Box-type integrated water-air heat exchanger

By designing a box-type integrated water-air heat exchanger, adopting a closed outer casing and guide channel drainage structure, and combining it with the wind turbine components to accelerate airflow, the problem of heat dissipation fin damage caused by sand or gravel impact in the environmental heat exchanger of wind turbine generator sets has been solved, achieving more efficient heat exchange and safety.

CN223726944UActive Publication Date: 2025-12-26WUXI YUDA HEAT EXCHANGER
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Patent Information

Application Number
CN202423197441.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-12-26
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

The environmental heat exchangers of existing wind turbine generators are susceptible to damage from sand and gravel impacts in harsh environments, which can lead to damage to the heat dissipation fins and affect the normal operation of the heat exchangers.

Method used

Design a box-type integrated water-air heat exchanger. The enclosed outer casing protects the plate-fin heat exchanger. Combined with guide components and fan components, it prevents impact from external foreign objects and discharges condensate through guide grooves. The fan accelerates airflow to improve heat exchange efficiency.

Benefits of technology

It effectively protects the plate-fin heat exchanger, extends its service life, avoids water accumulation safety hazards, improves heat exchange efficiency and air intake, and ensures normal operation of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of heat exchangers, in particular to a box-type integrated water-air heat exchanger which comprises an outer box body, the front side of the outer box body is movably connected with two sets of movable doors, heat exchange assemblies are arranged in the movable doors, and each heat exchange assembly comprises an inner box body, a plate-fin heat exchanger, a water inlet and a water outlet. An inner box body is mounted in the outer box body, a plate-fin heat exchanger is mounted in the inner box body, a water inlet is fixedly connected to the top of the plate-fin heat exchanger, and two groups of water outlets are fixedly connected to the bottom of the plate-fin heat exchanger. The heat exchange assembly is sealed through the outer box body, so that the plate-fin heat exchanger is prevented from being impacted and damaged by external foreign matters, and the service life of the plate-fin heat exchanger is prolonged; through the arrangement of the guide assembly, condensate water collected through the plate-fin heat exchanger is finally discharged from the water outlet and is discharged from the second guide groove through the guide plate and the first guide groove, and potential safety hazards caused by accumulated water at the bottom are avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger technical field, concretely is a box type integrated water and air heat exchanger. BACKGROUND

[0002] Heat exchanger is the equipment that passes part heat of hot fluid to cold fluid, also called heat exchanger. Heat exchanger occupies important position in chemical industry, petroleum, power, food and other many industrial production. At present, along with the increasing capacity of wind turbine, the high heat loss value of unit itself not only leads to the waste of heat energy, but also leads to the overheating of wind turbine and affects normal operation.

[0003] At present, the Chinese patent with the publication number CN111336702A discloses a cooling system of air-cooled generator, which comprises a generator body, a unit heat exchanger and a circulating pipeline are arranged in the inside of the generator body, the unit heat exchanger is installed on the inside side wall of the generator body and contacts the heat generating part of the generator body, a compressor, an environment heat exchanger and an expansion valve are further arranged on the pipeline of the circulating pipeline, the circulating pipeline is in a backflow shape, and the compressor, the environment heat exchanger and the expansion valve are located outside the generator body or inside the generator body, and the unit heat exchanger is uniformly distributed and contacts the generator body. Through the environment heat exchanger, the environment heat exchanger comprises an outer shell, and the bottom of the outer shell is uniformly provided with heat dissipation fins, and the heat is dissipated to the external environment through the heat dissipation fins.

[0004] However, the current environment heat exchanger has the following problems: most of the wind power stations

[0005] are located in the mountainous or hilly areas with severe environment, and the working environment is windy, and the sand or gravel is often carried in the wind, which will impact the exposed heat dissipation fins, causing damage to the heat dissipation fins and affecting the normal work of the heat exchanger. Therefore, the box type integrated water and air heat exchanger is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a box type integrated water and air heat exchanger to solve the problem that the sand or gravel will impact the exposed heat dissipation fins, causing damage to the heat dissipation fins and affecting the normal work of the heat exchanger.

[0007] To achieve the above object, the utility model provides the following technical scheme: A box type integrated water and air heat exchanger, including the outer box, the front side of outer box is connected with two groups of swing doors, the swing door is provided with heat exchange subassembly, heat exchange subassembly includes inner box, plate fin heat exchanger, water inlet and water outlet, the inner box is installed in the outer box, the inside of inner box is installed with plate fin heat exchanger, the top of plate fin heat exchanger is fixedly connected with water inlet, the bottom of plate fin heat exchanger is fixedly connected with two groups of water outlet.

[0008] Preferably, the bottom of the inner box is provided with a guide assembly, the guide assembly comprises a guide plate, a first guide slot and a second guide slot, the bottom of the plate fin heat exchanger is fixedly connected with the guide plate, the guide plate is located at the bottom of the water outlet, two groups of first guide slots are opened at the bottom of the inner box, and two groups of second guide slots are opened at the bottom of the outer box.

[0009] Preferably, the inside of the inner box is provided with a fan assembly, the fan assembly comprises a first fan and a first grid plate, two groups of first fans are installed at the top of the inner box, and two groups of first grid plates are connected to the outside of the first fan on the left and right sides of the inner box.

[0010] Preferably, the front side of the inner box is fixedly connected with a second grid plate, and the surface of the two groups of swing doors is respectively fixedly connected with a third grid plate.

[0011] Preferably, the top of the outer box is fixedly connected with a support frame, and a second fan is fixedly installed at the center position of the support frame.

[0012] Preferably, the plate fin heat exchanger is inclinedly installed in the inner box, the cross section of the first guide slot and the second guide slot is a right triangle, the first guide slot is located directly below the guide plate, the second guide slot is located below the first guide slot, and the second guide slot is in communication with the outside of the outer box.

[0013] Preferably, four groups of lifting rings are fixedly connected to the top corners of the inner box.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The utility model encloses the heat exchange assembly through the outer box, avoids that the plate fin heat exchanger is damaged by the impact of foreign matters, and improves the service life of the plate fin heat exchanger.

[0016] 2. The utility model is provided with the guide assembly, the airflow is blown into the inner box through the third grid plate and the second grid plate in turn, then passes through the plate fin heat exchanger, and finally the condensed water is discharged from the water outlet, the guide plate and the first guide slot are discharged from the second guide slot, so that the safety hidden danger caused by the water accumulation at the bottom is avoided.

[0017] 3、The utility model discloses a fan assembly is set, in the process of air intake, through the first fan and second fan acceleration cold -blast flow speed, heat exchange is accelerated, and high -efficient heat exchange work is completed, and the air intake is improved, so as to improve the heat exchange efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly describe the drawings needed to be used in the embodiment or prior art description of the utility model

[0019] It is obvious that the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating creative labor.

[0020] Fig. 1 is a structure front view schematic diagram of the utility model;

[0021] Fig. 2 is the structure schematic diagram at the inner box of the utility model;

[0022] Fig. 3 is the structure schematic diagram at the heat exchange assembly of the utility model;

[0023] Fig. 4 is the structure cross section schematic diagram at the inner box of the utility model;

[0024] Fig. 5 is the left view schematic diagram at the outer box in Fig. 1 of the utility model.

[0025] Fig. 1 is a structure front view schematic diagram of the utility model;Fig. 2 is the structure schematic diagram at the inner box of the utility model;Fig. 3 is the structure schematic diagram at the heat exchange assembly of the utility model;Fig. 4 is the structure cross section schematic diagram at the inner box of the utility model;Fig. 5 is the left view schematic diagram at the outer box in Fig. 1 of the utility model.

[0026] 9, support frame;10, second fan. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creating creative labor belong to the scope of protection of the utility model.

[0028] Please refer to Figures 1-5, an embodiment provided by the utility model: a kind of integrated water-air heat exchanger of box type, including outer box 1, the front side of outer box 1 is movably connected with two groups of movable door 2, movable door 2 is provided with heat exchange subassembly 3, heat exchange subassembly 3 includes inner box 31, plate-fin

[0029] Heat exchanger 32, water inlet 33 and water outlet 34, inner box 31 is installed in outer box 1, inner box 31 is installed in the inside, and plate-fin heat exchanger 32 is fixedly connected with water inlet 33 at the top of plate-fin heat exchanger 32, and two groups of water outlet 34 are fixedly connected with the bottom of plate-fin heat exchanger 32;

[0030] The device solves the problem that sand or gravel can impact the exposed heat dissipation fins, causing damage to the heat dissipation fins and affecting the normal operation of the heat exchanger.

[0031] Further, the bottom of inner box 31 is provided with guide assembly 4, guide assembly 4 includes guide plate 41, first guide groove 42 and second guide groove 43, guide plate 41 is fixedly connected with the bottom of plate-fin heat exchanger 32, guide plate 41 is located at the bottom of water outlet 34, two groups of first guide grooves 42 are opened at the bottom of inner box 31, and two groups of second guide grooves 43 are opened at the bottom of outer box 1. As shown in Figures 3 and 5, this structure is used to collect and guide the condensed water at plate-fin heat exchanger 32 through guide plate 41, so that the condensed water flows to first guide groove 42 along guide plate 41, then flows into second guide groove 43 through the guidance of first guide groove 42, and finally is discharged through second guide groove 43, avoiding water accumulation at the bottom of inner box 31 and outer box 1, thereby accelerating the aging speed of the device and easily causing safety hazards.

[0032] Further, fan assembly 5 is arranged inside inner box 31, fan assembly 5 includes first fan 51 and first mesh plate 52, two groups of first fans 51 are installed at the top of inner box 31, and two groups of first mesh plates 52 are connected to the outside of first fan 51 on the left and right sides of inner box 31. As Figure 3 Shown, this structure is used to accelerate air circulation inside inner box 31 by starting first fan 51, so that air flow is discharged outward through first mesh plate 52.

[0033] Further, second mesh plate 6 is fixedly connected to the front side of inner box 31, two groups of movable door 2 are fixedly connected with third mesh plate 7 on the surface of each movable door 2.

[0034] As shown in Figures 1 and Figure 2As shown, the structure is used to block the foreign matter from the outside into the plate-fin heat exchanger 32 through the second grid plate 6 and the third grid plate 7, and the plate-fin heat exchanger 32 is protected.

[0035] Further, the top of the outer box body 1 is fixedly connected with a support frame 9, and the center position of the support frame 9 is fixedly installed with a second fan 10.

[0036] Further, the plate-fin heat exchanger 32 is obliquely installed in the inner box body 31, the first guide groove 42 and the second guide groove 43 are in the shape of a right triangle in cross section, the first guide groove 42 is located directly below the guide plate 41, the second guide groove 43 is located on the lower side of the first guide groove 42, and the second guide groove 43 is in communication with the outside of the outer box body 1. Figure 4 As shown, the structure is used to obliquely install the plate-fin heat exchanger 32, so that the condensed water flows into the guide plate 41, and is then discharged through the first guide groove 42 and the second guide groove 43 in sequence, thereby avoiding the splashing of the fire to other positions and affecting the normal use of the device.

[0037] Further, the top of the inner box body 31 is fixedly connected with four groups of lifting rings 8. Figure 2 As shown, the structure is used to facilitate the transportation and transfer of the inner box body 31 through the four groups of lifting rings 8 at the top of the inner box body 31.

[0038] Working principle: in use, as shown in FIG. 1 and FIG. 2, the airflow is blown into the inner box body 31 through the third grid plate 7 and the second grid plate 6 in sequence, and then through the plate-fin heat exchanger 32, and the condensed water collected by the plate-fin heat exchanger 32 is finally discharged from the water outlet 34, so that the condensed water flows to the first guide groove 42 along the guide plate 41, and then flows into the second guide groove 43 through the guide of the first guide groove 42, and finally is discharged through the second guide groove 43,

[0039] to avoid the accumulation of water at the bottom of the inner box body 31 and the outer box body 1, as shown in FIG. 1 and FIG. 2, the first fan 51 is started to accelerate the air circulation in the inner box body 31, so that the airflow is discharged outward through the first grid plate 52, and the second fan 10 is started to discharge the air in the outer box body 1 from the support frame 9, thereby improving the air intake and improving the heat exchange efficiency. Figure 2 and Figure 3 As shown, the first fan 51 is started to accelerate the air circulation in the inner box body 31, so that the airflow is discharged outward through the first grid plate 52, and the second fan 10 is started to discharge the air in the outer box body 1 from the support frame 9, thereby improving the air intake and improving the heat exchange efficiency.

[0040] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A box-type integrated water-air heat exchanger comprising an outer box (1), characterized in that: The front side of the outer box body (1) is movably connected with two groups of movable doors (2), the movable door (2) is provided with a heat exchange assembly (3), the heat exchange assembly (3) comprises an inner box body (31), a plate-fin heat exchanger (32), a water inlet (33) and a water outlet (34), the inner box body (31) is installed in the outer box body (1), the plate-fin heat exchanger (32) is installed in the inner box body (31), the water inlet (33) is fixedly connected to the top of the plate-fin heat exchanger (32), and the two groups of water outlets (34) are fixedly connected to the bottom of the plate-fin heat exchanger (32).

2. The box-type integrated water-air heat exchanger according to claim 1, characterized in that: The bottom of the inner box body (31) is provided with a guide assembly (4), the guide assembly (4) comprises a guide plate (41), a first guide groove (42) and a second guide groove (43), the guide plate (41) is fixedly connected to the bottom of the plate-fin heat exchanger (32), the guide plate (41) is located at the bottom of the water outlet (34), the two groups of first guide grooves (42) are formed in the bottom of the inner box body (31), and the two groups of second guide grooves (43) are formed in the bottom of the outer box body (1).

3. The box-type integrated water-to-air heat exchanger according to claim 1, characterized in that: The inner box body (31) is provided with a fan assembly (5), the fan assembly (5) comprises a first fan (51) and a first grid plate (52), the two groups of first fans (51) are installed at the top of the inner box body (31), and the two groups of first grid plates (52) are connected to the left and right sides of the inner box body (31) and located outside the first fan (51).

4. The box-type integrated water-to-air heat exchanger according to claim 1, characterized in that: The front side of the inner box body (31) is fixedly connected with a second grid plate (6), the surfaces of the two groups of movable doors (2) are respectively fixedly connected with third grid plates (7). The top of the outer box body (1) is fixedly connected with a support frame (9), and the center of the support frame (9) is fixedly installed with a second fan (10).

5. The box-type integrated water-to-air heat exchanger according to claim 1, characterized in that: The plate-fin heat exchanger (32) is obliquely installed in the inner box body (31), the cross sections of the first guide groove (42) and the second guide groove (43) are right-angled triangles, the first guide groove (42) is located directly below the guide plate (41), the second guide groove (43) is located below the first guide groove (42), and the second guide groove (43) is in communication with the outside of the outer box body (1).

6. The box-type integrated water-to-air heat exchanger according to claim 2, characterized in that: The top of the inner box body (31) is fixedly connected with four groups of lifting rings (8).

7. The box-type integrated water-to-air heat exchanger according to claim 1, characterized in that: ​

Citation Information

Patent Citations

  • Cooling system of air cooling electric generator

    CN111336702A