CN106595784A - Simple metering device for foundation pit displacement - Google Patents
Simple metering device for foundation pit displacement Download PDFInfo
- Publication number
- CN106595784A CN106595784A CN201611216445.9A CN201611216445A CN106595784A CN 106595784 A CN106595784 A CN 106595784A CN 201611216445 A CN201611216445 A CN 201611216445A CN 106595784 A CN106595784 A CN 106595784A
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- Prior art keywords
- weir
- triangular
- water
- steady
- liquid level
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Thermal Sciences (AREA)
- Sewage (AREA)
Abstract
The invention discloses a simple metering device for foundation pit displacement. The device comprises a pre-weir water stabilizing segment and a triangular weir. The tail end of the pre-weir water stabilizing segment is connected with the water inlet of the triangular weir. The lowest point of the triangular weir is higher than the bottom surface of the pre-weir water stabilizing segment. The pre-weir water stabilizing segment comprises a wall body, a water control valve, and a water stabilizing net. The triangular weir comprises a triangular weir plate, a liquid level sensor support, a liquid level sensor, a waterproof photoelectric sensor, a data processing device, and a power supply. The liquid level sensor and the waterproof photoelectric sensor are connected with the data processing device. The data processing device is connected with the power supply. The device can effectively deposit sediment in running water, and stabilize stream, and make level of water which enters the triangular weir used to measure water flow controllable, preventing water level in the triangular weir to be excessive, and the device can monitor whether the triangular weir has sludge.
Description
Technical field
The present invention relates to the field of measuring technique of drain discharge, more particularly to a kind of drainage of foundation pit amount Simple measuring dress
Put.
Background technology
At present, in building and the engineering site work progress such as subway, due to the formation condition that has or technologic reason
Subsoil water spilling is had, a large amount of hydrops of accumulation in the foundation ditch of engineering are caused, needs to drain in time.Sent out according to the Ministry of Finance, country and changed
Entrust, live to build portion《With regard to printing and distributing<Sewage disposal fee collecting uses management method>Notice》(property tax [2014] 151) the 11st
Bar specifies, metering is carried out to construction temporary drainage, foundation ditch sewer drainage and imposes sewage disposal expense.Tianjin, Kunming, Xuchang etc.
Have begun to impose, the ground such as Chengdu, Shenyang has been put into effect and related has imposed regulation.During actual collection, Jiao of both sides is collected
Point concentrates on displacement measurement problem：One is that construction drainage, foundation ditch sewer drainage sediment charge are big, cause metering device blocking,
Instrument is damaged；Two be building site displacement as engineering progress is changed greatly, the draining of part building site can be from the drop of hundreds of side per hour
To the even several sides of more than ten sides per hour, larger metering water meter range is needed；Three is the meterings such as the conventional electromagnetic flowmeter in building site
Equipment cost is high, and an electromagnetic flowmeter is thousand of at least, and at most ten is tens of thousands of；Four is that maintenance management difficulty is big.Building site environment is poor, people
Member's flow is big, and lacks special maintenance personnel.To sum up, building site to measuring equipment with greater need for be a kind of low cost, automatization, dimension
Protect convenient measuring equipment.In practical implementation, metering water meter is not installed in most of building sites, and only several building site drainings are installed
Metering facility, but because subsoil water sediment charge is larger, metering water meter is installed and is easily blocked, cannot use substantially.
The method process is simple of discharge is measured using triangular-notch weir, invests relatively low, therefore, triangular-notch weir measures the side of discharge
Method has been widely used in many fields, including sewage disposal, hydrology rainfall and rainwash etc..But currently use
The method of the triangular-notch weir measurement water yield there is a problem of certain, and sediment charge is larger in drainage of foundation pit, and quantity of sand and mud is big or draining
Flow instability can all affect triangular-notch weir to measure the accuracy of the water yield.
In sum, how to solve in drainage of foundation pit that quantity of sand and mud in effective metering of the water yield and water is big, draining current are unstable
How fixed problem, make construction party and manager to approve using a kind of metering method, becomes those skilled in the art urgently
Problem to be solved.
The content of the invention
It is an object of the invention to provide a kind of drainage of foundation pit amount Simple measuring device, to solve what above-mentioned prior art was present
Problem.
For achieving the above object, the invention provides following scheme：The invention provides a kind of drainage of foundation pit amount is simply counted
Steady water section and triangular-notch weir before amount device, including weir, the end of steady water section connects the water inlet of the triangular-notch weir before the weir, described
Bottom surface of the minimum point of triangular-notch weir higher than steady water section before the weir；Steady water section includes body of wall, water control valve and steady water before the weir
Net, the steady network of rivers is arranged far from one end of the triangular-notch weir, and the steady network of rivers is removably disposed on the body of wall, institute
State one end that water control valve is positioned close to the triangular-notch weir；The triangular-notch weir includes triangle weir plate, liquid level sensor support, liquid
Level sensor, waterproof photovoltaic sensor, data processing equipment and power supply, the waterproof photovoltaic sensor is arranged on the triangular-notch weir
The minimum point of the water inlet of the triangle weir notch of plate composition, the liquid level sensor support is fixed on the triangular-notch weir, described
Liquid level sensor is arranged on the liquid level sensor support, the liquid level sensor and the waterproof photovoltaic sensor with it is described
Data processing equipment connects, and the data processing equipment is connected with the power supply.Data processing equipment output flow result is to pipe
Reason square tube platform.
Preferably, locating wheel, the body of wall are installed on two lateral frames that the steady network of rivers contacts with the body of wall
The installation site in the upper correspondence steady network of rivers is provided with slide rail, the locating wheel in the steady network of rivers slip in the slide rail realize it is described
The installation in the steady network of rivers.
Preferably, the steady network of rivers is steel wire.
Preferably, the material of the triangle weir plate is PVC, glass steel or stainless steel.
Preferably, the liquid level sensor is ultrasonic liquid level sensor.
Preferably, the power supply is solaode.
The present invention achieves following technique effect relative to prior art：
The present invention can not only effectively precipitate the silt in flowing water by arranging the steady network of rivers before triangular-notch weir, moreover it is possible to stable water
Stream.Water control valve is set before triangular-notch weir, makes the water level into the triangular-notch weir for measuring discharge controllable, triangular-notch weir is made in measurement process
In current all the time in triangular-notch weir measurement effective range in, prevent water level in triangular-notch weir too high.The minimum point of triangular-notch weir is high
The structure design of the bottom surface of steady water section before weir, further plays barrier effect to the silt in flowing water in lower floor.In triangle
Whether the minimum point of the water inlet of the triangle weir notch of weir plate composition arranges waterproof photovoltaic sensor, can be in real-time monitoring triangular-notch weir
With the presence of the situation of mud.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing that needs are used is briefly described, it should be apparent that, drawings in the following description are only some enforcements of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can be with according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of structural representation of angle of drainage of foundation pit amount Simple measuring device of the present invention；
Fig. 2 is the cross section structure diagram of the drainage of foundation pit amount Simple measuring device along triangular-notch weir centrage of the present invention；
Fig. 3 is the steady network of rivers structural representation of the drainage of foundation pit amount Simple measuring device of the present invention；
Fig. 4 is the skid rail structure diagram of the drainage of foundation pit amount Simple measuring device of the present invention；
Fig. 5 is a kind of structural representation of angle of the drainage of foundation pit amount Simple measuring device triangular-notch weir of the present invention.
Wherein, 1 is the steady network of rivers, and 2 is slide rail, and 3 is water control valve, and 4 is body of wall, and 5 is triangular-notch weir, and 6 are liquid level sensor
Frame, 7 is liquid level sensor, and 8 is data processing equipment, and 9 is power supply, and 10 is waterproof photovoltaic sensor, and 11 is triangle weir plate, and 12 are
Locating wheel.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
It is understandable to enable the above objects, features and advantages of the present invention to become apparent from, it is below in conjunction with the accompanying drawings and concrete real
The present invention is further detailed explanation to apply mode.
As shown in Figure 1 to 4, the invention provides a kind of drainage of foundation pit amount Simple measuring device, including steady water section before weir
With triangular-notch weir 5, the end of steady water section connects the water inlet of triangular-notch weir 5 before weir, and the minimum point of triangular-notch weir 5 is higher than steady water section before weir
Bottom surface, forms a step for having difference in height, to depositing into the silt in the water in triangular-notch weir 5.Triangular-notch weir 5 sets
Put in body of wall 4.Steady water section includes body of wall 4, water control valve 3 and the steady network of rivers 1 before weir, and the steady network of rivers 1 is arranged far from triangular-notch weir 5
One end, is provided with 2 locating wheels 12 on each lateral frame that the steady network of rivers 1 contacts with body of wall 4, the steady network of rivers 1 of correspondence on body of wall 4
Installation site is provided with slide rail 2, and slide rail 2 is fixed on body of wall 4, and the locating wheel 12 in the steady network of rivers 1 can slide in slide rail 2, realize
The installation in the steady network of rivers 1 and dismounting.The steady network of rivers 1 is steel wire.The setting in the steady network of rivers 1, can not only effectively precipitate the silt in flowing water,
Water level fluctuation, stationary flow can also be reduced.The steady network of rivers 1 is removably disposed on body of wall 4 so that when the steady network of rivers during use
When deposition has more soil and impurity on 1, convenient along slide rail 2 extract the steady network of rivers 1 out is cleaned, again by the steady network of rivers after cleaning
1 is placed in slide rail 2 and is continuing with.2～3 grades of steady networks of rivers 1 can be set as needed, and mesh diameter reduces step by step.
Water control valve 3 is positioned close to water inlet one end of triangular-notch weir 5, and water control valve 3 is using control or electronic manually
Control.Water control valve 3 is set before triangular-notch weir 5, makes the water level into the triangular-notch weir 5 for measuring discharge controllable, it is ensured that measurement process
In current in intermediate cam weir 5 effective range all the time in triangular-notch weir measurement, prevent that water level in triangular-notch weir is too high to diffuse out triangle
Weir 5.
Triangular-notch weir 5 includes triangle weir plate 11, liquid level sensor support 6, liquid level sensor 7, waterproof photovoltaic sensor 10, number
According to processing meanss 8 and power supply 9.Power supply 9 adopts solaode, can solve the problems, such as job site energy starved, and drops
The low noise pollution caused using other power supplys.Triangle weir plate 11 is embedded in the size of the part of body of wall 4 according to field condition
It is fixed.
Waterproof photovoltaic sensor 10 is arranged on the minimum point of the water inlet of the triangle weir notch of triangle weir plate composition, itself and number
Connect according to processing meanss 8, data processing equipment 8 is connected with power supply 9.When the mud precipitated in the flowing water for flowing into triangle weir notch is covered
During waterproof photovoltaic sensor 10, the warning system in data processing equipment 8 is reported to the police, and reminds staff to clear up excessive sedimentary clay
Sand, prevents the silt for depositing from entering in triangle weir notch the certainty of measurement for affecting the water yield.
Liquid level sensor support 6 is fixed on triangular-notch weir 5, and liquid level sensor 7 is arranged on liquid level sensor support 6, liquid
Level sensor 7 is ultrasonic liquid level sensor, and liquid level sensor 7 is arranged on the position of the outlet upstream of triangular-notch weir 5.Liquid level is passed
Sensor 7 is connected with data processing equipment 8, and data processing equipment 8 is connected with power supply 9.Data processing equipment 8 is shown in triangle weir notch
Water level and the water yield.Data processing equipment output flow result is to manager's management platform.
The length of triangle weir plate 11 should be greater than 7 times of weir head, and less than 10 times, material must assure that non-corrosive and corrosion resistant
Erosion, can select PVC, fiberglass or stainless steel.The plate face of triangle weir plate 11 will ensure smooth, smooth, distortionless.If
Discharge in triangle weir notch is bigger, needs the corresponding wall thickness for increasing triangle weir plate 11.The measurement flowing water of the composition of triangle weir plate 11
The angle β of the triangle weir notch of amount is 90 °.The triangle weir notch of the composition of triangle weir plate 11 is firm, is unlikely to deform, otherwise discharge
Measurement can produce error.
As shown in figure 5,90 ° of triangle weir notch water ga(u)ges calculate formula being：
Q=ch5/2
Q in formula --- flow (l/s)
H --- triangular-notch weir trough inner water position height (m)
C --- discharge coefficient
Wherein, discharge coefficient is and the width B of triangular-notch weir, the height D of triangle weir notch minimum point and triangular-notch weir trough inner water position
Height h relevant constant, its computing formula is as follows：
B-weir notch width (m)
D --- weir notch bottom surface is to crest of weir bottom point distance (m)
Discharge coefficient formula is suitable in following ranges：
B=0.5～1.2 (m)
D=0.1～0.75 (m)
Apply specific case in the present invention to be set forth the principle and embodiment of the present invention, above example
Illustrate that being only intended to help understands the method for the present invention and its core concept；Simultaneously for one of ordinary skill in the art, according to
According to the thought of the present invention, will change in specific embodiments and applications.In sum, this specification content
Should not be construed as limiting the invention.
Claims (6)
1. a kind of drainage of foundation pit amount Simple measuring device, including steady water section and triangular-notch weir before weir, it is characterised in that：It is steady before the weir
The end of water section connects the water inlet of the triangular-notch weir, and the minimum point of the triangular-notch weir is higher than the bottom surface of steady water section before the weir；
Steady water section includes body of wall, water control valve and the steady network of rivers before the weir, and the steady network of rivers is arranged far from one end of the triangular-notch weir,
The steady network of rivers is removably disposed on the body of wall, and the water control valve is positioned close to one end of the triangular-notch weir；Institute
State triangular-notch weir including triangle weir plate, liquid level sensor support, liquid level sensor, waterproof photovoltaic sensor, data processing equipment and
Power supply, the waterproof photovoltaic sensor is arranged on the minimum point of the water inlet of the triangle weir notch of the triangle weir plate composition, institute
State liquid level sensor support to be fixed on the triangular-notch weir, the liquid level sensor is arranged on the liquid level sensor support,
The liquid level sensor and the waterproof photovoltaic sensor are connected with the data processing equipment, the data processing equipment and institute
State power supply connection.
2. drainage of foundation pit amount Simple measuring device according to claim 1, it is characterised in that：The steady network of rivers and the wall
Locating wheel is installed on two lateral frames of body contact, the installation site in the correspondence steady network of rivers is provided with cunning on the body of wall
Rail, the locating wheel in the steady network of rivers slips into the installation that the steady network of rivers is realized in the slide rail.
3. drainage of foundation pit amount Simple measuring device according to claim 1, it is characterised in that：The steady network of rivers is steel wire
Net.
4. drainage of foundation pit amount Simple measuring device according to claim 1, it is characterised in that：The material of the triangle weir plate
For PVC, glass steel or stainless steel.
5. drainage of foundation pit amount Simple measuring device according to claim 1, it is characterised in that：The liquid level sensor is super
Sound wave liquid level sensor.
6. drainage of foundation pit amount Simple measuring device according to claim 1, it is characterised in that：The power supply is solar-electricity
Pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611216445.9A CN106595784A (en) | 2016-12-26 | 2016-12-26 | Simple metering device for foundation pit displacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611216445.9A CN106595784A (en) | 2016-12-26 | 2016-12-26 | Simple metering device for foundation pit displacement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106595784A true CN106595784A (en) | 2017-04-26 |
Family
ID=58603795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611216445.9A Pending CN106595784A (en) | 2016-12-26 | 2016-12-26 | Simple metering device for foundation pit displacement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106595784A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462505A (en) * | 2017-07-03 | 2017-12-12 | 宁波工程学院 | A kind of test device and method of testing for being used to test porous pavement coefficient of permeability |
| CN108775932A (en) * | 2018-05-03 | 2018-11-09 | 浙江大学 | A kind of device and method of real-time monitoring tunnel siphon drainage flow |
| CN108871477A (en) * | 2018-06-05 | 2018-11-23 | 北京华水仪表***有限公司 | Ultrasonic open channel flowmeter |
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| JPS59136184A (en) * | 1983-01-24 | 1984-08-04 | Mitsui Eng & Shipbuild Co Ltd | Treating device for waste water from moving type dock |
| CN2319789Y (en) * | 1997-12-03 | 1999-05-19 | 庄旭桢 | Weir groove type flow measuring device |
| CN201724707U (en) * | 2010-05-25 | 2011-01-26 | 桂林电子科技大学 | Device for detecting water levels of watercourse and lake |
| CN202141482U (en) * | 2011-03-18 | 2012-02-08 | 辽宁省林业科学研究院 | Flow measuring device for forest areas |
| CN203231773U (en) * | 2013-04-22 | 2013-10-09 | 韩卫 | Special-shaped flow measurement weir flow measuring device |
| CN105526976A (en) * | 2015-12-30 | 2016-04-27 | 中国科学院地理科学与资源研究所 | Flow measuring device and method |
| CN205352476U (en) * | 2015-12-30 | 2016-06-29 | 中国科学院地理科学与资源研究所 | Flow rate measuring device |
-
2016
- 2016-12-26 CN CN201611216445.9A patent/CN106595784A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59136184A (en) * | 1983-01-24 | 1984-08-04 | Mitsui Eng & Shipbuild Co Ltd | Treating device for waste water from moving type dock |
| CN2319789Y (en) * | 1997-12-03 | 1999-05-19 | 庄旭桢 | Weir groove type flow measuring device |
| CN201724707U (en) * | 2010-05-25 | 2011-01-26 | 桂林电子科技大学 | Device for detecting water levels of watercourse and lake |
| CN202141482U (en) * | 2011-03-18 | 2012-02-08 | 辽宁省林业科学研究院 | Flow measuring device for forest areas |
| CN203231773U (en) * | 2013-04-22 | 2013-10-09 | 韩卫 | Special-shaped flow measurement weir flow measuring device |
| CN105526976A (en) * | 2015-12-30 | 2016-04-27 | 中国科学院地理科学与资源研究所 | Flow measuring device and method |
| CN205352476U (en) * | 2015-12-30 | 2016-06-29 | 中国科学院地理科学与资源研究所 | Flow rate measuring device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462505A (en) * | 2017-07-03 | 2017-12-12 | 宁波工程学院 | A kind of test device and method of testing for being used to test porous pavement coefficient of permeability |
| CN108775932A (en) * | 2018-05-03 | 2018-11-09 | 浙江大学 | A kind of device and method of real-time monitoring tunnel siphon drainage flow |
| CN108871477A (en) * | 2018-06-05 | 2018-11-23 | 北京华水仪表***有限公司 | Ultrasonic open channel flowmeter |
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Application publication date: 20170426 |
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