CN105240451B - The passive integrated form vibration isolator of master and vibration isolating method - Google Patents
The passive integrated form vibration isolator of master and vibration isolating method Download PDFInfo
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- CN105240451B CN105240451B CN201510691586.5A CN201510691586A CN105240451B CN 105240451 B CN105240451 B CN 105240451B CN 201510691586 A CN201510691586 A CN 201510691586A CN 105240451 B CN105240451 B CN 105240451B
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Abstract
Master is passive, and integrated form vibration isolator includes that connecting plate, connecting plate bottom and hollow cylinder are affixed, and armature is embedded with inside hollow cylinder；Hollow cylinder bottom is located in cylinder body, and sliding bearing is installed with cylinder body, and sliding bearing is set in the periphery of hollow cylinder and the two is slidably connected；The periphery of sliding bearing is arranged with magnet exciting coil or permanent magnet, and magnet exciting coil or permanent magnet are affixed with cylinder body, during energization, current segment in armature or is entirely located in the magnetic field that magnet exciting coil or permanent magnet are produced；Spring is connected between at the top of connecting plate bottom and cylinder body；Vibration detecting sensor is fixed with connecting plate, control chip is housed on cylinder body.The invention also discloses carrying out the method that active vibration isolation, spring carry out passive vibration isolation by the resistance produced by electromagnetic force, armature cutting magnetic field.The characteristics of present invention has merged active and passive vibration isolation, while and overcome the big shortcoming of passive vibration isolation bad adaptability and active vibration isolation power consumption, the Self Adaptive Control of vibration equipment can be realized.
Description
Technical field
The present invention relates to vibration isolation technique field, and in particular to by active vibration insulator and the integrated integral type of passive vibration isolation device every
Shake device.
Background technology
The vibration that control large-sized power device and plant equipment cause so as to meet standard requirement, is industrial, civilian, spy
It is not the key of mechanical system design in the vehicles, precision instrument and Ship Design field, is to reduce using vibration insulation structure
Power set, the transmission of vibration equipment and ground, road vibration or jolt causes to vibrate one of most effectual way of transmission.Every
Vibrating device has two kinds of forms of passive vibration isolation and active vibration isolation, and wherein passive vibration isolation is typically in vibration source equipment and pedestal or vibration isolation
The devices such as rubber shock absorber, steel-wire isolator are installed between pedestal, passive vibration isolation can realize a certain degree of vibration isolation, but
Passive vibration isolation does not have inherent parameters regulatory function, it is impossible to adjust to adapt to vibration source equipment in operation process by inherent parameters
The vibration isolation that the random load change of appearance or operating condition change under situation is required.Adopt electric-controlled type more active vibration insulator, that is, lead to
Cross design controller, actuator and control circuit to realize the regulation of vibrating isolation system inherent parameters, but this kind of device is needed in theory
The vibration of controlled device is completely counterbalanced by, the power of required consumption is larger, causes practicality poor.
In order to overcome the shortcoming of active and passive vibration isolator, vibration isolation field to occur in that and passively collect the master that the two mixing is arranged
Accepted way of doing sth vibration isolator.As disclosed in Chinese patent CN201354000Y " for the inertial mass type vibration isolation device of automobile engine ",
Which adopts rubber shock absorber to support by device for vibration insutation, by electromagnet inertia quality actuator using single-point mounting means be fixed on by every
Shake in target, control vibration transmission, as the integrated level of active and passive device is relatively low, has the big, adaptability that takes up room poor
Shortcoming." the air spring superlow frequency vibration isolating method based on differential electromagnetic actuator as disclosed in Chinese patent CN101067433A
And device ", which adopts, and air bag vibration isolator is in parallel with differential type electromagnetic actuator to support precision surface plate vibration isolation, and integrated level is relatively low,
Take up room big, and the lateral displacement that differential type actuator is allowed is little, when device is subject to side knock, oscillation crosswise to encourage,
Actuator is easily damaged.
The content of the invention
The applicant is improved for disadvantages mentioned above of the prior art, there is provided a kind of passive integrated form vibration isolator of master and
Vibration isolating method, vibration isolator structure are simple, the characteristics of merged active and passive vibration isolation, while and overcoming passive vibration isolation bad adaptability
And the shortcoming that active vibration isolation power consumption is big, the Self Adaptive Control of vibration equipment can be realized.
Technical scheme is as follows：
The passive integrated form vibration isolator of master of the present invention, including connecting plate, connecting plate bottom and hollow cylinder be affixed, it is hollow
The inside of cylinder is embedded with armature；Hollow cylinder bottom is located in cylinder body, and sliding bearing is installed with cylinder body, and sliding bearing is set in
The periphery of hollow cylinder, and hollow cylinder is slidably connected with sliding bearing；The periphery of sliding bearing is arranged with magnet exciting coil or forever
Magnet, magnet exciting coil or permanent magnet are affixed with cylinder body, during energization, current segment in armature or are entirely located in the magnet exciting coil
Or in the magnetic field of permanent magnet generation；Spring is connected between at the top of connecting plate bottom and cylinder body；Vibration inspection is fixed with connecting plate
Sensor is surveyed, control chip is housed on cylinder body.
Its further technical scheme is：
The top of the cylinder body is cover plate, and through hole is opened up on cover plate, and hollow cylinder is stretched into by the through hole on cover plate
Cylinder body, cylinder interior are provided with gripper shoe, and cylinder body is divided into upper and lower two cavitys by gripper shoe, and gripper shoe is provided with through hole, hollow posts
Body enters the lower chamber of cylinder body by the through hole in gripper shoe, the upper/lower terminal of sliding bearing respectively with cover plate, gripper shoe
Affixed, the upper/lower terminal of magnet exciting coil or permanent magnet is affixed with cover plate, gripper shoe respectively.
Hydraulic oil is perfused with the cylinder body.
Vibration detecting sensor is fixed with the cylinder body.
Hydraulic oil is perfused with the cylinder body, multiple intercommunicating pores in gripper shoe, are offered, the upper and lower cavity of cylinder body passes through institute
State intercommunicating pore to be connected.
Stop is fixed with the cylinder body, stop is located at the underface of hollow cylinder.
The vibration detecting sensor is acceleration transducer or velocity sensor.
The passive integrated form vibration isolating method of master of the present invention, comprises the steps of：
Will be affixed with connecting plate by device for vibration insutation, cylinder body is affixed with foundation, when being operated by device for vibration insutation, connection
Vibration detecting sensor collection on plate is calculated through processing by the vibration signal of device for vibration insutation, signal transmission to control chip
Corresponding controlled output signal is obtained, the input electricity in armature is controlled according to the output signal by external power amplifier
Stream, you can produce the electromagnetic force contrary with direction of vibration, drives hollow cylinder to move up and down relative to sliding bearing, so as to offset
By the vibration of device for vibration insutation, active self adaptation vibration isolation is realized；Armature is upper and lower in the magnetic field produced by magnet exciting coil or permanent magnet
Motion, cutting magnetic line, produce with by the contrary resistance of device for vibration insutation direction of vibration, so as to further control to be shaken by device for vibration insutation
Dynamic transmission；By device for vibration insutation by spring supporting, the vibration isolation of passive flexibility is constituted.
Its further technical scheme is：
Before vibration isolation operation, hydraulic oil is irrigated in the cylinder body, hydraulic oil radiates to the vibration isolator, while hydraulic pressure
Oil serves as damping material and provides damping for the vibration isolator.
Vibration detecting sensor is fixed with the cylinder body, the vibration of foundation is gathered by vibration detecting sensor
Signal, is calculated corresponding controlled output signal through processing, and passes through external power amplifier control according to the output signal
Input current in armature processed, you can produce the electromagnetic force contrary with direction of vibration, drives hollow cylinder relative to sliding bearing
Move up and down, so as to offset the vibration of foundation, realize active self adaptation vibration isolation；Armature is produced in magnet exciting coil or permanent magnet
Move up and down in raw magnetic field, armature cutting magnetic line produces the resistance contrary with foundation direction of vibration, so as to further
The transmission of control foundation vibration.
The technique effect of the present invention：
The present invention is born by the weight of device for vibration insutation by spring, realizes the vibration isolation of passive flexibility, on the other hand, by vibration
Detection sensor, control chip, magnetic field generation mechanisms（Magnet exciting coil or permanent magnet）, armature it is relative with the magnetic field generation mechanisms
Current segment or the structure setting being entirely located in the magnetic field that the magnet exciting coil or permanent magnet are produced in motion, armature, matches somebody with somebody
Close external power amplifier to use, i.e., can comprehensively utilize the active control of the resistance and electromagnetic force produced by armature cutting magnetic field
System realizes the Self Adaptive Control of vibration equipment, and whole vibration isolator structure is simple, the characteristics of merged active and passive vibration isolation, while and
Overcome the big shortcoming of passive vibration isolation bad adaptability and active vibration isolation power consumption.On the other hand, by the perfusion liquid in the cylinder body
Force feed, provides damping for whole vibration isolator, further buffers impact or high vibration that vibration isolator is subject to.Due to carrying armature
Hollow cylinder is can be movable relatively with magnet exciting coil or permanent magnet, and the present invention further arranges vibration detecting sensor on cylinder body,
Opposite direction can be carried out（I.e. foundation is vibrated to by the transmission of device for vibration insutation）Vibration transmission Self Adaptive Control.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Wherein：1st, connecting plate；2nd, hollow cylinder；3rd, armature；4th, cylinder body；41st, cover plate；42nd, gripper shoe；5th, magnet exciting coil or
Permanent magnet；6th, spring；7th, vibration detecting sensor；8th, control chip；9th, hydraulic oil；10th, stop；11st, sliding bearing.
Specific embodiment
Below in conjunction with the accompanying drawings, illustrate the specific embodiment of the present invention.
See Fig. 1, master of the present invention is passive, and integrated form vibration isolator includes connecting plate 1,1 bottom of connecting plate and hollow cylinder 2
Affixed, the inside of hollow cylinder 2 is embedded with armature 3；2 bottom of hollow cylinder is located in cylinder body 4, is installed with sliding bearing in cylinder body 4
11, sliding bearing 11 is set in the periphery of hollow cylinder 2, and hollow cylinder 2 is slidably connected with sliding bearing 11；Sliding bearing 11
Periphery be arranged with magnet exciting coil or permanent magnet 5, magnet exciting coil or permanent magnet 5 are affixed with cylinder body 4, electricity during energization, in armature 3
Stream part is entirely located in the magnetic field that the magnet exciting coil or permanent magnet 5 are produced；Between at the top of 1 bottom of connecting plate and cylinder body 4
It is connected with spring 6；Vibration detecting sensor 7 is fixed with connecting plate 1, specifically, vibration detecting sensor 7 is acceleration sensing
Device or velocity sensor；The internal or external of cylinder body 4 is fixed with control chip 8, and control chip 8 includes Signal-regulated kinase, A/D
Modular converter, data processing module and D/A modular converters, are prior art.
Specifically, the top of the cylinder body 4 is cover plate 41, and through hole is opened up on cover plate 41, and hollow cylinder 2 is by cover plate 41
The through hole stretch into cylinder body 4, gripper shoe 42 is provided with inside cylinder body 4, cylinder body 4 is divided into upper and lower two cavitys by gripper shoe 42,
Fagging 42 is provided with through hole, and hollow cylinder 2 enters the lower chamber of cylinder body 4, sliding bearing by the through hole in gripper shoe 42
11 upper/lower terminal is affixed with cover plate 41, gripper shoe 42 respectively, the upper/lower terminal of magnet exciting coil or permanent magnet 5 respectively with cover plate
41st, gripper shoe 42 is affixed.
Further, to prevent vibration isolator of the present invention overheated under high frequency response, in cylinder body 4, hydraulic oil 9 is perfused with,
When cylinder body 4 is divided into upper and lower two cavitys by gripper shoe 42, offer multiple intercommunicating pores in gripper shoe 42, cylinder body 4 it is upper,
Lower two cavitys are connected by the intercommunicating pore.
Further, vibrate to by the transmission of device for vibration insutation to control foundation, be fixed with the cylinder body 4 and shake
Dynamic detection sensor 7, for gathering the vibration signal of foundation.
In order in greater impact protection equipment and vibration isolator of the present invention, be fixed with stop 10 in the cylinder body 4,
Stop 10 is located at the underface of hollow cylinder 2.
The passive integrated form vibration isolating method of master of the present invention, comprises the steps of：
1st, control by transmission from the vibration of device for vibration insutation to foundation：Will be affixed with connecting plate 1 by device for vibration insutation, by cylinder
Body 4 is affixed with foundation, and when being worked by device for vibration insutation, the vibration detecting sensor 7 on connecting plate 1 is gathered by device for vibration insutation
Vibration signal, signal transmission to control chip 8, through process be calculated corresponding controlled output signal, according to output letter
The input current in armature 3 number is controlled by external power amplifier, under the magnetic fields produced by armature 3 itself, you can
The electromagnetic force contrary with direction of vibration is produced, now the magnetic direction produced by armature 3 is electric by being connected excitation with magnet exciting coil
Magnetic direction that source or permanent magnet are formed conversely, drive hollow cylinder 2 to move up and down relative to sliding bearing 11, so as to offset
By the vibration of device for vibration insutation, active self adaptation vibration isolation is realized；Armature 3 in the magnetic field produced by magnet exciting coil or permanent magnet 5 on
Lower motion, cutting magnetic line, produce with by the contrary resistance of device for vibration insutation direction of vibration, so as to further control by device for vibration insutation
Vibrate the transmission to foundation.Increase vibration isolating effect；Supported by spring 6 by device for vibration insutation, constitute the vibration isolation of passive flexibility.
Before vibration isolation operation, due to being perfused with hydraulic oil 9 in cylinder body 4, hydraulic oil 9 is dissipated to vibration isolator of the present invention
Heat, prevents vibration isolator of the present invention overheated in the case where high frequency is corresponding, while the viscosity of hydraulic oil 9 can serve as damping material for this
Invent the vibration isolator and damping is provided, impact or high vibration that the vibration isolator is subject to can be alleviated.
2nd, the vibration of foundation is controlled to by the transmission of device for vibration insutation：Vibration detecting sensor is fixed with cylinder body 4
7, now, the vibration detecting sensor on connecting plate 1 does not gather corresponding vibration signal, by vibration detecting sensor 7 locality
The vibration signal on base basis, is calculated corresponding controlled output signal through processing, and passes through external power according to output signal
Input current in amplifier control armature 3, under the magnetic fields produced by armature 3 itself, you can produce and direction of vibration
Contrary electromagnetic force, now the magnetic direction produced by armature 3 and magnet exciting coil are by being connected field power supply or permanent magnet institute shape
Into magnetic direction conversely, drive hollow cylinder 2 move up and down relative to sliding bearing 11, so as to offset shaking for foundation
It is dynamic, realize active self adaptation vibration isolation；Armature 3 moves up and down in the magnetic field produced by magnet exciting coil or permanent magnet 5, and armature 3 is cut
The magnetic line of force is cut, the resistance contrary with foundation direction of vibration is produced, so as to further control the transmission of foundation vibration.
One aspect of the present invention is born by the weight of device for vibration insutation by spring, realizes the vibration isolation of passive flexibility, on the other hand, comprehensive
Conjunction realizes equipment using the active control of the resistance produced by armature cutting magnetic field, the damping action of hydraulic oil and electromagnetic force
The Self Adaptive Control of vibration.
Above description is explanation of the invention, is not the restriction to inventing, and limited range of the present invention is referring to right
Require, within protection scope of the present invention, any type of modification can be made.
Claims (10)
1. passive integrated form vibration isolator is led, it is characterised in that：Including connecting plate（1）, connecting plate（1）Bottom and hollow cylinder（2）
It is affixed, hollow cylinder（2）Inside be embedded with armature（3）；Hollow cylinder（2）Bottom is located at cylinder body（4）It is interior, cylinder body（4）It is interior fixed
There is sliding bearing（11）, sliding bearing（11）It is set in hollow cylinder（2）Periphery, and hollow cylinder（2）With sliding bearing
（11）It is slidably connected；Sliding bearing（11）Periphery be arranged with magnet exciting coil or permanent magnet（5）, magnet exciting coil or permanent magnet（5）
With cylinder body（4）It is affixed, during energization, armature（3）In current segment or be entirely located in the magnet exciting coil or permanent magnet（5）Produce
Magnetic field in；Connecting plate（1）Bottom and cylinder body（4）Spring is connected between top（6）；Connecting plate（1）On be fixed with vibration inspection
Survey sensor（7）, cylinder body（4）It is upper that control chip is housed（8）, control chip（8）Receive vibration detecting sensor（7）Signal simultaneously
Control armature（3）Input current.
2. the passive integrated form vibration isolator of master as described in claim 1, it is characterised in that：The cylinder body（4）Top be cover plate
（41）, cover plate（41）On open up through hole, hollow cylinder（2）By cover plate（41）On the through hole stretch into cylinder body（4）, cylinder body
（4）Inside is provided with gripper shoe（42）, gripper shoe（42）By cylinder body（4）It is divided into upper and lower two cavitys, gripper shoe（42）It is provided with logical
Hole, hollow cylinder（2）By gripper shoe（42）On the through hole enter cylinder body（4）Lower chamber, sliding bearing（11）It is upper,
Lower two ends respectively with cover plate（41）, gripper shoe（42）It is affixed, magnet exciting coil or permanent magnet（5）Upper/lower terminal respectively with cover plate
（41）, gripper shoe（42）It is affixed.
3. the passive integrated form vibration isolator of master as described in claim 1, it is characterised in that：The cylinder body（4）Hydraulic pressure is perfused with inside
Oil（9）.
4. the passive integrated form vibration isolator of master as described in claim 1, it is characterised in that：The cylinder body（4）On be fixed with vibration
Detection sensor（7）.
5. the passive integrated form vibration isolator of master as described in claim 2, it is characterised in that：The cylinder body（4）Hydraulic pressure is perfused with inside
Oil（9）, gripper shoe（42）On offer multiple intercommunicating pores, cylinder body（4）Upper and lower cavity be connected by the intercommunicating pore.
6. the passive integrated form vibration isolator of master as described in claim 1, it is characterised in that：The cylinder body（4）Limited location is fixedly mounted with inside
Device（10）, stop（10）Positioned at hollow cylinder（2）Underface.
7. using the passive integrated form vibration isolator of master described in claim 1, it is characterised in that：The vibration detecting sensor（7）
For acceleration transducer or velocity sensor.
8. the method for carrying out vibration isolation using the passive integrated form vibration isolator of master described in claim 1 to 7 any claim, which is special
Levy and be, comprise the steps of：
Will be by device for vibration insutation and connecting plate（1）It is affixed, by cylinder body（4）It is affixed with foundation, when being operated by device for vibration insutation, even
Fishplate bar（1）On vibration detecting sensor（7）By the vibration signal of device for vibration insutation, signal transmission is to control chip for collection（8）, Jing
Cross process and be calculated corresponding controlled output signal, armature is controlled by external power amplifier according to the output signal
（3）In input current, you can produce the electromagnetic force contrary with direction of vibration, drive hollow cylinder（2）Relative to sliding bearing
（11）Move up and down, so as to offset by the vibration of device for vibration insutation, realize active self adaptation vibration isolation；Armature（3）In magnet exciting coil or
Permanent magnet（5）Move up and down in produced magnetic field, cutting magnetic line, produce with by the contrary resistance of device for vibration insutation direction of vibration
Power, so as to the transmission for further controlling to be vibrated by device for vibration insutation；By device for vibration insutation by spring（6）Support, constitute it is passive flexible every
Shake.
9. the passive integrated form vibration isolating method of master as described in claim 8, it is characterised in that：Before vibration isolation operation, in the cylinder body
（4）Interior perfusion hydraulic oil（9）, hydraulic oil（9）The vibration isolator is radiated, while hydraulic oil（9）Serving as damping material is
The vibration isolator provides damping.
10. the passive integrated form vibration isolating method of master as described in claim 8 or 9, it is characterised in that：In the cylinder body（4）It is upper solid
Equipped with vibration detecting sensor（7）, by vibration detecting sensor（7）The vibration signal of collection foundation, through processing meter
Calculation obtains corresponding controlled output signal, controls armature by external power amplifier according to the output signal（3）In it is defeated
Enter electric current, you can produce the electromagnetic force contrary with direction of vibration, drive hollow cylinder（2）Relative to sliding bearing（11）Transport up and down
It is dynamic, so as to offset the vibration of foundation, realize active self adaptation vibration isolation；Armature（3）In magnet exciting coil or permanent magnet（5）Produced
Move up and down in raw magnetic field, armature（3）Cutting magnetic line, produces the resistance contrary with foundation direction of vibration, so as to enter
The transmission of one step control foundation vibration.
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| CN201510691586.5A CN105240451B (en) | 2015-10-23 | 2015-10-23 | The passive integrated form vibration isolator of master and vibration isolating method |
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| CN201510691586.5A CN105240451B (en) | 2015-10-23 | 2015-10-23 | The passive integrated form vibration isolator of master and vibration isolating method |
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| CN105240451A CN105240451A (en) | 2016-01-13 |
| CN105240451B true CN105240451B (en) | 2017-04-05 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106439301B (en) * | 2016-10-08 | 2018-07-20 | 中国船舶重工集团公司第七一九研究所 | The passive absorbing ring of pipe-line system three-dimensional master |
| CN106768540A (en) * | 2016-12-23 | 2017-05-31 | 苏州东菱智能减振降噪技术有限公司 | A kind of damping efficiency test platform |
| JP6576414B2 (en) * | 2017-12-04 | 2019-09-18 | 本田技研工業株式会社 | Subframe mount |
| CN110790110B (en) * | 2019-11-22 | 2021-05-07 | 山东富士制御电梯有限公司 | Elevator active guide shoe capable of measuring unevenness of guide rail in real time |
| CN111059208B (en) * | 2019-11-29 | 2022-03-25 | 中国科学院微电子研究所 | Vibration isolation device |
| CN111692273B (en) * | 2020-06-29 | 2022-02-01 | 北京金风科创风电设备有限公司 | Hybrid damping module, vibration suppression device, vibration suppression method and wind generating set |
| CN112503133B (en) * | 2020-11-11 | 2023-08-22 | 江苏大学 | Multifunctional hybrid electromagnetic vibration reduction system |
| CN112503134B (en) * | 2020-11-11 | 2023-08-22 | 江苏大学 | Hybrid electromagnetic energy feedback vibration reduction system integrating damper and vibration absorber |
| CN113847383B (en) * | 2021-09-22 | 2024-03-15 | 中国船舶集团有限公司第七一一研究所 | Vibration isolation method |
| CN115897837A (en) * | 2022-12-29 | 2023-04-04 | 上海航天控制技术研究所 | Active and passive integrated broadband vibration isolation device of hydraulic-electric hybrid |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH10274281A (en) * | 1997-03-28 | 1998-10-13 | Mitsubishi Heavy Ind Ltd | Vibration damping device |
| JP2005036943A (en) * | 2003-07-18 | 2005-02-10 | Toyota Motor Corp | Vehicle suspension device |
| CN101525001B (en) * | 2009-04-08 | 2010-11-17 | 朱方荣 | Self-adapting maglev shock absorber |
| CN201875043U (en) * | 2010-12-07 | 2011-06-22 | 四川中物科技集团有限公司 | Slide-valve-type magnetorheological shock absorber |
| CN103742589B (en) * | 2013-01-09 | 2016-04-27 | 摩尔动力(北京)技术股份有限公司 | Electricity damping shock absorber |
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