Novel water-cooled jacket for water-cooled motor

Abstract

The utility model relates to the technical field of motors, and discloses a novel water-cooled jacket for a water-cooled motor, which comprises a motor shell, a water-cooled jacket shell is arranged on the outer side of the motor shell, a heat exchange cavity is arranged in the water-cooled jacket shell, and the inner wall of the water-cooled jacket shell clings to the outer wall of the motor shell; the water-cooled jacket shell sleeves the motor shell, and the heat exchange cavity arranged in the water-cooled jacket shell is in contact with the motor shell, so that heat exchange between the motor and the water-cooled jacket shell is realized, and rapid cooling of the motor is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor technical field especially relates to a novel water cooling jacket for water cooling motor. BACKGROUND

[0002] A large amount of heat is generated in the motor during operation, and if the heat is not dissipated in time, the motor stator winding will be damaged, and the cooling method used in the current motor is mostly air cooling, and a ventilation hole is usually formed in the end of the shell to make cold air enter the motor shell to cool the motor, in order to improve the cooling effect, the heat dissipation hole is usually large, so some large particles can enter the motor shell through the heat dissipation hole during the cooling process, which can easily cause damage to the motor or other safety hazards, and therefore needs to be improved. SUMMARY

[0003] The utility model discloses a novel water cooling jacket for water cooling motor, which aims to provide a water cooling jacket for motor.

[0004] To achieve the above-mentioned purpose, the utility model provides a novel water cooling jacket for water cooling motor, which comprises a motor shell, a water cooling jacket shell is arranged on the outer side of the motor shell, a heat exchange cavity is arranged in the water cooling jacket shell, and the inner wall of the water cooling jacket shell is tightly attached to the outer wall of the motor shell.

[0005] Specifically, the water cooling jacket shell comprises a water inlet part, a heat exchange part and a water outlet part, the water inlet part and the water outlet part are respectively located at both ends of the heat exchange part, the thickness of the water inlet part and the water outlet part is greater than the thickness of the heat exchange part, and the thickness of the water inlet part is the same as that of the water outlet part.

[0006] Specifically, a water inlet is arranged on the water inlet part, a water outlet is arranged on the water outlet part, the water inlet and the water outlet are both in L shape, and the water inlet and the water outlet are not located on the same plane.

[0007] Specifically, the middle part of the water cooling jacket shell is hollow to form a connecting hole, and the water cooling jacket shell is connected with the motor shell through the connecting hole.

[0008] Specifically, a spiral water channel is arranged in the heat exchange cavity and surrounds the axial direction.

[0009] Specifically, the water inlet part and the water outlet part are both provided with a sealing ring, and the sealing ring is attached to the inner wall of the motor shell.

[0010] Specifically, the inner wall of the water inlet part and the inner wall of the water outlet part are both provided with a sealing groove corresponding to the sealing ring, and the sealing ring is arranged in the sealing groove. The utility model technical scheme is characterized in that the water cooling jacket shell is arranged on the motor shell, the heat exchange cavity arranged in the water cooling jacket shell is in contact with the motor shell, thereby realizing heat exchange between the motor and the water cooling jacket shell, and realizing rapid cooling of the motor. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is a three-dimensional structure schematic view of the utility model.

[0012] Fig. 2 It is a disassembled state schematic view of the utility model.

[0013] Fig. 3 It is a sectional view of the utility model.

[0014] The reference signs include: 10, motor shell;20, water cooling jacket;21, water inlet part;22, heat exchange part;23, water outlet part;24, water inlet;25, water outlet;26, connecting hole;27, heat exchange cavity. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0016] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly.

[0017] In addition, if the embodiments of the utility model involve the description of "first" or "second", etc., the description of "first" or "second" is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features with "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art. When the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist and is not within the protection scope required by the utility model.

[0018] As Figs. 1 to 3As shown, a new water cooling jacket for water-cooled motor includes a motor shell 10, the outer side of the motor shell 10 is provided with a water cooling jacket shell 20, the water cooling jacket shell 20 is provided with a heat exchange cavity 27, and the inner wall of the water cooling jacket shell 20 is in close contact with the outer wall of the motor shell 10. By sleeving the water cooling jacket shell 20 on the motor shell 10, the heat exchange cavity 27 provided in the water cooling jacket shell 20 is in contact with the motor shell 10, thereby realizing heat exchange between the motor and the water cooling jacket shell 20, and thereby realizing rapid cooling of the motor.

[0019] The water cooling jacket shell includes a water inlet portion 21, a heat exchange portion 22, and a water outlet portion 23, the water inlet portion 21 and the water outlet portion 23 are respectively located at both ends of the heat exchange portion 22, the thickness of the water inlet portion 21 and the water outlet portion 23 is greater than the thickness of the heat exchange portion 22, and the thickness of the water inlet portion 21 and the water outlet portion 23 is the same. In this embodiment, the water inlet portion 21 and the water outlet portion 23 are provided on the water cooling jacket shell to facilitate the cooling liquid to enter the heat exchange portion 22 through the water inlet portion 21, and then flow out through the water outlet portion 23 after the cooling liquid exchanges heat with the motor in the heat exchange cavity 27. Through the circulating flow of the cooling liquid, rapid cooling of the motor is realized, and water cooling heat dissipation is realized. In this embodiment, the thickness of the water inlet portion 21 and the water outlet portion 23 is greater than the thickness of the heat exchange portion 22, thereby facilitating to improve the pressure stability of the water cooling jacket shell, so as to cope with the pressure and temperature difference changes when the cooling liquid enters and flows out of the heat exchange cavity 27, improve the stability of the cooling liquid flow, and thereby improve the cooling efficiency of the water cooling jacket shell.

[0020] The water inlet portion 21 is provided with a water inlet 24, and the water outlet portion 23 is provided with a water outlet 25, the water inlet 24 and the water outlet 25 are both L-shaped, and the water inlet 24 and the water outlet 25 are not located on the same plane. In this embodiment, the water inlet 24 and the water outlet 25 are provided to facilitate connection with the external water pipe, thereby facilitating the circulating flow of the cooling liquid.

[0021] The middle part of the water cooling jacket shell 20 is hollow to form a connecting hole 26, and the water cooling jacket shell 20 is connected with the motor shell 10 through the connecting hole 26. In this embodiment, the connecting hole 26 is provided in the middle part of the water cooling jacket shell 20 to facilitate the quick connection of the water cooling jacket shell 20 with the external motor through the connecting hole 26, thereby realizing quick assembly.

[0022] The heat exchange cavity 27 is provided with a spiral water channel arranged along the axial direction. In this embodiment, the spiral water channel is provided in the heat exchange cavity 27, thereby facilitating the movement of the cooling liquid in the heat exchange cavity 27 along the spiral water channel, thereby facilitating to improve the heat exchange efficiency of the cooling liquid in the heat exchange cavity 27.

[0023] The water inlet part 21 and the water outlet part 23 are provided with sealing rings, which are attached to the inner wall of the motor shell 10; the inner wall of the water inlet part 21 and the inner wall of the water outlet part 23 are provided with sealing grooves corresponding to the sealing rings, and the sealing rings are arranged in the sealing grooves. In the embodiment, the sealing rings are arranged to improve the connection stability of the water cooling jacket and the motor shell 10, and to avoid separation of the water cooling jacket and the motor shell 10 during use. The above is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation, direct / indirect application in other related technical fields under the utility model concept of the utility model, or the contents of the utility model specification and the drawings are included in the patent protection range of the utility model.

Claims

1. A new water cooling jacket for water cooled electric machines, comprising an electric machine housing, characterized in that: The outer side of the motor shell is provided with a water cooling jacket, the water cooling jacket is provided with a heat exchange cavity, the inner wall of the water cooling jacket is close to the outer wall of the motor shell, the water cooling jacket comprises a water inlet part, a heat exchange part and a water outlet part, the water inlet part and the water outlet part are respectively located at two ends of the heat exchange part, the thickness of the water inlet part and the water outlet part is greater than the thickness of the heat exchange part, and the thickness of the water inlet part is the same as that of the water outlet part.

2. A water cooling jacket for water cooled electric machines according to claim 1, characterized in that: The water inlet part is provided with a water inlet, and the water outlet part is provided with a water outlet, the water inlet and the water outlet are both L-shaped, and the water inlet and the water outlet are not located on the same plane.

3. A novel water cooling jacket for water cooled electric machines as claimed in claim 1, wherein: The middle part of the water cooling jacket is hollow to form a connecting hole, and the water cooling jacket is connected with the motor shell through the connecting hole.

4. A novel water cooling jacket for water cooled electric machines as claimed in claim 1, wherein: The heat exchange cavity is provided with a spiral water channel arranged along the axial direction.

5. A novel water cooling jacket for water cooled electric machines as claimed in claim 1, wherein: The water inlet part and the water outlet part are both provided with a sealing ring, and the sealing ring is close to the inner wall of the motor shell.

6. A water jacket for water cooled electric machines according to claim 5, characterized in that: The inner wall of the water inlet part and the inner wall of the water outlet part are both provided with a sealing groove corresponding to the sealing ring, and the sealing ring is arranged in the sealing groove.

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