CN201267050Y - Electronic light regulator - Google Patents
Electronic light regulator Download PDFInfo
- Publication number
- CN201267050Y CN201267050Y CNU2008201605980U CN200820160598U CN201267050Y CN 201267050 Y CN201267050 Y CN 201267050Y CN U2008201605980 U CNU2008201605980 U CN U2008201605980U CN 200820160598 U CN200820160598 U CN 200820160598U CN 201267050 Y CN201267050 Y CN 201267050Y
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Abstract
The utility model provides an electronic dimmer, comprising a faceplate and a back cover plate. The back cover plate is provided with a circuit board and wiring terminals. A control circuit is arranged on a circuit board; the control circuit comprises a manual dimming unit, an optocoupler isolation unit, a single chip microprocessor (SCM) impulse generation control unit, an operational amplifier drive unit, a field effect transistor load current control unit connected with an external load, a zero-crossing detection unit, a load short-circuit protection unit, a direct current (DC) stabilizing power-supply unit and a wire remote-control unit. The SCM impulse control unit is respectively connected with the manual dimming unit, the optocoupler isolation unit, the zero-crossing detection unit, the load short-circuit protection unit and the DC stabilizing power-supply unit. The electronic dimmer of the utility model has simple structure, convenient use process and low manufacturing cost. The light dimming and memory function can be adjusted through a manual mode so as to avoid the strong impact of the brightness mutation on the vision at the moment of starting the lamp and prolong the service life of lamps.
Description
Technical field
The utility model relates to a kind of electronic light modulator, particularly a kind of comprise panel and be arranged on be with flexible button and sensitive switch under the panel, be arranged with the electronic light modulator of circuit board and binding post in the support of back shroud.
Background technology
Traditional machinery and electronic switch, when switch lamp, just carry out simple break-make control, lamp current suddenlyd change to maximum in the short time when turning on light, cause the ambient brightness sudden change that people's vision is produced strong impact, this phenomenon is turned on light particularly outstanding at night, and this pattern of turning on light also is the main cause that causes the load bulb to damage.Because the physical characteristic of incandescent lamp be cold-state resistance much smaller than hot resistance, the transient flow of turning on light is crossed the very big bulb that causes of bulb electric current and is damaged.Simultaneously, this mode by sheet metal or transformer output adjustment voltage not only causes switch sparking, arcing, and the metal joint long-term work is aging easily, poor contact of contacts, and dimmer switch is not long useful life, damages easily etc.The electronic switch of present family expenses and the break-make that light adjusting system all is to use the SCR control bulb.When its load is capacitive loads such as electricity-saving lamp, because the required conducting of controllable silicon is kept electric current and can't be provided in the cycle at whole civil power in capacitive load, load is near the current drawn principal voltage peak value only, cause light flash easily, problem such as out of control, thereby can't be with thyristor to electricity-saving lamp, the electronic ballast fluorescent lamp, capacitive load is controlled and light modulation.In addition, the output of domestic electronic switch and light adjusting system at present can not short circuit, in case short circuit can cause whole power supply circuits fault and personal safety.
The utility model content
Goal of the invention: technical problem to be solved in the utility model is in order to overcome existing domestic appliance and electronic switch; when turning on light visual impact is reached the rapid wear light fixture greatly; and can not control and light modulation electricity-saving lamp; the defective of non-loaded short-circuit protection function; providing a kind of is control centre with the single-chip microcomputer, and light fixtures such as incandescent lamp, electronic ballast fluorescent lamp are carried out that light modulation gets brighter or gradually dark and can remember and have the electronic light modulator of short-circuit protection function.
Technical scheme: the utility model provides a kind of electronic light modulator; comprise panel and back shroud; back shroud is provided with circuit board and binding post; circuit board is provided with control circuit, and described control circuit comprises manual light modulation unit, light-coupled isolation unit, single-chip microcomputer pulse generation control unit, amplifier driver element, the field effect transistor load current control unit, zero passage detection unit, load short circuits protected location, D.C. regulated power supply unit and the wired remote control unit that are connected with external loading.
Described single-chip microcomputer pulse generation control unit is connected with manual light modulation unit, light-coupled isolation unit, zero passage detection unit, load short circuits protected location and D.C. regulated power supply unit respectively.
Described field effect transistor load current control unit also respectively with amplifier driver element and zero passage detection unit.
Described light-coupled isolation unit also is connected with the wired remote control unit;
Described D.C. regulated power supply unit is respectively single-chip microcomputer pulse generation control unit, amplifier driver element, zero passage detection unit and the power supply of load short circuits protected location.
In the utility model, preferably, described single-chip microcomputer pulse generation control unit adopts the PIC12C509A single-chip microcomputer.This single-chip microcomputer adopts reduced instruction set computer.Inside solidification the development software, the instruction of the generation of control impuls is wherein arranged, and operate generation according to manual light modulation and instruct the output pulse duty factor that makes single-chip microcomputer to change, thereby change the size of current of passing through first, second field effect transistor, reach the adjustment lamp brightness.The program of dimmer also has the automatic memory function after each light modulation simultaneously, and load short circuits is judged defencive function, zero passage detection function.
In the utility model, preferably, second field effect transistor that first field effect transistor that described field effect transistor load current control unit comprises polyphone and source electrode are connected with load; The source electrode of first field effect transistor is connected with the drain electrode of second field effect transistor.Adopt the light modulation of field effect transistor control load, in the time of can overcoming load and be capacitive, cause light flash, problem such as out of control, not only can be used for incandescent lamp, but also can be used for the light modulation of electricity-saving lamp, electronic ballast fluorescent lamp.
In the utility model, preferably, described load short circuits protected location comprises first transistor, second transistor, first resistance, second resistance, the 3rd resistance, the 4th resistance and first electric capacity; Wherein the base stage of first transistor is connected with first resistance, second resistance, the base stage of second transistor is connected with the 3rd resistance, the 4th resistance, one end of second resistance connects the drain electrode of first field effect transistor, and an end of the 4th resistance connects the drain electrode of second field effect transistor; Be connected with described single-chip microcomputer pulse generation control unit after the collector electrode parallel connection of first transistor, second transistor, the base stage of first transistor, second transistor obtains signal from the drain electrode utmost point of first field effect transistor and second field effect transistor.When load short circuits; the drain signal of second field effect transistor is zero; this moment first transistor, second transistor collector electrode utmost point umber of pulse half of umber of pulse when being original not short circuit; program command starts the short-circuit protection program; make single-chip microcomputer output zero level, thereby make the grid of field effect transistor also be zero level, first field effect transistor and second field effect transistor are ended; the load no current passes through, thereby plays load short circuit protection function.
In the utility model, preferably, manually the light modulation unit comprises being arranged on and is with flexible button and sensitive switch panel under, by sensitive switch triggering single-chip microcomputer pulse generation control unit.
In the utility model, step-down and rectification become direct current behind the described wired remote control of the 220V alternating current process unit, remove to trigger single-chip microcomputer pulse generation control unit through the light-coupled isolation unit again and carry out light modulation.
Beneficial effect: electronic light modulator described in the utility model is simple in structure, and is easy to use, with low cost.Getting brighter by manual adjustment light gradually secretly reaches memory function, avoids that jump in brightness prolongs lamp life to the intense impact of vision when turning on light.The utility model also has short-circuit protection function, with protection against electric shock, when the careless short circuit of load, does not damage dimmer, as long as unshorting, dimmer continues to use, and has overcome the defective that at present general electronic switch and dimmer switch exist, and has improved safety utilization of electric power.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is done further and to be specified.
Be illustrated as electrical principles block diagram of the present utility model.
Embodiment
As shown in the figure, the utility model comprises a kind of electronic light modulator, comprise the box body that panel and back shroud are formed, the support of the inherent back shroud of box body is arranged with circuit board and binding post, circuit board is provided with control circuit, and described control circuit comprises manual light modulation unit 1, light-coupled isolation unit 2, single-chip microcomputer pulse generation control unit 3, amplifier driver element 4, the field effect transistor load current control unit 5, zero passage detection unit 7, load short circuits protected location 8, D.C. regulated power supply unit 9 and the wired remote control unit 10 that are connected with external loading 6; Described single-chip microcomputer pulse generation control unit 3 is connected with manual light modulation unit 1, light-coupled isolation unit 2, zero passage detection unit 7, load short circuits protected location 8 and D.C. regulated power supply unit 9 respectively; Described field effect transistor load current control unit 5 also respectively with amplifier driver element 4 and zero passage detection unit 7; Described light-coupled isolation unit 2 also is connected with wired remote control unit 10; Described D.C. regulated power supply unit 9 is respectively single-chip microcomputer pulse generation control unit 3 confession+5V voltages, is amplifier driver element 4, zero passage detection unit 7 and load short circuits protected location 8 confession+15V voltages.Wherein, wired remote control unit 10 also is connected with power supply L end; The 220V alternating current becomes direct current through 10 back step-downs of described wired remote control unit and rectification, removes to trigger single-chip microcomputer pulse generation control unit 3 through light-coupled isolation unit 2 again, starts dimmer procedure and reaches light modulation, thereby reach identical with the function of manually light modulation.Power supply L end also is connected with field effect transistor load current control unit 5, zero passage detection unit 7 and load short circuits protected location 8.D.C. regulated power supply unit 9 also is connected with power supply N end, and power supply N end also is connected with load 6.
In the utility model, described single-chip microcomputer pulse generation control unit 3 adopts the PIC12C509A single-chip microcomputer.
In the utility model, second field effect transistor that first field effect transistor that described field effect transistor load current control unit 5 comprises polyphone and source electrode are connected with load 6; The source electrode of first field effect transistor is connected with the drain electrode of second field effect transistor.
In the utility model, described load short circuits protected location 8 comprises first transistor, second transistor, first resistance, second resistance, the 3rd resistance, the 4th resistance and first electric capacity; Wherein the base stage of first transistor is connected with first resistance, second resistance, the base stage of second transistor is connected with the 3rd resistance, the 4th resistance, one end of second resistance connects the drain electrode of first field effect transistor, and an end of the 4th resistance connects the drain electrode of second field effect transistor; Be connected with described single-chip microcomputer pulse generation control unit 3 after the collector electrode parallel connection of first transistor, second transistor, the base stage of first transistor, second transistor obtains signal from the drain electrode utmost point of first field effect transistor and second field effect transistor.
Relevant light-coupled isolation unit 2, amplifier driver element 4, zero passage detection unit 7, D.C. regulated power supply unit 9 and wired remote control unit 10 all can pass through existing techniques in realizing in the utility model.
In the utility model manually light modulation unit 1 comprise being arranged on and be with flexible button and sensitive switch panel under, by sensitive switch triggering single-chip microcomputer pulse generation control unit 3.
The utility model provides a kind of thinking and method of electronic light modulator; the method and the approach of this technical scheme of specific implementation are a lot; the above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.The all available prior art of each component part not clear and definite in the present embodiment is realized.
Claims (6)
1, a kind of electronic light modulator, comprise panel and back shroud, back shroud is provided with circuit board and binding post, circuit board is provided with control circuit, it is characterized in that described control circuit comprises manual light modulation unit (1), light-coupled isolation unit (2), single-chip microcomputer pulse generation control unit (3), amplifier driver element (4), the field effect transistor load current control unit (5) that is connected with external loading (6), zero passage detection unit (7), load short circuits protected location (8), D.C. regulated power supply unit (9) and wired remote control unit (10);
Described single-chip microcomputer pulse generation control unit (3) is connected with manual light modulation unit (1), light-coupled isolation unit (2), zero passage detection unit (7), load short circuits protected location (8) and D.C. regulated power supply unit (9) respectively;
Described field effect transistor load current control unit (5) also respectively with amplifier driver element (4) and zero passage detection unit (7);
Described light-coupled isolation unit (2) also is connected with wired remote control unit (10);
Described D.C. regulated power supply unit (9) is respectively single-chip microcomputer pulse generation control unit (3), amplifier driver element (4), zero passage detection unit (7) and load short circuits protected location (8) power supply.
2, electronic light modulator according to claim 1 is characterized in that, described single-chip microcomputer pulse generation control unit (3) adopts the PIC12C509A single-chip microcomputer.
3, electronic light modulator according to claim 1 is characterized in that, second field effect transistor that first field effect transistor that described field effect transistor load current control unit (5) comprises polyphone and source electrode are connected with load (6); The source electrode of first field effect transistor is connected with the drain electrode of second field effect transistor.
4, electronic light modulator according to claim 3 is characterized in that, described load short circuits protected location (8) comprises first transistor, second transistor, first resistance, second resistance, the 3rd resistance, the 4th resistance and first electric capacity; Wherein the base stage of first transistor is connected with first resistance, second resistance, the base stage of second transistor is connected with the 3rd resistance, the 4th resistance, one end of second resistance connects the drain electrode of first field effect transistor, and an end of the 4th resistance connects the drain electrode of second field effect transistor; Be connected with described single-chip microcomputer pulse generation control unit (3) after the collector electrode parallel connection of first transistor, second transistor, the base stage of first transistor, second transistor obtains signal from the drain electrode utmost point of first field effect transistor and second field effect transistor.
5, electronic light modulator according to claim 1 is characterized in that, manually light modulation unit (1) comprises being arranged on and is with flexible button and sensitive switch panel under, by sensitive switch triggering single-chip microcomputer pulse generation control unit (3).
6, electronic light modulator according to claim 1, it is characterized in that, the 220V alternating current becomes direct current through described wired remote control unit (10) back step-down and rectification, passes through light-coupled isolation unit (2) again and removes to trigger single-chip microcomputer pulse generation control unit (3) and carry out light modulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201605980U CN201267050Y (en) | 2008-10-09 | 2008-10-09 | Electronic light regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201605980U CN201267050Y (en) | 2008-10-09 | 2008-10-09 | Electronic light regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201267050Y true CN201267050Y (en) | 2009-07-01 |
Family
ID=40833421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201605980U Expired - Fee Related CN201267050Y (en) | 2008-10-09 | 2008-10-09 | Electronic light regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201267050Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012000159A1 (en) * | 2010-06-28 | 2012-01-05 | 宁波江北博泰电子科技有限公司 | Light regulatable led illumination lamp |
| CN103561531A (en) * | 2013-11-22 | 2014-02-05 | 上海宏源照明电器有限公司 | Electrodeless lamp ballast |
-
2008
- 2008-10-09 CN CNU2008201605980U patent/CN201267050Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012000159A1 (en) * | 2010-06-28 | 2012-01-05 | 宁波江北博泰电子科技有限公司 | Light regulatable led illumination lamp |
| CN103561531A (en) * | 2013-11-22 | 2014-02-05 | 上海宏源照明电器有限公司 | Electrodeless lamp ballast |
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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: 20090701 Termination date: 20101009 |