CN204836666U - Long -life LED lamp - Google Patents
Long -life LED lamp Download PDFInfo
- Publication number
- CN204836666U CN204836666U CN201520470435.2U CN201520470435U CN204836666U CN 204836666 U CN204836666 U CN 204836666U CN 201520470435 U CN201520470435 U CN 201520470435U CN 204836666 U CN204836666 U CN 204836666U
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- CN
- China
- Prior art keywords
- relay
- pin
- contact
- connects
- chip
- 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.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a long -life LED lamp, including key switch K, relay J1, relay J2 and load cell U1, relay J1's contact J1 -1 and 220V alternating current are connected to key switch K's one end, and relay J1's contact J1 -1's the other end, diode D1's positive pole, relay J2's contact J2 -1 and transformer W's winding N2 are connected to key switch K1's the other end, and relay J2's contact J2 -1's the other end and LED lamps and lanterns H are connected to diode D1's negative pole. The utility model discloses long -life LED lamp circuit structure is simple, components and parts are few, adopts load cell and relay as buffer element, can effectively eliminate the spike voltage that the circular telegram produced in the twinkling of an eye, simultaneously circuit arrangement the auto -lock module, can the automatic disconnection switch after the power failure, so have the advantage of saving electric energy, longe -lived and stable performance.
Description
Technical field
The utility model relates to a kind of LED, specifically a kind of long-life LED.
Background technology
LED is low because have power consumption, heat radiation lampet advantage is widely used in lighting apparatus, and illumination is most important power mode in daily life, current LED has replaced incandescent lamp gradually and has entered huge numbers of families, but often run into the situation that when opening light switch, light fixture is burned in daily life, reason is that light fixture energising has larger impulse current instantaneously, need preheating light fixture being carried out to a period of time just can eliminate, if run into power failure people seldom to remember to close lamp switch, light fixture continuous firing after causing sending a telegram here, now may user staying out, add waste of energy and circuit loss.
Utility model content
The purpose of this utility model is to provide that a kind of structure is simple, the long-life LED of stable performance, 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 long-life LED, comprise key switch K, relay J 1, relay J 2 and load cell U1, one end of described key switch K connects contact J1-1 and the 220V alternating current of relay J 1, the other end of key switch K1 connects the other end of the contact J1-1 of relay J 1, the anode of diode D1, the contact J2-1 of the relay J 2 and winding N2 of transformer W, the negative electrode of diode D1 connects the other end and the LED lamp H of the contact J2-1 of relay J 2, the other end of the winding N2 of transformer W connects the pin 1 of load cell U1, the two ends of the winding N1 of transformer W connect the port 2 of rectifier bridge T and the port 4 of rectifier bridge T respectively, the port one of rectifier bridge T connects electric capacity C1, electric capacity C3, resistance R1, the negative electrode of diode D2, relay J 1, the pin 1 of relay J 2 and chip IC 1, the port 3 of rectifier bridge T connects the other end of electric capacity C1, electric capacity C2, the other end of relay J 1, the pin of chip IC 1 and the pin 8 of chip IC 1, the other end of the other end contact resistance R1 of electric capacity C2, the pin 2 of chip IC 1 and the pin 6 of chip IC 1, the pin 5 of chip IC 1 connects the other end of electric capacity C3, the pin 3 contact resistance R2 of chip IC 1 and the other end of relay J 2, the other end of resistance R2 connects the anode of diode D2, the pin 2 of load cell U1 connects the other end of LED lamp H, the pin 3 of load cell U1 connects the other end of 220V alternating current, the model of described chip IC 1 is NE555.
As preferred version of the present utility model: the model of described load cell U1 is ZA4N.
Compared with prior art, the beneficial effects of the utility model are: the utility model long-life LED lamp circuit structure is simple, components and parts are few, adopt load cell and relay as buffer element, effectively can eliminate the peak voltage that energising produces instantaneously, circuit is provided with self-locking module simultaneously, can automatic cut-off switch after power failure, therefore there is the advantage of saves energy, life-span long and stable performance.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of long-life LED.
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 long-life LED, comprise key switch K, relay J 1, relay J 2 and load cell U1, one end of described key switch K connects contact J1-1 and the 220V alternating current of relay J 1, the other end of key switch K1 connects the other end of the contact J1-1 of relay J 1, the anode of diode D1, the contact J2-1 of the relay J 2 and winding N2 of transformer W, the negative electrode of diode D1 connects the other end and the LED lamp H of the contact J2-1 of relay J 2, the other end of the winding N2 of transformer W connects the pin 1 of load cell U1, the two ends of the winding N1 of transformer W connect the port 2 of rectifier bridge T and the port 4 of rectifier bridge T respectively, the port one of rectifier bridge T connects electric capacity C1, electric capacity C3, resistance R1, the negative electrode of diode D2, relay J 1, the pin 1 of relay J 2 and chip IC 1, the port 3 of rectifier bridge T connects the other end of electric capacity C1, electric capacity C2, the other end of relay J 1, the pin of chip IC 1 and the pin 8 of chip IC 1, the other end of the other end contact resistance R1 of electric capacity C2, the pin 2 of chip IC 1 and the pin 6 of chip IC 1, the pin 5 of chip IC 1 connects the other end of electric capacity C3, the pin 3 contact resistance R2 of chip IC 1 and the other end of relay J 2, the other end of resistance R2 connects the anode of diode D2, the pin 2 of load cell U1 connects the other end of LED lamp H, the pin 3 of load cell U1 connects the other end of 220V alternating current, the model of chip IC 1 is NE555.
The model of load cell U1 is ZA4N.
Operation principle of the present utility model is: during use, when pressing mains switch K, 220V alternating current powers to after transformer W and rectifier bridge T relay J 1, relay J 1 conducting, the J1-1 adhesive of its contact, circuit self-locking, even if now unclamp key switch K1 circuit also can normally work, 220CV alternating current is powered to light fixture H by diode D1, owing to sealing in diode D1, the voltage at light fixture H two ends can be made only to have about 99V, now by low pressure, preheating is carried out to H.Now 2,6 pin of NE555 trigger end are high level, therefore output 3 pin of chip IC 1 is still low level, and relay J 2 does not work.When power supply is slowly charged to C2 by R1, the potential difference at C2 two ends is made to become large, i.e. 2,6 pin current potential step-downs of 555 trigger ends.When 2,6 pin voltages of 555 trigger ends are lower than 1/3 supply voltage, 555 trigger set immediately, now 3 pin of 555 are high level by original low transition, the adhesive of relay J 2 excitation, its contact J2-1 closes, and makes diode D1 by short circuit, and light fixture H total head works, in use if there is powering-off state, relay J 1 dead electricity, its contact J1-1 disconnects, even if now conduct again, light fixture H also can not light, and decreases waste of energy and circuit loss.
Claims (2)
1. a long-life LED, comprise key switch K, relay J 1, relay J 2 and load cell U1, it is characterized in that, one end of described key switch K connects contact J1-1 and the 220V alternating current of relay J 1, the other end of key switch K1 connects the other end of the contact J1-1 of relay J 1, the anode of diode D1, the contact J2-1 of the relay J 2 and winding N2 of transformer W, the negative electrode of diode D1 connects the other end and the LED lamp H of the contact J2-1 of relay J 2, the other end of the winding N2 of transformer W connects the pin 1 of load cell U1, the two ends of the winding N1 of transformer W connect the port 2 of rectifier bridge T and the port 4 of rectifier bridge T respectively, the port one of rectifier bridge T connects electric capacity C1, electric capacity C3, resistance R1, the negative electrode of diode D2, relay J 1, the pin 1 of relay J 2 and chip IC 1, the port 3 of rectifier bridge T connects the other end of electric capacity C1, electric capacity C2, the other end of relay J 1, the pin of chip IC 1 and the pin 8 of chip IC 1, the other end of the other end contact resistance R1 of electric capacity C2, the pin 2 of chip IC 1 and the pin 6 of chip IC 1, the pin 5 of chip IC 1 connects the other end of electric capacity C3, the pin 3 contact resistance R2 of chip IC 1 and the other end of relay J 2, the other end of resistance R2 connects the anode of diode D2, the pin 2 of load cell U1 connects the other end of LED lamp H, the pin 3 of load cell U1 connects the other end of 220V alternating current, the model of described chip IC 1 is NE555.
2. a kind of long-life LED according to claim 1, it is characterized in that, the model of described load cell U1 is ZA4N.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520470435.2U CN204836666U (en) | 2015-06-30 | 2015-06-30 | Long -life LED lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520470435.2U CN204836666U (en) | 2015-06-30 | 2015-06-30 | Long -life LED lamp |
Publications (1)
Publication Number | Publication Date |
---|---|
CN204836666U true CN204836666U (en) | 2015-12-02 |
Family
ID=54694215
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201520470435.2U Expired - Fee Related CN204836666U (en) | 2015-06-30 | 2015-06-30 | Long -life LED lamp |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN204836666U (en) |
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2015
- 2015-06-30 CN CN201520470435.2U patent/CN204836666U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20151202 Termination date: 20160630 |
|
CF01 | Termination of patent right due to non-payment of annual fee |