CN107184082A - A kind of pump spray full-automatic rice quantity-measuring and rice-washing intelligent electric cooker of formula and its control method - Google Patents

Abstract

The present invention relates to the technical field of electric rice cookers, and more specifically, relates to a pump-spray type automatic metering and washing intelligent electric rice cooker and a control method thereof. A pump-spray type automatic metering and washing intelligent rice cooker, which includes an electric rice cooker, a rice storage and metering mechanism arranged on the upper part of the electric rice cooker and connected to it, a water storage and underwater water mechanism arranged on the outside of the electric rice cooker and connected to it, and also includes The rice washing and pumping mechanism for washing rice and pumping water also includes a central controller, and the central controller is electrically connected to the above-mentioned mechanisms respectively; the rice washing and pumping mechanism includes a pump outlet pipe inserted into the rice cooker and a water suction pipe; it also includes a cover opening device. The device is electrically connected with the central controller. The key technology of pumping rice washing and water pumping is adopted, and the inner tank of the rice cooker is used as the rice washing container, and the water pump is used to extract the water from the inner tank of the rice cooker and drain to the inner tank of the rice cooker to form a water flow from the center down to the periphery upward to realize the rice washing function. This key technology makes the rice washing mechanism relatively simple, and is the main innovative content, key technology and main feature of this patent.

Description

A pump-spray type automatic metering and washing intelligent rice cooker and its control method

technical field

The present invention relates to the technical field of electric rice cookers, and more specifically, relates to a pump-spray type automatic metering and washing intelligent electric rice cooker and a control method thereof.

Background technique

When the current smart rice cooker with fully automatic reservation timing generally does not have the functions of automatically measuring rice, washing rice and adding water, etc., it is necessary to put the washed rice and water into the pot in advance, and set the cooking time through the reservation function. If the rice is soaked in the water in the pot for too long, the rice will soften, the quality of cooked rice will be greatly reduced, and the nutrition and taste will be worse. Among the rice cooker products that have been publicly listed or published documents and published patents, the rice cooker that integrates automatic rice adding, water adding, rice washing, cooking, timing and remote control (WIFI access to the Internet) by mobile phone or computer is still relatively small. In the current era of extensive research and application of Internet of Things and Internet + household appliances technology, the demand for remote automatic rice measuring, rice washing, water adding and automatic cooking is increasing.

Contents of the invention

In order to overcome at least one defect of the above-mentioned prior art, the present invention provides a pump-spray type automatic metering and washing intelligent rice cooker and its control method. The pump-spray type rice washing and pumping key technologies are adopted to make the rice washing mechanism relatively simple.

The technical solution of the present invention is: a pump-spray type automatic metering and washing intelligent rice cooker, which includes an electric rice cooker, a rice storage and rice storage mechanism arranged on the upper part of the electric rice cooker and connected to it, and a storage device connected to the rice cooker. The water quantity and water launching mechanism also includes a rice washing and pumping mechanism for washing rice and pumping water, and also includes a central controller, which is electrically connected to the above-mentioned mechanisms respectively;

The rice washing and pumping mechanism includes a pump outlet pipe and a water suction pipe inserted into the rice cooker; it also includes a cover opening device, which is electrically connected to the central controller.

In the present invention, the key technology of pumping rice washing and water pumping is adopted, and the rice cooker liner is used as the rice washing container, and the water pump is used to extract the water from the rice cooker liner and drain the water to the rice cooker liner to form a water flow from the center down to the periphery upward to realize the rice washing function. This key technology makes the rice washing mechanism relatively simple, and is the main innovative content, key technology and main feature of this patent.

Further, the rice washing pumping mechanism also includes a rotating arm and a stepping motor connected to the end of the rotating arm. The suction pipe is almost in contact with the bottom of the rice cooker at the suction inlet, and a filter is installed at the inlet of the suction pipe. The mouth of the pump outlet pipe is downward and is in the middle of the inner tank of the electric rice cooker; the rice washing and pumping mechanism also includes a second electromagnetic three-way reversing valve and a water pump, the water pump is connected to the water suction pipe, and the second electromagnetic three-way reversing valve It is connected with the pump outlet pipe and the suction pipe.

In the present invention, the suction pipe is almost in contact with the bottom of the electric rice cooker gallbladder at the suction inlet so that the water is drained, and a filter screen is installed at the inlet of the suction pipe to prevent rice from being sucked when pumping. The nozzle of the pump outlet pipe is downward and is in the middle of the inner tank of the rice cooker. When the rice is put in and an appropriate amount of rice washing water is injected, the second electromagnetic three-way reversing valve is energized so that the drainage of the pump is connected to the pump outlet pipe, and the water pump The rice washing water in the inner tank of the rice cooker is energized to form a pumping and drainage cycle, and the outlet of the pump outlet pipe is drained downwards to push the rice washing water and rice to flow from the center down to the surrounding area up to realize the rice washing. The selected water pump is different from ordinary centrifugal pumps. It can pump water under the condition of inhaling air, or it can be pumped for a few minutes, which can meet the needs of draining the rice washing water. The water pump working current sensor can transmit the signal to the central controller, and the central controller controls the water pump to stop drawing water.

Further, the described rice storage and metering mechanism includes a rice storage device, a rice measuring and lowering device connected to the lower part of the rice storage device, a rice lowering inner tube connected to the lower part of the rice measuring and lowering device, and a rice lowering inner tube sleeved The outer rice lowering outer tube is connected to the rice cooker. The rice storage and rice lowering mechanism also includes an electric telescopic rod that drives the outer tube of the rice lowering to tilt and move.

In the present invention, when the rice is loaded, the electric telescopic rod drives the lower rice outer tube to extend to the top of the rice cooker in a downward inclined direction, and the electromagnetic valve of the rice measuring device is opened to lower the rice to the rice cooker through the rice lower tube and the rice lower outer tube, and measure at the same time The rice lowering device weighs the rice volume of the rice storage device. When the current rice volume reaches the set cooking volume, the lower rice solenoid valve closes and stops the rice feeding.

Further, the water storage underwater mechanism includes a water storage, a first electromagnetic three-way reversing valve connected to the lower part of the water storage, and the first electromagnetic three-way reversing valve is also connected to the water inlet pipe of an external water source; the water storage The underwater water mechanism also includes a water meter and a water solenoid valve, the top of the water meter and the water solenoid valve are connected with the first electromagnetic three-way reversing valve, the bottom of the water meter is connected with the water storage pipe, and the water storage pipe is connected with the suction pipe. Described water pump is installed in the position slightly higher than water reservoir.

In the present invention, the downpipe of the water storage device is connected to one inlet of the first electromagnetic three-way reversing valve, the other inlet of the first electromagnetic three-way reversing valve is connected to tap water or pure water through the water inlet pipe, and the outlet of the first electromagnetic three-way reversing valve is The water outlet is connected to the water measuring device and the water solenoid valve through the hose, and the outlet of the water measuring device and the water solenoid valve is connected to the rice cooker through the water pipe and the water suction pipe. When in use, it can be set to use the first electromagnetic three-way reversing valve to control the use of storage. water source or external tap water and pure water source.

Further, the smart rice cooker also includes a drainage mechanism, and the drainage mechanism includes a third electromagnetic three-way reversing valve connected to the water suction pipe, and an outward drainage pipe connected to the third electromagnetic three-way reversing valve. The smart rice cooker also includes a rice washing water recovery mechanism, the rice washing water recovery mechanism includes a rice washing water recovery plate located outside the rice cooker, the rice washing water recovery plate guide rail is provided at the bottom of the rice washing water recovery plate; Rice cooker rail.

In the present invention, automatic or manual pouring mode can be selected for drainage, the inlet of the third electromagnetic three-way reversing valve is connected to the second electromagnetic three-way reversing valve, and the outlet of the third electromagnetic three-way reversing valve can be connected to the rice washing water through a hose. And the water from the cleaning pipeline is directly discharged to the kitchen drain pipe to realize automatic drainage. It can also choose to lead to the rice washing water recovery tray. The rice washing water recovery tray can be manually pulled out through the guide rail of the rice washing water recovery tray to pour water. When eating, the user can pull out the rice cooker through the guide rails of the rice cooker to carry out the rice filling operation.

The cover opening device includes a rice cooker cover arranged on and connected to the rice cooker, an internal lock switch is provided inside the rice cooker cover, a rotating arm is provided outside the electric cooker, a driving mechanism is provided at the rotating arm, and one end of the rotating arm Connect the top of the rice cooker cover, and the other end is connected to the driving mechanism, the driving mechanism is the rice cooker cover to control the stepping motor; the rotating arm is also provided with a rotating arm telescopic regulator.

Utilize the control method of described a kind of pump-spray type full-automatic rice-metering and rice-washing intelligent electric cooker, wherein, comprise the following steps:

S1. The user sets the rice cooking setting and sends out an execution instruction, the central controller receives the cooking setting instruction, and the rice cooker lid is opened;

S2. The rotating arm rotates to the rice washing position;

S3. Measure the amount of water in the water sink to reach the predetermined amount of rice washing water;

S4. The rice measuring and lowering device lowers the rice to reach the predetermined amount of rice;

S5. The water pump circulates water and sprays water for the first rice washing;

S6. The water is drained by the water pump, and the first rice washing is completed;

S7. Wash the rice according to the setting of the number of rice washing times;

S8. Measure the amount of water in the water sink to reach the predetermined amount of cooking water;

S9. The rotating arm rotates to the non-washing rice position;

S10. Close the lid of the rice cooker to cook rice, measure the water in the water sink and pump water to clean the pump and pipeline;

S11. The rice cooker finishes cooking, and the alarm buzzer sounds.

Compared with the existing technology, the beneficial effect is: adopt the key technology of pump-spray rice washing and pumping, use the rice cooker liner as the rice washing container, use the water pump to extract the water from the rice cooker liner, and drain the water from the rice cooker liner to form a center downward to peripheral upward The water flow realizes the rice washing function. This key technology makes the rice washing mechanism relatively simple, and is the main innovative content, key technology and main feature of this patent.

Moreover, the present invention is based on the Internet of Things technology with a certain basis for development at present, and proposes an intelligent rice cooker that can be oriented to family and commercial use and integrates automatic metering, washing, rice, water and cooking, and computer or mobile phone remote reservation control functions. The patented technology has been implemented and prototype manufacturing has been completed. The rice cooker of the patented technology product can be compatible with some rice cookers currently on the market.

Description of drawings

Fig. 1 is a schematic diagram of rice washing and rice washing when the cover of the electric cooker of the present invention is opened.

Fig. 2 is a schematic diagram of the non-washing state of the present invention.

Fig. 3 is a schematic diagram of closing the lid of the electric cooker of the present invention.

Fig. 4 is a schematic diagram of opening the lid of the electric rice cooker of the present invention.

Fig. 5 is a schematic flow chart of the method of the present invention.

detailed description

The accompanying drawings are for illustrative purposes only, and should not be construed as limitations on this patent; in order to better illustrate this embodiment, certain components in the accompanying drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art It is understandable that some well-known structures and descriptions thereof may be omitted in the drawings. The positional relationship described in the drawings is for illustrative purposes only, and should not be construed as a limitation on this patent.

As shown in Figures 1 and 2, a pump-spray type automatic metering and washing intelligent rice cooker includes an electric rice cooker 3, a rice storage and metering mechanism connected to the upper part of the electric rice cooker 3, and is arranged outside the electric rice cooker 3 and The water storage and launching mechanism connected to it also includes a rice washing and pumping mechanism for washing rice and pumping water, and also includes a central controller 15, which is electrically connected to the above-mentioned mechanisms respectively;

The rice washing pumping mechanism includes a pumping water pipe 2 and a water pumping pipe 5 inserted into the electric rice cooker 3 .

In this embodiment, the pump-type rice washing and water pumping key technologies are adopted, and the rice cooker liner is used as the rice washing container, and the water pump is used to extract the water from the rice cooker liner and drain the water to the rice cooker liner to form a water flow from the center down to the periphery upward to realize the rice washing function. This key technology makes the rice washing mechanism relatively simple, and is the main innovative content, key technology and main feature of this patent.

Specifically, the rice washing pumping mechanism also includes a rotating arm 4, a stepping motor 18 connected to the ends of the rotating arm 4, and the suction pipe 5 is almost in contact with the bottom of the electric cooker gallbladder at the suction inlet, and a filter screen is installed at the suction pipe 5 inlet. The mouth of the pump outlet pipe 2 is downward and is in the middle of the inner tank of the electric rice cooker; the rice washing pumping mechanism also includes a second electromagnetic three-way reversing valve 19 and a water pump 13, and the water pump 13 is connected to the water suction pipe 5, and the second electromagnetic three-way reversing valve Directional valve 19 is all connected with pump outlet pipe 2, suction pipe 5.

In the present embodiment, the suction pipe 5 is almost in contact with the bottom of the electric rice cooker gallbladder at the suction inlet so that the water is drained, and the suction pipe 5 inlet is equipped with a filter screen to prevent suction from sucking rice. The nozzle of the pump outlet pipe 2 is downward and is in the middle of the inner pot of the electric rice cooker. After putting rice and injecting an appropriate amount of rice washing water, the second electromagnetic three-way reversing valve 19 is energized to make the water discharge of the pump and the pump outlet pipe 2 Connected, the water pump is energized to run the rice washing water in the inner tank of the rice cooker to form a pumping and drainage cycle, and the outlet of the pump outlet pipe 2 is drained downward to push the rice washing water and rice to flow from the center down to the periphery up to realize the rice washing. The selected water pump 13 is different from general centrifugal pumps. It can pump water under the condition of inhaling air, and it can also pump air for a few minutes, which can meet the needs of draining the rice washing water. Small, the water pump 13 working current sensor can send this signal to the central controller 15, and the central controller 15 controls the water pump to stop drawing water.

As shown in Figure 1, the mechanism for storing rice, measuring rice, and lowering rice includes a rice storage device 10, a rice measuring and lowering device 9 connected to the bottom of the rice storage device 10, a rice inner tube 8 connected to the bottom of the rice measuring and lowering device 9, a sleeve The lower rice outer tube 6 arranged outside the lower rice inner tube 8 is connected to the electric rice cooker 3 . The rice storage mechanism for rice storage also includes an electric telescopic rod 7 that drives the lower rice outer tube 6 to tilt and move.

In this embodiment, when the rice is loaded, the electric telescopic rod 7 drives the lower rice outer tube 6 to extend to the top of the inner pot of the rice cooker in a downward inclined direction, and the rice measuring device 9 solenoid valve is opened to pass through the lower rice inner tube 8 and the lower rice outer tube 6. From the rice to the rice cooker, at the same time, the meter-loader 9 weighs the 10-meter meter of the rice storage device, and the current rice volume reaches the set cooking volume. The rice-down solenoid valve is closed to stop the rice-loading, and the electric telescopic rod 7 drives the lower-meter outer tube 6 to tilt upward. The direction returns to the position outside the rice cooker.

Specifically, the water storage mechanism includes a water storage device 11, a first electromagnetic three-way reversing valve 14 connected to the lower part of the water storage device 11, and the first electromagnetic three-way reversing valve 14 is also connected to the water inlet pipe 12 of an external water source; The water storage mechanism also includes a water meter and a water solenoid valve 16, the top of the water meter and the water solenoid valve 16 is connected to the first electromagnetic three-way reversing valve 14, and its bottom is connected to the water storage pipe 17. The water pipe 17 is connected to the suction pipe 5 . Suction pump 13 is installed in the position slightly higher than water reservoir 11.

In this embodiment, the water storage pipe 17 is connected to one inlet of the first electromagnetic three-way reversing valve 14, and the other inlet of the first electromagnetic three-way reversing valve 14 is connected to tap water or pure water through the water inlet pipe 12. The water outlet of the reversing valve 14 communicates with the water meter and the water solenoid valve 16 through a hose, and the outlet of the water meter and the water solenoid valve 16 is connected to the rice cooker through the water pipe and the water suction pipe 5. When in use, it can be set to pass through the first solenoid valve. The three-way reversing valve 14 controls and selects to use the water reservoir water source or external tap water and pure water source.

Specifically, the smart rice cooker also includes a drainage mechanism. The drainage mechanism includes a third electromagnetic three-way reversing valve 20 connected to the suction pipe 5 , and an outward drain pipe 21 connected to the third electromagnetic three-way reversing valve 20 . The smart electric cooker also includes a rice washing water recovery mechanism, which includes a rice washing water recovery tray 22 located outside the electric rice cooker 3 , the rice washing water recovery tray 22 bottom is provided with a rice washing water recovery tray guide rail 23 ; the rice cooker 3 bottom is provided with an electric cooker guide rail 1 .

In this embodiment, automatic or manual pouring mode can be selected for drainage, the inlet of the third electromagnetic three-way reversing valve 20 is connected to the second electromagnetic three-way reversing valve 19, and the outlet of the third electromagnetic three-way reversing valve 20 can be passed through a hose Connect the rice washing water and the water of the cleaning pipeline directly to the kitchen drain to realize automatic drainage, and also choose to lead to the rice washing water recovery tray 22, and the rice washing water recovery tray 22 can be manually pulled out by the rice washing water recovery tray guide rail 23 and poured. When the user has a meal, the electric rice cooker 3 can be pulled out through the electric rice cooker guide rail 1 to carry out the rice filling operation.

As shown in Figures 3 and 4, the cover opening device comprises an electric cooker cover 24 that is located on the electric cooker 3 and is connected thereto. Drive mechanism is arranged, and one end of rotating arm 26 connects electric cooker lid 24 tops, and its other end connects driving mechanism, and driving mechanism is that electric cooker lid controls stepping motor 27;

In this embodiment, the cover lock button is canceled on the cover 24 of the rice cooker. The user only needs to press down on the cover of the rice cooker, and the internal lock switch is released, and then releases the hand upwards to open the cover of the rice cooker. Press the cover of the rice cooker in the closing direction to a dead point, and the internal lock switch locks, and the cover of the rice cooker can be closed. Control the stepping motor 27 through the rice cooker cover to control the rotating arm 26 to rotate at a small angle and press down on the rice cooker cover (counterclockwise in Figure 3), the internal lock switch of the rice cooker cover will be released, and the rice cooker cover will control the stepping motor 27 to drive the rotating arm 26 and then rotate in the opposite direction to open the lid of the rice cooker. Figure 4 is a schematic diagram of the control of opening the lid of the rice cooker. Rotate the cover to the closed position of the rice cooker cover, the inner lock switch of the rice cooker cover will be locked, and then rotate in the opposite direction to reset. Rotating arm telescopic regulator 25 among Fig. 3 is to be used for adjusting the length of rotating arm 26 to adapt to the requirement of electric cooker of different sizes.

In the present embodiment, the central controller 15 (including APP mobile phone control module, WIFI control module, Bluetooth control module, G network or C network wireless signal remote control module, related software control program, user panel operation keyboard, timing, alarm and display etc.), the cooking settings can be set according to personal needs, and can be set by mobile phone settings, Bluetooth settings or user panel operation keyboards. The rice storage device 10 of Fig. 1 and the water storage device 11 are distributed front and rear on one side of the electric rice cooker in the actual structure of the whole automatic electric cooker, and the shapes of the rice storage device 10 and the water storage device 11 are designed according to the actual available space, as shown in Fig. 1 The rice washing and pumping assembly composed of the rotating arm 4 shown, the water suction pipe (and the water pipe) 5 and the pump outlet pipe 2 etc. is in the middle position of the rice storage device 10 and the water storage device 11.

As shown in Figure 5, all the parts and execution process of the fully automatic rice cooker are controlled by the central controller 15, which can be set according to individual needs for cooking, operated by mobile phone, bluetooth or user panel operation keyboard.

S1. The user sets the rice cooking setting and sends out an execution command. The central controller receives the cooking setting command and performs related operation control. When the rice cooker cover is closed, as shown in Figure 3, the rice cooker cover controls the stepper motor 27 to drive the rotating arm 26 to press Figure 3 Rotate counterclockwise at a small angle and press down on the rice cooker cover, the internal lock switch of the rice cooker cover is opened, the rice cooker cover controls the stepping motor 27 and then drives the rotating arm 26 to rotate clockwise to the fully open position of the rice cooker cover.

S2. The stepper motor 18 drives the rotating arm 4 to rotate counterclockwise from the non-washing rice state position shown in Figure 2 to the rice washing state shown in Figure 1, and the rotating arm 4 is provided with a U-shaped supporting device at this position to ensure the rice washing Stablize. Then the first electromagnetic three-way reversing valve 14 selects to connect the water storage device 11 or connect the water inlet pipe 12 to connect to the tap water, and the water measuring device and the sewer solenoid valve 16 are opened through the sewer pipe 17 and the suction pipe (and sewer pipe) in 5 directions. Electric cooker launching, according to how much launching of the amount of next rice arrives predetermined rice washing water quantity measuring device and launching solenoid valve 16 close and stop launching. The electric telescopic rod 7 drives the lower rice outer tube 6 to extend to the top of the inner tank of the electric rice cooker in a downward inclined direction, and the rice measuring device 9 electromagnetic valve opens the rice to the rice cooker through the lower rice inner tube 8 and the lower rice outer tube 6, and at the same time, the rice is stored. The meter meter is weighed, and the current rice amount reaches the setting cooking amount and the rice lower device 9 closes and stops the lower rice, and the electric telescopic rod 7 drives the lower meter outer pipe 6 to return to the position outside the electric cooker in an upwardly inclined direction.

S3. The second electromagnetic three-way reversing valve 19 is energized to connect the water pump outlet and the pump outlet pipe 2. The water pump is energized to pump water and spray water downward from the pump outlet pipe 2 to form a rice washing flow. The first rice washing, the first rice washing arrives After the set time, the second electromagnetic three-way reversing valve 19 is connected to the water pump outlet and the third electromagnetic three-way reversing valve 20 inlet, and the rice washing water is discharged to the kitchen drain pipe or rice washing through the third electromagnetic three-way reversing valve 20. Water recovery tray 22. After the rice washing water is drained, the working current of the suction pump 13 is reduced, and the central controller 15 controls the suction pump 13 to stop pumping, and the rice washing is completed for the first time. Then wash the rice according to the setting of the number of times of rice washing. After the rice washing and pumping are all completed, the water measuring device and the water solenoid valve 16 are opened to the water. And the launching electromagnetic valve 16 is closed and stops launching.

S4. The stepping motor 18 drives the rotating arm 4 (clockwise in FIG. 1 ) from the rice washing state to the non-washing state, as shown in FIG. 2 . In the case of adding rice cooking water, the outlet of the pumping water pipe 2 and the inlet of the water suction pipe 5 are not sticky to the rice.

S5. The rice cooker cover controls the stepping motor 27 to bring the rotating arm 26 to the direction of closing the rice cooker cover (counterclockwise in Figure 4) to rotate and push the rice cooker cover to rotate to the closed position of the rice cooker cover. The internal lock switch of the rice cooker cover is locked and the cover is closed. Close, then the electric rice cooker cover controls the stepping motor 27 to drive the rotating arm 26 to rotate in the opposite direction and get back to the reset position. Water measurement and water discharge solenoid valve 16 is turned on and the water pump 13 is running for about 10 seconds to clean the water pump 13 and the pipeline and drain the water to the kitchen drain pipe or the rice washing water recovery tray 22. A section of water suction pipe between the inside of the gallbladder has been cleaned when the rice is cooked and drained.

S6. The rice cooker enters the cooking program, and the alarm buzzer sounds after the cooking is completed. After the user cleans the rice cooker gallbladder after a meal and puts the rice cooker gallbladder back into the rice cooker, the stepper motor 18 can be controlled by one-key control of the special cleaning button to drive the rotating arm 4 from the non-washing rice state (as shown in Figure 2) to the rice washing state ( As shown in Figure 1), the electromagnetic valve 16 for measuring the water is connected to the water until the preset water volume height is reached in the rice cooker, and the water is stopped. The second electromagnetic three-way reversing valve 19 is energized to connect the water pump outlet and the pump outlet pipe 2, and then The water pump 13 pumps and drains the water in the electric rice cooker. It takes about 10 seconds to clean the water pump 13 and the pipeline between the pump outlet pipe 2 and the second electromagnetic three-way reversing valve 19, and then the second electromagnetic three-way reversing The valve 19 connects the outlet of the water pump and the inlet of the third electromagnetic three-way reversing valve 20, drains the cleaning water, and then the stepping motor 18 drives the rotating arm 4 to return to the non-washing state (as mentioned above and shown in Figure 2).

Apparently, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, rather than limiting the implementation of the present invention. For those of ordinary skill in the art, on the basis of the above description, other changes or changes in different forms can also be made. It is not necessary and impossible to exhaustively list all the implementation manners here. All modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the claims of the present invention.

Claims (10)

1. A pump-spray type automatic metering and washing intelligent rice cooker, characterized in that it comprises an electric rice cooker (3), a rice storage and metering mechanism connected to the upper part of the electric rice cooker (3), and an electric rice cooker (3) The water storage capacity underwater mechanism connected with it also includes a rice washing and pumping mechanism for washing rice and pumping water, and also includes a central controller (15), which is electrically connected to the above-mentioned mechanisms respectively; The rice washing and pumping mechanism includes a pumping water pipe (2) and a water pumping pipe (5) inserted into the rice cooker (3); it also includes a cover opening device, which is electrically connected to the central controller (15). 2. A pump spray type automatic metering and washing smart rice cooker according to claim 1, characterized in that: said rice washing and pumping mechanism also includes a rotating arm (4) connected to the end of the rotating arm (4). The stepper motor (18), the water suction pipe (5) is almost in contact with the bottom of the electric cooker gallbladder at the water suction inlet, and the water suction pipe (5) inlet is equipped with a filter screen. 3. A pump spray type automatic metering and washing smart rice cooker according to claim 2, characterized in that: the mouth of the pump outlet pipe (2) is downward and is in the middle of the inner tank of the rice cooker; The mechanism also includes a second electromagnetic three-way reversing valve (19), a water pump (13), and the water pump (13) is connected to the suction pipe (5), and the second electromagnetic three-way reversing valve (19) is connected to the pump outlet pipe (2 ), the suction pipe (5) are connected. 4. A pump-spray type automatic metering and washing smart rice cooker according to claim 1, characterized in that: the rice storage, metering, and unloading mechanism includes a rice storage device (10), and a rice storage device (10 ) connected to the lower part of the rice measuring device (9), the lower rice inner pipe (8) connected to the lower part of the meter lower rice device (9), and the lower rice outer pipe (6) sleeved outside the lower rice inner pipe (8) , connect the outer tube (6) to the rice cooker (3). 5. A pump-spray type automatic metering and washing smart rice cooker according to claim 4, characterized in that: the rice storage and metering mechanism also includes an electric motor that drives the outer tube (6) to tilt and move. Telescoping rod (7). 6. A pump spray type automatic metering and washing smart rice cooker according to claim 3, characterized in that: the water storage mechanism includes a water storage device (11) and a lower part of the water storage device (11) The connected first electromagnetic three-way reversing valve (14), the first electromagnetic three-way reversing valve (14) is also connected to the water inlet pipe (12) of the external water source; the water storage mechanism also includes a water measuring device and a water solenoid valve (16), the upper part of the water measuring device and the water solenoid valve (16) is connected to the first electromagnetic three-way reversing valve (14), the lower part is connected to the water storage pipe (17), and the water storage pipe (17) is connected to the pump water pipe (5). 7. A pump spray type automatic metering and washing smart rice cooker according to claim 6, characterized in that: the water pump (13) is installed at a position slightly higher than the water storage device (11); the smart rice cooker It also includes a drainage mechanism, the drainage mechanism includes a third electromagnetic three-way reversing valve (20) connected to the pumping pipe (5), and an outward drainage pipe (21) connected to the third electromagnetic three-way reversing valve (20). 8. A pump-spray type automatic metering and washing smart rice cooker according to claim 1, characterized in that: the smart rice cooker also includes a rice washing water recovery mechanism, and the rice washing water recovery mechanism includes a rice cooker ( 3) The outer rice washing water recovery tray (22), the rice washing water recovery tray (22) has a rice washing water recovery tray guide rail (23) at the bottom; the rice cooker (3) has a rice cooker guide rail (1) at the bottom. 9. A pump-spray type automatic metering and washing smart rice cooker according to any one of claims 1 to 8, characterized in that: the cover opening device includes a rice cooker cover arranged on and connected to the rice cooker (3) (24), the inside of the rice cooker cover (24) is provided with an internal lock switch, and the electric cooker (3) is provided with a rotating arm (26) outside, and the rotating arm (26) is provided with a drive mechanism, and the rotating arm (26) One end connects electric cooker lid (24) top, and its other end connects driving mechanism, and driving mechanism is that electric rice cooker lid controls stepping motor (27); Also be provided with rotating arm telescoping regulator (25) on the rotating arm (26). 10. Utilize the control method of a kind of pump-spray type full-automatic metering rice washing intelligent rice cooker described in claim 9, it is characterized in that, comprises the following steps: S1. The user sets the rice cooking setting and sends out an execution instruction, the central controller receives the cooking setting instruction, and the rice cooker lid is opened; S2. The rotating arm rotates to the rice washing position; S3. Measure the amount of water in the water sink to reach the predetermined amount of rice washing water; S4. The rice measuring and lowering device lowers the rice to reach the predetermined amount of rice; S5. The water pump circulates water and sprays water for the first rice washing; S6. The water is drained by the water pump, and the first rice washing is completed; S7. Wash the rice according to the setting of the number of rice washing times; S8. Measure the amount of water in the water sink to reach the predetermined amount of cooking water; S9. The rotating arm rotates to the non-washing rice position; S10. Close the lid of the rice cooker to cook rice, measure the water in the water sink and pump water to clean the pump and pipeline; S11. The rice cooker finishes cooking, and the alarm buzzer sounds.