CN106610151B - A kind of heat exchanger - Google Patents
A kind of heat exchanger Download PDFInfo
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- CN106610151B CN106610151B CN201510695218.8A CN201510695218A CN106610151B CN 106610151 B CN106610151 B CN 106610151B CN 201510695218 A CN201510695218 A CN 201510695218A CN 106610151 B CN106610151 B CN 106610151B
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Abstract
The present invention provides a kind of heat exchanger, and the heat exchanger includes: inlet tube；Outlet, the refrigerant in heat exchanger are discharged via outlet；Upper header, demarcation plate is provided in the upper header, upper header is at least divided into first chamber and second chamber by the demarcation plate, and at least one opening is provided in demarcation plate, and the first chamber and the second chamber pass through the open fluid communication；Lower header, with import fluid communication；And heat exchange department, it is between upper header and lower header, and including more heat exchanger tubes and the fin between adjacent heat exchange tubes, heat exchanger tube is in fluid communication with the second chamber of upper header and lower header respectively, wherein, the demarcation plate has one or more blocking portions, and the blocking portion is configured to that the liquid in first chamber is prevented to be flowed into second chamber via one or more openings in at least one opening.
Description
Technical field
This application involves a kind of heat exchangers, and more particularly to a kind of condenser for refrigeration air-conditioner.
Background technique
In field of Refrigeration and Air-conditioning, condenser is one of the core component that refrigeration cycle is completed in process of refrigerastion.It is such as micro- logical
For channel heat exchanger since it is big with environment contact area, heat exchanger effectiveness is high and becomes what present field of Refrigeration and Air-conditioning was widely used
Condenser form.
But the heat exchanger of such as micro channel heat exchanger in actual use, heat exchange efficiency is not
The height of anticipation, heat exchange efficiency are not especially desirable.Those skilled in the art weld also by means such as dissection heat exchangers from it
It connects technique, manufacturing technology etc. to study undesirable heat exchange efficiency, but is effectively mentioned again without one kind is found
The solution of the practical heat exchange efficiency of high heat exchanger.
Accordingly, there exist the demands improved to heat exchanger in refrigeration air-conditioner.
Summary of the invention
The purpose of the present invention is overcoming the disadvantages mentioned above of existing heat exchanger, so that heat exchanger heat exchange is uniformly, raising is changed
The thermal efficiency.
The present invention provides a kind of heat exchanger, and the heat exchanger may include:
Inlet tube；
Outlet, the refrigerant in heat exchanger are discharged via outlet；
Upper header, is provided with demarcation plate in the upper header, and upper header is at least divided by the demarcation plate
First chamber and second chamber, are provided at least one opening in demarcation plate, and the first chamber and the second chamber are logical
Cross the open fluid communication；
Lower header, with import fluid communication；With
Heat exchange department changes between upper header and lower header, and including more heat exchanger tubes and positioned at adjacent
Fin between heat pipe, heat exchanger tube are in fluid communication with the second chamber of upper header and lower header respectively,
Wherein, the demarcation plate has one or more blocking portions, and the blocking portion is configured to prevent first chamber
In liquid be flowed into second chamber via one or more openings in at least one opening.
Optionally, one or more blocking portion is one extended from the demarcation plate towards first chamber or more
Multiple protruding portion, one or more protruding portion is separately positioned on the periphery of one or more opening, described prominent
The height that the slave demarcation plate in portion extends towards first chamber out is higher than the liquid level or flush in first chamber.
Optionally, one or more protruding portion is formed by the turnup structure of the demarcation plate, alternatively, one
Or more protruding portion formed respectively by one or more blocking pipes extended from the demarcation plate towards first chamber, each
The opening that described one end for stopping pipe is fixedly attached in one or more opening with one opening to connect
It is logical.
Optionally, the demarcation plate is generally horizontally disposed, each protruding portion be higher by the height of demarcation plate in 1mm and
Between 6mm.
Optionally, at least part of the demarcation plate is arranged to incline on the direction towards outlet to second chamber
Tiltedly, and the protruding portion is closer to outlet, and the height for being higher by demarcation plate of the protruding portion is bigger, it is preferable that the separation
At least part of tilt angle of plate relative to upper header longitudinal direction in the range of 1 ° to 6 °.
Optionally, at least part of demarcation plate is total along at least partly cross section of the longitudinal direction perpendicular to upper collector tube
Body has inverted V-shaped shape, and opening is correspondingly disposed in the top of inverted V-shaped shape, and the blocking portion is by the rake shape of inverted V-shaped shape
At.
Optionally, at least partly transversal mask of at least part of demarcation plate along the longitudinal direction perpendicular to upper collector tube
The shape of oriented lower recess, the opening are positioned above in the recess at the position of liquid levels, and the recess is for receiving
Collect the liquid in first chamber and forms the blocking portion.
Optionally, at least partly transversal mask of at least part of demarcation plate along the longitudinal direction perpendicular to upper collector tube
There is rake, the higher side of the rake is arranged in or higher than the rake, the rake shape in described be open
At the blocking portion.
Optionally, the first chamber is connect and in flow communication with the outlet.
Optionally, demarcation plate is along the longitudinal direction of upper header is totally V-shaped or wavy cross-section, correspond to V-arrangement or
Outlet is arranged in wavy the lowest point position.
Optionally, the position of neighbouring outlet is provided with the collecting chamber being in fluid communication with first chamber in upper header
Room, so that the liquid being condensate on demarcation plate is collected in the collection chamber and is discharged by outlet.
Optionally, under the heat exchanger is into it is lower go out two circuit heat exchangers, only demarcation plate in circulation
The setting blocking portion in corresponding first section in first circuit of circuit upstream.
Optionally, under the heat exchanger is into it is lower go out two circuit heat exchangers, only demarcation plate in circulation
In corresponding first section in first circuit of circuit upstream, opening is arranged in the top of inverted V-shaped shape, and in demarcation plate and place
In in corresponding second section of second servo loop in circulation loop downstream, opening be arranged in inverted V-shaped shape lower than liquid in first chamber
The rake of the position in body fluid face, the inverted V-shaped shape in the second section plays guide functions.
Optionally, under the heat exchanger is into it is lower go out two circuit heat exchangers, only demarcation plate in circulation
In corresponding first section in first circuit of circuit upstream, opening be arranged in the recess be higher than the recess in liquid levels
Position, and in demarcation plate in corresponding second section of the second servo loop in circulation loop downstream, opening setting exists
The bottom of the recess, the recess in the second section play guide functions.
Optionally, under the heat exchanger is into it is lower go out two circuit heat exchangers, only demarcation plate in circulation
In corresponding first section in first circuit of circuit upstream, opening is arranged in the higher side of the rake or is higher than institute
Rake is stated, and in the second section corresponding with the second servo loop in circulation loop downstream is in of demarcation plate, opening setting
In the lower side of the rake, the rake in the second section plays guide functions.
Optionally, between the part in the insertion for stopping pipe also to extend downward into adjacent heat exchange tubes in header.
Heat exchanger according to the present invention does not change Outside Dimensions, does not change home loop, and structure is simple, can be with
It prevents heat exchanger tube from being blocked by refrigerant liquid, heat exchanger tube is enabled to give full play to heat exchange action, heat exchange uniformly, improves entire
The heat exchange efficiency of heat exchanger.
Detailed description of the invention
Fig. 1 be the heat exchanger 1 according to an embodiment of the invention in vertical placement location front view and
Partial enlargement cross-sectional view when seeing from left to right.
Fig. 2 shows the demarcation plates in heat exchanger according to an embodiment of the invention.
Fig. 3 shows the demarcation plate 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 plate of heat exchanger according to another embodiment of the present invention.
Fig. 7 shows another arrangement shape of demarcation plate and outlet in heat exchanger according to another embodiment of the present invention
Formula.
Fig. 8-10 is respectively illustrated along the direction interception vertical with the longitudinal direction of upper header of the heat exchanger of Fig. 1
The a variety of of the cross section of demarcation plate in header are shown in the partial sectional view of the alternative form of the heat exchanger of Fig. 1
Modification.
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 diagrames 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 a large amount of experiment and research, and most
The real causes for leading to the above problem is had found eventually.Inventors discovered through research that such as micro-channel heat exchanger, minitype channel
Due to size is small and to by refrigerant state requirement with higher therein, be especially in gas-liquid two-phase state or liquid in refrigerant
It is easy to be blocked when under state, it is uneven so as to cause the heat exchange of condenser each position, finally reduce heat exchange efficiency.Specifically, perpendicular
In the micro-channel condenser directly placed, when the import of condenser is at condenser lower end, the upper header and lower header of condenser
Part micro-channel flat between pipe can be blocked by refrigerant liquid, can not sufficiently be sent out so as to cause this part micro-channel flat
Heat exchange action is waved, the heat exchange efficiency of entire condenser is reduced.For the single loop condenser of bottom in and top out placed vertically,
Heat exchanger from import micro-channel flat relatively far away from due to gaseous coolant power dropping and liquid refrigerants from
Body gravity is easy to generate above-mentioned blocking in its underpart.For under into it is lower go out place vertically have left and right it is two circuit cold
Condenser, the first circuit introduce gaseous coolant as condenser Upstream section from the bottom up, second servo loop as condenser downstream section from
On export liquid refrigerants down.A part of micro-channel flat of neighbouring second servo loop will be because of inflow liquid refrigerants in first circuit
And generate above-mentioned blocking.
The heat exchanger heat exchange efficiency for leading to such as micro channel heat exchanger based on discovery pays no attention to the above-mentioned reason to think over a problem,
Inventors herein propose solution documented by the present invention.
Below in conjunction with attached drawing the present invention is described in detail.
Fig. 1 be the heat exchanger 1 according to an embodiment of the invention in vertical placement location front view and
Partial enlargement cross-sectional view when seeing from left to right.In the present embodiment, heat exchanger 1 can be used in refrigeration air-conditioner
Condenser 1.Heat exchanger 1 includes upper header 2, lower header 3 and heat exchange department 4.Heat exchange department 4 includes being set to collection
More heat exchanger tubes 41 between flow tube 2 and lower header 3 and the fin 42 being set 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.Micro-channel flat 41
Left and right directions generally in Fig. 1 is the longitudinal direction arranged for interval along upper header 2 and lower header 3.Fin 42 can be with
It is welded between adjacent micro-channel flat 41.
It is multiple right that upper header 2 and lower header 3 have in its lateral edge facing with each other its longitudinal direction arranged for interval respectively
The opening answered.Micro-channel flat 41 is inserted into the corresponding opening on header 2 and lower header 3 respectively.By by microchannel
Flat tube 41 is hermetically fixedly connected with supreme header 2 and lower header respectively at upper header 2 with the corresponding opening of lower header 3
Pipe 3.Micro-channel flat 41 is in fluid communication with upper header 2 and lower header 3 respectively.
Heat exchanger 1 further includes positioned at the inlet tube 5 of one end of lower header 3 and going out positioned at one end of upper header 2
Mouth pipe 6.In the present embodiment, the inlet tube 5 of heat exchanger 1 is located at the right end of lower header 3, and outlet 6 is located at upper header 2
Right end.
Tabular demarcation plate 7 is positioned generally horizontal in header 2 and has multiple circular opens 71.Demarcation plate 7
Generally upper header 2 is divided for first chamber (in particular upper chamber) 21 and second chamber (in particular lower chamber
Room) 22.The part that micro-channel flat 41 is inserted into upper header 2 is located in lower chamber 22, that is, is located at 7 lower section of demarcation plate.It changes
The periphery of heat pipe demarcation plate 7 and upper header 2 are tightly connected, so that upper chamber 21 and lower chamber 22 are only flowed via opening 71
Body connection.The periphery of at least part opening 71 in multiple openings 71 has the hollow protrusion 72 projected upwards.Outlet 6
It is arranged to the upper surface that its minimum point is lower than the liquid film layer being formed on the upper surface of demarcation plate, liquid refrigerants be passed through
Outlet 6 is discharged and flows into lower chamber 22 not across the top of hollow protrusion 72.
Fig. 2 shows the schematic diagrames of the demarcation plate 7 in heat exchanger 1 according to an embodiment of the invention.It is shown in Fig. 2
Embodiment in, protruding portion 72 be by drawing process formed turnup structure.For different-thickness demarcation plate 7 with it is difference straight
The opening 71 of diameter has the different height of prominent demarcation plate 7 in the protruding portion 72 of turnup structure form.For example, in demarcation plate 7
In the case where with a thickness of about 2mm, when the diameter of opening 71 is about 2mm, the height of protruding portion 72 is about 0.5mm.When
When the diameter of opening 71 is about 3mm, the height of protruding portion 72 is about 1mm.When the diameter of opening 71 is about 4mm, dash forward
The height in portion 72 is about 1.5mm out.The diameter of opening 71 can be chosen according to the thickness of liquid film formed on demarcation plate.Flange knot
Structure is used as the blocking portion of demarcation plate, makes it possible to prevent the liquid in upper chamber 21 to flow into via the opening in the demarcation plate
Into lower chamber 22.
It will be appreciated by persons skilled in the art that the circular opening 71 of above-described embodiment be only exemplary rather than
Restrictive, 71 shape of being open is not limited to the embodiment described, but can have those skilled in the art to be contemplated that
Other shapes, such as triangle, square, rectangle, ellipse and Else Rule or irregular shape.It is readily comprehensible
It is that the cross section of the protruding portion 72 with turnup structure form has and 71 identical shapes of opening.Point with turnup structure
Partition is not needed to weld, directly be used after forming, at low cost.
Fig. 3 shows the schematic diagram of the demarcation plate 7 in heat exchanger 1 according to another embodiment of the present invention.The present embodiment
In demarcation plate 7 and Fig. 2 shown in embodiment the difference is that, the not instead of turnup structure of protruding portion 72, cross section
With with opening 71 identical shapes insertion opening 71 in blocking pipe 72.Pipe 72 is stopped to have with the diameter of opening 71 substantially
Identical outer diameter and its lower end is fixed to demarcation plate.The height H for being higher by demarcation plate of pipe 72 is stopped to can be about 1mm- big
About 6mm.Height H can be determined according to the position of the concrete application of heat exchanger and outlet.Stop pipe to be used as to divide
The blocking portion of partition makes it possible to prevent the liquid in upper chamber 21 to be flowed into lower chamber via the opening in the demarcation plate
In room 22.
Fig. 4 shows heat exchanger 1 according to another embodiment of the present invention.It is different from embodiment shown in FIG. 1, scheming
In embodiment shown in 4, collection chamber 23 is provided at the outlet end of the upper header of heat exchanger 1.Collection chamber 23 with it is upper
Portion's chamber 21 is in fluid communication.Collection chamber 23 can be by the vertical plate 73 that is tightly connected with the lower portion of upper header 2 and upper
Header 2 limits.Vertical plate 73 can be to be formed and being bent downwardly the right end section of demarcation plate 7.It is understood that
Vertical plate 73 is also possible to the individual plate connecting with the lower half of upper header 2 and demarcation plate 7.Collection chamber 23 is for collecting
The refrigerant being condensate on demarcation plate 7.Heat exchanger 1 is discharged by outlet 6 in the refrigerant being collected.Outlet 6 can be set into
Its minimum point is lower than the upper surface or flush of demarcation plate 7.
Fig. 5 shows heat exchanger 1 according to another embodiment of the present invention.In this embodiment, as shown in Fig. 4
The substitution of the outlet 6 of the right end of upper header 2 is set, and the middle part of upper header 2 is arranged in outlet 6.Correspondingly, it collects
Chamber 23 can be set in the position corresponding with outlet 6 of demarcation plate.
Fig. 6 shows another arrangement form of the demarcation plate 7 of heat exchanger 1 according to another embodiment of the present invention.With
Horizontally disposed demarcation plate 7 is different in embodiment shown in FIG. 1, and in the embodiment shown in fig. 6, demarcation plate 7 is by right with direction
The mode that the outlet 6 at end gradually decreases is obliquely installed.According to the length and size of upper header 6, demarcation plate 7 and horizontal plane
Angle can be described as tilt angle herein, be about 1 °-about 6 °.It is understood that although demarcation plate 7 is inclined by setting,
It is that the upper end of the blocking pipe 72 as protruding portion 72 can be generally in same level.In other words, reality shown in Fig. 6
It applies in example, stopping the length of pipe 72 is variation, and length gradually increases on the direction towards outlet 6.Certainly, according to tool
Body application stops the upper end of pipe 72 that can also be not in same level, as long as the level for stopping pipe locating that upper end is minimum
Face is higher than the liquid level of the liquid on demarcation plate.
Fig. 7 shows another cloth of demarcation plate 7 and outlet 6 in heat exchanger 1 according to another embodiment of the present invention
Set form.In the embodiment shown in fig. 7, the middle part of upper header 7 is arranged in outlet 6.Demarcation plate 7 is along upper header 2
Longitudinal direction substantially forming V-shape, the i.e. left and right ends of demarcation plate 7 are respectively facing the interposition corresponding with outlet 6 of demarcation plate 7
Set inclination.It is easily understood that the length of the blocking pipe 72 as protruding portion 72 is respectively facing point from the left and right ends of demarcation plate 7
The middle position corresponding with outlet 6 of partition 7 gradually increases.In other words, in the embodiment shown in fig. 7, stop pipe 72
Length be variation.It is similar with embodiment shown in fig. 6, stop the upper end of pipe 72 that can be generally in same level.
Certainly, according to concrete application, stop the upper end of pipe 72 that can also be not in same level, as long as the blocking pipe that upper end is minimum
Locating horizontal plane is higher than the liquid level of the liquid on demarcation plate.It is appreciated that when heat exchanger 1 has multiple outlets,
Demarcation plate can be waveform along the longitudinal direction of upper header 2.Wavy the lowest point can be corresponded to, multiple outlets 6 are set.
Fig. 8-10 is respectively illustrated to be intercepted along the direction vertical with the longitudinal direction of upper header 2 of heat exchanger 1 of Fig. 1
Fig. 1 heat exchanger 1 alternative form partial sectional view, the cross section of demarcation plate 7 in header 2 is shown
A variety of modifications.In the embodiment shown in fig. 8, the cross section of demarcation plate 7 is inverted V-shaped and protruding portion is not present at opening 71.
In the top of inverted V-shaped demarcation plate 7 setting opening 71.The highest point of V-arrangement where the opening 71 of demarcation plate 7 is higher than in demarcation plate 7
The liquid level of the refrigerant of two sides flowing.The rake of inverted V-shaped shape is used as the blocking portion of demarcation plate, makes it possible to prevent upper chambers
Liquid in room 21 is flowed into lower chamber 22 via the opening in the demarcation plate.In the embodiment shown in fig. 9, separate
The cross section of plate 7 is downward projection of recess, preferably arc.The neighbouring upper header 2 on the one or both sides of arc
Along the multiple openings 71 of longitudinal direction setting of upper header 2 at multiple positions.Refrigerant is flowed in curved bottom.Being lower than for arc is opened
The curved portion of mouth is used as the blocking portion of demarcation plate, makes it possible to prevent the liquid in upper chamber 21 via in the demarcation plate
Opening is flowed into lower chamber 22.In the embodiment shown in fig. 10, demarcation plate 7 is inclined relative to horizontal setting.Dividing
Opening 71 is arranged in the upper side of partition 7 at multiple positions of upper header 2.The demarcation plate being obliquely installed lower than opening
Rake is used as the blocking portion of demarcation plate, makes it possible to prevent the liquid in upper chamber 21 via the opening in the demarcation plate
It is flowed into lower chamber 22.It is easily understood that as long as at least part of above-mentioned demarcation plate is along perpendicular to upper collector tube
At least partly cross section of longitudinal direction can have inverted V-shaped shape, to the shape of lower recess or rake etc. to accommodate first
The liquid of chamber cooperates the liquid for accommodating first chamber with afflux tube wall, can be achieved with inventive concept of the invention.Ability
Field technique personnel can the ratio progress of present inventive concept is any to be adjusted without departing from this to using in demarcation plate and its cross section
The protection scope of invention.In addition the opening of the demarcation plate of these special shapes can also be equipped with protruding portion.
Figure 11 shows the schematic diagram of heat exchanger 1 according to another embodiment of the present invention.With heat exchange shown in FIG. 1
Device 1 is compared, and multiple vertical demarcation plates 8, the vertical separation are provided in the upper header 2 of the heat exchanger 1 shown in Figure 11
Plate 8 is located at 7 lower section of demarcation plate and is spaced apart along the longitudinal direction of upper header 2 dividing lower chamber 22 for N parts.It is such to set
It is particularly useful for counting the upper header 2 long for length, so that flat tube can more be prevented to be blocked, is conducive to the equal of refrigerant
Even distribution.
Figure 12 shows the schematic diagram of heat exchanger 1 according to another embodiment of the present invention.In this embodiment, heat is handed over
Parallel operation 1 is used down into lower two circuit heat exchangers out.With the demarcation plate in the upper header 2 of heat exchanger 1 shown in FIG. 1
7 is different, and the demarcation plate 7 in the upper header 2 of the heat exchanger 1 shown in Figure 12 is only in left side corresponding with first circuit in left side
There are protruding portions 72 in opening 71 in section.Opening in right side corresponding with the second servo loop on the right side section of demarcation plate 7
There is no the protruding portions for hindering liquid refrigerants to flow downward on mouth 71.Protruding portion 72 can be turnup structure or Fig. 3 shown in Fig. 2
Shown in stop pipe.
Figure 13 shows the schematic diagram of heat exchanger 1 according to another embodiment of the present invention.In this embodiment, prominent
Portion 72 can be blocking pipe shown in Fig. 3.It is different from demarcation plate 7 shown in Figure 12, the separation in heat exchanger 1 shown in Figure 13
The section corresponding with first circuit in left side of plate 7 is inclined along the longitudinal direction of heat exchanger 1, and towards the with right side
The corresponding section of secondary circuit gradually decreases, i.e. the length of blocking pipe gradually increases on the direction towards the second section, so that
The refrigerant of the left side section condensation of demarcation plate 7 can flow on the section of right side, and by the opening 71 on the section of right side downwards into
Enter second servo loop.
Figure 14 shows the schematic diagram of heat exchanger 1 according to another embodiment of the present invention.With plate shown in Figure 12
Shape demarcation plate 7 the difference is that, the cross section of the demarcation plate 7 of the heat exchanger 1 shown in Figure 14 is at inverted V-shaped and opening 71
There is no the protruding portions projected upwards.At the top of left side corresponding with the first circuit section of inverted V-shaped demarcation plate 7, opening is set
71.The highest point of inverted V-shaped where the opening 71 of demarcation plate 7 is higher than the liquid level of the refrigerant flowed in 7 two sides of demarcation plate.?
In right side corresponding with the second servo loop section of demarcation plate 7, opening 71 is divided along the longitudinal direction setting of upper header 2 in inverted V-shaped
On the one or both sides of partition 7 at multiple positions of neighbouring upper header 2.The opening 71 of such setting has demarcation plate 7
There is refrigerant distribution function, so that refrigerant is uniformly distributed in each micro-channel flat 41 of second servo loop.It is understood that separating
Plate 7 can also be similar to Figure 9 arc demarcation plate and inclination demarcation plate shown in Fig. 10.It is arc demarcation plate in demarcation plate 7
When, the opening 71 in the left side section of demarcation plate 7 is similar to the opening being arranged in Fig. 8, the opening in the right side section of demarcation plate 7
71 are arranged in curved bottom.When demarcation plate 7 is inclination demarcation plate, the opening 71 in the left side section of demarcation plate 7 is similar to figure
The relatively downside of demarcation plate 7 is arranged in adjacent to upper header 2 in the opening being arranged in 10, the opening 71 in the right side section of demarcation plate 7
Position.
Figure 15 shows the schematic diagram of heat exchanger 1 according to another embodiment of the present invention.Separate with shown in Figure 12
Plate 7 the difference is that, protruding portion 72 not only projects upwards, but also is downwardly projected so that the low portion of protruding portion 72 is located at
Between part in the insertion of adjacent microchannel flat tube 41 in header 2.Protruding portion 72 is affixed to the blocking pipe in opening 71.
The upper end of the upper part of protruding portion 72 and the lower end of low portion can be respectively at same level, i.e. protruding portion 72 or resistance
The total height for keeping off pipe keeps substantially constant.By stopping pipe to be downwardly between adjacent microchannel flat tube 41, pipe is stopped to extend to
Below refrigerant liquid level in lower chamber 22, the liquid for enabling the resistance of flowing that lower chamber is forced to be gathered rises to top
In chamber 21, to reduce the liquid retained in lower chamber 21, reduce the possibility for even preventing micro-channel flat 41 blocked
Property.
Figure 16 shows the schematic diagram of heat exchanger 1 according to another embodiment of the present invention.With separation shown in figure 15
Plate 7 the difference is that, the section edge corresponding with first circuit in left side of the demarcation plate 7 of the heat exchanger 1 shown in Figure 16
The longitudinal direction of heat exchanger 1 is inclined, and is gradually reduced towards section corresponding with the second servo loop on right side, so that dividing
The refrigerant condensed on the left side section of partition 7 can flow in the right side horizontal section of demarcation plate 7, and pass through right side level
Opening 71 on section flows downwardly into second servo loop.The height of the upper part of protruding portion 72 with demarcation plate 7 left side section
Reduction and increase, and the height of the low portion of protruding portion 72 correspondingly subtracts with the reduction of the left side section of demarcation plate 7
It is small.As shown in Figure 16, the upper end of the upper part of protruding portion 72 and the lower end of low portion can be respectively at same level
The total height of face, protruding portion 72 or blocking pipe keeps substantially constant.
Figure 17 shows the schematic diagrames of heat exchanger 1 according to another embodiment of the present invention.Heat exchange shown in Figure 17
The cross-sectional shape of the demarcation plate 7 of device 1 is similar to the cross-sectional shape of inverted V-shaped demarcation plate 7 shown in Figure 14.With shown in Figure 14
Demarcation plate 7 the difference is that, there are downward projection of protruding portions on the left side section of demarcation plate 7 shown in Figure 17
72, so that protruding portion 72 is located between the part in the insertion of adjacent microchannel flat tube 41 in header 2.It is understood that
Demarcation plate 7 can also be similar to Figure 9 arc demarcation plate and inclination demarcation plate shown in Fig. 10.It is arc point in demarcation plate 7
When partition, the opening 71 in the left side section of demarcation plate 7 is similar to the opening being arranged in Fig. 8 and has downward projection of protruding portion
72, in curved bottom and protruding portion is not present in the setting of opening 71 in the right side section of demarcation plate 7.It is inclination point in demarcation plate 7
When partition, the opening 71 in the left side section of demarcation plate 7 is similar to the opening 71 being arranged in Figure 10 and has downward projection of prominent
Portion 72 out, the opening 71 in the right side section of demarcation plate 7 the relatively downside of demarcation plate 7 is set adjacent to the position of upper header 2 and
There is no protruding portions.
Although for purposes of illustration it is now recognized that being carried out to the present invention on the basis of most practical and most preferred embodiment
Detailed description, it is to be understood that these details are used for the purpose of the purpose, and the present invention is not limited to these disclosed realities
Example is applied, but on the contrary, the present invention is directed to cover variation and equivalent arrangements in the spirit and scope of appended claims.
For example, it will be understood that the present invention it is contemplated that may in degree any embodiment one or more features can with it is any its
The one or more features of its embodiment combine.
Reference signs 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 plate 7
Opening 71
Protruding portion 72
Vertical plate 73
Vertical separating plate 8.
Claims (17)
1. a kind of heat exchanger, the heat exchanger include:
Inlet tube；
Outlet, the refrigerant in heat exchanger are discharged via outlet；
Upper header, is provided with demarcation plate in the upper header, and upper header is at least divided into first by the demarcation plate
Chamber and second chamber, are provided at least one opening in demarcation plate, and the first chamber and the second chamber pass through institute
State open fluid communication；
Lower header, with import fluid communication；With
Heat exchange department between upper header and lower header, and including more heat exchanger tubes and is located at adjacent heat exchange tubes
Between fin, heat exchanger tube is in fluid communication with the second chamber of upper header and lower header respectively,
Wherein, the demarcation plate has one or more blocking portions, and the blocking portion is configured to prevent in first chamber
Liquid is flowed into second chamber via one or more openings in at least one opening.
2. heat exchanger according to claim 1, which is characterized in that one or more blocking portion is from described point
One or more protruding portions that partition extends towards first chamber, one or more protruding portion are separately positioned on described
The slave demarcation plate of the periphery of one or more openings, the protruding portion is higher than first chamber towards the height that first chamber extends
In liquid level or flush.
3. heat exchanger according to claim 2, which is characterized in that
One or more protruding portion is formed by the turnup structure of the demarcation plate, or
One or more resistances by extending from the demarcation plate towards first chamber respectively of one or more protruding portion
Gear pipe formed, it is each it is described stop pipe one end be fixedly attached to it is one or more opening in one opening with institute
State open communication.
4. heat exchanger according to claim 2, which is characterized in that the demarcation plate is generally horizontally disposed, each described
Protruding portion is higher by the height of demarcation plate between 1mm and 6mm.
5. heat exchanger according to claim 2, which is characterized in that at least part of the demarcation plate is arranged in court
It is tilted on the direction of outlet to second chamber, and the protruding portion, closer to outlet, the protruding portion is higher by separation
The height of plate is bigger.
6. heat exchanger according to claim 1, which is characterized in that at least part of demarcation plate is along perpendicular to upper liquid collecting
At least partly cross section of the longitudinal direction of pipe totally has inverted V-shaped shape, and opening is correspondingly disposed in the top of inverted V-shaped shape, and
And the blocking portion is formed by the rake of inverted V-shaped shape.
7. heat exchanger according to claim 1, which is characterized in that at least part of demarcation plate is along perpendicular to upper liquid collecting
At least partly cross section of the longitudinal direction of pipe has the shape to lower recess, and the opening is positioned above liquid in the recess
At the position in body fluid face, the recess is for collecting the liquid in first chamber and forming the blocking portion.
8. heat exchanger according to claim 1, which is characterized in that at least part of demarcation plate is along perpendicular to upper liquid collecting
At least partly cross section of the longitudinal direction of pipe have rake, it is described be open be arranged in the rake higher side or
Person is higher than the rake, and the rake forms the blocking portion.
9. heat exchanger described in any one of -8 according to claim 1, which is characterized in that the first chamber and it is described go out
Mouthful pipe connection and in flow communication.
10. heat exchanger according to claim 9, which is characterized in that demarcation plate is overall along the longitudinal direction of upper header
V-shaped or wavy cross-section is corresponding to V-arrangement or wavy the lowest point position setting outlet.
11. heat exchanger according to claim 9, which is characterized in that the position of neighbouring outlet is set in upper header
It is equipped with the collection chamber being in fluid communication with first chamber, so that the liquid being condensate on demarcation plate is collected in the collection chamber
It is interior and pass through outlet be discharged.
12. heat exchanger according to claim 1, which is characterized in that the heat exchanger be under into it is lower go out two circuits
Only the blocking is arranged in the first section corresponding with the first circuit of circulation loop upstream is in of demarcation plate in heat exchanger
Portion.
13. heat exchanger according to claim 6, which is characterized in that
The heat exchanger be under into it is lower go out two circuit heat exchangers,
Only in the first section corresponding with the first circuit of circulation loop upstream is in of demarcation plate, opening is arranged in inverted V-shaped
The top of shape, and
In the second section corresponding with the second servo loop in circulation loop downstream is in of demarcation plate, opening is arranged in inverted V-shaped shape
The position lower than liquid levels in first chamber, the rake of the inverted V-shaped shape in the second section plays guide functions.
14. heat exchanger according to claim 7, which is characterized in that
The heat exchanger be under into it is lower go out two circuit heat exchangers, only in demarcation plate and the in circulation loop upstream
In corresponding first section of primary Ioops, the position for being higher than liquid levels in the recess of the recess is arranged in opening, and
In the second section corresponding with the second servo loop in circulation loop downstream is in of demarcation plate, opening is arranged in the recess
Bottom, the recess in the second section plays guide functions.
15. heat exchanger according to claim 8, which is characterized in that
The heat exchanger be under into it is lower go out two circuit heat exchangers, only in demarcation plate and the in circulation loop upstream
In corresponding first section of primary Ioops, opening is arranged in the higher side of the rake or is higher than the rake, and
And
In the second section corresponding with the second servo loop in circulation loop downstream is in of demarcation plate, opening is arranged in the inclination
The lower side in portion, the rake in the second section play guide functions.
16. heat exchanger according to claim 3, which is characterized in that the blocking pipe also extends downward into adjacent heat exchange
Between part in the insertion of pipe in header.
17. heat exchanger according to claim 5, which is characterized in that the described of the demarcation plate at least part of inclines
Rake angle relative to upper header longitudinal direction in the range of 1 ° to 6 °.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510695218.8A CN106610151B (en) | 2015-10-22 | 2015-10-22 | A kind of heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510695218.8A CN106610151B (en) | 2015-10-22 | 2015-10-22 | A kind of heat exchanger |
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| Publication Number | Publication Date |
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| CN106610151A CN106610151A (en) | 2017-05-03 |
| CN106610151B true CN106610151B (en) | 2019-05-07 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107252985B (en) * | 2017-05-09 | 2020-03-20 | 柳州申通汽车科技有限公司 | Assembling method of automobile air conditioner condenser |
| JP7292389B2 (en) * | 2019-06-06 | 2023-06-16 | 三菱電機株式会社 | Heat exchanger and refrigeration cycle equipment |
| WO2021050426A1 (en) * | 2019-09-11 | 2021-03-18 | Carrier Corporation | Heat exchanger assembly |
| 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 |
| CN114477344B (en) * | 2020-11-13 | 2023-10-10 | 山东大学 | Sea water desalination device by waste heat of jet device waste gas |
| CN113513932B (en) * | 2021-04-26 | 2023-07-07 | 浙江银轮机械股份有限公司 | Heat exchanger and system thereof |
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| EP0415584A2 (en) * | 1989-08-30 | 1991-03-06 | Honda Giken Kogyo Kabushiki Kaisha | Stack type evaporator |
| CN1950664A (en) * | 2004-05-11 | 2007-04-18 | 昭和电工株式会社 | Heat exchangers |
| CN101922883A (en) * | 2010-09-13 | 2010-12-22 | 三花丹佛斯（杭州）微通道换热器有限公司 | Refrigerant guide pipe and heat exchanger with same |
| CN202792708U (en) * | 2012-09-04 | 2013-03-13 | 广东美的制冷设备有限公司 | Parallel flow heat exchanger and air conditioner |
| CN103743164A (en) * | 2013-12-27 | 2014-04-23 | 河南科隆集团有限公司 | Multilayer micro-channel condenser |
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| EP0415584A2 (en) * | 1989-08-30 | 1991-03-06 | Honda Giken Kogyo Kabushiki Kaisha | Stack type evaporator |
| CN1950664A (en) * | 2004-05-11 | 2007-04-18 | 昭和电工株式会社 | Heat exchangers |
| CN101922883A (en) * | 2010-09-13 | 2010-12-22 | 三花丹佛斯（杭州）微通道换热器有限公司 | Refrigerant guide pipe and heat exchanger with same |
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| CN106610151A (en) | 2017-05-03 |
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