CN214173054U - Plate-fin heat exchanger core - Google Patents
Plate-fin heat exchanger core Download PDFInfo
- Publication number
- CN214173054U CN214173054U CN202022978046.4U CN202022978046U CN214173054U CN 214173054 U CN214173054 U CN 214173054U CN 202022978046 U CN202022978046 U CN 202022978046U CN 214173054 U CN214173054 U CN 214173054U
- Authority
- CN
- China
- Prior art keywords
- plate
- seal
- assembly
- extrusion
- fin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model belongs to the field of plate-fin heat exchangers, in particular to a plate-fin heat exchanger core, which comprises side plates, a heat dissipation belt, a cooling pipe assembly and a seal assembly, wherein a plurality of heat dissipation belts and a plurality of cooling pipe assemblies are arranged between the side plates at two sides, and each heat dissipation belt and each cooling pipe assembly are alternately arranged; the cooling pipe assembly comprises a plate-fin type single-hole pipe and an inner fin welded in the plate-fin type single-hole pipe; the two ends of each heat dissipation belt are provided with seal assemblies, each seal assembly comprises an extrusion seal and a welding wire, welding wire grooves are formed in the two sides of the end face of each extrusion seal respectively, each welding wire groove is filled with the welding wire, and the welding wires melt during brazing and then weld and seal the extrusion seals and the adjacent cooling pipe assemblies to form cores. The utility model discloses reduced the part kind and the quantity of current plate-fin heat exchanger core, promoted assembly efficiency, made things convenient for core size control, be favorable to assembly line substep production, when reducing plate-fin heat exchanger core leakage rate, improved product appearance.
Description
Technical Field
The utility model belongs to plate-fin heat exchanger field, specifically speaking are plate-fin heat exchanger core.
Background
As shown in fig. 1 to 4, the parts required for assembling the core of the conventional plate-fin heat exchanger include a side plate 1, aluminum strip partition plates 2, a strip seal 3, a heat dissipation strip 4 and an internal channel 5, wherein the internal channel 5 includes two strip seals 501, an upper aluminum strip partition plate 2, a lower aluminum strip partition plate 2 and an inner fin. The assembly sequence of the core of the existing plate-fin heat exchanger is that a side plate 1, an aluminum strip partition plate 2 and a heat dissipation belt 4 are assembled to the side plate 1 on the other side, short sealing strips 3 are placed at two ends of the heat dissipation belt 4, one aluminum strip partition plate 2 forming an internal channel 5 is arranged, long sealing strips 501 are placed at two ends of the aluminum strip partition plate 2, an inner fin 6 is placed between the two long sealing strips 501, the other aluminum strip partition plate 2 forming the internal channel 5 is placed, and circulation is started from the heat dissipation belt 4. The existing plate-fin heat exchanger core has more types and quantities of parts. During assembly, an operator needs to continuously change the types of parts, which wastes time and labor; and need place the part in the widest one end of core during the assembly, must follow spacing frock top promptly and place the part downwards, can't carry out the bottom side and put the assembly. Simultaneously, the flatness of the core body and the size of an angular line are controlled more difficultly, and the requirement on a tool clamp is higher. However, the brazing leakage rate due to the loose fit of the internal channels is still high, which seriously affects the final appearance of the product assembly. Furthermore, the existing plate-fin heat exchanger core body welds and seals the internal channel 5 by melting the coating layer of the aluminum strip partition plate 2, and meanwhile, the welding and sealing of the internal channel 5 and the short seal strip 3 are ensured. The whole brazing process has high requirements on the fitting flatness of parts, and once the parts are not tightly fitted, the core body leakage problem is caused, so that the appearance quality of the product and the use performance of the product are directly influenced.
On the other hand, the whole core part assembly is completely concentrated on the assembly station, and the assembly line distribution production is not facilitated.
SUMMERY OF THE UTILITY MODEL
To full aluminium radiator plate-fin structure part kind and a large amount, assembly difficulty, assembly efficiency are low, the core leaks the leakage rate height, can't realize the production scheduling problem that becomes more meticulous, the utility model aims to provide a plate-fin heat exchanger core realizes the simplification of core part kind and the reduction of quantity, reduces the core and leaks the leakage rate, the core assembly and the size control of being convenient for.
The purpose of the utility model is realized through the following technical scheme:
the utility model comprises side plates, heat dissipation belts, cooling pipe assemblies and seal assemblies, wherein a plurality of heat dissipation belts and a plurality of cooling pipe assemblies are arranged between the side plates at two sides, and each heat dissipation belt and each cooling pipe assembly are alternately arranged; the cooling pipe assembly comprises a plate-fin single-hole pipe and the inner fins welded in the plate-fin single-hole pipe; and two ends of each heat dissipation belt are respectively provided with a seal assembly, each seal assembly comprises an extrusion seal and a welding assembly, the two sides of the end face of each extrusion seal are respectively provided with the welding assemblies, and the welding assembly on each side is used for welding and sealing the extrusion seal and the adjacent cooling pipe assembly during brazing so as to form a core.
Wherein: the welding assembly comprises a welding wire and welding wire grooves, the two sides of the end face of the extrusion seal strip are respectively provided with the welding wire grooves, each welding wire groove is internally provided with the welding wire, and the welding wire melts during brazing and then welds and seals the extrusion seal strip and the adjacent cooling pipe assembly.
And a clamping groove is arranged at one outward end of the end face of the extrusion seal, and is clamped on the end face of the adjacent plate-fin single-hole tube.
And welding wire grooves on two sides of the extrusion seal are symmetrically arranged, and welding wires in the welding wire grooves on each side are used for being welded and sealed with the cooling pipe assembly on the same side.
The welding assembly comprises an extrusion groove and a partition plate/double-coating aluminum strip, the two sides of the end face of the extrusion seal are respectively provided with the extrusion groove, the partition plate/double-coating aluminum strip on each side is extruded in the extrusion groove and further fixed with the extrusion seal, when the partition plate is used as a partition plate, the inner surface and the outer surface of the partition plate are provided with brazing filler metal, and the brazing filler metal is melted during brazing so that the partition plate is respectively welded and sealed with the extrusion seal and the adjacent cooling pipe assembly; in the case of a double-coated aluminum strip, the double coating of the aluminum strip melts during brazing so that the aluminum strip is welded and sealed with the extrusion seal and the adjacent cooling tube assembly respectively.
The two extrusion grooves are formed in each side, two ends of the partition plate/double-coating aluminum strip are bent towards one side of the extrusion seal strip and then bent outwards, and the bent parts are extruded in the extrusion grooves.
The plate-fin type single-hole pipe is of an integrally formed structure.
The end face of the plate-fin type single-hole tube is rectangular, and the inner surfaces of the left side and the right side of the rectangle are inwards provided with tip portions.
The utility model discloses an advantage does with positive effect:
1. the plate-fin single-hole pipe design of the utility model replaces the internal channel composed of the partition plate and the long seal strip in the prior art, the parts are simple, the number of the parts is changed from four to one, the types and the number of the parts are reduced, the control and the placement of the parts are facilitated, and the operation of operators is facilitated; on the other hand, the plate-fin single-hole tube reduces the problem that the long seal is not firmly matched with the partition plate and the leakage generated after welding, and reduces the leakage rate of the internal channel.
2. The utility model discloses a cooling tube assembly assembles in advance, assembles plate fin formula haplopore pipe and interior fin in advance, only needs assembly cooling tube assembly during the assembly, when having replaced current plate fin formula core assembly, puts the operation of baffle, long strip of paper used for sealing, interior fin and baffle, assembles the part substep, and the lean distribution production of being convenient for, the assembly step is changed into one step by five steps simultaneously, has promoted assembly efficiency.
3. The utility model discloses the strip of paper used for sealing assembly of constituteing by extrusion strip of paper used for sealing and welding wire welds the connection of guaranteeing strip of paper used for sealing and cooling tube assembly through melting of welding wire in the stove of brazing and seals, promotes welded fastness, reduces the leakage rate of plate-fin core assembly.
4. On one hand, the utility model has no more strict requirements on the brazing clamp, and the brazing clamp does not need to be specially manufactured, thereby reducing the production cost of the clamp; on the other hand, the utility model discloses a plate-fin heat exchanger core can directly borrow the intelligent continuous type inert gas brazing furnace that current tube-strip core used when brazing and carry out the core and braze, need not to increase new equipment of brazing.
