CN112877987A - Washing machine control system in Internet of things mode - Google Patents
Washing machine control system in Internet of things mode Download PDFInfo
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- CN112877987A CN112877987A CN202110114761.XA CN202110114761A CN112877987A CN 112877987 A CN112877987 A CN 112877987A CN 202110114761 A CN202110114761 A CN 202110114761A CN 112877987 A CN112877987 A CN 112877987A
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- 238000005406 washing Methods 0.000 title claims abstract description 83
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 10
- 235000014676 Phragmites communis Nutrition 0.000 claims description 6
- 230000008054 signal transmission Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000008237 rinsing water Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Images
Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/04—Signal transfer or data transmission arrangements
- D06F34/05—Signal transfer or data transmission arrangements for wireless communication between components, e.g. for remote monitoring or control
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/22—Condition of the washing liquid, e.g. turbidity
- D06F34/24—Liquid temperature
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/28—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/16—Washing liquid temperature
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/18—Washing liquid level
Abstract
The invention discloses a washing machine control system in an Internet of things mode, which consists of a hardware part and a software part, and comprises the following steps: step one, a user logs in an APP and binds a washing machine; step two, a user issues a control instruction on the APP and transmits the control instruction to the WIFI module through the server; thirdly, the WIFI module inquires a control instruction and transmits the control instruction to the control panel; step four, the control panel outputs corresponding signals according to the control instructions and transmits the signals to the washing machine; step five, washing the clothes by the washing machine according to the signal; step six, the washing machine transmits the washing state quantity to the control panel; forming a feedback value by the control panel, and transmitting the feedback value to the server through the WIFI module; step eight, the server transmits the feedback value to the APP, and the user inquires through the APP; the invention has the beneficial effects that the invention is suitable for the field of the washing machine of the Internet of things, can effectively ensure the safety of the washing machine of the Internet of things in remote control, avoids the occurrence of safety accidents and simultaneously enhances the user experience.
Description
Technical Field
The invention relates to the technical field of washing machines, in particular to a washing machine control system in an internet of things mode.
Background
The washing machine is a cleaning electric appliance which utilizes the mechanical action generated by electric energy to wash clothes, mechanical force, washing liquid and water are three elements in the washing process of the washing machine, dirt is separated from clothes fibers under the action of the mechanical force generated by a moving part of the washing machine and the washing liquid, and the requirements of people on the washing machine are higher and higher along with the improvement of living standard.
The internet of things is a global informatization wave again after a computer, the internet and a mobile communication network, and from 1999, concepts related to the internet of things gradually enter the visual field of people, and the development of the internet of things is divided into four stages: the first stage is the networking of mainframes and hosts; the second stage is that the desktop computer and the notebook computer are connected with the Internet; the third stage is the interconnection of mobile devices such as mobile phones and the like; the fourth stage is the stage of the rising of the embedded internet, and more application devices closely related to the daily life of people, including washing machines, refrigerators, televisions, microwave ovens and the like, are added into lines and rows which are interconnected and communicated to finally form the internet of things, so that the remote control technology of the washing machine is rapidly improved along with the development of the internet of things technology.
However, the washing machine is different from other internet of things products, and the washing machine has certain safety problems in operation, such as: the invention is provided in view of the problems of water and electricity consumption, safety problems, unstable control and the like in the process of washing clothes.
Disclosure of Invention
The invention aims to solve the problems and designs a washing machine control system in an internet of things mode.
The technical scheme of the invention is that the washing machine control system in the Internet of things mode comprises a hardware part and a software part, wherein the hardware part and the software part work cooperatively; the control system comprises the following steps:
step one, a user logs in an APP and binds a washing machine;
step two, a user issues a control instruction on the APP and transmits the control instruction to the WIFI module through the server;
thirdly, the WIFI module inquires a control instruction and transmits the control instruction to the control panel;
step four, the control panel outputs corresponding signals according to the control instructions and transmits the signals to the washing machine;
step five, washing the clothes by the washing machine according to the signal;
step six, the washing machine transmits the washing state quantity to the control panel;
forming a feedback value by the control panel, and transmitting the feedback value to the server through the WIFI module;
and step eight, the server transmits the feedback value to the APP, and the user inquires through the APP.
As a further explanation of the present invention, the hardware part includes a driving module, an MCU control module, an input module, an output module and a UART communication module, the MCU control module is disposed on the control board, the MCU control module is electrically connected to the driving module, the output module includes a forward rotation motor, a reverse rotation motor, a water inlet valve, a drain valve, a heater, and a buzzer, and the input module includes a key display panel, a water level sensor, a temperature sensor, a safety switch, and a WIFI module.
As a further description of the present invention, the button display panel and the MCU control module realize signal transmission through a UART communication module, and the WIFI module and the MCU control module realize signal transmission through a UART communication module.
As a further explanation of the present invention, the safety switch includes a lid switch and a knock detection switch.
As a further explanation of the present invention, the upper cover switch is of a magnet-reed switch structure, and the tub collision detection switch is of a mechanical reed structure, wherein the reed switch is disposed on the control board, and the magnet is disposed on the upper cover of the washing machine.
As a further explanation of the present invention, the working voltage of the WIFI module is 3.3V, and the working voltage of the MCU control module is 5V.
As a further explanation of the present invention, the buzzer is controlled by two ways, one way controlling the power supply and the other controlling the vibration frequency.
As a further explanation of the invention, the software part comprises a BootLoader bootstrap program, WIF module serial port communication, Xmodem data transmission, state change and instruction response in the running process of the main program and water and electricity consumption calculation.
The washing machine control system has the beneficial effects that the washing machine control system is suitable for the field of washing machines of the Internet of things, the safety of the washing machines of the Internet of things in remote control can be effectively ensured, safety accidents are avoided, and the user experience is enhanced.
Drawings
FIG. 1 is a flow chart of a method of controlling a system of the present invention;
FIG. 2 is a schematic diagram of the hardware components of the present invention;
fig. 3 illustrates a circuit operation principle of the WIFI module according to the present invention;
FIG. 4 is a circuit operation principle of the buzzer according to the present invention;
FIG. 5 is a schematic diagram of the circuit operation of the forward and reverse rotating motors of the present invention;
FIG. 6 is a schematic diagram of the operation of the circuit for the inlet valve and the outlet valve according to the present invention;
FIG. 7 is a circuit operating principle of the heater according to the present invention;
FIG. 8 is a flowchart illustrating the operation of the BootLoader bootstrap program according to the present invention;
Detailed Description
Because now along with the improvement of standard of living, people also are higher and higher to the requirement of washing machine, combine washing machine and internet of things, washing machine's remote control technique has also obtained quick promotion, but washing machine is different from other internet of things products, and washing machine has certain safety problem in work, needs to pay attention to, for example: the water and electricity consumption, safety problems, unstable control and the like in the clothes washing process are solved, so that a washing machine control system in an internet of things mode is designed, and the technical scheme of the invention is explained in detail according to the attached drawings;
it should be noted that the control system of the present invention is composed of a hardware part and a software part, and the hardware part and the software part work together, as shown in fig. 1, the control system includes the following steps:
step one, a user logs in an APP and binds a washing machine;
step two, a user issues a control instruction on the APP and transmits the control instruction to the WIFI module through the server;
thirdly, the WIFI module inquires a control instruction and transmits the control instruction to the control panel;
step four, the control panel outputs corresponding signals according to the control instructions and transmits the signals to the washing machine;
step five, washing the clothes by the washing machine according to the signal;
step six, the washing machine transmits the washing state quantity to the control panel;
forming a feedback value by the control panel, and transmitting the feedback value to the server through the WIFI module;
and step eight, the server transmits the feedback value to the APP, and the user inquires through the APP.
As shown in fig. 2, the hardware part of the control system includes a driving module, an MCU control module, an input module, an output module, and a UART communication module; wherein the most core part is the MCU control module who sets up on the control panel, MCU control module and drive module electric connection, and the combination control panel through hardware part and software part has realized a great deal of functions, includes: APP remote control, voice control, software OTA, heating washing, appointment ending, process self-programming, fault alarm function and indication, selection of 16 washing modes, statistics and check of water and electricity consumption;
the output module comprises a forward rotation motor, a reverse rotation motor, a water inlet valve, a drain valve, a heater and a buzzer, and the input module comprises a key display panel, a water level sensor, a temperature sensor, a safety switch and a WIFI module; the safety switch is divided into two paths, namely an upper cover switch and a collision barrel detection switch, the upper cover switch is in a magnet-reed pipe structure, the reed pipe is arranged on the control panel, the magnet is arranged on the upper cover of the washing machine, the upper cover is closed, the reed pipe is conducted, the MCU control module detects a low level signal, the upper cover is opened, the reed pipe is disconnected, the MCU control module detects a high level signal, the collision barrel detection switch is in a mechanical elastic sheet structure, the principle of the collision barrel detection switch is the same as that of the safety switch, the collision barrel detection switch is connected with a water level detection circuit when the circuit is designed, the collision barrel detection switch is matched with the LC circuit in the water level sensor, the LC oscillation frequency is shaped and filtered, and then the frequency value is calculated;
the button display panel, the MCU control module, the WIFI module and the MCU control module are all in signal transmission through a UART communication module, a circuit diagram of the WIFI module is shown in figure 3, the working voltage of the WIFI module is 3.3V, the working voltage of the MCU control module is 5V, and the UART communication modules among the button display panel, the MCU control module and the WIFI module need to pass through a voltage conversion circuit;
as shown in fig. 4, the buzzer outputs chord tones, the buzzer adopts two-way control, one way controls the power supply of the buzzer, the power supply is turned on when the sound is required to be sounded, and the other end controls the vibration frequency of the buzzer according to the types of the chord tones;
in the scheme of using silicon controlled optocoupler MOC3061+8A bidirectional silicon controlled rectifiers at the motor control ends of the forward rotation motor and the reverse rotation motor in the figure 5, RC circuits are connected in parallel at two ends of the silicon controlled rectifiers T1 and T2 to absorb the directional electromotive force generated when the motors stop; the control terminals of the inlet and outlet valves in FIG. 6 use 5A, 250V relays; the heater in fig. 7 is 220V, 1300W, controlled using a 16A relay.
The software part of the control system comprises an internet of things control part, a software OTA function, a water and electricity statistical function and a washing machine basic function, the basic function of the washing machine is realized by a universal module, and the other functions are realized by a BootLoader bootstrap program, WIF module serial port communication, Xmodem data transmission, state change and instruction response in the running process of a main program and water and electricity consumption calculation which are specifically explained below;
the operation flow chart of the BootLoader bootstrap program is shown in fig. 8, after the system is powered on, the MCU automatically enters the BootLoader bootstrap code area to operate, and determines whether software upgrading is needed. If the upgrade request does not exist, the program jumps out of the BootLoader and directly enters the main program area to run, if the upgrade request exists, the content of the upgrade program cache area 0x7C 00-0 xF7FF is written into the program running area, each data is read out after being written in, primary verification is carried out, and the program enters the main program area to run after erasing and writing are finished;
the WIF module serial port communication has four parts when being realized, which are respectively serial port initialization, serial port receiving and sending interruption, one byte sending and one byte receiving, a data processing function to be sent is UART1 _ SendProcess, and data is updated every 8 ms. The method comprises the steps that data to be sent are stored in an address range beginning with an address pointed by a character string pointer UART1 _ SendBufPoint, line-change symbols are used as end marks, 1 time of data are sent to a WIFI module every 200ms, a received data processing function is UART1 _ ReceiverProcesses, whether a data receiving completion mark exists or not is detected every 8ms, the received data are stored in an array UART1 _ ReceiverBuf, if the data receiving completion mark exists, the received data are analyzed, serial ports receive and send interrupt to automatically process the data pointed by the SendBufPoint, or the received data are automatically stored in an array UART1 _ ReceiverBuf;
when the system receives an update _ fw instruction, which means that a software upgrading instruction is received, the MCU enters a data transmission process of an Xmodem protocol;
the system state of the washing machine comprises a shutdown state, a standby state, an operation state, a pause state, a fault state, a reservation state, an operation ending state and an overflow automatic drainage state, wherein the operation process comprises a fuzzy weighing process, a soaking process, a washing process, a rinsing process and a dewatering process; when the system or the operation process changes, the system actively reports the current state to the server; in the running process of the main program, the intelligent control end can carry out operations such as starting, shutting down, pausing and starting on the washing machine system, and can also carry out setting of various washing modes and washing parameters, and the parameters of the washing machine system are stored in a structural body RunningParameteres;
the calculation of the water and electricity consumption is divided into the calculation and calculation of the water consumption and the calculation of the electricity consumption, wherein, the calculation formula of the water consumption calculation is that the period water consumption is equal to the program washing water level water consumption and the rinsing water consumption (the washing water consumption is 0.6 multiplied by the rinsing times), the water quantity of the heated cooling water supplement is calculated according to each grade of 2L, if the water level is changed in the operation process, the calculation is carried out according to the changed water level, and the corresponding relation of the water level gear and the frequency and the water quantity is shown as the following table;
calculating heating time t according to the heating temperature and water level of each period during power consumption statistics, calculating heating power consumption Q1 as 1350W heating time t, washing, rinsing and dewatering power consumption Q2 as 100W operation time t, and total power consumption Q as Q1+ Q2(W h); after the washing machine is operated, the consumed electricity and water consumption of the current operation are reported to the server, and a user can check the water and electricity statistics of the current time, the current day, the current week and the current month on the mobile phone APP.
The washing machine control system is suitable for the field of the washing machine with the Internet of things, can effectively ensure the safety of the washing machine with the Internet of things in remote control, avoids safety accidents and simultaneously enhances user experience.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (8)
1. The washing machine control system in the Internet of things mode is characterized by comprising a hardware part and a software part, wherein the hardware part and the software part work cooperatively; the control system comprises the following steps:
step one, a user logs in an APP and binds a washing machine;
step two, a user issues a control instruction on the APP and transmits the control instruction to the WIFI module through the server;
thirdly, the WIFI module inquires a control instruction and transmits the control instruction to the control panel;
step four, the control panel outputs corresponding signals according to the control instructions and transmits the signals to the washing machine;
step five, washing the clothes by the washing machine according to the signal;
step six, the washing machine transmits the washing state quantity to the control panel;
forming a feedback value by the control panel, and transmitting the feedback value to the server through the WIFI module;
and step eight, the server transmits the feedback value to the APP, and the user inquires through the APP.
2. The washing machine control system in the internet of things mode according to claim 1, wherein the hardware part comprises a driving module, an MCU control module, an input module, an output module and a UART communication module, the MCU control module is arranged on the control panel, the MCU control module is electrically connected with the driving module, the output module comprises a forward rotation motor, a reverse rotation motor, a water inlet valve, a drain valve, a heater and a buzzer, and the input module comprises a key display panel, a water level sensor, a temperature sensor, a safety switch and a WIFI module.
3. The internet-of-things mode washing machine control system as claimed in claim 2, wherein signal transmission is achieved between the key display board and the MCU control module through a UART communication module, and signal transmission is achieved between the WIFI module and the MCU control module through a UART communication module.
4. The internet-of-things mode washing machine control system as claimed in claim 2, wherein the safety switch comprises a top cover switch and a barrel collision detection switch.
5. The internet-of-things mode washing machine control system as claimed in claim 4, wherein the upper cover switch is of a magnet-reed pipe structure, the tub collision detection switch is of a mechanical spring structure, the reed pipe is arranged on the control panel, and the magnet is arranged on the upper cover of the washing machine.
6. The internet-of-things mode washing machine control system of claim 2, wherein the operating voltage of the WIFI module is 3.3V, and the operating voltage of the MCU control module is 5V.
7. The internet-of-things mode washing machine control system as claimed in claim 2, wherein the buzzer is controlled in two ways, one way controlling the power supply and the other way controlling the vibration frequency.
8. The internet-of-things mode washing machine control system as claimed in claim 1, wherein the software part comprises a BootLoader bootstrap program, WIF module serial port communication, Xmodem data transmission, state change and instruction response in the running process of a main program, and water and electricity consumption calculation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110114761.XA CN112877987A (en) | 2021-01-27 | 2021-01-27 | Washing machine control system in Internet of things mode |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110114761.XA CN112877987A (en) | 2021-01-27 | 2021-01-27 | Washing machine control system in Internet of things mode |
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|---|---|---|---|---|
| EP2439840A1 (en) * | 2010-10-11 | 2012-04-11 | Askoll Holding S.r.l. | Method for controlling the discharge pump of a household appliance and processing unit for implementing said method |
| CN106637805A (en) * | 2015-10-30 | 2017-05-10 | 青岛海尔滚筒洗衣机有限公司 | Internet of Things washing machine control method and control system and washing machine |
| CN107385770A (en) * | 2017-06-01 | 2017-11-24 | 青岛海尔洗衣机有限公司 | A kind of washing machine Anti-collision barrel switch and washing machine |
| CN108978118A (en) * | 2018-07-30 | 2018-12-11 | 厦门悠生活网络科技有限公司 | Shared washing machine, control method and storage medium |
| KR20180137147A (en) * | 2017-06-16 | 2018-12-27 | 삼성전자주식회사 | Washing machine system having the same and controlling method of washing machine |
| CN111962254A (en) * | 2020-08-19 | 2020-11-20 | 海信（山东）冰箱有限公司 | Control method of washing machine and washing machine |
-
2021
- 2021-01-27 CN CN202110114761.XA patent/CN112877987A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2439840A1 (en) * | 2010-10-11 | 2012-04-11 | Askoll Holding S.r.l. | Method for controlling the discharge pump of a household appliance and processing unit for implementing said method |
| CN106637805A (en) * | 2015-10-30 | 2017-05-10 | 青岛海尔滚筒洗衣机有限公司 | Internet of Things washing machine control method and control system and washing machine |
| CN107385770A (en) * | 2017-06-01 | 2017-11-24 | 青岛海尔洗衣机有限公司 | A kind of washing machine Anti-collision barrel switch and washing machine |
| KR20180137147A (en) * | 2017-06-16 | 2018-12-27 | 삼성전자주식회사 | Washing machine system having the same and controlling method of washing machine |
| CN108978118A (en) * | 2018-07-30 | 2018-12-11 | 厦门悠生活网络科技有限公司 | Shared washing machine, control method and storage medium |
| CN111962254A (en) * | 2020-08-19 | 2020-11-20 | 海信（山东）冰箱有限公司 | Control method of washing machine and washing machine |
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