CN106610151A - Heat exchanger - Google Patents
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- CN106610151A CN106610151A CN201510695218.8A CN201510695218A CN106610151A CN 106610151 A CN106610151 A CN 106610151A CN 201510695218 A CN201510695218 A CN 201510695218A CN 106610151 A CN106610151 A CN 106610151A
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Abstract
The invention provides a heat exchanger. The heat exchanger comprises an inlet pipe, an outlet pipe, an upper collecting pipe, a lower collecting pipe and a heat exchange part, wherein a refrigerant in the heat exchanger is discharged through the outlet pipe; a separating plate is arranged in the upper collecting pipe and divides the upper collecting pipe into at least one first chamber and at least one second chamber; at least one opening is formed in the separating plate; the first chamber and the second chamber communicate by liquid through the opening; the lower collecting pipe communicates with the inlet pipe by the liquid; the heat exchange part, comprising a plurality of heat exchange pipes and fins positioned among the adjacent heat exchange pipes, is positioned between the upper collecting pipe and the lower collecting pipe; the heat exchange pipes communicate with the second chamber of the upper collecting pipe and the lower collecting pipe by the liquid; the separating plate is provided with one or a plurality of stopping parts which can stop liquid flowing from the first chamber into the second chamber through one or a plurality of openings of the at least one opening.
Description
Technical field
The application is related to a kind of heat exchanger, and more particularly to a kind of condenser for refrigeration air-conditioner.
Background technology
In field of Refrigeration and Air-conditioning, condenser is that one of core component of kind of refrigeration cycle is completed in process of refrigerastion.Such as micro channel heat exchanger is big with environment contact area due to it, heat exchanger effectiveness is high and become the widely used condenser form of present field of Refrigeration and Air-conditioning.
But, such as micro channel heat exchanger heat exchanger it is actually used during, the height that its heat exchange efficiency is not envisioned, heat exchange efficiency is not especially desirable.Those skilled in the art are studied undesirable heat exchange efficiency also by the means such as heat exchanger are dissected in terms of its welding procedure, manufacturing technology etc., but again without finding a kind of solution of the actual heat exchange efficiency for effectively improving heat exchanger.
Accordingly, there exist the demand being improved to heat exchanger in refrigeration air-conditioner.
The content of the invention
The purpose of the present invention is the disadvantages mentioned above for overcoming existing heat exchanger so that heat exchanger heat exchange is uniform, improves heat exchange efficiency.
The present invention provides a kind of heat exchanger, and the heat exchanger can include：
Inlet tube；
Outlet, the coolant in heat exchanger is discharged via outlet；
Upper header, demarcation strip is provided with header on described, upper header is at least divided into first chamber and second chamber by the demarcation strip, and at least one opening is provided with demarcation strip, and the first chamber and the second chamber are by the open fluid communication；
Lower header, itself and import fluid communication；With
Heat exchange department, it is located between header and lower header, and including many heat exchanger tubes and the fin between adjacent heat exchange tubes, heat exchanger tube is in fluid communication respectively with the second chamber and lower header of upper header,
Wherein, the one or more openings during there are the demarcation strip one or more stop parts, the stop part to be configured to prevent the liquid in first chamber via at least one opening are flowed in second chamber.
Alternatively, one or more stop parts are the one or more protuberances extended towards first chamber from the demarcation strip, one or more protuberances are separately positioned on one or more openings peripheries, and the height extended towards first chamber from demarcation strip of the protuberance is higher than the liquid level or flush in first chamber.
Alternatively, one or more protuberances are formed by the turnup structure of the demarcation strip, or, one or more protuberances are formed respectively by the one or more barrier tubes extended towards first chamber from the demarcation strip, one end of each barrier tube be fixedly attached to an opening in one or more openings with one open communication.
Alternatively, the demarcation strip is generally horizontally disposed, and each described protuberance is higher by the height of demarcation strip between 1mm and 6mm.
Alternatively, at least a portion of the demarcation strip is arranged on the direction towards outlet be inclined to second chamber, and the protuberance is closer to outlet, the height for being higher by demarcation strip of the protuberance is bigger, preferably, the described at least one of angle of inclination of the demarcation strip relative to the longitudinal direction of upper header in the range of 1 ° to 6 °.
Alternatively, at least a portion of demarcation strip totally has inverted V-shaped shape along at least part of cross section of the longitudinal direction perpendicular to upper collector tube, and opening is correspondingly disposed in the top of inverted V-shaped shape, and the stop part is formed by the rake of inverted V-shaped shape.
Alternatively, at least a portion of demarcation strip has the shape to lower recess along at least part of cross section of the longitudinal direction perpendicular to upper collector tube, the opening is positioned above in the depression at the position of liquid levels, and the depression is used for the liquid collected in first chamber and forms the stop part.
Alternatively, along having rake perpendicular at least part of cross section of the longitudinal direction of upper collector tube, the opening is arranged on the higher side of the rake or higher than the rake at least a portion of demarcation strip, and the rake forms the stop part..
Alternatively, the first chamber is connected and in flow communication with the outlet.
Alternatively, demarcation strip along upper header longitudinal direction is totally V-shaped or wavy cross-section, corresponding to V-arrangement or corrugated the lowest point position, outlet is being set.
Alternatively, the position of neighbouring outlet is provided with the collection chamber being in fluid communication with first chamber in upper header so that the liquid being condensate on demarcation strip is collected in the collection chamber and is discharged by outlet.
Alternatively, two circuit heat exchangers that the heat exchanger goes out under entering under being, only arrange the stop part in first section corresponding with the first loop in closed circuit upstream of demarcation strip.
Alternatively, two circuit heat exchangers that the heat exchanger goes out under entering under being, only in first section corresponding with the first loop in closed circuit upstream of demarcation strip, opening is arranged on the top of inverted V-shaped shape, and in second section corresponding with the second servo loop in closed circuit downstream of demarcation strip, opening is arranged on the position less than liquid levels in first chamber of inverted V-shaped shape, and the rake of the inverted V-shaped shape in the second section plays guide functions.
Alternatively, two circuit heat exchangers that the heat exchanger goes out under entering under being, only in first section corresponding with the first loop in closed circuit upstream of demarcation strip, opening is arranged on the position higher than liquid levels in the depression of the depression, and in second section corresponding with the second servo loop in closed circuit downstream of demarcation strip, opening is arranged on the bottom of the depression, and the depression in the second section plays guide functions.
Alternatively, two circuit heat exchangers that the heat exchanger goes out under entering under being, only in first section corresponding with the first loop in closed circuit upstream of demarcation strip, opening is arranged on the higher side of the rake or higher than the rake, and in second section corresponding with the second servo loop in closed circuit downstream of demarcation strip, opening is arranged on the relatively low side of the rake, and the rake in the second section plays guide functions.
Alternatively, the barrier tube is also extended downward between the part in the insertion of adjacent heat exchange tubes in header.
According to heat exchanger of the present invention, do not change Outside Dimensions, do not change home loop, simple structure, can prevent heat exchanger tube from being blocked by refrigerant liquid so that heat exchanger tube can give full play to heat exchange action, heat exchange is uniform, improves the heat exchange efficiency of whole heat exchanger.
Description of the drawings
Fig. 1 is the front view of the heat exchanger 1 in vertical placement location according to an embodiment of the invention and partial enlargement cross-sectional view when seeing from left to right.
Fig. 2 shows the demarcation strip in heat exchanger according to an embodiment of the invention.
Fig. 3 shows the demarcation strip in heat exchanger according to another embodiment of the present invention.
Fig. 4 shows heat exchanger according to another embodiment of the present invention.
Fig. 5 shows heat exchanger according to another embodiment of the present invention.
Fig. 6 shows another arrangement form of the demarcation strip of heat exchanger according to another embodiment of the present invention.
Another arrangement form of demarcation strip and outlet in the heat exchanger that Fig. 7 shows according to another embodiment of the present invention.
Fig. 8-10 respectively illustrates the partial sectional view of the alternative form of the heat exchanger of the Fig. 1 intercepted along the direction vertical with the longitudinal direction of the upper header of the heat exchanger of Fig. 1, illustrated therein is various modifications of the cross section of demarcation strip in header.
Figure 11 shows the schematic diagram of heat exchanger according to another embodiment of the present invention.
Figure 12 shows the schematic diagram of heat exchanger according to another embodiment of the present invention.
Figure 13 shows the schematic diagram of heat exchanger according to another embodiment of the present invention.
Figure 14 shows the schematic diagram of heat exchanger according to another embodiment of the present invention.
Figure 15 shows the schematic diagram of heat exchanger according to another embodiment of the present invention.
Figure 16 shows the schematic diagram of heat exchanger according to another embodiment of the present invention.
Figure 17 shows the schematic diagram of heat exchanger according to another embodiment of the present invention.
Specific embodiment
For the undesirable problem of the heat exchange efficiency of heat exchanger, inventor has carried out substantial amounts of experiment and research, and finally found that the real causess for causing the problems referred to above.Inventor is had found by studying, such as micro-channel heat exchanger, its minitype channel is because size is little to having higher requirement by coolant state therein, especially easily it is blocked when coolant is under gas-liquid two-phase state or liquid, so as to cause the heat exchange of condenser each position uneven, heat exchange efficiency is finally reduced.Specifically, in the vertical micro-channel condenser placed, when the import of condenser is in condenser lower end, part micro-channel flat between the upper header of condenser and lower header can be blocked by refrigerant liquid, so as to cause this part micro-channel flat to give full play to heat exchange action, the heat exchange efficiency of whole condenser is reduced.For the single loop condenser of the vertical placement of bottom in and top out, above-mentioned blocking is easily produced in its underpart due to the power dropping of gaseous coolant and the self gravitation of liquid refrigerants from import micro-channel flat relatively far away from heat exchanger.The vertical placement gone out under entering under with the two circuit condenser in left and right, the first loop introduces from the bottom up gaseous coolant as condenser Upstream section, and second servo loop derives from top to bottom liquid refrigerants as condenser downstream section.A part of micro-channel flat of neighbouring second servo loop will produce above-mentioned blocking because liquid refrigerants is flowed in first loop.
The above-mentioned reason that thinks over a problem is paid no attention to based on the heat exchanger heat exchange efficiency of such as micro channel heat exchanger that causes for finding, the solution described in the present invention is inventors herein proposed.
The present invention is described in detail below in conjunction with accompanying drawing.
Fig. 1 is the front view of the heat exchanger 1 in vertical placement location according to an embodiment of the invention and partial enlargement cross-sectional view when seeing from left to right.In the present embodiment, heat exchanger 1 can be the condenser 1 used in refrigeration air-conditioner.Heat exchanger 1 includes upper header 2, lower header 3 and heat exchange department 4.Heat exchange department 4 includes being arranged at many heat exchanger tubes 41 between header 2 and lower header 3 and the fin 42 being arranged between adjacent heat exchanger tube 41.
In the present embodiment, heat exchanger tube 41 can be the micro-channel flat 41 being vertically arranged in juxtaposition.Left and right directions of the micro-channel flat 41 generally in Fig. 1 is i.e. along upper header 2 and the longitudinal direction arranged for interval of lower header 3.Fin 42 can be welded between adjacent micro-channel flat 41.
Upper header 2 and lower header 3 have multiple corresponding openings in its side facing with each other along its longitudinal direction arranged for interval respectively.Micro-channel flat 41 is inserted respectively in the corresponding opening on header 2 and lower header 3.By the way that micro-channel flat 41 to be hermetically fixedly connected respectively at upper header 2 with the corresponding opening of lower header 3 supreme header 2 and lower header 3.Micro-channel flat 41 is in fluid communication respectively with upper header 2 and lower header 3.
Heat exchanger 1 also includes the inlet tube 5 and the outlet 6 positioned at one end of upper header 2 of the one end for being located at lower header 3.In the present embodiment, the inlet tube 5 of heat exchanger 1 is located at the right-hand member of lower header 3, and outlet 6 is located at the right-hand member of upper header 2.
Tabular demarcation strip 7 is positioned generally horizontal in header 2 and with multiple circular opens 71.Demarcation strip 7 (is in particular gone up for 2 points generally by upper header for first chamber
Portion's chamber) 21 and second chamber (in particular lower chamber) 22.Part in the upper header 2 of the insertion of micro-channel flat 41 is located in lower chamber 22, i.e., positioned at the lower section of demarcation strip 7.The periphery of heat exchanger tube demarcation strip 7 is tightly connected with upper header 2 so that upper chamber 21 and lower chamber 22 are only in fluid communication via opening 71.The periphery of at least a portion opening 71 in multiple openings 71 has the hollow protrusion 72 for projecting upwards.Outlet 6 is arranged to upper surface of its minimum point less than the liquid film layer being formed on the upper surface of demarcation strip so that liquid refrigerants can be discharged by outlet 6 and flow into lower chamber 22 not across the top of hollow protrusion 72.
Fig. 2 shows the schematic diagram of the demarcation strip 7 in heat exchanger according to an embodiment of the invention 1.In the embodiment shown in Figure 2, protuberance 72 is the turnup structure formed by drawing process.For the demarcation strip 7 and the opening 71 of different-diameter of different-thickness, the protuberance 72 in turnup structure form has the differing heights of prominent demarcation strip 7.For example, in the case that the thickness in demarcation strip 7 is of about 2mm, when the diameter of opening 71 is of about 2mm, the height of protuberance 72 is of about 0.5mm.When the diameter of opening 71 is of about 3mm, the height of protuberance 72 is of about 1mm.When the diameter of opening 71 is of about 4mm, the height of protuberance 72 is of about 1.5mm.The diameter of opening 71 can be chosen according to the thickness of liquid film formed on demarcation strip.Turnup structure is used as the stop part of demarcation strip, enabling prevent the liquid in upper chamber 21 from being flowed in lower chamber 22 via the opening in the demarcation strip.
It will be understood by those skilled in the art that, it is that the circular opening 71 of above-described embodiment is merely exemplary and nonrestrictive, the shape of opening 71 is not limited to described embodiment, but the other shapes that can be contemplated that with those skilled in the art, such as triangle, square, rectangle, ellipse and Else Rule or irregular shape.It is easily understood that the cross section of the protuberance 72 with turnup structure form has and the identical shape of opening 71.Demarcation strip with turnup structure, it is not necessary to weld, directly uses after shaping, low cost.
Fig. 3 shows the schematic diagram of the demarcation strip 7 in heat exchanger according to another embodiment of the present invention 1.Demarcation strip 7 in the present embodiment is that protuberance 72 is not turnup structure with the difference of embodiment shown in Fig. 2, but its cross section has and the barrier tube 72 in the insertion opening 71 of the identical shape of opening 71.Barrier tube 72 has the external diameter roughly the same with the diameter of opening 71 and its lower end is fixed to demarcation strip.The height H for being higher by demarcation strip of barrier tube 72 can be about 1mm- about 6mm.Height H can determine according to the position of the concrete application of heat exchanger and outlet.Barrier tube is used as the stop part of demarcation strip, enabling prevent the liquid in upper chamber 21 from being flowed in lower chamber 22 via the opening in the demarcation strip.
Fig. 4 shows heat exchanger 1 according to another embodiment of the present invention.It is different from the embodiment shown in Fig. 1, in the embodiment shown in fig. 4, at the port of export of the upper header of heat exchanger 1 collection chamber 23 is provided with.Collection chamber 23 is in fluid communication with upper chamber 21.Collection chamber 23 can be limited by the vertical plate 73 and upper header 2 that are tightly connected with the lower portion of upper header 2.Vertical plate 73 can be formed by the way that the right-hand member section of demarcation strip 7 is bent downwardly.It is understood that vertical plate 73 can also be the single plate that the lower half with upper header 2 and demarcation strip 7 are connected.Collection chamber 23 is used to collect the coolant being condensate on demarcation strip 7.The coolant being collected discharges heat exchanger 1 by outlet 6.Outlet 6 can be arranged to upper surface or flush of its minimum point less than demarcation strip 7.
Fig. 5 shows heat exchanger 1 according to another embodiment of the present invention.In this embodiment, as the right-hand member for being arranged on upper header 2 shown in Fig. 4 outlet 6 replacement, outlet 6 is arranged on the middle part of header 2.Correspondingly, collection chamber 23 can be arranged on demarcation strip with the corresponding position of outlet 6.
Fig. 6 shows another arrangement form of the demarcation strip 7 of heat exchanger 1 according to another embodiment of the present invention.Different from horizontally disposed demarcation strip 7 in the embodiment shown in Fig. 1, in the embodiment shown in fig. 6, demarcation strip 7 is obliquely installed in the way of being gradually lowered by the outlet 6 towards right-hand member.According to the length and size of upper header 6, the angle of demarcation strip 7 and horizontal plane, here can be described as angle of inclination, be of about 1 °-about 6 °.Although it is understood that demarcation strip 7 is inclined by arranging, can be generally in same level as the upper end of the barrier tube 72 of protuberance 72.In other words, in the embodiment shown in fig. 6, the length of barrier tube 72 is change, and is gradually being increased towards length on the direction of outlet 6.Certainly, according to concrete application, the upper end of barrier tube 72 can also be not in same level, as long as the horizontal plane residing for the minimum barrier tube in upper end is higher than the liquid level of the liquid on demarcation strip.
Another arrangement form of demarcation strip 7 and outlet 6 in the heat exchanger 1 that Fig. 7 shows according to another embodiment of the present invention.In the embodiment shown in fig. 7, outlet 6 is arranged on the middle part of header 7.Along the longitudinal direction substantially forming V-shape of upper header 2, i.e. the left and right two ends of demarcation strip 7 are respectively facing inclining with the corresponding centre position of outlet 6 for demarcation strip 7 to demarcation strip 7.It is easily understood that being respectively facing gradually increasing with the corresponding centre position of outlet 6 for demarcation strip 7 from the left and right two ends of demarcation strip 7 as the length of the barrier tube 72 of protuberance 72.In other words, in the embodiment shown in fig. 7, the length of barrier tube 72 is change.Similar with the embodiment shown in Fig. 6, the upper end of barrier tube 72 can be generally in same level.Certainly, according to concrete application, the upper end of barrier tube 72 can also be not in same level, as long as the horizontal plane residing for the minimum barrier tube in upper end is higher than the liquid level of the liquid on demarcation strip.It is appreciated that when heat exchanger 1 has multiple outlets, demarcation strip can be waveform along the longitudinal direction of upper header 2.Corrugated the lowest point can be corresponded to multiple outlets 6 are set.
Fig. 8-10 respectively illustrates the partial sectional view of the alternative form of the heat exchanger 1 of the Fig. 1 intercepted along the direction vertical with the longitudinal direction of the upper header 2 of the heat exchanger 1 of Fig. 1, illustrated therein is various modifications of the cross section of demarcation strip 7 in header 2.In the embodiment shown in fig. 8, the cross section of demarcation strip 7 is inverted V-shaped and there is no protuberance at opening 71.At the top of inverted V-shaped demarcation strip 7, opening 71 is set.Liquid level of the peak of the V-arrangement that the opening 71 of demarcation strip 7 is located higher than the coolant in the flowing of the both sides of demarcation strip 7.The rake of inverted V-shaped shape is used as the stop part of demarcation strip, enabling prevent the liquid in upper chamber 21 from being flowed in lower chamber 22 via the opening in the demarcation strip.In the embodiment shown in fig. 9, the cross section of demarcation strip 7 is downward projection of depression, preferably arc.The longitudinal direction of header 2 arranges multiple openings 71 at multiple positions of header 2 on the one or both sides of arc.Coolant flows in curved bottom.The curved portions less than opening of arc are used as the stop part of demarcation strip, enabling prevent the liquid in upper chamber 21 from being flowed in lower chamber 22 via the opening in the demarcation strip.In the embodiment shown in fig. 10, demarcation strip 7 is inclined relative to horizontal setting.Opening 71 is set at multiple positions of header 2 on the upper side of demarcation strip 7 is neighbouring.The rake less than opening of the demarcation strip being obliquely installed is used as the stop part of demarcation strip, enabling prevent the liquid in upper chamber 21 from being flowed in lower chamber 22 via the opening in the demarcation strip.It is easily understood that, as long as at least a portion of above-mentioned demarcation strip can have inverted V-shaped shape along at least part of cross section of the longitudinal direction perpendicular to upper collector tube, to the shape of lower recess, either rake etc. coordinates the liquid for accommodating first chamber with the liquid of receiving first chamber or with afflux tube wall, can be achieved with the inventive concept of the present invention.Those skilled in the art can carry out arbitrarily adjustment without deviating from protection scope of the present invention to the ratio in demarcation strip and its cross section using present inventive concept.Protuberance can also be provided with the opening of the demarcation strip of these special shapes in addition.
Figure 11 shows the schematic diagram of heat exchanger 1 according to another embodiment of the present invention.Compared with the heat exchanger 1 shown in Fig. 1, be provided with multiple vertical demarcation strips 8 in the upper header 2 of the heat exchanger 1 shown in Figure 11, the vertical separating plate 8 is located at the lower section of demarcation strip 7 and the longitudinal direction along upper header 2 be spaced apart with by 22 points of lower chamber as N parts.Such design upper header 2 long for length is useful especially so that can more prevent flat tube to be blocked, be conducive to evenly distributing for coolant.
Figure 12 shows the schematic diagram of heat exchanger 1 according to another embodiment of the present invention.In this embodiment, heat exchanger 1 be adopt under enter under two circuit heat exchangers that go out.Different from the demarcation strip 7 in the upper header 2 of the heat exchanger 1 shown in Fig. 1, there is protuberance 72 in the demarcation strip 7 in the upper header 2 of the heat exchanger 1 shown in Figure 12 on the opening 71 only in left side section corresponding with first loop in left side.There is no the protuberance for hindering liquid refrigerants to flow downward on opening 71 in right side corresponding with the second servo loop on the right side section of demarcation strip 7.Protuberance 72 can be the barrier tube shown in turnup structure or Fig. 3 shown in Fig. 2.
Figure 13 shows the schematic diagram of heat exchanger 1 according to another embodiment of the present invention.In this embodiment, protuberance 72 can be the barrier tube shown in Fig. 3.It is different from the demarcation strip 7 shown in Figure 12, the section corresponding with first loop in left side of the demarcation strip 7 in heat exchanger 1 shown in Figure 13 is inclined along the longitudinal direction of heat exchanger 1, and be gradually lowered towards section corresponding with the second servo loop on right side, i.e. the length of barrier tube is gradually increasing towards on the direction of the second section, the coolant for enabling the left side section condensation in demarcation strip 7 is flowed on the section of right side, and is downwardly into second servo loop by the opening 71 on the section of right side.
Figure 14 shows the schematic diagram of heat exchanger 1 according to another embodiment of the present invention.It is that the cross section of the demarcation strip 7 of the heat exchanger 1 shown in Figure 14 is there is no the protuberance for projecting upwards at inverted V-shaped and opening 71 with the difference of the tabular demarcation strip 7 shown in Figure 12.At the top of left side corresponding with the first loop section of inverted V-shaped demarcation strip 7, opening 71 is set.Liquid level of the peak of the inverted V-shaped that the opening 71 of demarcation strip 7 is located higher than the coolant in the flowing of the both sides of demarcation strip 7.In the right side section corresponding with second servo loop of demarcation strip 7, opening 71 is arranged on the one or both sides of inverted V-shaped demarcation strip 7 at multiple positions of neighbouring upper header 2 along the longitudinal direction of upper header 2.The opening 71 being arranged such also causes demarcation strip 7 to have coolant distribution function so that coolant is uniformly distributed in each micro-channel flat 41 of second servo loop.It is understood that demarcation strip 7 can also be similar to Figure 9 arc demarcation strip and Figure 10 shown in inclination demarcation strip.When demarcation strip 7 is arc demarcation strip, the opening 71 in the left side section of demarcation strip 7 is arranged on curved bottom similar to the opening arranged in Fig. 8, the opening 71 in the right side section of demarcation strip 7.When demarcation strip 7 is to incline demarcation strip, the opening 71 in the left side section of demarcation strip 7 is arranged on the relatively downside of demarcation strip 7 adjacent to the position of upper header 2 similar to the opening arranged in Figure 10, the opening 71 in the right side section of demarcation strip 7.
Figure 15 shows the schematic diagram of heat exchanger 1 according to another embodiment of the present invention.It is that protuberance 72 is not only projected upwards with the difference of the demarcation strip 7 shown in Figure 12, and is downwardly projected so that the low portion of protuberance 72 is located between the part in the insertion of adjacent microchannel flat tube 41 in header 2.Protuberance 72 is affixed to the barrier tube in opening 71.The upper end of the upper part of protuberance 72 and the lower end of low portion can be respectively at the total height of same level, i.e. protuberance 72 or barrier tube and keep substantially constant.It is downwardly between adjacent microchannel flat tube 41 by barrier tube, barrier tube extends to the coolant liquid level lower section in lower chamber 22, the resistance for flowing is enabled to force the liquid that lower chamber is gathered to rise in upper chamber 21, so as to reduce the liquid retained in lower chamber 21, reduce the probability for even preventing micro-channel flat 41 blocked.
Figure 16 shows the schematic diagram of heat exchanger 1 according to another embodiment of the present invention.It is with the difference of the demarcation strip 7 shown in Figure 15, the section corresponding with first loop in left side of the demarcation strip 7 of the heat exchanger 1 shown in Figure 16 is inclined along the longitudinal direction of heat exchanger 1, and gradually reduce towards section corresponding with the second servo loop on right side, enable in the right side horizontal section that the coolant condensed on the left side section of demarcation strip 7 flows demarcation strip 7, and to flow downwardly into second servo loop by the opening 71 in the horizontal section of right side.The height of the upper part of protuberance 72 increases with the reduction of the left side section of demarcation strip 7, and the height of the low portion of protuberance 72 correspondingly reduces with the reduction of the left side section of demarcation strip 7.As shown in Figure 16, the lower end of the upper end of the upper part of protuberance 72 and low portion can be respectively at same level, protuberance 72 or barrier tube total height keep it is substantially constant.
Figure 17 shows the schematic diagram of heat exchanger 1 according to another embodiment of the present invention.Shape of cross section of the shape of cross section of the demarcation strip 7 of the heat exchanger 1 shown in Figure 17 similar to the inverted V-shaped demarcation strip 7 shown in Figure 14.There is downward projection of protuberance 72 with the left side section that the difference of the demarcation strip 7 shown in Figure 14 is the demarcation strip 7 illustrated in Figure 17 so that protuberance 72 is located between the part in the insertion of adjacent microchannel flat tube 41 in header 2.It is understood that demarcation strip 7 can also be similar to Figure 9 arc demarcation strip and Figure 10 shown in inclination demarcation strip.When demarcation strip 7 is arc demarcation strip, similar to the opening arranged in Fig. 8 and with downward projection of protuberance 72, the opening 71 in the right side section of demarcation strip 7 is arranged on curved bottom and there is no protuberance the opening 71 in the left side section of demarcation strip 7.When demarcation strip 7 is to incline demarcation strip, similar to the opening 71 arranged in Figure 10 and with downward projection of protuberance 72, the opening 71 in the right side section of demarcation strip 7 is arranged on the relatively downside of demarcation strip 7 adjacent to the position of upper header 2 and there is no protuberance opening 71 in the left side section of demarcation strip 7.
Although for purposes of illustration it is now recognized that to the present invention have been described in detail on the basis of most practical and most preferred embodiment, but will be understood that, these details are used for the purpose of the purpose, and the present invention is not limited to these disclosed embodiments, but conversely, it is contemplated that cover the change in the spirit and scope of appending claims and equivalent arrangements.For example, it will be understood that the present invention is it is contemplated that one or more features of any embodiment can be with one or more combinations of features of any other embodiment in possible degree.
Reference numerals list：
Heat exchanger 1
Upper header 2
Upper chamber 21
Lower chamber 22
Collection chamber 23
Lower header 3
Heat exchange department 4
Heat exchanger tube 41
Fin 42
Inlet tube 5
Outlet 6
Demarcation strip 7
Opening 71
Protuberance 72
Vertical plate 73
Vertical separating plate 8.
Claims (16)
1. a kind of heat exchanger, the heat exchanger includes：
Inlet tube；
Outlet, the coolant in heat exchanger is discharged via outlet；
Upper header, is provided with demarcation strip on described in header, the demarcation strip is by upper collection
Flow tube is at least divided into first chamber and second chamber, at least one is provided with demarcation strip and is opened
Mouth, the first chamber and the second chamber are by the open fluid communication；
Lower header, itself and import fluid communication；With
Heat exchange department, it is located between header and lower header, and including many heat exchange
Pipe and the fin between adjacent heat exchange tubes, heat exchanger tube respectively with the second chamber of upper header
It is in fluid communication with lower header,
Wherein, the demarcation strip has one or more stop parts, and the stop part is set
Into prevent first chamber in liquid via at least one opening in it is one or more
Opening is flowed in second chamber.
2. heat exchanger according to claim 1, it is characterised in that one or more
Multiple stop parts are the one or more protrusions extended towards first chamber from the demarcation strip
Portion, one or more protuberances are separately positioned on one or more openings weeks
Edge, the height extended towards first chamber from demarcation strip of the protuberance is higher than in first chamber
Liquid level or flush.
3. heat exchanger according to claim 2, it is characterised in that
One or more protuberances are formed by the turnup structure of the demarcation strip, or
One or more protuberances towards first chamber from the demarcation strip respectively by prolonging
The one or more barrier tubes stretched are formed, and one end of each barrier tube is fixedly attached to institute
State one in one or more openings opening with the open communication.
4. heat exchanger according to claim 2, it is characterised in that the demarcation strip is big
Cause to be horizontally disposed with, each described protuberance is higher by the height of demarcation strip between 1mm and 6mm.
5. heat exchanger according to claim 2, it is characterised in that the demarcation strip
At least a portion is arranged on the direction towards outlet be inclined to second chamber, and described prominent
Go out portion closer to outlet, the height for being higher by demarcation strip of the protuberance is bigger, it is preferable that
Longitudinal direction side of the described at least one of angle of inclination of the demarcation strip relative to upper header
To in the range of 1 ° to 6 °.
6. heat exchanger according to claim 1, it is characterised in that demarcation strip is at least
A part totally has along at least part of cross section of the longitudinal direction perpendicular to upper collector tube
V-shape, opening is correspondingly disposed in the top of inverted V-shaped shape, and the stop part is by V
The rake of shape is formed.
7. heat exchanger according to claim 1, it is characterised in that demarcation strip is at least
A part has to recessed along at least part of cross section of the longitudinal direction perpendicular to upper collector tube
Sunken shape, the opening is positioned above in the depression at the position of liquid levels, described
It is recessed for collecting liquid in first chamber and forming the stop part.
8. heat exchanger according to claim 1, it is characterised in that demarcation strip is at least
A part has rake along at least part of cross section of the longitudinal direction perpendicular to upper collector tube,
The opening is arranged on the higher side of the rake or higher than the rake, described
Rake forms the stop part.
9. the heat exchanger according to any one of claim 1-8, it is characterised in that
The first chamber is connected and in flow communication with the outlet.
10. heat exchanger according to claim 9, it is characterised in that demarcation strip is along upper
The longitudinal direction of header is totally V-shaped or wavy cross-section, corresponding to V-arrangement or waveform
The lowest point position arrange outlet.
11. heat exchangers according to claim 9, it is characterised in that in upper header
The position of interior neighbouring outlet is provided with the collection chamber being in fluid communication with first chamber so that cold
Coagulate the liquid on demarcation strip to be collected in the collection chamber and discharge by outlet.
12. heat exchangers according to claim 1, it is characterised in that the heat exchange
Two circuit heat exchangers that device goes out under entering under being, only demarcation strip with closed circuit upstream
Corresponding first section in the first loop in the stop part is set.
13. heat exchangers according to claim 6, it is characterised in that
Two circuit heat exchangers that the heat exchanger goes out under entering under being,
Only in first section corresponding with the first loop in closed circuit upstream of demarcation strip
Interior, opening is arranged on the top of inverted V-shaped shape, and
In second section corresponding with the second servo loop in closed circuit downstream of demarcation strip,
Opening is arranged on the position less than liquid levels in first chamber of inverted V-shaped shape, the second section
In inverted V-shaped shape rake rise guide functions.
14. heat exchangers according to claim 7, it is characterised in that
Two circuit heat exchangers that the heat exchanger goes out under entering under being, only follow in demarcation strip with being in
In corresponding first section in first loop of loop back path upstream, opening is arranged on the height of the depression
The position of liquid levels in the depression, and
In second section corresponding with the second servo loop in closed circuit downstream of demarcation strip,
Opening is arranged on the bottom of the depression, and the depression in the second section plays guide functions.
15. heat exchangers according to claim 8, it is characterised in that
Two circuit heat exchangers that the heat exchanger goes out under entering under being, only follow in demarcation strip with being in
In corresponding first section in first loop of loop back path upstream, opening is arranged on the rake
Higher side or higher than the rake, and
In second section corresponding with the second servo loop in closed circuit downstream of demarcation strip,
Opening is arranged on the relatively low side of the rake, and the rake in the second section plays water conservancy diversion and makees
With.
16. heat exchangers according to any one of claim 3-5, it is characterised in that
The barrier tube is also extended downward between the part in the insertion of adjacent heat exchange tubes in header.
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| CN201510695218.8A CN106610151B (en) | 2015-10-22 | 2015-10-22 | A kind of heat exchanger |
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| CN201510695218.8A CN106610151B (en) | 2015-10-22 | 2015-10-22 | A kind of heat exchanger |
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| CN106610151A true CN106610151A (en) | 2017-05-03 |
| CN106610151B CN106610151B (en) | 2019-05-07 |
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| CN201510695218.8A Active CN106610151B (en) | 2015-10-22 | 2015-10-22 | A kind of heat exchanger |
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| CN107252985A (en) * | 2017-05-09 | 2017-10-17 | 柳州申通汽车科技有限公司 | A kind of assembly method of automotive air-conditioning condenser |
| JPWO2020245982A1 (en) * | 2019-06-06 | 2020-12-10 | ||
| CN112789456A (en) * | 2019-09-11 | 2021-05-11 | 开利公司 | Heat exchanger assembly |
| CN113513932A (en) * | 2021-04-26 | 2021-10-19 | 浙江银轮机械股份有限公司 | Heat exchanger and system thereof |
| CN114149045A (en) * | 2020-11-13 | 2022-03-08 | 山东大学 | Heat exchanger and sea water desalination device of boats and ships waste gas waste heat |
| CN114477344A (en) * | 2020-11-13 | 2022-05-13 | 山东大学 | Seawater desalination device using waste gas and waste heat of ejector |
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| CN114477344A (en) * | 2020-11-13 | 2022-05-13 | 山东大学 | Seawater desalination device using waste gas and waste heat of ejector |
| CN114477344B (en) * | 2020-11-13 | 2023-10-10 | 山东大学 | Sea water desalination device by waste heat of jet device waste gas |
| CN113513932A (en) * | 2021-04-26 | 2021-10-19 | 浙江银轮机械股份有限公司 | Heat exchanger and system thereof |
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| CN106610151B (en) | 2019-05-07 |
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