CN206672923U - A kind of T-shaped water-filled radiator - Google Patents
A kind of T-shaped water-filled radiator Download PDFInfo
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- CN206672923U CN206672923U CN201720367780.2U CN201720367780U CN206672923U CN 206672923 U CN206672923 U CN 206672923U CN 201720367780 U CN201720367780 U CN 201720367780U CN 206672923 U CN206672923 U CN 206672923U
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- heat sink
- runner
- water
- charge
- flow passage
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Abstract
The utility model discloses a kind of T-shaped water-filled radiator, including water-stop sheet, the heat sink one being connected to above water-stop sheet, the heat sink two that is connected to below water-stop sheet；Heat sink one and heat sink two are L-shaped, are equipped with water nozzle mouth, charge for remittance runner, connection flow road junction, radiating flow passage thereon.On every block of heat sink, water nozzle mouth connection charge for remittance runner, charge for remittance runner is connected with radiating flow passage by connection flow road junction, and the screwed hole for installing IGBT device is machined with the heat sink at the radiating flow passage back side.Radiating flow passage on two blocks of heat sinks is connected by connecting runner.Reinforcement is set in charge for remittance runner, connection flow road junction sets flow equalizing ring.The utility model has the advantages that uniform temperature in compact-sized, relatively low thermal resistance and flow resistance, radiating plate face is good.Can two-sided installation IGBT device, realize simultaneously multiple IGBT devices are radiated, there is stronger heat-sinking capability.
Description
Technical field
Technical field of heat dissipation, especially electric locomotive traction current transformer IGBT device heat dissipation technology is the utility model is related to lead
Domain.
Background technology
With the fast development of Power Electronic Technique, IGBT device heat flow density is increasing, if without good radiating
Measure, then the temperature of IGBT device be likely to be breached or more than device junction temperature, so as to cause the deterioration of device performance so that damage.Together
When electric locomotive traction converter system is more and more integrated, modularization so that dissipation of the traction current transformation system in normal work
Heat flow density is also increasing, and more and more higher is required to the heat dispersion for the product that radiates.Traction current transformation system uses more more at present
The series-parallel mode of block water-filled radiator cools down to IGBT device to radiate, and causes internal system pipeline and pipe joint more, exists
Leak risk, also it is unfavorable for system compact, integrated, densification development.
In the prior art, the Chinese utility model patent of Application No. 201420798013.3, which discloses, a kind of is used for locomotive
The liquid cooling plate of traction, including runner plate and heat sink, water inlet cavity and water outlet cavity, runner plate and heat sink are provided with runner plate
Mutually be fixedly connected, be provided with radiating block in heat sink, the end face of radiating block is provided with least one set of radiating flow passage, radiating block it is another
End face is provided with radiating cavity, and the bottom of heat sink is communicated with chamber, and radiating flow passage is connected by connecting chamber with radiating cavity, dissipated
Hot flow path with water inlet cavity be connected, radiating cavity be connected with water outlet cavity, water inlet cavity, radiating flow passage, radiate cavity and
Water outlet cavity forms radiating road.It is also specifically disclosed that heat sink end face is provided with 6 groups of radiating flow passages in the patent specification, every group
Radiating flow passage is defined liquid in liquid cooling plate and flowed by 4 Curved runner phase compositions, 4 interruption-like distributions of Curved runner
Direction design method, Curved runner can strengthen disturbance of the liquid in liquid cooling plate runner, strengthen heat exchange efficiency.But this kind
The drawbacks of liquid cooling plate be exactly can only one side radiating, and liquid cooling plate performance difference can be larger during liquid reverse flow；6 groups of radiating flow passages
Designed with the runner mouth of runner plate junction without flow equalizing ring, can not be distributed the uniform flow in 6 groups of radiating flow passages, caused whole
The plate face temperature difference that radiates is relatively large.Reinforcement is not provided with other runner plate water inlet cavity and water outlet cavity, runner plate is present
Insufficient strength, bulge equivalent risk.The Chinese utility model of Application No. 200820092806.8 discloses a kind of liquid-cooling heat radiation
Device, for carrying out heat exchange, including good heat conduction and heat radiation main body with power model mounted thereto, in the heat sink body extremely
Two layers of runner that be being provided with hierarchal arrangement less and being connected in series;Runner after being connected in series includes inlet and liquid outlet.It is logical
Two layers of the runner crossed hierarchal arrangement and be connected in series, realize the two-sided installation application of radiator.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of T-shaped water-filled radiator, and it two-sided can be installed
IGBT device, realize and multiple IGBT devices are radiated simultaneously, realize that intake-outlet is exchanged.
