CN217389318U - Heat abstractor, machine controller and vehicle - Google Patents
Heat abstractor, machine controller and vehicle Download PDFInfo
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- CN217389318U CN217389318U CN202220970694.1U CN202220970694U CN217389318U CN 217389318 U CN217389318 U CN 217389318U CN 202220970694 U CN202220970694 U CN 202220970694U CN 217389318 U CN217389318 U CN 217389318U
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- heat dissipation
- flow channel
- power module
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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Abstract
The utility model discloses a heat abstractor, machine controller and vehicle, heat abstractor, its characterized in that, including heat dissipation base, power module and heating panel, heat dissipation base includes along its axial first feed liquor runner, recess portion and the first play liquid runner that sets up of establishing ties, the recess portion is equipped with two relative first recesses from top to bottom, first feed liquor runner and first play liquid runner are linked together with two first recesses respectively for circulate the coolant liquid; the notches of the two first grooves face back to each other, the power module and the heat dissipation plate are arranged in the first grooves, and the heat dissipation plate is arranged below the power module and matched with the first grooves to contain circulating cooling liquid. The motor controller comprises the heat dissipation device, and the vehicle comprises the motor controller. The heat dissipation base effectively ensures uniform heat dissipation of each power module, so that the heat dissipation performance of the motor controller is improved, and the performance of a vehicle is improved.
Description
Technical Field
The utility model relates to an electric automobile drive controller technical field, concretely relates to heat abstractor, machine controller and vehicle.
Background
Under the wave of global environmental protection and sustainable development, the development of electric automobiles is more and more rapid. The motor controller is one of the core components in the electric automobile and is directly related to the performance of the whole automobile. With the stricter and stricter requirements on the power performance of the electric automobile, the power density of the motor controller is continuously increased, and higher requirements are also provided for the heat dissipation capacity of the power module of the motor controller.
The current motor controller mainly includes power module and capacitance inductance module, is equipped with the heat dissipation water course in the inside of motor controller box, and the heat dissipation water course is laid in the below of power module and capacitance inductance module, and along with coolant flow through the water course in this kind of mode, coolant liquid temperature can constantly be raised, leads to the terminal radiating effect of water course relatively poor, causes the inhomogeneous, the poor problem of effect of heat dissipation easily.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks and deficiencies in the prior art, it is desirable to provide a heat sink, a motor controller, and a vehicle.
In a first aspect, an embodiment of the present invention provides a heat dissipation apparatus, including a heat dissipation base, a power module and a heat dissipation plate, where the heat dissipation base includes a first liquid inlet channel, a groove portion and a first liquid outlet channel, which are arranged in series along an axial direction of the heat dissipation base, the groove portion is provided with two first grooves which are opposite to each other in a vertical direction, and the first liquid inlet channel and the first liquid outlet channel are respectively communicated with the two first grooves for circulating a cooling liquid;
the notches of the two first grooves face back, the power module and the heat dissipation plate are arranged in the first grooves, and the heat dissipation plate is arranged below the power module and matched with the first grooves to contain and circulate the cooling liquid.
In some embodiments, a temperature equalizing plate is further disposed between the power module and the heat dissipation plate, and a heat dissipation flow channel of the heat dissipation plate for accommodating the cooling liquid is disposed on a side surface of the heat dissipation plate facing away from the temperature equalizing plate.
In some embodiments, the temperature equalization plate comprises an upper cover, a middle layer and a lower cover which are sequentially stacked, wherein the middle layer comprises a plurality of pipes which are crossed in a longitudinal and transverse direction and are communicated, and cooling media are injected into the pipes.
In some embodiments, a side of the upper cover away from the lower cover is provided with a first caulking groove for accommodating the power module, and a side of the lower cover towards the upper cover is provided with a second caulking groove for accommodating the middle layer.
In some embodiments, a blocking portion is further disposed between two first grooves of the groove portions, and an outlet of the first liquid inlet flow channel and an inlet of the first liquid outlet flow channel are located on the same central axis as the blocking portion.
In some embodiments, the heat dissipation flow channel is formed by distributing heat dissipation fin pins arranged in a matrix on the heat dissipation plate, and the heat dissipation fin pins abut against the partition.
In some embodiments, in the axial direction of the heat dissipation base, the blocking portion includes a blocking main portion and blocking blocks disposed on both sides of the blocking main portion;
along two relative direction about the first recess, the thickness that separates the dog is less than separate the thickness of dog main part, the thickness that separates the dog is less than the bore size of the export of first feed liquor runner, just the thickness that separates the dog is less than the bore size of the entry of first play liquid runner.
In a second aspect, an embodiment of the present invention provides a motor controller, including a box, a capacitance and inductance module disposed in the box, and the heat dissipation device as described above;
a second liquid inlet flow channel, a second groove and a second liquid outlet flow channel which are sequentially connected in series are further arranged in the box body, and the second liquid inlet flow channel and the second liquid outlet flow channel are respectively communicated with the second groove and used for circulating cooling liquid flowing out of a heat dissipation base of the heat dissipation device;
the notch of the second groove is provided with a sealing cover, and the capacitance and inductance module is arranged above the sealing cover.
In some embodiments, the serial direction among the second liquid inlet flow channel, the second groove and the second liquid outlet flow channel is parallel to the axial direction of the heat dissipation base;
the motor controller further comprises a plug, and the first liquid outlet flow channel is connected with the second liquid inlet flow channel through the plug.
In a third aspect, embodiments of the present invention provide a vehicle, including a motor controller as described above.
The embodiment of the utility model provides a technical scheme can include following beneficial effect:
in the heat dissipation base, the motor controller and the vehicle provided by the embodiment of the utility model, the first liquid inlet flow channel, the groove part comprising the two first grooves and the first liquid outlet flow channel which are sequentially communicated are arranged in the heat dissipation base, the cooling liquid enters from the first liquid inlet flow channel, is shunted to enter the two first grooves and is converged to enter the first liquid outlet flow channel, so that the heat generated by the power module can be efficiently taken away, wherein the two first grooves are essentially designed in a double-layer flow channel parallel manner, the uniform heat dissipation of each power module is effectively ensured, and the heat dissipation capability of each layer of flow channel is improved;
in a preferred embodiment, a temperature equalizing plate is arranged between the power module and the heat dissipation plate, so that heat generated by the power module can be quickly conducted to the heat dissipation plate, and the temperature difference of each part of the power module is reduced;
the motor controller has the performance of the heat dissipation device, the motor controller is further internally provided with a second liquid inlet flow channel, a second groove and a second liquid outlet flow channel which are sequentially communicated, and after cooling liquid flows out of the first liquid outlet flow channel, the second liquid inlet flow channel, the second groove and the second liquid outlet flow channel are sequentially communicated, so that a heat dissipation effect is achieved on the capacitance and inductance module, and the heat dissipation performance of the motor controller is further improved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
fig. 1 is a schematic structural view of a heat dissipation device according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a heat dissipation device according to an embodiment of the present invention;
fig. 3 is an exploded schematic view of a vapor chamber in the heat dissipation device according to the embodiment of the present invention;
fig. 4 is a schematic front view of a vapor chamber in a heat dissipation device according to an embodiment of the present invention;
fig. 5 is a schematic top view of a vapor chamber in the heat dissipation device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a motor controller according to an embodiment of the present invention;
fig. 7 is an exploded schematic view of a motor controller according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a heat dissipation flow channel inside a motor controller according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The present invention employs the first, second, etc. to describe various information, but the information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, the first information may also be referred to as second information, and similarly, the second information may also be referred to as first information, without departing from the scope of the present invention.
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; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and 2, an embodiment of the present invention provides a heat dissipation apparatus, including a heat dissipation base 2, a power module 3 and a heat dissipation plate 4, the heat dissipation base 2 includes a first liquid inlet channel 23, a groove portion and a first liquid outlet channel 24, which are arranged in series along an axial direction thereof, the groove portion is provided with two first grooves 21 which are opposite to each other up and down, the first liquid inlet channel 23 and the first liquid outlet channel 24 are respectively communicated with the two first grooves 21 for circulating a cooling liquid;
the notches of the two first grooves 21 face away from each other, the power module 3 and the heat dissipation plate 4 are arranged in the first grooves 21, and the heat dissipation plate 4 is arranged below the power module 3 and matched with the first grooves 21 to contain circulating cooling liquid.
In the heat dissipation device provided in this embodiment, a heat dissipation flow channel for flowing a cooling liquid and cooling the power module is formed inside the heat dissipation base 2, and the cooling liquid is generally preferably water, which is cheap, non-toxic, stable in physical and chemical properties and strong in cooling capacity; the coolant may be oil, brine, or the like.
In this embodiment, a first liquid inlet flow channel 23, a first groove 21 and a first liquid outlet flow channel 24 which are sequentially communicated are arranged in the heat dissipation base 2, and the cooling liquid can enter from the first liquid outlet flow channel 23, flow separately into the first groove 21, and flow together into the first liquid outlet flow channel 24, so as to take away heat generated by the power module 3. The two first grooves 21 are substantially designed in a double-layer runner parallel type, so that uniform heat dissipation of each power module 3 is effectively ensured, and the heat dissipation capability of each layer of runners is improved.
In some embodiments, a temperature equalizing plate 5 is further disposed between the power module 3 and the heat dissipation plate 4, and a heat dissipation flow channel of the heat dissipation plate 4 for accommodating a cooling liquid is disposed on a side surface thereof facing away from the temperature equalizing plate 5.
In this embodiment, the temperature-uniforming plate 5 and the power module 3 are overlapped at the notch of the first groove 21, and the heat-dissipating plate 4 is disposed on the side of the temperature-uniforming plate 5 facing away from the power module 3. Because a plurality of chips are integrated in the power module 3, the temperature equalizing plate 5 can quickly and rapidly diffuse heat generated by the power module 3 and conduct the heat to the heat dissipation plate 4, thereby avoiding over-temperature of local chips in the power module 3 and reducing temperature difference of each part of the power module 3.
Further, referring to fig. 3 to 5, the temperature-uniforming plate 5 includes an upper cover 51, an intermediate layer 52, and a lower cover 53 stacked in this order, the intermediate layer 52 includes a plurality of pipes 521 crossing in a vertical and horizontal direction and communicating with each other, and a cooling medium is injected into the pipes 521.
The intermediate layer 52 has a plurality of pipes 521 intersecting in the longitudinal and transverse directions and communicating with each other, and the intermediate layer 52 is in a mesh shape. The cooling medium in the pipe 521 has certain heat dissipation and temperature equalization effects; and the mesh-like intermediate layer 52 further increases the temperature equalization area.
Further, a side of the upper cover 51 away from the lower cover 53 is provided with a first caulking groove 511 for accommodating the power module 3, and a side of the lower cover 53 facing the upper cover 51 is provided with a second caulking groove 531 for accommodating the intermediate layer 52.
The first caulking groove 511 of the upper cover 51 enables the power module 3 and the temperature-uniforming plate 5 to form stable connection; the second caulking groove 531 of the lower cover 53 enables the intermediate layer 52 to be stably interposed between the upper cover 51 and the lower cover 53.
In some embodiments, a barrier portion 22 is further disposed between two first grooves 21 of the groove portions, and an outlet of the first inlet flow channel 23 and an inlet of the first outlet flow channel 24 are located on the same central axis as the barrier portion 22.
Further, the heat dissipation flow path is formed by distributing heat dissipation fin pins 41 arranged in a matrix on the heat dissipation plate 4, and the heat dissipation fin pins are abutted to the blocking portion. The heat dissipation fin pins are in contact with the cooling liquid flowing through the first grooves 21, so that the heat dissipation effect is effectively improved; the heat dissipation fin pins 41 are connected with the heat dissipation plate 4, the power module 3 and the temperature equalizing plate 5 are arranged on one side of the heat dissipation plate 4, and the heat dissipation fin pins 41 are abutted to the blocking parts 22, so that the heat dissipation and temperature equalizing effects are guaranteed, and the temperature equalizing plate 5 and the power module 3 which are arranged on one side of the heat dissipation plate 4 can be stably arranged at the opening of the first groove 21.
Further, in the axial direction of the heat dissipation base 2, the barrier portion 22 includes a barrier main body portion 221 and barrier blocks 222 provided on both sides of the barrier main body portion 221; along the vertical opposite directions of the two first grooves 21, the thickness of the blocking block 222 is smaller than that of the blocking main body part 221, the thickness of the blocking block 222 is smaller than the caliber size of the outlet of the first liquid inlet flow channel 23, and the thickness of the blocking block 222 is smaller than the caliber size of the inlet of the first liquid outlet flow channel 24.
With such a design, the barrier portion 22 forms a gap 223 communicating with the first grooves 21 by using a height difference between the barrier 222 and the barrier main body portion 221, so as to ensure that the cooling liquid can be divided into two first grooves 21 from the first liquid outlet channel 23, and converged into the first liquid outlet channel 24 from the two first grooves 21, thereby effectively dissipating heat of each power module 3.
Referring to fig. 6 to 8, an embodiment of the present invention further provides a motor controller, which includes a box 1, a capacitance and inductance module (not shown) disposed in the box 1, and the heat dissipation device;
a second liquid inlet flow channel 25, a second groove 27 and a second liquid outlet flow channel 26 which are sequentially arranged in series are further arranged in the box body, and the second liquid inlet flow channel 25 and the second liquid outlet flow channel 26 are respectively communicated with the second groove 27 and used for circulating cooling liquid flowing out of a heat dissipation base of the heat dissipation device;
the notch of the second groove 27 is provided with a sealing cover 6, and the capacitance and inductance module is arranged above the sealing cover 6.
In this embodiment, in the flow path of the cooling liquid, a flow channel for dissipating heat of the capacitance and inductance module is further connected in series behind the first liquid outlet flow channel 24, and the cooling liquid flowing out through the first liquid outlet flow channel 24 will continue to flow through the second liquid inlet flow channel 25, the second groove 27 and the second liquid outlet flow channel 26 in sequence to take away heat generated by the capacitance and inductance module. The heat exchange surface between the capacitance and inductance module and the heat dissipation flow channel is the position of the sealing cover 6.
For the purpose of describing the structure of the motor controller, the following reference coordinate system is introduced: the first direction Z, the second direction X and the third direction Y are mutually perpendicular in pairs, the first direction Z is a vertical direction, and the notches of the two first grooves 21 are back to back in the first direction Z; the second direction X is the axial direction of the heat dissipation base.
Furthermore, the serial direction among the second liquid inlet flow channel, the second groove and the second liquid outlet flow channel is parallel to the axial direction of the heat dissipation base;
the motor controller also comprises a plug 7, and the first liquid outlet flow channel 24 is connected with the second liquid inlet flow channel 25 through the plug.
In this embodiment, the first liquid inlet flow channel, the groove portion, and the first liquid outlet flow channel are taken as a first heat dissipation flow channel, the second liquid inlet flow channel, the second groove, and the second liquid outlet flow channel are taken as a second heat dissipation flow channel, and the first heat dissipation flow channel and the second heat dissipation flow channel are arranged side by side in the third direction Y;
the length of the heat dissipation plate 4 coincides with the length of the first groove 21 in the second direction X; in the third direction Y, the width of the heat dissipation plate 4 is the same as the width of the second groove 21, and in order to ensure the sealing property of the cooling liquid flowing through the first groove, a sealing ring is preferably arranged at the edge of the side of the heat dissipation plate 4 facing away from the power module 3;
the inner part of the plug 7 is hollow, one end face of the plug 7 is provided with two openings which are arranged side by side in the third direction Y, the axis of each opening is along the second direction X, one of the two openings is used for connecting the outlet of the first liquid outlet flow channel 24, the other of the two openings is used for connecting the inlet of the second liquid inlet flow channel 25, and the first liquid outlet flow channel 24 is communicated with the second liquid inlet flow channel 25 through the plug 7.
It can be understood that the tank 1 is provided with the liquid inlet 8 and the liquid outlet 9, the liquid inlet 8 is over against the inlet of the first liquid outlet flow channel 23, and the liquid outlet 9 is over against the outlet of the second liquid outlet flow channel 26, so as to realize heat dissipation of the power module, the capacitor and the inductor;
in this embodiment, two power modules 3 are arranged at intervals in the first direction Z, and the area where the power module 3 is located and the area where the capacitance and inductance module is located are arranged side by side in the third direction Y, which is favorable for improving the integration level of internal components of the motor controller.
The embodiment of the utility model provides a still provide a vehicle, including above machine controller. The motor controller is compact in structure and good in heat dissipation performance, and the service life of a vehicle is effectively prolonged.
The above description is only a preferred embodiment of the invention and is intended to illustrate the technical principles applied. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments that can be formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features and (but not limited to) technical features having similar functions disclosed in the present invention are mutually replaced to form the technical solution.
Claims (10)
1. A heat dissipation device is characterized by comprising a heat dissipation base, a power module and a heat dissipation plate, wherein the heat dissipation base comprises a first liquid inlet flow channel, a groove part and a first liquid outlet flow channel which are arranged in series along the axial direction of the heat dissipation base, the groove part is provided with two first grooves which are opposite up and down, and the first liquid inlet flow channel and the first liquid outlet flow channel are respectively communicated with the two first grooves for circulating cooling liquid;
the notches of the two first grooves face back, the power module and the heat dissipation plate are arranged in the first grooves, and the heat dissipation plate is arranged below the power module and matched with the first grooves to contain and circulate the cooling liquid.
2. The heat dissipating device according to claim 1, wherein a temperature equalizing plate is further disposed between the power module and the heat dissipating plate, and a heat dissipating flow channel of the heat dissipating plate for receiving the cooling fluid is disposed on a side surface of the heat dissipating plate facing away from the temperature equalizing plate.
3. The heat dissipation device of claim 2, wherein the temperature equalization plate comprises an upper cover, a middle layer and a lower cover which are sequentially stacked, the middle layer comprises a plurality of pipes which are crossed and communicated in a longitudinal and transverse mode, and cooling media are injected into the pipes.
4. The heat dissipating device as claimed in claim 3, wherein a side of the upper cover facing away from the lower cover is provided with a first caulking groove for accommodating the power module, and a side of the lower cover facing the upper cover is provided with a second caulking groove for accommodating the intermediate layer.
5. The heat dissipating device of claim 2, wherein a partition is further disposed between two first grooves of the groove portion, and the outlet of the first inlet channel and the inlet of the first outlet channel are located on the same central axis as the partition.
6. The heat dissipating device of claim 5, wherein the heat dissipating channel is formed by distributing heat dissipating pins arranged in a matrix on the heat dissipating plate, and the heat dissipating pins abut against the partition.
7. The heat dissipating device according to claim 5, wherein the barrier portion includes a barrier main portion and barrier blocks disposed on both sides of the barrier main portion in an axial direction of the heat dissipating base;
along two relative direction about the first recess, the thickness that separates the dog is less than separate the thickness of dog main part, the thickness that separates the dog is less than the bore size of the export of first feed liquor runner, just the thickness that separates the dog is less than the bore size of the entry of first play liquid runner.
8. A motor controller comprising a housing, a capacitive-inductive module disposed within the housing, and a heat sink according to any one of claims 1-7;
a second liquid inlet flow channel, a second groove and a second liquid outlet flow channel which are sequentially connected in series are further arranged in the box body, and the second liquid inlet flow channel and the second liquid outlet flow channel are respectively communicated with the second groove and used for circulating cooling liquid flowing out of a heat dissipation base of the heat dissipation device;
the notch of the second groove is provided with a sealing cover, and the capacitance and inductance module is arranged above the sealing cover.
9. The motor controller according to claim 8, wherein a serial direction among the second liquid inlet flow channel, the second groove and the second liquid outlet flow channel is parallel to an axial direction of the heat dissipation base;
the motor controller further comprises a plug, and the first liquid outlet flow channel is connected with the second liquid inlet flow channel through the plug.
10. A vehicle characterized by comprising a motor controller according to claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220970694.1U CN217389318U (en) | 2022-04-25 | 2022-04-25 | Heat abstractor, machine controller and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220970694.1U CN217389318U (en) | 2022-04-25 | 2022-04-25 | Heat abstractor, machine controller and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217389318U true CN217389318U (en) | 2022-09-06 |
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ID=83109675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220970694.1U Active CN217389318U (en) | 2022-04-25 | 2022-04-25 | Heat abstractor, machine controller and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217389318U (en) |
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2022
- 2022-04-25 CN CN202220970694.1U patent/CN217389318U/en active Active
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