Motor stator with cooling structure

Abstract

The utility model discloses a motor stator with a cooling structure, which belongs to the technical field of motors and comprises a stator mechanism and an air blowing mechanism, a supporting mechanism is arranged on the stator mechanism, a connecting mechanism is arranged outside an installation mechanism, and the air blowing mechanism is connected with the supporting mechanism. The connecting mechanism is provided with a blowing mechanism used for blowing and cooling the winding group, and the supporting mechanism is provided with a heat conducting sheet used for conducting heat and increasing the heat dissipation area. According to the utility model, through the arrangement of the stator core, the prismatic structure and the heat-conducting fins, the heat dissipation area of the device is effectively increased, and the heat-conducting fins are convenient to disassemble and assemble, so that the heat-conducting fins are convenient to maintain and clean in the later period; the blowing mechanism can generate airflow to dissipate heat of the stator and the coil winding, and the mounting mechanism and the connecting mechanism enable the blowing mechanism to be mounted more stably.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor technical field especially is related to a motor stator with cooling structure. BACKGROUND

[0002] The motor is a kind of equipment to convert electric energy into mechanical energy, it is to use the rotation magnetic field generated by the coil and acts on rotor to form magnetic electric power rotation torque, its wide application in industrial manufacturing, transportation, household appliances, aerospace and medical equipment etc. every field, in motor, stator mainly plays the role of producing rotating magnetic field.

[0003] The existing motor stator is mostly not provided with heat dissipation structure, and the stator provided with heat dissipation structure mostly improves heat dissipation efficiency by increasing the surface area of stator, for example, the Chinese patent for invention with the announcement number CN116231891A discloses a stator core structure with large heat dissipation area and motor, the device includes stator core and the heat dissipation hole arranged at the yoke part of stator core, and the heat dissipation hole extends along the axial direction of stator core;The heat dissipation hole includes a plurality of heat dissipation hole units arranged at intervals, and the adjacent two heat dissipation hole units enclose the heat dissipation rib for heat transfer.The yoke part of stator core is cooled by the heat dissipation hole along the axial direction, the heat dissipation hole is composed of a plurality of heat dissipation hole units, and the adjacent heat dissipation hole units enclose the heat dissipation rib, each heat dissipation hole is divided into a plurality of channels composed of heat dissipation hole units by the heat dissipation rib, then when the motor is cooled, the heat is removed by the internal channel of heat dissipation hole unit, and the heat dissipation area during the ventilation process of heat dissipation hole is increased by the heat dissipation rib, to improve the heat dissipation capacity, at the same time, the heat dissipation hole composed of a plurality of heat dissipation hole units is separated by the heat dissipation rib, to ensure the strength of stator core structure, while reducing the weight of motor, although the above-mentioned device increases the heat dissipation area during the ventilation process of heat dissipation hole by the heat dissipation rib, to improve the heat dissipation capacity, but in actual use, the increase range of stator surface area is limited, and the improvement of heat dissipation effect by increasing the surface area is also not significant, and the stator structure is relatively complex due to the increase of stator surface area, and the complex structure makes it difficult to clean and maintain after the stator is dusty.

[0004] Therefore, it is urgent to provide a motor stator with cooling structure to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model overcomes the defects of the prior art, and provides a motor stator with cooling structure.

[0006] In order to solve the above technical problems, the present invention adopts a technical solution: providing a motor stator with a cooling structure, comprising a stator mechanism and a blower mechanism, wherein a support mechanism is provided on the stator mechanism, and a mounting mechanism is provided at one end of the stator mechanism, and a connecting mechanism is provided on the outside of the mounting mechanism;

[0007] The connecting mechanism is provided with a blowing mechanism for blowing air to cool the winding group;

[0008] The support mechanism is provided with a heat conducting sheet for conducting heat and increasing the heat dissipation area.

[0009] The present invention is further configured as follows: the stator mechanism comprises a stator core, the inner wall of the stator core is provided with a plurality of winding slots, and the outer wall of the stator core is provided with a plurality of prismatic structures.

[0010] Through the above technical solution, the winding groove can be used to wind the wire group and limit the wire group, effectively improving the stability of the wire group, and the prismatic structure can increase the surface area of ​​the stator core, thereby improving the heat dissipation efficiency of the stator core.

[0011] The present invention is further configured as follows: the support mechanism includes a plurality of support frames fixed on the stator core, and slots are provided on the outer walls of the support frames, and support blocks are fixed on the ends of the support frames.

[0012] Through the above technical solution, the support mechanism is provided with four groups, the support blocks are in contact with the motor housing, and the slots can be used to insert the heat conducting sheet. The heat conducting sheet is made of copper sheet and its cross section is corrugated. It has good thermal conductivity and further increases the heat dissipation area of ​​the device. The setting of the slots makes it easy to disassemble the heat conducting sheet.

[0013] The present invention is further configured as follows: the mounting mechanism comprises a mounting hole provided at one end of the stator mechanism, and a protrusion is fixed to the outside of the mounting hole.

[0014] Through the above technical solution, the mounting hole is a threaded hole, and the shape and size of the protrusion match the shape and size of the notch on the connection cover, which can effectively improve the stability of the connection when the connection mechanism is subsequently installed.

[0015] The utility model is further configured as follows: the connecting mechanism includes a connecting cover arranged outside the mounting hole, and a connecting arm is fixed on the connecting cover, a bearing sleeve is fixed to the other end of the connecting arm, and a ball is provided on the inner wall of the bearing sleeve.

[0016] Through the above technical solution, a notch matching the bump is provided on the connecting cover, and the bearing sleeve and the ball can effectively reduce the rotational resistance of the bearing inner ring.

[0017] The utility model is further configured as follows: the air blowing mechanism comprises a bearing inner ring rotatably arranged on the inner side of the bearing sleeve, and a fan blade is fixed on one end of the bearing inner ring.

[0018] Through the above technical solution, when the inner ring of the bearing rotates, the fan blades will also rotate accordingly, thereby blowing out air flow to cool the device.

[0019] The utility model is further configured as follows: a shaft insertion hole is provided on the inner side of the bearing inner ring, and a key groove is provided on the inner wall of the shaft insertion hole.

[0020] Through the above technical solution, a shaft key is provided on the rotor shaft that cooperates with the device. When the motor rotor is installed, the rotor shaft can be passed through the shaft socket. With the cooperation of the shaft key and the keyway, when the rotor rotates, the inner ring of the bearing will also rotate, thereby driving the fan blades to rotate.

[0021] The beneficial effects of the utility model are as follows:

[0022] 1. The utility model effectively increases the heat dissipation area of ​​the device through the arrangement of the stator core, the prismatic structure and the heat conducting sheet. The heat conducting sheet is easy to disassemble and install, thus facilitating the subsequent maintenance and cleaning of the heat conducting sheet.

[0023] 2. The utility model is provided with an installation mechanism, a connection mechanism and a blower mechanism. When the rotor rotates, the blower mechanism can generate airflow to dissipate heat for the stator and coil windings. The installation mechanism and the connection mechanism make the installation of the blower mechanism more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a first-perspective structural diagram of the utility model;

[0025] Figure 2 This is a structural diagram from a second perspective of the present invention;

[0026] Figure 3 This is a partial structural diagram of the stator mechanism, support mechanism and installation mechanism of the utility model;

[0027] Figure 4 For the utility model Figure 3 A partial enlarged view of point A in the middle;

[0028] Figure 5 This is a partial structural diagram of the connecting mechanism of the utility model;

[0029] Figure 6 This is a partial structural diagram of the connecting mechanism and the hair dryer structure of the utility model.

[0030] In the figure: 1. stator mechanism; 101. stator core; 102. winding slot; 103. prismatic structure; 2. supporting mechanism; 201. supporting frame; 202. slot; 203. supporting block; 3. mounting mechanism; 301. mounting hole; 302. protrusion; 4. connecting mechanism; 401. connecting cover; 402. connecting arm; 403. bearing sleeve; 404. ball bearing; 5. blower mechanism; 501. bearing inner ring; 502. fan blade; 503. shaft socket; 504. keyway; 6. heat conducting plate. DETAILED DESCRIPTION

[0031] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more precise definition of the protection scope of the present invention.

[0032] See also Figure 1-Figure 3 A motor stator with a cooling structure includes a stator mechanism 1 and a blower mechanism 5. The stator mechanism 1 includes a stator core 101. The inner wall of the stator core 101 is provided with a plurality of winding grooves 102. The outer wall of the stator core 101 is provided with a plurality of prismatic structures 103. The winding grooves 102 can be used for winding a wire group and limiting the wire group, effectively improving the stability of the wire group. The prismatic structure 103 can increase the surface area of ​​the stator core 101, thereby improving the heat dissipation efficiency of the stator core 101.

[0033] like Figure 3 and Figure 4 As shown, a support mechanism 2 is provided on the stator mechanism 1, and the support mechanism 2 includes a plurality of support frames 201 fixed on the stator core 101. A slot 202 is provided on the outer wall of the support frame 201, and a support block 203 is fixed to the end of the support frame 201. The support mechanism 2 is provided with four groups, and the support block 203 is in contact with the motor housing. The slot 202 can be used to insert the heat conducting sheet 6. The heat conducting sheet 6 is made of copper sheet, and its cross section is corrugated. It has good thermal conductivity and further increases the heat dissipation area of ​​the device. The setting of the slot 202 makes it easy to disassemble the heat conducting sheet 6.

