CN115235556A - Low-cost irrigation open channel flow measuring device - Google Patents
Low-cost irrigation open channel flow measuring device Download PDFInfo
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- CN115235556A CN115235556A CN202210792733.8A CN202210792733A CN115235556A CN 115235556 A CN115235556 A CN 115235556A CN 202210792733 A CN202210792733 A CN 202210792733A CN 115235556 A CN115235556 A CN 115235556A
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- open channel
- measuring
- measuring device
- channel flow
- liquid level
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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
- G01F1/002—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow wherein the flow is in an open channel
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/12—Cleaning arrangements; Filters
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- 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
Abstract
The invention belongs to the technical field of open channel measuring devices, and particularly relates to a low-cost irrigation open channel flow measuring device. The invention comprises a measuring frame main body, wherein a plurality of telescopic supporting rods which are symmetrical along the central line of the measuring frame main body are arranged on the measuring frame main body, and the telescopic supporting rods are in sliding fit with the measuring frame main body. In the use process of the invention, the non-contact type and the contact type speed measurement are combined, the flow measurement precision of the irrigation open channel is higher, the influence of splashed liquid and fluctuation of the liquid level on measurement data is avoided, the measurement error is reduced, the invention is suitable for different liquid level heights, and the practicability is stronger.
Description
Technical Field
The invention belongs to the technical field of open channel measuring devices, and relates to a low-cost irrigation open channel flow measuring device.
Background
Open channel flow meters are classified into ultrasonic open channel flow meters, doppler open channel flow meters, and multichannel open channel flow meters, which are system monitoring devices for measuring fluid flow in open channels or channels, according to different measurement principles. The open channel flowmeter monitoring system is suitable for flow measurement of rectangular and trapezoidal open channels and culverts such as reservoirs, rivers, hydraulic engineering, urban water supply, sewage treatment, farmland irrigation, water administration water resources and the like. Has wide application in recent years. Most current open channel flow measuring device generally adopts the ultrasonic measurement mode, in the use, because the liquid that splashes and the fluctuation of liquid level very easily influence measured data, consequently need one kind urgently and test the speed with non-contact and combine together, irrigate open channel flow measurement precision higher, avoid influencing measured data because the fluctuation of the liquid that splashes and the fluctuation of liquid level, reduce measuring error, be applicable to each different liquid level height, the strong low-cost irrigation open channel flow measuring device of practicality is very necessary.
In order to overcome the defects of the prior art, people continuously explore and provide various solutions, for example, a Chinese patent discloses a circular flow cross section open channel water flow measuring device [ application number: 201910775818.3], a water flow channel is formed between the circular overflowing pipeline and the circular flow blocking pipe, so that a critical flow state is formed when water flows through the water flow channel, the overflowing flow rate is only a function of the upstream water level, the flow measurement is converted into the measurement of the upstream water level, and the problem is greatly simplified. However, the scheme still does not combine non-contact type and contact type speed measurement in the measurement process, the flow measurement precision of the irrigation open channel is general, and the measurement data is easily influenced by splashed liquid and fluctuation of the liquid level, so that the defects of large measurement error and general practicability exist.
Disclosure of Invention
The invention aims to solve the problems and provide a low-cost irrigation open channel flow measuring device.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a low-cost irrigation open channel flow measuring device, includes the measurement frame main part, the measurement frame main part on be equipped with a plurality of telescopic branch along measurement frame main part central line symmetry, telescopic branch and measurement frame main part sliding fit mutually, telescopic branch bottom be equipped with open channel unable adjustment base, open channel unable adjustment base and open channel build the body structure fixed, the measurement frame main part in be equipped with removable ultrasonic measurement spare, removable ultrasonic measurement spare below be equipped with over-and-under type open channel flow measurement subassembly, over-and-under type open channel flow measurement subassembly and open channel unable adjustment base crisscross setting.
In foretell low-cost irrigation open channel flow measuring device, over-and-under type open channel flow measuring subassembly including setting up in the connecting rod of removable ultrasonic measurement piece below, the connecting rod on be equipped with horizontal lifter plate, horizontal lifter plate corresponding with removable ultrasonic measurement piece's position, horizontal lifter plate bottom be equipped with contact rivers measurement piece, open channel body structure in be equipped with the antiwind cutting structure that can follow the reciprocal linear motion of horizontal direction, antiwind cutting structure corresponding with over-and-under type open channel flow measuring subassembly's position, the measuring rack main part on be equipped with the floater and retrieve the structure, the floater retrieve the structure and be located over-and-under type open channel flow measuring subassembly rear, the measuring rack main part on still be equipped with solar energy power supply structure.
In the aforementioned low-cost device for measuring the flow of the open channel, the contact-type water flow measuring part comprises a plurality of mounting seats arranged at the bottom of the transverse lifting plate, a rotatable rotating drum is arranged in the mounting seats, and a plurality of speed measuring fan blades distributed in an annular array along the center point of the rotating drum are arranged on the rotating drum.
In the low-cost irrigation open channel flow measuring device, the mounting base is provided with a downward opening and penetrates through the front and the back, and the mounting base is provided with a rotary drum speed measuring piece which is connected with the rotary drum.
In the aforementioned low-cost device for measuring flow of an open channel for irrigation, the rotating drum speed measuring part includes a rotating drum speed measuring device disposed on the mounting base, the rotating drum speed measuring device is connected to the rotating drum, and a wireless transmission module is disposed in the rotating drum speed measuring device.
In foretell low-cost irrigation open channel flow measuring device, the mount pad top be equipped with the inserted bar, last inserted bar run through horizontal lifter plate, last inserted bar in be equipped with the joint hole, last inserted bar and horizontal lifter plate between link to each other through the spiro union board, the spiro union board run through the joint hole.
In the aforementioned low-cost irrigation open channel flow measuring device, the detachable ultrasonic measuring element comprises a fixing rod arranged in the measuring frame body, an ultrasonic liquid level measurer is arranged on the fixing rod, the ultrasonic liquid level measurer corresponds to the transverse lifting plate, and a plurality of handle holding rods symmetrical along the central line of the ultrasonic liquid level measurer are arranged on the ultrasonic liquid level measurer.
In foretell low-cost irrigation open channel flow measuring device, the measurement frame main part on be equipped with the adapter sleeve, dead lever and measurement frame main part link to each other through fastening bolt between with the adapter sleeve respectively, fastening bolt run through in proper order through the adapter sleeve with measure frame main part and fastening bolt and dead lever looks butt cooperation.
In the low-cost irrigation open channel flow measuring device, the fixed rod is internally provided with the linear driver, the power shaft of the linear driver is connected with the connecting rod through a plurality of fastening bolts, the mounting base is provided with the signal transmitter, and the signal transmitter is connected with the ultrasonic liquid level measurer through the wireless transmission module.
In foretell low-cost irrigation open channel flow measuring device, telescopic branch on be equipped with spacing anticreep piece, spacing anticreep piece and mount pad looks sliding fit, telescopic branch and telescopic branch between link to each other through a plurality of fastening bolt.
Compared with the prior art, the invention has the advantages that:
1. in the use process of the invention, the lifting open channel flow measurement assembly is lifted to the open channel liquid level, the lower part of the lifting open channel flow measurement assembly is submerged below the liquid level, the upper part of the lifting open channel flow measurement assembly is exposed on the liquid level, the water level height of the lifting open channel flow measurement assembly is detected by sending ultrasonic waves through the detachable ultrasonic measurement piece, the higher the water level is, the higher the flow rate is, the lower the water level is, the smaller the flow rate is, and the non-contact flow speed measurement is achieved.
2. In the process of mounting the mounting seat, the upper insertion rod is inserted into the mounting seat. In the horizontal lifter plate, go up and link to each other through the spiro union board between inserted bar and the horizontal lifter plate, link to each other through the screw between spiro union board and the horizontal lifter plate, adopt removable structure, the staff of being convenient for carries out check-out equipment and maintenance change, easy operation is convenient.
3. When the height of the connecting rod needs to be adjusted, the linear driver is started, the degree of automation is high, manual adjustment is not needed, the labor intensity of workers is reduced, the power shaft of the linear driver is connected with the connecting rod through a plurality of fastening bolts, the linear driver is simple and convenient to assemble and disassemble, and is convenient for workers to maintain and replace.
3. When underwater sundries such as aquatic weeds and the like flow in front of the open channel, the anti-winding cutting structure is moved to one side close to the center of the open channel, so that the anti-winding cutting structure is positioned in front of the lifting open channel flow measurement assembly to cut aquatic weeds and the like, the sundries are prevented from winding to the lifting open channel flow measurement assembly to influence the measurement precision, solid foreign matters and garbage on the water surface can be recycled through the floater recycling structure, the phenomenon that the solid foreign matters such as foams and the like are accumulated at the open channel measurement liquid level to influence the measurement precision is avoided, meanwhile, the solar power supply structure is environment-friendly, the solar power supply structure comprises a plurality of photovoltaic panel mounting seats and photovoltaic panels arranged on the measurement frame main body, the solar energy can be used for providing energy, and the cost is reduced.
4. The end, far away from the displacement push plate, of the guide block is in an inclined plane shape, so that the guide block has a good guiding effect, solid garbage can be prevented from being stuck on the guide block, when the displacement push plate moves, the displacement push plate can be prevented from being subjected to angular deviation in the moving process through sliding fit between the limiting block and the limiting sliding groove, the displacement accuracy of the displacement push plate is improved, and the solid garbage cannot enter a gap between the guide block and the recovery part mounting plate when the displacement push plate moves due to abutting of the sliding plate, so that the garbage can be prevented from being blocked.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic cross-sectional view of a measurement stand body.
FIG. 3 is a schematic view of a speed measuring fan blade.
Fig. 4 is a schematic cross-sectional view of the upper plug.
Fig. 5 is a structural schematic view of an anti-wind cutting structure.
Fig. 6 is a schematic structural view of a float recovery structure.
In the figure: the device comprises a measuring frame main body 1, a telescopic supporting rod 2, an open channel fixing base 3, a detachable ultrasonic measuring part 4, a lifting open channel flow measuring component 5, a connecting rod 6, a transverse lifting plate 7, a contact type water flow measuring part 8, a mounting seat 9, a rotary drum 10, a speed measuring fan blade 11, a rotary drum speed measuring part 12, a rotary drum rotating speed measuring device 13, an upper insertion rod 14, a clamping hole 15, a spiral connecting plate 16, a fixing rod 17, an ultrasonic liquid level measuring device 18, a connecting sleeve 19, a linear driver 20, a signal transmitter 21, a limiting anti-dropping block 22, a depth measuring rod 23, a solid foreign matter recycling and purifying component 8a, a solid foreign matter recycling net 9a, a recycling part mounting plate 10a, an opening and closing rotary plate 11a, a water through hole 12a, an elastic rope 13a, a connecting plate 14a, a guide block 15a, an anti-blocking push plate part 16a, a displacement push plate 17a, a linear driver 18a, a waterproof shell 19a, a limiting chute 20a limiting block 21a, an underwater translation side part 60a, a water grass cutting wheel 61a, a cutting wheel driving motor 62a, a translation seat linear driver 63a, an open channel body structure 100, a solar energy power supply structure 101, a photovoltaic panel 102 and a photovoltaic mounting seat 102.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1-6, a low-cost irrigation open channel flow measuring device, including the measuring rack main part 1, the measuring rack main part 1 on be equipped with a plurality of along measuring rack main part 1 central line symmetrical telescopic branch 2, telescopic branch 2 and measuring rack main part 1 looks sliding fit, 2 bottoms of telescopic branch be equipped with open channel unable adjustment base 3, open channel unable adjustment base 3 build the body structure 100 with the open channel and fix, measuring rack main part 1 in be equipped with removable ultrasonic measurement 4, removable ultrasonic measurement 4 below be equipped with over-and-under type open channel flow measuring assembly 5, over-and-under type open channel flow measuring assembly 5 and open channel unable adjustment base 3 crisscross setting.
In this embodiment, in the using process, the measuring rack main body 1 is placed above an open channel, the telescopic supporting rod 2 is stretched to a proper width, the telescopic supporting rod 2 is fixed, the open channel fixing base 3 and the open channel building structure 100 are fixed through screws, the measuring position is convenient to adjust, the detachable ultrasonic measuring component 4 is placed into the measuring rack main body 1, after the fixing, the lifting open channel flow measuring component 5 is lifted to the open channel liquid level, the lower part of the lifting open channel flow measuring component 5 is submerged under the liquid level, the upper part of the lifting open channel flow measuring component 5 is exposed on the liquid level, the detachable ultrasonic measuring component 4 emits ultrasonic waves to detect the water level height of the lifting open channel flow measuring component 5, the higher the water level is, the higher the flow rate is, the lower the water level is, the flow rate is smaller, the non-contact flow rate is achieved, meanwhile, the lower part of the lifting open channel flow measuring component 5 is in contact with the water level, the non-contact flow rate is adopted, the non-contact flow rate is combined with the contact type speed measurement, the open channel irrigation measurement is higher the flow measurement precision, the liquid level measurement is avoided from being splashed, the fluctuation of the liquid level and the fluctuation of the liquid level is not affected, the measurement error is reduced, and the application to different liquid levels.
Referring to fig. 1-4, the lifting type open channel flow measurement assembly 5 comprises a connecting rod 6 arranged below a detachable ultrasonic measurement piece 4, a transverse lifting plate 7 is arranged on the connecting rod 6, the position of the transverse lifting plate 7 corresponds to that of the detachable ultrasonic measurement piece 4, a contact type water flow measurement piece 8 is arranged at the bottom of the transverse lifting plate 7, an anti-winding cutting structure 6a capable of reciprocating linear motion in the horizontal direction is arranged in the open channel building structure 100, the anti-winding cutting structure 6a corresponds to that of the lifting type open channel flow measurement assembly 5, a floater recovery structure 7a is arranged on the measurement frame main body 1, the floater recovery structure 7a is located behind the lifting type open channel flow measurement assembly 5, and a solar power supply structure 101 is further arranged on the measurement frame main body 1.
Specifically, the connecting rod 6 is used for connecting and fixing the transverse lifting plate 7, the transverse lifting plate 7 is lifted to the liquid level of the open channel during measurement, the lower part of the contact type water flow measuring piece 8 is submerged below the liquid level, the transverse lifting plate 7 is exposed on the liquid level, the water level where the transverse lifting plate 7 is located is detected by sending ultrasonic waves through the detachable ultrasonic measuring piece 4, the higher the water level is, the higher the flow velocity is, the lower the water level is, the smaller the flow velocity is, non-contact type flow velocity measurement is achieved, meanwhile, the contact type water flow measuring piece 8 is in contact with the water level, contact type flow velocity measurement is adopted, the non-contact type and contact type velocity measurement are combined, the flow measurement precision of the irrigation open channel is higher, the influence on measurement data caused by splashed liquid and fluctuation of the liquid level is avoided, the measurement error is reduced, the device is suitable for different liquid level heights, and has high practicability;
when underwater sundries such as aquatic weeds and the like flow in front of the open channel, the anti-winding cutting structure 6a is moved to one side close to the center of the open channel, so that the anti-winding cutting structure 6a is positioned in front of the lifting type open channel flow measurement assembly 5, aquatic weeds and the like are cut, the sundries are prevented from being wound to the lifting type open channel flow measurement assembly 5 and affecting the measurement precision, solid foreign matters on the water surface and garbage can be recycled through the floater recycling structure 7a, the phenomenon that the solid foreign matters such as foam and the like are accumulated at the open channel measurement liquid level and affect the measurement precision is avoided, meanwhile, the solar power supply structure 101 is environment-friendly, the solar power supply structure 101 comprises a plurality of photovoltaic panel installation seats 102 and photovoltaic panels 103 which are arranged on the measurement frame main body 1, the solar energy can be provided, the cost is reduced, and the skilled person can understand that the solar power supply structure 101 can adopt a solar energy conversion device in the prior art.
Referring to fig. 1 and 3, the contact type water flow measuring device 8 includes a plurality of mounting seats 9 disposed at the bottom of the transverse lifting plate 7, a rotatable rotating drum 10 is disposed in the mounting seats 9, and a plurality of speed measuring fan blades 11 distributed in an annular array along a central point of the rotating drum 10 are disposed on the rotating drum 10.
In this embodiment, mount pad 9 is used for installing fixed rotary drum 10 and speed measuring fan blade 11, in the measurement process, fixed rotary drum 10 is located the liquid level below with speed measuring fan blade 11, through the fixed rotary drum 10 of water impact and speed measuring fan blade 11, drive fixed rotary drum 10 and speed measuring fan blade 11 and rotate, accomplish the contact and irrigate the open channel flow measurement, 7 central bottoms of horizontal lifter plate are equipped with degree of depth measuring stick 23, can with open channel bottom looks butt, avoid mount pad 9 and open channel bottom collision, the security is higher, and still can play the effect of the supplementary open channel degree of depth of measurement.
The mounting base 9 is provided with a downward opening and penetrates the front and the back, the mounting base 9 is provided with a rotating drum speed measuring part 12, and the rotating drum speed measuring part 12 is connected with the rotating drum 10.
In this embodiment, 9 openings of the mounting base penetrate through the installation downwards and front and back, so that the water flow is in contact with the fixed rotary drum 10 and the speed measuring fan blade 11, the rotary drum speed measuring part 12 is used for measuring the rotating speeds of the fixed rotary drum 10 and the speed measuring fan blade 11, and the rotating speed is converted into the flow speed of the water flow below the liquid level after calculation.
Referring to fig. 1, the rotating drum speed measuring device 12 includes a rotating drum speed measuring device 13 disposed on the mounting base 9, the rotating drum speed measuring device 13 is connected to the rotating drum 10, and a wireless transmission module is disposed in the rotating drum speed measuring device 13.
In this embodiment, the rotating drum rotation speed measuring device 13 is configured to measure the rotation speeds of the fixed rotating drum 10 and the tachometer fan blade 11, so as to calculate and convert the flow speed into the flow speed of the water flow below the liquid level, and transmit the data to the computer data terminal through the wireless transmission module after recording the data.
The top of mount pad 9 be equipped with inserted bar 14, last inserted bar 14 run through horizontal lifter plate 7, last inserted bar 14 in be equipped with joint hole 15, last inserted bar 14 and horizontal lifter plate 7 between link to each other through spiro union board 16, spiro union board 16 run through joint hole 15.
In this embodiment, the upper insert rod 14 is inserted into the mounting seat 9 during the mounting process. In the horizontal lifter plate 7, go up the inserted bar 14 and link to each other through spiro union board 16 between the horizontal lifter plate 7, the spiro union board 16 links to each other through the screw with horizontal lifter plate 7 between, adopts removable structure, and the staff of being convenient for carries out check-out test set and maintenance change, easy operation convenience.
The detachable ultrasonic measuring part 4 comprises a fixing rod 17 arranged in the measuring frame main body 1, an ultrasonic liquid level measurer 18 is arranged on the fixing rod 17, the position of the ultrasonic liquid level measurer 18 corresponds to that of the transverse lifting plate 7, and a plurality of handle holding rods symmetrical along the central line of the ultrasonic liquid level measurer 18 are arranged on the ultrasonic liquid level measurer 18.
In this embodiment, the fixing rod 17 is used for connecting the fixed ultrasonic liquid level measurer 18, the handle grip makes things convenient for the staff to take and adjust the height, sends the ultrasonic wave through the ultrasonic liquid level measurer 18 and detects the water level height at which the transverse lifting plate 7 is located, and the water level is higher, and the velocity of flow is bigger, and the water level is lower, and the velocity of flow is smaller, reaches non-contact flow and tests the speed, and technical personnel in the art should understand, and the ultrasonic liquid level measurer 18 can adopt the ultrasonic measuring device on the market.
As shown in fig. 2, the measuring frame body 1 is provided with a connecting sleeve 19, the fixing rod 17 and the measuring frame body 1 are respectively connected with the connecting sleeve 19 through fastening bolts, and the fastening bolts sequentially penetrate through the connecting sleeve 19 and the measuring frame body 1 and are in butt fit with the fixing rod 17.
In this embodiment, the fixing rod 17 and the measuring frame body 1 are connected with the connecting sleeve 19 through fastening bolts respectively, so that the fixing rod 17 and the ultrasonic liquid level measuring device 18 can be easily and conveniently disassembled and assembled, and the height of the fixing rod 17 and the height of the ultrasonic liquid level measuring device 18 can be conveniently adjusted by a worker.
Referring to fig. 1, a linear driver 20 is arranged in the fixing rod 17, a power shaft of the linear driver 20 is connected with the connecting rod 6 through a plurality of fastening bolts, a signal emitter 21 is arranged on the mounting base 9, and the signal emitter 21 is connected with the ultrasonic liquid level measurer 18 through a wireless transmission module.
In this embodiment, when the height of connecting rod 6 is adjusted to needs, start linear actuator 20 can, degree of automation is higher, need not artifical manual regulation, reduce artifical intensity of labour, link to each other through a plurality of fastening bolt between linear actuator 20's the power shaft and the connecting rod 6, the dismouting is simple and convenient, the staff of being convenient for maintains the change, be located behind the liquid level below when mount pad 9, fixed rotary drum 10 rotates, signal transmission gives signal transmitter 21, signal transmitter 21 sends wireless signal through wireless transmission module and gives ultrasonic wave liquid level caliber 18, reach the purpose of starting ultrasonic wave liquid level caliber 18, intelligent degree is higher.
Referring to fig. 1, the telescopic strut 2 is provided with a limiting anti-falling block 22, the limiting anti-falling block 22 is in sliding fit with the mounting seat 9, and the telescopic strut 2 is connected with the telescopic strut 2 through a plurality of fastening bolts.
In this embodiment, when the lateral position of telescopic branch 2 was adjusted to needs, remove telescopic branch 2, through the sliding fit between spacing anticreep piece 22 and the mount pad 9, played the effect of spacing anticreep to telescopic branch 2 to avoid telescopic branch 2 to take place the angular migration, the displacement accuracy is higher.
Referring to fig. 1 and 6, the float recovery structure 7a includes a plurality of solid foreign matter recovery nets 9a and solid foreign matter recovery and purification assemblies 8a provided behind the measurement frame body 1.
In this embodiment, when needs will be located the solid foreign matter in the open channel, rubbish is retrieved when utilizing, purify subassembly 8a through retrieving the solid foreign matter and open, make solid rubbish retrieve through solid foreign matter and purify subassembly 8a and enter into in the solid foreign matter retrieves net 9a, retrieve the solid rubbish through solid foreign matter recovery net 9a, avoid solid foreign matters such as foam to pile up and influence measurement accuracy in open channel measurement liquid level department, also comparatively environmental protection simultaneously, the staff regularly with the solid foreign matter in the solid foreign matter retrieves net 9a take out the clearance can.
Referring to fig. 1 and 6, the solid foreign matter recycling and purifying assembly 8a includes a plurality of recycling mounting plates 10a disposed on the measuring rack body 1 and symmetrical along the center line of the measuring rack body 1, the recycling mounting plates 10a are provided with two synchronously rotatable opening and closing rotating plates 11a, and the solid foreign matter recycling net 9a is connected with the opening and closing rotating plates 11 a.
In this embodiment, when the solid foreign matter that will be located the open channel, when rubbish is recycled, rotate switching commentaries on classics board 11a, make two switching commentaries on classics form rubbish entrance way between the board 11a, solid rubbish gets into in solid foreign matter retrieves net 9a through rubbish entrance way, retrieve solid rubbish through solid foreign matter retrieves net 9a, avoid solid foreign matters such as foam to pile up and influence measurement accuracy in open channel measurement liquid level department, it is also comparatively environmental protection simultaneously, after solid foreign matter retrieves net 9a fills up solid rubbish, rotate two switching commentaries on classics board 11 to being close to one end each other, close rubbish entrance way, avoid rubbish to spill over from solid foreign matter retrieves net 9a, switching commentaries on classics board 11 is rotated by steering wheel drive, regularly take out rubbish by the staff again, environmental protection.
The solid foreign matter recovery net 9a is provided with a plurality of water through holes 12a, the solid foreign matter recovery net 9a is connected with the opening and closing rotating plate 11a through an elastic rope 13a, and one end of the opening and closing rotating plate 11a, which is far away from the solid foreign matter recovery net 9a, is in an inclined plane shape.
In this embodiment, the solid foreign matter recovery net 9a is provided with a plurality of water through holes 12a to ensure that water flows can circulate through the water through holes 12a after solid waste is intercepted, the elastic rope 13a is used for connecting and fixing the solid foreign matter recovery net 9a, one end of the opening and closing rotating plate 11a, which is far away from the solid foreign matter recovery net 9a, is in an inclined plane shape, and when the two opening and closing rotating plates 11a rotate towards the end close to each other, the two opening and closing rotating plates 11a are closely matched, so that the closing effect is good.
It is shown in combination with fig. 6 that retrieve a mounting panel 10a and measure and link to each other through connecting plate 14a between the frame main part 1, measure and be equipped with a plurality of guide blocks 15a along the symmetry of measuring frame main part 1 central line on the frame main part 1, guide block 15a and switching commentaries on classics board 11a between be equipped with and prevent stifled plate spare 16a that pushes away, prevent stifled plate spare 16a that pushes away and can follow horizontal direction straight reciprocating motion.
In this embodiment, the connecting plate 14a is used to connect the recovery member mounting plate 10a, and plays a role in connection, when the open channel water flows, the guide block 15a can pour the solid waste into between the two opening/closing rotating plates 11a, after the solid waste is recovered for a long time, the solid waste is easily blocked between the guide block 15a and the opening/closing rotating plates 11a, and at this time, the solid waste located between the guide block 15a and the opening/closing rotating plates 11a is pushed out by moving the anti-blocking push plate 16a, so as to avoid blocking and mechanical failure.
The anti-blocking pushing plate 16a comprises a displacement pushing plate 17a arranged between a guide block 15a and an opening and closing rotating plate 11a, and the guide block 15a and the recovery part mounting plate 10a are respectively matched with the displacement pushing plate 17 in a clinging manner.
In this embodiment, when the solid waste between the guide block 15a and the opening/closing rotating plate 11a needs to be pushed out, the displacement pushing plate 17a is pushed out, so as to dredge the solid waste.
Referring to fig. 6, the measuring rack body 1 is provided with a plurality of push plate linear drivers 18a symmetrical along the center line of the measuring rack body 1, the power shaft of the push plate linear driver 1a8 is connected with the displacement push plate 17a, and the push plate linear driver 18a is sleeved with a waterproof shell 19a.
In this embodiment, when the displacement push plate 17a needs to be moved, the push plate linear driver 18a is started, the power shaft of the push plate linear driver 18a drives the displacement push plate 17a to move, the waterproof case 19a plays a waterproof role, and river water can be prevented from being in direct contact with the push plate linear driver 18 a.
As shown in fig. 6, one end of the guide block 15a, which is far away from the displacement push plate 17a, is inclined, a limiting sliding groove 20a is arranged in the guide block 15a, a limiting block 21a extending into the limiting sliding groove 20a is arranged on the displacement push plate 17a, the limiting block 21a is connected with the displacement push plate 17a through a butting sliding plate 22a, and the limiting block 21a is in sliding fit with the limiting sliding groove 20 a.
In this embodiment, guide block 15a keeps away from displacement push pedal 17a one end and is the inclined plane form, good guide effect has, can avoid solid rubbish to stop the jam on guide block 15a, when displacement push pedal 17a removes the in-process, through the sliding fit between stopper 21a and the spacing spout 20a, can avoid displacement push pedal 17a to take place the angular migration at the removal in-process, the accuracy of displacement push pedal 17a displacement has been improved, displacement push pedal 17a can be ensured at the removal in-process to butt slide 22a, solid rubbish can not enter into to guide block 15a and retrieve in the space between the mounting panel 10a, play and block the effect of rubbish.
Referring to fig. 1 and 5, the anti-winding cutting structure 6a includes a plurality of underwater lateral translation seats 60a disposed in the open channel structure 100, the underwater lateral translation seats 60a are provided with a plurality of parallel float grass cutting wheels 61a, the float grass cutting wheels 61a are coaxially disposed, the underwater lateral translation seats 60a are provided with cutting wheel driving motors 62a, the rotation shafts of the cutting wheel driving motors 62a are connected with the float grass cutting wheels 61a, the float grass cutting wheels 61a are located in front of the lifting open channel flow measurement assembly 5, the open channel structure 100 is provided with translation seat linear drivers 63a, and the translation seat linear drivers 63a are connected with the underwater lateral translation seats 60 a.
In this embodiment, be equipped with camera or sensor identification module on the lateral part translation seat 60a under water, link to each other with translation seat linear actuator 63a, when discovering that the aquatic debris such as present pasture and water flows out on the open channel, start translation seat linear actuator 63a, drive lateral part translation seat 60a under water to being close to open channel center one side and remove through translation seat linear actuator 63a, drive pasture and water cutting wheel 61a in step and remove, cut the pasture and water that lies in over-and-under type open channel flow measurement subassembly 5 the place ahead through pasture and water cutting wheel 61a, avoid debris winding to over-and-under type open channel flow measurement subassembly 5 department, influence measurement accuracy, when not needing the cutting, pasture and water cutting wheel 61a is located the open channel inboard, twine to over-and under-and-under type open channel flow measurement subassembly 5 dislocation set with debris, avoid influencing the flow measurement accuracy.
The working principle of the invention is as follows:
in the using process, the measuring rack main body 1 is placed above the open channel, the telescopic supporting rod 2 is fixed after being stretched to a proper width, so that the open channel fixing base 3 and the open channel building structure 100 are fixed through screws, the measuring position is convenient to adjust,
the fixed rod 17 is used for connecting and fixing the ultrasonic liquid level measurer 18, the holding rod of the handle is convenient for a worker to take and adjust the height, the fixed rod 17 and the measuring frame main body 1 are respectively connected with the connecting sleeve 19 through the fastening bolt, the assembly and the disassembly are simple and convenient, the worker can conveniently adjust the height of the fixed rod 17 and the ultrasonic liquid level measurer 18,
the connecting rod 6 is used for connecting and fixing the transverse lifting plate 7, the transverse lifting plate 7 is lifted to the open channel liquid level during measurement, the fixed rotary drum 10 and the speed measuring fan blade 11 are submerged under the liquid level, the transverse lifting plate 7 is exposed on the liquid level, the ultrasonic liquid level measurer 18 sends ultrasonic waves to detect the water level height of the transverse lifting plate 7, the higher the water level is, the higher the flow speed is, the lower the water level is, the smaller the flow speed is, the non-contact type flow speed measurement is achieved, meanwhile, the fixed rotary drum 10 and the speed measuring fan blade 11 are in contact with water flow, contact type flow speed measurement is adopted, the non-contact type and contact type speed measurement are combined, the measurement precision of the irrigation open channel flow is higher, the influence on measurement data due to splashed liquid and fluctuation of the liquid level is avoided, the measurement error is reduced, the device is suitable for different liquid levels, and has strong practicability,
the mounting base 9 is used for mounting the fixed rotary drum 10 and the speed measuring fan blade 11, during the measurement process, the fixed rotary drum 10 and the speed measuring fan blade 11 are positioned below the liquid level, the fixed rotary drum 10 and the speed measuring fan blade 11 are driven to rotate by impacting the fixed rotary drum 10 and the speed measuring fan blade 11 through water flow, the contact type irrigation open channel flow measurement is completed,
the mounting base 9 is provided with a downward opening and a front-back penetrating arrangement, so that the water flow is convenient to contact with the fixed rotary drum 10 and the speed measuring fan blade 11, the rotary drum speed measuring piece 12 is used for measuring the rotating speed of the fixed rotary drum 10 and the speed measuring fan blade 11, and the rotating speed is converted into the flow speed of the water flow below the liquid level,
the rotating drum rotating speed measurer 13 is used for measuring the rotating speeds of the fixed rotating drum 10 and the speed measuring fan blade 11, converting the rotating speeds into the flow speed of water flow below the liquid level, transmitting the data to the computer data end through the wireless transmission module after recording the data,
during mounting of the mounting 9, the upper plugging rod 14 is inserted into. In the transverse lifting plate 7, the upper inserted link 14 is connected with the transverse lifting plate 7 through the screw connecting plate 16, the screw connecting plate 16 is connected with the transverse lifting plate 7 through the screw, the detachable structure is adopted, the inspection equipment and the maintenance and replacement are convenient for the working personnel, the operation is simple and convenient,
when the height of the connecting rod 6 needs to be adjusted, the linear driver 20 is started, the automation degree is high, manual adjustment is not needed, the labor intensity of workers is reduced, the power shaft of the linear driver 20 is connected with the connecting rod 6 through a plurality of fastening bolts, the assembly and disassembly are simple and convenient, and the maintenance and the replacement are convenient for workers, when the mounting seat 9 is positioned below the liquid level, the fixed rotary drum 10 rotates to transmit signals to the signal transmitter 21, the signal transmitter 21 transmits wireless signals to the ultrasonic liquid level measurer 18 through the wireless transmission module, the purpose of starting the ultrasonic liquid level measurer 18 is achieved, the intelligent degree is high,
when the transverse position of the telescopic supporting rod 2 needs to be adjusted, the telescopic supporting rod 2 is moved, the limiting and anti-falling function is realized on the telescopic supporting rod 2 through the sliding fit between the limiting and anti-falling block 22 and the mounting seat 9, the telescopic supporting rod 2 is prevented from angular deviation, the displacement accuracy is higher,
the underwater lateral translation seat 60a is provided with a camera or a sensor recognition module and is connected with a translation seat linear driver 63a, when underwater sundries such as aquatic weeds and the like flow out of the open channel, the translation seat linear driver 63a is started, the translation seat linear driver 63a drives the underwater lateral translation seat 60a to move towards one side close to the center of the open channel, and synchronously drives a aquatic weed cutting wheel 61a to move, the aquatic weeds in front of the lifting open channel flow measurement assembly 5 are cut through the aquatic weed cutting wheel 61a, so that the sundries are prevented from being wound to the lifting open channel flow measurement assembly 5 to influence the measurement precision, when the aquatic weeds do not need to be cut, the aquatic weed cutting wheel 61a is positioned at the inner side of the open channel and is staggered with the sundries to the lifting open channel flow measurement assembly 5 to avoid influencing the flow measurement precision,
when solid foreign matters and garbage in the open channel need to be recycled, the opening and closing rotating plates 11a are rotated to form a garbage inlet channel between the two opening and closing rotating plates 11a, the solid garbage enters the solid foreign matter recycling net 9a through the garbage inlet channel, the solid garbage is recycled through the solid foreign matter recycling net 9a, the phenomenon that solid foreign matters such as foam and the like are accumulated at the position of the open channel measuring liquid level to influence the measuring precision is avoided, meanwhile, the environment is protected, when the solid foreign matter recycling net 9a is filled with the solid garbage, the two opening and closing rotating plates 11 are rotated towards one end close to each other, the garbage inlet channel is closed, the garbage is prevented from overflowing from the solid foreign matter recycling net 9a, the opening and closing rotating plates 11 are driven by a steering engine to rotate, and then workers take out the garbage regularly, so that the environment is protected,
the solid foreign matter recycling net 9a is provided with a plurality of water through holes 12a to ensure that water flows can circulate from the water through holes 12a after solid garbage is intercepted, the elastic rope 13a is used for connecting and fixing the solid foreign matter recycling net 9a, one end of the opening and closing rotating plate 11a far away from the solid foreign matter recycling net 9a is in an inclined plane shape, when the two opening and closing rotating plates 11a rotate towards the end close to each other, the two opening and closing rotating plates 11a are closely matched, the closing effect is good,
the connecting plate 14a is used for connecting the recovery member mounting plate 10a, and plays a role in connection, when the open channel water flows, the guide block 15a can pour the solid garbage between the two opening and closing rotating plates 11a, after the solid garbage is recovered for a long time, the solid garbage is easily blocked between the guide block 15a and the opening and closing rotating plates 11a, at the moment, the solid garbage between the guide block 15a and the opening and closing rotating plates 11a is pushed out by moving the anti-blocking push plate 16a, so that the blockage and the mechanical failure are avoided,
when the solid garbage between the guide block 15a and the opening and closing rotating plate 11a needs to be pushed out, the displacement push plate 17a is pushed out to play a role of dredging,
when the displacement push plate 17a needs to be moved, the push plate linear driver 18a is started, the power shaft of the push plate linear driver 18a drives the displacement push plate 17a to move, the waterproof shell 19a plays a waterproof role, river water can be prevented from being directly contacted with the push plate linear driver 18a,
guide block 15a keeps away from displacement push pedal 17a one end and is the inclined plane form, good guide effect has, can avoid solid rubbish to stop the jam on guide block 15a, move the in-process when displacement push pedal 17a, through the sliding fit between stopper 21a and the spacing spout 20a, can avoid displacement push pedal 17a to take place the angular migration at the removal in-process, the accuracy of displacement push pedal 17a displacement has been improved, displacement push pedal 17a can be ensured at the removal in-process to butt slide 22a, solid rubbish can not enter into to guide block 15a and retrieve in the space between the mounting panel 10a, play the effect that blocks rubbish.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit of the invention.
Although the measuring rack main body 1, the telescopic strut 2, the open channel fixing base 3, the detachable ultrasonic measuring device 4, the elevating open channel flow measuring assembly 5, the connecting rod 6, the horizontal elevating plate 7, the contact water flow measuring device 8, the mounting seat 9, the drum 10, the speed measuring fan blade 11, the drum speed measuring device 12, the drum rotation speed measuring device 13, the upper insertion rod 14, the snap-in hole 15, the screw plate 16, the fixing rod 17, the ultrasonic liquid level measuring device 18, the connecting sleeve 19, the linear driver 20, the signal transmitter 21, the limit anti-drop block 22, the depth measuring rod 23, the solid foreign matter recycling and purifying assembly 8a, the solid foreign matter recycling net 9a, the recycling piece mounting plate 10a, the opening and closing rotating plate 11a, the water through hole 12a, the elastic rope 13a, the connecting plate 14a, the guide block 15a, the anti-blocking push plate 16a, the displacement push plate 17a, the linear driver 18a, the waterproof case 19a, the limit chute 20a, the limit block 21a, the lateral underwater translation seat 60a, the grass cutting wheel 61a, the cutting wheel driving motor 62a, the translation seat linear driver 63a, the open channel body 101 a, the solar photovoltaic power supply structure 100, the photovoltaic panel 102, and the like are frequently used herein. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.
Claims (10)
1. The utility model provides a low-cost irrigation open channel flow measuring device, includes measuring rack main part (1), its characterized in that, measuring rack main part (1) on be equipped with a plurality of telescopic branch (2) along measuring rack main part (1) central line symmetry, telescopic branch (2) and measuring rack main part (1) looks sliding fit, telescopic branch (2) bottom be equipped with open channel unable adjustment base (3), open channel unable adjustment base (3) fixed with open channel structure (100), measuring rack main part (1) in be equipped with removable ultrasonic measurement spare (4), removable ultrasonic measurement spare (4) below be equipped with open channel flow measuring assembly (5), over-and-under type open channel flow measuring assembly (5) and the crisscross setting of open channel unable adjustment base (3).
2. The low-cost irrigation open channel flow measuring device according to claim 1, wherein the lifting open channel flow measuring assembly (5) comprises a connecting rod (6) arranged below the detachable ultrasonic measuring piece (4), a transverse lifting plate (7) is arranged on the connecting rod (6), the transverse lifting plate (7) corresponds to the detachable ultrasonic measuring piece (4), a contact type water flow measuring piece (8) is arranged at the bottom of the transverse lifting plate (7), an anti-winding cutting structure (6 a) capable of performing reciprocating linear motion in the horizontal direction is arranged in the open channel building body structure (100), the anti-winding cutting structure (6 a) corresponds to the lifting open channel flow measuring assembly (5), a floating object recovery structure (7 a) is arranged on the measuring frame main body (1), the floating object recovery structure (7 a) is positioned behind the lifting open channel flow measuring assembly (5), and a solar power supply structure (101) is further arranged on the measuring frame main body (1).
3. A low cost open channel flow meter according to claim 2, wherein said contact type water flow measuring member (8) comprises a plurality of mounting seats (9) disposed at the bottom of the lateral elevating plate (7), a rotatable drum (10) is disposed in said mounting seats (9), and a plurality of speed measuring fan blades (11) are disposed on said drum (10) and distributed in an annular array along the center point of the drum (10).
4. A low cost irrigation open channel flow measuring device according to claim 3, wherein the mounting base (9) is provided with a downward opening and is arranged to penetrate through the front and the back, the mounting base (9) is provided with a rotary drum speed measuring piece (12), and the rotary drum speed measuring piece (12) is connected with the rotary drum (10).
5. The low-cost irrigation open channel flow measuring device according to claim 4, wherein the drum speed measuring device (12) comprises a drum rotating speed measuring device (13) arranged on the mounting seat (9), the drum rotating speed measuring device (13) is connected with the drum (10), and a wireless transmission module is arranged in the drum rotating speed measuring device (13).
6. A low-cost open channel flow measuring device for irrigation according to claim 5, characterized in that an upper insert rod (14) is arranged at the top of the mounting seat (9), the upper insert rod (14) penetrates through the transverse lifting plate (7), a clamping hole (15) is formed in the upper insert rod (14), the upper insert rod (14) is connected with the transverse lifting plate (7) through a threaded plate (16), and the threaded plate (16) penetrates through the clamping hole (15).
7. The low-cost irrigation open channel flow measuring device according to claim 6, wherein the detachable ultrasonic measuring element (4) comprises a fixing rod (17) arranged in the measuring frame main body (1), an ultrasonic liquid level measurer (18) is arranged on the fixing rod (17), the ultrasonic liquid level measurer (18) corresponds to the transverse lifting plate (7), and a plurality of handle holding rods symmetrical along the central line of the ultrasonic liquid level measurer (18) are arranged on the ultrasonic liquid level measurer (18).
8. The low-cost irrigation open channel flow measuring device according to claim 7, wherein a connecting sleeve (19) is arranged on the measuring frame main body (1), the fixing rod (17) and the measuring frame main body (1) are respectively connected with the connecting sleeve (19) through fastening bolts, the fastening bolts sequentially penetrate through the connecting sleeve (19) and the measuring frame main body (1) and are in butt fit with the fixing rod (17).
9. The low-cost irrigation open channel flow measuring device according to claim 8, wherein a linear driver (20) is arranged in the fixing rod (17), a power shaft of the linear driver (20) is connected with the connecting rod (6) through a plurality of fastening bolts, a signal emitter (21) is arranged on the mounting seat (9), and the signal emitter (21) is connected with the ultrasonic liquid level measurer (18) through a wireless transmission module.
10. The low-cost irrigation open channel flow measuring device according to claim 9, wherein the telescopic supporting rod (2) is provided with a limiting anti-drop block (22), the limiting anti-drop block (22) is in sliding fit with the mounting seat (9), and the telescopic supporting rod (2) is connected with the telescopic supporting rod (2) through a plurality of fastening bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210792733.8A CN115235556A (en) | 2022-07-05 | 2022-07-05 | Low-cost irrigation open channel flow measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210792733.8A CN115235556A (en) | 2022-07-05 | 2022-07-05 | Low-cost irrigation open channel flow measuring device |
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| Publication Number | Publication Date |
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| CN115235556A true CN115235556A (en) | 2022-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210792733.8A Withdrawn CN115235556A (en) | 2022-07-05 | 2022-07-05 | Low-cost irrigation open channel flow measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115574874A (en) * | 2022-11-21 | 2023-01-06 | 江苏水科尚禹能源技术研究院有限公司 | High-precision turbine flowmeter |
-
2022
- 2022-07-05 CN CN202210792733.8A patent/CN115235556A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115574874A (en) * | 2022-11-21 | 2023-01-06 | 江苏水科尚禹能源技术研究院有限公司 | High-precision turbine flowmeter |
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Application publication date: 20221025 |