CN201081111Y - Energy conservation desk lamp for sight protection - Google Patents
Energy conservation desk lamp for sight protection Download PDFInfo
- Publication number
- CN201081111Y CN201081111Y CNU2007201899246U CN200720189924U CN201081111Y CN 201081111 Y CN201081111 Y CN 201081111Y CN U2007201899246 U CNU2007201899246 U CN U2007201899246U CN 200720189924 U CN200720189924 U CN 200720189924U CN 201081111 Y CN201081111 Y CN 201081111Y
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- icne555
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- positive pole
- led
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- 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.)
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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 an eyesight healthcare energy-saving table lamp, and aims to provide a table lamp with less electric power consumption than the prior energy-saving lamp, long service life and timing going out. The utility model adopts the following technical proposal: a current-limiting resistor R7 is connected in series with an LED 1, an LED 2 ... and an LED 80 and then is connected with a C electrode of a switching triode V; a voltage-stabilizing current-limiting resistor R2 is connected with the negative electrode of a voltage-stabilizing diode VD5, an R3, an R4, an R5 and the a pin 4 and a pin 8 of a time base integrated circuit ICNE555; the positive electrode of the VD5 is earthed; the R3 is connected with the positive electrode of a VD6; the negative electrode of the VD6 is earthed; the R4 is connected with a press button switch AN and the pin 2 of the ICNE555R; moreover, the other end of the AN is earthed. The utility model is mainly used by a student during study.
Description
Technical field
The utility model relates to a kind of sight protection energy-saving desk lamp.
Background technology
Now the employed desk lamp of people be mostly with bulb or lamp rod as light source, not energy-conservation like this, even used energy-conservation light fixture; its power consumption is also bigger; energy-saving effect is very little, nor can regularly extinguish to remind user's vision protection of having a rest, and the service life of light fixture is also shorter in addition.
Summary of the invention
The technical problem that the utility model solved is: overcome the deficiencies in the prior art, provide a kind of than adopting existing energy-saving lamp also to want power consumption to lack, service time is long, can regularly turn off the light, and reminds the sight protection energy-saving desk lamp of user's rest.
For solving the problems of the technologies described above, the technical scheme that the utility model adopted is: alternating current 220V meets power switch K, meet diode VD1 through insurance resistance R 1 again, the positive pole of VD2, VD3, the negative pole of VD4 and VD1, the negative pole of VD2 connects the positive pole of filter capacitor C1, R7, the minus earth of R2 and C1, VD3, the plus earth of VD4, current-limiting resistance R7 and LED 1, the C that is connected on switch triode V after LED2 to LED80 is in series extremely goes up, the negative pole of voltage stabilizing current-limiting resistance R2 and Zener diode VD5, R3, R4, the pin 4 of R5 and time-base integrated circuit ICNE555, pin 8 links to each other, the plus earth of VD5, R3 links to each other with the positive pole of VD6, the minus earth of VD6, R4 links to each other with the pin 2 of press button AN and ICNE555, the other end ground connection of AN, R5 links to each other with timing regulator potentiometer RP, the positive pole of the other end of RP and capacitor C 2, the pin 6 of ICNE555, pin 7 links to each other, the minus earth of capacitor C 2, pin 1 ground connection of ICNE555, pin 5 connects after the capacitor C 3 ground connection again, connect the positive pole of VD7 behind the pin 3 connecting resistance R6 of ICNE555 again, the negative pole of VD7 extremely links to each other with the B of switch triode V, the E utmost point ground connection of V.
Because what the utility model adopted is that 80 LED are as light source, power 3-4W brightness is equivalent to 11 watts electricity-saving lamp, LED was 100,000 hours service life, energy savings and the purpose that prolongs the service life of desk lamp have been realized, also because the utility model is provided with regularly regulator potentiometer RP on its circuit, make people's study of can scientifically reading a book, reminds people is had a rest eyesight is played a role in health care.
Description of drawings
Accompanying drawing is a circuit structure schematic diagram of the present utility model.
The specific embodiment
The utility model will be further described below in conjunction with drawings and Examples.
By accompanying drawing as can be known: alternating current 220V meets power switch K, meet diode VD1 through insurance resistance R 1 again, the positive pole of VD2, VD3, the negative pole of VD4 and VD1, the negative pole of VD2 connects the positive pole of filter capacitor C1, R7, the minus earth of R2 and C1, VD3, the plus earth of VD4, current-limiting resistance R7 and LED 1, the C that is connected on switch triode V after LED2 to LED80 is in series extremely goes up, the negative pole of voltage stabilizing current-limiting resistance R2 and Zener diode VD5, R3, R4, the pin 4 of R5 and time-base integrated circuit ICNE555, pin 8 links to each other, the plus earth of VD5, R3 links to each other with the positive pole of VD6, the minus earth of VD6, R4 links to each other with the pin 2 of press button AN and ICNE555, the other end ground connection of AN, R5 links to each other with timing regulator potentiometer RP, the positive pole of the other end of RP and capacitor C 2, the pin 6 of ICNE555, pin 7 links to each other, the minus earth of capacitor C 2, pin 1 ground connection of ICNE555, pin 5 connects after the capacitor C 3 ground connection again, connect the positive pole of VD7 behind the pin 3 connecting resistance R6 of ICNE555 again, the negative pole of VD7 extremely links to each other with the B of switch triode V, the E utmost point ground connection of V.
Circuit is formed
Circuit is made up of power circuit, lighting control circuit and LED illuminating circuit three parts.
Power circuit is made up of power switch K, insurance resistance R 1, bridge rectifier VD1-VD4, filter capacitor C1 and mu balanced circuit R2, VD5.
Alternating current 220V is through the VD1-VD4 rectification, C1 filtering output+290V DC voltage, for the LED illuminating circuit provides operating voltage, after R2, VD5 voltage stabilizing, for the time basis set become ICNE555 to provide+8V voltage.
Lighting control circuit by the time basis set become ICNE555 and switch triode V, resistance R 4, R5, R6, regularly regulator potentiometer RP, capacitor C2, C3, light start fine motion knob AN, power supply indicator circuit R3, Red LED1 VD6, the green light emitting diode VD7 of timing indicator and form.
The LED illuminating circuit is made up of current-limiting resistance R7 and LED1, LED2 to LED80.
Operation principle
After turning on the power switch K, obtain+8V voltage by R2, VD5, the pin 2 of ICNE555 is in stable state for high level, pin 3 output low levels, regularly indicate green light emitting diode VD7 by not luminous, switch triode V ends, and the LED illuminating circuit does not work, VD6 is bright for the power supply indicator Red LED1, and the indication power supply is switched on.
Click press button AN, the pin 2 of ICNE555 is a low level, circuit is triggered and overturns, and becomes transient state by stable state, pin 3 output high level, and timing indicator VD7 conducting is luminous, switch triode V saturation conduction, the conducting of LED illuminating circuit is luminous.Meanwhile ,+8V voltage charges to C2 through R5, RP again, after C2 is full of electricity.The delay time of monostable circuit finishes, and reverts to stable state, pin 3 output low levels of ICNE555, and timing indicator VD7 is not by luminous, and switch triode V ends.The LED illuminating circuit is not by luminous, and the prompting classmates are vision protection, the study again of should having a rest for a moment.The time was at 40 minutes-60 minutes when regulating the controlled formulation of RP.
Element is selected
R1 selects 1/2WO.2 Ω insurance resistance.
R2 selects 1/4W metalfilmresistor 47K.
R3 selects 1/4W metalfilmresistor 4.7K.
R4 selects 1/4W metalfilmresistor 47K.
R5 selects 1/4W metalfilmresistor 2.8M.
R6 selects 1/4 Ω W metalfilmresistor 3K.
R7 selects 1W100 Ω metalfilmresistor, and the resistance of regulating R7 makes the operating current of LED at 18-20MA.
