CN101964522A - Direct current positive and negative electrode anti-misconnection system and using method thereof - Google Patents
Direct current positive and negative electrode anti-misconnection system and using method thereof Download PDFInfo
- Publication number
- CN101964522A CN101964522A CN2010101535922A CN201010153592A CN101964522A CN 101964522 A CN101964522 A CN 101964522A CN 2010101535922 A CN2010101535922 A CN 2010101535922A CN 201010153592 A CN201010153592 A CN 201010153592A CN 101964522 A CN101964522 A CN 101964522A
- Authority
- CN
- China
- Prior art keywords
- direct current
- positive
- misconnection
- conduction device
- unidirectional conduction
- 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.)
- Pending
Links
Abstract
The invention provides a direct current positive and negative electrode anti-misconnection system. The system comprises four one-way conduction devices and four terminals, wherein the four one-way conduction devices form a bridge parallel circuit; and the four terminals are led out of two adjacent one-way conduction devices respectively. The system is applied between direct current electric equipment and a direct current supply power, the positive and negative electrodes between the direct current electric equipment and the direct current supply power are randomly connected, namely when power is supplied to the direct current electric equipment or the alternating current electric equipment, the positive and negative electrodes do not need to be distinguished, so that convenience is provided for consumers, and the problems, such as damage of equipment, burning of circuit, explosion or the like, caused by misconnection of the positive and negative electrodes are also avoided.
Description
[technical field]
The present invention relates to a kind of circuit, relate in particular to a kind of circuit that is used for the anti-both positive and negative polarity misconnection of dc electric apparatus equipment.
[background technology]
Nowadays, various electrical equipment have been penetrated into the every nook and cranny in our life, and the electrical equipment that has needs DC power supply, and the electrical equipment that has needs ac power supply.According to the difference of supply and demand power supply, various electrical equipment can be categorized as dc electric apparatus equipment and ac electric apparatus equipment.In actual life, dc electric apparatus equipment has occupied nearly half of the country, particularly in the handheld device field, as mobile phone, calculator, game machine or the like.Though dc electric apparatus equipment has brought convenience for consumer's life, but, when being the power supply of dc electric apparatus equipment, the consumer will notice that the both positive and negative polarity between supply power and the electrical equipment connects, if the both positive and negative polarity generation misconnection between them, electrical equipment possibly can't normally use, even the problem of circuit and blast and so on may occur burning out.So dc electric apparatus equipment is convenient not as ac electric apparatus equipment aspect the power supply electrical connection, during the ac electric apparatus power devices, can be connected arbitrarily with the both positive and negative polarity of supply power.
Thereby the correct automatically of both positive and negative polarity that needs a system to finish dc electric apparatus equipment connects, and simplifies to connect and protection equipment.
[summary of the invention]
The technical problem that the present invention need solve provides a kind of direct current both positive and negative polarity anti-misconnection system that can realize that the both positive and negative polarity between dc electric apparatus equipment and the supply power links to each other arbitrarily.
According to above-mentioned technical problem, designed a kind of direct current both positive and negative polarity anti-misconnection system, this system comprises the first unidirectional conduction device, the second unidirectional conduction device, the 3rd unidirectional conduction device, the 4th unidirectional conduction device, and first input end, second input, the 3rd output, the 4th output, each unidirectional conduction device is provided with positive pole and negative pole, the first unidirectional conduction device and the second unidirectional conduction device are formed a series connection circuit, the 3rd unidirectional conduction device and the 4th unidirectional conduction device are formed another series circuit, two series circuits are formed parallel circuits, first input end inserts first, between the second unidirectional conduction device, second input inserts the 3rd, between the 4th unidirectional conduction device, the 3rd output links to each other with the positive pole of parallel circuits, and the 4th output links to each other with the negative pole of parallel circuits.
Further improve as the present invention, described unidirectional conduction device is a diode.
Another technical problem that the present invention need solve provides: the using method that a kind of direct current both positive and negative polarity anti-misconnection is, and this using method comprises:
The direct current supply power is provided, and this direct current supply power comprises positive pole and negative pole;
One direct current electric equipment is provided, and this dc electric apparatus equipment comprises electrode input end and negative input;
Provide just like claim 1 or 2 described direct current both positive and negative polarity anti-misconnection systems;
With direct current both positive and negative polarity anti-misconnection system applies before dc electric apparatus equipment input power supply, at first, the 3rd output of direct current both positive and negative polarity anti-misconnection system and the negative input of dc electric apparatus equipment are electrically connected, reached the 4th output of direct current both positive and negative polarity anti-misconnection system and the electrode input end of dc electric apparatus equipment and electrically connect; Then, the first input end of direct current both positive and negative polarity anti-misconnection system linked to each other with the positive pole of direct current supply power and second input links to each other with the negative pole of direct current supply power or the first input end of direct current both positive and negative polarity anti-misconnection system linked to each other with the negative pole of direct current supply power reach second input and link to each other with the positive pole of direct current supply power, to be implemented under the continuous situation about being regardless of of both positive and negative polarity, for dc electric apparatus equipment provides power supply.
Direct current both positive and negative polarity anti-misconnection system applies of the present invention is between dc electric apparatus equipment and direct current supply power, being embodied as dc electric apparatus equipment is connected arbitrarily with both positive and negative polarity between the direct current supply power, when being the dc electric apparatus power devices, in the time of can looking like the ac electric apparatus power devices, do not distinguish both positive and negative polarity, for the consumer provides convenience, and also avoided owing to the both positive and negative polarity misconnection causes damage equipment, burns out problems such as circuit or blast.
[description of drawings]
Fig. 1 is a kind of environment for use schematic diagram of direct current both positive and negative polarity anti-misconnection of the present invention system;
Fig. 2 is the another kind of environment for use schematic diagram of direct current both positive and negative polarity anti-misconnection of the present invention system.
[embodiment]
The invention will be further described below in conjunction with drawings and embodiments.
As depicted in figs. 1 and 2, direct current both positive and negative polarity anti-misconnection of the present invention system makes an addition between dc electric apparatus equipment and the direct current supply power, is applied to before the input power supply of dc electric apparatus equipment.
This direct current both positive and negative polarity anti-misconnection system forms a similar bridge circuit by four unidirectional conduction devices, specifically comprises first unidirectional conduction device 1, second unidirectional conduction device the 2, the 3rd unidirectional conduction device the 3, the 4th unidirectional conduction device 4, and four terminals.Four terminals are respectively: first input end, second input, the 3rd output, the 4th output.
Four unidirectional conduction devices comprise positive pole and negative pole, the first unidirectional conduction device 1 and the second unidirectional conduction device 2 are cascaded to form a series connection circuit, and the 3rd unidirectional conduction device 3 and the 4th unidirectional conduction device 4 also are cascaded to form another series circuit.Two series circuits are parallel with one another, to form parallel circuits, i.e. bridge circuit.
First input end is used to be connected outside direct current supply power with second input, and the 3rd output is used to be connected with the 4th output need provide the dc electric apparatus of power supply signal equipment.First input end inserts between first, second unidirectional conduction device, and second input inserts between the 3rd, the 4th unidirectional conduction device, and the 3rd output links to each other with the positive pole of parallel circuits, and the 4th output links to each other with the negative pole of parallel circuits.
When use direct current both positive and negative polarity anti-misconnection of the present invention system, be dc electric apparatus equipment when DC power supply is provided, direct current both positive and negative polarity anti-misconnection of the present invention system makes an addition between dc electric apparatus equipment and the direct current supply power, the 3rd output of direct current both positive and negative polarity anti-misconnection of the present invention system links to each other with the negative input of dc electric apparatus equipment, the 4th output links to each other with the electrode input end of dc electric apparatus equipment, and the first input end of direct current both positive and negative polarity anti-misconnection of the present invention system and second input and DC power supply are just, negative pole links to each other, that is the first input end of direct current both positive and negative polarity anti-misconnection of the present invention system and second input power input that is equivalent to dc electric apparatus equipment.As shown in Figure 1, first input end links to each other with the positive pole of direct current supply power, and second input links to each other with the negative pole of direct current supply power.As shown in Figure 2, first input end links to each other with the negative pole of direct current supply power, and second input links to each other with the positive pole of direct current supply power.Two kinds of connected modes can satisfy for dc electric apparatus equipment provides power supply signal.That is, when providing power supply, can not distinguish the both positive and negative polarity of direct current supply power and be electrical connected with the direct current supply power for DC power supply device.
Principle of the present invention is to utilize the unidirectional conducting function of electric current of unidirectional conduction device, and promptly electric current flows to negative pole from positive pole, and during reverse circulated, unidirectional conduction device presents high anti-resistance.Sense of current as shown in Figure 1, electric current flows out from the positive pole of direct current supply power, electrode input end through the second unidirectional conduction device 2 and the 4th output inflow dc electric apparatus equipment, flow out from the negative input of dc electric apparatus equipment again, through the 3rd unidirectional conduction device 3 and second input negative pole to the direct current supply power.The sense of current as shown in Figure 2, electric current flows out from the positive pole of direct current supply power, electrode input end through the 4th unidirectional conduction device 4 and the 4th output inflow dc electric apparatus equipment, flow out from the negative input of dc electric apparatus equipment again, through the first unidirectional conduction device 1 and first input end negative pole to the direct current supply power.In summary it can be seen, although appointing, the both positive and negative polarity of the first input end of the present invention and second input and direct current supply power connects, but, through adjustment of the present invention, electric current all is that the electrode input end from dc electric apparatus equipment flows to, negative input flows out, and has satisfied the operate as normal of dc electric apparatus equipment.
Present embodiment, four unidirectional conduction devices use diode to implement.Other components and parts that certain also optional usefulness of the present invention has the unidirectional conducting function of electric current.
Direct current both positive and negative polarity anti-misconnection of the present invention system can be used as the part of dc electric apparatus equipment, and be integrated in the dc electric apparatus equipment, form a direct current electric equipment system, the 3rd output in the both positive and negative polarity anti-misconnection system wherein links to each other with the negative input of dc electric apparatus equipment, the 4th output links to each other with the electrode input end of dc electric apparatus equipment, and first input end and the electric connection terminal that is connected with outside direct current supply power as whole system with second input, when linking to each other with outside direct current supply power, can not distinguish the both positive and negative polarity of direct current supply power, and link to each other arbitrarily with it.
Direct current both positive and negative polarity anti-misconnection system applies of the present invention is between dc electric apparatus equipment and direct current supply power, being embodied as dc electric apparatus equipment is connected arbitrarily with both positive and negative polarity between the direct current supply power, when being the dc electric apparatus power devices, in the time of can looking like the ac electric apparatus power devices, do not distinguish both positive and negative polarity, for the consumer provides convenience, and also avoided owing to the both positive and negative polarity misconnection causes damage equipment, burns out problems such as circuit or blast.
Above-described only is embodiments of the present invention, should be pointed out that for the person of ordinary skill of the art at this, under the prerequisite that does not break away from the invention design, can also make improvement, but these all belongs to protection scope of the present invention.
Claims (3)
1. direct current both positive and negative polarity anti-misconnection system, it is characterized in that: this system comprises the first unidirectional conduction device, the second unidirectional conduction device, the 3rd unidirectional conduction device, the 4th unidirectional conduction device, and first input end, second input, the 3rd output, the 4th output, each unidirectional conduction device is provided with positive pole and negative pole, the first unidirectional conduction device and the second unidirectional conduction device are formed a series connection circuit, the 3rd unidirectional conduction device and the 4th unidirectional conduction device are formed another series circuit, two series circuits are formed parallel circuits, first input end inserts first, between the second unidirectional conduction device, second input inserts the 3rd, between the 4th unidirectional conduction device, the 3rd output links to each other with the positive pole of parallel circuits, and the 4th output links to each other with the negative pole of parallel circuits.
2. direct current both positive and negative polarity fail-safe system according to claim 1 is characterized in that: described unidirectional conduction device is a diode.
3. the using method of a direct current both positive and negative polarity anti-misconnection as claimed in claim 1 or 2 system, it is characterized in that: this using method comprises:
The direct current supply power is provided, and this direct current supply power comprises positive pole and negative pole;
One direct current electric equipment is provided, and this dc electric apparatus equipment comprises electrode input end and negative input;
Provide just like claim 1 or 2 described direct current both positive and negative polarity anti-misconnection systems;
With direct current both positive and negative polarity anti-misconnection system applies before dc electric apparatus equipment input power supply, at first, the 3rd output of direct current both positive and negative polarity anti-misconnection system and the negative input of dc electric apparatus equipment are electrically connected, reached the 4th output of direct current both positive and negative polarity anti-misconnection system and the electrode input end of dc electric apparatus equipment and electrically connect; Then, the first input end of direct current both positive and negative polarity anti-misconnection system linked to each other with the positive pole of direct current supply power and second input links to each other with the negative pole of direct current supply power or the first input end of direct current both positive and negative polarity anti-misconnection system linked to each other with the negative pole of direct current supply power reach second input and link to each other with the positive pole of direct current supply power, to be implemented under the continuous situation about being regardless of of both positive and negative polarity, for dc electric apparatus equipment provides power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101535922A CN101964522A (en) | 2010-04-19 | 2010-04-19 | Direct current positive and negative electrode anti-misconnection system and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101535922A CN101964522A (en) | 2010-04-19 | 2010-04-19 | Direct current positive and negative electrode anti-misconnection system and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101964522A true CN101964522A (en) | 2011-02-02 |
Family
ID=43517310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101535922A Pending CN101964522A (en) | 2010-04-19 | 2010-04-19 | Direct current positive and negative electrode anti-misconnection system and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101964522A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305400A (en) * | 2015-11-13 | 2016-02-03 | 成都秦川科技发展有限公司 | Reverse connection protection circuit of power supply of power utilization equipment |
| CN112242596A (en) * | 2020-12-18 | 2021-01-19 | 南京狼旗网络传媒有限公司 | Convenient installation device for fuel cell |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2814761Y (en) * | 2005-05-12 | 2006-09-06 | 任明磊 | Electrodeless electric power interface |
-
2010
- 2010-04-19 CN CN2010101535922A patent/CN101964522A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2814761Y (en) * | 2005-05-12 | 2006-09-06 | 任明磊 | Electrodeless electric power interface |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305400A (en) * | 2015-11-13 | 2016-02-03 | 成都秦川科技发展有限公司 | Reverse connection protection circuit of power supply of power utilization equipment |
| CN112242596A (en) * | 2020-12-18 | 2021-01-19 | 南京狼旗网络传媒有限公司 | Convenient installation device for fuel cell |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102004183A (en) | Voltage detection circuit | |
| CN102496923B (en) | A kind of input circuit of anti-reverse protection | |
| CN104135061A (en) | Direct current supply system with leakage protection | |
| CN103166172A (en) | Electricity leakage protection circuit, socket with electricity leakage protection circuit and electronic device | |
| CN101964522A (en) | Direct current positive and negative electrode anti-misconnection system and using method thereof | |
| CN202678968U (en) | Communication protecting circuit and air conditioner adopting the communication protecting circuit | |
| CN201256220Y (en) | Induction safety socket circuit | |
| CN207251176U (en) | GFCI built-in timer circuits | |
| CN101726684A (en) | Detecting and warning circuit | |
| CN212695892U (en) | Double-switch power supply hot standby power supply unit | |
| CN202395439U (en) | Uninterrupted power supply (UPS) over-voltage protection circuit | |
| CN207801568U (en) | Power-supply system with warm connection function | |
| CN206962419U (en) | A kind of power supply short-circuit protective circuit with adaptive ability | |
| CN102368624A (en) | Battery power supply protection device | |
| CN206250963U (en) | A kind of highly reliable power supply circuit | |
| CN206136401U (en) | Single live wire switch adapter | |
| CN205829133U (en) | Earth leakage protective device voltage protection | |
| CN205304385U (en) | A switching circuit | |
| CN204215174U (en) | A kind of single fiery power taking intelligent control switch circuit | |
| CN110429680A (en) | The power supply circuit of double chargers | |
| CN2814761Y (en) | Electrodeless electric power interface | |
| CN202260603U (en) | High-frequency apparatus | |
| CN208971539U (en) | A kind of PoE power supply system safety protection circuit | |
| CN101719654A (en) | Novel design of power failure warning of power system | |
| CN206650428U (en) | A kind of lithium battery protection board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110202 |