CN211127596U - Power module with novel radiator - Google Patents
Power module with novel radiator Download PDFInfo
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- CN211127596U CN211127596U CN201922070492.2U CN201922070492U CN211127596U CN 211127596 U CN211127596 U CN 211127596U CN 201922070492 U CN201922070492 U CN 201922070492U CN 211127596 U CN211127596 U CN 211127596U
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- radiator
- control device
- power module
- box
- heat
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Abstract
The utility model discloses a take power module of novel radiator, including box, control device, radiator, compound female arranging, fan and a plurality of electric capacity, electric capacity and control device electricity respectively connect compound female arranging, the middle part of box is provided with the support frame, the radiator includes heat-conducting plate and polylith fin; the top of the heat conducting plate comprises an installation part and a coating part, the installation part is raised relative to the coating part, the coating part is covered with an anodic oxidation coating, and the control device is tightly attached to the installation part of the radiator so as to seal the installation part. Compared with the prior art, due to the novel structure of the radiator, the control device directly and tightly contacts the installation part, so that the installation part is not contacted with air, and the control device and the installation part of the radiator can better conduct heat and conduct heat; the heat conducting plate is close to the control device but not directly contacted with the coating part of the control device, and then is covered with the anodic oxidation coating to avoid forming an oxidation film, so that the coating part can be ensured to have better heat conducting performance.
Description
Technical Field
The utility model relates to an electronic equipment technical field, concretely relates to take power module of novel radiator.
Background
With the development of ac technology of electric locomotives, current transformers using high-power Insulated Gate Bipolar Transistors (IGBT) as switching elements are becoming increasingly widespread. The converter is a complex power electronic device, and the technology thereof relates to multiple disciplines such as power electronic technology, control technology, structural design, electrical design and the like, and is a multi-discipline cross product. The power module is a core part of the converter and mainly plays an important role in converting alternating current into direct current or converting direct current into alternating current, and the main part comprises an IGBT (insulated gate bipolar translator) and electronic elements such as a driver, a capacitor, a composite busbar, a radiator, a control device and the like.
The radiator of the power module is used for absorbing the heat of the control device, the part of the radiator close to the control device is high in temperature, the surface of the radiator is in contact with oxygen to easily generate a layer of oxide, and the oxide can reduce the heat conduction effect between the control device and the radiator.
Therefore, it is desirable to develop a power module capable of improving the heat conduction between the control device and the heat sink.
Disclosure of Invention
There is above-mentioned technical problem to prior art, the utility model provides a take power module of novel radiator can improve the heat conduction effect between controlling means and the radiator.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a take power module of novel radiator, arrange, fan and a plurality of electric capacity including box, controlling means, radiator, compound, the fan is fixed in the lateral wall of box, electric capacity with controlling means electricity respectively connects compound female arranging characterized by: the middle part of the box body is provided with a support frame, the capacitor and the radiator are both arranged on the support frame, the radiator comprises a heat conduction plate made of metal materials and a plurality of fins, the fins are fixed at the bottom of the heat conduction plate in parallel, a heat radiation channel is reserved between every two adjacent fins, and the fan blows air towards the heat radiation channel; the top of heat-conducting plate includes installation department and coating film portion, the installation department for coating film portion is protruding, coating film portion covers there is anodic oxidation coating film, the control device hug closely in the installation department of radiator, thereby will the installation department involution.
Specifically, the protruding height of installation department is 0.3 ~ 0.7 millimeter.
Specifically, the height of the projection of the mounting portion is 0.5 mm.
Specifically, the heat conducting plate is rectangular.
Specifically, connecting holes are formed in two side portions of the heat conducting plate, and the heat conducting plate and the support frame are fixed through the connecting holes and the connecting bolts; the installation department is opened there is the thread groove, the control device with pass through between the installation department the thread groove combines the screw to fix mutually.
The support frame is used for dividing the interior of the box body into an upper accommodating space and a lower accommodating space which are communicated, the capacitor is located in the upper accommodating space, and the radiator is located in the lower accommodating space.
Specifically, the fan is including being used for towards a plurality of air inlet fans of blowing in the box and being used for towards a plurality of air outlet fans of external convulsions of box, air inlet fan is fixed in right side support body and with the radiator aligns, air outlet fan install in left side support body, and a plurality of air outlet fans align respectively electric capacity with the radiator.
The utility model has the advantages that:
the utility model discloses a take power module of novel radiator, including box, control device, radiator, compound female arranging, fan and a plurality of electric capacity, the fan is fixed in the lateral wall of box, electric capacity and control device electricity respectively connect compound female arranging, the middle part of box is provided with the support frame, electric capacity and radiator are all installed in the support frame, the radiator includes heat-conducting plate and polylith fin of metal material, polylith fin is fixed in the bottom of heat-conducting plate side by side, and leave the heat dissipation passageway between the adjacent two fins, the fan blows towards the heat dissipation passageway; the top of the heat conducting plate comprises an installation part and a coating part, the installation part is raised relative to the coating part, the coating part is covered with an anodic oxidation coating, and the control device is tightly attached to the installation part of the radiator so as to seal the installation part. Compared with the prior art, the power module with the novel radiator of the utility model has the advantages that due to the novel structure of the radiator, on one hand, the control device directly and closely contacts the installation part, so that the installation part is not contacted with air, and the heat transfer and the heat conduction between the control device and the installation part of the radiator can be better; on the other hand, the heat conducting plate is close to the control device but not directly contacted with the coating part of the control device, and then the anodic oxidation coating is covered, so that the formation of an oxidation coating is avoided, and the coating part can be ensured to have better heat conducting performance.
Drawings
Fig. 1 is a schematic structural diagram of a power module in an embodiment.
Fig. 2 is a schematic structural diagram of the power module in the embodiment after the box is hidden.
Fig. 3 is a schematic structural diagram of a heat sink of the power module in the embodiment.
Fig. 4 is a partial structural schematic diagram of a support frame of the power module in the embodiment.
Fig. 5 is a schematic structural diagram of a capacitor of the power module in the embodiment.
Reference numerals:
the box body 1, a top plate 11, a bottom plate 12, a front side plate 13, a left frame body 14, a right frame body 15, a support frame 16 and a limiting hole 161;
a control device 2;
the heat sink 3, the heat conducting plate 31, the mounting portion 311, the thread groove 3111, the plated film portion 312, the connection hole 3121, and the fin 32;
the composite busbar 4, the upper bending part 41, the wiring hole 411, the upright part 42, the heat dissipation hole 421 and the lower bending part 43;
an air inlet fan 51 and an air outlet fan 52;
Detailed Description
The present invention will be described in detail with reference to the following embodiments and accompanying drawings.
The power module of this embodiment, as shown in fig. 1 to 5, including box 1, controlling means 2, radiator 3, compound female 4, fan and a plurality of electric capacity 6 of arranging, box 1 is including enclosing roof 11, bottom plate 12, preceding curb plate 13, posterior lateral plate, left support body 14 and right support body 15 that become the inner chamber jointly, preceding curb plate 13 the posterior lateral plate with bottom plate 12 is U-shaped structure of integrative stamping forming, and compact structure is more stable. The front side part of the top plate 11 is hinged with the front side plate 13, and the rear side part of the top plate 11 is detachably connected with the rear side plate through bolts, so that the top plate 11 can be conveniently opened to maintain or replace the internal control device 2.
A support frame 16 is arranged in the middle of the box body 1, the support frame 16 divides the interior of the box body 1 into an upper accommodating space and a lower accommodating space which are communicated, and the capacitor 6 and the control device 2 are arranged at the top of the support frame 16, namely are positioned in the upper accommodating space; the heat sink 3 is installed at the bottom of the supporting frame 16, i.e., a lower receiving space, and the control device 2 is fixed at the top of the heat sink 3. The radiator 3 comprises a heat conduction plate 31 and a plurality of fins 32 which are made of metal and are in a rectangular shape, connecting holes 3121 are formed on two sides of the heat conduction plate 31, and the heat conduction plate 31 and the support frame 16 are fixed by combining bolts through the connecting holes 3121; the installation portion 311 is provided with a thread groove 3111, the control device 2 and the installation portion 311 are fixed by the thread groove 3111 and a screw. The plurality of fins 32 are fixed in parallel at the bottom of the heat conducting plate 31, and a heat dissipation channel is left between two adjacent fins 32. The top of the heat conducting plate 31 is divided into three rectangular parts, namely a mounting part 311 and two coating parts 312, the mounting part 311 is located between the two coating parts 312, the mounting part 311 protrudes by 0.5 mm relative to the coating parts 312, and the protrusion is reasonable in the range of 0.3-0.7 mm in practice. The coating portion 312 is covered with an anodic oxidation coating, and the control device 2 is basically tightly attached to the mounting portion 311 of the heat sink 3, thereby sealing the mounting portion 311. Due to the novel structure of the heat sink 3, on one hand, the control device 2 directly contacts the mounting part 311 in a close contact manner, air cannot enter the surface of the mounting part 311 in close contact with the control device 2, and therefore the mounting part 311 cannot contact with the air to form an oxide film, and heat can be well transferred between the control device 2 and the mounting part 311 of the heat sink 3; on the other hand, the heat conducting plate 31 is close to the plated part 312 of the control device 2 but not directly contacted with the control device 2, and covers the anodic oxidation plated film, so as to avoid forming an oxide film by combining with air and oxygen, thereby ensuring that the plated part 312 has better heat conducting performance.
The material of the radiator 3 adopts A L6063 (deforming aluminum alloy), the fins 32 and the heat conducting plate 31 are fixed by brazing, after the mutual fixing processing is completed, the whole aluminum anode oxidation treatment is carried out, the anode color is black (the purpose of anode oxidation is to form a layer of compact anode oxidation coating on the surface of the aluminum material, the aluminum material can be prevented from being corroded, the effects of corrosion resistance, insulation and hardening are achieved, the anode color is black, and the heat absorption is better achieved), the surface mounting part 311 is subjected to surface finishing processing (grinding) after the whole anode oxidation, an oxide layer on the surface of the mounting part 311 is removed, the surface of the mounting part 311 is smooth and clean, the roughness Ra is below 0.4, so that the surface of the mounting part can be in contact with the heating control device 2 to conduct heat better, the contact thermal resistance is.
In this embodiment, the composite busbar 4 is bent to form a Z-shape, and the structure of the composite busbar includes an upper bent portion 41, an upright portion 42, and a lower bent portion 43 in this order, the upright portion 42 is perpendicular to the horizontal direction, the upper bent portion 41 is perpendicular to the upright portion 42, and the lower bent portion 43 is perpendicular to the upright portion 42. The capacitors 6 are arranged in two rows below the upper bending part 41, and a heat dissipation gap is reserved between every two adjacent capacitors 6. The capacitor 6 is supported by the support frame 16 upwards, and the capacitor 6 is pressed downwards by the upper bending part 41. The control device 2 is connected with the lower bending part 43, the control device 2 is fixed on the radiator 3, and the radiator 3 is fixed on the support frame 16. Because the compound female novel structure who arranges 4, can be better place electric capacity 6, and electric capacity 6 is more stable under the combined action of support frame 16 and compound female arranging 4, and overall layout is reasonable stable. Fig. 4 shows a portion of the supporting frame 16 for supporting the capacitor 6, in order to achieve more stability of the capacitor 6, the supporting frame 16 is provided with a plurality of limiting holes 161, a limiting protrusion 61 is arranged at the bottom of the capacitor 6, and the limiting protrusion 61 is inserted into the limiting hole 161. The upper bending part 41 is provided with a plurality of wiring holes 411, the top of the capacitor 6 is provided with a wiring bulge 62, and the wiring bulge 62 is inserted into the wiring holes 411.
In this embodiment, the fan is including being used for towards box 1 internal blowing a plurality of air inlet fan 51 and being used for towards box 1 outer convulsions a plurality of air outlet fan 52, air inlet fan 51 is distributed in a row, air inlet fan 51 through the bolt fastening in right side support body 15 and with radiator 3 aligns, air outlet fan 52 install in left side support body 14, air outlet fan 52 has two rows, and one of them row aligns radiator 3, another row aligns electric capacity 6. During the use, air inlet fan 51 drives the air current and flows through lower floor's accommodation space's radiator 3 and upper strata accommodation space's controlling means 2 and electric capacity 6, then discharges with higher speed via air outlet fan 52, and whole radiating effect is better. In order to avoid the composite busbar 4 from blocking the airflow, the upright portion 42 is provided with a plurality of strip-shaped heat dissipation holes 421, and the air brought in by the air inlet fan 51 flows through the heat sink 3 and the control device 2, and then flows through the capacitor 6 through the heat dissipation holes 421 leftwards.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. The utility model provides a take power module of novel radiator, includes that box, control device, radiator, compound female arranging, fan and a plurality of electric capacity, the fan is fixed in the lateral wall of box, electric capacity with control device electricity respectively connects compound female arranging characterized by: the middle part of the box body is provided with a support frame, the capacitor and the radiator are both arranged on the support frame, the radiator comprises a heat conduction plate made of metal materials and a plurality of fins, the fins are fixed at the bottom of the heat conduction plate in parallel, a heat radiation channel is reserved between every two adjacent fins, and the fan blows air towards the heat radiation channel; the top of heat-conducting plate includes installation department and coating film portion, the installation department for coating film portion is protruding, coating film portion covers there is anodic oxidation coating film, the control device hug closely in the installation department of radiator, thereby will the installation department involution.
2. The power module with the novel heat sink as claimed in claim 1, wherein: the protruding height of installation department is 0.3 ~ 0.7 millimeter.
3. The power module with the novel heat sink as claimed in claim 2, wherein: the protruding height of installation department is 0.5 millimeter.
4. The power module with the novel heat sink as claimed in claim 1, wherein: the heat conducting plate is in a cuboid shape.
5. The power module with the novel heat sink as claimed in claim 1, wherein: connecting holes are formed in two side portions of the heat conducting plate, and the heat conducting plate and the supporting frame are fixed through the connecting holes and the connecting bolts; the installation department is opened there is the thread groove, the control device with pass through between the installation department the thread groove combines the screw to fix mutually.
6. The power module with the novel heat sink as claimed in claim 1, wherein: the box includes roof, bottom plate, preceding curb plate, posterior lateral plate, left support body and the right support body that encloses into the inner chamber jointly, the support frame will inside the box divide into the last accommodation space and the lower accommodation space that are linked together, electric capacity with control device is located go up accommodation space, the radiator is located accommodation space down.
7. The power module with the novel heat sink as claimed in claim 6, wherein: the fan is including being used for towards a plurality of air inlet fans of blowing in the box and being used for towards a plurality of air-out fans of external convulsions of box, air inlet fan is fixed in right side support body and with the radiator aligns, air-out fan install in left side support body, and a plurality of air-out fans align respectively electric capacity with the radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922070492.2U CN211127596U (en) | 2019-11-26 | 2019-11-26 | Power module with novel radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922070492.2U CN211127596U (en) | 2019-11-26 | 2019-11-26 | Power module with novel radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211127596U true CN211127596U (en) | 2020-07-28 |
Family
ID=71701544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922070492.2U Active CN211127596U (en) | 2019-11-26 | 2019-11-26 | Power module with novel radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211127596U (en) |
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2019
- 2019-11-26 CN CN201922070492.2U patent/CN211127596U/en active Active
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