CN210629929U - Control circuit and power supply circuit of lighting lamp - Google Patents
Control circuit and power supply circuit of lighting lamp Download PDFInfo
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- CN210629929U CN210629929U CN201921580716.8U CN201921580716U CN210629929U CN 210629929 U CN210629929 U CN 210629929U CN 201921580716 U CN201921580716 U CN 201921580716U CN 210629929 U CN210629929 U CN 210629929U
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
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Abstract
The utility model provides a control circuit and power supply circuit of illumination lamps and lanterns, the relay of control circuit contains relay coil, first contact and second contact, and first contact and second contact concatenate to the positive pole of the light source of illumination lamps and lanterns, and relay coil connects between the collecting electrode of relay power and triode, and the projecting pole of triode is ground connection; the controller of the control circuit is provided with a control pin, the control pin is connected with a base electrode of the triode and is configured to control the triode to be conducted when a light-on command is received, so that the relay coil is enabled to be connected with the relay power supply, the relay coil controls the first contact and the second contact to be connected, then the light source is lightened, and the triode is controlled to be disconnected when a light-off command is received, so that the relay coil is powered off, the first contact and the second contact are disconnected, current is prevented from flowing into the positive electrode of the light source, and the light source. The utility model discloses mains current appears the problem that the light source is little bright through parasitic capacitance flow direction light source when can avoid illumination lamps and lanterns to be closed effectively.
Description
Technical Field
The utility model relates to the field of lighting technology, especially, relate to a control circuit and power supply circuit of illumination lamps and lanterns.
Background
Present iron chassis ceiling lamp realizes opening through remote controller or installation APP's terminal, the lamp is closed, after adopting remote controller or installation APP's terminal to close ceiling lamp, see figure 1, there is parasitic capacitance C11 between the light source board of ceiling lamp and the chassis, there is parasitic capacitance C10 between chassis and the roof, because ceiling lamp and mains power supply's being connected does not break, make the light source board form the return circuit to the ground, parasitic capacitance C10 and C11's capacitive reactance is great, and have the effect of blocking direct current and exchanging, consequently, there is the light source of weak alternating current flow ceiling lamp, thereby make ceiling lamp slightly bright. Fig. 2 shows the distribution of parasitic capacitances between the LEDs and the chassis when the light source board includes a plurality of light source LEDs (e.g., LEDs 1, 2, and 3 … … LEDn), where a parasitic capacitance C1 exists between the LED1 and the chassis, a parasitic capacitance C2 exists between the LED2 and the chassis, a parasitic capacitance C3 exists between the LED3 and the chassis, and so on.
The LED lamp is characterized in that a resistor with a proper resistance value is connected in parallel to an LED of the ceiling lamp in the prior art, so that most of current of the ceiling lamp passes through the LED when the ceiling lamp normally emits light, and a small part of current passes through the resistor, and after the lamp is turned off, the weak current is over-resistance, so that the ceiling lamp cannot be slightly bright. However, the existing mode not only can increase extra loss of the ceiling lamp, but also can influence the optical characteristics of the ceiling lamp by increasing too much resistance on the light source plate.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention has been made to provide a control circuit and a power supply circuit of a lighting fixture that overcome or at least partially solve the above problems.
According to one aspect of the present invention, there is provided a control circuit for a power circuit of a lighting device, comprising a relay power supply, a relay, a controller, and a transistor, wherein,
the relay comprises a relay coil, a first contact and a second contact, the first contact and the second contact are connected in series to the positive electrode of the light source of the lighting lamp, the relay coil is connected between a relay power supply and the collector electrode of the triode, and the emitter electrode of the triode is grounded;
the controller is provided with a control pin, the control pin is connected with a base electrode of the triode and is configured to control the conduction of the triode when a light-on command is received, so that a relay coil is switched on a relay power supply, and the relay coil controls the light source to be lightened after the first contact and the second contact are switched on; and when a light-off instruction is received, the triode is controlled to be disconnected, so that the coil of the relay is powered off, the first contact and the second contact are disconnected, current is prevented from flowing into the anode of the light source, and the light source is extinguished.
Optionally, the control circuit further comprises:
a blocking diode connected in series to a negative electrode of the light source and configured to block current from flowing into the negative electrode of the light source when the light source is extinguished.
Optionally, the power circuit of the lighting fixture further comprises a wireless control module including a controller and configured to receive a light-on instruction or a light-off instruction of an external remote controller or a client of the terminal;
the control circuit and the wireless control module share the same controller, and the base electrode of the triode is connected to the controller in the wireless control module.
According to the utility model discloses another aspect still provides a power supply circuit of illumination lamps and lanterns, include:
a light source;
in the control circuit described in any of the above embodiments, a relay of the control circuit is connected in series to the positive electrode of the light source through the first contact and the second contact, the relay coil is connected to a relay power supply, the relay coil controls the light source to be turned on after the first contact and the second contact are connected, the relay coil is powered off, the first contact and the second contact are disconnected and prevent current from flowing into the positive electrode of the light source, and the light source is turned off;
a blocking diode of the control circuit connected in series to a negative electrode of the light source and configured to prevent current from flowing into the negative electrode of the light source when the light source is extinguished.
Optionally, the power circuit of the lighting fixture further comprises a wireless control module and a power module, the controller connected to the base of the triode is disposed in the power module,
the wireless control module is configured to receive a light-on instruction or a light-off instruction sent by a user through a remote controller or a client of the terminal, and send the light-on instruction or the light-off instruction to the controller in the power module.
Optionally, the power circuit of the lighting fixture further comprises:
the wireless control module is provided with a controller, the control circuit and the wireless control module share the same controller, the wireless control module is configured to receive a light-on instruction or a light-off instruction sent by a user through a remote controller or a client of a terminal, and the controller is used for controlling the relay coil to be electrified according to the light-on instruction so as to light the light source or controlling the relay coil to be powered off according to the light-off instruction so as to extinguish the light source.
Optionally, the power circuit of the lighting fixture further comprises:
the electromagnetic interference filtering circuit is provided with an input end and an output end, wherein the input end of the electromagnetic interference filtering circuit is connected with a mains supply and is configured to filter electromagnetic interference signals in mains supply signals;
and the rectifier bridge is provided with an input end and an output end, the input end of the rectifier bridge is connected with the output end of the electromagnetic interference filtering circuit, and the output end of the rectifier bridge is connected with the first contact of the relay and is configured to rectify the power supply signal after the electromagnetic interference signal is filtered.
Optionally, the power circuit of the lighting fixture further comprises:
the power factor correction circuit is connected between the rectifier bridge and the first contact of the relay, the power factor correction circuit is provided with an input end and an output end, the input end of the power factor correction circuit is connected with the output end of the rectifier bridge, the output end of the power factor correction circuit is connected with the first contact of the relay, and the power factor correction circuit is configured to boost a rectified power supply signal and adjust the power factor of a light source;
optionally, the power circuit of the lighting fixture further comprises:
and the power supply driving circuit is provided with an input end and an output end, the input end of the power supply driving circuit receives a light-on command or a light-off command from the wireless control module, and the output end of the power supply driving circuit is connected with the negative electrode of the light source and is configured to drive the light source to be turned on according to the light-on command or drive the light source to be turned off according to the light-off command.
The embodiment of the utility model arranges the relay in the power circuit of the lighting lamp, connects the relay to the anode of the light source of the lighting lamp through the first contact and the second contact, controls the coil of the relay to be powered on and off (i.e. controls the actuation and the disconnection of the relay) by adopting the controller, so that when the controller controls the coil of the relay to be electrified, the first contact and the second contact of the relay are switched on, the light source of the lighting lamp is lightened, when the controller controls the coil of the relay to be powered off, the first contact and the second contact of the relay are disconnected, and the current can not flow to the light source from the anode of the light source at the moment, the utility model adopts the mode of cutting off the current loop on the path of the current flowing to the light source, so that the current can not flow through the light source through the parasitic capacitance, therefore, the problem that the light source is slightly bright due to the fact that commercial power current flows to the light source through the parasitic capacitor when the lighting lamp is turned off is effectively solved. Further, the utility model discloses a control circuit can not increase the extra loss of illumination lamps and lanterns, can not influence the optical characteristic of illumination lamps and lanterns yet.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 illustrates a schematic diagram of parasitic capacitance present after a lighting fixture has been turned off;
FIG. 2 is a schematic diagram illustrating the distribution of parasitic capacitance between the light sources and the chassis of the lighting fixture after the lighting fixture is turned off;
fig. 3 shows a schematic structural diagram of a control circuit according to an embodiment of the present invention;
fig. 4 shows a schematic structural diagram of a power circuit of a lighting fixture according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
In order to solve the technical problem, an embodiment of the present invention provides a control circuit, which is applied to a power circuit of a lighting lamp, and can be applied to a power circuit of a non-isolated driving lighting lamp with a metal chassis, wherein the lighting lamp can be a ceiling lamp, a floor lamp, etc. Referring to fig. 3, the control circuit includes a relay power supply (e.g., 5V power supply in fig. 3), a relay RLY1, a controller (not shown), and a transistor Q1.
The relay RLY1 includes relay coil 11, first contact and second contact, and first contact and second contact concatenate to the positive pole of the light source of lighting fixtures, and relay coil 11 connects between relay power and the collector of triode Q1, and the projecting pole of triode Q1 ground. The "1" end of relay RLY1 in fig. 3 represents the first contact and the "2" end represents the second contact.
The controller has a control pin CON, which is connected to the base of transistor Q1. When the controller receives a light-on command, the triode Q1 is controlled to be conducted, so that the relay coil 11 is enabled to be connected with the relay power supply, and the relay coil 11 controls the first contact and the second contact to be connected and then the light source is lightened. When the controller receives a light-off command, the triode Q1 is controlled to be switched off, the relay coil 11 is powered off, the first contact and the second contact are switched off, current is prevented from flowing into the positive electrode of the light source, and the light source is turned off. In this embodiment, the transistor Q1 also has a current amplifying function, so that when the transistor Q1 is turned on, it can ensure that a sufficient current flows through the collector by amplifying the input current, and the relay coil 11 can effectively control the first contact and the second contact to be connected after the relay power supply is switched on.
The embodiment of the utility model provides an in, when controller control relay coil 11 outage, relay RLY 1's first contact and second contact disconnection, the electric current can't follow the anodal flow of light source to the light source this moment, cuts off the electric current on the route of electric current flow direction light source promptly for the electric current can't flow through the light source through parasitic capacitance, thereby commercial current appears the problem that the light source is slightly bright through parasitic capacitance flow direction light source when having avoided lighting fixtures to be closed effectively. Further, the utility model discloses a control circuit can not increase the extra loss of illumination lamps and lanterns, can not influence the optical characteristic of illumination lamps and lanterns yet.
In this embodiment, the collector of the transistor Q1 is connected to the relay coil 11 via a resistor R6, and the base is connected to the control pin CON of the controller via a resistor R5. In addition, the transistor Q1 can be selected from 0.5A/40V transistor. The light source of illumination lamps and lanterns is a plurality of parallelly connected LEDs, like LED1, LED2, LED3 … … LEDn of fig. 3, and the LED that the parameter can be chooseed for use is 3.25V/350mA, the embodiment of the utility model provides a do not do specific restriction to control circuit's triode Q1 and illumination lamps and lanterns's light source.
The embodiment of the utility model provides an in, the controller can adopt the singlechip, can also adopt the controller of other types certainly, the embodiment of the utility model provides a do not specifically limit to this.
In general, after the lighting lamp is turned off, the connection between the lighting lamp and a mains supply is not broken, because a parasitic capacitor on the lighting lamp has the function of blocking direct current and alternating current, and the withstand voltage value of a light source of the lighting lamp is very low, the voltage of alternating current flowing into the light source is high, so that the light source is easy to have soft breakdown. If the light source has soft breakdown, there will be current flowing into the light source from the negative electrode of the light source after the lighting fixture is turned off, which will also cause the light source to be slightly bright.
For further avoiding the problem that the light source is bright a little after the illumination lamps and lanterns are closed, the embodiment of the utility model provides a can also set up blocking diode D3 in the control circuit shown in fig. 3 to block diode D3 and establish ties to the negative pole of light source, block diode D3 and can adopt high voltage diode usually, can avoid the light source soft breakdown to appear effectively. When the lighting fixture is turned off and the light source is extinguished, the blocking diode D3 may effectively prevent current from flowing into the light source from the negative pole of the light source.
Therefore, the embodiment of the utility model provides a through the anodal relay RLY1 that concatenates at the light source, the negative pole of light source concatenates blocking diode D3 to can follow the anodal and the negative pole position department of light source and cut off the current loop of light source after the lighting lamp closes, appear slightly bright with avoiding the light source effectively.
The utility model discloses an in an embodiment, if the illumination lamps and lanterns adopt the wireless control mode to realize on-off control, the power supply circuit of illumination lamps and lanterns can also include wireless control module (not shown in fig. 3), and wireless control module includes the controller, and control circuit can share same controller with wireless control module, and triode Q1's base is connected to the controller in the wireless control module. The wireless control module can communicate with a remote controller or a client of a terminal, a user sends a light-on instruction or a light-off instruction to the wireless control module through the remote controller or the client of the terminal, and then the controller in the wireless control module controls the relay coil 11 to be electrified according to the light-on instruction, so that a light source is turned on, or controls the relay coil 11 to be powered off according to the light-off instruction, so that the light source is turned off.
In another embodiment of the present invention, the controller of the control circuit may not share the same controller with the wireless control module, and the controller of the control circuit is disposed in the power module (not shown in fig. 3) of the lighting fixture. When the wireless control module receives a light-on instruction or a light-off instruction sent by a user through a remote controller or a client of the terminal, the light-on instruction or the light-off instruction is sent to the controller in the power module. The controller controls the relay coil 11 to be turned on or off.
Of course, if the lighting fixture is controlled by a wired control method and the wall switch is used to turn off or turn on the lighting fixture, the light-on command or the light-off command generated when the wall switch is triggered to operate can be directly sent to the controller. The utility model discloses do not specifically prescribe a limit to the source that the controller received the instruction of turning on the light or the instruction of turning off the light.
Based on the same conception, the embodiment of the present invention further provides a power circuit of a lighting fixture, see fig. 4, the power circuit of the lighting fixture includes a light source (such as the serially connected LED1, LED2, LED3 … … LEDn shown in fig. 4) and the control circuit 20 in any of the above embodiments, the relay RLY1 of the control circuit 20 is serially connected to the positive pole of the light source through the first contact and the second contact, the relay coil 11 is connected to the relay power supply, the electric coil 11 controls the first contact and the second contact to be connected, then the light source is turned on, the first contact and the second contact are disconnected after the relay coil 11 is powered off, and the current is prevented from flowing into the positive pole of the light source, at this time, the light source is turned off. The blocking diode D3 of the control circuit is connected in series to the negative pole of the light source to prevent current from flowing into the negative pole of the light source when the light source is off. In this embodiment, each LED may be selected as the LED with a parameter of 3.25V/350mA, which is not limited by the present invention.
The utility model discloses an in an embodiment, if the illumination lamps and lanterns can adopt the wireless control mode to realize on-off control, can include wireless control module 30 and power module among the power supply circuit of illumination lamps and lanterns, the controller of being connected with triode Q1's base sets up in power module, wireless control module 30 can receive the instruction of turning on the light or the instruction of turning off the light that the user sent through the customer end at remote controller or terminal, then wireless control module 30 will turn on the light instruction or turn off the light instruction and send the controller in power module, and then the controller among the power module can be controlled relay RLY 1's circular telegram and outage, and then the point-on or the extinction of control light source, the concrete control process of controller can refer to above embodiment, no longer specifically limited to this.
The utility model discloses an in the embodiment, if the illumination lamps and lanterns can adopt the wireless control mode to realize on-off control, and wireless control module 30 among the power supply circuit of illumination lamps and lanterns is from taking the controller, then, can also be in addition same controller of control circuit 20 and wireless control module 30 sharing, be about to the controller among the wireless control module 30 is connected to triode Q1's base among the control circuit 20. When the wireless control module 30 receives a light-on instruction or a light-off instruction sent by a user through a remote controller or a client of the terminal, the controller is directly used for controlling the relay coil 11 to be powered on according to the light-on instruction to enable the light source to be lightened, or controlling the relay coil 11 to be powered off according to the light-off instruction to enable the light source to be extinguished.
With continued reference to fig. 4, in an embodiment of the present invention, the power circuit of the lighting fixture may further include an electromagnetic interference filtering circuit 40 and a rectifier bridge 50, and each circuit includes an input end and an output end.
In this embodiment, the input end of the electromagnetic interference filtering circuit 40 is connected to the mains supply, the output end is connected to the input end of the rectifier bridge 50, the electromagnetic interference filtering circuit 40 can filter an electromagnetic interference (EMI) signal in a mains supply signal, that is, an electromagnetic interference signal in an alternating current (ac) (alternating current) provided by the mains supply, and further output the power supply signal after the electromagnetic interference signal is filtered to the input end of the rectifier bridge 50 through its output end.
The output end of the rectifier bridge 50 is connected to the first contact of the relay, and the rectifier bridge 50 receives the power signal from which the electromagnetic interference signal is filtered through the input end, rectifies the power signal, and outputs the rectified power signal to the input end of the power factor correction circuit 60 through the output end thereof.
Continuing to refer to fig. 4, in the utility model discloses in another embodiment, when the Power of lighting fixture's Power supply circuit is greater than 25W, for the Power Factor that improves lighting fixture and reduce lighting fixture's harmonic, Power Factor Correction circuit 60 can also be set up in lighting fixture's Power supply circuit, Power Factor Correction circuit 60 is connected between the first contact of rectifier bridge 50 and relay, Power Factor Correction circuit 60 has input and output, relay RLY 1's first contact is connected to Power Factor Correction circuit 60's output, Power Factor Correction circuit 60 receives the Power signal after the rectification through the input after, boost to Power signal and to the Active Power Factor Correction (APFC) of light source.
In this embodiment, the power factor correction circuit 60 includes an active power factor correction control IC (APFC control IC) having a control terminal, a resistor R2, a MOS transistor Q1, a transformer T1, and a diode D1, wherein a gate of the MOS transistor Q1 is connected to the control terminal of the APFC control IC through a resistor R2, a source is grounded, a drain is connected between an anode of the diode and a primary side 5 of a transformer T1, a cathode of the diode D1 is connected to a first contact of a relay RLY1, a primary side 3 of the transformer T1 is connected to an output terminal of the rectifier bridge 50, and a secondary side 6 of the transformer T1 is grounded. The power factor correction circuit 60 can increase the voltage of the rectified power signal by 400V, and can also effectively improve the power factor of the lighting fixture and reduce the existing harmonic waves of the lighting fixture.
With reference to fig. 4, in another embodiment of the present invention, the power circuit of the lighting fixture may further include a power driving circuit 70, an input end of the power driving circuit 70 receives the light-on command or the light-off command from the wireless control module 30, an output end of the power driving circuit is connected to a negative electrode of the light source, and the power driving circuit 70 may drive the light source to be turned on according to the light-on command or drive the light source to be turned off according to the light-off command.
In this embodiment, the power control IC of the power driving circuit 70 has a control terminal, and the power driving circuit 70 further includes a resistor R1, a MOS transistor Q2, a resistor R3, a transformer T2, and a diode D2, wherein a gate of the MOS transistor Q2 is connected to the control terminal of the power control IC through a resistor R1, a source is grounded through a resistor R3, a drain is connected to an anode of the diode D2 and a 10-pin of a primary side of the transformer T2, a cathode of the diode D2 is connected between a cathode of the diode D1 and a first contact of the relay RLY1, a 6-pin of the primary side of the transformer T2 is connected to a cathode of the blocking diode D3, a 3-pin of a secondary side of the transformer T2 is grounded, and a 5-pin is connected to a zero. The power driving circuit 70 may drive the light source to be turned off or turned on according to the light-on command or the light-off command of the wireless control module 30, and may perform a voltage-reducing and constant-current function on the circuit. In this embodiment, the wireless control module 30 sends a light-off command or a light-on command to the power control IC of the power drive circuit 70, and sends the command in a PWM (Pulse width modulation) format.
The power supply circuit of the lighting lamp further comprises a capacitor C1 and a capacitor C2, the positive electrode of the capacitor C1 is connected with the negative electrode of the diode D1, the negative electrode of the capacitor C1 is grounded, the positive electrode of the capacitor C2 is connected between the negative electrode of the diode D2 and the first contact of the relay RLY1, and the negative electrode of the capacitor C2 is connected with the negative electrode of the blocking diode D3.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments can be modified or some or all of the technical features can be equivalently replaced within the spirit and principles of the present invention; such modifications and substitutions do not depart from the scope of the present invention.
Claims (9)
1. A control circuit is applied to a power supply circuit of a lighting lamp and is characterized by comprising a relay power supply, a relay, a controller and a triode, wherein,
the relay comprises a relay coil, a first contact and a second contact, the first contact and the second contact are connected in series to the positive electrode of the light source of the lighting lamp, the relay coil is connected between a relay power supply and the collector electrode of the triode, and the emitter electrode of the triode is grounded;
the controller is provided with a control pin, the control pin is connected with a base electrode of the triode and is configured to control the conduction of the triode when a light-on command is received, so that a relay coil is switched on a relay power supply, and the relay coil controls the light source to be lightened after the first contact and the second contact are switched on; and when a light-off instruction is received, the triode is controlled to be disconnected, so that the coil of the relay is powered off, the first contact and the second contact are disconnected, current is prevented from flowing into the anode of the light source, and the light source is extinguished.
2. The control circuit of claim 1, further comprising:
a blocking diode connected in series to a negative electrode of the light source and configured to block current from flowing into the negative electrode of the light source when the light source is extinguished.
3. The control circuit according to claim 1 or 2,
the power supply circuit of the lighting lamp further comprises a wireless control module, wherein the wireless control module comprises a controller and is configured to receive a light-on instruction or a light-off instruction of an external remote controller or a client of the terminal;
the control circuit and the wireless control module share the same controller, and the base electrode of the triode is connected to the controller in the wireless control module.
4. A power supply circuit for a lighting fixture, comprising:
a light source;
the control circuit of claim 2 or 3, wherein a relay of the control circuit is connected in series to the positive pole of the light source through a first contact and a second contact, the relay coil is powered on, the relay coil controls the light source to be turned on after the first contact and the second contact are powered on, the relay coil is powered off, the first contact and the second contact are disconnected and prevent current from flowing into the positive pole of the light source, and the light source is turned off;
a blocking diode of the control circuit connected in series to a negative electrode of the light source and configured to prevent current from flowing into the negative electrode of the light source when the light source is extinguished.
5. The power supply circuit of claim 4, further comprising a wireless control module and a power module, wherein the controller connected to the base of the transistor is disposed in the power module,
the wireless control module is configured to receive a light-on instruction or a light-off instruction sent by a user through a remote controller or a client of the terminal, and send the light-on instruction or the light-off instruction to the controller in the power module.
6. The power supply circuit of a lighting fixture of claim 4, further comprising:
the wireless control module is provided with a controller, the control circuit and the wireless control module share the same controller, the wireless control module is configured to receive a light-on instruction or a light-off instruction sent by a user through a remote controller or a client of a terminal, and the controller is used for controlling the relay coil to be electrified according to the light-on instruction so as to light the light source or controlling the relay coil to be powered off according to the light-off instruction so as to extinguish the light source.
7. The power supply circuit of a lighting fixture as recited in claim 5 or claim 6, further comprising:
the electromagnetic interference filtering circuit is provided with an input end and an output end, wherein the input end of the electromagnetic interference filtering circuit is connected with a mains supply and is configured to filter electromagnetic interference signals in mains supply signals;
and the rectifier bridge is provided with an input end and an output end, the input end of the rectifier bridge is connected with the output end of the electromagnetic interference filtering circuit, and the output end of the rectifier bridge is connected with the first contact of the relay and is configured to rectify the power supply signal after the electromagnetic interference signal is filtered.
8. The power supply circuit of a lighting fixture of claim 7, further comprising:
and the power factor correction circuit is connected between the rectifier bridge and the first contact of the relay, is provided with an input end and an output end, the input end of the power factor correction circuit is connected with the output end of the rectifier bridge, and the output end of the power factor correction circuit is connected with the first contact of the relay and is configured to boost the rectified power supply signal and adjust the power factor of the light source.
9. The power supply circuit of a lighting fixture of claim 7, further comprising:
and the power supply driving circuit is provided with an input end and an output end, the input end of the power supply driving circuit receives a light-on command or a light-off command from the wireless control module, and the output end of the power supply driving circuit is connected with the negative electrode of the light source and is configured to drive the light source to be turned on according to the light-on command or drive the light source to be turned off according to the light-off command.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921580716.8U CN210629929U (en) | 2019-09-20 | 2019-09-20 | Control circuit and power supply circuit of lighting lamp |
| PCT/CN2020/116255 WO2021052475A1 (en) | 2019-09-20 | 2020-09-18 | Control circuit, and power circuit of lighting lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921580716.8U CN210629929U (en) | 2019-09-20 | 2019-09-20 | Control circuit and power supply circuit of lighting lamp |
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| CN210629929U true CN210629929U (en) | 2020-05-26 |
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| CN201921580716.8U Active CN210629929U (en) | 2019-09-20 | 2019-09-20 | Control circuit and power supply circuit of lighting lamp |
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| WO (1) | WO2021052475A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111918466A (en) * | 2020-08-25 | 2020-11-10 | 横店集团得邦照明股份有限公司 | Circuit of voice controller for lighting control refitting and implementation method thereof |
| WO2021052475A1 (en) * | 2019-09-20 | 2021-03-25 | 苏州欧普照明有限公司 | Control circuit, and power circuit of lighting lamp |
| CN114269047A (en) * | 2021-12-27 | 2022-04-01 | 苏州欧普照明有限公司 | Light emitting diode control method and device and lamp |
| CN114286470A (en) * | 2021-12-16 | 2022-04-05 | 六安市国能光电照明有限公司 | Power supply control circuit of intelligent mining lamp |
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| CN115551144A (en) * | 2022-09-30 | 2022-12-30 | 赛尔富电子有限公司 | Shimmer elimination device for high-voltage non-isolated LED lamp and LED lamp |
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| US9425687B2 (en) * | 2013-03-11 | 2016-08-23 | Cree, Inc. | Methods of operating switched mode power supply circuits using adaptive filtering and related controller circuits |
| CN104540285A (en) * | 2014-12-25 | 2015-04-22 | 厦门格绿能光电股份有限公司 | Dali lamp controller |
| CN208891094U (en) * | 2018-07-10 | 2019-05-21 | 黄超 | A kind of LED lamp driving power |
| CN210629929U (en) * | 2019-09-20 | 2020-05-26 | 欧普照明股份有限公司 | Control circuit and power supply circuit of lighting lamp |
-
2019
- 2019-09-20 CN CN201921580716.8U patent/CN210629929U/en active Active
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2020
- 2020-09-18 WO PCT/CN2020/116255 patent/WO2021052475A1/en active Application Filing
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021052475A1 (en) * | 2019-09-20 | 2021-03-25 | 苏州欧普照明有限公司 | Control circuit, and power circuit of lighting lamp |
| CN111918466A (en) * | 2020-08-25 | 2020-11-10 | 横店集团得邦照明股份有限公司 | Circuit of voice controller for lighting control refitting and implementation method thereof |
| CN111918466B (en) * | 2020-08-25 | 2023-08-11 | 横店集团得邦照明股份有限公司 | Circuit of lighting control refitting voice controller and implementation method thereof |
| CN114286470A (en) * | 2021-12-16 | 2022-04-05 | 六安市国能光电照明有限公司 | Power supply control circuit of intelligent mining lamp |
| CN114286470B (en) * | 2021-12-16 | 2023-09-05 | 六安市国能照明股份有限公司 | Power supply control circuit of intelligent industrial and mining lamp |
| CN114269047A (en) * | 2021-12-27 | 2022-04-01 | 苏州欧普照明有限公司 | Light emitting diode control method and device and lamp |
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| WO2021052475A1 (en) | 2021-03-25 |
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