CN115855775A - Air purifier testing arrangement based on internet - Google Patents

Abstract

The invention discloses an air purifier testing device based on the internet, which belongs to the technical field of air purifier sales and comprises a visual testing cabin, a multidirectional convection type dust premixing mechanism, a helium storage tank and a helium dust self-separation and recovery mechanism, wherein the multidirectional convection type dust premixing mechanism is arranged on the side wall of the visual testing cabin, the upper wall of the helium storage tank is respectively communicated with an input pipe and an output pipe, the helium dust self-separation and recovery mechanism is arranged on the side wall of the visual testing cabin, the helium dust self-separation and recovery mechanism is communicated between the visual testing cabin and the input pipe, and the multidirectional convection type dust premixing mechanism is communicated between the output pipe and the visual testing cabin. The utility model provides an air purifier testing arrangement based on internet, with the help of the flow of dust in the fluorescence magnetic particle simulation air, through under the shining of ultraviolet ray, make air purifier's effect visual, the consumer can look over air purifier's purifying effect in real time.

Description

Air purifier testing arrangement based on internet

Technical Field

The invention belongs to the technical field of air purifiers, and particularly relates to an air purifier testing device based on the Internet.

Background

In recent years, people pay more attention to air quality along with the improvement of living standard of people. Air purifiers are now widely used for air purification, and are used in the fields of home, medical treatment, industry and the like, wherein the home field uses a single household air purifier as a mainstream product in the market. The basic requirement of the air purifier is that the air purifier can effectively purify common harmful substances such as particle pollutants, gaseous pollutants and the like.

Air purifiers on the market are various in types and brands, the price is from hundreds of yuan to tens of thousands of yuan, manufacturers claim that own products have excellent air purification effect, and consumers have difficulty in selecting the air purifiers. When the air purifier is sold, the performance of the product is difficult to visually show only through simple exhibition and detection report about the air purifier, so that a consumer can directly know the product, the consumer cannot visually observe the purification capacity of the air purifier, and often cannot select a proper air purifier to purchase, and in the prior art, no equipment can visually display the dynamic purification capacity of the air purifier, although some devices for detecting the performance of the air purifier exist at present, for example, in Chinese patent with publication number CN105206203B, the publication discloses an air purifier functional test display cabinet which comprises a control panel, a display cabin and a control cabin and is characterized in that: the control panel comprises a pressure release valve, a screen module used for playing a prompt function, a sensor module, a power switch and an android control system circuit board, and a data analysis component, an APP extension component and a WIFI component are arranged on the android control system circuit board; the display cabin is provided with a display cabin door, an electric heating ceramic piece, a first protection switch and a formaldehyde injection pump, and the electric heating ceramic piece and the formaldehyde injection pump are both arranged in the display cabin; the control cabin is provided with a control cabin door, a smoke generator, an ozone generator, an air pump and a second protection switch, the smoke generator, the ozone generator and the air pump are all installed in the control cabin, and a vent hole is formed between the display cabin and the control cabin. Although this application can let the consumer see air purifier various numerical values at practical process directly perceivedly, the consumer can not the audio-visual when observing air purifier actual work, and the dust particle's in the air directly perceived change is difficult to reach the technological effect that demonstrates air purifier each item purification performance index directly perceived.

To sum up, to air purifier's manufacturer and air purifier's consumer, the urgent need for one kind can demonstrate the equipment of air purifier each item purification performance directly perceived, makes air purifier manufacturer can more audio-visual show air purifier's performance to and air purifier consumer can audio-visual observation air purifier's performance through the naked eye, be favorable to the more healthy development of air purifier trade.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the air purifier testing device based on the internet, which simulates the flow of dust in the air by means of fluorescent magnetic powder, and enables the fluorescent magnetic powder to be quickly shaped under the irradiation of ultraviolet light, so that the change of dust particles in the air is visually and dynamically displayed in the actual work of the air purifier, the air purifier is invisible and shaped, the effect of the air purifier is visually and visually, a consumer can check the purifying effect of the air purifier in real time, and reliable and visual reference is provided for the consumer.

By means of the coanda effect and the magnetic attraction principle, the self-separation of the fluorescent magnetic powder and the air flow is realized under the action of inertia and magnetic force, the fluorescent magnetic powder and the helium gas are conveniently recycled, and the remote monitoring and analysis are realized through the Internet.

The technical scheme adopted by the invention is as follows: the invention provides an air purifier testing device based on the internet, which comprises a visual testing cabin, a multidirectional convection type dust premixing mechanism, a helium storage tank and a helium dust self-separation and recovery mechanism, wherein the multidirectional convection type dust premixing mechanism is arranged on the side wall of the visual testing cabin, the helium storage tank is arranged on one side of the visual testing cabin, the upper wall of the helium storage tank is respectively communicated with an input pipe and an output pipe, the helium dust self-separation and recovery mechanism is arranged on the side wall of the visual testing cabin, the helium dust self-separation and recovery mechanism is communicated between the visual testing cabin and the input pipe, the multidirectional convection type dust premixing mechanism is communicated between the output pipe and the visual testing cabin, the multidirectional convection type dust premixing mechanism comprises a supporting base, a premixing barrel, a negative pressure type convection generation assembly, a bottom diversion part, a driving assembly with adjustable diffusion speed and a dust shaking self-movement type diffusion device, the support base is arranged on the outer wall of the visual test cabin, the premixing barrel is arranged on the support base, the negative pressure type convection generating assemblies are distributed on the side wall of the premixing barrel in a circumferential array manner, the negative pressure type convection generating assemblies are communicated with the premixing barrel, the bottom flow guide part is arranged on the inner bottom wall of the premixing barrel, the lower end of the premixing barrel is provided with a driving cavity, the driving assembly with adjustable diffusion speed is arranged on the inner wall and the upper wall of the driving cavity, the dust self-oscillation type diffusion device is arranged in the premixing barrel in a sliding manner, the upper wall of the premixing barrel is communicated with a guide hopper, the lower end of the guide hopper is communicated with the dust self-oscillation type diffusion device, the guide hopper is convenient for feeding fluorescent magnetic powder into the dust self-oscillation type diffusion device, and the dust self-oscillation type diffusion device drives the fluorescent magnetic powder to diffuse into the premixing barrel under the oscillation effect generated by air flow, the negative pressure type convection generating assembly generates convection in the premixing barrel, so that gas in the premixing barrel is uniformly mixed with the fluorescent magnetic powder, meanwhile, air flow fluctuation generated by the convection can drive the dust to shake up and down from the shaking type diffusion device, so that the fluorescent magnetic powder falls down from the dust shaking type diffusion device, the bottom flow guide part is convenient for guiding the air flow, and the driving assembly with adjustable diffusion speed adjusts the shaking degree of the dust self-shaking type diffusion device by adjusting the size of the convection, so that the diffusion speed of the fluorescent magnetic powder is adjusted.

Wherein, the negative pressure type convection generating component comprises a drawing cylinder, a drawing piston, a drawing rod, a drawing shifting plate and a reset spring, the drawing cylinder is communicated with the premixing cylinder, the drawing cylinder is distributed on the side wall of the premixing cylinder in a circumferential array manner, the drawing piston is arranged in the drawing cylinder in a sliding manner, one end of the drawing rod is fixedly connected with the side wall of the drawing piston, the other end of the drawing rod penetrates through the side wall of the drawing cylinder in a sliding manner and is arranged outside the drawing cylinder, the drawing shifting plate is arranged at one end of the drawing rod far away from the drawing piston, the reset spring is arranged between the drawing shifting plate and the outer wall of the drawing cylinder, the driving component with adjustable diffusion speed is in contact with the drawing shifting plate, the driving component with adjustable diffusion speed drives the drawing rod to draw the drawing piston outwards along the drawing cylinder through the drawing shifting plate, so as to generate negative pressure in the drawing cylinder, when the driving component with adjustable diffusion speed is not in contact with the drawing shifting plate, the reset spring drives the pulling rod to reset rapidly through the pulling shifting plate, so as to drive the pulling piston to move rapidly and reset in the pulling cylinder, the pulling piston pushes the air flow in the pulling cylinder to be discharged into the premixing cylinder rapidly, a plurality of groups of negative pressure type convection generating assemblies distributed in a circumferential array generate a plurality of strands of air flows flowing rapidly in opposite directions to generate impact and then convert the impact into radial air flows, the strands of air flows flowing rapidly in opposite directions and impact drive the floating fluorescent magnetic powder to move rapidly and mix, when the pulling piston is pulled back again, the negative pressure generated by the pulling piston in the premixing cylinder drives the mixture of the gas and the fluorescent magnetic powder to be pulled back into the pulling cavity, the gas and the fluorescent magnetic powder in the premixing cylinder are driven to move continuously through the pulling piston to be pulled and pushed continuously, so that the fluorescent magnetic powder is fully dispersed and mixed with the gas, meanwhile, the drawing piston continuously draws and pushes to drive the air pressure in the premixing cylinder to change, so that the dust automatically shakes the diffusion device to shake up and down, and the fluorescent magnetic powder in the dust automatically shakes the diffusion device to scatter.

The negative pressure type convection generating assembly generates convection in the premixing barrel, so that gas in the premixing barrel is uniformly mixed with the fluorescent magnetic powder, meanwhile, air flow fluctuation generated by the convection can drive the dust to shake up and down from the shaking type diffusion device, so that the fluorescent magnetic powder falls down from the dust shaking type diffusion device, the bottom flow guide part is convenient for guiding the air flow, and the driving assembly with adjustable diffusion speed adjusts the shaking degree of the dust self-shaking type diffusion device by adjusting the size of the convection, so that the diffusion speed of the fluorescent magnetic powder is adjusted.

Further, the diffusion speed adjustable driving assembly comprises a diffusion motor, a central gear, planetary driven gears, a transmission shaft, concentric bevel gears, driven bevel gears and an adjustable poking rod, the diffusion motor is arranged in the driving cavity, the central gear is rotatably arranged in the driving cavity, the central gear and the premix barrel are coaxially arranged, the planetary driven gears are rotatably arranged in the driving cavity, the planetary driven gears are circumferentially distributed around the central gear in an array manner, the planetary driven gears are respectively meshed with the central gear, a transmission cavity is circumferentially distributed on the upper wall of the driving cavity and is arranged above the planetary driven gears, the lower end of the transmission shaft is coaxially and fixedly connected with the central shaft part of the planetary driven gears, the middle part of the transmission shaft rotatably penetrates through the upper wall of the driving cavity, the upper end of the transmission shaft is rotatably arranged in the transmission cavity, the concentric bevel gears are coaxially and fixedly connected with the upper end of the transmission shaft, a poking shaft is rotatably arranged on the side wall of the transmission cavity close to the pull poking plate, one end of the adjustable poking rod is fixedly arranged on the poking shaft, the driven bevel gears are coaxially and fixedly connected with the poking shaft, the driven bevel gears are coaxially and are arranged on the poking shaft, the poking rod, the driven bevel gears are meshed with the concentric bevel gears, the diffusion motor drives the central gear to rotate the pull-out pull gear, the pull-out poking rod, the planetary driven bevel gears and move away from the adjustable poking barrel through the planetary driven poking rod, and move away from the planetary driven poking rod, and synchronously reset spring, and move around the drive bevel gear, and move away from the drive the adjustable poking barrel, and synchronously reset spring.

Preferably, the adjustable poking rod comprises a rotating poking rod and an adjustable screw rod, one end of the rotating poking rod is fixedly connected to the poking shaft, the adjustable screw rod is in threaded connection with the end of the other end of the rotating poking rod, the length of the whole adjustable poking rod is adjusted by screwing the adjustable screw rod, the stroke of the pulling rod for pulling the pulling piston to move is adjusted by adjusting the length of the adjustable poking rod, and then the shaking degree of the dust self-shaking type diffusion device is controlled.

Further, the dust self-shaking type diffusion device comprises a diffusion slide rod, a diffusion cavity, a folding hose and a diffusion spring, wherein the upper wall of the premixing barrel is provided with sliding through holes, the diffusion slide rod penetrates through the sliding through holes in a sliding mode, the diffusion cavity is arranged at the lower end of the diffusion slide rod and is arranged in the premixing barrel in a sliding and clamping mode, fluorescent magnetic powder is arranged in the diffusion cavity, the bottom wall of the diffusion cavity is uniformly distributed with the diffusion through holes, the upper end of the folding hose is communicated with the lower end of the guide hopper, the lower end of the folding hose is communicated with the upper wall of the diffusion cavity, the diffusion spring is sleeved on the diffusion slide rod, a limiting plate is arranged at the upper end of the diffusion slide rod, the diffusion spring is arranged between the limiting plate and the upper wall of the premixing barrel and between the upper wall of the diffusion cavity and the upper wall of the premixing barrel, the diffusion spring plays a buffer and anti-collision role and can increase the shaking degree of the diffusion cavity, the upper end of the guide hopper is connected with a cover body in a threaded mode, and the cover body is convenient for sealing the diffusion hopper and adding the fluorescent magnetic powder into the diffusion cavity.

As a further improvement of the scheme, the bottom wall of the diffusion cavity is in an inward concave circular arrangement with a high middle part and low periphery, the bottom diversion part comprises a central cone part and an annular slope surface, the annular slope surface is arranged around the outer side of the central cone part, the annular slope surface and the central cone part are in arc streamline transition, the annular slope surface and the central cone part convert into airflow flowing in the radial direction after being impacted, one part of the airflow flows upwards to the bottom wall of the diffusion cavity, flows downwards again under the diversion effect of the inward concave circular surface of the bottom wall of the diffusion cavity, and the other part of the airflow flows downwards to the bottom diversion part, flows to the annular slope surface along the central cone part and flows upwards under the diversion effect of the annular slope surface, and mixing is performed again.

Wherein, be equipped with the air premix pump on the premix section of thick bamboo lateral wall, premix section of thick bamboo lateral wall intercommunication is equipped with the induction-pipe, the both ends of premixing the air pump respectively with induction-pipe, output tube, the helium that the air premix pump was stored with the helium storage tank is taken out through the output tube and is sent into through the induction-pipe in the premix section of thick bamboo, mixes with fluorescent powder, one side that the premix section of thick bamboo is close to visual test cabin is equipped with the gas-supply pipe, gas-supply pipe and visual test cabin lateral wall upper end intercommunication, the gas-supply pipe is convenient for mix the helium of fluorescent powder and is carried to visual test cabin in and carry out the emulation test.

Preferably, the gas transmission pipe is provided with a one-way throttle valve and an air transmission pump; the upper wall of the premixing barrel is provided with air holes in a distributed mode, the upper wall of the diffusion cavity is provided with a premixing piston, the air supply pipe is communicated and arranged below the premixing piston, and the premixing piston prevents helium in the premixing barrel from leaking.

