CN204663199U - A kind of electric control lock unlock circuit - Google Patents
A kind of electric control lock unlock circuit Download PDFInfo
- Publication number
- CN204663199U CN204663199U CN201520360867.8U CN201520360867U CN204663199U CN 204663199 U CN204663199 U CN 204663199U CN 201520360867 U CN201520360867 U CN 201520360867U CN 204663199 U CN204663199 U CN 204663199U
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- connects
- control lock
- electric control
- relay
- transformer
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Abstract
The utility model discloses a kind of electric control lock unlock circuit, comprise transformer W, rectifier bridge T, chip IC 1, coil L and relay J, one end of the winding N1 of described transformer W connects fuse FU, the other end of fuse FU connects 220V line voltage, the other end of the winding N1 of transformer W connects the other end of 220V line voltage, 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 utility model electric control lock unlock circuit utilizes capacitor charge and discharge principle to achieve volitional check power-on time, avoids coil and to be energized for a long time the damage caused, effectively play a protective role to electric control lock coil, and circuit structure is simple, easy to operate simultaneously.
Description
Technical field
The utility model relates to a kind of electronic device, specifically a kind of electric control lock unlock circuit.
Background technology
Electric control lock is the product of Modern Electronic science and technology, use electric control lock to open the door at a distance easily, but the actuating coil rated voltage of this lock is 12V direct current, D.C. resistance about 2 Ω, operating current is comparatively large, if therefore power supply is for a long time to coil power supply, just likely burns out power supply or coil.
Utility model content
The purpose of this utility model is to provide that a kind of structure is simple, the electric control lock unlock circuit of automatic electric limiting, 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 electric control lock unlock circuit, comprise transformer W, rectifier bridge T, chip IC 1, coil L and relay J, one end of the winding N1 of described transformer W connects fuse FU, the other end of fuse FU connects 220V line voltage, the other end of the winding N1 of transformer W connects the other end of 220V line voltage, 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 of rectifier bridge T connects the pin 1 of electric capacity C1 and chip IC 1, the pin 2 of chip IC 1 connects the other end of electric capacity C1, electric capacity C2, resistance R2, key switch K1, the port 4 of rectifier bridge T and coil L ground connection, the other end of resistance R2 connects the negative electrode of diode D1, the pin 3 contact resistance R1 of chip IC 1, the anode of diode D1 and the contact J-1 of relay J, the other end of resistance R1 connects the other end and the relay J of electric capacity C2, the other end of relay J connects the other end of key switch K1, the other end of the other end connecting coil L of the contact J-1 of relay J.
As preferred version of the present utility model: described chip IC 1 is 7812 three terminal regulators.
As preferred version of the present utility model: described relay J is constant open contact relay.
As preferred version of the present utility model: 220V voltage is become 15V by winding N1 and N2 of described transformer W.
As preferred version of the present utility model: described diode D1 is light emitting diode.
Compared with prior art; the beneficial effects of the utility model are: the utility model electric control lock unlock circuit utilizes capacitor charge and discharge principle to achieve volitional check power-on time; avoid coil to be energized for a long time the damage caused; effectively play a protective role to electric control lock coil, circuit structure is simple, easy to operate simultaneously.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of electric control lock unlock circuit.
Detailed description of the invention
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 electric control lock unlock circuit, comprise transformer W, rectifier bridge T, chip IC 1, coil L and relay J, one end of the winding N1 of described transformer W connects fuse FU, the other end of fuse FU connects 220V line voltage, the other end of the winding N1 of transformer W connects the other end of 220V line voltage, 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 of rectifier bridge T connects the pin 1 of electric capacity C1 and chip IC 1, the pin 2 of chip IC 1 connects the other end of electric capacity C1, electric capacity C2, resistance R2, key switch K1, the port 4 of rectifier bridge T and coil L ground connection, the other end of resistance R2 connects the negative electrode of diode D1, the pin 3 contact resistance R1 of chip IC 1, the anode of diode D1 and the contact J-1 of relay J, the other end of resistance R1 connects the other end and the relay J of electric capacity C2, the other end of relay J connects the other end of key switch K1, the other end of the other end connecting coil L of the contact J-1 of relay J.
Chip IC 1 is 7812 three terminal regulators.
Relay J is constant open contact relay.
220V voltage is become 15V by winding N1 and N2 of transformer W.
Diode D1 is light emitting diode.
Operating principle of the present utility model is: after connecing people 220V electric main, electric capacity C1 and C2 is full of electricity very soon.220V alternating current is powered to circuit by becoming direct current after transformer W transformation, rectifier bridge T rectification, when push button K switch 1 time, electric capacity C2 is discharged by relay J, and the constant open contact J-1 of J closes, C1 is discharged to coil L by three terminal regulator IC1, and electric control lock is opened.If press K1 not put, due to resistance R2 step-down, make the release voltage of voltage lower than J at C2 two ends, the constant open contact J-1 of J disconnects again very soon, and L power-off, serves the effect of volitional check power-on time.Only have when hand unclamps K1; after C1 and C2 is full of electricity; could unblank again; circuit utilizes capacitor charge and discharge principle to achieve volitional check power-on time; avoid coil to be energized for a long time the damage caused; effectively play a protective role to electric control lock coil, circuit structure is simple, easy to operate simultaneously.
Claims (5)
1. an electric control lock unlock circuit, comprises transformer W, rectifier bridge T, chip IC 1, coil L and relay J, it is characterized in that, one end of the winding N1 of described transformer W connects fuse FU, the other end of fuse FU connects 220V line voltage, the other end of the winding N1 of transformer W connects the other end of 220V line voltage, 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 of rectifier bridge T connects the pin 1 of electric capacity C1 and chip IC 1, the pin 2 of chip IC 1 connects the other end of electric capacity C1, electric capacity C2, resistance R2, key switch K1, the port 4 of rectifier bridge T and coil L ground connection, the other end of resistance R2 connects the negative electrode of diode D1, the pin 3 contact resistance R1 of chip IC 1, the anode of diode D1 and the contact J-1 of relay J, the other end of resistance R1 connects the other end and the relay J of electric capacity C2, the other end of relay J connects the other end of key switch K1, the other end of the other end connecting coil L of the contact J-1 of relay J.
2. a kind of electric control lock unlock circuit according to claim 1, is characterized in that, described chip IC 1 is 7812 three terminal regulators.
3. a kind of electric control lock unlock circuit according to claim 1, is characterized in that, described relay J is constant open contact relay.
4. a kind of electric control lock unlock circuit according to claim 1, is characterized in that, 220V voltage is become 15V by winding N1 and N2 of described transformer W.
5. a kind of electric control lock unlock circuit according to claim 1, is characterized in that, described diode D1 is light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520360867.8U CN204663199U (en) | 2015-05-30 | 2015-05-30 | A kind of electric control lock unlock circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520360867.8U CN204663199U (en) | 2015-05-30 | 2015-05-30 | A kind of electric control lock unlock circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204663199U true CN204663199U (en) | 2015-09-23 |
Family
ID=54133592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520360867.8U Expired - Fee Related CN204663199U (en) | 2015-05-30 | 2015-05-30 | A kind of electric control lock unlock circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204663199U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106320866A (en) * | 2016-10-27 | 2017-01-11 | 江南大学 | Energy-saving sticking attraction type electric door catch |
| CN106703549A (en) * | 2016-12-12 | 2017-05-24 | 中国航空救生研究所 | Drag parachute lock unlocking circuit |
| CN106953294A (en) * | 2017-04-11 | 2017-07-14 | 成都市宏山科技有限公司 | A kind of safe and efficient unlocking circuit |
-
2015
- 2015-05-30 CN CN201520360867.8U patent/CN204663199U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106320866A (en) * | 2016-10-27 | 2017-01-11 | 江南大学 | Energy-saving sticking attraction type electric door catch |
| CN106320866B (en) * | 2016-10-27 | 2017-11-21 | 江南大学 | Energy-saving patch suction electric switch door bolt |
| CN106703549A (en) * | 2016-12-12 | 2017-05-24 | 中国航空救生研究所 | Drag parachute lock unlocking circuit |
| CN106953294A (en) * | 2017-04-11 | 2017-07-14 | 成都市宏山科技有限公司 | A kind of safe and efficient unlocking circuit |
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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: 20150923 Termination date: 20170530 |