CN115245274A - Automatic porridge cooking machine and using method - Google Patents

Abstract

The invention discloses an automatic porridge cooking machine and a use method thereof, wherein the automatic porridge cooking machine comprises a cabinet and a porridge box positioned above the cabinet; the porridge tank comprises a tank body and a central exhaust pipe, wherein the tank body comprises an upper tank body and a funnel lower tank body which are integrally connected, an opening is formed in the center of the bottom of the funnel lower tank body, a connecting pipe is installed on the opening, and the bottom end of the central exhaust pipe is connected with the top end of the connecting pipe; the rack includes the cabinet body and is located internal inlet tube, steam water tank, pre-heater, control electronic box and the trunk line of cabinet, wherein the end of intaking of inlet tube stretches out to the cabinet is external, trunk line one end with the bottom intercommunication of connecting pipe, the other end stretch out to outside the rack to install out the congee valve. The invention has simple operation, convenient use, energy saving, time saving and labor saving, and is suitable for hotels, commercial restaurants, chain catering, breakfast shops and enterprise and public dining halls.

Description

Automatic porridge cooking machine and using method

Technical Field

The invention relates to the technical field of cooking equipment, in particular to an automatic porridge cooking machine and a using method thereof.

Background

With the modern process, the healthy, environment-friendly, convenient and high-grade life concept is more and more deep into the mind and increasingly becomes the pursuit target of people. Diet is always the most basic requirement for every person, and the cooking level and environment quality reflect the quality of life of people to some extent, and has quite common meaning due to the involvement of hundreds of millions of families.

Along with the continuous development of the catering industry, kitchen equipment is more and more complete, and automatic porridge cooking machines are adopted in the large catering industry and canteens to automatically cook porridge so as to improve the efficiency.

Although the automatic porridge cooking machine in the prior art is high in automatic porridge cooking efficiency, the automatic porridge cooking machine is still low in automation degree, the prior porridge cooking machines are all of a combined structure, the porridge cooking machine and the heater are both arranged in the same container body, the daily maintenance and the maintenance are inconvenient, the heating of the prior porridge cooking machine is uneven, and the phenomenon that the bottom of the porridge is stuck by a pot easily occurs.

Therefore, how to provide a highly automated automatic porridge cooking machine and a using method thereof is a problem which needs to be solved by the technical personnel in the field.

Disclosure of Invention

Accordingly, the present invention is directed to an automatic porridge cooking machine and method of use that at least solve one of the problems set forth in the background section above.

In order to realize the scheme, the invention adopts the following technical scheme:

an automatic porridge cooking machine comprises a cabinet and a porridge box positioned above the cabinet;

the porridge tank comprises a tank body and a central exhaust pipe, wherein the tank body comprises an upper tank body and a funnel lower tank body which are integrally connected, an opening is formed in the center of the bottom of the funnel lower tank body, a connecting pipe is installed on the opening, and the bottom end of the central exhaust pipe is connected with the top end of the connecting pipe;

the cabinet comprises a cabinet body, and a water inlet pipe, a steam water tank, a preheater, a control electric box and a main pipeline which are positioned in the cabinet body, wherein the water inlet end of the water inlet pipe extends out of the cabinet body, the water outlet end of the water inlet pipe is connected with the water inlet pipe of the steam water tank and the water inlet pipe of the preheater through a tee pipe fitting, the water outlet end of the water inlet pipe of the steam water tank is connected with the water inlet of the steam water tank, and the steam outlet of the steam water tank is communicated with the main pipeline through a steam pipe; the water outlet end of the water inlet pipe of the preheater is communicated with the water inlet of the preheater; the water outlet of the preheater is communicated with the main pipeline through a preheater water outlet pipe; install first check valve and first solenoid valve on the steam pipe, install second check valve and second solenoid valve on the preheater outlet pipe, trunk line one end with the bottom intercommunication of connecting pipe, the other end stretches out to outside the rack to install out the congee valve.

