CN114963394A - Air purification device for building engineering construction and purification method thereof - Google Patents
Air purification device for building engineering construction and purification method thereof Download PDFInfo
- Publication number
- CN114963394A CN114963394A CN202210570313.5A CN202210570313A CN114963394A CN 114963394 A CN114963394 A CN 114963394A CN 202210570313 A CN202210570313 A CN 202210570313A CN 114963394 A CN114963394 A CN 114963394A
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- air
- shell
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- casing
- building engineering
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Classifications
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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
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
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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
-
- 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
- F24F13/32—Supports for air-conditioning, air-humidification or ventilation units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F6/00—Air-humidification, e.g. cooling by humidification
- F24F6/12—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air
- F24F6/14—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air using nozzles
-
- 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
- F24F8/133—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 by direct contact with liquid, e.g. with sprayed liquid
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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
- F24F8/80—Self-contained air purifiers
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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
- F24F6/00—Air-humidification, e.g. cooling by humidification
- F24F6/12—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air
- F24F6/14—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air using nozzles
- F24F2006/146—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air using nozzles using pressurised water for spraying
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- 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)
- Human Computer Interaction (AREA)
- Dispersion Chemistry (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The invention discloses an air purification device for construction of building engineering and a purification method thereof, relating to the technical field of air purification, comprising a shell, wherein a controller is fixedly arranged at the outer side of the shell, a filter plate is fixedly arranged at the left side in the shell, a negative pressure box is fixedly arranged at the other end of the filter plate, a negative pressure fan is arranged in the negative pressure box, an air inlet pipe is fixedly arranged at the output end of the negative pressure fan, the other end of the air inlet pipe is fixedly connected with a detection purification box, the detection purification box is filled with an air purifying agent hydrosolvent, an air outlet pipe is arranged at the other end of the detection purification box, a partition plate is arranged at the right side of the shell, the air outlet pipe penetrates through the partition plate, and a portable component, a humidifying component and an alarm component are respectively arranged at the outer side of the shell, and when the working range is exceeded, the alarm can be timely given out for reminding, and the use safety is high.
Description
Technical Field
The invention belongs to the field of air purification, and particularly relates to an air purification device for constructional engineering construction and a purification method thereof.
Background
The green building evaluation is to follow the principle of local conditions, combine the characteristics of climate, environment, resources, economy, culture and the like of the region where the building is located, and comprehensively evaluate the performances of safety, durability, health, comfort, convenient life, resource conservation, environmental livability and the like in the whole life cycle of the building.
Although the building has good air performance and is green and pollution-free, in the construction process, different chemical raw materials are also needed, and harmful gases can be released during the use of the materials.
The air purifier for construction that has now can only purify the dust or great particulate matter in the work progress, and can't purify stealthy chemical industry and pollute, in case harmful gas concentration is too high in the air, causes the threat to constructor's personal safety even, and the safety in utilization is lower.
Disclosure of Invention
The invention provides an air purification device for construction of building engineering and a purification method thereof, which are used for solving the technical problems that the existing air purifier for construction can only purify dust or larger particles in the construction process, but cannot purify invisible chemical pollution, once the concentration of harmful gas in the air is too high, even the personal safety of constructors is threatened, and the use safety is low.
In order to solve the technical problems, the air purification device for construction of building engineering provided by the invention comprises a shell, wherein an air inlet and an air outlet are respectively formed in two sides of the shell, dustproof grids are respectively arranged in the air inlet and the air outlet, a controller is fixedly arranged on the outer side of the shell and electrically connected with an external power supply, a filter plate is fixedly arranged on the left side inside the shell, a negative pressure box is fixedly arranged at the other end of the filter plate, a negative pressure fan is arranged in the negative pressure box, an air inlet pipe is fixedly arranged at the output end of the negative pressure fan, the other end of the air inlet pipe is fixedly connected with a detection purification box, an air purifying agent hydrosolvent is filled in the detection purification box, an air outlet pipe is arranged at the other end of the detection purification box, a partition plate is arranged on the right side of the shell, the air outlet pipe penetrates through the partition plate, a portable component and a portable component are respectively arranged on the outer side of the shell, A humidifying component and an alarming component.
Preferably, the warning subassembly includes PH detection sensor, motor and alarm lamp, it has PH detection sensor to detect fixed mounting in the purifying box, PH detection sensor electric connection controller, casing top fixed mounting has the motor, motor electric connection controller, motor output fixed mounting has the alarm lamp, alarm lamp electric connection controller.
Preferably, the humidifying assembly comprises a water storage tank, a humidity sensor and an atomizing nozzle, the water storage tank is fixedly mounted inside the shell, the water pump is fixedly mounted in the water storage tank, the atomizing nozzle is fixedly mounted on the outer side of the shell, and the atomizing nozzle is fixedly connected with the output end of the water pump.
Preferably, the atomizer is equipped with two, two atomizer along storage water tank symmetric arrangement, just atomizer runs through the casing.
Preferably, the portable assembly comprises a universal wheel, a rotating shaft, a handle and a clamping block. The casing both sides are rotated and are installed the pivot, pivot outside fixed mounting has the handle, casing outside other end fixed mounting has the fixture block, the draw-in groove has been seted up on the fixture block, casing below fixed mounting has the universal wheel.
Preferably, the universal wheels are provided with a plurality of universal wheels, the universal wheels are arranged at four corners below the shell, and braking pieces are arranged in the universal wheels.
A method for purifying air for construction of construction work, comprising the air purifying apparatus for construction work of claims 1 to 6, comprising the steps of:
step S01: firstly, air of a construction environment is sucked into a shell;
step S02: the shell is subjected to multi-stage filtration and absorption to purify air;
step S03: monitoring the pH value change of an air purifying agent aqueous solvent and the dryness and humidity of a working environment in real time;
step S04: and alarming and humidifying according to the change of the pH value of the water solvent of the air purifying agent and the dryness and humidity of the working environment.
Preferably, in step S02, the multi-stage filtration absorption includes solid screening and liquid absorption.
Compared with the prior art, the invention has the following advantages:
1. according to the air purification device for building engineering construction and the purification method thereof, the portable assembly is arranged, so that the air purification device is convenient to carry, can be stored and folded, is convenient to use, and has strong practicability.
2. According to the air purification device for construction of building engineering and the purification method thereof, solid screening and liquid absorption of construction environment are realized through the filter plate and the detection purification box, particle dust can be filtered, harmful gas in the gas can be subjected to water-soluble absorption, and the use safety is effectively improved.
3. According to the air purification device for construction of building engineering and the purification method thereof, the humidifying component and the alarm component are adopted, when the concentration of indoor harmful gas exceeds the purification rate and is too high, the alarm component can give an alarm in time, and meanwhile, the humidifying component humidifies the air, so that the humidification and purification are further carried out on the construction environment with high concentration.
Drawings
FIG. 1 is a structural view of an air cleaning apparatus for construction of construction works and a cleaning method thereof according to the present invention;
FIG. 2 is a side view of an air cleaning apparatus for construction of construction engineering and a cleaning method thereof according to the present invention;
FIG. 3 is an internal structure view of a housing in the air cleaning apparatus for construction of construction work and the cleaning method thereof according to the present invention;
FIG. 4 is a view showing the internal structure of a detection purification box in the air purification apparatus for construction of construction engineering and the purification method thereof according to the present invention;
FIG. 5 is a view showing a method of the air cleaning apparatus for construction of construction works and a cleaning method thereof according to the present invention;
reference numbers in the figures: 1. a housing; 2. an air inlet; 3. a dust-proof grid; 4. a universal wheel; 5. a rotating shaft; 6. an atomizing spray head; 7. a controller; 8. a card slot; 9. a clamping block; 10. a handle; 11. a motor; 12. An alarm lamp; 13. a humidity sensor; 14. an air outlet; 15. filtering the plate; 16. an air inlet pipe; 17. an air outlet pipe; 18. a partition plate; 19. detecting a purifying box; 20. a water storage tank; 21. a negative pressure tank; 22. and a pH detection sensor.
Detailed Description
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an air purification device for building engineering construction, which comprises a housin 1, air intake 2 and air outlet 14 have been seted up respectively to 1 both sides of casing, all be equipped with dustproof grid 3 in air intake 2 and the air outlet 14, 1 outside fixed mounting of casing has controller 7, 7 electric connection external power supply of controller, 1 inside left side fixed mounting of casing has filter plate 15, 15 other end fixed mounting of filter plate has negative-pressure tank 21, be equipped with negative-pressure air fan in the negative-pressure tank 21, negative-pressure air fan's output fixed mounting has air- supply line 16, 16 other end fixed connection of air-supply line detects purifying box 19, it packs to have air purifying agent hydrosolvent in the purifying box 19 to detect, it is equipped with out tuber pipe 17 to detect the purifying box 19 other end, 1 right side of casing is equipped with baffle 18, it runs through baffle 18 to go out tuber pipe 17, the 1 outside of casing is equipped with portable subassembly respectively, humidifying subassembly and warning subassembly.
In this embodiment, through the portable subassembly that sets up, portable, can accomodate foldingly simultaneously, high durability and convenient use, therefore, the clothes hanger is strong in practicability, through filter plate 15 and detection purifying box 19, realize solid-state screening and liquid absorption to the construction environment, not only can filter granule class dust, also can carry out water-soluble absorption to the harmful gas in the gas, the effectual safety in utilization that has improved, through humidifying subassembly and warning subassembly, when indoor harmful gas concentration surpasses purification rate, make when concentration is too high, the warning subassembly can in time send the warning, humidifying subassembly carries out the humidification to the air simultaneously, and then further carries out the humidification to the construction environment that concentration is high and purifies.
Further, the warning subassembly includes PH detection sensor 22, motor 11 and alarm lamp 12, and fixed mounting has PH detection sensor 22 in the detection purifying box 19, and PH detection sensor 22 electric connection controller 7, 1 top fixed mounting of casing have motor 11, and motor 11 electric connection controller 7, motor 11 output end fixed mounting have alarm lamp 12, alarm lamp 12 electric connection controller 7.
Further, the humidifying assembly comprises a water storage tank 20, a humidity sensor 13 and an atomizing nozzle 6, the water storage tank 20 is fixedly mounted inside the shell 1, a water pump is fixedly mounted in the water storage tank 20, the atomizing nozzle 6 is fixedly mounted on the outer side of the shell 1, and the atomizing nozzle 6 is fixedly connected with the output end of the water pump.
Further, atomizer 6 is equipped with two, and two atomizer 6 along storage water tank 20 symmetrical arrangement, and atomizer 6 runs through casing 1.
Further, the portable assembly comprises a universal wheel 4, a rotating shaft 5, a handle 10 and a clamping block 9. The rotating shaft 5 is rotatably installed on two sides of the shell 1, the handle 10 is fixedly installed on the outer side of the rotating shaft 5, the clamping block 9 is fixedly installed on the other end of the outer side of the shell 1, the clamping groove 8 is formed in the clamping block 9, and the universal wheel 4 is fixedly installed below the shell 1.
Further, universal wheel 4 is equipped with a plurality ofly, and a plurality of universal wheels 4 arrange in 1 below four corners department of casing, all are equipped with the brake spare in the universal wheel 4.
A construction air purification method for construction of a construction, comprising the construction air purification device of claims 1 to 6, comprising the steps of:
step S01: firstly, air of a construction environment is sucked into a shell 1;
step S02: the shell 1 is subjected to multi-stage filtration and absorption to purify air;
step S03: monitoring the pH value change of an air purifying agent aqueous solvent and the dryness and humidity of a working environment in real time;
step S04: the alarm and humidification are carried out according to the change of the pH value of the water solvent of the air purifying agent and the dryness and humidity of the working environment.
Further, in step S02, the multi-stage filtration absorption includes solid screening and liquid absorption.
The working principle is as follows:
firstly, the handle 10 is rotated and the brake piece of the universal wheel 4 is started, the handle 10 is pulled to drive the universal wheel 4 to move, the carrying is convenient, after the use is finished, the handle 10 can be clamped in the clamping groove 8 to be convenient for fixedly containing the handle 10, the negative pressure fan in the negative pressure box 21 is started, so that the outside air enters the negative pressure box 21 through the filter plate 15, the filter plate 15 can effectively filter particulate dust, the filtered air is discharged into the air inlet pipe 16 through the negative pressure fan and then enters the detection purification box 19, the detection purification box 19 is filled with an air purifying agent hydrosolvent, most of the existing construction harmful gas is soluble in water, and then the harmful gas in the air is purified, and then the filtered air is discharged through the air outlet pipe 17, the effective air purification can be carried out in the construction area, when the concentration of the outside harmful gas is too high to exceed the purification rate in the detection purification box 19 and exceed the safety range, detect the PH in the purifying box 19 and detect sensor 22 and detect inside PH and change when too big, through controller 7 starter motor 11 and alarm lamp 12 circuit, and then report to the police to the constructor, be convenient for remind the constructor in time to withdraw the construction environment, improve constructor's construction safety nature, controller 7 starts the circuit of water pump simultaneously, and the water of water pump in with storage water tank 20 passes through atomizer 6 blowout for the reduction of the harmful gas concentration in the environment.
Claims (8)
1. The utility model provides an air purification device for building engineering construction, includes casing (1), its characterized in that: air intake (2) and air outlet (14) have been seted up respectively to casing (1) both sides, all be equipped with dustproof grid (3) in air intake (2) and air outlet (14), casing (1) outside fixed mounting has controller (7), controller (7) electric connection external power supply, casing (1) inside left side fixed mounting has filter plate (15), filter plate (15) other end fixed mounting has negative-pressure tank (21), be equipped with negative-pressure fan in negative-pressure tank (21), negative-pressure fan's output end fixed mounting has air-supply line (16), air-supply line (16) other end fixed connection detects purifying box (19), it is filled with air purifying agent to detect purifying box (19) intussuseption, it is equipped with out tuber pipe (17) to detect purifying box (19) the hydrosolvent other end, casing (1) right side is equipped with baffle (18), the air outlet pipe (17) penetrates through the partition plate (18), and a portable assembly, a humidifying assembly and an alarming assembly are arranged on the outer side of the shell (1) respectively.
2. The air purification device for building engineering construction according to claim 1, wherein the alarm component comprises a PH detection sensor (22), a motor (11) and an alarm lamp (12), the PH detection sensor (22) is fixedly installed in the detection purification box (19), the PH detection sensor (22) is electrically connected with the controller (7), the motor (11) is fixedly installed above the shell (1), the motor (11) is electrically connected with the controller (7), the alarm lamp (12) is fixedly installed at the output end of the motor (11), and the alarm lamp (12) is electrically connected with the controller (7).
3. The air purification device for building engineering construction according to claim 1, wherein the humidifying component comprises a water storage tank (20), a humidity sensor (13) and an atomizing spray head (6), the water storage tank (20) is fixedly installed inside the shell (1), a water pump is fixedly installed inside the water storage tank (20), the atomizing spray head (6) is fixedly installed outside the shell (1), and the atomizing spray head (6) is fixedly connected with an output end of the water pump.
4. The air purification device for building engineering construction as claimed in claim 1, wherein there are two atomizing spray heads (6), the two atomizing spray heads (6) are symmetrically arranged along the water storage tank (20), and the atomizing spray heads (6) penetrate through the housing (1).
5. The air purification device for building engineering construction as claimed in claim 1, wherein the portable assembly comprises a universal wheel (4), a rotating shaft (5), a handle (10) and a clamping block (9). Casing (1) both sides are rotated and are installed pivot (5), pivot (5) outside fixed mounting has handle (10), casing (1) outside other end fixed mounting has fixture block (9), draw-in groove (8) have been seted up on fixture block (9), casing (1) below fixed mounting has universal wheel (4).
6. The air purification device for building engineering construction as claimed in claim 5, wherein a plurality of universal wheels (4) are provided, the universal wheels (4) are arranged at four corners below the casing (1), and braking members are arranged in the universal wheels (4).
7. A method for purifying air for construction of construction work, comprising the air purifying apparatus for construction work of claims 1 to 6, characterized by comprising the steps of:
step S01: firstly, air of a construction environment is sucked into a shell (1);
step S02: the shell (1) is subjected to multistage filtering and absorption to purify air;
step S03: monitoring the pH value change of an air purifying agent aqueous solvent and the dryness and humidity of a working environment in real time;
step S04: the alarm and humidification are carried out according to the change of the pH value of the water solvent of the air purifying agent and the dryness and humidity of the working environment.
8. The air purification method for construction of building engineering as claimed in claim 7, wherein in step S02, the multi-stage filtration absorption comprises solid screening and liquid absorption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210570313.5A CN114963394A (en) | 2022-05-24 | 2022-05-24 | Air purification device for building engineering construction and purification method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210570313.5A CN114963394A (en) | 2022-05-24 | 2022-05-24 | Air purification device for building engineering construction and purification method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114963394A true CN114963394A (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210570313.5A Pending CN114963394A (en) | 2022-05-24 | 2022-05-24 | Air purification device for building engineering construction and purification method thereof |
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| CN (1) | CN114963394A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105022339A (en) * | 2015-07-29 | 2015-11-04 | 重庆市南川区庆岩福利碱厂 | Sulphur dust control system in sulphur production workshop |
| CN209165638U (en) * | 2018-11-24 | 2019-07-26 | 山东科技大学 | Air cleaning unit in a kind of architectural environment |
| JP2020151276A (en) * | 2019-03-22 | 2020-09-24 | パナソニックＩｐマネジメント株式会社 | Air purification device |
| CN212842011U (en) * | 2020-07-23 | 2021-03-30 | 惠州市惠高五金制品有限公司 | Automatic constant humidity device |
| CN214120325U (en) * | 2020-09-15 | 2021-09-03 | 杭州树派环保科技有限公司 | A device for indoor formaldehyde detects |
| CN113551358A (en) * | 2021-07-28 | 2021-10-26 | 珠海格力电器股份有限公司 | Ammonia-removing air purifier and control method thereof |
| CN214581619U (en) * | 2021-03-17 | 2021-11-02 | 佛山市星旭电子有限公司 | Air refreshing machine with LED lamp lighting effect |
-
2022
- 2022-05-24 CN CN202210570313.5A patent/CN114963394A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105022339A (en) * | 2015-07-29 | 2015-11-04 | 重庆市南川区庆岩福利碱厂 | Sulphur dust control system in sulphur production workshop |
| CN209165638U (en) * | 2018-11-24 | 2019-07-26 | 山东科技大学 | Air cleaning unit in a kind of architectural environment |
| JP2020151276A (en) * | 2019-03-22 | 2020-09-24 | パナソニックＩｐマネジメント株式会社 | Air purification device |
| CN212842011U (en) * | 2020-07-23 | 2021-03-30 | 惠州市惠高五金制品有限公司 | Automatic constant humidity device |
| CN214120325U (en) * | 2020-09-15 | 2021-09-03 | 杭州树派环保科技有限公司 | A device for indoor formaldehyde detects |
| CN214581619U (en) * | 2021-03-17 | 2021-11-02 | 佛山市星旭电子有限公司 | Air refreshing machine with LED lamp lighting effect |
| CN113551358A (en) * | 2021-07-28 | 2021-10-26 | 珠海格力电器股份有限公司 | Ammonia-removing air purifier and control method thereof |
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