CN105517412A - Frequency converter - Google Patents
Frequency converter Download PDFInfo
- Publication number
- CN105517412A CN105517412A CN201510848026.6A CN201510848026A CN105517412A CN 105517412 A CN105517412 A CN 105517412A CN 201510848026 A CN201510848026 A CN 201510848026A CN 105517412 A CN105517412 A CN 105517412A
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- Prior art keywords
- hole
- casing
- ventilation hole
- frequency converter
- plate
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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 invention provides a frequency converter comprising a first box body, a second box body covering the first box body, and a driving plate arranged between a first top plate arranged at the first box body and a second base plate arranged at the second box body. A plurality of first electrolytic capacitors are arranged at one side, approaching the second box body, of the driving plate; and a second ventilation hole is formed at the place adjacent to the first electrolytic capacitors. First through holes where the first electrolytic capacitors pass and a first ventilation hole corresponding to the second ventilation hole are formed in the second base plate. A first air flue port and an air outlet communicated with the first air flue port are formed in the first box body; and the first air flue port protrudes from the first top plate and penetrates the second ventilation hole and the first ventilation hole. External air flows through the first electrolytic capacitors and then flows out of the air outlet through the first air flue port. According to the invention, an independent heat radiation air flue is provided for the first electrolytic capacitors arranged on the driving plate, so that a problem of heat radiation of the first electrolytic capacitors can be solved. Moreover, the frequency converter has advantages of small size and low cost.
Description
Technical field
The present invention relates to converter technology field, particularly relate to a kind of frequency converter meeting electrochemical capacitor cooling requirements.
Background technology
Frequency converter inside is equiped with fan and drive plate, the upper electrochemical capacitor installed of drive plate one side is arranged in radiator air passage, fan turns impels outside air to flow into from the air inlet bottom frequency converter, and flow out from air outlet through radiator air passage, with the air blast cooling of the heat radiation and frequency converter inside that realize electrochemical capacitor.But this mode realizing dispelling the heat that is laid in radiator air passage by electrochemical capacitor takies a large amount of space of radiator air passage, hinders air flowing, can not meet the temperature increase requirement of frequency converter inside.For meeting temperature increase requirement, adopt at present and increase frequency converter inner space to promote heat radiation, but this mode makes the volume of frequency converter increase, cost uprises, and has certain restriction to the usage space of frequency converter, is unfavorable for applying of frequency converter.
Therefore, be badly in need of at present a kind ofly can meeting the little and frequency converter that cost is low of drive plate By Electrolysis electric capacity cooling requirements, volume.
Summary of the invention
The object of the present invention is to provide and a kind ofly can meet the little and frequency converter that cost is low of drive plate By Electrolysis electric capacity cooling requirements, volume.
For solving the problems of the technologies described above, invention adopts technical scheme as described below.A kind of frequency converter, comprise the first casing, the second casing covering described first casing and the drive plate be arranged between the first top board of described first casing and the second base plate of described second casing, side near described second casing on described drive plate is provided with some first electrochemical capacitors, and close on described first electrochemical capacitor position and be provided with the second ventilation hole, described second base plate is provided with the first through hole and first ventilation hole that arrange corresponding to described second ventilation hole that pass for described first electrochemical capacitor, the air outlet described first casing being provided with the first wind passage mouth and being communicated with described first wind passage mouth, described first wind passage mouth protrudes and is arranged on described first top board, and described first wind passage mouth is through described second ventilation hole and the first ventilation hole, described air outlet is flowed to through described first wind passage mouth after outside air flows through described first electrochemical capacitor.
Preferably, described second casing comprises the second side plate enclosed in described second base plate, and corresponding described first through hole is provided with the first air inlet on the second side plate near described first through hole, described second base plate is also provided with and encloses edge, describedly enclose along enclosing in described first through hole and the first ventilation hole with second side plate at described first air inlet place, and described in enclose along on be covered with cover plate.
Preferably, the first ventilation hole is than described first through hole closer to air outlet, and outside air flows out from described air outlet through described first electrochemical capacitor and described first wind passage mouth after described first air inlet flows into.
Preferably, described cover plate comprises plate body and is positioned at the bending edge at described plate body two ends, and the relatively described plate body of described two bending edges vertically bends in the same direction.
Preferably, described first wind passage mouth is concordant with described second base plate with the end face after the first ventilation hole through described second ventilation hole.
Preferably, side near described first casing on described drive plate is provided with some second electrochemical capacitors and IGBT, described first top board is provided with the second through hole passed for described second electrochemical capacitor and the third through-hole passed for described IGBT, radiator is provided with in described first casing, described IGBT is mounted on described radiator through described third through-hole, and described second electrochemical capacitor is arranged in the air channel of described radiator side through described second through hole.
Preferably, described first casing comprises the first base plate and encloses the first side plate between described first top board and described first base plate, described air outlet is arranged on the first side plate above the second through hole, the first side plate that described and described air outlet is relative is provided with the second air inlet, outside air flows into from the second air inlet, and flows out from air outlet after flowing through the second electrochemical capacitor.
Preferably, be provided with the supporting bracket protruded to described first top board direction in the middle part of described first base plate, described supporting bracket is for supporting fixing described radiator.
Preferably, described air outlet place is provided with fan.
Advantageous Effects of the present invention is: this frequency converter is by being arranged on the side of drive plate near the second casing by the first electrochemical capacitor, and drive plate is provided with the second ventilation hole, second base plate is arranged the first through hole and first ventilation hole corresponding with the second ventilation hole that pass for the first electrochemical capacitor, on first top board, protruding plate face is provided with the first wind passage mouth, and the first wind passage mouth runs through the second ventilation hole and the first ventilation hole, flow through the first electrochemical capacitor to make outside air and flow out through the first wind passage mouth, to form independent ventiduct, thus realize the first electrochemical capacitor heat radiation, to reach cooling requirements.The radiator structure of mat this independent ventiduct of the present invention, fundamentally solves the problem of the first electrochemical capacitor heat radiation on drive plate, and can reduce frequency converter volume, reduce costs.
Accompanying drawing explanation
Fig. 1 is a kind of exploded view of frequency converter of better embodiment.
Fig. 2 is the installation diagram of the frequency converter in Fig. 1.
Embodiment
For making those of ordinary skill in the art clearly understand the object of invention, technical scheme and advantage, below in conjunction with drawings and Examples, invention is further elaborated.
Shown in Fig. 2, a kind of exploded view of frequency converter of better embodiment and installation diagram.In the present embodiment, this frequency converter 1 comprises the first casing 10, the second casing 30 covering the first casing 10 and the drive plate 20 between the first top board 11 being arranged at the first casing 10 and the second base plate 31 of the second casing 30, side near the second casing 30 on drive plate 20 is provided with some first electrochemical capacitors 21, and close on the first electrochemical capacitor 21 position and be provided with the second ventilation hole 22, second base plate 31 is provided with the first through hole 32 and first ventilation hole 33 that arrange corresponding to the second ventilation hole 22 that pass for the first electrochemical capacitor 21, the air outlet first casing 10 being provided with the first wind passage mouth 12 and being communicated with the first wind passage mouth 12, first wind passage mouth 12 protrudes and is arranged on the first top board 11, and the first wind passage mouth 12 is through the second ventilation hole 22 and the first ventilation hole 33, air outlet is flowed to through the first wind passage mouth 12 after outside air flows through the first electrochemical capacitor 21.
By the first electrochemical capacitor 21 is arranged on the side of drive plate 20 near the second casing 30, and the first wind passage mouth 12 runs through the second ventilation hole 22 and the first ventilation hole 33, flow out through the first wind passage mouth 12 after flowing through the first electrochemical capacitor 21 to make outside air, form independent ventiduct according to this, thus realize dispelling the heat to the first electrochemical capacitor 21, to reach cooling requirements.The radiator structure of mat this independent ventiduct of the present invention, fundamentally solves the problem that on drive plate 20, first electrochemical capacitor 21 dispels the heat, and can reduce frequency converter 1 volume, reduce costs.
Preferably, second casing 30 comprises the second side plate 34 enclosed in the second base plate 31, and corresponding first through hole 32 place is provided with the first air inlet 35 on the second side plate 34 near the first through hole 32, second base plate 31 is also provided with to be enclosed along 36, enclose along 36 and first second side plate 34 at air inlet 35 place enclose in the first through hole 32 and the first ventilation hole 33, and to enclose along being covered with cover plate 37 on 36.
By enclosing the first through hole 32 and the first ventilation hole 33 by enclosing along 36 together with second side plate 34 at the first air inlet 35 place, and enclosing along upper cover closing lid plate 37, thus form the space of being carried out air circulation by the first air inlet 35 and extraneous air, and corresponding first through hole 32 position of the first air inlet 35 is arranged, after the first wind passage mouth 12 runs through the second ventilation hole 22 and the first ventilation hole 33, outside air flows into from the first air inlet 35, air outlet is flowed to through the first wind passage mouth 12 after flowing through the first electrochemical capacitor 21, thus ensure fully contacting of extraneous air and the first electrochemical capacitor 21, effectively take away the heat around the first electrochemical capacitor 21, reach cooling-down effect.
Preferably, the first ventilation hole 33 to the first through hole 32 is closer to air outlet, and outside air flows out from air outlet through the first electrochemical capacitor 21 and the first wind passage mouth 12 after the first air inlet 35 flows into.
Owing to producing heat when the first electrochemical capacitor 21 works, its ambient air can be made to heat up and to become hot-air, according to cross-ventilation principle, relative to the extraneous air entered from the first air inlet 35, hot-air density is little, and hot-air is lighter comparatively speaking, so hot gas can toward rising.Because the first air inlet 35 is corresponding with the first through hole 32, set the first ventilation hole 33 to the first through hole 32 closer to air outlet, contribute to the flowing of air, improving radiating effect.
Preferably, cover plate 37 bending edge 372, two bending edges 372 of comprising plate body 371 and being positioned at plate body 371 two ends relatively plate body 371 vertically bend in the same direction.Bending edge 372 by body 371 and two ends can cover very easily and enclose along on 36, does not extrude the first electrochemical capacitor 21 be advisable with cover plate 37, thus realizes the protection to the first electrochemical capacitor 21, prevents it damaged.In addition simultaneously, cover plate 37 covers along 36 with enclosing mutually by various ways.As engaging, stickup or bolt can be adopted fixing, be certainly not limited to mode cited in the present embodiment.
Preferably, the first wind passage mouth 12 is concordant with the second base plate 31 with the end face after the first ventilation hole 33 through the second ventilation hole 22.Due to extraneous air flow through the first electrochemical capacitor 21 after need to flow to air outlet through the first wind passage mouth 12, first wind passage mouth 12 is concordant with the second base plate 31 with the end face after the first ventilation hole 33 through the second ventilation hole 22, the flowing of air can be more conducive to, to reach best radiating effect.
Side near the first casing 10 on drive plate 20 is provided with some second electrochemical capacitor 23 and IGBT, first top board 11 is provided with the second through hole 14 passed for the second electrochemical capacitor 23 and the third through-hole 15 passed for IGBT, in first casing 10, the position of corresponding third through-hole 15 is provided with radiator, and the surface area of radiator is greater than third through-hole 15, IGBT is fixing on a heat sink through third through-hole 15, and the second electrochemical capacitor 23 is laid in the air channel of radiator side through the second through hole 14.
According to practical application request, at drive plate 20, second electrochemical capacitor 23 can also be set near the side of the first casing 10.In advance radiator is set in the first casing 10, and require that the surface area of radiator is greater than third through-hole 15, with ensure IGBT through can mount on a heat sink after third through-hole 15 and carry out dispelling the heat and the second electrochemical capacitor 23 through the air channel being arranged in radiator side after the second through hole 14, to realize the heat radiation of the second electrochemical capacitor 23.Second electrochemical capacitor 23 is laid in the air channel of radiator side the mode realizing dispelling the heat can not take a large amount of radiator air passage space, and can make smaller volume.
Preferably, first casing 10 comprises the first base plate 17 and encloses the first side plate 16 between the first top board 11 and the first base plate 17, air outlet is arranged on the first side plate 16 above the second through hole 22, first side plate 16 relative with air outlet is provided with the second air inlet 18, outside air flows into from the second air inlet 18, and flows out from air outlet after flowing through the second electrochemical capacitor 23.By the second air inlet 18 that the first side plate 16 is arranged, extraneous air makes the second electrochemical capacitor 23 radiating and cooling be in the air channel of radiator side after flowing into, to reach the temperature increase requirement of frequency converter 1 inside.
Preferably, the first base plate 17 comprises the plate body 171 at two ends and is connected with plate body 171 and the supporting bracket 172 protruded to the first top board 11 direction, and supporting bracket 172 is for supporting fixed heat sink.Because radiator volume is comparatively large, therefore the supporting bracket 172 protruded to the first top board 11 direction is set in the middle part of the first base plate 17, to be used for carrying the weight of radiator, ensures that radiator can by safety supports.In addition, the first base plate 17 covers on the first side plate 16, and the second electrochemical capacitor 23 through the second through hole 14 can also be prevented to be damaged.
Preferably, in the present embodiment, air outlet place is provided with fan 13.When fan 13 rotates, the air of outside accelerates to flow into from the first air inlet 35, and after flowing through the first electrochemical capacitor 21, flows to air outlet through the first wind passage mouth 12, thus realizes the air blast cooling to the first electrochemical capacitor 21, to reach cooling requirements.Meanwhile, the air of outside accelerates to flow into from the second air inlet 18, and flows out from air outlet after flowing through the second electrochemical capacitor 23, thus realizes the air blast cooling to the second electrochemical capacitor 23, to reach cooling requirements.The setting at the second ventilation hole 22 and the first ventilation road junction 12 is passed by the first ventilation hole 33, for the first electrochemical capacitor 21 be configured near the second casing 30 side on drive plate 20 provides an independently heat dissipation wind channel, solve the problem of the first electrochemical capacitor 21 air blast cooling.The present invention can reduce the volume of frequency converter 1, reduces infrastructure cost.
The foregoing is only the preferred embodiment of invention, but not any pro forma restriction is done to invention.Those skilled in the art can impose various equivalent change and improvement on the basis of above-described embodiment, all equivalent variations of doing in right or modification, within the protection range that all should fall into invention.
Claims (9)
1. a frequency converter, it is characterized in that: comprise the first casing, the second casing covering described first casing and the drive plate be arranged between the first top board of described first casing and the second base plate of described second casing, side near described second casing on described drive plate is provided with some first electrochemical capacitors, and close on described first electrochemical capacitor position and be provided with the second ventilation hole, described second base plate is provided with the first through hole and first ventilation hole that arrange corresponding to described second ventilation hole that pass for described first electrochemical capacitor, the air outlet described first casing being provided with the first wind passage mouth and being communicated with described first wind passage mouth, described first wind passage mouth protrudes and is arranged on described first top board, and described first wind passage mouth is through described second ventilation hole and the first ventilation hole, described air outlet is flowed to through described first wind passage mouth after outside air flows through described first electrochemical capacitor.
2. frequency converter as claimed in claim 1, it is characterized in that: described second casing comprises the second side plate enclosed in described second base plate, and corresponding described first through hole is provided with the first air inlet on the second side plate near described first through hole, described second base plate is also provided with and encloses edge, describedly enclose along enclosing in described first through hole and the first ventilation hole with second side plate at described first air inlet place, and described in enclose along on be covered with cover plate.
3. frequency converter as claimed in claim 2, is characterized in that: the first ventilation hole is than described first through hole closer to air outlet, and outside air flows out from described air outlet through described first electrochemical capacitor and described first wind passage mouth after described first air inlet flows into.
4. frequency converter as claimed in claim 2, it is characterized in that: described cover plate comprises plate body and is positioned at the bending edge at described plate body two ends, the relatively described plate body of described two bending edges vertically bends in the same direction.
5. frequency converter as claimed in claim 2, is characterized in that: described first wind passage mouth is concordant with described second base plate with the end face after the first ventilation hole through described second ventilation hole.
6. frequency converter as claimed in claim 1, it is characterized in that: the side near described first casing on described drive plate is provided with some second electrochemical capacitors and IGBT, described first top board is provided with the second through hole passed for described second electrochemical capacitor and the third through-hole passed for described IGBT, radiator is provided with in described first casing, described IGBT is mounted on described radiator through described third through-hole, and described second electrochemical capacitor is arranged in the air channel of described radiator side through described second through hole.
7. frequency converter as claimed in claim 6, it is characterized in that: described first casing comprises the first base plate and encloses the first side plate between described first top board and described first base plate, described air outlet is arranged on the first side plate above the second through hole, the first side plate that described and described air outlet is relative is provided with the second air inlet, outside air flows into from the second air inlet, and flows out from air outlet after flowing through the second electrochemical capacitor.
8. frequency converter as claimed in claim 7, is characterized in that: be provided with the supporting bracket protruded to described first top board direction in the middle part of described first base plate, described supporting bracket is for supporting fixing described radiator.
9. frequency converter as claimed in claim 8, is characterized in that: described air outlet place is provided with fan.
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 true CN105517412A (en) | 2016-04-20 |
| CN105517412B CN105517412B (en) | 2017-12-26 |
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ID=55724927
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 |
|---|---|
| CN (1) | CN105517412B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105873420A (en) * | 2016-05-27 | 2016-08-17 | 华远电气股份有限公司 | Independent air duct structure of frequency converter |
| CN110429799A (en) * | 2019-08-12 | 2019-11-08 | 阳光电源股份有限公司 | A kind of power module and multi-power system |
Citations (8)
| 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 |
| 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 |
| 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 |
-
2015
- 2015-11-26 CN CN201510848026.6A patent/CN105517412B/en active Active
Patent Citations (8)
| 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 |
| 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 |
| 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105873420A (en) * | 2016-05-27 | 2016-08-17 | 华远电气股份有限公司 | Independent air duct structure of frequency converter |
| 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 |
| CN110429799A (en) * | 2019-08-12 | 2019-11-08 | 阳光电源股份有限公司 | A kind of power module and multi-power system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105517412B (en) | 2017-12-26 |
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