CN221240216U - Hydrojet pipe, motor and vehicle - Google Patents

Abstract

The application discloses a liquid spraying pipe, a motor and a vehicle. The liquid spraying pipe is used for a motor and comprises a wall part, a first liquid inlet and a jet hole group, and the wall part is enclosed to form a first liquid path; the first liquid inlet penetrates through at least part of the wall part and is communicated with the first liquid path, and the jet hole group comprises a plurality of liquid spraying holes which are arranged at intervals in a preset direction, wherein the liquid spraying holes penetrate through at least part of the wall part and are communicated with the first liquid path, and the penetrating directions of the liquid spraying holes in the jet hole group are intersected; wherein the liquid spraying pipe is at least partially arranged around a virtual axis extending along a preset direction. The liquid spraying pipe provided by the application can better promote the cooling efficiency of the motor.

Description

Hydrojet pipe, motor and vehicle

Technical Field

The application belongs to the technical field of motors, and particularly relates to a liquid spraying pipe, a motor and a vehicle.

Background

With the continuous development of motor technology, the motor power density is higher and higher, the motor structure is also more and more compact, and simultaneously, the development also puts higher demands on the cooling capacity of the motor. In the related art, the cooling mode of the motor is mainly air cooling and liquid cooling. In the liquid cooling technology, the cooling liquid with good insulating property can be selected to improve the reliability of liquid cooling, so that the cooling liquid can directly contact with the heating part in the motor, and a good cooling effect is achieved.

But the liquid path structure for spraying cooling liquid to the heating part in the motor is often complicated, the liquid path structure can be formed by surrounding at least two parts, the spraying efficiency of the cooling liquid is low, the cooling liquid can not be uniformly and accurately sprayed to the heating part of the motor, and the cooling efficiency of the motor is low.

Disclosure of utility model

The embodiment of the application provides a liquid spraying pipe, a motor and a vehicle, and aims to improve the cooling efficiency of the motor.

In a first aspect, an embodiment of the present application provides a liquid spray pipe, where the liquid spray pipe is used for a motor, the liquid spray pipe includes a wall portion, a first liquid inlet hole and an injection hole group, and the wall portion encloses to form a first liquid path; the first liquid inlet penetrates through at least part of the wall part and is communicated with the first liquid path, and the jet hole group comprises a plurality of liquid spraying holes which are arranged at intervals in a preset direction, wherein the liquid spraying holes penetrate through at least part of the wall part and are communicated with the first liquid path, and the penetrating directions of the liquid spraying holes in the jet hole group are intersected; wherein the liquid spraying pipe is at least partially arranged around a virtual axis extending along a preset direction.

According to an embodiment of the first aspect of the present application, the liquid spraying pipe includes a plurality of liquid spraying sub-pipes arranged at intervals in a preset direction, wherein a plurality of liquid spraying holes of a single spray hole group are respectively arranged in each liquid spraying sub-pipe; and/or at least part of the liquid spraying sub-pipes are provided with jet hole groups.

According to any of the foregoing embodiments of the first aspect of the present application, the liquid ejecting pipe further includes a connection pipe, and the first liquid paths of the adjacent liquid ejecting sub-pipes are communicated through the connection pipe.

According to any one of the foregoing embodiments of the first aspect of the present application, the connection pipe includes a connection wall and a connection liquid path defined by the connection wall, and a plurality of liquid spraying sub-holes are provided on the connection pipe at intervals in a predetermined direction, and penetrate at least part of the connection wall and communicate with the connection liquid path.

According to any of the foregoing embodiments of the first aspect of the present application, the number of injection hole groups is plural, the plural injection hole groups being disposed at least partially around the virtual axis.

According to any one of the foregoing embodiments of the first aspect of the present application, in one ejection hole group, the intersection point of a plurality of extension lines extending in the penetrating direction of each of the liquid ejection holes is located on a side of the ejection hole group facing away from the virtual axis; or, in one ejection hole group, the intersection point of a plurality of extension lines extending in the penetrating direction of each ejection hole is located on the side of the ejection hole group toward the virtual axis.

In a second aspect, an embodiment of the present application provides a motor, where the motor includes a housing, a winding, and a liquid spraying tube in any of the foregoing embodiments of the first aspect, and the winding is disposed in the housing; at least part of the penetrating direction of the liquid spraying hole points to the winding.

According to an embodiment of the second aspect of the present application, the motor further includes a second liquid inlet hole and a second liquid path, which are disposed in the housing, and the second liquid path communicates the second liquid inlet hole with the first liquid inlet hole, wherein the second liquid inlet hole is disposed on one side of the housing in the radial direction of the virtual axis, and/or the second liquid inlet hole is disposed on one side of the housing in the preset direction.

According to any of the foregoing embodiments of the second aspect of the present application, at least part of the liquid jet pipe is disposed around the winding, and/or at least part of the liquid jet pipe is disposed on at least one side of the winding in a predetermined direction.

In a third aspect, an embodiment of the present application provides a vehicle comprising an electric machine according to any of the embodiments of the second aspect.

The embodiment of the application provides a liquid spraying pipe for a motor, which comprises a wall part, a first liquid inlet and a spray hole group. The first feed liquor hole runs through at least part wall portion setting and communicates first liquid way for be used for refrigerated coolant liquid in the motor can get into to first liquid way in order to circulate in first liquid way from first feed liquor hole, enclose by wall portion through setting up first liquid and close and form, make hydrojet pipe self can have the liquid way structure that is used for circulating coolant liquid, be used for circulating coolant liquid's liquid way structure and need not to enclose jointly by hydrojet pipe and other parts and form, for example, be used for circulating coolant liquid's liquid way structure need not to enclose jointly by hydrojet pipe and the casing of motor and form, thereby the assembly degree of difficulty of reduction motor that can be better, promote the assembly efficiency of motor that can be better.

The jet hole group comprises a plurality of jet holes which are arranged at intervals in a preset direction, and the jet holes penetrate through at least part of the wall part and are communicated with the first liquid path, so that cooling liquid flowing in the first liquid path can pass through a heating part in the motor of the jet Kong Penru so as to realize cooling work of the cooling liquid on the motor. The spray pipe is arranged at least partially around a virtual axis extending along a preset direction, so that the spray pipe can better encircle a heating part in the motor, through arranging the intersecting directions of all spray holes in the spray hole group, cooling liquid can be sprayed to the heating part of the motor from all spray holes in the spray hole group at different angles, the spraying angle of the cooling liquid can be adjusted through reasonably arranging the difference of the intersecting directions of all spray holes in the spray hole group, so that the cooling liquid can be sprayed to a larger range of surface on the heating part more uniformly, or the cooling liquid can be sprayed to a certain local target surface on the heating part more intensively, namely, the spray pipe provided by the application can cool the heating part more uniformly or cool a certain local target surface on the heating part more intensively according to the specific heating condition of the heating part in the motor, so that the cooling efficiency of the motor can be better improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.

FIG. 1 is a schematic diagram of a liquid jet tube according to some embodiments of the present application;

FIG. 2 is a schematic view showing a liquid spraying pipe according to other embodiments of the present application;

FIG. 3 is a schematic cross-sectional view of an electric motor according to some embodiments of the present application;

FIG. 4 is a schematic view of a partial cross-sectional structure of an electric motor according to some embodiments of the present application;

FIG. 5 is a schematic cross-sectional view of a motor according to other embodiments of the present application;

FIG. 6 is a schematic view of a partial cross-sectional structure of a motor according to other embodiments of the present application;

fig. 7 is a schematic view of a partial cross-sectional structure of a motor according to still other embodiments of the present application.

Reference numerals illustrate:

1-a motor;

10-spraying liquid pipe; 11-spraying liquid sub-tubes; 12-connecting pipes; 12 a-connecting walls; 12 b-spraying sub-holes; 12 c-connecting the liquid paths;

101-wall portion; 101 a-a first liquid inlet; 102-a first liquid path; 103-an injection hole group; 103 a-a liquid spraying hole;

20-a housing; 21-a second liquid inlet hole; 22-a second liquid path;

30-winding;

X-a preset direction;

A-virtual axis.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The directional terms appearing in the following description are all directions shown in the drawings and do not limit the specific structure of the embodiment of the present application. In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected. The specific meaning of the above terms in the present application can be understood as appropriate by those of ordinary skill in the art.

For a better understanding of the present application, the liquid ejecting tube, the motor and the vehicle according to the embodiments of the present application will be described in detail with reference to the accompanying drawings.

Fig. 1 is a schematic diagram of a liquid jet pipe 10 according to some embodiments of the present application.

As shown in fig. 1, an embodiment of the present application provides a liquid spraying tube 10, where the liquid spraying tube 10 is used for a motor 1, the liquid spraying tube 10 includes a wall portion 101, a first liquid inlet 101a and an injection hole group 103, and the wall portion 101 encloses to form a first liquid path 102; a first liquid inlet 101a penetrating at least part of the wall 101 and communicating with the first liquid path 102, and an injection hole group 103 including a plurality of liquid injection holes 103a arranged at intervals in a preset direction X, the liquid injection holes 103a penetrating at least part of the wall 101 and communicating with the first liquid path 102, the penetrating directions of the liquid injection holes 103a in the injection hole group 103 intersecting; wherein the liquid jet pipe 10 is at least partially disposed around a virtual axis a extending along a preset direction X.

The embodiment of the application provides a liquid spraying pipe 10 for a motor 1, which comprises a wall part 101, a first liquid inlet 101a and an injection hole group 103. The first liquid inlet hole 101a penetrates through at least part of the wall portion 101 and is communicated with the first liquid path 102, so that cooling liquid for cooling in the motor 1 can enter the first liquid path 102 from the first liquid inlet hole 101a to circulate in the first liquid path 102, the wall portion 101 is surrounded by the first liquid path 102, the liquid spraying pipe 10 can have a liquid path structure for circulating cooling liquid, namely, the liquid path structure for circulating cooling liquid does not need to be surrounded by the liquid spraying pipe 10 and other components, for example, the liquid path structure for circulating cooling liquid does not need to be surrounded by the liquid spraying pipe 10 and the shell 20 of the motor 1, so that the assembly difficulty of the motor 1 can be well reduced, and the assembly efficiency of the motor 1 can be well improved.

The injection hole group 103 includes a plurality of injection holes 103a arranged at intervals in the preset direction X, the injection holes 103a penetrating at least part of the wall portion 101 and communicating with the first liquid path 102, so that the cooling liquid flowing in the first liquid path 102 can be injected into the heat generating portion in the motor 1 through the injection holes 103a to realize the cooling operation of the cooling liquid on the motor 1. The spray pipe 10 is at least partially arranged around a virtual axis A extending along a preset direction X, so that the spray pipe 10 can better encircle a heating part in the motor 1, through arranging the intersecting directions of all spray holes 103a in the spray hole group 103, cooling liquid can be sprayed to the heating part of the motor 1 from all spray holes 103a in the spray hole group 103 at different angles, and through reasonably arranging the differences of the intersecting directions of all spray holes 103a in the spray hole group 103, the spraying angle of the cooling liquid can be adjusted, so that the cooling liquid can be sprayed to a larger range of surface on the heating part more uniformly, or the cooling liquid can be sprayed to a certain local target surface on the heating part more intensively, namely, the spray pipe 10 provided by the application can cool the heating part more uniformly or the certain local target surface on the heating part more intensively according to the specific heating condition of the heating part in the motor 1, so that the cooling efficiency of the motor 1 can be better improved.

In some embodiments of the present application, the types of cooling liquid that can circulate in the liquid ejecting pipe 10 and be ejected from the liquid ejecting hole 103a to cool the heat generating portion of the motor 1 are various. Alternatively, the cooling liquid may refer to a liquid having a good insulation property so that the cooling liquid can be directly sprayed from the spray hole 103a to and in contact with the heat generating portion in the motor 1, for example, the cooling liquid may refer to cooling oil, i.e., the cooling manner in the motor 1 may be oil-cooled, so as to enhance the cooling reliability of the cooling liquid, thereby achieving a good cooling effect.

In some embodiments of the application, the heat generating portion of the motor 1 may refer to any one of the components of the motor 1 that has a higher heat during operation. For example, the heat generating portion of the motor 1 may refer to the windings 30 of the motor 1. Alternatively, the liquid spraying tube 10 may be arranged in various manners in a surrounding shape, and the liquid spraying tube 10 may be arranged in a surrounding shape according to the shape of the heat generating portion, for example, when the heat generating portion of the motor 1 is the winding 30 of the motor 1, the surrounding shape of the liquid spraying tube 10 may be arc-shaped.

Alternatively, the cross-sectional shape of the first liquid path 102 formed by enclosing the wall portion 101 may be provided in various manners, for example, the cross-sectional shape of the first liquid path 102 formed by enclosing the wall portion 101 may be circular, elliptical, polygonal, irregular, or the like.

Alternatively, the liquid ejection hole 103a is provided to penetrate at least part of the wall portion 101, which may mean that the liquid ejection hole 103a is provided to penetrate only a single layer of the wall portion 101 on the side of the first liquid path 102 in the penetrating direction of a certain liquid ejection hole 103a, that is, the liquid ejection hole 103a is located only on one side of the first liquid path 102 in the penetrating direction of a certain liquid ejection hole 103 a.

Alternatively, the liquid ejection holes 103a may be arranged in various ways along a straight path or a curved path, and the liquid ejection holes 103a may be arranged through the wall portion 101, and for convenience of description, the later-described embodiment is arranged with the liquid ejection holes 103a extending along a straight path and penetrating through the wall portion 101. Alternatively, the penetrating direction of the liquid ejection hole 103a may refer to the extending track direction of the liquid ejection hole 103a, for example, the penetrating direction of the liquid ejection hole 103a may refer to a direction from the liquid ejection hole 103a toward the opening on the side of the first liquid path 102 toward the opening on the side of the liquid ejection hole 103a away from the first liquid path 102.

In some embodiments of the present application, the liquid spraying holes 103a may be located on the side of the first liquid path 102 facing the virtual axis a, so that when the liquid spraying pipe 10 cools the heat generating portion in the motor 1, the heat generating portion may be disposed at the virtual axis a, so that the cooling liquid may be better sprayed from the liquid spraying hole 103a to the heat generating portion, and the cooling liquid sprayed from the liquid spraying pipe 10 may be better contacted with the heat generating portion.

Optionally, the number of the injection hole groups 103 is plural, and the plurality of injection hole groups 103 are disposed at least partially around the virtual axis a, so that the cooling liquid can be injected from the injection holes 103a around the virtual axis a, thereby cooling the heat generating portion in the motor 1 at different angles in the circumferential direction of the virtual axis a to improve the cooling efficiency of the motor 1.

In some embodiments of the present application, the intersecting directions of the respective liquid ejection holes 103a in the ejection hole group 103 may refer to the intersecting of a plurality of extension lines extending in the intersecting directions of the respective liquid ejection holes 103a in one ejection hole group 103.

In some alternative embodiments, in one injection hole group 103, the intersection points of the extension lines extending along the penetrating direction of each injection hole 103a may be located at one side of the injection hole group 103 away from the virtual axis a, so that the cooling liquid sprayed from each injection hole 103a of the injection hole group 103 is in a divergent shape, that is, the cooling liquid sprayed from each injection hole 103a of the injection hole group 103 is gradually far away from each other, so that the cooling liquid sprayed from the injection hole group 103 can contact with a larger area of the heat generating part in the motor 1, and thus the cooling uniformity of the cooling liquid on the heat generating part can be better improved.

In other alternative embodiments, in one spray hole group 103, the intersection point of multiple extension lines extending along the penetrating direction of each spray hole 103a may be located on the side of the spray hole group 103 facing the virtual axis a, so that the cooling liquid sprayed from each spray hole 103a of the spray hole group 103 is in a convergent shape, that is, the cooling liquid sprayed from each spray hole 103a of the spray hole group 103 gradually approaches each other, so that the cooling liquid sprayed from the spray hole group 103 can be more concentrated to contact with a certain local target surface on the heating portion, and thus the cooling pertinence of the cooling liquid on a certain local target surface on the heating portion can be better improved. Alternatively, the target surface may be a local surface having a higher heat on the heat generating portion of the motor 1 when in operation.

Fig. 2 is a schematic view of a liquid jet pipe 10 according to other embodiments of the present application.

As shown in fig. 2, alternatively, the spray tube 10 includes a plurality of spray sub-tubes 11 arranged at intervals in a preset direction X, wherein a plurality of spray holes 103a of a single spray hole group 103 are respectively arranged on each spray sub-tube 11, that is, the spray holes 103a which are respectively arranged on each spray sub-tube 11 at intervals in the preset direction X can form a complete spray hole group 103 to cool the motor 1; and/or, at least part of the spray sub-tubes 11 are provided with spray holes 103, i.e. the spray sub-tubes 11 may be provided with complete spray holes 103 for cooling the motor 1. For convenience of description, the latter embodiment will be described taking an example in which a plurality of liquid ejection holes 103a of a single ejection hole group 103 are provided separately to the respective liquid ejection sub-tubes 11.

Alternatively, each liquid spraying sub-pipe 11 may have a wall portion 101 and a first liquid path 102 surrounded by the wall portion 101, that is, the cooling liquid may circulate in the first liquid path 102 of each liquid spraying sub-pipe 11 and be sprayed out through the liquid spraying hole 103a of each liquid spraying sub-pipe 11, so as to realize cooling of the motor 1.

In these alternative embodiments, by providing a plurality of liquid spraying sub-tubes 11 arranged at intervals in the preset direction X, the cooling liquid sprayed from the spraying holes of each liquid spraying sub-tube 11 can have a better cooling range in the preset direction X, so that the liquid spraying tube 10 can better cool the heat generating part of the motor 1 in the preset direction X, thereby further improving the cooling efficiency of the motor 1.

Alternatively, the spray wand 11 may be disposed at least partially around the virtual axis A. Alternatively, the liquid spraying sub-tube 11 may be arranged in various manners in a surrounding shape, and the surrounding shape of the liquid spraying sub-tube 11 may be arranged according to the shape of the heat generating portion, for example, when the heat generating portion of the motor 1 is the winding 30 of the motor 1, the surrounding shape of the liquid spraying sub-tube 11 may be arc-shaped. Alternatively, when the circumferentially extending shape of the liquid ejection sub-tubes 11 is in the shape of an arc, the diameter of each liquid ejection sub-tube 11 around the virtual axis a may be set according to the shape of the heat generating portion, for example, the diameter of each liquid ejection sub-tube 11 around the virtual axis a may be the same, or for example, the diameter of each liquid ejection sub-tube 11 around the virtual axis a may be different.

As shown in fig. 2, in some alternative embodiments, the liquid spraying pipe 10 further includes a connection pipe 12, and the first liquid paths 102 of the adjacent liquid spraying sub-pipes 11 are communicated through the connection pipe 12, so that the first oil inlet hole may be provided on only one of the liquid spraying sub-pipes 11 of the liquid spraying pipe 10, so that the cooling liquid entering from the first oil inlet hole may flow into the first liquid paths 102 of the respective liquid spraying sub-pipes 11 under the communication of the connection pipe 12, so that the cooling liquid may be sprayed out from the liquid spraying holes 103a of the respective liquid spraying sub-pipes 11.

Alternatively, the connection pipe 12 may be formed to extend in the preset direction X so as to communicate the first liquid paths 102 of the plurality of liquid spraying sub-pipes 11 disposed at intervals in the preset direction X in a short path.

Optionally, the connecting pipe 12 includes a connecting wall 12a and a connecting liquid path 12c formed by enclosing the connecting wall 12a, a plurality of liquid spraying sub-holes 12b are formed in the connecting pipe 12 at intervals in a preset direction X, and the liquid spraying sub-holes 12b penetrate at least part of the connecting wall 12a and are communicated with the connecting liquid path 12c, so that when the cooling liquid circulates in the connecting liquid path 12c, the cooling liquid can be sprayed out of the liquid spraying sub-holes 12b to cool the motor 1, thereby further improving the cooling range of the cooling liquid in the preset direction X, and enabling the liquid spraying pipe 10 to better cool the heating part of the motor 1 in the preset direction X, so as to further improve the cooling efficiency of the motor 1.

Fig. 3 is a schematic cross-sectional view of a motor 1 according to some embodiments of the present application, and fig. 4 is a schematic partial cross-sectional view of the motor 1 according to some embodiments of the present application.

As shown in fig. 3 and 4, according to some embodiments of the present application, there is further provided a motor 1, where the motor 1 includes a housing 20, a winding 30, and the liquid spraying tube 10 in any of the foregoing embodiments, and the winding 30 is disposed in the housing 20; at least part of the penetrating direction of the liquid ejection hole 103a is directed toward the winding 30.

In some embodiments of the present application, the heat generating portion in the motor 1 may include the winding 30, and by providing at least part of the penetrating direction of the liquid spraying hole 103a to be directed to the winding 30, the cooling liquid sprayed from the liquid spraying hole 103a may cool the winding 30 better.

As shown in fig. 3 and 4, alternatively, in one spray hole group 103, the intersection points of multiple extension lines extending along the penetrating direction of each spray hole 103a may be located at one side of the spray hole group 103 away from the winding 30, so that the cooling liquid sprayed from each spray hole 103a of the spray hole group 103 is in a divergent shape, that is, the cooling liquid sprayed from each spray hole 103a of the spray hole group 103 is gradually far away from each other, so that the cooling liquid sprayed from the spray hole group 103 can contact with the winding 30 with a larger area, and thus the cooling uniformity of the cooling liquid on the winding 30 can be better improved.

Fig. 5 is a schematic sectional view of a motor 1 according to another embodiment of the present application, and fig. 6 is a schematic sectional view of a motor 1 according to another embodiment of the present application.

Alternatively, as shown in fig. 5 and 6, in one spray hole group 103, the intersection points of multiple extension lines extending along the penetrating direction of each spray hole 103a may be located at one side of the spray hole group 103 facing the winding 30, so that the cooling liquid sprayed from each spray hole 103a of the spray hole group 103 is in a convergent shape, that is, the cooling liquid sprayed from each spray hole 103a of the spray hole group 103 gradually approaches each other, so that the cooling liquid sprayed from the spray hole group 103 can be more concentrated to contact with a certain local target surface on the winding 30, and thus the cooling pertinence of the cooling liquid to the certain local target surface on the winding 30 can be better improved. Alternatively, the target surface may be a localized surface of higher heat on the winding 30 when the winding 30 is in operation.

In some alternative embodiments, the motor 1 further includes a second liquid inlet 21 and a second liquid path 22 disposed in the housing 20, where the second liquid path 22 communicates the second liquid inlet 21 with the first liquid inlet 101a, and the cooling liquid may enter the second liquid path 22 from the second liquid inlet 21 and flow into the first liquid inlet 101a through the second liquid path 22 to enter the first liquid path 102 of the liquid spraying tube 10.

The second liquid inlet 21 is arranged in various ways, and the second liquid inlet 21 can be arranged according to the liquid inlet of the cooling liquid. Optionally, the second liquid inlet 21 is disposed on a side of the housing 20 in a radial direction of the virtual axis a, so that the liquid inlet mode of the cooling liquid of the motor 1 may be radial liquid inlet, i.e. the cooling liquid may be input into the second liquid inlet 21 from a side of the motor 1 in a radial direction of the virtual axis a, and/or, optionally, the second liquid inlet 21 is disposed on a side of the housing 20 in a preset direction X, so that the liquid inlet mode of the cooling liquid of the motor 1 may be end liquid inlet, i.e. the cooling liquid may be input into the second liquid inlet 21 from an end of the motor 1 in the preset direction X.

In some alternative embodiments, the preset direction X may be an axial direction of the winding 30, so that the cooling liquid sprayed from the liquid spraying hole 103a may better perform circumferential cooling on the winding 30, thereby improving cooling efficiency of the motor 1. Optionally, the number of the liquid spraying pipes 10 may be multiple, and the liquid spraying pipes 10 may be separately disposed at two ends of the winding 30 in the preset direction X, so that the liquid spraying pipes 10 may better spray the cooling liquid from two ends of the winding 30 to the winding 30, thereby improving the cooling efficiency of the motor 1.

Fig. 7 is a schematic view of a partial sectional structure of a motor 1 according to still other embodiments of the present application.

As shown in fig. 7, optionally, at least part of the liquid spraying pipe 10 is disposed around the winding 30, so that the cooling liquid sprayed from the liquid spraying hole 103a can better surround the winding 30 and cool the peripheral side surface of the winding 30, thereby improving the cooling efficiency of the motor 1; and/or, optionally, at least part of the liquid spraying pipe 10 is disposed on at least one side of the winding 30 in the preset direction X, so that the cooling liquid sprayed from the liquid spraying hole 103a can better surround the winding 30 and cool the end surface of the winding 30 in the axial direction, thereby improving the cooling efficiency of the motor 1.

According to some embodiments of the application, there is also provided a vehicle comprising the motor 1 of any of the preceding embodiments. Since the vehicle provided by the embodiment of the present application includes the motor 1 of any one of the embodiments, the vehicle provided by the embodiment of the present application has the beneficial effects of the motor 1 of any one of the embodiments, and will not be described herein.

In the foregoing, only the specific embodiments of the present application are described, and it will be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the systems, modules and units described above may refer to the corresponding processes in the foregoing method embodiments, which are not repeated herein. It should be understood that the scope of the present application is not limited thereto, and any equivalent modifications or substitutions can be easily made by those skilled in the art within the technical scope of the present application, and they should be included in the scope of the present application.

Claims (10)

1. A liquid spray tube for a motor, comprising:

A wall portion surrounding a first liquid path;

A first liquid inlet hole penetrating at least part of the wall part and communicated with the first liquid path,

The spray hole group comprises a plurality of spray holes which are arranged at intervals in a preset direction, the spray holes penetrate through at least part of the wall part and are communicated with the first liquid path, and the penetrating directions of the spray holes in the spray hole group are intersected;

wherein the liquid spraying pipe is at least partially arranged around a virtual axis extending along the preset direction.

2. The liquid spraying pipe according to claim 1, wherein the liquid spraying pipe comprises a plurality of liquid spraying sub-pipes which are arranged at intervals in the preset direction,

Wherein, a plurality of liquid spraying holes of a single spray hole group are respectively arranged on each liquid spraying sub-pipe; and/or, at least part of the liquid spraying sub-pipes are provided with the jet hole groups.

3. The spray tube of claim 2, wherein the spray tube further comprises a connecting tube through which the first fluid paths of adjacent spray sub-tubes communicate.

4. The liquid spraying pipe according to claim 3, wherein the connecting pipe comprises a connecting wall and a connecting liquid path formed by encircling the connecting wall, a plurality of liquid spraying sub-holes which are arranged at intervals in the preset direction are arranged on the connecting pipe, and the liquid spraying sub-holes penetrate at least part of the connecting wall and are communicated with the connecting liquid path.

5. The spray tube of any one of claims 1-4, wherein the number of the groups of spray holes is a plurality, the plurality of groups of spray holes being disposed at least partially around the virtual axis.

6. The liquid ejecting tube as claimed in any one of claims 1 to 4, wherein, in one of the ejection hole groups, an intersection point of a plurality of extension lines extending in the penetrating direction of each of the liquid ejecting holes is located on a side of the ejection hole group facing away from the virtual axis;

or, in one of the ejection hole groups, the intersection point of a plurality of extension lines extending in the penetrating direction of each of the ejection holes is located on a side of the ejection hole group toward the virtual axis.

7. An electric machine, comprising:

A housing;

A winding disposed within the housing;

The liquid ejecting tube as claimed in any of claims 1 to 6, wherein at least part of a penetrating direction of the liquid ejecting hole is directed toward the winding.

8. The motor of claim 7, further comprising a second fluid inlet disposed in the housing and a second fluid path, the second fluid path communicating the second fluid inlet with the first fluid inlet,

The second liquid inlet is arranged on one side of the shell in the radial direction of the virtual axis, and/or the second liquid inlet is arranged on one side of the shell in the preset direction.

9. The motor of claim 7, wherein at least a portion of the spray tube is disposed around the winding and/or at least a portion of the spray tube is disposed on at least one side of the winding in the predetermined direction.

10. A vehicle comprising an electric machine as claimed in any one of claims 7 to 9.