Flashing frequency mouse repeller

Abstract

A power supply booster circuit is connected with a voltage stabilizing circuit, and the voltage stabilizing power supply booster circuit, an LED red, green and blue lamp drive circuit, a stroboscopic drive circuit, a photosensitive drive circuit, an ultrasonic and horn drive circuit, a function selection circuit and a daytime and night conversion circuit are all connected with a single chip microcomputer control circuit 3; the single-chip microcomputer control circuit adopts a single-chip microcomputer, the model of the single-chip microcomputer is 053, the daytime and night conversion circuit adopts a conversion switch, a pin of the single-chip microcomputer is connected with a VDD 3.3 V end, and a pin 11 of the single-chip microcomputer is grounded; and a pin 7 of the singlechip is grounded through the change-over switch. The selected ULTRA horn sends out ultrasonic waves, the TRANS sensor sends out fixed ultrasonic waves and double-frequency ultrasonic waves, and the white lamp flashes quickly, so that rats hear the ultrasonic wave frequency or see the quick-flashing white lamp and feel afraid, the rats are repelled, and the mouse repelling device is widely used in places with rats.

Description

Technical Field

[0001] The utility model relates to an animal repeller which uses ultrasonic sensors and white light stroboscopic lights to drive away animals, in particular to a stroboscopic mouse repeller. Background Art

[0002] An animal repeller is a device designed to repel or prevent animals from entering a specific area by using ultrasound, light flashes, or other stimuli. These devices are often used to protect crops, gardening, prevent birds from striking wind turbines or buildings, and various other applications. A strobe mouse repeller is a device that uses rapidly flashing light to repel mice and other small mammals. These devices typically emit light pulses of a specific frequency designed to interfere with the visual system of mice, causing discomfort or confusion, thereby prompting them to leave an area. Existing strobe mouse repellers cannot control the mouse repelling function according to the degree of rodent infestation, and the mouse repelling effect is mostly unsatisfactory. In order to solve the above problems, the utility model designs a strobe mouse repeller that can select the repelling function according to the degree of rodent infestation. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model aims to provide a flash frequency mouse repeller with a reasonable structural design. The device emits ultrasonic waves through the selected ULTRA speaker, and the TRANS sensor emits fixed ultrasonic waves, dual-frequency ultrasonic waves, and flashing white lights, so that mice hear the ultrasonic frequency or see the flashing white lights and feel scared, thereby achieving the goal of driving away mice. The device is widely used in places with rodent infestation.

[0004] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a strobe mouse repeller, including a power boost circuit, a voltage stabilizing circuit, a single-chip control circuit, an LED red, green, blue light driving circuit, a strobe driving circuit, a photosensitive driving circuit, an ultrasonic and horn driving circuit, a function selection circuit and a day and night conversion circuit, the power boost circuit is connected to the voltage stabilizing circuit, the stabilizing power boost circuit, the LED red, green, blue light driving circuit, the strobe driving circuit, the photosensitive driving circuit, the ultrasonic and horn driving circuit, the function selection circuit and the day and night conversion circuit are all connected to the single-chip control circuit 3; the single-chip control circuit adopts a single-chip, model 053, the day and night conversion circuit adopts a conversion switch, the pin of the single-chip is connected to the VDD 3.3V terminal, the 11th pin is grounded; the 7th pin of the single-chip is grounded through the conversion switch.

[0005] Preferably, the power boost circuit adopts a boost chip, and the boost chip model is LN6291H; the power voltage stabilizing circuit includes a boost chip, an inductor, a first diode, a second diode, a twelfth resistor, a thirteenth resistor, a fourteenth resistor, a first capacitor, a second capacitor and a USB interface, and the DC voltage of the 5V power supply is connected to both ends of the second capacitor through the USB interface; pin 2 of the boost chip is grounded; pins 4 and 5 of the boost chip are connected to the 5V power supply end; pin 6 of the boost chip is grounded through the thirteenth resistor; the positive electrode of the first diode D1 is connected to pin 1 of the boost chip, and pin 3 of the boost chip is connected to the negative electrode of the second diode D2 through the fourteenth resistor; both ends of the twelfth resistor are respectively connected to pin 3 of the boost chip and the ground end, and both ends of the first capacitor are respectively connected to the negative electrode and the ground end of the second diode.

[0006] Preferably, the voltage stabilizing circuit includes a voltage stabilizing chip, the voltage stabilizing chip model is HT7550-1, the input terminal Vin of the voltage stabilizing chip is connected to the 9V terminal; after the eighth capacitor and the fourth capacitor are connected in parallel, the positive electrode is connected to the Vin terminal of the voltage stabilizing chip, and the negative electrode is grounded; the GND terminal of the voltage stabilizing chip is grounded; the seventh capacitor is connected to the output terminal Vout of the voltage stabilizing chip and the ground terminal.

[0007] Preferably, the LED red, green and blue light driving circuit includes a red light, a green light and a blue light. The red light is composed of three SMD LED red high-brightness lights R in parallel, and the three SMD LED green high-brightness lights G in parallel; the blue light is composed of three SMD LED blue high-brightness lights B in parallel, the pin 1 of the single-chip microcomputer is connected to the positive pole of the red light through the first resistor, and the negative pole of the red light is grounded; the pin 13 of the single-chip microcomputer is connected to the positive pole of the green light through the third resistor, and the negative pole of the green light is grounded; the pin 14 of the single-chip microcomputer is connected to the positive pole of the blue light through the second resistor, and the negative pole of the blue light is grounded.

[0008] Preferably, the strobe drive circuit adopts a white light D, which is composed of 9 high-brightness side SMD-L3.2-W1.0 white lights W connected in parallel. The positive pole of the white light is connected to the 9V terminal, and the negative pole is connected to the collector of the transistor SS8050 through the sixth resistor. The emitter of the transistor SS8050 is grounded, and the base of the transistor SS8050 is connected to the fourth resistor and one end of the fifth resistor. The other end of the fifth resistor is grounded, and the other end of the fourth resistor is connected to pin 2 of the microcontroller.

[0009] Preferably, the photosensitivity driving circuit comprises a photodiode, a transistor 8050, a seventh resistor, an eighth resistor, and a fifth capacitor. The emitter of the transistor 8050 is grounded, the pin 12 of the single-chip microcomputer is connected to the base of the transistor 8050 through the seventh resistor, the pin 12 of the single-chip microcomputer is connected to the collector of the transistor 8050 through the eighth resistor, the pin 10 of the single-chip microcomputer is connected to the collector of the transistor 8050, and the negative pole of the photodiode and the fifth capacitor are grounded after being connected in parallel, and the positive pole is connected to the base of the transistor 8050.

[0010] Preferably, the ultrasonic and speaker driving circuit is composed of a transformer, a transistor MJD31C, a sensor, a first speaker, a second speaker, a tenth resistor, and an eleventh resistor. Pin 8 of the single-chip microcomputer is connected to the base of the transistor MJD31C through the eleventh resistor; the emitter of the transistor MJD31C is grounded; one end of the transformer input group is connected to the 9V terminal, and the other end of the transformer input group is connected to the collector of the transistor MJD31C; the two ends of the sensor are respectively connected to the two ends of the transformer output group; after the first speaker and the second speaker are connected in parallel, the positive pole is connected to pin 9 of the single-chip microcomputer through the tenth resistor, and the negative pole is grounded.

[0011] Preferably, the function selection circuit adopts a four-position toggle switch, wherein pins 1, 3, 5, 7 and 9 of the four-position toggle switch are grounded, and pins 2, 4 and 8 of the four-position toggle switch are respectively connected to pin 6 DUO, pin 3 ULTRA and pin 5 TRANS of the microcontroller.

[0012] The utility model comprises a power supply USB socket, a function selection toggle switch and a day / night conversion switch installed at the lower front of the mouse repeller, a photosensitive thermal diode installed in the middle of the circle above the front, a sensor installed at the lower rear of the mouse repeller, two speakers installed at the left and right sides below the front, red, green and blue lights installed in the middle of the circle on the surface of the mouse repeller, and a strobe white light installed in three directions of the circular side surface of the mouse repeller.

[0013] The beneficial effects of the utility model include: emitting ultrasonic waves through the selected ULTRA speaker, emitting fixed ultrasonic waves, dual-frequency ultrasonic waves, and flashing white lights through the TRANS sensor, so that mice hear the ultrasonic frequency or see the flashing white lights, and feel scared, thereby achieving the goal of driving away mice. The utility model is widely used in places with mouse infestations. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is described in detail below with reference to the accompanying drawings and specific implementation methods;

[0015] Figure 1 This is a circuit diagram of the utility model;

[0016] Figure 2 It is a power boost circuit and voltage stabilizing circuit diagram of the utility model;

[0017] Figure 3 This is the single chip microcomputer control circuit diagram of the utility model;

[0018] Figure 4 A circuit diagram for selecting functions of the utility model;

[0019] Figure 5 It is a structural diagram of the utility model;

[0020] Figure 6 for Figure 5Schematic diagram of the back side. DETAILED DESCRIPTION

[0021] 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.

[0022] Reference Figure 1-6 The present specific implementation adopts the following technical scheme: a strobe mouse repeller, including a power boost circuit 1, a voltage stabilizing circuit 2, a single-chip control circuit 3, an LED red, green, and blue light driving circuit 4, a strobe driving circuit 5, a photosensitive driving circuit 6, an ultrasonic and speaker driving circuit 7, a function selection circuit 8, and a day-night conversion circuit 9. The power boost circuit 1 is connected to the voltage stabilizing circuit 2, and the stabilizing power boost circuit 1, the LED red, green, and blue light driving circuit 4, the strobe driving circuit 5, the photosensitive driving circuit 6, the ultrasonic and speaker driving circuit 7, the function selection circuit 8, and the day-night conversion circuit 9 are all connected to the single-chip control circuit 3; the single-chip control circuit 3 adopts a single-chip microcomputer U2, model 053, and the day-night conversion circuit 9 adopts a conversion switch KEY1, the 4th pin of the single-chip microcomputer U2 is connected to the VDD 3.3V terminal, and the 11th pin is grounded; the 7th pin of the single-chip microcomputer U2 is grounded through the conversion switch KEY1.

[0023] The power boost circuit 1 adopts a boost chip U3, and the boost chip model is LN6291H; the power voltage stabilizing circuit 1 includes a boost chip U3, an inductor L1, a first diode D1, a second diode D2, a twelfth resistor R12, a thirteenth resistor R13, a fourteenth resistor R14, a first capacitor C1, a second capacitor C2 and a USB interface TYPE-C, and the DC voltage of the 5V power supply passes through the USB interface TYPE-C and is connected to both ends of the second capacitor C2; the 2nd pin of the boost chip U3 is grounded; the 4th pin of the boost chip U3 is grounded The first and second pins of the boost chip U3 are connected to the 5V power supply terminal; the 6th pin of the boost chip U3 is grounded through the thirteenth resistor R13; the anode of the first diode D1 is connected to the 1st pin of the boost chip U3, and the 3rd pin of the boost chip U3 is connected to the cathode of the second diode D2 through the fourteenth resistor R14; the two ends of the twelfth resistor R12 are respectively connected to the 3rd pin of the boost chip U3 and the ground terminal, and the two ends of the first capacitor C1 are respectively connected to the cathode of the second diode D2 and the ground terminal; the boosted voltage at the cathode of the second diode D2 passes through the first diode D1 to provide a 9V working voltage to the mouse repeller.

[0024] Preferably, the voltage stabilizing circuit 2 includes a voltage stabilizing chip U1, the voltage stabilizing chip model is HT7550-1, the input terminal Vin pin of the voltage stabilizing chip U1 is connected to the 9V terminal; the eighth capacitor C8 and the fourth capacitor C4 are connected in parallel, the positive electrode is connected to the Vin terminal of the voltage stabilizing chip U1, and the negative electrode is grounded; the GND terminal of the voltage stabilizing chip U1 is grounded; the seventh capacitor C7 is connected to the output terminal Vout and the ground terminal of the voltage stabilizing chip U1.

[0025] Preferably, the LED red, green and blue light driving circuit 4 includes a red light RD2, a green light D9 and a blue light D8. The red light RD2 is composed of three SMD LED red high-brightness lights R in parallel, and the three SMD LED green high-brightness lights G in parallel; the blue light D8 is composed of three SMD LED blue high-brightness lights B in parallel, the pin 1 of the single-chip microcomputer U2 is connected to the positive pole of the red light RD2 through the first resistor R1, and the negative pole of the red light RD2 is grounded; the pin 13 of the single-chip microcomputer U2 is connected to the positive pole of the green light D9 through the third resistor R3, and the negative pole of the green light D9 is grounded; the pin 14 of the single-chip microcomputer U2 is connected to the positive pole of the blue light D8 through the second resistor R2, and the negative pole of the blue light D8 is grounded.

[0026] Preferably, the strobe drive circuit 5 adopts a white lamp D14, which is composed of 9 high-brightness side SMD-L3.2-W1.0 white lamps W connected in parallel. The positive pole of the white lamp D14 is connected to the 9V terminal, and the negative pole is connected to the collector of the transistor SS8050 Q3 through the sixth resistor R6. The emitter of the transistor SS8050 Q3 is grounded, and the base of the transistor SS8050 Q3 is connected to the fourth resistor R4 and one end of the fifth resistor R5. The other end of the fifth resistor R5 is grounded, and the other end of the fourth resistor R4 is connected to pin 2 of the microcontroller U2.

[0027] Preferably, the photosensitivity driving circuit 6 includes a photosensitive diode D15, a transistor 8050Q4, a seventh resistor R7, an eighth resistor R8, and a fifth capacitor C5. The emitter of the transistor 8050Q4 is grounded, the 12th pin of the single-chip microcomputer U2 is connected to the base of the transistor 8050Q4 through the seventh resistor R7, the 12th pin of the single-chip microcomputer U2 is connected to the collector of the transistor 8050Q4 through the eighth resistor R8, and the 10th pin of the single-chip microcomputer U2 is connected to the collector of the transistor 8050Q4. After the photosensitive diode D15 and the fifth capacitor C5 are connected in parallel, the negative pole is grounded, and the positive pole is connected to the base of the transistor 8050Q4.

[0028] Preferably, the ultrasonic and speaker driving circuit 7 is composed of a transformer T1, a transistor MJD31C Q1, a sensor LS3, a first speaker LS1, a second speaker LS2, a tenth resistor R10, and an eleventh resistor R11. Pin 8 of the single-chip computer U2 is connected to the base of the transistor MJD31C Q1 through the eleventh resistor R11; the emitter of the transistor MJD31C Q1 is grounded; one end of the input group of the transformer T1 is connected to the 9V terminal, and the other end of the input group of the transformer T1 is connected to the collector of the transistor MJD31C Q1; the two ends of the sensor LS3 are respectively connected to the two ends of the output group of the transformer T1; after the first speaker LS1 and the second speaker LS2 are connected in parallel, the positive pole is connected to pin 9 of the single-chip computer U2 through the tenth resistor R10, and the negative pole is grounded.

[0029] Preferably, the function selection circuit 8 adopts a four-speed toggle switch SW1, and pins 1, 3, 5, 7, and 9 of the four-speed toggle switch SW1 are grounded, and pins 2, 4, and 8 of the four-speed toggle switch SW1 are respectively connected to pin 6 DUO, pin 3 ULTRA, and pin 5 TRANS of the microcontroller U2.

[0030] The working principle of this specific implementation method is as follows: the strobe mouse repellent is powered by 5V DC, which is supplied to the 1st pin of the boost IC LN6291H U3 through the inductor L1 via the USB socket. After the boost, U3 provides 9V voltage to the whole mouse repellent through the fourteenth resistor R14 and the first diode D1; the 9V power supply is supplied to the whole mouse repellent through the voltage regulator IC HT7550-1 After U1 stabilizes the voltage at 5V, it passes the voltage to the microcontroller control circuit; after plugging in the 5V power supply to the mouse repeller, turn the four-speed toggle switch SW1 to the first gear on the right for TEST testing. Pin 3 of the microcontroller U2 is connected to the ground through the four-speed toggle switch SW1. The output voltage of pin 9 of the microcontroller U2 drives the first speaker LS1 and the second speaker LS2 to work through the tenth resistor R10. The sound from the speakers can be heard, and the indicator light is red; turn the four-speed toggle switch SW1 to the second gear ULTRA ultrasonic, pins 3 and 5 of the microcontroller U2 are grounded through the switch, the first speaker LS1 and the second speaker LS2 emit 25KHZ-65KHZ ultrasonic frequencies, and the indicator lights are red + blue; turn the switch to the third gear TRANS sensor, pins 5 and 6 of the microcontroller U2 are grounded through the four-speed toggle switch SW1, and pin 8 of U2 turns on the transistor MJD31C through R11. Q1, through the transformer T1 to drive the sensor LS3 to emit 25KHZ ultrasonic frequency, the indicator light is red + green; turn the four-speed toggle switch SW1 to the fourth gear DUO dual frequency, the 6th foot of the single-chip computer U2 is grounded through SW1, the two speakers and sensors work at the same time, and the indicator lights are red + blue + green; the three groups of LED strobe white lights are turned on by default when not turned on, and the day / night conversion touch switch KEY1 is required to activate the red D15 to turn it on, and the diode activates the 2nd foot of the single-chip computer U2 through the fourteenth R14 to the base of the transistor 8050 Q3, turning on the transistor 8050 Q3, driving the strobe white light D14 to work, no matter which gear, press the touch switch to activate the photosensitive diode, the LED strobe white light will flash quickly at night, press it again, the photosensitive diode is turned off, and the LED strobe white light will not flash at night after the photosensitive diode is turned off. This mouse repellent has a 360-degree emission angle. Select the repelling function according to the degree of rodent damage.

[0031] The 5V power USB socket of the mouse repeller of this specific implementation method is installed on the right side of the lower front of the mouse repeller, the function selection toggle switch is installed on the left side of the lower front, the touch switch is installed in the middle of the lower front, and the mouse repeller photodiode is installed in the middle of the circular front of the mouse repeller; the strobe white light is installed in three directions of the circle above the mouse repeller, and flashes outward through a transparent mirror; the red, green and blue indicator lights are installed in the circular groove in the center of the circular surface above the mouse repeller, and emit light upward through a circular transparent mirror; the ultrasonic sensor of the mouse repeller is installed in the middle of the lower rear of the mouse repeller, and two speakers are installed on the left and right sides of the lower rear of the mouse repeller, emitting at a 360-degree angle. The function selection toggle switch has four gears. The first gear is on the right side of the front. Select the function according to the degree of rodent damage: Gear 1 is TEST parameter, the sound of the speaker can be heard, and the indicator light is red; Gear 2 is ULTRA, ultrasonic, the two speakers emit 25KHZ-65KHZ ultrasonic frequency, and the indicator light is red + blue; Gear 3 is TRANS sensor, the sensor emits 25KHZ fixed ultrasonic frequency, and the indicator light is red + green; Gear 4 is DU0 dual frequency, the speaker and sensor work at the same time, and the indicator light is red + blue + green; The three groups of LED strobe white lights are turned on by default when the power is not turned on. You need to press the day / night touch conversion button switch. No matter which gear it is, after pressing the touch switch, the photodiode is activated, and the LED strobe white light will flash quickly. Press the touch switch again to turn off the photodiode. After turning it off, the LED strobe white light will not flash at night.

[0032] 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 of the utility model is defined by the attached claims and their equivalents.

Claims

1. A flashing mouse repellent, characterized in that: The invention comprises a power boost circuit (1), a voltage stabilizing circuit (2), a single chip microcomputer control circuit (3), an LED red, green and blue light driving circuit (4), a strobe driving circuit (5), a photosensitive driving circuit (6), an ultrasonic and horn driving circuit (7), a function selection circuit (8) and a day / night conversion circuit (9). The power boost circuit (1) is connected to the voltage stabilizing circuit (2). The voltage stabilizing power boost circuit (1), the LED red, green and blue light driving circuit (4), the strobe driving circuit (5), the photosensitive driving circuit (6), the ultrasonic and horn driving circuit (7), the function selection circuit (8) and the day / night conversion circuit (9) are all connected to the single chip microcomputer control circuit (3). The single chip microcomputer control circuit (3) adopts a single chip microcomputer (U2) of model 053. The day / night conversion circuit (9) adopts a conversion switch (KEY1). Pin 4 of the single chip microcomputer (U2) is connected to a VDD 3.3V terminal, and pin 11 is grounded. Pin 7 of the single chip microcomputer (U2) is grounded through the conversion switch (KEY1).

2. A flashing mouse repeller according to claim 1, characterized in that: The power boost circuit (1) adopts a boost chip (U3), the boost chip model is LN6291H; the power boost circuit (1) comprises a boost chip (U3), an inductor (L1), a first diode (D1), a second diode (D2), a twelfth resistor (R12), a thirteenth resistor (R13), a fourteenth resistor (R14), a first capacitor (C1), a second capacitor (C2) and a USB interface TYPE-C, and the DC voltage of the 5V power supply passes through the USB interface TYPE-C and is connected to both ends of the second capacitor (C2). ; Pin 2 of the boost chip (U3) is grounded; Pins 4 and 5 of the boost chip (U3) are connected to the 5V power supply terminal; Pin 6 of the boost chip (U3) is grounded via a thirteenth resistor (R13); the anode of the first diode (D1) is connected to Pin 1 of the boost chip (U3), and Pin 3 of the boost chip (U3) is connected to the cathode of the second diode (D2) via a fourteenth resistor (R14); both ends of the twelfth resistor (R12) are respectively connected to Pin 3 of the boost chip (U3) and the ground terminal, and both ends of the first capacitor (C1) are respectively connected to the cathode of the second diode (D2) and the ground terminal.

3. The flashing mouse repeller according to claim 1, characterized in that: The voltage stabilizing circuit (2) comprises a voltage stabilizing chip (U1), the voltage stabilizing chip model is HT7550-1, the input terminal Vin of the voltage stabilizing chip (U1) is connected to the 9V terminal; the eighth capacitor (C8) and the fourth capacitor (C4) are connected in parallel, the positive electrode is connected to the Vin terminal of the voltage stabilizing chip (U1), and the negative electrode is grounded; the GND terminal of the voltage stabilizing chip (U1) is grounded; and the seventh capacitor (C7) is connected to the output terminal Vout of the voltage stabilizing chip (U1) and the ground terminal.

4. The flashing mouse repeller according to claim 1, characterized in that: The LED red, green and blue light driving circuit (4) comprises a red light (RD2), a green light (D9) and a blue light (D8). The red light (RD2) is composed of three SMD LED red high-brightness lights R connected in parallel, and the green light (D9) is composed of three SMD LED green high-brightness lights G connected in parallel; the blue light (D8) is composed of three SMD LED blue high-brightness lights B connected in parallel, the 1st pin of the single-chip microcomputer (U2) is connected to the positive electrode of the red light (RD2) through a first resistor (R1), and the negative electrode of the red light (RD2) is grounded; the 13th pin of the single-chip microcomputer (U2) is connected to the positive electrode of the green light (D9) through a third resistor (R3), and the negative electrode of the green light (D9) is grounded; the 14th pin of the single-chip microcomputer (U2) is connected to the positive electrode of the blue light (D8) through a second resistor (R2), and the negative electrode of the blue light (D8) is grounded.

5. The flashing mouse repeller according to claim 1, characterized in that: The strobe drive circuit (5) adopts a white light (D14), which is composed of nine high-brightness side SMD-L3.2-W1.0 white lights W connected in parallel. The positive electrode of the white light (D14) is connected to the 9V terminal, and the negative electrode is connected to the collector of the transistor SS8050 (Q3) through the sixth resistor (R6). The emitter of the transistor SS8050 (Q3) is grounded, and the base of the transistor SS8050 (Q3) is connected to the fourth resistor (R4) and one end of the fifth resistor (R5). The other end of the fifth resistor (R5) is grounded, and the other end of the fourth resistor (R4) is connected to the 2nd pin of the single-chip computer (U2).

6. The flashing mouse repeller according to claim 1, characterized in that: The photosensitive driving circuit (6) comprises a photosensitive diode (D15), a transistor 8050 (Q4), a seventh resistor (R7), an eighth resistor (R8), and a fifth capacitor (C5). The emitter of the transistor 8050 (Q4) is grounded, the 12th pin of the single chip microcomputer (U2) is connected to the base of the transistor 8050 (Q4) through the seventh resistor (R7), the 12th pin of the single chip microcomputer (U2) is connected to the collector of the transistor 8050 (Q4) through the eighth resistor (R8), the 10th pin of the single chip microcomputer (U2) is connected to the collector of the transistor 8050 (Q4), and the negative electrode of the photosensitive diode (D15) and the fifth capacitor (C5) are connected in parallel to the ground, and the positive electrode is connected to the base of the transistor 8050 (Q4).

7. The flashing mouse repeller according to claim 1, characterized in that: The ultrasonic and speaker driving circuit (7) is composed of a transformer (T1), a transistor MJD31C (Q1), a sensor (LS3), a first speaker (LS1), a second speaker (LS2), a tenth resistor (R10), and an eleventh resistor (R11). Pin 8 of the single-chip computer (U2) is connected to the base of the transistor MJD31C (Q1) through the eleventh resistor (R11); the emitter of the transistor MJD31C (Q1) is grounded; one end of the input group of the transformer (T1) is connected to the 9V terminal, and the other end of the input group of the transformer (T1) is connected to the collector of the transistor MJD31C (Q1); the two ends of the sensor (LS3) are respectively connected to the two ends of the output group of the transformer (T1); after the first speaker (LS1) and the second speaker (LS2) are connected in parallel, the positive pole is connected to pin 9 of the single-chip computer (U2) through the tenth resistor (R10), and the negative pole is grounded.

8. The flashing mouse repeller according to claim 1, characterized in that: The function selection circuit (8) adopts a four-position toggle switch (SW1), wherein pins 1, 3, 5, 7 and 9 of the four-position toggle switch (SW1) are grounded, and pins 2, 4 and 8 of the four-position toggle switch (SW1) are respectively connected to pin 6 DUO, pin 3 ULTRA and pin 5 TRANS of the single-chip microcomputer (U2).

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