CN204652331U - A kind of multipurpose delay switching circuit - Google Patents
A kind of multipurpose delay switching circuit Download PDFInfo
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- CN204652331U CN204652331U CN201520411926.XU CN201520411926U CN204652331U CN 204652331 U CN204652331 U CN 204652331U CN 201520411926 U CN201520411926 U CN 201520411926U CN 204652331 U CN204652331 U CN 204652331U
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Abstract
The utility model discloses a kind of multipurpose delay switching circuit, comprises key switch K1, relay J, diode D1 and rectifier bridge T; One end of described button K1 connects pin 1 and the 220V line voltage of the contact J-1 of relay J, and the other end of key switch K1 connects the pin 2 of contact J-1 of electric capacity C4, resistance R1, socket B and relay J, the pin 3 gang socket A of the contact J-1 of relay J.The utility model delay switching circuit utilizes the characteristic of 555 timing chips and relay, integrate delayed start-up and time-delay closing function, greatly simplify circuit structure, and simple to operate, easy to use, therefore circuit has that cost of manufacture is low, structure is simple, control advantage accurately.
Description
Technical field
The utility model relates to a kind of delay switch, specifically a kind of multipurpose delay switching circuit.
Background technology
Electronic switch is the running unit utilizing power electronic device realizing circuit break-make, it realizes one of power electronic device controlling direct current break-make, more especially there is the switch of delayed start-up and time-delay closing, such as, after turning off the light, time delay just can be extinguished for a moment, go to bed to the time of people's abundance, bring great convenience to the life of people, but some occasion needs to use and prolongs out and prolong pass function simultaneously, but delay switch mostly in the market is simple function, only there is open time delay or close time delay function, effect is single, and complex structure, cost is higher.
Utility model content
The purpose of this utility model is to provide that a kind of structure is simple, the multipurpose delay switching circuit of strong interference immunity, 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 multipurpose delay switching circuit, comprises key switch K1, relay J, diode D1 and rectifier bridge T, one end of described button K1 connects pin 1 and the 220V line voltage of the contact J-1 of relay J, and the other end of key switch K1 connects electric capacity C4, resistance R1, the pin 2 of the contact J-1 of socket B and relay J, the pin 3 gang socket A of the contact J-1 of relay J, the other end of the other end gang socket B of socket A, the other end of 220V line voltage and the port 3 of rectifier bridge T, the other end of other end contact resistance R1 of electric capacity C4 and the port one of rectifier bridge T, the other end of the port 2 contact resistance R2 of rectifier bridge T and electric capacity C1, resistance R2 connects electric capacity C2, the anode of diode D1, the negative electrode of diode D2, the negative electrode of diode D5, relay J, the pin 4 of chip IC 1 and the pin 8 of chip IC 1, the other end of electric capacity C2 connects a stiff end of potentiometer RP1, the sliding end of potentiometer RP1, the pin 2 of chip IC 1 and the pin 6 of chip IC 1, the other end of electric capacity C1 connects electric capacity C3, the negative electrode of diode D3, the anode of diode D5, another stiff end of potentiometer RP1, the port 4 of rectifier bridge T and the pin 1 of chip IC 1, the pin 5 of chip IC 1 connects the other end of electric capacity C3, the other end of the other end contact resistance R4 of the negative electrode contact resistance R3 of diode D1, resistance R3, the anode of diode D2, the other end of relay J and the pin 3 of chip IC 1, the other end of resistance R4 connects the anode of diode D3.
As preferred version of the present utility model: the model of described chip IC 1 is NE555.
As preferred version of the present utility model: described diode D1 and diode D3 is light-emitting diode.
Compared with prior art, the beneficial effects of the utility model are: the utility model delay switching circuit utilizes the characteristic of 555 timing chips and relay, integrate delayed start-up and time-delay closing function, greatly simplify circuit structure, and it is simple to operate, easy to use, therefore circuit has that cost of manufacture is low, structure is simple, control advantage accurately.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of multipurpose delay switching 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 multipurpose delay switching circuit, comprise key switch K1, relay J, diode D1 and rectifier bridge T, one end of described button K1 connects pin 1 and the 220V line voltage of the contact J-1 of relay J, and the other end of key switch K1 connects electric capacity C4, resistance R1, the pin 2 of the contact J-1 of socket B and relay J, the pin 3 gang socket A of the contact J-1 of relay J, the other end of the other end gang socket B of socket A, the other end of 220V line voltage and the port 3 of rectifier bridge T, the other end of other end contact resistance R1 of electric capacity C4 and the port one of rectifier bridge T, the other end of the port 2 contact resistance R2 of rectifier bridge T and electric capacity C1, resistance R2 connects electric capacity C2, the anode of diode D1, the negative electrode of diode D2, the negative electrode of diode D5, relay J, the pin 4 of chip IC 1 and the pin 8 of chip IC 1, the other end of electric capacity C2 connects a stiff end of potentiometer RP1, the sliding end of potentiometer RP1, the pin 2 of chip IC 1 and the pin 6 of chip IC 1, the other end of electric capacity C1 connects electric capacity C3, the negative electrode of diode D3, the anode of diode D5, another stiff end of potentiometer RP1, the port 4 of rectifier bridge T and the pin 1 of chip IC 1, the pin 5 of chip IC 1 connects the other end of electric capacity C3, the other end of the other end contact resistance R4 of the negative electrode contact resistance R3 of diode D1, resistance R3, the anode of diode D2, the other end of relay J and the pin 3 of chip IC 1, the other end of resistance R4 connects the anode of diode D3.
The model of chip IC 1 is NE555.Diode D1 and diode D3 is light-emitting diode.
Operation principle of the present utility model is: press K1,220V becomes 12V direct current and is added in be made up of chip IC 1, relay J and peripheral cell thereof and surveys on delay controller after electric capacity C4 and resistance R1 step-down, rectifier bridge T rectification, electric capacity C1 filtering, at this moment 2 pin of NE555 and 6 pin are high level, then 3 pin of NE555 export as low level, therefore relay J obtains electric work, the pin 1,2 of contact J-1 is connected, and at this moment " Yan Guan " socket B obtains electric, and " prolonging out " socket A is without electricity.At this moment power supply by capacitor C2, potentiometer RP1 to " ", C2 is charged, along with the voltage on C2 raises, the voltage of 2,6 pin of NE555 is more and more toward declining, and when this voltage drop is to 8V, it is high level that 3 pin of NE555 export by low transition, at this moment dead electricity does not work by relay J, then its 1,3 pin controlling contact J-1 are connected, then " Yan Guan " socket B dead electricity, and " prolonging out " socket A obtains electric.Meet different demands, light-emitting diode D1, D3 are used for indicating outlet status like this.
Claims (3)
1. a multipurpose delay switching circuit, comprises key switch K1, relay J, diode D1 and rectifier bridge T, it is characterized in that, one end of described button K1 connects pin 1 and the 220V line voltage of the contact J-1 of relay J, and the other end of key switch K1 connects electric capacity C4, resistance R1, the pin 2 of the contact J-1 of socket B and relay J, the pin 3 gang socket A of the contact J-1 of relay J, the other end of the other end gang socket B of socket A, the other end of 220V line voltage and the port 3 of rectifier bridge T, the other end of other end contact resistance R1 of electric capacity C4 and the port one of rectifier bridge T, the other end of the port 2 contact resistance R2 of rectifier bridge T and electric capacity C1, resistance R2 connects electric capacity C2, the anode of diode D1, the negative electrode of diode D2, the negative electrode of diode D5, relay J, the pin 4 of chip IC 1 and the pin 8 of chip IC 1, the other end of electric capacity C2 connects a stiff end of potentiometer RP1, the sliding end of potentiometer RP1, the pin 2 of chip IC 1 and the pin 6 of chip IC 1, the other end of electric capacity C1 connects electric capacity C3, the negative electrode of diode D3, the anode of diode D5, another stiff end of potentiometer RP1, the port 4 of rectifier bridge T and the pin 1 of chip IC 1, the pin 5 of chip IC 1 connects the other end of electric capacity C3, the other end of the other end contact resistance R4 of the negative electrode contact resistance R3 of diode D1, resistance R3, the anode of diode D2, the other end of relay J and the pin 3 of chip IC 1, the other end of resistance R4 connects the anode of diode D3.
2. a kind of multipurpose delay switching circuit according to claim 1, is characterized in that, the model of described chip IC 1 is NE555.
3. a kind of multipurpose delay switching circuit according to claim 1, is characterized in that, described diode D1 and diode D3 is light-emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520411926.XU CN204652331U (en) | 2015-06-15 | 2015-06-15 | A kind of multipurpose delay switching circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520411926.XU CN204652331U (en) | 2015-06-15 | 2015-06-15 | A kind of multipurpose delay switching circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204652331U true CN204652331U (en) | 2015-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520411926.XU Expired - Fee Related CN204652331U (en) | 2015-06-15 | 2015-06-15 | A kind of multipurpose delay switching circuit |
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| CN (1) | CN204652331U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105278408A (en) * | 2015-10-26 | 2016-01-27 | 重庆电子工程职业学院 | Multifunctional timer circuit based on computer IC control |
-
2015
- 2015-06-15 CN CN201520411926.XU patent/CN204652331U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105278408A (en) * | 2015-10-26 | 2016-01-27 | 重庆电子工程职业学院 | Multifunctional timer circuit based on computer IC control |
| CN105278408B (en) * | 2015-10-26 | 2017-07-25 | 重庆电子工程职业学院 | A kind of Multifunctional timer circuit controlled based on computer IC |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20160615 |