CN1606153A - Liquid cooling type electric power conversion device - Google Patents
Liquid cooling type electric power conversion device Download PDFInfo
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- CN1606153A CN1606153A CN 200410083518 CN200410083518A CN1606153A CN 1606153 A CN1606153 A CN 1606153A CN 200410083518 CN200410083518 CN 200410083518 CN 200410083518 A CN200410083518 A CN 200410083518A CN 1606153 A CN1606153 A CN 1606153A
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- cooling
- power conversion
- electric power
- conversion device
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Abstract
The invention provides a liquid cooled power conversion device that can be reduced in size. The liquid cooled power conversion device comprises a coolant; a tank capable of storing the coolant; a pump that is connected with the tank and can discharge the coolant; a plurality of cooling bodies that are connected with the pump, and have therein a path through which the coolant flows and a semiconductor device installed therein; and a heat exchanger that is connected with the cooling bodies, and cools the coolant flowing in from the cooling bodies. A plurality of the cooling bodies are installed at a level higher than the tank.
Description
Technical field
The present invention relates to liquid cooling type electric power conversion device.
Background technology
Device for electric power conversion is loaded in and the limited electric railroad in space can be set with on the vehicle, and line power is carried out electrical power conversion, with supply of electric power to machines such as induction motors.Liquid cooling type electric power conversion device of the prior art utilizes pump to make refrigerant cycle, a plurality of cooling bodies that cooling is connected with semiconductor element.
The liquid cooling type electric power conversion device of Gou Chenging by making cold-producing medium (cooling fluid) circulation, can cool off the semiconductor element that is loaded in the cooling body expeditiously like this.
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The content of invention
But, when wanting with the liquid cooling type electric power conversion device miniaturization, owing to be difficult to make conduct to prevent the self sealss connector miniaturization of the parts that cold-producing medium leaks from cooling body, so there is the problem of the miniaturization difficulty of device own.
In addition, for miniaturization, if do not use self sealss connector ground to constitute liquid cooling type electric power conversion device, then cold-producing medium can leak when unloading cooling body.Must replenish cold-producing medium when therefore, keeping in repair at every turn.
Therefore, the purpose of this invention is to provide a kind of liquid cooling type electric power conversion device that can miniaturization.
Above-mentioned problem can solve by following liquid cooling type electric power conversion device, described liquid cooling type electric power conversion device, comprise: the cooling body that semiconductor element, inside have the mobile stream of cooling fluid is installed, between cooling fluid and air, carry out the heat exchanger of heat exchange, the pipe arrangement that connects aforementioned cooling body and aforesaid heat exchangers, become each to be installed in mutually on the cooling body semiconductor element component that constitutes a group, being connected in series with pipe arrangement is equipped with not a plurality of cooling bodies of semiconductor element on the same group.
Above-mentioned problem can solve by following liquid cooling type electric power conversion device, described liquid cooling type electric power conversion device, comprise: the cooling body that semiconductor element, inside have the mobile stream of cooling fluid is installed, between cooling fluid and air, carry out the heat exchanger of heat exchange, the pipe arrangement that connects aforementioned cooling body and aforesaid heat exchangers, become each branch road to be installed on the cooling body semiconductor element component that constitutes a group, being connected in series with pipe arrangement is equipped with not a plurality of cooling bodies of semiconductor element on the same group.
Above-mentioned problem can solve by following liquid cooling type electric power conversion device, described liquid cooling type electric power conversion device, comprise: the cooling body that semiconductor element, inside have the mobile stream of cooling fluid is installed, between cooling fluid and air, carry out the heat exchanger of heat exchange, the pipe arrangement that connects aforementioned cooling body and aforesaid heat exchangers, the a plurality of streams that connect the coolant flow between aforementioned a plurality of cooling body are made of two or more different paths at least.
