 40th
Two resistance electrically connect with described processing module, and colelctor electrode electrically connects with described alarm, and described alarm is also electric with the described 3rd
The outfan electrical connection of source module, the grounded emitter of described 2nd NPN audion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620675213.9U CN205846364U (en) | 2016-06-28 | 2016-06-28 | A kind of AC charging rifle of band creepage protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620675213.9U CN205846364U (en) | 2016-06-28 | 2016-06-28 | A kind of AC charging rifle of band creepage protection function |
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| Publication Number | Publication Date |
|---|---|
| CN205846364U true CN205846364U (en) | 2016-12-28 |
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|---|---|---|---|
| CN201620675213.9U Expired - Fee Related CN205846364U (en) | 2016-06-28 | 2016-06-28 | A kind of AC charging rifle of band creepage protection function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106851952A (en) * | 2017-01-04 | 2017-06-13 | 上海奕瑞光电子科技有限公司 | A kind of flat panel detector circuit implementing method for reducing patient leakage current |
| CN110040024A (en) * | 2019-05-10 | 2019-07-23 | 南通大地新能源汽车电控与连接技术研究院有限公司 | A kind of electric car charger |
| CN112406572A (en) * | 2020-11-06 | 2021-02-26 | 广州小鹏自动驾驶科技有限公司 | Vehicle charging port abrasion detection method and detection device |
-
2016
- 2016-06-28 CN CN201620675213.9U patent/CN205846364U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106851952A (en) * | 2017-01-04 | 2017-06-13 | 上海奕瑞光电子科技有限公司 | A kind of flat panel detector circuit implementing method for reducing patient leakage current |
| CN106851952B (en) * | 2017-01-04 | 2018-09-25 | 上海奕瑞光电子科技股份有限公司 | A kind of flat panel detector circuit implementing method reducing patient leakage current |
| CN110040024A (en) * | 2019-05-10 | 2019-07-23 | 南通大地新能源汽车电控与连接技术研究院有限公司 | A kind of electric car charger |
| CN112406572A (en) * | 2020-11-06 | 2021-02-26 | 广州小鹏自动驾驶科技有限公司 | Vehicle charging port abrasion detection method and detection device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 510000 Guangzhou science and Technology Development Zone, Guangdong city high tech Industrial Development Zone, No. 3, spectral West Road, building 3, building 318 Patentee after: GUANGDONG XINGGUO NEW ENERGY TECHNOLOGY CO.,LTD. Address before: 510000 Guangdong, Guangzhou, Fangcun, West Avenue, No. 1, building four, floor E-22 room, Patentee before: GUANGZHOU XINGUO NEW ENERGY TECHNOLOGY CO.,LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 |