CN109889004A - A kind of compound rectifier excitation component - Google Patents
A kind of compound rectifier excitation component Download PDFInfo
- Publication number
- CN109889004A CN109889004A CN201910098088.8A CN201910098088A CN109889004A CN 109889004 A CN109889004 A CN 109889004A CN 201910098088 A CN201910098088 A CN 201910098088A CN 109889004 A CN109889004 A CN 109889004A
- Authority
- CN
- China
- Prior art keywords
- relay
- exciting coil
- magnet exciting
- coil
- magnet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005284 excitation Effects 0.000 title claims abstract description 45
- 150000001875 compounds Chemical class 0.000 title claims abstract description 31
- 230000005291 magnetic effect Effects 0.000 claims abstract description 74
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 30
- 239000010959 steel Substances 0.000 claims abstract description 30
- 230000002708 enhancing effect Effects 0.000 claims abstract description 7
- 238000004804 winding Methods 0.000 claims abstract description 4
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003302 ferromagnetic material Substances 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 230000003313 weakening effect Effects 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The present invention provides a kind of compound rectifier excitation component, comprising: supporting member, according to the specific regularly arranged permanent magnetic steel in the supporting member, and the magnet exciting coil being centered around around each permanent magnetic steel respectively；Wherein, the winding direction of the magnet exciting coil is vertical with the magnetizing direction of corresponding permanent magnetic steel, and the magnetic direction by controlling magnet exciting coil realizes enhancing or decrease to the magnetic field of permanent magnetic steel.Compound rectifier excitation component of the invention under the vehicle-mounted operating condition of linear motion, solves the problems, such as that magnet is installed to car body difficulty and eddy-current brake section tablet magnetic density is inadequate by electromagnetic coil in such a way that tradition HALBALCH permanent magnet array combines.
Description
Technical field
The present invention relates to high-speed transit delivery technology field more particularly to a kind of compound rectifier excitation components.
Background technique
Pursuit with social transportation industry to speed, it is straight to drive technology as high-speed transit delivery technology by social universal
Concern.Permanent-magnetism linear motor is as the straight typical case for driving technology, using more and more extensive in field of traffic.Currently, being mostly used forever
Secondary of the magnet as vehicle-mounted synchronous motor, provides excitation field.Wherein, the permanent magnet of HALBACH array structure production is because of it
Become the main composition mode of vehicle-mounted permanent magnet synchronous motor magnetic pole with stronger poly- magnetic energy power and unilateral beam magnetic energy power.
HALBACH permanent magnet array magnet can be used as the magnetic pole excitation magnet of linear synchronous motor, while be also vehicle-mounted eddy-current brake
Field magnet.
Traditional HALBACH permanent magnet array section is as shown in Figure 1.Wherein d1For single permanent magnetic steel cross-sectional length, d2For list
A permanent magnetic steel cross-sectional width.Arrow is permanent magnetic steel magnetizing direction in figure.The antipodal length of magnetizing direction is HALBACH
The pole span τ of permanent magnet array magnetic.HALBACH permanent magnet array carries out magnetically confined, the field waveform of formation such as Fig. 2 institute in magnet side
Show.This sinusoidal waveform can be supplied to the excitation field of linear synchronous motor and the excitation field of eddy-current brake.
But the current vehicle-mounted general volume of HALBACH permanent magnet array is larger, after magnet steel production fits into structural member
Always ferromagnetism is had, and train is generally made of metalwork, unavoidably by magnetic conductive material.By HALBACH permanent magnet array magnetic
When body is installed into train corresponding position, installation difficulty can be increased because permanent magnet and magnetic material occur attracting unavoidably.Simultaneously
If permanent magnet array has been adsorbed on ferromagnetic material during the installation process, brittle substance when due to magnet steel can only be demagnetized by heating,
Magnet is removed, simultaneously irreversible damage also has occurred in HALBACH permanent magnet array magnet.
In addition, when train carries out eddy-current brake using HALBACH permanent magnet array and tablet effect, in order to improve braking
Power, designer often reduce the gap between permanent magnet array and tablet, improve the flux density size on tablet.But it reduces
The two gap will lead to betides the case where tablet is hit when vehicle-mounted magnet due to the deflection of car body, improves train and is making
The danger coefficient of dynamic section.
Summary of the invention
Based on the above issues, the present invention is using a kind of compound rectifier excitation component is provided, with electromagnetic coil and tradition HALBALCH
The mode that permanent magnet array combines solves magnet and is installed to car body difficulty and vortex system under the vehicle-mounted operating condition of linear motion
The inadequate problem of dynamic section tablet magnetic density.
To solve the above problems, the present invention provides a kind of compound rectifier excitation components, comprising:
Supporting member is centered around each respectively according to the specific regularly arranged permanent magnetic steel in the supporting member
Magnet exciting coil around permanent magnetic steel；
Wherein, the coil winding direction of the magnet exciting coil is vertical with the magnetizing direction of corresponding permanent magnetic steel, passes through control
The magnetic direction of magnet exciting coil realizes the enhancing or decrease in the magnetic field of permanent magnetic steel.
Wherein, the excitation composite construction further includes coil circuit, and the coil circuit specifically includes:
Power supply, main control unit, magnetic field control unit, what the main control unit was used to control magnet exciting coil connects through and off
It opens, the magnetic field control unit is used to control the magnetic direction of magnet exciting coil.
Wherein, it is connected in the coil circuit after the magnet exciting coil series connection of each permanent magnetic steel.
Wherein, the main control unit is contactor.
Wherein, the magnetic field control unit specifically includes:
First button, the second button, the first relay and the second relay；
Wherein, first button is connected with the coil of the normally-closed contact of second relay, first relay
Connect into the first button circuit, second button and the normally-closed contact of first relay, the line of second relay
Circle is serially connected in the second button circuit, is connected to power supply after first button circuit is in parallel with second button circuit；
The input terminal of first normally opened contact of first relay is connected to the power input, and output end is connected to
The input terminal of the first end of the magnet exciting coil, the second normally opened contact of first relay is connected to the magnet exciting coil
Second end, output end are connected to the power output end, and the input terminal of the first normally opened contact of second relay is connected to
The input terminal of first normally opened contact of first relay, output end are connected to the second end of the magnet exciting coil, and described
The input terminal of second normally opened contact of two relays is connected to the first end of the magnet exciting coil, and output end is connected to the power supply
Output end；
First button is also parallel with the third normally opened contact of the first relay, second button be parallel with second after
The third normally opened contact of electric appliance.
Wherein, the power supply DC power supply.
Wherein, the support building is made of non-magnetic metal material.
Wherein, the magnetic field strength of the magnet exciting coil is lower than the official report coercivity in the permanent magnetic steel.
Another aspect of the present invention provides a kind of vehicle-mounted permanent magnet synchronous motor, including above-mentioned compound rectifier excitation component.
Another aspect of the invention provides a kind of vehicle-mounted eddy-current brake, including above-mentioned compound rectifier excitation component.
Compound rectifier excitation component proposed by the present invention during installation is got on the bus, uses weakening when lifting to magnet
The mode of magnetic field strength carries out electrical excitation, reduces the difficulty that magnet lifting or installation are got on the bus, while also avoiding because of permanent magnet itself
Magnetism is too strong and adsorbs the tiny ferromagnetic material in periphery.In addition, using reinforcing magnetic field strength when magnet enters eddy-current brake section
Mode carries out electrical excitation, and magnetic field strength of the enhancing magnet in inductive loop plate, it is bigger to generate to induce bigger vortex
Brake force, improve car body integral stop ability, reduce braking distance.
Detailed description of the invention
Fig. 1 shows existing HALBACH permanent magnet array structural schematic diagram.
Fig. 2 shows the field waveform figures that existing HALBACH permanent magnet array structure generates.
Magnet cross section schematic diagram when Fig. 3 shows the magnetic field-intensification of compound rectifier excitation component of the invention.
Magnet cross section schematic diagram when Fig. 4 shows the field weakening of compound rectifier excitation component of the invention.
Fig. 5 shows the field coil circuit figure of compound rectifier excitation component of the invention.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
The compound rectifier excitation component of one embodiment of the invention specifically includes as shown in Figure 3 and Figure 4: supporting member 3, according to
The specific regularly arranged permanent magnetic steel 1 in supporting member 3, the magnet exciting coil being centered around around each permanent magnetic steel 1 respectively
2；
Wherein, the coil winding direction of magnet exciting coil 2 is vertical with the magnetizing direction of corresponding permanent magnetic steel 1, is encouraged by control
The magnetic direction of magnetic coil 2 realizes the enhancing or decrease in the magnetic field of permanent magnetic steel 1.
The compound rectifier excitation component of the embodiment of the present invention has centainly since magnetizing direction is different between magnet steel and magnet steel
Attraction or repulsive force, it is therefore desirable to which high-intensitive non-magnetic metalwork is spaced apart in adjacent magnet steel as support construction.
The compound rectifier excitation component of the embodiment of the present invention, by Fig. 3 coil step mode, the vehicle-mounted poly- magnetic energy power enhancing of magnet,
Magnetic flux density enhances when comparison is without magnet exciting coil.By Fig. 4 coil step mode, the vehicle-mounted poly- magnetic reduced capability of magnet compares nothing
Magnetic flux density weakens when magnet exciting coil.It should be understood that magnet exciting coil in the compound rectifier excitation component of the embodiment of the present invention
Magnetic field strength lower than the official report coercivity in permanent magnetic steel.
In one embodiment, magnetic field could be generated since magnet exciting coil needs to be powered, excitation composite construction also wraps
Coil circuit is included, which is arranged on the car body as mobile unit, it specifically includes:
Power supply, main control unit, magnetic field control unit, what wherein main control unit was used to control magnet exciting coil connects through and off
It opens, magnetic field control unit is used to control the magnetic direction of magnet exciting coil, and connects after the magnet exciting coil series connection of each permanent magnetic steel
It is connected in the coil circuit.
In a specific embodiment, as shown in figure 5, power supply DC power supply, main control unit are contactor KM, it is located at
In main circuit, for controlling switching on and off for magnet exciting coil.
Magnetic field control unit specifically includes the first button SB1, the second button SB2, the first relay KA1 and the second relay
KA2；Specifically, the normally-closed contact of the first button SB1 and the second relay KA2, the coil of the first relay KA1 are serially connected in
The normally-closed contact of first button circuit, the second button SB2 and the first relay KA1, the coil of the second relay KA2 are connected in series
At the second button circuit, and the first button circuit it is in parallel with second button circuit after be connected to power supply.
Further, the input terminal of the first normally opened contact of the first relay KA1 is connected to power input, and output end connects
It is connected to the first end of magnet exciting coil, the input terminal of the second normally opened contact of the first relay KA1 is connected to the second of magnet exciting coil
End, output end are connected to power output end, and the input terminal of the first normally opened contact of the second relay KA2 is connected to the first relay
The input terminal of the first normally opened contact of KA1, output end are connected to the second end of magnet exciting coil, and the second of the second relay KA2 is often
The input terminal for opening contact is connected to the first end of magnet exciting coil, and output end is connected to the output end of power supply；
In addition, the first button SB1 is also parallel with the third normally opened contact of the first relay KA1, the second button SB2 is parallel with
The third normally opened contact of second relay KA2.
2, which state the first relay KA1 in embodiment and the second relay KA2, uses but is not limited to electric current relay, other
The device that identical function may be implemented is equally applicable to the compound rectifier excitation component of the embodiment of the present invention.
In another embodiment of the invention, a kind of vehicle-mounted permanent magnet synchronous motor is also provided, which may include above-mentioned
Compound rectifier excitation component, the magnetic pole excitation magnet as the motor.
In another embodiment, a kind of vehicle-mounted eddy-current brake is also provided, which also may include above-mentioned compound
Excitation component, the magnetic pole excitation magnet as the brake.
Compound rectifier excitation component proposed by the present invention during installation is got on the bus, uses weakening when lifting to magnet
The mode of magnetic field strength carries out electrical excitation, reduces the difficulty that magnet lifting or installation are got on the bus, while also avoiding because of permanent magnet itself
Magnetism is too strong and adsorbs the tiny ferromagnetic material in periphery.In addition, using reinforcing magnetic field strength when magnet enters eddy-current brake section
Mode carries out electrical excitation, and magnetic field strength of the enhancing magnet in inductive loop plate, it is bigger to generate to induce bigger vortex
Brake force, improve car body integral stop ability, reduce braking distance.
The above embodiments are only used to illustrate the present invention, and not limitation of the present invention, in relation to the common of technical field
Technical staff can also make a variety of changes and modification without departing from the spirit and scope of the present invention, therefore all
Equivalent technical solution also belongs to scope of the invention, and scope of patent protection of the invention should be defined by the claims.
Claims (10)
1. a kind of compound rectifier excitation component characterized by comprising
Supporting member is centered around each permanent magnetism according to the specific regularly arranged permanent magnetic steel in the supporting member respectively
Magnet exciting coil around magnet steel；
Wherein, the coil winding direction of the magnet exciting coil is vertical with the magnetizing direction of corresponding permanent magnetic steel, by controlling excitation
The magnetic direction of coil realizes the enhancing or decrease in the magnetic field of permanent magnetic steel.
2. compound rectifier excitation component as described in claim 1, which is characterized in that the excitation composite construction further includes coil electricity
Road, the coil circuit specifically include:
Power supply, main control unit, magnetic field control unit, the main control unit are used to control the connecting and disconnecting of magnet exciting coil,
The magnetic field control unit is used to control the magnetic direction of magnet exciting coil.
3. compound rectifier excitation component as claimed in claim 2, which is characterized in that connect after the magnet exciting coil series connection of each permanent magnetic steel
It is connected in the coil circuit.
4. compound rectifier excitation component as claimed in claim 2, which is characterized in that the main control unit is contactor.
5. compound rectifier excitation component as claimed in claim 2, which is characterized in that the magnetic field control unit specifically includes:
First button, the second button, the first relay and the second relay；
Wherein, the coil series connection of the normally-closed contact of first button and second relay, first relay
At the first button circuit, second button and the normally-closed contact of first relay, the coil string of second relay
Connection connects into the second button circuit, is connected to power supply after first button circuit is in parallel with second button circuit；
The input terminal of first normally opened contact of first relay is connected to the power input, and output end is connected to described
The input terminal of the first end of magnet exciting coil, the second normally opened contact of first relay is connected to the second of the magnet exciting coil
End, output end are connected to the power output end, and the input terminal of the first normally opened contact of second relay is connected to described
The input terminal of first normally opened contact of the first relay, output end are connected to the second end of the magnet exciting coil, described second after
The input terminal of second normally opened contact of electric appliance is connected to the first end of the magnet exciting coil, and output end is connected to the defeated of the power supply
Outlet；
First button is also parallel with the third normally opened contact of the first relay, and second button is parallel with the second relay
Third normally opened contact.
6. compound rectifier excitation component as claimed in claim 2, which is characterized in that the power supply DC power supply.
7. compound rectifier excitation component as described in claim 1, which is characterized in that the support building is by non-magnetic metal material system
At.
8. compound rectifier excitation component as described in claim 1, which is characterized in that the magnetic field strength of the magnet exciting coil is lower than described
Official report coercivity in permanent magnetic steel.
9. a kind of vehicle-mounted permanent magnet synchronous motor, which is characterized in that including the described in any item compound rectifier excitation structures of claim 1-8
Part.
10. a kind of vehicle-mounted eddy-current brake, which is characterized in that including the described in any item compound rectifier excitation components of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910098088.8A CN109889004A (en) | 2019-01-31 | 2019-01-31 | A kind of compound rectifier excitation component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910098088.8A CN109889004A (en) | 2019-01-31 | 2019-01-31 | A kind of compound rectifier excitation component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109889004A true CN109889004A (en) | 2019-06-14 |
Family
ID=66927495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910098088.8A Pending CN109889004A (en) | 2019-01-31 | 2019-01-31 | A kind of compound rectifier excitation component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109889004A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101594040A (en) * | 2009-06-30 | 2009-12-02 | 上海磁浮交通发展有限公司 | Use the hybrid excitation linear synchronous motor of Halbach permanent magnet |
| US20110074231A1 (en) * | 2009-09-25 | 2011-03-31 | Soderberg Rod F | Hybrid and electic vehicles magetic field and electro magnetic field interactice systems |
| CN105305776A (en) * | 2015-11-26 | 2016-02-03 | 浙江大学 | Hybrid braking excitation structure for maglev train |
| CN105591523A (en) * | 2016-01-08 | 2016-05-18 | 中国科学院电工研究所 | Permanent magnet electromagnetic composite disc type eddy current braking device |
| KR20160091057A (en) * | 2015-01-23 | 2016-08-02 | 에이텍 코퍼레이션 | Electromagnetic induction apparatus |
| CN106548848A (en) * | 2016-12-09 | 2017-03-29 | 中国人民解放军国防科学技术大学 | Linear type superconducting magnet Halbach array, eddy current brake systems and electrodynamics suspension system |
| CN209642517U (en) * | 2019-01-31 | 2019-11-15 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | A kind of compound rectifier excitation component, vehicle-mounted permanent magnet synchronous motor and vehicle-mounted eddy-current brake |
-
2019
- 2019-01-31 CN CN201910098088.8A patent/CN109889004A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101594040A (en) * | 2009-06-30 | 2009-12-02 | 上海磁浮交通发展有限公司 | Use the hybrid excitation linear synchronous motor of Halbach permanent magnet |
| US20110074231A1 (en) * | 2009-09-25 | 2011-03-31 | Soderberg Rod F | Hybrid and electic vehicles magetic field and electro magnetic field interactice systems |
| KR20160091057A (en) * | 2015-01-23 | 2016-08-02 | 에이텍 코퍼레이션 | Electromagnetic induction apparatus |
| CN105305776A (en) * | 2015-11-26 | 2016-02-03 | 浙江大学 | Hybrid braking excitation structure for maglev train |
| CN105591523A (en) * | 2016-01-08 | 2016-05-18 | 中国科学院电工研究所 | Permanent magnet electromagnetic composite disc type eddy current braking device |
| CN106548848A (en) * | 2016-12-09 | 2017-03-29 | 中国人民解放军国防科学技术大学 | Linear type superconducting magnet Halbach array, eddy current brake systems and electrodynamics suspension system |
| CN209642517U (en) * | 2019-01-31 | 2019-11-15 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | A kind of compound rectifier excitation component, vehicle-mounted permanent magnet synchronous motor and vehicle-mounted eddy-current brake |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103481794B (en) | A kind of medium-and low-speed maglev train combined suspending electromagnet and method for making | |
| CN102072249B (en) | Large-bearing-capacity radial magnetic bearing | |
| CN105305776A (en) | Hybrid braking excitation structure for maglev train | |
| CN105090245A (en) | Asymmetric permanent-magnet bias axial magnetic bearing | |
| CN109802549B (en) | Excitation magnetic pole of synchronous linear motor of high-speed magnetic suspension train | |
| CN105083029A (en) | Alternating-current excitation rail eddy-current brake and braking method thereof | |
| CN108657011A (en) | A kind of vacuum pipe magnetcisuspension train mixing EMS supporting structures | |
| CN209642517U (en) | A kind of compound rectifier excitation component, vehicle-mounted permanent magnet synchronous motor and vehicle-mounted eddy-current brake | |
| CN106253529B (en) | The band efficient high thrust bilateral linear motor of adjustment of field excitation | |
| CN101594040A (en) | Use the hybrid excitation linear synchronous motor of Halbach permanent magnet | |
| CN201174286Y (en) | Permanent magnetic and electromagnetic mixed magnet construction | |
| CN105655087A (en) | High-performance electromagnetic actuator | |
| CN205160339U (en) | Mixed type braking excitation structure for maglev train | |
| CN101425736A (en) | Single side linear induction motor used for material pipeline transportation | |
| CN201834655U (en) | Electric controlled permanent magnetic chuck | |
| CN109889004A (en) | A kind of compound rectifier excitation component | |
| JP6301013B2 (en) | Switch | |
| CN101783263B (en) | Bistable-state permanent magnet mechanism of parallel magnetic circuits | |
| CN201413752Y (en) | Suspended electromagnet device for low-leakage efficient Maglev train | |
| CN109326407A (en) | Levitating electromagnet based on middle low speed magnetic suspension train | |
| CN205311363U (en) | Mixed suspending device of tandem type permanent magnetism based on misconstruction | |
| CN102843013A (en) | Cylindrical magnetic flux switching type oscillation motor | |
| CN203460722U (en) | Combination-type levitation electromagnet for middle-low-speed maglev train | |
| CN115189545A (en) | Suspension and guide self-stabilization enhanced linear induction motor | |
| CN209507358U (en) | Linear drive apparatus, safety tongs device and elevator device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |