CN110849613B - Dynamic characteristic testing device and system for voice coil actuator - Google Patents
Dynamic characteristic testing device and system for voice coil actuator Download PDFInfo
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- CN110849613B CN110849613B CN201911330038.4A CN201911330038A CN110849613B CN 110849613 B CN110849613 B CN 110849613B CN 201911330038 A CN201911330038 A CN 201911330038A CN 110849613 B CN110849613 B CN 110849613B
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- 238000012360 testing method Methods 0.000 title claims abstract description 31
- 230000001133 acceleration Effects 0.000 claims abstract description 21
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 238000004073 vulcanization Methods 0.000 claims description 3
- 239000012528 membrane Substances 0.000 description 12
- 239000000725 suspension Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- G01M13/00—Testing of machine parts
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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
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention discloses a device and a system for testing the dynamic characteristics of a voice coil actuator, wherein the device comprises: the shell comprises an upper shell, an outer shell and a lower shell which are fixedly connected from top to bottom in sequence, wherein the upper shell and the outer shell are both of hollow structures; the pulling pressure sensor is fixed on the inner side of the lower shell through a screw; the sensor support is fixed on the tension and pressure sensor through threads and is fixedly connected with the lower end face of the permanent magnet of the voice coil actuator through a screw; the elastic diaphragm is fixedly clamped between the upper shell and the outer shell; the acceleration sensor is fixed in the middle of the upper end face of the elastic diaphragm; the insert is fixedly embedded in the middle of the lower end face of the elastic diaphragm; and the guide pillar is fixedly connected with a coil framework of the voice coil actuator, the upper end of the guide pillar is fixedly connected with the middle part of the insert, and the lower end of the guide pillar is in axial sliding fit with a central hole of the permanent magnet. The invention has the advantages of simple structure, high reliability, accurate test result and convenience in testing the dynamic quality of the voice coil actuator.
Description
Technical Field
The invention relates to a dynamic characteristic testing device, in particular to a dynamic characteristic testing device and system for a voice coil actuator.
Background
While the automobile is developing towards the direction of intellectualization and electric control, the automobile power assembly suspension is also undergoing technological innovation. At present, more and more automobile manufacturers introduce three-cylinder engines, and the three-cylinder engines have larger vibration due to the running irregularity, so that higher and higher requirements are provided for the power assembly suspension, and the active suspension developed on the basis of the hydraulic suspension becomes more and more research objects of the automobile manufacturers. The voice coil actuator is used as an actuator in the active suspension control link, and the dynamic performance of the voice coil actuator directly influences the vibration isolation performance of the active suspension. The dynamic behavior of a voice coil actuator is represented by the response of its output force to an input alternating current. In order to enable the voice coil actuator to have better response characteristics, the smaller the mass of the rotor is, the better the rotor is, and the rotor can be connected with the elastic diaphragm, so that the equivalent dynamic mass of the voice coil actuator is generally not equal to the mass of the rotor, and the mass of the rotor needs to be accurately known in the mathematical modeling process of the actuator, therefore, it is very important to design a device capable of accurately testing the equivalent dynamic mass of the voice coil actuator.
The traditional voice coil actuator dynamic characteristic testing device can only test the static performance when the voice coil actuator is connected with direct current due to simple structure, and cannot test the dynamic performance of the voice coil actuator under the condition of inputting alternating current to the voice coil actuator so as to calculate the dynamic quality of the actuator; or the structure is too complicated, the number of parts is large, the processing requirement on the parts is high, the equipment cost is high, and the requirements of scientific research of common colleges and universities and the requirements of middle and small enterprises on product performance testing cannot be met.
Disclosure of Invention
The invention aims to provide a device and a system for testing the dynamic characteristics of a voice coil actuator, which have the advantages of simple structure, high reliability and low cost.
The technical scheme adopted by the invention for solving the problems is as follows:
a voice coil actuator dynamic characteristic testing apparatus comprising:
the shell comprises an upper shell, an outer shell and a lower shell which are fixedly connected from top to bottom in sequence, wherein the upper shell and the outer shell are both of hollow structures;
the pulling pressure sensor is fixed on the inner side of the lower shell through a screw;
the sensor support is fixed on the tension and pressure sensor through threads and is fixedly connected with the lower end face of the permanent magnet of the voice coil actuator through a screw;
the elastic diaphragm is fixedly clamped between the upper shell and the outer shell;
the acceleration sensor is fixed in the middle of the upper end face of the elastic diaphragm;
the insert is fixedly embedded in the middle of the lower end face of the elastic diaphragm;
and the guide pillar is fixedly connected with the coil framework of the voice coil actuator, the upper end of the guide pillar is fixedly connected with the middle part of the insert, and the lower end of the guide pillar is in axial sliding fit with the central hole of the permanent magnet of the voice coil actuator.
Furthermore, the upper shell is of a circular ring-shaped structure, an annular upper shell pressing groove is formed in the outer side of the upper shell through hole in the center, two upper shell positioning bosses are arranged on the same surface where the upper shell pressing groove is located, and a plurality of upper shell screw holes are uniformly formed in the upper shell along the circumferential direction.
Furthermore, an annular outer shell pressing groove located outside the outer shell through hole is formed in the upper end face of the outer shell, the first convex rib and the second convex rib of the elastic membrane are respectively embedded into the upper shell pressing groove and the outer shell pressing groove, two outer shell positioning holes and a plurality of outer shell threaded holes are further formed in the upper end face of the outer shell, the outer shell positioning holes are matched with the upper shell positioning bosses to accurately position the upper shell and the outer shell, and screws penetrate through the upper shell screw holes to be matched with the outer shell threaded holes to tightly press the elastic membrane; the cylindrical surface of the outer shell is provided with an outer shell side hole for a connecting wire of the pull pressure sensor to pass through; the shell body bottom has the shell body flange face, evenly seted up a plurality of shell body screw holes on the shell body flange face.
Further, the lower casing be cylindrical structure, casing center is equipped with down the casing screw hole down, the screw passes down the casing screw hole will draw pressure sensor lower extreme to fix on the casing down, the casing flange face down is equipped with to the lower casing outer lane, evenly seted up a plurality of casing screw holes down on the casing flange face down, the shell body cover is established and is linked as an organic wholely through the screw on the casing down.
Further, the sensor support is cylindrical structure, sensor support center is equipped with sensor support screw hole, draw pressure sensor upper end through with sensor support screw hole cooperation fix on the sensor support, evenly be equipped with a plurality of sensor support counter bores on the sensor support, the screw passes the sensor support counter bore with permanent magnet fixed connection.
Furthermore, the elastic diaphragm is of a disc-shaped structure made of rubber, annular first convex ribs and annular second convex ribs are arranged on the edges of the upper end face and the lower end face of the elastic diaphragm respectively, an elastic diaphragm groove is formed in the middle of the lower end face of the elastic diaphragm, and when the insert drives the rubber diaphragm to move along the axis direction of the permanent magnet, the elastic diaphragm has certain rigidity when moving in the direction perpendicular to the surface direction of the elastic diaphragm.
Furthermore, the upper end surface of the insert is embedded into the groove of the elastic diaphragm and is connected together through vulcanization, and the lower end of the insert is connected with the guide post through threads.
Furthermore, a circular guide pillar flange surface is arranged in the middle of the guide pillar, a plurality of guide pillar screw holes are formed in the guide pillar flange surface, screws penetrate through the guide pillar screw holes to fixedly connect the guide pillar with the coil framework, the lower end of the guide pillar is in axial sliding fit with a central hole of the permanent magnet, the guide pillar and the coil framework can only move along the axial direction of the permanent magnet, and the upper end of the guide pillar is in threaded connection with the insert.
Furthermore, the acceleration sensor is adhered to the upper end face of the elastic membrane through glue.
Furthermore, the screw for connecting the sensor support and the permanent magnet is made of a magnetic-insulating stainless steel material, and the guide pillar, the sensor support and the coil framework are made of a magnetic-insulating aluminum alloy material.
A voice coil actuator dynamic characteristic testing system comprising a voice coil actuator dynamic characteristic testing apparatus as described, further comprising:
the data acquisition device is electrically connected with the pull pressure sensor and the acceleration sensor and is used for acquiring data signals of the pull pressure sensor and the acceleration sensor;
and the comparison and analysis device is used for calculating the ratio of the data signals of the tension and pressure sensor and the acceleration sensor and judging the dynamic quality of the voice coil actuator.
Compared with the prior art, the dynamic characteristic testing device for the voice coil actuator is simple in structure, high in reliability, accurate in testing result and convenient for testing the dynamic quality of the voice coil actuator.
Drawings
FIG. 1 is an assembly schematic of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic view of the structure of the guide post of the present invention;
FIG. 4 is a schematic structural diagram of the upper housing of the present invention;
FIG. 5 is a cross-sectional view of the elastomeric membrane of the present invention;
FIG. 6 is a schematic structural diagram of the outer casing of the present invention;
FIG. 7 is a schematic view of the construction of the lower housing of the present invention;
fig. 8 is a schematic view of the sensor mount structure of the present invention.
Reference is made to the accompanying drawings in which: 1-acceleration sensor, 2-upper shell, 2a, 2c, 2f, 2 h-upper shell screw hole, 2b, 2 g-upper shell positioning boss, 2 d-upper shell through hole, 2 e-upper shell indent, 3-outer shell, 3a, 3c, 3f, 3 h-outer shell screw hole, 3b, 3 g-outer shell positioning hole, 3 d-outer shell through hole, 3 e-outer shell indent, 3 i-outer shell side hole, 3 k-outer shell flange face, 3j, 3l, 3m, 3 n-outer shell screw hole, 4-lower shell, 4a, 4c, 4d, 4 f-lower shell screw hole, 4 b-lower shell flange face, 4 e-lower shell screw hole, 5-elastic membrane, 5a, 5 b-elastic membrane first, The sensor comprises a second convex rib, a 5 c-elastic diaphragm groove, a 6-insert, a 7-guide post, a 7 a-guide post flange surface, a 7b and 7 c-guide post screw hole, an 8-coil framework, a 9-coil, a 10-permanent magnet, an 11-sensor support, an 11a and 11 c-sensor support countersunk holes, an 11 b-sensor support threaded hole and a 12-pulling pressure sensor.
Detailed Description
The invention is described in detail below with reference to the accompanying examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1 to 8, a voice coil actuator dynamic characteristic testing apparatus includes:
the shell comprises an upper shell 2, an outer shell 3 and a lower shell 4 which are fixedly connected from top to bottom in sequence, wherein the upper shell 2 and the outer shell 3 are both hollow structures;
a tension and pressure sensor 12 fixed to the inner side of the lower case 4 by screws;
the sensor support 11 is fixed on the tension and pressure sensor 12 through threads and is fixedly connected with the lower end face of the permanent magnet 10 of the voice coil actuator through a screw;
the elastic diaphragm 5 is fixedly clamped between the upper shell 2 and the outer shell 3;
the acceleration sensor 1 is fixed in the middle of the upper end face of the elastic diaphragm 5;
the insert 6 is fixedly embedded in the middle of the lower end face of the elastic diaphragm 5;
and the guide pillar 7 is fixedly connected with a coil framework 8 of the voice coil actuator, the upper end of the guide pillar 7 is fixedly connected with the middle part of the insert 6, and the lower end of the guide pillar is in axial sliding fit with a central hole of a permanent magnet 10 of the voice coil actuator.
The voice coil actuator is composed of a coil framework 8, a coil 9 and a permanent magnet 10, the upper end of the voice coil actuator is connected with the elastic diaphragm 5 through a guide pillar 7 and an insert 6, the lower end of the voice coil actuator is connected with a tension pressure sensor 12 through a sensor support 11, and the tension pressure sensor 12 is locked on the lower shell 4 through a screw.
In this embodiment, as shown in fig. 3, a circular guide post flange surface 7a is disposed in the middle of the guide post 7, two screw holes 7b and 7c are formed in the guide post flange surface 7a, screws pass through the guide post screw holes 7b and 7c to fix the guide post 7 and the coil frame 8 together, the lower end of the guide post 7 is matched with the permanent magnet 10, so that the guide post 7 and the coil frame 8 can only move along the axial direction of the permanent magnet 10 without moving along the radial direction of the permanent magnet 10, and the upper end of the guide post 7 is connected with the insert 6 through threads.
In this embodiment, the guide post 7 and the coil bobbin 8 are made of a magnetic-insulating aluminum alloy material, so as to prevent the magnetic field direction of the permanent magnet 10 from being disturbed and the performance of the electromagnetic actuator from being affected.
In this embodiment, the upper end of the insert 6 is inserted into the elastic diaphragm groove 5c and connected together by vulcanization, and the lower end of the insert 6 is connected to the guide post 7 by a screw.
In this embodiment, as shown in fig. 5, the elastic membrane 5 is a disk-shaped structure, the edges of the upper and lower end surfaces of the elastic membrane 5 are provided with first and second ribs 5a and 5b, the elastic membrane 5 is made of rubber, when the insert 6 drives the rubber membrane 5 to move along the axial direction of the permanent magnet 10, the rubber membrane 5 exhibits a certain rigidity, and when the hardness of the rubber material is different, the rigidity exhibited by the rubber membrane 5 is also different.
In this specific embodiment, the acceleration sensor 1 is adhered to the upper surface of the elastic diaphragm 5 through glue, and moves along the axial direction of the permanent magnet 10 under the driving of the coil framework 8, and the acceleration obtained by the test of the acceleration sensor 1 is the acceleration of the moving mass of the voice coil actuator.
In this embodiment, as shown in fig. 4, the upper housing 2 is a circular ring structure, an upper housing press groove 2e is formed in an outer ring of the upper housing through hole 2d, two upper housing positioning bosses 2b and 2g are arranged on a same plane where the upper housing press groove 2e is located, and four upper housing screw holes 2a, 2c, 2f and 2h are uniformly formed in the upper housing 2.
In this embodiment, as shown in fig. 6, an outer casing pressure groove 3e is formed in an outer ring of the outer casing through hole 3d, the first and second ribs 5a and 5b of the elastic diaphragm are respectively embedded into the upper casing pressure groove 2e and the outer casing pressure groove 3e, two positioning holes 3b and 3g are formed in an upper end surface of the outer casing 3, the outer casing positioning holes 3b and 3g are matched with the upper casing positioning bosses 2b and 2g to accurately position the upper casing 2 and the outer casing 3, four outer casing threaded holes 3a, 3c, 3f and 3h are uniformly formed in an upper surface of the outer casing 3, and screws penetrate through the upper casing threaded holes 2a, 2c, 2f and 2h to be matched with the outer casing threaded holes 3a, 3c, 3f and 3h to tightly press the elastic diaphragm 5. An outer shell side hole 3i is formed in the cylindrical surface of the outer shell 3 and used for allowing a connecting line of the pressure sensor 12 to pass through, a flange surface 3k is arranged at the bottom end of the outer shell 3, and four outer shell screw holes 3j, 3l, 3m and 3n are uniformly formed in the flange surface 3k of the outer shell.
In this embodiment, as shown in fig. 7, the lower case 4 is a cylindrical structure, a lower case screw hole 4e is provided at the center of the lower case 4, a screw passes through the lower case screw hole 4e to fix the tension and pressure sensor 12 on the lower case 4, a lower case flange face 4b is provided on the outer ring of the lower case 4, four lower case screw holes 4a, 4c, 4d, 4f are uniformly provided on the lower case flange face 4b, the outer case 3 is sleeved on the lower case 4, and the screw is matched with the lower case screw holes 4a, 4c, 4d, 4f through the outer case screw holes 3j, 3l, 3m, 3n to lock the lower case 4 and the outer case 3.
In this embodiment, as shown in fig. 8, the sensor support 11 is a cylindrical structure, the sensor support 11 is provided with the sensor support threaded hole 11b at the center, the tension and pressure sensor 12 is fixed on the sensor support 11 by matching with the sensor support threaded hole 11b, the sensor support 11 is uniformly provided with two sensor support countersunk holes 11a and 11c, and screws pass through the sensor support countersunk holes 11a and 11c to fix the sensor support 11 and the permanent magnet 10.
In this embodiment, the sensor support 11 is made of a magnetic-insulating aluminum alloy, and the screws for fixing the sensor support 11 and the permanent magnet 10 are made of a magnetic-insulating stainless steel.
In this embodiment, when the current is applied to the coil 9, the coil 9 will generate corresponding motion under the magnetic field of the permanent magnet 10, and when the applied current is harmonic current, the coil 9 will drive the bobbin 8 to do harmonic motion.
Another embodiment of the present invention provides a system for testing the dynamic characteristics of a voice coil actuator, including the device for testing the dynamic characteristics of a voice coil actuator, further including:
the data acquisition device is electrically connected with the pull pressure sensor and the acceleration sensor and is used for acquiring data signals of the pull pressure sensor and the acceleration sensor;
and the comparison and analysis device is used for calculating the ratio of the data signals of the tension and pressure sensor and the acceleration sensor and judging the dynamic quality of the voice coil actuator.
When the coil is connected with simple harmonic current and then moves along the axial direction of the permanent magnet, the pulling pressure sensor 12 is used for collecting a dynamic force signal output by the voice coil actuator, the acceleration sensor 1 is used for collecting a motion acceleration signal of the moving mass of the voice coil actuator, and according to Newton's second law, the ratio of the dynamic force signal output by the voice coil actuator to the motion acceleration signal of the moving mass of the voice coil actuator is the moving mass of the voice coil actuator.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. A voice coil actuator dynamic characteristic testing device is characterized by comprising:
the shell comprises an upper shell, an outer shell and a lower shell which are fixedly connected from top to bottom in sequence, wherein the upper shell and the outer shell are both of hollow structures;
the pulling pressure sensor is fixed on the inner side of the lower shell through a screw;
the sensor support is fixed on the tension and pressure sensor through threads and is fixedly connected with the lower end face of the permanent magnet of the voice coil actuator through a screw;
the elastic diaphragm is fixedly clamped between the upper shell and the outer shell;
the acceleration sensor is fixed in the middle of the upper end face of the elastic diaphragm;
the insert is fixedly embedded in the middle of the lower end face of the elastic diaphragm;
the guide pillar is fixedly connected with a coil framework of the voice coil actuator, the upper end of the guide pillar is fixedly connected with the middle part of the insert, and the lower end of the guide pillar is in axial sliding fit with a central hole of a permanent magnet of the voice coil actuator;
the elastic diaphragm is of a disc-shaped structure made of rubber, annular first convex ribs and annular second convex ribs are arranged on the edges of the upper end face and the lower end face of the elastic diaphragm respectively, an elastic diaphragm groove is formed in the middle of the lower end face of the elastic diaphragm, and when the insert drives the elastic diaphragm to move along the axis direction of the permanent magnet, the elastic diaphragm has certain rigidity when moving in the direction vertical to the surface of the elastic diaphragm;
the upper end surface of the insert is embedded into the groove of the elastic diaphragm and is connected together through vulcanization, and the lower end of the insert is connected with the guide post through threads;
the middle part of the guide post is provided with a circular guide post flange surface, the guide post flange surface is provided with a plurality of guide post screw holes, screws penetrate through the guide post screw holes to fixedly connect the guide post with the coil framework, the lower end of the guide post is in axial sliding fit with a central hole of the permanent magnet, so that the guide post and the coil framework can only move along the axis direction of the permanent magnet, and the upper end of the guide post is in threaded connection with the insert.
2. The device for testing the dynamic characteristic of the voice coil actuator according to claim 1, wherein the upper housing is of a circular ring-shaped structure, an annular upper housing indent is formed in the outer side of the upper housing through hole in the center, two upper housing positioning bosses are arranged on the same plane as the upper housing indent, and a plurality of upper housing screw holes are uniformly formed in the upper housing along the circumferential direction.
3. The device for testing the dynamic characteristics of the voice coil actuator according to claim 2, wherein an annular outer housing pressure groove located outside the outer housing through hole is formed in the upper end surface of the outer housing, the first and second ribs of the elastic diaphragm are respectively embedded into the upper housing pressure groove and the outer housing pressure groove, two outer housing positioning holes and a plurality of outer housing threaded holes are further formed in the upper end surface of the outer housing, the outer housing positioning holes are matched with the upper housing positioning bosses to accurately position the upper housing and the outer housing, and screws penetrate through the upper housing screw holes to be matched with the outer housing threaded holes to tightly press the elastic diaphragm; the cylindrical surface of the outer shell is provided with an outer shell side hole for a connecting wire of the pull pressure sensor to pass through; the shell body bottom has the shell body flange face, evenly seted up a plurality of shell body screw holes on the shell body flange face.
4. The device for testing the dynamic characteristics of the voice coil actuator according to claim 1, wherein the lower casing is of a cylindrical structure, a lower casing screw hole is formed in the center of the lower casing, a screw penetrates through the lower casing screw hole to fix the lower end of the tension and pressure sensor to the lower casing, a lower casing flange surface is formed on the outer ring of the lower casing, a plurality of lower casing screw holes are uniformly formed in the lower casing flange surface, and the outer casing is sleeved on the lower casing and connected into a whole through the lower casing screw holes.
5. The device for testing the dynamic characteristics of the voice coil actuator according to claim 1, wherein the sensor support is of a cylindrical structure, a sensor support threaded hole is formed in the center of the sensor support, the upper end of the tension and pressure sensor is fixed on the sensor support through matching with the sensor support threaded hole, a plurality of sensor support countersunk holes are uniformly formed in the sensor support, and screws penetrate through the sensor support countersunk holes to fixedly connect the sensor support and the permanent magnet.
6. The device for testing the dynamic characteristics of a voice coil actuator as claimed in claim 1, wherein the screw connecting the sensor support and the permanent magnet is made of a magnetic-insulating stainless steel material, and the guide post, the sensor support and the coil bobbin are made of a magnetic-insulating aluminum alloy material.
7. A voice coil actuator dynamic characteristic testing system comprising the voice coil actuator dynamic characteristic testing apparatus according to any one of claims 1 to 6, further comprising:
the data acquisition device is electrically connected with the pull pressure sensor and the acceleration sensor and is used for acquiring data signals of the pull pressure sensor and the acceleration sensor;
and the comparison and analysis device is used for calculating the ratio of the data signals of the tension and pressure sensor and the acceleration sensor and judging the dynamic quality of the voice coil actuator.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019102524663 | 2019-03-29 | ||
| CN201910252466.3A CN109974988A (en) | 2019-03-29 | 2019-03-29 | A kind of voice coil actuator dynamic characteristic test apparatus and system |
Publications (2)
| Publication Number | Publication Date |
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| CN110849613A CN110849613A (en) | 2020-02-28 |
| CN110849613B true CN110849613B (en) | 2021-07-20 |
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| CN201910252466.3A Pending CN109974988A (en) | 2019-03-29 | 2019-03-29 | A kind of voice coil actuator dynamic characteristic test apparatus and system |
| CN201911330038.4A Expired - Fee Related CN110849613B (en) | 2019-03-29 | 2019-12-20 | Dynamic characteristic testing device and system for voice coil actuator |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910252466.3A Pending CN109974988A (en) | 2019-03-29 | 2019-03-29 | A kind of voice coil actuator dynamic characteristic test apparatus and system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5305160A (en) * | 1991-07-31 | 1994-04-19 | Seagate Technology, Inc. | Compensating for variations in torque capability of voice coil motors |
| CN101622685A (en) * | 2007-02-27 | 2010-01-06 | 施耐德电器工业公司 | Hybrid electromagnetic actuator |
| CN101068090B (en) * | 2007-06-01 | 2010-10-13 | 华中科技大学 | DC linear voice coil motor |
| CN102412695A (en) * | 2011-09-23 | 2012-04-11 | 北京航空航天大学 | Voice coil actuator based on linear elastic double-membrane spring structure |
| CN205784984U (en) * | 2016-05-24 | 2016-12-07 | 江西森阳科技股份有限公司 | A kind of detection device of voice coil motor |
| CN207336090U (en) * | 2017-09-25 | 2018-05-08 | 比亚迪股份有限公司 | A kind of active engine mount testing equipment |
| CN109211583A (en) * | 2018-08-15 | 2019-01-15 | 宁波拓普集团股份有限公司 | A kind of automobile power assembly active engine mount test-bed |
-
2019
- 2019-03-29 CN CN201910252466.3A patent/CN109974988A/en active Pending
- 2019-12-20 CN CN201911330038.4A patent/CN110849613B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5305160A (en) * | 1991-07-31 | 1994-04-19 | Seagate Technology, Inc. | Compensating for variations in torque capability of voice coil motors |
| CN101622685A (en) * | 2007-02-27 | 2010-01-06 | 施耐德电器工业公司 | Hybrid electromagnetic actuator |
| CN101068090B (en) * | 2007-06-01 | 2010-10-13 | 华中科技大学 | DC linear voice coil motor |
| CN102412695A (en) * | 2011-09-23 | 2012-04-11 | 北京航空航天大学 | Voice coil actuator based on linear elastic double-membrane spring structure |
| CN205784984U (en) * | 2016-05-24 | 2016-12-07 | 江西森阳科技股份有限公司 | A kind of detection device of voice coil motor |
| CN207336090U (en) * | 2017-09-25 | 2018-05-08 | 比亚迪股份有限公司 | A kind of active engine mount testing equipment |
| CN109211583A (en) * | 2018-08-15 | 2019-01-15 | 宁波拓普集团股份有限公司 | A kind of automobile power assembly active engine mount test-bed |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110849613A (en) | 2020-02-28 |
| CN109974988A (en) | 2019-07-05 |
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