CN204346512U - The device that a kind of final stage canal capacity is measured - Google Patents
The device that a kind of final stage canal capacity is measured Download PDFInfo
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- CN204346512U CN204346512U CN201520057271.0U CN201520057271U CN204346512U CN 204346512 U CN204346512 U CN 204346512U CN 201520057271 U CN201520057271 U CN 201520057271U CN 204346512 U CN204346512 U CN 204346512U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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Abstract
The utility model relates to the device that a kind of final stage canal capacity is measured, and belongs to agricultural irrigation flow metering technical field.Technical scheme is: comprise main pipeline (1), pressure transducer and monitoring terminal (3), pressure transducer quantity is two, and coupling is arranged in the both sides of main pipeline (1) respectively, and the output terminal of pressure transducer connects monitoring terminal (3); The pressure point of two pressure transducers on main pipeline, direction is contrary; One is tilted towards the inflow direction in main pipeline, the inflow direction in another main pipeline dorsad of tilting; Described monitoring terminal comprises single-chip microcomputer (6), lithium battery (7), remote communication module (8) and radio-frequency communication module (9).The utility model carries out continuous automatic flow monitoring at the final stage channel in field, raises the efficiency and measurement accuracy; The agricultural irrigation flow metering under low discharge, low flow velocity can be realized, solve " metering of agricultural irrigation last one kilometer " problem, reach using water wisely effect.
Description
Technical field
The utility model relates to the device that a kind of final stage canal capacity is measured, and belongs to agricultural irrigation flow metering technical field.
Background technology
Current agricultural production is no longer lived at the mercy of the elements, but protect good harvest by irrigating, channel for what surface water was caused field, what be made up of big and small channel is canal system, by the size of canal section, descending sequence is: trunk canal, branch canal, lateral canal, final stage canal, surface water distributes to many branch canal from a trunk canal, article one, many lateral canals distributed to by branch canal, article one, many final stage canals distributed to by lateral canal, the final stage canal of canal system least significant end is in field, quantity is many, flow is little, flow velocity is slow, be and the place with water peasant household meterage, but, there is no desirable at present, cheap water consumption measurement product, all that staff adopts hand-held rotating plasma flowmeter, come field manual measurement, efficiency is low, poor accuracy, can not measure continuously.
Utility model content
The utility model object is to provide the device that a kind of final stage canal capacity is measured, and carries out continuous automatic flow monitoring, raise the efficiency and measurement accuracy at the final stage channel in field, solves Problems existing in background technology.
The technical solution of the utility model is:
The device that final stage canal capacity is measured, comprise main pipeline, pressure transducer and monitoring terminal, pressure transducer quantity is two, and coupling is arranged in the both sides of main pipeline respectively, and the output terminal of pressure transducer connects monitoring terminal; The pressure point of two pressure transducers on main pipeline, direction is contrary; One is tilted towards the inflow direction in main pipeline, the inflow direction in another main pipeline dorsad of tilting; Described main pipeline is the pipeline with more than one S type warp architecture, and the pressure point of two pressure transducers on main pipeline is separately positioned on the corresponding inner side and outer side of main pipeline bending point.
Such as: described main pipeline, for the pipeline with two S type warp architectures, the overall V-shaped structure of main pipeline, the bending point of V-structure is positioned at V-structure bottom apex, the pressure point of two pressure transducers on main pipeline is separately positioned on the corresponding inner side and outer side of main pipeline V-structure bottom apex, and namely the pressure Point matching of pressure transducer is in the middle part in main pipeline knee.
Described monitoring terminal comprises single-chip microcomputer, lithium battery, remote communication module and radio-frequency communication module, and lithium battery, remote communication module, radio-frequency communication module are connected with single-chip microcomputer respectively with two pressure transducers.
Described pressure transducer is digital absolute pressure sensor.
Pressure point in main pipeline both sides, be respectively equipped with force pipe and be communicated with pressure point, pressure transducer is arranged on force pipe top, takes from the pressure of main pipeline bending point inner side and outer side, causes pressure transducer by force pipe.The bottommost of force pipe, lower than the position, junction of force pipe and pressure point entrance.
Blowoff valve can be provided with bottom described force pipe.Pressure tube wall between pressure point and pressure transducer is also provided with retaining valve, and one end of retaining valve is communicated with force pipe, other end coupling inflator.
Main pipeline described in the utility model, pressure transducer, force pipe, single-chip microcomputer, radio-frequency communication module, remote communication module and lithium battery etc. are visible known technology on the market, can buy or assemble voluntarily according to functional requirement in market.
Innovative point of the present utility model is the arrangement of main pipeline and sensor, do not relate to computer software, the single-chip microcomputer in monitoring terminal is the product that market is bought, and effect is sensor-lodging, calculate flow, and control radio-frequency communication module, remote communication module transmission and receive data.
Be embedded in by the utility model between lateral canal and final stage canal, the two ends of main pipeline are communicated with final stage canal with lateral canal respectively, and lateral canal and main pipeline junction are water inlet, and final stage canal and main pipeline junction are water delivering orifice; Be provided with flashboard at water inlet, anhydrous in final stage canal when flashboard closes, need to open flashboard when irrigating, the irrigation water in lateral canal flows into final stage canal after described device; When current are through described device, pressure transducer pressure point due to both sides in main pipeline is respectively towards water and the water dorsad that tilts, learn that the force value of two pressure transducers can be different by hydromechanical jet effect, namely produce pressure reduction, the pressure difference according to two pressure transducers calculates flow.
In order to increase pressure difference, to improve measuring accuracy, main pipeline is the pipeline with more than one S type warp architecture, and by the pressure transducer of both sides coupling in the knee of main pipeline.
Flow wrong report in order to avoid the error that causes because pressure at both sides sensor characteristic is inconsistent thus under causing anhydrous condition, need first to carry out differential pressure calibration: block main pipeline two ends, when the water flooding pressure point entrance injected in main pipeline, now there is water in main pipeline, but flow velocity is zero, adjustment monitoring terminal, make the output of two pressure transducers equal, detected pressure difference is zero.
For convenience of now burial and construction and maintenance, mate the pressure transducer in main pipeline both sides respectively, monitoring terminal can be connected to wirelessly.
The utility model can also be used for the little channel flow metering of high flow rate, and when high flow rate, flow metering precision can be higher.
Due to the pressure transducer present position of main pipeline both sides, there is similar atmospheric pressure, similar environment temperature, identical measuring media (irrigation water), various influence factor (environment temperature, Media density, atmospheric pressure) is identical to two pressure transducer effects, therefore without the need to compensating; So the utility model adopts digital absolute pressure sensor, high precision, small-range, low cost, reduce the overall manufacturing cost of described device.
Pressure point in main pipeline both sides, be respectively equipped with force pipe and be communicated with pressure point, pressure transducer is arranged on force pipe top, takes from the pressure of main pipeline bending point inner side and outer side, causes pressure transducer by force pipe; The bottom of force pipe is lower than the entrance that force pipe is connected with pressure point; Therefore, the bubble in irrigation water not easily enters force pipe, thus ensures air capacity constantization in force pipe, also just ensure that the stable of the pressure difference detected by pressure transducer, also just ensure that measuring accuracy.
The utility model pressure transducer sampling spot coupling in the middle part in the knee of main pipeline, its benefit is: the part sedimentation in irrigation water in the bottom of main pipeline, the not easily pressure point entrance of silting force pipe.
Pressure tube wall between pressure point and pressure transducer is also provided with retaining valve, and one end of retaining valve is communicated with force pipe, other end coupling inflator; Just in case the pressure point entrance of force pipe, by silt silting, can utilize inflator to be ejected in force pipe by silting silt, thus realize desilting, ensure that the air capacity in pressure at both sides pipe is equal simultaneously.
Be provided with blowoff valve bottom described force pipe, when blowoff valve is opened, the mud bottom force pipe can be got rid of from blowoff valve.
Good effect of the present utility model: carry out continuous automatic flow monitoring at the final stage channel in field, raise the efficiency and measurement accuracy; Utilize hydromechanical jet effect, by adjust pressure transducer pressure point towards, change pressure introduce angle, improve the flow detection precision under low flow velocity; Due to main pipeline both sides pressure transducer at similar atmospheric pressure, similar environment temperature, identical measuring media (irrigation water), therefore have employed the digital absolute pressure sensor of high precision, low cost, because various influence factor (environment temperature, Media density, atmospheric pressure) is identical to two pressure transducer effects, therefore without the need to compensating, reduce further cost.The utility model can realize the agricultural irrigation flow metering under low discharge, low flow velocity, solves " metering of agricultural irrigation last one kilometer " problem, reaches using water wisely effect, have good social benefit.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment schematic diagram;
Fig. 2 is the utility model embodiment monitoring terminal structural representation;
Fig. 3 is the main pipeline structural representation of the utility model embodiment one;
Fig. 4 is the main pipeline structural representation of the utility model embodiment two;
In figure: main pipeline 1, pressure transducer 1, monitoring terminal 3, inside pressure pipe 4, retaining valve 5, single-chip microcomputer 6, lithium battery 7, remote communication module 8, radio-frequency communication module 9, pressure point entrance 10, pressure transducer 2 11, cable 12, water (flow) direction 13, outside pressure pipe 14, S type warp architecture 15, V-structure 16, blowoff valve 17.
Embodiment
Below in conjunction with accompanying drawing, by embodiment, the utility model is described further.
The device that final stage canal capacity is measured, comprise main pipeline 1, pressure transducer and monitoring terminal 3, pressure transducer quantity is two, and coupling is arranged in the both sides of main pipeline respectively, and the output terminal of pressure transducer connects monitoring terminal.
The pressure point of two pressure transducers on main pipeline, direction is contrary; One is tilted towards the inflow direction in main pipeline, the inflow direction in another main pipeline dorsad of tilting; Described main pipeline is the pipeline with more than one S type warp architecture, and the pressure point of two pressure transducers on main pipeline is separately positioned on the corresponding inner side and outer side of main pipeline bending point.
Described monitoring terminal comprises single-chip microcomputer 6, lithium battery 7, remote communication module 8 and radio-frequency communication module 9, and lithium battery, remote communication module, radio-frequency communication module are connected with single-chip microcomputer respectively with two pressure transducers.
Embodiment one, with reference to accompanying drawing 1,2,3, described main pipeline 1 is the pipeline with a S type warp architecture 15, and the pressure point of two pressure transducers on main pipeline is separately positioned on the corresponding inner side and outer side of main pipeline bending point; Pressure point in main pipeline both sides, be respectively equipped with force pipe to be communicated with pressure point, two force pipes are inside pressure pipe 4 and outside pressure pipe 14 respectively, two pressure transducers are respectively pressure transducer 1 and pressure transducer 2 11, pressure transducer 1 mates inside pressure pipe 4, and pressure transducer 2 11 mates outside pressure pipe 14; Take from the pressure of main pipeline bending point inner side and outer side, cause pressure transducer one respectively by inside pressure pipe, outside pressure pipe causes pressure transducer two.
Embodiment two, with reference to accompanying drawing 1,2,4, described main pipeline 1, for the pipeline with two S type warp architectures, the overall V-shaped structure 16 of main pipeline, the bending point of V-structure is positioned at V-structure bottom apex, and the pressure point of two pressure transducers on main pipeline is separately positioned on the corresponding inner side and outer side of main pipeline V-structure bottom apex, and namely the pressure Point matching of pressure transducer is in the middle part in main pipeline knee.Pressure point in main pipeline both sides, be respectively equipped with force pipe to be communicated with pressure point, two force pipes are inside pressure pipe 4 and outside pressure pipe 14 respectively, two pressure transducers are respectively pressure transducer 1 and pressure transducer 2 11, pressure transducer 1 mates inside pressure pipe 4, and pressure transducer 2 11 mates outside pressure pipe 14; Take from the pressure of main pipeline bending point inner side and outer side, cause pressure transducer one respectively by inside pressure pipe, outside pressure pipe causes pressure transducer two.
Described pressure transducer is digital absolute pressure sensor.
Blowoff valve 17 is provided with bottom described force pipe.Pressure tube wall between pressure point and pressure transducer is also provided with retaining valve 5, and one end of retaining valve is communicated with force pipe, other end coupling inflator.
Described radio-frequency communication module can be: 2.4G, 433M, bluetooth, WIFI, ZIGBEE or communication distance are less than the wireless communication networks etc. of the other types of 1KM.
Described remote communication module can be: wireless public network or communication distance are not less than the wireless communication networks of the other types of 1KM.
