CN108962851A - Radiator and the shell unit of its application, the casting mould for manufacturing radiator - Google Patents
Radiator and the shell unit of its application, the casting mould for manufacturing radiator Download PDFInfo
- Publication number
- CN108962851A CN108962851A CN201810991640.1A CN201810991640A CN108962851A CN 108962851 A CN108962851 A CN 108962851A CN 201810991640 A CN201810991640 A CN 201810991640A CN 108962851 A CN108962851 A CN 108962851A
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- China
- Prior art keywords
- mold cavity
- cooling fin
- heat dissipation
- plate body
- refrigerant
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- 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
Abstract
A kind of radiator that capableing of rapid dispersion heat, the shell unit with the radiator and the casting mould for manufacturing radiator.Including the plate body that radiates, the partition for the setting that raises upward is provided on heat dissipation plate body, partition can be divided into the space on heat dissipation plate body back-shaped refrigerant channel, multiple spaced thermal columns are provided on the wall body region of the correspondence refrigerant channel on heat dissipation plate body, and thermal column raises upward setting；The cooling fin for the setting that raises upward is additionally provided on the wall body region of the correspondence refrigerant channel on heat dissipation plate body, the extending direction of the flow channel section of refrigerant channel of the cooling fin where it is arranged, cooling fin at least connects the root for the thermal column that part front and back is adjacently positioned, the height of cooling fin is less than the height of thermal column connected to it, is an integral molding structure between cooling fin, thermal column and heat dissipation plate body.
Description
Technical field
The present invention relates to radiators, the shell unit with the radiator and manufacture that one kind is capable of rapid dispersion heat
The casting mould of radiator.
Background technique
IGBT(insulated gate bipolar transistor is fitted in electric machine controller), the calorific value of IGBT is huge, in order to
Can the work of IGBT described in rapid dispersion when the heat that generates, must be set on the controller housing for accommodating the electric machine controller
Count radiator.Such as the fluid-cooled electrical machine shell disclosed in Chinese invention patent application CN201510601293.3, including casing
It is recessed to be provided with annular on the casing inner ring 101 for inner ring 101 and the casing outer ring 201 being set on the casing inner ring 101
Slot 102 forms the cooling use of annular for accommodating coolant liquid between the casing inner ring 101 and casing outer ring 201 in this way
Chamber.It is respectively arranged with and the cooling inlet 202 and liquid outlet communicated with chamber of the annular at the both ends of the casing outer ring 201
203.The bottom of annular groove 102 on the casing inner ring is welded to connect or has been wholely set for by annular groove
102 are separated into the shunting muscle in coolant flow channel, and the shunting muscle includes three along casing inner ring axis direction uniform intervals
The annular convex platform 103 of setting, the annular convex platform 103 is along the casing inner ring 101 height radially and annular groove 102
Depth it is identical, the annular groove 102 is divided into four fluid passages by three annular convex platform 103.At the bottom of the fluid passage
Turbulence columns 105 are provided on wall, turbulence columns 105 described in every two are one group, and each group of two turbulence columns are along the casing
The setting of 101 axis direction intervals is enclosed, the extending direction along the cooling chamber of the annular has been evenly spaced on multiple groups turbulence columns.This
On the one hand sample is by increasing the contact surface of electric machine casing and coolant liquid in the cooling intracavitary setting turbulence columns 105 of the annular
Product improves radiating efficiency, and on the other hand the turbulence columns 105 can break up cooling liquid stream, avoids the occurrence of coolant liquid and ring
Laminar Flow at connected in star contact surface obtains preferable Flow Field Distribution, improves rate of heat exchange and radiating efficiency.
Summary of the invention
Casing inner ring in patent CN201510601293.3 is usually used casting technique and passes through high pressure die casting machine for aluminium
Liquid stamp is formed to mold cavity.But the thermal column due to being distributed comparatively dense in the annular groove 102, in aluminium
In liquid filling process, the top of the thermal column is also easy to produce serious volume gas, cold shut, owes phenomena such as casting, greatly reduces described
The qualification rate of casing inner ring, and corresponding mold cavity is relatively thin, greatly reduces die life.
In view of the deficiencies of the prior art, one of goal of the invention of the invention is intended to be improved further radiator,
On the basis of meeting the radiating efficiency of relative efficiency, the manufacture yields of the radiator is improved.Given this present invention proposes one
Kind of radiator, including heat dissipation plate body, are provided with the partition for the setting that raises upward on the heat dissipation plate body, and the partition can be
Space on the heat dissipation plate body is divided into back-shaped refrigerant channel, the correspondence refrigerant channel on the heat dissipation plate body
Wall body region on be provided with multiple spaced thermal columns, the thermal column raises upward setting；In the heat dissipation plate body
On the correspondence refrigerant channel wall body region on be additionally provided with the cooling fin of the setting that raises upward, the cooling fin is along its institute
The refrigerant channel flow channel section extending direction arrangement, the cooling fin at least part front and back be adjacently positioned described in
The root of thermal column connects, and the height of the cooling fin is less than the height of the thermal column connected to it, the heat dissipation
It is an integral molding structure between piece, thermal column and the heat dissipation plate body.
Wherein, back-shaped refrigerant channel refers to that the refrigerant channel is the runner of detour coiling.In cooling procedure, described
Thermal column and cooling fin can be contacted directly and the heat that largely dissipates with refrigerant of the trickling in the refrigerant channel.
Wherein, the extending direction arrangement of the flow channel section of the refrigerant channel of the cooling fin where it, features described above
Define the extending direction of the cooling fin, the flow channel section of the extending direction of the cooling fin and the refrigerant channel where it
Extending direction it is almost the same, such as when the flow channel section of the refrigerant channel where the cooling fin is laterally extended, institute
Stating cooling fin is also to be laterally extended, without vertically extending.The setting of as described cooling fin can't significantly hinder to trickle
In the flowing of the refrigerant in the refrigerant channel, but also certain guiding role can be played, be conducive to the refrigerant flowing
It obtains more smooth, quick.
Wherein, the cooling fin at least connects the root for the thermal column that part front and back is adjacently positioned, described
The height of cooling fin is less than the height of the thermal column.Features described above first defines, the arrangement of the cooling fin, such as
It can be and be all connected with the cooling fin between the root for the thermal column being adjacently positioned before and after whole, or be only
It is connected with the cooling fin between the root for the thermal column that part front and back is adjacently positioned, and is adjacently positioned before and after another part
The thermal column root between be not connected with the cooling fin.Features described above also defines the cooling fin in front and back phase
Link position between the thermal column of neighbour's arrangement, the cooling fin are merely attached to the thermal column that front and back is adjacently positioned
Root and be not connected to the top of the thermal column.
Further technical solution is also possible that at least partly front and back of the corner location positioned at the refrigerant channel is adjacent
The cooling fin is not provided between the thermal column of arrangement.Wherein it is possible to be the corner location positioned at the refrigerant channel
It is all not provided with the cooling fin between the thermal column that all front and back is adjacently positioned, or is to be located only within the refrigerant stream
The cooling fin is not provided between the thermal column being adjacently positioned before and after the part of the corner location in road.In this way, omitting at least
The setting of a part of cooling fin can vacate the space for more allowing the refrigerant to flow in the corner location, convenient for cold
Matchmaker adjusts flow direction rapidly so as to be smoothly through the corner location of the refrigerant channel.
Further technical solution is also possible that the refrigerant channel includes to be connected for being connected the entrance of refrigerant inlet
Portion and outlet convergence part for being connected refrigerant exit, the refrigerant inlet are used to convey refrigerant, institute to the refrigerant channel
State refrigerant of the refrigerant exit for being discharged in the refrigerant channel；It is attached to be arranged in the entrance convergence part or/and outlet convergence part
The cooling fin is not provided between the thermal column that at least partly front and back is adjacently positioned of near field.Wherein it is possible to be to be located at
It is not set between the entrance convergence part or/and the thermal column that all front and back is adjacently positioned of outlet convergence part near zone
The cooling fin is set, or is the part front and back for being located only within the entrance convergence part or/and exporting convergence part near zone
The cooling fin is not provided between the thermal column being adjacently positioned.In this way, in practical applications also just in the refrigerant inlet
Or/and the setting of the part cooling fin is omitted in the refrigerant exit neighbouring position, can vacate for the flowing of the refrigerant
More flowing spaces, the refrigerant can be smoothly through the refrigerant exit and be discharged to except the refrigerant channel, mention
The mass rate of emission or the refrigerant of the high refrigerant can be smoothly through the refrigerant inlet and enter the refrigerant channel
Except, improve the flowing velocity of the refrigerant.
In addition, the present invention also proposes a kind of shell unit using the radiator, it include the shell with cooling chamber
The cover board of the cooling chamber is sealed with lid, the radiator setting is in cooling intracavitary, the inner bottom surface of the cover board and the institute
State the upper top surface fitting setting of the partition of radiator.Wherein, the cooling chamber can not only accommodate the radiator can also
Receiving trickling is in the refrigerant on the refrigerant channel of the radiator.In addition, the cover board can not only seal the cooling chamber,
Refrigerant can also be reduced in conjunction with the partition is directed across the upper top surface of the partition crossfire in different refrigerant channel sections
And influence the olderly flowage and cooling effect of refrigerant.
Further technical solution, which is also possible that in the shell, is additionally provided with electrical chamber, the electrical chamber and described
Cooling chamber is split up and down and the public same bottom of chamber wall, is provided with installation window on the bottom of chamber wall；The radiator
Radiating between plate body and the shell is seperated property structure, and the heat dissipation plate body is embedded in and is sealingly disposed in the installation window
It is interior；Electronic component setting is described electrical intracavitary and be connected on the heat dissipation plate body.Wherein, the heat dissipation plate body is embedding
It fills and is sealingly disposed in the installation window, features described above defines the installation site of the heat dissipation plate body, the heat sink
Body is inlaid in the filling installation window in the installation window, and seals the installation window, described cooling with intracavitary in this way
Refrigerant be substantially difficult to leak by the installation window it is described electrical intracavitary.As for the heat dissipation plate body and the installation
Sealing structure between window can there are many, such as so that the heat dissipation plate body is directly welded at the installation by welding procedure
In window.In addition, the shell has electrical chamber and the cooling chamber simultaneously, the electronics member is accommodated by the electrical chamber
Device can carry out collection protection to the electronic component, the refrigerant especially liquid of cooling chamber is avoided to drop onto
The electronic component is damaged on the electronic component.In addition, the electronic component is connected to the heat sink
On body, can by the heat dissipation plate body rapidly dissipation work when the heat that generates.Secondly, the heat dissipation plate body and the shell
It is fission structure between body, in this way, can simplify the structure of the shell, convenient for manufacture.
Further technical solution, which is also possible that, to be provided on the chamber side wall or cover board of cooling chamber for being connected to
The refrigerant inlet and refrigerant exit of the refrigerant channel of the radiator.
Further technical solution is also possible that the cover board welding is sealed in the accent position of the cooling chamber.This
Sample, the opposite sealing structure for using sealing ring, can greatly improve the cover board and the cooling chamber using welding structure
Between leakproofness.
In addition, the present invention also proposes a kind of casting mould of radiator described in manufacture, it is upper including what can be combined with each other
Module and lower module, which is characterized in that heat sink mold cavity, the heat sink are capable of forming between the upper module and lower module
Mold cavity is used to cast the heat dissipation plate body of the radiator, and the partition mold cavity of recess setting is provided on the upper module, described
For partition mold cavity for the casting integrated partition taken shape on the heat dissipation plate body, the partition can be on the heat dissipation plate body
Space be divided into back-shaped refrigerant channel, the region that the upper module corresponds to the refrigerant channel be provided with it is multiple recess set
The thermal column mold cavity set, the thermal column mold cavity are described to dissipate for the casting integrated thermal column taken shape on the heat dissipation plate body
Plume mold cavity, which is spaced apart from each other, to be arranged and is respectively communicated with the heat sink mold cavity；The area of the refrigerant channel is corresponded in the upper module
The cooling fin mold cavity of recess setting is additionally provided on domain, the cooling fin mold cavity takes shape in the heat dissipation plate body for casting integrated
On cooling fin, the cooling fin mold cavity is connected to the heat sink mold cavity, and the cooling fin mold cavity is described cold corresponding to it
The extending direction of the flow channel section of matchmaker's runner arranges that the cooling fin mold cavity is at least the thermal column being adjacently positioned before and after part
Mold cavity is connected to together, and the depth of the cooling fin mold cavity is less than the depth of the thermal column mold cavity communicated therewith.
Further technical solution is also possible that the front and back of the corner location arrangement of the corresponding refrigerant channel is adjacently positioned
At least partly described thermal column mold cavity between be not connected to the setting cooling fin mold cavity.It is cast in this way by the casting mould
The thermal column that at least partly front and back of the corner location positioned at the refrigerant channel on radiator out is adjacently positioned
Between be not provided with the cooling fin.
According to the above technical scheme, compared with prior art, the beneficial technical effect of the present invention lies in:
1. the cooling fin mold cavity is for casting one due to the cooling fin mold cavity for being additionally provided with recess setting on the upper module
Body formed in the cooling fin on the heat dissipation plate body, the cooling fin mold cavity is connected to the heat sink mold cavity, so can be in institute
The cooling fin that the setting that raises upward is formed on heat dissipation plate body is stated, the cooling fin can increase the heat dissipation area of the radiator,
Improve radiating efficiency.Based on this, the setting quantity of the thermal column can be reduced suitably to reduce the cloth of the thermal column
Density is set, and then the manufacture difficulty of the radiator can be reduced, the thermal column is reduced and defect occurs and lead to the heat dissipation
The probability that device is scrapped, while the difficulty of processing of the casting mould can also be reduced.
2. since the cooling fin at least connects the root for the thermal column that part front and back is adjacently positioned, this
Sample, the structure for being embodied in the corresponding casting mould is described in the cooling fin mold cavity is at least adjacently positioned part front and back
Thermal column mold cavity is connected to together, i.e., at least part of cooling fin mold cavity and the thermal column mold cavity be it is interconnected, from
And the circulation area of the metal casting melt between two adjacent thermal column mold cavities is increased, reduce metal casting melt
Circulating resistance.During casting, metal casting melt can more easily fill the thermal column mold cavity, be reduced or avoided
There are the bad phenomenons such as volume gas, cold shut, deficient casting on the top of the thermal column, is conducive to the manufacture non-defective unit for improving the radiator
Rate.
3. the height due to the cooling fin is less than the height of the thermal column.In this way, being embodied in the corresponding casting
The structure of mold be the cooling fin mold cavity depth be less than the thermal column mold cavity depth, in this way, metal casting melt from
The flow path of bottom of chamber wall of the cast gate of casting mould to the cooling fin mold cavity will be less than from the cast gate of casting mould to described
The flow path of the bottom of chamber wall of thermal column mold cavity, metal casting melt relatively easily fill up the cooling fin mold cavity, reduce or
It avoids the volume gas occurred on the top of the cooling fin, cold shut, owe the bad phenomenons such as casting, be further conducive to improve the heat dissipation
The manufacture yields of device.In addition, can also suitably reduce occupied space of the cooling fin in the refrigerant channel, increase
The circulation area of refrigerant is conducive to the velocity of liquid assets for improving refrigerant, optimizes the heat dissipation effect of the radiator.
Due to the present invention have the advantages that These characteristics and, can be applied to thus radiator and its apply shell unit,
In the casting mould for manufacturing radiator.
Detailed description of the invention
Fig. 1 is the schematic perspective view using the radiator of technical solution of the present invention；
Fig. 2 is the partial structural diagram of the cooling fin, thermal column and the heat dissipation plate body；
Fig. 3 is the structural schematic diagram using the casting mould of the manufacture radiator of technical solution of the present invention；
Fig. 4 is the shell described in figure using the schematic perspective view of the shell unit for being equipped with radiator of technical solution of the present invention
The cover board of unit is in the open state；
Fig. 5 is the schematic perspective view of the shell；
Fig. 6 is the side view of the shell unit；
Fig. 7 is the schematic diagram of the section structure in the direction A-A in Fig. 6.
Specific embodiment
Radiator to application technical solution of the present invention and the shell unit of its application, manufacture radiator with reference to the accompanying drawing
The structure of casting mould be further described.
As depicted in figs. 1 and 2, radiator 3 includes heat dissipation plate body 30, is provided with and raises upward on the heat dissipation plate body 30
The partition (33,34) of setting, the partition (33,34) can be divided into the space on the heat dissipation plate body 30 back-shaped cold
Matchmaker's runner 35.Multiple be alternatively arranged is provided on the wall body region of the correspondence refrigerant channel 35 on the heat dissipation plate body 30
Thermal column 31, the thermal column 31 raises upward setting.In the correspondence refrigerant channel 35 on plate body 30 that radiates
The cooling fin 32 for the setting that raises upward, the refrigerant channel 35 of the cooling fin 32 where it are additionally provided on wall body region
Flow channel section extending direction arrangement.In this way, the extending direction of the cooling fin 32 and the refrigerant channel 35 where it
The extending direction of flow channel section is almost the same, such as when the flow channel section of the refrigerant channel 35 where the cooling fin 32 is lateral
When extension, the cooling fin 32 is also to be laterally extended, without vertically extending.The setting of as described cooling fin 32 can't be bright
It hinders to trickle in the flowing of the refrigerant in the refrigerant channel 35 aobviously, but also certain guiding role can be played, favorably
It flows more smooth in the refrigerant, is quick.The thermal column that the cooling fin 32 is at least adjacently positioned part front and back
31 root connects.It specifically can be and all connected between the root for the thermal column 31 being adjacently positioned before and after whole
There is the cooling fin 32, or is connected between the root for the thermal column 31 that only part front and back is adjacently positioned described
Cooling fin 32, and the cooling fin is not connected between the root for the thermal column 31 being adjacently positioned before and after another part
32.It is primarily present two classes in the present embodiment to omit setting or reduce the region that the cooling fin is arranged, says separately below
It is bright.
First kind region: the refrigerant channel 35 include entrance convergence part 351 for being connected refrigerant inlet 12 and
For being connected the outlet convergence part 352 of refrigerant exit 11, the refrigerant inlet 12 is used to convey refrigerant to the refrigerant channel 35,
The refrigerant exit 11 is used for the refrigerant being discharged in the refrigerant channel 35.It is arranged in outlet 352 near zone of convergence part i.e. institute
State the thermal column 31 being adjacently positioned before and after 11 near zone of refrigerant exit, respectively thermal column (31g, 31h, 31i and
The cooling fin 32 is not provided between 31j).In this way, omitting setting for the cooling fin 32 in 11 neighbouring position of refrigerant exit
It sets, more flowing spaces can be vacateed for the flowing of the refrigerant, the refrigerant can be smoothly through the refrigerant and go out
Mouth 11 is discharged to except the refrigerant channel 35, improves the mass rate of emission of the refrigerant.Furthermore it is also possible to simultaneously or only cloth
It sets and is not provided with the cooling fin between the thermal column 31 being adjacently positioned before and after 351 near zone of entrance convergence part
32, or be arranged on the entrance convergence part or/and export the institute that the part front and back of convergence part near zone is adjacently positioned
It states and is not provided with the cooling fin between thermal column.
Second class region: it is adjacently positioned positioned at at least partly front and back of the corner location of the refrigerant channel 35 described scattered
The cooling fin 32 is not provided between plume 31.Such as the turning positioned at 35 upper left quarter of refrigerant channel as shown in Figure 2
A is set, the part thermal column 31 being arranged on the corner location A is respectively not provided between thermal column (31d, 31d and 31f)
The cooling fin 32.Certainly the whole thermal columns 31 being arranged on the corner location A, respectively thermal column be can also be
The cooling fin 32 is all not provided between (31d, 31d, 31f, 31k, 31l and 31m).In this way, omitting, at least part is described to be dissipated
The setting of backing 32 can vacate the space for more allowing the refrigerant to flow in the corner location, rapidly adjust convenient for refrigerant
It rectifies to the corner location so as to be smoothly through the refrigerant channel 35.
As shown in Fig. 2, in addition to above-mentioned first kind region and the second class region, what the cooling fin 32 was adjacently positioned front and back
The root of the thermal column 31 all connects, and the height H2 of the cooling fin 32 is less than the thermal column 31 connected to it
Height H1.In this way, the cooling fin 32 is merely attached to the root for the thermal column 31 that front and back is adjacently positioned and is not connected to institute
State the top of thermal column 31.It is an integral molding structure between the cooling fin 32, thermal column 31 and the heat dissipation plate body 30.
As shown in figure 3, the present invention also proposes a kind of casting mould of radiator 3 described in manufacture, including can mutually tie
The upper module 4 and lower module 5 of conjunction, are capable of forming heat sink mold cavity 6, the heat sink between the upper module 4 and lower module 5
Mold cavity 6 is used to cast the heat dissipation plate body 30 of the radiator 3, and the partition mold cavity of recess setting is provided on the upper module 4
(being not drawn into figure), the partition mold cavity is for the casting integrated partition (33,34) taken shape on the heat dissipation plate body 30, institute
Back-shaped refrigerant channel 35 can be divided into the space on the heat dissipation plate body 30 by stating partition (33,34), in the upper mold
The region of the corresponding refrigerant channel 35 of block 4 is provided with the thermal column mold cavity 41 of multiple recess settings, the thermal column mold cavity 41
For the casting integrated thermal column 31 taken shape on the heat dissipation plate body 30, the thermal column mold cavity 41, which is spaced apart from each other, to be arranged and divides
It is not connected to the heat sink mold cavity 6；Recess setting is additionally provided on the region of the corresponding refrigerant channel 35 of the upper module 4
Cooling fin mold cavity 42, the cooling fin mold cavity 42 for it is casting integrated take shape in it is described heat dissipation plate body 30 on cooling fin 32,
The cooling fin mold cavity 42 is connected to the heat sink mold cavity 6, the refrigerant channel of the cooling fin mold cavity 42 corresponding to it
The extending direction of 35 flow channel section arranges that the cooling fin mold cavity 42 at least casts the thermal column that part front and back is adjacently positioned
Chamber 41 is connected to together, and the depth of the cooling fin mold cavity 42 is less than the depth of the thermal column mold cavity 41 communicated therewith.
Further, the front and back of the corner location arrangement of the corresponding refrigerant channel 35 is adjacently positioned at least partly described
The setting cooling fin mold cavity 42 is not connected between thermal column mold cavity 41.In this way by the casting mould cast out come heat dissipation
Between the thermal column 31 that at least partly front and back of the corner location positioned at the refrigerant channel 35 on device 3 is adjacently positioned not
The cooling fin 32 is set.
According to the above technical scheme, it can be found that the cooling fin being arranged due to being additionally provided with recess on the upper module 4
Mold cavity 42, the cooling fin mold cavity 42 is for the casting integrated cooling fin 32 taken shape on the heat dissipation plate body 30, the heat dissipation
Piece mold cavity 42 is connected to the heat sink mold cavity 6, and the heat dissipation for the setting that raises upward can be so formed on the heat dissipation plate body 30
Piece 32, the cooling fin 32 can increase the heat dissipation area of the radiator 3, improve radiating efficiency.It, can be suitably based on this
The setting quantity of the thermal column 31 is reduced to reduce the layout density of the thermal column 31, and then the heat dissipation can be reduced
The manufacture difficulty of device 3 reduces the probability that the thermal column 31 defect occurs and the radiator 3 is caused to be scrapped, while can also
Reduce the difficulty of processing of the casting mould.
Secondly as the root connection one for the thermal column 31 that the cooling fin 32 is at least adjacently positioned part front and back
It rises, in this way, the structure for being embodied in the corresponding casting mould is the cooling fin mold cavity 42 at least the adjacent cloth in part front and back
Together, i.e., at least part of cooling fin mold cavity 42 and the thermal column mold cavity 41 are for the thermal column mold cavity 41 connection set
Interconnected, to increase the circulation area of the metal casting melt between two adjacent thermal column mold cavities 41, reduce
The circulating resistance of metal casting melt.During casting, metal casting melt can more easily fill the heat dissipation
Column mold cavity 41 is reduced or avoided and the bad phenomenons such as volume gas, cold shut, deficient casting occurs on the top of the thermal column 31, is conducive to mention
The manufacture yields of the high radiator 3.
Furthermore since the height of the cooling fin 32 is less than the height of the thermal column 31.In this way, being embodied in corresponding institute
The structure for stating casting mould is that the depth of the cooling fin mold cavity 42 is less than the depth of the thermal column mold cavity 41, in this way, metal
The flow path for casting bottom of chamber wall of the melt from the cast gate of casting mould to the cooling fin mold cavity 42 will be less than from casting mould
Cast gate to the thermal column mold cavity 41 bottom of chamber wall flow path, metal casting melt relatively easily fills up the heat dissipation
Piece mold cavity 42 is reduced or avoided the volume gas in the appearance of the top of the cooling fin 32, cold shut, owes the bad phenomenons such as casting, further
Be conducive to improve the manufacture yields of the radiator 3.In addition, can also suitably reduce the cooling fin 32 in the refrigerant
Occupied space in runner 35 increases the circulation area of refrigerant, is conducive to the velocity of liquid assets for improving refrigerant, optimizes the radiator
3 heat dissipation effect.
As shown in Figure 4, Figure 5, Figure 6 and Figure 7, the present invention is also proposed using the shell unit 100 for having radiator 3, includes tool
There are the cooling shell 1 with chamber 10 and the lid envelope cooling cover board 2 for using chamber 10, the radiator 3 is arranged in the cooling chamber
In 10,2 welded seal of cover board the cooling chamber 10 accent portion and allow the partition of its inner bottom surface and the radiator 3
The upper top surface of (33,34) is bonded setting.In this way, the opposite sealing structure for using sealing ring, it can be greatly using welding structure
Improve the cover board 2 and the cooling leakproofness between chamber 10.In addition, the cover board 2 is combined with the partition (33,34)
Reduce refrigerant be directed across the upper top surface of the partition (33,34) in different refrigerant channel sections crossfire and influence having for refrigerant
Sequence flowing and cooling effect.The refrigerant for being connected to the refrigerant channel 35 is provided on chamber side wall of the cooling with chamber 10
Entrance 12 and refrigerant exit 11.Certainly the refrigerant inlet 12 and refrigerant exit 11 can also be set in other implementations
It sets on the cover board 2.
Electrical chamber 14 is additionally provided in the shell 1, the electrical chamber 14 and about the 10 cooling chamber are split simultaneously
The public same bottom of chamber wall 13 is provided with installation window 130 on the bottom of chamber wall 13；The heat dissipation plate body 30 of the radiator 3
It is seperated property structure between the shell 1, the heat dissipation plate body 30 is embedded in and is sealingly disposed in the installation window 130；
Electronic component 7 is arranged in the electrical chamber 14 and is connected on the heat dissipation plate body 30.Wherein, the heat dissipation plate body 30 is embedding
It fills and is sealingly disposed in the installation window 130, features described above defines the installation site of the heat dissipation plate body 30, described to dissipate
Hot plate body 30 is inlaid in the filling installation window 130 in the installation window 130, and seals the installation window 130, in this way
The cooling is substantially difficult to leak into the electrical chamber 14 by the installation window 130 with the refrigerant in chamber 10.As for
Sealing structure between the heat dissipation plate body 30 and the installation window 130 can there are many, such as institute made by welding procedure
Heat dissipation plate body 30 is stated to be directly welded in the installation window 130.In addition, the shell 1 has electrical chamber 14 and described simultaneously
It is cooling to use chamber 10, electronic component 7 is accommodated by the electrical chamber 14, collection protection can be carried out to the electronic component 7,
It avoids the cooling from being dropped into the refrigerant of chamber 10 especially liquid to make the electronic component 7 on the electronic component 7
At damage.In addition, the electronic component 7 is connected on the heat dissipation plate body 30, it can be by the heat dissipation plate body 30 quickly
The heat generated when ground dissipation work.Secondly, being seperated property structure between the heat dissipation plate body 30 and the shell 1, in this way, can
With the structure of the simplification shell 1, convenient for manufacture.
Claims (9)
1. radiator, which is characterized in that including radiate plate body, it is described heat dissipation plate body on be provided with the setting that raises upward every
Plate, the space on the heat dissipation plate body can be divided into back-shaped refrigerant channel by the partition, on the heat dissipation plate body
The correspondence refrigerant channel wall body region on be provided with multiple spaced thermal columns, the thermal column, which raises upward, to be set
It sets；The heat dissipation for the setting that raises upward is additionally provided on the wall body region of the correspondence refrigerant channel on the heat dissipation plate body
Piece, the extending direction arrangement of the flow channel section of the refrigerant channel of the cooling fin where it, the cooling fin is at least portion
The root for the thermal column being adjacently positioned before and after point connects, and the height of the cooling fin is less than connected to it described scattered
The height of plume is an integral molding structure between the cooling fin, thermal column and the heat dissipation plate body.
2. radiator according to claim 1, which is characterized in that positioned at at least portion of the corner location of the refrigerant channel
The cooling fin is not provided between the thermal column being adjacently positioned before and after point.
3. radiator according to claim 1 or 2, which is characterized in that the refrigerant channel includes for being connected refrigerant
The entrance convergence part of entrance and outlet convergence part for being connected refrigerant exit, the refrigerant inlet are used for the refrigerant stream
Road conveys refrigerant, and the refrigerant exit is used for the refrigerant being discharged in the refrigerant channel；Be arranged in the entrance convergence part or/and
The cooling fin is not provided between the thermal column that at least partly front and back is adjacently positioned of outlet convergence part near zone.
4. the shell unit of application claim 1,2 or 3 radiators, which is characterized in that include the shell with cooling chamber
Body and lid seal the cover board of the cooling chamber, the radiator setting in the cooling with intracavitary, the inner bottom surface of the cover board and
The upper top surface of the partition of the radiator is bonded setting.
5. shell unit according to claim 4, which is characterized in that be additionally provided with electrical chamber, the electricity in the shell
Air cavity and the cooling chamber are split up and down and the public same bottom of chamber wall, is provided with installation window on the bottom of chamber wall；Institute
Stating between the heat dissipation plate body of radiator and the shell is seperated property structure, and the heat dissipation plate body is embedded in and is sealingly disposed in described
It installs in window；Electronic component setting is described electrical intracavitary and be connected on the heat dissipation plate body.
6. shell unit according to claim 4, which is characterized in that be arranged on the chamber side wall or cover board of the cooling chamber
There are the refrigerant inlet and refrigerant exit of the refrigerant channel for being connected to the radiator.
7. according to shell unit described in claim 4,5 or 6, which is characterized in that the cover board welding is sealed in the cooling use
The accent position of chamber.
8. the casting mould of radiator described in manufacturing claims 1,2 or 3, including the upper module that can be combined with each other and lower die
Block, which is characterized in that heat sink mold cavity is capable of forming between the upper module and lower module, the heat sink mold cavity is for casting
The heat dissipation plate body for making the radiator, is provided with the partition mold cavity of recess setting on the upper module, and the partition mold cavity is used
In the casting integrated partition taken shape on the heat dissipation plate body, the partition can separate the space on the heat dissipation plate body
For back-shaped refrigerant channel, the region that the upper module corresponds to the refrigerant channel is provided with the thermal column of multiple recess settings
Mold cavity, the thermal column mold cavity is for the casting integrated thermal column taken shape on the heat dissipation plate body, the thermal column mold cavity phase
Mutually it is alternatively arranged and is respectively communicated with the heat sink mold cavity；It is also set up on the region that the upper module corresponds to the refrigerant channel
The cooling fin mold cavity for having recess to be arranged, the cooling fin mold cavity is for the casting integrated heat dissipation taken shape on the heat dissipation plate body
Piece, the cooling fin mold cavity are connected to the heat sink mold cavity, the refrigerant channel of the cooling fin mold cavity corresponding to it
The extending direction of flow channel section arranges that the cooling fin mold cavity is at least connected to the thermal column mold cavity that part front and back is adjacently positioned
Together, the depth of the cooling fin mold cavity is less than the depth of the thermal column mold cavity communicated therewith.
9. casting mould according to claim 8, which is characterized in that the corner location arrangement of the corresponding refrigerant channel
The setting cooling fin mold cavity is not connected between at least partly described thermal column mold cavity that front and back is adjacently positioned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810991640.1A CN108962851A (en) | 2018-08-29 | 2018-08-29 | Radiator and the shell unit of its application, the casting mould for manufacturing radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810991640.1A CN108962851A (en) | 2018-08-29 | 2018-08-29 | Radiator and the shell unit of its application, the casting mould for manufacturing radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108962851A true CN108962851A (en) | 2018-12-07 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810991640.1A Pending CN108962851A (en) | 2018-08-29 | 2018-08-29 | Radiator and the shell unit of its application, the casting mould for manufacturing radiator |
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|---|---|
| CN (1) | CN108962851A (en) |
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| CN111745315A (en) * | 2019-03-29 | 2020-10-09 | 比亚迪股份有限公司 | Apparatus for filling heat-dissipating stud and method of manufacturing heat-dissipating member |
| WO2022100164A1 (en) * | 2020-11-10 | 2022-05-19 | 苏州汇川联合动力系统有限公司 | Radiator structure and motor controller |
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