CN105703644A - Power converter - Google Patents
Power converter Download PDFInfo
- Publication number
- CN105703644A CN105703644A CN201510749848.9A CN201510749848A CN105703644A CN 105703644 A CN105703644 A CN 105703644A CN 201510749848 A CN201510749848 A CN 201510749848A CN 105703644 A CN105703644 A CN 105703644A
- Authority
- CN
- China
- Prior art keywords
- flow
- cooling air
- carry out
- constitution equipment
- partition wall
- Prior art date
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Classifications
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- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
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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
Abstract
A power converter can uniformly cool the whole constitution equipment, especially a capacitor, dust attached and accumulated on an exposed terminal portion and a main circuit connecting conductor portion is little, and the power converter is suitable for application at high voltage. The inside of a box body forms a plurality of partition chambers, at least one of the partition chambers forms forced crossflow which can cool air from the outside, and the partition chamber adjacent to the at least one partition chamber across a dividing wall forms forced crossflow which cannot cool air from the outside. Constitution equipment, which are required to be cooled, of the power converter is accommodated in the partition chamber which can perform forced crossflow to cool air, and connecting terminal portions of the constitution equipment accommodated in the partition chamber pass through the dividing wall and are exposed to the partition chamber which cannot perform forced crossflow to cool air. In the partition chamber which cannot perform forced crossflow to cool air, connecting conductors are used to connect the exposed connecting terminals portions of the constitution equipment and connecting terminals portions of other constitution equipment with each other.
Description
Technical field
The present invention relates to a kind of power conversion device, this power conversion device includes the casing that the constitution equipment of DC-to-AC converter constant power conversion equipment is housed, and makes to ventilate in this casing and cooled down by internal constitution equipment。
Background technology
In general, the control circuit etc. that inverter constant power conversion equipment contains the semiconductor rectifier cell constituting rectification circuit in casing, constitutes the main circuit constitution equipments such as the thyristor of inverter circuit and the smoothing capacity device that is arranged between the output portion of rectification circuit and the input portion of inverter circuit and inverter circuit。
Further, rise especially for the temperature suppressing the main circuit constitution equipments such as the big semiconductor element of caloric value and capacitor, it is necessary to above-mentioned main circuit constitution equipment is cooled down。For this, generally by the cooling air that will suck from one end of casing from the way of the discharge of the other end of casing, making cooling air force through-flow will be accommodated in the constitution equipment cooling of inside at box house。
Such as Patent Document 1, well-known such utilization cools down the power conversion device that air carries out cooling down always。Represent the past case of this power conversion device in fig. 8。
In fig. 8, symbol 50 is the rectangular-shaped casing of the main body constituting power conversion device。One end of this casing 50 is provided with air inlet 52, the other end relative with one end is provided with air vent 53。It is provided with by the cooling fan 54 attracting fan to be constituted in the way of relative with the air vent 53 of casing 50。It addition, contain in the inside of this casing 50 constitute power conversion device semiconductor rectifier cell, make thyristor be formed as module and the cooling body 62 with radiating fin that the semiconductor module block element 61 that obtains is combined with this semiconductor module block element 61, for the capacitor 63 making DC voltage smooth, semiconductor module element 61 is carried out the control circuit 64 of on-off control and for the constitution equipment such as terminal board 65 of the pull-out and connection that carry out main circuit conductor and control line。Semiconductor module block element 61 is connected conductor 66 with capacitor 63 by main circuit and connects。At this although not shown, but each constitution equipment be fixed on the scaffold of casing 50 or inside by suitable support services。
In this power conversion device, by driving cooling fan 54, from air inlet 52, extraneous air is drawn in casing 50 as cooling air。This cooling air through-flow being discharged from air vent 53 in casing。Casing 50 plays a role as a wind-tunnel, is therefore inhaled into the cooling air in casing by the interior wall guided of casing, towards air vent 53 through-flow。In this through-flow process, cooling air contacts with each constitution equipment being housed in inside and is cooled down by each constitution equipment。The cooling air that thus temperature is risen by cooling fan 54 is utilized to be discharged to the outside from air vent 53。
Dust etc. contained in extraneous air enters in casing after being got rid of major part by filter。But, the cooling air entered in casing still contains the small dust having passed through filter of trace。Therefore, when operating between making power conversion device long-term, cooling down air in casing in the process of through-flow what suck from extraneous air, the small dust contained by this cooling air adheres to and is deposited in the surface of each constitution equipment。When this dust is attached to the terminal of the charged constitution equipment exposed and main circuit connects on conductor 66, insulation is hindered to become the reason of short circuit accident, impact operating。
Therefore, membrane filter installed by the air inlet 52 at casing 50, suppresses the suction of dust。However, it is difficult to fully suppress the suction of dust。Thus, tackle by increasing the insulation distance of each constitution equipment, but like this, there is the problem especially making the power conversion device used under high voltages maximize。
It addition, in this power conversion device, divide room as it is shown in figure 9, the next door 55 that the inside of casing 50 is made up of metallic plate is separated into two and separately houses constitution equipment, cool down in each division indoor。That is, house, dividing of a side, cooling body 62 and the capacitor 63 that the semiconductor module block element 61 big with caloric value is combined in the 51a of room, in the division room 51b of the opposing party, house remaining constitution equipment and connect conductor 66 etc.。Further, in the way of being respectively communicated with, air inlet 52a, 52b and air vent 53a, 53b it are provided with at each division room 51a, 51b。In the way of relative with air vent 53a, 53b respectively, it is provided with cooling fan 54a, 54b at air vent 53a, 53b。
When cooling fan 54a, 54b of making each division room operate, the extraneous air being drawn in each division room 51a, 51b from air inlet 52a, 52b divides indoor through-flow as cooling air each, is discharged to the outside from air vent 53a, 53b。In this process, the constitution equipment that cooling air is indoor with being housed in each division contacts and is cooled down by each constitution equipment。
So, utilizing next door 55 that casing 50 is divided and each room that divides of being formed is separated less, therefore cooling air concentrates stream to being housed in each indoor constitution equipment that divides, therefore, it is possible to raising cooling effect。
This conventional power conversion device the next door 55 that the inside of casing 50 separates is made up of metallic plates such as steel plates。On the other hand, expose the capacitor 63 connecting terminal and be necessary to ensure that the insulation distance connecting terminal with next door 55。For this, the part making the main part of capacitor 63 is prominent to the top in next door 55, a part for the main part of capacitor is arranged in outside division room 51a。But when so arranged, it is difficult to cool down whole capacitor equably, it is necessary to use the capacitor that resistance to thermal capacity is big。
It addition, divide room 51b also by making the utilization cooling fan 54b extraneous air sucked be cooled at internal through-flow。Therefore, in long operation process, the small dust contained by extraneous air adheres to and is stacked into the surface of the constitution equipment being housed in the 51b of this division room。Owing to the link subband electricity of the main circuit conductor 66 being connected with capacitor 63 by semiconductor module block element 61 and capacitor 63 exposes, therefore because small dust accretions to above-mentioned main circuit conductor and connection terminal occur the probability of insulation obstacle to increase。Therefore, the room that divides with the main circuit conductor that insulation processing is not carried out and terminal is necessary to ensure that the sufficient insulation distance of constitution equipment。As a result of which it is, there is the problem making power conversion device maximize。
Prior art literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2005-348533 publication
Summary of the invention
This invention address that the problem in above-mentioned conventional device, solve the technical problem that and be in that to provide one can cool down whole constitution equipment, particularly capacitor equably, the attachment of dust in the portion of terminal exposed and main circuit connecting conductor, pile up less power conversion device。
In order to solve above-mentioned technical problem, the power conversion device of the present invention is constituted by housing constitution equipment in the casing closed, it is characterized in that, utilize partition wall by the inside separation of above-mentioned casing in multiple division room that is internally formed of this casing, at least one in this division room is formed to carry out the pressure through-flow of cooling air from outside, at least one divides room and clips the pressure through-flow that the adjacent division room of above-mentioned partition wall is formed as carrying out cooling down air from outside with this, the constitution equipment that the needs of above-mentioned power conversion device carry out cooling down is housed the above-mentioned division indoor forcing through-flow that can carry out cooling air, the connections portion of terminal making to be housed in the indoor constitution equipment of this division runs through above-mentioned partition wall and is exposed to the above-mentioned division indoor forcing through-flow that can not carry out cooling air, in these division indoor forcing through-flow that can not carry out cooling air, utilize connect conductor by the connections portion of terminal exposed of above-mentioned constitution equipment to each other and and other constitution equipment connection portion of terminal between connection, thus above-mentioned constitution equipment is electrically connected to each other。
It addition, in the present invention, above-mentioned partition wall is constituted better by insulating properties thin plate, and as insulating properties thin plate, the synthetic resin thin plate with flexibility is applicable。
By making the chimeric of corresponding position being arranged on the framework of above-mentioned partition wall and the above-mentioned casing being made up of the synthetic resin thin plate with flexibility be fitted together to each other with breach, it is thus possible to this partition wall is fixed on the framework of casing。
It addition, above-mentioned constitution equipment comprises capacitor, above-mentioned partition wall is provided with the through-Penetration portion forcing the above-mentioned division of through-flow indoor for making the connection portion of terminal of this capacitor be exposed to can not to carry out cooling air。Further, the side, above-mentioned division room forcing through-flow by not carrying out cooling air of this through-Penetration portion is provided with the portion of cutting。
In addition, also the above-mentioned division room being formed with the pressure through-flow that can carry out cooling air up and down at above-mentioned casing can be formed as, intermediate formation at above-mentioned casing has the above-mentioned division room forcing through-flow that can not carry out cooling air, the link subdivision being housed in the constitution equipment of each above-mentioned division indoor forcing through-flow that can carry out cooling down air is made not run through partition wall and be exposed to the adjacent above-mentioned division indoor forcing through-flow that can not carry out cooling air, in these division indoor forcing through-flow that can not carry out cooling air, utilize connection conductor will connect between above-mentioned connection portion of terminal, thus the constitution equipment electrical connection that the above-mentioned division indoor forcing through-flow that can carry out cooling air will be housed in。
Adopt the present invention, the needs of power conversion device are carried out the constitution equipment cooled down, house to the division indoor forcing through-flow that can carry out cooling air utilizing partition wall to be formed separating in casing, what make this constitution equipment connects the division indoor that terminal runs through partition wall and is exposed to the structure clipping the adjacent through-flow that can not carry out cooling air of this partition wall, in these division indoor forcing through-flow that can not carry out cooling air, connection conductor is utilized the connection portion of terminal exposed of above-mentioned constitution equipment to each other and to be electrically connected with between the connection portion of terminal of other constitution equipment。By such composition, the connection portion of terminal of the constitution equipment exposed and connection conductor are housed in the division indoor forcing through-flow that can not carry out cooling air, even if thus experience long time running, also occurring the attachment of minute dusts to pile up hardly。Thus, the insulation distance more than needed for not guaranteeing in casing just can keep insulating properties long-term and stably。This miniaturization being device is contributed。
It addition, by constituting partition wall with insulant, almost no longer need to consider the insulation distance of the connection portion of terminal with the constitution equipment running through this partition wall。Further, only it is arranged on, by connecting portion of terminal, the division room forcing through-flow that cooling air can not be carried out。Additionally, due to the division of through-flow can be forced indoor by what need the main body entirety of constitution equipment that carry out cooling down to be housed in can to carry out cooling air, therefore, it is possible to improve the cooling effect of this constitution equipment, make constitution equipment miniaturization。
Accompanying drawing explanation
Fig. 1 indicates that the sectional view of the schematic construction of the first embodiment of the power conversion device of the present invention。
Fig. 2 indicates that the side view of the state after being unloaded by side panel of the second embodiment of the power conversion device of the present invention。
Fig. 3 indicates that the axonometric chart of the outward appearance of the state after being unloaded by side panel of the second embodiment of the power conversion device of the present invention。
Fig. 4 indicates that the sectional view of the structure of the second embodiment of the power conversion device of the present invention。
Fig. 5 is by the partial perspective view of the partition wall in the second embodiment of the power conversion device of the present invention Yu the integrated structure enlarged representation of box frame。
Fig. 6 is by the partial perspective view of the terminal through-Penetration portion enlarged representation of the partition wall in the second embodiment of the present invention。
Fig. 7 indicates that the sectional view of the application examples of the second embodiment of the present invention。
Fig. 8 indicates that the sectional view of the past case of power conversion device。
Fig. 9 indicates that the sectional view of another past case of power conversion device。
(symbol description)
11 ... casing；12 ... air inlet；13 ... air vent；14 ... cooling fan；15 ... insulating properties partition wall；16 ... the division room forcing through-flow of cooling air can be carried out；17 ... the division room forcing through-flow of cooling air can not be carried out；21 ... semiconductor module block element；21a ... connect terminal；22 ... the cooling body of semiconductor module block element；23 ... capacitor；23a ... connect terminal；24 ... control circuit；25 ... terminal board；26 ... connect conductor。
Detailed description of the invention
The embodiment utilizing diagram illustrates embodiments of the present invention。
[embodiment 1]
Fig. 1 represents the schematic construction of the first embodiment of the power conversion device of the present invention。
In FIG, symbol 11 is the casing of the closing of the main body constituting power conversion device, is generally formed by steel plate。The partition wall 15 being such as made up of plastic insulating properties thin plate is utilized to form two divide room 16,17 by separating in casing 11。
Divide room 16 and include opening at relative end face, be formed as carrying out the pressure through-flow of cooling air。That is, be formed as in opening making extraneous air enter into the air inlet 12 in casing 11, make another be formed as in casing to the air vent 13 of extraneous air aerofluxus。It is provided with by the cooling fan 14 attracting fan to be constituted in the way of relative with air vent 13, so that extraneous air enters from air inlet 12 as cooling air。This cooling air carries out in the inside dividing room 16 forcing through-flow to be discharged from air vent 13。In contrast, all perisporiums dividing room 17 clipping partition wall 15 adjacent with dividing room 16 are closed, be formed as carrying out the pressure through-flow of cooling air。
Carrying out forcing dividing in room 16 of through-flow to contain the cooling body 22 with radiating fin and capacitor 23 for cooling air being formed as, semiconductor rectifier cell that above-mentioned cooling body 22 is big with the caloric value by power conversion device and the semiconductor module block element 21 that thyristor is formed as module and obtains are combined。The through hole 15a being arranged at partition wall is run through and exposes in adjacent division room 17 by the connection portion of terminal 21a of semiconductor module block element 21。Equally, the through hole 15b being arranged at partition wall 15 is run through and exposes in division room 17 by the connection portion of terminal 23a of capacitor 23。
Expose and connected by connection conductor 26 each other in this division room 17 at the connection terminal 23a connecting terminal 21a and capacitor 23 of the semiconductor module block element 21 divided in room 17。
In addition, in division room 17, the control circuit 24 that semiconductor module element 21 is carried out on-off control etc. is also contained and for carrying out the terminal board 25 etc. of inside and outside electrical connection。
When the power conversion device so constituted is in operation process, drive cooling fan 14。Thus, in division room 16 as shown by arrows, extraneous air enters from air inlet 12 as cooling air。This cooling air is dividing through-flow in room 16 and be discharged to outside from air vent 13。Therefore, being housed in the capacitor 23 divided in room 16 and the cooling body 22 being combined with semiconductor module block element 21 air that is cooled is forced to cool down, the rising of temperature is suppressed。
Now, divide room 17 owing to being formed as making cooling air to carry out forcing through-flow, carry out through-flow thus without by extraneous air。Therefore, even if long time running, minute dusts contained in extraneous air is also attached to hardly and is housed on the semiconductor module block element and the connection portion of terminal 21a of capacitor 23,23a, connection conductor 26, control circuit 24 and terminal board 25 divided in room 17。
Thus, constitute the connections portion of terminal 21a of semiconductor module block element 21 of main circuit of power conversion device, capacitor 23 portion of terminal 23a and connection conductor 26 can keep insulating properties long-term and stably。
[embodiment 2]
It follows that the second embodiment of the power conversion device of the present invention shown in Fig. 2 to Fig. 7 is illustrated。
Fig. 2 and Fig. 3 represents side view and the axonometric chart of the state after being unloaded by side panel of the power conversion device of the present invention, and Fig. 4 represents sectional view。
This second embodiment utilizes partition wall 35 and partition wall 39 to be separated the inside constituting the casing 30 of main body, forms three and divides room 36,37,38。At this, at least partition wall 35 is made up of the synthetic resin thin plate of the insulating properties with flexibility。
Divide room 36,38 and there is at two ends opening 32a, 32b, 33a, 33b of becoming air inlet or air vent, be formed to make cooling air carry out from outside forcing through-flow。Form at least one end dividing room 37 dividing between room 36,38 to close, be formed as making cooling air carry out from outside forcing through-flow。
Constitution equipment, i.e. capacitor 43 and the transformator 47 that the big needs of caloric value carry out cooling down is contained the dividing in room 36 of through-flow of forcing being formed as carrying out cooling air。The through hole being arranged at the partition wall 35 of insulating properties is run through and exposes in the division room 37 forcing through-flow being configured to carry out cooling air by the terminal 43a that connects of this capacitor 43。
Dividing the connection terminal containing semiconductor module block element 41 in room 37, the semiconductor rectifier cell being combined with the cooling body 42 with cooling fins and thyristor are formed as module and obtain above-mentioned semiconductor module block element 41。The cooling body 42 being combined with this semiconductor module block element 41 runs through partition wall 39, and is housed in the division room 38 forcing through-flow being formed as carrying out cooling air。
Main circuit connection conductor 46 is utilized to be electrically connected by the respective connection terminal of semiconductor module block element 41 and capacitor 43 in room 37 dividing。
The front surface wall of casing 30 is provided with the input terminal 51 for being connected with alternating current power supply and the lead-out terminal 52 for being connected with load。Input terminal 51 utilizes connection conductor 53 to be introduced in division room 37 by protection shutter 49, connects with the connection terminal 41a of the ac input end of the power converting loop becoming semiconductor module block element 41。The connection terminal 41a of the outfan becoming the power converting loop of semiconductor module block element 41 is connected with lead-out terminal 52 by connecting conductor 54。
The output short-circuit making power conversion device is also contained and the other universal electromagnetic shutter 48 bypassed dividing in room 37。Other universal electromagnetic shutter 48 is connected in parallel by connecting the conductor 56 connection terminal 41a with the semiconductor module block element of the outfan becoming power converting loop。
This electrical connection of main circuit carries out entirely in the division room 37 forcing through-flow being configured to carry out cooling air。
It addition, in Fig. 2 to Fig. 4, symbol 31a, 31b are the base frame and the scaffold that constitute casing 30。
It addition, by utilizing insulative synthetic resin sheeting to constitute dividing the partition wall 35 that room 36,37 separates, partition wall 35 can be made to have flexibility。The partition wall 35 with flexibility just can be simply secured on casing 5 by the screw that need not fix。
Represent the integrated structure of partition wall 35 and scaffold 31b in Figure 5。It is respectively arranged with chimeric breach 35c or engagement protrusion 35d at the position with scaffold 31b combination of partition wall 35。Further, it is provided with chimeric breach 31c at the corresponding position of scaffold 31b or chimeric uses hole 31d。When partition wall 35 is installed on casing, makes partition wall 35 somewhat bend and make the chimeric breach 31c of chimeric breach 35c and scaffold 31b be fitted together to, and engagement protrusion 35d is embedded into chimeric with in the 31d of hole。The chimeric breach 31c and chimeric hole 31d that thus utilize scaffold 31b support partition wall 35, therefore can be stably installed on casing 30 by partition wall 35。
Additionally, be additionally provided with for for the connection terminal 43a of the capacitor 43 being arranged at partition wall 35 through hole run through。As shown in (a) of Fig. 6, this through hole can be individually set accordingly with each terminal 43a that is connected。Or as shown in (b) of Fig. 6, it is possible to two that arrange a capacitor connect the through hole 35b that terminal 43a, 43a share。Arrange at the two ends of shared through hole 35b and cut portion 35e, thus when the connection terminal 43a of capacitor 43 runs through through hole 35b, it is easy to Aligning Capacitor。It addition, when the height cutting portion 35e being formed as the height connecting terminal 43a of capacitor, it is possible to utilize and connect conductor 26 pressing and cut portion 35e, therefore, it is possible to stably fixed partition wall 35 further。
Using the power conversion device 1 so constituted of multiple stage, three-phase each phase as one group, as illustrated in fig. 7 laminated multi-layer and house in high-tension distribution panel 10。Such as when the rated voltage of power conversion device 1 is 1kV, when Dang Gexiang is serially connected the lead-out terminal of the power conversion device 1 of five and uses, it is possible to the voltage of output 6kV。
Front-surface side at high-tension distribution panel 10 is provided with the air inlet 10a covered by filter 10b, and side is provided with the ventilation path 10c that three power conversion devices 1 share overleaf。Further, make the roof opening of ventilation path 10c, the cooling fan 14 of attraction type is set at this。
By driving cooling fan 14, extraneous air is made to enter in high-tension distribution panel 10 from the air inlet 10a of front surface through filter 10b。At the extraneous air entered by the process of filter 10b, the major part of the dust contained by this extraneous air is removed。But owing to dust can not be removed completely, the therefore small dust of residual minim in the extraneous air entered。
Enter into the extraneous air of the minute dusts containing trace in high-tension distribution panel 10 as cooling down air through-flow in power conversion device 1 and ventilation path 10c as shown by arrows。
The upper and lower room 36,38 that divides forcing through-flow being configured to carry out cooling air of the casing 30 being arranged on power conversion device 1 connects with the ventilation path 10c of high-tension distribution panel 10。Thus, through-flow in cooling air division room 36,38 in each power conversion device 1, utilize the constitution equipment being housed in each division indoor that the cooling body 42 of capacitor 43, transformator 47 and semiconductor module block element 41 is forced cooling。
But, owing to the constitution equipment being housed in division room 36,38 is implemented insulation processing, even if therefore small dust is attached to the surface of these constitution equipments, without insulation obstacle occurs。
On the other hand, contain connecting terminal and the rear end side dividing room 37 of the centre connecting conductor 46,53,54,56 connected between these connection terminals being closed of each constitution equipment, be configured to the through-flow that can not carry out cooling down air。Therefore, contained in extraneous air small dust is attached on the connection conductor that is housed in this division room 37 etc. hardly。As a result of which it is, the insulation obstacle caused by the accumulation of dust of the main circuit of power conversion device 1 is suppressed。That is, divide room 37 by being configured to carry out the through-flow of cooling air, be not formed as required above large space, just can maintain electrical insulation capability。
Even if as a result of which it is, the power conversion device according to the present invention makes to have introduced the cooling air through-flow of extraneous air and carries out forcing cooling, insulation obstacle ground also can not be occurred to operate long-term and stably。
Additionally, when separate constituting in the casing of main body and constitute the partition wall that divides room use the insulant sheeting such as insulative synthetic resin thin plate time, the front end of capacitor can be configured near partition wall to be intended for connecting of the front end of capacitor in the way of terminal runs through。Thus, the almost overall of capacitor can be housed in the division room 36 being configured to carry out the through-flow of cooling air。So, the entirety of the constitution equipments such as capacitor can be accommodated in these division indoor and cool down uniformly, improve cooling effect。
Claims (6)
1. a power conversion device, described power conversion device is constituted by housing constitution equipment in the casing closed, it is characterised in that
Utilize partition wall by the inside separation of described casing in multiple division room that is internally formed of this casing, at least one in this division room is formed to carry out the pressure through-flow of cooling air from outside, at least one divides room and clips the pressure through-flow that the adjacent division room of described partition wall is formed as carrying out cooling down air from outside with this, the constitution equipment that the needs of described power conversion device carry out cooling down is housed the described of through-flow of forcing that can carry out cooling air and divides indoor, the connections portion of terminal making to be housed in the indoor constitution equipment of this division run through described partition wall and be exposed to can not carry out cooling air to force through-flow described to divide indoor, in these division indoor forcing through-flow that can not carry out cooling air, utilize connect conductor by the connections portion of terminal exposed of described constitution equipment to each other and and other constitution equipment connection portion of terminal between connection, thus described constitution equipment is electrically connected to each other。
2. power conversion device as claimed in claim 1, it is characterised in that
Insulating properties thin plate is utilized to constitute described partition wall。
3. power conversion device as claimed in claim 1 or 2, it is characterised in that
The insulative synthetic resin thin plate with flexibility is utilized to constitute described partition wall。
4. power conversion device as claimed in claim 3, it is characterised in that
By making the chimeric of corresponding position being arranged on the framework of described partition wall and the described casing being made up of the insulative synthetic resin thin plate with flexibility be fitted together to each other with breach, thus this partition wall is fixed on the framework of casing。
5. power conversion device as claimed in claim 2 or claim 3, it is characterised in that
Described constitution equipment comprises capacitor, described partition wall is provided with the described of through-flow of forcing that can not carry out cooling air for making the connection portion of terminal of this capacitor be exposed to and divides indoor through-Penetration portion, the side, described division room forcing through-flow by not carrying out cooling air of this through-Penetration portion is provided with the portion of cutting。
6. the power conversion device as according to any one of claim 1 to 5, it is characterised in that
The described division room being formed with the pressure through-flow that can carry out cooling air up and down at described casing, intermediate formation at described casing has the described division room forcing through-flow that can not carry out cooling air, make to be housed in each described link subdivision dividing indoor constitution equipment forcing through-flow that can carry out cooling air not run through partition wall and be exposed to the adjacent described indoor that divide forcing through-flow that can not carry out cooling air, in these division indoor forcing through-flow that can not carry out cooling air, utilize connection conductor will connect between described connection portion of terminal, thus dividing indoor constitution equipment electrical connection by being housed in the described of through-flow of forcing that can carry out cooling air。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014253035A JP6319074B2 (en) | 2014-12-15 | 2014-12-15 | Power converter |
| JP2014-253035 | 2014-12-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105703644A true CN105703644A (en) | 2016-06-22 |
| CN105703644B CN105703644B (en) | 2019-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510749848.9A Active CN105703644B (en) | 2014-12-15 | 2015-11-06 | Power conversion device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6319074B2 (en) |
| CN (1) | CN105703644B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11013153B2 (en) | 2018-01-30 | 2021-05-18 | Lsis Co., Ltd. | Inverter and method of controlling the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019092800A1 (en) * | 2017-11-08 | 2019-05-16 | 三菱電機株式会社 | Transformer and power conversion device |
| JP7134819B2 (en) * | 2018-10-03 | 2022-09-12 | 川崎重工業株式会社 | Control device |
| KR102299859B1 (en) * | 2019-01-25 | 2021-09-08 | 엘에스일렉트릭 (주) | Inverter apparatus and the power converter comprises the same |
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| CN102751884A (en) * | 2011-04-18 | 2012-10-24 | 株式会社安川电机 | Power converting apparatus and capacitor cover thereof |
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| JP2011234586A (en) * | 2010-04-30 | 2011-11-17 | Daihen Corp | Power supply device |
| JP5510750B2 (en) * | 2011-04-18 | 2014-06-04 | 株式会社安川電機 | Power converter and reactor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11013153B2 (en) | 2018-01-30 | 2021-05-18 | Lsis Co., Ltd. | Inverter and method of controlling the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105703644B (en) | 2019-01-08 |
| JP6319074B2 (en) | 2018-05-09 |
| JP2016116327A (en) | 2016-06-23 |
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