CN108954510B - Harmful gas intelligent monitoring photocatalytic purification system based on Internet of things - Google Patents
Harmful gas intelligent monitoring photocatalytic purification system based on Internet of things Download PDFInfo
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- CN108954510B CN108954510B CN201810709950.XA CN201810709950A CN108954510B CN 108954510 B CN108954510 B CN 108954510B CN 201810709950 A CN201810709950 A CN 201810709950A CN 108954510 B CN108954510 B CN 108954510B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
- F24F8/167—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using catalytic reactions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
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- Fuzzy Systems (AREA)
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
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Abstract
The invention provides a harmful gas intelligent monitoring photocatalytic purification system based on the Internet of things, which comprises: the harmful gas detection module detects the concentration of harmful gas in the surrounding air and transmits the detection data to the control module; the control module is used for judging whether the concentration of the harmful gas exceeds a threshold value or not, and sending a purification instruction to the harmful gas photocatalytic purification module when the concentration of the harmful gas exceeds the threshold value; the harmful gas photocatalytic purification module receives the purification instruction of the control module, sucks air, performs photocatalytic purification on the air, and discharges the purified air; and the data transmission end is used for transmitting the detection data detected by the harmful gas detection module to the user side. The system realizes the intelligent harmful gas detection and purification functions of multipoint, real-time, online and intelligent regulation.
Description
Technical Field
The invention relates to the technical field of gas detection, in particular to a harmful gas intelligent monitoring photocatalytic purification system based on the Internet of things.
Background
With the continuous improvement of living standard of people, people pay more attention to the quality of ecological environment of residential areas, so that more and more detection or purification devices for harmful gases such as indoor formaldehyde, benzene series and the like are provided, but most of the existing devices have high energy consumption, low catalytic efficiency and single function; the detection result is susceptible to the external environment; the intelligent operation function is not provided, and no household equipment capable of carrying out data cloud processing and air purification according to indoor pollutant content fluctuation and external environment change is provided.
Disclosure of Invention
In view of the above problems, the invention provides an intelligent harmful gas detection and purification system based on the internet of things, which realizes the functions of multipoint, real-time, online and intelligent regulation.
In order to achieve the above object, the present invention provides an intelligent harmful gas monitoring photocatalytic purification system based on the internet of things, comprising: the harmful gas detection module detects the concentration of harmful gas in the surrounding air and transmits the detection data to the control module; the control module is used for judging whether the concentration of the harmful gas exceeds a threshold value or not, and sending a purification instruction to the harmful gas photocatalytic purification module when the concentration of the harmful gas exceeds the threshold value; the harmful gas photocatalytic purification module receives the purification instruction of the control module, sucks air, performs photocatalytic purification on the air, and discharges the purified air; and the data transmission end is used for transmitting the detection data detected by the harmful gas detection module to the user side.
Preferably, the harmful gas detection module includes a plurality of sensors for detecting whether formaldehyde is included or-
And concentration of harmful gases of benzene series.
In addition, preferably, the harmful gas photocatalytic purification module includes:
photocatalytic reaction device, including first mount, second mount, shell, photocatalysis pipe and light source subassembly, the shell is fixed between first mount and second mount, be provided with the air inlet with photocatalysis pipe intercommunication on the first mount for inhale the air, photocatalysis pipe and light source subassembly parallel arrangement are in the shell, and the light that sends through the light source subassembly carries out the photocatalysis to the air of shining of photocatalysis pipe, be provided with the gas vent with photocatalysis pipe intercommunication on the second mount for the air after the discharge photocatalysis reaction.
Further, preferably, a mirror surface is disposed on the inner side of the second fixing frame facing the photocatalytic tube, and is used for reflecting the light from the light source assembly to the photocatalytic reaction tube again, so as to enhance the illumination intensity and promote the photocatalytic reaction.
Further, preferably, the photocatalytic reaction device comprises a plurality of photocatalytic tubes, the plurality of photocatalytic tubes surround the light source assembly, and the light source assembly disperses light at 360 degrees to realize that the plurality of photocatalytic tubes simultaneously perform photocatalytic reaction.
