CN211552971U - Equipment for measuring flow of open channel - Google Patents
Equipment for measuring flow of open channel Download PDFInfo
- Publication number
- CN211552971U CN211552971U CN201922068496.7U CN201922068496U CN211552971U CN 211552971 U CN211552971 U CN 211552971U CN 201922068496 U CN201922068496 U CN 201922068496U CN 211552971 U CN211552971 U CN 211552971U
- Authority
- CN
- China
- Prior art keywords
- baffle
- extension
- measuring
- pipeline
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model discloses a device for measuring the flow of an open channel, which comprises a measuring tube, an external clamp type flowmeter, a pipeline baffle I, a pipeline baffle II, a baffle I and a baffle II; baffle I (5) and baffle II (6) are installed relatively and constitute the flow measurement interval between at the bottom of the canal and baffle I (5) and baffle II (6), survey buret (1) and set up in the flow measurement interval, and pipeline baffle I (3) and pipeline baffle II (4) are installed relatively on surveying buret (1), form measurement area (7) between pipeline baffle I and the pipeline baffle II, the probe mounting of external flowmeter formula (2) presss from both sides formula (1) and is located the pipe wall in measurement area, it is between the two baffles to form the flow measurement interval, the minimum water level of measurement has been injectd, improve the measurement accuracy of flow, and form the measurement area between two pipeline baffles, and with the water separation in the open channel, make it can only pass through from surveying buret.
Description
Technical Field
The utility model belongs to the technical field of flow measurement, concretely relates to an equipment for measuring open channel flow.
Background
The existing open channel flow measurement methods include two, one is to adopt a measuring weir, and the other is to adopt a radar flowmeter for measurement. The measurement principle of the water measuring weir is that the upstream and downstream water levels of the water measuring weir are measured and converted into flow according to an empirical formula or an experimental curve, and a certain water level difference is required between the upstream and downstream water levels to realize the flow measurement, otherwise, the measurement cannot be carried out or the measurement accuracy is low. For example, when the head difference along the path of the open channel is small, the measuring weir can generate head loss to influence the channel water passing, and the flow measurement can not be realized. When the downstream of the equivalent weir is provided with water retaining objects such as a gate and the like, the measurement precision of the water measuring weir can be greatly reduced. Although the radar flowmeter has high measurement precision and convenient use, the price is too high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve is that current open channel flow measurement precision is not high, the technical problem of high price to an equipment for measuring open channel flow is provided.
For solving the technical problem, the utility model discloses the technical scheme who adopts does:
a equipment for measuring open channel flow is including surveying buret, outer formula flowmeter, pipeline baffle of pressing from both sidesPipeline baffle plateBaffle plateAnd a baffle plate(ii) a Baffle plateAnd a baffle plateAre oppositely arranged at the bottom of the channel and are provided with baffle platesAnd a baffle plateA flow measurement interval is formed between the two, the measuring pipe is arranged in the flow measurement interval, and the pipeline baffle plateAnd a duct baffleMounted opposite to the measuring tube, pipe bafflesAnd a duct baffleA measuring region is formed between the two, the probe of the external clamp type flowmeter is arranged on the pipe wall of the measuring pipe in the measuring region, and the baffle plateAnd a baffle plateIsolating the measuring interval and baffleIs lower than the height of the measuring tube, on one hand, the lowest water level of the open channel when measuring the flow is limited, and on the other hand, the device can also isolate impurities in water at the bottom of the open channel. Pipeline baffleBlocking off the water flow in the open channelSo that it can only pass through the measuring tube, pipe bafflesThe water flowing out of the measuring pipe is separated to prevent backflow.
As the utility model discloses an optimal scheme installs the filter screen in the water inlet department of surveying buret, and the filter screen filters the impurity of aquatic, prevents to cause the jam of measuring pipeline after using for a long time.
As an optimized proposal of the utility model, the position of the inner wall of the measuring tube at the water inlet is provided with a mounting grooveAnd a mounting grooveMounting grooveIs longer than the mounting grooveLength of (d); the filter screen comprises a filter screenAnd a filter screenFiltering netThe side wall of the bracket is provided with a mounting lugFiltering netThe side wall of the bracket is provided with a mounting lug(ii) a Mounting lugIs slidably mounted in the mounting grooveInternal filter screenMounted in the measuring tube, mounting lugsIs slidably mounted in the mounting grooveInternal filter screenIs arranged in the measuring tube. The cleanness in the measuring tube is guaranteed through double filtration, the blockage caused by sundries can be effectively avoided, and moreover, the filter screen can be detached, so that the cleaning and the maintenance replacement are convenient.
In order to improve the application scope of the utility model, the baffle plateComprising a base baffle plateAnd an extension baffleExtending the baffleAnd base baffleSliding installation; base baffleIs provided with an upper pipeline hole at the lower partThe measuring tube passes through the upper pipeline holeAnd connected with the upper pipeline holeFixedly connecting; base baffleIs provided with an extension channelTo extend the passageThe side wall of the mounting groove is provided with an extension mounting groove(ii) a Extension baffleIs provided with an extension slide block at the lower partExtended sliderIn the extended mounting grooveSliding in; extension baffleThe upper part of the upper part is provided with an extension limit plate(ii) a At the basic stageBoardIs provided with a base positioning holeExtending the baffleIs provided with an extended positioning holeBase location holeAnd extended positioning holesAnd correspond to each other.
The pipeline baffle plateComprising a base baffle plateAnd an extension baffleExtending the baffleAnd base baffleSliding installation; base baffleIs provided with an upper pipeline hole at the lower partThe measuring tube passes through the upper pipeline holeAnd connected with the upper pipeline holeFixedly connecting; base baffleIs provided with an extension channelTo extend the passageThe side wall of the mounting groove is provided with an extension mounting groove(ii) a Extension baffleIs provided with an extension slide block at the lower partExtended sliderIn the extended mounting grooveSliding in; extension baffleThe upper part of the upper part is provided with an extension limit plate(ii) a Baffle plate on baseIs provided with a base positioning holeExtending the baffleIs provided with an extended positioning holeBase location holeAnd extended positioning holesAnd correspond to each other.
The height of the pipeline baffle can be adjusted according to the height of the water level of the open channel, when the water level is high, the extension baffle can be pulled out and inserted into the corresponding positioning hole by using the bolt to fix the extension baffle, and the detection of multiple water levels is realized.
The utility model discloses a survey buret, baffle and pipeline outer clamp formula flowmeter complex mode and realize the measurement to the open channel flow. A flow measurement interval is formed between the two baffles, the lowest water level of measurement is limited, the measurement accuracy of flow is improved, a measurement area is formed between the two pipeline baffles, and water in the open channel is blocked, so that the water can only pass through the measurement pipe. And, the utility model discloses as long as satisfy minimum water level and can flow just can realize the measurement of flow, it is convenient to use, can be in the open channel directly fixed one, also can make detachable, and many places detect, and in addition, survey buret, flowmeter and the baffle that uses all are very flat price, and the cost of manufacture is low.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of the present invention.
Fig. 3 is a schematic structural diagram of the middle measuring tube of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
Example (b):
an apparatus for measuring flow in open channel, as shown in fig. 1 and 2, comprises a measuring tube 1, an outer clip type flowmeter 2, and a pipe baffle 3. Pipeline baffle4. Baffle plate 5 and a baffle plate6; baffle plate 5 and a baffle plate6 are oppositely arranged at the bottom of the channel and are provided with baffle plates 5 and a baffle plateAnd 6, a flow measurement interval is formed. The measuring tube 1 is arranged in the flow measuring interval and the pipeline baffle plate 3 and a duct baffle4 are oppositely arranged on the measuring pipe 1 and are provided with pipeline baffles 3 and a duct baffle4 form a measuring area 7, the probe of the external clamp type flowmeter 2 is arranged on the wall of the measuring pipe 1 positioned in the measuring area 7, and the baffle plate 5 and a baffle plate6 isolating the measuring interval and a baffleThe height of 5 is lower than that of the measuring pipe, so that the lowest water level of the open channel during flow measurement is limited, and impurities in water at the bottom of the open channel can be isolated. Pipeline baffle 3 blocking the water flow of the open channel to ensure that the water flow can only pass through the measuring pipe, and a pipeline baffle plate4, the water flowing out of the measuring pipe is separated, and the backflow is prevented.
And in order to prevent measuring buret jam when measuring, install the filter screen at the water inlet department of surveying buret 1, the filter screen filters the impurity of aquatic, prevents to cause measuring pipeline's jam after using for a long time. The concrete arrangement mode is that, as shown in figure 3, the inner wall of the measuring tube 1 at the water inlet is provided with a mounting groove 8 and mounting groove 9, mounting grooveThe length of 8 is greater than that of the mounting groove 9, length; the filter screen comprises a filter screen 10 and a filter screen 11, as shown in FIGS. 5 and 6, a filter net 10 is provided with a mounting lug on the side wall 12, a filter screen 11 is provided with a mounting lug on the side wall 13; mounting lug 12 are slidably mounted in the mounting groove 8 inner filter screen 10 are mounted in the measuring tube 1, mounting lugs 13 are slidably mounted in the mounting groove 9 inner filter screen 11 are mounted within the measuring tube 1. The cleanness in the measuring tube is guaranteed through double filtration, the blockage caused by sundries can be effectively avoided, and moreover, the filter screen can be detached, so that the cleaning and the maintenance replacement are convenient.
In order to improve the application scope of the utility model, the baffle plate 3, as shown in FIG. 4, comprises a base baffle31 and extension baffle32, extension baffle32 and base baffle31, sliding and mounting; base baffle31 is provided with an upper pipe hole at the lower part 311, the measuring pipe 1 passes through the upper pipe hole 311 and an upper pipe hole 311 are fixedly connected; base baffle31 is provided with an extended passage at the upper part 312, extended passage 312 side wall is provided with an extension mounting groove 313; extension baffle32 is provided with an extension slide block at the lower part 321, extended slide block 321 in the extended mounting groove 313 sliding in; extension baffle32 an extended limit plate is arranged at the upper part of the upper part 322, respectively; baffle plate on base31 are provided with base positioning holes 314, extension baffle32 are provided with extended positioning holes 323 base location hole 314 and elongated pilot holes 323 correspond one to one.
The pipeline baffle plate4, including base baffleAnd an extension baffleExtending the baffleAnd base baffleSliding installation; base baffleIs provided with an upper pipeline hole at the lower partThe measuring tube 1 passes through the upper pipe holeAnd connected with the upper pipeline holeFixedly connecting; base baffleIs provided with an extension channelTo extend the passageThe side wall of the mounting groove is provided with an extension mounting groove(ii) a Extension baffleIs provided with an extension slide block at the lower partExtended sliderIn the extended mounting grooveSliding in; extension baffleThe upper part of the upper part is provided with an extension limit plate(ii) a Baffle plate on baseIs provided with a base positioning holeExtending the baffleIs provided with an extended positioning holeBase location holeAnd extended positioning holesAnd correspond to each other.
When in use, the baffle plate is firstly usedAnd a baffle plateInstalling the water flow meter on the bottom of the open channel to be measured to form a flow measurement interval, then placing the measuring tube and the pipeline baffle plate in the flow measurement interval, allowing open channel water with a certain water level to pass through the measuring tube, and allowing water flowing out of the measuring tube to be blocked by the pipeline baffle plateThe flow can not flow back in a limited mode, and the probe of the pipeline external clamp type flowmeter in the measuring area is used for measuring to obtain the flow information of the open channel.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (5)
1. An apparatus for measuring open channel flow, characterized by: comprises a measuring pipe (1), an external clamp type flowmeter (2) and a pipeline baffle plate(3) Pipeline baffle plate(4) Baffle plate(5) And a baffle plate(6) (ii) a Baffle plate(5) And a baffle plate(6) Are oppositely arranged at the bottom of the channel and are provided with baffle plates(5) And a baffle plate(6) A flow measurement interval is formed between the two, the measuring pipe (1) is arranged in the flow measurement interval, and the pipeline baffle plate(3) And a duct baffle(4) Are oppositely arranged on the measuring pipe (1) and are provided with pipeline baffles(3) And a duct baffle(4) A measuring area (7) is formed between the two, and the probe of the external clamp type flowmeter (2) is arranged on the pipe wall of the measuring pipe (1) positioned in the measuring area (7).
2. The apparatus for measuring open channel flow of claim 1, wherein: a filter screen is arranged at the water inlet of the measuring pipe (1).
3. The apparatus for measuring open channel flow of claim 2, wherein: the inner wall of the measuring pipe (1) is provided with a mounting groove at the water inlet(8) And a mounting groove(9) Mounting groove(8) Is longer than the mounting groove(9) Length of (d); the filter screen comprises a filter screen(10) And a filter screen(11) Filtering net(10) The side wall of the bracket is provided with a mounting lug(12) Filtering net(11) The side wall of the bracket is provided with a mounting lug(13) (ii) a Mounting lug(12) Is slidably mounted in the mounting groove(8) Internal filter screen(10) Mounted in the measuring tube (1) with mounting lugs(13) Is slidably mounted in the mounting groove(9) Internal filter screen(11) Is arranged in the measuring pipe (1).
4. Apparatus for measuring open channel flow according to claim 1 or 3, wherein: the pipeline baffle plate(3) Comprising a base baffle plate(31) And an extension baffle(32) Extending the baffle(32) And base baffle(31) Sliding installation; base baffle(31) Is provided with an upper pipeline hole at the lower part(311) The measuring tube (1) passes through the upper pipeline hole(311) And connected with the upper pipeline hole(311) Fixedly connecting; base baffle(31) Is provided with an extension channel(312) To extend the passage(312) The side wall of the mounting groove is provided with an extension mounting groove(313) (ii) a Extension baffle(32) Is provided with an extension slide block at the lower part(321) Extended slider(321) In the extended mounting groove(313) Sliding in; extension baffle(32) The upper part of the upper part is provided with an extension limit plate(322) (ii) a Baffle plate on base(31) Is provided with a base positioning hole(314) Extending the baffle(32) Is provided with an extended positioning hole(323) Base location hole(314) And extended positioning holes(323) And correspond to each other.
5. Apparatus for measuring open channel flow according to claim 1 or 3, wherein: the pipeline baffle plate(4) Comprising a base baffle plateAnd an extension baffleExtending the baffleAnd base baffleSliding installation; base baffleIs provided with an upper pipeline hole at the lower partThe measuring tube (1) passes through the upper pipeline holeAnd connected with the upper pipeline holeFixedly connecting; base baffleIs provided with an extension channelTo extend the passageThe side wall of the mounting groove is provided with an extension mounting groove(ii) a Extension baffleIs provided with an extension slide block at the lower partExtended sliderIn the extended mounting grooveSliding in; extension baffleThe upper part of the upper part is provided with an extension limit plate(ii) a Baffle plate on baseIs provided with a base positioning holeExtending the baffleIs provided with an extended positioning holeBase location holeAnd extended positioning holesAnd correspond to each other.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922068496.7U CN211552971U (en) | 2019-11-27 | 2019-11-27 | Equipment for measuring flow of open channel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922068496.7U CN211552971U (en) | 2019-11-27 | 2019-11-27 | Equipment for measuring flow of open channel |
Publications (1)
Publication Number | Publication Date |
---|---|
CN211552971U true CN211552971U (en) | 2020-09-22 |
Family
ID=72501995
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201922068496.7U Active CN211552971U (en) | 2019-11-27 | 2019-11-27 | Equipment for measuring flow of open channel |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN211552971U (en) |
-
2019
- 2019-11-27 CN CN201922068496.7U patent/CN211552971U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN211552971U (en) | Equipment for measuring flow of open channel | |
CN209740832U (en) | Water quality lifting oxygenation device for river channel ecological management | |
CN112179447A (en) | Water meter connecting device with rectification function | |
CN209569803U (en) | Screen modules and range hood | |
EP0987526A3 (en) | Adaptable gas meter | |
CN211552972U (en) | Pipeline outer clamp type flow measuring device | |
KR101310447B1 (en) | Flow measuring device | |
CN209910774U (en) | Prevent that silt ponding position is from recording platform | |
CN211262372U (en) | Graded measurement type flow monitoring well | |
CN205593570U (en) | Air flow meter | |
CN114353888A (en) | Small flow metering device for drainage pipe network and installation method thereof | |
CN204788525U (en) | Anti -pollution runner structure of ultrasonic flowmeter | |
CN207688949U (en) | A kind of dismountable fluid flowmeter of filter screen | |
CN209397563U (en) | The experimental rig that the unrestrained top of simulation is burst | |
CN209623781U (en) | A kind of metal pipe float flow meter convenient for cleaning replacement | |
CN218545805U (en) | Water meter adopting double-valve structure | |
CN205391916U (en) | Visual through type filter | |
CN210597506U (en) | Filtering device for preventing sewer from being blocked | |
CN213266405U (en) | Natural gas filtering device | |
CN218937476U (en) | Formula water gauge is inhaled to magnetism | |
CN218885087U (en) | Automatically cleaning marshall groove metering device | |
CN214471093U (en) | Ultrasonic gas meter with internal filtering device | |
CN216206679U (en) | Electromagnetic flowmeter | |
CN108931272B (en) | Porous differential pressure flow sensor and pulmonary function instrument | |
CN216050113U (en) | Gas flowmeter for industrial instrument |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |