CN216523326U - Combined plate-fin heat exchanger - Google Patents
Combined plate-fin heat exchanger Download PDFInfo
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- CN216523326U CN216523326U CN202122897401.XU CN202122897401U CN216523326U CN 216523326 U CN216523326 U CN 216523326U CN 202122897401 U CN202122897401 U CN 202122897401U CN 216523326 U CN216523326 U CN 216523326U
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- cooling chamber
- oil cooling
- hydraulic oil
- core body
- fuel oil
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Abstract
The utility model discloses a combined plate-fin heat exchanger which comprises a hydraulic oil radiator and a fuel oil radiator, wherein the hydraulic oil radiator comprises a first core body and a hydraulic oil cooling chamber, the fuel oil radiator comprises a second core body and a fuel oil cooling chamber, the whole core body comprises radiating units and oil liquid circulating units which are arranged in a staggered mode, the radiating units comprise short rods positioned at the end parts of the core body, the oil liquid circulating units comprise long rods used for separating the radiating units and the oil liquid circulating units, the hydraulic oil cooling chamber and the fuel oil cooling chamber are arranged at the end parts of the core body in parallel, the hydraulic oil cooling chamber is connected with the short rods on the end surface of the first core body and the end parts of the long rods at the side edge of the bottom of the hydraulic oil cooling chamber through continuous first welding lines, and the fuel oil cooling chamber is connected with the short rods and the end parts of the long rods at the end surface of the second core body through continuous second welding lines at the side edge of the bottom of the hydraulic oil cooling chamber. The structure of the utility model enables the media to circularly and independently radiate in respective channels, and has the advantages of low manufacturing cost, compact structure, small product volume and convenient installation.
Description
Technical Field
The utility model belongs to the technical field of heat exchangers, and particularly relates to a plate-fin heat exchanger with a combined structure of a fuel oil radiator and a hydraulic oil radiator.
Background
The fuel oil radiator and the hydraulic oil radiator on the market at present are two independent cores which are separately arranged, but in practical application, the two radiators are generally required to be combined for use, and in this case, the two radiators are generally required to be combined together through a complex auxiliary device. The existing combined structure of the fuel oil radiator and the hydraulic oil radiator is complex, large in size, difficult to install and high in cost.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a combined plate-fin heat exchanger with a simple structure.
In order to achieve the purpose, the utility model provides the following technical scheme:
a combined plate-fin heat exchanger comprises a hydraulic oil radiator and a fuel oil radiator, wherein the hydraulic oil radiator comprises a first core body and a hydraulic oil cooling chamber, the fuel oil radiator comprises a second core body and a fuel oil cooling chamber, the first core body and the second core body jointly form a complete core body, the core body comprises radiating units and oil liquid circulation units which are arranged in a staggered mode, each radiating unit comprises a short rod positioned at the end of the core body, the oil liquid circulation unit comprises a long rod for separating the heat dissipation unit and the oil liquid circulation unit, the hydraulic oil cooling chamber and the fuel oil cooling chamber are arranged at the end part of the core body in parallel, the hydraulic oil cooling chamber is connected with the end parts of the short bar and the long bar on the end surface of the first core body through continuous first welding seams at the side edge of the bottom of the hydraulic oil cooling chamber, the fuel cooling chamber is connected at its bottom side with the ends of the short and long rods of the second core end face by a continuous second weld.
Furthermore, the bottom side of hydraulic oil cooling chamber and the bottom side of fuel oil cooling chamber all are provided with the chamfer, the chamfer department of hydraulic oil cooling chamber side is through the end connection of continuous first welding seam and the stub and the long stick of first core terminal surface, the chamfer department of fuel oil cooling chamber side is through the end connection of continuous second welding seam and the stub and the long stick of second core terminal surface.
Furthermore, the fuel oil radiator and the hydraulic oil radiator are connected with each other and independently radiate heat.
Furthermore, the tip side of fuel cooling chamber and the tip side of hydraulic oil cooling chamber all are provided with the chamfer, and are provided with continuous third welding seam and fourth welding seam in chamfer department, fuel cooling chamber passes through the third welding seam with the hydraulic oil cooling chamber and links to each other, fuel cooling chamber, hydraulic oil cooling chamber and stub pass through the fourth welding seam and link to each other.
Furthermore, heat dissipation unit and fluid circulation unit separate through the long stick in the outside of core, and the two separates through the baffle in the inboard of core, the baffle of long stick and long stick both sides encloses jointly and establishes into fluid circulation passageway.
Furthermore, the oil liquid circulation channel is internally provided with an inner fin of a wavy structure extending along the length direction of the short rod.
Further, the heat dissipation unit includes a short bar at an end portion and a plurality of long fins arranged in sequence along an extending direction of the long bar.
Furthermore, the fuel oil cooling chamber is of a structure with an open side, namely comprises a non-closed side, and the non-closed side is connected with the hydraulic oil cooling chamber through a third welding line.
Compared with the prior art, the utility model has the beneficial effects that:
according to the combined plate-fin heat exchanger, the fuel oil radiator and the hydraulic oil radiator are separated through the simple connecting structure, so that the two media are circulated and independently radiated in respective channels, and the combined plate-fin heat exchanger is low in manufacturing cost, compact in structure, small in product size and convenient to install.
Drawings
FIG. 1 is a side view of a composite plate fin heat exchanger (only one end of which is shown in its configuration);
FIG. 2 is a schematic structural view of a hydraulic oil cooling chamber;
FIG. 3 is a top view of a hydraulic oil cooling chamber;
FIG. 4 is a partial schematic view of a hydraulic oil radiator;
FIG. 5 is a schematic view showing an external structure of a fuel cooling chamber;
FIG. 6 is a schematic view showing the internal structure of the fuel cooling chamber;
FIG. 7 is a schematic view of the third and fourth weld locations;
fig. 8 is a schematic view of the overall structure of the combined plate-fin heat exchanger.
The labels in the figure are: 1. a hydraulic oil radiator; 1-1, a first weld seam position; 2. a fuel cooling chamber; 2-1, a second weld seam position; 3. a short bar; 4. a fuel oil radiator; 5. a long fin; 6. a long rod; 7. a third seam position; 8. a fourth seam location; 9. a first core; 10. a second core; 11. and a hydraulic oil cooling chamber.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment provides a composite plate and fin heat exchanger as shown in fig. 1. The heat exchanger comprises a hydraulic oil radiator 1 and a fuel oil radiator 4.
The hydraulic oil radiator 1 includes a first core 9 and a hydraulic oil cooling chamber 11. The fuel radiator 4 includes the second core 10 and the fuel cooling chamber 2. The first core 9 and the second core 10 together constitute a complete core. The core comprises radiating units and oil liquid circulation units which are arranged in a staggered mode, wherein the radiating units comprise short rods 3 located at the end portions of the core, and the core can further comprise a plurality of long fins 5 which are sequentially arranged along the extending direction of long rods 6. The oil liquid circulation unit comprises a long rod 6 which is arranged on the outer side of the core body and used for separating the heat dissipation unit from the oil liquid circulation unit. Further preferably, the heat dissipation units and the oil circulation units are arranged in a staggered manner in the transverse direction of fig. 1, and are separated by the long rods 6 at the outer side of the core body, and are separated by the partition plates (the partition plates are not shown in the figure) at the inner side of the core body, and the long rods 6 and the partition plates at the two sides of the long rods jointly enclose the oil circulation channel. In the present embodiment, an inner fin having a wave-like structure extending in the longitudinal direction of the stub bar 3 is further provided in the oil flow passage, and the inner fin is not shown in the drawing. In the combined plate-fin heat exchanger of the embodiment, the fuel oil radiator and the hydraulic oil radiator are connected with each other but independently radiate heat.
In the present embodiment, the structure of the hydraulic oil cooling chamber 11 is shown in fig. 2, and the structure of the fuel oil cooling chamber 2 is shown in fig. 5 to 6. The hydraulic oil cooling chamber 11 and the fuel oil cooling chamber 2 are arranged side by side at the end of the core, as shown in fig. 3-4, the hydraulic oil cooling chamber 11 is connected at its bottom side with the end of the short rod 3 and the end of the long rod 6 at the end face of the first core 9 by a continuous first weld, and the fuel oil cooling chamber 2 is connected at its bottom side with the end of the short rod 3 and the end of the long rod 6 at the end face of the second core 10 by a continuous second weld. In order to make the joint of the welding seams close and prevent leakage and at the same time avoid the problem of the welding seams blocking the oil liquid flow channel, in this embodiment, chamfers are further provided at the bottom side of the hydraulic oil cooling chamber 11 and the bottom side of the oil cooling chamber 2, as shown in fig. 1 and 4, the chamfer of the bottom side of the hydraulic oil cooling chamber 11 is connected with the end portions of the short rod 3 and the long rod 6 at the end surface of the first core 9 through a continuous first welding seam (the first welding seam is provided at the first welding seam position 1-1 in fig. 1), and the chamfer of the bottom side of the oil cooling chamber 2 is connected with the end portions of the short rod 3 and the long rod 6 at the end surface of the second core 10 through a continuous second welding seam (the second welding seam is provided at the second welding seam position 2-1 in fig. 1).
As shown in fig. 7, on the connecting side of the hydraulic oil cooling chamber 11 and the fuel oil cooling chamber 2, the end side of the fuel oil cooling chamber 2 and the end side of the hydraulic oil cooling chamber 11 are both provided with chamfers, and a third welding seam (the third welding seam is arranged at a third welding seam position 7 in fig. 7) and a fourth welding seam (the fourth welding seam is arranged at a fourth welding seam position 8 in fig. 7) are continuously provided at the chamfers, the fuel oil cooling chamber 2 and the hydraulic oil cooling chamber 11 are connected through the third welding seam, and the fuel oil cooling chamber 2, the hydraulic oil cooling chamber 11 and the short bar 3 are connected through the fourth welding seam. Preferably, as shown in fig. 5 and 6, the fuel cooling chamber 2 in this embodiment is of a side-open structure, i.e., includes a non-closed side, and the non-closed side is connected to the hydraulic oil cooling chamber 11 by a third weld.
The structure of the combined plate-fin heat exchanger enables the whole heat exchanger to comprise two parts, as shown in figure 8, one part is the high-temperature low-pressure fuel oil radiator 4, the other part is the high-temperature high-pressure hydraulic oil radiator 1, and the two media are separated through the connecting structure, so that the media circulate in respective channels to independently radiate heat.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The combined plate-fin heat exchanger is characterized by comprising a hydraulic oil radiator and a fuel oil radiator, the hydraulic oil radiator comprises a first core body and a hydraulic oil cooling chamber, the fuel oil radiator comprises a second core body and a fuel oil cooling chamber, the first core body and the second core body jointly form a complete core body, the core body comprises radiating units and oil liquid circulation units which are arranged in a staggered mode, each radiating unit comprises a short rod positioned at the end of the core body, the oil liquid circulation unit comprises a long rod for separating the heat dissipation unit and the oil liquid circulation unit, the hydraulic oil cooling chamber and the fuel oil cooling chamber are arranged at the end part of the core body in parallel, the hydraulic oil cooling chamber is connected with the end parts of the short bar and the long bar on the end surface of the first core body through continuous first welding seams at the side edge of the bottom of the hydraulic oil cooling chamber, the fuel cooling chamber is connected at its bottom side with the ends of the short and long rods of the second core end face by a continuous second weld.
2. The combined plate-fin heat exchanger according to claim 1, wherein the bottom side of the hydraulic oil cooling chamber and the bottom side of the fuel oil cooling chamber are each provided with a chamfer, the hydraulic oil cooling chamber is connected at the chamfer of the bottom side thereof to the ends of the short and long rods of the first core end face by a continuous first weld, and the fuel oil cooling chamber is connected at the chamfer of the bottom side thereof to the ends of the short and long rods of the second core end face by a continuous second weld.
3. The combined plate-fin heat exchanger as claimed in claim 1 or 2, wherein the fuel oil radiator and the hydraulic oil radiator are connected to each other but independently radiate heat.
4. The combined plate-fin heat exchanger as claimed in claim 1, wherein the end side of the fuel oil cooling chamber and the end side of the hydraulic oil cooling chamber are provided with chamfers, and a third welding seam and a fourth welding seam are continuously formed at the chamfers, the fuel oil cooling chamber and the hydraulic oil cooling chamber are connected through the third welding seam, and the fuel oil cooling chamber and the hydraulic oil cooling chamber are connected with the short bar through the fourth welding seam.
5. The combined plate-fin heat exchanger as claimed in claim 1, wherein the heat dissipating unit and the oil circulating unit are separated by a long rod at the outer side of the core, and are separated by a partition at the inner side of the core, and the partition at both sides of the long rod and the long rod jointly enclose an oil circulating channel.
6. The composite plate fin heat exchanger as claimed in claim 5, wherein the oil flow passage is provided therein with inner fins of a corrugated structure extending in a length direction of the stub bar.
7. The composite plate fin heat exchanger of claim 1, wherein the heat radiating unit includes a short bar at an end portion and a plurality of long fins arranged in sequence along an extending direction of the long bar.
8. The composite plate fin heat exchanger of claim 4, wherein the fuel oil cooling chamber is open-sided, i.e., includes a non-enclosed side, and the non-enclosed side is connected to the hydraulic oil cooling chamber by a third weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122897401.XU CN216523326U (en) | 2021-11-24 | 2021-11-24 | Combined plate-fin heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122897401.XU CN216523326U (en) | 2021-11-24 | 2021-11-24 | Combined plate-fin heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216523326U true CN216523326U (en) | 2022-05-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122897401.XU Active CN216523326U (en) | 2021-11-24 | 2021-11-24 | Combined plate-fin heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216523326U (en) |
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2021
- 2021-11-24 CN CN202122897401.XU patent/CN216523326U/en active Active
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