CN210225292U - Driving system capable of switching motor windings - Google Patents
Driving system capable of switching motor windings Download PDFInfo
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- CN210225292U CN210225292U CN201921434512.3U CN201921434512U CN210225292U CN 210225292 U CN210225292 U CN 210225292U CN 201921434512 U CN201921434512 U CN 201921434512U CN 210225292 U CN210225292 U CN 210225292U
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Abstract
The utility model discloses a switchable motor winding's actuating system, including motor and machine controller, around first set of coil winding and second set of coil winding on the shown stator module, first set of coil winding and second set of coil winding can work alone or make up the work, machine controller include main control unit, the control unit and an inversion unit, the main control unit is responsible for the exchange and the coordination work of external interface data and internal interface data, the control unit control inversion unit work, adopt an inversion unit drive first set of coil winding and second set of coil winding, when the vehicle is in first operating mode state, realize that first set of coil winding and second set of coil winding are established ties; and when the vehicle is in a second working condition state, the first set of coil windings and the second set of coil windings are connected in parallel. It simplifies control, simplifies circuit structure and reduces cost.
Description
The technical field is as follows:
the utility model relates to a driving system of changeable motor winding.
Background art:
for an electric automobile, under different working conditions, the performance requirements on a driving motor system are different. In the prior art, a dual-winding three-phase motor and a control method thereof are also available, wherein dual-winding control is separately controlled by two different inverter units, as shown in fig. 1, different performance requirements of a driving motor system under different working conditions are realized, and a patent with a patent number of 201810457043.0 as a background technology patent. The controller 4 in fig. 1 includes an inverter unit 1 and an inverter 2, and the two sets of coil windings 3 include a first set of 3-phase windings W (containing A, B, C three phases) and a second set of 3-phase windings W2 (containing a, b, c three phases).
The topological circuit structure of the double-inverter driving two sets of coil windings has the following defects:
1. the control of the dual inverter is relatively complex;
2. the double inverter has a complex structure and high cost.
The invention content is as follows:
the utility model aims at providing a but switching motor winding's actuating system, two sets of coil windings of two inverter drive lead to controlling complicated, the structure is complicated, technical problem that manufacturing cost is high among the solution prior art.
The purpose of the utility model is realized by the following technical scheme.
The utility model provides a switchable motor winding's actuating system, includes motor and motor controller, the motor include stator module, rotor subassembly and casing subassembly, shown stator module goes up around there being first set of coil winding and second set of coil winding, first set of coil winding includes U1 phase winding, V1 phase winding and W1 phase winding, second set of coil winding includes U2 phase winding, V2 phase winding and W2 phase winding, first set of coil winding and second set of coil winding make up and work, motor controller include main control unit, the control unit and an inverter unit, the control unit control inverter unit work, main control unit is responsible for the exchange and the cooperative work of external interface data and internal interface data, the one end of U2 phase winding, V2 phase winding and W2 phase winding is connected respectively to 3 output terminals of inverter unit, its characterized in that: the other ends of the U2 phase winding, the V2 phase winding and the W2 phase winding are respectively connected with one ends of the U1 phase winding, the V1 phase winding and the W1 phase winding, the other ends of the U1 phase winding, the V1 phase winding and the W1 phase winding are respectively connected, a first group of switches K1, K2 and K3 are arranged between the first set of coil winding and the second set of coil winding, the other ends of the U2 phase winding, the V2 phase winding and the W2 phase winding are respectively led out and connected through a group of leads L2, L2 and L2, the leads L2, L2 are arranged on the second group of switches K2, K2 and K2 so as to electrify or disconnect the leads L2, L2 and L2, the connection points of the leads L2, L2 and L2 are arranged between the first group of switches K2, K2 and the second set of coil winding, the output ends of the lead 3 of the inverter unit are respectively connected with the leads L2, L2 and L2, L2 so as to enable one ends of the leads of the first group of the switches K2 and L2 of the leads of the, The L5 and the L6 are electrified or disconnected, the other ends of leads L4, L5 and L6 are respectively connected with the U1 phase winding, the V1 phase winding and the W1 phase winding, the connection points of the leads L4, L5 and L6 are positioned between the first set of coil windings and the first switches K1, K2 and K3, and the first switches K1, K2, K3, the second switches K4, K5 and K6 and the third switches K7, K8 and K9 are controlled by the control unit.
When the control unit controls the first group of switches K1, K2 and K3 to be closed, the second group of switches K4, K5 and K6 to be opened and the third group of switches K7, K8 and K9 to be opened, the first set of coil windings and the second set of coil windings are connected in series to work.
When the control unit controls the first group of switches K1, K2 and K3 to be opened, controls the second group of switches K4, K5 and K6 to be closed and controls the third group of switches K7, K8 and K9 to be closed, the first set of coil windings and the second set of coil windings are connected in parallel to work together.
The first group of switches K1, K2, K3, the second group of switches K4, K5, K6 and the third group of switches K7, K8, K9 are controllable switches.
The first group of switches K1, K2, K3 and the third group of switches K7, K8, K9 are bidirectional conducting switches.
The single inversion unit, the control unit and the main control unit are integrated together.
When the vehicle is in the first working condition state, the control unit controls the first group of switches K1, K2 and K3 to be switched on, and the second group of switches K4, K5 and K6 and the third group of switches K7, K8 and K9 to be switched off, so that the first set of coil windings and the second set of coil windings are connected in series; when the vehicle is in a second working condition state, the control unit controls the first group of switches K1, K2 and K3 to be turned off, the second group of switches K4, K5 and K6 and the third group of switches K7, K8 and K9 to be turned on, and the first set of coil windings and the second set of coil windings are connected in parallel.
Compared with the prior art, the utility model, following effect has:
1) the utility model discloses a stator module is last around having first set of coil winding and second set of coil winding, adopts first set of coil winding of an contravariant unit drive and second set of coil winding, simplifies control, simplifies circuit structure, reduce cost.
2) Other advantages of the invention are described in detail in the description of the embodiments.
Description of the drawings:
FIG. 1 is a block diagram of a prior art circuit for driving two sets of coil windings with dual inverters;
fig. 2 is a block diagram of the circuit of the present invention;
fig. 3 is a circuit diagram of the inverter unit of the present invention.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the following detailed description of preferred embodiments and accompanying drawings.
The first embodiment is as follows:
as shown in fig. 2 and fig. 3, this embodiment is a driving system capable of switching motor windings, including a motor and a motor controller, where the motor includes a stator assembly, a rotor assembly, and a casing assembly, the stator assembly is wound with a first set of coil windings and a second set of coil windings, the first set of coil windings includes a U1 phase winding, a V1 phase winding, and a W1 phase winding, the second set of coil windings includes a U2 phase winding, a V2 phase winding, and a W2 phase winding, the first set of coil windings and the second set of coil windings work in combination, the motor controller includes a main control unit, a control unit, and an inverter unit, the control unit controls the inverter unit to work, the main control unit is responsible for exchanging and coordinating work of external interface data and internal interface data, 3 output terminals of the inverter unit are respectively connected to one end of the U2 phase winding, the V2 phase winding, and the W2 phase winding, the method is characterized in that: the other ends of the U2 phase winding, the V2 phase winding and the W2 phase winding are respectively connected with one ends of the U1 phase winding, the V1 phase winding and the W1 phase winding, the other ends of the U1 phase winding, the V1 phase winding and the W1 phase winding are respectively connected, a first group of switches K1, K2 and K3 are arranged between the first set of coil winding and the second set of coil winding, the other ends of the U2 phase winding, the V2 phase winding and the W2 phase winding are respectively led out and connected through a group of leads L2, L2 and L2, the leads L2, L2 are arranged on the second group of switches K2, K2 and K2 so as to electrify or disconnect the leads L2, L2 and L2, the connection points of the leads L2, L2 and L2 are arranged between the first group of switches K2, K2 and the second set of coil winding, the output ends of the lead 3 of the inverter unit are respectively connected with the leads L2, L2 and L2, L2 so as to enable one ends of the leads of the first group of the switches K2 and L2 of the leads of the, The L5 and the L6 are electrified or disconnected, the other ends of leads L4, L5 and L6 are respectively connected with the U1 phase winding, the V1 phase winding and the W1 phase winding, the connection points of the leads L4, L5 and L6 are positioned between the first set of coil windings and the first switches K1, K2 and K3, and the first switches K1, K2, K3, the second switches K4, K5 and K6 and the third switches K7, K8 and K9 are controlled by the control unit.
When the control unit controls the first group of switches K1, K2 and K3 to be closed, the second group of switches K4, K5 and K6 to be opened and the third group of switches K7, K8 and K9 to be opened, the first set of coil windings and the second set of coil windings are connected in series to work.
When the control unit controls the first group of switches K1, K2 and K3 to be opened, controls the second group of switches K4, K5 and K6 to be closed and controls the third group of switches K7, K8 and K9 to be closed, the first set of coil windings and the second set of coil windings are connected in parallel to work together.
In the 2 applications, the first set of coil winding and the second set of coil winding are combined to work flexibly and conveniently.
The first group of switches K1, K2, K3, the second group of switches K4, K5, K6 and the third group of switches K7, K8, K9 are controllable switches.
The first group of switches K1, K2, K3 and the third group of switches K7, K8, K9 are bidirectional conducting switches.
The main control unit, the single inversion unit and the control unit are integrated together.
When the vehicle is in a first working condition state, the control unit controls the first group of switches K1, K2 and K3 to be switched on, and the second group of switches K4, K5 and K6 and the third group of switches K7, K8 and K9 to be switched off, so that the first set of coil windings and the second set of coil windings are connected in series; when the vehicle is in a second working condition state, the control unit controls the first group of switches K1, K2 and K3 to be turned off, the second group of switches K4, K5 and K6 and the third group of switches K7, K8 and K9 to be turned on, and the first set of coil windings and the second set of coil windings are connected in parallel.
When the vehicle is in a first working condition state, the control unit controls the first group of switches K1, K2 and K3 to be switched on, and the second group of switches K4, K5 and K6 and the third group of switches K7, K8 and K9 to be switched off, so that the first set of coil windings and the second set of coil windings are connected in series; when the vehicle is in a second working condition state, the control unit controls the first group of switches K1, K2 and K3 to be turned off, the second group of switches K4, K5 and K6 and the third group of switches K7, K8 and K9 to be turned on, and the first set of coil windings and the second set of coil windings are connected in parallel. Different combinations (series connection or parallel connection) of the two sets of windings are realized through the single inversion unit, so that the motor outputs different performances to meet the requirements of the working conditions of the vehicle.
The above embodiments are only preferred embodiments of the present invention, but the present invention is not limited thereto, and any other changes, modifications, substitutions, combinations, simplifications, which are made without departing from the spirit and principle of the present invention, are all equivalent replacements within the protection scope of the present invention.
Claims (7)
1. The utility model provides a switchable motor winding's actuating system, includes motor and motor controller, the motor include stator module, rotor subassembly and casing subassembly, shown stator module goes up around there being first set of coil winding and second set of coil winding, first set of coil winding includes U1 phase winding, V1 phase winding and W1 phase winding, second set of coil winding includes U2 phase winding, V2 phase winding and W2 phase winding, first set of coil winding and second set of coil winding make up and work, motor controller include main control unit, the control unit and an inverter unit, the control unit control inverter unit work, main control unit is responsible for the exchange and the cooperative work of external interface data and internal interface data, the one end of U2 phase winding, V2 phase winding and W2 phase winding is connected respectively to 3 output terminals of inverter unit, its characterized in that: the other ends of the U2 phase winding, the V2 phase winding and the W2 phase winding are respectively connected with one ends of the U1 phase winding, the V1 phase winding and the W1 phase winding, the other ends of the U1 phase winding, the V1 phase winding and the W1 phase winding are respectively connected, a first group of switches K1, K2 and K3 are arranged between the first set of coil windings and the second set of coil windings, the other ends of the U3 phase winding, the V3 phase winding and the W3 phase winding are respectively led out and connected through a group of leads L3, L3 and L3, the leads L3, L3 are arranged on the U3 phase winding, the K3 phase winding and the K3 phase winding, the second group of switches K3, K3 are arranged on the leads L3, L3 and L3 are respectively switched on or off, the connection points of the leads L3, L3 and L3 are arranged between the first group of switches K3, K3 and the second set of coils, the output ends of the leads of the inverter unit are respectively connected with the L72, L3 and L3, L3 and L3 are arranged on one ends of the leads of the, The L6 is electrified or disconnected, the other ends of leads L4, L5 and L6 are respectively connected with the U1 phase winding, the V1 phase winding and the W1 phase winding, the connection points of the leads L4, L5 and L6 are positioned between the first set of coil windings and the first switches K1, K2 and K3, and the first switches K1, K2, K3, the second switches K4, K5 and K6 and the third switches K7, K8 and K9 are controlled by the control unit.
2. A drive system for switchable motor windings according to claim 1, characterised in that: when the control unit controls the first group of switches K1, K2 and K3 to be closed, the second group of switches K4, K5 and K6 to be opened and the third group of switches K7, K8 and K9 to be opened, the first set of coil windings and the second set of coil windings are connected in series to work.
3. A drive system for switchable motor windings according to claim 1, characterised in that: when the control unit controls the first group of switches K1, K2 and K3 to be opened, controls the second group of switches K4, K5 and K6 to be closed and controls the third group of switches K7, K8 and K9 to be closed, the first set of coil windings and the second set of coil windings are connected in parallel to work together.
4. A drive system for switchable motor windings according to any one of claims 1 to 3, characterised in that: the first group of switches K1, K2, K3, the second group of switches K4, K5, K6 and the third group of switches K7, K8, K9 are controllable switches.
5. A drive system for switchable motor windings according to any one of claims 1 to 3, characterised in that: the first group of switches K1, K2, K3 and the third group of switches K7, K8, K9 are bidirectional conducting switches.
6. A drive system for switchable motor windings according to claim 4, characterised in that: the single inversion unit, the control unit and the main control unit are integrated together.
7. A drive system for switchable motor windings according to any one of claims 1 to 3, characterised in that: when the vehicle is in a first working condition state, the control unit controls the first group of switches K1, K2 and K3 to be switched on, and the second group of switches K4, K5 and K6 and the third group of switches K7, K8 and K9 to be switched off, so that the first set of coil windings and the second set of coil windings are connected in series; when the vehicle is in a second working condition state, the control unit controls the first group of switches K1, K2 and K3 to be turned off, the second group of switches K4, K5 and K6 and the third group of switches K7, K8 and K9 to be turned on, and the first set of coil windings and the second set of coil windings are connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921434512.3U CN210225292U (en) | 2019-08-31 | 2019-08-31 | Driving system capable of switching motor windings |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921434512.3U CN210225292U (en) | 2019-08-31 | 2019-08-31 | Driving system capable of switching motor windings |
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| CN210225292U true CN210225292U (en) | 2020-03-31 |
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| CN201921434512.3U Active CN210225292U (en) | 2019-08-31 | 2019-08-31 | Driving system capable of switching motor windings |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111654125A (en) * | 2020-06-04 | 2020-09-11 | 大连智鼎科技有限公司 | Multi-working-mode permanent magnet synchronous motor and control method thereof |
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2019
- 2019-08-31 CN CN201921434512.3U patent/CN210225292U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111654125A (en) * | 2020-06-04 | 2020-09-11 | 大连智鼎科技有限公司 | Multi-working-mode permanent magnet synchronous motor and control method thereof |
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