CN203851339U - Intelligent illuminance-controlled table lamp - Google Patents
Intelligent illuminance-controlled table lamp Download PDFInfo
- Publication number
- CN203851339U CN203851339U CN201420253071.8U CN201420253071U CN203851339U CN 203851339 U CN203851339 U CN 203851339U CN 201420253071 U CN201420253071 U CN 201420253071U CN 203851339 U CN203851339 U CN 203851339U
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- China
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- comparator
- output
- triode
- operational amplifier
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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 intelligent illuminance-controlled table lamp, which comprises a lamp holder (1), a lamp frame (2), a bulb, a power circuit and a brightness monitoring circuit, wherein the power circuit provides power for the bulb; through comparison calculation of an operational amplifier U1 and under effects of two comparators U2 and U3, the brightness sensor in the brightness monitoring circuit can automatically give an alarm in the cases when light of the table lamp is excessively bright or dim and the table lamp is turned off when a certain period of time is delayed. According to the intelligent illuminance-controlled table lamp, the structure is simple and compact, layout of the brightness monitoring circuit is reasonable, operation is stable, the used light intensity is monitored in real time, an alarm can be automatically given in the cases when light of the table lamp is excessively bright or dim, the user is reminded to adjust the brightness or turn off the table lamp, and the eyesight of the user can be effectively protected while energy is saved.
Description
Technical field
The utility model relates to lighting technical field, is specifically related to a kind of Intelligent light illumination and controls desk lamp.
Background technology
Current Intelligent light illumination is controlled desk lamp and is only had simple illumination functions, in daily life, people forget that in the enough situation of the light of being everlasting turning off Intelligent light illumination controls desk lamp, when wasting energy, also eyes are had to very large stimulation, be unfavorable for that eye is healthy, the in the situation that of dim light, user is not discovering, still continuing use, huge to eyes infringement.
Utility model content
The utility model, for the deficiencies in the prior art, proposes a kind of energy automatic monitoring photometry line, sends the Intelligent light illumination of warning and controls desk lamp.Concrete technical scheme is as follows:
A kind of Intelligent light illumination is controlled desk lamp, be provided with lamp socket (1), lamp bracket (2), bulb, power circuit and brightness monitoring circuit, described brightness monitoring circuit is provided with operational amplifier U1, the in-phase input end of this operational amplifier U1 connects luminance sensor, luminance sensor is powered through power circuit, the inverting input of this operational amplifier U1 is through resistance R 6 ground connection, between the inverting input of this operational amplifier U1 and output, string has resistance R 5, the output of this operational amplifier U1 is connected with the normal phase input end of comparator U2, the inverting input of described comparator U2 connects positive supply through resistance R 1, the inverting input of this comparator U2 is also through resistance R 2 ground connection, the base stage of the output termination triode Q1 of this comparator U2,
The output of described operational amplifier U1 is also connected with the inverting input of comparator U3, the positive input of this comparator U3 connects power circuit positive supply through resistance R 4, the positive input of this comparator U3 is also through resistance R 3 ground connection, the base stage of triode Q1 described in the output termination of this comparator U3;
The collector electrode of described triode Q1 connects described power circuit positive supply, and emitter is connected in series ground connection after the normally closed switch J1 of buzzer and time-delay relay J successively, and this emitter is also connected in series ground connection after the solenoid of time-delay relay J;
After normally closed switch J2 one end serial connection potentiometer R7 of described relay J, connect power circuit positive supply, ground connection after other end series-connected bulb.
The utility model is work like this, this Intelligent light illumination is controlled desk lamp power supply can adopt civil power, storage battery etc., power supply is after power circuit is processed, for desk lamp power supply, between power supply and power circuit, mains switch is set, in the time of need to throwing light on, turn on the power switch, power supply forms loop by normally closed switch J2 and the potentiometer R7 of relay J, at luminance sensor, light detected when too strong, the magnitude of voltage of input operational amplifier U1 in-phase end increases, the output output HIGH voltage signal of operational amplifier U1 is to the positive input of comparator U2, after the voltage threshold of high voltage signal higher than comparator U2 reverse input end, after comparator U2, export high level signal, this high level signal trigger triode conducting, buzzer and time-delay relay J solenoid obtain electric, buzzer sends chimes of doom, reminding user light is at that time too strong, if user is brightness adjusting not, when time-delay relay J delay time arrives, normally closed switch J2 will disconnect, close desk lamp, at luminance sensor, light detected when too weak, the magnitude of voltage of input operational amplifier U1 in-phase end reduces, the output output LOW voltage signal of operational amplifier U1 is to comparator U3 reverse input end, this low voltage signal lower than comparator U3 positive input voltage threshold after, comparator U3 goes out high level, this high level signal trigger triode conducting, buzzer and time-delay relay J solenoid obtain electric, buzzer sends chimes of doom, reminding user light at that time too a little less than, if user is brightness adjusting not, when time-delay relay J delay time arrives, normally closed switch J2 will disconnect, close desk lamp, the effect of playing vision protection and saving power supply.
