CN104614546A - Three-dimensional canal water flow velocity measuring instrument capable of automatically finding water flow direction - Google Patents
Three-dimensional canal water flow velocity measuring instrument capable of automatically finding water flow direction Download PDFInfo
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- CN104614546A CN104614546A CN201510086085.4A CN201510086085A CN104614546A CN 104614546 A CN104614546 A CN 104614546A CN 201510086085 A CN201510086085 A CN 201510086085A CN 104614546 A CN104614546 A CN 104614546A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 239000004020 conductor Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 241000251468 Actinopterygii Species 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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Abstract
The invention discloses a three-dimensional canal water flow velocity measuring instrument capable of automatically finding the water flow direction. A flow velocity sensor 8 is electrically connected with a flow velocity calculation system 10, a vertical rotary shaft 7 penetrates through the flow velocity sensor 8 and leaves with a free gap, the vertical rotary shaft 7 is installed on a frame 2, a transverse rotary shaft 3 penetrates the side frames of a frame 1 and a frame 2, a rotating gap is reserved between the transverse rotary shaft 3 and the frame 2, and the frame 1 is installed on a supporting mechanism. The three-dimensional canal water flow velocity measuring instrument capable of automatically finding the water flow direction solves the problem that when a canal water flow velocity measuring instrument in the prior art is used, measuring errors will occur due to inconsistent direction between the flow velocity sensor 8 and the water flow direction, can be applied to various canals or accessed to a water information monitoring system of an Internet of things, and improves the measuring accuracy of the flow velocity of the canal.
Description
Technical field
The present invention relates to a kind of flow rate of liquid surveying instrument, refer in particular to a kind of water speed measuring instrument of three-dimensional Automatic-searching water (flow) direction.
Background technology
The departments such as the measurement of rivers and canals flow rate of water flow is water conservancy, factories and miness, environment monitoring, hydrogeologic survey, agricultural carry out the important content measurement of monitoring management to environment.Existing with river contact flow rate of water flow measuring instrument, have propeller type and rotary cup etc. according to the difference of water flow rate sensor, but main flow or propeller type.The physical principle of propeller type flow sensor is: water promotes propeller blade and rotates, propeller blade rotates through bindiny mechanism and drives rotor turns, and two magnet steel on rotor driven rotate, when magnet steel forwards near tongue tube, reed switch conduction, exports a switching signal.Propeller rotational one encloses, exportable two switching signals.Water flow velocity is faster, and propeller blade rotates also faster, and the switching signal that tongue tube exports is higher.The switching signal that tongue tube exports is delivered to current velocity calculating device and is carried out signal transacting, just can show the flow velocity of water.Flow sensor is screw propeller foremost, and centre is casing and rotor etc., and rear end is empennage or tail cone.The effect of empennage or tail cone automatically maintains flow sensor parallel with water (flow) direction (or identical).Flow sensor is mounted on supporting mechanism, and the pole type (or claiming measuring staff formula) that supporting mechanism has applicable shallow water water flow velocity to measure, the wire rope suspensioning that deep water is measured is installed and added fish lead counter weight type etc. again.But it is of the prior art various with the flow sensor in river contact flow rate of water flow measuring instrument, only has horizontal direction Automatic-searching water (flow) direction function, there is no vertical direction Automatic-searching water (flow) direction function, it is parallel with water (flow) direction constantly that flow sensor is difficult to guarantee on vertically, the power that this makes the screw propeller of water jet propulsion flow sensor front end rotate reduces, and reduces the measuring accuracy that flow rate of water flow is measured.
Summary of the invention
The object of this invention is to provide a kind of rivers and canals flow rate of water flow measuring instrument of three-dimensional Automatic-searching water (flow) direction, it water (flow) direction can be consistent automatically and in rivers and canals, and structure is simple, cost is low, is easy to manufacture and use.
Realize above-mentioned purpose, the present invention is electrically connected by wire 9 flow sensor 8 with flow velocity calculating system 10, vertical rotating shaft 7 is through turning hole and leaving free gap on flow sensor 8, change 6 is arranged in vertical rotating shaft 7, vertical rotating shaft 7 is installed on the frame 2, horizontal rotating shaft 3 is through the side frame of framework 1 and framework 2, and the side on horizontal rotating shaft 3 and framework 2 turns between hole and leaves rotating gap, and framework 1 is arranged on supporting mechanism.
For the ease of observing the situation of flow sensor 8 in rivers and canals water, avoiding ship etc. to touch associated components such as flow sensor 8 grade, also the upper side frame of framework 1 and mark post 13 being installed together.Mark post 13 upper end is with eye-catching device.
In order to reduce rotary resistance in flow sensor 8 and vertical rotating shaft between 7 and between framework 2 and horizontal rotating shaft 3 and extension lead 9 in the serviceable life of respective section wire, wire 9 between framework 1 and framework 2 and the wire of sensor 8 near zone be helically wound spring structure again after stranded conductor twists into stock.
Because the present invention has been arranged on flow sensor 8 on horizontal longitudinally rotating supporting mechanism such as the three-dimensional be made up of vertical rotating shaft 7, horizontal rotating shaft 3, framework 1, framework 2 etc., therefore, flow sensor 8 can automatically be consistent with water (flow) direction (or claiming parallel) in river, avoiding problems direction and the inconsistent measuring error brought of water (flow) direction of the flow sensor 8 caused due to a variety of causes.Of the present invention simple and practical, cost is low, good reliability.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the structural representation of the embodiment of the present invention 2.
Embodiment
In FIG, the tongue tube of flow sensor 8(more precisely on flow sensor 8) be electrically connected with flow velocity calculating system 10 by wire 9.Vertical rotating shaft 7 is through turning hole and leaving free gap on flow sensor 8.Change 6 is arranged in vertical rotating shaft 7.Vertical rotating shaft 7 is installed on the frame 2, and its mounting means screw or plug-in type are fixed.The side frame (both sides are symmetrical) of framework 1 and framework 2 is passed in horizontal rotating shaft 3.It is smaller that the diameter of horizontal rotating shaft 3 turns bore dia than the side on framework 2, to ensure that framework 2 freely can rotate in horizontal rotating shaft 3.Horizontal rotating shaft 3 is tightened with left nut 4, just horizontal rotating shaft 3 has been fixed on the side frame of framework 1; Right nut 5 is tightened in the end (mutually tighten with two nuts, get loose with side) of horizontal rotating shaft 3.When the outer end of horizontal rotating shaft 3 is threaded structure, left nut 4 and right nut 5 can be removed, now will attack screw thread on framework 1, just can as long as horizontal rotating shaft 3 is tightened on framework 1.Filler ring 6 screw and vertical rotating shaft 7 interfix, in order to make flow sensor 8 in the horizontal direction consistent with water (flow) direction highly sensitive, rotation friction is little, change 6 can adopt bearing arrangement.Change 6 can be installed to the bottom of flow sensor 8, if change 6 adopts ball bearing structure, can directly the outer ring of bearing and flow sensor 8 be fixed, the inner ring of bearing is fixed in vertical rotating shaft 7.Because transverse direction in water of the front end of flow sensor 8 and vertical pendulum angle can not more than 180 degree, therefore the transverse direction of framework 1 and framework 2 and vertical dimension need not be too large, as long as reserve the swing leeway (comparatively it is large that Fig. 1 and Fig. 2 draws, in order that make figure more clear) of flow sensor 8 and framework 2.
When installing and using, framework 1 is arranged in passive vertical rod 14, the riverbed that river bed is inserted in vertical rod 14 fixes, and surfaces as eye-catching device in the upper end of mark post 13.Vertical rod 14 is the one of supporting mechanism.
For the ease of observing the situation of flow sensor 8 in rivers and canals water, avoiding ship etc. to touch associated components such as flow sensor 8 grade, also the upper side frame of framework 1 and mark post 13 being installed together.Available gusset plate 11 and screw 12 are fixed on framework 1 with mark post 13 together with, the mode of also available field welding.Fixed form between the upper end of vertical rod 14 and the lower frame of framework 1 is same as described above.Vertical rod 14 is mutually socketed by the termination of more piece rigid pipe (such as metal tube or plastic conduit) to add holding screw and form, make its total length can unrestricted choice by changing the joint number of vertical rod 14, therefore deep water waters also can be fixed with pole type, can save fish lead and the suspension system of bulky complex.Mark post 13 be also this can unrestricted choice total length structure.Eye-catching for ease of observing, mark post eye-catching device bead topmost answers painted white or other eye-catching colors, is preferably with LED light (be economize on electricity, can automatically open an evening).
In order to reduce rotary resistance in flow sensor 8 and vertical rotating shaft between 7 and between framework 2 and horizontal rotating shaft 3 and the serviceable life of extension lead 9 respective section wire, the wire of wire 9 section between framework 1 and framework 2 and near sensor 8 is the spring structure that stranded conductor is coiled into, specifically, exactly the enameled wire of multiply diameter 0.2 millimeter is twisted into one, and then be wound in spiral helicine spring-like structures from the iron wire of diameter 4 millimeter diameter, the wire of this structure, its bent number of times is almost permanent, and pliability is fine, waterproof is not corroded.
When said mechanism uses, the empennage on flow sensor 8, along with water (flow) direction automatic swing, can keep flow sensor 8 in the horizontal direction automatically consistent with water (flow) direction (parallel, to be also that horizontal direction is between the two without angle); And the impulsive force that vertical rod 14 is formed due to alignment error or the change of water flow velocity speed causes on vertical, flow sensor 8 is inconsistent (not parallel with water (flow) direction, also namely vertically having an angle between the two) change, counteracted around the rotation of horizontal rotating shaft 3 by framework 2.This oscillatory forces shaken the head up and down in front and back end of flow sensor 8, be drive the empennage of flow sensor 8 by current and automatically produce, therefore, the empennage of flow sensor 8 should with transverse direction and longitudinal blade.
In Fig. 2 of embodiment 2, by the haulage gear being arranged on riverbank after suspension cable wire rope 17 and suspension cable wire rope 17 thereof, (this is all common in prior art to fish lead 15, do not draw in Fig. 2) be suspended in river, because fish lead 15 afterbody has empennage, when water speed height is to certain numerical value, when can make river flow, the lateral cross section direction of fish lead axis direction is automatically parallel with water (flow) direction, but this sensitivity automatically parallel with water (flow) direction is in the horizontal direction far below the rotating mechanism of aforesaid flow sensor 8, and the speed due to water velocity is different and often change, this can change often by causing the head pitch angle of fish lead 15.But what framework 2 of the present invention was rotating shaft with horizontal rotating shaft 3 faces upward rotation (also namely swinging up and down) of bowing, and just counteracts the change of the head pitch angle of above-mentioned fish lead 15.The lower frame of framework 1 is fixed on the head of fish lead 15 by fixture 16.Fixture 16 can be mixed holding screw again by steel pipe and be formed, also available field welding manner.This just constitutes the another kind of supporting mechanism of support 2.The icon title that in Fig. 2, this Duan Wenzhong does not mention, identical with embodiment 1.
The present invention is the supporting mechanism general name supporting mechanism of embodiment 1 and embodiment 2 etc.Flow sensor 8 can by common propeller type, also can with other types as rotary cup etc.
The present invention can do various change, such as flow sensor 8 with other types, supporting mechanism other types, flow velocity calculating system 10 is the change of shape of Internet of things system, associated components, but these changes all do not depart from essence of the present invention.
Claims (4)
1. the rivers and canals flow rate of water flow measuring instrument of a three-dimensional Automatic-searching water (flow) direction, flow sensor (8) is electrically connected with flow velocity calculating system (10) by wire (9), it is characterized in that vertical rotating shaft (7) is through turning hole and leaving free gap on flow sensor (8), vertical rotating shaft (7) is arranged on framework (2), change (6) is arranged in vertical rotating shaft (7), horizontal rotating shaft (3) is through the side frame of framework (1) and framework (2), side on horizontal rotating shaft (3) and framework (2) turns between hole and leaves rotating gap, framework (1) is arranged on supporting mechanism.
2., by the rivers and canals flow rate of water flow measuring instrument of three-dimensional Automatic-searching water (flow) direction according to claim 1, it is characterized in that the upper side frame of framework (1) and mark post (13) are installed together, mark post (13) upper end is with eye-catching device.
3., by the rivers and canals flow rate of water flow measuring instrument of three-dimensional Automatic-searching water (flow) direction according to claim 1, it is characterized in that the section of wire (9) between framework (1) and framework (2) and near sensor (8) is helically wound spring structure again after stranded conductor twists into stock.
4., by the rivers and canals flow rate of water flow measuring instrument of three-dimensional Automatic-searching water (flow) direction according to claim 1, it is characterized in that said supporting mechanism is mutually socketed to tighten together by the termination of more piece rigid pipe to form again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510086085.4A CN104614546B (en) | 2015-02-17 | 2015-02-17 | The rivers and canals flow rate of water flow measuring instrument of three-dimensional Automatic-searching water (flow) direction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510086085.4A CN104614546B (en) | 2015-02-17 | 2015-02-17 | The rivers and canals flow rate of water flow measuring instrument of three-dimensional Automatic-searching water (flow) direction |
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| CN104614546A true CN104614546A (en) | 2015-05-13 |
| CN104614546B CN104614546B (en) | 2017-07-14 |
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| CN201510086085.4A Expired - Fee Related CN104614546B (en) | 2015-02-17 | 2015-02-17 | The rivers and canals flow rate of water flow measuring instrument of three-dimensional Automatic-searching water (flow) direction |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806866A (en) * | 2017-12-01 | 2018-03-16 | 李鹏飞 | A kind of servicing unit for improving hydrometric cableway flow measurement ability |
| CN108674591A (en) * | 2018-06-06 | 2018-10-19 | 甘肃省景泰川电力提灌管理局 | Floating boat is observed in towed river |
| CN109853719A (en) * | 2018-12-26 | 2019-06-07 | 安徽省建设工程测试研究院有限责任公司 | A kind of underground sewer pass blocking detection device and application method |
| CN111693727A (en) * | 2020-06-18 | 2020-09-22 | 蔡舒晨 | Water conservancy informatization detection device |
| CN111896771A (en) * | 2020-08-06 | 2020-11-06 | 中国石油化工股份有限公司 | Underground water fluidity detection device and detection method |
| CN111924056A (en) * | 2020-10-14 | 2020-11-13 | 山东省海洋资源与环境研究院(山东省海洋环境监测中心、山东省水产品质量检验中心) | Column-stabilized type moving platform for inspection of marine ranching |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2888448Y (en) * | 2005-07-01 | 2007-04-11 | 南京水利科学研究院 | Rotary oar type flow velocity and direction meter |
| JP2008151561A (en) * | 2006-12-15 | 2008-07-03 | Hokuto Sokuryo Chosa Kk | Measurement apparatus and measurement method for flow condition |
| CN101726734A (en) * | 2009-12-20 | 2010-06-09 | 中国海洋大学 | Posture balancing self-control device of lowered acoustic Doppler current profiler |
| CN202815004U (en) * | 2012-08-31 | 2013-03-20 | 山东省科学院海洋仪器仪表研究所 | Rotary type flow velocity and flow direction measuring device |
| CN204422566U (en) * | 2015-02-17 | 2015-06-24 | 赵杰 | The rivers and canals flow rate of water flow measuring instrument of three-dimensional Automatic-searching water (flow) direction |
-
2015
- 2015-02-17 CN CN201510086085.4A patent/CN104614546B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2888448Y (en) * | 2005-07-01 | 2007-04-11 | 南京水利科学研究院 | Rotary oar type flow velocity and direction meter |
| JP2008151561A (en) * | 2006-12-15 | 2008-07-03 | Hokuto Sokuryo Chosa Kk | Measurement apparatus and measurement method for flow condition |
| CN101726734A (en) * | 2009-12-20 | 2010-06-09 | 中国海洋大学 | Posture balancing self-control device of lowered acoustic Doppler current profiler |
| CN202815004U (en) * | 2012-08-31 | 2013-03-20 | 山东省科学院海洋仪器仪表研究所 | Rotary type flow velocity and flow direction measuring device |
| CN204422566U (en) * | 2015-02-17 | 2015-06-24 | 赵杰 | The rivers and canals flow rate of water flow measuring instrument of three-dimensional Automatic-searching water (flow) direction |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806866A (en) * | 2017-12-01 | 2018-03-16 | 李鹏飞 | A kind of servicing unit for improving hydrometric cableway flow measurement ability |
| CN108674591A (en) * | 2018-06-06 | 2018-10-19 | 甘肃省景泰川电力提灌管理局 | Floating boat is observed in towed river |
| CN109853719A (en) * | 2018-12-26 | 2019-06-07 | 安徽省建设工程测试研究院有限责任公司 | A kind of underground sewer pass blocking detection device and application method |
| CN111693727A (en) * | 2020-06-18 | 2020-09-22 | 蔡舒晨 | Water conservancy informatization detection device |
| CN111693727B (en) * | 2020-06-18 | 2022-03-29 | 蔡舒晨 | Water conservancy informatization detection device |
| CN111896771A (en) * | 2020-08-06 | 2020-11-06 | 中国石油化工股份有限公司 | Underground water fluidity detection device and detection method |
| CN111896771B (en) * | 2020-08-06 | 2021-12-17 | 中国石油化工股份有限公司 | Underground water fluidity detection device and detection method |
| CN111924056A (en) * | 2020-10-14 | 2020-11-13 | 山东省海洋资源与环境研究院(山东省海洋环境监测中心、山东省水产品质量检验中心) | Column-stabilized type moving platform for inspection of marine ranching |
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|---|---|
| CN104614546B (en) | 2017-07-14 |
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Effective date of registration: 20190417 Address after: 510000 Tianhe District, Guangzhou City, Guangdong Province, 333 Floor, 898 Tianhe Road (Unit 3317-3318 of its own location) (office use only) Patentee after: GUANGZHOU LINGZHENG INFORMATION TECHNOLOGY Co.,Ltd. Address before: 510700 room 505, 1 Tiantai Road, Whampoa District, Guangzhou, Guangdong Patentee before: Guangzhou Lianda Information Technology Co.,Ltd. |
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Effective date of registration: 20191231 Address after: Ma'anshan City, Anhui province 238100 oz Hanshan County Town Industrial Park Patentee after: HANSHAN CHANGTONG FOOD MANUFACTURING CO.,LTD. Address before: 510000 X1301-I4435 (Cluster Registration) (JM) No. 106 Fengze East Road, Nansha District, Guangzhou, Guangdong Province Patentee before: GUANGZHOU MYK EDUCATION TECHNOLOGY Co.,Ltd. |
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