Above-mentioned problem can solve by following liquid cooling type electric power conversion device, liquid cooling type electric power conversion device is equipped with: cooling body, this cooling body holds the loop that the switch that utilizes semiconductor element carries out the electrical power conversion, semiconductor element is installed, has the cooling body of the stream of coolant flow in inside; Between cooling fluid and air, carry out the heat exchanger of heat exchange; They are coupled together with pipe arrangement and make the pump of liquid circulation, in described liquid cooling type electric power conversion device, the cooling body of semiconductor element is installed, portion has two groups of segregate streams within it, have two cooling fluid inlet connecting portions and outlet connecting portion respectively, a cooling fluid inlet connecting portion and another cooling liquid outlet connecting portion are approaching.
By the present invention, can provide a kind of liquid cooling type electric power conversion device that can miniaturization.
Description of drawings
The front view of the liquid cooling type electric power conversion device of first form of implementation of Fig. 1.
The front view of the liquid cooling type electric power conversion device of second form of implementation of Fig. 2.
The front view of the liquid cooling type electric power conversion device of the 3rd form of implementation of Fig. 3.
The front view of the liquid cooling type electric power conversion device of the 4th form of implementation of Fig. 4.
The pie graph of the liquid cooling type electric power conversion device of the 5th form of implementation of Fig. 5.
The pie graph of the liquid cooling type electric power conversion device of the 6th form of implementation of Fig. 6.
Embodiment
(first form of implementation)
Below, with reference to the device for electric power conversion of accompanying drawing detailed description according to first form of implementation of the present invention.
Fig. 1 (a) is the front view of the liquid cooling type electric power conversion device of first form of implementation according to the present invention.Fig. 1 (b) is the B-B profile of the liquid cooling type electric power conversion device of first form of implementation according to the present invention.In addition, the arrow among the figure is represented the flow direction of cold-producing medium.
In the liquid cooling type electric power conversion device of first form of implementation according to the present invention, semiconductor element 1 is connected with cooling body 2.In the inside of cooling body 2, form the stream (refrigerant flow path) of flow of refrigerant, and two tubing connection portion 3 that it is connected with outside pipe arrangement are set.One of this refrigerant flow path is as cooling fluid inlet, and another is as cooling liquid outlet, is connected with pipe arrangement 4 in the device that is laid in.Pipe arrangement 4 couples together this cooling body 2, heat exchanger 5 and pump 6, forms closed circuit, by utilizing pump cooling fluid is circulated in this closed circuit, carries out heat conduction.That is,, give the cooling fluid that in cooling body 2 internal flow paths, forcibly flows via cooling body 2 heat conduction by the thermal loss that semiconductor element produces.Heat radiation side is the part of heat exchanger 5, by heat being dispersed into heat exchanger 5 atmosphere outside from the cooling fluid that in heat exchanger 5, flows, the thermal loss that can expeditiously semiconductor element 1 be produced is released in the atmosphere, and the temperature that suppresses semiconductor element 1 rises.
In the liquid cooling type electric power conversion device that constitutes like this, refrigerant flow path roughly is the W font, when connecting portion, the air that stops, loosening lightly cooling body 2 and pipe arrangement 4 upsides when the running that makes liquid cooling type electric power conversion device enters refrigerant flow path in the cooling body 2, cold-producing medium in the cooling body 2 flows into the pipe arrangement 4 that lays downwards.
The liquid cooling type electric power conversion device of Gou Chenging like this, though do not use the self sealss connector, cold-producing medium is difficult to leak when changing cooling body 2.In addition, owing to do not use the self sealss connector, so can miniaturization.
(second form of implementation)
Below, with reference to the liquid cooling type electric power conversion device of accompanying drawing detailed description according to second form of implementation of the present invention.Fig. 2 (a) is the front view of device for electric power conversion.Fig. 2 (b) is the B-B profile.In addition, the arrow among the figure is represented the flow direction of cold-producing medium.In addition, for the structure identical, adopt identical label and omit its explanation with the structure described in Fig. 1.
Liquid cooling type electric power conversion device according to second form of implementation of the present invention, carry out in the device for electric power conversion 8 in loop of electrical power conversion accommodating a plurality of switches that utilize semiconductor element 1, comprise: semiconductor element 1 is installed, inside has the cooling body 2 of the mobile stream of cooling fluid, between cooling fluid and air, carry out the heat exchanger 5 of heat exchange, the pump 6 that is connected and makes liquid circulation with their pipe arrangements, the semiconductor element component that constitutes a group becomes each phase or each branch road to be installed on the cooling body 2, pipe arrangement 4 each phase or each branch road parallel connection, each group is connected in series on each cooling body 2.
In the liquid cooling type electric power conversion device that constitutes like this, owing to each group of pipe arrangement is connected in series, so reduced the number in parallel of pipe arrangement.In addition, cooling fluid in series flows for every group.
The liquid cooling type electric power conversion device of Gou Chenging like this, owing to reduced the number in parallel of pipe arrangement, so can simplify pipe arrangement and save the space.In addition, compare, be not easy to produce the imbalance of the pipe arrangement pressure loss with liquid cooling type electric power conversion device according to first form of implementation of the present invention.In addition, because each group of cooling fluid in series flows, the temperature in downstream rises and can strengthen, if but consider single group of situation such as running, then can make it to simplify and save the space as whole system.
The liquid cooling type electric power conversion device of Gou Chenging can obtain to simplify pipe arrangement, save the space like this, reduces the pressure loss imbalance of pipe arrangement, improves effects such as cooling body hygral equilibrium.
(the 3rd form of implementation)
Below, with reference to the liquid cooling type electric power conversion device of accompanying drawing detailed description according to the 3rd form of implementation of the present invention.Fig. 3 represents the part of unit 7 of device for electric power conversion and the part of pipe arrangement 4 of periphery thereof.In addition, for identical structure described in Fig. 1 and Fig. 2, adopt identical label and omit its explanation.
The liquid cooling type electric power conversion device of the 3rd form of implementation, be with the different piece of the liquid cooling type electric power conversion device of second form of implementation, semiconductor 1 is installed in respectively on the different cooling body 2 with each phase or each branch road, and many group semiconductor elements 1 are installed.
The liquid cooling type electric power conversion device of Gou Chenging is installed on the cooling body 2 by organizing semiconductor 1 more like this, can reduce the quantity of cooling body 2 and pipe arrangement 4, increases the semi-conductive quantity that is installed on the cooling body 2.
The liquid cooling type electric power conversion device of Gou Chenging by reducing the quantity of cooling body and pipe arrangement, can be simplified pipe arrangement and save the space like this.In addition, compare, be not easy to produce the imbalance of the pipe arrangement pressure loss with liquid cooling type electric power conversion device according to first form of implementation of the present invention.Be installed in semi-conductive quantity on the cooling body by increase, the heat load of each cooling body 2 increases, but as previously described, if consider situation such as single group running, then as whole system, can make it to simplify and the saving space.
The liquid cooling type electric power conversion device of Gou Chenging can obtain to simplify effects such as pipe arrangement, saving space, the pressure loss imbalance that reduces pipe arrangement, the hygral equilibrium of raising cooling body like this.
(the 4th form of implementation)
Below, with reference to the liquid cooling type electric power conversion device of accompanying drawing detailed description according to the 4th form of implementation of the present invention.Fig. 4 represents the part of unit 7 of device for electric power conversion and the part of pipe arrangement 4 of periphery thereof.In addition, for structure identical described in Fig. 1 to Fig. 3, adopt identical label and omit its explanation.
In liquid cooling type electric power conversion device according to the 4th form of implementation of the present invention, the parts different with the liquid cooling type electric power conversion device of the third form of implementation are, in cooling body 2, tubing connection portion 3 is set at entrance side and each two position of outlet side.Pipe arrangement 4 (entrance side) is connected on the position of connecting portion 3 entrance sides of first cooling body 2, a position from the outlet side of the tubing connection portion 3 of this cooling body 2, utilize the entrance side of the tubing connection portion 3 of other a plurality of cooling bodies 2, each position of outlet side, connect successively.Successively a plurality of cooling bodies 2 are connected on the remaining tubing connection portion 3 with opposite order noted earlier, last, be connected on the pipe arrangement 4 (outlet side) from aforementioned first cooling body 2.
Under the situation of a plurality of cooling bodies 2 that is connected in series simply, the temperature of the cooling body 2 in downstream rises and increases, but liquid cooling type electric power conversion device as this form of implementation, by connecting portion being arranged on the cooling body 2, a plurality of cooling bodies 2 can be made the loop structure of two parallel connections at each four position.Since cooling fluid can be on the loop of two parallel connections reverse flow, so the high temperature side of cooling fluid and low temperature side are opposite mutually, thereby can relax the temperature difference of a plurality of cooling bodies 2 in loop.
The liquid cooling type electric power conversion device of Gou Chenging is compared with the liquid cooling type electric power conversion device of first form of implementation according to the present invention like this, is not easy to produce the imbalance of the pipe arrangement pressure loss.
The liquid cooling type electric power conversion device of Gou Chenging can obtain to simplify effects such as pipe arrangement, saving space, the pressure loss imbalance that reduces pipe arrangement, the hygral equilibrium of raising cooling body like this.
(the 5th form of implementation)
Below, with reference to the liquid cooling type electric power conversion device of accompanying drawing detailed description according to the 5th form of implementation of the present invention.Fig. 5 represents the part of unit 7 of device for electric power conversion and the part of pipe arrangement 4 of periphery thereof.In addition, for structure identical described in Fig. 1 to Fig. 4, adopt identical label and omit its explanation.
According to the 5th form of implementation of the present invention, in the liquid cooling type electric power conversion device of the 4th form of implementation, pipe arrangement 4 (entrance side) is connected on the position of entrance side of tubing connection portion 3 of first cooling body 2, a position from the outlet side of the tubing connection portion 3 of this cooling body 2, utilize entrance side, each position of outlet side of the tubing connection portion 3 of a plurality of cooling bodies 2 to connect successively, be connected on the pipe arrangement 4 (outlet side) from last cooling body 2.In addition, other pipe arrangement 4 (entrance side) is connected to the entrance side of the tubing connection portion 3 of aforementioned last cooling body 2, utilize the remaining tubing connection portion 3 of a plurality of cooling bodies 2, with with opposite being linked in sequence noted earlier, at last, be connected on the pipe arrangement 4 (outlet side) from aforementioned first cooling body 2.
The liquid cooling type electric power conversion device of Gou Chenging like this, owing to can make cooling fluid reverse flow in the loop of two parallel connections, so high temperature side of cooling fluid and to send low temperature side be opposite mutually in loop, thereby can relax the temperature difference of a plurality of cooling bodies 2, can cool off cooling body basically equably.
The liquid cooling type electric power conversion device of Gou Chenging can obtain to simplify effects such as pipe arrangement, saving space, the pressure loss imbalance that reduces pipe arrangement, the hygral equilibrium of raising cooling body like this.
(the 6th form of implementation)
Below, with reference to the liquid cooling type electric power conversion device of accompanying drawing detailed description according to the 6th form of implementation of the present invention.Fig. 6 is the structure chart according to the liquid cooling type electric power conversion device of the 6th form of implementation of the present invention.In addition, for structure identical described in Fig. 1 to Fig. 5, adopt identical label and omit its explanation.
According to the liquid cooling type electric power conversion device of the 6th form of implementation of the present invention, expression cooling body 2 in the 6th form of implementation, cooling body 2 is made of dual system stream independently, has the tubing connection portion 3 that is connected with the outside respectively at the place, two ends of stream.In addition, the stream of dual system, an end separately is arranged close to each other, the two ends of same stream be arranged on distant from the position on.
The liquid cooling type electric power conversion device of Gou Chenging circulates in the stream of dual system in opposite direction by making cooling fluid like this, the high temperature side of each stream and low temperature side counter-rotating, and the temperature inside that can relax cooling body 2 is poor.
