CN206270362U - A kind of simple portable is used for the device of outcrop of ground water flow-speed measurement - Google Patents
A kind of simple portable is used for the device of outcrop of ground water flow-speed measurement Download PDFInfo
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- CN206270362U CN206270362U CN201621401402.3U CN201621401402U CN206270362U CN 206270362 U CN206270362 U CN 206270362U CN 201621401402 U CN201621401402 U CN 201621401402U CN 206270362 U CN206270362 U CN 206270362U
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Abstract
The utility model discloses the device that a kind of simple portable is used for outcrop of ground water flow-speed measurement, it is characterised in that：Including pressure detection system, differential pressure measurement system and level adjustment system；By the use of Pitot tube as the total pressure of measuring point and the detection device of static pressure in the pressure detection system, by the use of U-tube difference gauge as the measurement apparatus of pressure difference in the differential pressure measurement system, by the use of level meter pedestal and support bar as level(l)ing device in the level adjustment system.This device can be used in outcrop of ground water flow-speed measurement, and this device, simple portable, it is easy to assembly, cheap, beneficial to popularization.
Description
Technical field
The utility model is related to a kind of flow rate measuring device, and specifically a kind of simple portable is used for outcrop of ground water flow velocity
The device of measurement, it is adaptable to hydrogeology, engineering geology field.
Background technology
Either in survey for the purpose of locating hydrogeological resources still in engineering construction, outcrop of ground water is often important ground particle, is led to
Its feature (such as flow rate) need to be often been described by.But generally, be limited to many factors, in survey for the purpose of locating hydrogeological resources and
In engineering construction, the method that the determination to outcrop of ground water flow velocity uses estimation mostly is such as entered using mineral water bottle and timer
Row measurement, and the resultant error for so drawing is larger, it is impossible to obtain its true flow velocity.And at present also not dedicated for underground water
Appear the instrument of flow-speed measurement, the utility model combines indoor hydrology experimental technique and Hydrodynamics Theory relate to it is a kind of simple
The portable device for outcrop of ground water flow-speed measurement, simple portable, it is easy to assembly, cheap, beneficial to popularization.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of simple portable for outcrop of ground water flow-speed measurement
Device.This device can be used in outcrop of ground water flow-speed measurement, and this device, simple portable, easy to assembly, low cost
It is honest and clean, beneficial to popularization.
In order to solve the above-mentioned technical problem, the utility model proposes following technical scheme：A kind of simple portable is used for ground
Lower water is appeared the device of flow-speed measurement, it is characterised in that：Including pressure detection system, differential pressure measurement system and Level tune system
System；By the use of Pitot tube as the total pressure of measuring point and the detection device of static pressure, the differential pressure amount in the pressure detection system
By the use of U-tube difference gauge as the measurement apparatus of pressure difference in examining system, in the level adjustment system using level meter pedestal with
And support bar is used as level(l)ing device.
The Pitot tube uses standard type Pitot tube, U-tube difference gauge sealing liquid to use the aqueous solution, the pressure measurement port of Pitot tube
It is connected with the U-tube difference gauge mouth of pipe by rubber tube, U-tube difference gauge base two ends are each provided with a screw, and by even
Connecting bolt is connected with its underpart level meter pedestal；Level meter pedestal upper surface is provided with horizontal bubble, being capable of auxiliary adjustment water
Level base level, its upper surface is additionally provided with two screws, herein the screw pair at screw and U-tube difference gauge base two ends
Should, the two is connected by connecting bolt；The level meter base bottom is provided with three screws, is connected with its underpart support bar.
The support bar is made up of head, outer loop bar, interior loop bar and fixing bolt respectively, and its head is a bit of spiral shell
Bar, for being connected with level meter base bottom screw, its interior loop bar Independent adjustable section length and can pass through outside bolt by its with
Outer loop bar is fixed, by adjusting each support bar to random length adjustable water level level.
Its measurement flow velocity is 0.15~2m/s.
Graduation mark is provided with the U-tube difference gauge.
The utility model has the advantages that：
1st, the instrument that the utility model is used is Pitot tube, U-tube difference gauge and Simple spirit level, unitary construction letter
It is single, easily obtain, it is cheap.
2nd, pressure detection system of the present utility model, differential pressure measurement system and level adjustment system are three independent portions
Point, can field combinations, simple portable when using.
3rd, by support bar regulation level and can be fixed after U-tube difference gauge and level meter pedestal are connected, facilitate reading.
4th, it by simple formula scales is that can obtain outcrop of ground water flow velocity to read after numeral, easy to learn, operation side
Just.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is U-tube difference gauge base vertical view of the present utility model and left view.
Fig. 3 is level meter pedestal upward view of the present utility model and top view.
Fig. 4 is supporting bar structure schematic diagram of the present utility model.
In figure：Housing 1, expansion link 2, slipmat 3, fixed plate 4, power knob 5, power supply 6, bearing block 7, electricity are installed
Motivation 8, main shaft 9, turbine 10, worm screw 11, gear 12, tooth bar 13, drive bevel gear 14, driven wheel of differential 15.
Specific embodiment
Implementation method of the present utility model is described further below in conjunction with the accompanying drawings.
Such as Fig. 1-4, a kind of simple portable is used for the device of outcrop of ground water flow-speed measurement, including pressure detection system,
Differential pressure measurement system and level adjustment system.By the use of Pitot tube 1 as the total pressure of measuring point and static pressure in pressure detection system
Strong detection device, by the use of U-tube difference gauge 5 as the measurement apparatus of pressure difference in differential pressure measurement system, in level adjustment system
By the use of level meter pedestal 9 and support bar 11 as level(l)ing device.Pitot tube standard recommanded practice type Pitot tube, U-tube
Difference gauge sealing liquid is recommended as the aqueous solution, and the pressure measurement port 3,4 of Pitot tube is connected by rubber tube 12 with the U-tube difference gauge mouth of pipe 6.
The two ends of U-tube difference gauge base 7 are each provided with a screw 19, and are connected with its underpart level meter pedestal 9 by connecting bolt 8
Connect.Level meter pedestal upper surface is provided with horizontal bubble 10, and for auxiliary adjustment level meter base level, its upper surface sets in addition
Two screws 18 are equipped with, screw is corresponding with the screw 19 at U-tube difference gauge base two ends herein, and the two can be by connecting bolt 8
It is connected.Level meter base bottom is provided with three screws 17, and for being connected with its underpart support bar 11, support bar is respectively by head
13rd, outer loop bar 14, interior loop bar 15 and fixing bolt 16 are constituted.Its head be a bit of screw rod, for level meter pedestal bottom
Portion's screw is connected, and its interior loop bar Independent adjustable section length can simultaneously be fixed it with outer loop bar by outside bolt, each by regulation
Support bar is to random length adjustable water level level.
Further, described flow rate measuring device measurement range is generally 0.15~2m/s.In channel flow, Pitot tube
Measurement range be generally 0.15~2m/s, and outcrop of ground water can approximately regard low flow velocity low discharge channel flow, and general feelings as
Flow velocity is can be controlled in the range of 0.15~2m/s under condition.
Further, described flow rate measuring device includes pressure detection system, differential pressure measurement system and Level tune
System.
Further, the total pressure and static pressure of measuring point are detected using 1 end of probe of Pitot tube 2, and utilizes U-tube difference gauge
5 measurement Pitot tube stagnation pressure and static pressure, while using level meter pedestal 9 and the adjustable water level level of support bar 11.
Further, Pitot tube standard recommanded practice type Pitot tube, U-tube difference gauge sealing liquid is recommended as the aqueous solution, Pitot
The pressure measurement port 3,4 of pipe is connected by rubber tube 12 with the U-tube difference gauge mouth of pipe 6.In measurement process, by U-tube difference gauge
Its flow velocity can be tried to achieve according to 1 formula after reading night post difference：
In formula, v is point velocity, m/s；G is acceleration of gravity, m/s2；H is poor for the fluid column of U-tube difference gauge, m.Herein
The correction factor of negligible Pitot tube.
Further, described U-tube difference gauge bottom is provided with a base 7, and base two ends are each provided with a screw
19, for being connected with its underpart level meter pedestal 9.
Further, described level adjustment system includes level meter pedestal 9 and support bar 11, level meter pedestal upper surface
Horizontal bubble 10 is provided with, for auxiliary adjustment level meter base level, while its upper surface is provided with two screws 18, herein
Screw is corresponding with the screw 19 at U-tube difference gauge base two ends, and the two can be by bolt connected 8, additionally, level meter base bottom
Three screws 17 are provided with, for being connected with its underpart support bar 11.When spirit level horizontal is adjusted using support bar, with level
Bubble is between two parties spirit level horizontal mark.
Further, described support bar is respectively by 16 groups of head 13, outer loop bar 14, interior loop bar 15 and fixing bolt
Into.
Further, described support club head is a bit of screw rod, for being connected with level meter base bottom screw, its
Interior loop bar Independent adjustable section length can simultaneously be fixed it with outer loop bar by outside bolt, by adjusting each support bar to arbitrarily long
Degree adjustable water level level.Three support bars can arbitrarily adjust its length, to adapt to different places such as level land, slope
Deng.
Installation method：U-tube difference gauge base is connected with level meter pedestal, club head and water will be then supported
Level base bottom screw is connected, and support bar is positioned over into ground, while adjusting the inner sleeve pole length of support bar to suitable position
Put, make spirit level horizontal, finally, U-tube difference gauge and Pitot tube are connected using rubber tube.
The course of work, when outcrop of ground water flow-speed measurement is carried out, connects U-tube difference gauge and level meter and adjusts first
Water saving level level, is between two parties mark with horizontal bubble, and then connect the U-tube difference gauge mouth of pipe with rubber tube surveys with Pitot tube
Pressure side mouthful, finally just detects Pitot tube to outcrop of ground water measuring point, and it is poor to read U-tube difference gauge fluid column, by public affairs
Formula conversion can obtain its flow velocity.
By above-mentioned description, those skilled in the art completely can be without departing from this utility model technological thought
In the range of, carry out various changes and amendments all within protection domain of the present utility model.It is of the present utility model not most
Matters, belong to the common knowledge of those skilled in the art.
Claims (4)
1. a kind of simple portable is used for the device of outcrop of ground water flow-speed measurement, it is characterised in that：Including pressure detection system,
Differential pressure measurement system and level adjustment system；Pitot tube is utilized in the pressure detection system（1）As the total pressure of measuring point
With the detection device of static pressure, U-tube difference gauge is utilized in the differential pressure measurement system（5）As the measurement apparatus of pressure difference, institute
State in level adjustment system using level meter pedestal（9）And support bar（11）As level(l)ing device；
The Pitot tube（1）Using standard type Pitot tube, U-tube difference gauge sealing liquid uses the aqueous solution, the pressure measurement port of Pitot tube
（3、4）By rubber tube（12）With the U-tube difference gauge mouth of pipe（6）It is connected, U-tube difference gauge base（7）Two ends are each provided with one
Individual screw（19）, and by connecting bolt（8）With its underpart level meter pedestal（9）It is connected；Level meter pedestal upper surface is set
There is horizontal bubble（10）, can auxiliary adjustment level meter base level, its upper surface is additionally provided with two screws（18）, spiral shell herein
Hole and the screw at U-tube difference gauge base two ends（19）Correspondence, the two passes through connecting bolt（8）It is connected；The level meter pedestal
Bottom is provided with three screws（17）, with its underpart support bar（11）It is connected.
2. a kind of simple portable according to claim 1 is used for the device of outcrop of ground water flow-speed measurement, and its feature exists
In：The support bar is respectively by head（13）, outer loop bar（14）, interior loop bar（15）And fixing bolt（16）Composition, its head
It is a bit of screw rod, for being connected with level meter base bottom screw, its interior loop bar Independent adjustable section length simultaneously can pass through outside
Bolt fixes it with outer loop bar, by adjusting each support bar to random length adjustable water level level.
3. a kind of simple portable according to claim 1 is used for the device of outcrop of ground water flow-speed measurement, and its feature exists
In：Its measurement flow velocity is 0.15 ~ 2m/s.
4. a kind of simple portable according to claim 1 is used for the device of outcrop of ground water flow-speed measurement, and its feature exists
In：The U-tube difference gauge（5）On be provided with graduation mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621401402.3U CN206270362U (en) | 2016-12-20 | 2016-12-20 | A kind of simple portable is used for the device of outcrop of ground water flow-speed measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621401402.3U CN206270362U (en) | 2016-12-20 | 2016-12-20 | A kind of simple portable is used for the device of outcrop of ground water flow-speed measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206270362U true CN206270362U (en) | 2017-06-20 |
Family
ID=59047334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621401402.3U Expired - Fee Related CN206270362U (en) | 2016-12-20 | 2016-12-20 | A kind of simple portable is used for the device of outcrop of ground water flow-speed measurement |
Country Status (1)
| Country | Link |
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| CN (1) | CN206270362U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107247156A (en) * | 2017-07-31 | 2017-10-13 | 长江大学 | A kind of flow rate measuring device and implementation based on pressure sensitive |
| CN108332816A (en) * | 2018-01-12 | 2018-07-27 | 河海大学 | Measure device and its measurement method that river surface and ground water exchanges water |
| CN108414032A (en) * | 2018-03-13 | 2018-08-17 | 太原理工大学 | A kind of portable open channel measuring automatically flow device |
| CN110045144A (en) * | 2019-04-18 | 2019-07-23 | 上海市计量测试技术研究院(中国上海测试中心、华东国家计量测试中心、上海市计量器具强制检定中心) | A kind of closed conduct flow rate of liquid distribution method for automatic measurement and device |
| CN114280326A (en) * | 2021-12-23 | 2022-04-05 | 广西大学 | Karst depression waterlogging water falling hole flow velocity measuring device and overflowing capacity monitoring method |
-
2016
- 2016-12-20 CN CN201621401402.3U patent/CN206270362U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107247156A (en) * | 2017-07-31 | 2017-10-13 | 长江大学 | A kind of flow rate measuring device and implementation based on pressure sensitive |
| CN107247156B (en) * | 2017-07-31 | 2023-09-12 | 长江大学 | Implementation method for flow velocity measurement based on pressure sensing |
| CN108332816A (en) * | 2018-01-12 | 2018-07-27 | 河海大学 | Measure device and its measurement method that river surface and ground water exchanges water |
| CN108414032A (en) * | 2018-03-13 | 2018-08-17 | 太原理工大学 | A kind of portable open channel measuring automatically flow device |
| CN108414032B (en) * | 2018-03-13 | 2020-12-18 | 太原理工大学 | Portable automatic flow measuring device for open channel |
| CN110045144A (en) * | 2019-04-18 | 2019-07-23 | 上海市计量测试技术研究院(中国上海测试中心、华东国家计量测试中心、上海市计量器具强制检定中心) | A kind of closed conduct flow rate of liquid distribution method for automatic measurement and device |
| CN114280326A (en) * | 2021-12-23 | 2022-04-05 | 广西大学 | Karst depression waterlogging water falling hole flow velocity measuring device and overflowing capacity monitoring method |
| CN114280326B (en) * | 2021-12-23 | 2023-08-25 | 广西大学 | Karst depression waterlogging water falling hole flow velocity measuring device and overflow capacity monitoring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170620 Termination date: 20171220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |