LED electronic candle for celebration

Abstract

On the basis of the existing LED electronic candle, the LED electronic candle for celebration is additionally provided with an ambient light signal detection and processing circuit for simulating a person to lighten the candle and an air vibration signal detection and processing circuit for simulating a person to blow out the candle, and meanwhile, a control circuit for lightening or extinguishing an LED is designed. When a user simulates to lighten a candle, the ambient light signal detecting and processing circuit outputs a high level to the control circuit, and at the moment, if the LED lamp is in an off state, an AND gate in the control circuit is conducted, so that the output of the bistable trigger is changed into the high level, and the LED lamp is lighted. Meanwhile, when a user simulates to blow out the candle, the gas vibration signal detecting and processing circuit outputs a high level to a NOT gate in the control circuit, and the high level is converted into a low level signal to be output to the zero clearing end of the bistable trigger, so that the Q end of the bistable trigger outputs the low level, and the LED lamp is switched off and extinguished. In this way, it is achieved that people are simulated to lighten and blow out candles in various celebration scenes, pollution is reduced while atmosphere rendering is achieved, and public fire safety is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of light control, and more specifically, relates to an LED electronic candle for celebrations, which can be used to simulate people lighting and blowing out candles in various celebration scenes. Background Art

[0002] In many celebrations, such as birthday parties, wedding ceremonies, and various team-building activities, petrochemical candles are often used to provide a certain brightness of lighting to create an atmosphere. This form of lighting will cause certain environmental pollution, including pollution from the candle production process and waste gas and waste residue pollution from candle burning, and there are also certain fire safety hazards.

[0003] Energy conservation and environmental protection are the needs of social development. LED lights are widely used in home lighting, LCD TVs, toys, indicator lights of various home appliances and instrumentation equipment, etc. On the one hand, it provides consumers with a cost-effective energy-saving lighting form, and on the other hand, it saves a lot of electricity costs for the country, enterprises, institutions and individuals.

[0004] Using LED lights to replace candles to achieve the same effect as celebration lighting can effectively reduce pollution, save energy, and is beneficial to public fire safety.

[0005] In the Chinese invention patent with the authorization announcement number CN117580225B and the name "Control method, device, system and storage medium for LED electronic candles", the method includes obtaining the address information of each electronic candle, and in response to the light mode input operation triggered by the user, obtaining at least two light modes input by the user, and the at least two light modes include a first light mode and a second light mode; generating a first light control queue according to the first light mode and the address information, generating a second light control queue according to the second light mode and the address information, generating a cache control queue according to the first light control queue and / or the second light control queue, and controlling the light-emitting state of each electronic candle based on the first light control queue, the cache control queue and the second light control queue. The present invention sets a cache control queue between the two modes, and there is no need to turn off all lamp beads when switching modes, which reduces the delay of switching and improves the control efficiency. This invention patent is a light control method of multiple light module queues, which does not involve simulating people to light and blow out candles.

[0006] Similarly, in the Chinese invention patent application with publication number CN112833356A and titled “A LED electronic candle lamp” published on May 25, 2021, the LED electronic candle lamp includes a support seat, a first groove is provided in the support seat, a first motor is fixedly connected in the first groove, a driving wheel is fixedly connected to the output shaft of the first motor, a belt is rotatably connected to the surface of the driving wheel, a driven wheel is rotatably connected in the belt, a rotating shaft is fixedly connected in the driven wheel, a second bearing is fixedly connected in the support seat, and a support plate is fixedly connected to the top of the rotating shaft through the second bearing. Its beneficial effect is that the LED electronic candle lamp, by setting a first motor, a driving wheel and a driven wheel, drives the driving wheel to rotate by rotating the output shaft of the first motor, thereby driving the belt to rotate and drive the driven wheel to rotate, and then drives the rotating shaft to rotate, and the support plate can be driven to rotate with the cooperation of the rolling of the roller, thereby driving the LED lamp to rotate, which is convenient for users to operate and use. Similarly, this invention patent application does not involve simulating people to light and blow out candles. Summary of the invention

[0007] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a celebration LED electronic candle, which can be used to simulate people lighting and blowing out candles in various celebration scenes, reduce pollution while rendering the atmosphere, and is beneficial to public fire safety.

[0008] In order to achieve the above-mentioned utility model purpose, the utility model of LED electronic candle for celebration includes an LED lamp and an LED driving circuit;

[0009] It is characterized by further comprising:

[0010] The control circuit includes a bistable trigger, an AND gate and a NOT gate. The Q end of the bistable trigger is output to the LED driving circuit. The output of the LED driving circuit is connected to an input end of the LED lamp and the AND gate. When the Q end of the bistable trigger is at a high level, the output of the LED driving circuit is at a low level, the LED lamp is driven to be turned on, and the LED lamp is lit. At the same time, the output of the locked AND gate is kept at a low level, the LED lamp is kept in a lit state, and the locked ambient light detection does not work. When the Q end of the bistable trigger is at a high level, the output of the LED driving circuit is at a high level, the LED lamp is driven to be turned off, and the LED lamp is extinguished. At the same time, the output of the AND gate is turned on to release the locked state of the ambient light detection. The output level depends on the level of the other input end. The output end of the AND gate is connected to the clock port of the bistable trigger. When the clock port has a rising edge, the output of the bistable trigger, i.e., the Q end, is reversed.

[0011] The ambient light signal detection and processing circuit is used to simulate a person lighting a candle. When the brightness signal of the ambient light is detected to be greater than a given threshold, a high-level signal is output to the other input end of the AND gate in the control circuit; when the brightness signal of the ambient light is detected to be less than or equal to the given threshold, a low-level signal is output to the other input end of the AND gate in the control circuit;

[0012] The air vibration signal detection and processing circuit is used to simulate a person blowing out a candle. When it is detected that the air vibration intensity is greater than a given threshold, a high-level signal is output to the NOT gate in the control circuit, which is converted into a low-level signal and output to the clearing end of the bistable trigger, so that the Q end of the bistable trigger outputs a low level, disconnects the LED light, and turns off the LED light. When it is detected that the air vibration intensity is less than a given threshold, a low-level signal is output to the NOT gate in the control circuit, which is converted into a high-level signal and output to the clearing end of the bistable trigger, and the Q end output of the bistable trigger remains unchanged.

[0013] The purpose of the utility model is achieved in this way.

[0014] The utility model of the LED electronic candle for celebration is based on the existing LED electronic candle, and adds an ambient light signal detection and processing circuit for simulating people lighting candles, and an air vibration signal detection and processing circuit for simulating people blowing out candles. At the same time, a control circuit for lighting or extinguishing LEDs is designed. When the user simulates lighting the candle, the ambient light signal detection and processing circuit outputs a high level to the control circuit. At this time, if the LED lamp is in the extinguished state, the AND gate in the control circuit is turned on, so that the output of the bistable trigger becomes a high level, so that the LED lamp is lit. At the same time, when the user simulates blowing out the candle, the air vibration signal detection and processing circuit outputs a high level to the NOT gate in the control circuit, which becomes a low level signal output to the reset end of the bistable trigger, so that the Q end of the bistable trigger outputs a low level, so that the LED lamp is disconnected and the LED lamp is extinguished. In this way, it is possible to simulate people lighting and blowing out candles in various celebration scenes, reduce pollution while rendering the atmosphere, and at the same time be beneficial to public fire safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the principle of a specific implementation method of the utility model LED electronic candle for celebrations;

[0016] Figure 2 The utility model is a circuit principle diagram of a specific implementation method of the LED electronic candle for celebration. DETAILED DESCRIPTION

[0017] The specific implementation of the utility model is described below in conjunction with the accompanying drawings so that those skilled in the art can better understand the utility model. It should be noted that in the following description, when the detailed description of known functions and designs may dilute the main content of the utility model, these descriptions will be omitted here.

[0018] Figure 1 The utility model is a schematic diagram of the principle of a specific implementation method of the LED electronic candle for celebration.

[0019] In this embodiment, if Figure 1 As shown, the utility model of the LED electronic candle for celebration includes an LED lamp 1 and an LED driving circuit 2. On this basis, in order to simulate people lighting and blowing out candles in various celebration scenes, a control circuit 3, an ambient light signal detection and processing circuit 4 and an air vibration signal detection and processing circuit 5 are added.

[0020] The control circuit 3 includes a bistable trigger 301, an AND gate 302 and a NOT gate 303. The Q end of the bistable trigger 301 is output to the LED driving circuit 2. The output of the LED driving circuit 2 is connected to the LED lamp 1 and an input end of the AND gate 302, namely, the input end 1. When the Q end of the bistable trigger 301 is at a high level, the output of the LED driving circuit 2 is at a low level, driving the LED lamp 1 to be turned on and lighting the LED lamp 1. At the same time, the output of the locked AND gate 302 is kept at a low level, maintaining the LED lamp 1 in a lighting state, and the locked ambient light detection does not work. When the Q end of the bistable trigger 301 is at a high level, the output of the LED driving circuit 2 is at a high level, driving the LED lamp 1 to be disconnected and extinguishing the LED lamp 1. At the same time, the output of the AND gate 302 is turned on to release the locked state of the ambient light detection. Its output level depends on the level of the other input end, namely the input end 2. The output end of the AND gate 302 is connected to the clock port clk of the bistable trigger 301. When a rising edge arrives at the clock end clk, the output of the bistable trigger 301, namely the Q end, is reversed.

[0021] In this embodiment, the control circuit 3 further includes an OR gate 304, the output end of the AND gate 302 is connected to an input end of the OR gate 304, namely, input end 1, and then connected to the clock port of the bistable trigger 301 through the output end of the OR gate 304.

[0022] In the present embodiment, the utility model celebration LED electronic candle also includes a touch switch circuit 6. When it is pressed, it outputs a high-level signal to the other input end of the OR gate 304 in the control circuit 3, namely the input end 2. When it is not pressed, it outputs a low-level signal to the other input end of the OR gate 304 in the control circuit 3, namely the input end 2. In this way, each time the touch switch circuit is pressed, a rising edge will be generated, which will be input to the clock port clk of the bistable trigger 301 through the OR gate 304. When the clock port clk has a rising edge, the output of the bistable trigger 301, namely the Q end, is reversed. In this way, the LED lamp 1 can be manually turned on or off.

[0023] The ambient light signal detection and processing circuit 4 is used to simulate a person lighting a candle. When the brightness signal of the ambient light is detected to be greater than a given threshold, a high-level signal is output to the other input end of the AND gate 302 in the control circuit 3, namely, port 2; when the brightness signal of the ambient light is detected to be less than or equal to the given threshold, a low-level signal is output to the other input end of the AND gate 302 in the control circuit 3, namely, port 2. When the user simulates lighting a candle, the ambient light signal detection and processing circuit 4 outputs a high level to the control circuit 3. At this time, if the LED light is off, the AND gate 302 in the control circuit 3 is turned on, and a rising edge is generated at the clock port of the bistable trigger 301. The output of the bistable trigger 301, namely, the Q end, is reversed, and the output of the bistable trigger 301 becomes a high level, so that the LED light 1 is lit.

[0024] In this embodiment, the ambient light signal detection and processing circuit 4 outputs a high level, which passes through the AND gate 302 and the OR gate 304 to generate a rising edge at the clock port of the bistable trigger 301, and the output of the bistable trigger 301, i.e., the Q end, is reversed, and the output of the bistable trigger 301 becomes a high level, so that the LED lamp 1 lights up.

[0025] The air vibration signal detection and processing circuit 5 is used to simulate a person blowing out a candle. When it is detected that the air vibration intensity is greater than a given threshold, a high-level signal is output to the NOT gate 303 in the control circuit 3, which is converted into a low-level signal and output to the clearing terminal clr of the bistable trigger 301, so that the Q-terminal output of the bistable trigger 301 is low-level, so that the LED light is disconnected and the LED light is turned off. When it is detected that the air vibration intensity is less than a given threshold, a low-level signal is output to the NOT gate 303 in the control circuit 3, which is converted into a high-level signal and output to the clearing terminal clr of the bistable trigger, and the Q-terminal output of the bistable trigger 301 remains unchanged.

[0026] Figure 2 The utility model is a circuit principle diagram of a specific implementation method of the LED electronic candle for celebration.

[0027] In this embodiment, if Figure 2As shown, the LED lamp 1 is LED1, and the LED driving circuit 2 is composed of a transistor Q1 and resistors R8 and R9. The emitter of the transistor Q1 is grounded, the collector is connected to the power supply Vcc through LED1 and resistor R8, and the base is connected to the Q end of the bistable trigger 301 of the control circuit 3 through resistor R9. At the same time, the collector of the transistor Q1 is connected to one input end, namely, input end 1, of the AND gate 302 of the control circuit 3. In this way, when the Q end of the bistable trigger 301 is at a high level, the output of the LED driving circuit 2 is at a low level, driving the LED lamp 1 to turn on and light up the LED lamp 1. At the same time, the output of the locked AND gate 302 is kept at a low level. When the Q end of the bistable trigger 301 is at a high level, the output of the LED driving circuit 2 is at a high level, driving the LED lamp 1 to turn off and turn off the LED lamp 1. At the same time, the output of the AND gate 302 is turned on, and its output level depends on the level of the other input end, namely, input end 2.

[0028] In this embodiment, if Figure 2 As shown, the bistable trigger 301 is composed of a D trigger U1A, whose Q non-terminal -1Q is connected to the D terminal 1D to form a bistable trigger.

[0029] In this embodiment, if Figure 2 As shown, the ambient light signal detection and processing circuit 4 is composed of a photoresistor R1, an operational amplifier U2A, resistors R2, R3, R4, R5, R6 and capacitors C1 and C2. When there is no light, the voltage of the photoresistor R1 and the resistor R2 is lower than the voltage of the voltage divider circuit of R3 and R4, and the operational amplifier U2A outputs a low level; when there is light, that is, when simulating a person lighting a candle, the photoresistor R1 detects that the brightness signal of the ambient light is greater than a given threshold, the resistance becomes smaller, the voltage divided by the photoresistor R1 and the resistor R2 is higher than the voltage divided by the resistor R3 and the resistor R4, and the voltage of the in-phase terminal of the operational amplifier U2A is higher than the inverting terminal, and a high level is output, which is output to the other input terminal of the AND gate 302 in the control circuit 3, namely, port 2, through the resistor R6. At this time, if the LED lamp is in the off state, the AND gate 302 in the control circuit 3 is turned on, and a rising edge is generated at the clock port of the bistable trigger 301. The output of the bistable trigger 301, i.e., the Q end, is reversed, and the output of the bistable trigger 301 becomes a high level, so that the LED lamp 1 is lit. At the same time, the output of the locking AND gate 302 remains at a low level, maintaining the LED lamp 1 in the lit state, and the locking ambient light detection does not work. The resistor R5 and the capacitor C1 in the circuit act as negative feedback to improve the control accuracy and system operation stability. After the photoelectric sensor collects the light intensity, it will output a voltage value related to the light intensity. Due to external interference, its own electromagnetic interference, and noise, etc., the signal will have a certain impact. The collected signal is filtered by the RC low-pass filter composed of R6 and C2.

[0030] In this embodiment, if Figure 2As shown, the air vibration signal detection and processing circuit 5 is composed of an air vibration detection electret microphone MIC, transistors Q2, Q3, Q4, resistors R10, R11, R12, R13, R14 and capacitors C3, C4, C5. In the air vibration signal detection and processing circuit 5, the air vibration caused by the "blowing" action is converted into an electrical signal by the electret sensor MIC and input into the transistor Q4. After passing through the air vibration signal detection and processing circuit composed of the transistors Q2, Q3, resistors R10, R11, R12, R13, R14 and capacitors C3, C4, C5, a high-level signal is output to the NOT gate 303 in the control circuit 3, which is converted into a low-level signal and output to the reset terminal clr of the bistable trigger 301, so that the Q terminal of the bistable trigger 301 outputs a low level, so that the LED lamp is disconnected, and the LED lamp is extinguished. At the same time, the locking state of the ambient light detection is released.

[0031] In this embodiment, if Figure 2 As shown, the touch switch circuit 6 is composed of a touch switch S and a resistor R7. The touch switch S is a touch switch circuit. When the switch is pressed lightly, a high-level signal is output to the other input terminal of the control circuit 3 or the gate 304, namely, the input terminal 2. When the switch is not pressed, a low-level signal is output to the other input terminal of the control circuit 3 or the gate 304, namely, the input terminal 2.

[0032] Although the above describes an illustrative specific implementation manner of the present invention to facilitate technical personnel in this technical field to understand the present invention, it should be clear that the present invention is not limited to the scope of the specific implementation manner. For ordinary technical personnel in this technical field, as long as various changes are within the spirit and scope of the present invention defined and determined by the attached claims, these changes are obvious, and all inventions and creations using the concept of the present invention are protected.

Claims

1. A LED electronic candle for celebration, comprising an LED lamp and an LED driving circuit; It is characterized in that Also includes: The control circuit includes a bistable trigger, an AND gate and a NOT gate. The Q end of the bistable trigger is output to the LED driving circuit. The output of the LED driving circuit is connected to an input end of the LED lamp and the AND gate. When the Q end of the bistable trigger is at a high level, the output of the LED driving circuit is at a low level, the LED lamp is driven to be turned on, and the LED lamp is lit. At the same time, the output of the locked AND gate is kept at a low level, the LED lamp is kept in a lit state, and the locked ambient light detection does not work. When the Q end of the bistable trigger is at a high level, the output of the LED driving circuit is at a high level, the LED lamp is driven to be turned off, and the LED lamp is extinguished. At the same time, the output of the AND gate is turned on to release the locked state of the ambient light detection. The output level depends on the level of the other input end. The output end of the AND gate is connected to the clock port of the bistable trigger. When the clock port has a rising edge, the output of the bistable trigger, i.e., the Q end, is reversed. The ambient light signal detection and processing circuit is used to simulate a person lighting a candle. When the brightness signal of the ambient light is detected to be greater than a given threshold, a high-level signal is output to the other input end of the AND gate in the control circuit; when the brightness signal of the ambient light is detected to be less than or equal to the given threshold, a low-level signal is output to the other input end of the AND gate in the control circuit; The air vibration signal detection and processing circuit is used to simulate a person blowing out a candle. When it is detected that the air vibration intensity is greater than a given threshold, a high-level signal is output to the NOT gate in the control circuit, which is converted into a low-level signal and output to the clearing end of the bistable trigger, so that the Q end of the bistable trigger outputs a low level, disconnects the LED light, and turns off the LED light. When it is detected that the air vibration intensity is less than a given threshold, a low-level signal is output to the NOT gate in the control circuit, which is converted into a high-level signal and output to the clearing end of the bistable trigger, and the Q end output of the bistable trigger remains unchanged.

2. The LED electronic candle for celebration according to claim 1, characterized in that: The control circuit also includes an OR gate, the output end of the AND gate is connected to an input end of the OR gate, and then connected to a clock port of the bistable trigger through the output end of the OR gate; It also includes a touch switch circuit, which outputs a high-level signal to the other input end of the OR gate in the control circuit when it is pressed, and outputs a low-level signal to the other input end of the OR gate in the control circuit when it is not pressed. In this way, each time the touch switch circuit is pressed, a rising edge is generated, which is input to the clock port clk of the bistable trigger through the OR gate. When the clock port clk has a rising edge, the output of the bistable trigger, i.e., the Q end, is reversed.

3. The LED electronic candle for celebration according to claim 1, characterized in that: The bistable trigger is composed of a D trigger, and its Q non-terminal is connected to the D terminal.

4. The LED electronic candle for celebration according to claim 1, characterized in that: The air vibration signal detection and processing circuit uses an electret sensor to detect air vibration.

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