CN215874529U

CN215874529U - Control circuit of steam mop

Info

Publication number: CN215874529U
Application number: CN202120476671.0U
Authority: CN
Inventors: 蔡自光; 周国辉; 劳锟沂
Original assignee: Foshan Youyi Home Appliance Manufacturing Co ltd
Current assignee: Foshan Shunde Feipai Technology Co ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2022-02-22
Anticipated expiration: 2031-03-05

Abstract

The utility model discloses a control circuit of a steam mop, which comprises a power switch, a first temperature fuse, a second temperature fuse, a control panel, a gear key board, a water pump, a heating body, a thermistor and a bead switch, wherein the power switch is connected with the first temperature fuse; one end of the power switch is connected with the L end of the power supply, the other end of the power switch is connected with one end of the first temperature fuse, the other end of the first temperature fuse is connected with the control panel, one end of the second temperature fuse is connected with the N end of the power supply, and the other end of the second temperature fuse is connected with the control panel; the control panel is respectively connected with the gear key board, the water pump, the heating body, the thermistor and the wave bead switch. The utility model uses the structure of the double-temperature fuse, accords with EMC and FCC certification requirements, ensures the personal safety of users to the maximum extent, has three-gear, and is humanized to meet the requirements of various occasions.

Description

Control circuit of steam mop

Technical Field

The utility model relates to the technical field of household cleaning, in particular to a control circuit of a steam mop.

Background

The household cleaning refers to an activity of cleaning and cleaning the floor, wall, ceiling, balcony, kitchen, toilet and other parts in the house by using cleaning equipment, tools and medicaments by a professional cleaning specialist, and performing targeted treatment on doors, windows, glass, stoves, sanitary wares, furniture and the like to achieve the purposes of environmental cleaning, sterilization, corrosion prevention and article maintenance.

In real life, people need to use the mop when mopping different places in a room, and because the solid wood floor cannot be cleaned by the mop with large moisture and the control of the moisture is difficult to master, a plurality of families select to mop the floor by the dry mop for protecting the floor, thereby reducing the mopping effect and failing to achieve the mopping purpose.

With the improvement of living standard of people, the steam mop becomes a common household cleaning tool. Its principle of steam mop is through heating water, produces pressure and high temperature, and direct disinfection and degerming come through high temperature high pressure steam, clean environment at home, owing to have sanitation and hygiene, use convenient characteristics, steam mop is receiving people's favor gradually.

The control circuit of the existing steam mop has a single gear, adopts a single-temperature fuse structure, and is easy to break down and be dangerous when in use.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a control circuit for a steam mop to solve the above problems in the prior art.

The utility model solves the problems through the following technical means:

a control circuit of a steam mop comprises a power switch, a first temperature fuse, a second temperature fuse, a control panel, a gear key board, a water pump, a heating body, a thermistor and a wave bead switch;

one end of the power switch is connected with the L end of the power supply, the other end of the power switch is connected with one end of the first temperature fuse, the other end of the first temperature fuse is connected with the control panel, one end of the second temperature fuse is connected with the N end of the power supply, and the other end of the second temperature fuse is connected with the control panel;

the control panel is respectively connected with the gear key board, the water pump, the heating body, the thermistor and the wave bead switch.

Further, the control board comprises a piezoresistor ZR1, a fuse F1, a capacitor CX1, a capacitor C4, a capacitor C5, a capacitor C6, a resistor R1, a resistor R18, a diode D1, a diode D2, a diode D5, a diode D9, a polarity capacitor EC2, a polarity capacitor EC3, a polarity capacitor EC4, a polarity capacitor EC5, a magnetic core inductor L1, a magnetic core inductor L2, a chip U1 and a three-terminal integrated regulator IC 1;

one end of a piezoresistor ZR1 is connected with an L end of a power supply, one end of a capacitor CX1, one end of a resistor R1, one end of a water pump and one end of a heating body respectively, the other end of a piezoresistor ZR1 is connected with one end of a fuse F1, the other end of a capacitor CX1, the negative electrode of a polar capacitor EC3, the negative electrode of a polar capacitor EC4, the positive electrode of a diode D9, the negative electrode of a polar capacitor EC5, one end of a resistor R18, the GND end of a three-terminal integrated regulator IC1, the negative electrode of a polar capacitor EC2 and one end of a capacitor C4 respectively, the other end of the fuse F1 is connected with an N end of the power supply, the other end of the resistor R1 is connected with the positive electrode of a diode D1, the negative electrode of a diode D1 is connected with the positive electrode of a diode D2, the negative electrode of a diode D2 is connected with the positive electrode of a polar capacitor EC3 and one end of an inductor L1 respectively, the other end of a magnetic core 4, the other end of a magnetic core 365 of a chip U72 and a pin 366 are connected with the other end of a magnetic core L1 respectively, Pin 7 and pin 8, pin 1 of chip U1 is connected to the cathode of diode D9, pin 2 of chip U1, one end of capacitor C5, one end of capacitor C6 and one end of magnetic core inductor L2, pin 3 of chip U1 is connected to the other end of capacitor C5, pin 4 of chip U1 is connected to the other end of capacitor C6 and the cathode of diode D5, the anode of diode D5 is connected to the other end of magnetic core inductor L2, the anode of polarity capacitor EC5, the other end of resistor R18 and the IN end of three-terminal integrated regulator IC1, and the OUT end of three-terminal integrated regulator IC1 is connected to the anode of polarity capacitor EC2 and the other end of capacitor C4;

the device also comprises a relay REL1, a diode D4, a triode Q4 and a resistor R10;

one end of a normally open contact of the relay REL1 is connected with the other end of the fuse F1, one end of a coil of the relay REL1 and the negative electrode of the diode D4 respectively, the other end of the normally open contact of the relay REL1 is connected with the other end of the water pump, the other end of the coil of the relay REL1 is connected with the positive electrode of the diode D4 and the collector of the triode Q4 respectively, the emitter of the triode Q4 is grounded, and the base of the triode Q4 is connected with one end of the resistor R10;

the circuit also comprises a terminal CN7, a bidirectional thyristor TR2, a resistor R8 and a resistor R9;

pin 1 of terminal CN7 is connected to one end of varistor ZR1, pin 2 of terminal CN7 is connected to T2 end of triac TR2, G end of triac TR2 is connected to one end of resistor R8 and one end of resistor R9 respectively; the T1 end of the bidirectional thyristor TR2 is respectively connected with the other end of the heating element and the other end of the resistor R9;

the circuit also comprises a resistor R2, a resistor R11, a resistor RJ3, a resistor R14, a capacitor C9, a capacitor C10 and a terminal CN 1;

one end of the resistor R2 is connected with one end of the piezoresistor ZR1, the other end of the resistor R2 is respectively connected with one end of the capacitor C10 and one end of the resistor R11, and the other end of the capacitor C10 is connected with the other end of the resistor R11 and grounded; pin 1 of terminal CN1 is connected to one end of resistor RJ3 and one end of resistor R14 respectively, the other end of resistor RJ3 is connected to OUT terminal of three-terminal integrated regulator IC1, pin 2 of CN1 is connected to one end of capacitor C9 and grounded, and the other end of capacitor C9 is connected to pin 3 of CN1 and the other end of resistor R14 respectively;

the circuit also comprises a chip U2, a terminal NTC, a terminal BOZHU, a resistor R12, a capacitor C7 and a capacitor C8;

pin 14 of chip U2 is grounded, pin 11 of chip U2 is connected to one end of resistor R11, pin 10 of chip U2 is connected to the other end of resistor R10, pin 9 of chip U2 is connected to the other end of resistor R8, pin 8 of chip U2 is connected to pin 3 of terminal CN1, pin 1 of chip U2 is connected to OUT terminal of three-terminal integrated regulator IC1, pin 6 of chip U2 is connected to one end of capacitor C8 and pin 1 of terminal BOZHU, the other end of capacitor C8 is grounded, pin 2 of terminal BOZHU is grounded, pin 7 of chip U2 is connected to one end of resistor R12, one end of capacitor C7 and NTC pin 2 of terminal, the other end of resistor R12 is connected to the other end of capacitor C7 and is grounded, and pin 1 of terminal NTC is connected to pin 1 of chip U2.

Further, the gear key board comprises a terminal CN5, a terminal CN6, a resistor R15, a resistor R17 and a resistor R19;

pin 1 of terminal CN5 is connected to pin 2 of chip U2, pin 2 of terminal CN5 is grounded, pin 1 of terminal CN6 is connected to one end of resistor R15, the other end of resistor R15 is connected to pin 3 of chip U2, pin 2 of terminal CN6 is connected to one end of resistor R17, the other end of resistor R17 is connected to pin 4 of chip U2, pin 3 of terminal CN6 is connected to one end of resistor R19, and the other end of resistor R19 is connected to pin 5 of chip U2.

Compared with the prior art, the utility model has the beneficial effects that at least:

the utility model uses the structure of the double-temperature fuse, accords with EMC and FCC certification requirements, ensures the personal safety of users to the maximum extent, has three-gear, and is humanized to meet the requirements of various occasions.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic diagram of the control circuit of the steam mop of the present invention;

fig. 2 is a circuit diagram of the control panel and gear key panel of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. It should be noted that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.

As shown in fig. 1, the present invention provides a control circuit of a steam mop, which comprises a power switch, a first temperature fuse, a second temperature fuse, a control panel, a gear key board, a water pump, a heating element, a thermistor and a bead switch;

As shown in fig. 2, the control board includes a voltage dependent resistor ZR1, a fuse F1, a capacitor CX1, a capacitor C4, a capacitor C5, a capacitor C6, a resistor R1, a resistor R18, a diode D1, a diode D2, a diode D5, a diode D9, a polarity capacitor EC2, a polarity capacitor EC3, a polarity capacitor EC4, a polarity capacitor EC5, a core inductor L1, a core inductor L2, a chip U1, and a three-terminal integrated regulator IC 1;

The gear key board comprises a terminal CN5, a terminal CN6, a resistor R15, a resistor R17 and a resistor R19;

1. Loading:

firstly, the input voltage of the heating element is 220V 50/60 Hz; the power was 1300W tolerance + 5%/-10%.

Secondly, the input voltage of the water pump is 220V 50/60 Hz; the power is 4.2W tolerance + 5%/-10%.

2. Power supply display panel: 3 gear indicator lamps, the colour is white lamp.

3. The functions of each gear are as follows:

1) the lamp flicker frequency was 0.5 seconds 0N/0.5 seconds OFF.

2) When the machine stands, the water pump enters a standby mode, stops working, the heating core stops working, the LED lamp is completely extinguished, and the machine is recovered to a previous gear from a standing state.

3) And the heating element is switched according to the NTC temperature area.

4) And detecting the mains supply voltage in the high gear mode, and adjusting the water pump voltage (refer to a data table) every 5 seconds.

5) When the input voltage protection is required to be detected, the water pump and the heating core can not work when the voltage is lower than 195V of the commercial power and higher than 245V.

6) Preheating the three LEDs to make the marquee lamp to be on, wherein the frequency of the marquee lamp is 1 second and 0N/1 second OFF, and the preheating is less than or equal to 100 ℃.

7) The steam gear is that 3 lights are all on at the high gear, 2 lights are on at the middle gear, and 1 light at the low gear.

8) And the keyboard board is connected with the mainboard by AWG28 flat cable.

9) And the default gear is MAX gear.

4. Voltage and water quantity correspondence control table:

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A control circuit of a steam mop is characterized by comprising a power switch, a first temperature fuse, a second temperature fuse, a control panel, a gear key board, a water pump, a heating body, a thermistor and a bead switch;

2. The control circuit of the steam mop as claimed in claim 1, wherein the control board comprises a voltage dependent resistor ZR1, a fuse F1, a capacitor CX1, a capacitor C4, a capacitor C5, a capacitor C6, a resistor R1, a resistor R18, a diode D1, a diode D2, a diode D5, a diode D9, a polarity capacitor EC2, a polarity capacitor EC3, a polarity capacitor EC4, a polarity capacitor EC5, a magnetic core inductor L1, a magnetic core inductor L2, a chip U1 and a three-terminal integrated regulator IC 1;

one end of a piezoresistor ZR1 is respectively connected with an L end of a power supply, one end of a capacitor CX1, one end of a resistor R1, one end of a water pump and one end of a heating body, the other end of a piezoresistor ZR1 is respectively connected with one end of a fuse F1, the other end of a capacitor CX1, the negative electrode of a polar capacitor EC3, the negative electrode of a polar capacitor EC4, the positive electrode of a diode D9, the negative electrode of a polar capacitor EC5, one end of a resistor R18, the GND end of a three-terminal integrated regulator IC1, the negative electrode of a polar capacitor EC2 and one end of a capacitor C4 are grounded, the other end of the fuse F1 is connected with an N end of the power supply, the other end of the resistor R1 is connected with the positive electrode of a diode D1, the negative electrode of a diode D1 is connected with the positive electrode of a diode D2, the negative electrode of a diode D2 is respectively connected with the positive electrode of the polar capacitor EC3 and one end of an inductor L1, the other end of a magnetic core 4, a pin 72, a pin 7 and a magnetic core pin 366, pin 1 of the chip U1 is connected to the cathode of the diode D9, pin 2 of the chip U1, one end of the capacitor C5, one end of the capacitor C6 and one end of the magnetic core inductor L2, pin 3 of the chip U1 is connected to the other end of the capacitor C5, pin 4 of the chip U1 is connected to the other end of the capacitor C6 and the cathode of the diode D5, the anode of the diode D5 is connected to the other end of the magnetic core inductor L2, the anode of the polarity capacitor EC5, the other end of the resistor R18 and the IN terminal of the three-terminal integrated regulator IC1, and the OUT terminal of the three-terminal integrated regulator IC1 is connected to the anode of the polarity capacitor EC2 and the other end of the capacitor C4;

3. The control circuit of the steam mop of claim 2, wherein the gear button plate includes a terminal CN5, a terminal CN6, a resistor R15, a resistor R17, and a resistor R19;