CN219876191U - Switch switching application circuit capable of synchronously setting output power - Google Patents
Switch switching application circuit capable of synchronously setting output power Download PDFInfo
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- CN219876191U CN219876191U CN202321252456.8U CN202321252456U CN219876191U CN 219876191 U CN219876191 U CN 219876191U CN 202321252456 U CN202321252456 U CN 202321252456U CN 219876191 U CN219876191 U CN 219876191U
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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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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Abstract
The utility model discloses a switching application circuit capable of synchronously setting output power, which comprises an LED driving circuit, a switching circuit, a color temperature control circuit and a switching current setting circuit, wherein the LED driving circuit is respectively connected with the switching circuit and the switching current setting circuit, and the switching circuit is connected with the switching current setting circuit; the LED driving circuit is used for providing constant driving current for the lamp string; the switch switching circuit is used for circularly and alternately outputting the LED1 and the LED2 lamp strings; the color temperature control circuit is used for adjusting the size of the resistor to perform electrodeless color mixing of the color temperature; the switch current setting circuit is used for switching the output lamp string and the corresponding output power, and through the implementation of the utility model, the output lamp string and the corresponding output power can be switched at the same time, so that the synchronous adjustment of different lamplights and currents is realized, and a plurality of different LED driving and light sources are not needed, thereby having certain use value and popularization value.
Description
Technical Field
The utility model relates to the technical field of dimming illumination control, in particular to a switch switching application circuit capable of synchronously setting output power.
Background
The dimming lighting control refers to the adjustment of the brightness change of a light source, the light source is usually controlled through a wall switch, a switch realizing the control function is called switch dimming, the types of the dimming switches are various, and the dimming switches are generally divided into manual type and automatic type, simple dimming lighting control is commonly used for controlling independent or small-area lighting sources such as families, offices, workshops and the like, and a dimming system (a dimming table and a dimming cabinet) formed by multiple paths or multiple dimming switches is suitable for a studio, a stage, a singing hall, a lamplight playground and the like so as to manufacture emotion and set aside atmosphere.
The output current of the products on the market is single, the output light source is relatively single, if different currents and different lights are output when circuits are to be switched, a plurality of different LED driving and light sources are needed, the difficulty of distinguishing and managing the LED driving type products is increased, and the cost is relatively high.
In view of the foregoing, there is a need for a switching application circuit capable of synchronously setting output power to solve the drawbacks of the prior art.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a switch switching application circuit capable of synchronously setting output power, which aims to solve the problems that current and light source output are single and a plurality of different LED driving and light sources are needed.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the switching application circuit capable of synchronously setting output power comprises an LED driving circuit, a switching circuit, a color temperature control circuit and a switching current setting circuit, wherein the LED driving circuit is respectively connected with the switching circuit and the switching current setting circuit, and the switching circuit is connected with the switching current setting circuit;
the LED driving circuit is used for providing constant driving current for the lamp string;
the switch switching circuit is used for circularly and alternately outputting the LED1 and the LED2 lamp strings;
the color temperature control circuit is used for adjusting the size of the resistor to perform electrodeless color mixing of the color temperature;
the switching current setting circuit is used for switching the output light string and the corresponding output power. The switch switching circuit, the color temperature control circuit and the switch current setting circuit are matched to switch the output lamp string and the output power with corresponding magnitudes at the same time, so that synchronous adjustment of different lamplights and currents is realized, and a plurality of different LED driving and light sources are not needed.
Preferably, the switching current setting circuit includes an optocoupler U3, a resistor RS1, a resistor RS2, a resistor RS3, a resistor R23, a resistor R24, a resistor R25, a resistor R26, a resistor R27, a MOS transistor Q1, a MOS transistor Q2, and a zener diode ZD1; the control end of the optocoupler U3 is connected with the MOS tube Q1, the control end of the optocoupler U3 is connected with the MOS tube Q2, the MOS tube Q1 and the MOS tube Q2 are N-channel enhanced MOSFETs, one end of the MOS tube Q1 is connected with the resistor R25 and the zener diode ZD1, the MOS tube Q2 is connected with the resistor RS3 in series, the resistor RS1, the resistor RS2 and the resistor RS3 are respectively connected with the LED driving circuit, the output lamp string is LED1-LED2 circulation through a switch, and the power setting resistor is the resistor RS1+the resistor RS2 and the resistor RS1+the resistor RS2+the resistor RS3 circulation, so that the output lamp string and the output power with the corresponding size are switched simultaneously.
