CN203981228U - A kind of positive displacement slope runoff counting flowmeter - Google Patents
A kind of positive displacement slope runoff counting flowmeter Download PDFInfo
- Publication number
- CN203981228U CN203981228U CN201420400163.4U CN201420400163U CN203981228U CN 203981228 U CN203981228 U CN 203981228U CN 201420400163 U CN201420400163 U CN 201420400163U CN 203981228 U CN203981228 U CN 203981228U
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- positive displacement
- slope runoff
- displacement slope
- casing
- case lid
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Abstract
The utility model relates to a kind of positive displacement slope runoff counting flowmeter, comprise casing and case lid, in described casing, volumetric measuring device is installed, described volumetric measuring device includes a plurality of Storage water tanks arranged side by side, each Storage water tank is all provided with water level switch, each Storage water tank bottom is communicated to the freeing port of stretching out bottom half outside by drainpipe respectively, on described drainpipe, draining valve is installed; In described case lid, be provided with into water distributor, described water inlet distributor is comprised of electromagnet, slide bar and slide block, described electromagnet promotes slide block by forward and reverse conducting and moves left and right along slide bar, is inserted with and selects a penstock to Storage water tank water inlet on described slide block; Described electromagnet and water level switch are all electrically connected to the control device in control box.This positive displacement slope runoff counting flowmeter is simple and compact for structure, stable and reliable operation and metering precision high, be specially adapted to have in medium the flow measurement of little particle or impurity.
Description
Technical field
The utility model relates to measurement of fluid flow field, particularly a kind of positive displacement slope runoff counting flowmeter.
Background technology
The automatic measurement of natural slope runoff flow is the difficult point of current field survey problem.For the slope runoff hydrology detection technique without hydraulic pressure, low discharge, low water head, high silt, also develop slower.At present, the observation of field slope runoff flow mainly adopts water leg to coordinate water-level gauge method, flowmeter method and tipping bucket type metering method to measure.
Water leg cooperation water-level gauge method need to arrange water leg and water-level gauge is set in water leg in runoff exit carrys out record.Because water leg is on the spot limited, volume is limited conventionally, therefore easily overflow occurs and cause measuring error season at heavy rain; Not only measure inaccurately, and device volume is large, and being subject to place restriction should not carry, and is not suitable for using not building on standard runoff plots domatic.It is mainly to utilize in water leg, to insert one and carve graduated long chi and carry out measuring height, although this method is very easy, measuring accuracy is too poor, depends on that people's naked eyes remove to see rule completely, and this is very insecure.
Flowmeter method is to adopt existing various noncontact duct type flowmeters directly runoff rate to be detected.Have at present two kinds of noncontact flowmeters can meet the impure requirement of runoff fluid, i.e. electromagnetic flowmeter and ultrasonic flow meter, its cost all very high and run-off little be not enough to be full of measuring channel time error will be very large.In the wild, harsh conditions have very large interference to the variable signal of electromagnetism and ultrasound wave generation.
Tipping bucket type metering method is according to liquid weight, tipping bucket to be stirred, and by recording tipping bucket, stirs number of times and calculates runoff rate.Because the silt content in runoff changes, the run-off weight of same volume is not generally fixed value, so rely on weight to come metered flow error very large.And tipping bucket generally adopts single-point support, stir timer and can significantly vibrate and produce noise, like this intensity and the material of device are just had to higher requirement, cost will improve relatively.
Therefore, prior art is not suitable for the metering of natural runoff flow, and they all exist mostly, and error is large, the affected problem of working, and causes the limitation of its application and popularization.
Utility model content
The drawback of measuring in order to overcome existing runoff rate, the purpose of this utility model is to provide a kind of positive displacement slope runoff counting flowmeter of simple in structure, stable and reliable operation.
To achieve these goals, the technical solution adopted in the utility model is: a kind of positive displacement slope runoff counting flowmeter, comprise casing and case lid, in described casing, volumetric measuring device is installed, described volumetric measuring device includes a plurality of Storage water tanks arranged side by side, each Storage water tank is all provided with water level switch, and each Storage water tank bottom is communicated to the freeing port of stretching out bottom half outside by drainpipe respectively, on described drainpipe, draining valve is installed; In described case lid, be provided with into water distributor, described water inlet distributor is comprised of electromagnet, slide bar and slide block, described electromagnet promotes slide block by forward and reverse conducting and moves left and right along slide bar, is inserted with and selects a penstock to Storage water tank water inlet on described slide block; Described electromagnet and water level switch are all electrically connected to the control device in control box.
Further, described control box is arranged on outside casing or in case lid.
Further, described control device provides electric energy by external power supply or battery.
Further, described control device is electrically connected with IO interface, memory cards, wireless communication module, power module and display module.
Further, described control device is single-chip microcomputer.
Further, the upper and lower releasable connection of described case lid and casing, described water inlet distributor and case lid releasable connection, described volumetric measuring device and casing releasable connection.
Further, described penstock internal diameter is less than drainpipe internal diameter.
Further, the inside pipe wall of described freeing port is provided with some groups for measuring the sensor of runoff fluid sediment charge.
Further, described casing is fixed on vertical plane.
Compare with existing slope runoff flow measurement technology; the utlity model has following advantage: this positive displacement slope runoff counting flowmeter is simple and compact for structure, cooperation is tight, closure is good, stable and reliable operation; contribute to the measurement of field runoff rate; while working, can increase metering precision in the wild; measure the impact that not changed by fluid temperature (F.T.), granularity, density, pressure, viscosity, conductivity etc., be specially adapted to have in medium the flow measurement of little particle or impurity.
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Accompanying drawing explanation
Fig. 1 is that the master of the utility model embodiment looks schematic diagram.
Fig. 2 is the cut-away view of the utility model embodiment.
Fig. 3 is the schematic perspective view of the utility model embodiment.
Fig. 4 is that Fig. 3 removes the structural representation after case lid.
In figure: 1-penstock, 2-slide block, 3-water level switch, 31-the first water level switch, 32-the second water level switch, 4-Storage water tank, 41-the first Storage water tank, 42-the second Storage water tank, 5-draining valve, 51-first row water valve, 52-second row water valve, 6-casing, 7-freeing port, 8-drainpipe, 10-electromagnet, 11-slide bar, 12-case lid, 13-control box, 131-display screen and operation interface.
Embodiment
As shown in Fig. 1 ~ 4, a kind of positive displacement slope runoff counting flowmeter, comprise casing 6 and case lid 12, in described casing 6, volumetric measuring device is installed, described volumetric measuring device includes two Storage water tanks arranged side by side 4, each Storage water tank 4 is all provided with water level switch 3, and each Storage water tank 4 bottoms are communicated to the freeing port 7 of stretching out casing 6 bottom outside by drainpipe 8 respectively, on described drainpipe 8, draining valve 5 are installed; In described case lid 12, be provided with into water distributor, described water inlet distributor is comprised of electromagnet 10, slide bar 11 and slide block 2, described electromagnet 10 promotes slide block 2 by forward and reverse conducting and moves left and right along slide bar 11, is inserted with and selects a penstock 1 to Storage water tank 4 water inlets on described slide block 2; Described electromagnet 10 and water level switch 3 are all electrically connected to the control device in control box 13.
In the present embodiment, described electromagnet 10 is arranged on slide bar 11 one end and is exposed to outside case lid 12, can certainly be arranged in case lid; Described control box 13 is arranged on outside casing 6, can certainly be arranged in case lid 12.In order to prevent getting rusty and corrosion, the material of this positive displacement slope runoff counting flowmeter all adopts stainless steel.For convenient mobile, described penstock 1 can adopt silica gel hose, and described penstock 1 internal diameter is less than drainpipe 8 internal diameters, and the inside pipe wall of described freeing port 7 posts some groups for measuring the sensor of runoff fluid sediment charge.For convenient, control, described draining valve 5 adopts electrically operated valve, available Single-chip Controlling.
In the present embodiment, for closely stable, described case lid 12 and casing releasable connection Shang Xia 6, described water inlet distributor and case lid 12 releasable connections, described volumetric measuring device and casing 6 releasable connections, also all detachable between described case lid 12 and penstock 1, casing 6 and Storage water tank 4, be for example joined with bolts, can unload if desired bolt and split.In order to prevent leaking, between described case lid 12 and casing 6, case lid 12 and penstock 1, casing 6 and Storage water tank 4, all adopt and be sealed and matched.Described casing 6 can be fixed on positive displacement slope runoff counting flowmeter on vertical plane by fixed support.
In the present embodiment, described water level switch 3 and draining valve 5 are all furnished with the power supply of being controlled break-make by control device, and described power supply is battery or external power supply, use extensively, working stability, such as self-contained batteries such as accumulators, accumulator can be used in conjunction with solar panels out of doors.Described control device is the single-chip microcomputer being arranged in control box 13, can also be the controllers such as PLC certainly; The Push And Release of described Single-chip Controlling draining valve 5, described control box 13 outsides seal with stainless steel, and 24V on-vehicle battery can be equipped with in inside, and is furnished with USB interface, for accessing other available portable power source.
In the present embodiment, described control device is electrically connected with IO interface, memory cards, wireless communication module, power module and display module, for example WiFi wireless launcher, start stop switch, external power supply plug, display screen and operation interface 131(are control panel), program input port, can realize that external power supply, internal battery electric weight show, logging mode shows and access and the change of storage space.By control box 13, just can realize the real time record to equipment set, also can determine as required whether to utilize WiFi technology to realize wireless transmission, or utilize memory cards to carry out record data simultaneously.
In the present embodiment, the principle of work of this positive displacement slope runoff counting flowmeter is as follows: when runoff fluid enters from penstock 1, electromagnet 10 promotion slide blocks 2 move to the first Storage water tank 41 tops by the water delivering orifice of penstock 1 to start to be filled with water, and now the first row water valve 51 of the first Storage water tank 41 cuts out; When the first Storage water tank 41 middle water levels are during to the first water level switch 31, first row water valve 51 is opened beginning draining.Meanwhile, electromagnet 10 promotes slide blocks 2 and the water delivering orifice of penstock 1 is moved to the second Storage water tank 42 tops starts to be filled with water; When the water level in the second Storage water tank 42 arrives the second water level switch 32, second row water valve 52 opening water discharges, while electromagnet 10 pushes back the first Storage water tank 41 tops by slide block 2 and is filled with water.The volume of supposing each Storage water tank 4 is 1L, and once, the fluid volume that this flowmeter flows through is just 1L to the every switch of water level switch 3.It has utilized mathematical formulae " * number of total amount=volume " to add up total flow, i.e. s=v * n, and this method is simple, practical and convenient.Can by single-chip microcomputer to the counting of water level switch 3 break-make number of times come final calculated flow rate meter by the total flow of fluid, and it regularly can be saved to storage card or send by wireless device.
The foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (9)
1. a positive displacement slope runoff counting flowmeter, comprise casing and case lid, it is characterized in that: in described casing, volumetric measuring device is installed, described volumetric measuring device includes a plurality of Storage water tanks arranged side by side, each Storage water tank is all provided with water level switch, each Storage water tank bottom is communicated to the freeing port of stretching out bottom half outside by drainpipe respectively, on described drainpipe, draining valve is installed; In described case lid, be provided with into water distributor, described water inlet distributor is comprised of electromagnet, slide bar and slide block, described electromagnet promotes slide block by forward and reverse conducting and moves left and right along slide bar, is inserted with and selects a penstock to Storage water tank water inlet on described slide block; Described electromagnet and water level switch are all electrically connected to the control device in control box.
2. positive displacement slope runoff counting flowmeter according to claim 1, is characterized in that: described control box is arranged on outside casing or in case lid.
3. positive displacement slope runoff counting flowmeter according to claim 1 and 2, is characterized in that: described control device provides electric energy by external power supply or battery.
4. positive displacement slope runoff counting flowmeter according to claim 1 and 2, is characterized in that: described control device is electrically connected with IO interface, memory cards, wireless communication module, power module and display module.
5. positive displacement slope runoff counting flowmeter according to claim 4, is characterized in that: described control device is single-chip microcomputer.
6. positive displacement slope runoff counting flowmeter according to claim 1, is characterized in that: the upper and lower releasable connection of described case lid and casing, described water inlet distributor and case lid releasable connection, described volumetric measuring device and casing releasable connection.
7. positive displacement slope runoff counting flowmeter according to claim 1, is characterized in that: described penstock internal diameter is less than drainpipe internal diameter.
8. positive displacement slope runoff counting flowmeter according to claim 1, is characterized in that: the inside pipe wall of described freeing port is provided with some groups for measuring the sensor of runoff fluid sediment charge.
9. positive displacement slope runoff counting flowmeter according to claim 1, is characterized in that: described casing is fixed on vertical plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420400163.4U CN203981228U (en) | 2014-07-21 | 2014-07-21 | A kind of positive displacement slope runoff counting flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420400163.4U CN203981228U (en) | 2014-07-21 | 2014-07-21 | A kind of positive displacement slope runoff counting flowmeter |
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| Publication Number | Publication Date |
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| CN203981228U true CN203981228U (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420400163.4U Expired - Fee Related CN203981228U (en) | 2014-07-21 | 2014-07-21 | A kind of positive displacement slope runoff counting flowmeter |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104457876A (en) * | 2014-12-27 | 2015-03-25 | 福建农林大学 | Wide-range solid particle mixed liquid flow measurement device |
| CN104501891A (en) * | 2014-12-27 | 2015-04-08 | 福建农林大学 | Magnetic wide-range flow measurement device of solid particle mixed liquid |
| CN105242054A (en) * | 2015-10-19 | 2016-01-13 | 桂林电子科技大学 | Water and soil loss monitoring system |
| CN105241777A (en) * | 2015-10-19 | 2016-01-13 | 桂林电子科技大学 | Device and method for monitoring soil erosion |
| CN109443436A (en) * | 2018-11-26 | 2019-03-08 | 黑龙江省水利科学研究院 | Slope runoff overall process automated watch-keeping facility |
-
2014
- 2014-07-21 CN CN201420400163.4U patent/CN203981228U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104457876A (en) * | 2014-12-27 | 2015-03-25 | 福建农林大学 | Wide-range solid particle mixed liquid flow measurement device |
| CN104501891A (en) * | 2014-12-27 | 2015-04-08 | 福建农林大学 | Magnetic wide-range flow measurement device of solid particle mixed liquid |
| CN104457876B (en) * | 2014-12-27 | 2018-02-09 | 福建农林大学 | A kind of wide range solid particle mixed liquor flow measurement device |
| CN105242054A (en) * | 2015-10-19 | 2016-01-13 | 桂林电子科技大学 | Water and soil loss monitoring system |
| CN105241777A (en) * | 2015-10-19 | 2016-01-13 | 桂林电子科技大学 | Device and method for monitoring soil erosion |
| CN109443436A (en) * | 2018-11-26 | 2019-03-08 | 黑龙江省水利科学研究院 | Slope runoff overall process automated watch-keeping facility |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20180721 |
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| CF01 | Termination of patent right due to non-payment of annual fee |