CN112212380A - Remote monitoring system for oil fume purifier - Google Patents
Remote monitoring system for oil fume purifier Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
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- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
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- G—PHYSICS
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- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
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- Business, Economics & Management (AREA)
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
The embodiment of the invention relates to a remote monitoring system for an oil fume purifier, which comprises: a plurality of fume purifiers, a communication network and a server; the oil fume purifier is provided with a plurality of sensors, each sensor corresponds to one state type and can acquire a state value corresponding to the state type; the oil fume purifier can send a plurality of state types and state values corresponding to each state type to the server through a communication network; the server sends out alarm information when determining that the oil fume purifier is in an abnormal state based on the plurality of state values; this monitored control system can carry out real time monitoring to the oil smoke clarifier.
Description
Technical Field
The embodiment of the invention relates to the field of oil fume purification equipment, in particular to a remote monitoring system.
Background
With the rapid development of the catering industry, a large amount of high-concentration oil smoke is generated in the food processing of restaurants and restaurants kitchens in the operation process of the working procedures of frying, stir-frying, boiling, frying and the like, and oil smoke condensate in a high-temperature state has strong carcinogenic and mutagenic effects. As urban catering enterprises are numerous and scattered, whether the oil fume purification facilities of the catering enterprises are used or not and whether the oil fume purification facilities reach the standard after purification or not are difficult to monitor. Only by manual inspection, the burden of management personnel is increased, the timely discovery of the emission problem cannot be guaranteed, the time and responsibility for the problem are difficult to trace, the coverage rate of supervision time is low, the monitoring range is limited, the personnel are not enough, and the supervision and inspection are difficult. The requirements of real-time monitoring, real-time standard exceeding alarm and unattended operation are difficult to achieve, labor and time are wasted, the supervision efficiency and the quick response capability of an environmental protection department are seriously influenced, and therefore, the oil smoke online monitor serving as a hardware support of an oil smoke monitoring system becomes a main development direction of oil smoke monitoring.
Therefore, it is an urgent technical problem to design a remote monitoring system for an oil smoke purifier.
Disclosure of Invention
In view of this, in order to solve the above technical problems or some technical problems, embodiments of the present invention provide a remote monitoring system.
The embodiment of the invention provides a remote monitoring system for an oil fume purifier, which comprises: a plurality of fume purifiers, a communication network and a server; the oil fume purifier is provided with a plurality of sensors, each sensor corresponds to one state type and can acquire a state value corresponding to the state type; the oil fume purifier can send a plurality of state types and state values corresponding to each state type to the server through a communication network; and the server sends out alarm information when determining that the oil fume purifier is in an abnormal state based on the plurality of state values.
In one possible embodiment, the server stores client information corresponding to each oil fume purifier; the "sending out the alarm information" specifically includes: and sending alarm information to the client based on the client information corresponding to the oil fume purifier.
In one possible embodiment, a database is arranged in the server, and each oil fume purifier corresponds to a unique identifier; and the server stores the identifier, a plurality of state types and a state value corresponding to each state type in the database.
In one possible embodiment, the server obtains an average value of a plurality of state values corresponding to the first state type from the database, obtains a first state value corresponding to the first state type of the first oil fume purifier, and determines that the first oil fume purifier is in an abnormal state when it is determined that an absolute value of a difference between the first state value and the average value is greater than a preset threshold value.
In one possible embodiment, the database stores zone information for each of the soot purifiers.
In one possible embodiment, the plurality of sensors includes at least: the oil smoke concentration sensor is used for measuring an oil smoke concentration value.
In one possible embodiment, the plurality of sensors includes at least: a oil smoke temperature sensor for measuring oil smoke temperature.
In one possible embodiment, the plurality of sensors includes at least: a temperature sensor for ambient temperature.
In one possible embodiment, the plurality of sensors includes at least: a humidity sensor for ambient humidity.
In one possible embodiment, the plurality of sensors includes at least: an air pressure sensor for ambient air pressure.
The remote monitoring system provided by the embodiment of the invention comprises: a plurality of fume purifiers, a communication network and a server; the oil fume purifier is provided with a plurality of sensors, each sensor corresponds to one state type and can acquire a state value corresponding to the state type; the oil fume purifier can send a plurality of state types and state values corresponding to each state type to the server through a communication network; the server sends out alarm information when determining that the oil fume purifier is in an abnormal state based on the plurality of state values; this monitored control system can carry out real time monitoring to the oil smoke clarifier.
Drawings
Fig. 1 is a flowchart of an operation and maintenance monitoring method according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a server according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a remote monitoring system for an oil fume purifier, as shown in fig. 1, including: a plurality of oil fume purifiers 1, a communication network 2 and a server 3; here, the oil fume purifier 1 is generally used in a kitchen of a restaurant or hotel, when in use, a cooking range generates oil fume, the oil fume is sucked by a fan in the oil fume purifier 1, and partial large oil mist droplets and oil dirt particles in the oil fume are captured on the flow equalizing plate due to mechanical collision and obstruction. When the airflow enters a high-voltage electrostatic field, under the action of the high-voltage electrostatic field, the oil fume gas is ionized, and most of the oil fume is degraded and carbonized; a small part of micro oil particles move to positive and negative plates of an electric field under the action of the electric field force of an adsorption electric field and airflow, are collected on the plates, flow to an oil collecting tray under the action of self gravity, are discharged through an oil discharge channel, and the remaining micron-sized oil mist is degraded into carbon dioxide and water by the electric field to finally discharge clean air; thereby achieving the purpose of removing the oil smoke.
Here, the soot cleaner 1 and the server 3 can perform data communication through a communication network 2 (e.g., internet, etc.). The server 3 may be located on the internet, and the oil fume purifier 1 may be connected to the internet by wire or wirelessly, so as to be capable of data communication with the server 3. The wireless may include: a GPRS (General Packet Radio Service) communication mode, a CDMA (Code Division Multiple Access) communication mode, a 3G (3rd-generation, third-generation mobile communication technology) communication mode, a 4G (4th-generation, fourth-generation mobile communication technology) communication mode, a 5G (5th-generation, fifth-generation mobile communication technology) communication mode, and the like.
The server 3 may be a computer or a cluster of multiple computers, or may be a virtual machine on a cloud system.
The oil fume purifier 1 is provided with a plurality of sensors, each sensor corresponds to one state type and can acquire a state value corresponding to the state type; the oil fume purifier 1 can send a plurality of state types and state values corresponding to each state type to the server 3 through the communication network 2;
here, the sensor may include: (1) oil smoke consistency transmitter, this oil smoke consistency transmitter sets up in this oil smoke clarifier 1's pipeline, and this oil smoke consistency transmitter's quantity can be a plurality of, can acquire the oil smoke concentration value before the purification respectively and the oil smoke concentration value after the purification, specifically can include: particulate matter concentration or non-methane total hydrocarbon concentration, etc.; the oil smoke concentration sensor can realize accurate measurement of oil smoke concentration and particulate matter concentration based on a laser scattering principle; meanwhile, the non-methane total hydrocarbon index can be detected based on an electrochemical principle, namely, the electrochemical principle uses a semiconductor gas-sensitive material, and the physical property that the conductivity of a semiconductor is changed when the gas contacts the semiconductor gas-sensitive material is utilized, so that the resistance change is caused to detect the components and the concentration of the gas to be detected; (2) an operation condition sensor electrically connected to electrical devices (e.g., a fan, etc.) in the soot cleaner 1 so that state values (e.g., a rotational speed of the fan, etc.) of the electrical devices can be obtained; (3) the particle concentration sensor, for example, analyzes the particles above 10 μm and below 10 μm in the oil smoke by using a microscopic photography technique and a low-voltage impact sampler, so as to obtain the particle size distribution of the oil smoke particles in the catering industry; (4) a non-methane total hydrocarbon concentration sensor, where non-methane total hydrocarbons are defined as the remaining value after subtracting methane from the total hydrocarbon measurement; and total hydrocarbons refers to the sum of gaseous organics that produce a response on a gas chromatography hydrogen flame ionization detector under specified conditions. As generally understood, non-methane total hydrocarbons refer to all volatile hydrocarbons other than methane (of which primarily C2-C8); (5) the oil smoke temperature; (6) a humidity sensor operable to detect an ambient temperature; (7) and the humidity sensor can be used for detecting the ambient humidity.
The server 3 issues alarm information when determining that the oil smoke purifier is in an abnormal state based on the plurality of state values.
Here, the plurality of state values may reflect the operating condition of the oil smoke purifier 1, and when it is determined that the oil smoke purifier 1 is out of order, an alarm message may be issued to notify a user that the oil smoke purifier 1 is out of order and maintenance or repair is required. The manner of sending the alarm information may include: and sending short messages to the mobile phone of the user, and the like.
For example, when the concentration value of the oil smoke before purification is too high, an alarm message needs to be sent to the user, so that the user can check the kitchen environment, determine whether the cooking mode is problematic, and the like, and it can be understood that if the concentration value of the oil smoke before purification is too high, the user can be reminded to increase the number of the oil smoke purifiers 1; when the concentration value of the purified oil smoke is too high, alarm information needs to be sent to manufacturer maintenance personnel, so that the maintenance personnel can detect the oil smoke purifier 1 and carry out maintenance and other work;
in this embodiment, the server 3 stores client information corresponding to each of the oil smoke purifiers 1; the "sending out the alarm information" specifically includes: and sending alarm information to the client based on the client information corresponding to the oil fume purifier. Here, since the warning information is already given to the user, the user can detect the oil smoke purifier 1 and perform work such as maintenance.
In this embodiment, the server 3 is provided with a database 31, and each oil smoke purifier 1 corresponds to a unique identifier; the server 3 stores the identifier, a plurality of status types, and a status value corresponding to each status type in the database 31. Here, the identifier may uniquely identify one of the oil fume purifiers 1, and the identifier, a plurality of status types, and a status value corresponding to each status type are simultaneously stored in the database 1, so that the status of one of the oil fume purifiers 1 can be tracked. It can be understood that the database 3 can track the use state of one oil smoke purifier 1 relatively comprehensively, and can use big data analysis technology to obtain the design defects existing in the oil smoke purifier 1, so that the manufacturer can improve the subsequent design of the oil smoke purifier 1 conveniently.
Alternatively, in practice, the server 3 is usually set up by a manufacturer, the lampblack purifiers 1 are usually installed at customers, and the customers are often distributed all over the country, so that the regional information of the location of each lampblack purifier 1 can be preset for each lampblack purifier 1, and the regional information corresponding to each lampblack purifier 1 needs to be stored in the database. It will be appreciated that in the same area, the information of atmospheric pressure, ambient temperature and ambient humidity are similar, and users in the same area, often have the same habits, e.g., some regions prefer fried foods, the concentration of the soot in the kitchen in the area tends to be high, and therefore, the status information of all the soot purifiers 1 in each area can be acquired, then, the state values corresponding to the same each state type are obtained, then the average values of the state values are obtained, and then according to the average values, the soot purifiers 1 subsequently sold to the area are set, for example, when the average value of soot concentration values before purification of a certain area is found to be high, the wind speed of the fan in the soot cleaner 1, which is purchased in the area later, can be set to a high point, and the voltage of the high-voltage electric field can also be set to a higher point.
In this embodiment, the server 3 obtains an average value of a plurality of state values corresponding to the first state type from the database 31, obtains a first state value corresponding to the first state type of the first oil fume purifier, and determines that the first oil fume purifier is in an abnormal state when it is determined that an absolute value of a difference between the first state value and the average value is greater than a preset threshold value. Here, the database 31 stores the state values corresponding to the first state type in each of the oil smoke purifiers 1, so that a plurality of state values corresponding to the first state type in all the oil smoke purifiers 1 can be obtained and the average value of the plurality of state values can be calculated, and when the difference between the first state value and the average value of a certain oil smoke purifier is too large, it can be determined that the oil smoke purifier has a problem, and the user needs to be reminded. The first state type is any one of all state types.
In this embodiment, the database 31 stores the area information of each of the oil smoke purifiers 1.
In this embodiment, the plurality of sensors at least includes: the oil smoke concentration sensor is used for measuring an oil smoke concentration value.
In this embodiment, the plurality of sensors at least includes: a oil smoke temperature sensor for measuring oil smoke temperature.
In this embodiment, the plurality of sensors at least includes: a temperature sensor for ambient temperature.
In this embodiment, the plurality of sensors at least includes: a humidity sensor for ambient humidity.
In this embodiment, the plurality of sensors at least includes: an air pressure sensor for ambient air pressure.
Fig. 2 is a schematic diagram of another server according to an embodiment of the present invention. The electronic device 700 shown in fig. 2 includes: at least one processor 701, memory 702, at least one network interface 704, and other user interfaces 703. The various components in the electronic device 700 are coupled together by a bus system 705. It is understood that the bus system 705 is used to enable communications among the components. The bus system 705 includes a power bus, a control bus, and a status signal bus in addition to a data bus. But for clarity of illustration the various busses are labeled in figure 2 as the bus system 705.
The user interface 703 may include, among other things, a display, a keyboard, or a pointing device (e.g., a mouse, trackball, touch pad, or touch screen, among others.
It is to be understood that the memory 702 in embodiments of the present invention may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of illustration and not limitation, many forms of RAM are available, such as Static random access memory (Static RAM, SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic random access memory (Synchronous DRAM, SDRAM), Double Data Rate Synchronous Dynamic random access memory (ddr Data Rate SDRAM, ddr SDRAM), Enhanced Synchronous SDRAM (ESDRAM), synchlronous SDRAM (SLDRAM), and Direct Rambus RAM (DRRAM). The memory 702 described herein is intended to comprise, without being limited to, these and any other suitable types of memory.
In some embodiments, memory 702 stores the following elements, executable units or data structures, or a subset thereof, or an expanded set thereof: an operating system 7021 and application programs 7022.
The operating system 7021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, for implementing various basic services and processing hardware-based tasks. The application 7022 includes various applications, such as a Media Player (Media Player), a Browser (Browser), and the like, for implementing various application services. Programs that implement methods in accordance with embodiments of the present invention can be included within application program 7022.
In embodiments of the present invention, the application program code may be loaded into and executed by the processor 702 by invoking programs or instructions stored in memory 702, which, in particular, may be programs or instructions stored in application program 7022,
when applied to an upper computer, the processor 701 is configured to execute the method steps provided by the method embodiments, for example, including:
receiving a target data set sent by a sensor and/or a PLC;
sending the target data set to a server; performing corresponding operation by the server according to the target data set;
the target data set comprising at least one of: the device comprises detection data, type symbols corresponding to the detection data and identifiers describing equipment for acquiring the detection data.
When applied to a server, the processor 701 is configured to perform the method steps provided by the method embodiments, for example, including:
receiving a data set sent by an upper computer;
analyzing the data set, and executing different operations aiming at the data in the data set according to the analysis result;
the data set comprising at least one of: the device comprises detection data, type symbols corresponding to the detection data and identifiers describing equipment for acquiring the detection data.
The method disclosed in the above embodiments of the present invention may be applied to the processor 701, or implemented by the processor 701. The processor 701 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be implemented by integrated logic circuits of hardware or instructions in the form of software in the processor 701. The Processor 701 may be a general-purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, or discrete hardware components. The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software elements in the decoding processor. The software elements may be located in ram, flash, rom, prom, or eprom, registers, among other storage media that are well known in the art. The storage medium is located in the memory 702, and the processor 701 reads the information in the memory 702 and performs the steps of the above method in combination with the hardware thereof.
It is to be understood that the embodiments described herein may be implemented in hardware, software, firmware, middleware, microcode, or any combination thereof. For a hardware implementation, the Processing units may be implemented within one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), general purpose processors, controllers, micro-controllers, microprocessors, other electronic units configured to perform the functions described herein, or a combination thereof.
For a software implementation, the techniques described herein may be implemented by means of units performing the functions described herein. The software codes may be stored in a memory and executed by a processor. The memory may be implemented within the processor or external to the processor.
The electronic device provided in this embodiment may be the electronic device described above, and may perform all the steps of the method described above, so as to achieve the technical effect of the method described above.
The embodiment of the invention also provides a storage medium (computer readable storage medium). The storage medium herein stores one or more programs. Among others, the storage medium may include volatile memory, such as random access memory; the memory may also include non-volatile memory, such as read-only memory, flash memory, a hard disk, or a solid state disk; the memory may also comprise a combination of memories of the kind described above.
When the one or more programs in the storage medium are executable by the one or more processors, the operation and maintenance monitoring method executed by the operation and maintenance monitoring device is implemented.
When the method is applied to the upper computer, the processor is used for executing the operation and maintenance monitoring program stored in the memory so as to realize the following steps of the operation and maintenance monitoring method executed on the upper computer side:
receiving a target data set sent by a sensor and/or a Programmable Logic Controller (PLC);
sending the target data set to a server; performing corresponding operation by the server according to the target data set;
the target data set comprising at least one of: the device comprises detection data, type symbols corresponding to the detection data and identifiers describing equipment for acquiring the detection data.
When the method is applied to the server, the processor is used for executing the operation and maintenance monitoring program stored in the memory so as to realize the following steps of the operation and maintenance monitoring method executed on the server side:
receiving a data set sent by an upper computer;
analyzing the data set, and executing different operations aiming at the data in the data set according to the analysis result;
the data set comprising at least one of: the device comprises detection data, type symbols corresponding to the detection data and identifiers describing equipment for acquiring the detection data.
Those of skill would further appreciate that the various illustrative components and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied in hardware, a software module executed by a processor, or a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A remote monitoring system for a soot purifier, comprising:
a plurality of oil fume purifiers (1), a communication network (2) and a server (3);
the oil fume purifier (1) is internally provided with a plurality of sensors, each sensor corresponds to one state type and can acquire a state value corresponding to the state type; the oil fume purifier (1) can send a plurality of state types and state values corresponding to each state type to the server (3) through the communication network (2);
and the server (3) sends out alarm information when determining that the oil fume purifier is in an abnormal state based on the plurality of state values.
2. The remote monitoring system according to claim 1, wherein:
the server (3) stores client information corresponding to each oil fume purifier (1);
the "sending out the alarm information" specifically includes: and sending alarm information to the client based on the client information corresponding to the oil fume purifier.
3. The remote monitoring system according to claim 1, wherein:
a database (31) is arranged in the server (3), and each oil fume purifier (1) corresponds to a unique identifier;
the server (3) stores the identifier, a plurality of state types and a state value corresponding to each state type in the database (31).
4. The remote monitoring system according to claim 1, wherein:
the server (3) acquires an average value of a plurality of state values corresponding to the first state type from the database (31), acquires a first state value corresponding to the first state type of the first oil fume purifier, and determines that the first oil fume purifier is in an abnormal state when the absolute value of the difference value between the first state value and the average value is larger than a preset threshold value.
5. The remote monitoring system according to claim 1, wherein:
the database (31) stores the regional information of each oil fume purifier (1).
6. The remote monitoring system of claim 1,
the plurality of sensors includes at least: the oil smoke concentration sensor is used for measuring an oil smoke concentration value.
7. The remote monitoring system of claim 1,
the plurality of sensors includes at least: a oil smoke temperature sensor for measuring oil smoke temperature.
8. The remote monitoring system of claim 1,
the plurality of sensors includes at least: a temperature sensor for ambient temperature.
9. The remote monitoring system of claim 1,
the plurality of sensors includes at least: a humidity sensor for ambient humidity.
10. The remote monitoring system of claim 1,
the plurality of sensors includes at least: an air pressure sensor for ambient air pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011231230.0A CN112212380A (en) | 2020-11-06 | 2020-11-06 | Remote monitoring system for oil fume purifier |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011231230.0A CN112212380A (en) | 2020-11-06 | 2020-11-06 | Remote monitoring system for oil fume purifier |
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| CN112212380A true CN112212380A (en) | 2021-01-12 |
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| CN202011231230.0A Pending CN112212380A (en) | 2020-11-06 | 2020-11-06 | Remote monitoring system for oil fume purifier |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108810147A (en) * | 2018-06-14 | 2018-11-13 | 江西科力厨房无油烟科技有限公司 | Oil smoke early warning maintenance system and its control method |
| CN109373391A (en) * | 2018-11-06 | 2019-02-22 | 珠海格力电器股份有限公司 | Wind speed adjusting method, device, range hood, air purifier and storage medium |
| CN110043938A (en) * | 2019-04-29 | 2019-07-23 | 广东鼎龙厨具有限公司 | Smart home oil fume purifier system |
| CN110094782A (en) * | 2019-05-20 | 2019-08-06 | 珠海格力电器股份有限公司 | A kind of control method and intelligent range hood of intelligent range hood |
| CN111288515A (en) * | 2020-01-23 | 2020-06-16 | 深圳市大拿科技有限公司 | Range hood control method and related product |
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2020
- 2020-11-06 CN CN202011231230.0A patent/CN112212380A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108810147A (en) * | 2018-06-14 | 2018-11-13 | 江西科力厨房无油烟科技有限公司 | Oil smoke early warning maintenance system and its control method |
| CN109373391A (en) * | 2018-11-06 | 2019-02-22 | 珠海格力电器股份有限公司 | Wind speed adjusting method, device, range hood, air purifier and storage medium |
| CN110043938A (en) * | 2019-04-29 | 2019-07-23 | 广东鼎龙厨具有限公司 | Smart home oil fume purifier system |
| CN110094782A (en) * | 2019-05-20 | 2019-08-06 | 珠海格力电器股份有限公司 | A kind of control method and intelligent range hood of intelligent range hood |
| CN111288515A (en) * | 2020-01-23 | 2020-06-16 | 深圳市大拿科技有限公司 | Range hood control method and related product |
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