Heat dissipation system of integrated electrical cabinet

Abstract

The utility model discloses a heat radiation system of an integrated electrical cabinet. The heat radiation system comprises an electrical cabinet main body and a heat radiation fan. The internal space of the electrical cabinet body is divided into a front space and a back space. The front space comprises a first power module, a second power module and a first capacitor. The back space comprises a first reactor and a second reactor; the electrical cabinet body is provided with a first air inlet and a second air inlet, the back position of the electrical cabinet body in the back space is provided with an air outlet, the cooling fan is arranged at the air outlet, and the first air inlet is arranged at the position of the front face of the electrical cabinet body in the front space. The first air inlet, the first power module, the second power module, the first capacitor and the air outlet form a first heat dissipation air duct; according to the system, devices in the power cabinet, the grid-connected cabinet and the control cabinet are reasonably integrated in one cabinet body, the layout is more compact, the total size of the cabinet is effectively reduced, and airflow is effectively utilized in a series-parallel connection combined air duct mode to meet the heat dissipation requirement.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation, in particular to a heat dissipation system of an integrated electrical cabinet. Background Art

[0002] The layout of the existing high-power converter is that the power cabinet, grid cabinet, and control cabinet are designed separately. This design method will make the entire cabinet longer and occupy a large installation space. The above cabinets are designed separately. Because the cabinets are longer, each cabinet power module, reactor, and distribution device need to be equipped with a separate fan for heat dissipation. Therefore, the heat dissipation fans used are numerous and scattered, which is not only costly but also not conducive to the maintenance of the fans.

[0003] There is an urgent need for a cooling system for an integrated electrical cabinet that can reasonably integrate the components in the power cabinet, grid-connected cabinet and control cabinet into one cabinet, making the layout more compact and effectively reducing the total volume of the cabinet. The airflow is effectively utilized by adopting a combination of series and parallel air ducts to meet the heat dissipation requirements, and the installation and maintenance of the fan are more convenient. Utility Model Content

[0004] The technical problem to be solved by the utility model is to propose a heat dissipation system for an integrated electrical cabinet. The heat dissipation system of the integrated electrical cabinet reasonably integrates the power cabinet, the grid cabinet and the components in the control cabinet into one cabinet, and the layout is more compact, which effectively reduces the total volume of the cabinet. By adopting a combination of series and parallel air ducts, the airflow is effectively utilized to meet the heat dissipation requirements, and the installation and maintenance of the fan are more convenient.

[0005] In order to solve the above technical problems, the utility model provides a heat dissipation system for an integrated electrical cabinet, comprising an electrical cabinet body and a heat dissipation fan;

[0006] The internal space of the electrical cabinet body is divided into a front space and a back space. The front space includes a first power module, a second power module and a first capacitor; the back space includes a first reactor, a second reactor and a switch device.

[0007] The electrical cabinet body is provided with a first air inlet and a second air inlet, the electrical cabinet body in the back space is provided with an air outlet, the heat dissipation fan is provided at the air outlet, the first air inlet is provided at the front of the electrical cabinet body in the front space, the first air inlet, the first power module, the second power module, the first capacitor and the air outlet form a first heat dissipation duct; the second air inlet is provided at the lower part of the electrical cabinet body in the back space, the second air inlet, the first reactor, the second reactor, the switch device and the air outlet form a second heat dissipation duct;

[0008] The first capacitor is arranged between the first power module and the second power module, and the heat dissipation fan is arranged at the back of the electrical cabinet body in the back space and has a height equivalent to that of the first capacitor;

[0009] The first reactor is arranged above the back space, and the second reactor is arranged below the back space;

[0010] The switch device is arranged at the upper part and the middle part of the back space, and is also arranged at the upper part and the lower part of the air inlet of the heat dissipation fan.

[0011] Preferably, the first air inlet is divided into three air inlet parts, and the three air inlet parts correspond to the air inlet areas of the first power module, the second power module and the first capacitor respectively.

[0012] Preferably, a baffle is provided at the air outlet position of the first module of the first heat dissipation air duct for directing part of the outlet air into the first reactor and then into the heat dissipation fan.

[0013] Preferably, the second air inlet is arranged directly below the second reactor.

[0014] Preferably, a frame is provided around the second reactor, the second air inlet is in contact with the frame, and an air inlet area of ​​the second air inlet is not larger than an area of ​​the frame.

[0015] Preferably, the back space also includes a second capacitor and an auxiliary source transformer, and the auxiliary source transformer is arranged at the lower part of the first reactor and at the same time below the air inlet of the cooling fan; there are two second air inlets, namely: a second reactor air inlet arranged below the second reactor, and a second capacitor air inlet arranged below the second capacitor.

