CN216133331U

CN216133331U - New fan

Info

Publication number: CN216133331U
Application number: CN202122052104.5U
Authority: CN
Inventors: 林晋弘; 蔡明琪
Original assignee: Huazhijiaozi Internet Of Things Technology Shenzhen Co ltd
Current assignee: Huazhijiaozi Internet Of Things Technology Shenzhen Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-03-25
Anticipated expiration: 2031-08-27

Abstract

The utility model provides a new fan, which comprises a microprocessor, a motor control module, a power supply module, a key module and an RF remote control module, wherein the microprocessor is respectively connected with the motor control module, the power supply module, the key module and the RF remote control module, and the microprocessor is characterized in that: the system is used for processing the motor control logic, calculating the residual service life of the filter screen of the fresh air machine through an algorithm, receiving a related command and executing the related command according to the received command; the motor control module: the PWM signal processing device is used for converting a 3V PWM signal output by the microprocessor into a 12V PWM signal and transmitting the 12V PWM signal to the motor interface to control the rotating speed of the motor; a power supply module: used for power supply and voltage reduction; an RF remote control module: for receiving remote control commands and transmitting them to the microprocessor. The utility model has the beneficial effects that: adopt bayonet WIFI interface, can compatible multiple WIFI module, realize simultaneously that data upload reaches the cloud platform, the centralized management of being convenient for.

Description

New fan

Technical Field

The utility model relates to the field of household appliances, in particular to a new fan.

Background

The existing new fan has the defects of inconvenience in centralized management, large power loss and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides a new fan, which comprises a microprocessor, a motor control module, a power supply module, a key module and an RF remote control module, wherein the microprocessor is respectively connected with the motor control module, the power supply module, the key module and the RF remote control module, and the microprocessor is characterized in that: the system is used for processing the motor control logic, calculating the residual service life of the filter screen of the fresh air machine through an algorithm, receiving a related command and executing the related command according to the received command.

The motor control module: and the PWM signal processing circuit is used for converting the 3V PWM signal output by the microprocessor into a 12V PWM signal and transmitting the 12V PWM signal to a motor interface to control the rotating speed of the motor.

The power supply module: used for power supply and voltage reduction.

The RF remote control module: for receiving remote control commands and transmitting them to the microprocessor.

As a further improvement of the utility model, the fresh air fan further comprises a WIFI module, and the WIFI module is connected with the microprocessor.

As a further improvement of the novel fan, the novel fan further comprises a plug-in WIFI interface which can be compatible with various WIFI modules.

As a further improvement of the utility model, the microprocessor adopts an STM32F030C8T6 chip.

As a further improvement of the present invention, the key module is a touch key.

As a further improvement of the present invention, the power supply module further includes a switch chip FM1720, and the switch chip FM1720 is configured to step down the 24V dc voltage input by the external adapter to 12V.

As a further improvement of the utility model, the power supply module further comprises a voltage reduction chip HT7233-1, and the voltage reduction chip HT7233-1 is used for reducing the voltage of 12V to 3.3V.

The utility model has the beneficial effects that: 1. by adopting the plug-in WIFI interface, various WIFI modules can be compatible, and meanwhile, data can be uploaded to a cloud platform, so that centralized management is facilitated; 2. the data is permanently stored by adopting external storage, and the service life of the data storage device is longer than that of the internal storage; 3. the high-efficiency switching power supply reduces voltage, and reduces power loss while reducing voltage; 4. the low-noise secondary voltage reduction reduces the interference to the radio frequency circuit.

Drawings

FIG. 1 is a functional block diagram of the present invention;

FIG. 2 is a circuit diagram of a microprocessor according to the present invention;

FIG. 3 is a circuit diagram of a power module of the present invention;

FIG. 4 is a circuit diagram of a touch key of the present invention;

FIG. 5 is a circuit diagram of a motor control module of the present invention;

FIG. 6 is a circuit diagram of the motor interface of the present invention;

fig. 7 is a circuit diagram of a WIFI module of the present invention;

fig. 8 is a circuit diagram of the RF remote control module of the present invention.

Detailed Description

As shown in fig. 1, the utility model discloses a new fan, which comprises a microprocessor 1, a motor control module 2, a power supply module 3, a key module 4, an RF remote control module 5 and a WIFI module 6, wherein the microprocessor 1 is respectively connected with the motor control module 2, the power supply module 3, the key module 4, the RF remote control module 5 and the WIFI module 6,

the microprocessor 1: the system is used for processing the motor control logic, calculating the residual service life of the filter screen of the fresh air machine through an algorithm, receiving a related command and executing the related command according to the received command;

the method comprises the following specific steps:

1. receiving a control command of the WIFI module 6, and executing motor control logic according to the command;

2. receiving a remote control command of the RF remote control module 5 and executing motor control logic according to the command;

3. and receiving a local touch key signal, executing WiFi distribution network, motor control, LED indicator lamp control and the like according to the key signal.

The motor control module 2: and the PWM signal processing circuit is used for converting the 3V PWM signal output by the microprocessor 1 into a 12V PWM signal and transmitting the 12V PWM signal to a motor interface for controlling the rotating speed of a motor.

The power supply module 3: used for power supply and voltage reduction.

The RF remote control module 5: for receiving remote control commands and transmitting them to the microprocessor 1.

The WIFI module 6: and the processor is used for uploading the filter screen parameters of the new fan to the server and the app, receiving the app control command and transmitting the command to the microprocessor 1.

This new fan still includes bayonet WIFI interface, bayonet WIFI interface can compatible multiple WIFI module 6.

The microprocessor 1 employs an STM32F030C8T6 chip.

The key module 4 is a touch key, the touch key obtains the user key action by using three contacts of JP4, JP5 and JP6 in a touch key circuit, the action is converted into a level signal and is transmitted to the microprocessor 1, and the microprocessor 1 knows that the contact is triggered by analyzing the signal, so that the corresponding action is executed.

The power module 3 further comprises a switch chip FM1720, wherein the switch chip FM1720 is used for reducing the 24V direct current voltage input by the external adapter into 12V, and the 12V voltage is used for controlling the rotating speed of the motor.

The power module 3 further comprises a voltage reduction chip HT7233-1, the voltage reduction chip HT7233-1 is used for reducing the 12V voltage into 3.3V, and the 3.3V voltage is used for supplying the microprocessor 1, the WIFI module 6, the RF remote control module 5 and the like.

The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.

Claims

1. A new fan which characterized in that: comprises a microprocessor (1), a motor control module (2), a power supply module (3), a key module (4) and an RF remote control module (5), wherein the microprocessor (1) is respectively connected with the motor control module (2), the power supply module (3), the key module (4) and the RF remote control module (5),

the microprocessor (1): the system is used for processing the motor control logic, calculating the residual service life of the filter screen of the fresh air machine through an algorithm, receiving a related command and executing the related command according to the received command;

the motor control module (2): the PWM signal processing device is used for converting a 3V PWM signal output by the microprocessor (1) into a 12V PWM signal and transmitting the 12V PWM signal to a motor interface to control the rotating speed of a motor;

the power supply module (3): used for power supply and voltage reduction;

the RF remote control module (5): for receiving remote control commands and transmitting them to the microprocessor (1).

2. The new fan in accordance with claim 1, characterized in that: this new fan still includes WIFI module (6), WIFI module (6) with microprocessor (1) links to each other.

3. The new fan of claim 2, characterized in that: this new fan still includes bayonet WIFI interface, bayonet WIFI interface can compatible multiple WIFI module (6).

4. The new fan in accordance with claim 1, characterized in that: the microprocessor (1) adopts an STM32F030C8T6 chip.

5. The new fan in accordance with claim 1, characterized in that: the key module (4) is a touch key.

6. The new fan of claim 2, characterized in that: the power supply module (3) further comprises a switch chip FM1720, and the switch chip FM1720 is used for reducing the 24V direct current voltage input by the external adapter into 12V.

7. The new fan in accordance with claim 1, characterized in that: the power supply module (3) further comprises a voltage reduction chip HT7233-1, and the voltage reduction chip HT7233-1 is used for reducing the voltage of 12V into 3.3V.