CN2479494Y - Noise vibration testing device for bench - Google Patents
Noise vibration testing device for bench Download PDFInfo
- Publication number
- CN2479494Y CN2479494Y CN 01205906 CN01205906U CN2479494Y CN 2479494 Y CN2479494 Y CN 2479494Y CN 01205906 CN01205906 CN 01205906 CN 01205906 U CN01205906 U CN 01205906U CN 2479494 Y CN2479494 Y CN 2479494Y
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- vibration
- noise
- testing device
- wave filter
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Abstract
Disclosed is a platform used vibration noise testing device, wherein the platform used vibration noise testing device is equipped with a speeding sensor and an acoustical meter, the speeding sensor is connected with a constant flow source, the constant flow source is connected with a filter, the filter is connected with an A/D shifting card, the A/D shifting card is connected with a computer, the computer is connected with a printer, and the acoustical meter is connected with the filter. The utility model has the advantages that the platform used vibration noise testing device is equipped with testing software, which can tests the vibration noise testing data automatically, quickly and precisely to a motor.
Description
The utility model belongs to the vibration and noise test device, and is particularly a kind of to the vibration of engine and car load generation and the stand vibration and noise test device that noise is estimated.
Be widely used at present in engine rig test and the complete vehicle test vibration and the noise of engine and car load generation being estimated, for product development, development and fault diagnosis provide scientific and effective data, this system is indispensable research technique in noise, the vibration of electronic fuel injection engine coupling and car load on estimating especially.In the bench test now, evaluation to vibration and noise is single form substantially, promptly independent test noise or independent test vibration, and this system organically combines two kinds of means, utilize software and hardware that complete monitoring is carried out in test, and signal is carried out the spectrum analysis of various ways.In some field, such as the research of combustion knock, listened based on people's ear mostly in the past, so its poor accuracy does not also have test figure effectively intuitively.Utilize this system to carry out continuous comprehensive spectrum analysis, for the selection of engine optimal ignition angle provides reliable and effective test figure to the vibration and the noise of engine.Purpose of the present invention: set up stand vibration, noise data acquisition system, correlation test is carried out spectrum analysis, for exploitation, the development of engine provides novel research technique, and expand the application of this system at other field.
The purpose of this utility model provides a kind of stand vibration and noise test device, overcomes the shortcoming and defect of prior art.
The purpose of this utility model is achieved in that
A kind of stand vibration and noise test device, it is characterized by: on stand vibration and noise test platform, acceleration induction device and sound meter are housed, the acceleration induction device connects constant current source, constant current source connects wave filter, wave filter connects the A/D transition card, the A/D transition card connects computing machine, and computing machine connects printer; Sound meter connects wave filter.
The utility model has the advantages that:
Stand is equipped with testing software with the vibration and noise test device, to engine can be automatic, fast, test out the vibration and noise test data accurately
Below in conjunction with description of drawings embodiment:
Fig. 1 is a stand vibration and noise test apparatus structure synoptic diagram
A kind of stand vibration and noise test device, on stand vibration and noise test platform, put engine 2, engine connects dynamometer machine 1, acceleration induction device 4 and sound meter 3 are housed on stand vibration and noise test platform, the acceleration induction device connects constant current source 5, and constant current source connects wave filter 6, and wave filter connects A/D transition card 7, the A/D transition card connects computing machine 8, and computing machine connects printer 9; Sound meter connects wave filter.
Utilization WINDOWS writes vibration, noise data acquisition system software in the interface; On threst stand, set up vibration, noise data acquisition system: this system is carried out the software and hardware coupling; Vibration, noise that engine produces are measured and spectrum analysis; Utilize this system that combustion knock is measured, analyzed and studies.
Claims (1)
1, a kind of stand vibration and noise test device, it is characterized by: on stand vibration and noise test platform, acceleration induction device and sound meter are housed, the acceleration induction device connects constant current source, constant current source connects wave filter, wave filter connects the A/D transition card, the A/D transition card connects computing machine, and computing machine connects printer; Sound meter connects wave filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01205906 CN2479494Y (en) | 2001-02-26 | 2001-02-26 | Noise vibration testing device for bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01205906 CN2479494Y (en) | 2001-02-26 | 2001-02-26 | Noise vibration testing device for bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2479494Y true CN2479494Y (en) | 2002-02-27 |
Family
ID=33626642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01205906 Expired - Fee Related CN2479494Y (en) | 2001-02-26 | 2001-02-26 | Noise vibration testing device for bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2479494Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104990710A (en) * | 2015-05-19 | 2015-10-21 | 成都诚邦动力测试仪器有限公司 | Engine measurement and control system based on constant current source driving |
-
2001
- 2001-02-26 CN CN 01205906 patent/CN2479494Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104990710A (en) * | 2015-05-19 | 2015-10-21 | 成都诚邦动力测试仪器有限公司 | Engine measurement and control system based on constant current source driving |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |