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CN-224217013-U - Self-help pet washing control circuit

CN224217013UCN 224217013 UCN224217013 UCN 224217013UCN-224217013-U

Abstract

The utility model discloses a self-help pet washing control circuit, which relates to the technical field of pet bath control circuits, and comprises a main control circuit, a power supply circuit, a communication circuit, a large relay control output circuit and a small relay control output circuit, wherein the main control circuit, the communication circuit, the large relay control output circuit and the small relay control output circuit are respectively and electrically connected with the power supply circuit, the communication circuit, the large relay control output circuit and the small relay control output circuit are respectively and communicatively connected with the main control circuit, the circuit can support high-power electric equipment, output the electric equipment by using an optocoupler to be isolated, the normal operation of the main control chip is effectively protected, in order to avoid the possibility of damaging circuits due to the fact that the power of the whole machine is too high when a blower and a water heater are simultaneously started, the large relay control water heater is additionally used, the hot water is disconnected when the blower is started, the water heater is turned on after the blower is closed for 30 seconds, and the frequent start and stop of the blower is prevented.

Inventors

  • WU JINGSHENG

Assignees

  • 珠海微米物联科技有限公司

Dates

Publication Date
20260508
Application Date
20250611

Claims (8)

  1. 1. The utility model provides a control circuit of pet is washed by oneself, includes master control circuit (1), power supply circuit (2), communication circuit (3), big relay control output circuit (4) and little relay control output circuit (5), its characterized in that: The main control circuit (1), the communication circuit (3), the large relay control output circuit (4) and the small relay control output circuit (5) are respectively and electrically connected with the power supply circuit (2), and the communication circuit (3), the large relay control output circuit (4) and the small relay control output circuit (5) are respectively and communicatively connected with the main control circuit (1); the main control circuit (1) comprises a main control chip IC3; The large relay control output circuit (4) comprises a plurality of first opto-coupler isolators and a large relay, and the small relay control output circuit (5) comprises a plurality of second opto-coupler isolators and a small relay.
  2. 2. The self-service pet washing control circuit according to claim 1, wherein: The interface 1 of the first optical coupler isolator is connected with the main control chip IC3 through a resistor, the interface 2 of the first optical coupler isolator is grounded, the interface 4 of the first optical coupler isolator is externally connected with the VCC5V end through a resistor, the interface 3 of the first optical coupler isolator is externally connected with the VCC5V end through a triode, a light emitting diode and a resistor, the interface 2 of the large relay is externally connected with the 12_VCC end through a diode and a resistor, and the interface 4 of the large relay is externally connected with the plug connector.
  3. 3. The self-service pet washing control circuit according to claim 2, wherein: the interface 1 of the second optocoupler isolator is connected with the main control chip IC3 through a resistor, the interface 2 of the second optocoupler isolator is grounded, the interface 4 of the second optocoupler isolator is externally connected with the VCC5V end through a resistor, the interface 3 of the second optocoupler isolator is connected with the small relay through a triode, the interface 4 of the small relay is externally connected with the 12_VCC end, the interface 3 of the small relay is externally connected with the plug connector, and the interface 1 of the small relay is externally connected with the VCC12V end through a diode and the resistor.
  4. 4. A self-service pet washing control circuit according to claim 3, wherein: The power supply circuit (2) comprises a plug-in connector P1, a power supply chip IC1 and a voltage stabilizer IC2; the power chip IC1 is electrically connected between the plug P1 and the voltage regulator IC2, VCC12V end and 12_VCC end are externally connected between the power chip IC1 and the plug P1, and 5VO end, VCC33 end and main control chip_VCC end are externally connected between the power chip IC1 and the voltage regulator IC 2.
  5. 5. The self-service pet washing control circuit according to claim 4, wherein: The communication circuit (3) comprises a communication chip IC5, a communication chip IC6 and a switch SW1; The interface 1 of the communication chip IC5 is externally connected with the RXD1_1 end, the interface 2 of the communication chip IC5 is externally connected with the RE1 end, the interface 3 of the communication chip IC5 is connected between the interface 2 of the communication chip IC5 and the RE1 end, the interface 4 of the communication chip IC5 is externally connected with the TXD1_1 end, the interface 5 of the communication chip IC5 is grounded, the interface 6 of the communication chip IC5, the resistor R13, the zener diode DW2, the zener diode DW1, the resistor R11 and the interface 7 of the communication chip IC5 are sequentially connected in series, the interface 485_A1 end is externally connected between the resistor R13 and the zener diode DW2, the interface 6 of the communication chip IC5 is externally connected with the resistor R14, the resistor R14 is externally connected with the end 5V end, the interface 7 of the communication chip IC5 is externally connected with the resistor R10, the resistor R10 is connected with the end through the capacitor C22, the capacitor C22 is electrically connected with the capacitor C22 between the interface VCC5 and the capacitor C22; The RXD1_1 end is electrically connected with the RX1 end through a diode D5, the RX1 end is electrically connected with a 22 interface of the main control chip IC3, a resistor R12 is externally connected between the diode D5 and the RX1 end, and the resistor R12 is externally connected with the RXD1_2 end; The RXD1_2 end is electrically connected with the 12 interface of the communication chip IC6, the TXD1_2 end is electrically connected with the 11 interface of the communication chip IC6, the 9 interface of the communication chip IC6 is externally connected with the RX2 end, the 10 interface of the communication chip IC6 is externally connected with the TX2 end, the RX2 end is electrically connected with the 13 interface of the main control chip IC3, and the TX2 end is electrically connected with the 12 interface of the main control chip IC 3; The interface 13 of the communication chip IC6 is externally connected with a 232_TX1 end through a resistor R16, the interface 14 of the communication chip IC6 is externally connected with a 232_RX1 end through a resistor R18, the interface 8 of the communication chip IC6 is externally connected with a 232_TX2 end through a resistor R19, and the interface 7 of the communication chip IC6 is externally connected with a 232_RX2 end through a resistor R20; The 1 interface of the switch SW1 is externally connected with the 232_RX1 end, the 4 interface of the switch SW1 is externally connected with the 232_TX1 end, the 3 interface of the switch SW1 is externally connected with the 485_A1 end, and the 6 interface of the switch SW1 is externally connected with the 485_B1 end.
  6. 6. The self-service pet washing control circuit according to claim 5, wherein: The system also comprises an electric quantity counting circuit (6), wherein the electric quantity counting circuit (6) comprises an electric quantity parameter acquisition chip IC7, an optical coupler isolator IC8, a voltage transformer CT1, a current transformer CT2 and a plug-in connector P13; The voltage transformer CT1 is electrically connected with the 4 interface of the electric quantity parameter acquisition chip IC7 through the VP end, the current transformer CT2 is electrically connected with the 2 interface of the electric quantity parameter acquisition chip IC7 through the IP end, and the current transformer CT2 is electrically connected with the 3 interface of the electric quantity parameter acquisition chip IC7 through the IN end.
  7. 7. The self-service pet washing control circuit according to claim 6, wherein: the washing and protecting liquid residual quantity detection circuit (7) comprises an NPN type liquid level sensor and a plurality of optical coupler isolators, and an input pin of the NPN type liquid level sensor is electrically connected with the main control chip IC3 through the optical coupler isolators.
  8. 8. The self-service pet washing control circuit according to claim 7, wherein: Also comprises a pause button detection circuit (8), wherein the pause button detection circuit (8) comprises a plug-in connector P2; The interface 2, the resistor R3 and the capacitor C20 of the plug P2 are sequentially connected in series, the capacitor C20 is grounded, an IRIN0 end is externally connected between the interface 2 and the resistor R3 of the plug P2, and a Door end is externally connected between the resistor R3 and the capacitor C20; the IRIN0 end, the resistor R7, the resistor R6 and the VCC33 end are sequentially connected in series, and the Door end is electrically connected with the 28 interface of the main control chip IC 3.

Description

Self-help pet washing control circuit Technical Field The utility model relates to the technical field of pet bath control circuits, in particular to a self-help pet washing control circuit. Background Pets (pets) refer to living things which people are kept for mental purposes, but not for economic purposes, pet bathing is an important link for maintaining pets, a scientific and correct bathing mode can keep pets clean and prevent diseases and improve emotion of the pets, most of the current modes for bathing the pets are at home or sent to pet stores, more space and water sources are generally required to be consumed at home, particularly, operation of large dogs is extremely inconvenient, the pet stores need to reserve and wait for manual cleaning in line, service efficiency is low, the pets are not in business for 24 hours, and price is relatively high. At present, some self-help pet washing shops appear on the market, but the used equipment is still common pet bathing equipment, most pet owners do not have the operation proficiency of professionals, the actual use experience is poor, and the phenomenon of unstable water flow or drenching of the owners due to overlarge noise of household water pipes can cause stress reaction of the pets. Disclosure of utility model The utility model aims to provide a self-help pet washing control circuit for solving the problems in the background technology. In order to solve the technical problems, the utility model provides the following technical scheme: A self-help pet washing control circuit comprises a main control circuit, a power supply circuit, a communication circuit, a large relay control output circuit and a small relay control output circuit; The main control circuit, the communication circuit, the large relay control output circuit and the small relay control output circuit are respectively and electrically connected with the power supply circuit; the main control circuit comprises a main control chip IC3; The large relay control output circuit comprises a plurality of first opto-coupler isolators and a large relay, and the small relay control output circuit comprises a plurality of second opto-coupler isolators and a small relay. Further, the 1 interface of the first optocoupler isolator is connected with the main control chip IC3 through a resistor, the 2 interface of the first optocoupler isolator is grounded, the 4 interface of the first optocoupler isolator is externally connected with the VCC5V end through a resistor, the 3 interface of the first optocoupler isolator is externally connected with the VCC5V end through a triode, a light emitting diode and a resistor, the 2 interface of the large relay is externally connected with the 12_VCC end through a diode and a resistor, and the 4 interface of the large relay is externally connected with the plug connector. Further, the 1 interface of the second optocoupler isolator is connected with the main control chip IC3 through a resistor, the 2 interface of the second optocoupler isolator is grounded, the 4 interface of the second optocoupler isolator is externally connected with the VCC5V end through a resistor, the 3 interface of the second optocoupler isolator is connected with the small relay through a triode, the 4 interface of the small relay is externally connected with the 12_VCC end, the 3 interface of the small relay is externally connected with the plug connector, and the 1 interface of the small relay is externally connected with the VCC12V end through a diode and the resistor. Further, the power supply circuit comprises a plug-in connector P1, a power supply chip IC1 and a voltage stabilizer IC2; the power chip IC1 is electrically connected between the plug P1 and the voltage regulator IC2, VCC12V end and 12_VCC end are externally connected between the power chip IC1 and the plug P1, and 5VO end, VCC33 end and main control chip_VCC end are externally connected between the power chip IC1 and the voltage regulator IC 2. Further, the communication circuit comprises a communication chip IC5, a communication chip IC6 and a switch SW1; The interface 1 of the communication chip IC5 is externally connected with the RXD1_1 end, the interface 2 of the communication chip IC5 is externally connected with the RE1 end, the interface 3 of the communication chip IC5 is connected between the interface 2 of the communication chip IC5 and the RE1 end, the interface 4 of the communication chip IC5 is externally connected with the TXD1_1 end, the interface 5 of the communication chip IC5 is grounded, the interface 6 of the communication chip IC5, the resistor R13, the zener diode DW2, the zener diode DW1, the resistor R11 and the interface 7 of the communication chip IC5 are sequentially connected in series, the interface 485_A1 end is externally connected between the resistor R13 and the zener diode DW2, the interface 6 of the communication chip IC5 is externally connected with the resistor R14, the resistor R14 i