CN203745015U - Pipeline flowmeter - Google Patents
Pipeline flowmeter Download PDFInfo
- Publication number
- CN203745015U CN203745015U CN201420128492.8U CN201420128492U CN203745015U CN 203745015 U CN203745015 U CN 203745015U CN 201420128492 U CN201420128492 U CN 201420128492U CN 203745015 U CN203745015 U CN 203745015U
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- CN
- China
- Prior art keywords
- microgenerator
- flowmeter
- connecting pipe
- frame
- mount pad
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a pipeline flowmeter which comprises a connecting tube, miniature generators which are provided with streamlined bodies and are connected to a turbofan paddle of a rotor, a rack and voltage meter type flowmeter. The miniature generators and the rack are arranged in the connecting tube, one end of the rack is fixedly arranged on the inner wall of the connecting tube, the other end of the rack is connected to the streamlined bodies of the miniature generators, the miniature generators are three or more in number and fixedly arranged in the middle of the connecting tube along the axis, the distance between every two adjacent miniature generators is at least 15 centimeters, the streamlined bodies of the miniature generators and the rotor are arranged in the fluid flow direction, the cross-section of the rack is a streamline water drop-shape, and all the miniature generators are connected to the voltage meter type flowmeter in parallel. The pipeline flowmeter is simple in structure, the direct ratio relation between the generator voltage and the flow speed is applied to measuring quantity of flow, and the pipeline flowmeter is good in stability, convenient to maintain and small in resistance to fluid flow.
Description
Technical field
The utility model relates to a kind of metering outfit of measuring rate of flow of fluid flow, particularly a kind of pipeline flowmeter.
Background technology
The hydraulic engineering that the development of fluid measurement can be traced back to ancient times and water-supply systems.The Caesar of the ancient Roman epoch have adopted orifice plate to measure resident's the potable water water yield.Within B.C. 1000, Nilotic flow is measured by weir method by left and right ancient Egypt.Water-level observation water yield size of the famous Dujiang weir hydraulic engineering application Aguarius mouth of China etc.
Metering is industrial eyes.Flow metering is one of ingredient of measuring science technology, and it and national economy, national defense construction, scientific research have close relationship.Carry out this work; the development that ensures product quality, the technology of enhancing productivity, advance science is all had to important effect; particularly, in energy crisis, current era that industrial production automation degree is more and more high, the status of flowmeter in national economy is more obvious with effect.
Flowmeter is divided into again spinner-type flowmeter, restriction flowmeter, slit flowmeter, volume-displacement, electromagnetic flowmeter, ultrasonic flow meter and weir etc.Press medium classification: liquid flowmeter and gas meter.
Existing mechanical meters can directly cause measuring inaccurate because of rotor wearing and tearing in long-term use, affect operation and maintenance, the cost of increase operation and maintenance.
Summary of the invention
The disclosed pipeline flowmeter of the utility model, simple in structure, easy to use, by be arranged on the multiple microgenerator abatement apparatus wear errors in pipeline simultaneously, improve and detect effect and measurement accuracy, make flowmeter there is more simple structure simultaneously, easy to use efficient, be convenient to safeguard.
The disclosed pipeline flowmeter of the utility model comprises connecting pipe, be provided with streamlined body and the microgenerator that is connected to epitrochanterian turbofan oar, frame and voltmeter formula flowmeter, described microgenerator and frame are all arranged in connecting pipe, described frame one end is fixedly installed on connecting pipe inwall, the described frame other end is fixedly attached on the streamlined body of microgenerator, described microgenerator is provided with at least 3 and microgenerator and is all fixedly installed on connecting pipe center along axis, the spacing of described adjacent two microgenerators is at least 15 centimetres, the streamlined body of described microgenerator and rotor are along direction of flow setting, the xsect of described frame is streamline water-drop-shaped, described microgenerator is all parallel-connected on voltmeter formula flowmeter.The disclosed pipeline flowmeter of the utility model, simple in structure, easy to use, be convenient to change maintenance, by the micromachine arranging, the rate of flow of fluid of pipeline is converted into voltage signal, and measured by the voltmeter in voltmeter formula flowmeter, wherein voltage signal numerical value is directly proportional to flow velocity, the centerline that micromachine is arranged on to connecting pipe is measured effective, avoid the impact of tube wall detention layer on flow measurement, the spacing that adjacent two microgenerators are set is simultaneously at least 15 centimetres of impacts on follow-up microgenerator of flow-disturbing of avoiding turbofan oar to rotate forming, thereby improve the accuracy of flow measurement, and the fairshaped body arranging and along direction of flow cross section be before and after fairshaped frame can effectively reduce the micromachine that is arranged in pipeline and the inhibition of frame fluid flow, improve the patency that fluid is carried.
The one of the disclosed pipeline flowmeter of the utility model is improved, described connecting pipe also comprises mount pad, on described connecting pipe, be provided with the mounting groove matching with mount pad, described mount pad is arranged in mounting groove and the junction of mount pad and mounting groove is also provided with O-ring seal, and described microgenerator is fixed on the inwall of mount pad by frame.This improvement by arrange mount pad and be arranged on the mounting groove on connecting pipe, make, in long-term use, to be convenient to micromachine to safeguard replacing, reduce the measuring error causing due to wearing and tearing, improve the Stability and veracity of flow measurement, reduce the cost of safeguarding.
The disclosed pipeline flowmeter of the utility model, simple in structure, good stability, little to pipeline fluid drag, measuring accuracy is high, and error is little, is convenient to safeguard change, and has effectively improved the convenience using, and reduces use cost.
Brief description of the drawings
The structural representation of a kind of embodiment of Fig. 1, the disclosed pipeline flowmeter of the utility model.
Reference numerals list:
1, connecting pipe; 2, streamlined body; 3, turbofan oar;
4, frame; 5, voltmeter formula flowmeter; 6, mount pad;
7, seal.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand following embodiment and only be not used in restriction scope of the present utility model for the utility model is described.It should be noted that, word 'fornt', 'back', " left side ", " right side ", "up" and "down" that use is described below refer to the direction in accompanying drawing, and word " interior " and " outward " refer to respectively the direction towards or away from specific features geometric center.
As shown in Figure 1, the disclosed pipeline flowmeter of the utility model comprises that (connecting pipe two ends can be flange plate structure to connecting pipe 1, so that be connected with pipeline), be provided with streamlined body 2 (if streamlined body is water-drop-shaped) and be connected to the microgenerator of the epitrochanterian turbofan oar 3 on streamlined body, frame 4 and voltmeter formula flowmeter 5, described microgenerator and frame 4 are all arranged in connecting pipe 1, described frame 4 one end are fixedly installed on connecting pipe 1 inwall, described frame 4 other ends are fixedly attached on the streamlined body 2 of microgenerator, described microgenerator is provided with at least 3 and microgenerator and is all fixedly installed on connecting pipe 1 center along axis, the spacing of described adjacent two microgenerators is at least 15 centimetres, the streamlined body 2 of described microgenerator and rotor are along direction of flow setting, direction as shown by arrows in FIG., the xsect of described frame 4 is streamline water-drop-shaped, described microgenerator is all parallel-connected to voltmeter formula flowmeter 5 (can be replaced by voltmeter the index dial of flowmeter accordingly, flow scale correction corresponding to voltage calibration) on.The disclosed pipeline flowmeter of the utility model, simple in structure, easy to use, be convenient to change maintenance, by the micromachine arranging, the rate of flow of fluid of pipeline is converted into voltage signal, and measured by the voltmeter in voltmeter formula flowmeter, wherein voltage signal numerical value is directly proportional to flow velocity, the centerline that micromachine is arranged on to connecting pipe is measured effective, avoid the impact of tube wall detention layer on flow measurement, the spacing that adjacent two microgenerators are set is simultaneously at least 15 centimetres of impacts on follow-up microgenerator of flow-disturbing of avoiding turbofan oar to rotate forming, thereby improve the accuracy of flow measurement, and the fairshaped body arranging and along direction of flow cross section (being the fore-and-aft direction that this place refers to along direction shown in arrow points in figure) can effectively reduce the micromachine that is arranged in pipeline and the inhibition of frame fluid flow for the fairshaped frame in front and back, improve the patency that fluid is carried.
The one of the disclosed pipeline flowmeter of the utility model is improved, described connecting pipe also comprises mount pad 6, on described connecting pipe 1, be provided with the mounting groove matching with mount pad 6, described mount pad 6 is arranged in mounting groove and mount pad 6 is also provided with O-ring seal 7 with the junction of mounting groove, and described microgenerator is fixed on the inwall of mount pad 6 by frame 4.This improvement by arrange mount pad and be arranged on the mounting groove on connecting pipe, make, in long-term use, to be convenient to micromachine to safeguard replacing, reduce the measuring error causing due to wearing and tearing, improve the Stability and veracity of flow measurement, reduce the cost of safeguarding.
The disclosed pipeline flowmeter of the utility model, simple in structure, good stability, little to pipeline fluid drag, measuring accuracy is high, and error is little, is convenient to safeguard change, and has effectively improved the convenience using, and reduces use cost.
The disclosed technological means of the utility model scheme is not limited only to the disclosed technological means of above-mentioned technological means, also comprises the technical scheme being made up of above technical characterictic combination in any.The above is embodiment of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (2)
1. a pipeline flowmeter, it is characterized in that: described pipeline flowmeter comprises connecting pipe, be provided with streamlined body and the microgenerator that is connected to epitrochanterian turbofan oar, frame and voltmeter formula flowmeter, described microgenerator and frame are all arranged in connecting pipe, described frame one end is fixedly installed on connecting pipe inwall, the described frame other end is fixedly attached on the streamlined body of microgenerator, described microgenerator is provided with at least 3 and microgenerator and is all fixedly installed on connecting pipe center along axis, the spacing of described adjacent two microgenerators is at least 15 centimetres, the streamlined body of described microgenerator and rotor are along direction of flow setting, the xsect of described frame is streamline water-drop-shaped, described microgenerator is all parallel-connected on voltmeter formula flowmeter.
2. pipeline flowmeter according to claim 1, it is characterized in that: described connecting pipe also comprises mount pad, on described connecting pipe, be provided with the mounting groove matching with mount pad, described mount pad is arranged in mounting groove and the junction of mount pad and mounting groove is also provided with O-ring seal, and described microgenerator is fixed on the inwall of mount pad by frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420128492.8U CN203745015U (en) | 2014-03-21 | 2014-03-21 | Pipeline flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420128492.8U CN203745015U (en) | 2014-03-21 | 2014-03-21 | Pipeline flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203745015U true CN203745015U (en) | 2014-07-30 |
Family
ID=51344802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420128492.8U Expired - Fee Related CN203745015U (en) | 2014-03-21 | 2014-03-21 | Pipeline flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203745015U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104804919A (en) * | 2015-05-13 | 2015-07-29 | 贵州珍酒酿酒有限公司 | Beer starch saccharification adjustable mixing device |
| WO2017192185A1 (en) * | 2016-05-06 | 2017-11-09 | Esmart Tech, Inc. | Identifying inaccuracy in air quality detection |
| US9952189B1 (en) | 2016-12-20 | 2018-04-24 | Esmart Tech, Inc | Identifying inaccuracy in air quality detection |
-
2014
- 2014-03-21 CN CN201420128492.8U patent/CN203745015U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104804919A (en) * | 2015-05-13 | 2015-07-29 | 贵州珍酒酿酒有限公司 | Beer starch saccharification adjustable mixing device |
| WO2017192185A1 (en) * | 2016-05-06 | 2017-11-09 | Esmart Tech, Inc. | Identifying inaccuracy in air quality detection |
| US9952189B1 (en) | 2016-12-20 | 2018-04-24 | Esmart Tech, Inc | Identifying inaccuracy in air quality detection |
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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 |
Granted publication date: 20140730 Termination date: 20170321 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |