CN101545291B - Technical application of magnetic suspension in filed of vibration prevention of engineering structure - Google Patents
Technical application of magnetic suspension in filed of vibration prevention of engineering structure Download PDFInfo
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- CN101545291B CN101545291B CN2009101115872A CN200910111587A CN101545291B CN 101545291 B CN101545291 B CN 101545291B CN 2009101115872 A CN2009101115872 A CN 2009101115872A CN 200910111587 A CN200910111587 A CN 200910111587A CN 101545291 B CN101545291 B CN 101545291B
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Abstract
The invention relates to buildings, and particularly belongs to technical application of magnetic suspension in the filed of vibration prevention of an engineering structure. The invention adopts the technical proposal that: a plurality of substructures are arranged in the engineering structure, the bottom layers of the substructure are provided with an electromagnet, the lower part of the electromagnet is provided with a corresponding structural electromagnet, the electromagnet and the structural electromagnet after being powered have the same electromagnetic polarity, and the electromagnet and the structural electromagnet are connected with an electromagnetic control device with an earthquake signal receiving device. The technical application has the advantages that: because the engineering structure applied with the magnetic suspension technology fully isolates the earthquake influence, the problems of various assumptions calculated by earthquake action, mutual influence of the earthquake and the structure, and the like disappear; and the structure is not influenced by the strength, properties and the like of the earthquake.
Description
Technical field
The present invention relates to building, especially belong to the technical application of a kind of magnetic suspension in engineering structures vibrationproof field.
Background technology
In the prior art anti-Zhiduo County of earthquake is adopted the intensity of strengthening building or reach the purpose of control earthquake in the mode that the bottom of building is installed earthquake isolating equipments such as rubber; Though these methods have been brought into play enormous function in protection against and mitigation of earthquake disasters, can not fundamentally eliminate the influence of earthquake to building.And,, cause the destruction and the casualties of engineering structures, inner facility because the building self-characteristic more is easy to generate excessive deformation and acceleration during earthquake for high level or super highrise building.
Summary of the invention
The object of the present invention is to provide the technical application of a kind of magnetic suspension in engineering structures vibrationproof field, make people can completely cut off the threat of earthquake fully, reach the purpose of control earthquake.
The technical scheme that the present invention taked is: it is by in engineering structures, being shaped on the experimental process structure; Bottom in minor structure is shaped on electromagnet; The below of electromagnet is shaped on corresponding structure electromagnet; Electromagnet is identical with the electromagnetism polarity of structure electromagnet after energising, and electromagnet and structure electromagnet link to each other with the electromagnetic control apparatus that has the seismic signal receiving system form.
Therefore beneficial effect of the present invention is: 1, it can guarantee to accomplish that (1) do not have wearing and tearing, pollution-free fully because magnetic levitation technology has the characteristics that do not have Mechanical Contact, can use for a long time; (2) do not have the machinery friction fully, power consumption is little, noise is low, efficient is high, need not lubricate and seal; (3) electromagnetic force, rigidity, damping are controllable, can guarantee that engineering structures is in equilibrium state, can not vibrate, and the ACTIVE CONTROL of being convenient to vibrate; (4) the total movement characteristic of suspended solids can be obtained by position sensor, is convenient to realize running status diagnosis and monitoring.2, the present invention uses the engineering structures of magnetic levitation technology owing to completely cut off earthquake effect fully; Therefore; All supposition that geological process is calculated, the difficult problem such as influence each other of earthquake and structure has not all existed, and no matter the size of earthquake, the characteristic of earthquake etc. are all unaffected.3, because scheme of the present invention does not receive the influence of earthquake, therefore, the building moulding no longer receives the constraint of existing systematicness, and people can create various building structures according to imagination.4, the present invention can test very easily and change and repair, and can stop the generation of other anti-(subtracting) seismic isolation technology some possible major accidents that cause of poor quality in engineering construction.5, the present invention and TMD technological synthesis utilization can solve the building problems such as antidetonation, wind resistance of high level, super highrise building fully.
Description of drawings
Fig. 1 is a schematic diagram of the present invention
Fig. 2 is the schematic top plan view of engineering structures
Wherein: 1, minor structure 2, bottom 21, whole chassis 22, supporting member bottom 3, electromagnet 4, structure electromagnet 5, engineering structures 6, load-bearing cylinder 7, ground 8, elevator tube well 9, seismic signal receiving system 10, electromagnetic control apparatus 11, lead
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described further
Like Fig. 1, shown in Figure 2; The present invention is by in engineering structures 5, being shaped on experimental process structure 1; Bottom 2 in minor structure 1 is shaped on electromagnet 3; The below of electromagnet 3 is shaped on corresponding structure electromagnet 4, and electromagnet 3 is identical with the electromagnetism polarity of structure electromagnet 4 after energising, and electromagnet 3 and structure electromagnet 4 link to each other with the electromagnetic control apparatus that has seismic signal receiving system 9 10 form.
Minor structure 1 described in the present invention is meant independent structures body or equipment; Its quantity is 1,2, more than 3 or 3.
Below imagination of the present invention and prospect done one describe, this description helps the present invention is comprehensively understood.
The technical application imagination of magnetic suspension in engineering structures vibrationproof field:
Bottom in engineering structuress 5 such as general individual layer, multistoried buildings is provided with electromagnet 3, is shaped on corresponding structure electromagnet 4 on the basis of the below engineering structures 5 of electromagnet 3, under the even in everyday situations that does not have earthquake to take place; The superstructure that is shaped on electromagnet 3 is shelved on the structure electromagnet 4, and when earthquake took place, superstructure received early warning signal; OnNow electromagnetic control apparatus 10 is given electromagnet 3 and structure electromagnet 4 input currents, produces repulsive force between electromagnet 3 and the structure electromagnet 4; Superstructure rises immediately, and built on stilts no longer receives the influence of face of land vibration; After earthquake motion in tens of seconds finishes; Slowly reduce electric current, superstructure is also slowly got back to original position, has thoroughly eliminated the detrimental effect of earthquake to superstructure thus.
For high-rise and super highrise building engineering structures 5, at first should satisfy the wind resistance needs of engineering structures 5, for this reason, employing is designed to the mammoth structure of master, minor structure system etc., carries out wind force proofing design in conjunction with existing energy-dissipating and shock-absorbing and TMD technology etc.In engineering structures 5 inside, each minor structure 1 all adopts magnetic suspension to exempt to shake method for designing, promptly; Bottom 2 in each minor structure 1 is provided with electromagnet 3, and corresponding structure electromagnet 4 is set on the horizontal member of main structure, arrives in earthquake; When engineering structures 5 is received signal, start electromagnetic control apparatus 10, the energising back produces repulsive force between electromagnet 3 and the structure electromagnet 4; Minor structure 1 rises immediately, leaves main structure, no longer receives the influence of main structure vibration.Main structure by traditional anti-shock methods design; In its vertical member (like shear wall) elevator & stairs, ventilating shaft etc. can be set; Minor structure 1 suspends during because of earthquake; This part quality does not produce horizontal force, thereby the suffered seismic forces of engineering structures 5 main bodys greatly reduces, and main structure also will be more economical more safer than traditional seismic design.In a word, for high level or super highrise building, main, minor structure system are adopted in the design of suggestion engineering structures; Utilization subtracts (separated) shake technology and carries out wind force proofing design; Utilize traditional anti-seismic technology to carry out the main structure seismic design, utilize magnetic levitation technology to carry out minor structure 1 design, give full play to various technological merits; Assurance minor structure 1 is exempted from shake, guarantees the safety of minor structure 1 safety and inner facility.
Progress along with science and technology; After the superconductor technology low in energy consumption, that volume is little, electric current is big, electromagnetic force improves greatly obtains to break through; It is the same that above-mentioned high level and super highrise building can exempt to shake method for designing as the magnetic suspension in house; Realize whole the suspension through superconducting electromagnet interaction between structural base superconducting electromagnet and basis, thereby thoroughly realize exempting to shake.The overall structure Wind Resistant Calculation is being satisfied, and promptly wind carries down overall structure when exempting to topple, and also can this method realization exempts from wind and shakes.
The technical application prospect of magnetic suspension in engineering structures vibrationproof field:
The active control technology that magnetic levitation technology particularly vibrates develops into today; Become the scientific and technical highly dense type intelligent electromechanical type technology of science such as integrating control, electric and magnetic oscillation; The scope that has a wide range of applications and development prospect; Magnetic levitation technology is magnetic levitation technology breakthrough utilization in field of civil engineering in engineering structures vibrationproof Application for Field, can contain to comprise almost all engineerings such as general building construction, multilayer, high level and super highrise building, industrial construction, public building, large-span space structure, towering pylon, ocean platform, nuclear and various important structure or unique construction, visual plant instrument etc.Along with the breakthrough of the superconductor that electromagnetic force is improved greatly, will bring bigger development to magnetic levitation technology.
Claims (6)
1. a magnetic levitation technology is in engineering structures vibrationproof Application for Field method; It is characterized in that: it is in engineering structures (5), to be shaped on experimental process structure (1); Bottom (2) in minor structure (1) is shaped on electromagnet (3); The below of electromagnet (3) is shaped on corresponding structure electromagnet (4), and electromagnet (3) is identical with the electromagnetism polarity of structure electromagnet (4) after energising; And electromagnet (3) links to each other with the electromagnetic control apparatus that has seismic signal receiving system (9) (10) with structure electromagnet (4).
2. magnetic levitation technology according to claim 1 is characterized in that in engineering structures vibrationproof Application for Field method: described minor structure (1) is meant independent structures body or equipment; Its quantity is 1, more than 2 or 3.
3. magnetic levitation technology according to claim 1 is characterized in that in engineering structures vibrationproof Application for Field method: described electromagnet (3) and structure electromagnet (4) are meant normal conductive magnet or superconducting electromagnet.
4. magnetic levitation technology according to claim 1 is characterized in that in engineering structures vibrationproof Application for Field method: described bottom (2) is meant whole chassis (21) of minor structure (1).
5. magnetic levitation technology according to claim 1 is characterized in that in engineering structures vibrationproof Application for Field method: described bottom (2) is meant the supporting member bottom (22) of minor structure (1).
6. magnetic levitation technology according to claim 1 is characterized in that in engineering structures vibrationproof Application for Field method: described engineering structures (5) is meant individual layer, multilayer, high level or super highrise building, industrial construction; Public building; Large-span space structure, towering pylon, ocean platform; Nuclear, unique construction or visual plant instrument.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101115872A CN101545291B (en) | 2009-04-28 | 2009-04-28 | Technical application of magnetic suspension in filed of vibration prevention of engineering structure |
| JP2011542649A JP2012514162A (en) | 2009-01-21 | 2009-05-18 | Magnetic levitation type vibration-proof structure |
| PCT/CN2009/071834 WO2010083666A1 (en) | 2009-01-21 | 2009-05-18 | Magnetically suspended antiseismic structure |
| US13/173,770 US20110277389A1 (en) | 2009-01-21 | 2011-06-30 | Magnetically levitated antiseismic structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101115872A CN101545291B (en) | 2009-04-28 | 2009-04-28 | Technical application of magnetic suspension in filed of vibration prevention of engineering structure |
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| Publication Number | Publication Date |
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| CN101545291A CN101545291A (en) | 2009-09-30 |
| CN101545291B true CN101545291B (en) | 2012-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101115872A Expired - Fee Related CN101545291B (en) | 2009-01-21 | 2009-04-28 | Technical application of magnetic suspension in filed of vibration prevention of engineering structure |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452202A (en) * | 2013-09-27 | 2013-12-18 | 夏昌 | Suspension type vibration-proof structure |
| CN103953128A (en) * | 2014-05-20 | 2014-07-30 | 福州市规划设计研究院 | Electromagnetic suspension shock isolation device |
| CN103953129B (en) * | 2014-05-20 | 2016-04-20 | 福州市规划设计研究院 | The construction method of Hybrid suspension of electromagnets and permanent magnets earthquake isolating equipment |
| CN105715737B (en) * | 2016-02-05 | 2018-04-24 | 福州市规划设计研究院 | Isolation mounting is combined in a kind of magnetic suspension |
| CN106760011A (en) * | 2016-12-14 | 2017-05-31 | 广州大学 | Three-dimensional isolation device |
| CN107060106B (en) * | 2017-04-14 | 2019-04-19 | 福州市规划设计研究院 | A kind of repulsion type magnetic suspension shock isolating pedestal and its manufacture construction method |
| CN112267593A (en) * | 2020-11-24 | 2021-01-26 | 金陵科技学院 | Permanent magnet suspension active driving quality device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2682047Y (en) * | 2003-12-23 | 2005-03-02 | 赵宝泉 | Magnetic suspension type elevator off-control protection device |
| CN2793428Y (en) * | 2005-04-30 | 2006-07-05 | 段春生 | Electromagnetic bumper |
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2009
- 2009-04-28 CN CN2009101115872A patent/CN101545291B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2682047Y (en) * | 2003-12-23 | 2005-03-02 | 赵宝泉 | Magnetic suspension type elevator off-control protection device |
| CN2793428Y (en) * | 2005-04-30 | 2006-07-05 | 段春生 | Electromagnetic bumper |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2006-291512A 2006.10.26 |
| JP特开平7-252966A 1995.10.03 |
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| CN101545291A (en) | 2009-09-30 |
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