CN206118269U - Cooling back installation of change of current valve - Google Patents
Cooling back installation of change of current valve Download PDFInfo
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- CN206118269U CN206118269U CN201621064780.7U CN201621064780U CN206118269U CN 206118269 U CN206118269 U CN 206118269U CN 201621064780 U CN201621064780 U CN 201621064780U CN 206118269 U CN206118269 U CN 206118269U
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- radiator
- heat
- pipeline
- cooling
- back installation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The utility model discloses a cooling back installation of change of current valve, a serial communication port, including radiator, heat exchanger and the circulating pump of realizing the intercommunication in order through the pipeline, wherein the export of circulating pump with the entry of radiator is connected through the pipeline to form closed -loop, be provided with the phase transition microemulsion among the closed -loop, flow the radiator the phase transition microemulsion is flowed through behind the heat exchanger under the effect of circulating pump, return to in the radiator. Adopt the device of this application at first to store the heat of change of current valve release with the mode of latent heat, its heat -retaining density is very big, and then extremely external with heat release through heat exchanger, and its heat exchange efficiency is high, and is obvious to the cooling effect of change of current valve.
Description
Technical field
The present invention relates to a kind of chiller, and in particular to a kind of device cooled down to converter valve.
Background technology
Converter valve is the nucleus equipment of AC-to-DC electricity conversion in DC transmission system.Substantial amounts of heat can be produced in operation,
So needing the normal use cooled down to it to ensure element and preventing its aging.The water of low oxygen content is due to its height ratio
The characteristics such as heat, high resistance, the coolant being widely used as in conventional converter valve.Water-cooling system is uniform due to its cooling, and effect is good,
The advantages of noise is little, is widely applied in every profession and trade and pays close attention in a large number.But in heat transfer process, heat is completely with sensible heat
Mode is transmitted, therefore the absorbent heat of water institute of unit mass depends entirely on its specific heat capacity and the temperature difference.In cooling system
In the case that system scale is constant, with the increase of electrical grid transmission heater element power, the power density of converter valve is also constantly increasing
Plus so that the temperature of water constantly rises with the increase for absorbing heat, and causing the temperature of radiator outlet side will be much higher than entrance
Side.Cooling effect inequality in radiator is easily caused, causes the Temperature Distribution of converter valve unequal, be also easy to produce in addition
The too high focus of local temperature, affects converter valve normally to run, and accelerates its aging, and equipment is will result directly in when serious cannot work
Even damage.And if meeting the cooling demand of heater element premised on to improve cooling water amount, then need to big at present
The structure of most existing cooling devices is improved, and virtually increased the burden of enterprise, and causes unnecessary waste.Cause
This, how under certain structural condition, on the basis of cooling system scale and related energy consumption is not increased, improves cooling system
It is particularly important that the cooling capacity of system becomes.
Chinese patent literature CN103146349A discloses a kind of n-octadecane phase transformation microemulsion, it include water, 5%～
40% n-octadecane, 2%～20% surfactant, 0～20% aliphatic alcohols and 0～3% inorganic salts.It is above-mentioned
N-octadecane phase transformation microemulsion can be applicable in microelectronics system heat management, and dissipate as the efficient of microchannel in heat management system
Hot cooling working medium is used.Its principle is to be stored heat in the form of latent heat using phase-change material, effective so as to improve its
Thermal capacitance, effectively lifts its storage density in certain operating temperature range, can so not change coolant usage amount
In the case of increase its heat being carried by, so as to the cooling capacity of lift system.On the one hand, because above-mentioned microemulsion has
Certain electric conductivity, when being cooled down to converter valve using above-mentioned microemulsion, the HVDC that converter valve itself has
Easily puncture radiator, on the other hand, because the running temperature of converter valve is not above 80 DEG C, and the power density for processing is big,
The cooling working medium provided in above-mentioned patent documentation, is suitable only for processing small volume, the relatively low microelectronics system of temperature
System, it is impossible to suitable for the cooling of converter valve.
Utility model content
Therefore, the technical problems to be solved in the utility model is to overcome the cooling working medium that converter valve is cooled down in prior art
The problem that the side temperature difference is larger, causes converter valve cooling effect poor is imported and exported in radiator, so as to provide a kind of cooling of converter valve
Device.
For this purpose, the technical scheme that the application takes is,
A kind of cooling back installation of converter valve, including sequentially pass through pipeline realize connection radiator, heat exchanger and
Circulating pump, wherein the outlet of the circulating pump is connected with the entrance of the radiator by pipeline, to form closed-loop path, institute
State and be provided with closed-loop path phase transformation microemulsion, the phase transformation microemulsion for flowing out the radiator flows through the heat exchanger
Afterwards, in the presence of the circulating pump, in being back to the radiator.
In above-mentioned cooling back installation, the radiator includes hot channel, and the heat exchanger includes heat exchange pipeline, institute
State hot channel to be connected with the heat exchange pipeline.
In above-mentioned cooling back installation, the direct current equalizing resistance in the converter valve contacts with the radiator, with reality
Existing cooling of the radiator to the converter valve.
In above-mentioned cooling back installation, the heat exchanger is evaporative cooling tower or fin radiator.
In above-mentioned cooling back installation, the entrance point and the port of export of the heat exchanger are respectively arranged with temperature detection dress
Put.
In above-mentioned cooling back installation, the pipeline is copper pipe road, aluminum pipe road, rustless steel pipeline, steel alloy pipeline, PVDF
Pipeline, CPVC pipelines, PP pipelines or PE pipelines.
In above-mentioned cooling back installation, the radiator is copper radiator, aluminium radiator, stainless steel heat radiator or steel alloy
Radiator.
In above-mentioned cooling back installation, the phase transformation microemulsion includes phase-change material, nonionic surfactant and water, with
The gross mass meter of the phase transformation microemulsion, nonionic surfactant is 0-5%, and phase-change material is 0.05-50%, the phase transformation
Material is the mixture of one or more paraffin formation.The phase-change material meets following condition
Δ T=T2-T1,
Wherein,
Cp is the specific heat of the phase-change material, kJ/kg/K,
H is the enthalpy of phase change kJ/kg of the phase-change material,
T2 be coolant be water when, exchange heat work after the completion of coolant exit temperature, DEG C,
T1 be coolant be water when, coolant entrance temperature, DEG C,
χ accounts for the mass fraction of the phase transformation microemulsion for phase-change material.
The technical solution of the utility model, has the advantage that：
1st, the converter valve cooling back installation of the application, including the radiator, the heat exchange that sequentially pass through pipeline realization connection
Device and circulating pump, wherein the outlet of the circulating pump is connected with the entrance of the radiator by pipeline, are closed back with being formed
Road, is provided with phase transformation microemulsion in the closed-loop path, the phase transformation microemulsion for flowing out the radiator flows through the heat friendship
After parallel operation, in the presence of the circulating pump, in being back to the radiator.Device using the application is being carried out to converter valve
During cooling, the heat that converter valve discharges is stored in the way of latent heat first, storage density is very big, then again by heat
Exchanger is released in air, and heat exchange efficiency is high, is reduced radiator and is imported and exported the side temperature difference, converter valve good cooling results.
2nd, the converter valve cooling back installation of the application, the entrance point and the port of export of the heat exchanger are respectively arranged with temperature
Degree detection means, is detected with the temperature to phase transformation microemulsion, so as to adjust the flow of circulating pump, is realized to phase transformation microemulsion
The accurate regulation and control of temperature, so as to preferably cool down to converter valve.
3rd, the converter valve cooling back installation of the application, the phase transformation microemulsion of employing includes phase-change material, non-ionic surface
Activating agent and water, in terms of the gross mass of the phase transformation microemulsion, nonionic surfactant is 0-5%, and phase-change material is 0.05-
50%, the phase-change material is the mixture of one or more paraffin formation.Device using the application is being carried out to converter valve
During cooling, the heat that converter valve discharges is stored in the way of latent heat.Its storage density is very big, in the case of volume identical,
Can obtain than using deionized water more preferably cooling effect.Olefin material in the phase transformation microemulsion is nontoxic, to environment without
Evil.Its resistivity is 1015-1019Ω cm, more than pure resistivity of water in converter valve radiator (5 × 10 are required6Ω cm), therefore
It is not result in that coolant resistivity declines.Using phase transformation microemulsion, its phase-change material need to simultaneously meet following condition,Δ T=T2-T1,
Wherein, Cp is the specific heat of the phase-change material, and kJ/kg/K, H are the enthalpy of phase change kJ/kg of the phase-change material, and T2 is
Coolant be water when, exchange heat work after the completion of coolant exit maximum temperature DEG C, T1 be coolant be water when, coolant
In the temperature DEG C of entrance, χ accounts for the mass fraction of the phase transformation microemulsion for phase-change material.Meet the phase-change material of above-mentioned condition
The phase transformation microemulsion of formation, meets radiating requirements when heater element high load capacity works, while select species many, optional scope
Extensively.
Description of the drawings
Fig. 1 is a kind of structural representation of the cooling back installation of converter valve of the application.
Wherein reference is expressed as,
1- radiators, 2- heat exchangers, 3- circulating pumps.
Specific embodiment
As shown in figure 1, a kind of cooling back installation of converter valve of the application, including pipeline is sequentially passed through connection is realized
Radiator 1, heat exchanger 2 and circulating pump 3, wherein the outlet of the circulating pump 3 passes through pipeline phase with the entrance of the radiator 2
Connection, to form closed-loop path, is provided with the phase transformation microemulsion of the application in the closed-loop path, flow out the institute of the radiator
State phase transformation microemulsion to flow through after the heat exchanger, in the presence of the circulating pump, in being back to the radiator.Wherein,
The radiator includes hot channel, and the heat exchanger includes heat exchange pipeline, the hot channel and the heat exchange pipeline phase
Connection.Direct current equalizing resistance in the converter valve contacts with the radiator, to realize the radiator to the change of current
The cooling of valve.
On the basis of above-mentioned embodiment, the heat exchanger is evaporative cooling tower, in other embodiments also
Can be fin radiator, as long as heat exchange can be realized.
On the basis of above-mentioned embodiment, the entrance point and the port of export of the heat exchanger are respectively arranged with temperature detection
Device.
On the basis of above-mentioned embodiment, the pipeline is copper pipe road, and aluminum pipe is can also be in other embodiments
Road, rustless steel pipeline, steel alloy pipeline, PVDF pipelines, CPVC pipelines, PP pipelines or PE pipelines.
On the basis of above-mentioned embodiment, the radiator is copper radiator, be can also be in other embodiments
Aluminium radiator, stainless radiator steel or steel alloy radiator.
The workflow of the application chiller is, with radiator phase in cooled phase transformation microemulsion inflow radiator pair
The direct current equalizing resistance in converter valve of contact is exchanged heat, and the cooling to converter valve is realized, while carrying heat
In high-temperature phase-change microemulsion inflow heat exchanger, and heat is distributed the cooling that microemulsion is realized into air, be to improve heat to hand over
The heat transfer effect of parallel operation can be lowered the temperature by the way of blower fan or jet flow to the microemulsion in heat exchanger, heat exchanger turnover
Mouth end arranges temperature-detecting device and the microemulsion liquid temp for passing in and out the heat exchanger is detected, with the flow velocity of circulating pump, adjusts
The temperature and circulation rate of section coolant.Phase transformation microemulsion Jing after heat exchanger cooling is pumped into scattered in the presence of cycle pump
Cooling again is carried out to converter valve in hot device.
Obviously, above-described embodiment is only intended to clearly illustrate example, and not to the restriction of embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need to be exhaustive to all of embodiment.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (7)
1. a kind of cooling back installation of converter valve, it is characterised in that including the radiator, the heat that sequentially pass through pipeline and realize connection
Exchanger and circulating pump, wherein the outlet of the circulating pump is connected with the entrance of the radiator by pipeline, are closed with being formed
Close loop, be provided with phase transformation microemulsion in the closed-loop path, flow out the radiator the phase transformation microemulsion flow through it is described
After heat exchanger, in the presence of the circulating pump, in being back to the radiator.
2. cooling back installation according to claim 1, it is characterised in that the radiator includes hot channel, described
Heat exchanger includes heat exchange pipeline, and the hot channel is connected with the heat exchange pipeline.
3. cooling back installation according to claim 1 and 2, it is characterised in that the equal piezoelectricity of direct current in the converter valve
Resistance contacts with the radiator, to realize cooling of the radiator to the converter valve.
4. cooling back installation according to claim 3, it is characterised in that the heat exchanger be evaporative cooling tower or
Fin radiator.
5. cooling back installation according to claim 4, it is characterised in that the entrance point and the port of export of the heat exchanger
It is respectively arranged with temperature-detecting device.
6. the cooling back installation according to claim 1,2,4 or 5, it is characterised in that the pipeline is copper pipe road, aluminum pipe
Road, rustless steel pipeline, steel alloy pipeline, PVDF pipelines, CPVC pipelines, PP pipelines or PE pipelines.
7. cooling back installation according to claim 6, it is characterised in that the radiator is that copper radiator, aluminum radiate
Device, stainless steel heat radiator or steel alloy radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621064780.7U CN206118269U (en) | 2016-09-19 | 2016-09-19 | Cooling back installation of change of current valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621064780.7U CN206118269U (en) | 2016-09-19 | 2016-09-19 | Cooling back installation of change of current valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206118269U true CN206118269U (en) | 2017-04-19 |
Family
ID=58520093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621064780.7U Active CN206118269U (en) | 2016-09-19 | 2016-09-19 | Cooling back installation of change of current valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN206118269U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109028648A (en) * | 2018-08-27 | 2018-12-18 | 全球能源互联网欧洲研究院 | Cooling back installation and its application method |
| CN109862752A (en) * | 2019-02-22 | 2019-06-07 | 全球能源互联网欧洲研究院 | Cooling system |
| CN111141061A (en) * | 2018-11-02 | 2020-05-12 | 全球能源互联网研究院有限公司 | Refrigerating device for heat recovery of direct-current converter valve and refrigerating method thereof |
-
2016
- 2016-09-19 CN CN201621064780.7U patent/CN206118269U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109028648A (en) * | 2018-08-27 | 2018-12-18 | 全球能源互联网欧洲研究院 | Cooling back installation and its application method |
| CN111141061A (en) * | 2018-11-02 | 2020-05-12 | 全球能源互联网研究院有限公司 | Refrigerating device for heat recovery of direct-current converter valve and refrigerating method thereof |
| CN109862752A (en) * | 2019-02-22 | 2019-06-07 | 全球能源互联网欧洲研究院 | Cooling system |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 18 Riverside Avenue of future science and Technology City, Changping District, Beijing Co-patentee after: European Institute for global energy Internet Patentee after: Global energy Internet Institute, Inc. Address before: 102211 Beijing city Changping District future science and Technology City Binhe Road No. 18 Co-patentee before: European Institute for global energy Internet Patentee before: GLOBAL ENERGY INTERCONNECTION RESEARCH INSTITUTE |
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| CP03 | Change of name, title or address |