TWI655834B - Motor unit with rapid heat dissipation - Google Patents

Abstract

The invention relates to a motor device with rapid heat dissipation effect, which comprises a half shell, a stator and a plurality of heat conducting rods, the stator system is disposed in the half shell, and the plurality of heat conducting rods abut against the half shell Connected to the half-shell and the stator, the present invention provides the plurality of heat-conducting rods in the motor device, whereby the waste heat is quickly led out of the motor via the half-shell or the stator, preferably, the plural can be adjusted The number and material of the heat conducting rods provide better heat dissipation efficiency, thereby effectively avoiding the motor operating temperature being too high, damaging the coil of the stator and the rotor provided therein, and causing a problem of reducing the life of the motor, thereby providing a rapid heat dissipation. The effect of the motor device.

Description

Motor unit with rapid heat dissipation

The present invention relates to a motor device, and more particularly to a motor device having a rapid heat dissipation effect.

As one of the industrially indispensable devices, the motor can convert electrical energy into mechanical energy, thereby providing power to drive other mechanical components. The existing motor mainly includes a casing, a stator and a rotor, and the stator is disposed on the casing. In the body, the rotor is disposed in the stator, and through the power of the current magnetic effect interacting with the magnetic field, the rotor can rotate rapidly around the central axis of the existing motor to provide power, in the process, existing The motor generates waste heat and causes the temperature to rise rapidly. When the temperature of the existing motor is too high, the stator and the coil provided by the rotor are easily damaged, and the life of the existing motor is shortened. Therefore, the existing motor has an operating temperature that is too high. The problem does have something to improve.

In order to solve the problem that the working temperature of the existing motor is too high, the present invention provides a motor device having a rapid heat dissipation effect, and the waste heat of the half shell or the stator of the motor can be directly derived by a plurality of heat conducting rods, which is further described below.

The present invention provides a motor device having a rapid heat dissipation effect, comprising: a half-shell; a stator, the stator is disposed inside the half-shell; and a plurality of heat-conducting rods spaced apart from the stator In combination, each of the thermally conductive rods has a free end that extends beyond the stator and extends away from the stator.

Further, in the above motor device having a rapid heat dissipation effect, each of the heat conducting bars is parallel to the axis of the stator.

The present invention provides a motor device having a rapid heat dissipation effect, comprising: a half-shell; a stator disposed inside the half-shell and abutting the half-shell; and a plurality of heat-conducting rods A plurality of thermally conductive rods are spaced apart from the half-shell and extend away from the stator.

Further, in the above motor device having a rapid heat dissipation effect, each of the heat conducting bars is parallel to the axis of the stator.

Preferably, in the above motor device having a rapid heat dissipation effect, an outer surface of a portion of the heat conducting rod protrudes from an inner side wall of the half-shell and abuts against the stator.

Preferably, in the above motor device having a rapid heat dissipation effect, each of the heat conducting bars is covered by the half casing, so that waste heat is conducted through the half casing.

According to the above technical feature, the present invention provides the plurality of thermal conductive bars in the motor device, whereby the waste heat is quickly led out of the motor via the half-shell or the stator. Preferably, the number of the plurality of thermal conductive bars is adjusted. The material provides better heat dissipation efficiency, thereby effectively avoiding the motor operating temperature being too high, damaging the coil of the stator and the rotor provided therein, and causing a problem of reduced motor life, thereby providing a motor device with rapid heat dissipation effect.

In order to understand the technical features and the practical effects of the present invention in detail, and can be implemented according to the contents of the specification, the detailed description of the preferred embodiment shown in the drawings is as follows:

The present invention is a motor device having a rapid heat dissipation effect. The first preferred embodiment, as shown in FIGS. 1 and 3, comprises a half housing 10, a stator 20, and a plurality of thermal bars 30, wherein:

The half-shell 10 is a cylinder, and the half-shell 10 is a part of the overall casing of the motor device. The half-shell 10 has an opening 11 through which the stator 20 is connected to the half-shell 10. The housing 20 is disposed inside the half-shell 10, and the stator 20 is provided with an accommodating space 201 and a steel sheet 21 formed inside the stator 20 to accommodate a rotor (not shown). The manner in which the rotor is actuated relative to the stator 20 to provide power is a technique well known in the art, which is not described herein; the silicon steel sheet 21 is radially protruded from the outer periphery of the stator 20 to make the silicon steel sheet The outer diameter of the outer surface of the steel piece 21 is opposite to the inner side wall of the half-shell 10, and the outer surface of the steel piece 21 is axially spaced and provided with a plurality of coupling grooves. .

As shown in FIG. 2 and FIG. 3, the plurality of thermal conductive bars 30 have high thermal conductivity, and can provide good thermal conduction effects, and are fixedly coupled to the stator 20 at intervals, and each of the thermal conductive bars 30 is coupled to the stator 20. The two ends of the heat conducting rod 30 are respectively a fixed end 31 and a free end 32. The heat conducting rod 30 extends axially into the coupling groove of the silicon steel sheet 21 by the fixed end 31. The stator 20 is coupled to the stator 20; the free end 32 projects axially from the silicon steel sheet 21 and protrudes from the opening 11 of the half-shell 10.

Referring to FIG. 4, when the motor device is running at a high speed, the generated waste heat enters the plurality of thermal conductive bars 30 via the silicon steel sheet 21 of the stator 20, and the high thermal conductivity of the plurality of thermal conductive bars 30 can provide good thermal conductivity. The heat conduction effect can quickly derive waste heat from the stator 20 and derive the half from the free end 32 of the plurality of thermally conductive rods 30 in the case where the heat transfer efficiency is higher than the heat transfer efficiency between the half-shell 10 and the stator 20. The housing 10 achieves the effect of rapid heat dissipation, which can avoid high temperature damage to the coils of the stator 20 and the rotor, and shorten the life of the motor.

A second preferred embodiment of the present invention is shown in FIGS. 5-7, which differs from the first preferred embodiment in that the half-shell 10 further includes an inner joint ring 12, the inner joint ring. The 12-line radially inwardly protrudes from the inner side of the half-shell 10 and extends from the opening 11 to the bottom of the half-shell 10, and the inner surface of the inner joint ring 12 is the half-shell The inner side wall of the stator 20 is abutted against the silicon steel sheet 21 of the stator 20. Referring to FIG. 6 and FIG. 7, the plurality of heat conducting rods 30A are fixedly coupled to the inner joint ring 12 at intervals. The 30A is parallel to the axis of the stator 20, and the outer surface of each of the heat conducting bars 30A protrudes from the inner surface of the inner ring 12, and the outer surface portion of the plurality of heat conducting bars 30A and the stator 20 are The silicon steel sheet 21 is abutted. Further, in the case where the number of the plurality of heat conducting rods 30A is increased, the outer surface portion of the partial heat conducting rod 30A may protrude only between the inner surface of the inner joint ring 12 and the silicon steel sheet 21. Space, not against the silicon steel sheet 21.

In the preferred embodiment, there are three conduction paths for waste heat: the first type is shown in FIG. 8A, and is abutted against the portion of the heat conducting rod 30A via the silicon steel sheet 21, and is led out by the portion of the heat conducting rod 30A; As shown in FIG. 8B, the half-shell 10 is introduced through the steel sheet 21 and the inner joint ring 12, and further extended from the joint of the inner joint ring 12 and the plurality of heat-conducting rods 30A; As shown in Fig. 8C, direct heat radiation is transmitted through the stator 20, and is absorbed by each of the heat conducting bars 30A before being led out.

Referring to the third preferred embodiment of the present invention, please refer to FIG. 9 , which differs from the second preferred embodiment in that the plurality of thermal conductive bars 30B are covered by the inner bonding ring 12 without protruding. The inner side wall of the half-shell 10 does not abut against the stator 20, and the path for conducting waste heat is mainly the second path described above. In the preferred embodiment, although the waste heat extraction process must pass through the half. The housing 10 can adjust the number and material (thermal conductivity) of the plurality of thermal conductive bars 30B to achieve a better heat dissipation effect than the prior art.

According to the above technical feature, the present invention provides the heat transfer rod 30, 30A, 30B in the motor device, whereby the waste heat is quickly led out of the motor via the half-shell 10 or the stator 20, preferably through adjustment The number and material of the plurality of thermal conductive bars 30, 30A, 30B provide better heat dissipation efficiency, thereby effectively avoiding excessive operating temperature of the motor, damaging the coil of the stator 20 and the rotor provided therein, and causing a reduction in motor life. The problem is to provide a motor device with rapid heat dissipation.

The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any one of ordinary skill in the art can use the present invention without departing from the scope of the present invention. Equivalent embodiments of the present invention may be within the scope of the technical solutions of the present invention without departing from the technical scope of the present invention.

10‧‧‧ half shell

11‧‧‧ openings

12‧‧‧Inner ring

20‧‧‧ Stator

201‧‧‧ accommodating space

21‧‧‧矽Steel sheet

30, 30A, 30B‧‧‧ Thermal Conductive Rod

31‧‧‧ fixed end

32‧‧‧Free end

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view of a first preferred embodiment of the present invention. Figure 2 is a perspective view of the first preferred embodiment of the present invention with the half-shell removed. Figure 3 is a front elevational view of a first preferred embodiment of the present invention. 4 is a schematic view of a heat conduction path of a first preferred embodiment of the present invention. Figure 5 is a perspective view of a second preferred embodiment of the present invention. Figure 6 is a front elevational view of a second preferred embodiment of the present invention. Figure 7 is a partially enlarged front elevational view of a second preferred embodiment of the present invention. Figure 8A is a schematic view of a first conduction path of a second preferred embodiment of the present invention. Figure 8B is a schematic view of a second conduction path in accordance with a second preferred embodiment of the present invention. Figure 8C is a schematic view of a third conduction path in accordance with a second preferred embodiment of the present invention. Figure 9 is a partially enlarged front elevational view of a third preferred embodiment of the present invention.

Claims (6)

A motor device having a rapid heat dissipation effect, comprising: a half shell; a stator, the stator is disposed inside the half shell; and a plurality of heat conducting rods, the plurality of heat conducting rods are spaced apart from the stator Each of the thermally conductive rods has a free end that extends out of the stator and extends away from the stator. A motor device having a rapid heat dissipation effect according to claim 1, wherein each of the heat conduction bars is parallel to the axis of the stator. A motor device having a rapid heat dissipation effect, comprising: a half shell; a stator disposed inside the half shell and abutting the half shell; and a plurality of heat conducting rods, the plurality of heat conducting rods It is spaced apart from the half-shell and extends away from the stator. A motor device having a rapid heat dissipation effect as claimed in claim 3, wherein each of the heat conducting bars is parallel to the axis of the stator. A motor device having a rapid heat dissipation effect according to claim 3 or 4, wherein an outer surface of the plurality of heat conducting bars protrudes from an inner side wall of the half case, and a portion of the plurality of heat conducting bars abut against the stator. A motor device having a rapid heat dissipation effect according to claim 3 or 4, wherein each of the heat transfer bars is covered by the half case, and waste heat is conducted through the half case.