CN209910077U

CN209910077U - Indoor air purification and filtration and outdoor air exchange system

Info

Publication number: CN209910077U
Application number: CN201920807785.1U
Authority: CN
Inventors: 邱瑶; 李婉宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-01-07
Anticipated expiration: 2029-05-30

Abstract

An indoor air purification filtration and outdoor air exchange system comprising: a housing having an inlet end and an outlet end, with a first filter assembly disposed therein; the fan is arranged at the inlet end; the gas purification auxiliary treatment component comprises an ultraviolet lamp tube, a titanium dioxide filter screen and an anion generator; the detection system comprises a control module with control capability, and a particulate matter sensor, a formaldehyde sensor, a sulfur dioxide sensor, a nitrogen oxide sensor and a volatile organic compound sensor which are connected with the control module through signals. The utility model discloses but real-time supervision air quality initiative carries out the air replacement with external environment, and its purification performance is comprehensive: the physical pollution (PM2.5, automobile exhaust pollution), the chemical pollution (formaldehyde, benzene, TVOC and odor pollution) and the biological pollution (bacteria and mould) in the air can be purified by a mechanical method (filtration) and a physical method (negative ions, photocatalytic purification and ultraviolet sterilization).

Description

Indoor air purification and filtration and outdoor air exchange system

Technical Field

The embodiment of the utility model provides an air purification equipment technical field, concretely relates to indoor air purification filters and outdoor air exchange system.

Background

In recent years, in Beijing jin Ji and peripheral areas, the middle and western areas and the northeast areas of China, large-area dust haze (PM2.5) pollution continuously occurs, the air quality of part of cities is continuously at a level higher than that of severe pollution, and the air pollution becomes one of the greatest hazards affecting the health of human beings. Research shows that the pollution in the indoor room is 25% -60% higher than that in the outdoor room most of the time, and 80% -90% of the life time of people is spent indoors, so that the indoor air quality directly influences the health of people. In order to improve indoor air quality, indoor air purification technology has been widely used worldwide.

At present, the indoor air purification method mainly comprises three modes of ventilation purification, plant purification and indoor air purifier purification. The ventilation purification means that a door or a window is opened or a fresh air system is used for introducing outdoor air into a room, and outdoor air is directly introduced into the room due to large indoor and outdoor temperature difference, so that the energy consumption of an indoor air conditioning system is increased, even the mass concentration of indoor pollutants is increased, and the quality of indoor air is reduced. Plant purification means that the potted plant with purification ability is put in the room, and plant purification only plays a role to specific pollutant, and the adsorption efficiency is limited, can not effectively get rid of indoor volatile organic compounds (TVOC). The indoor air purifier is used for purifying indoor air, and compared with the two purification methods, the indoor air purifier is the most effective method for improving indoor air quality.

Indoor air purifier can effectively get rid of organic pollutants such as particulate matter impurity, microorganism and TVOC of suspension in the room air. Although the air purifier can improve the indoor air quality, the traditional air purifier has the problems of single function, poor purification effect and the like.

SUMMERY OF THE UTILITY MODEL

In summary, how to provide a novel air purification device capable of comprehensively treating indoor ambient air becomes a problem to be urgently solved by the technical personnel in the field.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

the utility model provides an indoor air purification filters and outdoor air exchange system, this indoor air purification filters and outdoor air exchange system includes:

the device comprises a shell, a first filter assembly, a second filter assembly and a third filter assembly, wherein one end of the shell is an inlet end, the other end of the shell is an outlet end, the inlet end is provided with an air inlet, the outlet end is provided with an air outlet, the shell is internally provided with a first filter assembly with partition and primary purification functions, the first filter assembly is arranged in the shell and divides the shell into a detection chamber and a purification treatment chamber, the detection chamber is communicated with the inlet end, and the purification treatment chamber is communicated with the outlet end;

the fan is arranged at the inlet end and used for blowing air into the detection chamber;

the gas purification auxiliary treatment assembly is arranged in the purification treatment chamber and comprises an ultraviolet lamp tube, a titanium dioxide filter screen and an anion generator which are sequentially arranged along the direction of the first filter assembly pointing to the outlet end;

the second filtering component is arranged on the air outlet;

detecting system, detecting system including the control module group that has the controllability, with control module group signal connection has particulate matter sensor, formaldehyde sensor, sulfur dioxide sensor, nitrogen oxide sensor, volatile organic compounds sensor, particulate matter sensor the formaldehyde sensor sulfur dioxide sensor nitrogen oxide sensor and volatile organic compounds sensor set up in detect indoor.

Preferably, the air inlet is provided with two air inlets, wherein one air inlet is a first air inlet for introducing outdoor air flow, and the other air inlet is a second air inlet for introducing indoor air flow; and the first air inlet is connected with an induced draft pipe.

Preferably, the particle sensors are laser particle sensors, two particle sensors are arranged, one particle sensor, the sulfur dioxide sensor and the nitrogen oxide sensor form a first sensor group, and the other particle sensor, the formaldehyde sensor and the volatile organic compound sensor form a second sensor group; the first sensor group faces the first air inlet in the detection chamber, and the second sensor group faces the second air inlet in the detection chamber.

Preferably, two wind collecting plates are arranged in the purification treatment chamber, and the two wind collecting plates are oppositely arranged and form a ventilation channel with opening areas at two ends larger than the area of the cross section of the middle part of the ventilation channel; the ultraviolet lamp tube, the titanium dioxide filter screen and the negative ion generator are sequentially arranged in the ventilation channel.

Preferably, the ultraviolet lamp tubes are arranged in two groups, and the two groups of ultraviolet lamp tubes are symmetrically arranged on the two wind collecting plates respectively.

Preferably, in be provided with the mounting bracket in the detection room, particulate matter sensor formaldehyde sensor sulfur dioxide sensor nitrogen oxide sensor and volatile organic compounds sensor set up in on the mounting bracket.

Preferably, the first filter assembly comprises a HEPA screen folded into a grid disposed within the housing.

Preferably, the second filter assembly is an ozone filter screen.

Preferably, a power supply system for providing electric energy is arranged in the shell, the power supply system comprises a power plug connected with mains supply, a voltage transformation and stabilization component is connected with the power plug, and the voltage transformation and stabilization component is connected with the electric element of the utility model through an electric wire; the solar panel is electrically connected with the voltage transformation and stabilization component through a DC/AC inverter.

Preferably, an air inlet grille used for adjusting the air inlet amount is arranged on the air inlet; an air outlet grid used for adjusting the air output is arranged on the air outlet.

Through the structure design, the utility model has the advantages of as follows:

(1) the air replacement is carried out with external environment to real-time supervision air quality initiative, the utility model discloses not only can purify indoor air poor, can also constantly exchange room air and outdoor fresh air when outdoor air is high-quality, realize the circulation of air, more be favorable to healthily, the utility model discloses can also carry out dynamic processing, real-time detection air quality to the data that the sensor gathered.

(2) The purification function is comprehensive: the air purifier can simultaneously purify physical pollution (PM2.5, automobile exhaust pollution), chemical pollution (formaldehyde, benzene, TVOC and odor pollution) and biological pollution (bacteria and mould) in the air by utilizing a mechanical method (filtration) and a physical method (negative ions, photocatalytic purification and ultraviolet sterilization).

(3) High purification efficiency and small equipment volume: the most popular HEPA filter screen on the market is adopted, the purification efficiency is higher than that of the common filter screen, and the purification modules such as photocatalyst, negative ion generator, ozone filter screen and the like are matched, so that the purification efficiency is obviously improved; and the outdoor exchange module is added, so that the indoor air fluidity is increased, and the purification efficiency can be improved.

(4) The operation and maintenance cost, the noise is low, and the energy consumption is low: the core component of the equipment is not easy to damage and has lower cost, and various filter screens are convenient to install and replace, so that the equipment has low operation and maintenance cost. And a low-noise outer rotor pipeline fan is adopted, so that the noise is low. The solar energy and the commercial power are mixed, so that the energy consumption is greatly reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

FIG. 1 is a schematic diagram of an indoor air purifying and filtering and outdoor air exchanging system according to an embodiment of the present invention;

in fig. 1, the correspondence between the component names and the reference numerals is:

casing 1, first filter assembly 2, fan 3, ultraviolet tube 4, titanium dioxide filter screen 5, anion generator 6, second filter assembly 7, particulate matter sensor 8, formaldehyde sensor 9, sulfur dioxide sensor 10, nitrogen oxide sensor 11, volatile organic compounds sensor 12, wind-collecting plate 13.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 1 is a schematic diagram of an indoor air purifying and filtering and outdoor air exchanging system according to an embodiment of the present invention.

The utility model aims at the problem of the function singleness that the clarifier exists among the prior art, a special design indoor air purification filtration and outdoor air exchange system based on threshold value algorithm, this system detects room air and outdoor air quality through setting up multiple air quality sensor, start or the bring to rest through calculating comprehensive pollution threshold value control air purifier to actual condition that can real-time supervision room air carries out intelligent purification and exchange, has solved prior art well room air purification device's not enough.

In particular, the amount of the solvent to be used,

the utility model provides an indoor air purification filters and outdoor air exchange system for indoor gaseous circulation filtration purifies and carries out filtration purification to the air of outdoor introduction.

The utility model discloses in, this indoor air purification filtration and outdoor air exchange system includes:

1. shell body

The housing 1 is preferably made of a plastic material, and has a rectangular parallelepiped structure as a whole or other aesthetic shapes.

In an embodiment of the present invention, one end (front end) of the casing 1 is an inlet end, the other end (rear end) of the casing 1 is an outlet end, the inlet end is provided with an air inlet, and the outlet end is provided with an air outlet.

Specifically, two air inlets are formed in the air inlet, one air inlet is a first air inlet used for introducing outdoor air flow, the other air inlet is a second air inlet used for introducing indoor air flow, and an air guide pipe is connected to the first air inlet.

The utility model discloses it is mainly indoor being used for carrying out the loop filter purification to the room air to place, of course, the utility model discloses still have the function that outdoor gas introduced, consequently, the utility model discloses set up the induced duct, introduce outdoor gas and process through the induced duct the utility model discloses realize purification treatment.

The utility model discloses set up a first filtering component 2 that has wall, elementary purification performance in casing 1, first filtering component 2 sets up in casing 1 and divide into casing 1 and detects room and purification treatment room, detects the air intake intercommunication of room and entrance point, the air outlet intercommunication of purification treatment room and exit end.

Specifically, the first filter assembly 2 includes a HEPA filter folded into a grid and disposed in the housing 1. In other embodiments of the present invention, the first filtering component 2 can also be an activated carbon filtering device.

Specifically, an air inlet grille used for adjusting the air inlet amount is arranged on the air inlet; an air outlet grid used for adjusting the air output is arranged on the air outlet. Set up air-inlet grille and air-out grille, it not only can avoid the outside large-scale foreign matter of casing 1 to enter into casing 1 in, can also finely tune intake and air output.

2. Fan blower

The blower 3 is provided at the inlet end for blowing air into the detection chamber.

The fan 3 is provided with two: one of the first air inlet is used for being installed on the first air inlet, and has the function of accelerating the introduction of outdoor air when in operation, and has the function of blocking the introduction of outdoor air when in stop operation; wherein on another installation second air intake, it has when the operation and accelerates indoor air and is in the utility model discloses the function of well circulation, when its shut down operation, it has and cuts off indoor gas and is in the utility model discloses the effect of well circulation. Through the difference control to two fans 3, can make the utility model discloses have and introduce outdoor air operation alone, perhaps carry out indoor gas circulation purification operation alone, perhaps above-mentioned two kinds of operation modes carry out three kinds of operation modes simultaneously.

The utility model discloses in, fan 3 is preferred mute type frequency conversion fan, and the noise is low when its operation to easily control.

3. Gas purification auxiliary treatment assembly

The gas purification auxiliary processing component is arranged in the purification processing chamber, comprises an ultraviolet lamp tube 4, a titanium dioxide filter screen 5 and a negative ion generator 6, and is sequentially arranged along the direction of the first filtering component 2 pointing to the outlet end, the ultraviolet lamp tube 4, the titanium dioxide filter screen 5 and the negative ion generator 6;

and the second filtering component 7 is arranged on the air outlet, and the second filtering component 7 is arranged on the air outlet.

In one embodiment of the present invention, two wind-collecting plates 13 are disposed in the purification treatment chamber, and two wind-collecting plates 13 are disposed opposite to each other and form a ventilation channel having an opening area at both ends larger than the cross-sectional area of the middle portion thereof;

the ultraviolet lamp tube 4, the titanium dioxide filter screen 5 and the negative ion generator 6 are arranged in the ventilation channel in sequence. In addition, two groups of ultraviolet lamp tubes 4 are arranged, and the two groups of ultraviolet lamp tubes 4 are symmetrically arranged on the two wind collecting plates 13.

The structure of the wind-collecting plate 13 is as follows: including middle passageway board, be provided with the opening board at the both ends of middle passageway board, two opening boards set up towards the lateral surface slope of middle passageway board, and the contained angle between two opening boards and the middle passageway board is obtuse angle and contained angle the same. The number of the wind collecting plates 13 is two, and the two wind collecting plates 13 are arranged oppositely, that is, the inner side surfaces of the two middle channel plates are arranged oppositely. Set up the aerofoil 13 in casing 1 and can lead to the air current of casing 1 of flowing through, the clearance of passing through that forms between two middle channel boards is comparatively narrow, sets up gaseous purification auxiliary treatment subassembly in this passageway or the regional of being close to this passageway, can improve the purifying effect of gaseous purification auxiliary treatment subassembly to the air current.

In the utility model, the second filtering component 7 is an ozone filtering net. The second filter assembly 7 may also employ an activated carbon filter element.

4. Detection system

Detecting system does the utility model discloses carry out the system that detects to untreated gas, it is right according to the measured data the utility model discloses an operating condition carries out intelligent control.

Specifically, detecting system is including the control module group that has the controllability, has particulate matter sensor 8, formaldehyde sensor 9, sulfur dioxide sensor 10, nitrogen oxide sensor 11, volatile organic compounds sensor 12 with control module group signal connection, and particulate matter sensor 8, formaldehyde sensor 9, sulfur dioxide sensor 10, nitrogen oxide sensor 11 and volatile organic compounds sensor 12 set up in detecting indoor.

Because outdoor environment gas has great difference with indoor environment gas's pollutant composition, consequently, the utility model discloses the optimal design has been carried out to the overall arrangement of sensor: in the utility model, the particle sensor 8 is a laser particle sensor 8, the particle sensors 8 are two, one particle sensor 8, a sulfur dioxide sensor 10 and a nitrogen oxide sensor 11 form a first sensor group, and the other particle sensor 8, a formaldehyde sensor 9 and a volatile organic compound sensor 12 form a second sensor group; the first sensor group is arranged in the detection chamber towards the first air inlet, and the second sensor group is arranged in the detection chamber towards the second air inlet.

Specifically, be provided with the mounting bracket in the detection room, particulate matter sensor 8, formaldehyde sensor 9, sulfur dioxide sensor 10, nitrogen oxide sensor 11 and volatile organic compounds sensor 12 set up on the mounting bracket.

5. Power supply system

The power supply system does the utility model discloses in be used for providing the energy system of electric energy.

Specifically, the power supply system comprises a power plug connected with the mains supply, and a voltage transformation and stabilization component is connected with the power plug and is connected with the power utilization element in the utility model through an electric wire; the solar panel is electrically connected with the voltage transformation and stabilization component through the DC/AC inverter.

Above-mentioned structural design can make the utility model discloses have two kinds of power supply modes of commercial power supply, solar energy power supply.

The technical points of the utility model are as follows:

is provided with an anion generator 6: the anion generator 6 is a device that generates a large amount of air anions. A large dose of negative ions is generated by the negative ion generator 6 and enters the inside of the negative ion converter. The inside of the converter is provided with the dielectric pumice, the humidity inside the dielectric pumice is controlled, a large amount of irregular capacitance is formed, and after a large amount of negative ions enter the converter, the negative ions continuously rub and collide inside the converter, so that the pulse energy of the negative ions is improved, and the negative ions are converted into high-activity small ions. Finally reaches the releasing end through the ion receiving tube. The strong electrostatic field ionizes molecules in the air from electrons, combines with oxygen molecules in the air to form negative oxygen ions, can combine with pathogenic bacteria cells in the air, and leads the internal energy transfer and the structure change of the cells to die. And benzene, toluene, formaldehyde, smoke, dust, pollen and the like floating in the air are sucked into the particles to be gathered and naturally settled, thereby achieving the aim of purification.

The design of the solar power generation and commercial power supply hybrid energy comprises the following steps: because solar energy generated energy is not enough, the utility model discloses integrate solar energy power generation and mains supply, the system becomes the direct current with 220V alternating current commercial power commentaries on classics after the rectification, and is directly parallelly connected with grid-connected power supply system. The solar controller is matched with each solar battery module in a standard mode, so that the maximum power point of each solar battery panel can be tracked, and the alternating current mains supply rectification circuit comprises an active PFC circuit.

Designing a communication system: the pollutant sensor converts the detected gas/particle concentration value into a digital signal through an A/D sampling circuit, and sends the digital signal to the data processing part through the RS485 communication module for processing. The pollutant sensor converts the concentration value of the detected gas/particles into a digital quantity signal through the A/D sampling circuit, sends the digital quantity signal to the data processing part through the RS485 communication module for processing, and can intelligently control the opening and closing of the indoor purification and outdoor exchange module through the comparison calculation with related threshold values.

(3) High purification efficiency and small equipment volume: the most popular HEPA filter screen on the market is adopted, the purification efficiency is higher than that of the common filter screen, and the purification modules such as photocatalyst, negative ion generator 6, ozone filter screen and the like are matched, so that the purification efficiency is obviously improved; and the outdoor exchange module is added, so that the indoor air fluidity is increased, and the purification efficiency can be improved.

(4) The operation and maintenance cost, the noise is low, and the energy consumption is low: the core component of the equipment is not easy to damage and has lower cost, and various filter screens are convenient to install and replace, so that the equipment has low operation and maintenance cost. And a low-noise outer rotor pipeline fan 3 is adopted, so that the noise is low. The solar energy and the commercial power are mixed, so that the energy consumption is greatly reduced.

The utility model discloses an in the system configuration, as follows to the hardware design:

1. for sensor module part

1a, indoor part

Aiming at that indoor air pollutants are mainly formaldehyde, inhalable particles (PM10 and PM2.5), volatile organic compounds (TVOC) and the like, three sensors, namely a formaldehyde sensor 9, a laser particle sensor 8 and a volatile organic compound sensor 12, are installed in an air inlet leading to the indoor, and whether the indoor air quality reaches the pollution level is monitored at any time so that equipment can purify the indoor air pollutants in time.

(1) Formaldehyde sensor

By adopting the ZE08-CH2O type formaldehyde sensor module, the device has the characteristics of high sensitivity, high resolution (the resolution is less than 0.01ppm), low power consumption, long service life and the like, and can meet the requirement of monitoring indoor formaldehyde gas.

(2) Laser particle sensor

The SDS011 laser particle sensor with accurate data, quick response, convenient integration and high resolution is adopted, particles with the minimum diameter of 0.3 micron can be distinguished, and the requirement of particle monitoring can be completely met.

(3) Volatile organic compound sensor

The MS-1100 type gas sensor is suitable for monitoring various organic volatile components such as benzene, methylbenzene and dimethylbenzene in the air, the sensitivity is higher than 3%, indoor TVOC gas can be timely and accurately monitored in real time, and the harm to indoor human safety is prevented.

1b, outdoor part

As outdoor air pollutants mainly include: dust (inhalable particles), sulfur dioxide, oxynitride, ozone and the like are also provided with a laser particle sensor 8, a sulfur dioxide sensor 10 and a nitrogen oxide sensor 11 in an air inlet leading to the outside.

(1) Sulfur dioxide sensor

The sulfur dioxide sensor of 4SO2-2000 type is adopted to carry out accurate detection on the sulfur dioxide in the outdoor air, SO that the quality of the exchanged air is ensured to be good.

(2) Nitrogen oxide sensor

The content of nitrogen oxides in the sucked outdoor air is detected by using the current type NOx sensor, and the data of the equipment is conveniently and quickly provided, so that the air exchange is safer and more effective.

2. For gas purification section

(1) Filtration technology

The filtration technology is the most mainstream purification means at present, and the main purification objects are particulate matters in the air. The utility model discloses a HEPA filter screen, HEPA are the internationally recognized high-efficient filter media, generally adopt multicomponent glass fiber to make, and the aperture is small, and adsorption capacity is big, and purification efficiency is high. The HEPA material has strong capture capacity on particles, and can effectively filter inhalable particles, smoke, bacteria and the like with the particle size of more than 0.3 mu m.

(2) Anion technology

The anion technology is that high voltage is applied to generate anions which are attached to solid phase or liquid phase pollutant particles by virtue of condensation and adsorption to form large particles which are settled down. The negative ions in the air can not only make the air fresh, but also sterilize and eliminate peculiar smell.

(3) Photocatalytic purification technology

Under the irradiation of ultraviolet ray, valence band electrons are excited by light and jump to the conducting band to form photon-generated electrons and photon-generated holes, which react with water and oxygen in air to generate several active radicals to oxidize organic pollutant and bacteria in air. According to the relevant test, TiO₂The removal rate of the filter screen to bacteria in the air reaches 84.8 percent, the removal rate of formaldehyde reaches 73.9 percent, and the removal rate of ammonia reaches 61 percent. It does not solve the problem of suspended matter and fine particles in the indoor air.

(4) Ultraviolet sterilization technology

The ultraviolet sterilization and disinfection is to use ultraviolet with proper wavelength to destroy the molecular structure of DNA (deoxyribonucleic acid) or RNA (ribonucleic acid) in the cells of the microorganism body, so as to cause the death of growing cells and/or regenerative cells, thereby achieving the effect of sterilization and disinfection. The ultraviolet disinfection technology is based on modern epidemic prevention science, medicine and photodynamics, and utilizes specially designed UVC wave band ultraviolet light with high efficiency, high intensity and long service life to irradiate flowing water so as to directly kill various bacteria, viruses, parasites, algae and other pathogens in the water.

3. Internet of things control part

The terminal of the Internet of things is a device which is connected with a sensing network layer and a transmission network layer in the Internet of things and realizes data acquisition and data transmission to the network layer. It is responsible for data acquisition, preliminary processing, encryption, transmission and other functions. Various terminal devices of the internet of things can be generally divided into a context awareness layer, a network access layer, a network control layer and an application/service layer. Each layer has a corresponding relationship with the control device on the network side. The terminal of the internet of things is often in various heterogeneous network environments, and in order to provide the best use experience for the user, the terminal should have the capability of sensing scene changes, and based on the capability, the optimal service channel is selected for the user through optimization judgment. The terminal equipment senses the change of the environment through an RF module or a sensor module and the like at the front end, and decides the response measures required to be taken through calculation.

4. Solar energy power supply part

The solar power supply part consists of a solar cell module, a solar controller, a follow-up cradle head, an energy storage device, an electric energy conversion device and an LED display module. The solar cell module is the most important part of the whole solar power supply module, and the energy of solar radiation is collected by the solar cell module and is used as part of the power source of the air purifier.

The solar controller is composed of a single chip microcomputer, a voltage stabilizing module and a charging module, the voltage generated by the solar battery assembly is judged through the single chip microcomputer, then the single chip microcomputer controls the voltage stabilizing module to process the generated voltage, the generated voltage is converted into stable low-voltage direct current output, and related data are displayed through the LED displayer and are convenient to manage.

The follow-up cradle head is composed of a light sensing module, a single chip microcomputer and a two-axis cradle head, the light sensing module transmits collected light intensity signals to the single chip microcomputer, whether the light signals collected by photosensitive elements at different positions are the same or not is judged, the cradle head steering engine is controlled to move until the light intensity signals collected by the photosensitive elements are the same, and efficient utilization of solar energy is achieved.

The energy storage device is composed of a high-capacity 18650 battery pack and a charging module, the 18650 battery pack is small in size, high in capacity, safe, low in price, capable of meeting the requirement of cost performance of a user, and capable of meeting continuous work of the air purifier under the condition that a relatively long section of the air purifier is not connected with a power supply; the charging module detects data such as electric quantity of the battery pack in real time, and the battery pack is guaranteed to be in a stable working state.

The electric energy conversion device is composed of a DC-DC/DC-AC inverter, converts direct-current voltage generated by the controller into high-voltage direct-current or pure sine alternating current, has better compatibility aiming at different conditions, and displays corresponding data through the LED display, thereby being convenient for users to use.

5. Air purifying and exchanging part

The air exchange purification module is divided into an indoor part and an outdoor part. The outdoor part is ventilated to exchange gas, the indoor part purifies air, and the two parts are carried out simultaneously, so that the air replacement speed can be improved, and the indoor air can be ensured to be updated constantly.

The utility model provides an air purification system has formulated two kinds of completely different outdoor exchanges and indoor purification working methods to the air characteristics of two kinds of indoor outdoor differences very much according to contemporary air pollution characteristics to make both divide work, can improve the speed that the air was changed, can guarantee again that the room air is updated constantly. The main pollutant content of the outdoor air is detected by an outdoor sensor (a laser particulate matter sensor 8, a sulfur dioxide sensor 10 and a nitrogen oxide sensor 11), and a threshold value is set. If the detection index exceeds the threshold value, determining that outdoor air is seriously polluted, and closing an outdoor fan to prevent air from entering the room; if the detection index is smaller than the threshold value, the outdoor air is determined to be healthy, the outdoor side fan is started, and the purification and ventilation are continued. The outdoor air exchange module can prevent air exchange when outdoor air is seriously polluted, threatens and damages a human body, can ensure continuous air exchange when outdoor air is healthy, improves the air purification exchange rate, and solves the problems of small purification amount and low rate of the modern air purifier. If the detection value exceeds the threshold value, determining that the indoor air is seriously polluted and needs to be purified, opening an indoor side fan, and purifying the indoor air until the indoor air detection index meets the standard; if the detection value is smaller than the threshold value, the indoor air is determined to be healthy, the indoor side fan does not need to be started for purification, and energy is saved. The indoor purification module aims to detect main indoor pollutants and purify the part of the pollutants exceeding a threshold value until the pollutants meet the standard, and then the indoor purification module stops working continuously. Therefore, the low content of indoor specific pollutants can be ensured, and energy can be saved.

The utility model provides an indoor air purification filters and outdoor air exchange system, when realizing intelligent air purification exchange function, at first needs to judge indoor, outdoor fan switching condition in real time. A more scientific threshold algorithm for integrating an air quality index and an environmental pollution index is designed to reasonably judge whether indoor and outdoor fans are to be turned on and off. The concentration of indoor air and outdoor air pollutants is monitored in real time by setting various air quality sensors to acquire data and carrying out dynamic analysis and processing, then a comprehensive air quality index value is calculated according to a designed comprehensive air quality index and environmental pollution index algorithm and is compared with an air quality index threshold set by reference national standards, and then whether indoor and outdoor fans are started for air purification is judged and controlled.

The utility model discloses the internet of things control technology has still been introduced, and the system that realizes the internet of things control technology constitutes as follows: the home gateway is used as an interface, a series of equipment information is transmitted, processed and stored on the home gateway, and if various functions are concentrated on the home network, the system design should be adjusted if system functions need to be added. The intelligent home remote control system is expanded, and based on the intelligent home remote control system, the intelligent home remote control system is organically integrated with an Internet of things technology, a middleware technology and a wireless network technology, so that the intelligent home remote control system can be expanded systematically and managed and controlled. The research is accessed into a wireless communication WIFI network, a mobile terminal, an air quality sensor, a processor, an air purifier, a wireless communication module and a display module. The indoor air quality is sensed through the air quality sensor, the A/D sampling circuit, the display module and the wireless communication module are connected with the ARM9 processor, the relay module is controlled and connected with the air exchange and purification all-in-one machine, and finally the air exchange and purification all-in-one machine based on the Internet of things is achieved.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides an indoor air purification filters and outdoor air exchange system which characterized in that includes:

the device comprises a shell (1), wherein one end of the shell is an inlet end, the other end of the shell is an outlet end, the inlet end is provided with an air inlet, the outlet end is provided with an air outlet, a first filtering component (2) with partition and primary purification functions is arranged in the shell, the first filtering component is arranged in the shell and divides the shell into a detection chamber and a purification treatment chamber, the detection chamber is communicated with the inlet end, and the purification treatment chamber is communicated with the outlet end;

a fan (3) arranged at the inlet end and used for blowing air into the detection chamber;

the gas purification auxiliary treatment assembly is arranged in the purification treatment chamber and comprises an ultraviolet lamp tube (4), a titanium dioxide filter screen (5) and a negative ion generator (6), and the ultraviolet lamp tube, the titanium dioxide filter screen and the negative ion generator are sequentially arranged along the direction of the first filter assembly pointing to the outlet end;

the second filtering component (7) is arranged on the air outlet;

detecting system, detecting system including the control module group that has the controllability, with control module group signal connection has particulate matter sensor (8), formaldehyde sensor (9), sulfur dioxide sensor (10), nitrogen oxide sensor (11), volatile organic compounds sensor (12), particulate matter sensor formaldehyde sensor sulfur dioxide sensor nitrogen oxide sensor and volatile organic compounds sensor set up in detect indoor.

2. The indoor air purifying filtering and outdoor air exchanging system of claim 1,

the air inlet is provided with two air inlets, wherein one air inlet is a first air inlet for introducing outdoor air flow, and the other air inlet is a second air inlet for introducing indoor air flow;

and the first air inlet is connected with an induced draft pipe.

3. The indoor air purifying filtering and outdoor air exchanging system of claim 2,

the particle sensors are laser particle sensors, two particle sensors are arranged, one particle sensor, the sulfur dioxide sensor and the nitrogen oxide sensor form a first sensor group, and the other particle sensor, the formaldehyde sensor and the volatile organic compound sensor form a second sensor group;

the first sensor group faces the first air inlet in the detection chamber, and the second sensor group faces the second air inlet in the detection chamber.

4. The indoor air purifying filtering and outdoor air exchanging system of claim 1,

the purification treatment chamber is internally provided with two wind collecting plates (13), and the two wind collecting plates are oppositely arranged and form a ventilation channel with the opening area at two ends larger than the cross section area of the middle part of the ventilation channel;

the ultraviolet lamp tube, the titanium dioxide filter screen and the negative ion generator are sequentially arranged in the ventilation channel.

5. The indoor air purifying filtering and outdoor air exchanging system of claim 4,

the ultraviolet lamp tubes are arranged in two groups, and the two groups of ultraviolet lamp tubes are symmetrically arranged on the two wind collecting plates respectively.

6. The indoor air purifying filtering and outdoor air exchanging system of claim 1,

in the detection room is provided with a mounting rack, the particulate matter sensor, the formaldehyde sensor, the sulfur dioxide sensor, the nitrogen oxide sensor and the volatile organic compound sensor are arranged on the mounting rack.

7. The indoor air purifying filtering and outdoor air exchanging system according to any one of claims 1 to 6,

first filtering component is including the HEPA filter screen, the HEPA filter screen is folded into the grid form and is set up in the casing.

8. The indoor air purifying filtering and outdoor air exchanging system according to any one of claims 1 to 6,

the second filtering component is an ozone filtering screen.

9. The indoor air purifying filtering and outdoor air exchanging system of claim 1,

a power supply system for providing electric energy is arranged in the shell, the power supply system comprises a power plug connected with commercial power, a voltage transformation and stabilization component is connected with the power plug, and the voltage transformation and stabilization component is connected with an electric element through a wire;

the solar panel is electrically connected with the voltage transformation and stabilization component through a DC/AC inverter.

10. The indoor air purifying filtering and outdoor air exchanging system of claim 1,

an air inlet grille used for adjusting the air inlet amount is arranged on the air inlet;

an air outlet grid used for adjusting the air output is arranged on the air outlet.