CN118056510A - Full-automatic electric cooker and control method - Google Patents

Abstract

The invention relates to a full-automatic electric cooker and a control method, wherein the full-automatic electric cooker comprises a bottom plate; the pot body is arranged on the bottom plate; the water storage tank is arranged on the bottom plate and is used for storing clear water; the rice storage box is arranged on the bottom plate and used for storing rice materials; the rice feeding mechanism is connected with the pot body and the rice storage box and is used for feeding rice materials into the pot body; the rice washing mechanism is arranged on the rice feeding mechanism, is connected with the water storage tank through a rice washing water inlet pipe and is used for washing rice materials in the rice feeding mechanism in a water spraying mode in the rice feeding process of the rice feeding mechanism; the waste water tank is used for receiving waste water after rice washing; the water adding pipe is connected with the rice feeding mechanism and the water storage tank and is used for adding water to the pot body; the rice feeding mechanism comprises a shell, and is connected with the pot body and the rice storage box; the rice feeding screw rod is obliquely arranged in the shell; and the rice feeding motor is used for driving the rice feeding screw rod. The rice washing mechanism is arranged on the rice feeding mechanism, synchronous rice washing is carried out in the rice feeding process, the preparation time before rice cooking is saved, and the structure is simplified.

Description

Full-automatic electric cooker and control method

Technical Field

The invention relates to kitchen utensils, in particular to a full-automatic electric cooker and a control method.

Background

Along with the continuous improvement of the living standard of people, more and more urban people hope to lighten kitchen households such as cooking by automation, double-worker families hope that the working meal is burnt, so that the time is saved, the meal is started as early as possible, more time is reserved for quality life and study, and the full-automatic electric cooker is popular with people and has great application potential. The existing electric rice cooker still maintains the original mode, and has complex operation through the processes of manual rice conveying, manual rice washing, manual water adding and the like; for the function of timing rice cooking, the existing electric rice cooker needs to wash rice and put the rice into a pot before working, so that the rice is soaked in the rice water for 8-10 hours, the rice can lose nutrition, the taste is lost, and the risk of deterioration is caused in summer. The full-automatic electric cooker can be started 1 hour before the rice-feeding, rice-washing and water-adding time is set, so that the defect of long-time rice water soaking of the traditional electric cooker is avoided.

Patent number: CN213588014U, patent name: an electric rice cooker with a rice washing function is designed, and the electric rice cooker can automatically convey and wash rice, but the electric rice cooker firstly conveys the rice to a washing bin for washing and then conveys the rice to the cooker, so that a great amount of preparation time is required; and the electric cooker uses two groups of conveying mechanisms, and has a complex structure.

Therefore, a full-automatic electric rice cooker capable of simultaneously feeding and washing rice is needed, which saves time and has a simple structure.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a full-automatic electric cooker and a control method.

The technical scheme of the invention is as follows:

A full-automatic electric cooker comprises a bottom plate; the pot body is arranged on the bottom plate; the water storage tank is arranged on the bottom plate and is used for storing clear water; the rice storage box is arranged on the bottom plate and used for storing rice materials; the rice feeding mechanism is respectively connected with the pot body and the rice storage box and is used for feeding rice into the pot body; the rice washing mechanism is arranged on the rice feeding mechanism, is connected with the water storage tank through a rice washing water inlet pipe and is used for washing rice materials in the rice feeding mechanism in a water spraying mode in the rice feeding process of the rice feeding mechanism; the waste water tank is used for receiving waste water after rice washing; the water adding pipe is connected with the rice feeding mechanism and the water storage tank and is used for adding water into the pot body; the rice feeding mechanism comprises: the shell is connected with the pot body and the rice storage box; the rice feeding screw rod is obliquely arranged in the shell and is used for conveying rice materials in the shell upwards to an outlet of the shell; and the rice feeding motor is used for driving the rice feeding screw rod.

As a further improvement of the invention, the bottom of the rice storage box is provided with a rice material outlet, and the rice material outlet is provided with a closed plugboard and a closed driving device for driving the closed plugboard.

As a further improvement of the invention, a pot body sealing cover and a sealing cover driving device for driving the pot body sealing cover are arranged at the joint of the pot body and the shell, so that the tightness of the pot body is ensured.

As a further improvement of the invention, the inclination angle of the rice feeding screw rod and the horizontal plane is 20-40 degrees, and the pitch of the rice feeding screw rod is 15-25mm.

As a further improvement of the invention, the inclination angle of the rice feeding screw and the horizontal plane is 30 degrees or 35 degrees, and the pitch of the rice feeding screw is 15mm or 20mm or 25mm.

As a further improvement of the invention, the shell comprises a rice feeding pipe arranged outside the rice feeding screw, a rice feeding pipe arranged at the lower end of the rice feeding pipe and a rice discharging pipe arranged at the upper end of the rice feeding pipe, wherein the rice feeding pipe is connected with the rice storage box, and the rice discharging pipe is connected with the pot body.

As a further improvement of the invention, the rice washing mechanism comprises a spray head arranged on the rice feeding pipe, the spray head is close to the middle upper part of the rice feeding screw, and the spray head is connected with the rice washing water inlet pipe.

As a further improvement of the invention, a rice scraping plate is arranged in the rice outlet pipe, and the rice scraping plate scrapes rice materials on the rice feeding screw into the rice outlet pipe.

As a further improvement of the invention, a box body is arranged below the rice storage box, the rice feeding mechanism is arranged in the box body, a yielding groove is arranged on the box body, the shell comprises a rice feeding pipe arranged outside the rice feeding screw, a rice feeding pipe arranged at the lower end of the rice feeding pipe and a rice discharging pipe arranged at the upper end of the rice feeding pipe, the rice feeding pipe penetrates through the yielding groove, the rice feeding pipe is connected with the rice storage box, a rice feeding interface is arranged on the pot body, the rice discharging pipe is connected with the rice feeding interface, a swinging device is arranged at the lower end of the rice feeding pipe, and the swinging device drives the shell to swing so that the rice discharging pipe is communicated with the rice feeding interface or removed from the rice feeding interface and kept away from the rice feeding interface.

As a further improvement of the invention, the rice washing mechanism comprises a rice inlet opening arranged on the rice inlet pipe, and the rice washing water inlet pipe is connected with the rice inlet opening.

As a further improvement of the invention, a plurality of rice feeding and draining through holes are arranged on the pipe wall at the lower end of the rice feeding pipe at intervals, a plurality of rice feeding and draining through holes are arranged on the pipe wall of the rice feeding pipe at intervals, and the rice feeding and draining through holes are used for draining waste water after rice washing.

As a further improvement of the invention, a water filling port is arranged on the side wall of one end of the rice outlet pipe, which is close to the rice feeding pipe, and the water filling port is connected with the water filling pipe.

A control method based on a full-automatic electric cooker comprises the following steps:

S1: starting a full-automatic electric cooker;

s2: the system controls the rice materials to enter the rice feeding mechanism from the rice storage box;

S3: the system controls the rice feeding screw to convey the rice upwards;

S4: in the rice feeding process, after the rice reaches a rice washing position, the system controls the rice washing mechanism to spray water to wash the rice materials on the rice feeding screw rod, and the waste water after rice washing flows into the waste water tank;

S5: after the rice reaches the preset position, the system controls the water adding pipe to spray water, and clean water is added into the pot body from the water storage tank;

S6: after the reduction amount of the rice materials in the rice storage tank reaches a set value, the system controls the rice storage tank to stop feeding the rice to the rice feeding mechanism;

s7: after the increment of the clear water in the pot body reaches a set value, the system controls the water adding pipe and the rice washing mechanism to stop spraying water;

s8: the system controls the pot body to heat;

S9: and after the set time is reached, the system controls the pot body to stop heating and to keep the temperature.

As a further improvement of the invention, in the step S3, the rotation speed of the rice feeding screw is 120-180r/min.

As a further improvement of the invention, in step S4, the rice washing position is arranged at the inlet of the rice feeding mechanism or at the position of the rice feeding screw aligned with the rice washing mechanism; the rice washing mechanism is used for intermittently spraying water, the water spraying mode of the rice washing mechanism is that water is sprayed for 0.5-1.5 seconds, the water is stopped for 3.5-8.5 seconds, and 4-10 seconds are taken as a period.

As a further improvement of the present invention, in step S5, the setting position is set at the inlet of the rice feeding mechanism or at the top end of the rice feeding screw; in the rice feeding process, the water sprayed by the water adding pipe feeds rice materials at the outlet of the rice feeding mechanism into the pot body together with clear water; the water spraying mode of the water adding pipe is that water is sprayed for 0.5-1.5 seconds, water is stopped for 3.5-8.5 seconds, and 4-10 seconds are taken as a period.

According to the invention of the scheme, the beneficial effects of the invention are as follows:

The rice washing mechanism is arranged on the rice feeding mechanism, so that synchronous rice washing can be performed in the rice feeding process, the preparation time before rice cooking is saved, and meanwhile, the structure can be simplified; the rice feeding screw 51 is obliquely arranged upwards, so that the movement in the horizontal direction and the vertical direction can be simultaneously met, the number of parts is reduced, the structure is simple, and the conveying power can be reduced.

Drawings

FIG. 1 is a schematic view of a first embodiment of the present invention;

FIG. 2 is a schematic view of a first angle of a rice feeding mechanism according to a first embodiment of the present invention;

FIG. 3 is a schematic view showing the structure of a second angle of the rice feeding mechanism according to the first embodiment of the present invention;

Fig. 4 is a schematic structural view of a rice washing mechanism according to a first embodiment of the present invention;

Fig. 5 is a schematic view showing the structure of the bottom of the rice bin according to the first embodiment of the present invention;

FIG. 6 is a schematic view of the structure of a second embodiment of the present invention;

FIG. 7 is a schematic view of a first angle of a rice feeding mechanism according to a second embodiment of the present invention;

fig. 8 is a schematic view of a second angle of the rice feeding mechanism according to the second embodiment of the present invention.

In the figure: 1. a bottom plate; 2. a pot body; 3. a water storage tank; 4. a rice storage box; 41. a closed plugboard; 42. a closed drive device; 43. a rice material outlet; 5. a rice feeding mechanism; 51. a rice feeding screw; 52. a rice feeding motor; 53. a rice feeding pipe; 531. a water inlet through hole; 532. a rice feeding and draining through hole; 54. a rice inlet pipe; 541. a rice inlet and drainage through hole; 55. a rice outlet pipe; 551. a rice outlet blocking cover; 56. a drain cover; 57. a rice scraping plate; 592. a turntable; 593. steering engine; 594. steering engine arm; 595. a first driving lever; 596. a second driving lever; 6. a rice washing mechanism; 61. a spray head body; 62. a rice washing water inlet pipe; 7. a waste water tank; 8. a water supply pipe; 9. a case; 91. and (5) giving way.

Detailed Description

The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.

Referring to fig. 1-8, the invention provides a full-automatic electric cooker, which comprises a bottom plate 1, a pot body 2 arranged on the bottom plate 1, a water storage tank 3 arranged on the bottom plate 1, a rice storage tank 4 arranged on the bottom plate 1, a waste water tank 7 arranged on the bottom plate 1, a rice feeding mechanism 5 arranged between the rice storage tank 4 and the pot body 2, a rice washing mechanism 6 arranged on the rice feeding mechanism 5 and a water adding pipe 8 arranged on the rice feeding mechanism 5, wherein rice materials in the rice storage tank 4 enter the rice feeding mechanism 5, the rice materials in the rice feeding mechanism 5 are sprayed and washed through the rice washing mechanism 6 and are conveyed into the pot body 2, waste water after rice washing flows into a waste water tank 7, water is added into the pot body 2 through the water adding pipe 8, and meanwhile, the rice materials at the outlet of the rice feeding mechanism 5 can be washed into the pot body 2 together, the rice washing can be performed synchronously in the rice feeding process, and a clean water bin for rice washing is not required, and the structure is simpler; the rice feeding and washing are synchronously carried out, so that the preparation time for cooking can be saved, and the efficiency is improved.

Preferably, the bottom of the rice storage tank 4 is provided with a funnel shape, rice materials in the rice storage tank 4 can be better guided, a rice material outlet 43 is formed in the bottom of the rice storage tank 4, a closed inserting plate 41 and a closed driving device 42 for driving the closed inserting plate 41 are arranged at the rice material outlet 43, the closed driving device 42 comprises a closed motor arranged at the bottom of the rice storage tank 4 and a closed screw rod driven by the closed motor, the closed inserting plate 41 is arranged on the closed screw rod, and the closed inserting plate 41 is driven to move through the closed motor to control the switch of the rice material outlet 43.

Preferably, the joint of the pot body 2 and the rice feeding mechanism 5 is provided with a pot body sealing cover and a sealing cover driving device for driving the pot body sealing cover, the sealing cover driving device comprises a sealing cover motor arranged on the pot body 2 and a sealing cover screw driven by the sealing cover motor, the pot body sealing cover is arranged on the sealing cover screw, the sealing cover motor drives the pot body sealing cover to open in the rice feeding process of the rice feeding mechanism 5, so that rice materials and clear water can smoothly enter the pot body 2, and when the pot body 2 needs to be heated for cooking, the sealing cover motor drives the pot body sealing cover to be closed, and the sealing property in the pot body 2 can be ensured.

Preferably, be equipped with the rice washing water pump on the rice washing inlet tube 62, the rice washing water pump is taken out the water in the storage water tank 3 and is washed in the rice inlet tube 62, be equipped with the water adding pump on the water adding pipe 8, the water adding pump is taken out the water in the storage water tank 3 in the water adding pipe 8, the rice washing inlet tube 62 adopts two independent water pumps to supply water with the water adding pipe 8, can control independently and wash rice inlet tube 62 and water adding pipe 8, the both during operation each other does not influence, guarantee the accuracy of both work, avoid taking place unnecessary interference.

The rice feeding mechanism 5 comprises a rice feeding motor 52, a rice feeding screw 51 driven by the rice feeding motor 52, and a shell arranged outside the rice feeding screw 51, wherein the rice feeding screw 51 is obliquely upwards arranged, so that the movement in the horizontal and vertical directions can be simultaneously satisfied, the number of parts is reduced, the structure is simple, the conveying power can be reduced, the inclination angle of the rice feeding screw 51 and the horizontal plane is 20-40 degrees, preferably 30 degrees or 35 degrees, at the moment, the gravity vertical dropping component of rice materials is small, the efficiency of the rice feeding screw 51 is high, the conveying is smooth, the phenomenon that the rice materials skid on the rice feeding screw 51 basically does not occur is basically avoided, the conveying power is small, the screw pitch of the rice feeding screw 51 is 15-25mm, preferably 15mm or 20mm or 25mm, if the screw pitch is larger than 25mm, the inclined plane of the rice feeding screw 51 is steep, the rice feeding is laborious, the conveying power is increased, the conveying space is small, the conveying efficiency is reduced, the shell comprises a rice feeding pipe 53 arranged outside the rice feeding screw 51, a rice feeding pipe 54 arranged at the lower end of the rice feeding pipe 53, and a rice feeding pipe 54 arranged at the upper end of the rice feeding pipe 53 and a rice feeding pipe 55 is connected with a rice feeding tank 5, and a washing mechanism is arranged at the lower end of the rice feeding pipe 53 and a rice feeding tank 5, and a washing mechanism is connected with a washing mechanism for washing machine for washing time can be realized, and a washing mechanism is arranged at the same time, and has a synchronous structure of a washing mechanism is connected with a washing machine and a washing machine; the water adding pipe 8 is arranged on the rice outlet pipe 55, water can be added to the pot body 2 by intermittently spraying water through the water adding pipe 8, and rice materials in the rice outlet pipe 55 can enter the pot body 2 along with sprayed clear water, so that the cleaned rice materials are prevented from being stuck in the rice outlet pipe 55.

The rice feeding mechanism 5 and the rice washing mechanism 6 can adopt various designs, and the invention provides two embodiments:

First embodiment:

The rice outlet pipe 55 comprises a rigid pipe arranged on the rice outlet pipe 53 and a flexible pipe connecting the rigid pipe and the pot body 2, wherein the rigid pipe can be a food grade plastic PP pipe, a steel pipe, a copper pipe or an aluminum pipe, the flexible pipe can be a food grade silicone pipe or a PU pipe, rice materials and clear water in the rice outlet pipe 55 can be conveyed into the pot body 2, and the upper cover switch of the pot body 2 is not blocked; the rice washing mechanism 6 comprises a spray head arranged on the rice feeding pipe 53, the spray head comprises a spray head body 61 arranged on the rice feeding pipe 53 and water inlet holes 531 arranged on the rice feeding pipe 53, the water inlet holes 531 are arrayed, the spray head body 61 is connected with the rice washing water inlet pipe 62, the spray head is close to the middle upper part of the rice feeding screw 51, water sprayed by the spray head body 61 enters the rice feeding pipe 53 through the water inlet holes 531, and the spray head body 61 and the water inlet holes 531 are matched to spray rice in the rice feeding pipe 53, so that the rice is washed more comprehensively and in place; a plurality of rice feeding and draining through holes 532 are arranged on the pipe wall at the lower end of the rice feeding pipe 53 at intervals, a plurality of rice feeding and draining through holes 541 are arranged on the pipe wall, close to the rice feeding pipe 53, of the rice feeding pipe 54, and the rice feeding and draining through holes 532 and the rice feeding and draining through holes 541 are used for draining waste water after rice washing; the lower end of the rice feeding pipe 53 is provided with a drainage cover 56, the rice feeding and drainage through hole 532, the rice feeding pipe 54 and the rice feeding motor 52 are arranged in the drainage cover 56, water discharged by the rice feeding and drainage through hole 532 and the rice feeding and drainage through hole 541 is concentrated in the drainage cover 56 so as to prevent the discharged water from splashing, one side of the drainage cover 56 is provided with a drainage opening, waste water in the drainage cover 56 is discharged through the drainage opening, the waste water can be guided to be accurately discharged into the waste water tank 7, and meanwhile, because the rice feeding pipe 53 and the rice feeding pipe 54 are provided with a plurality of drainage holes, pollutants such as dust, sundries and the like can enter the waste water, the drainage cover 56 covers the middle of the drainage holes, and the waste water can also play a role of dust prevention, so that sanitation is ensured; the rice discharging pipe 55 is internally provided with a rice scraping plate 57, and the rice scraping plate 57 can scrape rice materials on the rice feeding screw rod 51 into the rice discharging pipe 55, so that the cleaned rice materials are prevented from being stuck on the rice feeding screw rod 51; the side wall of one end of the rice outlet pipe 55, which is close to the rice feeding pipe 53, is provided with a water inlet, and the water inlet pipe 8 is connected with the water inlet.

Preferably, the water spraying angle of the nozzle body 61 is perpendicular to the axis of the rice feeding screw 51, so that the phenomenon that the rice on the rice feeding screw 51 is washed downwards by water sprayed by the nozzle body 61 to prevent the rice from being conveyed upwards is avoided.

Preferably, the inclination angle of the rice feeding screw 51 and the horizontal plane is 30-40 degrees, the optimal angle is 35 degrees, at the moment, the vertical falling component of the gravity of the rice material is small, the efficiency of the rice feeding screw 51 is high, the rice feeding screw 51 is smooth in conveying, the phenomenon that the rice material slips on the rice feeding screw 51 is basically avoided, and the conveying power is small.

Second embodiment:

The rice feeding mechanism 5 is arranged in the box body 9, the box body 9 is provided with a yielding groove 91, the rice feeding pipe 53 passes through the yielding groove 91, the pot body 2 is provided with a rice feeding interface, the rice feeding pipe 55 is connected with the rice feeding interface, the lower end of the rice feeding pipe 53 is provided with a swinging device which can drive the shell to swing, when rice feeding is needed, the rice feeding pipe 53 is driven to swing through the swinging device, the rice feeding pipe 55 is close to the pot body 2 and is communicated with the rice feeding interface, when rice feeding is not needed, the rice feeding pipe 53 is driven to swing through the swinging device, the rice feeding pipe 55 is separated from the rice feeding interface and is far away from the pot body 2, and therefore, the upper cover switch on the pot body 2 is not blocked; the rice washing mechanism 6 comprises a rice inlet opening arranged on the rice inlet pipe 54, and the rice inlet opening is connected with a rice washing water inlet pipe 62 and can wash rice materials falling into the rice inlet pipe 54; the lower pipe wall of the rice feeding pipe 53 is provided with a plurality of rice feeding and draining through holes 532 which are arranged at intervals, the pipe wall of the rice feeding pipe 54 is provided with a plurality of rice feeding and draining through holes 541 which are arranged at intervals, and the rice feeding and draining through holes 532 and the rice feeding and draining through holes 541 are used for draining the waste water after rice washing to the waste water tank 7; the side wall of one end of the rice outlet pipe 55, which is close to the rice feeding pipe 53, is provided with a water inlet, and the water inlet pipe 8 is connected with the water inlet.

Preferably, the swinging device comprises a rotary table 592 arranged at the lower end of the rice feeding pipe 53 and a driving piece for driving the rotary table 592 to rotate, the driving piece comprises a steering engine 593 arranged at the side of the rotary table 592 and a steering engine arm 594 driven by the steering engine 593, the rotary table 592 is provided with a first driving rod 595 and a second driving rod 596, the steering engine arm 594 is arranged between the first driving rod 595 and the second driving rod 596, when rice feeding is not needed, the steering engine 593 drives the steering engine arm 594 to push the first driving rod 595, so that the rotary table 592 rotates, the rice feeding pipe 55 is separated from the rice feeding interface and far away from the pot body 2, and when rice feeding is needed, the steering engine 593 drives the steering engine arm 594 to push the second driving rod 596, so that the rotary table 592 rotates, and the rice feeding pipe 55 is close to the pot body 2 and is communicated with the rice feeding interface.

Preferably, since the rice feeding pipe 53 rotates along with the turntable 592, the box 9 is stationary, the relative position of the rice feeding pipe 53 and the box 9 is changed, and simultaneously, since the rice feeding pipe 53 is obliquely upward as the internal rice feeding screw 51 is, when the rice feeding pipe 53 rotates, the rice feeding pipe 53 contacts with the box 9 more and more when the rice discharging pipe 55 is far away from the pot 2, the giving groove 91 is obliquely upward, and the rotation track of the rice feeding pipe 53 relative to the box 9 is kept the same.

Preferably, the inclination angle of the rice feeding screw 51 and the horizontal plane is 20-35 degrees, the optimal angle is 30 degrees, at the moment, the vertical falling component of the gravity of the rice material is small, the efficiency of the rice feeding screw 51 is high, the rice feeding screw 51 is smooth in conveying, the phenomenon that the rice material slips on the rice feeding screw 51 is basically avoided, and the conveying power is small.

Preferably, the end of the rice outlet pipe 55 is provided with a rotary rice outlet cover 551, which can cover the pipe orifice of the rice outlet pipe 55 when rice is not discharged, and prevent pollutants such as dust, impurities and the like from entering the rice outlet pipe 55.

Based on the control method of the full-automatic electric cooker, the following steps are adopted:

S1: starting a full-automatic electric cooker;

S2: the system controls rice materials to enter the rice feeding mechanism 5 from the rice storage box 4;

S3: the system controls the rice feeding screw rod 51 to convey rice upwards, the rotation speed of the rice feeding screw rod 51 is 120-180r/min, and the optimal rotation speed is 160r/min;

S4: in the rice feeding process, after the rice reaches a rice washing position, the system controls the rice washing mechanism 6 to intermittently spray water, the rice on the rice feeding screw 51 is washed, the waste water after rice washing flows into the waste water tank 7, the rice washing position can be arranged at the inlet of the rice feeding mechanism 5 or at the position of the rice feeding screw 51 aligned with the rice washing mechanism 6, the water spraying frequency of the rice washing mechanism 6 is matched with the rotating speed of the rice feeding screw 51, water spraying is carried out for 0.5-1.5 seconds, water spraying is carried out for 3.5-8.5 seconds, a water spraying mode with 4-10 seconds as one period is adopted, preferably, water spraying is carried out for 1 second, water spraying is carried out for 5 seconds, and a water spraying mode with 6 seconds as one period is adopted;

S5: after the rice reaches a set position, the system controls the water adding pipe 8 to intermittently spray water, fresh water is added into the pot body 2 from the water storage tank 3, the set position can be arranged at the inlet of the rice feeding mechanism 5 or at the top end of the rice feeding screw rod 51, in the rice feeding process, the water sprayed by the water adding pipe 8 can feed the rice at the outlet of the rice feeding mechanism 5 into the pot body 2 together with the fresh water, the water spraying mode of the water adding pipe 8 is 0.5-1.5 seconds for spraying water, the water spraying mode is stopped for 3.5-8.5 seconds, 4-10 seconds is taken as a period, preferably, 1 second for spraying water is adopted, the water is stopped for 5 seconds, and the water spraying mode is taken as a period for 6 seconds;

s6: after the reduction amount of the rice materials in the rice storage tank 4 reaches a set value, the system controls the rice storage tank 4 to stop feeding the rice to the rice feeding mechanism 5, and the reduction amount of the rice materials in the rice storage tank 4 is controlled through the time of rice discharging of the rice storage tank 4;

S7: after the increment of the clear water in the pot body 2 reaches a set value, the system controls the water adding pipe 8 and the rice washing mechanism 6 to stop spraying water, and the increment of the clear water in the pot body 2 is controlled by the opening time of the water adding pump connected with the water adding pipe 8;

S8: the system controls the pot body 2 to heat;

S9: after the set time is reached, the system controls the pot body 2 to stop heating and to keep the temperature.

The rotation speed of the rice feeding screw 51 is required to be matched with the water spraying frequency of the rice washing mechanism 6, and if the rotation speed of the rice feeding screw 51 is too high or the water spraying frequency of the rice washing mechanism 6 is too low, the rice materials cannot be washed cleanly; if the rotation speed of the rice feeding screw 51 is too slow or the water spraying frequency of the rice washing mechanism 6 is too fast, excessive rice washing causes nutrition loss of rice materials and excessive water in the rice feeding pipe 53 to overflow.

Preferably, the water spraying frequency of the water adding pipe 8 is controlled by the proportion of the rice material to the clear water set by the system, and according to the taste selected by the user and the set rice seeds, if the taste is selected to be normal, the proportion of the rice material to the clear water is 1:1.15 to 1:1.17, if the taste is soft glutinous, the ratio of the rice material to the clear water is 1:1.2 to 1:1.3.

In summary, the rice washing mechanism 6 is arranged on the rice feeding mechanism 5, so that rice can be washed synchronously in the rice feeding process, the preparation time for cooking can be saved, and the efficiency is improved; the rice feeding screw 51 is obliquely arranged upwards, so that the movement in the horizontal direction and the vertical direction can be simultaneously satisfied, the number of parts is reduced, the structure is simple, and the conveying power can be reduced; the sealing cover of the pot body can ensure the tightness in the pot body 2; the two independent water pumps are adopted for supplying water, so that the rice washing water inlet pipe 62 and the water adding pipe 8 can be independently controlled, the two water adding pipes are not mutually affected when in work, the working accuracy of the two water adding pipes is ensured, and unnecessary interference is avoided; the water adding pipe 8 is used for intermittently spraying water, so that water can be added to the pot body 2, and rice materials in the rice outlet pipe 55 can enter the pot body 2 together with sprayed clear water, so that the cleaned rice materials are prevented from being stuck in the rice outlet pipe 55; the rice outlet pipe 55 is combined with a flexible pipe by adopting a rigid pipe, so that the obstruction to the upper cover switch of the pot body 2 is avoided; the drain cover 56 can prevent discharged water from splashing and plays a role in guiding waste water, and meanwhile, plays a role in dust prevention; the water spraying direction of the rice washing mechanism 6 is vertical to the axis of the rice feeding screw 51, so that the rice feeding screw 51 is prevented from being washed downwards by water sprayed by the rice washing mechanism 6, and the rice is prevented from being conveyed upwards; the swing device can avoid blocking the upper cover switch of the pot body 2; the yielding groove 91 can avoid unnecessary interference with the rice feeding mechanism 5 in the rotation process; the rotation speed of the rice feeding screw 51 is matched with the water spraying frequency of the rice washing mechanism 6, so that the nutrition loss of rice materials caused by excessive rice washing can be prevented, and excessive rice washing water in the rice feeding pipe 53 can be prevented from overflowing.

It is emphasized that: the above embodiments are merely preferred embodiments of the present invention, and the present invention is not limited in any way, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.

Claims (16)

1. A full-automatic electric rice cooker, comprising:

A bottom plate (1);

the pan body (2) is arranged on the bottom plate (1);

the water storage tank (3) is arranged on the bottom plate (1) and is used for storing clear water;

the rice storage box (4) is arranged on the bottom plate (1) and is used for storing rice materials;

The rice feeding mechanism (5) is respectively connected with the pot body (2) and the rice storage box (4) and is used for feeding rice into the pot body (2);

the rice washing mechanism (6) is arranged on the rice feeding mechanism (5), and the rice washing mechanism (6) is connected with the water storage tank (3) through a rice washing water inlet pipe (62) and is used for washing rice materials in the rice feeding mechanism (5) in the rice feeding process of the rice feeding mechanism (5) in a water spraying mode;

a waste water tank (7) for receiving waste water after rice washing;

A water adding pipe (8) connected with the rice feeding mechanism (5) and the water storage tank (3) and used for adding water into the pot body (2);

The rice feeding mechanism (5) comprises:

The shell is connected with the pot body (2) and the rice storage box (4);

the rice feeding screw rod (51) is obliquely arranged in the shell and is used for conveying rice materials in the shell upwards to an outlet of the shell;

And the rice feeding motor (52) is used for driving the rice feeding screw rod (51).

2. The full-automatic electric rice cooker according to claim 1, wherein a rice material outlet (43) is arranged at the bottom of the rice storage box (4), and a closed plugboard (41) and a closed driving device (42) for driving the closed plugboard (41) are arranged at the rice material outlet (43).

3. The full-automatic electric rice cooker according to claim 1, wherein a pot cover and a cover driving device for driving the pot cover are arranged at the joint of the pot body (2) and the shell, so that the tightness in the pot body (2) is ensured.

4. The full-automatic electric rice cooker according to claim 1, wherein the inclination angle of the rice feeding screw (51) with the horizontal plane is 20-40 degrees, and the pitch of the rice feeding screw (51) is 15-25mm.

5. The full-automatic electric rice cooker according to claim 4, wherein the inclination angle of the rice feeding screw (51) with respect to the horizontal plane is 30 ° or 35 °, and the pitch of the rice feeding screw (51) is 15mm or 20mm or 25mm.

6. The full-automatic electric rice cooker according to claim 1, wherein the shell comprises a rice feeding pipe (53) arranged outside the rice feeding screw (51), a rice feeding pipe (54) arranged at the lower end of the rice feeding pipe (53) and a rice discharging pipe (55) arranged at the upper end of the rice feeding pipe (53), the rice feeding pipe (54) is connected with the rice storage box (4), and the rice discharging pipe (55) is connected with the pot body (2).

7. The full-automatic electric rice cooker according to claim 6, wherein the rice washing mechanism (6) comprises a spray head arranged on the rice feeding pipe (53), the spray head is close to the middle upper part of the rice feeding screw (51), and the spray head is connected with the rice washing water inlet pipe (62).

8. The full-automatic electric rice cooker according to claim 6, wherein a rice scraping plate (57) is arranged in the rice outlet pipe (55), and the rice scraping plate (57) scrapes rice materials on the rice feeding screw (51) into the rice outlet pipe (55).

9. The full-automatic electric rice cooker according to claim 1, wherein a box body (9) is arranged below the rice storage box (4), the rice feeding mechanism (5) is arranged in the box body (9), a yielding groove (91) is formed in the box body (9), the shell comprises a rice feeding pipe (53) arranged outside the rice feeding screw (51), a rice feeding pipe (54) arranged at the lower end of the rice feeding pipe (53) and a rice discharging pipe (55) arranged at the upper end of the rice feeding pipe (53), the rice feeding pipe (53) penetrates through the yielding groove (91), the rice feeding pipe (54) is connected with the rice storage box (4), a rice feeding interface is formed in the pot body (2), the rice discharging pipe (55) is connected with the rice feeding interface, a swinging device is arranged at the lower end of the rice feeding pipe (53), and drives the shell to swing, so that the rice discharging pipe (55) is moved away from the rice feeding interface or is communicated with the rice feeding interface.

10. The full-automatic electric rice cooker according to claim 9, wherein the rice washing mechanism (6) comprises a rice inlet opening arranged on the rice inlet pipe (54), and the rice washing inlet pipe (62) is connected with the rice inlet opening.

11. The full-automatic electric rice cooker according to claim 6 or 9, wherein a plurality of spaced rice feeding and draining through holes (532) are arranged on the lower end pipe wall of the rice feeding pipe (53), a plurality of spaced rice feeding and draining through holes (541) are arranged on the pipe wall of the rice feeding pipe (54), and the rice feeding and draining through holes (532) and the rice feeding and draining through holes (541) are used for draining waste water after rice washing.

12. The full-automatic electric rice cooker according to claim 6 or 9, wherein a water filling port is provided on a side wall of the rice outlet pipe (55) near one end of the rice feeding pipe (53), and the water filling port is connected with the water filling pipe (8).

13. The control method of the full-automatic electric cooker according to claim 1, wherein the method comprises:

S1: starting a full-automatic electric cooker;

S2: the system controls the rice materials to enter the rice feeding mechanism (5) from the rice storage box (4);

S3: the system controls the rice feeding screw rod (51) to convey rice upwards;

S4: in the rice feeding process, after the rice reaches a rice washing position, the system controls the rice washing mechanism (6) to spray water, so as to wash the rice on the rice feeding screw (51), and the waste water after rice washing flows into the waste water tank (7);

S5: after the rice reaches the set position, the system controls the water adding pipe (8) to spray water, and clean water is added into the pot body (2) from the water storage tank (3);

S6: after the reduction amount of the rice materials in the rice storage tank (4) reaches a set value, the system controls the rice storage tank (4) to stop feeding the rice to the rice feeding mechanism (5);

S7: after the increment of the clear water in the pot body (2) reaches a set value, the system controls the water adding pipe (8) and the rice washing mechanism (6) to stop spraying water;

S8: the system controls the pot body (2) to heat;

S9: after the set time is reached, the system controls the pot body (2) to stop heating and to keep the temperature.

14. The control method according to claim 13, characterized in that in step S3, the rotation speed of the rice feeding screw (51) is 120-180r/min.

15. The control method according to claim 13, characterized in that in step S4, the rice washing station is arranged at the inlet of the rice feeding mechanism (5) or at the position of the rice feeding screw (51) aligned by the rice washing mechanism (6); the rice washing mechanism (6) is used for intermittently spraying water, the water spraying mode of the rice washing mechanism (6) is that water is sprayed for 0.5-1.5 seconds, the water is stopped for 3.5-8.5 seconds, and 4-10 seconds are taken as a period.

16. The control method according to claim 13, characterized in that in step S5, the setting position is provided at an inlet of the rice feeding mechanism (5) or at a top end of the rice feeding screw (51); in the rice feeding process, the water sprayed by the water adding pipe (8) feeds rice materials at the outlet of the rice feeding mechanism (5) into the pot body (2) together with clear water; the water adding pipe (8) is used for intermittently spraying water, the water spraying mode of the water adding pipe (8) is that water is sprayed for 0.5-1.5 seconds, the water spraying is stopped for 3.5-8.5 seconds, and 4-10 seconds are taken as a period.