CN201582757U - Computer synchronizing light - Google Patents
Computer synchronizing light Download PDFInfo
- Publication number
- CN201582757U CN201582757U CN2009202821286U CN200920282128U CN201582757U CN 201582757 U CN201582757 U CN 201582757U CN 2009202821286 U CN2009202821286 U CN 2009202821286U CN 200920282128 U CN200920282128 U CN 200920282128U CN 201582757 U CN201582757 U CN 201582757U
- Authority
- CN
- China
- Prior art keywords
- resistance
- computer
- optocoupler
- lamp
- triode
- 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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Abstract
The utility model relates to a computer synchronizing light comprising a computer USB socket, a resistor, a photoresistor, a capacitor, a diode, a triode, an optical coupler, an illuminating light and a power supply plug. The computer synchronizing light adopts a structure with the computer USB socket and an optical control switch, thus having the advantages of simple structure, convenient use, low cost, capability of automatically turning on the illuminating light when the ambient light is darker, as well as capability of automatically turning off the illuminating light when the ambient light is normal compared with the prior art.
Description
Technical field
The utility model relates to a kind of lamp, is a kind of computer synchronizing lamp concretely.
Background technology
Open computer learning or when work at night, must opening an illuminating lamp, to do light source be keyboard illumination and vision protection.At present, people are the mode of opening indoor illumination light fitting, also have on the computer next door to place the desk lamp mode, and these light fixtures all need use switch opens in addition when opening computer, when closing computer, also switch will cut out.Use very inconvenience, as forget to turn off the light and then can cause waste of electric energy.
The utility model content
The purpose of this utility model is exactly the defective that exists at prior art, and a kind of simple in structure, with low cost, the computer synchronizing lamp that can open automatically, close automatically is provided.
Its technical scheme is: comprise computer USB socket, resistance, photo resistance, electric capacity, diode, triode, optocoupler, illuminating lamp and attaching plug.1 pin of described computer USB socket is connected with the positive pole of diode, the negative pole of diode is connected with an end anodal and first resistance of electric capacity, the other end of first resistance is connected with an end of second resistance and the positive input terminal of optocoupler, the negative input end of optocoupler is connected with the colelctor electrode of triode, the other end of second resistance is connected with an end of photo resistance and the base stage of triode, and 4 pin of computer USB socket are connected with the other end of the negative pole of electric capacity, photo resistance and the emitter stage of triode; One end of attaching plug is connected with an output of optocoupler and silicon controlled anode, and the other end of attaching plug is connected with the silicon controlled negative electrode by illuminating lamp, and another output of optocoupler is connected with the silicon controlled control utmost point.Described illuminating lamp is incandescent lamp, fluorescent lamp or LED lamp.
The utility model adopts the structure of computer USB socket and photocontrol switch, make it compared with prior art, have simple in structure, easy to use, with low cost, can when ambient light is dark, open illuminating lamp automatically, just often can close the advantage of illuminating lamp again automatically at ambient light.
Description of drawings
Accompanying drawing is the circuit diagram of a kind of embodiment of the utility model.
The specific embodiment
As shown in the figure, a kind of computer synchronizing lamp comprises computer USB socket, resistance, photo resistance, electric capacity, diode, triode, optocoupler, illuminating lamp and attaching plug.1 pin of described computer USB socket CZ is connected with the positive pole of diode D, the negative pole of diode D is connected with an end anodal and first resistance R 1 of capacitor C, the other end of first resistance R 1 is connected with an end of second resistance R 2 and the positive input terminal of optocoupler G, the negative input end of optocoupler G is connected with the colelctor electrode of triode BG, the other end of second resistance R 2 is connected with the end of photo resistance RL and the base stage of triode BG, and 4 pin of computer USB socket CZ are connected with the other end of the negative pole of capacitor C, photo resistance RL and the emitter stage of triode BG; The end of attaching plug CT is connected with the anode of the output of optocoupler G and controllable silicon K, and the other end of attaching plug CT is connected with the negative electrode of controllable silicon K by illuminating lamp L, and another output of optocoupler G is connected with the control utmost point of controllable silicon K.Described illuminating lamp L is incandescent lamp, fluorescent lamp or LED lamp.
When using the utility model, computer USB socket CZ is inserted the computer USB port, attaching plug CT is inserted power supply.When computer is opened, ambient light just often, the resistance of photo resistance RL is less, triode BG by, illuminating lamp L is not luminous.When ambient light is dark, 5V power supply in the computer USB port enters this device through 1,4 pin of computer USB socket CZ, because light is big than the resistance change of the quick resistance R L of half-light, and triode BG, optocoupler G conducting in succession, trigger controllable silicon K conducting, illuminating lamp L is luminous.As closing computer this moment, the 5V power supply in the computer USB port disappears, and this device can not get triggering signal and makes triode BG and optocoupler G by, controllable silicon K blocking-up, and illuminating lamp L stops luminous.
Claims (2)
1. computer synchronizing lamp, comprise the computer USB socket, resistance, photo resistance, electric capacity, diode, triode, optocoupler, illuminating lamp and attaching plug, it is characterized in that: 1 pin of described computer USB socket is connected with the positive pole of diode, the negative pole of diode is connected with an end anodal and first resistance of electric capacity, the other end of first resistance is connected with an end of second resistance and the positive input terminal of optocoupler, the negative input end of optocoupler is connected with the colelctor electrode of triode, the other end of second resistance is connected with an end of photo resistance and the base stage of triode, 4 pin of computer USB socket and the negative pole of electric capacity, the other end of photo resistance and the emitter stage of triode are connected; One end of attaching plug is connected with an output of optocoupler and silicon controlled anode, and the other end of attaching plug is connected with the silicon controlled negative electrode by illuminating lamp, and another output of optocoupler is connected with the silicon controlled control utmost point.
2. computer synchronizing lamp according to claim 1 is characterized in that: described illuminating lamp is incandescent lamp, fluorescent lamp or LED lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202821286U CN201582757U (en) | 2009-12-03 | 2009-12-03 | Computer synchronizing light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202821286U CN201582757U (en) | 2009-12-03 | 2009-12-03 | Computer synchronizing light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201582757U true CN201582757U (en) | 2010-09-15 |
Family
ID=42724758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202821286U Expired - Fee Related CN201582757U (en) | 2009-12-03 | 2009-12-03 | Computer synchronizing light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201582757U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104900743A (en) * | 2014-03-07 | 2015-09-09 | 南京化工职业技术学院 | Photosensitive resistor |
| CN105156937A (en) * | 2015-09-30 | 2015-12-16 | 苏州汉克山姆照明科技有限公司 | Eye-protecting lamp applied to computers |
| CN105576069A (en) * | 2014-11-05 | 2016-05-11 | 南京化工职业技术学院 | Controllable photosensitive resistor |
-
2009
- 2009-12-03 CN CN2009202821286U patent/CN201582757U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104900743A (en) * | 2014-03-07 | 2015-09-09 | 南京化工职业技术学院 | Photosensitive resistor |
| CN105576069A (en) * | 2014-11-05 | 2016-05-11 | 南京化工职业技术学院 | Controllable photosensitive resistor |
| CN105156937A (en) * | 2015-09-30 | 2015-12-16 | 苏州汉克山姆照明科技有限公司 | Eye-protecting lamp applied to computers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20101203 |