CN204102880U - A kind of converter valve components cooling system - Google Patents
A kind of converter valve components cooling system Download PDFInfo
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- CN204102880U CN204102880U CN201420479188.8U CN201420479188U CN204102880U CN 204102880 U CN204102880 U CN 204102880U CN 201420479188 U CN201420479188 U CN 201420479188U CN 204102880 U CN204102880 U CN 204102880U
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- cooling
- odd number
- cooling element
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- branch road
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Abstract
The utility model discloses a kind of converter valve components cooling system, described assembly is arranged by cooling element and heater element successively sequence interval and is formed, assembly at least comprises two cooling elements and a heater element, described cooling system comprises at least two cooling fluid conveying branch roads, first branch road is from odd number part first inflow being disposed in order cooling element, ascending order series connection odd number part cooling element successively, from odd number part, last flows out, second branch road is from last inflow of even segments being disposed in order cooling element, descending series connection even segments cooling element successively, from even segments first outflow, or, first branch road is from even segments first inflow being disposed in order cooling element, ascending order series connection even segments cooling element successively, from even segments, last flows out, second road is from last inflow of odd number part being disposed in order cooling element, descending series connection odd number part cooling element successively, from odd number part first outflow.
Description
Technical field
The utility model relates to the cooling system of power electronics, particularly a kind of converter valve components cooling system based on power electronic device.
Background technology
Converter valve is the core component of power electronic equipment, the elements such as the power electronic device in running in converter valve, damping resistance can produce amount of heat, converter valve operating temperature can be caused too high if can not get efficiently radiates heat, affect overall performance, even damage converter valve.Therefore, the exchange heat that inner member produces must be gone out by the corresponding cooling system of configuration by converter valve, makes it be operated in rational temperature range.
Owing to there being multiple element needing cooling in converter valve, the cooling line of its inside is arranged and is also had a great impact radiating effect, system reliability.Existing cooling system is not good to the radiating effect of element in converter valve, and system reliability is not high.
Utility model content
The purpose of this utility model is to provide a kind of converter valve components cooling system, to improve the radiating effect of element and the reliability of cooling system in converter valve.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of converter valve components cooling system, described assembly comprises cooling element and the heater element of sequence interval layout successively, described assembly at least comprises two cooling elements and a heater element, described cooling system comprises at least two cooling fluid conveying branch roads, first branch road is from odd number part first inflow being disposed in order cooling element, ascending order series connection odd number part cooling element successively, from odd number part, last flows out, second branch road is from last inflow of even segments being disposed in order cooling element, descending series connection even segments cooling element successively, from even segments first outflow, or, first branch road is from even segments first inflow being disposed in order cooling element, ascending order series connection even segments cooling element successively, from even segments, last flows out, second road is from last inflow of odd number part being disposed in order cooling element, descending series connection odd number part cooling element successively, from odd number part first outflow.
Wherein, described assembly also comprises shunt and junction station, and first cooling fluid enters described shunt, is divided into two branch roads through described shunt, two branch roads are connected with the entrance of described first branch road and the second branch road respectively, and junction station is connected with the outlet of described first branch road and the second branch road.
Wherein, described assembly also comprises reactor, and first cooling fluid enters described reactor, after described reactor flows out, enter described shunt.
A kind of converter valve components cooling system, described assembly comprises cooling element and the heater element of sequence interval layout successively, and described assembly at least comprises two cooling elements and a heater element, and described assembly also comprises reactor one and reactor two; Described cooling system comprises at least two cooling fluid conveying branch roads, and cooling fluid enters described reactor one and reactor two respectively, after described reactor one flows out, connect the first branch road, after described reactor two flows out, connect the second branch road; First branch road is from odd number part first inflow being disposed in order cooling element, ascending order series connection odd number part cooling element successively, from odd number part, last flows out, second branch road is from last inflow of even segments being disposed in order cooling element, descending series connection even segments cooling element successively, from even segments first outflow; Or, first branch road is from even segments first inflow being disposed in order cooling element, ascending order series connection even segments cooling element successively, from even segments, last flows out, second road is from last inflow of odd number part being disposed in order cooling element, descending series connection odd number part cooling element successively, from odd number part first outflow.
After adopting such scheme, the utility model has following beneficial effect:
1) pipeline structure of system is simple, is convenient to implement;
2) decrease interface quantity, reduce the risk occurring to leak, improve reliability;
3) in assembly, the thermal stress of each power electronic device is substantially identical, improves the utilance of converter valve components;
4) reduce the flow resistance of bypass line, reduce flow.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model converter valve components cooling system unifies embodiment;
Fig. 2 is the temperature rise schematic diagram of cooling fluid in the utility model converter valve components cooling system;
Fig. 3 is an embodiment of the utility model converter valve components cooling system;
Fig. 4 is the cooling system structure embodiment that the utility model assembly comprises shunt and junction station;
Fig. 5 is the cooling system structure embodiment that the utility model assembly comprises a reactor;
Fig. 6 is the cooling system structure embodiment that the utility model assembly comprises two reactors.
Wherein, R1-R9 is cooling element, and H1-H8 is heater element, and 1 is shunt, and 2 is junction station, and L1, L2 are reactor.
Embodiment
Below in conjunction with the drawings and specific embodiments, the technical solution of the utility model is elaborated further.
A kind of converter valve components cooling system that the utility model embodiment provides, its assembly comprises cooling element and the heater element of sequence interval layout successively, described assembly at least comprises two cooling elements and a heater element, described cooling system comprises at least two cooling fluid conveying branch roads, first branch road is from odd number part first inflow being disposed in order cooling element, ascending order series connection odd number part cooling element successively, from odd number part, last flows out, second branch road is from last inflow of even segments being disposed in order cooling element, descending series connection even segments cooling element successively, from even segments first outflow, or, first branch road is from even segments first inflow being disposed in order cooling element, ascending order series connection even segments cooling element successively, from even segments, last flows out, second road is from last inflow of odd number part being disposed in order cooling element, descending series connection odd number part cooling element successively, from odd number part first outflow.
In such scheme, described assembly can also comprise shunt and junction station, and first cooling fluid enters shunt, is divided into two branch roads through shunt, two branch roads are connected with the entrance of the first branch road and the second branch road respectively, and junction station is connected with the outlet of described first branch road and the second branch road.The effect of shunt is that the cooling fluid entering assembly is divided into two branch roads, and under the condition of identical turnover cooling liquid temperature difference, reduce the flow of branch road, reduce the requirement to radiator, junction station is for collecting the cooling fluid of two branch roads.
In such scheme, described assembly can also comprise reactor, first cooling fluid enters reactor, shunt is entered after reactor flows out, two branch roads are divided into through shunt, two branch roads are connected with the entrance of the first branch road and the second branch road respectively, and junction station is connected with the outlet of described first branch road and the second branch road.The effect of reactor be heater element opening process in limiter assembly current-rising-rate, bear and rush voltage, protection heater element.
The another kind of converter valve components cooling system that the utility model embodiment provides, its assembly comprises cooling element and the heater element of sequence interval layout successively, described assembly at least comprises two cooling elements and a heater element, and described assembly also comprises reactor one and reactor two; Described cooling system comprises at least two cooling fluid conveying branch roads, and cooling fluid enters described reactor one and reactor two respectively, after described reactor one flows out, connect the first branch road, after described reactor two flows out, connect the second branch road; First branch road is from odd number part first inflow being disposed in order cooling element, ascending order series connection odd number part cooling element successively, from odd number part, last flows out, second branch road is from last inflow of even segments being disposed in order cooling element, descending series connection even segments cooling element successively, from even segments first outflow; Or, first branch road is from even segments first inflow being disposed in order cooling element, ascending order series connection even segments cooling element successively, from even segments, last flows out, second road is from last inflow of odd number part being disposed in order cooling element, descending series connection odd number part cooling element successively, from odd number part first outflow.Wherein, the effect of reactor is the current-rising-rate of heater element opening process in limiter assembly, bears and rush voltage, protection heater element.
The converter valve components cooling system of the utility model embodiment belongs to connection in series-parallel combining structure, adopts this structure can reduce the interface quantity of converter valve components inner cooling system, reduces cooling fluid risk of leakage, improves system reliability; In addition, adopt the scheme of the utility model embodiment can also in balanced component device thermal stress, improve assembly utilance while, reduce the flow of bypass line, reduce flow resistance.
Below based on DC transmission system converter valve, and by reference to the accompanying drawings the technical solution of the utility model and beneficial effect will be described in detail.Though the utility model is using DC transmission system converter valve as description object, but be not only directed to DC transmission system converter valve specially, also also non-expert, only for the cooling of converter valve components, is also applicable to have the cooling with other assemblies of converter valve components similar structures.
Fig. 1 shows an embodiment of assembly cooling system described in the utility model, assembly comprises 7 radiators (R1, R2, R3, R4, R5, R6, R7) and 6 thyristors (H1, H2, H3, H4, H5, H6), and the order that radiator and thyristor press R1, H1, R2, H2, R3, H3, R4, H4, R5, H5, R6, H6, R7 is arranged at interval successively.The cooling system of described assembly comprises two cooling fluid conveying branch roads, first branch road W1 cooling fluid flows into from odd number part first the radiator R1 being disposed in order radiator, by R1, R3, R5, R7 sequential series odd number part heat sink, flow out from last radiator of odd number part R7; Second branch road W2 cooling fluid flows into from last radiator of the even segments R6 being disposed in order radiator, by R6, R4, R2 sequential series even segments radiator, flows out from even segments first radiator R2.
As shown in Figure 2, in Fig. 1, the cooling fluid of each branch road constantly rises flowing through temperature on direction, and Fig. 2 just illustrates the trend that temperature rises, actual temperature rising curve not necessarily straight line.For single thyristor, although the coolant temperature of its two side radiator is likely different, on the whole, the radiating condition of each radiator is substantially identical.By above-mentioned the utility model embodiment, in balanced assembly, the radiating condition of each thyristor, improves the utilance of thyristor assembly.
Fig. 3 shows the another one embodiment of assembly cooling system described in the utility model, assembly comprises 8 radiators (R1, R2, R3, R4, R5, R6, R7, R8) and 7 thyristors (H1, H2, H3, H4, H5, H6, H7), and the order that radiator and thyristor press R1, H1, R2, H2, R3, H3, R4, H4, R5, H5, R6, H6, R7, H7, R8 is arranged at interval successively.The cooling system of described assembly comprises two cooling fluid conveying branch roads, first branch road W1 cooling fluid flows into from even segments first the radiator R2 being disposed in order radiator, by R2, R4, R6, R8 sequential series even segments radiator, flow out from last radiator of even segments R8; Second branch road W2 cooling fluid flows into from last radiator of the odd number part R7 being disposed in order radiator, by R7, R5, R3, R1 sequential series odd number part heat sink, flows out from odd number part first radiator R1.
Fig. 4 shows a change example of assembly cooling system described in the utility model, assembly comprises 6 radiators (R1, R2, R3, R4, R5, R6) and 5 thyristors (H1, H2, H3, H4, H5), also comprises shunt 1 and junction station 2.The order that radiator and thyristor press R1, H1, R2, H2, R3, H3, R4, H4, R5, H5, R6 is arranged at interval successively.In the cooling system of described assembly, cooling fluid is divided into two branch roads after entering shunt 1, first branch road W1 flows into from odd number part first the radiator R1 being disposed in order radiator, by R1, R3, R5 sequential series odd number part heat sink, flow out from last radiator of odd number part R5, enter junction station 2; Second branch road W2 flows into from last radiator of the even segments R6 being disposed in order radiator, by R6, R4, R2 sequential series even segments radiator, flows out, also enter junction station 2 from even segments first radiator R2.Wherein, the effect of shunt 1 is that the cooling fluid entering assembly is divided into two branch roads, and under the condition of identical turnover cooling liquid temperature difference, reduce the flow of branch road, reduce the requirement to radiator, junction station 2 is for collecting the cooling fluid of two branch roads.
The another one that Fig. 5 shows assembly cooling system described in the utility model changes embodiment, assembly comprises 7 radiators (R1, R2, R3, R4, R5, R6, R7, R8, R9) and 8 thyristors (H1, H2, H3, H4, H5, H6, H7, H8), also comprises reactor L1, shunt 1 and junction station 2.The order that radiator and thyristor press R1, H1, R2, H2, R3, H3, R4, H4, R5, H5, R6, H6, R7, H7, R8, H8, R9 is arranged at interval successively.In the cooling system of described assembly, first cooling fluid flows into reactor L1, two branch roads are divided into after reactor L1 outflow enters shunt 1, first branch road W1 flows into from odd number part first the radiator R1 being disposed in order radiator, by R1, R3, R5, R7, R9 sequential series odd number part heat sink, flow out from last radiator of odd number part R9, enter junction station 2; Second branch road W2 flows into from last radiator of the even segments R8 being disposed in order radiator, by R8, R6, R4, R2 sequential series even segments radiator, flows out, also enter junction station 2 from even segments first radiator R2.Wherein, the effect of reactor L1 is the current-rising-rate of thyristor opening process in limiter assembly, bears and rush voltage, protection thyristor.
Fig. 6 show assembly cooling system described in the utility model another change embodiment, assembly comprises 7 radiators (R1, R2, R3, R4, R5, R6, R7) and 6 thyristors (H1, H2, H3, H4, H5, H6), also comprises reactor L1, L2.The order that radiator and thyristor press R1, H1, R2, H2, R3, H3, R4, H4, R5, H5, R6, H6, R7 is arranged at interval successively.The cooling system of described assembly comprises two cooling fluid conveying branch roads, first first branch road W1 cooling fluid flows into reactor L1, flow into from odd number part first the radiator R1 being disposed in order radiator after reactor L1 flows out, by R1, R3, R5, R7 sequential series odd number part heat sink, flow out from last radiator of odd number part R7; First second branch road W2 cooling fluid flows into reactor L2, flow into from last radiator of the even segments R6 being disposed in order radiator after reactor L2 flows out, by R6, R4, R2 sequential series even segments radiator, flow out from even segments first radiator R2.Wherein, the effect of reactor L1, L2 is the current-rising-rate of thyristor opening process in limiter assembly, bears and rush voltage, protection thyristor.
In sum, after adopting above-mentioned embodiment of the present utility model, there is at least following beneficial effect:
1) pipeline structure of system is simple, is convenient to implement;
2) decrease interface quantity, reduce the risk occurring to leak, improve reliability;
3) in assembly, the thermal stress of each power electronic device is substantially identical, improves the utilance of converter valve components;
4) reduce the flow resistance of bypass line, reduce flow.
Above embodiment is only and technological thought of the present utility model is described; protection range of the present utility model can not be limited with this; every technological thought according to the utility model proposes, any change that technical scheme basis is done, all falls within the utility model protection range.
Claims (4)
1. a converter valve components cooling system, it is characterized in that: described assembly comprises cooling element and the heater element of sequence interval layout successively, described assembly at least comprises two cooling elements and a heater element, described cooling system comprises at least two cooling fluid conveying branch roads, first branch road is from odd number part first inflow being disposed in order cooling element, ascending order series connection odd number part cooling element successively, from odd number part, last flows out, second branch road is from last inflow of even segments being disposed in order cooling element, descending series connection even segments cooling element successively, from even segments first outflow, or, first branch road is from even segments first inflow being disposed in order cooling element, ascending order series connection even segments cooling element successively, from even segments, last flows out, second road is from last inflow of odd number part being disposed in order cooling element, descending series connection odd number part cooling element successively, from odd number part first outflow.
2. converter valve components cooling system as claimed in claim 1, it is characterized in that: described assembly also comprises shunt and junction station, first cooling fluid enters described shunt, two branch roads are divided into through described shunt, two branch roads are connected with the entrance of described first branch road and the second branch road respectively, and junction station is connected with the outlet of described first branch road and the second branch road.
3. converter valve components cooling system as claimed in claim 2, it is characterized in that: described assembly also comprises reactor, first cooling fluid enters described reactor, after described reactor flows out, enter described shunt.
4. a converter valve components cooling system, it is characterized in that: described assembly comprises cooling element and the heater element of sequence interval layout successively, described assembly at least comprises two cooling elements and a heater element, and described assembly also comprises reactor one and reactor two; Described cooling system comprises at least two cooling fluid conveying branch roads, and cooling fluid enters described reactor one and reactor two respectively, after described reactor one flows out, connect the first branch road, after described reactor two flows out, connect the second branch road; First branch road is from odd number part first inflow being disposed in order cooling element, ascending order series connection odd number part cooling element successively, from odd number part, last flows out, second branch road is from last inflow of even segments being disposed in order cooling element, descending series connection even segments cooling element successively, from even segments first outflow; Or, first branch road is from even segments first inflow being disposed in order cooling element, ascending order series connection even segments cooling element successively, from even segments, last flows out, second road is from last inflow of odd number part being disposed in order cooling element, descending series connection odd number part cooling element successively, from odd number part first outflow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420479188.8U CN204102880U (en) | 2014-08-22 | 2014-08-22 | A kind of converter valve components cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420479188.8U CN204102880U (en) | 2014-08-22 | 2014-08-22 | A kind of converter valve components cooling system |
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| Publication Number | Publication Date |
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| CN204102880U true CN204102880U (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420479188.8U Withdrawn - After Issue CN204102880U (en) | 2014-08-22 | 2014-08-22 | A kind of converter valve components cooling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016026469A1 (en) * | 2014-08-22 | 2016-02-25 | 南京南瑞继保电气有限公司 | Converter valve assembly cooling system |
-
2014
- 2014-08-22 CN CN201420479188.8U patent/CN204102880U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016026469A1 (en) * | 2014-08-22 | 2016-02-25 | 南京南瑞继保电气有限公司 | Converter valve assembly cooling system |
| CN104201161B (en) * | 2014-08-22 | 2017-07-28 | 南京南瑞继保电气有限公司 | A kind of converter valve components cooling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150114 Effective date of abandoning: 20170728 |