CN103575494B - The magnetic circuit system of beam vibration platform and control method thereof - Google Patents
The magnetic circuit system of beam vibration platform and control method thereof Download PDFInfo
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- CN103575494B CN103575494B CN201310586114.4A CN201310586114A CN103575494B CN 103575494 B CN103575494 B CN 103575494B CN 201310586114 A CN201310586114 A CN 201310586114A CN 103575494 B CN103575494 B CN 103575494B
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000011159 matrix material Substances 0.000 claims abstract description 4
- 238000012360 testing method Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
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Abstract
The invention discloses a kind of magnetic circuit system and control method of beam vibration platform.This magnetic circuit system comprises in order to as the axis body of armature, yoke, control coil and two field coils, this axis body one end and a matrix hinged, the other end coordinates with yoke, and and between yoke, leave a small―gap suture, all leave air gap between this axis body both sides and yoke, two field coils are wound on yoke, and be symmetrically distributed in axis body both sides, this control coil is set on axis body, and between two field coils, and also leave gap between control coil and axis body.Further, this magnetic circuit system also comprises at least one fixture, and this fixture is set on described axis body, and can move between axis body one end and yoke vertically, and is locked at arbitrary select location.Beam vibration platform provided by the invention and motor structure thereof simply, are easy to set up, with low cost, and it operationally, and resonant frequency is easy to adjust in a big way, fully can meet the demand of practical application.
Description
Technical field
The present invention relates to a kind of vibration rig, particularly a kind of beam vibration platform and magnetic circuit system thereof and control method, belong to vibration test technical field.
Background technology
Electric vibration testing equipment is one of main experimental means of environmental test, can complete vibration test in environmental test standard and impulse test with it.
At present, widely, it not only can carry out vibration test but also can carry out impulse test to the application surface of electric vibration experiment, both can vertical vibration, also can horizontal vibration, frequency-adjustable joint but complex structure.
Therefore industry is expected to develop a kind of structure simply, easy to operate vibration rig always, supplements using the one as electric vibration table.
Summary of the invention
An object of the present invention provides a kind of magnetic circuit system and control method of beam vibration platform, to overcome deficiency of the prior art.
For achieving the above object, present invention employs following technical scheme:
A kind of magnetic circuit system of beam vibration platform, comprise in order to as the axis body of armature, yoke, at least one control coil and two or more field coil, described axis body one end and a matrix hinged, the other end coordinates with yoke activity, wherein, also all air gap is left between described axis body both sides and yoke, described two or more field coil is wound on yoke, and be symmetrically distributed in axis body both sides, described control coil is set on axis body, and between described two field coils, and also leave gap between described control coil and axis body.
Further, gap is left between the described axis body other end and yoke.
As one of comparatively preferred embodiment, the magnetic circuit system of described beam vibration platform also comprises at least one fixture, and described fixture is set on described axis body, and can move between described axis body one end and yoke vertically, and is locked at arbitrary select location.
Further, the lockable mechanism in order to fixture to be locked at select location is also provided with between described fixture and axis body.
Further, when described beam vibration platform work, test specimen is fixed on described axis body, and is arranged on the selected station of one between described axis body one end and yoke.
A kind of beam vibration platform, comprises aforementioned magnetic circuit system.
A control method for the magnetic circuit system of beam vibration platform, comprising:
Constantly in field coil pass into the DC current with setting intensity, and pass into exchange current in control coil, make the to-and-fro movement in air gap of described axis body.
As one of comparatively preferred embodiment, the method also comprises: sheathed at least one fixture on described axis body, and described fixture can be moved between described axis body one end and yoke, and can be locked at arbitrary select location.
Further, by being moved respectively to described axis body one end or the other end by described fixture, the resonant frequency of described beam vibration platform is made to reduce or increase.
Compared with prior art, the present invention at least tool has the following advantages: provide a kind of novel beam vibration platform and magnetic circuit system thereof, its structure is simple, be easy to set up, with low cost, and it is operationally, resonant frequency is easy to adjust in a big way, fully can meet the demand of practical application.
Accompanying drawing explanation
Fig. 1 is the structural representation of a preferred embodiment of the present invention;
Fig. 2 is the working state schematic representation of a preferred embodiment of the present invention.
Embodiment
Consult shown in Fig. 1 is a preferred embodiment of the present invention, the magnetic circuit system of its a kind of beam vibration platform related to, comprise in order to the axis body 1 as armature, yoke 2, at least one control coil 3 and two or more field coil 4, described axis body one end and the hinged (not shown) of a matrix, the other end and middle yoke have a small―gap suture, air gap 5 is all left between described axis body both sides and yoke, described two or more field coil is wound on yoke, and be symmetrically distributed in axis body both sides, described control coil is set on axis body, and between described two field coils, and also leave gap between described control coil and axis body.
As one of comparatively preferred embodiment, the magnetic circuit system of described beam vibration platform also comprises the supporting device that at least one fixture 6(also can be considered axis body), described fixture is set on described axis body, and can move between described axis body one end and yoke vertically, and be locked at arbitrary select location.
For reaching the object of this locking, between axis body and fixture, particularly fixture can also be arranged a lockable mechanism, the various applicable lockable mechanism that this lockable mechanism can adopt those skilled in the art to know to know.
Further, when described beam vibration platform work, test specimen is fixed on described axis body, and is arranged on the selected station of one between described axis body one end and yoke.
Refer to Fig. 2 again, when utilization comprises the work of this magnetic circuit system beam vibration platform, constantly in field coil can pass into the DC current with setting intensity, and pass into exchange current in control coil, make the to-and-fro movement in air gap of described axis body.
Further, by described fixture is moved (consulting direction shown in arrow B) respectively to described axis body one end or the other end, the resonant frequency of described beam vibration platform can be made to reduce or increase, and by choosing suitable fixture lock position on axis body, required resonant frequency can be obtained.
Obviously, this beam vibration platform and motor structure thereof simply, are easy to set up, with low cost, and it operationally, and resonant frequency is easy to adjust in a big way, fully can meet the demand of practical application.
It should be noted that, above preferred embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, done various conversion or modification, all belong to category of the present invention.
Claims (7)
1. the magnetic circuit system of a beam vibration platform, it is characterized in that, it comprises in order to as the axis body of armature, yoke, at least one control coil and two or more field coil, described axis body one end and a matrix hinged, the other end coordinates with yoke activity, wherein, also all air gap is left between described axis body both sides and yoke, described two or more field coil is wound on yoke, and be symmetrically distributed in axis body both sides, described control coil is set on axis body, and between described two field coils, and also leave gap between described control coil and axis body;
It also comprises at least one fixture, and described fixture is set on described axis body, and can move between described axis body one end and yoke vertically, and is locked at arbitrary select location.
2. the magnetic circuit system of beam vibration platform according to claim 1, is characterized in that, leaves gap between the described axis body other end and yoke.
3. the magnetic circuit system of beam vibration platform according to claim 1, is characterized in that, is also provided with the lockable mechanism in order to fixture to be locked at select location between described fixture and axis body.
4. the magnetic circuit system of beam vibration platform according to claim 1, is characterized in that, when described beam vibration platform work, test specimen is fixed on described axis body, and is arranged on the selected station of one between described axis body one end and yoke.
5. a control method for the magnetic circuit system of beam vibration platform as claimed in claim 1, it is characterized in that, the method comprises:
Constantly in field coil pass into the DC current with setting intensity, and pass into exchange current in control coil, make the to-and-fro movement in air gap of described axis body.
6. the control method of the magnetic circuit system of beam vibration platform according to claim 5, it is characterized in that, it also comprises: sheathed at least one fixture on described axis body, and described fixture can be moved between described axis body one end and yoke, and can be locked at arbitrary select location.
7. the control method of the magnetic circuit system of beam vibration platform according to claim 6, is characterized in that, by being moved respectively to described axis body one end or the other end by described fixture, makes the resonant frequency of described beam vibration platform reduce or increase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310586114.4A CN103575494B (en) | 2013-11-19 | 2013-11-19 | The magnetic circuit system of beam vibration platform and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310586114.4A CN103575494B (en) | 2013-11-19 | 2013-11-19 | The magnetic circuit system of beam vibration platform and control method thereof |
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| Publication Number | Publication Date |
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| CN103575494A CN103575494A (en) | 2014-02-12 |
| CN103575494B true CN103575494B (en) | 2016-03-23 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201594143U (en) * | 2010-01-28 | 2010-09-29 | 中国石油天然气集团公司 | Upper moving coil type electromagnetic controllable earthquake focus vibrator |
| CN201653665U (en) * | 2009-11-27 | 2010-11-24 | 苏州东菱振动试验仪器有限公司 | Electric vibration table of multi-excitation multi-driving coil |
| CN102205308A (en) * | 2011-01-28 | 2011-10-05 | 上海交通大学 | Force-controlled electromagnetic permanent magnetic composite excitation vibration platform |
| CN203556536U (en) * | 2013-11-19 | 2014-04-23 | 苏州东菱振动试验仪器有限公司 | Novel magnetic circuit system applied to vibration experimental equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007171111A (en) * | 2005-12-26 | 2007-07-05 | Fujitsu Ltd | Rotational vibration generator using multi-VCM |
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2013
- 2013-11-19 CN CN201310586114.4A patent/CN103575494B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201653665U (en) * | 2009-11-27 | 2010-11-24 | 苏州东菱振动试验仪器有限公司 | Electric vibration table of multi-excitation multi-driving coil |
| CN201594143U (en) * | 2010-01-28 | 2010-09-29 | 中国石油天然气集团公司 | Upper moving coil type electromagnetic controllable earthquake focus vibrator |
| CN102205308A (en) * | 2011-01-28 | 2011-10-05 | 上海交通大学 | Force-controlled electromagnetic permanent magnetic composite excitation vibration platform |
| CN203556536U (en) * | 2013-11-19 | 2014-04-23 | 苏州东菱振动试验仪器有限公司 | Novel magnetic circuit system applied to vibration experimental equipment |
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| CN103575494A (en) | 2014-02-12 |
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