CN213421920U - Different material laminated plate heat exchanger - Google Patents
Different material laminated plate heat exchanger Download PDFInfo
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- CN213421920U CN213421920U CN202022428293.7U CN202022428293U CN213421920U CN 213421920 U CN213421920 U CN 213421920U CN 202022428293 U CN202022428293 U CN 202022428293U CN 213421920 U CN213421920 U CN 213421920U
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- flow channel
- runner
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Abstract
The utility model discloses a xenogenesis material lamination plate heat exchanger, including two-sided runner base plate, two-sided runner abnormal shape cold drawing, single face runner base plate and side are imported and exported, and two-sided runner base plate and two-sided runner abnormal shape cold drawing can set up to upper and lower two sides intercommunication or not communicate, and the runner on its two sides of two-sided runner base plate and two-sided runner abnormal shape cold drawing can be for the same form also can be different forms to it welds the region to be provided with friction stir welding. The double-sided flow channel base plate, the double-sided flow channel special-shaped cold plate and the single-sided flow channel base plate are alternately stacked to realize heat exchange of multiple media, the double-sided flow channel base plate, the double-sided flow channel special-shaped cold plate and the single-sided flow channel base plate can adopt dissimilar materials to realize directional control of heat conduction according to different flow channel media, and meanwhile, the medium flow channel form and the flow channel stacking layer number can be flexibly set according to use requirements, so that the structure of the heat exchanger is more compact.
Description
Technical Field
The utility model relates to a plate heat exchanger, in particular to xenogenesis material lamination plate heat exchanger.
Background
At present, in the field of heat transfer, plate heat exchangers are widely applied in various industries due to compact structure, large heat transfer area and high heat exchange efficiency. The prior cold plate heat exchanger mostly adopts an aluminum alloy plate with double-sided flow channels and two side cover plates to be brazed into a plate group, and the assembly of a plurality of plate groups is mostly connected by clamping bolts, buckles or edge brazing. The technical scheme of the cold plate made of the dissimilar materials is that a copper runner pipe is mostly embedded in a runner groove of an aluminum alloy substrate, the energy conduction of a medium is diffused towards all directions all the time, the function of energy directional flow is not provided, a plurality of cold plate groups are required to be assembled in parallel through buckles, bolts and the like to control the temperature of each medium in the application scene of heat exchange of various media, and comprehensive heat exchange of various media cannot be realized. Aiming at the problems, the utility model provides a dissimilar material laminated plate type heat exchanger through research and test, the upper and lower surfaces of the flow channel can adopt dissimilar materials, so that the heat conduction of the medium in the flow channel has certain directionality, one side of the material with higher heat conductivity is adopted to transfer more heat, one side of the material with lower heat conductivity is adopted to transfer less heat, the directional and quantitative conduction of the heat can be realized by improving design parameters and the flow channel form, realizes the comprehensive heat exchange of various media in one cold plate group or one heat exchanger, reasonably utilizes the waste heat of the system, and effectively reduces the power consumption of other parts in the heat management system, such as a pump, a fan and the like, further improves the system efficiency, and compact, a plurality of cold plate groups can integrative welding shaping, improve system installation efficiency, save the installation volume, satisfy various use scenarios.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a be not enough to prior art, the main aim at provides a can satisfy under the high temperature condition laminated plate heat exchanger of multimedium heat transfer, saves the buckle, and group mounting structure such as bolt improves current plate heat exchanger structure, further reduces the volume, makes system architecture more compact.
In order to achieve the above purpose, the utility model provides a following technical scheme: a laminated plate heat exchanger with heterogeneous material is composed of a double-surface flow channel base plate, a double-surface cover plate, and an inlet and an outlet on the side surface of base plate.
Preferably, the substrate and the cover plate can be made of heat conducting materials such as copper alloy, aluminum alloy and the like, and the double-sided flow channel substrate and the double-sided cover plate can be made of the same material or different materials. The double-sided flow channel base plate and the double-sided cover plate are stacked in a staggered mode, the number of stacked layers of the plate heat exchanger can be flexibly adjusted according to actual heat exchange requirements, upper and lower flow channels of the double-sided flow channel base plate can be in the same shape or different shapes according to actual needs, and the flow channels can be in U-shaped, S-shaped or other shapes. The base plate and the cover plate are both provided with friction stir welding areas, and one-time welding can finish welding of a group of base plates and the cover plate and can also simultaneously weld a plurality of plate groups.
Preferably, fins or other structures can be arranged on the double-sided flow channel base plate and the double-sided cover plate to perform a turbulent flow effect and increase a heat exchange area.
The utility model discloses have following advantage for prior art, compact structure, it is small, can realize multilayer heat transfer runner one shot forming, reduced the installation time and the cost of labor of system's spare part. In the system of multimedium while heat transfer, the heat exchanger can select different base plates or apron materials for use to the difference of heat transfer power, corrosion resistance, temperature toleration requirement to different medium, to the multimedium heat transfer, the design equipment of heat exchanger is more nimble. Compared with the common plate heat exchanger at present, the condition that a plurality of heat exchangers are required to be connected in series or in parallel for certain different heat exchange media is effectively improved. The directional quantitative control of the energy flow of the medium in the heat exchanger can be realized, the heat energy of the system can be more efficiently and comprehensively utilized, the waste of the energy of the system and the emission of waste heat are reduced, and the energy utilization rate of the system is improved.
