CN2852492Y - Automatic butt joint device for charger polarity - Google Patents
Automatic butt joint device for charger polarity Download PDFInfo
- Publication number
- CN2852492Y CN2852492Y CN 200520116674 CN200520116674U CN2852492Y CN 2852492 Y CN2852492 Y CN 2852492Y CN 200520116674 CN200520116674 CN 200520116674 CN 200520116674 U CN200520116674 U CN 200520116674U CN 2852492 Y CN2852492 Y CN 2852492Y
- Authority
- CN
- China
- Prior art keywords
- butt joint
- automatic butt
- polarity
- output
- charger
- Prior art date
- 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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- Y02E60/12—
Abstract
The utility model relates to an automatic butt joint device for charger polarities. A polarity conversion circuit and a checking and identifying circuit are arranged between the input end and the output end of the automatic butt joint device for polarities, wherein the polarity conversion circuit is provided with two groups of butt joint switches which carry out the butt joint to the input end and the output end, a relay which controls the two groups of butt joint switches is arranged in the checking and identifying circuit, and diodes are respectively arranged among a positive input end and two output lines or among a negative output end and the two output lines. After the automatic butt joint device for polarities of the utility model is butted with an accumulator, the checking and identifying circuit checks the character pole of the accumulator; after a logical correlation, a control signal is output to switch on the polarity conversion circuit, thereby, the automatic butt joint of the charger and the accumulator is completed. The utility model makes the accumulator charge conveniently. The diodes are respectively arranged among the positive input end and two input lines or among the negative input end and the two output lines, which makes the automatic butt joint device for charger polarities have simple structure, reliable operation and low manufacturing cost.
Description
Technical field:
The utility model relates to a kind of charger polarity automatic butt device.
Background technology:
At present, when charger charges to storage battery, need the charger output is docked by same polarity with storage battery, polarity connects and instead can cause and can't charge, even damages storage battery and charger.Be head it off, just set up polarity automatic butt device in the charger that has.But polarity automatic butt device commonly used generally adopts optic coupling element to detect the polarity of storage battery, makes polarity automatic butt device complex circuit, the manufacturing cost height.
Summary of the invention:
The purpose of this utility model is: the charger polarity automatic butt device that a kind of simple in structure, low cost of manufacture is provided.The utility model is achieved through the following technical solutions:
A kind of charger polarity automatic butt device is provided with polarity switching and detects identification circuit between the input of polarity automatic butt device and output; It is characterized in that: described polarity switching is provided with two groups of butt joint switches of butt joint input and output, detects the relay that is provided with two groups of butt joints of control switch in the identification circuit, and the anode of input or negative terminal and output line-to-line are respectively equipped with diode.With polarity automatic butt device of the present utility model with after storage battery docks, the detection identification circuit detects the property utmost point of storage battery, after carrying out the logic contrast, the output control signal is connected polarity switching, thereby finishes the polarity automatic butt of charger and storage battery.It makes charge in batteries very convenient, and can effectively protect storage battery and charger.Anode or negative terminal and output line-to-line in input are respectively equipped with diode, but diode conduction detection identification circuit, make and detect identification circuit and can finish detection identification, make simple in structure, reliable operation, the low cost of manufacture of charger polarity automatic butt device simultaneously the polarity of storage battery.
In the utility model, described detection identification circuit comprises: the two poles of the earth of polarity automatic butt device output link to each other with the base stage of two triode T1, T2 respectively, the collector electrode of two triodes is connected with two relay J 1, J2 respectively, the emitter of two triodes links to each other with diode D1, D2, and the other end of diode links to each other with polarity automatic butt device two outputs respectively.Detect identification circuit and adopt foregoing circuit, its simple in structure, reliable operation.
In the utility model, described polarity switching comprises: relay J 1, J2 coil are located at the collector electrode of corresponding separately triode T1, T2, and the butt joint switch of relay J 1, J2 is located between the input and output of polarity automatic butt device.Polarity switching adopts foregoing circuit, its simple in structure, reliable operation.
Description of drawings:
Fig. 1 is the utility model embodiment 1 schematic diagram.
Fig. 2 is the utility model embodiment 2 schematic diagrames.
Embodiment:
As shown in Figure 1: be provided with polarity switching between the input IN of the charger polarity automatic butt device of present embodiment and output OUT and detect identification circuit.Polarity switching is provided with two groups of butt joint K switch 1, the K2 of butt joint input and output, detects the relay J 1, the J2 that are provided with two groups of butt joints of control switch in the identification circuit, and the anode of input or negative terminal and output line-to-line are respectively equipped with diode D1, D2.
The detection identification circuit comprises: the two poles of the earth 1,2 of polarity automatic butt device output link to each other with the base stage of two triode T1, T2 respectively, the collector electrode of two triodes is connected with two relay J 1, J2 respectively, the emitter of two triodes links to each other with diode D1, D2, and the other end of diode links to each other with polarity automatic butt device two outputs respectively.In the present embodiment, triode T1, T2 adopt the NPN triode.
Polarity switching comprises: relay J 1, J2 coil are located at the collector electrode of corresponding separately triode T1, T2, and the butt joint switch of relay (J1, J2) is located between the input and output of polarity automatic butt device.
The course of work of present embodiment is as follows: polarity automatic butt device is with after storage battery docks, when output one utmost point 1 that joins with storage battery during for positive voltage, triode T1, diode D2 conducting, relay J 1 adhesive, make 1 butt joint of butt joint K switch, thereby finish the polarity automatic butt of charger and storage battery.
When a utmost point 2 of output is positive voltage, triode T2, diode D1 conducting, relay J 2 adhesives make 2 butt joints of butt joint K switch, thereby finish the polarity automatic butt of charger and storage battery.
The utility model is very convenient to charge in batteries, and can effectively protect storage battery, is particularly suitable for the storage battery in the electric motor car is charged.Anode or negative terminal and output line-to-line in input are respectively equipped with diode, make simple in structure, reliable operation, the low cost of manufacture of charger polarity automatic butt device.
Fig. 2 has provided another embodiment of the present utility model, in the present embodiment, triode T1, T2 adopt the PNP triode, diode D1, D2 and embodiment 1 ratio inverse access mutually, the operating voltage of relay J 1, J2 is provided with negative voltage, and it can realize goal of the invention of the present utility model equally.
Claims (3)
1, a kind of charger polarity automatic butt device is provided with polarity switching and detects identification circuit between the input of polarity automatic butt device and output; It is characterized in that: described polarity switching is provided with two groups of butt joint switches of butt joint input and output, detects the relay that is provided with two groups of butt joints of control switch in the identification circuit, and the anode of input or negative terminal and output line-to-line are respectively equipped with diode.
2, charger polarity automatic butt device according to claim 1; It is characterized in that: described detection identification circuit comprises: the two poles of the earth of polarity automatic butt device output link to each other with the base stage of two triodes (T1, T2) respectively, the collector electrode of two triodes is connected with two relays (J1, J2) respectively, the emitter of two triodes links to each other with diode (D1, D2), and the other end of diode links to each other with polarity automatic butt device two outputs respectively.
3, charger polarity automatic butt device according to claim 1; It is characterized in that: described polarity switching comprises: relay (J1, J2) coil is located at the collector electrode of corresponding separately triode (T1, T2), and the butt joint switch of relay (J1, J2) is located between the input and output of polarity automatic butt device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520116674 CN2852492Y (en) | 2005-11-22 | 2005-11-22 | Automatic butt joint device for charger polarity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520116674 CN2852492Y (en) | 2005-11-22 | 2005-11-22 | Automatic butt joint device for charger polarity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2852492Y true CN2852492Y (en) | 2006-12-27 |
Family
ID=37586447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520116674 Expired - Fee Related CN2852492Y (en) | 2005-11-22 | 2005-11-22 | Automatic butt joint device for charger polarity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2852492Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7592781B2 (en) | 2007-01-11 | 2009-09-22 | Hon Hai Precision Industry Co., Ltd. | Charger control circuit with automatic polarity selection |
| 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 |
| CN103457466A (en) * | 2013-09-16 | 2013-12-18 | 天津市畅悦电子科技有限公司 | Circuit capable of automatically transforming polarity |
| CN104143843A (en) * | 2013-05-07 | 2014-11-12 | 明苋科技有限公司 | Intelligent vehicle rescue battery device |
| CN109756125A (en) * | 2018-12-07 | 2019-05-14 | 中电科仪器仪表(安徽)有限公司 | A kind of programme-controlled dc power output polarity reverse circuit |
| CN113482832A (en) * | 2021-07-06 | 2021-10-08 | 深圳市天成实业科技有限公司 | Intelligent ignition clamp and starting device |
-
2005
- 2005-11-22 CN CN 200520116674 patent/CN2852492Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7592781B2 (en) | 2007-01-11 | 2009-09-22 | Hon Hai Precision Industry Co., Ltd. | Charger control circuit with automatic polarity selection |
| CN100555825C (en) * | 2007-01-11 | 2009-10-28 | 鸿富锦精密工业（深圳）有限公司 | Electrode converting circuit |
| 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 |
| CN104143843A (en) * | 2013-05-07 | 2014-11-12 | 明苋科技有限公司 | Intelligent vehicle rescue battery device |
| CN103457466A (en) * | 2013-09-16 | 2013-12-18 | 天津市畅悦电子科技有限公司 | Circuit capable of automatically transforming polarity |
| CN103457466B (en) * | 2013-09-16 | 2015-12-23 | 天津市畅悦电子科技有限公司 | A kind of auto-changing polar circuit |
| CN109756125A (en) * | 2018-12-07 | 2019-05-14 | 中电科仪器仪表(安徽)有限公司 | A kind of programme-controlled dc power output polarity reverse circuit |
| CN113482832A (en) * | 2021-07-06 | 2021-10-08 | 深圳市天成实业科技有限公司 | Intelligent ignition clamp and starting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061227 Termination date: 20091222 |