CN210120684U - Driving circuit compatible with silicon controlled rectifier dimming and wireless dimming - Google Patents
Driving circuit compatible with silicon controlled rectifier dimming and wireless dimming Download PDFInfo
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- CN210120684U CN210120684U CN201920683388.8U CN201920683388U CN210120684U CN 210120684 U CN210120684 U CN 210120684U CN 201920683388 U CN201920683388 U CN 201920683388U CN 210120684 U CN210120684 U CN 210120684U
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 42
- 239000010703 silicon Substances 0.000 title claims abstract description 42
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 238000005070 sampling Methods 0.000 claims abstract description 12
- 239000003990 capacitor Substances 0.000 claims description 38
- 238000004891 communication Methods 0.000 description 8
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Abstract
The utility model discloses a compatible silicon controlled rectifier adjusts luminance and wireless drive circuit who adjusts luminance, it includes the silicon controlled rectifier dimmer, constant current circuit and wireless control circuit, constant current circuit is by the first rectifier circuit that connects gradually, bleeder circuit and linear constant current circuit constitute, wireless control circuit is by the second rectifier circuit that connects gradually, constant voltage power supply circuit and wireless control module constitute, the commercial power is connected with the input of first rectifier circuit all the way after passing through the silicon controlled rectifier dimmer, another way is connected with the input of second rectifier circuit, linear constant current circuit's output is connected with the LED load, wireless control module and bleeder circuit's voltage detection end, linear constant current circuit's dimming end, linear constant current circuit's sampling end is connected; the wireless dimming device has the advantages that the wireless dimming device can provide the maintaining current required by dimming for the silicon controlled dimmer, the situation that the silicon controlled dimmer lacks the maintaining current can not occur during wireless dimming, and the silicon controlled dimmer can still supply power for the wireless control module when the silicon controlled dimmer is adjusted to the low end.
Description
Technical Field
The utility model relates to a drive circuit of LED illumination product especially relates to a compatible silicon controlled rectifier adjusts luminance and wireless drive circuit who adjusts luminance.
Background
Conventionally, most households in the united states use a thyristor dimmer to perform dimming, and the thyristor dimmer is manually adjusted to adjust a voltage phase angle to perform on-state dimming. In recent years, with the rapid development of wireless communication technology and internet technology, the wireless communication technology and the internet technology are gradually applied to LED lighting products and perform wireless switching, dimming and color mixing on the LED lighting products, however, the existing wireless dimming control technology is directly compatible to the traditional silicon controlled dimmer, and the situation that the wireless dimming circuit cannot provide a maintaining current and a trigger current to cause the silicon controlled dimmer to not work normally, or the silicon controlled dimmer is not enough to provide normal voltage and current to supply power to a wireless module when being adjusted to a low end, causes the wireless dimming circuit to not work normally occurs.
Disclosure of Invention
The utility model aims to solve the technical problem that a compatible silicon controlled rectifier adjusts luminance and wireless drive circuit who adjusts luminance is provided, it can provide the required holding current of adjusting luminance for silicon controlled rectifier dimmer, also can not appear the condition that silicon controlled rectifier dimmer lacks holding current when wireless is adjusted luminance, and silicon controlled rectifier dimmer still can be the wireless control module power supply when transferring to the low side.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a compatible silicon controlled rectifier adjusts luminance and wireless drive circuit who adjusts luminance, includes silicon controlled rectifier dimmer, constant current circuit and wireless control circuit, its characterized in that: the constant current circuit consists of a first rectifying circuit, a bleeder circuit and a linear constant current circuit which are connected in sequence, the wireless control circuit consists of a second rectifying circuit, a constant voltage power supply circuit and a wireless control module which are connected in sequence, one path of commercial power is connected with the input end of the first rectifying circuit after passing through the silicon controlled dimmer, the other path of commercial power is connected with the input end of the second rectifying circuit, the output end of the first rectifying circuit is connected with the input end of the bleeder circuit, the output end of the bleeder circuit is connected with the input end of the linear constant current circuit, the output end of the linear constant current circuit is connected with an LED load, the output end of the second rectifying circuit is connected with the input end of the constant voltage power supply circuit, and the output end of the constant voltage power supply circuit is connected with the input end of the wireless control module, the wireless control module is connected with the voltage detection end of the bleeder circuit to detect the input voltage of the linear constant current circuit in real time to adjust the current of the LED load, the wireless control module is connected with the dimming end of the linear constant current circuit to carry out wireless remote dimming on the LED load, and the wireless control module is connected with the sampling end of the linear constant current circuit to detect the current of the LED load in real time to confirm the dimming degree of the LED load.
And an anti-surge circuit is connected between the silicon controlled dimmer and the input end of the first rectifying circuit and the input end of the second rectifying circuit. The anti-surge circuit is provided for detection by EMC (Electro magnetic compatibility).
The bleeder circuit comprises a first resistor, a second resistor, a third resistor, a first capacitor, a second capacitor, a bleeder chip with the model of TC3129F and a first diode, wherein one end of the first resistor is used as the input end of the bleeder circuit and is connected with the output end of the first rectifying circuit, the other end of the first resistor is respectively connected with one end of the second resistor and one end of the first capacitor, the public connection end of the first resistor is used as the voltage detection end of the bleeder circuit and is respectively connected with the pin 3 of the bleeder chip and the wireless control module, the other end of the second resistor is connected with the other end of the first capacitor, the public connection end of the second resistor is connected with the output end of the first rectifying circuit, the pin 1 of the bleeder chip is connected with one end of the first resistor through the third resistor, the 2 nd pin of the bleeder chip is connected with the output end of the first rectifying circuit through the second capacitor, the 4 th pin of the bleeder chip is grounded, the 5 th pin to the 8 th pin of the bleeder chip are connected with the output end of the first rectifying circuit, the anode of the first diode is connected with the common connecting end of one end of the third resistor and one end of the first resistor, and the cathode of the first diode is used as the output end of the bleeder circuit and is connected with the input end of the linear constant current circuit. When commercial power is rectified by the first rectifying circuit and then is input into the bleeder chip through the first resistor, if the silicon controlled rectifier dimmer exists, the voltage change rate output into the bleeder chip is large, the bleeder chip is conducted to work, and the silicon controlled rectifier dimmer is provided with holding current; if no silicon controlled rectifier dimmer exists, the bleeder chip is disconnected and does not work; the use of a bleeder (Bleed) circuit may improve power efficiency when the thyristor dimmer is not connected.
The model of wireless control module be TYTT 4L, wireless control module's 1 st foot as wireless control module's input with constant voltage supply circuit's output connect, wireless control module's 2 nd foot ground connection, wireless control module's 3 rd foot and 4 th foot unsettled, wireless control module's 5 th foot with linear constant current circuit's the end of adjusting luminance connect, wireless control module's 6 th foot with bleeder circuit's voltage detection end (being the public link of first resistance and second resistance) connect, wireless control module's 7 th foot with linear constant current circuit's sampling end connect. The output end of the constant voltage power supply circuit is connected with the 1 st pin of the wireless control module to provide power supply voltage for the wireless control module to enable the wireless control module to work normally, the 5 th pin of the wireless control module outputs PWM signals to the linear constant current chip of the linear constant current circuit to carry out wireless remote dimming on the LED load, the 6 th pin of the wireless control module detects the input voltage of the linear constant current circuit to prevent the LED load current from fluctuating greatly due to the too low or too high input voltage of the linear constant current circuit, so as to improve the adjustment rate of the linear voltage, the 7 th pin of the wireless control module is connected with the sampling end of the linear constant current circuit to monitor the current flowing through the LED load in real time to determine the dimming state of the silicon controlled dimmer, so that the subsequent whole lamp can be conveniently dimmed on the wireless communication equipment, for example, the silicon controlled dimmer finds that 50 percent dimming is carried out on the circuit by detecting the current of the LED, the circuitry can be dimmed between the remaining 0-50% on the wireless communication device.
The linear constant current circuit comprises a linear constant current chip with the model number of BP5778, a fourth resistor, a fifth resistor, a sixth resistor and a third capacitor, wherein the 1 st pin of the linear constant current chip is connected with one end of the fourth resistor, the other end of the fourth resistor is used as a dimming end of the linear constant current circuit and is connected with the 5 th pin of the wireless control module, the 1 st pin of the linear constant current chip is grounded through the third capacitor, the 2 nd pin of the linear constant current chip is grounded through the fifth resistor, the 2 nd pin of the linear constant current chip is used as a sampling end of the linear constant current circuit and is connected with the 7 th pin of the wireless control module, the 3 rd pin, the 4 th pin and the 7 th pin of the linear constant current chip are suspended, the 5 th pin and the 6 th pin of the linear constant current chip are connected, and the common connecting end of the linear constant current chip is connected with the cathode of the LED load, the 8 th pin of the linear constant current chip is connected with one end of the sixth resistor, the other end of the sixth resistor is used as the input end of the linear constant current circuit and is connected with the cathode of the first diode, the other end of the sixth resistor is connected with the anode of the LED load, and the 9 th pin of the linear constant current chip is grounded.
The constant voltage power supply circuit comprises a constant voltage chip with the model number of BP8519C, an eighth resistor, a ninth resistor, a tenth resistor, a fourth capacitor, a second diode, a second electrolytic capacitor and a first inductor, wherein a pin 5 of the constant voltage chip is used as the input end of the constant voltage power supply circuit and is connected with the output end of the second rectifying circuit, a pin 4 of the constant voltage chip is suspended, a pin 3 of the constant voltage chip is respectively connected with one end of the fourth capacitor, one end of the ninth resistor, one end of the first inductor and the negative electrode of the second diode, the other end of the fourth capacitor is connected with a pin 2 of the constant voltage chip, the other end of the ninth resistor is respectively connected with the pin 1 of the constant voltage chip and one end of the eighth resistor, and the other end of the eighth resistor is respectively connected with the other end of the first inductor, The anode of the second electrolytic capacitor and one end of the tenth resistor are connected, the anode of the second diode, the cathode of the second electrolytic capacitor and the other end of the tenth resistor are all grounded, and one end of the tenth resistor is used as the output end of the constant voltage power supply circuit and is connected with the No. 1 pin of the wireless control module.
Compared with the prior art, the utility model has the advantages of:
1) the wireless dimming control circuit has the advantages that the first rectifying circuit is arranged to enable the commercial power linear constant current circuit to supply power, the second rectifying circuit is arranged to enable the commercial power to supply power to the wireless control module, the commercial power linear constant current circuit and the wireless control module are not interfered with each other, and therefore the wireless dimming control module can still supply power to the whole lamp through the second rectifying circuit when the silicon controlled rectifier dimmer is adjusted to the low end, and the whole lamp can still achieve wireless dimming.
2) The bleeder circuit can provide the holding current that the dimming needs for the silicon controlled rectifier dimmer, makes the condition that the silicon controlled rectifier dimmer lacks the holding current can not appear when wireless dimming.
3) On one hand, the wireless control module can adjust the current of the LED load by detecting the input voltage of the linear constant current circuit in real time, and prevent the current of the LED load from greatly fluctuating due to the fact that the input voltage of the linear constant current circuit is too low or too high, so that the adjustment rate of the linear voltage of the whole lamp is improved; on the other hand, the wireless control module is used for determining the dimming degree of the whole lamp by detecting the current of the LED load in real time, so that the wireless communication equipment can obtain the dimming percentage of the whole lamp in time, and the subsequent dimming through the wireless communication equipment is facilitated.
4) The silicon controlled dimmer and the wireless control circuit can be used for dimming independently or dimming mutually, and when one of the silicon controlled dimmer and the wireless control circuit is used for dimming, the other can be used for adjusting the light of the rest part.
Drawings
Fig. 1 is a block diagram of the driving circuit of the present invention;
fig. 2 is a circuit diagram of the driving circuit of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
The utility model provides a compatible silicon controlled rectifier adjusts luminance and drive circuit that wireless was adjusted luminance, it includes silicon controlled rectifier dimmer 1, constant current circuit 2 and wireless control circuit 3, constant current circuit 2 comprises the first rectifier circuit BD1 that connects gradually, bleeder (Bleed) circuit 21 and linear constant current circuit 22 are constituteed, wireless control circuit 3 comprises the second rectifier circuit BD2 that connects gradually, constant voltage power supply circuit 31 and wireless control module M1, the commercial power is connected with the input of first rectifier circuit BD1 all the way after passing silicon controlled rectifier dimmer 1, another way is connected with the input of second rectifier circuit BD2, the output of first rectifier circuit BD1 is connected with the input of bleeder circuit 21, the output of bleeder circuit 21 is connected with the input of linear constant current circuit 22, the output and the LED load of linear constant current circuit 22 are connected, the output and the BD load of second rectifier circuit 2 are connected with the input of power supply circuit 31, the output end of the constant voltage power supply circuit 31 is connected with the input end of the wireless control module M1, the wireless control module M1 is connected with the voltage detection end of the bleeder circuit 21 to detect the input voltage of the linear constant current circuit 22 in real time to adjust the current of the LED load, the wireless control module M1 is connected with the dimming end of the linear constant current circuit 22 to perform wireless remote dimming on the LED load, and the wireless control module M1 is connected with the sampling end of the linear constant current circuit 22 to detect the current of the LED load in real time to confirm the dimming degree of the LED load.
In the present embodiment, the surge protection circuit 4 is connected between the thyristor dimmer 1 and the input terminals of the first rectifier circuit BD1 and the second rectifier circuit BD 2. The anti-surge circuit 4 is provided for detection by EMC (Electro magnetic compatibility).
In this embodiment, the bleeder circuit 21 includes a first resistor R1, a second resistor R2, a third resistor R3, a first capacitor C1, a second capacitor C2, a bleder chip U1 with model TC 312F, and a first diode D1, one end of the first resistor R1 is connected to the output terminal of the first rectifier circuit BD1 as the input terminal of the bleeder circuit 21, the other end of the first resistor R1 is connected to one end of the second resistor R2 and one end of the first capacitor C1, and the common connection terminal thereof is connected to the 3 rd pin of the bleder chip U1 and the wireless control module M1 as the voltage detection terminal of the bleeder circuit 21, the other end of the second resistor R2 is connected to the other end of the first capacitor C1, and the common connection terminal thereof is connected to the output terminal of the first rectifier circuit BD1, the 1 st pin of the bleder chip U1 is connected to one end of the first resistor R2 through the third resistor R3, and the first capacitor BD 868456 is connected to the output terminal of the first rectifier circuit BD2, the 4 th pin of the bleder chip U1 is grounded, the 5 th pin to the 8 th pin of the bleder chip U1 are connected with the output end of the first rectifying circuit BD1, the anode of the first diode D1 is connected with the common connection end of one end of the third resistor R3 and one end of the first resistor R1, and the cathode of the first diode D1 serving as the output end of the bleeder circuit 21 is connected with the input end of the linear constant current circuit 22. When the commercial power is rectified by the first rectifying circuit BD1 and then is input into the bleder chip U1 through the first resistor R1, if the thyristor dimmer 1 exists, the voltage change rate output into the bleder chip U1 is large, the bleder chip U1 is conducted to work, and the thyristor dimmer 1 is provided with the maintaining current; if the silicon controlled dimmer 1 does not exist, the bleder chip U1 is disconnected and does not work; the use of the Bleed off (Bleed) circuit 21 may improve the efficiency of the power supply when the triac dimmer 1 is not connected.
In this embodiment, the model of the wireless control module M1 is TYBT4L, the 1 st pin of the wireless control module M1 is connected to the output terminal of the constant voltage power supply circuit 31 as the input terminal of the wireless control module M1, the 2 nd pin of the wireless control module M1 is grounded, the 3 rd pin and the 4 th pin of the wireless control module M1 are floating, the 5 th pin of the wireless control module M1 is connected to the dimming terminal of the linear constant current circuit 22, the 6 th pin of the wireless control module M1 is connected to the voltage detection terminal of the bleeder circuit 21 (i.e., the common connection terminal of the first resistor R1 and the second resistor R2), and the 7 th pin of the wireless control module M1 is connected to the sampling terminal of the linear constant current circuit 22. The output end of the constant voltage power supply circuit 31 is connected with the 1 st pin of the wireless control module M1 to provide a power supply voltage for the wireless control module M1 to enable the wireless control module M1 to work normally, the 5 th pin of the wireless control module M1 outputs a PWM signal to the linear constant current chip of the linear constant current circuit 22 to perform wireless remote dimming on the LED load, the 6 th pin of the wireless control module M1 detects the magnitude of the input voltage of the linear constant current circuit 22 to prevent the LED load current from fluctuating greatly due to the too low or too high input voltage of the linear constant current circuit 22, so as to improve the regulation rate of the linear voltage, the 7 th pin of the wireless control module M1 is connected with the sampling end of the linear constant current circuit 22 to monitor the current flowing through the LED load in real time to determine the dimming state of the thyristor dimmer 1, so as to facilitate the dimming of the subsequent whole lamp on the wireless communication device, for example, by detecting the current of the LED load to find that the thyristor dimmer 1 performs 50%, the circuitry can be dimmed between the remaining 0-50% on the wireless communication device.
In this embodiment, the linear constant current circuit 22 includes a linear constant current chip U2 with model number BP5778, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6 and a third capacitor C3, the 1 st pin of the linear constant current chip U2 is connected to one end of the fourth resistor R4, the other end of the fourth resistor R4 is connected to the 5 th pin of the wireless control module M1 as the dimming end of the linear constant current circuit 22, the 1 st pin of the linear constant current chip U2 is grounded through the third capacitor C3, the 2 nd pin of the linear constant current chip U2 is grounded through the fifth resistor R5, the 2 nd pin of the linear constant current chip U2 is connected to the 7 th pin of the wireless control module M1 as the sampling end of the linear constant current circuit 22, the 3 rd pin, the 4 th pin and the 7 th pin of the linear constant current chip U2 are suspended, the 5 th pin and the 6 th pin of the linear chip U2 are connected to the negative terminal of the common load, the sixth constant current chip U638 is connected to the first terminal of the sixth constant current chip R6, the other end of the sixth resistor R6 is connected to the cathode of the first diode D1 as the input end of the linear constant current circuit 22, the other end of the sixth resistor R6 is connected to the anode of the LED load, and the 9 th pin of the linear constant current chip U2 is grounded.
In this embodiment, the constant voltage power supply circuit 31 includes a constant voltage chip U3 with model number BP8519C, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, a fourth capacitor C4, a second diode D2, a second electrolytic capacitor CE2, and a first inductor T1, a 5 th pin of the constant voltage chip U3 is connected to an output terminal of the second rectifier circuit BD 5 as an input terminal of the constant voltage power supply circuit 31, a 4 th pin of the constant voltage chip U3 is floating, a 3 rd pin of the constant voltage chip U3 is connected to one end of the fourth capacitor C4, one end of the ninth resistor R9, one end of the first inductor T1, and a negative terminal of the second diode D5739, the other end of the fourth capacitor C4 is connected to a 2 nd pin of the constant voltage chip U3, the other end of the ninth resistor R9 is connected to one end of the first pin of the constant voltage chip U3 and one end of the eighth resistor R8, and the other end of the eighth resistor R8 is connected to a positive electrode 2 of the first inductor T1 and a positive electrode of the second inductor CE2, One end of the tenth resistor R10 is connected, the anode of the second diode D2, the cathode of the second electrolytic capacitor CE2, and the other end of the tenth resistor R10 are all grounded, and one end of the tenth resistor R10 is connected to the 1 st pin of the wireless control module M1 as the output end of the constant-voltage power supply circuit 31.
Claims (6)
1. The utility model provides a compatible silicon controlled rectifier adjusts luminance and wireless drive circuit who adjusts luminance, includes silicon controlled rectifier dimmer, constant current circuit and wireless control circuit, its characterized in that: the constant current circuit consists of a first rectifying circuit, a bleeder circuit and a linear constant current circuit which are connected in sequence, the wireless control circuit consists of a second rectifying circuit, a constant voltage power supply circuit and a wireless control module which are connected in sequence, one path of commercial power is connected with the input end of the first rectifying circuit after passing through the silicon controlled dimmer, the other path of commercial power is connected with the input end of the second rectifying circuit, the output end of the first rectifying circuit is connected with the input end of the bleeder circuit, the output end of the bleeder circuit is connected with the input end of the linear constant current circuit, the output end of the linear constant current circuit is connected with an LED load, the output end of the second rectifying circuit is connected with the input end of the constant voltage power supply circuit, and the output end of the constant voltage power supply circuit is connected with the input end of the wireless control module, the wireless control module is connected with the voltage detection end of the bleeder circuit to detect the input voltage of the linear constant current circuit in real time to adjust the current of the LED load, the wireless control module is connected with the dimming end of the linear constant current circuit to carry out wireless remote dimming on the LED load, and the wireless control module is connected with the sampling end of the linear constant current circuit to detect the current of the LED load in real time to confirm the dimming degree of the LED load; the silicon controlled dimmer and the wireless control circuit respectively and independently dim light, or the silicon controlled dimmer and the wireless control circuit dim light mutually, and one of the silicon controlled dimmer and the wireless control circuit dims light and then the other one dims the rest light.
2. The driving circuit compatible with triac dimming and wireless dimming as claimed in claim 1, wherein: and an anti-surge circuit is connected between the silicon controlled dimmer and the input end of the first rectifying circuit and the input end of the second rectifying circuit.
3. The driving circuit compatible with triac dimming and wireless dimming as claimed in claim 1 or 2, wherein: the bleeder circuit comprises a first resistor, a second resistor, a third resistor, a first capacitor, a second capacitor, a bleeder chip with the model of TC3129F and a first diode, wherein one end of the first resistor is used as the input end of the bleeder circuit and is connected with the output end of the first rectifying circuit, the other end of the first resistor is respectively connected with one end of the second resistor and one end of the first capacitor, the public connection end of the first resistor is used as the voltage detection end of the bleeder circuit and is respectively connected with the pin 3 of the bleeder chip and the wireless control module, the other end of the second resistor is connected with the other end of the first capacitor, the public connection end of the second resistor is connected with the output end of the first rectifying circuit, the pin 1 of the bleeder chip is connected with one end of the first resistor through the third resistor, the 2 nd pin of the bleeder chip is connected with the output end of the first rectifying circuit through the second capacitor, the 4 th pin of the bleeder chip is grounded, the 5 th pin to the 8 th pin of the bleeder chip are connected with the output end of the first rectifying circuit, the anode of the first diode is connected with the common connecting end of one end of the third resistor and one end of the first resistor, and the cathode of the first diode is used as the output end of the bleeder circuit and is connected with the input end of the linear constant current circuit.
4. The driving circuit compatible with triac dimming and wireless dimming as claimed in claim 3, wherein: the model of wireless control module be TYTT 4L, wireless control module's 1 st foot as wireless control module's input with constant voltage supply circuit's output connect, wireless control module's 2 nd foot ground connection, wireless control module's 3 rd foot and 4 th foot unsettled, wireless control module's 5 th foot with linear constant current circuit's the end of adjusting luminance connect, wireless control module's 6 th foot with bleeder circuit's voltage detection end connect, wireless control module's 7 th foot with linear constant current circuit's sampling end connect.
5. The driving circuit compatible with triac dimming and wireless dimming as claimed in claim 4, wherein: the linear constant current circuit comprises a linear constant current chip with the model number of BP5778, a fourth resistor, a fifth resistor, a sixth resistor and a third capacitor, wherein the 1 st pin of the linear constant current chip is connected with one end of the fourth resistor, the other end of the fourth resistor is used as a dimming end of the linear constant current circuit and is connected with the 5 th pin of the wireless control module, the 1 st pin of the linear constant current chip is grounded through the third capacitor, the 2 nd pin of the linear constant current chip is grounded through the fifth resistor, the 2 nd pin of the linear constant current chip is used as a sampling end of the linear constant current circuit and is connected with the 7 th pin of the wireless control module, the 3 rd pin, the 4 th pin and the 7 th pin of the linear constant current chip are suspended, the 5 th pin and the 6 th pin of the linear constant current chip are connected, and the common connecting end of the linear constant current chip is connected with the cathode of the LED load, the 8 th pin of the linear constant current chip is connected with one end of the sixth resistor, the other end of the sixth resistor is used as the input end of the linear constant current circuit and is connected with the cathode of the first diode, the other end of the sixth resistor is connected with the anode of the LED load, and the 9 th pin of the linear constant current chip is grounded.
6. The driving circuit compatible with triac dimming and wireless dimming as claimed in claim 4, wherein: the constant voltage power supply circuit comprises a constant voltage chip with the model number of BP8519C, an eighth resistor, a ninth resistor, a tenth resistor, a fourth capacitor, a second diode, a second electrolytic capacitor and a first inductor, wherein a pin 5 of the constant voltage chip is used as the input end of the constant voltage power supply circuit and is connected with the output end of the second rectifying circuit, a pin 4 of the constant voltage chip is suspended, a pin 3 of the constant voltage chip is respectively connected with one end of the fourth capacitor, one end of the ninth resistor, one end of the first inductor and the negative electrode of the second diode, the other end of the fourth capacitor is connected with a pin 2 of the constant voltage chip, the other end of the ninth resistor is respectively connected with the pin 1 of the constant voltage chip and one end of the eighth resistor, and the other end of the eighth resistor is respectively connected with the other end of the first inductor, The anode of the second electrolytic capacitor and one end of the tenth resistor are connected, the anode of the second diode, the cathode of the second electrolytic capacitor and the other end of the tenth resistor are all grounded, and one end of the tenth resistor is used as the output end of the constant voltage power supply circuit and is connected with the No. 1 pin of the wireless control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920683388.8U CN210120684U (en) | 2019-05-14 | 2019-05-14 | Driving circuit compatible with silicon controlled rectifier dimming and wireless dimming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920683388.8U CN210120684U (en) | 2019-05-14 | 2019-05-14 | Driving circuit compatible with silicon controlled rectifier dimming and wireless dimming |
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| Publication Number | Publication Date |
|---|---|
| CN210120684U true CN210120684U (en) | 2020-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920683388.8U Withdrawn - After Issue CN210120684U (en) | 2019-05-14 | 2019-05-14 | Driving circuit compatible with silicon controlled rectifier dimming and wireless dimming |
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| CN (1) | CN210120684U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110099489A (en) * | 2019-05-14 | 2019-08-06 | 浙江阳光美加照明有限公司 | It is a kind of it is compatible silicon controlled light modulation and Wireless Light modulating driving circuit |
-
2019
- 2019-05-14 CN CN201920683388.8U patent/CN210120684U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110099489A (en) * | 2019-05-14 | 2019-08-06 | 浙江阳光美加照明有限公司 | It is a kind of it is compatible silicon controlled light modulation and Wireless Light modulating driving circuit |
| CN110099489B (en) * | 2019-05-14 | 2024-03-01 | 浙江阳光美加照明有限公司 | Driving circuit compatible with silicon controlled rectifier dimming and wireless dimming |
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