CN205509613U - Automatic electric vehicle charging ware of positive negative pole is switched over in discernment - Google Patents
Automatic electric vehicle charging ware of positive negative pole is switched over in discernment Download PDFInfo
- Publication number
- CN205509613U CN205509613U CN201620117600.0U CN201620117600U CN205509613U CN 205509613 U CN205509613 U CN 205509613U CN 201620117600 U CN201620117600 U CN 201620117600U CN 205509613 U CN205509613 U CN 205509613U
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- China
- Prior art keywords
- switching circuit
- voltage switching
- charger
- battery
- control circuit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an automatic electric vehicle charging ware of positive negative pole is switched over in discernment, including input, charger and output, the charger includes that ACDC converting means, DC voltage switching circuit and singlechip detect control circuit, ACDC converting means external power supply, with ac inversion become direct current and export for DC voltage switching circuit on one side, the control circuit power supply detected to the singlechip on one side, DC voltage switching circuit includes the relay, the singlechip detects the control circuit analysis and detection data and sends feedback signal to DC voltage switching circuit, and control relay switch circuit guarantees that the polarity of electric motor car battery correctly connects to the power. Beneficial effect: compared with the prior art, the utility model, utilizing electronic technology automatic identification to wait the positive negative pole of the battery that charges and use the relay automatic switch -over, avoiding the transposition of charger polarity, simple and direct convenience lengthens the life of charger and battery to a certain extent.
Description
Technical field
This utility model relates to a kind of charger, particularly to a kind of electric car charger that can automatically identify switching both positive and negative polarity, belongs to appliance field.
Background technology
Charger and battery are one of critical components of electric motor car, the quality of its performance directly affects the serviceability of electric motor car, the both positive and negative polarity of the charging voltage of existing electric car charger output is all fixing, the both positive and negative polarity situation of original charger must be made clear before changing charger, buy mistake or setup error can damage charger or battery most probably, cause user inconvenience greatly and loss.
Utility model content
Utility model purpose: this utility model aims to provide a kind of electric car charger that can automatically identify switching both positive and negative polarity, makes, in charging process, not damage because of the reversal connection of polarity, still can charge normal.
Technical scheme: the electric car charger of a kind of automatic identification switching both positive and negative polarity, including input, charger and outfan；Described charger includes AC/DC converting means, D/C voltage switching circuit and single-chip microcomputer detection control circuit；Described AC/DC converting means external power supply, converts alternating current to unidirectional current and exports to D/C voltage switching circuit, while powering to single-chip microcomputer detection control circuit；Described D/C voltage switching circuit includes relay, and unidirectional current is exported to battery of electric vehicle by it, and battery of electric vehicle feeds back to D/C voltage switching circuit detection signal, and detection data are exported and detect control circuit to single-chip microcomputer by D/C voltage switching circuit；Described single-chip microcomputer detection control circuit analysis detecting data also sends feedback signal to D/C voltage switching circuit, controls relay switching circuit, it is ensured that the polarity of battery of electric vehicle is correctly connected to power supply.
Preference, in order to not obscure the both positive and negative polarity of charger, described D/C voltage switching circuit has the function automatically restoring to initial setting up, and charging terminates every time, and D/C voltage switching circuit just automatically restores to initial setting up.
Beneficial effect: this utility model is compared with prior art, electronic technology is utilized automatically to identify battery plus-negative plate to be charged and use relay to automatically switch, avoid the reversal connection of charger polarity, simple and convenient, extend charger and the service life of battery to a certain extent.
Accompanying drawing explanation
Fig. 1 is circuit block diagram of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described further.
As it is shown in figure 1, the electric car charger of a kind of automatic identification switching both positive and negative polarity, including input, charger and outfan；Described charger includes AC/DC converting means 1, D/C voltage switching circuit 2 and single-chip microcomputer detection control circuit 3；Described AC/DC converting means 1 external power supply, converts alternating current to unidirectional current and exports to D/C voltage switching circuit 2, while powering to single-chip microcomputer detection control circuit 3；Described D/C voltage switching circuit 2 includes relay 21, and unidirectional current is exported to battery of electric vehicle by it, and battery of electric vehicle feeds back to D/C voltage switching circuit 2 and detects signal, and detection data are exported and detect control circuit 3 to single-chip microcomputer by D/C voltage switching circuit 2；Described single-chip microcomputer detection control circuit 3 analysis detecting data also sends feedback signal to D/C voltage switching circuit 2, controls relay 21 switching circuit, it is ensured that the polarity of battery of electric vehicle is correctly connected to power supply.Charging terminates every time, and D/C voltage switching circuit 2 just automatically restores to initial setting up.
Above in conjunction with accompanying drawing, the embodiment of utility model is explained in detail; but this utility model is not limited to above-mentioned embodiment; in the ken that one skilled in the relevant art is possessed; without departing from the various changes done by this utility model design, still fall at protection domain of the present utility model.
Claims (2)
1. an electric car charger for automatic identification switching both positive and negative polarity, including input, charger and outfan；It is characterized in that: described charger includes AC/DC converting means (1), D/C voltage switching circuit (2) and single-chip microcomputer detection control circuit (3)；Described AC/DC converting means (1) external power supply, converts alternating current to unidirectional current and exports to D/C voltage switching circuit (2), while to single-chip microcomputer detection control circuit (3) power supply；Described D/C voltage switching circuit (2) includes relay (21), unidirectional current is exported to battery of electric vehicle by it, battery of electric vehicle feeds back to D/C voltage switching circuit (2) detection signal, and detection data are exported to single-chip microcomputer detection control circuit (3) by D/C voltage switching circuit (2)；Described single-chip microcomputer detection control circuit (3) analysis detecting data also sends feedback signal to D/C voltage switching circuit (2), controls relay (21) switching circuit, it is ensured that the polarity of battery of electric vehicle is correctly connected to power supply.
The electric car charger of automatic identification the most according to claim 1 switching both positive and negative polarity, it is characterized in that: described D/C voltage switching circuit (2) has the function automatically restoring to initial setting up, charging terminates every time, and D/C voltage switching circuit (2) just automatically restores to initial setting up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117600.0U CN205509613U (en) | 2016-02-06 | 2016-02-06 | Automatic electric vehicle charging ware of positive negative pole is switched over in discernment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117600.0U CN205509613U (en) | 2016-02-06 | 2016-02-06 | Automatic electric vehicle charging ware of positive negative pole is switched over in discernment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205509613U true CN205509613U (en) | 2016-08-24 |
Family
ID=56724186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620117600.0U Expired - Fee Related CN205509613U (en) | 2016-02-06 | 2016-02-06 | Automatic electric vehicle charging ware of positive negative pole is switched over in discernment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205509613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111541286A (en) * | 2020-04-28 | 2020-08-14 | 广州智光电气技术有限公司 | Polarity switching circuit and device of battery energy storage system and battery energy storage system |
-
2016
- 2016-02-06 CN CN201620117600.0U patent/CN205509613U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111541286A (en) * | 2020-04-28 | 2020-08-14 | 广州智光电气技术有限公司 | Polarity switching circuit and device of battery energy storage system and battery energy storage system |
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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 |
Granted publication date: 20160824 Termination date: 20190206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |