CN115597158B - Wall-mounted photocatalytic fresh air machine - Google Patents
Wall-mounted photocatalytic fresh air machine Download PDFInfo
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- CN115597158B CN115597158B CN202211512894.3A CN202211512894A CN115597158B CN 115597158 B CN115597158 B CN 115597158B CN 202211512894 A CN202211512894 A CN 202211512894A CN 115597158 B CN115597158 B CN 115597158B
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- plate
- sliding
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- filter screen
- air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/003—Ventilation in combination with air cleaning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
- F24F8/167—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using catalytic reactions
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a wall-mounted photocatalytic fresh air fan, which comprises a shell and an air inlet fan arranged at the bottom end of the shell, wherein a filter screen is arranged in the shell, a photocatalytic plate is arranged at the top end of the filter screen, a partition plate is arranged between the filter screen and the photocatalytic plate, two sides in the shell are both communicated with a drainage tube, and one end of the drainage tube is provided with a sealing assembly; the two sides of the bottom of the filter screen are provided with adjusting assemblies, the adjusting assemblies on the two sides are opened in a staggered mode, and when one adjusting assembly is in an opened state, the sealing assembly on the same side of the adjusting assembly seals one end of the drainage tube; through twice contact with the photocatalysis board, can improve the contact time of photocatalysis enzyme and gas to aviation baffle through the slope setting can slow down the velocity that the air current flows upwards, in addition, when gas reachs the inside top of casing after flow downwards, its velocity of flow is lower, is favorable to fully reacting with the photocatalysis board.
Description
Technical Field
The invention relates to the technical field of fresh air fans, in particular to a wall-mounted photocatalytic fresh air fan.
Background
Along with the development of industry, the pollution degree of air is more and more high, and people also attach more and more importance to the indoor air quality, in order to replace outdoor fresh air and indoor dirty air, let and wait for a long time that indoor people can breathe fresh air, new fan just arises at the right moment.
The Chinese invention patent CN114608100A discloses a photocatalytic sterilization fresh air device, which comprises a box body and air inlets positioned at the lower parts of two sides of the box body; and air outlets positioned at the upper parts of the two sides of the box body; the box body is internally provided with a fan, a first filter screen, an ozone generator, a photocatalyst plate, an ultraviolet generator, an ozone destroying catalyst module, a second filter screen and a silencing structure made of silencing materials in sequence along the air running direction. According to the invention, the invention is helpful for avoiding the diffusion of harmful bacteria and viruses in the toilet and preventing the occurrence of public health accidents.
In the actual use process of the above device, the gas is discharged after passing through the photocatalytic plate, and in some places with heavy odor, such as public toilets and the like, the contact time is limited because the gas flow contacts the photocatalytic plate only once, so that the expected effect on the treatment of the organic matters in the gas cannot be achieved.
Therefore, it is necessary to provide a wall-mounted photocatalytic fresh air fan to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a wall-mounted photocatalytic fresh air fan, which aims to solve the problem that in the prior art, in the actual use process, gas is exhausted after passing through a photocatalytic plate, and in some places with heavy odor, such as public toilets and the like, the treatment of organic matters in the gas cannot achieve the expected effect due to the fact that the gas flow is only contacted with the photocatalytic plate once and the contact time is limited.
Based on the above thought, the invention provides the following technical scheme: the air inlet fan is arranged at the bottom end of the shell, a filter screen is arranged in the shell, a photocatalytic plate is arranged at the top end of the filter screen, a partition plate is arranged between the filter screen and the photocatalytic plate, two sides in the shell are both communicated with a drainage tube, and a sealing assembly is arranged at one end of the drainage tube;
the bottom both sides of filter screen all are provided with adjusting part, and the adjusting part of both sides is crisscross opens, and when one of them adjusting part was in the state of opening, sealed the drainage tube one end with the seal assembly of its homonymy.
As a further scheme of the invention: the outer side of the filter screen is provided with a second fixing plate, a fixing frame is fixedly arranged at the bottom end of the second fixing plate, the adjusting assembly comprises air deflectors rotatably arranged in the fixing frame, the air deflectors are arranged at the bottom end of the filter screen, baffles are fixedly arranged in the fixing frame, the number of the air deflectors is set to be multiple and evenly distributed on two sides of each baffle, and the top ends of the air deflectors are slidably connected with sliding plates.
As a further scheme of the invention: the sealing assembly comprises a limiting frame fixed on the inner wall of the shell, an L-shaped sealing block is connected inside the limiting frame in a sliding mode, a pull rope is arranged at the bottom end of the sealing block, one end of the pull rope is fixedly connected with the sealing block, the other end of the pull rope penetrates through the limiting frame and the second fixing plate downwards and then is fixedly connected with the air deflector, and a first spring is fixedly arranged between the bottom of the sealing block and the inner bottom surface of the limiting frame.
As a further scheme of the invention: the drainage chamber is fixedly connected with both sides of the shell, one side of the top of the drainage chamber, which is far away from the shell, is communicated with an air inlet pipe, the top end of the air inlet pipe is communicated with the drainage pipe, the inside of the drainage chamber is connected with a sealing plate in a sliding way, the inside of the drainage chamber is fixedly connected with a guide rod, the guide rod penetrates through the sealing plate and is connected with the sealing plate in a sliding way, the outer side of the guide rod is sleeved with a second spring, the second spring is arranged on one side of the sealing plate, which is far away from the shell, the side of the drainage chamber, which is far away from the shell, is provided with a through groove, and the through groove is fixedly connected with a first filter plate, the one side that the inside of drainage room is close to first filter plate slides and is provided with the second filter plate, the through-hole that runs through is all seted up to first filter plate and second filter plate, and through-hole on the drainage room is sealed when staggering each other when first filter plate and second filter plate, and when the through-hole on first filter plate and the second filter plate was aligned, logical groove was in the state of opening, one side top fixedly connected with deep bead that the second filter plate is close to the closing plate, the deep bead sets up in the bottom of intake pipe, one side intercommunication that the top of drainage room is close to the casing is provided with the blast pipe, be provided with the check valve that supplies the one-way exhaust of the indoor gaseous of drainage on the blast pipe.
As a further scheme of the invention: the novel cleaning device is characterized in that one end, far away from the air deflector, of the sliding plate is rotatably connected with a cleaning pipe, the cleaning pipe is in contact with the filter screen, a plurality of flow guide holes are uniformly formed in the surface of the cleaning pipe, the cleaning pipe is communicated with the sliding plate, a sliding groove is formed in the air deflector, the sliding plate is in sliding fit with the air deflector through the sliding groove, a fourth spring is arranged inside the sliding groove, the fourth spring is arranged between the air deflector and the sliding plate, a cavity is formed inside the sliding plate and communicated with the sliding groove, a corrugated pipe is arranged between every two adjacent air deflectors in a communicated mode, and two ends, far away from the baffle, of the corrugated pipe are respectively communicated with the drainage chamber and the sliding plate.
As a further scheme of the invention: the rear side of the fixing frame is slidably provided with a limiting block, the bottom surface of the limiting block is provided with an extrusion part and a retaining part which are connected with each other, the extrusion part is in an arc shape which is bent towards the direction of the filter screen, the retaining part is arranged in a horizontal shape, the rear side surface inside the shell is fixedly provided with a motor, an output shaft of the motor is rotatably connected with a reciprocating lead screw, the outer side of the reciprocating lead screw is in threaded fit with a ball nut pair, the limiting block is fixedly sleeved on the outer side of the ball nut pair, the rear side surface of the fixing frame is provided with a through guide groove which is in an arc shape, the rear side surface of the air deflector is fixedly connected with a limiting shaft, the limiting shaft penetrates through the limiting groove and is in sliding fit with the fixing frame, a pressing plate is slidably arranged between the rear side surface of the fixing frame and the shell, the pressing plate is arranged at the top end of the limiting shaft, the top end of the pressing plate is rotatably connected with a rolling shaft which is in contact with the pressing plate, the pressing plate is in a U shape, and a U-shaped groove is formed in the pressing plate, and extends to the inside of the U-shaped groove on the pressing plate.
As a further scheme of the invention: the bottom of clamp plate is provided with the backup pad, backup pad and fixed frame fixed connection, the fixed telescopic link that is provided with between backup pad and the clamp plate.
As a further scheme of the invention: the bottom end of one side, close to the wind shield, of the second filter plate is fixedly connected with a connecting plate, and a third spring is fixedly arranged between the bottom of the connecting plate and the inner bottom surface of the drainage chamber.
As a further scheme of the invention: the inside of casing is fixed and is provided with the fluorescent tube, the fluorescent tube sets up in the top of photocatalysis board.
As a further scheme of the invention: the outer side of the photocatalytic plate is provided with a first fixing plate, and the first fixing plate is fixedly connected with the inner wall of the shell.
