CN207819805U - A kind of changeable mode polyphase machine - Google Patents
A kind of changeable mode polyphase machine Download PDFInfo
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- CN207819805U CN207819805U CN201820254312.9U CN201820254312U CN207819805U CN 207819805 U CN207819805 U CN 207819805U CN 201820254312 U CN201820254312 U CN 201820254312U CN 207819805 U CN207819805 U CN 207819805U
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Abstract
The utility model provides a kind of changeable mode polyphase machine, including stator, rotor and switching system, stator winding is divided into equal several sections, the terminal connecting valve system of every section of stator winding, switching system can pass through the different combinations being connected and disconnected from, stator winding is connected into different patterns by way of serial or parallel connection, obtains the different motor of performance.The changeable mode polyphase machine that the utility model is controlled by switching system adapts to different application scenarios so as to which motor is made to have different performances.
Description
Technical field
The utility model relates generally to electric machine speed regulation technical field, specifically a kind of changeable mode polyphase machine, especially
A kind of three-phase motor with permanent magnets technology stator winding of segmentation being combined by switching system multi-mode.
Background technology
Some application scenarios, the velocity interval that motor needs is very wide, causes friction speed section motor or drive system
Various indexs are difficult to take into account.As electric vehicle needs to reduce the reversed of motor due to the maximum speed target for needing to reach automobile
Electromotive force, the inverse electromotive force of motor is very low when such low speed, while when automobile accelerates needs motor to provide sufficiently large driving
The electric current of motor is very big when power, i.e. low speed, and the efficiency of entire drive system is very low when causing low speed in this way.It is driven when low speed to improve
The efficiency of dynamic system, it is desirable to the inverse electromotive force of motor can be improved when low speed, while reducing current of electric, traditional design of electrical motor
And drive system, it is extremely difficult to take into account.
Utility model content
To solve the deficiency of current technology, the utility model combination prior art provides a kind of logical from practical application
The changeable mode polyphase machine that switching system is controlled is crossed, so as to make motor that there is different performances, is adapted to different
Application scenarios.
To achieve the above object, the technical solution of the utility model is as follows：
A kind of changeable mode polyphase machine, including stator, rotor and switching system, stator winding are divided into equal number
Section, without directly electrical connection, the terminal connecting valve system of every section of stator winding, switch between the stator winding segmentation of same phase
System by way of serial or parallel connection can be connected into stator winding different by the different combinations being connected and disconnected from
Pattern obtains the different motor of performance.
Switching system switch used is mechanical type manual switch or mechanical automatic control switch or solid-state switch.
Motor is magneto.
The output end of the input terminal connection electric machine controller of stator winding, forms a kind of speed-adjusting driving system.
Switching system is controlled by electric machine controller.
The stator winding is at least divided into equal two sections.
When stator winding is divided into equal two sections, equal two sections can be formed by switching system combination and be connected in series with
Or the multiphase star-like connection mode that equal two sections are connected in parallel.
Multiphase therein is three-phase.
A phase windings in threephase stator winding be divided into equal A1 sections, A2 sections, B phase windings are divided into equal
B1 sections, B2 sections, C phase windings be divided into equal C1 sections, C2 sections, wherein A2 sections, B2 sections, C2 sections of outer end links together structure
At star-like connection, switching system includes tri- switches of SA1, SA2, SA3 for being arranged on A phase windings, the SB1 being arranged on B phase windings,
SB2, SB3 tri- is switched, tri- switches of SC1, SC2, the SC3 being arranged on C phase windings, outside A1 sections of one end connection of wherein SA1
End, the other end of SA1 connect A2 section of inner end, and one end of SA2 connects A2 sections of outer end, A1 sections of the other end connection of SA2 it is interior
End, one end of SA3 connect A1 sections of inner end, the inner end of the other end connection A2 of SA3；One end of SB1 connects B1 sections of outer end,
The other end of SB1 connects B2 sections of inner end, and one end of SB2 connects B2 sections of outer end, and the other end of SB2 connects B1 sections of inner end,
One end of SB3 connects B1 sections of inner end, and the other end of SB3 connects B2 sections of inner end；One end of SC1 connects C1 sections of outer end, SC1
The other end connect C2 section of inner end, one end of SC2 connects C2 sections of outer end, the inner end of C1 sections of the other end connection of SC2, SC3
One end connect C1 section of inner end, the inner end of C2 sections of the other end connection of SC3.
SA1, SB1, SC1 are a three connection tentaculums, and SA2, SB2, SC2 are one three connection tentaculum, SA3, SB3, SC3 mono-
A three connections tentaculum.
The beneficial effects of the utility model：
The utility model passes through the stator winding shape of switching system control segmentation by the way that stator winding is carried out phase equal segments
At different connection types, and then the different motor of the performances such as speed, torque is obtained, solves electric vehicle low speed and high speed field
The problem of motor performance is difficult to take into account is closed, the drive-train efficiency when operation of electric vehicle low speed can be significantly improved.
Description of the drawings
Attached drawing 1 is the utility model three-phase motor stator section of winding schematic diagram；
Attached drawing 2 is that the utility model stator winding two is segmented multi-mode three phase electric machine structural schematic diagram；
Attached drawing 3 is two sections of series model schematic diagrames of the utility model；
Attached drawing 4 is two sections of paralleling model schematic diagrames of the utility model；
Attached drawing 5 is that the utility model stator winding two is segmented multi-mode three phase electric machine drive system schematic diagram.
Specific implementation mode
With reference to the drawings and specific embodiments, the utility model is described in further detail.It should be understood that these embodiments are only used for
Illustrate the utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, having read the utility model instruction
Content after, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms are equally fallen
In range defined herein.
The utility model provides a kind of multi-mode polyphase machine of stator winding segmentation, which includes stator, rotor
And switching system, wherein stator winding are uniformly divided into two or more, as shown in Figure 1, the company of the stator winding of segmentation
It connects and terminates into switching system, switching system connects into stator winding different moulds by different closures, the combination of disconnection
Formula is to get the motor of different performance has been arrived, to adapt to the application scenarios of different demands.
The polyphase machine of the utility model can be AC induction motor, magneto and other types have stator around
The motor of group, can be three phase electric machine, can also be the polyphase machine of three-phase or more.
The switching system of the utility model can be the mechanical type manuals such as breaker, disconnecting link switch, can also be relay,
The mechanical automatic switchs such as contactor, can also be the power electronic devices such as thyristor, MODFET, IGBT constitute solid-state open
It closes.
What the polyphase machine input terminal of the utility model connected is the output end of electric machine controller, together constitutes with speed governing driving
System, electric machine controller can control switching system, obtain the motor of different performance, to adapt to answering for different demands
Use scene.
As shown in Fig. 2, for a kind of the utility model three-phase motor with permanent magnets that preferably stator winding two is segmented, threephase stator
A phase, B phase, C phase in winding be divided into respectively equal A1 sections, A2 sections, B1 sections, B2 sections, C1 sections, C2 sections, wherein A phases two
End is outer end, is inner end at segmentation, A2 section, B2 sections, C2 sections of outer end link together composition star-like connection, switching system includes
SA1, SA2, SA3 being arranged on A phase windings tri- is switched, tri- switches of SB1, SB2, the SB3 being arranged on B phase windings, C phase windings
Tri- switches of SC1, SC2, SC3 of upper setting, the connection type of switch are：One end of SA1 connects A1 sections of outer end, and SA1's is another
The inner end of A2 sections of one end connection, the outer end of A2 sections of one end connection of SA2, the inner end of A1 sections of the other end connection of SA2, the one of SA3
End connects A1 sections of inner end, the inner end of the other end connection A2 of SA3；One end of SB1 connects B1 sections of outer end, the other end of SB1
The inner end of B2 sections of connection, one end of SB2 connect B2 sections of outer end, and the other end of SB2 connects B1 sections of inner end, and one end of SB3 connects
B1 sections of inner end is connect, the other end of SB3 connects B2 sections of inner end；One end of SC1 connects C1 sections of outer end, and the other end of SC1 connects
C2 sections of inner end is connect, one end of SC2 connects C2 sections of outer end, and the other end of SC2 connects C1 sections of inner end, one end connection of SC3
C1 sections of inner end, the other end of SC3 connect C2 sections of inner end.
SA1, SB1, SC1 are realized that SA2, SB2, SC2 are realized by one three connection tentaculum by one three connection tentaculum, SA3,
SB3, SC3 realize that totally three contactors constitute the switching system of this 9 switches by one three connection tentaculum.
When SA3, SB3, SC3 are closed, and SA1, SA2, SB1, SB2, SC1, SC2 are disconnected, stator winding is connected into such as Fig. 3 institutes
The two sections of equal concatenated star join schemas shown, when SA3, SB3, SC3 are disconnected, SA1, SA2, SB1, SB2, SC1, SC2 are closed
When conjunction, stator winding connects into two sections of equal as shown in Figure 4 star join schemas in parallel, is allowed by the switching of switching system
Three-phase motor with permanent magnets switches between string star schema and two and star schema, simple in structure, easy to control stable.
As shown in figure 5, the input terminal of the double mode three-phase motor with permanent magnets of the stator winding two segmentation connects electric machine controller
Output end, constitute complete drive system, such as Fig. 5.The switching of switching system can be controlled by electric machine controller, be realized
The Collaborative Control of electric machine controller and multi-mode motor.
In the case that power battery voltage is constant in the application scenario of electric vehicle, two string star schemas are suitble to low speed
Occasion, the inverse electromotive force of the pattern is high, and electric current is small, can significantly improve the efficiency of electric machine controller, and two and star schema
It is suitble to high speed situation.
Claims (10)
1. a kind of changeable mode polyphase machine, including stator, rotor and switching system, it is characterised in that：Stator winding is divided
It is equal several sections, is opened without directly electrical connection, the terminal connection of every section of stator winding between the stator winding segmentation of same phase
Relationship is united, and switching system can be by the different combinations being connected and disconnected from, stator winding by way of serial or parallel connection
Different patterns is connected into, the different motor of performance is obtained.
2. a kind of changeable mode polyphase machine as described in claim 1, it is characterised in that：Switching system switch used is machinery
Formula manual switch or mechanical automatic control switch or solid-state switch.
3. a kind of changeable mode polyphase machine as described in claim 1, it is characterised in that：Motor is magneto.
4. a kind of changeable mode polyphase machine as described in claim 1, it is characterised in that：The input terminal connection electricity of stator winding
The output end of machine controller forms a kind of speed-adjusting driving system.
5. a kind of changeable mode polyphase machine as claimed in claim 4, it is characterised in that：Switching system is by electric machine controller control
System.
6. such as a kind of changeable mode polyphase machine of Claims 1 to 5 any one of them, it is characterised in that：The stator winding
At least it is divided into equal two sections.
7. a kind of changeable mode polyphase machine as claimed in claim 6, it is characterised in that：Stator winding is divided into equal
At two sections, equal two sections can be formed by switching system combination and be connected in series with or equal two sections of multiphase stars being connected in parallel
Connection type.
8. a kind of changeable mode polyphase machine as claimed in claim 7, it is characterised in that：Multiphase therein is three-phase.
9. a kind of changeable mode polyphase machine as claimed in claim 8, it is characterised in that：A phases in threephase stator winding around
Group be divided into equal A1 sections, A2 sections, B phase windings be divided into equal B1 sections, B2 sections, C phase windings are divided into equal
C1 sections, C2 sections, wherein A2 sections, B2 sections, C2 sections of outer end link together and constitute star-like connection, switching system include A phases around
SA1, SA2, SA3 being arranged in group tri- is switched, tri- switches of SB1, SB2, the SB3 being arranged on B phase windings, is set on C phase windings
The switch of SC1, SC2, SC3 set tri-, one end of wherein SA1 connect A1 section of outer end, A2 sections of the other end connection of SA1 it is interior
End, one end of SA2 connect A2 sections of outer end, and the other end of SA2 connects A1 sections of inner end, and one end of SA3 connects A1 sections of inner end,
The inner end of the other end connection A2 of SA3；One end of SB1 connects B1 sections of outer end, and the other end of SB1 connects B2 sections of inner end, SB2
One end connect B2 section of outer end, the other end of SB2 connects B1 sections of inner end, the inner end of B1 sections of one end connection of SB3, SB3's
The other end connects B2 sections of inner end；One end of SC1 connects C1 sections of outer end, and the other end of SC1 connects C2 sections of inner end, SC2's
One end connects C2 sections of outer end, and the other end of SC2 connects C1 sections of inner end, and one end of SC3 connects C1 sections of inner end, and SC3's is another
One end connects C2 sections of inner end.
10. a kind of changeable mode polyphase machine as claimed in claim 9, it is characterised in that：SA1, SB1, SC1 are three connections
Tentaculum, SA2, SB2, SC2 are one three connection tentaculum, and SA3, SB3, SC3 are one three connection tentaculum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820254312.9U CN207819805U (en) | 2018-02-12 | 2018-02-12 | A kind of changeable mode polyphase machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820254312.9U CN207819805U (en) | 2018-02-12 | 2018-02-12 | A kind of changeable mode polyphase machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207819805U true CN207819805U (en) | 2018-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820254312.9U Expired - Fee Related CN207819805U (en) | 2018-02-12 | 2018-02-12 | A kind of changeable mode polyphase machine |
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| Country | Link |
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| CN (1) | CN207819805U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108155847A (en) * | 2018-02-12 | 2018-06-12 | 丁浩华 | A kind of changeable mode polyphase machine |
-
2018
- 2018-02-12 CN CN201820254312.9U patent/CN207819805U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108155847A (en) * | 2018-02-12 | 2018-06-12 | 丁浩华 | A kind of changeable mode polyphase machine |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 Termination date: 20210212 |