CN109216291B - Radiator for power module and vehicle with radiator - Google Patents
Radiator for power module and vehicle with radiator Download PDFInfo
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- CN109216291B CN109216291B CN201710516650.5A CN201710516650A CN109216291B CN 109216291 B CN109216291 B CN 109216291B CN 201710516650 A CN201710516650 A CN 201710516650A CN 109216291 B CN109216291 B CN 109216291B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/367—Cooling facilitated by shape of device
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/42—Fillings or auxiliary members in containers or encapsulations selected or arranged to facilitate heating or cooling
- H01L23/433—Auxiliary members in containers characterised by their shape, e.g. pistons
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/46—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
- H01L23/473—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids by flowing liquids
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/07—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L29/00
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
Abstract
The invention discloses a radiator for a power module and a vehicle with the same, wherein the radiator for the power module comprises: the heat dissipation flat tubes are arranged at intervals in the front-back direction, a power device of the power module is clamped between two adjacent heat dissipation flat tubes, and the front surface of each heat dissipation flat tube is provided with a front water passing interface while the rear surface of each heat dissipation flat tube is provided with a rear water passing interface; and in the adjacent two flat heat dissipation pipes, the rear water passing interface of the flat heat dissipation pipe positioned in front is connected with the front water passing interface of the flat heat dissipation pipe positioned in rear in a pluggable manner. The radiator for the power module has the advantages of good radiating effect, low cost, high production efficiency and the like.
Description
Technical Field
The invention relates to the technical field of radiators, in particular to a radiator for a power module and a vehicle with the radiator for the power module.
Background
In the related technology, the flat heat dissipation pipes of the radiator are connected by welding, and the process is complex and has high cost. Due to the high temperature of the welding, the power module must be mounted between the two flat heat dissipation tubes after the heat sink is manufactured. Therefore, high precision tolerance is required when the two heat dissipation flat pipes are welded and connected, the welding process is complex, and the cost of the radiator is high. And whether too tight or too loose when unable management and control power module inserts leads to power module to receive the extrusion or power module and heat dissipation flat pipe contact inseparable, and the radiating efficiency is low.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the radiator for the power module, and the radiator for the power module has the advantages of good radiating effect, low cost, high production efficiency and the like.
The invention also provides a vehicle with the radiator for the power module.
To achieve the above object, an embodiment according to a first aspect of the present invention proposes a heat sink for a power module, including: the heat dissipation flat tubes are arranged at intervals in the front-back direction, a power device of the power module is clamped between two adjacent heat dissipation flat tubes, and the front surface of each heat dissipation flat tube is provided with a front water passing interface while the rear surface of each heat dissipation flat tube is provided with a rear water passing interface; in two adjacent flat heat dissipation pipes, the rear water passing interface of the flat heat dissipation pipe positioned in the front is connected with the front water passing interface of the flat heat dissipation pipe positioned in the rear in a pluggable manner.
The radiator for the power module provided by the embodiment of the invention has the advantages of good radiating effect, low cost, high production efficiency and the like.
In addition, the heat sink for the power module according to the above embodiment of the present invention may further have the following additional technical features:
according to one embodiment of the invention, the front water passing interface is connected with a front connecting ring, the rear water passing interface is connected with a rear connecting ring, and one of the rear connecting ring of the front heat flat pipe and the front connecting ring of the rear heat flat pipe in two adjacent heat flat pipes is matched in a pluggable manner in the other heat flat pipe. Therefore, the front connecting ring and the rear connecting ring can be used for connecting two adjacent heat dissipation flat pipes.
According to one embodiment of the invention, in the front connecting ring and the rear connecting ring which are connected, the outer circumferential surface of one of the inner side is provided with an annular clamping table extending along the circumferential direction, and the inner circumferential surface of one of the outer side is provided with an annular clamping groove extending along the circumferential direction, wherein the annular clamping table is suitable for being clamped in the annular clamping groove. This facilitates to improve the operational reliability of the heat sink for power module after assembly.
Optionally, a sealing ring for sealing a gap between the front connecting ring and the rear connecting ring is arranged between the front connecting ring and the rear connecting ring. Therefore, the sealing performance between two adjacent heat dissipation flat pipes can be improved.
According to a specific embodiment of the invention, the end surface of the free end of the inner one of the front and rear connecting rings that is connected stops against the sealing ring. This allows the end face of the free end to be used to locate the seal.
According to another embodiment of the present invention, an inner positioning groove is formed on an outer circumferential surface of one of the front connection ring and the rear connection ring connected thereto and an outer positioning groove is formed on the other, and the seal rings are fitted in the inner positioning groove and the outer positioning groove and clamped between the front connection ring and the rear connection ring. The sealing ring can thus be positioned by means of the inner and outer positioning grooves.
According to another embodiment of the present invention, the heat sink for a power module further comprises two clamping plates, the two clamping plates are respectively located in front of and behind the plurality of flat heat dissipation tubes, and the two clamping plates are detachably connected to clamp the plurality of flat heat dissipation tubes between the two clamping plates. The clamping plate can be used for positioning and connecting the heat dissipation flat tubes.
Furthermore, every all be equipped with the connecting rod on the splint, two the connecting rod on the splint links to each other through threaded fastener. This facilitates the mounting and dismounting of the clamping plate.
According to another embodiment of the invention, the front water passing interface comprises a front water inlet and a front water outlet, the rear water passing interface comprises a rear water inlet and a rear water outlet, the rear water inlet of the front heat dissipation flat tube in two adjacent heat dissipation flat tubes is connected with the front water outlet of the rear heat dissipation flat tube in a pluggable manner, and the rear water outlet of the front heat dissipation flat tube in two adjacent heat dissipation flat tubes is connected with the front water inlet of the rear heat dissipation flat tube in a pluggable manner; the water inlet pipe is connected to an advancing water gap of the foremost radiating flat pipe in the plurality of radiating flat pipes; and the water outlet pipe is connected to the front water outlet of the heat dissipation flat pipe positioned at the forefront in the heat dissipation flat pipes. This facilitates smooth flow of water in the radiator.
Furthermore, on each flat heat dissipation pipe, the central axes of the front water outlet and the rear water outlet are overlapped, and the central axes of the front water outlet and the rear water outlet are overlapped. This facilitates ensuring the structural stability of the heat sink.
An embodiment according to a second aspect of the invention proposes a vehicle comprising a radiator for a power module according to an embodiment of the first aspect of the invention.
According to the vehicle provided by the embodiment of the invention, by utilizing the radiator for the power module provided by the embodiment of the first aspect of the invention, the advantages of good radiating effect, low cost, high production efficiency and the like are achieved.
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 heat sink for a power module according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a heat sink for a power module according to another embodiment of the present invention.
Fig. 3 is a cross-sectional view of a heat sink for a power module according to a specific embodiment of the present invention.
Fig. 4 is a cross-sectional view of a heat sink for a power module according to another embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a heat flat tube of a heat sink for a power module according to an embodiment of the present invention.
Fig. 6 is a cross-sectional view of a heat sink flat tube for a heat sink of a power module according to an embodiment of the present invention.
Fig. 7 is a sectional view of a heat flat tube for a heat sink of a power module according to another embodiment of the present invention.
Fig. 8 is a partially enlarged view of a sectional view of a heat flat tube of a heat sink for a power module according to an embodiment of the present invention.
Fig. 9 is a partially enlarged view of a sectional view of a heat flat tube of a heat sink for a power module according to another embodiment of the present invention.
Fig. 10 is a schematic structural view of a heat flat tube of a heat sink for a power module according to an embodiment of the present invention.
Fig. 11 is an exploded view of a heat spreader tube for a heat sink of a power module according to an embodiment of the present invention.
