CN109269622A - A kind of pipeline fittings vibration and noise test device - Google Patents
A kind of pipeline fittings vibration and noise test device Download PDFInfo
- Publication number
- CN109269622A CN109269622A CN201811275744.9A CN201811275744A CN109269622A CN 109269622 A CN109269622 A CN 109269622A CN 201811275744 A CN201811275744 A CN 201811275744A CN 109269622 A CN109269622 A CN 109269622A
- Authority
- CN
- China
- Prior art keywords
- hydrophone
- vibration
- pipeline fittings
- noise
- pipeline
- 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.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000004744 fabric Substances 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 14
- 230000005484 gravity Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000005086 pumping Methods 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
- G01H1/12—Measuring characteristics of vibrations in solids by using direct conduction to the detector of longitudinal or not specified vibrations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The present invention relates to a kind of pipeline fittings vibration and noise test devices, belong to pipeline vibration noise technique field.The test device is flowed using the gravity drive fluid that water tower provides, and is realized the unpowered driving of tube fluid, is avoided influence of the pumping source to pipeline fittings vibration noise；By recording the vibration noise of pipeline fittings upstream and downstream and the radiated noise of tube outlet, the vibration and far-field radiation noise characteristic of pipeline fittings can be provided comprehensively.The test philosophy of test device of the present invention is simple, and test result reliability is high, and the test device is easy for installation, environmental suitability is strong, can be widely applied to the pipeline fittings vibration and noise test of various models.
Description
Technical field
Present invention relates particularly to it is a kind of suitable for the accessory vibrations noise characteristics such as valve, elbow, filter on pipeline into
The device of row test, belongs to pipeline vibration noise technique field.
Background technique
In order to realize flow adjusting, cut-off non-return, the various functions such as pressure stabilizing shunts, flow direction changes, in pipe-line system usually
Arrange the attachmentes such as a large amount of valve, elbow, filter.Above-mentioned attachment is the important control unit of pipe-line system.But due to certainly
The inherent characteristics of body structure, these attachmentes often become secondary noise source of the pipe-line system in addition to water pump.For example, valve meeting
Cause the throttling of tube fluid, generates throttling noise；Elbow can cause tube fluid secondary flow, generate whirlpool burbling noise；
There are a large amount of protrusions and bowl configurations inside filter, can also generate and stream with cavity noise etc..Therefore, the vibration of pipeline fittings is grasped
Moving noise characteristic, is very important for the vibration noise of control piping system.
The common method of the vibration and noise test of pipeline fittings is general are as follows: builds pipeline rack by land, is driven by water pump
Dynamic fluid flowing arranges hydrophone on pipeline section before and after the attachment to be measured；Measurement is by the hydrophone noise p before and after attachment1And p2,
The two subtracts each other the noise delta p=p for obtaining attachment to be measured2-p1.Two disadvantages of this method: (1) the water pump noise one of fluid is driven
As it is larger, the noise of attachment to be measured may be masked, test result needs to carry out noise source separation and post-processing；(2) it measures
The attachment noise delta p information arrived is not perfect, contains only the near field fluid pulsation information of attachment to be measured, can not really reflect its far field
Radiated noise characteristic.
Summary of the invention
Deficiency existing for vibration noise for prior art test pipeline fittings, the present invention provides a kind of pipeline fittings
Vibration and noise test device provides gravity drive fluid using water tower and flows, avoids influence of the pumping source to pipeline fittings noise；
By recording the vibration noise of pipeline fittings upstream and downstream and the radiated noise of tube outlet, it is attached pipeline can be provided comprehensively
The vibration and far-field radiation noise characteristic of part.Described device test philosophy is simple, and test result reliability is high, installation and user
Face, environmental suitability are strong.
The purpose of the present invention is what is be achieved through the following technical solutions.
A kind of pipeline fittings vibration and noise test device, described device include water tower, flow control valve, upstream, to
Survey pipeline fittings, downstream pipe, vibrating sensor I, hydrophone I, hydrophone II, vibrating sensor II, hydrophone III, pond,
Data acquisition unit and computer；
The water that sufficient amount is stored in water tower guarantees to provide the steady flow of certain time, passes through gravity drive pipeline
Interior fluid flowing；Pool size must be sufficiently large, to guarantee not generating reverberation shadow to the radiated noise of downstream pipe output end
It rings；
Flow control valve is mounted in upstream, and the input terminal of upstream is connect with water tower bottom, upstream
Connecting pin is connect with one end of pipeline fittings to be measured, and the connecting pin of downstream pipe is connect with the other end of pipeline fittings to be measured, under
The output end on play pipe road is passed into pond；Vibrating sensor I is mounted on upstream outer surface, for measuring upstream
Structural vibration, hydrophone I is mounted on inside upstream, for measuring upstream internal flow self noise；Hydrophone II
It is mounted on inside downstream pipe, for measuring downstream pipe internal flow self noise, vibrating sensor II is mounted on downstream pipe
On outer surface, for measuring the structural vibration of downstream pipe；Hydrophone III is arranged in pond, is responsible for measurement downstream pipe output
The radiated noise at end；Vibrating sensor I, hydrophone I, hydrophone II, vibrating sensor II and hydrophone III respectively with data
The signal input part of acquisition unit connects, and received pressure signal is mainly converted to digital signal by data acquisition unit, and
Carry out the operation such as signal amplification, conditioning, filtering；The connection of the signal output end of computer and data acquisition unit, computer will connect
The digital signal of receipts is stored and is analyzed.
Further, pipeline fittings to be measured and upstream and downstream pipe pass through flanged joint.
Further, vibrating sensor I, hydrophone I, hydrophone II and vibrating sensor II and pipeline fittings to be measured
Linear distance is not more than 500mm respectively.
Further, arrange that three or more hydrophones III, three or more hydrophones III are exported with downstream pipe in pond
End center be the center of circle circle on be uniformly distributed, it is ensured that the accuracy of test result；Hydrophone III is straight with downstream pipe output end
Linear distance is greater than 5m, is greater than 2m with the linear distance of basin side wall.
Test data before and after pipeline fittings to be measured is installed in comparison described device, can analyze to obtain the pipeline fittings
Vibration noise characteristic.During the test, by adjusting the aperture of flow control valve, it can control the stream of fluid in upstream
Speed, to complete vibration and noise test of the pipeline fittings to be measured under different in flow rate.
The utility model has the advantages that
The present invention is flowed using the gravity drive fluid that water tower provides, and is realized the unpowered driving of tube fluid, is avoided
Influence of the pumping source to pipeline fittings vibration noise；By the vibration noise and tube outlet that record pipeline fittings upstream and downstream
Radiated noise, the vibration and far-field radiation noise characteristic of pipeline fittings can be provided comprehensively.It is surveyed using device of the present invention
The principle of test tube road pipeline fittings vibration noise is simple, and test result reliability is high, and the device is easy for installation, environment adapts to
Property is strong, can be widely applied to the pipeline fittings vibration and noise test of various models.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of pipeline fittings vibration and noise test device described in embodiment.
Wherein, 1- water tower, 2- upstream, 3- pipeline fittings to be measured, 4- downstream pipe, 5- vibrating sensor I, 6- water are listened
Device I, 7- hydrophone II, 8- vibrating sensor II, 9- hydrophone III, 10- data acquisition unit, 11- computer, 12- flow tune
Save valve, the pond 13-.
Specific embodiment
The present invention is further elaborated with reference to the accompanying drawings and detailed description.
Embodiment 1
A kind of pipeline fittings vibration and noise test device, described device include water tower 1, flow control valve 12, upstream
2, pipeline fittings 3 to be measured, downstream pipe 4, vibrating sensor I 5, hydrophone I 6, hydrophone II 7, vibrating sensor II 8, water are listened
Device III 9, pond 13, data acquisition unit 10 and computer 11；
The water that sufficient amount is stored in water tower 1 guarantees to provide the steady flow of certain time, passes through gravity drive pipeline
Interior fluid flowing；
13 size of pond must be sufficiently large, to guarantee that not generating reverberation to the radiated noise of 4 output end of downstream pipe influences；
The L-type structure that upstream 2 is made of vertical component and horizontal component, vertical component port are upstream 2
Input terminal, horizontal component port are 2 connecting pin of upstream；Due to the knot of pipeline fittings to be measured (such as valve, bend pipe, filter)
Structure is different, and moving towards for downstream pipe 4 is different；
As shown in Figure 1, flow control valve 12 is mounted in upstream 2, for regulating and controlling the fluid stream in upstream 2
Speed；The input terminal of upstream 2 is connect with 1 bottom of water tower, and one end of the connecting pin of upstream 2 and pipeline fittings 3 to be measured is logical
Cross flanged joint, the other ends of the connecting pin of downstream pipe 4 and pipeline fittings 3 to be measured by flanged joint, downstream pipe 4 it is defeated
Outlet is passed into pond 13；Vibrating sensor I 5 is mounted on 2 outer surface of upstream, for measuring the knot of upstream 2
Structure vibration, hydrophone I 6 is mounted on inside upstream 2, for measuring 2 internal flow self noise of upstream；Hydrophone II 7
It is mounted on inside downstream pipe 4, for measuring 4 internal flow self noise of downstream pipe, vibrating sensor II 8 is mounted on downstream tube
On 4 outer surface of road, for measuring the structural vibration of downstream pipe 4；Hydrophone III 9 is arranged in pond 13, is responsible for measurement downstream
The radiated noise of 4 output end of pipeline；Vibrating sensor I 5, hydrophone I 6, hydrophone II 7, vibrating sensor II 8 and hydrophone
III 9 are connect by cable with the signal input part of data acquisition unit 10 respectively, and data acquisition unit 10 mainly will be received
Pressure signal is converted to digital signal, and the operation such as carry out signal amplification, conditioning, filtering；Computer 11 and data acquisition unit
Received digital signal is stored and is analyzed by 10 signal output end connection, computer 11；
Wherein, vibrating sensor I 5, hydrophone I 6, hydrophone II 7 and vibrating sensor II 8 and pipeline fittings 3 to be measured
Linear distance be not more than 500mm respectively: the number of hydrophone III 9 is no less than three, and multiple hydrophones III 9 are with downstream pipe
To be uniformly distributed on the circle in the center of circle, the linear distance of hydrophone III 9 and 4 output end of downstream pipe is greater than 5m at 4 output end centers, with
The linear distance of basin side wall is greater than 2m.The water arranged in above-mentioned hydrophone, the installation site of vibrating sensor and pond 13
Device number is listened, can be adjusted according to actual needs.In addition, by adjust flow control valve 12 aperture, can complete to
Survey vibration and noise test of the pipeline fittings 3 under different in flow rate.
The step of being tested using described device is as follows:
(a) on the basis of device of the present invention, pipeline fittings 3 to be measured are not installed, i.e., directly by upstream 2 under
Play pipe road 4 connects, and the assembly relation between other each components is constant；It opens flow control valve 12 to be tested, record vibration passes
The test data of sensor I 5, hydrophone I 6, hydrophone II 7, vibrating sensor II 8 and hydrophone III 9, is denoted as a ' respectively5、a
′6、a′7、a′8、a′9, after record, close flow control valve 12；
(b) after installing pipeline fittings 3 to be measured between upstream 2 and downstream pipe 4, according to what is tested in step (a)
Condition is tested, at this point, vibrating sensor I 5, hydrophone I 6, hydrophone II 7, vibrating sensor II 8 and hydrophone III 9
Test data be denoted as a respectively5、a6、a7、a8、a9；
(c) test data of the installation of pipeline fittings 3 to be measured front and back is compared, analysis obtains the vibration of this pipeline fittings 3 to be measured
Noise characteristic；Wherein, the calculation formula of the vibration acceleration a of pipeline fittings 3 to be measured, self noise p and radiated noise SP are as follows:
In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (5)
1. a kind of pipeline fittings vibration and noise test device, it is characterised in that: described device includes water tower (1), flow control valve
(12), upstream (2), pipeline fittings to be measured (3), downstream pipe (4), vibrating sensor I (5), hydrophone I (6), hydrophone
II (7), vibrating sensor II (8), hydrophone III (9), pond (13), data acquisition unit (10) and computer (11)；
Flow control valve (12) is mounted on upstream (2), and the input terminal of upstream (2) is connect with water tower (1) bottom, on
The connecting pin on play pipe road (1) is connect with one end of pipeline fittings to be measured (3), and the connecting pin of downstream pipe (4) and pipeline to be measured are attached
The other end of part (3) connects, and the output end of downstream pipe (4) is passed into pond (13)；Vibrating sensor I (5) is mounted on
On play pipe road (2) outer surface, hydrophone I (6) is mounted on upstream (2) inside, and hydrophone II (7) is mounted on downstream pipe
(4) internal, vibrating sensor II (8) is mounted on downstream pipe (4) outer surface, and hydrophone III (9) is arranged in pond, vibration
Sensor I (5), hydrophone I (6), hydrophone II (7), vibrating sensor II (8) and hydrophone III (9) are adopted with data respectively
Collect the signal input part connection of unit (10), computer (11) is connect with the signal output end of data acquisition unit (10).
2. a kind of pipeline fittings vibration and noise test device according to claim 1, it is characterised in that: pipeline fittings to be measured
(3) pass through flanged joint with upstream (2) and downstream pipe (4).
3. a kind of pipeline fittings vibration and noise test device according to claim 1, it is characterised in that: vibrating sensor I
(5), the linear distance of hydrophone I (6), hydrophone II (7) and vibrating sensor II (8) and pipeline fittings to be measured (3) is distinguished
No more than 500mm.
4. a kind of pipeline fittings vibration and noise test device according to claim 1, it is characterised in that: pond (13) interior cloth
Three or more hydrophones III (9) are set, three or more hydrophones III (9) are using downstream pipe (4) output end center as the circle in the center of circle
On be uniformly distributed.
5. a kind of pipeline fittings vibration and noise test device according to claim 1 or 4, it is characterised in that: hydrophone III
(9) it is greater than 5m with the linear distance of downstream pipe (4) output end, is greater than 2m with the linear distance of pond (13) side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811275744.9A CN109269622B (en) | 2018-10-30 | 2018-10-30 | Pipeline accessory vibration noise testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811275744.9A CN109269622B (en) | 2018-10-30 | 2018-10-30 | Pipeline accessory vibration noise testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109269622A true CN109269622A (en) | 2019-01-25 |
| CN109269622B CN109269622B (en) | 2023-12-01 |
Family
ID=65194592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811275744.9A Active CN109269622B (en) | 2018-10-30 | 2018-10-30 | Pipeline accessory vibration noise testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109269622B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776659A (en) * | 2021-11-11 | 2021-12-10 | 枣庄高新区立正安装工程有限公司 | Ventilation system mechanical vibration testing arrangement |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05215584A (en) * | 1991-11-20 | 1993-08-24 | Tokico Ltd | Vibration type measuring device |
| CN103616227A (en) * | 2013-12-09 | 2014-03-05 | 中国船舶重工集团公司第七〇五研究所 | Device and method for evaluating noise reduction effect of pipeline silencer |
| CN104132727A (en) * | 2014-06-23 | 2014-11-05 | 中国建筑设计研究院 | Drainpipe noise test system and test method for high-rise/ultra-high-rise building |
| WO2015065869A1 (en) * | 2013-10-28 | 2015-05-07 | Shell Oil Company | Method and system for monitoring fluid flow in a conduit |
| CN106872010A (en) * | 2017-02-21 | 2017-06-20 | 山东大学 | A kind of measuring method of centrifugal pump hydrodynamic noise |
-
2018
- 2018-10-30 CN CN201811275744.9A patent/CN109269622B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05215584A (en) * | 1991-11-20 | 1993-08-24 | Tokico Ltd | Vibration type measuring device |
| WO2015065869A1 (en) * | 2013-10-28 | 2015-05-07 | Shell Oil Company | Method and system for monitoring fluid flow in a conduit |
| CN103616227A (en) * | 2013-12-09 | 2014-03-05 | 中国船舶重工集团公司第七〇五研究所 | Device and method for evaluating noise reduction effect of pipeline silencer |
| CN104132727A (en) * | 2014-06-23 | 2014-11-05 | 中国建筑设计研究院 | Drainpipe noise test system and test method for high-rise/ultra-high-rise building |
| CN106872010A (en) * | 2017-02-21 | 2017-06-20 | 山东大学 | A kind of measuring method of centrifugal pump hydrodynamic noise |
Non-Patent Citations (2)
| Title |
|---|
| 原春晖; 朱显明: "舰艇机械设备噪声振动特性的测试方法", 《舰船科学技术》 * |
| 宋晓琨; 张朝捷: "建筑排水管材及管件噪声测试给排水系统综述", 《中国建材科技》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776659A (en) * | 2021-11-11 | 2021-12-10 | 枣庄高新区立正安装工程有限公司 | Ventilation system mechanical vibration testing arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109269622B (en) | 2023-12-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203672423U (en) | Ultrasonic metering system with orifice plate flow meter device | |
| CA2922182C (en) | Conical-faced ultrasonic transducer, flow meter, and method | |
| CN106871981A (en) | A kind of flow passage structure for ultrasonic wave gas, water, hotlist or flowmeter | |
| CN106030254A (en) | Gas flowmeter | |
| RU2705705C1 (en) | Vortex flow meter with reduced process interference | |
| CN109269622A (en) | A kind of pipeline fittings vibration and noise test device | |
| CN204286515U (en) | Quarter bend formula electromagnetic flow transducer | |
| CN208350150U (en) | A kind of ultrasonic flowmeter | |
| CN202956154U (en) | Gas ultrasonic flowmeter denoising device | |
| CN209296134U (en) | A kind of pipeline fittings vibration and noise test device | |
| CN111169607B (en) | Circulating reverberation water pool for measuring radiation noise of underwater vehicle | |
| CN102680585B (en) | Ultrasonic detector based design method for water-logging probe water-spray coupling device | |
| CN101349581B (en) | Insert type flow measuring device based on MEMS sensor | |
| CN102032147A (en) | Gas pulsation vibration damper | |
| CN205352483U (en) | Gaseous ultrasonic wave flow measuring device of rectification type | |
| CN110260931B (en) | Liquid propellant pipeline flow field quality evaluation system and evaluation method | |
| CN105784292A (en) | Piston air leakage amount measurement system based on balanced flow meter | |
| CN106195648B (en) | A kind of experimental test procedures of the equivalent pipe range of reducer pipe | |
| CN108758153A (en) | A kind of gas pipeline silencing vibration-damping device | |
| CN106643919B (en) | Flue gas flow measuring method and measuring device | |
| CN105784033B (en) | Sheet type multi-sound-path ultrasonic flow measurement sensor and use method thereof | |
| CN208651941U (en) | A kind of gas pipeline silencing vibration-damping device | |
| CN206387461U (en) | A kind of Ultrasonic water meter shell with unilateral double check valve (DCV) structure | |
| RU115467U1 (en) | SENSOR FOR ULTRASONIC FLOW METER | |
| CN109324114A (en) | The evaluation method of water pump and pipeline acoustic characteristic in a kind of reverberation tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |