CN204179955U - DC-to-AC converter - Google Patents
DC-to-AC converter Download PDFInfo
- Publication number
- CN204179955U CN204179955U CN201420426424.XU CN201420426424U CN204179955U CN 204179955 U CN204179955 U CN 204179955U CN 201420426424 U CN201420426424 U CN 201420426424U CN 204179955 U CN204179955 U CN 204179955U
- Authority
- CN
- China
- Prior art keywords
- reactor
- depression
- converter
- wall
- basket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000011347 resin Substances 0.000 claims abstract description 12
- 229920005989 resin Polymers 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- 238000005452 bending Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 8
- 238000001816 cooling Methods 0.000 abstract description 6
- 239000003990 capacitor Substances 0.000 description 7
- 235000019994 cava Nutrition 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 238000004382 potting Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Inverter Devices (AREA)
Abstract
The utility model provides a kind of DC-to-AC converter, improves the cooling effect of the basket of DC-to-AC converter while configuring reactor safely.In the DC-to-AC converter (1) direct current power being transformed to alternating electromotive force, be characterised in that, possesses the AC reactor (ACL) of the electric current of the alternating electromotive force flowing through conversion, at the basket (10) of DC-to-AC converter 1, the depression (21) that configuration AC reactor (ACL) and the degree of depth are shallower than the height of AC reactor (ACL) is protruding outside and be shaped towards basket (10), in the integrally formed heat radiating fin in the outside (F) of depression (21), and with the 1st wall (22) of the integrally formed encirclement AC reactor (ACL) of basket (10) around depression (21), depression (21) configuration AC reactor (ACL) state under put into there is heat conductivity resin component (61) until reach the degree of the 1st wall (22), and make it harden.
Description
Technical field
The utility model relates to DC-to-AC converter.
Background technology
In the past, provide the DC-to-AC converter being supplied to load after the direct current power of solar cell, storage battery or fuel cell etc. is transformed to alternating electromotive force.DC-to-AC converter has: the filter circuit etc. of the high fdrequency component decay of the alternating electromotive force that inverter circuit is converted of the inverter circuit booster circuit of the boost in voltage of direct current power, the direct current power that exported by booster circuit being transformed to alternating electromotive force and the rear class being located at inverter circuit.
Booster circuit or filter circuit have the reactor or capacitor that provide these direct current powers or alternating electromotive force, and these reactors or capacitor, when being provided direct current power or alternating electromotive force, generate heat corresponding to flowing through electric current.
In order to cool such heat generating components, in patent documentation 1, the hole that heat generating components (being capacitor in patent documentation 1) is passed through being set at the basket of die-casting process, making capacitor by this hole thus make a part for capacitor be exposed to outside.So, heat generating components directly contacts with extraneous air, thus can carry out the cooling of heat generating components.In addition, in patent documentation 1, describe and also can cover with the outer cover that heat conductivity is good the content being exposed to outside capacitor.
Patent documentation
Patent documentation 1:JP Unexamined Patent 10-295087 publication
But, when heat generating components is reactor, exposing with many danger of coil.In addition, although also can be such from Exterior capsule heat generating components as Patent Document 1, worry that the heating that heat generating components produces no longer is discharged into outside.
Utility model content
The utility model is the utility model proposed in view of such problem, and object is, provides the DC-to-AC converter that can improve the cooling effect of the basket of DC-to-AC converter while security configuration reactor.
Direct current power is transformed to alternating electromotive force by DC-to-AC converter of the present utility model, it is characterized in that, possesses the reactor of the electric current of the described alternating electromotive force flowing through conversion, at the basket of described DC-to-AC converter, configure described reactor and the degree of depth depression that is shallower than the height of described reactor is protruding outside and be shaped towards described basket, at the integrally formed heat radiating fin in the outside of described depression, and with the wall of the described reactor of the integrally formed encirclement of described basket around described depression, in described depression, the degree that the resin component with heat conductivity reaches described wall is put under the state being configured with described reactor, and make it harden.
The effect of utility model
According to the utility model, the cooling effect of the basket of DC-to-AC converter can be improved while security configuration reactor.
Accompanying drawing explanation
Fig. 1 is the figure of the connection representing DC-to-AC converter.
Fig. 2 is the front view of DC-to-AC converter.
Fig. 3 is the dorsal view of DC-to-AC converter.
Fig. 4 (a) is the A-A sectional view of the DC-to-AC converter of Fig. 2.
Fig. 4 (b) is the B-B sectional view of the DC-to-AC converter of Fig. 2.
The explanation of label
1 DC-to-AC converter
2a ~ 2d solar cell
3 commercial electric power system
4a ~ 4d booster circuit
5 inverter circuits
6 filter circuits
7 control circuits
10 baskets
11 upper surface panels
12 lower surface panel
13 left surface panels
14 right flank panels
Bottom 15
16a ~ 16b substrate
S1 ~ S4 break-make device
21 the 1st depressions
22 the 1st walls
23 the 1st erecting beds
24 plate member
25 AC reactor erecting beds
31 the 2nd depressions
32 the 2nd walls
33 the 2nd erecting beds
35 direct current reactor erecting beds
36 pedestals
51 lids
61 resin components
ACL AC reactor
DCL direct current reactor
F heat radiating fin
L connects up
IPM switch module
Embodiment
Present embodiment is shaped at basket and configures the depression of reactor, at the outside shaping heat radiating fin of depression, is being integrally formed wall with surrounding reactor at depression periphery with basket.Thus, can be configured safely, and the cooling effect of the basket of DC-to-AC converter can be improved.
[embodiment 1]
As shown in Figure 1, DC-to-AC converter 1 has the booster circuit 4a ~ 4d be connected with multiple solar cell 2a ~ 2d (in this case 4) via each break-make device S1 ~ S4.The boost in voltage of the direct current power that each inputs by booster circuit, and the direct current power of boosting is supplied to inverter circuit 5.
Booster circuit 4a ~ 4d is made up of the chopper circuit of nonisulated type, the chopper circuit of this nonisulated type by flowing through the direct current reactor DCL of electric current of the direct current power that solar cell exports, switch element, diode, capacitor form.
The direct current power provided from booster circuit 4a ~ 4d is transformed to alternating electromotive force by inverter circuit 5.The circuit that inverter circuit 5 connects multiple switch element by full-bridge is formed.The filter circuit 6 of the high fdrequency component of this alternating electromotive force of decay is connected at the outlet side of inverter circuit 5.In addition, the formation of inverter circuit is not limited to bridging and connects, and can also use neutral point clamper mode etc.
Filter circuit 6 possesses the AC reactor of the electric current flowing through the alternating electromotive force that inverter circuit exports.Such as to be added to commercial electric power system via grid-connected relay by the alternating electromotive force of filter circuit 6.In addition, the control of above-mentioned booster circuit 4a ~ 4d, the action of inverter circuit 5 is undertaken by control circuit 7.
So, the direct current power that solar cell exports is transformed to alternating electromotive force by DC-to-AC converter 1, and commercial electric power system that the alternating electromotive force of this conversion is added to.Thus, DC-to-AC converter can provide alternating electromotive force to the load be connected with commercial electric power system.When DC-to-AC converter 1 carries out action, flow through electric current at direct current reactor DCL, AC reactor ACL and generate heat, cause the temperature of DC-to-AC converter 1 to rise.
As shown in Figure 2, the electronic unit forming these DC-to-AC converter 1 is housed in basket 10.The switch module IPM etc. of direct current reactor DCL, AC reactor ACL and the multiple switch elements comprising inverter circuit 5 etc. is directly installed on basket, and other electronic unit is assemblied in substrate 16a ~ 16b to install.
Basket 10 has roughly rectangular shape, and upper surface panel 11, lower surface panel 12, left surface panel 13, right flank panel 14, bottom 15 are by integrally formed to die-casting processes such as aluminium alloys.DC-to-AC converter 1 opening in the front of the airtight basket 10 of front panel, utilizes the wall etc. that the outside of bottom 15 is arranged on building.
Basket 10 (upper surface panel side) above bottom 15 is shaped and is used for the 1st depression the 21, the 2nd depression 31 of each self-configuring AC reactor ACL, direct current reactor DCL.1st depression the 21, the 2nd depression 31 is shaped from the protruding outside of basket 10.The degree of depth of these the 1st depression the 21, the 2nd depressions 31 is separately lower than the height of (being shallower than) AC reactor ACL, direct current reactor DCL.
As shown in the A-A sectional view of Fig. 2 of Fig. 4 (a), AC reactor ACL is arranged on the AC reactor erecting bed 25 at the end forming in the 1st depression 21 by screw clamp.In addition, the direct current reactor DCL of each booster circuit sums up and is configured in pedestal 36, by screw clamp, pedestal 36 is arranged on the direct current reactor erecting bed 35 at the end forming in the 2nd depression 31.
In addition, be configured in the large electronic units that generate heat such as the 1st switch module IPM that caves between 31 of depression the 21 and the 2nd and sum up the upper side being configured in this basket 10.In addition, from the wiring of solar cell 2a ~ 2d with sum up from the lid 51 being located at basket 10 right lower quadrant around outside to 2 to the wiring of commercial electric power system 3.
As shown in Figure 3, be shaped in the outside of the bottom 15 of basket 10 multiple heat radiating fin F, several at the 1st depression the 21, the 2nd depression 31 also respective integrally formed the plurality of heat radiating fin F.In addition, one-body molded 1st wall 22, the 2nd wall 32 separately around the 1st depression the 21, the 2nd depression 31 inside basket 10, surround AC reactor ACL, direct current reactor DCL.These the 1st walls 22, the 2nd wall 32 erect from the edge of each the 1st depression the 21, the 2nd depression 31.
The height of the 1st wall 22 and the 2nd wall 32, cave in the 1st separately the 21 and the 2nd cave in 31 height altogether time, become higher than reactor.That is, AC reactor ACL is accommodated in and caves in the hole that forms by the 1st wall 22 and the 1st, and direct current reactor is accommodated in and is caved in the hole that forms by the 2nd wall 32 and the 1st.
As shown in the B-B sectional view of Fig. 2 of Fig. 4 (b), in the 1st depression 21, under the state being configured with AC reactor ACL, put into the resin component 61 with heat conductivity, and make it harden.Fig. 2, Fig. 4 (a) represent the state of non-potting resin parts 61.Put into resin component 61 until reach the degree (the line X such as shown in Fig. 4 (a)) of the 1st wall 22.In addition, also can potting resin parts 61 equally in the 2nd depression 31.
In addition, arrange and the 1st to cave in 21 opposite metal plate member 24, making to form gap between this plate member 24 and the 1st wall 22.Particularly, plate member 24, for the 1st erecting bed 23 of fixed plate part 24, is arranged on the 1st erecting bed 23 by screw clamp by the many places that are shaped near the 1st wall 22 (being 4 places in the present embodiment).
Because the height the bottom 15 from the 1st erecting bed 23 is shaped higher than the 1st wall 22 ground, if therefore configure plate member 24 at the 1st erecting bed 23 being formed in 4 places, then gap can be formed between plate member 24 and the 1st wall 22.By this gap, the wiring L of AC reactor ACL is drawn from the 1st depression 21.
In addition, this plate member 24 covers the integrally installation of the face side of the 1st depression 21.In addition, the end of plate member 24 by bending, by arranging with gap between this bending part overlay parts the 24 and the 1st wall 22.This bending part is in ground, direction (namely configuring bending part between electronic unit and gap) the mounting panel parts 24 of other electronic unit of configuration.
This plate member 24 can cave in the same manner as 31 and installs with the 2nd.Now, the 2nd erecting bed 33 is set in the same manner as the 1st erecting bed 23, at the 2nd erecting bed 33 mounting panel parts 24.
So, due to the 1st depression the 21, the 2nd depression 31 each self-configuring AC reactor ACL, the direct current reactor DCL at basket 10, therefore, because AC reactor ACL, direct current reactor DCL are covered separately by the 1st depression the 21, the 2nd depression 31, the danger of short circuit etc. can therefore be reduced.In addition, due to the 1st wall 22, the 2nd wall 32 heat by conduction that arrange separately at the edge of the 1st depression the 21, the 2nd depression 31, and the heat radiating fin that can be connected from being integrally formed outwardly dispels the heat, and therefore can improve the cooling effect of the basket 10 of DC-to-AC converter 1.
In addition, in embodiment 1, in the 1st depression the 21, the 2nd depression 31, the high resin component of heat conductivity 61 is put into until the height of each the 1st wall 22, the 2nd wall 32.Thus, the heat from AC reactor ACL, direct current reactor DCL is transmitted and arrives each the 1st wall 22, the 2nd wall 32 in this resin component 61, is therefore easy to make more heat trnasfer to the 1st wall 22, the 2nd wall 32, can improves radiating effect.
In addition, in embodiment 1, owing to erecting the 1st wall 22, the 2nd wall 32 separately at the edge of the 1st depression the 21, the 2nd depression 31, the amount of the resin component 61 putting into the 1st depression the 21, the 2nd depression 31 can therefore be reduced.In addition, due to the distance of the distance and direct current reactor DCL and the 2nd wall 32 that can shorten AC reactor ACL and the 1st wall 22, be therefore easier to transfer heat to the 1st wall 22, the 2nd wall 32, can radiating effect be improved.
In addition, in embodiment 1, can make each the 1st depression the 21, the 2nd depression 31 degree of depth reduce erect the 1st wall 22, the 2nd wall 32 degree to configure AC reactor ACL, direct current reactor DCL.Thus, the thickness of basket 10 (length from front panel in bottom direction) can be made shorter.Thus, DC-to-AC converter 1 can be made miniaturized.
In addition, in embodiment 1, covered the front of the 1st depression 21 by metal plate member 24, and cover the gap (configuring the bending part of plate member 24 between gap and electronic unit) between the plate member 24 in direction of configuration electronic unit and the 1st wall 22 and the 2nd wall 32 by the bending part of this plate member 24.Thus, AC reactor ACL, direct current reactor DCL can be propagated into by restraint speckle.
Be explained above 1 execution mode of the present utility model, but above explanation is carried out in order to easy understand the utility model, does not limit the utility model.The utility model with can not departing from its purport through changing, improve and obtaining, and comprises its equivalent certainly at the utility model.
Such as, the edge of each the 1st depression the 21, the 2nd depression 31 is located at by the 1st wall 22, the 2nd wall 32, but also can be arranged on the position left a little from edge.
Such as, the height of the 1st wall 22 and the 2nd wall 32 and each the 1st cave in the 21 and the 2nd cave in 31 height altogether higher than reactor, but also can lower than reactor.In this case, the degree that resin component 61 reaches wall if put into, then can utilize the 1st wall 22, the 2nd wall 32 dispels the heat.
Such as, the height that also can make the 1st wall 22 and the 1st erecting bed 23 is phase co-altitude, cuts a part for the 1st wall 22, and from this otch winding wiring L.
The DC-to-AC converter 1 of present embodiment can utilize as the DC power system etc. of the DC power supply comprising solar cell 2a ~ 2e etc.
Claims (6)
1. a DC-to-AC converter, is transformed to alternating electromotive force by direct current power, it is characterized in that,
Described DC-to-AC converter possesses the reactor of the described alternating electromotive force flowing through conversion,
At the basket of described DC-to-AC converter, configure described reactor and the degree of depth depression that is shallower than the height of described reactor is protruding outside and be shaped from described basket,
At the integrally formed heat radiating fin in the outside of described depression, and around described depression with the wall of the described reactor of the integrally formed encirclement of described basket,
In described depression, under the state being configured with described reactor, put into the degree that the resin component with heat conductivity reaches described wall, and make it harden.
2. DC-to-AC converter according to claim 1, is characterized in that,
Described wall erects from the edge of described depression.
3. DC-to-AC converter according to claim 1 and 2, is characterized in that,
The plate member opposite with described depression is set, makes to form gap between described plate member and described wall.
4. DC-to-AC converter according to claim 3, is characterized in that,
The wiring of described reactor is drawn by described gap.
5. DC-to-AC converter according to claim 3, is characterized in that,
The end of plate member described in bending, is configured in bending part between described gap and the electronic unit forming described DC-to-AC converter.
6. DC-to-AC converter according to claim 4, is characterized in that,
The end of plate member described in bending, is configured in bending part between described gap and the electronic unit forming described DC-to-AC converter.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013179043A JP6209737B2 (en) | 2013-08-30 | 2013-08-30 | Inverter device |
| JP2013-179043 | 2013-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204179955U true CN204179955U (en) | 2015-02-25 |
Family
ID=52568729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420426424.XU Expired - Fee Related CN204179955U (en) | 2013-08-30 | 2014-07-30 | DC-to-AC converter |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6209737B2 (en) |
| CN (1) | CN204179955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109951055A (en) * | 2017-12-19 | 2019-06-28 | 法雷奥动力总成(上海)有限公司 | Electric pressure converter and its assemble method |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6578508B2 (en) * | 2015-11-25 | 2019-09-25 | パナソニックＩｐマネジメント株式会社 | Power converter |
| JP6470193B2 (en) * | 2016-01-21 | 2019-02-13 | ヤンマー株式会社 | Power conversion device and assembly method thereof |
| JP6457155B1 (en) * | 2017-07-31 | 2019-01-23 | 新電元工業株式会社 | Power converter |
| CN110875689B (en) * | 2018-08-30 | 2021-01-29 | 株洲中车时代电气股份有限公司 | Rail transit bidirectional converter cabinet |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2536657B2 (en) * | 1990-03-28 | 1996-09-18 | 三菱電機株式会社 | Electric device and manufacturing method thereof |
| US7501721B2 (en) * | 2005-01-31 | 2009-03-10 | Hewlett-Packard Development Company, L.P. | Reduced-noise switching power supply |
| JP4866680B2 (en) * | 2006-08-23 | 2012-02-01 | 日立オートモティブシステムズ株式会社 | DCDC converter |
| JP5634904B2 (en) * | 2011-02-08 | 2014-12-03 | 三洋電機株式会社 | Inverter |
| JP2013126320A (en) * | 2011-12-15 | 2013-06-24 | Denso Corp | Power conversion device |
-
2013
- 2013-08-30 JP JP2013179043A patent/JP6209737B2/en active Active
-
2014
- 2014-07-30 CN CN201420426424.XU patent/CN204179955U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109951055A (en) * | 2017-12-19 | 2019-06-28 | 法雷奥动力总成(上海)有限公司 | Electric pressure converter and its assemble method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2015050793A (en) | 2015-03-16 |
| JP6209737B2 (en) | 2017-10-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20210730 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |