JP2511956Y2 - Stacked heat exchanger - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a laminated heat exchanger used for an evaporator or the like.

[0002]

2. Description of the Related Art Conventionally, this type of laminated heat exchanger has a normal plate having fluid passage holes on both upper and lower sides and a fluid plate having fluid passage holes on one of the upper and lower sides and fluid passage holes on the other side. A partition plate in which a partition wall portion having no passage hole is formed, and by stacking these two types of plates in a predetermined arrangement in layers, a parallel flat tube portion and an upper and lower plate portion are formed. A fluid such as a refrigerant flows in a meandering shape as a whole in both header portions.

[0003]

An invention to be Solved] In the stacked heat exchanger, after its manufacture, the partitioning pre <br/> over preparative having partition wall portion is disposed in any part of the total plate It is necessary for the applicant to check
Previously, it was proposed to provide a notch as a mark at one of the upper and lower ends of the partition plate.

However, according to the previously proposed method, if the upper and lower surfaces of the manufactured laminated heat exchanger are not seen,
There is a problem that the arrangement of the partition plate and the partition wall portion cannot be confirmed, and thus it is slightly inconvenient.

The object of the present invention is to solve the above problems,
Looking at one side of the upper and lower surfaces of the laminated heat exchanger after fabrication, to be able to check the placement of the partition plate and the partition wall, serpentine flow path in the heat exchanger is set Can be confirmed that the workability is good,
The time required for production can be shortened as much as possible,
Improves production efficiency and ensures elimination of defective products
In an attempt to provide a laminated heat exchanger may play.

[0006]

In order to achieve the above-mentioned object, the present invention has a fluid passage forming recess and upper and lower header forming recesses deeper than the fluid passage forming recess and the bottom of the upper and lower header forming recesses. One of the bottom walls of the upper and lower recesses has a large number of ordinary plates each having a fluid passage hole in the wall, a recess for forming a fluid flow path and a recess for forming both upper and lower headers deeper than the recess. A plurality of partition plates each having a fluid passage hole formed therein and the other bottom wall serving as a partition wall portion having no fluid passage hole.
At the peripheral edge of each ordinary plate, there is a convex edge protruding toward the concave side.
In addition to being installed, the peripheral edge of each partition plate
Part-side tongue portion is provided protruding, these two plates are superposed in layers while being opposed to the concave portion to each other mutually to fit Ri next and required the partition plate is vertically
Turn the other partition plate in the opposite direction.
The Rukoto are location, parallel shape of the flat tube portion and the upper and lower header portions communicating with each flat tube portion is formed, all of the flat tube portion and fluid upper and lower header portion is, to flow in the overall meandering in the product layer type heat exchanger that has been made,
Passing fluid through one of the upper and lower ends of each partition plate
Notch for placement confirmation mark is provided on the convex edge on the hole side
Notches for placement confirmation are provided on the convex edge on the wall side.
And the notches for both marks are used for heat exchange after combination.
On both the upper and lower sides of the converter, the partition
With the partition plate arranged in the rate and its direction
About the center of the width of the partition plate
The gist is a laminated heat exchanger that is provided so as to be arranged at a different position later .

Confirmation of partition wall arrangementNotch for mark
Is both top and bottom marksNotchOne ofConvex on fluid passage hole side
Notch for marking the location of the edgeThe width of each partition plate
Centrally, and the otherLayout of the convex edge on the partition wall side
Notch for location confirmation markOff the center of the width of the plate
Position or double-sidedNotchFor each partition
Position it off the center of the width of the rateIn any case
These notches for both marks are located above and below the combined heat exchanger.
On both sides, partition plates and
The partition plates arranged in the same direction as each other.
The center of the width of the partition plate is different in the front and back.
Provided so that it can be placed in any positionBy doingFor partitionPre
Not only the position of the door, but also the position above and below the partition wall
You can easily check.

[0008]

According to the above laminated heat exchanger , one of the upper and lower end portions of each partition plate has a convex edge portion on the fluid passage hole side.
The notch for the placement confirmation mark is the convex edge on the other side of the partition wall.
There are notches for placement confirmation marks on the
The notches for both marks are on the upper and lower sides of the combined heat exchanger.
In the plane, the partition plate and its
About the partition plate arranged in the right direction
The center of the width of the partition plate is
It is designed to be placed in a
Because notches are not disappear indicia, notches marks on the upper and lower surfaces of the laminated heat exchanger after fabrication but seem to appear in a predetermined arrangement, so if you look at the one side of the upper and lower surfaces of the heat exchanger, Partition
Use plates as well as it is possible to check the arrangement of the partition walls, serpentine flow path in the heat exchanger can confirm that it is set.

[0009]

Embodiments of the present invention will be described below with reference to the drawings.

In this specification, front and rear, left and right, and upper and lower are based on FIG. 2, the front means the upper side in FIG. 2, the rear means the lower side, and the left means the left side in the figure and the right means the same. The right side is the upper side, the upper side is the back side of the drawing sheet in the figure, and the lower side is the front side.

1 to 4 showing the first embodiment of the present invention, a laminated heat exchanger used for an evaporator or the like is made of aluminum (including aluminum alloy),
A pair of end plates (1) (1) arranged on both left and right outer sides,
It has a fluid channel forming recess (3) and upper and lower header forming recesses (4) and (4) that are deeper than this, as well as bottom walls (7) and (7) of the upper and lower header forming recesses (4) and (4). A large number of ordinary plates (2a) each having three elongated oblong fluid passage holes (8) in the front and rear, a fluid channel forming recess (3) and both upper and lower headers deeper than this. For forming the lower header, the bottom wall (7) of the upper header forming recess (4) is formed with three elongated oblong fluid passage holes (8) and has the forming recesses (4) and (4). The bottom wall (7) of the recess (4) is a partition wall without fluid passage holes
(9) is composed of three partition plates (2b) (see FIG. 4).

Further , a concave portion is formed on the peripheral portion of each ordinary plate (2a).
A convex edge portion (15) protruding toward the parts (3) and (4) is provided.
In addition, on the peripheral edge of each partition plate (2b), on the concave (3) (4) side
A protruding convex edge portion (16) is provided.

Between the left and right outer end plates (1) (1), these two kinds of intermediate plates (2a) (2b) are arranged in a predetermined arrangement and are adjacent to each other. By stacking in layers with (4) facing each other,
A parallel flat pipe portion (5) and upper and lower header portions (6) and (6) connected to the flat pipe portions (5) are formed.

As shown in FIG. 4, the three partition plates (2b) are respectively provided with fluid passage holes (8) in the bottom wall (7) of the upper header forming recess (4). And the bottom wall (7) of the lower header forming recess (4) is a partition wall (9) without a fluid passage hole.
Have the same shape was made and, therefore, these partition
The plates (2b) are alternately arranged upside down at predetermined intervals, and the partition walls (9) of these partition plates (2b) separate the upper and lower header parts (6) and (6) respectively. It is divided into two and three header parts, and in all the flat pipe parts (5) and both upper and lower header parts (6) (6), there is a fluid flow path in which the fluid such as a refrigerant flows in a meandering shape as a whole. Has been formed.

[0015] In this invention, the tongue of the fluid passing hole (8) side of the upper end of each partitioning flops <br/> Rate (2b) (16)
The notch (10a) for the placement confirmation mark is located on the lower end of the plate (2b).
Notch for confirmation of placement on the convex edge (16) on the side of the partition wall (9)
One (10b) is provided for each of these marks .
Outs (10a) (10b) are provided brought positioned on the front side width center (L) good Risoto are in each partition plate (2b). to this
Therefore, the notches (10a) and (10b) for both marks are the products after combination.
Placed in opposite directions on the top and bottom sides of the layered heat exchanger
Partition plate (2b) and partition placed in that direction
About the partition plate (2b) and the partition plate (2b)
It is Haise different position back and forth about the width center (L)
Things.

That is, in the bottom view of FIG. 2 , the partition wall (9) side is located in front of the width center (L) of the partition plate (2b).
There are two notches (10b) for confirming the arrangement on the convex edge (16) of the, and the convex edge on the side of the fluid passage hole (8) on the rear side in the middle of these.
Since one notch (10a) for arrangement confirmation mark appears in (16), there may be two partition walls (9) on the bottom side of the laminated heat exchanger after the heat exchanger is manufactured. , Easily confirmed.

[0017] In the plan view of FIG. 3, the front of the central in the width (L) of the partitioning play <br/> preparative (2b), the tongues of the partition walls (9) side
The part (16) has one notch (10b) for confirming the placement , and the convex edge part (16) on the side of the fluid passage hole (8) is located on the rear side on both outsides thereof.
Since two notches (10a) for confirming the arrangement appear in Fig. 7, it can be easily confirmed that there is one partition wall (9) on the upper surface side of the heat exchanger.

[0018] Of course, confirmation of the location of the partition wall (9), just looking at either the upper or bottom surface of the heat exchanger, is capable of performing.

In addition, in the above laminated heat exchanger, side plates (11) and (11) are provided on both outer sides of the end plates (1) and (1).
And the corrugated fins (12) are respectively interposed between the side plates (11) and the flat tubes (5) and between the flat tubes (5) and (5). ing.

It should be noted that one header portion from the fluid inlet (13)
The fluid such as the refrigerant introduced into the (6) portion flows in a meandering manner as a whole in all the flat tube portions (5) and the upper and lower header portions (6) and (6), and finally flows into the final header portion (6). Fluid outlet (1
It is designed to be discharged to 4).

5 and 6 show a second embodiment of the present invention. Here, the case is different from the first embodiment, as shown in FIG. 5, the tongue of the fluid passing hole (8) side of the upper end portion of the partition plate (2b) (16), Same plate (2b)
Notches for placement confirmation mark one located central in the width (L) of (1
0a) is provided, the plate (2 b) partition walls of the lower end (9)
On the convex edge (16) on the side, there are two notches (10) for confirming the arrangement, which are located off the width center (L) of the plate (2b).
b) (10b) is provided.

As a result, the notches (10a) (10b) for the marks
Is on both the upper and lower sides of the laminated heat exchanger after combination,
Partition plate (2b) arranged in the opposite direction and its direction
The partition plate (2b) placed on the
The front and back of the cutting plate (2b) are centered on the width center (L).
It can be placed in any position.

That is, in the bottom view of FIG. 6, the side of the fluid passage hole (8) located at the width center (L) of the partition plate (2b).
There is one notch (10a) for confirming the placement of the convex edge (16) of the partition wall (9) side located on both the left and right sides of the plate (2b) on the front and rear sides of the width center (L). Check the convex edge (16) placement
Since two notches (10b) and (10b) for marking appear as they appear,
It can be easily confirmed that there are two partition walls (9) on the bottom side of the laminated heat exchanger by only looking at the bottom surface of the heat exchanger after fabrication.

7 and 8 show a third embodiment of the present invention. Here, the case is different from the first embodiment, as shown in FIG. 7, the tongue of the fluid passing hole (8) side of the upper end portion of the partition plate (2b) (16), Same plate (2b)
Notches one partition wall disposed check mark located off the front of the central in the width (L) (10a) is provided for, the plate (2
b) a partition wall portion of the lower end (9) of the tongue (16), the plate
-Out one notch for landmarks located central in the width (L) of (2b) (10b)
Is provided.

As a result, the notches (10a) (10b) for the marks
Is on both the upper and lower sides of the laminated heat exchanger after combination,
Partition plate (2b) arranged in the opposite direction and its direction
The partition plate (2b) placed on the
The front and back of the cutting plate (2b) are centered on the width center (L).
It can be placed in any position.

[0026] That is, in the bottom view of FIG. 8, the partition wall portion located on the width center (L) of the partitioning <br/> plate (2b) (9) side
There are two notches (10b) for marking the convex edge portion (16) on the left and right sides, and in the middle of these notches on the side of the fluid passage hole (8) located on the rear side of the width center (L) of the plate (2b). Make sure that the partition wall of the edge (16) is placed.
Since one notch (10a) for identification mark appears, you can see that there are also two partition walls (9) on the bottom side of the laminated heat exchanger, just by looking at the bottom of the manufactured heat exchanger. It can be easily confirmed.

Since the other points of the second embodiment and the third embodiment are the same as those of the first embodiment, the same parts are designated by the same reference numerals in the drawings.

In each of the above embodiments, the invention is applied to a so-called horizontal laminated heat exchanger in which the flat tube portions (5) are arranged in parallel in the horizontal direction. Is similarly applied to a so-called vertical heat exchanger in which the flat tube portions (5) are arranged in parallel in the vertical direction.

The laminated heat exchanger according to the present invention can be used in heat exchangers for automobiles, particularly evaporators, oil coolers, aftercoolers, radiators, and other applications.

[0030]

As described above, the present invention has the fluid passage forming recess and the upper and lower header forming recesses deeper than the recess, and the fluid passage holes are formed in the bottom walls of the upper and lower header forming recesses. A plurality of ordinary plates, a fluid passage forming recess and upper and lower header forming recesses deeper than the recess, and a fluid passage hole is formed in one of the bottom walls of the upper and lower recesses. The bottom wall on the other side is composed of a plurality of partition plates which are partition walls without fluid passage holes.
A protruding edge is provided on the part side, and for each partition
Provided on the peripheral edge of the plate is a convex edge protruding toward the concave side.
Is, these two plates are superimposed in layers while being opposed to the concave portion to each other mutually to fit Ri next and required
The partition plate is upside down and the remaining partition play
By: it is placed in a direction of its orゝ Rukoto, parallel shape of the flat tube portion and the upper and lower header portions communicating with each flat tube portion is formed, all of the flat tube portion and fluid upper and lower header portion in product <br/> layer type heat exchanger that has been made to flow in a meandering shape as a whole, the upper and lower end portions of the partition plate
One of the two is for the placement confirmation mark on the convex edge on the fluid passage hole side
The cutout is a mark for confirming the placement on the convex edge on the other side of the partition wall.
Notches are provided for each of them, and notches for these both marks are provided.
The reverse direction on the upper and lower sides of the combined heat exchanger.
The partition plate placed in the first place and the other direction
Partition plate and partition plate for each other
It can be placed in different positions in the front and back with the center of the width of the
Since those provided urchin, if you look at the one side of the upper and lower surfaces of the laminated heat exchanger after fabrication, you can check the placement of the partitioning play <br/> preparative as well as partition walls It is possible to confirm that a meandering flow path is set in the heat exchanger, and therefore workability is good, and the time required for the production of the stacked heat exchanger can be shortened as much as possible. It can improve the efficiency and ensure the rejection of defective products.
Play an effect that obtained Ru.

[Brief description of drawings]

FIG. 1 is a perspective view showing a first embodiment of the present invention.

FIG. 2 is a bottom view of the device of the present invention.

FIG. 3 is a plan view of the product of the present invention.

FIG. 4 is a front view of a partition plate used in the laminated heat exchanger of the first embodiment.

FIG. 5: Used in a laminated heat exchanger according to a second embodiment of the present invention
It is a front view of the partition plate.

FIG. 6 is a bottom view of the product of the present invention according to the second embodiment.

FIG. 7: Used in a laminated heat exchanger according to a third embodiment of the present invention
It is a front view of the partition plate.

FIG. 8 is a bottom view of the product of the present invention according to the third embodiment.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 End plate 2a Normal plate 2b Partition plate 3 Fluid channel forming recess 4 Header forming recess 5 Flat tube portion 6 Header portion 7 Bottom wall 8 Fluid passage hole 9 Partition wall portion 10a Convex edge portion on the fluid passage hole side Confirmation of partition wall layout
Notch for marking 10b Partition wall arrangement confirmation eye of convex edge on partition wall side
Notch for mark 15 Convex edge 16 Convex edge

Claims (1)

(57) [Scope of utility model registration request] 1. A fluid channel forming recess (3) and upper and lower header forming recesses (4) (4) that are deeper than the fluid channel forming recess (3) and a bottom wall of the upper and lower header forming recesses (4) (4). 7) A large number of ordinary plates (2a) each having a fluid passage hole (8) in (7)
And the recesses (3) for forming fluid passages and the recesses (4) (4) for forming both upper and lower headers deeper than the recesses (4) and upper and lower recesses (4).
Fluid passage hole in one of the bottom walls (7) and (7) of (4)
A plurality of partition plates (2) in which (8) is opened and the other bottom wall (7) is a partition wall section (9) without fluid passage holes.
b) is composed of and the peripheral part of each ordinary plate (2a)
When a convex edge portion (15) protruding toward the concave portions (3) and (4) is provided,
In both cases, in the peripheral edge of each partition plate (2b), recesses (3) (4)
Tongue protruding on the side (16) is provided, superimposed on these two plates (2a) (2b) of adjacent Ri fit those comrades another recess (3) (4) layered in a state in which are opposed to And required partitions
Plate (2b) is upside down and the remaining partition plate
The Rukoto (2b) is arranged in the direction of its orゝ, upper and lower header portions communicating with the parallel-shaped flat tube portion (5) and the flat tube portion (5) and (6) (6) is formed , all of the flat tube portion (5) and upper and lower header portion (6) (6) in fluid and in overall meander shape that has been made as to flow the product layer type heat exchanger, each
One of the upper and lower ends of the partition plate (2b)
Notch (10a) for placement confirmation mark on the convex edge (16) on the overhole (8) side
On the convex edge (16) on the other side of the partition wall (9).
Notches (10b) for marking are provided respectively and these eyes
The notches (10a) and (10b) for marking are located above and below the combined heat exchanger.
Partition plates (2b) placed on both sides in opposite directions
And the partition plate (2b) placed in that direction
Centering on the width center (L) of the partition plate (2b).
Then , the laminated heat exchanger is provided so as to be arranged at different positions in the front and rear .