CN213522814U

CN213522814U - Heat dissipation water course, machine controller and new energy automobile

Info

Publication number: CN213522814U
Application number: CN202021649011.XU
Authority: CN
Inventors: 黄聪文
Original assignee: Shenzhen Clou Electronics Co Ltd; Shenzhen Clou Drive Technology Co Ltd
Current assignee: Shenzhen Clou Electronics Co Ltd; Shenzhen Clou Drive Technology Co Ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-06-22
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses a heat dissipation water course, machine controller and new energy automobile, heat dissipation water course include the casing, include opening chamber, inlet and first liquid outlet on the casing, and the inlet is linked together with the opening chamber, and first liquid outlet is linked together with the opening chamber, and the heat dissipation post sets up in the opening chamber, and the cross-sectional area of heat dissipation post is spindle-shaped, fusiform or oval, and first apron is used for the opening in sealed opening chamber. Through setting up the heat dissipation post into fusiform, fusiform or oval, can reduce the resistance that the coolant liquid flows to improve the flow velocity of coolant liquid, improve the radiating effect of heat dissipation water course, thereby improve the reliability and the life of machine controller work, and then improve new energy automobile's whole car performance.

Description

Heat dissipation water course, machine controller and new energy automobile

Technical Field

The utility model relates to a new energy automobile machine controller field especially relates to heat dissipation water course, controller and new energy automobile.

Background

At present, power electronic devices are developed in the direction of high density, high power and miniaturization, but the larger the power is, the smaller the volume is, the more serious the heating problem of the power electronic devices is, and the heat dissipation performance directly influences the performance and the service life of products. In the related art, the cooling water channel is provided with the S-shaped radiating fins, and cooling water flows along the S-shaped fins, so that the flow rate of the cooling water is low, and the radiating performance is poor.

Disclosure of Invention

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a heat dissipation water course sets up to fusiform, fusiform or oval through the cross section with the heat dissipation post, and the coolant liquid is when the heat dissipation post, and the resistance is little, and the coolant water flow rate is fast, and the radiating effect is good.

The heat sink channel according to the embodiment of the first aspect of the present invention comprises,

the liquid inlet is communicated with the open cavity, and the first liquid outlet is communicated with the open cavity;

the heat dissipation column is arranged in the open cavity, and the cross section of the heat dissipation column is fusiform, fusiform or oval.

A first cover plate for sealing an opening of the open cavity.

According to the utility model discloses heat dissipation water course has following technological effect at least: the cross section of the heat dissipation column is set to be in a fusiform, fusiform or oval-shaped streamline structure, the resistance of the cooling liquid can be reduced through the heat dissipation column, the cooling liquid can pass through the heat dissipation column quickly, the circulation of the cooling liquid is accelerated, and therefore the heat dissipation effect is improved.

According to some embodiments of the utility model, the inlet with first liquid outlet sets up the open cavity, the inlet with first liquid outlet sets up relatively, the major axis of cross section is parallel with the feed liquor direction.

According to some embodiments of the utility model, the casing still includes open channel, second liquid outlet and second apron, open channel's one end with first liquid outlet is linked together, open channel's the other end with the second liquid outlet is linked together, the second apron is used for sealing open channel's opening, first apron with the second apron is integral.

According to some embodiments of the utility model, the second liquid outlet with the inlet sets up same one side of casing.

According to some embodiments of the invention, the open channel comprises a first channel and a second channel, the first channel being parallel to the first liquid outlet, the second channel being perpendicular to the second liquid outlet.

According to some embodiments of the utility model, the open-ended periphery in open cavity is provided with the location step, first apron with location step looks butt.

According to some embodiments of the utility model, the open cavity reaches the periphery of open channel is provided with the location step, first apron reaches the second apron with location step looks butt.

According to the utility model discloses motor controller of second aspect, including the heat dissipation water course of the above-mentioned first aspect embodiment.

According to the utility model discloses the new energy automobile of third aspect, including automobile body and the motor controller of above-mentioned second aspect embodiment.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is an exploded view of a heat sink channel according to a first embodiment of the present invention;

FIG. 2 is a schematic view of the hidden cover plate of the heat sink channel of FIG. 1;

FIG. 3 is a top view of the heat sink channel of FIG. 1;

FIG. 4 is a schematic cross-sectional view of a heat-dissipating stud of the heat-dissipating waterway of FIG. 1;

FIG. 5 is a schematic diagram illustrating coolant resistance simulation of a heat sink channel according to the related art;

FIG. 6 is a schematic diagram illustrating coolant resistance simulation of the heat sink channel of FIG. 1;

FIG. 7 is a cloud view of a temperature field of a heat sink channel in a related art;

FIG. 8 is a cloud of temperature fields of the cooling channel of FIG. 1;

FIG. 9 is a cloud view of a cooling fluid velocity field of a heat sink channel according to the related art;

fig. 10 is a cloud view of a cooling fluid flow velocity field of the cooling channel of fig. 1.

Reference numerals:

the heat dissipation device comprises a shell 100, an upper surface 110, an open cavity 120, a first side 121, a second side 122, a third side 123, a fourth side 124, a liquid inlet 130, a second liquid outlet 140, a first liquid outlet 150, a heat dissipation column 160, an open channel 170, a first channel 171 and a second channel 172;

a cover plate 200, a first cover plate 210, a second cover plate 220;

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the terms "longitudinal direction", "up", "down", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A heat radiation water passage according to an embodiment of a first aspect of the present invention is described below with reference to fig. 1 to 4.

As shown in fig. 1 to 4, the heat dissipation channel includes a housing 100 and a heat dissipation pillar 160, the housing 100 has an oral cavity 120, an inlet 130 and a first outlet 150, the inlet 130 is connected to the open cavity 120, and the first outlet 150 is connected to the open cavity 120. The heat dissipation post 160 is disposed in the open cavity 120, the cross-section of the heat dissipation post 160 is spindle-shaped, shuttle-shaped or oval-shaped, and the first cover plate 210 is used to seal the opening of the open cavity 120.

Specifically, the housing 100 is a box-shaped structure, the housing 100 has an upper surface 110, the open cavity 120 is formed by the upper surface 110 being recessed downward, the cross section of the open cavity 120 is rectangular, the heat dissipation pillar 160 is disposed in the open cavity 120 and fixedly connected to the bottom surface of the open cavity 120, the heat dissipation pillar 160 and the bottom surface of the open cavity 120 can be fixedly connected by welding, or the heat dissipation pillar 160 and the open cavity 120 are molded together, and the heat dissipation pillar 160 can be made of cast aluminum or steel. As shown in fig. 3, the number of the heat dissipation pillars 160 in the open cavity 120 is plural, the heat dissipation pillars 160 are distributed in plural rows along the length direction of the open cavity 120, each row has a plurality of heat dissipation pillars 160, each row of the heat dissipation pillars 160 is spaced along the length direction of the open cavity 120, and the heat dissipation pillars 160 in two adjacent rows are staggered. The number of columns and the spacing distance of the heat dissipation posts 160 may be set according to the length of the open cavity 120. The heat dissipation column 160 can increase the contact area between the cooling liquid and the heat dissipation column 160 in a staggered manner, so that more heat can be taken away by the cooling liquid, and the heat dissipation effect is improved.

Heat generated by a power component (not shown in the figure) is transferred to the bottom surface of the open cavity 120, the bottom surface of the open cavity 120 transfers the heat to the heat dissipation pillar 160, the cooling liquid flows into the open cavity 120 through the liquid inlet 130 and contacts with the heat dissipation pillar 160 to absorb the heat of the heat dissipation pillar 160, and the cooling liquid flows out of the open cavity 120 through the first liquid outlet 150, so as to take away the heat of the surface of the open cavity 120 and the heat dissipation pillar 160, thereby achieving cooling.

The heat dissipating stud 160 may have a spindle shape, a shuttle shape or an oval shape, and the cooling fluid flows through the heat dissipating stud 160, and the cooling fluid can smoothly flow through the surface of the heat dissipating stud 160 due to the streamline structure of the heat dissipating stud 160. Compare in the cross section for columniform heat dissipation post, the coolant liquid flows the certain position of cylindrical heat dissipation post's latter half circular arc, the cylindrical surface of streamline no longer laminates, and can break away from, because the rear portion of cylindrical heat dissipation post produces and takes off the stream, so originally the pressure that provides by the fluid that flows through this department no longer exists, the concrete expression does, anterior pressure is greater than the pressure at rear portion, pressure difference is big around, the resistance that corresponding fluid received is also great, and this application is spindle-shaped with heat dissipation post 160, fusiform or oval isopipenic structure, the surface of laminating heat dissipation post 160 that can be fine when the coolant liquid flows, make and take off a class the phenomenon and alleviate, pressure difference around heat dissipation post 160 is less, thereby the resistance that the coolant liquid received is also less. Fig. 5 shows a schematic diagram of simulation of resistance of cooling liquid of a cooling water channel of a cylindrical heat-dissipating column, fig. 6 shows a schematic diagram of simulation of resistance of cooling liquid of a cooling water channel of the present application, through comparative analysis, the resistance of cooling liquid of a cooling water channel of the present application is 0.0559Mpa smaller than the resistance of cooling liquid of a cooling water channel of a cylindrical heat-dissipating column, fig. 7 shows a schematic diagram of a temperature field structure of a cooling water channel of the present application, fig. 8 shows a schematic diagram of a temperature field structure of a cooling water channel of the present application, through comparative analysis, the highest temperature of cooling liquid of a cooling water channel of the present application is 3.04 ℃ smaller than the highest temperature of cooling liquid of a cooling water channel of a cylindrical heat-dissipating column, fig. 9 shows a cloud diagram of a flow velocity field of cooling liquid of a cooling water channel of a cylindrical heat-dissipating column, fig. 10 shows a cloud diagram of a cooling liquid flow velocity field of a cooling water channel of the present application, and through comparative analysis, the The flow speed is 1.153m/s higher. The resistance that the coolant liquid in this application received reduces, can be more quick flow to improve the radiating effect.

In a further embodiment of the present invention, the inlet 130 and the first outlet 150 are disposed on the open cavity 120, the inlet 130 is disposed opposite to the first outlet 150, and the long axis direction of the cross section of the heat dissipation column 160 is parallel to the inlet direction. Specifically, the open cavity 120 includes four side surfaces, a first side surface 121, a second side surface 122, a third side surface 123 and a fourth side surface 124, the first side surface 121 and the third side surface 123 are disposed oppositely, the second side surface 122 and the fourth side surface 124 are disposed oppositely, the liquid inlet 130 is disposed on the first side surface 122, the first liquid outlet 150 is disposed on the third side surface 123, and a long axis direction of a cross section of the heat dissipation column 160 is parallel to the liquid inlet direction. Set up inlet 130 and first liquid outlet 150 relatively, the coolant liquid can directly flow to first liquid outlet 150 from inlet 130, the coolant liquid need not the switching-over at the in-process that flows, can improve the flow velocity of coolant liquid, and when the major axis direction of the cross section of heat dissipation post 160 was parallel with the feed liquor direction, the coolant liquid was earlier through the tip of heat dissipation post 160, flow through along the surface of heat dissipation post 160, than the coolant liquid was earlier through the tip of heat dissipation post 160, can effectually avoid the flow direction of coolant liquid to change, the resistance that makes the coolant liquid flow in-process received is less, thereby effectual improvement radiating effect.

In a further embodiment of the present invention, the housing 100 further includes an open channel 170, a second liquid outlet 140 and a second cover plate 220, one end of the open channel 170 is communicated with the first liquid outlet 150, the other end of the open channel 170 is communicated with the second liquid outlet 140, and the second cover plate 220 is used for sealing the opening of the open channel 170. Through the arrangement of the opening channel 170, the position of the second liquid outlet 140 can be set according to the assembly space, and the cooling liquid flowing through the opening channel 170 can further take away the heat on the housing 100, so that the heat dissipation effect can be further improved.

In the embodiment of the present invention, the first cover plate 210 and the second cover plate 220 are integrated, and the first cover plate and the second cover plate are integrated to improve the sealing performance of the heat dissipation water channel, thereby preventing the leakage of the cooling liquid and affecting the performance of the power device. The first cover plate 210 and the second cover plate 220 may be friction stir welded to the housing 100 for sealing the opening of the open cavity 120 and the opening of the open channel 170. The first cover plate 210 and the second cover plate 220 may also be fixed to the housing 100 by means of threaded fasteners.

In a further embodiment of the present invention, the second liquid outlet 140 and the liquid inlet 130 are disposed on the same side of the housing 100. Through setting up second liquid outlet 140 and inlet 130 with one side, can be convenient for second liquid outlet 140, inlet 130 and outside stock solution device (not shown in the figure) are connected, avoid the use of longer transfer line, especially to under the limited condition of installation space, can effectually avoid because the transfer line overlength and unable installation or take place the condition such as interfere.

In a further embodiment of the present invention, as shown in fig. 2 to 3, the open channel 170 includes a first channel 171 and a second channel 172, the first channel 171 runs parallel to the plane of the first liquid outlet 150, and the second channel 172 runs perpendicular to the plane of the second liquid outlet 140. Specifically, the first liquid outlet 150 is disposed on the third side 123 of the open cavity 120, the first channel 171 runs parallel to the third side 123 of the open cavity 120, and the second channel 172 runs perpendicular to the plane where the second liquid outlet 140 is located.

In a further embodiment of the present invention, the periphery of the opening of the open cavity 120 is provided with a positioning step, and the first cover plate 210 abuts against the positioning step. Specifically, the distance between the bearing surface of the positioning step and the upper surface 110 of the housing 100 is the thickness of the first cover plate 210, and after the first cover plate 210 is installed, the first cover plate 210 is flush with the upper surface 110 of the housing 100, so as to prevent the heat sink water channel from interfering with other components or scratching installers due to the protrusion of the cover plate during the use process.

In a further embodiment of the present invention, the periphery of the opening of the open cavity 120 and the periphery of the opening of the open channel 170 are provided with positioning steps, and the first cover plate 210 and the second cover plate 220 are respectively abutted against the positioning steps. Specifically, the distance between the bearing surface of the positioning step and the upper surface 110 of the housing 100 is the thickness of the cover plate 200, and after the cover plate 200 is installed, the cover plate 200 is flush with the upper surface of the housing 100, so that interference with other parts or scratching of installers due to the protrusion of the cover plate in the use process of the heat dissipation water channel is prevented.

According to the utility model discloses the machine controller of second aspect, including the heat dissipation water course in the above-mentioned first aspect embodiment, through set up the heat dissipation water course on machine controller, can improve the reliability and the life of power device work to the power device cooling.

According to the new energy automobile using the novel third aspect, the whole automobile performance of the new energy automobile can be effectively improved by the motor controller in the embodiment of the second aspect.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The heat dissipation water channel is characterized by comprising,

the heat dissipation column is arranged in the open cavity, and the cross section of the heat dissipation column is spindle-shaped, fusiform or oval;

a first cover plate for sealing an opening of the open cavity.

2. The heat-dissipating water channel as claimed in claim 1, wherein the liquid inlet and the first liquid outlet are disposed in the open cavity, the liquid inlet is disposed opposite to the first liquid outlet, and a long axis of the cross section is parallel to a liquid inlet direction.

3. The heat-dissipating water channel according to claim 2, wherein the housing further includes an open channel, a second liquid outlet, and a second cover plate, one end of the open channel is communicated with the first liquid outlet, the other end of the open channel is communicated with the second liquid outlet, and the second cover plate is configured to seal an opening of the open channel.

4. The heat sink channel of claim 3, wherein the first cover plate and the second cover plate are a unitary structure.

5. The heat sink channel of claim 3, wherein the second liquid outlet and the liquid inlet are disposed on a same side of the housing.

6. The cooling water channel of claim 5, wherein the open channel comprises a first channel and a second channel, the first channel running parallel to a plane of the first outlet port, and the second channel running perpendicular to a plane of the second outlet port.

7. The heat dissipation water channel according to claim 1, wherein a positioning step is provided at a periphery of the opening of the open cavity, and the first cover plate abuts against the positioning step.

8. The heat dissipation water channel according to claim 3, wherein a positioning step is provided at each of a periphery of the opening of the open cavity and a periphery of the opening of the open channel, and the first cover plate and the second cover plate are respectively abutted against the positioning steps.

9. A motor controller comprising the heat sink channel of any one of claims 1 to 8.

10. The new energy automobile, characterized by comprising the motor controller according to claim 9.