Vehicle driving motor stator

Abstract

The utility model discloses a vehicle driving motor stator, comprising a vehicle driving motor stator main body, the vehicle driving motor stator main body comprises a base layer, and the outer surface of the base layer is coated with a protective layer. The beneficial effects of the utility model are that through the technical scheme of the application file, the performance of the vehicle driving motor stator in various aspects is improved, the capability of easy damage is realized by adopting two materials for composite protection, the two materials realize a breakthrough of a certain performance, even if one material is damaged, the other material can still play a protection role, and the service life of the vehicle driving motor stator is prolonged. Therefore, the service life of the vehicle driving motor stator is prolonged, and the problems that an existing vehicle driving motor stator is only provided with a single protection structure, such as wear resistance, only the wear resistance of the vehicle driving motor stator can be improved, but the use environment of the vehicle driving motor stator is complex, and the service life of the vehicle driving motor stator is influenced are solved. And a single protection function is easy to cause damage of the vehicle driving motor stator due to other factors in use.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle drive motors, in particular to a vehicle drive motor stator. Background Art

[0002] The stator of an automobile motor is an important component of the automobile motor. Its main function is to generate a rotating magnetic field, while the main function of the rotor is to be cut by the magnetic lines of force in the rotating magnetic field to generate (output) current and obtain torque. The performance of the stator of an automobile motor directly affects the performance and efficiency of the automobile motor. In order to improve the performance and efficiency of the automobile motor, the stator usually needs to be made of materials with high magnetic permeability, and strict quality control and testing are required.

[0003] The existing automotive drive motor stator only has a single protective structure, such as wear resistance, which can only improve the wear resistance of the automotive drive motor stator. However, the use environment of the automotive drive motor stator is complex. The single protective function can easily cause the automotive drive motor stator to be damaged due to other factors during use, thereby reducing the service life of the automotive drive motor stator and cannot meet the needs of today's market. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above problems and / or the problems existing in the existing vehicle drive motor stator, the present utility model is proposed.

[0006] Therefore, the problem to be solved by the utility model is that the existing vehicle drive motor stator has only a single protective structure, such as wear resistance, which can only improve the wear resistance of the vehicle drive motor stator, but the use environment of the vehicle drive motor stator is complex. The single protective function can easily cause the vehicle drive motor stator to be damaged due to other factors during use, thereby reducing the service life of the vehicle drive motor stator and cannot meet the needs of today's market.

[0007] To solve the above technical problems, the utility model provides the following technical solutions: a stator for a vehicle drive motor, comprising a stator body for a vehicle drive motor, the stator body for a vehicle drive motor comprising a base layer, the outer surface of the base layer being coated with a protective layer, the protective layer comprising a reinforcing layer, the outer surface of the reinforcing layer being coated with an insulating layer, the outer surface of the insulating layer being coated with a heat dissipation layer, the outer surface of the heat dissipation layer being coated with an anti-corrosion layer, and the outer surface of the anti-corrosion layer being coated with a functional layer.

[0008] As a preferred solution of the vehicle drive motor stator of the utility model, wherein: the inner surface of the vehicle drive motor stator body is provided with a winding mechanism, the winding mechanism includes a winding groove, and the surface of the winding groove is provided with a through groove.

[0009] As a preferred solution of the vehicle drive motor stator of the utility model, wherein: the protective layer is coated on the outer surface of the base layer, and the material of the base layer is silicon steel sheet.

[0010] As a preferred solution of the vehicle drive motor stator of the utility model, the reinforcement layer includes a first strength layer and a second strength layer, and the outer surface of the first strength layer is fixedly connected to the inner surface of the second strength layer.

[0011] As a preferred solution of the vehicle drive motor stator of the utility model, the material of the insulating layer is insulating epoxy resin material, and the material of the heat dissipation layer is thermally conductive silicone material.

[0012] As a preferred solution of the vehicle drive motor stator of the utility model, the anti-corrosion layer includes a first corrosion-resistant material and a second corrosion-resistant material, and the second corrosion-resistant material is coated on the outer surface of the first corrosion-resistant material.

[0013] As a preferred solution of the vehicle drive motor stator of the utility model, the functional layer includes a first protective layer and a second protective layer, and the second protective layer is located on the outer surface of the first protective layer.

[0014] As a preferred solution of the vehicle drive motor stator of the utility model, the material of the first strength layer is titanium carbonitride material, and the material of the second strength layer is polyphenylene sulfide material.

[0015] As a preferred solution of the vehicle drive motor stator of the utility model, the first corrosion-resistant material is made of acrylic corrosion-resistant material, and the second corrosion-resistant material is made of polyurethane corrosion-resistant material.

[0016] As a preferred solution of the vehicle drive motor stator of the utility model, the material of the first protective layer is a metal-based ceramic composite material, and the material of the second protective layer is a glass fiber material.

[0017] The beneficial effects of the utility model are as follows: the performance of the vehicle drive motor stator in various aspects is improved through the technical solution of the application document, and the performance that is particularly susceptible to damage is compositely protected by two materials. The two materials achieve a breakthrough in a certain performance, ensuring that even if one material is damaged, the other material can still play a protective role, thereby extending the service life of the vehicle drive motor stator, and solving the problem that the existing vehicle drive motor stator has only a single protective structure, such as wear resistance, which can only improve the wear resistance of the vehicle drive motor stator, but the use environment of the vehicle drive motor stator is complex, and the single protective function can easily cause the vehicle drive motor stator to be damaged due to other factors during use, reducing the service life of the vehicle drive motor stator, and cannot meet the current market demand. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0019] Figure 1 This is the overall structural diagram of the stator of the automotive drive motor.

[0020] Figure 2 This is a sectional stereoscopic diagram of the local structure of the stator of a vehicle drive motor.

[0021] Figure 3 This is a schematic diagram of the main material composition of the stator of a vehicle drive motor.

[0022] Figure 4 Schematic diagram of the protective layer material composition of the stator of the automotive drive motor.

[0023] Figure 5 This is a schematic diagram of the reinforcement layer material composition of the automotive drive motor stator.

[0024] Figure 6 Schematic diagram of the anti-corrosion layer material composition of the stator of a vehicle drive motor.

[0025] Figure 7 Schematic diagram of the functional layer material composition of the automotive drive motor stator. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0029] Example 1

[0030] Reference Figures 1 to 7 , which is the first embodiment of the utility model, and this embodiment provides a vehicle drive motor stator, including a vehicle drive motor stator body 1, the vehicle drive motor stator body 1 includes a base layer 2, the outer surface of the base layer 2 is coated with a protective layer 3, the protective layer 3 includes a reinforcement layer 4, the outer surface of the reinforcement layer 4 is coated with an insulating layer 5, the outer surface of the insulating layer 5 is coated with a heat dissipation layer 6, the outer surface of the heat dissipation layer 6 is coated with an anti-corrosion layer 7, and the outer surface of the anti-corrosion layer 7 is coated with a functional layer 8.

[0031] The technical solution of the present application document improves the performance of the vehicle drive motor stator in various aspects, and the performance that is particularly vulnerable to damage is compositely protected by two materials. The two materials achieve a breakthrough in a certain performance, ensuring that even if one material is damaged, the other material can still play a protective role, thereby extending the service life of the vehicle drive motor stator, and solving the problem that the existing vehicle drive motor stator has only a single protective structure, such as wear resistance, which can only improve the wear resistance of the vehicle drive motor stator, but the use environment of the vehicle drive motor stator is complex, and the single protective function can easily cause the vehicle drive motor stator to be damaged due to other factors during use, reducing the service life of the vehicle drive motor stator and cannot meet the current market demand.

[0032] Example 2

[0033] Reference Figures 1 to 7 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment.

[0034] Specifically, a winding mechanism 9 is disposed on the inner surface of the stator body 1 of the vehicle driving motor. The winding mechanism 9 includes a winding groove 901 . A through groove 902 is formed on the surface of the winding groove 901 .

[0035] The user connects the stator windings through the winding grooves 901 and the through grooves 902 . The surface of the stator body 1 of the vehicle drive motor is provided with connection grooves, through which the stator body 1 of the vehicle drive motor can be fixed to the inner wall of the stator housing of the vehicle drive motor.

[0036] Specifically, the protective layer 3 is coated on the outer surface of the base layer 2, and the material of the base layer 2 is silicon steel sheet.

[0037] The protective layer 3 is used to protect the base layer 2, improving the performance of the base layer 2 in various aspects, thereby preventing the base layer 2 from being easily damaged during use and extending the service life of the stator body 1 of the vehicle drive motor. The base layer 2 is made of stacked silicon steel sheets, and its function is to provide a magnetic circuit and fix the stator winding. The stator winding on its surface is a coil made of copper wire, and its function is to generate a rotating magnetic field.

[0038] Specifically, the reinforcement layer 4 includes a first strength layer 401 and a second strength layer 402 , and the outer surface of the first strength layer 401 is fixedly connected to the inner surface of the second strength layer 402 .

[0039] Specifically, the insulating layer 5 is made of insulating epoxy resin material, and the heat dissipation layer 6 is made of thermally conductive silicone material.

[0040] The insulating epoxy resin material can provide reliable insulation performance, effectively prevent leakage, and has good adhesion, and can be firmly attached to the stator surface. The insulating layer 5 can improve the safety of the drive motor stator body during use. The thermal conductive silicone material can improve the heat dissipation effect of the stator, which is beneficial to the stable operation of the motor and is helpful to improve the motor performance.

[0041] Specifically, the anti-corrosion layer 7 includes a first corrosion-resistant material 701 and a second corrosion-resistant material 702 , and the second corrosion-resistant material 702 is coated on the outer surface of the first corrosion-resistant material 701 .

[0042] Specifically, the functional layer 8 includes a first protective layer 801 and a second protective layer 802 , and the second protective layer 802 is located on the outer surface of the first protective layer 801 .

[0043] Specifically, the material of the first strength layer 401 is titanium carbonitride material, and the material of the second strength layer 402 is polyphenylene sulfide material.

[0044] Titanium carbonitride material has the following performance advantages: high melting point and high hardness: Titanium carbonitride has a high melting point and hardness, which enables it to maintain good performance under high temperature and high load conditions; good wear resistance: Due to its high hardness, titanium carbonitride has excellent wear resistance and can extend its service life; corrosion resistance: Titanium carbonitride has good resistance to corrosive media such as acids and alkalis, and is suitable for working in corrosive environments; oxidation resistance: It has certain oxidation resistance at high temperatures, which can reduce the oxidation loss of materials; good thermal conductivity: Titanium carbonitride has good thermal conductivity and electrical conductivity, which is conducive to the transfer of heat and the transmission of electrons; chemical stability: Titanium carbonitride has good chemical stability and is not easy to react with other substances. Polyphenylene sulfide material is a high-strength, high-toughness, high-modulus material with good mechanical properties and heat resistance.

[0045] Specifically, the first corrosion-resistant material 701 is made of acrylic corrosion-resistant material, and the second corrosion-resistant material 702 is made of polyurethane corrosion-resistant material.

[0046] Acrylic material has the following advantages: good weather resistance: can withstand the test of natural environment such as sunlight, rain, temperature changes, and is not easy to fade, powder or age; high transparency: has good optical properties, clear and transparent; good chemical corrosion resistance: can resist the erosion of general chemical substances; easy processing: can be formed and processed in a variety of ways; high cost performance: relatively speaking, the cost is moderate; good gloss: the surface can show a good gloss; fast drying: it can dry and cure quickly after construction. Polyurethane corrosion-resistant material can better resist the erosion of corrosive environment, and has a relatively low cost, which can not only achieve low cost, but also improve the corrosion resistance of the stator body 1 of the vehicle drive motor, and extend the service life of the stator body 1 of the vehicle drive motor.

[0047] Specifically, the material of the first protective layer 801 is a metal-based ceramic composite material, and the material of the second protective layer 802 is a glass fiber material.

[0048] Metal-based ceramic composite materials have the following advantages: high specific strength and specific modulus: both high strength and good rigidity; good wear resistance: can effectively resist wear and extend service life; high temperature resistance: can maintain good performance at higher temperatures; good thermal shock resistance: adapt to rapid changes in temperature. Glass fiber materials have the following advantages: high strength: has high tensile strength and can enhance the mechanical properties of the material; good heat resistance: can maintain stable performance within a certain temperature range; corrosion resistance: has a certain resistance to a variety of chemical substances; good electrical insulation: is an excellent electrical insulator; light weight: relatively low density, reducing overall weight; good stability: high dimensional stability; high cost performance: relatively low cost and outstanding performance.

[0049] When in use, the user connects the stator windings through the winding grooves 901 and the through grooves 902. The surface of the vehicle drive motor stator body 1 is provided with connection grooves, and the vehicle drive motor stator body 1 can be fixed to the inner wall of the vehicle drive motor stator shell through the connection grooves. By setting the reinforcement layer 4, the first strength layer 401 and the second strength layer 402, the use strength of the vehicle drive motor stator body 1 can be improved through the combination of two different materials, thereby preventing the vehicle drive motor stator body 1 from being easily deformed during use. Even if one material is damaged, the other material can continue to provide strength support. By setting the insulating layer 5, it is used to improve the insulation effect of the vehicle drive motor stator body 1 when in use, thereby improving the safety of the vehicle drive motor stator body 1 when in use. By setting the heat dissipation layer 6 , which is used to transfer heat, thereby ensuring the thermal conductivity of the stator body 1 of the vehicle drive motor. By setting the anti-corrosion layer 7, the first corrosion-resistant material 701 and the second corrosion-resistant material 702, the anti-corrosion ability of the stator body 1 of the vehicle drive motor can be greatly improved through the cooperation of the two materials. External corrosive substances need to break through more than two layers of protective materials to corrode the base layer 2, thereby extending the service life of the stator body 1 of the vehicle drive motor. By setting the functional layer 8, the first protective layer 801 and the second protective layer 802, the insulation, anti-corrosion and wear resistance of the stator body 1 of the vehicle drive motor can be improved through the cooperation of the two materials, which can not only improve the safety of the stator body 1 of the vehicle drive motor during use, but also prevent the stator body 1 of the vehicle drive motor from being easily damaged during use.

[0050] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A stator for a vehicle drive motor, characterized in that: The invention comprises a stator body (1) of a vehicle drive motor, wherein the stator body (1) comprises a base layer (2), the outer surface of the base layer (2) is coated with a protective layer (3), the protective layer (3) comprises a reinforcing layer (4), the outer surface of the reinforcing layer (4) is coated with an insulating layer (5), the outer surface of the insulating layer (5) is coated with a heat dissipation layer (6), the outer surface of the heat dissipation layer (6) is coated with an anti-corrosion layer (7), and the outer surface of the anti-corrosion layer (7) is coated with a functional layer (8).

2. The vehicle drive motor stator according to claim 1, characterized in that: The inner surface of the stator body (1) of the vehicle drive motor is provided with a winding mechanism (9), the winding mechanism (9) comprising a winding groove (901), and a through groove (902) is provided on the surface of the winding groove (901).

3. The vehicle drive motor stator according to claim 1, characterized in that: The protective layer (3) is coated on the outer surface of the base layer (2), and the material of the base layer (2) is silicon steel sheet.

4. The vehicle drive motor stator according to claim 1, characterized in that: The reinforcement layer (4) comprises a first strength layer (401) and a second strength layer (402), wherein the outer surface of the first strength layer (401) is fixedly connected to the inner surface of the second strength layer (402).

5. The vehicle drive motor stator according to claim 1, characterized in that: The material of the insulating layer (5) is an insulating epoxy resin material, and the material of the heat dissipation layer (6) is a thermally conductive organic silicon material.

6. The vehicle drive motor stator according to claim 1, characterized in that: The anti-corrosion layer (7) comprises a first corrosion-resistant material (701) and a second corrosion-resistant material (702), wherein the second corrosion-resistant material (702) is coated on the outer surface of the first corrosion-resistant material (701).

7. The vehicle drive motor stator according to claim 1, characterized in that: The functional layer (8) comprises a first protective layer (801) and a second protective layer (802), wherein the second protective layer (802) is located on the outer surface of the first protective layer (801).

8. The vehicle drive motor stator according to claim 4, characterized in that: The material of the first strength layer (401) is titanium carbonitride material, and the material of the second strength layer (402) is polyphenylene sulfide material.

9. The vehicle drive motor stator according to claim 6, characterized in that: The first corrosion-resistant material (701) is made of acrylic corrosion-resistant material, and the second corrosion-resistant material (702) is made of polyurethane corrosion-resistant material.

10. The vehicle drive motor stator according to claim 7, characterized in that: The material of the first protective layer (801) is a metal-based ceramic composite material, and the material of the second protective layer (802) is a glass fiber material.

Images