CN111542150A

CN111542150A - Human body induction LED lamp circuit with fire-fighting emergency lighting function

Info

Publication number: CN111542150A
Application number: CN202010341564.7A
Authority: CN
Inventors: 徐晓清; 俞贤晓
Original assignee: Yingtan Yankon Lighting Co ltd; Zhejiang Sunlight Illuminating Lamp Co ltd; Zhejiang Yankon Group Co Ltd
Current assignee: Yingtan Yankon Lighting Co ltd; Zhejiang Sunlight Illuminating Lamp Co ltd; Zhejiang Yankon Group Co Ltd
Priority date: 2020-03-17
Filing date: 2020-04-27
Publication date: 2020-08-14

Abstract

The invention discloses a human body induction LED lamp circuit with a fire-fighting emergency lighting function, which comprises an LED main body circuit and a remote control receiving circuit, wherein the LED main body circuit has two delay lighting modes, namely a delay low-brightness lighting mode and a delay light-off mode, when the human body induction lighting function is realized, a detector can send a remote control signal to the remote control receiving circuit through an external remote controller, the remote control receiving circuit converts the remote control signal into a control signal which can be identified by the LED main body circuit and then sends the control signal to the LED main body circuit, the LED main body circuit performs corresponding work under the control of the control signal, and when the remote control signal sent by the detector through an external remote controller is a manual forced detection signal, the LED main body circuit performs forced performance detection according to the requirement of the manual forced detection signal; the advantage is that manual detection convenient operation, and the user can select time delay low-brightness lighting mode or time delay turn off the light mode according to the user demand.

Description

Human body induction LED lamp circuit with fire-fighting emergency lighting function

Technical Field

The invention relates to a human body induction LED lamp circuit, in particular to a human body induction LED lamp circuit with a fire-fighting emergency lighting function.

Background

The human body induction LED lamp has the functions of automatically lighting when a person comes and automatically extinguishing when the person walks, can automatically turn on and off the lamp, is convenient and energy-saving, and is widely applied to public places such as aisles at present.

In order to safely evacuate personnel in case of fire accidents and commercial power abnormality, fire emergency lighting lamps are required to be forcibly installed in some public places (including aisles). The fire-fighting emergency illuminating lamp needs to be kept in a normal working state, so the fire-fighting emergency illuminating lamp is required to be automatically detected regularly, manual inspection is allowed, and sound and light alarm is carried out when the inspection is unqualified.

Human response LED lamp and fire control emergency lighting lamp all require all the time and commercial power keep connecting, and both all install in similar place moreover, so the use that has the human response LED lamp of fire control emergency lighting function that realizes combining the lamp function of two kinds together is more and more extensive.

The existing human body induction LED lamp with the fire-fighting emergency lighting function is generally provided with a manual key switch on the surface of the lamp, so that the manual operation is facilitated, and whether the fire-fighting emergency lighting function is normal or not is tested. However, the LED lamp used as a human body sensor is generally installed at a relatively high place according to the habit, and thus, when the performance needs to be manually detected, the operation is inconvenient. In addition, the existing human body induction LED lamp with the fire emergency lighting function has a delay lighting mode which is fixed and unchangeable after installation, and is difficult to meet the use requirements of various current places.

Disclosure of Invention

The invention aims to solve the technical problem of providing a human body induction LED lamp circuit which is convenient to operate by manual detection and has a fire-fighting emergency lighting function, and a time-delay lighting mode can be adjusted according to use requirements.

The technical scheme adopted by the invention for solving the technical problems is as follows: a human body induction LED lamp circuit with a fire-fighting emergency lighting function comprises an LED main circuit and a remote control receiving circuit, wherein the LED main circuit has two delay lighting modes, namely a delay low-brightness lighting mode and a delay light-off mode, when the human body induction lighting function is realized, when the LED main circuit senses people around and carries out a delay lighting stage, the LED main circuit starts timing and emits light with high brightness for delay lighting, if the LED main circuit senses people again before the timing reaches a unit delay time, the LED main circuit starts timing again, and if the LED main circuit does not sense people again before the timing reaches the unit delay time, the LED main circuit keeps the current timing, until the timing reaches the unit delay time, when the timing reaches the unit delay time, if the current set lighting mode is a delay low-brightness lighting mode, the LED main body circuit is switched to low-brightness lighting for lighting, and if the current set lighting mode is a delay light-off mode, the LED main body circuit is directly turned off; the LED main body circuit is controlled by the intensity of ambient light when the human body induction lighting function is realized, and the LED main body circuit keeps a light-off state when the intensity of the ambient light is higher than a set high intensity; when the ambient light intensity is lower than the set low intensity, the ambient light does not influence the illumination brightness of the LED main body circuit in the human body induction illumination function, and when the ambient light intensity is in the set low intensity and the set high intensity range, the stronger the ambient light is, the illumination brightness of the LED main body circuit in the human body induction illumination function is in inverse proportion to the ambient light intensity, and the stronger the ambient light is, the lower the illumination brightness is; the remote control circuit converts the remote control signal into a control signal which can be identified by the LED main body circuit and then sends the control signal to the LED main body circuit, the LED main body circuit performs corresponding work under the control of the control signal, and the remote control signal is either a signal for setting unit delay time or a signal for setting a delay lighting mode or a manual forced detection signal; the LED main body circuit is internally provided with an automatic detection period according to the detection time requirement of the fire emergency lighting function, the LED main body circuit starts timing after preset specified time of initially accessing commercial power, periodically performs automatic performance detection according to an automatic detection period, when the remote control signal sent by the detection personnel through the external remote controller is a manual forced detection signal, the LED main body circuit carries out forced performance detection according to the requirement of the manual forced detection signal, and restarting timing after the preset specified time after the forced performance detection is finished, and periodically performing the performance automatic detection again according to the automatic detection period, wherein when the LED main body circuit performs the forced performance detection and the performance automatic detection, if the fire emergency lighting function detection result is abnormal, the LED main body circuit warns in at least one of a flashing light mode and a sound mode.

The LED main body circuit comprises a rectifying circuit, a voltage conversion circuit, a human body induction circuit, a fire-fighting emergency lighting circuit, a microprocessor, an ambient light detection circuit, a logic control circuit, a constant current control circuit and an LED light-emitting circuit, wherein the rectifying circuit is provided with a live wire input end, a zero line input end, an output positive electrode and an output negative electrode; the voltage conversion circuit is provided with an input end, an output end and a negative electrode; the remote control receiving circuit is provided with a positive pole, a negative pole and an output end; the human body induction circuit is provided with a positive electrode, a negative electrode and an output end; the fire-fighting emergency lighting circuit is provided with an anode, a cathode, a voltage detection end and a performance detection end, the ambient light detection circuit is provided with an anode, a cathode and an output end, the logic control circuit is provided with a first input end, a second input end, a cathode and an output end, the constant current control circuit is provided with an anode, a cathode, an output end, a first control end and a second control end, the LED light-emitting circuit is provided with an anode and a cathode, and the microprocessor is provided with an anode, a cathode, a remote control input end, an induction input end, an emergency signal end, a first output end and a second output end; the live wire input end of the rectifying circuit is used for connecting the live wire of commercial power, the zero line input end of the rectifying circuit is used for connecting the zero line of the commercial power, the output positive pole of the rectifying circuit, the input end of the voltage conversion circuit, the positive pole of the constant current control circuit, the positive pole of the LED light-emitting circuit, the positive pole of the microprocessor and the voltage detection end of the fire-fighting emergency lighting circuit are connected, the output end of the voltage conversion circuit, the positive pole of the fire-fighting emergency lighting circuit, the positive pole of the remote control receiving circuit and the positive pole of the human body induction circuit are connected with the positive pole of the ambient light detection circuit, the remote control input end of the microprocessor is connected with the output end of the remote control receiving circuit, and the induction input end of the microprocessor is connected with the output end of the human body induction circuit, the emergency signal end of the microprocessor is connected with the performance detection end of the fire-fighting emergency lighting circuit, the first output end of the microprocessor is connected with the first control end of the constant-current control circuit, the second output end of the microprocessor is connected with the second input end of the logic control circuit, the first input end of the logic control circuit is connected with the output end of the ambient light detection circuit, the output end of the logic control circuit is connected with the second control end of the constant-current control circuit, the output end of the constant-current control circuit is connected with the negative electrode of the LED light-emitting circuit, the negative electrode of the constant-current control circuit, the negative electrode of the logic control circuit, the negative electrode of the microprocessor, the negative electrode of the ambient light detection circuit, the negative electrode of the remote control receiving circuit, the negative electrode of the human body induction circuit, the negative electrode of the LED light-emitting circuit, the, The negative electrode of the fire-fighting emergency lighting circuit, the negative electrode of the voltage conversion circuit and the output negative electrode of the rectification circuit are connected; when the live wire input end and the zero line input end of the rectifying circuit are connected with mains voltage, the rectifying circuit converts the mains alternating voltage into direct voltage and outputs the direct voltage between the output anode and the output cathode of the rectifying circuit, the voltage conversion circuit converts the direct voltage output by the rectifying circuit and then provides working voltage for the fire-fighting emergency lighting circuit, the remote control receiving circuit, the human body sensing circuit, the microprocessor and the ambient light detection circuit, the fire-fighting emergency lighting circuit comprises a storage battery, when the voltage of the storage battery is smaller than a set charging threshold voltage, the storage battery starts to be charged until the voltage of the storage battery is larger than or equal to the set charging threshold voltage, and when the voltage of the storage battery is larger than or equal to the set charging threshold voltage, the storage battery does not enter the charging state, the fire-fighting emergency lighting circuit has a periodic automatic detection function, starts timing after the human body induction LED lamp circuit is initially connected to mains supply for a preset specified time, and periodically performs automatic performance detection according to an automatic detection period; when a remote control signal sent by a detector through an external remote controller is a manual forced detection signal, the remote control receiving circuit converts the manual forced detection signal into a control signal which can be identified by the microprocessor and sends the control signal to the microprocessor, the microprocessor generates a preset driving signal consisting of a high level and a low level according to the control signal and sends the driving signal to a performance detection end of the fire-fighting emergency lighting circuit, the fire-fighting emergency lighting circuit carries out forced performance detection after receiving the driving signal, after the forced performance detection is finished for a preset time, if the detection result is normal, the fire-fighting emergency lighting circuit restarts timing and continues to carry out automatic performance detection periodically according to the automatic detection requirement, and after each forced performance detection or automatic performance detection is finished by the fire-fighting emergency lighting circuit, if the detection result is normal, the performance detection end of the fire emergency lighting circuit outputs a low level, the signal acquired by the emergency input end of the microprocessor at the performance detection end of the fire emergency lighting circuit is a low level, if the detection result is abnormal, the performance detection end of the fire emergency lighting circuit outputs a high level, the signal acquired by the emergency input end of the microprocessor at the performance detection end of the fire emergency lighting circuit is a high level, at the moment, the anti-emergency lighting circuit warns in at least one of a flashing light mode and a sound mode and keeps the warning until the fire emergency lighting circuit is cleared of faults, and when the fire emergency lighting circuit monitors that the output voltage of the rectifying circuit is abnormal through the voltage detection end of the fire emergency lighting circuit, at the moment, the LED light-emitting circuit cannot emit light, the fire-fighting emergency lighting circuit takes the electric energy of a storage battery of the fire-fighting emergency lighting circuit as a power supply to start to emit light to provide emergency lighting after voltage boosting conversion, the human body induction circuit is used for detecting whether people exist around the fire-fighting emergency lighting circuit, when people around the fire-fighting emergency lighting circuit are detected, the output end of the human body induction circuit outputs a high-level pulse signal, when no people around the fire-fighting emergency lighting circuit are detected, the output end of the human body induction circuit outputs a low-level signal, the remote control receiving circuit is used for receiving a remote control signal sent by an external remote controller in an infrared or radio mode, converting the remote control signal into a control signal which can be; the environment light detection circuit is used for detecting the light intensity of environment light, converting the detected light intensity into a voltage signal and outputting the voltage signal at the output end of the environment light detection circuit, and the smaller the light intensity of the environment light detected by the environment light detection circuit is, the higher the voltage signal output by the output end of the environment light detection circuit is. The microprocessor works in a default working mode after being electrified, when the remote control input end of the microprocessor receives a control signal output by the remote control receiving circuit, the microprocessor judges and identifies the control signal to acquire whether the remote control signal is a signal for setting unit delay time, a signal for setting a delay lighting mode or a manual forced detection signal, if the remote control signal is the signal for setting the unit delay time, the microprocessor updates the unit delay time in the microprocessor, if the remote control signal is the signal for setting the delay lighting mode, the microprocessor updates the internal delay lighting mode according to the control signal, if the remote control signal is the manual forced detection signal, the microprocessor generates a driving signal to drive the fire-fighting emergency lighting circuit to carry out forced performance detection, and the emergency signal end of the microprocessor receives the signal of the performance detection end of the fire-fighting emergency lighting circuit in real time, when the received signal of the performance detection end of the fire-fighting emergency lighting circuit is at a high level, the performance of the fire-fighting emergency lighting circuit is indicated to be abnormal, the microprocessor outputs a high-low level change signal with the frequency of 1-10HZ at the first output end of the microprocessor and outputs a high level at the second output end of the microprocessor, when the signal of the performance detection end of the fire-fighting emergency lighting circuit is at a low level, the performance of the fire-fighting emergency lighting circuit is indicated to be normal at this time, the second output end of the microprocessor outputs a low level, and when the sensing input end of the microprocessor receives a high level pulse output by the output end of the human body sensing circuit, the microprocessor starts to time and outputs a PWM signal with a large duty ratio set in the microprocessor and cannot be twinkled by naked eyes at the first output end of the microprocessor, if the microprocessor receives the high level pulse output by the human body induction circuit again before the timing reaches a unit delay time, the microprocessor starts to count again at the moment of receiving again, if the microprocessor does not receive the high level pulse output by the output end of the human body induction circuit before the timing reaches the unit delay time, the microprocessor keeps the current timing until the timing reaches the unit delay time, and then if the delay lighting mode set in the microprocessor is the delay low-brightness lighting mode, the first output terminal of the microprocessor outputs a PWM signal having a smaller duty ratio set therein, and if the delay lighting mode set in the microprocessor is a delay light-off mode, the first output end of the microprocessor outputs a low level. When the second input end of the logic control circuit is connected with the high level output by the second output end of the microprocessor, the output end of the logic control circuit outputs the high level, and when the second input end of the logic control circuit is connected with the low level output by the second output end of the microprocessor, the output end of the logic control circuit outputs an analog voltage signal, and the size of the output analog voltage signal is equal to the size of the voltage connected to the first input end of the logic control circuit at the moment; the second control end of the constant current control circuit is provided with a high threshold voltage and a low threshold voltage, the magnitude of the current output by the output end of the constant current control circuit is not only in direct proportion to the magnitude of the duty ratio of the PWM signal output by the first output end of the microprocessor connected with the first control end of the constant current control circuit, but also is related to the magnitude of the voltage connected with the second control end of the logic control circuit from the logic control circuit, if the voltage connected with the second control end of the constant current control circuit is an analog voltage signal which is more than or equal to the high threshold voltage, the magnitude of the current output by the output end of the constant current control circuit is recorded as Ip which is in direct proportion to the duty ratio of the PWM signal output by the first output end of the microprocessor, and when the duty ratio of the PWM signal output by the first output end of the microprocessor is increased between 0 and 100 percent, the magnitude of the current output by the output end of the constant current control circuit is correspondingly increased between 0 and the set maximum value of the current Increasing; if the voltage accessed by the second control end of the constant current control circuit is between the low threshold voltage and the high threshold voltage, the current output by the output end of the constant current control circuit is Ip x k, wherein x is a multiplication symbol, the value of k corresponds to the voltage accessed by the second control end of the constant current control circuit, when the voltage accessed by the second control end of the constant current control circuit changes from the low threshold voltage to the high threshold voltage, the value of k correspondingly changes from 0 to 1, and the higher the voltage accessed by the second control end of the constant current control circuit is, the larger the value of k is; if the voltage accessed by the second control end of the constant current control circuit is less than or equal to the low threshold voltage, the current output by the output end of the constant current control circuit is 0; the positive pole of the LED light-emitting circuit is connected with the current output by the output end of the constant current control circuit, the light-emitting brightness of the LED light-emitting circuit is in direct proportion to the magnitude of the current output by the output end of the constant current control circuit, so that the human body induction LED lamp circuit with the fire-fighting emergency lighting function continuously changes between the highest light-emitting brightness and the non-light-emitting brightness at the frequency obviously sensed by naked eyes no matter how much the ambient light intensity is detected by the ambient light detection circuit when the fire-fighting emergency lighting circuit is abnormal in performance, and if the ambient light intensity is detected by the ambient light detection circuit to be lower than or equal to the set low intensity when the fire-fighting emergency lighting circuit is normal in performance, the voltage output by the output end of the logic control circuit is larger than or equal to the high threshold voltage of the constant current control circuit, the constant current control circuit drives the LED light-emitting circuit to enter a corresponding state under the control of a signal output by a first output end of the microprocessor, if the signal output by the first output end of the microprocessor is a PWM signal with a larger duty ratio, the LED light-emitting circuit enters a high-brightness light-emitting state, the light-emitting intensity is a set maximum value, if the signal output by the first output end of the microprocessor is a PWM signal with a smaller duty ratio, the LED light-emitting circuit enters a low-brightness light-emitting state, the light-emitting intensity is a set lower value, and if the signal output by the first output end of the microprocessor is a low level, the LED light-emitting circuit enters a light-off state and does not emit light; when the ambient light intensity detected by the ambient light detection circuit is greater than the set low intensity and less than the set high intensity, the voltage output by the output end of the logic control circuit is greater than the low threshold voltage and less than the high threshold voltage of the constant current control circuit, the constant current control circuit drives the LED light-emitting circuit to enter a corresponding state under the control of the signal output by the first output end of the microprocessor, if the signal output by the first output end of the microprocessor is a PWM signal with a large duty ratio at the moment, the LED light-emitting circuit enters a high-brightness light-emitting state, the light-emitting intensity of the LED light-emitting circuit is reduced along with the reduction of the voltage output by the ambient light detection circuit along with the enhancement of the ambient light intensity, and if the signal output by the first output end of the microprocessor is a PWM signal with a small duty ratio at the moment, the LED light-emitting circuit enters a low-brightness light-emitting state, the luminous intensity of the LED light-emitting circuit is reduced along with the increase of the ambient light intensity and the reduction of the voltage output by the ambient light detection circuit, and if the signal output by the first output end of the microprocessor is at a low level, the LED light-emitting circuit enters a light-out state and does not emit light; when the ambient light detection circuit detects that the ambient light intensity is stronger and is greater than or equal to the set high intensity, the voltage output by the output end of the logic control circuit is less than or equal to the low threshold voltage of the constant current control circuit, and the LED light-emitting circuit does not emit light.

The fire-fighting emergency lighting circuit further comprises a first integrated circuit chip with the model number QW2680, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a first capacitor, a second capacitor, a third capacitor, a first diode, a second diode, a third diode, a yellow light-emitting diode, a green light-emitting diode, a red light-emitting diode, a first LED white light tube, a second LED white light tube, a key switch, a buzzer and a patch inductor, wherein the first diode, the second diode and the third diode are rectifier diodes, the first capacitor, the second capacitor and the third capacitor are electrolytic capacitors, the anode of the first diode is the anode of the fire-fighting emergency lighting circuit, one end of the first resistor is the voltage detection end of the fire-fighting emergency lighting circuit, the other end of the first resistor, one end of the second resistor and one end of the key switch are connected with the No. 2 pin of the first integrated circuit chip, the connecting end of the key switch is a performance detection end of the fire emergency lighting circuit, and the other end of the second resistor is connected with the anode of the yellow light-emitting diode; the cathode of the first diode, one end of the third resistor, one end of the sixth resistor, the anode of the first capacitor and the 1 st pin of the first integrated circuit chip are connected; the 3 rd pin of the first integrated circuit chip is connected with one end of the fourth resistor, the other end of the fourth resistor is connected with the anode of the buzzer, and the 5 th pin of the first integrated circuit chip and one end of the fifth resistor are connected with the anode of the red light-emitting diode; the other end of the fifth resistor, the cathode of the red light-emitting diode and one end of the chip inductor are connected with the anode of the storage battery; the other end of the chip inductor, the anode of the third diode and the 6 th pin of the first integrated circuit chip are connected; the 7 th pin of the first integrated circuit chip, the cathode of the third diode, the anode of the second diode, the anode of the third capacitor, one end of the eighth resistor and the anode of the first LED white light tube are connected, the cathode of the second diode and the other end of the sixth resistor are connected, and the cathode of the first LED white light tube and the anode of the second LED white light tube are connected; the 8 th pin of the first integrated circuit chip, one end of the seventh resistor, the anode of the second capacitor and the anode of the green light-emitting diode are connected, the other end of the eighth resistor, the other end of the seventh resistor, one end of the ninth resistor and the negative electrode of the second LED white light tube are connected, the other end of the key switch, the cathode of the yellow light-emitting diode, the cathode of the green light-emitting diode, the cathode of the buzzer, the cathode of the first capacitor, the cathode of the second capacitor, the cathode of the third capacitor, the other end of the third resistor, the other end of the ninth resistor, the cathode of the storage battery and the 4 th pin of the first integrated circuit chip are connected, and the connecting end of the storage battery and the 4 th pin of the first integrated circuit chip are connected with each other and is the cathode of the fire-fighting emergency lighting circuit. This fire emergency lighting circuit has the fire emergency lighting LED lamp required function, can manage 1.2V's battery charge-discharge, when mains voltage is unusual, with battery voltage through the mode that steps up, the first LED white light pipe and the luminous realization emergency lighting of second white light pipe that the drive is connected, when the performance detects unusually, send sound through bee calling organ and warn, circuit structure is simple, and is with low costs.

The environment light detection circuit comprises a tenth resistor and a phototriode, wherein one end of the tenth resistor is the anode of the environment light detection circuit, the other end of the tenth resistor is connected with the collector of the phototriode, the connecting end of the tenth resistor is the output end of the environment light detection circuit, and the emission set of the phototriode is the cathode of the environment light detection circuit.

The logic control circuit comprises a fourth diode, a fifth diode, an eleventh resistor and a fourth capacitor. The fourth diode and the fifth diode are rectifier diodes, the anode of the fourth diode is the first input end of the logic control circuit, the anode of the fifth diode is the second input end of the logic control circuit, the cathode of the fourth diode, the cathode of the fifth diode, one end of the eleventh resistor and one end of the fourth capacitor are connected, the connecting end of the eleventh resistor and the other end of the fourth capacitor are connected, and the connecting end of the eleventh resistor and the other end of the fourth capacitor are connected. The circuit has simple structure and low cost.

The constant current control circuit is realized by adopting a linear regulation type constant current control circuit and comprises a second integrated circuit chip, a twelfth resistor, a thirteenth resistor, a fifth capacitor and an NMOS (N-channel metal oxide semiconductor) tube, wherein the fifth capacitor is an electrolytic capacitor, the model of the second integrated circuit chip is SM2083, one end of the twelfth resistor is connected with the anode of the fifth capacitor, the connecting end of the twelfth resistor is the anode of the constant current control circuit, the other end of the twelfth resistor is connected with the 1 st pin of the second integrated circuit chip, the 8 th pin of the second integrated circuit chip is the output end of the constant current control circuit, the 4 th pin of the second integrated circuit chip is the first control end of the constant current control circuit, the 5 th pin of the second integrated circuit chip is connected with one end of the thirteenth resistor, and the other end of the thirteenth resistor is connected with the drain electrode of the NMOS, the grid electrode of the NMOS tube is the second control end of the constant current control circuit, the 3 rd pin of the second integrated circuit chip and the negative electrode of the fifth capacitor are connected with the source electrode of the NMOS tube, and the connecting end of the NMOS tube is the negative electrode of the constant current control circuit. The circuit has the advantages of simple structure, low cost and convenient processing.

Compared with the prior art, the invention has the advantages that the remote control receiving circuit connected with the LED main body circuit with the fire-fighting emergency lighting function and the human body induction lighting function is arranged, the LED main body circuit has two delay lighting modes, namely a delay low-brightness lighting mode and a delay light-out mode when the human body induction lighting function is realized, when the LED main body circuit induces the surrounding people and carries out the delay lighting stage, the LED main body circuit starts to time and emits light with high brightness for delay lighting, if the LED main body circuit induces the people again before the time reaches the unit delay time, the LED main body circuit restarts to time, if the LED main body circuit does not induce the people again before the time reaches the unit delay time, the LED main body circuit keeps the current time until the time reaches the unit delay time, when the time reaches the unit delay time, if the current set lighting mode is a time-delay low-brightness lighting mode, the LED main body circuit is switched to low-brightness lighting for lighting, and if the current set lighting mode is a time-delay light-off mode, the LED main body circuit is directly turned off; the LED main body circuit is controlled by the intensity of ambient light when the human body induction lighting function is realized, and the LED main body circuit keeps a light-off state when the intensity of the ambient light is higher than a set high intensity; when the ambient light intensity is lower than the set low intensity, the ambient light does not influence the illumination brightness of the LED main body circuit in the human body induction illumination function, and when the ambient light intensity is in the set low intensity and set high intensity range, the stronger the ambient light is, the illumination brightness of the LED main body circuit in the human body induction illumination function is in inverse proportion to the ambient light intensity, and the stronger the ambient light is, the lower the illumination brightness is; the remote control circuit converts the remote control signal into a control signal which can be identified by the LED main body circuit and then sends the control signal to the LED main body circuit; an automatic detection period is set in the LED main body circuit according to the detection time requirement of the fire emergency lighting function, the LED main body circuit starts timing after the preset set time of the mains supply is initially accessed, the performance is periodically and automatically detected according to the automatic detection period, when a remote control signal sent by a detector through an external remote controller is a manual forced detection signal, the LED main body circuit performs forced performance detection according to the requirement of the manual forced detection signal, the timing is restarted after the preset set time after the forced performance detection is finished, the performance is periodically and automatically detected according to the automatic detection period again, when the LED main body circuit performs forced performance detection and automatic performance detection, if the fire emergency lighting function detection result is abnormal work, the LED main body circuit warns in at least one of a flashing light mode and a sound mode, therefore, the invention can realize manual detection through the communication between the external remote controller and the remote control receiving circuit, the manual detection operation is convenient, the delayed illumination mode can be a delayed low-brightness illumination mode or a delayed light-off mode, and a user can select the delayed low-brightness illumination mode or the delayed light-off mode according to the use requirement.

Drawings

FIG. 1 is a block diagram of the structure of the human body induction LED lamp circuit with fire emergency lighting function of the present invention;

FIG. 2 is a circuit diagram of a fire emergency lighting circuit of the body-sensing LED lamp circuit with fire emergency lighting functionality of the present invention;

fig. 3 is a circuit connection diagram of an ambient light detection circuit, a logic control circuit, a constant current control circuit and an LED light emitting circuit of the human body induction LED lamp circuit with a fire emergency lighting function of the present invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

Example (b): a human body induction LED lamp circuit with a fire-fighting emergency lighting function comprises an LED main circuit and a remote control receiving circuit, wherein the LED main circuit has two delay lighting modes, namely a delay low-brightness lighting mode and a delay light-off mode, when the LED main circuit senses the surrounding people and carries out a delay lighting stage, the LED main circuit starts to time and emits light with high brightness for delay lighting, if the LED main circuit senses the people again before the time reaches a unit delay time, the LED main circuit restarts to time, and if the LED main circuit does not sense the people again before the time reaches the unit delay time, the LED main circuit keeps the current time until the time reaches the unit delay time, and when the time reaches the unit delay time, if the current set lighting mode is a time-delay low-brightness lighting mode, the LED main body circuit is switched to low-brightness lighting for lighting, and if the current set lighting mode is a time-delay light-off mode, the LED main body circuit is directly turned off; when the LED main body circuit realizes the human body induction lighting function, the LED main body circuit is also controlled by the intensity of ambient light, and when the intensity of the ambient light is higher than the set high intensity (preset according to the use requirement), the LED main body circuit keeps a light-off state; when the ambient light intensity is lower than the set low intensity (preset according to use requirements), the ambient light does not influence the illumination brightness of the LED main body circuit in the human body induction illumination function, and when the ambient light intensity is within the range of the set low intensity and the set high intensity, the stronger the ambient light is, the illumination brightness of the LED main body circuit in the human body induction illumination function is inversely proportional to the intensity of the ambient light, and the stronger the ambient light is, the lower the illumination brightness is; the remote control circuit converts the remote control signal into a control signal which can be identified by the LED main body circuit and then sends the control signal to the LED main body circuit; the LED main body circuit is internally provided with an automatic detection period according to the detection time requirement of the fire emergency lighting function, the LED main body circuit starts timing after the preset set time (preset according to the use requirement) of the mains supply is initially accessed, the performance is periodically and automatically detected according to the automatic detection period (preset according to the use requirement), when the remote control signal sent by a detector through an external remote controller is a manual forced detection signal, the LED main body circuit performs forced performance detection according to the requirement of the manual forced detection signal, restarts timing after the preset set time (preset according to the use requirement) after the forced performance detection is finished, and periodically and automatically detects the performance again according to the automatic detection period, when the LED main body circuit performs forced performance detection and automatic performance detection, if the fire emergency lighting function detection result is abnormal work, the LED main body circuit warns in at least one of a flashing mode and a sound mode.

As shown in fig. 1, in this embodiment, the LED main circuit includes a rectifier circuit, a voltage conversion circuit, a human body induction circuit, a fire emergency lighting circuit, a microprocessor, an ambient light detection circuit, a logic control circuit, a constant current control circuit, and an LED light emitting circuit, and the rectifier circuit has a live wire input end, a zero line input end, an output positive electrode, and an output negative electrode; the voltage conversion circuit is provided with an input end, an output end and a negative electrode; the remote control receiving circuit is provided with a positive pole, a negative pole and an output end; the human body induction circuit is provided with a positive electrode, a negative electrode and an output end; the fire-fighting emergency lighting circuit is provided with an anode, a cathode, a voltage detection end and a performance detection end, the ambient light detection circuit is provided with an anode, a cathode and an output end, the logic control circuit is provided with a first input end, a second input end, a cathode and an output end, the constant-current control circuit is provided with an anode, a cathode, an output end, a first control end and a second control end, the LED light-emitting circuit is provided with an anode and a cathode, and the microprocessor is provided with an anode, a cathode, a remote control input end, an induction input end, an emergency signal end, a first output end and a second output end; the fire wire input end of the rectifying circuit is used for being connected with a fire wire of a commercial power, the zero line input end of the rectifying circuit is used for being connected with a zero line of the commercial power, the output anode of the rectifying circuit, the input end of the voltage conversion circuit, the anode of the constant current control circuit, the anode of the LED light-emitting circuit, the anode of the microprocessor and the voltage detection end of the fire-fighting emergency lighting circuit are connected, the output end of the voltage conversion circuit, the anode of the fire-fighting emergency lighting circuit, the anode of the remote control receiving circuit, the anode of the human body sensing circuit and the anode of the ambient light detection circuit are connected, the remote control input end of the microprocessor and the output end of the remote control receiving circuit are connected, the sensing input end of the microprocessor and the output end of the human body sensing circuit are connected, the emergency signal end of the microprocessor is connected with the, the second output end of the microprocessor is connected with the second input end of the logic control circuit, the first input end of the logic control circuit is connected with the output end of the ambient light detection circuit, the output end of the logic control circuit is connected with the second control end of the constant current control circuit, the output end of the constant current control circuit is connected with the cathode of the LED light emitting circuit, the cathode of the constant current control circuit, the cathode of the logic control circuit, the cathode of the microprocessor, the cathode of the ambient light detection circuit, the cathode of the remote control receiving circuit, the cathode of the human body induction circuit, the cathode of the fire emergency lighting circuit, the cathode of the voltage conversion circuit and the output cathode of the rectification circuit are connected; when the live wire input end and the zero line input end of the rectification circuit are connected with mains voltage, the rectification circuit converts the mains alternating voltage into direct current voltage and outputs the direct current voltage between the output positive electrode and the output negative electrode, the voltage conversion circuit converts the direct current voltage output by the rectification circuit and provides working voltage for the fire-fighting emergency lighting circuit, the remote control receiving circuit, the human body sensing circuit, the microprocessor and the ambient light detection circuit, the fire-fighting emergency lighting circuit comprises a storage battery, when the voltage of the storage battery is smaller than a set charging threshold voltage (preset according to use requirements), the storage battery enters a charging state to start charging until the voltage of the storage battery is larger than or equal to the set charging threshold voltage, when the voltage of the storage battery is larger than or equal to the set charging threshold voltage, the storage battery does not enter the charging state, the fire-fighting emergency lighting circuit has a periodic automatic detection function, the fire-fighting emergency lighting circuit is initially Starting timing, and periodically carrying out automatic performance detection according to an automatic detection period; when a remote control signal sent by a detector through an external remote controller is a manual forced detection signal, a remote control receiving circuit converts the manual forced detection signal into a control signal which can be identified by a microprocessor and sends the control signal to the microprocessor, the microprocessor generates a preset driving signal consisting of a high level and a low level according to the control signal and sends the driving signal to a performance detection end of a fire-fighting emergency lighting circuit, the fire-fighting emergency lighting circuit carries out forced performance detection after receiving the driving signal, if the detection result is normal after the forced performance detection is finished and the detection result is normal, the fire-fighting emergency lighting circuit restarts timing and continues to carry out automatic performance detection periodically according to the automatic detection requirement, after each forced performance detection or the automatic performance detection is finished, if the detection result is normal, the performance detection end of the fire-fighting emergency lighting circuit outputs the low level, the signal that the emergency input end of the microprocessor gathers in the performance detection end of the fire emergency lighting circuit is the low level, if the detected result is unusual, the performance detection end of the fire emergency lighting circuit outputs the high level, the signal that the emergency input end of the microprocessor gathers in the performance detection end of the fire emergency lighting circuit is the high level, and the anti-emergency lighting circuit warns with at least one of flashing light mode and sound mode at this moment, and keep all the time, until the fire emergency lighting circuit trouble is got rid of, when the fire emergency lighting circuit monitors the output voltage of the rectifier circuit through its voltage detection end is unusual, the LED luminescent circuit can't give out light at this moment, the fire emergency lighting circuit begins to give out light to provide emergency lighting as the power after the boost conversion with its electric energy of storage battery, the human body induction circuit is used for detecting whether someone is around, when detecting someone around, the output end of the human body induction circuit outputs a high-level pulse signal, when no person is detected around, the output end of the human body induction circuit outputs a low-level signal, and the remote control receiving circuit is used for receiving a remote control signal sent by an external remote controller in an infrared or radio mode, converting the remote control signal into a control signal which can be identified by the microprocessor and sending the control signal to the microprocessor; the ambient light detection circuit is used for detecting the light intensity of the ambient light, converting the detected light intensity into a voltage signal and outputting the voltage signal at the output end of the ambient light detection circuit, wherein the smaller the light intensity of the ambient light detected by the ambient light detection circuit is, the higher the voltage signal output by the output end of the ambient light detection circuit is. After the microprocessor is powered on, the microprocessor works in a default working mode, when the remote control input end of the microprocessor receives a control signal output by the remote control receiving circuit, the microprocessor judges and identifies the control signal to acquire whether the remote control signal is a signal for setting unit delay time, a signal for setting a delay lighting mode or a manual forced detection signal, if the remote control signal is the signal for setting the unit delay time, the microprocessor updates the unit delay time in the microprocessor, if the remote control signal is the signal for setting the delay lighting mode, the microprocessor updates the internal delay lighting mode according to the control signal, if the remote control signal is the manual forced detection signal, the microprocessor generates a driving signal to drive the fire-fighting emergency lighting circuit to carry out forced performance detection, the emergency signal end of the microprocessor receives the signal of the performance detection end of the fire-fighting emergency lighting circuit in real time, and when the received signal of the performance detection end of the fire-fighting, the performance of the fire-fighting emergency lighting circuit is abnormal at the moment, the microprocessor outputs a high-low level change signal with the frequency of 1-10HZ at the first output end of the microprocessor, and outputs a high level at the second output end of the microprocessor, when the signal at the performance detection end of the fire-fighting emergency lighting circuit is a low level, the performance of the fire-fighting emergency lighting circuit is normal at the moment, the second output end of the microprocessor outputs a low level, at the moment, after the sensing input end of the microprocessor receives a high level pulse output by the output end of the human body sensing circuit, the microprocessor starts timing, and outputs a PWM signal with larger duty ratio set in the microprocessor and cannot twinkle by naked eyes at the first output end of the microprocessor, if the microprocessor receives the high level pulse output by the human body sensing circuit again before the timing reaches a unit delay time, the microprocessor starts to count again at the moment, if the microprocessor does not receive the high level pulse output by the output end of the human body induction circuit before the timing reaches the unit delay time, the microprocessor keeps the current timing until the timing reaches the unit delay time, then if the delay illumination mode set in the microprocessor is the delay low-brightness illumination mode, the first output end of the microprocessor outputs a PWM signal with smaller duty ratio set in the microprocessor, and if the delay illumination mode set in the microprocessor is the delay light-off mode, the first output end of the microprocessor outputs the low level. When the second input end of the logic control circuit is connected with the high level output by the second output end of the microprocessor, the output end outputs the high level, and when the second input end of the logic control circuit is connected with the low level output by the second output end of the microprocessor, the output end outputs an analog voltage signal, and the size of the output analog voltage signal is equal to the size of the voltage connected to the first input end at the moment; the second control end of the constant current control circuit is provided with a high threshold voltage and a low threshold voltage (the high threshold voltage and the low threshold voltage are respectively preset according to use requirements), the magnitude of the current output by the output end of the constant current control circuit is not only in direct proportion to the magnitude of the duty ratio of the PWM signal output by the first output end of the microprocessor connected to the first control end of the constant current control circuit, but also related to the magnitude of the voltage connected from the logic control circuit to the second control end of the constant current control circuit, if the voltage connected to the second control end of the constant current control circuit is an analog voltage signal which is greater than or equal to the high threshold voltage, the magnitude of the current output by the output end of the constant current control circuit is recorded as Ip and is in direct proportion to the duty ratio of the PWM signal output by the first output end of the microprocessor, and when the duty ratio of the PWM signal output by the first output end of the microprocessor is increased between 0 and 100 percent, the magnitude of the current output by the output end of the (ii) a If the voltage accessed by the second control end of the constant current control circuit is between the low threshold voltage and the high threshold voltage, the current output by the output end of the constant current control circuit is Ip x k, wherein x is a multiplication symbol, the value of k corresponds to the voltage accessed by the second control end of the constant current control circuit, when the voltage accessed by the second control end of the constant current control circuit changes from the low threshold voltage to the high threshold voltage, the value of k correspondingly changes from 0 to 1, and the higher the voltage accessed by the second control end of the constant current control circuit is, the larger the value of k is; if the voltage accessed by the second control end of the constant current control circuit is less than or equal to the low threshold voltage, the current output by the output end of the constant current control circuit is 0; the positive pole of the LED light-emitting circuit is connected with the current output by the output end of the constant current control circuit, the light-emitting brightness of the LED light-emitting circuit is in direct proportion to the current output by the output end of the constant current control circuit, so that the human body induction LED lamp circuit with the fire-fighting emergency lighting function continuously changes between the highest light-emitting brightness and the non-light-emitting brightness at the frequency obviously sensed by naked eyes no matter the ambient light intensity detected by the ambient light detection circuit when the fire-fighting emergency lighting circuit is abnormal in performance, if the ambient light intensity detected by the ambient light detection circuit is lower than or equal to the set low intensity when the fire-fighting emergency lighting circuit is normal in performance, the voltage output by the output end of the logic control circuit is more than or equal to the high threshold voltage of the constant current control circuit, and the constant current control circuit drives the LED light-emitting circuit to enter the, if the signal output by the first output end of the microprocessor is a PWM signal with a large duty ratio, the LED light-emitting circuit enters a high-brightness light-emitting state, the light-emitting intensity is a set maximum value (preset according to use requirements), if the signal output by the first output end of the microprocessor is a PWM signal with a small duty ratio, the LED light-emitting circuit enters a low-brightness light-emitting state, the light-emitting intensity is a set lower value (preset according to use requirements), and if the signal output by the first output end of the microprocessor is a low level, the LED light-emitting circuit enters a light-off state and does not emit light; when the ambient light intensity detected by the ambient light detection circuit is greater than the set low intensity and less than the set high intensity, and the voltage output by the output end of the logic control circuit is greater than the low threshold voltage and less than the high threshold voltage of the constant current control circuit, the constant current control circuit drives the LED light-emitting circuit into a corresponding state under the control of the signal output by the first output end of the microprocessor, if the signal output by the first output end of the microprocessor is a PWM signal with a large duty ratio, the LED light-emitting circuit enters a high-brightness light-emitting state, the light-emitting intensity of the LED light-emitting circuit is reduced along with the increase of the ambient light intensity and the reduction of the voltage output by the ambient light detection circuit, and if the signal output by the first output end of the microprocessor is a PWM signal with a small duty ratio, the LED light-emitting circuit enters a low-brightness light-emitting state, the light-emitting intensity of the, if the signal output by the first output end of the microprocessor is low level, the LED light-emitting circuit enters a light-off state and does not emit light; when the ambient light detection circuit detects that the ambient light intensity is stronger and is greater than or equal to the set high intensity, the voltage output by the output end of the logic control circuit is less than or equal to the low threshold voltage of the constant current control circuit, and the LED light-emitting circuit does not emit light.

As shown in fig. 2, in this embodiment, the fire emergency lighting circuit further includes a first integrated circuit chip U1, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a first capacitor C1, a second capacitor C2, a third capacitor C3, a first diode D1, a second diode D2, a third diode D3, a yellow light emitting diode LEDY, a green light emitting diode LEDG, a red light emitting diode LEDR, a first LED white light tube LED2-1, a second LED white light tube LED2-2, a key switch S1, a buzzer LS, and a patch inductor L1, the first diode D1, the second diode D2, and the third diode D2 are all rectifier diodes, the first capacitor BT 2, the first capacitor R2, the third capacitor R2, the hydrogen storage battery or the capacitor b 2, the positive electrode of the first diode D1 is the positive electrode of the fire emergency lighting circuit, one end of the first resistor R1 is the voltage detection end of the fire emergency lighting circuit, the other end of the first resistor R1, one end of the second resistor R2 and one end of the key switch S1 are connected with the 2 nd pin of the first integrated circuit chip U1, the connection end of the key switch S1 is the performance detection end of the fire emergency lighting circuit, and the other end of the second resistor R2 is connected with the positive electrode of the yellow light emitting diode LEDY; the cathode of the first diode D1, one end of the third resistor R3, one end of the sixth resistor R6, the anode of the first capacitor C1 and the 1 st pin of the first integrated circuit chip U1 are connected; a pin 3 of the first integrated circuit chip U1 is connected with one end of a fourth resistor R4, the other end of the fourth resistor R4 is connected with the anode of a buzzer LS, and a pin 5 of the first integrated circuit chip U1 and one end of a fifth resistor R5 are connected with the anode of a red light-emitting diode LEDR; the other end of the fifth resistor R5, the cathode of the red light-emitting diode LEDR and one end of the chip inductor L1 are connected with the anode of the storage battery; the other end of the chip inductor L1, the anode of the third diode D3, and the 6 th pin of the first integrated circuit chip U1 are connected; the 7 th pin of the first integrated circuit chip U1, the cathode of the third diode D3, the anode of the second diode D2, the anode of the third capacitor C3, one end of the eighth resistor R8 and the anode of the first LED white light tube LED2-1 are connected, the cathode of the second diode D2 and the other end of the sixth resistor R6 are connected, and the cathode of the first LED white light tube LED2-1 and the anode of the second LED white light tube LED2-2 are connected; the 8 th pin of the first integrated circuit chip U1, one end of the seventh resistor R7, the anode of the second capacitor C2 and the anode of the green light emitting diode LEDG are connected, the other end of the eighth resistor R8, the other end of the seventh resistor R7, one end of the ninth resistor R9 and the cathode of the second LED white light emitting diode LED2-2 are connected, the other end of the key switch S1, the cathode of the yellow light emitting diode LEDY, the cathode of the green light emitting diode LEDG, the cathode of the buzzer LS, the cathode of the first capacitor C1, the cathode of the second capacitor C2, the cathode of the third capacitor C3, the other end of the third resistor R3, the other end of the ninth resistor R9, the cathode of the storage battery and the 4 th pin of the first integrated circuit chip U1 are connected, and the connecting end of the cathode of the fire-fighting emergency lighting circuit is connected.

As shown in fig. 3, in this embodiment, the ambient light detection circuit includes a tenth resistor R10 and a phototransistor Q1, one end of the tenth resistor R10 is the positive electrode of the ambient light detection circuit, the other end of the tenth resistor R10 is connected to the collector of the phototransistor Q1, the connection end of the tenth resistor R10 is the output end of the ambient light detection circuit, and the emission set of the phototransistor Q1 is the negative electrode of the ambient light detection circuit.

As shown in fig. 3, in the present embodiment, the logic control circuit includes a fourth diode D4, a fifth diode D5, an eleventh resistor R11, and a fourth capacitor C4. The fourth diode D4 and the fifth diode D5 are both rectifier diodes, the anode of the fourth diode D4 is the first input end of the logic control circuit, the anode of the fifth diode D5 is the second input end of the logic control circuit, the cathode of the fourth diode D4, the cathode of the fifth diode D5, one end of the eleventh resistor R11 and one end of the fourth capacitor C4 are connected, the connection end of the eleventh resistor R11 and one end of the fourth capacitor C4 are connected, and the connection end of the eleventh resistor R11 and the other end of the fourth capacitor C4 are connected.

As shown in fig. 3, in the present embodiment, the constant current control circuit is implemented by a linear regulation type constant current control circuit, and includes a second integrated circuit chip U2, a twelfth resistor R12, a thirteenth resistor R13, a fifth capacitor C5 and an NMOS transistor M1, the fifth capacitor C5 is an electrolytic capacitor, the model of the second integrated circuit chip U2 is SM2083, one end of the twelfth resistor R12 is connected to the positive electrode of the fifth capacitor C5, the connection end of the twelfth resistor R12 is connected to the 1 st pin of the second integrated circuit chip U2, the 8 th pin of the second integrated circuit chip U2 is an output end of the constant current control circuit, the 4 th pin of the second integrated circuit chip U2 is a first control end of the constant current control circuit, the 5 th pin of the second integrated circuit chip U2 is connected to one end of the thirteenth resistor R13, the other end of the thirteenth resistor R13 is connected to a drain of the NMOS transistor, and the gate of the NMOS transistor M1 is a second constant current control end of the constant current control circuit, the 3 rd pin of the second integrated circuit chip U2, the cathode of the fifth capacitor C5 and the source of the NMOS transistor M1 are connected, and the connection end is the cathode of the constant current control circuit.

As shown in fig. 3, in this embodiment, the LED light emitting circuit is formed by n LED illuminants LED1-LEDn connected in series, n is an integer greater than or equal to 2, the positive electrode of the 1 st LED illuminant is the positive electrode of the LED light emitting circuit, the negative electrode of the kth LED illuminant is connected to the positive electrode of the k +1 th LED illuminant, k is 1,2, …, n-1, and the negative electrode of the nth LED illuminant is the negative electrode of the LED light emitting circuit.

In this embodiment, the rectifier circuit is implemented by using a universal full-bridge rectifier, the full-bridge rectifier has two ac input ends, an anode output end and a cathode output end, one of the ac input ends of the full-bridge rectifier is the live wire input end of the rectifier circuit, the other ac input end of the full-bridge rectifier is the zero line input end of the rectifier circuit, the anode output end of the full-bridge rectifier is the anode output end of the sorting circuit, and the cathode output end of the full-bridge rectifier is the cathode output end of the sorting circuit.

In this embodiment, the voltage conversion circuit is implemented by a power supply circuit adopting a mature non-isolated voltage conversion technology, the power supply circuit converts a high-voltage direct current voltage input into the rectification circuit and outputs a 5V direct current constant voltage output, the power supply circuit has an input positive electrode, an output positive electrode and a common negative electrode, the common negative electrode is used as both the input negative electrode and the output negative electrode, the input positive electrode of the power supply circuit is an input end of the voltage conversion circuit, the output positive electrode of the power supply circuit is an output end of the voltage conversion circuit, and the common negative electrode of the power supply circuit is a negative electrode of the voltage conversion circuit.

In this embodiment, the microprocessor circuit is implemented by a conventional single chip integrated circuit packaged with SOP8, the single chip integrated circuit has a positive pin, a negative pin, a PWM pin capable of setting PWM output, a general function output pin, a general function input pin, a remote control signal input terminal capable of receiving digital signal pulses, and a bidirectional port capable of being set by an internal program and converted into an input function and an output function, the positive pin of the single chip integrated circuit is the positive electrode of the microprocessor, the negative pin of the single chip integrated circuit is the negative electrode of the microprocessor, the PWM pin of the single chip integrated circuit is the first input terminal of the microprocessor circuit, the general function output pin of the single chip integrated circuit is the second input terminal of the microprocessor circuit, a general function input pin of the single chip integrated circuit is the sensing input terminal of the microprocessor, a remote control signal input pin of the single chip integrated circuit is the remote control input terminal of the microprocessor, the two-way port with changeable function of the singlechip integrated circuit is an emergency signal end of the microprocessor circuit.

In this embodiment, the remote control receiving circuit is implemented by using an infrared remote control receiving circuit of a mature technology, one end of the remote control receiving circuit, which is connected to the positive electrode of the working power supply, is a positive electrode of the remote control receiving circuit, one end of the remote control receiving circuit, which is connected to the negative electrode of the working power supply, is a negative electrode of the remote control receiving circuit, and one end of the remote control receiving circuit, which receives and processes the remote control signal and outputs the digital pulse level signal, is an output.

In this embodiment, the human body sensing circuit may adopt a PIR mobile sensing circuit having a mature technology, or may adopt a microwave mobile sensing circuit, two circuits of the PIR mobile sensing circuit and the microwave mobile sensing circuit have three connection ports, i.e., a positive electrode, a negative electrode and a signal output end, the positive electrode of the PIR mobile sensing circuit or the microwave mobile sensing circuit is the positive electrode of the human body sensing circuit, the negative electrode of the PIR mobile sensing circuit or the microwave mobile sensing circuit is the negative electrode of the human body sensing circuit, and the signal output end of the PIR mobile sensing circuit or the microwave mobile sensing circuit is the output end of the human body sensing circuit.

Claims

1. A human body induction LED lamp circuit with a fire-fighting emergency lighting function is characterized by comprising an LED main body circuit and a remote control receiving circuit, wherein the LED main body circuit has two delay lighting modes, namely a delay low-brightness lighting mode and a delay light-off mode, when the human body induction lighting function is realized, when the LED main body circuit senses the surrounding people and carries out a delay lighting stage, the LED main body circuit starts to time and emits light with high brightness for delay lighting, if the LED main body circuit senses the people again before the time reaches a unit delay time, the LED main body circuit starts to time again, and if the LED main body circuit does not sense the people again before the time reaches the unit delay time, the LED main body circuit keeps the current time, until the timing reaches the unit delay time, when the timing reaches the unit delay time, if the current set lighting mode is a delay low-brightness lighting mode, the LED main body circuit is switched to low-brightness lighting for lighting, and if the current set lighting mode is a delay light-off mode, the LED main body circuit is directly turned off; the LED main body circuit is controlled by the intensity of ambient light when the human body induction lighting function is realized, and the LED main body circuit keeps a light-off state when the intensity of the ambient light is higher than a set high intensity; when the ambient light intensity is lower than the set low intensity, the ambient light does not influence the illumination brightness of the LED main body circuit in the human body induction illumination function, and when the ambient light intensity is in the set low intensity and the set high intensity range, the stronger the ambient light is, the illumination brightness of the LED main body circuit in the human body induction illumination function is in inverse proportion to the ambient light intensity, and the stronger the ambient light is, the lower the illumination brightness is; the remote control circuit converts the remote control signal into a control signal which can be identified by the LED main body circuit and then sends the control signal to the LED main body circuit, the LED main body circuit performs corresponding work under the control of the control signal, and the remote control signal is either a signal for setting unit delay time or a signal for setting a delay lighting mode or a manual forced detection signal; the LED main body circuit is internally provided with an automatic detection period according to the detection time requirement of the fire emergency lighting function, the LED main body circuit starts timing after preset specified time of initially accessing commercial power, periodically performs automatic performance detection according to an automatic detection period, when the remote control signal sent by the detection personnel through the external remote controller is a manual forced detection signal, the LED main body circuit carries out forced performance detection according to the requirement of the manual forced detection signal, and restarting timing after the preset specified time after the forced performance detection is finished, and periodically performing the performance automatic detection again according to the automatic detection period, wherein when the LED main body circuit performs the forced performance detection and the performance automatic detection, if the fire emergency lighting function detection result is abnormal, the LED main body circuit warns in at least one of a flashing light mode and a sound mode.

2. The human body induction LED lamp circuit with the fire-fighting emergency lighting function according to claim 1, wherein the LED main body circuit comprises a rectifying circuit, a voltage conversion circuit, a human body induction circuit, a fire-fighting emergency lighting circuit, a microprocessor, an ambient light detection circuit, a logic control circuit, a constant current control circuit and an LED light emitting circuit, wherein the rectifying circuit has a live wire input end, a zero wire input end, an output positive electrode and an output negative electrode; the voltage conversion circuit is provided with an input end, an output end and a negative electrode; the remote control receiving circuit is provided with a positive pole, a negative pole and an output end; the human body induction circuit is provided with a positive electrode, a negative electrode and an output end; the fire-fighting emergency lighting circuit is provided with an anode, a cathode, a voltage detection end and a performance detection end, the ambient light detection circuit is provided with an anode, a cathode and an output end, the logic control circuit is provided with a first input end, a second input end, a cathode and an output end, the constant current control circuit is provided with an anode, a cathode, an output end, a first control end and a second control end, the LED light-emitting circuit is provided with an anode and a cathode, and the microprocessor is provided with an anode, a cathode, a remote control input end, an induction input end, an emergency signal end, a first output end and a second output end; the live wire input end of the rectifying circuit is used for connecting the live wire of commercial power, the zero line input end of the rectifying circuit is used for connecting the zero line of the commercial power, the output positive pole of the rectifying circuit, the input end of the voltage conversion circuit, the positive pole of the constant current control circuit, the positive pole of the LED light-emitting circuit, the positive pole of the microprocessor and the voltage detection end of the fire-fighting emergency lighting circuit are connected, the output end of the voltage conversion circuit, the positive pole of the fire-fighting emergency lighting circuit, the positive pole of the remote control receiving circuit and the positive pole of the human body induction circuit are connected with the positive pole of the ambient light detection circuit, the remote control input end of the microprocessor is connected with the output end of the remote control receiving circuit, and the induction input end of the microprocessor is connected with the output end of the human body induction circuit, the emergency signal end of the microprocessor is connected with the performance detection end of the fire-fighting emergency lighting circuit, the first output end of the microprocessor is connected with the first control end of the constant-current control circuit, the second output end of the microprocessor is connected with the second input end of the logic control circuit, the first input end of the logic control circuit is connected with the output end of the ambient light detection circuit, the output end of the logic control circuit is connected with the second control end of the constant-current control circuit, the output end of the constant-current control circuit is connected with the negative electrode of the LED light-emitting circuit, the negative electrode of the constant-current control circuit, the negative electrode of the logic control circuit, the negative electrode of the microprocessor, the negative electrode of the ambient light detection circuit, the negative electrode of the remote control receiving circuit, the negative electrode of the human body induction circuit, the negative electrode of the LED light-emitting circuit, the, The negative electrode of the fire-fighting emergency lighting circuit, the negative electrode of the voltage conversion circuit and the output negative electrode of the rectification circuit are connected;

when the live wire input end and the zero line input end of the rectifying circuit are connected with mains voltage, the rectifying circuit converts the mains alternating voltage into direct voltage and outputs the direct voltage between the output anode and the output cathode of the rectifying circuit, the voltage conversion circuit converts the direct voltage output by the rectifying circuit and then provides working voltage for the fire-fighting emergency lighting circuit, the remote control receiving circuit, the human body sensing circuit, the microprocessor and the ambient light detection circuit, the fire-fighting emergency lighting circuit comprises a storage battery, when the voltage of the storage battery is smaller than a set charging threshold voltage, the storage battery starts to be charged until the voltage of the storage battery is larger than or equal to the set charging threshold voltage, and when the voltage of the storage battery is larger than or equal to the set charging threshold voltage, the storage battery does not enter the charging state, the fire-fighting emergency lighting circuit has a periodic automatic detection function, starts timing after the human body induction LED lamp circuit is initially connected to mains supply for a preset specified time, and periodically performs automatic performance detection according to an automatic detection period;

when a remote control signal sent by a detector through an external remote controller is a manual forced detection signal, the remote control receiving circuit converts the manual forced detection signal into a control signal which can be identified by the microprocessor and sends the control signal to the microprocessor, the microprocessor generates a preset driving signal consisting of a high level and a low level according to the control signal and sends the driving signal to a performance detection end of the fire-fighting emergency lighting circuit, the fire-fighting emergency lighting circuit carries out forced performance detection after receiving the driving signal, after the forced performance detection is finished for a preset time, if the detection result is normal, the fire-fighting emergency lighting circuit restarts timing and continues to carry out automatic performance detection periodically according to the automatic detection requirement, and after each forced performance detection or automatic performance detection is finished by the fire-fighting emergency lighting circuit, if the detection result is normal, the performance detection end of the fire emergency lighting circuit outputs a low level, the signal acquired by the emergency input end of the microprocessor at the performance detection end of the fire emergency lighting circuit is a low level, if the detection result is abnormal, the performance detection end of the fire emergency lighting circuit outputs a high level, the signal acquired by the emergency input end of the microprocessor at the performance detection end of the fire emergency lighting circuit is a high level, at the moment, the anti-emergency lighting circuit warns in at least one of a flashing light mode and a sound mode and keeps the warning until the fire emergency lighting circuit is cleared of faults, and when the fire emergency lighting circuit monitors that the output voltage of the rectifying circuit is abnormal through the voltage detection end of the fire emergency lighting circuit, at the moment, the LED light-emitting circuit cannot emit light, the fire-fighting emergency lighting circuit takes the electric energy of a storage battery of the fire-fighting emergency lighting circuit as a power supply to start to emit light to provide emergency lighting after voltage boosting conversion, the human body induction circuit is used for detecting whether people exist around the fire-fighting emergency lighting circuit, when people around the fire-fighting emergency lighting circuit are detected, the output end of the human body induction circuit outputs a high-level pulse signal, when no people around the fire-fighting emergency lighting circuit are detected, the output end of the human body induction circuit outputs a low-level signal, the remote control receiving circuit is used for receiving a remote control signal sent by an external remote controller in an infrared or radio mode, converting the remote control signal into a control signal which can be; the environment light detection circuit is used for detecting the light intensity of environment light, converting the detected light intensity into a voltage signal and outputting the voltage signal at the output end of the environment light detection circuit, and the smaller the light intensity of the environment light detected by the environment light detection circuit is, the higher the voltage signal output by the output end of the environment light detection circuit is. The microprocessor works in a default working mode after being electrified, when the remote control input end of the microprocessor receives a control signal output by the remote control receiving circuit, the microprocessor judges and identifies the control signal to acquire whether the remote control signal is a signal for setting unit delay time, a signal for setting a delay lighting mode or a manual forced detection signal, if the remote control signal is the signal for setting the unit delay time, the microprocessor updates the unit delay time in the microprocessor, if the remote control signal is the signal for setting the delay lighting mode, the microprocessor updates the internal delay lighting mode according to the control signal, if the remote control signal is the manual forced detection signal, the microprocessor generates a driving signal to drive the fire-fighting emergency lighting circuit to carry out forced performance detection, and the emergency signal end of the microprocessor receives the signal of the performance detection end of the fire-fighting emergency lighting circuit in real time, when the received signal of the performance detection end of the fire-fighting emergency lighting circuit is at a high level, the performance of the fire-fighting emergency lighting circuit is indicated to be abnormal, the microprocessor outputs a high-low level change signal with the frequency of 1-10HZ at the first output end of the microprocessor and outputs a high level at the second output end of the microprocessor, when the signal of the performance detection end of the fire-fighting emergency lighting circuit is at a low level, the performance of the fire-fighting emergency lighting circuit is indicated to be normal at this time, the second output end of the microprocessor outputs a low level, and when the sensing input end of the microprocessor receives a high level pulse output by the output end of the human body sensing circuit, the microprocessor starts to time and outputs a PWM signal with a large duty ratio set in the microprocessor and cannot be twinkled by naked eyes at the first output end of the microprocessor, if the microprocessor receives the high level pulse output by the human body induction circuit again before the timing reaches a unit delay time, the microprocessor starts to count again at the moment of receiving again, if the microprocessor does not receive the high level pulse output by the output end of the human body induction circuit before the timing reaches the unit delay time, the microprocessor keeps the current timing until the timing reaches the unit delay time, and then if the delay lighting mode set in the microprocessor is the delay low-brightness lighting mode, the first output terminal of the microprocessor outputs a PWM signal having a smaller duty ratio set therein, and if the delay lighting mode set in the microprocessor is a delay light-off mode, the first output end of the microprocessor outputs a low level. When the second input end of the logic control circuit is connected with the high level output by the second output end of the microprocessor, the output end of the logic control circuit outputs the high level, and when the second input end of the logic control circuit is connected with the low level output by the second output end of the microprocessor, the output end of the logic control circuit outputs an analog voltage signal, and the size of the output analog voltage signal is equal to the size of the voltage connected to the first input end of the logic control circuit at the moment; the second control end of the constant current control circuit is provided with a high threshold voltage and a low threshold voltage, the magnitude of the current output by the output end of the constant current control circuit is not only in direct proportion to the magnitude of the duty ratio of the PWM signal output by the first output end of the microprocessor connected with the first control end of the constant current control circuit, but also is related to the magnitude of the voltage connected with the second control end of the logic control circuit from the logic control circuit, if the voltage connected with the second control end of the constant current control circuit is an analog voltage signal which is more than or equal to the high threshold voltage, the magnitude of the current output by the output end of the constant current control circuit is recorded as Ip which is in direct proportion to the duty ratio of the PWM signal output by the first output end of the microprocessor, and when the duty ratio of the PWM signal output by the first output end of the microprocessor is increased between 0 and 100 percent, the magnitude of the current output by the output end of the constant current control circuit is correspondingly increased between 0 and the set maximum value of the current Increasing; if the voltage accessed by the second control end of the constant current control circuit is between the low threshold voltage and the high threshold voltage, the current output by the output end of the constant current control circuit is Ip x k, wherein x is a multiplication symbol, the value of k corresponds to the voltage accessed by the second control end of the constant current control circuit, when the voltage accessed by the second control end of the constant current control circuit changes from the low threshold voltage to the high threshold voltage, the value of k correspondingly changes from 0 to 1, and the higher the voltage accessed by the second control end of the constant current control circuit is, the larger the value of k is; if the voltage accessed by the second control end of the constant current control circuit is less than or equal to the low threshold voltage, the current output by the output end of the constant current control circuit is 0; the positive pole of the LED light-emitting circuit is connected with the current output by the output end of the constant current control circuit, the light-emitting brightness of the LED light-emitting circuit is in direct proportion to the magnitude of the current output by the output end of the constant current control circuit, so that the human body induction LED lamp circuit with the fire-fighting emergency lighting function continuously changes between the highest light-emitting brightness and the non-light-emitting brightness at the frequency obviously sensed by naked eyes no matter how much the ambient light intensity is detected by the ambient light detection circuit when the fire-fighting emergency lighting circuit is abnormal in performance, and if the ambient light intensity is detected by the ambient light detection circuit to be lower than or equal to the set low intensity when the fire-fighting emergency lighting circuit is normal in performance, the voltage output by the output end of the logic control circuit is larger than or equal to the high threshold voltage of the constant current control circuit, the constant current control circuit drives the LED light-emitting circuit to enter a corresponding state under the control of a signal output by a first output end of the microprocessor, if the signal output by the first output end of the microprocessor is a PWM signal with a larger duty ratio, the LED light-emitting circuit enters a high-brightness light-emitting state, the light-emitting intensity is a set maximum value, if the signal output by the first output end of the microprocessor is a PWM signal with a smaller duty ratio, the LED light-emitting circuit enters a low-brightness light-emitting state, the light-emitting intensity is a set lower value, and if the signal output by the first output end of the microprocessor is a low level, the LED light-emitting circuit enters a light-off state and does not emit light; when the ambient light intensity detected by the ambient light detection circuit is greater than the set low intensity and less than the set high intensity, the voltage output by the output end of the logic control circuit is greater than the low threshold voltage and less than the high threshold voltage of the constant current control circuit, the constant current control circuit drives the LED light-emitting circuit to enter a corresponding state under the control of the signal output by the first output end of the microprocessor, if the signal output by the first output end of the microprocessor is a PWM signal with a large duty ratio at the moment, the LED light-emitting circuit enters a high-brightness light-emitting state, the light-emitting intensity of the LED light-emitting circuit is reduced along with the reduction of the voltage output by the ambient light detection circuit along with the enhancement of the ambient light intensity, and if the signal output by the first output end of the microprocessor is a PWM signal with a small duty ratio at the moment, the LED light-emitting circuit enters a low-brightness light-emitting state, the luminous intensity of the LED light-emitting circuit is reduced along with the increase of the ambient light intensity and the reduction of the voltage output by the ambient light detection circuit, and if the signal output by the first output end of the microprocessor is at a low level, the LED light-emitting circuit enters a light-out state and does not emit light; when the ambient light detection circuit detects that the ambient light intensity is stronger and is greater than or equal to the set high intensity, the voltage output by the output end of the logic control circuit is less than or equal to the low threshold voltage of the constant current control circuit, and the LED light-emitting circuit does not emit light.

3. The human body induction LED lamp circuit with the fire emergency lighting function according to claim 2, wherein the fire emergency lighting circuit further comprises a first integrated circuit chip with a model number of QW2680, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a first capacitor, a second capacitor, a third capacitor, a first diode, a second diode, a third diode, a yellow light emitting diode, a green light emitting diode, a red light emitting diode, a first LED white light tube, a second LED white light tube, a key switch, a buzzer and a patch inductor, wherein the first diode, the second diode and the third diode are rectifier diodes, the first capacitor, the second capacitor and the third capacitor are electrolytic capacitors, the positive electrode of the first diode is the positive electrode of the fire-fighting emergency lighting circuit, one end of the first resistor is the voltage detection end of the fire-fighting emergency lighting circuit, the other end of the first resistor, one end of the second resistor and one end of the key switch are connected with the No. 2 pin of the first integrated circuit chip, the connection end of the first resistor, one end of the second resistor and one end of the key switch are the performance detection ends of the fire-fighting emergency lighting circuit, and the other end of the second resistor is connected with the positive electrode of the yellow light-emitting diode; the cathode of the first diode, one end of the third resistor, one end of the sixth resistor, the anode of the first capacitor and the 1 st pin of the first integrated circuit chip are connected; the 3 rd pin of the first integrated circuit chip is connected with one end of the fourth resistor, the other end of the fourth resistor is connected with the anode of the buzzer, and the 5 th pin of the first integrated circuit chip and one end of the fifth resistor are connected with the anode of the red light-emitting diode; the other end of the fifth resistor, the cathode of the red light-emitting diode and one end of the chip inductor are connected with the anode of the storage battery; the other end of the chip inductor, the anode of the third diode and the 6 th pin of the first integrated circuit chip are connected; the 7 th pin of the first integrated circuit chip, the cathode of the third diode, the anode of the second diode, the anode of the third capacitor, one end of the eighth resistor and the anode of the first LED white light tube are connected, the cathode of the second diode and the other end of the sixth resistor are connected, and the cathode of the first LED white light tube and the anode of the second LED white light tube are connected; the 8 th pin of the first integrated circuit chip, one end of the seventh resistor, the anode of the second capacitor and the anode of the green light-emitting diode are connected, the other end of the eighth resistor, the other end of the seventh resistor, one end of the ninth resistor and the negative electrode of the second LED white light tube are connected, the other end of the key switch, the cathode of the yellow light-emitting diode, the cathode of the green light-emitting diode, the cathode of the buzzer, the cathode of the first capacitor, the cathode of the second capacitor, the cathode of the third capacitor, the other end of the third resistor, the other end of the ninth resistor, the cathode of the storage battery and the 4 th pin of the first integrated circuit chip are connected, and the connecting end of the storage battery and the 4 th pin of the first integrated circuit chip are connected with each other and is the cathode of the fire-fighting emergency lighting circuit.

4. The human body induction LED lamp circuit with fire emergency lighting function according to claim 2, wherein the ambient light detection circuit comprises a tenth resistor and a phototransistor, one end of the tenth resistor is the positive electrode of the ambient light detection circuit, the other end of the tenth resistor is connected with the collector of the phototransistor, the connection end of the tenth resistor is the output end of the ambient light detection circuit, and the emission set of the phototransistor is the negative electrode of the ambient light detection circuit.

5. The human body induction LED lamp circuit with fire emergency lighting function according to claim 2, wherein the logic control circuit comprises a fourth diode, a fifth diode, an eleventh resistor and a fourth capacitor. The fourth diode and the fifth diode are rectifier diodes, the anode of the fourth diode is the first input end of the logic control circuit, the anode of the fifth diode is the second input end of the logic control circuit, the cathode of the fourth diode, the cathode of the fifth diode, one end of the eleventh resistor and one end of the fourth capacitor are connected, the connecting end of the eleventh resistor and the other end of the fourth capacitor are connected, and the connecting end of the eleventh resistor and the other end of the fourth capacitor are connected.

6. The human body induction LED lamp circuit with the fire-fighting emergency lighting function according to claim 2, characterized in that the constant current control circuit is realized by a linear regulation type constant current control circuit, and comprises a second integrated circuit chip, a twelfth resistor, a thirteenth resistor, a fifth capacitor and an NMOS (N-channel metal oxide semiconductor) tube, wherein the fifth capacitor is an electrolytic capacitor, the model of the second integrated circuit chip is SM2083, one end of the twelfth resistor is connected with the positive electrode of the fifth capacitor, the connecting end of the twelfth resistor is the positive electrode of the constant current control circuit, the other end of the twelfth resistor is connected with the 1 st pin of the second integrated circuit chip, the 8 th pin of the second integrated circuit chip is the output end of the constant current control circuit, the 4 th pin of the second integrated circuit chip is the first control end of the constant current control circuit, the 5 th pin of the second integrated circuit chip is connected with one end of the thirteenth resistor, the other end of the thirteenth resistor is connected with the drain electrode of the NMOS, the grid electrode of the NMOS tube is the second control end of the constant current control circuit, the 3 rd pin of the second integrated circuit chip, the negative electrode of the fifth capacitor and the source electrode of the NMOS tube are connected, and the connecting end of the fifth pin of the second integrated circuit chip and the negative electrode of the NMOS tube is the negative electrode of the constant current control circuit.