CN204794037U - Intelligence protection circuit - Google Patents
Intelligence protection circuit Download PDFInfo
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- CN204794037U CN204794037U CN201520392395.4U CN201520392395U CN204794037U CN 204794037 U CN204794037 U CN 204794037U CN 201520392395 U CN201520392395 U CN 201520392395U CN 204794037 U CN204794037 U CN 204794037U
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- 230000002457 bidirectional effect Effects 0.000 claims abstract description 13
- 238000004804 winding Methods 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses an intelligence protection circuit, including transformer W, chip IC1, resistance R1 and diode D1, electric capacity C1, bidirectional thyristor Q1's central electrode and 220V alternating current are connected to transformer W's winding N1's one end, transformer W's winding N1's other end connected load RL, and rectifier bridge T's port 1 and rectifier bridge T's port 3 are connected respectively to transformer W's winding N2's both ends. The utility model discloses intelligence protection circuit not only simple structure, components and parts are few, the cost of manufacture is low, the circuit still has a function of overvoltage protection, undervoltage protection and soft start in addition, the effectual grid fluctuation that has prevented is to the influence with the electric loading, so the circuit has that the function is various, long service life and simple and practical's advantage.
Description
Technical field
The utility model relates to a kind of protective circuit, specifically a kind of intelligent protection circuit.
Background technology
Along with the raising of people's living standard; various household electrical appliance progress into the family of people; can be the energy saying that electric energy has become the most frequently used in people's life; but often there will be power network fluctuation in the process that electric energy transmits in electrical network; thus make stable 220V voltage originally there will be overvoltage, under-voltage situation; not only affect the normal productive life of people, but also the useful life of the serious reduction electric loading of meeting.
Utility model content
The purpose of this utility model is to provide that a kind of structure is simple, the intelligent protection circuit of diverse in function, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of intelligent protection circuit, comprises transformer W, chip IC 1, one end of resistance R1 and diode D1, the winding N1 of described transformer W connects electric capacity C1, a main electrode of bidirectional thyristor Q1 and 220V alternating current, the other end of the winding N1 of transformer W connects load RL, and the two ends of the winding N2 of transformer W connect the port one of rectifier bridge T and the port 3 of rectifier bridge T respectively, the port 2 contact resistance R1 of rectifier bridge T, resistance R2, resistance R3, resistance R8, electric capacity C1, the pin 4 of chip IC 1, the pin 8 of chip IC 1 and the pin 1 of chip IC 2, the other end of resistance R1 connects the anode of diode D1, and the negative electrode of diode D1 connects the other end of electric capacity C1, electric capacity C3, electric capacity C5, electric capacity C6, resistance R5, resistance R6, resistance R7, resistance R9, the anode of diode D2, the port 4 of rectifier bridge T, the pin 1 of chip IC 1 and the pin 4 of chip IC 2, the other end contact resistance R4 of resistance R2, the other end of resistance R5 and the pin 6 of chip IC 1, the other end of the other end contact resistance R4 of resistance R3, the other end of resistance R6 and the pin 2 of chip IC 1, the pin 5 of chip IC 1 connects the other end of electric capacity C6, and the pin 3 of chip IC 1 connects electric capacity C2, the other end of the other end contact resistance R7 of electric capacity C2, the other end of electric capacity C3, the negative electrode of diode D2 and the negative electrode of diode D3, the anode of diode D3 connects the pin 5 of chip IC 2, the other end of resistance R8 connects the other end of electric capacity C5, the pin 2 contact resistance R9 of chip IC 2, the other end of resistance R9 connects the anode of diode D4, the negative electrode of diode D4 connects the control pole of bidirectional thyristor Q1, the other end of the other end contact resistance R9 of electric capacity C1, and another main electrode of bidirectional thyristor Q1 connects the other end of load RL.
As preferred version of the present utility model: the model of described chip IC 1 is NE555, the model of chip IC 2 is TWH8778.
As preferred version of the present utility model: described diode D4 is light-emitting diode.
Compared with prior art; the beneficial effects of the utility model are: not only structure is simple, components and parts are few for the utility model intelligent protection circuit, cost of manufacture is low; and circuit also has the function of overvoltage protection, under-voltage protection and soft start; effectively prevent power network fluctuation on the impact by electric loading, therefore circuit has diverse in function, long service life and simple and practical advantage.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of intelligent protection circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, a kind of intelligent protection circuit, comprise transformer W, chip IC 1, one end of resistance R1 and diode D1, the winding N1 of described transformer W connects electric capacity C1, a main electrode of bidirectional thyristor Q1 and 220V alternating current, the other end of the winding N1 of transformer W connects load RL, and the two ends of the winding N2 of transformer W connect the port one of rectifier bridge T and the port 3 of rectifier bridge T respectively, the port 2 contact resistance R1 of rectifier bridge T, resistance R2, resistance R3, resistance R8, electric capacity C1, the pin 4 of chip IC 1, the pin 8 of chip IC 1 and the pin 1 of chip IC 2, the other end of resistance R1 connects the anode of diode D1, and the negative electrode of diode D1 connects the other end of electric capacity C1, electric capacity C3, electric capacity C5, electric capacity C6, resistance R5, resistance R6, resistance R7, resistance R9, the anode of diode D2, the port 4 of rectifier bridge T, the pin 1 of chip IC 1 and the pin 4 of chip IC 2, the other end contact resistance R4 of resistance R2, the other end of resistance R5 and the pin 6 of chip IC 1, the other end of the other end contact resistance R4 of resistance R3, the other end of resistance R6 and the pin 2 of chip IC 1, the pin 5 of chip IC 1 connects the other end of electric capacity C6, and the pin 3 of chip IC 1 connects electric capacity C2, the other end of the other end contact resistance R7 of electric capacity C2, the other end of electric capacity C3, the negative electrode of diode D2 and the negative electrode of diode D3, the anode of diode D3 connects the pin 5 of chip IC 2, the other end of resistance R8 connects the other end of electric capacity C5, the pin 2 contact resistance R9 of chip IC 2, the other end of resistance R9 connects the anode of diode D4, the negative electrode of diode D4 connects the control pole of bidirectional thyristor Q1, the other end of the other end contact resistance R9 of electric capacity C1, and another main electrode of bidirectional thyristor Q1 connects the other end of load RL.
The model of chip IC 1 is NE555, and the model of chip IC 2 is TWH8778.Diode D4 is light-emitting diode.
Operation principle of the present utility model is: during normal power supply, 220V alternating current is through transformer W step-down, rectifier bridge T rectification, become galvanic current after electric capacity C1 filtering to power to protective circuit, the pulsating voltage exported from the port 2 of rectifier bridge T compares with reference voltage, 3 pin of chip IC 1 are made to export the pulse voltage of rectangle, this voltage makes chip IC 2 conducting export high level, the control pole of bidirectional thyristor Q1 is added in after resistance R9 and light-emitting diode D4, diode D4 is luminous, make bidirectional thyristor Q1 conducting, load RL obtains electric work, when line voltage be greater than 250VA or lower than 170V time, chip IC 1 is in guard mode no-output, chip IC 2 internal circuit disconnects, bidirectional thyristor Q1 open circuit, load RL disconnects, when in the voltage returns in electrical network to stable voltage range, because of electric capacity C4 discharge off, therefore electric capacity C4 is needed to be full of the just meeting conducting of the rear chip IC 2 of electricity, therefore avoid circuit repeatedly open and turn off the service life reduction caused load.
Claims (3)
1. an intelligent protection circuit, comprises transformer W, chip IC 1, resistance R1 and diode D1, is characterized in that, one end of the winding N1 of described transformer W connects electric capacity C1, a main electrode of bidirectional thyristor Q1 and 220V alternating current, the other end of the winding N1 of transformer W connects load RL, and the two ends of the winding N2 of transformer W connect the port one of rectifier bridge T and the port 3 of rectifier bridge T respectively, the port 2 contact resistance R1 of rectifier bridge T, resistance R2, resistance R3, resistance R8, electric capacity C1, the pin 4 of chip IC 1, the pin 8 of chip IC 1 and the pin 1 of chip IC 2, the other end of resistance R1 connects the anode of diode D1, and the negative electrode of diode D1 connects the other end of electric capacity C1, electric capacity C3, electric capacity C5, electric capacity C6, resistance R5, resistance R6, resistance R7, resistance R9, the anode of diode D2, the port 4 of rectifier bridge T, the pin 1 of chip IC 1 and the pin 4 of chip IC 2, the other end contact resistance R4 of resistance R2, the other end of resistance R5 and the pin 6 of chip IC 1, the other end of the other end contact resistance R4 of resistance R3, the other end of resistance R6 and the pin 2 of chip IC 1, the pin 5 of chip IC 1 connects the other end of electric capacity C6, and the pin 3 of chip IC 1 connects electric capacity C2, the other end of the other end contact resistance R7 of electric capacity C2, the other end of electric capacity C3, the negative electrode of diode D2 and the negative electrode of diode D3, the anode of diode D3 connects the pin 5 of chip IC 2, the other end of resistance R8 connects the other end of electric capacity C5, the pin 2 contact resistance R9 of chip IC 2, the other end of resistance R9 connects the anode of diode D4, the negative electrode of diode D4 connects the control pole of bidirectional thyristor Q1, the other end of the other end contact resistance R9 of electric capacity C1, and another main electrode of bidirectional thyristor Q1 connects the other end of load RL.
2. a kind of intelligent protection circuit according to claim 1, is characterized in that, the model of described chip IC 1 is NE555, and the model of chip IC 2 is TWH8778.
3. a kind of intelligent protection circuit according to claim 1, is characterized in that, described diode D4 is light-emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520392395.4U CN204794037U (en) | 2015-06-09 | 2015-06-09 | Intelligence protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520392395.4U CN204794037U (en) | 2015-06-09 | 2015-06-09 | Intelligence protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204794037U true CN204794037U (en) | 2015-11-18 |
Family
ID=54534020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520392395.4U Expired - Fee Related CN204794037U (en) | 2015-06-09 | 2015-06-09 | Intelligence protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204794037U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901280A (en) * | 2015-06-09 | 2015-09-09 | 廖婕 | Intelligent protection circuit |
| CN106703671A (en) * | 2016-11-29 | 2017-05-24 | 廖婕 | Clean and sanitary electric window |
-
2015
- 2015-06-09 CN CN201520392395.4U patent/CN204794037U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901280A (en) * | 2015-06-09 | 2015-09-09 | 廖婕 | Intelligent protection circuit |
| CN104901280B (en) * | 2015-06-09 | 2018-06-05 | 湖南小快智造电子科技有限公司 | A kind of intelligent protection circuit |
| CN106703671A (en) * | 2016-11-29 | 2017-05-24 | 廖婕 | Clean and sanitary electric window |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhu Jieming Inventor before: Liao Jie |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170523 Address after: 528138 Guangdong city in Foshan Province, Leping Town, Sanshui District, fan Hu Nian Feng Da Dao Road No. 4 (F1) Patentee after: FOSHAN JUDIAN WELDING AND ELECTRONIC MANUFACTURE Co.,Ltd. Address before: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20170523 Address after: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 537499 the Guangxi Zhuang Autonomous Region Beiliu City, Yulin City, North Road, No. two 45-11 Patentee before: Liao Jie |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20180609 |