CN206772358U - A kind of annular flow gauge - Google Patents
A kind of annular flow gauge Download PDFInfo
- Publication number
- CN206772358U CN206772358U CN201720403154.4U CN201720403154U CN206772358U CN 206772358 U CN206772358 U CN 206772358U CN 201720403154 U CN201720403154 U CN 201720403154U CN 206772358 U CN206772358 U CN 206772358U
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- CN
- China
- Prior art keywords
- measurement pipe
- measurement
- mounting bracket
- pipe support
- port
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- 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.)
- Expired - Fee Related
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Abstract
Water conservancy equipment field is the utility model is related to, specifically a kind of annular flow gauge, including measurement pipe support, mounting bracket, measurement pipe and lid.Described measurement pipe support is shaped as annular, and measurement pipe support is provided with port and open slot；Described port is arranged in open slot, and the quantity of port is four；Described mounting bracket is arranged on measurement pipe support, and mounting bracket is shaped as cylinder, and hollow-core construction is provided with mounting bracket.A kind of layering current meter of the present utility model, devise the structure of measurement pipe sleeve so that there is larger contact area in measurement, reduce the measurement error because that can not bring face flow velocity direction, and the design structure is simple, production and maintenance easy to process.
Description
Technical field
Water conservancy equipment field is the utility model is related to, specifically a kind of annular flow gauge.
Background technology
It is well known that water conservancy equipment has the function that important, and River detection in hydraulic engineering, river management and
Have the function that in terms of River detection system Construction important, improvement to water conservancy equipment and innovate there is urgent need.
Known existing water conservancy equipment is solving the above problems, but is still to have many problems to need to continue to improve, and current one
A little large-scale water conservancy equipments are relatively more, but are complicated the characteristics of these equipment, and production cost is high, not easy care.Flowing
In terms of gauge, the flow velocity of face current is needed in measurement, operation requires higher, easily produces error.Of the present utility model one
Kind annular flow gauge, devise the structure of measurement pipe support so that there is larger contact area in measurement, reduce because of people
Work operation can not face flow velocity direction and the measurement error brought, while meter is designed as four, can be to different directions
Water velocity measure, the flow of the regional water, and the design can be drawn according to the synthesis result of four meters
It is simple in construction, production and maintenance easy to process.
The content of the invention
Need to be improved for some problems of prior art water conservancy equipment, a kind of annular flow of the present utility model
Meter, devise the structure of measurement pipe support so that there is larger contact area in measurement, reduce because can not face flow velocity side
To and the measurement error brought, while meter is designed as four, the water velocity of different directions can be measured, can
To draw the flow of the regional water according to the synthesis result of four meters, and the design structure is simple, production easy to process
And maintenance.
Technical scheme is used by the utility model solves its technical problem：A kind of annular flow gauge, including measurement
Pipe support, mounting bracket, measurement pipe and lid.
Described measurement pipe support is shaped as annular, and measurement pipe support is provided with port and open slot；Described port is set
Put in open slot, the quantity of port is four；Described open slot is arranged in measurement pipe support, and the quantity of open slot is four
Individual, the subtended angle of open slot is 150 degree；Measurement pipe support mainly acts what is supported and fix；Because need face water in measurement
Flow velocity is flowed, easily causes error, so the subtended angle for devising open slot is 150 degree, open slot is shaped as arc, can be effective
Increase contact area, the flow velocity direction of easy face water, four open slots measure the stream of different directions water respectively in measurement
Amount.
Described mounting bracket is arranged on measurement pipe support, and mounting bracket is shaped as cylinder, and hollow knot is provided with mounting bracket
Structure；Mounting bracket mainly plays a supportive role.
Described measurement pipe is arranged in measurement pipe support, and measurement pipe is elongated bend pipe, and measurement pipe obtains quantity as four, surveyed
Buret is arranged in mounting bracket, and measurement pipe front end is arranged in port, measurement pipe inside jaw elements provided with inside and outside, in measurement pipe
Provided with total pressure measurement mouth, static pressure measurement mouth, stagnation pressure tube and static tube；Measurement pipe plays measurement, stagnation pressure tube and static tube point
Not with differential manometer UNICOM.
Described lid is arranged on mounting bracket, and differential manometer is provided with lid；The quantity of described differential manometer be four, four
Individual differential manometer is connected with corresponding static tube and stagnation pressure tube respectively；Internal layer sealing ring is installed in described lid and outer layer is close
Seal, differential manometer are used for survey calculation water velocity, and lid mainly plays protection.The measuring principle of the design, measurement
When measurement pipe face flow rate of water flow, static pressure measurement mouth, total pressure measurement mouth can measure the static pressure and total pressure of current respectively, in pressure difference
Meter can show hydraulic pressure difference, thus calculate the flow of current.
Preferably, it is provided with seal washer at the port of described measurement pipe support.
Preferably, there is fillet at described total pressure measurement mouth and static pressure measurement mouth, reduce the resistance of local current.
The beneficial effects of the utility model are：A kind of annular flow gauge of the present utility model, devise measurement pipe support
Structure so that there is larger contact area in measurement, reduce what can not be brought by manual operation face flow velocity direction
Measurement error, while meter is designed as four, the water velocity of different directions can be measured, can be according to four
The synthesis result of meter draws the flow of the regional water, and the design structure is simple, production and maintenance easy to process.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is side view of the present utility model；
Fig. 3 is front view of the present utility model；
Fig. 4 is the sectional view in the utility model Fig. 3 A-A faces；
Fig. 5 is the structural representation of measurement pipe support of the present utility model；
Fig. 6 is the front view of the utility model measurement pipe support；
Fig. 7 is the sectional view in the utility model Fig. 6 C-C faces；
Fig. 8 is the sectional view in the utility model Fig. 6 B-B faces；
In figure：Measure pipe support (1), mounting bracket (2), measurement pipe (3), lid (4), port (11), open slot (12), stagnation pressure
Measure mouth (31), static pressure measurement mouth (32), stagnation pressure tube (33), static tube (34), differential manometer (41).
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines embodiment, and the utility model is expanded on further.
As shown in Figure 1, Figure 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, a kind of annular flow gauge of the present embodiment, including measurement
Pipe support 1, mounting bracket 2, measurement pipe 3 and lid 4.
Described measurement pipe support 1 is shaped as annular, and measurement pipe support 1 is provided with port 11 and open slot 12；Described
Port 11 is arranged in open slot 12, and the quantity of port 11 is four；Described open slot 12 is arranged in measurement pipe support 1, is opened
The quantity of mouth groove 12 is four, and the subtended angle of open slot 12 is 150 degree；Measurement pipe support 1 primarily serves support and fixed effect.Open
Mouth groove 12 is shaped as arc, can effectively increase contact area, the flow velocity direction of easy face water, four open slots 12 exist
The flow of different directions water is measured during measurement respectively.
Described mounting bracket 2 is arranged on measurement pipe support 1, and mounting bracket 2 is shaped as cylinder, and sky is provided with mounting bracket 2
Core structure；Mounting bracket 2 mainly plays support.
Described measurement pipe 3 is arranged in measurement pipe support 1, and measurement pipe 3 is elongated bend pipe, and it is four that measurement pipe 3, which obtains quantity,
Individual, measurement pipe 3 is arranged in mounting bracket 2, and the front end of measurement pipe 3 is arranged in port 11, and the inside of measurement pipe 3 is provided with inside and outside two layers of pipe
Road, measurement pipe 3 are provided with total pressure measurement mouth 31, static pressure measurement mouth 32, stagnation pressure tube 33 and static tube 34.Measurement pipe 3 plays measurement
Effect, stagnation pressure tube 33 and static tube 34 respectively with differential manometer UNICOM.
Described lid 4 is arranged on three mounting brackets 2, and differential manometer 41 is provided with lid 4；The number of described differential manometer 41
Measure as four, four differential manometers 41 are connected with corresponding static tube 34 and stagnation pressure tube 33 respectively；Differential manometer 41 is used for meter
Water velocity is calculated, lid 4 mainly plays protection.The measuring principle of the design, the face current stream of measurement pipe 3 during measurement
Speed, static pressure measurement mouth 32, total pressure measurement mouth 31 can measure the static pressure and total pressure of current respectively, and hydraulic pressure can be shown in differential manometer
Difference, thus calculate the flow velocity of current.
General principle, principal character and advantage of the present utility model has been shown and described above.The technical staff of the industry
It should be appreciated that the utility model is not restricted to the described embodiments, the description in above-mentioned embodiment and specification is simply said
Bright principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model also has various
Changes and improvements, these changes and improvements are both fallen within the range of the requires of the utility model protection.The requires of the utility model is protected
Scope is by appended claims and its equivalent thereof.
Claims (3)
1. a kind of annular flow gauge, including measurement pipe support (1), mounting bracket (2), measurement pipe (3) and lid (4), its feature exist
In：
Described measurement pipe support (1) is shaped as annular, and measurement pipe support (1) is provided with port (11) and open slot (12)；Institute
The port (11) stated is arranged in open slot (12), and the quantity of port (11) is four；Described open slot (12) is arranged on survey
In buret frame (1), the quantity of open slot (12) is four, and the subtended angle of open slot (12) is 150 degree；
Described mounting bracket (2) is arranged on measurement pipe support (1), and mounting bracket (2) is shaped as cylinder, is set in mounting bracket (2)
There is hollow-core construction；
Described measurement pipe (3) is arranged in measurement pipe support (1), and measurement pipe (3) is elongated bend pipe, and measurement pipe (3) obtains quantity
For four, measurement pipe (3) is arranged in mounting bracket (2), and measurement pipe (3) front end is arranged in port (11), and measurement pipe (3) is internal
Provided with inside and outside jaw elements, measurement pipe (3) is provided with total pressure measurement mouth (31), static pressure measurement mouth (32), stagnation pressure tube (33) and quiet
Pressure pipe (34)；
Described lid (4) is arranged on mounting bracket (2), and differential manometer (41) is provided with lid (4)；Described differential manometer (41)
Quantity is four, and four differential manometers (41) are connected with corresponding static tube (34) and stagnation pressure tube (33) respectively.
A kind of 2. annular flow gauge according to claim 1, it is characterised in that：The port of described measurement pipe support (1)
(11) place is provided with seal washer.
A kind of 3. annular flow gauge according to claim 1, it is characterised in that：Described total pressure measurement mouth (31) and quiet
There is fillet at pressure measurement mouth (32) place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720403154.4U CN206772358U (en) | 2017-04-17 | 2017-04-17 | A kind of annular flow gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720403154.4U CN206772358U (en) | 2017-04-17 | 2017-04-17 | A kind of annular flow gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206772358U true CN206772358U (en) | 2017-12-19 |
Family
ID=60631841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720403154.4U Expired - Fee Related CN206772358U (en) | 2017-04-17 | 2017-04-17 | A kind of annular flow gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206772358U (en) |
-
2017
- 2017-04-17 CN CN201720403154.4U patent/CN206772358U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 Termination date: 20210417 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |