CN107846818A - A kind of oil-immersed type industrial microwave variable-frequency power sources - Google Patents
A kind of oil-immersed type industrial microwave variable-frequency power sources Download PDFInfo
- Publication number
- CN107846818A CN107846818A CN201711075249.9A CN201711075249A CN107846818A CN 107846818 A CN107846818 A CN 107846818A CN 201711075249 A CN201711075249 A CN 201711075249A CN 107846818 A CN107846818 A CN 107846818A
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- China
- Prior art keywords
- housing
- wire
- circuit board
- oil
- cover plate
- 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.)
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- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000000565 sealant Substances 0.000 claims abstract description 9
- 239000012530 fluid Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 5
- 238000004512 die casting Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 235000008429 bread Nutrition 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 15
- 238000009434 installation Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 8
- 239000000446 fuel Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000002828 fuel tank Substances 0.000 description 4
- 239000000110 cooling liquid Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- 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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/069—Other details of the casing, e.g. wall structure, passage for a connector, a cable, a shaft
-
- 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
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20236—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures by immersion
-
- 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
- H05K7/209—Heat transfer by conduction from internal heat source to heat radiating structure
Abstract
The present invention relates to a kind of oil-immersed type industrial microwave variable-frequency power sources, including circuit board and power box, high frequency transformer, power cell and wire are fixedly installed in circuit board, power box includes housing and cover plate；It is characterized in that：Wire hole is provided with cover plate, outlet hole post is provided with the medial surface of wire hole, an annular boss is provided with wire hole lateral surface, outlet hole post, annular boss and cover plate are integrally formed, and form integral type wire lead-out structure；Honeycomb seal plug is provided with the inner chamber of outlet column, wire by the honeycomb seal plug from wire hole it is protruding, the part that wire extends to annular boss after the stretching of honeycomb seal plug is sealed by filling with sealant layer, forms integral type wire terminals sealing structure；Circuit board level is placed on the bottom of housing, forms horizontal Push-pull circuit board mounting structure and more air-cooled radiator structures of natural wind contact surface.With the characteristics of simple in construction, installation replacing is convenient, good sealing effect.
Description
Technical field
The present invention relates to a kind of microwave variable-frequency power sources, more particularly, to a kind of oil-immersed type industrial microwave variable-frequency power sources.Belong to
Variable-frequency power sources technical field.
Background technology
At present, microwave variable-frequency power sources is because have the characteristics that efficiency high, light and handy, reliability height, power continuously adjustabe, extensively
It is general to apply in industrial microwave apparatus and micro-wave oven, and it is gradually replacing traditional Industrial Frequency Transformer power supply.Microwave variable-frequency power sources
Belong to switching regulator high frequency electric source, power supply uses high frequency transformer and rectifier bridge, power switch pipe constant power device, these in work
Heat caused by component needs effectively to shed in time, otherwise the too high performance and used life that can influence power supply of temperature rise, very
Damaged to power supply.Therefore, at the more severe scene of a few thing environment, those are become using the microwave of natural air cooled radiator structure
Frequency power, the problem of radiating effect is undesirable be present.
In the prior art, the radiating mode of microwave power supply has two kinds：First, using built-in fans cooling radiating mode, its electricity
Source is open, non-moistureproof, blow-by；There are the following problems for this radiating mode：(1) powder is easily gathered on power supply circuit board
Dirt, integral heat sink effect can be reduced over time and easily causes electrical safety hidden danger；(2) in the more severe feelings of industrial environment
Condition, easily produces power supply short circuit damage or power supply is burnt in high-voltage breakdown, sparking.Second, water circulation cooling is added to dissipate using closed tank
Hot mode, this radiating mode need to increase other oil box and are equipped with a set of cooling water recirculation system, and power supply is positioned over filling
In the casing for filling insulating oil, radiated by water circulation in cooling liquid tube.Problems be present in this mode：(2) oil box is added
It can increase microwave equipment cost of manufacture with water circulation system；(2) cooling liquid tube damaged, cooling liquid tube outlet welding easy to aging easily loosens and drawn
Play oil leak risk；(3) oil box can not be accomplished completely closed, occur that condensed water falls into casing in industry spot, cause power supply
Damage by Short Circuit.
In order to solve the problems, such as that closed tank adds water circulation cooling radiating mode to exist, someone is using oil tank type cooling radiating
Structure, it is characterized in setting the leakproof fuel cell sealed by casing and seal, circuit board and component is immersed in the oil of fuel tank
In liquid, fuel tank is transferred heat to by fluid, so as to reach the purpose of cooling radiating.This oil tank type cooling of prior art
There are the following problems for radiator structure：(1) the complicated of leakproof fuel cell, seal are more, installation and in-convenience in use；(2) seal
The internal structure of fuel tank is unreasonable, and power component fixed installation is more difficult, and radiating effect is poor.
The content of the invention
The technical problem to be solved in the present invention, the i.e. purpose of the present invention, dissipated to solve the cooling of prior art oil tank type
Heat structure has that the complicated of leakproof fuel cell, seal are more, installs and uses inconvenient or leakproof fuel cell internal structure and does not conform to
A kind of the problem of difficulty, radiating effect difference is fixedly mounted in reason, power component, there is provided oil-immersed type industrial microwave variable-frequency power sources.Have
Simple in construction, installation replacing convenience, good sealing effect, totally-enclosed strong adaptability, and good heat dissipation effect, electrical safety hidden danger are few
With reliability it is high the features such as.
The purpose of the present invention can be reached by adopting the following technical scheme that：
A kind of oil-immersed type industrial microwave variable-frequency power sources, including circuit board and power box, it is fixedly installed in the circuit board
There are high frequency transformer, power cell and wire, the power box includes housing and cover plate, and its design feature is：
1) circuit board and power cell are immersed in the insulation fluid of housing cavity, form oil immersed type structure；
2) wire hole is provided with cover plate, outlet hole post is provided with the medial surface of wire hole, is provided with wire hole lateral surface
One annular boss, outlet hole post, annular boss and cover plate are integrally formed, and form integral type wire lead-out structure；In outlet column
Inner chamber is provided with honeycomb seal plug, wire by the honeycomb seal plug from wire hole it is protruding, wire is from porous close
Sealing plug extends to annular boss part after stretching out is sealed by filling with sealant layer, forms the sealing of integral type wire terminals
Structure；
3) circuit board level is placed on the bottom of housing, and specifically described circuit board level, which is put into, to be arranged in housing both sides
In the parallel groove of wall, horizontal Push-pull circuit board mounting structure is formed；
4) radiating surface of the power component of the power cell by heat conductive insulating ceramic gasket and heat sink wherein
One side is bonded, and the another side of heat sink is bonded with the back side panel of housing, is given the heat transfer of power component with described
Housing, form more air-cooled radiator structures of natural wind contact surface.
The purpose of the present invention can also be reached by adopting the following technical scheme that：
Further, the back plate edge of circuit board is connected by the bottom surface of screw and heat sink, and heat sink is consolidated by screw
It is scheduled on the back side panel of housing.
Further, the back side panel of housing is provided with multiple fixed columns, and fixed column includes screwed hole；The fixed column with
The back side panel of housing is integrally formed；Include multiple fixing holes on the heat sink, the fixing hole is enclosed in fixed column, heat sink
Fixed screw screw in described screwed hole, heat sink is fixed on the back side panel of housing.
Further, multiple locating grooves are included in cover inner surface, circuit board foreboard edge is stuck in locating groove；Lid
Plate outer surface includes wire hole, steam vent, tank filler sleeve and fixed ear；The lower edge of housing both sides inwall is respectively provided with a parallel groove；
Spacing is provided between parallel groove and the housing bottom inwall on the inwall of the housing both sides, and spacing is equal；It is described
Circuit board level is inserted in described parallel groove.
Further, the sealant layer is formed by epoxy resin.
Further, the housing is die casting, sets multi-disc fin in the outer surface of housing, formation is uniformly distributed
Formula flaky radiator structure.
Further, the bottom of the housing is provided with several fixed columns, and screwed hole is provided with the fixed column, described
Fixed column is in same level；In the housing in addition to the side being connected with cover plate, its make five including bottom surface
Side is respectively provided with multi-disc fin, and formation is uniformly distributed formula flaky radiator structure.
Further, the wire include input lead, output lead and communication wire, input lead, output lead and
Communication wire is respectively welded on circuit boards.The position of wire and welding circuit board apply one layer of epoxy resin, prevent fluid along
Wire oozes out power box, prevents power supply oil leak.