Preferably, the LED driving circuit includes a filter circuit, a feedback circuit, a dimming chip U1, a resistor module, a rectifier bridge BD1, a transformer T1, an output diode D2, an input fuse FR1, and a varistor VR1; the input end of the filter circuit is connected with one end of the rectifier bridge BD1, the CS pin of the dimming chip U1 is connected with the resistor RS1, the resistor RS2 and the resistor RS3, the GND pin of the dimming chip U1 is connected with the feedback circuit, the dimming chip U1 is used for TRAIC dimming, the feedback circuit is also connected with the transformer T1, the transformer T1 is an isolation transformer, one end of the output diode D2 is connected with the switch switching circuit, and the output diode D2 is a fast recovery diode; the filter circuit comprises a capacitor C1, a capacitor C2 and an I-shaped inductor L3; the feedback circuit comprises a resistor R6 and a resistor R7, and an LED driving circuit is formed by the circuits to provide constant LED driving current for the lamp string.
Preferably, the switch switching circuit comprises switch switching chips U2, R21A, a filter capacitor C21, a filter capacitor C22, a first light string and a second light string; VCC pin of switch chip U2 is connected with R21A and filter capacitor C22 respectively, the DET pin of switch chip U2 is connected with R21, the VDD pin of switch chip U2 is connected with filter capacitor C21, the LED2 pin of switch chip U2 is connected with the second lamp cluster, the LED1 pin of switch chip U2 is connected with first lamp cluster, switch detection and switch switching circuit has been constituteed to switch chip U2 and periphery thereof to realize the circulation output in turn of LED1 and LED2 lamp cluster when switching.
Preferably, the color temperature control circuit comprises a dial switch JW1, a resistor R30, a resistor R31, a resistor R32, a resistor R33, a resistor R34 and a resistor R35; the resistor R30, the resistor R31, the resistor R32, the resistor R33, the resistor R34 and the resistor R35 are respectively connected to one pin of the dial switch JW1, the color temperature control circuit is used for electrodeless color mixing of color temperatures, circuits with different resistance values are transmitted into the lamp strings, so that voltage drops of the two lamp strings are different, the effect of uneven current distribution of the two lamp strings is achieved, the adjustment of the color temperature is realized, and the electrodeless color mixing of the color temperature is realized by adjusting the size of the resistor.
The utility model has the beneficial effects that: the switching circuit, the color temperature control circuit and the switching current setting circuit are matched to switch the output lamp string and the output power with corresponding magnitudes at the same time, so that synchronous adjustment of different lamplights and currents is realized, multiple different LED driving and light sources are not needed, and the electrodeless color mixing of the color temperature is realized by adjusting the size of the resistor on the basis of constant LED driving current, so that the LED color temperature control circuit has certain use value and popularization value.
Drawings
Fig. 1 is a circuit schematic of the present utility model.
Fig. 2 is a schematic diagram of a color temperature control circuit according to the present utility model.
Detailed Description
As shown in fig. 1, a switching application circuit capable of synchronously setting output power comprises an LED driving circuit, a switching circuit, a color temperature control circuit and a switching current setting circuit, wherein the LED driving circuit is respectively connected with the switching circuit and the switching current setting circuit, and the switching circuit is connected with the switching current setting circuit; the LED driving circuit is used for providing constant driving current for the first lamp string and the second lamp string, the switch switching circuit is used for circularly and alternately outputting the lamp strings connected with the LEDs 1 and 2, the color temperature control circuit is used for adjusting the size of the resistor to perform electrodeless color mixing of the color temperature, and the switch current setting circuit is used for switching the output first lamp string and the second lamp string and the output power with the corresponding size.
The LED driving circuit comprises a filter circuit, a feedback circuit, a dimming chip U1, a resistor module, a rectifier bridge BD1, a transformer T1, an output diode D2, an input fuse FR1 and a piezoresistor VR1; the input of filter circuit is connected with rectifier bridge BD 1's one end, dimming chip U1's CS pin is connected with resistance RS1, resistance RS2, resistance RS3, dimming chip U1's GND pin is connected with feedback circuit, dimming chip U1 is used for TRAIC to adjust luminance, feedback circuit still connects in transformer T1, transformer T1 is isolation transformer, output diode D2's one end is connected with switch switching circuit, output diode D2 is fast recovery diode, filter circuit includes electric capacity C1, electric capacity C2 and I-shaped inductance L3, feedback circuit includes resistance R6 and resistance R7.
The switch switching circuit comprises switch switching chips U2, R21 and R21A, a filter capacitor C21, a filter capacitor C22, a first light string and a second light string; VCC pin of switch chip U2 is connected with R21A and filter capacitor C22 respectively, switch chip U2's DET pin is connected with R21, switch chip U2's VDD pin is connected with filter capacitor C21, switch chip U2's LED2 pin is connected with the second lamp cluster, switch chip U2's LED1 pin is connected with first lamp cluster, R21 provides operating voltage for switch chip U2, switch chip U2's DET pin is used for detecting LED drive circuit switching action, switch chip U2's pin LED1 and LED2 are the output negative pole of 2 lamp pearl strings, switch chip U2 and periphery have constituteed switch detection and switch switching circuit, thereby the circulation of LED1 and LED2 lamp cluster (first lamp cluster and second lamp cluster) is output in turn on and off.
As shown in fig. 2, the color temperature control circuit includes a dial switch JW1, a resistor R30, a resistor R31, a resistor R32, a resistor R33, a resistor R34, and a resistor R35, where the resistor R30, the resistor R31, the resistor R32, the resistor R33, the resistor R34, and the resistor R35 are respectively connected to one pin of the dial switch JW1, and the color temperature control circuit is used for electrodeless color mixing of color temperatures; the circuits with different resistance values are transmitted into the lamp strings, so that the voltage drop of the 2 street lamp strings is different, the effect of uneven current distribution of the two street lamp strings is achieved, the color temperature is regulated, and the electrodeless color mixing of the color temperature is realized by regulating the size of the resistor.
The switching current setting circuit comprises an optocoupler U3, a resistor RS1, a resistor RS2, a resistor RS3, a MOS tube Q1, a MOS tube Q2, a resistor R23, a resistor R24, a resistor R25, a resistor R26, a resistor R27 and a zener diode ZD1; the control end of the optocoupler U3 is connected with the MOS tube Q1, the controlled end of the optocoupler U3 is connected with the MOS tube Q2, the MOS tube Q1 and the MOS tube Q2 are N-channel enhanced MOSFETs, one end of the MOS tube Q1 is connected with the resistor R25 and the zener diode ZD1, the MOS tube Q2 is connected with the resistor RS3 in series, and the resistor RS1, the resistor RS2 and the resistor RS3 are respectively connected with the LED driving circuit;
when the LED1 pin of the switch switching chip U2 is conducted for the first time, the light string connected to the LED1 pin starts to be conducted, the LED1 light string is lighted, the LED2 pin is not conducted, the light string connected to the LED2 is not conducted, at the moment, the grid electrode of the MOS tube Q1 is driven to be at a low level, the MOS tube Q1 is not conducted, the optocoupler U3 is not conducted, and at the moment, the front-stage power resistor is a resistor RS1 and a resistor RS2; when the switch is switched on again, the LED2 pin of the switch switching chip U2 is conducted, the second lamp string connected to the LED2 pin starts to be conducted, the second lamp string of the LED2 is lighted, the LED1 pin is not conducted, the first lamp string connected to the LED1 is not conducted, at the moment, the grid electrode of the MOS tube Q1 is driven to be at a high level, so that the MOS tube Q1 is conducted, the optocoupler U3 is conducted to work, the MOS tube Q2 at the front stage is conducted, the MOS tube Q2Q2 is connected with the power setting resistor RS3 in series, and the power setting resistor at the front stage after the conduction is RE1, RE2 and the resistor RS3; in summary, the output light string is LED1-LED2 circulation through the switch, and the power setting resistor is a resistor RSs 1+ resistor RS2 and a resistor RSs 1+ resistor RSs 2+ resistor RS3 circulation.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the utility model.
