CN106028748A - Cooling apparatus for oil-cooling frequency converter - Google Patents
Cooling apparatus for oil-cooling frequency converter Download PDFInfo
- Publication number
- CN106028748A CN106028748A CN201610459002.6A CN201610459002A CN106028748A CN 106028748 A CN106028748 A CN 106028748A CN 201610459002 A CN201610459002 A CN 201610459002A CN 106028748 A CN106028748 A CN 106028748A
- Authority
- CN
- China
- Prior art keywords
- oil
- frequency converter
- ice chest
- radiating seat
- cooling device
- Prior art date
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20927—Liquid coolant without phase change
Abstract
The invention discloses a cooling apparatus for an oil-cooling frequency converter. The cooling apparatus comprises an oil-cooling tank, a circuit part and a radiating base, wherein the circuit part is arranged in the oil-cooling tank; the exterior of the oil-cooling tank is sleeved with the radiating base; the radiating base comprises a base; radiating fins are integrally formed on the base body; an air flow channel which runs through up and down is formed by the fins in a surrounding manner so as to generate a chimney effect, reinforce air convection on the surfaces of the fins, and improve the radiating effect; the oil-cooling tank is filled with nonpolar mineral oil which can be in direct contact with the circuit board, so that sealing is not required and the cost is lowered; in addition, pollution to the circuit board from dust and water vapor and influence to the operation of the circuit also can be avoided; and meanwhile, the mineral oil has high thermal conductivity, so that the heat can be rapidly transferred to the peripheral radiating base so as to ensure the radiating effect.
Description
Technical field
The invention belongs to radiator field, in particular it relates to a kind of oily cold cooling device of frequency converter.
Background technology
At present, frequency converter timing technology is widely used on motor.Converter is the critical component of variable frequency adjustment, work
Substantial amounts of heat can be produced when making, directly affect its service life and performance.Therefore, how people's research is become for converter heat radiation
An important topic.
Existing cooling device of frequency converter, uses air-cooled and water-cooling pattern heat radiation mostly.Utilize air cooling way to dispel the heat, easily lead
Cause dust and enter converter core control, pollute circuit board, affect its performance.And utilize water-cooling pattern heat radiation to be easily generated condensed water
Dew condensation phenomenon, affects converter circuit part and normally works and it needs to carry out seal approach, prevents leakage.It addition, air-cooled and water
Cold radiating mode needs to use blower fan and water pump, and both needs to consume the energy, increases converter use cost.
To this, China is primarily present following patent:
Patent publication No.: CN20248816U, discloses a kind of gilled radiator with stack effect, including a matrix,
On matrix, global formation has fin, described fin to surround the gas channel of up/down perforation.It is upper that the present invention utilizes that fin surrounds
Under through gas channel produce stack effect, enhance the cross-ventilation effect of fin surface, improve gilled radiator
Radiating efficiency.But, it being not particularly suited for converter in this radiator, internal structure is complicated, easy dust stratification and be difficult to clear up.
Summary of the invention
For solving the problem of above-mentioned existence, it is an object of the invention to provide a kind of oily cold cooling device of frequency converter.
For reaching above-mentioned purpose, the technical solution used in the present invention is: a kind of oily cold cooling device of frequency converter, including: one
Radiating seat, including: matrix, for hollow cylinder；Sleeve, is placed on outside hollow cylinder, its length direction and hollow cylinder length side
To unanimously, its axis is consistent with hollow cylinder axis；One group of fin, is evenly distributed on the side elevation of matrix, with hollow cylinder is
Center is arranged radially, and arranges along hollow cylinder length direction, and described fin extends to intrinsic silicon near one end of matrix,
Fin extends to sleeve medial wall away from one end of hollow cylinder.One oil ice chest, including: an oil ice chest main body, cylindrical for class,
Being arranged in radiating seat matrix, matches with radiating seat matrix medial surface in its side, and it is convex to be evenly arranged with the described fin of receiving
Go out the groove of body portion；One for arranging the opening of converter display control panel, is arranged at described oil ice chest upper surface；One
Group level valve, is arranged at described oil ice chest upper surface；One oil-changing valve, is arranged at described oil ice chest lower surface；One group of connection jaws, if
It is placed in described oil ice chest lower surface；Circuit part, vertical hanging is in described oil cold box interior.
Further, described radiating seat is one-body molded.
Separately, described radiating seat is highly consistent with oil ice chest.
Separately having, described oil cold box interior is inoculated with nonpolar mineral oil.
Again, described sleeve lateral surface prolongs vertical direction and is provided with fold.
Further, described radiating seat is aluminum alloy material.
And, described radiating seat sleeve, fin and matrix constitute the gas channel of up/down perforation.
Also, described oil ice chest and radiating seat are separable.
The beneficial effects of the present invention is: the radiating mode that the present invention uses oil cold and radiating seat coordinates, to the change sealed
Frequently device dispels the heat, good heat dissipation effect；Use mineral oil as cooling medium, on the one hand can directly contact circuit board, it is not necessary to
Encapsulation process, saves material, and on the other hand, the mineral oil capacity of heat transmission is relatively strong, can improving radiating effect；Radiating seat uses chimney former
The passive heat radiation of reason, can guarantee that radiating effect, saves the energy simultaneously, cost-effective.
Accompanying drawing explanation
Fig. 1 is the top view of the cold cooling device of frequency converter of a kind of oil of the present invention.
Fig. 2 is the structural representation of the radiating seat sleeve of the cold cooling device of frequency converter of a kind of oil of the present invention.
Fig. 3 is the structural representation of the oily ice chest of the cold cooling device of frequency converter of a kind of oil of the present invention.
Detailed description of the invention
Following example are used for illustrating the present invention, but can not be used for limiting the scope of the present invention.
With reference to Fig. 1 ~ Fig. 3, the oily cold cooling device of frequency converter of one provided by the present invention, described device includes: a heat radiation
Seat 1, including: matrix 11, for hollow cylinder；Sleeve 13, is placed on outside hollow cylinder 11, and its length direction is long with hollow cylinder 11
Degree direction is consistent, and its axis is consistent with hollow cylinder 11 axis；One group of fin 12, is evenly distributed on the side elevation of matrix 11, with
Being arranged radially centered by hollow cylinder 11, arrange along hollow cylinder 11 length direction, described wing 12 is near matrix 11
It is internal that one end extends to matrix 11, and fin 12 extends to sleeve 13 medial wall away from one end of hollow cylinder 11.One oil ice chest 2,
Including: an oil ice chest main body 21, cylindrical for class, it is arranged in radiating seat matrix 11, inside its side and radiating seat matrix 11
Matching in face, and is evenly arranged with the groove (not shown) accommodating described fin protrusion body portion；One is used for arranging converter
The opening 24 of display control panel, is arranged at described oil ice chest 2 upper surface；One group of level valve 22, is arranged on described oil ice chest 2
Surface；One oil-changing valve 23, is arranged at described oil ice chest 2 lower surface；One group of connection jaws 25, is arranged at described oil ice chest 2 lower surface；
Circuit part 3, vertical hanging is internal in described oil ice chest 2.
Further, described radiating seat 1 is one-body molded.
Separately, described radiating seat 1 is highly consistent with oil ice chest 2.
Separately having, described oil ice chest 2 is internal is inoculated with nonpolar mineral oil.
Again, described sleeve 13 lateral surface prolongs vertical direction and is provided with fold 131.
Further, described radiating seat 2 is aluminum alloy material.
And, described radiating seat sleeve 13, fin 12 and matrix 11 constitute the gas channel of up/down perforation.
Also, described oil ice chest 2 and radiating seat 1 are separable.
The occupation mode of the cold cooling device of frequency converter of a kind of oil provided by the present invention is as follows: directly by converter circuit portion
Divide in the mineral oil in 3 immersion oil ice chests 2, owing to mineral oil is nonpolar and non-conductive, do not have thus for circuit part 3
Destroy, electronic original part is not the most damaged.Mineral oil has the specific heat capacity of high 1200 times than air, and heat conduction is rapid, can be fast
Speed transfers heat to radiating seat 1.Radiating seat fin 12, matrix 11 and sleeve 13 are encircled a city the gas channel of up/down perforation, produce
Stack effect, enhances the cross-ventilation effect on fin 12 surface, improves radiating efficiency.Oil ice chest 2 and radiating seat 1 are separable,
Oil ice chest 2 can be extracted out from radiating seat 1 end face or bottom surface, it is simple to radiating seat 1 cleans and oil ice chest 2 is changed oil.
It should be noted that above example is only in order to illustrate technical scheme and unrestricted.Although with reference to relatively
The present invention has been described in detail by good embodiment, it will be understood by those within the art that, can be to the technology of invention
Scheme is modified or equivalent, and without deviating from the scope of technical solution of the present invention, it all should contain the power in the present invention
In profit claimed range.
Claims (8)
1. the cold cooling device of frequency converter of oil, it is characterised in that including: a radiating seat, including: matrix, for hollow cylinder；Set
Cylinder, is placed on outside hollow cylinder, and its length direction is consistent with hollow cylinder length direction, its axis and hollow cylinder axis one
Cause；One group of fin, is evenly distributed on the side elevation of matrix, is arranged radially centered by hollow cylinder, long along hollow cylinder
Degree direction is arranged, and described fin extends to intrinsic silicon near one end of matrix, and fin extends to away from one end of hollow cylinder
Sleeve medial wall；One oil ice chest, including an oil ice chest main body, cylindrical for class, be arranged in radiating seat matrix, its side with
Radiating seat matrix medial surface matches, and is evenly arranged with the groove accommodating described fin protrusion body portion；One is used for arranging
The opening of converter display control panel, is arranged at described oil ice chest upper surface；One group of level valve, is arranged on described oil ice chest
Surface；One oil-changing valve, is arranged at described oil ice chest lower surface；One group of connection jaws, is arranged at described oil ice chest lower surface；Circuit part
Point, vertical hanging is in described oil cold box interior.
The oily cold cooling device of frequency converter of one the most according to claim 1, it is characterised in that described radiating seat one becomes
Type.
The oily cold cooling device of frequency converter of one the most according to claim 1, it is characterised in that described radiating seat and oil ice chest
Highly consistent.
The oily cold cooling device of frequency converter of one the most according to claim 1, it is characterised in that described oil cold box interior is inoculated with
Nonpolar mineral oil.
The oily cold cooling device of frequency converter of one the most according to claim 1, it is characterised in that described sleeve lateral surface prolongs perpendicular
Nogata is to being provided with fold.
The oily cold cooling device of frequency converter of one the most according to claim 1, it is characterised in that described radiating seat is aluminium alloy
Material.
The oily cold cooling device of frequency converter of one the most according to claim 1, it is characterised in that described radiating seat sleeve, wing
Sheet and matrix constitute the gas channel of up/down perforation.
The oily cold cooling device of frequency converter of one the most according to claim 1, it is characterised in that described oil ice chest and radiating seat
Separable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610459002.6A CN106028748A (en) | 2016-06-23 | 2016-06-23 | Cooling apparatus for oil-cooling frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610459002.6A CN106028748A (en) | 2016-06-23 | 2016-06-23 | Cooling apparatus for oil-cooling frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106028748A true CN106028748A (en) | 2016-10-12 |
Family
ID=57085927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610459002.6A Pending CN106028748A (en) | 2016-06-23 | 2016-06-23 | Cooling apparatus for oil-cooling frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106028748A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204334486U (en) * | 2014-11-07 | 2015-05-13 | 北京北广科技股份有限公司 | The power amplifier of tower structure |
| CN105246292A (en) * | 2015-07-20 | 2016-01-13 | 桂林电子科技大学 | Electronic device heat radiator with triangular cross section |
| CN105530800A (en) * | 2015-12-04 | 2016-04-27 | 太仓陶氏电气有限公司 | Oil cooling frequency converter radiator |
| CN205305309U (en) * | 2015-10-12 | 2016-06-08 | 桂林电子科技大学 | Electronic heat sink subassembly in convex cross -section that vertical position used |
| CN205648295U (en) * | 2015-12-04 | 2016-10-12 | 太仓陶氏电气有限公司 | Cold converter cooling device of oil |
-
2016
- 2016-06-23 CN CN201610459002.6A patent/CN106028748A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204334486U (en) * | 2014-11-07 | 2015-05-13 | 北京北广科技股份有限公司 | The power amplifier of tower structure |
| CN105246292A (en) * | 2015-07-20 | 2016-01-13 | 桂林电子科技大学 | Electronic device heat radiator with triangular cross section |
| CN205305309U (en) * | 2015-10-12 | 2016-06-08 | 桂林电子科技大学 | Electronic heat sink subassembly in convex cross -section that vertical position used |
| CN105530800A (en) * | 2015-12-04 | 2016-04-27 | 太仓陶氏电气有限公司 | Oil cooling frequency converter radiator |
| CN205648295U (en) * | 2015-12-04 | 2016-10-12 | 太仓陶氏电气有限公司 | Cold converter cooling device of oil |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161012 |