[0016] Preferably, the front space and the back space of the electrical cabinet body are separated by a partition, and the partition is provided with a circular hole for allowing the airflow entering the first module to short-circuit directly into the back space.

[0017] After adopting the above system, the heat dissipation system of the integrated electrical cabinet includes an electrical cabinet body and a heat dissipation fan; the internal space of the electrical cabinet body is divided into two parts, the front space and the back space, the front space includes a first power module, a second power module and a first capacitor; the back space includes a first reactor, a second reactor and a switching device; the electrical cabinet body is provided with a first air inlet and a second air inlet, and an air outlet is provided at the back of the electrical cabinet body in the back space, and the heat dissipation fan is arranged at the air outlet, the first air inlet is arranged at the front position of the electrical cabinet body in the front space, and the first air inlet, the first power module, the second power module, the first capacitor and the air outlet form a first heat dissipation duct; the second air inlet is arranged at the lower position of the electrical cabinet body in the back space, and the second air inlet, the first reactor, the second reactor The first capacitor is arranged between the first power module and the second power module, and the heat dissipation fan is arranged at the back of the electrical cabinet body in the back space, and is at a height equivalent to that of the first capacitor; the first reactor is arranged above the back space, and the second reactor is arranged below the back space; the switch device is arranged at the upper and middle parts of the back space, and is also arranged above and below the air inlet of the heat dissipation fan; the heat dissipation system of the integrated electrical cabinet reasonably integrates the components in the power cabinet, the grid cabinet and the control cabinet into one cabinet, with a more compact layout, which effectively reduces the total volume of the cabinet, and effectively utilizes the airflow by adopting the air duct form combined with series and parallel to meet the heat dissipation requirements, and the installation and maintenance of the fan are more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a front view of an integrated electrical cabinet cooling system of the utility model Figure 1 ;

[0019] Figure 2 This is a left view of an integrated electrical cabinet heat dissipation system of the utility model;

[0020] Figure 3 This is a right view of an integrated electrical cabinet cooling system of the utility model Figure 1 ;

[0021] Figure 4 This is a right view of an integrated electrical cabinet cooling system of the utility model Figure 2 ;

[0022] Figure 5 This is a front view of an integrated electrical cabinet cooling system of the utility model Figure 2 .

[0023] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application clearer and more understandable, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0025] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "front", "back", "left", "right", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0026] Embodiment 1

[0027] See also Figure 1 , Figure 1 This is a front view of an integrated electrical cabinet cooling system of the utility model Figure 1 ;

[0028] This embodiment discloses a heat dissipation system for an integrated electrical cabinet, including an electrical cabinet body 1 and a heat dissipation fan 5;

[0029] The internal space of the electrical cabinet body 1 is divided into a front space 101 and a back space 102. The front space 101 includes a first power module 21, a second power module 22 and a first capacitor 31; the back space 102 includes a first reactor 41, a second reactor 42 and switch devices 71, 72;

[0030] The electrical cabinet body 1 is provided with a first air inlet 11 and a second air inlet 12, an air outlet 14 is provided at the back of the electrical cabinet body in the back space 102, a heat dissipation fan 5 is provided at the air outlet 14, the first air inlet 11 is provided at the front of the electrical cabinet body in the front space 101, the first air inlet 11, the first power module 21, the second power module 22, the first capacitor 31 and the air outlet 14 form a first heat dissipation air duct; the second air inlet 12 is provided at the lower position of the electrical cabinet body 1 in the back space 102, the second air inlet 12, the first reactor 41, the second reactor 42, the switch devices 71, 72 and the air outlet 14 form a second heat dissipation air duct;

[0031] The first capacitor 31 is disposed between the first power module 21 and the second power module 22 , and the heat dissipation fan 5 is disposed at the back of the electrical cabinet body 1 in the back space 102 , and is at a height equivalent to that of the first capacitor 31 ;

[0032] The first reactor 41 is disposed above the back space 102, and the second reactor 42 is disposed below the back space;

[0033] The switch devices 71 and 72 are arranged at the upper part and the middle part of the back space 102 , and are also arranged at the upper part and the lower part of the air inlet of the heat dissipation fan 5 .

[0034] Embodiment 2

[0035] This embodiment is based on the first embodiment. In this embodiment,

[0036] The first air inlet 11 is divided into three air inlet parts, and the three air inlet parts correspond to the air inlet areas of the first power module 21, the second power module and the first capacitor respectively.

[0037] A baffle 6 is provided at the air outlet position of the first power module 21 of the first heat dissipation air duct for guiding part of the outlet air into the first reactor 41 and then into the heat dissipation fan 5 .

[0038] Embodiment 3

[0039] This embodiment is based on the first embodiment. In this embodiment,

[0040] The second air inlet 12 is disposed directly below the second reactor 42 . A frame is disposed around the second reactor 42 . The second air inlet 12 fits the frame and the air inlet area of ​​the second air inlet 12 is not larger than the frame area.

[0041] Embodiment 4

[0042] This embodiment is based on the first embodiment. In this embodiment,

[0043] The back space 102 also includes a second capacitor 32 and an auxiliary source transformer 8. The auxiliary source transformer 8 is arranged at the lower part of the first inductor 41 and is also arranged below the air inlet of the cooling fan. There are two second air inlets 12, namely: a second inductor air inlet 121 arranged below the second inductor 42, and a second capacitor air inlet 122 arranged below the second capacitor 32.

[0044] The front space and the back space of the electrical cabinet body 1 are separated by a partition plate, and a through hole 15 is provided on the partition plate for allowing the airflow entering the first module to directly short-circuit and enter the back space.

[0045] The cooling system of the integrated electrical cabinet integrates the power cabinet, grid cabinet and components in the control cabinet in a reasonable manner, making the layout more compact and effectively reducing the total volume of the cabinet. The airflow is effectively utilized by adopting a combination of series and parallel air ducts to meet the cooling requirements, and the installation and maintenance of the fan is more convenient.

[0046] The preferred embodiments of the present application are described above with reference to the accompanying drawings, but the scope of the present application is not limited thereby. Any modification, equivalent substitution and improvement made by a person skilled in the art without departing from the scope and essence of the present application shall be within the scope of the present application.

Claims

1. A heat dissipation system for an integrated electrical cabinet, characterized in that: Including electrical cabinet body and cooling fan; The internal space of the electrical cabinet body is divided into a front space and a back space. The front space includes a first power module, a second power module and a first capacitor; the back space includes a first reactor, a second reactor and a switch device. The electrical cabinet body is provided with a first air inlet and a second air inlet, the electrical cabinet body in the back space is provided with an air outlet, the heat dissipation fan is provided at the air outlet, the first air inlet is provided at the front of the electrical cabinet body in the front space, the first air inlet, the first power module, the second power module, the first capacitor and the air outlet form a first heat dissipation duct; the second air inlet is provided at the lower part of the electrical cabinet body in the back space, the second air inlet, the first reactor, the second reactor, the switch device and the air outlet form a second heat dissipation duct; The first capacitor is arranged between the first power module and the second power module, and the heat dissipation fan is arranged at the back of the electrical cabinet body in the back space and has a height equivalent to that of the first capacitor; The first reactor is arranged above the back space, and the second reactor is arranged below the back space; The switch device is arranged at the upper part and the middle part of the back space, and is also arranged at the upper part and the lower part of the air inlet of the heat dissipation fan.

2. The heat dissipation system of the integrated electrical cabinet according to claim 1, characterized in that: The first air inlet is divided into three air inlet parts, and the three air inlet parts correspond to the air inlet areas of the first power module, the second power module and the first capacitor respectively.

3. The heat dissipation system of the integrated electrical cabinet according to claim 1, characterized in that: A baffle is provided at the air outlet position of the first module of the first heat dissipation air duct for guiding part of the outlet air into the first reactor and then into the heat dissipation fan.

4. The heat dissipation system of the integrated electrical cabinet according to claim 1, characterized in that: The second air inlet is arranged directly below the second reactor.

5. The heat dissipation system of the integrated electrical cabinet according to claim 4, characterized in that: A frame is arranged around the second reactor, the second air inlet is in contact with the frame, and an air inlet area of ​​the second air inlet is not larger than an area of ​​the frame.

6. The heat dissipation system of the integrated electrical cabinet according to claim 1, characterized in that: The back space also includes a second capacitor and an auxiliary source transformer. The auxiliary source transformer is arranged at the bottom of the first reactor and at the same time below the air inlet of the cooling fan. There are two second air inlets, namely: a second reactor air inlet arranged below the second reactor and a second capacitor air inlet arranged below the second capacitor.

7. The heat dissipation system of the integrated electrical cabinet according to claim 1, characterized in that: The front space and the back space of the electrical cabinet body are separated by a partition, and a through hole is provided on the partition for allowing the airflow entering the first module to directly short-circuit and enter the back space.

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