Claims (7)
1. The switching application circuit capable of synchronously setting output power is characterized by comprising an LED driving circuit, a switching circuit, a color temperature control circuit and a switching current setting circuit, wherein the LED driving circuit is respectively connected with the switching circuit and the switching current setting circuit, and the switching circuit is connected with the switching current setting circuit;
the LED driving circuit is used for providing constant driving current for the lamp string;
the switch switching circuit is used for circularly and alternately outputting the LED1 and the LED2 lamp strings;
the color temperature control circuit is used for adjusting the size of the resistor to perform electrodeless color mixing of the color temperature;
the switching current setting circuit is used for switching the output light string and the output power with corresponding magnitude.
2. The switching application circuit capable of synchronously setting output power according to claim 1, wherein the switching current setting circuit comprises an optocoupler U3, a resistor RS1, a resistor RS2, a resistor RS3, a resistor R23, a resistor R24, a resistor R25, a resistor R26, a resistor R27, a MOS transistor Q1, a MOS transistor Q2, and a zener diode ZD1;
the control end of the optocoupler U3 is connected with the MOS tube Q1, the control end of the optocoupler U3 is connected with the MOS tube Q2, one end of the MOS tube Q1 is connected with the resistor R25 and the zener diode ZD1, the MOS tube Q2 is connected with the resistor RS3 in series, and the resistor RS1, the resistor RS2 and the resistor RS3 are respectively connected with the LED driving circuit.
3. The switching application circuit capable of synchronously setting output power according to claim 2, wherein the LED driving circuit comprises a filter circuit, a feedback circuit, a dimming chip U1, a resistor module, a rectifier bridge BD1, a transformer T1, an output diode D2, an input fuse FR1 and a varistor VR1;
the input of filter circuit is connected with rectifier bridge BD 1's one end, dimming chip U1's CS pin is connected with resistance RS1, resistance RS2, resistance RS3, dimming chip U1's GND pin is connected with feedback circuit, and dimming chip U1 is used for TRAIC to adjust luminance, feedback circuit still connects in transformer T1, and transformer T1 is isolation transformer, output diode D2's one end is connected with switch switching circuit, and output diode D2 is fast recovery diode.
4. A switching application circuit for synchronously setting output power according to claim 3, wherein said filter circuit comprises a capacitor C1, a capacitor C2 and an i-inductor L3.
5. A switch-and-switch application circuit for synchronously setting an output power according to claim 3, wherein said feedback circuit comprises a resistor R6 and a resistor R7.
6. The switching application circuit capable of synchronously setting output power according to claim 1, wherein the switching application circuit comprises switching chips U2, R21A, a filter capacitor C21, a filter capacitor C22, a first light string, and a second light string;
the VCC pin of switch chip U2 is connected with R21A and filter capacitor C22 respectively, the DET pin of switch chip U2 is connected with R21, and the DET pin of switch chip U2 is used for detecting the detection foot of LED drive circuit switching action, R21 provides operating voltage for switch chip U2, the VDD pin of switch chip U2 is connected with filter capacitor C21, the LED2 pin of switch chip U2 is connected with the second lamp cluster, the LED1 pin of switch chip U2 is connected with first lamp cluster.
7. The switch-and-switch application circuit capable of synchronously setting output power according to claim 1, wherein the color temperature control circuit comprises a dial switch JW1, a resistor R30, a resistor R31, a resistor R32, a resistor R33, a resistor R34 and a resistor R35;
the resistor R30, the resistor R31, the resistor R32, the resistor R33, the resistor R34 and the resistor R35 are respectively connected to one pin of the dial switch JW1, and the color temperature control circuit is used for electrodeless color mixing of color temperatures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321252456.8U CN219876191U (en) | 2023-05-23 | 2023-05-23 | Switch switching application circuit capable of synchronously setting output power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321252456.8U CN219876191U (en) | 2023-05-23 | 2023-05-23 | Switch switching application circuit capable of synchronously setting output power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219876191U true CN219876191U (en) | 2023-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321252456.8U Active CN219876191U (en) | 2023-05-23 | 2023-05-23 | Switch switching application circuit capable of synchronously setting output power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219876191U (en) |
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2023
- 2023-05-23 CN CN202321252456.8U patent/CN219876191U/en active Active
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