Water dispenser for pets

Abstract

The utility model provides a pet water dispenser which comprises a main control module, an induction module, a UV lamp disinfection module, a heating module, a temperature display module, a power management module, a water outlet module and a temperature detection module. The induction module, the UV lamp disinfection module, the heating module, the temperature display module, the power supply management module, the water outlet module and the temperature detection module are respectively connected with the main control module. The temperature of heated water is controlled through thermistor partial pressure temperature collection, and the set temperature is controlled in real time; whether a pet is close to the pet water dispenser is detected through human body induction, and the water pump is turned on to drink water for the pet; and the disinfection lamp is used for irregularly disinfecting and sterilizing.

Description

Technical Field

[0001] This utility model relates to the field of water dispenser equipment, and in particular to a pet water dispenser. Background Technology

[0002] Providing water for pets is a problem that every pet-owning family will encounter. To reduce the chances of pets getting sick, warm water is often used for feeding them in winter when the temperature is low, which can be inconvenient for families who work during the day. Summary of the Invention

[0003] This utility model aims to solve the above-mentioned technical problems by providing a pet water dispenser with automatic temperature control, disinfection, and sensor functions.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: a pet water fountain, comprising a main control module, a sensing module, a UV lamp disinfection module, a heating module, a temperature display module, a power management module, a water dispensing module, and a temperature detection module, wherein the sensing module, UV lamp disinfection module, heating module, temperature display module, power management module, water dispensing module, and temperature detection module are respectively connected to the main control module.

[0005] The main control module includes a main control chip U5, capacitor C11, and capacitor C17. One end of capacitor C11 and capacitor C17 are connected in parallel to the GND pin of the main control chip U5, and the other end is connected to the VDD pin of the main control chip U5.

[0006] The sensing module includes a sensing chip U9, a resistor R5, and a capacitor C34. Pin 2 of the sensing chip U9 is connected to pin P50 of the temperature display chip U6 and one end of the resistor R5, respectively. The other end of the resistor R5 is grounded. Pin 1 of the sensing chip U9 is connected to one end of the capacitor C34 and VCC, respectively. The other end of the capacitor C34 is grounded.

[0007] The UV lamp disinfection module includes a disinfection control chip U7, resistors R48, R47, and R49, capacitor C33, MOSFET Q11, diode D6, LED11, and UVC connector H4. The anode of diode D6 is connected to +5V, and the cathode of diode D6 is connected to one end of capacitor C33 and pin VDD of the disinfection control chip U7. The other end of capacitor C33 is connected to pin GND of the disinfection control chip U7 and ground. Pin P6 of the disinfection control chip U7... 2. Resistor R48 is connected in series with one end of resistor R49 and the base of MOSFET Q11. The other end of resistor R49 and the emitter of MOSFET Q11 are both connected to one end of resistor R47. The other end of resistor R47 is grounded. The collector of MOSFET Q11 is connected to the cathode of LED11. The anode of LED11 is connected to +5V. UVC connector H4 is connected in parallel with LED11 and is connected to a disinfection lamp.

[0008] The heating module includes resistors R16 and R18, transistor Q5, field-effect transistor Q9, and heating wire H6. The base of transistor Q5 is connected in series with resistor R18 and then connected to pin P55 of the main control chip U5. The emitter of transistor Q5 is grounded. The collector of transistor Q5 is connected to one end of resistor R16 and the base of field-effect transistor Q9. The emitter of field-effect transistor Q9 is grounded. The collector of field-effect transistor Q9 and the other end of resistor R16 are both connected to +12V.

[0009] The temperature display module includes a temperature display chip U6, a capacitor C20, a digital tube LED8, resistors R20, R19, R20, R23, R43, R44, R45, R46, buttons KEY1 and KEY2, and light-emitting diodes LED101, LED102, LED103, LED9, and LED7. The temperature display chip U6 has pins P67, P66, and P65. Pins P64, P63, P61, and P62 are respectively connected to pins 6, 7, 1, 3, 4, 9, and 8 of the digital tube LED8. Pin P52 of the temperature display chip U6 is connected in series with resistor R20 and then connected to pin 10 of the digital tube LED8. Pin P53 of the temperature display chip U6 is connected in series with resistor R23 and then connected to pin 5 of the digital tube LED8. Pin P60 of the temperature display chip U6 is connected to pin P7 of the main control chip U5. 0. One end of button KEY1 is connected to pin P52 of the main control chip U5, and one end of button KEY2 is connected to pin P53 of the main control chip U5. The other ends of buttons KEY1 and KEY2 are grounded. The positive terminals of LEDs LED101, LED102, LED103, LED9, and LED7 are all connected to VCC. The negative terminal of LED101 is connected to pin P62 of the main control chip U5 via resistor R44. The negative terminal of LED102 is connected to pin P63 of the main control chip U5 via resistor R46. The negative terminal of LED103 is connected to pin P64 of the main control chip U5 via resistor R45. The negative terminal of LED9 is connected to pin P51 of the temperature display chip U6 via resistor R43. The negative terminal of LED7 is connected to pin P65 of the main control chip U5 via resistor R19.

[0010] The power management module includes a step-down chip U8, resistors R41 and R42, capacitors C25, C26, C27, C28, and C29, and an inductor L2. Pin 3 of the step-down chip U8 is connected to one end of resistors R41 and R42. The other end of resistor R41 is connected to one end of each of capacitors C25, C26, C27, and C28. The other ends of capacitors C25 and C26 are connected in parallel and then connected to pin 5 of the step-down chip U8 and VCC_IN, respectively. The other end of resistor R42 is connected to +5V, one end of inductor L2, and the other ends of capacitors C27 and C28, respectively. The other end of inductor L2 is connected to pin 6 of the step-down chip U8 and one end of capacitor C29. The other end of capacitor C29 is connected to pin 1 of the step-down chip U8. Pin 4 of the step-down chip U8 is connected to pin P66 of the main control chip U5.

[0011] The water outlet module includes a diode S1, a transistor Q2, a field-effect transistor Q1, resistors R8 and R15, a capacitor C24, and a motor connector CN2. One end of resistor R8 is connected to pin P66 of the main control chip U5, and the other end of resistor R8 is connected to the base of transistor Q2. The emitter of transistor Q2 is grounded. The collector of transistor Q2 is connected to one end of resistor R15 and the base of field-effect transistor Q1. The other end of resistor R15 and the collector of field-effect transistor Q1 are both connected to +5V. The emitter of field-effect transistor Q1 is connected to one end of capacitor C24, the cathode of diode S1, and pin 3 of motor connector CN2. The other end of capacitor C24, the anode of diode S1, and pin 2 of motor connector CN2 are all grounded. Pin 1 of motor connector CN2 is connected to pin P54 of the main control chip U5. Motor connector CN2 drives the motor.

[0012] The temperature detection module includes resistor R37, resistor R38, capacitor C22, and thermistor H5. One end of resistor R37 is connected to VCC, and the other end of resistor R37 is connected to one end of resistor R38, one end of capacitor C22, and thermistor H5. The other end of capacitor C22 is grounded, and the other end of resistor R38 is connected to pin P51 of the main control chip U5.

[0013] The main control chip U5 is model JZ8M2602C, the disinfection control chip U7 is model JZ8P1520, the temperature display chip U6 is model JZ8P1521D, the sensing chip U9 is model AS312, and the step-down chip U8 is model AP72ATCER.

[0014] The advantages and positive effects of this utility model are: a pet water fountain that controls the water temperature by collecting temperature data through a thermistor voltage divider, and controls the set temperature in real time; detects whether a pet is near the pet water fountain by human body sensing, turns on the water pump, and gives the pet water; and disinfects and sterilizes the pet at irregular intervals by using a disinfection lamp. Attached Figure Description

[0015] Figure 1 This is the circuit connection diagram of the main control module;

[0016] Figure 2 This is the circuit connection diagram for the UV lamp disinfection module;

[0017] Figure 3 This is the circuit connection diagram for the heating module;

[0018] Figure 4 This is the circuit connection diagram for the temperature display module;

[0019] Figure 5 This is the circuit connection diagram for the water outlet module;

[0020] Figure 6 This is the circuit connection diagram for the temperature detection module;

[0021] Figure 7 This is the circuit connection diagram for the power management module;

[0022] Figure 8 This is the circuit connection diagram for the sensing module. Detailed Implementation

[0023] The specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0024] like Figure 1-8 As shown, a preferred embodiment of a pet water fountain includes a main control module, a sensing module, a UV lamp disinfection module, a heating module, a temperature display module, a power management module, a water dispensing module, and a temperature detection module. The sensing module, UV lamp disinfection module, heating module, temperature display module, power management module, water dispensing module, and temperature detection module are respectively connected to the main control module.

[0025] like Figure 1 As shown, the main control module includes a main control chip U5, capacitor C11, and capacitor C17. Capacitors C11 and C17 are connected in parallel, with one end connected to the GND pin of the main control chip U5 and the other end connected to the VDD pin of the main control chip U5. The working principle is as follows: it mainly detects PIR communication signals from buttons and human body sensors to control the temperature display, activate the boost chip, and drive the water pump, heating wire, buck chip switch, and disinfection lamp.

[0026] like Figure 8 As shown, the sensing module includes a sensing chip U9, a resistor R5, and a capacitor C34. Pin 2 of the sensing chip U9 is connected to pin P50 of the temperature display chip U6 and one end of the resistor R5, respectively. The other end of the resistor R5 is grounded. Pin 1 of the sensing chip U9 is connected to one end of the capacitor C34 and VCC, respectively. The other end of the capacitor C34 is grounded. The working principle of the sensing module is as follows: a direct digital signal output intelligent pyroelectric infrared sensor for the human body. The human body detection sensing source of the digital intelligent control circuit is integrated into the pyroelectric infrared sensor within an electromagnetic shield. The human movement signal is coupled to the digital intelligent integrated circuit through a high-impedance differential input circuit. The digital threshold is processed by the ADC signal, and high and low level signals are output.

[0027] like Figure 2 As shown, the UV lamp disinfection module includes a disinfection control chip U7, resistors R48, R47, and R49, capacitor C33, MOSFET Q11, diode D6, LED11, and UVC connector H4. The anode of diode D6 is connected to +5V, and the cathode of diode D6 is connected to one end of capacitor C33 and pin VDD of disinfection control chip U7. The other end of capacitor C33 is connected to pin GND of disinfection control chip U7 and ground. P62 is connected in series with resistor R48 and then connected to one end of resistor R49 and the base of MOSFET Q11. The other end of resistor R49 and the emitter of MOSFET Q11 are both connected to one end of resistor R47. The other end of resistor R47 is grounded. The collector of MOSFET Q11 is connected to the cathode of LED11. The anode of LED11 is connected to +5V. UVC connector H4 is connected in parallel with LED11 and is connected to the disinfection lamp. During normal disinfection, the disinfection lamp does not need to work continuously to avoid affecting battery life. Disinfection and sterilization are performed by a separate chip timer: it operates at intervals. A 30-minute timer operates for 5 minutes to disinfect and sterilize, driving the UV lamp output.

[0028] like Figure 3As shown, the heating module includes resistors R16 and R18, transistor Q5, MOSFET Q9, and heating wire H6. The base of transistor Q5 is connected in series with resistor R18 and then connected to pin P55 of the main control chip U5. The emitter of transistor Q5 is grounded. The collector of transistor Q5 is connected to one end of resistor R16 and the base of MOSFET Q9. The emitter of MOSFET Q9 is grounded. The collector of MOSFET Q9 and the other end of resistor R16 are both connected to +12V. The working principle is as follows: A normal temperature is set, and the current temperature is detected to determine whether water is being heated. If the temperature is lower than the set temperature, normal heating is activated. If the temperature is higher than the set temperature, heating is deactivated. Heating is generally driven by 12V and powered by a sensor.

[0029] like Figure 4As shown, the temperature display module includes a temperature display chip U6, a capacitor C20, a digital tube LED8, resistors R20, R19, R20, R23, R43, R44, R45, R46, buttons KEY1 and KEY2, and light-emitting diodes LED101, LED102, LED103, LED9, and LED7. The temperature display chip U6 has pins P67, P66, and P67. 5. Pins P64, P63, P61, and P62 are respectively connected to pins 6, 7, 1, 3, 4, 9, and 8 of the digital tube LED8. Pin P52 of the temperature display chip U6 is connected in series with resistor R20 and then connected to pin 10 of the digital tube LED8. Pin P53 of the temperature display chip U6 is connected in series with resistor R23 and then connected to pin 5 of the digital tube LED8. Pin P60 of the temperature display chip U6 is connected to pin P of the main control chip U5. 70. One end of button KEY1 is connected to pin P52 of the main control chip U5, and one end of button KEY2 is connected to pin P53 of the main control chip U5. The other ends of buttons KEY1 and KEY2 are grounded. The positive terminals of LED101, LED102, LED103, LED9, and LED7 are all connected to VCC. The negative terminal of LED101 is connected to pin P62 of the main control chip U5 after being connected in series with resistor R44. The negative terminal of LED102 is connected to pin P63 of the main control chip U5 after being connected in series with resistor R46. The negative terminal of LED103 is connected to pin P64 of the main control chip U5 after being connected in series with resistor R45. The negative terminal of LED9 is connected to pin P51 of the temperature display chip U6 after being connected in series with resistor R43. The negative terminal of LED7 is connected to pin P65 of the main control chip U5 after being connected in series with resistor R19. The working principle is as follows: Pin P65 of the main control chip U5 controls the UVC indicator light, which mainly indicates whether the disinfection lamp is working properly. For example, if the disinfection module is working, it will display normally.

[0030] like Figure 7As shown, the power management module includes a step-down chip U8, resistors R41 and R42, capacitors C25, C26, C27, C28, and C29, and an inductor L2. Pin 3 of the step-down chip U8 is connected to one end of resistors R41 and R42, respectively. The other end of resistor R41 is connected to one end of capacitors C25, C26, C27, and C28, respectively. The other ends of capacitors C25 and C26 are connected in parallel and then connected to pin 5 of the step-down chip U8 and VCC_IN, respectively. The other end of resistor R42 is connected to +5V, one end of inductor L2, and the other ends of capacitors C27 and C28, respectively. The other end of inductor L2 is connected to pin 6 of the step-down chip U8 and one end of capacitor C29, respectively. The other end of capacitor C29 is connected to pin 1 of the step-down chip U8. Pin 4 of the step-down chip U8 is connected to pin P66 of the main control chip U5. The working principle is as follows: It powers the water pump, disinfection lamp, and main control chip. The operating current is 1A. When the pet drinks, the water pump needs to work, the main control chip processes the signal, and the output signal activates the step-down chip, enabling it to work and thus supply water to the pet. When the pet leaves, the sensor detects this and shuts off the water flow, thereby deactivating the step-down chip.

[0031] like Figure 5 As shown, the water outlet module includes a diode S1, a transistor Q2, a field-effect transistor Q1, a resistor R8, a resistor R15, a capacitor C24, and a motor connector CN2. One end of the resistor R8 is connected to pin P66 of the main control chip U5, and the other end of the resistor R8 is connected to the base of the transistor Q2. The emitter of the transistor Q2 is grounded. The collector of the transistor Q2 is connected to one end of the resistor R15 and the base of the field-effect transistor Q1. The other end of the resistor R15 and the collector of the field-effect transistor Q1 are both connected to +5V. The emitter of the field-effect transistor Q1 is connected to one end of the capacitor C24, the cathode of the diode S1, and pin 3 of the motor connector CN2. The other end of the capacitor C24, the anode of the diode S1, and pin 2 of the motor connector CN2 are all grounded. Pin 1 of the motor connector CN2 is connected to pin P54 of the main control chip U5. The motor connector CN2 drives the motor to work. The working principle is as follows: the motor directly powers the water pump, which then pumps water for the pet to drink. The main control IC controls the MOSFET to control whether the water pump is powered.

[0032] like Figure 6As shown, the temperature detection module includes resistors R37 and R38, capacitor C22, and thermistor H5. One end of resistor R37 is connected to VCC, and the other end of resistor R37 is connected to one end of resistor R38, one end of capacitor C22, and thermistor H5. The other end of capacitor C22 is grounded, and the other end of resistor R38 is connected to pin P51 of the main control chip U5. The working principle is as follows: pin P51 of the main control chip U5 collects the different resistance values ​​of the thermistor under different environments, thereby collecting a voltage divider and calculating the current temperature. The microcontroller then simulates the signal voltage value using a 12-bit analog-to-digital converter to calculate the current temperature value.

[0033] The main control chip U5 is model JZ8M2602C, the disinfection control chip U7 is model JZ8P1520, the temperature display chip U6 is model JZ8P1521D, the sensing chip U9 is model AS312, and the step-down chip U8 is model AP72ATCER.

[0034] A pet water fountain features a heating element located at the bottom of the water basin. A water pump is placed in the water; when powered on, the water circulates and flows. A thermistor, also located at the bottom of the basin, monitors the water temperature in real time. The sensing module is encapsulated and receives high-active and low-active signals via the I / O port of a JZ8P1521D chip. Data transmission is performed via a single-wire communication port (IO_Data), located on the front of the device, with an opening for housing the human body sensor module. The pet water fountain operates as follows: a long press and short press of the button turns it on and off. When powered on, it detects the communication signal of the temperature display chip U6, reads the data from the human body sensor PIR, controls the power supply of the step-down chip, and controls the on / off operation of the water pump, heating element, and disinfection lamp. It detects whether the power supply is from the identifier or the battery, determining when to shut off due to low battery voltage and when the identifier is functioning normally. It detects the current temperature, collects the voltage drop data from the thermistor, and communicates this data to the temperature display chip U6 to display the current temperature. It also memorizes the current operating time, providing a reminder and filter replacement alarm for prolonged operation, displayed on an LED.

[0035] The embodiments of this utility model have been described in detail above, but the content described is only a preferred embodiment of this utility model and should not be considered as limiting the scope of implementation of this utility model. All equivalent changes and improvements made within the scope of this utility model should still fall within the scope of this patent.

Claims

1. A pet water fountain, characterized by: The utility model relates to a kind of UV water purifiers, including main control module, sensing module, UV lamp disinfection module, heating module, temperature display module, power management module, water outlet module and temperature detection module, the sensing module, UV lamp disinfection module, heating module, temperature display module, power management module, water outlet module and temperature detection module are connected with the main control module respectively, The main control module includes main control chip U5, capacitor C11 and capacitor C17, the capacitor C11 and capacitor C17 are connected in parallel, one end of which is connected to the pin GND of the main control chip U5, and the other end is connected to the pin VDD of the main control chip U5, The sensing module includes sensing chip U9, resistor R5 and capacitor C34, the pin 2 of the sensing chip U9 is connected to the pin P50 of the temperature display chip U6 and one end of the resistor R5 respectively, the other end of the resistor R5 is grounded, the pin 1 of the sensing chip U9 is connected to one end of the capacitor C34 and VCC respectively, and the other end of the capacitor C34 is grounded, The UV lamp disinfection module includes disinfection control chip U7, resistor R48, resistor R47, resistor R49, capacitor C33, field effect tube Q11, diode D6, light emitting diode LED11 and UVC connector H4, the positive electrode of the diode D6 is connected to +5V, the negative electrode of the diode D6 is connected to one end of the capacitor C33 and the pin VDD of the disinfection control chip U7 respectively, the other end of the capacitor C33 is connected to the pin GND of the disinfection control chip U7 and grounded respectively, the pin P62 of the disinfection control chip U7 is connected to one end of the resistor R49 and the base of the field effect tube Q11 after being connected in series with the resistor R48, the other end of the resistor R49 and the emitter of the field effect tube Q11 are both connected to one end of the resistor R47, the other end of the resistor R47 is grounded, the collector of the field effect tube Q11 is connected to the negative electrode of the light emitting diode LED11, the positive electrode of the light emitting diode LED11 is connected to +5V, the UVC connector H4 is connected in parallel with the light emitting diode LED11, and the UVC connector H4 is connected to a disinfection lamp, The heating module includes resistor R16, resistor R18, triode Q5, field effect tube Q9 and heating wire H6, the base of the triode Q5 is connected to the pin P55 of the main control chip U5 after being connected in series with the resistor R18, the emitter of the triode Q5 is grounded, the collector of the triode Q5 is connected to one end of the resistor R16 and the base of the field effect tube Q9 respectively, the emitter of the field effect tube Q9 is grounded, and the collector of the field effect tube Q9 and the other end of the resistor R16 are both connected to +12V, The temperature display module includes temperature display chip U6, capacitor C20, digital tube LED 8, resistor R20, resistor R19, resistor R20, resistor R23, resistor R43, resistor R44, resistor R45, resistor R46, button KEY1, button KEY2, light emitting diode LED101, light emitting diode LED102, light emitting diode LED103, light emitting diode LED9 and light emitting diode LED7, the pin P67, pin P66, pin P65, pin P64, pin P63, pin P61, pin P62 of the temperature display chip U6 are connected to the pin 6, pin 7, pin 1, pin 3, pin 4, pin 9, pin 8 of the digital tube LED 8 respectively, the pin P52 of the temperature display chip U6 is connected to the pin 10 of the digital tube LED 8 after being connected to the resistor R20 in series, the pin P53 of the temperature display chip U6 is connected to the pin 5 of the digital tube LED 8 after being connected to the resistor R23 in series, the pin P60 of the temperature display chip U6 is connected to the pin P70 of the main control chip U5, one end of the button KEY1 is connected to the pin P52 of the main control chip U5, one end of the button KEY2 is connected to the pin P53 of the main control chip U5, the other end of the button KEY1 and the button KEY2 is grounded, the positive pole of the light emitting diode LED101, light emitting diode LED102, light emitting diode LED103, light emitting diode LED9 and light emitting diode LED7 is connected to VCC, the negative pole of the light emitting diode LED101 is connected to the pin P62 of the main control chip U5 after being connected to the resistor R44 in series, the negative pole of the light emitting diode LED102 is connected to the pin P63 of the main control chip U5 after being connected to the resistor R46 in series, the negative pole of the light emitting diode LED103 is connected to the pin P64 of the main control chip U5 after being connected to the resistor R45 in series, the negative pole of the light emitting diode LED9 is connected to the pin P51 of the temperature display chip U6 after being connected to the resistor R43 in series, the negative pole of the light emitting diode LED7 is connected to the pin P65 of the main control chip U5 after being connected to the resistor R19 in series, The power management module includes a step-down chip U8, resistors R41 and R42, capacitors C25, C26, C27, C28 and C29, and an inductor L2. One end of the resistor R41 is connected to one end of the resistor R42 and pin 3 of the step-down chip U8. The other end of the resistor R41 is connected to one end of the capacitors C25, C26, C27 and C28. The other ends of the capacitors C25 and C26 are connected in parallel and connected to pin 5 of the step-down chip U8 and VCC_IN respectively. The other end of the resistor R42 is connected to +5V, one end of the inductor L2, and the other ends of the capacitors C27 and C28. The other end of the inductor L2 is connected to pin 6 of the step-down chip U8 and one end of the capacitor C29. The other end of the capacitor C29 is connected to pin 1 of the step-down chip U8. Pin 4 of the step-down chip U8 is connected to pin P66 of the main control chip U5. The water outlet module includes a diode S1, a transistor Q2, a field effect transistor Q1, resistors R8 and R15, a capacitor C24, and a motor connector CN2. One end of the resistor R8 is connected to pin P66 of the main control chip U5. The other end of the resistor R8 is connected to the base of the transistor Q2. The emitter of the transistor Q2 is grounded. The collector of the transistor Q2 is connected to one end of the resistor R15 and the base of the field effect transistor Q1. The other end of the resistor R15 and the collector of the field effect transistor Q1 are connected to +5V. The emitter of the field effect transistor Q1 is connected to one end of the capacitor C24, the negative electrode of the diode S1, and pin 3 of the motor connector CN2. The other end of the capacitor C24, the positive electrode of the diode S1, and pin 2 of the motor connector CN2 are grounded. Pin 1 of the motor connector CN2 is connected to pin P54 of the main control chip U5. The motor connector CN2 drives the motor to work. The temperature detection module includes resistors R37 and R38, a capacitor C22, and a thermistor H5. One end of the resistor R37 is connected to VCC. The other end of the resistor R37 is connected to one end of the resistor R38, one end of the capacitor C22, and the thermistor H5. The other end of the capacitor C22 is grounded. The other end of the resistor R38 is connected to pin P51 of the main control chip U5.

2. The pet water fountain of claim 1, wherein: The main control chip U5 is model JZ8M2602C, the sterilization control chip U7 is model JZ8P1520, the temperature display chip U6 is model JZ8P1521D, the induction chip U9 is model AS312, and the step-down chip U8 is model AP72ATCER.

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