CN207053353U - A kind of brushless double feed generator of Wound-rotor type hybrid permanent magnet excitation - Google Patents
A kind of brushless double feed generator of Wound-rotor type hybrid permanent magnet excitation Download PDFInfo
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- CN207053353U CN207053353U CN201720908756.5U CN201720908756U CN207053353U CN 207053353 U CN207053353 U CN 207053353U CN 201720908756 U CN201720908756 U CN 201720908756U CN 207053353 U CN207053353 U CN 207053353U
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Abstract
The utility model provides a kind of brushless double feed generator of Wound-rotor type hybrid permanent magnet excitation, including brushless double feed generator, permanent magnet excitation machine and heat abstractor, brushless dual-feed motor includes motor front end cover component, brushless double feed generator support, brushless electric machine drive end bearing bracket, rotating shaft, terminal box, brushless dual-feed motor stator coil, brushless double-fed machine rotor, fore bearing, rear bearing, brushless electric machine rear end cap；Permanent magnet excitation machine includes permanent magnet excitation machine support, permanent magnet excitation machine stator coil, permanent magnet excitation machine rotor, permanent magnetism rear end cap, its brushless double-fed machine rotor is arranged in same rotating shaft with permanent magnet excitation machine rotor, and rotating shaft is connected by fore bearing and rear bearing with brushless electric machine drive end bearing bracket and brushless electric machine rear end cap；Brushless double-fed machine rotor and permanent magnet excitation machine rotor is split before and after brushless electric machine rear end cap, in rotating shaft；Permanent magnet excitation machine stator coil is fixed on permanent magnet excitation machine support, and the permanent magnet excitation machine stator of formation is connected by fastening screw with brushless electric machine rear end cap.
Description
Technical field
A kind of brushless double feed generator of Wound-rotor type hybrid permanent magnet excitation is the utility model is related to, belongs to brushless dual-feed motor
Technical field, it is particularly adapted to the design and manufacture of brushless double feed generator.
Background technology
At present, the excitation mode for the brushless dual-feed motor that in the market uses is all in controling winding side excitation, brushless double feed hair
The excitation of motor mainly leans on Exciting Windings for Transverse Differential Protection, and such Exciting Windings for Transverse Differential Protection will consume Partial Power and do excitation, cause slow-speed of revolution timeliness
Rate is low, bad mechanical property, and control system is more fragile.Conventional solution is the energy for the excitation side for improving brushless dual-feed motor
Power, the volume of motor is caused to increase, cost increase.
And the characteristics of permanent magnet excitation machine is simple in construction, reliability is high.Especially permanent magnet excitation machine small volume, efficiency high be simultaneously
And low speed power generation performance is good.
The content of the invention
The purpose of this utility model is to combine above two motor advantage, designs a kind of nothing of Wound-rotor type hybrid permanent magnet excitation
Brush double-fed generator, the excitation of brushless double feed generator is compensated with permanent magnet excitation machine, while adjusts power factor, is made brushless double
Feedback efficiency high when low speed is run, solves the problems such as volume of brushless double feed and operational reliability.
The technical solution adopted in the utility model is：The brushless double feed hair of Wound-rotor type hybrid permanent magnet excitation of the present utility model
Motor includes brushless double feed generator, permanent magnet excitation machine and heat abstractor, and brushless dual-feed motor includes motor front end cover component, nothing
Brush double-fed generator support, brushless electric machine drive end bearing bracket, rotating shaft, terminal box, brushless dual-feed motor stator coil, brushless dual-feed motor
Rotor, fore bearing, rear bearing, brushless electric machine rear end cap；Permanent magnet excitation machine includes permanent magnet excitation machine support, permanent magnet excitation machine stator
Coil, permanent magnet excitation machine rotor, permanent magnetism rear end cap, its brushless double-fed machine rotor are arranged on same turn with permanent magnet excitation machine rotor
On axle, rotating shaft is connected by fore bearing and rear bearing with brushless electric machine drive end bearing bracket and brushless electric machine rear end cap；Brushless double feed
Rotor and permanent magnet excitation machine rotor are split before and after brushless electric machine rear end cap, in rotating shaft；Permanent magnet excitation machine machine
Seat is connected with permanent magnetism rear end cap, and permanent magnet excitation machine stator coil is fixed on permanent magnet excitation machine support, the permanent magnet excitation machine of formation
Stator is connected by fastening screw with brushless electric machine rear end cap.
Before and after described permanent magnet excitation machine rotor press-in p-m rotor in end plate, p-m rotor front and back end sleeve-board is in rotating shaft
On, fixed by jump ring, have oil sealing between permanent magnetism rear end cap and rotating shaft.
Described heat abstractor includes fan and fan housing, and fan is loaded on permanent magnet excitation machine rear portion, is enclosed in rotating shaft, passes through card
Spring is fixed in rotating shaft, and fan housing is located at outside permanent magnet excitation machine to be connected by screw with brushless electric machine rear end cap, fan housing with it is brushless
Double feedback electric engine support forms an entirety, and permanent magnet excitation machine is located inside fan housing.
Described permanent magnet excitation machine support is coordinated with brushless electric machine rear end cap by seam to be positioned, on brushless electric machine rear end cap
Screwed hole is drilled with, has through hole on permanent magnetism rear end cap, is connected permanent magnetism rear end cap with brushless electric machine rear end cap with fastening screw.
Described permanent magnet excitation machine rotor is magnetic steel built-in type, and epoxy resin sealing is filled in magnet steel groove, then by p-m rotor
Front and rear end plate is front and rear to be closed.
Described brushless dual-feed motor support is full stretching aluminium support form；Described permanent magnet excitation machine support is full stretching
Aluminium support form.
Described brushless double feed generator support and permanent magnet excitation machine support share a terminal box, permanent magnet excitation power traction line
It is fixed in the support radiating ribs of brushless double feed generator stator, then is accessed by cable guide after the pull-out of permanent magnet excitation machine stator
Line box.
The utility model has advantages below：
Brushless double feed generator of the present utility model uses coaxial birotor structure, brushless double feed with permanent magnet excitation machine support
Generator, permanent magnet excitation machine independent operating, it is allowed to have concurrently the Common advantages of synchronous motor and magneto, has power factor can
Adjust, the features such as frequency inverter capacity is small, simple in construction, reliability high, low speed power generation performance is good.It is specific as follows：
1st, brushless double feed generator, support used in permanent magnet excitation machine are molded using alloy aluminum one-off drawing, intensity it is good and
It is attractive in appearance；
2nd, brushless double feed generator, permanent magnet excitation machine rotor be coaxial, small volume；
3rd, the public terminal box of brushless double feed generator, permanent magnet excitation machine, easy-to-connect；
4th, heat abstractor gives two motor radiatings, efficiency high simultaneously；
5th, brushless dual-feed motor, permanent magnet excitation machine separation design, dismount, be easy to maintenance；
6th, front and rear cover uses oil sealing, and motor overall sealing performance is good.
Brief description of the drawings
Fig. 1 is overall schematic of the present utility model.
Fig. 2 is the cross-section structure of the utility model electric machine structure.
Embodiment
As shown in Figure 1, Figure 2：The brushless double feed generator of Wound-rotor type hybrid permanent magnet excitation of the present utility model includes brushless double feed
Generator, permanent magnet excitation machine and heat abstractor, brushless dual-feed motor include motor front end cover component 1, brushless double feed generator machine
Seat 2, brushless electric machine drive end bearing bracket 8, rotating shaft 9, terminal box 10, brushless dual-feed motor stator coil 11, brushless double-fed machine rotor 12,
Fore bearing 6, rear bearing 13, brushless electric machine rear end cap 14；Permanent magnet excitation machine includes permanent magnet excitation machine support 3, permanent magnet excitation machine is determined
Subcoil 15, permanent magnet excitation machine rotor 16, permanent magnetism rear end cap 18, its brushless double-fed machine rotor 12 and permanent magnet excitation machine rotor 16
In same rotating shaft 9, rotating shaft 9 passes through fore bearing 6 and rear bearing 13 and brushless electric machine drive end bearing bracket 8 and brushless electric machine rear end cap
14 are connected；Brushless double-fed machine rotor 12 and permanent magnet excitation machine rotor 16 are split before and after brushless electric machine rear end cap 14,
In rotating shaft 9；Permanent magnet excitation machine support 3 is connected with permanent magnetism rear end cap 18, and permanent magnet excitation machine stator coil 15 is fixed on forever
On magnetism excitation machine support 3, the permanent magnet excitation machine stator of formation, after permanent magnet excitation machine stator is by fastening screw 19 and brushless electric machine
End cap 14 connects.Described motor end cover component 1 also includes Front oil seal 5, circlip for hole 7.
Before and after the described press-in p-m rotor of permanent magnet excitation machine rotor 16 in end plate 17, end plate 17 is enclosed on before and after p-m rotor
In rotating shaft 9, fixed by jump ring, there is oil sealing 20 between permanent magnetism rear end cap 18 and rotating shaft 9.
Described heat abstractor 4 includes fan 21 and fan housing 22, and fan 21 is loaded on permanent magnet excitation machine rear portion, is enclosed on rotating shaft 9
On, it is fixed on by jump ring in rotating shaft 9, fan housing 22 is located at outside permanent magnet excitation machine and connected by screw and brushless electric machine rear end cap 14
Connect, fan housing 22 forms an entirety with brushless dual-feed motor support 2, and permanent magnet excitation machine is located inside fan housing 22.
Described permanent magnet excitation machine support 3 is coordinated with brushless electric machine rear end cap 14 by seam to be positioned, brushless electric machine rear end
Screwed hole is drilled with lid 14, has through hole on permanent magnetism rear end cap 18, with fastening screw 19 by after permanent magnetism rear end cap 18 and brushless electric machine
End cap 14 connects.
Described permanent magnet excitation machine rotor 16 is magnetic steel built-in type, epoxy resin sealing is filled in magnet steel groove, then turned by permanent magnetism
End plate 17 is front and rear before and after son closes.
Described brushless double feed generator support 2 is full stretching aluminium support form；Described permanent magnet excitation machine support 3 is complete
Stretch aluminium support form.
Described brushless double feed generator support 2 and permanent magnet excitation machine support 3 share a terminal box 10, permanent magnet excitation
Power traction line is fixed in the support radiating ribs of brushless double-fed machine stator after the pull-out of permanent magnet excitation machine stator by cable guide, then is connect
Enter terminal box 10.
The utility model has modularized design feature, by removing heat abstractor, permanent magnet excitation machine support and duplex feeding
Machine support separates, and to adapt to different operating environment requirements, replaceable different permanent magnet excitation machine support, makes electric machine structure simple
Single, assembling and debugging are convenient, by permanent magnet excitation machine, compensate the idle of double feedback electric engine, there is provided the efficiency of brushless dual-feed motor, make
Material use maximizes.
Claims (7)
1. a kind of brushless double feed generator of Wound-rotor type hybrid permanent magnet excitation, including brushless double feed generator, permanent magnet excitation machine and
Heat abstractor, brushless dual-feed motor include motor front end cover component (1), brushless double feed generator support (2), brushless electric machine front end
Cover (8), rotating shaft (9), terminal box (10), brushless dual-feed motor stator coil (11), brushless double-fed machine rotor (12), fore bearing
(6), rear bearing (13), brushless electric machine rear end cap (14)；Permanent magnet excitation machine includes permanent magnet excitation machine support (3), permanent magnet excitation machine
Stator coil (15), permanent magnet excitation machine rotor (16), permanent magnetism rear end cap (18), it is characterised in that：Brushless double-fed machine rotor
(12) it is arranged on permanent magnet excitation machine rotor (16) in same rotating shaft (9), rotating shaft (9) passes through fore bearing (6) and rear bearing (13)
It is connected with brushless electric machine drive end bearing bracket (8) and brushless electric machine rear end cap (14)；Brushless double-fed machine rotor (12) and permanent magnetism are encouraged
Magnetomechanical rotor (16) is split before and after brushless electric machine rear end cap (14), in rotating shaft (9)；Permanent magnet excitation machine support (3)
It is connected with permanent magnetism rear end cap (18), permanent magnet excitation machine stator coil (15) is fixed on permanent magnet excitation machine support (3), and formation is forever
Magnetism excitation machine stator, permanent magnet excitation machine stator are connected by fastening screw (19) with brushless electric machine rear end cap (14).
2. the brushless double feed generator of Wound-rotor type hybrid permanent magnet excitation according to claim 1, it is characterised in that：Described
Before and after permanent magnet excitation machine rotor (16) press-in p-m rotor in end plate (17), end plate (17) is enclosed on rotating shaft (9) before and after p-m rotor
On, fixed by jump ring, there is oil sealing (20) between permanent magnetism rear end cap (18) and rotating shaft (9).
3. the brushless double feed generator of Wound-rotor type hybrid permanent magnet excitation according to claim 1 or 2, it is characterised in that：Institute
The heat abstractor (4) stated includes fan (21) and fan housing (22), and fan (21) is loaded on permanent magnet excitation machine rear portion, is enclosed on rotating shaft (9)
On, it is fixed on by jump ring in rotating shaft (9), fan housing (22), which is located at outside permanent magnet excitation machine, passes through screw and brushless electric machine rear end cap
(14) connect, fan housing (22) forms an entirety with brushless dual-feed motor support (2), and permanent magnet excitation machine is located in fan housing (22)
Portion.
4. the brushless double feed generator of Wound-rotor type hybrid permanent magnet excitation according to claim 1 or 2, it is characterised in that：Institute
The permanent magnet excitation machine support (3) stated is coordinated with brushless electric machine rear end cap (14) by seam to be positioned, brushless electric machine rear end cap (14)
On be drilled with screwed hole, permanent magnetism rear end cap has through hole on (18), with fastening screw (19) by permanent magnetism rear end cap (18) and brushless electric machine
Rear end cap (14) connects.
5. the brushless double feed generator of Wound-rotor type hybrid permanent magnet excitation according to claim 1 or 2, it is characterised in that：Institute
The permanent magnet excitation machine rotor (16) stated is magnetic steel built-in type, and epoxy resin sealing is filled in magnet steel groove, then by p-m rotor front and back end
Plate (17) is front and rear to be closed.
6. the brushless double feed generator of Wound-rotor type hybrid permanent magnet excitation according to claim 1 or 2, it is characterised in that：Institute
The brushless double feed generator support (2) stated is full stretching aluminium support form；Described permanent magnet excitation machine support (3) is full stretching aluminium
Support form.
7. the brushless double feed generator of Wound-rotor type hybrid permanent magnet excitation according to claim 1 or 2, it is characterised in that：Institute
The brushless double feed generator support (2) and permanent magnet excitation machine support (3) stated share a terminal box (10), permanent magnet excitation power traction line
It is fixed on after the pull-out of permanent magnet excitation machine stator by cable guide in the support radiating ribs of brushless double-fed machine stator, then accesses wiring
Box (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720908756.5U CN207053353U (en) | 2017-07-25 | 2017-07-25 | A kind of brushless double feed generator of Wound-rotor type hybrid permanent magnet excitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720908756.5U CN207053353U (en) | 2017-07-25 | 2017-07-25 | A kind of brushless double feed generator of Wound-rotor type hybrid permanent magnet excitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207053353U true CN207053353U (en) | 2018-02-27 |
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ID=61497935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720908756.5U Active CN207053353U (en) | 2017-07-25 | 2017-07-25 | A kind of brushless double feed generator of Wound-rotor type hybrid permanent magnet excitation |
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| Country | Link |
|---|---|
| CN (1) | CN207053353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217531A (en) * | 2018-10-17 | 2019-01-15 | 邓建凯 | A kind of assistant starting electric motor end cap |
-
2017
- 2017-07-25 CN CN201720908756.5U patent/CN207053353U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217531A (en) * | 2018-10-17 | 2019-01-15 | 邓建凯 | A kind of assistant starting electric motor end cap |
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