CN115087172A - Lighting drive circuit and lighting apparatus - Google Patents

Abstract

The invention provides an illumination driving circuit and an illumination device, wherein the illumination driving circuit comprises a microwave inductor, a main driving circuit and an emergency driving circuit, when an external power supply is normally input, the main driving circuit controls an illumination lamp to be turned on or turned off according to a microwave induction signal output by the microwave inductor, the emergency driving circuit keeps a stop working state, when the external power supply is turned off, the emergency driving circuit is started, meanwhile, the emergency driving circuit controls the illumination lamp to be turned on when receiving the microwave induction signal representing that the human body is detected to move, and controls the illumination lamp to be turned off when not receiving the microwave induction signal representing that the human body is detected to move, under normal illumination and emergency illumination, the illumination is effectively controlled under the conditions of human existence and no human existence, the intelligent control of emergency illumination is realized, the power consumption of the emergency driving circuit is reduced, and simultaneously, the same lighting lamp is adopted for normal lighting and emergency lighting, so that the lamp cost of the lighting equipment is effectively reduced.

Description

Lighting drive circuit and lighting apparatus

Technical Field

The invention belongs to the technical field of illumination, and particularly relates to an illumination driving circuit and illumination equipment.

Background

Emergency lighting is lighting that is enabled due to a power failure of normal lighting. Emergency lighting differs from general lighting in that it includes: standby lighting, evacuation lighting and safety lighting. The conversion time is determined according to actual engineering and relevant specification. Emergency lighting is an important safety facility for modern public and industrial buildings, which is closely related to personal safety and building safety. When a fire or other disasters happen to a building and the power supply is interrupted, emergency lighting plays an important role in evacuation of personnel, fire rescue work, important production, continuous operation of work or necessary operation and disposal.

The conventional lighting equipment generally adopts two sets of independent lamps to respectively carry out normal lighting and emergency lighting, and is correspondingly provided with two sets of driving circuits, wherein during normal lighting, one set of lamp is controlled to carry out lighting under a normal state, and during power failure, the emergency driving circuit is started and controls the other set of emergency lamp to carry out lighting.

Adopt two sets of independent lamps and lanterns illumination, there is the problem that lamps and lanterns are with high costs, simultaneously, at the emergent drive circuit drive emergency lamps and lanterns start-up emergency of actual power interruption in-process, most of time is out of the invalid illumination of unmanned process, promptly when corresponding the environmental scope, no matter whether appear the human body, the emergent lamps and lanterns remain the state of lighting up all the time, and emergency process can not realize intelligent control, leads to corresponding lighting drive circuit's consumption to improve, has reduced emergency lighting's time of endurance.

Disclosure of Invention

The invention aims to provide a lighting driving circuit, and aims to solve the problems that the traditional lighting driving circuit is high in cost and cannot be intelligently controlled during emergency lighting, so that the power consumption of the corresponding lighting driving circuit is improved.

A first aspect of an embodiment of the present invention provides an illumination driving circuit, including:

the microwave inductor is used for outputting microwave induction signals when the human body movement is detected in the corresponding environment range and stopping outputting the microwave induction signals when the human body movement is not detected in the corresponding environment range;

the microwave induction signal is used for triggering and controlling the lighting lamp to be turned on, and when the microwave induction signal is not received, the main driving circuit is triggered and controls the lighting lamp to be turned off;

the power supply input end of the emergency driving circuit is connected with the corresponding power supply end of the main driving circuit, the power supply output end of the emergency driving circuit and the first power supply output end of the main driving circuit are used for being connected with the power supply end of the lighting lamp in a shared mode, and the signal end of the emergency driving circuit is used for being connected with the signal end of the microwave inductor;

the emergency driving circuit is used for stopping working when the main driving circuit inputs an external power supply normally;

and when the main driving circuit is powered off, the main driving circuit starts working, is triggered by the microwave induction signal to control the lighting lamp to be turned on, and is triggered to control the lighting lamp to be turned off when the microwave induction signal is not received.

Optionally, a power supply end of the microwave inductor is connected to the first power supply output end of the main driving circuit and the power supply output end of the emergency driving circuit respectively;

or the microwave inductor is arranged in the lighting lamp, and a power supply end of the microwave inductor is connected with a power supply end corresponding to the lighting lamp.

Optionally, a power input end of the emergency driving circuit is connected to a power input end of the main driving circuit or a second power output end of the main driving circuit, and the emergency driving circuit includes:

a battery;

the power input end of the charging circuit forms the power input end of the emergency driving circuit, the power output end of the charging circuit is connected with the power end of the battery, and the charging circuit is controlled to convert an input power signal into a charging power supply so as to charge the battery;

the discharging circuit is respectively connected with the battery and the power end of the lighting lamp and is controlled to convert a power signal of the battery into a working power and output the working power to the lighting lamp;

the emergency control circuit is respectively connected with the charging circuit, the discharging circuit and the microwave inductor and is used for controlling the discharging circuit to be switched off when the main driving circuit inputs an external power supply normally;

and starting discharge work when the main driving circuit is powered off, controlling the discharge circuit to output a working power supply under the trigger of the microwave induction signal, and controlling the discharge circuit to stop outputting the working power supply under the trigger of the microwave induction signal when the microwave induction signal is not received.

Optionally, the emergency control circuit includes:

the first detection circuit is connected with the power input end of the charging circuit and is used for detecting the power input state of the charging circuit and outputting a corresponding first detection signal;

the emergency controller is respectively connected with the first detection circuit, the charging circuit and the discharging circuit and is used for triggering and controlling the charging circuit and/or the discharging circuit to be correspondingly switched on and off and to perform charging and discharging work according to the first detection signal.

Optionally, the emergency control circuit further includes:

a plurality of second detection circuits respectively connected to the charging circuit, the battery, and the discharging circuit, the plurality of second detection circuits being configured to respectively detect a charging state of the charging circuit, a charging state of the battery, and a discharging state of the discharging circuit, and respectively output corresponding second detection signals;

the plurality of second detection circuits are further connected with the emergency controller, and the emergency controller is further used for triggering and controlling the charging circuit and/or the discharging circuit to be correspondingly switched on and off and to perform charging and discharging work according to the second detection signals.

Optionally, the main driving circuit includes a first rectifying and filtering circuit, a first power conversion circuit and a second rectifying and filtering circuit, which are connected in sequence, a power input end of the first rectifying and filtering circuit is used for inputting an external power, and a power output end of the second rectifying and filtering circuit is connected with a power supply end of the lighting fixture;

the main driving circuit also comprises a first PWM controller correspondingly connected with the first rectifying and filtering circuit, the first power conversion circuit and the second rectifying and filtering circuit, and the first PWM controller is also connected with the microwave inductor;

the first PWM controller is used for triggering and outputting PWM signals with corresponding duty ratios according to the output states of the microwave induction signals to drive the first power conversion circuit to carry out corresponding power conversion, so that the lighting lamp is controlled to be turned on or turned off through the second rectification filter circuit.

Optionally, the charging circuit includes a third rectifying and filtering circuit, a second power converting circuit and a fourth rectifying and filtering circuit, which are connected in sequence, a power input end of the third rectifying and filtering circuit is used for inputting an external power, and a power output end of the fourth rectifying and filtering circuit is connected with a power supply end of the battery;

the charging circuit further comprises a second PWM controller correspondingly connected with the third rectifying and filtering circuit, the second power conversion circuit and the fourth rectifying and filtering circuit, and the second PWM controller is further connected with the emergency controller;

the second PWM controller is triggered by the control signal output by the emergency controller to output a PWM signal with a corresponding duty ratio to drive the second power conversion circuit to perform corresponding power conversion so as to charge the battery or stop charging through the fourth rectification filter circuit;

or the charging circuit comprises a second power conversion circuit and a fourth rectification filter circuit which are connected in sequence, wherein the power input end of the second power conversion circuit is connected with the second power output end of the main driving circuit, and the power output end of the fourth rectification filter circuit is connected with the power supply end of the battery;

the charging circuit further comprises a second PWM controller correspondingly connected with the second power conversion circuit and the fourth rectifying and filtering circuit, and the second PWM controller is further connected with the emergency controller;

and the second PWM controller is triggered by the control signal output by the emergency controller to output a PWM signal with a corresponding duty ratio to drive the second power conversion circuit to perform corresponding power conversion, so that the battery is charged or the charging operation is stopped through the fourth rectifying and filtering circuit.

Optionally, the charging circuit further comprises:

the plurality of third detection circuits are respectively connected with the second power conversion circuit and the fourth rectifying and filtering circuit, and are used for respectively detecting the input and output states of the second power conversion circuit and the fourth rectifying and filtering circuit and respectively outputting corresponding third detection signals;

and the second PWM controller is also used for outputting a PWM signal with a corresponding duty ratio according to the third detection signal to control the second power conversion circuit to be correspondingly switched on and off.

Optionally, the discharge circuit includes a third power conversion circuit and a fifth rectification filter circuit connected in sequence, a power input end of the third power conversion circuit is connected to a power end of the battery, and a power output end of the fifth rectification filter circuit is connected to a power end of the lighting fixture;

the discharging circuit further comprises a third PWM controller correspondingly connected with a third power conversion circuit and the fifth rectifying and filtering circuit, and the third PWM controller is further connected with the emergency controller;

and the third PWM controller is triggered by the control signal output by the emergency controller to output a PWM signal with a corresponding duty ratio to drive the third power conversion circuit to perform corresponding power conversion, so that the lighting lamp is controlled to be turned on or turned off through the fifth rectifying and filtering circuit.

A second aspect of embodiments of the present invention proposes a lighting device comprising a correspondingly connected lighting fixture and a lighting driving circuit as described above.

Compared with the prior art, the embodiment of the invention has the following beneficial effects: the lighting driving circuit consists of a microwave inductor, a main driving circuit and an emergency driving circuit, when an external power supply is normally input, the main driving circuit controls the lighting lamp to be turned on or turned off according to a microwave induction signal output by the microwave inductor, the emergency driving circuit keeps a working state, when the external power supply is powered off, the emergency driving circuit is started, meanwhile, the emergency driving circuit controls the lighting lamp to be turned on when receiving the microwave induction signal representing that the human body movement is detected, and controls the lighting lamp to be turned off when not receiving the microwave induction signal representing that the human body movement is detected, under normal lighting and emergency lighting, effective control lighting under the conditions of human body presence and no human body is carried out, intelligent control of emergency lighting is realized, the power consumption of the emergency driving circuit is reduced, the effective emergency lighting time of the emergency driving circuit is prolonged, and simultaneously, the same lighting lamp is adopted for normal lighting and emergency lighting, so that the lamp cost of the lighting equipment is effectively reduced.

Drawings

Fig. 1 is a schematic diagram of a first structure of a lighting driving circuit according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a second structure of the lighting driving circuit according to the embodiment of the invention;

fig. 3 is a schematic diagram of a third structure of the lighting driving circuit according to the embodiment of the invention;

fig. 4 is a schematic structural diagram of a lighting fixture according to an embodiment of the present invention;

fig. 5 is a schematic diagram of a fourth structure of the lighting driving circuit according to the embodiment of the invention;

fig. 6 is a schematic diagram of a fifth structure of the lighting driving circuit according to the embodiment of the invention;

fig. 7 is a schematic diagram of a sixth configuration of the lighting driving circuit according to the embodiment of the present invention;

fig. 8 is a schematic diagram illustrating a seventh structure of a lighting driving circuit according to an embodiment of the present invention;

fig. 9 is a schematic diagram of an eighth structure of the lighting driving circuit according to the embodiment of the present invention;

fig. 10 is a schematic diagram illustrating a ninth structure of a lighting driving circuit according to an embodiment of the present invention;

fig. 11 is a schematic diagram of a tenth configuration of the lighting driving circuit according to the embodiment of the present invention;

fig. 12 is a schematic diagram of an eleventh structure of a lighting driving circuit according to an embodiment of the present invention;

fig. 13 is a schematic circuit diagram of a power conversion circuit and a rectifying and filtering circuit of the lighting driving circuit according to the embodiment of the present invention.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

A first aspect of the embodiment of the present invention provides an illumination driving circuit 10, configured to drive an illumination lamp 20 to normally illuminate under a normal condition of an external power supply VIN, and to supply power for emergency when the external power supply VIN is powered off, so as to drive the illumination lamp 20 to perform emergency illumination, where the illumination lamp 20 may be a corresponding illumination lamp, such as a single LED lamp, a lamp panel, or other structures.

As shown in fig. 1 and 2, the lighting driving circuit 10 includes:

the microwave inductor 1 is used for outputting microwave induction signals when human body movement is detected in a corresponding environment range and stopping outputting the microwave induction signals when the human body movement is not detected in the corresponding environment range;

the microwave induction lamp comprises a main drive circuit 2, wherein a power input end of the main drive circuit 2 is used for inputting an external power supply, a first power output end of the main drive circuit 2 is used for being connected with a power supply end of the lighting lamp 20, a signal end of the main drive circuit 2 is used for being connected with a signal end of the microwave inductor 1, and the main drive circuit 2 is triggered by a microwave induction signal to control the lighting lamp 20 to be turned on and trigger the lighting lamp 20 to be turned off when the microwave induction signal is not received;

the power supply input end of the emergency driving circuit 3 is connected with the corresponding power supply end of the main driving circuit 2, the power supply output end of the emergency driving circuit 3 and the first power supply output end of the main driving circuit 2 are used for being connected with the power supply end of the lighting lamp 20 in a common mode, and the signal end of the emergency driving circuit 3 is used for being connected with the signal end of the microwave inductor 1;

the emergency driving circuit 3 is used for stopping working when the main driving circuit 2 inputs an external power supply normally;

and when the main driving circuit 2 is powered off, the microwave induction signal triggers the lighting lamp 20 to light up, and when the microwave induction signal is not received, the lighting lamp 20 is triggered to extinguish.

In this embodiment, the microwave sensor 1 emits electromagnetic waves through the antenna, when it is detected that a human body enters an environment of the electromagnetic waves, the electromagnetic waves are emitted and folded back, the antenna receives a feedback waveform and outputs a corresponding sensing signal, similarly, when it is not detected that the human body enters the environment of the electromagnetic waves, the antenna does not receive the feedback waveform, at this time, the microwave sensor 1 stops outputting the microwave sensing signal, and corresponding to the working principle of microwave sensing, the microwave sensor 1 may adopt structures such as a corresponding microwave antenna and a corresponding microwave switch, and the specific structure is not limited.

In order to realize intelligent illumination under normal illumination and emergency illumination, the microwave inductor 1 is respectively connected with the main drive circuit 2 and the emergency drive circuit 3, and outputs corresponding microwave induction signals to the main drive circuit 2 or the emergency drive circuit 3 during normal illumination and emergency illumination.

Wherein, the emergency driving circuit 3 is used as a standby power module of the main driving circuit 2, the emergency driving circuit and the main driving circuit are connected with the same lighting lamp 20, the lighting lamp 20 is switched to realize normal lighting and emergency lighting functions, two sets of independent lighting lamps 20 are not required to be designed, the design cost of the lighting lamp 20 is reduced, when an external power supply VIN is normally input, the main driving circuit 2 is electrified to start working, when a human body moves to a corresponding environment range, the microwave sensor 1 outputs a microwave sensing signal, the main driving circuit 2 switches to output a corresponding working power supply to the lighting lamp 20 when receiving the microwave sensing signal, and further lights the lighting lamp 20, and when the human body is not detected in the environment range, the main driving circuit 2 does not receive the microwave sensing signal, at the moment, the main driving circuit 2 is switched to a turn-off state, and stops outputting the working power supply to the lighting, the light fixture 20 stops operating.

Meanwhile, when the main driving circuit 2 normally implements the lighting operation, the emergency driving circuit 3 monitors the normal input of the external power VIN, maintains the stop operation state, and stops outputting the operating power to the lighting fixture 20, as shown in fig. 1, the emergency driving circuit 3 may determine whether the external power VIN is powered off according to the input state of the external power VIN, when the emergency driving circuit 3 detects that the external power VIN is input to the power input end of the main driving circuit 2, the emergency driving circuit 3 switches to the off state, stops outputting the operating power to the lighting fixture 20, and when it detects that the external power VIN is not input to the power input end of the main driving circuit 2, that is, the power off state, the emergency driving circuit 3 starts to operate, and simultaneously, correspondingly outputs the operating power to the lighting fixture 20 according to the output state of the microwave sensing signal.

Specifically, under the outage condition, emergency drive circuit 3 and the cooperation work of microwave inductor 1, when the human body removes to corresponding environment within range, microwave inductor 1 output microwave sensing signal, emergency drive circuit 3 conversion output corresponding working power supply to illumination lamps and lanterns 20 when receiving microwave sensing signal, and then light illumination lamps and lanterns 20, and when not detecting the human body in the environment within range, emergency drive circuit 3 does not receive microwave sensing signal, emergency drive circuit 3 switches to the off-state, cut off output working power supply to illumination, illumination lamps and lanterns 20 stop work, under normal illumination and emergency lighting, all carry out the effective control illumination under the manned and unmanned condition, realize emergency lighting intelligent control, the consumption of emergency drive circuit 3 has been reduced, improve emergency drive circuit 3's effective emergency lighting time.

Or as shown in fig. 2, the emergency driving circuit 3 is connected to the second power output terminal of the main driving circuit 2, the power state of the second power output terminal of the main driving circuit 2 is the same as the power state of the power input terminal of the main driving circuit 2, that is, when the external power VIN is input to the power input terminal of the main driving circuit 2, the emergency driving circuit 3 detects that there is a power signal with a corresponding magnitude at the second power output terminal of the main driving circuit 2, and when the external power VIN is not input to the power input terminal of the main driving circuit 2, the emergency driving circuit 3 detects that there is no corresponding power signal at the second power output terminal of the main driving circuit 2.

The emergency driving circuit 3 judges whether the main driving circuit 2 normally inputs the external power supply VIN according to the second power output end of the main driving circuit 2, when detecting that the main driving circuit 2 normally inputs the external power supply VIN, the emergency driving circuit 3 is switched to an off state to stop outputting the working power supply to the lighting lamp 20, and when detecting that the main driving circuit 2 does not input the external power supply VIN, namely, the power-off condition, the emergency driving circuit 3 starts working, when the human body moves to the corresponding environment range, the microwave sensor 1 outputs a microwave sensing signal, the emergency driving circuit 3 switches to output the corresponding working power supply to the lighting lamp 20 when receiving the microwave sensing signal to further light the lighting lamp 20, and when the human body is not detected in the environment range, the emergency driving circuit 3 does not receive the microwave sensing signal, the emergency driving circuit 3 is switched to the off state, the working power supply is output to the lighting at a cut-off state, the lighting lamp 20 stops working, and under normal lighting and emergency lighting, effective control lighting under the condition of people and no people is carried out, so that intelligent control over emergency lighting is achieved, the power consumption of the emergency driving circuit 3 is reduced, and the effective emergency lighting time of the emergency driving circuit 3 is prolonged.

The main driving circuit 2 may employ a corresponding type of switching power supply circuit, such as a buck-boost circuit without a transformer, or a forward power supply circuit with a transformer, a flyback power supply circuit, etc., and the specific structure is not limited, and the corresponding switching power supply circuit outputs or stops outputting the working power supply according to the input state of the external power supply VIN and the microwave sensing signal.

The emergency driving circuit 3 is started when no external power source VIN is input, a switching power supply circuit with an energy storage module may be adopted, for example, the switching power supply circuit includes a charging and discharging circuit, a battery 31, and the like, and the specific structure is not limited, when the external power source VIN is normally input, the external power source VIN is input to charge and store energy, or the main driving circuit 2 charges and store energy, and when the external power source VIN is not input, the corresponding working power source is discharged and converted to the lighting fixture 20.

The external power source VIN may be an ac power source or a dc power source, such as a commercial power source, a power grid power source, etc., and the specific type is not limited.

The microwave inductor 1 maintains a normal microwave induction function when an external power source VIN is input or powered off, and may be provided with an energy storage module such as a battery 31, or take power through the main driving circuit 2, the emergency driving circuit 3, or the lighting fixture 20, optionally, as shown in fig. 3, a power supply end of the microwave inductor 1 is connected to a first power output end of the main driving circuit 2 and a power output end of the emergency driving circuit 3, respectively, or as shown in fig. 4 and 5, the microwave inductor 1 is arranged inside the corresponding lighting fixture 20, and takes power from a power supply end corresponding to the lighting fixture 20.

In this embodiment, the operating power of the microwave inductor 1 is less than the operating power of the lighting fixture 20, for example, the operating power of the microwave inductor 1 is 500mW, the operating power of the lighting fixture 20 is 12W, the power source end of the microwave inductor 1 is respectively connected to the first power source output end of the main driving circuit 2 and the power source output end of the emergency driving circuit 3, or the microwave inductor 1 is disposed inside the corresponding lighting fixture 20, the power source end corresponding to the lighting fixture 20 takes power, when the external power source VIN is normally input, the main driving circuit 2 converts and outputs the operating power corresponding to the operating power of the microwave inductor 1, the microwave inductor 1 and the lighting fixture 20 are both powered on, at this time, the microwave inductor 1 starts to operate, the lighting fixture 20 keeps a turned-off state, when the microwave inductor 1 detects a human body, the main driving circuit 2 outputs the operating power corresponding to the operating power of the lighting fixture 20 to the lighting fixture 20, when the lighting lamp 20 is turned on, the microwave inductor 1 is powered on to work, and no human body is detected, the main driving circuit 2 outputs a working power supply corresponding to the working power of the microwave inductor 1 to the lighting lamp 20 and the microwave inductor 1, the microwave inductor 1 continuously keeps a working state, and the lighting lamp 20 keeps an off state.

Meanwhile, when the external power source VIN is powered off, the emergency driving circuit 3 converts and outputs a working power source corresponding to the working power of the microwave inductor 1, the microwave inductor 1 and the lighting lamp 20 are both powered on, at this time, the microwave inductor 1 starts to work, the lighting lamp 20 keeps a turned-off state, when the microwave inductor 1 detects a human body, the emergency driving circuit 3 outputs the working power source corresponding to the working power of the lighting lamp 20 to the lighting lamp 20, the lighting lamp 20 is turned on, the microwave inductor 1 is powered on to work, and when the human body is not detected, the emergency driving circuit 3 outputs the working power source corresponding to the working power of the microwave inductor 1 to the lighting lamp 20 and the microwave inductor 1, the microwave inductor 1 continues to keep the working state, and the lighting lamp 20 keeps the turned-off state.

Compared with the prior art, the embodiment of the invention has the following beneficial effects: the lighting driving circuit 10 is composed of a microwave inductor 1, a main driving circuit 2 and an emergency driving circuit 3, when an external power supply is normally input, the main driving circuit 2 controls the lighting lamp 20 to be turned on or off according to a microwave induction signal output by the microwave inductor 1, the emergency driving circuit 3 keeps a working state, when the external power supply is powered off, the emergency driving circuit 3 is started, meanwhile, the emergency driving circuit 3 controls the lighting lamp 20 to be turned on when receiving the microwave induction signal representing that the human body moves, and controls the lighting lamp 20 to be turned off when not receiving the microwave induction signal representing that the human body moves, under normal lighting and emergency lighting, effective control lighting under the condition of people and no people is carried out, intelligent control of emergency lighting is realized, the power consumption of the emergency driving circuit is reduced, and the effective emergency lighting time of the emergency driving circuit is prolonged, meanwhile, the same illuminating lamp is adopted for normal illumination and emergency illumination, and the lamp cost of the illuminating equipment is effectively reduced.

As shown in fig. 6 and 7, optionally, the power input terminal of the emergency driving circuit 3 is connected to the power input terminal of the main driving circuit 2 or the second power output terminal of the main driving circuit 2, and the emergency driving circuit 3 includes:

a battery 31;

the power input end of the charging circuit 32 forms the power input end of the emergency driving circuit 3, the power output end of the charging circuit 32 is connected with the power end of the battery 31, and the charging circuit 32 is controlled to convert an input power signal into a charging power source so as to charge the battery 31;

the discharging circuit 33 is respectively connected with the battery 31 and the power supply end of the lighting lamp 20, and the discharging circuit 33 is controlled to convert the power supply signal of the battery 31 into a working power supply and output the working power supply to the lighting lamp 20;

the emergency control circuit 34 is respectively connected with the charging circuit 32, the discharging circuit 33 and the microwave inductor 1, and the emergency control circuit 34 is used for controlling the discharging circuit 33 to be turned off when the external power supply VIN is normally input into the main driving circuit 2;

and when the main driving circuit 2 is powered off, the discharging operation is started, the discharging circuit 33 is triggered and controlled to output the working power supply by the microwave induction signal, and the discharging circuit 33 is triggered and controlled to stop outputting the working power supply when the microwave induction signal is not received.

In this embodiment, when the charging circuit 32 is connected to the power input terminal of the main driving circuit 2, the emergency control circuit 34 determines whether the external power VIN is normally input according to the input power state of the charging circuit 32, and determines whether to control the discharging circuit 33 to convert the output working power to the lighting fixture 20 by combining the microwave sensing signal.

Specifically, when the external power VIN is normally input, the main driving circuit 2 starts to operate, when a human body moves to a range corresponding to an environment, the microwave sensor 1 outputs a microwave sensing signal, the main driving circuit 2 converts and outputs a working power corresponding to the working power of the lighting fixture 20 to the lighting fixture 20 when receiving the microwave sensing signal, and then lights the lighting fixture 20, and when the human body is not detected in the range, the main driving circuit 2 does not receive the microwave sensing signal, at this time, the main driving circuit 2 switches to a low power output state, outputs the working power corresponding to the working power of the microwave sensor 1 to the lighting fixture 20, and the lighting fixture 20 keeps an off state.

Meanwhile, when the main driving circuit 2 is normally operated, the emergency control circuit 34 controls the charging circuit 32 to start charging operation to charge the battery 31, and when the battery 31 is fully charged or the battery 31 is abnormal, controls the charging circuit 32 to stop charging, and detects that an external power supply VIN is input to the power input terminal of the main driving circuit 2, the emergency control circuit 34 stops discharging operation and controls the discharging circuit 33 to keep an off state, meanwhile, when it detects that the external power supply VIN is not input to the power input terminal of the main driving circuit 2, i.e. a power-off condition, the emergency control circuit 34 starts discharging operation and controls the discharging circuit 33 to perform discharge conversion, when a human body moves to a range corresponding to the environment, the microwave inductor 1 outputs a microwave induction signal, the emergency control circuit 34 controls the discharging circuit 33 to convert and output an operating power corresponding to the lighting fixture 20 when receiving the microwave induction signal to the lighting fixture 20, and then the lighting lamp 20 is lighted, the charging circuit 32 is controlled to perform corresponding charging work, and when a human body is not detected in an environment range, the emergency control circuit 34 does not receive a microwave induction signal, the emergency control circuit 34 controls the discharging circuit 33 to be switched to a low-power output state, and outputs a working power supply corresponding to the working power of the microwave inductor 1 to the lighting lamp 20, the lighting lamp 20 keeps an off state, effective control lighting under the condition of people and no people is performed, intelligent control of emergency lighting is realized, the power consumption of the emergency driving circuit 3 is reduced, and the effective emergency lighting time of the emergency driving circuit 3 is prolonged.

Or as shown in fig. 7, the charging circuit 32 is connected to the second power output terminal of the main driving circuit 2, the power state of the second power output terminal of the main driving circuit 2 is the same as the power state of the power input terminal of the main driving circuit 2, the emergency control circuit 34 determines whether the external power VIN is normally input according to the input power state of the charging circuit 32, when it is indirectly detected that the external power VIN is input to the power input terminal of the main driving circuit 2, the emergency control circuit 34 controls the discharging circuit 33 to switch to the off state or to the low power output state, outputs the working power corresponding to the working power of the microwave inductor 1 to the lighting fixture 20, the lighting fixture 20 keeps the off state, and at the same time, controls the charging circuit 32 to perform the corresponding charging operation, and when it is detected that the external power is input to the power input terminal of the main driving circuit 2, the emergency control circuit 34 stops the discharging operation, and controls the discharge circuit 33 to keep an off state, when detecting that the main driving circuit 2 does not input an external power source VIN, that is, a power-off condition, the emergency control circuit 34 starts to operate, when a human body moves to a corresponding environment range, the microwave sensor 1 outputs a microwave sensing signal, the emergency control circuit 34 controls the discharge circuit 33 to switch and output a working power source corresponding to the working power of the lighting fixture 20 to the lighting fixture 20 when receiving the microwave sensing signal, and further lights the lighting fixture 20, and when the human body is not detected in the environment range, the emergency control circuit 34 does not receive the microwave sensing signal, the emergency control circuit 34 controls the discharge circuit 33 to switch to a low power output state, and outputs the working power source corresponding to the working power of the microwave sensor 1 to the lighting fixture 20, the lighting fixture 20 keeps an off state, and performs effective control lighting under the presence or absence of a person, realize emergency lighting intelligent control, reduced emergency drive circuit 3's consumption, improved emergency drive circuit 3's effective emergency lighting time.

The emergency control circuit 34 performs redundant power supply control according to the input state of the charging circuit 32, and as shown in fig. 8, taking the power input terminal of the charging circuit 32 and the power input terminal of the main driving circuit 2 as an example, corresponding to the operation principle of the emergency control circuit 34, optionally, the emergency control circuit 34 includes:

the first detection circuit 341, the first detection circuit 341 is connected to the power input end of the charging circuit 32, and is configured to detect the power input state of the charging circuit 32 and output a corresponding first detection signal;

the emergency controller 342 is connected to the first detection circuit 341, the charging circuit 32, and the discharging circuit 33, and the emergency controller 342 is configured to trigger and control the charging circuit 32 and/or the discharging circuit 33 to be turned on or off and to perform charging and discharging operations according to the corresponding first detection signal.

In this embodiment, the first detection circuit 341 may be a corresponding current detection circuit, voltage detection circuit, etc. and outputs a corresponding first detection signal according to the input voltage and/or input current state of the charging circuit 32, for example, when the external power source VIN is input, the power input terminal of the charging circuit 32 has a voltage signal and a current signal of corresponding magnitude, the first detection circuit 341 switches to output a first level signal, and when the external power source VIN is not input, the power input terminal of the charging circuit 32 does not input a voltage signal and a current signal of corresponding magnitude, the first detection circuit 341 turns off to output the first level signal, or switches to output a second level signal of a level opposite to the first level signal.

Meanwhile, the emergency controller 342 triggers and controls the charging circuit 32 and the discharging circuit 33 to operate according to the received first level signal or the second level signal, that is, when the first level signal is received, the charging circuit 32 is controlled to charge, and the charging is stopped when the battery 31 is fully charged or abnormal, and when the first level signal or the second level signal is not received, the discharging circuit 33 is controlled to perform the discharging operation, and the operating power with the corresponding size is converted and output to the lighting fixture 20.

In order to realize charging and discharging protection and battery 31 protection, as shown in fig. 9, optionally, the emergency control circuit 34 further includes:

the plurality of second detection circuits 343, the plurality of second detection circuits 343 are connected with charging circuit 32, battery 31 and discharging circuit 33 separately, the plurality of second detection circuits 343 are used for detecting the charging state of charging circuit 32, the state of charge of battery 31 and the discharging state of discharging circuit 33 separately, and output the corresponding second detection signal separately;

the plurality of second detection circuits 343 are further connected to the emergency controller 342, and the emergency controller 342 is further configured to trigger and control the charging circuit 32 and/or the discharging circuit 33 to be turned on and off and perform charging and discharging operations according to the corresponding second detection signals.

In this embodiment, the second detection circuit 343 is configured to detect whether the charging circuit 32 and the discharging circuit 33 are short-circuited or open-circuited, and whether the battery 31 is overcharged, overdischarged, overcurrent, or overvoltage, and when one or more of the abnormal states occur, control the charging circuit 32 and/or the discharging circuit 33 to be turned on or off correspondingly, or improve or reduce parameters such as corresponding charging current, discharging current, charging voltage, and discharging voltage through charging and discharging conversion, so as to implement abnormal protection for the charging circuit 32, the battery 31, and the discharging circuit 33, and improve the safety and reliability of the emergency driving circuit 3.

Corresponding to different detection contents of the second detection circuit 343, the second detection circuit 343 may employ a corresponding current detection circuit, a corresponding voltage detection circuit, and the like, and the specific structure is not limited.

The emergency controller 342 may be a processor, a controller, etc. of a corresponding type, and the specific type and type are not limited.

As shown in fig. 10, optionally, the main driving circuit 2 includes a first rectifying and filtering circuit 21, a first power converting circuit 22 and a second rectifying and filtering circuit 23 connected in sequence, a power input end of the first rectifying and filtering circuit 21 is used for inputting an external power VIN, and a power output end of the second rectifying and filtering circuit 23 is connected to a power supply end of the lighting fixture 20;

the main driving circuit 2 further comprises a first PWM controller 24 correspondingly connected with the first rectifying and filtering circuit 21, the first power conversion circuit 22 and the second rectifying and filtering circuit 23, and the first PWM controller 24 is further connected with the microwave inductor 1;

and the first PWM controller 24 is configured to trigger and output a PWM signal with a corresponding duty ratio according to the output state of the microwave sensing signal to drive the first power conversion circuit 22 to perform corresponding power conversion, so as to control the lighting fixture 20 to be turned on or turned off through the second rectification filter circuit 23.

In this embodiment, the first rectifying and filtering circuit 21, the first power converting circuit, and the second rectifying and filtering circuit 23 are used to perform power conversion operations of input rectifying and filtering, power converting, and output rectifying and filtering on the input external power VIN.

When an external power supply VIN is input, in an initial state, the first PWM controller 24 outputs a PWM signal with a first duty ratio to the first power conversion circuit 22, the first power conversion circuit 22 performs power conversion, and outputs a working power corresponding to the working power of the microwave inductor 1 to the lighting fixture 20 and the microwave inductor 1 through rectification, filtering and conversion of the second rectification and filtering circuit 23, the lighting fixture 20 keeps an off state, the microwave inductor 1 starts to operate, when the microwave inductor 1 detects that a human body outputs a microwave induction signal, the first PWM controller 24 outputs a PWM signal with a second duty ratio to the first power conversion circuit 22, the first power conversion circuit 22 outputs a working power corresponding to the working power of the lighting fixture 20 to the lighting fixture 20 and the microwave inductor 1 through rectification, and the lighting fixture 20 is turned on.

The first rectifying and smoothing circuit 21 and the second rectifying and smoothing circuit 23 may employ corresponding diode rectifying circuits, smoothing circuits, and the like, for example, in fig. 13, the rectifying and smoothing circuit composed of a third diode D3, a fourth diode D4, and a third capacitor C3 may be employed as the first power conversion circuit 22, a push-pull power conversion circuit, a power conversion circuit with a driving transformer may be employed as the first power conversion circuit, for example, in fig. 13, a power conversion circuit including a transformer T1, a switching tube Q1, a first diode D1, and a second diode D2 is employed, the first PWM controller 24 is correspondingly connected to the switching tube Q1, and the output power of the second rectifying and smoothing circuit 23 is adjusted by outputting PWM signals with different duty ratios.

Optionally, as shown in fig. 10, the charging circuit 32 includes a third rectifying and filtering circuit 321, a second power converting circuit 322, and a fourth rectifying and filtering circuit 323, which are connected in sequence, where a power input end of the third rectifying and filtering circuit 321 is used for inputting an external power VIN, and a power output end of the fourth rectifying and filtering circuit 323 is connected to a power supply end of the battery 31;

the charging circuit 32 further includes a second PWM controller 324 correspondingly connected to the third rectifying and filtering circuit 321, the second power converting circuit 322 and the fourth rectifying and filtering circuit 323, and the second PWM controller 324 is further connected to the emergency controller 342;

the second PWM controller 324 is triggered by the control signal output by the emergency controller 342 to output a PWM signal with a corresponding duty ratio to drive the second power conversion circuit 322 to perform corresponding power conversion, so as to charge the battery 31 through the fourth rectifying and filtering circuit 323 or stop the charging operation.

In this embodiment, the third rectifying and filtering circuit 321, the second power converting circuit, and the fourth rectifying and filtering circuit 323 are used to perform power conversion operations of input rectifying and filtering, power converting, and output rectifying and filtering on the input external power VIN.

When the external power VIN is input, in an initial state, the second PWM controller 324 outputs a PWM signal with a duty ratio corresponding to the magnitude of the input power to the second power conversion circuit 322, the second power conversion circuit 322 performs power conversion, and outputs the charging power to the battery 31 through the rectification, filtering and conversion of the fourth rectification, filtering and conversion circuit 323 to perform charging operation, and after the battery is fully charged, outputs another PWM signal with a duty ratio corresponding to the magnitude of the input power to the second power conversion circuit 322, turns off the second power conversion circuit 322, and stops supplying power.

The third rectifying and smoothing circuit 321 and the fourth rectifying and smoothing circuit 323 may adopt corresponding diode rectifying circuits, smoothing circuits, and the like, for example, in fig. 13, the rectifying and smoothing circuit composed of the third diode D3, the fourth diode D4, and the third capacitor C3 may be adopted as the second power conversion circuit 322, a push-pull power conversion circuit, a power conversion circuit with a driving transformer may be adopted as the second power conversion circuit, for example, in fig. 13, a power conversion circuit of the transformer T1, the switching tube Q1, the first diode D1, and the second diode D2 is adopted, the second PWM controller 324 is correspondingly connected to the switching tube Q1, and the output power of the second power conversion circuit 322 is adjusted by outputting PWM signals with different duty ratios to perform a control operation of charging or stopping charging.

Alternatively, as shown in fig. 11, the charging circuit 32 includes a second power conversion circuit 322 and a fourth rectifying and filtering circuit 323, which are connected in sequence, wherein a power input end of the second power conversion circuit 322 is connected to a second power output end of the main driving circuit 2, and a power output end of the fourth rectifying and filtering circuit 323 is connected to a power supply end of the battery 31;

the charging circuit 32 further includes a second PWM controller 324 correspondingly connected to the second power conversion circuit 322 and the fourth rectifying and filtering circuit 323, and the second PWM controller 324 is further connected to the emergency controller 342;

the second PWM controller 324 is triggered by the control signal output by the emergency controller 342 to output a PWM signal with a corresponding duty ratio to drive the second power conversion circuit 322 to perform corresponding power conversion, so as to charge the battery 31 or stop the charging operation through the fourth rectifying and filtering circuit 323.

In this embodiment, the second power output terminal of the main driving circuit 2 is the power output terminal of the first rectifying and filtering circuit 21, and the second power converting circuit and the fourth rectifying and filtering circuit 323 are used for performing power conversion on the dc power output by the first rectifying and filtering circuit 21 and outputting power conversion work of rectifying and filtering.

When the external power VIN is input, in an initial state, the second PWM controller 324 outputs a PWM signal with a duty ratio corresponding to the magnitude of the input power to the second power conversion circuit 322, the second power conversion circuit 322 performs power conversion, and outputs the charging power to the battery 31 through the rectification, filtering and conversion of the fourth rectification, filtering and conversion circuit 323 to perform charging operation, and after the battery is fully charged, outputs another PWM signal with a duty ratio corresponding to the magnitude of the input power to the second power conversion circuit 322, turns off the second power conversion circuit 322, and stops supplying power.

The fourth rectifying and smoothing circuit 323 may employ a corresponding diode rectifying circuit, a corresponding smoothing circuit, etc., for example, in fig. 13, the rectifying and smoothing circuit composed of the third diode D3, the fourth diode D4 and the third capacitor C3 may be employed as the second power conversion circuit 322, the push-pull power conversion circuit and the power conversion circuit with a driving transformer may be employed as the second power conversion circuit, for example, in fig. 13, the power conversion circuit employing the transformer T1, the switching tube Q1, the first diode D1 and the second diode D2 is employed, the second PWM controller 324 is correspondingly connected to the switching tube Q1, and the output power of the second power conversion circuit 322 is adjusted by outputting PWM signals with different duty ratios, so as to perform the control operation of charging or stopping charging.

Meanwhile, in order to further implement the charging protection, as shown in fig. 12, optionally, the charging circuit 32 further includes:

a plurality of third detection circuits 325, the plurality of third detection circuits 325 being respectively connected to the second power conversion circuit 322 and the fourth rectifying and filtering circuit 323, the plurality of third detection circuits 325 being configured to respectively detect input and output states of the second power conversion circuit 322 and the fourth rectifying and filtering circuit 323 and respectively output corresponding third detection signals;

the second PWM controller 324 is further configured to output a PWM signal with a duty ratio according to the third detection signal to control the second power conversion circuit 322 to be turned on or off correspondingly.

In this embodiment, the emergency controller 342 and the second PWM controller 324 implement redundant charging control, and the third detection circuit 325 is configured to detect whether an abnormal condition such as a short circuit or an open circuit occurs in the charging circuit 32, and when one or more abnormal conditions occur, control the charging circuit 32 to be correspondingly turned on or off, or improve or reduce parameters such as a corresponding charging current and a corresponding charging voltage through charging conversion, thereby implementing abnormal protection on the charging circuit 32 and improving the safety and reliability of the emergency driving circuit 3.

Corresponding to different detection contents of the third detection circuit 325, the second detection circuit 343 may adopt a corresponding current detection circuit, a corresponding voltage detection circuit, and the like, and the specific structure is not limited.

Alternatively, as shown in fig. 11, the discharging circuit 33 includes a third power converting circuit 331 and a fifth rectifying and filtering circuit 332 connected in sequence, a power input terminal of the third power converting circuit 331 is connected to the power terminal of the battery 31, and a power output terminal of the fifth rectifying and filtering circuit 332 is connected to the power terminal of the lighting fixture 20;

the discharging circuit 33 further includes a third PWM controller 333 correspondingly connected to the third power converting circuit 331 and the fifth rectifying and filtering circuit 332, and the third PWM controller 333 is further connected to the emergency controller 342;

the third PWM controller 333 is triggered by the control signal output by the emergency controller 342 to output a PWM signal with a corresponding duty ratio to drive the third power conversion circuit 331 to perform corresponding power conversion, so as to control the lighting fixture 20 to be turned on or turned off through the fifth rectifying and filtering circuit 332.

In this embodiment, the third power conversion circuit and the fifth rectifying and smoothing circuit 332 are used for power conversion of the power signal of the battery 31 and power conversion operation of outputting rectifying and smoothing.

When the emergency driving circuit 3 is started, in an initial state, the first PWM controller 24 outputs a PWM signal with a third duty ratio to the third power conversion circuit 331, the third power conversion circuit 331 performs power conversion, and the working power supply corresponding to the working power of the microwave inductor 1 is rectified, filtered and converted by the fifth rectifying and filtering circuit 332 and output to the lighting lamp 20 and the microwave inductor 1, the lighting lamp 20 keeps the off state, the microwave inductor 1 starts to work, when the microwave inductor 1 detects that the human body outputs the microwave induction signal, the third PWM controller 333 outputs a PWM signal with a fourth duty ratio to the third power conversion circuit 331, and the third power conversion circuit 331 rectifies, filters and converts the PWM signal with the fourth duty ratio by the fifth rectifying and filtering circuit 332 to output a working power corresponding to the working power of the lighting fixture 20 to the lighting fixture 20 and the microwave inductor 1, so that the lighting fixture 20 is turned on.

The fifth rectifying and filtering circuit 332 may adopt a corresponding diode rectifying circuit, a corresponding filtering circuit, and the like, for example, in fig. 13, the rectifying and filtering circuit is composed of a third diode D3, a fourth diode D4, and a third capacitor C3, the third power converting circuit 331 may adopt a push-pull power converting circuit and a power converting circuit with a driving transformer, for example, in fig. 13, the power converting circuit is composed of a transformer T1, a switching tube Q1, a first diode D1, and a second diode D2, and the third PWM controller 333 is connected to the switching tube Q1, and adjusts the output power of the second rectifying and filtering circuit 23 by outputting PWM signals with different duty ratios.

The first PWM controller 24, the second PWM controller 324 and the third PWM controller 333 may adopt corresponding types and models of processors, controls and the like, and the specific structure is not limited.

The present invention further provides an illumination device, which includes an illumination lamp 20 and an illumination driving circuit 10, and the specific structure of the illumination driving circuit 10 refers to the above embodiments, and since the illumination device adopts all technical solutions of all the above embodiments, at least all beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.

In this embodiment, the lighting driving circuit 10 is configured to drive the lighting fixture 20 to normally light under a normal condition of the external power source VIN, and to supply power to the lighting fixture 20 for emergency lighting when the external power source VIN is powered off, where the lighting fixture 20 may be a corresponding lighting fixture, such as a single LED lamp or a lamp panel.

The lighting driving circuit 10 is provided with the microwave inductor 1, the main driving circuit 2 and the emergency driving circuit 3, when the external power supply VIN is normally input, the main driving circuit 2 controls the lighting lamp 20 to be turned on or turned off according to a microwave induction signal output by the microwave inductor 1, and when the external power supply VIN is powered off, the emergency driving circuit 3 switches power supply, meanwhile, the emergency driving circuit 3 controls the lighting lamp 20 to be turned on or turned off according to the microwave induction signal output by the microwave inductor 1, so that the effective control lighting under the condition of people and nobody is carried out, the intelligent control of emergency lighting is realized, the power consumption of the emergency driving circuit 3 is reduced, the effective emergency lighting time of the lighting driving circuit 10 is prolonged, meanwhile, the same lighting lamp is adopted for normal lighting and emergency lighting, and the lamp cost of the lighting equipment is effectively reduced.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.

Claims (10)

1. A lighting driving circuit, comprising:

the microwave inductor is used for outputting microwave induction signals when the human body movement is detected in the corresponding environment range and stopping outputting the microwave induction signals when the human body movement is not detected in the corresponding environment range;

the microwave induction signal is used for triggering and controlling the lighting lamp to be turned on, and when the microwave induction signal is not received, the main driving circuit is triggered and controls the lighting lamp to be turned off;

the power supply input end of the emergency driving circuit is connected with the corresponding power supply end of the main driving circuit, the power supply output end of the emergency driving circuit and the first power supply output end of the main driving circuit are used for being connected with the power supply end of the lighting lamp in a shared mode, and the signal end of the emergency driving circuit is used for being connected with the signal end of the microwave inductor;

the emergency driving circuit is used for stopping working when the main driving circuit inputs an external power supply normally;

and when the main driving circuit is powered off, the main driving circuit starts working, is triggered by the microwave induction signal to control the lighting lamp to be turned on, and is triggered to control the lighting lamp to be turned off when the microwave induction signal is not received.

2. The lighting driving circuit according to claim 1, wherein power supply terminals of the microwave inductor are connected to the first power supply output terminal of the main driving circuit and the power supply output terminal of the emergency driving circuit, respectively;

or the microwave inductor is arranged in the lighting lamp, and a power supply end of the microwave inductor is connected with a power supply end corresponding to the lighting lamp.

3. A lighting driving circuit according to claim 2, wherein the power input of the emergency driving circuit is connected to the power input of the main driving circuit or the second power output of the main driving circuit, the emergency driving circuit comprising:

a battery;

the power input end of the charging circuit forms the power input end of the emergency driving circuit, the power output end of the charging circuit is connected with the power end of the battery, and the charging circuit is controlled to convert an input power signal into a charging power supply so as to charge the battery;

the discharging circuit is respectively connected with the battery and the power end of the lighting lamp and is controlled to convert a power signal of the battery into a working power and output the working power to the lighting lamp;

the emergency control circuit is respectively connected with the charging circuit, the discharging circuit and the microwave inductor and is used for controlling the discharging circuit to be switched off when the main driving circuit inputs an external power supply normally;

and starting discharge work when the main driving circuit is powered off, controlling the discharge circuit to output a working power supply under the trigger of the microwave induction signal, and controlling the discharge circuit to stop outputting the working power supply under the trigger of the microwave induction signal when the microwave induction signal is not received.

4. The lighting driver circuit of claim 3, wherein the emergency control circuit comprises:

the first detection circuit is connected with the power input end of the charging circuit and is used for detecting the power input state of the charging circuit and outputting a corresponding first detection signal;

the emergency controller is respectively connected with the first detection circuit, the charging circuit and the discharging circuit, and is used for triggering and controlling the charging circuit and/or the discharging circuit to be correspondingly switched on and off and to perform charging and discharging work according to the corresponding first detection signal.

5. The lighting driver circuit of claim 4, wherein the emergency control circuit further comprises:

a plurality of second detection circuits respectively connected to the charging circuit, the battery, and the discharging circuit, the plurality of second detection circuits being configured to respectively detect a charging state of the charging circuit, a charging state of the battery, and a discharging state of the discharging circuit, and respectively output corresponding second detection signals;

the plurality of second detection circuits are further connected with the emergency controller, and the emergency controller is further used for triggering and controlling the charging circuit and/or the discharging circuit to be correspondingly switched on and off and to perform charging and discharging work according to the corresponding second detection signals.

6. The lighting driving circuit according to claim 4, wherein the main driving circuit comprises a first rectifying and filtering circuit, a first power converting circuit and a second rectifying and filtering circuit connected in sequence, a power input end of the first rectifying and filtering circuit is used for inputting an external power, and a power output end of the second rectifying and filtering circuit is connected with a power supply end of the lighting fixture;

the main driving circuit further comprises a first PWM controller correspondingly connected with the first rectifying and filtering circuit, the first power conversion circuit and the second rectifying and filtering circuit, and the first PWM controller is further connected with the microwave inductor;

the first PWM controller is used for triggering and outputting PWM signals with corresponding duty ratios according to the output states of the microwave induction signals to drive the first power conversion circuit to carry out corresponding power conversion, so that the lighting lamp is controlled to be turned on or turned off through the second rectification filter circuit.

7. The lighting driving circuit according to claim 6, wherein the charging circuit comprises a third rectifying and filtering circuit, a second power converting circuit and a fourth rectifying and filtering circuit connected in sequence, a power input terminal of the third rectifying and filtering circuit is used for inputting an external power, and a power output terminal of the fourth rectifying and filtering circuit is connected with a power supply terminal of the battery;

the charging circuit further comprises a second PWM controller correspondingly connected with the third rectifying and filtering circuit, the second power conversion circuit and the fourth rectifying and filtering circuit, and the second PWM controller is further connected with the emergency controller;

the second PWM controller is triggered by the control signal output by the emergency controller to output a PWM signal with a corresponding duty ratio to drive the second power conversion circuit to perform corresponding power conversion so as to charge the battery or stop charging through the fourth rectification filter circuit;

or the charging circuit comprises a second power conversion circuit and a fourth rectification filter circuit which are connected in sequence, wherein the power input end of the second power conversion circuit is connected with the second power output end of the main driving circuit, and the power output end of the fourth rectification filter circuit is connected with the power supply end of the battery;

the charging circuit further comprises a second PWM controller correspondingly connected with the second power conversion circuit and the fourth rectifying and filtering circuit, and the second PWM controller is further connected with the emergency controller;

and the second PWM controller is triggered by the control signal output by the emergency controller to output a PWM signal with a corresponding duty ratio to drive the second power conversion circuit to perform corresponding power conversion, so that the battery is charged or the charging operation is stopped through the fourth rectifying and filtering circuit.

8. The lighting driving circuit according to claim 7, wherein the charging circuit further comprises:

the plurality of third detection circuits are respectively connected with the second power conversion circuit and the fourth rectifying and filtering circuit, and are used for respectively detecting the input and output states of the second power conversion circuit and the fourth rectifying and filtering circuit and respectively outputting corresponding third detection signals;

and the second PWM controller is also used for outputting a PWM signal with a corresponding duty ratio according to the third detection signal to control the second power conversion circuit to be correspondingly switched on and off.

9. The lighting driving circuit according to claim 5, wherein the discharging circuit comprises a third power conversion circuit and a fifth rectifying and filtering circuit connected in sequence, a power input terminal of the third power conversion circuit is connected with a power terminal of the battery, and a power output terminal of the fifth rectifying and filtering circuit is connected with a power terminal of the lighting fixture;

the discharging circuit further comprises a third PWM controller correspondingly connected with a third power conversion circuit and the fifth rectifying and filtering circuit, and the third PWM controller is further connected with the emergency controller;

and the third PWM controller is triggered by the control signal output by the emergency controller to output a PWM signal with a corresponding duty ratio to drive the third power conversion circuit to perform corresponding power conversion, so that the lighting lamp is controlled to be turned on or turned off through the fifth rectifying and filtering circuit.

10. An illumination device, characterized by comprising a correspondingly connected illumination lamp and an illumination driving circuit according to any one of claims 1 to 9.

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