Cooling water channel structure, controller and vehicle

Abstract

The utility model discloses a cooling water channel structure, a controller and a vehicle. The cooling water channel structure is used for cooling an electronic module in the controller and comprises a first water channel and a second water channel, the first water channel is used for cooling the first heating component; the second water channel is used for cooling the second heating component and communicates with the first water channel, and the second water channel and the first water channel are stacked in the first direction; the first water channel is provided with a vertical flow channel, and the depth of the vertical flow channel is increased in the first direction to form a cooling face. According to the utility model, the vertical flow channel is arranged, so that the cooling range of the electronic module is expanded, the electronic module can be cooled from a plurality of side surfaces, and the cooling efficiency is obviously improved.

Description

Technical Field

[0001] The utility model generally relates to the technical field of vehicle braking, and more specifically to a cooling water channel structure, a controller and a vehicle. Background Art

[0002] With the development of new energy vehicles, more and more functions are required for electric vehicles, but at the same time, the number of components and the power consumption will also increase. The electric drive system is the core component of new energy vehicles, and its main function is to control the drive motor to provide power for the vehicle. The electric drive system includes the motor controller. When designing and developing new cars, how to dissipate heat for the heat-generating components in the controller, prevent failures, and reduce the subsequent maintenance costs have become the focus of research for various car companies.

[0003] Therefore, it is necessary to provide a cooling water channel structure, a controller and a vehicle to at least partially solve the above problems. Utility Model Content

[0004] A series of simplified concepts are introduced in the utility model content section, which will be further described in detail in the detailed implementation section. The utility model content section of the utility model does not mean to attempt to define the key features and essential technical features of the technical solution claimed for protection, nor does it mean to attempt to determine the scope of protection of the technical solution claimed for protection.

[0005] In order to at least partially solve the above problems, the first aspect of the present invention provides a cooling water channel structure, comprising:

[0006] a first water channel, the first water channel being used to cool a first heat generating component; and

[0007] a second water channel, the second water channel being used to cool a second heat generating component, the second water channel being connected to the first water channel, and the second water channel and the first water channel being stacked along a first direction;

[0008] Wherein, the first water channel is provided with a vertical flow channel, and the vertical flow channel increases in depth along the first direction to form a cooling surface.

[0009] Optionally, it also includes:

[0010] A mounting seat, wherein the first water channel is arranged in the mounting seat, a mounting cavity is arranged at the bottom of the mounting seat, the mounting cavity is used to install the first heat-generating component, and the vertical flow channel is adjacent to the mounting cavity.

[0011] Optionally, it also includes:

[0012] A box body, wherein the mounting seat is arranged in the box body;

[0013] a first pipe, disposed outside the box and connected to the inlet of the first water channel;

[0014] The second pipe is arranged outside the box and connected to the outlet of the second water channel.

[0015] Optionally, the first water channel is provided with at least two vertical flow channels, and the space between the two vertical flow channels can accommodate the first heat-generating component.

[0016] Optionally, the first water channel is further provided with at least one bending portion, the bending portion connecting two adjacent vertical flow channels, and the depth of the bending portion is less than or equal to the depth of the vertical flow channel.

[0017] Optionally, an extended flow channel is provided at the end of the first water channel, and a width of the extended flow channel is greater than a width of other parts of the first water channel in a plane defined by the second direction and the third direction;

[0018] The second direction is perpendicular to the third direction, and the first direction is perpendicular to a plane defined by the second direction and the third direction.

[0019] Optionally, it also includes:

[0020] A diverter column is arranged at the bottom of the expansion channel along the first direction.

[0021] Optionally, it also includes:

[0022] A waterway cover plate is arranged on the top of the mounting seat and covers the top opening of the first waterway, and the second waterway is arranged on the waterway cover plate.

[0023] Optionally, the second water channel includes a plurality of groove-shaped flow channels, the plurality of groove-shaped flow channels are arranged on the water channel cover plate, and the plurality of groove-shaped flow channels are interconnected.

[0024] Optionally, the trough-type flow channel includes a bottom plate and side walls, the side walls surround the bottom plate, and the bottom plate and the side walls are integrally formed on the water channel cover plate.

[0025] Optionally, a partition is provided between the plurality of the groove-shaped flow channels, and the partition is provided with a channel, and the channel is used for passing a coolant.

[0026] Optionally, a water inlet and a water outlet are respectively provided at both ends of the water channel cover plate, the water inlet is used to input coolant into the groove-shaped flow channel, and the water outlet is used to output coolant from the groove-shaped flow channel.

[0027] Optionally, a connection structure is provided on the edge of the groove-shaped flow channel, and the connection structure is used to be fixedly connected to the second heat-generating component arranged on the top of the water channel cover plate.

[0028] Optionally, the mounting base and the box body are an integral piece.

[0029] The second aspect of the utility model provides a controller, including a first heat-generating component and a second heat-generating component, and also including a cooling water channel structure according to any one of the above technical solutions, wherein the first heat-generating component exchanges heat with the first water channel, and the second heat-generating component exchanges heat with the second water channel.

[0030] Optionally, the second heat-generating component covers the top opening of the second water channel, and heat-dissipating fins are provided at the bottom of the second heat-generating component, and the heat-dissipating fins are inserted into the second water channel.

[0031] Optionally, the first heat-generating component is a power module, and / or the second heat-generating component is an IGBT module.

[0032] A third aspect of the present invention provides a vehicle, comprising a controller according to any one of the above technical solutions.

[0033] According to a cooling water channel structure, controller and vehicle of the utility model, vertical flow channels are provided so that the cooling water channels have a variety of three-dimensional structures, the internal space of the controller is effectively utilized, the cooling area is increased, the cooling range of the electronic module is expanded, the electronic module can be cooled from multiple sides, and the cooling efficiency is significantly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] The following drawings of the embodiments of the present invention are used as part of the present invention for understanding the present invention. The drawings show the embodiments of the present invention and their descriptions, and are used to explain the principles of the present invention. In the drawings,

[0035] Figure 1 This is a top view of a controller according to a preferred embodiment of the present utility model, in which a cooling water channel structure can be seen;

[0036] Figure 2 for Figure 1 Sectional view along AA;

[0037] Figure 3 for Figure 1 Sectional view along BB;

[0038] Figure 4 This is a three-dimensional diagram of a controller according to a preferred embodiment of the present utility model, which is a top view and shows the cooling water channel structure;

[0039] Figure 5 This is a three-dimensional diagram of a controller according to a preferred embodiment of the present utility model, which is a bottom perspective, and the electronic device installation cavity can be seen;

[0040] Figure 6 This is a top view of a controller according to a preferred embodiment of the utility model, in which a waterway cover plate can be seen;

[0041] Figure 7 A top view of a waterway cover plate according to a preferred embodiment of the utility model;

[0042] Figure 8 It is a cross-sectional view of a controller according to a preferred embodiment of the utility model, in which an electronic device installation cavity, a water channel cover plate, and an IGBT can be seen;

[0043] Fig. 9 for Figure 8 Enlarged view of the middle C part;

[0044] Fig.10 This is a three-dimensional diagram of a controller according to a preferred embodiment of the present utility model. The figure is a top perspective, and a water channel cover plate and an IGBT can be seen.

[0045] Description of reference numerals:

[0046] 1: Box 2: First tube

[0047] 3: Schematic diagram of water flow direction 4: First power MOS tube installation cavity

[0048] 5: Second power MOS tube installation cavity 6: Inductor installation cavity

[0049] 7: Diversion column 8: Waterway cover

[0050] 9: IGBT power generation module water inlet 10: IGBT power generation module water outlet

[0051] 11: IGBT driver module water inlet 12: IGBT driver module water outlet

[0052] 13: Second tube 14: IGBT power generation module

[0053] 15: IGBT drive module 16: Capacitor installation position

[0054] 17: First flow channel 18: Second flow channel

[0055] 19: Third flow channel 20: Fourth flow channel

[0056] 21: Fifth flow channel 22: Sixth flow channel

[0057] 23: Seventh flow channel 24: Eighth flow channel

[0058] 25: Ninth flow channel 26: Tenth flow channel

[0059] 27: Eleventh channel 28: Schematic line of flow direction of first channel

[0060] 29: Schematic diagram of the flow direction of the second water channel 30: The first heat dissipation cavity

[0061] 31: Schematic line of the third water channel 32: Second heat dissipation cavity

[0062] 33: Schematic line of the fourth waterway flow 34: First bottom plate

[0063] 35: First side wall 36: Spacer

[0064] 37: Second bottom plate 38: Second side wall

[0065] 40: Mounting seat 41: First connecting pipe

[0066] 42: Second connecting pipe 50: Connecting ear

[0067] 60: Heat sink fins DETAILED DESCRIPTION

[0068] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.

[0069] In order to thoroughly understand the utility model, a detailed description will be provided in the following description. It should be understood that these embodiments are provided to make the disclosure of the utility model thorough and complete, and to fully convey the concepts of these exemplary embodiments to those of ordinary skill in the art. Obviously, the implementation of the embodiments of the utility model is not limited to the specific details familiar to those skilled in the art. The preferred embodiments of the utility model are described in detail below, but in addition to these detailed descriptions, the utility model may also have other embodiments.

[0070] Ordinal numbers such as "first" and "second" cited in the present invention are merely identifiers and do not have any other meanings, such as a specific order, etc. Moreover, for example, the term "first component" itself does not imply the existence of the "second component", and the term "second component" itself does not imply the existence of the "first component".

[0071] It should be noted that the terms "upper", "lower", "front", "back", "left", "right", "inside", "outside" and similar expressions used in the present invention are for illustrative purposes only and are not restrictive.

[0072] The utility model discloses a cooling water channel structure, a controller and a vehicle.

[0073] Now, exemplary embodiments according to the present invention will be described in more detail with reference to the accompanying drawings.

[0074] like Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, in a preferred embodiment, a cooling water channel structure is used to cool an electronic module in a controller, comprising: a first water channel and a second water channel;

[0075] The first water channel is used to cool the first heat generating component;

[0076] The second water channel is used to cool the second heat generating component, the second water channel is connected to the first water channel, and the second water channel and the first water channel are stacked along the first direction;

[0077] The first water channel is provided with a vertical flow channel, the vertical flow channel increases in depth along the first direction to form a cooling surface, and the shape of the cooling surface is close to an inverted trapezoid.

[0078] The first direction is the height direction of the controller. The Z-axis direction in the figure is the height direction of the controller, the X-axis direction is the length direction of the controller, and the Y-axis direction is the width direction of the controller.

[0079] like Figure 2 , Figure 3 As shown, the first heat dissipation cavity 30 and the second heat dissipation cavity 32 are both inside the vertical flow channel. In the first heat dissipation cavity 30, the coolant flows along the second water channel in the direction of the schematic line 29, and in the second heat dissipation cavity 32, the coolant flows along the third water channel in the direction of the schematic line 31, and these two directions are opposite.

[0080] The cooling water channel structure in this embodiment has a variety of three-dimensional structures by setting up vertical flow channels, which effectively utilizes the internal space of the controller, increases the cooling area, expands the cooling range of the electronic module, and can cool the electronic module from multiple sides, significantly improving the cooling efficiency.

[0081] The first heat generating component may be a power module, and the second heat generating component may be an IGBT module.

[0082] In this embodiment, the first water channel is located upstream of the second water channel. Along the directions indicated by the first water channel flow schematic line 28, the second water channel flow schematic line 29, the third water channel flow schematic line 31, and the fourth water channel flow schematic line 33, the coolant first enters the first water channel to cool the first heat-generating component, and then flows into the second water channel to cool the second heat-generating component. In this way, the heat dissipation of the power supply heat-generating components can be sequentially dissipated first, preventing the first heat-generating and high-power components from being damaged, thereby reducing the use cost and maintenance cost.

[0083] According to actual needs, the first water channel in this embodiment may also be located downstream of the second water channel, and the coolant is firstly input into the second water channel and then into the first water channel.

[0084] The water channel is designed with two layers, the upper layer is for IGBT module heat dissipation, and the lower layer is for power module heat dissipation. This can save space in the box, improve its utilization rate, and make the controller more compact.

[0085] The upper and lower layers of the water channel design not only dissipate heat for the IGBT module and power module, but also dissipate heat for the capacitors and inductors inside the box, thereby increasing their service life.

[0086] like Figure 4 As shown, the first water channel in this embodiment can be regarded as including the following flow channels:

[0087] The first flow channel 17, the second flow channel 18, the third flow channel 19, the fourth flow channel 20, the fifth flow channel 21, the sixth flow channel 22, the seventh flow channel 23, the eighth flow channel 24, and the ninth flow channel 25. Among them, the fifth flow channel 21 and the eighth flow channel 24 are vertical flow channels.

[0088] like Figure 6 As shown, the second water channel in this embodiment can be regarded as including the following flow channels:

[0089] The tenth flow channel 26 and the eleventh flow channel 27 .

[0090] In one embodiment, if Figure 4 , Figure 5 As shown, the cooling water channel structure also includes:

[0091] The mounting seat 40, the first water channel is arranged in the mounting seat 40, the bottom of the mounting seat 40 is provided with a mounting cavity, the mounting cavity is used to install the first heat-generating component, and the vertical flow channel is adjacent to the mounting cavity.

[0092] The mounting cavity provided at the bottom of the mounting seat 40 in the figure includes:

[0093] The first power MOS tube installation cavity 4, the second power MOS tube installation cavity 5, and the inductor installation cavity 6 are isolated from each other and can be cooled by contacting the first water channel. Among them, the first power MOS tube installation cavity 4 and the second power MOS tube installation cavity 5 are adjacent to the vertical flow channel.

[0094] Accordingly, the first heat generating component may include: a first power MOS tube, a second power MOS tube, an inductor, a capacitor, a transformer and other electronic modules.

[0095] In one embodiment, if Figure 4 , Figure 5 As shown, the cooling water channel structure also includes:

[0096] The box body 1, the mounting seat 40 is arranged in the box body 1, and the box body 1 is also a part of the structure of the controller housing;

[0097] A first pipe 2 is provided on the side of the box body 1 and connected to the inlet of the first water channel. The first pipe 2 is externally connected to the coolant system of the vehicle through a pipeline;

[0098] The second pipe 13 is disposed on the side of the housing 1 and connected to the outlet of the second water channel. The second pipe 13 is externally connected to the coolant system of the vehicle through a pipeline.

[0099] In one embodiment, if Figure 4 , Figure 5 As shown, the first water channel is provided with at least two vertical flow channels, and the space between the two vertical flow channels can accommodate the first heat-generating component.

[0100] In the figure, the fifth flow channel 21 and the eighth flow channel 24 are vertical flow channels, and the first power MOS tube installation cavity 4 is located between the fifth flow channel 21 and the eighth flow channel 24. The first power MOS tube installation cavity 4 can accommodate the first power MOS tube.

[0101] In one embodiment, the first water channel is provided with at least one bending portion, the bending portion connects two adjacent vertical flow channels, and the depth of the bending portion is less than or equal to the depth of the vertical flow channel.

[0102] When the depth of the bent portion is equal to that of the vertical flow channel, the bent portion actually constitutes another vertical flow channel.

[0103] The bending portion in the figure includes a sixth flow channel 22 and a seventh flow channel 23 arranged in parallel, and the sixth flow channel 22 and the seventh flow channel 23 are connected to the fifth flow channel 21 and the eighth flow channel 24 at the same time.

[0104] In one embodiment, if Figure 1 , Figure 4As shown, an extended channel is provided at the end of the first water channel, and the width of the extended channel in a plane defined by the second direction and the third direction (the length and width of the controller) (the XY plane in the figure) is greater than the width of other parts of the first water channel.

[0105] The extended flow channel is the ninth flow channel 25 in the figure. The width of the ninth flow channel 25 is greater than that of other flow channels. The ninth flow channel 25 can cool the electronic module in the XY plane and is used to cool the inductor arranged in the inductor installation cavity 6. By setting the extended flow channel, the first water channel has a variety of three-dimensional structures.

[0106] In one embodiment, if Figure 4 As shown, the cooling water channel structure also includes:

[0107] The flow dividing column 7 is arranged at the bottom of the extended flow channel along the first direction (the Z-axis direction in the figure) (see Fig. 9 ).

[0108] A plurality of diverter columns 7 are arranged inside the extended flow channel. The diverter columns 7 are generally conical. By arranging the diverter columns 7, the speed at which the coolant flows can be slowed down and the cooling effect can be improved.

[0109] In one embodiment, if Figure 6 , Figure 7 , Figure 8 As shown, the cooling water channel structure also includes:

[0110] The waterway cover plate 8 is arranged on the top of the mounting seat 40 and closes the top opening of the first waterway. The second waterway is arranged on the waterway cover plate 8.

[0111] The waterway cover plate 8 can be connected to the mounting seat 40 by friction stir welding, which shortens the welding time, saves electric energy and reduces production costs. The waterway cover plate 8 can also be fixedly connected to the mounting seat 40 by bolts, and a sealing pad is arranged at the connection to ensure the sealing effect.

[0112] In one embodiment, the second water channel includes a plurality of groove-shaped flow channels, and the plurality of groove-shaped flow channels are arranged on the water channel cover plate 8. The plurality of groove-shaped flow channels are connected in series along the flow direction of the coolant, and the coolant flows through the plurality of groove-shaped flow channels in sequence.

[0113] The slot-type channels are the tenth channel 26 and the eleventh channel 27 in the figure. Both channels are rectangular slots, which can cool the electronic module in a plane defined by the length and width of the controller (XY plane in the figure).

[0114] The tenth flow channel 26 includes a first bottom plate 34 and a first side wall 35. The first side wall 35 surrounds the first bottom plate 34. The first bottom plate 34 and the first side wall 35 are integrally formed on the waterway cover plate 8, which can be regarded as a groove dug on the waterway cover plate 8 to form the tenth flow channel 26; the eleventh flow channel 27 includes a second bottom plate 37 and a second side wall 38. The second side wall 38 surrounds the second bottom plate 37. The second bottom plate 37 and the second side wall 38 are integrally formed on the waterway cover plate 8, which can be regarded as a groove dug on the waterway cover plate 8 to form the eleventh flow channel 27.

[0115] In one embodiment, if Figure 6 , Figure 7 As shown, a partition 36 is provided between the plurality of slot-shaped flow channels, and a channel is provided in the partition 36 for passing the coolant.

[0116] In the figure, the water outlet 10 of the IGBT power generation module and the water inlet 11 of the IGBT drive module are respectively arranged at the two ends of the channel.

[0117] In one embodiment, a water inlet and a water outlet are respectively provided at both ends of the water channel cover plate 8, the water inlet is used to input the coolant into the groove-shaped flow channel, and the water outlet is used to output the coolant from the groove-shaped flow channel.

[0118] The water inlet is the IGBT power generation module water inlet 9 and the IGBT drive module water outlet 12 in the figure.

[0119] In one embodiment, a connection structure is provided at the edge of the groove-shaped flow channel, and the connection structure is used to be fixedly connected to the second heat-generating component provided on the top of the water channel cover plate 8 .

[0120] The connection structure may be a connection hole, and the second heating component is fixedly connected to the water channel cover plate 8 by bolts.

[0121] The second heat generating component may include: an IGBT power generation module 14, an IGBT driving module 15, capacitors and other electronic modules.

[0122] like Fig.10 As shown, a capacitor mounting position 16 is provided on the top of the water channel cover plate 8 , and a capacitor can be installed at the capacitor mounting position 16 and cooled by the water channel cover plate 8 .

[0123] In one embodiment, the mounting seat 40 and the box body 1 are an integral part, that is, the mounting seat 40 and the box body 1 are made in one piece. The mounting seat 40 and the box body 1 can be manufactured by casting and machining.

[0124] In one embodiment, a connection ear 50 is provided on the side of the box body 1 , and the box body 1 can be installed inside a vehicle through the connection ear 50 .

[0125] like Figure 1-10As shown, an embodiment of the utility model further provides a controller, comprising a first heating component and a second heating component,

[0126] It also includes the cooling water channel structure described in any one of the above embodiments, the first heat-generating component exchanges heat with the first water channel, and the second heat-generating component exchanges heat with the second water channel.

[0127] In one embodiment, if Fig. 9 As shown, the second heat-generating component covers the top opening of the second water channel, and the bottom of the second heat-generating component is provided with heat-dissipating fins 60, which are inserted into the second water channel.

[0128] By providing the heat dissipation fins 60 , the cooling effect on the second heat generating component can be improved.

[0129] The second heat-generating component may include a plurality of electronic modules, which are respectively disposed in a plurality of slot-shaped flow channels.

[0130] In one embodiment, the first heat generating component is a power module, and / or the second heat generating component is an IGBT module.

[0131] An embodiment of the utility model further provides a vehicle, comprising the controller described in any one of the above embodiments.

[0132] According to a cooling water channel structure, a controller and a vehicle of the utility model:

[0133] In the upper and lower directions of the box, the water channel is designed in two layers, one for the IGBT module to dissipate heat, and the other for the power module to dissipate heat. This can save the space of the box, improve its utilization rate, and make the controller more compact.

[0134] The water channel is divided into two layers from top to bottom, but the water channels are connected. The entire water channel structure is designed to be flexible with the layout of the power supply and electronic control, so that the heat-generating components of the power supply can be cooled sequentially to prevent damage to the components that generate heat first and have high power, thus reducing the use cost and maintenance cost.

[0135] The upper and lower layers of the water channel design not only dissipate heat for the IGBT module and the power module, but also dissipate heat for the capacitors and inductors inside the box, thus increasing their service life. The electronic control and power water channels are connected to achieve water channel sharing.

[0136] The interconnected combination design of the IGBT water channel and the three-dimensional power cooling water channel not only realizes the heat dissipation of the IGBT, capacitors, inductors and power modules, but also enables the power device modules to be surrounded and isolated by the shielding cavity formed by the water channel and shielding ribs, reducing signal interference to other components.

[0137] The processes and steps described in all the above preferred embodiments are only examples. Unless adverse effects occur, various processing operations can be performed in a sequence different from the sequence of the above processes. The sequence of steps in the above processes can also be increased, merged or deleted according to actual needs.

[0138] In understanding the scope of the present invention, the term "comprising" and its derivatives as used herein are intended to be open terms, which specify the existence of the recorded features, elements, components, groups, wholes and / or steps, but do not exclude the existence of other unrecorded features, elements, components, groups, wholes and / or steps. This concept also applies to words with similar meanings, such as the terms "including", "having" and their derivatives.

[0139] The terms "attached" or "attached" as used herein include: a configuration where an element is directly secured to another element by directly securing the element to the other element; a configuration where an element is indirectly secured to another element by securing the element to an intermediate member which in turn is secured to the other element; and a configuration where one element is integral with the other element, i.e., one element is substantially a part of the other element. This definition also applies to words with similar meanings such as "connect," "connect," "couple," "mount," "bond," "fix," and their derivatives. Finally, terms of degree such as "substantially," "approximately," and "approximately" as used herein represent the amount of deviation that modifies the term such that the end result will not be significantly changed.

[0140] Unless otherwise defined, the technical and scientific terms used herein have the same meaning as those generally understood by those skilled in the art of the present invention. The terms used herein are only for describing specific implementation purposes and are not intended to limit the present invention. The features described herein in one embodiment may be applied to another embodiment alone or in combination with other features, unless the feature is not applicable or otherwise specified in the other embodiment.

[0141] The utility model has been described through the above-mentioned embodiments, but it should be understood that the above-mentioned embodiments are only for the purpose of example and description, and are not intended to limit the utility model to the scope of the described embodiments. In addition, it can be understood by those skilled in the art that the utility model is not limited to the above-mentioned embodiments, and more variations and modifications can be made according to the teachings of the utility model, and these variations and modifications all fall within the scope of protection claimed by the utility model.

Claims

1. A cooling water channel structure, characterized in that: include: a first water channel, wherein the first water channel is used to cool a first heat generating component; as well as a second water channel, the second water channel being used to cool a second heat generating component, the second water channel being connected to the first water channel, and the second water channel and the first water channel being stacked along a first direction; Wherein, the first water channel is provided with a vertical flow channel, and the vertical flow channel increases in depth along the first direction to form a cooling surface.

2. The cooling water channel structure according to claim 1, characterized in that: Also includes: A mounting seat (40), wherein the first water channel is arranged in the mounting seat (40), a mounting cavity is arranged at the bottom of the mounting seat (40), the mounting cavity is used to install the first heat-generating component, and the vertical flow channel is adjacent to the mounting cavity.

3. The cooling water channel structure according to claim 2, characterized in that: Also includes: A box body (1), wherein the mounting seat (40) is arranged in the box body (1); A first pipe (2) is arranged outside the box (1) and connected to the inlet of the first water channel; The second pipe (13) is arranged outside the box (1) and connected to the outlet of the second water channel.

4. The cooling water channel structure according to claim 1, characterized in that: The first water channel is provided with at least two vertical flow channels, and the space between the two vertical flow channels can accommodate the first heat-generating component.

5. The cooling water channel structure according to claim 4, characterized in that: The first water channel is further provided with at least one bending portion, wherein the bending portion connects two adjacent vertical flow channels, and the depth of the bending portion is less than or equal to the depth of the vertical flow channel.

6. The cooling water channel structure according to claim 1, characterized in that: An extended flow channel is provided at the end of the first water channel, and the width of the extended flow channel is greater than the width of other parts of the first water channel in a plane defined by the second direction and the third direction; The second direction is perpendicular to the third direction, and the first direction is perpendicular to a plane defined by the second direction and the third direction.

7. The cooling water channel structure according to claim 6, characterized in that: Also includes: A flow dividing column (7), wherein the flow dividing column (7) is arranged at the bottom of the expansion channel along the first direction.

8. The cooling water channel structure according to claim 2, characterized in that: Also includes: A waterway cover plate (8), wherein the waterway cover plate (8) is arranged on the top of the mounting seat (40) and covers the top opening of the first waterway, and the second waterway is arranged on the waterway cover plate (8).

9. The cooling water channel structure according to claim 8, characterized in that: The second water channel comprises a plurality of groove-shaped flow channels, the plurality of groove-shaped flow channels are arranged on the water channel cover plate (8), and the plurality of groove-shaped flow channels are interconnected.

10. The cooling water channel structure according to claim 9, characterized in that: The groove-shaped flow channel comprises a bottom plate and side walls, wherein the side walls surround the bottom plate, and the bottom plate and the side walls are integrally formed on the water channel cover plate (8).

11. The cooling water channel structure according to claim 9, characterized in that: A partition (36) is provided between the plurality of groove-shaped flow channels, and the partition (36) is provided with a channel, and the channel is used for passing a cooling liquid.

12. The cooling water channel structure according to claim 9, characterized in that: A water inlet and a water outlet are respectively provided at both ends of the water channel cover plate (8), wherein the water inlet is used to input coolant into the groove-shaped flow channel, and the water outlet is used to output coolant from the groove-shaped flow channel.

13. The cooling water channel structure according to claim 9, characterized in that: A connection structure is provided at the edge of the groove-shaped flow channel, and the connection structure is used to be fixedly connected to the second heat-generating component arranged on the top of the water channel cover plate (8).

14. The cooling water channel structure according to claim 3, characterized in that: The mounting seat (40) and the box body (1) are an integral part.

15. A controller, comprising a first heat generating component and a second heat generating component, characterized in that: It also includes the cooling water channel structure according to any one of claims 1 to 14, wherein the first heat-generating component exchanges heat with the first water channel, and the second heat-generating component exchanges heat with the second water channel.

16. The controller according to claim 15, characterized in that The second heat-generating component covers the top opening of the second water channel, and the bottom of the second heat-generating component is provided with heat-dissipating fins, which are inserted into the second water channel.

17. The controller according to claim 15, characterized in that: The first heat generating component is a power module, and / or the second heat generating component is an IGBT module.

18. A vehicle, characterized in that: Comprising a controller according to any one of claims 15-17.

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