CN102938956A - Automatic regulation three-level luminance imitation screen light control device - Google Patents
Automatic regulation three-level luminance imitation screen light control device Download PDFInfo
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- CN102938956A CN102938956A CN2012104364756A CN201210436475A CN102938956A CN 102938956 A CN102938956 A CN 102938956A CN 2012104364756 A CN2012104364756 A CN 2012104364756A CN 201210436475 A CN201210436475 A CN 201210436475A CN 102938956 A CN102938956 A CN 102938956A
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- imitation screen
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Abstract
The invention relates to an automatic regulation three-level luminance imitation screen light control device and belongs to the technical field of imitation screen light control. The technical scheme includes that the device comprises a splice terminal (11) which is installed in a lamp housing of an imitation screen, a single-chip microcomputer (22), a relay, a diode, a current-limiting resistor and a lamp holder (33), wherein the splice terminal is connected with an input end of the single-chip microcomputer, the single-chip microcomputer is in output connection with the relay, the relay short-circuits a connecting lamp holder of the diode, the single-chip microcomputer controls the relay to suck or snap, the splice terminal outputs a signal to the single-chip microcomputer, the single-chip microcomputer processes the input information, the single-chip microcomputer controls the relay to suck or snap, and the voltage of the lamp holder is changed, so that the luminance of the lamp holder is changed. According to the device, the luminance of the lamp holder is controlled by a single-chip microcomputer program, a three-level luminance display function is achieved, on one hand, the luminance can be set according to the requirement of a user, and on the other hand, an optical attenuation phenomenon of a lamp holder is delayed, so that the service life is prolonged substantially and improved effectively.
Description
Technical field
The present invention relates to the imitation screen Light Control Unit of three grades of luminosity of a kind of automatic adjusting, be specially adapted to the control of various Stimulated control screen luminosity, belong to imitation screen lighting control technology field.
Background technology
Imitation screen is the automation equipment of the indispensability of dispatching patcher, needs the field of dispatch control to be widely used in electric power system and other.The imitation screen light of background technology, its show state have represented the electric power system switchgear actually closes, minute operation state.Imitation screen light display brightness can not be adjusted, and all the time with the switchgear state consistency, imitation screen light is in normal bright state.The background technology Main Problems is: traditional imitation screen light does not possess according to user's request procedure auto-control, the function of regulating the luminosity of imitation screen light; Imitation screen light adopts the LED lamp holder mostly on the other hand, and there is the light decay phenomenon in long-time highlighted work, and significantly shorten useful life.Can't Effective Raise useful life.
Summary of the invention
The purpose of this invention is to provide the imitation screen Light Control Unit of three grades of luminosity of a kind of automatic adjusting, have according to user's request, procedure auto-control, the function of regulating the luminosity of imitation screen light.Be applicable to various imitation screens field of employment, solve the problems referred to above that background technology exists.
Technical scheme of the present invention is: the imitation screen Light Control Unit of three grades of luminosity of a kind of automatic adjusting, comprise the inserting terminal that is installed in the imitation screen lamp housing, single-chip microcomputer, relay, diode, current-limiting resistance and lamp holder, inserting terminal connects the single-chip microcomputer input, single-chip microcomputer output connects relay, relay short circuit diode connects lamp holder, by the adhesive of Single-chip Controlling relay, disconnect, inserting terminal outputs signal to single-chip microcomputer, by single-chip microcomputer input message is processed, the adhesive of Single-chip Controlling relay, disconnect, lamp holder voltage is changed, thereby change the luminosity of lamp holder; Described single-chip microcomputer is processed input message, and the output control signal is to relay, and relay adhesive, disconnection make the lamp holder operating voltage that three kinds of variations be arranged, and make imitation screen light have three grades of brightness Presentation Functions.
Described relay is two, two relays and two silicon rectifier diodes are arranged in parallel, have three kinds of states: two relays simultaneously closed, open simultaneously, closure another open, three kinds of states adjust three kinds of different output voltages, realize that three grades of lamp holder operating voltages are adjustable, realize automatically regulating the function of luminosity.
The present invention also is provided with 7805 voltage stabilizing circuits.
Good effect of the present invention: because the luminosity of lamp holder is to be controlled by Single Chip Microcomputer (SCM) program, realize three grades of brightness Presentation Functions, can set luminosity according to user's request, on the other hand, delay the light decay phenomenon of lamp holder, significantly prolong useful life, Effective Raise useful life is the imitation screen light of three grades of luminosity of a kind of automatic adjusting.
Description of drawings
Fig. 1 is the structure chart of the embodiment of the invention;
Among the figure: inserting terminal 11, single-chip microcomputer 22, lamp holder 33, relay J 1 and J2, silicon rectifier diode D1 and D2.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described by embodiment.
The imitation screen Light Control Unit of three grades of luminosity of a kind of automatic adjusting, comprise the inserting terminal 11 that is installed in the imitation screen lamp housing, single-chip microcomputer 22, relay, diode, current-limiting resistance and lamp holder 33, inserting terminal connects the single-chip microcomputer input, single-chip microcomputer output connects relay, relay short circuit diode connects lamp holder, by the adhesive of Single-chip Controlling relay, disconnect, inserting terminal outputs signal to single-chip microcomputer, by single-chip microcomputer input message is processed, the adhesive of Single-chip Controlling relay, disconnect, lamp holder voltage is changed, thereby change the luminosity of lamp holder; Described single-chip microcomputer is processed input message, and the output control signal is to relay, and relay adhesive, disconnection make the lamp holder operating voltage that three kinds of variations be arranged, and make imitation screen light have three grades of brightness Presentation Functions.
Described relay is two, two relay J 1, J2, be arranged in parallel with two silicon rectifier diode D1, D2, have three kinds of states: two relays simultaneously closed, open simultaneously, closure another open, three kinds of states adjust three kinds of different output voltages, realize that three grades of lamp holder operating voltages are adjustable, realize automatically regulating the function of luminosity.The present invention also is provided with 7805 voltage stabilizing circuits.
Execution mode more specifically: with reference to accompanying drawing, inserting terminal provides working power and signal output, and+12V connects 7805-1 pin and silicon rectifier diode D1 positive input, and the 7805-3 pin connects single-chip microcomputer VCC end, relay J 1, J2 coil positive input terminal; GND connection single-chip microcomputer GND end and 7805-2 pin, current-limiting resistance R negative terminal.
Relay J 1 normal opened contact silicon rectifier diode D1 in parallel, j2 relay normally open contact silicon rectifier diode D2 in parallel; Silicon rectifier diode D1, the series connection of silicon rectifier diode D2 forward connect lamp holder; Lamp holder connects current-limiting resistance R and connects GND.
The output of inserting terminal XH signal connects single-chip microcomputer RXD end; Single-chip microcomputer P1.2 connects relay J 1 coil negative input end, and single-chip microcomputer P1.3 connects relay J 2 coil negative input ends.7805 general+12V conversion+5V provide the working power of single-chip microcomputer and relay.
Inserting terminal outputs signal to single-chip microcomputer, by single-chip microcomputer input message is processed, and the output control signal is to relay J 1, relay J 2.By control relay J1, relay J 2 adhesives, disconnection, be that lamp holder has three kinds of different operating voltages.Selecting the pressure drop of silicon rectifier diode D1, D2 joint is 0.7V.
1, relay J 1 adhesive, relay J 2 adhesives ,+12V power supply directly connects lamp holder, and the lamp holder operating voltage is the highest, and luminosity is the highest;
2, relay J 1 adhesive, relay J 2 disconnect or J1 disconnects, the J2 adhesive, and+12V power supply connects lamp holder through silicon rectifier diode D2 or silicon rectifier diode D1, and the lamp holder operating voltage subtracts 0.7V, and luminosity is medium;
3, relay J 1 disconnection, relay J 2 disconnect, and+12V power supply connects lamp holder through silicon rectifier diode D1 or silicon rectifier diode D2, and the lamp holder operating voltage subtracts 1.4V, and luminosity is minimum.
In sum, by adhesive and the disconnection of control relay J1, relay J 2, the operating voltage that can regulate lamp holder, thus the luminosity of change lamp holder makes imitation screen light have three grades of brightness Presentation Functions.
Claims (4)
1. imitation screen Light Control Unit of automatically regulating three grades of luminosity, it is characterized in that: comprise the inserting terminal (11) that is installed in the imitation screen lamp housing, single-chip microcomputer (22), relay, diode, current-limiting resistance and lamp holder (33), inserting terminal connects the single-chip microcomputer input, single-chip microcomputer output connects relay, relay short circuit diode connects lamp holder, by the adhesive of Single-chip Controlling relay, disconnect, inserting terminal outputs signal to single-chip microcomputer, by single-chip microcomputer input message is processed, the adhesive of Single-chip Controlling relay, disconnect, lamp holder voltage is changed, thereby change the luminosity of lamp holder; Described single-chip microcomputer is processed input message, and the output control signal is to relay, and relay adhesive, disconnection make the lamp holder operating voltage that three kinds of variations be arranged, and make imitation screen light have three grades of brightness Presentation Functions.
2. the imitation screen Light Control Unit of described three grades of luminosity of a kind of automatic adjusting according to claim 1, it is characterized in that described relay is two, two relay J 1, J2, be arranged in parallel with two silicon rectifier diode D1, D2, have three kinds of states: two relays simultaneously closed, open simultaneously, closure another open, three kinds of states adjust three kinds of different output voltages, realize that three grades of lamp holder operating voltages are adjustable, realize automatically regulating the function of luminosity.
3. the imitation screen Light Control Unit of described three grades of luminosity of a kind of automatic adjusting according to claim 2 is characterized in that relay J 1 normal opened contact silicon rectifier diode D1 in parallel, j2 relay normally open contact silicon rectifier diode D2 in parallel; Silicon rectifier diode D1, the series connection of silicon rectifier diode D2 forward connect lamp holder.
4. according to claim 3 or the imitation screen Light Control Unit of 2 described three grades of luminosity of a kind of automatic adjusting, it is characterized in that: relay J 1 adhesive, relay J 2 adhesives, + 12V power supply directly connects lamp holder, and the lamp holder operating voltage is the highest, and luminosity is the highest; Relay J 1 adhesive, relay J 2 disconnect or J1 disconnects, the J2 adhesive, and+12V power supply connects lamp holder through silicon rectifier diode D2 or silicon rectifier diode D1, and the lamp holder operating voltage subtracts 0.7V, and luminosity is medium; Relay J 1 disconnects, relay J 2 disconnects, and+12V power supply connects lamp holder through silicon rectifier diode D1 or silicon rectifier diode D2, and the lamp holder operating voltage subtracts 1.4V, and luminosity is minimum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104364756A CN102938956A (en) | 2012-11-06 | 2012-11-06 | Automatic regulation three-level luminance imitation screen light control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104364756A CN102938956A (en) | 2012-11-06 | 2012-11-06 | Automatic regulation three-level luminance imitation screen light control device |
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| Publication Number | Publication Date |
|---|---|
| CN102938956A true CN102938956A (en) | 2013-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012104364756A Pending CN102938956A (en) | 2012-11-06 | 2012-11-06 | Automatic regulation three-level luminance imitation screen light control device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102291902A (en) * | 2011-10-09 | 2011-12-21 | 黄淮学院 | Universal illumination regulation controller |
| CN102522907A (en) * | 2011-11-25 | 2012-06-27 | 保定天威集团有限公司 | Imitation screen power supply with adjustable three-level |
| CN202889739U (en) * | 2012-11-06 | 2013-04-17 | 保定天威集团有限公司 | Imitation screen light control device capable of automatically adjusting three-stage light-emitting brightness |
-
2012
- 2012-11-06 CN CN2012104364756A patent/CN102938956A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102291902A (en) * | 2011-10-09 | 2011-12-21 | 黄淮学院 | Universal illumination regulation controller |
| CN102522907A (en) * | 2011-11-25 | 2012-06-27 | 保定天威集团有限公司 | Imitation screen power supply with adjustable three-level |
| CN202889739U (en) * | 2012-11-06 | 2013-04-17 | 保定天威集团有限公司 | Imitation screen light control device capable of automatically adjusting three-stage light-emitting brightness |
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Application publication date: 20130220 |