Meisson tank sealing device control circuit

Abstract

The utility model discloses a Meisson tank sealing device control circuit, which comprises an MCU control circuit, and a type-c charging input circuit, a battery charging and discharging circuit, a VBUS power-on detection circuit, a horizontal angle switch circuit, a gear indicating lamp circuit, a negative pressure pump driving circuit, a first electromagnetic valve driving circuit and a second electromagnetic valve driving circuit which are connected with the MCU control circuit, wherein the MCU control circuit is used for controlling the on-off of a first electromagnetic valve of the Meisson tank sealing device through the first electromagnetic valve driving circuit, and controlling the on-off of a second electromagnetic valve of the Meisson tank sealing device through the second electromagnetic valve driving circuit; and the negative pressure pump driving circuit is used for controlling the negative pressure pump of the Meisson tank sealing device to exhaust air. According to the utility model, the gravity sensor senses the placing direction of the Meisson tank sealing device to automatically control the sealing of the Meisson tanks with different calibers, so that the automation degree and the sealing effect are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to Mason jar sealing device technical field, especially Mason jar sealing device control circuit. BACKGROUND

[0002] Mason jar is a kind of glass jar with threaded iron cover, and the sealing property is very good, can be used to store dry food, or be used to cure food.

[0003] Mason jar generally has two standard calibers, wide mouth caliber and standard caliber, and the earliest two Mason jar sealing devices are needed to correspond to two sizes of Mason jar respectively.

[0004] The patent document with the application number 202211085654.X and the name of a kind of multifunctional Mason jar sealing equipment and the patent document with the application number 202122285201.9 and the name of a kind of Mason bottle vacuum adapter solve the problem that two specifications of Mason jar sealing device are needed to seal two specifications of Mason jar respectively.

[0005] Wide mouth caliber Mason jar, whether wide mouth or neck-in Mason jar, has sealing.For standard caliber (small caliber) Mason jar, wide mouth Mason jar can also be sealed successfully by the Mason jar sealing equipment disclosed in the above patent document, but for neck-in Mason jar, the Mason jar sealing equipment is inconvenient to vacuum and seal.

[0006] Therefore, there is a scheme to vacuum with two mouths (the upper mouth corresponds to one caliber of Mason jar, and the lower mouth corresponds to one caliber of Mason jar), for example, the patent document with the application number 202122285201.9 and the name of a kind of Mason bottle vacuum adapter, but this scheme needs to connect a vacuum generator for vacuuming, and is not automatically controlled, and the degree of automation is not high, and is not convenient to use. UTILITY MODEL CONTENTS

[0007] The main purpose of the utility model is to propose a kind of Mason jar sealing device control circuit, which aims to automatically control the sealing of Mason jar of different calibers by sensing the placement direction of Mason jar sealing device, and improve the degree of automation and sealing effect.

[0008] In order to achieve the above object, the utility model provides a mason jar sealing device control circuit, including MCU control circuit, and with the MCU control circuit connection's type -c charging input circuit, battery charge discharge circuit, VBUS power -on detection circuit, horizontal angle switch circuit, gear indicator lamp circuit, negative pressure pump drive circuit, first solenoid valve drive circuit, second solen valve drive circuit, wherein, the MCU control circuit controls the first solenoid valve of mason jar sealing device's opening and break through the first solenoid valve drive circuit, controls the second solenoid valve of mason jar sealing device's opening and break through the second solenoid valve drive circuit, and then controls the negative pressure pump of mason jar sealing device's air extraction through the negative pressure pump drive circuit.

[0009] The further technical scheme of the utility model is that the MCU control circuit includes a chip U2, the first solenoid valve drive circuit includes a resistor R7, a resistor R8, a capacitor C5, a diode D2 and a MOS tube Q2, one end of the resistor R7 is connected with pin 6 of the chip U2, the other end is connected with one end of the resistor R8 and pin 1 of the MOS tube Q2, the other end of the resistor R8 is connected with pin 3 of the MOS tube Q2 and ground, the anode of the diode D2 is connected with one end of the capacitor C5 and pin 3 of the MOS tube Q2, and the cathode of the diode D2 is connected with pin 1 of the chip U2 and the other end of the capacitor C5.

[0010] The further technical scheme of the utility model is that the second solenoid valve drive circuit includes a resistor R9, a resistor R10, a capacitor C6, a diode D3 and a MOS tube Q3, one end of the resistor R9 is connected with pin 5 of the chip U2, the other end is connected with one end of the resistor R10 and pin 1 of the MOS tube Q3, the other end of the resistor R10 is connected with pin 3 of the MOS tube Q3 and ground, the anode of the diode D3 is connected with one end of the capacitor C6 and pin 3 of the MOS tube Q3, and the cathode of the diode D3 is connected with pin 1 of the chip U2 and the other end of the capacitor C6.

[0011] The further technical scheme of the utility model is that the negative pressure pump drive circuit includes a resistor R5, a resistor R6, a capacitor C4, a diode D1 and a MOS tube Q1, one end of the resistor R5 is connected with pin 7 of the chip U2, the other end is connected with one end of the resistor R6 and pin 1 of the MOS tube Q1, the other end of the resistor R6 is connected with pin 2 of the MOS tube Q1 and ground, the anode of the diode D1 is connected with pin 3 of the MOS tube Q1 and one end of the capacitor C4, and the cathode of the diode D1 is connected with pin 1 of the chip U2 and the other end of the capacitor C4.

[0012] The further technical scheme of the utility model discloses, the battery charge-discharge circuit includes chip U1, the type -c charging input circuit includes type -c female seat, resistance R17 and resistance R18, the pin 5 of type -c female seat is connected the pin 8 of chip U1, the pin 2 of type -c female seat is connected the pin 4 of chip U1, the pin 4 of type -c female seat is connected one end of resistance R17, the pin 3 of type -c female seat is connected one end of resistance R18, the other end of resistance R17 and the other end of resistance R18 are common ground.

[0013] The further technical scheme of the utility model discloses, the battery charge-discharge circuit still includes resistance R3, resistance R4, the VBUS power detection circuit includes resistance R19 and resistance R20, the pin 7 of chip U1 is connected one end of resistance R3, the pin 6 of chip U1 is connected one end of resistance R4, the other end of resistance R3, the other end of resistance R4 is connected one end of resistance R19, the other end of resistance R19 is connected one end of resistance R20, the pin 8 of chip U2, the other end of resistance R20 is grounded.

[0014] The further technical scheme of the utility model discloses, the gear indicator lamp circuit includes diode LD1, diode LD2, diode LD3, diode LD4, diode LD5, diode LD6, resistance R11, resistance R12, resistance R13, resistance R14, resistance R15 and resistance R16, one end of diode LD1, diode LD2, diode LD3, diode LD4, diode LD5, diode LD6 is connected with the pin 1 of chip U2 after parallel connection, the resistance R11 is connected between the other end of diode LD1 and the pin 10 of chip U2, the resistance R12 is connected between the other end of diode LD2 and the pin 11 of chip U2, the resistance R13 is connected between the other end of diode LD3 and the pin 12 of chip U2, the resistance R14 is connected between the other end of diode LD4 and the pin 13 of chip U2, the resistance R15 is connected between the other end of diode LD5 and the pin 14 of chip U2, the resistance R16 is connected between the other end of diode LD6 and the pin 15 of chip U2.

[0015] The further technical scheme of the utility model discloses, one end of horizontal angle switch circuit is grounded, and the other end is connected the pin 3 of chip U2.

[0016] The utility model discloses a through above-mentioned technical scheme, including MCU control circuit, and with the MCU control circuit connection's type -c charging input circuit, battery charging circuit, VBUS power -on detection circuit, horizontal angle switch circuit, gear indicator lamp circuit, negative pressure pump drive circuit, first solenoid valve drive circuit, second solenoid valve drive circuit, wherein, the MCU control circuit controls the first solenoid valve of the Mason jar sealing device's opening and breaking through the first solenoid valve drive circuit, controls the second solenoid valve of the Mason jar sealing device's opening and breaking through the second solenoid valve drive circuit, and further controls the negative pressure pump of the Mason jar sealing device's air extraction through the negative pressure pump drive circuit, improves the degree of automation and sealing effect. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying creative labor, still can obtain other drawings according to the structure shown in these drawings.

[0018] Figure 1 It is the three-dimensional schematic view of the Mason jar sealing device involved in the Mason jar sealing device control circuit of the utility model.

[0019] Figure 2 It is the explosion schematic view of the Mason jar sealing device involved in the Mason jar sealing device control circuit of the utility model.

[0020] Figure 3 It is the three-dimensional schematic view of the Mason jar sealing device involved in the Mason jar sealing device control circuit of the utility model from another angle.

[0021] Figure 4 It is the connection schematic view of the negative pressure pump, the first solenoid valve, the second solenoid valve, the first sleeve holding mouth and the second sleeve holding mouth of the Mason jar sealing device involved in the Mason jar sealing device control circuit of the utility model;

[0022] Figure 5 It is the circuit structure schematic view of the MCU control circuit in the preferred embodiment of the Mason jar sealing device control circuit of the utility model;

[0023] Figure 6 It is the circuit structure schematic view of the first solenoid valve drive circuit;

[0024] Figure 7 It is the circuit structure schematic view of the second solenoid valve drive circuit;

[0025] Figure 8 It is the circuit structure schematic view of the negative pressure pump drive circuit;

[0026] Figure 9 is a circuit structure schematic diagram of a battery charging and discharging circuit;

[0027] Figure 10 is a circuit structure schematic diagram of a type-c charging input circuit;

[0028] Figure 11 is a circuit structure schematic diagram of a VBUS power-on detection circuit;

[0029] Figure 12 is a circuit structure schematic diagram of a gear indicator lamp circuit;

[0030] Figure 13 is a circuit structure schematic diagram of a horizontal angle switch circuit.

[0031] The implementation, functional features and advantages of the utility model will be further described with reference to the drawings in combination with embodiments. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0033] The utility model provides a mason jar sealing device control circuit, below first to the utility model relates to the structure and working principle of mason jar sealing device are introduced.

[0034] Please refer to Figures 1 to 4 In the utility model, the mason jar sealing device comprises a main body, sleeve 20 is arranged at the upper end and the lower end of the main body, the two sleeves 20 and the main body enclose first sleeve mouth and second sleeve mouth, a containing cavity is formed between the two sleeves 20, the containing cavity is provided with control mainboard 50, battery 40, negative pressure pump 30, first electromagnetic valve 60, second electromagnetic valve 70 and gravity sensor (not shown in the figure) electrically connected with control mainboard 50.

[0035] The first electromagnetic valve is provided with a suction port 61, a first suction port 62 and a second suction port 63, the second electromagnetic valve 70 is provided with an air inlet port 71, a first exhaust port 72 and a second exhaust port 73, the air inlet port of the negative pressure pump 30 is communicated with the suction port 61 of the first electromagnetic valve 60, the first suction port 62 of the first electromagnetic valve 60 is communicated with the first suction hole 121 of the first sleeve bottom 12, the second suction port 63 of the first electromagnetic valve 60 is communicated with the second suction hole 211 of the second sleeve bottom 21, the exhaust port of the negative pressure pump 30 directly exhausts the gas sucked by the air inlet port of the negative pressure pump 30 into the cavity, the first exhaust port 72 of the second electromagnetic valve 70 is communicated with the first exhaust hole 122 of the first sleeve bottom 12, the second exhaust port 73 of the second electromagnetic valve 70 is communicated with the second exhaust hole 212 of the second sleeve bottom 21, and the air inlet port of the second electromagnetic valve 70 is communicated with the cavity.

[0036] When the first holding mouth holds the Mason jar of the corresponding caliber, the operation key 51 on the control mainboard 50 is operated to start the work of the negative pressure pump 30. The suction port of the negative pressure pump 30 draws air from the first holding mouth through the suction port 61 of the first electromagnetic valve 60, the first suction port 62 of the first electromagnetic valve 60, the first suction hole 121 of the bottom 12 of the first holding mouth, and then discharges the air to the cavity through the exhaust port of the negative pressure pump 30. The gas in the cavity is discharged through the air inlet 71 of the second electromagnetic valve 70, the first exhaust port 72 of the second electromagnetic valve 70, and the second exhaust hole 212 of the bottom 21 of the second holding part. Part of the gas in the cavity is discharged through the shell 10. Since the Mason jar held by the first holding mouth is under negative pressure, the Mason jar cover is buckled to the Mason jar under the gravity of the Mason jar cover. Since the Mason jar is under negative pressure, the Mason jar cover is tightly adsorbed to the Mason jar. The negative pressure pump 30 is closed, and the cavity is connected to the first holding mouth through the second electromagnetic valve 70. Since the first holding mouth is under negative pressure, the air in the cavity enters the first holding mouth through the air inlet 71 of the second electromagnetic valve 70, the first exhaust port 72 of the second electromagnetic valve 70, and the first exhaust hole 122 of the bottom of the first holding mouth. At this time, the air pressure between the first holding mouth and the Mason jar cover increases, and the sealed Mason jar is easily taken out. Similarly, the Mason jar cover of the corresponding caliber is placed in the second holding mouth first. When the second holding mouth holds the Mason jar of the corresponding caliber, the operation key on the control mainboard 50 is operated to start the work of the negative pressure pump 30. The suction port of the negative pressure pump 30 draws air from the second holding mouth through the suction port 61 of the first electromagnetic valve 60, the second suction port 63 of the first electromagnetic valve 60, and the second suction hole 211 of the bottom 21 of the second holding mouth, and then discharges the air to the cavity through the exhaust port of the negative pressure pump 30. The gas in the cavity is discharged through the air inlet 71 of the second electromagnetic valve 70, the first exhaust port 72 of the second electromagnetic valve 70, and the first exhaust hole 122 of the bottom 12 of the first holding part. Part of the gas in the cavity is discharged through the shell 10. Since the Mason jar held by the first holding mouth is under negative pressure, the Mason jar cover is buckled to the Mason jar under the gravity of the Mason jar cover. Since the Mason jar is under negative pressure, the Mason jar cover is tightly adsorbed to the Mason jar. The negative pressure pump 30 is closed, and the cavity is connected to the second holding mouth through the second electromagnetic valve 70. Since the second holding mouth is under negative pressure, the air in the cavity enters the second holding mouth through the air inlet 71 of the second electromagnetic valve 70, the second exhaust port 73 of the second electromagnetic valve 70, and the second exhaust hole 212 of the bottom 21 of the second holding part. At this time, the air pressure between the second holding mouth and the Mason jar cover increases, and the sealed Mason jar is easily taken out. Since the first holding mouth and the second holding mouth are respectively arranged at both ends of the main body, the depths of the first holding mouth and the second holding mouth are relatively shallow, and are suitable for the Mason jars with wide mouth and narrow mouth. The air is drawn by the control mainboard 50 controlling the negative pressure pump 30, and the operation is convenient.

[0037] It is worth mentioning that in the embodiment, the gravity sensor is electrically connected with the control mainboard, the placement direction of the main body, i.e. whether the first holding opening is at the bottom or the second holding opening is at the bottom, is sensed by the gravity sensor, the first electromagnetic valve 60 and the second electromagnetic valve 70 are controlled to be opened or closed by the control mainboard, and the first holding opening or the second holding opening is pumped by the negative pressure pump 30 respectively, so that automatic control is realized.

[0038] Please refer to Figure 5 and Figure 13 In the preferred embodiment of the control circuit of the mason jar sealing device, the MCU control circuit is integrally arranged on the control mainboard, and the type-c charging input circuit, the battery charging and discharging circuit, the VBUS power-on detection circuit, the horizontal angle switch circuit, the gear indicator lamp circuit, the negative pressure pump driving circuit, the first electromagnetic valve driving circuit and the second electromagnetic valve driving circuit connected with the MCU control circuit.

[0039] The MCU control circuit controls the opening and closing of the first electromagnetic valve of the mason jar sealing device through the first electromagnetic valve driving circuit, controls the opening and closing of the second electromagnetic valve of the mason jar sealing device through the second electromagnetic valve driving circuit, and further controls the air pumping of the negative pressure pump of the mason jar sealing device through the negative pressure pump driving circuit.

[0040] Please refer to Figure 5 and Figure 6 The MCU control circuit includes a chip U2, the first electromagnetic valve driving circuit includes a resistor R7, a resistor R8, a capacitor C5, a diode D2 and a MOS tube Q2, one end of the resistor R7 is connected with the pin 6 of the chip U2, the other end is connected with one end of the resistor R8 and the pin 1 of the MOS tube Q2, the other end of the resistor R8 is connected with the pin 3 of the MOS tube Q2, and the ground is connected, the anode of the diode D2 is connected with one end of the capacitor C5 and the pin 3 of the MOS tube Q2, the cathode of the diode D2 is connected with the pin 1 of the chip U2 and the other end of the capacitor C5.

[0041] In the embodiment, the MCU control circuit is a 8-bit microcontroller running a programmed program to receive signals of the whole machine, and sends running signals to the driving circuit to control the execution of each component.

[0042] The first electromagnetic valve is driven by the first electromagnetic valve driving circuit, and the first electromagnetic valve driving circuit provides a high-level signal to the MOS tube Q2 through the MCU-EM1-EN pin to make the MOS tube Q2 conductive to achieve the electromagnetic valve power-on work.

[0043] Further, please refer to Figure 7The second electromagnetic valve driving circuit includes resistor R9, resistor R10, capacitor C6, diode D3 and MOS tube Q3. One end of resistor R9 is connected to pin 5 of chip U2, the other end is connected to one end of resistor R10 and pin 1 of MOS tube Q3. The other end of resistor R10 is connected to pin 3 of MOS tube Q3, and the ground. The anode of diode D3 is connected to one end of capacitor C6 and pin 3 of MOS tube Q3. The cathode of diode D3 is connected to pin 1 of chip U2 and the other end of capacitor C6. The second electromagnetic valve driving circuit is driven by a high-level signal provided by MCU-EM2-EN pin to turn on MOS tube Q3 to achieve electromagnetic valve power-on work.

[0044] Further, please refer to Figure 8 In this embodiment, the negative pressure pump driving circuit includes resistor R5, resistor R6, capacitor C4, diode D1 and MOS tube Q1. One end of resistor R5 is connected to pin 7 of chip U2, the other end is connected to one end of resistor R6 and pin 1 of MOS tube Q1. The other end of resistor R6 is connected to pin 2 of MOS tube Q1, and the ground. The anode of diode D1 is connected to pin 3 of MOS tube Q1 and one end of capacitor C4. The cathode of diode D1 is connected to pin 1 of chip U2 and the other end of capacitor C4. The negative pressure pump driving circuit is driven by a high-level signal provided by MCU-MOT-EN pin to turn on MOS tube Q1 to achieve air pump power-on work.

[0045] Further, please refer to Figure 9 The battery charging and discharging circuit includes chip U1, please refer to Figure 10 The type-c charging input circuit includes type-c female socket, resistor R17 and resistor R18. Pin 5 of type-c female socket is connected to pin 8 of chip U1. Pin 2 of type-c female socket is connected to pin 4 of chip U1. One end of resistor R17 is connected to pin 4 of type-c female socket. One end of resistor R18 is connected to pin 3 of type-c female socket. The other end of resistor R17 and the other end of resistor R18 are commonly connected to the ground.

[0046] In this embodiment, the type-c charging input circuit is composed of a type-c female socket and two 5.1K pull-down resistors R17 and R18. Resistors R17 and R18 are mainly used for detecting the power supply capability of the input power supply.

[0047] Further, please refer to Figure 9 In this embodiment, the battery charging and discharging circuit further includes resistor R3 and resistor R4, please refer to Figure 11The VBUS power-on detection circuit comprises resistors R19 and R20, one end of resistor R3 is connected to pin 7 of chip U1, one end of resistor R4 is connected to pin 6 of chip U1, the other end of resistor R3 and the other end of resistor R4 are commonly connected to one end of resistor R19, the other end of resistor R19 is connected to one end of resistor R20 and pin 8 of chip U2, and the other end of resistor R20 is grounded.

[0048] In the embodiment, the battery charging and discharging circuit is provided by a 4056 battery management chip to provide battery charging management, and the circuit part provides battery charging current control, charging or full charging control and indication.

[0049] The VBUS power-on detection circuit is provided by two voltage dividing resistors R19 and R20, 5V input from a power supply is divided to 3.3V and provided to the MCU-VBUS-DET pin for the MCU to detect whether there is power input.

[0050] Further, referring to Figure 12 In the embodiment, the gear indicator lamp circuit comprises diodes LD1, LD2, LD3, LD4, LD5, LD6, resistors R11, R12, R13, R14, R15 and R16, one end of diodes LD1, LD2, LD3, LD4, LD5 and LD6 is connected to pin 1 of chip U2 in parallel, resistor R11 is connected between the other end of diode LD1 and pin 10 of chip U2 in series, resistor R12 is connected between the other end of diode LD2 and pin 11 of chip U2 in series, resistor R13 is connected between the other end of diode LD3 and pin 12 of chip U2 in series, resistor R14 is connected between the other end of diode LD4 and pin 13 of chip U2 in series, resistor R15 is connected between the other end of diode LD5 and pin 14 of chip U2 in series, and resistor R16 is connected between the other end of diode LD6 and pin 15 of chip U2 in series.

[0051] In the embodiment, the gear indicator lamp circuit is composed of six LEDs and six current limiting resistors, and low-level signals in different states are provided through MCU-LED1-LED6 pins to light the LEDs to indicate the current running state.

[0052] Please refer to Figure 13 In the embodiment, one end of the horizontal angle switch circuit is grounded, and the other end is connected to pin 3 of chip U2.

[0053] The following Figures 1 to 13 The total running logic of the Mason tank sealing device control circuit is described.

[0054] Long press K1 button MCU-K1 pin receives a signal and wakes up from the power-off hibernation state, and sends a low level to the indicator light LED6 and lights up the indicator light LED6, indicating that the current startup working time is 30s and starts to detect the current state of JK1 horizontal angle switch in "on or off", if the switch is in "off state, MCU control circuit sends a low level to the indicator light LED2 and lights up the LED2 indicator light, indicating that the current machine is in the downward direction. Press K1 button again, MCU control circuit outputs a high level to MOS tube Q1, air pump MOS tube Q1 receives the signal and turns on, and the air pump starts to work. After the work is finished, the MCU control circuit closes the MOS tube Q1 output, and outputs a high level to the MOS tube Q3, and the MOS tube Q3 of the second electromagnetic valve driving circuit receives the signal and turns on, and the second electromagnetic valve starts to work for 3s.

[0055] If the detection JK1 switch is in "on" state, the working time is 30s under the same condition, the indicator light LED6 is lit, the MCU control circuit sends a low level to the indicator light LED1 and lights up the indicator light LED1, indicating that the current machine is in the upward direction. Press K1 button again, MCU control circuit outputs a high level to MOS tube Q2, electromagnetic valve MOS tube Q2 receives the signal and turns on, and the first electromagnetic valve starts to work. At the same time, a high level is output to MOS tube Q1, and air pump MOS tube Q1 receives the signal and turns on, and the air pump starts to work. After the work is finished, the MCU control circuit closes the MOS tube Q1, MOS tube Q2 output, and outputs a high level to the MOS tube Q3, and the MOS tube Q3 of the second electromagnetic valve driving circuit receives the signal and turns on, and the second electromagnetic valve starts to work for 3s.

[0056] In summary, the utility model discloses a technical scheme, including MCU control circuit, and with MCU control circuit connection's type-c charging input circuit, battery charging circuit, VBUS power-on detection circuit, horizontal angle switch circuit, gear indicator light circuit, negative pressure pump driving circuit, first electromagnetic valve driving circuit, second electromagnetic valve driving circuit, wherein, the MCU control circuit controls the first electromagnetic valve of the Mason jar sealing device through the first electromagnetic valve driving circuit, controls the second electromagnetic valve of the Mason jar sealing device through the second electromagnetic valve driving circuit, and then controls the negative pressure pump of the Mason jar sealing device through the negative pressure pump driving circuit, and the sealing of the Mason jar of different caliber is automatically controlled through the gravity sensor response Mason jar sealing device The placement direction improves the degree of automation and sealing effect.

[0057] The above merely describes preferred embodiments of the present application, and is not intended to limit the patent scope of the present application, and any equivalent structural transformation, direct / indirect application in other related technical fields, or the like, made under the concept of the present application, using the content of the present application specification and drawings, are included in the patent protection scope of the present application.

Claims

1. A control circuit for a Mason jar sealing device, characterized in that, The Mason jar sealing device includes a main body, with sleeves respectively provided at the upper and lower ends of the main body. The two sleeves and the main body form a first and a second retaining opening, and a cavity is formed between the two sleeves. A control main board is installed in the cavity, which is connected to the control... The motherboard is electrically connected to a battery, a negative pressure pump, a first solenoid valve, a second solenoid valve, and a gravity sensor. The control circuit for the Mason jar sealing device includes an MCU control circuit, and connected to the MCU control circuit are a Type-C charging input circuit, a battery charging and discharging circuit, a VBUS power-on detection circuit, a horizontal angle switch circuit, a gear indicator circuit, a negative pressure pump drive circuit, a first solenoid valve drive circuit, and a second solenoid valve drive circuit. The MCU control circuit controls the Mason jar through the first solenoid valve drive circuit. The opening and closing of the first solenoid valve of the tank sealing device controls the opening and closing of the second solenoid valve of the Mason tank sealing device through the second solenoid valve drive circuit, and then controls the negative pressure pump of the Mason tank sealing device to pump air through the negative pressure pump drive circuit.

2. The control circuit for the Mason jar sealing device according to claim 1, characterized in that, The MCU control circuit includes chip U2, and the first solenoid valve drive circuit includes resistor R7, resistor R8, and capacitor C5. Diode D2 and MOSFET Q2 are connected together. One end of resistor R7 is connected to pin 6 of chip U2, and the other end is connected to one end of resistor R8 and pin 1 of MOSFET Q2. The other end of resistor R8 is connected to pin 3 of MOSFET Q2 and grounded. The anode of diode D2 is connected to one end of capacitor C5 and pin 3 of MOSFET Q2, and the cathode of diode D2 is connected to pin 1 of chip U2 and the other end of capacitor C5.

3. The control circuit for the Mason jar sealing device according to claim 2, characterized in that, The second solenoid valve drive circuit includes resistors R9 and R10, capacitor C6, diode D3, and MOSFET Q3. One end of resistor R9 is connected to pin 5 of chip U2, and the other end is connected to one end of resistor R10 and pin 1 of MOSFET Q3. The other end of resistor R10 is connected to pin 3 of MOSFET Q3 and grounded. The anode of diode D3 is connected to one end of capacitor C6 and pin 3 of MOSFET Q3. The cathode of tube D3 is connected to pin 1 of chip U2 and the other end of capacitor C6.

4. The control circuit for the Mason jar sealing device according to claim 3, characterized in that, The negative pressure pump drive circuit includes resistor R5, resistor R6, capacitor C4, diode D1, and MOSFET Q1. One end of resistor R5 is connected to pin 7 of chip U2, and the other end is connected to one end of resistor R6 and pin 1 of MOSFET Q1. The other end of resistor R6 is connected to pin 2 of MOSFET Q1 and grounded. The anode of diode D1 is connected to pin 3 of MOSFET Q1 and one end of capacitor C4. The diode D1... The cathode is pin 1 of the chip U2 and the other end of the capacitor C4.

5. The control circuit for the Mason jar sealing device according to claim 4, characterized in that, The battery charging and discharging circuit includes a chip U1, and the Type-C charging input circuit includes a Type-C female connector, resistor R17, and resistor R18. Pin 5 of the Type-C female connector is connected to pin 8 of the chip U1. Pin 2 of the connector is connected to pin 4 of the chip U1. Pin 4 of the type-c female connector is connected to one end of the resistor R17. Pin 3 of the type-c female connector is connected to one end of the resistor R18. The other end of the resistor R17 and the other end of the resistor R18 are grounded together.

6. The control circuit for the Mason jar sealing device according to claim 5, characterized in that, The battery charging and discharging circuit also includes resistors R3 and R4, and the VBUS power-on detection circuit includes resistor R19 and... Resistor R20, pin 7 of chip U1 is connected to one end of resistor R3, pin 6 of chip U1 is connected to one end of resistor R4, the other ends of resistor R3 and R4 are connected to one end of resistor R19, the other end of resistor R19 is connected to one end of resistor R20 and pin 8 of chip U2, and the other end of resistor R20 is grounded.

7. The control circuit for the Mason jar sealing device according to claim 6, characterized in that, The gear indicator circuit includes diodes LD1, LD2, LD3, LD4, LD5, and LD6, and resistors R11, R12, R13, R14, R15, and R16. One end of each of diodes LD1, LD2, LD3, LD4, LD5, and LD6 is connected in parallel to pin 1 of chip U2. Resistor R11 is connected in series with the other end of diode LD1 and pin 10 of chip U2. In this configuration, resistor R12 is connected in series between the other end of diode LD2 and pin 11 of chip U2; resistor R13 is connected in series between the other end of diode LD3 and pin 12 of chip U2; resistor R14 is connected in series between the other end of diode LD4 and pin 13 of chip U2; resistor R15 is connected in series between the other end of diode LD5 and pin 14 of chip U2; and resistor R16 is connected in series between the other end of diode LD6 and pin 15 of chip U2.

8. The control circuit for the Mason jar sealing device according to claim 7, characterized in that, One end of the horizontal angle switch circuit is grounded, and the other end is connected to pin 3 of the chip U2.

Images