C1 selects the alminium electrolytic condenser of withstand voltage 400V, 47UF.
C2 selects the alminium electrolytic condenser of withstand voltage 25V, 1000UF.
C3 selects the 0.01UF electric capacity of the dacron.
K and RP select the 470K potentiometer with switch.
VD1-VD4 selects the IN4007 diode.
VD5 selects 1/2W, 8V silicon voltage regulator diode.
VD6 selects red light emitting diodes.
VD7 selects green LED.
Switch V selects S9013 silicon NPN pipe.
LED1, LED2 to LED80 select the L-513NPWC model, Φ 5, high brightness, white, 15 ° at LED visual angle, tube voltage drop 3.6V, maximal work electric current 30MA.
AN selects microswitch.
Desk lamp is installed
Base: 20 * 20CM, control circuit are installed in the base, and power switch K, power supply indicator Red LED1 VD6, timing indicate green light emitting diode VD7, press button AN to be installed on the seating plane.
Desk lamp face: 10 * 30CM, LED 1, LED2 to LED80 evenly distribute and cover is gone up transparent plastic in case safety.
Operation instruction
Opening power K clicks microswitch AN, and desk lamp is luminous, and regulator potentiometer RP selects the study timing, and after lamp regularly extinguished, press AN again, to get final product lamp bright.
Claims (1)
1. sight protection energy-saving desk lamp, it is characterized in that: alternating current 220V meets power switch K, meet diode VD1 through insurance resistance R 1 again, the positive pole of VD2, VD3, the negative pole of VD4 and VD1, the negative pole of VD2 connects the positive pole of filter capacitor C1, R7, the minus earth of R2 and C1, VD3, the plus earth of VD4, current-limiting resistance R7 and LED 1, the C that is connected on switch triode V after LED2 to LED80 is in series extremely goes up, the negative pole of voltage stabilizing current-limiting resistance R2 and Zener diode VD5, R3, R4, the pin 4 of R5 and time-base integrated circuit ICNE555, pin 8 links to each other, the plus earth of VD5, R3 links to each other with the positive pole of VD6, the minus earth of VD6, R4 links to each other with the pin 2 of press button AN and ICNE555, the other end ground connection of AN, R5 links to each other with timing regulator potentiometer RP, the positive pole of the other end of RP and capacitor C 2, the pin 6 of ICNE555, pin 7 links to each other, the minus earth of capacitor C 2, pin 1 ground connection of ICNE555, pin 5 connects after the capacitor C 3 ground connection again, connect the positive pole of VD7 behind the pin 3 connecting resistance R6 of ICNE555 again, the negative pole of VD7 extremely links to each other with the B of switch triode V, the E utmost point ground connection of V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201899246U CN201081111Y (en) | 2007-10-18 | 2007-10-18 | Energy conservation desk lamp for sight protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201899246U CN201081111Y (en) | 2007-10-18 | 2007-10-18 | Energy conservation desk lamp for sight protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201081111Y true CN201081111Y (en) | 2008-07-02 |
Family
ID=39614783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201899246U Expired - Fee Related CN201081111Y (en) | 2007-10-18 | 2007-10-18 | Energy conservation desk lamp for sight protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201081111Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101790271A (en) * | 2010-03-23 | 2010-07-28 | 广东易家通数字家庭技术发展有限公司 | Light controller capable of regulating delay and brightness |
| CN105423175A (en) * | 2015-12-12 | 2016-03-23 | 重庆信德电子有限公司 | Working method of table lamp |
-
2007
- 2007-10-18 CN CNU2007201899246U patent/CN201081111Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101790271A (en) * | 2010-03-23 | 2010-07-28 | 广东易家通数字家庭技术发展有限公司 | Light controller capable of regulating delay and brightness |
| CN105423175A (en) * | 2015-12-12 | 2016-03-23 | 重庆信德电子有限公司 | Working method of table lamp |
| CN105423175B (en) * | 2015-12-12 | 2018-02-13 | 重庆信德电子有限公司 | A kind of method of work of desk lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |