CN211212552U - Intelligent electric cooker and control system thereof - Google Patents

Abstract

The utility model relates to the technical field of electric rice cookers, in particular to an intelligent electric rice cooker and a control system thereof, which comprises an electric rice cooker, a rice washing device, a rice storage barrel, a rice adding device and a master control system; the rice washing device comprises a rice washing barrel, a stirrer and a sprinkler, a rice inlet is formed in the upper end of the rice washing barrel, a rice discharging port and a water discharging port are formed in the lower end of the rice washing barrel, the sprinkler and the stirrer are arranged in the rice washing barrel, the water discharging port is externally connected with a water discharging device, the rice discharging port is provided with a rice discharging device, the rice washing device is arranged on the electric rice cooker, and the rice discharging port is communicated with the inside of the electric rice cooker; the rice adding device is respectively connected with the rice inlet and the rice storage barrel; the main control system is respectively and electrically connected with the electric cooker, the stirrer, the sprinkler, the drainage device, the rice feeding device and the rice adding device. The whole process of automatically distributing water, washing rice and cooking rice can be realized, and the automatic rice-washing rice-cooking device has high automation degree.

Description

Intelligent electric cooker and control system thereof

Technical Field

The utility model relates to an electric rice cooker technical field, more specifically relates to an intelligence electric rice cooker and control system thereof.

Background

The electric cooker is a modern cooker which can cook food, automatically preserve heat, is clean and sanitary and has no pollution, and the control mode of the electric cooker sold on the market at present mainly comprises the following steps:

mechanical heat preservation electric cooker: the rice cooker has no automatic rice washing function, rice is washed manually before cooking, water is added, the rice cooking switch is pressed down to cook rice, and the rice automatically enters a heat preservation state after being cooked.

The preservation type electric cooker is started by appointment: the rice cooker has no automatic rice washing function, the rice is washed manually before cooking, the rice cooking time is set after water is prepared, the rice cooking state is automatically started after the timing time is up, and the temperature is automatically preserved after the rice is cooked.

The heat preservation type automatic electric cooker can be remotely controlled: the electric cooker is remotely controlled by WIFI or a mobile phone APP and is controlled by a microcomputer, the work automation degree of the electric cooker is higher, but rice is still washed before cooking, water is added into the cooker to wait for a cooking instruction, and the automatic rice washing function is not realized.

According to market research, the household electric rice cooker which can realize functions of automatically measuring rice, washing rice, discharging rice, distributing water and automatically cooking rice at a long distance and a short distance still does not meet the market. Although the electric cooker for ordering cooking can be started according to the preset time of people, the rice still needs to be washed and mixed with water in advance manually before cooking, so that the taste and nutrition of the rice can be influenced by the overlong soaking time of the rice in the water. The intelligent electric cooker disclosed by the relevant documents and patents is complex in structure and control method for washing and discharging rice, which leads to huge overall volume and difficulty in realizing household and marketization of products.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide an intelligence rice cooker and control system thereof, can realize automatic water distribution and wash the whole flow of rice cooking, have high degree of automation.

In order to solve the technical problem, the utility model discloses a technical scheme is: an intelligent electric rice cooker which is provided with a plurality of electric rice cookers,

comprises an electric cooker, a rice washing device, a rice storage barrel, a rice adding device and a master control system;

the rice washing device comprises a rice washing barrel, a stirrer and a sprinkler, a rice inlet is formed in the upper end of the rice washing barrel, a rice discharging port and a water discharging port are formed in the lower end of the rice washing barrel, the sprinkler and the stirrer are arranged in the rice washing barrel, the water discharging port is externally connected with a water discharging device, the rice discharging port is provided with a rice discharging device, the rice washing device is arranged on the electric rice cooker, and the rice discharging port is communicated with the inside of the electric rice cooker;

the rice adding device is respectively connected with the rice inlet and the rice storage barrel;

the main control system is respectively and electrically connected with the electric cooker, the stirrer, the sprinkler, the drainage device, the rice feeding device and the rice adding device.

In the device, rice grains are stored in the rice storage barrel, the rice adding device is added into the rice washing barrel from the rice grains in the rice storage barrel, the water is added into the rice washing barrel by the sprinkler and the rice-water mixture in the rice washing barrel is stirred by the stirrer so as to simulate the action of washing rice by hands, the rice grains are washed, the water in the rice washing barrel is pumped out by the drainage device after the rice is washed, the rice washing operation is repeated for many times, the rice grains in the rice washing barrel and the water are put into the inner container of the electric cooker by the rice feeding device after the rice is washed, meanwhile, the water required by cooking can be injected into the inner container of the electric cooker by the sprinkler, and the rice cooking is not required to be manually added with water for cooking. The device is mechanically completed by a series of processes from rice adding, rice washing to rice cooking, the process of manually participating in any link is not needed, the integral automation degree is high, and the use is more convenient.

Further, add a meter device including go out a meter device and lead a meter device, go out a meter device locate and store up in the rice bucket, go out a meter device pass through lead a meter device and advance a meter mouthful and be connected. The rice discharging device controls the amount of rice needed by cooking, and the rice grains are guided into the rice washing barrel through the rice guiding device for rice washing.

Furthermore, the rice storage barrel is provided with a rice discharging port, a funnel is arranged below the rice discharging port, the rice discharging device comprises an electromagnetic push-pull rod, a plurality of springs and a first baffle arranged at the rice discharging port, two ends of each spring are respectively connected with the inner wall of the rice storage barrel and the first baffle, one end of the electromagnetic push-pull rod is connected with the inner wall of the rice storage barrel, and the other end of the electromagnetic push-pull rod is in close contact with the first baffle. The rice grain is stored in storing up the rice bucket, and wherein, the cross-sectional area of first baffle is greater than the cross-sectional area of arranging the rice mouth, consequently under normal state, first baffle can cover row rice mouth completely, makes the rice grain of depositing in the rice bucket can not spill. When rice needs to be added, the main control system controls the electromagnetic push-pull rod to operate, the electromagnetic push-pull rod pulls the first baffle plate to push the first baffle plate open, the spring is in a stretching state at the moment, rice grains fall into the hopper from the rice discharging port, after the rice is discharged, the main control system controls the electromagnetic push-pull rod to enable the electromagnetic push-pull rod to lose power, the spring restores the original length, and pushes the first baffle plate to reset, the rice discharging port is closed, and rice discharging is stopped.

Further, in order to measure the weight of the rice grains in the funnel, a weighing device is further arranged, the weighing device is arranged below the rice storage barrel and used for weighing the whole weight of the rice storage barrel, the funnel and the rice storage barrel in the device are arranged in a non-contact mode, and the weighing device is electrically connected with a master control system. At the in-process of arranging rice, the user sets up the rice volume, and after the funnel fell to in the rice storage bucket, weighing device weighed the weight of storing up the rice bucket in step, and the weight of the grain of rice that falls into the funnel is the weight that reduces in the rice storage bucket, consequently can realize the function of automatic rice metering.

Further, lead a meter device including collection rice storehouse, second baffle, first hose and vacuum extraction device, collection rice storehouse with advance a meter mouthful and be connected, the activity of second baffle set up in collection rice storehouse bottom, first hose one end connect the funnel, the other end connects collection rice storehouse, vacuum extraction device connect collection rice storehouse. Vacuum extraction device carries out the vacuum extraction to the rice collection storehouse, make the interior local vacuum state that forms of rice collection storehouse and first hose, the second baffle receives the effect of atmospheric pressure difference and is in the closed condition this moment, the rice collection storehouse communicates with each other with the rice washing bucket mutually not this moment, the grain of rice receives vacuum extraction device's effect and enters into to the rice collection storehouse through first hose in the funnel, accomplish lead rice operation back, vacuum extraction device stop work, the second baffle is opened under the effect of gravity, the rice collection storehouse communicates with the rice washing bucket this moment, the grain of rice that is in the rice collection storehouse falls into to the rice washing bucket.

Further, the rice feeding device comprises a silica gel piston and a lifting driving device, the silica gel piston is arranged at a rice feeding opening, and the silica gel piston is connected with the lifting driving device. In the rice washing process, the silica gel piston plugs the rice outlet so that rice grains and water cannot flow out of the rice outlet, and after the rice washing procedure is completed, the lifting driving device drives the silica gel piston to move downwards so that the rice grains or the rice water can flow out of the rice outlet to perform the next procedure.

Furthermore, the stirrer comprises a hollow shaft motor, a shaft sleeve and stirring heads, wherein the shaft sleeve is connected with a hollow shaft of the hollow shaft motor, and at least one stirring head is connected with the shaft sleeve. The hollow shaft motor drives the hollow shaft to rotate, the hollow shaft drives the shaft sleeve to rotate, and the stirring head arranged on the shaft sleeve rotates along with the shaft sleeve to stir rice grains and water in the rice washing barrel, so that the rice washing action of a human hand is simulated.

Furthermore, the lifting driving device comprises an electric push-pull rod, a connecting rod and a control rod, the electric push-pull rod is connected with the connecting rod, one end of the control rod is connected with the connecting rod, and the other end of the control rod penetrates through the inner hole of the hollow shaft to extend to the lower end of the rice washing barrel to be connected with the silica gel piston. The electric push-pull rod is arranged at the top of the rice washing barrel and drives the control rod to move up and down so as to drive the silica gel piston to move up and down to plug and open the lower rice outlet. In addition, because the control rod is arranged through the inner hole of the hollow shaft, the occupied space is not additionally increased.

Further, the stirring head extends to the bottom of the rice washing barrel. Wherein, the agitator is separated with the inner wall, the top and the bottom of washing rice bucket, consequently can ensure to stir the grain of rice of washing rice bucket bottom when washing rice, ensures to wash the grain of rice totally.

Further, the drainage device comprises a separation net, a drainage pipe and a drainage pump, and the drainage port is connected with the drainage pump arranged outside through the drainage pipe. Wash rice water in the rice bucket and take out through the drain pump, at the rice washing in-process, rice mouth under the silica gel piston shutoff, the drain pump does not operate, and rice grain and water are all stayed and are stirred the washing through the stirring rod in washing the rice bucket. When needing to wash many times, the silica gel piston keeps a meter mouth state under the shutoff, starts the drain pump and takes out the water that washes in the rice bucket, takes out the back sprinkler and adds the clear water once more, then repeated washing process carries out a lot of washing, opens the silica gel piston again after final completion and starts the sprinkler watering simultaneously, will wash the rice grain in the rice bucket and shift to next process.

Furthermore, the water outlet is provided with a separation net. Through separating the net can avoid the grain of rice to pull out through the drain pump.

Further, the sprinkler include the water collection portion and run through the shaft hole that the water collection portion set up, water collection portion below be equipped with the water guide plate that encircles the shaft hole setting, water guide plate bottom be equipped with the delivery port, water guide plate set up towards the slope of shaft hole direction, the water collection portion in be equipped with the chamber that catchments, water collection portion bottom be equipped with the watering hole that a plurality of water directions kept away from the shaft hole, the watering hole including locating the first watering hole in the water guide plate outside and locating the inboard second watering hole of water guide plate.

The water inlet is externally connected with an external water source, the external water source is injected into the water collecting cavity and is sprayed out from the first water spraying hole and the second water spraying hole, water is sprayed out towards the inner wall of the rice washing cavity through the first water spraying hole to flush rice grains attached to the inner wall of the rice washing cavity to the bottom of the rice washing cavity, the shaft hole is used for installing a stirring rod of the rice washing device, the rice outlet at the bottom of the rice washing cavity is generally required to be blocked by the rice washing device, after the rice washing is completed, the rice water mixture in the rice washing cavity is required to fall to the next procedure by opening the rice outlet, wherein the rice grains are easy to remain and adhere to the rice discharging device for blocking the rice outlet, water flow sprayed from the second water spraying hole is sprayed to the inner wall of the water guide plate, the water flow downwards along the inner wall of the water guide plate towards the shaft hole under the action of gravity, and flows out from the water outlet at the bottom end of the water guide plate and falls onto the rice discharging device, so as to wash the rice grains adhered to the rice feeding device clean. This device can guarantee to wash rice intracavity wall and the rice grain of rice on the rice device down washes totally in order to guarantee to wash the rice intracavity can not remain the rice grain, has guaranteed the long-term sanitary safety of using of long-term device.

Furthermore, the water collecting part is of a laminated structure with diameters gradually reduced from top to bottom.

Further, the integrated structure that stacks gradually from top to bottom by the water-collecting layer that a plurality of diameters diminish in proper order, every the water-collecting layer be equipped with a plurality of watering holes that encircle set up in the shaft hole. Inside chamber and each watering hole that catchments all communicate, the watering hole encircles and sets up and ensures that rivers can spray to the inner wall of washing rice chamber or the inner wall of water guide plate 360 on to realize washing comprehensively, in addition, the height in the watering hole that sets up on every layer of catchmenting and for washing the distance inequality between the rice intracavity wall, consequently spray the rivers that come out on every layer of watering hole and all beat the different high position of washing rice intracavity wall on, each position of guaranteeing to wash rice intracavity wall can both obtain effectually washing.

Furthermore, the water-saving device also comprises a water quantity controller, and the water quantity controller is connected with the water inlet. The water quantity of water inflow can be controlled through the water quantity controller, after rice washing is finished, water with a proper quantity can be injected through the water quantity controller, rice is washed down through the water quantity required by cooking, rice grains adhered to the inner wall and the stirring shaft can be washed down, and the rice can be cooked by adding the water with the proper quantity.

The control system of the intelligent electric cooker comprises the main control system, the wireless transmission module and the remote terminal, wherein the wireless transmission module is electrically connected with the main control system and is in communication connection with the remote terminal.

Further, the main control system is a microcontroller, specifically STM32F 103VE, and the microcontroller sends control instructions to each working element in the intelligent electric cooker. The wireless transmission module comprises a wifi module and a wireless router, the wifi module is in signal interaction with the wireless router, the remote terminal is a tablet personal computer or a mobile phone, the remote terminal is in communication connection with the main control system through the wireless transmission module and is in signal interaction with the main control system, a control command can be sent to the main control system through the remote terminal, and the main control system is used for operating all parts of the electric cooker, so that a series of operations of automatically feeding rice, measuring rice, washing rice and cooking rice are realized, and the degree of automation is high.

Furthermore, a liquid crystal touch screen electrically connected with the main control system is further arranged on the electric cooker, the main control system can be monitored through the liquid crystal touch screen, and the cooking state can be monitored in real time. And the user can also input an operation instruction to the main control system through the liquid crystal touch screen.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model can realize the whole flow of automatic water distribution, rice washing and cooking, and has high automation degree;

2. the hollow shaft motor is adopted in the device to drive the stirring rod to rotate so as to realize a rice washing process, no dust is generated to fall off in the rice washing process, no lubricant is required to be added, the rice grains can be effectively prevented from being polluted in the rice washing process, the cleanness and the edible safety of the washed rice grains are ensured, the washed rice grains are ensured to meet the safety specification and the food sanitation standard, and the whole edible safety and the reliability are high;

3. the device can flush the rice grains adhered to the inner wall of the rice washing barrel and the silica gel piston to the bottom of the rice washing barrel, so that no rice grains remain in the rice washing barrel, and the flushing function can be realized by spraying water flow around without an external power source;

4. this device can preferentially take out the grain of rice that is located the rice storage barrel bottom when getting rice, makes the rice of putting into earlier and storing up rice device can be taken out earlier, reduces old rice.

Drawings

Fig. 1 is a schematic view of the overall structure of an intelligent electric rice cooker according to an embodiment of the present invention;

FIG. 2 is a schematic view of the rice storage bucket and the rice adding device according to an embodiment of the present invention;

FIG. 3 is a schematic view showing the structure of a rice washing apparatus according to an embodiment of the present invention;

fig. 4 is a schematic view of a sprinkler according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of a sprinkler according to an embodiment of the present invention;

FIG. 6 is an enlarged view of a portion A of FIG. 5;

fig. 7 is a schematic cross-sectional view of a sprinkler according to an embodiment of the present invention;

fig. 8 is a partial enlarged view of fig. 7 at B.

Fig. 9 is a schematic structural view of an electric rice cooker according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of a control system according to an embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Example 1:

as shown in fig. 1, the intelligent electric rice cooker comprises an electric rice cooker 1, a rice washing device 2, a rice storage barrel 3, a rice adding device 4 and a main control system 7, wherein the rice adding device 4 is respectively connected with a rice inlet 211 and the rice storage barrel 3, and the main control system 7 is respectively and electrically connected with the electric rice cooker 1, a stirrer 23, a sprinkler 22, a drainage device, a rice discharging device 24 and the rice adding device 4.

As shown in fig. 9, an inner container 12 for cooking is provided in the electric rice cooker 1, a lid 11 that can be opened and closed is provided on the electric rice cooker 1, and an opening 13 for communicating the outside with the inner container 12 is provided on the lid 11;

as shown in fig. 3, the rice washing device 2 comprises a rice washing barrel 21, a stirrer 23 and a water sprayer 22, wherein the upper end of the rice washing barrel 21 is provided with a rice inlet 211, the lower end of the rice washing barrel 21 is provided with a rice outlet 212 and a water outlet 213, the water sprayer 22 and the stirrer 23 are arranged in the rice washing barrel 21, the water outlet 213 is externally connected with a water discharging device, the rice outlet 212 is provided with a rice discharging device 24, the rice washing device 2 is arranged on the electric rice cooker 1, and the rice outlet 212 is connected with an inner hole 231B on the cover body 11 and communicated with the inner container 12 of the electric rice cooker 1;

wherein, agitator 23 comprises hollow shaft motor 231, axle sleeve 232 and at least one stirring head 233, and hollow shaft motor 231 sets up in the upper end outside of washing rice bucket 21, and axle sleeve 232 sets up one end and hollow shaft 231A fixed connection of hollow shaft motor 231, and the other end extends into to washing rice bucket 21 in, and at least one stirring head 233 is connected with the outer wall fixed connection of axle sleeve 232, and in this embodiment, stirring head 233 is provided with two, sets up the both sides at axle sleeve 232 outer wall respectively. The structures of the two stirring heads 233 are different, and different rotating stirring spaces can be formed respectively in the stirring process to realize a better stirring effect. The at least one stirring head 233 is extended to the bottom of the rice washing tub 21 to ensure that the rice-water mixture deposited at the bottom of the rice washing tub 21 can be stirred, and the stirring tub is separated from the inner wall, top and bottom of the rice washing tub 21, thereby ensuring that the rice grains at the bottom of the rice washing tub 21 can be stirred when washing the rice, and ensuring that the rice grains can be washed all around.

