CN113187024A - Rainwater collecting device for environment detection for avoiding dust from influencing detection result - Google Patents
Rainwater collecting device for environment detection for avoiding dust from influencing detection result Download PDFInfo
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- CN113187024A CN113187024A CN202110569546.9A CN202110569546A CN113187024A CN 113187024 A CN113187024 A CN 113187024A CN 202110569546 A CN202110569546 A CN 202110569546A CN 113187024 A CN113187024 A CN 113187024A
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- fixedly connected
- rainwater
- testing result
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- collecting bin
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- 239000000428 dust Substances 0.000 title claims abstract description 33
- 238000001514 detection method Methods 0.000 title abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000012360 testing method Methods 0.000 claims abstract description 28
- 230000007613 environmental effect Effects 0.000 claims abstract description 14
- 239000011521 glass Substances 0.000 claims description 19
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 11
- 238000001914 filtration Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 239000008187 granular material Substances 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- QXJJQWWVWRCVQT-UHFFFAOYSA-K calcium;sodium;phosphate Chemical compound [Na+].[Ca+2].[O-]P([O-])([O-])=O QXJJQWWVWRCVQT-UHFFFAOYSA-K 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/015—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with flat filtering elements
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of environmental monitoring, and discloses a rainwater collection device for environmental detection, which avoids dust from influencing detection results. This avoid dust to influence environment measuring of testing result and use rainwater collection device, the rainwater enters into the inside of the inside filter chamber of device body, further makes the inside that first collection storehouse was plugged up to the layering board, can collect the water of filter chamber inside in earlier stage this moment and keep apart and avoid exposing for a long time outdoors to reached and avoided the dust to influence the effect that the testing result improves the detection device accuracy. The rainwater can enter into the inside that the storehouse was collected to the second through the connecting pipe, and the connecting pipe can be plugged up to the stagnant water board this moment to reached and realized collecting and keep apart the convenient contrast test's of making of different periods of time rainwater effect.
Description
Technical Field
The invention relates to the technical field of environmental monitoring, in particular to a rainwater collecting device for environmental detection, which can avoid dust from influencing a detection result.
Background
Due to the emission of industrial smoke dust, rainwater in the environment is seriously polluted, the acidification of the rainwater brings serious consequences, in recent years, the heavy metal pollution of soil is continuously detected, and people think that the source pollution of the heavy metal of the soil also has great relation with the water quality of the rainwater, so the water quality detection of the rainwater has important significance.
Through the collection detection to the rainwater, can provide certain foundation for the detection of environment, before collecting the rainwater, the device needs to lay outdoor always, and the inside long-time and outside contact of device lets inside a large amount of entering device of outside dust, and when rainy day, the inside dust of device is collected along with the rainwater together, can reduce when examining and detect the accuracy. How to avoid dust to influence the detection result and improve the accuracy of the detection device becomes an important problem, so the rainwater collection device for environment detection is provided for avoiding dust to influence the detection result.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the rainwater collection device for environment detection, which can avoid dust from influencing the detection result, has the advantages of avoiding dust from influencing the detection result and improving the accuracy of the detection device, and solves the problems that the device needs to be placed outdoors before rainwater is collected, the inside of the device is in contact with the outside for a long time, a large amount of outside dust enters the device, and the dust in the device is collected together with rainwater in rainy days, so that the detection accuracy is reduced during detection.
(II) technical scheme
In order to achieve the purpose of avoiding dust from influencing the detection result and improving the accuracy of the detection device, the invention provides the following technical scheme: a rainwater collecting device for environmental detection capable of avoiding dust from affecting detection results comprises a device body, wherein a water collecting funnel is arranged at the top of the device body, a filter cavity is arranged at the top inside the device body, a filter screen is riveted at the right side inside the filter cavity, a supporting spring is fixedly connected at the left bottom of the filter screen, a cross rod is riveted at the right side inside the filter cavity, a hollow glass ball is fixedly connected at the left bottom of the cross rod, a floating ball is movably connected inside the hollow glass ball, a vertical rod is fixedly connected at the bottom of the cross rod, a plug head is fixedly connected at the bottom of the vertical rod, a water outlet pipe is movably connected at the bottom of the plug head, a fixing rod is fixedly connected at the bottom inside the filter cavity, a pressure rod is riveted at the front of the top of the fixing rod, and a first collecting bin is arranged at the bottom inside the device body, the left bottom fixedly connected with first slider of layer-stepping board, the right side of first collection storehouse bottom is provided with first water valve pipe, the inside left side of device body is provided with the second and collects the storehouse, the inside swing joint in second collection storehouse has the second slider, the right side fixedly connected with sealing plate of second slider, the left top fixedly connected with compression spring of sealing plate, the top sliding connection on sealing plate right side has the connecting pipe, the left bottom in second collection storehouse is provided with second water valve pipe.
Preferably, the left side swing joint of filter screen is in the left side of device body, and the one side fixed connection of support spring keeping away from the filter screen is in the inside of device body.
Preferably, the interior of the hollow glass ball is communicated with the interior of the filter cavity.
Preferably, the volume of the bottom of the plug head is matched with the volume inside the top of the water outlet pipe, and the left side of the pressure lever is riveted with the front side of the bottom of the vertical rod.
Preferably, the filter cavity is arranged right above the first collecting bin, and the filter cavity is communicated with the first collecting bin through a water outlet pipe.
Preferably, the length of the layered plate is matched with the width of the interior of the first collecting bin.
Preferably, one side of the compression spring, which is far away from the water stop plate, is fixedly connected to the inner part of the right side of the second collection bin, and the water stop plate is of an L-shaped structure.
Preferably, the second collecting bin is communicated with the first collecting bin through a connecting pipe, and the connecting pipe is arranged above the laminated plate.
(III) advantageous effects
Compared with the prior art, the invention provides the rainwater collection device for the environmental detection, which can avoid dust from influencing the detection result, and has the following beneficial effects:
1. this avoid dust to influence environment measuring of testing result and use rainwater collection device, through catchment funnel and device body, the filter screen, the floater, hollow glass ball, the chock plug, the outlet pipe, the layering board, the cooperation in first collection storehouse is used, the rainwater enters into the inside of the inside filter chamber of device body through catchment funnel, the debris of big granule can stop the top of filter screen this moment, further make the floater can drive hollow glass ball and upwards float, the inside motion of outlet pipe can be followed to the chock plug this moment, further make the layering board plug up the inside in first collection storehouse, can collect the water of filter chamber inside in earlier stage with this moment and keep apart and avoid exposing for a long time outdoors, thereby reached and avoided the dust to influence the effect that the testing result improves the detection device accuracy.
2. This avoid dust to influence environment measuring of testing result and use rainwater collection device collects the storehouse through connecting pipe and second, second slider, the cooperation of stagnant water board is used, and the rainwater can enter into the inside that the storehouse was collected to the second through the connecting pipe, and second slider can the upward movement under the effect of rainwater this moment, further makes the stagnant water board can plug up the connecting pipe to reached and realized collecting and keep apart the convenient contrast test's of making of different periods of time rainwater effect.
Drawings
FIG. 1 is a schematic front view of the overall structure of the present invention;
FIG. 2 is a front view of the compression bar structure of the present invention;
FIG. 3 is a schematic front view of the structure of the hollow glass sphere of the present invention;
FIG. 4 is an enlarged view of the structure A of FIG. 1 according to the present invention.
In the figure: 1. a device body; 2. a water collection funnel; 3. a filter chamber; 4. a filter screen; 5. a support spring; 6. a cross bar; 7. hollow glass spheres; 8. a floating ball; 9. a vertical rod; 10. a plug head; 11. a water outlet pipe; 12. fixing the rod; 13. a pressure lever; 14. a first collection bin; 15. a laminate; 16. a first slider; 17. a first water outlet valve pipe; 18. a second collection bin; 19. a second slider; 20. a water stop plate; 21. a compression spring; 22. a connecting pipe; 23. and a second water outlet valve pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a rainwater collecting device for environmental testing for avoiding dust from affecting the testing result comprises a device body 1, a water collecting funnel 2 is arranged on the top of the device body 1, a filtering chamber 3 is arranged on the top of the interior of the device body 1, a filtering net 4 is riveted on the right side of the interior of the filtering chamber 3, the left side of the filtering net 4 is movably connected on the left side of the device body 1, one side of a supporting spring 5 far away from the filtering net 4 is fixedly connected inside the device body 1, the bottom of the left side of the filtering net 4 is fixedly connected with a supporting spring 5, the right side of the interior of the filtering chamber 3 is riveted with a cross rod 6, the bottom of the left side of the cross rod 6 is fixedly connected with a hollow glass ball 7, the interior of the hollow glass ball 7 is communicated with the interior of the filtering chamber 3, a floating ball 8 is movably connected inside the hollow glass ball 7, a vertical rod 9 is fixedly connected with the bottom of the cross rod 6, and a plug 10 is fixedly connected with the bottom of the vertical rod 9, the bottom of the plug 10 is movably connected with a water outlet pipe 11, the volume of the bottom of the plug 10 is matched with the volume inside the top of the water outlet pipe 11, the bottom inside the filter cavity 3 is fixedly connected with a fixed rod 12, the front of the top of the fixed rod 12 is riveted with a pressure rod 13, the left side of the pressure rod 13 is riveted with the front of the bottom of a vertical rod 9, the bottom inside the device body 1 is provided with a first collection bin 14, the filter cavity 3 is arranged right above the first collection bin 14, the filter cavity 3 is communicated with the first collection bin 14 through the water outlet pipe 11, the right side inside the first collection bin 14 is riveted with a layered plate 15, the length of the layered plate 15 is matched with the width inside the first collection bin 14, the left bottom of the layered plate 15 is fixedly connected with a first floating block 16, the right side of the bottom of the first collection bin 14 is provided with a first water outlet valve pipe 17, the left side inside the device body 1 is provided with a second collection bin 18, the inside of the second collection bin 18 is movably connected with a second floating block 19, the right side fixedly connected with sealing plate 20 of second floating block 19, one side fixed connection that compression spring 21 kept away from sealing plate 20 is in the inside on second collection storehouse 18 right side, and sealing plate 20 is L shape structure, the left top fixedly connected with compression spring 21 of sealing plate 20, the top sliding connection on sealing plate 20 right side has connecting pipe 22, second collection storehouse 18 is linked together through connecting pipe 22 with first collection storehouse 14, and connecting pipe 22 is in the top position of layering board 15, the left bottom in second collection storehouse 18 is provided with second play water valve pipe 23.
Detailed description referring to fig. 1, as the water collecting funnel 2 is arranged at the top of the device body 1, and the filter chamber 3 is arranged at the top inside the device body 1, rainwater can enter the filter chamber 3 inside the device body 1 through the water collecting funnel 2, and the filter screen 4 is riveted at the right side inside the filter chamber 3, large-particle impurities can stay at the top of the filter screen 4, the left side of the filter screen 4 is movably connected to the left side of the device body 1, and one side, far away from the filter screen 4, of the supporting spring 5 is fixedly connected inside the device body 1, so that the filter screen 4 can swing up and down under the impact of rainwater, and the influence of the impurities on the filter screen 4 on rainwater collection is avoided.
Referring to fig. 3 for details, since the inside of the hollow glass ball 7 is communicated with the inside of the filter chamber 3, the rainwater collected in the filter chamber 3 can enter the inside of the hollow glass ball 7, and since the inside of the hollow glass ball 7 is movably connected with the floating ball 8, the floating ball 8 can drive the hollow glass ball 7 to float upwards.
Please refer to fig. 4 for details, the right side inside the filter cavity 3 is riveted with the cross rod 6, the bottom of the left side of the cross rod 6 is fixedly connected with the hollow glass ball 7, so the left side of the cross rod 6 can deflect upwards, the bottom of the cross rod 6 is fixedly connected with the vertical rod 9, so the vertical rod 9 can also deflect upwards, the bottom of the inside of the filter cavity 3 is fixedly connected with the fixing rod 12, the front of the top of the fixing rod 12 is riveted with the pressing rod 13, the left side of the pressing rod 13 is riveted with the front of the bottom of the vertical rod 9, the bottom of the vertical rod 9 is fixedly connected with the plug 10, so the plug 10 can overcome the pressure of the pressing rod 13 and move upwards, the bottom of the plug 10 is movably connected with the water outlet pipe 11, the volume of the bottom of the plug 10 is matched with the volume inside the top of the water outlet pipe 11, and the plug 10 can move out from the inside of the water outlet pipe 11.
Because the filter cavity 3 is right above the first collecting bin 14, and the filter cavity 3 is communicated with the first collecting bin 14 through the water outlet pipe 11, water in the filter cavity 3 can flow into the first collecting bin 14 at the moment, because the right side in the first collecting bin 14 is riveted with the layering plate 15, the bottom on the left side of the layering plate 15 is fixedly connected with the first floating block 16, the layering plate 15 can move upwards at the moment, and because the length of the layering plate 15 is matched with the width in the first collecting bin 14, the layering plate 15 can block the inside of the first collecting bin 14 at the moment, water in the filter cavity 3 in the earlier stage can be collected and isolated to avoid being exposed outdoors for a long time, so that the effect of avoiding dust from influencing the detection result and improving the accuracy of the detection device is achieved.
When water in the filter cavity 3 flows to the first collection bin 14, the plug 10 plugs the water outlet pipe 11 again under the action of gravity of the hollow glass ball 7, when sufficient rainwater is collected in the filter cavity 3 again, the plug 10 is pulled out of the water outlet pipe 11 again, rainwater in the filter cavity 3 flows to the top of the interior of the first collection bin 14, the interior of the first collection bin 14 is blocked by the layered plate 15, the second collection bin 18 is communicated with the first collection bin 14 through the connecting pipe 22, the connecting pipe 22 is located above the layered plate 15, so that rainwater enters the interior of the second collection bin 18 through the connecting pipe 22, the second floating block 19 moves upwards under the action of rainwater because the second floating block 18 is movably connected with the second floating block 19, and the water stop plate 20 is fixedly connected to the right side of the second floating block 19, the top sliding connection on sealing plate 20 right side has connecting pipe 22, so sealing plate 20 can plug up connecting pipe 22 this moment to reached and realized collecting and keep apart the convenient contrast test's of making of different time quantum rainwater effect.
To sum up, this avoid dust to influence environment measuring of testing result and use rainwater collection device, the rainwater enters into the inside of the filter chamber 3 of device body 1 inside through the funnel 2 that catchments, the debris of large granule can stop the top of filter screen 4 this moment, further make floater 8 can drive hollow glass ball 7 and float upwards, stopper 10 can go out from the inside motion of outlet pipe 11 this moment, further make the inside of first collection storehouse 14 of layering board 15 plugging up, can collect the water of filter chamber 3 inside in earlier stage and keep apart this moment and avoid exposing for a long time outdoors, thereby reached and avoided the dust to influence the effect that the testing result improves the detection device accuracy.
The rainwater can enter into the inside of second collection storehouse 18 through connecting pipe 22, and second slider 19 can the upward movement under the effect of rainwater this moment, further makes sealing plate 20 can plug up connecting pipe 22 to reached and realized collecting and keep apart the convenient contrast test's of making of different time quantums rainwater effect.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an avoid dust to influence environment measuring of testing result and use rainwater collection device, includes device body (1), its characterized in that: the water collecting funnel (2) is arranged at the top of the device body (1), the filter cavity (3) is arranged at the top inside the device body (1), the filter screen (4) is riveted at the right side inside the filter cavity (3), the supporting spring (5) is fixedly connected at the left bottom of the filter screen (4), the cross rod (6) is riveted at the right side inside the filter cavity (3), the hollow glass ball (7) is fixedly connected at the left bottom of the cross rod (6), the floating ball (8) is movably connected inside the hollow glass ball (7), the vertical rod (9) is fixedly connected at the bottom of the cross rod (6), the plug head (10) is fixedly connected at the bottom of the vertical rod (9), the water outlet pipe (11) is movably connected at the bottom of the plug head (10), and the fixing rod (12) is fixedly connected at the bottom inside the filter cavity (3), the front of the top of the fixing rod (12) is riveted with a pressing rod (13), the bottom inside the device body (1) is provided with a first collecting bin (14), the right side inside the first collecting bin (14) is riveted with a layered plate (15), the left bottom of the layered plate (15) is fixedly connected with a first floating block (16), the right side of the bottom of the first collecting bin (14) is provided with a first water outlet valve pipe (17), the left side inside the device body (1) is provided with a second collecting bin (18), the inside of the second collecting bin (18) is movably connected with a second floating block (19), the right side of the second floating block (19) is fixedly connected with a water stop plate (20), the left top of the water stop plate (20) is fixedly connected with a compression spring (21), and the top on the right side of the water stop plate (20) is slidably connected with a connecting pipe (22), and a second water outlet valve pipe (23) is arranged at the bottom of the left side of the second collection bin (18).
2. The rainwater collection device for environmental testing for avoiding dust influence on testing result according to claim 1, characterized in that: the left side swing joint of filter screen (4) is in the left side of device body (1), and one side fixed connection of keeping away from filter screen (4) in the inside of device body (1) is kept away from in supporting spring (5).
3. The rainwater collection device for environmental testing for avoiding dust influence on testing result according to claim 1, characterized in that: the interior of the hollow glass ball (7) is communicated with the interior of the filter cavity (3).
4. The rainwater collection device for environmental testing for avoiding dust influence on testing result according to claim 1, characterized in that: the volume of chock plug (10) bottom and the inside volume looks adaptation in outlet pipe (11) top, the left side of depression bar (13) is riveted with the front of montant (9) bottom.
5. The rainwater collection device for environmental testing for avoiding dust influence on testing result according to claim 1, characterized in that: the filter cavity (3) is arranged right above the first collecting bin (14), and the filter cavity (3) is communicated with the first collecting bin (14) through a water outlet pipe (11).
6. The rainwater collection device for environmental testing for avoiding dust influence on testing result according to claim 1, characterized in that: the length of the layered plate (15) is matched with the width of the interior of the first collection bin (14).
7. The rainwater collection device for environmental testing for avoiding dust influence on testing result according to claim 1, characterized in that: one side of the compression spring (21) far away from the water stop plate (20) is fixedly connected to the inner part of the right side of the second collection bin (18), and the water stop plate (20) is of an L-shaped structure.
8. The rainwater collection device for environmental testing for avoiding dust influence on testing result according to claim 1, characterized in that: the second collecting bin (18) is communicated with the first collecting bin (14) through a connecting pipe (22), and the connecting pipe (22) is arranged above the laminated plate (15).
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CN202110569546.9A CN113187024A (en) | 2021-05-24 | 2021-05-24 | Rainwater collecting device for environment detection for avoiding dust from influencing detection result |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU5634394A (en) * | 1993-04-14 | 1994-10-20 | Martin Wallis | Improvements in rainwater storage tanks |
CN211037585U (en) * | 2019-09-26 | 2020-07-17 | 李亮 | Architectural design roof eaves mouth waterproof construction |
CN112049204A (en) * | 2020-08-17 | 2020-12-08 | 温州素吻商贸有限公司 | Energy-saving and environment-friendly toilet water-saving mechanism |
CN212340760U (en) * | 2020-06-08 | 2021-01-12 | 江苏华研检测技术有限公司 | Rainwater collection device for environmental detection |
CN112246741A (en) * | 2020-09-27 | 2021-01-22 | 广州舞磊科技有限公司 | Advertising board cleaning mechanism based on consultation service |
CN112404000A (en) * | 2020-11-06 | 2021-02-26 | 南京涛余鑫贸易有限公司 | Outdoor camera automatic cleaning device capable of avoiding dust shielding |
-
2021
- 2021-05-24 CN CN202110569546.9A patent/CN113187024A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU5634394A (en) * | 1993-04-14 | 1994-10-20 | Martin Wallis | Improvements in rainwater storage tanks |
CN211037585U (en) * | 2019-09-26 | 2020-07-17 | 李亮 | Architectural design roof eaves mouth waterproof construction |
CN212340760U (en) * | 2020-06-08 | 2021-01-12 | 江苏华研检测技术有限公司 | Rainwater collection device for environmental detection |
CN112049204A (en) * | 2020-08-17 | 2020-12-08 | 温州素吻商贸有限公司 | Energy-saving and environment-friendly toilet water-saving mechanism |
CN112246741A (en) * | 2020-09-27 | 2021-01-22 | 广州舞磊科技有限公司 | Advertising board cleaning mechanism based on consultation service |
CN112404000A (en) * | 2020-11-06 | 2021-02-26 | 南京涛余鑫贸易有限公司 | Outdoor camera automatic cleaning device capable of avoiding dust shielding |
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