CN116844827A - Oil-cooled high-power inductor and mounting method thereof - Google Patents
Oil-cooled high-power inductor and mounting method thereof Download PDFInfo
- Publication number
- CN116844827A CN116844827A CN202310946701.3A CN202310946701A CN116844827A CN 116844827 A CN116844827 A CN 116844827A CN 202310946701 A CN202310946701 A CN 202310946701A CN 116844827 A CN116844827 A CN 116844827A
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- China
- Prior art keywords
- shell
- coil
- oil
- water
- power inductor
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- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 230000017525 heat dissipation Effects 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 6
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 239000000498 cooling water Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/022—Encapsulation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/16—Water cooling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Transformer Cooling (AREA)
Abstract
The invention discloses an oil-cooled high-power inductor and an installation method thereof, wherein the oil-cooled high-power inductor comprises a shell, a top cover, a magnetic core, a coil and a lead wire, wherein a vent hole is formed in a middle column of the magnetic core and penetrates through the whole magnetic core body; the bottom is equipped with the circulation water course in the shell, the circulation water course includes water inlet and outlet, holds water cavity and bottom, hold water cavity in be equipped with a plurality of blend stops and form the rivers passageway, the water inlet and outlet sets up in the shell both sides respectively, the bottom is fixed with the shell bottom matching. The invention can better solve the heat dissipation problem of the product, so that the product can continuously output with high efficiency in a severe environment, and the product has small volume, but the output of power and efficiency is unchanged, thereby achieving the purpose of saving cost.
Description
Technical Field
The invention relates to an inductor for a vehicle-mounted power supply and an installation method thereof, in particular to an oil-cooled high-power inductor.
Background
At present, the commonly used high-power inductors such as BOOST/BUCK are relatively large in use power, and the use environment is usually under the conditions of high temperature and high humidity. The existing heat dissipation is mostly in a natural cooling mode, so that the working efficiency of the product is reduced and the output efficiency of the whole power supply is greatly reduced due to overhigh environment and self temperature in the use process of the product. And the current market demand power supply product is mostly smaller in size, and under the condition that the efficiency demand is more increased, the size of the high-power inductor is required to be correspondingly reduced, and the heat dissipation effect of the product is more reduced. Therefore, the invention can effectively solve the problems and can be more suitable for the demands of the market and the clients.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the oil-cooled high-power inductor and the installation method thereof, which better solve the heat dissipation problem of products, ensure that the oil-cooled high-power inductor continuously outputs high efficiency under severe environments, have small product volume, but provide unchanged output of power and efficiency, and achieve the aim of saving cost.
In order to achieve the above purpose, the present invention provides the following technical solutions: an oil-cooled high-power inductor comprises a shell, a top cover, a magnetic core, a coil and a lead wire, wherein a vent hole is formed in a middle column of the magnetic core and penetrates through the whole magnetic core body; the bottom is equipped with the circulation water course in the shell, the circulation water course includes water inlet and outlet, holds water cavity and bottom, hold water cavity in be equipped with a plurality of blend stops and form the rivers passageway, the water inlet and outlet sets up in the shell both sides respectively, the bottom is fixed with the shell bottom matching.
Preferably, the diameter of the ventilation holes is 2-4mm.
Preferably, the length, width and height of the shell are 162.15mm, 102.15mm and 71mm.
As a further improvement, salient points are arranged at the bottom of the shell and the inside of the top cover, so that the coil is in an overhead state.
Preferably, the coil is a flat copper wire.
Preferably, the housing is die cast aluminum.
The method for installing the oil-cooled high-power inductor comprises the steps of winding a coil on a magnetic core, assembling the magnetic core in a shell, enabling the wound coil to be in overhead with corresponding convex points in the shell, aligning the convex points on the shell with the coil, firmly fixing the coil in the shell, and filling ATF heat dissipation oil in the coil until the coil is immersed in the whole; assembling the bottom cover at the bottom of the shell, and fixing the bottom cover; the two sides of the assembled finished shell are respectively provided with a water inlet and a water outlet, and the water inlet and the water outlet are connected into a cooling water channel in the vehicle, so that water flow in a bottom water channel circularly flows.
According to the improvement of the magnetic core, the temperature of the winding positions of the side columns at the two sides is about 97.7 ℃ at the highest, so that the temperature of the magnetic core and the coil in working is reduced, the electric performance of the magnetic core is ensured to reach rated power, and the temperature of the middle column of the magnetic core is considered to reach about 95 ℃. Therefore, the air holes with the diameter of 3mm are formed in the middle column of the magnetic core and penetrate through the whole magnetic core body, so that the dissipation of the internal temperature of the product is well solved. Even under smaller volume, the temperature inside the magnetic core can reach a certain degree of heat dissipation through the air holes when the product is in a working state.
According to the improvement of the winding wire, the wire used by the product is a flat copper wire, so that the heat spreading area of the surface of the copper wire is increased, heat dissipation can be assisted when the temperature of the product is too high during working, and the output power and the output efficiency of the product are ensured.
The product of the invention has the advantages that the shell is made of die-cast aluminum, and the heat dissipation performance of the material is better. In order to achieve better heat dissipation effect, a circulating water channel is added at the bottom of the shell, and heat of internal products is taken away by utilizing circulating water in the water channel.
The invention has the beneficial effects that: the air holes are formed in the middle column of the magnetic core, so that the air permeability is better through the whole magnetic core body; the bottom in the shell is provided with a circulating water channel which is connected in the cooling water channel in the vehicle, so that water flow in the bottom water channel circularly flows, the heat dissipation problem of the product is effectively solved, and the product can be continuously and efficiently output in a severe environment; the length and width of the product shell are 162.15mm, 102.15mm and 71mm, the size is small, but the output of power and efficiency is unchanged, the output power and efficiency are stable, the increase of the output power of the whole vehicle is improved, the loss is reduced, the service life is prolonged, and the aim of saving the cost is fulfilled.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the internal structure of an embodiment of the present invention;
FIG. 3 is a schematic view of the bottom structure of an embodiment of the present invention;
FIG. 4 is a schematic diagram of a magnetic core according to an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of a magnetic core according to an embodiment of the present invention;
FIG. 6 is a schematic view of a circulating waterway structure according to an embodiment of the present invention;
FIG. 7 is a schematic view of the interior of the top cover according to an embodiment of the present invention;
FIG. 8 is a schematic view of the inside of a bottom cover according to an embodiment of the present invention;
in the figure: 1. a housing; 2. a magnetic core; 3. a coil; 4. a lead wire; 5. the method comprises the steps of carrying out a first treatment on the surface of the 6. A water containing cavity; 7. a barrier strip; 8. ventilation holes; 9. a bump; 10. and (3) a bottom cover.
Detailed description of the invention Water inlet and outlet
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1: the oil-cooled high-power inductor comprises a shell 1, a top cover, a magnetic core 2, a coil 3 and a lead 4, wherein the shell 1 is made of die-cast aluminum, the length and width of the shell 1 are 162.15mm, 102.15mm and 71mm, the volume is reduced, the installation volume of a whole vehicle power supply can be effectively reduced, and the product cost is effectively reduced. The coil 3 is a flat copper wire.
And the middle column of the magnetic core is provided with an air vent 8, the whole magnetic core 2 body is penetrated, and the diameter of the air vent 8 is 3mm. The inner bottom of the shell 1 is provided with a circulating water channel, the circulating water channel comprises a water inlet and outlet 5, a water containing cavity 6 and a bottom cover 7, a plurality of baffle strips 7 are arranged in the water containing cavity 6 to form a water flow channel, the water inlet and outlet 5 is respectively arranged on two sides of the shell 1, and the bottom cover 10 is matched and fixed with the bottom of the shell 1. Salient points 9 are arranged at the bottom of the shell 1 and inside the top cover, so that the coil 3 is in an overhead state, and the coil 3 and the shell 1 are completely isolated and insulated, and the heat dissipation distance between the coil 3 and the shell 1 is ensured.
Example 2: the installation method of the oil-cooled high-power inductor comprises the steps of winding a coil on a magnetic core 2, assembling the coil in a shell 1, enabling the wound coil 3 to be in overhead with corresponding convex points in the shell, aligning the convex points on the shell 1 with the coil 3, firmly fixing the coil 3 in the shell 1, and filling the coil 3 with ATF heat dissipation oil until the coil 3 is immersed completely; the bottom cover 7 is assembled at the bottom of the shell 1 and is fixed; the two sides of the assembled finished shell 1 are respectively provided with a water inlet and a water outlet, and are connected into a cooling water channel in the vehicle, so that water flow in the bottom water channel circularly flows.
The invention is mainly used in oil vehicles, hybrid vehicles and pure electric vehicles, and because the product has small volume and weight, the product can be easily fixed in a power supply box in the vehicle, two ends of the product are connected in a cooling water channel in the vehicle, and the heat of the product is taken away by using the cooling water channel in the vehicle or the circulating flow of cooling liquid in the vehicle during working, so that the product has stable electrical property under the condition of high-power output.
Claims (7)
1. The utility model provides an oil-cooled high-power inductor, includes shell (1), top cap, magnetic core (2), coil (3) and lead wire (4), its characterized in that: an air hole (8) is formed in the middle column of the magnetic core and penetrates through the whole magnetic core (2) body; the utility model discloses a water circulation device, including shell (1) and bottom, be equipped with the circulation water course in shell (1), the circulation water course includes water inlet and outlet (5), holds water cavity (6) and bottom (7), be equipped with a plurality of blend stop (7) in holding water cavity (6) and form the rivers passageway, water inlet and outlet (5) set up respectively in shell (1) both sides, bottom (7) are fixed with shell (1) bottom matching.
2. An oil-cooled high power inductor as claimed in claim 1, wherein: the diameter of the ventilation (8) holes is 2-4mm.
3. An oil-cooled high power inductor as claimed in claim 1, wherein: the length, width and height of the shell (1) are 162.15mm, 102.15mm and 71mm.
4. An oil-cooled high power inductor as claimed in claim 1, wherein: salient points (9) are arranged at the bottom of the shell (1) and inside the top cover, so that the coil (3) is in an overhead state.
5. An oil-cooled high power inductor as claimed in claim 1, wherein: the coil (3) adopts flat copper wires.
6. An oil-cooled high power inductor as claimed in claim 1, wherein: the shell (1) is made of die-cast aluminum.
7. An oil-cooled high-power inductor installation method is characterized in that: after winding a coil on a magnetic core (2), assembling the coil in a shell (1), enabling the wound coil (3) to correspond to salient points in the shell, enabling the coil (3) to be overhead, aligning the salient points on the shell (1) with the coil (3), firmly fixing the coil (3) in the shell (1), and filling the inside with ATF heat dissipation oil until the coil (3) is completely immersed; the bottom cover (7) is assembled at the bottom of the shell (1) and is fixed; the two sides of the assembled finished shell (1) are respectively provided with a water inlet and a water outlet, and the water inlets and the water outlets are connected into a cooling water channel in the vehicle so that water flow in a bottom water channel circularly flows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310946701.3A CN116844827A (en) | 2023-07-31 | 2023-07-31 | Oil-cooled high-power inductor and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310946701.3A CN116844827A (en) | 2023-07-31 | 2023-07-31 | Oil-cooled high-power inductor and mounting method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116844827A true CN116844827A (en) | 2023-10-03 |
Family
ID=88170850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310946701.3A Pending CN116844827A (en) | 2023-07-31 | 2023-07-31 | Oil-cooled high-power inductor and mounting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116844827A (en) |
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2023
- 2023-07-31 CN CN202310946701.3A patent/CN116844827A/en active Pending
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