The rice feeding device 24 comprises a silica gel piston 241 and a lifting driving device, the silica gel piston 241 is arranged at the rice feeding port 212, the lifting driving device comprises the silica gel piston 241 arranged at the rice feeding port 212, the lifting driving device comprises an electric push-pull rod 242, a connecting rod 243 and a control rod 244, the electric push-pull rod 242 is connected with the connecting rod 243, the electric push-pull rod 242 is arranged on the upper end surface of the rice washing barrel 21, one end of the control rod 244 is connected with the connecting rod 243, and the other end of the control rod passes through an inner hole 231B of the hollow shaft 231A and extends to the lower end of the rice washing barrel 21 to be connected. The electric push-pull rod 242 is arranged at the top of the rice washing barrel 21, and the electric push-pull rod 242 drives the control rod 244 to move up and down so as to drive the silica gel piston 241 to move up and down to plug and open the lower rice outlet 212. In addition, since the control lever 244 is disposed through the inner hole 231B of the hollow shaft 231A, an additional occupied space is not increased. During the rice washing process, the silica gel piston 241 blocks the rice outlet 212, so that rice grains and water cannot flow out from the rice outlet 212, and after the rice washing process is completed, the lifting driving device drives the silica gel piston 241 to move downwards, so that the rice grains or the rice water can flow out from the rice outlet 212 to perform the next process.

In this apparatus, the drain apparatus includes a drain pipe 251 and a drain pump 252, a screen is provided at the drain port 213, and the drain port 213 is connected to the drain pump 252 provided outside through the drain pipe 251. The rice water in the rice washing barrel 21 is pumped out through the drainage pump 252, in the rice washing process, the silica gel piston 241 blocks the rice outlet 212, the drainage pump 252 does not work, and rice grains and water are kept in the rice washing barrel 21 and are stirred and washed through the stirring rod. When the rice washing is needed for multiple times, the silica gel piston 241 keeps the state of sealing the rice outlet 212, the drainage pump 252 is started to pump out the water in the rice washing barrel 21, the sprinkler 22 adds clean water again after the water is pumped out, then the washing procedure is repeated for multiple times of washing, the silica gel piston 241 is opened after the washing is finished finally, the sprinkler is started to sprinkle water, and the rice grains in the rice washing barrel 21 are transferred to the next procedure.

In the embodiment, the water sprayer 22 is externally connected to an external water source, specifically, a water storage barrel 8 is disposed in the rice storage barrel 3, and the water sprayer 22 is communicated with the water storage barrel 8. The water sprayer 22 is provided with a plurality of first water spraying holes 221A for spraying water toward the inner wall of the rice washing tub 21 and a plurality of second water spraying holes 222A for spraying water toward the water guide 222. In the process of water injection, water flow can be sprayed onto the inner wall of the rice washing barrel 21 and the water guide part 222, the water guide part is gathered and then sprayed onto the surface of the silica gel piston 241 through the control rod 224, and therefore when water is sprayed, rice grains adhered to the inner wall of the rice washing barrel 21 and the silica gel piston 241 can be washed down to the bottom of the rice washing barrel 21.

Specifically, the sprinkler 40 used in the present embodiment includes, as shown in fig. 4 to 6, a water collecting part 221, a shaft hole 223 formed through the water collecting part 221, and a water guide plate 222, wherein the shaft hole 223 is used for installing a stirrer in the rice washing device and a rice discharging device blocking a rice outlet, so that the rice discharging device and the shaft hole 223 are in the same vertical direction.

The water collecting portion 221 is a laminated structure with diameters decreasing from top to bottom, and specifically, the water collecting portion 221 is an integrated structure formed by stacking a plurality of water collecting layers 220 with diameters decreasing from top to bottom. In the present embodiment, the water collecting layer 220 is provided with 3 layers. The water guide plate 222 is disposed at the bottom of the water collecting part 221, the water guide plate 222 is disposed around the shaft hole 223, and the water guide plate 222 is disposed in an inclined manner toward the shaft hole 223 so that the water guide plate 222 has a reverse truncated cone structure with a large upper surface and a small lower surface. Specifically, the inner wall of the upper end of the water guiding plate 222 is fitted with the outer wall of the water collecting layer 220, and in this embodiment, the water guiding plate 222 is fitted on the water collecting layer 220 at the bottommost layer.

All be provided with a plurality of watering holes on every layer of water collection layer 220, the watering hole encircles in shaft hole 223 setting, and the axle hole 223 is all kept away from to the play water direction in every watering hole, and wherein the watering hole of parcel in water guide 222 is second watering hole 222A, and the watering hole that sets up in the water guide 222 outside is first watering hole 221A.

In this embodiment, a water collecting cavity 224 is disposed in the water collecting portion 221, wherein each water spraying hole is communicated with the water collecting cavity 224, a water inlet 225 is disposed on the water collecting portion 221, the water inlet 225 is communicated with the water collecting cavity 224, the water inlet 225 is externally connected to an external water source, and water flows into the water collecting cavity 224 through the water inlet 225 and is sprayed out through the water spraying holes. Wherein, the shaft hole 223 and the water collecting cavity 224 are isolated from each other and are not communicated with each other.

As shown in fig. 6, the angle alpha between the axis of the watering hole and the vertical is 30-60 deg.. Preferably 45. The water flow sprayed from the first water spray hole 221A can be sprayed and sprayed outward in a direction away from the shaft hole 223.

The water inlet 225 is externally connected with an external water source, the external water source is injected into the water collecting cavity 224 and is sprayed out from the first water spraying hole 221A and the second water spraying hole 222A, water is sprayed out towards the inner wall of the rice washing cavity through the first water spraying hole 221A, rice grains attached to the inner wall of the rice washing cavity are washed down to the bottom of the rice washing cavity, the shaft hole 223 is used for installing a stirring rod of the rice washing device, the rice outlet at the bottom of the rice washing cavity is generally required to be blocked by the rice washing device, after the rice washing is completed, the rice grains are required to fall to the next process by opening the rice outlet so that rice-water mixture in the rice washing cavity can fall to the next process, wherein the rice grains are easy to remain and adhere to the rice discharging device for blocking the rice outlet, water sprayed from the second water spraying hole 222A to the inner wall of the water guide plate 222, water flows downwards along the inner wall of the water guide plate 222 under the action of gravity, and flows out from the water outlet at the bottom end of the water guide plate 222 and falls to the, so as to wash the rice grains adhered to the rice feeding device clean. This device can guarantee to wash rice intracavity wall and the rice grain of rice on the rice device down washes totally in order to guarantee to wash the rice intracavity can not remain the rice grain, has guaranteed the long-term sanitary safety of using of long-term device.

In addition, because this device has a plurality of water collecting layers 220, and all be provided with the watering hole in shaft hole 223 around on every layer of water collecting layer 220, consequently, ensure that rivers can spray on the inner wall of washing rice chamber or the inner wall of water deflector 222 360, in order to realize washing comprehensively, in addition, the height of the watering hole that sets up on every water collecting layer 220 and for washing the distance inequality between the rice intracavity wall, consequently the rivers that spray out on every layer of watering hole all beat on the different high position of washing rice intracavity wall, each position of guaranteeing to wash rice intracavity wall can both obtain effectual washing.

The device is also provided with a water quantity controller 226, and the water quantity controller 226 is communicated with the sprinkler 22 and used for controlling the water injection quantity of the sprinkler 22. After the rice is washed, the water amount controller 226 can control the injection of a proper amount of water to flush the rice with the water amount required for cooking, so that rice grains adhered to the inner wall and the silica gel piston can be flushed down, and the rice can be cooked by adding a proper amount of water at the same time.

In this embodiment, the rice adding device 4 comprises a rice discharging device and a rice guiding device, the rice discharging device is arranged in the rice storage barrel 3, and the rice discharging device is connected with the rice inlet 211 through the rice guiding device. The rice discharging device controls the amount of rice needed by cooking, and the rice grains are guided into the rice washing barrel 21 through the rice guiding device for rice washing.

Specifically, a rice discharging port 31 is arranged at the bottom of the rice storage barrel 3, a funnel 32 is arranged below the rice discharging port 31, and comprises an electromagnetic push-pull rod 411, a plurality of springs 412 and a first baffle 413 arranged at the rice discharging port 31, two ends of each spring 412 are respectively connected with the inner wall of the rice storage barrel 3 and the first baffle 413, one end of the electromagnetic push-pull rod 411 is connected with the inner wall of the rice storage barrel 3, and the other end of the electromagnetic push-pull rod is in close contact with the first baffle 413.

One end of the electromagnetic push-pull rod 411 is connected with the inner wall of the rice storage barrel 3, and the other end is connected with the first baffle 413, so that the first baffle 413 can be smoothly opened. In this embodiment, two springs 412 are provided, and the two springs 412 are respectively installed at two sides of the push rod electromagnet. The cross-sectional area of the first baffle 413 is larger than that of the rice outlet in this embodiment, so that the first baffle 413 can completely cover the rice outlet, and the rice can be prevented from leaking when the rice is not required to be discharged. Funnel 32 is located first baffle 413 under in this embodiment, makes the rice in the rice storage device can all fall into funnel 32 when setting off rice, reduces the waste of rice.

When rice needs to be added, the main control system 7 controls the electromagnetic push-pull rod 411 to operate, the electromagnetic push-pull rod 411 pulls the first baffle 413, the first baffle 413 is pushed open, the spring 412 is in a stretching state at the moment, rice grains fall into the hopper 32 from the rice discharging port 31, and after rice is discharged, the main control system 7 controls the electromagnetic push-pull rod 411, so that the electromagnetic push-pull rod 411 is powered off, the spring 412 restores the original length, the first baffle 413 is pushed to reset, the rice discharging port 31 is closed, and rice discharging is stopped.

In addition, in order to measure the weight of the rice grains in the funnel 32, the weighing device 6 is also arranged, the weighing device 6 is arranged below the rice storage barrel 3 and used for weighing the whole weight of the rice storage barrel 3, wherein the funnel 32 and the rice storage barrel 3 in the device are arranged in a non-contact mode, and the weighing device 6 is electrically connected with the main control system 7. At the in-process of arranging rice, the user sets up the rice volume, and after the rice grain fell to funnel 321 from storing up rice bucket 3, weighing device 6 weighed storing up rice bucket 3's weight in step, and the weight of the rice grain that falls into funnel 32 was for storing up the weight that reduces in the rice bucket 3, consequently can realize the function of automatic rice metering.

In this embodiment, the rice guiding device includes a rice collecting bin 421, a second baffle 422, a first hose 423 and a vacuum extraction device 424, the rice collecting bin 421 is connected with the rice inlet 211, the second baffle 422 is movably disposed at the bottom of the rice collecting bin 421, one end of the first hose 423 is connected with the hopper 32, the other end of the first hose 423 is connected with the rice collecting bin 421, and the vacuum extraction device 424 is connected with the rice collecting bin 421. Specifically, one side of the second baffle 422 is connected with the bottom of the rice collecting bin 421 through a rotating shaft, and a baffle block for preventing the second baffle 422 from rotating at an excessive angle is arranged at the bottom of the rice collecting bin 421.

The vacuum extraction device 424 is an air suction pump, the vacuum extraction device 424 is communicated with the rice collection bin 421 through the air suction pipe 425, the vacuum extraction device 424 performs vacuum extraction on the rice collection bin 421, a filter screen structure is arranged at the connecting position of the air suction pipe 425 and the rice collection bin 421, and rice grains in the rice collection bin 421 are prevented from entering the air suction pipe 425. Vacuum extraction device 424 during operation makes the local vacuum state in collection rice storehouse 421 and the first hose 423, second baffle 422 receives the effect of atmospheric pressure difference at this moment and is in the closed condition, collection rice storehouse 421 and wash rice bucket 21 not communicating with each other this moment, the grain of rice receives vacuum extraction device 424's effect to enter into collection rice storehouse 421 through first hose 423 in funnel 32, accomplish lead rice back of operation, vacuum extraction device 424 stop work, second baffle 422 is opened under the effect of gravity, collection rice storehouse 421 and wash rice bucket 21 intercommunication this moment, the grain of rice that is in collection rice storehouse 421 falls into washing rice bucket 21.

In the device, rice grains are stored in a rice storage barrel 3, a rice adding device 4 is used for adding the rice grains in the rice storage barrel 3 into a rice washing barrel 21, a water sprayer 22 is used for adding water into the rice washing barrel 21 and stirring a rice-water mixture in the rice washing barrel 21 through a stirrer 23 so as to simulate the action of washing the rice by hands, the rice grains are washed, the water in the rice washing barrel 21 is pumped out through a drainage device after the rice is washed, the rice washing operation is repeated for many times, the rice grains and water in the rice washing barrel 21 are put into an inner container 12 of an electric rice cooker 1 through a rice putting device 24 after the rice is washed, meanwhile, the water required by cooking can be injected into the inner container 12 of the electric rice cooker 1 through the water sprayer 22, and the rice cooking is not required to be manually added with water. The device is mechanically completed by a series of processes from rice adding, rice washing to rice cooking, the process of manually participating in any link is not needed, the integral automation degree is high, and the use is more convenient.

A control system of an intelligent electric cooker is shown in fig. 8 and comprises the main control system 7, a wireless transmission module and a remote terminal 104, wherein the wireless transmission module is electrically connected with the main control system 7 and is in communication connection with the remote terminal 104.

In this embodiment, the main control system 7 is a microcontroller, specifically, STM32F 103VE, and the microcontroller sends control instructions to the working elements in the intelligent electric cooker 1.

The wireless transmission module comprises a wifi module 102 and a wireless router 103, the wifi module 102 and the wireless router 103 are in signal interaction, the remote terminal 104 is a tablet computer or a mobile phone, the remote terminal 104 is in communication connection with the main control system 7 through the wireless transmission module and in signal interaction, the remote terminal 104 can send a control instruction to the main control system 7, and the main control system 7 implements operation on each part of the electric cooker 1, so that a series of operations of automatically feeding rice, measuring rice, washing rice and cooking rice are realized, and the degree of automation is high.

Further, the electric rice cooker 1 is also provided with a liquid crystal touch screen 101 electrically connected with the main control system 7, and the main control system 7 can be monitored through the liquid crystal touch screen 101, so that the cooking state can be monitored in real time. And the user can also input an operation instruction to the main control system 7 through the liquid crystal touch screen 101.

Example 2:

the present embodiment is similar to embodiment 1, except that in the present embodiment, as shown in fig. 7 and 8, the water collecting portion 221 is provided with 1 water collecting layer 220, the upper edge of the water guide plate 222 is fixedly connected to the bottom surface of the water collecting portion 221, a plurality of water spraying holes are arranged on the bottom surface of the water collecting portion 221, the water spraying holes are arranged around the shaft hole 223, wherein the water spraying hole arranged inside the water guide plate 222 is a second water spraying hole 222A, the water spraying hole arranged outside the water guide plate 222 is a first water spraying hole 221A, the first water spraying hole 221A sprays water outwards, the water is sprayed onto the inner wall of the rice washing cavity to wash the inner wall of the rice washing cavity, the second water spraying hole 222A sprays water outwards, the water is sprayed onto the inner wall of the water guide plate 222, the water flows downwards along the inner wall of the water guide plate under the action of gravity and flows out from the water outlet, so that the water sprayed from the water spraying holes can wash the inner wall of the, the rice discharging device at the rice outlet can be washed.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. An intelligent electric cooker is characterized in that,

comprises an electric cooker (1), a rice washing device (2), a rice storage barrel (3), a rice adding device (4) and a master control system (7);

the rice washing device (2) comprises a rice washing barrel (21), a stirrer (23) and a sprinkler (22), a rice inlet (211) is formed in the upper end of the rice washing barrel (21), a rice discharging port (212) and a water discharging port (213) are formed in the lower end of the rice washing barrel (21), the sprinkler (22) and the stirrer (23) are arranged in the rice washing barrel (21), the water discharging port (213) is externally connected with a water discharging device, a separation net is arranged at the water discharging port (213), a rice discharging device (24) is arranged at the rice discharging port (212), the rice washing device (2) is arranged on the electric rice cooker (1), and the rice discharging port (212) is communicated with the inside of the electric rice cooker (1);

the rice adding device (4) is respectively connected with the rice inlet (211) and the rice storage barrel (3);

the main control system (7) is respectively and electrically connected with the electric rice cooker (1), the stirrer (23), the sprinkler (22), the drainage device, the rice feeding device (24) and the rice adding device (4).

2. The intelligent electric cooker according to claim 1, wherein the rice adding device (4) comprises a rice discharging device and a rice guiding device, the rice discharging device is arranged in the rice storage barrel (3), and the rice discharging device is connected with the rice inlet (211) through the rice guiding device.

3. The intelligent electric rice cooker according to claim 2, wherein the rice storage barrel (3) is provided with a rice discharge port (31), a funnel (32) is arranged below the rice discharge port (31), the rice discharging device comprises an electromagnetic push-pull rod (411), a plurality of springs (412) and a first baffle (413) arranged at the rice discharge port (31), two ends of each spring (412) are respectively connected with the inner wall of the rice storage barrel (3) and the first baffle (413), one end of the electromagnetic push-pull rod (411) is connected with the inner wall of the rice storage barrel (3), and the other end of the electromagnetic push-pull rod is tightly contacted with the first baffle (413).

4. The intelligent electric cooker according to claim 3, wherein the rice guiding device comprises a rice collecting bin (421), a second baffle (422), a first hose (423) and a vacuum extraction device (424), the rice collecting bin (421) is connected with the rice inlet (211), the second baffle (422) is movably arranged at the bottom of the rice collecting bin (421), one end of the first hose (423) is connected with the hopper (32), the other end of the first hose is connected with the rice collecting bin (421), and the vacuum extraction device (424) is connected with the rice collecting bin (421).

5. The intelligent electric cooker according to claim 1, wherein the rice feeding device (24) comprises a piston (241) and a lifting driving device, the piston (241) is arranged at the rice feeding port (212), and the piston (241) is connected with the lifting driving device.

6. The intelligent electric rice cooker according to claim 1, wherein the stirrer (23) comprises a hollow shaft motor (231), a shaft sleeve (232) and a stirring head (233), the shaft sleeve (232) is connected with a hollow shaft (231A) of the hollow shaft motor (231), and at least one stirring head (233) is connected with the shaft sleeve (232).

7. The intelligent electric cooker according to claim 1, wherein the water sprayer comprises a water collecting portion (221) and an axle hole (223) formed through the water collecting portion, a water guide plate (222) arranged around the axle hole (223) is arranged below the water collecting portion (221), a water outlet is formed in the bottom of the water guide plate (222), the water guide plate (222) is arranged in a manner of inclining towards the axle hole (223), a water collecting cavity (224) is formed in the water collecting portion (221), a plurality of water spraying holes with water outlet directions away from the axle hole (223) are formed in the bottom of the water collecting portion (221), and each water spraying hole comprises a first water spraying hole (221A) formed in the outer side of the water guide plate (222) and a second water spraying hole (222A) formed in the inner side of the water guide plate (222).

8. The intelligent electric cooker according to claim 7, wherein the water collecting part (221) is a laminated structure with diameters decreasing from top to bottom, the laminated structure is an integrated structure formed by stacking a plurality of water collecting layers (220) with diameters decreasing from top to bottom, and each water collecting layer (220) is provided with a plurality of water spraying holes surrounding the shaft hole (223).

9. The intelligent electric cooker according to any one of claims 1-8, further comprising a water amount controller (226), wherein the water amount controller (226) is connected with the water inlet (225).

10. A control system applied to the electric cooker as claimed in any one of claims 1 to 9, characterized by comprising a main control system (7), a wireless transmission module and a remote terminal (104), wherein the wireless transmission module is electrically connected with the main control system (7), and the wireless transmission module is in communication connection with the remote terminal (104).

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