CN218735093U - Dimmable linear LED lamp circuit without stroboscopic effect - Google Patents

Abstract

The utility model discloses a linear LED lamp circuit of no stroboscopic adjustable light, including full-bridge rectifier circuit, the electric current bleeder circuit, the switch dimming circuit, linear stroboscopic circuit and LED luminescent circuit go, the positive pole of electric current bleeder circuit, the positive pole of switch dimming circuit and full-bridge rectifier circuit's positive output are connected, the positive pole of switch dimming circuit and linear stroboscopic circuit goes, the positive pole of LED luminescent circuit connects, the negative pole of LED luminescent circuit and the output of linear stroboscopic circuit go are connected, the negative pole of linear stroboscopic circuit goes and the negative output of switch dimming circuit are connected, the control end of switch dimming circuit and the control end of electric current bleeder circuit connect, the negative pole of switch dimming circuit, the negative pole of electric current bleeder circuit and the negative output of full-bridge rectifier circuit connect; the advantage can compatible phase cut dimmer simultaneously and adjust luminance and wall switch adjusts luminance, and the commonality of adjusting luminance is higher, and the dealer is stock conveniently and user convenient to use.

Description

Non-stroboscopic dimmable linear LED lamp circuit

Technical Field

The utility model relates to a linear LED lamp circuit of can adjusting luminance especially relates to a linear LED lamp circuit of can adjusting luminance of no stroboscopic.

Background

Dimmable linear LED lamps have become popular because of their low cost. Dimmers for dimmable linear LEDs are mainly two types, phase-cut dimmers and wall switches. That is, the existing dimmable linear LED dimming methods are classified into two types, i.e., a phase-cut dimmer, a dimming method, and a wall switch dimming method. Correspondingly, there are two types of existing dimmable LED lamps: the LED lamp of can adjusting luminance that compatible phase cut dimmer was adjusted luminance and the LED lamp of can adjusting luminance of switch that compatible wall switch was adjusted luminance. However, the dimmable LED lamp compatible with the phase-cut dimmer can only be dimmed by the phase-cut dimmer, and the dimmable LED lamp compatible with the wall switch dimmer can only be dimmed by the wall switch. Therefore, the existing dimmable linear LED lamp cannot be compatible with phase-cut dimmer dimming and wall switch dimming at the same time, the dimming universality is not high, and the dealer stock is inconvenient and the user uses the lamp inconveniently.

Disclosure of Invention

The utility model aims to solve the technical problem that a can compatible phase-cut light modulator adjust luminance and wall switch adjusts luminance simultaneously is provided, and the commonality of adjusting luminance is higher, and dealer stock convenience and user convenient to use's no stroboscopic linear LED lamp circuit of can adjusting luminance.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a non-strobe linear LED lamp circuit capable of adjusting light comprises a full-bridge rectifier circuit, a current bleeder circuit, a switch dimming circuit, a linear stroboscopic removing circuit and an LED light-emitting circuit, wherein the full-bridge rectifier circuit is provided with a first input end, a second input end, a positive output end and a negative output end, the full-bridge rectifier circuit is used for converting alternating current voltage accessed by the first input end and the second input end into pulsating direct current voltage to be output between the positive output end and the negative output end, the instantaneous value of the pulsating direct current voltage is equal to the instantaneous absolute value of the alternating current voltage accessed by the full-bridge rectifier circuit, the current bleeder circuit is used for providing required working current for a dimmer when the non-strobe linear LED lamp circuit is connected with the dimmer, the normal work of the dimmer is ensured, and the current bleeder circuit is provided with a positive pole, a control end and a negative pole, the current bleeder circuit sets the conducting state or the cut-off state between the anode and the cathode through an electric signal accessed by the control end of the current bleeder circuit, the switch dimming circuit is provided with the anode, the cathode, a positive output end, a negative output end and the control end, the switch dimming circuit is used for converting the voltage accessed by the anode and the cathode into current with certain size to be output between the positive output end and the negative output end, the switch dimming circuit is provided with a plurality of maximum current values with different sizes which are arranged according to a preset sequence, after the voltage is accessed between the anode and the cathode of the switch dimming circuit, if the anode and the cathode lose electricity and the access voltage is recovered within a preset time, the maximum current value which can be output between the positive output end and the negative output end is reset, setting the maximum current value which is arranged next to the current maximum current value, wherein after the positive electrode and the negative electrode of the switch dimming circuit lose power every time and then restore the process of accessing the voltage within the preset time, the maximum current values which can be output between the positive output end and the negative output end of the switch dimming circuit are changed into the maximum current value which is arranged next to the current maximum current value, if the current maximum current value is arranged at the last position, then after the positive electrode and the negative electrode of the switch dimming circuit lose power and then restore the normal voltage within the preset time, the maximum current value which can be output between the positive output end and the negative output end of the switch dimming circuit is changed into the maximum current value which is arranged at the 1 st position; the linear stroboscopic removing circuit is provided with a positive electrode, a negative electrode and an output end, when a pulsating current is connected between the positive electrode and the negative electrode of the linear stroboscopic removing circuit, the output end outputs a constant current, and the magnitude of the current output by the output end is equal to the average current connected between the positive electrode and the negative electrode of the linear stroboscopic removing circuit; the LED light-emitting circuit is provided with an anode and a cathode, and the light-emitting intensity of the LED light-emitting circuit is in direct proportion to the magnitude of current connected to the anode and the cathode of the LED light-emitting circuit; the positive pole of electric current bleeder circuit the positive pole of switching light modulation circuit and the positive output of full-bridge rectifier circuit connect, the positive output of switching light modulation circuit with the linearity remove the positive pole of stroboscopic circuit the positive pole of LED light emitting circuit connect, the negative pole of LED light emitting circuit with the linearity remove the output of stroboscopic circuit and connect, the linearity remove the negative pole of stroboscopic circuit with the negative output of switching light modulation circuit connect, the control end of switching light modulation circuit with the control end of electric current bleeder circuit connect, the negative pole of switching light modulation circuit the negative pole of electric current bleeder circuit with the negative output of full-bridge rectifier circuit connect.

The switch dimming circuit comprises a first integrated circuit, a first diode, a first capacitor, a second capacitor, a first resistor, a second resistor, a third resistor and a fourth resistor, the reference model of the first integrated circuit is SM2213EK, the first diode is a rectifier diode, the anode of the first diode is connected with one end of the first resistor, the connecting end of the first diode is the anode of the switch dimming circuit, the cathode of the first diode is the positive output end of the switch dimming circuit, the 5 th pin and the 6 th pin of the first integrated circuit are connected, the connecting end of the first diode is the negative output end of the switch dimming circuit, the other end of the first resistor is connected with the 8 th pin of the first integrated circuit, one end of the second resistor is connected with one end of the third resistor, and the connection end of the second resistor is the control end of the switch dimming circuit, the other end of the second resistor is connected with the 3 rd pin of the first integrated circuit, the other end of the third resistor, one end of the fourth resistor and the 4 th pin of the first integrated circuit are connected, the 1 st pin of the first integrated circuit is connected with one end of the first capacitor, the 2 nd pin of the first integrated circuit is connected with one end of the second capacitor, the bottom electrode of the first integrated circuit, the other end of the fourth resistor, the other end of the first capacitor and the other end of the second capacitor are connected, and the connection end of the bottom electrode of the first integrated circuit is the negative electrode of the switch dimming circuit.

The current bleeder circuit include fifth resistance and second integrated circuit, the reference model of second integrated circuit be SM2082K, the one end of fifth resistance be the positive pole of current bleeder circuit, the other end of fifth resistance with second integrated circuit's 1 st foot connect, second integrated circuit's 2 nd foot be the negative pole of current bleeder circuit, second integrated circuit's 3 rd foot be the control end of current bleeder circuit.

The current leakage circuit further comprises a switch, at this time, the 3 rd pin of the second integrated circuit is not the control end of the current leakage circuit, the 3 rd pin of the second integrated circuit is connected with one end of the switch, and the other end of the switch is the control end of the current leakage circuit. When the non-stroboscopic dimmable linear LED lamp circuit adopting the current bleeder circuit uses a wall switch to dim light, the connection state of the wall switch is firstly set to be a disconnection state, the luminous efficiency of the non-stroboscopic dimmable linear LED lamp circuit can be greatly improved, and when the non-stroboscopic dimmable linear LED lamp circuit uses a phase-cut dimmer to dim light, the connection state of the switch is set to be connected, so that the dimming effect cannot be influenced.

The linear stroboscopic removing circuit comprises a third capacitor, a fourth capacitor, a sixth resistor and a third integrated circuit, wherein the third capacitor is an electrolytic capacitor, the reference model of the third integrated circuit is SM901, the anode of the third capacitor is connected with one end of the sixth resistor, the connecting end of the anode of the third capacitor is the anode of the linear stroboscopic removing circuit, the other end of the sixth resistor is connected with the 3 rd pin of the third integrated circuit, the connecting end of the sixth resistor is the output end of the linear stroboscopic removing circuit, one end of the fourth capacitor is connected with the 1 st pin of the third integrated circuit, the cathode of the third capacitor, the other end of the fourth capacitor is connected with the 2 nd pin of the third integrated circuit, and the connecting end of the fourth capacitor is the cathode of the linear stroboscopic removing circuit.

Compared with the prior art, the utility model has the advantages of pass through full-bridge rectifier circuit, the current bleeder circuit, the switch dimming circuit, linear stroboscopic circuit and the LED luminescent circuit constitution does not have stroboscopic linear LED lamp circuit of can adjusting luminance, the positive pole of current bleeder circuit, the positive pole of switch dimming circuit and full-bridge rectifier circuit's positive output are connected, the positive pole of switch dimming circuit and linear stroboscopic circuit that goes, the positive pole of LED luminescent circuit is connected, the negative pole of LED luminescent circuit and linear stroboscopic circuit that goes output are connected, the negative pole of linear stroboscopic circuit that goes and the negative output of switch dimming circuit are connected, the control end of switch dimming circuit and the control end of current bleeder circuit are connected, the negative pole of switch dimming circuit, the negative pole of current bleeder circuit and the negative output of full-bridge rectifier circuit are connected; if the non-stroboscopic dimmable linear LED lamp circuit is used as a dimmer to dim light through a wall switch, the non-stroboscopic dimmable linear LED lamp circuit is connected with mains supply through the wall switch at the moment, after the first input end and the second input end of the full-bridge rectifying circuit are connected with the mains supply voltage, direct current voltage is output between the positive output end and the negative output end of the full-bridge rectifying circuit, the magnitude of current output between the positive output end and the negative output end of the switch dimming circuit is the maximum current value of a default arrangement position or the maximum current value of an arrangement position kept before the lamp is turned off last time, the linear stroboscopic removing circuit converts the connected current into constant magnitude of current to drive the LED light-emitting circuit to emit light without stroboscopic light, after the wall switch is turned off and then turned on once, the voltage change process of normal voltage is recovered after once power failure occurs between the positive electrode and the negative electrode of the switch dimming circuit, then the magnitude of output current between the positive output end and the negative output end of the linear stroboscopic light-removing circuit is changed into the next maximum current value, and then, the light-emitting circuit can be turned on once through the wall switch, the operation of turning off and then, the light-emitting circuit can be set, and the light-emitting intensity of the LED light-emitting circuit is set, and the light-emitting circuit, thereby the light-adjusting light-off once, and the light-adjusting of the segmented brightness is realized; if the non-stroboscopic dimmable linear LED lamp circuit is used as a dimmer to dim light through a phase-cut dimmer, at the moment, the non-stroboscopic dimmable linear LED lamp circuit is connected with mains supply through the phase-cut dimmer, after the mains supply voltage is connected to the first input end and the second input end of the full-bridge rectifier circuit, a direct current voltage is output between the positive output end and the negative output end of the full-bridge rectifier circuit, a maximum current value of a default arrangement position or a maximum current value of an arrangement position kept before last lamp-off is output between the positive output end and the negative output end of the switch dimmer circuit, and when the output pulsating direct current voltage is less than or equal to the working voltage of the LED light-emitting circuit in the change process of outputting pulsating direct current voltage by the positive output end and the negative output end of the full-bridge rectifier circuit, the moment that the output current between the positive output end and the negative output end of the switch dimmer circuit is 0, when the phase-cut dimmer normally works, the chopping voltage waveform output by the phase-cut dimmer can be changed by operating the phase-cut dimmer, the time proportion of the time that the absolute value of the voltage loaded between the first input end and the second output end of the full-bridge rectification circuit is greater than the working voltage of the LED luminous circuit in a voltage change period is changed, and the proportion of the current output time of the switching dimming circuit is changed, thereby change the average current size of switch dimmer circuit's positive output and negative output, remove the constant current of stroboscopic circuit transform for corresponding size through linear, make LED lighting circuit's luminance obtain changing, realize adjusting luminance, from this the utility model discloses can be simultaneously compatible cut looks dimmer and adjust luminance and wall switch adjusts luminance, it is higher to adjust luminance the commonality, and the dealer stock is convenient and user convenient to use.

Drawings

Fig. 1 is a schematic block diagram of a non-strobe dimmable linear LED lamp circuit implemented in the present application;

fig. 2 is a circuit diagram of a non-strobe linear LED lamp circuit with adjustable light.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

Example (b): as shown in FIG. 1, a non-stroboscopic dimmable linear LED lamp circuit comprises a full-bridge rectification circuit, a current bleeder circuit, a switch S1 dimming circuit, a linear stroboscopic removing circuit and an LED light-emitting circuit LED, wherein the full-bridge rectification circuit has a first input end, a second input end, a positive output end and a negative output end, the full-bridge rectification circuit is used for converting alternating-current voltages connected to the first input end and the second input end into pulsating direct-current voltages and outputting the pulsating direct-current voltages between the positive output end and the negative output end, an instantaneous value of the pulsating direct-current voltage is equal to an instantaneous absolute value of the alternating-current voltage connected to the full-bridge rectification circuit, the current bleeder circuit is used for providing required working current for a dimmer when the non-stroboscopic dimmable linear LED lamp circuit is connected with the dimmer and ensuring the normal operation of the dimmer, the current bleeder circuit has a positive electrode, a control end and a negative electrode, the current bleeder circuit sets the positive electrode and the negative electrode to be in a conducting state or a blocking state through an electric signal connected to the control end of the current bleeder circuit, the switch S1 dimming circuit is provided with a positive electrode, a negative electrode, a positive output end, a negative output end and a control end, the switch S1 dimming circuit is used for converting the voltage accessed by the positive electrode and the negative electrode into a current with a certain magnitude to be output between the positive output end and the negative output end, a plurality of maximum current values with different magnitudes are arranged in the switch S1 dimming circuit according to a preset sequence, after the voltage is accessed between the positive electrode and the negative electrode of the switch S1 dimming circuit, if the voltage is lost between the positive electrode and the negative electrode and the voltage is recovered within a preset time, the maximum current value capable of being output between the positive output end and the negative output end is reset and is set to be the maximum current value next to the current maximum current value, and the voltage is recovered within the preset time after the positive electrode and the negative electrode of the switch S1 dimming circuit are lost each time After the process, the maximum current value which can be output between the positive output end and the negative output end of the switch S1 dimming circuit is changed into the next-bit maximum current value of the current maximum current value, if the current maximum current value is arranged at the last bit, after the positive electrode and the negative electrode of the switch S1 dimming circuit lose power and then recover normal voltage within preset time, the maximum current value which can be output between the positive output end and the negative output end of the switch S1 dimming circuit is changed into the 1 st-bit maximum current value; the linear stroboscopic removing circuit is provided with a positive electrode, a negative electrode and an output end, when a pulsating current is connected between the positive electrode and the negative electrode of the linear stroboscopic removing circuit, the output end outputs a constant current, and the magnitude of the current output by the output end is equal to the average current connected between the positive electrode and the negative electrode of the linear stroboscopic removing circuit; the LED light-emitting circuit is provided with a positive electrode and a negative electrode, and the light-emitting intensity of the LED light-emitting circuit is in direct proportion to the magnitude of current connected to the positive electrode and the negative electrode of the LED light-emitting circuit; the positive pole of current bleeder circuit, switch S1 dimmer circuit ' S positive pole and full-bridge rectifier circuit ' S positive output are connected, switch S1 dimmer circuit ' S positive output and the positive pole of linear stroboscopic circuit that removes, LED lighting circuit ' S positive pole is connected, LED lighting circuit ' S negative pole and the output of linear stroboscopic circuit that removes are connected, the negative pole of linear stroboscopic circuit and switch S1 dimmer circuit ' S negative output are connected, switch S1 dimmer circuit ' S control end and current bleeder circuit ' S control end are connected, switch S1 dimmer circuit ' S negative pole, current bleeder circuit ' S negative pole and full-bridge rectifier circuit ' S negative output are connected.

In this embodiment, as shown in fig. 2, the switch S1 dimming circuit includes a first integrated circuit U1, a first diode D1, a first capacitor C1, a second capacitor C2, a first resistor R1, a second resistor R2, a third resistor R3, and a fourth resistor R4, the reference model of the first integrated circuit U1 is SM2213EK, the first diode D1 is a rectifier diode, the anode of the first diode D1 is connected to one end of the first resistor R1, the connection end of the first diode D1 is the anode of the switch S1 dimming circuit, the cathode of the first diode D1 is the positive output end of the switch S1 dimming circuit, the 5 th pin and the 6 th pin of the first integrated circuit U1 are connected, the connection end of the first diode D1 is the negative output end of the switch S1 dimming circuit, the other end of the first resistor R1 is connected to the 8 th pin of the first integrated circuit U1, one end of the second resistor R2 is connected with one end of the third resistor R3, and the connection end of the second resistor R2 is the control end of the dimming circuit of the switch S1, the other end of the second resistor R2 is connected with the 3 rd pin of the first integrated circuit U1, the other end of the third resistor R3, one end of the fourth resistor R4 is connected with the 4 th pin of the first integrated circuit U1, the 1 st pin of the first integrated circuit U1 is connected with one end of the first capacitor C1, the 2 nd pin of the second integrated circuit U1 is connected with one end of the second capacitor C2, the bottom electrode of the first integrated circuit U1, the other end of the fourth resistor R4, the other end of the first capacitor C1 and the other end of the second capacitor C2 are connected, and the connection end of the bottom electrode of the first integrated circuit U1 is the negative electrode of the dimming circuit of the switch S1.

In this embodiment, as shown in fig. 2, the current bleeder circuit includes a fifth resistor R5 and a second integrated circuit U2, the reference model of the second integrated circuit U2 is SM2082K, one end of the fifth resistor R5 is the anode of the current bleeder circuit, the other end of the fifth resistor R5 is connected to the 1 st pin of the second integrated circuit U2, the 2 nd pin of the second integrated circuit U2 is the cathode of the current bleeder circuit, and the 3 rd pin of the second integrated circuit U2 is the control end of the current bleeder circuit.

In this embodiment, as shown in fig. 2, the current bleeder circuit further includes a switch S1, at this time, the 3 rd pin of the second integrated circuit U2 is not the control end of the current bleeder circuit, the 3 rd pin of the second integrated circuit U2 is connected to one end of the switch S1, and the other end of the switch S1 is the control end of the current bleeder circuit.

In this embodiment, as shown in fig. 2, the linear stroboscopic removing circuit includes a third capacitor C3, a fourth capacitor C4, a sixth resistor R6 and a third integrated circuit U3, the third capacitor C3 is an electrolytic capacitor, the reference model of the third integrated circuit U3 is SM901, the positive electrode of the third capacitor C3 is connected to one end of the sixth resistor R6, the connection end of the third capacitor C3 is the positive electrode of the linear stroboscopic removing circuit, the other end of the sixth resistor R6 is connected to the 3 rd pin of the third integrated circuit U3, the connection end of the sixth resistor R3 is the output end of the linear stroboscopic removing circuit, one end of the fourth capacitor C4 is connected to the 1 st pin of the third integrated circuit U3, the negative electrode of the third capacitor C3, the other end of the fourth capacitor C4 is connected to the 2 nd pin of the third integrated circuit U3, and the connection end of the third capacitor C3 is the negative electrode of the linear stroboscopic removing circuit. Full-bridge rectifier circuit adopts full-bridge rectifier chip Db to realize, and full-bridge rectifier chip Db's the 1 st foot is full-bridge rectifier circuit's first input, and full-bridge rectifier chip Db's the 3 rd foot is full-bridge rectifier circuit's second input, and full-bridge rectifier chip Db's the 2 nd foot is full-bridge rectifier circuit's positive output, and full-bridge rectifier chip Db's the 4 th foot is full-bridge rectifier circuit's negative output.

Claims (2)

1. A non-strobe linear LED lamp circuit capable of dimming light is characterized by comprising a full-bridge rectification circuit, a current bleeder circuit, a switch dimming circuit, a linear stroboscopic removing circuit and an LED light-emitting circuit, wherein the full-bridge rectification circuit is provided with a first input end, a second input end, a positive output end and a negative output end, the full-bridge rectification circuit is used for converting alternating current voltage accessed by the first input end and the second input end into pulsating direct current voltage to be output between the positive output end and the negative output end, the instantaneous value of the pulsating direct current voltage is equal to the instantaneous absolute value of the alternating current voltage accessed by the full-bridge rectification circuit, the current bleeder circuit is used for providing required working current for a dimmer when the non-strobe linear LED lamp circuit is connected with the dimmer to ensure the normal work of the dimmer, the linear stroboscopic removing circuit is provided with a positive electrode, a negative electrode and an output end, when a pulsating current is connected between the positive electrode and the negative electrode of the linear stroboscopic removing circuit, the output end outputs a constant current, and the magnitude of the current output by the output end is equal to the average current connected between the positive electrode and the negative electrode of the linear stroboscopic removing circuit; the LED light-emitting circuit is provided with a positive electrode and a negative electrode, and the light-emitting intensity of the LED light-emitting circuit is in direct proportion to the magnitude of current connected to the positive electrode and the negative electrode of the LED light-emitting circuit; the positive electrode of the current discharge circuit, the positive electrode of the switch dimming circuit and the positive output end of the full-bridge rectification circuit are connected, the positive output end of the switch dimming circuit is connected with the positive electrode of the linear stroboscopic removing circuit and the positive electrode of the LED light-emitting circuit, the negative electrode of the LED light-emitting circuit is connected with the output end of the linear stroboscopic removing circuit, the negative electrode of the linear stroboscopic removing circuit is connected with the negative output end of the switch dimming circuit, the control end of the switch dimming circuit is connected with the control end of the current discharge circuit, and the negative electrode of the switch dimming circuit, the negative electrode of the full-bridge rectification circuit and the negative output end of the full-bridge rectification circuit are connected;

the switch dimming circuit comprises a first integrated circuit, a first diode, a first capacitor, a second capacitor, a first resistor, a second resistor, a third resistor and a fourth resistor, the reference model of the first integrated circuit is SM2213EK, the first diode is a rectifier diode, the anode of the first diode is connected with one end of the first resistor, the connecting end of the first diode is the anode of the switch dimming circuit, the cathode of the first diode is the positive output end of the switch dimming circuit, the 5 th pin and the 6 th pin of the first integrated circuit are connected, the connecting end of the first diode is the negative output end of the switch dimming circuit, the other end of the first resistor is connected with the 8 th pin of the first integrated circuit, one end of the second resistor is connected with one end of the third resistor, and the connection end of the second resistor is the control end of the switching dimming circuit, the other end of the second resistor is connected with the 3 rd pin of the first integrated circuit, the other end of the third resistor and one end of the fourth resistor are connected with the 4 th pin of the first integrated circuit, the 1 st pin of the first integrated circuit is connected with one end of the first capacitor, the 2 nd pin of the first integrated circuit is connected with one end of the second capacitor, the bottom electrode of the first integrated circuit, the other end of the fourth resistor, the other end of the first capacitor and the other end of the second capacitor are connected, and the connection end of the bottom electrode of the first integrated circuit, the other end of the fourth resistor, the other end of the first capacitor and the other end of the second capacitor is the negative electrode of the switching dimming circuit;

the current bleeder circuit comprises a fifth resistor and a second integrated circuit, the reference model of the second integrated circuit is SM2082K, one end of the fifth resistor is the anode of the current bleeder circuit, the other end of the fifth resistor is connected with the 1 st pin of the second integrated circuit, the 2 nd pin of the second integrated circuit is the cathode of the current bleeder circuit, and the 3 rd pin of the second integrated circuit is the control end of the current bleeder circuit;

the linear stroboscopic removing circuit comprises a third capacitor, a fourth capacitor, a sixth resistor and a third integrated circuit, wherein the third capacitor is an electrolytic capacitor, the reference model of the third integrated circuit is SM901, the anode of the third capacitor is connected with one end of the sixth resistor, the connecting end of the anode of the third capacitor is the anode of the linear stroboscopic removing circuit, the other end of the sixth resistor is connected with the 3 rd pin of the third integrated circuit, the connecting end of the sixth resistor is the output end of the linear stroboscopic removing circuit, one end of the fourth capacitor is connected with the 1 st pin of the third integrated circuit, the cathode of the third capacitor, the other end of the fourth capacitor is connected with the 2 nd pin of the third integrated circuit, and the connecting end of the fourth capacitor is the cathode of the linear stroboscopic removing circuit.

2. The non-strobe dimmable linear LED lamp circuit of claim 1, wherein the current bleeding circuit further comprises a switch, and at this time, pin 3 of the second ic is not the control terminal of the current bleeding circuit, pin 3 of the second ic is connected to one terminal of the switch, and the other terminal of the switch is the control terminal of the current bleeding circuit.

Images