CN105517412B - A kind of frequency converter - Google Patents
A kind of frequency converter Download PDFInfo
- Publication number
- CN105517412B CN105517412B CN201510848026.6A CN201510848026A CN105517412B CN 105517412 B CN105517412 B CN 105517412B CN 201510848026 A CN201510848026 A CN 201510848026A CN 105517412 B CN105517412 B CN 105517412B
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- air
- plate
- casing
- electrochemical capacitor
- frequency converter
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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
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Inverter Devices (AREA)
Abstract
The present invention provides a kind of frequency converter, including the first casing, driving plate between the second casing for covering the first casing and the first top plate and the second bottom plate of the second casing that are arranged at the first casing, side in driving plate close to the second casing is provided with some first electrochemical capacitors, and close on the first electrochemical capacitor opening position and be provided with the second air vent, the first through hole passed through for the first electrochemical capacitor and the first air vent being correspondingly arranged with the second air vent are provided with second bottom plate, the first wind passage mouth and the air outlet connected with the first wind passage mouth are provided with first casing, first wind passage mouth protrusion is arranged on the first top plate, and first wind passage mouth through the second air vent and the first air vent, outside air flows through flows to air outlet after the first electrochemical capacitor through the first wind passage mouth.The present invention provides an independent heat dissipation wind channel to configure the first electrochemical capacitor in driving plate, solves the first electrochemical capacitor heat dissipation problem, and the frequency converter has the advantages of small volume, cost is low.
Description
Technical field
The present invention relates to converter technology field, more particularly to a kind of frequency converter for meeting electrochemical capacitor cooling requirements.
Background technology
Fan and driving plate are equiped with inside frequency converter, the electrochemical capacitor installed in driving plate one side is located at radiator air passage
In, fan, which rotates, promotes the air of outside to be flowed into from the air inlet of frequency converter bottom, and is flowed out through radiator air passage from air outlet,
To realize the air blast cooling inside the radiating and frequency converter of electrochemical capacitor.However, this be laid in radiator wind by electrochemical capacitor
Realize that the mode of radiating takes the substantial amounts of space of radiator air passage in road, hinder air flow, it is impossible to meet inside frequency converter
Temperature increase requirement.To meet temperature increase requirement, increase frequency converter inner space is used at present to promote to radiate, but this mode causes
The volume increase of frequency converter, cost uprise, and to the popularization for having certain limitation using space, being unfavorable for frequency converter of frequency converter
Using.
Therefore, it is badly in need of a kind of disclosure satisfy that electrochemical capacitor cooling requirements in driving plate, small volume and the low change of cost at present
Frequency device.
The content of the invention
It is an object of the invention to provide one kind disclosure satisfy that electrochemical capacitor cooling requirements, small volume and cost in driving plate
Low frequency converter.
In order to solve the above technical problems, invention uses technical scheme as described below.A kind of frequency converter, including the first case
Body, the second casing for covering first casing and it is arranged at the first top plate of first casing and second casing
Driving plate between second bottom plate, the side of second casing is provided with some first electrolysis electricity in the driving plate
Hold, and close on the first electrochemical capacitor opening position and be provided with the second air vent, be provided with second bottom plate for described the
First through hole that one electrochemical capacitor passes through and the first air vent being correspondingly arranged with second air vent, on first casing
It is provided with the first wind passage mouth and the air outlet connected with first wind passage mouth, the first wind passage mouth protrusion is arranged at described the
On one top plate, and first wind passage mouth, through second air vent and the first air vent, outside air flows through described
After first electrochemical capacitor the air outlet is flowed to through first wind passage mouth.
Preferably, second casing includes enclosing in the second side plate of second bottom plate, and close to described first
Corresponded on second side plate of through hole and the first air inlet is provided with the first through hole, be additionally provided with and enclose on second bottom plate
Edge, the edge of enclosing are enclosed in the first through hole and the first air vent, and institute with the second side plate where first air inlet
State and enclose along being above covered with cover plate.
Preferably, the first air vent is than the first through hole closer to air outlet, and outside air is from first air intake
Mouth flows out after flowing into through first electrochemical capacitor and first wind passage mouth from the air outlet.
Preferably, the cover plate includes plate body and the bending edge positioned at the plate body both ends, and described two bending edges are relative
The plate body is vertically bent in the same direction.
Preferably, first wind passage mouth passes through the end face and described second after second air vent and the first air vent
Bottom plate is concordant.
Preferably, in the driving plate close to first casing side be provided with some second electrochemical capacitors and
IGBT, the second through hole for being passed through for second electrochemical capacitor and passed through for the IGBT the are provided with first top plate
Three through holes, radiator is provided with first casing, the IGBT is mounted on the radiator through the third through-hole,
Second electrochemical capacitor is located in the air channel of the radiator side through second through hole.
Preferably, first casing includes the first bottom plate and enclosed between first top plate and first bottom plate
The first side plate, the air outlet is arranged on the first side plate above the second through hole, described relative with the air outlet
The second air inlet is provided with side plate, outside air flows into from the second air inlet, and flows through after the second electrochemical capacitor from going out
Flow out in air port.
Preferably, the supporting plate of the oriented first top plate direction protrusion, the support are set in the middle part of first bottom plate
Plate is used to support the fixed radiator.
Preferably, it is provided with fan at the air outlet.
The advantageous effects of the present invention are：The frequency converter by the first electrochemical capacitor by being arranged on driving plate close to
The side of two casings, and driving plate is provided with the second air vent, the passed through for the first electrochemical capacitor is set on the second bottom plate
One through hole and the first air vent corresponding with the second air vent, the first top plate protrude above plate face and are provided with the first wind passage mouth, and
One wind passage mouth runs through the second air vent and the first air vent, so that outside air flows through the first electrochemical capacitor and through the first air channel
Mouth outflow, to form independent ventiduct, the first electrochemical capacitor is radiated so as to realize, to reach cooling requirements.By this of the present invention
The radiator structure of kind independent ventiduct, fundamentally solve the problems, such as that the first electrochemical capacitor radiates in driving plate, and can reduce
Frequency converter volume, reduces cost.
Brief description of the drawings
Fig. 1 is a kind of exploded view of the frequency converter of better embodiment.
Fig. 2 is the installation diagram of the frequency converter in Fig. 1.
Embodiment
To make one of ordinary skill in the art that the purpose, technical scheme and advantage of invention be more clearly understood, below
Invention is further elaborated in conjunction with the accompanying drawings and embodiments.
Referring to figs. 1 to shown in Fig. 2, a kind of exploded view and installation diagram of the frequency converter of better embodiment.In the present embodiment
In, the frequency converter 1 includes the first casing 10, cover the second casing 30 of the first casing 10 and is arranged at the of the first casing 10
Driving plate 20 between one top plate 11 and the second bottom plate 31 of the second casing 30, close to the side of the second casing 30 in driving plate 20
Some first electrochemical capacitors 21 are provided with, and closes on the opening position of the first electrochemical capacitor 21 and is provided with the second air vent 22, the second bottom
The first through hole 32 passed through for the first electrochemical capacitor 21 is provided with plate 31 and is led to the second air vent 22 is correspondingly arranged first
Air holes 33, the first wind passage mouth 12 and the air outlet connected with the first wind passage mouth 12, the first wind passage mouth are provided with the first casing 10
12 protrusions are arranged on the first top plate 11, and the first wind passage mouth 12 is through the second air vent 22 and the first air vent 33, outside
Air flow through and flow to air outlet through the first wind passage mouth 12 after the first electrochemical capacitor 21.
By the way that the first electrochemical capacitor 21 is arranged on into driving plate 20 close to the side of the second casing 30, and the first wind passage mouth 12
Through the second air vent 22 and the first air vent 33, so that outside air is flowed through after the first electrochemical capacitor 21 and through the first air channel
Mouth 12 flows out, and forms independent ventiduct according to this, the first electrochemical capacitor 21 is radiated so as to realize, to reach cooling requirements.By this hair
The radiator structure of bright this independent ventiduct, fundamentally solve the problems, such as that first electrochemical capacitor 21 radiates in driving plate 20,
And the volume of frequency converter 1 can be reduced, reduce cost.
Preferably, the second casing 30 includes enclosing the second side plate 34 in the second bottom plate 31, and close to first through hole 32
The second side plate 34 on correspond to the first air inlet 35 be provided with first through hole 32, be additionally provided with and enclosed along 36 on the second bottom plate 31,
Enclose and enclosed along the second side plate 34 where 36 and the first air inlet 35 in the air vent 33 of first through hole 32 and first, and enclose along 36
It is covered with cover plate 37.
Enclose first through hole 32 and first by that will enclose together with the second side plate 34 where the first air inlet 35 along 36 and lead to
Air holes 33, and enclosing along cover plate 37 is above covered, air circulation is carried out with extraneous air by the first air inlet 35 so as to be formed
Space, and the corresponding position of first through hole 32 of the first air inlet 35 is set, when the first wind passage mouth 12 is through the second air vent 22 and the
After one air vent 33, outside air flows into from the first air inlet 35, flows through after the first electrochemical capacitor 21 through the first wind passage mouth 12
Air outlet is flowed to, so as to ensure fully contacting for extraneous air and the first electrochemical capacitor 21, effectively takes away the first electrochemical capacitor
Heat around 21, reaches cooling-down effect.
Preferably, the first air vent 33 is than first through hole 32 closer to air outlet, and outside air is from the first air inlet 35
Flowed out after inflow through the first electrochemical capacitor 21 and the first wind passage mouth 12 from air outlet.
Due to producing heat when the first electrochemical capacitor 21 works, the atmosphere temperature rising around it can be made to become hot-air, according to
Cross-ventilation principle, for the extraneous air entered from the first air inlet 35, hot-air density is small, and comparatively heat is empty
Gas is lighter, so hot gas can be toward rising.Because the first air inlet 35 is corresponding with first through hole 32, the first air vent 33 to the is set
One through hole 32 contributes to the flowing of air, improving radiating effect closer to air outlet.
Preferably, cover plate 37 includes plate body 371 and the bending edge 372 positioned at the both ends of plate body 371, two phases of bending edge 372
To the vertical bending in the same direction of plate body 371.It can very easily cover and enclose by body 371 and the bending edge at both ends 372
Along along 36, not extruding the first electrochemical capacitor 21 with cover plate 37 is advisable, and so as to realize the protection to the first electrochemical capacitor 21, prevents it
It is damaged.Again while cover plate 37 can cover with enclosing along 36 phases in several ways.Such as engaging, stickup or bolt can be used to consolidate
It is fixed etc., it is certainly not limited to mode cited in the present embodiment.
Preferably, the first wind passage mouth 12 is through the end face after the second air vent 22 and the first air vent 33 and the second bottom plate 31
Concordantly.Need to flow to air outlet, the first wind passage mouth 12 through the first wind passage mouth 12 after flowing through the first electrochemical capacitor 21 due to extraneous air
It is concordant with the second bottom plate 31 through the end face after the second air vent 22 and the first air vent 33, the flowing of air can be more conducive to,
To reach optimal radiating effect.
Side in driving plate 20 close to the first casing 10 is provided with some second electrochemical capacitors 23 and IGBT, the first top plate
The second through hole 14 passed through for the second electrochemical capacitor 23 and the third through-hole 15 passed through for IGBT, the first casing 10 are provided with 11
The opening position of interior corresponding third through-hole 15 is provided with radiator, and the surface area of radiator is more than third through-hole 15, and IGBT is passed through
Third through-hole 15 is fixed on a heat sink, and the second electrochemical capacitor 23 is laid in the air channel of radiator side through the second through hole 14
In.
According to practical application request, second electrochemical capacitor can also be set close to the side of the first casing 10 in driving plate 20
23.Radiator is set in the first casing 10 in advance, and requires that the surface area of radiator is more than third through-hole 15, to ensure IGBT
It can mount on a heat sink and be radiated and the second electrochemical capacitor 23 passes through the second through hole 14 after through third through-hole 15
Afterwards in the air channel of radiator side, to realize the radiating of the second electrochemical capacitor 23.Second electrochemical capacitor 23 is laid in radiating
The mode of radiating is realized in the air channel of device side will not take a large amount of radiator air passage spaces, and volume can be made to diminish.
Preferably, the first casing 10 include the first bottom plate 17 and enclose between the first top plate 11 and the first bottom plate 17 the
Side plate 16, air outlet is arranged on the first side plate 16 of the top of the second through hole 22, on the first side plate 16 relative with air outlet
The second air inlet 18 is provided with, outside air flows into from the second air inlet 18, and flows through after the second electrochemical capacitor 23 from air-out
Mouth outflow.By the second air inlet 18 set on the first side plate 16, extraneous air causes in radiator side after flowing into
The radiating and cooling of the second electrochemical capacitor 23 in air channel, to reach the temperature increase requirement inside frequency converter 1.
Preferably, the plate body 171 of the first bottom plate 17 including both ends and it is connected with plate body 171 and convex to the direction of the first top plate 11
The supporting plate 172 gone out, supporting plate 172 are used to support fixed heat sink.Because radiator volume is larger, therefore in the first bottom plate 17
Portion sets the supporting plate 172 protruded to the direction of the first top plate 11, for carrying the weight of radiator, to ensure that radiator can be by
Safety supports.In addition, the first bottom plate 17 is covered on the first side plate 16, the second electricity through the second through hole 14 is also prevented from
Solution electric capacity 23 is damaged.
Preferably, in the present embodiment, fan 13 is provided with air outlet.When fan 13 rotates, the air of outside adds
Speed flows into from the first air inlet 35, and after flowing through the first electrochemical capacitor 21, air outlet is flowed to through the first wind passage mouth 12, so as to realize
Air blast cooling to the first electrochemical capacitor 21, to reach cooling requirements.Meanwhile the air of outside accelerates to flow from the second air inlet 18
Enter, and flow through and flowed out from air outlet after the second electrochemical capacitor 23, so as to realize the air blast cooling to the second electrochemical capacitor 23, with up to
To cooling requirements.Setting by the first air vent 33 through the second air vent 22 and the first ventilation road junction 12, is driving for configuration
The first electrochemical capacitor 21 on dynamic plate 20 close to the side of the second casing 30 provides an independent heat dissipation wind channel, solves first
The problem of 21 air blast cooling of electrochemical capacitor.The present invention can reduce the volume of frequency converter 1, reduce infrastructure cost.
The preferred embodiment of invention is the foregoing is only, rather than any formal limitation is done to invention.The skill of this area
Art personnel can impose various equivalent changes and improvement on the basis of above-described embodiment, all to be done within the scope of the claims
Equivalent variations or modification, it all should fall within the protection domain of invention.
Claims (9)
- A kind of 1. frequency converter, it is characterised in that：Including the first casing, cover the second casing of first casing and be arranged at Driving plate between second bottom plate of the first top plate of first casing and second casing, close to institute in the driving plate The side for stating the second casing is provided with some first electrochemical capacitors, and closes on the first electrochemical capacitor opening position and be provided with second Air vent, be provided with second bottom plate first through hole that is passed through for first electrochemical capacitor and with second air vent The first air vent being correspondingly arranged, the first wind passage mouth is provided with first casing and is gone out with what first wind passage mouth connected Air port, the first wind passage mouth protrusion is arranged on first top plate, and first wind passage mouth is logical through described second Air holes and the first air vent；Second casing includes enclosing in the second side plate of second bottom plate, and close to described the Corresponded on second side plate of one through hole and the first air inlet is provided with the first through hole, be additionally provided with and enclose on second bottom plate Edge, the edge of enclosing are enclosed in the first through hole and the first air vent with the second side plate where first air inlet；So that Through described in first wind passage mouth flow direction after the extraneous air of first air inlet inflow flows through first electrochemical capacitor Air outlet.
- 2. frequency converter as claimed in claim 1, it is characterised in that：It is described to enclose along being above covered with cover plate.
- 3. frequency converter as claimed in claim 2, it is characterised in that：First air vent is than the first through hole closer to air-out Mouthful, outside air goes out after first air inlet inflow through first electrochemical capacitor and first wind passage mouth described in Flow out in air port.
- 4. frequency converter as claimed in claim 2, it is characterised in that：The cover plate includes plate body and positioned at the plate body both ends Bending edge, the relatively described plate body of described two bending edges are vertically bent in the same direction.
- 5. frequency converter as claimed in claim 2, it is characterised in that：First wind passage mouth is through second air vent and the End face after one air vent is concordant with second bottom plate.
- 6. frequency converter as claimed in claim 1, it is characterised in that：Side in the driving plate close to first casing is set Some second electrochemical capacitors and IGBT are equipped with, second passed through for second electrochemical capacitor is provided with first top plate and is led to Hole and the third through-hole passed through for the IGBT, radiator are provided with first casing, the IGBT passes through the described 3rd Through hole is mounted on the radiator, and second electrochemical capacitor is located at the wind of the radiator side through second through hole In road.
- 7. frequency converter as claimed in claim 6, it is characterised in that：First casing includes the first bottom plate and enclosed in described The first side plate between first top plate and first bottom plate, the air outlet are arranged on the first side plate above the second through hole On, it is provided with the second air inlet on first side plate relative with the air outlet, outside air is from the second air inlet stream Enter, and flowed out after flowing through the second electrochemical capacitor from air outlet.
- 8. frequency converter as claimed in claim 7, it is characterised in that：Oriented first top plate is set in the middle part of first bottom plate The supporting plate of direction protrusion, the supporting plate are used to support the fixed radiator.
- 9. frequency converter as claimed in claim 8, it is characterised in that：Fan is provided with the air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510848026.6A CN105517412B (en) | 2015-11-26 | 2015-11-26 | A kind of frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510848026.6A CN105517412B (en) | 2015-11-26 | 2015-11-26 | A kind of frequency converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105517412A CN105517412A (en) | 2016-04-20 |
| CN105517412B true CN105517412B (en) | 2017-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510848026.6A Active CN105517412B (en) | 2015-11-26 | 2015-11-26 | A kind of frequency converter |
Country Status (1)
| Country | Link |
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| CN (1) | CN105517412B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105873420B (en) * | 2016-05-27 | 2018-09-28 | 华远电气股份有限公司 | A kind of independent ventiduct structure of frequency converter |
| CN110429799B (en) * | 2019-08-12 | 2021-01-08 | 阳光电源股份有限公司 | Power module and multi-power system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340235A (en) * | 2011-09-09 | 2012-02-01 | 杭州优迈科技有限公司 | Heat-radiating structure of frequency converter |
| JP2012039745A (en) * | 2010-08-06 | 2012-02-23 | Toshiba Mitsubishi-Electric Industrial System Corp | Power conversion equipment |
| CN203301352U (en) * | 2013-07-02 | 2013-11-20 | 浙江海利普电子科技有限公司 | Frequency converter heat dissipation structure and frequency converter |
| CN103701299A (en) * | 2013-12-10 | 2014-04-02 | 深圳市正弦电气股份有限公司 | Converter |
| CN104080314A (en) * | 2013-03-28 | 2014-10-01 | 控制技术有限公司 | Devices And Methods For Cooling Components On A PCB |
| CN204652208U (en) * | 2015-06-10 | 2015-09-16 | 长沙贝士德电气科技有限公司 | Frequency converter cavity structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204216772U (en) * | 2014-11-18 | 2015-03-18 | 深圳市英威腾电气股份有限公司 | A kind of new type inverter |
| CN204349767U (en) * | 2014-12-04 | 2015-05-20 | 重庆科川电气有限公司 | Radiating structure of frequency converter |
-
2015
- 2015-11-26 CN CN201510848026.6A patent/CN105517412B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012039745A (en) * | 2010-08-06 | 2012-02-23 | Toshiba Mitsubishi-Electric Industrial System Corp | Power conversion equipment |
| CN102340235A (en) * | 2011-09-09 | 2012-02-01 | 杭州优迈科技有限公司 | Heat-radiating structure of frequency converter |
| CN104080314A (en) * | 2013-03-28 | 2014-10-01 | 控制技术有限公司 | Devices And Methods For Cooling Components On A PCB |
| CN203301352U (en) * | 2013-07-02 | 2013-11-20 | 浙江海利普电子科技有限公司 | Frequency converter heat dissipation structure and frequency converter |
| CN103701299A (en) * | 2013-12-10 | 2014-04-02 | 深圳市正弦电气股份有限公司 | Converter |
| CN204652208U (en) * | 2015-06-10 | 2015-09-16 | 长沙贝士德电气科技有限公司 | Frequency converter cavity structure |
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| Publication number | Publication date |
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| CN105517412A (en) | 2016-04-20 |
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