CN101769692A - Heat exchanger and processing method - Google Patents
Heat exchanger and processing method Download PDFInfo
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- CN101769692A CN101769692A CN200810190544A CN200810190544A CN101769692A CN 101769692 A CN101769692 A CN 101769692A CN 200810190544 A CN200810190544 A CN 200810190544A CN 200810190544 A CN200810190544 A CN 200810190544A CN 101769692 A CN101769692 A CN 101769692A
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- branch manifold
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- heat exchanger
- manifold case
- outlet
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Abstract
The invention discloses a heat exchanger and a processing method. The heat exchanger comprises a plurality of branch manifold boxes which are piled up, wherein each branch manifold box is formed by plates in pair and connected by an inlet and a passing outlet which are formed on each plate; at least one first variable flow part is positioned between the inlets of a first pair of adjacent branch manifold boxes to guide fluid to flow through the branch manifold box and flow towards the passing outlet; and at least one second variable flow part is positioned between the passing outlets of a second pair of adjacent branch manifold boxes, the second pair of branch manifold boxes is different from the first pair of branch manifold boxes and the second variable flow part guides the fluid to pass through the branch manifold boxes and flow into the inlet.
Description
Technical field
Disclosure technology relates to a kind of heat exchanger, relates more specifically to a kind of heat exchanger and processing method thereof of stack.
Background technology
Traditional stacked plates heat exchanger has a plurality of paired plates, and paired plate is deposited in another top according to next.Each paired plate has the export and import that is seated opposite same relative position.In the paired plate that stacks, all imports connect and pass to mutually carries the fluid that is cooled or heats to pass through the inner passage of each paired plate, similarly, all outlet connect and pass to mutually acceptance by passage fluid and transport fluid into the outlet of heat exchanger.Paired plate combines usually, for example by high temperature brazing.The example of a stacking type heat exchanger is disclosed by the U.S. Patent number 5794691 (' 691 patent) of authorizing Evans on August 18th, 1998.
In the heat exchanger of ' 691 patents, the fluid that enters the branch manifold case directly enters outlet branch manifold case by paired plate.Because the path of flowing is most important for the heat exchange efficiency of heat exchanger, in having the heat exchanger of shorter stream relatively, the fluid that flows may not can by the temperature that sufficiently is cooled to envision, therefore the problem of overheated or thrashing may take place.
Heat exchanger of the present disclosure is intended to overcome above-mentioned one or more problem.
Summary of the invention
The invention provides a kind of heat exchanger and processing method thereof, this heat exchanger heat exchanger effectiveness height, processing is simple.
The invention discloses a kind of heat exchanger, comprising: a plurality of branch manifold casees that pile up, each branch manifold case are formed by paired plate and link to each other by opening with one by an import that forms on each piece plate.At least one first unsteady flow part is placed between the import of first pair of adjacent branch manifold case, flow through described branch manifold case and flow to and to pass through opening of guiding fluid; And at least one second unsteady flow part is placed on passing through between the opening of second pair of adjacent branch manifold case, and described second pair of branch manifold case is different with described first pair of branch manifold case, and described second unsteady flow part guiding fluid flows to described import by the branch manifold case.
The invention also discloses a kind of processing method of heat exchanger, comprise: a plurality of branch manifold casees that pile up are provided, each branch manifold case is formed by a paired plate and links to each other by opening with one by an import that forms on each piece plate, place at least one first unsteady flow part between the import of first pair of adjacent branch manifold case, place at least one second unsteady flow part between second pair of adjacent branch manifold case, described second pair of branch manifold case is different with described first pair of branch manifold case, and the described branch manifold case that piles up that is tightly connected.
Description of drawings
Fig. 1 is the stereogram that is suitable for exemplary heat exchanger of the present invention.
Fig. 2 is the sectional drawing of A-A direction along the line among Fig. 1, and wherein the mid portion of heat exchanger is removed.
Fig. 3 is the enlarged drawing after heat exchanger decomposes among Fig. 1.
The specific embodiment
An exemplary heat exchanger of the present disclosure is by describing with reference to following Fig. 1-3.
Fig. 1 has shown a heat exchanger 10, heat exchanger 10 comprise a top branch manifold case 30, bottom branch manifold case 40 and a plurality of in the middle of branch manifold case 20, for example branch manifold casees 20 in the middle of 4 as shown in Figure 1.Branch manifold case 20 in the middle of between top branch manifold case 30 and bottom branch manifold case 40, also can only being provided with one.One entry port 50 and one discharge the two ends that port 60 is formed at heat exchanger 10.
As shown in Figure 2, each top branch manifold case 30, bottom branch manifold case 40 and middle branch manifold case 20 comprise a paired plate, and each paired plate has a positive plate 21 and a cloudy plate 22.Sun plate 21 and cloudy plate 22 can have the thin plate of good heat conductive characteristic material to process by stainless steel, aluminium, brass, copper, bronze or other are any.In addition, although positive plate 21 and cloudy plate 22 are shown as the bar shaped that both ends are semicircle, other shapes can be used equally.Each positive plate 21 and cloudy plate 22 have an import 201, one by opening 202 and an outlet 203, and each piece sun plate 21 has a planar wall 211 and the outward extending compartment 212 of extension around planar wall 211.The cloudy plate 22 of each piece has a planar wall 221 and one around planar wall 221 outward extending bonding parts 222.Sun plate 21 and cloudy plate 22 can be by processing such as prior art such as punching press, laser cutting, water torch cutting and erosions.Under other structures can adopted situation, positive plate 21 covered cloudy plate 22 to form the branch manifold case by the bonding part 222 that compartment 212 fastens cloudy plate 22.All branch manifold casees 30,20,40 by all imports 201, by opening 202 with export 203 and pile up after linking to each other.
As shown in Figures 2 and 3, between the positive plate 21 of each top branch manifold case 30, middle branch manifold case 20 and bottom branch manifold case 40 and cloudy plate 22, be provided with semiorbicular first guiding piece, 204, the first guiding pieces, 204 parts around import 201.Second guiding piece 205 that has and export the annular of 203 onesize openings is set between the positive plate 21 and cloudy plate 22 of each top branch manifold case 30 and middle branch manifold case 20, and second guiding piece 205 is around outlet 203.Second guiding piece 205 of annular will export 203 with 20 isolation of top branch manifold case 30 and middle branch manifold case, all outlets 203 are connected to form and pass top branch manifold case 30, middle branch manifold case 20 and bottom branch manifold case 40, are the exit passageway 200 of heat exchanger 10.A plurality of first packing rings 206 are placed between the adjacent branch manifold case and center on import 201, a plurality of second packing rings 207 are placed between the adjacent branch manifold case and around passing through opening 202, a plurality of the 3rd packing rings 208 are placed between the adjacent branch manifold case and center on outlet 203.Second packing ring 207 and the 3rd packing ring 208 are processed by a slice plate.If a compartment forms and extends to adjacent branch manifold case in the distribution of import 201, then between adjacent branch manifold case, first packing ring 206 can be set.If also adopt the compartment that similarly extends with import 201 by the distribution of opening 202 and outlet 203, then second packing ring 207 and the 3rd packing ring 208 also can.
One first unsteady flow part 209 is placed between the import 201 of first pair of adjacent branch manifold case 400.One second unsteady flow part 210 is placed on passing through between the opening 202 of second pair of adjacent branch manifold case 500, second pair of branch manifold case 500 is different with first pair of branch manifold case 400, so that make the first unsteady flow part 209 be offset from the second unsteady flow part 210, in heat exchanger 10, form the stream 100 that wriggles thus, show as dotted line.Two the 3rd guiding pieces 301 are separately positioned between the paired plate of branch manifold case, one of them the 3rd guiding piece 301 is arranged between the cloudy plate 22 and positive plate 21 of bottom branch manifold case 40, another the 3rd guiding piece 301 is arranged between the cloudy plate 22 and positive plate 21 of the middle branch manifold case 20 adjacent with bottom branch manifold case 40, guiding piece 301 parts are around outlet 203, two outlets 203 that are directed that part 301 parts center on are connected with outlet 305 fluids by opening 202, and the outlet 305 by opening 202 further is connected with exit passageway 200.Form on the planar wall 221 of the cloudy plate 22 of paired plate and the planar wall 211 of positive plate 21, as stamping out projection 303.
Further as shown in Figure 3, heat exchanger 10 originates in the cloudy plate 22 of top branch manifold case 30.The opening 202 that passes through of the cloudy plate 22 of top branch manifold case 30 is sealed by first sealing plate 231.On packing ring 206 ' can be by being fixed to top branch manifold case 30 such as welding or the mode of high temperature brazing the opening 201 of cloudy plate 22, packing ring 208 ' can be fixed to by the mode such as welding or high temperature brazing in the outlet 203 of cloudy plate 22 of top branch manifold case 30.First sealing plate 231 and packing ring 208 ' are processed by single piece of sheet metal, and heat exchanger 10 ends at the positive plate 21 of bottom branch manifold case 40.The import 201 of the positive plate of bottom branch manifold case 40 is by 232 sealings of second sealing plate, and the opening 202 that passes through of the positive plate of bottom branch manifold case 40 is sealed by the 3rd sealing plate 233 with outlet 203.
In actual applications, form a fluid flowing path 100 that wriggles in the heat exchanger 10.Flow through stream 100 and enter continuous import 201 of for example heated engine oil of fluid.Next step is placed on fluid the first unsteady flow part, the 209 guiding elongated channel 304 between the import 201 of first pair of adjacent branch manifold case 400 and enters by opening 202.Stream 100 continues to be placed on the second unsteady flow parts, 210 guiding elongated channel 304 between second pair of adjacent branch manifold case 500 and the skew of the first unsteady flow part 209, and arrives the import 201 that links to each other.Stream 100 continues to lead to outlet 305 by opening 202 from the import 201 that links to each other through the elongated channel 304 of branch manifold case 20 in the middle of one and bottom branch manifold case 40.Fluid finally flows into exit passageway 200, and will be by medium such as water or the cooled fluid discharge of air heat exchanger 10 at this.
The first unsteady flow part 209 is placed between the import 201 of first pair of adjacent branch manifold case 400, the second unsteady flow part 210 is placed on passing through between the opening 202 of second pair of adjacent branch manifold case 500, has formed a relatively long sinuous stream 100 thus in heat exchanger 10.Long sinuous stream 100 can increase the heat exchange between heat exchanger 10 internal flows and the external agency.Certainly the unsteady flow part can be more than two.Heat exchanger 10 can include only branch manifold case 20 and bottom branch manifold case 40 in the middle of the top branch manifold case 30, one.The first unsteady flow part 209 can place in the middle of top branch manifold case 30 and one between the branch manifold case 20, and the second unsteady flow part 210 can place between bottom branch manifold case 40 and the middle branch manifold case 20.
Can make multiple change and modification to the embodiment of heat exchanger of the present invention, this is conspicuous for a person skilled in the art.For example, paired plate comprises two identical plates, and plate has planar wall and along the outer of planar wall compartment is set, and perhaps paired plate comprises two identical cover plates, along the distribution between cover plate interval box is set.It only is exemplary that described specification and example should be considered to, and true scope is limited by claims and equivalent thereof.
Claims (16)
1. heat exchanger comprises:
A plurality of branch manifold casees that pile up, each branch manifold case are formed by paired plate and link to each other by opening with one by an import that forms on each piece plate;
At least one first unsteady flow part is placed between the import of first pair of adjacent branch manifold case flow through described branch manifold case and flow to and pass through opening of guiding fluid; And
At least one second unsteady flow part is placed on passing through between the opening of second pair of adjacent branch manifold case, and described second pair of branch manifold case is different with described first pair of branch manifold case, and described second unsteady flow part guiding fluid flows to described import by the branch manifold case.
2. heat exchanger according to claim 1, it is characterized in that, also comprise the outlet that is formed on every block of plate, described outlet interconnects and isolates with described branch manifold case, so that form the exit passageway that extends along described branch manifold case, described exit passageway is communicated with outlet fluid by opening.
3. heat exchanger according to claim 1 is characterized in that, further comprises a plurality of first guiding pieces, and described first guiding piece is arranged between each paired plate and part centers on described import.
4. heat exchanger according to claim 2 is characterized in that, further comprises a plurality of second guiding pieces, and described second guiding piece is arranged between described each paired plate and centers on described outlet so that described outlet and described branch manifold case are isolated.
5. heat exchanger according to claim 2, it is characterized in that, also comprise a plurality of first packing rings that are placed between the adjacent branch manifold case and center on described import, a plurality of being placed on also centers on described second packing ring by opening between the adjacent branch manifold case, and a plurality of the 3rd packing ring that is placed between the adjacent branch manifold case and centers on described outlet.
6. heat exchanger according to claim 1 is characterized in that, described each paired plate comprises a positive plate and cloudy plate that is bonded with each other.
7. heat exchanger according to claim 6, it is characterized in that, each piece sun plate has a planar wall and centers on the peripheral outward extending compartment of planar wall, described cloudy plate has a planar wall and centers on the outward extending bonding part of described planar wall, and described positive plate covers described cloudy plate by the bonding part that described compartment fastens described cloudy plate.
8. heat exchanger according to claim 7 is characterized in that, forms projection on the cloudy plate of described paired plate and the planar wall of positive plate.
9. heat exchanger according to claim 2, it is characterized in that, further comprise at least one be arranged between the paired plate and part around the 3rd guiding piece of described outlet, so that the outlet that is partly centered on by the 3rd guiding piece is connected with described outlet fluid by opening.
10. the processing method of a heat exchanger comprises:
A plurality of branch manifold casees that pile up are provided, and each branch manifold case is formed by a paired plate and links to each other by opening with one by an import that forms on each piece plate;
Place at least one first unsteady flow part between the import of first pair of adjacent branch manifold case;
Place at least one second unsteady flow part between second pair of adjacent branch manifold case, described second pair of branch manifold case is different with described first pair of branch manifold case; And
The described branch manifold case that piles up is tightly connected.
11. the processing method of heat exchanger according to claim 10, it is characterized in that, also comprise the outlet that is formed on every block of plate, described outlet interconnects and isolates with described branch manifold case, so that form the exit passageway that extends along described branch manifold case, described exit passageway is communicated with outlet fluid by opening.
12. the processing method of heat exchanger according to claim 10 is characterized in that, further comprises placing first guiding piece between each paired plate and partly around described import.
13. the processing method of heat exchanger according to claim 11 is characterized in that, further comprises placing a plurality of second guiding pieces between described each paired plate and around described outlet, so that described outlet and described branch manifold case are isolated.
14. the processing method of heat exchanger according to claim 11, it is characterized in that, also comprise and place a plurality of first packing rings between adjacent branch manifold case and around described import, place a plurality of second packing rings and between adjacent branch manifold case and around described, pass through opening, and place a plurality of the 3rd packing rings between adjacent branch manifold case and around described outlet.
15. heat exchanger according to claim 11, it is characterized in that, further comprise and place at least one the 3rd guiding piece between paired plate and partly around described outlet, so that the outlet that is partly centered on by the 3rd guiding piece is connected with described outlet fluid by opening.
16. the processing method of heat exchanger according to claim 10, it is characterized in that, wherein said each paired plate has a positive plate and a cloudy plate, each piece sun plate has a planar wall and one around the peripheral outward extending compartment of planar wall, described cloudy plate has a planar wall and one around the outward extending bonding part of described planar wall, and the described step of a plurality of branch manifold casees that provides comprises: the compartment of described positive plate fastens the bonding part of described cloudy plate so that described positive plate covers the step of described cloudy plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810190544.3A CN101769692B (en) | 2008-12-30 | 2008-12-30 | Heat exchanger and processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810190544.3A CN101769692B (en) | 2008-12-30 | 2008-12-30 | Heat exchanger and processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101769692A true CN101769692A (en) | 2010-07-07 |
| CN101769692B CN101769692B (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810190544.3A Expired - Fee Related CN101769692B (en) | 2008-12-30 | 2008-12-30 | Heat exchanger and processing method |
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| CN (1) | CN101769692B (en) |
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- 2008-12-30 CN CN200810190544.3A patent/CN101769692B/en not_active Expired - Fee Related
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| CN101769692B (en) | 2014-02-12 |
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