Double-section turbulent cooling water channel of motor

Abstract

The utility model relates to the technical field of motor cooling, and discloses a double-section turbulent cooling water channel of a motor, which comprises end covers arranged at the upper end and the lower end of a motor shell, and further comprises a water channel partition ring arranged on the outer surface of the motor shell, and water channel partition plates are arranged on the surfaces of the upper side and the lower side of the water channel partition ring. A plurality of downstream plates are mounted on the surfaces of the upper and lower sides of the water channel partition ring on the two sides of the water channel partition plate and the surface of one side, close to the water channel partition ring, of the end cover; the water channel in the circumferential direction is divided into two sections in the vertical direction through the water channel partition ring, the number of cooling water inlets and outlets is increased to two pairs, and therefore the path length of water flow is reduced, the heat dissipation efficiency is improved, cooling water is fully scattered in the water channel through the flow guide water fins, on one hand, the heat dissipation area is increased through the flow guide water fins, and the heat dissipation efficiency is improved. And on the other hand, the cooling water is in full contact with the heat dissipation surface, and the cooling water and the heated cooling water are mixed in turbulent flow, so that the heat exchange speed of the cooling water body is greatly increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor cooling technical field, concretely is a kind of motor double-section turbulent cooling water channel. BACKGROUND

[0002] Large power motor, because of power, need good heat dissipation design to make it have enough heat dissipation efficiency to guarantee the normal operation of motor, water-cooled motor has very high heat dissipation efficiency and is widely used;The heat dissipation water channel of water-cooled motor usually adopts S type structure or spiral structure, to make water flow more effectively take away most heat when designing.

[0003] Taking conventional S type water channel as an example, cooling water in the prior art enters motor cooling water channel through water inlet, most of water flow flows away along the middle of water channel, a small part flows along edge, but flow rate is obviously lower than middle part, this forms cooling form mainly with middle laminar flow and a small amount of turbulent flow at edge, and the heat carried after passing through motor body makes water temperature be heated very high, temperature difference between cooling water and motor becomes small, so that heat dissipation efficiency gradually reduces, and the overall heat dissipation efficiency of motor is reduced, so the heat dissipation effect of this cooling water channel is not ideal for large power motor. SUMMARY

[0004] The utility model discloses a kind of motor double-section turbulent cooling water channel, to solve the problem raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of motor double-section turbulent cooling water channel, including the end cap of installation in the upper and lower ends of motor shell, further include the water channel partition ring of installation in the outer surface of motor shell, the upper and lower two side surfaces of water channel partition ring are all installed with water channel partition, the surface of motor shell is located in the upper and lower two sides of water channel partition ring and is located in the side of water channel partition and is all set with water outlet, the surface of motor shell is located in the upper and lower two sides of water channel partition ring and is located in the side of water channel partition and is all set with water outlet, the upper and lower two side surfaces of water channel partition ring are located in the two sides of water channel partition and the side surface of end cap close to water channel partition ring and are all installed with multiple straight flow plates;The outer surface of motor shell is located between water channel partition and straight flow plate and between adjacent two straight flow plates and is all set with multiple water guide fins.

[0007] As a further scheme of the utility model: the water fin main body, the left and right two sides inside of water fin main body are all set with water hole.

[0008] As a further scheme of the utility model: the water channel partition is installed on the outer surface of motor shell, and one end of water channel partition is connected to end cap, and the straight flow plate is installed on the outer surface of motor shell.

[0009] As a further scheme of the utility model: the water wing main body is symmetrical L type column, the surface of water wing main body close to the tip is opposite to the water inlet, and the surface of water wing main body far from the tip is opposite to the water outlet.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] 1, the utility model discloses a water channel partition ring is in the vertical direction and is divided into two sections with the circumferential water channel partition, and the cooling water inlet and outlet are increased to two pairs, thereby the path length of water flow is reduced, the temperature of water outlet is reduced, the temperature difference between cooling water and motor is always kept in a larger range, and the heat dissipation efficiency is improved.

[0012] 2, the utility model discloses a guide water wing, and the guide water wing is dispersed to form turbulent flow along the edge two sides, and simultaneously, the water inlet forms laminar flow in the water channel through two water holes on the water wing main body, so that cooling water is fully scattered in the water channel, on the one hand, the heat dissipation area is increased through the guide water wing, on the other hand, cooling water is fully contacted with the heat dissipation surface, and the cold water and heated cooling water are mixed in turbulent flow, so that the heat exchange speed of cooling water body itself is greatly improved, and the overall heat dissipation efficiency of motor is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a kind of motor double section turbulent flow cooling water channel structure schematic diagram;

[0014] Figure 2 It is a kind of motor double section turbulent flow cooling water channel structure schematic diagram;

[0015] Figure 3 It is the structure schematic diagram of prior art motor cooling water channel.

[0016] In the drawing: 1, water channel partition ring;2, end cover;3, motor shell;4, water channel partition;5, water inlet;6, water outlet;7, along the flow plate;8, guide water wing;9, water wing main body;10, water hole. DETAILED DESCRIPTION

[0017] Please refer to Figure 1 And Figure 2The utility model discloses an electric machine double -section turbulent flow cooling water channel, including the end cap 2 of installing on the upper and lower both ends of electric machine shell 3, still include the water channel partition ring 1 of installing on the outer surface of electric machine shell 3, the upper and lower both sides surface of water channel partition ring 1 all are installed with water channel baffle 4, water channel baffle 4 installs on the outer surface of electric machine shell 3, and one end of water channel baffle 4 is connected in end cap 2, the surface of electric machine shell 3 is located in the upper and lower both sides of water channel partition ring 1 and is located water channel baffle 4's one side all are set up with the water inlet 5, the surface of electric machine shell 3 is located in the upper and lower both sides of water channel partition ring 1 and is located water channel baffle 4's other side all are set up with the water outlet 6, the upper and lower both sides surface of water channel partition ring 1 is located water channel baffle 4's both sides and the one side surface of end cap 2 close to water channel partition ring 1 all are installed with a plurality of straight -flow plate 7, and straight -flow plate 7 installs on the outer surface of electric machine shell 3;

[0018] Water channel partition ring 1 divides cooling water channel into two sections in the vertical direction along the circumference, reduces the path length of water flow, improves the heat dissipation efficiency; The cooling water enters from the water inlet 5, flows along the straight -flow plate 7 to the right side, and finally is discharged from the water outlet 6 after flowing a circle.

[0019] In Figure 1 and Figure 2 , the outer surface of the electric machine shell 3 is located between the water channel baffle 4 and the straight -flow plate 7 and between the adjacent two straight -flow plates 7, and a plurality of flow guide water fins 8 are arranged therebetween, the flow guide water fin 8 comprises a water fin body 9, the water fin body 9 is a symmetrical L-shaped column, the surface of the water fin body 9 close to the tip is opposite to the water inlet 5, and the surface of the water fin body 9 away from the tip is opposite to the water outlet 6, and water holes 10 are formed in the left and right sides of the water fin body 9;

[0020] The upper end distance of the water fin body 9 is selected according to the width of the water channel, and the included angle is determined according to the width and flow rate of the water channel and other parameters, preferably between 60°-120°, the water fin body 9 disperses the water inlet along the edge of both sides to form turbulent flow, at the same time, the water inlet forms laminar flow in the middle of the water channel through the two water holes 10 on the water fin body 9, the flow guide water fin 8 increases the heat dissipation area and improves the heat dissipation efficiency.

[0021] The working principle of the utility model is that the cooling water is discharged from the water inlet 5, the cooling water passes through the flow guide water fin 8, the water fin body 9 in the flow guide water fin 8 disperses the water inlet along the edge of both sides to form turbulent flow, at the same time, the water inlet forms laminar flow in the middle of the water channel through the two water holes 10 on the water fin body 9, the cooling water flows to the right side along the straight -flow plate 7, and finally is discharged through the water outlet 6 after flowing a circle around the electric machine shell 3.

[0022] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A double-section turbulent cooling water channel for an electric machine, comprising end covers (2) mounted on the upper and lower ends of the electric machine housing (3), characterized in that, It also includes the water channel partition ring (1) installed on the outer surface of the motor shell (3), the upper and lower surfaces of the water channel partition ring (1) are both installed with the water channel partition plate (4), the surface of the motor shell (3) located on the upper and lower sides of the water channel partition ring (1) and on one side of the water channel partition plate (4) is provided with the water inlet (5), the surface of the motor shell (3) located on the upper and lower sides of the water channel partition ring (1) and on the other side of the water channel partition plate (4) is provided with the water outlet (6), the upper and lower surfaces of the water channel partition ring (1) located on the two sides of the water channel partition plate (4) and the side surface of the end cover (2) close to the water channel partition ring (1) are both installed with multiple flow-following plates (7); the outer surface of the motor shell (3) located between the water channel partition plate (4) and the flow-following plate (7) and between the adjacent two flow-following plates (7) is provided with multiple water guide fins (8).

2. A double section turbulent cooling water channel for an electric machine according to claim 1, characterized in that, The water guide fin (8) comprises a water fin body (9), and the left and right inner sides of the water fin body (9) are both provided with water holes (10).

3. A double section turbulent cooling water channel for an electrical machine according to claim 1, characterized in that, The water channel partition plate (4) is installed on the outer surface of the motor shell (3), and one end of the water channel partition plate (4) is connected to the end cover (2), and the flow-following plate (7) is installed on the outer surface of the motor shell (3).

4. A double section turbulent cooling water channel for an electrical machine according to claim 2, characterized in that, The water fin body (9) is a symmetrical L-shaped column, the surface of the water fin body (9) close to the tip is opposite to the water inlet (5), and the surface of the water fin body (9) away from the tip is opposite to the water outlet (6).

Images