CN209541769U - A kind of Gyro Test System and device - Google Patents
A kind of Gyro Test System and device Download PDFInfo
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- CN209541769U CN209541769U CN201822169934.4U CN201822169934U CN209541769U CN 209541769 U CN209541769 U CN 209541769U CN 201822169934 U CN201822169934 U CN 201822169934U CN 209541769 U CN209541769 U CN 209541769U
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- gyroscope
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- turntable
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Abstract
The utility model belongs to gyroscope the field of test technology, and providing a kind of Gyro Test System and device, the Gyro Test System includes: multiple gyroscope mould groups to be tested；Turntable is configured to that the gyroscope mould group is arranged, and rotates the gyroscope；Acquisition Circuit is connect with the multiple gyroscope mould group, is configured to acquire the angle signal of the gyroscope mould group output；Wireless communication unit is connect with the Acquisition Circuit, is configured to the communication connection of the Acquisition Circuit and host computer；Host computer is connect with the wireless communication unit, is configured to test the gyroscope according to the angle signal.Multiple gyroscopes are arranged on turntable, Acquisition Circuit acquires the angle signal of each gyroscope, and the angle signal is sent to host computer by unit by wireless communication, gyroscope is tested, the data of multiple gyroscope mould groups are converged and are uniformly processed by an Acquisition Circuit, improve measuring accuracy.
Description
Technical field
The utility model belongs to gyroscope the field of test technology more particularly to a kind of Gyro Test System and device.
Background technique
With the continuous development of inertial technology, inertial platform digitized degree is continuously improved, the function of Inertial Platform System
Be increasing, to the fast data communication ability of inertial platform test macro, the automatic degree of test function, test assignment can
Propose increasingly higher demands by property etc., especially along with automatic fault selftesting, self-diagnosis technology it is increasingly mature, for guarantor
Protecting system reduces the purpose of system injury, and test macro needs to make promptly and accurately gimbaled inertial navigation system malfunction
Reaction.
Currently, one signaling interface of gimbaled inertial test macro can only test a gyroscope, need to gyroscope one
One carries out data acquisition and test, directly limits the precision of platform test, can not embody the test shape of each gyroscope comprehensively
State, therefore not can guarantee test quality.
Utility model content
The purpose of this utility model is to provide a kind of Gyro Test System and devices, it is intended to solve traditional technical side
Existing test macro present in case can not embody comprehensively the test mode of each gyroscope, therefore not can guarantee test quality
The problem of.
A kind of Gyro Test System, the Gyro Test System include:
Multiple gyroscope mould groups to be tested；
Turntable is configured to that the gyroscope mould group is arranged, and rotates the gyroscope；
With reference to angle detection circuitry, it is configured to measure the rotation angle of the turntable；
Acquisition Circuit is connect with the multiple gyroscope mould group, is configured to acquire the angle of the gyroscope mould group output
Signal；
Wireless communication unit is connect with the Acquisition Circuit, is configured to the communication connection of the Acquisition Circuit and host computer；
Host computer is connect with the wireless communication unit, is configured to carry out the gyroscope according to the angle signal
Test.
In one embodiment, the Acquisition Circuit includes control chip and switch conversion chip；The gyroscope mould
Group is connect with the switch conversion chip, and the control chip is connect with the switch conversion chip, the wireless communication unit
It is connect with the control chip.
In one embodiment, the control chip has addressing of ports and signal port, the addressing of ports and institute
Signal port is stated to connect with the switch conversion chip.
In one embodiment, the addressing of ports exports address signal, and the address signal is configured to be connected or close
Break the gyroscope and it is described control chip communication channel.
In one embodiment, the address signal is digital signal.
In one embodiment, the switch conversion chip includes multiple change-over switches, the change-over switch with it is described
Gyroscope connects one to one.
In one embodiment, the reference angle detection circuitry includes encoder and decoder；The encoder is set
It is placed on the turntable, is configured to measure the rotation angle of the turntable, the decoder is connect with the encoder.
In one embodiment, the decoder is connect with the host computer, is configured to the signal of encoder output
It exports after decoding to the host computer.
In addition, additionally providing a kind of gyroscope test device, the gyroscope test device includes: that above-mentioned gyroscope is surveyed
Test system.
Multiple gyroscopes are arranged on turntable above-mentioned Gyro Test System, and gyroscope rotation is driven after turntable rotation
Turn, Acquisition Circuit acquires the angle signal of each gyroscope, and by wireless communication unit the angle signal is sent to it is upper
Machine tests gyroscope, and the data of multiple gyroscope mould groups are converged and are uniformly processed by an Acquisition Circuit, improves
Measuring accuracy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the Gyro Test System that an embodiment of the present invention provides；
Fig. 2 is the structural schematic diagram for the Gyro Test System that another embodiment of the utility model provides
Fig. 3 is the few examples sterogram of Gyro Test System shown in Fig. 2.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Fig. 1 shows the structural schematic diagram of Gyro Test System provided by the embodiment of the utility model, for the ease of saying
Bright, only the parts related to this embodiment are shown, and details are as follows:
As shown in Figure 1, the utility model provides a kind of Gyro Test System, which includes: more
A gyroscope mould group 10 to be tested, turntable 20, with reference to angle detection circuitry 30, Acquisition Circuit 40,50 and of wireless communication unit
Host computer 60.Gyroscope is arranged on turntable 20, and turntable 20 drives gyroscope rotation after rotating, and Acquisition Circuit 40 acquires each top
The angle signal of spiral shell instrument, and the angle signal is sent to host computer 60 by unit 50 by wireless communication, is surveyed to gyroscope
Examination.
Wherein, multiple gyroscope mould groups 10 to be tested are high-precision gyroscope, and turntable 20 is configured to setting gyroscope
Mould group 10, rotates gyroscope；It is configured to measure the rotation angle of the turntable 20 with reference to angle detection circuitry 30；Acquisition Circuit
40 connect with multiple gyroscope mould groups 10, are configured to the angle signal that acquisition gyroscope mould group 10 exports；Wireless communication unit 50
It is connect with Acquisition Circuit 40, is configured to the communication connection of Acquisition Circuit 40 Yu host computer；Host computer 60 and wireless communication unit 50
Connection, is configured to test gyroscope according to angle signal.Wherein, wireless communication unit 50 can using WiFi module,
Lora wireless module, host computer 60 are computer.
As shown in Figures 2 and 3, Acquisition Circuit 40 includes control chip 41 and switch conversion chip 42；Gyroscope mould group 10
It is connect with switch conversion chip 42, control chip 41 is connect with switch conversion chip 42, wireless communication unit 50 and control chip
41 connections.Controlling chip 41 has addressing of ports and a signal port, addressing of ports and signal port with switch conversion chip 42
Connection.Addressing of ports exports address signal, and address signal is configured on or off gyroscope and the communication of control chip 41 is logical
Road.Wherein, address signal is digital signal.Switch conversion chip 42 includes multiple change-over switches, change-over switch and gyroscope one
One is correspondingly connected with.
In one embodiment, switch conversion chip 42 is 3-8 switch conversion core, and switch conversion chip 42 has 8
Channel, each channel can connect a gyroscope, and control chip 41 passes through the potential change of 3 addressing of ports, carry out channel and cut
It changes.Switch conversion chip 42 and control only one signal path of chip 41, in the same time, which only turns with switch
Change the channel conducting in chip 42.The stability for improving test macro reduces the number of communication interface, reduces channel and gathers around
Stifled, a communication interface can test at least five gyroscope mould group 10 simultaneously, improve the testing efficiency of test macro.It is specific next
It says, when carrying out reading data to gyroscope, using polling mechanism, within certain wrap count, switch conversion chip 42 exists
Switch between channel 1-8, successively obtain gyro data, until getting the data of 8 channels or wrap count reaches most
Greatly.Each poll will be updated sensing data, to guarantee that it is newest for getting data, if there is gyro data not take
It arrives, then directly fills out 0.8 Channel Sharings, one control 41 communication channel of chip in switcher chip 42, there are interchannel numbers
The problem of according to influencing each other and interfering.So after switching channel, it is necessary to the clean all data for disposing previous channels, this
A little data include: the data of the previous channels of peripheral hardware hardware cache；Control the data of 41 system cache of chip；Customized reception
Data on fifo.The data dump of software buff is easier.It is difficult because generally having write-protect after peripheral hardware initialization
Point is the data cached removing of peripheral hardware hardware fifo.For stabilization, the effective data removed on peripheral hardware hardware fifo, this programme
It is operated using De_init and Re_init is carried out to peripheral hardware.
It in one embodiment, include encoder 31 and decoder 32 with reference to angle detection circuitry 30；Encoder 31 is set
It is placed on turntable 20, is configured to the rotation angle of measuring circurmarotate 20, decoder 32 is connect with encoder 31.Decoder 32 with it is upper
Machine 60 connects, and output reads turntable using encoder 31 to host computer 60 after being configured to the signal for exporting encoder 31 decoding
20 rotational angles, and it is used to measure the parameter of gyroscope mould group 10, it can be improved the precision of test macro.
Based on above-mentioned Gyro Test System, Gyro Test System provided by the utility model is held according to the following steps
Row:
Gyroscope mould group 10 is required to be filled in test board according to foot position, and opens beta version power supply；Test board is one
Block passes through the circuit board that Hardware Engineer designed, and the size of test board is suitable with the size of turntable 20.Test board is equipped with one
A Acquisition Circuit 40, for obtaining the angle signal of gyroscope mould group 10.It connects between wireless communication unit 50 and control unit
Communication line after, powered on to wireless communication unit 50, the angle signal that Acquisition Circuit 40 is got unit by wireless communication
50 are transmitted to host computer 60.Host computer 60 is opened, the encoder 31 of turntable 20 is connected, for controlling turntable 20 and obtaining turntable 20
Angle-data.Host computer 60 sends initialization command to all gyroscope mould groups 10 on test board by control unit, makes it
It is initialized, which includes: 20 angle of turntable zero and 10 angle of gyroscope mould group zero.Host computer 60 controls
Turntable 20 rotates, which rotates a few in the same direction, and revolving speed is controlled in 50dps-300dps or so.20 turns of turntable
After dynamic, turntable 20 remain stationary the several seconds.After host computer 60 obtains turntable 20 and the angle information of all gyroscope mould groups 10,
All gyroscope mould groups 10 are calibrated.After calibration, turntable 20 remain stationary the several seconds.Host computer 60 controls turntable 20
A few are rotate in same direction, after host computer obtains the acquisition turntable 20 of turntable 20 and the angle signal of all gyroscope mould groups 10, according to defeated
Whether up to standard the default criterion entered defines the accumulated error in the same direction of gyroscope mould group 10.It is positive that host computer 60 controls turntable 20
A few are rotated, host computer 60 controls the static several seconds of turntable 20, and host computer 60 controls turntable 20 and rotates backward a few, and host computer 60 obtains
After taking turntable 20 to obtain turntable 20 and the angle signal of all gyroscope mould groups 10, according to the default criterion of input, define
Whether 10 error of gyroscope mould group is up to standard, until being finally completed the test of all gyroscope mould groups 10.In the test and calibrated
Journey, room temperature control are 26 degrees Celsius.
Test calibration system is changed to demarcate and test process is united, and when demarcating gyroscope, it is same to be changed to turntable 20
To less circle number is rotated, stops the several seconds and then do the calibration proving operation of gyroscope.After calibration is completed, verifying is divided into two
A step: the first step, 20 rotating Vortex of turntable a few, verifying gyroscope angular deviation it is whether qualified；Second step, turntable 20 are positive
Rotation and reversely rotate it is each a few, whether then to verify gyroscope angular deviation qualified.
To sum up, the utility model provides a kind of Gyro Test System, which includes: multiple to be measured
Gyroscope mould group 10, turntable 20, Acquisition Circuit 40, wireless communication unit 50 and the host computer 60 of examination.By multiple gyroscope mould groups
10 data are converged and are uniformly processed by Acquisition Circuit 40, then to be sent to host computer 60 soft for unit 50 by wireless communication
Part is handled and is analyzed.Reference of 31 rotational angle of encoder as gyroscope angle value is further used, host computer is unified
The angle-data of encoder 31 and gyroscope is handled, measuring accuracy is improved.
On the basis of above-mentioned Gyro Test System, the utility model embodiment additionally provides a kind of gyroscope test dress
It sets, gyroscope test device includes: above-mentioned Gyro Test System.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (9)
1. a kind of Gyro Test System, which is characterized in that the Gyro Test System includes:
Multiple gyroscope mould groups to be tested；
Turntable is configured to that the gyroscope mould group is arranged, and rotates the gyroscope；
It with reference to angle detection circuitry, is connect with the turntable, is configured to measure the rotation angle of the turntable；
Acquisition Circuit is connect with the multiple gyroscope mould group, is configured to acquire the angle signal of the gyroscope mould group output；
Wireless communication unit is connect with the Acquisition Circuit, is configured to the communication connection of the Acquisition Circuit and host computer；
Host computer is connect with the wireless communication unit, is configured to test the gyroscope according to the angle signal.
2. Gyro Test System as described in claim 1, which is characterized in that the Acquisition Circuit includes control chip and opens
Close conversion chip；The gyroscope mould group is connect with the switch conversion chip, the control chip and the switch conversion core
Piece connection, the wireless communication unit are connect with the control chip.
3. Gyro Test System as claimed in claim 2, which is characterized in that the control chip has addressing of ports and letter
Number port, the addressing of ports and the signal port are connect with the switch conversion chip.
4. Gyro Test System as claimed in claim 3, which is characterized in that the addressing of ports exports address signal, institute
State the communication channel that address signal is configured to gyroscope described on or off and the control chip.
5. Gyro Test System as claimed in claim 4, which is characterized in that the address signal is digital signal.
6. Gyro Test System as claimed in claim 2, which is characterized in that the switch conversion chip includes multiple conversions
Switch, the change-over switch connect one to one with the gyroscope.
7. Gyro Test System as described in claim 1, which is characterized in that described to include coding with reference to angle detection circuitry
Device and decoder；The encoder is set on the turntable, is configured to measure the rotation angle of the turntable, the decoder
It is connect with the encoder.
8. Gyro Test System as claimed in claim 7, which is characterized in that the decoder is connect with the host computer,
It is configured to export after decoding the signal of encoder output to the host computer.
9. a kind of gyroscope test device, which is characterized in that the gyroscope test device includes: as claim 1 to 8 is any
Gyro Test System described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822169934.4U CN209541769U (en) | 2018-12-21 | 2018-12-21 | A kind of Gyro Test System and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822169934.4U CN209541769U (en) | 2018-12-21 | 2018-12-21 | A kind of Gyro Test System and device |
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| Publication Number | Publication Date |
|---|---|
| CN209541769U true CN209541769U (en) | 2019-10-25 |
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| CN201822169934.4U Active CN209541769U (en) | 2018-12-21 | 2018-12-21 | A kind of Gyro Test System and device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112684741A (en) * | 2020-12-21 | 2021-04-20 | 中国航空工业集团公司北京航空精密机械研究所 | Three-axis turntable overspeed protection system and method |
| CN114509093A (en) * | 2022-04-21 | 2022-05-17 | 深圳市云鼠科技开发有限公司 | Gyroscope calibration detection method, device and equipment and storage medium |
| CN114923505A (en) * | 2022-07-15 | 2022-08-19 | 河北美泰电子科技有限公司 | Testing device, method and system for inertial sensor |
-
2018
- 2018-12-21 CN CN201822169934.4U patent/CN209541769U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112684741A (en) * | 2020-12-21 | 2021-04-20 | 中国航空工业集团公司北京航空精密机械研究所 | Three-axis turntable overspeed protection system and method |
| CN112684741B (en) * | 2020-12-21 | 2023-01-13 | 中国航空工业集团公司北京航空精密机械研究所 | Three-axis turntable overspeed protection system and method |
| CN114509093A (en) * | 2022-04-21 | 2022-05-17 | 深圳市云鼠科技开发有限公司 | Gyroscope calibration detection method, device and equipment and storage medium |
| CN114923505A (en) * | 2022-07-15 | 2022-08-19 | 河北美泰电子科技有限公司 | Testing device, method and system for inertial sensor |
| CN114923505B (en) * | 2022-07-15 | 2022-11-15 | 河北美泰电子科技有限公司 | Testing device, method and system for inertial sensor |
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