The visual test cabin inner wall is the slope setting, and visual test cabin inner wall evenly distributed is equipped with ultraviolet lamp, be equipped with on the visual test cabin lateral wall and place the mouth, place the articulated sealed hatch door that is equipped with of mouth department, place the mouth and be convenient for place the examination air purifier that awaits measuring, sealed hatch door is convenient for seal visual test cabin, be equipped with the observation window on the sealed hatch door, the observation window internal seal is equipped with the goggles, the goggles adopts the material of UVS-40 (TP-9940) ultraviolet protection and fluorescence reinforcing glasses to make, can effectively protect the ultraviolet ray, and UVS-40 (TP-9940) ultraviolet protection and fluorescence reinforcing glasses see through the colour temperature and fluorescence that the UV arouses the production of fluorescence magnetic is the yellow green colour unanimity simultaneously, the observation of being convenient for.

In order to discharge air in the visual test cabin conveniently, the bottom end of the side wall of the visual test cabin is communicated with an exhaust pipe, an exhaust electromagnetic valve is arranged on the exhaust pipe, a first helium sensor is arranged on the exhaust pipe, the exhaust pipe is convenient for discharging the air in the visual test cabin, the first helium sensor detects the helium concentration in the exhaust pipe in real time, and when the air is discharged from the visual test cabin completely, the first helium sensor detects that the helium concentration exceeds a threshold value, a signal is sent to trigger the exhaust electromagnetic valve to be closed, and the high-concentration leakage of the helium is prevented.

As a further improvement of the scheme, the lower end of the side wall of one side of the visual test chamber is communicated with an inflation tube, an inflation pump is arranged on the inflation tube, and the inflation pump is convenient for inflating outside air upwards from the lower end of the visual test chamber through the inflation tube.

Further, the visual test cabin upper wall is equipped with the recovery preliminary examination chamber to the intercommunication on the high lateral wall of visual test cabin lower wall, it is equipped with helium sensor two to retrieve the preliminary examination intracavity, it is equipped with the recovery tube to retrieve the one side lateral wall intercommunication that visual test cabin was kept away from in the preliminary examination chamber, is equipped with the recovery solenoid valve on the recovery tube, and helium sensor two detect and retrieve the intracavity helium concentration of preliminary examination, and when retrieving the intracavity helium concentration of preliminary examination and being less than the default, send signal trigger and retrieve the solenoid valve and close, prevent that the air from flowing to in the recovery tube, the recovery tube links to each other with helium dust self-segregation recovery mechanism.

Wherein, a plurality of groups of helium dust self-separating and recovering mechanisms are arranged on the side wall of the visual test cabin and are sequentially connected from top to bottom, the helium dust self-separating and recycling mechanism comprises a separating cavity, a separating air inlet pipe, a separating exhaust pipe and an arc-shaped convex part, the separation cavity is arranged on the side wall of the visual test chamber, the separation air inlet pipe is communicated with the upper wall of the separation cavity, the separation exhaust pipe is communicated with the lower wall of the separation cavity, the arc-shaped bulge is arranged on the inner wall of the separation cavity and between the separation air inlet pipe and the separation exhaust pipe, a threaded connecting pipe is arranged on one side of the side wall of the separation cavity far away from the arc-shaped convex part and is communicated with the separation cavity, the thread connecting pipe is provided with a sealing cover in a thread sealing connection way, the inner wall of the sealing cover is provided with a cylindrical collecting magnet, the collecting magnet penetrates through the thread connecting pipe and is arranged in the separation cavity, helium gas of residual fluorescent magnetic powder flows into the separation cavity through the recovery pipe and the separation air inlet pipe, according to the coanda effect, when helium gas flows to the arc-shaped convex part, the helium gas tends to flow along with the surface of the convex arc-shaped convex part, and fluorescent magnetic powder in the helium gas is adsorbed to the surface of the collecting magnet under the action of magnetic force and inertia, thereby realizing the self-separation of helium and dust, the uppermost helium dust self-separating and recovering mechanism in the multiple groups of helium dust self-separating and recovering mechanisms is connected with the recovering pipe, the lowermost helium dust self-separating and recovering mechanism of the multiple groups of helium dust self-separating and recovering mechanisms is connected with the helium storage tank through a pipeline, pure helium separated from the fluorescent magnetic powder flows back to the helium storage tank, and an exhaust check valve is arranged on a separation exhaust pipe of the helium dust self-separation and recovery mechanism at the lowest part to prevent helium in the helium storage tank from flowing back.

The visual test cabin upper wall is equipped with control terminal, and visual test cabin inner wall is equipped with the video acquisition camera, control terminal includes controller and wiFi transmission module, the controller respectively with video acquisition camera, wiFi transmission module, helium sensor one, exhaust solenoid valve, helium sensor two, retrieve solenoid valve electric connection, the video acquisition camera gathers visual test cabin internal image and transmits the internet through wiFi transmission module, convenient long-range looking over and further image contrastive analysis, the inside supply socket that is equipped with of visual test cabin.

The invention with the structure has the following beneficial effects:

1. the utility model provides an air purifier testing arrangement based on internet, to the unable visual technical defect who sees of current air purifier performance, a neotype air purifier performance test show mode is proposed, flow with the help of dust in the fluorescence magnetic simulation air, through under the shining of ultraviolet ray, make the fluorescence magnetic show shape fast, thereby make the demonstration of the audio-visual developments of change of dust particle in the air of air purifier actual work show, it is tangible to change intangible, make air purifier's effect visual, consumer can look over air purifier's purifying effect in real time, provide reliable and audio-visual reference for the consumer.

2. The driving assembly with the adjustable diffusion speed drives the drawing piston to reciprocate, the negative pressure type convection generation assembly distributed in a plurality of groups of circumferential arrays generates a plurality of strands of airflow which flows fast, the strands of airflow which flows in opposite directions generate impact and then transfer to the airflow which flows in radial direction, the strands of airflow which flows in opposite directions and impact drive floating fluorescent magnetic powder to move fast and mix, and the drawing piston continuously draws and pushes the airflow so as to drive the gas and the fluorescent magnetic powder in the premixing cylinder to move continuously, so that the fluorescent magnetic powder is fully dispersed and mixed with the gas, and meanwhile, the drawing piston continuously draws and pushes the airflow so as to drive the gas pressure in the premixing cylinder to change, so that the dust automatically shakes the diffusion device to shake up and down, and the fluorescent magnetic powder in the dust automatically shakes diffusion device is driven to scatter.

3. The length of the whole adjustable poking rod is adjusted by screwing the adjustable screw rod, and the stroke of the pulling rod for pulling the pulling piston to move is adjusted by adjusting the length of the adjustable poking rod, so that the shaking degree of the dust self-shaking type diffusion device is controlled; and through throwing different particle size fluorescent magnetic powder into the diffusion chamber to convenient air purifier particulate matter purification performance show in grades.

4. Through the ingenious setting of diffusion chamber diapire and bottom water conservancy diversion portion for the air current mixes more evenly with fluorescent powder, inhales the principle with the help of kangda effect and magnetism, realizes the self-separation of fluorescent powder and air current under the effect of inertia and magnetic force, makes things convenient for the recycle of fluorescent powder and helium.

5. The internal image video of the visual test chamber is remotely monitored and collected through the WiFi transmission module and the video collection camera, so that remote viewing and analysis are facilitated.

Drawings

FIG. 1 is a schematic structural diagram of an Internet-based air purifier testing device provided by the invention;

FIG. 2 is a schematic perspective view of an Internet-based air purifier testing device according to the present invention;

FIG. 3 is a front view of an Internet-based air purifier testing apparatus according to the present invention;

FIG. 4 is a schematic structural view of a multi-directional convective dust premixing mechanism provided in the present invention;

FIG. 5 is a top view of a multi-directional convective dust premixing mechanism provided by the present invention;

FIG. 6 isbase:Sub>A cross-sectional view A-A of FIG. 5;

FIG. 7 is a cross-sectional view B-B of FIG. 5;

FIG. 8 is a schematic view of the internal structure of the transmission chamber provided by the present invention;

FIG. 9 is a schematic view of the internal structure of a multiple set of helium dust self-separating and recycling mechanism according to the present invention;

fig. 10 is a cross-sectional view of the helium dust self-separating and recovering mechanism provided by the present invention.

Wherein, 1, a visual test cabin, 2, a multidirectional convection type dust premixing mechanism, 3, a helium storage tank, 4, a helium dust self-separation and recovery mechanism, 5, an input pipe, 6, an output pipe, 7, a support base, 8, a premixing barrel, 9, a negative pressure type convection generation assembly, 10, a bottom diversion part, 11, a driving assembly with adjustable diffusion speed, 12, a dust automatic shaking type diffusion device, 13, a driving cavity, 14, a material guide hopper, 15, a drawing barrel, 16, a drawing piston, 17, a drawing rod, 18, a drawing shifting plate, 19, a reset spring, 20, a diffusion motor, 21, a central gear, 22, a planet driven gear, 23, a transmission shaft, 24, a concentric bevel gear, 25, a driven bevel gear, 26, an adjustable shifting rod, 27, a transmission cavity, 28, a shifting shaft, 29, a rotation lever, 30, an adjustable screw rod, 31, a diffusion sliding rod, 32 and a diffusion cavity, 33, a folding hose, 34, a diffusion spring, 35, a sliding through hole, 36, a diffusion through hole, 37, a limiting plate, 38, a cover body, 39, a central cone part, 40, an annular slope surface, 41, a pre-mixing air pump, 42, an air supply pipe, 43, an air pipe, 44, a one-way throttle valve, 45, an air supply pump, 46, an air hole, 47, a pre-mixing piston, 48, an ultraviolet lamp, 49, a placing port, 50, a sealed cabin door, 51, an observation window, 52, a protective mirror, 53, an exhaust pipe, 54, an exhaust electromagnetic valve, 55, a helium sensor I, 56, an air filling pipe, 57, an air filling pump, 58, a recovery pre-detection cavity, 59, a video acquisition camera, 60, a recovery pipe, 61, a recovery electromagnetic valve, 62, a WiFi transmission module, 63, a separation cavity, 64, a separation pipe, 65, a separation exhaust pipe, 66, an arc-shaped bulge part, 67, a threaded connection pipe, 68, a sealing cover, 69, a collection magnet, 70. and controlling the terminal.

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.

As shown in fig. 1-3, the internet-based air purifier testing device provided by the invention comprises a visual testing cabin 1, a multidirectional convection type dust premixing mechanism 2, a helium storage tank 3 and a helium dust self-separation recovery mechanism 4, wherein the multidirectional convection type dust premixing mechanism 2 is arranged on the side wall of the visual testing cabin 1, the helium storage tank 3 is arranged on one side of the visual testing cabin 1, the upper wall of the helium storage tank 3 is respectively communicated with an input pipe 5 and an output pipe 6, the helium dust self-separation recovery mechanism 4 is arranged on the side wall of the visual testing cabin 1, the helium dust self-separation recovery mechanism 4 is communicated between the visual testing cabin 1 and the input pipe 5, and the multidirectional convection type dust premixing mechanism 2 is communicated between the output pipe 6 and the visual testing cabin 1.

Referring to fig. 2 and 3, the upper wall of the visual testing chamber 1 is obliquely arranged, ultraviolet lamps 48 are uniformly distributed on the upper wall of the visual testing chamber 1, a placing port 49 is formed in the side wall of the visual testing chamber 1, a sealing chamber door 50 is hinged to the placing port 49, an air purifier to be tested can be conveniently placed in the placing port 49, the sealing chamber door 50 is convenient for sealing the visual testing chamber 1, an observation window 51 is formed in the sealing chamber door 50, a protective lens 52 is hermetically arranged in the observation window 51, the protective lens 52 is made of materials of UVS-40 (TP-9940) ultraviolet protection and fluorescence enhancement glasses, can effectively protect ultraviolet rays, and meanwhile, the color temperature of the UVS-40 (TP-9940) ultraviolet protection and fluorescence enhancement glasses is consistent with the color of fluorescence generated by excitation of fluorescent magnetic powder due to UV, so that observation is facilitated.

As shown in fig. 1, in order to facilitate discharging the air in the visual test chamber 1, an exhaust pipe 53 is communicated with the bottom end of the side wall of the visual test chamber 1, an exhaust solenoid valve 54 is arranged on the exhaust pipe 53, a first helium sensor 55 is arranged on the exhaust pipe 53, the exhaust pipe 53 facilitates discharging the air in the visual test chamber 1, the first helium sensor 55 detects the helium concentration in the exhaust pipe 53 in real time, after the air is completely discharged from the visual test chamber 1, the first helium sensor 55 detects that the helium concentration exceeds a threshold value, a signal is sent to trigger the exhaust solenoid valve 54 to be closed, and the high-concentration leakage of the helium is prevented.

As shown in fig. 2-7, the multi-directional convective dust premixing mechanism 2 includes a support base 7, a premixing cylinder 8, a negative pressure convective generation assembly 9, a bottom flow guiding part 10, a diffusion speed adjustable driving assembly 11 and a dust self-shaking diffusion device 12, the support base 7 is arranged on the outer wall of the visual test chamber 1, the premixing barrel 8 is arranged on the support base 7, the negative pressure type convection generating assemblies 9 are distributed on the side wall of the premixing cylinder 8 in a circumferential array manner, the negative pressure type convection generating assemblies 9 are communicated with the premixing cylinder 8, the bottom diversion part 10 is arranged on the inner bottom wall of the premixing cylinder 8, the lower end of the premixing cylinder 8 is provided with a driving cavity 13, the diffusion speed adjustable driving component 11 is arranged on the inner wall and the upper wall of the driving cavity 13, the dust self-shaking type diffusion device 12 is arranged in the premixing barrel 8 in a sliding manner, the upper wall of the premixing barrel 8 is communicated with a material guide hopper 14, the lower end of the material guide hopper 14 is communicated with a dust self-shaking type diffusion device 12, the material guide hopper 14 is convenient for feeding fluorescent magnetic powder into the dust self-shaking type diffusion device 12, the dust self-shaking type diffusion device 12 drives the fluorescent magnetic powder to diffuse into the premixing barrel 8 under the shaking action generated by air flow, the negative pressure type convection generating assembly 9 generates convection in the premixing barrel 8, thereby the gas in the premixing cylinder 8 is uniformly mixed with the fluorescent magnetic powder, and the air flow fluctuation generated by convection can drive the dust self-shaking type diffusion device 12 to shake up and down, so that the fluorescent magnetic powder falls down from the dust self-shaking type diffusion device 12, the bottom flow guide part 10 is convenient for guiding the airflow, the driving component 11 with adjustable diffusion speed adjusts the size of convection, thereby adjusting the shaking degree of the dust self-shaking type diffusion device 12 and further adjusting the diffusion speed of the fluorescent magnetic powder; a premixing air pump 41 is arranged on the side wall of the premixing barrel 8, an air supply pipe 42 is communicated with the side wall of the premixing barrel 8, two ends of the premixing air pump 41 are respectively connected with the air supply pipe 42 and an output pipe 6, helium stored in the helium storage tank 3 is pumped out through the output pipe 6 and is fed into the premixing barrel 8 through the air supply pipe 42 to be mixed with the fluorescent magnetic powder, an air supply pipe 43 is arranged on one side, close to the visual test chamber 1, of the premixing barrel 8, the air supply pipe 43 is communicated with the upper end of the side wall of the visual test chamber 1, and the air supply pipe 43 is convenient for conveying the helium mixed with the fluorescent magnetic powder into the visual test chamber 1 for simulation test; the air pipe 43 is provided with a one-way throttle valve 44, and the air pipe 43 is provided with an air pump 45.

As shown in fig. 6 and 7, the negative pressure type convection generating assembly 9 includes a drawing cylinder 15, a drawing piston 16, a drawing rod 17, a drawing shifting plate 18 and a return spring 19, the drawing cylinder 15 is communicated with the pre-mixing cylinder 8, the drawing cylinders 15 are circumferentially arranged on the side wall of the pre-mixing cylinder 8 in an array, the drawing piston 16 is slidably arranged in the drawing cylinder 15, one end of the drawing rod 17 is fixedly connected to the side wall of the drawing piston 16, the other end of the drawing rod 17 is slidably arranged outside the drawing cylinder 15 through the side wall of the drawing cylinder 15, the drawing shifting plate 18 is arranged at one end of the drawing rod 17 far away from the drawing piston 16, the return spring 19 is arranged between the drawing shifting plate 18 and the outer wall of the drawing cylinder 15, the driving assembly 11 with adjustable diffusion velocity is in contact with the drawing shifting plate 18, the driving rod 17 is driven by the driving assembly 11 with adjustable diffusion velocity to draw the drawing piston 16 outwards along the drawing cylinder 15, thereby generating negative pressure in the drawing cylinder 15, when the driving component 11 with adjustable diffusion speed is not contacted with the drawing dial plate 18, the return spring 19 drives the drawing rod 17 to quickly return through the drawing dial plate 18, thereby driving the drawing piston 16 to quickly move and return in the drawing cylinder 15, the drawing piston 16 pushes the air flow in the drawing cylinder 15 to quickly discharge into the premixing cylinder 8, a plurality of groups of negative pressure type convection generating components 9 distributed in a circumferential array manner generate a plurality of strands of quickly flowing air flows, the strands of quickly flowing air flows oppositely flow to generate impact and then are converted into radial flowing air flows, the strands of quickly flowing air flows oppositely flow and impact to drive the floating fluorescent magnetic powder to quickly move and mix, when the drawing piston 16 is drawn back again, the negative pressure generated by the drawing piston 16 in the premixing cylinder 8 can drive the mixture of the air and the fluorescent magnetic powder to be drawn back into the drawing cavity, and pushed by the drawing piston 16 continuously, thereby drive gas and the fluorescent powder continuous motion in the premix section of thick bamboo 8 for fluorescent powder fully dispersed and with gas mixing, simultaneously, the continuous pull and the propelling movement of pull piston 16 drive the atmospheric pressure in the premix section of thick bamboo 8 and produce the change, make the dust from shaking formula diffusion device 12 and rock from top to bottom, thereby drive the dust from shaking the fluorescent powder of diffusion device 12 inside and scattering.

As shown in fig. 6 to 8, the diffusion-speed-adjustable driving assembly 11 includes a diffusion motor 20, a sun gear 21, a planetary driven gear 22, a transmission shaft 23, a concentric bevel gear 24, a driven bevel gear 25, and an adjustable poke rod 26, the diffusion motor 20 is disposed in the driving cavity 13, the sun gear 21 is rotatably disposed in the driving cavity 13, the sun gear 21 and the premix barrel 8 are coaxially disposed, the planetary driven gear 22 is rotatably disposed in the driving cavity 13, the planetary driven gears 22 are circumferentially arrayed around the sun gear 21, the planetary driven gears 22 are respectively engaged with the sun gear 21, the transmission cavities 27 are circumferentially arrayed on the upper wall of the driving cavity 13, the transmission cavities 27 are disposed right above the planetary driven gears 22, the lower end of the transmission shaft 23 is coaxially and fixedly connected to the central shaft of the planetary driven gear 22, the middle portion of the transmission shaft 23 rotatably penetrates through the upper wall of the driving cavity 13, the upper end of the transmission shaft 23 is rotatably arranged in a transmission cavity 27, the concentric bevel gear 24 is coaxially and fixedly connected with the upper end of the transmission shaft 23, the side wall of one side of the transmission cavity 27 close to the drawing shifting plate 18 is rotatably provided with a shifting shaft 28, one end of the adjustable shifting rod 26 is fixedly connected with the shifting shaft 28, the driven bevel gear 25 is coaxially and fixedly connected with the shifting shaft 28, the driven bevel gear 25 is arranged in the transmission cavity 27, the driven bevel gear 25 is meshed with the concentric bevel gear 24, the diffusion motor 20 rotates to drive the central gear 21, the central gear 21 drives the planetary driven gear 22 to rotate, the planetary driven gear 22 drives the concentric bevel gear 24 to synchronously rotate through the transmission shaft 23, the concentric bevel gear 24 drives the adjustable shifting rod 26 to rotate around the shifting shaft 28 through the driven bevel gear 25, and the adjustable shifting rod 26 pushes the drawing shifting plate 18 to move away from the drawing cylinder 15 when rotating, when the adjustable poke rod 26 rotates away from the pulling poke plate 18, the pulling poke plate 18 is quickly reset to be close to the pulling cylinder 15 under the action of the reset spring 19; the adjustable poking rod 26 comprises a rotating poking rod 29 and an adjustable screw 30, one end of the rotating poking rod 29 is fixedly connected to the poking shaft 28, the adjustable screw 30 is in threaded connection with the end of the other end of the rotating poking rod 29, the length of the whole adjustable poking rod 26 is adjusted by screwing the adjustable screw 30, the length of the adjustable poking rod 26 is adjusted, the stroke of the pulling rod 17 for pulling the pulling piston 16 to move is adjusted, and the shaking degree of the dust self-shaking type diffusion device 12 is controlled.

Referring to fig. 4-7, the dust self-shaking type diffusion device 12 includes a diffusion slide bar 31, a diffusion chamber 32, a folding hose 33 and a diffusion spring 34, the upper wall of the premixing barrel 8 is provided with a slide through hole 35, the diffusion slide bar 31 slidably penetrates through the slide through hole 35, the diffusion chamber 32 is disposed at the lower end of the diffusion slide bar 31, the diffusion chamber 32 is slidably clamped in the premixing barrel 8, fluorescent magnetic powder is disposed in the diffusion chamber 32, the bottom wall of the diffusion chamber 32 is uniformly distributed with diffusion through holes 36, the upper end of the folding hose 33 is communicated with the lower end of the guide hopper 14, the lower end of the folding hose 33 is communicated with the upper wall of the diffusion chamber 32, the diffusion spring 34 is sleeved on the diffusion slide bar 31, the upper end of the diffusion slide bar 31 is provided with a limit plate 37, the diffusion spring 34 is disposed between the limit plate 37 and the upper wall of the premixing barrel 8 and between the upper wall of the diffusion chamber 32 and the upper wall of the premixing barrel 8, the diffusion spring 34 plays a role of buffering and collision prevention, and can increase the shaking degree of the diffusion chamber 32, the upper end of the guide hopper 14 is provided with a cover 38 in a threaded connection to close the guide hopper 14 and facilitate adding the fluorescent magnetic powder into the diffusion chamber 32; the bottom wall of the diffusion cavity 32 is arranged in an inwards concave circular shape with a high middle part and a low periphery, the bottom flow guide part 10 comprises a central cone part 39 and an annular slope surface 40, the annular slope surface 40 is arranged outside the central cone part 39 in a surrounding mode, the annular slope surface 40 and the central cone part 39 are in arc streamline transition, the annular slope surface 40 and the central cone part 39 are converted into airflow flowing in the radial direction after being impacted, one part of the airflow flows upwards to the bottom wall of the diffusion cavity 32, flows downwards again under the flow guide effect of the inwards concave circular surface of the bottom wall of the diffusion cavity 32, the other part of the airflow flows downwards to the bottom flow guide part 10, flows to the annular slope surface 40 along the central cone part 39 and flows upwards under the flow guide effect of the annular slope surface 40, and mixing is carried out again; air holes 46 are distributed on the upper wall of the premixing barrel 8, a premixing piston 47 is arranged on the upper wall of the diffusion cavity 32, the air supply pipe 42 is communicated with the side wall of the premixing barrel 8 below the premixing piston 47, and the premixing piston 47 prevents helium in the premixing barrel 8 from leaking.

As shown in fig. 2, 9 and 10, in order to facilitate the recovery of helium, a recovery pre-inspection chamber 58 is communicated with and arranged on the side wall of the visual test chamber 1 from the upper wall to the side wall with the higher height of the lower wall of the visual test chamber 1, a second helium sensor is arranged in the recovery pre-inspection chamber 58, a recovery pipe 60 is communicated with and arranged on the side wall of the recovery pre-inspection chamber 58 away from the visual test chamber 1, a recovery solenoid valve 61 is arranged on the recovery pipe 60, the second helium sensor detects the concentration of helium in the recovery pre-inspection chamber 58, when the concentration of helium in the recovery pre-inspection chamber 58 is lower than a preset value, a signal is sent to trigger the recovery solenoid valve 61 to close, so that air is prevented from flowing into the recovery pipe 60, and the recovery pipe 60 is connected with the helium dust self-separation and recovery mechanism 4; the lower end of the side wall of one side of the visual test chamber 1 is communicated with an inflation tube 56, an inflation pump 57 is arranged on the inflation tube 56, and the inflation pump 57 is convenient for inflating outside air upwards from the lower end of the visual test chamber 1 through the inflation tube 56.

Referring to fig. 9 and 10, a plurality of groups of helium dust self-separation and recovery mechanisms 4 are arranged on the side wall of the visual test chamber 1, the plurality of groups of helium dust self-separation and recovery mechanisms 4 are sequentially connected from top to bottom, the helium dust self-separation and recovery mechanism 4 comprises a separation chamber 63, a separation air inlet pipe 64, a separation exhaust pipe 65 and an arc-shaped bulge 66, the separation chamber 63 is arranged on the side wall of the visual test chamber 1, the separation air inlet pipe 64 is communicated with the upper wall of the separation chamber 63, the separation exhaust pipe 65 is communicated with the lower wall of the separation chamber 63, the arc-shaped bulge 66 is arranged on the inner wall of the separation chamber 63, the arc-shaped bulge 66 is arranged between the separation air inlet pipe 64 and the separation exhaust pipe 65, a threaded connection pipe 67 is arranged on one side of the side wall of the separation chamber 63, the threaded connection pipe 67 is communicated with the separation chamber 63, and a sealing cover 68 is arranged on the threaded connection pipe 67 in a sealing manner, the inner wall of the sealing cover 68 is provided with a cylindrical collecting magnet 69, the collecting magnet 69 penetrates through the threaded connecting pipe 67 and is arranged in the separation cavity 63, helium of residual fluorescent magnetic powder flows into the separation cavity 63 through the recovery pipe 60 and the separation air inlet pipe 64, according to the coanda effect, when the helium flows to the arc-shaped convex part 66, the helium tends to flow along with the surface of the convex arc-shaped convex part 66, the fluorescent magnetic powder in the helium is adsorbed to the surface of the collecting magnet 69 under the magnetic force and inertia effect, so that the helium and dust are self-separated, the uppermost helium dust self-separation and recovery mechanism 4 in the multiple groups of helium dust self-separation and recovery mechanisms 4 is connected with the recovery pipe 60, the multiple groups of helium dust self-separation and recovery mechanisms 4 at the bottom of the helium dust self-separation and recovery mechanisms 4 are connected with the helium storage tank 3 through a pipeline, and pure helium separated from the fluorescent magnetic powder flows back to the helium storage tank 3, an exhaust check valve is arranged on a separation exhaust pipe 65 of the lowermost helium dust self-separation and recovery mechanism 4 to prevent helium in the helium storage tank 3 from flowing back.

As shown in fig. 1-fig. 3, 1 upper wall of visual test cabin is equipped with control terminal 70, and 1 inner wall of visual test cabin is equipped with video acquisition camera 59, control terminal 70 includes controller and wiFi transmission module 62, the controller respectively with video acquisition camera 59, wiFi transmission module 62, helium sensor one 55, exhaust solenoid valve 54, helium sensor two, retrieve solenoid valve 61 electric connection, video acquisition camera 59 gathers 1 inside image of visual test cabin and transmits the internet through wiFi transmission module 62, convenient long-range looking over and further image contrast analysis, 1 inside supply socket that is equipped with of visual test cabin.

When the device is used, the sealed cabin door 50 is opened, an air purifier to be detected is placed into the visual test cabin 1, a power plug of the air purifier is inserted into a power socket to supply power to the air purifier for starting, the sealed cabin door 50 is closed, the cover 38 is screwed, fluorescent magnetic powder is added into the diffusion cavity 32 through the material guide hopper 14, the cover 38 is covered again to close the material guide hopper 14, the premixing air pump 41 and the diffusion motor 20 are started, the premixing air pump 41 pumps helium stored in the helium storage tank 3 out through the output pipe 6 and sends the helium into the premixing barrel 8 through the air supply pipe 42 to be mixed with the fluorescent magnetic powder, the diffusion motor 20 rotates to drive the central gear 21 to rotate, the central gear 21 drives a plurality of sets of planetary driven gears 22 to rotate, the planetary driven gears 22 drive the concentric bevel gears 24 to synchronously rotate through the transmission shaft 23, the concentric bevel gears 24 drive the adjustable poking rod 26 to circumferentially rotate around the poking shaft 28 through the driven bevel gears 25, the poking plate 18 is pushed to move away from the pulling barrel 15 when the adjustable poking rod 26 rotates, the poking rod 17 pulls the pulling piston 16 to generate a plurality of quick return airflow, and the quick return airflow generated by the quick return of the multiple sets of the quick return airflow generated by the quick return springs to impact in the quick return of the quick return pull cylinder 15, when the quick return airflow generated by the quick return of the quick return air flow in the quick return pull cylinder 16, the quick return of the quick return type return air flow in the quick return pull cylinder 16, the gas flows are converted into radial flowing gas flows after the collision, one part of the gas flows upwards to the bottom wall of the diffusion cavity 32 and flows downwards again under the guide action of the concave circular surface in the bottom wall of the diffusion cavity 32, the other part of the gas flows downwards to the bottom guide part 10, flows to the annular slope surface 40 along the central cone part 39 and flows upwards under the guide action of the annular slope surface 40, the gas and the fluorescent magnetic powder are mixed again, when the drawing piston 16 is drawn back again, the negative pressure generated by the drawing piston 16 in the premixing cylinder 8 drives the mixture of the gas and the fluorescent magnetic powder to be drawn back into the drawing cavity, the gas and the fluorescent magnetic powder in the premixing cylinder 8 are driven to continuously move through the continuous drawing and pushing of the drawing piston 16, so that the fluorescent powder is fully dispersed and uniformly mixed with the gas, meanwhile, the drawing piston 16 is continuously drawn and pushed, the gas pressure in the premixing cylinder 8 is driven to change, and the diffusion cavity 32 shakes up and down, so as to drive the fluorescent magnetic powder in the diffusion cavity 32 to scatter, the diffusion spring 34 plays a role in buffering and collision avoidance, and simultaneously the shaking degree of the diffusion cavity 32 can be increased, after the helium gas and the fluorescent magnetic powder are fully mixed, the gas transmission pump 45 and the ultraviolet lamp 48 are started, the gas transmission pump 45 transmits the helium gas mixed with the fluorescent magnetic powder into the visual test chamber 1 through the gas transmission pipe 43 for simulation test, because the density of the helium gas is less than that of air, after the helium gas is filled into the visual test chamber 1, the helium gas can discharge the air in the visual test chamber 1 from the exhaust pipe 53 at the bottom end, the controller controls the first helium gas sensor 55 to detect the helium gas concentration in the exhaust pipe 53 in real time, after the air is completely discharged from the visual test chamber 1, the first helium gas sensor 55 detects that the helium gas concentration exceeds a threshold value, a signal is sent to trigger the exhaust electromagnetic valve 54 to close, so as to prevent the high-concentration leakage of the helium gas, the air purifier filters the helium that has mixed fluorescent magnetic powder in visual test cabin 1, under the irradiation of ultraviolet lamp 48, fluorescent magnetic powder is yellow green, thereby it is visual in the helium, through observing the motion of fluorescent magnetic powder in visual test cabin 1 and the change of concentration thereof, thereby the change of dust granule in the air is directly perceived dynamic's show in the actual work to air purifier, it is tangible to change intangible, make air purifier's effect visual and visual, consumer can look up air purifier's purification effect in real time, provide reliable and audio-visual reference for consumer, protective glass 52 can effectively protect the ultraviolet ray, UVS-40 (TP-9940) ultraviolet protection and fluorescence enhancement glasses are the yellow green colour unanimity for the fluorescence that produces that receives UV excitation through colour temperature and fluorescent magnetic powder simultaneously, be convenient for observe, the user also can pass through internet and wiFi transmission module 62 long-range transmission order for the controller, control video acquisition camera 59 gathers the video image of visual test cabin 1 inside and transmits on the internet through wiFi transmission module 62, make things convenient for long-range looking over and further image comparison analysis.

After the test is finished, the premixing air pump 41, the diffusion motor 20 and the air delivery pump 45 are closed, the air inflation pump 57 is started, the recovery electromagnetic valve 61 is opened, the outside air is inflated upwards from the lower end of the visual test chamber 1 through the inflation pipe 56 by the air inflation pump 57, so that the helium in the visual test chamber 1 is discharged into the recovery pre-detection cavity 58 through the recovery pipe 60 at the upper end and is sent into the separation cavity 63 through the recovery pre-detection cavity 58 and the separation air inlet pipe 64, the controller controls the helium sensor II to detect the helium concentration in the recovery pre-detection cavity 58 in real time, when the helium concentration in the recovery pre-detection cavity 58 is lower than a preset value, a signal is sent to trigger the recovery electromagnetic valve 61 to be closed to prevent the air from flowing into the recovery pipe 60, helium of residual part fluorescence magnetic powder flows into separation chamber 63 through recovery tube 60 and separation intake pipe 64 after air purifier filters, according to the conda effect, when helium flows to arc bellying 66, can have the tendency along with convex arc bellying 66 surface flow, and fluorescence magnetic powder in the helium then adsorbs to collecting magnet 69 surface under magnetic force and inertial action, thereby realize the self-separation of helium and dust, helium realizes the thorough separation with fluorescence magnetic powder through multiunit helium dust self-separation recovery mechanism 4, and remaining fluorescence magnetic powder is then collected through collecting magnet 69, pure helium after separating with fluorescence magnetic powder flows back to helium storage tank 3 in through separation blast pipe 65, realize the recycle of helium and fluorescence magnetic powder.

In order to guarantee the safe in utilization of device, 1 outer wall in visual test cabin lays three helium sensors and bee calling organ, three helium sensors and bee calling organ and controller electric connection, three real-time detection all ring edge borders helium concentration of controller control helium sensor avoid the helium to leak, and when helium concentration exceeded the threshold value in the environment, controller control bee calling organ sent out the police dispatch newspaper and sent alarm information for maintenance personal through wiFi transmission module 62 to make maintenance personal overhaul fast.

Through the fluorescent magnetic powder that drops into different particle diameters in to diffusion chamber 32, conveniently grade air purifier particulate matter purification performance, thereby adjust the stroke that pull pole 17 pulling pull piston 16 removed through the length of adjusting adjustable poker rod 26, and then control the dust and shake the degree of rocking of formula diffusion equipment 12 certainly to the concentration of fluorescent magnetic powder in the regulation helium.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides an air purifier testing arrangement based on internet which characterized in that: the device comprises a visual test cabin, a multidirectional convection type dust premixing mechanism, a helium storage tank and a helium dust self-separation recovery mechanism, wherein the multidirectional convection type dust premixing mechanism is arranged on the side wall of the visual test cabin, the helium storage tank is arranged on one side of the visual test cabin, the upper wall of the helium storage tank is respectively communicated with an input pipe and an output pipe, the helium dust self-separation recovery mechanism is arranged on the side wall of the visual test cabin, the helium dust self-separation recovery mechanism is communicated between the visual test cabin and the input pipe, the multidirectional convection type dust premixing mechanism is communicated between the output pipe and the visual test cabin, the multidirectional convection type dust premixing mechanism comprises a support base, a premixing barrel, a negative pressure type convection generation assembly, a bottom guide part, a diffusion speed adjustable driving assembly and a dust self-shaking type diffusion device, the support base is arranged on the outer wall of the visual test cabin, the premixing barrel is arranged on the support base, the negative pressure type convection generation assembly is circumferentially distributed on the side wall of the premixing barrel, the negative pressure type convection generation assembly is communicated with the premixing barrel, the bottom guide part is arranged on the inner bottom wall of the premixing barrel, the premixing barrel is arranged on the lower end of the premixing barrel, the diffusion speed adjustable driving assembly and the upper wall of the diffusion driving assembly, the premixing barrel are communicated with the lower end of the dust guide device, and the lower end of the dust guide device in the premixing barrel are arranged in the dust guide device; the upper wall of the visual test chamber is obliquely arranged, and ultraviolet lamps are uniformly distributed on the upper wall of the visual test chamber; visual test cabin upper wall is equipped with control terminal, and visual test cabin inner wall is equipped with the video acquisition camera, control terminal includes controller and wiFi transmission module, the controller respectively with video acquisition camera, wiFi transmission module electric connection.

2. The internet-based air purifier testing arrangement of claim 1, wherein: the visual test cabin is characterized in that a plurality of groups of helium dust self-separation and recovery mechanisms are arranged on the side wall of the visual test cabin, the plurality of groups of helium dust self-separation and recovery mechanisms are sequentially connected from top to bottom, each helium dust self-separation and recovery mechanism comprises a separation cavity, a separation air inlet pipe, a separation exhaust pipe and an arc-shaped bulge, the separation cavity is arranged on the side wall of the visual test cabin, the separation air inlet pipe is communicated with the separation cavity, the separation exhaust pipe is communicated with the separation cavity, the separation cavity lower wall is arranged on the separation exhaust pipe, the arc-shaped bulge is arranged on the inner wall of the separation cavity, the arc-shaped bulge is arranged between the separation air inlet pipe and the separation exhaust pipe, one side, far away from the arc-shaped bulge, of the side wall of the separation cavity is provided with a threaded connecting pipe, the threaded connecting pipe is communicated with the separation cavity, a sealing cover is arranged on the threaded connecting pipe, the inner wall of the sealing cover is provided with a collecting magnet which is cylindrically arranged, the collecting magnet penetrates through the threaded connecting pipe and is arranged in the separation cavity, the uppermost helium dust self-separation and recovery mechanism of the plurality of the helium dust self-separation and recovery mechanisms is connected with the visual test cabin, and the lowest helium dust self-separation and recovery mechanisms of the plurality of the groups of the helium dust self-separation and recovery mechanisms are connected with a helium storage tank through pipelines.

3. The internet-based air purifier testing arrangement of claim 2, wherein: negative pressure formula convection current produces subassembly and dials board and reset spring including a pull section of thick bamboo, pull piston, pull pole, pull, a pull section of thick bamboo and mixes a intercommunication in advance, pull section of thick bamboo circumference array distribution locate on mixing a section of thick bamboo lateral wall in advance, the pull piston slides and locates in the pull section of thick bamboo, the one end rigid coupling of pull pole is located on the pull piston lateral wall, and the other end of pull pole slides and runs through pull section of thick bamboo lateral wall and locate the pull section of thick bamboo outside, the pull dials the board and locates the pull pole and keep away from the one end of pull piston, and reset spring locates between pull group board and the pull section of thick bamboo outer wall, drive assembly with adjustable diffusion rate dials the board and touches with the pull and connect.

4. The internet-based air purifier testing arrangement of claim 3, wherein: the dust self-shaking type diffusion device comprises a diffusion slide bar, a diffusion cavity, a folding hose and a diffusion spring, wherein the upper wall of a premixing barrel is provided with sliding through holes, the diffusion slide bar penetrates through the sliding through holes in a sliding mode, the diffusion cavity is arranged at the lower end of the diffusion slide bar, the diffusion cavity is arranged in the premixing barrel in a sliding clamping mode, fluorescent magnetic powder is arranged in the diffusion cavity, the diffusion through holes are uniformly distributed in the bottom wall of the diffusion cavity, the upper end of the folding hose is communicated with the lower end of a guide hopper, the lower end of the folding hose is communicated with the upper wall of the diffusion cavity, the diffusion spring is sleeved on the diffusion slide bar, a limiting plate is arranged at the upper end of the diffusion slide bar, the diffusion spring is arranged between the limiting plate and the upper wall of the premixing barrel and between the upper wall of the diffusion cavity and the upper wall of the premixing barrel, and a cover body is arranged at the upper end of the guide hopper in a threaded connection mode.

5. The internet-based air purifier testing arrangement of claim 4, wherein: diffusion chamber diapire is the circular setting of indent that middle height and low all around, bottom water conservancy diversion portion includes central pyramis and annular slope, the annular slope encircles locates the central pyramis outside, the streamlined transition of annular slope and central pyramis circular arc.

6. The internet-based air purifier testing arrangement of claim 3, wherein: the diffusion speed adjustable driving assembly comprises a diffusion motor, a central gear, a planetary driven gear, a transmission shaft, a concentric bevel gear, a driven bevel gear and an adjustable poking rod, wherein the diffusion motor is arranged in the driving cavity, the central gear is arranged in the driving cavity in a rotating manner, the central gear and a premixing barrel are arranged in a coaxial manner, the planetary driven gear is arranged in the driving cavity in a rotating manner, the planetary driven gear is distributed in a circumferential array manner around the central gear, the planetary driven gear is respectively meshed with the central gear, the driving cavity is arranged in a circumferential array manner on the upper wall of the driving cavity, the driving cavity is arranged right above the planetary driven gear, the lower end of the transmission shaft is fixedly connected with the central shaft part of the planetary driven gear in a rotating manner, the middle of the transmission shaft penetrates through the upper wall of the driving cavity, the upper end of the transmission shaft is rotatably arranged in the driving cavity, the concentric bevel gear is fixedly connected with the upper end of the transmission shaft, a poking shaft is rotatably arranged on the side wall of the transmission cavity close to the pulling poking plate, one end of the adjustable poking rod is fixedly connected with the poking shaft, the driven bevel gear is coaxially connected with the poking shaft, and arranged on the poking shaft, and arranged in the driven bevel gear in the transmission cavity, and meshed with the concentric bevel gear.

7. The internet-based air purifier testing arrangement of claim 6, wherein: the adjustable poke rod comprises a rotating poke rod and an adjustable screw rod, one end of the rotating poke rod is fixedly connected to the poke shaft, and the adjustable screw rod is in threaded connection with the end of the other end of the rotating poke rod.

8. The internet-based air purifier testing arrangement of claim 1, wherein: the visual testing cabin is characterized in that a placing opening is formed in the side wall of the visual testing cabin, a sealed cabin door is hinged to the placing opening, an observation window is arranged on the sealed cabin door, and protective glasses are arranged in the observation window in a sealed mode.

9. The internet-based air purifier testing arrangement of claim 4, wherein: visual test cabin upper wall is equipped with the recovery preliminary examination chamber to the intercommunication on the high one side lateral wall of visual test cabin lower wall, it is equipped with helium sensor two to retrieve the preliminary examination intracavity, it is equipped with the recovery tube to retrieve the one side lateral wall intercommunication that visual test cabin was kept away from in the preliminary examination chamber, is equipped with the recovery solenoid valve on the recovery tube, and the helium dust self-segregation recovery mechanism of the top in the multiunit helium dust self-segregation recovery mechanism links to each other with the recovery tube, and the helium dust self-segregation recovery mechanism's of below is equipped with the exhaust check valve on the separation blast pipe.

10. The internet-based air purifier testing arrangement of claim 9, wherein: a premixing air pump is arranged on the side wall of the premixing barrel, an air supply pipe is communicated with the side wall of the premixing barrel, two ends of the premixing air pump are respectively connected with the air supply pipe and an output pipe, an air supply pipe is arranged on one side, close to the visual testing cabin, of the premixing barrel, and the air supply pipe is communicated with the upper end of the side wall of the visual testing cabin; the gas pipe is provided with a one-way throttle valve and a gas pump; air holes are distributed on the upper wall of the premixing barrel, a premixing piston is arranged on the upper wall of the diffusion cavity, and the air supply pipe is communicated below the premixing piston; an exhaust pipe is communicated with the bottom end of the side wall of the visual test cabin, an exhaust electromagnetic valve is arranged on the exhaust pipe, and a first helium sensor is arranged on the exhaust pipe; the lower extreme intercommunication of visual test cabin one side lateral wall is equipped with the gas tube, be equipped with on the gas tube and aerify the air pump, the controller respectively with helium sensor one, exhaust solenoid valve, helium sensor two, retrieve solenoid valve electric connection.

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