[0034] like Figure 3-Figure 5 As shown, a mounting mechanism 3 is provided at one end of the stator mechanism 1, and the mounting mechanism 3 includes a mounting hole 301 opened at one end of the stator mechanism 1, and a protrusion 302 is fixed to the outside of the mounting hole 301. The mounting hole 301 is a threaded hole, and the shape and size of the protrusion 302 match the shape and size of the notch on the connecting cover 401, which can effectively improve the stability of the connection when the connecting mechanism 4 is subsequently installed.

[0035] like Figure 4-Figure 6As shown, a connecting mechanism 4 is provided on the outside of the mounting mechanism 3, and the connecting mechanism 4 includes a connecting cover 401 arranged on the outside of the mounting hole 301, a connecting arm 402 is fixed on the connecting cover 401, and a bearing sleeve 403 is fixed to the other end of the connecting arm 402, and a ball 404 is provided on the inner wall of the bearing sleeve 403. A notch matching the protrusion 302 is opened on the connecting cover 401, and the bearing sleeve 403 and the ball 404 can effectively reduce the rotational resistance of the bearing inner ring 501.

[0036] like Figure 5 and Figure 6 As shown, the connecting mechanism 4 is provided with a blower mechanism 5 for blowing air to cool the winding group. The blower mechanism 5 includes a bearing inner ring 501 rotatably arranged on the inner side of the bearing sleeve 403. A fan blade 502 is fixed to one end of the bearing inner ring 501. A shaft socket 503 is provided on the inner side of the bearing inner ring 501. A key slot 504 is provided on the inner wall of the shaft socket 503. A heat conducting plate 6 for conducting heat and increasing the heat dissipation area is provided on the supporting mechanism 2. When the bearing inner ring 501 rotates, the fan blade 502 will also rotate accordingly, thereby blowing out air flow to cool the device. A shaft key is provided on the rotor shaft that cooperates with the device. When the motor rotor is installed, the rotor shaft can be passed through the shaft socket 503. With the cooperation of the shaft key and the key slot 504, when the rotor rotates, the bearing inner ring 501 will also rotate, thereby driving the fan blade 502 to rotate.

[0037] When the present invention is in use, the staff first winds the coil winding on the winding slot 102 of the stator core 101, and then installs the stator mechanism 1 in a matching motor housing with ventilation holes. Subsequently, the staff passes the rotor shaft through the shaft socket 503 and installs the rotor. When the device is powered on, the rotor drives the fan blades 502 to rotate, thereby cooling the device. When the airflow passes through, the prismatic structure 103 and the heat conducting sheet 6 can effectively increase the heat dissipation area of ​​the structure, thereby improving the heat dissipation efficiency and avoiding heating of the coil winding.

[0038] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A motor stator with a cooling structure, comprising a stator mechanism (1) and a blower mechanism (5), characterized in that: A support mechanism (2) is provided on the stator mechanism (1), and a mounting mechanism (3) is provided at one end of the stator mechanism (1), and a connecting mechanism (4) is provided outside the mounting mechanism (3); The connecting mechanism (4) is provided with a blower mechanism (5) for blowing air to cool the winding assembly; The support mechanism (2) is provided with a heat conducting sheet (6) for conducting heat and increasing the heat dissipation area.

2. The motor stator with a cooling structure according to claim 1, characterized in that: The stator mechanism (1) comprises a stator core (101), the inner wall of the stator core (101) is provided with a plurality of winding slots (102), and the outer wall of the stator core (101) is provided with a plurality of prismatic structures (103).

3. The motor stator with a cooling structure according to claim 2, characterized in that: The support mechanism (2) comprises a plurality of support frames (201) fixed on the stator core (101), wherein the outer wall of the support frame (201) is provided with a slot (202), and a support block (203) is fixed at the end of the support frame (201).

4. The motor stator with a cooling structure according to claim 2, characterized in that: The mounting mechanism (3) comprises a mounting hole (301) opened at one end of the stator mechanism (1), and a protrusion (302) is fixed outside the mounting hole (301).

5. The motor stator with a cooling structure according to claim 4, characterized in that: The connecting mechanism (4) comprises a connecting cover (401) arranged outside the mounting hole (301), a connecting arm (402) being fixed on the connecting cover (401), a bearing sleeve (403) being fixed at the other end of the connecting arm (402), and a ball (404) being provided on the inner wall of the bearing sleeve (403).

6. The motor stator with a cooling structure according to claim 5, characterized in that: The air blowing mechanism (5) comprises a bearing inner ring (501) rotatably arranged inside the bearing sleeve (403), and a fan blade (502) is fixed to one end of the bearing inner ring (501).

7. The motor stator with a cooling structure according to claim 6, characterized in that: A shaft insertion hole (503) is provided on the inner side of the bearing inner ring (501), and a key groove (504) is provided on the inner wall of the shaft insertion hole (503).

Images