CN111130230A - 6-slot 4-pole centralized winding brushless direct-current water pump motor - Google Patents
6-slot 4-pole centralized winding brushless direct-current water pump motor Download PDFInfo
- Publication number
- CN111130230A CN111130230A CN202010056060.0A CN202010056060A CN111130230A CN 111130230 A CN111130230 A CN 111130230A CN 202010056060 A CN202010056060 A CN 202010056060A CN 111130230 A CN111130230 A CN 111130230A
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- Prior art keywords
- stator
- rotor
- slot
- pump motor
- pole
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/02—Details of the magnetic circuit characterised by the magnetic material
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The invention provides a 6-slot 4-pole centralized winding brushless direct-current water pump motor. Comprises a stator, a rotor sleeved in the stator and a controller device used for driving a motor to work; the stator comprises a stator iron core, a coil framework and a stator coil; the coil framework is sleeved on the stator iron core, and the stator coil is wound on the coil framework; the six stator pole teeth are uniformly distributed on the circumference of the stator core; the coil framework is sleeved on the stator pole teeth; the rotor has four magnetic poles. The invention can realize the rotation of the driving rotor, provide torque, convert electric energy into mechanical energy, generate centrifugal high-speed rotation and realize the conversion of liquid lift and flow; the number of the stator pole teeth is not equal to that of the rotor magnetic poles, and the area of mutual attraction of the stator pole teeth and the rotor magnetic poles is reduced, so that the resistance to be overcome when the motor is started is reduced, and the working efficiency of the motor is improved.
Description
Technical Field
The invention relates to the technical field of water pump motors, in particular to a 6-slot 4-pole concentrated winding brushless direct-current water pump motor.
Background
At present, a rotor of a brushless motor in the market comprises punching sheets, the cross section of each punching sheet is of a whole circle, the number of stator pole teeth is equal to that of rotor magnetic poles, when the motor is in a static state, a permanent magnet in the rotor attracts the stator, when the brushless motor is started and rotated, the attraction force of a larger magnet needs to be overcome, the larger the magnetic force is, the larger the loss is, the lower the efficiency of the motor is, the efficiency of a common brushless motor is generally between 85% and 87%, the brushless motor is greatly wasted, and the upper surface of the rotor does not comprise an impeller.
In summary, there is a need for a 6-slot 4-pole concentrated winding brushless dc pump motor to solve the problems existing in the prior art.
Disclosure of Invention
The invention aims to provide a 6-slot 4-pole centralized winding brushless direct-current water pump motor to solve the problem of low working efficiency of the motor.
In order to achieve the aim, the invention provides a 6-slot 4-pole concentrated winding brushless direct current pump motor which comprises a stator, a rotor and a controller device, wherein the rotor is sleeved in the stator, and the controller device is used for driving the motor to work; the controller device is arranged at one end of the stator;
the stator comprises a stator iron core, a coil framework and a stator coil; the coil framework is sleeved on the stator iron core, and the stator coil is wound on the coil framework;
the six stator pole teeth are uniformly distributed on the circumference of the stator core; the coil framework is sleeved on the stator pole teeth; the rotor has four magnetic poles;
preferably, the stator pole teeth are Y-shaped symmetrical structures.
Preferably, the rotor is made of permanent magnet magnetic powder and plastic through injection molding.
Preferably, an impeller is connected to an end of the rotor, and the impeller rotates with the rotor.
Preferably, the air gap between the stator and the rotor is uniform.
Preferably, the length of the magnet on the rotor is larger than that of the stator core, and the two ends of the magnet are 1-4 mm longer than that of the stator core.
The technical scheme of the invention has the following beneficial effects:
the invention can realize the rotation of the driving rotor, provide torque, convert electric energy into mechanical energy, generate centrifugal high-speed rotation and realize the conversion of liquid lift and flow; the number of the stator pole teeth is not equal to that of the rotor magnetic poles, and the area of mutual attraction of the stator pole teeth and the rotor magnetic poles is reduced, so that the resistance to be overcome when the motor is started is reduced, and the working efficiency of the motor is improved. The length of magnet on the rotor is greater than stator core's length, and magnet both ends all are 1 ~ 4mm than stator core length. The motor can bear increased current, increased magnetic flux, reduced magnetic leakage and improved heat capacity.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the motor;
FIG. 2 is a schematic view of a stator structure;
FIG. 3 is a schematic view of a stator core construction;
the stator comprises a stator 1, a stator 11, a stator core 111, stator pole teeth 12, a coil framework 13, a stator coil 2, a rotor 21, a magnet 3, a controller device 4 and an impeller.
Detailed Description
Embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Example 1:
referring to fig. 1 to 3, a 6-slot 4-pole concentrated winding brushless dc pump motor includes a stator 1, a rotor 2 sleeved in the stator 1, and a controller device 3 for driving the motor to work; the controller device 3 is arranged at one end of the stator 1;
the stator 1 comprises a stator iron core 11, a coil framework 12 and a stator coil 13; the coil framework 12 is sleeved on the stator iron core 11, and the stator coil 13 is wound on the coil framework 12;
the stator core 11 is provided with six stator pole teeth 111, and the six stator pole teeth 111 are uniformly distributed on the circumference of the stator core 11; the coil framework 12 is sleeved on the stator pole teeth 111; the rotor 2 has four magnetic poles. The number of the stator pole teeth is not equal to that of the rotor magnetic poles, and the area of mutual attraction of the stator pole teeth and the rotor magnetic poles is reduced, so that the resistance to be overcome when the motor is started is reduced, and the working efficiency of the motor is improved.
The stator pole teeth 111 are Y-shaped symmetrical structures; as shown in fig. 3, the bevel angle a is the same on both sides of the stator teeth.
The rotor 2 is made of permanent magnet magnetic powder and plastic through injection molding. The end of the rotor 2 is connected with an impeller 4, and the impeller 4 rotates along with the rotor 2. The air gap between the stator 1 and the rotor 2 is uniform. The heat dissipation of the motor is facilitated.
The length of magnet 21 is greater than stator core 11's length on the rotor, and magnet 21 both ends all are longer than stator core 111 ~ 4 mm. The motor can bear increased current, increased magnetic flux, reduced magnetic leakage and improved heat capacity.
Above-mentioned 6 brushless DC pump motor of 4 utmost points of groove concentrated winding can realize the drive rotor rotation, provides the torque, converts the electrical energy into mechanical energy, produces the high-speed rotation of centrifugation, realizes the transformation of liquid lift and flow.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A6-slot 4-pole centralized winding brushless direct-current water pump motor is characterized by comprising a stator (1), a rotor (2) sleeved in the stator (1) and a controller device (3) used for driving the motor to work; the controller device (3) is arranged at one end of the stator (1);
the stator (1) comprises a stator iron core (11), a coil framework (12) and a stator coil (13); the coil framework (12) is sleeved on the stator iron core (11), and the stator coil (13) is wound on the coil framework (12);
six stator pole teeth (111) are arranged on the stator core (11), and the six stator pole teeth (111) are uniformly distributed on the circumference of the stator core (11); the coil framework (12) is sleeved on the stator pole teeth (111); the rotor (2) has four magnetic poles.
2. The 6-slot 4-pole concentrated winding brushless direct current water pump motor as claimed in claim 1, wherein the stator pole teeth (111) are Y-shaped symmetrical structures.
3. The 6-slot 4-pole centralized winding brushless direct current water pump motor according to claim 1, characterized in that the rotor (2) is made of permanent magnet magnetic powder and plastic through injection molding.
4. A 6-slot 4-pole concentrated winding brushless dc water pump motor according to claim 3, characterized in that the end of the rotor (2) is connected with an impeller (4), and the impeller (4) rotates with the rotor (2).
5. A 6-slot 4-pole concentrated winding brushless dc water pump motor according to claim 1, characterized in that the air gap between the stator (1) and the rotor (2) is uniform.
6. The 6-slot 4-pole concentrated winding brushless direct current pump motor according to claim 1, characterized in that the length of the magnet (21) on the rotor is greater than that of the stator core (11), and both ends of the magnet (21) are 1-4 mm longer than the stator core (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010056060.0A CN111130230A (en) | 2020-01-17 | 2020-01-17 | 6-slot 4-pole centralized winding brushless direct-current water pump motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010056060.0A CN111130230A (en) | 2020-01-17 | 2020-01-17 | 6-slot 4-pole centralized winding brushless direct-current water pump motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111130230A true CN111130230A (en) | 2020-05-08 |
Family
ID=70491062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010056060.0A Pending CN111130230A (en) | 2020-01-17 | 2020-01-17 | 6-slot 4-pole centralized winding brushless direct-current water pump motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111130230A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022042366A1 (en) * | 2020-08-30 | 2022-03-03 | 大福泵业有限公司 | Micro integrated permanent magnet rotor |
-
2020
- 2020-01-17 CN CN202010056060.0A patent/CN111130230A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022042366A1 (en) * | 2020-08-30 | 2022-03-03 | 大福泵业有限公司 | Micro integrated permanent magnet rotor |
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