CN207036894U - For testing the test fixture of quartz flexibility acceleration sensor long-time stability - Google Patents
For testing the test fixture of quartz flexibility acceleration sensor long-time stability Download PDFInfo
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- CN207036894U CN207036894U CN201720783863.XU CN201720783863U CN207036894U CN 207036894 U CN207036894 U CN 207036894U CN 201720783863 U CN201720783863 U CN 201720783863U CN 207036894 U CN207036894 U CN 207036894U
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- flexibility acceleration
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Abstract
The utility model discloses a kind of test fixture for being used to test quartz flexibility acceleration sensor long-time stability.The test fixture includes fixing device and attachment means, is provided with multiple test devices in fixing device, multiple quartz flexibility acceleration sensors are provided with each test device, fixing device is fixed on high-precision multiteeth indexing table by attachment means.By replacing the test device corresponding with the quartz flexibility acceleration sensor of different batches, and high-precision multiteeth indexing table is controlled to complete the long term stability tests to the quartz flexibility acceleration sensor of different batches.This test fixture not only ensure that the uniformity of quartz flexibility acceleration sensor fixed position, but also can test the performance perpendicular to reference plane and parallel to the quartz flexibility acceleration sensor in reference plane both direction simultaneously, improve its operating efficiency.
Description
Technical field
A kind of test fixture is the utility model is related to, more particularly to it is a kind of for testing quartz flexibility acceleration sensor length
The test fixture (hereinafter referred to as test fixture) of phase stability.
Background technology
Quartz flexibility acceleration sensor is one of main element of inertial navigation system, is widely used in space flight, boat
The fields such as the navigational guidance and control of empty, navigation and armament systems.The bias of quartz flexibility acceleration sensor, constant multiplier etc.
It is that the length of the stationary phase such as important indicator, bias, constant multiplier for testing its performance can influence indirectly in the stability of storage period
Efficiency to inertia motion carrier system plays and maintainability.Therefore, in order to ensure the bias of quartz flexibility acceleration sensor,
The stability during being electrified for a long time such as constant multiplier is, it is necessary to test the long-time stability of quartz flexibility acceleration sensor.
The method of the long-time stability of existing test quartz flexibility acceleration sensor, as shown in figure 1, in quartz flexible
(do not show in figure, it is necessary to which first test fixture 1 is fixed on high-precision multiteeth indexing table in the test process of acceleration transducer
Go out), then each quartz flexibility acceleration sensor 2 in this batch is screwed and surveyed on test fixture 1
Examination, after the completion of test, disassembles storage, then carry out by the quartz flexibility acceleration sensor of this batch from test fixture 1
The test of the quartz flexibility acceleration sensor of next batch.Because quartz flexibility acceleration sensor long term stability tests are
One long-term repetitive process, therefore, when carrying out quartz flexibility acceleration sensor long term stability tests, quartz flexible adds
Velocity sensor will undergo fixation and dismounting repeatedly, and when the fixed position relative of quartz flexibility acceleration sensor changes
During change, its output numerical value also has small difference, so as to influence to determine the excellent performance journey of quartz flexibility acceleration sensor
Degree.
In summary, the installation and debugging process of above-mentioned test fixture is relatively complicated, and testing efficiency is relatively low.Therefore, need
Existing test fixture is improved.
The content of the invention
Technical problem to be solved in the utility model is that providing one kind is used to test quartz flexibility acceleration sensor
The test fixture of long-time stability.
To achieve these goals, the utility model uses following technical proposals：
A kind of test fixture for being used to test quartz flexibility acceleration sensor long-time stability, including fixing device and company
Connection device, multiple test devices are installed in the fixing device, multiple quartz flexibles are installed in each test device
Acceleration transducer, the fixing device are fixed on high-precision multiteeth indexing table by the attachment means；
By replacing the test device corresponding with the quartz flexibility acceleration sensor of different batches, and control
The high-precision multiteeth indexing table is made to complete to survey the long-time stability of the quartz flexibility acceleration sensor of different batches
Examination.
Wherein more preferably, the fixing device uses support, and the corner of the support is provided with the first screw.
Wherein more preferably, the rectangular parallelepiped structure that the support is spliced by four block length square plates；Every piece of rectangle
The size of plate is identical, and forms the work top of the support.
Wherein more preferably, every piece of rectangular slab is provided with the first open area and the second open area, and described first
The position of open area and second open area just with multiple quartz flexibility acceleration sensors in test system
Position correspondence.
Wherein more preferably, the perpendicularity between each work top of the support and the depth of parallelism are not more than
0.01mm。
Wherein more preferably, the test device uses working panel, and the corner of the working panel is respectively arranged with second
Screw, second screw are connected by the first screw with the first screw, and realization makes multiple working panels and the fixation
Multiple work tops of device are corresponding to be connected.
Wherein more preferably, the both ends of each working panel open up fluted, and what is be connected with external test facility is defeated
Go out cable through after attachment means and the groove, respectively with each institute in the quartz flexibility acceleration sensor of different batches
State the binding post connection of quartz flexibility acceleration sensor.
Wherein more preferably, each working panel is used for end face and the opposite for fixing quartz flexibility acceleration sensor
The depth of parallelism be not more than 0.01mm.
Wherein more preferably, the edge of each working panel aligns with the edge of corresponding work top.
Wherein more preferably, the attachment means are disk structure, and the side of the disk structure is connected with support, institute
The opposite side for stating disk structure is connected with the high-precision multiteeth indexing table.
Test fixture provided by the utility model is by the way that the quartz flexibility acceleration sensor for needing to be tested is divided
It Dui Ying not be fixed together with multiple working panels, ensure that the uniformity of quartz flexibility acceleration sensor fixed position；And
And make it that only the working panel corresponding with the quartz flexibility acceleration sensor of different batches need to be replaced, you can realize to difference
The test of the quartz flexibility acceleration sensor of batch.This test fixture can be tested perpendicular to reference plane and parallel to base simultaneously
The performance of quartz flexibility acceleration sensor in quasi- face both direction, improves its operating efficiency.
Brief description of the drawings
Fig. 1 is the knot of the test fixture for testing quartz flexibility acceleration sensor long-time stability in the prior art
Structure schematic diagram；
Fig. 2 is the test work provided by the utility model for being used to test quartz flexibility acceleration sensor long-time stability
The structural representation of dress.
Embodiment
Technology contents of the present utility model are described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Fig. 2 test fixture provided by the utility model includes fixing device 3, test system 4 and attachment means
5.Wherein, fixing device 3 is installed in attachment means 5, and multiple test systems 4 are provided with fixing device, are pacified in test system 4
Equipped with multiple quartz flexibility acceleration sensors 2.(do not shown in figure by the way that attachment means 5 are attached into high-precision multiteeth indexing table
Go out) on, and by high-precision multiteeth indexing table after predetermined angular is overturn, the data drawn are transferred to outside special test
Equipment, the data drawn after high-precision multiteeth indexing table is repeatedly overturn to the position where same predetermined angular are contrasted, with
Determine the long-time stability of quartz flexibility acceleration sensor.
In test fixture provided by the utility model, as shown in Fig. 2 fixing device 3 can use support, the support
It is connected with attachment means 5, and the first screw is also respectively provided with the corner of support 3.The support is spelled by four block length square plates
The rectangular parallelepiped structure connect.The size of each block length square plate is identical, and constitutes a work top of support 3, four pieces
Rectangular slab is four work tops for constituting support 3.The first open area 31 is provided with each block length square plate
With the first open area 32, the position of the first open area 31 and the first open area 32 just with it is multiple in test system 4
The position correspondence of quartz flexibility acceleration sensor 2, realize the multiple quartz flexibility acceleration sensors 2 made in test system 4
It can correspond to through the first open area 31 and the second open area 32.Wherein, attachment means 5 are disk structure, the disk
The side of formula structure 5 is connected with support 3, and the opposite side of disk structure 5 is used to be connected with high-precision multiteeth indexing table, that is, realizes
Support 3 is set to be fixed on high-precision multiteeth indexing table by disk structure 5.
As shown in Fig. 2 test system 4 is working panel, the second screw is respectively arranged with the corner of working panel 4, the
Two screws are corresponding with the first screwhole position on support 3, by using the first spiral shell to match with the first screw and the second screw
Nail 6, which is realized, makes corresponding four work tops (i.e. the side of support 3) with support 3 of multiple working panels 4 be fixed together.Its
In, the edge of each working panel 4 aligns with the edge of corresponding work top.It can be arranged two in parallel on working panel 4
Arrange quartz flexibility acceleration sensor 2.For example, as shown in Fig. 2 it can be set in each working panel 4 being connected with support 3
Eight quartz flexibility acceleration sensors 2, and eight quartz flexibility acceleration sensors 2 are divided into two rows and be arranged in parallel
On working panel 4.It is respectively arranged with working panel and the 3rd screw phase on multiple quartz flexibility acceleration sensors 2
Corresponding 4th screw, each quartz flexibility acceleration sensor 2 match by using with the 3rd screw and the 3rd screw
The second screw 7, realization be fixed together with working panel 4.It is emphasized that in order to mitigate the overall matter of this test fixture
Amount, can open up groove 41 respectively at the both ends for each working panel 4 being connected with support 3.The groove 41 also has other one
Individual effect, the convenient output cord being connected with external test facility can through attachment means 5 and groove 41 respectively with difference
The binding post connection of each quartz flexibility acceleration sensor 2 in batch quartz flexibility acceleration sensor 2, is realized to quartz
The monitoring of flexible acceleration transducer.It is fixed in fixing device 3 after high-precision multiteeth indexing table is overturn in predetermined angular
Quartz flexibility acceleration sensor can by output cord by caused data be transferred to outside test equipment recorded.
The installation of test fixture provided by the utility model and the course of work are：(1) support 3 is passed through into disk structure
5 are fixed on high-precision multiteeth indexing table；(2) four working panels 4 are passed together with multiple quartz flexible acceleration above it
Sensor 2 is corresponding to be fixed on four work tops of support 3.(3) output cord being connected with external test facility is passed through
The binding post of attachment means 5 and groove 41 respectively with certain a batch of quartz flexibility acceleration sensor 2 is connected.Now, adjust
On high-precision multiteeth indexing table to 0 degree of position, then control high-precision multiteeth indexing table to overturn to predetermined angle and tested, obtained
The test equipment that the data gone out are transferred to outside is recorded.Using the repeatability of high-precision multiteeth indexing table, when certain
Between in the cycle, to multiple quartz flexibility acceleration sensors 2 on a batch of four working panels 4 in same preset angle
The position of degree is tested repeatedly, and records the test data of repeated multiple times test respectively, contrasts the survey of repeated multiple times test
Data are tried, the smaller explanation quartz flexibility acceleration sensor performance of the test data gap is better, so that it is determined that quartz flexible
The long-time stability of acceleration transducer.
This test fixture can be to the same as multiple quartz flexibility acceleration sensors 2 on a batch of four working panels 4
, only need to be by the output cord being connected with external test facility and with a batch of four working panels 4 after being tested
The wiring post separation of multiple quartz flexibility acceleration sensors 2, and by four working panels 4 of the batch respectively from the four of support
Disassemble, preserve appropriate on individual work top；Then by four working panels 4 of next batch together with multiple stones above it
English flexibility acceleration transducer 2 is installed to corresponding four work tops, and the output line being connected with external test facility
Cable is connected with the binding post of the quartz flexibility acceleration sensor 2 of the batch, then adopts with the aforedescribed process (test fixture
Say, will not be repeated here above test process.) quartz flexibility acceleration sensor 2 of the batch is tested.By adopting
It is fixed together with by multiple quartz flexibility acceleration sensors 2 with corresponding working panel 4, forms an entirety.Work as needs
When carrying out retest to certain a batch of quartz flexibility acceleration sensor 2, it will need to only accelerate with the quartz flexible of the batch
Multiple working panels of the corresponding connection of degree sensor 2 are installed on corresponding four work tops and tested.Therefore, exist
Quartz flexibility acceleration sensor 2 and corresponding work before the long term stability tests of quartz flexibility acceleration sensor 2 are completed
Panel 4 does not separate, therefore the working condition of quartz flexibility acceleration sensor 2 and fixed position relative will not change,
So as to not interfere with the excellent performance degree for determining quartz flexibility acceleration sensor.
In addition, the perpendicularity and the depth of parallelism between each work top of support 3 are held within 0.01mm, Mei Gegong
Make panel 4 and be used to fix the end face of quartz flexibility acceleration sensor 2 and the depth of parallelism of opposite also within 0.01mm.Utilize
The hexahedron performance of support 3, on two adjacent vertical work tops, quartz flexible acceleration sensing can be tested simultaneously
Performance of the device in the parallel and plumbness with basal plane, improves its operating efficiency.This test fixture is high-precision to be processed into one
Step has ensured the accuracy of its test performance, substantially increases to the long term stability tests of quartz flexibility acceleration sensor 2
Precision.
Test fixture provided by the utility model is by the way that the quartz flexibility acceleration sensor for needing to be tested is divided
It Dui Ying not be fixed together with multiple working panels, ensure that the uniformity of quartz flexibility acceleration sensor fixed position；And
And make it that only the working panel corresponding with the quartz flexibility acceleration sensor of different batches need to be replaced, you can realize to difference
The test of the quartz flexibility acceleration sensor of batch.This test fixture can be tested perpendicular to reference plane and parallel to base simultaneously
The performance of quartz flexibility acceleration sensor in quasi- face both direction, improves its operating efficiency.
Above to the test provided by the utility model for being used to test quartz flexibility acceleration sensor long-time stability
Frock is described in detail.For those of ordinary skill in the art, without departing substantially from the utility model in essence spirit
Under the premise of any obvious change for being done to it, will all belong to the protection domain of the utility model patent power.
Claims (10)
1. a kind of test fixture for being used to test quartz flexibility acceleration sensor long-time stability, it is characterised in that including fixation
Device and attachment means, multiple test devices are installed in the fixing device, be provided with each test device multiple
Quartz flexibility acceleration sensor, the fixing device are fixed on high-precision multiteeth indexing table by the attachment means；
By replacing the test device corresponding with the quartz flexibility acceleration sensor of different batches, and control institute
State long term stability tests of the high-precision multiteeth indexing table completion to the quartz flexibility acceleration sensor of different batches.
2. the test fixture as claimed in claim 1 for being used to test quartz flexibility acceleration sensor long-time stability, it is special
Sign is：
The fixing device uses support, and the corner of the support is provided with the first screw.
3. the test fixture as claimed in claim 2 for being used to test quartz flexibility acceleration sensor long-time stability, it is special
Sign is：
The rectangular parallelepiped structure that the support is spliced by four block length square plates；The size of every piece of rectangular slab is identical, and
Form the work top of the support.
4. the test fixture as claimed in claim 3 for being used to test quartz flexibility acceleration sensor long-time stability, it is special
Sign is：
Every piece of rectangular slab is provided with the first open area and the second open area, first open area and described
Position correspondence of the position of two open areas just with multiple quartz flexibility acceleration sensors in test system.
5. the test fixture as claimed in claim 3 for being used to test quartz flexibility acceleration sensor long-time stability, it is special
Sign is：
Perpendicularity and the depth of parallelism between each work top of the support are not more than 0.01mm.
6. the test fixture as claimed in claim 1 for being used to test quartz flexibility acceleration sensor long-time stability, it is special
Sign is：
The test device uses working panel, and the corner of the working panel is respectively arranged with the second screw, second spiral shell
Hole is connected by the first screw with the first screw, and realizing makes multiple working panels and multiple workbench of the fixing device
Face is corresponding to be connected.
7. the test fixture as claimed in claim 6 for being used to test quartz flexibility acceleration sensor long-time stability, it is special
Sign is：
Each the both ends of the working panel open up fluted, and the output cord being connected with external test facility fills through connection
Put and the groove after, respectively with each quartz flexible acceleration in the quartz flexibility acceleration sensor of different batches
The binding post connection of sensor.
8. the test fixture as claimed in claim 7 for being used to test quartz flexibility acceleration sensor long-time stability, it is special
Sign is：
Each working panel is used to fix the end face of quartz flexibility acceleration sensor and the depth of parallelism of opposite is not more than
0.01mm。
9. the test fixture as claimed in claim 7 for being used to test quartz flexibility acceleration sensor long-time stability, it is special
Sign is：
Alignd with the edge of corresponding work top at the edge of each working panel.
10. the test fixture as claimed in claim 1 for being used to test quartz flexibility acceleration sensor long-time stability, it is special
Sign is：
The attachment means are disk structure, and the side of the disk structure is connected with support, the disk structure
Opposite side is connected with the high-precision multiteeth indexing table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720783863.XU CN207036894U (en) | 2017-06-30 | 2017-06-30 | For testing the test fixture of quartz flexibility acceleration sensor long-time stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720783863.XU CN207036894U (en) | 2017-06-30 | 2017-06-30 | For testing the test fixture of quartz flexibility acceleration sensor long-time stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207036894U true CN207036894U (en) | 2018-02-23 |
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ID=61466185
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720783863.XU Active CN207036894U (en) | 2017-06-30 | 2017-06-30 | For testing the test fixture of quartz flexibility acceleration sensor long-time stability |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067845A (en) * | 2020-09-04 | 2020-12-11 | 中国船舶重工集团公司第七0七研究所 | Quartz pendulum accelerometer long-term stability testing tool and testing method |
| CN112362087A (en) * | 2021-01-13 | 2021-02-12 | 北京诺亦腾科技有限公司 | Novel industrial measurement structure and novel industrial measurement system |
| CN116223849A (en) * | 2022-12-02 | 2023-06-06 | 廊坊市北斗神舟测控仪器有限公司 | Quartz flexible acceleration sensor scale factor test fixture |
-
2017
- 2017-06-30 CN CN201720783863.XU patent/CN207036894U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067845A (en) * | 2020-09-04 | 2020-12-11 | 中国船舶重工集团公司第七0七研究所 | Quartz pendulum accelerometer long-term stability testing tool and testing method |
| CN112362087A (en) * | 2021-01-13 | 2021-02-12 | 北京诺亦腾科技有限公司 | Novel industrial measurement structure and novel industrial measurement system |
| CN112362087B (en) * | 2021-01-13 | 2021-08-10 | 北京诺亦腾科技有限公司 | Industrial measurement structure and industrial measurement system |
| CN116223849A (en) * | 2022-12-02 | 2023-06-06 | 廊坊市北斗神舟测控仪器有限公司 | Quartz flexible acceleration sensor scale factor test fixture |
| CN116223849B (en) * | 2022-12-02 | 2023-10-20 | 廊坊市北斗神舟测控仪器有限公司 | Quartz flexible acceleration sensor scale factor test fixture |
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