CN108051080A - The online noise test platform of generator - Google Patents
The online noise test platform of generator Download PDFInfo
- Publication number
- CN108051080A CN108051080A CN201810108014.3A CN201810108014A CN108051080A CN 108051080 A CN108051080 A CN 108051080A CN 201810108014 A CN201810108014 A CN 201810108014A CN 108051080 A CN108051080 A CN 108051080A
- Authority
- CN
- China
- Prior art keywords
- generator
- noise test
- noise
- babinet
- overhead door
- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 239000011358 absorbing material Substances 0.000 claims abstract description 15
- 238000009413 insulation Methods 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000011490 mineral wool Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 7
- 230000000717 retained effect Effects 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 2
- 239000011491 glass wool Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
-
- 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
Abstract
The invention belongs to generator performance technical field of measurement and test, are related to the online noise test platform of generator, including babinet, it is characterized in that, babinet front is equipped with overhead door, and overhead door is equipped with magnetic sealing strip with door frame of box contact position, and overhead door center section is equipped with sound insulation form；It is equipped with that the generator support of generator is installed in babinet, the noise measuring stent of noise test head is installed and for driving the transmission device that generator rotates, transmission device is connected by driving belt with generator, generator support coordinates with testboard bracket slide, noise measuring stent is fixed on testboard stent, and noise test head is used to detect the noise under generator operation state；Sound-absorbing material is filled in overhead door and in babinet remaining space；Testboard of the present invention adds noise test function again on the basis of original conventional electrical performance detection is retained, and the acoustic characteristic of generator is tested in the environment that can be eliminated the noise half, and the structure of entire testboard is very reliable.
Description
Technical field
The present invention relates to a kind of online noise test platforms of generator, belong to generator performance technical field of measurement and test.
Background technology
With the continuous development of auto industry, generator design level, technological level are also constantly being promoted, the property of generator
Energy and quality index are all greatly improved.Conventional electrical performance detection can not meet generator production firm and it has been carried out
The demand of complete detection.The online noise test platform of generator of our company's research and development is exactly to compensate for above-mentioned deficiency, using monoblock type
Structure design, integrated computerized data acquisition system, AC variable-frequency speed regulation system, high-power electronic load, digital instrumentation, soon
Fast Pneumatic clamping adds noise test function again on the basis of original conventional electrical performance detection is retained, and can eliminate the noise half
Environment in test generator acoustic characteristic.
The content of the invention
The problem of the purpose of the present invention is being directed in generation current machine performance test, provides a kind of online noise of generator and surveys
Test stand, the testboard add noise test function again on the basis of original conventional electrical performance detection is retained, and can be half
The acoustic characteristic of generator is tested in the environment of noise elimination, the structure of entire testboard is very reliable.
For realization more than technical purpose, the technical scheme is that：The online noise test platform of generator, including babinet,
It is characterized in that, the babinet front is equipped with overhead door, the overhead door is equipped with magnetic sealing strip, institute with door frame of box contact position
Overhead door center section is stated equipped with sound insulation form, the above and below overhead door of sound insulation form is interior to be filled with sound-absorbing material；
It is equipped with that the generator support of generator is installed in the babinet, the noise measuring stent of noise test head is installed and is used for
The transmission device that generator is driven to rotate, the generator support coordinate with testboard bracket slide, the noise measuring stent
It is fixed on testboard stent, the noise test head is used to detect the noise under generator operation state；It is filled out in the babinet
Filled with sound-absorbing material.
Further, sliding slot is equipped with below the generator support, and side is equipped with tensioning cylinder, the testboard branch
Frame is equipped with slideway, and the sliding slot of the generator support is embedded in slideway and under the promotion of tensioning cylinder on testboard stent
It slides.
Further, the transmission device includes motor, and belt pulley, the driving belt are cased in the shaft of the motor
It is respectively fitted on the belt pulley of transmission device and generator to be detected, and is tensioned by tensioning cylinder.
Further, the transmission device is located in the cavity of sound-absorbing material formation.
Further, the overhead door both sides are connected to lifting door cylinder, described under the promotion of lifting door cylinder
Overhead door can be moved up and down along fluctuating orbit, and the fluctuating orbit and lifting door cylinder are each attached on the bottom plate of babinet.
Further, the upper end of the fluctuating orbit is equipped with warp rail, and the end of the warp rail is equipped with magnetic close
Strip of paper used for sealing.
Further, the sound-absorbing material is centrifugally glass-wool.
Further, the sound insulation form uses compound glass.
Further, the noise test head is microphone.
The present invention has the following advantages：
1）Using magnetic seal door item, effectively completely cut off interference of the ambient noise to box house；
2）Filling sound-absorbing material, can slow down sound transmission inside overhead door；
3）The fluctuating orbit upper end of overhead door is cambered, can increase the pressing force to magnetic seal door item；
4）Sound insulation form uses compound glass, to completely cut off the propagation of sound；
5）The noise test platform of the present invention adds noise test function while original conventional electrical performance detection is retained.
Description of the drawings
Fig. 1 is the positive structure diagram that overhead door of the present invention is opened.
Fig. 2 is the schematic cross-sectional view that overhead door closes A-A in Fig. 1.
Reference sign：1- noise measurings stent, 2- lifting cylinders, 3- overhead doors, 4- magnetic sealing strips, 5- sound-absorbings
Material, 6- sound insulations form, 7- fluctuating orbits, 8- testboards stent, 9- babinets, 10- transmission devices, 11- generator supports, 12-
Tensioning cylinder and 13- driving belts.
Specific embodiment
With reference to specific drawings and examples, the invention will be further described.
As shown in Figures 1 and 2, the online noise test platform of generator, including babinet 9, which is characterized in that the babinet 9
Front is equipped with overhead door 3, and the overhead door 3 is with being equipped with magnetic sealing strip 4,3 middle part of overhead door at 9 door frame contact of babinet
It is arranged with sound insulation form 6, the sound insulation form 6 uses compound glass, in the 6 above and below overhead door 3 of sound insulation form
Filled with sound-absorbing material 5；It is equipped with that the generator support 11 of generator is installed, noise test head is installed in the babinet 9
Noise measuring stent 1 and for driving the transmission device 10 that generator rotates, filled with sound-absorbing material 5, institute in the babinet 9
Sound-absorbing material 5 is stated as centrifugally glass-wool, the transmission device 10 is connected by driving belt 13 with generator, the generator branch
Frame 11 is slidably matched with testboard stent 8, and the noise measuring stent 1 is fixed on testboard stent 8, the noise test head
For detecting the noise under generator operation state to be detected, the noise test head is microphone, microphone in the present embodiment
Model 46AE；
11 lower section of generator support is equipped with sliding slot, and side is equipped with tensioning cylinder 12, and the testboard stent 8 is equipped with
Slideway, the sliding slot of the generator support 11 are embedded in slideway and are slided under the promotion of tensioning cylinder 12 on testboard stent 8
Dynamic, the transmission device 10 includes motor, is cased with belt pulley in the shaft of the motor, the driving belt 13 is respectively fitted over biography
On the belt pulley of dynamic device 10 and generator to be detected, and pass through tensioning cylinder 12 and be tensioned, the transmission device 10 is located at sound-absorbing
In the cavity that material 5 is formed.
3 both sides of overhead door are connected to lifting door cylinder 2, under the promotion of lifting door cylinder 2, the overhead door
3 can move up and down along fluctuating orbit 7, and the fluctuating orbit 7 and lifting door cylinder 2 are each attached on the bottom plate of babinet 9, institute
The upper end for stating fluctuating orbit 7 is equipped with warp rail, and the end of the warp rail is equipped with magnetic sealing strip 4.
The operation principle of the present invention is that under normal circumstances, overhead door 3 when performing a test, passes through to rise closed state
Lifting cylinder 2 moves down overhead door 3 along riser guide 7（3 inside of overhead door is filled with sound-absorbing material 5）, lift at this time
Door 3 is opened, and tested generator is mounted on generator support 11, then driving belt 13 is sleeved on generator and transmission device 10
Belt pulley on, under the promotion of tensioning cylinder 12, engine frock 11, which moves, is tensioned driving belt 13, and generator installs
Afterwards, the noise test head of noise measuring stent 1 is moved to suitable position（The top of generator）, then pass through lifting air again
Cylinder 2, which moves up overhead door 3 along riser guide 7, makes its closing, while will be lifted by 7 upper-end bent portion of riser guide
Door 3 is fitted tightly on magnetic sealing strip 4, just completes all installation processes；Open transmission device 10, the electricity of transmission device 10
Machine rotates, and by driving belt 13 generator is driven to rotate, and noise performance inspection can be carried out to generator by noise test head
It surveys, through 6 observable babinet 9 of sound insulation form（Space in babinet 9 is filled with sound-absorbing material 5）The detection case of interior generator.
Above to the present invention and embodiments thereof be described, this describe it is no restricted, it is attached it is shown in figure also only
It is one of embodiments of the present invention, practical structures are not limited thereto.All in all if those of ordinary skill in the art
It is enlightened by it, without departing from the spirit of the invention, not inventively designed similar to the technical solution
Frame mode and embodiment, are within the scope of protection of the invention.
Claims (9)
1. the online noise test platform of generator, including babinet（9）, which is characterized in that the babinet（9）Front is equipped with overhead door
（3）, the overhead door（3）With babinet（9）Magnetic sealing strip is equipped at door frame contact（4）, the overhead door（3）Middle part sets up separately
There is sound insulation form（6）, the sound insulation form（6）Above and below overhead door（3）It is interior to be filled with sound-absorbing material（5）；The case
Body（9）The interior generator support for being equipped with to install generator（11）, the noise measuring stent of noise test head is installed（1）And
For driving the transmission device that generator rotates（10）, the generator support（11）With testboard stent（8）It is slidably matched, institute
State noise measuring stent（1）It is fixed on testboard stent（8）On, the noise test head is used to detect under generator operation state
Noise, the babinet（9）It is interior to be filled with sound-absorbing material（5）.
2. the online noise test platform of generator according to claim 1, it is characterised in that：The generator support（11）Under
Side is equipped with sliding slot, and side is equipped with tensioning cylinder（12）, the testboard stent（8）It is equipped with slideway, the generator branch
Frame（11）Sliding slot be embedded in slideway and in tensioning cylinder（12）Promotion under in testboard stent（8）Upper slip.
3. the online noise test platform of generator according to claim 2, it is characterised in that：The transmission device（10）Including
Motor is cased with belt pulley, the driving belt in the shaft of the motor（13）It is respectively fitted over transmission device（10）With it is to be detected
On the belt pulley of generator, and pass through tensioning cylinder（12）Tensioning.
4. the online noise test platform of generator according to claim 1, it is characterised in that：The transmission device（10）It is located at
Sound-absorbing material（5）In the cavity of formation.
5. the online noise test platform of generator according to claim 1, it is characterised in that：The overhead door（3）Both sides point
Lifting door cylinder is not connected with（2）, in lifting door cylinder（2）Promotion under, the overhead door（3）It can be along fluctuating orbit
（7）It moves up and down, the fluctuating orbit（7）With lifting door cylinder（2）It is each attached to babinet（9）Bottom plate on.
6. the online noise test platform of generator according to claim 5, it is characterised in that：The fluctuating orbit（7）It is upper
End is equipped with warp rail, and the end of the warp rail is equipped with magnetic sealing strip（4）.
7. the online noise test platform of generator according to claim 1, it is characterised in that：The sound-absorbing material（5）For from
Heart mineral wool.
8. the online noise test platform of generator according to claim 1, it is characterised in that：The sound insulation form（6）Using
Compound glass.
9. the online noise test platform of generator according to claim 1, it is characterised in that：The noise test head is transaudient
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810108014.3A CN108051080A (en) | 2018-02-02 | 2018-02-02 | The online noise test platform of generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810108014.3A CN108051080A (en) | 2018-02-02 | 2018-02-02 | The online noise test platform of generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108051080A true CN108051080A (en) | 2018-05-18 |
Family
ID=62125815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810108014.3A Pending CN108051080A (en) | 2018-02-02 | 2018-02-02 | The online noise test platform of generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108051080A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323756A (en) * | 2018-09-07 | 2019-02-12 | 江苏中聚检测服务有限公司 | A kind of device for noise radiation detection |
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|---|---|---|---|---|
| JP2006234735A (en) * | 2005-02-28 | 2006-09-07 | Nippon Steel Metal Prod Co Ltd | Noise reduction device used during engine test of automobile |
| CN102183369A (en) * | 2011-03-19 | 2011-09-14 | 重庆长安汽车股份有限公司 | Noise tester of engine belt tightener |
| KR20120138370A (en) * | 2011-06-15 | 2012-12-26 | 홍익대학교 산학협력단 | Anechoic chamber combined scale model noise measurement system |
| CN203135617U (en) * | 2013-01-17 | 2013-08-14 | 辽宁工业大学 | Flexible car generator noise test bench |
| CN104266749A (en) * | 2014-10-24 | 2015-01-07 | 重庆市科学技术研究院 | Device and method for offline detecting NVH (Noise Vibration and Harshness) of vehicle generator |
| KR20160135449A (en) * | 2015-05-18 | 2016-11-28 | 주식회사 에프테크 | noise testing apparatus |
| CN207741852U (en) * | 2018-02-02 | 2018-08-17 | 无锡市朗迪测控技术有限公司 | The online noise test platform of generator |
-
2018
- 2018-02-02 CN CN201810108014.3A patent/CN108051080A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006234735A (en) * | 2005-02-28 | 2006-09-07 | Nippon Steel Metal Prod Co Ltd | Noise reduction device used during engine test of automobile |
| CN102183369A (en) * | 2011-03-19 | 2011-09-14 | 重庆长安汽车股份有限公司 | Noise tester of engine belt tightener |
| KR20120138370A (en) * | 2011-06-15 | 2012-12-26 | 홍익대학교 산학협력단 | Anechoic chamber combined scale model noise measurement system |
| CN203135617U (en) * | 2013-01-17 | 2013-08-14 | 辽宁工业大学 | Flexible car generator noise test bench |
| CN104266749A (en) * | 2014-10-24 | 2015-01-07 | 重庆市科学技术研究院 | Device and method for offline detecting NVH (Noise Vibration and Harshness) of vehicle generator |
| KR20160135449A (en) * | 2015-05-18 | 2016-11-28 | 주식회사 에프테크 | noise testing apparatus |
| CN207741852U (en) * | 2018-02-02 | 2018-08-17 | 无锡市朗迪测控技术有限公司 | The online noise test platform of generator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323756A (en) * | 2018-09-07 | 2019-02-12 | 江苏中聚检测服务有限公司 | A kind of device for noise radiation detection |
| CN109323756B (en) * | 2018-09-07 | 2020-09-18 | 江苏中聚检测服务有限公司 | Device for detecting noise radiation |
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