CN208654157U - Rainfall simulator - Google Patents

Rainfall simulator Download PDF

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Publication number
CN208654157U
CN208654157U CN201821372612.3U CN201821372612U CN208654157U CN 208654157 U CN208654157 U CN 208654157U CN 201821372612 U CN201821372612 U CN 201821372612U CN 208654157 U CN208654157 U CN 208654157U
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CN
China
Prior art keywords
simulator
panel
platform
runoff
adjuster
Prior art date
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.)
Expired - Fee Related
Application number
CN201821372612.3U
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Chinese (zh)
Inventor
初磊
燕超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Forestry University
Original Assignee
Nanjing Forestry University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanjing Forestry University filed Critical Nanjing Forestry University
Priority to CN201821372612.3U priority Critical patent/CN208654157U/en
Application granted granted Critical
Publication of CN208654157U publication Critical patent/CN208654157U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of rainfall simulators, it is related to soil erosion experimental provision technical field, including platform, water system, runoff slot simulator, spray head and measuring appliance, water system is set to the top of platform, and it is connected with spray head, the first adjuster is provided with below runoff slot simulator, first adjuster is arranged to the gradient of regulated flow slot simulator, the second adjuster is provided with above runoff slot simulator, second adjuster is arranged to regulated flow slot simulator and is projected as fixed value in platform, measuring appliance is connected with runoff slot simulator is arranged to measure the gradient of runoff slot simulator, the device, which can be realized, tests the diameter chute of different gradient, control variable is carried out to projected area, reduce influence of remaining factor to measurement data, the numerical value for reading measuring appliance is recorded, complete experiment, so that measurement number According to more accurate.

Description

Rainfall simulator
Technical field
The utility model relates to soil erosion experimental provision technical fields, and in particular to a kind of rainfall simulator.
Background technique
Rainfall simulator is the apparatus for carrying out rain making, simulates different natural conditions with rainfall simulator Under rainfall, observe the test method of the soil erosion and the process of runoff and sediment production under different condition of raining, to agrology study, soil Earth, which is corroded, is made that great contribution with the research etc. of water and soil conservation, such as when with rainfall simulator research runoff, can be real The similarity of existing different raininess, the different artificially-simulated rainfall processes lasted, experimental result and natural rainfall is high and whole A rainfall can have many advantages, such as time-consuming short, high-efficient, easy to control and adaptable by manual control.Meanwhile it and can be with According to test objective, the combination of different tests conditional aspect is carried out, obtains and is not easy or is difficult to the data observed under natural endowment.
Mainly pass through water pump is delivered to spray head for water with certain pressure to existing rainfall simulator, and it is existing to apply to field The area of rainfall cannot be changed when field, and mainly provide power with electric power.Because field condition is complicated, we generally require root It needs to have the presence of remaining variables during change to change the rain area of rainer, cause according to different scenes Measurement data fluctuation is larger, influences the accuracy of measurement data.
Utility model content
The utility model embodiment is designed to provide a kind of rainfall simulator, simulates in the prior art to solve The problems such as measurement data fluctuation that rainer is obtained is larger, influences the accuracy of measurement data.
To achieve the above object, a kind of rainfall simulator provided by the embodiment of the utility model, including platform, for water system System, runoff slot simulator, spray head and measuring appliance;
The water system is set to the top of the platform, and is connected with the spray head;
It is provided with the first adjuster below the runoff slot simulator, first adjuster is arranged to adjust the runoff The gradient of slot simulator;
It is provided with the second adjuster above the runoff slot simulator, second adjuster is arranged to adjust the runoff Slot simulator is projected as fixed value the platform;
The measuring appliance is connected with the runoff slot simulator is arranged to measure the gradient of the runoff slot simulator.
Further, the runoff slot simulator includes first panel, second panel and third panel;
The first panel, the second panel and the third panel are connected, and to form receiving for placing soil empty Between;
One end of the first panel is supported on the platform, is provided with first adjuster below the other end;
Second adjuster is slidably connected and is arranged to the first panel, the second panel and the third panel The second panel is set to be projected as fixed value in the platform.
Further, one end that the measuring appliance is set to that the first panel is in contact with the platform is arranged to measure Angle between the first panel and the platform.
Further, scale is provided on the first panel, the second panel and the third panel.
Further, the water system includes bracket, water supply pipe and water pump;
The bracket is set to above the platform;
The water supply pipe side of being arranged on the bracket is connected with the spray head;
The water pump is arranged to provide water to the spray head.
The utility model embodiment has the beneficial effect that
It is set to the top of platform including platform, water system, runoff slot simulator, spray head and measuring appliance, water system, And be connected with spray head, it is provided with the first adjuster below runoff slot simulator, the first adjuster is arranged to regulated flow channel mould The gradient of quasi- device, runoff slot simulator top are provided with the second adjuster, and the second adjuster is arranged to regulated flow slot simulator In the fixed value that is projected as of platform, measuring appliance is connected with runoff slot simulator is arranged to measure the gradient of runoff slot simulator, The device, which can be realized, tests the diameter chute of different gradient, carries out control variable to projected area, reduces remaining factor pair The influence of measurement data, the numerical value for reading measuring appliance are recorded, and experiment are completed, so that measurement data is more accurate.
Detailed description of the invention
Fig. 1 is the schematic perspective view of rainfall simulator provided by the utility model.
Icon: 1- platform;2- water system;3- runoff slot simulator;4- spray head;5- measuring appliance;The first adjuster of 6-;7- Second adjuster;21- bracket;22- water supply pipe;23- water pump;31- scale.
Specific embodiment
The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.
As shown in Figure 1, a kind of rainfall simulator provided in this embodiment, including platform 1, water system 2, runoff channel mould Quasi- device 3, spray head 4 and measuring appliance 5;
The water system 2 is set to the top of the platform 1, and is connected with the spray head 4;
The first adjuster 6 is provided with below the runoff slot simulator 3, first adjuster 6 is arranged to described in adjusting The gradient of runoff slot simulator 3;
The second adjuster 7 is provided with above the runoff slot simulator 3, second adjuster 7 is arranged to described in adjusting Runoff slot simulator 3 is projected as fixed value the platform 1;
The measuring appliance 5 is connected with the runoff slot simulator 3 is arranged to measure the slope of the runoff slot simulator 3 Degree.
The rainfall simulator, which can be realized, tests the diameter chute of different gradient, carries out control change to projected area Amount reduces influence of remaining factor to measurement data, and the numerical value for reading measuring appliance 5 is recorded, and completes experiment, so that measurement number According to more accurate.
There are two types of ways of carrying out for experiment:
The first is the measurement data for obtaining different gradient value, and value of slope is as variable, the projection of diameter chute on the platform 1 Area is fixed value: setting a certain value of slope for runoff slot simulator 3, opens water system 2 to spray head 4 and supply water formation manually Rainfall is tested, and the soil erosion and the process of runoff and sediment production dependency number of the data at this time of measuring appliance 5 and diameter chute are recorded According to measuring projected area at this time, a length of L, width M, the value S of fixed-area are LM, and opening the first adjuster 6 increases value of slope Or reduce, by 5 measurement angle α of measuring appliance, by calculating the length K of runoff slot simulator 3, the i.e. position of the second adjuster 7, The second adjuster of K=L/cos α 7 moves on runoff slot simulator 3, and the runoff slot simulator 3 after changing value of slope is in platform Projected area on 1 is as before, then opens water system 2 and form rain making to the water supply of spray head 4 and tested, and records The soil erosion and the process of runoff and sediment production related data of the data at this time of measuring appliance 5 and diameter chute.
Second is the measurement data for obtaining different rainfall intensities, and as variable, value of slope is fixed value in the aperture of spray head 4 I.e. runoff slot simulator 3 is fixed value in the projected area of platform 1, sets a certain value of slope for runoff slot simulator 3, opens Water system 2 forms rain making and is tested to the water supply of spray head 4, records the soil of the data at this time of measuring appliance 5 and diameter chute Earth corrodes and the process of runoff and sediment production related data, keeps value of slope constant, the spray head 4 for replacing different pore size carries out data again Measurement.
Please continue to refer to Fig. 1, wherein first adjuster 6 can be hydraulic cylinder, pneumatic cylinder, electric pushrod or ball wire Thick stick.
In this embodiment, the first adjuster 6 has multiple choices, can reach height adjustment, is not limited to above-mentioned Set-up mode.
Please continue to refer to Fig. 1, wherein the runoff slot simulator 3 includes first panel, second panel and third panel;
The first panel, the second panel and the third panel are connected, and to form receiving for placing soil empty Between;
One end of the first panel is against on the platform 1, is provided with first adjuster 6 below the other end;
Second adjuster 7 and the first panel, the second panel and the third panel are slidably connected setting At making the second panel be projected as fixed value in the platform 1.
Further, scale 31 is provided on the first panel, the second panel and the third panel.
In this embodiment, first panel, second panel and third panel surround accommodation space, fill in the accommodation space Soil under full Simulated Soil natural situation, is provided with scale 31 on first panel, second panel and third panel, and second Adjuster 7 is aligned with three scales 31 respectively when sliding changes projected area, guarantees the accuracy of measurement data.
Please continue to refer to Fig. 1, wherein the measuring appliance 5 is set to one that the first panel is in contact with the platform 1 End is arranged to measure the angle between the first panel and the platform 1.
Further, measuring appliance 5 is angel measuring instrument.
In this embodiment, as origin, platform 1 is used as a line, the first face for the one end contacted using first panel with platform 1 The numerical value for the angle that plate is formed by as another a line, angel measuring instrument measurement first panel and platform 1.
Please continue to refer to Fig. 1, wherein the water system 2 includes bracket 21, water supply pipe 22 and water pump 23;
The bracket 21 is set to 1 top of platform;
The water supply pipe 22 is set to 21 top of bracket and is connected with the spray head 4;
The water pump 23 is arranged to provide water to the spray head 4.
Further, spray head 4 is set as different pore size.
Further, flowmeter is provided at spray head 4.
In this embodiment, the combination of the spray head 4 of different pore size can obtain the drop of different rainfall intensities and raindrop size Rain can obtain the water that spray head 4 is sprayed by flowmeter, convenient to analyze measurement data.
Although above having made detailed description to the utility model with generality explanation and specific embodiment, On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art 's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want Seek the range of protection.

Claims (5)

1. a kind of rainfall simulator, which is characterized in that including platform, water system, runoff slot simulator, spray head and measurement Device;
The water system is set to the top of the platform, and is connected with the spray head;
It is provided with the first adjuster below the runoff slot simulator, first adjuster is arranged to adjust the runoff channel mould The gradient of quasi- device;
It is provided with the second adjuster above the runoff slot simulator, second adjuster is arranged to adjust the runoff channel mould Quasi- device is projected as fixed value in the platform;
The measuring appliance is connected with the runoff slot simulator is arranged to measure the gradient of the runoff slot simulator.
2. rainfall simulator according to claim 1, which is characterized in that the runoff slot simulator includes the first face Plate, second panel and third panel;
The first panel, the second panel and the third panel are connected the accommodation space to be formed for placing soil;
One end of the first panel is supported on the platform, is provided with first adjuster below the other end;
Second adjuster and the first panel, the second panel and the third panel are slidably connected and are arranged to make institute It states second panel and is projected as fixed value in the platform.
3. rainfall simulator according to claim 2, which is characterized in that the measuring appliance is set to the first panel The one end being in contact with the platform is arranged to measure the angle between the first panel and the platform.
4. rainfall simulator according to claim 2, which is characterized in that the first panel, the second panel and Scale is provided on the third panel.
5. rainfall simulator according to claim 1, which is characterized in that the water system includes bracket, water supplying pipe Road and water pump;
The bracket is set to above the platform;
The water supply pipe side of being arranged on the bracket is connected with the spray head;
The water pump is arranged to provide water to the spray head.
CN201821372612.3U 2018-08-23 2018-08-23 Rainfall simulator Expired - Fee Related CN208654157U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821372612.3U CN208654157U (en) 2018-08-23 2018-08-23 Rainfall simulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821372612.3U CN208654157U (en) 2018-08-23 2018-08-23 Rainfall simulator

Publications (1)

Publication Number Publication Date
CN208654157U true CN208654157U (en) 2019-03-26

Family

ID=65791128

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821372612.3U Expired - Fee Related CN208654157U (en) 2018-08-23 2018-08-23 Rainfall simulator

Country Status (1)

Country Link
CN (1) CN208654157U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110095383A (en) * 2019-04-08 2019-08-06 西安理工大学 A kind of device carrying out slope runoff and interflow motion analysis for simulated rainfall
CN114199727A (en) * 2021-12-09 2022-03-18 河海大学 Rainfall simulation device for separating runoff from raindrop splashing and experimental method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110095383A (en) * 2019-04-08 2019-08-06 西安理工大学 A kind of device carrying out slope runoff and interflow motion analysis for simulated rainfall
CN114199727A (en) * 2021-12-09 2022-03-18 河海大学 Rainfall simulation device for separating runoff from raindrop splashing and experimental method

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Assignee: Nanjing Shibai Environmental Engineering Co.,Ltd.

Assignor: Nanjing Forestry University

Contract record no.: X2019320000080

Denomination of utility model: Portable artificial rainfall simulation device

Granted publication date: 20190326

License type: Common License

Record date: 20190925

Assignee: Jiangsu linzhilvjiang Environmental Protection Technology Co.,Ltd.

Assignor: Nanjing Forestry University

Contract record no.: X2019320000078

Denomination of utility model: Portable artificial rainfall simulation device

Granted publication date: 20190326

License type: Common License

Record date: 20190925

Assignee: Jiangsu Hanying Environmental Protection Technology Co.,Ltd.

Assignor: Nanjing Forestry University

Contract record no.: X2019320000079

Denomination of utility model: Portable artificial rainfall simulation device

Granted publication date: 20190326

License type: Common License

Record date: 20190925

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190326

Termination date: 20210823