CN106052995A - Centrifugation electric vibration table system - Google Patents
Centrifugation electric vibration table system Download PDFInfo
- Publication number
- CN106052995A CN106052995A CN201610541373.9A CN201610541373A CN106052995A CN 106052995 A CN106052995 A CN 106052995A CN 201610541373 A CN201610541373 A CN 201610541373A CN 106052995 A CN106052995 A CN 106052995A
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- China
- Prior art keywords
- centrifuge
- vibration table
- vibration
- power amplifier
- slip ring
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/007—Subject matter not provided for in other groups of this subclass by applying a load, e.g. for resistance or wear testing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention discloses a centrifugation electric vibration table system. The centrifugation electric vibration table system comprises a centrifuge, an electric vibration table, a power amplifier, a vibration control instrument, a cooling apparatus, a centering apparatus and an acceleration transducer, wherein a vibration table body is arranged at the tail end of an arm of the centrifuge, the power amplifier, the vibration control instrument, the cooling apparatus and the centering apparatus are arranged around the rotation center of the centrifuge and realize equipment communication with a master control chamber through a slip ring system, the acceleration transducer is arranged on the electric vibration table, and a closed-loop control circuit formed by the vibration control instrument, the power amplifier, the vibration table body, the acceleration transducer and the vibration control instrument does not pass through the slip ring system. The centrifugation electric vibration table system is safe and reliable, centrifugal forces applied to the power amplifier, the cooling apparatus and a control cabinet are the smallest, the maintenance and the debugging are convenient, and the requirement for application of the electric vibration table system on the centrifuge can be satisfied.
Description
Technical field
The present invention relates to a kind of comprehensive mechanics environmental test equipment, be specifically related to one and be applicable to Centrifugal Environment, be installed on
Electric vibration table system on centrifuge.This equipment is mainly used in space flight, aviation etc. and is operated in vibration and transships in combinational environment
The development of product.
Background technology
Dynamic environmental test equipment is mainly used for simulating the reality of the various products such as space flight, aviation, boats and ships, automobile, high ferro
Border uses environment.Wherein, vibration table is mainly used in simulating the vibration environment of various product, and centrifuge is mainly used in simulating all kinds of product
The overload environment of product.
For Aeronautics and Astronautics equipment, it generally works in compound dynamic environment.The such as major part such as rocket, satellite boat
When it equipment is launched or reclaims, it is operated in and vibrates under the combinational environment simultaneously acted on high overload.Be put to the test the limit of equipment in the past
Two kinds of environment are typically separately examined the reliability of test specimen, are i.e. used condition according to it by system, individually carry out vibration test with centrifugal
Overload test, on the one hand this situation is difficult to understand the impact on test specimen reliability of the product real ambient conditions, on the other hand,
It is greatly reduced the efficiency of product development.Reliable to these products in order to real use environment being completely exposed by test method
Property impact, it is necessary to the dynamic environmental test equipment using vibration compound with overload carries out the reliability test of this series products, with
Simulation integrated environment residing for space equipment more really.Therefore, research vibration, overload combined environment testing equipment have emphatically
The meaning wanted, it can predict the potential event that can not expose in single vibration or overload environmental test more accurately
Barrier, is conducive to improving the dependability of Aeronautics and Astronautics equipment.
Applying more shaking table system to include electric vibration table and hydraulic pressure platform two kinds at present, electric vibration table compares hydraulic pressure
Platform has the features such as wide frequency range, wave distortion are little, uses widely.The electric vibration table system of complete set includes shaking
Dynamic platform stage body, centralising device, power amplifier, vibration control instrument system, chiller etc..Before vibration test starts, it is ensured that dynamic
Circle is on equilbrium position, and arranges vibrational spectra on vibration controller, exports electric current to moving coil winding after input power amplifier
Make it produce vibration, the acceleration transducer on moving-coil table top by collection data feedback and with control spectrum compare afterwards adjust power put
Big device output, it is achieved the closed loop control of shaking table system.
Vibration table mounting means on centrifuge typically has suitable arm to install, plumbing arm installs two kinds.When centrifuge rotates, shake
Dynamic platform each several part, by after centrifugal action, will affect it and normally work.When installing along arm, jigging platform moving coil is axially centrifuged
Power so that it is equilbrium position cannot be axially retained at；Plumbing arm install time, the centrifugal force that moving-coil is subject to is lateral, due to moving-coil around
Line part and magnet easily cause moving-coil and the friction of stage body, collision, damage vibration table.As long as both mounting means overcome it
Centrifugal force suffered by moving-coil, all can normally work, and therefore, its technological difficulties are how to overcome the centrifugal force suffered by moving-coil, state
Inside and outside existing related article has carried out numerous studies to this.It addition, for safety, Centrifuge Room operationally will be in closed
State, the electric vibration table system that centrifuge uses is compared with the vibration table that common ground uses, when its work, operator
Can only be between the master control outside Centrifuge Room.In addition to the operation completed before centrifuge starts, remaining operation all should be at Centrifuge Room
Outer operation room completes.The shaking table system of complete set is made up of multiple equipment, and all devices being placed on centrifuge exists
By subject to centrifugal forces during centrifuge work, and the size of centrifugal force suffered by equipment is corresponding to the requirement of strength of equipment itself
Improve.Between equipment on centrifuge and between master control, power supply and communication need to be through slip rings, and therefore, shaking table system each several part is placed
Position be not only related to convenience, the strength problem that equipment operates, it is often more important that consider how to place and can reduce interference, guarantor
The card reliability of shaking table system, safety and systematic function.
Summary of the invention
Add, in order to truly simulate the vibration residing for all kinds of military, the product for civilian use, the practical service environment that overload is compound, meet
The vibration of this kind of test specimen adds the test demand that overload is compound, solves to examine test specimen by individually carrying out vibration and overload test in the past
The drawback of reliability, present invention determine that the required ingredient of shaking table system used on centrifuge and each several part are centrifugal
Arrangement on machine, each portion such as including vibration table stage body, power amplifier, vibration controller, chiller and remote control device
Divide the arrangement on centrifuge.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of centrifugal electric vibration table system, including centrifuge and electric vibration table, also includes power amplifier, vibration control
Instrument processed, chiller, centralising device and acceleration transducer, described vibration table stage body is at centrifuge horn end, described power
Amplifier, vibration controller, chiller and centralising device are around centrifuge center of rotation, by between slip ring system and master control
Device talk, described acceleration transducer is placed on electric vibration table, vibration controller-power amplifier-vibration table stage body-add
Velocity sensor-vibration controller forms close loop control circuit, and each ingredient of this close loop control circuit is all arranged in centrifuge
Arm.
Described vibration controller and centralising device are integrated into a rack, are symmetrically disposed at centrifugal basket with power amplifier
Disorder of internal organs heart both sides.
Described one is centrifuged electric vibration table system and also includes converting interface in pipeline, is positioned in the middle part of centrifuge horn, with cold
The part that radiator cooler connects is hard tube, and the part connected with vibration table stage body is flexible pipe.
Described chiller uses cooling blower quenching.
Between described master control, equipment includes main frame, power amplifier remote control device and centering remote control device；Described cunning
Loop systems includes electric power slip ring, signal slip ring and optical fiber slip ring, wherein, electric power slip ring be power amplifier, vibration controller and
Centralising device is powered；Signal slip ring realizes the power amplifier remote control device between master control, centering remote control device and Centrifuge Room
Communication between power amplifier, centralising device；Optical fiber slip ring realizes the communication of the main frame between master control and vibration controller.
Centrifugal electric vibration table system is mainly by vibration table stage body, power amplifier, vibration controller, chiller and remote
Process control device forms.Wherein vibration table stage body is arranged on centrifuge horn end, to ensure that centrifuge is at certain rotating speed bar
Under part, the test specimen that vibration table surface is installed reaches bigger centrifugal acceleration.Vibration table stage body can use to be installed along arm or hangs down
The direction of vibration of arm mounting means, i.e. moving-coil can be along centrifuge arm direction or direction normal thereto, and no matter which kind of mounting means shakes
Dynamic platform is respectively provided with moving-coil centrifugal force bascule.
Chiller is placed on around centrifuge center of rotation, and cooling line uses hard tube to add the mode of flexible pipe combination, its
In the part that connects with chiller use hard tube, the part connected with vibration table uses flexible pipe.Cooling blower preferably employs and blows
Air cooling, the three-phase input of fan power is provided by power amplifier.
Power amplifier (the including excitation) rack of shaking table system is placed on centrifuge as far as possible by the position at center, power
The three-phase input of APS amplifier power supply is powered by the electric power slip ring of centrifuge center of rotation, and power amplifier is to the input bag of vibration table
Include field power supply, be connected with vibration table stage body along centrifuge arm by tensile cable.
Vibration control system includes vibration controller, main frame (containing display).Vibration controller is placed on centrifugal
Around machine center of rotation, main frame etc. operates the operation room that relevant device is placed on outside Centrifuge Room.Vibration controller with
Power amplifier, sensor connected mode identical with ground；Between the vibration controller of Centrifuge Room and master control, computer passes through
Optical fiber slip ring carries out data exchange.
Remote control includes power amplifier remote control device and centering remote control device two parts.Remote control leads to
Cross signal slip ring and carry out data exchange with the equipment on centrifuge, it is achieved between master control, the shaking table system on centrifuge is correlated with
The monitoring of equipment.
It addition, vibration controller, centralising device are integrated with power amplifier rack, be designed as can be symmetrically placed double
Array rack, rack is symmetrically disposed at centrifuge center.Converting interface in centrifuge horn near middle, design pipeline,
The all pipelines being connected with vibration table are transferred at pipeline transfer seam.
Beneficial effects of the present invention is as follows:
This centrifugal electric vibration table system determines the required ingredient of shaking table system used on centrifuge and each
Ingredient arrangement on centrifuge.Vibration table is arranged on the distalmost end of centrifuge arm, it is ensured that be installed on vibration table
The test specimen of moving-coil table top obtains the centrifugal acceleration of maximum in the case of centrifuge work specific rotation speeds；Chiller and power are put
It is minimum that big device is disposed close to suffered centrifugal force when the position of centrifuge center of rotation makes its work, chiller and vibration table it
Between pipeline use hard tube to add the mode of flexible pipe combination, it is possible to decrease the quality of fit that vibration table and chiller are installed, can be more square
Just installation, maintenance or dismounting.Power amplifier remote control device and centering remote control device may be implemented between the master control outside Centrifuge Room
Carry out the necessary operation of system and test parameters is arranged；It addition, vibration controller, centralising device are carried out with power amplifier rack
Integration can optimize centrifuge stress.In centrifuge horn near middle design pipeline, converting interface can facilitate vibration table dismounting, maintenance
Deng.The most important thing is, the vibration controller-power amplifier of vibration experiment-vibration table stage body-acceleration is passed by the present invention
The closed loop of sensor-vibration controller is totally placed on centrifuge arm, makes this closed loop will not be interfered centrifuge
The interference of slip ring, system work is more reliable and more stable.
This centrifugal electric vibration table system is safe and reliable, centrifugal force suffered by power amplifier, chiller, switch board
Minimum, keeps in repair, debugs conveniently, can meet the requirement that electric vibration table system uses on centrifuge.
Accompanying drawing explanation
Fig. 1 is the centrifugal electric vibration table system schematic of the present invention.
1 electric vibration table system 1.1 vibration table stage body 1.2 power amplifier 1.3 switch board 1.3.1 vibration
Controller 1.3.2 centralising device 1.4 chiller 1.5 power amplifier remote control device 1.6 centering remote control device 1.7
In main frame 2 centrifuge 2.1 centrifuge horn 2.2 slip ring system 2.3 centrifuge center of rotation 2.4 pipeline
5 acceleration transducer L3.1 flexible pipe L3.2 hard tube between converting interface 3 Centrifuge Room 4 master control
Detailed description of the invention
With detailed description of the invention, technical scheme is described in further details below in conjunction with the accompanying drawings.Obviously, institute
The embodiment described is only a part of embodiment of the present invention rather than whole embodiments.Based on embodiments of the invention,
The every other embodiment that those skilled in the art are obtained under not making creative work premise, broadly falls into the present invention and wants
Seek the scope of protection.
As shown in Figure 1, the electric vibration table system 1 that the centrifuge that the present invention relates to uses mainly includes stage body 1.1, merit
Rate amplifier 1.2, switch board 1.3, chiller 1.4, power amplifier remote control device 1.5, centering remote control device 1.6, calculating
Machine host 1.7.Wherein, switch board 1.3 is made up of vibration controller 1.3.1, centralising device 1.3.2.When working due to centrifuge
Being in rotation status, Centrifuge Room must be isolated, in order to make system controlled, the safety of work, and each composition of electric vibration table system
It is partially disposed between Centrifuge Room 3 and master control in 4 the two insulating spaces.
In Centrifuge Room 3, the stage body 1.1 of vibration table is arranged on the end of centrifuge horn 2.1 and (is illustrated as installing along arm
Mode, it is possible to use plumbing arm mounting means), against location arrangements power amplifier 1.2, the control of centrifuge center of rotation 2.3
It is internal that cabinet 1.3 processed, chiller 1.4, vibration controller 1.3.1 and centralising device 1.3.2 are arranged on switch board 1.3.In master control
Between 4, be placed with power amplifier remote control device 1.5, centering remote control device 1.6, main frame 1.7.In order to install, dismantle,
Converting interface 2.4 in the near middle of centrifuge horn 2.1, design pipeline, the pipeline between chiller 1.4 and stage body 1.1
It is designed as: the pipeline near stage body 1.1 part is flexible pipe L3.1, is hard tube L3.2 near chiller 1.4 part pipeline, cooling
Device is powered by power amplifier 1.2.
Slip ring system 2.2 provides power supply for Centrifuge Room, and realizes the communication of equipment between 4 between Centrifuge Room 3 and master control.
Wherein electric power slip ring is that power amplifier 1.2, vibration controller 1.3.1, centralising device 1.3.2 power；Signal slip ring realizes main
The power amplifier remote control device 1.5 of 4, centering remote control device 1.6 and the power amplifier 1.2 of Centrifuge Room, centering dress between control
Put the communication between 1.3.2；Optical fiber slip ring realizes the main frame 1.7 of between master control 4 and the communication of vibration controller 1.3.1.
During work, first staff is in Centrifuge Room, will install and the power amplifier 1.2 on centrifuge 2, vibration
Controller 1.3.1 and the power supply opening such as centralising device 1.3.2, chiller 1.4, then start centrifuge 2, and centrifuge started
Cheng Zhong, staff uses automatic or manual mode to control moving-coil centering by centering remote control device 1.6 between master control, by meter
Calculate machine host 1.7 and test parameters is set, control gain by power amplifier remote control device 1.5.In work process, vibration control
The close loop control circuit of instrument 1.3.1-power amplifier 1.2-acceleration transducer 5-vibration controller 1.3.1 is in Centrifuge Room
Portion is carried out, and system is stable and reliable in work.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments is apparent from for the patented technology personnel of this area, and as defined herein one
As principle can realize in other embodiments without departing from the present invention.Therefore, the present invention will not be limited
It is formed on the embodiments shown herein, and is to fit to the widest model consistent with principles disclosed herein and features of novelty
Enclose.
Claims (5)
1. a centrifugal electric vibration table system, including centrifuge and electric vibration table, it is characterised in that also include power amplification
Device, vibration controller, chiller, centralising device and acceleration transducer, described vibration table stage body at centrifuge horn end,
Described power amplifier, vibration controller, chiller and centralising device, around centrifuge center of rotation, pass through slip ring system
And device talk between master control, described acceleration transducer is placed on electric vibration table, vibration controller-power amplifier-vibration
Platform stage body-acceleration transducer-vibration controller forms close loop control circuit, and each ingredient of this close loop control circuit is all arranged
In centrifuge arm.
One the most according to claim 1 is centrifuged electric vibration table system, it is characterised in that described vibration controller and right
Middle device is integrated into a rack, is symmetrically disposed at centrifuge center of rotation both sides with power amplifier.
One the most according to claim 1 and 2 is centrifuged electric vibration table system, it is characterised in that also include pipeline transfer
Interface, is positioned in the middle part of centrifuge horn, and the part connected with chiller is hard tube, and the part connected with vibration table stage body is soft
Pipe.
One the most according to claim 1 and 2 is centrifuged electric vibration table system, it is characterised in that described chiller is adopted
Use cooling blower quenching.
One the most according to claim 1 and 2 is centrifuged electric vibration table system, it is characterised in that equipment between described master control
Including main frame, power amplifier remote control device and centering remote control device；Described slip ring system includes electric power slip ring, signal
Slip ring and optical fiber slip ring, wherein, electric power slip ring is that power amplifier, vibration controller and centralising device are powered；Signal slip ring is real
Between power amplifier remote control device, centering remote control device and the power amplifier of Centrifuge Room, the centralising device between existing master control
Communication；Optical fiber slip ring realizes the communication of the main frame between master control and vibration controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610541373.9A CN106052995A (en) | 2016-07-11 | 2016-07-11 | Centrifugation electric vibration table system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610541373.9A CN106052995A (en) | 2016-07-11 | 2016-07-11 | Centrifugation electric vibration table system |
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| CN106052995A true CN106052995A (en) | 2016-10-26 |
Family
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Family Applications (1)
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| CN201610541373.9A Pending CN106052995A (en) | 2016-07-11 | 2016-07-11 | Centrifugation electric vibration table system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679917A (en) * | 2016-12-30 | 2017-05-17 | 脉创测控装备科技（苏州）有限公司 | Integrated vibration test system and energy consumption management method thereof |
| CN109238615A (en) * | 2018-11-05 | 2019-01-18 | 苏州东菱振动试验仪器有限公司 | A kind of device, method and the electromagnetic vibration generator system of equilibrium centrifugation power |
| CN109264026A (en) * | 2018-11-14 | 2019-01-25 | 航宇救生装备有限公司 | Anti-G valve dynamic physical performance testing equipment |
| CN110006642A (en) * | 2019-04-17 | 2019-07-12 | 苏州东菱振动试验仪器有限公司 | A kind of vibrate adds centrifugal compound fatigue rig |
| CN111152937A (en) * | 2020-01-20 | 2020-05-15 | 中国工程物理研究院总体工程研究所 | Centering device and centering method for vibrating table moving coil in centrifugal field |
| CN111829742A (en) * | 2019-03-29 | 2020-10-27 | Oppo（重庆）智能科技有限公司 | Electronic equipment vibration testing method and device, electronic equipment and storage medium |
| WO2021093026A1 (en) * | 2019-11-12 | 2021-05-20 | 苏州苏试试验集团股份有限公司 | Vibration centrifugal composite test apparatus and control method therefor |
| CN114382824A (en) * | 2021-12-22 | 2022-04-22 | 北京航天希尔测试技术有限公司 | High-variation overload resistant vibration table moving part position balancing system |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679917A (en) * | 2016-12-30 | 2017-05-17 | 脉创测控装备科技（苏州）有限公司 | Integrated vibration test system and energy consumption management method thereof |
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| CN109238615A (en) * | 2018-11-05 | 2019-01-18 | 苏州东菱振动试验仪器有限公司 | A kind of device, method and the electromagnetic vibration generator system of equilibrium centrifugation power |
| CN109264026A (en) * | 2018-11-14 | 2019-01-25 | 航宇救生装备有限公司 | Anti-G valve dynamic physical performance testing equipment |
| CN109264026B (en) * | 2018-11-14 | 2022-03-25 | 航宇救生装备有限公司 | Dynamic physical performance test equipment for load-resisting pressure regulator |
| CN111829742A (en) * | 2019-03-29 | 2020-10-27 | Oppo（重庆）智能科技有限公司 | Electronic equipment vibration testing method and device, electronic equipment and storage medium |
| CN110006642A (en) * | 2019-04-17 | 2019-07-12 | 苏州东菱振动试验仪器有限公司 | A kind of vibrate adds centrifugal compound fatigue rig |
| WO2021093026A1 (en) * | 2019-11-12 | 2021-05-20 | 苏州苏试试验集团股份有限公司 | Vibration centrifugal composite test apparatus and control method therefor |
| US20220291079A1 (en) * | 2019-11-12 | 2022-09-15 | Suzhou Sushi Testing Group Co., Ltd. | Vibration-centrifugation composite test apparatus and control method thereof |
| CN111152937A (en) * | 2020-01-20 | 2020-05-15 | 中国工程物理研究院总体工程研究所 | Centering device and centering method for vibrating table moving coil in centrifugal field |
| CN111152937B (en) * | 2020-01-20 | 2024-04-19 | 中国工程物理研究院总体工程研究所 | Centering device and centering method for vibrating table moving coil in centrifugal field |
| CN114382824A (en) * | 2021-12-22 | 2022-04-22 | 北京航天希尔测试技术有限公司 | High-variation overload resistant vibration table moving part position balancing system |
| CN114382824B (en) * | 2021-12-22 | 2024-02-20 | 北京航天希尔测试技术有限公司 | Vibration table moving part position balancing system for resisting high-speed change overload |
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Application publication date: 20161026 |