CN205610478U - Many functional safety electrical source controller - Google Patents
Many functional safety electrical source controller Download PDFInfo
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- CN205610478U CN205610478U CN201620348287.1U CN201620348287U CN205610478U CN 205610478 U CN205610478 U CN 205610478U CN 201620348287 U CN201620348287 U CN 201620348287U CN 205610478 U CN205610478 U CN 205610478U
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Abstract
The utility model discloses a many functional safety electrical source controller, including one -way silicon controlled rectifier VS1, resistance R1, triode VT1, fuse FU, three terminal regulator U1 and triode VT2, the fuse FU one end VCC that connects, one -way silicon controlled rectifier VS1's the A utmost point is connected respectively to the fuse FU other end, resistance R1 and triode VT1 collecting electrode, triode VT1 base is the connecting resistance R1 other end and diode D1 negative pole respectively, triode VT1 projecting pole is connecting resistance R6 respectively, triode VT2 base and resistance R3, triode VT3 base and three terminal regulator U1 input are connected respectively to the resistance R3 other end, triode VT3 projecting pole is the connecting resistance R6 other end and triode VT2 projecting pole respectively, triode VT2 collecting electrode connecting resistance R2. The utility model discloses many functional safety electrical source controller adopts TL431 cooperation three terminal regulator, can effectively play excessive pressure and overcurrent protection's function, and circuit structure is simple, and is with low costs, and the security is high.
Description
Technical field
This utility model relates to a kind of power supply, specifically a kind of multifunctional safe power-supply controller of electric.
Background technology
Along with popularizing of present electrical equipment, bringing revolutionary change to industrial and agricultural production, Defence business, science and technology, accelerate the development of society, people have stepped into Electrification Age, also the quality of life making people is greatly improved, and the most increasingly be unable to do without these electric equipments.Along with the development of science and technology, the precision of electric equipment also gradually steps up, and there occurs earth-shaking change, but how to protect the most interfered by outside of these electric equipments, has become the subject matter that current development in science and technology is paid close attention to.The electrical network of China is popularized at present, and it is many convenient that huge network system gives us.But the user being as accessing electrical network increases, variation with consumer electronics, also result in the instability of line voltage, voltage fluctuated, also become to damage the principal element of electric equipment, the research of D.C. regulated power supply was never terminated by people, how to take into account the direction that stability and low cost, always people are pursued.
Utility model content
The purpose of this utility model is to provide a kind of multifunctional safe power-supply controller of electric, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the following technical scheme of this utility model offer:
nullA kind of multifunctional safe power-supply controller of electric，Including one-way SCR VS1、Resistance R1、Audion VT1、Fuse FU、Three terminal regulator U1 and audion VT2，Described fuse FU one end connects power supply VCC，The fuse FU other end connects the A pole of one-way SCR VS1 respectively、Resistance R1 and audion VT1 colelctor electrode，Audion VT1 base stage connects the resistance R1 other end and diode D1 negative pole respectively，Audion VT1 emitter stage connects resistance R6 respectively、Audion VT2 base stage and resistance R3，The resistance R3 other end connecting triode VT3 base stage and three terminal regulator U1 input respectively，Audion VT3 emitter stage connects the resistance R6 other end and audion VT2 emitter stage respectively，Audion VT2 colelctor electrode connects resistance R2，Audion VT3 colelctor electrode connects three terminal regulator U1 outfan respectively、Resistance R4 and output end vo，Another disconnected G pole connecting resistance R5 and one-way SCR VS1 respectively of resistance R4，The K pole of one-way SCR VS1 connects diode D1 positive pole respectively、The resistance R2 other end、Three terminal regulator U1 earth terminal and the resistance R5 other end ground connection.
As this utility model further scheme: described one-way SCR VS uses TL431.
Compared with prior art, the beneficial effects of the utility model are: this utility model multifunctional safe power-supply controller of electric uses TL431 to coordinate three terminal regulator, can effectively play the function of overvoltage and overcurrent protection, and circuit structure is simple, low cost, and safety is high.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of multifunctional safe power-supply controller of electric.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
nullRefer to Fig. 1，In this utility model embodiment，A kind of multifunctional safe power-supply controller of electric，Including one-way SCR VS1、Resistance R1、Audion VT1、Fuse FU、Three terminal regulator U1 and audion VT2，Described fuse FU one end connects power supply VCC，The fuse FU other end connects the A pole of one-way SCR VS1 respectively、Resistance R1 and audion VT1 colelctor electrode，Audion VT1 base stage connects the resistance R1 other end and diode D1 negative pole respectively，Audion VT1 emitter stage connects resistance R6 respectively、Audion VT2 base stage and resistance R3，The resistance R3 other end connecting triode VT3 base stage and three terminal regulator U1 input respectively，Audion VT3 emitter stage connects the resistance R6 other end and audion VT2 emitter stage respectively，Audion VT2 colelctor electrode connects resistance R2，Audion VT3 colelctor electrode connects three terminal regulator U1 outfan respectively、Resistance R4 and output end vo，Another disconnected G pole connecting resistance R5 and one-way SCR VS1 respectively of resistance R4，The K pole of one-way SCR VS1 connects diode D1 positive pole respectively、The resistance R2 other end、Three terminal regulator U1 earth terminal and the resistance R5 other end ground connection；Described one-way SCR VS uses TL431.
Operation principle of the present utility model is: refer to Fig. 1, and FU, VS1, R5, R4 form excess voltage protection, when at output end vo, voltage raises; pressure drop on R5 increases, and the G pole of VS1 obtains trigger current, and VS1 turns on; transient high-current makes FU fuse, thus plays the effect of protection circuit；R1, VT1, D1 form pre-mu balanced circuit; the input voltage of three terminal regulator U1 is fixed on a certain magnitude of voltage; making input voltage not with load change, R6, VT2, VT3 form current foldback circuit, when electric current in circuit is excessive; pressure drop on resistance R6 increases; audion VT2 is turned on, thus provides path for big electric current, prevent the excessive damage component of electric current in circuit and volt at element; R3, VT3 composition electric current expands circuit, it is provided that the carrying load ability of circuit.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this utility model in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in this utility model.Should not be considered as limiting involved claim by any reference in claim.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should can also be formed, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that as an entirety, the technical scheme in each embodiment by those skilled in the art.
Claims (2)
- null1. a multifunctional safe power-supply controller of electric，Including one-way SCR VS1、Resistance R1、Audion VT1、Fuse FU、Three terminal regulator U1 and audion VT2，It is characterized in that，Described fuse FU one end connects power supply VCC，The fuse FU other end connects the A pole of one-way SCR VS1 respectively、Resistance R1 and audion VT1 colelctor electrode，Audion VT1 base stage connects the resistance R1 other end and diode D1 negative pole respectively，Audion VT1 emitter stage connects resistance R6 respectively、Audion VT2 base stage and resistance R3，The resistance R3 other end connecting triode VT3 base stage and three terminal regulator U1 input respectively，Audion VT3 emitter stage connects the resistance R6 other end and audion VT2 emitter stage respectively，Audion VT2 colelctor electrode connects resistance R2，Audion VT3 colelctor electrode connects three terminal regulator U1 outfan respectively、Resistance R4 and output end vo，Another disconnected G pole connecting resistance R5 and one-way SCR VS1 respectively of resistance R4，The K pole of one-way SCR VS1 connects diode D1 positive pole respectively、The resistance R2 other end、Three terminal regulator U1 earth terminal and the resistance R5 other end ground connection.
- Multifunctional safe power-supply controller of electric the most according to claim 1, it is characterised in that described one-way SCR VS uses TL431.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620348287.1U CN205610478U (en) | 2016-04-21 | 2016-04-21 | Many functional safety electrical source controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620348287.1U CN205610478U (en) | 2016-04-21 | 2016-04-21 | Many functional safety electrical source controller |
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| CN205610478U true CN205610478U (en) | 2016-09-28 |
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| CN201620348287.1U Active CN205610478U (en) | 2016-04-21 | 2016-04-21 | Many functional safety electrical source controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111682749A (en) * | 2020-06-17 | 2020-09-18 | 中国电子科技集团公司第五十八研究所 | Output-adjustable wide-swing pre-stabilized power supply circuit |
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2016
- 2016-04-21 CN CN201620348287.1U patent/CN205610478U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111682749A (en) * | 2020-06-17 | 2020-09-18 | 中国电子科技集团公司第五十八研究所 | Output-adjustable wide-swing pre-stabilized power supply circuit |
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| C14 | Grant of patent or utility model | ||
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Effective date of registration: 20161011 Address after: 516000 Guangdong city of Huizhou province Huizhou Longshan Dayawan West Xiangshuihe Road seven Patentee after: HUIZHOU SINHUIYUAN TECHNOLOGY CO.,LTD. Address before: Tianhe District Tong East Road Guangzhou city Guangdong province 510665 B-101 No. 5, room B-118 Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20161011 Address after: Tianhe District Tong East Road Guangzhou city Guangdong province 510665 B-101 No. 5, room B-118 Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 315700 Ningbo, Xiangshan Province Economic Development Zone, Park Road, No. 98 Patentee before: XIANGSHAN BOYUAN INTELLIGENT TECHNOLOGY CO.,LTD. |