Mounting seat and motor

By designing the main body, protrusions, and positioning holes of the mounting base, the problem of unstable installation of the control circuit board inside the motor was solved, achieving fixation and limiting of the control circuit board, isolating heat from the motor windings, and improving the stability and safety of the motor.

CN223583999UActive Publication Date: 2025-11-21GREE ELECTRIC APPLIANCE INC OF ZHUHAI
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Patent Information

Application Number
CN202423115252.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-11-21
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

In the existing technology, the control circuit board inside the motor is not installed securely, which can easily cause vibration, leading to loosening of components, affecting the stability of the motor and potentially causing safety accidents.

Method used

Design a mounting base including a main body, a protrusion, a positioning hole, and a wire passage hole. The protrusion guides and limits the control circuit board and connects to the stator frame to form a fixed and limited position, isolating the heat source of the motor winding and preventing heat transfer.

Benefits of technology

It effectively secures the control circuit board, preventing components from loosening due to severe vibration, reducing temperature rise, improving the safety and reliability of the motor, and avoiding abnormal accidents.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a mounting seat and a motor, the mounting seat comprises a main body, the main body is provided with a plurality of projections, the projections are arranged at intervals along the circumferential direction of the main body, the main body is also provided with a plurality of positioning holes, the positioning holes are used for being connected with a stator framework, the main body is also provided with a plurality of wire passing holes, and the wire passing holes are used for being connected with the stator framework. And the wire passing hole is used for wire passing of the stator winding. According to the utility model, the technical problems in the prior art that the control circuit board in the motor is unstable in installation and easy to vibrate, resulting in loosening of components can be solved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to motor technical field, concretely relates to a mounting seat, motor. BACKGROUND

[0002] At present, the quality of vehicle air conditioner attracts people's attention and importance more and more, and as one of the core components inside vehicle air conditioner, the stability of motor is particularly important, because vehicle air conditioner fan motor is in high temperature operation and continues to vibrate and other use environment for a long time, when the motor is in continuous vibration and other use environment, the control circuit board in the motor will also vibrate violently, which can easily lead to component loosening and cause motor damage. The important factor affecting the stability of motor is the temperature rise and vibration problem in the motor, and the motor is the core power component of air conditioner, once the motor fails, the vehicle air conditioner cannot work normally, and in serious cases, it may cause the safety accident of hot, cold and even oxygen deficiency asphyxia in the vehicle.

[0003] Because the control circuit board in the motor in the prior art is not stable, prone to vibration, leading to component loosening and other technical problems, therefore, the utility model researches and designs a mounting seat and motor. CONTENT OF UTILITY MODEL

[0004] Therefore, the utility model provides a mounting seat and motor, which can solve the technical problems of unstable installation of control circuit board in the motor in the prior art, prone to vibration and component loosening.

[0005] In order to solve the above problems, the utility model provides a mounting seat, which comprises: a main body, a plurality of protrusions are arranged on the main body, the protrusions are arranged at intervals along the circumference of the main body, a plurality of positioning holes are further arranged on the main body, the positioning holes are used for being connected with the stator framework, a plurality of wire passing holes are further arranged on the main body, and the wire passing holes are used for wire passing of the stator winding.

[0006] In some embodiments, the cross section of the main body is a horizontal plane, the end face of the protrusion away from the main body has an included angle with the horizontal plane, the included angle is an acute angle, and the end face of the protrusion away from the main body is inclined towards the main body.

[0007] In some embodiments, along the circumference of the main body, a plurality of positioning holes are arranged at intervals, a plurality of wire passing holes are arranged at intervals, a rotor hole is arranged on the main body, the rotor hole is used for making the stator rotor pass through the main body, and the rotor hole is located at the center of the main body.

[0008] In some embodiments, the outer peripheral wall of the main body is provided with a baffle extending along the circumference of the main body, extending along the axial direction of the main body, the baffle at least partially protruding from the main body, the protrusion is arranged on the inner side wall of the baffle, and the protrusion at least partially protrudes from the baffle along the axial direction of the main body.

[0009] The utility model discloses still provide a kind of motor, including the mounting seat of above.

[0010] In some embodiments, the motor includes a stator assembly, a front end cover, a rear end cover and a control circuit board, the mounting seat is located between the stator assembly and the front end cover, and the control circuit board is arranged at one end of the mounting seat facing the front end cover; or, the mounting seat is connected with the rear end cover, a containing space is formed between the mounting seat and the rear end cover, and the control circuit board is arranged at one end of the mounting seat facing the rear end cover.

[0011] In some embodiments, when the main body is provided with a rotor hole, the motor includes a rotor and a stator assembly, the rotor is sleeved in the stator assembly, the rotor is provided with a rotating shaft, and the rotating shaft is in clearance fit with the rotor hole.

[0012] In some embodiments, when the mounting seat is located between the stator assembly and the front end cover, and the control circuit board is arranged at one end of the mounting seat facing the front end cover, the stator assembly includes an iron core, a framework and a winding, the framework and the winding are arranged on the iron core, one end of the framework facing the mounting seat is provided with a plurality of positioning columns, the positioning columns abut against the mounting seat after passing through the positioning holes; or, the positioning columns pass through the positioning holes, and there is a gap between one end of the positioning columns passing through the positioning holes and the mounting seat.

[0013] In some embodiments, one end of the framework facing the mounting seat is provided with a plurality of fixing columns, the control circuit board is provided with a plurality of mounting holes, the fixing columns correspond to the mounting holes one by one, and one end of the fixing columns away from the framework sequentially passes through the positioning holes and the mounting holes.

[0014] In some embodiments, the number of fixing columns plus the number of positioning columns is equal to the number of positioning holes, and the mounting seat is made of non-metal insulating material.

[0015] The mounting seat and the motor provided by the utility model have the following beneficial effects:

[0016] When the mounting seat is installed in the motor, the control circuit board of the motor is installed at the end of the main body away from the stator of the motor, the control circuit board can be guided or limited by the protrusions, or the mounting holes of the control circuit board can be nested on the protrusions to form the fixation and limitation of the control circuit board, the positioning holes are used to be connected with the stator framework, the main body is installed on the stator, the main body is fixed and circumferentially limited by the stator, the vibration of the mounting seat is prevented, the control circuit board can be effectively fixed, the loose of components caused by the violent vibration of the control circuit board is avoided, the three-phase lines on the stator winding are connected with the control circuit board through the wire passing holes, so that the control of the motor is formed, the main body can also isolate the heating source such as the motor winding, the heat generated by the heating source of the motor winding during the operation of the motor is avoided to be transmitted to the control circuit board through the airflow, the temperature rise of the control circuit board is avoided to be increased and other abnormal accidents are avoided to occur, the product is more safe and reliable, and the good reputation of the company is indirectly maintained. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. The drawings in the following description are only exemplary, and for those skilled in the art, other embodiments can be derived from the provided drawings without creating labor.

[0018] Figure 1 is a structural schematic view of the mounting seat of the present application;

[0019] Figure 2 is an explosion view of the motor of another embodiment of the present application;

[0020] Figure 3 is a structural schematic view of the stator assembly in the motor of another embodiment of the present application Figure 1 ;

[0021] Figure 4 is a structural schematic view of the stator assembly in the motor of another embodiment of the present application Figure 2 ;

[0022] Figure 5 is a structural schematic view of the control circuit board in the motor of another embodiment of the present application.

[0023] The drawings are as follows:

[0024] 1, protrusion; 2, positioning hole; 3, rotor hole; 4, wire passing hole; 5, framework; 6, iron core; 7, winding; 8, rear end cover; 9, control circuit board; 10, mounting seat; 11, stator assembly; 12, rotor; 13, front end cover; 14, positioning column; 15, mounting hole. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. The description of the at least one exemplary embodiment is merely illustrative in nature and by no means as any limitation to the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0026] In the description of the present application, it should be understood that the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, perpendicular, horizontal" and "top, bottom" and the like indicate the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and in the absence of the opposite description, these orientation words do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation to the protection scope of the present application; the orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0027] For the convenience of description, spatial relative terms such as "over", "above", "upper surface", "upper" and the like can be used herein to describe the spatial position relationship of one device or feature with other devices or features as shown in the drawings. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawings. For example, if the device in the drawings is inverted, the device described as "above" or "over" other devices or structures will be positioned "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below" orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein are interpreted accordingly.

[0028] In addition, it should be noted that the use of "first", "second" and the like to define parts is only for the convenience of distinguishing the corresponding parts, and the above words have no special meaning unless otherwise stated, therefore it cannot be understood as a limitation to the protection scope of the present application.

[0029] For reference Figures 1-5As shown, according to the embodiment of the utility model, provide a mounting seat, including: main part, the main part is provided with a plurality of convex 1, the convex 1 is along the circumferential spacing of the main part arrangement, the main part is also provided with a plurality of positioning hole 2, the positioning hole 2 is used for being connected with stator framework, the main part is also provided with a plurality of wire hole 4, the wire hole 4 is used for the wire of stator winding. In the technical scheme, when the mounting seat is installed in the motor, the control circuit board 9 of the motor is installed at the end of the main part away from the motor stator, the convex 1 can guide or limit the control circuit board 9, and the mounting hole 15 of the control circuit board 9 can also be nested on the convex 1 to form the fixation and limitation of the control circuit board 9, the main part is installed on the stator through the positioning hole 2 for being connected with the stator framework, and the main part is fixed and circumferentially limited by the stator, to prevent the mounting seat from vibrating, so that the control circuit board 9 can be effectively fixed, the components are prevented from loosening due to the violent vibration of the control circuit board 9, and the voltage resistance of the motor is also ensured to be good. The three-phase wire on the stator winding is connected with the control circuit board 9 through the wire hole 4, so that the control of the motor is formed, and the main part can also isolate the heating source such as motor winding, to avoid that the heat generated by the heating source of the winding during the operation of the motor is transmitted to the control circuit board 9 through air flow, to cause the temperature rise of the control circuit board 9 and other abnormal accidents, so that the product is more safe and reliable, and the good reputation of the company is indirectly maintained.

[0030] Further, the convex can also adopt a buckle structure and be clamped with the control circuit board 9. The wire hole 4 can be circular, square or other similar irregular shapes, and the wire hole 4 corresponds to the three-phase wire of the control circuit board 9, so that the three-phase wire of the winding can be effectively passed through the wire hole, to avoid the contact between the three-phase wire and the inner wall of the end cover.

[0031] In some embodiments, the end face of the convex 1 away from the main part has an included angle with the horizontal plane of the cross section of the main part, the included angle is an acute angle, and the end face of the convex 1 away from the main part is inclined towards the main part. In the technical scheme, the end face of the convex 1 away from the main part has an included angle with the horizontal plane of the cross section of the main part, the included angle is an acute angle, and the end face of the convex 1 away from the main part is inclined towards the main part. When the control circuit board 9 is assembled by pressing down, the control circuit board 9 is conveniently slid into the main part, to play a role of fixing and limiting the control circuit board 9.

[0032] In some embodiments, the plurality of positioning holes 2 are arranged at intervals along the circumference of the main body, the plurality of wire passing holes 4 are arranged at intervals, the main body is provided with a rotor hole 3 for passing a stator rotor through the main body, and the rotor hole 3 is located at the center of the main body. In this technical solution, the rotor hole 3 is circular or elliptical in shape, and the diameter of the rotor hole 3 is not less than the outer diameter of the rotating shaft, so that the rotating shaft can smoothly pass through the rotor hole, preventing interference and playing a role in avoiding the rotating shaft. The positioning hole 2 is rectangular or arc-shaped, and its shape and position correspond to the boss on the framework, and the number of positioning holes 2 is not less than the number of bosses, so that they can be nested and matched, play a positioning role, and prevent the insulation seat from rotating along the circumferential direction.

[0033] In some embodiments, the outer peripheral wall of the main body is provided with a baffle, the baffle extends along the circumference of the main body, and along the axial direction of the main body, the baffle at least partially protrudes from the main body, the protrusion 1 is arranged on the inner side wall of the baffle, and along the axial direction of the main body, the protrusion 1 at least partially protrudes from the baffle. In this technical solution, the baffle can isolate the end cover and the main body, and can also protect the control circuit board 9 side plate.

[0034] The utility model discloses still provide a kind of motor, including the mounting seat 10 described above.

[0035] In some embodiments, the motor comprises a stator assembly 11, a front end cover 13, a rear end cover 18 and a control circuit board 9, the mounting seat 10 is located between the stator assembly 11 and the front end cover 13, and the control circuit board 9 is arranged at one end of the mounting seat 10 towards the front end cover 13; or, the mounting seat 10 is connected with the rear end cover 18, and an accommodating space is formed between the mounting seat 10 and the rear end cover 18, and the control circuit board 9 is arranged at one end of the mounting seat 10 towards the rear end cover 18. In this technical solution, the skeleton 5 is installed on the stator core 6, the winding 7 is wound on the skeleton 5, the mounting seat 10 is installed on the stator assembly 11, the positioning column 14 on the skeleton 5 penetrates into the positioning hole 2 on the mounting seat 10, and the mounting seat 10 is prevented from rotating circumferentially and sliding radially; when the protrusion 1 is a buckle, the control circuit board 9 is buckled into the protrusion 1 on the mounting seat 10, nested cooperation is formed, and the control circuit board 9 is buckled tightly. At the same time, the wire passing hole 4 on the mounting seat 10 corresponds to three phases on the control circuit board 9, so that the outgoing wires of the winding 7 on the stator assembly 11 can pass through the wire passing hole of the mounting seat 10, the electrical connection between the outgoing wires of the coil winding 7 and the control circuit board 9 is facilitated, the outgoing wires of the coil winding 7 are prevented from being damaged due to being pressed on the bottom surface of the mounting seat 10, the winding three-phase wire head of the stator assembly 11 is prevented from touching metal, the pressure resistance of the stator assembly 11 of the motor is ensured, the enameled wire wire skin is better protected from being scratched, and the product quality of the motor is improved, and the use safety of the motor is ensured.

[0036] The stator assembly 11 is pressed into the front end cover 13, the outer circular side wall of the core 6 on the stator assembly is in interference fit with the inner circular side wall of the front end cover 13, and the stator assembly 11 is fixed.

[0037] The mounting seat 10 can also be installed in the rear end cover 8, and an accommodating cavity is formed between the mounting seat 10 and the rear end cover 8. The control circuit board 9 is installed on the mounting seat 10, the vibration inside the motor during operation is prevented from damaging the control circuit board 9, the control circuit board 9 can be effectively protected, the accommodating cavity can isolate the motor winding 7 and the control circuit board 9, the heat generated by the winding 7 during the operation of the motor is prevented from being transmitted to the control circuit board 9 through air flow, the temperature rise of the control circuit board 9 is prevented, the mounting seat 10 plays a heat insulation role to a certain extent, the temperature rise of the components of the control circuit board 9 is reduced, dust and water vapor are effectively blocked, and motor short circuit is avoided.

[0038] In some embodiments, when the rotor hole 3 is arranged on the main body, the motor comprises a rotor 12 and a stator assembly 11, the rotor 12 is sleeved in the stator assembly 11, and a rotating shaft is arranged on the rotor 12 and gap-fitted with the rotor hole 3. In this technical solution, the rotating shaft can smoothly pass through the rotor hole 12 through gap-fitting of the rotating shaft and the rotor hole 3, interference is prevented, and the rotating shaft is avoided.

[0039] In some embodiments, when the mounting seat 10 is located between the stator assembly 11 and the front end cover 13, and the control circuit board 9 is arranged at one end of the mounting seat 10 towards the front end cover 13, the stator assembly 11 comprises an iron core 6, a skeleton 5 and a winding 7, the skeleton 5 and the winding 7 are arranged on the iron core 6, a plurality of positioning columns 14 are arranged at one end of the skeleton 5 towards the mounting seat 10, the positioning columns 14 abut against the mounting seat 10 after passing through the positioning holes 2, or the positioning columns 14 pass through the positioning holes 2, and there is a gap between one end of the positioning columns 14 passing through the positioning holes 2 and the mounting seat 10. In this technical solution, the shape of the positioning column 14 corresponds to the positioning hole 2 of the mounting seat 10, the insulation sleeve is positioned, and the mounting seat 10 is prevented from rotating along the circumference.

[0040] In some embodiments, one end of the skeleton 5 towards the mounting seat 10 is provided with a plurality of fixing columns, the control circuit board 9 is provided with a plurality of mounting holes 15, the fixing columns correspond to the mounting holes 15 one by one, and one end of the fixing columns away from the skeleton 5 sequentially passes through the positioning holes 2 and the mounting holes 15. In this technical solution, of course, one end of the fixing column away from the skeleton 5 can be located in the mounting hole 15. The fixing column can be cylindrical, trapezoidal, conical or other similar irregular shape features; the fixing column corresponds to the mounting hole 15 of the control circuit board 9, and plays a role in supporting and fixing the controller.

[0041] In some embodiments, the sum of the number of the fixing columns and the number of the positioning columns 14 is equal to the number of the positioning holes 2, and the mounting seat 10 is made of non-metallic insulating material. In this technical solution, the mounting seat 10 is made of insulating material with certain strength, such as PA, PBT and other non-metallic materials, which has good insulating performance and mechanical properties. The mounting seat 10 can be the same as the skeleton 5 sheath, or other insulating materials.

[0042] The utility model discloses a motor, an installation seat 10 is additionally arranged outside motor winding and framework, the installation seat 10 is equipped with buckle, can effectively fixed control circuit board 9, avoids control circuit board 9 violent vibration and leads to component loose, causes motor damage. The built-in installation seat 10 can isolate motor winding and control circuit board 9, avoids the heat generated by winding when motor works to be transferred to controller through airflow, leads to control circuit board 9 temperature rise and rises, this installation seat 10 plays the role of heat insulation to a certain extent to reduce control circuit board 9 component temperature rise. Installation seat 10 forms the containing cavity with end cover, and control circuit board 9 is installed in installation seat 10, can effectively block dust, moisture to enter, avoids causing motor short circuit. Also can avoid the three-phase wire head of enameled wire and metal touch, ensures that the withstand voltage of motor is good, guarantees the use safety of motor.

[0043] Those skilled in the art will readily understand that the advantageous technical features of the above-mentioned modes can be freely combined and superimposed without conflict.

[0044] The above is only the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model. The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled in the art, on the premise of not departing from the technical principle of the utility model, a number of improvements and variations can be made, and these improvements and variations should be regarded as the protection scope of the utility model.

Claims

1. A mounting base, characterized in that: include: The main body is provided with a plurality of protrusions (1) arranged at intervals along the circumference of the main body. The main body is also provided with a plurality of positioning holes (2) for connecting with the stator frame. The main body is also provided with a plurality of wire-passing holes (4) for passing wires through the stator windings.

2. The mounting base according to claim 1, characterized in that: With the cross-section of the main body as the horizontal plane, the end face of the protrusion (1) facing away from the main body has an angle with the horizontal plane, the angle being acute, and the end face of the protrusion (1) facing away from the main body is inclined toward the main body.

3. The mounting base according to claim 1, characterized in that: Along the circumference of the main body, a plurality of positioning holes (2) are arranged at intervals, a plurality of wire-passing holes (4) are arranged at intervals, and a rotor hole (3) is provided on the main body. The rotor hole (3) is used to allow the stator rotor to pass through the main body, and the rotor hole (3) is located at the center of the main body.

4. The mounting base according to claim 1, characterized in that: A baffle is provided on the outer peripheral wall of the main body. The baffle extends circumferentially along the main body and extends at least partially out of the main body along the axial direction of the main body. A protrusion (1) is provided on the inner side wall of the baffle and extends at least partially out of the baffle along the axial direction of the main body.

5. An electric motor, characterized in that, Includes the mounting base (10) according to any one of claims 1 to 4.

6. The motor according to claim 5, characterized in that: The motor includes a stator assembly (11), a front cover (13), a rear cover (18), and a control circuit board (9). The mounting base (10) is located between the stator assembly (11) and the front cover (13), and the control circuit board (9) is disposed at one end of the mounting base (10) facing the front cover (13); or, the mounting base (10) is connected to the rear cover (18), and the mounting base (10) and the rear cover (18) enclose a receiving space, and the control circuit board (9) is disposed at one end of the mounting base (10) facing the rear cover (18).

7. The motor according to claim 5, characterized in that: When the main body is provided with a rotor hole (3), the motor includes a rotor (12) and a stator assembly (11). The rotor (12) is sleeved in the stator assembly (11). The rotor (12) is provided with a rotating shaft, and the rotating shaft is clearance-fitted with the rotor hole (3).

8. The motor according to claim 6, characterized in that: When the mounting base (10) is located between the stator assembly (11) and the front end cover (13), and the control circuit board (9) is disposed at one end of the mounting base (10) facing the front end cover (13), the stator assembly (11) includes an iron core (6), a frame (5) and a winding (7). The frame (5) and the winding (7) are disposed on the iron core (6). The frame (5) is provided with a plurality of positioning posts (14) at one end facing the mounting base (10). The positioning posts (14) pass through the positioning hole (2) and abut against the mounting base (10); or, the positioning posts (14) pass through the positioning hole (2), and there is a gap between the end of the positioning post (14) passing through the positioning hole (2) and the mounting base (10).

9. The motor according to claim 8, characterized in that: The frame (5) has a plurality of fixing posts at one end facing the mounting base (10), and the control circuit board (9) has a plurality of mounting holes (15). The fixing posts correspond one-to-one with the mounting holes (15), and the fixing posts at the end facing away from the frame (5) pass through the positioning hole (2) and the mounting hole (15) in sequence.

10. The motor according to claim 9, characterized in that: The sum of the number of the fixing posts and the number of the positioning posts (14) is equal to the number of the positioning holes (2), and the mounting base (10) is made of non-metallic insulating material.