CN107940592B

CN107940592B - Household air biological purifier and control circuit and control method thereof

Info

Publication number: CN107940592B
Application number: CN201711117766.8A
Authority: CN
Inventors: 杨文涛; 汪扬
Original assignee: Guizhou Delaiyi Biotechnology Co ltd
Current assignee: Guizhou Delaiyi Biotechnology Co ltd
Priority date: 2017-11-13
Filing date: 2017-11-13
Publication date: 2020-11-10
Anticipated expiration: 2037-11-13
Also published as: CN107940592A

Abstract

The household air biological purifier comprises a shell, wherein a liquid storage tank and a circuit board are arranged in the shell; the upper surface of the liquid storage tank is provided with a mounting seat and an atomization generating device; shell one side is equipped with the shutter that is used for protecting the purifying bottle, is provided with flexible syringe needle on the mount pad, be provided with the transmission that the flexible syringe needle of control reciprocated between flexible syringe needle and the shutter, the guiding gutter UNICOM arrives the external world and is connected with the storage dirty case, and the shell bottom can be dismantled and be connected with the base, and the shell bottom is provided with and leads electrical pillar, leads electrical pillar and is connected with the circuit board power, and base internally mounted has rechargeable battery, still provides a domestic air biological purifier's control circuit to and make the domestic air biological purifier's that the solution atomization effect is more control method, the device and the work rhythm of clarifier have been optimized, make the clarifier more durable and the atomization effect better.

Description

Household air biological purifier and control circuit and control method thereof

Technical Field

The present invention relates to purifiers; in particular to a household air biological purifier and a control circuit and a control method thereof.

Background

In the production process of the fabric, in order to achieve the effects of crease resistance, shrink resistance, flame retardance and the like, or in order to keep the printing and dyeing durability, or in order to improve the hand feeling, formaldehyde needs to be added into an auxiliary agent. The formaldehyde printing and dyeing auxiliary is more commonly used for pure cotton textiles, and because the pure cotton textiles are easy to wrinkle, the use of the formaldehyde-containing auxiliary can improve the stiffness of the cotton cloth. The textile containing formaldehyde can gradually release free formaldehyde in the using process of people, the main harm of the formaldehyde is represented as stimulation to skin mucosa, and when the formaldehyde reaches a certain concentration indoors, people feel uncomfortable; greater than 0.08mg/m³The formaldehyde concentration can cause redness, itching, discomfort or pain in the throat, hoarseness, sneezing, chest distress, asthma, dermatitis, etc.; of course, other bacteria and viruses and dust are present in the household environment.

The current common mode for treating formaldehyde at home adopts active carbon or sprays air purification liquid to treat; the method of adopting the active carbon has longer treatment period, is not commonly used in the living household environment, and the prior bottled air purifying liquid has poor atomization effect, small use range and slight toxin to human body.

The method is characterized in that a microbial purification liquid mode is adopted to treat the water-soluble medicine, a better effect is achieved, but the treatment can be realized only by matching with an atomizer with a good atomization effect, then the purifier is adopted to atomize the medicine liquid by adopting an excitation mode at present, a vibration signal is mainly sent out by a driving circuit and transmitted to an ultrasonic wafer, the ultrasonic wafer converts electric energy into ultrasonic energy, the ultrasonic energy can atomize the water-soluble medicine into 1-5 um micro fog particles at normal temperature, the water-soluble medicine liquid is sprayed into fog by utilizing ultrasonic directional pressure, and the fog is diffused to an environment needing to be purified by means of wind power of an internal fan.

However, the existing atomization effect is not optimal, the main problems exist that the atomization time cannot be controlled, the atomizer needs a wired plug-in power supply for household use, the purified liquid is exposed to the outside, is extremely easy to be knocked over and damaged by children, and is not convenient to use, so that the problems are urgently needed to be solved.

Disclosure of Invention

The purpose of the invention is: the household air biological purifier is convenient to use and not easy to damage in a household environment, the control circuit of the household air biological purifier is further provided, and the control method of the household air biological purifier enables the solution atomization effect to be better.

