CN203370670U - Rainfall simulating device - Google Patents
Rainfall simulating device Download PDFInfo
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- CN203370670U CN203370670U CN201320401459.3U CN201320401459U CN203370670U CN 203370670 U CN203370670 U CN 203370670U CN 201320401459 U CN201320401459 U CN 201320401459U CN 203370670 U CN203370670 U CN 203370670U
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- rainfall
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- simulator
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Abstract
Provided is a rainfall simulating device. The rainfall simulating device comprises a rainfall bench, a water pump, a water supply pipe, a rain gauge and a controller, wherein the rainfall bench is provided with rainfall simulating sprayers, the water supply pipe is respectively connected with the rainfall simulating sprayers and the water pump, the rain gauge is placed below the sprayers, the controller is connected with the rain gauge on one hand and is connected with the water pump on the other hand, the controller is connected with the rail gauge, expected rainfall and actual rainfall are compared, the simulated rainfall is made to approach the expected rainfall by adjusting the power of the water pump, and finally the simulated rainfall is made to be stable in the expected rainfall. In addition, the rainfall simulating device further comprises control ball valves, the opening degree of the control ball valves is adjusted through the controller so as to achieve fine adjustment on the simulated rainfall of the sprayers, and accordingly the approach precision is improved. The actual rainfall can be in accurate fit with the required rainfall by automatically controlling the rainfall in real time, and therefore experiments conducted under a rainfall environment are more stable, and the flexibility of the experiments is improved greatly.
Description
Technical field
The utility model relates to the simulated rain trails field, relates more specifically to a kind of rainfall simulator.
Background technology
The Wiper system such as aircraft, automobile etc. except in rain test, need to adopt artificial rain device carry out the simulating nature rainfall, with the research Wiper system, at different condition of raining, rain except ability.Described except the rain ability such as referring to that Wiper system guarantees the arranging etc. of ability, rain brush wiper speed of windshield definition under different condition of raining.If simulated rainfall is not true to nature, test can't be carried out in strict accordance with content and the requirement of regulation.
Known a kind of rainfall simulator in the prior art, this device adopts swing shower nozzle, at shower nozzle, waves in process, and great change can occur in the rainfall in each rainfall zone, and the simulated rainfall effect is very undesirable.
Known a kind of rainfall simulator again, each jet pipe is arranged in same plane in parallel to each other, be equipped with the shower nozzle of some and certain intervals on each jet pipe, simulate heavy rain, moderate rain or light rain by these shower nozzles simultaneously, but, because the shower nozzle aperture of shower nozzle is fixed, so can not change continuously rainfall, can only realize some discrete rainfall values, therefore, the effect of simulating nature rainfall is also barely satisfactory.
Further also known a kind of like this rainfall simulator, its rainfall shower nozzle is connected with high-pressure water pipe, is provided with the rainfall control valve on high-pressure water pipe.Specifically, on large rainfall, light rain amount high-pressure water pipe, be respectively equipped with corresponding large rainfall, light rain control valve, realize the rainfall of different rainfall to the size by effectively controlling rainfall, and make the rainfall in the rainfall zone even as far as possible.
Yet these rainfall simulators all can not be controlled in real time to rainfall, may and the rainfall of the desired generation of reality between notable difference is arranged.
The utility model content
The purpose of this utility model is to provide a kind of rainfall simulator, utilizes this rainfall simulator can produce the rain making that approaches natural precipitation, and can control in real time the rainfall of simulated rainfall by this rainfall simulator.
On the one hand, rainfall simulator of the present utility model comprises the rainfall stand, is provided with the simulated rainfall shower nozzle on the rainfall stand; Water pump, this water pump is for providing the water supply of certain pressure to the simulated rainfall shower nozzle; This rainfall simulator also comprises: supply channel, and this supply channel is connected with water pump with the simulated rainfall shower nozzle respectively; Rainfall gauge, this rainfall gauge is placed in simulated rainfall shower nozzle below, in order to measure actual rainfall; And controller, this controller is connected with rainfall gauge on the one hand, with water pump, be connected on the other hand, controller receives the actual rainfall value of described rainfall gauge feedback, and relatively expect the difference between rainfall and actual rainfall value, wherein, by the power of regulating the water pump be associated with controller, make Simulated rainfall approach the expectation rainfall, and finally be stabilized in the expectation rainfall.
Preferably, the support that rainfall gauge stretches out by the base level from the rainfall stand is fixedly connected to base.
Especially, supply channel comprises flexible pipe and steel pipe, and steel pipe is fixed on described stand, and is connected with the simulated rainfall shower nozzle, and flexible pipe is connected to described steel pipe and described water pump.
Preferably, the simulated rainfall shower nozzle has at least three kinds of different shower nozzle apertures, and by being used in combination these simulated rainfall shower nozzles, rainfall simulator can have the rainfall ability of 10mm/h to 620mm/h.
More preferably, the bottom of rainfall stand is equipped with roller, thereby can move freely.
Above-mentioned rainfall simulator also comprises the control ball valve, this control ball valve is arranged on the front end of simulated rainfall shower nozzle, the simulated rainfall shower nozzle is connected with supply channel via corresponding control ball valve, in addition, control ball valve and be connected with controller, controller is controlled the opening and closing of described simulated rainfall shower nozzle via the control ball valve according to required Simulated rainfall.
In addition, control the aperture of ball valve and also can be regulated by described controller, so that realize the Simulated rainfall of simulated rainfall shower nozzle is finely tuned, thereby approximation accuracy improved.
Particularly, controller progressively approaches described expectation rainfall by change step, and described step-length reduces along with the reducing of difference between actual rainfall and expectation rainfall.
In addition, also be provided with display on controller, described display can show described expectation rainfall and the actual rainfall recorded by described rainfall gauge.
The beneficial effect of utility model
By rainfall being carried out to automatically control in real time, can make actual rainfall accurately meet required rainfall, thereby guarantee that more stable and flexibility ratio test of the test of carrying out significantly improves under the rainfall environment, and then the conclusion reliability of the Performance Evaluation such as aircraft Wiper system etc. is played a very important role.
The accompanying drawing explanation
Fig. 1 illustrates the stereogram according to exemplary rainfall simulator of the present utility model.
The specific embodiment
Rainfall simulator of the present utility model comprises the mechanical device part, and this mechanical device partly comprises rainfall stand 10, supply channel 20 and simulated rainfall shower nozzle 40 etc.In addition, this mechanical device part preferably also comprises control ball valve 50.Rainfall stand 10 can be formed by the stainless steel tube overlap joint, and steadily of centre of gravity, be used for supporting and fix one or more simulated rainfall shower nozzles 40, to realize spraying simulated rainfall from for example 10m high-altitude.The bottom of rainfall stand 10 preferably is equipped with roller 12, can move freely as required rainfall simulator, so that realize the rainfall demand of zones of different.Preferably, the base of rainfall stand 10 is the boss shape, by fixing by clip such as 12 steel pipes.
Clearly visible in Fig. 1, rainfall stand 10 supporting supply channels 20, simulated rainfall shower nozzle 40 and control ball valve 50.Supply channel 20 can be comprised of two parts, and a part is flexible pipe 22, and a part is the hard tube such as steel pipe 24.Water supply steel pipe 24 is fixed on rainfall stand 10, and connect to control ball valve and simulated rainfall shower nozzle, and water supply hose 22 connects respectively water supply steel pipe 24 and water pump 60, thereby provides the water supply of certain pressure for the simulated rainfall shower nozzle.Arbitrary appropriate location in the loop of water pump 60 between can being arranged on from the water source to the flexible pipe.
In the embodiment shown in Fig. 1, preferably, the water supply steel pipe is arranged on the boss center, so that the rainfall stand is more stable.It is such as by four steel pipes, the two pairs of semicircular special parts, screw etc., being fixed on the boss center.The top of water supply steel pipe is connected with rainfall shower nozzle 40 with control ball valve 50, and bottom is connected with water supply hose 24.
Wait needs for rainfall being carried out control in real time to meet test, the rainfall simulator that rainfall of the present utility model is controlled in real time comprises rainfall gauge 70, controller 80 and related electric connector etc.As shown in fig. 1, the boss top can be by the fixing rainfall gauge 70 of the support that stretches out from the boss level, and certainly, rainfall gauge 70 also can be positioned on ground.This rainfall gauge 70 is connected with controller 80.Both connected modes can be that electric wiring connects, if or rainfall gauge 70 and controller 80 be respectively equipped with wireless communication module, also can connect by less radio-frequency.
In some cases, rainfall simulator is provided with a plurality of shower nozzles, for example amounts to eight rainfall shower nozzles, and each rainfall shower nozzle is connected with water supply steel pipe 22 by corresponding control ball valve 50 respectively, and controls the control of the controlled device 80 of ball valve 50.
As shown in fig. 1, rainfall gauge is measured current rainfall, and current rainfall value is fed back to controller.This controller receives the rainfall value that rainfall gauge is measured, and relatively the difference of rainfall desired value and current measurement value, by regulating rainfall, make it to approach this desired value, and finally be stabilized in desired value.Wherein, the rainfall of expectation can manually be inputted by input equipments such as display screens by testing crew.Although the rainfall of this expectation can pre-enter controller, also can, in rainfall, change in real time the rainfall desired value.Under latter event, controller can compare the difference of actual value and desired value again, and rationally regulates, until actual value is approached desired value, and finally is stabilized in desired value.
Above-mentioned rainfall simulator is mainly regulated rainfall according to the instruction of controller 80 by the power of automatic adjusting water pump 60, makes it to approach setting value.The mode of approaching can adopt various ways, for example variable step size.At this, step-length refers to the rainfall size that controller is regulated according to udometric feedback single, and namely the controller single provides the increment of water pump or control ball valve.That is, when the difference between expectation rainfall and actual rainfall is larger, step-length is larger, and when difference hour, also reduce step size, thereby make adjusting more accurate in the situation that guarantee to regulate efficiency.But the mode of approaching is not limited to above-mentioned form, can also adjust flexibly according to both differences of controller comparison, for example with high order curve, approach the expectation rainfall.
In most of the cases, carried out the keying number of adjusting control ball valve by controller, namely determine that how many shower nozzles spray rainwater simultaneously.Can provide uniform simulated rainfall by simulated rainfall shower nozzle of the present utility model, for example 8 (minute 3 kinds of different shower nozzle aperture/models) simulated rainfall shower nozzles can have the rainfall ability of 10mm/h to 620mm/h by combination, can control in real time rainfall, easy to operate.It should be noted that, shower nozzle may have one or more holes, at this different apertures refer to the aperture summation of porose (if having a plurality of).Usually, the aperture in each hole in same shower nozzle is consistent.But the structure of shower nozzle is not limited to this, as long as it is identical to meet the aperture summation of shower nozzle of same type.
For instance, suppose that 8 simulated rainfall shower nozzles are divided into 3 types, that is, the rainfall scope of No. 1 shower nozzle is at 10mm/h～30mm/h; The rainfall scope of No. 2 shower nozzles is at 20mm/h～50mm/h; The rainfall scope of No. 3 shower nozzles is at 50mm/h～90mm/h.When desired value is 150mm/h, can realize with No. 1, No. 2 and each, No. 3 shower nozzles.These two shower nozzles of No. 3 larger with adopting shower nozzle rainfall scope realize that 150mm/h compares, and degree of regulation is relatively higher.Again for example, when desired value is 620mm/h, use whole eight shower nozzles (be for example 1 No. 1,1 No. 2,6 No. 3).
In addition, as mentioned above, in order more accurately to control rainfall and to raise the efficiency, consider the adjusting of combination water pump 60 and control ball valve 50.At first, suitably for example select certain simulated rainfall shower nozzle 40(, in existing three kinds of sizes, in different shower nozzle, selected), then, when step-length is larger, mainly by regulating water pump 60, complete adjusting, step-length hour, while approaching the value of setting in advance, aperture by adjusting control ball valve is finely tuned rainfall, thereby improves approximation accuracy, and the inefficiency of avoiding overshoot to bring.
When needs change rainfall, only need on controller, for example by the input equipment of touch-screen and so on, input the rainfall value, controller will readjust the power of water pump or control keying degree and/or the number of ball valve.For example, after one period short period of all 5s according to appointment, in whole system, rainfall will be stabilized to desirable value.
In addition, for the ease of the testing crew operation, on the boss of rainfall stand, ladder can be installed, be convenient to them and stand in boss top installation water supply steel pipe.
Be considered at present preferred embodiment of the present invention although illustrate and described, one skilled in the art should appreciate that benefiting from the present invention can carry out various additional changes and change, and do not depart from the scope of the present invention limited by described claims.
Claims (9)
1. a rainfall simulator, described rainfall simulator comprises: rainfall stand (10) is provided with simulated rainfall shower nozzle (40) on described rainfall stand (10); Water pump (60), described water pump (60) is for providing the water supply of certain pressure to described simulated rainfall shower nozzle (40); It is characterized in that, described rainfall simulator also comprises:
Supply channel (20), described supply channel (20) is connected with described water pump (60) with described simulated rainfall shower nozzle (40) respectively;
Rainfall gauge (70), described rainfall gauge (70) is placed in described simulated rainfall shower nozzle (40) below, in order to measure actual rainfall; And
Controller (80), described controller (80) is connected with described rainfall gauge (70) on the one hand, with described water pump (60), be connected on the other hand, described controller (80) receives the described actual rainfall value of described rainfall gauge (70) feedback, and relatively expect the difference between rainfall and described actual rainfall value, wherein, by the power of regulating the described water pump (60) be associated with described controller (80), make actual rainfall value approach described expectation rainfall, and finally be stabilized in described expectation rainfall.
2. rainfall simulator as claimed in claim 1, is characterized in that, the support that described rainfall gauge (70) stretches out by the base level from described rainfall stand (10) is fixedly connected to described base.
3. rainfall simulator as claimed in claim 1, it is characterized in that, described supply channel (20) comprises flexible pipe (22) and steel pipe (24), described steel pipe (24) is fixed on described stand, and be connected with described simulated rainfall shower nozzle (40), and described flexible pipe (22) is connected to described steel pipe (24) and described water pump (60).
4. rainfall simulator as claimed in claim 1, is characterized in that, has dissimilar shower nozzle (40), the shower nozzle aperture difference of dissimilar shower nozzle, the different rainfall ability that can provide; By being used in combination these simulated rainfall shower nozzles (40), described rainfall simulator can have the rainfall ability of 10mm/h to 620mm/h.
5. rainfall simulator as claimed in claim 1, is characterized in that, the bottom of described rainfall stand (10) is equipped with roller (12), thereby can move freely.
6. rainfall simulator as claimed in claim 1, it is characterized in that, also comprise and control ball valve (50), described control ball valve (50) is arranged on the front end of described simulated rainfall shower nozzle (40), described simulated rainfall shower nozzle (40) is connected with described supply channel (20) via corresponding control ball valve (50), wherein, described control ball valve (50) is connected with described controller (80), and described controller (80) is controlled the opening and closing of described simulated rainfall shower nozzle (40) via described control ball valve (50) according to required Simulated rainfall.
7. rainfall simulator as claimed in claim 1, it is characterized in that, also comprise and control ball valve (50), described control ball valve (50) is arranged on the front end of described simulated rainfall shower nozzle (40), described simulated rainfall shower nozzle (40) is connected with described supply channel (20) via corresponding control ball valve (50), wherein, described control ball valve (50) is connected with described controller (80), the aperture of described control ball valve (50) can be regulated by described controller (80), so that realize the Simulated rainfall of described simulated rainfall shower nozzle (40) is finely tuned, thereby raising approximation accuracy.
8. rainfall simulator as claimed in claim 1, is characterized in that, described controller (80) progressively approaches described expectation rainfall by change step, and described step-length reduces along with the reducing of difference between actual rainfall and described expectation rainfall.
9. rainfall simulator as claimed in claim 1, is characterized in that, described controller (80) is provided with display, and described display can show described expectation rainfall and by described actual rainfall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320401459.3U CN203370670U (en) | 2013-07-05 | 2013-07-05 | Rainfall simulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320401459.3U CN203370670U (en) | 2013-07-05 | 2013-07-05 | Rainfall simulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203370670U true CN203370670U (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320401459.3U Expired - Lifetime CN203370670U (en) | 2013-07-05 | 2013-07-05 | Rainfall simulating device |
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| CN (1) | CN203370670U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104335859A (en) * | 2014-11-13 | 2015-02-11 | 贾明忠 | Method and system for simulating rainfall in residential district |
| CN104502563A (en) * | 2014-12-22 | 2015-04-08 | 泉州师范学院 | Rainfall type landslide disaster simulation test system |
| CN105911906A (en) * | 2016-04-14 | 2016-08-31 | 河南大学 | Logic circuit for controlling rainfall intensity of rainfall hall area |
| CN106996852A (en) * | 2017-04-20 | 2017-08-01 | 苏州科技大学 | Salt fog test system |
| CN107764977A (en) * | 2017-11-06 | 2018-03-06 | 王攀峰 | A kind of artificial rain simulating device for debris flow testing |
| CN112764131A (en) * | 2020-12-28 | 2021-05-07 | 天津三电汽车空调有限公司 | Test method for rainfall calibration |
| CN113945999A (en) * | 2021-10-26 | 2022-01-18 | 安徽省大气探测技术保障中心 | Analog detection device and metering method for optical rainfall sensor |
-
2013
- 2013-07-05 CN CN201320401459.3U patent/CN203370670U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104335859A (en) * | 2014-11-13 | 2015-02-11 | 贾明忠 | Method and system for simulating rainfall in residential district |
| CN104502563A (en) * | 2014-12-22 | 2015-04-08 | 泉州师范学院 | Rainfall type landslide disaster simulation test system |
| CN105911906A (en) * | 2016-04-14 | 2016-08-31 | 河南大学 | Logic circuit for controlling rainfall intensity of rainfall hall area |
| CN105911906B (en) * | 2016-04-14 | 2018-07-10 | 河南大学 | A kind of logic circuit for being used to control rainfall hall face rainfall intensity |
| CN106996852A (en) * | 2017-04-20 | 2017-08-01 | 苏州科技大学 | Salt fog test system |
| CN107764977A (en) * | 2017-11-06 | 2018-03-06 | 王攀峰 | A kind of artificial rain simulating device for debris flow testing |
| CN112764131A (en) * | 2020-12-28 | 2021-05-07 | 天津三电汽车空调有限公司 | Test method for rainfall calibration |
| CN113945999A (en) * | 2021-10-26 | 2022-01-18 | 安徽省大气探测技术保障中心 | Analog detection device and metering method for optical rainfall sensor |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140101 |