CN108956396B - Dust detection and purification device - Google Patents
Dust detection and purification device Download PDFInfo
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- CN108956396B CN108956396B CN201810247471.0A CN201810247471A CN108956396B CN 108956396 B CN108956396 B CN 108956396B CN 201810247471 A CN201810247471 A CN 201810247471A CN 108956396 B CN108956396 B CN 108956396B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0032—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions using electrostatic forces to remove particles, e.g. electret filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- General Health & Medical Sciences (AREA)
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention belongs to the field of detection devices, and particularly discloses a dust detection and purification device which comprises a rack, wherein a driving roller and a driven roller are rotationally connected to the rack, the driving roller and the driven roller are both in a circular truncated cone shape and have consistent sizes, and the driving roller and the driven roller are reversely arranged; the driven roller is sleeved with a first protruding block and a second protruding block, a belt for transmission is arranged between the driving roller and the driven roller, the belt is positioned between the first protruding block and the second protruding block, and a magnetic block is arranged on the belt; a fiber filter cloth is arranged at one side of the piston, which is far away from the piston rod, in the cavity of the driving roller, a through hole which is matched with the feeding hole and communicated with the cavity is arranged on the driven roller, and a through hole which is matched with the discharging hole and communicated with the cavity is also arranged on the driven roller; and a detection unit is arranged on one side of the cavity of the driving roller, which is close to the small-diameter end of the driving roller. By adopting the scheme of the invention, the requirement of timely purification after dust detection is finished is met.
Description
Technical Field
The invention belongs to the field of detection devices, and particularly relates to a dust detection and purification device.
Background
Dust (dust) refers to solid particles suspended in air, and is also called dust, dirt, soot, mine dust, sand dust, powder, etc., and these terms have no obvious limit. The international organization for standardization stipulates that dust is defined as a solid suspension having a particle size of less than 75 μm. In life and work, productive dust is a natural enemy of human health and a main cause of various diseases, and among them, dust formed in connection with the production process is called productive dust.
When a new house is decorated, a lot of decoration dust can be generated, the decoration dust is one of production dust, and before the new house is moved, whether the dust content in the house exceeds the standard needs to be detected. Dust detector of prior art generally adopts photosensitive sensor to detect, and when dust concentration was higher, the light took place the refraction after passing through the dust, and the light signal that photosensitive sensor received reduces, turns into the signal of telecommunication through light signal, sends the police dispatch newspaper to remind people to open the window and ventilate.
The above device has the following problems: 1. under the conditions of large overall space and less dust, the light refraction is weak, the change of light signals is small, the alarm cannot be triggered possibly, and the dust cannot be purified in time, but even if the dust is less, the harm is great for the old or children in the family who have weak resistance; 2. when a person with inconvenient actions at home has an alarm, the window can not be opened for ventilation in time after the alarm is given, and the dust can not be purified in time, so that more dust is generated at the moment, and great harm can be caused.
Disclosure of Invention
The invention aims to provide a dust detection and purification device to meet the requirement that purification can be realized in time after a purification critical value is reached during dust detection.
In order to achieve the purpose, the basic scheme of the invention is as follows: the dust detection and purification device comprises a rack, wherein a driving roller and a driven roller are rotatably connected to the rack, the driving roller and the driven roller are both in a circular truncated cone shape and consistent in size, and the driving roller and the driven roller are arranged in opposite directions; the driven roller is sleeved with a first protruding block and a second protruding block, the first protruding block and the second protruding block are fixedly connected to the rack, the first protruding block is close to the large-diameter end of the driven roller, the second protruding block is close to the small-diameter end of the driven roller, a belt for transmission is further arranged between the driving roller and the driven roller, the belt is located between the first protruding block and the second protruding block, and a magnetic block is arranged on the belt; a discharge port is formed in the lower end of the first bump, a feed port is formed in the upper end of the second bump, a feeder used for storing fiber balls is arranged on the rack and positioned at the feed port, a magnetic inserting plate is connected to the bottom of the feeder in a sliding mode, and a spring is fixed between the inserting plate and the rack; two cylindrical cams are fixedly connected to one side, close to the large-diameter end of the driving roller and one side, close to the small-diameter end of the driven roller, of the rack, cavities are formed in the driving roller and the driven roller, pistons are connected to one side, close to the cylindrical cams, of the second bump in the cavities in a sliding mode, piston rods are arranged on the pistons, and one ends, far away from the pistons, of the two piston rods are connected into spiral grooves of the cylindrical cams in a sliding mode respectively; a fiber filter cloth is arranged on one side, away from the piston rod, of the piston in the cavity of the driving roller, a support rod is arranged on one side, away from the piston, of the fiber filter cloth in the driving roller, a balancing weight is connected to the support rod in a sliding manner, a third protruding block is fixed to the fiber filter cloth on the frame, the third protruding block is sleeved on the driving roller, a first dust outlet is arranged at the lower end of the third protruding block, a second dust outlet matched with the first dust outlet is arranged at two ends, located on the support rod, of the driving roller, the second dust outlet is communicated with the cavity, and a collecting box is arranged below the third protruding block; a spiral conveying channel is arranged on the inner wall of the cavity of the driven roller, a through hole matched with the feeding hole and communicated with the cavity is formed in the driven roller, and a through hole matched with the discharging hole and communicated with the cavity is also formed in the driven roller; a detection unit is arranged on one side, close to the small-diameter end of the driving roller, in the cavity of the driving roller and comprises a laser emitter and a photoresistor which are symmetrically arranged along the axis of the driving roller, a power supply is connected in series on the photoresistor, an ammeter is connected in parallel on the photoresistor, an electromagnet for attracting the plugboard and the magnetic block is also connected in parallel on the photoresistor, and the electromagnet is arranged on one side, close to the large-diameter end of the driving roller, on the rack; the small diameter end of the driving roller and the large diameter end of the driven roller are both provided with air inlets communicated with the cavity, the side walls of the driving roller and the driven roller, which are close to the two ends of the piston, are both provided with air outlets communicated with the cavity, and the small diameter end of the driven roller is circumferentially provided with a plurality of blades.
The working principle of the basic scheme is as follows:
the dust detection principle is as follows: the driving roller rotates, the piston rotates along with the driving roller, the piston rod rotates along with the piston, the piston rod rotates relative to the cylindrical cam, the piston rod and the cylindrical cam form a cam mechanism, the piston rod makes reciprocating linear motion along with the rotation of the spiral groove of the cylindrical cam, and the piston makes reciprocating linear motion along with the piston rod. The piston and the cavity form a piston structure, and the piston slides in the cavity in a reciprocating manner to realize air inlet and outlet of the cavity. The gas enters from the small-diameter end of the driving roller and moves towards the large-diameter end of the driving roller, the laser emitter refracts through the entering gas, different refraction angles are different according to dust concentration, light intensity thrown on the photosensitive resistor changes, the resistance value of the photosensitive resistor changes according to the intensity of light, the photosensitive resistor is connected with the ammeter in parallel, voltage passing through the photosensitive resistor and the ammeter is constant, when the resistance value of the photosensitive resistor changes, current passing through the photosensitive resistor also changes, correspondingly, current passing through the ammeter changes, and the concentration of dust can be determined through the numerical value displayed by the ammeter.
The purification principle when the dust is less is as follows: the belt is in an initial state between the small-diameter end of the driving roller and the large-diameter end of the driven roller, the diameter ratio of the driving roller to the driven roller is equal to the rotation ratio of the driven roller to the driving roller according to a transmission ratio formula of belt transmission, and the rotation speed of the driven roller is lower at the moment. The purification process at this moment is mainly realized through the drive roll, and the dust that enters into the cavity of drive roll passes through the fibre filter cloth, and the dust of large granule inlays in the hole on the fibre filter cloth, and the dust of small granule passes through the fibre filter cloth, because the piston slides in the cavity always, the friction before piston and the cavity inner wall produces static, and the dust through the fibre filter cloth is adsorbed on the cavity inner wall by static. The branch also rotates along with the drive roll, and the balancing weight rotates along with branch, and when branch rotated to vertical state, the balancing weight received the action of gravity gliding, scrapes the dust on the fibre filter cloth down, and the dust is discharged after second dust export and first dust export in the collection box.
The purification principle when dust is more is as follows: when the dust is more, the light refraction angle is too large, the light thrown on the photoresistor is weaker, the resistance value of the photoresistor is increased, and correspondingly, the current of the electromagnet connected with the photoresistor in parallel is increased, so that the electromagnet can be started. The electromagnet attracts the magnetic blocks on the belt, which moves axially along the drive roll and the driven roll. Because the driving roller and the driven roller are completely same in shape and size and are arranged in opposite directions, and the belt is used for transmission to form the continuously variable transmission, according to the continuously variable transmission principle, the belt moves along the axial direction of the driving roller and the driven roller, the speed can be changed in the movement process, and the transmission ratio of the driving roller and the driven roller is also changed in the speed change range. The belt moves from the small diameter end of the driving roller to the large diameter end of the driven roller from the large diameter end of the driving roller to the small diameter end of the driven roller, and the rotating speed of the driven roller is gradually increased. The principle of air inlet and air outlet realized by piston motion in the driven roller is consistent with that of the driving roller, and because the rotating speed of the driven roller is high, the reciprocating motion speed of the piston is high, the air inlet and air outlet speeds are high, most of air enters the driven roller, and therefore the purification process at the moment is mainly realized by the driven roller.
The electromagnet also attracts the inserting plate to slide, the bottom of the feeder is opened, when the through hole in the driven roller rotates to coincide with the feeding port, the fiber balls fall into the driven roller, the fiber balls move from the small-diameter end to the large-diameter end of the driven roller along the spiral conveying pipeline, and when the through hole of the driven roller rotates to coincide with the discharging port, the fiber balls can be discharged. The dust gets into the cavity of driven voller, moves from big footpath end to path end, according to the Bernoulli's equation, and the velocity of flow crescent, and in the cavity was constantly fallen from the path end to the fibre ball, collided with the faster dust of velocity of flow, can fully adsorb the dust, and fibre ball and dust move in opposite directions in addition, and adsorption effect is better.
Meanwhile, the rotating speed of the blades is increased along with the driven roller, the flowing speed of the air flow is driven to be high, and the ventilation effect is better by matching with windowing.
The beneficial effect of this basic scheme lies in:
1. the dust concentration is determined by using the numerical value displayed by the ammeter, and the resistance of the ammeter can be ignored, so that the ammeter can sense even a very weak current, and the ammeter can also test the dust concentration under the condition of very low dust concentration. And when detecting the dust, the dust enters from the small-diameter end of the driving roll and flows to the large-diameter end of the driving roll along with the gas, according to the Bernoulli equation, the gas flows from the small-diameter end to the large-diameter end, the flow speed is gradually reduced, negative pressure is easily formed at the small-diameter end, dust accumulation is caused, the refraction angle of the laser is large when the laser passes through the dust, the intensity change of the light is large, the converted electric signal is obvious, and people are easily reminded that dust exists in a room.
2. According to the Bernoulli equation, dust enters the driven roller and flows towards the small-diameter end of the driven roller, the dust is easily accumulated at the small-diameter end of the driven roller, the fiber balls enter the small-diameter end of the driven roller and collide with the accumulated dust, the dust can be fully adsorbed, and in the cavity of the driven roller, the dust and the fiber balls move in opposite directions, and the adsorption effect is better.
3. The first lug and the second lug are arranged, so that the sliding range of the belt is limited on one hand, and the belt is prevented from falling off between the driving roller and the driven roller; on the other hand, the feeding and discharging of the fiber balls are realized, when the dust concentration is higher, the fiber balls can be automatically replaced, the fiber balls adsorbing dust can be discharged in time, and the phenomenon that the used fiber balls are accumulated in the cavity to influence the new fiber balls to enter and influence the purification effect is avoided.
4. The belt-driven stepless speed change mechanism is utilized, when the dust concentration is higher, the rotating speed of the driven roller is increased, firstly, the moving stroke of the piston is increased, and the air inlet speed and the air outlet speed are increased; secondly, the rotating speed of the driven roller is increased, the time for the through hole to coincide with the feeding hole is shortened, the speed for the fiber balls to enter the cavity is increased, and the speed for the gas to enter and exit in the cavity is increased in a matched manner, so that the purification speed can be increased; thirdly, the rotating speed of the blades along with the driven roller is increased, the air flow speed is increased, and the ventilation effect is better by matching with windowing.
Furthermore, a buzzer is also connected in series at the ammeter. When the dust concentration is larger, the current triggers the buzzer to remind people to open the window for ventilation.
Furthermore, the photoresistor is also connected in series with a switch, and the switch is fixed on the outer wall of the driving roller. When the detection is needed, the switch is closed, the circuit can be communicated, and the switch is arranged on the outer wall of the driving roller, so that the operation is convenient.
Furthermore, the bottom of the rack is rotatably connected with traveling wheels, so that the moving device can conveniently detect the dust concentration at different positions.
Further, a sealing plate is arranged at the top of the feeder. The feeder is in a sealed state, and in the process that the device moves to a working place, the contact between the fiber balls and air can be avoided to adsorb impurities, so that the subsequent dust purification cannot be well carried out.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a driving roller 1, a driven roller 2, a first lug 3, a second lug 4, a feeder 5, an inserting plate 6, a blade 7, a piston 8, a piston rod 9, fiber filter cloth 10, a belt 11, a third lug 12, a balancing weight 13, a support rod 14 and a cylindrical cam 15.
As shown in figure 1, the dust detection and purification device comprises a frame, wherein the bottom of the frame is rotatably connected with a traveling wheel. The frame is connected with a driving roller 1 and a driven roller 2 which are arranged in opposite directions in a rotating mode, the driving roller 1 and the driven roller 2 are both in a circular truncated cone shape and consistent in size, a motor is further arranged on the frame, and an output shaft of the motor is fixedly connected with the right end of the driving roller 1. The left end of the driving roller 1 is a small-diameter end, and the right end of the driving roller is a large-diameter end; the left end of the driven roller 2 is a large-diameter end, and the right end of the driven roller is a small-diameter end. A belt 11 for transmission is arranged between the driving roller 1 and the driven roller 2, a magnetic block is arranged on the belt 11, an electromagnet is arranged at the right end of the rack, and after the electromagnet is electrified, the magnetic pole of the side opposite to the magnetic block is opposite. The driving roller 1 and the driven roller 2 form a continuously variable transmission, the speed can be changed in the process of transverse movement of the belt 11, and the transmission ratio of the driving roller 1 and the driven roller 2 is changed all the time in the speed change range.
All be equipped with the cavity in drive roll 1 and the driven voller 2, the cavity all includes the toper section and is located the cylindricality end on toper section right side, and the toper section right side of drive roll 1 is big footpath end, and the toper section right side of driven voller 2 is the path end. Equal sliding connection has piston 8 in the cylindricality section, and piston 8 adopts the rubber material, and the inner wall of cylindricality section is equipped with the glass layer, and piston 8's right side fixedly connected with piston rod 9, the right-hand member of piston rod 9 are equipped with the guide block, and frame right-hand member fixedly connected with is a cylinder cam 15 even, and two guide blocks are sliding connection respectively in the helicla flute of cylinder cam 15.
The left ends of the driving roller 1 and the driven roller 2 are respectively provided with an air inlet communicated with the cavity, the side walls of the driving roller 1 and the driven roller 2 are respectively provided with an air outlet communicated with the cavity, an air inlet one-way valve used for enabling outside air to enter the cavity is arranged in the air inlet, and an air outlet one-way valve used for enabling the air in the cavity to be discharged to the outside is arranged in the air outlet. The driving roller 1 rotates, the piston 8 rotates along with the driving roller 1, the piston rod 9 rotates along with the piston 8, the guide block at the right end of the piston rod 9 rotates relative to the cylindrical cam 15, the guide block and the cylindrical cam 15 form a cam mechanism, the guide block drives the piston rod 9 to rotate along with the spiral groove of the cylindrical cam 15 to do reciprocating linear motion, and the piston 8 does reciprocating linear motion along with the piston rod 9. The piston 8 and the cavity form a piston 8 structure, and the piston 8 slides in the cavity in a reciprocating manner to realize air inlet and air outlet of the cavity.
A detection unit is arranged in a cavity of the driving roller 1 and comprises a laser emitter arranged on the upper side of the left end of the cavity and a photoresistor which is symmetrical to the laser emitter along the axis of the driving roller 1. The photoresistor is connected in series with a power supply and a switch, the photoresistor is also connected in parallel with the electromagnet, the electromagnet is also connected in series with a current meter and a buzzer, and the switch is fixedly connected to the outer wall of the driving roller 1. The left end that gaseous follow drive roll 1 got into, to the right-hand member motion of drive roll 1, laser emitter takes place the refraction through the gaseous emergence of entering, and different refraction angles according to dust concentration are different, the light intensity of throwing on the photo resistance changes, the photo resistance changes according to the strong and weak resistance of light, photo resistance and ampere meter are parallelly connected, voltage through photo resistance and ampere meter is certain, when the photo resistance changes, the electric current through photo resistance department also changes, it is corresponding, through the ampere meter, the electric current of electro-magnet department changes, the concentration of dust can be confirmed through the numerical value that the ampere meter shows. When the dust is more, the light refraction angle is too large, the light projected on the photoresistor is weaker, the resistance value of the photoresistor is increased, and correspondingly, the current at the electromagnet is enhanced to be enough to start the electromagnet.
A fiber filter cloth 10 is arranged between the laser emitter and the piston 8 in the cavity of the driving roller 1, a supporting rod 14 is fixed in the cavity on the left side of the fiber filter cloth 10, a balancing weight 13 is connected to the supporting rod 14 in a sliding mode, the balancing weight 13 is in surface contact with the fiber filter cloth 10, and the fiber filter cloth 10 can be used for filtering dust. A third lug 12 is fixed at the position, located on the fiber filter cloth 10, of the frame, the third lug 12 is sleeved on the driving roller 1, a first dust outlet is formed in the lower end of the third lug 12, second dust outlets communicated with the cavity are formed in the two ends, located on the supporting rod 14, of the driving roller 1, the second dust outlets and the first dust outlets can be overlapped, and a collecting box is arranged below the third lug 12 on the frame. The inner wall of the cavity of the driven roller 2 is provided with a spiral conveying channel. Still fixedly connected with first lug 3 and the second lug 4 that is located first lug 3 right side in the frame, first lug 3 and second lug 4 all overlap and establish on driven roller 2, and second lug 4 is located the left side of piston 8, and belt 11 is located between first lug 3 and second lug 4, and first lug 3 and second lug 4 can carry on spacingly to the scope of belt 11 motion.
The lower end of the first bump 3 is provided with a discharge hole, the driven roller 2 is provided with a through hole which can be coincided with the discharge hole, the upper end of the second bump 4 is provided with a feed hole, and the driven roller 2 is also provided with a through hole which can be coincided with the feed hole. The frame is located feed inlet department and is equipped with toper feeder 5, and 5 tops of feeder are equipped with the closing plate, and 5 bottom sliding connection of feeder have picture peg 6, and 6 right-hand members of picture peg run through and stretch out feeder 5, and through spring fixed connection in the frame, and picture peg 6 has magnetism and the magnetic pole opposite with the magnetic pole after the electro-magnet circular telegram, has deposited the fibre ball in feeder 5. The right end of the driven roller 2 is evenly provided with blades 7 along the circumferential direction.
When the automatic transmission device works, a motor is started, the motor drives a driving roller 1 to rotate, and the driving roller 1 and a driven roller 2 are driven through a belt 11. And when the switch is closed, the photoresistor is communicated with the power supply, and circuits among the ammeter, the electromagnet and the power supply are communicated.
The working process of dust concentration detection is as follows: and in the rotating process of the driving roller 1 and the driven roller 2, air is pumped into the cavity. The air entering the cavity of the driving roller 1 makes the laser emitter generate certain refraction, the light intensity thrown on the photosensitive resistor changes according to different refraction angles of dust concentration, the photosensitive resistor changes according to the intensity resistance value of light, and correspondingly, the current passing through the ammeter and the electromagnet changes. The dust concentration can be judged according to the reading of the ammeter.
When the ammeter shows that the value is smaller, the dust concentration is lower, and the purification process is mainly realized by the driving roller 1. Dust entering the cavity of the driving roller 1 passes through the fiber filter cloth 10, large-particle dust is embedded into the pores on the fiber filter cloth 10, small-particle dust passes through the fiber filter cloth 10, and because the piston 8 always slides in the cavity, static electricity is generated by friction between the piston 8 and the inner wall of the cavity, and the dust passing through the fiber filter cloth 10 is adsorbed on the inner wall of the cavity by the static electricity. The supporting rod 14 also rotates along with the driving roller 1, the balancing weight 13 rotates along with the supporting rod 14, when the supporting rod 14 rotates to a vertical state, the balancing weight 13 slides downwards under the action of gravity to scrape dust on the fiber filter cloth 10, and the dust is discharged into the collecting box after passing through the second dust outlet and the first dust outlet.
When the ammeter shows that the numerical value is larger, the dust concentration is higher, and the purification process at the moment is as follows: when dust concentration was too high, it was great through the electric current of electro-magnet, bee calling organ department, bee calling organ sounded, reminded people to open the window and ventilate, and simultaneously, the electro-magnet starts, attracts picture peg 6 and belt 11 all to move right. According to a transmission ratio formula of belt transmission, the diameter ratio of the driving wheel to the driven wheel is equal to the rotation speed ratio of the driven wheel to the driving wheel, the belt 11 moves rightwards, and the rotation speed of the driven roller 2 is gradually increased. The inserting plate 6 moves rightwards, the bottom of the feeder 5 is opened, when the through hole on the driven roller 2 rotates to coincide with the feeding port, the fiber ball falls into the driven roller 2, the fiber ball slides to the left end along the inner wall of the cavity due to the fact that the left end of the cavity inclines downwards, and when the through hole of the driven roller 2 rotates to coincide with the discharging port, the fiber ball can be discharged. The dust gets into driven roller 2's cavity in, moves from the left end to the right end, and the internal diameter of cavity reduces gradually, according to the Bernoulli's equation, and the velocity of flow crescent, and in the fiber ball constantly falls the cavity from the right-hand member, collides with the faster dust of velocity of flow, can fully adsorb the dust, and fiber ball and dust move in opposite directions in addition, and adsorption effect is better. Meanwhile, the rotating speed of the blades 7 is increased along with the rotating speed of the driven roller 2, the flowing speed of the airflow is driven to be increased, and the ventilation effect is better by matching with windowing.
When the dust gradually reduces, the current passing through the electromagnet is reduced, the electromagnet is powered off, the inserting plate 6 blocks the lower part of the feeder 5 again, the magnetic poles of the inserting plate 6 and the magnetic blocks repel each other to repel the belt 11 to move between the small-diameter end of the driving roller 1 and the large-diameter end of the driven roller 2, the rotating speed of the driven roller 2 is reduced, the dust purification is mainly realized by the driving roller 1, and the dust purification process is the same as the purification process when the dust is less.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (5)
1. Dust detects purifier, including the frame, its characterized in that: the frame is rotatably connected with a driving roller and a driven roller, the driving roller and the driven roller are both in a circular truncated cone shape and consistent in size, and the driving roller and the driven roller are arranged in opposite directions; the driven roller is sleeved with a first protruding block and a second protruding block, the first protruding block and the second protruding block are fixedly connected to the rack, the first protruding block is close to the large-diameter end of the driven roller, the second protruding block is close to the small-diameter end of the driven roller, a belt for transmission is further arranged between the driving roller and the driven roller, the belt is located between the first protruding block and the second protruding block, and a magnetic block is arranged on the belt; a discharge port is formed in the lower end of the first bump, a feed port is formed in the upper end of the second bump, a feeder used for storing fiber balls is arranged on the rack and positioned at the feed port, a magnetic inserting plate is connected to the bottom of the feeder in a sliding mode, and a spring is fixed between the inserting plate and the rack;
two cylindrical cams are fixedly connected to one side, close to the large-diameter end of the driving roller and one side, close to the small-diameter end of the driven roller, of the rack, cavities are formed in the driving roller and the driven roller, pistons are connected to one side, close to the cylindrical cams, of the second bump in the cavities in a sliding mode, piston rods are arranged on the pistons, and one ends, far away from the pistons, of the two piston rods are connected into spiral grooves of the cylindrical cams in a sliding mode respectively; a fiber filter cloth is arranged on one side, away from the piston rod, of the piston in the cavity of the driving roller, a support rod is arranged on one side, away from the piston, of the fiber filter cloth in the driving roller, a balancing weight is connected to the support rod in a sliding manner, a third protruding block is fixed to the fiber filter cloth on the frame, the third protruding block is sleeved on the driving roller, a first dust outlet is arranged at the lower end of the third protruding block, a second dust outlet matched with the first dust outlet is arranged at two ends, located on the support rod, of the driving roller, the second dust outlet is communicated with the cavity, and a collecting box is arranged below the third protruding block; a spiral conveying channel is arranged on the inner wall of the cavity of the driven roller, a through hole matched with the feeding hole and communicated with the cavity is formed in the driven roller, and a through hole matched with the discharging hole and communicated with the cavity is also formed in the driven roller;
a detection unit is arranged on one side, close to the small-diameter end of the driving roller, in the cavity of the driving roller and comprises a laser emitter and a photoresistor which are symmetrically arranged along the axis of the driving roller, a power supply is connected in series on the photoresistor, an ammeter is connected in parallel on the photoresistor, an electromagnet for attracting the plugboard and the magnetic block is also connected in parallel on the photoresistor, and the electromagnet is arranged on one side, close to the large-diameter end of the driving roller, on the rack;
the small diameter end of the driving roller and the large diameter end of the driven roller are both provided with air inlets communicated with the cavity, the side walls of the driving roller and the driven roller, which are close to the two ends of the piston, are both provided with air outlets communicated with the cavity, and the small diameter end of the driven roller is circumferentially provided with a plurality of blades.
2. The dust detection and purification apparatus according to claim 1, wherein: and a buzzer is also connected in series at the ammeter.
3. The dust detection and purification apparatus according to claim 1, wherein: the photoresistor is also connected in series with a switch, and the switch is fixed on the outer wall of the driving roller.
4. The dust detection and purification apparatus according to claim 1, wherein: the bottom of the frame is rotatably connected with a traveling wheel.
5. The dust detection and purification apparatus according to claim 1, wherein: and a sealing plate is arranged at the top of the feeder.
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| CN113209529B (en) * | 2020-05-27 | 2022-09-20 | 金华智果智能科技有限公司 | Environment-friendly treatment and throwing method for fire air particle pollutants |
| CN114279035A (en) * | 2021-12-31 | 2022-04-05 | 安徽标普环境检测技术有限公司 | Indoor air quality detection device and comprehensive index detection system thereof |
| CN114910418B (en) * | 2022-07-18 | 2023-01-06 | 临沂沂辰食品机械有限公司 | Food sugar and salt concentration detection device |
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