CN206775272U - Motor and there is its blower fan - Google Patents

Abstract

The utility model provides a kind of motor and has its blower fan.Motor, including：Stator core assemblies；Housing, stator core assemblies are arranged in housing；Insulation division, insulation division are arranged in housing and between stator core assemblies and the inwall of housing.Insulation division is set between inner walls and stator core assemblies, the insulating properties of motor can be effectively improved, and improves the dependable with function that motor uses.

Description

Motor and its fan

technical field

The utility model relates to the technical field of fan equipment, in particular to a motor and a fan with the same.

Background technique

The motors used in new energy vehicles in the prior art all adopt the traditional arrangement of iron-cased motors. Traditional iron-cased motors are generally low-voltage DC or 220V AC motors. If the voltage exceeds DC380V, the use of traditional iron-cased motors will cause poor insulation and leakage. For plastic-sealed motors with high insulation performance, due to the limited mechanical strength of the plastic-sealed materials, after long-term use, the installation parts of the motor and the body are prone to breakage and stripping after being affected by environmental factors such as vibration of different frequencies, high temperature, and sunshine. , so that the reliability of the motor is reduced, and after the traditional plastic-sealed motor is used for a long time, it is easy to generate shaft current to corrode the bearing and reduce the service life of the product.

Utility model content

The main purpose of this utility model is to provide a motor and a fan with it, so as to solve the problems of poor insulation and electrical corrosion of plastic-sealed motor bearings in the prior art in motors that are adapted to voltages above DC380V.

In order to achieve the above object, according to one aspect of the utility model, a motor is provided, including: a stator core assembly; a casing, the stator core assembly is arranged in the casing; an insulating part, the insulating part is arranged in the casing and is located in the stator Between the core assembly and the inner wall of the housing.

Further, the stator core assembly includes: an insulating frame; a winding, which is arranged on the insulating frame, and the insulating part is located between the winding and the inner wall.

Further, the stator core assembly further includes: a stator core, the insulating frame is arranged at the end of the stator core, there is a gap between the outer surface and the inner wall of the insulating frame and the winding, and the insulating part fills the gap.

Further, the insulating frame includes a first frame, the first frame is connected to the first end of the stator core, the winding includes a first winding, the first winding is arranged on the first frame, the insulating part includes a first insulating part, and the first The insulating part is filled in the gap formed between the first skeleton and the first winding and the inner wall.

Further, the insulating skeleton also includes a second skeleton, the second skeleton is connected to the second end of the stator core, the winding includes a second winding, the second winding is arranged on the second skeleton, the insulating part includes a second insulating part, and the second winding includes a second winding. The two insulating parts are filled in the gap formed between the second skeleton and the second winding and the inner wall.

Further, the housing includes: a housing housing, the stator core assembly is arranged in the housing housing, and the middle part of the stator core assembly is attached to the inner wall of the housing housing.

Further, the housing further includes: a first end cover connected to the first end of the housing; a second end cover connected to the second end of the housing, the inner surface of the first end cover and the second end cover The inner surface of the inner surface and the inner peripheral surface of the housing shell form a housing cavity.

Further, the insulation part is made of BMC material.

Further, the casing is made of metal.

According to another aspect of the present utility model, a fan is provided, including a motor, and the motor is the motor mentioned above.

Applying the technical solution of the utility model, an insulating part is provided between the inner wall of the casing and the stator core assembly, which can effectively improve the insulation performance of the motor, and improve the reliability and practicability of the motor.

Description of drawings

The accompanying drawings constituting a part of this application are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 shows a schematic cross-sectional structure diagram of an embodiment of a motor according to the present invention;

Fig. 2 shows the exploded structure schematic diagram of the embodiment of motor in Fig. 1;

Figure 3 shows a schematic structural view of an embodiment of a fan according to the present invention;

Fig. 4 shows a schematic structural view of another embodiment of the fan according to the present invention.

Wherein, the above-mentioned accompanying drawings include the following reference signs:

10. Stator core assembly; 11. Insulation skeleton; 111. First skeleton; 112. Second skeleton; 12. Winding; 121. First winding; 122. Second winding; 13. Stator core; 14. Rotor assembly ;

20. Housing; 21. Housing housing; 22. First end cover; 23. Second end cover;

30. The insulating part; 31. The first insulating part; 32. The second insulating part;

41. Upper volute; 42. Lower volute; 43. Evaporating wind blades;

51, condensing fan blade; 52, shroud.

detailed description

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and/or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and/or combinations thereof.

It should be noted that the terms "first" and "second" in the specification, claims and drawings of the present application are used to distinguish similar objects, but not necessarily used to describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a sequence of steps or elements is not necessarily limited to the expressly listed instead, may include other steps or elements not explicitly listed or inherent to the process, method, product or apparatus.

For the convenience of description, spatially relative terms may be used here, such as "on ...", "over ...", "on the surface of ...", "above", etc., to describe the The spatial positional relationship between one device or feature shown and other devices or features. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, devices described as "above" or "above" other devices or configurations would then be oriented "beneath" or "above" the other devices or configurations. under other devices or configurations". Thus, the exemplary term "above" can encompass both an orientation of "above" and "beneath". The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein interpreted accordingly.

Now, exemplary embodiments according to the present application will be described in more detail with reference to the accompanying drawings. These example embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It should be understood that these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the concept of these exemplary embodiments to those of ordinary skill in the art. The thicknesses of layers and regions are indicated, and the same reference numerals are used to designate the same devices, and thus their descriptions will be omitted.

As shown in FIG. 1 to FIG. 4 , according to an embodiment of the present utility model, a motor is provided.

Specifically, the motor includes a stator core assembly 10 , a housing 20 and an insulating part 30 . The stator core assembly 10 is disposed in the casing 20 . The insulating part 30 is disposed in the housing 20 and located between the stator core assembly 10 and the inner wall of the housing 20 .

In this embodiment, an insulating part is provided between the inner wall of the housing and the stator core assembly, and an insulating part is provided between the inner wall of the housing and the stator core assembly, which can effectively improve the insulation performance of the motor and improve the reliability of the motor. Reliability and practicality.

As shown in FIG. 1 , the stator core assembly 10 includes an insulating frame 11 and a winding 12 . The winding 12 is disposed on the insulating frame 11 , and the insulating part 30 is located between the winding 12 and the inner wall. Such setting can increase the reliability of the winding 12 .

The stator core assembly 10 also includes a stator core 13 . The insulating frame 11 is arranged at the end of the stator core 13, and there is a gap between the outer surface and the inner wall of the insulating frame 11 and the winding 12, and the insulating part 30 fills the gap. This setting enables the insulating part 30 to completely fill the gap between the outer surface and the inner wall of the insulating skeleton 11 and the winding 12, further increasing the insulation performance between the insulating skeleton 11 and the winding 12 and the housing, and effectively improving the insulation performance. Insulation properties of the entire stator.

Further, the insulating frame 11 includes a first frame 111, the first frame 111 is connected to the first end of the stator core 13, the winding 12 includes a first winding 121, the first winding 121 is arranged on the first frame 111, and the insulating part 30 includes a first insulating portion 31 that fills the gap formed between the first frame 111 and the first winding 121 and the inner wall. Such setting can effectively increase the sealing between the first end of the stator core 13 and the casing, and improve the reliability of the motor.

The insulating frame 11 also includes a second frame 112, the second frame 112 is connected to the second end of the stator core 13, the winding 12 includes a second winding 122, and the second winding 122 is arranged on the second frame 112, the insulating part 30 includes The second insulating part 32 is filled in the gap formed between the second skeleton 112 and the second winding 122 and the inner wall. Such setting can effectively increase the sealing between the second end of the stator core 13 and the casing, further improving the reliability of the motor.

Specifically, the casing 20 includes a containing casing 21 , and the stator core assembly 10 is disposed in the containing casing 21 , and the middle part of the stator core assembly 10 is attached to the inner wall of the containing casing 21 . Such setting can make the structure of the motor more compact, and effectively improve the performance of the motor.

In order to further improve the performance of the motor, the casing 20 further includes a first end cover 22 and a second end cover 23 . The first end cover 22 is connected to the first end of the housing 20 . The second end cover 23 is connected to the second end of the housing 20 , and the inner surfaces of the first end cover 22 and the second end cover 23 and the inner peripheral surface of the receiving housing 21 define an accommodating cavity. This setting can effectively prevent the axial current from corroding the bearing after the long-term operation of the plastic-encapsulated stator, and effectively improve the reliability of the motor.

In order to further improve the bonding performance between the insulating part and the housing, the used insulating part 30 is made of BMC material. The BMC material is arranged between the casing and the stator core assembly 10. The stator core can be arranged in the casing first, and then the BMC material is injected into the casing, which can effectively improve the bonding strength between the insulating part and the casing and avoid insulation. When the part is put into the shell, it will fall off and be deformed.

In order to increase the shock resistance of the motor, the housing 20 of the motor is made of metal. This enables the motor to withstand greater bumps. Especially when the motor is used on an electric vehicle, the tensile resistance of the motor casing can be effectively improved, and the service life of the motor can be effectively improved.

The motor in the above embodiments can also be used in the technical field of fan equipment, that is, according to another aspect of the present utility model, a fan is provided. The blower includes a motor, and the motor is the motor in the above embodiments. Specifically, the motor includes a stator core assembly 10 , a housing 20 and an insulating part 30 . The stator core assembly 10 is disposed in the casing 20 . The insulating part 30 is disposed in the housing 20 and located between the stator core assembly 10 and the inner wall of the housing 20 . In this embodiment, an insulating part is provided between the inner wall of the housing and the stator core assembly, which can effectively improve the insulation performance of the motor, and the inner wall of the housing is in contact with the stator core. The metal connects the front and rear bearings with the iron core, avoiding the electric corrosion of the motor bearings caused by the axial current generated by the motor during operation, and can effectively improve the mechanical strength, and improve the reliability and practicability of the motor.

Specifically, this application provides a new energy passenger car fan motor that combines a metal casing with a plastic-encapsulated stator. The motor uses a voltage exceeding DC380V, has the characteristics of high protection level, good insulation performance, and superior mechanical performance, and can avoid the shaft current problem existing in traditional plastic-sealed motors. The upper frame and the lower frame are nested in the upper and lower parts of the stator core, and windings are wound on the stator teeth where the frame is nested. The stator assembly with winding windings is pressed into the shell formed by the front end cover and the cylindrical shell, and the space between the stator and the shell is filled with bulk molding compound (BMC) to strengthen insulation and improve The role of protection level. The injected stator assembly is assembled with the rotor assembly 14 and the end cover assembly, wherein the bottom surface of the end cover in the end cover assembly matches the upper end surface of the housing, and the outer wall of the end cover cooperates with the inner wall of the housing to form a motor assembly.

In this embodiment, the motor is an evaporation fan. As shown in FIG. 3 , the evaporation fan includes evaporation blades 43 , an upper volute 41 and a lower volute 42 . Wherein, there are two evaporator blades 43, and the motor is arranged in the middle of the two evaporator blades 43, wherein, the motor includes a stator assembly, a rotor assembly 14 and an end cover, and the rotor assembly 14 is connected to the bearing chamber and the stator assembly through a bearing. The bearing chambers of the end caps fit together to form the motor. The stator assembly includes a stator core assembly, a casing and an insulating part. The stator core assembly is arranged in the casing, and the insulation part is arranged in the casing and is located between the stator core assembly and the inner wall of the casing. The insulation part is provided between the inner wall of the housing and the stator core assembly, which can effectively improve the insulation performance of the entire stator assembly, and avoid electric corrosion of the motor bearing caused by the axial current generated during the operation of the motor. The insulation performance of the motor is effectively improved, and the reliability and practicability of the use of the evaporation fan are improved.

According to another embodiment of the present invention, the motor may be a condensing fan. As shown in FIG. 4 , the condensing fan includes condensing fan blades 51 and a shroud 52 . Wherein, the motor is arranged between the two condensing fan blades 51 and the shroud 52, wherein the motor includes a stator assembly, a rotor assembly and an end cover, and the rotor assembly is connected to the bearing chamber in the stator assembly and the bearing chamber of the end cover through the bearing Cooperate to form a motor. The stator assembly includes a stator core assembly, a casing and an insulating part. The stator core assembly is arranged in the casing, and the insulation part is arranged in the casing and is located between the stator core assembly and the inner wall of the casing. The insulation part is provided between the inner wall of the housing and the stator core assembly, which can effectively improve the insulation performance of the entire stator assembly, and avoid electric corrosion of the motor bearing caused by the axial current generated during the operation of the motor. The insulation performance of the motor is effectively improved, and the reliability and practicability of the evaporation fan are improved.

This embodiment provides a fan motor that can be adapted to exceed DC380V. The traditional plastic-encapsulated motor solution is combined with a metal casing. In addition to enhancing the internal electrical insulation performance, the metal casing can provide better mechanical properties and ensure The reliability of the product can also eliminate the phenomenon of shaft current corrosion of bearings in traditional plastic-sealed motors, effectively improving reliability. By adopting the technical solutions of the embodiments of the present application, the insulation performance of the motor can be enhanced, the shaft current of the plastic-sealed motor can be effectively eliminated, and the mechanical performance of the whole machine can be improved. Combining the traditional plastic-sealed stator with the metal casing can effectively improve the insulation performance and mechanical reliability of the motor. The shell combined with the front end cover and the cylindrical shell can make the shell effectively contact with the stator core, connect the front and rear end covers, form a path, enable the product to be effectively grounded, and eliminate the shaft current phenomenon of the plastic-sealed motor.

In addition to the above, it also needs to be explained that "one embodiment", "another embodiment", "embodiment" and the like mentioned in this specification refer to specific features, structures or Features are included in at least one embodiment generally described in this application. The appearance of the same expression in multiple places in the specification does not necessarily refer to the same embodiment. Furthermore, when a specific feature, structure or characteristic is described in combination with any embodiment, it should be claimed that realizing such feature, structure or characteristic in combination with other embodiments also falls within the scope of the present invention.

In the foregoing embodiments, the descriptions of each embodiment have their own emphases, and for parts not described in detail in a certain embodiment, reference may be made to relevant descriptions of other embodiments.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (10)

1. A kind of 1. motor, it is characterised in that including：

   Stator core assemblies (10)；

   Housing (20), the stator core assemblies (10) are arranged in the housing (20)；

   Insulation division (30), the insulation division (30) be arranged in the housing (20) and positioned at the stator core assemblies (10) with Between the inwall of the housing (20).
2. 2. motor according to claim 1, it is characterised in that the stator core assemblies (10) include：

   Insulation framework (11)；

   Winding (12), be arranged in the insulation framework (11), the insulation division (30) be located at the winding (12) with it is described interior Between wall.
3. 3. motor according to claim 2, it is characterised in that the stator core assemblies (10) also include：

   Stator core (13), the insulation framework (11) are arranged at the end of the stator core (13), the insulation framework (11) there is gap between the outer surface of the winding (12) and the inwall, the insulation division (30) is filled in gap.
4. 4. motor according to claim 3, it is characterised in that the insulation framework (11) includes the first skeleton (111), institute The first end that the first skeleton (111) is stated with the stator core (13) is connected, and the winding (12) includes the first winding (121), first winding (121) is arranged on first skeleton (111), and the insulation division (30) includes the first insulation division (31), first insulation division (31) be filled in first skeleton (111) and first winding (121) and the inwall it Between in the gap that is formed.
5. 5. motor according to claim 4, it is characterised in that the insulation framework (11) also includes the second skeleton (112), Second skeleton (112) is connected with the second end of the stator core (13), and the winding (12) includes the second winding (122), second winding (122) is arranged on second skeleton (112), and the insulation division (30) includes the second insulation division (32), second insulation division (32) be filled in second skeleton (112) and second winding (122) and the inwall it Between in the gap that is formed.
6. 6. motor according to claim 1, it is characterised in that the housing (20) includes：

   Housing (21) is accommodated, the stator core assemblies (10) are arranged in the receiving housing (21), the stator core group The middle part of part (10) and the inwall of the receiving housing (21) fit.
7. 7. motor according to claim 6, it is characterised in that the housing (20) also includes：

   First end cap (22), it is connected with the first end of the housing (20)；

   Second end cap (23), it is connected with the second end of the housing (20), the inner surface of first end cap (22) and described The inner surface of second end cap (23) and the inner peripheral surface of the receiving housing (21) enclose and are set as accommodating chamber.
8. 8. motor according to any one of claim 1 to 7, it is characterised in that the insulation division (30) is by BMC system Into.
9. 9. motor according to any one of claim 1 to 7, it is characterised in that the housing (20) is made of metal.
10. 10. a kind of blower fan, including motor, it is characterised in that the motor is the motor any one of claim 1 to 9.