CN202009326U - Novel water pipe structure applied to high-voltage direct-current converter valves - Google Patents
Novel water pipe structure applied to high-voltage direct-current converter valves Download PDFInfo
- Publication number
- CN202009326U CN202009326U CN2011200809450U CN201120080945U CN202009326U CN 202009326 U CN202009326 U CN 202009326U CN 2011200809450 U CN2011200809450 U CN 2011200809450U CN 201120080945 U CN201120080945 U CN 201120080945U CN 202009326 U CN202009326 U CN 202009326U
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- pipe structure
- water pipe
- current converter
- water
- branch road
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 238000001816 cooling Methods 0.000 claims abstract description 23
- 238000013016 damping Methods 0.000 claims abstract description 16
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000009413 insulation Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 238000010292 electrical insulation Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The utility model relates to the field of water cooling systems in power electronics, in particular to a novel water pipe structure applied to high-voltage direct-current converter valves. The water pipe structure comprises a water inlet, a saturable reactor, thyristor valve radiators, damping resistors and a water outlet, and comprises at least two cooling branches which are independent from each other and are connected in parallel. The utility model designs a water distribution pipeline for direct-current converter valves into a parallel- series hybrid arrangement mode, the flow resistance and thermal resistance of thermoelements are reasonably matched, so that the increase of the flow resistance of a water system is little under the premise that good heat exchange conditions are obtained, meanwhile, the water pipe structure has good electric insulation property, the number of water unions is reduced, and the probability of leakage is decreased.
Description
Technical field:
The utility model relates to the water-cooling system field in the power electronics, relates more specifically to a kind of novel water pipe structure that is applied to high voltage direct current converter valve.
Background technology:
Converter valve is the nucleus equipment of DC transmission engineering, and power electronic technology, light-operated switch technology, high pressure technique, control technology, technology of pressure equalization, cooling technology and the high pressure state-of-the-art technology with insulating material has been used in its design.Wherein water cooling system is the important component part of converter valve, and it is discharged into the consumption heating amount of each components and parts on the valve Room outside the valve Room, guarantees that controllable silicon moves normal junction temperature in normal range (NR).
Traditional water cooling system is arranged the serial or parallel connection mode that adopts.The converter valve assembly adopts the series connection type of cooling, cooling water enters thyristor radiator, damping resistance and saturable reactor from water inlet pipe branch multichannel, is pooled to outlet pipe after taking away heat, and the flow path of water is long in the series pipe, flow is big, can guarantee that each water-cooled element is all fully cooled off.But go out, the temperature difference of water inlet is bigger, the element of especially last cooling is in higher temperature work, water-cooling system causes less resistance because of pipeline section is long-pending excessive simultaneously.For improving be heated situation and improve water resistance of cooling circuit end component, adopt the layout of parallel pipeline usually, but bring water swivel too much and phenomenon such as flow is excessive simultaneously.
The utility model content:
The purpose of this utility model provides a kind of novel water pipe structure that is applied to high voltage direct current converter valve, the DC converter valve water distribution pipeline is designed to and series hybrid type arrangement, flow resistance and thermal resistance by the rational Match thermal element, obtaining under the good heat transfer boundary condition, the flow resistance of water system increases little, electrical insulation characteristics is preferably arranged simultaneously, reduced the water swivel number, reduced the probability of revealing.
For achieving the above object, the utility model is by the following technical solutions:
A kind of novel water pipe structure that is applied to high voltage direct current converter valve that the utility model provides, described water pipe structure comprises water inlet, saturable reactor, brilliant valve tube radiator, damping resistance and delivery port, and described water pipe structure comprises that at least two cooling branch roads independent of each other compose in parallel.
In a kind of novel water pipe structure technical scheme that is applied to high voltage direct current converter valve that the utility model provides, described cooling branch road comprises that first branch road, second branch road and three cooling branch roads independent of each other of the 3rd branch road compose in parallel, described each independently cool off branch road and adopt and to be connected in series.
In another preferred a kind of novel water pipe structure technical scheme that is applied to high voltage direct current converter valve that the utility model provides, described three common water inlets and delivery ports of using of cooling branch roads independently of one another.
In the preferred a kind of novel water pipe structure technical scheme that is applied to high voltage direct current converter valve again that the utility model provides, described first branch road comprises water inlet, saturable reactor, three brilliant valve tube radiators and delivery port.
In another preferred a kind of novel water pipe structure technical scheme that is applied to high voltage direct current converter valve that the utility model provides, described second branch road comprises water inlet, two brilliant valve tube radiators, three damping resistances and delivery port.
In another preferred a kind of novel water pipe structure technical scheme that is applied to high voltage direct current converter valve that the utility model provides, described the 3rd branch road comprises water inlet, two brilliant valve tube radiators, three damping resistances and delivery port.
In another preferred a kind of novel water pipe structure technical scheme that is applied to high voltage direct current converter valve that the utility model provides, described first branch road comprises water inlet, saturable reactor, three brilliant valve tube radiators and delivery port, described second branch road comprises water inlet, two brilliant valve tube radiators, three damping resistances and delivery port, and described the 3rd branch road comprises water inlet, two brilliant valve tube radiators, three damping resistances and delivery port.
Because the beneficial effect that has adopted technique scheme, the utility model to obtain is:
1, each heated element can evenly be cooled off, and gives full play to the cooling capacity of water system.
2, many branch roads have independently reduced the current flow process, have reduced flow resistance, can reduce pump power.
3, many branch roads independently can adopt thinner water pipe, have improved the electrical insulation characteristics in water route.
4, many separate branches parallel connections have reduced the water swivel number, have reduced the possibility of the corrosion and the leakage of joint.
Description of drawings
Fig. 1 is a kind of novel water pipe structure schematic diagram that is applied to high voltage direct current converter valve;
Wherein, 1-water inlet, 2-saturable reactor, the brilliant valve tube radiator of 3-, 4-damping resistance, 5-delivery port.
Embodiment
Below in conjunction with embodiment utility model is described in further detail.
Embodiment 1:
Shown in Fig. 1-2, a kind of fluid power percussion mechanism of this routine utility model, comprise water inlet 1, saturable reactor 2, brilliant valve tube radiator 3, damping resistance 4 and delivery port 5, water pipe structure comprises that at least two cooling branch roads independent of each other compose in parallel, the cooling branch road comprises first branch road in this programme, three cooling branch roads independent of each other of second branch road and the 3rd branch road compose in parallel, each independently cools off the branch road employing and is connected in series, a three common water inlet 1 and delivery ports 5 of using of cooling branch road independently of one another, first branch road comprises water inlet 1, saturable reactor 2, three brilliant valve tube radiators 3 and delivery port 5, second branch road comprises water inlet 1, two brilliant valve tube radiators 3, three damping resistances 4 and delivery port 5, the three branch roads comprise water inlet 1, two brilliant valve tube radiators 3, three damping resistances 4 and delivery port 5.
During design, at first, carry out the hot-fluid rational Match of element, calculate discharge and the sectional area and the pump head of main pipe rail according to the heat load and the flow resistance characteristic of heat transfer and Hydrodynamics Theory calculating thermal element, determine the quantity of water flow passage branch then, mate the series element of branch line at last.
According to above-mentioned technical scheme, the water flow passage numbers of branches that is adopted, series element type and quantity are answered viewing system heating power and drag characteristic and are decided, and the technical scheme of Xing Chenging also belongs to protection scope of the present invention thus.
Should be noted that at last: above embodiment only is not intended to limit in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to the foregoing description, those of ordinary skill in the field are to be understood that: still can make amendment or be equal to replacement embodiment of the present utility model, and do not break away from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the middle of this claim scope.
Claims (7)
1. novel water pipe structure that is applied to high voltage direct current converter valve, described water pipe structure comprises water inlet (1), saturable reactor (2), brilliant valve tube radiator (3), damping resistance (4) and delivery port (5), it is characterized in that: described water pipe structure comprises that at least two cooling branch roads independent of each other compose in parallel.
2. a kind of novel water pipe structure that is applied to high voltage direct current converter valve as claimed in claim 1 is characterized in that: described cooling branch road comprises that first branch road, second branch road and three cooling branch roads independent of each other of the 3rd branch road compose in parallel.
3. a kind of novel water pipe structure that is applied to high voltage direct current converter valve as claimed in claim 2 is characterized in that: described three a common water inlet (1) and delivery ports (5) of using of cooling branch road independently of one another.
4. a kind of novel water pipe structure that is applied to high voltage direct current converter valve as claimed in claim 3 is characterized in that: described first branch road comprises water inlet (1), saturable reactor (2), three brilliant valve tube radiators (3) and delivery port (5).
5. a kind of novel water pipe structure that is applied to high voltage direct current converter valve as claimed in claim 4 is characterized in that: described second branch road comprises water inlet (1), two brilliant valve tube radiators (3), three damping resistances (4) and delivery port (5).
6. a kind of novel water pipe structure that is applied to high voltage direct current converter valve as claimed in claim 5 is characterized in that: described the 3rd branch road comprises water inlet (1), two brilliant valve tube radiators (3), three damping resistances (4) and delivery port (5).
7. a kind of novel water pipe structure that is applied to high voltage direct current converter valve as claimed in claim 2, it is characterized in that: described first branch road comprises water inlet (1), saturable reactor (2), three brilliant valve tube radiators (3) and delivery port (5), described second branch road comprises water inlet (1), two brilliant valve tube radiators (3), three damping resistances (4) and delivery port (5), and described the 3rd branch road comprises water inlet (1), two brilliant valve tube radiators (3), three damping resistances (4) and delivery port (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200809450U CN202009326U (en) | 2011-03-24 | 2011-03-24 | Novel water pipe structure applied to high-voltage direct-current converter valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200809450U CN202009326U (en) | 2011-03-24 | 2011-03-24 | Novel water pipe structure applied to high-voltage direct-current converter valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202009326U true CN202009326U (en) | 2011-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200809450U Expired - Lifetime CN202009326U (en) | 2011-03-24 | 2011-03-24 | Novel water pipe structure applied to high-voltage direct-current converter valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202009326U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015067177A1 (en) * | 2013-11-06 | 2015-05-14 | 国家电网公司 | Module flow balancing water channel for direct-current converter valve |
| CN106061204A (en) * | 2016-06-27 | 2016-10-26 | 武汉洪山电工科技有限公司 | Cooling system of excitation power cabinet |
-
2011
- 2011-03-24 CN CN2011200809450U patent/CN202009326U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015067177A1 (en) * | 2013-11-06 | 2015-05-14 | 国家电网公司 | Module flow balancing water channel for direct-current converter valve |
| CN106061204A (en) * | 2016-06-27 | 2016-10-26 | 武汉洪山电工科技有限公司 | Cooling system of excitation power cabinet |
| CN106061204B (en) * | 2016-06-27 | 2019-03-22 | 武汉洪山电工科技有限公司 | A kind of cooling system of exciting power cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20140321 Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: CHINA ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20140321 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100192 HAIDIAN, BEIJING TO: 100031 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140321 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: China Electric Power Research Institute Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Patentee before: China Electric Power Research Institute |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111012 |