CN110686348B - Top type fresh air replacement air purifier - Google Patents
Top type fresh air replacement air purifier Download PDFInfo
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- CN110686348B CN110686348B CN201910997926.5A CN201910997926A CN110686348B CN 110686348 B CN110686348 B CN 110686348B CN 201910997926 A CN201910997926 A CN 201910997926A CN 110686348 B CN110686348 B CN 110686348B
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- connecting sleeve
- filter assembly
- air
- filter
- air quality
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- 238000001914 filtration Methods 0.000 claims abstract description 50
- 238000004891 communication Methods 0.000 claims abstract description 3
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 230000003139 buffering effect Effects 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000004887 air purification Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 238000000746 purification Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 2
- -1 particulate matters Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Fluid Mechanics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
A top-type fresh air replacement air purifier relates to the technical field of air purification, is installed in a through-wall hole reserved for an outer hanging machine and indoor communication of an air conditioner, and comprises a fixing device, an air draft device and a filtering device. The wall hole is reserved in the building process of the house and used for communicating indoor and air conditioner external hanging machines, the device is arranged in the existing wall hole of the house, outdoor air can be extracted and filtered and then enters the house, the original indoor structure does not need to be modified, and the workload and the cost are low. The device has the advantages of small volume, convenient installation, low overall power consumption and low noise, and the main power consumption source is only consumed by the air draft device for drawing fresh air, and the device adopts multi-stage multi-layer filtration and belongs to the fresh air purification type, so that the air filtration efficiency is high, and indoor and outdoor air circulation can be realized.
Description
Technical Field
The invention relates to the technical field of air purification, in particular to a top type fresh air replacement air purifier.
Background
The air purifier is a healthy household appliance, and can effectively improve indoor air quality by filtering out inhalable particles and gases harmful to human bodies in the air, thereby creating a healthy and clean indoor living environment for people.
In recent years, air cleaners are of various types and types, and the following two types are commonly used: an indoor air purifier is placed in any indoor space to treat the original indoor air, and can purify smoke, particulate matters, dust and the like in the indoor air, but the purification mode can achieve a good purification effect only by sealing doors and windows, so that the indoor oxygen content is reduced after long-time purification in the working mode, and the physical health of people is affected to a certain extent; the other kind is fresh air purifier, except can handle indoor polluted air, can also carry fresh clean air to indoor after filtering and adsorbing outdoor air, but this kind of fresh air purification has one kind to adopt fresh air system, and the price is high, and the installation is complicated, needs the furred ceiling to lay tuber pipe and a plurality of wall perforation, often can only install when the house is decorated, and the later stage transformation degree of difficulty is very big, and another kind of fresh air purification is window formula fresh air purifier, need reform transform window frame or remove partial area on window glass and install ventilation purification device additional, and this kind of fresh air purification device compares fresh air system installation simpler, but the structure is complicated, and the cost is higher, needs to change work such as glass or reform transform window frame.
Therefore, the fresh air purification is higher in applicability than indoor purification, but the existing fresh air purification device needs to reform the original indoor structure, and the workload and cost are higher.
Disclosure of Invention
In view of the above, it is desirable to provide a top-type replacement fresh air purifier that can be installed and used without modifying the original indoor structure.
The top type fresh air replacement air purifier is arranged in a wall through hole reserved in the outer hanging machine of the air conditioner and communicated with the indoor space, and is connected with a fixing device, an air draft device and a filtering device; the fixing device comprises a connecting cylinder and a fixing ring disc, one end of the connecting cylinder is connected with the fixing ring disc, the connecting cylinder is coaxial and concentric with the fixing ring disc, the other end of the connecting cylinder is connected with the air draft device, the connecting cylinder is sleeved on the filtering device, both ends of the connecting cylinder are open, the diameter of the connecting cylinder is not larger than that of the wall through hole, and the outer diameter of the fixing ring disc is larger than that of the wall through hole, so that the fixing ring disc can be fixedly attached to the wall around the wall through hole after the connecting cylinder is inserted into the wall through hole; the filtering device comprises a first filtering component, a second filtering component, a third filtering component and a fourth filtering component which are connected end to end in sequence, and the first filtering component is detachably connected with the air exhausting device.
Preferably, a buffer device is arranged between the connecting cylinder and the outer wall of the filtering device, the buffer device is a flexible elastic piece, and two ends of the buffer device are respectively in close contact with the inner wall of the connecting cylinder and the outer wall of the filtering device; the buffering device is a herringbone elastic sheet and comprises an upper half sheet and a lower half sheet which are symmetrical in structure, the upper half sheet is an arc-shaped elastic sheet, one ends of the upper half sheet and the lower half sheet are fixedly connected, the other ends of the upper half sheet and the lower half sheet are arranged in a back-to-back mode, movable pull ropes are arranged at the connecting ends of the upper half sheet and the lower half sheet, and the end portions of the movable pull ropes are located outside the connecting cylinders.
Preferably, one end of each of the first filter assembly, the second filter assembly, the third filter assembly and the fourth filter assembly can be detachably connected with the air exhausting device, and the first filter assembly, the second filter assembly, the third filter assembly and the fourth filter assembly can be detachably connected with each other in an arbitrary two-to-two mode, namely, the first filter assembly positioned at the head end can be detached and detachably connected with the fourth filter assembly, and the second filter assembly can be moved to the head end and detachably connected with the air exhausting device so as to conveniently replace or clean any filter assembly.
Preferably, the updraft ventilator includes first adapter sleeve, axial fan, go-between dish, first adapter sleeve cover is established in the axial fan outside, and coaxial concentricity between them, relative fixation, the one end of first adapter sleeve can dismantle with first filter component and be connected, the other end and the go-between dish screw connection of first adapter sleeve, and first adapter sleeve and go-between dish coaxial concentricity, the external diameter of go-between dish is greater than the external diameter of first adapter sleeve, the border and the other end screw connection of connecting cylinder of go-between dish, the connecting cylinder cover is established in first adapter sleeve outside and both contactless, so that first adapter sleeve is followed and is torn out from the connecting cylinder.
Preferably, a filling layer is arranged between the first connecting sleeve and the axial flow fan so as to seal and fix the first connecting sleeve and the axial flow fan relatively.
Preferably, the first filter component comprises a second connecting sleeve, a first filter layer, a second filter layer and a third filter layer which are arranged end to end, and the second connecting sleeve is sleeved on the outer walls of the first filter layer, the second filter layer and the third filter layer.
Preferably, the first filter layer comprises a fastening ring and a filter screen, the filter screen covers the fastening ring, the filter screen completely covers the inner circle of the fastening ring, the surface area of the filter screen is larger than the outer circle area of the fastening ring, the edge of the filter screen is positioned between the fastening ring and the second connecting sleeve, so that the filter screen is clamped and fixed through the fastening ring and the second connecting sleeve, the second connecting sleeve is sleeved on the fastening ring, and a gap between the second connecting sleeve and the fastening ring is smaller than the thickness of the filter screen.
Preferably, the second connecting sleeve is in a reducing cylinder shape, the inner diameter of the second connecting sleeve gradually decreases from one end far away from the axial flow fan to one end close to the axial flow fan, and the maximum diameter of the second connecting sleeve is larger than the outer diameter of the fastening ring, so that the fastening ring enters from the maximum diameter of the second connecting sleeve and is fixed at the minimum diameter of the second connecting sleeve.
Preferably, the second filter layer and the third filter layer are the same as the first filter layer; the structures of the second filter assembly, the third filter assembly and the fourth filter assembly are the same as those of the first filter assembly, and the filter materials adopted by the filter screens of the first filter assembly, the second filter assembly, the third filter assembly and the fourth filter assembly are different.
Preferably, the top-type fresh air replacement air purifier further comprises a control device, the control device comprises an air quality detector and a controller, the air quality detector is arranged indoors and is electrically connected with the controller, the controller comprises a data conversion module, a numerical value judgment module and a switch control module, the air quality detector is electrically connected with the data conversion module, the data conversion module is electrically connected with the numerical value judgment module, the numerical value judgment module is electrically connected with the switch control module, and the switch control module is electrically connected with a switch of the axial flow fan; the air quality detector detects indoor air quality and transmits air quality data to the data conversion module, the data conversion module converts the received air quality data into an air quality value and transmits the air quality value to the value judgment module, the value judgment module compares the received air quality value with a pre-stored standard value, if the air quality value is higher than the pre-stored standard value, a closing signal is generated and transmitted to the switch control module, and the switch control module receives the signal and controls the axial flow fan to be closed; if the air quality value is lower than the pre-stored standard value, an opening signal is generated and transmitted to the switch control module, and the switch control module receives the signal and controls the axial flow fan to be started.
The invention adopts the technical proposal and has the beneficial effects that: the wall hole is reserved in the building process of the house and used for communicating indoor and air conditioner external hanging machines, the device is arranged in the existing wall hole of the house, outdoor air can be extracted and filtered and then enters the house, the original indoor structure does not need to be modified, and the workload and the cost are low. The device has the advantages of small volume, convenient installation, low overall power consumption and low noise, and the main power consumption source is only consumed by the air draft device for drawing fresh air, and the device adopts multi-stage multi-layer filtration and belongs to the fresh air purification type, so that the air filtration efficiency is high, and indoor and outdoor air circulation can be realized.
Drawings
FIG. 1 is a schematic cross-sectional view of a top-mounted replacement fresh air purifier.
Fig. 2 is a partial enlarged view of a in fig. 1.
Fig. 3 is a partial enlarged view of B in fig. 1.
Fig. 4 is a schematic structural view of a top-type replacement fresh air purifier except for a fixing device and a connecting ring disc.
Fig. 5 is a schematic structural view of the first coupling sleeve.
Fig. 6 is a schematic structural view of the second connecting sleeve in a connection state with the fastening ring.
Fig. 7 is a state diagram of the use of the top-type replacement fresh air purifier.
Fig. 8 is a control schematic diagram of the control device.
Fig. 9 is a schematic cross-sectional view of a top-level replacement fresh air purifier according to another embodiment.
Fig. 10 is a partial enlarged view of C in fig. 9.
In the figure: the top-type fresh air replacement air purifier 10, the fixing device 20, the connecting cylinder 21, the fixing ring disc 22, the air exhausting device 30, the first connecting sleeve 31, the axial flow fan 32, the connecting ring disc 33, the filling layer 34, the filtering device 40, the first filtering component 41, the second connecting sleeve 411, the first filtering layer 412, the fastening ring 4121, the filtering net 4122, the second filtering layer 413, the third filtering layer 414, the second filtering component 42, the third filtering component 43, the fourth filtering component 44, the buffer device 50, the upper half piece 51, the lower half piece 52, the movable stay cord 53, the control device 60, the air quality detector 61, the controller 62, the data conversion module 621, the numerical value judgment module 622, the switch control module 623 and the wall 100.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Referring to fig. 1,2, 4 and 7, the embodiment of the invention provides a top-type fresh air replacement air purifier 10, which is installed in a through wall hole reserved for communication between an external hanging machine and an indoor space of an air conditioner, and comprises a fixing device 20, an air draft device 30 and a filtering device 40, wherein the fixing device 20 is connected with the air draft device 30, and the air draft device 30 is connected with the filtering device 40; the fixing device 20 comprises a connecting cylinder 21 and a fixing ring disc 22, one end of the connecting cylinder 21 is connected with the fixing ring disc 22, the connecting cylinder 21 and the fixing ring disc 22 are coaxial and concentric, the other end of the connecting cylinder 21 is connected with the air exhausting device 30, the connecting cylinder 21 is sleeved on the filtering device 40, both ends of the connecting cylinder 21 are open, the diameter of the connecting cylinder 21 is not larger than that of a wall through hole, the outer diameter of the fixing ring disc 22 is larger than that of the wall through hole, and after the connecting cylinder 21 is inserted into the wall through hole, the fixing ring disc 22 can be attached to and fixed with the wall surface around the wall through hole; the filtering device 40 comprises a first filtering component 41, a second filtering component 42, a third filtering component 43 and a fourth filtering component 44 which are connected end to end in sequence, and the first filtering component 41 is also detachably connected with the air exhausting device 30. The air draft device 30 is close to the outside, the filtering device 40 is close to the inside, and the fixing ring disc 22 is located indoors due to the design form of the fixing device 20, so that the device is convenient to install.
Referring to fig. 1 and 3, further, a buffer device 50 is disposed between the connecting tube 21 and the outer wall of the filtering device 40, the buffer device 50 is a flexible elastic member, and two ends of the buffer device 50 are respectively in close contact with the inner wall of the connecting tube 21 and the outer wall of the filtering device 40; the buffering device 50 is a herringbone elastic piece, the buffering device 50 comprises an upper half piece 51 and a lower half piece 52 which are symmetrical in structure, the upper half piece 51 is an arc-shaped elastic piece, one ends of the upper half piece 51 and the lower half piece 52 are fixedly connected, the other ends of the upper half piece 51 and the lower half piece 52 are arranged in a reverse mode, a movable pull rope 53 is arranged at the connecting end of the upper half piece 51 and the connecting end of the lower half piece 52, the end portion of the movable pull rope 53 is located outside the connecting cylinder 21, the buffering device 50 is taken out through pulling the movable pull rope 53, and detachment between the connecting cylinder 21 and the first connecting sleeve 31 is facilitated.
Referring to fig. 1, further, one end of each of the first filter assembly 41, the second filter assembly 42, the third filter assembly 43 and the fourth filter assembly 44 is detachably connected to the air extraction device 30, and the first filter assembly 41, the second filter assembly 42, the third filter assembly 43 and the fourth filter assembly 44 can be detachably connected to each other in any pair, i.e. the first filter assembly 41 at the head end can be detached and detachably connected to the fourth filter assembly 44, and the second filter assembly 42 can be moved to the head end and detachably connected to the air extraction device 30, so as to replace or clean any filter assembly.
Referring to fig. 1, 5 and 7, further, the air extracting device 30 includes a first connecting sleeve 31, an axial fan 32 and a connecting ring disc 33, the first connecting sleeve 31 is sleeved outside the axial fan 32, and is coaxial and concentric with the axial fan, and is relatively fixed, one end of the first connecting sleeve 31 is detachably connected with the first filter assembly 41, the other end of the first connecting sleeve 31 is connected with a screw of the connecting ring disc 33, and the first connecting sleeve 31 is coaxial and concentric with the connecting ring disc 33, the outer diameter of the connecting ring disc 33 is larger than the outer diameter of the first connecting sleeve 31, the edge of the connecting ring disc 33 is connected with the screw of the other end of the connecting cylinder 21, and the connecting cylinder 21 is sleeved outside the first connecting sleeve 31 and is not contacted with the first connecting sleeve 31 so that the first connecting sleeve 31 can be detached from the connecting cylinder 21. In the present embodiment, the axial flow fan 32 is a 4cm two-motor booster fan.
Referring to fig. 1 and 3, further, the buffer device 50 is disposed between the connecting cylinder 21 and the first connecting sleeve 31 to play a role of buffering and limiting, so that the filter device 40 is stable relative to the fixing device 20, and the third filter assembly 43 and the fourth filter assembly 44 far away from the axial flow fan 32 are prevented from shaking eccentrically when the axial flow fan 32 is in suction operation.
Referring to fig. 1, further, a filling layer 34 is disposed between the first connecting sleeve 31 and the axial flow fan 32 to seal and fix the first connecting sleeve 31 and the axial flow fan 32, and the filling layer 34 is made of foam rubber to seal and fix the first connecting sleeve 31 and the axial flow fan 32.
Referring to fig. 1 and 6, further, the first filter assembly 41 includes a second connecting sleeve 411, and a first filter layer 412, a second filter layer 413, and a third filter layer 414 disposed side by side from the head to the tail, wherein the second connecting sleeve 411 is sleeved on the outer walls of the first filter layer 412, the second filter layer 413, and the third filter layer 414.
Referring to fig. 1, further, the first filter layer 412 includes a fastening ring 4121 and a filter screen 4122, the filter screen 4122 covers the fastening ring 4121, the filter screen 4122 completely covers the inner circumference of the fastening ring 4121, the surface area of the filter screen 4122 is larger than the outer circumference of the fastening ring 4121, the edge of the filter screen 4122 is located between the fastening ring 4121 and the second connecting sleeve 411 to clamp and fix the filter screen 4122 through the fastening ring 4121 and the second connecting sleeve 411, the second connecting sleeve 411 is sleeved on the fastening ring 4121, and the gap between the second connecting sleeve 411 and the fastening ring 4121 is smaller than the thickness of the filter screen 4122, so that the second connecting sleeve 411 forms an interference fit with the fastening ring 4121, and the gap is 1-2 mm.
Further, the second connecting sleeve 411 has a variable diameter cylinder shape, and the inner diameter of the second connecting sleeve 411 is gradually reduced from one end far from the axial flow fan 32 to one end close to the axial flow fan 32, and the maximum diameter of the second connecting sleeve 411 is larger than the outer diameter of the fastening ring 4121, so that the fastening ring 4121 enters from the maximum diameter of the second connecting sleeve 411 and is fixed at the minimum diameter of the second connecting sleeve 411.
Referring to fig. 1, further, the second filter layer 413 and the third filter layer 414 are the same as the first filter layer 412; the structures of the second filter assembly 42, the third filter assembly 43 and the fourth filter assembly 44 are the same as those of the first filter assembly 41, and the filter materials adopted by the filter screen of the first filter assembly 41, the filter screen of the second filter assembly 42, the filter screen of the third filter assembly 43 and the filter screen of the fourth filter assembly 44 are different so as to filter the dust, smoke, stink, benzene aldehydes and other harmful gases in the air.
Further, the other end of the first connecting sleeve 31 is provided with external threads, one end of each second connecting sleeve 411 is provided with external threads, the other end of each second connecting sleeve 411 is provided with internal threads, all the internal threads are matched with all the external threads, so that the other end of the first connecting sleeve 31 can be connected with one end of each second connecting sleeve 411 in a threaded manner, and the other end of each second connecting sleeve 411 can be connected with one end of another second connecting sleeve 411 in a threaded manner, thereby facilitating disassembly and assembly, and facilitating replacement or cleaning of a filter screen.
Referring to fig. 8, further, the top-type fresh air replacement air purifier 10 further includes a control device 60, the control device 60 includes an air quality detector 61 and a controller 62, the air quality detector 61 is disposed indoors, the air quality detector 61 is electrically connected with the controller 62, the controller 62 includes a data conversion module 621, a numerical judgment module 622 and a switch control module 623, the air quality detector 61 is electrically connected with the data conversion module 621, the data conversion module 621 is electrically connected with the numerical judgment module 622, the numerical judgment module 622 is electrically connected with the switch control module 623, and the switch control module 623 is electrically connected with the switch of the axial fan 32; the air quality detector 61 detects the indoor air quality and transmits the air quality data to the data conversion module 621, the data conversion module 621 converts the received air quality data into an air quality value and transmits the value to the value judgment module 622, the value judgment module 622 compares the received air quality value with a pre-stored standard value, if the air quality value is higher than the pre-stored standard value, a closing signal is generated and transmitted to the switch control module 623, and the switch control module 623 receives the signal and controls the axial flow fan 32 to be closed; if the air quality value is lower than the pre-stored standard value, an opening signal is generated and transmitted to the switch control module 623, and the switch control module 623 receives the signal and controls the axial flow fan 32 to be turned on.
Referring to fig. 9 and 10, in another embodiment, screw holes are formed on the connecting cylinder 21 and the connecting ring 33 to connect the connecting cylinder 21 with the connecting ring 33 by screws, and screw holes are also formed on the first connecting sleeve 31 to connect the first connecting sleeve 31 with the connecting ring 33 by screws.
When the device is specifically used, the connecting cylinder 21 connected with the air draft device 30 and the filter device 40 is inserted into a through-wall hole from the inside, the fixed ring disc 22 is fixed on the wall around the through-wall hole in a screw or bonding mode so as to fix the air draft device 30 and the filter device 40, the axial flow fan 32 is opened, the axial flow fan 32 is used for extracting outdoor air, the air is conveyed to the filter device 40, the filter screen of the first filter assembly 41, the filter screen of the second filter assembly 42, the filter screen of the third filter assembly 43 and the filter screen of the fourth filter assembly 44 are filtered layer by layer, and the filtered fresh air is conveyed to the inside. After the filter screen of the first filter assembly 41, the filter screen of the second filter assembly 42, the filter screen of the third filter assembly 43 and the filter screen of the fourth filter assembly 44 which are close to the axial flow fan 32 lose the filtering capacity, the filter screen newly loaded into each filter assembly is ejected from one end close to the fan to be scrapped.
When the filter screen needs to be replaced, only the fourth filter assembly 44, the third filter assembly 43, the second filter assembly 42 and the second connecting sleeve 411 of the first filter assembly 41 need to be screwed in sequence, so that the filter assemblies are separated.
In this scheme, fixing device 20's setting method makes installation top formula replacement new trend air purifier 10 convenient, can increase and decrease filter component according to filterable needs.
The foregoing disclosure is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the scope of the invention, as it is understood by those skilled in the art that all or part of the above-described embodiments may be practiced with equivalents thereof, which fall within the scope of the invention as defined by the appended claims.
Claims (6)
1. A top type replacement fresh air purifier is installed in a wall hole reserved by an outer hanging machine and indoor communication of an air conditioner, and is characterized in that: the device comprises a fixing device, an air draft device and a filtering device, wherein the fixing device is connected with the air draft device, and the air draft device is connected with the filtering device; the fixing device comprises a connecting cylinder and a fixing ring disc, one end of the connecting cylinder is connected with the fixing ring disc, the connecting cylinder is coaxial and concentric with the fixing ring disc, the other end of the connecting cylinder is connected with the air draft device, the connecting cylinder is sleeved on the filtering device, both ends of the connecting cylinder are open, the diameter of the connecting cylinder is not larger than that of the wall through hole, and the outer diameter of the fixing ring disc is larger than that of the wall through hole, so that the fixing ring disc can be fixedly attached to the wall around the wall through hole after the connecting cylinder is inserted into the wall through hole; the filtering device comprises a first filtering component, a second filtering component, a third filtering component and a fourth filtering component which are connected end to end in sequence, and the first filtering component is also detachably connected with the air exhausting device; a buffer device is arranged between the connecting cylinder and the outer wall of the filtering device, the buffer device is a flexible elastic piece, and two ends of the buffer device are respectively in close contact with the inner wall of the connecting cylinder and the outer wall of the filtering device; the buffering device is a herringbone elastic piece and comprises an upper half piece and a lower half piece which are symmetrical in structure, the upper half piece is an arc-shaped elastic piece, one ends of the upper half piece and the lower half piece are fixedly connected, the other ends of the upper half piece and the lower half piece are arranged in a back-to-back mode, movable pull ropes are arranged at the connecting ends of the upper half piece and the lower half piece, and the end portions of the movable pull ropes are located outside the connecting cylinders; one end of each of the first filter assembly, the second filter assembly, the third filter assembly and the fourth filter assembly can be detachably connected with the air exhausting device, and the first filter assembly, the second filter assembly, the third filter assembly and the fourth filter assembly can be detachably connected with each other end to end at random, namely the first filter assembly positioned at the head end can be detached and detachably connected with the fourth filter assembly, and the second filter assembly can be moved to the head end and detachably connected with the air exhausting device so as to facilitate replacement or cleaning of any filter assembly; the air draft device comprises a first connecting sleeve, an axial flow fan and a connecting ring disc, wherein the first connecting sleeve is sleeved outside the axial flow fan, is coaxial and concentric with the axial flow fan and is relatively fixed, one end of the first connecting sleeve is detachably connected with the first filter assembly, the other end of the first connecting sleeve is connected with the connecting ring disc through screws, the first connecting sleeve is coaxial and concentric with the connecting ring disc, the outer diameter of the connecting ring disc is larger than that of the first connecting sleeve, the edge of the connecting ring disc is connected with the other end of the connecting cylinder through screws, and the connecting cylinder is sleeved outside the first connecting sleeve and is not contacted with the first connecting sleeve so as to facilitate the first connecting sleeve to be detached from the connecting cylinder; and a filling layer is arranged between the first connecting sleeve and the axial flow fan so as to seal and fix the first connecting sleeve and the axial flow fan relatively.
2. The top-mounted replacement fresh air purifier of claim 1, wherein: the first filter component comprises a second connecting sleeve, a first filter layer, a second filter layer and a third filter layer which are arranged end to end in parallel, and the second connecting sleeve is sleeved on the outer walls of the first filter layer, the second filter layer and the third filter layer.
3. The top-mounted replacement fresh air purifier of claim 2, wherein: the first filter layer comprises a fastening ring and a filter screen, the filter screen covers the fastening ring, the filter screen completely covers the inner circle of the fastening ring, the surface area of the filter screen is larger than the outer circle area of the fastening ring, the edge of the filter screen is positioned between the fastening ring and the second connecting sleeve, the filter screen is clamped and fixed through the fastening ring and the second connecting sleeve, the second connecting sleeve is sleeved on the fastening ring, and the gap between the second connecting sleeve and the fastening ring is smaller than the thickness of the filter screen.
4. The top-mounted replacement fresh air purifier of claim 3, wherein: the second connecting sleeve is in a reducing cylinder shape, the inner diameter of the second connecting sleeve gradually decreases from one end far away from the axial flow fan to one end close to the axial flow fan, and the maximum diameter of the second connecting sleeve is larger than the outer diameter of the fastening ring, so that the fastening ring enters from the maximum diameter of the second connecting sleeve and is fixed at the minimum diameter of the second connecting sleeve.
5. The top-mounted replacement fresh air purifier of claim 4, wherein: the second filter layer and the third filter layer are the same as the first filter layer; the structures of the second filter assembly, the third filter assembly and the fourth filter assembly are the same as those of the first filter assembly, and the filter materials adopted by the filter screens of the first filter assembly, the second filter assembly, the third filter assembly and the fourth filter assembly are different.
6. The top-mounted replacement fresh air purifier of claim 5, wherein: the control device comprises an air quality detector and a controller, wherein the air quality detector is arranged indoors, the air quality detector is electrically connected with the controller, the controller comprises a data conversion module, a numerical value judgment module and a switch control module, the air quality detector is electrically connected with the data conversion module, the data conversion module is electrically connected with the numerical value judgment module, the numerical value judgment module is electrically connected with the switch control module, and the switch control module is electrically connected with a switch of the axial flow fan; the air quality detector detects indoor air quality and transmits air quality data to the data conversion module, the data conversion module converts the received air quality data into an air quality value and transmits the air quality value to the value judgment module, the value judgment module compares the received air quality value with a pre-stored standard value, if the air quality value is higher than the pre-stored standard value, a closing signal is generated and transmitted to the switch control module, and the switch control module receives the signal and controls the axial flow fan to be closed; if the air quality value is lower than the pre-stored standard value, an opening signal is generated and transmitted to the switch control module, and the switch control module receives the signal and controls the axial flow fan to be started.
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