CN219284064U - Heat exchanger and travelling air cooling system - Google Patents
Heat exchanger and travelling air cooling system Download PDFInfo
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- CN219284064U CN219284064U CN202320841649.0U CN202320841649U CN219284064U CN 219284064 U CN219284064 U CN 219284064U CN 202320841649 U CN202320841649 U CN 202320841649U CN 219284064 U CN219284064 U CN 219284064U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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Abstract
The application discloses heat exchanger and walk a line forced air cooling system, the heat exchanger includes: the air guide device comprises an air guide body, a first cavity, a core body, a second cavity and a mounting plate, wherein one end of the first cavity is connected with the air guide body, the other end of the first cavity is connected with the core body, the core body is arranged between the first cavity and the second cavity, the mounting plate is arranged on the side wall of the core body, the top surfaces of the air guide body, the first cavity, the core body and the second cavity are connected to form a convex arc-shaped surface, and the bottom surfaces of the air guide body, the first cavity, the core body and the second cavity are connected to form a plane; the running air cooling system comprises a pump, a heating device, a liquid storage tank and a heat exchanger which are connected through pipelines. By adopting the structure, the pressure difference is formed on the upper surface and the lower surface of the heat exchanger, and the pressure difference is larger as the air flows through the heat exchanger, so that convection air directly passing through the heat exchanger is formed, a forced convection heat exchange effect is formed, and the heat dissipation efficiency of the running air-cooled heat exchanger is greatly improved.
Description
Technical Field
The utility model relates to the technical field of cooling heat exchange, in particular to a heat exchanger and a travelling air cooling system.
Background
The application of cooling systems in various industries is an extremely important ring in relation to the safe operation and service life of the electromechanical devices being cooled. In recent years, a cooling system with high efficiency and low energy consumption is urgently needed, and the cooling system is applied to rail transit. However, in the prior art, a cooling mode of forced ventilation is generally adopted for heat exchange of a transformer and a converter in a rail transit cooling system, and when the cooling mode is operated, the noise of a cooling fan is large, the vibration is strong, so that larger driving power is required, and the operation and maintenance costs are high due to the fact that whether the cooling fan is normally operated or not is required to be monitored in real time. In the prior art, the design scheme of running air cooling is influenced by the design structure and the size of the whole train, and the requirement of heat dissipation during train operation is difficult to meet.
In summary, how to provide a traveling air cooling system that fits the overall structure and size of a train and improves the heat dissipation efficiency is a problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, an object of the present utility model is to provide a heat exchanger and a running air cooling system, which can improve heat dissipation efficiency and can dissipate heat both when a train runs and when the train is stationary.
In order to achieve the above object, the present utility model provides the following technical solutions:
a heat exchanger, comprising: the novel air conditioner comprises an air guide body, a first cavity, a core body, a second cavity and a mounting plate, wherein one end of the first cavity is connected with the air guide body, the other end of the first cavity is connected with the core body, the core body is arranged between the first cavity and the second cavity, the mounting plate is arranged on the side wall of the core body, the top surfaces of the air guide body, the first cavity, the core body and the second cavity are connected to form a convex arc-shaped surface, and the bottom surfaces of the air guide body, the first cavity, the core body and the second cavity are connected to form a plane.
The utility model provides a heat exchanger, the core includes liquid side fin, the bellied arcwall face is established to the top surface of liquid side fin, the bottom surface of liquid side fin is established to the plane, liquid side fin is equipped with a plurality of, a plurality of liquid side fin evenly distributed be in first cavity with between the second cavity, first cavity is equipped with the entry, the second cavity is equipped with the export, follow the liquid flow in of entry is flowed through liquid side fin, follow the export flows out.
A heat exchanger, the core further comprising: the air side fin comprises a partition plate and air side fins, wherein the top surface of each air side fin is provided with a convex arc surface, the bottom surface of each air side fin is provided with a plane, each air side fin is arranged between two adjacent liquid side fins, and the partition plate is used for separating the air side fins from the liquid side fins.
A heat exchanger, the core further comprising: the fin seal is provided with two ends which are respectively arranged at the liquid side fin and the air side fin, and the liquid side seal is arranged at the top surface of the liquid side fin and is in an arc shape which is attached to the top surface of the liquid side fin.
The utility model provides a heat exchanger, the core still includes the shrouding locates respectively the both ends of fin strip of paper used for sealing, connect two fin strip of paper used for sealing, the top surface of shrouding is established to bellied arcwall face, the bottom surface of shrouding is established to the plane.
A heat exchanger is provided in which the number of air-side fins provided between two adjacent liquid-side fins is plural.
The running air cooling system is used for cooling a heating device and comprises a pump and a liquid storage tank, and further comprises the heat exchanger, wherein the heat exchanger, the heating device, the pump and the liquid storage tank are connected through pipelines.
A running air cooling system comprises a heat exchanger arranged on the top surface or the bottom surface of a train, wherein an included angle is formed between the bottom surface of the heat exchanger and the top surface or the bottom surface of the train
Compared with the background art, the heat exchanger provided by the utility model comprises: the novel air guide device comprises an air guide body, a first cavity, a core body, a second cavity and a mounting plate, wherein one end of the first cavity is connected with the air guide body, the other end of the first cavity is connected with the core body, the core body is arranged between the first cavity and the second cavity, the mounting plate is arranged on the side wall of the core body, the top surfaces of the air guide body, the first cavity, the core body and the second cavity are connected to form a convex arc-shaped surface, and the bottom surfaces of the air guide body, the first cavity, the core body and the second cavity are connected to form a plane.
The heat exchanger adopting the structure has the advantages that the upper surface and the lower surface are of asymmetric structures, the top surface is a convex arc-shaped surface, and the bottom surface is a plane. When air flows through the heat exchanger, the flow speed of air flow on the top surface is faster, the flow speed of air flow on the bottom surface is slower, the atmospheric pressure of slow flow is larger, and the atmospheric pressure of fast flow is smaller, so that the pressure difference is formed on the upper surface and the lower surface, and the pressure difference is larger as the air flows through the heat exchanger, thereby forming convection air directly passing through the heat exchanger, forming forced convection heat exchange effect, and greatly improving the heat dissipation efficiency of the running air-cooled heat exchanger.
The running air cooling system provided by the utility model is used for cooling a heating device and comprises a pump, a liquid storage tank and a heat exchanger, wherein the heat exchanger, the heating device, the pump and the liquid storage tank are connected through pipelines, and an elevation angle is formed between the heat exchanger and the running direction of a train. Therefore, a small part of running wind directly passes through the heat exchanger to perform convection heat exchange during running of the train, and the heat exchange efficiency is further improved. When the train is stationary, the heat exchanger radiates heat through natural convection, and the radiating fins are basically consistent with the vertical direction to form natural convection radiation. The heat exchanger has a simple structure, can effectively improve the heat dissipation efficiency, and has good manufacturability and economy.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of a heat exchanger provided by the present utility model;
FIG. 2 is a block diagram of a core provided by the present utility model;
FIG. 3 is a front view of a liquid side fin provided by the present utility model;
FIG. 4 is a left side view of a liquid side fin provided by the present utility model;
FIG. 5 is a front view of an air side fin provided by the present utility model;
FIG. 6 is a top view of an air side fin provided by the present utility model;
FIG. 7 is a schematic diagram of a traveling wind cooling system according to the present utility model;
fig. 8 is a schematic diagram of an installation angle of a heat exchanger provided by the utility model.
Wherein:
1-wind guiding body, 2-first chamber, 21-inlet,
3-core, 31-liquid side fin, 32-separator, 33-air side fin, 34-fin seal, 35-liquid side seal, 36-seal plate,
4-second chamber, 41-export, 5-mounting panel, 6-heating device, 7-pump, 8-liquid storage pot.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
The present utility model will be further described in detail below with reference to the drawings and detailed description for the purpose of enabling those skilled in the art to better understand the aspects of the present utility model.
The heat exchanger that this application embodiment provided includes: the novel air guide device comprises an air guide body 1, a first cavity 2, a core body 3, a second cavity 4 and a mounting plate 5, wherein one end of the first cavity 2 is connected with the air guide body 1, the other end of the first cavity 2 is connected with the core body 3, the core body 3 is arranged between the first cavity 2 and the second cavity 4, the mounting plate 5 is arranged on the side wall of the core body 3, the top surfaces of the air guide body 1, the first cavity 2, the core body 3 and the second cavity 4 are connected to form a convex arc-shaped surface, and the bottom surfaces of the air guide body 1, the first cavity 2, the core body 3 and the second cavity 4 are connected to form a plane. Reference is made to figures 1 to 8 of the accompanying drawings, which include:
it should be noted that the heat exchanger can timely transfer the heat generated in the working process of the device so as to avoid affecting the normal working of the device. The heat exchanger that this application provided is through wind-guiding body 1, first cavity 2, core 3 and the four concatenation of second cavity 4 form upper and lower surface and be asymmetric structure, and the top surface of heat exchanger is the bellied arcwall face that makes progress, and the bottom surface is the plane. Thus, when air flows through the heat exchanger, the air flow speed of the top surface is faster, the air flow speed of the bottom surface is slower, the atmospheric pressure of the slow flow is larger, and the atmospheric pressure of the fast flow is smaller according to the basic principle of fluid mechanics, so that the pressure difference is formed on the upper surface and the lower surface, and the pressure difference is larger as the air flow speed is higher, thereby forming convection air which directly passes through the heat exchanger, forming forced convection heat exchange effect, and greatly improving the heat dissipation efficiency of the running air-cooled heat exchanger.
The core 3 includes a liquid side fin 31, the top surface of the liquid side fin 31 is set to be a convex arc surface, the bottom surface of the liquid side fin 31 is set to be a plane, the liquid side fin 31 is provided with a plurality of liquid side fins 31, the plurality of liquid side fins 31 are uniformly distributed between the first chamber 2 and the second chamber 4, the first chamber 2 is provided with an inlet 21, the second chamber 4 is provided with an outlet 41, and liquid flowing in from the inlet 21 flows through the liquid side fin 31 and flows out from the outlet 41.
The liquid flows into the first chamber 2 from the inlet 21, then flows into the liquid-side fins 31, flows into the first chamber 2, and finally flows out from the outlet 41, and the arrow direction in fig. 3 of the specification is the direction in which the liquid flows. The liquid carries out the forced air cooling heat dissipation in the in-process that flows in liquid side fin 31, and the top surface of liquid side fin 31 is established to bellied arcwall face, and the bottom surface of liquid side fin 31 is established to the plane, can form forced convection heat transfer effect, accelerates the heat transfer. As shown in fig. 4 of the specification, the liquid-side fins 31 have a zigzag tube structure, and the liquid-side fins 31 are designed to increase turbulence in the internal flow channels, thereby improving the heat transfer coefficient.
The core 3 further includes: the partition plate 32 and the air side fins 33, the top surface of the air side fins 33 is a convex arc surface, the bottom surface of the air side fins 33 is a plane, the air side fins 33 are arranged between two adjacent liquid side fins 31, and the partition plate 32 is used for separating the air side fins 33 from the liquid side fins 31.
The arrow direction in fig. 5 of the specification is the air flow direction, the top surface of the air side fin 33 is a convex arc surface, and the bottom surface of the air side fin 33 is a plane, so that the heat exchange effect can be improved, and the heat exchange can be accelerated. Wherein the air side fins 33 may be embodied as straight fins, corrugated fins or triangular fins. The partition plate 32 is a partition layer that separates the internal cooling liquid from the external air and is located between the air-side fins 33 and the cooling liquid.
The core 3 further includes: the fin seal 34 and the liquid side seal 35, the fin seal 34 is provided with two ends respectively provided on the liquid side fin 31 and the air side fin 33, and the liquid side seal 35 is provided on the top surface of the liquid side fin 31 and is formed in an arc shape to be bonded to the top surface of the liquid side fin 31.
The fin seal 34 can fix the plurality of liquid side fins 31 and the air side fins 33, and the fin seal 34 is provided with an inlet and an outlet for circulating the liquid in the liquid side fins 31, and the fin seal 34 functions to form the air side fins 33 into separate flow paths to seal the liquid side fins 31. The liquid side seal 35 fixes the liquid side fin 31 in the length direction, and the liquid side seal 35 can be arranged in a manner of butt joint of a curved arc seal and a straight seal, so that the curved shape required by the surface of the heat exchanger can be matched.
The core 3 further comprises sealing plates 36 respectively arranged at two ends of the fin seals 34 and connected with the two fin seals 34, the top surfaces of the sealing plates 36 are provided with protruding arc surfaces, and the bottom surfaces of the sealing plates 36 are provided with planes.
The seal plate 36 may be integrally connected and fixed to the fin seal 34, and is capable of supporting and fixing the liquid-side fins 31 and the air-side fins 33 inside the core 3, and in order to conform to the shape of the heat exchanger, the top surface of the seal plate 36 is a convex arc surface, and the bottom surface of the seal plate 36 is a plane.
The number of air-side fins 33 provided between two adjacent liquid-side fins 31 is plural. The air side fins 33 are optionally disposed between two adjacent liquid side fins 31 in the core 3, the air side fins 33 can improve the heat dissipation effect, and the number and positions of the air side fins 33 can be determined according to the actual heat exchange capability, which is not limited herein.
The embodiment of the application also provides a running air cooling system, which is used for cooling the heating device 6 and comprises a pump 7 and a liquid storage tank 8, and the running air cooling system further comprises the heat exchanger, wherein the heat exchanger, the heating device 6, the pump 7 and the liquid storage tank 8 are connected through pipelines. The running air cooling system forms a running air cooling circulation, and a forced convection heat exchange effect is formed through the heat exchanger so as to accelerate heat exchange.
As shown in the attached figure 8 of the specification, the heat exchanger is arranged on the top surface or the bottom surface of the train, and an included angle is formed between the bottom surface of the heat exchanger and the top surface or the bottom surface of the train. An elevation angle is formed between the heat exchanger and the travelling direction of the train, and the specific angle of the elevation angle is set according to actual conditions. Therefore, a small part of running wind directly passes through the heat exchanger to perform convection heat exchange during running of the train, and the heat exchange efficiency is further improved. When the train is stationary, the heat exchanger radiates heat through natural convection, and the radiating fins are basically consistent with the vertical direction to form natural convection radiation.
It should be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The heat exchanger and the travelling air cooling system provided by the application are described in detail above. Specific examples are set forth herein to illustrate the principles and embodiments of the present application, and the description of the examples above is only intended to assist in understanding the methods of the present application and their core ideas. It should be noted that it would be obvious to those skilled in the art that various improvements and modifications can be made to the present application without departing from the principles of the present application, and such improvements and modifications fall within the scope of the claims of the present application.
Claims (8)
1. A heat exchanger, comprising: wind-guiding body (1), first cavity (2), core (3), second cavity (4) and mounting panel (5), the one end of first cavity (2) with wind-guiding body (1) is connected, the other end of first cavity (2) with core (3) are connected, core (3) are located first cavity (2) with between second cavity (4), mounting panel (5) are located the lateral wall of core (3), wind-guiding body (1) first cavity (2) core (3) with the protruding arcwall face of top surface connection formation of fourth of second cavity (4), wind-guiding body (1) first cavity (2) core (3) with the plane is formed in the bottom surface connection of fourth of second cavity (4).
2. The heat exchanger according to claim 1, wherein the core (3) comprises a liquid side fin (31), a top surface of the liquid side fin (31) is provided with a convex arc surface, a bottom surface of the liquid side fin (31) is provided with a plane, the liquid side fin (31) is provided with a plurality of liquid side fins (31) which are uniformly distributed between the first chamber (2) and the second chamber (4), the first chamber (2) is provided with an inlet (21), the second chamber (4) is provided with an outlet (41), and liquid flowing in from the inlet (21) flows through the liquid side fin (31) and flows out from the outlet (41).
3. The heat exchanger according to claim 2, wherein the core (3) further comprises: the air side fin (33) is characterized by comprising a partition plate (32) and an air side fin (33), wherein the top surface of the air side fin (33) is a convex arc surface, the bottom surface of the air side fin (33) is a plane, the air side fin (33) is arranged between two adjacent liquid side fins (31), and the partition plate (32) is used for separating the air side fin (33) from the liquid side fin (31).
4. A heat exchanger according to claim 3, wherein the core (3) further comprises: the fin seal (34) and the liquid side seal (35), the fin seal (34) is provided with two ends which are respectively arranged on the liquid side fin (31) and the air side fin (33), and the liquid side seal (35) is arranged on the top surface of the liquid side fin (31) and is in an arc shape which is attached to the top surface of the liquid side fin (31).
5. The heat exchanger according to claim 4, wherein the core (3) further comprises sealing plates (36) respectively disposed at two ends of the fin seal (34) and connected to two fin seals (34), a top surface of the sealing plates (36) is a convex arc surface, and a bottom surface of the sealing plates (36) is a plane.
6. A heat exchanger according to claim 3, wherein the number of air side fins (33) provided between two adjacent liquid side fins (31) is plural.
7. A travelling air cooling system for cooling a heating device (6) comprising a pump (7) and a liquid storage tank (8), characterized in that the travelling air cooling system further comprises a heat exchanger according to any one of claims 1-6, wherein the heat exchanger, the heating device (6), the pump (7) and the liquid storage tank (8) are connected by pipelines.
8. The traveling wind cooling system according to claim 7, wherein the heat exchanger is disposed on a top surface or a bottom surface of the train, and an included angle is formed between the bottom surface of the heat exchanger and the top surface or the bottom surface of the train.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320841649.0U CN219284064U (en) | 2023-04-14 | 2023-04-14 | Heat exchanger and travelling air cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320841649.0U CN219284064U (en) | 2023-04-14 | 2023-04-14 | Heat exchanger and travelling air cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219284064U true CN219284064U (en) | 2023-06-30 |
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ID=86918964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320841649.0U Active CN219284064U (en) | 2023-04-14 | 2023-04-14 | Heat exchanger and travelling air cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219284064U (en) |
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2023
- 2023-04-14 CN CN202320841649.0U patent/CN219284064U/en active Active
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