CN106849524A - The box-like drive system of permanent magnet direct-driven explosion-proof variable frequency variable speed group of motors - Google Patents
The box-like drive system of permanent magnet direct-driven explosion-proof variable frequency variable speed group of motors Download PDFInfo
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- CN106849524A CN106849524A CN201710049993.5A CN201710049993A CN106849524A CN 106849524 A CN106849524 A CN 106849524A CN 201710049993 A CN201710049993 A CN 201710049993A CN 106849524 A CN106849524 A CN 106849524A
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- permanent magnet
- explosion
- magnet direct
- drive system
- motor
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
- H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The present invention relates to a kind of box-like drive system of permanent magnet direct-driven explosion-proof variable frequency variable speed group of motors, it is characterized in that, the drive system includes permanent magnet direct driving motor, frequency converter, explosion-resistant enclosure and water-cooled pipeline composition, the frequency converter, motor are arranged up and down, water-cooled pipeline is scattered in explosion-resistant enclosure, water route is integrally connected in series, and inverter section includes power section and control section；Due to using permanent magnet direct-driven type of drive, reductor unit is eliminated, direct drive load simplifies system drive part, and permanent magnet direct driving motor improves system power factor, reduces excitation loss, and overall efficiency gets a promotion.Simultaneously because system element is less, maintenance reduction, reliability is increased.
Description
Technical field
The present invention relates to a kind of drive system, and in particular to a kind of box-like drive of permanent magnet direct-driven explosion-proof variable frequency variable speed group of motors
Dynamic system, belongs to Electric Machines and Electric Apparatus field.
Background technology
Due to being limited by space, tool is expected in electromagnetic environment limitation to the frequency converter motor driven systems used in explosion-proof environment
Standby small volume, drive system is simple, and Electro Magnetic Compatibility is good, the frequency converter motor driven systems of efficiency high.
Frequency conversion speed-adjusting system employed in explosion-proof environment, more by explosion-proof frequency converter monomer, asynchronous machine monomer, reductor
Monomer, load monomer composition, or by explosion-proof asynchronous machine all-in-one monomer, reductor monomer, load monomer composition.Both
Drive system is required for reductor to transmit energy and lifting torque, considerably increases the complexity of system, reduces the effect of system
Rate, increases the cost of system.
In both application systems, the former relatively disperses at system, causes each single body radiating system complex；And each monomer is due to needing
Separate flameproof performance design is wanted to cause bulky, cost is larger；Simultaneously because being needed between frequency converter monomer and motor monomer
Connection power cable, causes the electromagnetic disturbance to peripheral system larger.Driven for the latter's frequency control all-in-one and reductor
System, as a result of the combination of frequency converter and asynchronous machine, reduces volume, cost and electromagnetic disturbance to a certain extent,
But due to still using asynchronous machine as driver element, cause system power factor still relatively low, and still need reductor and gear
Case causes system loss to increase as the lifting of transmission and the torque of energy, and overall efficiency is still relatively low, and system maintenance amount is larger.
Further, since the permagnetic synchronous motor of routine needs to rely on rare earth permanent-magnetic material, its Costco Wholesale is too high, Er Qieyuan
Material does not have recyclability.If existing Conventional permanent magnet synchronous motor directly is greatly reduced using the meeting of ferrite permanent-magnet materials
Performance.And although existing permanent magnet reluctance motor has broken away from the dependence to rare earth material, but it easily occurs losing in structure
Magnetic, especially in motor heavy duty, loss of excitation situation is more serious, also, existing permanent magnet reluctance motor is less efficient.In view of on
Problem is stated, those skilled in the art has attempted to new scheme, but the problem never has to be properly settled.
The content of the invention
The present invention is just being directed to the technical problem for existing in the prior art, there is provided a kind of permanent magnet direct-driven explosion-proof variable frequency variable speed
The box-like drive system of group of motors, technical scheme simple structure, the efficiency high, while integrating frequency converter, form integral type drivetrain
System, i.e. system are directly driven all-in-one monomer, load monomer composition by anti-explosion permanent magnet.Due to using frequency converter and permanent magnet direct driving motor one
Body formula structure, incorporates each decentralized system, reduces system bulk, reduces the electromagnetic disturbance of system, simplifies dissipating for system
Heat.Due to using permanent magnet direct-driven type of drive, reductor unit is eliminated, direct drive load simplifies system drive group
Into part, and permanent magnet direct driving motor improves system power factor, reduces excitation loss, and overall efficiency gets a promotion.Simultaneously
Because system element is less, maintenance reduction, reliability is increased.
To achieve these goals, technical scheme is as follows, a kind of permanent magnet direct-driven explosion-proof variable frequency variable speed motor
Modular drive system, it is characterised in that the drive system includes permanent magnet direct driving motor, frequency converter, explosion-resistant enclosure and water
Cold pipeline composition, the frequency converter, motor are arranged up and down, and water-cooled pipeline is scattered in explosion-resistant enclosure, and water route is integrally connected in series,
Inverter section includes power section and control section.
Used as a modification of the present invention, the permanent magnet direct driving motor includes rotating shaft, rotor core, iron successively from inside to outside
Oxysome permanent magnet, stator winding, stator core and outer casing base, the rotor core are passed through in the form of punching is laminated and turned
Axle, is uniform-distribution with permanent magnet mounting groove in rotor core, the ferrite permanent magnet forms even in being bonded at permanent magnet mounting groove
Several magnetic poles, for enamel insulated wire is made and is uniformly embedded into stator slot, the stator core is fixed on motor to stator winding
On shell, air gap is provided between the stator core and rotor core, multiple stator lines are uniformly distributed on the stator core
Groove, is equipped with stator winding in each stator slot, stator winding is formed for enamel-covered wire coiling.The technical scheme avoids HTHP
Demagnetization, with anti-saliency, permanent magnet direct-driven motor combines permagnetic synchronous motor high efficiency and high power density characteristic, together
When only need ferrite permanent-magnet materials produce relative weak permanent magnetic field.The wind-tunnel designed in quadrature axis forms distinctive anti-convex
Pole characteristic, greatly improved the anti-demagnetization characteristic of motor, while ensure that motor has efficiency higher, and not weaken its machine
Tool intensity.
As a modification of the present invention, the wherein even number of poles in permanent magnet mounting groove, per pole permanent magnet under not
The isosceles trapezoid arrangement of sealing, and have the wind-tunnel i.e. air magnetic barrier of isosceles trapezoid between every pole.
Used as a modification of the present invention, the wind-tunnel of the isosceles trapezoid is symmetrically distributed in the quadrature axis of rotor rotating coordinate system
On axis, isosceles trapezoid is upper bottom near the side of rotating shaft, is bottom near the side of stator, and bottom and air gap not UNICOM.
This kind of design also ensure that the rigidity of structure of rotor on the basis of it ensure that ventilation.
As a modification of the present invention, the width of the height more than permanent magnet mounting groove of the air magnetic barrier, and air
The upper bottom of magnetic barrier is without departing from permanent magnet mounting groove.
Used as a modification of the present invention, the stator core is overrided to form or castable for punching；Rotor core is
Silicon steel punching is overrided to form or castable.
Used as a modification of the present invention, the frequency converter includes power section and control section, wherein power part subpackage
Include wire inlet unit, uncontrollable rectifier unit, DC filter capacitor unit, inversion unit and the noninductive bus unit of power；The control
Making partly includes motor vector control unit and sensor unit, wherein three-phase inlet wire alternating current, after not controlling DC circuit
As direct current, turn into the exchange electric drive motor of variable voltage variable frequency, motor vector controlled list after electric capacity, inverter circuit after filtering
Unit is formed and is met to the control wave of provisioning request by collection voltages current signal, by analysis computing, drives inversion list
The IGBT of unit, final output meets desired speed and torque.
Used as a modification of the present invention, transducer power part uses hierarchical layout, and bottom is heat dissipating layer, and the second layer is
Power device layer, third layer is auxiliary device layer.The uncontrollable rectifier unit constitutes three-phase using commutation diode series system
Uncontrollable rectifier bridge, to meet the pressure-resistant demand of high pressure incoming power.
Used as a modification of the present invention, power section forms an entirety by framework, convenient to install and safeguard, power
Device IGBT and commutation diode are positioned over copper base top, and copper base is positioned over water-cooled pipeline top, temperature is placed on copper base
Degree sensor.Control unit is by signal processing unit, control CPU element, pulse-triggered unit, constructing communication network control unit, people
Machine dialog unit is constituted.The sensor unit is by current acquisition sensor, voltage acquisition sensor, temperature acquisition sensor group
Into；Lower leaf is placed on inversion unit and DC filter capacitor unit, and inversion unit using IGBT as power device, adopt by electric capacity
With thin-film capacitor, using NPC three-level structures, inversion unit IGBT and electric capacity are using noninductive laminated bus for inversion unit major loop
It is attached.
As a modification of the present invention, water-cooled pipeline include motor body pipeline 41, frequency converter cooled plate pipeline 42 with
And motor front and rear cover pipeline 43, on the whole using cascade, local use is connected in parallel form, motor body to three kinds of pipelines
Pipeline is radiated using spiral channel structure to stator winding, and frequency converter cooled plate pipeline uses connection in series-parallel Hybrid connections,
Power device is radiated using Zigzag type groove profile water channel, motor front and rear cover pipeline water channel uses cast water channel, to front and rear
Bearing is radiated.
Relative to prior art, the invention has the advantages that, 1）The technical scheme global design is ingenious, compact conformation；
2）, the technical scheme integrates frequency converter, forms integral type drive system, i.e. system and all-in-one list is directly driven by anti-explosion permanent magnet simultaneously
Body, load monomer composition, due to using frequency converter and permanent magnet direct driving motor integral structure, incorporate each decentralized system, reduce
System bulk, reduces the electromagnetic disturbance of system, simplifies the radiating of system, due to using permanent magnet direct-driven type of drive,
Reductor unit is eliminated, direct drive load simplifies system drive part, and permanent magnet direct driving motor improves system
Power factor, reduces excitation loss, and overall efficiency gets a promotion.Simultaneously because system element is less, maintenance reduction,
Reliability is increased；3）Permanent magnet direct driving motor in the technical scheme improves motor load function, while reducing stator
The demagnetization effects of exciting current, especially in motor heavy service, effect becomes apparent from,Additionally, the presence of deep trouth coordinates motor end
Radiator fan can further reduce internal rotor temperature, reduce high temperature demagnetization possibility, the permanent magnetism position for being proposed
Put distribution and the efficiency of motor All Speed Range can be improved with the respective outer side edges of wind-tunnel；4）The technical scheme cost is relatively low, is easy to
Large-scale popularization and application.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is permanent magnet direct driving motor structural representation of the invention；
Fig. 3 is frequency changer schematic diagram of the invention；
Fig. 4-1,4-2,4-3 are water-cooled pipeline structure schematic diagrames of the invention；
In figure：1st, permanent magnet direct driving motor, 2, frequency converter, 3, explosion-resistant enclosure, 4, water-cooled pipeline composition, 21, stator core, 22, fixed
Sub-line groove, 23, stator winding, air-gap between 24, rotor, 25, rotor core, 26, permanent magnet mounting groove, 27, ferrite forever
Magnet, 28, air magnetic barrier, 29, rotating shaft, 31, wire inlet unit, 32, uncontrollable rectifier unit, 33, DC filter capacitor unit, 34,
Inversion unit, 35, power is noninductive bus unit, 36, sensor unit, 37, copper base.
Specific embodiment：
In order to deepen the understanding of the present invention, the present embodiment is described in detail below in conjunction with the accompanying drawings.
Embodiment 1：Referring to Fig. 1, Fig. 2, a kind of box-like drive system of permanent magnet direct-driven explosion-proof variable frequency variable speed group of motors is described
Drive system includes permanent magnet direct driving motor 1, frequency converter 2, explosion-resistant enclosure 3 and water-cooled pipeline composition 4, the frequency converter 2, motor
About 1 is arranged, and water-cooled pipeline is scattered in explosion-resistant enclosure, and water route is integrally connected in series, inverter section include power section and
Control section；The permanent magnet direct driving motor includes rotating shaft 29, rotor core 25, ferrite permanent magnet 27, fixed successively from inside to outside
Sub- winding 23, stator core 21 and outer casing base, the rotor core 25 pass through rotating shaft, rotor iron in the form of punching is laminated
Permanent magnet mounting groove is uniform-distribution with core, the ferrite permanent magnet forms even number of poles in being bonded at permanent magnet mounting groove,
For enamel insulated wire is made and is uniformly embedded into stator slot, the stator core 21 is fixed on motor housing stator winding,
Air gap is provided between the stator core and rotor core, multiple stator slots 2 are uniformly distributed on the stator core, each
Stator winding 3 is equipped with stator slot, stator winding is formed for enamel-covered wire coiling.Motor in the technical scheme avoids high temperature high
Pressure demagnetization, with anti-saliency, permanent magnet direct-driven motor combines permagnetic synchronous motor high efficiency and high power density characteristic,
The permanent magnetic field of the relative weak of ferrite permanent-magnet materials generation is only needed simultaneously.The wind-tunnel designed in quadrature axis forms distinctive anti-
Salient pole nature, greatly improved the anti-demagnetization characteristic of motor, while ensure that motor has efficiency higher, and not weaken it
Mechanical strength.Due to using permanent magnet direct-driven type of drive, reductor unit is eliminated, direct drive load simplifies system
Part is driven, and permanent magnet direct driving motor improves system power factor, reduces excitation loss, overall efficiency is carried
Rise.Simultaneously because system element is less, maintenance reduction, reliability is increased.
Embodiment 2：Referring to Fig. 2, as a modification of the present invention, the wherein even number of poles in permanent magnet mounting groove,
Isosceles trapezoid per pole permanent magnet into lower open-ended is arranged, and has the wind-tunnel i.e. air magnetic barrier 28 of isosceles trapezoid between every pole；Institute
The wind-tunnel for stating isosceles trapezoid is symmetrically distributed on the quadrature axis axis of rotor rotating coordinate system, and isosceles trapezoid is near the side of rotating shaft
Upper bottom, is bottom near the side of stator, and bottom and air gap not UNICOM.This kind of design is also protected on the basis of it ensure that ventilation
The rigidity of structure of rotor is demonstrate,proved.Remaining structure and advantage are identical with embodiment 1.
Embodiment 3：Referring to Fig. 2, used as a modification of the present invention, the height of the air magnetic barrier 28 is pacified more than permanent magnet
The width of tankage 26, and air magnetic barrier 28 upper bottom without departing from permanent magnet mounting groove.Remaining structure and advantage are complete with embodiment 1
It is identical.
Embodiment 4：Referring to Fig. 2, used as a modification of the present invention, the stator core is for punching is overrided to form or pours into a mould
Shaping；Rotor core is overrided to form or castable for silicon steel punching.Remaining structure and advantage are identical with embodiment 1.
Embodiment 5：Referring to Fig. 1, Fig. 3, used as a modification of the present invention, the frequency converter includes power section and control
Part, wherein power section include wire inlet unit 31, uncontrollable rectifier unit 32, DC filter capacitor unit 33, inversion unit 34
And the noninductive bus unit 35 of power；The control section includes motor vector control unit and sensor unit 36, wherein three
Phase inlet wire alternating current, turns into direct current after not controlling DC circuit 32, turns into after electric capacity, inverter circuit become buckling after filtering
The exchange electric drive motor of frequency, motor vector control unit is formed and met by collection voltages current signal, by analysis computing
To the control wave of provisioning request, the IGBT of inversion unit is driven, final output meets desired speed and torque.Remaining knot
Structure and advantage are identical with embodiment 1.
Embodiment 6：Referring to 3, used as a modification of the present invention, transducer power part uses hierarchical layout, and bottom is
Heat dissipating layer, the second layer is power device layer, and third layer is auxiliary device layer.The uncontrollable rectifier unit 32 uses commutation diode
Series system constitutes three-phase uncontrollable rectifier bridge, to meet the pressure-resistant demand of high pressure incoming power.Remaining structure and advantage and implementation
Example 1 is identical.
Embodiment 7：Referring to Fig. 3, used as a modification of the present invention, power section forms an entirety, side by framework
Just install and safeguard, power device IGBT and commutation diode are positioned over the top of copper base 37, and copper base 37 is positioned over water cooling tube
Road top, places temperature sensor on copper base.Control unit is by signal processing unit, control CPU element, pulse-triggered list
Unit, constructing communication network control unit, human-computer dialogue unit composition.The sensor unit is by current acquisition sensor, voltage acquisition
Sensor, temperature acquisition sensor group into；Lower leaf is placed on inversion unit and DC filter capacitor unit, and inversion unit is used
Used as power device, electric capacity uses thin-film capacitor, inversion unit major loop to use NPC three-level structures, inversion unit to IGBT
IGBT and electric capacity are attached using noninductive laminated bus.In the technical scheme, 12 are uniformly distributed on copper base 37
IGBT, six diode power modules, install on diode with IGBT and exchange laminated bus, are fixed in power device
28 electrochemical capacitors are installed in DC filter capacitor capacitor cell 33, the inside of a set of DC filter capacitor capacitor cell 33,
Direct current laminated bus are installed on electrochemical capacitor, because electric capacity is fixed on above power device, space availability ratio is improve, structure is more
Step up to gather, effectively reduce the volume of flame-proof type permanent-magnetic frequency conversion all-in-one inverter section, substantially solved existing frequency conversion body
The big problem for taking up space of product；It is common electrochemical capacitor due to what is selected, it is lower from the cost of blade inserting electric capacity than in the market,
Properties of product are more stablized, and due to the plug of blade inserting electric capacity long-term use, the vibrations for adding motor easily cause inserted sheet abrasion,
Loose contact influences properties of product, and the technical program selects general electrochemical capacitor, and electrical connection is that mechanical clearance is connected,
Stability is stronger, compacter in structure, saves space, reduces the volume of whole frequency converter；Performance is more stablized, antidetonation
Property preferably, cost is lower；And the more fast and easy of structure design from top to bottom is safeguarded and installed.Remaining structure and advantage and implementation
Example 1 is identical.
Embodiment 8：Referring to Fig. 4-1,4-2,4-3, used as a modification of the present invention, water-cooled pipeline includes motor body pipe
Road 41, frequency converter cooled plate pipeline 42 and motor front and rear cover pipeline 43, three kinds of pipelines use cascade on the whole, local
Using the form of being connected in parallel, motor body pipeline is radiated using spiral channel structure to stator winding, frequency converter water-cooled
Plate pipeline uses connection in series-parallel Hybrid connections, and power device is radiated using Zigzag type groove profile water channel, motor front and rear cover pipe
Road water channel uses cast water channel, and front and back bearings are radiated.Remaining structure and advantage are identical with embodiment 1.
The present invention can also be by 1 group of at least one of technical characteristic described in embodiment 2,3,4,5,6,7,8 and embodiment
Conjunction forms new implementation method.
It should be noted that above-described embodiment, not for limiting protection scope of the present invention, in above-mentioned technical proposal
On the basis of done equivalents or replacement each fall within the scope that the claims in the present invention are protected.
Claims (10)
1. a kind of box-like drive system of permanent magnet direct-driven explosion-proof variable frequency variable speed group of motors, it is characterised in that the drive system bag
Include:Permanent magnet direct driving motor, frequency converter, explosion-resistant enclosure and water-cooled pipeline composition, the frequency converter, motor are arranged up and down, water-cooled
Pipeline is scattered in explosion-resistant enclosure, and water route is integrally connected in series, and inverter section includes power section and control section.
2. the box-like drive system of permanent magnet direct-driven explosion-proof variable frequency variable speed group of motors according to claim 1, it is characterised in that
The permanent magnet direct driving motor includes rotating shaft, rotor core, ferrite permanent magnet, stator winding, stator core successively from inside to outside
And outer casing base, the rotor core in the form of punching is laminated pass through rotating shaft, permanent magnet is uniform-distribution with rotor core
Mounting groove, the ferrite permanent magnet forms even number of poles in being bonded at permanent magnet mounting groove, and stator winding is enamel insulated wire
It is made and is uniformly embedded into stator slot, the stator core is fixed on motor housing, the stator core and rotor core
Between be provided with air gap, multiple stator slots 2 are uniformly distributed on the stator core, be equipped with each stator slot stator around
Group, stator winding is formed for enamel-covered wire coiling.
3. the box-like drive system of permanent magnet direct-driven explosion-proof variable frequency variable speed group of motors according to claim 2, it is characterised in that
Even number of poles wherein in permanent magnet mounting groove, the isosceles trapezoid per pole permanent magnet into lower open-ended is arranged, and between every pole
The wind-tunnel i.e. air magnetic for having isosceles trapezoid hinders.
4. the box-like drive system of permanent magnet direct-driven explosion-proof variable frequency variable speed group of motors according to claim 3, it is characterised in that
The wind-tunnel of the isosceles trapezoid is symmetrically distributed on the quadrature axis axis of rotor rotating coordinate system, and isosceles trapezoid is near the side of rotating shaft
It is upper bottom, is bottom near the side of stator, and bottom and air gap not UNICOM.
5. the box-like drive system of permanent magnet direct-driven explosion-proof variable frequency variable speed group of motors according to claim 4, it is characterised in that
The width of the height more than permanent magnet mounting groove of the air magnetic barrier, and the upper bottom that air magnetic hinders is without departing from permanent magnet mounting groove.
6. the permanent magnet direct-driven box-like drive system of explosion-proof variable frequency variable speed group of motors according to claim 4 or 5, its feature exists
In the stator core is overrided to form or castable for punching；Rotor core is for silicon steel punching is overrided to form or pours into
Shape.
7. the box-like drive system of permanent magnet direct-driven explosion-proof variable frequency variable speed group of motors according to claim 1, it is characterised in that
The frequency converter includes power section and control section, and wherein power section includes wire inlet unit, uncontrollable rectifier unit, direct current filter
Ripple capacitor cell, inversion unit and the noninductive bus unit of power；The control section includes motor vector control unit and biography
Sensor cell, wherein three-phase inlet wire alternating current, turn into direct current after not controlling DC circuit, after filtering electric capacity, inversion electricity
Exchange electric drive motor as variable voltage variable frequency behind road, motor vector control unit passes through collection voltages current signal, through undue
Analysis computing, forms the IGBT for meeting and inversion unit being driven to the control wave of provisioning request, and final output meets desired speed
Degree and torque.
8. the box-like drive system of permanent magnet direct-driven explosion-proof variable frequency variable speed group of motors according to claim 7, it is characterised in that
The uncontrollable rectifier unit constitutes three-phase uncontrollable rectifier bridge using commutation diode series system, to meet high pressure incoming power
Pressure-resistant demand.
9. the permanent magnet direct-driven box-like drive system of explosion-proof variable frequency variable speed group of motors according to claim 7 or 8, its feature exists
In, the sensor unit by current acquisition sensor, voltage acquisition sensor, temperature acquisition sensor group into；Inversion unit
Placed with lower leaf on DC filter capacitor unit, using IGBT as power device, electric capacity uses thin-film capacitor to inversion unit,
Inversion unit major loop uses NPC three-level structures, and inversion unit IGBT and electric capacity are attached using noninductive laminated bus.
10. the box-like drive system of permanent magnet direct-driven explosion-proof variable frequency variable speed group of motors according to claim 1, its feature exists
In water-cooled pipeline includes motor body pipeline, frequency converter cooled plate pipeline and motor front and rear cover pipeline, three kinds of pipeline entirety
Upper use cascade, local using the form that is connected in parallel, motor body pipeline is using spiral channel structure to stator winding
Radiated, frequency converter cooled plate pipeline uses connection in series-parallel Hybrid connections, and power device is carried out using Zigzag type groove profile water channel
Radiating, motor front and rear cover pipeline water channel uses cast water channel, and front and back bearings are radiated.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710049993.5A CN106849524A (en) | 2017-01-23 | 2017-01-23 | The box-like drive system of permanent magnet direct-driven explosion-proof variable frequency variable speed group of motors |
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| CN201710049993.5A CN106849524A (en) | 2017-01-23 | 2017-01-23 | The box-like drive system of permanent magnet direct-driven explosion-proof variable frequency variable speed group of motors |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111245133A (en) * | 2019-09-02 | 2020-06-05 | 青岛中加特电气股份有限公司 | Permanent magnet frequency conversion all-in-one machine |
| CN112003396A (en) * | 2019-09-02 | 2020-11-27 | 青岛中加特电气股份有限公司 | Stator core and permanent magnetism frequency conversion all-in-one |
| CN112234765A (en) * | 2020-10-10 | 2021-01-15 | 安徽理工大学 | Novel converter PMSM integration is equipped |
| WO2021012133A1 (en) * | 2019-07-20 | 2021-01-28 | 烟台杰瑞石油装备技术有限公司 | Electric drive compounding device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412687A (en) * | 2011-11-30 | 2012-04-11 | 西安久和能源科技有限公司 | Megawatt-level water-cooling high-speed magneto generator |
| CN103066859A (en) * | 2011-10-19 | 2013-04-24 | 台达电子企业管理（上海）有限公司 | High-power high-voltage frequency inverter power unit |
| CN203219120U (en) * | 2013-03-27 | 2013-09-25 | 青岛天信变频电机有限公司 | Water cooling mechanism for mining explosion-proof, frequency conversion and speed regulation all-in-one machine |
| CN103607061A (en) * | 2013-12-03 | 2014-02-26 | 山东省科学院自动化研究所 | Permanent magnet motor rotor with direct-axis inductance larger than quadrature-axis inductance |
| CN206559200U (en) * | 2017-01-23 | 2017-10-13 | 徐州中矿大传动与自动化有限公司 | The box-like drive system of permanent magnet direct-driven explosion-proof variable frequency variable speed group of motors |
-
2017
- 2017-01-23 CN CN201710049993.5A patent/CN106849524A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066859A (en) * | 2011-10-19 | 2013-04-24 | 台达电子企业管理（上海）有限公司 | High-power high-voltage frequency inverter power unit |
| CN102412687A (en) * | 2011-11-30 | 2012-04-11 | 西安久和能源科技有限公司 | Megawatt-level water-cooling high-speed magneto generator |
| CN203219120U (en) * | 2013-03-27 | 2013-09-25 | 青岛天信变频电机有限公司 | Water cooling mechanism for mining explosion-proof, frequency conversion and speed regulation all-in-one machine |
| CN103607061A (en) * | 2013-12-03 | 2014-02-26 | 山东省科学院自动化研究所 | Permanent magnet motor rotor with direct-axis inductance larger than quadrature-axis inductance |
| CN206559200U (en) * | 2017-01-23 | 2017-10-13 | 徐州中矿大传动与自动化有限公司 | The box-like drive system of permanent magnet direct-driven explosion-proof variable frequency variable speed group of motors |
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| WO2021012133A1 (en) * | 2019-07-20 | 2021-01-28 | 烟台杰瑞石油装备技术有限公司 | Electric drive compounding device |
| CN111245133A (en) * | 2019-09-02 | 2020-06-05 | 青岛中加特电气股份有限公司 | Permanent magnet frequency conversion all-in-one machine |
| CN112003396A (en) * | 2019-09-02 | 2020-11-27 | 青岛中加特电气股份有限公司 | Stator core and permanent magnetism frequency conversion all-in-one |
| CN112003395A (en) * | 2019-09-02 | 2020-11-27 | 青岛中加特电气股份有限公司 | Permanent magnet frequency conversion integrated motor |
| CN112234765A (en) * | 2020-10-10 | 2021-01-15 | 安徽理工大学 | Novel converter PMSM integration is equipped |
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