Pet washing and protecting circuit and electronic equipment

Abstract

The utility model discloses a pet washing and protecting circuit and electronic equipment, and belongs to the field of pet tools. A main control circuit outputs a first PWM control signal and / or a second PWM control signal; the driving circuit converts the first PWM control signal into a first driving signal and also converts the second PWM control signal into a second driving signal; the foaming circuit enables liquid and air to be mixed, vibrated and foamed according to the first driving signal. The vibration circuit vibrates according to the second driving signal; a pet is foamed through the foaming circuit, the pet is massaged through the vibration circuit, a pet owner can wash and protect the pet conveniently at home, and the pet washing and protecting cost is reduced.

Description

Technical Field

[0001] The present application belongs to the field of pet tools and supplies, and in particular, relates to a pet washing and care circuit and electronic equipment. Background Art

[0002] Nowadays, more and more people are keeping pets, but the care of pets is mainly undertaken by pet beauty shops. In order to care for pets, firstly, pet owners need to spend a lot of time and energy to find a suitable pet beauty shop. Secondly, they also need to spend time taking their pets to the pet beauty shop. In addition, the cost of care in pet beauty shops is high, and it may also cause self-excitement of pets, increasing unnecessary pet safety risks.

[0003] Therefore, there is an urgent need for a pet washing and care circuit that is convenient for home use. Utility Model Content

[0004] The purpose of the present application is to provide a pet washing and care circuit and electronic equipment, aiming to solve the problem of inconvenience and high cost of existing pet washing and care.

[0005] The embodiment of the present application provides a pet washing and care circuit, comprising:

[0006] A main control circuit configured to output a first PWM control signal and / or a second PWM control signal;

[0007] a driving circuit connected to the main control circuit and configured to convert the first PWM control signal into a first driving signal and also convert the second PWM control signal into a second driving signal;

[0008] a foaming circuit, connected to the driving circuit, configured to cause liquid and air to mix and vibrate to foam according to the first driving signal;

[0009] The vibration circuit is connected to the driving circuit and is configured to vibrate according to the second driving signal.

[0010] In one embodiment, it also includes:

[0011] A key circuit, connected to the main control circuit, configured to output a key signal according to the sensed operation;

[0012] The main control circuit is specifically configured to output the first PWM control signal and / or the second PWM control signal according to the key signal.

[0013] In one embodiment, the main control circuit further outputs an audio signal according to the key signal, and the pet washing and care circuit further includes:

[0014] The announcement circuit is connected to the main control circuit and is configured to make announcements according to the audio signal.

[0015] In one embodiment, it also includes:

[0016] a current amplifying circuit, connected to the main control circuit and the driving circuit, and configured to sample the current of the first driving signal and / or the current of the second driving signal to output a current detection signal;

[0017] an indication circuit, connected to the main control circuit and configured to indicate according to the indication signal;

[0018] The main control circuit is also configured to stop working after outputting the indication signal according to the current detection signal.

[0019] In one embodiment, it also includes:

[0020] a charging circuit configured to convert input DC power into charging DC power;

[0021] The energy storage circuit is connected to the main control circuit, the drive circuit and the charging circuit, and is configured to be charged according to the charging direct current and output a battery voltage to power various functional circuits.

[0022] In one embodiment, the charging circuit is further configured to output a charging detection signal according to the charging direct current, and the pet washing circuit further includes:

[0023] a voltage sampling circuit, connected to the main control circuit and the charging circuit, and configured to sample the voltage of the input direct current to output a voltage sampling signal;

[0024] an indication circuit, connected to the main control circuit and configured to indicate according to the indication signal;

[0025] The main control circuit is further configured to output the indication signal according to the charging detection signal and the voltage sampling signal.

[0026] In one embodiment, it also includes:

[0027] a current sampling circuit connected to the main control circuit and the energy storage circuit, and configured to sample the output current of the energy storage circuit to output a current sampling signal;

[0028] an indication circuit, connected to the main control circuit and configured to indicate according to the indication signal;

[0029] A broadcast circuit, connected to the main control circuit, configured to broadcast according to the audio signal;

[0030] The main control circuit is further configured to output the indication signal and the audio signal according to the current sampling signal.

[0031] In one embodiment, it also includes:

[0032] A temperature sampling circuit, connected to the main control circuit, configured to sense the ambient temperature and output a temperature sampling signal;

[0033] an indication circuit, connected to the main control circuit and configured to indicate according to the indication signal;

[0034] The main control circuit is also configured to stop working after outputting an indication signal according to the temperature sampling signal.

[0035] In one embodiment, the driving circuit includes a first switch tube, a second switch tube, a first Schottky diode, a second Schottky diode, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a first capacitor and a second capacitor;

[0036] The first end of the first capacitor, the cathode of the first Schottky diode, the first end of the second capacitor and the cathode of the second Schottky diode are used together as the battery voltage input end of the drive circuit, connected to the energy storage circuit to input the battery voltage; the first end of the third resistor is used as the first PWM control signal input end of the drive circuit, connected to the main control circuit to input the first PWM control signal; the first end of the sixth resistor is used as the second PWM control signal input end of the drive circuit, connected to the main control circuit to input the second PWM control signal; the second end of the third resistor, the first end of the second resistor are connected to the control end of the first switch tube, and the first end of the first switch tube, the second end of the first capacitor and the anode of the first Schottky diode are used together as the first drive signal output end of the drive circuit , connected to the bubbling circuit to output the first drive signal; the second end of the sixth resistor, the first end of the fifth resistor and the control end of the second switch tube are connected, the first end of the second switch tube, the second end of the second capacitor and the positive electrode of the second Schottky diode are jointly used as the second drive signal output end of the drive circuit, and are connected to the vibration circuit to output the second drive signal; the second end of the first switch tube, the second end of the second switch tube and the first end of the fourth resistor are jointly used as the current output end of the first drive signal of the drive circuit and / or the current output end of the second drive signal, and are connected to the current amplifier circuit to output the current of the first drive signal and / or the current of the second drive signal; the second end of the fourth resistor, the second end of the second resistor and the second end of the fifth resistor are jointly connected to the power ground.

[0037] An embodiment of the present application also provides an electronic device, which includes the above-mentioned pet washing and care circuit.

[0038] Compared with the prior art, the embodiments of the present application have the following beneficial effects: the main control circuit outputs a first PWM control signal and / or a second PWM control signal; the drive circuit converts the first PWM control signal into a first drive signal, and also converts the second PWM control signal into a second drive signal; the foaming circuit causes the liquid and air to mix and vibrate to form foam according to the first drive signal; the vibration circuit vibrates according to the second drive signal; the foaming circuit is used to make foam for the pet, and the vibration circuit is used to massage the pet, which makes it convenient for pet owners to wash and care for their pets at home and reduces the cost of washing and caring for the pets. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the technical application in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0040] Figure 1 A schematic diagram of a pet washing and care circuit provided in one embodiment of the present application;

[0041] Figure 2 Another structural schematic diagram of a pet washing and care circuit provided in one embodiment of the present application;

[0042] Figure 3 Another structural schematic diagram of a pet washing and care circuit provided in one embodiment of the present application;

[0043] Figure 4 Another structural schematic diagram of a pet washing and care circuit provided in one embodiment of the present application;

[0044] Figure 5 Another structural schematic diagram of a pet washing and care circuit provided in one embodiment of the present application;

[0045] Figure 6 Another structural schematic diagram of a pet washing and care circuit provided in one embodiment of the present application;

[0046] Figure 7 Another structural schematic diagram of a pet washing and care circuit provided in one embodiment of the present application;

[0047] Figure 8 Another structural schematic diagram of a pet washing and care circuit provided in one embodiment of the present application;

[0048] Fig. 9 A partial exemplary circuit schematic diagram of a pet washing and care circuit provided in one embodiment of the present application. DETAILED DESCRIPTION

[0049] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0050] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0051] It should be understood that the orientation or position relationship indicated by terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0052] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0053] Figure 1 The structure diagram of the pet washing and protecting circuit provided by an embodiment of the present application is shown. For the convenience of explanation, only the part related to the present embodiment is shown, which is described in detail as follows:

[0054] The pet washing and care circuit comprises a main control circuit 10 , a driving circuit 20 , a foaming circuit 30 and a vibration circuit 40 .

[0055] The main control circuit 10 is configured to output a first pulse width modulation (PWM) control signal and / or a second PWM control signal.

[0056] The driving circuit 20 is connected to the main control circuit 10 and is configured to convert the first PWM control signal into a first driving signal and also convert the second PWM control signal into a second driving signal.

[0057] The foaming circuit 30 is connected to the driving circuit 20 and is configured to mix the liquid and the air to vibrate and foam according to the first driving signal.

[0058] The vibration circuit 40 is connected to the driving circuit 20 and is configured to vibrate according to the second driving signal.

[0059] The foaming circuit 30 may include a foaming machine.

[0060] The vibration circuit 40 may include a vibration motor and be connected to the massage head and the comb.

[0061] When the main control circuit 10 outputs the first PWM control signal, the foaming circuit 30 causes the liquid to vibrate and foam to make foam for the pet; when the main control circuit 10 outputs the second PWM control signal, the vibration motor in the vibration circuit 40 vibrates, driving the massage head to massage the pet and driving the comb to comb the pet; when the main control circuit 10 outputs the first PWM control signal and the second PWM control signal, the foaming circuit 30 causes the liquid to vibrate and foam to make foam for the pet and the vibration motor in the vibration circuit 40 vibrates, driving the massage head to massage the pet and driving the comb to comb the pet; in addition, when the main control circuit 10 stops outputting the second PWM control signal, the comb can be manually operated by the user to manually comb the pet.

[0062] The foaming circuit 30 is used to make foam for the pet, and the vibration circuit is used to massage the pet, which makes it convenient for the pet owner to wash and care for the pet at home and reduces the cost of washing and caring for the pet.

[0063] By way of example and not limitation, Figure 2 As shown, the pet washing and care circuit also includes a key circuit 50.

[0064] The key circuit 50 is connected to the main control circuit 10 and is configured to output a key signal according to the sensed operation.

[0065] The main control circuit 10 is specifically configured to output a first PWM control signal and / or a second PWM control signal according to the key signal.

[0066] In a specific implementation, the key circuit 50 includes a key S1. When the key S1 is short pressed for the first time, the key S1 outputs a key signal to the main control circuit 10, and the main control circuit 10 outputs a first PWM control signal according to the number of times the key S1 is pressed; when the key S1 is short pressed for the second time, the key S1 outputs a key signal to the main control circuit 10, and the main control circuit 10 outputs a second PWM control signal according to the number of times the key S1 is pressed; when the key S1 is short pressed for the third time, the key S1 outputs a key signal to the main control circuit 10, and the main control circuit 10 outputs a first PWM control signal and a second PWM control signal according to the number of times the key S1 is pressed; when the key S1 is long pressed, S1 outputs a key signal to the main control circuit 10, and the main control circuit 10 stops working.

[0067] A plurality of control signal output modes of the main control circuit 10 can be realized through one button S1, thereby simplifying the circuit.

[0068] By way of example and not limitation, Figure 3 As shown, the main control circuit 10 also outputs an audio signal according to the key signal, and the pet washing and care circuit also includes a broadcast circuit 60.

[0069] The announcement circuit 60 is connected to the main control circuit 10 and is configured to make announcements according to the audio signal.

[0070] The announcement circuit 60 enriches the circuit functions.

[0071] By way of example and not limitation, Figure 4 As shown, the pet washing and protecting circuit further includes a current amplifying circuit 70 and an indicating circuit 80 .

[0072] The current amplifying circuit 70 is connected to the main control circuit 10 and the driving circuit 20 , and is configured to sample the current of the first driving signal and / or the current of the second driving signal to output a current detection signal.

[0073] The indication circuit 80 is connected to the main control circuit 10 and is configured to give indication according to the indication signal.

[0074] The main control circuit 10 is also configured to stop working after outputting an indication signal according to the current detection signal.

[0075] It should be noted that when the circuit is working normally, the green light of the indicator circuit 80 is always on, and when the circuit has overcurrent, the red light of the indicator circuit 80 flashes to give an alarm.

[0076] Overcurrent protection is achieved through the current amplifying circuit 70, thereby improving circuit safety.

[0077] By way of example and not limitation, Figure 5 As shown, the pet washing and care circuit also includes a charging circuit 90 and an energy storage circuit 100 .

[0078] The charging circuit 90 is configured to convert input DC power into charging DC power.

[0079] The energy storage circuit 100 is connected to the main control circuit 10, the drive circuit 20 and the charging circuit 90, and is configured to be charged according to the charging direct current and output the battery voltage to power various functional circuits.

[0080] It should be noted that the input DC power interface of the charging circuit 90 can be a universal serial bus (USB) Type-C interface, and the product does not work during the charging process.

[0081] The normal operation of each functional circuit is achieved by supplying power through the energy storage circuit 100.

[0082] By way of example and not limitation, Figure 6 As shown, the charging circuit 90 is also configured to output a charging detection signal according to the charging direct current, and the pet washing circuit also includes a voltage sampling circuit 110 and an indication circuit 80.

[0083] The voltage sampling circuit 110 is connected to the main control circuit 10 and the charging circuit 90 , and is configured to sample the voltage of the input direct current to output a voltage sampling signal.

[0084] The indication circuit 80 is connected to the main control circuit 10 and is configured to give indication according to the indication signal.

[0085] The main control circuit 10 is further configured to output an indication signal according to the charging detection signal and the voltage sampling signal.

[0086] The main control circuit 10 determines whether the circuit charging and discharging is normal through the received charging detection signal and voltage sampling signal, and controls the red light of the indicator circuit 80 to flash when the circuit charging and discharging is abnormal, reminding the user of the abnormality, thereby improving the safety of the circuit.

[0087] By way of example and not limitation, Figure 7 As shown, the pet washing and care circuit also includes a current sampling circuit 120 , an indication circuit 80 and a broadcasting circuit 60 .

[0088] The current sampling circuit 120 is connected to the main control circuit 10 and the energy storage circuit 100 , and is configured to sample the output current of the energy storage circuit 100 to output a current sampling signal.

[0089] The indication circuit 80 is connected to the main control circuit 10 and is configured to give indication according to the indication signal.

[0090] The announcement circuit 60 is connected to the main control circuit 10 and is configured to make announcements according to the audio signal.

[0091] The main control circuit 10 is further configured to output an indication signal and an audio signal according to the current sampling signal.

[0092] The battery output current is monitored by the current sampling circuit 120, so that when the battery output current is lower than a preset value, the main control circuit 10 outputs an indication signal and an audio signal carrying low-battery information according to the current sampling signal, so that the indication circuit 80 and the broadcast circuit 60 can alarm and remind the user that the battery is too low and needs to be charged in time, so as to extend the service life of the energy storage circuit 100.

[0093] By way of example and not limitation, Figure 8 As shown, the pet washing and caring circuit also includes a temperature sampling circuit 130 and an indication circuit 80 .

[0094] The temperature sampling circuit 130 is connected to the main control circuit 10 and is configured to sense the ambient temperature and output a temperature sampling signal.

[0095] The indication circuit 80 is connected to the main control circuit 10 and is configured to give indication according to the indication signal.

[0096] The main control circuit 10 is also configured to stop working after outputting an indication signal according to the temperature sampling signal.

[0097] When the product is placed in water during use, if water enters the product and flows into the circuit part, the temperature will rise, thereby increasing the ambient temperature. The resistance of the thermistor NTC in the temperature sampling circuit 130 decreases due to the increased ambient temperature, thereby outputting a high-current temperature sampling signal. The main control circuit 10 determines through the signal that the ambient temperature exceeds the preset temperature value and that water has entered the product. It outputs an indication signal to cause the indication circuit 80 to alarm and then stop working, thereby improving the safety of the circuit.

[0098] Fig. 9 A partial exemplary circuit structure of a pet washing and protecting circuit provided in an embodiment of the present application is shown. For the sake of convenience, only the part related to the embodiment of the present application is shown, which is described in detail as follows:

[0099] The main control circuit 10 includes a microprocessor U1 and a first resistor R1.

[0100] The power input terminal VCC of the microprocessor U1 is connected to the first end of the first resistor R1, and the second end of the first resistor R1 is used as the battery voltage input terminal of the main control circuit 10, and is connected to the energy storage circuit 100 to input the battery voltage; the first general input and output terminal P1.1 of the microprocessor U1 is used as the charging detection signal input terminal of the main control circuit 10, and is connected to the charging circuit 90 to input the charging detection signal; the second general input and output terminal P1.2 of the microprocessor U1 is used as the voltage sampling signal input terminal of the main control circuit 10, and is connected to the voltage sampling circuit 110 to input the voltage sampling signal; The third general input and output terminal P1.3 of the microprocessor U1 is used as the key signal input terminal of the main control circuit 10, and is connected to the key circuit 50 to input the key signal; the fourth general input and output terminal P1.4 of the microprocessor U1 is used as the current detection signal input terminal of the main control circuit 10, and is connected to the current amplifier circuit 70 to input the current detection signal; the ground terminal of the microprocessor U1 is connected to the power ground; the fifth general input and output terminal P2.1 of the microprocessor U1 is used as the first PWM control signal output terminal of the main control circuit 10, and is connected to the drive circuit 20 to output the first PWM control signal. The sixth general input and output terminal P2.2 of the microprocessor U1 is used as the second PWM control signal output terminal of the main control circuit 10, connected to the drive circuit 20 to output the second PWM control signal; the seventh general input and output terminal P2.3 of the microprocessor U1 and the eighth general input and output terminal P2.4 of the microprocessor U1 are used as the current sampling signal input terminal of the main control circuit 10, connected to the current sampling circuit 120 to input the current sampling signal; the eighth general input and output terminal P2.4 of the microprocessor U1 and the thirteenth general input and output terminal P2.5 of the microprocessor U1 are used as The temperature sampling signal input terminal of the main control circuit 10 is connected to the temperature sampling circuit 130 to input the temperature sampling signal; the ninth general input and output terminal P2.6 of the microprocessor U1 serves as the audio signal output terminal of the main control circuit 10 and is connected to the broadcast circuit 60 to output the audio signal; the tenth general input and output terminal P2.7 of the microprocessor U1, the eleventh general input and output terminal P2.8 of the microprocessor U1 and the twelfth general input and output terminal P2.9 of the microprocessor U1 serve together as the indication signal output terminal of the main control circuit 10 and are connected to the indication circuit 80 to output the indication signal.

[0101] The circuit is simple and reliable.

[0102] The driving circuit 20 includes a first switch tube Q1, a second switch tube Q2, a first Schottky diode D1, a second Schottky diode D2, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a first capacitor C1 and a second capacitor C2.

[0103] The first end of the first capacitor C1, the cathode of the first Schottky diode D1, the first end of the second capacitor C2 and the cathode of the second Schottky diode D2 are used together as the battery voltage input end of the drive circuit 20, and are connected to the energy storage circuit 100 to input the battery voltage; the first end of the third resistor R3 is used as the first PWM control signal input end of the drive circuit 20, and is connected to the main control circuit 10 to input the first PWM control signal; the first end of the sixth resistor R6 is used as the second PWM control signal input end of the drive circuit 20, and is connected to the main control circuit 10 to input the second PWM control signal; the second end of the third resistor R3, the first end of the second resistor R2 are connected to the control end of the first switch tube Q1, and the first end of the first switch tube Q1, the second end of the first capacitor C1 and the anode of the first Schottky diode D1 are used together as the first drive signal input end of the drive circuit 20. The output terminal of the driving circuit 20 is connected to the bubbling circuit 30 to output the first driving signal; the second end of the sixth resistor R6, the first end of the fifth resistor R5 and the control end of the second switch tube Q2 are connected, the first end of the second switch tube Q2, the second end of the second capacitor C2 and the positive electrode of the second Schottky diode D2 are commonly used as the second driving signal output terminal of the driving circuit 20, and are connected to the vibration circuit 40 to output the second driving signal; the second end of the first switch tube Q1, the second end of the second switch tube Q2 and the first end of the fourth resistor R4 are commonly used as the current output terminal of the first driving signal and the current output terminal of the second driving signal of the driving circuit 20, and are connected to the current amplifier circuit 70 to output the current of the first driving signal and / or the current of the second driving signal; the second end of the fourth resistor R4, the second end of the second resistor R2 and the second end of the fifth resistor R5 are commonly connected to the power ground.

[0104] The first switch tube Q1 and the second switch tube Q2 may be N-type metal oxide semiconductors (negative channel metal oxide semiconductor, NMOS).

[0105] The first switch tube Q1 and the second switch tube Q2 have fast response speeds.

[0106] The key circuit 50 includes a key S1 .

[0107] The first end of the key S1 is used as the key signal output end of the key circuit 50 and is connected to the main control circuit 10 to output the key signal; the second end of the key S1 is connected to the power ground.

[0108] The announcement circuit 60 includes a buzzer SPK, a third switch tube Q3, a first diode D3, a seventh resistor R7 and an eighth resistor R8.

[0109] The first end of the seventh resistor R7 serves as the audio signal input end of the broadcasting circuit 60 and is connected to the main control circuit 10 to input the audio signal; the second end of the seventh resistor R7, the first end of the eighth resistor R8 and the control end of the third switch tube Q3 are connected, the first end of the third switch tube Q3, the anode of the first diode D3 and the cathode of the buzzer SPK are connected, the cathode of the first diode D3 and the anode of the buzzer SPK serve together as the battery voltage input end of the broadcasting circuit 60 and are connected to the energy storage circuit 100 to access the battery voltage; the second end of the eighth resistor R8 and the second end of the third switch tube Q3 are connected to the power ground.

[0110] The third switch tube Q3 may be an NPN tube.

[0111] The current amplifying circuit 70 includes an operational amplifier M, a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, a twelfth resistor R12, a thirteenth resistor R13 and a third capacitor C3.

[0112] The first end of the ninth resistor R9 serves as the current input end of the first drive signal and the current input end of the second drive signal of the current amplifier circuit 70, and is connected to the drive circuit 20 to receive the current of the first drive signal and / or the current of the second drive signal; the second end of the ninth resistor R9 is connected to the non-inverting input end of the operational amplifier M, the inverting input end of the operational amplifier M is connected to the first end of the eleventh resistor R11, the first end of the thirteenth resistor R13 and the first end of the third capacitor C3, the second end of the third capacitor C3 is connected to the first end of the twelfth resistor R12, the output end of the operational amplifier M, the second end of the eleventh resistor R11, the second end of the twelfth resistor R12 and the first end of the tenth resistor R10 are connected, and the second end of the thirteenth resistor R13 is connected to the power ground; the second end of the tenth resistor R10 serves as the current detection signal output end of the current amplifier circuit 70, and is connected to the main control circuit 10 to output the current detection signal.

[0113] The indicating circuit 80 includes a first light emitting diode VD1, a second light emitting diode VD2, a third light emitting diode VD3, a fourth light emitting diode VD4, a fifth light emitting diode VD5, a sixth light emitting diode VD6, a fourteenth resistor R14, a fifteenth resistor R15 and a sixteenth resistor R16.

[0114] The first end of the fourteenth resistor R14, the first end of the fifteenth resistor R15 and the first end of the sixteenth resistor R16 are commonly used as the indication signal input end of the indication circuit 80, and are connected to the main control circuit 10 to input the indication signal; the second end of the fourteenth resistor R14, the anode of the first light-emitting diode VD1, the anode of the third light-emitting diode VD3, the cathode of the fourth light-emitting diode VD4 and the cathode of the sixth light-emitting diode VD6 are connected; the second end of the fifteenth resistor R15 is connected to the cathode of the first light-emitting diode VD1 and the anode of the second light-emitting diode VD2; the anode of the fourth light-emitting diode VD4 is connected to the cathode of the fifth light-emitting diode VD5; the second end of the sixteenth resistor R16, the cathode of the second light-emitting diode VD2, the cathode of the third light-emitting diode VD3, the anode of the fifth light-emitting diode VD5 and the cathode of the sixth light-emitting diode VD6 are connected.

[0115] It should be noted that the first light-emitting diode VD1, the second light-emitting diode VD2 and the third light-emitting diode VD3 are all red light-emitting diodes, and the fourth light-emitting diode VD4, the fifth light-emitting diode VD5 and the sixth light-emitting diode VD6 are all green light-emitting diodes, so that when the circuit is working normally, the first end of the fourteenth resistor R14 inputs the first sub-indication signal of a low level, and the first end of the sixteenth resistor R16 inputs the third sub-indication signal of a high level, so that the fourth light-emitting diode VD4, the fifth light-emitting diode VD5 and the sixth light-emitting diode VD6 are always green; when the circuit is working in a low-battery state, the first end of the fourteenth resistor R14 inputs the first sub-indication signal of a high level, and the first end of the sixteenth resistor R16 inputs the third sub-indication signal of a low level, so that the first light-emitting diode VD1, the second light-emitting diode VD2 and the third light-emitting diode VD3 are always red; when the circuit fails, the first end of the fourteenth resistor R14 inputs the first sub-indication signal of a high level, and the first end of the fifteenth resistor R15 inputs the second sub-indication signal (PWM signal), so that the first light-emitting diode VD1 flashes red. The indication signal includes a first sub-indication signal, a second sub-indication signal and a third sub-indication signal.

[0116] The charging circuit 90 includes a charger U2 and a seventeenth resistor R17.

[0117] The input voltage positive input terminal VCC of the charger U2 serves as the DC input terminal of the charging circuit 90 to access the input DC power; the constant current charging current setting and charging current monitoring terminal PROG of the charger U2 is connected to the first end of the seventeenth resistor R17, and the power ground terminal GND of the charger U2 and the second end of the seventeenth resistor R17 are connected to the power ground; the battery connection terminal BAT of the charger U2 serves as the charging DC output terminal of the charging circuit 90, and is connected to the energy storage circuit 100 to output the charging DC power; the charging status indication terminal / CHRG of the open-drain output of the charger U2 serves as the charging detection signal output terminal of the charging circuit 90, and is connected to the main control circuit 10 to output the charging detection signal.

[0118] The voltage sampling circuit 110 includes an eighteenth resistor R18 and a nineteenth resistor R19.

[0119] The first end of the eighteenth resistor R18 serves as an input DC power input terminal of the voltage sampling circuit 110, and is connected to the charging circuit 90 to receive the input DC power; the second end of the eighteenth resistor R18 and the first end of the nineteenth resistor R19 serve together as a voltage sampling signal output terminal of the voltage sampling circuit 110, and are connected to the main control circuit 10 to output a voltage sampling signal; the second end of the nineteenth resistor R19 is connected to the power ground.

[0120] The current sampling circuit 120 includes a twentieth resistor R20 and a twenty-first resistor R21 .

[0121] The first end of the twentieth resistor R20 serves as a battery voltage input end of the current sampling circuit 120, and is connected to the energy storage circuit 100 to input the battery voltage; the second end of the twentieth resistor R20, the first end of the twenty-first resistor R21, and the second end of the twenty-first resistor R21 serve together as a current sampling signal output end of the current sampling circuit 120, and are connected to the main control circuit 10 to output a current sampling signal.

[0122] The temperature sampling circuit 130 includes a twenty-second resistor R22 and a thermistor NTC.

[0123] The first end of the thermistor NTC serves as the battery voltage input end of the current sampling circuit 120, and is connected to the energy storage circuit 100 to input the battery voltage; the second end of the thermistor NTC, the first end of the twenty-second resistor R22, and the second end of the twenty-second resistor R22 serve together as the temperature sampling signal output end of the current sampling circuit 120, and are connected to the main control circuit 10 to output the temperature sampling signal.

[0124] The following is a combination of working principles Fig. 9 As shown for further explanation:

[0125] When the key S1 is pressed for the first time, the key S1 outputs a key signal to the third general input and output terminal P1.3 of the microprocessor U1 for the first time. The microprocessor U1 outputs a first PWM control signal from the fifth general input and output terminal P2.1 of the microprocessor U1 to the first end of the third resistor R3 according to the number of input times of the key signal. The first switch tube Q1 converts the first PWM control signal into a first drive signal, and outputs the first drive signal from the first end of the first switch tube Q1 to the foaming circuit 30. The foaming circuit 30 vibrates and foams the liquid according to the first drive signal. When the key S1 is pressed for the second time, the key S1 outputs a key signal to the third general input and output terminal P1.3 of the microprocessor U1 for the second time. The microprocessor U1 outputs a second PWM control signal from the sixth general input and output terminal P2.2 of the microprocessor U1 to the first end of the sixth resistor R6 according to the number of input times of the key signal. The second switch tube Q2 converts the second PWM control signal into a first drive signal. The second driving signal is changed to the second driving signal, and the second driving signal is output from the first end of the second switch tube Q2 to the vibration circuit 40, and the vibration circuit 40 vibrates according to the second driving signal; the button S1 is pressed for the third time, and the button S1 outputs the key signal to the third general input and output terminal P1.3 of the microprocessor U1 for the second time. The microprocessor U1 outputs the first PWM control signal from the fifth general input and output terminal P2.1 of the microprocessor U1 to the first end of the third resistor R3 and outputs the second PWM control signal from the sixth general input and output terminal P2.2 of the microprocessor U1 to the first end of the sixth resistor R6 according to the number of input times of the key signal, and the foaming circuit 30 makes the liquid and air mix and vibrate and foam, and the vibration circuit 40 vibrates; the microprocessor U1 also outputs the audio signal from the ninth general input and output terminal P2.6 of the microprocessor U1 to the first end of the seventh resistor R7 according to the number of input times of the key signal, and the buzzer SPK broadcasts according to the audio signal.

[0126] The first end of the ninth resistor R9 is connected to the current of the first drive signal and / or the current of the second drive signal, the operational amplifier M amplifies the current of the first drive signal and / or the current of the second drive signal, and outputs a current detection signal from the second end of the tenth resistor R10 to the fourth general input and output terminal P1.4 of the microprocessor U1. When the current detection signal is greater than a preset value, the microprocessor U1 outputs a high-level first sub-indication signal from the tenth general input and output terminal P2.7 of the microprocessor U1 to the first end of the fourteenth resistor R14, and inputs a second sub-indication signal (PWM signal) from the first end of the fifteenth resistor R15 of the eleventh general input and output terminal P2.8 of the microprocessor U1, so that the red light of the first light-emitting diode VD1 flashes to alarm, and then the microprocessor U1 stops working.

[0127] If charging and discharging are abnormal, the charger U2 outputs a charging detection signal from the charging status indication terminal CHRG of the charger U2's open-drain output to the first general input and output terminal P1.1 of the microprocessor U1, and the second end of the eighteenth resistor R18 and the first end of the nineteenth resistor R19 jointly output a voltage sampling signal to the second general input and output terminal P1.2 of the microprocessor U1. The microprocessor U1 outputs a high-level first sub-indication signal from the tenth general input and output terminal P2.7 of the microprocessor U1 to the first end of the fourteenth resistor R14 according to the charging detection signal and the voltage sampling signal, and outputs a second sub-indication signal (PWM signal) from the eleventh general input and output terminal P2.8 of the microprocessor U1 to the first end of the fifteenth resistor R15, so that the first light-emitting diode VD1 flashes red.

[0128] The second end of the twentieth resistor R20, the first end of the twenty-first resistor R21 and the second end of the twenty-first resistor R21 jointly output a current sampling signal to the seventh general input and output terminal P2.3 and the eighth general input and output terminal P2.4 of the microprocessor U1. When the battery voltage output by the energy storage circuit 100 is lower than the preset value, the microprocessor U1 outputs an audio signal from the ninth general input and output terminal P2.6 of the microprocessor U1 to the first end of the seventh resistor R7, and the buzzer SPK broadcasts according to the audio signal; the microprocessor U1 also outputs a high-level first sub-indication signal from the tenth general input and output terminal P2.7 of the microprocessor U1 to the first end of the fourteenth resistor R14, and outputs a low-level third sub-indication signal from the twelfth general input and output terminal P2.9 of the microprocessor U1 to the first end of the sixteenth resistor R16, so that the first light-emitting diode VD1, the second light-emitting diode VD2 and the third light-emitting diode VD3 are always red.

[0129] The second end of the thermistor NTC, the first end of the twenty-second resistor R22 and the second end of the twenty-second resistor R22 jointly output a temperature sampling signal to the eighth general input and output terminal P2.4 of the microprocessor U1 and the thirteenth general input and output terminal P2.5 of the microprocessor U1. When the ambient temperature exceeds the preset temperature value, the microprocessor U1 outputs a high-level first sub-indication signal from the tenth general input and output terminal P2.7 of the microprocessor U1 to the first end of the fourteenth resistor R14, and outputs a second sub-indication signal (PWM signal) from the eleventh general input and output terminal P2.8 of the microprocessor U1 to the first end of the fifteenth resistor R15, so that the first light-emitting diode VD1 flashes red to alarm, and then the microprocessor U1 stops working.

[0130] An embodiment of the present application also provides an electronic device, which includes the above-mentioned pet washing and care circuit.

[0131] It should be understood that the size of the serial numbers of the steps in the above embodiments does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

[0132] The embodiments described above are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, a person skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application, and should all be included in the protection scope of the present application.

Claims

1. A pet washing and care circuit, characterized in that: include: A main control circuit configured to output a first PWM control signal and / or a second PWM control signal; a driving circuit connected to the main control circuit and configured to convert the first PWM control signal into a first driving signal and also convert the second PWM control signal into a second driving signal; a foaming circuit, connected to the driving circuit, configured to cause liquid and air to mix and vibrate to foam according to the first driving signal; The vibration circuit is connected to the driving circuit and is configured to vibrate according to the second driving signal.

2. The pet washing and protecting circuit according to claim 1, characterized in that: Also includes: A key circuit, connected to the main control circuit, configured to output a key signal according to the sensed operation; The main control circuit is specifically configured to output the first PWM control signal and / or the second PWM control signal according to the key signal.

3. The pet washing and protecting circuit according to claim 2, characterized in that: The main control circuit also outputs an audio signal according to the key signal, and the pet washing and care circuit also includes: The announcement circuit is connected to the main control circuit and is configured to make announcements according to the audio signal.

4. The pet washing and protecting circuit according to claim 1, characterized in that: Also includes: a current amplifying circuit connected to the main control circuit and the driving circuit, and configured to sample the current of the first driving signal and / or the current of the second driving signal to output a current detection signal; an indication circuit, connected to the main control circuit and configured to indicate according to the indication signal; The main control circuit is also configured to stop working after outputting the indication signal according to the current detection signal.

5. The pet washing and protecting circuit according to claim 1, characterized in that: Also includes: a charging circuit configured to convert input DC power into charging DC power; The energy storage circuit is connected to the main control circuit, the drive circuit and the charging circuit, and is configured to be charged according to the charging direct current and output a battery voltage to power various functional circuits.

6. The pet washing and protecting circuit according to claim 5, characterized in that: The charging circuit is further configured to output a charging detection signal according to the charging direct current, and the pet washing and care circuit further includes: a voltage sampling circuit, connected to the main control circuit and the charging circuit, and configured to sample the voltage of the input direct current to output a voltage sampling signal; an indication circuit, connected to the main control circuit and configured to indicate according to the indication signal; The main control circuit is further configured to output the indication signal according to the charging detection signal and the voltage sampling signal.

7. The pet washing and protecting circuit according to claim 5, characterized in that: Also includes: a current sampling circuit connected to the main control circuit and the energy storage circuit, and configured to sample the output current of the energy storage circuit to output a current sampling signal; an indication circuit, connected to the main control circuit and configured to indicate according to the indication signal; A broadcast circuit, connected to the main control circuit, configured to broadcast according to the audio signal; The main control circuit is further configured to output the indication signal and the audio signal according to the current sampling signal.

8. The pet washing and protecting circuit according to claim 1, characterized in that: Also includes: A temperature sampling circuit, connected to the main control circuit, configured to sense the ambient temperature and output a temperature sampling signal; an indication circuit, connected to the main control circuit and configured to indicate according to the indication signal; The main control circuit is also configured to stop working after outputting an indication signal according to the temperature sampling signal.

9. The pet washing and protecting circuit according to claim 1, characterized in that: The driving circuit includes a first switch tube, a second switch tube, a first Schottky diode, a second Schottky diode, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a first capacitor and a second capacitor; The first end of the first capacitor, the cathode of the first Schottky diode, the first end of the second capacitor and the cathode of the second Schottky diode are used together as the battery voltage input end of the drive circuit, connected to the energy storage circuit to input the battery voltage; the first end of the third resistor is used as the first PWM control signal input end of the drive circuit, connected to the main control circuit to input the first PWM control signal; the first end of the sixth resistor is used as the second PWM control signal input end of the drive circuit, connected to the main control circuit to input the second PWM control signal; the second end of the third resistor, the first end of the second resistor are connected to the control end of the first switch tube, and the first end of the first switch tube, the second end of the first capacitor and the anode of the first Schottky diode are used together as the first drive signal output end of the drive circuit , connected to the bubbling circuit to output the first drive signal; the second end of the sixth resistor, the first end of the fifth resistor and the control end of the second switch tube are connected, the first end of the second switch tube, the second end of the second capacitor and the positive electrode of the second Schottky diode are jointly used as the second drive signal output end of the drive circuit, and are connected to the vibration circuit to output the second drive signal; the second end of the first switch tube, the second end of the second switch tube and the first end of the fourth resistor are jointly used as the current output end of the first drive signal of the drive circuit and / or the current output end of the second drive signal, and are connected to the current amplifier circuit to output the current of the first drive signal and / or the current of the second drive signal; the second end of the fourth resistor, the second end of the second resistor and the second end of the fifth resistor are jointly connected to the power ground.

10. An electronic device, characterized in that: The electronic device comprises a pet washing and care circuit as described in any one of claims 1 to 9.

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