CN112804127A - Water heater based on thing networking - Google Patents
Water heater based on thing networking Download PDFInfo
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- CN112804127A CN112804127A CN202110141117.1A CN202110141117A CN112804127A CN 112804127 A CN112804127 A CN 112804127A CN 202110141117 A CN202110141117 A CN 202110141117A CN 112804127 A CN112804127 A CN 112804127A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L12/2823—Reporting information sensed by appliance or service execution status of appliance services in a home automation network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L2012/284—Home automation networks characterised by the type of medium used
- H04L2012/2841—Wireless
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L2012/2847—Home automation networks characterised by the type of home appliance used
- H04L2012/285—Generic home appliances, e.g. refrigerators
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Automation & Control Theory (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
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Abstract
The invention provides a water heater based on the Internet of things, which comprises a power module, a communication module and a controller, wherein the power module is used for supplying power to the water heater; the power module is used for being connected with a circuit to supply power to the water heater; the communication module is used for connecting with a network to realize wireless communication with a client terminal; the controller is used for adjusting the working state of the water heater under the control of the client terminal, feeding back an abnormal condition to the client terminal when the abnormal condition occurs, and automatically recovering the working state of the water heater after the abnormal condition is relieved. Through the operating condition of controller real time monitoring power module and communication module, not only can feed back unusually to client terminal when unusual situation appears, can also remove back automatic recovery work at unusual situation for at home the back that appears cutting off the power supply or cutting off the power network, the water heater can realize the networking of automatic recovery power supply through the effect of controller, has solved the unable automatic recovery power supply of current thing networking problem of networking of thing networking water heater after cutting off the power supply and cutting off the power network.
Description
Technical Field
The invention relates to the technical field of water heaters, in particular to a water heater based on the Internet of things.
Background
The Internet of things (IoT), i.e., "Internet of things," is an extended and expanded network based on the Internet, and combines various information sensing devices with the Internet to form a huge network, thereby realizing the intercommunication of people, machines and things at any time and any place.
The water heater is a device which can increase the temperature of cold water into hot water in a certain time by various physical principles. At present, the household water heater is usually an electric water heater, a gas water heater or a solar water heater.
With the development of the internet of things technology, people hope that the water heater also has the characteristic of internet of things, so that the using satisfaction degree of the water heater is improved. At present, on the premise of connecting a power supply and a network, a water heater based on the characteristics of the Internet of things can be remotely connected with a client terminal in a control mode, so that a user can control the water heater through the client terminal, such as temperature regulation, preheating and the like.
However, the existing water heater with the internet of things characteristic cannot reestablish network connection after power failure or network disconnection occurs in the home, so that the remote control of a user is interrupted. In order to restore the remote control function, the user must wait for the network connection to be reestablished when the user returns home.
Disclosure of Invention
The invention aims to provide a water heater based on the Internet of things, and the water heater aims to solve the problem that the existing water heater based on the Internet of things cannot automatically recover power supply networking after power failure and power failure.
In order to solve the technical problems, the invention provides a water heater based on the internet of things, which comprises a power module, a communication module and a controller, wherein the power module is used for supplying power to the water heater; the power module is used for being connected with a circuit to supply power to the water heater; the communication module is used for connecting with a network to realize wireless communication with a client terminal; the controller is used for adjusting the working state of the water heater under the control of the client terminal, feeding back an abnormal condition to the client terminal when the abnormal condition occurs, and automatically recovering the working state of the water heater after the abnormal condition is relieved.
Optionally, in the internet of things-based water heater, the controller includes an instruction receiving module, a state monitoring module, a data recording module, an anomaly feedback module, and an operation control module; the instruction receiving module is used for receiving the control instruction transmitted by the client terminal through the communication module; the state monitoring module is used for monitoring the power supply state of the power module and the wireless communication state of the communication module in real time; the data recording module is used for recording the result data monitored by the state monitoring module in real time; the abnormal feedback module is used for feeding back corresponding result data recorded by the data recording module to the client terminal through the communication module when the state monitoring module monitors an abnormal state; the operation control module is used for adjusting the working state of the water heater according to the control instruction received by the instruction receiving module and recovering the working state of the water heater after the abnormal condition is relieved.
Optionally, in the internet of things-based water heater, the wireless communication state of the communication module includes a connection state of the communication module with the network and a communication state of the communication module with the client terminal.
Optionally, in the internet of things-based water heater, the state monitoring module includes an electric power monitoring unit, a network monitoring unit and a communication monitoring unit; the power monitoring unit is used for monitoring the power supply state of the power module; the network monitoring unit is used for monitoring the connection state of the communication module and the network; the communication monitoring unit is used for monitoring the communication state of the communication module and the client terminal.
Optionally, in the internet of things-based water heater, the operation control module includes an automatic power-on unit and an automatic networking unit; the automatic power-on unit is used for automatically recovering the power supply of the water heater after the power monitoring unit monitors that the power supply of the power module is recovered to be normal; the automatic networking unit is used for automatically establishing the connection between the communication module and the network and the communication connection between the communication module and the client terminal after the network monitoring unit monitors that the network used for connecting the communication module is recovered to be normal.
Optionally, in the internet of things-based water heater, the data recording module includes a state receiving unit, a state analyzing unit and a state storing unit; the state receiving unit is used for receiving result data monitored by the state monitoring module in real time; the state analysis unit is used for classifying the result data according to a preset rule; and the state storage unit is used for storing the result data analyzed by the state analysis unit according to a preset condition.
Optionally, in the internet of things-based water heater, the preset rule includes: and classifying according to the result data corresponding to the power supply state of the power module or the wireless communication state of the communication module, and/or classifying according to the result data corresponding to a normal condition or an abnormal condition.
Optionally, in the internet of things-based water heater, the preset condition includes: and storing the power supply state of the power module or the wireless communication state of the communication module according to the result data, and/or storing the result data according to a normal condition or an abnormal condition.
Optionally, in the internet of things-based water heater, the result data includes: monitoring time, a power supply state of a power module and a wireless communication state of the communication module; the power supply state comprises a normal power supply state and a power off state; the wireless communication state comprises a communication normal state, a network disconnection state and a network disconnection state.
Optionally, in the water heater based on the internet of things, the controller further includes an alarm module, and the alarm module is configured to alarm when the state monitoring module monitors an abnormal condition.
The invention provides a water heater based on the Internet of things, which comprises a power module, a communication module and a controller, wherein the power module is used for supplying power to the water heater; the power module is used for being connected with a circuit to supply power to the water heater; the communication module is used for connecting with a network to realize wireless communication with a client terminal; the controller is used for adjusting the working state of the water heater under the control of the client terminal, feeding back an abnormal condition to the client terminal when the abnormal condition occurs, and automatically recovering the working state of the water heater after the abnormal condition is relieved. Through the operating condition of controller real time monitoring power module and communication module, not only can feed back unusually to client terminal when unusual situation appears, can also remove back automatic recovery work at unusual situation for at home the back that appears cutting off the power supply or cutting off the power network, the water heater can realize the networking of automatic recovery power supply through the effect of controller, has solved the unable automatic recovery power supply of current thing networking problem of networking of thing networking water heater after cutting off the power supply and cutting off the power network.
Drawings
Fig. 1 is a schematic structural diagram of a water heater provided in this embodiment;
fig. 2 is a schematic structural diagram of a controller of the water heater provided in the present embodiment;
FIG. 3 is a logic flow diagram of a data recording module of the water heater provided in the present embodiment;
wherein the reference numerals are as follows:
100-a power module; 200-a communication module; 300-a controller; 310-an instruction receiving module; 320-a status monitoring module; 330-data recording module; 340-anomaly feedback module; 350-operating the control module; 360-an alarm module; 400-a network; 500-client terminal.
Detailed Description
The internet of things-based water heater provided by the invention is further described in detail with reference to the accompanying drawings and specific embodiments. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention. Further, the structures illustrated in the drawings are often part of actual structures. In particular, the drawings may have different emphasis points and may sometimes be scaled differently.
The embodiment provides an internet of things-based water heater, as shown in fig. 1, the water heater includes a power module 100, a communication module 200 and a controller 300; the power module 100 is used for connecting with a circuit (for example, a power supply VDD) to supply power to the water heater; the communication module 200 is used for connecting with a network 400 to realize wireless communication with a client terminal 500; the controller 300 is configured to adjust an operating state of the water heater under the control of the client terminal 500, feed back an abnormal condition to the client terminal 500 when the abnormal condition occurs, and automatically restore the operating state of the water heater after the abnormal condition is released.
It should be noted that the "operating state" in the specification and claims of the present invention refers to a state in which the water heater can heat water under certain conditions and there is no abnormal condition; the "abnormal condition" includes power failure of the power module 100 and/or power failure of the communication module 200, and the like.
The water heater based on the internet of things provided by the embodiment monitors the working states of the power module 100 and the communication module 200 in real time through the controller 300, can feed back abnormity to the client terminal 500 when abnormal conditions occur, and can automatically recover to work after the abnormal conditions are relieved, so that after power failure or network disconnection occurs at home, the water heater can realize automatic recovery power supply networking through the effect of the controller, and the problem that the existing water heater based on the internet of things cannot automatically recover power supply networking after power failure and network disconnection is solved.
Specifically, in the present embodiment, as shown in fig. 2, the controller 300 includes an instruction receiving module 310, a status monitoring module 320, a data recording module 330, an anomaly feedback module 340, and an operation control module 350; the instruction receiving module 310 is configured to receive a control instruction transmitted by the client terminal 500 through the communication module 200; the state monitoring module 320 is configured to monitor a power supply state of the power module 100 and a wireless communication state of the communication module 200 in real time; the data recording module 330 is configured to record result data monitored by the status monitoring module 320 in real time; the anomaly feedback module 340 is configured to, when the state monitoring module 320 monitors an anomaly condition, feed back corresponding result data recorded by the data recording module 330 to the client terminal 500 through the communication module 200; the operation control module 350 is configured to adjust the operating state of the water heater according to the control command received by the command receiving module 310, and restore the operating state of the water heater after the abnormal condition is resolved.
In the embodiment, since the communication module 200 of the water heater and the client terminal 500 are connected through wireless communication, the water heater needs to be connected to a network 400 through the communication module 200, so as to realize wireless communication between the communication module 200 and the client terminal 500. The wireless communication state of the communication module 200 includes a connection state of the communication module 200 with the network 400 and a communication state of the communication module 200 with the client terminal 500.
Further, in this embodiment, the state monitoring module 320 includes a power monitoring unit, a network monitoring unit and a communication monitoring unit; the power monitoring unit is used for monitoring the power supply state of the power module 100; the network monitoring unit is configured to monitor a connection state between the communication module 200 and the network 400; the communication monitoring unit is configured to monitor a communication state between the communication module 200 and the client terminal 500.
Specifically, the power monitoring unit may be disposed between the power module 100 and a power supply circuit (e.g., a power supply VDD), when the VDD is powered, current flows through both the power monitoring unit and the power module 100, and at this time, the controller 300 may recognize that the circuit module 100 can provide a voltage required by the normal operation of the water heater because the current flows through the power monitoring unit; when the VDD is powered off, and no current flows through the power monitoring unit, the controller 300 can determine that the circuit module 100 cannot provide the voltage required by the normal operation of the water heater. To ensure that the controller 300 can still make a determination in case of power failure, an additional battery, such as a rechargeable battery, may be added to the controller 300 to provide current to operate the controller 300 in case of power failure.
In addition, the network monitoring unit and the communication monitoring unit may be transceivers capable of timing the transmission and reception of the unit byte signal with a specific object. For example, a wireless network connection exists between the communication monitoring unit and the client terminal 500, and the two can receive and transmit the unit byte signal to each other, so that it can be determined whether the network connection and the wireless communication are normal. Certainly, the signal used for judgment may be any other signal, and the embodiment adopts the unit byte signal because the unit byte signal occupies a small space and has a high signal sensitivity. Other ways may also exist for the specific implementation of determining the network connection state and the communication state, and are not described herein again.
In this embodiment, the operation control module 350 includes an automatic power-on unit and an automatic networking unit; the automatic power-on unit is used for automatically recovering the power supply of the water heater after the power monitoring unit monitors that the power supply of the power module 100 is recovered to be normal; the automatic networking unit is configured to automatically establish a connection between the communication module 200 and the network 400 and a communication connection between the client terminal 500 after the network monitoring unit monitors that the network to which the communication module 200 is connected is recovered to be normal.
Specifically, the automatic power-on unit may be a switch arranged between the power module and other power supply lines of the water heater. In order to protect the water heater from being broken down by overcurrent, a switch is arranged between the power module 100 and other functional modules, and when the power monitoring unit monitors power failure, the switch in the automatic power-on unit is automatically turned off, so that the water heater is prevented from being short-circuited due to current breakdown on other functional modules after power supply is restored; when the power monitoring unit monitors that the power supply is normal, after the current and voltage of the power module 100 are stable, the circuit connection between the power module 100 and other functional modules is recovered, so that the other functional modules can be normally used. The specific designs of overload protection, overcurrent protection, automatic switches, etc. are well known to those skilled in the art and will not be described herein.
In addition, the design of the automatic networking unit is similar to the functional design of a mobile phone for automatically searching hot spots and automatically connecting. When the network monitoring unit monitors that the network used for connecting the communication module is recovered to be normal, the automatic networking unit automatically realizes connection with the network, so that the network connection state is recovered. The specific implementation manner may refer to an implementation manner in which the mobile phone is automatically connected to the WiFi, and details are not described here. When the network connection state is normal, the communication module 200 further automatically implements a wireless communication state with the client terminal 500 through the automatic networking unit.
In the water heater provided by this embodiment, the data recording module 330 includes a state receiving unit, a state analyzing unit and a state storing unit; the state receiving unit is used for receiving result data monitored by the state monitoring module in real time; the state analysis unit is used for classifying the result data according to a preset rule; and the state storage unit is used for storing the result data analyzed by the state analysis unit according to a preset condition.
Specifically, in this embodiment, the state analysis unit classifies the power supply state of the power module 100 or the wireless communication state of the communication module 200 according to the result data, and/or classifies the normal state or the abnormal state according to the result data. The state storage unit stores the power supply state of the power module 100 or the wireless communication state of the communication module 200 according to the result data, and/or stores the result data according to a normal state or an abnormal state.
Referring to fig. 3, in the present embodiment, the work flow of the data recording module 330 is substantially as follows: first, a status receiving unit receives, in real time, result data monitored by the status monitoring module, where in this embodiment, the result data includes: monitoring time, a power supply state of a power module and a wireless communication state of the communication module; the power supply state comprises a normal power supply state and a power off state; the wireless communication state comprises a communication normal state, a network disconnection state and a network disconnection state. Then, the state analysis unit classifies the power supply state of the power module 100 or the wireless communication state of the communication module 200 according to the result data; then, it is determined whether the power supply state and the wireless communication state correspond to a normal state or an abnormal state. And finally, the state storage unit stores the classified result data according to the category, preferably, the storage comprises the data acquisition time, the state code and the like, so that the data can be conveniently called and transmitted.
Preferably, after the abnormal condition occurs and the power supply networking is resumed, the controller 300 may feed back result data related to the abnormal condition to the client terminal 500 through the communication module 200, so that the user can know the power supply networking state of the water heater through the client terminal 500.
In the internet of things-based water heater provided by this embodiment, as shown in fig. 2, the controller 300 further includes an alarm module 360, and the alarm module 360 is configured to alarm when the state monitoring module 320 monitors an abnormal condition. The alarm module 360 may be specifically an alarm lamp, a buzzer, or the like. The configuration of alarm module 360 is well known to those skilled in the art and will not be described in detail herein.
The following describes the implementation of the present invention by taking the actual operation of the water heater provided in the present embodiment as an example.
After the water supply power supply line of the water heater is installed, the water heater is wirelessly connected with a WiFi router in a home of a user, at the moment, the mobile phone of the user is also wirelessly connected with the WiFi router in the home, at the moment, the water heater and the mobile phone are in the same wireless communication mode, at the moment, the mobile phone and the water heater can be locked through IP or PIN codes through the specific APP of the mobile phone, and therefore the mobile phone can be connected with a mobile data network (honeycomb) or other WiFi devices to achieve information interaction.
After the network setting is completed, the communication module of the water heater can automatically save the relevant configuration of the network connection at the moment, and the relevant configuration can be called after the power failure restart.
Assuming that the power failure and network disconnection occur in 9:00 am in home, at this time, the state monitoring module 320 of the controller 300 monitors the power failure and network disconnection state, stores result data corresponding to the state in the data recording module 330, and sends the power failure abnormal condition occurring in 9:00 to the mobile phone of the user through the communication module 200; when the power supply is recovered at 12:00 noon, the WiFi router in the home can automatically recover the network coverage after the power supply is recovered, and at the moment, the state monitoring module 320 of the controller 300 monitors that the power supply and the network supply are recovered, so that the communication module 200 can reestablish the connection with the WiFi router network, and further, the connection with the mobile phone of the user is recovered; after normal connection, the abnormal feedback module 340 of the controller 300 sends the result data of the incoming call to the mobile phone of the user through the communication module 200, so that the user can know that power failure occurs in the home of 9: 00-12: 00 and the normal state is recovered.
In addition, the user can also remotely control the controller 300 through the mobile phone, for example, by issuing a command of "adjusting the heating water temperature to 40 ℃ through the communication module 200, and the command receiving module 310 of the controller 300 makes the operation control module 350 correspondingly adjust the heating temperature to 40 ℃ after receiving the command. These instructions can be for the regulation of heating temperature, regularly open/close heating function, open dormancy function, set up operating time period etc. to not only can realize long-range temperature regulation, can also practice thrift the electric energy.
If the controller 300 of the water heater further comprises the alarm module 360, when an abnormal condition occurs, the alarm module 360 can give an alarm, and when a person is in the house, the abnormal condition of the water heater can be known in time. Preferably, different abnormal conditions can be distinguished by setting alarm codes reported by a display screen; or a buzzer is arranged, and different abnormal conditions are distinguished through different sounds.
In summary, the water heater based on the internet of things provided by the embodiment includes a power module, a communication module and a controller; the power module is used for being connected with a circuit to supply power to the water heater; the communication module is used for connecting with a network to realize wireless communication with a client terminal; the controller is used for adjusting the working state of the water heater under the control of the client terminal, feeding back an abnormal condition to the client terminal when the abnormal condition occurs, and automatically recovering the working state of the water heater after the abnormal condition is relieved. Through the operating condition of controller real time monitoring power module and communication module, not only can feed back unusually to client terminal when unusual situation appears, can also remove back automatic recovery work at unusual situation for at home the back that appears cutting off the power supply or cutting off the power network, the water heater can realize the networking of automatic recovery power supply through the effect of controller, has solved the unable automatic recovery power supply of current thing networking problem of networking of thing networking water heater after cutting off the power supply and cutting off the power network.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (10)
1. The water heater based on the Internet of things is characterized by comprising a power module, a communication module and a controller; the power module is used for being connected with a circuit to supply power to the water heater; the communication module is used for connecting with a network to realize wireless communication with a client terminal; the controller is used for adjusting the working state of the water heater under the control of the client terminal, feeding back an abnormal condition to the client terminal when the abnormal condition occurs, and automatically recovering the working state of the water heater after the abnormal condition is relieved.
2. The internet of things-based water heater according to claim 1, wherein the controller comprises an instruction receiving module, a state monitoring module, a data recording module, an anomaly feedback module and an operation control module; the instruction receiving module is used for receiving the control instruction transmitted by the client terminal through the communication module; the state monitoring module is used for monitoring the power supply state of the power module and the wireless communication state of the communication module in real time; the data recording module is used for recording the result data monitored by the state monitoring module in real time; the abnormal feedback module is used for feeding back corresponding result data recorded by the data recording module to the client terminal through the communication module when the state monitoring module monitors an abnormal state; the operation control module is used for adjusting the working state of the water heater according to the control instruction received by the instruction receiving module and recovering the working state of the water heater after the abnormal condition is relieved.
3. The internet of things-based water heater according to claim 2, wherein the wireless communication state of the communication module comprises a connection state of the communication module with the network and a communication state of the communication module with the client terminal.
4. The Internet of things-based water heater according to claim 3, wherein the state monitoring module comprises a power monitoring unit, a network monitoring unit and a communication monitoring unit; the power monitoring unit is used for monitoring the power supply state of the power module; the network monitoring unit is used for monitoring the connection state of the communication module and the network; the communication monitoring unit is used for monitoring the communication state of the communication module and the client terminal.
5. The internet of things based water heater of claim 4, wherein the operation control module comprises an automatic power-on unit and an automatic networking unit; the automatic power-on unit is used for automatically recovering the power supply of the water heater after the power monitoring unit monitors that the power supply of the power module is recovered to be normal; the automatic networking unit is used for automatically establishing the connection between the communication module and the network and the communication connection between the communication module and the client terminal after the network monitoring unit monitors that the network used for connecting the communication module is recovered to be normal.
6. The Internet of things-based water heater according to claim 2, wherein the data recording module comprises a state receiving unit, a state analyzing unit and a state storing unit; the state receiving unit is used for receiving result data monitored by the state monitoring module in real time; the state analysis unit is used for classifying the result data according to a preset rule; and the state storage unit is used for storing the result data analyzed by the state analysis unit according to a preset condition.
7. The internet of things-based water heater of claim 6, wherein the preset rules comprise: and classifying according to the result data corresponding to the power supply state of the power module or the wireless communication state of the communication module, and/or classifying according to the result data corresponding to a normal condition or an abnormal condition.
8. The internet of things-based water heater of claim 6, wherein the preset conditions comprise: and storing the power supply state of the power module or the wireless communication state of the communication module according to the result data, and/or storing the result data according to a normal condition or an abnormal condition.
9. The internet of things-based water heater of claim 2, wherein the result data comprises: monitoring time, a power supply state of a power module and a wireless communication state of the communication module; the power supply state comprises a normal power supply state and a power off state; the wireless communication state comprises a communication normal state, a network disconnection state and a network disconnection state.
10. The internet of things-based water heater according to claim 2, wherein the controller further comprises an alarm module for alarming when the state monitoring module monitors an abnormal condition.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110141117.1A CN112804127A (en) | 2021-02-02 | 2021-02-02 | Water heater based on thing networking |
| LU501115A LU501115B1 (en) | 2021-02-02 | 2021-12-28 | Water heater based on internet of things |
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|---|---|---|---|
| CN202110141117.1A CN112804127A (en) | 2021-02-02 | 2021-02-02 | Water heater based on thing networking |
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| CN112804127A true CN112804127A (en) | 2021-05-14 |
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| CN202110141117.1A Pending CN112804127A (en) | 2021-02-02 | 2021-02-02 | Water heater based on thing networking |
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| LU (1) | LU501115B1 (en) |
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| CN111010533A (en) * | 2019-11-04 | 2020-04-14 | 华南理工大学 | Method and system for automatically reporting power supply and network connection state of AR camera |
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Application publication date: 20210514 |