CN107560479A - A kind of heat exchanger tube and there is its heat exchanger - Google Patents
A kind of heat exchanger tube and there is its heat exchanger Download PDFInfo
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- CN107560479A CN107560479A CN201710784420.7A CN201710784420A CN107560479A CN 107560479 A CN107560479 A CN 107560479A CN 201710784420 A CN201710784420 A CN 201710784420A CN 107560479 A CN107560479 A CN 107560479A
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Abstract
The invention discloses a kind of heat exchanger tube and there is its heat exchanger.The heat exchanger tube includes body, wherein, outer wing is provided with the outside wall surface of the body, the free end of the outer wing of at least a portion is provided with corners, for puncturing liquid film in condensing heat-exchange, the outer wing of at least a portion and the junction of the outside wall surface are provided with depressed part, for reducing the activation energy in liquid needed for formation bubble in evaporation and heat-exchange.On the one hand the heat exchanger tube of the present invention effectively can puncture liquid film in condensing heat-exchange and reduce thermal resistance, another aspect and can effectively reduces the activation energy formed in liquid needed for bubble in evaporation and heat-exchange, so as to ensure to freeze and heat the heat exchange efficiency under two kinds of operating modes, heat exchange efficiency declines after solving the problems, such as operating mode switching.
Description
Technical field
The present invention relates to technical field of heat exchange, and in particular to a kind of heat exchanger tube.The invention further relates to the heat exchanger tube
Heat exchanger.
Background technology
It is both needed to be related to heat exchange in many industrial productions and in daily life, such as air conditioning condenser and evaporator
Deng.In air-conditioner set, such as in family expenses air conditioner or commercial heat pump unit, especially in large-size water-cooling unit, typically steam
Evaporating heat-exchanging pipe is used in hair device, condensing heat-exchanging pipe is used in condenser, because evaporation and heat-exchange is different with the principle of condensing heat-exchange,
The structure of evaporating heat-exchanging pipe and condensing heat-exchanging pipe is also different.However, when heating and cooling condition switching, (evaporation and heat-exchange is effective
In condensing heat-exchange, condensing heat-exchanging pipe is used for evaporation and heat-exchange), because the heat transfer mechanism of heat exchanger tube is different, thus in another operating mode
Lower heat exchange efficiency is low, causes the heat exchange efficiency of air-conditioner set to decline substantially.
The content of the invention
Based on above-mentioned present situation, it is a primary object of the present invention to provide a kind of heat exchanger tube, it effectively can solve to heat and make
The problem of heat exchanger heat exchange efficiency declines after cold operating mode switching.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of heat exchanger tube, including body, wherein, outer wing, the outer wing of at least a portion are provided with the outside wall surface of the body
Free end be provided with corners, for puncturing liquid film in condensing heat-exchange, the connection of the outer wing of at least a portion and the outside wall surface
Place is provided with depressed part, for reducing the activation energy in liquid needed for formation bubble in evaporation and heat-exchange.
Preferably, the corners protrude out direction be along the body radially outward；
And/or the depression direction of the depressed part is towards the inside of the outer wing；
And/or the depressed part is arranged on the side, both sides or more sides of the outer wing.
Preferably, the corners has the axially extending sharp sword along the body；
And/or the depressed part includes depression and/or the axially extending groove along the body.
Preferably, the cross-sectional profiles of the depressed part include arc, V-arrangement and/or U-shaped.
Preferably, the arc is circular arc, arc radius R=0.05~0.2mm of the circular arc；
And/or the depth of the depressed part of V-arrangement or U-shaped cross-section profile is no more than 1mm.
Preferably, in the axial direction of the body, the outer wing of at least a portion from root during free end is extended to
Gradually taper up.
Preferably, the outer wing gradually tapered up shrinks according to angle γ of taper, wherein, γ=1~30 °.
Preferably, the outer wing of at least a portion includes the first corners and the second corners arranged side by side.
Preferably, the height of first corners is more than the height of second corners；
And/or the width of first corners is equal to the width of second corners.
Preferably, the difference in height of first corners and second corners is 0.05~0.5mm；
And/or the first groove is formed between first corners and second corners, the bottom of first groove
The height distance on portion to the second corners top is 0.2~0.5mm.
Preferably, at least one of first side of the first side of the first corners and the second corners is curved surface,
Wherein, the first side of the first side of the first corners and the second corners faces each other；
And/or first corners and second corners are arranged side by side in the circumference of the body.
Preferably, overall width of the outer wing in the circumference of the body is 0.2~0.6mm, total height is 0.5~
1.5mm；
And/or on the axial direction of the body, the distance between adjacent two outer wings are 0.2~0.5mm；
And/or in the circumferential direction of the body, the distance between adjacent two outer wings are 0.3~0.8mm.
Preferably, light section pipe is included at the both ends of the body.
Another object of the present invention is to provide a kind of heat exchanger, it includes foregoing heat exchanger tube.
The tube wall face of the heat exchanger tube of the present invention is provided with the outer wing with corners, and sets depression in the root of outer wing
Portion, so as on the one hand effectively puncture liquid film in condensing heat-exchange and reduce thermal resistance, another aspect and can is in evaporation and heat-exchange
Effectively reduce the activation energy needed for formation bubble in liquid, so as to ensure to freeze and heat the heat exchange efficiency under two kinds of operating modes, solution
The problem of certainly heat exchange efficiency declines after operating mode switching.
Further, by setting highly different the first corners and the second corners on outer wing, moreover it is possible to effectively solution
Certainly in production process because of the exchange capability of heat decline caused by losing outer wing the problem of.
Brief description of the drawings
The preferred embodiment of the heat exchanger tube according to the present invention is described hereinafter with reference to accompanying drawing.In figure：
Fig. 1 is the end view schematic according to a kind of heat exchanger tube of preferred embodiment of the present invention；
Fig. 2 is the schematic cross-sectional view of Fig. 1 heat exchanger tube；
Fig. 3 is the sectional perspective schematic diagram of Fig. 1 heat exchanger tube；
Fig. 4 is the partial enlarged view of the a-quadrant in Fig. 3；
Fig. 5 is the end view schematic according to the heat exchanger tube of another preferred embodiment of the present invention；
Fig. 6 is the schematic cross-sectional view of Fig. 5 heat exchanger tube；
Fig. 7 is the sectional perspective schematic diagram of Fig. 5 heat exchanger tube；
Fig. 8 is the partial enlarged view of the B area in Fig. 7.
Embodiment
The problem of based on being mentioned in background section, the first aspect of the present invention provide a kind of heat exchanger tube, to overcome
Such as after the switching of air-conditioner set operating mode the problem of the decline of heat exchanger heat exchange efficiency.
Before starting that the heat exchanger tube of the present invention is described in detail, the heat exchange principle of heat exchanger tube is first briefly explained.Air-conditioning
In heat exchanger be divided into condenser and evaporator, correspondingly, heat transfer process is divided into condensing heat-exchange and evaporation and heat-exchange.
Wherein, the heat-transfer mechanism of condensing heat-exchange is condensation heat transfer, is divided into film condensation and dropwise condensation again, and condenser one
As be film condensation heat transfer.During film condensation, the presence of condensate film constitutes the thermal resistance of condensation heat transfer, thus causes temperature
Loss, causes heat exchange efficiency to reduce.
The heat-transfer mechanism of evaporation and heat-exchange is boiling heat transfer, is divided into bulk container boiling (pool boiling) and forced-convection boiling again
(mainly boiling in ducts), and evaporator is generally pool boiling heat exchange, i.e., heating wall is immersed in the liquid with Free Surface
The boiling occurred in body, this free buoyance lift of caused bubble energy, enters vessel space through liquid free surface.
The heat exchanger tube of the present invention is exactly to have taken into full account the heat transfer mechanism of both heat transfer process and designed, so as to
Condensing heat-exchange is can be not only used for, can be used for evaporation and heat-exchange again, and higher heat exchange efficiency can be realized under two kinds of operating modes.
Specifically, as shown in figures 1-8, heat exchanger tube of the invention includes body 1, wherein, in the outside wall surface of the body 1
Rows of outer wing 2 provided with outer wing 2, such as diagram, wherein, the free end of at least a portion (preferably whole) outer wing 2 is provided with point
Corner 4, for puncturing liquid film, also, at least a portion (preferably whole) outer wing 2 and the company of the outside wall surface in condensing heat-exchange
Meet place's (namely at root position of outer wing 2) and be provided with depressed part 3, formed for being reduced in evaporation and heat-exchange in liquid needed for bubble
Activation energy.As shown in Figure 1 and Figure 5, the wedge angle of corners 4 is preferably by two side phases in the circumferential direction along body 1
Hand over and formed.
When the heat exchanger tube of the present invention works under different operating modes, such as in condensing heat-exchange, " wedge angle " of corners 4 can
Effectively to puncture liquid film, thermal resistance is reduced, improves heat exchange efficiency；And formed needed for bubble and activated in evaporation and heat-exchange, in depressed part 3
Can be smaller, bubble be able to can just be formed under the relatively low degree of superheat, improve heat exchange efficiency.So as to make the heat exchange with the heat exchanger tube
Device can ensure to freeze and heat the heat exchange efficiency under two kinds of operating modes solve the problems, such as heat exchange efficiency decline after operating mode switching.
Preferably, as shown in Fig. 1-2 and Fig. 5-6, the direction that protrudes out of the corners 4 is the radial direction along the body 1
Outwards, that is, each corners 4 is radially arranged in the outside wall surface of body 1, so as to more hold in condensing heat-exchange
Change places and puncture liquid film.
In the heat exchanger tube of the present invention, the depression direction of depressed part 3 can be towards any direction, such as towards in outer wing 2
Portion's depression, towards the tube wall inner recess of body 1 or simultaneously towards the inside of outer wing 2 and the tube wall inner recess of body 1, all
The purpose of the present invention can be realized.However, it is preferred that as shown in Figure 4 and Figure 8, the depression direction of the depressed part 3 is towards institute
The inside of outer wing 2 is stated, can so ensure the pipe thickness of body 1, so as to ensure the intensity of body 1.
Preferably, the depressed part 3 can be arranged on the side, both sides or more sides of the outer wing 2.For example, Fig. 1-4 institute
In the embodiment shown, depressed part 3 is arranged on the side of outer wing 2；In another example in the embodiment shown in Fig. 5-8, depressed part
3 are arranged on the both sides of outer wing 2.And in a not shown embodiment, depressed part 3 can also be set in remaining side of outer wing 2, only
Otherwise the intensity of the intensity of the outer wing 2 of undue weakening or the tube wall of body 1.
Preferably, as shown in Fig. 3-4 and Fig. 7-8, the corners 4 has the axially extending sharp sword along the body 1
5.That is, in the present invention, the sophisticated position of the corners 4 of each outer wing 2 is arranged to the sharp sword 5 with certain length, so that
In the case of keeping acuity, the intensity at sophisticated position is effectively ensured so that in such as alignment process and installed
The probability damaged in journey declines.Especially, the sharp sword 5 axially extended can also be more preferable during heat exchanger supporting plate is installed
Ground keeps intensity and shape.
Preferably, in heat exchanger tube of the invention, the depressed part 3 can include depression and/or the axle along the body 1
To the groove of extension.Wherein, there is the advantages of handling ease along the axially extending groove of body 1, can disposably processes
Shaping, to the damage of the outer wing of machined shaping when reducing the secondary operation and secondary operation in other directions.
In addition, when depressed part 3 is along the axially extending groove of body 1, also help between the adjacent outer wing of increase
Runner, particularly bottom flow passage, so as to be advantageous to discharge opeing, strengthen heat transfer effect during condensing heat-exchange.
Especially, when the bilateral of outer wing 2 sets depressed part 3, and the direction that is recessed of depressed part 3 is towards the inside of the outer wing 2
When, there can be a pair of depressed parts 3 faced each other in the passage between the outer wing 2 of adjacent pair, in evaporation and heat-exchange, this is a pair
The bubble formed in the depressed part 3 faced each other can be grown up in a passage and free buoyance lift, the minute bubbles on both sides are being formed
During may contact, and then merge one air pocket of generation by two minute bubbles, accelerate buoyance lift, strengthen heat transfer effect.
Preferably, in heat exchanger tube of the invention, the cross-sectional profiles of the depressed part 3 can include arc (preferably circular arc
Shape), V-arrangement and/or U-shaped.No matter depressed part 3 is depression or groove, can use one kind in these cross-sectional profiles.
For the depressed part 3 of radiused cross-section profile, its arc radius R value for R=0.05~
0.2mm, for example, in a preferred embodiment, R=0.1mm；For the recessed of other arcs, V-arrangement or U-shaped cross-section profile
Falling into for portion 3, its cup depth is no more than 1mm, for example, in a preferred embodiment, cup depth 0.3mm.
Preferably, in the axial direction of the body 1, at least a portion (preferably whole) outer wing 2 extends to certainly from root
Gradually tapered up during by end, as shown in Figure 2 and Figure 6.The structure gradually tapered up causes corresponding outer 2 tapered characteristic of wing,
Stability Analysis of Structures, it is not easily broken.
Preferably, the outer wing 2 gradually tapered up shrinks according to angle γ of taper, as shown in Figure 2 and Figure 6, wherein, γ=1~
30°.That is, two sides in the axial direction of body 1 of outer wing 2 are plane, and angle therebetween is γ.Experiment card
Bright, angle γ of taper determines according to mentioned above principle, can ensure the intensity of outer wing unit and the acuity of outer wing.
Preferably, as viewed in figures 5-8, at least a portion (preferably whole) outer wing 2 includes the He of the first corners 11 arranged side by side
Second corners 12.By the way that the corners 4 of outer wing 2 is divided into two or more corners, such as the first corners 11 and second
Corners 12, be advantageous to take into account the root intensity of outer wing 2 and two factors of acuteness of corners, so that it is guaranteed that during condensing heat-exchange
Heat transfer effect.
In the actual production process of heat exchanger tube, heat exchanger tube generally requires to be straightened, this can cause outer wing 2 on body 1 by
Damage, such as fracture or rust, it is unfavorable for effectively puncturing liquid film, influences condensing heat-exchange efficiency.Even, in the installation process of heat exchanger tube
In, these outer wings 2 can also rub between the supporting plate of heat exchanger, also can the outer wing 2 of broken parts.
Therefore, preferably, the height of first corners 11 is more than the height of second corners 12, such as Fig. 5 and
Shown in Fig. 7-8.
Due to multiple outer wings 2 are distributed with the outside wall surface of body 1, when the corners 4 of outer wing 2 includes different two of height
Or more corners when, those shorter corners (i.e. the second corners 12) can be caused to be hidden in those higher corners
Between (i.e. the first corners 11), so, even if because production process in straightening technology or installation process in heat exchanger
Friction between supporting plate and cause part corners to be damaged, also can guarantee that and only injure higher corners (i.e. the first corners
11), shorter corners (i.e. the second corners 12) still can guarantee that its wedge angle is complete, so that in the course of the work can be suitable
Profit punctures liquid film and/or bubble, ensures heat exchange efficiency.
Preferably, the width of first corners 11 is equal to the width of second corners 12.Certainly, the two width
It is unequal and feasible.In the present invention, the width of outer wing or the width of corners are the circumferential size along body 1, and
Length is then the axial size along body 1.Especially, because corners is smaller closer to free end width dimensions, thus the
One corners 11, the width of the second corners 12 refer to the Breadth Maximum of corresponding corners, namely the width dimensions of bottom.
Preferably, the difference in height of first corners 11 and second corners 12 is 0.05~0.5mm.For example,
In a preferred embodiment, the height of the first corners 11 is 1.0mm, and the height of the second corners 12 is 0.8mm.Wherein,
The height of the height of first corners 11 and the second corners 12 refers to the tip of the two to the height dimension of the outside wall surface of body 1
(radial dimension).It is demonstrated experimentally that when the difference in height of the two is configured according to above-mentioned size range, heat exchange can effectively ensure that
When efficiency, particularly the first corners 11 are damaged, the second corners 12 can continue to play the effect for puncturing liquid film.
Preferably, the first groove 13 is formed between first corners 11 and second corners 12, described first
The height distance on the bottom of groove 13 to the top of the second corners 12 is 0.2~0.5mm, for example, being preferable to carry out at one
In mode, the height distance is 0.3mm.In addition to ensuring that the height and acuteness of the first corners 11 and the second corners 12 with
Outside, the first groove 13 can also play discharge opeing runner.
Preferably, at least one of first side of the first side of the first corners 11 and the second corners 12 is song
Face, wherein, first side defines in the following manner：The first side of the first side of first corners 11 and the second corners 12
Face each other.For example, as shown in figure 8, the first side of the first corners 11 is convex surface, the first side of the second corners 12
For concave curved surface, this set, in addition to being easy to shape, additionally it is possible to fully ensure that the intensity of the first corners 11, make it not
It is easily damaged, and it is possible to make the acuity at the wedge angle position of two corners close.
Preferably, first corners 11 and second corners 12 cloth side by side in the circumference of the body 1
Put, namely be arranged in juxtaposition in the direction of the width, as Figure 7-8, this set causes the first corners 11 and the second corners
12 are easier machine-shaping.
Preferably, overall width of the outer wing 2 in the circumference of the body 1 is 0.2~0.6mm, total height is 0.5~
1.5mm, for example, in a preferred embodiment, the overall width is 0.4mm, the total height is 1.0mm.Here, outer wing 2
Overall width refers to size of the root (when not considering depressed part 3) of outer wing in the circumferential direction of body 1, and the total height of outer wing 2
Then refer to height dimension that the highest sophisticated (such as tip of the first corners 11) of outer wing 2 arrived between the outside wall surface of body 1 (namely
Radial dimension).
Preferably, as shown in Figure 3 and Figure 7, on the axial direction of the body 1, between adjacent two outer wings away from
From for L1=0.2~0.5mm, for example, in a preferred embodiment, L1 0.4mm.
Preferably, as shown in Figure 3 and Figure 7, in the circumferential direction of the body 1, between adjacent two outer wings away from
From for L2=0.3~0.8mm, for example, in a preferred embodiment, L2 0.6mm.
Preferably, as shown in figures 1-8, the internal tooth 6 by spiral extension is additionally provided with the internal face of the body 1.It is interior
The main function of tooth 6 is, choked flow and stirring can be carried out to the fluid of the internal flow of body 1, so as to improve the effect of heat exchange
Rate.
Preferably, as shown in Figure 2 and Figure 6, helixangleβ=10~30 ° of the internal tooth 6, for example, being preferable to carry out at one
In mode, β=20 °.
Preferably, the shape of cross section of the internal tooth 6 is trapezoidal, as shown in Figure 1 and Figure 5, trapezoidal addendum angle α=20~
60 °, trapezoidal height is 0.2~0.4mm, for example, in a preferred embodiment, addendum angle α=40 °, trapezoidal height is
0.3mm。
Preferably, the number of the internal tooth 6 is 50~80, for example, in a preferred embodiment, the number of internal tooth 6
For 50.
Preferably, the both ends of the body 1 include light section pipe (namely being not provided with outer wing) so that when heat exchanger tube passes through heat exchange
After the tube sheet of device both sides, it can be tightly fastened with tube sheet, the length of light section pipe is preferably no greater than the thickness of tube sheet.It is longer in heat exchanger tube
In the case of, it is fixed if necessary, with supporting plate exchange heat pipe, then the contact portion of heat exchanger tube and supporting plate can be made
Light section pipe, can also make the structure with outer wing.Because the heat exchanger tube of the present invention has foregoing preferred structure, it is being pacified
It can still ensure preferable heat exchange property after dress supporting plate.
To sum up, outer wing is set on the tube wall face of heat exchanger tube of the invention, and depressed part is set in outer fin root portion, can
All ensure higher heat exchange efficiency under two kinds of operating modes of condensing heat-exchange and evaporation and heat-exchange, solve heat exchanger of the prior art and making
The problem of heat exchange efficiency is low when heat switches with cooling condition.Further, by setting highly different corners for outer wing, make
When causing the outer apex of the wing end to be damaged in alignment and/or installation process, it can be ensured that the only higher corners of broken parts, and compared with
Short corners then can guarantee that injury-free, so as to farthest ensure to puncture the ability of liquid film, ensure heat exchange efficiency.
On the basis of above-mentioned work, another aspect provides a kind of heat exchanger, and it is included before the present invention
Described heat exchanger tube.Because the heat exchange property of the heat exchanger tube of the present invention is obviously improved, therefore the performance of the heat exchanger of the present invention
It is obviously improved.And particularly advantageously, heat exchanger of the invention is either used as condenser or evaporator, can ensure height
Heat exchange efficiency, so as to especially suitable for both cooling and heating type air-conditioner set.
For those skilled in the art it is easily understood that on the premise of not conflicting, above-mentioned each preferred scheme can be free
Ground combination, superposition.
It should be appreciated that above-mentioned embodiment is only illustrative, and not restrictive, without departing from the basic of the present invention
In the case of principle, those skilled in the art is directed to the various obvious or equivalent modifications or substitutions that above-mentioned details is made,
All it is included in scope of the presently claimed invention.
Claims (14)
1. a kind of heat exchanger tube, including body, it is characterised in that outer wing is provided with the outside wall surface of the body, at least a portion
The free end of outer wing is provided with corners, for puncturing liquid film, the outer wing of at least a portion and the outside wall surface in condensing heat-exchange
Junction is provided with depressed part, for reducing the activation energy in liquid needed for formation bubble in evaporation and heat-exchange.
2. heat exchanger tube according to claim 1, it is characterised in that the direction that protrudes out of the corners is along the body
Radially outward；
And/or the depression direction of the depressed part is towards the inside of the outer wing；
And/or the depressed part is arranged on the side, both sides or more sides of the outer wing.
3. heat exchanger tube according to claim 1, it is characterised in that the corners has along the axially extending of the body
Sharp sword；
And/or the depressed part includes depression and/or the axially extending groove along the body.
4. heat exchanger tube according to claim 1, it is characterised in that the cross-sectional profiles of the depressed part include arc, V-arrangement
And/or U-shaped.
5. heat exchanger tube according to claim 4, it is characterised in that the arc is circular arc, the circular arc of the circular arc
Radius R=0.05~0.2mm；
And/or the depth of the depressed part of V-arrangement or U-shaped cross-section profile is no more than 1mm.
6. according to the heat exchanger tube described in one of claim 1-5, it is characterised in that in the axial direction of the body, at least one
Exceptionally wing gradually tapers up during free end is extended to from root.
7. heat exchanger tube according to claim 6, it is characterised in that the outer wing gradually tapered up shrinks according to angle γ of taper, its
In, γ=1~30 °.
8. according to the heat exchanger tube described in one of claim 1-5, it is characterised in that the outer wing of at least a portion includes arranged side by side first
Corners and the second corners.
9. heat exchanger tube according to claim 8, it is characterised in that the height of first corners is more than the described second point
The height in corner；
And/or the width of first corners is equal to the width of second corners.
10. heat exchanger tube according to claim 9, it is characterised in that first corners and second corners
Difference in height is 0.05~0.5mm；
And/or the first groove is formed between first corners and second corners, the bottom of first groove is arrived
The height distance on the second corners top is 0.2~0.5mm.
11. heat exchanger tube according to claim 8, it is characterised in that the first side of the first corners and the second corners
At least one of first side be curved surface, wherein, the first side of the first side of the first corners and the second corners
Face each other；
And/or first corners and second corners are arranged side by side in the circumference of the body.
12. according to the heat exchanger tube described in one of claim 1-5, it is characterised in that the outer wing is in the circumference of the body
Overall width be 0.2~0.6mm, total height is 0.5~1.5mm；
And/or on the axial direction of the body, the distance between adjacent two outer wings are 0.2~0.5mm；
And/or in the circumferential direction of the body, the distance between adjacent two outer wings are 0.3~0.8mm.
13. according to the heat exchanger tube described in one of claim 1-5, it is characterised in that include light section pipe at the both ends of the body.
14. a kind of heat exchanger, it is characterised in that including the heat exchanger tube described in one of claim 1-13.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099751A (en) * | 2018-08-30 | 2018-12-28 | 珠海格力电器股份有限公司 | Heat exchanger tube and heat pump unit |
| CN109458770A (en) * | 2018-12-17 | 2019-03-12 | 江苏世林博尔制冷设备有限公司 | A kind of U-tube dry evaporator effectively to radiate |
| CN111854503A (en) * | 2020-07-13 | 2020-10-30 | 珠海格力电器股份有限公司 | Condenser pipe, condenser and air conditioning system |
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| CN102305569A (en) * | 2011-08-16 | 2012-01-04 | 江苏萃隆精密铜管股份有限公司 | Heat exchanger tube used for evaporator |
| CN106767095A (en) * | 2016-12-02 | 2017-05-31 | 珠海格力电器股份有限公司 | A kind of heat exchanger tube and the heat exchanger with it |
| CN206410589U (en) * | 2016-12-20 | 2017-08-15 | 江苏萃隆精密铜管股份有限公司 | A kind of efficient heat conducting tube of evaporative condenser Jian Gu Xing |
| CN207214888U (en) * | 2017-09-04 | 2018-04-10 | 珠海格力电器股份有限公司 | A kind of heat exchanger tube and there is its heat exchanger |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099751A (en) * | 2018-08-30 | 2018-12-28 | 珠海格力电器股份有限公司 | Heat exchanger tube and heat pump unit |
| CN109458770A (en) * | 2018-12-17 | 2019-03-12 | 江苏世林博尔制冷设备有限公司 | A kind of U-tube dry evaporator effectively to radiate |
| CN111854503A (en) * | 2020-07-13 | 2020-10-30 | 珠海格力电器股份有限公司 | Condenser pipe, condenser and air conditioning system |
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