CN105317913A - Electromagnetic type active and passive vibration isolator - Google Patents
Electromagnetic type active and passive vibration isolator Download PDFInfo
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- CN105317913A CN105317913A CN201510893705.5A CN201510893705A CN105317913A CN 105317913 A CN105317913 A CN 105317913A CN 201510893705 A CN201510893705 A CN 201510893705A CN 105317913 A CN105317913 A CN 105317913A
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Abstract
The invention relates to an electromagnetic type active and passive vibration isolator. A passive vibration isolation part is installed on an active and passive vibration isolator bottom plate, a first rubber seal ring is arranged between the passive vibration isolation part and the active and passive vibration isolator bottom plate so as to form a passive rubber vibration isolation part, the passive rubber vibration isolation part isolates full-band vibration, the vibration amplitude of the low-frequency line spectrum is lowered, and therefore the energy consumed when an electromagnetic type actuator outputs control force is lowered; the electromagnetic type actuator is installed in the passive vibration isolation part, the bottom of the electromagnetic type actuator is connected with the active and passive vibration isolator bottom plate, a second rubber seal ring is arranged between the bottom of the electromagnetic type actuator and the active and passive vibration isolator bottom plate, and therefore the active and passive vibration isolator can normally work through passive vibration isolation when the electromagnetic type actuator breaks down. According to the adopted structure and combination mode, the advantages of the passive vibration isolation part and the electromagnetic type actuator are given full play, the stability and the reliability are high, and the application of the active vibration isolation technology to the vibration isolation field of naval vessel power equipment is promoted.
Description
Technical field
The present invention relates to a kind of passive vibration isolation device of ship machinery, especially a kind of electromagnetic type vibration isolation device.
Background technique
The vibration of isolation dynamic power machine low frequency spectrum lines is the important directions of naval vessel vibration isolation technique development.Current ship machinery extensively adopts passive vibration isolation device that full frequency band can be made to vibrate the decline of total magnitude, but is difficult to eliminate low-frequency vibration line spectrum.
Active control technology is applied to isolation mounting, just constitutes active vibration isolation.Active vibration isolation is in controlled system, introduce secondary vibration source (also referred to as dynamic device), adjusts vibration that secondary vibration source makes it produce and the vibratory response that vibration source produces is cancelled out each other, to reach the object that separating vibration transmits by certain controlling method.Active vibration isolation can be divided into complete active vibration isolation and main passive hybrid vibration isolation by form.
Complete active vibration isolation accepts to cancel passive vibration isolation device between structure at vibration source and vibration, directly realized the object of vibration damping by actuator.Because complete active vibration isolation structure is more complicated, need consume a large amount of energy, thus limit its application.
Main passive hybrid vibration isolation is that actuator is in parallel with passive vibration isolation device or connects, and by suitably controlling the motion of actuator, reaches the object of vibration damping.By the structural type that actuator is connected with passive vibration isolation device, play passive vibration isolation and actuator advantage separately, namely utilize passive vibration isolation to realize vibration isolation to dither, and utilize actuator to realize abatement to low-frequency vibration, the energy ezpenditure of actuator can be reduced like this.When the passive hybrid vibration isolation device of the master adopting actuator in parallel with passive vibration isolation, if actuator lost efficacy, main passive hybrid vibration isolation device still can utilize passive vibration isolation normally to work.What the magnetic suspension of being developed by vibration and noise research institute of naval engineering university at present-passive hybrid isolator of air bag master adopted is exactly the actuator structural type in parallel with passive vibration isolation.But, also there is no a kind of vibration isolation device having the advantage of above-mentioned series connection and parallel-connection structure form concurrently at present.
Summary of the invention
The present invention will provide a kind of electromagnetic type vibration isolation device, and this vibration isolator adopts actuator and passive vibration isolation to innovate the structural type merged, and has the advantage of above-mentioned series connection and parallel-connection structure form concurrently; First, by passive rubber vibration isolation parts to the vibration isolation of full frequency band vibration realizing, preliminary reduction low frequency spectrum lines vibration amplitude, and then energy ezpenditure during reduction electromagnetic actuator output control force; Secondly, owing to electromagnetic actuator to be installed on passive rubber vibration isolation components interior, bear whole external load by passive rubber vibration isolation parts, if electromagnetic actuator lost efficacy, vibration isolation device still can utilize passive vibration isolation normally to work.
For achieving the above object, technological scheme of the present invention is: a kind of electromagnetic type vibration isolation device, comprise passive vibration isolation parts, electromagnetic actuator, vibration isolation device base plate, described passive vibration isolation parts are arranged on vibration isolation device base plate, be provided with the first rubber seal between described passive vibration isolation parts and vibration isolation device base plate and form passive rubber vibration isolation parts, by passive rubber vibration isolation parts to the vibration isolation of full frequency band vibration realizing, reduce low frequency spectrum lines vibration amplitude, and then energy ezpenditure during reduction electromagnetic actuator output control force; Described electromagnetic actuator is arranged on passive vibration isolation components interior, the bottom of electromagnetic actuator is connected with vibration isolation device base plate, and be provided with the second rubber seal between the bottom of electromagnetic actuator and vibration isolation device base plate, when occurring to lose efficacy for electromagnetic actuator, vibration isolation device can utilize passive vibration isolation normally to work.
Described electromagnetic actuator is locked on vibration isolation device base plate by construction bolt, and passive vibration isolation parts cover on electromagnetic actuator, and is fixed on base plate by screw lock, installs end sealing cover plate above electromagnetic actuator; Vibration isolation device substrate alignment error feedback acceleration transducer; Error Feedback acceleration transducer connects acceleration signal out splice going splice by shielded signal line; Electromagnetic actuator connects electromagnetic actuator driving power input connector by electromagnetic actuator driving power supply line; Above described passive vibration isolation parts, sealed cover is housed, realizes vibration isolation device inside hermetically sealed.
During use, described in one group, electromagnetic type vibration isolation device is arranged on by between the power equipment of vibration isolation and basis, and is connected with elasticity between basis by described electromagnetic type vibration isolation device, runs the vibration that the produces transmission to basis for reducing power equipment; Described Error Feedback acceleration transducer is by shielded signal line, acceleration signal out splice going splice and signaling line connection control device, and electromagnetic actuator is by electromagnetic actuator driving power supply line, electromagnetic actuator driving power input connector and power line connection control device; Error Feedback acceleration transducer picks up this vibration wave and is translated into voltage signal, and input control device, controller offsets the control force of the vibration wave that power equipment transmits by calculating, with the form of driving voltage input electromagnetic actuator, make it to export corresponding control force.
Beneficial effect of the present invention:
Day of the present invention electromagnetic type vibration isolation device, by adopting said structure design and compound mode, give full play to the respective advantage of passive vibration isolation parts and electromagnetic actuator, there is good stability, reliability, the application of active Vibration Isolation in naval vessels power equipment vibration isolation field is played a role in promoting.
The present invention adopts actuator and passive vibration isolation to innovate the structural type merged, and has the advantage of above-mentioned series connection and parallel-connection structure form concurrently; First, by passive rubber vibration isolation parts to the vibration isolation of full frequency band vibration realizing, preliminary reduction low frequency spectrum lines vibration amplitude, and then energy ezpenditure during reduction electromagnetic actuator output control force; Secondly, owing to electromagnetic actuator to be installed on passive rubber vibration isolation components interior, bear whole external load by passive rubber vibration isolation parts, if electromagnetic actuator lost efficacy, vibration isolation device still can utilize passive vibration isolation normally to work.
Except above-mentioned two large advantages, the present invention also possesses following feature:
(1) electromagnetic actuator is installed on passive vibration isolation components interior, the actuator relatively accurate to structure provides omnibearing protection, can meet the ship conditions such as anti-spilling, salt spray resistance.The combining form of this actuator and passive vibration isolation parts makes full use of the inner space of passive vibration isolation parts simultaneously, compared to traditional passive vibration isolation device, under the prerequisite not increasing bulk, achieve main passive associating vibration isolation, fully adapt to the actual conditions that on real ship, each power equipment cabin space is narrow and small.
(2) compared to the passive hybrid isolator design proposal of master (such as, the magnetic suspension-passive hybrid isolator of air bag master of naval engineering university) of existing maturation, present design has more outstanding shock resistance.
Accompanying drawing explanation
Fig. 1 is the structure sectional view of electromagnetic type vibration isolation device of the present invention;
Fig. 2 is the left view of electromagnetic type vibration isolation device;
Fig. 3 is the right elevation of electromagnetic type vibration isolation device;
Fig. 4 is the plan view of electromagnetic type vibration isolation device;
Fig. 5 is electromagnetic type vibration isolation device worm's eye view;
Fig. 6 is that electromagnetic type vibration isolation device uses schematic diagram.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
As shown in Figures 1 to 5, a kind of electromagnetic type vibration isolation device, is made up of passive vibration isolation parts end sealing cover plate 1, passive vibration isolation parts 2, electromagnetic actuator end sealing cover plate 3, electromagnetic actuator 4, electromagnetic actuator driving power supply line 5, electromagnetic actuator driving power input connector 6, first rubber seal 7, vibration isolation device base plate 8, second rubber seal 9, electromagnetic actuator construction bolt 10, Error Feedback acceleration transducer 11, shielded signal line 12, Error Feedback acceleration transducer acceleration signal out splice going splice 13.
Passive vibration isolation parts 2 are arranged on vibration isolation device base plate 8, be provided with the first rubber seal 7 between passive vibration isolation parts 2 and vibration isolation device base plate 8 and form passive rubber vibration isolation parts, by passive rubber vibration isolation parts to the vibration isolation of full frequency band vibration realizing, reduce low frequency spectrum lines vibration amplitude, and then energy ezpenditure during reduction electromagnetic actuator output control force; It is inner that electromagnetic actuator 4 is arranged on passive vibration isolation parts 2, the bottom of electromagnetic actuator 4 is connected with vibration isolation device base plate 8, and be provided with the second rubber seal 9 between the bottom of electromagnetic actuator 4 and vibration isolation device base plate 8, when occurring to lose efficacy for electromagnetic actuator 4, vibration isolation device can utilize passive vibration isolation normally to work.Electromagnetic actuator is installed on passive vibration isolation components interior, the vibrational energy allowing passive rubber vibration isolation parts consume major part to pass over, makes electromagnetic actuator export control force with lower power consumption and realize vibration control.
Electromagnetic actuator 4 is locked on vibration isolation device base plate 8 by construction bolt 10, and passive vibration isolation parts 2 cover on electromagnetic actuator 4, and is fixed on base plate 8 by screw lock, and electromagnetic actuator 4 installs end sealing cover plate 3 above; Vibration isolation device base plate 8 is alignment error feedback acceleration transducer 11 above; Error Feedback acceleration transducer 11 connects acceleration signal out splice going splice 13 by shielded signal line 12; Electromagnetic actuator 4 connects electromagnetic actuator driving power input connector by electromagnetic actuator driving power supply line 5; Described passive vibration isolation parts 2 are equipped with sealed cover 1 above, realize vibration isolation device inside hermetically sealed.
The concrete implementation step of method involved in the present invention is as described below:
(1) as shown in Figure 1, first electromagnetic actuator 4 is lock onto on base plate 8 by construction bolt 10, place the second rubber seal 9 in actuator 4 and base plate 8 connection place, afterwards end sealing cover plate 3 is installed on actuator 4; Alignment error feedback acceleration transducer 11 on base plate 8; Passive vibration isolation parts 2 are covered on actuator 4, screw lock is passed through with base plate 8, the second rubber seal 7 is placed in passive vibration isolation parts 2 and base plate 8 connection place, afterwards actuator driving power supply line 5 is connected with input connector 6, Error Feedback acceleration transducer 11 is connected with acceleration signal out splice going splice 13 by shielded signal line 12; Finally sealed cover 1 is installed on passive vibration isolation parts 2, thus realizes the inner hermetically sealed design of vibration isolation device.
(2) Fig. 6 is that electromagnetic type vibration isolation device uses schematic diagram, be installed on basis 16 by one group of electromagnetic type vibration isolation device 14 elasticity by the power equipment 15 of vibration isolation, the final goal of electromagnetic type vibration isolation device 14 is: reduce power equipment 15 and runs the vibration that the produces transmission to basic 16.Error Feedback acceleration transducer 11 is by shielded signal line 12, acceleration signal out splice going splice 13 and signaling line 18 connection control device 19, and electromagnetic actuator 4 is by electromagnetic actuator driving power supply line 5, electromagnetic actuator driving power input connector 6 and power line 17 connection control device 19; Error Feedback acceleration transducer 11 picks up this vibration wave and is translated into voltage signal, and input control device 19, controller 19 offsets the control force of the vibration wave that power equipment 15 transmits by calculating, with the form of driving voltage input electromagnetic actuator 4, make it to export corresponding control force.
Vibration is produced when power equipment 15 runs, this vibration wave is passed to vibration isolation device 14, first isolation decay is carried out by the passive vibration isolation parts 2 of vibration isolation device 14, vibration wave after decay is passed to vibration isolation device base plate 8, Error Feedback acceleration transducer 11 picks up this vibration wave and is translated into voltage signal, controller 19 is exported to by shielded signal line 12 and signaling line 18, in controller 19 control algorithm program according to error feedback signal calculate control force that electromagnetic actuator needs to export how form and size with farthest balance out power equipment 15 transmission vibration wave so far, this result of calculation exports to electromagnetic actuator 4 with the form of driving voltage by electromagnetic actuator driving power supply line 5 and power line 17, make it to export corresponding control force, final reduction is further passed to the vibration wave on basis 16, reach the effect of main passive associating vibration isolation.
Claims (3)
1. an electromagnetic type vibration isolation device, comprise passive vibration isolation parts (2), electromagnetic actuator (4), vibration isolation device base plate (8), it is characterized in that: described passive vibration isolation parts (2) are arranged on vibration isolation device base plate (8), be provided with the first rubber seal (7) between described passive vibration isolation parts (2) and vibration isolation device base plate (8) and form passive rubber vibration isolation parts, by passive rubber vibration isolation parts to the vibration isolation of full frequency band vibration realizing, reduce low frequency spectrum lines vibration amplitude, and then energy ezpenditure during reduction electromagnetic actuator output control force, it is inner that described electromagnetic actuator (4) is arranged on passive vibration isolation parts (2), the bottom of electromagnetic actuator (4) is connected with vibration isolation device base plate (8), and be provided with the second rubber seal (9) between the bottom of electromagnetic actuator (4) and vibration isolation device base plate (8), when occurring to lose efficacy for electromagnetic actuator (4), vibration isolation device can utilize passive vibration isolation normally to work.
2. electromagnetic type vibration isolation device according to claim 1, it is characterized in that: described electromagnetic actuator (4) is locked on vibration isolation device base plate (8) by construction bolt (10), passive vibration isolation parts (2) cover on electromagnetic actuator (4), and being fixed on base plate (8) by screw lock, electromagnetic actuator (4) installs end sealing cover plate (3) above; Vibration isolation device base plate (8) is alignment error feedback acceleration transducer (11) above; Error Feedback acceleration transducer (11) connects acceleration signal out splice going splice (13) by shielded signal line (12); Electromagnetic actuator (4) connects electromagnetic actuator driving power input connector (6) by electromagnetic actuator driving power supply line (5); Described passive vibration isolation parts (2) are equipped with sealed cover (1) above, realize vibration isolation device inside hermetically sealed.
3. electromagnetic type vibration isolation device according to claim 1 and 2, it is characterized in that: during use, electromagnetic type vibration isolation device described in one group is arranged on by between the power equipment of vibration isolation (15) and basis (16), and is connected by elasticity between described electromagnetic type vibration isolation device (14) with basis (16), run the vibration that the produces transmission to basic (16) for reducing power equipment (15); Described Error Feedback acceleration transducer (11) is by shielded signal line (12), acceleration signal out splice going splice (13) and signaling line (18) connection control device (19), and electromagnetic actuator (4) is by electromagnetic actuator driving power supply line (5), electromagnetic actuator driving power input connector (6) and power line (17) connection control device (19); Error Feedback acceleration transducer (11) picks up this vibration wave and is translated into voltage signal, and input control device (19), controller (19) will calculate the control force offsetting the vibration wave that power equipment (15) transmits, with the form of driving voltage input electromagnetic actuator (4), make it to export corresponding control force.
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| CN201510893705.5A CN105317913A (en) | 2015-12-07 | 2015-12-07 | Electromagnetic type active and passive vibration isolator |
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| CN201510893705.5A CN105317913A (en) | 2015-12-07 | 2015-12-07 | Electromagnetic type active and passive vibration isolator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107339366A (en) * | 2016-04-28 | 2017-11-10 | 住友理工株式会社 | Electromagnetic actuator and active vibration absorber |
| CN109496255A (en) * | 2017-07-02 | 2019-03-19 | Sk商业建筑公司 | Improved semiconductor processing equipment tool base/liner vibration isolation and vibration damping method |
| CN109538738A (en) * | 2019-01-04 | 2019-03-29 | 中国船舶重工集团公司第七0三研究所 | It is a kind of to subtract vibration insulation structure for the compound of gear-box |
| CN109681572A (en) * | 2018-11-30 | 2019-04-26 | 上海交通大学 | A kind of vibration isolation device and power-equipment |
| CN112943849A (en) * | 2021-02-03 | 2021-06-11 | 中国人民解放军国防科技大学 | Composite vibration isolation device and vibration test platform |
| CN114235316A (en) * | 2021-11-29 | 2022-03-25 | 中国空间技术研究院 | Introduced error analysis and correction method based on additional connection link of vibration isolation device |
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| CN104482091A (en) * | 2014-11-07 | 2015-04-01 | 合肥工业大学 | Vibration isolator with active vibration absorbing ability |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339366A (en) * | 2016-04-28 | 2017-11-10 | 住友理工株式会社 | Electromagnetic actuator and active vibration absorber |
| CN107339366B (en) * | 2016-04-28 | 2019-09-10 | 住友理工株式会社 | Electromagnetic actuator and active vibration absorber |
| CN109496255A (en) * | 2017-07-02 | 2019-03-19 | Sk商业建筑公司 | Improved semiconductor processing equipment tool base/liner vibration isolation and vibration damping method |
| CN109681572A (en) * | 2018-11-30 | 2019-04-26 | 上海交通大学 | A kind of vibration isolation device and power-equipment |
| CN109681572B (en) * | 2018-11-30 | 2020-06-30 | 上海交通大学 | Active and passive vibration isolator and power equipment |
| CN109538738A (en) * | 2019-01-04 | 2019-03-29 | 中国船舶重工集团公司第七0三研究所 | It is a kind of to subtract vibration insulation structure for the compound of gear-box |
| CN112943849A (en) * | 2021-02-03 | 2021-06-11 | 中国人民解放军国防科技大学 | Composite vibration isolation device and vibration test platform |
| CN114235316A (en) * | 2021-11-29 | 2022-03-25 | 中国空间技术研究院 | Introduced error analysis and correction method based on additional connection link of vibration isolation device |
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