In order to solve the problems that the household air biological purifier is convenient to use and easy to damage in a household environment, the invention provides the technical scheme that: the household air biological purifier comprises a shell, wherein a liquid storage tank and a circuit board are arranged in the shell; the upper surface of the liquid storage tank is provided with a mounting seat and an atomization generating device which are used for fixing the purifying bottle; a protective door used for protecting the purifying bottle is arranged on one side of the shell, a telescopic needle head is arranged on the mounting seat, a transmission device used for controlling the telescopic needle head to move up and down is arranged between the telescopic needle head and the protective door, the atomization generating device comprises an atomization rod and a nozzle, the atomization rod is provided with a siphon pipe in the middle, one end of the atomization rod is provided with a vibrating piece and is abutted against the siphon pipe, and one end of the siphon pipe extends into the liquid storage tank; the circuit board is provided with an ultrasonic wave generating circuit, and the ultrasonic wave generating circuit is used for driving the vibrating piece to vibrate; the equipartition has a plurality of 1 ~ 15 mu m's gas pocket on the vibrating piece, the nozzle is the infundibulate, and the nozzle top is provided with the dust screen, the dust screen below is provided with the guiding gutter of fixing in the nozzle, the guiding gutter UNICOM is to the external world and is connected with the dirty case of storage, the shell bottom can be dismantled and be connected with the base, and the shell bottom is provided with and leads electrical pillar, leads electrical pillar and is connected with the circuit board power, base internally mounted has rechargeable battery, and surface mounting has the electrically conductive groove that agrees with leading electrical pillar on the base, and electrically conductive groove is connected with rechargeable battery.

This domestic air biological purifier's advantage lies in: 1. a protective door for protecting the purifying bottle is arranged on one side of the mounting seat shell for fixing the purifying bottle on the upper surface of the liquid storage tank; therefore, the purifying bottle is placed inside, the purifying bottle cannot be accidentally damaged by members in a house, and the application reliability of the purifying bottle is guaranteed. 2. Be provided with flexible syringe needle on the mount pad, be provided with the transmission that the flexible syringe needle of control reciprocated between flexible syringe needle and the shutter, like this according to purifying the bottle, as long as transversely fix to just on the mount pad, promote the shutter at the back and just can realize that flexible syringe needle is connected to purifying the bottle, it is just very convenient to change purifying the bottle like this. 3. The circuit board is provided with an ultrasonic wave generating circuit, and the ultrasonic wave generating circuit is used for driving the vibrating piece to vibrate; a plurality of air holes with the diameter of 1-15 mu m are uniformly distributed on the vibrating piece, the liquid medicine is atomized by ultrasonic waves, and the atomized liquid medicine can be smaller than atomized particles sprayed by pressing, so that the microorganisms can cover a larger area. 4. The nozzle is funnel-shaped, the dust screen is arranged above the nozzle, the guide groove fixed in the nozzle is arranged below the dust screen, the guide groove is communicated with the outside and is connected with the dirt storage box, and by the arrangement of the structure, when the nozzle is not in a working state, a large object can be prevented from being damaged to the vibrating piece by the dust screen; simultaneously through the dust screen, combine guiding gutter and storage dirty case, can realize, to the dust screen self-cleaning, after the clarifier starts, if there is the dust granule on the dust screen, the spraying will condense on the dust screen, then drips the guiding gutter, keeps in storing up dirty case, realizes the self-protection. 5. Considering that the rechargeable battery is used indoors, the rechargeable battery is not fixed in position and can be transferred among a plurality of rooms, in order to achieve rapid use, the detachable rechargeable battery is installed at the bottom of the shell, when the rechargeable battery is inconvenient to connect, and meanwhile, the rechargeable battery can be temporarily used as a power source of other electrical equipment.

As a preferable scheme: a clamp used for clamping the purifying bottle is arranged in the shell; through the horizontal and vertical fixed of clamp to the purifying bottle, can improve the connection steadiness of purifying bottle and mount pad.

As a preferable scheme: the vibrating plate is provided with three layers, so that the full atomization of the liquid medicine can be improved through three-time atomization.

As a preferable scheme: the outer wall of the nozzle is provided with a clamping groove for clamping the sewage storage tank, and the outer wall of the sewage storage tank is provided with a clamping edge corresponding to the clamping groove; just so can also connect the dirty case of storage on whole clarifier, form a whole, be convenient for shift and unified management, the dirty case of storage can be dismantled simultaneously, regularly washs.

As a preferable scheme: the transmission device for controlling the telescopic needle head to move up and down comprises a push rod hinged on the inner side of the protective door, a sliding block connected to the outer wall of the liquid storage box in a sliding manner, a push sensor hinged with the sliding block, and a push rod hinged with the telescopic needle head; because whole equipment is domestic, should not realize damaging, it is necessary to reduce the part, and this scheme adopts simple link mechanism to realize the linkage, can improve the life of clarifier.

This scheme provides a domestic air biological purifier's control circuit, including controller, triode, starting switch and operation pilot lamp, starting switch connects the input at the controller, the output of controller includes atomizing output, operation instruction output and pause output, the pilot lamp is two emitting diode, and two emitting diode's output is connected respectively on operation instruction output and pause output, the input of triode is connected on atomizing output.

The working principle of the control circuit of the household air biological purifier is as follows: the control driving circuit is an automatic control circuit for sending out PWM waves, a controller is used as a core in the automatic control circuit, an operation program is set in the controller, so that a stable PWM signal is output by a signal output end of the controller, when a starting switch is closed, the controller obtains an indication command, a driving signal output end of the controller outputs a continuous PWM signal according to user requirements, and the continuous actual setting is carried out according to user requirements.

The vibrating plate in the atomization driving circuit is a piezoelectric ceramic plate which is used as a first working element to achieve the aim of atomizing liquid medicine, the fan driving triode is used as a switching device in the design of the atomization driving circuit, and when the PWM signal sent by the piezoelectric ceramic plate in the automatic control circuit is subjected to normal vibration, the driving frequency needs to be changed to directly define the frequency in a program during operation.

The control circuit of the household air biological purifier has the advantages that: 1. the drive circuit divides the frequency adjustment and the water mist amount adjustment into two parts for processing, and the vibration frequency of the piezoelectric ceramic is specially adjusted by an automatic control circuit of the controller, so that the output drive frequency is stable, and the frequency can be changed by modifying the program of the controller at any time. 2. The control driving circuit can complete the frequency control by using fewer switching devices, the scheme does not need to adopt a power regulating circuit, a frequency regulating circuit and a comparison circuit, the output frequency needs to be changed, the frequency needs to be changed only by inputting parameters in the controller, and thus, the number of electric elements used in the circuit is greatly reduced. Preferably, in order to prevent the signal at the output end from interfering with the output signal of the controller, an isolation circuit is connected between the signal output end of the controller and the triode. Through the isolating circuit, interference waves appearing on one side of the triode can be shielded, and damage to the controller caused by sudden rise of voltage on one side of the triode can be prevented.

And finally, the input end of the starting switch is connected with a high level by adopting a pull-up resistor, the output end of the starting switch is connected with a signal grounding end, and the starting input end of the controller is connected to one side of the input end of the starting switch. The function of the starting switch low-level trigger controller is formed in this way, and the function of protecting the controller is also achieved.

The scheme also provides a control method for driving the household air biological purifier, which comprises the following steps: starting the machine to work for twenty minutes, stopping the machine for ten minutes, then circularly and alternately working, and automatically shutting down the machine after seven hours. Multiple experiments prove that the liquid medicine can be fully atomized, the treatment effect is greatly enhanced, and the cost and the resources are greatly saved. The liquid mass can be reduced to 1-7 mu m at present. Compared with the prior work rhythm, the treatment effect is better, and the waste is reduced.

Drawings

FIG. 1 is a schematic view of a domestic air purifier according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the mist generating device of FIG. 1;

FIG. 3 is a circuit diagram of a domestic air biological purifier;

fig. 4 shows a voltage stabilizing circuit in a household air biological purifier.

Detailed Description

The technical scheme of the invention is further explained by combining the drawings and the embodiment as follows:

as shown in fig. 1 and fig. 2, the household air biological purifier comprises a housing 1, a liquid storage tank 16 and a circuit board are arranged inside the housing 1; the upper surface of the liquid storage tank 16 is provided with a mounting seat for fixing the purifying bottle 10 and an atomization generating device 12; a protective door 8 for protecting the purifying bottle 10 is arranged on one side of the shell 1, a buckle 18 is arranged on one side of the protective door 8, and a clamping groove matched with the buckle is arranged on the shell 1; a telescopic needle head 17 is arranged on the mounting seat, a transmission device 11 for controlling the telescopic needle head 17 to move up and down is arranged between the telescopic needle head 17 and the protective door 8, the atomization generating device 12 comprises an atomization rod and a nozzle 2, the atomization rod is provided with a siphon pipe in the middle, one end of the atomization rod is provided with a vibrating piece and is abutted against the siphon pipe, and one end of the siphon pipe extends into the liquid storage tank 16; the circuit board is provided with an ultrasonic wave generating circuit, and the ultrasonic wave generating circuit is used for driving the vibrating piece to vibrate; the equipartition has a plurality of 1 ~ 15 mu m's gas pocket on the vibrating piece, 7 mu m is selected to this embodiment, nozzle 2 is the infundibulate, 2 tops of nozzle are provided with the dust screen, the dust screen below is provided with the guiding gutter of fixing in the nozzle, the guiding gutter UNICOM is to the external world and is connected with storage

dirty case

5, 1 bottom of shell can be dismantled and is connected with

base

3, 1 bottom of shell is provided with and leads electrical pillar 13, it is connected with circuit board power to lead

electrical pillar

13, 3 internally mounted on the base has rechargeable battery, 3 upper surface of base installs the electrically conductive groove 14 who agrees with electrically conductive pillar 13, electrically conductive groove 14 is connected with rechargeable battery. A placing frame 4 is arranged below the base 3, so that the base is not in contact with the ground.

A clamp 9 for clamping the purifying bottle 10 is arranged in the shell 1; through the horizontal and vertical fixed of clamp to the purifying bottle, can improve the connection steadiness of purifying bottle and mount pad. The vibrating plate is provided with three layers, so that the full atomization of the liquid medicine can be improved through three times of atomization. The outer wall of the nozzle is provided with a clamping groove for clamping the sewage storage tank, and the outer wall of the sewage storage tank is provided with a clamping edge corresponding to the clamping groove; just so can also connect the dirty case of storage on whole clarifier, form a whole, be convenient for shift and unified management, the dirty case of storage can be dismantled simultaneously, regularly washs. The transmission device for controlling the telescopic needle head to move up and down comprises a push rod hinged on the inner side of the protective door, a slide block connected on the outer wall of the liquid storage tank in a sliding manner, a push sensor hinged with the slide block, a push rod hinged with the slide block, and a telescopic needle head hinged with the push rod; because whole equipment is domestic, should not realize damaging, it is necessary to reduce the part, and this scheme adopts simple link mechanism to realize the linkage, can improve the life of clarifier.

As shown in fig. 3 and 4: control circuit of domestic air biological cleaner, which comprises a controller, triode Q1, starting switch S1 and operation pilot lamp, starting switch S1 is connected at the input of controller, the output of controller includes the atomizing output, operation instruction output and pause output, the pilot lamp is two emitting diode D1/D2, the output of two emitting diode D1/D2 is connected respectively on operation instruction output and pause output, the input of triode Q1 is connected on the atomizing output.

In order to stabilize the signal stability of the whole control circuit, the voltage stabilizing circuit in fig. 4 includes a voltage stabilizing chip, the output end of the voltage stabilizing chip is connected with a fan motor M for diffusing the purified liquid, and the fan motor is uniformly controlled by a start switch S1. Domestic air biological purifier 'S circuit, which comprises a controller, the input of controller is including start input and clock circuit input, start input is connected with starting switch S1, signal amplification circuit includes a triode Q1, triode Q1' S base is connected with controller signal output part, be connected with isolation photodiode between the signal output part of controller and the triode, the signal output part of controller is connected at the low level trigger end of isolating photodiode U3, triode Q1 'S projecting pole links to each other with signal connector J2, power input connector J1 links to each other is connected to triode Q1' S collecting electrode.

The emitting electrode of the triode Q1 is connected with a driving power supply, the indicator light is two light emitting diodes D1/D2, the input ends of the two light emitting diodes D1/D2 are connected with a high level, and the output ends of the two light emitting diodes D1/D2 are respectively connected with a start indication output end and a pause output end.

The input end of the starting switch S1 is connected with high level by a pull-up resistor R1, the output end is connected with a signal grounding end, and the starting input end of the controller is connected with one side of the input end of the starting switch S1. This configuration of the start switch S1 triggers the controller at a low level, which also functions as a protection controller.

When the purifier is used, a +5V voltage is applied to a collector of the triode Q1, an emitter of the triode Q1 is connected with the purifier, when solutions of the purifier are prepared, a starting program is written into the controller U1, the purifier can work in a working mode of starting up for twenty minutes and stopping for ten minutes, then the purifier works in a circulating and alternating mode, the purifier is automatically shut down after seven hours, parameters are changed in the program, and the excitation frequency of the driving circuit is changed, so that the atomized molecules are adjusted. If the air is used for purifying the liquid medicine in the purifier, the purifier can be used in the environment needing purification.

What has been described above is merely a preferred embodiment of the present invention. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect and practicality of the implementation of the present invention.

Claims

1. The household air biological purifier comprises a shell, wherein a liquid storage tank and a circuit board are arranged in the shell; the method is characterized in that: the upper surface of the liquid storage tank is provided with a mounting seat and an atomization generating device which are used for fixing the purifying bottle; a protective door used for protecting the purifying bottle is arranged on one side of the shell, a telescopic needle head is arranged on the mounting seat, a transmission device used for controlling the telescopic needle head to move up and down is arranged between the telescopic needle head and the protective door, the atomization generating device comprises an atomization rod and a nozzle, the atomization rod is provided with a siphon pipe in the middle, one end of the atomization rod is provided with a vibrating piece and is abutted against the siphon pipe, and one end of the siphon pipe extends into the liquid storage tank; the circuit board is provided with an ultrasonic wave generating circuit, and the ultrasonic wave generating circuit is used for driving the vibrating reed to vibrate; the equipartition has a plurality of 1 ~ 15 mu m's gas pocket on the vibrating piece, the nozzle is the infundibulate, and the nozzle top is provided with the dust screen, the dust screen below is provided with the guiding gutter of fixing in the nozzle, the guiding gutter UNICOM is to the external world and is connected with the dirty case of storage, the shell bottom can be dismantled and be connected with the base, and the shell bottom is provided with and leads electrical pillar, leads electrical pillar and is connected with the circuit board power, base internally mounted has rechargeable battery, and surface mounting has the electrically conductive groove that agrees with leading electrical pillar on the base, and electrically conductive groove is connected with rechargeable battery.

2. The household air biological purifier according to claim 1, characterized in that: the shell is internally provided with a clamp for clamping the purifying bottle.

3. The household air biological purifier according to claim 1, characterized in that: the vibrating plate is provided with three layers.

4. A domestic air biological cleaner according to claim 1 or 2, wherein: the nozzle outer wall is provided with the joint groove that is used for the joint to store up dirty case, it is provided with the card arris that corresponds with the joint groove to store up dirty incasement wall.

5. The household air biological purifier according to claim 3, characterized in that: the transmission device for controlling the telescopic needle head to move up and down comprises a push rod hinged on the inner side of the protective door and a sliding block connected to the outer wall of the liquid storage box in a sliding mode, wherein the push rod is hinged to the sliding block, the sliding block is further hinged to a push rod, and the push rod is hinged to the telescopic needle head.

6. The control circuit of the household air biological purifier as claimed in any one of claims 1 to 5, comprising a controller, a triode, a start switch and an operation indicator light, wherein the start switch is connected to an input end of the controller, an output end of the controller comprises an atomization output end, an operation indication output end and a pause output end, the indicator light comprises two light emitting diodes, output ends of the two light emitting diodes are respectively connected to the operation indication output end and the pause output end, and an input end of the triode is connected to the atomization output end.

7. The control circuit of a home air bio-cleaner according to claim 6, wherein: and an isolating circuit is connected between the signal output end of the controller and the triode.

8. The control circuit of a home air bio-cleaner according to claim 7, wherein: the input end of the starting switch is connected with a high level through a pull-up resistor, the output end of the starting switch is grounded, and the starting input end of the controller is connected to one side of the input end of the starting switch.

9. A control method for driving the home air bio-cleaner of any one of claims 1 to 5, comprising: starting the machine to work for twenty minutes, stopping the machine for ten minutes, then circularly and alternately working, and automatically shutting down the machine after seven hours.