Drawings
FIG. 1 is a schematic structural diagram of a conventional plate-fin heat exchanger core;
FIG. 2 is an exploded view of the internal passages in a prior art plate fin heat exchanger core;
FIG. 3 is an end view of a long and short seal in a prior art plate fin heat exchanger core;
FIG. 4 is a schematic diagram of the internal passages in a conventional plate fin heat exchanger core;
fig. 5 is a schematic structural view of the present invention;
FIG. 6 is a schematic structural view of the cooling tube assembly of the present invention;
FIG. 7 is a schematic structural view of the plate-fin type single-hole tube shown in FIG. 6;
fig. 8 is a schematic structural view of a seal assembly according to a structure of the present invention;
FIG. 9 is a schematic view of the pinch seal of FIG. 8;
FIG. 10 is a schematic view of a seal assembly of another construction in accordance with the present invention;
wherein: 1 is the curb plate, 2 is the aluminium strip baffle, 3 is the short strip of paper used for sealing, 4 is the heat dissipation area, 5 is interior passageway, 501 is long strip of paper used for sealing, 6 is interior fin, 7 is the cooling tube assembly, 701 is the plate fin formula haplopore pipe, 8 is the strip of paper used for sealing assembly, 801 is the extrusion strip of paper used for sealing, 802 is the welding wire, 803 is the welding wire groove, 804 is the draw-in groove, 9 is the sharp portion.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Example one
As shown in fig. 5-9, the plate-fin heat exchanger core of the present invention includes a side plate 1, a heat dissipation belt 4, a cooling tube assembly 7 and a seal assembly 8, wherein a plurality of heat dissipation belts 4 and a plurality of cooling tube assemblies 7 are disposed between the side plates 1 of both sides, and each heat dissipation belt 4 and each cooling tube assembly 7 are alternately disposed.
The cooling tube assembly 7 of the embodiment comprises a plate-fin type single-hole tube 701 and an inner fin 6 welded in the plate-fin type single-hole tube 701, wherein the plate-fin type single-hole tube 701 is of an integrally formed structure, the sealing performance is obviously higher than that of an internal channel 5 welded by matching with an existing core body, and the leakage rate of the core body is reduced; the end face of the plate-fin single-hole tube 701 of the embodiment is rectangular, the inner surfaces of the left side and the right side of the rectangle are provided with tip portions 9 inwards, and the design of the tip portions 9 is used for pressing the inner fins 6 so as to ensure that the inner fins 6 are welded better.
Two ends of each heat dissipation belt 4 are provided with seal assemblies 8, each seal assembly 8 comprises an extrusion seal 801 and a welding component, the two sides of the end face of the extrusion seal 801 are respectively provided with the welding component, and the welding component on each side welds and seals the extrusion seal 801 and the adjacent cooling pipe assembly 7 during brazing, so that a core body is formed.
The welding assembly of the embodiment comprises a welding wire 802 and a welding wire groove 803, wherein a clamping groove 804 is arranged at one end, facing outwards, of the end face of the extrusion seal 801, and the clamping groove 804 is clamped on the end face of the adjacent plate-fin type single-hole pipe 701; welding wire grooves 803 are respectively formed in two sides of the end face of the extrusion seal 801, the welding wire grooves 803 on two sides of the extrusion seal 801 are symmetrically arranged, the welding wire grooves 803 are located within the end face of the plate-fin type single-hole pipe 701, a welding wire 802 is contained in each welding wire groove 803, and the welding wire 802 melts during brazing to further weld and seal the extrusion seal 801 and an adjacent cooling pipe assembly 7, so that a core body is formed. The material of the seal assembly 8 of the present embodiment is 3003 aluminum material.
The installation and the working principle of the embodiment are as follows:
the whole core assembly of this embodiment can be from operator's forward, and curb plate 1, heat dissipation area 4 and cooling tube assembly 7 are put in proper order to the positive bottom of core promptly, then heat dissipation area 4 and cooling tube assembly 7 circulation, and the strip of paper used for sealing assembly 8 is installed respectively at the both ends of every heat dissipation area 4 again after the core assembly is accomplished until accomplishing putting of last curb plate 1. This embodiment part kind and quantity reduce, put from low to high directly putting in turn, convenient and fast promotes assembly efficiency, does benefit to assembly line production.
The only parts to be assembled in this embodiment are the cooling tube assembly assembled by the plate-fin type single-hole tube 701 and the inner fin 6, and the seal assembly 8 assembled by the extrusion seal 801, the welding wire 802 and the welding wire groove 803. The plate-fin single-hole tube 701 and the inner fins 6 are assembled into a cooling tube assembly 7 to replace the internal passages 5 of the conventional plate-fin core.
The plate-fin heat exchanger core of the present embodiment ensures the welding seal of the extruded seal 801 and the cooling tube assembly 7 by the melting and welding of the welding wire 802 inside the seal assembly 8 during the brazing process. The sealing performance of the integrated structure of the plate-fin single-hole pipe 801 is obviously higher than that of an internal channel which is welded in a matched mode, and the leakage rate of the plate-fin core body is reduced.
Example two
As shown in fig. 5 to 7 and fig. 10, the present embodiment is different from the first embodiment in that: the welding assembly of the present embodiment includes two extrusion grooves 805 and two partition/double-coated aluminum strips 806, the two sides of the end surface of the extrusion seal 801 are respectively provided with the extrusion grooves 805, each side of the present embodiment has two extrusion grooves 805, and the partition/double-coated aluminum strips 806 on each side are extruded in the extrusion grooves 805 and further fixed with the extrusion seal 801; both ends of the partition/double-coated aluminum strip 806 of this embodiment are bent toward one side of the extrusion seal 801, and then bent outward, and the bent portions are extruded in the extrusion grooves 805. When the partition plate is used, the inner surface and the outer surface of the partition plate are provided with brazing filler metal, and the brazing filler metal is melted during brazing so that the partition plate is respectively welded and sealed with the extrusion seal 801 and the adjacent cooling pipe assembly 7; in the case of a double-clad aluminum strip, the double cladding of the aluminum strip melts during brazing so that the aluminum strip is welded and sealed with the extrusion seal 801 and the adjacent cooling tube assembly 7. The only parts to be assembled in this embodiment are the cooling tube assembly assembled by the plate-fin type single-hole tube 701 and the inner fin 6, and the seal assembly 8 assembled by the extrusion seal 801, the extrusion groove 805 and the partition/double-clad aluminum strip 806. The plate-fin heat exchanger core of the present embodiment ensures the welding sealing of the partition/double-coated aluminum strip 806 with the extrusion seal 801 and the cooling tube assembly 7 respectively by the melting welding of the brazing filler metal on the partition/double-coated aluminum strip 806 with the brazing filler metal inside the seal assembly 8 during the brazing. The rest is the same as the first embodiment.
Claims (8)
1. The utility model provides a plate-fin heat exchanger core, includes curb plate, heat dissipation area, its characterized in that: the heat dissipation structure is characterized by further comprising cooling pipe assemblies (7) and sealing strip assemblies (8), wherein a plurality of heat dissipation belts (4) and a plurality of cooling pipe assemblies (7) are arranged between the side plates (1) on the two sides, and the heat dissipation belts (4) and the cooling pipe assemblies (7) are alternately arranged; the cooling pipe assembly (7) comprises a plate-fin type single-hole pipe (701) and inner fins (6) welded in the plate-fin type single-hole pipe (701); each two ends of each heat dissipation belt (4) are provided with a seal assembly (8), each seal assembly (8) comprises an extrusion seal (801) and a welding assembly, the welding assemblies are arranged on two sides of the end face of each extrusion seal (801), and the welding assemblies on each side are used for welding and sealing the extrusion seal (801) and the adjacent cooling pipe assemblies (7) during brazing so as to form a core body.
2. The plate fin heat exchanger core of claim 1, wherein: the welding assembly comprises a welding wire (802) and a welding wire groove (803), the welding wire groove (803) is formed in each of two sides of the end face of the extrusion seal (801), each welding wire groove (803) is filled with the welding wire (802), and the welding wires (802) are melted during brazing and then seal the extrusion seal (801) and the adjacent cooling pipe assembly (7) in a welding mode.
3. The plate fin heat exchanger core of claim 2, wherein: one end, facing outwards, of the extrusion seal (801) is provided with a clamping groove (804), and the clamping groove (804) is clamped on the end face of the adjacent plate-fin type single-hole pipe (701).
