Food processor and control method, device and readable storage medium thereof

Abstract

The application provides a food processor and a control method, device and readable storage medium thereof. The food processor comprises a working cavity and a pump body for injecting liquid into the working cavity. The control method comprises: controlling the pump body to start according to a first power; and after the pump body starts, controlling the pump body to operate according to a second power, wherein the first power is greater than the second power. By operating the control method, the probability of water injection failure caused by adhesion of a diaphragm inside the pump body can be reduced, thereby improving the reliability of pump body operation.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of control, in particular to a food processor and a control method, device and readable storage medium thereof. BACKGROUND

[0002] The existing automatic water adding food processor occasionally fails to add water. When the system detects water adding abnormity, it generally stops working and prompts the user to detect the pipeline. When restarting the work, the added food in the food processor also needs to be cleaned and added again.

[0003] Obviously, the existing solution to water adding failure is not user-friendly. How to improve the reliability of water adding is a problem to be solved at present. SUMMARY

[0004] The present application aims to at least solve one of the problems in the prior art or related art.

[0005] To this end, a first aspect of the present application provides a control method of a food processor.

[0006] A second aspect of the present application provides a control method of a food processor.

[0007] A third aspect of the present application provides a control device of a food processor.

[0008] A fourth aspect of the present application provides a control device of a food processor.

[0009] A fifth aspect of the present application provides a control device of a food processor.

[0010] A sixth aspect of the present application provides a readable storage medium.

[0011] A seventh aspect of the present application provides a food processor.

[0012] Therefore, according to a first aspect of the present application, a control method of a food processor is provided, the food processor comprising a working cavity and a pump body for adding liquid to the working cavity, the control method comprising: controlling the pump body to start according to a first power; after the pump body starts, controlling the pump body to run according to a second power, wherein the first power is greater than the second power.

[0013] The technical solution of the present application provides a control method of a food processor. By running the control method, the probability of water adding failure caused by adhesion of a diaphragm inside the pump body can be reduced, thereby improving the reliability of the pump body operation.

[0014] The technical solution of the present application is implemented based on the following principle. Specifically, in the pump body, the adhesion of the diaphragm increases the difficulty of starting the pump body. In the case of a certain degree of adhesion of the diaphragm, if the torque provided by the pump body when starting is small, the torque provided cannot separate the adhered diaphragm, and eventually the pump body fails to start.

[0015] Through research on the data of pump body start failure, it is found that the above-mentioned situation usually occurs in the scene of starting the pump body at low power.

[0016] In the above-mentioned case, in order to overcome the influence of pump body start failure on water adding, the technical solution of the present application controls the pump body to start at a relatively large power first, and then adds water at a relatively small power. By controlling the pump body to start at a relatively large power, a large enough torque is provided to overcome the problem of adhesion of the diaphragm in the pump body. In this process, the success rate of starting the pump body can be improved, and therefore the reliability of water adding of the food processor can be improved.

[0017] In addition, the control method of the food processor proposed in the present application also has the following additional technical features.

[0018] In the above technical solution, it also includes: obtaining the required water injection flow of the pump body; determining the second power according to the required water injection flow.

[0019] In this technical solution, the determination method of the second power is specifically limited. Specifically, the required water injection flow of the pump body is obtained to determine the second power according to the required water injection flow. In this process, the second power is determined according to the flow of the pump body to adapt the second power to the flow, avoid the influence of power fluctuation on the injection amount, and improve the precision of pump body water adding control.

[0020] In any of the above technical solutions, it also includes: obtaining the timing duration since the pump body starts according to the first power; determining that the pump body starts in the case that the timing duration is greater than or equal to the first duration.

[0021] In the above technical solution, the determination strategy of the pump body start operation is specifically limited. In this process, the duration of the pump body starting at the first power, i.e. the timing duration, is recorded to determine whether the pump body starts by using the timing duration. Specifically, in the case that the timing duration exceeds the first duration set by the preset, it is considered that the pump body starts. Otherwise, in the case that the timing duration does not reach the first duration, it is considered that the pump body has not started.

[0022] Through the above-mentioned solution, the starting parameters of the pump body are parameterized to find the opportunity to switch the power of the pump body from the first power to the second power, thereby improving the reliability of the control of the food processor.

[0023] In any of the above technical solutions, the food processor further comprises a motor and a stirring element in driving connection with the motor, the stirring element being located in the working cavity, and the control method further comprises: controlling the motor to drive the stirring element to rotate.

[0024] In this technical solution, the stirring element is arranged to stir the food materials in the working cavity during rotation, thereby facilitating the mixing of the food materials and the liquid in the working cavity.

[0025] In one of the technical solutions, the motor is controlled to drive the stirring element to operate at a first rotating speed for a second time length, so as to ensure that the food materials and the liquid are fully mixed.

[0026] In one of the technical solutions, the first rotating speed and the second time length are positively correlated with the amount of food materials and the amount of liquid in the working cavity, for example, the greater the amount of food materials and the amount of liquid, the greater the values of the first rotating speed and the second time length.

[0027] In one of the technical solutions, the first rotating speed and the second time length are also positively correlated with a ratio, wherein the ratio is the ratio of the amount of food materials to the amount of liquid.

[0028] In any of the above technical solutions, the food processor further comprises a pressing cylinder in communication with the working cavity, and a screw in driving connection with the motor and located in the pressing cylinder, and the control method further comprises: controlling the motor to drive the screw to rotate.

[0029] In this technical solution, the screw is driven to rotate to extrude the mixture of the food materials and the liquid in the working cavity from the pressing cylinder, specifically, the material in the gap between adjacent threads of the screw is pushed away from the working cavity under the rotation of the screw, thereby achieving discharging.

[0030] In one of the technical solutions, the screw rotates at a second rotating speed for a third time length, wherein the values of the second rotating speed and the third time length are positively correlated with the discharging speed.

[0031] In any of the above technical solutions, the food processor comprises any one of a noodle maker, a pastry robot, a blender, and a juicer.

[0032] According to a second aspect of the present application, the present application provides a control method of a food processor, the food processor comprising a working cavity, a pump body for injecting liquid into the working cavity, and a flow meter located on a liquid supply circuit of the pump body, the control method comprising: obtaining an injection flow rate of the pump body per unit time and a pulse number of the flow meter per unit time; and selecting to control the operation of the pump body according to the running time of the flow meter or the pump body according to the comparison result of the numerical interval corresponding to the pulse number and the injection flow rate.

[0033] In the technical solution, a control method of the food processing machine is provided, by running the control method, whether the flow meter is faulty can be diagnosed, and in the case that the flow meter is faulty, the control strategy of the pump body is switched, so as to improve the reliability of liquid injection of the pump body.

[0034] The above technical solution is realized based on the following principle, specifically, in the case that there are small impurities in the liquid, the flow meter is easily blocked, so that the counting of the flow meter is inaccurate.

[0035] In order to avoid the influence of the fault of the flow meter on the reliability of liquid injection of the food processing machine, the technical solution of the present application diagnoses the fault of the flow meter, by obtaining the pulse number of the flow meter in unit time and the liquid injection flow of the pump body in unit time, so as to compare the value interval corresponding to the pulse number and the liquid injection flow, so as to diagnose the flow meter by using the comparison result, and select different ways to control the operation of the pump body according to the diagnosis result.

[0036] In addition, the control method of the food processing machine provided by the present application also has the following additional technical features.

[0037] In the above technical solution, in the case that the pulse number is located outside the value interval corresponding to the liquid injection flow, the operation of the pump body is controlled according to the liquid injection time length of the pump body; in the case that the pulse number is located within the value interval corresponding to the liquid injection flow, the operation of the pump body is controlled according to the flow meter.

[0038] In order to avoid the above situation, the operation of the pump body can be controlled according to the liquid injection time length of the pump body, so as to provide accurate liquid to the working cavity, reduce the probability of liquid injection failure, and improve the reliability of the food processing machine.

[0039] In any of the above technical solutions, the operation of the pump body is controlled according to the flow meter, specifically including: determining the total pulse number according to the liquid demand of the working cavity and the liquid injection flow of the pump body in unit time; controlling the pump body to operate until the pulse count of the flow meter is greater than or equal to the total pulse number.

[0040] In the technical solution, how to control the operation of the pump body according to the flow meter is limited, in the above solution, in the case that the liquid demand is certain, the total pulse number when the pump body operates is also fixed, therefore, in the case that the total pulse number of the flow meter is determined, the operation of the pump body can be controlled according to the comparison result of the current pulse number and the total pulse number, so as to realize accurate control of the liquid injection amount.

[0041] Specifically, in the case that the pulse number is less than the total pulse number, the pump body is controlled to operate to inject liquid into the working cavity, and in the case that the pulse number is greater than or equal to the total pulse number, it is considered that the liquid injection amount of the current working cavity reaches the liquid demand, at this time, the pump body is controlled to stop operating, so as to ensure accurate control of the liquid injection amount.

[0042] In the technical solution, when the required liquid amount and the injection flow rate of the pump body per unit time are determined, the injection duration of the pump body can be determined, and when the pulse number of the flow meter under the injection flow rate is determined, the total pulse number can be determined according to the pulse number and the injection duration, so that the operation of the pump body is controlled according to the total pulse number, to achieve accurate injection.

[0043] In any of the above technical solutions, the operation of the pump body is controlled according to the injection duration of the pump body, specifically including: controlling the operation of the pump body until the operation duration of the pump body is greater than or equal to the injection duration.

[0044] In the technical solution, how to control the operation of the pump body according to the injection duration is specifically limited. In the technical solution, the way of controlling the operation of the pump body according to the injection duration cannot be compared with the scheme of controlling the operation of the pump body according to the flow meter in terms of the accuracy control of the injection amount, but because of the existence of the scheme of controlling the operation of the pump body according to the injection duration, it can be ensured that the scheme of controlling the operation of the pump body according to the flow meter still has the control logic of injection in the case of abnormality, that is, the scheme of controlling the operation of the pump body according to the injection duration plays a role in improving the reliability of injection.

[0045] In the technical solution, the operation duration of the pump body is compared with the injection duration, so as to determine whether the injection is completed according to the comparison result. In the case that the operation duration is less than the injection duration, it is considered that the injection of the food processor has not ended, and in the case that the operation duration is greater than or equal to the injection duration, it is considered that the injection of the food processor is ended.

[0046] In any of the above technical solutions, the injection duration is determined according to the required liquid amount of the working chamber and the injection flow rate of the pump body per unit time.

[0047] In the scheme, the determination method of the injection duration is specifically limited, which is consistent with the above, and will not be repeated here.

[0048] In any of the above technical solutions, before the operation of the pump body is controlled according to the injection duration of the pump body, the running current of the pump body is obtained, and the first reminding information is outputted in the case that the running current is greater than the preset current.

[0049] In the scheme, the scheme of how to detect whether the pump body is faulty is specifically limited. In the scheme, in the case that the pump body is detected to be faulty, the first reminding information can be directly outputted, so that the user can maintain the faulty pump body in time after receiving the first reminding information.

[0050] In addition, the above technical solutions of the present application specifically define how to diagnose whether the pump body is malfunctioning. Generally, when the pump body is malfunctioning, the operating current is relatively small and does not exceed the preset current. Therefore, the preset current can be used to detect the pump body malfunction.

[0051] In any of the above technical solutions, the food processor further comprises a detection member for obtaining liquid injection information in the working cavity. Before controlling the operation of the pump body according to the liquid injection time of the pump body, the control method further comprises: determining the operating state of the pump body according to the liquid injection information; and outputting second reminder information when the operating state does not meet the preset operating requirements.

[0052] In this technical solution, another scheme for detecting pump body malfunction is specifically defined. In this scheme, the detection member in the food processor is used to indirectly detect whether the pump body is malfunctioning. In this scheme, the detection of the pump body malfunction state does not detect the parameters of the pump body. Therefore, this scheme has high reliability.

[0053] Specifically, the detection member is used to detect the liquid injection information in the working cavity, so as to determine the state of the pump body by using the liquid injection information. When the operating state of the pump body does not meet the preset operating requirements, the user is reminded to timely handle the pump body malfunction by outputting second reminder information.

[0054] In the above technical solution, the liquid injection information can be the difference in liquid level before and after injection, or the difference in weight of the liquid before and after injection.

[0055] In the above technical solution, the operating state of the pump body determined according to the liquid injection information can be normal injection amount, insufficient injection amount, or excessive injection amount.

[0056] Among them, insufficient injection amount and excessive injection amount are preset operating requirements.

[0057] In the above technical solution, the first reminder information and the second reminder information can be the same information. The forms of the first reminder information and the second reminder information can be light, sound, short message, etc.

[0058] In any of the above technical solutions, the food processor further comprises: a motor and a stirring member drivingly connected to the motor, the stirring member being located in the working cavity. The control method further comprises: controlling the motor to drive the stirring member to rotate.

[0059] In any of the above technical solutions, the food processor further comprises: a squeezing cylinder communicating with the working cavity; and a screw drivingly connected to the motor and located in the squeezing cylinder. The control method further comprises: controlling the motor to drive the screw to rotate.

[0060] In the technical solution, the stirring part is arranged to stir the food materials in the working cavity during rotation, so as to promote the mixing of the food materials and the liquid in the working cavity.

[0061] In one of the technical solutions, the control motor drives the stirring part to operate at the third rotating speed for the fifth time length, so as to ensure that the food materials and the liquid are fully mixed.

[0062] In one of the technical solutions, the third rotating speed and the fifth time length are positively correlated with the amount of food materials and the amount of liquid in the working cavity, for example, the greater the amount of food materials and the amount of liquid, the greater the third rotating speed and the fifth time length.

[0063] In one of the technical solutions, the third rotating speed and the fifth time length are also positively correlated with the ratio, where the ratio is the ratio of the amount of food materials to the amount of liquid.

[0064] In any of the above technical solutions, the food processor further comprises: a squeezing cylinder in communication with the working cavity; and a screw connected to the motor drive and located in the squeezing cylinder, and the control method further comprises: controlling the motor to drive the screw to rotate.

[0065] In the technical solution, the screw is driven to rotate to squeeze the mixture of the food materials and the liquid in the working cavity out of the squeezing cylinder, specifically, the material in the gap between adjacent threads of the screw is pushed away from the working cavity under the rotation of the screw, thereby achieving discharging.

[0066] In one of the technical solutions, the screw rotates at a fourth rotating speed for a sixth time length, where the fourth rotating speed and the sixth time length are positively correlated with the discharging speed.

[0067] In any of the above technical solutions, the food processor comprises any one of a noodle maker, a pastry robot, a blender, and a juicer.

[0068] According to a third aspect of the present application, the present application provides a control device of a food processor, the food processor comprising a working cavity and a pump body for injecting liquid into the working cavity, the control device comprising: a first control unit for controlling the pump body to start at a first power; and a second control unit for controlling the pump body to operate at a second power after the pump body is started, wherein the first power is greater than the second power.

[0069] The technical solution of the present application provides a control device of a food processor, and the food processor with the control device can reduce the probability of water injection failure caused by adhesion of a diaphragm inside the pump body, thereby improving the reliability of the pump body operation.

[0070] The technical solution of the present application is realized based on the following principle. Specifically, in the pump body, the adhesion of the diaphragm increases the difficulty of starting the pump body. In the case of a certain degree of adhesion of the diaphragm, if the torque provided by the pump body when starting is small, the torque provided cannot separate the adhered diaphragm, and eventually the pump body fails to start.

[0071] Through research on the data of pump body start failure, it is found that the above-mentioned situation usually occurs in the scene of starting the pump body at low power.

[0072] In the above-mentioned case, in order to overcome the influence of pump body start failure on water adding, the technical solution of the present application controls the pump body to start at a relatively large power first, and then adds water at a relatively small power. By controlling the pump body to start at a relatively large power, a large enough torque can be provided to overcome the problem of adhesion of the diaphragm in the pump body. In this process, the success rate of starting the pump body can be improved, and therefore the reliability of water adding of the food processor can be improved.

[0073] In the above-mentioned technical solution, the first power can be the maximum power of the pump body, wherein the maximum power is the maximum movement power that the pump body can tolerate. By limiting the first power to be the maximum power, the pump body can provide the maximum torque, so as to increase the probability of starting the pump body, and to maximize the reliability of water adding of the food processor.

[0074] In the above-mentioned technical solution, the first power can be the rated power of the pump body, wherein the rated power is the power recorded on the nameplate of the pump body. By limiting the first power to be the rated power, the pump body can be protected to the maximum extent while providing a large torque and increasing the probability of starting the pump body, so as to reduce the probability of the pump body being burned due to excessive running power.

[0075] In addition, the control device of the food processor provided by the present application also has the following additional technical features.

[0076] In the above-mentioned technical solution, the second control unit is further configured to: acquire a required water injection flow of the pump body; and determine the second power according to the required water injection flow.

[0077] In this technical solution, the determination method of the second power is specifically limited. Specifically, the required water injection flow of the pump body is acquired, and the second power is determined according to the required water injection flow. In this process, the second power is determined according to the flow of the pump body, so that the second power is adapted to the flow, avoiding the influence of power fluctuation on the injection amount, thereby improving the precision of pump body water adding control.

[0078] In the above-mentioned technical solution, the required water injection flow can be understood as the required water injection flow, that is, the water injection flow provided by the pump body.

[0079] In the technical solution, the demand water injection flow rate can be determined according to the liquid demand, and specifically, when the liquid demand in the working chamber is large, the demand water injection flow rate is large, and vice versa, when the liquid demand in the working chamber is small, the demand water injection flow rate is small. In this process, when the liquid demand is large, the demand water injection flow rate is large, so as to reduce the water injection time, and vice versa, when the liquid demand is small, the demand water injection flow rate is small, so as to provide a fine water injection control strategy, thereby improving the accuracy of the liquid injection amount.

[0080] In the technical solution, the mapping relationship between the demand water injection flow rate and the second power can be set in advance, so that when the demand water injection flow rate is determined, the second power can be directly determined according to the mapping relationship.

[0081] In the technical solution, the second power is determined by calculation each time, so that the data processing amount of the food processor is reduced while the determination scheme of the second power is simplified, thereby reducing the power consumption of the food processor.

[0082] In any of the technical solutions, the second control unit is further configured to: acquire a timing duration since the pump body is started at the first power; and determine that the pump body is started when the timing duration is greater than or equal to a first time duration.

[0083] In the technical solution, the determination strategy of the pump body starting operation is specifically limited, and in this process, the duration of the pump body starting at the first power, that is, the timing duration, is recorded, so as to determine whether the pump body is started by using the timing duration. Specifically, when the timing duration exceeds the first time duration set in advance, it is considered that the pump body is started, and vice versa, when the timing duration does not reach the first time duration, it is considered that the pump body has not been started.

[0084] Through the above scheme, the starting parameter of the pump body is parameterized, so that the timing of switching the power of the pump body from the first power to the second power can be found, thereby improving the reliability of the control of the food processor.

[0085] In any of the technical solutions, the food processor further comprises a motor and a stirring element drivingly connected to the motor, the stirring element being located in the working chamber, and the second control unit is further configured to control the motor to drive the stirring element to rotate.

[0086] In the technical solution, the stirring element is provided, so that the food material in the working chamber is stirred in the process of rotating the stirring element, thereby promoting the sufficient mixing between the food material and the liquid in the working chamber.

[0087] In one of the technical solutions, the motor is controlled to drive the stirring element to rotate at the first rotational speed for the second time duration, so as to ensure that the food material and the liquid are sufficiently mixed.

[0088] In one of the technical solutions, the first rotation speed and the second time length are positively correlated with the amount of food materials and the amount of liquid in the working cavity, for example, the greater the amount of food materials and the amount of liquid, the greater the first rotation speed and the second time length.

[0089] In one of the technical solutions, the first rotation speed and the second time length are also positively correlated with a ratio, where the ratio is the ratio of the amount of food materials to the amount of liquid.

[0090] In any of the above technical solutions, the food processor further comprises: a squeezing cylinder in communication with the working cavity; a screw rod driven by the motor and located in the squeezing cylinder; and the second control unit is further configured to control the motor to drive the screw rod to rotate.

[0091] In this technical solution, the screw rod is driven to rotate so as to squeeze the mixture of food materials and liquid in the working cavity out of the squeezing cylinder, specifically, during the rotation of the screw rod, the material in the gap between adjacent threads of the screw rod is pushed away from the working cavity under the rotation of the screw rod, thereby achieving discharging.

[0092] In one of the technical solutions, the screw rod rotates at a second rotation speed for a third time length, where the second rotation speed and the third time length are positively correlated with the discharging speed.

[0093] In any of the above technical solutions, the food processor comprises any one of a noodle maker, a pastry robot, a blender, and a juicer.

[0094] According to a fourth aspect of the present application, the present application provides a control device of a food processor, the food processor comprising a working cavity, a pump body for injecting liquid into the working cavity, and a flow meter located on a liquid supply circuit of the pump body, the control device comprising: an acquisition unit configured to acquire an injection flow rate of the pump body per unit time and a pulse number of the flow meter per unit time; and a comparison unit configured to select a control strategy of the pump body according to a comparison result of a numerical interval corresponding to the injection flow rate and the pulse number.

[0095] In this technical solution, a control device of a food processor is provided, and the food processor with the control device can diagnose whether the flow meter is faulty, and in the case that the flow meter is faulty, the control strategy of the pump body is switched, so as to improve the reliability of the pump body in injecting liquid.

[0096] The above technical solution is based on the following principle, specifically, in the case that there are small impurities in the liquid, the flow meter is easily blocked, and the counting of the flow meter is inaccurate.

[0097] In order to avoid the influence of the failure of the flow meter on the reliability of the liquid injection of the food processor, the technical scheme of the present application can diagnose the failure of the flow meter, which obtains the pulse number of the flow meter in a unit time and the liquid injection flow of the pump body in a unit time, compares the value interval corresponding to the pulse number and the liquid injection flow, diagnoses the flow meter by using the comparison result, and controls the operation of the pump body in different ways according to the diagnosis result.

[0098] In the above scheme, the control scheme of the pump body is no longer one, but can be selected according to the failure detection result of the flow meter, so that the influence of the flow meter on the liquid injection control of the food processor can be reduced, thereby improving the reliability of the food processor.

[0099] In the above technical scheme, the unit time can be understood as a fixed time length, wherein the fixed time length can be one minute, one second, one millisecond, etc.

[0100] In addition, the control device of the food processor provided by the present application also has the following additional technical features.

[0101] In the above technical scheme, the comparison unit is specifically configured to: in the case that the pulse number is located outside the value interval corresponding to the liquid injection flow, control the operation of the pump body according to the liquid injection time length of the pump body; and in the case that the pulse number is located within the value interval corresponding to the liquid injection flow, control the operation of the pump body according to the flow meter.

[0102] In the above scheme, in the case that the pulse number is located within the value interval, it is considered that the pulse number of the flow meter is not a problem, that is, the diagnosis result of the flow meter is normal, at this time, the operation of the pump body can be controlled according to the flow meter; otherwise, in the case that the pulse number is located outside the value interval, it is considered that the flow meter has failed, at this time, if the operation of the pump body is still controlled according to the flow meter, the problem of inaccurate liquid injection amount will be caused.

[0103] In order to avoid the above situation, the operation of the pump body can be controlled according to the liquid injection time length of the pump body, so as to provide accurate liquid to the working cavity, reduce the probability of liquid injection failure, and improve the reliability of the food processor.

[0104] In any of the above technical schemes, the comparison unit is specifically configured to: determine the total pulse number according to the liquid demand amount of the working cavity and the liquid injection flow of the pump body in a unit time; and control the operation of the pump body until the pulse count of the flow meter is greater than or equal to the total pulse number.

[0105] In the technical solution, how to control the operation of the pump body according to the flow meter is limited. In the above scheme, the total number of pulses when the pump body operates is fixed under the condition that the required liquid amount is constant. Therefore, under the condition that the total number of pulses of the flow meter is determined, the operation of the pump body can be controlled according to the comparison result of the current pulse number and the total number of pulses, so as to realize accurate control of the injection amount.

[0106] Specifically, in the case that the pulse number is less than the total number of pulses, the pump body is controlled to operate to inject liquid into the working chamber, and in the case that the pulse number is greater than or equal to the total number of pulses, it is considered that the injection amount of the current working chamber reaches the required liquid amount. At this time, the pump body is controlled to stop operating, so as to ensure accurate control of the injection amount.

[0107] In the above technical solution, under the condition that the required liquid amount and the injection flow rate of the pump body per unit time are determined, the injection time length of the pump body can be determined. Under the condition that the pulse number of the flow meter under the injection flow rate is determined, the total number of pulses can be determined according to the pulse number and the injection time length, so as to control the operation of the pump body according to the total number of pulses to realize accurate injection.

[0108] In the above technical solution, the ratio of the required liquid amount to the injection flow rate per unit time is taken as the injection time length.

[0109] In the above technical solution, the product of the pulse number and the injection time length is taken as the total number of pulses.

[0110] In any of the above technical solutions, the comparison unit is specifically configured to: control the pump body to operate until the operation time length of the pump body is greater than or equal to the injection time length.

[0111] In the technical solution, how to control the operation of the pump body according to the injection time length is specifically limited. In the technical solution, the way of controlling the operation of the pump body by using the injection time length cannot be comparable to the scheme of controlling the operation of the pump body according to the flow meter in terms of the accuracy control of the injection amount. However, due to the existence of the scheme of controlling the operation of the pump body according to the injection time length, it can be ensured that in the case that the scheme of controlling the operation of the pump body according to the flow meter has an abnormality, there is still a control logic that can inject liquid, that is, the scheme of controlling the operation of the pump body according to the injection time length plays a role in improving the reliability of the injection.

[0112] In the above technical solution, the operation time length of the pump body is compared with the injection time length, so as to determine whether the injection is completed according to the comparison result. In the case that the operation time length is less than the injection time length, it is considered that the injection of the food processor has not ended, and in the case that the operation time length is greater than or equal to the injection time length, it is considered that the injection of the food processor is ended.

[0113] In the above technical solution, the operation time length can be periodically acquired, such as once every fourth time length. The value of the fourth time length can be 1 second, 50 milliseconds, etc.

[0114] In any of the above technical solutions, the comparison unit is further configured to determine the liquid injection duration according to the liquid demand of the working cavity and the liquid injection flow rate of the pump body per unit time.

[0115] In this solution, the determination manner of the liquid injection duration is specifically limited, which is consistent with the above, and will not be repeated here.

[0116] In any of the above technical solutions, the comparison unit is further configured to obtain the operating current of the pump body, and output the first reminder information in a case where the operating current is greater than a preset current.

[0117] In this solution, the scheme of how to detect whether the pump body is faulty is specifically limited, and in a case where it is detected that the pump body is faulty, the first reminder information can be directly outputted, so that the user can maintain the faulty pump body in a timely manner after receiving the first reminder information.

[0118] In addition, the above technical solutions of the present application specifically limit how to diagnose whether the pump body is faulty. Generally, when the pump body is faulty, the operating current is relatively small and will not exceed the preset current, so the preset current can be used to detect the pump body fault.

[0119] In any of the above technical solutions, the food processor further comprises a detection member configured to obtain liquid injection information in the working cavity, and before controlling the operation of the pump body according to the liquid injection duration of the pump body, the comparison unit is further configured to determine the operating state of the pump body according to the liquid injection information, and output the second reminder information in a case where the operating state does not meet the preset operating requirement.

[0120] In this technical solution, another scheme for detecting whether the pump body is faulty is specifically limited, and in this scheme, the detection member in the food processor is used to indirectly detect whether the pump body is faulty. In this scheme, the detection of the pump body fault state does not detect the parameters of the pump body, so this scheme has high reliability.

[0121] Specifically, the detection member is used to detect the liquid injection information in the working cavity, so as to determine the state of the pump body by using the liquid injection information, and in a case where the operating state of the pump body does not meet the preset operating requirement, the user is reminded to handle the fault of the pump body in a timely manner by outputting the second reminder information.

[0122] In the above technical solution, the liquid injection information can be the difference in liquid level before and after liquid injection, or the difference in weight of the liquid before and after liquid injection.

[0123] In the above technical solution, the operating state of the pump body determined according to the liquid injection information can be normal liquid injection amount, insufficient liquid injection amount, or excessive liquid injection amount.

[0124] The insufficient injection amount and the excessive injection amount are preset operating requirements.

[0125] In the above technical solution, the first reminder information and the second reminder information can be the same information, and the forms of the first reminder information and the second reminder information can be light, sound, short message, etc.

[0126] In any of the above technical solutions, the food processor further comprises a motor and a stirring piece in driving connection with the motor, the stirring piece being located in the working cavity, and the comparison unit is further configured to control the motor to drive the stirring piece to rotate.

[0127] In any of the above technical solutions, the food processor further comprises a squeezing cylinder in communication with the working cavity, and a screw in driving connection with the motor and located in the squeezing cylinder, and the comparison unit is further configured to control the motor to drive the screw to rotate.

[0128] In the technical solution, the stirring piece is arranged to stir the food materials in the working cavity during rotation, so as to promote the mixing of the food materials and the liquid in the working cavity.

[0129] In one of the technical solutions, the motor is controlled to drive the stirring piece to operate at the third rotating speed for the fifth time length, so as to ensure that the food materials and the liquid are fully mixed.

[0130] In one of the technical solutions, the third rotating speed and the fifth time length are positively correlated with the amount of the food materials and the amount of the liquid in the working cavity, for example, the greater the amount of the food materials and the amount of the liquid, the greater the values of the third rotating speed and the fifth time length.

[0131] In one of the technical solutions, the third rotating speed and the fifth time length are also positively correlated with a ratio, and the ratio is the ratio of the amount of the food materials to the amount of the liquid.

[0132] In any of the above technical solutions, the food processor further comprises a squeezing cylinder in communication with the working cavity, and a screw in driving connection with the motor and located in the squeezing cylinder, and the control method further comprises controlling the motor to drive the screw to rotate.

[0133] In the technical solution, the screw is driven to rotate to squeeze the mixture of the food materials and the liquid in the working cavity out of the squeezing cylinder, specifically, the materials in the gaps between adjacent threads of the screw are pushed away from the working cavity under the rotation of the screw, so as to realize discharging.

[0134] In one of the technical solutions, the screw rotates at a fourth rotating speed for a sixth time length, and the values of the fourth rotating speed and the sixth time length are positively correlated with the discharging speed.

[0135] In any of the above technical solutions, the food processor comprises any one of a noodle maker, a pastry robot, a blender, and a juicer.

[0136] According to the five aspects of the present application, the present application provides a control device of a food processor, comprising a controller and a memory, wherein the memory stores programs or instructions, and the controller implements the steps of the method according to any of the above aspects when executing the programs or instructions in the memory.

[0137] According to the six aspects of the present application, the present application provides a readable storage medium, which stores programs or instructions, and the programs or instructions are executed by a processor to implement the steps of the method according to any of the above aspects.

[0138] According to the seven aspects of the present application, the present application provides a food processor, comprising a control device of a food processor according to any of the above aspects, or a readable storage medium according to the above.

[0139] Additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter. BRIEF DESCRIPTION OF DRAWINGS

[0140] The above and / or additional aspects and advantages of the present application will become apparent and be readily appreciated from the following description, including the appended drawings.

[0141] Figure 1 One of flowcharts of a control method of a food processor in an embodiment of the present application is shown;

[0142] Figure 2 Another of flowcharts of a control method of a food processor in an embodiment of the present application is shown;

[0143] Figure 3 One of schematic block diagrams of a control device of a food processor in an embodiment of the present application is shown;

[0144] Figure 4 Another of schematic block diagrams of a control device of a food processor in an embodiment of the present application is shown. DETAILED DESCRIPTION

[0145] In order to enable anyone skilled in the art to better understand the above aspects, features and advantages of the present application, the present application will be further described in detail below with reference to the drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0146] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced without the specific details set forth in this description. In other instances, well-known methods, procedures, components, and circuits have not been described in detail so as not to unnecessarily obscure aspects of the present application.

[0147] Embodiment one

[0148] As shown in the following, according to a first aspect of the present application, the present application provides a control method of a food processor, the food processor comprising a working cavity and a pump body for injecting liquid into the working cavity, the control method comprising: Figure 1 Step 102, controlling the pump body to start according to a first power;

[0149] Step 104, after the pump body starts, controlling the pump body to run according to a second power, wherein the first power is greater than the second power.

[0150] Embodiments of the present application provide a control method of a food processor, by running the control method, the probability of water adding failure caused by the adhesion of the diaphragm inside the pump body can be reduced, thereby improving the reliability of the pump body operation.

[0151] Embodiments of the present application are based on the following principle, specifically, inside the pump body, the adhesion of the diaphragm will increase the difficulty of starting the pump body, under the condition that the adhesion degree of the diaphragm is certain, if the torque provided by the pump body when starting is small, the torque provided cannot separate the adhesion diaphragm, which will eventually cause the pump body to fail to start.

[0152] Through the research on the data of the pump body starting failure, it is found that the above-mentioned situation usually occurs in the scene of the pump body starting at low power.

[0153] In the above-mentioned situation, in order to overcome the influence of the pump body starting failure on water adding, embodiments of the present application control the pump body to start at a relatively large power first, and then add water at a relatively small power, by controlling the pump body to start at a relatively large power, a large enough torque can be provided to overcome the problem of the adhesion of the diaphragm inside the pump body, in this process, the success rate of the pump body starting can be improved, thus the reliability of the water adding of the food processor can be improved.

[0154] In the above-mentioned embodiment, the first power can be the maximum power of the pump body, wherein the maximum power is the maximum movement power that the pump body can tolerate, by limiting the first power to be the maximum power, the pump body can provide the maximum torque, so as to increase the probability of the pump body starting, so as to maximize the reliability of the water adding of the food processor.

[0155]

[0156] ​In the above embodiment, the first power can be a rated power of the pump body, wherein the rated power is a power recorded on a nameplate of the pump body, by limiting the first power to the rated power, the pump body is protected to the maximum extent while increasing the probability of starting the pump body to provide greater torque, and the probability of the pump body being burned due to excessive power during operation is reduced.

[0157] Embodiment two

[0158] In the above embodiment, further comprising: obtaining a required water injection flow of the pump body; and determining the second power according to the required water injection flow.

[0159] In this embodiment, the determination method of the second power is specifically limited, specifically, the required water injection flow of the pump body is obtained, and the second power is determined according to the required water injection flow, in this process, the second power is determined according to the flow of the pump body, so that the second power is matched with the flow, avoiding the influence of power fluctuation on the injection amount, thereby improving the accuracy of the pump body water adding control.

[0160] In the above embodiment, the required water injection flow can be understood as the required water injection flow, that is, the water injection flow provided by the pump body.

[0161] In the above embodiment, the required water injection flow can be determined according to the required liquid amount, specifically, in the case that the required liquid amount in the working cavity is large, the required water injection flow is large, and vice versa, in the case that the required liquid amount in the working cavity is small, the required water injection flow is small, in this process, by limiting the required water injection flow to be large in the case that the required liquid amount is large, the water injection time is reduced, and vice versa, in the case that the required liquid amount is small, the required water injection flow is small, so as to provide a fine water adding control strategy, thereby improving the accuracy of the injection amount.

[0162] In the above embodiment, the mapping relationship between the required water injection flow and the second power can be set in advance, so that in the case of determining the required water injection flow, the second power can be directly determined according to the mapping relationship.

[0163] In the above scheme, the second power is determined by calculation every time, therefore, the determination scheme of the second power is simplified, the data processing amount of the food processor is reduced, and the power consumption of the food processor is reduced.

[0164] Embodiment three

[0165] In any of the above embodiments, further comprising: obtaining a timing duration from the start of the pump body starting according to the first power; and determining that the pump body starts in the case that the timing duration is greater than or equal to the first duration.

[0166] In the above embodiments, the determination strategy of starting the operation of the pump body is specifically defined, and in the process, the duration of starting the pump body at the first power is recorded, that is, the timing duration, so as to determine whether the pump body is started by using the timing duration, specifically, if the timing duration exceeds the first duration set in advance, it is considered that the pump body is started, otherwise, if the timing duration does not reach the first duration, it is considered that the pump body has not been started.

[0167] By the above scheme, the starting parameter of the pump body is parameterized, so that the timing of switching the power of the pump body from the first power to the second power can be found, thereby improving the reliability of the control of the food processor.

[0168] In any of the above embodiments, the food processor comprises any one of a noodle maker, a pastry robot, a blender, and a juicer.

[0169] Embodiment Four

[0170] In one of the embodiments, the food processor further comprises a motor and a stirring piece in driving connection with the motor, the stirring piece being located in the working cavity, and the control method further comprises: controlling the motor to drive the stirring piece to rotate.

[0171] In this embodiment, by providing the stirring piece, the food material in the working cavity is stirred in the process of rotation of the stirring piece, so as to promote the sufficient mixing between the food material and the liquid in the working cavity.

[0172] In one of the embodiments, the control motor drives the stirring piece to operate at the first rotating speed for the second duration, so as to ensure that the food material and the liquid are sufficiently mixed.

[0173] In one of the embodiments, the values of the first rotating speed and the second duration are positively correlated with the amount of the food material and the amount of the liquid in the working cavity, for example, the greater the amount of the food material and the amount of the liquid, the greater the values of the first rotating speed and the second duration.

[0174] In one of the embodiments, the values of the first rotating speed and the second duration are also positively correlated with a ratio, wherein the ratio is the ratio of the amount of the food material to the amount of the liquid.

[0175] In one of the embodiments, the food processor further comprises: an extrusion cylinder in communication with the working cavity; and a screw in driving connection with the motor and located in the extrusion cylinder, and the control method further comprises: controlling the motor to drive the screw to rotate.

[0176] In this embodiment, by driving the screw to rotate, the mixture of the food material and the liquid in the working cavity is extruded from the extrusion cylinder, specifically, in the process of rotation of the screw, the material in the gap between adjacent threads of the screw is pushed away from the working cavity under the rotation of the screw, thereby realizing the discharging.

[0177] In one of the embodiments, the screw rotates at a second rotation speed for a third time length, wherein the second rotation speed and the third time length are positively correlated with the discharging speed.

[0178] In one of the embodiments, the food processor further comprises a flow meter arranged on the liquid supply circuit of the pump body, and the control method further comprises: obtaining the liquid injection flow of the pump body per unit time and the pulse number of the flow meter per unit time; and selecting the operation of the pump body according to the comparison result of the numerical interval corresponding to the pulse number and the liquid injection flow.

[0179] In this embodiment, a control method of a food processor is provided, through which the diagnosis of whether the flow meter is faulty can be realized, and in the case that the flow meter is faulty, the control strategy of the pump body can be switched, so as to improve the reliability of liquid injection of the food processor.

[0180] The above embodiments are realized based on the following principle, specifically, in the case that there are small impurities in the liquid, the flow meter is easily blocked, so that the counting of the flow meter is inaccurate.

[0181] In order to avoid the influence of the fault of the flow meter on the reliability of liquid injection of the food processor, the embodiments of the present application diagnose the fault of the flow meter, which obtains the pulse number of the flow meter per unit time and the liquid injection flow of the pump body per unit time, so as to compare the numerical interval corresponding to the pulse number and the liquid injection flow, so as to diagnose the flow meter by using the comparison result, and select different ways to control the operation of the pump body according to the diagnosis result.

[0182] In the above scheme, the control scheme of the pump body is no longer one, but can be selected according to the fault detection result of the flow meter, so that the influence of the flow meter on the liquid injection control of the food processor can be reduced, thereby improving the reliability of the food processor.

[0183] In the above embodiments, the unit time can be understood as a fixed time length, wherein the fixed time length can be one minute, one second, one millisecond, etc.

[0184] In the above embodiments, in the case that the pulse number is located outside the numerical interval corresponding to the liquid injection flow, the operation of the pump body is controlled according to the liquid injection time length of the pump body; and in the case that the pulse number is located within the numerical interval corresponding to the liquid injection flow, the operation of the pump body is controlled according to the flow meter.

[0185] In this embodiment, the control logic of how to select the pump body according to the comparison result of the numerical interval corresponding to the pulse number and the injection flow is specifically defined. In the above scheme, when the pulse number is within the numerical interval, it is considered that the pulse number of the flowmeter is not a problem, that is, the diagnostic result of the flowmeter is normal, and at this time, the pump body can be controlled according to the flowmeter. On the contrary, in the case that the pulse number is out of the numerical range, it is considered that the flowmeter has failed, and at this time, if the pump body is still controlled according to the flowmeter, the injection amount will be inaccurate.

[0186] In order to avoid the above situation, the operation of the pump body can be controlled according to the injection time of the pump body, so as to provide accurate liquid to the working cavity, reduce the probability of injection failure, and improve the reliability of the food processor.

[0187] In any of the above embodiments, the operation of the pump body is controlled according to the flowmeter, specifically including: determining the total number of pulses according to the required liquid amount of the working cavity and the injection flow of the pump body per unit time; and controlling the pump body to operate until the pulse count of the flowmeter is greater than or equal to the total number of pulses.

[0188] In this embodiment, how to control the operation of the pump body according to the flowmeter is defined. In the above scheme, when the required liquid amount is constant, the total number of pulses during the operation of the pump body is also fixed, so that when the total number of pulses of the flowmeter is determined, the operation of the pump body can be controlled according to the comparison result of the current pulse number and the total number of pulses, so as to realize accurate control of the injection amount.

[0189] Specifically, in the case that the pulse number is less than the total number of pulses, the pump body is controlled to operate to inject liquid into the working cavity, and in the case that the pulse number is greater than or equal to the total number of pulses, it is considered that the injection amount of the current working cavity reaches the required liquid amount, and at this time, the pump body is controlled to stop operating to ensure accurate control of the injection amount.

[0190] In the above embodiment, when the required liquid amount and the injection flow of the pump body per unit time are determined, the injection time of the pump body can be determined, and when the pulse number of the flowmeter under the injection flow is determined, the total number of pulses can be determined according to the pulse number and the injection time, so as to control the operation of the pump body according to the total number of pulses to realize accurate injection.

[0191] In the above embodiment, the ratio of the required liquid amount to the injection flow per unit time is taken as the injection time.

[0192] In the above embodiment, the product of the pulse number and the injection time is taken as the total number of pulses.

[0193] In any of the above embodiments, the operation of the pump body is controlled according to the injection time of the pump body, specifically including: controlling the pump body to operate until the operation time of the pump body is greater than or equal to the injection time.

[0194] In this embodiment, it is specifically defined how to control the operation of the pump body according to the liquid injection time length. In this embodiment, the way of controlling the operation of the pump body according to the liquid injection time length cannot match the scheme of controlling the operation of the pump body according to the flow meter in the accuracy control of the liquid injection amount, but due to the existence of the scheme of controlling the operation of the pump body according to the liquid injection time length, it can be ensured that the control logic of liquid injection still exists in the case that the scheme of controlling the operation of the pump body according to the flow meter is abnormal, that is, the scheme of controlling the operation of the pump body according to the liquid injection time length plays a role in improving the reliability of liquid injection.

[0195] In the above embodiment, the running time length of the pump body is compared with the liquid injection time length, so as to determine whether the liquid injection is completed according to the comparison result. In the case that the running time length is less than the liquid injection time length, it is considered that the liquid injection of the food processor has not ended, and in the case that the running time length is greater than or equal to the liquid injection time length, it is considered that the liquid injection of the food processor is ended.

[0196] In the above embodiment, the running time length can be periodically acquired, such as once every fourth time length, wherein the value of the fourth time length can be 1 second, 50 milliseconds, etc.

[0197] In any of the above embodiments, the liquid injection time length is determined according to the liquid demand of the working cavity and the liquid injection flow rate of the pump body per unit time.

[0198] In this scheme, the determination method of the liquid injection time length is specifically defined, which is consistent with the above, and will not be repeated here.

[0199] In any of the above embodiments, before controlling the operation of the pump body according to the liquid injection time length of the pump body, the running current of the pump body is acquired, and in the case that the running current is greater than the preset current, the first reminding information is output.

[0200] In this scheme, the scheme of how to detect whether the pump body is faulty is specifically defined. In the case that the pump body is detected to be faulty, the first reminding information can be directly outputted, so that the user can maintain the faulty pump body in time after receiving the first reminding information.

[0201] In addition, the above embodiments of the present application specifically define how to diagnose whether the pump body is faulty. Generally, when the pump body is faulty, the running current is relatively small and will not exceed the preset current, so the preset current can be used to detect the fault of the pump body.

[0202] In any of the above embodiments, the food processor further comprises a detection member for acquiring liquid injection information in the working cavity, and before controlling the operation of the pump body according to the liquid injection time length of the pump body, the running state of the pump body is determined according to the liquid injection information, and in the case that the running state does not meet the preset running requirement, the second reminding information is outputted.

[0203] In this embodiment, another scheme for detecting pump body failure is specifically defined, in which indirect detection of whether the pump body is faulty is realized by using a detection member in the food processor, in which detection of the pump body failure state does not detect parameters of the pump body, and therefore, the scheme has strong reliability.

[0204] Specifically, the injection information in the working cavity is detected by using the detection member, so as to realize determination of the pump body state by using the injection information, and in the case where the running state of the pump body is inconsistent with the preset running requirement, the user is reminded to timely process the failure of the pump body by outputting the second reminding information.

[0205] In the above embodiment, the injection information can be the difference in liquid level before and after injection, or the difference in weight of the liquid before and after injection.

[0206] In the above embodiment, the running state of the pump body determined according to the injection information can be normal injection amount, or insufficient injection amount, or excessive injection amount.

[0207] Among them, insufficient injection amount and excessive injection amount are preset running requirements.

[0208] In the above embodiment, the first reminding information and the second reminding information can be the same information, in which the forms of the first reminding information and the second reminding information can be light, sound, short message, etc.

[0209] Embodiment five

[0210] In one possible embodiment, the present application provides a control method of a food processor, the food processor comprising a working cavity, a pump body for injecting liquid into the working cavity, a flow meter located on a liquid supply circuit of the pump body, as shown in Figure 2 The control method comprises:

[0211] Step 202, obtaining the injection flow of the pump body in a unit of time and the pulse number of the flow meter in a unit of time;

[0212] Step 204, according to the comparison result of the numerical interval corresponding to the pulse number and the injection flow, selecting to control the running of the pump body according to the running time of the flow meter or the pump body.

[0213] In this embodiment, a control method of a food processor is provided, by running the control method, diagnosis of whether the flow meter is faulty can be realized, and in the case where the flow meter is faulty, the control strategy of the pump body is switched, so as to improve the reliability of the injection of the pump body.

[0214] The above embodiment is implemented based on the following principle, specifically, in the case of existence of fine impurities in the liquid, the flow meter is easily blocked, so that the counting of the flow meter is inaccurate.

[0215] In order to avoid the influence of the failure of the flow meter on the reliability of the liquid injection of the food processor, the embodiment of the application can diagnose the failure of the flow meter, by obtaining the pulse number of the flow meter in a unit time and the liquid injection flow of the pump body in a unit time, so as to compare the value interval corresponding to the pulse number and the liquid injection flow, so as to diagnose the flow meter by using the comparison result, and select different ways to control the operation of the pump body according to the diagnosis result.

[0216] In the above scheme, the control scheme of the pump body is no longer one, but can be selected according to the failure detection result of the flow meter, so that the influence of the flow meter on the liquid injection control of the food processor is reduced, thereby improving the reliability of the food processor.

[0217] In the above embodiment, the unit time can be understood as a fixed time length, wherein the fixed time length can be one minute, one second, one millisecond, etc.

[0218] Embodiment six

[0219] In the above embodiment, in the case that the pulse number is located outside the value interval corresponding to the liquid injection flow, the operation of the pump body is controlled according to the liquid injection time length of the pump body; in the case that the pulse number is located within the value interval corresponding to the liquid injection flow, the operation of the pump body is controlled according to the flow meter.

[0220] In this embodiment, it is specifically limited that how to select the control logic of the pump body according to the comparison result of the value interval corresponding to the pulse number and the liquid injection flow, in the above scheme, in the case that the pulse number is located within the value interval, it is considered that the pulse number of the flow meter is not a problem, that is, the diagnosis result of the flow meter is normal, at this time, the operation of the pump body can be controlled according to the flow meter; on the contrary, in the case that the pulse number exceeds the value interval, it is considered that the flow meter has failed, at this time, if the operation of the pump body is still controlled according to the flow meter, the problem of inaccurate liquid injection amount will be caused.

[0221] In order to avoid the above situation, the operation of the pump body can be controlled according to the liquid injection time length of the pump body, so as to provide accurate liquid to the working cavity, reduce the probability of liquid injection failure, and improve the reliability of the food processor.

[0222] In any of the above embodiments, the operation of the pump body is controlled according to the flow meter, specifically including: determining the total number of pulses according to the liquid demand of the working cavity and the liquid injection flow of the pump body in a unit time; controlling the pump body to operate until the pulse count of the flow meter is greater than or equal to the total number of pulses.

[0223] In the embodiment, how to control the operation of the pump body according to the flow meter is defined. In the above scheme, the total number of pulses when the pump body operates is fixed under the condition that the required liquid amount is fixed. Therefore, under the condition that the total number of pulses of the flow meter is determined, the operation of the pump body can be controlled according to the comparison result of the current pulse number and the total number of pulses, so as to realize accurate control of the injection amount.

[0224] Specifically, in the case where the pulse number is less than the total number of pulses, the pump body is controlled to operate to inject liquid into the working chamber, and in the case where the pulse number is greater than or equal to the total number of pulses, it is considered that the injection amount of the current working chamber reaches the required liquid amount, at this time, the pump body is controlled to stop operating, so as to ensure accurate control of the injection amount.

[0225] In the above embodiment, under the condition that the required liquid amount and the injection flow rate of the pump body per unit time are determined, the injection time length of the pump body can be determined, and under the condition that the pulse number of the flow meter at the injection flow rate is determined, the total number of pulses can be determined according to the pulse number and the injection time length, so as to control the operation of the pump body according to the total number of pulses to realize accurate injection.

[0226] In the above embodiment, the ratio of the required liquid amount to the injection flow rate per unit time is taken as the injection time length.

[0227] In the above embodiment, the product of the pulse number and the injection time length is taken as the total number of pulses.

[0228] In any of the above embodiments, the operation of the pump body is controlled according to the injection time length of the pump body, specifically including: controlling the pump body to operate until the operation time length of the pump body is greater than or equal to the injection time length.

[0229] In the embodiment, how to control the operation of the pump body according to the injection time length is specifically defined. In the embodiment, the way of controlling the operation of the pump body according to the injection time length cannot match the scheme of controlling the operation of the pump body according to the flow meter in the accuracy control of the injection amount, but due to the existence of the scheme of controlling the operation of the pump body according to the injection time length, it can be ensured that the scheme of controlling the operation of the pump body according to the flow meter still has the control logic of injection under the condition that the scheme has an abnormality, that is, the scheme of controlling the operation of the pump body according to the injection time length plays a role in improving the reliability of injection.

[0230] In the above embodiment, the operation time length of the pump body is compared with the injection time length, so as to determine whether the injection is completed according to the comparison result. In the case where the operation time length is less than the injection time length, it is considered that the injection of the food processor has not ended, and in the case where the operation time length is greater than or equal to the injection time length, it is considered that the injection of the food processor is ended.

[0231] In the above embodiment, the operation time length can be periodically acquired, such as once every fourth time length, wherein the value of the fourth time length can be 1 second, 50 milliseconds, etc.

[0232] In any of the above embodiments, further comprising: determining the liquid injection duration according to the liquid demand of the working cavity and the liquid injection flow rate of the pump body per unit time.

[0233] In this scheme, the determination manner of the liquid injection duration is specifically limited, which is consistent with the above, and will not be repeated here.

[0234] Embodiment seven

[0235] In any of the above embodiments, before controlling the operation of the pump body according to the liquid injection duration of the pump body, further comprising: acquiring the operating current of the pump body; and in a case where the operating current is greater than a preset current, outputting first reminder information.

[0236] In this scheme, the scheme of how to detect whether the pump body is faulty is specifically limited, and in the case where it is detected that the pump body is faulty, the first reminder information can be directly outputted, so that the user can maintain the faulty pump body in time after receiving the first reminder information.

[0237] In addition, the above embodiments of the present application specifically limit how to diagnose whether the pump body is faulty. Generally, when the pump body is faulty, the operating current is relatively small and will not exceed the preset current, so the preset current can be used to detect the pump body fault.

[0238] Embodiment eight

[0239] In any of the above embodiments, the food processor further comprises a detection member for acquiring liquid injection information in the working cavity, and before controlling the operation of the pump body according to the liquid injection duration of the pump body, further comprising: determining the operating state of the pump body according to the liquid injection information; and in a case where the operating state does not meet the preset operating requirement, outputting second reminder information.

[0240] In this embodiment, another scheme for detecting whether the pump body is faulty is specifically limited, in which the detection member in the food processor is used to indirectly detect whether the pump body is faulty. In this scheme, the detection of the pump body fault state does not detect the parameters of the pump body, so the scheme has high reliability.

[0241] Specifically, the detection member is used to detect the liquid injection information in the working cavity, so as to determine the state of the pump body by using the liquid injection information, and in a case where the operating state of the pump body is inconsistent with the preset operating requirement, the user is reminded to handle the fault of the pump body by outputting the second reminder information.

[0242] In the above embodiments, the liquid injection information can be the difference in liquid level before and after injection, or the difference in weight of the liquid before and after injection.

[0243] In the above embodiments, the operation state of the pump body determined according to the liquid injection information can be normal liquid injection amount, can also be insufficient liquid injection amount, or can also be excessive liquid injection amount.

[0244] Among them, insufficient liquid injection amount and excessive liquid injection amount are preset operation requirements.

[0245] In the above embodiments, the first reminder information and the second reminder information can be the same information, and the forms of the first reminder information and the second reminder information can be light, sound, short message, etc.

[0246] In one of the embodiments, the food processor further comprises a motor and a stirring piece in driving connection with the motor, and the stirring piece is located in the working cavity; and the control method further comprises: controlling the motor to drive the stirring piece to rotate.

[0247] In any of the above embodiments, the food processor further comprises a squeezing cylinder in communication with the working cavity; and a screw in driving connection with the motor and located in the squeezing cylinder; and the control method further comprises: controlling the motor to drive the screw to rotate.

[0248] In this embodiment, by arranging the stirring piece, the food material in the working cavity is stirred in the process of rotation of the stirring piece, so as to promote the sufficient mixing between the food material and the liquid in the working cavity.

[0249] In one of the embodiments, the motor is controlled to drive the stirring piece to operate at a third rotating speed for a fifth time length, so as to ensure that the food material and the liquid are sufficiently mixed.

[0250] In one of the embodiments, the third rotating speed and the fifth time length are positively correlated with the amount of food material and the amount of liquid in the working cavity, for example, the greater the amount of food material and the amount of liquid, the greater the value of the third rotating speed and the fifth time length.

[0251] In one of the embodiments, the third rotating speed and the fifth time length are also positively correlated with a ratio, and the ratio is the ratio of the amount of food material to the amount of liquid.

[0252] In any of the above embodiments, the food processor further comprises a squeezing cylinder in communication with the working cavity; and a screw in driving connection with the motor and located in the squeezing cylinder; and the control method further comprises: controlling the motor to drive the screw to rotate.

[0253] In this embodiment, by driving the screw to rotate, the mixture of the food material and the liquid in the working cavity is extruded from the squeezing cylinder, specifically, in the process of rotation of the screw, the material in the gap between adjacent threads of the screw is pushed away from the working cavity under the rotation of the screw, so as to realize discharging.

[0254] In one of the embodiments, the screw rotates at a fourth rotating speed for a sixth time length, wherein the fourth rotating speed and the sixth time length are positively correlated with the discharging speed. In one of the embodiments, before the liquid injection flow of the pump body per unit time and the pulse number of the flow meter per unit time are acquired, the method further comprises: controlling the pump body to start at a first power; and after the pump body starts, controlling the pump body to operate at a second power, wherein the first power is greater than the second power.

[0255] Embodiments of the present application propose a control method of a food processor. By running the control method, the probability of water adding failure caused by adhesion of a diaphragm inside the pump body can be reduced, thereby improving the reliability of pump body operation.

[0256] Embodiments of the present application are implemented based on the following principle. Specifically, inside the pump body, adhesion of the diaphragm increases the difficulty of starting the pump body. In the case of a certain degree of diaphragm adhesion, if the torque provided by the pump body when starting is small, the torque provided cannot separate the adhered diaphragm, and eventually causes the pump body to fail to start.

[0257] Through research on data of pump body start failure, it is found that the above-mentioned situation usually occurs in the scene of starting the pump body at low power.

[0258] In the above-mentioned case, in order to overcome the influence of pump body start failure on water adding, embodiments of the present application control the pump body to start at a relatively large power and then add water at a relatively small power. By controlling the pump body to start at a relatively large power, a large enough torque can be provided to overcome the problem of diaphragm adhesion inside the pump body. In this process, the success probability of pump body start can be improved, and therefore the reliability of water adding of the food processor can be improved.

[0259] In the above-mentioned embodiment, the first power can be the maximum power of the pump body, wherein the maximum power is the maximum movement power that the pump body can tolerate. By limiting the first power to be the maximum power, the pump body can provide the maximum torque, so as to increase the probability of pump body start, and maximize the reliability of water adding of the food processor.

[0260] In the above-mentioned embodiment, the first power can be the rated power of the pump body, wherein the rated power is the power recorded on the nameplate of the pump body. By limiting the first power to be the rated power, the pump body can be protected to the maximum extent while providing a large torque and increasing the probability of pump body start, so as to reduce the probability of the pump body being burned due to excessive operation power.

[0261] In the above-mentioned embodiment, the method further comprises: acquiring a required water injection flow of the pump body; and determining the second power according to the required water injection flow.

[0262] In the embodiment, the determination manner of the second power is specifically limited, and specifically, the required water injection flow of the pump body is acquired, so as to determine the second power according to the required water injection flow. In this process, the second power is determined according to the flow of the pump body, so that the second power is matched with the flow, and the influence of power fluctuation on the liquid injection amount is avoided, thereby improving the precision of the pump body water adding control.

[0263] In the above embodiment, the required water injection flow can be understood as the required water injection flow, that is, the water injection flow provided by the pump body.

[0264] In the above embodiment, the required water injection flow can be determined according to the required liquid amount. Specifically, in the case that the required liquid amount in the working chamber is large, the required water injection flow is large, and vice versa, in the case that the required liquid amount in the working chamber is small, the required water injection flow is small. In this process, by limiting the required water injection flow to be large in the case that the required liquid amount is large, the water injection time is reduced, and vice versa, the required water injection flow is small in the case that the required liquid amount is small, so as to provide a fine water adding control strategy, thereby improving the accuracy of the liquid injection amount.

[0265] In the above embodiment, the mapping relationship between the required water injection flow and the second power can be set in advance, so that in the case that the required water injection flow is determined, the second power can be directly determined according to the mapping relationship.

[0266] In the above scheme, the second power is determined by calculation every time, so that the determination scheme of the second power is simplified, the data processing amount of the food processor is reduced, and the power consumption of the food processor is reduced.

[0267] In any of the above embodiments, the timing duration since the pump body starts to operate at the first power is acquired, and in the case that the timing duration is greater than or equal to the first duration, it is determined that the pump body starts to operate.

[0268] In the above embodiment, the determination strategy of the pump body starting to operate is specifically limited. In this process, the duration since the pump body starts to operate at the first power, that is, the timing duration, is recorded, so as to determine whether the pump body starts to operate by using the timing duration. Specifically, in the case that the timing duration exceeds the first duration set in advance, it is considered that the pump body starts to operate, and vice versa, in the case that the timing duration does not reach the first duration, it is considered that the pump body has not started to operate.

[0269] Through the above scheme, the starting parameter of the pump body is parameterized, so that the timing of switching the power of the pump body from the first power to the second power can be found, thereby improving the reliability of the control of the food processor.

[0270] In any of the above embodiments, the food processor includes any one of a noodle machine, a pastry robot, a blender, and a juicer.

[0271] Example 9

[0272] like Figure 3 As shown, the present invention provides a control device 300 for a food processor. The food processor includes a working chamber and a pump body for injecting liquid into the working chamber. The control device includes: a first control unit 302 for controlling the pump body to start at a first power; and a second control unit 304 for controlling the pump body to operate at a second power after the pump body is started, wherein the first power is greater than the second power.

[0273] The embodiments of this application propose a control device for a food processor. A food processor with this control device can reduce the probability of water addition failure caused by diaphragm adhesion inside the pump body, thereby improving the reliability of pump operation.

[0274] The embodiments of this application are based on the following principle: Specifically, inside the pump body, diaphragm adhesion increases the difficulty of starting the pump body. If the torque provided by the pump body when starting is small when the degree of diaphragm adhesion is certain, the torque provided cannot separate the adhered diaphragm, which will eventually cause the pump body to fail to start.

[0275] By studying the data on pump start-up failures, it was found that the above situation usually occurs when the pump starts with low power.

[0276] In the above situation, in order to overcome the impact of pump start-up failure on water addition, the embodiments of this application control the pump to start with a larger power first, and then add water with a relatively smaller power. By controlling the pump to start with a larger power, sufficient torque is provided to overcome the problem of diaphragm adhesion inside the pump. In this process, the success rate of pump start-up can be increased. Therefore, the reliability of water addition in the food processor can be improved.

[0277] In the above embodiments, the first power can be the maximum power of the pump body, wherein the maximum power is the maximum motion power that the pump body can tolerate. By limiting the first power to the maximum power, the pump body can provide the maximum torque, thereby increasing the probability of the pump body starting and maximizing the reliability of water addition to the food processor.

[0278] In the above embodiments, the first power can be the rated power of the pump body, wherein the rated power is the power recorded on the pump body's nameplate. By limiting the first power to the rated power, the pump body is protected to the greatest extent while providing greater torque and increasing the probability of the pump body starting, thus reducing the probability of the pump body burning out due to excessive operating power.

[0279] In the above embodiment, the second control unit is further configured to: obtain a required water injection flow rate of the pump body; and determine the second power according to the required water injection flow rate.

[0280] In the above embodiment, the determination manner of the second power is specifically limited, and specifically, the required water injection flow rate of the pump body is obtained, so as to determine the second power according to the required water injection flow rate. In this process, the second power is determined according to the flow rate of the pump body, so as to adapt the second power to the flow rate, thereby avoiding the influence of power fluctuation on the liquid injection amount, and improving the precision of the pump body water adding control.

[0281] In the above embodiment, the required water injection flow rate can be understood as a required water injection flow rate, that is, a water injection flow rate required by the pump body.

[0282] In the above embodiment, the required water injection flow rate can be determined according to the required liquid amount. Specifically, when the required liquid amount in the working chamber is large, the required water injection flow rate is large, and vice versa. In this process, by limiting the required water injection flow rate to be large when the required liquid amount is large, the water injection time is reduced, and vice versa. The required water injection flow rate is small, so as to provide a fine water adding control strategy, thereby improving the accuracy of the liquid injection amount.

[0283] In the above embodiment, the mapping relationship between the required water injection flow rate and the second power can be preset, so that when the required water injection flow rate is determined, the second power can be directly determined according to the mapping relationship.

[0284] In the above scheme, the second power is determined by calculation every time, so that the determination scheme of the second power is simplified, the data processing amount of the food processor is reduced, and the power consumption of the food processor is reduced.

[0285] In any of the above embodiments, the second control unit 304 is further configured to: obtain a timing duration since the pump body is started at the first power; and determine that the pump body is started when the timing duration is greater than or equal to a first duration.

[0286] In the above embodiment, the determination strategy of the pump body starting operation is specifically limited. In this process, the duration of the pump body starting at the first power, that is, the timing duration, is recorded, so as to determine whether the pump body is started by using the timing duration. Specifically, when the timing duration exceeds the first duration set by the preset, it is considered that the pump body is started, and vice versa. When the timing duration does not reach the first duration, it is considered that the pump body has not been started.

[0287] By the above scheme, the starting parameter of the pump body is parameterized, so that the timing of switching the power of the pump body from the first power to the second power can be found, thereby improving the reliability of the control of the food processor.

[0288] In any of the above embodiments, the food processor comprises any one of a noodle maker, a pastry robot, a blender, and a juicer.

[0289] In one of the embodiments, the food processor further comprises a motor and a stirring element drivingly connected to the motor, the stirring element being located in the working cavity, and the second control unit 304 is further configured to control the motor to drive the stirring element to rotate.

[0290] In this embodiment, by providing the stirring element, the food material in the working cavity is stirred during the rotation of the stirring element, thereby promoting the sufficient mixing between the food material and the liquid in the working cavity.

[0291] In one of the embodiments, the motor is controlled to drive the stirring element to rotate at the first rotation speed for the second time length, so as to ensure that the food material and the liquid are sufficiently mixed.

[0292] In one of the embodiments, the first rotation speed and the second time length are positively correlated with the amount of the food material and the amount of the liquid in the working cavity, for example, the greater the amount of the food material and the amount of the liquid, the greater the first rotation speed and the second time length.

[0293] In one of the embodiments, the first rotation speed and the second time length are also positively correlated with a ratio, wherein the ratio is the ratio of the amount of the food material to the amount of the liquid.

[0294] In one of the embodiments, the food processor further comprises a pressing cylinder communicating with the working cavity, and a screw drivingly connected to the motor and located in the pressing cylinder, and the second control unit 304 is further configured to control the motor to drive the screw to rotate.

[0295] In this embodiment, by driving the screw to rotate, the mixture of the food material and the liquid in the working cavity is extruded from the pressing cylinder, specifically, the material in the gap between adjacent threads of the screw is pushed away from the working cavity under the rotation of the screw, thereby realizing discharging.

[0296] In one of the embodiments, the screw rotates at a second rotation speed for a third time length, wherein the second rotation speed and the third time length are positively correlated with the discharging speed.

[0297] In one of the embodiments, the food processing machine further comprises a flow meter located on the liquid supply circuit of the pump body, and the second control unit 304 is further configured to: acquire the liquid injection flow of the pump body per unit time and the pulse number of the flow meter per unit time; and select the pump body operation control strategy according to the comparison result of the numerical interval corresponding to the pulse number and the liquid injection flow.

[0298] In this embodiment, the control method can be used to diagnose whether the flow meter is faulty, and switch the pump body control strategy in the case of flow meter failure, so as to improve the reliability of the pump body liquid injection.

[0299] The above embodiments are based on the following principle: in the case of fine impurities in the liquid, the flow meter is easily blocked, resulting in inaccurate flow meter counting.

[0300] In order to avoid the influence of flow meter failure on the liquid injection reliability of the food processing machine, the embodiments of the present application can diagnose the failure of the flow meter, which acquires the pulse number of the flow meter per unit time and the liquid injection flow of the pump body per unit time, so as to compare the numerical interval corresponding to the pulse number and the liquid injection flow, and use the comparison result to diagnose the flow meter, and select different ways to control the operation of the pump body according to the diagnosis result.

[0301] In the above scheme, the control scheme of the pump body is no longer one, but can be selected according to the fault detection result of the flow meter, so that the influence of the flow meter on the liquid injection control of the food processing machine can be reduced, thereby improving the reliability of the food processing machine.

[0302] In the above embodiments, the unit time can be understood as a fixed time, which can be one minute, one second, one millisecond, etc.

[0303] In the above embodiments, in the case that the pulse number is located outside the numerical interval corresponding to the liquid injection flow, the operation of the pump body is controlled according to the liquid injection time of the pump body; and in the case that the pulse number is located within the numerical interval corresponding to the liquid injection flow, the operation of the pump body is controlled according to the flow meter.

[0304] In this embodiment, it is specified how to select the control logic of the pump body according to the comparison result of the numerical interval corresponding to the pulse number and the liquid injection flow. In the above scheme, when the pulse number is within the numerical interval, it is considered that the pulse number of the flow meter is not a problem, i.e. the diagnosis result of the flow meter is normal, at this time, the operation of the pump body can be controlled according to the flow meter; otherwise, in the case that the pulse number is outside the numerical interval, it is considered that the flow meter has failed, at this time, if the operation of the pump body is still controlled according to the flow meter, the liquid injection amount will be inaccurate.

[0305] In order to avoid the above situation, the operation of the pump body can be controlled according to the liquid injection time length of the pump body, so as to provide accurate liquid to the working chamber, reduce the probability of liquid injection failure, and improve the reliability of the food processor.

[0306] In any of the above embodiments, the operation of the pump body is controlled according to the flow meter, specifically including: determining the total number of pulses according to the required liquid amount of the working chamber and the liquid injection flow rate of the pump body per unit time; and controlling the operation of the pump body until the pulse count of the flow meter is greater than or equal to the total number of pulses.

[0307] In this embodiment, how to control the operation of the pump body according to the flow meter is limited. In the above scheme, the total number of pulses when the pump body is running is also fixed under the condition that the required liquid amount is certain. Therefore, when the total number of pulses of the flow meter is determined, the operation of the pump body can be controlled according to the comparison result of the current pulse number and the total number of pulses, so as to achieve accurate control of the liquid injection amount.

[0308] Specifically, in the case that the pulse number is less than the total number of pulses, the pump body is controlled to run to inject liquid into the working chamber, and in the case that the pulse number is greater than or equal to the total number of pulses, it is considered that the liquid injection amount of the current working chamber reaches the required liquid amount, at this time, the pump body is controlled to stop running, so as to ensure the accurate control of the liquid injection amount.

[0309] In the above embodiments, under the condition that the required liquid amount and the liquid injection flow rate of the pump body per unit time are determined, the liquid injection time length of the pump body can be determined, and under the condition that the pulse number of the flow meter under the liquid injection flow rate is determined, the total number of pulses can be determined according to the pulse number and the liquid injection time length, so as to control the operation of the pump body according to the total number of pulses to achieve accurate liquid injection.

[0310] In the above embodiments, the ratio of the required liquid amount to the liquid injection flow rate per unit time is taken as the liquid injection time length.

[0311] In the above embodiments, the product of the pulse number and the liquid injection time length is taken as the total number of pulses.

[0312] In any of the above embodiments, the operation of the pump body is controlled according to the liquid injection time length of the pump body, specifically including: controlling the operation of the pump body until the running time length of the pump body is greater than or equal to the liquid injection time length.

[0313] In this embodiment, how to control the operation of the pump body according to the liquid injection time length is specifically limited. In this embodiment, the way of controlling the operation of the pump body according to the liquid injection time length cannot match the scheme of controlling the operation of the pump body according to the flow meter in the accuracy control of the liquid injection amount, but due to the existence of the scheme of controlling the operation of the pump body according to the liquid injection time length, it can be ensured that in the case that the scheme of controlling the operation of the pump body according to the flow meter has an abnormality, there is still a control logic that can inject liquid, that is, the scheme of controlling the operation of the pump body according to the liquid injection time length plays a role in improving the reliability of liquid injection.

[0314] In the above embodiment, the running time of the pump body is compared with the liquid injection time, so as to determine whether the liquid injection is completed according to the comparison result. In the case that the running time is less than the liquid injection time, it is considered that the liquid injection of the food processor has not ended. In the case that the running time is greater than or equal to the liquid injection time, it is considered that the liquid injection of the food processor has ended.

[0315] In the above embodiment, the running time can be periodically acquired, such as once every fourth time interval, wherein the fourth time interval can be 1 second, 50 milliseconds, etc.

[0316] In any of the above embodiments, the liquid injection time is determined according to the liquid demand of the working chamber and the liquid injection flow rate of the pump body per unit time.

[0317] In this scheme, the determination method of the liquid injection time is specifically limited, which is consistent with the above, and will not be repeated here.

[0318] In any of the above embodiments, before controlling the operation of the pump body according to the liquid injection time of the pump body, the running current of the pump body is acquired, and in the case that the running current is greater than a preset current, a first reminder information is output.

[0319] In this scheme, how to detect whether the pump body is faulty is specifically limited. In this scheme, in the case that the pump body is detected to be faulty, the first reminder information can be directly output, so that the user can maintain the faulty pump body in time after receiving the first reminder information.

[0320] In addition, the above embodiments of the present application specifically limit how to diagnose whether the pump body is faulty. Generally, when the pump body is faulty, the running current is relatively small and will not exceed the preset current. Therefore, the preset current can be used to detect the pump body fault.

[0321] In any of the above embodiments, the food processor further comprises a detection member for acquiring liquid injection information in the working chamber. Before controlling the operation of the pump body according to the liquid injection time of the pump body, the running state of the pump body is determined according to the liquid injection information, and in the case that the running state does not meet the preset running requirement, a second reminder information is output.

[0322] In this embodiment, another scheme for detecting whether the pump body is faulty is specifically limited. In this scheme, the detection member in the food processor is used to indirectly detect whether the pump body is faulty. In this scheme, the detection of the pump body fault state does not detect the parameters of the pump body, so that the scheme has high reliability.

[0323] Specifically, the injection information in the working cavity is detected by the detection member, so as to determine the state of the pump body by the injection information, and in the case that the running state of the pump body is inconsistent with the preset running requirement, the user is reminded to handle the fault of the pump body in time by outputting the second reminding information.

[0324] In the above embodiment, the injection information can be the difference of liquid level before and after injection, or the weight difference of liquid before and after injection.

[0325] In the above embodiment, the running state of the pump body determined according to the injection information can be normal injection amount, or insufficient injection amount, or excessive injection amount.

[0326] Among them, the insufficient injection amount and the excessive injection amount are the preset running requirements.

[0327] In the above embodiment, the first reminding information and the second reminding information can be the same information, and the forms of the first reminding information and the second reminding information can be light, sound, short message, etc.

[0328] Embodiment ten

[0329] As shown in Figure 4 The present application provides a control device 400 of a food processor, the food processor comprising a working cavity, a pump body for injecting liquid into the working cavity, and a flow meter on a liquid supply circuit of the pump body. The control device comprises: an acquisition unit 402 configured to acquire an injection flow of the pump body in a unit time and a pulse number of the flow meter in the unit time; and a comparison unit 404 configured to select a control strategy of the pump body according to a comparison result of a numerical interval corresponding to the injection flow and the pulse number.

[0330] In this embodiment, the control device of the food processor is provided, and the food processor with the control device can realize the diagnosis of whether the flow meter is faulty, and in the case that the flow meter is faulty, the control strategy of the pump body is switched, so as to improve the reliability of the injection of the food processor.

[0331] The above embodiment is realized based on the following principle, specifically, in the case that there are small impurities in the liquid, the flow meter is easily blocked, so that the counting of the flow meter is inaccurate.

[0332] In order to avoid the influence of the fault of the flow meter on the reliability of the injection of the food processor, the embodiment of the present application diagnoses the fault of the flow meter, which acquires the pulse number of the flow meter in a unit time and the injection flow of the pump body in the unit time, so as to compare the numerical interval corresponding to the injection flow and the pulse number, so as to diagnose the flow meter by the comparison result, and select different ways to control the running of the pump body according to the diagnosis result.

[0333] In the above scheme, the control scheme of the pump body is no longer one, but can be selected according to the fault detection result of the flow meter, so that the influence of the flow meter on the liquid injection control of the food processor can be reduced, thereby improving the reliability of the food processor.

[0334] In the above embodiment, the unit time can be understood as a fixed time length, which can be one minute, one second, one millisecond, etc.

[0335] In the above embodiment, the comparison unit 404 is specifically configured to: in the case that the pulse number is located outside the numerical interval corresponding to the liquid injection flow, control the operation of the pump body according to the liquid injection time length of the pump body; and in the case that the pulse number is located within the numerical interval corresponding to the liquid injection flow, control the operation of the pump body according to the flow meter.

[0336] In this embodiment, the comparison result of the pulse number and the numerical interval corresponding to the liquid injection flow is specifically limited to select the control logic of the pump body. In the above scheme, when the pulse number is located within the numerical interval, it is considered that the pulse number of the flow meter is not a problem, that is, the diagnosis result of the flow meter is normal, at this time, the operation of the pump body can be controlled according to the flow meter; on the contrary, in the case that the pulse number exceeds the numerical interval, it is considered that the flow meter has failed, at this time, if the operation of the pump body is still controlled according to the flow meter, the problem of inaccurate liquid injection amount will be caused.

[0337] In order to avoid the above situation, the operation of the pump body can be controlled according to the liquid injection time length of the pump body, so as to provide accurate liquid to the working cavity, thereby reducing the probability of liquid injection failure, and improving the reliability of the food processor.

[0338] In any of the above embodiments, the comparison unit 404 is specifically configured to: determine the total number of pulses according to the liquid demand amount of the working cavity and the liquid injection flow of the pump body within a unit time; and control the pump body to operate until the pulse count of the flow meter is greater than or equal to the total number of pulses.

[0339] In this embodiment, how to control the operation of the pump body according to the flow meter is limited. In the above scheme, when the liquid demand amount is certain, the total number of pulses during the operation of the pump body is also fixed, so that when the total number of pulses of the flow meter is determined, the operation of the pump body can be controlled according to the comparison result of the current pulse number and the total number of pulses, so as to realize accurate control of the liquid injection amount.

[0340] Specifically, in the case that the pulse number is less than the total number of pulses, the pump body is controlled to operate to inject liquid into the working cavity, and in the case that the pulse number is greater than or equal to the total number of pulses, it is considered that the liquid injection amount of the current working cavity reaches the liquid demand amount, at this time, the pump body is controlled to stop operating, so as to ensure accurate control of the liquid injection amount.

[0341] In the above embodiment, in the case that the required liquid amount and the injection flow rate of the pump body per unit time are determined, the injection time length of the pump body can be determined, and in the case that the pulse number of the flow meter under the injection flow rate is determined, the total pulse number can be determined according to the pulse number and the injection time length, so as to control the operation of the pump body according to the total pulse number, so as to achieve accurate injection.

[0342] In the above embodiment, the ratio of the required liquid amount to the injection flow rate per unit time is taken as the injection time length.

[0343] In the above embodiment, the product of the pulse number and the injection time length is taken as the total pulse number.

[0344] In any of the above embodiments, the comparison unit 404 is specifically configured to: control the operation of the pump body until the operation time length of the pump body is greater than or equal to the injection time length.

[0345] In this embodiment, how to control the operation of the pump body according to the injection time length is specifically limited, and in this embodiment, the way of controlling the operation of the pump body by using the injection time length cannot be comparable to the scheme of controlling the operation of the pump body according to the flow meter in the accuracy control of the injection amount, but because of the existence of the scheme of controlling the operation of the pump body according to the injection time length, it can be ensured that in the case that the scheme of controlling the operation of the pump body according to the flow meter exists abnormally, there is still a control logic that can inject, that is, the scheme of controlling the operation of the pump body according to the injection time length plays a role in improving the reliability of injection.

[0346] In the above embodiment, the operation time length of the pump body is compared with the injection time length, so as to determine whether the injection is completed according to the comparison result, in the case that the operation time length is less than the injection time length, it is considered that the injection of the food processor has not ended, and in the case that the operation time length is greater than or equal to the injection time length, it is considered that the injection of the food processor is ended.

[0347] In the above embodiment, the operation time length can be periodically acquired, such as once every fourth time length, wherein the value of the fourth time length can be 1 second, 50 milliseconds, etc.

[0348] In any of the above embodiments, the comparison unit 404 is further configured to: determine the injection time length according to the required liquid amount of the working chamber and the injection flow rate of the pump body per unit time.

[0349] In this scheme, the determination manner of the injection time length is specifically limited, which is consistent with the above, and will not be repeated here.

[0350] In any of the above embodiments, the comparison unit 404 is further configured to: acquire the operating current of the pump body; and output first reminding information in the case that the operating current is greater than a preset current.

[0351] In the scheme, the scheme of how to detect whether the pump body is faulty is specifically defined, in which case the first reminder information can be directly outputted when the pump body is detected to be faulty, so that the user can maintain the faulty pump body in time after receiving the first reminder information.

[0352] In addition, the above embodiments of the present application specifically define how to diagnose whether the pump body is faulty. Generally, when the pump body is faulty, the running current is relatively small and will not exceed the preset current, so the preset current can be used to detect the pump body fault.

[0353] In any of the above embodiments, the food processor further comprises a detection member for obtaining liquid injection information in the working cavity. Before the pump body is controlled to run according to the liquid injection time of the pump body, the comparison unit 404 is further configured to: determine the running state of the pump body according to the liquid injection information; and output a second reminder information when the running state does not meet the preset running requirement.

[0354] In this embodiment, another scheme for detecting pump body failure is specifically defined, in which the detection member in the food processor is used to indirectly detect whether the pump body is faulty. In this scheme, the detection of the pump body failure state does not detect the parameters of the pump body, so the scheme has high reliability.

[0355] Specifically, the liquid injection information in the working cavity is detected by the detection member to determine the state of the pump body by using the liquid injection information, and the user is reminded to handle the pump body failure in time by outputting the second reminder information when the running state of the pump body is inconsistent with the preset running requirement.

[0356] In the above embodiments, the liquid injection information can be the difference in liquid level before and after injection, or the difference in weight of the liquid before and after injection.

[0357] In the above embodiments, the running state of the pump body determined according to the liquid injection information can be normal injection amount, insufficient injection amount, or excessive injection amount.

[0358] The insufficient injection amount and the excessive injection amount are preset running requirements.

[0359] In the above embodiments, the first reminder information and the second reminder information can be the same information, and the forms of the first reminder information and the second reminder information can be light, sound, short message, etc.

[0360] In any of the above embodiments, the food processor comprises any one of a noodle maker, a pastry robot, a blender, and a juicer.

[0361] In one of the embodiments, the food processor further comprises a motor and a stirring element drivingly connected with the motor, the stirring element being located in the working cavity, and the comparison unit 404 is further configured to control the motor to drive the stirring element to rotate.

[0362] In any of the above embodiments, the food processor further comprises a squeezing cylinder communicating with the working cavity, and a screw drivingly connected with the motor and located in the squeezing cylinder, and the control method further comprises controlling the motor to drive the screw to rotate.

[0363] In this embodiment, the stirring element is arranged to stir the food materials in the working cavity during rotation, thereby facilitating the mixing of the food materials and the liquid in the working cavity.

[0364] In one of the embodiments, the control method further comprises controlling the motor to drive the stirring element to operate at a third rotating speed for a fifth time duration, so as to ensure that the food materials and the liquid are sufficiently mixed.

[0365] In one of the embodiments, the third rotating speed and the fifth time duration are positively correlated with the amount of the food materials and the amount of the liquid in the working cavity, for example, the greater the amount of the food materials and the amount of the liquid, the greater the third rotating speed and the fifth time duration.

[0366] In one of the embodiments, the third rotating speed and the fifth time duration are also positively correlated with a ratio, wherein the ratio is the ratio of the amount of the food materials to the amount of the liquid.

[0367] In any of the above embodiments, the food processor further comprises a squeezing cylinder communicating with the working cavity, and a screw drivingly connected with the motor and located in the squeezing cylinder, and the comparison unit 404 is further configured to control the motor to drive the screw to rotate.

[0368] In this embodiment, the screw is driven to rotate so as to squeeze the mixture of the food materials and the liquid in the working cavity out of the squeezing cylinder, specifically, the gap between adjacent threads in the screw pushes the mixture away from the working cavity under the rotation of the screw, thereby achieving discharging.

[0369] In one of the embodiments, the screw rotates at a fourth rotating speed for a sixth time duration, wherein the fourth rotating speed and the sixth time duration are positively correlated with the discharging speed. In one of the embodiments, before obtaining the liquid injection flow rate of the pump body in a unit time and the pulse value of the flow meter in a unit time, the control method further comprises controlling the pump body to start at a first power; and after the pump body starts, controlling the pump body to operate at a second power, wherein the first power is greater than the second power.

[0370] By operating the control method, the probability of water injection failure caused by the adhesion of the diaphragm inside the pump body can be reduced, thereby improving the reliability of the pump body operation.

[0371] Embodiments of the present application are implemented based on the following principle: specifically, inside the pump body, the adhesion of the diaphragm increases the difficulty of starting the pump body; in the case of a certain degree of adhesion of the diaphragm, if the torque provided by the pump body when starting is small, the torque provided cannot separate the adhered diaphragm, ultimately causing the pump body to fail to start.

[0372] Through research on the data of pump body start failure, it is found that the above-mentioned situation usually occurs in the scene of starting the pump body at low power.

[0373] In the above-mentioned case, in order to overcome the influence of pump body start failure on water adding, the embodiments of the present application control the pump body to start at a relatively large power first, and then add water at a relatively small power. By controlling the pump body to start at a relatively large power, a large enough torque can be provided to overcome the problem of adhesion of the diaphragm inside the pump body, thereby improving the success rate of starting the pump body, and thus the reliability of water adding of the food processor can be improved.

[0374] In the above-mentioned embodiment, the first power can be the maximum power of the pump body, wherein the maximum power is the maximum movement power that the pump body can tolerate. By limiting the first power to be the maximum power, the pump body can provide the maximum torque, thereby increasing the probability of starting the pump body, and thus the reliability of water adding of the food processor can be maximized.

[0375] In the above-mentioned embodiment, the first power can be the rated power of the pump body, wherein the rated power is the power recorded on the nameplate of the pump body. By limiting the first power to be the rated power, the pump body can be protected to the maximum extent while providing a large torque and increasing the probability of starting the pump body, thereby reducing the probability of the pump body being burned due to excessive running power.

[0376] In the above-mentioned embodiment, the comparison unit 404 is further configured to: obtain a required water injection flow rate of the pump body; and determine the second power according to the required water injection flow rate.

[0377] In this embodiment, the determination method of the second power is specifically limited: specifically, the required water injection flow rate of the pump body is obtained to determine the second power according to the required water injection flow rate. In this process, the second power is determined according to the flow rate of the pump body, so that the second power is adapted to the flow rate, avoiding the influence of power fluctuation on the injection amount, thereby improving the precision of pump body water adding control.

[0378] In the above-mentioned embodiment, the required water injection flow rate can be understood as the required water injection flow rate, that is, the water injection flow rate provided by the pump body.

[0379] In the above embodiment, the demand water injection flow rate can be determined according to the liquid demand, specifically, in the case that the liquid demand in the working chamber is large, the demand water injection flow rate is large, and vice versa, in the case that the liquid demand in the working chamber is small, the demand water injection flow rate is small, in this process, by limiting the demand water injection flow rate to be large in the case that the liquid demand is large, the water injection time is reduced, and vice versa, in the case that the liquid demand is small, the demand water injection flow rate is small, so as to provide a fine water injection control strategy, thereby improving the accuracy of the liquid injection amount.

[0380] In the above embodiment, the mapping relationship between the demand water injection flow rate and the second power can be set in advance, so that in the case of determining the demand water injection flow rate, the second power can be directly determined according to the mapping relationship.

[0381] In the above scheme, the second power is determined by calculation every time, so that the data processing amount of the food processor is reduced while the determination scheme of the second power is simplified, thereby reducing the power consumption of the food processor.

[0382] In any of the above embodiments, the comparison unit 404 is also used to: obtain the timing duration since the pump body starts to operate at the first power; and determine that the pump body starts to operate in the case that the timing duration is greater than or equal to the first duration.

[0383] In the above embodiment, the determination strategy of the pump body starting to operate is specifically limited, in this process, by recording the duration of the pump body starting to operate at the first power, that is, the timing duration, so as to determine whether the pump body starts to operate by using the timing duration, specifically, in the case that the timing duration exceeds the first duration set in advance, it is considered that the pump body starts to operate, and vice versa, in the case that the timing duration does not reach the first duration, it is considered that the pump body has not started to operate.

[0384] Through the above scheme, the starting parameter of the pump body is parameterized, so that the timing of switching the power of the pump body from the first power to the second power can be found, thereby improving the reliability of the control of the food processor.

[0385] Embodiment eleven

[0386] The application provides a control device of a food processor, which comprises a controller and a memory, wherein the memory stores programs or instructions, and the controller implements the steps of any of the above methods when executing the programs or instructions in the memory.

[0387] Embodiment twelve

[0388] The application provides a readable storage medium, which stores programs or instructions, and the programs or instructions are executed by a processor to implement the steps of any of the above methods.

[0389] Embodiment thirteen

[0390] The application provides a food processing machine, comprising: the control device of any one of the food processing machines described above; or the readable storage medium described above.

[0391] In the description of the application, the term 'a plurality of' refers to two or more, unless otherwise explicitly limited, and the terms 'upper', 'lower' and the like indicate the orientation or positional relationship shown in the drawings, which are only for the purpose of facilitating the description of the application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application; the terms 'connection', 'installation', 'fixation' and the like should be understood broadly, for example, 'connection' can be fixed connection, can also be detachable connection, or integral connection; can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0392] In the description of the application, the terms 'one embodiment','some embodiments', 'a specific embodiment' and the like mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the application. In the application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0393] The above is only the preferred embodiment of the application and is not intended to limit the application. For those skilled in the art, the application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the application shall be included in the protection scope of the application.

Claims

1. A control method of a food processor, characterized by, The food processor comprises a working cavity and a pump body for injecting liquid into the working cavity, and the control method comprises: controlling the pump body to start at a first power; controlling the pump body to operate at a second power after the pump body starts, wherein the first power is greater than the second power; the first power is the maximum power of the pump body or the first power is the rated power of the pump body; The control method further comprises: acquiring the timing duration since the pump body starts at the first power; determining that the pump body starts when the timing duration is greater than or equal to a first duration.

2. The control method of the food processor according to claim 1, characterized in that, Further comprising: acquiring the required injection flow of the pump body; determining the second power according to the required injection flow.

3. The control method of the food processor according to claim 1, characterized in that, The food processor further comprises a flow meter on the liquid supply circuit of the pump body, and the control method comprises: acquiring the injection flow of the pump body per unit time and the pulse number of the flow meter per unit time; According to the comparison result of the numerical interval corresponding to the pulse number and the injection flow, the operation of the pump body is controlled according to the operation duration of the flow meter or the pump body.

4. The control method of the food processor according to claim 3, wherein when the pulse number is located outside the numerical interval corresponding to the injection flow, the operation of the pump body is controlled according to the injection duration of the pump body; when the pulse number is located within the numerical interval corresponding to the injection flow, the operation of the pump body is controlled according to the flow meter.

5. The control method of the food processor according to claim 4, characterized in that, According to the control method of the pump body according to the flow meter, specifically comprising: determining the total number of pulses according to the required liquid amount of the working cavity and the injection flow of the pump body per unit time; controlling the pump body to operate until the pulse count of the flow meter is greater than or equal to the total number of pulses.

6. The control method of the food processor according to claim 4, characterized in that, According to the control method of the pump body according to the injection duration of the pump body, specifically comprising: controlling the pump body to operate until the operation duration of the pump body is greater than or equal to the injection duration.

7. The control method of the food processor according to claim 6, characterized in that, Further comprising: determining the injection duration according to the required liquid amount of the working cavity and the injection flow of the pump body per unit time.

8. The control method of the food processor according to claim 4, characterized in that, Before controlling the pump body according to the injection duration of the pump body, further comprising: acquiring the operating current of the pump body; outputting first reminder information when the operating current is greater than a preset current.

9. The control method of the food processor according to claim 4, characterized in that, The food processor further comprises a detection member for acquiring injection information in the working cavity, and before controlling the pump body according to the injection duration of the pump body, further comprising: determining the operating state of the pump body according to the injection information; outputting second reminder information when the operating state does not meet the preset operating requirement.

10. The control method of the food processor according to any one of claims 1 to 9, characterized in that, The food processor further comprises an electric motor and a stirring member drivingly connected with the electric motor, and the stirring member is located in the working cavity, and the control method further comprises: controlling the electric motor to drive the stirring member to rotate.

11. The control method of the food processor according to claim 10, characterized in that, The food processor further comprises: a squeezing cylinder in communication with the working cavity; a screw drivingly connected with the electric motor and located in the squeezing cylinder, and the control method further comprises: controlling the electric motor to drive the screw to rotate.

12. The control method of the food processor according to claim 10, characterized in that, The food processor comprises any one of a noodle maker, a pastry robot, a cell disruptor, and a juicer.

13. A control device for a food processor, characterised in that The food processor comprises a working cavity and a pump body for injecting liquid into the working cavity, and the control device comprises: a first control unit configured to control the pump body to start at a first power; a second control unit configured to control the pump body to operate at a second power after the pump body starts, wherein the first power is greater than the second power; the first power is a maximum power of the pump body or the first power is a rated power of the pump body; the second control unit is further configured to obtain a timing duration since the pump body starts at the first power; and determine that the pump body starts when the timing duration is greater than or equal to a first time duration.

14. The control device of a food processor according to claim 13, characterized in that, The food processor further comprises a flow meter located on a liquid supply circuit of the pump body, and the control device comprises: a obtaining unit configured to obtain an injection flow of the pump body in a unit time and a pulse number of the flow meter in a unit time; a comparison unit configured to select, according to a comparison result of a numerical interval corresponding to the injection flow and the pulse number, a running time duration of the flow meter or the pump body to control the running of the pump body.

15. A control device for a food processor, characterised in that comprise: a controller and a memory, wherein the memory stores programs or instructions, and the controller implements the steps of the method according to any one of claims 1 to 12 when executing the programs or instructions in the memory.

16. A readable storage medium, characterized by, The readable storage medium stores programs or instructions, and the programs or instructions implement the steps of the method according to any one of claims 1 to 12 when executed by a processor.

17. A food processor, characterised in that, comprise: the control device of the food processor according to any one of claims 13 to 15; or the readable storage medium according to claim 16.

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