CN107560813A - Micro-nano satellite batching vibration testing method - Google Patents
Micro-nano satellite batching vibration testing method Download PDFInfo
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- CN107560813A CN107560813A CN201710722270.7A CN201710722270A CN107560813A CN 107560813 A CN107560813 A CN 107560813A CN 201710722270 A CN201710722270 A CN 201710722270A CN 107560813 A CN107560813 A CN 107560813A
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Abstract
The invention discloses a kind of micro-nano satellite batching vibration testing method, more micro-nano satellites are fixedly attached on the upper mounting surface of batching vibration test fixture simultaneously, mounting surface under fixture is fixedly connected with vibration table surface again, so as to which the vibration of shake table is passed into more micro-nano satellites simultaneously, micro-nano satellite batching vibration test is realized.Compared with prior art, the present invention improves micro-nano satellite vibration test efficiency, meets micro-nano satellite batch and short cycle manufacture claim, realizes more micro-nano satellites while carry out vibration test.
Description
Technical field
The invention belongs to spacecraft dynamics environment experimental technique field, and in particular to a kind of batching of more micro-nano satellites
Vibration testing method.
Background technology
Micro-nano satellite is satellite of new generation fast-developing in recent years, and the important directions of currently spacecraft technology development
One of, micro-nano satellite earth observation, communication, new technology checking etc. field there is extensive use, have shown that good technology,
Economic and social benefit.Micro-nano satellite refers to whole star quality in double centner magnitude and following satellite, using opening system knot
Structure and standard interface specifications, widely apply innovation design idea and the skills such as COTS parts, industrial technology and microminaturization product
A kind of satellite of art exploitation.Compared with traditional Large-scale satellite and moonlet, micro-nano satellite has miniaturized structure, can batch metaplasia
The features such as production test.
Micro-nano satellite transmitting the mode such as is mainly together carried and launch by several satellite in a rocket, with large satellite and launched.U.S.'s minot
Pottery rocket successfully realizes that the star of 1 arrow 29 is launched.Russian Nie Bai rockets successfully realize that the star of 1 arrow 32 is launched.The Europe started in 2012
Alliance's QB50 projects will realize the record-breaking star of 1 arrow 50 transmitting once implementing.The pattern of several satellite in a rocket is to mechanical rings such as Satellite Vibrations
Border test method proposes new requirement.
The vibration test of traditional Large-scale satellite uses the method that single satellite individually carries out vibration test, and its basic skills is
Single satellite is fixedly connected with shake table by vibration test frock clamp, vibration is controlled using the control system of vibration test
Platform is vibrated by predetermined vibration frequency range and vibration acceleration amplitude, completes vibration test.Due to Large-scale satellite size
Greatly, number of satellite is few, and the vibration testing method of this single satellite is suitable for Large-scale satellite, and for tens
Micro-nano satellite for, if still single satellite carry out vibration test, test efficiency is extremely low, can not meet that micro-nano satellite is big
Batch and short-period manufacture claim.
Therefore, in order to realize micro-nano satellite mass development, it is necessary to study micro-nano satellite batching vibration testing method, solve
The demand of high-volume micro-nano satellite vibration test.
The content of the invention
It is an object of the invention to provide a kind of micro-nano satellite batching vibration testing method, for realizing more micro-nano satellites
Batch vibration test.
The present invention is achieved through the following technical solutions：
The micro-nano satellite batching vibration testing method of the present invention, more micro-nano satellites are fixedly attached to batching vibration simultaneously
On the upper mounting surface of test fixture, then mounting surface under fixture is fixedly connected with vibration table surface, so as to by shake table
Vibration passes to more micro-nano satellites simultaneously, realizes micro-nano satellite batching vibration test.
Wherein, batching vibration test fixture structure form and size and micro-nano satellite structure form, size and shake table platform
Face size matches.
Wherein, fixture upper surface is micro-nano satellite mounting surface, multigroup right according to micro-nano satellite quantity and mounting interface, design
Connection interface, for being fixedly connected with micro-nano satellite, fixture lower surface is fixture mounting surface, is coordinated with vibration table surface interface,
Batching vibration test fixture is sandwich construction, and each layer has the mounting surface of one group of micro-nano satellite, passes through multilayer fixture different layers
Between vibration transmissibility, there is identical vibration test condition installed in the micro-nano satellite of same layer, installed in different layers
Micro-nano satellite there is different vibration test conditions, realize micro-nano satellite batch and packet vibration test.
Wherein, the bottom of batching vibration test fixture is inverted trapezoidal structure, passes through frame on the upper mounting surface of inverted trapezoidal structure
Frame structural support last layer, again by frame structure support last layer again on the upper mounting surface of last layer, all set on each layer
More micro-nano satellites.
Wherein, the vibration transmissibility of batching vibration test fixture different layers is according to different layers micro-nano satellite experimental condition amount
Level relation carries out specific design.
Wherein, methods described comprises the following steps：
1) according to vibration test condition, the corresponding podium level of selection batching vibration test fixture, according to vibration test bar
Part carries out the vibration test of micro-nano satellite；
2) the corresponding podium level of batching vibration test fixture is selected successively according to sequencing, respectively shaking according to each layer
Dynamic test condition carries out vibration test.
Wherein, shake table is horizontal vibration platform or vertical vibration table.
The micro-nano satellite batching vibration testing method of the present invention, compared with the vibration testing method of existing single satellite,
Micro-nano satellite vibration test efficiency is improved, meets micro-nano satellite batch and short cycle manufacture claim, realizes more micro-nano satellites
Carry out vibration test simultaneously.
Brief description of the drawings
Fig. 1 is the individual layer micro-nano satellite batching vibration test schematic diagram in the present invention.
Wherein, 1, micro-nano satellite；2nd, individual layer batching vibration test fixture；3rd, shake table；
Fig. 2 is the multilayer micro-nano satellite batching vibration test schematic diagram in the present invention.
Wherein, 21, first groups of micro-nano satellites；23rd, multilayer batching vibration test fixture；22nd, second group of micro-nano satellite；3rd, shake
Dynamic platform.
Embodiment
The micro-nano satellite batching vibration testing method of the present invention is further described below in conjunction with the accompanying drawings, the explanation is only
Only it is exemplary, it is no intended to limit the scope of the invention.
Fig. 1 is the individual layer micro-nano satellite batching vibration test schematic diagram in the present invention, and Fig. 2 is the multilayer micro-nano in the present invention
Satellite batching vibration test schematic diagram.Embodiment is as follows：
1) batching vibration test fixture is installed
Before vibration test starts, batching vibration test fixture is fixedly attached to the platform of shake table by connectors such as bolts
On face, horizontal vibration platform schematic diagram is only depicted in Fig. 1 and Fig. 2, can also be vertical vibration table in practical application.More micro-nanos
When the vibration test condition of satellite 1 is identical, individual layer batching vibration test fixture is used.Individual layer batching vibration test fixture 2 is overall
Configuration can use square cone-shaped, and typically using aluminum alloy materials, upper surface is plane, sets multigroup micro-nano satellite fixed interface,
Lower surface is plane, sets the table top interface with shake table 3, sets gusset inside cone, connect upper and lower surface, improve
Fixture rigidity.During more micro-nano satellite vibration test condition differences, multilayer batching vibration test fixture 23 is used.Multilayer batching is shaken
Dynamic test fixture increases podium level based on individual layer batching vibration test fixture, on top, and podium level top sets another batch
The fixed interface of micro-nano satellite of the group with higher amount level vibration test condition.Vibration transmission of the platform Rotating fields with respect to first layer
Characteristic carries out specific design according to two layers of vibration test condition magnitude, vibration transmissibility is matched with experimental condition magnitude.
2) batching micro-nano satellite is installed
More micro-nano satellites are grouped by vibration test condition, the micro-nano satellite with same test conditions is divided into
One group.According to vibration test condition, the corresponding podium level of selection batching vibration test fixture.According to fixing micro-nano on podium level
The quantity of the connecting interface of satellite, same group of some micro-nano satellites are passed sequentially through into the connectors such as bolt and are fixedly attached to group
On the mounting plane for criticizing vibration test fixture, such as second group of micro-nano satellite 22 of top setting in first group of micro-nano satellite 21,
Realize that micro-nano satellite packet and batch are installed.If batching vibration test fixture interface quantity is less than micro-nano satellite quantity, first
It is a collection of that a collection of experiment is installed, remaining micro-nano satellite is installed again afterwards and tested again.
3) batching vibration test is carried out
Sensor is pasted on micro-nano satellite, and sensor is connected with Test Data Acquisition System.If micro-nano satellite
Sensor has been pasted before fixture is installed to, then has directly been connected sensor with Test Data Acquisition System.In batching
Experimental condition control sensor is pasted in vibration test fixture orlop flat surface, and is connected with experiment control system.Vibration examination
Experimental condition of the condition using the micro-nano satellite on orlop platform is tested, experimental condition includes vibration frequency range and vibration width
Value, set by micro-nano satellite test requirements document, shake table is started vibration test, and Usage data collection system acquisition experiment number
According to storage is in a computer.During only one layer of micro-nano satellite, all micro-nano satellite vibration inputs are identical, there is multilayer micro-nano satellite
When, by multilayer batching vibration test fixture, the micro-nano satellite of different layers obtains different vibration inputs.Finally carry out experiment number
According to analysis and processing, complete micro-nano satellite batching vibration test.
Although giving detailed description and explanation to the embodiment of the present invention above, it should be noted that
We can carry out various equivalent changes and modification to above-mentioned embodiment according to the conception of the present invention, and its caused function is made
, all should be within protection scope of the present invention during with the spirit still covered without departing from specification and accompanying drawing.
Claims (7)
1. micro-nano satellite batching vibration testing method, more micro-nano satellites are fixedly attached to batching vibration test fixture simultaneously
On upper mounting surface, then mounting surface under fixture is fixedly connected with vibration table surface, so as to which the vibration of shake table be passed simultaneously
More micro-nano satellites are passed, realize micro-nano satellite batching vibration test.
2. micro-nano satellite batching vibration testing method as claimed in claim 1, wherein, batching vibration test fixture structure form
Match with size and micro-nano satellite structure form, size and vibration table surface size.
3. micro-nano satellite batching vibration testing method as claimed in claim 1, wherein, fixture upper surface is installed for micro-nano satellite
Face, according to micro-nano satellite quantity and mounting interface, multigroup mating interface is designed, for being fixedly connected with micro-nano satellite, fixture following table
Face is fixture mounting surface, is coordinated with vibration table surface interface, and batching vibration test fixture is sandwich construction, and each layer has
The mounting surface of one group of micro-nano satellite, by the vibration transmissibility between multilayer fixture different layers, installed in the micro-nano of same layer
Satellite has identical vibration test condition, has different vibration test conditions installed in the micro-nano satellite of different layers, realizes
Micro-nano satellite batch and packet vibration test.
4. micro-nano satellite batching vibration testing method as claimed in claim 1, wherein, the bottom of batching vibration test fixture is
Inverted trapezoidal structure, last layer is supported by frame structure on the upper mounting surface of inverted trapezoidal structure, on the upper mounting surface of last layer again
Last layer again is supported by frame structure, more micro-nano satellites are all set on each layer.
5. micro-nano satellite batching vibration testing method as claimed in claim 1, wherein, batching vibration test fixture different layers
Vibration transmissibility carries out specific design according to different layers micro-nano satellite experimental condition magnitude relation.
6. the micro-nano satellite batching vibration testing method as described in claim any one of 1-5, wherein, methods described includes as follows
Step：
1) according to vibration test condition, the corresponding podium level of batching vibration test fixture is selected, is entered according to vibration test condition
The vibration test of row micro-nano satellite；
2) select the corresponding podium level of batching vibration test fixture successively according to sequencing, tried respectively according to the vibration of each layer
Test condition and carry out vibration test.
7. micro-nano satellite batching vibration testing method as claimed in claim 6, wherein, shake table is horizontal vibration platform or vertical
Shake table.
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| CN201710722270.7A CN107560813A (en) | 2017-08-22 | 2017-08-22 | Micro-nano satellite batching vibration testing method |
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| CN202216818U (en) * | 2011-08-18 | 2012-05-09 | 上海华碧检测技术有限公司 | Miniature component test clamp |
| CN102539101A (en) * | 2011-12-31 | 2012-07-04 | 北京卫星环境工程研究所 | Force limit control vibration test system and test method |
| CN203037437U (en) * | 2013-02-05 | 2013-07-03 | 山东大学 | A joint surface normal-direction dynamic characteristic parameter testing device |
| CN104833467A (en) * | 2015-05-10 | 2015-08-12 | 河南鸿昌电子有限公司 | Multistage vertical refrigerating component anti-vibration testing device |
| CN105203284A (en) * | 2015-09-23 | 2015-12-30 | 河北汉光重工有限责任公司 | Experimental device and method suitable for vibration and impact of small-sized laser gyroscopes |
| CN106706248A (en) * | 2015-11-16 | 2017-05-24 | 联合汽车电子有限公司 | Vibration clamp and vibration test method |
| CN206399620U (en) * | 2016-12-21 | 2017-08-11 | 江苏安纳金机械有限公司 | Vibration test positioning tool |
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2017
- 2017-08-22 CN CN201710722270.7A patent/CN107560813A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202216818U (en) * | 2011-08-18 | 2012-05-09 | 上海华碧检测技术有限公司 | Miniature component test clamp |
| CN102539101A (en) * | 2011-12-31 | 2012-07-04 | 北京卫星环境工程研究所 | Force limit control vibration test system and test method |
| CN203037437U (en) * | 2013-02-05 | 2013-07-03 | 山东大学 | A joint surface normal-direction dynamic characteristic parameter testing device |
| CN104833467A (en) * | 2015-05-10 | 2015-08-12 | 河南鸿昌电子有限公司 | Multistage vertical refrigerating component anti-vibration testing device |
| CN105203284A (en) * | 2015-09-23 | 2015-12-30 | 河北汉光重工有限责任公司 | Experimental device and method suitable for vibration and impact of small-sized laser gyroscopes |
| CN106706248A (en) * | 2015-11-16 | 2017-05-24 | 联合汽车电子有限公司 | Vibration clamp and vibration test method |
| CN206399620U (en) * | 2016-12-21 | 2017-08-11 | 江苏安纳金机械有限公司 | Vibration test positioning tool |
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Application publication date: 20180109 |