CN202663169U - Polarity-conversion charger - Google Patents
Polarity-conversion charger Download PDFInfo
- Publication number
- CN202663169U CN202663169U CN2012202650458U CN201220265045U CN202663169U CN 202663169 U CN202663169 U CN 202663169U CN 2012202650458 U CN2012202650458 U CN 2012202650458U CN 201220265045 U CN201220265045 U CN 201220265045U CN 202663169 U CN202663169 U CN 202663169U
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- CN
- China
- Prior art keywords
- polarity
- output port
- charging device
- conversion circuit
- power
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- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a polarity-conversion charger, which comprises an alternating-current input end, a power supply conversion circuit, a detection control unit, a polarity conversion circuit, charge equipment and an output port, wherein a main supply is connected with the power supply conversion circuit which is connected with the polarity conversion circuit, the polarity conversion circuit is connected with the output port which is connected with the charge equipment, the detection control unit is connected with the output port and the polarity conversion circuit at the same time, a port II of the power supply conversion circuit is connected with an NC end II and an NO end II, a port I of the power supply conversion circuit is connected with an NO end I and an NC end I, a COM end I of a relay is connected with an output port I, a COM end II of the relay is connected with an output port II, and the output port is connected with the charge equipment. The polarity conversion circuit is a double-pole double-throw relay. According to the utility model, irrespective of the polarity of the charge equipment, a charger can automatically detect the polarity of the charge equipment and simultaneously regulate the polarity of the output port to be the same as that of the charge equipment so as to charge the charge equipment normally.
Description
Technical field
The utility model relates to a kind of charger, relates in particular to a kind of polarity convert charging device.
Background technology
Current charging device port polarity is ununified, and the polarity that the charging device that each manufacturer produces in their own way has polarity identical, that have is opposite.And the charger output port polarity on the market is fixed, and can charge normal when charger output port polarity is identical with charging device, can not charge normal when charger output port polarity is opposite with charging device, even charger and charging device are damaged.
Summary of the invention
No matter how the purpose of this utility model provides a kind of charging device polarity, charger can detect charging device polarity automatically, and it is identical with charging device to adjust simultaneously output port polarity, the polarity convert charging device of bio-occlusion charging device charging.
For achieving the above object, the technical scheme that adopts of the utility model is:
A kind of polarity convert charging device, comprising: ac input end, power-switching circuit, detection control unit, polarity switching, charging device, output port, its characteristics are: civil power is connected to power-switching circuit by ac input end, power-switching circuit is connecting polarity switching, polarity switching connects output port, output port connects charging device, detection control unit connects output port and polarity switching simultaneously, power-switching circuit port two and NC end two, NO end two is connected, power-switching circuit port one and NO end one, NC end one is connected, relay COM end one is connected with output port one, relay COM end two is connected with output port two, and output port is connected with charging device.
According to described polarity convert charging device, its characteristics are: described polarity switching is a dpdt double-pole double-throw (DPDT) relay.
The utility model has the advantages that: no matter the utility model charging device polarity how, charger can detect charging device polarity automatically, and it is identical with charging device to adjust simultaneously output port polarity, the charging of bio-occlusion charging device.
Description of drawings
Fig. 1 is the utility model structural representation.
In the accompanying drawing
1, power-switching circuit; 2, ac input end; 3, detection control unit; 4, polarity switching; 5, charging device; 6, output port; 7, the power-switching circuit port one; 8, the power-switching circuit port two; 9, the NO end one; 10, the NC end one; 11, the NO end two; 12, the NC end two; 13, coil-end one; 14, relay; 15, coil-end two; 16, the COM end one; 17, the COM end two; 18, output port one; 19, output port two.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is further described:
A kind of polarity convert charging device, such as Fig. 1, shown in Figure 2, comprising: ac input end 2, power-switching circuit 1, detection control unit 3, polarity switching 4, charging device 5, output port 6, civil power is connected to power-switching circuit 1 by ac input end 2, power-switching circuit 1 is connecting polarity switching 4, polarity switching 4 connects output port 6, output port 6 connects charging device 5, detection control unit 3 connects output port 6 and polarity switching 4 simultaneously, power-switching circuit port 28 holds 2 12 with NC, NO holds 2 11 to be connected, power-switching circuit port 1 holds 1 with NO, NC holds one 10 to be connected, relay COM holds one 16 to be connected with output port 1, relay COM holds 2 17 to be connected with output port 2 19, and output port 6 is connected with charging device 5.
Described polarity switching 4 is a dpdt double-pole double-throw (DPDT) relay in the present embodiment.
Operation principle of the present utility model is:
Power-switching circuit port 28 holds 2 12 with NC, NO holds 2 11 to be connected, power-switching circuit port 1 holds 1 with NO, NC holds one 10 to be connected, relay COM holds one 16 to be connected with output port 1, relay COM holds 2 17 to be connected with output port 2 19, output port 6 is connected with charging device 5, power-switching circuit port 28 output polarities are for just, power-switching circuit port one 7 output polarities are for negative, when detecting output port 1 for just, when output port 2 19 is negative, detection control unit 3 is given coil-end 1, low level between the coil-end 2 15, relay 14 is in release condition, then relay COM holds one 16 to be connected with power-switching circuit port 28, relay COM holds one 16 polarity for just, relay COM holds 2 17 to be connected with power-switching circuit port 1, and relay COM holds 2 17 polarity for negative.Be timing when detecting output port 1 for negative, output port 2 19, detection control unit 3 is given high level between coil-end 1, the coil-end 2 15, relay 14 is in attracting state, then relay COM holds one 16 to be connected with power-switching circuit port 1, relay COM holds one 16 polarity for negative, relay COM holds 2 17 to be connected with power-switching circuit port 28, relay COM hold 2 17 polarity for negative just.So just realized the function that the charger output polarity is consistent with charging device polarity.
The utility model beneficial effect: no matter the utility model charging device polarity how, charger can detect charging device polarity automatically, and it is identical with charging device to adjust simultaneously output port polarity, the charging of bio-occlusion charging device.
Embodiment recited above is described preferred implementation of the present utility model; be not that design of the present utility model and protection range are limited; under the prerequisite that does not break away from the utility model design concept; common engineers and technicians make the technical solution of the utility model in this area various modification and improvement all should fall into protection range of the present utility model.
Claims (2)
1. polarity convert charging device, comprising: ac input end (2), power-switching circuit (1), detection control unit (3), polarity switching (4), charging device (5), output port (6), it is characterized in that: civil power is connected to power-switching circuit (1) by ac input end (2), power-switching circuit (1) is connecting polarity switching (4), polarity switching (4) connects output port (6), output port (6) connects charging device (5), detection control unit (3) connects output port (6) and polarity switching (4) simultaneously, power-switching circuit port two (8) and NC end two (12), NO end two (11) is connected, power-switching circuit port one (7) and NO end one (9), NC end one (10) is connected, relay COM end one (16) is connected with output port one (18), relay COM end two (17) is connected with output port two (19), and output port (6) is connected with charging device (5).
2. polarity convert charging device according to claim 1, it is characterized in that: described polarity switching (4) is a dpdt double-pole double-throw (DPDT) relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202650458U CN202663169U (en) | 2012-05-29 | 2012-05-29 | Polarity-conversion charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202650458U CN202663169U (en) | 2012-05-29 | 2012-05-29 | Polarity-conversion charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202663169U true CN202663169U (en) | 2013-01-09 |
Family
ID=47458048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202650458U Expired - Fee Related CN202663169U (en) | 2012-05-29 | 2012-05-29 | Polarity-conversion charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202663169U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780255A (en) * | 2012-05-29 | 2012-11-14 | 山东润峰电子科技有限公司 | Charger with polarity conversion function |
-
2012
- 2012-05-29 CN CN2012202650458U patent/CN202663169U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780255A (en) * | 2012-05-29 | 2012-11-14 | 山东润峰电子科技有限公司 | Charger with polarity conversion function |
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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: 20130109 Termination date: 20180529 |