CN112146202A - Air purification device for cleaning according to filter screen cleaning mode - Google Patents
Air purification device for cleaning according to filter screen cleaning mode Download PDFInfo
- Publication number
- CN112146202A CN112146202A CN202011053936.2A CN202011053936A CN112146202A CN 112146202 A CN112146202 A CN 112146202A CN 202011053936 A CN202011053936 A CN 202011053936A CN 112146202 A CN112146202 A CN 112146202A
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- China
- Prior art keywords
- chamber
- filter screen
- clamping
- air purification
- face
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses an air purification device for cleaning according to a filter screen cleaning mode, which comprises an air purification device, wherein an air purification chamber is arranged on the upper wall surface of the inner cavity of the air purification device, a filter screen which can not be washed and a filter screen which can not be washed are arranged on the upper wall surface of the inner cavity of the air purification chamber, first clamping chambers are respectively arranged on the lower end surfaces of the filter screen which can not be washed and the lower end surface of the filter screen which can not be washed, and clamping guide rails are arranged on the upper wall surface of the inner cavity of the first clamping chamber, the air purification device can carry out different cleaning on the filter screen according to different cleaning methods of the filter screen, and two different cleaning modes can carry out cleaning simultaneously in the same cleaning chamber, so that a lot of space can be saved, the cleaning efficiency can be improved, the air purification device can also clean the filter chamber, prevent a large amount of dust bacteria from, the air purification can be carried out while the filter screen is cleaned.
Description
Technical Field
The invention relates to an air purification device for cleaning according to a filter screen cleaning mode, and mainly relates to the field of air purifiers.
Background
At present, the air purifier mainly depends on an air filter element to adsorb pollutants in the air, the pollutants in the air generally comprise dust, PM2.5, formaldehyde, bacteria and the like, after the air filter element adsorbs the pollutants for a period of time, if the pollutants are not cleaned in time, secondary pollution is caused, the air purifying efficiency of the air purifier is reduced, the pollutants adsorbed in the past can be discharged, and secondary pollution is caused to the air, so the air filter element of the air purifier needs to be cleaned or replaced frequently, the air filter element and a frame fixing part fixed on the air filter element need to be replaced when the air filter element of the air purifier is replaced, the air filter element and the frame fixing part need to be cleaned together when the air filter element is replaced, the air filter element and the frame fixing part fixed on the air filter element are inconvenient to be cleaned together, the air filter element and the frame fixing part fixed on the air filter element need to be replaced in different, the present invention improves upon the above-mentioned disadvantages.
Disclosure of Invention
The invention aims to solve the technical problem of an air purification device for cleaning according to a filter screen cleaning mode, and overcomes the problems.
The invention is realized by the following technical scheme.
An air purification device for cleaning according to a filter screen cleaning mode comprises an air purification device, wherein an air purification chamber is arranged on the upper wall surface of an inner cavity of the air purification device, a water-insoluble filter screen and a water-soluble filter screen are arranged on the upper wall surface of the inner cavity of the air purification device, a first clamping chamber is respectively arranged on the lower end surfaces of the water-soluble filter screen and the water-insoluble filter screen, a clamping guide rail is arranged on the upper wall surface of the inner cavity of the first clamping chamber, a clamping slide block is arranged on the clamping guide rail in a sliding manner, a filter screen clamping telescopic rod is fixedly arranged on the left and right end surfaces of the clamping slide block, a clamping block is arranged on the right end surface of the filter screen clamping telescopic rod, a first telescopic rod is arranged on the lower end surface of the first clamping chamber, a first slide block is arranged on the lower end surface of the first telescopic rod, a first guide rail is fixedly arranged on the left wall surface, the cleaning chamber is characterized in that a second guide rail is arranged on the right wall surface of the inner cavity of the cleaning chamber, a second slide block is arranged on the left end surface of the second guide rail in a sliding manner, a second telescopic rod is arranged on the left end surface of the second slide block, a cleaning chamber spray gun is arranged on the rear end surface of the second guide rail, a cleaning chamber spray gun pipeline is arranged on the right end surface of the cleaning chamber spray gun, clamping telescopic rods are symmetrically arranged on the lower wall surface of the inner cavity of the cleaning chamber, a first clamping chamber is arranged on the upper end surface of each clamping telescopic rod, a water-proof clamping telescopic rod is fixedly arranged on the right wall surface of the inner cavity of the first clamping chamber, a sliding clamping block is arranged on the left end surface of the water-proof clamping telescopic rod, a fixed clamping block is fixedly arranged on the upper end surface of the first clamping chamber, a fixed block is symmetrically arranged on the upper wall surface, two the spring presss from both sides tight piece will the spring both ends are pressed from both sides tightly, first guide rail rear end face is equipped with the reserve filter screen guide rail of washing that can not wash, it is equipped with the reserve filter screen of washing that can not wash to slide on the reserve filter screen guide rail of washing, first guide rail rear end face is equipped with the reserve filter screen guide rail of washing, the reserve filter screen guide rail up end of washing slides and is equipped with the reserve filter screen of washing, the reserve filter screen guide rail right of washing is equipped with the guide rail that disinfects, the guide rail left and right sides symmetry that disinfects is equipped with the fixed plate, fixed plate right-hand member face is equipped with the bactericidal lamp, the fixed first motor that is equipped with of washing chamber left side wall symmetry, first motor up end is equipped with the axis of rotation, washing chamber left end face is.
Further, the wall is equipped with the reservoir chamber on the air purification device inner chamber, the reservoir chamber inner chamber left side wall is equipped with the outlet pipe, the terminal surface is equipped with the valve under the outlet pipe, the valve with purge chamber spray gun pipeline is linked together, the reservoir chamber inner chamber upper wall is equipped with the water inlet, the wall is equipped with flourishing basin under the air purification device inner chamber, the fixed sewage locker room that is equipped with of air purification device right-hand member face, the sewage locker room with flourishing basin is linked together.
Furthermore, a second motor is fixedly arranged on the upper wall surface of the inner cavity of the air purification chamber, a first transmission shaft is arranged on the lower end surface of the second motor, a filter chamber telescopic rod is arranged on the lower end surface of the first transmission shaft, a purification chamber spray gun is arranged on the lower end surface of the filter chamber telescopic rod, and the purification chamber spray gun is communicated with the valve.
Further, the fixed dust catcher that is equipped with of wall on the inner chamber of cleaning chamber, the dust catcher up end is equipped with the dust absorption exit tube, the right wall of air purification device inner chamber slides and is equipped with the dust apotheca, the right-hand member face of dust apotheca is equipped with the dust pipe, the dust pipe with the dust absorption exit tube is linked together, the wall is equipped with the fan on the inner chamber of air purification device, the fan left end face is equipped with fan air-out pipe, fan air-out pipe with the cleaning chamber spray gun pipeline is linked together.
The invention has the beneficial effects that: the invention can carry out different cleaning according to different cleaning methods of the filter screen, and two different cleaning modes can carry out cleaning simultaneously in the same cleaning chamber, thus saving much space and improving cleaning efficiency.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure at A-A in FIG. 1;
FIG. 3 is a schematic view of the structure at B-B in FIG. 1;
FIG. 4 is an enlarged schematic view of the structure at C in FIG. 1;
fig. 5 is an enlarged schematic view of the structure at D in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The air purification device for cleaning according to the filter screen cleaning mode, which is described in conjunction with the attached drawings 1-5, comprises an air purification device 10, an air purification chamber 57 is arranged on the upper wall surface of the inner cavity of the air purification device 10, a water-insoluble filter screen 56 and a water-insoluble filter screen 55 are arranged on the upper wall surface of the inner cavity of the air purification chamber 57, a first clamping chamber 44 is respectively arranged on the lower end surfaces of the water-insoluble filter screen 55 and the water-insoluble filter screen 56, a clamping guide rail 48 is arranged on the upper wall surface of the inner cavity of the first clamping chamber 44, a clamping slider 47 is slidably arranged on the clamping guide rail 48, filter screen clamping telescopic rods 46 are fixedly arranged on the left and right end surfaces of the clamping slider 47, a clamping block 45 is arranged on the right end surface of the filter screen clamping telescopic rod 46, a first telescopic rod 11 is arranged on the lower end surface of the first clamping chamber 44, a first slider 12 is arranged, the first sliding block 12 is slidably mounted on the first guide rail 13, a cleaning chamber 52 is fixedly arranged on the right wall surface of an inner cavity of the air purification device 10, a second guide rail 23 is arranged on the right wall surface of the inner cavity of the cleaning chamber 52, a second sliding block 24 is slidably arranged on the left end surface of the second guide rail 23, a second telescopic rod 25 is arranged on the left end surface of the second sliding block 24, a cleaning chamber spray gun 33 is arranged on the rear end surface, a cleaning chamber spray gun pipeline 34 is arranged on the right end surface of the cleaning chamber spray gun 33, clamping telescopic rods 21 are symmetrically arranged on the lower wall surface of the inner cavity of the cleaning chamber 52, a first clamping chamber 44 is arranged on the upper end surface of each clamping telescopic rod 21, a water-resisting clamping telescopic rod 49 is fixedly arranged on the right wall surface of the inner cavity of the first clamping chamber 44, a sliding clamping block 50 is arranged on the left end surface of the water-resisting clamping telescopic rod 49, a fixed, the right terminal surface of fixed block 26 is equipped with spring 41, the right terminal surface of spring 41 is equipped with water-proof cloth 43, fixed block 26 right terminal surface is equipped with spring clamp piece 42, water-proof cloth 43 left end face is equipped with spring clamp piece 42, two spring clamp piece 42 will spring 41 both ends are pressed from both sides tightly, first guide rail 13 rear end face is equipped with can't wash reserve filter screen guide rail 39, it is equipped with can't wash reserve filter screen 53 to slide on the reserve filter screen guide rail 39 that can't wash, first guide rail 13 rear end face is equipped with the reserve filter screen guide rail 40 that washes, the reserve filter screen guide rail 40 up end of washing slides and is equipped with the reserve filter screen 54 that washes, the reserve filter screen guide rail 40 the right of washing is equipped with guide rail 62 that disinfects, both sides are fixed with fixed plate 15 about guide rail 62, fixed plate 15 right terminal surface is equipped with bactericidal lamp 16, the washing room 52, the upper end surface of the first motor 17 is provided with a rotating shaft 18, the left end surface of the cleaning chamber 52 is provided with a cleaning door 19, and the cleaning door 19 is hinged to the right end surface of the cleaning chamber 52 through the rotating shaft 18.
Beneficially, a water storage chamber 28 is arranged on the upper wall surface of an inner cavity of the air purification device 10, a water outlet pipe 29 is arranged on the left wall surface of the inner cavity of the water storage chamber 28, a valve 30 is arranged on the lower end surface of the water outlet pipe 29, the valve 30 is communicated with the cleaning chamber spray gun pipeline 34, a water inlet 59 is arranged on the upper wall surface of the inner cavity of the water storage chamber 28, a water containing groove 14 is arranged on the lower wall surface of the inner cavity of the air purification device 10, a sewage storage chamber 22 is fixedly arranged on the right end surface of the air purification device 10, and the.
Advantageously, a second motor 35 is fixedly arranged on the upper wall surface of the inner cavity of the air purification chamber 57, a first transmission shaft 36 is arranged on the lower end surface of the second motor 35, a filter chamber telescopic rod 37 is arranged on the lower end surface of the first transmission shaft 36, a purification chamber spray gun 38 is arranged on the lower end surface of the filter chamber telescopic rod 37, and the purification chamber spray gun 38 is communicated with the valve 30.
Beneficially, a dust collector 27 is fixedly arranged on the upper wall surface of the inner cavity of the cleaning chamber 52, a dust suction outlet pipe 20 is arranged on the upper end surface of the dust collector 27, a dust storage chamber 60 is slidably arranged on the right wall surface of the inner cavity of the air purification device 10, a dust guide pipe 58 is arranged on the right end surface of the dust storage chamber 60, the dust guide pipe 58 is communicated with the dust suction outlet pipe 20, a fan 31 is arranged on the upper wall surface of the inner cavity of the air purification device 10, a fan air outlet pipe 32 is arranged on the left end surface of the fan 31, and the fan air outlet pipe 32 is communicated with the cleaning chamber.
Sequence of mechanical actions of the whole device: the device is placed in a place needing air purification, the air purification is carried out in the place, when certain dust exists on a water washing filter screen 55 and a water incapable filter screen 56, a clamping slide block 47 moves upwards on a clamping guide rail 48 to the highest point, a filter screen clamping telescopic rod 46 is started, a clamping block 45 moves towards the middle to clamp the water washing filter screen 55 and the water incapable filter screen 56, a first telescopic rod 11 is started after clamping, a first clamping chamber 44 drives the water washing filter screen 55 and the water incapable filter screen 56 to move downwards, meanwhile, a first motor 17 is started to drive a rotating shaft 18 to rotate, the rotating shaft 18 drives a cleaning door 19 to rotate, a door of a cleaning chamber 52 is opened, when the water washing filter screen 55 and the water incapable filter screen 56 are separated from a cavity of an air purification chamber 57, a first slide block 12 moves towards the right to enable the water washing filter screen 55 and the water incapable filter screen 56 to enter the cleaning chamber 52, and then the first motor 17 is started to drive the rotating, the rotating shaft 18 drives the cleaning door 19 to rotate, the door of the cleaning chamber 52 is closed, then the cleaning chamber spray gun 38 is started to spray water, the second motor 35 is started to drive the first transmission shaft 36 to rotate, so that the cleaning chamber spray gun 38 rotates, meanwhile, the filter chamber telescopic rod 37 is started to move downwards slowly, so that the cleaning chamber spray gun 38 is exposed out of the cavity of the air cleaning chamber 57 to be cleaned, then the standby filter screen 53 and the standby filter screen 54 which cannot be washed are moved forwards to the positions of the previous washing filter screen 55 and the previous washing filter screen 56 to be stopped, then the first telescopic rod 11 moves upwards to install the standby filter screen 53 and the standby filter screen 54 which cannot be washed on the filtering position, the filter screen clamping telescopic rod 46 is started to loosen the standby filter screen 53 and the standby washing filter screen 54 which cannot be washed, then the clamping slide block 47 moves downwards to withdraw the clamping slide block 47, and at the same time, the fan 31, The cleaning chamber spray gun pipeline 34 is compressed into the cleaning chamber spray gun 33 to spray and clean the water-washable filter screen 55 and the water-unwashable filter screen 56, the second slide block 24 moves on the second guide rail 23, the second slide block 24 is started to reciprocate back and forth, so that the cleaning chamber spray gun 33 can clean the water-washable filter screen 55 and the water-unwashable filter screen 56 without dead angles, at this time, the dust collector 27 is started to suck dust and other substances in the cleaning chamber 52 into the dust storage chamber 60 through the dust suction outlet pipe 20 and the dust guide pipe 58, then the clamping telescopic rod 21 is started to drive the first clamping chamber 44 to move upwards to enable the waterproof cloth 43 to be positioned between the fixed clamping block 51 and the sliding clamping block 50, then the waterproof clamping telescopic rod 49 is started to enable the sliding clamping block 50 to move leftwards to clamp the waterproof cloth 43, then the clamping telescopic rod 21 moves downwards to the lowest position to stop, and thus the water-washable filter screen can be separated from the water-unwash, the water washing can be carried out independently, then the fan 31 is closed to stop supplying air, the valve 30 is opened to start supplying water into the cleaning chamber spray gun 33 to wash the filter screen which can be washed by the water, simultaneously the second slide block 24 moves on the second guide rail 23, the second slide block 24 is started to do reciprocating motion back and forth, so that the cleaning chamber spray gun 33 can clean the filter screen 56 which can not be washed without dead angles, after the cleaning is finished, the cleaning chamber spray gun 33 stops, the water-resisting clamping telescopic rod 49 is started to drive the sliding clamping block 50 to move rightwards to loosen the water-resisting cloth 43, the water-resisting cloth 43 is recovered and rolled up under the action of the spring 41, simultaneously the first motor 17 is started to drive the rotating shaft 18 to rotate, the rotating shaft 18 drives the cleaning door 19 to rotate, the door of the cleaning chamber 52 is opened, then the first slide block 12 drives the water-washing filter screen 55 and the filter screen 56 which can not be washed to move towards the sterilizing guide rail 62, when, the fixing plate 15 sterilizes the water washing filter 55 and the water non-washing filter 56, and then the water washing filter 55 and the water non-washing filter 56 are respectively parked on the water non-washing spare filter guide 39 and the water washing spare filter guide 40, and the above-mentioned washing water flows into the water containing tank 14 and then is stored in the sewage storage chamber 22, and then the above-mentioned steps are repeated.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (4)
1. The utility model provides an air purification device who clears up according to filter screen cleaning mode, includes air purification device, its characterized in that: the upper wall surface of the inner cavity of the air purification device is provided with an air purification chamber, the upper wall surface of the inner cavity of the air purification chamber is provided with a water-insoluble filter screen and a water-soluble filter screen, the lower end surfaces of the water-soluble filter screen and the water-insoluble filter screen are respectively provided with a first clamping chamber, the upper wall surface of the inner cavity of the first clamping chamber is provided with a clamping guide rail, the clamping guide rail is provided with a clamping slide block in a sliding manner, the left end surface and the right end surface of the clamping slide block are fixedly provided with filter screen clamping telescopic rods, the right end surface of the filter screen clamping telescopic rods is provided with a clamping block, the lower end surface of the first clamping chamber is provided with a first telescopic rod, the lower end surface of the first telescopic rod is provided with a first slide block, the left wall surface of the inner cavity of the air purification device is fixedly provided with a first guide rail, the left end face of the second guide rail is provided with a second slide block in a sliding manner, the left end face of the second slide block is provided with a second telescopic rod, the rear end face of the second slide block is provided with a cleaning chamber spray gun, the right end face of the cleaning chamber spray gun is provided with a cleaning chamber spray gun pipeline, the lower wall face of the inner cavity of the cleaning chamber is symmetrically provided with clamping telescopic rods, the upper end face of the clamping telescopic rods is provided with a first clamping chamber, the right wall face of the inner cavity of the first clamping chamber is fixedly provided with a water-proof clamping telescopic rod, the left end face of the water-proof clamping telescopic rod is provided with a sliding clamping block, the upper end face of the first clamping chamber is fixedly provided with a fixed clamping block, the upper wall face of the inner cavity of the cleaning chamber is symmetrically provided with a fixed block, the right end face of the fixed block is provided with a spring, the right end face, first guide rail rear end face is equipped with the reserve filter screen guide rail of can not washing, the reserve filter screen guide rail of can not washing goes up to slide and is equipped with the reserve filter screen of can not washing, first guide rail rear end face is equipped with the reserve filter screen guide rail of washing, the reserve filter screen guide rail up end of washing slides and is equipped with the reserve filter screen of washing, the reserve filter screen guide rail the right of washing is equipped with the guide rail that disinfects, the guide rail left and right sides symmetry that disinfects is equipped with the fixed plate, fixed plate right-hand member face is equipped with the bactericidal lamp, the fixed first motor that is equipped with of washing chamber left wall face symmetry, first motor up end is equipped with the axis of rotation, washing chamber left end face is equipped with the washing door, the washing door.
2. The air cleaning device according to claim 1, wherein the air cleaning device comprises: the wall is equipped with the reservoir chamber on the air purification device inner chamber, the reservoir chamber inner chamber left side wall is equipped with the outlet pipe, the terminal surface is equipped with the valve under the outlet pipe, the valve with purge chamber spray gun pipeline is linked together, the reservoir chamber inner chamber upper chamber wall is equipped with the water inlet, the wall is equipped with flourishing basin under the air purification device inner chamber, the fixed sewage locker room that is equipped with of air purification device right-hand member face, the sewage locker room with flourishing basin is linked together.
3. The air cleaning device according to claim 1, wherein the air cleaning device comprises: the air purification room inner chamber upper wall face is fixed and is equipped with the second motor, the terminal surface is equipped with first transmission shaft under the second motor, the terminal surface is equipped with the filter chamber telescopic link under the first transmission shaft, the terminal surface is equipped with the clean room spray gun under the filter chamber telescopic link, the clean room spray gun with the valve is linked together.
4. The air cleaning device according to claim 1, wherein the air cleaning device comprises: the fixed dust catcher that is equipped with of wall on the inner chamber of cleaning chamber, the dust catcher up end is equipped with the dust absorption exit tube, air purification device inner chamber right side wall slides and is equipped with the dust apotheca, the dust apotheca right-hand member face is equipped with the dust pipe, the dust pipe with the dust absorption exit tube is linked together, the wall is equipped with the fan on the air purification device inner chamber, the fan left end face is equipped with fan air-out pipe, fan air-out pipe with the cleaning chamber spray gun pipeline is linked together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011053936.2A CN112146202A (en) | 2020-09-29 | 2020-09-29 | Air purification device for cleaning according to filter screen cleaning mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011053936.2A CN112146202A (en) | 2020-09-29 | 2020-09-29 | Air purification device for cleaning according to filter screen cleaning mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112146202A true CN112146202A (en) | 2020-12-29 |
Family
ID=73894467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011053936.2A Withdrawn CN112146202A (en) | 2020-09-29 | 2020-09-29 | Air purification device for cleaning according to filter screen cleaning mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112146202A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117309504A (en) * | 2023-11-30 | 2023-12-29 | 天宇利水信息技术成都有限公司 | Rainwater detection device with cleaning and calibration functions |
-
2020
- 2020-09-29 CN CN202011053936.2A patent/CN112146202A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117309504A (en) * | 2023-11-30 | 2023-12-29 | 天宇利水信息技术成都有限公司 | Rainwater detection device with cleaning and calibration functions |
| CN117309504B (en) * | 2023-11-30 | 2024-02-09 | 天宇利水信息技术成都有限公司 | Rainwater detection device with cleaning and calibration functions |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201229 |
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| WW01 | Invention patent application withdrawn after publication |