CN204101578U - Inertia turntable angular speed calibrating installation - Google Patents
Inertia turntable angular speed calibrating installation Download PDFInfo
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- CN204101578U CN204101578U CN201420144614.2U CN201420144614U CN204101578U CN 204101578 U CN204101578 U CN 204101578U CN 201420144614 U CN201420144614 U CN 201420144614U CN 204101578 U CN204101578 U CN 204101578U
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Abstract
The utility model discloses a kind of inertia turntable angular speed calibrating installation, comprise disk light beam encoder, scrambler accurate installation module, data acquisition module, calibration software module, the accurate installation module of described scrambler comprises stationary shaft and scrambler fixed support, stationary shaft is coaxially installed on turntable table top, disk light beam encoder inner ring is fixed on stationary shaft, disk light beam encoder outer ring is fixed by scrambler fixed support, disk light beam encoder is electrically connected with described data acquisition module, and described data acquisition module is electrically connected with described calibration software module.The beneficial effects of the utility model are: have angular speed dynamic calibration, calibration accuracy is high, degree of stability is good, hardware system is simple, supporting related software also has automatic analysis, process, data query function while having calibration criterion function, achieves the robotization of turntable angular speed high-precision calibration.
Description
Technical field
The utility model patent relates to a kind of inertia turntable angular speed calibrating installation, can carry out field calibration in real time to turntable.
Background technology
Along with the development of technology, more and more higher to the accuracy requirement of turntable work, weighing one of important indicator of turntable is exactly angular speed, and therefore turntable angular speed collimation technique becomes one of gordian technique of turntable calibration.
There is many deficiencies in the calibration of existing turntable angular speed, main manifestations in the following areas: 1) calibration accuracy is low, and existing angular speed calibrating installation structure is comparatively simple and easy, only can realize the calibration of low precision turntable; 2) automaticity is lower, adopts the mode of artificial reading, easily causes personal error; 3) dismounting difficulty is large, is not easy to improve manufacture production efficiency and carry out later maintenance work; 4) water proof and dust proof ability is poor, and equipment maintenance difficulty is large, and causing trouble incidence is high, shortening in serviceable life.
For above-mentioned deficiency, need develop a kind of applied widely, automaticity is high and be convenient to the high precision turntable angular speed calibrating installation of production maintenance.
Utility model content
In view of this, the utility model provides a kind of turntable angular speed calibrating installation, this device adopts high accuracy circular grating encoder, realize calibrating the angular speed automated high-precision of inertia test table system, automatic analysis, process data, realize the printing of calibration result and certificate, provide data query function simultaneously, the calibration result completed is inquired about, the technical matterss such as the existing angular speed calibrating installation function singleness of effective solution, automaticity are low.
The utility model solves the technical scheme that its technical matters adopts: specify according to GJB1801-93 " inertial technology testing apparatus main performance test method " method 107: the angular speed of turntable is calculated by the ratio of turntable Angle Position increment and time.Through the series of computation to index, the utility model adopts high accuracy circular grating encoder to measure the turntable anglec of rotation, by installation shaft, disk light beam encoder is arranged on tested turntable before measuring, makes scrambler and tested dead in line, ensure that coaxiality error is in specialized range.Adopt fixed support fixed grating scrambler outer ring according to turntable height simultaneously.When turntable rotates, turntable is converted into pulse signal and sends by grating encoder, and decoding sub-circuit is decoded to grating encoder output signal, and the standard time interior focusing grid encoder output exported at high stability crystal oscillator counts.Single-chip microcomputer completes the acquisition process of encoder data and communicates with host computer, and host computer realizes automatic analysis, process data by calibration software, and the printing of calibration result and certificate, provides data query function simultaneously.
Concrete scheme is as follows:
A kind of inertia turntable angular speed calibrating installation, comprises disk light beam encoder, scrambler accurate installation module, data acquisition module, calibration software module, it is characterized in that:
The accurate installation module of described scrambler comprises stationary shaft and scrambler fixed support, stationary shaft is coaxially installed on turntable table top, disk light beam encoder inner ring is fixed on stationary shaft, disk light beam encoder outer ring is fixed by scrambler fixed support, disk light beam encoder is electrically connected with described data acquisition module, and described data acquisition module is electrically connected with described calibration software module.
Preferably, described data acquisition module, comprise decoding sub-circuit, single-chip microcomputer, data communication module, high stability crystal oscillator, disk light beam encoder is electrically connected with decoding sub-circuit, decoding sub-circuit is electrically connected with single-chip microcomputer, single-chip microcomputer is electrically connected with high stability crystal oscillator and data communication module respectively, and data communication module is electrically connected with calibration software module.
The beneficial effects of the utility model are: have angular speed dynamic calibration, calibration accuracy is high, degree of stability is good, hardware system is simple, supporting related software also has automatic analysis, process, data query function while having calibration criterion function, achieves the robotization of turntable angular speed high-precision calibration.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 the utility model structure principle chart.
1. disk light beam encoder stationary shaft in figure; 2. scrambler fixed support; 3. high accuracy circular grating encoder; 4 decoding sub-circuits; 5 single-chip microcomputers; 6. data communication module; 7. calibration software module; 8. high stability crystal oscillator; 9. turntable.
Embodiment
In the embodiment shown in fig. 1, a kind of turntable angular speed calibrating installation, comprises disk light beam encoder stationary shaft 1, scrambler fixed support 2, disk light beam encoder 3, decoding sub-circuit 4, single-chip microcomputer 5, data communication module 6, calibration software 7, high stability crystal oscillator 8 and turntable 9.Disk light beam encoder stationary shaft 1 is installed on turntable 9 table top, ensure that stationary shaft 1 and turntable 9 right alignment meet the demands, disk light beam encoder 3 inner ring is fixed on stationary shaft 1, disk light beam encoder 1 outer ring is fixed by fixed support 2, when turntable 9 table top rotates, stationary shaft 1 drives disk light beam encoder 3 inner ring to rotate, and disk light beam encoder 3 is electrically connected with described data acquisition module, and described data acquisition module is electrically connected with described calibration software module.
In the present embodiment, data acquisition module comprises decoding sub-circuit 4, single-chip microcomputer 5, data communication module 6, high stability crystal oscillator 8, disk light beam encoder 3 is electrically connected with decoding sub-circuit 4, the signal that disk light beam encoder 3 produces is segmented by described decoding sub-circuit 4 pairs of disk light beam encoder 3 output orthogonal signals and is counted, decoding sub-circuit 4 is electrically connected with single-chip microcomputer 5, single-chip microcomputer 5 is electrically connected with high stability crystal oscillator 8 and data communication module 6 respectively, single-chip microcomputer 5 reads grating signal and carries out data processing within the standard time that high stability crystal oscillator 8 exports, data communication module 6 is electrically connected with calibration software module 7, the calibration software 7 of host computer is sent to process by data communication module 6.Calibration software 7 completes automatic analysis, process data, realizes the printing of calibration result and certificate, provides data query function simultaneously, inquire about the calibration result completed.
The angle measurement error of the high accuracy circular grating encoder that the utility model is selected is 1 ", the frequency accuracy of high temperature crystal oscillator is 1 × 10
-9.Angular rate measurement scope of the present utility model: forward and reverse 0.0001 °/s ~ 2000 °/s; After the highest measurement standard of Beijing 304 national defence used " low rate turntable calibration device " calibration, provide calibration certificate, its angular speed maximum error of measuring is:
9.2 × 10
-7determine angular spacing 360 °
5.0 × 10
-6determine angular spacing 10 °
7.0 × 10
-5determine angular spacing 1 °
3.3 × 10
-4determine angular spacing 0.2 °
The non-detailed description of the utility model is known to the skilled person technology.
Above the technical scheme that the utility model embodiment provides is described in detail, apply specific case herein to set forth the principle of the utility model embodiment and embodiment, the explanation of above embodiment is only applicable to the principle helping to understand the utility model embodiment; Meanwhile, for one of ordinary skill in the art, according to the utility model embodiment, embodiment and range of application all will change, and in sum, this description should not be construed as restriction of the present utility model.
Claims (2)
1. an inertia turntable angular speed calibrating installation, comprises disk light beam encoder (3), scrambler accurate installation module, data acquisition module, calibration software module (7), it is characterized in that:
The accurate installation module of described scrambler comprises stationary shaft (1) and scrambler fixed support (2), stationary shaft (1) is coaxially installed on turntable (9) table top, disk light beam encoder (3) inner ring is fixed on stationary shaft (1), by fixing disk light beam encoder (3) outer ring of scrambler fixed support (2), disk light beam encoder (3) is electrically connected with described data acquisition module, and described data acquisition module is electrically connected with described calibration software module.
2. inertia turntable angular speed calibrating installation as claimed in claim 1, is characterized in that:
Described data acquisition module, comprise decoding sub-circuit (4), single-chip microcomputer (5), data communication module (6), high stability crystal oscillator (8), disk light beam encoder (3) is electrically connected with decoding sub-circuit (4), decoding sub-circuit (4) is electrically connected with single-chip microcomputer (5), single-chip microcomputer (5) is electrically connected with high stability crystal oscillator (8) and data communication module (6) respectively, and data communication module (6) is electrically connected with calibration software module (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420144614.2U CN204101578U (en) | 2014-03-25 | 2014-03-25 | Inertia turntable angular speed calibrating installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420144614.2U CN204101578U (en) | 2014-03-25 | 2014-03-25 | Inertia turntable angular speed calibrating installation |
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| Publication Number | Publication Date |
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| CN204101578U true CN204101578U (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420144614.2U Expired - Fee Related CN204101578U (en) | 2014-03-25 | 2014-03-25 | Inertia turntable angular speed calibrating installation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105015181A (en) * | 2015-08-05 | 2015-11-04 | 意科赛特数码科技(江苏)有限公司 | Printing device for directly spraying patterns on mug |
| CN106405139A (en) * | 2015-07-31 | 2017-02-15 | 北京航天计量测试技术研究所 | Rotary table angular rate detecting apparatus and method |
| CN106524944A (en) * | 2015-09-10 | 2017-03-22 | 河北太行计量检测有限公司 | Non-coaxial circular grating angle measurement device and angle measurement method |
| CN110739061A (en) * | 2019-10-24 | 2020-01-31 | 合肥盛东信息科技有限公司 | toilet-entering frequency monitoring system for old people |
-
2014
- 2014-03-25 CN CN201420144614.2U patent/CN204101578U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405139A (en) * | 2015-07-31 | 2017-02-15 | 北京航天计量测试技术研究所 | Rotary table angular rate detecting apparatus and method |
| CN105015181A (en) * | 2015-08-05 | 2015-11-04 | 意科赛特数码科技(江苏)有限公司 | Printing device for directly spraying patterns on mug |
| CN106524944A (en) * | 2015-09-10 | 2017-03-22 | 河北太行计量检测有限公司 | Non-coaxial circular grating angle measurement device and angle measurement method |
| CN110739061A (en) * | 2019-10-24 | 2020-01-31 | 合肥盛东信息科技有限公司 | toilet-entering frequency monitoring system for old people |
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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 |
Granted publication date: 20150114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |