CN114465331A - Watch charging seat circuit without voltage drop of anode and cathode - Google Patents
Watch charging seat circuit without voltage drop of anode and cathode Download PDFInfo
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- CN114465331A CN114465331A CN202210381065.XA CN202210381065A CN114465331A CN 114465331 A CN114465331 A CN 114465331A CN 202210381065 A CN202210381065 A CN 202210381065A CN 114465331 A CN114465331 A CN 114465331A
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- triode
- transistor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0034—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using reverse polarity correcting or protecting circuits
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a watch charging seat circuit without voltage drop of a positive electrode and a negative electrode, which comprises an input end, an output end and a triode, wherein a pin 2 at the input end is connected with an emitting electrode of a triode Q1 and a base electrode of a triode Q3, a pin 1 at the input end is connected with an emitting electrode of a triode Q3 and a base electrode of a triode Q4, a base electrode of a triode Q1 is connected with an emitting electrode of a triode Q3, an emitting electrode of the triode Q2 is connected with an emitting electrode of a triode Q3, a base electrode of the triode Q3 is connected with an emitting electrode of a triode Q1, a base electrode of a triode Q4 is connected with an emitting electrode of a triode Q3, a collector electrode of a triode Q1 and a collector electrode of a triode Q2 is connected with a pin 2 at the output end, and a collector electrode of a triode Q3 and a collector electrode Q4 are connected with a pin 1 at the output end. The invention has the advantages that: no matter how the positive and negative poles of the input end are connected, the positive and negative poles of the output end are kept consistent, and reverse connection damage can be avoided.
Description
Technical Field
The invention belongs to the technical field of charging seat circuits, and particularly relates to a watch charging seat circuit without voltage drop of a positive electrode and a negative electrode.
Background
In the charging seat circuit on the market, the input end and the output end of the charging seat circuit are all through, that is to say, the polarity of the output end changes along with the change of the input end, and the effect of preventing reverse plug cannot be achieved. Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a watch charging seat circuit without voltage drop between the anode and the cathode is provided.
Disclosure of Invention
The invention aims to solve the technical problem of providing a watch charging seat circuit which can keep the positive and negative poles of the output end consistent no matter how the positive and negative poles of the input end are connected and can avoid reverse connection damage without voltage drop of the positive and negative poles.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a watch charging seat circuit without voltage drop of a positive electrode and a negative electrode comprises an input end, an output end and a triode, wherein the input end is a direct-current power supply input plug, the output end is a charging contact pin of an intelligent watch dial plate, the triode comprises a triode Q1, a triode Q2, a triode Q3 and a triode Q4, a pin No. 2 of the input end is connected with an emitting electrode of a triode Q1 and a base electrode of a triode Q3, a pin No. 1 of the input end is connected with an emitting electrode of a triode Q3 and a base electrode of a triode Q4, a base electrode of the triode Q1 is connected with an emitting electrode of a triode Q3, an emitting electrode of a triode Q2 is connected with an emitting electrode of a triode Q3, a base electrode of a triode Q3 is connected with an emitting electrode of a triode Q1, a base electrode of a triode Q4 is connected with an emitting electrode of a triode Q3, and collecting electrodes of the triodes Q1 and Q2 are connected with a pin No. 2 of the output end, and the collectors of the transistor Q3 and the transistor Q4 are connected with the No. 1 pin of the output end.
As an improvement, the base of the transistor Q1 is connected with the emitter of the transistor Q3 through a resistor R1, the base of the transistor Q2 is connected with the emitter of the transistor Q1 through a resistor R2, the base of the transistor Q3 is connected with the emitter of the transistor Q1 through a resistor R3, and the base of the transistor Q4 is connected with the emitter of the transistor Q3 through a resistor R4.
In a modification, the transistor Q1 and the transistor Q2 are both PNP transistors, and the transistor Q3 and the transistor Q4 are both NPN transistors.
Compared with the prior art, the invention has the advantages that: when the input end of the watch charging seat circuit is up-positive and down-negative, the triode Q1 is conducted with the triode Q3, the triode Q2 is cut off with the triode Q4, the current flows in from the triode Q1 and then flows back to the negative electrode of the input end through the triode Q3, and the polarity of the output end is up-positive and down-negative; when the input end is in the positive up-negative-down state, the triode Q2 is conducted with the triode Q4, the triode Q1 is cut off with the triode Q3, the current direction flows in from the triode Q2, then flows out through the triode Q4 and returns to the negative pole of the input end, and at the moment, the polarity of the output end is still in the positive up-negative state; no matter how the positive and negative of the input end are connected, the directions of the positive and negative of the output end are kept consistent.
Drawings
FIG. 1 is a schematic circuit diagram of a watch charging stand circuit without voltage drop between the anode and the cathode.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
with reference to fig. 1, the watch charging seat circuit without voltage drop between positive and negative electrodes according to the present invention includes an input terminal, an output terminal and a triode, the input terminal is a dc power input plug, the output terminal is a charging contact pin of a smart watch dial, the triode includes a triode Q1, a triode Q2, a triode Q3 and a triode Q4, pin 2 of the input terminal is connected to an emitter of the triode Q1 and a base of the triode Q3, pin 1 of the input terminal is connected to an emitter of the triode Q3 and a base of the triode Q4, a base of the triode Q1 is connected to an emitter of the triode Q3, an emitter of the triode Q2 is connected to an emitter of the triode Q3, a base of the triode Q3 is connected to an emitter of the triode Q1, a base of the triode Q4 is connected to an emitter of the triode Q3, collectors of the triode Q1 and the triode Q2 are connected to pin 2 of the output terminal, and the collectors of the transistor Q3 and the transistor Q4 are connected with the No. 1 pin of the output end.
The base electrode of the triode Q1 is connected with the emitter electrode of the triode Q3 through a resistor R1, the base electrode of the triode Q2 is connected with the emitter electrode of the triode Q1 through a resistor R2, the base electrode of the triode Q3 is connected with the emitter electrode of the triode Q1 through a resistor R3, and the base electrode of the triode Q4 is connected with the emitter electrode of the triode Q3 through a resistor R4.
The triode Q1 and the triode Q2 are both PNP triodes, and the triode Q3 and the triode Q4 are both NPN triodes.
The specific use mode of the embodiment is as follows:
in the invention, when the input end is up-positive and down-negative, the triode Q1 is conducted with the triode Q3, the triode Q2 is cut off with the triode Q4, the current direction flows in from the triode Q1, then flows out through the triode Q3 and returns to the negative pole of the input end, and the polarity of the output end is up-positive and down-negative; when the input end is in the positive up-negative-down state, the triode Q2 is conducted with the triode Q4, the triode Q1 is cut off with the triode Q3, the current direction flows in from the triode Q2, then flows out through the triode Q4 and returns to the negative pole of the input end, and at the moment, the polarity of the output end is still in the positive up-negative state; no matter how the positive and negative of the input end are connected, the directions of the positive and negative of the output end are kept consistent.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (3)
1. The utility model provides a no voltage drop's wrist-watch charging seat circuit is not divided to positive negative pole, includes input, output and triode, its characterized in that: the input end is a direct current power supply input plug, the output end is an intelligent watch dial charging contact pin, the triode comprises a triode Q1, a triode Q2, a triode Q3 and a triode Q4, pin 2 of the input terminal is connected with the emitter of a transistor Q1 and the base of a transistor Q3, pin 1 of the input terminal is connected with the emitter of a transistor Q3 and the base of a transistor Q4, the base of the transistor Q1 is connected with the emitter of the transistor Q3, the emitter of the transistor Q2 is connected with the emitter of the transistor Q3, the base of the transistor Q3 is connected with the emitter of the transistor Q1, the base of the transistor Q4 is connected with the emitter of the transistor Q3, the collecting electrodes of the triode Q1 and the triode Q2 are connected with the pin No. 2 of the output end, and the collecting electrodes of the triode Q3 and the triode Q4 are connected with the pin No. 1 of the output end.
2. The watch charging seat circuit without voltage drop between the anode and the cathode according to claim 1, wherein: the base of the triode Q1 is connected with the emitter of the triode Q3 through a resistor R1, the base of the triode Q2 is connected with the emitter of the triode Q1 through a resistor R2, the base of the triode Q3 is connected with the emitter of the triode Q1 through a resistor R3, and the base of the triode Q4 is connected with the emitter of the triode Q3 through a resistor R4.
3. The watch charging seat circuit without voltage drop between the anode and the cathode according to claim 1, wherein: the transistor Q1 and the transistor Q2 are both PNP transistors, and the transistor Q3 and the transistor Q4 are both NPN transistors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210381065.XA CN114465331A (en) | 2022-04-13 | 2022-04-13 | Watch charging seat circuit without voltage drop of anode and cathode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210381065.XA CN114465331A (en) | 2022-04-13 | 2022-04-13 | Watch charging seat circuit without voltage drop of anode and cathode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114465331A true CN114465331A (en) | 2022-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210381065.XA Pending CN114465331A (en) | 2022-04-13 | 2022-04-13 | Watch charging seat circuit without voltage drop of anode and cathode |
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| Country | Link |
|---|---|
| CN (1) | CN114465331A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116935550A (en) * | 2023-09-19 | 2023-10-24 | 广州市科锐达光电技术股份有限公司 | Burglar alarm |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175943A (en) * | 2011-02-12 | 2011-09-07 | 中兴通讯股份有限公司 | Load overcurrent protector state detection device and method |
| CN102545280A (en) * | 2010-12-16 | 2012-07-04 | 鸿富锦精密工业（深圳）有限公司 | Charging circuit |
| CN103178589A (en) * | 2011-12-23 | 2013-06-26 | 海洋王照明科技股份有限公司 | Charging circuit and charger capable of automatically identifying battery polarities |
-
2022
- 2022-04-13 CN CN202210381065.XA patent/CN114465331A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102545280A (en) * | 2010-12-16 | 2012-07-04 | 鸿富锦精密工业（深圳）有限公司 | Charging circuit |
| CN102175943A (en) * | 2011-02-12 | 2011-09-07 | 中兴通讯股份有限公司 | Load overcurrent protector state detection device and method |
| CN103178589A (en) * | 2011-12-23 | 2013-06-26 | 海洋王照明科技股份有限公司 | Charging circuit and charger capable of automatically identifying battery polarities |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116935550A (en) * | 2023-09-19 | 2023-10-24 | 广州市科锐达光电技术股份有限公司 | Burglar alarm |
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Application publication date: 20220510 |