CN114326546A - Kitchen appliance control method, kitchen appliance and computer-readable storage medium - Google Patents
Kitchen appliance control method, kitchen appliance and computer-readable storage medium Download PDFInfo
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Abstract
The application provides a kitchen electrical equipment control method, a kitchen electrical equipment and a computer readable storage medium, wherein the method comprises the following steps: acquiring a current control signal input into the relay, and acquiring the current running current of the target load; determining whether the relay has a fault according to the current control signal and the current operation current; and if the relay fails, sending maintenance reminding information to an after-sale server. The kitchen electrical equipment relay fault detection method and the kitchen electrical equipment relay fault detection device can detect whether a relay of the kitchen electrical equipment is in fault, if the relay is in fault, maintenance reminding information is sent to an after-sales server, so that after-sales personnel can take corresponding after-sales maintenance measures, and use experience of a user is improved.
Description
Technical Field
The present application relates to the technical field of kitchen electrical equipment, and in particular, to a kitchen electrical equipment control method, a kitchen electrical equipment, and a computer-readable storage medium.
Background
In the product of present kitchen electrical equipment, kitchen electrical equipment's alternating current load control is empty, and most of control techniques are all controlled alternating current load through the relay, and then control functions such as alternating current load start and stop through the intercommunication and the disconnection of control relay, but along with kitchen electrical equipment's long-time use, the relay can break down, leads to kitchen electrical equipment to appear the problem of control failure, and then leads to the user to complain, has greatly reduced kitchen electrical equipment's reliability and competitiveness.
Disclosure of Invention
The main purpose of the present application is to provide a kitchen electrical appliance control method, a kitchen electrical appliance, and a computer-readable storage medium, which are used for detecting whether a relay of the kitchen electrical appliance fails, and if the relay fails, sending a maintenance reminding message to an after-sales server, so that after-sales personnel can take corresponding after-sales maintenance measures, and the use experience of a user is improved.
In a first aspect, the present application provides a kitchen electrical appliance control method applied to a kitchen electrical appliance, the kitchen electrical appliance including a relay for controlling a target load, the method including the steps of:
acquiring a current control signal input into the relay, and acquiring the current running current of the target load;
determining whether the relay has a fault according to the current control signal and the current operation current;
and if the relay fails, sending maintenance reminding information to an after-sale server.
In a second aspect, the present application further provides a kitchen appliance comprising a relay, a processor, a memory, and a computer program stored on the memory and executable by the processor, wherein the computer program, when executed by the processor, implements the steps of the kitchen appliance control method as described above.
In a third aspect, the present application further provides a computer-readable storage medium, on which a computer program is stored, wherein the computer program, when executed by a processor, implements the steps of the kitchen electrical appliance control method as described above.
The application provides a kitchen electrical equipment control method, kitchen electrical equipment and a computer readable storage medium, and the current control signal of an input relay is obtained, and the current running current of a target load is obtained; then determining whether the relay has faults or not according to the current control signal and the current running current; and if the relay fails, sending maintenance reminding information to an after-sale server. The technical scheme can accurately detect whether the relay of the kitchen electrical equipment breaks down, and if the relay breaks down, maintenance reminding information is sent to the after-sales server, so that after-sales personnel can take corresponding after-sales maintenance measures, and the use experience of a user is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic flow chart illustrating steps of a control method of a kitchen electrical appliance according to an embodiment of the present application;
fig. 2 is a schematic circuit diagram of a relay fault detection circuit provided in an embodiment of the present application;
fig. 3 is a schematic flow chart of another kitchen electrical appliance control method according to an embodiment of the present disclosure;
fig. 4 is a schematic block diagram of a structure of an electrical kitchen appliance provided in an embodiment of the present application.
The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The flow diagrams depicted in the figures are merely illustrative and do not necessarily include all of the elements and operations/steps, nor do they necessarily have to be performed in the order depicted. For example, some operations/steps may be decomposed, combined or partially combined, so that the actual execution sequence may be changed according to the actual situation.
The embodiment of the application provides a kitchen electrical equipment control method, a kitchen electrical equipment and a computer readable storage medium. The kitchen electrical equipment control method can be applied to kitchen electrical equipment, and the kitchen electrical equipment can be a range hood, a refrigerator, a kitchen range, a dish washing machine and the like.
Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Referring to fig. 1, fig. 1 is a schematic flow chart illustrating steps of a kitchen electrical equipment control method according to an embodiment of the present disclosure.
As shown in fig. 1, the kitchen electrical appliance control method includes steps S101 to S103.
And S101, acquiring a current control signal input into the relay, and acquiring the current running current of the target load.
The kitchen electrical equipment comprises a relay, a load and a controller, wherein the relay is used for controlling the on or off of the load, the relay can be an electromagnetic relay, a solid state relay, a polarization relay and the like, the load is an alternating current motor for example, and the controller is a device with signal processing and signal control capabilities such as a micro control unit MCU, an element programmable logic gate array PFGA, a programmable logic controller PLC, a central processing unit CPU and the like for example.
In one embodiment, as shown in fig. 2, the kitchen appliance includes a relay fault detection circuit including a load 10, a current sampling circuit 20, a controller 30, a relay 40, and a single chip microcomputer 60. The current sampling circuit 20 is configured to collect an operating current of the load 10 at the L end of the live wire, and send the sampled operating current to the controller 30 in real time, the controller 30 determines whether the relay has a fault based on the received current operating current of the load 10, and the controller 30 controls the on/off of the relay 40 by controlling the single chip microcomputer 60 to control the stop and the operation of the load 10.
In one embodiment, the current sampling circuit 20 includes a current transformer CT1, a resistor R2, a rectifier bridge D2, an electrolytic capacitor EC4, a capacitor C5, a resistor R4, a resistor R1, a capacitor C1, and a rectifier bridge D1. When current flows through the live wire L, the current running current of the load 10 can be sampled through the current transformer CT1, that is, the current transformer CT1 converts a large primary-side current at the L end of the live wire into a small secondary-side current according to the electromagnetic induction principle, the product of the small secondary-side current and the resistor R2 is the current running voltage of the load 10, the passing alternating current is converted into direct current through the rectifier bridge D2, then the electrolytic capacitor EC4 and the capacitor C5 stabilize the voltage of the collected electrical signal and eliminate high-frequency interference, the resistor R1 and the capacitor C1 form an RC filter circuit and also play a role in attenuating high-frequency signals, the controller 30 receives the electrical signal output by the current sampling circuit 20 and performs signal processing on the received electrical signal, so that the electrical signal is converted from an analog signal into a digital signal, and the current running current of the load 10 is obtained.
In one embodiment, the current control signal sent by the single chip 60 to the relay 40 is obtained, and the current control signal input to the relay is obtained. The current control signal may be a high level signal or a low level signal.
In one embodiment, the kitchen electrical equipment comprises a photoelectric coupler, and the current operation current of the target load is obtained through the photoelectric coupler. The selection of the photoelectric coupler can be selected according to actual conditions, and the application is not particularly limited to this. The current running current of the target load can be rapidly collected through the photoelectric coupler, and the detection efficiency is improved.
And S102, determining whether the relay has faults or not according to the current control signal and the current running current.
The faults of the relay comprise contact point sticking of the relay, failure of the relay, contact failure of the relay contact point and the like.
In one embodiment, a target operating current of a target load is determined according to a current control signal, and whether the current operating current is matched with the target operating current is determined; if the current operating current is not matched with the target operating current, determining that the relay has a fault; and if the current operation current is matched with the target operation current, determining that the relay does not have a fault. Whether the current running current is matched with the target running current or not is determined, whether the relay breaks down or not can be detected rapidly, and the detection accuracy is improved.
In an embodiment, the specific manner of determining the target operating current of the target load according to the current control signal may be: acquiring a mapping relation table between a preset current control signal and a target operation current; and determining the target running current of the target load according to the current control signal and the mapping relation table. The preset mapping relationship table between the current control signal and the target operating current is a mapping relationship table pre-established according to the current control signal and the target operating current, and the mapping relationship table may be established according to an actual situation, which is not specifically limited in the embodiment of the present application. According to the current control signal and the mapping relation table, the target operation current can be accurately and quickly known.
In one embodiment, the specific way of determining whether the current operating current matches the target operating current may be: determining whether the current operating current and the target operating current are equal; if the current operating current is equal to the target operating current, determining that the current operating current is matched with the target operating current; and if the current operating current is not equal to the target operating current, determining that the current operating current is not matched with the target operating current.
Illustratively, a current control signal input into the relay is acquired as a low level signal, a target operation current of a target load is determined to be 0A according to the low level signal and a mapping relation table, a current operation current is acquired to be 3A through a current acquisition circuit, the current operation current 3A is not matched with the target operation current 0A, and the relay is determined to have a fault.
In an embodiment, if the current operating current does not match the target operating current, it is determined whether a current difference between the current operating current and the target operating current is smaller than a preset current difference, if the current difference between the current operating current and the target operating current is smaller than the preset current difference, it is determined that the relay has not failed, and if the current difference between the current operating current and the target operating current is greater than or equal to the preset current difference, it is determined that the relay has failed. The preset current difference may be set according to an actual situation, which is not specifically limited in the embodiment of the present application, for example, the preset current difference may be set to 0.2A. By setting the error value, the accuracy of relay fault detection can be improved.
Illustratively, the current operating current 4.9A, the target operating current 5A and the preset current difference value 0.2A are obtained, the current operating current 4.9A is not matched with the target operating current 5A, and according to the current operating current 4.9A and the target operating current 5A, the current difference value between the current operating current and the target operating current is determined to be 0.1A, and the current difference value 0.1A is smaller than the preset current difference value 0.2A, it is determined that the relay has not failed.
And step S103, if the relay is in fault, sending maintenance reminding information to an after-sales server.
The after-sale server is an after-sale early warning system of a supplier, the early warning system comprises a maintenance scheme for various faults of the kitchen electrical equipment, the maintenance scheme for the faults can be set according to actual conditions, and the method is not particularly limited in the application.
In an embodiment, when the relay is determined to have a fault, the kitchen electrical equipment is controlled to send an after-sales maintenance reminding message to an after-sales server, so as to remind a supplier to make a corresponding fault maintenance scheme according to the after-sales maintenance reminding message. The kitchen electric equipment can be connected with the after-sales server through the communication module, and the after-sales maintenance reminding information comprises identification information and user information of the kitchen electric equipment; the identification information is identification information of the kitchen electrical equipment, the identification information is determined in the production process of the kitchen electrical equipment, the user information is information of a user of the kitchen electrical equipment, and the identification information of the kitchen electrical equipment is bound with the user information. When the relay is determined to be in fault, the kitchen electric equipment is controlled to send after-sale maintenance reminding information to the after-sale server, so that the intelligence of the kitchen electric equipment is improved, the use experience of a user is improved, and complaints from the user are reduced.
In an embodiment, if the relay of the kitchen electrical equipment fails, a preset reminding operation is executed to remind a user that the relay of the kitchen electrical equipment fails. Wherein, should predetermine and remind the operation and include following at least one: the voice broadcasting reminding sound or the reminding information is sent to the mobile equipment (mobile phone, tablet and intelligent wearable equipment and other equipment) of the user. When the relay of the kitchen electrical equipment breaks down, the preset reminding operation is executed, the intelligence of the kitchen electrical equipment is improved, and the use experience of a user is improved.
In one embodiment, the relay comprises a main relay and a standby relay, wherein the main relay and the standby relay are used for controlling the target load, and when the main relay is determined to have a fault, the current control signal is stopped from being input into the main relay, and the current control signal is input into the standby relay to control the relay. When the main relay breaks down, the standby relay is used for controlling the target load, the intelligence of the kitchen electrical equipment is greatly improved, and the use experience of a user is improved.
According to the kitchen electrical equipment control method provided by the embodiment, the current control signal of the input relay is obtained, and the current running current of the target load is obtained; then determining whether the relay has faults or not according to the current control signal and the current running current; and if the relay fails, sending maintenance reminding information to an after-sale server. The technical scheme can accurately detect whether the relay of the kitchen electrical equipment breaks down, and if the relay breaks down, maintenance reminding information is sent to the after-sales server, so that after-sales personnel can take corresponding after-sales maintenance measures, and the use experience of a user is improved.
Referring to fig. 3, fig. 3 is a schematic flow chart illustrating steps of another kitchen electrical equipment control method according to an embodiment of the present application.
As shown in fig. 3, the kitchen electrical appliance control method includes steps S201 to S204.
Step S201, when the load to be controlled is switched from the first target load to the second target load, stopping inputting the current control signal to the first relay.
The relay comprises a first relay and a second relay, the target load comprises a first target load and a second target load, the first relay is used for controlling the first target load, and the second relay is used for controlling the second target load.
In one embodiment, when the load to be controlled is switched from the current first target load to the second target load, the input of the current control signal to the first relay is stopped, so as to control the first target load to stop running.
And S202, after the preset time, inputting a current control signal to the second relay to control the second target load.
And when the first target load stops operating for a preset time, inputting a current control signal to the second relay, and controlling the second target load to operate according to the current control signal. Wherein. The preset time may be set according to an actual situation, which is not specifically limited in this application, and for example, the preset time may be set to 1 second.
Step S203, determining whether the operating current of the first target load is zero within a preset time after the input of the current control signal to the first relay is stopped.
And collecting the operating current of the first target load within a preset time after the current control signal is stopped being input to the first relay, obtaining the operating current of the first target load, and determining whether the operating current of the first target load is zero or not.
And step S204, if the operating current of the first target load is determined not to be zero, determining that the first relay has a fault, and sending maintenance reminding information to an after-sales server.
If the operating current of the first target load is determined to be zero, determining that the first relay does not have a fault; and if the operating current of the first target load is determined to be not zero, determining that the first relay has a fault, and sending maintenance reminding information to an after-sales server.
In the kitchen electrical appliance control method provided by the above embodiment, when the load to be controlled is switched from the first target load to the second target load, the input of the current control signal to the first relay is stopped; then after a preset time, inputting a current control signal to a second relay to control a second target load; determining whether the operating current of the first target load is zero within a preset time after the input of the current control signal to the first relay is stopped; and if the operating current of the first target load is determined to be not zero, determining that the first relay has a fault, and sending maintenance reminding information to an after-sales server. Whether the running current of the first target load is zero within the preset time is detected, whether the first relay breaks down is further determined, and if the first relay breaks down, maintenance reminding information is sent to an after-sales server, so that after-sales personnel can take corresponding after-sales maintenance measures, and the use experience of a user is improved.
Referring to fig. 4, fig. 4 is a schematic block diagram of a kitchen electrical device according to an embodiment of the present disclosure. The kitchen appliance can be a range hood, a refrigerator, a kitchen range, a dishwasher and the like.
As shown in fig. 4, the kitchen electrical appliance 300 includes a relay 302, a processor 303, and a memory 304 connected by a system bus 301, wherein the memory 304 may include a nonvolatile storage medium and an internal memory.
The non-volatile storage medium may store a computer program. The computer program includes program instructions that, when executed, cause a processor to perform any one of the kitchen appliance control methods.
The relay 302 is used to control the on or off of the load, and the relay 302 may be an electromagnetic relay, a solid state relay, a polarized relay, and the like.
The processor 303 is used to provide computing and control capabilities to support the operation of the entire kitchen appliance.
The internal memory provides an environment for running a computer program in the nonvolatile storage medium, and the computer program, when executed by the processor, causes the processor to execute any one of the kitchen appliance control methods.
It will be understood by those skilled in the art that the structures shown in the drawings are block diagrams of only some of the structures relevant to the present application, and do not constitute a limitation on the kitchen appliance to which the present application is applied, and a particular kitchen appliance may include more or fewer components than those shown in the drawings, or may combine some of the components, or have a different arrangement of components.
It should be understood that the bus 301 is, for example, an I2C (Inter-Integrated Circuit) bus, the Memory 304 may be a Flash chip, a Read-Only Memory (ROM), a magnetic disk, an optical disk, a usb disk, or a removable hard disk, the Processor 303 may be a Central Processing Unit (CPU), and the Processor may also be other general-purpose processors, Digital Signal Processors (DSP), Application Specific Integrated Circuits (ASIC), Field Programmable Gate Arrays (FPGA) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, or the like. Wherein a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
Wherein, in one embodiment, the processor is configured to execute a computer program stored in the memory to implement the steps of:
acquiring a current control signal input into the relay, and acquiring the current running current of the target load;
determining whether the relay has a fault according to the current control signal and the current operation current;
and if the relay fails, sending maintenance reminding information to an after-sale server.
In one embodiment, the processor, in implementing the determining whether the relay is malfunctioning based on the current control signal and the present operating current, is configured to implement:
determining a target operation current of the target load according to the current control signal, and determining whether the current operation current is matched with the target operation current;
if the current operating current is not matched with the target operating current, determining that the relay has a fault;
and if the current operation current is matched with the target operation current, determining that the relay does not have a fault.
In one embodiment, the processor, when implementing the determining the target operating current of the target load from the current control signal, is configured to implement:
acquiring a mapping relation table between a preset current control signal and the target running current;
and determining the target running current of the target load according to the current control signal and the mapping relation table.
In one embodiment, the processor, in effecting said determining whether the present operating current matches the target operating current, is operative to effect:
determining whether the present operating current and the target operating current are equal;
if the current operating current is equal to the target operating current, determining that the current operating current is matched with the target operating current;
and if the current operating current is not equal to the target operating current, determining that the current operating current is not matched with the target operating current.
In one embodiment, the relay includes a first relay and a second relay, the target loads include a first target load and a second target load, the first relay is configured to control the first target load, the second relay is configured to control the second target load, and the processor is further configured to implement:
when the load to be controlled is switched from the first target load to the second target load, stopping inputting a current control signal to the first relay;
and after a preset time, inputting a current control signal to the second relay to control the second target load.
In one embodiment, the processor is further configured to, after effecting the stopping of the input of the current control signal to the first relay:
determining whether the operating current of the first target load is zero within a preset time after the input of the current control signal to the first relay is stopped;
and if the operating current of the first target load is determined to be not zero, determining that the first relay has a fault, and sending maintenance reminding information to an after-sales server.
In one embodiment, the relay includes a main relay and a backup relay, both of which are used to control the target load, and the processor is further configured to implement:
and when the main relay is determined to have a fault, stopping inputting a current control signal to the main relay, and inputting a current control signal to the standby relay to control the relay.
In one embodiment, the processor, when implementing that the kitchen electrical appliance includes an opto-coupler, is configured to implement, when obtaining the present operating current of the target load:
and acquiring the current running current of the target load through the photoelectric coupler.
It should be noted that, as will be clearly understood by those skilled in the art, for convenience and brevity of description, the specific working process of the kitchen electrical equipment described above may refer to the corresponding process in the foregoing embodiment of the kitchen electrical equipment control method, and will not be described herein again.
Embodiments of the present application also provide a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, where the computer program includes program instructions, and when the program instructions are executed, a method implemented by the computer-readable storage medium may refer to the embodiments of the kitchen electrical equipment control method of the present application.
The computer readable storage medium may be an internal storage unit of the kitchen electrical device described in the foregoing embodiment, for example, a hard disk or a memory of the kitchen electrical device. The computer readable storage medium may also be an external storage device of the kitchen electrical equipment, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, which are provided on the kitchen electrical equipment.
It is to be understood that the terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the specification of the present application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should also be understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items. It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments. While the invention has been described with reference to specific embodiments, the scope of the invention is not limited thereto, and those skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the invention. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A kitchen appliance control method applied to a kitchen appliance including a relay for controlling a target load, the method comprising:
acquiring a current control signal input into the relay, and acquiring the current running current of the target load;
determining whether the relay has a fault according to the current control signal and the current operation current;
and if the relay fails, sending maintenance reminding information to an after-sale server.
2. The kitchen appliance control method of claim 1, wherein said determining whether the relay is malfunctioning based on the current control signal and the present operating current comprises:
determining a target operation current of the target load according to the current control signal, and determining whether the current operation current is matched with the target operation current;
if the current operating current is not matched with the target operating current, determining that the relay has a fault;
and if the current operation current is matched with the target operation current, determining that the relay does not have a fault.
3. The kitchen electrical appliance control method of claim 2, wherein said determining a target operating current of the target load from the current control signal comprises:
acquiring a mapping relation table between a preset current control signal and the target running current;
and determining the target running current of the target load according to the current control signal and the mapping relation table.
4. The kitchen electrical appliance control method of claim 2, wherein said determining whether the present operating current matches the target operating current comprises:
determining whether the present operating current and the target operating current are equal;
if the current operating current is equal to the target operating current, determining that the current operating current is matched with the target operating current;
and if the current operating current is not equal to the target operating current, determining that the current operating current is not matched with the target operating current.
5. The kitchen electrical appliance control method as recited in any one of claims 1 to 4, wherein the relay includes a first relay and a second relay, the target loads include a first target load and a second target load, the first relay is used to control the first target load, the second relay is used to control the second target load, the method further comprising:
when the load to be controlled is switched from the first target load to the second target load, stopping inputting a current control signal to the first relay;
and after a preset time, inputting a current control signal to the second relay to control the second target load.
6. The kitchen appliance control method according to claim 5, wherein after stopping the input of the current control signal to the first relay, further comprising:
determining whether the operating current of the first target load is zero within a preset time after the input of the current control signal to the first relay is stopped;
and if the operating current of the first target load is determined to be not zero, determining that the first relay has a fault, and sending maintenance reminding information to an after-sales server.
7. The kitchen electrical equipment control method of any of claims 1-4, wherein the relay includes a primary relay and a backup relay, both for controlling the target load, the method further comprising:
and when the main relay is determined to have a fault, stopping inputting a current control signal to the main relay, and inputting a current control signal to the standby relay to control the relay.
8. The kitchen electrical appliance control method of claim 1, wherein the kitchen electrical appliance includes an opto-coupler, and the obtaining the current operating current of the target load comprises:
and acquiring the current running current of the target load through the photoelectric coupler.
9. A kitchen appliance, characterized in that it comprises a relay, a processor, a memory, and a computer program stored on the memory and executable by the processor, wherein the computer program, when executed by the processor, implements the steps of the kitchen appliance control method according to any of claims 1 to 8.
10. A computer-readable storage medium, characterized in that a computer program is stored on the computer-readable storage medium, wherein the computer program, when being executed by a processor, realizes the steps of the kitchen electrical appliance control method according to any one of claims 1 to 8.
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