WO2018201740A1

WO2018201740A1 - Device integrating converter cabinet and refrigerant heat dissipation system

Info

Publication number: WO2018201740A1
Application number: PCT/CN2017/118866
Authority: WO
Inventors: 张羽; 王京; 蒋世用
Original assignee: 格力电器（武汉）有限公司; 珠海格力电器股份有限公司
Priority date: 2017-05-05
Filing date: 2017-12-27
Publication date: 2018-11-08
Also published as: CN106949652A

Abstract

A device integrating a converter cabinet and a refrigerant heat dissipation system (10), comprising a converter cabinet (100) and a refrigerant heat dissipation system (200). The refrigerant heat dissipation system (200) comprises a compressor assembly (210), a condensing assembly (220), and an evaporation assembly (230). The compressor assembly (210) is disposed on the converter cabinet (100) and positioned at one side thereof. The condensing assembly (220) and the evaporation assembly (230) are disposed on the converter cabinet (100) and are respectively positioned at two sides of the compressor assembly (210). The condensing assembly (220) comprises a condenser (221) and a first fan (222). The condenser (221) is connected to the compressor assembly (210). The first fan (222) is used to carry away heat released by a refrigerant in the condenser (221). The evaporation assembly (230) comprises an evaporator (231) and a second fan (232). The evaporator (231) is connected to the compressor assembly (210). The second fan (232) is used to blow air to the converter cabinet (100) to perform heat dissipation. Thus, the compressor assembly (210), the condensing assembly (220) and the evaporation assembly (230) are appropriately arranged on the converter cabinet (100) in advance, eliminating the need for professional installation and adjustment. A refrigerant pipeline is disposed in advance, facilitating parameter design of overcooling and overheating of the refrigerant heat dissipation system (200), achieving precise control of cabinet temperature, and improving overall performance.

Description

Converter unit and refrigerant cooling system integrated device

Related application

This application claims the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the disclosure.

Technical field

The present application relates to the technical field of converter cabinets, and in particular to an integrated device for a converter cabinet and a refrigerant heat dissipation system.

Background technique

In the large commercial air-conditioning industry, such as starter cabinets, converter cabinets and inverters used in air-conditioning chillers, when the air-conditioning chiller is in the power generation mode, the refrigeration system of the unit is in a stopped state; and the converter cabinet is used as the power generation. The key components still need to operate normally. At present, the common way to dissipate heat in the converter cabinet is to provide a refrigerant cooling system outside the unit with a corresponding power dissipation level to dissipate heat from the converter cabinet. However, the use of such a refrigerant cooling system external machine has the following disadvantages for the heat dissipation of the converter cabinet: when the external heat exchanger of the refrigerant is used for the heat dissipation of the converter cabinet, the external and internal machines must be connected by the refrigerant pipeline, but in the complex The arrangement of the refrigerant piping in the engineering environment is difficult to design. Once the design is unreasonable, the temperature in the converter cabinet will be too high or too low, and even worse, the hardware will be damaged and the unit will not operate. Therefore, professional technicians are required to perform professional debugging after installation, and the installation process is troublesome.

Summary of the invention

Based on this, it is necessary to provide an integrated device for the converter cabinet and the refrigerant heat dissipation system without debugging and installation.

An integrated device for a converter cabinet and a refrigerant cooling system, comprising:

Converter cabinet; and

a refrigerant heat dissipation system includes a compressor assembly, a condensing assembly, and an evaporation assembly, the compressor assembly is disposed on the converter cabinet and located at one side thereof, and the condensing assembly and the evaporation assembly are disposed on the converter cabinet Located on either side of the compressor assembly; the condensing assembly includes a condenser and a first fan, the condenser being coupled to the compressor assembly, the first fan being used to cool the refrigerant in the condenser The released heat is carried away; the evaporation assembly includes an evaporator and a second fan, the evaporator being coupled to the compressor assembly, the second fan for blowing airflow to the converter cabinet for heat dissipation.