The present invention has beneficial effect prominent as follows：
1. the present invention is provided with outlet hole post, in wire hole due to being provided with wire hole in cover plate in the medial surface of wire hole
Lateral surface is provided with an annular boss, and outlet hole post, annular boss and cover plate are integrally formed, and forms integral type wire lead-out structure；
Be provided with honeycomb seal plug in the inner chamber of outlet column, wire by the honeycomb seal plug from wire hole it is protruding, lead
The part that line extends to annular boss after the stretching of honeycomb seal plug is sealed by filling with sealant layer, forms integral type wire
Exit sealing structure, by forming integral type wire lead-out structure and integral type wire terminals sealing structure, so as to simplify
The sealing structure of fuel tank, it can solve the problem that prior art oil tank type cooling radiator structure has the complicated, close of leakproof fuel cell
Sealing is more, installs and uses the problems such as inconvenience, and there is simple in construction, installation to change convenience, good sealing effect, totally-enclosed adaptability
The features such as strong and beneficial effect.
2. the present invention by the radiating surface of the power component of power cell due to passing through heat conductive insulating ceramic gasket and radiating
The wherein one side fitting of plate, the another side of heat sink is bonded with the back side panel of housing, with the heat by power component
Amount passes to housing, forms more air-cooled radiator structures of natural wind contact surface；Therefore it can solve the problem that internal structure is unreasonable, power
The problem of difficult, radiating effect difference is fixedly mounted in element, has simple in construction, good heat dissipation effect, electrical safety hidden danger few and can
By property it is high the features such as and beneficial effect.
Brief description of the drawings
Fig. 1 is the stereogram of the specific embodiment of the invention 1.
Fig. 2 is the internal structure schematic diagram of the specific embodiment of the invention 1.
Fig. 3 is the front view of the specific embodiment of the invention 1.
Fig. 4 is A-A in Fig. 3 to structure sectional view.
Fig. 5 is the rearview of the specific embodiment of the invention 1.
Fig. 6 is the upward view of the specific embodiment of the invention 1.
Fig. 7 is circuit board and component assembly structure schematic diagram in the specific embodiment of the invention 1.
Fig. 8 is the upward view of the cover plate of the specific embodiment of the invention 1.
Fig. 9 is the front view of the cover plate of the specific embodiment of the invention 1.
Figure 10 is the top view of the cover plate of the specific embodiment of the invention 1.
Embodiment
Specific embodiment 1：
Reference picture 1- Figure 10, the oil-immersed type industrial microwave variable-frequency power sources that the present embodiment is related to, including circuit board 4 and power supply box
Body, high frequency transformer 5, power cell and wire is fixedly installed in the circuit board 4, the power box includes the He of housing 2
Cover plate 3, the circuit board 4 and power cell are immersed in the insulation fluid of the inner chamber of housing 2, form oil immersed type structure；In cover plate 3
In be provided with wire hole 304, be provided with outlet hole post 305 in the medial surface of wire hole 304, a ring be provided with the lateral surface of wire hole 304
Shape boss 12, outlet hole post 305, annular boss 12 and cover plate 3 are integrally formed, and form integral type wire lead-out structure；In outlet
The inner chamber of post 305 is provided with honeycomb seal plug 307, wire by the honeycomb seal plug 307 from wire hole 304 to overhanging
Go out, the part that wire extends to annular boss 12 after the stretching of honeycomb seal plug 307 is sealed by filling with sealant layer, is formed
Integral type wire terminals sealing structure；Circuit board 4 lies in a horizontal plane in the bottom of housing 2, and the specifically described level of circuit board 4 is put
In the parallel groove 203 for entering to be arranged on the both sides inwall of housing 2, horizontal Push-pull circuit board mounting structure is formed；The power list
The radiating surface of the power component 6 of member is bonded by heat conductive insulating ceramic gasket 9 with the wherein one side of heat sink 7, heat sink 7
Another side be bonded with the back side panel 201 of housing 2, with the heat transfer by power component 6 to housing 2, formed more
The air-cooled radiator structure of natural wind contact surface.
In the present embodiment：
The back plate edge 402 of circuit board 4 is connected by screw 13 with the bottom surface of heat sink 7, and heat sink 7 is solid by screw 13
It is scheduled on the back side panel 201 of housing 2.
The back side panel 201 of housing 2 is provided with multiple fixed columns 202, and fixed column 202 includes screwed hole；The fixed column
202 are integrally formed with the back side panel 201 of housing 2；Include multiple fixing holes 701,701 sets of the fixing hole on the heat sink 7
In fixed column 202, the fixed screw of heat sink 7 screws in described screwed hole, and heat sink 7 is fixed on to the back side panel of housing 2
On 201.
Include multiple locating grooves 306 in the inner surface of cover plate 3, the foreboard edge 401 of circuit board 4 is stuck in locating groove 306；
The outer surface of cover plate 3 includes wire hole 304, steam vent 301, tank filler sleeve 302 and fixed ear 303；The lower edge of the both sides inwall of housing 2 is each
Provided with a parallel groove 203；It is provided between parallel groove 203 and the bottom interior wall of the housing 2 on the both sides inwall of housing 2
Spacing, and spacing is equal；The level of circuit board 4 is inserted in described parallel groove 203.
The sealant layer is formed by epoxy resin.
The housing 2 is die casting, sets multi-disc fin 206 in the outer surface of housing 2, formation is uniformly distributed formula piece
Shape heat spreader structures.
The wire includes input lead 101, output lead 102 and communication wire 103, input lead 101, output lead
102 are respectively welded on the circuit board 4 with communication wire 103.Wire applies one layer of epoxy resin with the position that circuit board 4 welds, and prevents
Only fluid oozes out power box along wire, prevents power supply oil leak.
Cover plate 3 is fixed by screws at the front opening of housing 2.Filling insulating oil (transformer oil) inside power box,
Circuit board 4, high frequency transformer 5, power component 6 are all immersed in the fluid of power box.Lead between housing 2 and cover plate 3
Cushion rubber 8 is crossed to seal.
Circuit board 4 is placed horizontally in housing 2；Circuit board 4 is parallel with the bottom surface of housing 2, circuit board 4 and component unit
Main by weight born by the bottom of housing 2 so that power supply is placed steady, reduce mains oscillations in transportation；Use peace
It is complete firm.
The lower edge of the both sides inwall of housing 2 is respectively provided with a parallel groove 203；Chute 203 and housing on the both sides inwall of housing 2
There is spacing between 2 bottom interior walls, and spacing is equal；Circuit board 4 is horizontally inserted in chute 203；Assemble simple and convenient.
Housing 2 is die casting, and the outside of housing 2 is cast with multi-disc fin 206, and described fin 206 is laminated structure,
Area of dissipation is big, there is certain space air channel between abutting fins, can reach preferable radiating effect.
The pin of power component 6 is welded with circuit board 4, and power component 6 is fixed on heat sink 7 by screw 14,
The radiating surface of power component 6 is first bonded with heat conductive insulating ceramic gasket 9, then entirety is bonded with the wherein one side of heat sink 7, is dissipated
The another side of hot plate 7 is bonded with the back side panel 201 of housing, by the heat transfer of power component 6 to housing 2.
There are multiple fixed columns 202 on the back side panel 201 of housing 2, there is screwed hole in fixed column 202, have on heat sink 7 correspondingly
Multiple fixing holes 701, fixing hole 701 are enclosed in fixed column 202, and the fixed screw 15 of heat sink 7 screws in the screw thread of fixed column 202
Hole, heat sink 7 is fixed on the back side panel 201 of housing 2.The back plate edge 402 of circuit board 4 passes through screw 13 and heat sink 7
Bottom surface be connected.
The inner surface of cover plate 3 has multiple locating grooves 306, and the foreboard edge 401 of circuit board 4 is stuck among locating groove 306；
There are steam vent 301, tank filler sleeve 302 and fixed ear 303 in the outer surface of cover plate 2；Steam vent 301 and tank filler sleeve 302 are respectively intended to install
Fuel door 10 and air bleeding valve 11；Fixed ear 303 is integrally formed with cover plate, for link terminal.Honeycomb seal plug 307 with
On extend to filling with sealant in the endoporus of annular boss 12.
The interior outlet hole post on the surface of cover plate 2 and outer wire hole are integrally formed design with cover plate, and enclosure interior is connected with the external world
Component is less, reduces because part distortion, season cracking cause the situation of oil leak；It is used cooperatively with honeycomb seal plug 307,
Good sealing effect；Less additionally, due to part, assembling procedure is reduced, and efficiency improves.
The heat transfer of power component 6 has two ways, first, being transferred heat to by insulating oil thermal convection
Housing 2, second, transferring heat to housing 2 by heat sink 7；High frequency transformer 5 mainly will by insulating oil thermal convection
Heat transfer plays better heat dissipation effect to housing 2.
The back side panel outer surface of housing 2 is not plane, there is multi-disc fin, and the back side panel of housing 2 is fixed heat sink 7, is main
The heat conduction path wanted, because main radiating surface has fin, it is more beneficial for enclosure interior heat being transferred out, is advantageous to dissipate
Heat.In the case where industrial environment is relatively more severe, for example environment temperature is higher, and equipment needs work for 24 hours, and industrial equipment leads to
Often meeting additional fans strengthen radiating, and fan is arranged on to the position of the back side panel outer surface of housing 2, and radiating effect is more preferable.
Housing bottom surface 204 has multi-disc fin, and housing bottom surface 204 is provided with four fixed columns 205, and four fixed columns are same
On one horizontal plane, fixed column, can also be high by housing bottom frame except for fixed power source, and air channel is more between making bottom surface fin
Greatly, radiating effect is more preferable.
Claims (8)
- It is fixed in the circuit board (4) 1. a kind of oil-immersed type industrial microwave variable-frequency power sources, including circuit board (4) and power box High frequency transformer (5), power cell and wire are provided with, the power box includes housing (2) and cover plate (3), its feature exist In：1) circuit board (4) and power cell are immersed in the insulation fluid of housing (2) inner chamber, form oil immersed type structure；2) wire hole (304) is provided with cover plate (3), outlet hole post (305) is provided with the medial surface of wire hole (304), is going out String holes (304) lateral surface is provided with an annular boss (12), outlet hole post (305), annular boss (12) and cover plate (3) one into Type, form integral type wire lead-out structure；Honeycomb seal plug (307) is provided with the inner chamber of outlet column (305), wire passes through institute It is protruding from wire hole (304) to state honeycomb seal plug (307), wire extends after honeycomb seal plug (307) stretching Sealed to the part of annular boss (12) by filling with sealant layer, form integral type wire terminals sealing structure；3) circuit board (4) lies in a horizontal plane in the bottom of housing (2), and specifically described circuit board (4) level, which is put into, is arranged on housing (2) in the parallel groove (203) of both sides inwall, horizontal Push-pull circuit board mounting structure is formed；4) radiating surface of the power component (6) of the power cell passes through heat conductive insulating ceramic gasket (9) and heat sink (7) Wherein one side is bonded, and the another side of heat sink (7) is bonded with the back side panel (201) of housing (2), with described by power member device The heat transfer of part (6) gives housing (2), forms more air-cooled radiator structures of natural wind contact surface.
- A kind of 2. oil-immersed type industrial microwave variable-frequency power sources according to claim 1, it is characterised in that：After circuit board (4) Edges of boards are connected along (402) by screw (13) with the bottom surface of heat sink (7), and heat sink (7) is fixed on housing by screw (13) (2) on back side panel (201).
- A kind of 3. oil-immersed type industrial microwave variable-frequency power sources according to claim 1, it is characterised in that：The rear side of housing (2) Plate (201) is provided with multiple fixed columns (202), and fixed column (202) includes screwed hole；The fixed column (202) and housing (2) Back side panel (201) be integrally formed；Include multiple fixing holes (701) on the heat sink (7), the fixing hole (701) is enclosed on In fixed column (202), the fixed screw of heat sink (7) screws in described screwed hole, and heat sink (7) is fixed on into housing (2) On back side panel (201).
- A kind of 4. oil-immersed type industrial microwave variable-frequency power sources according to claim 1, it is characterised in that：In cover plate (3) interior table Face includes multiple locating grooves (306), and circuit board (4) foreboard edge (401) is stuck in locating groove (306)；Cover plate (3) appearance Bread includes string holes (304), steam vent (301), tank filler sleeve (302) and fixed ear (303)；The lower edge of housing (2) both sides inwall It is respectively provided with a parallel groove (203)；In parallel groove (203) and the housing (2) bottom on the inwall of housing (2) both sides Spacing is provided between wall, and spacing is equal；The circuit board (4) is horizontal to be inserted in described parallel groove (203).
- A kind of 5. oil-immersed type industrial microwave variable-frequency power sources according to claim 1, it is characterised in that：The sealant layer by Epoxy resin is formed.
- A kind of 6. oil-immersed type industrial microwave variable-frequency power sources according to claim 1, it is characterised in that：The housing (2) is Die casting, multi-disc fin (206) is set in the outer surface of housing (2), formation is uniformly distributed formula flaky radiator structure.
- A kind of 7. oil-immersed type industrial microwave variable-frequency power sources according to claim 1, it is characterised in that：The housing (2) Bottom is provided with several fixed columns (205), screwed hole is provided with the fixed column (205), the fixed column (205) is same On horizontal plane；In the housing (2) in addition to the side being connected with cover plate (3), that it makees five sides including bottom surface is each Provided with multi-disc fin (206), formation is uniformly distributed formula flaky radiator structure.
- A kind of 8. oil-immersed type industrial microwave variable-frequency power sources according to claim 1, it is characterised in that：The wire includes defeated Enter wire (101), output lead (102) and communication wire (103), input lead (101), output lead (102) and communication are led Line (103) is respectively welded on circuit board (4).Wire and the position of circuit board (4) welding apply one layer of epoxy resin, prevent fluid Power box is oozed out along wire, prevents power supply oil leak.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711075249.9A CN107846818A (en) | 2017-11-06 | 2017-11-06 | A kind of oil-immersed type industrial microwave variable-frequency power sources |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711075249.9A CN107846818A (en) | 2017-11-06 | 2017-11-06 | A kind of oil-immersed type industrial microwave variable-frequency power sources |
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| CN107846818A true CN107846818A (en) | 2018-03-27 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108712084A (en) * | 2018-05-31 | 2018-10-26 | 徐州帝意电子有限公司 | One kind is for care the car high-tension high-power supply unit and implementation method |
| CN111010845A (en) * | 2019-11-11 | 2020-04-14 | 广东尚研电子科技有限公司 | Air-cooled immersion oil industry microwave variable frequency power supply |
| CN111148339A (en) * | 2020-01-09 | 2020-05-12 | 广州美立达电子技术有限公司 | Active heat dissipation system |
| CN116321883A (en) * | 2023-05-17 | 2023-06-23 | 之江实验室 | High-water-tightness high-power device heat dissipation device applied to deep sea |
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| JPH1116740A (en) * | 1997-06-25 | 1999-01-22 | Matsushita Electric Ind Co Ltd | Case of oil-immersed transformer and manufacture thereof |
| US6411514B1 (en) * | 2001-03-08 | 2002-06-25 | Rally Manufacturing, Inc. | Power inverter with heat dissipating assembly |
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| CN207639060U (en) * | 2017-11-06 | 2018-07-20 | 佛山市鸿盛智能科技有限公司 | A kind of oil-immersed type industrial microwave variable-frequency power sources |
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| CN108712084A (en) * | 2018-05-31 | 2018-10-26 | 徐州帝意电子有限公司 | One kind is for care the car high-tension high-power supply unit and implementation method |
| CN111010845A (en) * | 2019-11-11 | 2020-04-14 | 广东尚研电子科技有限公司 | Air-cooled immersion oil industry microwave variable frequency power supply |
| CN111010845B (en) * | 2019-11-11 | 2021-12-21 | 广东尚研电子科技股份有限公司 | Air-cooled immersion oil industry microwave variable frequency power supply |
| CN111148339A (en) * | 2020-01-09 | 2020-05-12 | 广州美立达电子技术有限公司 | Active heat dissipation system |
| CN111148339B (en) * | 2020-01-09 | 2023-06-23 | 广州美立达电子技术有限公司 | Active heat dissipation system |
| CN116321883A (en) * | 2023-05-17 | 2023-06-23 | 之江实验室 | High-water-tightness high-power device heat dissipation device applied to deep sea |
| CN116321883B (en) * | 2023-05-17 | 2023-08-18 | 之江实验室 | High-water-tightness high-power device heat dissipation device applied to deep sea |
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