TW202219903A - Air purifier and intelligent air quality management system using the same include a casing, a filter unit, an air sensor, a thermal imaging unit, and a control unit - Google Patents

Abstract

The air purifier provided by the present invention includes a casing, a filter unit, an air sensor, a thermal imaging unit, and a control unit. The filter unit is arranged in the casing and filters the air entering the casing. The air sensor is arranged in the casing and senses the quality change of the air before and after filtering. The thermal imaging unit is arranged in the casing and has a 3D camera and a temperature sensor. The control unit is installed in the casing, and configured to display the air quality information obtained by using the aforementioned harmful gas concentration on the man-machine interface, and integrate the stereo image captured by the 3D camera and the temperature sensing results of the temperature sensor to obtain the thermal imaging information. In addition, the present invention further provides an intelligent air quality management system using the aforementioned air purifier.

Description

Air purifier and intelligent air quality management system using the same

The present invention relates to an air purifier, in particular to an air purifier integrating multiple functions and an intelligent air quality management system using the air purifier.

The function of the air purifier is to detect the quality of the indoor air and then filter the indoor air. At present, air purifiers on the market have many ways to purify air, such as mechanical filters, electrostatic electret filters, high-voltage electrostatic dust collection, negative ions and plasma or green algae organisms, etc. Although there are many types, their functions are too single , the degree of intelligence is relatively lacking, and the data analysis capabilities are not comprehensive enough, so that users cannot clearly understand the changes in air quality in the home environment.

The main purpose of the present invention is to provide an air purifier, which uses recyclable microalgae as a purification medium, and integrates the air purification function with a number of different sensing functions, so that the user can monitor the environmental quality in real time.

In order to achieve the above-mentioned main purpose, the air purifier of the present invention includes a casing, a filter unit, an air sensor, a thermal imaging unit, and a control unit. The casing has an air inlet and an air outlet located below the air inlet; the filter unit is arranged in the casing and between the air inlet and the air outlet to filter the air entering from the air inlet; The air sensor is arranged in the casing to sense the change of air quality after being filtered by the filter unit; the thermal imaging unit is arranged in the casing and has a 3D camera and a temperature sensor, the 3D The camera is used to capture a three-dimensional image of a regional space, the temperature sensor is used to sense the temperature distribution in the regional space; the control unit is arranged in the casing and has a microprocessor electrically connected to the micro The human-machine interface of the processor, on the one hand, the microprocessor is electrically connected to the air sensor, so that the microprocessor calculates the sensing result of the air sensor and displays the air quality information correspondingly generated in the air sensor. A human-machine interface, the microprocessor is electrically connected to the thermal imaging unit on the other hand, so that the microprocessor performs the temperature sensing results of the stereoscopic image captured by the 3D camera and the temperature sensor on the stereoscopic image. Integrate to obtain a thermal image information.

It can be seen from the above that the air purifier of the present invention integrates the air purification function, the thermal imaging sensing function and the spatial 3D sensing function, which can increase the added value of its own product, thereby achieving the purpose of multi-purpose.

Preferably, the filter unit has an algae liquid storage tank, a guide plate group, a pump and a light source. The algae liquid storage tank is detachably arranged in the casing and below the air outlet; the guide plate is assembled between the air inlet and the algae liquid storage tank and has a plurality of first guide plates and A plurality of second diversion discs, the first diversion discs are arranged at intervals from top to bottom, the second diversion discs are arranged on the bottom surface of the first diversion discs one-to-one and from top to bottom Arranged in a staggered interval; the pump is arranged in the algae liquid storage tank for pumping the algal liquid in the algae liquid storage tank to the top one of the first guide plates; the light source is arranged on the guide plate One side of the group is used to provide light to the algal liquid, so that the algal liquid can perform photosynthesis at the same time in the process of circulating flow. With the above technical features, the present invention utilizes the characteristics of microalgae to absorb carbon dioxide in the air, and utilizes the water molecules in the casing to completely intercept pollutants such as PM2.5, thereby achieving the effect of purifying the air.

Preferably, each of the first guide plates has a guide port and a positioning hole for guiding the algal liquid, and each of the second guide plates has an inclined wall for guiding the algal liquid and a positioning hole. A positioning post protruding upward from the inclined wall, the inclined wall of each second guide plate is located below the guide opening of a first guide plate, and each second guide plate is embedded with the positioning column A positioning hole is arranged on the first guide plate, so that the upper and lower first guide plates and the second guide plate are assembled together, and the height difference between the two is used to form a buffering effect on the algal fluid.

Preferably, the filter unit further has a disk rack, the disk rack is mounted in the casing and has a plurality of positioning grooves, and each of the first guide disks is detachably assembled in one of the positioning grooves, so that the Each of the first guide plates can be easily disassembled for cleaning or replacement, so as to prolong the service life.

Preferably, the filter unit has an infusion tube and a sprinkler head, the bottom end of the infusion tube is connected to the pump, the top end of the infusion tube is connected to the sprinkler head, and the sprinkler head is located at the top one of the first diversion above the plate. With the above technical features, the algal liquid can generate circulating flow.

Preferably, each of the second baffles has two side walls, the side walls are connected to two opposite sides of the inclined wall, and one end of each of the side walls has an insertion hole and a post above the insertion hole, wherein The pin of one of the second deflectors is detachably inserted into the socket of one of the other second deflectors, so that the second deflectors can also be assembled in a staggered manner up and down. Together.

Preferably, the air inlet and the air outlet are respectively provided with a fan, and the air circulation is increased by the fans.

In addition, the present invention further provides an intelligent air quality management system, which in addition to the aforementioned air purifier, further includes a cloud server and a remote monitoring platform, the cloud server is electrically connected to the microprocessor, and uses to process and analyze the air quality information and the thermal imaging information; the remote monitoring platform is electrically connected to the cloud server for providing at least one user to view the air quality information and the thermal imaging information, preferably , the remote monitoring platform provides the user to establish an account, the user uses the account to monitor data and control the operation, and can also receive data under special conditions (such as an abnormality in a certain function or the air quality index reaches a dangerous level). Warning messages, so can be widely used in homes, schools, medical institutions and public places.

The detailed structure, characteristics, assembly or usage of the air purifier and the intelligent air quality management system using the air purifier provided by the present invention will be described in the detailed description of the following embodiments. However, those with ordinary knowledge in the field of the present invention should understand that these detailed descriptions and specific embodiments for implementing the present invention are only used to illustrate the present invention, and are not intended to limit the scope of the patent application of the present invention.

The applicant first explains that in the entire specification, including the embodiments described below and the claims of the scope of the patent application, the terms related to the directionality are based on the directions in the drawings. Next, in the embodiments and drawings to be introduced below, the same element numbers represent the same or similar elements or their structural features.

Referring to FIGS. 1 and 2 , the air purifier 10 of the present invention includes a casing 20 , a filter unit 30 , an air sensor 42 , a thermal imaging unit 50 , and a control unit 60 .

The casing 20 has a hollow body 21 , a top seat 22 , a base 23 and a rear cover 24 . The hollow shell 21 has an air inlet 25 and an opening 26 below the air inlet 25; the top seat 22 is arranged on the top of the hollow shell 21; the base 23 is arranged on the bottom end of the hollow shell 21 and has an air outlet 27; The rear cover 24 is hinged to the hollow shell 21 with one side, so that the rear cover 24 can cover the opening 26 when it is closed.

The filter unit 30 has two fans 31, an algae liquid storage tank 32, a disk frame 33, a guide disk group 34, a pump 37 and two light sources 40, as shown in Figure 3, wherein:

Two fans 31 are used to generate air convection. The two fans 31 are installed at the positions of the air inlet 25 and the air outlet 27 , and are electrically connected to a power supply 74 respectively.

The algal liquid storage tank 32 is mainly used to store the algal liquid 12 (the main component is microalgae). The algal liquid storage tank 32 is arranged in the base 23 and below the air outlet 27 , and can be taken out at any time to replenish the algal liquid 12 .

The disk rack 33 is disposed in the hollow casing 21 and has a plurality of positioning grooves 332 (as shown in FIG. 4 , 10 in this example, but not limited thereto) arranged at intervals from top to bottom.

The guide plate group 34 is disposed in the hollow shell 21 through the opening 26 and is located between the air inlet 25 and the algal liquid storage tank 32 . As shown in FIG. 4 , the guide plate group 34 has a plurality of first guide plates 35 (here, 10, but not limited to) and a plurality of second guide plates 36 (here, 19, but not limited to). The first guide plate 35 is embedded in the positioning groove 332 of the disk frame 33 and has a plurality of guide holes 352 (the number is not limited) and one positioning hole 354. Arranged up and down in order, as shown in FIG. 3 , the guide holes 352 are staggered from left to right; the second guide plate 36 is located below the first guide plate 35 and has an inclined wall 361, a positioning The column 362 and two side walls 366. The inclined wall 361 is located below the guide holes 352 of the first guide plate 35. The positioning column 362 has a tapered column body 363 and two positioning portions 364 opposite to each other. The bottom end of the column body 363 is integrally connected to the top surface of the inclined wall 361 , and the positioning portions 364 are integrally connected to the top end of the tapered column body 363 and are separated by a slit 365 . The positioning portions 364 are radially deformed when passing through the positioning holes 354, so that the positioning portions 364 can be quickly engaged with or separated from the positioning holes 354 of the first deflector 35 (as shown in FIG. 5 ). The equal side walls 366 are connected to two opposite sides of the inclined wall 361 and respectively have an insertion hole 367 and a post 368 located above the insertion hole 367 .

After the assembly is completed, as shown in FIG. 3 , the guide holes 352 of the first guide discs 35 will be staggered from left to right, and the inclined walls 361 of the second guide discs 36 will also be set from left to right The algae liquid 12 is staggered to the right, so that the entire guide plate group 34 guides the algae liquid 12 into the algae liquid storage tank 32 in a circuitous manner. 12 plays a buffering effect, allowing the algal liquid 12 to flow at a stable speed. On the other hand, in addition to the first air guide plate 35 and the second air guide plate 36 that can be assembled with each other (as shown in FIG. 4 and FIG. 5 ), the two second air guide plates 36 can also be installed according to actual needs ( For example, space constraints) are assembled. As shown in FIG. 4 and FIG. 6 , one of the second air guide plates 36 is inserted into the two insertion holes 367 of the other second air guide plate 36 with two pins 368 . , so that the upper and lower second guide plates 36 are arranged in a left-right manner (as shown in FIG. 3 ), and then the algal liquid 12 is guided into the algal liquid storage tank 32 in a circuitous manner.

The pump 37 is arranged in the algae liquid storage tank 32, as shown in FIG. 3, for extracting the algae liquid 12 in the algae liquid storage tank 32, and transporting it to a sprinkler head 39 through an infusion pipe 38, and then through the sprinkler head 39 is sprayed on the uppermost first guide plate 35 to make the algal liquid 12 form a circulating flow.

The two light sources 40 (in this embodiment, LED light bars) are disposed on the left and right sides of the guide plate group 34 , as shown in FIG. 3 , and are mainly used to provide light to the algal liquid 12 , so that the algal liquid 12 circulates During the process of photosynthesis.

The air sensor 42 is arranged in the top seat 22, as shown in FIG. 3, for sensing the quality change of the air before and after passing through the algal liquid 12, especially the concentration of harmful gases (such as PM2.5, carbon dioxide, carbon monoxide, formaldehyde or other volatile organic compounds) in the difference between the air inlet 25 and the air outlet 27.

The thermal imaging unit 50 is installed on the top seat 22 and has a 3D camera 52 and a temperature sensor 54 . As shown in FIG. 1 , the 3D camera 52 is used to capture a three-dimensional image of the space in the front area, and the temperature sensor 54 is used for The temperature distribution in the sensing area space.

The control unit 60 is disposed in the top base 22 and has a microprocessor 62 and a man-machine interface 64 . On the one hand, the microprocessor 62 is connected to the air sensor 42 for calculating the change value of the air after being filtered by the algae liquid 12, and displaying the corresponding generated air quality information 14 on the man-machine interface 64 (as shown in FIG. 7 ). On the other hand, the microprocessor 62 is connected to the fan 31, the pump 37 and the light source 40 to control the startup and shutdown of the aforementioned components. In addition, the microprocessor 62 is further connected to the thermal imaging unit 50 to connect the 3D camera to the The stereoscopic image captured by 52 and the temperature sensor 54 integrate the temperature sensing results of the aforementioned stereoscopic image to obtain thermal imaging information 16 as shown in FIG. 8 . The man-machine interface 64 is mainly used to display the calculation results of the microprocessor 62 in real time, so that the user can conveniently check the air quality of the current location, and also allows the user to perform power-on, power-off or other functions.

As shown in FIG. 8 , the microprocessor 62 can be connected to a cloud server 68 via a wireless transmission unit 66 (eg, Wi-Fi) for bidirectional data transmission. On the one hand, the aforementioned air quality information 14 and the aforementioned thermal imaging information 16 can be transmitted. On the other hand, it allows users to connect with the cloud server 68 through a remote monitoring platform 70 (such as a smart phone or a desktop computer), and even allows users to create an account, and the user can log in with the account After that, you can check the air quality information 14 and the aforementioned thermal imaging information 16, and you can also set the operating time, the brightness of the light source, or the on/off of the system. The system is disconnected or the algae liquid needs to be replaced, etc.) and receive a reminder message.

As can be seen from the above, the air purifier 10 of the present invention has the following characteristics:

1) Carbon dioxide is one of the most important elements when microalgae carry out photosynthesis. The present invention utilizes the algal liquid 12 made by microalgae to absorb carbon dioxide by photosynthesis in the process of circulating flow. The generated water molecules have a very strong ability to adsorb toxic substances (such as heavy metals, volatile organic compounds or PM2.5), so the present invention can effectively achieve the purpose of purifying the air.

2) The guide plate group 34 used to receive the algal liquid 12 is designed to be detachable, so the user can easily open the back cover 24, and then disassemble the guide plate group 34 for cleaning or replacement. to extend service life.

3) The algae liquid 12 used in the present invention is a recyclable material, which can be used as the basic raw material of organic fertilizer after a period of use, so as to avoid secondary pollution to the environment, and whether it is necessary to restore the soil. Replacement effect.

4) The present invention utilizes the intelligent air quality management system 72 composed of the air purifier 10, the cloud server 68 and the remote monitoring platform 70 to allow users to upload data through Wi-Fi, and to monitor the air quality and report real-time information at any time. And remote system control, and can even further control the use of functions and data browsing according to the distribution of powers of personnel, so it can be widely used in families, schools, medical institutions and public places.

5) The present invention further integrates the thermal imaging unit 50, so that the user can observe whether the personnel near the thermal imaging unit 50 have abnormal body temperature through the thermal imaging information 16 presented by the remote monitoring platform 70.

6) The present invention further provides an outdoor air quality sensor 78. The outdoor air quality sensor 78 is electrically connected to the microprocessor 62 for sensing the outdoor air quality. Thereby, as shown in FIG. 9 , the microprocessor 62 receives the indoor air quality sensing value via the air sensor 42 on the one hand, and receives the outdoor air quality sensing value via the outdoor air quality sensor 78 on the other hand. Then, the difference between the two sensing values is calculated. The above calculation result can be displayed by the man-machine interface 64 in real time for the people near the air purifier 10 to watch, or the user can monitor the data through the remote monitoring platform 70 .

7) As shown in FIG. 10, the present invention can set up multiple air purifiers respectively in the first area P1 (such as Taichung, but not limited to) and the second area P2 (such as Kaohsiung, but not limited to this) (The number is not limited), the air cleaners 10 sense the air quality of the first area P1 and the second area P2 respectively, and then use the cloud server 68 (the installation location is not limited) to detect the air quality of the first area P1 and the second area The air quality information of P2 is processed and analyzed, and the user performs data monitoring through the remote monitoring platform 70 at the same time, so that a grouped air pollution map can be established to observe the air pollution conditions in different areas.

8) The filter unit 30 is not limited to using microalgae as a purification medium, and the guide plate group 34 can also be removed and replaced with a plurality of filters 76, as shown in FIG. Various pollutants can also be combined with the cloud server 68 and the remote monitoring platform 70 to achieve an intelligent effect.

10: Air purifier 12: algal fluid 14: Air Quality Information 16: Thermal Imaging Information 20: Chassis 21: Hollow shell body 22: Top seat 23: Base 24: Back cover 25: air inlet 26: Opening 27: Air outlet 30: Filter unit 31: Fan 32: Algae liquid storage tank 33: Disk rack 332: Positioning slot 34: Deflector set 35: The first deflector 352: diversion hole 36: Second deflector 361: Inclined Wall 362: Positioning Post 363: Conical Column 364: Positioning Department 365: Trough 366: Sidewall 367: jack 368: Post 37: Pump 38: Infusion tube 39: Sprinkler Head 40: Light source 42: Air sensor 50: Thermal imaging unit 52: 3D Camera 54: Temperature sensor 60: Control unit 62: Microprocessor 64: Human Machine Interface 66: Wireless transmission unit 68: Cloud server 70: Remote monitoring platform: 72: Smart Air Quality Management System 74: Power Supply 76: Filter 78: Outdoor Air Quality Sensor P1: The first area P2: The second area

FIG. 1 is a perspective view of the air purifier of the present invention. FIG. 2 is a perspective view of the air purifier of the present invention after the rear cover is opened. 3 is a partial cross-sectional view of the air purifier of the present invention. FIG. 4 is a partial perspective exploded view of the guide plate set provided by the air purifier of the present invention. 5 is a cross-sectional view of the guide plate assembly provided by the air purifier of the present invention, mainly showing that the first guide plate and the second guide plate are assembled with each other. FIG. 6 is another cross-sectional view of the guide plate set provided by the air purifier of the present invention, mainly showing that two second guide plates are assembled with each other. FIG. 7 is a schematic screen view of a man-machine interface provided by the air purifier of the present invention. FIG. 8 is a schematic diagram of the connection of the intelligent air quality management system of the present invention. FIG. 9 is another schematic diagram of the connection of the intelligent air quality management system of the present invention. FIG. 10 is a schematic diagram of the smart air quality management system of the present invention sensing air quality in different areas. Fig. 11 is similar to Fig. 3 and mainly shows that the deflector plate group is replaced by a filter screen.

12: algal fluid

22: Top seat

30: Filter unit

32: Algae liquid storage tank

33: Disk rack

35: The first deflector

36: Second deflector

37: Pump

38: Infusion tube

39: Sprinkler Head

40: Light source

42: Air sensor

60: Control unit

62: Microprocessor

64: Human Machine Interface

74: Power Supply

Claims (12)

An air purifier comprising: a casing with an air inlet and an air outlet below the air inlet; a filter unit, disposed in the casing and between the air inlet and the air outlet; an air sensor, disposed in the casing, for sensing the quality change of the air after being filtered by the filter unit; a thermal imaging unit, disposed on the casing and having a 3D camera and a temperature sensor, the 3D camera is used for capturing a three-dimensional image of a region space, and the temperature sensor is used for sensing the temperature in the region space temperature distribution; and a control unit, disposed in the casing and having a microprocessor and a human-machine interface electrically connected to the microprocessor, the microprocessor is electrically connected to the air sensor for sensing the air The sensing result of the device is calculated and correspondingly generated air quality information is displayed on the man-machine interface, and the microprocessor is electrically connected to the thermal imaging unit for the three-dimensional image captured by the 3D camera and the The sensing results of the temperature sensors are integrated to obtain thermal imaging information. The air purifier according to claim 1, wherein the filter unit has an algae liquid storage tank, a guide plate group, a pump and a light source, and the algal liquid storage tank is detachably arranged in the casing and located below the air outlet, the guide plate is set between the air inlet and the algae liquid storage tank and has a plurality of first guide plates and a plurality of second guide plates, the first guide plates The plates are arranged at intervals from top to bottom, the second guide plates are arranged one-to-one on the bottom surface of the first guide plates and are arranged in a staggered interval from top to bottom, and the pump is arranged in the algal liquid storage In the tank, an algal liquid in the algal liquid storage tank is used to extract the algal liquid to the uppermost one of the first guide plates, and the light source is arranged on one side of the guide plate group to provide light to the algal liquid . The air purifier according to claim 2, wherein each of the first guide discs has a guide port and a positioning hole, and each of the second guide discs has an inclined wall and an upward protrusion from the inclined wall. Protruding positioning posts, the inclined wall of each second guide plate is located below a guide opening of the first guide plate, and each second guide plate is embedded in a first guide plate with the positioning column. The positioning hole of the flow plate. The air purifier of claim 3, wherein each of the second deflectors has two side walls, the side walls are connected to two opposite sides of the inclined wall, and one end of each of the side walls has an insertion hole and a In the post above the jack, one of the second guide plates is detachably inserted into the jack of the other second guide plate. The air purifier according to claim 2, wherein the filter unit further has a disk rack, the disk rack is mounted in the casing and has a plurality of positioning grooves, and each of the first guide disks is detachably assembled in the in the positioning groove. The air purifier according to claim 2, wherein the filter unit has an infusion tube and a sprinkler head, the bottom end of the infusion tube is connected to the pump, the top end of the infusion tube is connected to the sprinkler head, and the sprinkler head is located at One of the uppermost ones is above the first deflector. The air purifier according to claim 1, wherein the filter unit has a tray frame and a plurality of filter screens, the tray frame is mounted in the casing and has a plurality of positioning grooves arranged at intervals from top to bottom, each The filter screen is detachably assembled in one of the positioning grooves. The air purifier according to claim 1, wherein the air inlet and the air outlet are respectively provided with a fan. An intelligent air quality management system, including: An air purifier as described in any one of claims 1 to 8; a cloud server, electrically connected to the microprocessor, for processing and analyzing the air quality information and the thermal imaging information; and A remote monitoring platform is electrically connected to the cloud server for providing at least one user to view the air quality information and the thermal imaging information. The intelligent air quality management system of claim 9, wherein the remote monitoring platform provides the user to establish an account, and the user uses the account to monitor data and control operation. The intelligent air quality management system according to claim 9, further comprising an outdoor air quality sensor, the outdoor air quality sensor is electrically connected to the microprocessor, and the microprocessor calculates the air sensor The difference between the sensing value of the outdoor air quality sensor and the indoor and outdoor air quality is calculated, and the calculation result is displayed in real time through the man-machine interface. The intelligent air quality management system according to any one of claims 9 to 11, comprising a plurality of the air purifiers, a part of the air purifiers are installed in a first area, and the other parts of the air purifiers The cleaning machine is arranged in a second area, and the cloud server is electrically connected to the microprocessors for processing and analyzing the air quality information and the thermal imaging information of the first area and the second area.

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