The above-mentioned converter cabinet and refrigerant heat dissipation system integrated device pre-lays the compressor component, the condensing component and the evaporation component of the refrigerant heat dissipation system on the converter cabinet in advance, and does not require a professional to separately install and debug the refrigerant heat dissipation system and the converter cabinet, and is convenient to install. It saves the installation and commissioning costs, avoids the problem that the temperature of the converter pipe is too high or too low due to the change of the length of the refrigerant pipe; and because the refrigerant pipe is preset, it is beneficial to the overcooling and overheating of the refrigerant heat dissipation system. The parameter design enables precise control of the cabinet temperature, which improves the performance of the whole machine and reduces the space.

In one embodiment, the compressor assembly is disposed on a sidewall of the converter cabinet, the condensing assembly is disposed at a top of the converter cabinet, and the evaporation assembly is disposed at a rear of the converter cabinet .

In one of the embodiments, the compressor assembly and the condensing assembly are disposed outside of the converter cabinet, and the evaporation assembly is located inside the converter cabinet.

In one embodiment, the converter cabinet and the refrigerant heat dissipation system integrated device further includes a combined housing, the combined housing is coupled to the converter cabinet, and the combined housing houses the compressor assembly and The condensing assembly.

In one of the embodiments, the combined housing and the converter cabinet cooperate to form a rectangular parallelepiped structure.

In one embodiment, the combination housing includes a compressor housing housing the compressor assembly and a condensing assembly housing housing the condensing assembly.

In one embodiment, the condensing unit housing is provided with an air outlet corresponding to the position of the first fan.

In one of the embodiments, the compressor housing is in communication with the condensing assembly housing for passage of a refrigerant line connecting the compressor assembly and the condensing assembly.

In one of the embodiments, the combination housing further includes a connection housing through which the compressor housing communicates with the condensing assembly housing.

In one of the embodiments, the number of the evaporation components and/or the condensation components is plural.

DRAWINGS

In order to make the content of the present application easier to understand, the present application will be further described in detail below in accordance with the specific embodiments of the present application and the accompanying drawings.

1 is a schematic structural view of an integrated device of a converter cabinet and a refrigerant heat dissipation system according to an embodiment;

2 is a schematic exploded view of the integrated device of the converter cabinet and the refrigerant heat dissipation system shown in FIG. 1;

3 is a schematic view showing another perspective view of the integrated device of the converter cabinet and the refrigerant heat dissipation system shown in FIG. 1;

4 is a transverse cross-sectional view of the integrated device of the converter cabinet and the refrigerant heat dissipation system shown in FIG.

detailed description

In order to facilitate the understanding of the present invention, the present application will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present application are shown in the drawings. However, the application can be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the understanding of the disclosure of the present application will be more thorough.

It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or the element can be present. When an element is considered to be "connected" to another element, it can be directly connected to the other element or.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention applies, unless otherwise defined. The terminology used herein is for the purpose of describing particular embodiments, and is not intended to be limiting. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to FIG. 1 , a converter unit and a refrigerant heat dissipation system integrated device 10 according to an embodiment of the present application includes a converter cabinet 100 and a refrigerant heat dissipation system 200 .

Referring to FIGS. 2 and 3, the refrigerant heat dissipation system 200 includes a compressor assembly 210, a condensing assembly 220, and an evaporation assembly 230. The compressor assembly 210 is disposed on the converter cabinet 100 and is located on one side of the converter cabinet 100. The condensing assembly 220 and the evaporation assembly 230 are disposed on the converter cabinet 100 and are located on opposite sides of the compressor assembly 210, respectively.

With continued reference to FIG. 2, the condensing assembly 220 includes a condenser 221 and a first blower 222 that is coupled to the compressor assembly 210 for carrying away heat released by the refrigerant in the condenser 221.

With continued reference to FIG. 3, the evaporation assembly 230 includes an evaporator 231 and a second fan 232. The evaporator 231 is coupled to the compressor assembly 210 for blowing airflow to the converter cabinet 100 for heat dissipation.

The converter unit and the refrigerant heat dissipation system integrated device 10, the compressor assembly 210, the condensing unit 220 and the evaporation unit 230 of the refrigerant heat dissipation system 200 are pre-arranged on the converter cabinet 100 in advance, and the refrigerant heat dissipation system is not required to be separately installed and debugged by a professional. 200 and the converter cabinet 100 are convenient to install, saving installation and commissioning costs, avoiding the problem that the temperature of the converter tank 100 is too high or too low due to the change of the length of the refrigerant pipeline; and because the refrigerant pipeline is preset, there is The parameter design of the supercooling and overheating of the refrigerant heat dissipation system 200 is facilitated, thereby achieving precise control of the cabinet temperature of the converter cabinet 100, thereby improving the performance of the whole machine and reducing the occupied space.

The working principle of the converter cabinet and the refrigerant heat dissipation system integrated device 10 is as follows: the converter cabinet 100 and the refrigerant heat dissipation system 200 are activated, and the refrigerant enters the compressor assembly 210 to be compressed into a high temperature and high pressure gas, and then enters the condenser 221 to convert from a gaseous state to a liquid state. The heat is released, the first fan 222 takes the heat away; the liquid refrigerant enters the evaporator 231 to be converted into a gaseous state, absorbs the heat to cool the air to obtain cold air, and the second fan 232 blows the exchanged cold air to the converter cabinet 100 to dissipate heat.

The converter cabinet and the refrigerant heat dissipation system integrated device 10 can be used for equipment such as large-scale chillers, centrifuges, and large screw machines.

In one embodiment, the compressor assembly 210 is disposed on a side wall of the converter cabinet 100, the condensing assembly 220 is disposed at a top of the converter cabinet 100, and the evaporation assembly 230 is disposed at a rear surface of the converter cabinet 100. Such a side wall of the converter cabinet 100 opposite to the compressor assembly 210 can be used for engineering wiring installation, etc., and is convenient and quick. The compressor assembly 210 is disposed on the side wall of the converter cabinet 100 to facilitate system personnel to view the parameters and maintenance of the compressor assembly 210. The front side of the converter cabinet 100 is vacated to facilitate the operation of the converter cabinet 100. The condensing assembly 220 is disposed at the top of the converter cabinet 100 to facilitate the removal of heat. Secondly, the evaporation assembly 230 is disposed on the back surface which is generally disposed by other components, and also avoids the problem of affecting the appearance.

Specifically, in this embodiment, the converter cabinet 100 is a photovoltaic converter cabinet. It will be appreciated that compressor assembly 210 includes other components such as a compressor.

Further, the compressor assembly 210 and the condensing unit 220 are disposed outside the converter cabinet 100, and the evaporation assembly 230 is disposed at the back of the converter cabinet 100 and located inside the converter cabinet 100.

Still further, the number of condensing assemblies 220 and/or evaporation assemblies 230 is multiple. A plurality of condensing assemblies 220 and/or evaporation assemblies 230 are distributed along the length of the converter cabinet 100. Specifically in this embodiment, the number of condensing assemblies 220 and/or evaporation assemblies 230 is two. It will be appreciated that the number of condensing assemblies 220 and/or evaporation assemblies 230 can be set as desired.

Further, the condenser 221 is disposed in the circumferential direction of the blades of the first fan 222, thereby reducing the occupied space of the converter cabinet and the refrigerant heat dissipation system integrated device 10. Further, the condenser 221 may be a copper tube fin condenser, an all aluminum microchannel or the like condenser. Further, the first fan 222 is a condensing axial fan.

Further, the second fan 232 is disposed below the evaporator 231. Due to the high density of the cold air, the second fan 232 located below can better blow cold air to the converter cabinet 100 to dissipate heat to the converter cabinet 100.

With continued reference to FIG. 1, in one embodiment, the converter cabinet and refrigerant cooling system integrated device 10 further includes a combined housing 240 coupled to the converter cabinet 100, and the combined housing 240 houses the compressor assembly 210. And a condensing assembly 220.

Further, the combined housing 240 and the converter cabinet 100 cooperate to form a rectangular parallelepiped structure. Thus, the appearance of the converter cabinet and the refrigerant heat dissipation system integrated device 10 is beautiful.

Further, the combined housing 240 includes a compressor housing 241 that houses the compressor assembly 210 and a condensing assembly housing 242 that houses the condensing assembly 220.

Further, the condensing unit housing 242 is provided with an air outlet (not shown) corresponding to the position of the first fan 222.

Further, the compressor housing 241 is in communication with the condensing assembly housing 242 for passage of a refrigerant line connecting the compressor assembly 210 with the condensing assembly 220. Specifically, in the present embodiment, the converter cabinet 100 is in communication with the compressor housing 241 for passage of the refrigerant line connecting the compressor assembly 210 and the evaporation assembly.

Specifically, the combination housing 240 further includes a connection housing 243 that communicates with the condensing unit housing 242 through the connection housing 243.

Referring to FIG. 4, in one embodiment, two converter housing heat sinks 110 are disposed in the converter cabinet 100. The compressor assembly 210 includes a heat sink 211 for dissipating heat from the controller 212 of the compressor assembly 210. The heat sink 211 is disposed within the converter cabinet 100, and the heat sink 211 is disposed adjacent one end of the converter cabinet heat sink 110. The evaporation assembly 230 is located inside the converter cabinet 100 and is disposed at the other end of the converter cabinet heat dissipation plate 110, so that the evaporation assembly 230 blows airflow from the heat dissipation passage formed by the two converter cabinet heat dissipation plates 110 to the radiator 211 for cooling. . It can be understood that in other embodiments, the heat sink 211 can be disposed outside the converter cabinet 100, and the evaporation assembly 230 only cools and cools the converter cabinet heat sink 110.

The energy of the converter cabinet and the refrigerant heat dissipation system integrated device 10 is fully utilized, and the cold air blown by the evaporation assembly 230 can be used not only for heat dissipation and temperature reduction of the converter cabinet 100, but also for the controller 212 of the refrigerant heat dissipation system 200 to dissipate heat. The heat dissipation structure changes the heat dissipation mode of the conventional refrigerant heat dissipation system 200 controller 212, and the temperature of the converter cabinet 100 and the heat sink 211 can be well reduced, and the heat dissipation efficiency is high; and the volume of the heat sink 211 does not need to be changed, and the integration degree is not required. And space utilization is high.

Further, the converter cabinet 100 further includes a mounting plate 120 for mounting the controller 212 of the converter cabinet 100. The mounting plate 120 is disposed at one end of the converter cabinet heat sink 110 near the radiator 211, and the mounting plate 120 and the converter cabinet The heat dissipation plate 110 is vertically or obliquely disposed, and the mounting plate 120 and the converter cabinet heat dissipation plate 110 are spaced apart from each other, and the heat sink 211 is disposed at a position relative to the interval, so that the evaporation assembly 230 can flow the airflow from the two converter cabinet heat dissipation plates 110. The heat dissipation passage formed by the mounting plate 120 is blown toward the heat sink 211 for cooling.

Specifically, in this embodiment, the mounting plate 120 is disposed perpendicular to the converter cabinet heat dissipation plate 110.

Further, the converter cabinet 100 further includes a wind guide baffle 130. The two ends of the air guide baffle 130 are connected to the mounting plate 120 and the converter cabinet heat sink 110 away from the heat sink 211 to separate the heat sink 211 away from the heat sink 211. The interval between the converter cabinet heat sink 110 and the mounting plate 120 is closed.

Further, the converter cabinet 100 is provided with a mounting hole (not shown), and the heat sink 212 extends through the mounting hole into the converter cabinet 100. Specifically, in this embodiment, the converter cabinet 100 is a photovoltaic converter cabinet.

Further, the compressor assembly 210 has a controller 212 disposed outside the converter cabinet 100 and adjacent to the heat sink 211. It will be appreciated that compressor assembly 210 includes other components such as compressor 213.

The technical features of the above-described embodiments may be arbitrarily combined. For the sake of brevity of description, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be considered as the scope of this manual.

The above-mentioned embodiments are merely illustrative of several embodiments of the present application, and the description thereof is more specific and detailed, but is not to be construed as limiting the scope of the claims. It should be noted that a number of variations and modifications may be made by those skilled in the art without departing from the spirit and scope of the present application. Therefore, the scope of the invention should be determined by the appended claims.

Claims

An integrated device for a converter cabinet and a refrigerant cooling system, comprising:

Converter cabinet (100); and

A refrigerant heat dissipation system (200) includes a compressor assembly (210), a condensing assembly (220), and an evaporation assembly (230), the compressor assembly (210) being disposed on the converter cabinet (100) and located at one of Side, the condensing assembly (220) and the evaporation assembly (230) are disposed on the converter cabinet (100) and are respectively located at two sides of the compressor assembly (210); the condensing assembly (220) A condenser (221) and a first fan (222) are connected, the condenser (221) is connected to the compressor assembly (210), and the first fan (222) is used to connect the condenser (221) The heat released by the refrigerant is carried away; the evaporation assembly (230) includes an evaporator (231) and a second fan (232), and the evaporator (231) is coupled to the compressor assembly (210), A second fan (232) is used to blow airflow to the converter cabinet (100) for heat dissipation.
The converter unit and the refrigerant heat dissipation system integrated device according to claim 1, wherein said compressor assembly (210) is disposed at a side wall of said converter cabinet (100), and said condensing unit (220) Located at the top of the converter cabinet (100), the evaporation assembly (230) is disposed on the back of the converter cabinet (100).
The converter unit and the refrigerant heat dissipation system integrated device according to claim 2, wherein the compressor assembly (210) and the condensing unit (220) are disposed outside the converter cabinet (100). The evaporation assembly (230) is located inside the converter cabinet (100).
The converter unit and the refrigerant heat dissipation system integrated device according to claim 1, further comprising a combined housing (240), wherein the combined housing (240) is coupled to the converter cabinet (100), and The combination housing (240) houses the compressor assembly (210) and the condensing assembly (220).
The converter unit and the refrigerant heat dissipation system integrated device according to claim 4, wherein the combination housing (240) and the converter cabinet (100) cooperate to form a rectangular parallelepiped structure.
The converter cabinet and refrigerant heat dissipation system integrated device according to claim 4, wherein said combination housing (240) comprises a compressor housing (241) and a housing chamber for housing said compressor assembly (210) A condensing assembly housing (242) of the condensing assembly (220).
The converter unit and the refrigerant heat dissipation system integrated device according to claim 6, wherein the condensing unit housing (242) is provided with an air outlet corresponding to the position of the first fan (222).
The converter cabinet and refrigerant heat dissipation system integrated device according to claim 6, wherein said compressor housing (241) communicates with said condensing unit housing (242) for connecting said compressor assembly (210) passing through a refrigerant line of the condensing unit (220).
The converter unit and the refrigerant heat dissipation system integrated device according to claim 8, wherein the combination housing further comprises a connection housing (243) through which the compressor housing (241) passes (243) in communication with the condensing assembly housing (242).
The converter unit and the refrigerant heat dissipation system integrated device according to any one of claims 1 to 9, characterized in that the number of the evaporation assembly (230) and/or the condensation assembly (220) is plural.