CN218244174U - Motor controller and vehicle - Google Patents
Motor controller and vehicle Download PDFInfo
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- CN218244174U CN218244174U CN202221348665.8U CN202221348665U CN218244174U CN 218244174 U CN218244174 U CN 218244174U CN 202221348665 U CN202221348665 U CN 202221348665U CN 218244174 U CN218244174 U CN 218244174U
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Abstract
The utility model discloses a machine controller and vehicle, machine controller includes: a housing in which a first accommodating portion is formed; a power device disposed in the first receiving portion; a first heat dissipation element storing therein a phase change medium and adapted to absorb heat of the power device through phase change of the phase change medium; a second heat dissipation element provided with a heat transfer surface abutting the power device and/or the first heat dissipation element, the second heat dissipation element being adapted to be in contact with a cooling medium to reduce a temperature of the power device and/or the first heat dissipation element. According to the utility model discloses a motor controller has avoided the heat in the short time too high under the condition of vehicle start or motor controller heavy load, and the integrated level is high simultaneously, and the leakproofness is good, and the degree of difficulty of technology is low, is difficult for taking place the short circuit risk.
Description
Technical Field
The utility model belongs to the technical field of machine controller and specifically relates to a machine controller and vehicle is related to.
Background
In the related art, for a low-end electric vehicle or a low-power motor controller, the motor needs low power, high power density, miniaturization in size, low cost and safety. The heat dissipation requirement of a core part power device of the motor controller is enhanced under the requirement of volume miniaturization, forced air cooling is generally adopted in the current industry, the heat dissipation capability of the scheme is improved, but the cost of the whole vehicle is increased; the other scheme adopts natural air cooling, the scheme is low in cost, the size of the controller needs to be increased, meanwhile, in the low-speed starting stage, due to the fact that the wind speed is low, a power limited state caused by the fact that a power chip is over-temperature may exist, and due to the fact that the power of the controller is small originally, the power limitation seriously influences user experience. Therefore, the heat dissipation effect of the motor controller is not ideal at the present stage, and the temperature control research on the motor controller is very important.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a machine controller, this machine controller has avoided the heat in the short time too high under the condition of vehicle start or machine controller heavy load, and the while integrated level is high, and the leakproofness is good, and the degree of difficulty of technology is low, is difficult for taking place the short circuit risk.
According to the utility model discloses a motor controller includes: a controller case in which a first accommodating part is formed; a power device disposed in the first receiving portion; the first heat dissipation element is stored with a phase change medium and is suitable for absorbing heat of the power device through phase change of the phase change medium; a second heat dissipation element provided with a heat transfer surface abutting the power device and/or the first heat dissipation element, the second heat dissipation element being adapted to be in contact with a cooling medium to reduce a temperature of the power device and/or the first heat dissipation element.
According to the motor controller of the utility model, the first radiating part is arranged, the overhigh heat in a short time is solved by utilizing the internally stored phase change medium, and the phase change medium is contained in the first radiating part without the risk of leakage, thereby improving the practicability of the motor controller and reducing the short circuit risk of the motor controller; meanwhile, the motor controller is provided with a second radiating piece which utilizes a radiating medium to radiate heat, so that the radiating capacity of the motor controller is improved, radiating paths of the motor controller are enriched, and the reliability of the motor controller in the using process is ensured.
According to an embodiment of the invention. The first radiating piece is arranged between the power module and the second radiating piece and is provided with a first heat conducting surface and a second heat conducting surface, the first heat conducting surface is attached to the power device, and the second heat conducting surface is attached to the heat transfer surface.
According to an embodiment of the invention. The first heat dissipation member includes: the phase change medium accommodating device comprises a heat conduction shell, a phase change medium accommodating cavity and a heat conducting component, wherein one end of the heat conduction shell is opened; the sealing cover is arranged on the shell and seals one end of the shell, and one side, deviating from the phase change medium containing cavity, of the sealing cover is provided with the first heat conducting surface.
According to an embodiment of the present invention. And the other end of the heat conduction shell in the thickness direction is provided with a second heat conduction surface suitable for being attached to the second heat dissipation piece.
According to an embodiment of the present invention. The first heat dissipation piece is constructed to be an annular heat dissipation piece, an annular heat dissipation surface is formed on the inner periphery of the annular heat dissipation piece, a protruding portion is formed on the second heat dissipation piece, a first heat transfer surface suitable for being attached to the power device is formed at the free end of the protruding portion, and a second heat transfer surface in contact with the annular heat dissipation surface is formed on the outer periphery of the protruding portion.
According to an embodiment of the invention. A through groove penetrating in the thickness direction is formed in the bottom wall of the first accommodating portion, and at least a part of the first heat sink is embedded in the through groove.
According to an embodiment of the invention. The second heat dissipation member includes: the heat dissipation device comprises a heat dissipation shell, a first heat dissipation piece and a second heat dissipation piece, wherein the heat dissipation shell is provided with a heat dissipation cavity suitable for containing at least part of the first heat dissipation piece, and the bottom wall of the heat dissipation cavity is attached to the second heat conduction surface of the first heat dissipation piece; and the radiating fins are arranged on the outer surface of the shell deviating from the radiating cavity.
According to an embodiment of the invention. The motor controller further includes: and a bus capacitor, wherein a second accommodating part suitable for accommodating the bus capacitor is formed in the controller shell.
According to an embodiment of the present invention. The second accommodating part faces one side of the heat dissipation shell and is attached to the bottom wall of the heat dissipation cavity.
The vehicle according to the present invention is briefly described below.
According to the utility model discloses a be provided with any one of the machine controller in the above-mentioned embodiment in the vehicle, because according to the utility model discloses a be provided with the machine controller in the above-mentioned embodiment on the vehicle, consequently this vehicle has avoided the heat in the short time too high under the circumstances of start-up or machine controller heavy load, and the while integrated level is high, and the leakproofness is good, and the degree of difficulty of technology is low, is difficult for taking place the short circuit risk.
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
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a motor controller according to an embodiment of the present invention;
fig. 2 is an exploded view of a motor controller according to an embodiment of the present invention;
fig. 3 is an exploded view of another orientation of a motor controller according to an embodiment of the present invention;
fig. 4 is a cross-sectional view of a first heat sink according to an embodiment of the present invention;
fig. 5 is a schematic view of a first heat dissipation element cooperating with a second heat dissipation element according to another embodiment of the present invention.
Reference numerals:
Through the slot 70.
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 accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
In the related art, the phase change material is placed in a shell of the motor controller, the sealing performance needs to be guaranteed, the process difficulty is high, the poor process effect can cause the phase change material to volatilize during phase change, the material volatilizes into the controller, and the controller can be possibly disabled.
A motor controller according to an embodiment of the present invention is described below with reference to fig. 1 to 5.
According to the utility model discloses a motor controller includes the controller casing, power device 40, first radiating piece 60 and second radiating piece 30, be formed with first accommodation portion in the casing, power device sets up in first accommodation portion, the heat that has phase transition medium and is suitable for through phase transition medium phase transition absorption power device 40 is stored in first radiating piece 60, second radiating piece 30 is provided with the heat transfer surface, heat transfer surface and power device 40 and/or first radiating piece 60 butt, second radiating piece 30 is suitable for the temperature with cooling medium contact in order to reduce power device 40 and/or first radiating piece 60.
The utility model discloses in order to avoid power device 40 to take place risks such as short circuit, through setting up first radiating part 60 to the inside storage of first radiating part 60 has phase change medium, in order to be suitable for under the condition of short time and heavy load, the in-process of phase change medium phase transition in first radiating part 60 with a large amount of heats that power device 40 produced absorbs, thereby avoids the heat of machine controller in the short time too high, has improved machine controller's reliability.
Furthermore, the utility model discloses in still be provided with second heat dissipation piece 30, second heat dissipation piece 30 can be used for dispelling the heat to first heat dissipation piece 60 and/or power during to satisfy the heat dissipation demand of first heat dissipation piece 60 and the heat dissipation demand of power device 40 under normal operating mode, second heat dissipation piece 30 can be through contacting the heat conduction with external coolant, thereby derive the produced heat of power device 40.
It should be noted that the cooling medium for cooling the second heat dissipation element 30 may be liquid or gas, and it is understood that the second heat dissipation element 30 is air-cooled heat dissipation or liquid-cooled heat dissipation.
According to the motor controller of the utility model, the first heat sink 60 is arranged, the phase change medium stored inside is used for solving the problem of overhigh heat in a short time, and the phase change medium is contained inside the first heat sink 60 without the risk of leakage, thereby improving the practicability of the motor controller and reducing the short circuit risk of the motor controller; meanwhile, the motor controller is provided with the second heat dissipation part 30, the second heat dissipation part 30 dissipates heat by using a heat dissipation medium, the heat dissipation capacity of the motor controller is improved, heat dissipation paths of the motor controller are enriched, and the reliability of the motor controller in the use process is guaranteed.
The motor controller of this application has integrateed phase change heat dissipation and forced air cooling heat dissipation, under the same condition of radiating effect, has reduced the degree of difficulty of technology, and the enforceability is higher, and the phase change medium can be changed according to the demand simultaneously, selects the phase change medium of different fusing points, boiling point to satisfy the demand under the corresponding operating mode.
According to an embodiment of the present invention, the first heat dissipation element 60 is disposed between the power module and the second heat dissipation element 30, the first heat dissipation element 60 has a first heat conduction surface and a second heat conduction surface, the first heat conduction surface is disposed in contact with the power device 40, the second heat conduction surface is disposed in contact with the heat transfer surface, the first heat dissipation element 60 is disposed between the power module and the second heat dissipation element 30, the heat generated by the power module is firstly conducted to the first heat dissipation element 60, the first heat dissipation element 60 absorbs the heat generated by the power module through the first heat conduction element, the first heat dissipation element 60 conducts the absorbed heat to the second heat dissipation element 30, the heat is transferred by the second heat conduction surface in contact with the heat transfer surface, and the heat generated by the power module is finally transferred to the external cooling medium through the second heat dissipation element 30.
According to the utility model discloses an embodiment, first radiating piece 60 includes heat conduction casing 64 and sealed lid 62, it holds the chamber to be formed with one section open phase transition medium in the heat conduction casing 64, phase transition medium holds in the phase transition medium holds the intracavity, sealed lid 62 sets up the one end of on the casing and seal heat conduction casing 64, one side that sealed lid 62 deviates from the phase transition medium and holds the chamber is formed with the first heat conduction face that is used for laminating with power device 40, sealed lid 62 detachable sets up, make phase transition medium that phase transition medium held the intracavity change and supply, make first radiating piece 60 modularization, can change at any time, power device 40 according to the different grade type replaces the phase transition medium in to first radiating piece 60, the flexibility is good to adapt to extensively.
According to the utility model discloses an embodiment, the other end in the heat conduction casing 64 thickness direction is formed with the second heat conduction face that is suitable for with the laminating of second radiating element 30, the second heat conduction face is used for carrying out heat transfer with the contact of second radiating element 30, the area of second heat conduction face is more than or equal to the area of first heat conduction face, thereby the area of contact between first radiating element 60 and the second radiating element 30 has been improved, the heat transfer rate between first radiating element 60 and the second radiating element 30 has been improved, machine controller's radiating efficiency has been accelerated.
According to an embodiment of the present invention, the first heat dissipating member 60 is configured as an annular heat dissipating member, an inner periphery of the annular heat dissipating member is formed with an annular heat dissipating surface, the second heat dissipating member 30 is formed with the protruding portion 33, a free end of the protruding portion 33 is formed with a first heat transfer surface adapted to be attached to the power device 40, and an outer periphery of the protruding portion 33 is formed with a second heat transfer surface in contact with the annular heat dissipating surface. The first heat sink 60 is configured in a ring shape, and an end surface of the first heat sink 60 is in contact with the power device 40, thereby absorbing large heat in a short time by phase change of the internal phase change medium. The annular heat dissipation member is formed with a connection passage for accommodating at least a part of the second heat dissipation member 30, the protrusion 33 provided on the second heat dissipation member 30 penetrates the connection passage, a first heat transfer surface is formed at an end of the protrusion 33 for contacting with the power device 40, the power device 40 is radiated by the second heat dissipation member 30, and an outer periphery of the protrusion 33 contacts with an inner peripheral wall of the connection passage, so that the second heat dissipation member 30 dissipates heat through the protrusion 33, and the heat of the second heat dissipation member 30 is conducted through the first heat dissipation member 60.
According to an embodiment of the present invention, the bottom wall of the first accommodating portion is formed with a through groove 70 penetrating in the thickness direction, at least a part of the first heat dissipating member 60 is embedded in the through groove 70, the through groove 70 avoids the first heat dissipating member 60 so as to install the first heat dissipating member 60 in the first accommodating portion, and the size of the motor controller can be reduced.
In some embodiments of the present invention, the motor controller further includes a controller housing 10, a first accommodating portion for accommodating the power device 40 is formed in the controller housing 10, and the first conducting surface of the first heat dissipating member 60 is configured as at least a partial inner wall of the first accommodating portion, it can be understood that the first heat dissipating member 60 is embedded on the controller housing 10, or an opening is provided on the controller housing 10, and at least a part of the first heat dissipating member 60 is located in the opening, and the first conducting surface of the first heat dissipating member 60 forms a part of the inner wall of the first accommodating portion and is attached to the power device 40. By configuring the first conductive surface of the first heat sink 60 as a portion of the inner wall of the first receiving portion, the degree of integration of the motor controller can be improved, and the volume of the motor controller can be reduced.
According to an embodiment of the present invention, the second heat sink 30 includes a heat dissipation casing and heat dissipation fins 31, the heat dissipation casing is formed with a heat dissipation cavity 32 adapted to accommodate at least a portion of the first heat sink 60, and a bottom wall of the heat dissipation cavity 32 is attached to the second heat conduction surface of the first heat sink 60. Through the fastening connection between the terminal surface of heat dissipation casing and the diapire of controller casing 10, the heat dissipation chamber 32 that forms in the heat dissipation casing can be used for holding first heat dissipation piece 60, improves the holistic integrated level of motor controller, prevents simultaneously that the inside phase change medium of first heat dissipation piece 60 from revealing, can also realize sealed bottom motor controller.
The heat dissipating fins 31 are disposed at the bottom of the heat dissipating housing, the motor controller may be mounted on the vehicle, and during the driving of the vehicle, the airflow passes through the heat dissipating fins 31 to take away the heat, and of course, the heat dissipating fins 31 may be accommodated in the cooling water channel to dissipate the heat of the second heat dissipating member 30 through the liquid cooling medium. The arrangement of the heat dissipation fins 31 increases the contact area of the second heat dissipation member 30 with the cooling medium, and improves the heat dissipation effect.
According to the utility model discloses an embodiment, machine controller still includes bus-bar capacitance 50, is provided with the second portion of accommodating 20 that is suitable for holding bus-bar capacitance 50 on the controller casing 10, second portion of accommodating 20 orientation one side of heat dissipation casing with the diapire laminating setting in heat dissipation chamber 32. The second accommodating portion 20 is formed with a capacitor accommodating cavity for accommodating the bus capacitor 50 therein, and the bottom wall of the second accommodating portion 20 is opposite to the capacitor accommodating cavity, and the second accommodating portion 20 is attached to the bottom wall of the heat dissipation cavity 32, so that the heat generated by the bus capacitor 50 is conducted out by the second heat sink 30.
The vehicle according to the present invention is briefly described below.
According to the utility model discloses a be provided with arbitrary one of the above-mentioned embodiment in the vehicle motor controller, because according to the utility model discloses a be provided with the motor controller in the above-mentioned embodiment on the vehicle, consequently this vehicle has avoided the heat in the short time too high under the circumstances of start-up or motor controller heavy load, and the integrated level is high simultaneously, and the leakproofness is good, and the degree of difficulty of technology is low, is difficult for taking place the short circuit risk.
A motor controller according to the present invention will be described below according to an embodiment of the present invention.
The motor controller includes a controller case 10, a power device 40, a bus capacitor 50, a first heat sink 60, and a second heat sink 30.
In the present invention, a phase change material is installed inside the first heat sink 60, which may be solid-solid phase change; the utility model discloses to the electric motor car just start, the speed of a motor vehicle is low, generate heat seriously and the heat dissipation amount of wind is under the serious not enough condition, absorbs a large amount of latent heat characteristics when utilizing the phase change material phase transition, reduces power chip temperature fast, reaches rapid cooling's purpose, does not influence the driving impression of user in the start-up stage.
Compared with the conventional heat dissipation type, the phase-change material only generates physical state transformation, does not have moving parts, does not consume energy, has high reliability, small expansion and contraction, good heat conductivity, cheap and easily obtained raw materials, does not depend on temperature difference for heat dissipation, is not influenced by the temperature change of the external environment, ensures that elements or equipment are always stabilized at the required temperature, and can be used for working under the severe mechanical conditions of vibration, impact, acceleration and the like.
In the utility model, the power device 40 is fixed on the controller shell 10, the first heat sink 60 is tightly attached to the power device 40 and is fixed on the controller shell 10, when the electric vehicle starts, the power device 40 generates heat, the heat is quickly absorbed and stored by the first heat sink 60, and the power device 40 is ensured to work at a proper temperature; while the first heat sink 60 slowly conducts heat to the air through the second heat sink 30.
Compared with the prior art, the utility model discloses a first radiating part 60 utilizes the phase change medium to absorb heat, when whole car accelerates or starts, utilizes phase change material to absorb a large amount of latent heat when deformation, stores in first radiating part, then slowly conducts away the heat through the casing and the heat dissipation pin fin of second radiating part 30.
The utility model discloses an integrated phase change material and radiating machine controller of forced air cooling just starts at the electric motor car, the speed of a motor vehicle is low, generate heat seriously and the heat dissipation amount of wind is under the serious not enough condition, absorbs a large amount of latent heat characteristics when utilizing the phase change material phase transition, and the chip temperature of reducing power fast reaches rapid cooling's purpose, does not influence the driving impression of user in the start-up stage, reduces whole car cost simultaneously.
Further, a first accommodating portion is formed inside the controller housing 10, and provides mounting and fixing positions for each component, so as to play a role in dust prevention and water prevention; a bus capacitor 50 for absorbing noise on the high voltage bus; the power device 40 is controlled by the driving board, converts high-voltage direct current into three-phase alternating current and controls the motor to drive; a first heat sink 60, integrated with a phase change material, for absorbing heat generated by the operation of the power device 50; and a second heat dissipation member 30 for transferring heat in the first heat dissipation member 60 to the air.
As shown in fig. 1 and 2, the power device 40 is fixedly mounted on the controller housing 10; the bus capacitor 50 is fixedly embedded in the second accommodating part 20 on the controller shell 10; the first heat sink 60 is fixed from the bottom of the controller housing 10, the phase change material is embedded into the controller housing 10 and tightly attached to the bottom of the power device 40, and the included gap is bonded by using a heat conductive adhesive or the like. The second heat sink 30 is installed at a position below the motor controller, and the second heat sink 30 externally surrounds the first heat sink 60 and a protruding step surface below the second receiving portion 20; the bottom surface of the cavity inside the second heat dissipation member 30 is attached to the lower surfaces of the first heat dissipation member 60 and the second accommodation portion 20 for heat dissipation, and the connection can be realized by using heat-conducting glue. In this embodiment, the second heat dissipation element 30 can dissipate heat of the power device 40 and meet the heat dissipation requirement of the bus capacitor 50.
As shown in fig. 3, the surface of the second heat sink 30 is attached with heat dissipation fins 31, and the heat dissipation direction of the heat dissipation fins 31 can be adjusted according to the actual installation position of the electric vehicle, so as to meet the maximum heat dissipation efficiency; the first heat dissipation member 60 and the controller housing 10 are connected and fixed by bolts 61, a sealing groove 11 is designed on the mounting surfaces of the controller housing 10 and the first heat dissipation member 60, and a sealing ring can be added into the sealing groove 11 to solve the sealing problem between the first heat dissipation member 60 and the controller housing 10.
As shown in fig. 4, the present invention provides a first heat sink 60, which comprises a heat conductive shell 64, a phase change material 63, and a sealing cover 62; the thermally conductive housing 64 may be any metal with high thermal conductivity, in particular embodiments, the present invention uses aluminum or copper materials; phase change material 63 absorbs a large amount of latent heat during phase change, reduces the temperature of the power chip, in the specific embodiment, the utility model discloses use the solid-solid phase change material based on carbon back, phase change temperature is 70 ℃, the coefficient of heat conductivity is 5w/m.k, this material phase change temperature is in the front end that power device restricted power, deformation volume is little when taking place the phase change, is favorable to the design of radiator plate structure, the state is stable; as an expansion scheme, in the specific embodiment, the utility model can also use phase-change materials with other forms;
the sealing cover 62: after the phase change material 63 is filled in the heat conducting shell 64, the sealing cover 62 can be added; the sealing cover 62 can be welded and sealed with the heat conducting shell 64 by adopting a direct welding mode, and can be connected by adopting bolts and realize a sealing effect by adding a sealing ring.
According to the scheme, the first heat radiating piece made of the phase-change material is used in the motor controller, the temperature can be quickly reduced by utilizing the characteristic that the phase-change material absorbs a large amount of heat during phase change, in a specific embodiment, when the motor controller works and the temperature reaches 70 ℃, the phase-change material deforms, the heat is quickly absorbed, the temperature is stabilized at 70 ℃, the power of a device is not limited, the user experience is guaranteed, and the service life of the device is prolonged; meanwhile, the temperature is slowly conducted to the air through the shell and the radiator, and when the temperature is lower than 70 ℃, the phase change material slowly releases the stored heat and restores the state before phase change, so that the phase change material 63 in the first heat dissipation member 60 can be replaced.
As shown in fig. 5, the first heat sink 60 may be replaced with an annular first heat sink 65 structure; the heat absorbing body 33 extends out of the inner cavity of the controller shell 32 to be attached to the power module 40, so that air cooling direct heat dissipation is realized. In this solution, air-cooled heat dissipation and metal heat conduction are the main heat dissipation methods, and when a large current impact occurs to the power module 40, the annular first heat dissipation member 65 can absorb the heat transferred from the power module to the heat absorption block 33, so as to achieve the purpose of assisting in reducing the temperature. When the temperature is flattened, the phase change material dissipates heat directly through the second heat sink without affecting the power module 40.
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.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. In the description of the present invention, "a plurality" means two or more. In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween. In the description of the invention, "on", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or merely means that the first feature is higher in level than the second feature.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
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 (10)
1. A motor controller, comprising:
a controller housing (10), wherein a first accommodating part is formed in the controller housing (10);
a power device (40), the power device (40) being disposed within the first housing portion;
a first heat dissipation element (60), the first heat dissipation element (60) having a phase change medium stored therein and adapted to absorb heat of the power device (40) through phase change of the phase change medium;
a second heat dissipation element (30), the second heat dissipation element (30) being provided with a heat transfer surface, the heat transfer surface being in abutment with the power device (40) and/or the first heat dissipation element (60), the second heat dissipation element (30) being adapted to be in contact with a cooling medium for reducing the temperature of the power device (40) and/or the first heat dissipation element (60).
2. The motor controller according to claim 1, wherein the first heat dissipation member (60) is disposed between the power device (40) and the second heat dissipation member (30) and the first heat dissipation member (60) has a first heat conduction surface disposed in contact with the power device (40) and a second heat conduction surface disposed in contact with the heat transfer surface.
3. The motor controller according to claim 2, wherein the first heat sink (60) comprises:
the phase change medium storage device comprises a heat conduction shell (64), wherein a phase change medium containing cavity with one open end is formed in the heat conduction shell (64);
the sealing cover (62), sealing cover (62) set up with on the casing and seal one end, sealing cover (62) deviate from one side of phase change medium holding chamber is formed with first heat-conducting surface.
4. The motor controller according to claim 3, wherein the other end of the heat conductive housing (64) in the thickness direction is formed with a second heat conductive surface adapted to be fitted to the second heat dissipation member (30), the area of the second heat conductive surface being greater than or equal to the area of the first heat conductive surface.
5. A motor controller according to claim 1, wherein the first heat dissipating member (60) is configured as an annular heat dissipating member having an inner periphery formed with an annular heat dissipating surface, the second heat dissipating member (30) is formed with a protruding portion (33), a free end of the protruding portion (33) forms a first heat transfer surface adapted to be in abutment with the power device (40), and an outer periphery of the protruding portion (33) forms a second heat transfer surface in contact with the annular heat dissipating surface.
6. The motor controller according to claim 1, wherein a bottom of the first receiving portion is provided with a through groove (70) penetrating in a thickness direction, and at least a part of the first heat sink (60) is fitted in the through groove (70).
7. A motor controller according to claim 1, characterized in that the second heat dissipation element (30) comprises:
the heat dissipation device comprises a heat dissipation shell, wherein a heat dissipation cavity (32) suitable for containing at least part of a first heat dissipation piece (60) is formed in the heat dissipation shell, and the bottom wall of the heat dissipation cavity (32) is attached to a second heat conduction surface of the first heat dissipation piece (60);
the heat dissipation cavity (32) is arranged on the shell, and the heat dissipation fins (31) are arranged on the outer surface of the shell, which deviates from the heat dissipation cavity (32).
8. The motor controller of claim 7, further comprising: and a bus capacitor (50), wherein a second accommodating part (20) for accommodating the bus capacitor (50) is formed in the controller shell (10).
9. The motor controller according to claim 8, characterized in that the second receiving portion (20) is disposed in abutment with a bottom wall of the heat dissipation chamber (32) toward a side of the heat dissipation housing.
10. A vehicle characterized by comprising a motor controller according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221348665.8U CN218244174U (en) | 2022-05-31 | 2022-05-31 | Motor controller and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221348665.8U CN218244174U (en) | 2022-05-31 | 2022-05-31 | Motor controller and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN218244174U true CN218244174U (en) | 2023-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221348665.8U Active CN218244174U (en) | 2022-05-31 | 2022-05-31 | Motor controller and vehicle |
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| CN (1) | CN218244174U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116634738A (en) * | 2023-05-31 | 2023-08-22 | 成都赛力斯科技有限公司 | Vehicle-mounted high-power chip heat dissipation method, device and system |
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2022
- 2022-05-31 CN CN202221348665.8U patent/CN218244174U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116634738A (en) * | 2023-05-31 | 2023-08-22 | 成都赛力斯科技有限公司 | Vehicle-mounted high-power chip heat dissipation method, device and system |
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