CN205336119U - Anti -interference portable LED lamp - Google Patents
Anti -interference portable LED lamp Download PDFInfo
- Publication number
- CN205336119U CN205336119U CN201620092806.2U CN201620092806U CN205336119U CN 205336119 U CN205336119 U CN 205336119U CN 201620092806 U CN201620092806 U CN 201620092806U CN 205336119 U CN205336119 U CN 205336119U
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- electric capacity
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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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses an anti -interference portable LED lamp, including battery E, diode D1, resistance R1 and key switch K, relay J's contact J -1 and switch S1 are connected to key switch K's one end, and battery E's positive pole is connected to switch S1's the other end, and relay J's contact J -1's the other end, relay J, resistance R1, resistance R9, electric capacity C8, diode D3's positive pole and transformer W's winding N1 are connected to key switch K's the other end, and diode D5's negative pole is connected to resistance R9's the other end. The utility model discloses anti -interference portable LED lamp has not only set up and has held the battery under voltage protective film piece, trails output voltage through feedback circuit moreover to adjust drain electrode output signal's duty cycle through switching power supply control chip, thereby effectively reduced output voltage's fluctuation, increase LED's power supply stability, consequently have long service life, output voltage is stable and the manifold advantage of function.
Description
Technical field
This utility model relates to a kind of LED, specifically a kind of anti-interference portable LED。
Background technology
The lighting that lantern is daily life and commercial production person commonly uses, traditional lantern all uses common bulb as light source, not only utilization rate of electrical is low, heat dissipation capacity is big, and be easily damaged, development along with electronics technology, people begin to use LED to replace traditional light fixture, LED has the advantage such as environmental protection, energy-conservation, life-span length and is considered 21 century lighting source, power module of voltage regulation it is provided with inside lantern, what can increase LED supplies electrical stability, thus extending the service life of electronic device。But mostly there is structure complexity in existing regulated power supply, the problem that voltage regulation result is undesirable, and also interference free performance is poor, and existing lantern is shorter for service life, therefore needs to be improved。
Utility model content
The purpose of this utility model is in that to provide a kind of simple in construction, anti-interference portable LED easy to use, with the problem solving to propose in above-mentioned background technology。
For achieving the above object, this utility model provides following technical scheme:
A kind of anti-interference portable LED, including accumulator E, diode D1, one end of resistance R1 and key switch K, described key switch K connects the contact J-1 and switch S1 of relay J, and the other end of switch S1 connects the positive pole of accumulator E, and the other end of key switch K connects the other end of the contact J-1 of relay J, relay J, resistance R1, resistance R9, electric capacity C8, the anode of diode D3 and the winding N1 of transformator W, the other end of resistance R9 connects the negative electrode of diode D5, the base stage of the anode connecting triode V1 of diode D5, the other end of the collector connection relay J of audion V1, the other end of resistance R1 connects the other end of the pin M, electric capacity C9 of chip IC 1 and connects resistance R3, electric capacity C2, electric capacity C6, the emitter stage of audion V1, the negative electrode of the negative pole of accumulator E and the winding N3 of transformator W, diode D3 connects the negative electrode of diode D1, the other end of the winding N1 of the anode connection transformer W of diode D1 and the pin D of chip IC 1, and the pin C of chip IC 1 connects electric capacity C1, the other end of electric capacity C2 and the pin 3 of chip IC 2, the other end of electric capacity C1 connects the other end of resistance R3, and the other end of electric capacity C8 connects resistance R8, the pin A of chip IC 3, electric capacity C4, electric capacity C5, the other end of the winding N2 of the winding N2 of transformator W and LED lamp H, transformator W connects the other end of the other end connection electric capacity C4 of the other end connection resistance R4, resistance R4 of electric capacity C3 and diode D4, electric capacity C3, resistance R5, the negative electrode of inductance L1 and diode D4, the other end of inductance L1 connects the other end of electric capacity C5, the other end of resistance R7 and LED lamp H, the other end of resistance R5 connects the pin 1 of resistance R6 and chip IC 2, the other end of the winding N3 of transformator W connects the anode of diode D2, the negative electrode of diode D2 connects the other end of electric capacity C6 and the pin 4 of chip IC 2, and the other end of resistance R6 connects electric capacity C7, another point of the pin 2 of chip IC 2 and the pin K of chip IC 3, electric capacity C7 connects the other end of resistance R7, the pin R of resistance R8 and chip IC 3, the model of chip IC 1 is TOP252, and the model of chip IC 2 is 4N25, and the model of chip IC 3 is TL431。
As preferred version of the present utility model: described LED lamp H is made up of the LED lamp bead of 12 1W。
Compared with prior art; the beneficial effects of the utility model are: the anti-interference portable LED of this utility model is not only provided with storage battery under-voltage protection module; and follow the tracks of output voltage by feedback circuit; and the dutycycle of drain electrode output signal is regulated by Switching Power Supply control chip; thus effectively reducing the fluctuation of output voltage; what increase LED supplies electrical stability, the advantage therefore with long service life, output voltage stabilization and diverse in function。
Accompanying drawing explanation
Fig. 1 is the circuit diagram of anti-interference portable LED。
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 obtain under not making creative work premise, broadly fall into the scope of this utility model protection。
Refer to Fig. 1, a kind of anti-interference portable LED, including accumulator E, diode D1, resistance R1 and key switch K, one end of described key switch K connects the contact J-1 and switch S1 of relay J, the other end of switch S1 connects the positive pole of accumulator E, the other end of key switch K connects the other end of the contact J-1 of relay J, relay J, resistance R1, resistance R9, electric capacity C8, the anode of diode D3 and the winding N1 of transformator W, the other end of resistance R9 connects the negative electrode of diode D5, the base stage of the anode connecting triode V1 of diode D5, the other end of the collector connection relay J of audion V1, the other end of resistance R1 connects the pin M of chip IC 1, the other end of electric capacity C9 connects resistance R3, electric capacity C2, electric capacity C6, the emitter stage of audion V1, the negative pole of accumulator E and the winding N3 of transformator W, the negative electrode of diode D3 connects the negative electrode of diode D1, the other end of the winding N1 of the anode connection transformer W of diode D1 and the pin D of chip IC 1, the pin C of chip IC 1 connects electric capacity C1, the other end of electric capacity C2 and the pin 3 of chip IC 2, the other end of electric capacity C1 connects the other end of resistance R3, the other end of electric capacity C8 connects resistance R8, the pin A of chip IC 3, electric capacity C4, electric capacity C5, the winding N2 of transformator W and LED lamp H, the other end of the winding N2 of transformator W connects electric capacity C3 and diode D4, the other end of electric capacity C3 connects resistance R4, the other end of resistance R4 connects the other end of electric capacity C4, resistance R5, the negative electrode of inductance L1 and diode D4, the other end of inductance L1 connects the other end of electric capacity C5, the other end of resistance R7 and LED lamp H, the other end of resistance R5 connects the pin 1 of resistance R6 and chip IC 2, the other end of the winding N3 of transformator W connects the anode of diode D2, the negative electrode of diode D2 connects the other end of electric capacity C6 and the pin 4 of chip IC 2, the other end of resistance R6 connects electric capacity C7, the pin 2 of chip IC 2 and the pin K of chip IC 3, another point of electric capacity C7 connects the other end of resistance R7, the pin R of resistance R8 and chip IC 3, the model of chip IC 1 is TOP252, the model of chip IC 2 is 4N25, the model of chip IC 3 is TL431。
LED lamp H is made up of the LED lamp bead of 12 1W。
Operation principle of the present utility model is: during use, first Guan Bi switch S1, then push button K, and under normal circumstances, the voltage of accumulator E is by breakdown diode D5 after resistance R9, the base stage making audion V1 obtains electric, audion V1 turns on, relay J adhesive, circuit self-locking, after electric capacity C3 in circuit and resistance R4 concatenation in parallel with commutation diode D4, this electric capacity C3 and resistance R4 is used for filtering the electromagnetic interference of the first secondary windings outfan of high frequency transformer T1。When the change in voltage of output, this voltage is supplied to the reference pole of three terminal regulator IC3 after resistance R7 and resistance R8 dividing potential drop, so that the output voltage of three terminal regulator IC3 produces change, thus the electric current flowing through the light emitting diode of optocoupler IC2 changes, therefore the electric current of the transistor emitter of optocoupler IC2 produces change, even if the operating current controlling end C of Switching Power Supply control chip IC1 changes, so that Switching Power Supply control chip IC1 controls the dutycycle of drain D output signal, the output voltage of output circuit is made to change in the opposite direction。Thus can export stable running voltage and stable operating current supply LED lamp H uses。Work along with accumulator E; its output voltage constantly reduces; when its voltage is lower than under-voltage marginal value; its undertension makes audion V1 turn on breakdown diode D5; therefore relay J dead electricity, its contact J-1 disconnects, and effectively protection accumulator E is from under-voltage damage; if in use wanting manual-lock lantern, switch S1 only need to be disconnected。
Claims (2)
1. an anti-interference portable LED, including accumulator E, diode D1, resistance R1 and key switch K, it is characterized in that, one end of described key switch K connects the contact J-1 and switch S1 of relay J, the other end of switch S1 connects the positive pole of accumulator E, the other end of key switch K connects the other end of the contact J-1 of relay J, relay J, resistance R1, resistance R9, electric capacity C8, the anode of diode D3 and the winding N1 of transformator W, the other end of resistance R9 connects the negative electrode of diode D5, the base stage of the anode connecting triode V1 of diode D5, the other end of the collector connection relay J of audion V1, the other end of resistance R1 connects the pin M of chip IC 1, the other end of electric capacity C9 connects resistance R3, electric capacity C2, electric capacity C6, the emitter stage of audion V1, the negative pole of accumulator E and the winding N3 of transformator W, the negative electrode of diode D3 connects the negative electrode of diode D1, the other end of the winding N1 of the anode connection transformer W of diode D1 and the pin D of chip IC 1, the pin C of chip IC 1 connects electric capacity C1, the other end of electric capacity C2 and the pin 3 of chip IC 2, the other end of electric capacity C1 connects the other end of resistance R3, the other end of electric capacity C8 connects resistance R8, the pin A of chip IC 3, electric capacity C4, electric capacity C5, the winding N2 of transformator W and LED lamp H, the other end of the winding N2 of transformator W connects electric capacity C3 and diode D4, the other end of electric capacity C3 connects resistance R4, the other end of resistance R4 connects the other end of electric capacity C4, resistance R5, the negative electrode of inductance L1 and diode D4, the other end of inductance L1 connects the other end of electric capacity C5, the other end of resistance R7 and LED lamp H, the other end of resistance R5 connects the pin 1 of resistance R6 and chip IC 2, the other end of the winding N3 of transformator W connects the anode of diode D2, the negative electrode of diode D2 connects the other end of electric capacity C6 and the pin 4 of chip IC 2, the other end of resistance R6 connects electric capacity C7, the pin 2 of chip IC 2 and the pin K of chip IC 3, another point of electric capacity C7 connects the other end of resistance R7, the pin R of resistance R8 and chip IC 3, the model of chip IC 1 is TOP252, the model of chip IC 2 is 4N25, the model of chip IC 3 is TL431。
2. the anti-interference portable LED of one according to claim 1, it is characterised in that described LED lamp H is made up of the LED lamp bead of 12 1W。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620092806.2U CN205336119U (en) | 2016-01-31 | 2016-01-31 | Anti -interference portable LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620092806.2U CN205336119U (en) | 2016-01-31 | 2016-01-31 | Anti -interference portable LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205336119U true CN205336119U (en) | 2016-06-22 |
Family
ID=56317461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620092806.2U Expired - Fee Related CN205336119U (en) | 2016-01-31 | 2016-01-31 | Anti -interference portable LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205336119U (en) |
-
2016
- 2016-01-31 CN CN201620092806.2U patent/CN205336119U/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: 20160622 Termination date: 20170131 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |