CN108826460B - Household air purification equipment - Google Patents
Household air purification equipment Download PDFInfo
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- CN108826460B CN108826460B CN201810740312.4A CN201810740312A CN108826460B CN 108826460 B CN108826460 B CN 108826460B CN 201810740312 A CN201810740312 A CN 201810740312A CN 108826460 B CN108826460 B CN 108826460B
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray 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
- F24F13/28—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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
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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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0042—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater characterised by the application of thermo-electric units or the Peltier effect
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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
- F24F8/117—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 wet filtering
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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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/144—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only
- F24F2003/1446—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only by condensing
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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)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physical Water Treatments (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a household air purification device, which comprises a rectangular tubular case, wherein a partition plate is formed at the lower part of the middle position in the case, a water baffle mounting beam is formed above the partition plate in the case, and a refrigerating sheet mounting groove, a water spray plate mounting frame, an air inlet guide plate and an air deflector mounting frame are formed on the inner wall of the case; when the water curtain device works, the control circuit board controls the water pump and the fan to work simultaneously, the water pump pumps the water in the water storage box into the filter, the filtered pure water is pumped into the water spraying plate and sprayed out from the water spraying opening at the lower part of the water spraying plate, and the sprayed water flows to the water curtain to form the concave conical inclined plane of the column and then forms the water curtain when flowing out; the invention not only utilizes the semiconductor refrigeration piece to dehumidify the filtered air, but also utilizes the heat generated by the semiconductor refrigeration piece to heat the unfiltered air, thereby intensifying the Brownian motion of the air, so that the air is more contacted with the water curtain when passing through the water curtain, and the air purification effect is enhanced.
Description
Technical Field
The invention belongs to the field of air purifiers, and particularly relates to a household air purification device.
Background
Chinese patent application No. CN201410208170.9 discloses an air purification device with water spray as the main part and semiconductor refrigeration and heating effect as the auxiliary part, which uses a group of P-N junction semiconductor devices (semiconductor refrigeration sheets) to condense the air filtered by the water spray so as to liquefy the water vapor carried by the air during filtration, and then heats the air through the hot surface of the semiconductor refrigeration sheets so as to recover the air to the temperature close to the original temperature. Although the scheme can remove water vapor carried in the air, the purification effect of the air cannot be well influenced.
In addition, when air is filtered and purified by using a water spraying mode, dust in the air is brought into the water, so that the water becomes turbid gradually, the water needs to be changed more frequently, and otherwise, the air purification effect is affected.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the defects in the prior art, the household air purification equipment is provided.
In order to realize the purpose of the invention, the following technical scheme is adopted for realizing the purpose: a household air purification device comprises a case which is integrally rectangular and tubular, a partition plate is formed at the lower part of the middle position in the case, a water baffle mounting beam is formed above the partition plate in the case, a refrigerating sheet mounting groove is formed on the inner wall of one side of the water baffle mounting beam in the case, a water spray plate mounting frame is formed on the inner wall of the other side of the water baffle mounting beam in the case, an air inlet guide plate is formed below the refrigerating sheet mounting groove on one side of the partition plate in the case, and an air deflector mounting frame is formed on the other side of the partition plate in the case;
the air inlet guide plate is positioned above the outer end of the case and is provided with a fan for exhausting air into the case;
the part of the air inlet guide plate, which is close to the partition plate, inclines from outside to inside, and the part of the air inlet guide plate, which is close to the end part of the case, inclines from inside to outside;
the semiconductor refrigerating pieces with the upper cold surfaces and the lower hot surfaces are mounted on the refrigerating piece mounting grooves, and the lower ends of the semiconductor refrigerating pieces are connected with radiating aluminum seats; the upper end of the semiconductor refrigeration sheet is connected with a condensation aluminum seat; the inner end of the semiconductor refrigerating piece is positioned at the upper end of the water baffle mounting beam, and the semiconductor refrigerating piece is obliquely arranged from outside to inside;
the wind deflector mounting frame is provided with a wind deflector which is used for guiding air into the lower part of the case and is L-shaped, the upper part of the wind deflector is propped against the side surface of the water baffle mounting beam, and an air channel for airflow to flow downwards is formed between the lower part of the wind deflector and the partition plate;
the water baffle mounting beam is provided with a water baffle, a horizontal strip-shaped hole is formed in the water baffle, and the lower wall surface of the strip-shaped hole is a slope surface;
an air outlet is formed in the top of the case above the condensing aluminum seat;
a water storage box is arranged on one side of the partition plate, which is different from the air inlet guide plate, in the case, a waste water box is arranged in the water storage box through the partition plate, an overflow hole is formed in the upper part of the partition plate, and a filter screen is arranged on the overflow hole;
a water pump, a filter, a wastewater electromagnetic valve, an electromagnetic valve a and a control circuit board are arranged in a space enclosed by the partition plate and the air inlet guide plate in the case; the fan, the wastewater electromagnetic valve, the electromagnetic valve a and the water pump are respectively and electrically connected with the control circuit board; the water pump and the filter are fixedly arranged on the partition plate through the mounting frame, and the control circuit board is arranged at the lower end of the air inlet guide plate; the water spraying plate mounting rack is provided with a water spraying plate;
the lower end of the filter is provided with a water inlet and a water outlet and a pure water outlet interface;
a plurality of rows of water spraying nozzles are formed at the lower part of the water spraying plate, and the water spraying nozzles are circular;
the upper end of the filter is provided with a water inlet joint, and the lower end of the filter is provided with a pure water outlet port and a wastewater outlet port;
a water curtain forming plate is arranged between the water spraying plate and the water storage box and is correspondingly installed with the water spraying plate; a water curtain forming plate mounting frame is formed on the inner wall of the case corresponding to the position of the water curtain forming plate;
the upper surface of the water curtain forming plate is provided with water curtain forming columns corresponding to the positions of the water spray ports;
the water curtain forming plate is provided with a drainage groove which penetrates through the water curtain forming plate; the lower surface of the water curtain forming plate is connected with an inverted V-shaped drainage plate corresponding to the drainage groove;
the upper end of the water curtain forming column is formed with an inward-concave conical inclined plane for forming the water curtain;
the water inlet end of the water pump is connected with the water storage box through a water inlet pipe, the water outlet end of the water pump is connected with the water inlet and the water outlet of the filter through a pipeline, the pure water outlet port of the filter is connected with the water spraying plate through a pipeline, and the pipeline is connected with an electromagnetic valve a in series; the water inlet and outlet of the filter are connected with a waste water pipe communicated with the waste water box, and a waste water electromagnetic valve is connected on the waste water pipe in series; the water inlet and outlet are connected with a pipeline of the waste water box and a pipeline connected with the water storage box in parallel;
the end part of one side of the case, which is provided with the water storage box, is connected with a first door body through a hinge, and the part of the inner wall of the first door body, which is positioned above the water storage box, is connected with a water guide plate; the end part of the other side of the case is connected with a second door body through a hinge, and an air inlet is formed in the position, corresponding to the fan, of the second door body.
As a preferable scheme: a water pumping pipe is arranged at the upper part of the side wall of the water storage box, which faces one side of the partition plate, and the lower end of the water pumping pipe extends to the bottom in the water storage box; the water inlet pipe is fixedly arranged on the partition plate and is in sealing butt joint with the water pumping pipe; the lateral wall fixedly connected with more than two permanent magnets of water storage box towards division board one side, the corresponding fixedly connected with iron sheet in position that corresponds the permanent magnet on the division board.
As a preferable scheme: the water pump is including parallelly connected two, and two water pumps are the piston pump, and another water pump goes out water when a water pump draws water.
Compared with the prior art, the invention has the beneficial effects that:
when the water curtain type water storage box works, the control circuit board controls the water pump and the fan to work simultaneously, the water pump pumps the water in the water storage box into the filter, the filtered pure water is pumped into the water spraying plate and sprayed out from the water spraying opening at the lower part of the water spraying plate, the sprayed water flows to the water curtain to form the concave conical inclined plane of the column, then the water curtain is formed when the water flows out, and the water curtain with the closed periphery is formed above the water storage box by the aid of the columns formed by the multiple rows of water curtains.
The fan is with air suction quick-witted incasement, and the air flows along the guide plate that admits air, is heated when the heat dissipation aluminium seat and intensifies, brownian motion aggravation, and the air that heaies up flows to the space above the water storage box along the aviation baffle after that to pass through from bottom to top the cascade, partial particulate matter in the air is taken away by the cascade and falls into in the water storage box when the air passes through the cascade.
The filtered air passes through the water baffle and then flows to the position of the condensing aluminum seat above the semiconductor refrigerating sheet, and water vapor carried by the air when passing through the water curtain is condensed into liquid water and flows back to the water storage box.
The control circuit board controls the waste water electromagnetic valve to be opened discontinuously, and the sewage with more impurities in the filter is discharged into the waste water box.
Because water from the water spray plate spout before through the filtration of filter, the filth of aquatic can not get into the water spray plate and cause the jam to the water jet, the width of water jet can be designed less like this, and the density of water jet can set up great, can increase the area of contact of air and cascade, the reinforcing is to the purifying effect of air.
The invention not only utilizes the semiconductor refrigeration piece to dehumidify the filtered air, but also utilizes the heat generated by the semiconductor refrigeration piece to heat the unfiltered air, thereby intensifying the Brownian motion of the air, so that the air is more contacted with the water curtain when passing through the water curtain, and the air purification effect is enhanced.
Because the filter is only used for filtering particulate impurities in water, and the filter requirement is much lower compared with that of drinking water, the ceramic filter element has larger aperture and larger filtering flow speed compared with the ceramic filter element of the drinking water filter, the load of a water pump is reduced, and the energy is saved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 and 3 are schematic cross-sectional structures of the present invention.
Fig. 4 is a schematic cross-sectional view of the enclosure of the present invention.
FIG. 5 is a schematic view of the structure of the water spraying plate, the water storage box, the waste water box, the filter and the water pump.
FIG. 6 is a schematic view showing the piping connection among the water spray plate, the water storage box, the waste water box, the filter and the water pump according to the present invention.
Fig. 7 is a schematic structural view of the water storage box and the wastewater box.
Fig. 8 is a schematic sectional view of the water storage box and the waste water box.
Fig. 9 is a schematic structural view of the water storage box.
Fig. 10 is a schematic structural view of the water spray plate.
Fig. 11 and 12 are schematic structural views of the water curtain forming plate.
Fig. 13 and 14 are schematic structural views of the secondary water spray plate.
FIG. 15 is a schematic view of the structure of the water spray plate, the water curtain forming plate and the secondary water spray plate.
Fig. 16 is a schematic view of the structure of the filter.
Fig. 17 is a schematic sectional structure of the filter.
Fig. 18 is an exploded schematic view of the filter.
Fig. 19 is a schematic structural view of the filter cover.
FIG. 20 is a schematic view of the construction of the pressure regulating screw of the filter.
Fig. 21 is a schematic view of the construction of the filter float.
FIG. 22 is a schematic structural view of a filter brush assembly.
FIG. 23 is a schematic view of the construction of a ceramic filter cartridge assembly for a filter.
Fig. 24 is a schematic view of a decontamination movement of a ceramic filter element of a filter.
Fig. 25 is an enlarged view of the structure of the portion a of fig. 24.
Fig. 26 is an enlarged view of the structure of the portion B of fig. 24.
FIG. 27 is a schematic cross-sectional view of a filter cartridge.
80. A chassis; 801. an air outlet; 802. a water baffle mounting beam; 803. a partition plate; 804. an intake air deflector; 806. a water spray plate mounting rack; 807. an air deflector mounting bracket; 808. a refrigerating sheet mounting groove; 809. a secondary water spray plate; 8091. a breather pipe; 8092. a water nozzle of the second-stage water spraying plate; 810. a water curtain forming plate; 8101. a water curtain forming column; 8102. a drainage groove; 8103. an inverted V-shaped drainage plate; 811. a first door body; 8111. a water guide plate; 812. a second door body; 8120. an air inlet; 813. a water baffle; 814. an air deflector; 815. a control circuit board; 82. a water storage box; 821. a water pumping pipe; 822. a permanent magnet; 83. a water spray plate; 831. a water jet; 84. a waste water box; 841. filtering with a screen; 85. a semiconductor refrigeration sheet; 851. a heat dissipation aluminum base; 852. condensing the aluminum seat; 86. a fan; 87. a wastewater solenoid valve; 88. a water pump; 89. an electromagnetic valve a;
p: a filter; 1. a cover body; 11. a water inlet and outlet interface; 111. a water inlet and outlet; 12. a pure water outlet port; 13. a seal ring; 14. a pure water outlet joint; 2. a barrel; 20. the connecting frame is rotated; 21. positioning a step; 22. an internal thread joint; 3. a ceramic filter element assembly; 31. a ceramic filter element; 32. a first end enclosure; 33. a water outlet connector; 34. a second end enclosure; 341. a plug-in connector; 4. a brush assembly; 41. a first connecting ring; 42. a connecting rod; 43. a second connection ring; 44. a water guide port; 46. brushing; 5. a piston; 501. a spring clamp groove; 502. a piston boss; 51. a spring; 511. a pressure regulating spring; 512. a connecting spring; 52. a connecting plate; 53. a pressure regulating screw; 531. an adjusting handle; 532. a screw rod body; 533. a screw boss; 6. floating; 61. a floating ring; 62. a floating connecting rod; 63. float screens pole.
Detailed Description
Example 1
The following describes in detail an embodiment of the present invention with reference to the accompanying drawings.
According to fig. 1 to 27, this embodiment a domestic air purification equipment, including whole rectangular pipe's quick-witted case 80 that is, the lower part shaping of the interior intermediate position of machine incasement has a division board 803, the top shaping that is located the division board of machine incasement has a breakwater installation roof beam 802, the inner wall shaping that is located one side of breakwater installation roof beam of machine incasement has refrigeration piece mounting groove 808, the inner wall shaping that is located the opposite side of breakwater installation roof beam of machine incasement has water spray plate mounting bracket 806, the machine incasement is located division board one side, the below shaping of refrigeration piece mounting groove has air inlet guide plate 804, the opposite side shaping that is located the division board of machine incasement has aviation baffle mounting bracket 807.
The air inlet guide plate is arranged above the outer end of the case and is provided with a fan 86 for exhausting air in the case.
The part of the air inlet guide plate close to the partition plate is inclined from outside to inside, and the part of the air inlet guide plate close to the end part of the case is inclined from inside to outside.
The semiconductor refrigerating piece 85 with the upper cold surface and the lower hot surface is arranged on the refrigerating piece mounting groove, and the lower end of the semiconductor refrigerating piece is connected with a heat dissipation aluminum seat 851; the upper end of the semiconductor refrigerating sheet is connected with a condensing aluminum seat 852; the inner end of the semiconductor refrigeration piece is positioned at the upper end of the water baffle mounting beam, and the semiconductor refrigeration piece is obliquely arranged from outside to inside.
An L-shaped air deflector 814 for guiding air to the lower part of the case is arranged on the air deflector mounting frame, the upper part of the air deflector is abutted against the side surface of the water baffle mounting beam, and an air channel for downward flow of air flow is formed between the lower part of the air deflector and the partition plate.
The water baffle 813 is installed on the water baffle installation beam, a horizontal strip-shaped hole is formed in the water baffle, and the lower wall surface of the strip-shaped hole is a slope surface.
An air outlet 801 is formed in the position, above the condensation aluminum seat, of the top of the case.
A water storage box 82 is arranged on one side of the partition plate, which is different from the air inlet guide plate, in the case, a waste water box 84 is arranged in the water storage box through the partition plate, an overflow hole is formed in the upper part of the partition plate, and a filter screen 841 is arranged on the overflow hole;
a water pump, a filter P, a wastewater electromagnetic valve 87, an electromagnetic valve a89 and a control circuit board 815 are arranged in a space enclosed by the partition plate and the air inlet guide plate in the case; the fan, the wastewater electromagnetic valve, the electromagnetic valve a and the water pump 88 are respectively and electrically connected with the control circuit board; the water pump and the filter are fixedly arranged on the partition plate through the mounting frame, and the control circuit board is arranged at the lower end of the air inlet guide plate; and a water spraying plate 83 is arranged on the water spraying plate mounting frame.
The lower end of the filter is provided with a water inlet and a water outlet and a pure water outlet interface;
a plurality of rows of water spraying nozzles are formed at the lower part of the water spraying plate, and the water spraying nozzles are circular;
the upper end of the filter is provided with a water inlet joint, and the lower end of the filter is provided with a pure water outlet port and a wastewater outlet port;
a water curtain forming plate 810 is arranged between the water spraying plate and the water storage box, and the water curtain forming plate and the water spraying plate are correspondingly arranged; a water curtain forming plate mounting frame is formed on the inner wall of the case corresponding to the position of the water curtain forming plate;
a water curtain forming column 8101 is formed on the upper surface of the water curtain forming plate corresponding to each water spraying port;
the water curtain forming plate is provided with a drainage groove 8102 penetrating through the water curtain forming plate; the lower surface of the water curtain forming plate is connected with an inverted V-shaped drainage plate 8103 corresponding to the drainage groove;
the upper end of the water curtain forming column is formed with an inward-concave conical inclined plane for forming the water curtain;
the water inlet end of the water pump is connected with the water storage box through a water inlet pipe, the water outlet end of the water pump is connected with the water inlet and the water outlet of the filter through a pipeline, the pure water outlet port of the filter is connected with the water spraying plate through a pipeline, and the pipeline is connected with an electromagnetic valve a89 in series; the water inlet and outlet of the filter are connected with a waste water pipe communicated with the waste water box, and a waste water electromagnetic valve is connected on the waste water pipe in series; the water inlet and outlet are connected in parallel with a pipeline connected to the waste water box and a pipeline connected to the water storage box.
The end part of one side of the case, on which the water storage box is mounted, is connected with a first door body 811 through a hinge, and the part of the inner wall of the first door body, which is positioned above the water storage box, is connected with a water guide plate 8111; the end part of the other side of the chassis is connected with a second door body 812 through a hinge, and an air inlet 8120 is formed in the position, corresponding to the fan, of the second door body.
A water pumping pipe 821 is arranged at the upper part of the side wall of the water storage box facing to one side of the partition plate, and the lower end of the water pumping pipe extends to the bottom in the water storage box; the water inlet pipe is fixedly arranged on the partition plate and is in sealing butt joint with the water pumping pipe; the lateral wall fixedly connected with more than two permanent magnets 822 of water storage box towards division board one side, the corresponding fixedly connected with iron sheet in position of corresponding permanent magnet on the division board.
The water pump is including parallelly connected two, and two water pumps are the piston pump, and another water pump goes out water when a water pump draws water.
The filter P comprises a cylinder body 2 and a cover body 1 which are connected through screw threads, and a ceramic filter element assembly 3 which is arranged in the space between the cylinder body and the cover body.
A water inlet and outlet port 11 and a pure water outlet port 12 are respectively formed on two sides of the cover body; a pure water outlet joint 14 is integrally formed in the middle of the inner bottom of the cover body and is communicated with a pure water outlet connector; the inner bottom of the cover body is also provided with a water inlet and outlet 111 communicated with the water inlet and outlet interface, and the periphery of the inner bottom of the cover body is also provided with a sealing ring 13.
The ceramic filter element assembly comprises a circular tube-shaped ceramic filter element 31, a first seal head 32 and a second seal head 34 which are fixedly connected to two end parts of the ceramic filter element respectively, a water outlet connector 33 communicated with the interior of the ceramic filter element is fixedly connected to the middle of the first seal head, and the outer wall of the water outlet connector is in threaded connection with a pure water outlet connector; the middle of the second end socket is integrally connected with a plug 341.
The cylinder body is in a round tube shape with an opening at the lower end, and an internal thread joint 22 is formed in the center of the upper end of the cylinder body; a positioning step 21 is formed on the inner wall of the cylinder body at a position corresponding to the second seal head; the outer wall of the lower end of the cylinder body is connected with the cover body through threads.
A rotary connecting frame 20 positioned by a positioning step is fixedly arranged in the cylinder body; the rotary connecting frame comprises an outer ring in interference fit connection with the inner wall of the cylinder body and an inner ring in plug connection with the plug connector on the ceramic filter element assembly, and the inner ring and the outer ring are integrally connected through more than 3 connecting ribs.
And a brush component 4 is arranged in the cylinder body corresponding to the ceramic filter element. The length of the brush assembly is 1/10 of the length of the ceramic filter element; the brush assembly comprises bristles 46 for brushing dirt on the outer wall of the ceramic filter element, a first connecting ring 41 for fixedly connecting the bristles, a second connecting ring 43 coaxially arranged above the first connecting ring, and the first connecting ring and the second connecting ring are integrally connected through more than 2 connecting rods; more than 2 circular water guide openings 44 are formed in the second connecting ring; the bristles are fixedly connected to the inner surface of the first connecting ring.
The density of the brush component is less than that of water, and the inner diameter of the second connecting ring is 0.1-1 mm larger than the outer diameter of the ceramic filter element; the outer diameters of the first connecting ring and the second connecting ring are 0.1-1 mm smaller than the inner diameter of the cylinder body.
A float 6 is arranged above the brush component; the buoy comprises a buoy ring 61 arranged corresponding to the position of the water guide port of the brush assembly, more than 3 buoy clamping rods 63 clamped below the water guide port, and a buoy connecting rod 62 integrally connected between the buoy ring and the buoy clamping rods, wherein the diameter of the buoy connecting rod is smaller than the width of the water guide port; the cursory is foamed plastics integrated into one piece, and the density of cursory is less than the density of brush subassembly.
The screw rod interface of the cylinder is connected with a pressure regulating screw rod 53 through threads; the pressure regulating screw comprises a screw rod body 532, a screw boss 533 integrally connected to the lower end of the screw rod body, and a regulating handle 531 fixedly connected to the upper end of the screw rod body.
And a piston 5 which is in sealed sliding connection with the inner wall of the cylinder body is arranged on the upper part of the rotary connecting frame in the cylinder body. A piston boss 502 is formed in the middle of the upper end of the piston, and a spring clamping groove 501 is formed in the position, located on the periphery of the piston boss, of the upper end of the piston.
A spring 51 is connected between the piston and the pressure regulating screw rod; the spring comprises a pressure regulating spring 511 and a connecting spring 512 which are coaxially arranged; the lower end of the connecting spring is clamped in the spring clamping groove 501, the upper end of the connecting spring is fixedly connected to a connecting plate, and the connecting plate is abutted to the inner top of the barrel.
The lower end of the pressure regulating spring is clamped on the piston boss, and the upper end of the pressure regulating spring is clamped on the screw boss; and a round hole for the screw boss to pass through is formed in the middle of the connecting plate.
The ceramic filter element is in a round tube shape, the thickness of the ceramic filter element is 5-15mm, and the pore diameter of the micropores on the ceramic filter element is 0.4-0.8 mu m;
the water pump is connected between the water storage box 82 and the water inlet and outlet 11 of the filter P through a pipeline; a waste water electromagnetic valve 87 is connected between the waste water box 84 and the water inlet and outlet 11 of the filter P through a pipeline; the pure water outlet port 12 of the filter P is connected to the water spray plate 83 via a pipe, and an electromagnetic valve a is connected between the pure water outlet port and the water spray plate via a pipe.
When the water pump is opened and the wastewater electromagnetic valve 87 is in a closed state, the piston at the upper part in the cylinder body moves upwards under the action of water pressure, the spring connected with the piston contracts, meanwhile, the floating ring of the floater is separated from the second connecting ring of the brush assembly under the action of buoyancy, the water guide port is opened, the brush assembly moves upwards along with the floater, water above the floater flows downwards relatively through the water guide port, when the floater floats to a limit position, the brush assembly continuously floats upwards until the water guide port is abutted against the floating ring, and the water guide port is closed; when the water pump and the electromagnetic valve a are closed and the wastewater electromagnetic valve 87 is opened, the water pressure in the cylinder is reduced, the spring extends, the piston moves downwards, the pressure above the float is higher than the pressure below the float, and the brush component moves downwards together with the float due to the closed water guide port, so that the ceramic filter element component is brushed by the bristles, and the purpose of automatically cleaning the ceramic filter element by means of power generated by water pressure is realized; on the other hand, the bristles clean the ceramic filter element and simultaneously reversely flow the water with dirt in the cylinder body and outside the ceramic filter element into the waste water box through the pipeline from the water inlet and the water outlet.
When the water in the waste water box reaches the overflow hole, the water in the waste water box overflows into the water storage box after being filtered by the filter screen, so that the water changing time of the waste water box is effectively prolonged, and the water changing frequency is reduced.
When the water curtain type water storage box works, the control circuit board controls the water pump and the fan to work simultaneously, the water pump pumps the water in the water storage box into the filter, the filtered pure water is pumped into the water spraying plate and sprayed out from the water spraying opening at the lower part of the water spraying plate, the sprayed water flows to the water curtain to form the concave conical inclined plane of the column, then the water curtain is formed when the water flows out, and the water curtain with the closed periphery is formed above the water storage box by the aid of the columns formed by the multiple rows of water curtains.
The fan is with air suction quick-witted incasement, and the air flows along the guide plate that admits air, is heated when the heat dissipation aluminium seat and intensifies, brownian motion aggravation, and the air that heaies up flows to the space above the water storage box along the aviation baffle after that to pass through from bottom to top the cascade, partial particulate matter in the air is taken away by the cascade and falls into in the water storage box when the air passes through the cascade.
The filtered air passes through the water baffle and then flows to the position of the condensing aluminum seat above the semiconductor refrigerating sheet, and water vapor carried by the air when passing through the water curtain is condensed into liquid water and flows back to the water storage box.
The control circuit board controls the waste water electromagnetic valve to be opened discontinuously, and the sewage with more impurities in the filter is discharged into the waste water box.
Because water from the water spray plate spout before through the filtration of filter, the filth of aquatic can not get into the water spray plate and cause the jam to the water jet, the width of water jet can be designed less like this, and the density of water jet can set up great, can increase the area of contact of air and cascade, the reinforcing is to the purifying effect of air.
The invention not only utilizes the semiconductor refrigeration piece to dehumidify the filtered air, but also utilizes the heat generated by the semiconductor refrigeration piece to heat the unfiltered air, thereby intensifying the Brownian motion of the air, so that the air is more contacted with the water curtain when passing through the water curtain, and the air purification effect is enhanced.
Because the filter is only used for filtering particulate impurities in water, and the filter requirement is much lower compared with that of drinking water, the ceramic filter element has larger aperture and larger filtering flow speed compared with the ceramic filter element of the drinking water filter, the load of a water pump is reduced, and the energy is saved.
Example 2
The present embodiment further includes the following structure on the basis of embodiment 1: more than two water curtain forming plates 810 are arranged between the water spraying plate and the water storage box, and a secondary water spraying plate 809 is arranged between every two water curtain forming plates 810; the second-stage water spraying plate is correspondingly installed with the water curtain forming plate, and a second-stage water spraying plate installation frame is formed on the inner wall of the case corresponding to the position of the second-stage water spraying plate; a vent pipe 8091 penetrating through the secondary water spraying plate is formed at the bottom of the secondary water spraying plate corresponding to the coverage area of the inverted V-shaped drainage plate; a second-stage water spray plate water spray opening 8092 is formed at the position, different from the position of the vent pipe, of the bottom of the second-stage water spray plate, and the second-stage water spray plate water spray opening is arranged corresponding to a water curtain forming column of a water curtain forming plate arranged below the second-stage water spray plate water spray opening 80; the extension of second grade water spray plate is laminated with quick-witted incasement wall, the hydroenergy of falling V-arrangement drainage plate drainage can flow into in the second grade water spray plate.
When the water curtain type water purifier works, the control circuit board controls the water pump and the fan to work simultaneously, the water pump pumps the water in the water storage box into the filter, the filtered pure water is pumped into the water spraying plate and sprayed out from the water spraying opening at the lower part of the water spraying plate, and the sprayed water flows to the water curtain to form the concave conical inclined plane of the column and then forms the water curtain when flowing out; the water flows to the secondary water spraying plate 809 along the inverted V-shaped drainage plate 8103 through the drainage groove 8102, and is sprayed to the water curtain forming column of the water curtain forming plate of the next layer from the water spraying holes 8092 of the secondary water spraying plate to form a water curtain again; the air flowing in from the air deflector moves upward from the lower side through the air pipe 8091 and is purified by the water curtain for a plurality of times.
The fan is with air suction quick-witted incasement, and the air flows along the guide plate that admits air, is heated when the heat dissipation aluminium seat and intensifies, brownian motion aggravation, and the air that heaies up flows to the space above the water storage box along the aviation baffle after that to pass through from bottom to top the cascade, partial particulate matter in the air is taken away by the cascade and falls into in the water storage box when the air passes through the cascade.
The filtered air passes through the water baffle and then flows to the position of the condensing aluminum seat above the semiconductor refrigerating sheet, and water vapor carried by the air when passing through the water curtain is condensed into liquid water and flows back to the water storage box.
The control circuit board controls the waste water electromagnetic valve to be opened discontinuously, and the sewage with more impurities in the filter is discharged into the waste water box.
Because water from the water spray plate spout before through the filtration of filter, the filth of aquatic can not get into the water spray plate and cause the jam to the water jet, the width of water jet can be designed less like this, and the density of water jet can set up great, can increase the area of contact of air and cascade, the reinforcing is to the purifying effect of air.
The invention not only utilizes the semiconductor refrigeration piece to dehumidify the filtered air, but also utilizes the heat generated by the semiconductor refrigeration piece to heat the unfiltered air, thereby intensifying the Brownian motion of the air, so that the air is more contacted with the water curtain when passing through the water curtain, and the air purification effect is enhanced.
Because the filter is only used for filtering particulate impurities in water, and the filter requirement is much lower compared with that of drinking water, the ceramic filter element has larger aperture and larger filtering flow speed compared with the ceramic filter element of the drinking water filter, the load of a water pump is reduced, and the energy is saved.
Example 3
In this embodiment, on the basis of embodiment 1 or 2, the ceramic filter element includes the following raw material components in parts by weight: 80% of diatomite, 6% of calcium carbonate, 4% of kaolin and 10% of active carbon, the raw materials are respectively crushed to 160-mesh and 180-mesh, then mixed evenly, added with water to prepare slurry, and made into a slurry blank by a gypsum mold, and sintered and molded into a finished product.
Claims (5)
1. A household air purification device, characterized in that: the refrigerator comprises an overall rectangular tubular case, wherein a partition plate is formed at the lower part of the middle position in the case, a water baffle mounting beam is formed above the partition plate in the case, a refrigerating sheet mounting groove is formed in the inner wall of one side of the water baffle mounting beam in the case, a water spray plate mounting frame is formed in the inner wall of the other side of the water baffle mounting beam in the case, an air inlet guide plate is formed below the refrigerating sheet mounting groove and on one side of the partition plate in the case, and an air deflector mounting frame is formed in the other side of the partition plate in the case;
the air inlet guide plate is positioned above the outer end of the case and is provided with a fan for exhausting air into the case;
the part of the air inlet guide plate, which is close to the partition plate, inclines from outside to inside, and the part of the air inlet guide plate, which is close to the end part of the case, inclines from inside to outside;
the semiconductor refrigerating pieces with the upper cold surfaces and the lower hot surfaces are mounted on the refrigerating piece mounting grooves, and the lower ends of the semiconductor refrigerating pieces are connected with radiating aluminum seats; the upper end of the semiconductor refrigeration sheet is connected with a condensation aluminum seat; the inner end of the semiconductor refrigerating piece is positioned at the upper end of the water baffle mounting beam, and the semiconductor refrigerating piece is obliquely arranged from outside to inside;
the wind deflector mounting frame is provided with a wind deflector which is used for guiding air into the lower part of the case and is L-shaped, the upper part of the wind deflector is propped against the side surface of the water baffle mounting beam, and an air channel for airflow to flow downwards is formed between the lower part of the wind deflector and the partition plate;
the water baffle mounting beam is provided with a water baffle, a horizontal strip-shaped hole is formed in the water baffle, and the lower wall surface of the strip-shaped hole is a slope surface;
an air outlet is formed in the top of the case above the condensing aluminum seat;
a water storage box is arranged on one side of the partition plate, which is different from the air inlet guide plate, in the case, a waste water box is arranged in the water storage box through the partition plate, an overflow hole is formed in the upper part of the partition plate, and a filter screen is arranged on the overflow hole;
a water pump, a filter, a wastewater electromagnetic valve, an electromagnetic valve a and a control circuit board are arranged in a space enclosed by the partition plate and the air inlet guide plate in the case; the fan, the wastewater electromagnetic valve, the electromagnetic valve a and the water pump are respectively and electrically connected with the control circuit board; the water pump and the filter are fixedly arranged on the partition plate through the mounting frame, and the control circuit board is arranged at the lower end of the air inlet guide plate; the water spraying plate mounting rack is provided with a water spraying plate;
the lower end of the filter is provided with a water inlet and a water outlet and a pure water outlet interface;
a plurality of rows of water spraying nozzles are formed at the lower part of the water spraying plate, and the water spraying nozzles are circular;
the upper end of the filter is provided with a water inlet joint, and the lower end of the filter is provided with a pure water outlet port and a wastewater outlet port;
a water curtain forming plate is arranged between the water spraying plate and the water storage box and is correspondingly installed with the water spraying plate; a water curtain forming plate mounting frame is formed on the inner wall of the case corresponding to the position of the water curtain forming plate;
the upper surface of the water curtain forming plate is provided with water curtain forming columns corresponding to the positions of the water spray ports;
the water curtain forming plate is provided with a drainage groove which penetrates through the water curtain forming plate; the lower surface of the water curtain forming plate is connected with an inverted V-shaped drainage plate corresponding to the drainage groove;
the upper end of the water curtain forming column is formed with an inward-concave conical inclined plane for forming the water curtain;
the water inlet end of the water pump is connected with the water storage box through a water inlet pipe, the water outlet end of the water pump is connected with the water inlet and the water outlet of the filter through a pipeline, the pure water outlet port of the filter is connected with the water spraying plate through a pipeline, and the pipeline is connected with an electromagnetic valve a in series; the water inlet and outlet of the filter are connected with a waste water pipe communicated with the waste water box, and a waste water electromagnetic valve is connected on the waste water pipe in series; the water inlet and outlet are connected with a pipeline of the waste water box and a pipeline connected with the water storage box in parallel;
the end part of one side of the case, which is provided with the water storage box, is connected with a first door body through a hinge, and the part of the inner wall of the first door body, which is positioned above the water storage box, is connected with a water guide plate; the end part of the other side of the case is connected with a second door body through a hinge, and an air inlet is formed in the position, corresponding to the fan, of the second door body;
the filter comprises a cylinder body, a cover body and a ceramic filter element assembly, wherein the cylinder body and the cover body are connected through threads;
a water inlet and outlet interface and a pure water outlet interface are respectively formed on two sides of the cover body; a pure water outlet joint is integrally formed in the middle of the inner bottom of the cover body and is communicated with a pure water outlet connector; a water inlet and a water outlet communicated with the water inlet and the water outlet are formed in the inner bottom of the cover body, and a sealing ring is arranged on the periphery of the inner bottom of the cover body;
the ceramic filter element assembly comprises a circular tube-shaped ceramic filter element, a first end socket and a second end socket, wherein the first end socket and the second end socket are fixedly connected to two end parts of the ceramic filter element respectively; the middle of the second end socket is integrally connected with a plug-in connector;
the cylinder body is in a circular tube shape with an opening at the lower end, and an internal thread joint is formed in the center of the upper end of the cylinder body; a positioning step is formed on the inner wall of the cylinder body at a position corresponding to the second seal head; the outer wall of the lower end of the cylinder body is connected with the cover body through threads;
a rotary connecting frame positioned by a positioning step is fixedly arranged in the cylinder body;
a brush component is arranged in the cylinder body corresponding to the ceramic filter element; the length of the brush assembly is 1/10 of the length of the ceramic filter element; the brush assembly comprises bristles for brushing dirt on the outer wall of the ceramic filter element, a first connecting ring for fixedly connecting the bristles, and a second connecting ring coaxially arranged above the first connecting ring, wherein the first connecting ring and the second connecting ring are integrally connected through more than 2 connecting rods; more than 2 arc-shaped water guide openings are formed in the second connecting ring; the bristles are fixedly connected to the inner surface of the first connecting ring;
the density of the brush component is less than that of water, and the inner diameter of the second connecting ring is 0.1-1 mm larger than the outer diameter of the ceramic filter element; the outer diameters of the first connecting ring and the second connecting ring are 0.1-1 mm smaller than the inner diameter of the cylinder body;
a float is arranged above the brush component; the buoy comprises a buoy ring arranged corresponding to the position of the water guide port of the brush assembly, more than 3 buoy clamping rods clamped below the water guide port and a buoy connecting rod integrally connected between the buoy ring and the buoy clamping rods, and the diameter of the buoy connecting rod is smaller than the width of the water guide port; the float is integrally formed by foamed plastic, and the density of the float is less than that of the brush component;
the screw rod interface of the cylinder is connected with a pressure regulating screw rod through threads; the pressure regulating screw comprises a screw rod body, a screw boss integrally connected to the lower end of the screw rod body and a regulating handle fixedly connected to the upper end of the screw rod body;
a piston which is in sealing sliding connection with the inner wall of the cylinder body is arranged on the upper part of the rotary connecting frame in the cylinder body;
a piston boss is formed in the middle of the upper end of the piston, and a spring clamping groove is formed in the upper end of the piston, which is positioned on the periphery of the piston boss;
a spring is connected between the piston and the pressure regulating screw rod; the spring comprises a pressure regulating spring and a connecting spring which are coaxially arranged; the lower end of the connecting spring is clamped in the spring clamping groove, the upper end of the connecting spring is fixedly connected to a connecting plate, and the connecting plate abuts against the top in the barrel;
the lower end of the pressure regulating spring is clamped on the piston boss, and the upper end of the pressure regulating spring is clamped on the screw boss; a round hole for the screw boss to pass through is formed in the middle of the connecting plate; the ceramic filter element is in a circular tube shape;
the ceramic filter element comprises the following raw materials in parts by weight: 80% of diatomite, 6% of calcium carbonate, 4% of kaolin and 10% of active carbon, the raw materials are respectively crushed to 160-mesh and 180-mesh, then mixed evenly, added with water to prepare slurry, and made into a slurry blank by a gypsum mold, and sintered and molded into a finished product.
2. A household air cleaning device as claimed in claim 1, wherein: a water pumping pipe is arranged at the upper part of the side wall of the water storage box, which faces one side of the partition plate, and the lower end of the water pumping pipe extends to the bottom in the water storage box; the water inlet pipe is fixedly arranged on the partition plate and is in sealing butt joint with the water pumping pipe; the lateral wall fixedly connected with more than two permanent magnets of water storage box towards division board one side, the corresponding fixedly connected with iron sheet in position that corresponds the permanent magnet on the division board.
3. A household air cleaning device as claimed in claim 1, wherein: the water pump is including parallelly connected two, and two water pumps are the piston pump, and another water pump goes out water when a water pump draws water.
4. A household air cleaning device as claimed in claim 1, wherein: the rotary connecting frame comprises an outer ring in interference fit connection with the inner wall of the cylinder body and an inner ring in plug connection with the plug connector on the ceramic filter element assembly, and the inner ring and the outer ring are integrally connected through more than 3 connecting ribs.
5. A household air cleaning device as claimed in claim 1, wherein: the thickness of the ceramic filter element is 5-15mm, and the pore diameter of the micropores on the ceramic filter element is 0.4-0.8 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810740312.4A CN108826460B (en) | 2016-04-22 | 2016-04-22 | Household air purification equipment |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610259927.6A CN105972727B (en) | 2016-04-22 | 2016-04-22 | A kind of domestic air purification equipment |
| CN201810740312.4A CN108826460B (en) | 2016-04-22 | 2016-04-22 | Household air purification equipment |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610259927.6A Division CN105972727B (en) | 2016-04-22 | 2016-04-22 | A kind of domestic air purification equipment |
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| Publication Number | Publication Date |
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| CN108826460A CN108826460A (en) | 2018-11-16 |
| CN108826460B true CN108826460B (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810740312.4A Active CN108826460B (en) | 2016-04-22 | 2016-04-22 | Household air purification equipment |
| CN201810740320.9A Active CN109028374B (en) | 2016-04-22 | 2016-04-22 | Household air purification equipment |
| CN201610259927.6A Active CN105972727B (en) | 2016-04-22 | 2016-04-22 | A kind of domestic air purification equipment |
| CN201810740309.2A Withdrawn CN109028373A (en) | 2016-04-22 | 2016-04-22 | A kind of domestic air purification equipment |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810740320.9A Active CN109028374B (en) | 2016-04-22 | 2016-04-22 | Household air purification equipment |
| CN201610259927.6A Active CN105972727B (en) | 2016-04-22 | 2016-04-22 | A kind of domestic air purification equipment |
| CN201810740309.2A Withdrawn CN109028373A (en) | 2016-04-22 | 2016-04-22 | A kind of domestic air purification equipment |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108049786A (en) * | 2016-11-23 | 2018-05-18 | 喻洪根 | A kind of low noise air purifying windows family structure |
| CN108060863A (en) * | 2016-11-23 | 2018-05-22 | 喻洪根 | A kind of window arrangement with air-cleaning function |
| CN106481254B (en) * | 2016-12-05 | 2017-12-05 | 温岭市恒芃信博机械科技有限公司 | A kind of low noise air purification door |
| CN106761260B (en) * | 2016-12-05 | 2017-11-14 | 温岭市恒芃信博机械科技有限公司 | A kind of water filtration air purification door |
| CN106522779B (en) * | 2016-12-05 | 2018-03-13 | 温岭市恒芃信博机械科技有限公司 | A kind of self-suction air water filtering type air purification door |
| CN110282111B (en) * | 2019-07-10 | 2020-12-01 | 浙江海洋大学 | Inner cabin ventilation device for ship |
| CN111503786A (en) * | 2020-04-28 | 2020-08-07 | 山东艾斯伦智能科技有限公司 | Air refrigerating and purifying device |
| CN113776152A (en) * | 2021-08-23 | 2021-12-10 | 科沃斯机器人股份有限公司 | Air purification equipment and host machine thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105972727B (en) | 2019-01-22 |
| CN109028374B (en) | 2020-11-27 |
| CN105972727A (en) | 2016-09-28 |
| CN108826460A (en) | 2018-11-16 |
| CN109028374A (en) | 2018-12-18 |
| CN109028373A (en) | 2018-12-18 |
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Effective date of registration: 20190308 Address after: 310018 Room 1001, Yifu Science and Technology Building, College of Modern Science and Technology, Xiasha China Metrology Institute, Hangzhou City, Zhejiang Province Applicant after: Hangzhou Rui Electric Technology Co., Ltd. Address before: 310053 463, 4 floor, 3 story A building, No. 301, Binxing Road, Changhe street, Binjiang District, Hangzhou, Zhejiang. Applicant before: HANGZHOU YUNFENG INDUSTRIAL DESIGN CO., LTD. |
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