Claims (8)
1. the device of a final stage canal capacity measurement, it is characterized in that: comprise main pipeline (1), pressure transducer and monitoring terminal (3), pressure transducer quantity is two, be respectively pressure transducer one (2) and pressure transducer two (11), two pressure transducers mate the both sides being arranged in main pipeline respectively, and the output terminal of pressure transducer connects monitoring terminal;
The pressure point of two pressure transducers on main pipeline, direction is contrary; One is tilted towards the inflow direction in main pipeline, the inflow direction in another main pipeline dorsad of tilting; Described main pipeline is the pipeline with more than one S type warp architecture, and the pressure point of two pressure transducers on main pipeline is separately positioned on the corresponding inner side and outer side of main pipeline bending point.
2. the device of a kind of final stage canal capacity measurement according to claim 1, it is characterized in that: described monitoring terminal comprises single-chip microcomputer (6), lithium battery (7), remote communication module (8) and radio-frequency communication module (9), and lithium battery, remote communication module, radio-frequency communication module are connected with single-chip microcomputer respectively with two pressure transducers.
3. the device of a kind of final stage canal capacity measurement according to claim 1 and 2, is characterized in that: described pressure transducer is digital absolute pressure sensor.
4. the device of a kind of final stage canal capacity measurement according to claim 1 and 2, it is characterized in that: the pressure point in main pipeline both sides, be respectively equipped with force pipe and be communicated with pressure point, pressure transducer is arranged on force pipe top.
5. the device measured of a kind of final stage canal capacity according to claim 4, is characterized in that: the bottommost of force pipe, lower than the position, junction of force pipe and pressure point entrance; Blowoff valve (17) is provided with bottom described force pipe; Pressure tube wall between pressure point and pressure transducer is also provided with retaining valve (5), one end of retaining valve is communicated with force pipe.
6. the device of a kind of final stage canal capacity measurement according to claim 4, it is characterized in that: described main pipeline (1), for the pipeline with a S type warp architecture (15), the pressure point of two pressure transducers on main pipeline is separately positioned on the corresponding inner side and outer side of main pipeline bending point; Pressure point in main pipeline both sides, be respectively equipped with force pipe to be communicated with pressure point, two force pipes are inside pressure pipe (4) and outside pressure pipe (14) respectively, and pressure transducer one (2) mates inside pressure pipe (4), and pressure transducer two (11) mates outside pressure pipe (14).
7. the device of a kind of final stage canal capacity measurement according to claim 4, it is characterized in that: described main pipeline (1), for the pipeline with two S type warp architectures, the overall V-shaped structure (16) of main pipeline, the bending point of V-structure is positioned at V-structure bottom apex, the pressure point of two pressure transducers on main pipeline is separately positioned on the corresponding inner side and outer side of main pipeline V-structure bottom apex, and namely the pressure Point matching of pressure transducer is in the middle part in main pipeline knee; Pressure point in main pipeline both sides, be respectively equipped with force pipe to be communicated with pressure point, two force pipes are inside pressure pipe (4) and outside pressure pipe (14) respectively, and pressure transducer one (2) mates inside pressure pipe (4), and pressure transducer two (11) mates outside pressure pipe (14).
8. the device of a kind of final stage canal capacity measurement according to claim 1 and 2, is characterized in that: mate the pressure transducer in main pipeline both sides respectively, wirelessly connect monitoring terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520057271.0U CN204346512U (en) | 2015-01-28 | 2015-01-28 | The device that a kind of final stage canal capacity is measured |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520057271.0U CN204346512U (en) | 2015-01-28 | 2015-01-28 | The device that a kind of final stage canal capacity is measured |
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| Publication Number | Publication Date |
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| CN204346512U true CN204346512U (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520057271.0U Expired - Fee Related CN204346512U (en) | 2015-01-28 | 2015-01-28 | The device that a kind of final stage canal capacity is measured |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114894347A (en) * | 2022-04-22 | 2022-08-12 | 国网江苏省电力有限公司无锡供电分公司 | Cable laying side pressure detection device and method for wireless communication |
-
2015
- 2015-01-28 CN CN201520057271.0U patent/CN204346512U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114894347A (en) * | 2022-04-22 | 2022-08-12 | 国网江苏省电力有限公司无锡供电分公司 | Cable laying side pressure detection device and method for wireless communication |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20220128 |