Through the water inlet pipe, water flow can enter the steam water tank and the preheater, when the porridge outlet valve is closed, preheated hot water in the preheater can enter the main pipeline and enter the porridge tank through the connecting pipe, after water adding is completed, the second electromagnetic valve is closed, then the first electromagnetic valve is opened, steam in the steam water tank enters the main pipeline and enters the central exhaust pipe through the connecting pipe, the steam is discharged from the central exhaust pipe, liquid in the porridge tank is heated, and porridge cooking is realized; after porridge cooking is finished, the central exhaust pipe is taken down, the first electromagnetic valve and the second electromagnetic valve are closed, the porridge outlet valve is opened, porridge in the porridge box flows into the main pipe under the action of gravity, and then flows out through the porridge outlet valve, so that porridge discharging is finished.

Preferably, in the above automatic porridge cooking machine, the connecting pipe is an internal threaded pipe, the bottom end of the central exhaust pipe is screwed into the top end of the internal threaded pipe, and the main pipe is connected with the bottom end of the internal threaded pipe through threads.

Preferably, in the automatic porridge cooking machine, the central exhaust pipe comprises a pipe body, a hand screwing part, an exhaust end cover and an external thread connecting pipe, wherein the hand screwing part is arranged at the top end of the pipe body and seals the top end of the pipe body; a connecting port is formed in the center of the exhaust end cover, and the bottom end of the pipe body is connected to the connecting port of the exhaust end cover; one end of the external thread connecting pipe is connected to the bottom surface of the exhaust end cover, and the other end of the external thread connecting pipe is screwed into the top end of the internal thread pipe; a plurality of exhaust holes are formed in the periphery of the connecting port of the exhaust end cover and the outer wall of the bottom of the tube body.

Preferably, in the automatic porridge cooking machine, the inner cavity of the steam water tank is divided into a water inlet cavity and a heating cavity by a partition plate, and the bottom of the partition plate is wave-shaped and can pass through water; the water inlet cavity is internally provided with a ball float valve, the ball float valve is installed on a water inlet of the steam water tank, the heating cavity is internally provided with a first electric heating pipe, and a lead is led out of the heating cavity.

Preferably, in the above automatic porridge cooking machine, the preheater includes a housing and a second electric heating pipe, the second electric heating pipe is located in the housing, and a lead is led out of the housing.

Preferably, in the above automatic porridge cooking machine, the inner wall of the upper box body is provided with scale lines and a liquid level sensor.

Preferably, in the above automatic porridge cooking machine, the cabinet body includes a cabinet frame and a cabinet plate, the cabinet plate is installed on the side and the bottom surface of cabinet frame, and one of them the top installation of cabinet plate the control electronic box.

Preferably, in the above automatic porridge cooking machine, a controller is arranged in the control electric box, a control panel is installed on an opening of the control electric box, the control panel is electrically connected with the controller, and the liquid level sensor, the first electric heating pipe, the second electric heating pipe, the first electromagnetic valve and the second electromagnetic valve are respectively electrically connected with the controller through wires.

Preferably, in the automatic porridge cooking machine, a cover is further arranged on the top opening of the upper case, and an exhaust port is formed in the cover.

A method for using an automatic porridge cooking machine comprises three operation methods of a manual operation mode, an automatic operation mode and an appointment automatic mode;

the manual operation mode comprises the following steps:

step one, a power supply is started, a water inlet valve is opened, a porridge outlet valve is closed, and water enters a steam water tank and a preheater through a water inlet pipe;

fixing the central exhaust pipe in the porridge tank, and cleaning the liquid level sensor to ensure that the central exhaust pipe is clean and dry;

pressing a cancel key on the control panel to restore to the initial state;

step four, pressing a water level key on a control panel to select the required volume of water, enabling a corresponding water level indicator lamp on the control panel to be normally on, electrifying the control panel for the first time to default the water level to be 60L, and memorizing the last selected water level after selection;

step five, adding rice into the porridge tank in a manual mode, heating water by pressing a manual key on a control panel, and starting a second electromagnetic valve at the moment, wherein the hot water enters the porridge tank from a preheater through a main pipeline; automatically entering a manual porridge cooking mode when hot water is added to the selected water level position; or rice is added into the porridge tank in a manual mode, water is heated by pressing a manual key on a control panel once, and a manual porridge cooking mode can be entered by pressing the manual key once again before the hot water is added to the selected water level position; the manual mode red indicator light is normally on;

pressing a firepower key on the control panel midway to enter a firepower heating time state in a setting stage, flashing an indicator lamp corresponding to the firepower stage and the heating time, setting the firepower time through a plus-minus key, and automatically confirming the new heating time without key pressing operation for 5 seconds; pressing the fire key can select the current and non-working stage fire heating time setting in a circulating way;

the automatic operation mode comprises the following steps:

step one, a power supply is started, a water inlet valve is opened, a porridge outlet valve is closed, and water enters a steam water tank and a preheater through a water inlet pipe;

fixing the central exhaust pipe in the porridge tank, and cleaning the liquid level sensor to ensure that the porridge tank is clean and dry;

pressing a cancel key on the control panel to restore to an initial state;

step four, pressing a water level key on the control panel to select the water level capacity, enabling a corresponding water level indicator lamp on the control panel to be normally on, electrifying the control panel for the first time to default the water level to be 60L, and memorizing the last selected water level after selection;

step five, rice is added into the porridge box, and an automatic porridge cooking key on the control panel is pressed, so that a water adding and porridge cooking mode can be automatically entered;

the reservation automatic mode includes the steps of:

step one, turning on a power supply, opening a water inlet valve, and closing a porridge outlet valve to enable water to enter a steam water tank and a preheater through a water inlet pipe;

fixing the central exhaust pipe in the porridge tank, and cleaning the liquid level sensor to ensure that the porridge tank is clean and dry;

step three, pressing a water level key on a control panel to select water level capacity, enabling a corresponding water level indicator lamp on the control panel to be normally on, electrifying for the first time to default the water level to be 60L, and memorizing the last selected water level after selection;

step four, please confirm whether the clock is correct at this moment, otherwise please set up the clock before choosing to reserve and choose;

step five, selecting the appointment time according to an appointment key on a control panel, wherein the appointment time refers to the time for cooking porridge, a green appointment indicator lamp flickers with the appointment time, and 3 appointment times are available; the appointment time is adjusted through +, -keys, the time is 24 hours, the + key is adjusted for hours, the-key is adjusted for minutes, the stepping is carried out for 10 minutes, and the long pressing can be quickly adjusted;

step six, rice is added into the porridge box, an automatic porridge cooking key of the control panel is pressed, an appointment lamp is turned on constantly when the porridge cooking state is appointed, the appointment completion time is displayed, and the porridge cooking is automatically completed within the set appointment time;

step seven, after stage fire heating time is set, executing subsequent manual mode or automatic mode and appointed porridge cooking according to the latest heating time; the default setting time of the porridge cooking machine can be recovered unless the lithium battery in the controller is powered off and is set as follows: heating time of 90 minutes with strong fire, 30 minutes with medium fire and 30 minutes with small fire;

the clock setting operation method comprises the following steps:

step one, pressing a cancel key on a control panel to restore to an initial state;

and step two, pressing a clock setting key on the control panel to enter a clock setting state, wherein the red clock adjusting indicator light flickers with the clock time, the clock time can be adjusted through plus-minus keys, the plus key is adjusted when the minus key is adjusted for minutes, the clock is adjusted for 1 minute in a stepping mode, the clock can be adjusted quickly by long pressing, the clock is adjusted in 6 seconds without pressing keys, the clock is automatically confirmed, and if the clock is not changed, the clock is recovered by pressing a cancel key.

According to the technical scheme, compared with the prior art, the automatic porridge cooking machine and the use method are provided, through the distribution design of the exhaust holes of the central exhaust pipe, the eddy steam heating mode is realized, 360-degree omnibearing three-dimensional heating is realized, the uniformity is higher, the quality of porridge is better, the porridge water is not separated within 3 hours after the porridge is produced, and the porridge is not stuck to a pot and the bottom is not stuck; the porridge can be cooked in a full-automatic manner under the control of the controller, the porridge can be cooked in a standardized manner by one-key starting without the need of nursing and attending, and the output is more stable; the porridge cooking time can be freely selected, the porridge can be manually cooked, the time can be set according to the needs, and the porridge cooking is more humanized.

The invention has simple operation, convenient use, energy saving, time saving and labor saving, and is suitable for hotels, commercial restaurants, chain restaurants, breakfast shops and enterprise and public dining halls.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the present invention with the cover plate removed;

FIG. 3 is a schematic view of the internal structure of the cabinet;

FIG. 4 is a schematic view of the structure of the center exhaust pipe;

figure 5 is an exploded view of the central exhaust pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the invention discloses an automatic porridge cooking machine, which comprises a cabinet 1 and a porridge box 2 positioned above the cabinet 1;

the porridge tank 2 comprises a tank body and a central exhaust pipe 21, the tank body comprises an upper tank body 22 and a funnel lower tank body 23 which are integrally connected, an opening is formed in the center of the bottom of the funnel lower tank body 23, a connecting pipe is installed on the opening, and the bottom end of the central exhaust pipe 21 is connected with the top end of the connecting pipe;

the cabinet 1 comprises a cabinet body, and a water inlet pipe 11, a steam water tank 12, a preheater 13, a control electric box 14 and a main pipeline 15 which are positioned in the cabinet body, wherein the water inlet end of the water inlet pipe 11 extends out of the cabinet body, the water outlet end of the water inlet pipe 11 is connected with a steam water tank water inlet pipe 16 and a preheater water inlet pipe 17 through a three-way pipe fitting, the water outlet end of the steam water tank water inlet pipe 16 is connected with the water inlet of the steam water tank 12, and the steam outlet of the steam water tank 12 is communicated with the main pipeline 15 through a steam pipe 18; the water outlet end of the preheater water inlet pipe 17 is communicated with the water inlet of the preheater 13; the water outlet of the preheater 13 is communicated with the main pipeline 15 through a preheater water outlet pipe 19; the steam pipe 18 is provided with a first one-way valve and a first electromagnetic valve, the water outlet pipe 19 of the preheater is provided with a second one-way valve and a second electromagnetic valve, one end of the main pipeline 15 is communicated with the bottom end of the connecting pipe, and the other end extends out of the cabinet 1 and is provided with a porridge outlet valve 110.

The working principle is as follows: through the water inlet pipe 11, water flow can enter the steam water tank 12 and the preheater 13, when the porridge outlet valve 110 is closed, preheated hot water in the preheater 13 can enter the main pipeline 15 and enter the porridge tank 2 through the connecting pipe, after water is added, the second electromagnetic valve is closed, then the first electromagnetic valve is opened, steam in the steam water tank 12 enters the main pipeline 15 and enters the central exhaust pipe 21 through the connecting pipe, the steam is discharged from the central exhaust pipe 21, liquid in the porridge tank 2 is heated, and porridge cooking is realized; after cooking porridge is completed, the central exhaust pipe 21 is taken down, the first electromagnetic valve and the second electromagnetic valve are closed, the porridge outlet valve 110 is opened, porridge in the porridge tank 2 flows into the main pipe 15 under the action of gravity, and then flows out through the porridge outlet valve 110, so that porridge discharging is completed.

In order to further optimize the above technical scheme, the connecting pipe is an internal threaded pipe, the bottom end of the central exhaust pipe 21 is screwed into the top end of the internal threaded pipe, and the main pipeline 15 is in threaded connection with the bottom end of the internal threaded pipe.

In order to further optimize the technical scheme, the central exhaust pipe 21 comprises a pipe body 211, a hand-screwed part 212, an exhaust end cover 213 and an external thread connecting pipe 214, wherein the hand-screwed part 212 is installed at the top end of the pipe body 211 and seals the top end of the pipe body 211; a connecting port is arranged at the center of the exhaust end cover 213, and the bottom end of the tube body 211 is connected to the connecting port of the exhaust end cover 213; one end of the external thread connecting pipe 214 is connected to the bottom surface of the exhaust end cover 213, and the other end is screwed into the top end of the internal thread pipe; a plurality of exhaust holes 215 are arranged around the connecting port of the exhaust end cover 213 and on the outer wall of the bottom of the tube body 211.

In order to further optimize the technical scheme, the inner cavity of the steam water tank 12 is divided into a water inlet cavity and a heating cavity by a partition plate, and the bottom edge of the partition plate is set into a wave shape capable of passing water; a ball float valve is arranged in the water inlet cavity, the ball float valve is arranged on a water inlet of the steam water tank 12, a first electric heating pipe is arranged in the heating cavity, and a lead is led out of the heating cavity.

In order to further optimize the above solution, the preheater 13 comprises a housing and a second electric heating tube, the second electric heating tube is located in the housing, and the lead wire is led out of the housing.

In order to further optimize the above technical solution, the inner wall of the upper box 22 is provided with scale marks and a liquid level sensor.

In order to further optimize the technical scheme, the cabinet body comprises a cabinet frame 111 and cabinet plates 112, the cabinet plates 112 are installed on the side surfaces and the bottom surface of the cabinet frame 111, and the control electric box 14 is installed on the top of one cabinet plate 112.

In order to further optimize the above technical solution, a controller is arranged in the electrical control box 14, a control panel 113 is installed on an opening of the electrical control box 14, the control panel 113 is electrically connected with the controller, and the liquid level sensor, the first electrical heating pipe, the second electrical heating pipe, the first electromagnetic valve and the second electromagnetic valve are respectively electrically connected with the controller through wires.

In order to further optimize the above technical solution, a cover 24 is further provided on the top opening of the upper case 22, and an exhaust port is provided on the cover 24.

A method for using an automatic porridge cooking machine comprises three operation methods of a manual operation mode, an automatic operation mode and an appointment automatic mode;

the manual operation mode comprises the following steps:

step one, a power supply is started, a water inlet valve is opened, a porridge outlet valve 110 is closed, and water enters a steam water tank 12 and a preheater 13 through a water inlet pipe 11;

fixing the central exhaust pipe 21 in the porridge tank 2, and cleaning the liquid level sensor to ensure that the porridge tank is clean and dry;

step three, pressing a cancel key on the control panel 113 to restore to the initial state;

step four, pressing a water level key on the control panel 113 to select the required volume of water, enabling a corresponding water level indicator lamp on the control panel 113 to be normally on, electrifying the default water level 60L for the first time, and memorizing the last selected water level after selection;

step five, rice is added into the porridge tank 2 in a manual mode, water is heated by pressing a manual key on a control panel 113, at the moment, a second electromagnetic valve is opened, and hot water enters the porridge tank 2 from a preheater 13 through a main pipeline 15; automatically entering a manual porridge cooking mode when hot water is added to a selected water level position; or rice is added into the porridge tank 2 in a manual mode, water is heated by pressing a manual key on the control panel 113 once, and a manual porridge cooking mode can be started by pressing the manual key once again before the hot water is added to the selected water level position; the manual mode red indicator light is normally on;

step six, pressing the fire key on the control panel 113 midway to enter a fire heating time state in a setting stage, flashing a corresponding fire stage indicator light and heating time, setting the fire time through a plus-minus key, and automatically confirming new heating time without key pressing operation for 5 seconds; pressing a fire key can circularly select the fire heating time setting of the current and non-working stages;

the automatic operation mode comprises the steps of:

step one, turning on a power supply, opening a water inlet valve, and closing a porridge outlet valve 110 to enable water to enter a steam water tank 12 and a preheater 13 through a water inlet pipe 11;

fixing the central exhaust pipe 21 in the porridge tank 2, and cleaning the liquid level sensor to ensure that the porridge tank is clean and dry;

step three, pressing a cancel key on the control panel 113 to restore to the initial state;

step four, pressing a water level key on the control panel 113 to select the water level capacity, enabling a corresponding water level indicator lamp on the control panel 113 to be normally on, electrifying the default water level 60L for the first time, and memorizing the last water level selection after selection;

step five, rice is added into the porridge tank 2, and the automatic porridge cooking mode can be automatically started by pressing an automatic porridge cooking key on the control panel 113;

the reservation automatic mode includes the steps of:

step one, turning on a power supply, opening a water inlet valve, and closing a porridge outlet valve 110 to enable water to enter a steam water tank 12 and a preheater 13 through a water inlet pipe 11;

fixing the central exhaust pipe 21 in the porridge tank 2, and cleaning the liquid level sensor to ensure that the porridge tank is clean and dry;

step three, pressing a water level key on the control panel 113 to select the water level capacity, enabling a corresponding water level indicator lamp on the control panel 113 to be normally on, electrifying the default water level 60L for the first time, and memorizing the last water level selection after selection;

step four, please confirm whether the clock is correct at this moment, otherwise please set up the clock before choosing to reserve and choose;

step five, selecting the appointment time by pressing an appointment key on the control panel 113, wherein the appointment time refers to the time for cooking porridge, the green appointment indicator light flickers with the appointment time, and 3 appointment times are available; the appointment time is adjusted through +, -keys, the time is 24 hours, the + key adjustment is small, the-key adjustment is minute, the stepping is 10 minutes, and the long pressing can be quickly adjusted;

step six, rice is added into the porridge box 2, an automatic porridge cooking key of the control panel 113 is pressed, an appointment lamp is turned on when an appointment porridge cooking state is entered, appointment completion time is displayed, and porridge cooking is automatically completed within the set appointment time;

step seven, after the stage thermal heating time is set, the following manual mode or automatic mode and the appointed porridge cooking are executed according to the latest heating time; the default set time of the porridge cooking machine can be recovered unless the lithium battery in the controller is powered off and is powered on again: heating time of 90 minutes with strong fire, 30 minutes with medium fire and 30 minutes with small fire;

the clock setting operation method comprises the following steps:

step one, pressing a cancel key on the control panel 113 to restore to an initial state;

and step two, pressing a clock setting key on the control panel 113 to enter a clock setting state, wherein the red clock adjusting indicator light flickers with the clock time, the clock time can be adjusted through plus-minus keys, the plus key is adjusted when the minus key is adjusted for minutes, the clock is automatically confirmed after 1 minute of stepping, the clock can be quickly adjusted after long pressing, the clock is adjusted without pressing a key for 6 seconds, and the clock is recovered after pressing a cancel key if the clock is not changed when the clock is changed.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. An automatic porridge cooking machine is characterized by comprising a cabinet and a porridge box positioned above the cabinet;

the porridge tank comprises a tank body and a central exhaust pipe, wherein the tank body comprises an upper tank body and a funnel lower tank body which are integrally connected, an opening is formed in the center of the bottom of the funnel lower tank body, a connecting pipe is installed on the opening, and the bottom end of the central exhaust pipe is connected with the top end of the connecting pipe;

the cabinet comprises a cabinet body, and a water inlet pipe, a steam water tank, a preheater, a control electric box and a main pipeline which are positioned in the cabinet body, wherein the water inlet end of the water inlet pipe extends out of the cabinet body, the water outlet end of the water inlet pipe is connected with the water inlet pipe of the steam water tank and the water inlet pipe of the preheater through a tee pipe fitting, the water outlet end of the water inlet pipe of the steam water tank is connected with the water inlet of the steam water tank, and the steam outlet of the steam water tank is communicated with the main pipeline through a steam pipe; the water outlet end of the water inlet pipe of the preheater is communicated with the water inlet of the preheater; the water outlet of the preheater is communicated with the main pipeline through a preheater water outlet pipe; install first check valve and first solenoid valve on the steam pipe, install second check valve and second solenoid valve on the preheater outlet pipe, trunk line one end with the bottom intercommunication of connecting pipe, the other end stretches out to outside the rack to install out the congee valve.

2. The automatic porridge cooking machine according to claim 1, wherein the connecting pipe is an internally threaded pipe, the bottom end of the central exhaust pipe is screwed into the top end of the internally threaded pipe, and the main pipe is in threaded connection with the bottom end of the internally threaded pipe.

3. The automatic porridge cooking machine according to claim 2, wherein the central exhaust pipe comprises a pipe body, a hand-screw part, an exhaust end cover and an externally threaded connecting pipe, wherein the hand-screw part is arranged at the top end of the pipe body and seals the top end of the pipe body; a connecting port is formed in the center of the exhaust end cover, and the bottom end of the pipe body is connected to the connecting port of the exhaust end cover; one end of the external thread connecting pipe is connected to the bottom surface of the exhaust end cover, and the other end of the external thread connecting pipe is screwed into the top end of the internal thread pipe; a plurality of exhaust holes are formed in the periphery of the connecting port of the exhaust end cover and the outer wall of the bottom of the tube body.

4. The automatic porridge cooking machine according to claim 3, wherein the inner cavity of the steam water tank is divided into a water inlet cavity and a heating cavity by a partition plate, and the bottom of the partition plate is provided with a wave shape capable of passing water; the water inlet cavity is internally provided with a ball float valve, the ball float valve is installed on a water inlet of the steam water tank, the heating cavity is internally provided with a first electric heating pipe, and a lead is led out of the heating cavity.

5. An automatic porridge cooking machine according to claim 4, characterized in that the pre-heater comprises a housing and a second electric heating tube, the second electric heating tube is located in the housing, and a lead is led out to the outside of the housing.

6. The automatic porridge cooking machine according to claim 5, wherein the inner wall of the upper box body is provided with scale marks and a liquid level sensor.

7. The automatic porridge cooking machine according to claim 6, wherein the cabinet body comprises a cabinet frame and cabinet plates, the cabinet plates are mounted on the side surfaces and the bottom surface of the cabinet frame, and the control electric box is mounted on the top of one of the cabinet plates.

8. The automatic porridge cooking machine according to claim 7, wherein a controller is arranged in the control electric box, a control panel is installed on an opening of the control electric box, the control panel is electrically connected with the controller, and the liquid level sensor, the first electric heating pipe, the second electric heating pipe, the first electromagnetic valve and the second electromagnetic valve are respectively electrically connected with the controller through leads.

9. The automatic porridge cooking machine according to claim 1, wherein a cover is further arranged on the top opening of the upper case, and an air outlet is formed on the cover.

10. The use method of the automatic porridge cooking machine is characterized by comprising three operation methods of a manual operation mode, an automatic operation mode and an appointment automatic mode;

the manual operation mode comprises the following steps:

step one, turning on a power supply, opening a water inlet valve, and closing a porridge outlet valve to enable water to enter a steam water tank and a preheater through a water inlet pipe;

fixing the central exhaust pipe in the porridge tank, and cleaning the liquid level sensor to ensure that the porridge tank is clean and dry;

pressing a cancel key on the control panel to restore to the initial state;

step four, pressing a water level key on the control panel to select the required volume of water, enabling a corresponding water level indicator lamp on the control panel to be normally on, electrifying the control panel for the first time to default the water level to be 60L, and memorizing the last water level selection after selection;

step five, rice is added into the porridge tank in a manual mode, water is heated by pressing a manual key on a control panel, at the moment, a second electromagnetic valve is opened, and hot water enters the porridge tank from a preheater through a main pipeline; automatically entering a manual porridge cooking mode when hot water is added to the selected water level position; or rice is added into the porridge tank in a manual mode, water is heated by pressing a manual key on a control panel once, and a manual porridge cooking mode can be started by pressing the manual key once again before the hot water is added to the selected water level position; the manual mode red indicator light is normally on;

pressing a firepower key on the control panel midway to enter a firepower heating time state in a setting stage, flashing an indicator lamp corresponding to the firepower stage and the heating time, setting the firepower time through a plus-minus key, and automatically confirming the new heating time without key pressing operation for 5 seconds; pressing a fire key can circularly select the fire heating time setting of the current and non-working stages;

the automatic operation mode comprises the steps of:

step one, a power supply is started, a water inlet valve is opened, a porridge outlet valve is closed, and water enters a steam water tank and a preheater through a water inlet pipe;

fixing the central exhaust pipe in the porridge tank, and cleaning the liquid level sensor to ensure that the porridge tank is clean and dry;

pressing a cancel key on the control panel to restore to the initial state;

step four, pressing a water level key on the control panel to select the water level capacity, enabling a corresponding water level indicator lamp on the control panel to be normally on, electrifying the control panel for the first time to default the water level to be 60L, and memorizing the last selected water level after selection;

step five, rice is added into the porridge box, and an automatic porridge cooking key on the control panel is pressed, so that a water adding and porridge cooking mode can be automatically entered;

the reservation automatic mode includes the steps of:

step one, turning on a power supply, opening a water inlet valve, and closing a porridge outlet valve to enable water to enter a steam water tank and a preheater through a water inlet pipe;

fixing the central exhaust pipe in the porridge tank, and cleaning the liquid level sensor to ensure that the porridge tank is clean and dry;

step three, pressing a water level key on a control panel to select water level capacity, enabling a corresponding water level indicator lamp on the control panel to be normally on, electrifying for the first time to default the water level to be 60L, and memorizing the last selected water level after selection;

step four, please confirm whether the clock is correct at this moment, otherwise please set up the clock before choosing to reserve and choose;

step five, selecting the appointment time by pressing an appointment key on a control panel, wherein the appointment time refers to the time for cooking porridge, a green appointment indicator light flickers with the appointment time, and 3 appointment times can be selected; the appointment time is adjusted through +, -keys, the time is 24 hours, the + key is adjusted for hours, the-key is adjusted for minutes, the stepping is carried out for 10 minutes, and the long pressing can be quickly adjusted;

step six, rice is added into the porridge box, an automatic porridge cooking key of the control panel is pressed, an appointment lamp is turned on constantly when the porridge cooking state is appointed, the appointment completion time is displayed, and the porridge cooking is automatically completed within the set appointment time;

step seven, after the stage thermal heating time is set, the following manual mode or automatic mode and the appointed porridge cooking are executed according to the latest heating time; the default set time of the porridge cooking machine can be recovered unless the lithium battery in the controller is powered off and is powered on again: heating time of 90 minutes with big fire, 30 minutes with middle fire and 30 minutes with small fire;

the clock setting operation method comprises the following steps:

step one, pressing a cancel key on a control panel to restore to an initial state;

and step two, pressing a clock setting key on the control panel to enter a clock setting state, wherein the red clock adjusting indicator light flickers with the clock time, the clock time can be adjusted through plus-minus keys, the plus key is adjusted when the minus key is adjusted for minutes, the clock is adjusted for 1 minute in a stepping mode, the clock can be adjusted quickly by long pressing, the clock is adjusted in 6 seconds without pressing keys, the clock is automatically confirmed, and if the clock is not changed, the clock is recovered by pressing a cancel key.

Images