CN111638664A - Induction lamp with safety protection function and safety protection system - Google Patents
Induction lamp with safety protection function and safety protection system Download PDFInfo
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- CN111638664A CN111638664A CN202010344314.9A CN202010344314A CN111638664A CN 111638664 A CN111638664 A CN 111638664A CN 202010344314 A CN202010344314 A CN 202010344314A CN 111638664 A CN111638664 A CN 111638664A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/32—Pulse-control circuits
- H05B45/325—Pulse-width modulation [PWM]
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention provides an induction lamp with a safety protection function and a safety protection system, wherein the induction lamp with the safety protection function comprises a control panel, an LED (light-emitting diode) lighting module, an infrared detector and a gas detector; the control panel is provided with an infrared detector, a single chip microcomputer, a WIFI module and a power module; the LED lighting module is connected to a signal output port of the single chip microcomputer; the infrared detector is used for detecting whether a person is in the detection area or not, generating a human body detection signal and transmitting the human body detection signal to the single chip microcomputer; the single chip microcomputer judges whether a person exists in the detection area or not, and if yes, a lighting signal is output to the LED lighting module; the coal gas detector is used for detecting whether coal gas leaks or not, generating a coal gas leakage signal and transmitting the coal gas leakage signal to the single chip microcomputer, the single chip microcomputer receives the coal gas leakage signal, and the coal gas leakage alarm signal is sent to the intelligent terminal through the WIFI module. The induction lamp can automatically induce illumination and detect gas leakage, is convenient to use and easy to install.
Description
Technical Field
The invention relates to the field of safety protection, in particular to an induction lamp with a safety protection function and a safety protection system.
Background
With the development of society and the continuous improvement of the quality of life of people, the illumination induction lamp has already entered the family of common people. At present, the illumination induction lamp popular in the market does not have the function of gas leakage detection, if the induction control and the gas leakage detection of the illumination lamp are realized, two different devices need to be installed in the same region, but the two devices are installed in the same region, so that the problems of inconvenient on-off control and use, complex installation procedures, large occupied area and space, high installation and use cost and the like exist.
Disclosure of Invention
Based on the above, the embodiment of the invention provides an induction lamp with a safety protection function and a safety protection system.
According to one aspect of the embodiment of the invention, the induction lamp with the safety protection function comprises a lamp shell, a control panel, an infrared detector, an LED lighting module and a gas detector; the lamp shell is provided with an infrared detection window; the control panel and the infrared detector are arranged inside the lamp shell; the infrared detector detects whether a person exists through the infrared detection window; the LED lighting module is arranged on the lamp shell; the gas detector is arranged outside the lamp shell;
the infrared detector, the single chip microcomputer, the WIFI module and the power module are arranged on the control panel; the single chip microcomputer is provided with a signal input port, a signal output port, a first data transmission port and a first power input port; the WIFI module is provided with a second data transmission port and a second power input port, and the second data transmission port of the WIFI module is connected with the first data transmission port of the single chip microcomputer to realize communication; the power supply module is provided with a direct-current power supply output end, and the direct-current power supply output end is connected with a first power supply input port of the single chip microcomputer and a second power supply input port of the WIFI module to provide power;
the LED lighting module is connected to a signal output port of the singlechip and receives a control signal of the singlechip to light on or off;
the infrared detector is connected to a signal input port of the single chip microcomputer, and when the infrared detector detects a person, a human body detection signal is sent out and transmitted to the single chip microcomputer; the single chip microcomputer receives the human body detection signal and outputs a lighting signal to the LED lighting module;
the gas detector is connected to a signal input port of the single chip microcomputer, and when gas leaks, the gas detector sends a gas leakage signal to the single chip microcomputer; the single chip microcomputer receives the gas leakage signal and sends a gas leakage alarm signal to the intelligent terminal through the WIFI module.
The induction lamp with the safety protection function can automatically judge whether a person exists in the detection area, and turn on the lighting module when the person exists, and turn off the lighting module when the person does not exist; meanwhile, whether gas leakage exists or not can be automatically detected, and automatic alarm is given when gas leakage occurs. The induction lamp with the safety protection function is convenient to control, use and install.
In an optional embodiment, a gas signal amplifying circuit is further arranged on the control panel; the coal gas signal amplifying circuit is connected between the signal output end of the coal gas detector and the signal input end of the single chip microcomputer and used for amplifying the coal gas concentration signal output by the coal gas detector and transmitting the amplified coal gas concentration signal to the single chip microcomputer.
In an optional embodiment, a first wireless sending module is arranged on the control board; the first wireless sending module is connected to the signal input end of the gas signal amplifying circuit; the gas detector comprises a probe and a first wireless sending module which are electrically connected with each other; the first wireless sending module and the first wireless receiving module are in wireless connection to realize signal transmission; a probe of the gas detector generates a gas concentration signal, and the gas concentration signal is sent to the first wireless receiving module through the first wireless sending module; the first wireless receiving module receives the gas concentration signal, and the gas concentration signal is amplified by the gas signal amplifying circuit and then transmitted to the single chip microcomputer.
In an optional embodiment, an infrared signal amplifying circuit is further arranged on the control board; the infrared signal amplifying circuit is connected between the infrared detector and the signal input port of the single chip microcomputer and used for amplifying and transmitting the human body detection signal to the single chip microcomputer.
In an optional embodiment, the device further comprises a temperature detector; the temperature detector is connected to a signal input port of the single chip microcomputer, and when the temperature detector detects the temperature of the cooking range, a cooking range temperature signal is sent out and transmitted to the single chip microcomputer; the single chip microcomputer receives a cooking stove temperature signal, starts timing when a human body detection signal is not received, and sends a cooking stove opening alarm signal to the intelligent terminal through the WIFI module when timing time exceeds a preset time threshold value.
In an optional embodiment, a temperature signal amplifying circuit is further arranged on the control board; the temperature signal amplifying circuit is connected between the temperature detector and the signal input port of the single chip microcomputer and used for amplifying the temperature signal and transmitting the temperature signal to the single chip microcomputer.
In an optional embodiment, a second wireless receiving module is arranged on the control board; the second wireless receiving module is connected to the signal input end of the temperature signal amplifying circuit; the temperature detector comprises a temperature sensor probe and a second wireless sending module which are electrically connected with each other; the second wireless sending module is wirelessly connected with the second wireless receiving module to realize signal transmission; the temperature sensor probe generates a temperature signal and sends the temperature signal to the second wireless receiving module through the second wireless sending module; the second wireless receiving module receives the temperature signal, and the temperature signal is amplified by the temperature signal amplifying circuit and then transmitted to the single chip microcomputer.
In an optional embodiment, a natural light detection window is further arranged on the lamp housing; the induction lamp also comprises a natural light brightness detector; the natural light brightness detector is connected to a signal input port of the single chip microcomputer, and when the natural light brightness reaches a certain degree, a natural light intensity signal is sent out and transmitted to the single chip microcomputer; and the singlechip receives the natural light intensity signal and outputs a light-off signal to the LED lighting module.
In an optional embodiment, the control board is further provided with an illumination driving circuit; the lighting driving circuit is connected between the single chip microcomputer and the LED lighting module; the lighting driving circuit comprises an N-channel MOS tube, a grid G of the N-channel MOS tube is connected to a signal output port of the single chip microcomputer, a source S of the N-channel MOS tube is connected to the negative electrode of the direct-current power supply output end of the power supply module, and a drain D of the N-channel MOS tube is connected to the negative electrode of the LED lighting module; the anode of the LED lighting module is connected to the anode of the direct-current power supply output end of the power supply module; when the signal output port of the single chip microcomputer outputs a high level, the N-channel MOS tube is conducted, so that the cathode of the LED illumination module is connected to the cathode of the direct-current power supply output end of the power supply module, and a current loop is formed to enable the LED illumination module to be electrified and lightened.
According to another aspect of the embodiment of the invention, a safety protection system is provided, which includes the induction lamp with the safety protection function and the intelligent terminal;
the induction lamp comprises a control box, an LED lighting module, an infrared detector and a gas detector;
a control panel is arranged in the control box, and a singlechip and a WIFI module which are electrically connected with each other are arranged on the control panel; the single chip microcomputer is connected to the Internet through the WIFI module and is connected with the intelligent terminal through a network;
the infrared detector is connected to a signal input port of the single chip microcomputer, and when the infrared detector detects a person, a human body detection signal is sent out and transmitted to the single chip microcomputer; the single chip microcomputer receives the human body detection signal and outputs a lighting signal to the LED lighting module;
the gas detector is connected to a signal input port of the single chip microcomputer, and when gas leaks, the gas detector sends a gas leakage signal to the single chip microcomputer; the single chip microcomputer receives the gas leakage signal and sends a gas leakage alarm signal to the intelligent terminal through the WIFI module;
and the user presets a coal gas concentration threshold value and the lighting time of the unmanned LED lighting module through the intelligent terminal.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed. For a better understanding and practice, the invention is described in detail below with reference to the accompanying drawings.
Drawings
Fig. 1 is a block diagram of an induction lamp with a safety protection function according to an embodiment of the present invention;
FIG. 2 is a schematic circuit connection diagram of a single chip according to an embodiment of the present invention;
fig. 3 is a schematic circuit connection diagram of a WIFI module and a single chip microcomputer according to an embodiment of the present invention;
FIG. 4 is a schematic circuit diagram of an illumination driving circuit according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a circuit connection between an infrared detector and a single chip according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a circuit connection between a gas detector and a single chip microcomputer according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a circuit connection between a temperature detector and a single chip according to an embodiment of the present invention;
fig. 8 is a block diagram of a safety protection system according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present invention. The word "if/if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
Please refer to fig. 1, which is a block diagram of an induction lamp with a safety protection function according to an embodiment of the present invention.
The induction lamp with the safety protection function comprises a lamp shell (not shown), a control panel 10, an LED lighting module 20, an infrared detector 30, a gas detector 40 and a temperature detector 50.
The lamp shell is provided with an infrared detection window; the control board 10 and the infrared detector 30 are arranged inside the lamp shell; the infrared detector 30 detects whether there is a person through the infrared detection window; the LED lighting module 20 is mounted on the lamp shell; the gas detector 40 is arranged outside the lamp housing.
The infrared detector 30, the single chip microcomputer 11, the WIFI module 13 and the power module are arranged on the control panel 10; the single chip microcomputer 11 is provided with a signal input port, a signal output port, a first data transmission port and a first power input port; the WIFI module 13 is provided with a second data transmission port and a second power input port, and the second data transmission port of the WIFI module 13 is connected with the first data transmission port of the single chip microcomputer 11 to realize communication;
the power supply module is provided with a first direct-current power supply output end and a second direct-current power supply output end, and the first direct-current power supply output end is connected with a first power supply input port of the single chip microcomputer 11 and a second power supply input port of the WIFI module 13 to provide power; the second dc power output end is connected to the LED lighting module 20 for providing power.
The LED lighting module 20 is connected to a signal output port of the singlechip 11, and receives a control signal of the singlechip 11 to light on or off;
the infrared detector 30 is connected to a signal input port of the single chip microcomputer 11, and when the infrared detector 30 detects a person, a human body detection signal is sent out and transmitted to the single chip microcomputer 11; the single chip microcomputer 11 receives the human body detection signal and outputs a lighting signal to the LED lighting module 20;
the gas detector 40 is connected to a signal input port of the singlechip 11, and when gas leaks, the gas detector 40 sends a gas leakage signal to the singlechip 11; the single chip microcomputer 11 receives the gas leakage signal and sends a gas leakage alarm signal to the intelligent terminal through the WIFI module 20.
The induction lamp with the safety protection function can automatically judge whether a person exists in the detection area, and turn on the lighting module when the person exists, and turn off the lighting module when the person does not exist; meanwhile, whether gas leakage exists or not can be automatically detected, automatic alarm is given when gas leakage occurs, control is convenient, use is convenient, installation is easy, and safety factor of gas use in a kitchen is improved.
The lamp shell is provided with an infrared detection window and a natural light detection window.
Please refer to fig. 2, which is a schematic circuit connection diagram of a single chip according to an embodiment of the present invention.
The single chip microcomputer 11 acquires a human body detection signal sent by the infrared detector 30 through a P0.5 port, acquires a stove temperature signal sent by the temperature detector 50 through a P1.7 port, acquires a gas leakage signal sent by the gas detector 40 through a P0.4 port, and outputs a lamp lighting signal to the lighting drive circuit 12 through the P1.1 port.
Please refer to fig. 3, which is a schematic diagram of a circuit connection between a WIFI module and a single chip according to an embodiment of the present invention.
As shown in the figure, the WIFI module 13 is connected to the data transmission port RX and TX of the single chip microcomputer 11 through the data transmission port and the data reception port, so as to realize communication between the WIFI module 13 and the single chip microcomputer 11, and transmit the related signal to the intelligent terminal, or receive the related control signal from the intelligent terminal. WIFI module 13 can adopt the WIFI module among the prior art.
The power module has a first direct current power supply output end and a second direct current power supply output end, the first direct current power supply output end is connected with the control box, and the power is supplied to the single chip microcomputer 11, the WIFI module 13, the coal gas signal amplifying circuit, the infrared signal amplifying circuit, the temperature signal amplifying circuit and the natural light brightness detecting circuit in the control box. The positive electrode of the second dc power output end is connected to the positive electrode of the LED lighting module 20, and the negative electrode of the second dc power output end is connected to the negative electrode of the LED lighting module 20 through the source S and the drain D of the N-channel MOS transistor Q2 of the lighting driving circuit 12.
In an optional embodiment, the power module comprises a live wire input end, a zero wire input end, a piezoresistor, a filter, a rectifier bridge, a low-pass filter, a high-frequency oscillation and voltage stabilization circuit, a first direct-current power output end and a second direct-current power output end which are electrically connected in sequence. The piezoresistor is connected between the input end of the live wire and the input end of the zero line and used for preventing high-voltage pulse and surge interference; a fuse is also connected between the piezoresistor and the input end of the live wire and is used for preventing overload; the filter is used for conducting interference; the rectifier bridge is used for converting alternating current into high-voltage direct current; the low-pass filter filters the high-voltage direct current to prevent radiation interference; the high-frequency oscillation and voltage stabilizing circuit samples the output current through the sampling resistor and controls the conduction time of the switching device, namely, the duty ratio is controlled to achieve constant current output. The first direct current power output end consists of a high-frequency transformer, a diode, a capacitor and a resistor and is used for outputting 10-12V direct current to provide power for circuits in the control box. The second direct-current power supply output end consists of a high-frequency transformer, a diode, a capacitor and a resistor and is used for providing power for the LED lighting module.
Please refer to fig. 4, which is a circuit connection diagram of the lighting driving circuit according to the embodiment of the invention.
In an optional embodiment, the control board is further provided with a lighting driving circuit 12; the lighting driving circuit 12 is connected between the power module 14 and the LED lighting module 20; the anode LED + of the LED lighting module 20 is connected to the anode of the DC power output end of the power module 12; the cathode LED of the LED lighting module 20 is connected to the cathode of the dc power output of the power module 12. An N-channel MOS transistor Q2 is disposed on a current loop of the LED lighting module 20, a gate G of the N-channel MOS transistor Q2 is connected to a port P1.1 of a driving signal output end of the single chip microcomputer 11 for receiving a PWM pulse driving signal, a source S of the N-channel MOS transistor Q is connected to a negative electrode of a dc power output end of the power module 14, and a drain D of the N-channel MOS transistor Q2 is connected to a negative electrode terminal LED-of the LED lighting. When the port P1.1 of the driving signal output end of the single chip microcomputer 11 outputs a high level, that is, when the voltage Vgs of the N-channel MOS transistor Q2 is greater than the turn-on voltage of the N-channel MOS transistor Q2, a current flows from the drain D to the source S, a current loop of the LED lighting module 20 is formed, and the LED lighting module 20 is turned on; on the contrary, when the driving signal output end (7 th port) of the single chip outputs a low level, the LED lighting module 20 is turned off, thereby implementing on/off control and brightness adjustment of the LED lighting module 20. Optionally, an inductor L1 is further connected between the lighting module 2 and the lighting driving circuit 12, and the inductor L1 is used for suppressing spike interference and avoiding lamp flickering.
The LED lighting module 20 is controlled by a circuit to be turned on or off, namely, a non-contact electronic switch is adopted, and a mechanical contact switch is not adopted, so that electric sparks are not generated when the lamp is turned on, the problems of explosion and the like caused by gas leakage are avoided, and the LED lighting module is safe.
Please refer to fig. 5, which is a schematic diagram of a circuit connection between an infrared detector and a single chip according to an embodiment of the present invention.
The signal output end, i.e. the first pin, of the infrared detector 30 is connected to the signal input port P0.5 of the single chip microcomputer 11, so as to input the human body detection signal into the single chip microcomputer 11 to realize detection.
In an optional embodiment, an infrared signal amplifying circuit is further arranged on the control board. The infrared signal amplifying circuit is connected between the infrared detector 30 and the signal input port of the single chip microcomputer 11 and used for amplifying and transmitting the human body detection signal to the single chip microcomputer 11 so that the single chip microcomputer 11 can judge whether a person is in the detection area or not, and if the person is, the LED illumination module 20 is turned on for illumination. Specifically, a signal output end, i.e., a first pin, of the infrared detector 30 is connected to an inverting input end of the operational amplifier IC1B, and a non-inverting input end of the operational amplifier IC1B is connected to a reference power supply; the signal output end of the operational amplifier IC1B is connected with the reverse input end of the operational amplifier IC1A, and the non-inverting input end of the operational amplifier IC1A is connected with a reference power supply; and the signal output end of the operational amplifier IC1A is connected to the signal input port P0.5 of the singlechip 11.
Please refer to fig. 6, which is a schematic diagram of a circuit connection between a gas detector and a single chip according to an embodiment of the present invention.
The gas detector 40 is arranged outside the lamp shell and is connected to the control panel through an interface. Specifically, the signal output end of the gas detector 40 is connected to the signal input port P0.4 of the single chip microcomputer 11 through an isolating optocoupler PC807, so as to input a gas leakage signal into the single chip microcomputer to realize detection.
In an optional embodiment, a gas signal amplifying circuit is further arranged on the control panel; the gas signal amplifying circuit is connected between the signal output end of the gas detector 40 and the signal input end of the singlechip 11, and is used for amplifying the gas concentration signal output by the gas detector 40 and transmitting the gas concentration signal to the singlechip 11.
The gas detector 40 can be directly connected with the gas signal amplifying circuit through a wire, and the development cost is low because a wireless transceiving module is not adopted during wired connection.
In addition, the gas detector 40 and the control box can be wirelessly connected through a wireless transceiver module.
When in wireless connection, a first wireless sending module is arranged on the control panel; the first wireless sending module is connected to the signal input end of the gas signal amplifying circuit; the gas detector 40 comprises a probe and a first wireless sending module which are electrically connected with each other; the first wireless sending module and the first wireless receiving module are in wireless connection to realize signal transmission; a probe of the gas detector 40 generates a gas concentration signal, and the gas concentration signal is sent to the first wireless receiving module through the first wireless sending module; the first wireless receiving module receives the gas concentration signal, and the gas concentration signal is amplified by the gas signal amplifying circuit and then transmitted to the single chip microcomputer 11. In addition, the gas detector 40 further comprises a battery and a low-power consumption signal processing circuit; the battery is electrically connected with the low-power-consumption signal processing circuit and the first wireless sending module to provide power; the low-power consumption signal processing circuit is connected between the probe and the first wireless sending module, and the low-power consumption signal processing circuit is used for carrying out low-power consumption processing on the gas concentration signal and then sending the gas concentration signal to the first wireless receiving module through the first wireless sending module; the first wireless receiving module receives the gas concentration signal, amplifies the signal through the gas signal amplifying circuit and outputs the amplified signal to the signal input port of the single chip microcomputer 11. During wireless connection, the installation is convenient, and the construction cost is relatively less.
In an alternative embodiment, the induction light fixture further comprises a temperature probe 50.
Please refer to fig. 7, which is a schematic diagram of a circuit connection between a temperature detector and a single chip according to an embodiment of the present invention.
The temperature detector 50 is used for detecting the temperature around the stove, is arranged outside the lamp housing, and is connected to the control board 10 through an interface. The signal output end of the temperature detector 50 is connected to the signal input port P1.7 of the single chip microcomputer 11, and generates a stove temperature signal which is transmitted to the single chip microcomputer 11 to realize stove temperature detection. The single chip microcomputer 11 is preset with a temperature threshold value and a time threshold value, the single chip microcomputer 11 receives the temperature signal to judge whether the temperature value reaches the preset temperature threshold value, and if the temperature value reaches the preset temperature threshold value, the stove is judged to be started; judge the kitchen range when singlechip 11 and open, and start the timing when judging the detection area nobody, when the timing time reaches predetermined time threshold, through WIFI module 13 sends alarm prompt signal to intelligent terminal. With this arrangement, the range can be prevented from continuing to burn and catching fire after the user leaves the kitchen.
In an optional embodiment, a temperature signal amplifying circuit is further arranged on the control board; the temperature signal amplifying circuit is connected between the temperature detector 50 and the signal input port of the single chip microcomputer 11, and is used for amplifying the temperature signal and transmitting the temperature signal to the single chip microcomputer 11.
The temperature detector 50 may be directly connected to the temperature signal amplifying circuit through a wire, or may be wirelessly connected through a wireless transceiver module. When in wired connection, the wireless transceiving module is not adopted, so the research and development cost is lower.
When in wireless connection, a second wireless receiving module is arranged on the control panel; the second wireless receiving module is connected to the signal input end of the temperature signal amplifying circuit; the temperature detector 50 comprises a temperature sensor probe and a second wireless sending module which are electrically connected with each other; the second wireless sending module is wirelessly connected with the second wireless receiving module to realize signal transmission; the temperature sensor probe generates a temperature signal and sends the temperature signal to the second wireless receiving module through the second wireless sending module; the second wireless receiving module receives the temperature signal, and the temperature signal is amplified by the temperature signal amplifying circuit and then transmitted to the single chip microcomputer 11. In addition, the temperature detector 50 further includes a battery and a low power consumption signal processing circuit; the battery is electrically connected with the low-power-consumption signal processing circuit and the second wireless sending module to provide power; the low-power-consumption signal processing circuit is connected between the probe and the second wireless sending module, and the temperature signal is subjected to low-power-consumption processing and then sent to the second wireless receiving module through the second wireless sending module; the second wireless receiving module receives the temperature signal, amplifies the temperature signal by the gas signal amplifying circuit and outputs the amplified temperature signal to the signal input port of the single chip microcomputer 11. During wireless connection, the installation is convenient, and the construction cost is relatively less.
In an optional embodiment, a natural light detection window is further arranged on the lamp housing; the induction lamp also comprises a natural light brightness detector; the natural light brightness detector is connected to a signal input port of the single chip microcomputer, and when the natural light brightness reaches a certain degree, a natural light intensity signal is sent out and transmitted to the single chip microcomputer; and the singlechip receives the natural light intensity signal and outputs a light-off signal to the LED lighting module. Specifically, a light intensity threshold is preset in the single chip microcomputer 11, the single chip microcomputer 11 receives the natural light brightness signal, determines whether the natural light brightness signal reaches the preset light intensity threshold, and sends a light turning-off signal to the LED lighting module if the natural light brightness signal reaches the preset light intensity threshold. Through natural light brightness detection circuit, realize closing daytime LED lighting module opens when illuminance is lower night LED lighting module need not artifical manual opening LED lighting module, convenient to use, and the energy saving.
The single chip microcomputer 11 detects an infrared human body detection signal, a temperature change signal and a natural environment brightness signal through an ADC port respectively, and detects a gas alarm signal through a common IO port, so that a driver is controlled to turn on or turn off a lamp. The single chip microcomputer 11 is also provided with parameters such as human body induction sensitivity, a coal gas concentration threshold value, a temperature threshold value, a time threshold value, a natural light intensity threshold value and the like. Singlechip 11 passes through WIFI module 13 and is connected with the internet to realize communication with intelligent terminal, send alarm signal to intelligent terminal, in addition, the user can also set up above-mentioned relevant parameter through intelligent terminal, in order to improve the adaptability of response lamps and lanterns.
According to the induction lamp with the safety protection function, the lighting module and the gas detector are integrated into one induction lamp, whether a person exists in a detection area can be automatically judged, the lighting module is turned on when the person exists, and the lighting module is turned off when the person does not exist; meanwhile, whether gas leakage exists or not can be automatically detected, automatic alarm is given when gas leakage occurs, control is convenient, use is convenient, installation is easy, and safety factor of kitchen use is improved. In addition, whether the stove is started or not can be detected, whether a person is in a kitchen or not is detected after the stove is started, time is automatically calculated when a user leaves the kitchen, and alarm prompt information is sent to the intelligent terminal through the WIFI module after a certain time; and can also control LED lighting module and light at night or when natural light is darker automatically, self-closing in daytime or when natural light is stronger, convenient to use.
Please refer to fig. 8, which is a block diagram illustrating a security system according to an embodiment of the present invention.
According to a second aspect of the embodiments of the present invention, there is provided a safety protection system, including the induction lamp 100 with safety protection function and the intelligent terminal 200 as described above;
the induction lamp 100 comprises a control box 10, an LED lighting module 20, an infrared detector 30 and a gas detector 40; a control panel is arranged in the control box 10, and a single chip microcomputer 11, a WIFI module 13 and a power module which are electrically connected with each other are arranged on the control panel; the single chip microcomputer 11 is connected to the internet through the WIFI module 13;
the intelligent terminal 200 comprises a control module 201, a touch display module 202 and a network connection module 203 which are electrically connected with each other; the touch display module 202 is used for displaying and setting relevant parameters of the induction lamp 100; the control module 201 is connected to the internet through the network connection module 203, and communicates with the single chip microcomputer 11 of the induction lamp 100.
The infrared detector 30 is connected to a signal input port of the single chip microcomputer 11, and when the infrared detector 30 detects a person, a human body detection signal is sent out and transmitted to the single chip microcomputer 11; the single chip microcomputer 11 receives the human body detection signal and outputs a lighting signal to the LED lighting module 20;
the gas detector 40 is connected to a signal input port of the singlechip 11, and when gas leaks, the gas detector 40 sends a gas leakage signal to the singlechip 11; the single chip microcomputer 11 receives the gas leakage signal and sends a gas leakage alarm signal to the control module 201 of the intelligent terminal 200 through the WIFI module 13;
the user passes through intelligent terminal 200 presets the coal gas concentration threshold value of response lamps and lanterns 100, human response sensitivity value, natural light intensity threshold value, temperature threshold value, the time threshold value that LED lighting module 20 lighted to and the lighting time of LED lighting module 20 when nobody in the detection zone.
The safety protection system provided by the embodiment of the invention can automatically judge whether a person exists in the detection area, and turn on the lighting module when the person exists, and turn off the lighting module when the person does not exist; meanwhile, whether gas leakage exists or not can be automatically detected, and automatic alarm is given when gas leakage occurs. Simultaneously, this response lamps and lanterns can also detect whether the kitchen range has someone on duty, and unmanned on duty, the kitchen range opens and sends alarm prompt information to intelligent terminal through the WIFI module after the certain time, has improved the factor of safety that the kitchen range used in the kitchen, prevents that coal gas from leaking, the appearance of potential safety hazard such as the kitchen range of catching fire for a long time burns. Related parameters can be set through the intelligent terminal 200 to improve the adaptability of the induction lamp 100.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (10)
1. An induction lamp with a safety protection function is characterized by comprising a lamp shell, a control panel, an infrared detector, an LED lighting module and a gas detector; the lamp shell is provided with an infrared detection window; the control panel and the infrared detector are arranged inside the lamp shell; the infrared detector detects whether a person exists through the infrared detection window; the LED lighting module is arranged on the lamp shell; the gas detector is arranged outside the lamp shell;
the infrared detector, the single chip microcomputer, the WIFI module and the power module are arranged on the control panel; the single chip microcomputer is provided with a signal input port, a signal output port, a first data transmission port and a first power input port; the WIFI module is provided with a second data transmission port and a second power input port, and the second data transmission port of the WIFI module is connected with the first data transmission port of the single chip microcomputer to realize communication; the power supply module is provided with a direct-current power supply output end, and the direct-current power supply output end is connected with a first power supply input port of the single chip microcomputer and a second power supply input port of the WIFI module to provide power;
the LED lighting module is connected to a signal output port of the singlechip and receives a control signal of the singlechip to light on or off;
the infrared detector is connected to a signal input port of the single chip microcomputer, and when the infrared detector detects a person, a human body detection signal is sent out and transmitted to the single chip microcomputer; the single chip microcomputer receives the human body detection signal and outputs a lighting signal to the LED lighting module;
the gas detector is connected to a signal input port of the single chip microcomputer, and when gas leaks, the gas detector sends a gas leakage signal to the single chip microcomputer; the single chip microcomputer receives the gas leakage signal and sends a gas leakage alarm signal to the intelligent terminal through the WIFI module.
2. The induction lamp with the safety protection function as claimed in claim 1, wherein a gas signal amplifying circuit is further arranged on the control panel; the coal gas signal amplifying circuit is connected between the signal output end of the coal gas detector and the signal input end of the single chip microcomputer and used for amplifying the coal gas concentration signal output by the coal gas detector and transmitting the amplified coal gas concentration signal to the single chip microcomputer.
3. The induction lamp with the safety protection function as claimed in claim 2, wherein the control board is provided with a first wireless transmission module; the first wireless sending module is connected to the signal input end of the gas signal amplifying circuit; the gas detector comprises a probe and a first wireless sending module which are electrically connected with each other; the first wireless sending module and the first wireless receiving module are in wireless connection to realize signal transmission; a probe of the gas detector generates a gas concentration signal, and the gas concentration signal is sent to the first wireless receiving module through the first wireless sending module; the first wireless receiving module receives the gas concentration signal, and the gas concentration signal is amplified by the gas signal amplifying circuit and then transmitted to the single chip microcomputer.
4. The induction lamp with the safety protection function as claimed in claim 1, wherein an infrared signal amplifying circuit is further arranged on the control board; the infrared signal amplifying circuit is connected between the infrared detector and the signal input port of the single chip microcomputer and used for amplifying and transmitting the human body detection signal to the single chip microcomputer.
5. The induction lamp with safety protection function as claimed in claim 1, further comprising a temperature detector; the temperature detector is connected to a signal input port of the single chip microcomputer, and when the temperature detector detects the temperature of the cooking range, a cooking range temperature signal is sent out and transmitted to the single chip microcomputer; the single chip microcomputer receives a cooking stove temperature signal, starts timing when a human body detection signal is not received, and sends a cooking stove opening alarm signal to the intelligent terminal through the WIFI module when timing time exceeds a preset time threshold value.
6. The induction lamp with the safety protection function as claimed in claim 5, wherein the control board is further provided with a temperature signal amplifying circuit; the temperature signal amplifying circuit is connected between the temperature detector and the signal input port of the single chip microcomputer and used for amplifying the temperature signal and transmitting the temperature signal to the single chip microcomputer.
7. The induction lamp with the safety protection function as claimed in claim 6, wherein a second wireless receiving module is arranged on the control panel; the second wireless receiving module is connected to the signal input end of the temperature signal amplifying circuit; the temperature detector comprises a temperature sensor probe and a second wireless sending module which are electrically connected with each other; the second wireless sending module is wirelessly connected with the second wireless receiving module to realize signal transmission; the temperature sensor probe generates a temperature signal and sends the temperature signal to the second wireless receiving module through the second wireless sending module; the second wireless receiving module receives the temperature signal, and the temperature signal is amplified by the temperature signal amplifying circuit and then transmitted to the single chip microcomputer.
8. The induction lamp with the safety protection function as claimed in claim 1, wherein a natural light detection window is further arranged on the lamp housing; the induction lamp also comprises a natural light brightness detector; the natural light brightness detector is connected to a signal input port of the single chip microcomputer, and when the natural light brightness reaches a certain degree, a natural light intensity signal is sent out and transmitted to the single chip microcomputer; and the singlechip receives the natural light intensity signal and outputs a light-off signal to the LED lighting module.
9. The induction lamp with the safety protection function as claimed in claim 1, wherein the control board is further provided with an illumination driving circuit; the lighting driving circuit is connected between the single chip microcomputer and the LED lighting module; the lighting driving circuit comprises an N-channel MOS tube, a grid G of the N-channel MOS tube is connected to a signal output port of the single chip microcomputer, a source S of the N-channel MOS tube is connected to the negative electrode of the direct-current power supply output end of the power supply module, and a drain D of the N-channel MOS tube is connected to the negative electrode of the LED lighting module; the anode of the LED lighting module is connected to the anode of the direct-current power supply output end of the power supply module; when the signal output port of the single chip microcomputer outputs a high level, the N-channel MOS tube is conducted, so that the cathode of the LED illumination module is connected to the cathode of the direct-current power supply output end of the power supply module, and a current loop is formed to enable the LED illumination module to be electrified and lightened.
10. A safety protection system, characterized by comprising the induction lamp with the safety protection function and the intelligent terminal according to any one of claims 1 to 9;
the induction lamp comprises a control box, an LED lighting module, an infrared detector and a gas detector;
a control panel is arranged in the control box, and a singlechip and a WIFI module which are electrically connected with each other are arranged on the control panel; the single chip microcomputer is connected to the Internet through the WIFI module and is connected with the intelligent terminal through a network;
the infrared detector is connected to a signal input port of the single chip microcomputer, and when the infrared detector detects a person, a human body detection signal is sent out and transmitted to the single chip microcomputer; the single chip microcomputer receives the human body detection signal and outputs a lighting signal to the LED lighting module;
the gas detector is connected to a signal input port of the single chip microcomputer, and when gas leaks, the gas detector sends a gas leakage signal to the single chip microcomputer; the single chip microcomputer receives the gas leakage signal and sends a gas leakage alarm signal to the intelligent terminal through the WIFI module;
and the user presets a coal gas concentration threshold value and the lighting time of the unmanned LED lighting module through the intelligent terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010344314.9A CN111638664A (en) | 2020-04-27 | 2020-04-27 | Induction lamp with safety protection function and safety protection system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010344314.9A CN111638664A (en) | 2020-04-27 | 2020-04-27 | Induction lamp with safety protection function and safety protection system |
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| CN111638664A true CN111638664A (en) | 2020-09-08 |
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| CN202010344314.9A Pending CN111638664A (en) | 2020-04-27 | 2020-04-27 | Induction lamp with safety protection function and safety protection system |
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Application publication date: 20200908 |