CN201707055U - Testing turntable for testing performance of miniature gyroscope on two axes - Google Patents
Testing turntable for testing performance of miniature gyroscope on two axes Download PDFInfo
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- CN201707055U CN201707055U CN2009200743456U CN200920074345U CN201707055U CN 201707055 U CN201707055 U CN 201707055U CN 2009200743456 U CN2009200743456 U CN 2009200743456U CN 200920074345 U CN200920074345 U CN 200920074345U CN 201707055 U CN201707055 U CN 201707055U
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Abstract
The utility model discloses a testing turntable for testing the performance of a miniature gyroscope on two axes, which comprises a platform, a testing mother plate, fasteners, a spring, a positioning plate, spacer blocks, testing plates, a connector, slots, turning units, horizontal pads, tested device slots and lead strips, the testing mother plate is positioned upon the platform, one end of each fastener is fixed on the platform, the fasteners fix the testing plates on the horizontal pads, the spring is mounted on the turning units, the positioning plate is fixed on the turning units, the spacer blocks are fixed on one end of each testing plate, the tested device slots are mounted upon the testing plates, one end of each testing plate is provided with a lead strip, the lead strips are inserted in the slots, the connector is fixed between the turning units and the testing mother plate, the turning units are mounted between the positioning plate and the connector, and the horizontal pads are fixed on both ends of the platform. The structure of the testing turntable is simple, moreover, a plurality of devices can be simultaneously tested on the testing plates, consequently, the efficiency of device tests can be greatly increased, and the testing cost can be reduced.
Description
Technical field
The utility model relates to a kind of test table, particularly a kind of test table that is used to test minisize gyroscopes two performances on axially.
Background technology
Even gyroscope is a kind of internal sensor that extraneous reference signal also can detect attitude of carrier own and state variation that do not have, its function is to measure angle, angular velocity and the angular acceleration of responsive movable body.Along with the development of MEMS (micro electro mechanical system) (MEMS, Micro-Electro-Mechanical System) technology, much the minisize gyroscopes based on the MEMS technology emerges, and is used widely in fields such as automobile, navigation, recreation.But, in development, encapsulation and other relevant processing and making process of device, can produce adverse influence to the performance of device unavoidably for minisize gyroscopes; In addition, device is after use after a while, owing to reasons such as varying environment condition such as material aging, temperature, humidity cause its performance will inevitably produce certain drift, can be considerably big through the error that is caused after the accumulation of certain hour, therefore, no matter be to the finished product that just dispatched from the factory or for just in use product, all need one stable and test platform is efficiently demarcated and proofreaied and correct the performance of product.
In the equipment that gyrostatic performance is demarcated and proofreaied and correct, the simplest equipment is single axle table, only need just can finish test to device performance with testing apparatuss such as a motor and corresponding base stations, but, device for diaxon and three, finish each axial performance test, must be when replacing be axial, unload device from testing apparatus, change device axially be installed on the testing apparatus again after, through just carrying out the performance measurement of another one on axially after the calibration, obviously, for the measurement of multiaxis minisize gyroscopes, single axle table is difficult to improve the efficient and the precision of test.
The multiaxis turntable can be simultaneously or step on request finish the test of a plurality of axial properties, but, test axle of every increase, weight of equipment all can increase exponentially, concerning the multiaxis turntable, basic load-bearing capacity should be arranged, also certain rotating range and velocity range to be arranged, and good speed stability and precision, bearing accuracy, acceleration requires (hang-up, the prominent commentaries on classics) or the like, for the multiaxis turntable with heavy load, above-mentioned these requirements have increased very big difficulty to test undoubtedly, have also increased the cost of device detection simultaneously.
The utility model content
The technical problems to be solved in the utility model is in order to overcome the defective of prior art, a kind of test table that is used to test minisize gyroscopes two performances on axially is provided, it is simple in structure, operation is convenient, and can also test a plurality of devices simultaneously on the test board, therefore, help to increase substantially the efficient and the reduction testing cost of device detection more.
The utility model solves above-mentioned technical matters by following technical proposals: a kind of test table that is used to test minisize gyroscopes two performances on axially, it is characterized in that, it comprises platform, the test motherboard, grab, spring, location-plate, spacer block, test board, coupling arrangement, slot, wheelwork, the level pad, device under test draw-in groove and lead-in wire bar, the test motherboard is positioned at the top of platform, one end of grab is fixed on the platform, grab is fixed on test board on the level pad, spring is installed on the wheelwork, location-plate is fixed on the wheelwork, spacer block is fixed in an end of test board, the device under test draw-in groove is installed on the test board top, one end of test board is provided with the lead-in wire bar, the lead-in wire bar inserts in the slot, coupling arrangement is fixed between wheelwork and the test motherboard, wheelwork is installed between location-plate and the coupling arrangement, and the level pad is fixed on the two ends of platform.
Preferably, described platform has the platform center of rotation, and platform center of rotation and location-plate are in the same plane.
Preferably, the quantity of described test board is two, and two test boards are with respect to platform center of rotation symmetry.
Preferably, the plate face of described location-plate is perpendicular to horizontal direction.
Preferably, the quantity of described slot is two, and two slots place the both sides of location-plate respectively.
Positive progressive effect of the present utility model is: the utility model makes minisize gyroscopes more efficient two tests on axially, it increases the axial, simple in structure of a test, easy operating by the direction that changes test board, than other multiaxis turntable, cost is lower; And according to the requirement of test, the performance that can test many devices on test board simultaneously helps improving the efficient of test component, reduces the testing cost of device significantly.In addition, the utility model can be finished the test to device performance under multiple test environment conditions, and multiple test environment conditions is such as conditions such as different humidity, temperature.
Description of drawings
Fig. 1 is used to test the structural representation of minisize gyroscopes in the test table XOY face of two performances on axially for the utility model.
Fig. 2 is used to test the schematic top plan view of minisize gyroscopes in the test table XOY face of two performances on axially for the utility model.
Fig. 3 opens back and test board to the synoptic diagram perpendicular to the direction motion of XOY face for grab in the utility model.
Fig. 4 is the synoptic diagram of test plate motion behind the location-plate in the utility model.
Embodiment
Lift a preferred embodiment below, and come the clearer the utility model that intactly illustrates in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, the utility model is used to test minisize gyroscopes and comprises platform 1 at the test table of two performances on axially, test motherboard 2, grab 3, spring 4, location-plate 5, spacer block 6, test board 7, coupling arrangement 8, slot 9, wheelwork 10, level pad 13, device under test draw-in groove 14 and lead-in wire bar 15, platform 1 has platform center of rotation 11, platform center of rotation 11 is in the same plane with location-plate 5, platform center of rotation 11 is reference positions that entire equipment is rotated, platform 1 is the base station of whole testing apparatus and the stability of support equipment operation, platform 1 can rotate along test platform rotation direction 12, test platform rotation direction 12 is the rotation direction of equipment in the test process, can do positive and negative both direction at the uniform velocity around the Z axle as required, the even acceleration, the rotation of modes such as change acceleration, test motherboard 2 is positioned at the top of platform 1, and test motherboard 2 is output units of rotational power; One end of grab 3 is fixed on the platform 1, grab 3 is fixed on test board 7 on the level pad 13, guarantee that test board 7 keeps stable horizontality in rotation process, when the test axially change the time, grab 3 moves along grab traffic direction 16, and discharges test board 7, and test board 7 can move to the position of location-plate 5 along test plate motion direction 17 under the effect of spring 4, after the locking, finish the axial change of test; Spring 4 is installed on the wheelwork 10, and for a change the measurement direction of test board 7 provides power; Location-plate 5 is a Z direction location-plate, and the plate face of location-plate 5 is perpendicular to horizontal direction, and location-plate 5 is fixed on the wheelwork 10; Spacer block 6 is fixed in an end of test board 7, finish 90 ° rotation at wheelwork 10 after, guarantee test board 7 and location-plate 5 keeping parallelisms, simultaneously, spacer block 6 also has the function of locking test board 7; The quantity of test board 7 is two, and two test boards 7 are with respect to platform center of rotation 11 symmetries, and test board 7 tops are provided with the device under test draw-in groove 14 of bearing micro accelerometer, and an end of test board 7 is provided with lead-in wire bar 15, and lead-in wire bar 15 inserts in the slot 9; Coupling arrangement 8 is fixed between wheelwork 10 and the test motherboard 2, guarantees that wheelwork 10 and top slot 9 and test board 7 thereof can rotate synchronously; Slot 9 is installed on the wheelwork 10, and the quantity of slot 9 is two, and two slots 9 place the both sides of location-plate 5 respectively; Wheelwork 10 is installed between location-plate 5 and the coupling arrangement 8, can produce 90 ° the flip-flop movement that is parallel to Y-axis; Level pad 13 is fixed on the two ends of platform 1, maintain a certain distance with test motherboard 2, and the height of two level pads 13 wants strictness to be consistent, and when guaranteeing that test board 7 is tested in the horizontal direction, strictness and horizontal direction parallel; Device under test draw-in groove 14 is installed on the test board 7, single shaft to be measured, twin shaft or three gyroscope can be placed in one, and device under test draw-in groove 14 is arranged according to requirement to be measured; Lead-in wire bar 15 is positioned at an end of test board 7, is used to export the signal of device under test under different conditions, and signal is voltage signal or capacitance signal, and device under test can be instruments such as gyroscope.
Being used to test minisize gyroscopes may further comprise the steps in the method for testing of the test table of two performances on axially: as depicted in figs. 1 and 2, this moment, test board 7 was parallel to the YOZ plane, platform 1 rotation is ordered about the testing apparatus and the device under test that carry above and is rotated in the XOY face around the Z axle thereupon, obtain the performance parameter of gyroscope on Z-direction by detecting variation of output signals, testing apparatus can be rotated around the Z axle along with platform, thereby finishes the performance test of device under test when the Z axle moves; After finishing the performance test when the Z axle moves, grab 3 on the test motherboard 2 is opened along grab traffic direction 16 as shown in Figure 3, test board 7 is close to location-plate 5 under the driving of spring 4, spacer block 6 on the test board 7 touches location-plate 5, finish afterwards the locking of test board 7 with respect to location-plate 5, with operation stably in the process that guarantees test on this is axial, as shown in Figure 4, be 90 ° of test board 7 upsets, the axis of rotation of device under test is changed into around X-axis or Y direction, again the performance of device under test is tested afterwards, the rotation direction that comprises the whole testing apparatus of platform does not change, but the to be measured of device under test axially changes, thereby finishes the test to two axial characteristics of device under test.Change test when axial, needn't be when utilizing the single axle table test, by manual dismounting change device axially, thereby make the process of operation convenient more, and, can guarantee the precision of testing can improve the efficient of test again.Wherein, when test board was parallel to XOY plane, the test board face was perpendicular to the platform center of rotation, and can test around the performance of each minisize gyroscopes of platform center of rotation symmetry arrangement this moment; Test board perpendicular to 90 ° of XOY face upsets after, platform keeps sense of rotation constant, but the axle center of device under test is parallel with the XOY face, therefore, can test the performance of device under test on X-axis or Y direction this moment, and needn't adjust the axis direction of device by taking off device.Device under test two of Z axle and X-axis or Z axle and Y-axis axially on performance just can finish by test once, and do not need device is carried out repeatedly dismounting, calibrates and carry out the test of multiaxis performance.
In sum, the utility model test table is useful in the test of carrying out correlated performance under the conditions such as temperature and humidity of different test environments.Accuracy requirement according to device under test; can adopt the power source of different driving ability and the test platform (comprising device and structures such as test board) of different bearer ability; the area size of its test board can customize as requested; therefore, the test table of every and the similar that the utility model proposes is all within protection domain of the present utility model.The method of testing of test table can realize once finishing the performance demarcation of a plurality of devices and proofreading and correct, and the quantity of device under test is at least more than one.
Though more than described embodiment of the present utility model, but those skilled in the art is to be understood that, these only illustrate, and under the prerequisite that does not deviate from principle of the present utility model and essence, can make numerous variations or modification to these embodiments.Therefore, protection domain of the present utility model is limited by appended claims.
Claims (5)
1. test table that is used to test minisize gyroscopes two performances on axially, it is characterized in that, it comprises platform, the test motherboard, grab, spring, location-plate, spacer block, test board, coupling arrangement, slot, wheelwork, the level pad, device under test draw-in groove and lead-in wire bar, the test motherboard is positioned at the top of platform, one end of grab is fixed on the platform, grab is fixed on test board on the level pad, spring is installed on the wheelwork, location-plate is fixed on the wheelwork, spacer block is fixed in an end of test board, the device under test draw-in groove is installed on the test board top, one end of test board is provided with the lead-in wire bar, and the lead-in wire bar inserts in the slot, and coupling arrangement is fixed between wheelwork and the test motherboard, wheelwork is installed between location-plate and the coupling arrangement, and the level pad is fixed on the two ends of platform.
2. the test table that is used to test minisize gyroscopes two performances on axially as claimed in claim 1 is characterized in that described platform has the platform center of rotation, and platform center of rotation and location-plate are in the same plane.
3. the test table that is used to test minisize gyroscopes two performances on axially as claimed in claim 2 is characterized in that the quantity of described test board is two, and two test boards are with respect to platform center of rotation symmetry.
4. the test table that is used to test minisize gyroscopes two performances on axially as claimed in claim 1 is characterized in that the plate face of described location-plate is perpendicular to horizontal direction.
5. the test table that is used to test minisize gyroscopes two performances on axially as claimed in claim 1 is characterized in that the quantity of described slot is two, and two slots place the both sides of location-plate respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200743456U CN201707055U (en) | 2009-07-29 | 2009-07-29 | Testing turntable for testing performance of miniature gyroscope on two axes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200743456U CN201707055U (en) | 2009-07-29 | 2009-07-29 | Testing turntable for testing performance of miniature gyroscope on two axes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201707055U true CN201707055U (en) | 2011-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200743456U Expired - Fee Related CN201707055U (en) | 2009-07-29 | 2009-07-29 | Testing turntable for testing performance of miniature gyroscope on two axes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101957215B (en) * | 2009-07-21 | 2013-01-09 | 深迪半导体(上海)有限公司 | Turntable and method for testing two axial properties of gyroscope |
-
2009
- 2009-07-29 CN CN2009200743456U patent/CN201707055U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101957215B (en) * | 2009-07-21 | 2013-01-09 | 深迪半导体(上海)有限公司 | Turntable and method for testing two axial properties of gyroscope |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Danyang deep well Microelectronics Technology Co., Ltd. Assignor: Senodia Semiconductor (Shanghai) Co., Ltd. Contract record no.: 2012320000413 Denomination of utility model: Testing turntable for testing performance of miniature gyroscope on two axes Granted publication date: 20110112 License type: Common License Record date: 20120406 |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 201203, room 306, building A, building 3000, 1 East Dragon Road, Shanghai, Pudong New Area Patentee after: Senodia Semiconductor (Shanghai) Co., Ltd. Address before: 201203 Shanghai City Chenhui Road, Zhangjiang hi tech Park No. 88 Building No. 1 room 307 Patentee before: Senodia Semiconductor (Shanghai) Co., Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Testing turntable for testing performance of miniature gyroscope on two axes Effective date of registration: 20140108 Granted publication date: 20110112 Pledgee: Bank of Beijing, Limited by Share Ltd, Shanghai branch Pledgor: Senodia Semiconductor (Shanghai) Co., Ltd. Registration number: 2014310000001 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20140808 Granted publication date: 20110112 Pledgee: Bank of Beijing, Limited by Share Ltd, Shanghai branch Pledgor: Senodia Semiconductor (Shanghai) Co., Ltd. Registration number: 2014310000001 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| 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: 20110112 Termination date: 20170729 |