Further, preferably, the light source assembly is fixedly connected to the first fixing frame and the second fixing frame, the light source assembly has at least one light outlet, the housing is rotatably connected to the first fixing frame and the second fixing frame, and different photocatalytic tubes are driven to align to the light outlets of the light source assembly by rotation of the housing.
In addition, preferably, the same or different photocatalytic materials are placed in the plurality of photocatalytic tubes, and different harmful gases are subjected to photocatalytic purification.
Preferably, the harmful gas photocatalytic purification module includes:
the air pump is communicated with the air inlet of the first fixing frame through an air passage of the air pump, and the speed of the air pump is adjusted through the control module;
and the frequency regulator is electrically connected with the light source and used for regulating the frequency of the light source through the control module.
Further, preferably, the harmful gas photocatalytic purification module further includes:
a gas seal apparatus comprising:
the groove is arranged on the first fixing frame or the second fixing frame and is in a hollow boss shape, one end with a large size is used as an air inlet or an air outlet, the other end with the small size is provided with an elastic ball body, and the elastic ball body is provided with a first through hole and is connected with one end with the large size through an elastic component;
the mounting, one end is fixed on the shell, the fixed photocatalysis pipe of the other end, set up the second through-hole on the mounting, be the loudspeaker form towards the photocatalysis pipe, elastic ball's diameter is greater than the minimum diameter of second through-hole, when the photocatalysis pipe is not gas-circulating, elastic ball pastes on the shell, elastic component is in compression state, when the photocatalysis pipe gas-circulating, elastic ball is corresponding with second through-hole position, elastic component extends, push the second through-hole with partial elastic ball, elastic ball's first through-hole and second through-hole intercommunication.
Preferably, the control module comprises:
a database for storing the detection data and the threshold;
and the data processing unit calls the corresponding threshold value in the database according to the detection data to judge, and sends the detection data and the judgment result to the data transmission terminal.
Preferably, the device also comprises an app module which is installed at a user end and remotely controls the harmful gas photocatalytic purification module or/and sends instructions to the control module.
The harmful gas intelligent monitoring photocatalytic purification system based on the Internet of things solves the problems of single and false positive data of the existing device for detecting and purifying the environmental pollutants in the residential area, and has the advantages of accurate monitoring data, high photocatalytic efficiency, automatic regulation and control and the like.
Drawings
Other objects and results of the present invention will become more apparent and more readily appreciated by reference to the following detailed description and contents of the claims taken in conjunction with the accompanying drawings. In the drawings:
FIG. 1 is a block diagram of an intelligent harmful gas monitoring photocatalytic purification system based on the Internet of things;
FIG. 2 is a schematic diagram of an intelligent harmful gas monitoring photocatalytic purification system based on the Internet of things;
FIG. 3 is a schematic view of a gas seal apparatus according to the present invention;
fig. 4 is a schematic diagram of a block diagram of a specific embodiment of the intelligent harmful gas monitoring photocatalytic purification system based on the internet of things.
In the drawings, the same reference numerals indicate similar or corresponding features or functions.
Detailed Description
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.
Various embodiments according to the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 1 is a block diagram of the intelligent harmful gas monitoring photocatalytic purification system based on the internet of things, and as shown in fig. 1, the intelligent harmful gas detection catalytic system includes:
the harmful gas detection module 1 detects the concentration of harmful gas in the air, and transmits the detection data to the control module, and the harmful gas detection module may include a plurality of sensors, such as a formaldehyde gas sensor, a benzene series sensor, a PM2.5 sensor, a temperature sensor, a humidity sensor, and the like;
the control module 2 is used for judging whether the concentration of the harmful gas exceeds a threshold value or not, and sending a purification instruction to the harmful gas photocatalytic purification module when the concentration of the harmful gas exceeds the threshold value;
the harmful gas photocatalytic purification module 3 receives the purification instruction of the control module, sucks air, purifies the air and discharges the purified air;
and the data transmission terminal 4 is used for transmitting the detection data detected by the harmful gas detection module to the user terminal 5, the data transmission terminal can be a network module, a WiFi transmission module and the like, and the user terminal 5 can be a computer, a mobile phone and the like.
Above-mentioned harmful gas intelligent monitoring photocatalysis clean system solves the problem that current residential area environmental pollutant detects and purifier unicity, data are false "positive", designs a harmful gas intellectual detection system purifier based on thing networking, realizes multiple spot, real-time, online, intelligent regulation's function.
In one embodiment of the present invention, as shown in fig. 2, the harmful gas photocatalytic purification module 3 includes:
the photocatalytic reaction device 31 comprises a first fixing frame 311, a second fixing frame 312, a shell 313, a photocatalytic tube 314 and a light source assembly 315, wherein the shell 313 is fixed between the first fixing frame 311 and the second fixing frame 312, the first fixing frame 311 is provided with an air inlet 316 communicated with the photocatalytic tube 314 and used for sucking air, the photocatalytic tube 314 and the light source assembly 315 are arranged in the shell 313 in parallel, the air is subjected to photocatalytic reaction through irradiation of light emitted by the light source assembly 315 on the photocatalytic tube 314, and the second fixing frame 312 is provided with an air outlet 317 communicated with the photocatalytic tube and used for exhausting air after the photocatalytic reaction;
the air pump 32, the air passage of the air pump is communicated with the air inlet 316 of the first fixing frame 311, and the speed of the air pump 32 is adjusted by the control module 2, so that the photocatalytic reaction is rapidly and efficiently performed;
and the frequency regulator 33 is electrically connected with the light source of the light source component, and regulates the frequency of the light source through the control module 2 so as to enable the photocatalytic reaction to be rapidly and efficiently carried out.
the light source comprises a light source shell 315-1, wherein at least one light outlet 315-2 is arranged on the light source shell;
a light source (not shown) is secured within the light source housing.
The photocatalytic reaction device 31 may include a plurality of photocatalytic tubes 314 to improve catalytic efficiency, and the plurality of photocatalytic tubes 314 may perform photocatalytic reaction simultaneously through a light source assembly 315 (for example, excluding the light source housing 315-1 or the light source housing 315-1 being made of a transparent material) for emitting light at 360 degrees, or may perform photocatalytic reaction simultaneously through a plurality of light outlets (for example, the light source housing being made of a non-transparent material) of the light source assembly 315For example, a light outlet 315-2 is disposed on a light source housing 315-1, the light source assembly is surrounded by a plurality of photocatalytic tubes 314, the light source assembly is fixedly connected to the first fixing frame 311 and the second fixing frame 312, the housing 313 is rotatably connected to the first fixing frame 311 and the second fixing frame 312, and the housing 313 rotates to drive the different photocatalytic tubes 314 to align to the light outlet 315-2 of the light source assembly. The same or different photocatalytic materials, such as TiO, may be placed in different photocatalytic tubes 3142Material, TiO2-Pt material, etc.
Above-mentioned harmful gas intelligent monitoring photocatalysis purification system is based on harmful gas intelligent monitoring photocatalysis purifier of photocatalysis, internet of things. The device has the advantages of accurate monitoring data, high photocatalytic efficiency, autonomous regulation and control and the like.
In the above embodiments, the gas flowing function of the gas inlet 316 of the first fixing frame 311 and the gas outlet 317 of the second fixing frame can be realized by the gas sealing device 34, as shown in fig. 2 and 3, the gas sealing device 34 includes:
the groove 341 is disposed on the first fixing frame 311 or the second fixing frame 312, is in a hollow boss shape, and has a large end 341a as an air inlet or an air outlet, and a small end 341b having an elastic ball 342 with a first through hole 343 connected to the large end via an elastic member 344;
a fixing member 345 having one end fixed to the housing 313 and the other end fixed to the photocatalytic tube 314, the fixing member being provided with a second through hole 346 in a horn shape facing the photocatalytic tube, that is, the size becomes gradually larger in the direction toward the photocatalytic tube, the diameter of the elastic ball 342 is larger than the minimum diameter of the second through hole 346, the relative position of the elastic ball and the second through hole is ensured, and the air flow is increased, when the photocatalysis tube 314 does not flow gas, the resilient ball 342 rests against the housing 313, the resilient member 344 is in a compressed state, when the photocatalytic tube circulates gas, the elastic ball 342 corresponds to the second through hole 346, the elastic member 344 extends to push part of the elastic ball 342 into the second through hole 346, the first through hole 343 and the second through hole 346 of the elastic ball 342 communicate with each other to form a gas circulation channel, wherein the transition between the two states can be achieved by the rotation of the housing 313 or by the rotation of the first and second holders.
In an embodiment of the present invention, a control module 2 stores data generated in air detection and air purification processes, and transmits the data to a user terminal 5 through a data transmission terminal 4, where the control module 2 includes:
a database 21 for storing detection data and threshold values;
and the data processing unit 22 calls a corresponding threshold value in the database according to the detection data to perform judgment, and sends the detection data and a judgment result to a data transmission end, wherein the data processing unit 22 can be one or more of a single chip microcomputer, a DSP, a PLC and an Ethernet control chip.
The present embodiment shows one form of the composition of the control module 2, but the present invention is not limited thereto,
the device can also comprise a purification regulation and control unit which compares the detection data with a threshold value in a database and regulates and controls the harmful gas photocatalytic purification module 3 according to the corrected data after comparison, for example, the purification efficiency of the harmful gas can be regulated and controlled according to the interpolation of the detection data and the threshold value.
In one embodiment of the present invention, as shown in figure 4,
the database 21 is a cloud database, the data processing unit 22 is a single chip microcomputer, the data transmission terminal 4 is a WiFi transmission module, the user terminal 5 is a mobile phone, an app module for remotely controlling the harmful gas photocatalytic purification module 3 or/and sending instructions to the single chip microcomputer is installed on the mobile phone, the harmful gas detection module 1 sends formaldehyde, benzene series, PM2.5 and temperature and humidity detection data to the single chip microcomputer, the single chip microcomputer sends the detection data to the cloud database through the WiFi transmission module, the cloud database compares the uploaded data, sends the compared and corrected data to the single chip microcomputer or/and directly to the app module of the mobile phone through the WiFi transmission module, and the single chip microcomputer can control the effective operation of the harmful gas photocatalytic purification module 3 according to the fed-back accurate data, meanwhile, the app module of the mobile phone can also achieve the purpose of remotely controlling the harmful gas photocatalytic purification module 3 by sending instructions.
In one embodiment, the app module includes a registration unit, an interface unit, and an input unit, the registration unit is configured to obtain information of a user, the interface unit is connected to the control module 2 or/and the harmful gas photocatalytic purification module in a wired or/wireless manner, the input unit is configured to input an instruction of the user, and the interface unit is configured to send the instruction of the user to the control module 2 or/and the harmful gas photocatalytic purification module.
The above embodiment shows one configuration form of the app module, but the present invention is not limited to this, and for example, the app module may further include an authorization unit that gives different rights to different users.
The harmful gas intelligent monitoring photocatalytic purification system based on the Internet of things can adopt a plurality of intelligent household purifiers to monitor the concentration of formaldehyde and benzene series in a regional range in real time, then transmits real-time data to a database through a data processing end to correct the data and then feeds the data back to the intelligent household purifiers, and the household purifiers in a control region can operate effectively. The whole process can be remotely controlled through a mobile phone APP. Compared with the devices on the market, the device realizes the autonomous purification of the device through autonomous comparison and feedback with the cloud database. An intelligent household instrument with the characteristics of large-area environment monitoring, remote monitoring, intelligent purification and the like is researched and developed based on photocatalysis and Internet of things technology.
While the foregoing disclosure shows illustrative embodiments of the invention, it should be noted that various changes and modifications could be made herein without departing from the scope of the invention as defined by the appended claims. The functions, steps and/or actions of the method claims in accordance with the inventive embodiments described herein need not be performed in any particular order. Furthermore, although elements of the invention may be described or claimed in the singular, the plural is contemplated unless limitation to a single element is explicitly stated.
Claims (8)
1. The utility model provides a harmful gas intelligent monitoring photocatalysis clean system based on thing networking which characterized in that includes:
the harmful gas detection module detects the concentration of harmful gas in the surrounding air and transmits the detection data to the control module;
the control module is used for judging whether the concentration of the harmful gas exceeds a threshold value or not, and sending a purification instruction to the harmful gas photocatalytic purification module when the concentration of the harmful gas exceeds the threshold value;
the harmful gas photocatalytic purification module receives the purification instruction of the control module, sucks air, performs photocatalytic purification on the air, and discharges the purified air;
the data transmission end sends the detection data detected by the harmful gas detection module to the user end,
wherein, harmful gas photocatalysis purifies the module and includes:
the photocatalytic reaction device comprises a first fixing frame, a second fixing frame, a shell, a photocatalytic tube and a light source assembly, wherein the shell is fixed between the first fixing frame and the second fixing frame, the first fixing frame is provided with an air inlet communicated with the photocatalytic tube and used for sucking air, the photocatalytic tube and the light source assembly are arranged in the shell in parallel, the air is subjected to photocatalytic reaction through irradiation of the photocatalytic tube by light emitted by the light source assembly, and the second fixing frame is provided with an air outlet communicated with the photocatalytic tube and used for exhausting the air after the photocatalytic reaction;
a gas seal apparatus comprising:
the groove is arranged on the first fixing frame or the second fixing frame and is in a hollow boss shape, one end with a large size is used as an air inlet or an air outlet, the other end with the small size is provided with an elastic ball body, and the elastic ball body is provided with a first through hole and is connected with one end with the large size through an elastic component;
the mounting, one end is fixed on the shell, the fixed photocatalysis pipe of the other end, set up the second through-hole on the mounting, be the loudspeaker form towards the photocatalysis pipe, elastic ball's diameter is greater than the minimum diameter of second through-hole, when the photocatalysis pipe is not gas-circulating, elastic ball pastes on the shell, elastic component is in compression state, when the photocatalysis pipe gas-circulating, elastic ball is corresponding with second through-hole position, elastic component extends, push the second through-hole with partial elastic ball, elastic ball's first through-hole and second through-hole intercommunication.
2. The harmful gas intelligent monitoring photocatalytic purification system according to claim 1, wherein the harmful gas detection module comprises a plurality of sensors for detecting the concentration of harmful gas including formaldehyde or/and benzene series.
3. The harmful gas intelligent monitoring photocatalytic purification system according to claim 1, wherein the photocatalytic reaction device comprises a plurality of photocatalytic tubes, the plurality of photocatalytic tubes surround the light source assembly, and the light source assembly emits light in 360 degrees, so that the plurality of photocatalytic tubes can perform photocatalytic reaction simultaneously.
4. The harmful gas intelligent monitoring photocatalytic purification system according to claim 3, wherein the light source assembly is fixedly connected with the first fixing frame and the second fixing frame, the light source assembly has at least one light outlet, the housing is rotatably connected with the first fixing frame and the second fixing frame, and different photocatalytic tubes are driven to be aligned with the light outlet of the light source assembly through rotation of the housing.
5. The harmful gas intelligent monitoring photocatalytic purification system according to claim 3, wherein the same or different photocatalytic materials are placed in the plurality of photocatalytic tubes to perform photocatalytic purification on different harmful gases.
6. The harmful gas intelligent monitoring photocatalytic purification system according to claim 1, wherein the harmful gas photocatalytic purification module comprises:
the air pump is communicated with the air inlet of the first fixing frame through an air passage of the air pump, and the speed of the air pump is adjusted through the control module;
and the frequency regulator is electrically connected with the light source and used for regulating the frequency of the light source through the control module.
7. The harmful gas intelligent monitoring photocatalytic purification system according to claim 1, characterized in that the control module comprises:
a database for storing the detection data and the threshold;
and the data processing unit calls the corresponding threshold value in the database according to the detection data to judge, and sends the detection data and the judgment result to the data transmission terminal.
8. The harmful gas intelligent monitoring photocatalytic purification system according to claim 1, wherein a mirror surface is provided on the inner side of the second fixing frame facing the photocatalytic tube for reflecting the light from the light source assembly into the photocatalytic reaction tube again to enhance the illumination intensity and promote the photocatalytic reaction;
the device is characterized by further comprising an app module, wherein the app module is installed at a user side and used for remotely controlling the harmful gas photocatalytic purification module or/and sending instructions to the control module.
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| CN110410898A (en) * | 2019-06-24 | 2019-11-05 | 六安堰山自动化设备销售有限公司 | A kind of smart home environment-friendly air conditioner |
| CN112361535B (en) * | 2020-10-30 | 2022-04-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Purification system, electrical equipment and purification method |
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