CN208420973U - The measurement conversion equipment of acceleration signal - Google Patents
The measurement conversion equipment of acceleration signal Download PDFInfo
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- CN208420973U CN208420973U CN201821100195.7U CN201821100195U CN208420973U CN 208420973 U CN208420973 U CN 208420973U CN 201821100195 U CN201821100195 U CN 201821100195U CN 208420973 U CN208420973 U CN 208420973U
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- conversion equipment
- acceleration signal
- measurement conversion
- signal
- gyroscope
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Abstract
A kind of measurement conversion equipment of acceleration signal, acceleration signal is transformed into global coordinate system from local coordinate system, the measurement conversion equipment includes processing component, and the processing component includes processor, display module, calibration module and power module；The measurement conversion equipment further includes the connecting line that there is the measuring block of built-in gyroscope and the connection measuring block to be powered and transmit gyro bearing signal to the gyroscope with the processing component, wherein the measuring block can go deep into measuring accelerometer space angle at small space, and collected signal is transferred to the processor；After the processor converts the signal results of acquisition, quaternary number is shown as by display module.
Description
Technical field
The utility model relates to a kind of measurement conversion equipments of acceleration signal, belong to engine test and exhaust system
Technical field.
Background technique
In engine durability experiment, need to collect the acceleration signal under vehicle coordinate system, as subsequent analysis
Key input.Engine and exhaust system part surface imperfection, and narrow space in enging cabin, are generally difficult acceleration
Meter is arranged based on vehicle coordinate system.
Currently, the method measured with bevel protractor, it is difficult to be applied in small space, and measurement accuracy is low, it is difficult to meet
It is required that.Even if computationally also extremely cumbersome subsequently through triangle relation conversion coordinate system.
Therefore, it is necessary to one to measure the device of accelerometer space angle in small space, and can be by measurement result
It docks with LMS data processing software, turns to quickly complete acceleration signal from local coordinate system system to vehicle coordinate system
It changes.
Utility model content
The purpose of this utility model is to provide the acceleration of a kind of pair of acceleration signal to vehicle coordinate system fast conversion
The measurement conversion equipment of signal.
To achieve the above objectives, the present invention adopts the following technical solutions: a kind of measurement converting means of acceleration signal
It sets, acceleration signal is transformed into global coordinate system from local coordinate system, the measurement conversion equipment includes processing component,
The processing component includes processor, display module, calibration module and power module；The measurement conversion equipment further includes tool
Have measuring block and the connection measuring block and the processing component of built-in gyroscope with to the gyroscope be powered with
And the connecting line of transmission gyro bearing signal, wherein the measuring block can go deep into measuring accelerometer Space Angle at small space
Degree, and collected signal is transferred to the processor；After the processor converts the signal results of acquisition, pass through display
Module is shown as quaternary number.
As the further improved technical solution of the utility model, before measuring, the calibration module is by the measurement
Block calibrates zero under vehicle coordinate system.
As the further improved technical solution of the utility model, the calibration module is calibration key.
As the further improved technical solution of the utility model, the power module includes rechargeable lithium battary, institute
Lithium battery is stated by powering after the conversion of direct current electric transducer to the gyroscope.
As the further improved technical solution of the utility model, the gyroscope passes through communication interface and the processor
Realize communication.
As the further improved technical solution of the utility model, the display module is that LCD is shown.
Compared to the prior art, the utility model reads quaternary number as the space angle of accelerometer using gyroscope and believes
Breath, realizes the fast conversion from local coordinate system to the acceleration signal of vehicle coordinate system.
Detailed description of the invention
Fig. 1 is the schematic diagram of the measurement conversion equipment of the utility model acceleration signal.
Fig. 2 is the schematic diagram of the measurement conversion equipment of the utility model acceleration signal.
Specific embodiment
It please join shown in Fig. 1 and Fig. 2, the utility model discloses a kind of measurement conversion equipment 100 of acceleration signal, to
Acceleration signal is transformed into global coordinate system from local coordinate system.The measurement conversion equipment 100 includes processing component 1, tool
There is the measuring block 2 of built-in gyroscope 21 and connects the measuring block 2 with the processing component 1 to carry out to the gyroscope 21
The connecting line 3 of power supply and transmission gyro bearing signal.The processing component 1 includes processor 11, display module 12, calibration
Module 13 and power module 14.
The measuring block 2 can go deep into measuring accelerometer space angle at small space, and collected signal is transmitted
To the processor 11；After the processor 11 converts the signal results of acquisition, quaternary number is shown as by display module 12.
Before measuring, the measuring block 2 is calibrated zero by the calibration module 13 under vehicle coordinate system.
In the utility model embodiment illustrated, the calibration module 13 is calibration key.
The power module 14 includes rechargeable lithium battary, and the lithium battery passes through 141 conversion of direct current electric transducer
It powers afterwards to the gyroscope 21.
The gyroscope 21 is realized by communication interface 111 and the processor 11 and is communicated.
In the utility model embodiment illustrated, the display module 12 is that LCD is shown.
The application further discloses a kind of measurement conversion method of acceleration signal, to by acceleration signal from local coordinate
System is transformed into global coordinate system, and the measurement conversion method of the acceleration signal includes the following steps:
S1: measuring block 2 is calibrated to zero under vehicle coordinate system；
S2: arranging speedometer, and with measuring block measurement space angle on exemplar, gyroscope 21 built in the measuring block,
And collected signal is transferred to processor 11 by communication interface 111；
S3: after the processor 11 converts the electric signal result of measurement, quaternary number is shown as by display module 12；
S4: quaternary number measurement result is inputted into calculating instrument, is converted using quaternary number calculating method, obtains acceleration
Signal is from local coordinate system system to the conversion relation of vehicle coordinate system；
S5: conversion relation is imported into the post-processing that noise and vibration analysis software (LMS software) carries out acceleration signal.
Compared to the prior art, the utility model solves during engine test, to accelerometer space angle
Precise measurement, realize acceleration signal to vehicle coordinate system fast conversion.
In addition, above embodiments are merely to illustrate the utility model and not limit technical side described in the utility model
Case, understanding of this description should be based on persons of ordinary skill in the field, although this specification is referring to above-mentioned
Embodiment has been carried out detailed description to the utility model, still, those skilled in the art should understand that, affiliated skill
The technical staff in art field still can be modified or replaced equivalently the utility model, and all not depart from this practical new
The technical solution and its improvement of the spirit and scope of type, should all cover in the scope of the claims of the utility model.
Claims (6)
1. the measurement conversion equipment of a kind of acceleration signal, acceleration signal is transformed into world coordinates from local coordinate system
System, the measurement conversion equipment includes processing component, the processing component include processor, display module, calibration module and
Power module；It is characterized by: the measurement conversion equipment further includes having described in measuring block and the connection of built-in gyroscope
The connecting line of measuring block and the processing component to give the gyroscope to be powered and transmit gyro bearing signal, wherein
The measuring block can go deep into measuring accelerometer space angle at small space, and collected signal is transferred to the processing
Device；After the processor converts the signal results of acquisition, quaternary number is shown as by display module.
2. the measurement conversion equipment of acceleration signal as described in claim 1, it is characterised in that: before measuring, the school
The measuring block is calibrated zero by quasi-mode block under vehicle coordinate system.
3. the measurement conversion equipment of acceleration signal as claimed in claim 2, it is characterised in that: the calibration module is calibration
Key.
4. the measurement conversion equipment of acceleration signal as described in claim 1, it is characterised in that: the power module includes can
The lithium battery of charging, the lithium battery after the conversion of direct current electric transducer to the gyroscope by powering.
5. the measurement conversion equipment of acceleration signal as described in claim 1, it is characterised in that: the gyroscope passes through communication
Interface and the processor, which are realized, to be communicated.
6. the measurement conversion equipment of acceleration signal as described in claim 1, it is characterised in that: the display module is LCD
Display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821100195.7U CN208420973U (en) | 2018-07-11 | 2018-07-11 | The measurement conversion equipment of acceleration signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821100195.7U CN208420973U (en) | 2018-07-11 | 2018-07-11 | The measurement conversion equipment of acceleration signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208420973U true CN208420973U (en) | 2019-01-22 |
Family
ID=65126335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821100195.7U Expired - Fee Related CN208420973U (en) | 2018-07-11 | 2018-07-11 | The measurement conversion equipment of acceleration signal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208420973U (en) |
-
2018
- 2018-07-11 CN CN201821100195.7U patent/CN208420973U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190122 |