CN201504356U - Dimming controller of fluorescent lamp - Google Patents
Dimming controller of fluorescent lamp Download PDFInfo
- Publication number
- CN201504356U CN201504356U CN200920138359XU CN200920138359U CN201504356U CN 201504356 U CN201504356 U CN 201504356U CN 200920138359X U CN200920138359X U CN 200920138359XU CN 200920138359 U CN200920138359 U CN 200920138359U CN 201504356 U CN201504356 U CN 201504356U
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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
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- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
Abstract
The utility model discloses a dimming controller of a fluorescent lamp, comprising a filter, a rectifier, a pulse voltage signal sampling and controlling circuit, a direct-current voltage stabilizing circuit, a voltage signal detecting and controlling circuit and a lamp current feedback circuit. The pulse voltage signal sampling and controlling circuit mainly uses an integrated circuit U1 to detect and identify a pulse signal generated by switching-on and switching-off of a general switch so as to output a certain dimmable signal. The dimming controller can change the power and the brightness of the lamp circularly according to the switching-on and switching-off of a power supply switch and change the general dimming mode of using a silicon-controlled dimming desk, thus leading a client to be capable of using a dimming lamp to dim the light to save energy more conveniently, having no need of additionally adding a dimmer and having stable performance, simultaneously solving the problems that the continuous dimming performance is not stable and the dimmer is constantly used for dimming the light and the like, and being especially suitable for being applied in an integrated compact type fluorescent lamp.
Description
Technical field
The utility model relates to a kind of light fixture, particularly relates to a kind of light adjusting controller of fluorescent lamp.
Background technology
The client regulates the brightness of light fixture as required for convenience, and the dealer has set up light adjusting controller on lamp switch, be used to regulate the brightness of light.Existing light adjusting controller mostly only can carry out light modulation, and can not change the power and the luminosity of lamp simultaneously, and has the continuous light tuning unstable properties, the fixing problem such as light modulation of carrying out with dimmer.
The utility model content
The purpose of this utility model is to provide the light adjusting controller of the fluorescent lamp of a kind of power easy to use, varying cyclically lamp simultaneously and luminosity.
For achieving the above object, technical solution of the present utility model is:
The utility model is a kind of light adjusting controller of fluorescent lamp, and it comprises filter, rectifier, pulse voltage signal sampling and control circuit, direct voltage voltage stabilizing circuit, voltage signal detection and control circuit, lamp current feedback circuit; The output of described filter and rectifier is connected the input of pulse voltage signal sampling and control circuit, and alternating voltage is converted to direct voltage; The input of described direct voltage voltage stabilizing circuit connects the output of pulse voltage signal sampling and control circuit, integrated circuit U1 output voltage is handled in pulse voltage signal sampling and the control circuit, the output of direct voltage voltage stabilizing circuit connects the input of voltage signal detection and control circuit, voltage signal detects and the output of control circuit connects lamp current feedback circuit and tube load, and the integrated circuit U2 in voltage signal detection and the control circuit changes output signal frequency according to the voltage signal of importing and this signal frequency is applied on the tube load.
Described pulse voltage signal sampling and control circuit comprise voltage signal sampling circuit importation and integrated circuit U1; The input of voltage signal sampling circuit importation is connected the output of rectifier, and its output then is connected on the integrated circuit U1.
After adopting such scheme, the utility model comprises filter, rectifier, pulse voltage signal sampling and control circuit, direct voltage voltage stabilizing circuit, voltage signal detection and control circuit, lamp current feedback circuit.Pulse voltage signal sampling of the present utility model and control circuit mainly detect the pulse signal that identification regular tap one open-one close produces with integrated circuit circuit U 1, thereby export a certain tunable optical signal.Because the utility model can be according to the shutoff of mains switch and the power and the luminosity of varying cyclically lamp, change the general dimming mode that uses the controllable silicon light modulation platform, make the client carry out dimming energy-saving by more convenient use desk lamp with dimmer switch, need not add dimmer and stable performance in addition, solved the continuous light tuning unstable properties simultaneously, the fixing problem such as light modulation of carrying out with dimmer is particularly suitable for being applied in incorporate compact fluorescent lamp.
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Description of drawings
Fig. 1 is a circuit block diagram of the present utility model;
Fig. 2 is a circuit diagram of the present utility model.
Embodiment
As shown in Figure 1 and Figure 2, the utility model is a kind of light adjusting controller of fluorescent lamp, and it comprises filter 1, rectifier 2, pulse voltage signal sampling and control circuit 3, direct voltage voltage stabilizing circuit 4, voltage signal detection and control circuit 5, lamp current feedback circuit 6, tube load 7.
The output of described filter 1 and rectifier 2 is connected the input of pulse voltage signal sampling and control circuit 3, and alternating voltage is converted to direct voltage; The input of described direct voltage voltage stabilizing circuit 4 connects the output of pulse voltage signal sampling and control circuit 3, integrated circuit U1 output voltage is handled in pulse voltage signal sampling and the control circuit 3, the output of direct voltage voltage stabilizing circuit 4 connects the input of voltage signal detection and control circuit 5, voltage signal detects and the output of control circuit 5 connects lamp current feedback circuit 6 and tube load 7, and the integrated circuit U2 in voltage signal detection and the control circuit 5 changes output signal frequency according to the voltage signal of importing and this signal frequency is applied on the tube load 7.
Described pulse voltage signal sampling and control circuit 3 comprise voltage signal sampling circuit importation and integrated circuit U1; The input of voltage signal sampling circuit importation is connected the output of rectifier, and its output then is connected on the integrated circuit U1.
As shown in Figure 2, the structure of each circuit module of the utility model and operation principle:
Described filter circuit 1 and rectifier 2 are made of a LC filter circuit, and it is connected with city's AC power with filtering High-frequency Interference composition wherein, and the alternating voltage of input is converted to direct voltage.
Described pulse voltage signal sampling and control circuit 3, the interval pulse that the one open-one close of regular tap is produced is as a voltage signal, detect pin U1-5 so that offer the pulse voltage of integrated circuit U1, after integrated circuit U1 detects pulse voltage, export a fixed level by the routine processes of inherence, carry out the light modulation input so that offer next integrated circuit U2.Described pulse voltage signal sampling and control circuit 3 can comprise voltage signal sampling circuit importation: R3, R4, C3, D6, R9, and as shown in the figure, its input is connected the output of rectifier, and its output then is connected on the integrated circuit U1.The voltage of rectification passes through to give the charging of C3 electric capacity after resistance R 3, the R4 step-down, and is input on the integrated circuit U1 by the D6 voltage stabilizing, and integrated circuit U1 just can sample the voltage sampling signal of a voltage stabilizing like this.After integrated circuit U1 detected, inner fixed routine will be in integrated circuit U1 output one by the specific voltage of internal processes.
Described dc voltage stability circuit 4, comprise resistance R 12, R13, R14, capacitor C 12, C13, will be by the voltage of integrated circuit U1 output through R12, C12, C13 handle, again after R13, R14 step-down so that the dimmer voltage signal that requires in integrated circuit U2 sample detecting to.
Described voltage signal detects and 5 of control circuits comprise a controllable frequency and produce the integrated circuit U2 and the attached peripheral circuit of being made up of by the connection request of integrated circuit corresponding resistor, electric capacity, diode, voltage stabilizing didoe thereof of high frequency.This integrated circuit has a voltage signal to detect pin DIM, its output with dc voltage stability circuit 4 is connected, after integrated circuit U2 detects a dim signal, just change output signal frequency according to the voltage signal of importing accordingly, signal frequency makes the stable work of tube load 7 after LC vibration, promptly can change the operating frequency and the brightness of illumination of tube load 7, thereby realize the light modulation purpose.
Described lamp current signal feedback circuit 6 comprises that capacitor C 16, resistance R 16, R20 form.
The cooperation of above-described pulse voltage signal sampling and control circuit 3 and voltage signal detection and control circuit 5, can utilize the interval pulse of regular tap to produce a control signal, the dim signal that the quadravalence section is arranged in the integrated circuit, each cut-offfing can produce different dim signals, the quadravalence section turns back to the phase I after finishing a circulation, and the circulation of light modulation process constantly.
Emphasis of the present utility model just is: utilize pulse detection and lamp current feedback to carry out FREQUENCY CONTROL.
The above, it only is the utility model preferred embodiment, so can not limit the scope that the utility model is implemented with this, i.e. the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.
Claims (2)
1. the light adjusting controller of a fluorescent lamp, it is characterized in that: it comprises filter, rectifier, pulse voltage signal sampling and control circuit, direct voltage voltage stabilizing circuit, voltage signal detection and control circuit, lamp current feedback circuit; The output of described filter and rectifier is connected the input of pulse voltage signal sampling and control circuit, and alternating voltage is converted to direct voltage; The input of described direct voltage voltage stabilizing circuit connects the output of pulse voltage signal sampling and control circuit, integrated circuit U1 output voltage is handled in pulse voltage signal sampling and the control circuit, the output of direct voltage voltage stabilizing circuit connects the input of voltage signal detection and control circuit, voltage signal detects and the output of control circuit connects lamp current feedback circuit and tube load, and the integrated circuit U2 in voltage signal detection and the control circuit changes output signal frequency according to the voltage signal of importing and this signal frequency is applied on the tube load.
2. the light adjusting controller of fluorescent lamp according to claim 1 is characterized in that: described pulse voltage signal sampling and control circuit comprise voltage signal sampling circuit importation and integrated circuit U1; The input of voltage signal sampling circuit importation is connected the output of rectifier, and its output then is connected on the integrated circuit U1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920138359XU CN201504356U (en) | 2009-05-13 | 2009-05-13 | Dimming controller of fluorescent lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920138359XU CN201504356U (en) | 2009-05-13 | 2009-05-13 | Dimming controller of fluorescent lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201504356U true CN201504356U (en) | 2010-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920138359XU Expired - Fee Related CN201504356U (en) | 2009-05-13 | 2009-05-13 | Dimming controller of fluorescent lamp |
Country Status (1)
| Country | Link |
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| CN (1) | CN201504356U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101959348A (en) * | 2010-09-30 | 2011-01-26 | 海洋王照明科技股份有限公司 | LED stepless dimming drive circuit and LED lamp |
-
2009
- 2009-05-13 CN CN200920138359XU patent/CN201504356U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101959348A (en) * | 2010-09-30 | 2011-01-26 | 海洋王照明科技股份有限公司 | LED stepless dimming drive circuit and LED lamp |
| CN101959348B (en) * | 2010-09-30 | 2013-11-06 | 海洋王照明科技股份有限公司 | LED stepless dimming drive circuit and LED lamp |
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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: 20100609 Termination date: 20130513 |