TW202247572A - Motor and cooling device thereof - Google Patents

Abstract

A cooling device applied to a motor main body of a motor, for containing a cooling liquid to cool the motor main body. The cooling device includes a ring shell, a water inlet and a water outlet. The ring shell is used for containing the motor main body, and including a top and a ring containing space for containing the cooling liquid. The water inlet is located on the top and linking to the ring containing space, and used for allowing the cooling liquid to flow into the ring containing space. The water outlet is located on the top and linking to the ring containing space, and used for allowing the cooling liquid to flow out from the ring containing space.

Description

Motor and its cooling device

The invention relates to a cooling device, in particular to a cooling device capable of achieving large-area cooling effect and energy saving.

When a general motor is in operation, it will generate a lot of heat, which will accumulate on the motor body and affect the operating efficiency of the motor. Therefore, manufacturers will install heat sinks or cooling fans outside the motor to dissipate heat from the motor.

However, a general heat sink can only dissipate heat from a small area of the motor, and its heat dissipation effect is very limited; in addition, the cooling fan needs power to operate, so it consumes extra energy. Therefore, it is necessary to provide a new heat dissipation device, which can achieve large-area cooling effect and energy-saving effect.

The main purpose of the present invention is to provide a cooling device capable of achieving large-area cooling effect and energy saving.

To achieve the above object, a cooling device of the present invention is applied to a motor body of a motor, and is used for containing a cooling liquid to cool the motor body. The cooling device includes a cylindrical housing, a water inlet and a water outlet. The cylindrical accommodating shell is used for accommodating the main body of the motor. The cylindrical accommodating shell includes an annular accommodating space and a top, and the annular accommodating space accommodates cooling liquid. The water inlet is arranged on the top and communicates with the annular containing space. The water inlet is used for cooling liquid to flow into the annular accommodation space. The water outlet is arranged on the top and communicates with the annular containing space. The water outlet is used for cooling liquid to flow out of the annular accommodation space.

According to an embodiment of the present invention, the cooling device further includes at least one water outlet guide bar, at least one water outlet guide bar surrounds the cylindrical housing and is close to the top, and at least one water outlet guide bar forms a circular accommodating space A water outlet guide port and a water outlet guide channel, wherein the water outlet guide channel is arc-shaped.

According to an embodiment of the present invention, the water outlet guide channel communicates with the water outlet guide port and the water outlet.

According to an embodiment of the present invention, the water outlet guide channel is used to guide the cooling liquid flowing from the water outlet guide port to the water outlet.

According to an embodiment of the present invention, the cooling device further includes at least one water inlet guide bar, the cylindrical housing includes a long axis direction and an opening, wherein the motor body is accommodated in the cylindrical housing through the opening, and at least one water inlet The guide bar is connected with the cylindrical accommodation shell, and forms a water inlet guide channel in the annular accommodation space, wherein the water inlet guide channel extends linearly toward the opening along the long axis direction.

According to an embodiment of the present invention, the water inlet guiding channel is connected to the water inlet.

According to an embodiment of the present invention, the water inlet guide channel is used to guide the cooling liquid flowing in from the water inlet to the bottom of the annular accommodation space.

According to an embodiment of the present invention, the cooling device further includes an upper cover, and the upper cover covers the cylindrical housing.

According to an embodiment of the present invention, wherein the upper cover and the cylindrical housing are integrated with each other.

According to an embodiment of the present invention, the cylindrical housing includes an outer wall and an inner wall, and the annular accommodation space is located between the outer wall and the inner wall.

In order to allow your review committee members to better understand the technical content of the present invention, the preferred specific embodiments are described as follows.

Please refer to FIG. 1 to FIG. 5 for the cooling device according to an embodiment of the present invention. Fig. 1 is a schematic diagram of a motor and a cooling device of an embodiment of the present invention; Fig. 2 is a partial cross-sectional view of the front of a cooling device of an embodiment of the present invention; Fig. 3 is a back side of a cooling device of an embodiment of the present invention Figure 4 is a cross-sectional view of the cooling device of one embodiment of the present invention along the section line XX shown in Figure 1; Figure 5 is a cooling device of one embodiment of the present invention along the line shown in Figure 1 Sectional view of section line YY.

As shown in FIG. 1 to FIG. 3 , in an embodiment of the present invention, the cooling device 1 can achieve large-area cooling effect and energy-saving effect. The cooling device 1 is applied to a motor body 210 of a motor 200, and is used for containing a coolant 100 to cool the motor body 210. The motor 200 is, for example, a vacuum motor or a pumping motor. The coolant 100 is, for example, water. The cooling device 1 includes a cylindrical housing 10 , a water inlet 20 , a water outlet 30 , three water outlet guide bars 40 , 40 a , two water inlet guide bars 50 and an upper cover 60 .

In one embodiment of the present invention, the cylindrical housing 10 is used to house the motor body 210 , and the cylindrical housing 10 includes an annular housing space 11 , a top 12 , an opening 13 , an outer wall 14 and an inner wall 15 , and the cylindrical housing 10 has a major axis direction F, the annular accommodation space 11 accommodates the coolant 100 , and the annular accommodation space 11 is located between the outer wall 14 and the inner wall 15 . The top 12 includes a top surface 121 , and the top surface 121 is a side facing and contacting the upper cover 60 . The motor body 210 is accommodated in the cylindrical housing 10 through the opening 13 . Since the cylindrical housing 10 surrounds the motor main body 210 , the cooling liquid 100 in the annular housing space 11 conducts large area heat exchange to the motor main body 210 to cool the motor 200 .

In one embodiment of the present invention, the water inlet 20 is disposed on the top 12 of the cylindrical housing 10 and communicates with the annular accommodation space 11 , and the water inlet 20 is used for the cooling liquid 100 to flow into the annular accommodation space 11 .

In one embodiment of the present invention, the water outlet 30 is disposed on the top 12 of the cylindrical housing 10 and communicates with the annular accommodation space 11 , and the water outlet 30 is located beside the water inlet 20 . The water outlet 30 is used for the coolant 100 after absorbing heat to flow out of the annular accommodation space 11 . The water inlet 20 and the water outlet 30 are located at different levels, and compared with the water inlet 20 , the water outlet 30 is closer to the top surface 121 , that is to say, the height of the water outlet 30 is higher than that of the water inlet 20 .

In one embodiment of the present invention, three water outlet guide strips 40 , 40 a surround the inner wall 15 of the cylindrical housing 10 and lean against the top 12 . One of the water outlet guide strips 40a is arranged on the top of the cylindrical housing 10, and the other two water outlet guide strips 40 are arranged below the water outlet guide strips 40a. A water outlet guide opening 41 is formed between the two water outlet guide strips 40 . Between the water outlet guide bar 40a and the two water outlet guide bars 40, two water outlet guide channels 42 extending transversely are respectively formed, and the water outlet guide channels 42 are arc-shaped. One of the water outlet guiding channels 42 communicates with the water outlet 41 and the water outlet 30 , and the one of the water outlet guiding channels 42 is used to guide the cooling liquid 100 flowing from the water outlet 41 to the water outlet 30 . However, the design of the water outlet structure of the present invention is not limited to the above. For example, the number of water outlets 30 can also be changed to two, and the two water outlets 30 are respectively arranged at the ends of the two water outlet guide channels 42 to improve cooling. The efficiency of the liquid 100 flowing out from the water outlet 30 to the outside. In addition, the number of water outlet guide strips is not limited to three, and it can also be changed to one according to the design.

In one embodiment of the present invention, two water inlet guide strips 50 are connected to the inner wall 15 of the cylindrical housing 10, and the two water inlet guide strips 50 form a longitudinally extending water inlet in the annular accommodation space 11. Guide waterway 51. The water inlet guide channel 51 extends linearly along the major axis direction F toward the opening 13 . The water inlet guide channel 51 is connected to the water inlet 20 . The water inlet guide channel 51 is used to guide the cooling liquid 100 flowing in from the water inlet 20 to the bottom of the annular accommodation space 11 . The two water inlet guide bars 50 are respectively connected with the two water outlet guide bars 40 . In addition, the number of water inlet guide strips is not limited to two, and it can also be changed to one according to the design.

In one embodiment of the present invention, the upper cover 60 covers the cylindrical housing 10 . The upper cover 60 and the cylindrical housing 10 are integrally combined with each other. Cylindrical housing 10 and its annular housing space 11, outer wall 14, inner wall 15, three water outlet guide strips 40, 40a, two water inlet guide strips 50 and upper cover 60 are formed by casting process, which can save The time and cost of making and welding the water channel, the upper cover 60 and the cylindrical housing 10 are separated, and a large-capacity annular housing space 11 is added to the cylindrical housing 10 to form a channel for guiding the cooling liquid 100 .

As shown in FIG. 1 , FIG. 2 and FIG. 4 , when the user wants to use the cooling device 1 of the present invention to cool down the motor body 210 , first, the user has to wrap the cylindrical housing 10 around the motor body 210 . Next, the user must inject the cooling liquid 100 from the water inlet 20 into the annular accommodation space 11 , so that the cooling liquid 100 flows along the water inlet direction A to the bottom of the annular accommodation space 11 in the water inlet guide channel 51 . When the cooling liquid 100 flows to the bottom of the annular accommodation space 11 , it will flow along the bottom wall of the annular accommodation space 11 along the flow directions B and C to the left and right sides respectively.

As shown in Fig. 1, Fig. 3 and Fig. 4, the cooling liquid 100 flowing along the flow directions B and C will converge on the other side of the annular accommodation space 11, and at this time, the converging cooling liquid 100 will flow along the ascending direction D Gradually rise; in this way, the height of the raised coolant 100 in the annular accommodation space 11 will be higher than the motor body 210, so it can completely surround the motor body 210 and conduct large-area heat exchange to achieve the purpose of cooling the motor 200 .

As shown in Fig. 2, Fig. 3 and Fig. 5, during the process of the converging cooling liquid 100 gradually rising along the ascending direction D, the cooling liquid 100 will absorb the heat emitted by the motor body 210 and gradually heat up; when the cooling liquid 100 rises When reaching the water outlet guide port 41 , the coolant 100 will flow into the water outlet guide channel 42 and flow out along the water outlet direction E from the water outlet 30 to the outside. Therefore, through the above-mentioned waterway design, the temperature of the target hot zone (that is, where the motor body 210 is located) can be effectively removed, allowing the water with a higher temperature to rise to a high place and then flow out to the outside through the outlet water guiding channel 42 .

With the design of the cooling device 1 of the present invention, the cooling effect of a large area can be achieved, and the cooling device 1 does not need additional power supply to achieve energy-saving effect. In addition, the water channel design of the cooling device 1 can effectively remove the temperature of the target hot zone, allowing the water with a higher temperature to rise to a high place and then effectively flow out to the outside. The cooling device 1 is formed by a casting process, which can save the time and cost of separately manufacturing and welding the water channel, the upper cover and the cylindrical housing.

It should be noted that the above is only an example, but not limited to the example. For example, what does not depart from the basic structure of the present invention should be the scope of rights claimed by this patent, and the scope of patent application should be the criterion.

1: cooling device 10: Cylindrical housing 11: Ring storage space 12: top 121: top surface 13: opening 14: Outer wall 15: inner wall 20: water inlet 30: water outlet 40, 40a: Water outlet guide strip 41: Water outlet guide port 42: Outlet guide waterway 50: Water inlet guide strip 51: water inlet guide channel 60: top cover 100: coolant 200: motor 210: Motor body A: Water inlet direction B, C: flow direction D: rising direction E: Water outlet direction F: Long axis direction XX, YY: section line

Fig. 1 is a schematic diagram of a motor and a cooling device according to an embodiment of the present invention. Fig. 2 is a partial sectional view of the front of a cooling device according to an embodiment of the present invention. Fig. 3 is a partial sectional view of the back side of a cooling device according to an embodiment of the present invention. Fig. 4 is a sectional view of the cooling device according to an embodiment of the present invention along the section line XX shown in Fig. 1 . Fig. 5 is a sectional view of the cooling device according to an embodiment of the present invention along the section line YY shown in Fig. 1 .

