CN219995511U - Control circuit of air purification device and PCB thereof - Google Patents

Control circuit of air purification device and PCB thereof Download PDF

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Publication number
CN219995511U
CN219995511U CN202320629946.9U CN202320629946U CN219995511U CN 219995511 U CN219995511 U CN 219995511U CN 202320629946 U CN202320629946 U CN 202320629946U CN 219995511 U CN219995511 U CN 219995511U
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pin
chip
unit
electrically connected
control circuit
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黄铁军
唐辉
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Landvance Lighting Co ltd
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Landvance Lighting Co ltd
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Abstract

The utility model relates to the technical field of air purification, and particularly discloses a control circuit of an air purification device and a PCB (printed circuit board) thereof, wherein an anion generator, an ultraviolet generator, a lighting lamp and/or an atmosphere lamp are arranged in the air purification device; the utility model can make the air purifying device be assembled with the anion generator and the ultraviolet generator so as to improve the air purifying efficiency of the air purifying device and enrich the use functions of the air purifying device.

Description

Control circuit of air purification device and PCB thereof
Technical Field
The utility model relates to the technical field of air purification, in particular to a control circuit of an air purification device and a PCB (printed circuit board) thereof.
Background
At present, the global environmental air quality is concerned by people, and the quality of the environmental air directly influences the physical and mental health of people. In modern society, people basically live in indoor environments, and indoor air pollutants are more complex in composition, such as: solid particles, volatile organic pollutants, microorganisms and the like, and a water mist type air purifying device is adopted to purify air in the prior art.
However, the control circuit of the air purifying device on the market has a single function, generally only a water mist sprayer can be assembled, and the water mist generated by the water mist sprayer enables particles in the air to be attached to the water mist and fall along with the water mist to achieve the effect of purifying the air, but the water mist is easy to increase indoor humidity, when the indoor relative humidity is overlarge, the indoor relative humidity is easy to cause discomfort of a human body, the purifying strength of the indoor relative humidity is relatively fixed, and the purifying efficiency is relatively low.
It can be seen that there is a need for improvements and improvements in the art.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, an object of the present utility model is to provide a control circuit of an air purification device and a PCB board thereof, which can improve the air purification efficiency of the air purification device and enrich the use functions of the air purification device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the technical scheme of the utility model provides a control circuit of an air purification device, wherein an anion generator, an ultraviolet generator, a lighting lamp and/or an atmosphere lamp are arranged in the air purification device, the control circuit comprises a control unit, a first disinfection driving unit, a second disinfection driving unit, a voice control unit and a light driving unit, wherein the first disinfection driving unit, the second disinfection driving unit, the voice control unit and the light driving unit are respectively and electrically connected with the control unit, the first disinfection driving unit is used for realizing the work control of the anion generator, the second disinfection driving unit is used for realizing the work control of the ultraviolet generator, the voice control unit is used for realizing the voice control of the air purification device, and the light driving unit is used for realizing the work control of the lighting lamp and/or the atmosphere lamp.
In the control circuit of the air purifying device, the control unit comprises a first chip U1, the first disinfection driving unit is respectively and electrically connected with a pin 12, a pin 17, a pin 21, a pin 29 and a pin 51 of the first chip U1, the second disinfection driving unit is respectively and electrically connected with a pin 16 and a pin 20 of the first chip U1, the voice control unit is respectively and electrically connected with a pin 62 and a pin 63 of the first chip, and the light driving unit is respectively and electrically connected with a pin 13, a pin 26, a pin 27 and a pin 28 of the first chip U1.
In the control circuit of the air purifying device, the light driving unit comprises a first driving part, a second driving part, a third driving part and a fourth driving part, wherein the input end of the first driving part, the input end of the second driving part, the input end of the third driving part and the input end of the fourth driving part are sequentially and correspondingly connected with the pin 13, the pin 26, the pin 27 and the pin 28 of the first chip U1, and the output end of the first driving part, the output end of the second driving part, the output end of the third driving part and the output end of the fourth driving part are used for controlling the operation of the lighting lamp and/or the atmosphere lamp.
In the control circuit of the air purifying device, the first disinfection driving unit comprises an anion driving part for controlling the operation of the anion generator and a fan driving part for controlling the operation of the fan, the anion driving part is electrically connected with the pin 17 and the pin 21 of the first chip U1, and the fan driving part is electrically connected with the pin 12, the pin 29 and the pin 51 of the first chip U1.
In the control circuit of the air purifying device, the second disinfection driving unit includes a second chip U2 and a field effect transistor Q701, a pin 1 and a pin 2 of the second chip U2 are electrically connected with a source electrode of the field effect transistor Q701, a pin 3 of the second chip U2 is electrically connected with a gate electrode of the field effect transistor Q701, and a pin 5 of the second chip U2 is electrically connected with a drain electrode of the field effect transistor Q701; the pin 4 of the second chip U2 is electrically connected to the pin 16 of the first chip, and the drain of the fet Q701 is electrically connected to the pin 20 of the first chip.
In the control circuit of the air purifying device, the voice control unit comprises a third chip U3, a fourth chip U4 and a fifth chip U5, a pin 16 of the third chip U3 is electrically connected with a pin 1 of the fourth chip U4, a pin 9, a pin 10 and a pin 11 of the third chip U3 are sequentially and correspondingly connected with a pin 9, a pin 10 and a pin 1 of the fifth chip U5, a pin 4 of the fourth chip is electrically connected with a pin 16 of the fifth chip U5, and a pin 14 and a pin 15 of the third chip U3 are respectively and correspondingly connected with a pin 62 and a pin 63 of the first chip.
In the control circuit of the air purifying device, the control circuit of the air purifying device further comprises an air quality detection unit, the air quality detection unit is used for acquiring data of an air quality detector, and the air quality detection unit is correspondingly connected with the pin 32, the pin 33, the pin 47, the pin 48 and the pin 56 of the first chip U1.
In the control circuit of the air purification device, the control circuit of the air purification device further comprises a temperature and humidity detection unit, the temperature and humidity detection unit is used for acquiring data of a temperature and humidity sensor, and the temperature and humidity detection unit is electrically connected with the pin 10 and the pin 11 of the first chip U1.
In the control circuit of the air purification device, the control circuit of the air purification device further comprises a clock unit, wherein the clock unit is used for realizing the timing closing or starting of the air purification device, the clock unit comprises a sixth chip U6, and a pin 5, a pin 6 and a pin 7 of the sixth chip U6 are respectively and electrically connected with a pin 23, a pin 24 and a pin 25 of the first chip U1; and/or the control circuit of the air purification device further comprises an electricity connection unit, wherein the electricity connection unit is used for realizing stable power supply of the air purification device, the electricity connection unit comprises a seventh chip U7, and a pin 3 of the seventh chip U7 is electrically connected with a pin 1 of the first chip U1.
The technical scheme of the utility model also provides a PCB printed with the control circuit of the air purifying device.
The beneficial effects are that:
the utility model provides a control circuit of an air purification device and a PCB (printed circuit board) thereof, wherein a first disinfection driving unit and a second disinfection driving unit are arranged on the control unit, so that both an anion generator and an ultraviolet generator can be assembled on the air purification device, the traditional control circuit which can only be assembled with a water mist sprayer is broken, the air purification efficiency of the air purification device is improved, the discomfort of a human body caused by overlarge indoor humidity due to water mist is avoided, the physical and mental health of people is ensured, meanwhile, the light driving unit is arranged on the control unit, so that the air purification device can be assembled in a mixed mode of a lighting lamp, an atmosphere lamp and the lighting lamp, and the voice control unit is arranged on the control unit, the voice control of the air purification device is realized, and the use function of the air purification device is enriched.
Drawings
FIG. 1 is a circuit block diagram of a control circuit of an air cleaning device provided by the utility model;
FIG. 2 is a circuit configuration diagram of a control unit in a control circuit of the air cleaning device according to the present utility model;
fig. 3 is a circuit configuration diagram of a first sterilizing driving unit in a control circuit of the air cleaning apparatus according to the present utility model;
fig. 4 is a circuit configuration diagram of a second sterilizing driving unit in a control circuit of the air cleaning apparatus according to the present utility model;
FIG. 5 is a circuit diagram of a voice control unit in a control circuit of an air purifying device according to the present utility model
FIG. 6 is a circuit diagram of a light driving unit in a control circuit of the air purifying device according to the present utility model;
FIG. 7 is a circuit configuration diagram of an air quality detecting unit in a control circuit of the air purifying apparatus according to the present utility model;
FIG. 8 is a circuit configuration diagram of a temperature and humidity detecting unit in a control circuit of the air purifying device provided by the utility model;
FIG. 9 is a circuit configuration diagram of a clock unit in a control circuit of the air cleaning apparatus according to the present utility model;
fig. 10 is a circuit configuration diagram of a power connection unit in a control circuit of the air cleaning apparatus according to the present utility model.
Description of main reference numerals: the device comprises a 1-control unit, a 2-first disinfection driving unit, a 21-anion driving unit, a 22-fan driving unit, a 3-second disinfection driving unit, a 4-voice control unit, a 5-lamplight driving unit, a 51-first driving unit, a 52-second driving unit, a 53-third driving unit, a 54-fourth driving unit, a 6-air quality detection unit, a 7-temperature and humidity detection unit, an 8-clock unit and a 9-electricity connection unit.
Detailed Description
The utility model provides a control circuit of an air purifying device and a PCB (printed circuit board) thereof, and aims to make the purposes, technical schemes and effects of the utility model clearer and more definite.
In the description of the present utility model, it should be understood that the terms "electrically connected," "connected," and the like should be construed broadly, and that the specific meaning of the terms in the present utility model may be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1, the utility model provides a control circuit of an air purifying device, wherein a negative ion generator, an ultraviolet generator, a lighting lamp and/or an atmosphere lamp are arranged in the air purifying device, the control circuit comprises a control unit 1, a first disinfection driving unit 2, a second disinfection driving unit 3, a voice control unit 4 and a light driving unit 5 which are respectively and electrically connected with the control unit 1, the first disinfection driving unit 2 is used for realizing the work control of the negative ion generator, the second disinfection driving unit 3 is used for realizing the work control of the ultraviolet generator, the voice control unit 4 is used for realizing the voice control of the air purifying device, and the light driving unit 5 is used for realizing the work control of the lighting lamp and/or the atmosphere lamp.
In the practical application process, the negative ion generator and the ultraviolet generator can be assembled on the air purification device by arranging the first disinfection driving unit 2 and the second disinfection driving unit 3 on the control unit 1, so that the air purification efficiency of the air purification device is improved, the traditional control circuit which can only be assembled with the water mist sprayer is broken, the discomfort of a human body caused by overlarge indoor humidity due to water mist is avoided, the physical and mental health of people is ensured, meanwhile, the light driving unit 5 is arranged on the control unit 1 so that the air purification device can be assembled in a mixed mode of a lighting lamp, an atmosphere lamp and the lighting lamp, and the voice control of the air purification device is realized by arranging the voice control unit 4 on the control unit 1, and the use function of the air purification device is enriched.
The negative ion generator generates negative ions, and the negative ions are effectively combined with particles, bacteria and the like in the air to precipitate the particles, and meanwhile, the structure of the bacteria is changed to kill the bacteria, so that the air purifying effect is realized; in addition, the ultraviolet generator emits ultraviolet rays with proper wavelength to destroy the molecular structure of DNA or RNA in the cells of the microorganism organism, and cause the death of growing cells and the death of regenerative cells, thereby achieving the effects of sterilization and disinfection; the control unit 1 is a single chip microcomputer, and the control of the first disinfection driving unit 2, the second disinfection driving unit 3, the voice control unit 4 and the light driving unit 5 is realized by using the single chip microcomputer, which belongs to common technical means in the prior art and is not described herein.
As shown in fig. 2, in some embodiments, the control unit 1 includes a first chip U1, the first disinfection driving unit 2 is electrically connected to the pin 12, the pin 17, the pin 21, the pin 29 and the pin 51 of the first chip U1, the second disinfection driving unit 3 is electrically connected to the pin 16 and the pin 20 of the first chip U1, the voice control unit 4 is electrically connected to the pin 62 and the pin 63 of the first chip, and the light driving unit 5 is electrically connected to the pin 13, the pin 26, the pin 27 and the pin 28 of the first chip U1. The model of the first chip U1 is LQFP64, the control unit 1 takes the first chip U1 as a core, a plurality of interfaces can be led out, circuit design is convenient, and surge protection design can be respectively carried out on the interfaces and the power supply of the control unit 1, so that the action voltage of the whole circuit is protected, and the loss of components in the whole circuit is reduced.
As shown in fig. 6, in some embodiments, the light driving unit 5 includes a first driving portion 51, a second driving portion 52, a third driving portion 53, and a fourth driving portion 54, where an input end of the first driving portion 51, an input end of the second driving portion 52, an input end of the third driving portion 53, and an input end of the fourth driving portion 54 are sequentially connected with the pin 13, the pin 26, the pin 27, and the pin 28 of the first chip U1, and an output end of the first driving portion 51, an output end of the second driving portion 52, an output end of the third driving portion 53, and an output end of the fourth driving portion 54 are used for controlling the operation of the lamp. In the actual use process, under the regulation and control effect of the first chip U1, the lamp plug is enabled to obtain stable voltage through the first driving part 51, the second driving part 52, the third driving part 53 or the fourth driving part 54, and the lighting lamp and/or the atmosphere lamp is electrically connected with the lamp plug, so that stable power supply of the lighting lamp and/or the atmosphere lamp is realized, and further stable dimming control effect is achieved.
For example, the first driving portion 51 includes a transistor Q801 and a field effect transistor Q802, the base electrode of the transistor Q801 is electrically connected to the pin 13 of the first chip U1 as the input end of the first driving portion 51, the emitter electrode of the transistor Q801 is grounded, the collector electrode of the transistor Q801 is electrically connected to the gate electrode of the field effect transistor Q802, the drain electrode of the field effect transistor Q802 is connected to a 12V voltage, and the source electrode of the field effect transistor Q802 is used as the output end of the first driving portion 51 to control the operation of the lamp. The triode Q801 is a current control element, and the current transmitted to the lighting lamp and/or the atmosphere lamp by the first chip U1 is amplified through the triode Q801, so that the lighting lamp and/or the atmosphere lamp can emit light normally; the field effect transistor Q802 is a voltage control element, and the voltage transmitted to the lighting lamp and/or the atmosphere lamp is stabilized through the field effect transistor Q802, so that the lighting stability of the lighting lamp and/or the atmosphere lamp is ensured.
As shown in fig. 3, in some embodiments, the first disinfection driving unit 2 includes an anion driving part 21 for controlling the operation of the anion generator and a fan driving part 22 for controlling the operation of the fan, the anion driving part 21 is electrically connected to the pins 17 and 21 of the first chip U1, and the fan driving part 22 is electrically connected to the pins 12, 29 and 51 of the first chip U1. Through setting up fan drive portion 22 to on being convenient for connect to the control unit 1 with the fan, adjust and control the anion generator who connects on fan and the anion drive portion 21 through the first chip U1 of control unit 1, so that the anion can carry out the quick diffusion through the fan, thereby improved indoor air purification efficiency greatly.
For example, the ion driving portion 21 includes a triode Q501, a field effect transistor Q502 and a plug O3, where a base electrode of the triode Q501 is electrically connected to the pin 17 of the first chip U1, an emitter electrode of the triode Q501 is grounded, a collector electrode of the triode Q501 is electrically connected to a gate electrode of the field effect transistor Q502, a drain electrode of the field effect transistor Q502 is connected to a voltage of 12V, a source electrode of the field effect transistor Q502 is electrically connected to the pin 1 of the plug O3, and the pin 1 of the plug O3 is electrically connected; the stable current and voltage are provided for the plug O3 through the triode Q501 and the field effect transistor Q502, so that the stable power supply of the negative ion generator is realized.
As shown in fig. 4, in some embodiments, the second disinfection driving unit 3 includes a second chip U2 and a field effect transistor Q701, the pin 1 and the pin 2 of the second chip U2 are electrically connected to the source of the field effect transistor Q701, the pin 3 of the second chip U2 is electrically connected to the gate of the field effect transistor Q701, and the pin 5 of the second chip U2 is electrically connected to the drain of the field effect transistor Q701; the pin 4 of the second chip U2 is electrically connected to the pin 16 of the first chip, and the drain of the fet Q701 is electrically connected to the pin 20 of the first chip. The second disinfection driving unit 3 is mainly composed of a high-frequency pulse width modulation boost voltage stabilizer, an inductor stores energy in pulse dead time, and a second chip U2 with the model of SY7711ABC is conducted to generate stable voltage, so that the voltage stabilizing work of the ultraviolet generator is realized.
As shown in fig. 5, in some embodiments, the voice control unit 4 includes a third chip U3, a fourth chip U4, and a fifth chip U5, the pin 16 of the third chip U3 is electrically connected to the pin 1 of the fourth chip U4, the pin 9, the pin 10, and the pin 11 of the third chip U3 are sequentially connected to the pin 9, the pin 10, and the pin 1 of the fifth chip U5, the pin 4 of the fourth chip is electrically connected to the pin 16 of the fifth chip U5, and the pin 14 and the pin 15 of the third chip U3 are respectively connected to the pin 62 and the pin 63 of the first chip. The voice control unit 4 adopts a neural network processor and a Bluetooth audio processor, the neural network processor comprises a third chip U3 with the model of SNR9912VR and a fourth chip U4 with the model of NS4165, the main frequency of the third chip U3 is up to 220MHz, decoding operation can be carried out on audio signals, DNN/TDNN/RNN and other neural networks and convolution calculation are supported, functions of voice recognition, voice enhancement, voice detection and the like are supported, the effect of playing voice while recognizing sound can be achieved through the cooperation of the third chip U3 and the fourth chip U4, the Bluetooth audio processor comprises a fifth chip U5 with the model of SNR6800B, the Bluetooth audio processor can bring completely independent communication links for audio equipment such as headphones, synchronous transmission of signals is achieved, and the advantages of low communication delay, low power consumption and the like are achieved.
As shown in fig. 7, in some embodiments, the control circuit of the air purifying apparatus further includes an air quality detecting unit 6, where the air quality detecting unit 6 is configured to obtain data of the air quality detector, and the air quality detecting unit 6 is electrically connected to the pin 32, the pin 33, the pin 47, the pin 48, and the pin 56 of the first chip U1. The air quality detector may be a PM2.5 sensor, and the PM2.5 sensor may be used to detect dust concentration in air, and the data of the PM2.5 sensor is acquired through the air quality detection unit 6, so that the air purification device achieves the function of air quality detection.
In some embodiments, the control circuit of the air purifying device further includes a temperature and humidity detecting unit 7, where the temperature and humidity detecting unit 7 is configured to obtain data of a temperature and humidity sensor, the temperature and humidity detecting unit 7 is electrically connected to the pin 10 and the pin 11 of the first chip U1, specifically, as shown in fig. 8, the temperature and humidity detecting unit 7 includes a plug TEMP for providing an interface for the temperature and humidity sensor, and the pin 1 and the pin 2 of the plug TEMP are electrically connected to the pin 11 and the pin 10 of the first chip U1 respectively. Temperature and humidity detection unit 7 is so that temperature and humidity sensor is assembled on control unit 1, temperature and humidity sensor is regulated and controlled through first chip U1 of control unit 1, temperature information and humidity information detected by temperature and humidity sensor are transmitted to corresponding display screen for displaying, and therefore the temperature and humidity acquisition function of air purification device is achieved.
As shown in fig. 9, in some embodiments, the control circuit of the air cleaning device further includes a clock unit 8, where the clock unit 8 is configured to enable the air cleaning device to be turned off or turned on at regular time, the clock unit 8 includes a sixth chip U6, and a pin 5, a pin 6, and a pin 7 of the sixth chip U6 are respectively connected with a pin 23, a pin 24, and a pin 25 of the first chip U1 correspondingly; the clock unit 8 is matched and connected with the first chip U1, so that various functions of the air purification device are closed or started at regular time; for example, the clock unit 8 can adjust the lamp driving unit 5 to be automatically started at night and automatically closed at daytime, so that the air purifying device is more intelligent and more convenient to use.
As shown in fig. 10, further, the control circuit of the air purifying device further includes a power connection unit 9, where the power connection unit 9 is configured to realize stable power supply of the air purifying device, the power connection unit 9 includes a seventh chip U7, and the pins 3 of the seventh chip U7 are electrically connected with the pins 1 of the first chip U1. The power receiving unit 9 adopts a seventh chip U7 with the model of XL1509 to realize high-current driving and small ripple coefficient, thereby providing stable power supply voltage for the air purifying device.
The technical scheme of the utility model also provides a PCB printed with the control circuit of the air purifying device.
In summary, the first disinfection driving unit 2 and the second disinfection driving unit 3 are arranged on the control unit 1, so that both the negative ion generator and the ultraviolet generator can be assembled on the air purification device, the air purification efficiency of the air purification device is improved, a traditional control circuit capable of only assembling a water mist sprayer is broken, discomfort to human bodies caused by overlarge indoor humidity due to water mist is avoided, physical and mental health of people is ensured, meanwhile, the light driving unit 5 is arranged on the control unit 1, so that the air purification device can realize the assembly of a lighting lamp, an atmosphere lamp and a mixed mode of the lighting lamp and the atmosphere lamp, and the voice control unit 4 is arranged on the control unit 1, so that the use function of the air purification device is enriched.
It will be understood that equivalents and modifications will occur to those skilled in the art based on the present utility model and its spirit, and all such modifications and substitutions are intended to be included within the scope of the present utility model.

Claims (10)

1. The control circuit of the air purification device is characterized in that a negative ion generator, an ultraviolet generator, a lighting lamp and/or an atmosphere lamp are arranged in the air purification device, the control circuit comprises a control unit, a first disinfection driving unit, a second disinfection driving unit, a voice control unit and a light driving unit, wherein the first disinfection driving unit, the second disinfection driving unit, the voice control unit and the light driving unit are respectively electrically connected with the control unit, the first disinfection driving unit is used for realizing the work control of the negative ion generator, the second disinfection driving unit is used for realizing the work control of the ultraviolet generator, the voice control unit is used for realizing the voice control of the air purification device, and the light driving unit is used for realizing the work control of the lighting lamp and/or the atmosphere lamp.
2. The control circuit of the air purifying device according to claim 1, wherein the control unit includes a first chip U1, the first disinfection driving unit is electrically connected to the pin 12, the pin 17, the pin 21, the pin 29 and the pin 51 of the first chip U1, the second disinfection driving unit is electrically connected to the pin 16 and the pin 20 of the first chip U1, the voice control unit is electrically connected to the pin 62 and the pin 63 of the first chip, and the light driving unit is electrically connected to the pin 13, the pin 26, the pin 27 and the pin 28 of the first chip U1.
3. The control circuit of the air cleaning apparatus according to claim 2, wherein the light driving unit includes a first driving part, a second driving part, a third driving part and a fourth driving part, the input end of the first driving part, the input end of the second driving part, the input end of the third driving part and the input end of the fourth driving part are respectively connected with the pin 13, the pin 26, the pin 27 and the pin 28 of the first chip U1 in sequence, and the output end of the first driving part, the output end of the second driving part, the output end of the third driving part and the output end of the fourth driving part are used for controlling the operation of the lighting lamp and/or the atmosphere lamp.
4. The control circuit of the air cleaning apparatus according to claim 2, wherein the first sterilizing driving unit includes a negative ion driving part for controlling the operation of the negative ion generator and a fan driving part for controlling the operation of the fan, the negative ion driving part is electrically connected with the pins 17 and 21 of the first chip U1, and the fan driving part is electrically connected with the pins 12, 29 and 51 of the first chip U1.
5. The control circuit of the air purifying device according to claim 2, wherein the second sterilizing driving unit includes a second chip U2 and a field effect transistor Q701, a pin 1 and a pin 2 of the second chip U2 are electrically connected to a source of the field effect transistor Q701, a pin 3 of the second chip U2 is electrically connected to a gate of the field effect transistor Q701, and a pin 5 of the second chip U2 is electrically connected to a drain of the field effect transistor Q701; the pin 4 of the second chip U2 is electrically connected to the pin 16 of the first chip, and the drain of the fet Q701 is electrically connected to the pin 20 of the first chip.
6. The control circuit of the air purifying device according to claim 2, wherein the voice control unit includes a third chip U3, a fourth chip U4 and a fifth chip U5, a pin 16 of the third chip U3 is electrically connected to a pin 1 of the fourth chip U4, a pin 9, a pin 10 and a pin 11 of the third chip U3 are sequentially and correspondingly connected to a pin 9, a pin 10 and a pin 1 of the fifth chip U5, a pin 4 of the fourth chip is electrically connected to a pin 16 of the fifth chip U5, and a pin 14 and a pin 15 of the third chip U3 are respectively and correspondingly connected to a pin 62 and a pin 63 of the first chip.
7. The control circuit of any one of claims 2-6, further comprising an air quality detection unit for acquiring data of an air quality detector, wherein the air quality detection unit is electrically connected to the pins 32, 33, 47, 48 and 56 of the first chip U1.
8. The control circuit of an air purifying device according to any one of claims 2 to 6, further comprising a temperature and humidity detecting unit, wherein the temperature and humidity detecting unit is configured to obtain data of a temperature and humidity sensor, and the temperature and humidity detecting unit is electrically connected to the pin 10 and the pin 11 of the first chip U1.
9. The control circuit of an air cleaning device according to any one of claims 2-6, further comprising a clock unit for implementing a timed shut-down or start-up of the air cleaning device, the clock unit comprising a sixth chip U6, the pins 5, 6 and 7 of the sixth chip U6 being respectively connected with the pins 23, 24 and 25 of the first chip U1;
and/or the control circuit of the air purification device further comprises an electricity connection unit, wherein the electricity connection unit is used for realizing stable power supply of the air purification device, the electricity connection unit comprises a seventh chip U7, and a pin 3 of the seventh chip U7 is electrically connected with a pin 1 of the first chip U1.
10. A PCB board on which a control circuit of an air cleaning device according to any one of claims 1-9 is printed.
CN202320629946.9U 2023-03-27 2023-03-27 Control circuit of air purification device and PCB thereof Active CN219995511U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320629946.9U CN219995511U (en) 2023-03-27 2023-03-27 Control circuit of air purification device and PCB thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320629946.9U CN219995511U (en) 2023-03-27 2023-03-27 Control circuit of air purification device and PCB thereof

Publications (1)

Publication Number Publication Date
CN219995511U true CN219995511U (en) 2023-11-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320629946.9U Active CN219995511U (en) 2023-03-27 2023-03-27 Control circuit of air purification device and PCB thereof

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CN (1) CN219995511U (en)

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