CN206279841U - A kind of three-dimensional isolation device based on electromagnetic suspension - Google Patents
A kind of three-dimensional isolation device based on electromagnetic suspension Download PDFInfo
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- CN206279841U CN206279841U CN201621373882.7U CN201621373882U CN206279841U CN 206279841 U CN206279841 U CN 206279841U CN 201621373882 U CN201621373882 U CN 201621373882U CN 206279841 U CN206279841 U CN 206279841U
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- permanent magnet
- isolation device
- iron core
- electromagnetic suspension
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Abstract
The utility model discloses a kind of three-dimensional isolation device based on electromagnetic suspension, it is fixedly connected on an Architectural Equipment chassis, it includes the barrel susceptor being fixed on the Architectural Equipment chassis, iron core that the base interior is provided with the wound around coil being fixed on the Architectural Equipment chassis, the permanent magnet being held on above the iron core, the permanent magnet have the vertical motion free degree of relative iron core；The base interior is provided with the annular pier for shelving posting, posting bottom surface opening and opening down is fastened on the permanent magnet；Level is fixed with the top surface of the posting to shock isolating pedestal.The utility model comprehensively utilizes magnetic levitation technology and level is completely cut off or controlled to shock isolating pedestal to horizontal earthquake action and Vertical Earthquake Loads, prevent from making superstructure shift or inclined danger due to Magnetic field inhomogeneity using barrel susceptor, the energy-saving effect under the conditions of tension, the function of antidumping and shock insulation using permanent magnet and electromagnets realization under the conditions of non-shock insulation.
Description
Technical field
The utility model is related to Architectural Equipment shock insulation and protection technology field, and in particular to a kind of based on electromagnetic suspension three
Dimension earthquake isolating equipment.
Background technology
Earthquake is one of common natural calamity, and the instrument and equipment of heavy damage building interior is understood in strong earthquake, causes
Huge economic losses.In terms of Architectural Equipment shock insulation, ball-type shock isolating pedestal, roller type shock isolating pedestal, dish-spring bearing are
Through comparative maturity and using than wide.But existing ball-type shock isolating pedestal, roller type shock isolating pedestal, slide block type shock insulation branch
Seat etc. is general only to consider horizontal earthquake action, considers very few for Vertical Earthquake Loads, therefore is only capable of weakening horizontal earthquake action,
Dish-spring bearing is only capable of reducing to a certain extent Vertical Earthquake Loads to building interior equipment safety by energy absorption
Threaten.The shock isolating pedestal of above-mentioned passive control can only one direction weaken geological process, and cannot completely completely cut off geological process, it is impossible to
Reach good isolating affection.Existing three-dimensional isolation device is nothing but using combination that is in parallel, connecting by traditional shock isolating pedestal
Form realizes three-dimensional isolation, this kind of combination certainly will cause that the isolating affection of earthquake isolating equipment is poor, cost is higher, size compared with
Greatly.
Magnetic suspended isolation is a kind of new active vibration isolation method.Theory of Electromagnetic Field shows：Between electromagnet and armature
Magneticaction and distance between the two square be inversely proportional, with electric current square, the number of turn square and air gap area into just
Than.For Architectural Equipment shock insulation, take magnetic levitation technology semi- active control simple, convenient, practical.At present, magnetic suspended isolation skill
Art Successful utilization to fields such as space flight, precision instrument, communications and transportation, but its technology is vibration isolation rather than shock insulation, and in soil
Shock insulation apparatus in wood engineering there is not yet with.
Application publication number is CN 101481933A, and Shen Qing Publication day is the Chinese utility model patent on July 15 in 2009
Application discloses a kind of construction structure shockproof method, when the method makes structure suspend under the conditions of normal leading using magnetic suspension repulsion,
Because magnetic field is uneven in itself, superstructure can be shifted or incline, but horizontal direction correction is not provided in the patent application
Measure, therefore metastable state is extremely difficult in shock insulation.
Utility model content
The purpose of this utility model is to provide a kind of three-dimensional isolation device based on electromagnetic suspension, can comprehensively utilize magnetcisuspension
Floating technology and level are controlled and weaken to shock isolating pedestal to Vertical Earthquake Loads and horizontal earthquake action, realize Architectural Equipment
Three-dimensional isolation.
To achieve the above object, a kind of three-dimensional isolation device based on electromagnetic suspension provided by the utility model, it is consolidated
Surely it is connected on Architectural Equipment chassis, it includes the barrel susceptor being fixed on the Architectural Equipment chassis, the base interior
The iron core for being provided with the wound around coil being fixed on the Architectural Equipment chassis, the permanent magnet being held on above the iron core, it is described
Permanent magnet has the vertical motion free degree of relative iron core；The base interior is provided with the annular pier for shelving posting,
Posting bottom surface opening and opening down it is fastened on the permanent magnet；Level is fixed with the top surface of the posting
To shock isolating pedestal.
Preferably, rubber blanket is provided between the iron core and permanent magnet, the rubber blanket is held on the pier.
Preferably, antifreeze plate is installed with the lateral surface of the barrel susceptor, on the medial surface of the barrel susceptor
It is installed with friction plate.
Preferably, the annular pier is arranged between the base internal wall and iron core, and the annular pier is to the iron
Core forms circumferential spacing.
Preferably, at least two are reserved on the posting logical along the symmetrical displacement transducer of posting center line
Road.
Preferably, it is installed with antifreeze plate on the top surface of the posting.
Preferably, it is to be fixedly connected between the posting and the permanent magnet.
Preferably, to shock isolating pedestal bolt connection on the top surface of posting, the level is to shock isolating pedestal for the level
Top surface of the bottom surface above pedestal.
Preferably, the level to shock isolating pedestal using roller type shock isolating pedestal or ball-type shock isolating pedestal or slide block type every
Shake bearing.
A kind of three-dimensional isolation device based on electromagnetic suspension that above-mentioned technical proposal is provided, has the advantages that：
1st, barrel susceptor is devised, in the course of the work because magnetic field is uneven in itself, superstructure suspends electromagnetic suspension earthquake isolating equipment
When be susceptible to offset or incline, be extremely difficult to metastable state, can be effectively improved superstructure by setting barrel susceptor
Level is to offseting or incline this phenomenon；2nd, due under normal sliver part it is simple using repulsion device to the performance requirement of electromagnet compared with
Height, the size and cost that can make device using permanent magnet and electromagnets significantly reduces：Under the conditions of non-shock insulation, permanent magnet with
There is suction in iron core, earthquake isolating equipment is had tension, the function of antidumping, and under the conditions of shock insulation, permanent magnet produces reprimand with iron core
Power, makes earthquake isolating equipment have energy-saving effect；3rd, with good vertical earthquake isolating function, when seismic signal is received, coil is certainly
Dynamic to be powered, the repulsion produced with iron core by permanent magnet causes that superstructure departs from and is contacted with Architectural Equipment chassis, is suspended in the air,
And hoverheight is adjusted by control electric current size in good time, it is ensured that superstructure is in suspended state all the time, from without by vertical
The influence of geological process；4th, with good level to shock insulation function, when occurred level geological process, by can occur compared with
To shock isolating pedestal, basic guarantee superstructure is not influenceed the level of big horizontal distortion by horizontal earthquake action；By above-mentioned effective
The three-dimensional isolation of Architectural Equipment is realized in measure, reduces the damage that earthquake brings to the mankind.
Brief description of the drawings
Fig. 1 is the structural representation of the three-dimensional isolation device based on electromagnetic suspension of embodiment of the present utility model 1；
Fig. 2 is the structure sectional view of the three-dimensional isolation device based on electromagnetic suspension of embodiment of the present utility model 1；
Fig. 3 is the Structure explosion diagram of the three-dimensional isolation device based on electromagnetic suspension of embodiment of the present utility model 1；
Fig. 4 is the structure sectional view of the three-dimensional isolation device based on electromagnetic suspension of embodiment of the present utility model 2.
Wherein, 1- Architectural Equipments chassis, 2- pedestals, 3- coils, 4- iron cores, 5- permanent magnets, 6- postings, 7- piers, 8-
Level is to shock isolating pedestal, 9- rubber blankets, 10- antifreeze plates, 11- friction plates, 12- displacement transducer passages, 13- supporting members.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to scope of the present utility model.
A kind of three-dimensional isolation device based on electromagnetic suspension provided by the utility model is repulsion type semi- active control magnetic
Hovering three dimensional earthquake isolating equipment, using a kind of new semi-active type shock isolation method, under Vertical Earthquake Loads, focus sets with building
The magnetic field repulsive force that is formed with electromagnets with permanent magnet between standby is supported, and according to the vertical acceleration of earthquake, line is adjusted in good time
The electric current of circle, controls hoverheight, so as to reach the purpose of vertical earthquake isolating；Under horizontal earthquake action, focus and Architectural Equipment
Between using level to shock isolating pedestal completely cut off, so as to reach reduce horizontal vibrating purpose.The utility model is applicable to building
Interior instrument base-isolated equipment, the Architectural Equipment is including large-scale information data center, disaster relief command centre, hospital, museum etc.
Non-interruptible precision instrument and equipment, historical relic being placed on flooring or table top etc., the utility model is to Architectural Equipment in earthquake
It is normal using and safety there is great protective effect.
Embodiment 1
Refer to accompanying drawing 1,2,3, a kind of three-dimensional isolation device based on electromagnetic suspension provided by the utility model, it is consolidated
Surely it is connected on Architectural Equipment chassis 1, it includes being fixed on the One On The Chassis barrel susceptor 2 of the Architectural Equipment.The pedestal 2
Inside is provided with the iron core 4 for being fixed on the One On The Chassis wound around coil 3 of the Architectural Equipment, the permanent magnetism for being held on the top of the iron core 4
Body 5, the permanent magnet 5 has the vertical motion free degree of relative iron core 4.It is provided with inside the pedestal 2 for shelving posting 6
Annular pier 7, the annular pier 7 is fixed between the inwall of pedestal 2 and iron core 4, can be not only used for shelving posting 6, and energy
Play the circumferential position-limiting action to iron core 4.The bottom surface opening of the posting 6 and it is opening down be fastened on the permanent magnet 5,
For being fixed to the permanent magnet 5.It is preferred that being relatively-stationary between the posting 6 and the permanent magnet 5
Connection, the permanent magnet 5 is welded or is adhesively fixed in the installation position of posting 6.In the present embodiment, the permanent magnet 5
Can be using neodymium iron boron series.
Level is fixed with the top surface of the posting 6 to shock isolating pedestal 8.In the present embodiment, the level is to shock insulation
Bearing 8 uses roller type shock isolating pedestal.The roller type shock isolating pedestal in the present embodiment belongs to the shock isolating pedestal of prior art,
Its internal structure and its function are not described in detail herein.The level is to the bolt connection of shock isolating pedestal 8 in posting 6
On top surface, top surface of the bottom surface above pedestal 2 from the level to shock isolating pedestal 8.The level is high to the bottom surface of shock isolating pedestal 8
For the top surface of pedestal 2.Especially when seismic loading, level is to the top surface that the bottom of shock isolating pedestal 8 is higher than pedestal 2.
It is adhesively fixed on the top surface of the posting 6 or screw is fixed with antifreeze plate 10.The antifreeze plate 10 can using stainless steel every
Magnetic material (such as composition is 1Cr18Ni9Ti), for completely cutting off electromagnetic pollution, makes the present apparatus can be applied to various places, eliminates people
Misgivings to producing electromagnetic pollution during the device use.At least two are reserved on the posting 6 along posting center line pair
Claim the displacement transducer passage 12 of distribution, institute's displacement sensors passage 12 is for installing displacement transducer.
In the present embodiment, the three-dimensional isolation device based on electromagnetic suspension is applied to Architectural Equipment shock insulation, described to build
Build equipment chassis 1 can be for install or lay Architectural Equipment basis or base, described device top be with level to
The building bearing component that shock isolating pedestal 8 is fixedly connected.
Refer to accompanying drawing 2, be provided with rubber blanket 9 between the iron core 4 and permanent magnet 5, the rubber blanket 9 be adhesively fixed or
Person's screw is fixed on the annular pier 7.Rubber sheet gasket ensure that and keep certain spacing between two iron cores before energization,
Because hypotelorism shows as suction between two iron cores after avoiding being powered, enable three-dimensional isolation device using the repulsion between two iron cores
Smoothly realize the suspension of superstructure.
It is adhesively fixed on the lateral surface of the barrel susceptor 2 or screw is fixed with antifreeze plate 10, the barrel susceptor 2
It is adhesively fixed on medial surface or screw is fixed with friction plate 11.The friction plate 11 can use plastic material, such as polytetrafluoro
Ethene.The friction plate 11 is relatively fixed with pedestal 2, and the friction plate 11 is contacted with posting 6 but do not fixed, it is ensured that top fills
Put up and down flexibility.It is pointed out that referring in electromagnetic repulsion force effect in the upper unit mentioned in embodiment
The lower part that can be suspended, specifically includes antifreeze plate 10, the permanent magnet 5, level on posting 6, posting 6 to shock isolating pedestal
8。
The iron core 4 of the wound around coil 3 uses U-shaped or E types or I shaped iron cores.To ensure that iron core 4 is produced with permanent magnet 5
The enough repulsion of life, the electric current that the coil 3 is passed through is direct current, is led or superconduction realization suspension using normal.
In actual applications, the design of the three-dimensional isolation device based on electromagnetic suspension of the present utility model is needed according to equipment
The upper unit deadweight such as deadweight and permanent magnet, calculates the repulsion needed for floating upper unit, is managed by electromagnetic field according to repulsion size
By design coil 3, iron core 4, permanent magnet 5, with ensure suspension spacing as 30mm and more than；Need according to equipment self-weight and permanent magnet
Deng upper unit deadweight, the horizontal force that barrel susceptor 2 needs to bear is calculated, ribbed stiffener can be set the surrounding of pedestal 2 as needed, protected
Card pedestal will not be destroyed under horizontal earthquake action；According to the deadweight of the upper units such as equipment self-weight and permanent magnet, pier is designed
7；Magnetic force size and leakage field situation etc. are produced according to device, antifreeze plate 10 is designed；According to iron core 4, permanent magnet 5 and pedestal 2 it
Between distance and frictional force, design friction plate 11 and posting 6；Need according to upper units such as equipment self-weight and permanent magnets certainly
Weight, iron core 4 and initial repulsion, the suspension spacing of permanent magnet 5, design the thickness of rubber blanket 9；Need according to equipment self-weight and permanent magnetism
The upper units such as body are conducted oneself with dignity, and the suspension repulsion of iron core and permanent magnet and inside need fixed permanent magnet 5, Design Orientation frame 6,
And according to the reserved displacement transducer passage 12 of displacement transducer size；Conducted oneself with dignity according to Architectural Equipment, multiple electromagnetism can be taken to hang
Floating earthquake isolating equipment mode in parallel, common support Architectural Equipment deadweight.
The reliability of iron core 4 first should be fixed on Architectural Equipment bottom by the three-dimensional isolation device based on electromagnetic suspension in construction
On disk 1, the wound around coil 3 on iron core 4, and by the secured core 4 of pier 7；The rubber blanket 9 for designing is placed on pier 7；Profit
It is held on rubber blanket 9 with the fixed permanent magnet 5 of posting 6 and by posting 6；Processing pedestal 2, and it is solid inside pedestal 2
Dingan County fills friction plate 11, and antifreeze plate 10 is installed in the external stability of pedestal 2；In the top of posting 6 fixed installation antifreeze plate 10, and determine
Two displacement transducer passages 12 are at least symmetrically reserved on the frame 6 of position, displacement transducer is secured in place in displacement sensor passage 12；
Antifreeze plate 10 and level reserve connecting hole to shock isolating pedestal 8 on posting 6, posting 6, are bolted mode by water
Put down and be fixed on the top of posting 6 to shock isolating pedestal 8；Supporting member from level to the top fixed building equipment of shock isolating pedestal 8；Peace
Dress acceleration monitoring device switch；Displacement current controller is installed；Switch on power.
Three-dimensional isolation device based on electromagnetic suspension of the present utility model in actual applications, is believed when vertical vibrations are received
Number when, acceleration monitoring device switch open power supply, magnet coil 3 is powered, and iron core 4 and permanent magnet 5 produce larger repulsion at once,
Upper unit integrally departs from and is contacted with ground.Pedestal 2 plays stabilization to permanent magnet 5 in uphill process and under suspended state,
Permanent magnet 5 is set not misplace in working order.Friction plate 11 can reduce the friction between posting 6 and pedestal 2, reduce extraneous
Input energy.The data of vertical seismic action are monitored according to displacement transducer, by displacement current controller real-time adjustment magnet coil 3
Size of current, i.e., when vertically there is upward displacement, displacement current controller reduce electric current, make suspension distance reduce；When perpendicular
During to there is downward displacement, displacement current controller increase electric current makes suspension distance increase, it is ensured that can isolate or weaken perpendicular
Influence to earthquake to upper unit.Meanwhile, level completely cuts off horizontal earthquake action to shock isolating pedestal 8.By semi- active control with
Three-dimensional isolation, realize upper unit level to vertically only have minimum or even zero acceleration.When earthquake stops, reducing coil
Electric current in 3 so that the permanent magnet 5 of suspension slowly returns to original state, and so far three-dimensional isolation working condition terminates.
Embodiment 2
Refer to accompanying drawing 4, the difference part of the present embodiment and embodiment 1 is, the level in the present embodiment to every
Shake bearing 8 uses ball-type shock isolating pedestal.The friction-pendulum shock-insulation support in the present embodiment belongs to the shock insulation branch of prior art
Seat, is not described in detail to its internal structure and its function herein.In other embodiment of the present utility model, the level
Can be using slide block type shock isolating pedestal or the shock isolating pedestal of other same or similar functions to shock isolating pedestal 8.
The above is only preferred embodiment of the present utility model, it is noted that for the ordinary skill people of the art
Member for, on the premise of the utility model know-why is not departed from, some improvement and replacement can also be made, these improve and
Replacement also should be regarded as protection domain of the present utility model.
Claims (9)
1. a kind of three-dimensional isolation device based on electromagnetic suspension, it is fixedly connected on Architectural Equipment chassis, it is characterised in that its
Including the barrel susceptor being fixed on the Architectural Equipment chassis, the base interior is provided with and is fixed on the Architectural Equipment chassis
On wound around coil iron core, the permanent magnet that is held on above the iron core, the permanent magnet has the vertical fortune of relative iron core
The dynamic free degree；The base interior is provided with the annular pier for shelving posting, posting bottom surface opening and opening court
It is fastened on lowerly on the permanent magnet；Level is fixed with the top surface of the posting to shock isolating pedestal.
2. the three-dimensional isolation device of electromagnetic suspension is based on as claimed in claim 1, it is characterised in that the iron core and permanent magnet
Between be provided with rubber blanket, the rubber blanket is fixedly installed on the pier.
3. the three-dimensional isolation device of electromagnetic suspension is based on as claimed in claim 1, it is characterised in that outside the barrel susceptor
Antifreeze plate is installed with side, friction plate is installed with the medial surface of the barrel susceptor.
4. the three-dimensional isolation device of electromagnetic suspension is based on as claimed in claim 1, it is characterised in that the annular pier is set
Between the base internal wall and iron core, the annular pier forms circumferential spacing to the iron core.
5. the three-dimensional isolation device of electromagnetic suspension is based on as claimed in claim 1, it is characterised in that reserved on the posting
At least two along the symmetrical displacement transducer passage of posting center line.
6. the three-dimensional isolation device of electromagnetic suspension is based on as claimed in claim 1, it is characterised in that the top surface of the posting
On be installed with antifreeze plate.
7. the three-dimensional isolation device based on electromagnetic suspension as claimed in claim 1, it is characterised in that the posting with it is described
It is fixedly connected between permanent magnet.
8. the three-dimensional isolation device of electromagnetic suspension is based on as claimed in claim 1, it is characterised in that the level is to shock insulation branch
Seat bolt connection on the top surface of posting, top surface of the bottom surface above pedestal from the level to shock isolating pedestal.
9. the three-dimensional isolation device based on electromagnetic suspension as any one of claim 1-8, it is characterised in that the water
Put down and use roller type shock isolating pedestal or ball-type shock isolating pedestal or slide block type shock isolating pedestal to shock isolating pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621373882.7U CN206279841U (en) | 2016-12-14 | 2016-12-14 | A kind of three-dimensional isolation device based on electromagnetic suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621373882.7U CN206279841U (en) | 2016-12-14 | 2016-12-14 | A kind of three-dimensional isolation device based on electromagnetic suspension |
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| Publication Number | Publication Date |
|---|---|
| CN206279841U true CN206279841U (en) | 2017-06-27 |
Family
ID=59072562
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621373882.7U Active CN206279841U (en) | 2016-12-14 | 2016-12-14 | A kind of three-dimensional isolation device based on electromagnetic suspension |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106760843A (en) * | 2016-12-14 | 2017-05-31 | 广州大学 | A kind of three-dimensional isolation device based on electromagnetic suspension |
| CN112267593A (en) * | 2020-11-24 | 2021-01-26 | 金陵科技学院 | Permanent magnet suspension active driving quality device |
| CN115233855A (en) * | 2022-09-22 | 2022-10-25 | 兰州理工大学 | Engineering structure damping device |
-
2016
- 2016-12-14 CN CN201621373882.7U patent/CN206279841U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106760843A (en) * | 2016-12-14 | 2017-05-31 | 广州大学 | A kind of three-dimensional isolation device based on electromagnetic suspension |
| CN112267593A (en) * | 2020-11-24 | 2021-01-26 | 金陵科技学院 | Permanent magnet suspension active driving quality device |
| CN115233855A (en) * | 2022-09-22 | 2022-10-25 | 兰州理工大学 | Engineering structure damping device |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Heyuan Yunyuan Information Technology Co.,Ltd. Assignor: Guangzhou University Contract record no.: X2022440000193 Denomination of utility model: A three-dimensional isolation device based on electromagnetic levitation Granted publication date: 20170627 License type: Common License Record date: 20220927 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: GUANGDONG RIYUETAN POWER SUPPLY TECHNOLOGY CO.,LTD. Assignor: Guangzhou University Contract record no.: X2022980018380 Denomination of utility model: A three-dimensional isolation device based on electromagnetic levitation Granted publication date: 20170627 License type: Common License Record date: 20221014 |
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Assignee: Guangzhou Fenghua Technology Co.,Ltd. Assignor: Guangzhou University Contract record no.: X2022980028264 Denomination of utility model: A three-dimensional vibration isolation device based on electromagnetic levitation Granted publication date: 20170627 License type: Common License Record date: 20230104 Assignee: Guangdong Renda Biotechnology Co.,Ltd. Assignor: Guangzhou University Contract record no.: X2022980026481 Denomination of utility model: A three-dimensional vibration isolation device based on electromagnetic levitation Granted publication date: 20170627 License type: Common License Record date: 20230104 |
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Assignee: Foshan Kayin building materials Co.,Ltd. Assignor: Guangzhou University Contract record no.: X2022980028047 Denomination of utility model: A three-dimensional vibration isolation device based on electromagnetic levitation Granted publication date: 20170627 License type: Common License Record date: 20230105 |
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Assignee: Wuxi linmeng Wulian Technology Co.,Ltd. Assignor: Guangzhou University Contract record no.: X2023980031872 Denomination of utility model: A three-dimensional vibration isolation device based on electromagnetic levitation Granted publication date: 20170627 License type: Common License Record date: 20230208 |
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