Compared with the prior art, the invention has the beneficial effects that: all be provided with the adjusting part through the bottom both sides at the filter screen, the adjusting part of both sides is crisscross opens, when one of them adjusting part closes, the adjusting part of opposite side opens, the inside gas of casing that enters into this moment can pass through from the adjusting part who opens one side, reach the inside top of casing after filter screen and photocatalysis board in proper order, then downward flow discharges the casing behind the photocatalysis board again, through twice with the contact of photocatalysis board, can improve the contact time of photocatalytic enzyme with gaseous, and the aviation baffle through the slope setting, can slow down the speed that the air current upwards flows, make gaseous and photocatalysis board have sufficient contact time, in addition, when gas flows downwards after reaching the inside top of casing, its velocity of flow is lower, be favorable to fully reacting with the photocatalysis board.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the internal structure of the housing of the present invention;
FIG. 3 is a rear view of the internal structure of the housing of the present invention;
FIG. 4 is a schematic view of the distribution structure of the air guiding plate of the present invention;
FIG. 5 is a schematic structural view of a baffle, an air deflector and a limiting block of the present invention;
FIG. 6 is a schematic view of the seal assembly of the present invention;
FIG. 7 is a schematic illustration of the construction of a first filter plate and a second filter plate according to the present invention;
FIG. 8 is a schematic view of the air deflection and slide plate configuration of the present invention;
FIG. 9 is a schematic view of the connection structure of the cleaning tube and the positioning tube of the present invention;
FIG. 10 is a schematic view of the structure of the limiting block and the reciprocating screw rod of the present invention;
FIG. 11 is an enlarged view of the structure at A of FIG. 3 according to the present invention;
FIG. 12 is an enlarged view of the structure of FIG. 3 at B according to the present invention;
FIG. 13 is an enlarged view of FIG. 8 at C in accordance with the present invention;
FIG. 14 is a schematic view of the internal structure of a drainage chamber of the present invention;
FIG. 15 is a schematic view of the platen configuration of the present invention;
fig. 16 is a schematic view of a positioning tube configuration of the present invention.
In the figure: 1. a housing; 2. a first filter plate; 3. an air intake fan; 4. a drainage chamber; 5. an adjustment assembly; 6. a limiting frame; 7. a photocatalytic sheet; 8. a drainage tube; 9. an air inducing port; 10. a lamp tube; 11. a first fixing plate; 12. a telescopic rod; 13. a fixing frame; 14. a guide groove; 15. a second fixing plate; 16. a partition plate; 17. pulling a rope; 18. pressing a plate; 19. an air deflector; 20. a limiting block; 21. a bellows; 22. a baffle plate; 23. a reciprocating screw rod; 24. a first spring; 25. a sealing block; 26. a filter screen; 27. an air inlet pipe; 28. a wind deflector; 29. a second filter plate; 30. a slide rail; 31. a guide bar; 32. a second spring; 33. a connecting plate; 34. a third spring; 35. a slide plate; 36. a flow guide hole; 37. a positioning tube; 38. a first fixed cover; 39. a second stationary cover; 40. a circular shaft; 41. a connecting shaft; 42. cleaning the pipe; 43. a motor; 44. a roller; 45. a pressing section; 46. a holding section; 47. a limiting shaft; 48. a sealing plate; 49. an exhaust pipe; 50. a balancing weight; 51. an air inlet groove.
Detailed Description
As shown in fig. 1-5, 15 and 8-11, a wall-mounted photocatalytic fresh air fan comprises a casing 1 fixed on a wall, during actual use, a hole can be formed in the rear side wall of the casing 1 or steel plates are welded on two sides of the casing 1, then the casing 1 is fixed on the wall in a bolt connection mode to increase the connection strength of the casing 1, an air induction port 9 for air to enter is formed in the bottom surface of the casing 1, and an air inlet fan 3 is fixedly connected to the air induction port 9 on the bottom surface of the casing 1 to introduce external air into the casing 1, wherein the air inlet fan 3 can be an axial flow fan, so that the wall-mounted photocatalytic fresh air fan is more energy-saving and environment-friendly and is suitable for places in small spaces.
Further, be provided with in casing 1 inside and be used for carrying out filterable filter screen 26 to the air, filter screen 26 is made for the metal sheet, casing 1 inside is located the top of filter screen 26 and is provided with photocatalysis board 7, in the time of practical use, photocatalysis enzyme who coats on the pore wall of perforated plate can make photocatalysis board 7, and fixed fluorescent tube 10 that is provided with in the inside top of casing 1, fluorescent tube 10 adopts the ultraviolet ray to shine photocatalysis board 7, when air process photocatalysis board 7, through the shining of ultraviolet ray, make photocatalysis enzyme and the organic matter in the gas take place the reaction, thereby clear away the organic matter in the gas, can reach the effect of removing the peculiar smell.
However, in the actual use process, the gas is discharged after passing through the photocatalytic plate 7, because the contact time of the gas flow and the photocatalytic plate 7 is short, the treatment effect on organic matters in the gas is poor, especially in places with heavy odor, such as public toilets and the like, the adjusting assemblies 5 are arranged on both sides of the bottom of the filter screen 26, the adjusting assemblies 5 on both sides are alternately opened, when one of the adjusting assemblies 5 is closed, the adjusting assembly 5 on the other side is opened, the gas entering the inside of the housing 1 passes through the adjusting assembly 5 on the opened side, sequentially passes through the filter screen 26 and the photocatalytic plate 7, then reaches the top end of the inside of the housing 1, then flows downwards and is discharged out of the housing 1 after passing through the photocatalytic plate 7 again, and through twice contact with the photocatalytic plate 7, the contact time of the photocatalytic enzyme and the gas can be prolonged, so that the treatment effect on the gas is improved.
Specifically, the fixed cover in the outside of filter screen 26 is equipped with second fixed plate 15, and the fixed cover in the outside of photocatalysis board 7 is equipped with first fixed plate 11, first fixed plate 11 and second fixed plate 15 are all fixed inside casing 1, fixedly connected with baffle 16 between first fixed plate 11 and second fixed plate 15, the top and the bottom of baffle 16 contact with photocatalysis board 7 and filter screen 26 respectively, furthermore, fixed frame 13 of fixedly connected with on the bottom surface of second fixed plate 15, the top and the bottom of fixed frame 13 are the opening, the medial surface for the fixed block is aligned with the medial surface of second fixed plate 15, inside along the width direction fixedly connected with baffle 22 of casing 1 in fixed frame 13, and the top of baffle 22 contacts with filter screen 26, and adjusting part 5 then is as to the both sides of baffle 22.
Further, adjusting part 5 sets up including rotating the aviation baffle 19 that sets up in filter screen 26 bottom, and the equal fixedly connected with round pin axle in both sides around aviation baffle 19, and aviation baffle 19 rotates with fixed frame 13 through the round pin axle and be connected, and the round pin axle sets up in the position that aviation baffle 19 is close to its bottom to there is slide 35 at aviation baffle 19's top sliding connection.
The rear side of the fixed frame 13 is provided with a driving component, and the air deflectors 19 on both sides of the baffle 22 can be driven by the driving component to be opened in a staggered mode.
The driving assembly comprises a limiting block 20 arranged at the rear side of a fixed frame 13, wherein a squeezing part 45 and a retaining part 46 which are connected with each other are arranged on the bottom surface of the limiting block 20, specifically, the squeezing part 45 is in an arc shape which is bent towards the direction of a filter screen 26, the retaining part 46 is in a horizontal shape, a motor 43 is fixedly arranged on the inner rear side surface of a shell 1, an output shaft of the motor 43 is rotatably connected with a reciprocating screw 23, a ball nut pair is matched with the outer side of the reciprocating screw 23 in a threaded manner, in practical use, the limiting block 20 is fixedly sleeved at the outer side of the ball nut pair, and the limiting block 20 is clamped between the fixed frame 13 and the inner wall of the shell 1, so that the limiting block 20 can be limited, the reciprocating screw 23 rotates to drive the limiting block 20 to slide in a reciprocating manner, and in order to fix the reciprocating screw 23, a mounting plate is arranged at one end of the reciprocating screw 23 far away from the motor 43, the reciprocating screw 23 is rotatably connected with the mounting plate, and the mounting plate is fixed on the fixed frame 13;
a through guide groove 14 is arranged on the rear side surface of the fixed frame 13, the guide groove 14 is arc-shaped, the center of the circle of the guide groove 14 coincides with the axis of the pin shaft, a limit shaft 47 is fixedly connected on the rear side surface of the air deflector 19, the limit shaft 47 penetrates through the limit groove and is in sliding fit with the fixed frame 13, a press plate 18 is arranged between the rear side surface of the fixed frame 13 and the shell 1 in a sliding manner, the press plate 18 is arranged at the top end of the limit shaft 47, a support is fixedly connected to the top of the press plate 18, a roller 44 is rotatably connected to the top end of the support, when the limit block 20 moves relative to the roller 44 and moves from the extrusion part 45 to the holding part 46, the roller 44 and the support can be extruded, the press plate 18 is driven to move downwards and synchronously, the air deflector 19 is driven to rotate downwards, and when the limit shaft 47 slides to the topmost end of the limit groove, the aviation baffle 19 is in the angle of slope, through this structure, be favorable to clamp plate 18 to move down and drive spacing axle 47 and slide at spacing inslot portion, because a plurality of aviation baffles 19 evenly distributed are in baffle 22 both sides, therefore, when a plurality of aviation baffles 19 rotated towards baffle 22 direction, mutual contact between two adjacent slides 35, can seal the filter screen 26 of baffle 22 one side, be provided with the backup pad in the bottom of clamp plate 18, backup pad and fixed frame 13 fixed connection, fixed being provided with telescopic link 12 between backup pad and clamp plate 18, telescopic link 12 is inside to be provided with reset spring, above-mentioned clamp plate 18 sets up to the U-shaped, be formed with the U-shaped groove on it, and spacing axle 47 then extends to the U-shaped inslot portion on clamp plate 18, the concrete structure is shown in fig. 15, through this structure, make clamp plate 18 can drive spacing axle 47 and reciprocate.
In practical use, the motor 43 drives the reciprocating screw rod 23 to rotate, so as to drive the limiting blocks 20 to reciprocate along the length direction of the housing 1, for example, when the reciprocating screw rod 23 drives the two limiting blocks 20 thereon to move rightwards synchronously, which is based on the direction shown in fig. 10, at this time, the left roller 44 moves from the extrusion part 45 on the limiting block 20 to the holding part 46, the arc-shaped extrusion part 45 can drive the roller 44 and the pressing plate 18 to move downwards, the pressing plate 18 can drive the limiting shaft 47 to move downwards along the path of the limiting groove, so as to drive the air deflector 19 and the sliding plate 35 to rotate downwards, when the air deflector 19 is communicated with the sliding plates 35 to rotate downwards by a certain angle, the two adjacent sliding plates 35 will contact with each other, meanwhile, the sliding plate 35 near the baffle 22 will contact with each other, the sliding plates 35 rotating at one side contact with each other, and the bottom end of the leftmost air deflector 19 contacts with the inner side surface of the fixed frame 13, therefore, the filter screen 26 on one side of the baffle 22 can be sealed through the above structure, at this time, the right roller 44 moves from the holding portion 46 of the right stopper 20 to the squeezing portion 45, so that the right roller 44 moves upward along the track of the squeezing portion 45 under the action of the telescopic rod 12, so that the telescopic rod 12 can drive the pressing plate 18 to move upward, the pressing plate 18 can drive the limiting shaft 47 to move upward, so as to drive the air deflector 19 and the sliding plate 35 to rotate upward, so that the two adjacent sliding plates 35 are gradually separated, and the other side of the baffle 22 is opened, therefore, after the structure is adopted, the left side of the baffle 22 on the filter screen 26 is in a closed state, and the right side of the baffle 22 is in an opened state, so that the gas entering the interior of the housing 1 through the air intake fan 3 can flow upward from the right side of the filter screen 26 through the photocatalytic plate 7, flow to returning downwards behind the inside roof of casing 1 and pass through photocatalytic plate 7 again, through twice with photocatalytic plate 7's contact, can fully react the organic matter in the air and get rid of, and aviation baffle 19 through the slope setting, can slow down the velocity that the air current flows upwards for gas and photocatalytic plate 7 have sufficient contact time, in addition, when gas flows downwards after reaching the inside top of casing 1, its velocity of flow is lower, is favorable to reacting fully with photocatalytic plate 7.
As shown in fig. 4-7, 12 and 14, in order to allow gas to be discharged out of the housing 1, draft tubes 8 are provided on both side walls of the housing 1, one end of the draft tube 8 extends into the interior of the housing 1 and the end surface thereof is flush with the inner wall of the housing 1, and a sealing assembly is provided at the draft tube 8 on the inner wall of the housing 1.
Specifically, seal assembly is including fixing the spacing frame 6 on the casing 1 inner wall, the inside sliding connection of spacing frame 6 has the sealed piece 25 of L shape, can set up the bar groove on the inner wall both sides wall of spacing frame 6 in the in-service use process, and the both sides of sealed piece 25 are all fixed be provided with bar groove matched with lug, can seal it when sealed piece 25 is as for gravitation pipe one end, be provided with stay cord 17 in the bottom of sealed piece 25, the one end and the sealed piece 25 fixed connection of stay cord 17, the other end of stay cord 17 passes spacing frame 6 and second fixed plate 15 back and aviation baffle 19 fixed connection downwards, and the junction with aviation baffle 19 is as for the top end position of aviation baffle 19, make aviation baffle 19 can stay cord pulling 17 in the rotation process, thereby drive sealed piece 25 and reciprocate, in addition, stay cord 17 and second fixed plate 15 and the equal sliding connection of spacing frame 6, fixed be provided with first spring 24 between the bottom of sealed piece 25 and the inside bottom surface of spacing frame 6, be favorable to driving the limiting plate reset through the first spring 24 that sets up.
In practical use, when the reciprocating screw 23 drives the limiting block 20 to move to the right side, based on the direction shown in fig. 4, the baffle 22 on the left side of the baffle 22 rotates downward to seal the filter screen 26, when the air deflector 19 rotates downward, the pull rope 17 can be pulled, so that the seal block 25 is driven by the pull rope 17 to move downward, when the seal block 25 moves downward and is staggered with the drainage tube 8, the gas inside the casing 1 can be discharged through the drainage tube 8, and at this time, the air deflector 19 on the right side is in an upward rotating state, so that the filter screen 26 on the right side of the baffle 22 is in an open state, when the air deflector 19 rotates upward, the pull rope 17 is loosened, at this time, the seal block 25 can be driven to slide upward under the action of the first spring 24 to seal the drainage tube 8, so that, after the gas is introduced into the casing 1 by the air intake fan 3, the gas reaches the top end of the casing 1 after being processed by the filter screen 26 on the right side and the photocatalytic plate 7, and then flows downward and passes through the photocatalytic plate 7 again, so that the drainage tube 8 on the left side is discharged.
As shown in fig. 5-6, 7, 14, the drainage chamber 4 is fixedly connected to both sides of the casing 1, and is made of a metal plate, and is of a cubic structure, the top of the drainage chamber 4 is communicated with one side of the casing 1, which is far away from the casing, to form the air inlet pipe 27, the top end of the air inlet pipe 27 is communicated with the drainage pipe 8, the sealing plate 48 is slidably connected to the inside of the drainage chamber 4, the sealing plate 48 is in sealing fit with the drainage chamber 4, the guide rod 31 is fixedly connected to the inside of the drainage chamber 4, the guide rod 31 penetrates through the sealing plate 48 and is slidably connected with the sealing plate 48, the second spring 32 is sleeved on the outer side of the guide rod 31, and the second spring 32 is arranged on one side of the sealing plate 48, which is far away from the casing 1.
Further, a through groove is formed in one side, far away from the shell 1, of the drainage chamber 4, a first filter plate 2 is fixedly connected to the through groove, a second filter plate 29 is arranged in one side, close to the first filter plate 2, of the drainage chamber 4 in a sliding mode, specifically, sliding rails 30 are arranged on the front side and the rear side of the second filter plate 29 in a sliding mode, the sliding rails 30 are fixedly connected with the drainage chamber 4, through holes are formed in the first filter plate 2 and the second filter plate 29 in a sliding mode, when the through holes in the first filter plate 2 and the second filter plate 29 are staggered, the through groove in the drainage chamber 4 can be sealed through the first filter plate 2 and the second filter plate 29, when the through holes in the first filter plate 2 and the second filter plate 29 are aligned, the through groove is in an open state, a wind shield 28 is fixedly connected to the top end, close to the sealing plate 48, of the second filter plate 29, the wind shield 28 is arranged at the bottom end of the air inlet pipe 27, a connecting plate 33 is fixedly connected to the bottom end, and a third spring 34 is fixedly arranged between the bottom of the drainage chamber 4 and the inside of the drainage chamber.
Furthermore, an exhaust pipe 49 is connected to the top of the drainage chamber 4 near the casing 1, and a check valve for discharging the gas in the drainage chamber 4 in one direction is provided on the exhaust pipe 49.
Furthermore, one end of the sliding plate 35, which is far away from the air deflector 19, is rotatably connected with a cleaning pipe 42, the cleaning pipe 42 is in contact with the filter screen 26, when the air cleaner is in actual use, the bottom of the sliding plate 35 is set to be an arc surface, the cleaning pipe 42 is in contact with the arc surface at the top of the sliding plate 35, specifically, the surface of the cleaning pipe 42 is uniformly provided with a plurality of guide holes 36, and the arc surface at the top of the sliding plate 35 is provided with a through notch, so that the cleaning pipe 42 is communicated with the sliding plate 35;
the corrugated pipe 21 is communicated between two adjacent air deflectors 19, and two ends of the corrugated pipe 21 far away from the baffle 22 are respectively communicated with the drainage chamber 4 and the sliding plate 35, specifically, one end of the corrugated pipe 21 communicated with the drainage chamber 4 is arranged on one side of the sealing plate 48 close to the exhaust pipe 49.
In practical use, when the motor 43 drives the stopper 20 to move through the reciprocating screw 23, for example, to the right, so that the stopper 20 drives the left roller 44 and the pressing plate 18 to move downward, thereby causing the air deflector 19 on the left side of the baffle 22 and the sliding plate 35 to rotate toward the baffle 22 and contact with each other, thereby sealing the left half of the filter screen 26, while the right half of the filter screen 26 is in an open state, and when the right air deflector 19 is in an open state, the pull rope 17 is released, thereby causing the sealing block 25 to be placed at one end of the drainage tube 8 to seal it, so that the gas can flow upward through the right side of the filter screen 26 and pass through the photocatalytic plate 7, flow downward again through the photocatalytic plate 7 after reaching the top end of the housing 1, and then be led out from the left side of the drainage tube 8, when the left air deflector 19 helps in the closed state, the pull rope 17, thereby driving the sealing block 25 to move downward to be staggered with the drainage tube 8, so that the gas flowing downward can be led out of the drainage chamber 4 through the drainage tube 8, when the air deflector 27 enters the drainage chamber 4, thereby driving the drainage tube 29 to move downward through the drainage tube 29 and the drainage chamber, and the exhaust tube 29 to form a stable pressure, and a stable pressure can be returned to the filter plate 20, when the filter plate 20, and the filter plate 20 can be returned to the filter plate 20, and the filter plate 20 can be returned to the exhaust tube 20, and the exhaust tube 27, the left half of the filter screen 26 is in an open state, the right air deflector 19 gradually rotates downwards to seal the filter screen 26, when the left sliding plate 35 rotates upwards to reset, the pull rope 17 is loosened, the sealing block 25 moves upwards to seal the drainage tube 8, and when the sliding plate 35 rotates upwards, the cleaning tube 42 at the top of the sliding plate contacts with the bottom of the filter screen 26, the sealing plate 48 can be driven to move towards the direction away from the shell 1 in the drainage chamber 4 under the action of the second spring 32, the second filter plate 29 can be driven to move upwards under the action of the third spring 34, through holes in the first filter plate 2 and the second filter plate 29 are aligned, so that the air in the drainage chamber 4 can be discharged when the sealing plate 48 moves leftwards, the air inlet pipe 27 is provided with a one-way valve, therefore, when the sealing plate 48 moves leftwards, a negative pressure is formed on the side close to the shell 1, so that the air in the air deflector 19 is sucked into the drainage chamber 4 through the corrugated pipe 21, and downward flowing air flow formed on the cleaning tube 42 can adsorb dust and impurities on the filter screen 26, and is beneficial to clean the filter screen 26.
As shown in fig. 8-9, 13 and 16, a supporting rod is fixedly connected to the air deflector 19, a second fixing cover 39 is fixedly connected to both ends of the cleaning tube 42, a circular shaft 40 is fixedly connected to the outer side of the second fixing cover 39, the circular shaft 40 penetrates through the supporting plate and is rotatably connected with the supporting plate, a positioning tube 37 is rotatably connected to the inner portion of the cleaning tube 42, the positioning tube 37 contacts with the inner wall of the cleaning tube 42, a first fixing cover 38 is fixedly connected to both ends of the positioning tube 37, a connecting shaft 41 is fixedly connected to the outer side of the first fixing cover 38, and the connecting shaft 41 extends into the circular shaft 40 and is rotatably connected with the circular shaft 40.
Further, set up the air inlet duct 51 that runs through on the registration arm 37, and the guiding gutter has been seted up to the bottom that lies in air inlet duct 51 on the registration arm 37, make outside gas can enter into inside aviation baffle 19 through clearance pipe 42, air inlet duct 51 and guiding gutter, in addition, at the equal fixedly connected with balancing weight 50 in the inside both ends of registration arm 37, balancing weight 50 sets up in air inlet duct 51's bottom, through the balancing weight 50 that sets up, make the line between air inlet duct 51 and the guiding gutter be in vertical state all the time.
During the specific use, when the slide 35 upwards rotates and resets, cleaning tube 42 on it contacts with filter screen 26, and locating tube 37 makes air inlet tank 51 on it be in ascending state all the time under the effort of balancing weight 50 this moment, air inlet tank 51 is in cleaning tube 42 and the tangent position department of filter screen 26 all the time, consequently, can seal the through-hole that lies in air inlet tank 51 both sides on cleaning tube 42 through locating tube 37, make gaseous through-hole that lies in air inlet tank 51 department on cleaning tube 42 enter into inside the slide 35, thereby improve cleaning tube 42's suction, make cleaning tube 42 along the removal in-process of filter screen 26 bottom, can clear away the dust on the filter screen 26.
Claims (6)
1. The utility model provides a wall-hanging photocatalysis new fan, includes the casing and sets up in the air inlet fan of casing bottom, the inside filter screen that is provided with of casing, the top of filter screen is provided with photocatalysis board, its characterized in that: a partition plate is arranged between the filter screen and the photocatalytic plate, two sides in the shell are both communicated with a drainage tube, and one end of the drainage tube is provided with a sealing assembly;
the two sides of the bottom of the filter screen are provided with adjusting assemblies, the adjusting assemblies on the two sides are opened in a staggered mode, and when one adjusting assembly is in an opened state, the sealing assembly on the same side of the adjusting assembly seals one end of the drainage tube;
the adjusting assembly comprises a plurality of air deflectors which are rotatably arranged in the fixing frame, the air deflectors are arranged at the bottom end of the filter screen, baffles are fixedly arranged in the fixing frame, the number of the air deflectors is multiple, the air deflectors are uniformly distributed on two sides of the baffles, and sliding plates are slidably connected to the top ends of the air deflectors;
the sealing assembly comprises a limiting frame fixed on the inner wall of the shell, an L-shaped sealing block is connected inside the limiting frame in a sliding mode, a pull rope is arranged at the bottom end of the sealing block, one end of the pull rope is fixedly connected with the sealing block, the other end of the pull rope penetrates through the limiting frame and the second fixing plate downwards and then is fixedly connected with the air deflector, and a first spring is fixedly arranged between the bottom of the sealing block and the inner bottom surface of the limiting frame;
the drainage chamber is fixedly connected with both sides of the shell, one side of the top of the drainage chamber, which is far away from the shell, is communicated with an air inlet pipe, the top end of the air inlet pipe is communicated with the drainage pipe, the inside of the drainage chamber is connected with a sealing plate in a sliding way, the inside of the drainage chamber is fixedly connected with a guide rod, the guide rod penetrates through the sealing plate and is connected with the sealing plate in a sliding way, the outer side of the guide rod is sleeved with a second spring, the second spring is arranged on one side of the sealing plate, which is far away from the shell, the side of the drainage chamber, which is far away from the shell, is provided with a through groove, and the through groove is fixedly connected with a first filter plate, a second filter plate is arranged in the drainage chamber in a sliding mode on one side, close to the first filter plate, of the interior of the drainage chamber, through holes penetrating through the first filter plate and the second filter plate are formed in the first filter plate and the second filter plate, the through grooves in the drainage chamber are sealed when the through holes in the first filter plate and the second filter plate are staggered, the through grooves are in an open state when the through holes in the first filter plate and the second filter plate are aligned, a wind shield is fixedly connected to the top end, close to the sealing plate, of the second filter plate, the wind shield is arranged at the bottom end of the air inlet pipe, an exhaust pipe is communicated with one side, close to the shell, of the top of the drainage chamber, and a check valve for discharging air in the drainage chamber in a one-way mode is arranged on the exhaust pipe;
the improved filter screen is characterized in that one end, far away from the air deflector, of the sliding plate is rotatably connected with a cleaning pipe, the cleaning pipe is in contact with the filter screen, a plurality of flow guide holes are uniformly formed in the surface of the cleaning pipe, the cleaning pipe is communicated with the sliding plate, a sliding groove is formed in the air deflector, the sliding plate is in sliding fit with the air deflector through the sliding groove, a fourth spring is arranged inside the sliding groove and is arranged between the air deflector and the sliding plate, a cavity is formed inside the sliding plate and is communicated with the sliding groove, a corrugated pipe is arranged between every two adjacent air deflectors in a communicated mode, and two ends, far away from the baffle, of the corrugated pipe are respectively communicated with the drainage chamber and the sliding plate.
2. The wall-mounted photocatalytic fresh air machine according to claim 1, characterized in that: the rear side of the fixing frame is slidably provided with a limiting block, the bottom surface of the limiting block is provided with an extrusion part and a retaining part which are connected with each other, the extrusion part is in an arc shape which is bent towards the direction of the filter screen, the retaining part is arranged in a horizontal shape, the rear side surface inside the shell is fixedly provided with a motor, an output shaft of the motor is rotatably connected with a reciprocating lead screw, the outer side of the reciprocating lead screw is in threaded fit with a ball nut pair, the limiting block is fixedly sleeved on the outer side of the ball nut pair, the rear side surface of the fixing frame is provided with a through guide groove which is in an arc shape, the rear side surface of the air deflector is fixedly connected with a limiting shaft, the limiting shaft penetrates through the limiting groove and is in sliding fit with the fixing frame, a pressing plate is slidably arranged between the rear side surface of the fixing frame and the shell, the pressing plate is arranged at the top end of the limiting shaft, the top end of the pressing plate is rotatably connected with a rolling shaft which is in contact with the pressing plate, the pressing plate is in a U shape, and a U-shaped groove is formed in the pressing plate, and extends to the inside of the U-shaped groove on the pressing plate.
3. The wall-mounted photocatalytic fresh air machine according to claim 2, characterized in that: the bottom of clamp plate is provided with the backup pad, backup pad and fixed frame fixed connection, the fixed telescopic link that is provided with between backup pad and the clamp plate.
4. The wall-mounted photocatalytic fresh air machine according to claim 1, characterized in that: the bottom end of one side, close to the wind shield, of the second filter plate is fixedly connected with a connecting plate, and a third spring is fixedly arranged between the bottom of the connecting plate and the inner bottom surface of the drainage chamber.
5. The wall-mounted photocatalytic fresh air machine according to claim 1, characterized in that: and a lamp tube is fixedly arranged in the shell and is arranged at the top end of the photocatalytic plate.
6. The wall-mounted photocatalytic fresh air machine according to claim 1, characterized in that: the outer side of the photocatalytic plate is provided with a first fixing plate, and the first fixing plate is fixedly connected with the inner wall of the shell.
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| CN202211512894.3A CN115597158B (en) | 2022-11-30 | 2022-11-30 | Wall-mounted photocatalytic fresh air machine |
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| CN202211512894.3A CN115597158B (en) | 2022-11-30 | 2022-11-30 | Wall-mounted photocatalytic fresh air machine |
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| CN116651884B (en) * | 2023-07-31 | 2023-10-13 | 山西誉恒天祥实验室设备有限公司 | Fume chamber |
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| GB1475082A (en) * | 1973-05-16 | 1977-06-01 | Shell Int Research | Process and apparatus for the catalyric treatment of materials containing solid contaminants |
| JP2000093743A (en) * | 1998-09-22 | 2000-04-04 | Shinsei Dental Laboratory:Kk | Method for treating exhaust gas from refuse incinerator and treatment device |
| CN100512922C (en) * | 2007-07-05 | 2009-07-15 | 彭志民 | Exterior sieve type bag-type dust remover and its ashing method |
| CN102728193B (en) * | 2012-06-15 | 2014-04-30 | 西安建筑科技大学 | Low temperature plasma integrated purification plant and method for industrial organic waste gas |
| CN103925651B (en) * | 2014-04-03 | 2016-08-17 | 西安富康空气净化设备工程有限公司 | A kind of Laboratory air clearing machine and air purification method based on this clearing machine |
| JP6930174B2 (en) * | 2017-03-29 | 2021-09-01 | 株式会社富士通ゼネラル | Suction unit and air purifier |
| CN114053867B (en) * | 2021-11-25 | 2023-07-25 | 沈阳师范大学 | Photocatalytic decoration building formaldehyde decomposition device and decomposition method thereof |
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