CN114553904A - WeChat applet-based remote motor control method - Google Patents
WeChat applet-based remote motor control method Download PDFInfo
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- CN114553904A CN114553904A CN202011343368.XA CN202011343368A CN114553904A CN 114553904 A CN114553904 A CN 114553904A CN 202011343368 A CN202011343368 A CN 202011343368A CN 114553904 A CN114553904 A CN 114553904A
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000004891 communication Methods 0.000 claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 230000003993 interaction Effects 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 238000012545 processing Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 9
- XOMKZKJEJBZBJJ-UHFFFAOYSA-N 1,2-dichloro-3-phenylbenzene Chemical compound ClC1=CC=CC(C=2C=CC=CC=2)=C1Cl XOMKZKJEJBZBJJ-UHFFFAOYSA-N 0.000 description 7
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- 239000000047 product Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
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- 230000001133 acceleration Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
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- 230000006837 decompression Effects 0.000 description 1
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- 238000005728 strengthening Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/02—Details
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
- H02P3/02—Details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/18—Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
Abstract
The invention provides a remote motor control method based on a WeChat applet, and belongs to the technical field of electronic information. It has solved the not high problem inadequately of current motor intelligence. The remote motor control method based on the WeChat small program comprises an electronic water pressure meter, a PCB and a cloud server, wherein the electronic water pressure meter is installed on a water pump attached to the motor, the cloud server is used for transmitting and analyzing, a processor, a wireless communication module and a man-machine interaction module are integrated on the PCB, a wireless communication template is communicated with the cloud server through a wireless router in the current area through a TCP/IP transmission protocol, the man-machine interaction module is used for achieving man-machine control and state display of the running state of the current motor, a motor driving system is arranged on the motor, the processor is connected with the motor driving system, and the motor driving system calculates the current voltage signal through the processor to control the motor. The invention has the advantages of simple and convenient operation, high intelligent degree and real-time monitoring.
Description
Technical Field
The invention belongs to the technical field of electronic information, and relates to a remote motor control method based on a WeChat applet.
Background
Common motors in the market generally use mechanical keys or mechanical knobs to control products, on one hand, the motors can be controlled on site, a large amount of manpower and material resources are needed, on the other hand, the motors cannot perform fault alarm even when encountering a series of problems, the more faults are accumulated, the whole equipment is finally influenced, meanwhile, the intelligence of the motors is not high enough, only the motors can mechanically complete the preset work tasks of the system, when encountering special problems, the current state cannot be judged according to various sensors, the motors can be damaged and a series of problems can be generated when continuing to perform operation, a control method of near-distance infrared control is also available, motor adjustment is performed through a water pump attached to the near-distance infrared control motor, the operation is too troublesome, and meanwhile, only apps of an ios system are supported.
The remote control has become one of the main control means of motor control, and with the continuous expansion of the application field, the operating environment of the motor product is more and more diversified, and correspondingly, the requirements for the remote control are diversified, including short-distance control, local area network control and even internet remote control and the like.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a control method for remotely controlling the operation of a motor through a WeChat small program.
The purpose of the invention can be realized by the following technical scheme: a remote motor control method based on WeChat small program comprises an electronic water pressure meter, a PCB and a cloud server for transmission, analysis and processing, wherein the electronic water pressure meter and the PCB are arranged on a water pump attached to a motor, it is characterized in that a processor, a wireless communication module and a man-machine interaction module are integrated on the PCB, the processor is used for collecting and processing voltage signals acquired by the electronic water pressure meter in real time, the wireless communication template is communicated with the cloud server through a TCP/IP transmission protocol through a wireless router in the current area, the human-computer interaction module is used for realizing human-computer control and state display of the current motor running state, the motor is provided with a motor driving system for receiving a voltage signal and driving the motor to operate, the processor is connected with a motor driving system, and the motor driving system controls the motor by calculating the current voltage signal through the processor.
In the above remote motor control device and method based on the WeChat applet, the electronic water pressure gauge is electrically connected with the processor through a connecting wire on the PCB, the electronic water pressure gauge collects sensor data and converts the data into voltage signals in real time, the processor collects and monitors current voltage signals through AD, and the processor and the wireless network module are both connected to the PCB through leads.
In the above remote motor control device and method based on the WeChat applet, the human-computer interaction module is a display screen with a capacitive touch function, and is located on the same PCB board as the processor and the wireless module, the human-computer interaction template is electrically connected with the processor and the wireless communication module through a circuit on the PCB board respectively, and can automatically configure a user name and a password of a current network for the wireless communication module in a code scanning connection mode, and set a water pressure during an operation process and a speed of the motor during a certain speed operation.
In the above device and method for remote motor control based on WeChat applet, the PCB board is further provided with a computer 485 interface capable of communicating with the outside.
In the above remote motor control device and method based on the wechat applet, the wireless communication module communicates with the cloud server through a wireless router in the current area through a TCP/IP transport protocol, the cloud server communicates with the wechat applet through the TCP/IP transport protocol, the wechat applet serves as the operation terminal of a user, can display the current state parameters of the motor in real time, and sends back an instruction to the wireless communication module through the cloud server, and the wireless communication module sends back a control instruction through the serial port communication processor.
In the above remote motor control device and method based on the wechat applet, the wechat applet performs data exchange with the cloud server through a TCP/IP transmission protocol and an SSL encryption protocol.
In the above remote motor control device and method based on WeChat applet, an MAC address is provided in the wireless communication module.
In the above-mentioned remote motor control device and method based on WeChat applet, the motor adopts two communication protocols with fixed length, wherein one shorter communication protocol contains display data to allow data to be displayed on the interface quickly, and one longer communication protocol contains register data to upload and issue some detailed data at regular time, so that the current operating state of the register can be known quickly through the data.
In the remote motor control device and method based on the WeChat small program, the electronic water pressure meter can convert a water pressure signal into a voltage signal in real time by internal calculation of the water pressure, and can intuitively reflect pressure data of 0-5 bar.
Compared with the prior art, the remote motor control device and method based on the WeChat small program have the following advantages:
1. the motor rotating speed and the real-time water pressure are intelligently adjusted in a remote control mode. The preset planned running time can be changed, so that the motor works as required according to the preset speed and the preset time monday to sunday. Meanwhile, data such as the current pressure state and the like are uploaded in real time, when the abnormal operation state is detected, the control system responds to the abnormal state in time, fault information is packaged and uploaded to a background, and the time and various corresponding conditions generated by the abnormal state can be inquired in detail through a table.
2. The user uses the mobile phone to send a control instruction to the cloud end, the cloud end sends a control code to the wireless communication module bound by the user, and the processor responds to start or stop the motor according to requirements. The small program end has the functions of water pressure regulation, rotating speed regulation, timing work and the like, a series of operation interaction processes can be watched immediately, and meanwhile, the flow is simple and the learning cost is low.
3. The control method provided by the invention can well meet the requirements of different crowds
The requirement of people on remote control is satisfied, and the installation of app is not needed, so that the learning cost is reduced, and the requirement of remote control is quickly realized in the simplest and most convenient mode.
Drawings
Fig. 1 is a control schematic diagram of the remote motor control method based on the WeChat applet.
In the figure, 1, an electronic water pressure meter; 2. a wireless communication module; 3. a human-computer interaction module; 4. a processor; 5. a PCB board; 6. a cloud server; 7. a motor drive system; 8. and a 485 interface of a computer.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1, the remote motor control method based on the WeChat applet comprises an electronic water pressure gauge 1 installed on a water pump attached to the motor, a PCB 5 and a cloud server 6 for transmission, analysis and processing, wherein a processor 4 is integrated on the PCB 5, the wireless communication module 2 and the human-computer interaction module 3, the treater 4 is used for collecting and handling the voltage signal that the electronic water pressure gauge 1 gathered in real time, the wireless communication template communicates through TCP/IP transmission protocol through wireless router and high in the clouds server 6 in the current region, the human-computer interaction module 3 is used for realizing human-computer control and the state display of current motor running state, be provided with on the motor and be used for accepting voltage signal and driving motor moving motor actuating system 7, the treater 4 is connected with motor actuating system 7, motor actuating system 7 calculates current voltage signal through the treater 4 and obtains carrying out the control to the motor.
Principle of operation
The processor 4 is locally responsible for acquiring voltage data of the electronic water pressure meter 1 and driving a bottom layer motor to work to complete man-machine interaction logic; the control data of the user received by the wireless communication module 2 is received through serial port processing, the related state of the current integral motor is packaged and transmitted to the wireless communication module 2, and the state information converted into the motor is sent to the cloud server 6.
The display data and the register data of the motor adopt a communication protocol with multi-byte data fixed, a user can generate corresponding control data to send to the motor by pressing a corresponding button in a WeChat applet, the control data is a section of 23-byte data information, and the specific contents are as follows: starting to be fixed data, representing whether the current data is a control instruction or a response instruction, and having control modes such as inquiry, modification and the like; the subsequent bytes contain the current required control information, and the control information comprises acceleration, deceleration, pressurization and decompression, and can be switched in real time according to the current state of the motor.
The man-machine interaction module 3 is a display screen, information such as water pressure, rotating speed, IPM temperature and the like can be directly observed through the screen, and a user can control the motor in real time through screen keys under the condition of no network.
The wireless communication module 2 exchanges data with a server and a WeChat applet terminal through a wireless router where the wireless communication module is located. The wireless network module can load a TCP/IP protocol; the server must have a public network IP address; the WeChat small program can remotely control the information such as the rotating speed of the motor and the like, process the current data in real time, and simultaneously have high authority to enable a user to change the bottom data of the motor, thereby finishing special requirements under specific conditions.
The motor can be added with a user account number to realize user-defined and personalized use.
According to the remote motor control method based on the WeChat small program, the water pump can realize the functions of constant-pressure water outlet, constant-speed water outlet, real-time water supplement according to water pressure and the like:
the automatic water feeding function of low water level is designed for solar water heater or other non-pressure-bearing electric water heater or electric water heater without timely water feeding function, and the specific realization mode is as follows: the water level sensor detects the water level, the man-machine interaction module 3 displays the water level, when the water level is below a low threshold, the man-machine interaction module 3 sends indication information, for example, an interaction part displaying the water level starts to flash, and a solenoid valve of the water feeding valve is controlled by a program to start automatic water feeding.
The voltage control is displayed in the WeChat small program, the required usage amount every day is dynamically planned, and heating is carried out as required, so that the purpose of saving energy is achieved.
In the application of multiple control modes, from the bottom layer protocol of the system to different communication modes and different link modes, various fault-tolerant and strengthening means are formed to improve the communication reliability of the motor control in a severe network environment, typical fault-tolerant means of communication include communication modes based on TCP, UDP and the like, TCP is connection-oriented, reliable, slow and message order guaranteed, UDP is connectionless, unreliable and without sequence guarantee, but a protocol for fast transmission has a much higher overhead than UDP, because more metadata needs to be sent in each data packet, wherein the size of the TCP header is 20 bytes and the size of the UDP header is 8 bytes. For the TCP protocol, stable data communication can be better guaranteed, while UDP can guarantee high-speed data transmission, but a small amount of data packets can still be lost.
The problem of losing a large amount of data exists in old communication, simultaneously in old communication, the cell-phone must download an installation appointed APP and just can carry out normal communication, this is obviously not a top-grade selection, so use little letter applet to realize motor control, little letter applet has and need not install, advantages such as convenient and fast can let the user need not to install the APP when using, accessible scans or directly adds the mode of public number and logs in little letter applet and swiftly directly carry out remote control to the motor.
Since the TCP-based communication mode can achieve good stability of data transmission, this communication method is used for the communication of the wechat applet. Firstly, a logical connection is established between a sending end motor and a receiving end WeChat small program, and then data is transmitted. In the TCP connection, a client and a server must be specified, the client sends a connection request to the server, and three handshakes are required for each connection creation.
And 1, the motor sends a connection request to the server side to wait for the server to confirm.
And 2, the server side sends a response signal to the motor to inform the client side of receiving the connection request.
And 3, the motor sends data to the server again to complete connection.
The TCP/IP protocol family is packed layer by layer from top to bottom according to the hierarchy.
The application layer provides a set of common applications to the user, such as email, file transfer access, telnet, etc. TELNET provides an interface for registration on other hosts on the network using TELNET protocol, TELNET sessions provide character-based virtual terminals, and file transfer access, FTP, provides file copy functions between machines on the network using FTP protocol.
The transport layer provides communication between applications. The functions of the device comprise: firstly, formatting information flow; and secondly, reliable transmission is provided. To achieve the latter, the transport layer protocol specifies that the receiver must send back an acknowledgement and, in case of packet loss, a retransmission.
The network layer is responsible for communication between adjacent computers. Its functions include three aspects.
First, a packet transmission request from the transport layer is processed, upon receipt of the request, the packet is packed into an IP datagram, the header is filled, a path to the sink machine is selected, and the datagram is then sent to the appropriate network interface.
Secondly, processing input datagram: checking its validity first and then routing-if the datagram has reached the sink, the header is removed and the remainder is handed over to the appropriate transport protocol; if the datagram has not yet arrived at the destination, the datagram is forwarded.
And thirdly, processing the problems of path, flow control, congestion and the like.
The network interface layer is the lowest layer of TCP/IP software and is responsible for receiving and sending IP datagrams through the network, or receiving physical frames from the network, extracting the IP datagrams and handing them over to the IP layer.
The communication fundamentally ensures the stability of data transmission.
Preferentially, the electronic water pressure meter 1 is electrically connected with the processor 4 through a connecting wire on the PCB 5, the electronic water pressure meter 1 collects sensor data and converts the data into voltage signals in real time, the processor 4 collects and monitors the current voltage signals through AD, the processor 4 is respectively connected with the bottom layer motor driving system 7, and the processor 4 and the wireless network module are both connected with the PCB 5 through leads.
Preferably, the PCB 5 is further provided with a computer 485 interface 8 capable of communicating with the outside.
Preferentially, the human-computer interaction module 3 is a display screen with a capacitance touch function, is positioned on the same PCB 5 with the processor 4 and the wireless module, is respectively electrically connected with the processor 4 and the wireless communication module 2 through a circuit on the PCB 5, can automatically configure a user name and a password of a current network for the wireless communication module 2 in a code scanning connection mode, and sets water pressure during operation and the speed of the motor during certain speed operation.
Preferentially, the wireless communication module 2 communicates with the cloud server 6 through a TCP/IP transmission protocol through a wireless router in the current area, the cloud server 6 communicates with the WeChat small program through the TCP/IP transmission protocol, the WeChat small program is used as the operation terminal of a user, the current state parameters of the motor can be displayed in real time, an instruction is transmitted back to the wireless communication module 2 through the cloud server 6, and the wireless communication module 2 transmits a control instruction back through the serial port communication processor 4.
Preferably, the wechat applet exchanges data with the cloud server 6 through a TCP/IP transport protocol and an SSL encryption protocol.
Preferentially, the wireless communication module 2 is internally provided with an MAC address, and when the wireless communication module 2 is registered by a user, a database in the server can bind the current WeChat account.
Preferably, the motor adopts two communication protocols with fixed length, wherein one shorter communication protocol comprises display data and can enable the data to be displayed on an interface quickly, and the other longer communication protocol comprises register data and can upload and issue some detailed data at regular time, so that the current running state of the register can be known quickly through the data.
Preferentially, the sub-water pressure gauge can convert the water pressure signal into a voltage signal in real time through internal calculation, the pressure data of 0-5bar can be intuitively reflected, the electronic water pressure gauge 1 is connected to the front end of the water pump, and the voltage condition of the water pump can be monitored by monitoring the electronic water pressure gauge 1.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (9)
1. A remote motor control method based on a WeChat small program comprises an electronic water pressure meter (1) arranged on a water pump attached to a motor, a PCB (5) and a cloud server (6) used for transmission and analysis processing, and is characterized in that a processor (4), a wireless communication module (2) and a human-computer interaction module (3) are integrated on the PCB (5), the processor (4) is used for collecting and processing voltage signals acquired by the electronic water pressure meter (1) in real time, the wireless communication module communicates with the cloud server (6) through a TCP/IP transmission protocol through a wireless router in a current area, the human-computer interaction module (3) is used for realizing human-computer control and state display of the running state of the current motor, a motor driving system (7) used for receiving the voltage signals and driving the motor to run is arranged on the motor, the processor (4) is connected with the motor driving system (7), and the motor driving system (7) controls the motor by calculating the current voltage signal through the processor (4).
2. The device and the method for remotely controlling the motor based on the WeChat applet, according to claim 1, are characterized in that the electronic water pressure gauge (1) is electrically connected with the processor (4) through a connecting wire on a PCB (5), the electronic water pressure gauge (1) collects sensor data and converts the data into voltage signals in real time, the processor (4) collects and monitors current voltage signals through AD, and the processor (4) and the wireless network module are both connected to the PCB (5) through leads.
3. The device and the method for controlling the motor remotely based on the WeChat applet according to claim 1, wherein the PCB board (5) is further provided with a computer 485 interface (8) capable of communicating with the outside.
4. The device and the method for remote motor control based on the WeChat applet according to claim 1, wherein the human-computer interaction module (3) is a display screen with a capacitive touch function, and is located on the same PCB (5) as the processor (4) and the wireless module, the human-computer interaction template is electrically connected with the processor (4) and the wireless communication module (2) through a circuit on the PCB (5), and can automatically configure a user name and a password of a current network for the wireless communication module (2) in a code scanning connection manner, so as to set a water pressure during an operation process and a speed of the motor during a certain speed operation.
5. The device and the method for remote motor control based on the WeChat applet according to claim 1, wherein the wireless communication module (2) communicates with the cloud server (6) through a TCP/IP transport protocol via a wireless router in the current area, the cloud server (6) communicates with the WeChat applet through the TCP/IP transport protocol, the WeChat applet is used as the operation terminal of the user, can display the current state parameters of the motor in real time and send back instructions to the wireless communication module (2) through the cloud server (6), and the wireless communication module (2) sends back control instructions through the serial communication processor (4).
6. The device and the method for remote motor control based on the WeChat applet as claimed in claim 4, wherein the WeChat applet exchanges data with the cloud server (6) through TCP/IP transmission protocol and SSL encryption protocol.
7. The device and the method for controlling the motor based on the WeChat applet according to claim 1, wherein the wireless communication module (2) is provided with a MAC address.
8. The device and the method for controlling the motor remotely based on the WeChat applet of claim 1, wherein the motor employs two communication protocols with fixed length, wherein a shorter communication protocol comprises display data to allow the data to be displayed on the interface quickly, and a longer communication protocol comprises register data to allow some detail data to be uploaded and downloaded regularly, so that the current operation status of the register can be known quickly through the data.
9. The device and the method for remote motor control based on the WeChat applet as claimed in claim 1, wherein the electronic water pressure gauge (1) can convert the water pressure signal into a voltage signal in real time by internal calculation of the water pressure, and can visually reflect the pressure data of 0-5 bar.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011343368.XA CN114553904A (en) | 2020-11-25 | 2020-11-25 | WeChat applet-based remote motor control method |
| PCT/CN2021/111453 WO2022110899A1 (en) | 2020-11-25 | 2021-08-09 | Remote motor control method based on wechat mini program |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011343368.XA CN114553904A (en) | 2020-11-25 | 2020-11-25 | WeChat applet-based remote motor control method |
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| CN114553904A true CN114553904A (en) | 2022-05-27 |
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| CN202011343368.XA Pending CN114553904A (en) | 2020-11-25 | 2020-11-25 | WeChat applet-based remote motor control method |
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| CN (1) | CN114553904A (en) |
| WO (1) | WO2022110899A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115967707A (en) * | 2022-12-06 | 2023-04-14 | 浙江桃园智能科技有限公司 | Digital communication protocol drive circuit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108613390A (en) * | 2018-05-15 | 2018-10-02 | 河海大学常州校区 | Remote control hot water apparatus based on wechat small routine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155905A (en) * | 2014-08-22 | 2014-11-19 | 南京领先环保技术有限公司 | Control system for remotely monitoring brushless motor, and control method thereof |
| CN105093109B (en) * | 2015-07-10 | 2018-10-02 | 中国矿业大学 | A kind of motor status wireless remote monitoring and interacted system and its method |
| WO2018195488A1 (en) * | 2017-04-21 | 2018-10-25 | SSI America INC. | Condition monitoring system and method |
| CN110442089A (en) * | 2018-05-04 | 2019-11-12 | 汉仲坤（上海）控制系统有限公司 | A kind of electric operator network monitoring system for things based on cloud service platform |
| CN109084835B (en) * | 2018-07-13 | 2021-06-22 | 中国科学院合肥物质科学研究院 | Motor detection and remote monitoring system based on PXIe test platform |
| CN211820026U (en) * | 2019-11-15 | 2020-10-30 | 浙江金开物联网科技有限公司 | Based on no hall fan of thing networking or water pump control system |
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2020
- 2020-11-25 CN CN202011343368.XA patent/CN114553904A/en active Pending
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- 2021-08-09 WO PCT/CN2021/111453 patent/WO2022110899A1/en active Application Filing
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108613390A (en) * | 2018-05-15 | 2018-10-02 | 河海大学常州校区 | Remote control hot water apparatus based on wechat small routine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115967707A (en) * | 2022-12-06 | 2023-04-14 | 浙江桃园智能科技有限公司 | Digital communication protocol drive circuit |
| CN115967707B (en) * | 2022-12-06 | 2023-10-20 | 浙江桃园智能科技有限公司 | Digital communication protocol driving circuit |
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| WO2022110899A1 (en) | 2022-06-02 |
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Application publication date: 20220527 |