Drawings
Fig. 1 is a schematic view of a dissimilar material laminated plate heat exchanger.
Fig. 2 is an exploded view of a stacked plate heat exchanger made of dissimilar materials.
Fig. 3 is a schematic structural diagram of a double-sided flow channel substrate.
Fig. 4 is a structural schematic diagram of a double-sided flow channel special-shaped cold plate.
FIG. 5 is a schematic diagram of a single-sided flow channel substrate structure.
In the figure: 1. a double-sided flow channel substrate; 2. a double-sided runner special-shaped cold plate; 3. a single-sided runner substrate; 4. side inlet and outlet
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, a laminated plate heat exchanger with dissimilar material layers comprises a double-sided flow channel substrate 1, a double-sided cover plate 2, an inlet and an outlet 3 on the side surface of the substrate, the design form and the number of the inlet and the outlet can be improved or changed according to the system requirements, a friction stir welding area is arranged at the splicing position of the double-sided flow channel substrate 1 and the double-sided cover plate 2, welding of a single-layer or multi-layer substrate and cover plate can be carried out by changing the thickness of the welding area, the plate thickness and the length of a friction welding stirring pin, the same medium can flow through adjacent laminated plate flow channels and different media can also flow through the adjacent laminated plate flow channels, the media exchange heat with the medium in the adjacent flow channels of the substrate or the cover plate when the flow channels flow. In addition, the friction stir welding has good welding performance of dissimilar materials, when the heat exchanger is designed, the base plate and the cover plate are made of different material combinations, so that heat exchange and process requirements of different media can be met, copper and copper alloy with good heat conduction can be adopted for a medium requiring high heat exchange power, stainless steel with good high temperature resistance can be adopted for a medium requiring high temperature to form a flow channel, and aluminum alloy with high heat conductivity and low cost can be adopted for a medium requiring low temperature and corrosion resistance, and the examples are not limited. All medium runners made of different materials are stacked and combined through a friction stir welding process, and integrated processing is directly performed after design is completed, so that compared with a manual assembly mode of all medium independent heat exchangers, a large amount of time cost is saved.
The double-sided runner base plate and the double-sided cover plate are stacked in a staggered mode, the number of layers of the plate heat exchanger can be flexibly adjusted according to actual heat exchange requirements, the base plate and the cover plate are provided with friction stir welding areas, and one-time welding can be carried out to complete welding of a group of base plates and the cover plate and can also be carried out to weld a plurality of groups of base plates and the cover plate simultaneously.
The upper and lower runners of the double-faced runner substrate can be in the same shape or different shapes according to actual needs, and the runners can be in U-shaped, S-shaped or other shapes. Therefore, the requirement of temperature distribution uniformity in the system can be met, when the heat exchanger is arranged, temperature can be uniformly distributed or easily overheated elements can be avoided by changing different flow passage forms, and the embodiment is not limited.
Fins, fins or other structures can be arranged on the double-sided flow channel base plate and the double-sided cover plate to perform turbulence effect and increase the heat exchange area, and the heat exchange power of the system is improved.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (3)
1. The utility model provides a dissimilar material lamination plate heat exchanger which characterized in that: the double-sided runner special-shaped cold plate heat exchanger comprises a double-sided runner substrate, a double-sided runner special-shaped cold plate, a single-sided runner substrate, a side inlet and a side outlet, wherein the double-sided runner substrate, the double-sided runner special-shaped cold plate and the single-sided runner substrate are made of dissimilar materials, one double-sided runner substrate and two double-sided runner special-shaped cold plates form a cold plate group, and the heat exchanger comprises at.
2. The dissimilar material laminated plate heat exchanger according to claim 1, wherein: the double-sided flow channel substrate and the double-sided flow channel special-shaped cold plate are formed by welding different materials, the upper side and the lower side of the same flow channel are different in material and heat conduction rate, and therefore heat directional conduction is achieved.
3. The dissimilar material laminated plate heat exchanger according to claim 1, wherein: the upper and lower runners of the double-faced runner substrate and the double-faced runner special-shaped cold plate are U-shaped or S-shaped.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022428293.7U CN213421920U (en) | 2020-10-28 | 2020-10-28 | Different material laminated plate heat exchanger |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022428293.7U CN213421920U (en) | 2020-10-28 | 2020-10-28 | Different material laminated plate heat exchanger |
Publications (1)
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CN213421920U true CN213421920U (en) | 2021-06-11 |
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CN202022428293.7U Active CN213421920U (en) | 2020-10-28 | 2020-10-28 | Different material laminated plate heat exchanger |
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2020
- 2020-10-28 CN CN202022428293.7U patent/CN213421920U/en active Active
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