Cooling system
Technical Field
The utility model relates to a cooling technology field, concretely relates to cooling system.
Background
In the prior art, the cooling of core components such as a traction converter, a transformer, a permanent magnet traction motor, a diesel engine and an air compressor of a conventional vehicle is usually carried out by air cooling, water cooling and oil cooling, and a medium-high speed heavy-duty vehicle has a wide transportation range and is in a severe and variable walking environment, so that the requirement on a cooling system of the traction converter and the transformer is higher, but in the prior art, the cooling system of the traction converter and the transformer of the high-speed heavy-duty vehicle usually adopts a water-cooled and oil-cooled combined cooling tower, and the adoption of the combined cooling tower has the following disadvantages: 1. the volume is large, the consumed power of the auxiliary machine is large, and the noise is large; 2. transportation, installation and maintenance are relatively complicated.
Therefore, a cooling system which is convenient to install and maintain, has low noise and good cooling effect is urgently needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an installation and maintenance are convenient, the noise is low and the cooling system that the cooling effect is good, and concrete technical scheme is as follows:
a cooling system comprising a heat dissipating unit and a cooling assembly; the heat dissipation unit comprises at least one group of heat dissipation components; the heat dissipation assembly comprises a first fin and a first pipeline for cooling a heat source; the first pipeline comprises a communication section and a cooling section which are communicated with each other to form a first loop; the first fins are arranged on the cooling section; the cooling assembly comprises a condenser and a second pipeline used for cooling the first pipeline and/or the heat source; the condenser is communicated with the second pipeline to form a second loop, and the first cooling working medium in the cooling assembly can circulate.
Preferably, the heat dissipation unit includes a first heat dissipation assembly and a second heat dissipation assembly for cooling the heat source.
Preferably, in the above technical scheme, a second cooling working medium is arranged in the first heat dissipation assembly; a third cooling working medium is arranged in the second heat dissipation assembly; the first cooling working medium, the second cooling working medium and the third cooling working medium are one of liquid ammonia, R134a, R22, water and oil.
Preferably, in the above technical solution, the heat dissipation assembly further includes a first cavity a and a first cavity B located in the first loop and communicated with each other through the cooling section; the cooling assembly further comprises a second cavity A and a second cavity B which are positioned in the second loop and communicated through a second pipeline; the second cavity A is in contact with the first cavity A; the second cavity B is in contact with the first cavity B.
Preferably, in the above technical solution, the second pipe is in contact with the cooling section.
Above technical scheme is preferred, radiator unit still includes the working medium storage tank with first pipeline intercommunication.
According to the preferable technical scheme, the heat radiation assembly further comprises a power part connected with the first pipeline, and the circulating circulation of the cooling working medium in the first pipeline can be realized.
Above technical scheme is preferred, be equipped with the second fin in the second pipeline.
The above technical scheme is preferable, and the cooling device further comprises a fan assembly for cooling the cooling section; the fan assembly comprises a fan body and a temperature sensor which are connected with each other; the fan body is arranged corresponding to the cooling section; the temperature sensor is arranged on the first pipeline.
Use the technical scheme of the utility model, following beneficial effect has:
(1) the cooling system of the utility model comprises a heat dissipation unit and a cooling component; the heat dissipation unit comprises at least one group of heat dissipation components; the heat dissipation assembly comprises a first fin and a first pipeline for cooling a heat source; the first pipeline comprises a communication section and a cooling section which are communicated with each other to form a first loop; the first fins are arranged on the cooling section; the cooling assembly comprises a condenser and a second pipeline used for cooling the first pipeline and/or the heat source; the condenser is communicated with the second pipeline to form a second loop, and the first cooling working medium in the cooling assembly can circulate. The utility model absorbs the heat in the cooling section through the first fin, and is matched with the second pipeline (the first cooling working medium is arranged inside) to carry out multiple cooling on the first pipeline (particularly the cooling section of the first pipeline), so that the cooling effect is good; the first cooling working medium absorbs heat to be vaporized and rises to the condenser, and flows back to the second pipeline after being cooled and liquefied by the traveling air, so that the first cooling working medium is prevented from being circulated by mechanical power, the energy is saved, and the noise pollution is reduced.
(2) The heat dissipation unit of the utility model comprises a first heat dissipation component and a second heat dissipation component (the number of the heat dissipation components is selected according to the actual situation, and two groups of heat dissipation components are preferred here), and the cooling of a plurality of heat sources is realized by arranging a plurality of groups of heat dissipation components, so that the practicability is good; and different cooling working mediums are arranged in the first heat dissipation assembly, the second heat dissipation assembly and the cooling assembly, so that a better cooling effect is realized. Preferably, the first cooling working medium, the second cooling working medium and the third cooling working medium are respectively liquid ammonia, water and oil; the composite cooling is carried out through three optimized cooling working media, and the cooling effect is greatly improved.
(3) The heat dissipation assembly of the utility model also comprises a first cavity A and a first cavity B which are positioned in the first loop and are communicated with each other through the cooling section; the cooling assembly further comprises a second cavity A and a second cavity B which are positioned in the second loop and communicated through a second pipeline; the second cavity A is in contact with the first cavity A; the second cavity B is in contact with the first cavity B. The cooling working media at the inlet end and the outlet end of the cooling section are collected through a first cavity A and a first cavity B, and the cooling working media collected in the first cavity A and the first cavity B are effectively cooled by the second cavity A and the second cavity B respectively; and the second pipeline contacts with the cooling section (preferably the second pipeline is laminated on the side wall of the cooling section), and through the cooling of the second cavity A to the first cavity A, the cooling of the second pipeline to the cooling section and the cooling of the second cavity B to the first cavity B, the three-section type cooling is realized, the cooling effect is good, the structure is compact, the limitation of the installation space is avoided, and the installation and the maintenance are convenient.
(4) The heat dissipation assembly of the utility model also comprises a working medium storage tank communicated with the first pipeline; the working medium storage tank can supplement cooling working medium to the first pipeline, and cooling failure caused by reduction of consumption of the cooling working medium is avoided.
(5) The heat dissipation assembly of the utility model also comprises a power part connected with the first pipeline, which can realize the circulation of the cooling working medium in the first pipeline; the cooling effect is enhanced, and the power part can adjust the circulation rate of the cooling working medium according to the actual situation, so that the cooling device is convenient to adapt to different working conditions.
(6) The utility model discloses a be equipped with the second fin in cooling module's the second pipeline, can absorb the heat of first pipeline, the first cooling working medium in the second pipeline of being convenient for absorbs the heat vaporization and rises, flows back to the second pipeline after condenser condensation liquefaction, realizes the no mechanical power circulation of first cooling working medium.
(7) The utility model also comprises a fan component for cooling the cooling section; the fan assembly comprises a fan body and a temperature sensor which are connected with each other; the fan body rotates to form an air channel to take away heat of the first fin, the first pipeline and the second pipeline, the cooling effect is enhanced, the temperature sensor arranged on the first pipeline can measure the temperature of a cooling working medium in the first pipeline, and the power consumption can be reduced and the practicability is good according to the rotating speed of the temperature adjusting fan body.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.
In the drawings:
FIG. 1 is a schematic diagram of a cooling system of the present embodiment; (arrows indicate flow direction of cooling medium)
FIG. 2 is a schematic structural diagram of the first cavity A, the first cavity B, the cooling section, the second pipe and the first fin in FIG. 1;
FIG. 3 is a schematic illustration of the first cooling medium of FIG. 1 in circulation;
wherein, 1, a cooling section; 2. a communicating section; 3. a second conduit; 4. a condenser; 5. a first cavity A; 6. a first cavity B; 7. a second cavity A; 8. a second cavity B; 9. a working medium storage tank; 10. a power member; 11. a fan body; 12. a temperature sensor; 13. a first fin; 14. an inlet; 15. an outlet; 16. a second fin; 17. a condensing loop; 18. a condensation inlet; 19. an evaporation outlet; 20. a pressure regulating valve; 21. walking wind; 22. a rectangular channel; 23. forced air; 24. and a stop valve.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Example (b):
a cooling system comprising a heat dissipating unit and a cooling assembly, as shown in fig. 1-3, is as follows:
the heat dissipation unit comprises at least one group of heat dissipation assemblies for cooling a heat source, preferably comprises two groups of heat dissipation assemblies, namely a first heat dissipation assembly and a second heat dissipation assembly, wherein a second cooling working medium is arranged in the first heat dissipation assembly, a third cooling working medium is arranged in the second heat dissipation assembly, preferably, the second cooling working medium is water, and the third cooling working medium is oil.
The heat dissipation assembly comprises a first fin 13 and a first pipe for cooling a heat source; the first pipeline comprises a communication section 2 and a cooling section 1 which are communicated with each other to form a first loop; the first fins 13 are arranged on the cooling section 1 (preferably, the first fins are vertically arranged on the cooling section, and the number of the first fins is selected according to actual conditions), as shown in fig. 2.
Preferably, the heat dissipation assembly further comprises a first cavity a (labeled as 5) and a first cavity B (labeled as 6) which are located in the first loop and communicated through the cooling section 1, and the communication section 2, the first cavity a (labeled as 5), the cooling section 1 and the first cavity B (labeled as 6) are sequentially communicated to form a closed-cycle first loop; the cooling working medium in the communicating section 2 absorbs the heat of the heat source and then flows into the first cavity A (the reference number is 5), and flows into the first cavity B (the reference number is 6) after being cooled by the cooling section 1.
Preferably, as shown in fig. 1, the heat dissipation assembly further includes a working medium storage tank 9 and a power member 10; the working medium storage tank 9 is communicated with the communicating section 2 and can supplement cooling working medium into the communicating section 2, and the power part 10 (such as a pump) is arranged on the communicating section 2 and can realize the circulating flow of the cooling working medium in the first loop. The communicating section 2 is also provided with a stop valve 24 which can control the circulation of the cooling working medium in the first pipeline.
Preferably, as shown in fig. 2, three sets of cooling sections 1 are arranged in parallel, two ends of each of the three sets of cooling sections are communicated with the communicating section 2 through a first cavity a (5) and a first cavity B (6), and the first fin 13 is arranged between two adjacent sets of cooling sections 1.
Preferably, as shown in fig. 2, the first cavity a of the first heat dissipation assembly and the first cavity a of the second heat dissipation assembly are stacked up and down, the first cavity B of the first heat dissipation assembly and the first cavity B of the second heat dissipation assembly are stacked up and down, the cooling section of the first heat dissipation assembly and the cooling section of the second heat dissipation assembly are stacked up and down, the second cavity a (reference numeral 7) of the cooling assembly is attached to the lower end of the first cavity a of the second heat dissipation assembly, the second cavity B (reference numeral 8) of the cooling assembly is attached to the upper end of the first cavity B of the first heat dissipation assembly, and the second pipeline is attached to the side walls of the cooling section of the first heat dissipation assembly and the cooling section of the second heat dissipation assembly, so that better cooling is facilitated, and the compactness of the structure is ensured.
The working process of the heat dissipation assembly is as follows: as shown in fig. 2, the cooling working medium in the heat dissipation assembly flows to the heat source through the communication section 2, absorbs heat of the heat source to cool the heat source, the cooling working medium absorbing heat flows into the first cavity a through an inlet 14 arranged on the first cavity a (labeled as 5), flows into the first cavity B (labeled as 6) after being cooled by the cooling section, and flows back to the communication section 2 through an outlet 15 on the first cavity B, so that the heat source can be cooled by the circulation flow of the cooling working medium.
As shown in fig. 3, the cooling assembly includes a second pipe 3 (a second fin 16 for absorbing heat is provided in the second pipe 3), a condenser 4, a condensing loop 17, a second cavity a (reference numeral 7) and a second cavity B (reference numeral 8); two ends of the second pipeline are communicated with the condenser through a condensation loop, and two ends of the second pipeline are respectively communicated with the condensation loop through a second cavity A and a second cavity B, so that a closed-cycle second loop can be formed; the second cavity A and the second cavity B are communicated with a condensation loop through a condensation inlet 18 and an evaporation outlet 19 respectively, the condensation inlet 18 is arranged on the side wall of the second cavity A (7), and the evaporation outlet 19 is arranged at the top of the second cavity B (8), so that the first cooling working medium is heated and then becomes gas to rise to the condenser 4.
Preferably, the cooling assembly further comprises a pressure regulating valve 20 communicated with the second pipeline, so as to regulate the pressure in the second pipeline 3 and prevent safety accidents caused by overhigh pressure.
The working flow of the cooling assembly is specifically as follows: as shown in fig. 1-2, the second pipeline 3 is attached to the cooling section 1 of the first pipeline, the first cooling working medium in the second pipeline 3 absorbs heat in the cooling section 1, after being heated and vaporized, the first cooling working medium rises to the condenser 4 through the evaporation outlet 19 and the condensation loop 17, and then flows back to the second pipeline 3 through the condensation inlet 18 on the second cavity a (labeled as 7) after being condensed and liquefied through the traveling wind 21. The condenser structure refers to the existing structure, and the condenser can receive running wind, so that the first cooling working medium is liquefied and cooled conveniently.
Preferably, as shown in fig. 2, the cooling device further includes a rectangular channel 22 formed by four sets of rectangular plates, the first fins 13, the cooling section 1 of the first pipeline and the second pipeline 3 are all arranged in the rectangular channel 22, the first cavity a (labeled 5) and the first cavity B (labeled 6) are arranged on the side wall of the first end of the rectangular channel 22, and the first cavity a (labeled 5) and the first cavity B (labeled 6) are communicated with the cooling section 1 of the first pipeline arranged in the rectangular channel 22 through a first communication port; the second cavity a (reference numeral 7) and the second cavity B (reference numeral 8) are disposed on a side wall of the second end of the rectangular channel 22 (preferably, disposed opposite to the first cavity a and the first cavity B), and the second cavity a and the second cavity B are communicated with the second duct 3 disposed in the rectangular channel 22 through a second communication port.
The fan assembly is used for cooling the cooling section 1 and the first fins 13; the fan assembly comprises a fan body 11 and a temperature sensor 12 which are connected with each other; the fan body (such as a variable frequency fan) is arranged corresponding to the cooling section 1 and the first fins 13; the temperature sensor (refer to the existing structure) is arranged on the communicating section 2, specifically, the fan body 11 is arranged corresponding to the opening end of the rectangular channel 22, the fan body rotates to form an air channel for heat transfer (namely, forced air 23 which can take away heat is formed in the air channel), the temperature sensor 12 is arranged on the communicating section 2, and the rotating speed of the fan body 11 is adjusted according to the temperature of the cooling working medium in the communicating section 2.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.