CN101435480A - Inertial mass type vibration isolation device - Google Patents
Inertial mass type vibration isolation device Download PDFInfo
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- CN101435480A CN101435480A CNA2008102046131A CN200810204613A CN101435480A CN 101435480 A CN101435480 A CN 101435480A CN A2008102046131 A CNA2008102046131 A CN A2008102046131A CN 200810204613 A CN200810204613 A CN 200810204613A CN 101435480 A CN101435480 A CN 101435480A
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Abstract
The invention provides an inertial mass type vibration isolating device, which consists of a magnetic-leakage preventing shell, an upper cover, an inertial mass type electromagnetic actuator and an acceleration sensor, wherein the inertial mass type electromagnetic actuator is arranged in the magnetic-leakage preventing shell and is fixed with a base through a stainless steel bolt; the acceleration sensor is arranged on the base; a signal output end of the acceleration sensor is connected with a controller; a coil of the inertial mass type electromagnetic actuator is connected with a power amplifier through a conductor; and the power amplifier is connected with the controller. The inertial mass type electromagnetic actuator consists of an inner-ring framework, the coil, a spring piece and an outer-ring permanent magnet; the outer-ring permanent magnet is arranged outside the inner-ring framework; the coil is wound on the inner-ring framework; a clearance is reserved between the outer-ring permanent magnet and the coil; and one end of the spring piece is connected with the upper end of the inner-ring framework, and the other end of the spring piece is connected with the upper end of the outer-ring permanent magnet. The controller analyzes the vibration quantity of a body shell, and then the outer-ring permanent magnet is driven to vibrate through the electromagnetic coil, so as to counteract the vibration quantity of the body shell.
Description
Technical field:
The present invention relates to automotive field, relate in particular to the motor car engine vibration isolating device, particularly a kind of inertial mass type vibration isolation device.
Background technique:
Motor is the main vibration source of automobile.The vibration of motor itself can not be eliminated fully, installing the engine vibration isolation device between motor and bodyshell additional is the way of effective isolation vibration transfer, can reduce the vibration and the noise of vehicle body sheet metal part and chassis related components, control car internal vibration noise to greatest extent, thereby obviously improve durability, riding comfort and the automotive service life of automobile.Vibration isolating device has passive isolation and two kinds of forms of main passive isolation.Passive vibration isolation device is to insert devices such as rubber vibration isolator, hydraulic damping vibration isolator between motor and bodyshell, have simple in structure, be easy to realization, reliable operation and advantage such as additive decrementation outside energy not, but its low frequency vibration isolation poor performance, and because distributed mass and flexible influence, the internal resonance of passive vibration isolation device and bodyshell makes the vibration isolation of high frequency region be difficult to the effect that reaches desirable.Traditional main passive vibration isolation device is that rubber vibration isolator and piezoelectric constant actuator are installed in series between motor and bodyshell, each motor needs three to four such devices, rubber vibration isolator wherein can provide reliable supporting and dither is played main buffer action motor, the piezoelectric constant actuator then realizes effectively isolating to low-frequency vibration, and the resonance peak that also can suppress high frequency region simultaneously is to strengthen the high-frequency vibration isolation effect.But there are shortcomings such as cost height, installation and maintenance inconvenience, driving voltage height and shock resistance difference in traditional main passive vibration isolation device.
Summary of the invention:
The object of the present invention is to provide a kind of inertial mass type vibration isolation device, described this inertial mass type vibration isolation device will solve the technical problem that engine vibration isolation device in the prior art can not be isolated low-frequency vibration, can not be suppressed bodyshell resonance, driving voltage height, shock resistance difference.
This inertial mass type vibration isolation device of the present invention is by anti-leakage field shell, loam cake, inertial mass type electromagnetic actuator and acceleration transducer constitute, wherein, the lower end of described anti-leakage field shell is provided with a base, described loam cake is arranged on the upper end of anti-leakage field shell, described inertial mass type electromagnetic actuator is arranged in the anti-leakage field shell, the inertial mass type electromagnetic actuator is fixedlyed connected with described base by a stainless steel bolt, described acceleration transducer is arranged on the base, the signal output part of acceleration transducer is connected with a controller, the coil of inertial mass type electromagnetic actuator is connected with a power amplifier by lead, and described power amplifier is connected with described controller.
Further, described inertial mass type electromagnetic actuator is made of interior ring framework, coil, spring sheet and outer ring permanent magnet, described outer ring permanent magnet with described in ring framework is concentric is provided with, the outside of ring framework in the outer ring permanent magnet is arranged on, described coil is on interior ring framework, be provided with the gap between outer ring permanent magnet and the coil, an end of described spring sheet is connected with the upper end of interior ring framework, and the other end of spring sheet is connected with the upper end of outer ring permanent magnet.
Further, described outer ring permanent magnet is cylindrical, and described spring sheet is the porose disc thin slices of central authorities, and the interior edge of spring sheet is connected with described interior ring framework, and the outer of spring sheet is connected with the outer ring permanent magnet.
Further, described interior ring framework is made of ferromagnetic material.
Further, anti-leakage field shell is made of aluminum alloy material.
Further, described acceleration transducer is by on the base that is threaded in anti-leakage field shell
Working principle of the present invention is: will prevent that the base of leakage field shell is connected with the mounting base of bodyshell, motor directly provides reliable supporting by rubber vibration isolator.The vibration that motor produces is passed on the bodyshell through rubber vibration isolator, and the ouput force of inertial mass type electromagnetic actuator acts on anti-leakage field shell, and bodyshell is produced and the incentive action reverse effect.The dither that motor produces is mainly isolated by rubber vibration isolator, and low-frequency vibration is mainly offset by the present invention.The outer ring permanent magnet is connected with interior ring framework by spring sheet, and the inertial force of outer ring permanent magnet motion is delivered to anti-leakage field shell by interior ring framework.Acceleration transducer picks up the bodyshell vibratory output of installed position, transmit signal to controller, controller is sent out control signal according to this vibratory output signal to power amplifier, coil produces alternating magnetic field, the permanent-magnetic field of alternating magnetic field and outer ring permanent magnet interacts, the outer ring permanent magnet is produced active force, thereby change active force, vibrate by the bodyshell that the motor excitation causes with real-time counteracting to bodyshell.
The present invention compares with prior art, and its effect is actively with tangible.The present invention is provided with the mass block that can vibrate in isolation mounting, analyze the vibratory output of bodyshell by controller, and then by the vibration of electromagnetic coil driving mass block, offset the vibratory output of bodyshell, can realize the vibration isolation amount more than the 15dB in 10～100Hz frequency range, cost is low, easy to maintenance.
Description of drawings:
Fig. 1 is the structural representation of inertial mass type vibration isolation device of the present invention.
Fig. 2 is the schematic top plan view after inertial mass type vibration isolation device of the present invention removes loam cake.
Fig. 3 is the structural representation of the inertial mass type electromagnetic actuator in the inertial mass type vibration isolation device of the present invention.
Embodiment:
Embodiment 1:
As Fig. 1, Fig. 2 and shown in Figure 3, inertial mass type vibration isolation device of the present invention, by anti-leakage field shell 21, loam cake 1, inertial mass type electromagnetic actuator 3 and acceleration transducer 4 constitute, wherein, the lower end of described anti-leakage field shell 21 is provided with a base 2, described loam cake 1 is arranged on the upper end of anti-leakage field shell 21, described inertial mass type electromagnetic actuator 3 is arranged in the anti-leakage field shell 21, inertial mass type electromagnetic actuator 3 is fixedlyed connected with described base 2 by a stainless steel bolt 6, described acceleration transducer 4 is arranged on the base 2, the signal output part of acceleration transducer 4 is connected with a controller (not shown), the coil of inertial mass type electromagnetic actuator 3 is connected with a power amplifier (not shown) by lead, and described power amplifier is connected with described controller.
Further, described inertial mass type electromagnetic actuator 3 is made of interior ring framework 5, coil 9, spring sheet 7 and outer ring permanent magnet 8, described outer ring permanent magnet 8 and described interior ring framework 5 concentric settings, the outside of ring framework 5 in outer ring permanent magnet 8 is arranged on, described coil 9 is on interior ring framework 5, be provided with the gap between outer ring permanent magnet 8 and the coil 9, an end of described spring sheet 7 is connected with the upper end of interior ring framework 5, and the other end of spring sheet 7 is connected with the upper end of outer ring permanent magnet 8.
Further, described outer ring permanent magnet 8 is cylindrical, and described spring sheet 7 is the porose disc thin slices of central authorities, and the interior edge of spring sheet 7 is connected with described interior ring framework 5, and the outer of spring sheet 7 is connected with outer ring permanent magnet 8.
Further, ring framework 5 is made of ferromagnetic material in described.
Further, anti-leakage field shell 21 is made of aluminum alloy material.
Further, described acceleration transducer 4 is by on the base 2 that is threaded in anti-leakage field shell 21
The working procedure of present embodiment is: will prevent that the base 2 of leakage field shell 21 is connected with the mounting base of bodyshell, motor directly provides reliable supporting by rubber vibration isolator.The vibration that motor produces is passed on the bodyshell through rubber vibration isolator, and the ouput force of inertial mass type electromagnetic actuator 3 acts on anti-leakage field shell 21, and bodyshell is produced and the incentive action reverse effect.The dither that motor produces is mainly isolated by rubber vibration isolator, and low-frequency vibration is mainly offset by the present invention.Outer ring permanent magnet 8 is connected with interior ring framework 5 by spring sheet 7, and the inertial force of outer ring permanent magnet 8 motions is delivered to anti-leakage field shell 21 by interior ring framework 5.Acceleration transducer 4 picks up the bodyshell vibratory output of installed position, transmit signal to controller, controller is sent out control signal according to this vibratory output signal to power amplifier, coil 9 produces alternating magnetic field, the permanent-magnetic field of alternating magnetic field and outer ring permanent magnet 8 interacts, outer ring permanent magnet 8 is produced active force, thereby change active force, vibrate by the bodyshell that the motor excitation causes with real-time counteracting to bodyshell.
Claims (4)
1. inertial mass type vibration isolation device, by anti-leakage field shell, loam cake, inertial mass type electromagnetic actuator and acceleration transducer constitute, it is characterized in that: the lower end of described anti-leakage field shell is provided with a base, described loam cake is arranged on the upper end of anti-leakage field shell, described inertial mass type electromagnetic actuator is arranged in the anti-leakage field shell, the inertial mass type electromagnetic actuator is fixedlyed connected with described base by a stainless steel bolt, described acceleration transducer is arranged on the base, the signal output part of acceleration transducer is connected with a controller, the coil of inertial mass type electromagnetic actuator is connected with a power amplifier by lead, and described power amplifier is connected with described controller.
2. inertial mass type vibration isolation device as claimed in claim 1, it is characterized in that: described inertial mass type electromagnetic actuator is made of interior ring framework, coil, spring sheet and outer ring permanent magnet, described outer ring permanent magnet with described in ring framework is concentric is provided with, the outside of ring framework in the outer ring permanent magnet is arranged on, described coil is on interior ring framework, be provided with the gap between outer ring permanent magnet and the coil, one end of described spring sheet is connected with the upper end of interior ring framework, and the other end of spring sheet is connected with the upper end of outer ring permanent magnet.
3. inertial mass type vibration isolation device as claimed in claim 2, it is characterized in that: described outer ring permanent magnet is cylindrical, described spring sheet is the porose disc thin slices of central authorities, and the interior edge of spring sheet is connected with described interior ring framework, and the outer of spring sheet is connected with the outer ring permanent magnet.
4. inertial mass type vibration isolation device as claimed in claim 2 is characterized in that: ring framework is made of ferromagnetic material in described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102046131A CN101435480A (en) | 2008-12-15 | 2008-12-15 | Inertial mass type vibration isolation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102046131A CN101435480A (en) | 2008-12-15 | 2008-12-15 | Inertial mass type vibration isolation device |
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| CN101435480A true CN101435480A (en) | 2009-05-20 |
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| CNA2008102046131A Pending CN101435480A (en) | 2008-12-15 | 2008-12-15 | Inertial mass type vibration isolation device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666365B (en) * | 2009-08-13 | 2011-03-16 | 哈尔滨工程大学 | Wide frequency inertia type active vibration absorber |
| CN102575948A (en) * | 2009-10-12 | 2012-07-11 | 罗伯特·博世有限公司 | Fastening assembly for a sensor assembly and sensor assembly |
| CN102900804A (en) * | 2011-07-29 | 2013-01-30 | 日产自动车株式会社 | Vibration isolating unit for vehicle |
| CN103791013A (en) * | 2014-02-19 | 2014-05-14 | 哈尔滨工程大学 | Integrated type inertia electromagnetic actuator |
| CN105422704A (en) * | 2015-11-27 | 2016-03-23 | 江苏大学 | Shape memory alloy type steel plate spring and method for achieving variable rigidity |
| CN106763398A (en) * | 2016-11-29 | 2017-05-31 | 哈尔滨工业大学 | A kind of orthogonal vibration-isolating platform of modular active-passive integratedization based on piezoelectricity |
| CN106870627A (en) * | 2015-12-14 | 2017-06-20 | 现代自动车株式会社 | Rolling support |
| CN109667868A (en) * | 2018-12-25 | 2019-04-23 | 西安交通大学 | Resonant line spectrum inertia actuator, active control system and control method |
| CN111173875A (en) * | 2020-01-08 | 2020-05-19 | 南昌航空大学 | Inertial actuator with virtual mass |
| CN115654065A (en) * | 2022-10-18 | 2023-01-31 | 中国船舶重工集团公司第七一九研究所 | Electromagnetic type active and passive integrated vibration isolator |
-
2008
- 2008-12-15 CN CNA2008102046131A patent/CN101435480A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666365B (en) * | 2009-08-13 | 2011-03-16 | 哈尔滨工程大学 | Wide frequency inertia type active vibration absorber |
| CN102575948A (en) * | 2009-10-12 | 2012-07-11 | 罗伯特·博世有限公司 | Fastening assembly for a sensor assembly and sensor assembly |
| CN102575948B (en) * | 2009-10-12 | 2015-02-04 | 罗伯特·博世有限公司 | Fastening assembly for a sensor assembly and sensor assembly |
| US10072953B2 (en) | 2009-10-12 | 2018-09-11 | Robert Bosch Gmbh | Fastening assembly for a sensor assembly and sensor assembly |
| CN102900804A (en) * | 2011-07-29 | 2013-01-30 | 日产自动车株式会社 | Vibration isolating unit for vehicle |
| CN102900804B (en) * | 2011-07-29 | 2015-05-06 | 日产自动车株式会社 | Vibration isolating unit for vehicle |
| CN103791013A (en) * | 2014-02-19 | 2014-05-14 | 哈尔滨工程大学 | Integrated type inertia electromagnetic actuator |
| CN103791013B (en) * | 2014-02-19 | 2015-12-02 | 哈尔滨工程大学 | Integrated form inertia electromagnetic actuator |
| CN105422704A (en) * | 2015-11-27 | 2016-03-23 | 江苏大学 | Shape memory alloy type steel plate spring and method for achieving variable rigidity |
| CN105422704B (en) * | 2015-11-27 | 2017-10-20 | 江苏大学 | A kind of marmem formula leaf spring and the method for realizing stiffness variable |
| CN106870627B (en) * | 2015-12-14 | 2019-11-08 | 现代自动车株式会社 | Rolling support |
| CN106870627A (en) * | 2015-12-14 | 2017-06-20 | 现代自动车株式会社 | Rolling support |
| CN106763398A (en) * | 2016-11-29 | 2017-05-31 | 哈尔滨工业大学 | A kind of orthogonal vibration-isolating platform of modular active-passive integratedization based on piezoelectricity |
| CN109667868A (en) * | 2018-12-25 | 2019-04-23 | 西安交通大学 | Resonant line spectrum inertia actuator, active control system and control method |
| CN111173875A (en) * | 2020-01-08 | 2020-05-19 | 南昌航空大学 | Inertial actuator with virtual mass |
| CN115654065A (en) * | 2022-10-18 | 2023-01-31 | 中国船舶重工集团公司第七一九研究所 | Electromagnetic type active and passive integrated vibration isolator |
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Open date: 20090520 |