Fig. 12 is an exploded view of a heat spreader tube for a heat sink of a power module according to another embodiment of the present invention.
Fig. 13 is a partially enlarged view of an exploded view of a heat dissipating flat tube of a heat sink for a power module according to another embodiment of the present invention.
Fig. 14 is an exploded view of a clip plate and a connecting rod for a heat sink of a power module according to another embodiment of the present invention.
Reference numerals: the heat radiator for the power module comprises a heat radiator 1, a heat radiating flat tube 100, a front water inlet 111, a front water outlet 112, a rear water inlet 121, a rear water outlet 122, a front connecting ring 130, an annular clamping groove 131, an outer positioning groove 132, a rear connecting ring 140, an annular clamping table 141, a free end surface 142, an inner positioning groove 143, a clamping plate 150, a connecting rod 160, a water inlet pipe 170, a water outlet pipe 180, a power device 200 and a sealing ring 300.
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 or similar 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 illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
A heat sink 1 for a power module according to an embodiment of the present invention is described below with reference to the drawings.
As shown in fig. 1 to 14, a heat sink 1 for a power module according to an embodiment of the present invention includes a heat flat pipe 100 and a power device 200.
The plurality of heat dissipation flat tubes 100 are arranged at intervals in the front-back direction (the front-back direction is shown by an arrow B in fig. 1-4, it should be understood that the front-back direction shown in the drawings is only for convenience of description, and is not a limitation on the specific arrangement direction of the structure), the power device 200 of the power module is clamped between two adjacent heat dissipation flat tubes 100, the front surface of each heat dissipation flat tube 100 is provided with the front water passing interface, and the rear surface of each heat dissipation flat tube 100 is provided with the rear water passing interface; in two adjacent flat heat dissipation pipes 100, the flat heat dissipation pipe 100 that is located the place ahead the back is crossed water interface and is located the flat heat dissipation pipe 100 at the back the preceding water interface of crossing is connected with can inserting.
According to the heat sink 1 for the power module in the embodiment of the present invention, the rear water passing interface of the front heat dissipating flat tube 100 and the front water passing interface of the rear heat dissipating flat tube 100 in the two adjacent heat dissipating flat tubes 100 are connected in a pluggable manner, so that the two adjacent heat dissipating flat tubes 100 are assembled and connected. Because the radiator in the related art needs to be welded and formed to the whole radiator, and then the power module is installed between two adjacent heat dissipation flat pipes of the radiator, the welding and forming need very high precision tolerance, the welding process is complex, and the operation difficulty is large. Compared with radiators welded with the heat dissipation flat tubes in the related art, the heat dissipation flat tubes 100 in the radiator 1 are in assembly connection, the power device 200 is installed between the two adjacent heat dissipation flat tubes while the two adjacent heat dissipation flat tubes are in assembly connection, and then the whole radiator 1 is assembled and molded by the method, so that the production and the processing of the radiator 1 are facilitated, the production efficiency of the radiator 1 is improved, and the production cost of the radiator 1 is reduced.
Moreover, two adjacent heat dissipation flat tubes 100 of the heat sink 1 for the power module are connected in a pluggable manner, and compared with a heat sink in a welded connection with the heat dissipation flat tubes in the related art, the problem that the power device 200 is too tight when inserted into the middle of the two adjacent heat dissipation flat tubes 100 is avoided, and the power device 200 is prevented from being extruded, even the power device 200 is prevented from being damaged. Or the power device 200 is prevented from being too loose when inserted into the middle of two adjacent heat dissipation flat tubes 100, so that the power device 200 is prevented from being incapable of being in close contact with the heat dissipation flat tubes 100, the heat dissipation efficiency of the heat sink 1 is improved, and the reliability and the stability of the heat sink 1 are improved.
In addition, the flat heat dissipation pipe 100 assembly connection of the heat radiator 1 for the power module can improve the structural flexibility of the heat radiator 1, can enable the flat heat dissipation pipe 100 to be disassembled, and only needs to process the damaged flat heat dissipation pipe 100 when the flat heat dissipation pipe 100 is damaged, so that the service life of the heat radiator 1 is prolonged, the use efficiency of the heat radiator 1 is improved, and the use cost of the heat radiator 1 is reduced.
Therefore, the heat sink 1 for a power module according to the embodiment of the present invention has the advantages of good heat dissipation effect, low cost, high production efficiency, and the like.
A heat sink 1 for a power module according to a specific embodiment of the present invention is described below with reference to the accompanying drawings.
In some embodiments of the present invention, as shown in fig. 1 to 14, a heat sink 1 for a power module according to an embodiment of the present invention includes a heat flat pipe 100 and a power device 200.
Specifically, as shown in fig. 6 and 7, a front connection ring 130 is connected to the front water passing interface, a rear connection ring 140 is connected to the rear water passing interface, and one of the rear connection ring 140 of the front flat heat dissipation tube 100 and the front connection ring 130 of the rear flat heat dissipation tube 100 in two adjacent flat heat dissipation tubes 100 is detachably engaged with the other. Specifically, the front connection ring 130 and the rear connection ring 140 are disposed near both ends of the flat heat dissipation pipe 100. Therefore, the front connecting ring 130 and the rear connecting ring 140 can be used for connecting two adjacent heat dissipation flat tubes 100, so that the connection of the heat dissipation flat tubes 100 in the heat sink 1 for the power module is facilitated, and the assembly molding of the heat sink 1 is facilitated.
According to some embodiments of the present invention, as shown in fig. 8 and 9, of the front and rear connecting rings 130 and 140 connected, an outer circumferential surface of an inner one is provided with a circumferentially extending annular catch 141 and an inner circumferential surface of an outer one is provided with a circumferentially extending annular catch groove 131, the annular catch 141 being adapted to be caught in the annular catch groove 131. In this way, the flat heat dissipation tubes 100 can be positioned and connected by using the annular clamping platforms 141 and the annular clamping grooves 131, so that the front connection rings 130 and the rear connection rings 140 are prevented from being separated from each other, and the operational reliability of the heat sink 1 for the power module after assembly is improved.
According to an embodiment of the present invention, as shown in fig. 8, the rear connection ring 140 of the front flat heat dissipating tube 100 of the two adjacent flat heat dissipating tubes 100 is detachably fitted in the front connection ring 130 of the rear flat heat dissipating tube 100, an annular locking step 141 extending along the circumferential direction of the rear connection ring 140 is provided on the outer circumferential surface of each rear connection ring 140, an annular locking groove 131 extending along the circumferential direction of the front connection ring 130 is provided on the inner circumferential surface of the front connection ring 130, and the annular locking step 141 is locked in the annular locking groove 131 of the front connection ring 130 connected to the rear connection ring 140 where the annular locking step 141 is located. The flat heat dissipation pipe 100 can be positioned and connected by the annular clamping table 141 and the annular clamping groove 131, so that the power module radiator 1 can be assembled conveniently, and the assembling reliability and stability of the radiator 1 can be improved conveniently.
Alternatively, as shown in fig. 6 to 9, a sealing ring 300 for sealing a gap between the front connection ring 130 and the rear connection ring 140 connected thereto is provided therebetween. Specifically, the front end surface of the rear connection ring 140 presses the seal ring 300. Can utilize sealing washer 300 to improve the leakproofness between two adjacent flat heat dissipation pipes 100 like this, guarantee the reliable sealing in the flat heat dissipation pipe 100 interior water route, prevent to be used for power module's radiator 1 to take place to leak, be convenient for improve radiator 1's sealing performance.
In one embodiment of the present invention, as shown in fig. 8, the end surface of the free end of the inner one of the front and rear connection rings 130 and 140 connected thereto abuts against the seal ring 300. In this way, the end surface 142 of the free end of one of the front connecting ring 130 and the rear connecting ring 140 located on the inner side can be used to position the sealing ring 300, and the sealing performance between two adjacent flat heat dissipation tubes 100 can be further improved.
In another embodiment of the present invention, as shown in fig. 13, one of the front and rear connection rings 130 and 140 connected is provided at an outer circumferential surface thereof with an inner positioning groove 143 and the other is provided with an outer positioning groove 132, and the sealing ring 300 is fitted into the inner and outer positioning grooves 143 and 132 and clamped between the front and rear connection rings 130 and 140. Therefore, the inner positioning groove 143 and the outer positioning groove 132 can be used for positioning the sealing ring 300, the position accuracy of the sealing ring 300 is ensured, and the sealing performance of the sealing ring 300 is prevented from being influenced by the position inaccuracy of the sealing ring 300.
According to another embodiment of the present invention, as shown in fig. 2 and 14, the heat sink 1 for a power module further includes two clamping plates 150, the two clamping plates 150 are respectively located in front of and behind the plurality of heat dissipation flat tubes 100, and the two clamping plates 150 are detachably connected to clamp the plurality of heat dissipation flat tubes 100 between the two clamping plates 150. Therefore, the clamping plate 150 can be used for positioning and connecting the flat heat dissipation pipe 100, and the assembling and the forming of the heat sink 1 are also facilitated.
Specifically, as shown in fig. 2 and 14, each clamping plate 150 is provided with a connecting rod 160, and the connecting rods 160 of the two clamping plates 150 are connected by a threaded fastener. Therefore, the reliability and the stability of the fixed connection between the connecting rods 160 can be guaranteed, the clamping plate 150 can be conveniently mounted and dismounted, and the clamping plate 150 can be further conveniently used for positioning and connecting the flat heat dissipation pipe 100.
Optionally, as shown in fig. 6, the front water passing interface includes a front water inlet 111 and a front water outlet 112, the rear water passing interface includes a rear water inlet 121 and a rear water outlet 122, the rear water inlet 121 of the front flat heat dissipation tube 100 in two adjacent flat heat dissipation tubes 100 is connected to the front water outlet 112 of the rear flat heat dissipation tube 100 in a pluggable manner, and the rear water outlet 122 of the front flat heat dissipation tube 100 in two adjacent flat heat dissipation tubes 100 is connected to the front water inlet 111 of the rear flat heat dissipation tube 100 in a pluggable manner. The water inlet pipe 170 is connected to the water inlet 111 of the foremost flat heat dissipation pipe 100 among the flat heat dissipation pipes 100, and the water outlet pipe 180 is connected to the front water outlet 112 of the foremost flat heat dissipation pipe 100 among the flat heat dissipation pipes 100. It should be understood here that the water inlet pipe 170 and the water outlet pipe 180 are structures of the radiator 1 itself for the power module, and are not used for connecting the radiator 1 to an external pipe. Therefore, all the heat dissipation flat tubes 100 in the heat sink 1 are communicated with the water inlet tube 170 and the water outlet tube 180, so that the smooth flow of water flow in the heat sink 1 is facilitated, and the heat dissipation performance of the heat sink 1 is ensured.
Further, on each flat heat dissipation pipe 100, the central axes of the front water inlet 111 and the rear water outlet 122 coincide, and the central axes of the front water outlet 112 and the rear water inlet 121 coincide. Not only can be convenient for flat pipe 100's of heat dissipation erection joint like this, can improve the structural strength who is used for power module's radiator 1 moreover, guarantee radiator 1's structural stability.
Specifically, as shown in fig. 1 to 4, the plurality of heat dissipation flat tubes 100 are parallel to each other. Thus, the power device 200 can be conveniently arranged and installed, and the heat dissipation flat tube 100 can conveniently dissipate heat of the power device 200.
Of course, the clamping plate 150 may not be provided, and the positioning ring table 141 and the positioning groove 131 may not be provided on the front connection ring 130 and the rear connection ring 140. The flat heat dissipation pipes 100 can be clamped and fixed by external structures such as a box body.
Specifically, the power module may be an IGBT module.
A vehicle according to an embodiment of the invention is described below. The vehicle according to the embodiment of the invention includes the radiator 1 for the power module according to the above-described embodiment of the invention.
According to the vehicle of the embodiment of the invention, by using the radiator 1 for the power module according to the above embodiment of the invention, the advantages of good heat radiation effect, low cost, high production efficiency and the like are achieved.
Other configurations and operations of vehicles according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description of the present invention, it is to be understood that the terms "central," "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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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 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 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 (8)
1. A heat sink for a power module, comprising:
the heat dissipation flat tubes are arranged at intervals in the front-back direction, a power device of the power module is clamped between two adjacent heat dissipation flat tubes, and the front surface of each heat dissipation flat tube is provided with a front water passing interface while the rear surface of each heat dissipation flat tube is provided with a rear water passing interface; in two adjacent flat radiating pipes, a rear water passing interface of the flat radiating pipe positioned in front is connected with a front water passing interface of the flat radiating pipe positioned in rear in a pluggable manner;
the front water passing interface is connected with a front connecting ring, the rear water passing interface is connected with a rear connecting ring, and one of the rear connecting ring of the front heat radiating flat tube and the front connecting ring of the rear heat radiating flat tube in the two adjacent heat radiating flat tubes can be matched in the other heat radiating flat tube in a pluggable manner;
in the front connecting ring and the rear connecting ring which are connected, an annular clamping table extending along the circumferential direction is arranged on the outer circumferential surface of one inner side of the front connecting ring and the rear connecting ring, an annular clamping groove extending along the circumferential direction is arranged on the inner circumferential surface of one outer side of the rear connecting ring, and the annular clamping table is suitable for being clamped in the annular clamping groove;
and a sealing ring for sealing a gap between the front connecting ring and the rear connecting ring is arranged between the front connecting ring and the rear connecting ring which are connected.
2. The heat sink for a power module as claimed in claim 1, wherein an end surface of a free end of an inner one of the front and rear connection rings connected abuts against the sealing ring.
3. The heat sink for a power module as recited in claim 1, wherein an outer peripheral surface of one of the front connection ring and the rear connection ring connected is provided with an inner positioning groove and the other is provided with an outer positioning groove, and the seal rings are fitted in the inner and outer positioning grooves and held between the front connection ring and the rear connection ring.
4. The heatsink for a power module according to claim 1, further comprising two clamping plates, the two clamping plates being respectively located in front of and behind the plurality of flat heatsink tubes, the two clamping plates being detachably connected to clamp the plurality of flat heatsink tubes between the two clamping plates.
5. The heat sink for power module as claimed in claim 4, wherein each of the clamping plates is provided with a connecting rod, and the connecting rods of the two clamping plates are connected by a threaded fastener.
6. The heat sink for the power module according to claim 1, wherein the front water passing interface comprises a front water inlet and a front water outlet, the rear water passing interface comprises a rear water inlet and a rear water outlet, the rear water inlet of the front heat flat tube in two adjacent heat flat tubes is connected with the front water outlet of the rear heat flat tube in a pluggable manner, and the rear water outlet of the front heat flat tube in two adjacent heat flat tubes is connected with the front water inlet of the rear heat flat tube in a pluggable manner;
the water inlet pipe is connected to an advancing water gap of the foremost radiating flat pipe in the plurality of radiating flat pipes;
and the water outlet pipe is connected to the front water outlet of the heat dissipation flat pipe positioned at the forefront in the heat dissipation flat pipes.
7. The heat sink for a power module according to claim 6, wherein on each flat heat dissipation pipe, the central axes of the front water inlet and the rear water outlet coincide, and the central axes of the front water outlet and the rear water outlet coincide.
8. A vehicle, characterized by comprising a radiator for a power module according to any one of claims 1-7.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710516650.5A CN109216291B (en) | 2017-06-29 | 2017-06-29 | Radiator for power module and vehicle with radiator |
| PCT/CN2018/084685 WO2019001123A1 (en) | 2017-06-29 | 2018-04-26 | Radiator for use in power module and vehicle having radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710516650.5A CN109216291B (en) | 2017-06-29 | 2017-06-29 | Radiator for power module and vehicle with radiator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109216291A CN109216291A (en) | 2019-01-15 |
| CN109216291B true CN109216291B (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710516650.5A Active CN109216291B (en) | 2017-06-29 | 2017-06-29 | Radiator for power module and vehicle with radiator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109216291B (en) |
| WO (1) | WO2019001123A1 (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1158549A (en) * | 1996-02-29 | 1997-09-03 | 中国科学院上海光学精密机械研究所 | Microchannel cooling heat sink |
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| CN201018734Y (en) * | 2006-12-28 | 2008-02-06 | 宣承实业有限公司 | Radiation fin assembly and its radiation fin |
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| CN102315184A (en) * | 2010-06-30 | 2012-01-11 | 株式会社电装 | Semiconductor device |
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| CN103999213A (en) * | 2011-12-20 | 2014-08-20 | 丰田自动车株式会社 | Semiconductor module |
| CN104992935A (en) * | 2015-06-25 | 2015-10-21 | 许继集团有限公司 | Water-cooling radiator for electric power electronic power element |
| JP2016127061A (en) * | 2014-12-26 | 2016-07-11 | トヨタ自動車株式会社 | Lamination type device |
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| JP2005191082A (en) * | 2003-12-24 | 2005-07-14 | Toyota Motor Corp | Cooling device for electrical equipment |
| JP6168082B2 (en) * | 2015-02-27 | 2017-07-26 | トヨタ自動車株式会社 | Power converter |
| CN106711109A (en) * | 2015-11-17 | 2017-05-24 | 谢彦君 | Power module |
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- 2017-06-29 CN CN201710516650.5A patent/CN109216291B/en active Active
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2018
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| CN1158549A (en) * | 1996-02-29 | 1997-09-03 | 中国科学院上海光学精密机械研究所 | Microchannel cooling heat sink |
| CN1471159A (en) * | 2003-07-11 | 2004-01-28 | 北京工业大学 | Microjet array cooling heat sink |
| CN101056525A (en) * | 2006-04-14 | 2007-10-17 | 富准精密工业(深圳)有限公司 | Heat radiator |
| CN201018734Y (en) * | 2006-12-28 | 2008-02-06 | 宣承实业有限公司 | Radiation fin assembly and its radiation fin |
| CN201167450Y (en) * | 2008-02-27 | 2008-12-17 | 奇鋐科技股份有限公司 | Combined structure of heat radiator |
| CN102315184A (en) * | 2010-06-30 | 2012-01-11 | 株式会社电装 | Semiconductor device |
| CN103999213A (en) * | 2011-12-20 | 2014-08-20 | 丰田自动车株式会社 | Semiconductor module |
| CN103378027A (en) * | 2012-04-17 | 2013-10-30 | 赛米控电子股份有限公司 | Liquid-cooled assembly with in-line power semiconductor modules and power semiconductor module |
| JP2016127061A (en) * | 2014-12-26 | 2016-07-11 | トヨタ自動車株式会社 | Lamination type device |
| CN104992935A (en) * | 2015-06-25 | 2015-10-21 | 许继集团有限公司 | Water-cooling radiator for electric power electronic power element |
| CN106601705A (en) * | 2016-12-30 | 2017-04-26 | 天津安捷励电控技术有限责任公司 | Liquid cooling structure |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019001123A1 (en) | 2019-01-03 |
| CN109216291A (en) | 2019-01-15 |
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