CN114669139A - Self-cleaning air exchange device - Google Patents
Self-cleaning air exchange device Download PDFInfo
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- CN114669139A CN114669139A CN202210573102.7A CN202210573102A CN114669139A CN 114669139 A CN114669139 A CN 114669139A CN 202210573102 A CN202210573102 A CN 202210573102A CN 114669139 A CN114669139 A CN 114669139A
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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
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
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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
- F24F7/003—Ventilation in combination with air cleaning
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to the field of air conditioning equipment, in particular to a self-cleaning air exchange device; a self-cleaning air breather includes a breather body; the breather body includes: the air pumping and exhausting mechanism, the filtering mechanism and the dust collecting mechanism are sequentially communicated; the dust collector is provided with an air draft impeller, an air exhaust impeller, a first ratchet mechanism, a second ratchet mechanism, a filter cylinder, a guide cover, a guide cylinder, a collecting cylinder, an inner blocking ring, an outer blocking ring and a return air channel arranged at the upper part of the guide cylinder, wherein the air exhaust impeller is driven to rotate by the reverse rotation of a driving motor so as to perform reverse blowing on the filter cylinder, and dust is collected in a centralized manner through the guide cover, the guide cylinder and the collecting cylinder; in addition, the air current through backward flow air flue with reverse jetting is derived outdoor, realizes that the air current is arranged outward, guarantees that the dust lasts the collection effect, cleans the cartridge filter, extension equipment maintenance cycle, convenient to use.
Description
Technical Field
The invention relates to the field of air conditioning equipment, in particular to a self-cleaning air exchange device.
Background
The ventilating fan is an air conditioning appliance, also called as a ventilating fan, which drives blades to rotate by a motor to drive airflow so as to exchange indoor air and outdoor air; the purpose of ventilation is to remove dirty air from the room, and to adjust the temperature, humidity, and sensory effects.
The traditional ventilation fan carries out dust interception on dust contained in air to be entered into the room through setting up the filter screen at the outdoor air inlet end, and along with the accumulation of service time, the filter screen needs frequent dismantlement to be washd complex operation.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a self-cleaning air ventilation device, which can realize reverse blowing and brushing of a filter screen and centralized collection of dust, prolongs the maintenance period of equipment and is simple and convenient to operate.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A self-cleaning air breather includes a breather body; the breather body includes:
the air pumping and exhausting mechanism, the filtering mechanism and the dust collecting mechanism are sequentially communicated;
the pumping and exhausting fan mechanism comprises a pumping and exhausting cylinder which is horizontally installed, extends to the indoor space and is provided with openings at two ends, a pumping impeller and an exhaust impeller which are rotationally installed in the pumping and exhausting cylinder and are in mirror symmetry, a first ratchet mechanism which is installed at the central shaft of the pumping impeller and is connected with a driving shaft, a second ratchet mechanism which is installed at the central shaft of the exhaust impeller, is connected with the driving shaft and is in central symmetry with the first ratchet mechanism, and a driving motor which is connected with the driving shaft and is installed on the outer wall of the pumping and exhausting cylinder;
the filtering mechanism comprises a cylinder which is in threaded connection with one side of the pumping and discharging cylinder far away from the driving motor and is in a horizontal cylinder shape, and a filtering cylinder which is arranged on one side of the cylinder close to the pumping and discharging cylinder and is communicated with the pumping and discharging cylinder;
the dust collecting mechanism comprises a guide cylinder fixedly connected with one side of the cylinder far away from the filter cylinder, a guide cover which is nested at the inner side of the guide cylinder and fixedly connected with the inner wall of the cylinder, a conical cavity which is arranged at one side of the guide cylinder close to the guide cover, a collecting cylinder which is in threaded connection with one side of the guide cylinder far away from the conical cavity and is communicated with the conical cavity, a plurality of groups of inner blocking rings which are fixedly connected with the outer wall of the guide cylinder and are concentrically arranged, outer blocking rings which are fixedly connected with the inner wall of the collecting cylinder and are distributed with the inner blocking rings in a staggered manner, and a return air passage which is arranged at the upper part of the guide cylinder and is communicated with the conical cavity and the inner cavity of the collecting cylinder;
an annular air inlet cavity communicated with the inner cavity of the cylinder is formed between the outer wall of the guide cylinder and the inner wall of the cylinder.
As a further scheme of the invention: a brush roller is arranged in the cylinder and positioned outside the filter cylinder, a rotating ring which is rotatably connected with the cylinder penetrates through the end part of one side of the brush roller, which is close to the exhaust impeller, and is rotatably connected with the rotating ring, and a planetary gear is fixedly connected with the end part of the brush roller, which extends to the outer side of the rotating ring; the outer side of the planetary gear is meshed with a gear ring fixedly connected with the cylinder, and the inner side of the planetary gear is meshed with a sun gear; the sun gear is fixedly connected with a transmission shaft, and the transmission shaft is connected with a central shaft of the exhaust impeller for transmission.
As a further scheme of the invention: a wind speed sensor is arranged in the pumping and discharging cylinder, a protective cover fixedly connected with the side wall of the pumping and discharging cylinder is sleeved on the outer side of the driving motor, a controller is arranged in the protective cover, and a switch is arranged on the outer wall of the protective cover; the controller is electrically connected with the driving motor, the wind speed sensor, the switch and the external power supply through leads respectively.
As a further scheme of the invention: the inner sides of the air draft impeller and the air exhaust impeller are rotatably connected with a supporting pipe fixedly connected with the inner wall of the air draft tube through a support, and a driving shaft sequentially penetrates through a central shaft of the air draft impeller, the supporting pipe and a central shaft of the air exhaust impeller.
As a further scheme of the invention: the first ratchet mechanism comprises a groove ring which is embedded and fixed in a central shaft of the air draft impeller, a pawl which is clamped with the groove ring, a rotating disc which is embedded in the center of the air draft impeller and hinged with the pawl, and a spring leaf which is abutted against the pawl and fixedly connected with the rotating disc; the rotating disc is rotatably connected with the inner wall of the central shaft of the air draft impeller and fixedly sleeved with the driving shaft.
As a further scheme of the invention: one side of the transmission shaft close to the exhaust impeller is provided with a cylindrical part sleeved outside the central shaft of the exhaust impeller.
As a further scheme of the invention: the cartridge filter is a hollow cylinder with uniformly distributed filter holes and an open end on the outer wall of the circumference, and the cartridge filter is in threaded connection with the side wall of the cylinder.
As a further scheme of the invention: the sun gear is provided with a fan-shaped through groove for air flow to pass through.
As a further scheme of the invention: the outer end of the guide cylinder is fixedly connected with the cylinder through a fixing bolt.
As a further scheme of the invention: the lower part of the outer blocking ring is provided with a fan-shaped opening.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the dust collector is provided with an air draft impeller, an air exhaust impeller, a first ratchet mechanism, a second ratchet mechanism, a filter cylinder, a guide cover, a guide cylinder, a collecting cylinder, an inner blocking ring, an outer blocking ring and a return air channel arranged at the upper part of the guide cylinder, wherein the air exhaust impeller is driven to rotate by the reverse rotation of a driving motor so as to perform reverse blowing on the filter cylinder, and dust is collected in a centralized manner through the guide cover, the guide cylinder and the collecting cylinder; in addition, the air current through backward flow air flue with reverse jetting is derived outdoor, realizes that the air current is arranged outward, guarantees that the dust lasts the collection effect, cleans the cartridge filter, extension equipment maintenance cycle, convenient to use.
(2) According to the invention, the brush roller, the rotating ring, the planetary gear, the sun gear and the transmission shaft linked with the exhaust impeller are arranged on the outer side of the filter cylinder, so that the brush roller is driven to do planetary motion during exhaust operation, the surface of the filter cylinder is brushed in a rotating manner, and the cleaning effect is improved.
(3) According to the invention, the air speed sensor, the controller, the driving motor and the switch are arranged, so that the driving motor is conveniently started, the airflow speed is detected when the filter cartridge is blocked, the driving motor is reversely rotated through the controller, the air exhaust cleaning operation is carried out, the manual intervention is reduced, and the use convenience is improved.
(4) The air inlet and exhaust device is provided with the first ratchet mechanism arranged in the air exhaust impeller and the second ratchet mechanism which is arranged in the central shaft of the air exhaust impeller and is in central symmetry with the first ratchet mechanism, so that the driving motor drives different impellers to rotate when driving the driving shaft to rotate forwards and backwards, air inlet and exhaust operation is realized, and the brush roller is driven to rotate and clean when the driving shaft rotates backwards.
(5) The invention realizes multi-layer blocking of airflow containing dust by the inner blocking ring and the outer blocking ring which are distributed in a staggered way, decelerates airflow containing dust, accelerates the sedimentation of the dust, simultaneously enables the airflow after the sedimentation of the dust to flow to a cavity between the guide cover and the conical cavity through the upper backflow air passage, and then is discharged to the outside, realizes the unidirectional flow of the airflow, and ensures the continuous collection of the dust.
Drawings
FIG. 1 is a schematic perspective view of the present invention from a left side;
FIG. 2 is a perspective view of the right side view of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
FIG. 4 is a schematic view of the driving mechanism of the brush roller according to the present invention;
FIG. 5 is an exploded view of an assembly structure of an air exhausting impeller and an air exhausting impeller according to the present invention;
FIG. 6 is a schematic perspective view of the left side of the cylinder of the present invention;
FIG. 7 is a perspective view of the right side of the guide housing of the present invention;
FIG. 8 is a schematic perspective view of the left side of the guide cylinder of the present invention;
FIG. 9 is a schematic perspective view of the left side of the collection canister of the present invention;
FIG. 10 is a perspective view of the right side of the collection canister of the present invention;
FIG. 11 is a schematic view showing the flow direction of the air in the air-extracting operation of the present invention.
Fig. 12 is a schematic view showing the flow direction of the air during the air discharging operation in the present invention.
The reference numbers in the figures illustrate: 1. an air exhausting mechanism; 2. a filtering mechanism; 3. a dust collecting mechanism; 4. a pumping and discharging cylinder; 5. an air draft impeller; 6. an exhaust impeller; 7. supporting a tube; 8. a first ratchet mechanism; 801. a groove ring; 802. rotating the disc; 803. a pawl; 804. a spring plate; 9. a second ratchet mechanism; 10. a drive shaft; 11. a drive motor; 12. a cylinder; 13. a filter cartridge; 14. a guide housing; 15. a guide cylinder; 1501. a tapered cavity; 1502. a return airway; 1503. an inner baffle ring; 16. a collection canister; 1601. an outer barrier ring; 17. a brush roller; 18. a rotating ring; 19. a planetary gear; 20. a sun gear; 21. a drive shaft; 22. a gear ring; 23. a wind speed sensor; 24. a controller; 25. a protective cover; 26. a switch; 27. and (5) fixing the bolt.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-12, in one embodiment of the present invention, a self-cleaning air ventilator includes a ventilator body; the breather body includes:
the pumping and exhausting fan mechanism 1, the filtering mechanism 2 and the dust collecting mechanism 3 are sequentially communicated;
the pumping and exhausting fan mechanism comprises a pumping and exhausting cylinder 4 which is horizontally installed and extends to the indoor space and has two open ends, a pumping impeller 5 and an exhaust impeller 6 which are rotationally installed in the pumping and exhausting cylinder 4 and are in mirror symmetry, a first ratchet mechanism 8 which is installed at the central shaft of the pumping impeller 5 and is connected with a driving shaft 10, a second ratchet mechanism 9 which is installed at the central shaft of the exhaust impeller 6, is connected with the driving shaft 10 and is in central symmetry with the first ratchet mechanism 8, and a driving motor 11 which is connected with the driving shaft 10 and is installed on the outer wall of the pumping and exhausting cylinder 4;
the filtering mechanism 2 comprises a cylinder 12 which is in threaded connection with one side of the pumping and discharging cylinder 4 far away from the driving motor 11 and is in a horizontal cylinder shape, and a filtering cylinder 13 which is arranged on one side of the cylinder 12 close to the pumping and discharging cylinder 4 and is communicated with the pumping and discharging cylinder 4;
the dust collecting mechanism 3 comprises a guide cylinder 15 fixedly connected with one side of the cylinder 12 far away from the filter cartridge 13, a guide cover 14 embedded at the inner side of the guide cylinder 15 and fixedly connected with the inner wall of the cylinder 12, a conical cavity 1501 arranged at one side of the guide cylinder 15 near the guide cover 14, a collecting cylinder 16 in threaded connection with one side of the guide cylinder 15 far away from the conical cavity 1501 and communicated with the conical cavity 1501, a plurality of groups of inner blocking rings 1503 fixedly connected with the outer wall of the guide cylinder 15 and concentrically arranged, outer blocking rings 1601 fixedly connected with the inner wall of the collecting cylinder 16 and distributed with the inner blocking rings 1503 in a staggered manner, and a return air passage 1502 arranged at the upper part of the guide cylinder 15 and communicated with the conical cavity 1501 and the inner cavity of the collecting cylinder 16;
an annular air inlet cavity communicated with the inner cavity of the cylinder 12 is formed between the outer wall of the guide cylinder 15 and the inner wall of the cylinder 12.
Specifically, when air draft operation is performed, the driving motor 11 drives the rotating disc 802 to rotate through the driving shaft 10, the rotating disc 802 drives the groove ring 801 and the air draft impeller 5 connected with the groove ring 801 to rotate through the pawl 803, air flow enters the cylinder 12 through the annular air inlet cavity, then enters the exhaust cylinder 4 through the filter cylinder 13, and then is exhausted into a room; wherein, it should be noted that the pumping and exhausting cylinder 4 is installed at one indoor side and the end surface is provided with a vent hole;
when the air exhaust operation is carried out, the driving motor 11 drives the driving shaft 10 to rotate reversely, at the same time, the driving shaft 10 drives the air exhaust impeller 6 to rotate through the second ratchet mechanism 9, the air exhaust impeller 6 blows indoor air flow reversely to the filter cylinder 13, the filter holes of the filter cylinder 13 are blown reversely, the filter holes are cleaned, meanwhile, the air flow wraps dust and enters the collecting cylinder 16 through the guide cover 14 and the guide cylinder 15, the air flow is decelerated under the blocking action of the inner blocking ring 1503 and the outer blocking ring 1601 which are distributed in a staggered mode to enable the dust to be gathered and settled, meanwhile, the air flow enters the annular cavity formed between the conical cavity 1501 and the guide cover 14 and flows back to the outside through the annular air inlet cavity 1502 on the upper portion of the guide cylinder 15, the unidirectional flow discharge of the air flow is realized, the continuous collecting effect of the dust is ensured, and the automatic cleaning of the filter cylinder is realized, the maintenance period is prolonged, and the operation is simple and convenient.
In this embodiment, a support tube 7 fixedly connected to the inner wall of the exhaust tube 4 via a bracket is rotatably connected to the inner sides of the exhaust impeller 5 and the exhaust impeller 6, and a drive shaft 10 sequentially penetrates through the central shaft of the exhaust impeller 5, the support tube 7 and the central shaft of the exhaust impeller 6.
Specifically, the air exhaust impeller 5 and the air exhaust impeller 6 are fixedly installed through the support pipe 7.
In this embodiment, the first ratchet mechanism 8 includes a groove ring 801 nested and fixed in the central shaft of the draft impeller 5, a pawl 803 clamped with the groove ring 801, a rotating disc 802 nested in the center of the draft impeller 5 and hinged with the pawl 803, and a spring strip 804 abutting against the pawl 803 and fixedly connected with the rotating disc 802; the rotating disc 802 is rotatably connected with the inner wall of the central shaft of the air draft impeller 5 and fixedly sleeved with the driving shaft 10.
Specifically, the first ratchet mechanism 8 and the second ratchet mechanism 9 realize the unidirectional starting of the air exhaust impeller 5 and the air exhaust impeller 6.
In this embodiment, the filter cartridge 13 is a hollow cylinder with uniformly distributed filter holes on the outer circumferential wall and an open end, and the filter cartridge 13 is in threaded connection with the side wall of the cylinder 12.
In particular, the filter cartridge 13 is conveniently disassembled.
In this embodiment, the outer blocking ring 1601 has a fan-shaped opening at the lower part.
Specifically, the dust is accelerated to settle downwards under the action of gravity, and meanwhile, the dust is prevented from flowing along with an airflow line.
In the present embodiment, the sun gear 20 is provided with a fan-shaped through groove through which the air flow passes.
In particular, the air flow from the filter cartridge 13 into the extraction cylinder 4 is made smoother.
In another embodiment of the present invention, a brush roller 17 is disposed inside the cylinder 12 and outside the filter cartridge 13, a rotating ring 18 rotatably connected to the cylinder 12 penetrates through an end portion of the brush roller 17 near the exhaust impeller 6 and is rotatably connected to the rotating ring 18, and a planetary gear 19 is fixedly connected to an end portion of the brush roller 17 extending to an outside of the rotating ring 18; a gear ring 22 fixedly connected with the cylinder 12 is meshed with the outer side of the planetary gear 19, and a sun gear 20 is meshed with the inner side of the planetary gear 19; the sun gear 20 is fixedly connected with a transmission shaft 21, and the transmission shaft 21 is connected with and transmits with the central shaft of the exhaust impeller 6.
Specifically, when the exhaust impeller 6 rotates to exhaust air, the exhaust impeller 6 drives the sun gear 20 to rotate through the transmission shaft 21, the sun gear 20 drives the planetary gear 19 to perform planetary rotation, the surface of the filter cartridge 13 is brushed in a rotating manner, and the cleaning effect of the filter cartridge 13 is improved.
In this embodiment, the transmission shaft 21 is provided with a cylindrical portion that is fitted around the outside of the central axis of the exhaust impeller 6 on the side close to the exhaust impeller 6.
In particular, the connection transmission of the transmission shaft 21 and the central shaft of the exhaust impeller 6 is realized.
In this embodiment, the outer end of the guide cylinder 15 is fixedly connected to the cylinder 12 by a fixing bolt 27.
In particular, a removable fixation between the guide cylinder 15 and the cylinder 12 is achieved.
In another embodiment of the present invention, an air velocity sensor 23 is disposed in the pumping and discharging cylinder 4, a protective cover 25 fixedly connected with the side wall of the pumping and discharging cylinder 4 is sleeved outside the driving motor 11, a controller 24 is disposed in the protective cover 25, and a switch 26 is disposed on the outer wall of the protective cover 25; the controller 24 is electrically connected to the driving motor 11, the wind speed sensor 23, the switch 26 and the external power source through wires.
Specifically, when the wind speed sensor 23 detects that the flow speed of the air flow in the exhaust cylinder 4 is reduced, the controller 24 drives the driving motor 11 to rotate reversely to collect dust, so that manual intervention is reduced; it should be noted that the controller 24 is a PLC controller, the driving motor 11 is a private service motor, and the controller 24, the wind speed sensor 23 and the driving motor 11 are in the prior art, which is not described in detail herein.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. A self-cleaning air breather includes a breather body; it is characterized in that the air interchanger body comprises:
the air exhaust mechanism (1), the filtering mechanism (2) and the dust collecting mechanism (3) are communicated in sequence;
the exhaust fan mechanism comprises an exhaust cylinder (4) which is horizontally installed and extends to the indoor space and is provided with two open ends, an exhaust impeller (5) and an exhaust impeller (6) which are rotationally installed in the exhaust cylinder (4) and are in mirror symmetry, a first ratchet mechanism (8) which is installed at the central shaft of the exhaust impeller (5) and is connected with a driving shaft (10), a second ratchet mechanism (9) which is installed at the central shaft of the exhaust impeller (6) and is connected with the driving shaft (10) and is in central symmetry with the first ratchet mechanism (8), and a driving motor (11) which is connected with the driving shaft (10) and is installed on the outer wall of the exhaust cylinder (4);
the filtering mechanism (2) comprises a horizontal cylindrical cylinder (12) which is in threaded connection with one side of the pumping and discharging cylinder (4) far away from the driving motor (11), and a filtering cylinder (13) which is arranged on one side of the cylinder (12) close to the pumping and discharging cylinder (4) and is communicated with the pumping and discharging cylinder (4);
the dust collection mechanism comprises a guide cylinder (15) fixedly connected with one side of the cylinder (12) far away from the filter cartridge (13), a guide cover (14) embedded at the inner side of the guide cylinder (15) and fixedly connected with the inner wall of the cylinder (12), a conical cavity (1501) formed in one side of the guide cylinder (15) close to the guide cover (14), a collection cylinder (16) in threaded connection with one side of the guide cylinder (15) far away from the conical cavity (1501) and communicated with the conical cavity (1501), a plurality of groups of inner blocking rings (1503) fixedly connected with the outer wall of the guide cylinder (15) and concentrically arranged, outer blocking rings (1601) fixedly connected with the inner wall of the collection cylinder (16) and distributed with the inner blocking rings (1503) in a staggered manner, and a backflow air channel (1502) formed in the guide cylinder (15) and communicated with the conical cavity (1501) and the inner cavity of the collection cylinder (16);
an annular air inlet cavity communicated with the inner cavity of the cylinder (12) is formed between the outer wall of the guide cylinder (15) and the inner wall of the cylinder (12).
2. A self-cleaning air interchanger as recited in claim 1, wherein brush rollers (17) are provided in the cylinder (12) on the outer side of the filter cartridge (13), a rotating ring (18) rotatably connected to the cylinder (12) is penetrated through an end portion of one side of the brush rollers (17) adjacent to the discharge impeller (6) and rotatably connected to the rotating ring (18), and planetary gears (19) are fixedly connected to end portions of the brush rollers (17) extending to the outer side of the rotating ring (18); a gear ring (22) fixedly connected with the cylinder (12) is meshed at the outer side of the planetary gear (19), and a sun gear (20) is meshed at the inner side of the planetary gear (19); the sun gear (20) is fixedly connected with a transmission shaft (21), and the transmission shaft (21) is connected with and drives the central shaft of the exhaust impeller (6).
3. The self-cleaning air ventilation device according to claim 2, wherein a wind speed sensor (23) is arranged in the exhaust cylinder (4), a protective cover (25) fixedly connected with the side wall of the exhaust cylinder (4) is sleeved on the outer side of the driving motor (11), a controller (24) is arranged in the protective cover (25), and a switch (26) is arranged on the outer wall of the protective cover (25); the controller (24) is electrically connected with the driving motor (11), the wind speed sensor (23), the switch (26) and an external power supply through leads respectively.
4. A self-cleaning air exchange device according to claim 1, characterized in that the inner sides of the air draft impeller (5) and the air exhaust impeller (6) are rotatably connected with a support tube (7) fixedly connected with the inner wall of the air draft tube (4) through a bracket, and the driving shaft (10) sequentially penetrates through the central shaft of the air draft impeller (5), the support tube (7) and the central shaft of the air exhaust impeller (6).
5. A self-cleaning air exchange device according to claim 4, characterized in that the first ratchet mechanism (8) comprises a groove ring (801) nested and fixed in the central shaft of the air draft impeller (5), a pawl (803) clamped with the groove ring (801), a rotating disc (802) nested in the center of the air draft impeller (5) and hinged with the pawl (803), and a spring leaf (804) abutted with the pawl (803) and fixedly connected with the rotating disc (802); the rotating disc (802) is rotatably connected with the inner wall of the central shaft of the air draft impeller (5) and fixedly sleeved with the driving shaft (10).
6. A self-cleaning air interchanger according to claim 2, wherein a cylindrical portion which is fitted around the outside of the center axis of the discharge impeller (6) is provided on the side of the drive shaft (21) adjacent to the discharge impeller (6).
7. The self-cleaning air interchanger as claimed in claim 1, wherein the filter cartridge (13) is a hollow cylinder with filter holes uniformly distributed on the outer circumferential wall and an open end, and the filter cartridge (13) is in threaded connection with the side wall of the cylinder (12).
8. A self-cleaning air exchange device according to claim 2, wherein said sun gear (20) is provided with a fan-shaped through slot for the passage of air.
9. A self-cleaning air exchange device according to claim 2, characterised in that the outer end of the guide cylinder (15) is fixedly connected to the cylinder (12) by means of fixing bolts (27).
10. The self-cleaning air exchange device as claimed in claim 1, wherein the outer baffle ring (1601) is formed with a fan-shaped opening at a lower portion thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210573102.7A CN114669139A (en) | 2022-05-25 | 2022-05-25 | Self-cleaning air exchange device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210573102.7A CN114669139A (en) | 2022-05-25 | 2022-05-25 | Self-cleaning air exchange device |
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| CN114669139A true CN114669139A (en) | 2022-06-28 |
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| CN202210573102.7A Pending CN114669139A (en) | 2022-05-25 | 2022-05-25 | Self-cleaning air exchange device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116036757A (en) * | 2022-12-21 | 2023-05-02 | 内蒙古蒙西煤炭有限责任公司 | Full-automatic filter cleaning device |
| CN116174416A (en) * | 2023-02-01 | 2023-05-30 | 江苏晨达半导体科技有限公司 | Semiconductor mill ventilation pipe cleaning device |
| CN116619309A (en) * | 2023-06-28 | 2023-08-22 | 浙江德创智能科技有限公司 | Lithium electric drill with dust removal function |
| CN116764346A (en) * | 2023-08-18 | 2023-09-19 | 深圳市昱森机电有限公司 | Motor air inlet filtering mechanism |
| CN117180873A (en) * | 2023-11-07 | 2023-12-08 | 湖南省康普通信技术有限责任公司 | Air conditioner filter equipment with high precision filtration and purification performance |
| CN117989650A (en) * | 2024-04-03 | 2024-05-07 | 福建瑞博恩环境科技有限公司 | Degerming equipment for fresh air system |
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| CN116174416A (en) * | 2023-02-01 | 2023-05-30 | 江苏晨达半导体科技有限公司 | Semiconductor mill ventilation pipe cleaning device |
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| CN116619309A (en) * | 2023-06-28 | 2023-08-22 | 浙江德创智能科技有限公司 | Lithium electric drill with dust removal function |
| CN116764346A (en) * | 2023-08-18 | 2023-09-19 | 深圳市昱森机电有限公司 | Motor air inlet filtering mechanism |
| CN116764346B (en) * | 2023-08-18 | 2023-11-07 | 深圳市昱森机电有限公司 | Motor air inlet filtering mechanism |
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| CN117989650A (en) * | 2024-04-03 | 2024-05-07 | 福建瑞博恩环境科技有限公司 | Degerming equipment for fresh air system |
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Application publication date: 20220628 |