CN101319510A - Rainwater runoff control apparatus - Google Patents
Rainwater runoff control apparatus Download PDFInfo
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- CN101319510A CN101319510A CNA2008100224083A CN200810022408A CN101319510A CN 101319510 A CN101319510 A CN 101319510A CN A2008100224083 A CNA2008100224083 A CN A2008100224083A CN 200810022408 A CN200810022408 A CN 200810022408A CN 101319510 A CN101319510 A CN 101319510A
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- rainwater
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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
Abstract
The invention discloses an initial rainwater runoff control device, which comprises a controller, a runoff collection pipe and a rainwater collection hopper, wherein, an electromagnetic valve connected with the controller is arranged in the runoff collection pipe; the lower end of the rainwater collection hopper is provided with a first rainwater monitoring hopper and a second rainwater monitoring hopper; a first floating ball, a first water outlet, a first overflow port and a first water level probe are arranged in the first rainwater monitoring hopper; a second floating ball, a second water outlet, a second overflow port and a second water level probe are arranged in the second rainwater monitoring hopper; and the first water level probe and the second water level probe are respectively connected with the controller. Compared with the prior art, the device adopts a microcomputer control technology and has a control principle different from other devices; the microcomputer control has good stability, high accuracy, convenient operation, practicability and safety, and has greatly improved environment adaptability compared with the prior device; in addition, a microcomputer has lower power, so the device is more environment-friendly and energy-saving.
Description
Technical field
The present invention relates to a kind of early-stage rainwater footpath flow control device, utilize again, thereby reduce harm, improve the utilization ratio of rainwater, belong to the technical field of rainfall runoff control environment with the collection and treatment that is used for early-stage rainwater and the collection of later stage cleaning rainwater.
Background technology
A large amount of studies show that both at home and abroad, the early-stage rainwater runoff pollution that road surface, bridge floor and roofing etc. are located is serious, environmental hazard is big, and the later stage rainfall runoff cleans relatively, get final product reuse after the simple process, and the interface of early-stage rainwater and later stage rainwater, different regions, different places, different rain types all can cause very big difference.And the runoff of different places, the required collection in different location is different, as needing the abandoned stream early-stage rainwater in the biotope, collect the later stage rainwater and handle the comprehensively utilization again of carrying out rainwater, and speedway, stride places such as river bridge floor, then needing to collect the precontamination rainwater that exceeds standard handles, and the cleaning rainwater that the abandoned stream later stage need not to handle improves treatment effeciency, reduces processing cost.
At present, carried out extensive studies at early-stage rainwater footpath flow control device both at home and abroad, patent is also varied, behind in December, 2002 research such as domestic Che Wu of Beijing University of Civil Engineering and Architecture on the 13rd shunting rainwater automatic flow abandoning method and apparatus, the utility model patent invention of this aspect constantly occurs, automatically shunt gathering system as: the Xu Zhitong of Being Tainingkuchuang Science and Technology Co., Ltd respectively at 2004 and a kind of rain early-stage split-flow device and the building roofing rain-water drainage applied in 2005, the Liu Peng of China Institute of Building Standard Design ﹠ Research in 2006, initial rain water drainage tank that Zhao Xin applied for and early-stage rainwater partition apparatus, and the rain early-stage split-flow device applied for of Beijing Ge Jing in 2006.In addition, the patent of relevant early-stage rainwater runoff flow abandoning apparatus is few.
More than in the research, the shunting rainwater automatic flow abandoning method and apparatus that the Che Wu of Beijing University of Civil Engineering and Architecture etc. is studied, only utilize the active force of the buoyancy of ball float and lever to reach the purpose of abandoned stream, it is bigger that operation stability is influenced by hydraulics, running precision is lower, be difficult to stable separate early-stage rainwater and later stage rainwater exactly, and this device only is used for conventional rainwater and holds back pond or storage pond, should and the utilization scope is crossed to narrow.The initial rain water drainage tank of application such as Liu Peng, main mechanical partition is controlled the rainwater in early stage and later stage, belongs to mechanical control device, and its precision and stability are subject to hydraulics, and the influence of the partition ability of dividing plate is bigger.The logical a kind of rain early-stage split-flow device applied for of Xu Zhi is a kind of device of semi-automation, its utilization ball float drives the unlatching that liquid-level switch comes control electromagnetic valve, in the higher environment of humidity, the sensitivity of its switch is lower, thereby the running precision of this device and the ability that this device adapts to adverse circumstances have been reduced, in addition the rising of ball float with reduce the intensity depend on rainfall but not amount of precipitation, rain time or run-off, this make that the rainfall intensity in early stage is big and seriously polluted and the later stage rainfall intensity is little and the runoff of cleaning by wrong abandoned stream and collection, thereby reduced the operation accuracy of this device.In addition, this device electromagnetic valve all is in opening in non-rainfall stage or rainfall intensity in the less time period but not cuts out, and makes that this device power consumption is bigger, and is not energy-conservation.The building roofing rain-water drainage of its application is shunted gathering system automatically, it utilizes intelligent flow meter to replace ball float to detect rainfall intensity, and the current in the rain water on roof gutter are generally non-flowing full state (when particularly rainfall intensity is less), and intelligent flow meter is bigger to the evaluated error rate of non-flowing full, can only detect the bigger rainfall of intensity.Less as rainfall rainfall intensity in earlier stage, the rainfall intensity in later stage is bigger, then can cause with serious pollution rainfall in early stage to be collected utilizing and be not abandoned stream, the clean rainwater in later stage by abandoned stream and be not collected, thereby there is certain problem in the coupling of this Design of device and actual conditions, and intelligent flow meter involves great expense, and is unfavorable for the popularization of this device.
Domestic present studies show that, existing flow abandoning apparatus majority is mechanical or automanual flow abandoning apparatus, the ability of stability, practicality, adaptation different regions runoff is relatively poor, a little less than the adjustability, can not stablize and is applicable to each area effectively.In addition, more than device all can not adapt to the variation with factors such as place, Rainfall Characteristics of early-stage rainwater and later stage rainwater interface, and abandoned stream, capacity gauge are limited.
In order effectively to solve the limitation of above utility model patent, micro computer (single-chip microcomputer) control technology is introduced flow abandoning apparatus, by the stable control of micro computer, improve the ability of stability, practicality, adjustability and the adaptation different regions runoff of rainfall runoff device; By the infrared amount of precipitation that detects, improve accuracy of detection and operation stability; Electromagnetic valve is in normally off under non-abandoned stream state, cuts down the consumption of energy; Detect the height of bucket by knob fine setting rainfall and regulate the abandoned stream amount of precipitation, thereby increased the state of a control under the rainfall control model; In addition, this device has the multi-functional method of operation of rainfall control operation, time control operation and the operation of rainfall temporal joint, thereby has promoted the service ability of the adaptation different regions of this device.The present invention has used two single-chip microcomputers to control, and has improved precision, accuracy and the stability of control widely, and the present invention simultaneously has the multiple method of operation and parameter modification ability, thereby has guaranteed the regional applicability that this device is stronger.
This device is that a kind of initial stage runoff rainwater collection and treatment and later stage cleaning rainwater that collects is collected the full-automatic device that is used in one again, have full automation, operating cost is low, maintenance management is simple, operation stability is high, functionally selective is many, easy for installation, little to periphery influence, can be decentralized, advantage that miniaturization is installed, be suitable for the collection and treatment engineering of early-stage rainwater runoff of contaminated area and the later stage rainwater recycling engineering of intelligent residential district; This device has many control function of time control, amount of precipitation control and time amount of precipitation Collaborative Control, the rainfall runoff that can adapt to different regions by the operational factor on the adjusting device pollutes control, can adapt to multiple bad working environment, parallel-adder settle-out time is long.
Summary of the invention
Technical problem to be solved by this invention is at above-mentioned the deficiencies in the prior art, and a kind of early-stage rainwater footpath flow control device is provided, apply to rainfall runoff pollution control engineering and rainwater recycling engineering, relatively poor with the ability that overcomes the stability that exists in the existing apparatus, practicality, adaptation different regions runoff, shortcomings such as the weak and regional adaptive capacity of adjustability is weak improve that the early-stage rainwater runoff is collected automatically and the effect of abandoned stream.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of early-stage rainwater footpath flow control device, comprise controller, runoff collecting pipe and rainwater collection bucket, in described runoff collecting pipe, be provided with the electromagnetic valve that is connected with controller, it is characterized in that: be provided with first rainwater in the lower end of described rainwater collection bucket and detect bucket and second rainwater monitoring bucket, in first rainwater monitoring bucket, be provided with first ball float, lower end at first rainwater monitoring bucket offers first delivery port, upper end at rainwater monitoring bucket offers first overfall, in second rainwater monitoring bucket, be provided with second ball float, lower end at second rainwater monitoring bucket offers second delivery port, upper end at rainwater monitoring bucket offers second overfall, detect first water-level probe that also is provided with the monitoring first ball float position on the bucket at first rainwater, detect second water-level probe that also is provided with the monitoring second ball float position on the bucket at second rainwater, and first water-level probe and second water-level probe are connected with controller respectively.
Also be provided with one second electromagnetic valve at described first delivery port, this second electromagnetic valve is connected with controller.
Also be provided with an elevating mechanism on described first rainwater monitoring bucket, described first water-level probe is fixed on the movable original paper of this elevating mechanism.
Described elevating mechanism is a pinion and rack, and tooth bar and first detects bucket fixedlys connected, and described first water-level probe is fixed on the gear.
Described controller comprises host scm U1, digital display part, button and signal controlling part, outside rainfall water level signal collecting part and operating water level, time state LED shows and external electric magnet valve control section, amount of precipitation parameter and the interior rainfall of second rainfall detection bucket that outside rainfall water level signal collecting part is used to gather in first rainfall detection bucket begin to be transferred to host scm U1 with end signal, button and signal controlling part then are used to set control time parameter and the control amount of precipitation parameter in the host scm U1, analyze all kinds of operational factor states and then control operating water level by host scm U1 again, the demonstration of each LED of time state and the state of electromagnetic valve, digital display part are the demonstrations that is used for time set value and surplus value.
Compared with prior art, the invention has the advantages that:
What 1, the present invention adopted is micro computer (single-chip microcomputer) control technology, and control principle is different with other devices; Microcomputerized control has good stability, accuracy height, easy to operate, practical safety and conforming property and all had significant improvement than install in the past, and in addition, micro computer power is lower, thereby comparatively environmental protection and energy-conservation.
2, complete function, this device has amount of precipitation control model, time control model and amount of precipitation and temporal joint control model, thereby remedied so that the misoperation that utilization rainfall intensity mode operation is produced in the device to be arranged, complete and the diversity of mode capabilities also makes this device can be applicable to that the pattern of different areas and place, particularly amount of precipitation and rain time cooperation makes this device can adapt to different rain types in addition.
3, infrared detection rainfall water level makes that by infrared detection rainfall water level the operation of this device amount of precipitation control model is more accurate and stable.
4, can finely tune rainfall and detect the bucket height, finely tune rainfall detection probe height (the first rainfall detection probe height among Fig. 6 can be regulated by the knob on bucket body limit) by knob, regulate the reference amount of precipitation parameter under the amount of precipitation control model, and make this device amount of precipitation parameter horn of plenty more under the amount of precipitation control model, it is stronger to make that this device adapts to the ability of different regions and rainfall runoff.
5, biplate single-chip microcomputer operation, the control section in this device has adopted the double mcu operation, has so not only improved precision and the stability moved, and more remains pin and provide the space for the function upgrading in later stage.
6, judge the whether same rainfall of two rain automatically.This device can judge automatically whether two rainfalls are a unified rainfall according to amount of precipitation and the time interval, and the time interval parameter of judgement, can manually set according to user's needs, thereby improve the running precision of this device.
7, micro computer detects and to stop the rain time, the time that second rainfall in this device detects the bottom side end that struggles against after having opened the circular hole of 1mm and being used to detect rainfall and stopping.At home and abroad in the rainfall runoff research, the rainfall of not enough 6h at interval is considered as same rainfall, the rainfall that surpasses 6h belongs to two rainfalls.That is to say that after the Shang Yichang rainfall stops if rainfall once more in the 6h, second rain belongs to the continuity of previous field rainfall so, then require this device will continue to go up the running status of rainfall.If two rain time have exceeded 6h at interval, then require this device to reset again, restart.With regard to this device, only use the amount of precipitation emptying time to characterize two time intervals between rain, the collection bucket that is used to collect rainfall so then needs about 2000mm, increased the producing cost of device greatly, the words that adopt this mode to move in addition, what of amount of precipitation the time interval can fluctuate with between two rain, greatly reduces the running precision of this device.With the amount of precipitation is that 2mm calculates, and the emptying time that rainfall detects bucket 2 is 10min only, and remaining 5h and 50min are provided by micro computer, and can regulate remaining time, and different amount of precipitations have its corresponding residue compensation time.Thereby improved the running precision of this device.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 detects the bucket structure schematic diagram for the present invention's first rainwater.
The side sectional view of Fig. 3 Fig. 2.
Fig. 4 detects the bucket structure schematic diagram for the present invention's second rainwater.
Fig. 5 is controller circuitry control principle figure of the present invention.
Fig. 6 is button and control section circuit diagram.
Fig. 7 is charactron display circuit figure.
Fig. 8 is that operating water level, time state LED show and external electric magnet valve control chart.
Fig. 9 is water-level probe and comparison circuit figure.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is elaborated.
Referring to figs. 1 to Fig. 4, a kind of early-stage rainwater footpath flow control device, comprise controller 1, runoff collecting pipe 2 and rainwater collection bucket 3, in described runoff collecting pipe 2, be provided with first electromagnetic valve 21 that is connected with controller 1, be provided with first rainwater in the lower end of described rainwater collection bucket 3 and detect bucket 4 and second rainwater monitoring bucket 5, in first rainwater monitoring bucket 4, be provided with first ball float 41, lower end at first rainwater monitoring bucket 4 offers first delivery port 42, upper end at rainwater monitoring bucket 4 offers first overfall 43, the bore of first delivery port is the time after 1mm is used to detect rainfall and stops, in second rainwater monitoring bucket 5, be provided with second ball float 51, lower end at second rainwater monitoring bucket 5 offers second delivery port 52, upper end at rainwater monitoring bucket 5 offers second overfall 53, detect first water-level probe 6 that also is provided with monitoring first ball float 41 positions on the bucket 4 at first rainwater, detect second water-level probe 7 that also is provided with monitoring second ball float 51 positions on the bucket 5 at second rainwater, and first water-level probe 6 and second water-level probe 7 are connected with controller 1 respectively.Also be provided with one second electromagnetic valve 44 at described first delivery port 42, this second electromagnetic valve 44 is connected with controller 1.Also be provided with an elevating mechanism 8 on described first rainwater monitoring bucket 4, this elevating mechanism 8 is a pinion and rack, and tooth bar 81 and first detects bucket 4 fixedlys connected, and described first water-level probe 6 is fixed on the movable original paper gear 82 of elevating mechanism 8.
The controller of this device is made up of host scm U1 control section, digital display part, button and signal controlling part, outside rainfall water level signal collecting part and operating water level, time state LED demonstration and external electric magnet valve control section.Amount of precipitation parameter and the interior rainfall of second rainfall detection bucket that outside rainfall water level signal collecting part is used to gather in first rainfall detection bucket begin to be transferred to single-chip microcomputer U1 with end signal, button and signal controlling part then are used to set control time parameter and the control amount of precipitation parameter in the single-chip microcomputer U1, analyze all kinds of operational factor states and then control operating water level, the demonstration of each LED of time state and the state of electromagnetic valve by single-chip microcomputer U1 again, digital display part is the demonstration that is used for time set value and surplus value, referring to Fig. 5 to Figure 10.
A. the numeral of each pin is corresponding to the numeral of each pin in Fig. 6～9 among Fig. 5, and the two links to each other digital identical expression.B. Fig. 6 button and control circuit figure, figure left end LED pin respectively with Fig. 5 in the P2 pin of U1 link to each other with the P1 pin of U4 among Fig. 6, linking to each other with the P2 pin of U1 among Fig. 5 is used to set U1 inner control parameter, and the P3 that is used to light U4 of linking to each other with U4 goes up LED and is convenient to determine pressing of button.C. the P0 pin that Fig. 7 charactron display circuit figure, its pin are connected in U1 is used for the demonstration of time parameter.D. Fig. 8 operating water level, time state LED show and external electric magnet valve control chart that its pin is connected in P1 and the P3 pin of U1, is used for the demonstration of operating water level, time state and the control of external electric magnet valve.E. Fig. 9 is water-level probe and calibration circuit figure, be the outside rainfall water level signal collecting part among Fig. 5, left-hand component among Fig. 9 links to each other with the 74LS08 on the right, 74LS04 links to each other with the P1 pin of U1, the tail end of 74LS08 links to each other with the P2 pin of U4,74LS04 is a not gate, the low level of P1 pin among the U1 is changed into high level, and 74LS08 is and door, can compare setup parameter value in water-level probe signal and the U1 by 74LS08, comparative result is transferred to U4, by being transferred to U1 after the screening of U4 again, U1 and then electromagnetic valve is controlled according to the fiducial value of the two.
1. basic function, by apparatus system Fig. 1 as seen, this device is by the rainfall runoff electronic control part, and rainfall is collected part and the runoff collecting pipe is formed.Basic function is as follows:
A. time operational mode, before the operation beginning, preestablish the runoff acquisition time, install the beginning of judging rainfall by second water-level probe 7 among Fig. 4 then, after rainfall begins, second water-level probe 7 is given controller 1 one pulse, come the timing of start-up control device, runoff collecting pipe 2 is the abandoned stream state around here, when between institute's timing with the previous flow-through period of setting when identical, controller 1 is opened first electromagnetic valve 21 among Fig. 1 immediately, after this collecting pipe 2 is a collection status, after second water-level probe 7 detects the rainfall end signal, closes first electromagnetic valve 21 immediately, and opening second electromagnetic valve 44,5min closes automatically.
B. amount of precipitation operational mode, first water-level probe 6 among Fig. 1 is to be used for measuring first rainfall to detect what of amount of precipitation in the bucket, before the operation beginning, preestablish runoff and collect amount of precipitation, after rainfall begins, first water-level probe 6 is given one pulse of control device, the beginning that comes the start-up control device to detect, the state of runoff collecting pipe 2 is the abandoned stream state around here, when the amount of precipitation of first rainfall monitoring bucket coincide with the setting amount of precipitation, controller 1 is opened first electromagnetic valve 21 among Fig. 1 immediately, after this state of collecting pipe 2 is a collection status, after second water-level probe 7 detects the rainfall end signal, closes first electromagnetic valve 21 immediately, and opening second electromagnetic valve 44,5min closes automatically.
C. time amount of precipitation cooperation pattern, the device operational mode is the rainfall pattern in the 40min after rainfall begins, after rainfall duration surpassed 40min, device press temporal mode and is moved.
2. finely tune the amount of precipitation parameter function, by the ratio of Fig. 1 as can be known, first rainfall detects that water level rising 2.5cm represents that then actual amount of precipitation is 1mm in the bucket.As seen from Figure 6, first probe 6 can be that gear 82 carries out adjusting up and down by knob, and knob revolves and turns around, and probe 1 rises or decline 2.5cm, the i.e. actual amount of precipitation of 1mm.Regulate by knob, can change the detection position of first probe 6, regulate the function that detects the amount of precipitation parameter, thereby reached the purpose of fine setting amount of precipitation parameter thereby reach.This function has increased the regional adaptive capacity of this device, before device is installed, can regulate the height of probe 1 according to the concrete detection amount of precipitation parameter in this area.In addition, this knob can be by motor-driven, and motor links to each other with single-chip microcomputer again, then can come the rotation of control handle by controller, thereby reaches the height of regulating probe by controller, has made things convenient for the setting of amount of precipitation controlling parameter like this.
3. judge the whether same rainfall of two rain automatically.By the ratio of Fig. 1 as can be known, second rainfall detects bucket 5 and highly represents the actual amount of precipitation of 2mm with 25cm, and detecting the bucket bottom has an emptying pore.Calculate as can be known, the time of the actual rainfall emptying of 2mm is about 10min, and the actual rainfall emptying time of 1mm is about 7min, and the 0.5mm emptying time is about 4min.After if rainfall finishes, the second detection bucket water yield height is 25cm (the actual rainfall of 2mm), second water-level probe 7 is given control device with pulse signal behind 10min, receive behind the signal in the 5.83h, if second water-level probe, 7 pulse signals disappear, represent that then this rainfall does not finish as yet, control device is still followed one and is continued operation, and control device does not reset; If second water-level probe, 7 pulse signals do not disappear, then control device resets, and represents that this rainfall finishes.By 2mm, 1mm, 0.5mm rainfall more as can be known, maximum time error be 6min only, and 6min is insignificant for 6h, time error is minimum, precision is still higher.
Claims (5)
1, a kind of rainwater runoff control apparatus, comprise controller (1), runoff collecting pipe (2) and rainwater collection bucket (3), in described runoff collecting pipe (2), be provided with first electromagnetic valve (21) that is connected with controller (1), it is characterized in that: be provided with first rainwater in the lower end of described rainwater collection bucket (3) and detect bucket (4) and second rainwater monitoring bucket (5), in first rainwater monitoring bucket (4), be provided with first ball float (41), lower end at first rainwater monitoring bucket (4) offers first delivery port (42), upper end at rainwater monitoring bucket (4) offers first overfall (43), in second rainwater monitoring bucket (5), be provided with second ball float (51), lower end at second rainwater monitoring bucket (5) offers second delivery port (52), upper end at rainwater monitoring bucket (5) offers second overfall (53), detect first water-level probe (6) that also is provided with monitoring first ball float (41) position on the bucket (4) at first rainwater, detect second water-level probe (7) that also is provided with monitoring second ball float (51) position on the bucket (5) at second rainwater, and first water-level probe (6) and second water-level probe (7) are connected with controller (1) respectively.
2, rainwater runoff control apparatus according to claim 1 is characterized in that: also be provided with one second electromagnetic valve (44) at described first delivery port (42), this second electromagnetic valve (44) is connected with controller (1).
3, rainwater runoff control apparatus according to claim 1 is characterized in that: also be provided with an elevating mechanism (8) on described first rainwater monitoring bucket (4), described first water-level probe (5) is fixed on the movable original paper of this elevating mechanism (8).
4, rainwater runoff control apparatus according to claim 1 is characterized in that: described elevating mechanism (8) is a pinion and rack, and tooth bar (81) and first detects bucket (4) fixedlys connected, and described first water-level probe (5) is fixed on the gear (82).
5, rainwater runoff control apparatus according to claim 1, it is characterized in that: described controller (1) comprises host scm U1, digital display part, button and signal controlling part, outside rainfall water level signal collecting part and operating water level, time state LED shows and external electric magnet valve control section, amount of precipitation parameter and the interior rainfall of second rainfall detection bucket that outside rainfall water level signal collecting part is used to gather in first rainfall detection bucket begin to be transferred to host scm U1 with end signal, button and signal controlling part then are used to set control time parameter and the control amount of precipitation parameter in the host scm U1, analyze all kinds of operational factor states and then control operating water level by host scm U1 again, the demonstration of each LED of time state and the state of electromagnetic valve, digital display part are the demonstrations that is used for time set value and surplus value.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100224083A CN101319510B (en) | 2008-07-11 | 2008-07-11 | Rainwater runoff control apparatus |
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| CN2008100224083A CN101319510B (en) | 2008-07-11 | 2008-07-11 | Rainwater runoff control apparatus |
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Cited By (10)
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| CN101886409A (en) * | 2010-06-25 | 2010-11-17 | 同济大学 | Automatic initial rainwater draining device for vertical roof |
| CN102061720A (en) * | 2010-12-07 | 2011-05-18 | 杨敏 | Rainwater collecting device |
| CN102354180A (en) * | 2011-08-03 | 2012-02-15 | 交通运输部科学研究院 | Hazardous chemical leakage monitoring and emergency treatment system for sensitive water body bridge section |
| CN102493541A (en) * | 2011-12-13 | 2012-06-13 | 交通运输部公路科学研究所 | Control system of highway land-saving dangerous chemical reservoir |
| CN102680282A (en) * | 2012-05-15 | 2012-09-19 | 哈尔滨工程大学 | Automatic precipitation sampler |
| CN102943435A (en) * | 2012-12-03 | 2013-02-27 | 山东省交通规划设计院 | Rainwater bucket for urban bridge |
| CN105442690A (en) * | 2015-12-18 | 2016-03-30 | 北京建筑大学 | Pretreatment device and method for sinking road green belt |
| CN105507415A (en) * | 2015-12-31 | 2016-04-20 | 武汉圣禹排水系统有限公司 | Rainwater abandoning well with lifting-type shutoff rubber clack check valve |
| CN106013387A (en) * | 2016-05-28 | 2016-10-12 | 余乾 | Rainfall collecting device |
| CN109668601A (en) * | 2019-02-01 | 2019-04-23 | 中交第公路勘察设计研究院有限公司 | The collection measuring device of rainfall runoff flow |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101886409B (en) * | 2010-06-25 | 2012-03-21 | 同济大学 | Automatic initial rainwater draining device for vertical roof |
| CN101886409A (en) * | 2010-06-25 | 2010-11-17 | 同济大学 | Automatic initial rainwater draining device for vertical roof |
| CN102061720B (en) * | 2010-12-07 | 2012-10-10 | 杨敏 | Rainwater collecting device |
| CN102061720A (en) * | 2010-12-07 | 2011-05-18 | 杨敏 | Rainwater collecting device |
| CN102354180A (en) * | 2011-08-03 | 2012-02-15 | 交通运输部科学研究院 | Hazardous chemical leakage monitoring and emergency treatment system for sensitive water body bridge section |
| CN102354180B (en) * | 2011-08-03 | 2013-04-03 | 交通运输部科学研究院 | Hazardous chemical leakage monitoring and emergency treatment system for sensitive water body bridge section |
| CN102493541A (en) * | 2011-12-13 | 2012-06-13 | 交通运输部公路科学研究所 | Control system of highway land-saving dangerous chemical reservoir |
| CN102680282A (en) * | 2012-05-15 | 2012-09-19 | 哈尔滨工程大学 | Automatic precipitation sampler |
| CN102943435A (en) * | 2012-12-03 | 2013-02-27 | 山东省交通规划设计院 | Rainwater bucket for urban bridge |
| CN105442690A (en) * | 2015-12-18 | 2016-03-30 | 北京建筑大学 | Pretreatment device and method for sinking road green belt |
| CN105507415A (en) * | 2015-12-31 | 2016-04-20 | 武汉圣禹排水系统有限公司 | Rainwater abandoning well with lifting-type shutoff rubber clack check valve |
| CN106013387A (en) * | 2016-05-28 | 2016-10-12 | 余乾 | Rainfall collecting device |
| CN106013387B (en) * | 2016-05-28 | 2018-04-27 | 南京紫城工程设计有限公司 | A kind of precipitation converging device |
| CN109668601A (en) * | 2019-02-01 | 2019-04-23 | 中交第公路勘察设计研究院有限公司 | The collection measuring device of rainfall runoff flow |
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| CN101319510B (en) | 2010-07-28 |
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