CN205506129U - Multichannel square needle tubing flow measuring device - Google Patents
Multichannel square needle tubing flow measuring device Download PDFInfo
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- CN205506129U CN205506129U CN201620339873.XU CN201620339873U CN205506129U CN 205506129 U CN205506129 U CN 205506129U CN 201620339873 U CN201620339873 U CN 201620339873U CN 205506129 U CN205506129 U CN 205506129U
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- pipe
- pressure
- needle tubing
- pressure pipe
- square needle
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Abstract
The utility model relates to a flow measurement equipment technical field especially relates to a multichannel square needle tubing flow measuring device, including the mount pad, be equipped with measured module and processing module on the mount pad, a plurality of measuring transducer of measured module, measuring transducer include the measuring junction, and the length of every measuring transducer's measuring junction is different, and measuring transducer includes the test rod, being equipped with the high pressure in the test rod and getting and press pipe and low pressure to get to press the pipe, the cross -section of probe is " V " and appears, processing module includes differential pressure transmitter, and differential pressure transmitter is connected with two voltage -sharing pipes, and two voltage -sharing pipes are got the connecting pipe of pressing pipe and low pressure to get the pressure pipe with the high pressure respectively and are connected. The utility model provides a pair of multichannel square needle tubing flow measuring device is because the increase of measuring point can be similar to reproduction pipeline mean flow rate more, therefore accuracy improves greatly, the range compares the increase. Simultaneously, multichannel square needle tubing flow measuring device prevents stifled superior performance, and device reliability, stability are well.
Description
Technical field
This utility model relates to flow measurement technical field, particularly relates to a kind of multichannel square needle tubing flow measurement device.
Background technology
At present, generally generally using inserting-type flowmeter for large diameter pipeline gas flow, wherein most is differential pressure type inserting-type flowmeter, such as mean velocity tube flowmeter, Pi Tuoba effusion meter etc..The flow in pipeline is measured by differential pressure type inserting-type flowmeter.
But, the single effusion meter of the many employings of city head measures, measuring point is one, it is difficult to perfect, preferably to reflect pipeline medium mean flow rate, so that the accuracy of instrument measurement, range ratio are affected, and, easily there is the phenomenons such as blocking, less stable in common inserting-type flowmeter.Along with the quantifying further of energy conservation, accuracy, market in urgent need one i.e. blockage resisting, simultaneously range ratio, accuracy height, stable and reliable operation, plug-in type gas flowmeter that maintenance is little.
Utility model content
The purpose of this utility model is to propose a kind of multichannel square needle tubing flow measurement device, with the technical problem solving range ratio present in prior art, accuracy is low, operation stability is poor, maintenance is big.
For reaching this purpose, this utility model by the following technical solutions:
A kind of multichannel square needle tubing flow measurement device, including mounting seat, described mounting seat is provided with measurement module and processing module；
Described measurement module multiple measurement sensor, described measurement sensor includes measuring end, and the length measuring end of each described measurement sensor is different, and described measurement sensor includes detecting bar, the bottom of described detection bar connects probe, and part described detection bar and described probe are described measurement end；
High pressure pressure pipe and low pressure pressure pipe it is provided with in described detection bar, described probe includes two pipelines, the top of two described pipelines is connected with described high pressure pressure pipe and described low pressure pressure pipe respectively, the bottom of two described pipelines is equipped with angular cutouts, the cross section of described probe is V-shaped, and the end of described high pressure pressure pipe and described low pressure pressure pipe is connected to connecting pipe；
Described processing module includes differential pressure transmitter, and described differential pressure transmitter connects two balance pipes, and two described balance pipes described connecting pipe with described high pressure pressure pipe and described low pressure pressure pipe respectively is connected.
Further, multiple described measurement sensors are located along the same line, along top to the increasing lengths measuring end measuring sensor described in tail end direction；
The angular cutouts of the described pipeline that high pressure pressure pipe described in each described measurement sensor connects is towards direction, top.
Further, described measurement sensor also includes pilot block, and the bottom of described pilot block connects sleeve pipe, and the bottom of described sleeve pipe is socketed the end of described detection bar；
Being provided with two transmission pipes in described pilot block, one end of two described transmission pipes is connected with described high pressure pressure pipe and described low pressure pressure pipe respectively, and the other end is connected with described connecting pipe respectively.
Further, the pipeline in described high pressure pressure pipe, described low pressure pressure pipe and described probe is pipe, and described high pressure pressure pipe is identical with the diameter of described low pressure pressure pipe, and more than the diameter of the pipeline in described probe.
Further, described processing module also includes valve body, and described differential pressure transmitter is connected with described balance pipe by valve body.
Further, described measurement module includes 3 measurement sensors.
Further, described mounting seat is provided with jack hole, and described detection bar passes described jack hole, and described detection bar is welded to connect with described jack hole.
A kind of multichannel square needle tubing flow measurement device that this utility model provides, permutation and combination by multiple measurement sensors, the different layouts of pressure measurement points, differential pressure transmitter high-pressure side is caused after each measurement sensor pressure point high-side signal (i.e. stagnation pressure signal) is average in the balance pipe of high pressure, differential pressure transmitter low-pressure side is caused after low-side signal (i.e. static pressure signal) is average in the balance pipe of low pressure, the differential pressure square value that differential pressure transmitter is surveyed is directly proportional to pipeline mean flow rate, thus draws pipeline flow value.
This multichannel square needle tubing flow measurement device is relative to the flow measurement of single effusion meter, owing to measuring the increase of point, being better able to approximation projection pipeline mean flow rate, therefore accuracy of measurement is greatly improved (1.0 grades), range ratio increases (10:1).Simultaneously, the angular cutouts that during use, high pressure pressure pipe connects is towards media flow direction, i.e. meeting stream side is higher-pressure region, irregular eddy current is formed during media flow, drive impurity flows, stoping impurity particle to enter probe and pressure pipe, multichannel square needle tubing flow measurement device anti-blocking performance is superior, device reliability, has good stability.
Accompanying drawing explanation
Fig. 1 is the use state diagram of the multichannel square needle tubing flow measurement device that this utility model embodiment provides；
Fig. 2 is the structural representation measuring sensor of the multichannel square needle tubing flow measurement device that this utility model embodiment provides.
In figure:
1, mounting seat；2, sensor is measured；3, differential pressure transmitter；4, balance pipe；5, valve body；6, field pipes；21, detection bar；22, probe；23, high pressure pressure pipe；24, low pressure pressure pipe；25, connecting pipe；26, pilot block；27, sleeve pipe.
Detailed description of the invention
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by detailed description of the invention.
As depicted in figs. 1 and 2, a kind of multichannel square needle tubing flow measurement device, including mounting seat 1, mounting seat 1 is provided with measurement module and processing module；
Measurement module includes multiple measurement sensor 2, measuring sensor 2 to include measuring end, the length measuring end of each measurement sensor 2 is different, measures sensor 2 and includes detecting bar 21, the bottom of detection bar 21 connects probe 22, and part detection bar 21 and probe 22 are for measuring end；
It is provided with high pressure pressure pipe 23 and low pressure pressure pipe 24 in detection bar 21, probe 22 includes two pipelines, the top of two pipelines is connected with high pressure pressure pipe 23 and low pressure pressure pipe 24 respectively, the bottom of two pipelines is equipped with angular cutouts, the cross section of probe 22 is V-shaped, and the end of high pressure pressure pipe 23 and low pressure pressure pipe 24 is connected to connecting pipe 25；
Processing module includes differential pressure transmitter 3, and differential pressure transmitter 3 connects has two balance pipes 4, two balance pipes 4 to be connected with the connecting pipe 25 of high pressure pressure pipe 23 and low pressure pressure pipe 24 respectively.
Measurement equipment in use, is primarily present two defects, and one is that measurement apparatus clogging easily occurs, and what impact was measured is normally carried out, and another is the precision measured.
In order to realize anticlogging situation, the form of probe 22 employing angular cutouts, the angular cutouts that its mesohigh pressure pipe 23 connects is arranged with media flow convection current, in flow process, media impingement inclined plane forms irregular eddy current, thus drive impurity to flow, stop impurity particle to enter probe 22 and pressure pipe.Wherein, further, the pipeline in high pressure pressure pipe 23, low pressure pressure pipe 24 and probe 22 is pipe, and high pressure pressure pipe 23 is identical with the diameter of low pressure pressure pipe 24, and more than the diameter of the pipeline in probe 22.Pressure tubing internal diameter increases design (being typically not less than Φ 8), prevents large granular impurity from entering or even blocking, further increases anti-blocking performance, and pressure is stable.
Improving certainty of measurement by arranging multiple measurement sensor 2, multiple measurement sensors 2 are located along the same line, along top to the increasing lengths measuring end of tail end orientation measurement sensor 2；
The angular cutouts of the pipeline that each measurement sensor 2 mesohigh pressure pipe 23 connects is towards direction, top.
During installation, mounting seat 1 is arranged on field pipes 6, along media flow direction, the two ends measuring sensor 2 are gradually increased, wherein, the length of concrete each inserted field pipes of measurement end 6 determines according to according to Chebyshev method, and then the mean flow rate of more satisfactory reflection pipeline medium.During execute-in-place, mounting seat 1 can be welded to connect with field pipes 6.
Measuring sensor 2 and also include pilot block 26, the bottom of pilot block 26 connects sleeve pipe 27, the end of the bottom socket detection bar 21 of sleeve pipe 27；
Being provided with two transmission pipes in pilot block 26, one end of two transmission pipes is connected with high pressure pressure pipe 23 and low pressure pressure pipe 24 respectively, and the other end is connected with connecting pipe 25 respectively.
Whole measurement sensor 2 is set to Split type structure by pilot block 26, is i.e. connected detection bar 21 and connecting pipe 25 respectively by pilot block 26, uses Split type structure to be convenient for measuring the manufacturing of sensor 2, meanwhile, is beneficial to the assembly with mounting seat 1, it is provided that work efficiency.
Processing module also includes that valve body 5, differential pressure transmitter 3 are connected with balance pipe 4 by valve body 5.Use valve body 5 to control simple and fast, and precision is higher.
Preferably, measurement module includes 3 measurement sensors 2.
Mounting seat 1 is provided with jack hole, and detection bar 21 is through jack hole, and detection bar 21 is welded to connect with jack hole.During use, media flow has certain impulsive force to probe 22 and detection bar 21, therefore, uses the mode being welded to connect, and connects more firm, and stability is higher.
Know-why of the present utility model is described above in association with specific embodiment.These descriptions are intended merely to explain principle of the present utility model, and can not be construed to the restriction to this utility model protection domain by any way.Based on explanation herein, those skilled in the art need not pay performing creative labour can associate other detailed description of the invention of the present utility model, within these modes fall within protection domain of the present utility model.
Claims (7)
1. a multichannel square needle tubing flow measurement device, it is characterised in that include that mounting seat (1), described mounting seat (1) are provided with measurement module and processing module；
Described measurement module includes multiple measurement sensor (2), described measurement sensor (2) includes measuring end, the length measuring end of each described measurement sensor (2) is different, described measurement sensor (2) includes detecting bar (21), it is described measurement end that the bottom connection of described detection bar (21) has probe (22), part described detection bar (21) and described probe (22)；
High pressure pressure pipe (23) and low pressure pressure pipe (24) it is provided with in described detection bar (21), described probe (22) includes two pipelines, the top of two described pipelines is connected with described high pressure pressure pipe (23) and described low pressure pressure pipe (24) respectively, the bottom of two described pipelines is equipped with angular cutouts, the cross section of described probe (22) is V-shaped, and the end of described high pressure pressure pipe (23) and described low pressure pressure pipe (24) is connected to connecting pipe (25)；
Described processing module includes differential pressure transmitter (3), described differential pressure transmitter (3) connects two balance pipes (4), and two described balance pipes (4) described connecting pipe (25) with described high pressure pressure pipe (23) and described low pressure pressure pipe (24) respectively is connected.
Multichannel square needle tubing flow measurement device the most according to claim 1, it is characterized in that, multiple described measurement sensors (2) are located along the same line, along top to the increasing lengths measuring end measuring sensor (2) described in tail end direction；
Described in each described measurement sensor (2), the angular cutouts of the described pipeline that high pressure pressure pipe (23) connects is towards direction, top.
Multichannel square needle tubing flow measurement device the most according to claim 1, it is characterized in that, described measurement sensor (2) also includes pilot block (26), the bottom of described pilot block (26) connects sleeve pipe (27), and the bottom of described sleeve pipe (27) is socketed the end of described detection bar (21)；
Two transmission pipes it are provided with in described pilot block (26), one end of two described transmission pipes is connected with described high pressure pressure pipe (23) and described low pressure pressure pipe (24) respectively, and the other end is connected with described connecting pipe (25) respectively.
Multichannel square needle tubing flow measurement device the most according to claim 1, it is characterized in that, pipeline in described high pressure pressure pipe (23), described low pressure pressure pipe (24) and described probe (22) is pipe, described high pressure pressure pipe (23) is identical with the diameter of described low pressure pressure pipe (24), and more than the diameter of the pipeline in described probe (22).
Multichannel square needle tubing flow measurement device the most according to claim 1, it is characterized in that, described processing module also includes valve body (5), and described differential pressure transmitter (3) is connected with described balance pipe (4) by valve body (5).
Multichannel square needle tubing flow measurement device the most according to claim 1, it is characterised in that described measurement module includes 3 described measurement sensors (2).
Multichannel square needle tubing flow measurement device the most according to claim 1, it is characterized in that, described mounting seat (1) is provided with jack hole, and described detection bar (21) passes described jack hole, and described detection bar (21) is welded to connect with described jack hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620339873.XU CN205506129U (en) | 2016-04-21 | 2016-04-21 | Multichannel square needle tubing flow measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620339873.XU CN205506129U (en) | 2016-04-21 | 2016-04-21 | Multichannel square needle tubing flow measuring device |
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| Publication Number | Publication Date |
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| CN205506129U true CN205506129U (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620339873.XU Expired - Fee Related CN205506129U (en) | 2016-04-21 | 2016-04-21 | Multichannel square needle tubing flow measuring device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716670A (en) * | 2016-04-21 | 2016-06-29 | 承德菲时博特自动化设备有限公司 | Multichannel rectangular needle tube flow measurement device |
| CN108332232A (en) * | 2018-01-18 | 2018-07-27 | 北京源深节能技术有限责任公司 | Turbulent burner Secondary Air on-line measurement system |
| CN108386867A (en) * | 2018-01-18 | 2018-08-10 | 北京源深节能技术有限责任公司 | Turbulent burner Secondary Air On-line Measuring Method |
-
2016
- 2016-04-21 CN CN201620339873.XU patent/CN205506129U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716670A (en) * | 2016-04-21 | 2016-06-29 | 承德菲时博特自动化设备有限公司 | Multichannel rectangular needle tube flow measurement device |
| CN108332232A (en) * | 2018-01-18 | 2018-07-27 | 北京源深节能技术有限责任公司 | Turbulent burner Secondary Air on-line measurement system |
| CN108386867A (en) * | 2018-01-18 | 2018-08-10 | 北京源深节能技术有限责任公司 | Turbulent burner Secondary Air On-line Measuring Method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20180421 |