CN221177481U - Ac three-phase two-winding speed regulating motor - Google Patents
Ac three-phase two-winding speed regulating motor Download PDFInfo
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- CN221177481U CN221177481U CN202322966111.5U CN202322966111U CN221177481U CN 221177481 U CN221177481 U CN 221177481U CN 202322966111 U CN202322966111 U CN 202322966111U CN 221177481 U CN221177481 U CN 221177481U
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- 238000004804 winding Methods 0.000 title claims abstract description 67
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 58
- 230000033228 biological regulation Effects 0.000 claims abstract description 26
- 230000002457 bidirectional effect Effects 0.000 claims description 6
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 4
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 2
- 241000555745 Sciuridae Species 0.000 claims description 2
- 238000003475 lamination Methods 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052710 silicon Inorganic materials 0.000 abstract description 4
- 239000010703 silicon Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model relates to an alternating current three-phase two-winding speed regulating motor, and belongs to the technical field of alternating current motors. The motor comprises a shell, a stator, a winding wire slot, a W1 winding coil and a W2 winding coil are arranged on the shell, a rotor is arranged on the inner sides of the W1 winding coil and the W2 winding coil, the rotor is connected with an output shaft, and the output shaft is connected with the shell through a bearing support. The utility model provides an alternating current three-phase two-winding speed regulating motor which has the silicon controlled rectifier speed regulating performance of a single-phase motor and solves the problems of complexity, high cost, large loss, inconvenient use and the like of variable frequency speed regulation of an alternating current three-phase motor.
Description
Technical Field
The utility model relates to an alternating current three-phase two-winding speed regulating motor, and belongs to the technical field of alternating current motors.
Background
The motor speed and power regulating is widely applied to the fields of industry, agriculture, metallurgy, chemical industry and the like, such as fan speed regulation, water pump speed regulation, vibration speed regulation and the like, the existing low-power alternating current speed regulating motor generally adopts single-phase silicon controlled rectifier to regulate power and speed, and the alternating current three-phase motor generally regulates power and speed through a frequency converter, and the frequency converter speed regulation has unique characteristics, but has the defects of complex structure, high cost, high self loss, large volume, inconvenient use and the like for equipment such as alternating current three-phase small fans, water pumps, vibration motors, mobile electric tools and the like.
Disclosure of utility model
In view of the above, the utility model provides an alternating current three-phase two-winding speed regulating motor which has the silicon controlled rectifier speed regulating performance of a single-phase motor and solves the problems of complexity, high cost, large loss, inconvenient use and the like of variable frequency speed regulation of the alternating current three-phase motor.
The utility model provides an alternating current three-phase two-winding speed regulation motor which comprises a speed regulation controller, a motor and a power supply, wherein the speed regulation controller comprises a V1 voltage regulation module and a V2 voltage regulation module, the V1 voltage regulation module and the V2 voltage regulation module are respectively provided with a front end lead wire and a rear end lead wire, the front end lead wires are connected with the power supply, and the rear end lead wires are connected with the motor;
The motor comprises a shell, wherein a stator is arranged on the shell, a winding wire groove is formed in the stator, and a W1 winding coil and a W2 winding coil are wound in the winding wire groove;
The inner sides of the W1 winding coil and the W2 winding coil are provided with rotors, the rotors are connected with an output shaft, and the output shaft is connected with the shell through a bearing.
Preferably, bidirectional thyristors and trigger control circuits are arranged in the V1 voltage regulating module and the V2 voltage regulating module, and two main electrodes of the bidirectional thyristors in the V1 voltage regulating module and the V2 voltage regulating module are correspondingly connected with a front end lead and a rear end lead of the V1 voltage regulating module and the V2 voltage regulating module respectively.
Preferably, the trigger control circuit is provided with a step-down resistor and a speed regulating resistor, the speed regulating resistor is an adjustable potentiometer, and the speed regulating resistors of the V1 voltage regulating module and the V2 voltage regulating module are combined into a duplex adjustable potentiometer.
Preferably, the stator is laminated by silicon steel sheets.
Preferably, one end of the W1 winding coil is connected with a lead wire at the rear end of the V1 voltage regulating module, and the other end of the W1 winding coil is connected with the W2 winding coil in parallel; one end of the W2 winding coil is connected with a lead wire at the rear end of the V2 voltage regulating module, the other end of the W2 winding coil is connected with the W1 winding coil in parallel, and one end of the W1 winding coil is connected with one end of the W2 winding coil in parallel and then connected with a power supply.
Preferably, the rotor is a squirrel cage induction rotor, the rotor is positioned at the inner side of the stator, and the rotor is fixedly connected with the output shaft.
Preferably, the rotor is a rotor with permanent magnet induction.
The utility model has the beneficial effects that:
The utility model provides an alternating current three-phase two-winding speed regulating motor, which is characterized in that any two phases in a three-phase alternating current power supply are reduced in voltage through two groups of voltage regulating modules, the reduced power supply is respectively connected with two-phase winding coils of the motor, the tail ends of the two-phase winding coils are connected with a third phase power supply, the reduced two-phase power supply and the third phase power supply form two high-voltage loops, and the two-phase winding coils form a rotating magnetic field due to the 120-degree phase difference of any two phases of the three-phase alternating current power supply, so that the motor has better speed regulating performance and overload performance through the improvement. The motor is smaller in size, lower in cost and more convenient to use.
Drawings
FIG. 1 is a schematic diagram of a longitudinal section of an AC three-phase two-winding speed regulating motor according to the present utility model;
FIG. 2 is a schematic cross-sectional view of an AC three-phase two-winding speed regulating motor according to the present utility model;
FIG. 3 is a schematic diagram of a speed regulation controller for an AC three-phase two-winding speed regulation motor according to the present utility model;
Fig. 4 is a schematic diagram of an ac three-phase two-winding speed-regulating motor according to the present utility model
(1, Speed regulation controller, 2, V1 voltage regulation module, 3, V2 voltage regulation module, 4, front end lead, 5, rear end lead, 6, motor, 7, shell, 8, stator, 9, winding wire slot, 10, W1 winding coil, 11, W2 winding coil, 12, rotor, 13, output shaft, 14, bearing, 15, bidirectional thyristor, 16, trigger control circuit, 17, step-down resistor, 18, speed regulation resistor)
Detailed Description
Preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
The utility model provides an alternating current three-phase two-winding speed regulating motor, which comprises a speed regulating controller 1, wherein the speed regulating controller 1 comprises a V1 voltage regulating module 2 and a V2 voltage regulating module 3, a front end lead 4 of the V1 voltage regulating module 2 is connected with a power supply U1, a rear end lead 5 is connected with a W1 winding coil 10 of a motor 6, a front end lead 4 of the V2 voltage regulating module 3 is connected with the power supply U2, a rear end lead 5 is connected with a W2 winding coil 11 of the motor 6, the tail ends of the W1 winding coil 10 and the W2 winding coil 11 are combined and connected with the power supply U3, as a voltage reducing resistor 17 is arranged in a trigger control circuit 16 of a bidirectional thyristor 15 contained in the V1 voltage regulating module 2 and the V2 voltage regulating module 3, the power supplies U1 and U2 are subjected to great voltage reduction regulation, at the moment, the voltage and current of the power supplies U1, U2 and U3 are out of balance, the voltage between U1, U3 and U2 and U3 is higher than the voltage between U1 and U2, the conduction flow direction of the three circuits is mainly U1, U3, U2 and U3, the two tend to be balanced, the voltage and current phase difference between U1, U3, U2 and U3 is 120 degrees, and as the W1 winding coil 10 of the motor 6 is connected on the circuits U1 and U3 in series, the W2 winding coil 11 is connected on the circuits U2 and U3 in series, thereby forming a rotating magnetic field and generating electromagnetic induction driving. When the voltage between the U1 and U3 and the voltage between the U2 and U3 are changed along with the voltage between the V1 voltage reducing module and the speed regulating resistor 18 on the V2 voltage reducing module which are continuously connected through the potentiometer, the power and the rotating speed of the motor are correspondingly changed. Because the motor has only two-phase windings, the conduction of the two-phase windings is not affected, so that the two groups of silicon controlled rectifier voltage regulating modules are not interfered with each other, the motor is stable in speed regulation and larger in overload amplitude.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (7)
1. The utility model provides an exchange three-phase two winding speed governing motor, includes speed governing controller, motor, power, its characterized in that: the speed regulation controller comprises a V1 voltage regulation module and a V2 voltage regulation module, wherein front-end leads and rear-end leads are arranged on the V1 voltage regulation module and the V2 voltage regulation module, the front-end leads are connected with a power supply, and the rear-end leads are connected with a motor;
The motor comprises a shell, wherein a stator is arranged on the shell, a winding wire groove is formed in the stator, and a W1 winding coil and a W2 winding coil are wound in the winding wire groove;
The inner sides of the W1 winding coil and the W2 winding coil are provided with rotors, the rotors are connected with an output shaft, and the output shaft is connected with the shell through a bearing.
2. An ac three-phase two-winding speed regulating motor according to claim 1, wherein: the V1 voltage regulating module and the V2 voltage regulating module are internally provided with bidirectional thyristors and trigger control circuits, and two main electrodes of the bidirectional thyristors in the V1 voltage regulating module and the V2 voltage regulating module are correspondingly connected with a front end lead and a rear end lead of the V1 voltage regulating module and the V2 voltage regulating module respectively.
3. An ac three-phase two-winding speed regulating motor according to claim 2, wherein: the trigger control circuit is provided with a step-down resistor and a speed regulating resistor, the speed regulating resistor is an adjustable potentiometer, and the speed regulating resistors of the V1 voltage regulating module and the V2 voltage regulating module are combined into a duplex adjustable potentiometer.
4. An ac three-phase two-winding speed regulating motor according to claim 1, wherein: the stator is made of silicon steel sheets through lamination.
5. An ac three-phase two-winding speed regulating motor according to claim 1, wherein: one end of the W1 winding coil is connected with a lead wire at the rear end of the V1 voltage regulating module, and the other end of the W1 winding coil is connected with the W2 winding coil in parallel; one end of the W2 winding coil is connected with a lead wire at the rear end of the V2 voltage regulating module, the other end of the W2 winding coil is connected with the W1 winding coil in parallel, and one end of the W1 winding coil is connected with one end of the W2 winding coil in parallel and then connected with a power supply.
6. An ac three-phase two-winding speed regulating motor according to claim 1, wherein: the rotor is a squirrel cage induction rotor, the rotor is positioned at the inner side of the stator, and the rotor is fixedly connected with the output shaft.
7. An ac three-phase two-winding speed regulating motor according to claim 1, wherein: the rotor is a permanent magnet induction rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322966111.5U CN221177481U (en) | 2023-10-31 | 2023-10-31 | Ac three-phase two-winding speed regulating motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322966111.5U CN221177481U (en) | 2023-10-31 | 2023-10-31 | Ac three-phase two-winding speed regulating motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221177481U true CN221177481U (en) | 2024-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322966111.5U Active CN221177481U (en) | 2023-10-31 | 2023-10-31 | Ac three-phase two-winding speed regulating motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221177481U (en) |
-
2023
- 2023-10-31 CN CN202322966111.5U patent/CN221177481U/en active Active
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