CN218782528U - Multifunctional desktop air purifier circuit and multifunctional desktop air purifier - Google Patents
Multifunctional desktop air purifier circuit and multifunctional desktop air purifier Download PDFInfo
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- CN218782528U CN218782528U CN202222987922.9U CN202222987922U CN218782528U CN 218782528 U CN218782528 U CN 218782528U CN 202222987922 U CN202222987922 U CN 202222987922U CN 218782528 U CN218782528 U CN 218782528U
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The utility model discloses a multi-functional desktop air purifier circuit and multi-functional desktop air purifier, multi-functional desktop air purifier circuit includes: the device comprises an MCU controller, a fan control module, a negative ion control module and an atmosphere lamp module; MCU controller respectively with fan control module, anion control module and atmosphere lamp module are connected, be provided with a plurality of touch switch on the MCU controller, touch switch includes the switch of switching on and shutting down, wind speed change over switch, atmosphere lamp switch and anion or filter core change over switch, the MCU controller is arranged in the atmosphere lamp module is started according to multi-functional desktop air purifier's operating duration and preset time threshold value, effectively improve desktop air purifier circuit module ization, make multi-functional desktop air purifier have fan wind speed control, functions such as anion purifier control and atmosphere lamp control, and the atmosphere lamp through this application can also play and remind the user to renew the filter core, functions such as regularly, the user of being convenient for uses.
Description
Technical Field
The application relates to the technical field of air purifiers, concretely relates to multi-functional desktop air purifier circuit and multi-functional desktop air purifier.
Background
With the development of society, the requirement of people on the quality of air is higher and higher, particularly, desktop air purifiers are pursued by each family and even each working worker, and the desktop air purifiers on the market are more in style at present and aim at different purification effects and purification spaces;
however, the modularization of current desktop air purifier circuit is lower for current desktop air purifier function singleness, generally only have control desktop air purifier open and close the function, be unfavorable for the user to use.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a multi-functional desktop air purifier circuit and multi-functional desktop air purifier, can guarantee at least, multi-functional desktop air purifier circuit modularization is higher among the scheme of this application, possess fan control module, anion control module and atmosphere lamp module, make multi-functional desktop air purifier have fan wind speed control, functions such as anion purification device control and atmosphere lamp control, and the atmosphere lamp can also play and remind the user to change the new filter core, functions such as regularly, the user of being convenient for uses.
In a first aspect, an embodiment of the present application provides a multi-functional desktop air purifier circuit, is applied to multi-functional desktop air purifier, multi-functional desktop air purifier circuit includes: the device comprises an MCU controller, a fan control module, a negative ion control module and an atmosphere lamp module;
the MCU controller is respectively connected with the fan control module, the negative ion control module and the atmosphere lamp module, a plurality of touch switches are arranged on the MCU controller, and the touch switches comprise a startup and shutdown switch, a wind speed change switch, an atmosphere lamp switch and a negative ion or filter element replacing switch;
the MCU controller is used for controlling the on-off state of the multifunctional desktop air purifier according to the on-off switch, controlling the wind speed state of a fan corresponding to the fan control module according to the wind speed change-over switch, controlling the on-off state of a first atmosphere lamp in the atmosphere lamp module according to the atmosphere lamp switch, and controlling the on-off state of a negative ion purification device in the negative ion control module according to the negative ion/filter element replacing switch;
the atmosphere lamp module further comprises a second atmosphere lamp, and the MCU controller is used for starting the second atmosphere lamp according to the running time and the preset time threshold of the multifunctional desktop air purifier.
In some embodiments, the multi-functional desktop air purifier circuit further comprises a function icon indicator light module, the function icon indicator light module is connected with the MCU controller, and the function icon indicator light module is configured to display corresponding icons and indicator light according to the states of the multi-functional desktop air purifier, the fan, and the negative ion purification device.
In some embodiments, the function icon indicator light module displays a power-on icon and a first indicator light when the multifunction desktop air purifier is in a power-on state;
the functional icon indicating lamp module displays a wind speed icon and first indicating lamp light when the fan is in a low wind state, the functional icon indicating lamp module displays the wind speed icon and second indicating lamp light when the fan is in a medium wind state, and the functional icon indicating lamp module displays the wind speed icon and third indicating lamp light when the fan is in a high wind state;
under the condition that the negative ion purification device is in an on state, the functional icon indicator lamp module displays negative ion icons and the first indicator lamp light;
under the condition that the first atmosphere lamp is in the on state, the function icon indicating lamp module displays an atmosphere lamp icon and the first indicating lamp light.
In some embodiments, the multifunctional desktop air purifier circuit further comprises a buzzer control module, the buzzer control module is connected with the MCU controller, and the buzzer control module is used for playing a preset audio when the touch switch detects a touch action.
In some embodiments, when the multifunctional desktop air purifier is powered on by the USB power supply, the functional icon indicating lamp module displays a plurality of icons and light of the indicating lamp for a preset display time, the buzzer control module plays a preset audio, and the fan rotates for a preset number of times.
In some embodiments, the MCU controller switches the on state of the anion purification apparatus when the touched time of the anion or filter element replacing switch is less than a preset touch time, and clears the operating time of the multifunctional desktop air purifier when the touched time of the anion or filter element replacing switch is greater than or equal to the preset touch time.
In some embodiments, the multifunctional desktop air purifier circuit further includes a burning port module, the burning port module is connected with the MCU controller, and a burning program port is reserved in the burning port module.
In some embodiments, the power supply of the MCU controller is a 5V USB power supply, the VDD pin of the MCU controller is connected to two filter capacitors, and the 2 nd pin of the MCU controller is connected in series to a sensitive adjustment capacitor.
In some embodiments, the 3 rd pin of the MCU controller is the anion or filter element replacement switch, the 10 th pin of the MCU controller is the atmosphere lamp switch, the 4 th pin of the MCU controller is the power on/off switch, and the 11 th pin of the MCU controller is the wind speed switch.
In a second aspect, an embodiment of the present application provides a multi-functional desktop air purifier, the multi-functional desktop air purifier includes the above-mentioned first aspect multi-functional desktop air purifier circuit.
The application has at least the following beneficial effects: multi-functional desktop air purifier circuit is applied to multi-functional desktop air purifier, multi-functional desktop air purifier circuit includes: the device comprises an MCU controller, a fan control module, a negative ion control module and an atmosphere lamp module; the MCU controller is respectively connected with the fan control module, the negative ion control module and the atmosphere lamp module, a plurality of touch switches are arranged on the MCU controller, and the touch switches comprise a startup and shutdown switch, a wind speed change switch, an atmosphere lamp switch and a negative ion or filter element replacing switch; the MCU controller is used for controlling the on-off state of the multifunctional desktop air purifier according to the on-off switch, controlling the wind speed state of a fan corresponding to the fan control module according to the wind speed change-over switch, controlling the on-off state of a first atmosphere lamp in the atmosphere lamp module according to the atmosphere lamp switch, and controlling the on-off state of a negative ion purification device in the negative ion control module according to the negative ion/filter element replacing switch; atmosphere lamp module still includes second atmosphere lamp, the MCU controller is used for the basis multifunctional desktop air purifier's operating duration and the time threshold value start of predetermineeing the second atmosphere lamp, wherein, divide multifunctional desktop air purifier's circuit according to the function, obtain a plurality of functional module, the MCU controller passes through a plurality of functional module of touch switch, effectively improves desktop air purifier circuit module ization, makes multifunctional desktop air purifier have functions such as fan wind speed control, anion purifier control and atmosphere lamp control, and the atmosphere lamp through this application can also play the warning user and more renew the filter core, function such as regularly, convenient to use user.
Drawings
Fig. 1 is a schematic diagram of a circuit module of a multifunctional desktop air purifier according to an embodiment of the present application;
fig. 2 is a circuit diagram of an MCU controller according to another embodiment of the present application;
FIG. 3 is a circuit diagram of a recording interface module according to another embodiment of the present application;
FIG. 4 is a circuit diagram of a function icon indicator light module according to another embodiment of the present application;
FIG. 5 is a circuit diagram of a USB input terminal and a fan control module according to another embodiment of the present application;
fig. 6 is a circuit diagram of an anion control module according to another embodiment of the present application;
fig. 7 is a circuit diagram of a buzzer control module according to another embodiment of the present application;
FIG. 8 is a circuit diagram of a first ambience lamp module according to another embodiment of the present application;
FIG. 9 is a circuit diagram of a second ambience lamp module according to another embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more clearly understood, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In some embodiments, although the functional blocks are divided in the system diagram, in some cases, they may be divided differently than the blocks in the system. The terms first, second and the like in the description and in the claims, as well as in the drawings described above, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
With the development of society, the requirement of people on the quality of air is higher and higher, particularly, desktop air purifiers are pursued by each family and even each working worker, and the desktop air purifiers on the market are more in style at present and aim at different purification effects and purification spaces;
however, the modularization of current desktop air purifier circuit is lower for current desktop air purifier function singleness only has control desktop air purifier's the function of opening and closing, is unfavorable for the user to use.
For solving above-mentioned problem at least, this application has provided a multi-functional desktop air purifier circuit, is applied to multi-functional desktop air purifier, and multi-functional desktop air purifier circuit includes: the device comprises an MCU controller, a fan control module, a negative ion control module and an atmosphere lamp module; the MCU controller is respectively connected with the fan control module, the negative ion control module and the atmosphere lamp module, and is provided with a plurality of touch switches, wherein the touch switches comprise a startup and shutdown switch, a wind speed change-over switch, an atmosphere lamp switch and a negative ion or filter element replacing switch; the MCU controller is used for controlling the on-off state of the multifunctional desktop air purifier according to the on-off switch, controlling the wind speed state of a fan corresponding to the fan control module according to the wind speed change-over switch, controlling the on-off state of a first atmosphere lamp in the atmosphere lamp module according to the atmosphere lamp switch, and controlling the on-off state of a negative ion purification device in the negative ion control module according to the negative ion/filter element replacement switch; atmosphere lamp module still includes second atmosphere lamp, the MCU controller is used for starting second atmosphere lamp according to multi-functional desktop air purifier's operating duration and default time threshold value, wherein, divide multi-functional desktop air purifier's circuit according to the function, obtain a plurality of functional module, the MCU controller passes through a plurality of functional module of touch switch, effectively improve desktop air purifier circuit module ization, make multi-functional desktop air purifier have fan wind speed control, functions such as anion purifier control and atmosphere lamp control, and the atmosphere lamp through this application can also play the warning user and change new filter core, functions such as timing, the user of being convenient for uses.
The present application is explained below with reference to fig. 1.
Referring to fig. 1, fig. 1 is a schematic diagram of a multifunctional desktop air purifier circuit module provided in an embodiment of the present application, and in a first aspect, an embodiment of the present application provides a multifunctional desktop air purifier circuit applied to a multifunctional desktop air purifier, where the multifunctional desktop air purifier circuit includes: the device comprises an MCU controller, a fan control module, a negative ion control module and an atmosphere lamp module; the MCU controller is respectively connected with the fan control module, the negative ion control module and the atmosphere lamp module, a plurality of touch switches are arranged on the MCU controller, and the touch switches comprise a startup and shutdown switch, a wind speed change switch, an atmosphere lamp switch and a negative ion or filter element replacing switch; the MCU controller is used for controlling the on-off state of the multifunctional desktop air purifier according to the on-off switch, controlling the wind speed state of a fan corresponding to the fan control module according to the wind speed change-over switch, controlling the on-off state of a first atmosphere lamp in the atmosphere lamp module according to the atmosphere lamp switch, and controlling the on-off state of a negative ion purification device in the negative ion control module according to the negative ion/filter element change-over switch; the atmosphere lamp module further comprises a second atmosphere lamp, and the MCU controller is used for starting the second atmosphere lamp according to the running time and the preset time threshold of the multifunctional desktop air purifier.
In some embodiments, the multi-functional desktop air purifier circuit further comprises a function icon indicator light module, the function icon indicator light module is connected with the MCU controller, and the function icon indicator light module is configured to display corresponding icons and indicator light according to the states of the multi-functional desktop air purifier, the fan, and the negative ion purification device.
In some embodiments, the function icon indicator light module displays a power-on icon and a first indicator light when the multifunction desktop air purifier is in a power-on state; the functional icon indicating lamp module displays a wind speed icon and first indicating lamp light when the fan is in a low wind state, the functional icon indicating lamp module displays the wind speed icon and second indicating lamp light when the fan is in a medium wind state, and the functional icon indicating lamp module displays the wind speed icon and third indicating lamp light when the fan is in a high wind state; under the condition that the anion purification device is in an on state, the functional icon indicator lamp module displays anion icons and the first indicator lamp light;
under the condition that first atmosphere lamp is in the on state, function icon pilot lamp module show the atmosphere lamp icon with first pilot lamp light.
In some embodiments, the multifunctional desktop air purifier circuit further comprises a buzzer control module, the buzzer control module is connected with the MCU controller, and the buzzer control module is used for playing a preset audio when the touch switch detects a touch action.
In some embodiments, when the multifunctional desktop air purifier is powered on by the USB power supply, the functional icon indicating lamp module displays a plurality of icons and light of the indicating lamp for a preset display time, the buzzer control module plays a preset audio, and the fan rotates for a preset number of times.
In some embodiments, the MCU controller switches the on state of the anion purification apparatus when the touched time of the anion or filter element replacing switch is less than a preset touch time, and clears the operating time of the multifunctional desktop air purifier when the touched time of the anion or filter element replacing switch is greater than or equal to the preset touch time.
In some embodiments, the multifunctional desktop air purifier circuit further includes a burning port module, the burning port module is connected with the MCU controller, and a burning program port is reserved in the burning port module.
In some embodiments, the power supply of the MCU controller is a 5V USB power supply, the VDD pin of the MCU controller is connected to two filter capacitors, and the 2 nd pin of the MCU controller is connected in series to a sensitive adjustment capacitor.
In some embodiments, the 3 rd pin of the MCU controller is the anion or filter element replacement switch, the 10 th pin of the MCU controller is the atmosphere lamp switch, the 4 th pin of the MCU controller is the power on/off switch, and the 11 th pin of the MCU controller is the wind speed switch.
In a second aspect, an embodiment of the present application provides a multi-functional desktop air purifier, the multi-functional desktop air purifier includes the above-mentioned first aspect multi-functional desktop air purifier circuit.
Referring to fig. 2 to 9, fig. 2 is a circuit diagram of an MCU controller according to another embodiment of the present application, fig. 3 is a circuit diagram of a burner module according to another embodiment of the present application, fig. 4 is a circuit diagram of a function icon indicator module according to another embodiment of the present application, fig. 5 is a circuit diagram of a USB input terminal and a fan control module according to another embodiment of the present application, fig. 6 is a circuit diagram of a negative ion control module according to another embodiment of the present application, fig. 7 is a circuit diagram of a buzzer control module according to another embodiment of the present application, fig. 8 is a circuit diagram of a first ambience lamp module according to another embodiment of the present application, and fig. 9 is a circuit diagram of a second ambience lamp module according to another embodiment of the present application.
Fig. 2 to 9 are specific circuit designs of the multifunctional desktop air purifier circuit of the present application, and the MCU controller and each functional module in fig. 2 to 9 are explained in turn.
In some embodiments, the specific connection of the MCU controller is as in fig. 2, and the principle of the MCU controller in fig. 2 is as follows: the USB5V is used for directly supplying power to the MCU controller to work, wherein a capacitor C3/C2 is used for filtering a VDD pin of the MCU controller, and a No. 2 pin is connected with a C7 capacitor in series and used for adjusting the sensitivity of a built-in touch pin of the MCU controller; the 3 rd pin of the MCU controller is the anion or filter element replacing switch, the 10 th pin of the MCU controller is the atmosphere lamp switch, the 4 th pin of the MCU controller is the startup and shutdown switch, and the 11 th pin of the MCU controller is the wind speed change-over switch; totally four touch switch correspond the touch button on the multi-functional desktop air purifier respectively:
(1) the power-on/power-off switch corresponds to a power-on/power-off button and is used for controlling the power-on/power-off switching of the air purifier (when the air purifier is started, a fan is started by default at a low wind level);
(2) the wind speed switch corresponds to a wind speed button and is used for controlling the low wind/medium wind/high wind switching of the fan;
(3) the atmosphere lamp switch corresponds to an atmosphere lamp key and is used for correspondingly starting/closing the first atmosphere lamp, wherein the first atmosphere lamp is a blue atmosphere lamp;
(4) anion or filter core change switch correspond anion/filter core and change the button for the short time starts anion/closes the anion and switches, makes on time long multi-functional desktop air purifier's operating duration zero clearing + second atmosphere lamp scintillation three times, wherein, multi-functional desktop air purifier's operating duration can be understood as filter core live time, and second atmosphere lamp is ruddiness atmosphere lamp, and then the effectual user of reminding changes the filter core.
In some embodiments, the principle of the burning interface module in fig. 3 is as follows: the USB5V is connected to the serial ports TX and RX through the resistors R14 and R35, and a burning program port needs to be reserved on the PCB, so that burning and updating programs can be conveniently carried out at any time after a PCB finished product comes out.
In some embodiments, the principle of the function icon indicator light module in fig. 4 is as follows: and the function icon indicator lamp displays, and the L5 is a negative ion work indicator (the white light is normally on) and is controlled by the signal of the MCU controller LED 2. L1 is a power-on operation indication (white light normally on + power-on default low windshield start), and is controlled by the signal of the MCU controller FAN. L3 is an atmosphere lamp work indication (white light is normally on) and is controlled by a MCU controller COM1 signal. L6 is a low wind operation indicator (white light is normally on) and is controlled by a signal of the MCU controller B. L7 is a stroke work indication (the blue light is normally on) and is controlled by the MCU controller A signal. L4 is a high wind working indicator (the green light is normally on) and is controlled by a signal of the MCU controller C. A total of four icons indicate: the solar air purifier is capable of effectively reminding a user of the current state of the purifier and improving the user experience in use.
In some embodiments, the principles of the USB input and fan control module of fig. 5 are as follows: the circuit has the advantages that the incoming voltage of the USB is 5V, and the working voltage of the motor is 9V in high wind, so that the principle of the circuit is that the IO port of the single chip microcomputer is utilized to perform boosting processing, the voltage detected by the FB signal pin of the MCU controller is mainly utilized to perform feedback to enable the PWM signal to output a square wave signal, and the diode D2 outputs a boosting level (6-9V). The FAN signal FAN is a start-up state for turning on and off the FAN by outputting a high and low level according to the power-on and power-off signals of the FAN touch key.
In some embodiments, the principles of the negative ion control module of fig. 6 are as follows: the control end of anion, UCB5V direct power supply gives anion one end, and the other end is controlled by triode Q1, and LED2 signal output high level in the MCU controller passes through resistance R10 to triode Q1 when making it open and then control the on and off state of anion.
In some embodiments, the principle of the buzzer control module in fig. 7 is as follows: the buzzer control end directly outputs a frequency through a capacitor C5 by a BEEP signal in the MCU controller to control the BEEP signal. Each time a key is touched, an audible prompt is sounded.
In some embodiments, the first ambience lamp module in fig. 8 is based on the following principle: the first peripheral atmosphere lamp (red) of panel, UCB5V directly supplies power for atmosphere lamp one end through a series of resistance, and one end is controlled by triode Q2 in addition, passes through resistance R21 to triode Q2 when the 3 signal output high level of LED in the MCU controller, makes it open and then control the on and off state of atmosphere lamp.
In some embodiments, the second ambience lamp module in fig. 9 is based on the following principle: panel second kind outlying atmosphere lamp (blue), UCB5V directly gives atmosphere lamp one end through a series of resistance power supplies, and one end is controlled by triode Q3 in addition, passes through resistance R32 to triode Q3 during LED1 signal output high level in the MCU controller, makes it open and then controls the on and off state of atmosphere lamp.
In some embodiments, the multifunction desktop air purifier circuit of the present application may perform functions including, but not limited to: 1) Atmosphere lamp function: the blue lamp (15PCS SMD 0805) and the red lamp (12PCS SMD0805) are mainly used for a real atmosphere lamp at night, and the red lamp is mainly used for reminding the user of lighting the lamp when the filter element needs to be replaced; 2) The filter element replacement indicating function: after the product is used for 3000 hours in an accumulated way, the red atmosphere lamp is automatically turned on (the anion/filter element replacement key needs to be pressed for a long time to clear the time and remind a client of replacing the filter element at the time); 3) The power-on self-test function: when the USB power line is electrified, all the icon indicating lamps and the blue atmosphere lamp (except the red atmosphere lamp) are fully lighted for 0.5S, the buzzer sounds one sound, and the fan rotates a little. When the product is produced, one detection performance of the staff and the condition of the product function proved by the power-on of the consumer are facilitated; 4) And (3) replacing a button with negative ions/a filter element: the short time is the switching of starting negative ions and closing the negative ions, and the long time is the zero clearing of the filter element using time and the red flashing of the atmosphere lamp for three times; 5) Timing function: the atmosphere lamp key is pressed for a long time, the blue light of the atmosphere lamp flickers for 8 times to represent 8-hour timing starting, the atmosphere lamp key is pressed for a long time again, and the blue light of the atmosphere lamp flickers for 3 times to represent 8-hour timing canceling; 6) The child lock function: and long-time pressing of the power-on/power-off button indicates that the child lock function is turned on (no response is caused to other buttons when the operation is carried out), long-time pressing of the power-on/power-off button again indicates that the child lock function is turned off.
To sum up, multi-functional desktop air purifier circuit and multi-functional desktop air purifier modularization are higher among the scheme of this application, possess fan control module, anion control module, atmosphere lamp module, burn a mouthful module, bee calling organ control module and function icon pilot lamp module, make multi-functional desktop air purifier have fan wind speed control, anion purification device control, atmosphere lamp control, bee calling organ reminds, burn a mouthful entry procedure, function icon pilot lamp shows, the filter core is changed and is instructed, function such as power-on self-checking and timing, when high modularization does benefit to production, be convenient for the user to use, can effectively improve user and use experience.
Claims (10)
1. The utility model provides a multi-functional desktop air purifier circuit, is applied to multi-functional desktop air purifier, its characterized in that, multi-functional desktop air purifier circuit includes: the device comprises an MCU controller, a fan control module, a negative ion control module and an atmosphere lamp module;
the MCU controller is respectively connected with the fan control module, the negative ion control module and the atmosphere lamp module, a plurality of touch switches are arranged on the MCU controller, and the touch switches comprise a startup and shutdown switch, a wind speed change switch, an atmosphere lamp switch and a negative ion or filter element replacing switch;
the MCU controller is used for controlling the on-off state of the multifunctional desktop air purifier according to the on-off switch, controlling the wind speed state of a fan corresponding to the fan control module according to the wind speed change-over switch, controlling the on-off state of a first atmosphere lamp in the atmosphere lamp module according to the atmosphere lamp switch, and controlling the on-off state of a negative ion purification device in the negative ion control module according to the negative ion/filter element change-over switch;
the atmosphere lamp module further comprises a second atmosphere lamp, and the MCU controller is used for starting the second atmosphere lamp according to the running time and the preset time threshold of the multifunctional desktop air purifier.
2. The multifunctional desktop air purifier circuit of claim 1, further comprising a function icon indicator light module, the function icon indicator light module being connected to the MCU controller, the function icon indicator light module being configured to display corresponding icon and indicator light according to the status of the multifunctional desktop air purifier, the fan, and the anion purification device.
3. The multi-function desktop air purifier circuit of claim 2, wherein the function icon indicator light module displays a power-on icon and a first indicator light when the multi-function desktop air purifier is in a power-on state;
the functional icon indicating lamp module displays a wind speed icon and first indicating lamp light when the fan is in a low wind state, the functional icon indicating lamp module displays the wind speed icon and second indicating lamp light when the fan is in a medium wind state, and the functional icon indicating lamp module displays the wind speed icon and third indicating lamp light when the fan is in a high wind state;
under the condition that the anion purification device is in an on state, the functional icon indicator lamp module displays anion icons and the first indicator lamp light;
under the condition that the first atmosphere lamp is in the on state, the function icon indicating lamp module displays an atmosphere lamp icon and the first indicating lamp light.
4. The multifunctional desktop air purifier circuit of claim 3, further comprising a buzzer control module, wherein the buzzer control module is connected to the MCU controller, and the buzzer control module is configured to play a preset audio when the touch switch detects a touch action.
5. The multifunctional desktop air purifier circuit of claim 4, wherein when the multifunctional desktop air purifier is powered on by the USB power supply, the functional icon indicator light module displays a plurality of icons and indicator light for a preset display time, the buzzer control module plays a preset audio, and the fan rotates for a preset number of times.
6. The multifunctional desktop air purifier circuit of claim 1, wherein the MCU controller switches the on state of the anion purifier when the touched time of the anion or filter element replacing switch is less than a preset touch time, and clears the operating time of the multifunctional desktop air purifier when the touched time of the anion or filter element replacing switch is greater than or equal to the preset touch time.
7. The multifunctional desktop air purifier circuit of claim 1, further comprising a burning port module, wherein the burning port module is connected with the MCU controller, and a burning program port is reserved in the burning port module.
8. The multifunctional desktop air purifier circuit of claim 1, wherein the power supply of the MCU controller is a 5V USB power supply, two filter capacitors are connected to the VDD pin of the MCU controller, and a sensitive adjusting capacitor is connected in series to the No. 2 pin of the MCU controller.
9. The multifunctional desktop air purifier circuit of claim 1, wherein the 3 rd pin of the MCU controller is the anion or filter element replacing switch, the 10 th pin of the MCU controller is the atmosphere lamp switch, the 4 th pin of the MCU controller is the power on/off switch, and the 11 th pin of the MCU controller is the wind speed switching switch.
10. A multi-function desktop air purifier comprising the multi-function desktop air purifier circuit of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222987922.9U CN218782528U (en) | 2022-11-09 | 2022-11-09 | Multifunctional desktop air purifier circuit and multifunctional desktop air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222987922.9U CN218782528U (en) | 2022-11-09 | 2022-11-09 | Multifunctional desktop air purifier circuit and multifunctional desktop air purifier |
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| CN218782528U true CN218782528U (en) | 2023-03-31 |
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| CN202222987922.9U Active CN218782528U (en) | 2022-11-09 | 2022-11-09 | Multifunctional desktop air purifier circuit and multifunctional desktop air purifier |
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| CN (1) | CN218782528U (en) |
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