CN202840512U - Reverse-connection-preventing relay switch circuit - Google Patents
Reverse-connection-preventing relay switch circuit Download PDFInfo
- Publication number
- CN202840512U CN202840512U CN 201220435095 CN201220435095U CN202840512U CN 202840512 U CN202840512 U CN 202840512U CN 201220435095 CN201220435095 CN 201220435095 CN 201220435095 U CN201220435095 U CN 201220435095U CN 202840512 U CN202840512 U CN 202840512U
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- switch
- contact
- circuit
- relay
- reverse
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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 relates to a circuit and especially relates to a reverse-connection-preventing relay switch circuit. The reverse-connection-preventing relay switch circuit comprises a switch K1 and a switch K2. Both switches have two contacts. A power supply anode A is connected with the switch K2 while a power supply cathode is connected with the switch K1. The common end of one contact of the switch K1 and one contact of the switch K2 is connected with one electrode of a charging storage battery. The common end of the other contact of the switch K1 and the other contact of the switch K2 is connected with the other electrode of the charging storage battery. A relay circuit capable of unidirectional conduction and magnetic generation is connected between the common end of one contact of the switch K1 and one contact of the switch K2 and the common end of the other contact of the switch K1 and the other contact of the switch K2. The relay switch circuit can achieve that a charger can work as normal when the charging storage battery has the electrodes reversely connected. The reverse-connection-preventing relay switch circuit provided by the utility model has the advantages of simple structure, convenient use and safety.
Description
Technical field
The utility model relates to a kind of circuit, relates in particular to a kind of anti-reverse relay switch circuit.
Background technology
Develop rapidly along with digital product market, the portable mobile apparatus such as mobile phone, digital camera is more and more general, the replacement at full speed also occurs its supporting charger changes, existing technology and product can not satisfy people's actual needs, therefore need some not only convenient but also safe New Products of exploitation to improve existing situation.
Existing charger mostly is greatly the charger with the mobile device standard configuration, charger and its connecting circuit power supply of storage battery that needs to charge generally want positive pole to connect positive pole, negative pole connects negative pole, be exactly can not reversal connection, sort circuit has certain pluses and minuses, in case carelessness appears, reverse polarity connection, beyond thought infringement or larger accident can appear.
Summary of the invention
The purpose of this utility model just provides and a kind ofly can realize anti-reverse relay switch circuit.
The technical scheme that the utility model provides is:
Anti-reverse relay switch circuit, K switch 1, K2 have two contact points, positive source A connecting valve K2, power cathode B connecting valve K1, be connected the common port of a contact and connect charging battery jar one utmost point in a contact of K switch 1 with K2, being connected the common port of another contact and connecting another utmost point of charging battery jar in another contact of K switch 1 with K2, also is connected with the relay circuit that has one-way conduction and can produce magnetic between the common port of another contact of the common port of contact of K switch 1 and the contact of K2 and another contact of K switch 1 and K2.
Concrete, described relay circuit route relay coil L and diode D are connected in series composition, the negative pole end of diode D connects the end of relay coil L, storage battery negative pole B' when the positive pole connection storage battery of diode D is just connecing, the anodal A' of charging battery jar when the other end connection storage battery of relay coil L is just connecing.
Anti-reverse relay switch electric routing switch circuit, the compositions such as control circuit.Charger can also work when the utility model can be implemented in the A'B' reversal connection.A meets charging battery jar A' for anodal during normal operation, and it is negative pole that B meets charging battery jar B', K switch 1 make contact 3, and K switch 2 make contacts 1, not conducting of relay circuit charges normal work.When the A'B' reversal connection, namely A' is negative pole, and B' is anodal, the relay circuit conducting, because magnetic action makes K switch 1 make contact 2, and K switch 2 make contacts 4, this moment, switching circuit again can normally, and charging can work on.The utility model is simple in structure, and is easy to use, safety.
Description of drawings
Fig. 1 is the schematic diagram of this use new-type circuit.
Embodiment
Anti-reverse relay switch circuit, K switch 1, K2 have two contact points, positive source A connecting valve K2, power cathode B connecting valve K1, be connected the common port of a contact and connect charging battery jar one utmost point in a contact of K switch 1 with K2, being connected the common port of another contact and connecting another utmost point of charging battery jar in another contact of K switch 1 with K2, also is connected with the relay circuit that has one-way conduction and can produce magnetic between the common port of another contact of the common port of contact of K switch 1 and the contact of K2 and another contact of K switch 1 and K2.
Described relay circuit is connected in series by relay coil L and diode D and forms, the negative pole end of diode D connects the end of relay coil L, storage battery negative pole B' when the positive pole connection storage battery of diode D is just connecing, the anodal A' of charging battery jar when the other end connection storage battery of relay coil L is just connecing.
Anti-reverse relay switch electric routing switch circuit, the compositions such as control circuit.Charger can also work when the utility model can be implemented in the A'B' reversal connection.A meets charging battery jar A' for anodal during normal operation, and it is negative pole that B meets charging battery jar B', K switch 1 make contact 3, and K switch 2 make contacts 1, not conducting of relay circuit charges normal work.When the A'B' reversal connection, namely A' is negative pole, and B' is anodal, the relay circuit conducting, because magnetic action makes K switch 1 make contact 2, and K switch 2 make contacts 4, this moment, switching circuit again can normally, and charging can work on.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (2)
1. anti-reverse relay switch circuit, it is characterized in that, K switch 1, K2 have two contact points, positive source A connecting valve K2, power cathode B connecting valve K1, be connected the common port of a contact and connect charging battery jar one utmost point in a contact of K switch 1 with K2, being connected the common port of another contact and connecting another utmost point of charging battery jar in another contact of K switch 1 with K2, also is connected with the relay circuit that has one-way conduction and can produce magnetic between the common port of another contact of the common port of contact of K switch 1 and the contact of K2 and another contact of K switch 1 and K2.
2. anti-reverse relay switch circuit according to claim 1, it is characterized in that, described relay circuit is connected in series by relay coil L and diode D and forms, the negative pole end of diode D connects the end of relay coil L, storage battery negative pole B' when the positive pole connection storage battery of diode D is just connecing, the anodal A' of charging battery jar when the other end connection storage battery of relay coil L is just connecing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220435095 CN202840512U (en) | 2012-08-30 | 2012-08-30 | Reverse-connection-preventing relay switch circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220435095 CN202840512U (en) | 2012-08-30 | 2012-08-30 | Reverse-connection-preventing relay switch circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202840512U true CN202840512U (en) | 2013-03-27 |
Family
ID=47952128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220435095 Expired - Fee Related CN202840512U (en) | 2012-08-30 | 2012-08-30 | Reverse-connection-preventing relay switch circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202840512U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158167A (en) * | 2013-05-14 | 2014-11-19 | 深圳市海洋王照明工程有限公司 | Positive and negative polarity conversion circuit and electronic equipment |
| CN105929759A (en) * | 2016-06-28 | 2016-09-07 | 王玉华 | Smart switch system |
| CN106253395A (en) * | 2016-08-22 | 2016-12-21 | 江苏大学 | A kind of electric motor car Intelligent charging unit and using method thereof |
-
2012
- 2012-08-30 CN CN 201220435095 patent/CN202840512U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158167A (en) * | 2013-05-14 | 2014-11-19 | 深圳市海洋王照明工程有限公司 | Positive and negative polarity conversion circuit and electronic equipment |
| CN104158167B (en) * | 2013-05-14 | 2017-06-16 | 深圳市彩虹奥特姆科技有限公司 | A kind of positive-negative polarity change-over circuit and electronic equipment |
| CN105929759A (en) * | 2016-06-28 | 2016-09-07 | 王玉华 | Smart switch system |
| CN106253395A (en) * | 2016-08-22 | 2016-12-21 | 江苏大学 | A kind of electric motor car Intelligent charging unit and using method thereof |
| CN106253395B (en) * | 2016-08-22 | 2018-11-09 | 江苏大学 | The electronic automobile-used Intelligent charging unit of one kind and its application method |
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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: 20130327 Termination date: 20140830 |
|
| EXPY | Termination of patent right or utility model |