Novel built-in electronic control rare earth motor assembly
By introducing a combination design of protective plate, dustproof shell, heat dissipation fan and heat sink into the rare earth motor assembly, the problems of dust intrusion and low heat dissipation efficiency are solved, the protection and heat dissipation efficiency of the motor are improved, and the service life of the motor is extended.
Patent Information
- Application Number
- CN202422410728.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-08
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-10-08
AI Technical Summary
The precision electrical components and mechanical structures inside rare earth motors are susceptible to dust and impurities, resulting in degradation of electrical performance, insulation damage, intensification of mechanical wear, and reduced heat dissipation efficiency, affecting the performance and life of the motor.
The combination structure of protective plate, dustproof shell, dustproof plug, heat dissipation fan and heat sink is adopted, combined with the design of rubber card block, limit block and installation box, to achieve dustproof and efficient heat dissipation of motor components, prevent dust from entering and effectively discharge heat.
Effectively prevent dust from intrusion, improve the protection and heat dissipation efficiency of motor components, extend the service life of the motor, and avoid the impact of overheating.
Smart Images

Figure CN223261357U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of motors, and in particular relates to a novel rare earth motor component with built-in electronic control. Background Art
[0002] Rare earth motor assemblies with built-in electronic control typically combine rare earth permanent magnet materials with modern electronic control technology to achieve efficient, precise, and reliable motor operation. Rare earth motor assemblies with built-in electronic control are widely used in new energy vehicles, wind power generation, industrial automation, aerospace, and other fields. For example, in new energy vehicles, this type of motor assembly acts as a drive motor, providing strong power and efficient energy utilization; in wind power generation, it acts as a generator to convert wind energy into electrical energy. However, this device also has the following defects: When the above-mentioned equipment is in use, the rare earth motor contains precise electrical components and mechanical structures such as permanent magnets, windings, bearings, etc. Dust and impurities may enter the interior of the motor and adhere to these components, resulting in reduced electrical performance, insulation damage, or increased mechanical wear. The accumulation of dust will block the heat dissipation channels of the motor, reducing heat dissipation efficiency, making the motor prone to overheating during operation, thereby affecting the performance and life of the motor.
[0003] The prior art also has the following technical defects:
[0004] 1. Currently, the rare earth motor industry mainly uses traditional processes;
[0005] 2. The electronic control is external and the integrity of the motor components is poor;
[0006] 3. The integral stator core is limited by the slot opening and winding, resulting in a low slot fill rate and low motor power density;
[0007] 4. The motor winding wire uses a straight-out form, which has a low protection level and is inconvenient to assemble;
[0008] 5. Single-channel I / O communication with the host computer, poor reliability;
[0009] 6. The heat dissipation area of the shell is insufficient. Utility Model Content
[0010] The purpose of this utility model is to provide a novel rare earth motor assembly with built-in electronic control, aiming to solve the problem in the prior art that, when the above-mentioned equipment is in use, dust and impurities may enter the interior of the rare earth motor, which contains precise electrical components and mechanical structures such as permanent magnets, windings, and bearings, and adhere to these components, resulting in reduced electrical performance, insulation damage, or increased mechanical wear. In addition, dust accumulation can block the heat dissipation channels of the motor, reducing heat dissipation efficiency and making the motor prone to overheating during operation, thereby affecting the performance and life of the motor.
[0011] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: A new type of rare earth motor assembly with built-in electronic control, comprising: a motor assembly body, a rotor and a stator are arranged in the motor assembly body, the front end of the motor assembly body is sleeved with a protective plate, one side of the protective plate is engaged with a rubber block, the other side of the rubber block is connected to the dustproof shell, the dustproof shell is sleeved on the outer wall of the motor assembly body, the bottom support frame of the motor assembly body is sleeved with a dust plug, the dust plug is engaged with the bottom groove of the dustproof shell, the top of the dustproof shell is provided with a mounting box, the top of the mounting box is connected to a limit block, the top of the limit block is engaged with the top plate, the top of the top plate is engaged with a cooling fan, the bottom of the cooling fan abuts against the heat sink, one side of the heat sink is engaged with the opening end of the mounting box, and the bottom of the heat sink abuts against the top of the motor assembly body.
[0012] In order to use rubber blocks to fix the connection between the dustproof housing and the protective plate, as a preferred embodiment of a new type of rare earth motor component with built-in electronic control in the utility model, six rubber blocks are distributed in a ring at the open end of the dustproof housing, and six through grooves are opened on the side wall of the protective plate, whose shapes and sizes are consistent with the rubber blocks.
[0013] In order to utilize the dust plug to block the gap at the bottom of the dustproof housing, as a preferred embodiment of a novel rare earth motor assembly with built-in electronic control in the present invention, a through groove is provided on the side wall of the dust plug, and its shape and size are consistent with the bottom support foot of the motor assembly body.
[0014] In order to utilize the limit block to fix the connection between the top plate and the mounting box, as a preferred embodiment of a new type of rare earth motor assembly with built-in electronic control in the present invention, the limit block is a "T"-shaped integrated structure, and a slide groove is provided at the bottom of the top plate, and its shape and size are consistent with the limit block.
[0015] In order to utilize the through slots opened on the top to fix the heat sink, as a preferred embodiment of a new type of rare earth motor component with built-in electronic control in the present invention, two rectangular through slots are opened on the side wall of the top plate, whose shape and size are consistent with the heat dissipation fan, and the side wall of the heat dissipation fan is provided with a semicircular protrusion, whose shape and size are consistent with the groove on the top of the top plate.
[0016] In order to fix the position of the vertical plate on one side of the heat sink by snapping it into the open end of the mounting box, as a preferred embodiment of a novel rare earth motor assembly with built-in electronic control in the present invention, the shape and size of the vertical plate on one side of the heat sink are consistent with the open end of the mounting box.
[0017] Compared with the prior art, the beneficial effects of the present invention are:
[0018] 1. The protective plate is sleeved on the front end of the motor assembly body and the rubber protrusion is fixed on it. The protective plate and the dustproof shell cooperate to protect the internal motor assembly body from dust, preventing external dust from invading the components inside the motor assembly body and affecting their service life;
[0019] 2. At the same time, the heat dissipation fan installed on the installation box and the heat sink whose bottom is abutted against the top of the motor assembly body are used to dissipate the heat generated by the motor assembly body during operation, thereby preventing high temperature from affecting the performance and life of the motor assembly body.
[0020] 3. The stator of the motor assembly adopts the block-circle laser welding process, the motor winding adopts the phase-splitting bus-ring transfer structure, the electronic drive controller is built into the motor, the electronic drive controller and the host computer communicate using a dual CAN redundant structure, and the radiator ribs and the casing are integrally die-cast. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0022] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0023] Figure 2 This is a side structural diagram of the present utility model;
[0024] Figure 3 This is a schematic diagram of the top view of the structure of the utility model;
[0025] Figure 4 This is an enlarged structural diagram of the dustproof shell of the utility model;
[0026] Figure 5 This is an enlarged structural diagram of the top plate portion of the present invention;
[0027] Figure 6 This is a schematic diagram of the enlarged structure of the heat sink portion of the utility model;
[0028] Figure 7 This is a schematic diagram of the main structure of the motor assembly body of the present utility model;
[0029] Figure 8 This is a schematic diagram of the explosion structure of the rotor of the motor assembly of the present utility model;
[0030] Figure 9 This is a schematic diagram of the stator explosion structure of the motor assembly of the present utility model;
[0031] Figure 10This is a schematic diagram of the principle of the motor controller of the present utility model.
[0032] In the figure: 1. Motor assembly body; 101. Rotor; 102. Stator; 2. Protective plate; 3. Rubber clamp; 4. Dustproof housing; 5. Dust plug; 6. Mounting box; 7. Limit block; 8. Top plate; 9. Cooling fan; 10. Heat sink. DETAILED DESCRIPTION
[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0034] See also Figure 1-10 The present invention provides the following technical solutions: a new type of rare earth motor assembly with built-in electronic control, comprising: a motor assembly body 1, a rotor 101 and a stator 102 are arranged in the motor assembly body 1, the model of the motor assembly body 1 in this design is: rare earth synchronous permanent magnet motor, the motor assembly body 1 in this technical solution is provided with a stator, a rotor, a high-performance permanent magnet, an electronic control unit (ECU), sensors and other auxiliary components in its interior, the motor assembly body 1 in this design is applied to new energy armored vehicles, which have a highly integrated and technology-intensive system, which combines rare earth permanent magnet materials, power electronics technology, control theory and application requirements unique to armored vehicles, the mechanism is a conventional technology in this field, and it has no relevance to the technical problems in this technical solution, so it will not be described in detail in this technical solution, in specific use, the electronic control mechanism built into the motor assembly body 1 is used to control the stator, rotor and high-performance permanent magnet that constitute the motor assembly body 1 using sensors.
[0035] The front end of the motor assembly body 1 is sleeved with a protective plate 2, one side of the protective plate 2 is engaged with a rubber block 3, the other side of the rubber block 3 is connected to the dustproof shell 4, the dustproof shell 4 is sleeved on the outer wall of the motor assembly body 1, the bottom support frame of the motor assembly body 1 is sleeved with a dust plug 5, the dust plug 5 is engaged with the bottom groove of the dustproof shell 4, the top of the dustproof shell 4 is provided with a mounting box 6, the top of the mounting box 6 is connected to a limit block 7, the top of the limit block 7 is engaged with the top plate 8, the top of the top plate 8 is engaged with a cooling fan 9, the bottom of the cooling fan 9 abuts against the heat sink 10, one side of the heat sink 10 is engaged with the open end of the mounting box 6, and the bottom of the heat sink 10 abuts against the top of the motor assembly body 1.
[0036] Preferably, six rubber blocks 3 are distributed in a ring shape at the open end of the dustproof housing 4 , and six through slots are provided on the side wall of the protective plate 2 , whose shapes and sizes are consistent with those of the rubber blocks 3 .
[0037] During specific use, the protective plate 2 is sleeved on the front end of the motor assembly body 1 and then the other side is fixed to the protective plate 2 using the rubber clamp 3 to fix the connection between the dustproof shell 4 and the protective plate 2.
[0038] Preferably, a through groove is provided on the side wall of the dust plug 5 , and its shape and size are consistent with the supporting feet at the bottom of the motor assembly body 1 .
[0039] During specific use, the dust plug 5 sleeved on the supporting foot at the bottom of the motor assembly body 1 fills the groove gap opened at the bottom thereof, thereby utilizing the cooperation of the protective plate 2 and the dustproof shell 4 to provide dust protection for the motor assembly body 1.
[0040] Preferably, the limiting block 7 is a “T”-shaped integrated structure, and a sliding groove is provided at the bottom of the top plate 8 , the shape and size of which are consistent with those of the limiting block 7 .
[0041] During specific use, the limit blocks 7 provided on both sides of the top of the installation box 6 connected to the top of the dustproof shell 4 enable the top plate 8 to be snap-fitted and fixed to the top of the installation box 6 .
[0042] Preferably, two rectangular through grooves are provided on the side wall of the top plate 8 , whose shape and size are consistent with those of the heat dissipation fan 9 , and a semicircular protrusion is provided on the side wall of the heat dissipation fan 9 , whose shape and size are consistent with those of the top groove of the top plate 8 .
[0043] During specific use, the two through slots on the side wall of the top plate 8 are used to fix the position of the cooling fan 9 so that the cooling fins 10 engaged at the bottom of the opening of the mounting box 6 abut against the motor assembly body 1 .
[0044] Preferably, the shape and size of the vertical plate on one side of the heat sink 10 are consistent with the open end of the installation box 6.
[0045] During specific use, the vertical plate of the side wall of the heat sink 10 is engaged with the open end of the installation box 6 to fix the connection between the heat sink 10 and the installation box 6.
[0046] Working principle: A protective plate 2 is sleeved on the front end of the motor assembly body 1 and then the other side is fixed to the protective plate 2 with a rubber clip 3 to fix the connection between the dustproof shell 4 and the protective plate 2. At the same time, the dust plug 5 sleeved on the supporting foot at the bottom of the motor assembly body 1 fills the groove gap opened at its bottom, so that the motor assembly body 1 is protected from dust by the cooperation of the protective plate 2 and the dustproof shell 4, and dust is prevented from invading the components inside the motor assembly body 1 and affecting its life. At the same time, the limit blocks 7 on both sides of the top of the mounting box 6 connected to the top of the dustproof shell 4 allow the top plate 8 to be snapped and fixed to the top of the mounting box 6. The two through grooves opened on the side walls of the top plate 8 are used to facilitate the fixing of the position of the cooling fan 9, so that the heat sink 10 that is snapped on the bottom of the open end of the mounting box 6 and abuts against the motor assembly body 1 can transfer the heat generated by the motor assembly body 1 during operation through the heat sink 10 to the cooling fan 9 abutting on the top and discharge and diffuse the heat, thereby improving the heat dissipation efficiency of the motor assembly body 1 and avoiding the influence of high temperature on the performance and life of the motor assembly body 1.
[0047] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.
Claims
1. A novel rare earth motor assembly with built-in electronic control, comprising: The motor assembly body (1) is provided with a rotor (101) and a stator (102), and is characterized in that: the front end of the motor assembly body (1) is sleeved with a protective plate (2), one side of the protective plate (2) is engaged with a rubber block (3), the other side of the rubber block (3) is connected to a dustproof shell (4), the dustproof shell (4) is sleeved on the outer wall of the motor assembly body (1), the bottom support frame of the motor assembly body (1) is sleeved with a dust plug (5), and the dust plug (5 ) is engaged and connected to the bottom groove of the dustproof shell (4), the top of the dustproof shell (4) is provided with a mounting box (6), the top of the mounting box (6) is connected to the limit block (7), the top of the limit block (7) is engaged and connected to the top plate (8), the top of the top plate (8) is engaged and connected to the heat dissipation fan (9), the bottom of the heat dissipation fan (9) abuts against the heat sink (10), one side of the heat sink (10) is engaged and connected to the open end of the mounting box (6), and the bottom of the heat sink (10) abuts against the top of the motor component body (1).
2. A novel rare earth motor assembly with built-in electronic control according to claim 1, characterized in that: Six rubber blocks (3) are distributed in an annular manner at the open end of the dustproof housing (4), and six through slots are provided on the side wall of the protective plate (2), the shapes and sizes of which are consistent with those of the rubber blocks (3).
3. The novel rare earth motor assembly with built-in electronic control according to claim 1, characterized in that: The side wall of the dust plug (5) is provided with a through slot, the shape and size of which are consistent with the bottom support foot of the motor assembly body (1).
4. The novel rare earth motor assembly with built-in electronic control according to claim 1, characterized in that: The limit block (7) is a "T"-shaped integrated structure, and a sliding groove is provided at the bottom of the top plate (8), the shape and size of which are consistent with those of the limit block (7).
5. The novel rare earth motor assembly with built-in electronic control according to claim 1, characterized in that: The side wall of the top plate (8) is provided with two rectangular through grooves whose shape and size are consistent with those of the heat dissipation fan (9), and the side wall of the heat dissipation fan (9) is provided with a semicircular protrusion whose shape and size are consistent with those of the top groove of the top plate (8).
6. The novel rare earth motor assembly with built-in electronic control according to claim 1, characterized in that: The shape and size of the vertical plate on one side of the heat sink (10) are consistent with the opening end of the installation box (6).