CN201653665U - Electric vibration table of multi-excitation multi-driving coil - Google Patents
Electric vibration table of multi-excitation multi-driving coil Download PDFInfo
- Publication number
- CN201653665U CN201653665U CN2009202702569U CN200920270256U CN201653665U CN 201653665 U CN201653665 U CN 201653665U CN 2009202702569 U CN2009202702569 U CN 2009202702569U CN 200920270256 U CN200920270256 U CN 200920270256U CN 201653665 U CN201653665 U CN 201653665U
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- 239000004020 conductor Substances 0.000 claims abstract description 30
- 230000005284 excitation Effects 0.000 claims description 37
- 150000002118 epoxides Chemical class 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 239000004593 Epoxy Substances 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to an electric vibration table of a multi-excitation multi-driving coil, which comprises a movable coil, a magnetic conductor and a mechanical structural part of the conventional electric vibration table, and is characterized by being provided with three driving coils, three magnet exciting coils and three annular air gaps, wherein the three annular air gaps are arranged between the magnetic conductor and the three driving coils, a first magnet exciting coil, a second magnet exciting coil and a third magnet exciting coil are respectively installed in the magnetic conductor, and the movable coil as well as a first driving coil, a second driving coil and a third driving coil are installed in the annular air gaps of the magnetic conductor after epoxy curing; the head ends of the second magnet exciting coil and the first magnet exciting coil are connected; the tail ends of the third magnet exciting coil and the second magnet exciting coil are connected; the winding direction of the second driving coil is opposite to those of the first driving coil and the third driving coil, the second driving coil is connected with the first driving coil and the third driving coil in parallel, and the current directions in the adjacent driving coils are opposite; and the electric vibration table has smaller diameter of a table body and larger thrust force and displacement and is applicable to narrow spaces on the premise of satisfying a certain frequency.
Description
Technical field
The utility model relates to the electric vibration table of a kind of multiple excitation magnetic, many drive coils, particularly a kind of multiple excitation magnetic of dynamic environmental test device, the electric vibration table of many drive coils.
Background technology
At present, electric vibration table adopts single drive coil of single excitation or the single drive coil structure of two excitation more, as Fig. 1 is exactly existing a kind of electric vibration table that adopts single excitation, single drive coil, comprising: moving-coil 14, drive coil 15, magnet 16, work magnetic flux 17, central magnetic pole 18, wherein, work top is a moving-coil, flexibly is packed in above the central magnetic pole by resiliency supported; Though this structure is simple, easily manufactured, obtain big thrust, require the stage body diameter bigger, and narrower and small for installing space, obtain under the situation of high thrust again, obviously can not meet the demands.Therefore, need a kind of certain frequency requirement of satisfying, the stage body diameter is less, and thrust and displacement are bigger, is applicable to the multiple excitation magnetic that the vibration testing device of small space requires, the electric vibration table of many drive coils.
The utility model content
The purpose of this utility model is to provide the electric vibration table of a kind of multiple excitation magnetic, many drive coils, and the effective length of increase moving-coil coiling that can multiple increases thrust accordingly.Like this can be under the prerequisite that satisfies the certain frequency requirement, the stage body diameter is less, and thrust and displacement are bigger, are applicable to the vibration testing device requirement of small space.
The technical solution of the utility model is: the electric vibration table of a kind of multiple excitation magnetic, many drive coils, mechanical structured member by moving-coil, magnetic conductor, conventional electric vibration table is formed, three drive coils are arranged, three field coils are arranged, and between magnetic conductor and three drive coils, three annulus gaps are arranged, wherein, first field coil, second field coil, the 3rd field coil are installed in the magnetic conductor respectively, the moving-coil and first drive coil, second drive coil, the 3rd drive coil with curable epoxide after, be installed in the annulus gap of magnetic conductor; Second field coil links to each other with head end with the first field coil head end; The 3rd field coil links to each other with tail end with the second field coil tail end; Second drive coil is opposite with coiling direction in first and third drive coil, is connected in series, and guarantees current opposite in direction in the adjacent driven coil.
The another kind of syndeton of described three field coils is: second field coil links to each other with tail end with the first field coil tail end; The 3rd field coil links to each other with head end with the second field coil head end.
The electric vibration table of another kind of multiple excitation magnetic, many drive coils, by moving-coil, magnetic conductor, a plurality of drive coil, a plurality of field coils identical with drive coil quantity, the mechanical structured member of conventional multiple excitation magnetic, the electric vibration table of many drive coils is formed, its magnetic structure is characterised in that, between magnetic conductor and the described a plurality of drive coil a plurality of annulus gaps are arranged, described a plurality of field coils are installed in the magnetic conductor successively, respectively; Moving-coil and described a plurality of drive coil are installed in described a plurality of annulus gaps of magnetic conductor successively with behind the curable epoxide; Wherein, second field coil links to each other with head end with the first field coil head end; The 3rd field coil links to each other with tail end with the second field coil tail end; The 4th field coil links to each other with head end with the 3rd field coil head end, and the 5th field coil links to each other with tail end with the 4th field coil tail end; Follow-up field coil connected mode and the like; The coiling direction of adjacent driven coil is opposite, is connected in series, and guarantees current opposite in direction in the adjacent driven coil.
The another kind of syndeton of described a plurality of field coils is: second field coil links to each other with tail end with the first field coil tail end; The 3rd field coil links to each other with head end with the second field coil head end; The 4th field coil links to each other with tail end with the 3rd field coil tail end, and the 5th field coil links to each other with head end with the 4th field coil head end; Follow-up field coil connected mode and the like.
The utility model since adopted multiple excitation magnetic,, many drive coils formula, the effective length of increase moving-coil coiling that like this can multiple, corresponding increase thrust.Therefore, under the prerequisite that satisfies the electric vibration table certain frequency, be that a kind of stage body diameter is smaller, thrust and displacement are bigger, are applicable to the multiple excitation magnetic of small space, the electric vibration table of many drive coils.
Description of drawings
Fig. 1 is the structural representation of the electric vibration table of the single excitation of the employing of prior art, single drive coil.
Fig. 2 is one of the field coil elementary diagram of the electric vibration table of a kind of three excitations of the present utility model, three drive coils.
Fig. 3 be a kind of three excitations of the present utility model, three drive coils electric vibration table the field coil elementary diagram two.
Fig. 4 is the structural representation of the electric vibration table of a kind of multiple excitation magnetic of the present utility model, many drive coils.
Fig. 5 is one of the multiple excitation magnetic coil elementary diagram of the electric vibration table of a kind of multiple excitation magnetic of the present utility model, many drive coils.
Fig. 6 be a kind of multiple excitation magnetic of the present utility model, many drive coils electric vibration table multiple excitation magnetic coil elementary diagram two.
Among the figure, 1-moving-coil, 2-magnetic conductor, 3-first drive coil, 4-second drive coil, 5-the 3rd drive coil, 6-first field coil, 7-second field coil, 8-the 3rd field coil, 9-first working gas gap, 10-second working gas gap, 11-the 3rd working gas gap, 12-the 4th field coil, 13-the 5th field coil, 14-moving-coil, 15-drive coil, 16-magnet, 17-work magnetic flux, 18-central magnetic pole.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail, Fig. 2, Fig. 3 are the field coil elementary diagrams of the electric vibration table of a kind of multiple excitation magnetic of the present utility model, many drive coils.Fig. 4 is a structural representation.As can be seen from Figure, the electric vibration table of a kind of multiple excitation magnetic of the present utility model, many drive coils, mechanical structured member by the electric vibration table of moving-coil 1, magnetic conductor 2, conventional multiple excitation magnetic, many drive coils is formed, three drive coils are arranged, three field coils are arranged, and between magnetic conductor and three drive coils, three annulus gaps are arranged; As shown in Figure 4, first field coil 6, second field coil 7, the 3rd field coil 8 are installed on respectively in the magnetic conductor 2, are installed in the annularair gap 9,10,11 of magnetic conductor 2 behind the moving-coil 1 and first drive coil 3, second drive coil 4, the 3rd drive coil 5 usefulness curable epoxides.Current opposite in direction in second field coil 7 and first and third field coil 6,8; Second drive coil 4 is also opposite with first and third drive coil, 3,5 direction of current.As can be seen from Figure 2, second field coil 7 links to each other with head end with first field coil, 6 head ends; The 3rd field coil 8 links to each other with tail end with second field coil, 7 tail ends; The another kind of connection of described three field coils also can be: second field coil 7 links to each other with tail end with first field coil, 6 tail ends; The 3rd field coil 8 links to each other with head end with second field coil, 7 head ends.As shown in Figure 4, second drive coil 4 is opposite with coiling direction in first and third drive coil 3,5, is connected in series, and guarantees current opposite in direction in the adjacent driven coil.Because interstice 10 is opposite with magnetic line of force direction in first and third air gap 9,11, therefore make drive coil obtain unidirectional electromagnetic force.
Basic functional principle of the present utility model is that field coil passes to direct current generation stationary magnetic field, the drive coil effect that cutting magnetic line produces electromagnetic force in the stationary magnetic field, i.e. Amp.Electric current in the size of the suffered electromagnetic force of drive coil and the coil, coil in magnetic field effective length and the magnetic induction density in the coil air gap of living in be directly proportional.
The electric vibration table thrust of multiple excitation magnetic, many drive coils is
F＝BLi＝BlI?sinωt
In the formula, B is a magnetic induction density in the annulus gap;
L is the effective length of moving-coil coiling;
I is the electric current in the moving-coil.
The electromagnetic force direction is judged with left-hand rule, as shown in Figure 4: drive coil places the annular working air gap of magnetic conductor, by left-hand rule as can be known the stressed effect of drive coil moving-coil is produced move upward, flow through sense of current in the drive coil if change, drive coil will be subjected to an opposite power so, and moving-coil is moved downward.If pass to exchange current in drive coil, moving-coil will produce corresponding alternate motion.
According to above-mentioned basic functional principle, drive coil can also be increased to a plurality of, a plurality of with the field coil identical with drive coil quantity, (be meant here more than 3, accompanying drawing 5,6 what draw is 5 field coils), suitably change moving-coil 1, the shape of magnetic conductor 2 and mechanical structured member, again after the assembling, just can become the multiple excitation magnetic of another kind of form, the electric vibration table of many drive coils, this multiple excitation magnetic, the magnetic structure of the electric vibration table of many drive coils is: between magnetic conductor 2 and the described a plurality of drive coil a plurality of annulus gaps are arranged, described a plurality of field coil (Fig. 5,5 have been drawn among Fig. 6), 6,7,8,12,13, successively, be installed on respectively in the magnetic conductor 2; Moving-coil 1 and described a plurality of drive coils are installed in described a plurality of annulus gaps of magnetic conductor 2 successively with behind the curable epoxide; Wherein, second field coil 7 links to each other with head end with first field coil, 6 head ends; The 3rd field coil 8 links to each other with tail end with second excitation wire, 7 circle tail ends; The 4th field coil 12 links to each other with head end with the 3rd field coil 8 head ends, and the 5th field coil 13 links to each other with tail end with the 4th field coil 12 tail ends ... and the like; The coiling direction of adjacent driven coil is opposite, is connected in series, and guarantees current opposite in direction in the adjacent driven coil.
The another kind of connection of described a plurality of field coils is: second field coil 7 links to each other with tail end with first field coil, 6 tail ends; The 3rd field coil 8 links to each other with head end with second field coil, 7 head ends; The 4th field coil 12 links to each other with tail end with the 3rd field coil 8 tail ends, and the 5th excitation wire 13 circles link to each other with head end with the 4th field coil 12 head ends ... and the like.
Require emphasis and be pointed out that, though the figure that only 5 field coils is arranged with a width of cloth describes the magnetic structure of the electric vibration table of a kind of multiple excitation magnetic of the present utility model, many drive coils here, explanation is the electric vibration table magnetic circuit principle of a kind of multiple excitation magnetic, many drive coils here.It all is suitable for greater than 3 multiple excitation magnetic, the electric vibration table of many drive coils field coil and drive coil quantity.
The utility model has been finished the utility model purpose, promptly adopt multiple excitation magnetic,, many drive coils mode, the effective length of increase moving-coil coiling that can multiple increases thrust accordingly.Satisfied under the prerequisite of certain frequency requirement, the stage body diameter is less, and thrust and displacement are bigger, is applicable to the vibration testing device requirement of small space.
The above embodiment that the utility model proposes; only be explanation technical conceive of the present utility model and characteristics; purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalent way or modifications of being done according to the utility model spirit all should be encompassed in the claim protection domain of the present utility model.
Claims (4)
1. the electric vibration table of a multiple excitation magnetic, many drive coils, mechanical structured member by moving-coil, magnetic conductor and conventional electric vibration table is formed, it is characterized in that, three drive coils are arranged, three field coils are arranged, and between magnetic conductor and three drive coils, three annulus gaps are arranged, wherein, first field coil, second field coil, the 3rd field coil are installed in the magnetic conductor respectively, the moving-coil and first drive coil, second drive coil, the 3rd drive coil with curable epoxide after, be installed in the annulus gap of magnetic conductor; Second field coil links to each other with head end with the first field coil head end; The 3rd field coil links to each other with tail end with the second field coil tail end; Second drive coil is opposite with coiling direction in first and third drive coil, is connected in series, and guarantees current opposite in direction in the adjacent driven coil.
2. according to the electric vibration table of the described a kind of multiple excitation magnetic of claim 1, many drive coils, it is characterized in that the another kind of syndeton of described three field coils is: second field coil links to each other with tail end with the first field coil tail end; The 3rd field coil links to each other with head end with the second field coil head end.
3. the electric vibration table of a multiple excitation magnetic, many drive coils, by moving-coil, magnetic conductor, a plurality of drive coil, a plurality of field coils identical with drive coil quantity, form with the mechanical structured member of the electric vibration table of routine, it is characterized in that, between magnetic conductor and the described a plurality of drive coil a plurality of annulus gaps are arranged, described a plurality of field coils are installed in the magnetic conductor successively, respectively; Moving-coil and described a plurality of drive coil are installed in described a plurality of annulus gaps of magnetic conductor successively with behind the curable epoxide; Wherein, second field coil links to each other with head end with the first field coil head end; The 3rd field coil links to each other with tail end with the second field coil tail end; The 4th field coil links to each other with head end with the 3rd field coil head end, and the 5th field coil links to each other with tail end with the 4th field coil tail end; Follow-up field coil connected mode and the like; The coiling direction of adjacent driven coil is opposite, is connected in series, and guarantees current opposite in direction in the adjacent driven coil.
4. according to the electric vibration table of the described a kind of multiple excitation magnetic of claim 3, many drive coils, it is characterized in that the another kind of syndeton of described a plurality of field coils is: second field coil links to each other with tail end with the first field coil tail end; The 3rd field coil links to each other with head end with the second field coil head end; The 4th field coil links to each other with tail end with the 3rd field coil tail end, and the 5th field coil links to each other with head end with the 4th field coil head end; Follow-up field coil connected mode and the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202702569U CN201653665U (en) | 2009-11-27 | 2009-11-27 | Electric vibration table of multi-excitation multi-driving coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202702569U CN201653665U (en) | 2009-11-27 | 2009-11-27 | Electric vibration table of multi-excitation multi-driving coil |
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| Publication Number | Publication Date |
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| CN201653665U true CN201653665U (en) | 2010-11-24 |
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| CN2009202702569U Expired - Lifetime CN201653665U (en) | 2009-11-27 | 2009-11-27 | Electric vibration table of multi-excitation multi-driving coil |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103575494A (en) * | 2013-11-19 | 2014-02-12 | 苏州东菱振动试验仪器有限公司 | Magnetic circuit system of beam vibration platform and adjusting method of magnetic circuit system |
| CN103674455A (en) * | 2013-09-27 | 2014-03-26 | 浙江大学 | Moving coil of angular vibration table |
| CN110560971A (en) * | 2018-08-13 | 2019-12-13 | 艾默生科技有限公司布兰森超声分公司 | welding equipment positioning device |
| CN112098028A (en) * | 2020-09-14 | 2020-12-18 | 浙江埃特斯力试验设备有限公司 | Stroke-variable precision moving coil for vibrating table |
| CN112666598A (en) * | 2020-12-04 | 2021-04-16 | 中海石油(中国)有限公司湛江分公司 | Marine electromagnetic controlled seismic source shock exciter |
-
2009
- 2009-11-27 CN CN2009202702569U patent/CN201653665U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674455A (en) * | 2013-09-27 | 2014-03-26 | 浙江大学 | Moving coil of angular vibration table |
| CN103674455B (en) * | 2013-09-27 | 2016-06-22 | 浙江大学 | A kind of angle vibration table moving-coil |
| CN103575494A (en) * | 2013-11-19 | 2014-02-12 | 苏州东菱振动试验仪器有限公司 | Magnetic circuit system of beam vibration platform and adjusting method of magnetic circuit system |
| CN103575494B (en) * | 2013-11-19 | 2016-03-23 | 苏州东菱振动试验仪器有限公司 | The magnetic circuit system of beam vibration platform and control method thereof |
| CN110560971A (en) * | 2018-08-13 | 2019-12-13 | 艾默生科技有限公司布兰森超声分公司 | welding equipment positioning device |
| US11207750B2 (en) | 2018-08-13 | 2021-12-28 | Branson Ultraschall Niederlassung Der Emerson Technologies Gmbh & Co. Ohg | Welding device positioning arrangement |
| CN110560971B (en) * | 2018-08-13 | 2022-03-04 | 艾默生科技有限公司布兰森超声分公司 | Welding equipment positioning device |
| CN112098028A (en) * | 2020-09-14 | 2020-12-18 | 浙江埃特斯力试验设备有限公司 | Stroke-variable precision moving coil for vibrating table |
| CN112098028B (en) * | 2020-09-14 | 2022-03-01 | 浙江埃特斯力试验设备有限公司 | Stroke-variable precision moving coil for vibrating table |
| CN112666598A (en) * | 2020-12-04 | 2021-04-16 | 中海石油(中国)有限公司湛江分公司 | Marine electromagnetic controlled seismic source shock exciter |
| CN112666598B (en) * | 2020-12-04 | 2022-09-13 | 中海石油(中国)有限公司湛江分公司 | Marine electromagnetic controlled seismic source shock exciter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Electric vibration table of multi-excitation multi-driving coil Effective date of registration: 20110303 Granted publication date: 20101124 Pledgee: China Everbright Bank Suzhou branch Pledgor: Suzhou Dongling Vibration Testing Instrument Co., Ltd. Registration number: 2011990000063 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20120331 Granted publication date: 20101124 Pledgee: China Everbright Bank Suzhou branch Pledgor: Suzhou Dongling Vibration Testing Instrument Co., Ltd. Registration number: 2011990000063 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Electric vibration table of multi-excitation multi-driving coil Effective date of registration: 20120331 Granted publication date: 20101124 Pledgee: China Everbright Bank Suzhou branch Pledgor: Suzhou Dongling Vibration Testing Instrument Co., Ltd. Registration number: 2012990000119 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20130628 Granted publication date: 20101124 Pledgee: China Everbright Bank Suzhou branch Pledgor: Suzhou Dongling Vibration Testing Instrument Co., Ltd. Registration number: 2012990000119 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Electric vibration table of multi-excitation multi-driving coil Effective date of registration: 20130703 Granted publication date: 20101124 Pledgee: China Everbright Bank Suzhou branch Pledgor: Suzhou Dongling Vibration Testing Instrument Co., Ltd. Registration number: 2013990000429 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20140922 Granted publication date: 20101124 Pledgee: China Everbright Bank Suzhou branch Pledgor: Suzhou Dongling Vibration Testing Instrument Co., Ltd. Registration number: 2013990000429 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Electric vibration table of multi-excitation multi-driving coil Effective date of registration: 20140928 Granted publication date: 20101124 Pledgee: China Everbright Bank Suzhou branch Pledgor: Suzhou Dongling Vibration Testing Instrument Co., Ltd. Registration number: 2014990000821 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20151016 Granted publication date: 20101124 Pledgee: China Everbright Bank Suzhou branch Pledgor: Suzhou Dongling Vibration Testing Instrument Co., Ltd. Registration number: 2014990000821 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101124 |
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| CX01 | Expiry of patent term |