CN105466244B - A kind of flat tube heat exchanger - Google Patents
A kind of flat tube heat exchanger Download PDFInfo
- Publication number
- CN105466244B CN105466244B CN201510980344.8A CN201510980344A CN105466244B CN 105466244 B CN105466244 B CN 105466244B CN 201510980344 A CN201510980344 A CN 201510980344A CN 105466244 B CN105466244 B CN 105466244B
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- Prior art keywords
- heat exchanger
- tube
- tube wall
- sloping portion
- isosceles triangle
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element
Abstract
The invention provides a kind of flat tube heat exchanger, the heat exchanger includes two headers and the heat exchanger tube being arranged between two headers；The heat exchanger tube is flat tube, and the fin is arranged in flat tube, and the fin includes sloping portion, along tube wall sidewall direction from middle part to both sides, the included angle A that described adjacent sloping portion is formed is less and less.The change of the included angle A that the present invention is formed by sloping portion, so that the circulation area of the passage at middle part is big, the channel cross-sectional flow area of both sides diminishes, so as to slow down the flowing pressure at middle part, accordingly increase the flowing pressure of both sides so that heat exchanger tube internal pressure is evenly distributed.
Description
Technical field
The present invention relates to heat exchanger, more particularly, to a kind of flat tube heat exchanger.
Background technology
Flat tube was widely used in automotive air conditioning units and house or commercial air-conditioner heat exchanger in recent years.It is this kind of flat
Multiple little passages are set inside pipe, and when in use, heat exchanging fluid flows through the multiple passages in flat tube.Because flat tube exchanges heat
Area is big, therefore, it is possible to greatly improve heat transfer effect.
Passage inside currently used flat tube is isolated from each other, so as to each passage heat transfer when with other passages
Separate and work independently.In such cases, because the maldistribution of fluid, the pressure of local in flat tube can be caused excessive, and
And cause the pressure in heat exchanger uneven, cause internal heat transfer uneven, affect the flowing of fluid, reduce heat transfer effect,
Reduce the service life of heat exchanger tube.Accordingly, it would be desirable to improve the design of heat transfer of the heat exchanger including flat tube, the whole width of pipe is made
Degree upward pressure is uniform, and heat exchange is more uniform, in order to improve heat transfer efficiency, improves the service life of heat exchanger tube.
For the problems referred to above, the invention provides a kind of new flat tube heat exchanger, so as to solve the feelings of flat tube heat exchange
The uneven problem of internal pressure under condition.
The content of the invention
The invention provides a kind of new flat tube heat exchanger, so as to the technical problem for solving above to occur.
To achieve these goals, technical scheme is as follows：
A kind of heat exchanger, the heat exchanger include two headers and the heat exchanger tube being arranged between two headers；It is described
Heat exchanger tube is flat heat exchange tube, including flat tube and fin, and the flat tube includes side wall and tube wall parallel to each other, the side
Wall connects the end of parallel tube wall, and fluid passage is formed between the side wall and the parallel tube wall, and the fin is arranged
Between tube wall, the fin includes the sloping portion for favouring tube wall, and described sloping portion is connected with tube wall, the inclination
Fluid passage is spaced apart to form multiple passage aisles by part, and adjacent sloping portion connects on tube wall, and described adjacent inclines
It is triangle between inclined portion point and tube wall；Along tube wall sidewall direction from middle part to both sides, described adjacent inclination
The included angle A that part is formed is less and less.
Preferably, intercommunicating pore is set on sloping portion, so that adjacent passage aisle communicates with each other.
Preferably, along flat tube cross section tube wall centre to both sides sidewall direction, on different sloping portions
Described connection hole area constantly diminishes.
Preferably, along the centre of flat tube cross section to both sides sidewall direction, it is described on different sloping portions
The amplitude that connection hole area constantly diminishes is increasing.
Preferably, the intercommunicating pore is shaped as the first isosceles triangle, the base of first isosceles triangle
Midpoint is identical to the direction of drift angle and the flow direction of fluid.
Preferably, triangle between described adjacent sloping portion and tube wall is the second isosceles triangle；
The drift angle of the first isosceles triangle is B, and the drift angle of the second isosceles triangle is A, then meet equation below：
Sin (B)=a+b*sin (A/2)-c*sin (A/2)2；
Wherein a, b, c are parameters, wherein 0.58<a<0.59,1.65<b<1.75,1.78<c<1.85；
50°<A<150°；30°<B<90°.
Preferably, a=0.5849, b=1.6953, c=1.8244；
80°<A<120°；50°<B<60°
Preferably, the length on the first isosceles triangle base is h, equation below is met：
0.25<d*(h/H)<0.38；Wherein d is parameter, 0.5<d<1.8；
H is with the distance between relative face of adjacent tube wall.
H is with the distance between relative face of adjacent tube wall.
Preferably, 0.8<d<1.2.
Preferably, with the increase that drift angle is A, described d diminishes.
Preferably, with the increase of H, described d diminishes.
Compared with prior art, flat heat exchange tube of the invention has the following advantages：
1) change of the included angle A that the present invention is formed by sloping portion so that the circulation area of the passage aisle at middle part is big, two
The passage aisle circulation area of side diminishes, and so meets the pressure law of flow of fluid, so as to slow down the flowing pressure at middle part,
The flowing pressure of both sides is accordingly increased, solves the problems, such as that the internal pressure in the case of flat tube heat exchange is uneven.
2) present invention is by arranging intercommunicating pore on the fin of flat tube, it is ensured that the connection between adjacent passage aisle, solution
The uneven problem of internal pressure in the case that certainly flat tube exchanges heat, improves heat exchange efficiency, improves service life.
3) the present invention ensures reasonably to press in heat exchanger tube by the rational size for determining through hole along the change of flowing
Power, ensures to reach fully heat exchange again.
4) present invention is by substantial amounts of experiment, it is determined that the physical dimension of optimal flat heat exchange tube, so that ensureing
In the case of heat exchange resistance so that heat transfer effect reaches most preferably.
Description of the drawings
Fig. 1 is the structural representation of present invention heat exchanger；
Fig. 2 is flat tube cross-sectional structure schematic diagram of the present invention；
Fig. 3 is the structural representation of the flat tube cross section that fin is arranged outside the present invention；
Fig. 4 is that one flat tube inner fin of the present invention arranges the cross section structural representation at lead to the hole site；
Fig. 5 is the improved structure schematic diagram that outer fin flat tube cross section is arranged outside the present invention；
Fig. 6 is the schematic diagram that the present invention arranges through-hole structure sloping portion plane；
Fig. 7 is another schematic diagram that the present invention arranges through-hole structure sloping portion plane；
Fig. 8 is the triangle through hole structural representation of the present invention.
Reference is as follows：
1 flat tube, 2 fluid passages, 3 tube walls, 4 sloping portions, 5 summits, 6 intercommunicating pores, 7 fins, 8 headers, 9 headers, 10
Passage aisle, 11 outside fins, 12 side walls.
Specific embodiment
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described in detail.
Herein, if no specified otherwise, it is related to formula, "/" represents division, and "×", " * " represent multiplication.
A kind of heat exchanger, as shown in figure 1, the heat exchanger include two headers 8,9 and be arranged on two headers 8,9 it
Between heat exchanger tube.Outside fin 11 is set between the heat exchanger tube.The heat exchanger can widely use such as automobile heat exchange
Device, air-conditioning heat exchanger etc..
As shown in Fig. 2 the heat exchanger tube is flat heat exchange tube, including flat tube 1 and fin 7, the flat tube 1 includes mutually
Parallel tube wall 3 and side wall 12, the side wall 12 connect the end of parallel tube wall 3, and the side wall 12 is parallel with described
Fluid passage 2 is formed between tube wall 3, the fin 7 is arranged between tube wall 3, and the fin 7 includes the inclination for favouring tube wall
Part 4, described sloping portion 4 are connected with parallel tube wall 3, and fluid passage 2 is spaced apart to form many by the sloping portion 4
Individual passage aisle 10, adjacent sloping portion 4 connect on tube wall, constitute three between the adjacent sloping portion 4 and tube wall 3
It is angular；Middle part (centre position of tube wall 3 i.e. in Fig. 2 cross-sectional views) along tube wall 3 is to 12 direction of side wall of both sides, institute
The included angle A that the adjacent sloping portion 4 stated is formed is less and less.
By the change of above-mentioned included angle A so that the circulation area of the passage aisle at middle part is big, the passage aisle circulation area of both sides
Diminish, so meet the pressure law of flow of fluid, so as to slow down the flowing pressure at middle part, accordingly increase the stream of both sides
Dynamic pressure.
Preferably, along tube wall sidewall direction from middle part to both sides, the folder that described adjacent sloping portion is formed
Angle A less and less amplitude gradually increases.It is arranged such and also complies with pressure law, so that pressure distribution reaches most preferably
Even results.
Preferably, intercommunicating pore 6 is set on sloping portion 4, so that adjacent passage aisle 10 communicates with each other.
Preferably, the side wall 12 is arc-shaped.
By arranging intercommunicating pore 6, it is ensured that the connection between adjacent passage aisle 10, so that in the big passage aisle of pressure
Fluid can flow into the little passage aisle of neighbouring pressure, solve flat tube exchange heat in the case of internal pressure it is uneven
And the problem that local pressure is excessive, so as to promote abundant flowing of the fluid in heat exchanger channels, heat exchange efficiency is improve, together
When also improve the service life of heat exchanger tube.
Preferably, same sloping portion 4 arranges multiple intercommunicating pores 6, along the flow direction of fluid, described connection
The area in hole 6 is increasing.
It is found through experiments, becoming larger by area, compared with area is identical, can further reduces flowing
Resistance, can reduce about 10% or so flow resistance, but heat exchange efficiency is not substantially reduced.
Preferably, along the flow direction of fluid, the amplitude that the area change of intercommunicating pore 6 is big is increasing.By experiment
It was found that, the amplitude that the change of the area of intercommunicating pore 6 is big is increasing, it is ensured that in the case of heat exchange efficiency, further reduces stream
Dynamic resistance, can about reduce by 5% or so flow resistance.
Preferably, the area of the through hole of maximum is 1.1-1.3 times, preferably 1.23 times of the area of minimum through hole.
Preferably, centre (the centre of tube wall 3 i.e. in Fig. 2 cross-sectional views of tube wall 3 along flat tube cross section
Position) to both sides Ce Bi12 directions, described 6 area of intercommunicating pore on different sloping portions 4 constantly diminishes.Wherein, it is located at
The centre position of tube wall 3 in the centre position of flat tube 1, i.e. Fig. 2 cross-sectional views, the area of intercommunicating pore 6 are maximum.It is main former
Because being to be found through experiments, because fluid distribution is uneven, intermediate pressure is maximum, is gradually reduced from centre to pressure at both sides.Cause
The distribution of this via area so that the fluid at middle part flows to both sides as far as possible, reduces the flow resistance at middle part, while in order to keep away
Exempt from the excessive reduction for causing heat exchange area of perforated area so that perforated area is changed according to pressure, reduce resistance
Meanwhile, further improve heat exchange efficiency.
Preferably, along the centre of flat tube cross section to 12 direction of side wall, the described company on different sloping portions 4
The amplitude that 6 area of through hole constantly diminishes is increasing.By being arranged such, and meet the Changing Pattern of flowing pressure, enter
While one step reduces flow resistance, heat exchange efficiency is improved.
Preferably, the intercommunicating pore 6 is shaped as isosceles triangle, the midpoint on the base of the isosceles triangle is to top
The direction at angle is identical with the flow direction of fluid.That is, the drift angle direction of isosceles triangle is fluid flow direction.Pass through
Experiment finds, drift angle direction is set to be consistent with flow direction, heat exchange efficiency can be improved, while reducing flowing resistance
Power.By being arranged such, 10% or so heat exchange efficiency can be improved, while reducing by 9% or so resistance.
Preferably, triangle between described adjacent sloping portion and tube wall is isosceles triangle, after
Referred to as the second isosceles triangle.By being set to isosceles triangle, it is ensured that flow of fluid is uniform, heat transfer effect is improved.
Preferably, the sloping portion summit 5 is plane, the summit 5 of two adjacent sloping portions 4 is connected,
The summit 5 is connected with tube wall 3.Because it is plane to arrange fixed point 5, hence in so that sloping portion 4 is big with tube wall contact area, from
And tube wall and sloping portion are more fully preferably contacted.So that install being more prone to, it is to avoid slide.
Preferably, in triangle between adjacent sloping portion 4 and tube wall, the relative interior table of sloping portion 4
The junction point in face forms vertex of a triangle, and the vertex of a triangle is located on tube wall.
In Fig. 6, the flow direction of fluid is turned left from the right side.But left and right herein simply illustrates fluid along the flowing of through hole
Direction, is not offered as actual certain left and right flowing.
Preferably, the length of isosceles triangle base midpoint to drift angle is L, along the flow direction of fluid, together
One sloping portion 4 arranges multiple triangle intercommunicating pores 6, and along the flow direction of fluid, described length L is increasing.It is logical
Cross experiment to find, becoming larger by length L, compared with length L is identical, can further reduce flow resistance, energy
The flow resistance of enough reductions about 11% or so, but heat exchange efficiency is not substantially reduced.
Preferably, along the flow direction of fluid, the amplitude that length L becomes big is increasing.It is found through experiments, length
The amplitude that the change of L is big is increasing, it is ensured that in the case of heat exchange efficiency, further reduces flow resistance, about can drop
Low 5% or so flow resistance.
As shown in figure 8, the drift angle of the isosceles triangle is B, as shown in fig. 6, along the flow direction of fluid, it is same
Sloping portion 4 arranges multiple triangle intercommunicating pores 6.Along the flow direction of fluid, in the case where base length keeps constant,
Described through hole drift angle B is less and less.It is found through experiments, it is by tapering into for through hole drift angle B, identical with drift angle B
Compare, it is ensured that in the case of heat exchange efficiency, further reduce flow resistance, can about reduce by 7% or so flowing resistance
Power.
Preferably, along the flow direction of fluid, the amplitude that drift angle B diminishes is increasing.It is found through experiments, drift angle
The amplitude that B diminishes is increasing, it is ensured that in the case of heat exchange efficiency, further reduces flow resistance, about can reduce
4% or so flow resistance.
Preferably, along the flow direction of fluid, same sloping portion arranges multiple rows of intercommunicating pore 6, as shown in Figures 6 and 7,
The distance between every exhausting hole is S2, and along the flow direction of fluid, described S2 is less and less.Why it is arranged such, it is main
Syllabus is diminishing by S2, realizes, in the case where heat exchange efficiency is ensured, further reducing flow resistance.Sent out by experiment
Existing, flow resistance reduces by 10% or so.
The S2 is the base of the through hole with adjacent row as computed range.
Preferably, as shown in fig. 7, multiple rows of intercommunicating pore 6 is shifted structure.
Find in an experiment, the area of through hole can not be excessive, it is excessive if can cause the loss of heat exchange area, reduce heat exchange
Efficiency, it is too small if, cause local pressure distribution it is still uneven, in the same manner, the distance of adjacent tube wall 3 can not be excessive, cross conference
Cause the reduction of heat exchange efficiency, it is too small that flow resistance can be caused excessive.According to experiment find, the drift angle of the first isosceles triangle and
Change of the drift angle of the second isosceles triangle for certain rule, such as the second isosceles triangle drift angle become big, so as to cause heat exchange
The passage aisle area of passage increases, and corresponding flow resistance diminishes, therefore now the circulation area of the second isosceles triangle will
Diminish, can so reduce the area of intercommunicating pore 6, while in the case of ensureing flow resistance, improving heat exchange efficiency.Therefore first
There is following relation between isosceles triangle and the second isosceles triangle drift angle：
The drift angle of the first isosceles triangle is B, and the drift angle of the second isosceles triangle is A, then meet equation below：
Sin (B)=a+b*sin (A/2)-c*sin (A/2)2；
Wherein a, b, c are parameters, wherein 0.58<a<0.59,1.65<b<1.75,1.78<c<1.85；
50°<A<150°；30°<B<90°.
Preferably, a=0.5849, b=1.6953, c=1.8244；
80°<A<120°；50°<B<60°；
By above-mentioned formula, it may be determined that the optimal pass between the first isosceles triangle and the second isosceles triangle drift angle
System, ensure that under here relation in the case where flow resistance is met, reaches optimal heat exchange efficiency.
Preferably, H=7-15mm.It is further used as preferably, 9<H<12mm.
Preferably, the length on the first isosceles triangle base is h, equation below is met：
0.25<d*(h/H)<0.38；Wherein d is parameter, 0.5<d<1.8；
H is with the distance between relative face of adjacent tube wall.
Preferably, 0.8<d<1.2.
Preferably, with the increase that drift angle is A, described d diminishes.
Preferably, with the increase of H, described d diminishes.
The width of tube wall be W, preferably 4.6<W/H<7.4, further preferably, 5.6<W/H<6.8.
For sloping portion formed drift angle A it is different in the case of, for example along tube wall sidewall direction from middle part to both sides,
The less and less situation of included angle A that described adjacent sloping portion is formed, the A in formula above take sloping portion adjacent
Two drift angles meansigma methodss calculating.
One, by above-mentioned optimization design, can further improve the heat exchange property of heat exchanger tube, while reducing flow resistance.
The present invention is the thousands of numerical simulations and test data by multiple various sizes of heat exchanger tubes, is meeting work
Industry is required in the case of pressure-bearing (below 10MPa), in the case where maximum heat exchange amount is realized, the optimal flat tube wall for summing up
Dimensionally-optimised relation.
For clear size of opening along fluid flow direction or along from the centre of heat exchanger tube cross section tube wall to side wall 2 not
It is disconnected change in the case of, be also still applied to above-mentioned formula, by regulation coefficient or other clear size of opening can be selected expiring
Foot.
Preferably, the base of the adjacent isosceles triangle through hole of described same row is all on one wire, same row
Adjacent through hole distance is S1, the 2.9 × h<S1<3.3 × h, wherein S1 are with the bottom of two neighboring isosceles triangle through hole
The distance at the midpoint on side.Preferably 3.2 × h=S1.
Preferably, the base of the isosceles triangle of the through hole of adjacent row is parallel to each other, the summit of isosceles triangle is on earth
The distance at side midpoint be L, adjacent row apart from S2 be 3.8*L<S2<4.8*L.Preferably S2=4.4*L
When the base of the isosceles triangle of adjacent row is different, take the weighted mean on two bases to calculate.
Preferably, the angle of the isosceles triangle of same row is identical with base.I.e. shape is identical, is equal
Shape.
For formula above, the through hole different for front and rear row size, also still it is suitable for.
Preferably, the wall thickness of fin is 0.6-1.1mm；Preferably, 0.8-1.0mm.
For the concrete dimensional parameters do not mentioned, it is designed according to normal heat exchanger.
Preferably, as shown in Fig. 2 the outside of tube wall 3 in flat tube 1 arranges fin 11.
Preferably, the fin is straight panel shape, the flow direction of the bearing of trend of fin along fluid, i.e., such as Fig. 2 institutes
Show, along perpendicular to the direction of paper.
Preferably, along the flow direction of fluid, 11 height of outside fin constantly increases, and the amplitude that height increases is got over
Come bigger.By increasing fin height, so as to increase the heat exchange area of fin.Experiment finds, by being arranged such, high with fin
The identical heat exchange efficiency compared, about 5% can be improved of degree.
Preferably, as shown in figure 5, along the centre of 1 cross section of flat tube to both sides, the height of the fin 11 is continuous
Reduce.Wherein, positioned at the centre position of flat tube 1, the height highest of fin.
Because being found by experiment that, flat tube is most in middle part radiating, and from middle part to both sides, radiating is tapered into, therefore
By the outside fin height change for arranging flat tube, so that the area of dissipation of flat tube is maximum at middle part, in both sides most
It is little so that middle part heat-sinking capability is maximum, so meets the heat dissipation law of flat tubular heat so that flat tube radiating is equal on the whole
It is even, it is to avoid flat tube local temperature is overheated, cause radiating effect excessively poor, cause the shortening of flat tube lifetime.
Preferably, from centre to both sides, the amplitude that the height of the fin 11 is reduced constantly increases.
By above-mentioned setting, and meet the heat dissipation law of flat tube, further improve the heat exchange efficiency of flat tube, increase
The life-span of flat tube.
It is preferred that, the heat exchanging fluid is water.
Although the present invention is disclosed as above with preferred embodiment, the present invention is not limited to this.Any art technology
Personnel, without departing from the spirit and scope of the present invention, can make various changes or modifications, therefore protection scope of the present invention should
When being defined by claim limited range.
Claims (5)
1. a kind of heat exchanger, the heat exchanger include two headers and the heat exchanger tube being arranged between two headers；Its feature
It is that the heat exchanger tube is flat heat exchange tube, including flat tube and fin, the flat tube includes side wall and pipe parallel to each other
Wall, the side wall connect the end of parallel tube wall, form fluid passage between the side wall and the parallel tube wall, described
Fin is arranged between two tube walls parallel to each other, on the inside of tube wall；The fin includes the rake for favouring tube wall
Point, described sloping portion is connected with tube wall, and fluid passage is spaced apart to form multiple passage aisles by the sloping portion, adjacent
Sloping portion connect on tube wall, it is triangle between the adjacent sloping portion and tube wall；Along in tube wall
Sidewall direction of the portion to both sides, vertex angle A that described adjacent sloping portion is formed are less and less.
2. heat exchanger as claimed in claim 1, it is characterised in that along tube wall sidewall direction from middle part to both sides, it is described
The less and less amplitude of the included angle A that formed of adjacent sloping portion gradually increase.
3. heat exchanger as claimed in claim 1, it is characterised in that intercommunicating pore is set on sloping portion, so that adjacent
Passage aisle communicates with each other, and the intercommunicating pore is shaped as the first isosceles triangle, in the base of first isosceles triangle
The direction of point to drift angle is identical with the flow direction of fluid.
4. heat exchanger as claimed in claim 3, it is characterised in that constitute between described adjacent sloping portion and tube wall
Triangle is the second isosceles triangle；The drift angle of the first isosceles triangle is B, and the drift angle of the second isosceles triangle is A, then meet
Equation below：
Sin (B)=a+b*sin (A/2)-c*sin (A/2)2；
Wherein a, b, c are parameters, wherein 0.58<a<0.59,1.65<b<1.75,1.78<c<1.85；
50°<A<150°；30°<B<90°.
5. heat exchanger as claimed in claim 4, it is characterised in that the length on the first isosceles triangle base is h, is met as follows
Formula：
0.25<d*(h/H)<0.38；Wherein d is parameter, 0.5<d<1.8；
H is with the distance between relative face of adjacent tube wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510980344.8A CN105466244B (en) | 2015-12-23 | 2015-12-23 | A kind of flat tube heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510980344.8A CN105466244B (en) | 2015-12-23 | 2015-12-23 | A kind of flat tube heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105466244A CN105466244A (en) | 2016-04-06 |
| CN105466244B true CN105466244B (en) | 2017-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201028900Y (en) * | 2007-04-24 | 2008-02-27 | 张奡 | Novel flat flowing condenser |
| CN202947521U (en) * | 2012-11-28 | 2013-05-22 | 威海友邦汽车零部件制造有限公司 | Multichannel aluminum flat pipe used for air-conditioner |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007064606A (en) * | 2005-09-02 | 2007-03-15 | Isuzu Motors Ltd | Heat exchanger tube for egr cooler |
-
2015
- 2015-12-23 CN CN201510980344.8A patent/CN105466244B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201028900Y (en) * | 2007-04-24 | 2008-02-27 | 张奡 | Novel flat flowing condenser |
| CN202947521U (en) * | 2012-11-28 | 2013-05-22 | 威海友邦汽车零部件制造有限公司 | Multichannel aluminum flat pipe used for air-conditioner |
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| Publication number | Publication date |
|---|---|
| CN105466244A (en) | 2016-04-06 |
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