CN215672828U - Novel intelligent fan controller - Google Patents
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- CN215672828U CN215672828U CN202120191623.7U CN202120191623U CN215672828U CN 215672828 U CN215672828 U CN 215672828U CN 202120191623 U CN202120191623 U CN 202120191623U CN 215672828 U CN215672828 U CN 215672828U
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Abstract
The utility model relates to a novel intelligent fan controller, which comprises: the intelligent control system comprises an infrared remote controller, a Bluetooth temperature sensor, a plug connector, a power line, a shell, a power circuit, an external clock circuit, a control chip, a voice recognition module, a humidity sensor, an illumination sensor, a human body infrared induction sensor, an infrared signal receiving module, a WiFi module, an LED lamp, a display screen, a power supply module and jacks; therefore, the novel intelligent fan controller which can realize timing work, network access and remote control, intelligently controls the wind speed, can realize stepless speed change, can simulate natural wind, can accurately measure and display the indoor temperature and humidity and has the function of a small night lamp so as to bring convenience to users is obtained.
Description
Technical Field
The utility model relates to a novel intelligent fan controller.
Background
The traditional electric fan is used as the most common heatstroke prevention and cooling tool for people, is widely applied to places such as classrooms, offices, workshops and families due to low price and strong practicability, but has single function and is not intelligent. In recent years, with the continuous development of information technology, new fan products become more multifunctional and intelligent. Aiming at different environments and different user groups, the electrical products realize certain degree of intellectualization through the cooperative work of the processor, the sensor and the network transmission module, but many functions of the electrical products are luxurious and unrealistic and are expensive. To many users, even if a new fan product is purchased, the traditional electric fan has perfect functions, hard quality and waste.
The traditional electric fan cannot carry out voice control and bring convenience to users when function setting is carried out; the traditional electric fan cannot realize remote control, and a user cannot monitor and set the functions of the electric fan at any time; the traditional electric fan cannot be remotely controlled, and a user is inconvenient to close the electric fan at a distance far away from an operation panel; the traditional electric fan cannot automatically adjust the wind speed according to the room temperature and realize stepless speed change, and when the temperature is reduced at night, if a user forgets to turn off the electric fan, cold, fever and the like are easily caused at night; the traditional electric fan cannot simulate natural wind, so that better experience is brought to users; the traditional electric fan does not have the function of a small night lamp, and cannot bring convenience to a user getting up at night; the traditional fan has a single function and cannot provide the function of displaying the indoor temperature and humidity. Therefore, it is necessary to provide a novel intelligent fan controller which can conveniently transform and upgrade the traditional household fan, can realize timing work, network access and remote control, intelligently control wind speed, realize stepless speed change, simulate natural wind, accurately measure and display indoor temperature and humidity, and has a small night lamp function so as to facilitate users.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art, and provides a novel intelligent fan controller which can conveniently transform and upgrade the traditional household fan, can realize timing work, intelligently control the wind speed, realize stepless speed change, simulate natural wind, accurately measure and display the indoor temperature and humidity, and has the functions of a small night lamp, convenience for users and the like.
In order to solve the above problems, the present invention adopts a technical scheme that: a novel smart fan controller comprising: the intelligent control system comprises an infrared remote controller, a Bluetooth temperature sensor, a plug connector, a power line, a shell, a power circuit, an external clock circuit, a control chip, a voice recognition module, a humidity sensor, an illumination sensor, a human body infrared induction sensor, an infrared signal receiving module, a WiFi module, an LED lamp, a display screen, a power supply module and jacks; the infrared remote controller is powered by a battery and is used for sending a control instruction to an infrared signal receiving module of the novel intelligent fan controller; the Bluetooth temperature sensor is powered by a button battery and is separated from the main body of the novel intelligent fan controller so as to avoid temperature measurement errors caused by the influence of the heat generated by nearby electronic devices, and the Bluetooth temperature sensor consists of a plastic shell, a Bluetooth module, a temperature sensor and gum; the plug connector consists of a male connector protruding in a copper plate shape, a flame-retardant shell and an internal AC power supply connecting line; the power line is an AC power line and consists of an outer sheath, an inner sheath and a copper metal wire; the shell is made of flame-retardant materials, is used for accommodating components of the controller and is provided with a round hole above the shell so as to be conveniently hung on a wall; the power circuit outputs +5V direct current voltage and consists of a rectifier diode, a fuse, a triode and a high-frequency ferrite core switch transformer; the external clock circuit consists of a crystal oscillator and two oscillation starting capacitors; the control chip is a single chip microcomputer chip; the voice recognition module adopts a special chip, completes initialization, writes in a recognition list and performs voice recognition by an interrupted working mode to obtain a recognition result; the humidity sensor is positioned in the shell and is connected with the power circuit, and the humidity of the surrounding environment is measured through a window at the corresponding position of the shell; the illumination sensor is positioned in the shell and is connected with the power circuit, and the illumination intensity of the surrounding environment is measured through a window at the corresponding position of the shell; the human body infrared induction sensor is positioned in the shell, is connected with the power circuit and is exposed out of the window at the corresponding position of the shell to detect whether people pass through the shell or not; the infrared signal receiving module is positioned in the shell and connected with the power circuit and used for receiving a control signal sent by the infrared remote controller; the WiFi module is positioned in the shell and connected with the power circuit, exposes the antenna through a window at a position corresponding to the shell and is used for connecting the novel intelligent fan controller to the gateway, and the mobile phone APP can send a control instruction to the novel intelligent fan controller through the network; the LED lamp is positioned in the shell, is connected with the power circuit and exposes out of the lamp bead through the window at the corresponding position of the shell, and is used for realizing night illumination; the display screen is positioned in the shell, is connected with the power circuit and is exposed out of the screen through a window at the corresponding position of the shell, and is used for displaying the working mode set by the fan, the current indoor temperature, the current indoor humidity and the working state of the LED lamp; the power supply module is positioned in the shell and connected with a power circuit, and is formed by electrically connecting a zero-crossing bidirectional silicon controlled type optocoupler, a resistor, a diode and a triode element, and the power supply module controls the on or off of a silicon controlled rectifier by receiving a PWM (pulse width modulation) waveform sent by a control chip to realize the stepless speed regulation of the rotating speed of the fan; the jack is composed of a copper clamping piece and a socket corresponding to the shell and used for inserting a plug of the household electric fan to be transformed and upgraded so as to supply power to the household electric fan and realize stepless speed regulation.
Preferably, the control chip sends the PWM wave to the power supply module through an ant colony algorithm, the control chip first constructs a solution memory table according to the pheromone model, then performs solution construction by adopting quadratic gaussian distribution, sets a temperature range, a time range and a PWM wave duty ratio range, and finally obtains a relationship between the PWM wave duty ratio and the temperature and time.
Preferably, the power supply module comprises a zero-crossing bidirectional controllable silicon type optocoupler, a triode, a resistor and a bidirectional diode, wherein a base of the triode is connected with a pin of the control chip through the resistor, an emitting electrode of the triode is grounded, a collecting electrode of the triode is connected with one input end of the zero-crossing bidirectional controllable silicon type optocoupler, and the other input end of the zero-crossing bidirectional controllable silicon type optocoupler is connected with a working power supply through the resistor; one output end of the zero-crossing bidirectional silicon controlled optocoupler is connected with a live wire through a resistor, the other output end of the zero-crossing bidirectional silicon controlled optocoupler is connected with one end of a bidirectional diode, and two ends of the bidirectional diode are respectively connected with the live wire and a load.
Preferably, the jacks are two groups, one group is a three-jack socket, and the other group is a two-jack socket; for a three-jack socket, a copper clip corresponding to a jack on the left side of the three-jack socket is electrically connected to a live wire of the novel intelligent fan controller, a copper clip corresponding to a jack on the right side of the three-jack socket is electrically connected to a zero wire of the novel intelligent fan controller, and a copper clip corresponding to a jack above the middle of the three-jack socket is grounded; to two socket sockets, the copper clip electricity that its socket on the left side corresponds is connected to the live wire of novel intelligent fan controller, the copper clip electricity that its socket on the right corresponds is connected to the zero line of novel intelligent fan controller.
Preferably, the novel intelligent fan controller has three working modes and two functions; the three working modes are a constant temperature mode, a natural wind mode and a human body induction mode, in the constant temperature mode, the control chip receives temperature data sent by the Bluetooth temperature sensor, calculates the duty ratio of the output PWM wave by adopting an ant colony algorithm in combination with the temperature set by a user, and performs stepless speed regulation on the fan to keep the indoor temperature constant; in the natural wind mode, the control chip changes the wind speed at fixed intervals, and the wind speed is repeatedly circulated to simulate the effect of natural wind; in a human body induction mode, after the control chip receives a signal detected by the human body infrared induction sensor, the fan is automatically started and automatically stopped after working for 10 minutes; the two functions are a timing function and a small night lamp function, after the timing function is started, the set timing time is reached, the control chip cuts off the power supply of the power supply module, and the fan stops working; after launching little night-light function, novel intelligent fan control ware passes through illumination sensor detects indoor illuminance and is less than the threshold value, and passes through human infrared induction sensor detects someone when passing through, novel intelligent fan control ware lights the LED lamp automatically for 20 seconds, provides interim illumination for the user of the activity of getting up at night.
The technical scheme of this application is based on old thing upgrading transformation, and behind the controller switch on, can realize intellectuality with traditional domestic electric fan plug insertion controller jack. Some room temperature measuring equipment installs the sensor and the host together, and the electronic element of the host can generate a large amount of heat, so the measured room temperature is inaccurate, and the technical scheme of the application adopts the Bluetooth temperature sensor to avoid the problem and accurately measure the room temperature; some novel intelligent electric fans adopt a direct current motor, then PWM waves are used for driving the direct current motor to operate through a motor driving chip, but the motor of the traditional household electric fan is an alternating current motor, and the PWM waves cannot be utilized for carrying out stepless speed regulation through the motor driving chip; the technical scheme of the application adopts a self-designed special power supply module, the power supply module comprises a zero-crossing bidirectional silicon controlled optocoupler, a triode, a resistor and a bidirectional diode, the base electrode of the triode is connected with a control chip pin through the resistor, the emitting electrode of the triode is grounded, the collecting electrode of the triode is connected with one input end of the zero-crossing bidirectional silicon controlled optocoupler, and the other input end of the zero-crossing bidirectional silicon controlled optocoupler is connected with a working power supply through the resistor; one output end of the zero-crossing bidirectional silicon controlled optocoupler is connected with a live wire through a resistor, the other output end of the zero-crossing bidirectional silicon controlled optocoupler is connected with one end of a bidirectional diode, and two ends of the bidirectional diode are respectively connected with the live wire and a load, so that stepless speed regulation of the alternating current motor is realized; some novel intelligent fans are not equipped with remote control and network access functions, and the user is inconvenient in function setting, the technical scheme of the application adopts an infrared remote control module to realize infrared remote control, adopts a WiFi module to realize network access of equipment so as to realize control of the mobile phone APP on the electric fan, and brings convenience for the user in operation and realizes intellectualization of the electric fan with the lowest cost; some novel intelligent fans are not provided with voice control, and the technical scheme of the application introduces a voice recognition module to set the work of the electric fan, so that the use of special users is facilitated; the temperature detection of some novel intelligent fans is only used for simple temperature high-low ratio judgment to determine the working state of the fans, the technical scheme of the application adopts an ant colony algorithm optimized by multiple parameters to carry out stepless speed regulation on the rotating speed of the motor, so that the accuracy and the efficiency of temperature feedback are improved; in order to further improve the use efficiency and save energy, the technical scheme of the application efficiently uses the human body infrared induction sensor, not only is used for the human body induction working mode of the fan, but also is used for the function of a small night lamp, and the aims of environmental protection, energy conservation, convenience and high efficiency are fulfilled; in order to further realize the multi-functionalization, the technical scheme of this application has still set up the display screen for the mode of operation that shows the fan setting, current indoor temperature, humidity, the operating condition of LED lamp.
The utility model of the application is characterized in that a Bluetooth temperature sensor is adopted to measure the room temperature, an infrared remote controller is used for remote control setting, a voice control module is introduced to realize voice control, an infrared module is introduced to realize remote control, a WiFi module is introduced to realize network access of equipment so as to realize the control of a mobile phone APP on an electric fan, a special power supply module which is designed autonomously is adopted, the power supply module comprises a zero-crossing bidirectional silicon-controlled optocoupler, a triode, a resistor and a bidirectional diode, the base of the triode is connected with a control chip pin through a resistor, an emitting electrode is grounded, a collector is connected with one input end of the zero-crossing bidirectional silicon-controlled optocoupler, and the other input end of the zero-crossing bidirectional silicon-controlled optocoupler is connected with a working power supply through a resistor; one output end of the zero-crossing bidirectional silicon controlled optocoupler is connected with a live wire through a resistor, the other output end of the zero-crossing bidirectional silicon controlled optocoupler is connected with one end of a bidirectional diode, and two ends of the bidirectional diode are respectively connected with the live wire and a load, so that stepless speed regulation of the alternating current motor is realized; the rotation speed of the motor is subjected to stepless speed regulation by adopting an ant colony algorithm optimized by multiple parameters, so that the accuracy and the efficiency of temperature feedback are improved; the human body induction working mode of the electric fan is realized by efficiently using the human body infrared induction sensor, and the function of a small night lamp is realized; through the high-efficient display screen that uses, realized the mode that the fan set up, current indoor temperature, humidity, the display of the operating condition of LED lamp. The technical scheme of the application is obtained on the basis of the utility model. Compared with the prior art, the technical scheme adopted by the utility model has the beneficial effects that: can conveniently reform transform the upgrading to traditional domestic fan, can realize timing work, network access and remote control, wind speed intelligent control just can infinitely variable, can simulate natural wind, can carry out accurate measurement and demonstration to indoor temperature, humidity and have little night-light function with convenience of customers.
Drawings
Fig. 1 is a novel smart fan controller of the present invention.
The system comprises an infrared remote controller 1, a Bluetooth temperature sensor 2, a plug connector 3, a power line 4, a shell 5, a power circuit 6, an external clock circuit 7, a control chip 8, a voice recognition module 9, a humidity sensor 10, a lighting sensor 11, a human body infrared induction sensor 12, an infrared signal receiving module 13, a WiFi module 14, an LED lamp 15, a display screen 16, a power supply module 17 and a jack 18.
Detailed Description
As shown in fig. 1, a novel smart fan controller includes: the intelligent remote control system comprises an infrared remote controller 1, a Bluetooth temperature sensor 2, a plug connector 3, a power line 4, a shell 5, a power circuit 6, an external clock circuit 7, a control chip 8, a voice recognition module 9, a humidity sensor 10, an illumination sensor 11, a human body infrared induction sensor 12, an infrared signal receiving module 13, a WiFi module 14, an LED lamp 15, a display screen 16, a power supply module 17 and a jack 18; the infrared remote controller 1 is powered by a battery and is used for sending a control instruction to an infrared signal receiving module 13 of the novel intelligent fan controller; the Bluetooth temperature sensor 2 is powered by a button battery and is separated from the main body of the novel intelligent fan controller so as to avoid temperature measurement errors caused by the influence of the heat generated by nearby electronic devices, and the Bluetooth temperature sensor is composed of a plastic shell, a Bluetooth module, a temperature sensor and gum; the plug connector 3 consists of a male connector protruding in a copper plate shape, a flame-retardant shell and an internal AC power supply connecting line; the power line 4 is an AC power line 4 and consists of an outer sheath, an inner sheath and a metal wire made of copper; the shell 5 is made of flame retardant materials, the shell 5 is used for accommodating components of the controller, and a round hole is formed in the upper portion of the shell 5 so as to be convenient to hang on a wall; the power circuit 6 outputs +5V direct current voltage and consists of a rectifier diode, a fuse, a triode and a high-frequency ferrite core switch transformer; the external clock circuit 7 consists of a crystal oscillator and two oscillation starting capacitors; the control chip 8 is a single chip microcomputer chip; the voice recognition module 9 adopts a special chip, completes initialization, writes in a recognition list and performs voice recognition by an interrupted working mode to obtain a recognition result; the humidity sensor 10 is positioned in the shell 5, is connected with the power circuit 6 and measures the humidity of the surrounding environment through a window at the corresponding position of the shell 5; the illumination sensor 11 is positioned in the shell 5, is connected with the power circuit 6 and measures the illumination intensity of the surrounding environment through a window at the corresponding position of the shell 5; the human body infrared induction sensor 12 is positioned in the shell 5, is connected with the power circuit 6 and is exposed out of a window at a corresponding position of the shell 5 to detect whether people pass through the periphery; the infrared signal receiving module 13 is positioned in the shell 5, connected with the power circuit 6 and used for receiving a control signal sent by the infrared remote controller 1; the WiFi module 14 is located in the shell 5, connected with the power circuit 6 and exposed out of the antenna through a window in a position corresponding to the shell 5, is used for connecting the novel intelligent fan controller to a gateway, and a mobile phone APP can send a control instruction to the novel intelligent fan controller through a network; the LED lamp 15 is positioned in the shell 5, is connected with the power circuit 6 and exposes out of the lamp bead through a window at a corresponding position of the shell 5, and is used for realizing night illumination; the display screen 16 is positioned in the shell 5, connected with the power circuit 6 and exposed out of the screen through a window at a corresponding position of the shell 5, and is used for displaying the working mode set by the fan, the current indoor temperature and humidity and the working state of the LED lamp 15; the power supply module 17 is positioned in the shell 5 and connected with the power circuit 6, and is formed by electrically connecting a zero-crossing bidirectional silicon controlled type optocoupler, a resistor, a diode and a triode element, and the power supply module 17 controls the on or off of a silicon controlled rectifier by receiving a PWM (pulse width modulation) waveform sent by the control chip 8 to realize the stepless speed regulation of the rotating speed of the fan; the jack 18 is composed of a copper clamping piece and a socket corresponding to the shell 5, and is used for inserting a plug of the household electric fan to be improved and upgraded so as to supply power to the household electric fan and realize stepless speed regulation.
Preferably, the control chip 8 sends the PWM wave to the power supply module 17 through an ant colony algorithm, and the control chip 8 first constructs a solution memory table according to the pheromone model, then performs solution construction by adopting quadratic gaussian distribution, sets a temperature range, a time range and a PWM wave duty ratio range, and finally obtains a relationship between the PWM wave duty ratio and the temperature and time.
Preferably, the power supply module 17 includes a zero-crossing bidirectional thyristor type optocoupler, a triode, a resistor, and a bidirectional diode, wherein a base of the triode is connected with a pin of the control chip 8 through the resistor, an emitter of the triode is grounded, a collector of the triode is connected with one input end of the zero-crossing bidirectional thyristor type optocoupler, and the other input end of the zero-crossing bidirectional thyristor type optocoupler is connected with a working power supply through the resistor; one output end of the zero-crossing bidirectional silicon controlled optocoupler is connected with a live wire through a resistor, the other output end of the zero-crossing bidirectional silicon controlled optocoupler is connected with one end of a bidirectional diode, and two ends of the bidirectional diode are respectively connected with the live wire and a load.
Preferably, the jacks 18 are two groups, one group is a three-jack socket, and the other group is a two-jack socket; for a three-jack socket, a copper clip corresponding to a jack on the left side of the three-jack socket is electrically connected to a live wire of the novel intelligent fan controller, a copper clip corresponding to a jack on the right side of the three-jack socket is electrically connected to a zero wire of the novel intelligent fan controller, and a copper clip corresponding to a jack above the middle of the three-jack socket is grounded; to two socket sockets, the copper clip electricity that its socket on the left side corresponds is connected to the live wire of novel intelligent fan controller, the copper clip electricity that its socket on the right corresponds is connected to the zero line of novel intelligent fan controller.
Preferably, the novel intelligent fan controller has three working modes and two functions; the three working modes are a constant temperature mode, a natural wind mode and a human body induction mode, in the constant temperature mode, the control chip 8 receives temperature data sent by the Bluetooth temperature sensor 2, calculates the duty ratio of an output PWM wave by adopting an ant colony algorithm in combination with the temperature set by a user, and performs stepless speed regulation on the fan to keep the indoor temperature constant; in the natural wind mode, the control chip 8 changes the wind speed at fixed intervals, and the wind speed is repeatedly circulated to simulate the effect of natural wind; in the human body induction mode, after the control chip 8 receives a signal detected by the human body infrared induction sensor 12, the fan is automatically started and automatically stopped after working for 10 minutes; the two functions are a timing function and a small night lamp function, after the timing function is started, the set timing time is reached, the control chip 8 cuts off the power supply of the power supply module 17, and the fan stops working; after launching little night-light function, novel intelligent fan controller passes through illumination sensor 11 detects indoor illuminance and is less than the threshold value, and passes through human infrared induction sensor 12 detects someone when passing through, novel automatic LED lamp 15 of intelligent fan controller lights for 20 seconds, provides interim illumination for the user of the activity of getting up night. Those not described in detail in this specification are within the skill of the art.
The above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the utility model or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the utility model as defined by the appended claims.
Claims (1)
1. A novel smart fan controller comprising: plug connector, the power cord, the casing, power supply circuit, power module, the jack, characterized by, novel intelligent fan controller still includes: the system comprises an infrared remote controller, a Bluetooth temperature sensor, an external clock circuit, a control chip, a voice recognition module, a humidity sensor, an illumination sensor, a human body infrared induction sensor, an infrared signal receiving module, a WiFi module, an LED lamp and a display screen; the infrared remote controller is powered by a battery and is used for sending a control instruction to an infrared signal receiving module of the novel intelligent fan controller; the Bluetooth temperature sensor is powered by a button battery and is separated from the main body of the novel intelligent fan controller so as to avoid temperature measurement errors caused by the influence of the heat generated by nearby electronic devices, and the Bluetooth temperature sensor consists of a plastic shell, a Bluetooth module, a temperature sensor and gum; the plug connector consists of a male connector protruding in a copper plate shape, a flame-retardant shell and an internal AC power supply connecting line; the power line is an AC power line and consists of an outer sheath, an inner sheath and a copper metal wire; the shell is made of flame-retardant materials, is used for accommodating components of the controller and is provided with a round hole above the shell so as to be conveniently hung on a wall; the power circuit outputs +5V direct current voltage and consists of a rectifier diode, a fuse, a triode and a high-frequency ferrite core switch transformer; the external clock circuit consists of a crystal oscillator and two oscillation starting capacitors; the control chip is a single chip microcomputer chip; the voice recognition module adopts a special chip; the humidity sensor is positioned in the shell and is connected with the power circuit, and the humidity of the surrounding environment is measured through a window at the corresponding position of the shell; the illumination sensor is positioned in the shell and is connected with the power circuit, and the illumination intensity of the surrounding environment is measured through a window at the corresponding position of the shell; the human body infrared induction sensor is positioned in the shell, is connected with the power circuit and is exposed out of the window at the corresponding position of the shell to detect whether people pass through the shell or not; the infrared signal receiving module is positioned in the shell and connected with the power circuit and used for receiving a control signal sent by the infrared remote controller; the WiFi module is positioned in the shell and connected with the power circuit, exposes the antenna through a window at a position corresponding to the shell and is used for connecting the novel intelligent fan controller to the gateway, and the mobile phone APP can send a control instruction to the novel intelligent fan controller through the network; the LED lamp is positioned in the shell, is connected with the power circuit and exposes out of the lamp bead through the window at the corresponding position of the shell, and is used for realizing night illumination; the display screen is positioned in the shell, is connected with the power circuit and is exposed out of the screen through a window at the corresponding position of the shell, and is used for displaying the working mode set by the fan, the current indoor temperature, the current indoor humidity and the working state of the LED lamp; the power supply module is positioned in the shell and connected with a power circuit, and is formed by electrically connecting a zero-crossing bidirectional silicon controlled type optocoupler, a resistor, a diode and a triode element, and the power supply module controls the on or off of a silicon controlled rectifier by receiving a PWM (pulse width modulation) waveform sent by a control chip to realize the stepless speed regulation of the rotating speed of the fan; the jack is composed of a copper clamping piece and a socket corresponding to the shell and used for inserting a plug of the household electric fan to be transformed and upgraded so as to supply power to the household electric fan and realize stepless speed regulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120191623.7U CN215672828U (en) | 2021-01-22 | 2021-01-22 | Novel intelligent fan controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120191623.7U CN215672828U (en) | 2021-01-22 | 2021-01-22 | Novel intelligent fan controller |
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| CN215672828U true CN215672828U (en) | 2022-01-28 |
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| CN202120191623.7U Expired - Fee Related CN215672828U (en) | 2021-01-22 | 2021-01-22 | Novel intelligent fan controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664476A (en) * | 2021-01-22 | 2021-04-16 | 湖北经济学院 | A novel intelligent fan controller for being directed at domestic fan of tradition reforms transform upgrading |
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2021
- 2021-01-22 CN CN202120191623.7U patent/CN215672828U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664476A (en) * | 2021-01-22 | 2021-04-16 | 湖北经济学院 | A novel intelligent fan controller for being directed at domestic fan of tradition reforms transform upgrading |
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