CN201844914U - Electromagnetic vibration bench rack - Google Patents
Electromagnetic vibration bench rack Download PDFInfo
- Publication number
- CN201844914U CN201844914U CN201020587960XU CN201020587960U CN201844914U CN 201844914 U CN201844914 U CN 201844914U CN 201020587960X U CN201020587960X U CN 201020587960XU CN 201020587960 U CN201020587960 U CN 201020587960U CN 201844914 U CN201844914 U CN 201844914U
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- electromagnet
- worktable
- magnetic conduction
- vibration
- sleeve
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Abstract
The utility model relates to a product ageing device of an electromagnetic vibration bench, which comprises a workbench, a vibration base, a frequency conversion control circuit and at least three casings for supporting the workbench, wherein two electromagnets are oppositely arranged in each casing; the electromagnets at the upper ends are connected with the workbench; and the electromagnets at the lower ends are fixed on bases of the casings. According to the electromagnetic vibration bench, a constant magnetic field can be generated by inducing constant current into coils of one electromagnets; a variation magnetic field can be generated by introducing current changing according to a certain requirement into coils of the other electromagnets; the workbench can be attached and released by using the principle that opposite poles of magnetic materials attract and like poles repel each other and thereby the vibration can be realized; the frequency of the vibration can be changed by controlling the frequency of the current; and the vibration of the workbench in various directions can be realized by controlling the introduced current frequencies of all electromagnet devices to be inconsistent.
Description
Technical field
The utility model relates to a kind of test-bed, relates in particular to a kind of electric and magnetic oscillation stand.
Background technology
In present stage, the development of electronic product is maked rapid progress, and supply falls short of demand on the market.Simultaneously, the test of product is also being experienced unprecedented fast development.Random vibration is exactly a test wherein.The shaking table of present stage can be accomplished x, y, and the axial freedom of z three directions and three directions and the radially vibration of degree of freedom, it is very comprehensive to we can say that amplitude shakes and frequently done.But vibration test is the detection to a stress aspect of product, also is simultaneously to the in advance aging detection of product in real work.And in practice in the application of product, its vibration is not to have that fixedly rule is governed, and certain rule is all followed in the vibration of a lot of shaking tables of present stage, thus the actual vibration that these shaking tables can not analog equipment, though the equipment of similar random vibration has been arranged.But the vibration medium all is to realize by elastic medium such as spring, and like this, the mass defect of spring is the weak part that is highly brittle, and has influenced the life-span of shaking table.
The utility model content
The utility model at the shaking table of present stage can not analog equipment actual vibration, rely on the situation of elastic medium, a kind of electric and magnetic oscillation stand has been proposed, the actual vibration that this vibration stand can analog equipment, and do not need to rely on elastic medium.
The utility model provides a kind of electric and magnetic oscillation stand, comprise worktable with workplace and installed surface, vibration base and frequency conversion control circuit, described vibration base is provided with at least three sleeves that are used to support described worktable, be respectively arranged with first electromagnet and second electromagnet in described each sleeve, one end of described first electromagnet and an end of described second electromagnet are oppositely arranged, the other end of described first electromagnet is fixedly connected on the installed surface of described worktable, the other end of described second electromagnet is fixedly connected on described sleeve inner bottom part, and the two ends lead-in wire of described first magnet coil and the two ends lead-in wire of described second magnet coil are connected with described frequency conversion control circuit respectively.
Preferably, above-mentioned vibration base is provided with a terminal box that is used to gather the two ends lead-in wire of described first magnet coil and second magnet coil, and described lead-in wire links to each other with described frequency conversion control circuit by described terminal box.
Preferably, above-mentioned sleeve adopts four non-magnetic conduction sleeves, and non-magnetic conduction sleeve is the structure of upper end open, lower end closed.
Preferably, above-mentioned worktable adopts square, and described non-magnetic conduction sleeve adopts four, and the lower end of described four non-magnetic conduction sleeves is fixed on the described vibration base, and the upper end of described non-magnetic conduction sleeve is supported four angles of described square worktable respectively.
Preferably, above-mentioned worktable adopts circular, non-magnetic conduction sleeve adopts three at least, the lower end of non-magnetic conduction sleeve is fixed on the described vibration base and is positioned on the same circumference, the upper end of described non-magnetic conduction sleeve is supported on respectively on the circumference of described worktable, and the center of the circumference that described at least three non-magnetic conduction sleeves are surrounded and the center of circle of described circular table are on same vertical line.
Preferably, the length of above-mentioned non-magnetic conduction sleeve is more than or equal to the length sum of first electromagnet and second electromagnet.
Electric and magnetic oscillation stand described in the utility model, feed steady current toward one of them electromagnet and produce the stationary magnetic field, feed by electric current that must changes persuingization toward another electromagnet, the polarity of electromagnet is changed as requested, utilize the magnetic material homopolar-repulsion, the principle that heteropole is inhaled mutually, inhale, put worktable, realize vibration, vibration frequency by Control current frequency shift worktable, electromagnet apparatus in each sleeve is control separately, feeds the electric current of different frequency, realizes the vibration of a plurality of directions of shaking table.
The beneficial effects of the utility model are: utilize the magnetic material homopolar-repulsion, the principle that heteropole is inhaled mutually realizes the vibration of worktable, need not to rely on elastic medium, thereby has prolonged the serviceable life of shaking table; Can realize the comprehensive vibration of the different degree of freedom of a plurality of directions by changing power frequency; The noise that vibration produces is also lower, has reduced the noise pollution to environment.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is the electromagnet apparatus of a kind of embodiment of the utility model and the wiring schematic diagram of frequency conversion control circuit.
Embodiment
Clearer for technical matters, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The utility model provides a kind of electric and magnetic oscillation stand, comprise worktable with workplace and installed surface, vibration base and frequency conversion control circuit, described vibration base is provided with at least three sleeves that are used to support described worktable, be respectively arranged with first electromagnet and second electromagnet in described each sleeve, one end of described first electromagnet and an end of described second electromagnet are oppositely arranged, the other end of described first electromagnet is fixedly connected on the installed surface of described worktable, the other end of described second electromagnet is fixedly connected on described sleeve inner bottom part, and the two ends lead-in wire of described first magnet coil and the two ends lead-in wire of described second magnet coil are connected with described frequency conversion control circuit respectively.
With reference to Fig. 1, the structural representation of a kind of embodiment of the utility model is shown.The utility model comprises worktable 1, and the upper surface of worktable 1 is a workplace of laying test article, and lower surface is the installed surface that is used to install, sleeve 2, the first electromagnet 3, the second electromagnet 4, vibration base 5, terminal box 6.Wherein, worktable 1 is preferably square, sleeve 2 is preferably four upper end open, the non-magnetic conduction sleeve of lower end closed, can effectively avoid leakage field, the lower end of four non-magnetic conduction sleeves 2 is fixed on the vibration base 5, the upper end of non-magnetic conduction sleeve 2 is supported four angles of square worktable 1 respectively, one end of one end of first electromagnet 3 and second electromagnet 4 is oppositely arranged in sleeve, the other end of first electromagnet 3 links to each other with the installed surface of worktable 1, the other end of second electromagnet 4 is fixed on the bottom of non-magnetic conduction sleeve 2, on first electromagnet in each sleeve and second electromagnet around the coil two ends draw one group of lead, four groups of leads are connected with frequency conversion control circuit respectively, preferably, a terminal box 6 are set on described vibration base 5, four groups of leads are summarised in the terminal box 6, link to each other with frequency conversion control circuit again; Worktable 1 can also be preferably circle, sleeve 2 is preferably the non-magnetic conduction sleeve of at least three upper end open, lower end closed, the lower end of non-magnetic conduction sleeve is fixed on the vibration base 5, the upper end of non-magnetic conduction sleeve is supported on the circumference of described circular table, and the center of the circumference that described at least three non-magnetic conduction sleeves are surrounded and the center of circle of described circular table are on same vertical line.
With reference to Fig. 2, during the utility model work, the frequency conversion control circuit module on first electromagnet 3 around coil feed constant electric current, produce constant magnetic field, frequency conversion control circuit feeds the electric current of frequency change to the coil of second electromagnet 4 simultaneously, the magnetic field that changes, according to the magnetic material homopolar-repulsion, the principle that heteropole is inhaled mutually, when the opposite end of two electromagnet was all the N utmost point or is all the S utmost point, the repulsive force between them just drove worktable 1 and moves upward, when the direction of current change of second electromagnet 4, then its polarity is just ensued change, at this moment the opposite end of two electromagnet shows as a N utmost point, another S utmost point, the acting force between them just shows as attractive force, drives worktable and moves downward, inhale by the acting force between two electromagnet, put worktable, realize vibration.
The utility model can also adopt another kind of embodiment, change is to the control of two electromagnet, frequency conversion control circuit on second electromagnet 4 around coil feed steady current, produce constant magnetic field, simultaneously frequency conversion control circuit again on first electromagnet 3 around coil feed the electric current of frequency change, the magnetic field that changes, according to the magnetic material homopolar-repulsion, the principle that heteropole is inhaled mutually, when the opposite end of two electromagnet is all the N utmost point or is all the S utmost point, repulsive force between them just drives worktable 1 and moves upward, direction of current change when first electromagnet 3, then its polarity is just ensued change, at this moment the opposite end of two electromagnet shows as a N utmost point, another S utmost point, acting force between them just shows as attractive force, the drive worktable moves downward, and inhales by the acting force between two electromagnet, put worktable, realize vibration.
With reference to Fig. 2, at one time, the electromagnet that feeds variable-current in each non-magnetic conduction sleeve is adopted separately control, the electric current change frequency that promptly is controlled on interior each magnet coil of identical time is all inequality, then the vibration frequency on each direction is also different, thereby realizes the omnibearing vibration of the different degree of freedom of a plurality of directions of shaking table.
The utility model utilizes the magnetic force between the electromagnet to realize the vibration of shaking table, need not to rely on flexible member, is not subjected to the influence of flexible member quality, thereby has prolonged the serviceable life of shaking table.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (6)
1. electric and magnetic oscillation stand, it is characterized in that, comprise worktable with workplace and installed surface, vibration base and frequency conversion control circuit, described vibration base is provided with at least three sleeves that are used to support described worktable, be respectively arranged with first electromagnet and second electromagnet in described each sleeve, one end of described first electromagnet and an end of described second electromagnet are oppositely arranged, the other end of described first electromagnet is fixedly connected on the installed surface of described worktable, the other end of described second electromagnet is fixedly connected on described sleeve inner bottom part, and the two ends lead-in wire of described first magnet coil and the two ends lead-in wire of described second magnet coil are connected with described frequency conversion control circuit respectively.
2. electric and magnetic oscillation stand according to claim 1, it is characterized in that, described vibration base is provided with a terminal box that is used to gather the two ends lead-in wire of described first magnet coil and second magnet coil, and described lead-in wire is connected with described frequency conversion control circuit by described terminal box.
3. electric and magnetic oscillation stand according to claim 1 is characterized in that, described sleeve is the non-magnetic conduction sleeve of upper end open, lower end closed.
4. electric and magnetic oscillation stand according to claim 3, it is characterized in that, described worktable adopts square, described non-magnetic conduction sleeve adopts four, the lower end of described four non-magnetic conduction sleeves is fixed on the described vibration base, and the upper end of described non-magnetic conduction sleeve is supported four angles of described square worktable respectively.
5. electric and magnetic oscillation stand according to claim 3, it is characterized in that, described worktable adopts circular, described non-magnetic conduction sleeve adopts three at least, the lower end of described at least three non-magnetic conduction sleeves is fixed on the described vibration base and is positioned on the same circumference, the upper end of described non-magnetic conduction sleeve is supported on respectively on the circumference of described worktable, and the center of the circumference that described at least three non-magnetic conduction sleeves are surrounded and the center of circle of described circular table are on same vertical line.
6. according to claim 4 or 5 described electric and magnetic oscillation stands, it is characterized in that the length of described non-magnetic conduction sleeve is more than or equal to the length sum of described first electromagnet and second electromagnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020587960XU CN201844914U (en) | 2010-10-28 | 2010-10-28 | Electromagnetic vibration bench rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020587960XU CN201844914U (en) | 2010-10-28 | 2010-10-28 | Electromagnetic vibration bench rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201844914U true CN201844914U (en) | 2011-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020587960XU Expired - Lifetime CN201844914U (en) | 2010-10-28 | 2010-10-28 | Electromagnetic vibration bench rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201844914U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104007001A (en) * | 2014-05-27 | 2014-08-27 | 深圳市爱康生物科技有限公司 | Magnetic control oscillation micro-plate device and experimental platform |
| CN104729816A (en) * | 2013-12-23 | 2015-06-24 | 北京有色金属研究总院 | Solid hydrogen storage system vibration test device and method |
| CN105275193A (en) * | 2015-10-17 | 2016-01-27 | 李德生 | Electromagnetic glazed equipment |
| CN106826516A (en) * | 2017-01-18 | 2017-06-13 | 浙江金达莱装饰工程有限公司 | A kind of polishing mechanism |
| CN106908210A (en) * | 2017-05-08 | 2017-06-30 | 哈尔滨理工大学 | A kind of nuclear power valve earthquake simulation detection means |
| CN109527058A (en) * | 2018-11-21 | 2019-03-29 | 浙江海洋大学 | A kind of device of mussel automation working process |
| CN110624807A (en) * | 2018-06-21 | 2019-12-31 | 刘云轩 | All-digital electromagnetic vibration table system and working method thereof |
| CN112729522A (en) * | 2020-11-30 | 2021-04-30 | 深圳供电局有限公司 | Vibration measurement system and method |
| CN113432818A (en) * | 2021-06-25 | 2021-09-24 | 上海交通大学 | Programmable force-excited blade vibration testing device |
-
2010
- 2010-10-28 CN CN201020587960XU patent/CN201844914U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729816A (en) * | 2013-12-23 | 2015-06-24 | 北京有色金属研究总院 | Solid hydrogen storage system vibration test device and method |
| CN104007001A (en) * | 2014-05-27 | 2014-08-27 | 深圳市爱康生物科技有限公司 | Magnetic control oscillation micro-plate device and experimental platform |
| CN105275193A (en) * | 2015-10-17 | 2016-01-27 | 李德生 | Electromagnetic glazed equipment |
| CN106826516A (en) * | 2017-01-18 | 2017-06-13 | 浙江金达莱装饰工程有限公司 | A kind of polishing mechanism |
| CN106826516B (en) * | 2017-01-18 | 2018-10-23 | 浙江金达莱装饰工程有限公司 | A kind of polishing mechanism |
| CN106908210A (en) * | 2017-05-08 | 2017-06-30 | 哈尔滨理工大学 | A kind of nuclear power valve earthquake simulation detection means |
| CN110624807A (en) * | 2018-06-21 | 2019-12-31 | 刘云轩 | All-digital electromagnetic vibration table system and working method thereof |
| CN109527058A (en) * | 2018-11-21 | 2019-03-29 | 浙江海洋大学 | A kind of device of mussel automation working process |
| CN112729522A (en) * | 2020-11-30 | 2021-04-30 | 深圳供电局有限公司 | Vibration measurement system and method |
| CN113432818A (en) * | 2021-06-25 | 2021-09-24 | 上海交通大学 | Programmable force-excited blade vibration testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160629 Address after: 210000 No. 99 Huai Hai Road, Lishui Economic Development Zone, Nanjing, Jiangsu Patentee after: Nanjing Byd Automobile Company Limited Address before: BYD 518118 Shenzhen Road, Guangdong province Pingshan New District No. 3009 Patentee before: Biyadi Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110525 |
|
| CX01 | Expiry of patent term |