CN109028647A - A kind of production method of high-efficient semiconductor refrigerating heat-producing machine external heat exchanger - Google Patents
A kind of production method of high-efficient semiconductor refrigerating heat-producing machine external heat exchanger Download PDFInfo
- Publication number
- CN109028647A CN109028647A CN201710477674.4A CN201710477674A CN109028647A CN 109028647 A CN109028647 A CN 109028647A CN 201710477674 A CN201710477674 A CN 201710477674A CN 109028647 A CN109028647 A CN 109028647A
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- China
- Prior art keywords
- hole
- long
- heat exchanger
- external heat
- blank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
- F25B2321/003—Details of machines, plants or systems, using electric or magnetic effects by using thermionic electron cooling effects
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
- F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
- F25B2321/025—Removal of heat
- F25B2321/0252—Removal of heat by liquids or two-phase fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/09—Improving heat transfers
Abstract
A kind of production method of high-efficient semiconductor refrigerating heat-producing machine external heat exchanger, the good metal material of heating conduction is selected to be fabricated to suitable blank, the blank has three groups of parallel long through-holes, every group of long through-hole is combined by a plurality of narrow prolate through-hole and is constituted, it is characterized in that: drilling in blank upper left and bottom right both ends vertical direction, it is respectively communicated with the intermediate long through-hole of three parallel long through-holes of blank with two other long through-hole, carry out electrochemical treatments, each narrow prolate through-hole wall surface metal of item in long through-hole is set to enhance anti-oxidant and resistance to corrosion, unused leak is blocked with antirust plug, obtain the high-efficient semiconductor refrigerating heat-producing machine external heat exchanger manufactured goods needed.The present invention has simple for production, the high feature of the heat exchange efficiency of liquid coolant and metal material in semiconductor refrigerating heat-producing machine external heat exchanger.
Description
Technical field: the present invention relates to a kind of semiconductor refrigerating heat-producing machine external heat exchangers, especially a kind of to be used for big function
A kind of production method of efficient semiconductor refrigerating heat-producing machine external heat exchanger of rate semiconductor refrigerating heating.
Background technique: current borne semiconductor refrigerator class product, core component semiconductor refrigerating heat-producing machine is all monolithic
Single-stage refrigeration heat mode, externally there are also heat pipe heat radiation types except fin fan heat exchange type for heat exchange, since external heat exchange amount is smaller
And heat transfer temperature difference is big, it is difficult to heat for high-power, the big temperature difference, High cooling power semiconductor refrigerating, even send out before the present inventor
Bright semiconductor refrigerating heat-producing machine external heat exchanger is concatenated connection by three parallel circle long through-holes and constitutes the curved liquid of S type
Refrigerant flow passage, although externally heat exchange amount and heat transfer temperature difference have great progress and improvement, effect is still unsatisfactory.
Goal of the invention: the purpose of the present invention is overcoming prior art, a kind of easy to operate, efficient height is proposed
The semiconductor refrigerating heat-producing machine external heat exchanger of the production method for imitating semiconductor refrigerating heat-producing machine external heat exchanger, this method production is same
When have the advantages that external heat exchange amount is big and heat transfer temperature difference very little, be highly suitable for high-power, the big temperature difference, High cooling power semiconductor system
The needs of cold heating.
Main technical schemes of the invention: by the metal blank of semiconductor refrigerating heat-producing machine external heat exchanger well prepared in advance
The high efficiency semiconductor of needs is obtained by extrusion moulding, selective drilling and tapping, electrochemical treatments and selective shut-off leak hole
Refrigerating and heating device external heat exchanger manufactured goods.
Specific production method of the invention the following steps are included:
1) prepares the metal blank of external heat exchanger: using squeeze technology for forming side with the good metal material of heating conduction
Formula is fabricated to suitable blank, which has three groups of parallel long through-holes, and every group of long through-hole is by a plurality of narrow prolate sets of vias
It closes and constitutes；
2) makes the semi-finished product of external heat exchanger: carrying out respectively properly in the left and right ends of the parallel long through-hole of blank each group
The drilling and tapping of depth, aperture size cover the narrow prolate through-hole of each item of every group of long through-hole of composition just, in blank upper left and
Bottom right both ends vertical direction drilling and tapping makes the middle groups long through-hole and other two groups of long through-holes of three groups of parallel long through-holes of blank
It is respectively communicated with；
3) electrochemical treatments: electrochemical treatments are carried out to the semi-finished product of external heat exchanger, keep each item in every group of long through-hole narrow
Prolate through-hole wall surface metal enhances anti-oxidant and resistance to corrosion；
4) blocks leak: blocking unused leak with antirust plug, obtains the high-efficient semiconductor refrigerating heat-producing machine of needs
External heat exchanger manufactured goods.
Detailed description of the invention:
Fig. 1 is semiconductor refrigerating heat-producing machine external heat exchanger structure forward direction diagrammatic cross-section in the embodiment of the present invention；
Fig. 2 is the left schematic cross-sectional view of semiconductor refrigerating heat-producing machine external heat exchanger structure in the embodiment of the present invention；
Fig. 3 is semiconductor refrigerating heat-producing machine external heat exchanger metal blank structural profile illustration in the embodiment of the present invention；
Fig. 4 is semiconductor refrigerating heat-producing machine external heat exchanger semi-finished product structure diagrammatic cross-section in the embodiment of the present invention；
In figure: 1. long through-holes；2. antirust plug.
The present invention will be further described with reference to the accompanying drawing: by Fig. 2 and Fig. 3 it is found that with the good metal of heating conduction
Material is fabricated to suitable blank using squeeze technology for forming mode, which has three groups of parallel long through-holes 1, and every group leader is logical
Hole 1 is combined by a plurality of narrow prolate through-hole and is constituted, and as shown in Figure 4, distinguishes in the left and right ends of the parallel long through-hole 1 of blank each group
The drilling of appropriate depth is carried out, aperture size covers the narrow prolate through-hole of each item of every group of long through-hole 1 of composition just, on a blank left side
The drilling of upper and bottom right both ends vertical direction makes the intermediate long through-hole 1 and two other long through-hole of three groups of blank parallel long through-holes 1
1 is respectively communicated with, and the semi-finished product of external heat exchanger are made；As shown in Figure 1, electrochemical treatments are carried out to the semi-finished product of external heat exchanger, made
Each narrow prolate through-hole wall surface metal of item enhances anti-oxidant and resistance to corrosion in long through-hole 1, is blocked with antirust plug 2
Unused leak, high-efficient semiconductor refrigerating heat-producing machine external heat exchanger manufactured goods required for just obtaining.
As shown in Figure 2, in the present invention, correspond to aperture size cover just form every group of long through-hole 1 in each item it is narrow
The round long through-hole of one of prolate through-hole both justifies long through-hole, each narrow prolate through-hole of item in every group of long through-hole 1 shown in dotted line in Fig. 2
The sum of the perimeter of cross section can be several times as much as the perimeter of this circle long through-hole cross section, each item is narrow flat in every group of long through-hole 1
The sum of area of cross section of long through-hole can be only equivalent to the part of this circle long through-hole cross-sectional area, if by
Appropriate design, this circle long through-hole of 3 times of the sum of perimeter of cross section of each narrow prolate through-hole of item are horizontal in every group of long through-hole 1
The perimeter in section, it is long logical to be only equivalent to this circle for the sum of the area of cross section of each narrow prolate through-hole of item in every group of long through-hole 1
The half of hole cross-sectional area, if the flow of unit time liquid coolant remains unchanged, with an only simple circle
Long through-hole compares, and combines the every group of long through-hole 1 constituted, the heat exchange of liquid coolant and metal material by a plurality of narrow prolate through-hole
Area is 3 times of this circle long through-hole, and flow velocity of the liquid coolant in narrow prolate through-hole is that liquid coolant is long logical in this circle
2 times of flow velocity in hole, since flow rate of liquid doubles, the then coefficient of heat transfer is corresponding to increase by 0.7 times, as a result, every group leader
Liquid coolant in through-hole 1 in each narrow prolate through-hole of item is this corresponding circle long through-hole with the heat exchange efficiency of metal material
The foundation of 5 times of the heat exchange efficiency of middle liquid coolant and metal material, this conclusion is (1+0.7) × 3 >=5, here 1+0.7 table
Show that flow rate of liquid doubles, and the coefficient of heat transfer is corresponding to be increased when the heat exchange area of liquid coolant and metal material is constant
0.7 times, × 3 are because the heat exchange area of liquid coolant and metal material is 3 times of this circle long through-hole, it is clear that as long as changing
Becoming design can make narrow prolate through-hole narrower and improve flow velocity of the liquid coolant in narrow prolate through-hole, or make
Narrow prolate through-hole increases the quantity of narrow prolate through-hole to increase changing for liquid coolant and metal material while narrower
Heat area further increases the coefficient of heat transfer of liquid coolant and metal material, improves heat exchange efficiency, so the present invention is applicable in very much
In the needs that high-power, the big temperature difference, High cooling power semiconductor refrigerating heat.
The narrow prolate through-hole of each item in obvious every group of long through-hole 1 can be the narrow prolate through-hole of circular shape；
The narrow prolate through-hole of each item in obvious every group of long through-hole 1 is also possible to the narrow prolate through-hole of other shapes；
The narrow prolate through-hole of each item in obvious every group of long through-hole 1 can also be changed to multichannel small-bore long through-hole.
Claims (2)
1. a kind of production method of high-efficient semiconductor refrigerating heat-producing machine external heat exchanger, it is characterised in that preparation process includes following step
It is rapid:
1) prepares the metal blank of external heat exchanger: using squeeze technology for forming mode system with the good metal material of heating conduction
It is made suitable blank, which has three groups of parallel long through-holes (1), and every group of long through-hole (1) is by a plurality of narrow prolate through-hole
Combination is constituted；
2) makes the semi-finished product of external heat exchanger: carrying out respectively in the left and right ends of the parallel long through-hole of blank each group (1) suitable deep
The drilling and tapping of degree, aperture size covering every group of narrow prolate through-hole of each item of long through-hole (1) of composition, in blank upper left and bottom right two
Vertical direction drilling and tapping is held, the middle groups long through-hole (1) and other two groups of long through-holes of three groups of parallel long through-holes (1) of blank are made
(1) it is respectively communicated with；
3) electrochemical treatments: electrochemical treatments are carried out to the semi-finished product of external heat exchanger, make each narrow prolate of item in long through-hole (1)
Through-hole wall surface metal enhances anti-oxidant and resistance to corrosion；
4) blocks leak: blocking unused leak with antirust plug (2), obtains the high-efficient semiconductor refrigerating heat-producing machine of needs
External heat exchanger manufactured goods.
2. a kind of production method of high-efficient semiconductor refrigerating heat-producing machine external heat exchanger as described in claim 1, it is characterized in that: long logical
Each narrow prolate through-hole of item can also be changed to multichannel small-bore long through-hole in hole (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710477674.4A CN109028647A (en) | 2017-06-12 | 2017-06-12 | A kind of production method of high-efficient semiconductor refrigerating heat-producing machine external heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710477674.4A CN109028647A (en) | 2017-06-12 | 2017-06-12 | A kind of production method of high-efficient semiconductor refrigerating heat-producing machine external heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109028647A true CN109028647A (en) | 2018-12-18 |
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ID=64630207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710477674.4A Pending CN109028647A (en) | 2017-06-12 | 2017-06-12 | A kind of production method of high-efficient semiconductor refrigerating heat-producing machine external heat exchanger |
Country Status (1)
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|---|---|
| CN (1) | CN109028647A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2738905A1 (en) * | 1995-09-20 | 1997-03-21 | Valeo Climatisation | HEAT EXCHANGER TUBE WITH CONTOUR-CURRENT CIRCULATION CHANNELS |
| CN102840784A (en) * | 2011-06-24 | 2012-12-26 | 乐金电子(天津)电器有限公司 | Radiating circular tube and heat exchanger |
| CN103185467A (en) * | 2011-12-31 | 2013-07-03 | 刘万辉 | Manufacturing method for external heat exchanger of semiconductor refrigerating and heating device |
| CN206056339U (en) * | 2016-09-09 | 2017-03-29 | 刘万辉 | A kind of high-efficient semiconductor refrigerating heat-producing machine external heat exchanger |
| CN206094653U (en) * | 2016-09-25 | 2017-04-12 | 刘万辉 | Simple high -efficient semiconductor refrigeration heats ware outer heat exchanger |
-
2017
- 2017-06-12 CN CN201710477674.4A patent/CN109028647A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2738905A1 (en) * | 1995-09-20 | 1997-03-21 | Valeo Climatisation | HEAT EXCHANGER TUBE WITH CONTOUR-CURRENT CIRCULATION CHANNELS |
| CN102840784A (en) * | 2011-06-24 | 2012-12-26 | 乐金电子(天津)电器有限公司 | Radiating circular tube and heat exchanger |
| CN103185467A (en) * | 2011-12-31 | 2013-07-03 | 刘万辉 | Manufacturing method for external heat exchanger of semiconductor refrigerating and heating device |
| CN206056339U (en) * | 2016-09-09 | 2017-03-29 | 刘万辉 | A kind of high-efficient semiconductor refrigerating heat-producing machine external heat exchanger |
| CN206094653U (en) * | 2016-09-25 | 2017-04-12 | 刘万辉 | Simple high -efficient semiconductor refrigeration heats ware outer heat exchanger |
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Application publication date: 20181218 |
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| WD01 | Invention patent application deemed withdrawn after publication |