CN2627729Y - Battery feed available low voltage source magnetic levitation system - Google Patents
Battery feed available low voltage source magnetic levitation system Download PDFInfo
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- CN2627729Y CN2627729Y CN 03255661 CN03255661U CN2627729Y CN 2627729 Y CN2627729 Y CN 2627729Y CN 03255661 CN03255661 CN 03255661 CN 03255661 U CN03255661 U CN 03255661U CN 2627729 Y CN2627729 Y CN 2627729Y
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Abstract
A battery-powered low-voltage magnetic levitation device comprises a magnetic levitation electromagnetic element, a floating body, a sensor, a rotating system, a control system, a rack cabinet and other components. The utility model is characterized by adopting low-voltage control, low powder consumption design and corresponding component, and using AC-DC low voltage source including battery case; the floating body can conduct magnetic levitation in space without support and can automatically rotate; under the situation of no or separation from external AC power supply, the magnetic levitation device can use self-fitted low voltage battery, stably run for a long time, with functions of automatic rechargeable battery charging and power-off protection, as well as having characteristics of good portability, multiple functions and high performance. The suitable floating body can be of various types, such as various balls, advertisement exhibits, toys, figural marking products, decoration artworks, sculptured shape and others; the corresponding rack cabinet can also be of various types.
Description
Technical field:
The utility model relates to magnetic levitation system, particularly a kind of can battery-powered low-voltage source magnetic levitation system.
Background technology:
Utility model people has since nineteen ninety-nine successively proposed multinomial patent application around magnetic levitation system: as the control system of magnetic levitation system, magnetic levitation system and control system thereof and large magnetic suspension device, magnetic levitation system and control system thereof have been done a large amount of descriptions.Generally speaking, magnetic levitation system comprises the buoyancy aid that is provided with suspension permanent magnet and rotating permanent magnet; The magnetic suspension main structure that constitutes by the iron core that is wound with solenoid, magnetic suspension magnetic induction master reference and control circuit thereof; Rotate the buoyancy aid automatic rotating system that magnetic induction sensor and rotating electromagnetic coil and control circuit thereof constitute by at least one pair of, power supply and frame casing five parts that supply power supply, control circuit are installed are formed, lay a good foundation for the basic structure of magnetic levitation system, but it also has further perfect necessity.For example, it is natural that magnetic levitation system need be powered, but above-mentioned magnetic levitation system not only needs extraneous ac power supply, and supply power voltage is still than higher, generally all more than 12V, power consumption is also not little, and difficult employing low-voltage, low power battery are made power supply, and therefore portable magnetic levitation system is still waiting exploitation.
Summary of the invention:
The technical problems to be solved in the utility model is to overcome the deficiency of above-mentioned background technology, a kind of low-voltage source magnetic levitation system is provided, this magnetic levitation system should be able to be able to carry out stable work under the situation of battery-powered low-voltage source power supply, and power consumption is little.
Magnetic levitation system of the present utility model should have portable multi-function characteristics, and volume is little, and supply power voltage is low as far as possible, and power consumption is low, and power saving is even but the low power battery of employing low-voltage also stably move by the long period.
Technical solution of the present utility model is as follows:
A kind of can battery-powered low-voltage source magnetic levitation system, comprise that one is provided with the buoyancy aid of magnetic suspension permanent magnet body and rotating permanent magnet, the frame casing, in in it by having adorned the magnetic suspension electromagnetic device of forming by solenoid and iron core, the magnetic suspension master reference, at least one rotation sensor, at least one rotating electromagnetic coil, power supply and control circuit also are installed in the frame casing, it is characterized in that:
1. adopt small-sized linear magnetic inductive transducer to make the magnetic suspension master reference, be flat on the place, lower surface or the bottom of the iron core that is with solenoid of magnetic suspension electromagnetic device, combining closely forms the combined magnetic suspension main structure of efficient feedback magnetic;
2. described buoyancy aid is the lightweight thin walled shell, and a high-strength magnetic suspension permanent magnet body of neodymium iron boron is posted in the inwall embedding that its top center of gravity line passes;
3. at least one rotating permanent magnet pasted in described buoyancy aid inwall embedding, at the panel inner wall of frame casing the rotary system of efficient energy regenerative is installed, it comprises at least one rotation sensor and at least one rotating electromagnetic coil, and they all should be corresponding with the rotating permanent magnet in the buoyancy aid;
4. described power supply is the low-tension supply that comprises the AC/DC of battery case, and described control circuit is the control circuit of low-voltage source low-power consumption.
Described iron core lower end has downward opening cylindrical cavity or pit, described small-sized magnetic induction sensor lies in this cylindrical cavity or the pit, and this small-sized magnetic induction sensor can adopt magnetodiode, magnetic sensitive transistor, mistor, Hall element or the Hall element integrated circuit component of small-sized linearity.
Described iron core is a screw-shaped, its cylindrical cavity is the pit of iron screw terminal lower end, also can be that iron nut major part is screwed into that screw rod, fraction are not screwed into as yet and the cylindrical cavity that forms, described magnetic suspension solenoid be to select for use thicker lead to turn to circular low-resistance coil tightly to be enclosed within on this its bar.
The iron core of described magnetic suspension electromagnetic device is a transverse arm shape, and its core has magnetic conductive head vertically downward, and this magnetic conductive head also can be a screw-shaped, outwards puts on display many (〉=2) transverse arms, every each sheathed solenoid of transverse arm from the center.
The upper surface of described iron core and solenoid is equipped with iron plate or the flat permanent magnet that strengthens magnetic, and iron plate also can become irony bell shape loam cake.
Described rotation sensor can adopt linearity or switching mode magnetic induction sensor element or tongue tube; Described rotating electromagnetic coil should adopt thinner enamelled wire close around forming, and also can add iron core or magnetic core in this rotating electromagnetic coil.
The place that the center of gravity line of described buoyancy aid lower end passes installs one axially the perpendicular rotating permanent magnet of putting of two sides, correspondingly in the panel of frame casing, be laid with at least one rotation sensor and at least one rotating electromagnetic coil of placing vertically on the circumference that is projected as the center of circle with the center of gravity line of buoyancy aid, it can cored or magnetic core, if rotation sensor is to adopt tongue tube, should be equipped with a kind of " magnetic field environment ", promptly be that a fritter permanent magnet is placed near the tongue tube.
Center of gravity line place in the base table top of described buoyancy aid below frame casing horizontal one more microscler can be cored or the rotating electromagnetic coil of magnetic core, two sides that it is axial are corresponding to axial two sides of the perpendicular permanent magnet of putting of the buoyancy aid bottom of top.
Described power supply is the AC/DC low-voltage source that comprises battery case; except that the battery case of the battery of placing total voltage 〉=4.5V, also be provided with charger, power-off protector, low-voltage power of alterating and direct current, attaching plug, alternating current-direct current low-tension supply plug and socket to rechargeable battery.
The formation of magnetic suspension main control circuit is: utilize the linear hall sensor integrated circuit component to make magnetic suspension magnetic induction master reference, this Hall element one pin connects positive source, and another pin connects power cathode, and its output is both through resistance R
1Connect integrated circuit (IC)
1Negative input end, again through a resistance R
5Connect integrated circuit (IC)
3Positive input terminal, IC
1Positive input through resistance R
4Meet potentiometer W
1Centre tap, this potentiometer W
1A termination power positive pole, another termination power cathode, IC
1Output through resistance R
6Meet IC
2Positive input terminal, IC
2Negative input end connecting resistance R
7With resistance W
2Node, R
7Another termination positive source, W
2Other end connection circuit negative pole, IC
2The pwm signal of output output through resistance R
8Meet triode BG
1Base stage, its collector electrode links to each other with positive source by magnetic suspension solenoid L, its emitter connects power cathode, IC
3Output terminating diode D
1Negative pole, D
1Anodal connecting resistance R
6And IC
2The node of positive input.
Described can battery-powered low-voltage source magnetic levitation system, it is characterized in that:
1. described buoyancy aid is a lightweight shell tellurion, and a high-strength permanent magnet of oblate neodymium iron boron is posted in the inwall embedding that its top center of gravity line passes; The place that its lower end center of gravity line passes installs a perpendicular neodymium iron boron of putting and rotates high-strength permanent magnet;
2. a described cabinet base extends two stands with being bent upwards, a stent support one electromagnetism box wherein, one screw-shaped iron core is set in it, be with oblate low-resistance magnetic suspension solenoid that a usefulness turns to than heavy gauge wire on its screw rod tightly, the smooth Hall element integrated circuit component that is provided with in the pit of this screw-shaped iron core lower end, the loam cake of this electromagnetism box is the bell jar structure of an irony, and its lower cover is that nonmagnetic substance available copper or plastics are made;
3. described support is that hollow pipe is made, and the outer ring that also is provided with a buoyancy aid is fixed on the horizontal ring of support longitudinal middle part, forms a frame hurdle structure; It has decoration function, can be by putting a little small-sized objects on the horizontal ring;
4. be installed on the rotating electromagnetic coil of rotation sensor and setting in described base departs from the panel of buoyancy aid center of gravity line, it can cored or magnetic core.
Described can battery-powered low-voltage source magnetic levitation system, it is characterized in that:
The base of a 1. described casing is a slim casing, this casing is provided with the model at a goal, be provided with transverse arm shape iron core in the crossbeam at this goal, its core has magnetic conductive head vertically downward, a Hall element integrated circuit component has been sticked in the pit of this magnetic conductive head lower end, the top of this magnetic conductive head can also be equipped with the flat magnet steel, this transverse arm shape iron core prolongs the goal and outwards puts on display two transverse arm iron cores from the center, each sheathed tightly one horizontal magnetic suspension solenoid of this two transverse arms iron core can also be equipped with the iron plate that increases magnetic action on the horizontal end face in the outside of this transverse arm iron core and solenoid;
2. described buoyancy aid is a thin-shell type prototype soccerballs, and a high-strength permanent magnet of oblate neodymium iron boron is posted in the inwall embedding that its top center of gravity line passes, and the place that its lower end center of gravity line passes installs a perpendicular neodymium iron boron of putting and rotates high-strength permanent magnet;
3. the local horizontal microscler rotating electromagnetic coil that the football center of gravity line passes in the casing table top can be equipped with iron core or magnetic core in this coil, at the side of this rotating electromagnetic coil, is provided with the rotation magnetic induction sensor;
4. the AC/DC low-voltage source and the low power consumpting controling circuit plate that comprise battery case are installed in casing, place the battery of total voltage 〉=4.5V in the battery case, also be provided with charger and power-off protector.
Technique effect of the present utility model:
1. the utility model has been introduced magnetic levitation system with the small-sized linear magnetic inductive transducer that can be designed to operate as normal under very low voltage, because they have the characteristic of the little and good magnetic induction efficient of volume, thereby the iron core lower surface that can be installed in the electromagnetic device of magnetic suspension main structure is dexterously located or the bottom, combine closely and form the combined magnetic suspension main structure of efficient feedback magnetic, particularly be installed in the cylindrical cavity of iron core, more can be direct, accurately, distance between perception iron core lower surface and the suspension permanent magnet reliably, can make the suspended state of buoyancy aid more stable by the cleverer position of controlling buoyancy aid sensitively of control circuit;
2. owing to adopted more satisfactory hall sensor to lie in the cylindrical cavity of iron core as small-sized linear magnetic inductive transducer, the upper surface of this Hall element is towards iron core, lower surface is towards the magnetic suspension permanent magnet body at buoyancy aid top, below, during this Hall element work, on, following two side faces magnetic induction takes place simultaneously, thereby output signal is the result of the comprehensive function of these two kinds of magnetic induction, after custom-designed circuit amplifies, transfer to power tube with pwm signal, exciting curent in the magnetic suspension solenoid is impulse waveform, then power tube is in " switch " state, help like this to cut down the consumption of energy significantly, can not add and use radiator, also effectively cut down the consumption of energy for magnetic levitation system, reduced volume has been created condition with reducing cost;
3. in addition, also taked much to have the measure of economize on electricity, consumption reduction, for example buoyancy aid adopts the lightweight shell structure; Suspension permanent magnet and rotating permanent magnet all adopt the high-strength permanent magnet of neodymium iron boron; Also be equipped with material or the permanent magnet that strengthens magnetic at iron core and solenoid upper end; Add iron core or magnetic core in the rotating electromagnetic coil;
4. the experiment proved that; power supply of the present utility model has 〉=and the battery of 4.5V can carry out low-voltage direct current supply to magnetic levitation system; work reaches several hours; low-voltage source of the present utility model is the friendship that comprises battery case; the low-tension supply of DC dual-purpose; the internal battery charger; power-off protection; the Alternating Current Power Supply place is being arranged; adopt Alternating Current Power Supply by plugs and sockets; during use; can during outage, can utilize the fast automatic input power supply of built-in battery again simultaneously to the built-in rechargeable battery charging; the utility model magnetic levitation system in the same old way can operate as normal, reaches ideal effect.
Description of drawings:
Fig. 1 is the structural representation that the utility model can battery-powered low-voltage source magnetic levitation system embodiment 1.
Fig. 2 is the structural representation that the utility model can battery-powered low-voltage source magnetic levitation system embodiment 2.
Fig. 3 is that the utility model can battery-powered low-voltage source magnetic suspension governor circuit schematic diagram.Among the figure:
The oblate solenoid of 1-magnetic suspension screw-shaped iron core 2-magnetic suspension
3-iron cover loam cake 4-lower cover (nonferromagnetic material)
5-linear hall sensor integrated circuit spare 6-magnetic suspension Nd-Fe-B permanent magnet
The horizontal ring of 7-buoyancy aid (tellurion etc.) 8,8 '-hollow pipe holder 9-
10-erects rotating permanent magnet 11-rotation sensor
12-erects rotating electromagnetic coil 13-base
The horizontal magnetic suspension solenoid of 14-transverse arm shape both arms iron core 15-
The flat magnet steel of 16-transverse arm iron core magnetic conductive head 17-iron sheet (plate) 18-
The iron core 21-control circuit board that the horizontal rotating electromagnetic coil of 19-20-is horizontal
22-battery case 23-battery charger 24-power-off protector
25-ac low-voltage power supply 26-attaching plug (external power)
27-ac low-voltage power supply plug 28-ac low-voltage power supply socket 29-goal frame
30-casing 31-prototype soccerballs buoyancy aid 32-mains switch (2 * 2)
33-power supply indicator 34-working station indicator
Embodiment:
The utility model is described in further detail below by embodiment and accompanying drawing thereof, but should not limit protection range of the present utility model with this.
The utility model, a kind of magnetic levitation system that can battery-powered low-voltage source, it must have low-power consumption, multi-function and portable design feature, specifically, this magnetic levitation system must solve following problem and make it: supply power voltage will hang down as far as possible, to reduce the quantity of battery, reduce volume and weight, reduce cost; Reduce power consumption, power saving, the employing low-power battery also can make buoyancy aid suspend and rotate around its center of gravity line, and moves the long period ideally.For this reason, the utility model has adopted: the combined magnetic suspension main structure of efficiently presenting magnetic; The efficient energy regenerative of the magnetic force of rotary system system; Low-voltage control circuit and adopt still operable components and parts under low-voltage very; Realize optimizing the multi-function property under the performance.
At first see also Fig. 1, Fig. 1 is the structural representation that the utility model can be used powered battery potential source magnetic levitation system embodiment 1.As seen from the figure, the utility model can battery-powered low-voltage source magnetic levitation system embodiment 1 buoyancy aid be the tellurion 7 of a lightweight shell, the inwall embedding that its top center of gravity line passes is posted a high-strength permanent magnet 6 of neodymium iron boron and is made the suspension permanent magnet, and the place that its lower end center of gravity line passes is equipped with a perpendicular high-strength permanent magnet of putting 10 of neodymium iron boron and makes rotating permanent magnet.
The base 13 of this device extends two stands 8,8 ' with being bent upwards, wherein a support 8 supports an electromagnetism box, one screw-shaped iron core 1 is set in it, be with a usefulness on its lead screw tightly and make solenoid 2 than the oblate low resistance coil of heavy gauge wire coiling, a Hall element integrated circuit component 5 is sticked in the pit of the lower end of this screw-shaped iron core 1, the loam cake 3 of this electromagnetism box is the one-tenth bell shape of irony, its objective is the electromagnetic force that increases iron core 1, and its lower cover 4 is made by nonmagnetic substance.
Described support 8,8 ' is made by hollow pipe, and be provided with a horizontal ring 9 of the outer ring of decoration function, can place small-sized car mould, toy, image product etc. on it, in the panel of described base 13, the place of departing from buoyancy aid 7 center of gravity line is mounted with the rotating electromagnetic coil 12 of corresponding rotation sensor 11 and setting, the rotating permanent magnet 10 of the setting of they and buoyancy aid 7 or other buoyancy aid lower ends interacts off and on, promotes tellurion 7 and rotates for axle around center of gravity line.The control circuit of described low-voltage source and Low-voltage Low-power all is installed in the base 13, and is not shown in the figures.
Utilize linear hall sensor integrated circuit component 5 to make the magnetic suspension inductive pick-up, its downside is subjected to the magnetic field induction of the upper side of the magnetic suspension permanent magnet body on the buoyancy aid of below, its upper side is subjected to the magnetic induction of the electromagnetic field of iron core above it, these two synergy, the sensing voltage signal of being exported, after amplifying, form pwm signal and transfer to power tube, form the impulse waveform exciting curent in the magnetic suspension solenoid, and power tube is in " switch " magnifying state, has reduced heating significantly, thereby effectively reduces power consumption, reach electric energy-saving effect, above control all belongs to low-voltage source and low-voltage control, the control circuit schematic diagram of this magnetic suspension main structure as shown in Figure 3, its operation principle is as follows: these Hall element 5 one pin connect positive source, another pin connects power cathode, and its output is both through resistance R
1Connect integrated circuit (IC)
1Negative input end 1 again through a resistance R
5Connect integrated circuit (IC)
3Positive input terminal, IC
1Positive input through resistance R
4Meet potentiometer W
1Centre tap, this potentiometer W
1A termination power positive pole, another termination power cathode, IC
1Output through resistance R
6Meet IC
2Positive input terminal, IC
2Negative input end connecting resistance R
7With resistance W
2Node, R
7Another termination positive source, W
2Other end connection circuit negative pole, IC
2The pwm signal of output output through resistance R
8Meet triode BG
1Base stage, its collector electrode is by solenoid L
12Link to each other with positive source, its emitter connects power cathode, this IC
3Output terminating diode D
1Anodal connecting resistance R
6And IC
2The node of positive input.Because of pwm signal behind power amplifier, in coil L12, form the impulse wave electric current, then power tube is in " switch " state, has reduced hear rate.
Fig. 2 is the structural representation of the utility model device embodiment 2, be that a buoyancy aid football 31 is suspended in the model among the football pitch 29, it is by the casing 30 of displayed scene effect, goal frame 29 and prototype soccerballs 31 constitute, establish a goal frame 29 on the casing 30, be provided with transverse arm shape iron core 14 in the crossbeam of goal frame, its core has magnetic conductive head 16 vertically downward, the smooth linear hall sensor integrated circuit component 5 of establishing in the pit of these magnetic conductive head 16 lower ends, the top of this magnetic conductive head 16 can be equipped with the flat magnet steel 18 that increases magnetic force, this transverse arm shape iron core 14 outwards stretches two transverse arm iron cores and each sheathed tightly one horizontal magnetic suspension solenoid 15 from the center along door frame, place, horizontal side in the outer end of this solenoid 15 and two transverse arm iron cores 14 can also be equipped with iron plate 17, its purpose all is in order to increase magnetic force, to reduce power consumption.
In order to adapt to the requirement of low-voltage source low-power consumption, described buoyancy aid football 31 adopts lightweight shell material to reduce deadweight.A high-strength permanent magnet 6 of oblate neodymium iron boron is posted in the inwall embedding that its top center of gravity line passes, the place that its lower end center of gravity line passes installs a perpendicular neodymium iron boron of putting and rotates high-strength permanent magnet 10, a local horizontal microscler rotating electromagnetic coil 19 that in casing 30 table tops, passes simultaneously along football 31 center of gravity line, this coil can wear an iron core 20, match with this rotating electromagnetic coil 19, establish a rotation magnetic induction sensor 11.
Described rotation magnetic induction sensor 11 can adopt magnetic induction sensor, and as linear magnetodiode, magnetic sensitive transistor, mistor, Hall element, described rotating electromagnetic coil 19 should adopt thinner enamelled wire close around forming.Rotation sensor 11 be subjected to football buoyancy aid 31 rotating permanent magnet 10 magnetic induction and send effective transducing signal, through oversampling circuit, give rotating electromagnetic coil feeding electric current and send electromagnetic field, act on the rotating permanent magnet 10 of buoyancy aid, produce revolving force source buoyancy aid football 31.
If above-mentioned rotation sensor 11 adopts tongue tube, then should form " magnetic field environment " that presets at its permanent magnet that a fritter nearby is set.
In present embodiment 2; indicate AC/DC low-voltage source and the low power consumpting controling circuit plate 21 that comprises battery case 22 is installed in casing 30; can place the more piece rechargeable battery that voltage is 4.5V in the battery case 22, also be provided with battery charger 23, power-off protector 24, casing 30 and be provided with mains switch 32, power supply indicator 33, device working station indicator 34, ac low-voltage power supply socket 28.This device also has annex: ac low-voltage power supply 25, this power supply 25 has external power supply plug 26, can meet alternating current 220V or 110V, and the other end is for exchanging low attaching plug 27, insert socket 28, the power supply of alternating current 220V or 110V can be become interchange low-voltage (6 volts) power supply supplying apparatus and use.Pull the plug out of the socket and 27 can use internal battery power supply.
Certainly, what power circuit adopted all is existing circuit, does not encyclopaedize at this.But circuit should comprise:
1.. rectification, filtering, voltage stabilizing circuit, external ac low-voltage power supply through the filtering of full-wave rectification and large bulk capacitance, becomes the lower direct current of ripple coefficient, again through low-voltage voltage stabilizing circuit or element, forms the source of stable pressure that is lower than 4.5V.
2.. battery charger, built-in charging circuit, when using extraneous alternating current, the direct current of gained, by charger automatically to the rechargeable battery set charging, finish, be in " floating charge " state until charging, with as standby.
Power-off protection when using extraneous alternating current, has a power failure suddenly, and built-in control assembly has been avoided the drawback of interrupt run fast with powered battery, and after alternating current recovered, battery was stopped power supply and charged.
Above only to do can being described by battery-powered low-voltage source magnetic levitation system of buoyancy aid with tellurion and football.The utility model can battery-powered low-voltage source magnetic levitation system buoyancy aid obviously can be diversified, for example each globoid, advertisement exhibit, toy, model, logo image product, art, physical culture or religion sculpture sculpting or the like, used frame casing also can be omnifarious, as monolateral stent-type, bilateral frame-type, box-type or the like.
Therefore the utility model can battery-powered low-voltage source magnetic levitation system, has advantages such as practicality, portable, multi-function, high-performance, and development prospect is preferably arranged.
Claims (12)
1, a kind of can battery-powered low-voltage source magnetic levitation system, comprise that one is provided with the buoyancy aid of magnetic suspension permanent magnet body and rotating permanent magnet, the frame casing, in in it by having adorned the magnetic suspension electromagnetic device of forming by solenoid and iron core, the magnetic suspension master reference, at least one rotation sensor, at least one rotating electromagnetic coil, power supply and control circuit also are installed in the frame casing, it is characterized in that:
1. adopt small-sized linear magnetic inductive transducer to make the magnetic suspension master reference, be flat on the place, lower surface or the bottom of the iron core that is with solenoid of magnetic suspension electromagnetic device, combining closely forms the combined magnetic suspension main structure of efficient feedback magnetic;
2. described buoyancy aid is the lightweight thin walled shell, and a high-strength magnetic suspension permanent magnet body of neodymium iron boron is posted in the inwall embedding that its top center of gravity line passes;
3. at least one rotating permanent magnet pasted in described buoyancy aid inwall embedding, at the panel inner wall of frame casing the rotary system of efficient energy regenerative is installed, it comprises at least one rotation sensor and at least one rotating electromagnetic coil, and they all should be corresponding with the rotating permanent magnet in the buoyancy aid;
4. described power supply is the low-tension supply that comprises the AC/DC of battery case, and described control circuit is the control circuit of low-voltage source low-power consumption.
2, according to claim 1 can battery-powered low-voltage source magnetic levitation system, it is characterized in that described iron core lower end has downward opening cylindrical cavity or pit, described small-sized magnetic induction sensor lies in this cylindrical cavity or the pit, and this small-sized magnetic induction sensor can adopt magnetodiode, magnetic sensitive transistor, mistor, Hall element or the Hall element integrated circuit component of small-sized linearity.
3, according to claim 2 can battery-powered low-voltage source magnetic levitation system, it is characterized in that described iron core is a screw-shaped, its cylindrical cavity is the pit of iron screw terminal lower end, also can be that iron nut major part is screwed into that screw rod, fraction are not screwed into as yet and the cylindrical cavity that forms, described magnetic suspension solenoid be to select for use thicker lead to turn to circular low-resistance coil tightly to be enclosed within on its bar.
4, according to claim 1 can battery-powered low-voltage source magnetic levitation system, the iron core that it is characterized in that described magnetic suspension electromagnetic device is a transverse arm shape, its core has magnetic conductive head vertically downward, this magnetic conductive head also can be a screw-shaped, outwards put on display many (〉=2) transverse arms, every each sheathed solenoid of transverse arm from the center.
5, according to claim 1 can battery-powered low-voltage source magnetic levitation system, it is characterized in that the upper surface of described iron core and solenoid is equipped with iron plate or the flat permanent magnet that strengthens magnetic, iron plate also can become irony bell shape loam cake.
6, according to claim 1 can battery-powered low-voltage source magnetic levitation system, it is characterized in that described rotation sensor can adopt linearity or switching mode magnetic induction sensor element or tongue tube; Described rotating electromagnetic coil should adopt thinner enamelled wire close around forming, and also can add iron core or magnetic core in this rotating electromagnetic coil.
7, according to claim 1 can battery-powered low-voltage source magnetic levitation system, it is characterized in that place that the center of gravity line of described buoyancy aid lower end passes installs one the perpendicular rotating permanent magnet of putting of two sides is axially being arranged, correspondingly in the panel of frame casing, be laid with at least one rotation sensor and at least one rotating electromagnetic coil of placing vertically on the circumference that is projected as the center of circle with the center of gravity line of buoyancy aid, it can cored or magnetic core, if rotation sensor is to adopt tongue tube, should be equipped with a kind of " magnetic field environment ", promptly be that a fritter permanent magnet is placed near the tongue tube.
8, according to claim 7 can battery-powered low-voltage source magnetic levitation system, it is characterized in that center of gravity line place in the base table top of described buoyancy aid below frame casing horizontal one more microscler can be cored or the rotating electromagnetic coil of magnetic core, two sides that it is axial are corresponding to axial two sides of the perpendicular permanent magnet of putting of the buoyancy aid bottom of top.
9, according to claim 1 can battery-powered low-voltage source magnetic levitation system; it is characterized in that described power supply is the AC/DC low-voltage source that comprises battery case; except that the battery case of the battery of placing total voltage 〉=4.5V, also be provided with charger, power-off protector, low-voltage power of alterating and direct current, attaching plug, alternating current-direct current low-tension supply plug and socket to rechargeable battery.
10, according to claim 1 can battery-powered low-voltage source magnetic levitation system, the formation that it is characterized in that the magnetic suspension main control circuit is: utilize the linear hall sensor integrated circuit component to make magnetic suspension magnetic induction master reference, this Hall element one pin connects positive source, another pin connects power cathode, and its output is both through resistance R
1Connect integrated circuit (IC)
1Negative input end, again through a resistance R
5Connect integrated circuit (IC)
3Positive input terminal, IC
1Positive input through resistance R
4Meet potentiometer W
1Centre tap, this potentiometer W
1A termination power positive pole, another termination power cathode, IC
1Output through resistance R
6Meet IC
2Positive input terminal, IC
2Negative input end connecting resistance R
7With resistance W
2Node, R
7Another termination positive source, W
2Other end connection circuit negative pole, IC
2The pwm signal of output output through resistance R
8Meet triode BG
1Base stage, its collector electrode links to each other with positive source by magnetic suspension solenoid L, its emitter connects power cathode, IC
3Output terminating diode D
1Negative pole, D
1Anodal connecting resistance R
6And IC
2The node of positive input.
11, according to claim 1 can battery-powered low-voltage source magnetic levitation system, it is characterized in that:
1. described buoyancy aid is a lightweight shell tellurion, and a high-strength permanent magnet of oblate neodymium iron boron is posted in the inwall embedding that its top center of gravity line passes; The place that its lower end center of gravity line passes installs a perpendicular neodymium iron boron of putting and rotates high-strength permanent magnet;
2. a described cabinet base extends two stands with being bent upwards, a stent support one electromagnetism box wherein, one screw-shaped iron core is set in it, be with oblate low-resistance magnetic suspension solenoid that a usefulness turns to than heavy gauge wire on its screw rod tightly, the smooth Hall element integrated circuit component that is provided with in the pit of this screw-shaped iron core lower end, the loam cake of this electromagnetism box is the bell jar structure of an irony, and its lower cover is that nonmagnetic substance available copper or plastics are made;
3. described support is that hollow pipe is made, and the outer ring that also is provided with a buoyancy aid is fixed on the horizontal ring of support longitudinal middle part, forms a frame hurdle structure; It has decoration function, can be by putting a little small-sized objects on the horizontal ring;
4. be installed on the rotating electromagnetic coil of rotation sensor and setting in described base departs from the panel of buoyancy aid center of gravity line, it can cored or magnetic core.
12, according to claim 1 can battery-powered low-voltage source magnetic levitation system, it is characterized in that:
The base of a 1. described casing is a slim casing, this casing is provided with a goal model, be provided with transverse arm shape iron core in the crossbeam at this goal, its core has magnetic conductive head vertically downward, a Hall element integrated circuit component has been sticked in the pit of this magnetic conductive head lower end, the top of this magnetic conductive head can also be equipped with the flat magnet steel, this transverse arm shape iron core prolongs the goal and outwards puts on display two transverse arm iron cores from the center, each sheathed tightly one horizontal magnetic suspension solenoid of this two transverse arms iron core can also be equipped with the iron plate that increases magnetic action on the horizontal end face in the outside of this transverse arm iron core and solenoid;
2. described buoyancy aid is a thin-shell type prototype soccerballs, and a high-strength permanent magnet of oblate neodymium iron boron is posted in the inwall embedding that its top center of gravity line passes, and the place that its lower end center of gravity line passes installs a perpendicular neodymium iron boron of putting and rotates high-strength permanent magnet;
3. the local horizontal microscler rotating electromagnetic coil that the football center of gravity line passes in the casing table top can be equipped with iron core or magnetic core in this coil, at the side of this rotating electromagnetic coil, is provided with the rotation magnetic induction sensor;
4. the AC/DC low-voltage source and the low power consumpting controling circuit plate that comprise battery case are installed in casing, place the battery of total voltage 〉=4.5V in the battery case, also be provided with charger and power-off protector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03255661 CN2627729Y (en) | 2003-07-17 | 2003-07-17 | Battery feed available low voltage source magnetic levitation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03255661 CN2627729Y (en) | 2003-07-17 | 2003-07-17 | Battery feed available low voltage source magnetic levitation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2627729Y true CN2627729Y (en) | 2004-07-21 |
Family
ID=34253759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03255661 Expired - Fee Related CN2627729Y (en) | 2003-07-17 | 2003-07-17 | Battery feed available low voltage source magnetic levitation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2627729Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1309157C (en) * | 2003-07-17 | 2007-04-04 | 宁波天明电子股份有限公司 | Low voltage magnetic suspension device capable of using battery to supply power |
| CN103268725A (en) * | 2013-06-06 | 2013-08-28 | 雷建设 | High-voltage control magnetic suspension teaching demonstration instrument |
-
2003
- 2003-07-17 CN CN 03255661 patent/CN2627729Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1309157C (en) * | 2003-07-17 | 2007-04-04 | 宁波天明电子股份有限公司 | Low voltage magnetic suspension device capable of using battery to supply power |
| CN103268725A (en) * | 2013-06-06 | 2013-08-28 | 雷建设 | High-voltage control magnetic suspension teaching demonstration instrument |
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| CF01 | Termination of patent right due to non-payment of annual fee |