1: cooling device

10: Cylindrical housing

20: water inlet

30: water outlet

40, 40a: Water outlet guide strip

50: Water inlet guide strip

51: water inlet guide channel

60: top cover

200: motor

210: Motor body

XX, YY: section line

Claims (20)

A cooling device is applied to a motor body of a motor, and is used to accommodate a coolant to cool the motor body, the cooling device comprising: a cylindrical housing for housing the motor body, the cylindrical housing includes an annular accommodation space and a top, the annular accommodation space accommodates the coolant; A water inlet is arranged on the top and communicates with the annular accommodation space, and the water inlet is used for the cooling liquid to flow into the annular accommodation space; and A water outlet is arranged on the top and communicates with the annular accommodation space, and the water outlet is used for the cooling liquid to flow out of the annular accommodation space. The cooling device as described in claim 1, further comprising at least one water outlet guide strip, the at least one water outlet guide strip surrounds the cylindrical housing and is close to the top, and the at least one water outlet guide strip is in the annular accommodation space A water outlet guide port and a water outlet guide channel are formed, wherein the water outlet guide channel is arc-shaped. The cooling device according to claim 2, wherein the water outlet guide channel communicates with the water outlet guide port and the water outlet. The cooling device according to claim 3, wherein the water outlet guide channel is used to guide the cooling liquid flowing from the water outlet guide port to the water outlet. The cooling device as described in claim 4, further comprising at least one water inlet guide bar, the cylindrical housing includes a long axis direction and an opening, wherein the motor main body is accommodated in the cylindrical housing through the opening, The at least one water inlet guide strip is connected to the cylindrical housing and forms a water inlet guide channel in the annular accommodation space, wherein the water inlet guide channel extends linearly toward the opening along the long axis direction. The cooling device according to claim 5, wherein the water inlet guiding channel is connected to the water inlet. The cooling device according to claim 6, wherein the water inlet guide channel is used to guide the cooling liquid flowing in from the water inlet to the bottom of the annular containing space. The cooling device as described in claim 7 further includes an upper cover covering the cylindrical housing. The cooling device as claimed in claim 8, wherein the upper cover and the cylindrical housing are integrally combined with each other. The cooling device according to claim 1, wherein the cylindrical housing includes an outer wall and an inner wall, and the annular accommodation space is located between the outer wall and the inner wall. A motor comprising: a motor body; and A cooling device for containing a coolant to cool the motor body, the cooling device includes: a cylindrical housing for housing the motor body, the cylindrical housing includes an annular accommodation space and a top, the annular accommodation space accommodates the coolant; A water inlet is arranged on the top and communicates with the annular accommodation space, and the water inlet is used for the cooling liquid to flow into the annular accommodation space; and A water outlet is arranged on the top and communicates with the annular accommodation space, and the water outlet is used for the cooling liquid to flow out of the annular accommodation space. The motor as described in claim 11, wherein the cooling device further includes at least one water outlet guide bar, the at least one water outlet guide bar surrounds the cylindrical housing and is close to the top, and the at least one water outlet guide bar is in the ring A water outlet guide port and a water outlet guide channel are formed in the accommodation space, wherein the water outlet guide channel is arc-shaped. The motor according to claim 12, wherein the water outlet guide channel communicates with the water outlet guide port and the water outlet. The motor according to claim 13, wherein the water outlet guide channel is used to guide the cooling liquid flowing from the water outlet guide port to the water outlet. The motor as described in claim 14, wherein the cooling device further includes at least one water inlet guide bar, the cylindrical housing includes a long axis direction and an opening, wherein the motor main body is accommodated in the cylindrical housing through the opening housing, the at least one water inlet guide bar is connected to the cylindrical housing, and a water inlet guide channel is formed in the annular accommodation space, wherein the water inlet guide channel is a straight line toward the opening along the long axis direction extend. The motor according to claim 15, wherein the water inlet guiding channel is connected to the water inlet. The motor according to claim 16, wherein the water inlet guide channel is used to guide the cooling liquid flowing in from the water inlet to the bottom of the annular accommodation space. The motor according to claim 17, wherein the cooling device further includes an upper cover covering the cylindrical housing. The motor as claimed in claim 18, wherein the upper cover and the cylindrical housing are integrally combined with each other. The motor as claimed in claim 11, wherein the cylindrical housing includes an outer wall and an inner wall, and the annular accommodation space is located between the outer wall and the inner wall.

Images