The technical solution of the utility model is：A kind of T-shaped water-filled radiator, including water-stop sheet and be connected to above water-stop sheet
Heat sink one, it is characterized in that, in addition to be connected to the heat sink two below water-stop sheet；The heat sink one is L-shaped, heat sink
One includes integrally connected long slab one and short slab one, is machined with water nozzle mouth one and charge for remittance runner one on short slab one, below long slab one
Radiating flow passage one is machined with, long slab one and the junction of short slab one are machined with connection flow road junction one；Water nozzle mouth one connects charge for remittance runner
One, charge for remittance runner one is connected with radiating flow passage one by connection flow road junction one；Long slab one is machined with for installing IGBT above
The screwed hole one of device；
Heat sink two is L-shaped, and heat sink two includes integrally connected long slab two and short slab two, water nozzle is machined with short slab two
Mouth two and charge for remittance runner two, long slab two are machined with radiating flow passage two above, and long slab two and the junction of short slab two are machined with connection flow
Road junction two；Water nozzle mouth two connects charge for remittance runner two, and charge for remittance runner two is connected with radiating flow passage two by connecting passage mouth two；It is long
Plate two is machined with the screwed hole two for installing IGBT device below；
The connection runner by water-stop sheet is provided between radiating flow passage one and radiating flow passage two, runner warp is connected on water-stop sheet
Cross place and be provided with through hole, radiating flow passage one is connected with radiating flow passage two by connecting runner.
Heat sink one symmetrically adds with the inner flow passage structure of heat sink two and the screwed hole for installing IGBT device
Work forms.
Reinforcement is provided with the charge for remittance runner one and charge for remittance runner two；Charge for remittance runner one and charge for remittance runner two by
Some groups of runner compositions, some groups of runners of charge for remittance runner one are connected only at water nozzle mouth one and at connection flow road junction one,
Do not connected mutually in other positions；Some groups of runners of charge for remittance runner two are connected only at water nozzle mouth two and at connection flow road junction two
It is logical, do not connected mutually in other positions；Reinforcement is arranged between two groups of adjacent runners.
Reinforcement is integral type structure with heat sink one and heat sink two.
The connection flow road junction one and connection flow road junction two respectively have six groups, and connection flow road junction one and connection flow road junction two are all provided with
It is equipped with flow equalizing ring；Each group connection flow road junction is provided with different flow equalizing rings, from first group to the stream at the 6th group of connection flow road junction
Ring diameter gradually increases.
First group of connection flow road junction sets a flow equalizing ring；Second group of connection flow road junction sets three flow equalizing rings；3rd to
Six groups respectively set a flow equalizing ring.
Heat sink one and heat sink two are respectively provided with six groups of radiating flow passages, and every group of radiating flow passage forms by a plurality of straight trough road.
The inner flow passage structure of T-shaped water-filled radiator is the structure using chemical oxidation treatment, and outer surface is using electricity
The structure of chemical oxidation treatment.
Heat sink one, heat sink two and water-stop sheet are made by aluminium alloy.
Radiating flow passage structure uses wing pole structure or jujube nutty structure.
The utility model has the advantages that the uniform temperature in compact-sized, relatively low thermal resistance and flow resistance, radiating plate face is good.Energy
Enough two-sided installation IGBT devices, realize and multiple IGBT devices are radiated simultaneously, have stronger heat-sinking capability.Water nozzle mouth,
Charge for remittance runner and radiating flow passage use full symmetrical configuration, and intake-outlet can be achieved and exchange, to the thermal resistance and flow resistance of radiator without shadow
Ring.Reinforcement is set into and out of in charge for remittance runner, the operating pressure that can bear 3MPa ~ 6MPa keeps indeformable, can with higher
By property.Six groups of connection flow road junctions will connect into and out of charge for remittance runner with six groups of radiating flow passages, be set at every group of connection flow road junction equal
Ring is flowed, coolant rate is evenly distributed to every group of radiating flow passage, by the current balance function of flow equalizing ring, makes entirely to radiate by flow equalizing ring
The temperature difference of face installation IGBT device maximum temperature point is within 3 DEG C.
Brief description of the drawings
Fig. 1 is the T-shaped water-filled radiator front view structure of the utility model（Section view）Schematic diagram；
Fig. 2 is the right side broken section structural representation of the T-shaped water-filled radiator of the utility model；
Fig. 3 is the structural representation for being used to install the one side of IGBT device on the heat sink one in the utility model；
In figure：1st, heat sink one, 2, water-stop sheet, 3, heat sink two, 4, charge for remittance runner one, 5, connection flow road junction one,
6th, radiating flow passage one, 7, connection runner, 8, radiating flow passage two, 9, connection flow road junction two, 10, charge for remittance runner two, 11, water nozzle
Mouthful one, 12, water nozzle mouth two, 13, reinforcement, 14, screwed hole one.
Embodiment
Fig. 1 to Fig. 3 is refer to, T-shaped water-filled radiator is mainly made up of heat sink 1, heat sink 23 and water-stop sheet 2.Dissipate
Hot plate one and heat sink two are L-shaped, are equipped with water nozzle mouth, charge for remittance runner, connection flow road junction, radiating flow passage thereon.Every piece dissipates
On hot plate, water nozzle mouth connection charge for remittance runner, charge for remittance runner is connected with radiating flow passage by connection flow road junction, the radiating flow passage back side
Heat sink on be machined with screwed hole for installing IGBT device.Radiating flow passage on two blocks of heat sinks is by connecting runner
7 are connected.
Wherein, heat sink 1 is made up of the aluminium alloy of good heat conductivity, is shaped like a L-shaped, L-shaped heat sink one
Long slab one it is vertical with short slab one, can by agitating friction weld processing or extrusion section bar be process.The short slab side processing of L-type
Water nozzle mouth 1 and charge for remittance runner 1, long slab side processing radiating flow passage 1, the long slab one of L-type and the processing of the intersection of short slab one
Connection flow road junction 1, charge for remittance runner one is set to be connected with radiating flow passage one.The back side of radiating flow passage one（The upper surface of long slab one）It is machined with
For installing the screwed hole 1 of six groups of IGBT devices, there is very high flatness and compared with low roughness after the plane machining, to protect
Card and IGBT device good contact, reduce thermal-conduction resistance.
Heat sink two is made up of the aluminium alloy of good heat conductivity, is shaped like a L-shaped, its size shape and heat sink
One is identical, and the long slab two of L-shaped heat sink two is vertical with short slab two, can by agitating friction weld processing or extrusion section bar processing and
Into.Its inner flow passage structure（Including water nozzle mouth 2 12, charge for remittance runner 2 10, connection flow road junction 29 and radiating flow passage 28）And the back of the body
Face is used for corresponding construction of the screwed hole two with heat sink one for installing IGBT device（Water nozzle mouth one, charge for remittance runner one, connecting passage
Mouth one, radiating flow passage one and screwed hole one）Symmetrical machining forms.
Water-stop sheet is made up of the aluminium alloy of good heat conductivity.Runner is communicated with water-stop sheet adjacent one end position to be used to connect
Radiating flow passage one and radiating flow passage two are connect, connection runner sets a through hole by the opening position of water-stop sheet, by heat sink one
The radiating flow passage two of radiating flow passage one and heat sink two connects, and makes runner by prescribed direction from water nozzle mouth one to water nozzle mouth two
Form a complete water route.
Reinforcement 13 is set in charge for remittance runner.Fluid in charge for remittance runner one（Coolant）Flow direction by heat sink one water
The 6th group of direction of radiating flow passage one corresponding to IGBT device on mouthpiece one to heat sink one is flowed, the charge for remittance stream on heat sink one
Road one is made up of several groups of runners, and these runners communicate only at water nozzle mouth one and at connection flow road junction one, elsewhere mutually not
Connection.These runners connect with connection flow road junction one, ensure that coolant enters radiating flow passage one, coolant is entered through connecting runner again
Enter the radiating flow passage two of heat sink two, the water nozzle mouth through heat sink two is second-rate after entering charge for remittance runner two by connection flow road junction two
Go out.Charge for remittance runner two on heat sink two is also made up of several groups of runners, and these runners are only at water nozzle mouth two and connecting passage
Communicate at mouth two, do not connect mutually elsewhere.It is reinforcement between mutual disconnected runner in charge for remittance runner one（Charge for remittance runner
Two is same）.Reinforcement is integrated with heat sink one and heat sink two, and its strength character is better than welding and other structures, Neng Gou
3MPa ~ 6MPa operating pressure keeps indeformable, has higher reliability.Charge for remittance runner one includes six groups of runners, charge for remittance stream
Road two also includes six groups of runners.
It is corresponding with charge for remittance runner, connection flow road junction one and also each six groups of the setting of connection flow road junction two, the He of radiating flow passage one
Radiating flow passage two is also each to set six groups.By taking heat sink one as an example（Heat sink two is same）, each group connection flow sets not respectively in road junction
Same flow equalizing ring, ensure the uniform flow by coolant in every group of connection flow road junction, while ensure every in every group of radiating flow passage
Bar runner uniform flow.According to the relation of on-way resistance, local resistance and uninterrupted, six groups of connection flow road junctions are set different
Flow equalizing ring, substantially theory relation is that the flow equalizing ring bore at first group to the 6th group connection flow road junction sets and increased in certain relation for it
Greatly, by the setting of flow equalizing ring, coolant is made uniformly through every group of connection flow road junction, while ensure in every group of radiating flow passage every
Runner uniform flow, make the temperature difference of whole radiating surface installation IGBT device maximum temperature point that there is preferable samming within 3 DEG C
Property.Heat sink one and heat sink two have six groups of radiating flow passages, and every group of radiating flow passage is by a plurality of straight trough road structure composition, the knot
Structure is simply beneficial to processing, can improve production efficiency, and has stronger perturbation action with larger area of dissipation and convection body, dissipates
The thermal efficiency is higher.
Preferably, it is one small-bore that first group of flow equalizing ring, which sets bore, flow equalizing ring makes coolant enter radiating flow passage
Direction it is vertical with radiating flow passage direction, ensure every runner uniform flow in this group of radiating flow passage.
Preferably, it is three small-bore that second group of flow equalizing ring, which sets bore, flow equalizing ring makes coolant enter radiator stream
The direction in road is consistent with radiating flow passage direction, ensures every runner uniform flow in this group of radiating flow passage.
Preferably, it is one small-bore that the three, the four, the 5th and the 6th groups of flow equalizing rings, which set bore, four groups of bores are big
Small difference, flow equalizing ring make flow equalizing ring make coolant consistent with radiating flow passage direction into the direction of radiator runner, ensure respective
Every runner uniform flow in radiating flow passage.
T-shaped water-filled radiator, inner flow passage structure use chemical oxidation treatment, and outer surface is using at electrochemical oxidation
Reason, makes water-filled radiator have higher resistance to corrosion.
The T-shaped mutual assembly relation of water-filled radiator part is：Here is heat sink two, and centre is water-stop sheet, and the above is
Heat sink one, by way of welding, form a closed flow channel space.Coolant is entered by the water nozzle mouth of heat sink one converges
Water flow passage one enters radiating flow passage one by connecting passage mouth one, enters the radiating flow passage two of heat sink two by connecting runner, passes through
Connection flow road junction two enters charge for remittance runner two, and the water nozzle mouth to heat sink two flows out.Vice versa, and entery and delivery port can be achieved and adjust
Change.
Above-mentioned T-shaped cooled plate radiating flow passage structure uses straight trough road frame mode, but radiating flow passage structure uses wing pillar
Structure, jujube nutty structure mode can realize the utility model.
In the utility model, water nozzle mouth, charge for remittance runner and radiating flow passage use full symmetrical configuration, and intake-outlet can be achieved and adjust
Change, on the thermal resistance and flow resistance of radiator without influence.Reinforcement is set in charge for remittance runner, 3MPa ~ 6MPa operating pressure can be born
Keep indeformable, there is higher reliability.Six groups of connection flow road junctions respectively connect six groups of charge for remittance runners and six groups of radiating flow passages
It is logical, flow equalizing ring is set at every group of connection flow road junction, and coolant rate is evenly distributed to each group radiating flow passage, passed through by flow equalizing ring
The current balance function of flow equalizing ring, make the temperature difference of whole radiating surface installation IGBT device maximum temperature point within 3 DEG C.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it is all contained within the scope of protection of the utility model.
Claims (10)
1. a kind of T-shaped water-filled radiator, including water-stop sheet and the heat sink one that is connected to above water-stop sheet, it is characterized in that, also wrap
Include the heat sink two being connected to below water-stop sheet；The heat sink one is L-shaped, and heat sink one includes the integrally connected He of long slab one
Short slab one, water nozzle mouth one and charge for remittance runner one are machined with short slab one, and long slab one is machined with radiating flow passage one, the He of long slab one below
The junction of short slab one is machined with connection flow road junction one；Water nozzle mouth one connects charge for remittance runner one, charge for remittance runner one and radiating flow passage one
It is connected by connection flow road junction one；Long slab one is machined with the screwed hole one for installing IGBT device above；
Heat sink two is L-shaped, and heat sink two includes integrally connected long slab two and short slab two, water nozzle mouth two is machined with short slab two
With charge for remittance runner two, long slab two is machined with radiating flow passage two above, and long slab two and the junction of short slab two are machined with connection flow road junction
Two；Water nozzle mouth two connects charge for remittance runner two, and charge for remittance runner two is connected with radiating flow passage two by connecting passage mouth two；Long slab two
The screwed hole two for installing IGBT device is machined with below；
The connection runner by water-stop sheet is provided between radiating flow passage one and radiating flow passage two, runner is connected on water-stop sheet at
Provided with through hole, radiating flow passage one is connected with radiating flow passage two by connecting runner.
2. T-shaped water-filled radiator according to claim 1, it is characterized in that, the inner flow passage of heat sink one and heat sink two
Structure and the equal symmetrical machining of screwed hole for installing IGBT device form.
3. T-shaped water-filled radiator according to claim 1, it is characterized in that, in the charge for remittance runner one and charge for remittance runner two
It is provided with reinforcement；Charge for remittance runner one and charge for remittance runner two form by some groups of runners, some groups of streams of charge for remittance runner one
Road is connected only at water nozzle mouth one and at connection flow road junction one, is not connected mutually in other positions；Charge for remittance runner two it is some
Group runner is connected only at water nozzle mouth two and at connection flow road junction two, is not connected mutually in other positions；Reinforcement is arranged on
Between two groups of adjacent runners.
4. T-shaped water-filled radiator according to claim 3, it is characterized in that, reinforcement is with heat sink one and heat sink two
Integral structure.
5. T-shaped water-filled radiator according to claim 1, it is characterized in that, the connection flow road junction one and connection flow road junction
Two respectively have six groups, and connection flow road junction one and connection flow road junction two are provided with flow equalizing ring；Each group connection flow road junction is provided with difference
Flow equalizing ring, the flow equalizing ring diameter from first group to the 6th group of connection flow road junction gradually increases.
6. T-shaped water-filled radiator according to claim 5, it is characterized in that, first group of connection flow road junction sets one and flowed
Ring；Second group of connection flow road junction sets three flow equalizing rings；Three to six group respectively sets a flow equalizing ring.
7. T-shaped water-filled radiator according to claim 1, it is characterized in that, heat sink one and heat sink two are respectively provided with six groups
Radiating flow passage, every group of radiating flow passage form by a plurality of straight trough road.
8. T-shaped water-filled radiator according to claim 1, it is characterized in that, the inner flow passage structure of T-shaped water-filled radiator is
Using the structure of chemical oxidation treatment, outer surface is the structure using electrochemicial oxidation.
9. T-shaped water-filled radiator according to claim 1, it is characterized in that, heat sink one, heat sink two and water-stop sheet by
Aluminium alloy is made.
10. T-shaped water-filled radiator according to claim 1, it is characterized in that, radiating flow passage structure using wing pole structure or
Jujube nutty structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720367780.2U CN206672923U (en) | 2017-04-10 | 2017-04-10 | A kind of T-shaped water-filled radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720367780.2U CN206672923U (en) | 2017-04-10 | 2017-04-10 | A kind of T-shaped water-filled radiator |
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| Publication Number | Publication Date |
|---|---|
| CN206672923U true CN206672923U (en) | 2017-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720367780.2U Active CN206672923U (en) | 2017-04-10 | 2017-04-10 | A kind of T-shaped water-filled radiator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106847766A (en) * | 2017-04-10 | 2017-06-13 | 株洲南车奇宏散热技术有限公司 | A kind of T-shaped water-filled radiator and water-cooling method |
| CN107768330A (en) * | 2017-11-28 | 2018-03-06 | 西安中车永电电气有限公司 | A kind of high-power T-shaped water-filled radiator |
-
2017
- 2017-04-10 CN CN201720367780.2U patent/CN206672923U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106847766A (en) * | 2017-04-10 | 2017-06-13 | 株洲南车奇宏散热技术有限公司 | A kind of T-shaped water-filled radiator and water-cooling method |
| CN107768330A (en) * | 2017-11-28 | 2018-03-06 | 西安中车永电电气有限公司 | A kind of high-power T-shaped water-filled radiator |
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