CN216929175U

CN216929175U - High-voltage generating device of ion fan

Info

Publication number: CN216929175U
Application number: CN202220331657.6U
Authority: CN
Inventors: 张文奎
Original assignee: Shenzhen Kaishide Technology Co ltd
Current assignee: Shenzhen Kaishide Technology Co ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-07-08
Anticipated expiration: 2032-02-18

Abstract

The utility model provides a high-voltage generating device of an ion fan. The high-voltage generating device of the ion blower comprises a power supply module, a motor driving module, a CPU control module, a fan module, a communication module, a high-voltage positive and negative ion generator and an alarm detection module. Compared with the prior art, the device has more stable adjustment, increases the adjustment mode of the phase in the original adjustment of the positive and negative voltage duty ratio, and adjusts the ion balance more accurately under the condition of not reducing the output power. Through increasing the demonstration of various screen, come out all numerical values through the accurate demonstration of display screen, through the screen display, make things convenient for personnel's management and the precision that the electric field was gathered is higher.

Description

High-voltage generation device of ion fan

Technical Field

The utility model relates to the technical field of fan driving, in particular to a high-voltage generating device of an ion fan.

Background

The existing fan circuit only takes the transformer as a boosting device, supplies power to the transformer when high voltage is needed, and stops supplying power to the transformer when the high voltage is not needed, so that the generation of the high voltage is realized. However, the driving method adopted in the existing fan circuit can only meet the high-voltage start-stop requirement, i.e., the high-voltage start and stop is controlled, but the control for the high voltage cannot be realized, the control mode is single, the requirements for flexibility and diversity of the control mode cannot be realized, and how to realize the control for the high voltage in the fan circuit and how to accurately display all numerical values through the display screen becomes a technical problem which needs to be solved urgently.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a high-voltage generating device of an ion fan.

The technical scheme adopted by the utility model is as follows:

a high-voltage generating device of an ion blower comprises a power supply module, a motor driving module, a CPU control module, a fan module, a communication module, a high-voltage positive and negative ion generator and an alarm detection module;

the CPU control module is connected with the communication module, receives the instruction of the upper computer from the communication module and returns the data to the upper computer; and the CPU control module sends a PWM control signal to the fan module to control the fan.

Furthermore, the alarm detection module is connected with the high-voltage positive and negative ion generator, detects the high-voltage low-frequency 50Hz pulse output of the high-voltage positive and negative ion generator, and feeds back the detection result to the CPU control module.

Furthermore, the alarm detection module comprises an ion balance nondestructive alarm detection unit and a high-voltage isolation nondestructive alarm detection unit.

Further, the high-voltage positive and negative ion generator is connected with the CPU control module and receives the PWM signal from the CPU control module.

Further, the CPU control module is connected with the motor driving module and sends a driving control signal to the motor driving module.

Further, the motor driving module comprises a constant current output control unit, a motor forward rotation control unit and a motor reverse rotation control unit.

Further, the constant current output control unit outputs a constant current control voltage to the motor forward rotation control unit and the motor reverse rotation control unit according to the driving control signal so as to control the motor dry cleaning discharge needle.

Through the embodiment of the utility model, the following technical effects can be obtained: compared with the prior art, the method has the advantages that the regulation can be more stable, the phase regulation mode is added in the regulation of the original positive and negative voltage duty ratio, and the ion balance can be regulated more accurately under the condition of not reducing the output power. The color screen display is added, and all numerical values can be accurately displayed through the display screen. Through screen display, make things convenient for personnel's management and the precision that the electric field was gathered has been higher.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed in the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without inventive labor.

FIG. 1 is a schematic diagram of the composition principle of a high-voltage generator of an ion blower;

fig. 2 is a schematic circuit diagram of a keypad;

FIG. 3 is a schematic circuit diagram of a drive board;

fig. 4 is a control block diagram of the high voltage generator of the ion blower.

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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Fig. 1 is a schematic diagram of the composition principle of the high-voltage generation device of the ion blower. The high-voltage generating device of the ion blower comprises a power supply module, a motor driving module, a CPU control module, a fan module, a communication module, a high-voltage positive and negative ion generator and an alarm detection module;

the CPU control module is connected with the communication module, receives the instruction of the upper computer from the communication module and returns the data to the upper computer; the CPU control module sends a PWM control signal to the fan module to control the fan;

the alarm detection module is connected with the high-voltage positive and negative ion generator, detects the high-voltage low-frequency 50Hz pulse output of the high-voltage positive and negative ion generator and feeds back the detection result to the CPU control module; the alarm detection module comprises an ion balance nondestructive alarm detection unit and a high-voltage isolation nondestructive alarm detection unit;

the high-voltage positive and negative ion generator is connected with the CPU control module and receives the PWM signal from the CPU control module;

the CPU control module is connected with the motor driving module and sends a driving control signal to the motor driving module; the motor driving module comprises a constant current output control unit, a motor forward rotation control unit and a motor reverse rotation control unit, wherein the constant current output control unit outputs constant current control voltage to the motor forward rotation control unit and the motor reverse rotation control unit according to the driving control signal so as to control a motor dry cleaning discharge needle; the needle point of the discharge needle is cleaned through the rotation of the hairbrush, and the adhesion of dust on the needle point of the discharge needle is reduced.

Control fan, high-voltage package, wind window detect and detect in the singlechip, and the fan has 5pin lines, and including trouble feedback and PWM control line, when breaking down, directly feed back fault information to CPU control module. The detection of the high-voltage package is judged by current, and when the current is reduced, the high-voltage package is damaged. The MCU detects the air window switch firstly, the fan comprises a positive and negative rotation and an identification alarm signal, and when the alarm occurs, the alarm information is directly fed back to the CPU control module. After receiving the alarm signal, the display part can prompt, the buzzer sounds and the ion fan stops working. The fans are connected by 485 to transmit the states of the fans, such as the gear positions of the fans, the numerical value of high voltage, the numerical value of balance and the like, and the FPWs 1 and 2 control the gear speed adjustment of the fans.

The motor wind window detection, UF1 10 th pin gives 50khz high frequency when starting up, 24V input is carried out frequency conversion control to UM3, the frequency is changed through internal LC, UM3 and inductance resonance, and the voltage is reduced to 5V. The effect reduces the electric current, and the motor is difficult to burn out. UM1 controls motor forward rotation UM2 controls motor reverse rotation.

And (4) ion balance detection, namely detecting the amount of blown ions by using a metal detection ring. The detection ring is switched with the front windshield, and the detection ring is not in contact with the front windshield. The high voltage package is T1, and the discharge needle connects to the output of T1 and produces the ion and passes through the detection ring, and the positive ion and the negative ion that produce, the ion of output is relatively smooth. In order to prevent high voltage loss, high voltage isolation detection is carried out, high frequency resonance is carried out through Q6 and Q7 after the high voltage isolation detection, the pulse value of high voltage ion balance is collected and then is buffered and amplified through an internal triode of an optocoupler, the current and the pulse of the optocoupler are amplified, and a red light is lighted for warning when the high voltage ion balance is abnormal. And simultaneously, the ADC value is collected, 0v is used in normal, and high level is used for informing high voltage to send out an alarm signal when the ADC value is abnormal. The same principle applies to the detection loop. The detection ring is amplified through an operational amplifier, a voltage value is given to the single chip microcomputer, and the deviation from positive or negative is judged through operation.

Carrying out WiFi and Lora communication by using a single chip microcomputer; high voltage detection alarm, fan detection alarm, ion balance detection alarm. The triode is additionally arranged beside the 485 circuit for guiding, and the circuit can normally operate only when being grounded, otherwise, the circuit can give an alarm.

Fig. 2 is a schematic circuit diagram of the keypad.

Fig. 3 is a schematic circuit diagram of the driving board.

Fig. 4 is a control block diagram of the high voltage generator of the ion blower. The control method comprises the following steps:

step 1, detecting whether the air window is normally closed tightly;

step 2, reversely rotating the fan, and cleaning the motor to clean the discharge needles;

step 3, rotating the fan forward, and stopping the cleaning motor;

and 4, continuously operating the high-voltage output fan.

The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the utility model is not described in any way for the possible combinations in order to avoid unnecessary repetition. In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims

1. The high-voltage generating device of the ion blower is characterized by comprising a power supply module, a motor driving module, a CPU control module, a fan module, a communication module, a high-voltage positive and negative ion generator and an alarm detection module;

2. The high-voltage generation device of the ion blower according to claim 1, characterized in that an alarm detection module is connected with the high-voltage positive and negative ion generator, detects the high-voltage low-frequency 50Hz pulse output of the high-voltage positive and negative ion generator, and feeds back the detection result to the CPU control module.

3. The ion blower high-voltage generation device according to claim 2, wherein the alarm detection module comprises an ion balance nondestructive alarm detection unit and a high-voltage isolation nondestructive alarm detection unit.

4. The ion blower high voltage generating device according to claim 1, wherein the high voltage positive and negative ion generator is connected to the CPU control module and receives the PWM signal from the CPU control module.

5. The high voltage generator of ion blower of claim 1, wherein the CPU control module is connected to the motor driving module and sends a driving control signal to the motor driving module.

6. The ion blower high pressure generating device according to claim 5, wherein the motor driving module comprises a constant current output control unit, a motor forward rotation control unit and a motor reverse rotation control unit.

7. The high voltage generator of claim 6, wherein the constant current output control unit outputs a constant current control voltage to the motor forward rotation control unit and the motor reverse rotation control unit according to the driving control signal, so as to control the motor dry cleaning discharge needle.