CN107702754B - Portable simple flowmeter - Google Patents
Portable simple flowmeter Download PDFInfo
- Publication number
- CN107702754B CN107702754B CN201711169856.1A CN201711169856A CN107702754B CN 107702754 B CN107702754 B CN 107702754B CN 201711169856 A CN201711169856 A CN 201711169856A CN 107702754 B CN107702754 B CN 107702754B
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- CN
- China
- Prior art keywords
- connecting piece
- casing
- temperature sensor
- strain gauge
- measuring device
- 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.)
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- 239000007788 liquid Substances 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
Abstract
The invention discloses a portable simple flowmeter, which relates to the technical field of flow measurement equipment and comprises a shell, a measuring device and a connecting piece, wherein one end of the shell is connected with the measuring device, the other end of the shell is connected with the connecting piece, the measuring device is specifically composed of a rubber nozzle, a resistance strain gauge and a temperature sensor, the rubber nozzle is specifically a conical structure with two open ends, the tip end of the rubber nozzle is in a closed state when not working, the resistance strain gauge and the temperature sensor are embedded on the side wall of the rubber nozzle, the connecting piece is specifically an integrated structure composed of a first component and a second component, the other end of the first component is connected with the second component, and one end of the second component, which is far away from the first component, is connected with a measured pipeline.
Description
Technical Field
The invention relates to the technical field of flow measurement equipment, in particular to a portable simple flowmeter.
Background
Typically, the flow meter is installed on the pipeline to detect the flow rate of the liquid in the pipeline, and it is difficult to detect the flow rate of the liquid in the pipeline if the flow meter is not installed on the pipeline in advance. The general flowmeter has higher requirements on environment, installation pipelines and the like and higher cost. And a flowmeter can only be fixed on a pipeline, so that the pipeline is troublesome to replace, and the measurement can be carried out only by filling the liquid into the test equipment due to the limitation of the size of the equipment, so that the test that the liquid with smaller flow rate cannot be filled into the equipment cannot be satisfied, and the measurement precision is poor.
How to solve the defects of the prior art is a problem which needs to be solved in the present day.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a portable simple flowmeter, so as to solve the technical problems of difficult portability, poor equipment adaptability, poor metering precision and the like in the prior art.
The invention is realized by the following technical scheme:
the invention provides a portable simple flowmeter, which comprises a shell, a measuring device and a connecting piece, wherein the shell, the measuring device and the connecting piece are hollow, one end of the shell is connected with the measuring device, the other end of the shell is connected with the connecting piece, the measuring device is specifically composed of a rubber nozzle, a resistance strain gauge and a temperature sensor, the rubber nozzle is specifically a conical structure with two open ends, the tip of the rubber nozzle is in a closed state when the rubber nozzle does not work, the other end of the rubber nozzle is connected with the shell, the resistance strain gauge and the temperature sensor are embedded on the side wall of the rubber nozzle, one end of the shell connected with the connecting piece is fixedly provided with a first flange, the connecting piece is specifically an integral structure composed of a first part and a second part, the inner diameter of the first part is identical with the inner diameter of the shell, one end of the first part connected with the shell is fixedly provided with a second flange corresponding to the first flange, the other end of the first part is connected with the second part, and one end of the second part is far away from the first part and is connected with a measured pipeline.
Further, one end with a larger opening of the rubber nozzle is fixedly sleeved at one end of the shell through the clamping device, and a groove corresponding to the clamping device is formed in the shell.
Further, a control device is arranged on the shell and is in signal connection with the resistance strain gauge and the temperature sensor respectively.
Further, the inner diameter of the second member is not smaller than the inner diameter of the first member.
Further, the second member has an inner diameter smaller than an inner diameter of the first member.
Compared with the prior art, the invention has the following advantages: the invention provides a portable simple flowmeter, which is characterized in that a rubber nozzle is arranged, a resistance strain gauge and a temperature sensor are embedded on the rubber nozzle, when equipment does not work, the tip of the rubber nozzle is automatically closed because the rubber nozzle has elastic shrinkage property, when the equipment works, liquid flows out after rushing out of the tip of the rubber nozzle, the resistance strain gauge is driven to generate certain deformation in the process, the temperature sensor can effectively detect the liquid temperature, the detection data of the resistance strain gauge and the temperature sensor can be effectively detected through a controller, and then the real-time flow can be effectively converted, so that the equipment can effectively count the liquid flow of various flow rates and flow rates, the testing precision of the equipment can be effectively measured even if the liquid flow rate in the cavity of the equipment is less and is difficult to fill the equipment, the size of the second part is different, the connecting piece has various specifications, the connecting piece can be effectively adapted to various non-stored test pipelines, and the application range of the equipment is improved.
Drawings
Fig. 1 is a schematic structural view of a portable simple flowmeter according to the present invention.
In the figure: 1. a housing; 2. a measuring device; 3. a connecting piece; 4. a rubber nozzle; 5. resistance strain gauge; 6. a temperature sensor; 7. a first flange; 8. a first component; 9. a second component; 10. a clamping device; 11. a groove; 12. a control device; 13. and a second flange.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, an embodiment of the present invention is provided: the utility model provides a portable simple flowmeter, including casing 1, measuring device 2 and connecting piece 3, and casing 1, measuring device 2 and connecting piece 3 are all hollow, measuring device 2 is installed to the one end of casing 1, the other end is connected with connecting piece 3, measuring device 2 specifically comprises rubber mouth 4, resistance strain gauge 5, temperature sensor 6, rubber mouth 4 specifically is both ends open-ended toper structure, its pointed end's diameter is less than the diameter of the other end, under the state of not using, because of rubber self elasticity nature, its pointed end can be in the confined state, so can ensure effectively that all liquid that flows through equipment can be effectively measured, the measuring precision has been improved, the great one end of rubber mouth 4 opening is connected with casing 1, resistance strain gauge 5 and temperature sensor 6 all inlay on rubber mouth 4's lateral wall, when liquid flows through the rubber nozzle 4, the tip of the rubber nozzle 4 is expanded, at the moment, the resistance strain gauge 5 deforms along with the rubber nozzle 4, meanwhile, the temperature sensor 6 can effectively detect the liquid temperature, the controller can effectively detect the detection data of the resistance strain gauge 5 and the temperature sensor 6, real-time flow is obtained and displayed, a first flange 7 is fixedly arranged at one end of the shell 1 connected with the connecting piece 3, the connecting piece 3 is in a whole structure formed by a first part 8 and a second part 9, the inner diameter of the first part 8 is identical to the inner diameter of the shell 1, a second flange 13 corresponding to the first flange 7 is fixedly arranged at one end of the first part 8 connected with the shell 1, the shell 1 and the first part 8 are tightly connected through the mutual fit between the first flange 7 and the second flange 13, the other end of the first part 8 is connected with the second part 9, the end of the second part 9 remote from the first part 8 is connected to the measuring pipe;
the larger end of the rubber nozzle 4 is fixedly sleeved at one end of the shell 1 through the clamping device 10, the shell 1 is provided with the groove 11 corresponding to the clamping device 10, and the measuring device 2 can be effectively disassembled through the mutual matching of the clamping device 10 and the groove 11, so that the portability of the equipment is improved, and the later maintenance is facilitated;
the internal diameter of the second part 9 is not smaller than the internal diameter of the first part 8, at the moment, the device can measure the flow with the pipe diameter larger than or equal to the internal diameter of the shell 1, the internal diameter of the second part 9 is smaller than the internal diameter of the first part 8, at the moment, the device can measure the flow with the pipe diameter smaller than the internal diameter of the shell 1, so that the connecting piece 3 has various formats, the device can adapt to flow tests of pipes with pipe diameters of different sizes, and the adaptability of the device is greatly improved.
Claims (5)
1. The utility model provides a portable simple flowmeter, includes casing, measuring device and connecting piece, just casing, measuring device with the connecting piece is all hollow, the one end of casing is connected with measuring device, and the other end is connected with the connecting piece, its characterized in that, measuring device is specifically by rubber mouth, resistance strain gauge, temperature sensor constitute, the rubber mouth is specifically the conical structure of both ends open-ended, its pointed end is in the confined state when not working, the other end with the casing is connected, resistance strain gauge with temperature sensor all inlays and is put on the lateral wall of rubber mouth, the casing with the one end fixed mounting that the connecting piece is connected has first flange, the connecting piece is specifically by the integral structure of first part and second part, the internal diameter of first part with the internal diameter of casing is the same, the one end fixed mounting of first part with the casing is connected with the second flange corresponding, the other end of first part with the second part is connected, the one end of second part is kept away from the first part is connected with the measured pipeline;
when the liquid flows through the rubber nozzle, the tip of the rubber nozzle is expanded, the resistance strain gauge deforms along with the rubber nozzle, the temperature sensor detects the temperature of the liquid, and the control device acquires detection data of the resistance strain gauge and the temperature sensor to obtain real-time flow.
2. The portable simple flowmeter of claim 1, wherein the larger end of the rubber nozzle is fixedly sleeved at one end of the housing through a clamping device, and the housing is provided with a groove corresponding to the clamping device.
3. The portable simple flowmeter of claim 1, wherein the housing is provided with a control device in signal communication with the resistive strain gauge and the temperature sensor, respectively.
4. The portable simple flowmeter of claim 1, wherein the second member has an inner diameter that is not less than the inner diameter of the first member.
5. The portable simple flowmeter of claim 1, wherein the second member has an inner diameter that is smaller than an inner diameter of the first member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711169856.1A CN107702754B (en) | 2017-11-22 | 2017-11-22 | Portable simple flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711169856.1A CN107702754B (en) | 2017-11-22 | 2017-11-22 | Portable simple flowmeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107702754A CN107702754A (en) | 2018-02-16 |
| CN107702754B true CN107702754B (en) | 2023-12-22 |
Family
ID=61185373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711169856.1A Active CN107702754B (en) | 2017-11-22 | 2017-11-22 | Portable simple flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107702754B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1088929A (en) * | 1965-08-28 | 1967-10-25 | Lord Mayor Aldermen Cit | Improvements relating to apparatus for measuring the depth of liquid flowing in pipes and channels |
| CN2337530Y (en) * | 1998-04-09 | 1999-09-08 | 上海普联科技有限公司 | Impulse flowmeter |
| WO2000070311A2 (en) * | 1998-12-11 | 2000-11-23 | Adalbert Kopera | Device for measuring flow speed and/or rate and expansion body for measuring the pressure of a fluid medium |
| KR20060038695A (en) * | 2004-11-01 | 2006-05-04 | 주식회사 티엠티엔지니어링 | Flowmeter using strain gauge |
| CN101865708A (en) * | 2009-04-15 | 2010-10-20 | 姚贤卿 | Differential capacitance target-type flow sensor |
| CN102353406A (en) * | 2011-07-06 | 2012-02-15 | 王可崇 | Flowmeter with middle through-hole movable throttling element connected with elastic membranes or bellows |
| CN203163786U (en) * | 2013-03-04 | 2013-08-28 | 中国石油化工股份有限公司 | Strain type resistance flowmeter |
| CN103591994A (en) * | 2013-11-29 | 2014-02-19 | 湖北泽越电子科技有限公司 | High-accuracy flow measuring device not affected by environmental factors |
| CN104215280A (en) * | 2014-10-08 | 2014-12-17 | 王可崇 | Strain target flowmeter capable of restraining temperature drift |
| CN105157881A (en) * | 2015-05-04 | 2015-12-16 | 王可崇 | Calorimeter based on central through hole movable throttling element target type flowmeter |
| CN207423274U (en) * | 2017-11-22 | 2018-05-29 | 安徽省锐凌计量器制造有限公司 | A kind of portable Simple flowmeter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6792814B2 (en) * | 2002-04-10 | 2004-09-21 | Rutgers, The State University Of New Jersey | Flowmeter |
-
2017
- 2017-11-22 CN CN201711169856.1A patent/CN107702754B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1088929A (en) * | 1965-08-28 | 1967-10-25 | Lord Mayor Aldermen Cit | Improvements relating to apparatus for measuring the depth of liquid flowing in pipes and channels |
| CN2337530Y (en) * | 1998-04-09 | 1999-09-08 | 上海普联科技有限公司 | Impulse flowmeter |
| WO2000070311A2 (en) * | 1998-12-11 | 2000-11-23 | Adalbert Kopera | Device for measuring flow speed and/or rate and expansion body for measuring the pressure of a fluid medium |
| KR20060038695A (en) * | 2004-11-01 | 2006-05-04 | 주식회사 티엠티엔지니어링 | Flowmeter using strain gauge |
| CN101865708A (en) * | 2009-04-15 | 2010-10-20 | 姚贤卿 | Differential capacitance target-type flow sensor |
| CN102353406A (en) * | 2011-07-06 | 2012-02-15 | 王可崇 | Flowmeter with middle through-hole movable throttling element connected with elastic membranes or bellows |
| CN203163786U (en) * | 2013-03-04 | 2013-08-28 | 中国石油化工股份有限公司 | Strain type resistance flowmeter |
| CN103591994A (en) * | 2013-11-29 | 2014-02-19 | 湖北泽越电子科技有限公司 | High-accuracy flow measuring device not affected by environmental factors |
| CN104215280A (en) * | 2014-10-08 | 2014-12-17 | 王可崇 | Strain target flowmeter capable of restraining temperature drift |
| CN105157881A (en) * | 2015-05-04 | 2015-12-16 | 王可崇 | Calorimeter based on central through hole movable throttling element target type flowmeter |
| CN207423274U (en) * | 2017-11-22 | 2018-05-29 | 安徽省锐凌计量器制造有限公司 | A kind of portable Simple flowmeter |
Non-Patent Citations (2)
| Title |
|---|
| 亚干式深孔钻削系统及其试验分析;席卫锋;彭海;;新技术新工艺(第01期);第45-47页 * |
| 应变靶式流量计的误差分析与对策;蒋庆, 周泽魁, 杨娜;自动化仪表(第06期);第12-15页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107702754A (en) | 2018-02-16 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A portable and simple flow meter Granted publication date: 20231222 Pledgee: China Construction Bank Lujiang Sub branch Pledgor: ANHUI RUILING GAUGE MANUFACTURING CO.,LTD. Registration number: Y2024980006418 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |