CN106895501B - A kind of movable-type intelligent air purifying robot and method - Google Patents

Abstract

The invention belongs to the technical field of photocatalytic degradation of volatile organic compounds, and in particular relates to a mobile intelligent air purification robot and a method. It can automatically detect high-concentration areas, move to the area through the robot, adjust the catalytic level according to the concentration of VOC and PM2.5, automatically catalyze and degrade VOC/filter and remove PM2.5, and after the degradation reaches the target value, it will automatically move to the charging position for charging and charging. Turn on normal processing mode. The robot is coupled with the function of ultraviolet sterilization, and the bacteria in the air are killed when passing through the ultraviolet irradiation area. The robot automatically records and displays the environmental VOC and PM2.5 data within 24 hours, visually showing the removal effect of various pollutants. The robot is connected to the mobile phone APP through the Internet, and the user can remotely control the switch of the machine through the mobile phone. After the ambient air quality exceeds the standard, the robot and the APP will continue to send corresponding alarms and provide relevant disposal suggestions according to the degree of pollution.

Description

A mobile intelligent air purification robot and method

technical field

The invention belongs to the technical field of photocatalytic degradation of volatile organic compounds, and in particular relates to a mobile intelligent air purification robot and a method.

Background technique

With the accelerating pace of urbanization in our country, the indoor environment and ambient air quality of newly decorated houses pose a great threat to people's health. VOC is a common indoor air pollutant with complex components and wide sources. Great threat to health. The traditional adsorption technology only transfers indoor VOCs to the outdoors, without complete degradation, and the pollutants may re-enter the indoors; the potential pollution of waste adsorption consumables to the environment cannot be underestimated. Photocatalysis is a new type of VOC degradation technology. The supported photocatalytic nanoparticles can generate highly oxidizing free radicals under the irradiation of ultraviolet lamps, thereby completely oxidizing indoor VOC into non-polluting CO ₂ and H ₂ O, ensuring Cleaning of indoor air.

In the actual application process, most photocatalytic VOC degradation technologies are only in the experimental stage, and some small and medium-sized research experiments are carried out, and there is no successful data for the research of larger space, which makes the photocatalytic technology in practical application. There are still great difficulties.

In view of the lack of application of photocatalytic technology in larger spaces, it is an urgent technical problem to provide a photocatalytic device with real-time monitoring, fast movement and rapid degradation.

Contents of the invention

Purpose of the invention: In order to provide a mobile intelligent air purification robot and method with better effects, see the multiple substantive technical effects in the specific implementation part for the specific purpose.

In order to achieve the above object, the present invention takes the following technical solutions:

Option One:

A mobile intelligent air purification robot is characterized in that it includes a robot motion system, a robot computer control system that can be connected to the Internet, a display panel and a power supply system; the robot motion system can drive the overall housing to move, and the housing The interior contains the air inlet fan, and the housing includes the air inlet and the air outlet, and the inside of the housing also includes an air purification part on the wind path; the housing can be driven by the robot motion system, and also includes PM2.5 sensors and /or VOC sensor, the PM2.5 sensor and/or

Or the VOC sensor is communicated with the robot computer control system, and the robot computer control system can judge and record the data of the PM2.5 sensor and/or the VOC sensor and can control the movement of the robot motion system.

The further technical solution of the present invention is that the air purification part is an air outlet filter system and/or a photocatalytic purification part, and the photocatalytic purification part includes a photocatalyst and its carrier; the catalyst uses porous aluminum foil or foam metal as a carrier, and adopts a ring Oxygen resin is used as a binder to bond nano-titanium dioxide P25 to the surface of aluminum foil or to load _TiO2 on the surface of the carrier by sol-gel method. When the gas containing VOC passes through the catalyst, the catalyst decomposes it under the action of ultraviolet light.

A further technical solution of the present invention is that the robot computer control system that can be connected to the Internet can be connected to a central control system, and the central control system is a mobile phone, a terminal, and the like.

The further technical solution of the present invention is that the display panel can be switched to display the VOC concentration within 24 hours, which is convenient for direct observation of the removal efficiency; the panel includes touch switches of all control units of the robot; the panel simultaneously displays the ambient temperature and humidity; When the concentration of air pollutants exceeds the standard, the panel will send out a corresponding level of alarm signal and provide corresponding disposal suggestions, and at the same time send the same information to the mobile APP.

The further technical solution of the present invention is that the robot motion system can record the walking route and walking time, and can record the VOC concentration and PM2.5 concentration at multiple locations and time moments.

Option II:

A mobile intelligent air cleaning robot, characterized in that it includes a robot motion system, the robot motion system is a sweeping robot, an air cleaning part can be placed above the sweeping robot, and the air cleaning part can be detachably placed on the sweeping robot In the above, the air cleaning part is an air cleaner, and the air cleaner includes a battery system, and the battery can supply power to the air cleaner.

The further technical solution of the present invention is that the air cleaner includes a suction cup under the air cleaner, and the suction cup can be adsorbed above the sweeping robot.

The further technical solution of the present invention is that the housing of the air cleaner includes a groove, and a humidifier and an anion generator can be placed in the groove.

third solution:

A mobile intelligent air purification method, characterized in that, using the purification robot described in any one of the above, includes the following steps,

The robot detects the concentration of PM2.5 and/or VOC concentration at the location while moving, and then judges the position of the highest point of the concentration of PM2.5 and/or VOC concentration, and then the robot goes here and starts to purify. , re-detect and re-find the highest point for purification.

Option four:

A mobile intelligent air purification method, characterized in that, using the purification robot described in any one of the above, includes the following steps,

1) When not working, the reactor is placed in a charging state or in a non-working state;

2) When there is a high-concentration VOC/PM2.5 area in the room, the sensor can automatically sense the area, issue an alarm and start the reactor movement system to move to the area;

3) The sensor selects the processing level according to the value of the VOC/PM2.5 concentration here, and further adjusts the number of UV lamps turned on and the air intake volume;

4) The robot sends out an alarm when it detects that the ambient air quality exceeds the standard, and at the same time sends the corresponding alarm information to the user's mobile phone APP through the Internet;

5) The mobile phone APP used with the robot includes the functions of remote control of the machine switch and real-time reception of monitoring data and alarm information;

6) Catalyst loading on the surface of the carrier includes, but is not limited to, epoxy resin bonding or sol-gel sintering loading;

7) Photocatalysts including but not limited to nano-titanium dioxide P25 or sol-gel method are used inside the reactor to degrade VOC under the irradiation of ultraviolet lamps;

8) The VOC in this area drops below the standard value, the reactor stops working and returns to the charging area to enter the charging state or the non-working state.

Compared with the prior art, the present invention adopting the above technical solution has the following beneficial effects: the device of the present invention is simple in structure, easy to operate, strong in practicability, and low in cost. The invention prepares the catalytic material loaded with nanometer photocatalyst by using epoxy resin bonding or sol-gel method, and the method is carried out at normal temperature and pressure, which is simple, feasible and low in cost. Compared with the traditional adsorption device, the photocatalytic device designed by the invention can completely oxidize VOC into carbon dioxide and water without generating secondary pollution.

Description of drawings

In order to further illustrate the present invention, further describe below in conjunction with accompanying drawing:

Fig. 1 is the realization schematic diagram of invention;

Fig. 2 is a partial structural schematic diagram of Embodiment 2 of the present patent;

Fig. 3 is a schematic diagram of another part of the second embodiment of the patent;

Fig. 4 is a partial structural schematic diagram of Embodiment 3 of the present patent;

Fig. 5 is the degradation curve of formaldehyde over time;

Fig. 6 is VOC degradation curve with time;

Among them: 1. Robot motion system; 2. Robot computer control system, display panel and power supply system that can be connected to the Internet; 3. Air inlet and fan; 4. Air inlet and outlet filter system; 5. Photocatalyst and its Carrier; 6. UV light source; 7. VOC sensor; 8. Air outlet; 9. PM2.5 sensor.

Detailed ways

The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "inner" and "outer ” refer to directions towards or away from the geometric center of a particular part, respectively.

Embodiment one:

A mobile intelligent air purification robot is characterized in that it includes a robot motion system, a robot computer control system that can be connected to the Internet, a display panel and a power supply system; the robot motion system can drive the overall housing to move, and the housing The interior contains an air inlet axial fan, and the housing includes an air inlet and an air outlet. The inside of the housing also includes an air purification part on the wind path; the housing can be driven by the robot motion system, and it also contains PM2.5 sensor and/or VOC sensor, the PM2.5 sensor and/or VOC sensor are connected to the robot computer control system in communication, and the robot computer control system can judge and record the data of the PM2.5 sensor and/or VOC sensor and can control the robot Motor system movement.

The present invention provides a method for removing VOC/PM2.5 using the above-mentioned device, comprising the following steps:

1) When not working, the reactor is placed in a charging state or in a non-working state;

2) When there is a high-concentration VOC/PM2.5 area in the room, the sensor can automatically sense the area, issue an alarm and start the reactor movement system to move to the area;

3) The sensor selects the processing level (the number of UV lamps turned on and the air intake volume) according to the value of the VOC/PM2.5 concentration here;

4) The robot sends out an alarm when it detects that the ambient air quality exceeds the standard, and at the same time sends the corresponding alarm information to the user's mobile phone APP through the Internet;

5) The mobile phone APP used with the robot includes the functions of remote control of the machine switch and real-time reception of monitoring data and alarm information;

6) Catalyst loading on the surface of the carrier includes, but is not limited to, epoxy resin bonding or sol-gel sintering loading;

7) Photocatalysts including but not limited to nano-titanium dioxide P25 or sol-gel method are used inside the reactor to degrade VOC under the irradiation of ultraviolet lamps;

8) The VOC in this area drops below the standard value, the reactor stops working and returns to the charging area to enter the charging state or the non-working state.

Further, in the reactor of the present invention:

The photocatalyst is nanoscale TiO ₂ particles.

The ultraviolet lamp is a high-pressure mercury lamp with a wavelength of 254nm and a power of 18W.

The sensors are VOC sensors and PM _2.5 sensors.

Compared with the existing technology, the advantages and beneficial effects of the present invention are: the device of the present invention is simple in structure, easy to operate, strong in practicability and low in cost. The invention prepares the nanometer photocatalyst by using the sol-gel method, which is carried out at normal temperature and pressure, and is simple and easy to implement and low in cost. Compared with traditional adsorption reactors, the photocatalytic reactor designed by the invention can completely oxidize VOC to generate carbon dioxide and water without secondary pollution.

The substantive technical effects played by the technical solution here and its realization process are as follows: the device of the present invention is shown in Fig. system to control the photocatalytic reaction device.

The motion system is controlled by the sensor system, which senses the value of VOC and PM2.5 to determine the high-concentration area and then transmits the information to the motion system. The motion system starts and automatically moves to the area, and the motion system transmits the signal to Photocatalytic reaction system, the photocatalytic system starts, and performs hierarchical degradation or filtration according to the sensor value.

The method of the present invention is illustrated in detail by the following examples.

1) Tetrabutyl titanate and tetraethyl orthosilicate are made into a gel, loaded on the pre-treated nickel foam by dipping and pulling method, dried in an oven, and then calcined at 500°C for 3h at high temperature. A titania-silica supported catalyst that eventually forms an anatase phase.

The mechanism of this method is that tetrabutyl titanate generates TiO ₂ under the action of hydrolysis, and after adding orthosilicate, a semiconductor-doped TiO ₂ -SiO ₂ composite semiconductor nanocatalyst is formed, which is calcined at 500°C to form anatase phase TiO ₂ semiconductor.

The loaded nano-semiconductor-doped catalyst obtained by this method is assembled in the purification equipment shown in Figure 1 to carry out the air purification operation.

As a further improvement, the commercially purchased average particle diameter of 25nm catalyst P25 is loaded with epoxy resin and curing agent thereof on porous aluminum foil paper and placed in the device in Example 1 according to the reaction mechanism of Example 1 to carry out TVOC and PM _2.5 removal.

The robot computer control system that can be connected to the Internet can be connected to a central control system, and the central control system is a mobile phone, a terminal, and the like. The display panel can be switched to display the VOC concentration within 24 hours, which is convenient for direct observation of the removal efficiency; the panel includes touch switches of all control units of the robot; the panel simultaneously displays ambient temperature and humidity; Afterwards, an alarm signal of the corresponding level will be issued and corresponding disposal suggestions will be provided, and the same information will be sent to the mobile APP at the same time. Undoubtedly, the implementation of the Internet is not limited to the above implementation content, and similar implementations are within the protection scope of this patent.

As a further improved structure, the robot motion system can record the walking route and walking time, and can record the VOC concentration and PM2.5 concentration at multiple locations and time moments. The substantive technical effect and the realization process of the technical solution here are as follows: it can record, evaluate and purify the environment of the office in combination with the location and time, avoiding the need to purchase multiple purifiers , making the use of the purifier better.

Option II:

A mobile intelligent air cleaning robot, characterized in that it includes a robot motion system, the robot motion system is a sweeping robot, an air cleaning part can be placed above the sweeping robot, and the air cleaning part can be detachably placed on the sweeping robot In the above, the air cleaning part is an air cleaner, and the air cleaner includes a battery system, and the battery can supply power to the air cleaner. The substantive technical effect and realization process of the technical solution here are as follows: As shown in Fig. 2-Fig. 3, there is no doubt that the sweeping robot belongs to the prior art, such as Haier's robot, etc.; air purification The device also belongs to the prior art, but the combination of the two has not been proposed, and the adoption of this structure makes the overall realization effect better.

Referring to Fig. 2, the air purifier contains a suction cup under it, and the suction cup can be adsorbed on the sweeping robot. Can be used in combination or alone.

Referring to Fig. 2 and Fig. 3, the housing of the air purifier contains a groove, and a humidifier and an anion generator can be placed in the groove. By adopting this structure, the house can also be humidified and the concentration of negative ions can be increased in a mobile manner. Fig. 3 As a preference, the groove contains an interlayer, the anion generator can be placed below, and the humidifier can be placed above the interlayer.

third solution:

A mobile intelligent air purification method, characterized in that, using the purification robot described in any one of the above, includes the following steps,

The robot detects the concentration of PM2.5 and/or VOC concentration at the location while moving, and then judges the position of the highest point of the concentration of PM2.5 and/or VOC concentration, and then the robot goes here and starts to purify. , re-detect and re-find the highest point for purification.

Option four:

A mobile intelligent air purification method, characterized in that, using the purification robot described in any one of the above, includes the following steps,

1) When not working, the reactor is placed in a charging state or in a non-working state;

2) When there is a high-concentration VOC/PM2.5 area in the room, the sensor can automatically sense the area, issue an alarm and start the reactor movement system to move to the area;

3) The sensor selects the processing level according to the value of the VOC/PM2.5 concentration here, and further adjusts the number of UV lamps turned on and the air intake volume;

4) The robot sends out an alarm when it detects that the ambient air quality exceeds the standard, and at the same time sends the corresponding alarm information to the user's mobile phone APP through the Internet;

5) The mobile phone APP used with the robot includes the functions of remote control of the machine switch and real-time reception of monitoring data and alarm information;

6) Catalyst loading on the surface of the carrier includes, but is not limited to, epoxy resin bonding or sol-gel sintering loading;

7) Photocatalysts including but not limited to nano-titanium dioxide P25 or sol-gel method are used inside the reactor to degrade VOC under the irradiation of ultraviolet lamps;

8) The VOC in this area drops below the standard value, the reactor stops working and returns to the charging area to enter the charging state or the non-working state.

Groundbreakingly, each of the above effects exists independently, and a set of structures can also be used to complete the combination of the above results. Some details are not shown in the figure.

It should be noted that the multiple solutions provided by this patent include their own basic solutions, which are independent of each other and do not restrict each other. However, they can also be combined without conflict to achieve multiple effects together.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and what described in the above-mentioned embodiments and the description only illustrates the principle of the present invention, and the present invention also has various aspects without departing from the spirit and scope of the present invention. Variations and improvements all fall within the scope of the claimed protection.

Claims (5)

1. a kind of movable-type intelligent air purifying robot, which is characterized in that including robot motion's system, internet can be connected Robot computerized control system, display panel and power-supply system；Robot motion's system can drive whole shell to move Dynamic, it includes air inlet and air outlet on shell that the enclosure interior, which includes air intake blower fan, and enclosure interior is gone back on wind path stroke Include air cleaning part；The shell can be driven movement by robot motion's system, also comprising PM2.5 sensor and/ Or VOC sensor, the PM2.5 sensor and/or VOC sensor communicate to connect robot computerized control system, the machine People's computerized control system can judge and record the data of PM2.5 sensor and/or VOC sensor and can control robot motion System motion；The air cleaning part is outlet air filtration system and/or light catalytic purifying part, the light catalytic purifying part Include photochemical catalyst and its carrier；Catalyst is using porous aluminium foil or foam metal as carrier, using epoxy resin as adhesive, Nano-titanium dioxide P25 is bonded in aluminium foil surface or passes through sol-gel method for TiO₂It is carried on foam metal, contains When the gas of VOC passes through catalyst, catalyst is decomposed under the action of uv light；

The robot computerized control system for connecting internet can connect central control system, the central control system be mobile phone, Terminating machine etc.；

VOC concentration in the changeable display of the display panel 24 hours, the convenient direct observation to removal efficiency；

The panel includes the soft-touch control of all control units of robot；The panel while display environment temperature and humidity；

The panel, which will issue the alarm signal of appropriate level after air pollutant concentration is exceeded and provide corresponding disposition, suggests, Identical information is sent to cell phone application simultaneously；

Robot motion's system is able to record track route and travel time, and can record multiple places and moment time Under VOC concentration and PM2.5 concentration；

Comprising robot motion's system, robot motion's system is sweeping robot, can be put on the sweeping robot Gas purification part is emptied, the air cleaning part removable can be placed on sweeping robot, and the air cleaning part is Air purifier, the air purifier include battery system, and battery can power to air purifier.

2. a kind of movable-type intelligent air purifying robot as described in claim 1, which is characterized in that the air purifier Lower section includes sucker, and sucker can be adsorbed on above sweeping robot.

3. a kind of movable-type intelligent air purifying robot as described in claim 1, which is characterized in that the air purifier Shell on include groove, humidifier and anion generator can be placed in groove.

4. a kind of movable-type intelligent air purification method, which is characterized in that purify machine using claim 1-3 any one People comprises the following steps,

Robot side moves the concentration and/or VOC concentration that frontier inspection surveys the PM2.5 of position, subsequently determines whether the concentration of PM2.5 And/or the position where the highest point of VOC concentration, subsequent robot row after purification, detect simultaneously again to, starting to purify herein Again highest point is found to be purified.

5. a kind of movable-type intelligent air purification method, which is characterized in that purify machine using claim 1-3 any one People comprises the following steps,

1) when without work, robot is placed in charged state or off position；

2) when occurring the high concentration region VOC/PM2.5 in room, sensor can the automatic sensing region, issue alarm simultaneously start Reactor kinematic system is moved to the region；

3) sensor is according to the numerical value of VOC/PM2.5 concentration herein, and selection processing rank, further adjustment ultraviolet lamp opens number And intake；

4) robot detect ambient air quality it is exceeded when sound an alarm, while by internet to user mobile phone APP send out Send corresponding warning information；

5) cell phone application that cooperation robot uses includes remote control of machine switch and real-time reception monitoring data and alarm signal The function of breath；

6) catalyst includes but is not limited to be bonded using epoxy resin or loaded using sol gel sintered in carrier surface load Mode；

7) inside reactor is existed using the photochemical catalyst that including but not limited to nano-titanium dioxide P25 or sol-gal process are prepared Photocatalytic degradation processing is carried out to VOC under the radiation of ultraviolet lamp；

8) VOC in the region drops to standard value hereinafter, reactor, which stops working and is back to charging zone, enters charged state or not Working condition.