CN112568755A - Handheld automatic liquid quantitative outflow device - Google Patents
Handheld automatic liquid quantitative outflow device Download PDFInfo
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- CN112568755A CN112568755A CN202011457941.XA CN202011457941A CN112568755A CN 112568755 A CN112568755 A CN 112568755A CN 202011457941 A CN202011457941 A CN 202011457941A CN 112568755 A CN112568755 A CN 112568755A
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- liquid
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- circuit board
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- 239000007788 liquid Substances 0.000 title claims abstract description 250
- 238000004891 communication Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims description 2
- 238000010411 cooking Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 8
- 239000008157 edible vegetable oil Substances 0.000 abstract description 7
- 235000011194 food seasoning agent Nutrition 0.000 abstract description 7
- 235000021056 liquid food Nutrition 0.000 abstract description 7
- 235000013555 soy sauce Nutrition 0.000 abstract description 7
- 235000021419 vinegar Nutrition 0.000 abstract description 7
- 239000000052 vinegar Substances 0.000 abstract description 7
- 239000004278 EU approved seasoning Substances 0.000 abstract description 6
- 230000006870 function Effects 0.000 description 8
- 238000013461 design Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000009532 heart rate measurement Methods 0.000 description 2
- 101100489717 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GND2 gene Proteins 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J47/00—Kitchen containers, stands or the like, not provided for in other groups of this subclass; Cutting-boards, e.g. for bread
- A47J47/01—Kitchen containers, stands or the like, not provided for in other groups of this subclass; Cutting-boards, e.g. for bread with dispensing devices
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Electromagnetic Pumps, Or The Like (AREA)
Abstract
The invention discloses a handheld automatic liquid quantitative outflow device, which comprises a liquid container, a micro liquid pump, a pulse type liquid flow sensor, an electromagnetic valve, an automatic flow control circuit board and a handheld liquid outflow structural member, wherein the liquid container is provided with a liquid inlet and a liquid outlet; the flow automatic control circuit board is provided with a micro liquid pump control interface circuit, a pulse signal input interface circuit, an electromagnetic valve control interface circuit, an operation key, a display screen or an indicator lamp, a wireless communication interface circuit and an MCU (micro control unit); the handheld liquid outflow structural part is provided with a handle, a mechanical trigger, a cavity and a liquid outflow port; the device is used in a kitchen, and liquid with a preset quantitative volume can automatically flow out from a liquid container containing liquid food materials or liquid seasonings such as edible oil, soy sauce, cooking wine or edible vinegar by touching the hand-held handle switch.
Description
Technical Field
The invention relates to a handheld automatic liquid quantitative outflow device, in particular to a handheld automatic liquid quantitative outflow device which is used in a kitchen and can automatically flow out a preset quantitative volume of liquid from a liquid container containing liquid food materials or liquid seasonings such as edible oil, soy sauce, cooking wine or edible vinegar by touching a handheld handle switch.
Background
With the continuous development and evolution of science and technology, people pay more and more attention to food and health, and more attention to the quantitative use of liquid food materials or liquid seasonings such as edible oil, soy sauce, cooking wine or edible vinegar according to regulations or health when cooking food dishes in a kitchen. At present, no device or product which is simple and convenient to operate, stable and reliable and can automatically flow out liquid with a preset quantitative volume from liquid containers of liquid food materials or seasoning materials such as edible oil, soy sauce, cooking wine or edible vinegar exists in the market. The application CN109549525A in the patent application 2019.04.02 discloses an automatic liquid quantitative outflow device, which solves the problem of quantitative outflow of liquid, but has significant inconvenience in use and operation, so it is a subject to be developed and solved to develop a device that can be used in a kitchen, is easy to use and operate, and can automatically flow out a predetermined quantitative volume of liquid from a liquid container containing liquid food materials such as edible oil, soy sauce, cooking wine, or edible vinegar or liquid seasonings by activating a hand-held handle switch.
Disclosure of Invention
To solve the problems described in the background art and the problems to be solved by the background art, the present invention provides a hand-held automatic quantitative liquid discharge device, which is used in a kitchen, is very simple and convenient to use and operate, and can automatically discharge a preset quantitative volume of liquid from a liquid container containing liquid food materials or liquid seasonings such as edible oil, soy sauce, cooking wine or edible vinegar by touching a hand-held handle switch.
The invention provides a handheld automatic liquid quantitative outflow device, which comprises a miniature liquid container, a liquid pump, a pulse type liquid flow sensor, an electromagnetic valve, an automatic flow control circuit board and a handheld liquid outflow structural member, wherein the miniature liquid container is provided with a liquid inlet and a liquid outlet; the micro liquid pump has the function of pumping liquid out of the liquid container, the liquid inlet of the micro liquid pump is connected with one end of the liquid input pipeline, the other end of the liquid input pipeline is inserted into the liquid container, and the liquid outlet of the micro liquid pump is connected with the liquid inlet of the pulse type liquid flow sensor through a pipeline; the liquid outlet of the pulse type liquid flow sensor is connected with the liquid inlet of the electromagnetic valve through a pipeline, and the pulse type liquid flow sensor is used for measuring the volume of the liquid flowing out; the liquid outlet of the electromagnetic valve is connected to the liquid outlet pipe; the flow automatic control circuit board is provided with a micro liquid pump starting and stopping control interface circuit, a pulse signal input interface circuit, an electromagnetic valve output control interface circuit, an operation key, a display screen or indicator lamp interface circuit, a wireless communication interface circuit and a core microprocessor MCU (microprogrammed control Unit); the micro liquid pump starting and stopping control interface circuit arranged on the flow automatic control circuit board is connected to a motor power supply port of the micro liquid pump so as to control the starting and stopping of the micro liquid pump; the electromagnetic valve output control interface circuit arranged on the flow automatic control circuit board is connected to a coil of the electromagnetic valve so as to control the opening and closing of the electromagnetic valve; the pulse signal input interface circuit arranged on the flow automatic control circuit board is connected to a pulse signal line of the pulse type liquid flow sensor so as to measure the volume of liquid flowing out; the flow automatic control circuit board is provided with an operation key used for presetting the volume of the flowing liquid and operating and controlling the liquid to flow out of the liquid container; the flow automatic control circuit board is provided with a display screen or an indicator lamp interface circuit which is connected with the display screen or the indicator lamp so as to display set parameters, operation data or indicate an operation state; the wireless communication interface circuit arranged on the flow automatic control circuit board is connected with a wireless communication module to realize communication or data exchange with external equipment in a wireless mode; the flow automatic control circuit board is provided with a core microprocessor MCU for downloading a program code for realizing the target function of the invention, and the functional module of the program code comprises: the system comprises a core microprocessor MCU chip initialization module, a micro liquid pump start and stop control module, an electromagnetic valve output control module, a liquid flow pulse measurement module, a key reading and processing module, a data display module and a wireless data communication module; the handheld liquid outflow structural part is provided with a handle, a mechanical trigger or a button, a cavity and a liquid outflow port; the handheld liquid outflow structural part is provided with a handle, and the handheld liquid outflow structural part is convenient to hold and operate; the handheld liquid outflow structural part is provided with a mechanical trigger or a button for triggering or pressing an operation key arranged on the automatic flow control circuit board to operate and control the liquid to flow out of the liquid container; the handheld liquid outflow structural part is provided with a cavity for mounting the pulse type liquid flow sensor, the electromagnetic valve and the automatic flow control circuit board; the handheld liquid outflow structure is provided with a liquid outflow port, and the handheld liquid outflow structure has the function of installing a liquid outflow pipe connected to the liquid outflow port of the electromagnetic valve.
As an alternative design of the handheld automatic quantitative liquid outflow device according to the present invention, the micro liquid pump is a submersible liquid pump (commonly referred to as a submersible pump), and the micro liquid pump is directly submerged in a liquid container, so that the liquid inlet of the micro liquid pump is not connected to a liquid inlet pipe.
As an alternative design of the handheld automatic quantitative liquid outlet device of the present invention, the liquid inlet of the solenoid valve is connected to the liquid outlet of the micro liquid pump through a pipe, the liquid outlet of the solenoid valve is connected to the liquid inlet of the pulse type liquid flow sensor through a pipe for measuring the volume of the liquid flowing out, and the liquid outlet of the pulse type liquid flow sensor is connected to the liquid outlet pipe.
As an optional design of the handheld automatic liquid quantitative outflow device, the pulse type liquid flow sensor is replaced by a liquid pipeline pressure sensor, and at the moment, a corresponding liquid pipeline pressure sensor interface circuit is additionally arranged on the flow automatic control circuit board, a program code of a core microprocessor MCU (microprogrammed control Unit) arranged on the flow automatic control circuit board is additionally provided with a liquid pipeline pressure sensor data reading module and a pipeline liquid flow calculating module; and the core microprocessor MCU calculates the volume of liquid flowing through the liquid management through the data of liquid pipeline pressure, liquid pipeline diameter, time and the like.
In the process of realizing the function of the handheld automatic liquid quantitative outflow device, the pressure required by the liquid outflow container is provided by fully utilizing or by means of natural physical principles such as liquid level head pressure, siphon pressure, pressure superposition of liquid pump pressure and the like.
With the above design and connection, the program code with corresponding functions is downloaded in the program memory of the MCU, so as to realize the function of the automatic liquid quantitative outflow device, i.e. a preset quantitative volume of liquid can be automatically flowed out from the liquid container filled with liquid food materials or liquid seasonings such as edible oil, soy sauce, cooking wine, or edible vinegar by touching the switch, thereby realizing the purpose of the automatic liquid quantitative outflow device.
Drawings
Fig. 1 is a block diagram illustrating an overall structure of a handheld automatic quantitative liquid discharge device according to an embodiment of the present invention.
Reference symbol names: 1 micro liquid pump, 2 pulsed liquid flow sensor, 3 solenoid valves, 4 flow automatic control circuit boards, 5 handheld liquid outflow structures, the handle that 51 handheld liquid outflow structures were equipped with, the mechanical type trigger that 52 handheld liquid outflow structures were equipped with, the cavity that 53 handheld liquid outflow structures were equipped with, the liquid flow export that 54 handheld liquid outflow structures were equipped with, 55 liquid outflow pipe, 6 liquid container, 44 operation buttons, 46 display screen or pilot lamp.
Fig. 2 is a block diagram of a flow rate automatic control circuit board included in a handheld automatic quantitative liquid outflow device according to an embodiment of the present invention.
Reference symbol names: the automatic flow control circuit board comprises a 4-flow automatic control circuit board, a 41 micro liquid pump starting and stopping control interface circuit, a 42 pulse signal input interface circuit, a 43 electromagnetic valve output control interface circuit, 44 operation keys, a 45 display screen or indicator lamp interface circuit, a 46 display screen or indicator lamp, a 47 wireless communication interface circuit and a 48-core microprocessor MCU.
Fig. 3 is a connection diagram of a micro liquid pump start and stop control interface circuit, a pulse signal input interface circuit, and a solenoid valve output control interface circuit in an automatic flow control circuit board according to an embodiment of the present invention.
Reference symbol names: 48 core microprocessor MCU, 41 micro liquid pump start and stop control interface circuit, 42 pulse signal input interface circuit, 43 electromagnetic valve output control interface circuit.
Fig. 4 is a connection diagram of an operation button, a display screen or an indicator light interface circuit and a wireless communication interface circuit in an automatic flow control circuit board of a handheld automatic quantitative liquid outflow device according to an embodiment of the present invention.
Reference symbol names: 48 a core microprocessor MCU, 44 operation keys, 45 display screens or indicator light interface circuits, 46 display screens or indicator lights, and 47 wireless communication interface circuits.
FIG. 5 is a flowchart of a program executed in a MCU included in a handheld automatic liquid quantitative discharge device according to an embodiment of the present invention.
Detailed Description
The following further describes a hand-held automatic liquid dosing device in accordance with an embodiment of the present invention. The following examples are only specific examples of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications of the present invention using the design concept shall fall within the scope of infringing upon the protection of the present invention. In order to better understand the technical solution of the present invention, a handheld automatic liquid quantitative discharge device is described in detail below with reference to the accompanying drawings.
Referring to fig. 1, a handheld automatic quantitative liquid discharge device according to an embodiment of the present invention includes: the device comprises a micro liquid pump 1, a pulse type liquid flow sensor 2, an electromagnetic valve 3, an automatic flow control circuit board 4 and a handheld liquid outflow structural part 5; the hand-held liquid outflow structure 5 is provided with a handle 51, the function of which is to facilitate handling and operation; the liquid inlet of the micro liquid pump 1 is connected with one end of an input liquid pipeline, the other end of the input liquid pipeline is inserted into the liquid container 6, and the liquid outlet of the micro liquid pump 1 is connected with the liquid inlet of the pulse type liquid flow sensor 2 through a pipeline; the liquid outlet of the pulse type liquid flow sensor 2 is connected with the liquid inlet of the electromagnetic valve 3 through a pipeline; the liquid outlet of the electromagnetic valve 3 is connected to a liquid outlet pipe 55; the handheld liquid outflow structure 5 is provided with a cavity 53, and the pulse type liquid flow sensor 2, the electromagnetic valve 3 and the automatic flow control circuit board 4 are installed in the cavity 53; the hand-held liquid outflow structure is provided with a liquid outflow port 54, and a liquid outflow tube 55 is mounted at the liquid outflow port 54; at the handle 51 of the hand-held liquid outflow structure 5, operating buttons 44 and a display screen 46 are mounted; the hand-held liquid discharge structure 5 is provided with a mechanical trigger 52 for activating or depressing the operating button 44 to operate the discharge of liquid from the liquid container.
Referring to fig. 1 and 2, a flow automatic control circuit board 4 of a handheld automatic liquid quantitative outflow device according to an embodiment of the present invention includes a micro liquid pump start and stop control interface circuit 41, a pulse signal input interface circuit 42, an electromagnetic valve output control interface circuit 43, an operation key 44, a display screen or indicator light interface circuit 45, a display screen or indicator light 46, a wireless communication interface circuit 47, and a core microprocessor MCU 48; the micro liquid pump starting and stopping control interface circuit 41 arranged on the flow automatic control circuit board 4 is connected with a power supply port of a micro liquid pump motor so as to control the starting and stopping of the micro liquid pump; the pulse signal input interface circuit 42 arranged on the flow automatic control circuit board 4 is connected with the pulse signal line of the pulse type liquid flow sensor to measure the volume of the liquid flowing out; the electromagnetic valve output control interface circuit 43 of the automatic flow control circuit board 4 is connected with a coil of a battery valve so as to control the on-off of the electromagnetic valve; the automatic flow control circuit board 4 is provided with an operation button 44 for presetting the volume of the liquid flowing out and operating to control the liquid to automatically flow out of the liquid container; the flow automatic control circuit board 4 is provided with a display screen or an indicator light interface circuit 45, and the display screen or the indicator light interface circuit 45 and a display screen or an indicator light 46 are used for displaying set parameters, operation data or indicating an operation state; the wireless communication interface circuit 47 arranged on the flow automatic control circuit board 4 realizes communication or data exchange with external equipment in a wireless mode; the core microprocessor MCU48 arranged on the flow automatic control circuit board is used for downloading program codes for realizing the target functions of the invention, and the core microprocessor MCU48 specifically selects an 8051 series 1T singlechip of China Macro Crystal (STC) company, can select STC15W4K56S4 model and is packaged into LQFP 48. The main performances of the STC15W4K56S4 type single chip microcomputer are as follows: the highest frequency is 30MHz, and the memory comprises a 56K Flash program memory ROM, a 4K internal data memory RAM and a 4K EEPROM; six 8-bit input/output I/O pins including P0, P1, P2, P3, P4, P5 and the like; the single chip microcomputer of the type can completely meet the performance requirements of the MCU 54 of the core microprocessor in the flow automatic control circuit board 4 included in the embodiment of the handheld automatic liquid quantitative outflow device.
Referring to fig. 1 and 3, a micro liquid pump start and stop control interface circuit 41 in an automatic flow control circuit board 4 of a handheld automatic liquid quantitative outflow device according to an embodiment of the present invention specifically includes a transistor TIP 122Q 1, a resistor R1, a B pole of the transistor TIP 122Q 1 is connected to one end of the resistor R1, the other end of the resistor R1 is connected to a P2.0 pin of an STC15W4K56S4 single chip microcomputer of a core microprocessor MCU48, and an E pole of the transistor TIP 122Q 1 is connected to a ground GND. One end of the motor power supply port of the micro liquid pump is connected with an external power supply + V, and the other end of the motor power supply port of the micro liquid pump is connected with the C pole of the transistor TIP 122Q 1.
Referring to fig. 1 and 3, a pulse signal input interface circuit 42 in an automatic flow control circuit board 4 of a handheld automatic liquid quantitative outflow device according to an embodiment of the present invention specifically includes a photoelectric isolation chip PC817, a pin 3 of the chip PC817 is connected to a ground GND, a pin 4 of the chip PC817 is connected to a pin P2.1 of an STC15W4K56S4 single chip microcomputer of a core microprocessor MCU48, a pin 4 of the chip PC817 is connected to one end of a current limiting resistor R2, the other end of the current limiting resistor R2 is connected to an external power supply + V, a pin 3 of the chip PC817 is connected to an internal ground GND, and a ground GND2 of the external power supply is connected to a pulse signal line of a pulse liquid flow sensor.
Referring to fig. 1 and 3, an output control interface circuit 43 of a solenoid valve in an automatic flow control circuit board 4 of a handheld automatic liquid quantitative outflow device according to an embodiment of the present invention specifically includes a transistor TIP 122Q 2 and a resistor R3, a B electrode of the transistor TIP 122Q 2 is connected to one end of the resistor R3, the other end of the resistor R3 is connected to a P2.2 pin of an STC15W4K56S4 single chip microcomputer of a core microprocessor MCU48, and an E electrode of the transistor TIP 122Q 2 is connected to a ground GND. One end of the relay coil is connected with an external power supply + V, and the other end of the relay coil is connected with the C pole of the transistor TIP 122Q 2.
Referring to fig. 1 and 4, an operation button 44 in an automatic flow control circuit board 4 included in a handheld automatic liquid quantitative outflow apparatus according to an embodiment of the present invention specifically includes a string Key1, a Key2, and a Key3, one end of the button Key1, the Key2, and the other end of the Key3 are all connected to a ground GND, and the other ends of the button keys 1, the Key2, and the Key3 are respectively connected to pins P0.0, P0.1, and P0.2 of an STC15W4K56S4 single chip microcomputer of a core microprocessor MCU 48.
Referring to fig. 1 and 4, a display screen or indicator light interface circuit 45 in an automatic flow control circuit board 4 of a handheld automatic liquid quantitative outflow device according to an embodiment of the present invention specifically selects a TTL and RS232 level conversion circuit, a display screen or indicator light 46 connected to the display screen or indicator light interface circuit 45 specifically selects a serial LCD display screen and an indicator light module, and RXD and TXD pins of the serial LCD display screen and the indicator light module are respectively connected to P4.7 and P4.6 pins of an STC15W4K56S4 single chip microcomputer of a core microprocessor MCU48 through the TTL and RS232 level conversion circuits.
Referring to fig. 1 and 4, a wireless communication interface circuit 47 in an automatic flow control circuit board 4 of a handheld automatic liquid quantitative outflow device according to an embodiment of the present invention specifically selects a connection circuit formed by R5 and R6 and a serial bluetooth communication module, and RXD and TXD pins of the serial bluetooth communication module are respectively connected to P3.1 and P3.0 pins of an STC15W4K56S4 single chip microcomputer of a core microprocessor MCU48 through connection circuits formed by R5 and R6.
The invention embodiment a hand-held automatic liquid quantitative outflow device comprises a STC15W4K56S4 single chip microcomputer (MCU for short) in a core microprocessor MCU48 in a flow automatic control circuit board 4, wherein a program code is written in the single chip microcomputer, and functional modules of the program code comprise: the micro-pump control system comprises a core microprocessor MCU chip initialization module, a micro-liquid pump start and stop control module, an electromagnetic valve output control module, a liquid flow pulse measurement module, a key reading and processing module, a data display module and a wireless data communication module, wherein a flow chart of program codes is shown in figure 5, and the specific working flow of the program codes is described as follows:
firstly, after the MCU is powered on, initializing an MCU chip;
then, scanning the keys, reading key values of the keys and processing the corresponding key values;
then do a determination of whether a key is pressed? If not, returning to the key scanning entrance; if yes, outputting and starting the micro liquid pump, and executing downwards;
then the output opens the electromagnetic valve to discharge liquid, and the downward execution is carried out;
then starting pulse counting to measure the liquid outlet volume, and executing downwards;
refreshing the data of the display screen and executing downwards;
then, determine if the volume of the discharged liquid reaches the preset value? If not, returning to the display screen data inlet refreshing; if yes, outputting and closing the micro liquid pump and closing the electromagnetic valve to discharge liquid, and executing downwards;
then, the wireless data communication is started and executed downwards
Then return to the key scan entry and repeat the loop. .
While the present invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (9)
1. A hand-held automatic quantitative liquid outflow device comprises a liquid container, a micro liquid pump, a pulse type liquid flow sensor, an electromagnetic valve and an automatic flow control circuit board, wherein a liquid inflow port of the micro liquid pump is connected with one end of an input liquid pipeline, the other end of the input liquid pipeline is inserted into the liquid container, a liquid outflow port of the micro liquid pump is connected with a liquid inflow port of the pulse type liquid flow sensor through a pipeline, a liquid outflow port of the pulse type liquid flow sensor is connected with the liquid inflow port of the electromagnetic valve through a pipeline, a liquid outflow port of the electromagnetic valve is connected onto a liquid outflow pipe, and the automatic flow control circuit board is provided with a micro liquid pump starting and stopping control interface circuit, a pulse signal input interface circuit, an electromagnetic valve output control interface circuit, an operation key, a pulse signal output control interface circuit, And a core microprocessor MCU; the method is characterized in that: be equipped with hand-held type liquid outflow structure, hand-held type liquid outflow structure is equipped with handle, mechanical type trigger or button, cavity and liquid flow outlet, in the cavity that hand-held type liquid outflow structure was equipped with, installed pulsed liquid flow sensor the solenoid valve with flow automatic control circuit board, the liquid flow outlet that hand-held type liquid outflow structure was equipped with has installed the connection and has been in the liquid outflow pipe of the liquid flow outlet of solenoid valve.
2. A hand-held automatic liquid dosing device as claimed in claim 1, wherein: the flow automatic control circuit board is provided with a display screen or an indicator lamp interface circuit.
3. The automatic liquid-metering pouring device as claimed in claim 1, wherein: the flow automatic control circuit board is provided with a wireless communication interface circuit.
4. A hand-held automatic liquid dosing dispenser as claimed in claim 2, wherein: the flow automatic control circuit board is provided with a wireless communication interface circuit.
5. A hand-held automatic liquid dosing device as claimed in claim 3, wherein: the flow automatic control circuit board is provided with a display screen or an indicator lamp interface circuit.
6. A hand-held automatic liquid dosing device as claimed in claim 1, wherein: the pulse type liquid flow sensor is designed as a liquid pipeline pressure sensor.
7. A hand-held automatic liquid dosing device as claimed in claim 1, wherein: the micro-liquid pump is a submersible liquid pump, which is submerged directly in the liquid container.
8. A hand-held automatic liquid dosing device as claimed in claim 1, wherein: the liquid inlet of the electromagnetic valve is connected with the liquid outlet of the micro liquid pump through a pipeline, the liquid outlet of the electromagnetic valve is connected with the liquid inlet of the pulse type liquid flow sensor through a pipeline, and the liquid outlet of the pulse type liquid flow sensor is connected to the liquid outlet pipe.
9. A hand-held automatic liquid dosing device as claimed in claim 1, wherein: the core microprocessor MCU in the flow automatic control circuit board selects an 8051 series 1T singlechip of China Macro Crystal (STC) company.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011457941.XA CN112568755A (en) | 2020-12-13 | 2020-12-13 | Handheld automatic liquid quantitative outflow device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011457941.XA CN112568755A (en) | 2020-12-13 | 2020-12-13 | Handheld automatic liquid quantitative outflow device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112568755A true CN112568755A (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011457941.XA Pending CN112568755A (en) | 2020-12-13 | 2020-12-13 | Handheld automatic liquid quantitative outflow device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112568755A (en) |
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2020
- 2020-12-13 CN CN202011457941.XA patent/CN112568755A/en active Pending
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Application publication date: 20210330 |