For better realizing the utility model, may further be:
The base stage that meets described triode Q1 after the output string diode D1 of described comparator U2, this diode D1 positive pole connects the output of comparator U2, and negative pole connects the base stage of triode Q1; Between the base stage of the output of described comparator U3 and triode Q1, be in series with diode D2, this diode D2 positive pole connects the output of comparator U3, and negative pole connects the base stage of triode Q1.Can play a protective role, prevent the interference of noise signal to triode.
Described power circuit is provided with bridge rectifier module, and this bridge rectifier module input connects civil power after K switch, the input of output termination three-terminal voltage-stabilizing module U4, the output output positive supply of this three-terminal voltage-stabilizing module U4.After bridge rectifier module and three-terminal voltage-stabilizing module, guarantee that the illumination of desk lamp is stable, do not glimmer.
Described luminance sensor is arranged on the front end of the panel of lamp socket (1), can make detection to Intelligent light illumination control desk lamp and extraneous light, and described potentiometer R7 is arranged on the panel of lamp socket (1), handled easily and adjusting.
The beneficial effects of the utility model are: Intelligent light illumination control desk modulated structure is simply compact; brightness monitoring circuit arrangement is reasonable; stable; the light intensity that Real-Time Monitoring is used; at light superbright or dim in the situation that, can automatically send warning; reminding user brightness adjusting or close Intelligent light illumination and control desk lamp, in energy savings, can effectively protect user's eyesight.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is circuit diagram of the present utility model.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
A kind of Intelligent light illumination is controlled desk lamp, be provided with lamp socket 1, lamp bracket 2, bulb, power circuit and brightness monitoring circuit, described lamp bracket 2 is arranged on lamp socket 1 top, bulb is arranged on lamp bracket 2, and power circuit is provided with bridge rectifier module, and this bridge rectifier module input connects civil power after K switch, the input of output termination three-terminal voltage-stabilizing module U4, the output output positive supply of this three-terminal voltage-stabilizing module U4 is bulb powered, and wherein K switch is arranged on the panel of lamp socket 1, controls the switch of bulb;
Described brightness monitoring circuit is provided with operational amplifier U1, the in-phase input end of this operational amplifier U1 connects luminance sensor, luminance sensor is powered through power circuit, this luminance sensor is arranged on lamp socket 1 panel front end, the inverting input of described operational amplifier U1 is through resistance R 6 ground connection, between the inverting input of this operational amplifier U1 and output, string has resistance R 5, the output of this operational amplifier U1 is connected with the normal phase input end of comparator U2, the inverting input of described comparator U2 connects positive supply through resistance R 1, the inverting input of this comparator U2 is also through resistance R 2 ground connection, after the output string diode D1 of this comparator U2, connect the base stage of described triode Q1, this diode D1 positive pole connects the output of comparator U2, negative pole connects the base stage of triode Q1,
The output of described operational amplifier U1 is also connected with the inverting input of comparator U3, the positive input of this comparator U3 connects power circuit positive supply through resistance R 4, the positive input of this comparator U3 is also through resistance R 3 ground connection, between the output of this comparator U3 and the base stage of triode Q1, be in series with diode D2, this diode D2 positive pole connects the output of comparator U3, and negative pole connects the base stage of triode Q1;
The collector electrode of described triode Q1 connects described power circuit positive supply, and emitter is connected in series ground connection after the normally closed switch J1 of buzzer and time-delay relay J successively, and this emitter is also connected in series ground connection after the solenoid of time-delay relay J;
After normally closed switch J2 one end serial connection potentiometer R7 of described relay J, connect power circuit positive supply, ground connection after other end series-connected bulb, described potentiometer R7 is arranged on the panel of lamp socket 1.
The utility model is work like this: open K switch, for bulb switches on power, this bulb can adopt LED bulb, more energy-conservation, luminance sensor starts to detect the brightness of extraneous light, this luminance sensor is selected photo resistance, along with light grow, the resistance of photo resistance diminishes, the output end voltage of operational amplifier U1 increases, under the effect of divider resistance R1, make the voltage of comparator U2 inverting input keep constant, as be 5V, when the output end voltage of operational amplifier U1 surpasses 5V, comparator U2 exports high level, this high level is by trigger triode Q1 conducting, now buzzer obtains electric alarm, reminding user, time-delay relay J solenoid obtains electric simultaneously, this time-delay relay J selects the time delay relay of two minutes, if user does not regulate the brightness of bulb by potentiometer R7 after two minutes, normally closed switch J1 and the normally closed switch J2 of time-delay relay J will disconnect, bulb extinguishes, buzzer stop alarm, along with light dies down, it is large that the resistance of photo resistance becomes, the output end voltage of operational amplifier U1 reduces, under the effect of divider resistance R4, make comparator U3 positive input voltage keep stable, this magnitude of voltage is less than the magnitude of voltage of comparator U2 reverse input end, as be 1V, at the output end voltage of operational amplifier U1 during lower than 1V, comparator U2 output output high level, trigger triode Q1 conducting, now buzzer obtains electric alarm, reminding user, time-delay relay J solenoid obtains electric simultaneously, if user does not regulate the brightness of bulb by potentiometer R7 after two minutes, normally closed switch J1 and the normally closed switch J2 of time-delay relay J will disconnect, bulb extinguishes, buzzer stop alarm.
Claims (4)
1. an Intelligent light illumination is controlled desk lamp, be provided with lamp socket (1), lamp bracket (2), bulb, power circuit and brightness monitoring circuit, it is characterized in that: described brightness monitoring circuit is provided with operational amplifier U1, the in-phase input end of this operational amplifier U1 connects luminance sensor, luminance sensor is powered through power circuit, the inverting input of this operational amplifier U1 is through resistance R 6 ground connection, between the inverting input of this operational amplifier U1 and output, string has resistance R 5, the output of this operational amplifier U1 is connected with the normal phase input end of comparator U2, the inverting input of described comparator U2 connects positive supply through resistance R 1, the inverting input of this comparator U2 is also through resistance R 2 ground connection, the base stage of the output termination triode Q1 of this comparator U2,
The output of described operational amplifier U1 is also connected with the inverting input of comparator U3, the positive input of this comparator U3 connects power circuit positive supply through resistance R 4, the positive input of this comparator U3 is also through resistance R 3 ground connection, the base stage of triode Q1 described in the output termination of this comparator U3;
The collector electrode of described triode Q1 connects described power circuit positive supply, and emitter is connected in series ground connection after the normally closed switch J1 of buzzer and time-delay relay J successively, and this emitter is also connected in series ground connection after the solenoid of time-delay relay J;
After normally closed switch J2 one end serial connection potentiometer R7 of described relay J, connect power circuit positive supply, ground connection after other end series-connected bulb.
2. Intelligent light illumination is controlled desk lamp according to claim 1, it is characterized in that: the base stage that meets described triode Q1 after the output string diode D1 of described comparator U2, this diode D1 positive pole connects the output of comparator U2, and negative pole connects the base stage of triode Q1; Between the base stage of the output of described comparator U3 and triode Q1, be in series with diode D2, this diode D2 positive pole connects the output of comparator U3, and negative pole connects the base stage of triode Q1.
3. Intelligent light illumination is controlled desk lamp according to claim 1, it is characterized in that: described power circuit is provided with bridge rectifier module, this bridge rectifier module input connects civil power after K switch, the input of output termination three-terminal voltage-stabilizing module U4, the output output positive supply of this three-terminal voltage-stabilizing module U4.
4. Intelligent light illumination is controlled desk lamp according to claim 1, it is characterized in that: described luminance sensor is arranged on the front end of the panel of lamp socket (1), and described potentiometer R7 is arranged on the panel of lamp socket (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420253071.8U CN203851339U (en) | 2014-05-16 | 2014-05-16 | Intelligent illuminance-controlled table lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420253071.8U CN203851339U (en) | 2014-05-16 | 2014-05-16 | Intelligent illuminance-controlled table lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203851339U true CN203851339U (en) | 2014-09-24 |
Family
ID=51564304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420253071.8U Expired - Fee Related CN203851339U (en) | 2014-05-16 | 2014-05-16 | Intelligent illuminance-controlled table lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203851339U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113189924A (en) * | 2021-06-04 | 2021-07-30 | 邝利霞 | Control circuit of vision protection device for ophthalmologic patient |
-
2014
- 2014-05-16 CN CN201420253071.8U patent/CN203851339U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113189924A (en) * | 2021-06-04 | 2021-07-30 | 邝利霞 | Control circuit of vision protection device for ophthalmologic patient |
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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: 20140924 Termination date: 20170516 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |