Battery type driving device

Abstract

The utility model discloses a battery type driving device, and relates to the technical field of animal driving devices. The device comprises a single-chip microcomputer control circuit, an LED blue lamp driving circuit, an ultrasonic frequency gear adjusting circuit, an ultrasonic driving circuit, an infrared induction sensing signal processing circuit, an infrared induction circuit, an infrared induction sensitivity adjusting circuit and a power supply circuit. The single chip microcomputer control circuit is respectively connected with the LED blue lamp driving circuit, the ultrasonic frequency gear adjusting circuit, the ultrasonic driving circuit and the infrared induction sensing signal processing circuit, the infrared induction sensing signal processing circuit is respectively connected with the infrared induction circuit and the infrared induction sensitivity adjusting circuit, and the power supply circuit supplies power to each circuit. The animal driving device is simple to operate, flexible to use, wide in driving range, good in animal driving function and effect, wide in applicability, low in cost and wide in application prospect, and can be widely applied to farms, vegetable fields, orchards or places harmed by animals.

Description

Technical Field

[0001] The utility model relates to the technical field of animal repellers, in particular to a battery-type repeller. Background Art

[0002] The number of wild animals in my country is growing rapidly, among which birds and rodents cause damage to crops. Such a large group has caused serious harm to people's production and life in terms of spreading diseases, affecting agriculture, forestry and animal husbandry. Therefore, it is very important to protect crops and people's living environment. At present, people often use repellers to stimulate animals with ultrasound and strong light to drive them away. However, most of the existing animal repellers on the market have simple structures, single functions, poor intelligence, inflexible use, small driving range, few animal species, poor effect, high price, and can only be used in some specific environments, with general applicability. Based on this, it is particularly necessary to design a battery-powered repeller. Utility Model Content

[0003] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a battery-type repeller with reasonable structural design, simple operation, flexible use, wide repeller range, good repeller effect, and can be widely used in places where animals pose a threat. It has wide applicability, low cost, strong practicality, and is easy to promote and use.

[0004] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a battery-type repeller, including a single-chip microcomputer control circuit, an LED blue light driving circuit, an ultrasonic frequency gear adjustment circuit, an ultrasonic driving circuit, an infrared sensing sensor signal processing circuit, an infrared sensing circuit, an infrared sensing sensitivity adjustment circuit and a power supply circuit. The single-chip microcomputer control circuit is respectively connected to the LED blue light driving circuit, the ultrasonic frequency gear adjustment circuit, the ultrasonic driving circuit, and the infrared sensing sensor signal processing circuit. The infrared sensing sensor signal processing circuit is respectively connected to the infrared sensing circuit and the infrared sensing sensitivity adjustment circuit. The power supply circuit provides power for each circuit.

[0005] Preferably, the single-chip microcomputer control circuit includes a single-chip microcomputer and a first capacitor, the LED blue light driving circuit includes a blue light and a first resistor, the ultrasonic frequency gear adjustment circuit includes a gear adjustment potentiometer, the ultrasonic driving circuit includes an inductor, a sensor, a transistor, and a second resistor, pin 1 of the single-chip microcomputer is connected to the VCC end of the power supply circuit, a first capacitor is connected between pin 1 and pin 8 of the single-chip microcomputer, pin 8 of the single-chip microcomputer is grounded, pin 1 of the single-chip microcomputer is connected to the first resistor to the positive end of the blue light, the negative end of the blue light is connected to pin 3 of the single-chip microcomputer, pins 6 and 7 of the single-chip microcomputer are respectively connected to pin 1 and pin 2 of the gear adjustment potentiometer, pin 3 of the gear adjustment potentiometer is grounded, pin 5 of the single-chip microcomputer is connected to the second resistor to the base of the transistor, the emitter of the transistor is grounded, and the collector of the transistor is connected to the parallel circuit of the inductor and the sensor to the VCC power supply end; the single-chip microcomputer adopts single-chip microcomputer 060D, and the transistor adopts transistor 8050.

[0006] Preferably, the infrared sensing signal processing circuit includes a sensor signal processing chip, a third resistor-a seventh resistor, a second capacitor-a fifth capacitor, an infrared sensing circuit includes an infrared sensor, an eighth resistor-an eleventh resistor, a sixth capacitor-an eleventh capacitor, an infrared sensing sensitivity adjustment circuit includes a sensitivity adjustment potentiometer, a twelfth resistor, and a sensor signal processing chip. Pin 2 is connected to the third resistor and to pin 2 of the single-chip computer. Pins 1 and 7 of the sensor signal processing chip are grounded, and pins 8, 9, and 11 of the sensor signal processing chip are connected to V A fourth resistor and a fifth resistor are connected between pins 3 and 4 and between pins 5 and 6 of the sensor signal processing chip, respectively; pins 4 and 5 of the sensor signal processing chip are connected to the second capacitor and the third capacitor to the ground, respectively; a parallel circuit of a fourth capacitor and a sixth resistor is connected between pins 15 and 16 of the sensor signal processing chip; pin 15 of the sensor signal processing chip is connected to the seventh resistor to the positive terminal of the fifth capacitor, and the negative terminal of the fifth capacitor is grounded; pin 9 of the sensor signal processing chip is connected to the sixth capacitor and the eighth resistor to the sensor signal processing chip in sequence; The 10th pin of the chip, the node between the sixth capacitor and the eighth resistor and the 3rd pin of the infrared sensor are connected, the 3rd pin of the infrared sensor is grounded, the 2nd pin of the infrared sensor is connected to the 14th pin of the sensor signal processing chip, the 2nd pin of the infrared sensor is also connected to the parallel circuit of the ninth resistor and the seventh capacitor to the ground, the 1st pin of the infrared sensor is connected to the parallel circuit of the eighth capacitor and the ninth capacitor to the ground, the 1st pin of the infrared sensor is also connected to the tenth resistor to the VCC power supply terminal, the tenth capacitor is connected between the 12th and 13th pins of the sensor signal processing chip, and the sensor signal processing chip Pin 13 of the chip is connected to the positive end of the eleventh resistor and the eleventh capacitor, and the negative end of the eleventh capacitor is connected to pin 16 of the sensor signal processing chip; pin 12 of the sensor signal processing chip is connected to pin 1 of the twelfth resistor and the sensitivity adjustment potentiometer, pin 2 of the sensitivity adjustment potentiometer is the adjustable end, and pin 3 of the sensitivity adjustment potentiometer is connected to pin 13 of the sensor signal processing chip; the sensor signal processing chip adopts the infrared sensor signal processor BISS0001-C115919, and the infrared sensor adopts the 500BP infrared sensor.

[0007] Preferably, the power supply circuit is composed of a voltage stabilizing chip, a twelfth capacitor to a seventeenth capacitor, a knob switch and a battery. The input end of the voltage stabilizing chip is connected to the knob switch to the positive electrode of the battery, the negative electrode of the battery is grounded, the input end of the voltage stabilizing chip is connected to the positive electrode of the twelfth capacitor, the negative electrode of the twelfth capacitor is grounded, the input end of the voltage stabilizing chip is also connected to the thirteenth capacitor to the ground, the GND end of the voltage stabilizing chip is grounded, the output end of the voltage stabilizing chip is the VCC power supply end, and the output end of the voltage stabilizing chip is connected to the parallel circuit of the fourteenth capacitor, the fifteenth capacitor, the sixteenth capacitor and the seventeenth capacitor to the ground; the voltage stabilizing chip adopts the voltage stabilizer chip HT7533-1.

[0008] The beneficial effects of the utility model are as follows: the device is simple to operate, flexible to use, has a wide driving range, has a good animal driving function, can be widely used in farms, vegetable fields, orchards or places where animals are endangered, has a wide applicability, low cost, is practical and reliable, and has broad application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] The utility model is described in detail below with reference to the accompanying drawings and specific implementation methods;

[0010] Figure 1 This is a circuit diagram of the utility model;

[0011] Figure 2 A circuit diagram of the utility model;

[0012] Figure 3 It is a structural schematic diagram of the utility model. DETAILED DESCRIPTION

[0013] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0014] Reference Figure 1-3 This specific implementation adopts the following technical solution: a battery-type repeller, including a single-chip control circuit 1, an LED blue light driving circuit 2, an ultrasonic frequency gear adjustment circuit 3, an ultrasonic driving circuit 4, an infrared sensing sensor signal processing circuit 5, an infrared sensing circuit 6, an infrared sensing sensitivity adjustment circuit 7 and a power supply circuit 8. The single-chip control circuit 1 is respectively connected to the LED blue light driving circuit 2, the ultrasonic frequency gear adjustment circuit 3, the ultrasonic driving circuit 4, and the infrared sensing sensor signal processing circuit 5. The infrared sensing sensor signal processing circuit 5 is respectively connected to the infrared sensing circuit 6 and the infrared sensing sensitivity adjustment circuit 7. The power supply circuit 8 provides power for each circuit. Specifically, the structure and connection of each circuit are as follows:

[0015] The single-chip control circuit 1 includes a single-chip U1 and a first capacitor C1, the LED blue light driving circuit 2 includes a blue light LED1 and a first resistor R1, the ultrasonic frequency gear adjustment circuit 3 includes a gear adjustment potentiometer RP1, the ultrasonic driving circuit 4 includes an inductor L1, a sensor SPK1, a transistor Q1, and a second resistor R2, the 1st pin of the single-chip U1 is connected to the VCC end of the power supply circuit 8, the first capacitor C1 is connected between the 1st pin and the 8th pin of the single-chip U1, the 8th pin of the single-chip U1 is grounded, and the 1st pin of the single-chip U1 is connected to the first resistor R1 to the blue light L The positive terminal of ED1 and the negative terminal of the blue light LED1 are connected to the 3rd pin of the single-chip computer U1, the 6th pin and the 7th pin of the single-chip computer U1 are respectively connected to the 1st pin and the 2nd pin of the gear adjustment potentiometer RP1, the 3rd pin of the gear adjustment potentiometer RP1 is grounded, the 5th pin of the single-chip computer U1 is connected to the second resistor R2 to the base of the transistor Q1, the emitter of the transistor Q1 is grounded, and the collector of the transistor Q1 is connected to the parallel circuit of the inductor L1 and the sensor SPK1 to the VCC power supply terminal; the single-chip computer U1 adopts the single-chip computer 060D, and the transistor Q1 adopts the transistor 8050.

[0016] The infrared sensing signal processing circuit 5 includes a sensing signal processing chip U2, a third resistor R3-a seventh resistor R7, a second capacitor C2-a fifth capacitor C5, an infrared sensing circuit 6 includes an infrared sensor PIR1, an eighth resistor R8-an eleventh resistor R11, a sixth capacitor C6-an eleventh capacitor C11, an infrared sensing sensitivity adjustment circuit 7 includes a sensitivity adjustment potentiometer RP2, a twelfth resistor R12, pin 2 of the sensing signal processing chip U2 is connected to pin 2 of the third resistor R3 and the microcontroller U1, pins 1 and 7 of the sensing signal processing chip U2 are grounded, and pins 8, 9, and 11 of the sensing signal processing chip U2 are connected to VCC At the power supply end, the fourth resistor R4 and the fifth resistor R5 are connected between the 3rd and 4th pins and between the 5th and 6th pins of the sensor signal processing chip U2 respectively, the 4th and 5th pins of the sensor signal processing chip U2 are connected to the second capacitor C2 and the third capacitor C3 to the ground respectively, the parallel circuit of the fourth capacitor C4 and the sixth resistor R6 is connected between the 15th and 16th pins of the sensor signal processing chip U2, the 15th pin of the sensor signal processing chip U2 is connected to the seventh resistor R7 to the positive terminal of the fifth capacitor C5, and the negative terminal of the fifth capacitor C5 is grounded; the 9th pin of the sensor signal processing chip U2 is connected to the sixth capacitor C6 and the eighth resistor R8 to the 10th pin of the sensor signal processing chip U2 in sequence. , the node between the sixth capacitor C6 and the eighth resistor R8 is connected to the 3rd pin of the infrared sensor PIR1, the 3rd pin of the infrared sensor PIR1 is grounded, the 2nd pin of the infrared sensor PIR1 is connected to the 14th pin of the sensor signal processing chip U2, the 2nd pin of the infrared sensor PIR1 is also connected to the parallel circuit of the ninth resistor R9 and the seventh capacitor C7 to the ground, the 1st pin of the infrared sensor PIR1 is connected to the parallel circuit of the eighth capacitor C8 and the ninth capacitor C9 to the ground, the 1st pin of the infrared sensor PIR1 is also connected to the tenth resistor R10 to the VCC power supply terminal, the tenth capacitor C10 is connected between the 12th and 13th pins of the sensor signal processing chip U2, the sensor signal Pin 13 of the processing chip U2 is connected to the positive terminal of the eleventh resistor R11 to the eleventh capacitor C11, and the negative terminal of the eleventh capacitor C11 is connected to pin 16 of the sensor signal processing chip U2; pin 12 of the sensor signal processing chip U2 is connected to pin 1 of the twelfth resistor R12 to the sensitivity adjustment potentiometer RP2, pin 2 of the sensitivity adjustment potentiometer RP2 is an adjustable end, and pin 3 of the sensitivity adjustment potentiometer RP2 is connected to pin 13 of the sensor signal processing chip U2; the sensor signal processing chip U2 adopts the infrared sensor signal processor BISS0001-C115919, and the infrared sensor PIR1 adopts a 500BP infrared sensor.

[0017] The power supply circuit 8 is composed of a voltage stabilizing chip U3, a twelfth capacitor C12 to a seventeenth capacitor C17, a knob switch S1 and a battery BT. The input end of the voltage stabilizing chip U3 is connected to the knob switch S1 to the positive electrode of the battery BT, the negative electrode of the battery BT is grounded, the input end of the voltage stabilizing chip U3 is connected to the positive electrode of the twelfth capacitor C12, the negative electrode of the twelfth capacitor C12 is grounded, the input end of the voltage stabilizing chip U3 is also connected to the thirteenth capacitor C13 to the ground end, the GND end of the voltage stabilizing chip U3 is grounded, and the voltage stabilizing chip The output end of chip U3 is the VCC power supply end. The output end of the voltage regulator chip U3 is connected to the parallel circuit of the fourteenth capacitor C14, the fifteenth capacitor C15, the sixteenth capacitor C16, and the seventeenth capacitor C17 to the ground end; the voltage regulator chip U3 adopts the voltage regulator chip HT7533-1, and the battery BT in the power supply circuit 8 is powered by three 1.5V No. 5 batteries connected in series to 4.5V. The 4.5V is stabilized to 3.3V by the voltage regulator chip U3 through the knob switch S1 to power the entire machine.

[0018] In this specific implementation, the sensitivity adjustment potentiometer RP2 is installed on the upper left of the front of the battery-type repeller, the gear adjustment potentiometer RP1 is installed on the upper right of the front of the repeller, the blue light LED1 is installed in the upper middle of the repeller, flashing outward through a diamond lens, the infrared sensor PIR1 is installed in the middle of the front of the repeller, sensing the moving animals in front through a Fresnel lens, and the sensor SPK1 is installed at the bottom of the front of the repeller.

[0019] The working principle of this specific implementation method is: when the infrared sensor PIR1 senses the movement of the animal, the sensing signal is input and processed by the 14th pin of the sensor signal processing chip U2 in the infrared sensing sensor signal processing circuit 5, and the signal is transmitted from the 2nd pin of the sensor signal processing chip U2 through the third resistor R3 to the 2nd pin of the single-chip microcomputer U1 in the single-chip microcomputer control circuit 1. After the single-chip microcomputer U1 receives the signal, the blue light LED1 is driven to flash from the 3rd pin of the single-chip microcomputer U1, and at the same time, the sensor SPK1 is driven to emit the adjusted frequency from the 5th pin of the single-chip microcomputer U1 through the second resistor R2 and the transistor Q1. The power switch has a gear adjustment potentiometer RP1 for ultrasonic frequency gear adjustment. Pin 1 and adjustable pin 2 of the gear adjustment potentiometer RP1 are respectively connected to pins 6 and 7 of the single-chip computer U1 to achieve frequency gear adjustment. The ultrasonic frequency of 16KHZ-65KHZ can be adjusted. There are 5 working frequencies in total. Press the clockwise knob switch with ultrasonic frequency gear knob. After turning on the switch, press clockwise to adjust from 1 to 5 frequency gears: Gear 1 is 16KHZ-25KHZ, Gear 2 is 25KHZ-35KHZ, and Gear 3 is 35KHZ 45KHZ, 4th gear is 45KHZ-55KHZ, 5th gear is 55KHZ-65KHZ; Pin 1 of the sensitivity adjustment potentiometer RP2 is connected to Pin 12 of the sensor signal processing chip U2 through the twelfth resistor R12, and the adjustable pin 2 of the sensitivity adjustment potentiometer RP2 is connected between Pin 1 of the potentiometer and the twelfth resistor R12 to achieve infrared sensing sensitivity adjustment, and the infrared sensing effective distance is 4-8 meters. When the repeller senses animal movement, it will work immediately, the sensor SPK1 will emit the adjusted ultrasonic frequency, and the blue light LED1 will flash at the same time, using the ultrasonic characteristics of different distances and different frequencies to drive different types of gears, making the animals feel uneasy to effectively drive away the animals.

[0020] This specific implementation has the function of sensing ultrasonic waves and flashing blue lights to drive away animals. The infrared sensor detects the movement of animals through the set sensitivity effective distance, and immediately emits the set ultrasonic frequency and flashing blue light, which causes the animal's auditory system, nervous system, and visual system to be confused, and then feel scared, achieving the purpose of driving away animals. The drive-away device is simple to operate, has excellent performance, is flexible to use, and has a good effect of driving away animals. It can be widely used in farms, vegetable fields, orchards or places where animals are endangered, and has broad market application prospects.

[0021] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A battery-type repeller, characterized in that: The invention comprises a single chip microcomputer control circuit (1), an LED blue light driving circuit (2), an ultrasonic frequency gear adjustment circuit (3), an ultrasonic driving circuit (4), an infrared sensing sensor signal processing circuit (5), an infrared sensing circuit (6), an infrared sensing sensitivity adjustment circuit (7) and a power supply circuit (8). The single chip microcomputer control circuit (1) is respectively connected to the LED blue light driving circuit (2), the ultrasonic frequency gear adjustment circuit (3), the ultrasonic driving circuit (4) and the infrared sensing sensor signal processing circuit (5); the infrared sensing sensor signal processing circuit (5) is respectively connected to the infrared sensing circuit (6) and the infrared sensing sensitivity adjustment circuit (7); and the power supply circuit (8) provides power to each circuit.

2. A battery-type repeller according to claim 1, characterized in that: The single-chip control circuit (1) includes a single-chip computer (U1) and a first capacitor (C1); the LED blue light driving circuit (2) includes a blue light (LED1) and a first resistor (R1); the ultrasonic frequency gear adjustment circuit (3) includes a gear adjustment potentiometer (RP1); the ultrasonic driving circuit (4) includes an inductor (L1), a sensor (SPK1), a transistor (Q1), and a second resistor (R2); pin 1 of the single-chip computer (U1) is connected to the VCC terminal of the power supply circuit (8); the first capacitor (C1) is connected between pin 1 and pin 8 of the single-chip computer (U1); pin 8 of the single-chip computer (U1) is grounded; pin 1 of the single-chip computer (U1) is connected to the first resistor ( R1) is connected to the positive terminal of the blue light (LED1), the negative terminal of the blue light (LED1) is connected to the 3rd pin of the single chip computer (U1), the 6th pin and the 7th pin of the single chip computer (U1) are respectively connected to the 1st pin and the 2nd pin of the gear adjustment potentiometer (RP1), the 3rd pin of the gear adjustment potentiometer (RP1) is grounded, the 5th pin of the single chip computer (U1) is connected to the second resistor (R2) to the base of the transistor (Q1), the emitter of the transistor (Q1) is grounded, and the collector of the transistor (Q1) is connected to the parallel circuit of the inductor (L1) and the sensor (SPK1) to the VCC power supply terminal; the single chip computer (U1) adopts the single chip computer 060D, and the transistor (Q1) adopts the transistor 8050.

3. A battery-type repeller according to claim 1, characterized in that: The infrared sensing signal processing circuit (5) includes a sensing signal processing chip (U2), a third resistor (R3)-a seventh resistor (R7), a second capacitor (C2)-a fifth capacitor (C5), the infrared sensing circuit (6) includes an infrared sensor (PIR1), an eighth resistor (R8)-an eleventh resistor (R11), a sixth capacitor (C6)-an eleventh capacitor (C11), the infrared sensing sensitivity adjustment circuit (7) includes a sensitivity adjustment potentiometer (RP2) and a twelfth resistor (R12), the second pin of the sensing signal processing chip (U2) is connected to the third resistor (R3) and the second pin of the single chip computer (U1), the first pin and the seventh pin of the sensing signal processing chip (U2) are both grounded, and the sensing circuit (6) includes an infrared sensor (PIR1), an eighth resistor (R8)-an eleventh resistor (R11), a sixth capacitor (C6)-an eleventh capacitor (C11), and the infrared sensing sensitivity adjustment circuit (7) includes a sensitivity adjustment potentiometer (RP2) and a twelfth resistor (R12). The 8th, 9th and 11th pins of the signal processing chip (U2) are all connected to the VCC power supply terminal; the 3rd and 4th pins and the 5th and 6th pins of the sensor signal processing chip (U2) are respectively connected to the fourth resistor (R4) and the fifth resistor (R5); the 4th and 5th pins of the sensor signal processing chip (U2) are respectively connected to the second capacitor (C2) and the third capacitor (C3) to the ground terminal; the 15th and 16th pins of the sensor signal processing chip (U2) are connected to a parallel circuit of a fourth capacitor (C4) and a sixth resistor (R6); the 15th pin of the sensor signal processing chip (U2) is connected to the seventh resistor (R7) to the positive terminal of the fifth capacitor (C5); and the negative terminal of the fifth capacitor (C5) is grounded; the sensor signal processing chip (U2) 2) is connected in sequence to the sixth capacitor (C6) and the eighth resistor (R8) to the 10th pin of the sensor signal processing chip (U2), the node between the sixth capacitor (C6) and the eighth resistor (R8) is connected to the 3rd pin of the infrared sensor (PIR1), the 3rd pin of the infrared sensor (PIR1) is grounded, the 2nd pin of the infrared sensor (PIR1) is connected to the 14th pin of the sensor signal processing chip (U2), the 2nd pin of the infrared sensor (PIR1) is also connected to the parallel circuit of the ninth resistor (R9) and the seventh capacitor (C7) to the ground, the 1st pin of the infrared sensor (PIR1) is connected to the parallel circuit of the eighth capacitor (C8) and the ninth capacitor (C9) to the ground, and the 1st pin of the infrared sensor (PIR1) is also connected The tenth resistor (R10) is connected to the VCC power supply terminal, the tenth capacitor (C10) is connected between the 12th and 13th pins of the sensor signal processing chip (U2), the 13th pin of the sensor signal processing chip (U2) is connected to the 11th resistor (R11) to the positive terminal of the 11th capacitor (C11), and the negative terminal of the 11th capacitor (C11) is connected to the 16th pin of the sensor signal processing chip (U2); the 12th pin of the sensor signal processing chip (U2) is connected to the 12th resistor (R12) to the 1st pin of the sensitivity adjustment potentiometer (RP2), the 2nd pin of the sensitivity adjustment potentiometer (RP2) is an adjustable end, and the 3rd pin of the sensitivity adjustment potentiometer (RP2) is connected to the 13th pin of the sensor signal processing chip (U2);The sensor signal processing chip (U2) adopts the infrared sensor signal processor BISS0001-C115919, and the infrared sensor (PIR1) adopts the 500BP infrared sensor. ; 4. A battery-type repeller according to claim 1, characterized in that: The power supply circuit (8) is composed of a voltage stabilizing chip (U3), a twelfth capacitor (C12)-a seventeenth capacitor (C17), a knob switch (S1) and a battery (BT). The input end of the voltage stabilizing chip (U3) is connected to the knob switch (S1) to the positive electrode of the battery (BT), the negative electrode of the battery (BT) is grounded, the input end of the voltage stabilizing chip (U3) is connected to the positive electrode of the twelfth capacitor (C12), the negative electrode of the twelfth capacitor (C12) is grounded, the input end of the voltage stabilizing chip (U3) is also connected to the thirteenth capacitor (C13) to the ground, the GND end of the voltage stabilizing chip (U3) is grounded, the output end of the voltage stabilizing chip (U3) is a VCC power supply end, and the output end of the voltage stabilizing chip (U3) is connected to the parallel circuit of the fourteenth capacitor (C14), the fifteenth capacitor (C15), the sixteenth capacitor (C16) and the seventeenth capacitor (C17) to the ground; the voltage stabilizing chip (U3) adopts the voltage stabilizer chip HT7533-1.

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