CN219938114U - Three-phase asynchronous brake motor with PFC rectifier - Google Patents
Three-phase asynchronous brake motor with PFC rectifier Download PDFInfo
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- CN219938114U CN219938114U CN202321158093.1U CN202321158093U CN219938114U CN 219938114 U CN219938114 U CN 219938114U CN 202321158093 U CN202321158093 U CN 202321158093U CN 219938114 U CN219938114 U CN 219938114U
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- motor
- brake
- end cover
- rectifier
- junction box
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- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a PFC rectifier-containing three-phase asynchronous brake motor, which comprises a motor shell, wherein a front end cover and a rear end cover are respectively arranged at two ends of the motor shell, a stator iron core and a cast aluminum rotor are embedded in the motor shell, the cast aluminum rotor is sleeved on a rotating shaft, two end parts of the rotating shaft are respectively arranged in bearings of the front end cover and the rear end cover, a junction box and a fan cover are arranged on the motor shell, and a brake is arranged in the fan cover; the junction box comprises a junction box seat, a rectifier mounting plate is arranged in the junction box seat, a PFC rectifier is arranged on the rectifier mounting plate, and a junction plate and an encoder junction plate are also arranged in the junction box seat. According to the utility model, the motor brake rectifying block directly provides direct current by the motor wiring board, and the PFC voltage stabilizing circuit is used for providing the rectifying block of the direct current for the motor brake, so that motors with different rated voltages can use the same brake, the types of the brake are reduced, and the production cost is reduced.
Description
Technical Field
The utility model relates to the technical field related to braking motors, in particular to a three-phase asynchronous braking motor with a PFC rectifier.
Background
The brake motor is used as an important electromechanical conversion device, realizes electric energy conversion or transmission by utilizing an electromagnetic induction principle, is widely applied to various mechanical devices and transmission devices requiring quick stop and accurate positioning, and is positioned at a core mechanical position of electromechanical conversion in the fields of metal processing machine tools, packaging machinery, chemical industry, spinning, elevators and the like.
The existing braking motor braking rectification module can only convert alternating current with different amplitude values into direct current with corresponding amplitude values, even if motors with the same size and different rated voltages also need corresponding brakes with different direct current voltages, the universality is low, and the production complexity and cost are increased.
Disclosure of Invention
The utility model aims to provide a three-phase asynchronous brake motor with a PFC rectifier, which aims to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the three-phase asynchronous brake motor with the PFC rectifier comprises a motor shell, wherein a front end cover and a rear end cover are respectively arranged at two ends of the motor shell, a stator iron core and a cast aluminum rotor are embedded in the motor shell, the cast aluminum rotor is sleeved on a rotating shaft, two end parts of the rotating shaft are respectively arranged in bearings of the front end cover and the rear end cover, a junction box and a fan cover are arranged on the motor shell, and a brake is arranged in the fan cover; the junction box comprises a junction box seat, a rectifier mounting plate is arranged in the junction box seat, a PFC rectifier is arranged on the rectifier mounting plate, and a junction plate and an encoder junction plate are also arranged in the junction box seat.
Preferably, the motor shell is matched with the front end cover and the rear end cover by adopting an outer spigot structure.
Preferably, the PFC rectifier includes a rectifying circuit and a PFC voltage stabilizing circuit.
Compared with the prior art, the utility model has the beneficial effects that: the motor brake rectifying block directly provides direct current by the motor wiring board, and the PFC voltage stabilizing circuit is used for providing the rectifying block of the direct current for the motor brake, so that motors with different rated voltages can use the same brake, the types of the brake are reduced, and the production cost is reduced.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic structural view of the junction box of the present utility model.
In the figure: 1. a motor housing; 2. a front end cover; 3. a rear end cover; 4. a stator core; 5. a cast aluminum rotor; 6. a rotating shaft; 7. a bearing; 8. a junction box; 9. a fan housing; 10. a brake; 81. a junction box seat; 82. a PFC rectifier; 83. a wiring board; 84. a rectifier mounting plate; 85. an encoder wiring board.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Referring to fig. 1-2, in the embodiment of the utility model, a three-phase asynchronous brake motor with a PFC rectifier comprises a motor housing 1, wherein a front end cover 2 and a rear end cover 3 are respectively installed at two ends of the motor housing 1, a stator core 4 and a cast aluminum rotor 5 are embedded in the motor housing 1, the cast aluminum rotor 5 is sleeved on a rotating shaft 6, two end parts of the rotating shaft 6 are respectively arranged in bearings 7 of the front end cover 2 and the rear end cover 3, a junction box 8 and a fan cover 9 are arranged on the motor housing 1, and a brake 10 is installed in the fan cover 9; the junction box 8 comprises a junction box seat 81, a rectifier mounting plate 84 is arranged in the junction box seat 81, a PFC rectifier 82 is arranged on the rectifier mounting plate 84, and a junction plate 83 and an encoder junction plate 85 are also arranged in the junction box seat 81; the motor shell 1 is matched with the front end cover 2 and the rear end cover 3 by adopting an outer spigot structure; the PFC rectifier 82 includes a rectifying circuit and a PFC voltage regulator circuit; a rectifier with a PFC voltage stabilizing circuit is selected to supply power for the brake; the rectifier alternating-current end is connected to a motor stator power supply terminal to provide single-phase alternating current equal to the rated voltage of the motor, and the single-phase alternating current is changed into direct current with corresponding size after passing through a rectifying circuit; DC-DC voltage conversion is carried out on the DC voltage through the PFC circuit, and different DC voltages are converted into the same brake working voltage; thereby realizing the purpose of general use of the brake; the motor brake rectifying block directly provides direct current by the motor wiring board, and the PFC voltage stabilizing circuit is used for providing the rectifying block of the direct current for the motor brake, so that motors with different rated voltages can use the same brake, the types of the brake are reduced, and the production cost is reduced.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (3)
1. The utility model provides a contain PFC rectifier three-phase asynchronous brake motor, includes motor housing (1), its characterized in that: the motor comprises a motor shell (1), wherein a front end cover (2) and a rear end cover (3) are respectively arranged at two ends of the motor shell (1), a stator iron core (4) and a cast aluminum rotor (5) are embedded in the motor shell (1), the cast aluminum rotor (5) is sleeved on a rotating shaft (6), two end parts of the rotating shaft (6) are respectively arranged in bearings (7) of the front end cover (2) and the rear end cover (3), a junction box (8) and a fan cover (9) are arranged on the motor shell (1), and a brake (10) is arranged in the fan cover (9);
junction box (8) are including terminal box seat (81), install rectifier mounting panel (84) in terminal box seat (81), install PFC rectifier (82) on rectifier mounting panel (84), still install wiring board (83) and encoder wiring board (85) in terminal box seat (81).
2. A three-phase asynchronous brake motor with PFC rectifier (82) according to claim 1, characterized in that: the motor shell (1) is matched with the front end cover (2) and the rear end cover (3) through an outer spigot structure.
3. A three-phase asynchronous brake motor with PFC rectifier (82) according to claim 1, characterized in that: the PFC rectifier (82) comprises a rectifying circuit and a PFC voltage stabilizing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321158093.1U CN219938114U (en) | 2023-05-15 | 2023-05-15 | Three-phase asynchronous brake motor with PFC rectifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321158093.1U CN219938114U (en) | 2023-05-15 | 2023-05-15 | Three-phase asynchronous brake motor with PFC rectifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219938114U true CN219938114U (en) | 2023-10-31 |
Family
ID=88496044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321158093.1U Active CN219938114U (en) | 2023-05-15 | 2023-05-15 | Three-phase asynchronous brake motor with PFC rectifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219938114U (en) |
-
2023
- 2023-05-15 CN CN202321158093.1U patent/CN219938114U/en active Active
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