4. The plate fin heat exchanger core of claim 2, wherein: welding wire grooves (803) on two sides of the extrusion seal (801) are symmetrically arranged, and welding wires (802) in the welding wire grooves (803) on each side are used for being welded and sealed with the cooling pipe assembly (7) on the same side.
5. The plate fin heat exchanger core of claim 1, wherein: the welding assembly comprises an extrusion groove (805) and a partition plate/double-coated aluminum strip (806), the two sides of the end face of the extrusion seal (801) are respectively provided with the extrusion groove (805), the partition plate/double-coated aluminum strip (806) on each side is extruded in the extrusion groove (805) and further fixed with the extrusion seal (801), when the partition plate is used, brazing filler metal is arranged on the inner surface and the outer surface of the partition plate, and the brazing filler metal is melted during brazing so that the partition plate is respectively welded and sealed with the extrusion seal (801) and the adjacent cooling pipe assembly (7); in the case of a double-clad aluminum strip, the double cladding of the aluminum strip melts during brazing so that the aluminum strip is welded and sealed with the extrusion seal (801) and the adjacent cooling tube assembly (7), respectively.
6. The plate fin heat exchanger core of claim 5, wherein: the number of the extrusion grooves (805) on each side is two, two ends of the partition plate/double-coated aluminum strip (806) are bent towards one side of the extrusion seal (801) and then bent outwards, and the bent parts are extruded in the extrusion grooves (805).
7. The plate fin heat exchanger core of claim 1, wherein: the plate-fin type single-hole pipe (701) is of an integrally formed structure.
8. The plate fin heat exchanger core of claim 1, wherein: the end face of the plate-fin type single-hole pipe (701) is rectangular, and the inner surfaces of the left side and the right side of the rectangle are inwards provided with tip portions (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022978046.4U CN214173054U (en) | 2020-12-10 | 2020-12-10 | Plate-fin heat exchanger core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022978046.4U CN214173054U (en) | 2020-12-10 | 2020-12-10 | Plate-fin heat exchanger core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214173054U true CN214173054U (en) | 2021-09-10 |
Family
ID=77606139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022978046.4U Active CN214173054U (en) | 2020-12-10 | 2020-12-10 | Plate-fin heat exchanger core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214173054U (en) |
-
2020
- 2020-12-10 CN CN202022978046.4U patent/CN214173054U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10060687B2 (en) | Connecting member and micro-channel heat exchanger | |
| US4377024A (en) | Method of making a heat exchanger | |
| CN112432526A (en) | Plate-fin heat exchanger core | |
| CN214173054U (en) | Plate-fin heat exchanger core | |
| CN210325777U (en) | Liquid cooling heat dissipation device for copper-aluminum pipe | |
| CN111048708A (en) | Lower box body of battery box | |
| CN110610912A (en) | Liquid cooling heat dissipation device for copper aluminum pipe and machining method thereof | |
| CN111328250A (en) | High-efficiency section bar liquid cooling radiator and processing method thereof | |
| US20200111725A1 (en) | Stacked heat exchanger and method for producing stacked heat exchanger | |
| CN114810275A (en) | Oil cooler and machining process thereof | |
| CN115441086A (en) | Welding and grouping method for liquid cooling heat dissipation structures of energy storage battery pack | |
| CN115388683A (en) | Welding structure of plate-fin reactor | |
| CN102651583A (en) | Water cooling motor casing and water passage sealing structure of water cooling motor casing | |
| CN213124552U (en) | Cooling device for new energy automobile battery | |
| CN212378573U (en) | Aluminum temperature-equalizing plate without tube sealing | |
| CN218100905U (en) | Oil duct double-line circulating finned radiator | |
| CN219319147U (en) | Sealing strip for heat exchanger | |
| CN209857722U (en) | Short seal strip for plate-fin radiator | |
| CN209181308U (en) | Micro-channel heat exchanger | |
| CN210664073U (en) | Heat exchange device with auxiliary heat exchange function | |
| CN1448242A (en) | Improvement of soldering process of cold drawn tube without composite bed for aluminum soldering radiator | |
| CN211777753U (en) | EGR cooler casing and EGR cooler | |
| CN205373496U (en) | Flat pipe adds not flaring of convex closure stove and welds formula water tank | |
| CN215524272U (en) | Concatenation formula water-cooling board | |
| CN212988076U (en) | Fin type radiator core, fin type radiator and heat dissipation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |