CN205847818U - The working medium cooling system by contact of high power device - Google Patents
The working medium cooling system by contact of high power device Download PDFInfo
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- CN205847818U CN205847818U CN201620601141.3U CN201620601141U CN205847818U CN 205847818 U CN205847818 U CN 205847818U CN 201620601141 U CN201620601141 U CN 201620601141U CN 205847818 U CN205847818 U CN 205847818U
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- working medium
- power device
- spray
- high power
- heat
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Abstract
The utility model discloses the working medium cooling system by contact of a kind of high power device, seal case is ectonexine structure, and the cavity between ectonexine fills hot superconduction working medium, and the outer layer outer wall of seal case is provided with radiating fin；Seal case built-in iknsulating liquid heat-conducting work medium, working medium pump is sunken in iknsulating liquid heat-conducting work medium, and filter is arranged on the entrance of working medium pump, working medium pump connects spray house steward, multiple spray arms are connected in parallel spray house steward, and each spray arm is provided with multiple nozzle, and nozzle faces toward high power device；Nozzle, facing to the front and back spray of high power device, forms the spray structure of opposing open formula；Iknsulating liquid heat-conducting work medium is apolar substance, and during spray, iknsulating liquid heat-conducting work medium is without phase transformation.This utility model radiator structure is reasonable, and radiating efficiency is high.
Description
Technical field
This utility model relates to the cooling technology field of high power device, and the working medium being specifically related to a kind of high power device connects
Touch cooling system.
Background technology
Along with new forms of energy strategy implementation, electric automobile is popularized the most on a large scale, and lithium-ion-power cell is because of the merit of its excellence
The advantages such as rate output characteristics and long-life obtain applications well.But Large Copacity, high power lithium ion cell performance are to variations in temperature
More sensitive.Limited space, number of battery cells is relatively big, is close-packed arrays and connects.When vehicle runs under different travel conditions, electricity
Can discharge with different multiplying in pond, produce amount of heat with different heat speed, add that accumulated time and spacial influence can produce
Uneven heat is assembled, thus causes set of cells operating ambient temperature complicated and changeable.If long time integration, part electricity can be caused
Pond overcharge and overdischarge, and then affect life-span and the performance of battery, and cause potential safety hazard.
And along with miniaturization, the microminaturization of electronic devices and components, the highly integrated and micro-group dress of integrated circuit, unit's device
Part, the heat flow density of assembly improve constantly, and thermal design is faced with stern challenge.Radar transmitter, high-power electronic device, core
All there is device heat dissipation problem in the technical fields such as sheet, data center module equipment, large power supply, IGBT, transformator.
The high power devices such as electron power module, battery supply and electronic chip operationally can produce heat, these
The heat device that must be cooled is taken away, to prevent temperature from exceeding the limit of its trouble free service.Current high-power heat-dissipation structure,
There is following technological deficiency:
1, need insulation protection due to electronic device, the cooling medium that current chiller is used with need radiating element
Being mediate contact, heat transmission needs by heat-conducting silicone grease, conduction oil, metal heat sink (being used for receiving heat) etc. as middle
Medium, and most use air blast cooling to dispel the heat.This traditional heat radiation cooling device, because adding above-mentioned centre
Medium, thermal resistance increases and heat transfer efficiency is reduced, as do not shed by heat in time, then is easier to cause high power heat heap
Long-pending, make electronic device junction temperature raise and cause damage.
2, using Forced Air Convection cooling, the heat conductivility of air is far below liquid thermal conductivity performance, and need to install fan additional
The forced convertion of surrounding air is realized etc. wasted work equipment.It is right that this technology is realized indirectly by cooling electronic device place environment space
The cooling of heating body, heat transfer boundary condition and heat exchange efficiency are limited；The forced convertion equipment autophage part such as fan electricity simultaneously
Power, raises with heat radiation power, and wasted work increases；
3, circulating due to Forced Air Convection, electronic device is placed environment and is required the highest to air purity.
Utility model content
In order to solve above-mentioned technical problem, this utility model provides the working medium contact cooling of a kind of high power device
System, radiator structure is reasonable, and radiating efficiency is high.
The scheme that this utility model solves above-mentioned technical problem is as follows:
The working medium cooling system by contact of high power device, including high power device, iknsulating liquid heat-conducting work medium, nozzle,
Spray arm, spray house steward, working medium pump, filter and seal case,
Described seal case is ectonexine structure, and the cavity between ectonexine fills hot superconduction working medium, outside seal case
Layer outer wall is provided with radiating fin；
Described seal case built-in iknsulating liquid heat-conducting work medium, working medium pump is sunken in iknsulating liquid heat-conducting work medium, filter
Being arranged on the entrance of working medium pump, working medium pump connects spray house steward, and multiple spray arms are connected in parallel spray house steward, and each spray props up
Pipe is provided with multiple nozzle, and nozzle faces toward high power device；
Described nozzle, facing to the front and back spray of high power device, forms the spray structure of opposing open formula；
Described iknsulating liquid heat-conducting work medium is apolar substance, and during spray, iknsulating liquid heat-conducting work medium is without phase transformation.
Described spray arm and high power device is parallel longitudinal is intervally arranged.
Described iknsulating liquid heat-conducting work medium is transformer oil, conduction oil or mineral oil.
Described hot superconduction working medium is freon, ammonia, ethanol, acetone, water or dowtherm.
Described high power device is electric automobile capacity cell, electronic chip, radar transmitter, data center module equipment, big
Power power-supply, IGBT, IGCT, IEGT, cpu package, GPU assembly, blade server module or transformator.
The method of work of the working medium cooling system by contact of above-mentioned high power device, described working medium pump starts, dielectric
Body heat-conducting work medium enters working medium pump by filter, and working medium pump is transported to spray house steward iknsulating liquid heat-conducting work medium, and spray is total
Pipe is assigned to each spray arm iknsulating liquid heat-conducting work medium, and the iknsulating liquid heat-conducting work medium of nozzle ejection directly sprays greatly
The front of power device and the back side, the heat of high power device taken away by iknsulating liquid heat-conducting work medium, iknsulating liquid heat conduction work
Matter is back to seal case under gravity；
Described iknsulating liquid heat-conducting work medium and hot superconduction working medium carry out heat exchange, and hot superconduction working medium and radiating fin carry out heat
Exchange, so circulates, and the heat of high power device is constantly taken away by iknsulating liquid heat-conducting work medium.
This utility model has the advantage that relative to prior art
1, nozzle is facing to the front and back spray of high power device, forms the spray structure of opposing open formula, dielectric
Body heat-conducting work medium directly contacts conduction heat with the high power device heating surface needing heat radiation, reduces thermal contact resistance, does not appoint
What intermediate medium and heat transfer conversion links, improve heat conduction efficiency.
2, spray arm and high power device is parallel longitudinal is intervally arranged, spray area is big, and heat exchange efficiency is high.
3, iknsulating liquid heat-conducting work medium is apolar substance, and during spray, iknsulating liquid heat-conducting work medium is without phase transformation, spray
Iknsulating liquid heat-conducting work medium high power device surface formed atomization liquid film, atomization liquid film conduction of heat have low discharge, greatly temperature
Excellent heat and the overall characteristics of flowing such as difference, high heat transfer coefficient, high heat flux.
4, under equal ambient temperature, the direct contact type cooling heat radiation temperature difference is controlled, with non-direct contact type heat transfer side
Formula is compared, and can reduce high power device surface temperature further, be favorably improved high power device working life and reliability.
5, fountain heat radiation, iknsulating liquid heat-conducting work medium and high power device heating face effective contact area (heat exchange are used
Area) can increase, thus theoretical heat conduction efficiency can improve (heat exchange amount is proportional with area), iknsulating liquid heat-conducting work medium
Effective rate of utilization is higher.
6, second heat conduction cycle uses heat superconducting tech, and heat conduction velocity is fast, and heat flow density is big, and heat transfer uniform temperature is good,
Fast and effectively the cooling of iknsulating liquid heat-conducting work medium and work process can be relied on self heat effect, it is not necessary to extra wasted work.
7, spray during iknsulating liquid heat-conducting work medium without phase transformation, therefore system circulation need not gas-phase working medium reclaim set
Standby, only common filter need to be set for filtering the impurity that working medium produces in opposing open formula cyclic process, system self-adaption
Property and reliability are higher.
8, iknsulating liquid heat-conducting work medium is apolar substance, electronics, electric equipment and loop will not be produced impact, to firmly
Part will not have damage.
9, spray pipeline simple in construction, power consumption are little；Jet element manufacturing technology is ripe, reliability is high, diabatic process
Its reliability the simplest with structure and controllability are the highest.
10, iknsulating liquid heat-conducting work medium is as liquid heat exchange mode, and its heat-conductive characteristic is generally better than using air to force
Convection current, and need new wind unit and the architecture design of some complexity relative to tradition forced convertion air cooling system, liquid is cold
But the design requirement of Technical Architecture itself is fewer, directly contact spray structure can be simpler, thus cost-effective and
Extend device service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of the working medium cooling system by contact of the high power device of embodiment 1.
Detailed description of the invention
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
The working medium cooling system by contact of high power device as shown in Figure 1, leads including high power device 1, iknsulating liquid
Hot working fluid 2, nozzle 3, spray arm 4, spray house steward 5, working medium pump 6, filter 7 and seal case 8,
Seal case 8 is ectonexine structure, and the cavity between ectonexine fills hot superconduction working medium 9, the outer layer of seal case 8
Outer wall is provided with radiating fin 10；
Seal case 8 built-in iknsulating liquid heat-conducting work medium 2, working medium pump 6 is sunken in iknsulating liquid heat-conducting work medium 2, filter 7
Being arranged on the entrance of working medium pump 6, working medium pump 6 connects spray house steward 5, and multiple spray arms 4 are connected in parallel spray house steward 5, each
Spray arm 4 is provided with multiple nozzle 3, and nozzle 3 is facing to high power device 1；
Spray arm 4 and high power device 1 is parallel longitudinal is intervally arranged, nozzle 3 is facing to the front of high power device 1 and the back of the body
Face sprays, and forms the spray structure of opposing open formula；
Iknsulating liquid heat-conducting work medium 2 is apolar substance, and during spray, iknsulating liquid heat-conducting work medium 2 is without phase transformation.
Iknsulating liquid heat-conducting work medium 2 is transformer oil.Hot superconduction working medium 9 is freon.High power device 1 is IGBT.
Filter 7 ensures iknsulating liquid heat-conducting work medium 2 degree of purity, prevents impurity to the damage of working medium pump 6 and to nozzle 3
Blocking, improve adaptivity and reliability.
Iknsulating liquid heat-conducting work medium 2 must use the heat-conducting liquid working medium of good insulating, the transformer oil of such as Multiple Type,
Conduction oils etc., it is ensured that working medium insulating properties, it is to avoid contact conduction with high power device 1, cause device damage and system to scrap.Insulation
Liquid thermal conductivity working medium 2 generally has higher heat conductivity, and directly can contact scattered with the high power device 1 of heating by spray
Heat such that it is able to high power device 1 is dispelled the heat by efficient realization.
Nozzle 3 need to select the excellent and satisfactory material of engineering strength of insulation.
Installation radiating fin 10 is set outside seal case 8.The free convection only relying on surrounding air makes hot superconduction working medium 9
Cooled by radiating fin 10 and environment.This type of cooling outstanding advantages is: cooling segment does not use any wasted work electrical equipment
Or mechanical part；As long as environmental condition meets the basic heat radiation temperature difference and Natural Convection Conditions, can use.In seal case 8
Iknsulating liquid heat-conducting work medium 2 constantly cools down, to ensure effective heat exchange of iknsulating liquid heat-conducting work medium 2 and high power device 1
The temperature difference, effectively to cool down high power device 1.
The method of work of the working medium cooling system by contact of above-mentioned high power device, described working medium pump 6 starts, dielectric
Body heat-conducting work medium 2 enters working medium pump 6 by filter 7, and 6 iknsulating liquid heat-conducting work mediums 2 of working medium pump are transported to spray house steward 5,
Spray 5 iknsulating liquid heat-conducting work mediums 2 of house steward are assigned to each spray arm 4, the iknsulating liquid heat-conducting work medium 2 of nozzle 3 ejection
Directly spray arrives front and the back side of high power device 1, and the heat of high power device 1 is taken away by iknsulating liquid heat-conducting work medium 2,
Iknsulating liquid heat-conducting work medium 2 is back to seal case 8 under gravity；
Iknsulating liquid heat-conducting work medium 2 and hot superconduction working medium 9 carry out heat exchange, and hot superconduction working medium 9 is carried out with radiating fin 10
Heat exchange, so circulates, and the heat of high power device 1 is constantly taken away by iknsulating liquid heat-conducting work medium 2.
Multiple mineral-type, organic heat exchange can be used for hot superconduction working medium 9 cold according to heat transfer type (phase transformation/non-phase transformation)
But working medium, working medium filling weight is adjusted according to conduction of heat mode of operation (phase-change type/non-phase-change type), has filled rear holding chamber
Interior vacuum state.
If hot superconduction circulation uses rapid vaporization after phase transformation endless form, i.e. working medium heat absorption, it is continuous that steam carries out thermal diffusion
Flowing to upper end, above cavity, (condensation end) is condensed into liquid and discharges heat, and heat is by the radiating fin outside seal case 8
Sheet 10 is scattered in environment, and condensed liquid flows back to (evaporation ends) below cavity along cavity inner wall again and continues cycling through；
If may be used without non-phase transformation endless form, i.e. hot working fluid conductive process do not occur any according to actual heat exchange power
Phase transformation, its heat transfer power resources in hot superconduction working medium 9 absorb heat after, its interior molecules power effect.Finally, by hot superconduction working medium
The second heat conduction of 9 realizes efficient temperature uniforming heat radiation, cools down the iknsulating liquid heat-conducting work medium 2 in seal case 8.
Above-mentioned for this utility model preferably embodiment, but embodiment of the present utility model is not by foregoing
Limit, other any without departing from the change made under spirit of the present utility model and principle, modify, substitute, combine, letter
Change, all should be the substitute mode of equivalence, within being included in protection domain of the present utility model.
Claims (5)
1. the working medium cooling system by contact of high power device, it is characterised in that: include high power device, iknsulating liquid heat conduction work
Matter, nozzle, spray arm, spray house steward, working medium pump, filter and seal case,
Described seal case is ectonexine structure, and the cavity between ectonexine fills hot superconduction working medium, outside the outer layer of seal case
Wall is provided with radiating fin；
Described seal case built-in iknsulating liquid heat-conducting work medium, working medium pump is sunken in iknsulating liquid heat-conducting work medium, and filter is installed
At the entrance of working medium pump, working medium pump connects spray house steward, and multiple spray arms are connected in parallel spray house steward, and each spray arm sets
Having multiple nozzle, nozzle faces toward high power device；
Described nozzle, facing to the front and back spray of high power device, forms the spray structure of opposing open formula；
Described iknsulating liquid heat-conducting work medium is apolar substance, and during spray, iknsulating liquid heat-conducting work medium is without phase transformation.
The working medium cooling system by contact of high power device the most according to claim 1, it is characterised in that: described spray props up
Pipe is intervally arranged with high power device is parallel longitudinal.
The working medium cooling system by contact of high power device the most according to claim 1, it is characterised in that: described dielectric
Body heat-conducting work medium is transformer oil, conduction oil or mineral oil.
The working medium cooling system by contact of high power device the most according to claim 1, it is characterised in that: described hot superconduction
Working medium is freon, ammonia, ethanol, acetone, water or dowtherm.
The working medium cooling system by contact of high power device the most according to claim 1, it is characterised in that: described high-power
Device be electric automobile capacity cell, electronic chip, radar transmitter, data center module equipment, large power supply, IGBT, IGCT,
IEGT, cpu package, GPU assembly, blade server module or transformator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620601141.3U CN205847818U (en) | 2016-06-16 | 2016-06-16 | The working medium cooling system by contact of high power device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620601141.3U CN205847818U (en) | 2016-06-16 | 2016-06-16 | The working medium cooling system by contact of high power device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205847818U true CN205847818U (en) | 2016-12-28 |
Family
ID=58153246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620601141.3U Withdrawn - After Issue CN205847818U (en) | 2016-06-16 | 2016-06-16 | The working medium cooling system by contact of high power device |
Country Status (1)
| Country | Link |
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| CN (1) | CN205847818U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017215168A1 (en) * | 2016-06-16 | 2017-12-21 | 广东合一新材料研究院有限公司 | Cooling system of working medium contact type for high-power device, and working method thereof |
| CN107509362A (en) * | 2017-08-11 | 2017-12-22 | 江苏南通申通机械有限公司 | A kind of Phase cooling type electronic cabinet |
-
2016
- 2016-06-16 CN CN201620601141.3U patent/CN205847818U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017215168A1 (en) * | 2016-06-16 | 2017-12-21 | 广东合一新材料研究院有限公司 | Cooling system of working medium contact type for high-power device, and working method thereof |
| US10424532B2 (en) | 2016-06-16 | 2019-09-24 | Guangdong Hi-1 New Materials Technology Research Institute Co Ltd | Coolant contact type cooling system for high-power device and operation method thereof |
| CN107509362A (en) * | 2017-08-11 | 2017-12-22 | 江苏南通申通机械有限公司 | A kind of Phase cooling type electronic cabinet |
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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: 20161228 Effective date of abandoning: 20180522 |