The liquid cooling type electric power conversion device of Gou Chenging can obtain to simplify effects such as pipe arrangement, saving space, the pressure loss imbalance that reduces pipe arrangement, the hygral equilibrium of raising cooling body like this.
Claims (9)
1. a liquid cooling type electric power conversion device is characterized in that, comprising:
Semiconductor element and inner cooling body with mobile stream of cooling fluid are installed,
Between cooling fluid and air, carry out the heat exchanger of heat exchange,
The pipe arrangement that connects aforementioned cooling body and aforesaid heat exchangers,
Become each to be installed in mutually on the cooling body semiconductor element component that constitutes a group, being connected in series with pipe arrangement is equipped with not a plurality of cooling bodies of semiconductor element on the same group.
2. a liquid cooling type electric power conversion device is characterized in that, comprising:
The cooling body that semiconductor element, inside have the mobile stream of cooling fluid is installed,
Between cooling fluid and air, carry out the heat exchanger of heat exchange,
The pipe arrangement that connects aforementioned cooling body and aforesaid heat exchangers,
Become each branch road to be installed on the cooling body semiconductor element component that constitutes a group, being connected in series with pipe arrangement is equipped with not a plurality of cooling bodies of semiconductor element on the same group.
3. liquid cooling type electric power conversion device as claimed in claim 1 or 2 is characterized in that,
With pipe arrangement will be not identical being one another in series mutually on the same group couple together, and then be connected in parallel, constitute whole piping system.
4. liquid cooling type electric power conversion device as claimed in claim 1 or 2 is characterized in that,
With pipe arrangement will be not identical branch road on the same group be one another in series and couple together, and then be connected in parallel, constitute whole piping system.
5. liquid cooling type electric power conversion device as claimed in claim 1 or 2 is characterized in that,
Semiconductor element mounting on the same group is not on common cooling body.
6. liquid cooling type electric power conversion device as claimed in claim 1 is characterized in that,
With pipe arrangement will be not identical being one another in series mutually on the same group couple together, and then be connected in parallel, constitute whole piping system,
With pipe arrangement will be not identical branch road on the same group be one another in series and couple together, and then be connected in parallel, constitute whole piping system,
Semiconductor element mounting on the same group is not on common cooling body.
7. liquid cooling type electric power conversion device as claimed in claim 2 is characterized in that,
With pipe arrangement will be not identical being one another in series mutually on the same group couple together, and then be connected in parallel, constitute whole piping system,
With pipe arrangement will be not identical branch road on the same group be one another in series and couple together, and then be connected in parallel, constitute whole piping system,
Semiconductor element mounting on the same group is not on common cooling body.
8. a liquid cooling type electric power conversion device is characterized in that, comprising:
The cooling body that semiconductor element, inside have the mobile stream of cooling fluid is installed,
Between cooling fluid and air, carry out the heat exchanger of heat exchange,
The pipe arrangement that connects aforementioned cooling body and aforesaid heat exchangers,
Be connected a plurality of streams of the coolant flow between aforementioned a plurality of cooling body, constitute by two or more different paths at least.
9. liquid cooling type electric power conversion device comprises:
Cooling body, this cooling body hold the loop that the switch that utilizes semiconductor element carries out the electrical power conversion, and semiconductor element is installed, and have the stream of coolant flow in inside,
Between cooling fluid and air, carry out the heat exchanger of heat exchange,
They coupled together with pipe arrangement and make the pump of liquid circulation,
In described liquid cooling type electric power conversion device, it is characterized in that, the cooling body of semiconductor element is installed, portion has two groups of isolated streams within it, have two cooling fluid inlet connecting portions and cooling liquid outlet connecting portion respectively, a cooling fluid inlet connecting portion and another cooling liquid outlet connecting portion are approaching.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003351057A JP2005117829A (en) | 2003-10-09 | 2003-10-09 | Liquid cooled power conversion device |
| JP351057/2003 | 2003-10-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1606153A true CN1606153A (en) | 2005-04-13 |
| CN100356558C CN100356558C (en) | 2007-12-19 |
Family
ID=34542439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100835182A Expired - Fee Related CN100356558C (en) | 2003-10-09 | 2004-10-09 | Liquid cooling type electric power conversion device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2005117829A (en) |
| CN (1) | CN100356558C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664515A (en) * | 2012-05-18 | 2012-09-12 | 株洲南车时代电气股份有限公司 | Cooling device for converter power module |
| CN103855916A (en) * | 2012-12-03 | 2014-06-11 | 永济新时速电机电器有限责任公司 | Cooling pipeline and cooling device of current transformer |
| CN101682272B (en) * | 2007-05-31 | 2014-10-29 | 西门子工业公司 | Multi-unit power supply cooling system integrated water current connection |
| CN104167903A (en) * | 2014-08-07 | 2014-11-26 | 南车株洲电力机车研究所有限公司 | Heat dissipating system for current transformer |
| CN104584408A (en) * | 2012-09-28 | 2015-04-29 | 日立汽车系统株式会社 | Power conversion apparatus |
| CN107329555A (en) * | 2017-08-23 | 2017-11-07 | 湖南智热技术股份有限公司 | Soldering formula CPU water-filled radiators |
| CN109070905A (en) * | 2016-04-28 | 2018-12-21 | 株式会社东芝 | The power-converting device of rolling stock |
| CN109520338A (en) * | 2017-09-19 | 2019-03-26 | 万在工业股份有限公司 | Parallel-connection type condenser and radiator |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5817376B2 (en) * | 2011-09-16 | 2015-11-18 | 富士電機株式会社 | Power converter |
| JP5924106B2 (en) * | 2012-05-08 | 2016-05-25 | 富士電機株式会社 | Power converter |
| JP6982932B2 (en) * | 2018-11-28 | 2021-12-17 | 東芝三菱電機産業システム株式会社 | Power converter |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10150763A (en) * | 1996-09-20 | 1998-06-02 | Toshiba Corp | Semiconductor module and power converter |
| CN2513056Y (en) * | 2001-05-02 | 2002-09-25 | 邱泽国 | Medium circulation semiconductor refrigerator |
-
2003
- 2003-10-09 JP JP2003351057A patent/JP2005117829A/en active Pending
-
2004
- 2004-10-09 CN CNB2004100835182A patent/CN100356558C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101682272B (en) * | 2007-05-31 | 2014-10-29 | 西门子工业公司 | Multi-unit power supply cooling system integrated water current connection |
| CN102664515A (en) * | 2012-05-18 | 2012-09-12 | 株洲南车时代电气股份有限公司 | Cooling device for converter power module |
| CN102664515B (en) * | 2012-05-18 | 2014-07-30 | 株洲南车时代电气股份有限公司 | Cooling device for converter power module |
| CN104584408A (en) * | 2012-09-28 | 2015-04-29 | 日立汽车系统株式会社 | Power conversion apparatus |
| CN103855916A (en) * | 2012-12-03 | 2014-06-11 | 永济新时速电机电器有限责任公司 | Cooling pipeline and cooling device of current transformer |
| CN104167903A (en) * | 2014-08-07 | 2014-11-26 | 南车株洲电力机车研究所有限公司 | Heat dissipating system for current transformer |
| CN104167903B (en) * | 2014-08-07 | 2017-06-13 | 南车株洲电力机车研究所有限公司 | The cooling system of current transformer |
| CN109070905A (en) * | 2016-04-28 | 2018-12-21 | 株式会社东芝 | The power-converting device of rolling stock |
| CN107329555A (en) * | 2017-08-23 | 2017-11-07 | 湖南智热技术股份有限公司 | Soldering formula CPU water-filled radiators |
| CN109520338A (en) * | 2017-09-19 | 2019-03-26 | 万在工业股份有限公司 | Parallel-connection type condenser and radiator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100356558C (en) | 2007-12-19 |
| JP2005117829A (en) | 2005-04-28 |
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