CN216852851U - Heat radiation structure and automatically controlled cabinet - Google Patents
Heat radiation structure and automatically controlled cabinet Download PDFInfo
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- CN216852851U CN216852851U CN202122677072.8U CN202122677072U CN216852851U CN 216852851 U CN216852851 U CN 216852851U CN 202122677072 U CN202122677072 U CN 202122677072U CN 216852851 U CN216852851 U CN 216852851U
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Abstract
The utility model discloses a heat dissipation structure and an electric control cabinet. The heat dissipation structure comprises a rack, a first heat exchange system and a second heat exchange system; the first heat exchange system comprises a water cooling plate, a water-air heat exchanger and a water pipe assembly penetrating through the middle partition plate, the water cooling plate is arranged in the first cavity and used for mounting power components, the water-air heat exchanger is arranged on the rack, and the water pipe assembly is connected with the water cooling plate and the water-air heat exchanger to form a water circulation loop; the second heat exchange system is arranged on the rack; the second heat exchange system comprises a first circulating air duct and a second circulating air duct which are isolated in a heat exchange mode, the first circulating air duct is communicated with the first cavity, and the second circulating air duct is communicated with the second cavity. The technical scheme of the utility model achieves the purposes of convenient installation and maintenance and compact structure of the heat dissipation structure while realizing high heat dissipation capacity and high protection of the electric control cabinet.
Description
Technical Field
The utility model relates to the technical field of heat dissipation, in particular to a heat dissipation structure and an electric control cabinet.
Background
In the related art, for an outdoor frequency converter cabinet (or energy conversion equipment such as a converter, an inverter, a hybrid power supply and the like), a main power component usually adopts a direct ventilation mode for heat dissipation, and for other circuit components such as a capacitor, a single board, a copper bar and the like in the cabinet, an air-to-air heat exchanger or an air conditioner is generally adopted for heat dissipation. The main power component adopts a direct ventilation mode to dissipate heat, so that the technical problems of low heat dissipation efficiency and poor protection effect exist; and other circuit component devices adopt air-air heat exchanger or air conditioner to dispel the heat, and air-air heat exchanger generally installs on the rack cabinet door, leads to rack cabinet door structure complicacy, and the installation is difficult.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a heat dissipation structure, and aims to achieve the purposes of high heat dissipation capacity and high protection of an outdoor cabinet, convenience in installation and maintenance and compact structure of the heat dissipation structure.
In order to achieve the above object, the present invention provides a heat dissipation structure, including:
the frame is arranged in the second cavity;
the first heat exchange system comprises a water cooling plate, a water-air heat exchanger and a water pipe assembly penetrating through the middle partition plate, the water cooling plate is arranged in the first cavity and used for mounting power components, the water-air heat exchanger is arranged on the rack, and the water pipe assembly is connected with the water cooling plate and the water-air heat exchanger to form a water circulation loop; and
the second heat exchange system is arranged on the rack; the second heat exchange system comprises a first circulation air duct and a second circulation air duct which are isolated in a heat exchange mode, the first circulation air duct is communicated with the first cavity, and the second circulation air duct is communicated with the second cavity.
In an embodiment of the utility model, the first heat exchange system further includes a water tank and a water pump which are arranged in the second cavity, the water tank is connected with the water-air heat exchanger, and the water pump is communicated with the water tank and the water cooling plate through the water pipe assembly;
The water tank is arranged on the second heat exchange system or the rack; the water pump is arranged on the second heat exchange system or the rack.
In an embodiment of the present invention, the rack includes:
the side plates are oppositely arranged, and one side edge of each side plate is abutted against the middle partition plate; the second heat exchange system and the water-air heat exchanger are arranged between the two side vertical plates, and the second heat exchange system is arranged above the water-air heat exchanger at intervals; and
the cross beam is fixedly connected with the two side vertical plates.
In an embodiment of the utility model, the rack further includes a top plate connected to tops of the two side vertical plates, the top plate and the two side vertical plates form an installation cavity, and the second heat exchange system is arranged in the installation cavity and fixedly connected to the two side vertical plates and the top plate;
the position of the top plate corresponding to the second heat exchange system is hollowed out, so that the air inlet of the second circulating air duct is communicated with the second cavity.
In an embodiment of the utility model, the cross beam is positioned on one side of the side vertical plates close to the middle partition plate, and the cross beam, the side edge of the top plate and the side edges of the two side vertical plates enclose to form an installation opening communicated with the installation cavity;
One side of the second heat exchange system is exposed out of the mounting opening, so that the air inlet and the air outlet of the first circulating air duct are communicated with the first cavity through the mounting opening.
In an embodiment of the utility model, the water-air heat exchanger is arranged in the mounting cavity, the top plate is further provided with an air adjusting structure, the air adjusting structure is arranged on one side, away from the middle partition plate, of the second heat exchange system, and the air adjusting structure is provided with a vent hole for communicating the second cavity with the mounting cavity.
In an embodiment of the present invention, the side vertical plates are hollow.
In an embodiment of the utility model, the two side vertical plates are provided with supporting parts, and the two supporting parts extend oppositely; the second heat exchange system is fixedly arranged on the two supporting parts.
In one embodiment of the utility model, the cross beam is positioned on one side of the side vertical plate far away from the middle partition plate and is arranged above the water-wind heat exchanger;
and the cross beam is provided with an air passing hole so as to communicate the second cavity with the water-air heat exchanger.
In order to achieve the purpose, the utility model further provides an electric control cabinet which comprises a cabinet body and the heat dissipation structure, wherein the heat dissipation structure is arranged in the cabinet body. The heat radiation structure includes:
The frame is arranged in the second cavity;
the first heat exchange system comprises a water cooling plate, a water-air heat exchanger and a water pipe assembly penetrating through the middle partition plate, the water cooling plate is arranged in the first cavity and used for mounting power components, the water-air heat exchanger is arranged on the rack, and the water pipe assembly is connected with the water cooling plate and the water-air heat exchanger to form a water circulation loop; and
the second heat exchange system is arranged on the rack; the second heat exchange system comprises a first circulation air duct and a second circulation air duct which are isolated in a heat exchange mode, the first circulation air duct is communicated with the first cavity, and the second circulation air duct is communicated with the second cavity.
In an embodiment of the present invention, a middle partition board is disposed in the cabinet body, the cabinet body is divided into a first cavity and a second cavity by the middle partition board, the middle partition board is provided with an opening, and a first circulation air duct of the second heat exchange system is communicated with the first cavity through the opening.
In an embodiment of the present invention, a guide rail is disposed on a side wall of the cabinet body, and the rack is in sliding fit with the guide rail.
According to the technical scheme, when the heat dissipation structure is installed in an electric control cabinet, the interior of the electric control cabinet is divided into a first cavity and a second cavity by a middle partition plate, a first heat exchange system comprises a water cooling plate arranged in the first cavity, a water-air heat exchanger arranged in the second cavity and a water pipe assembly penetrating through the middle partition plate, and a power component is installed on the water cooling plate, so that the function of dissipating heat of the power component in a water-air cooling mode is realized, and meanwhile, the high protection performance of the first cavity can be guaranteed; the second heat exchange system is arranged on the rack and comprises a circulating air channel communicated with the first cavity and a second circulating air channel communicated with the second cavity, and the first circulating air channel is isolated from the second circulating air channel in a heat exchange manner, so that the high protection performance of the first cavity is guaranteed while the heat of air in the first cavity is dissipated. In this embodiment, through will assembling to the frame to the radiating first heat transfer system of power components and parts and to the radiating second heat transfer system combination of other components and parts, structural configuration is compacter, and the installation is simpler.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an electric control cabinet according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a first heat exchange system in an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a second heat exchange system in the embodiment of the utility model;
FIG. 4 is a schematic structural diagram of a first heat exchange system and a second heat exchange system in an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of an embodiment of a rack in an embodiment of the utility model;
FIG. 6 is a schematic diagram of a first heat exchange system with water cooled plates and a second heat exchange system mounted to a rack according to an embodiment of the present invention;
FIG. 7 is a schematic view of an assembly structure of a first heat exchange system, a second heat exchange system and a rack in an embodiment of the utility model;
FIG. 8 is a schematic view of the mounting structure of the second heat exchange system, the frame and the middle partition plate in the embodiment of the present invention;
FIG. 9 is a schematic view of an assembly of another embodiment of the rack of the present invention with a second heat exchange system;
fig. 10 is a schematic structural diagram of another embodiment of a rack in an embodiment of the present invention.
The reference numbers illustrate:
100-a rack, 110-a side vertical plate, 111-a supporting part, 120-a cross beam, 121-an air passing hole, 130-a top plate, 131-an air adjusting structure, 132-a vent hole, 101-a mounting port, 200-a first heat exchange system, 210-a water cooling plate, 220-a water-air heat exchanger, 230-a water pipe assembly, 240-a water tank, 250-a water pump, 300-a second heat exchange system, 310-a first circulating air duct, 320-a second circulating air duct, 400-an electric control cabinet, 410-a cabinet body, 410A-a first cavity body, 410B-a second cavity body, 420-a middle partition plate, 421-an opening and 500-power components.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a heat dissipation structure, and aims to assemble a water-air cooling heat exchanger and an air-air heat exchanger through a frame to form a modular heat dissipation structure, so that the purposes of convenience in installation and maintenance and compact structure are achieved while high heat dissipation capacity and high protection of an electric control cabinet are ensured. It can be understood that the heat dissipation structure can be applied to any electric control cabinet needing heat dissipation, and the electric control cabinet can be an indoor cabinet or an outdoor cabinet, and is not particularly limited. The following description will be made by taking an outdoor cabinet as an example.
In the embodiment of the present invention, as shown in fig. 1 to 5, the heat dissipation structure is applied to an electric control cabinet 400, a middle partition plate 420 is disposed in the electric control cabinet 400 to divide the electric control cabinet 400 into two independent first cavities 410A and two independent second cavities 410B; the heat dissipation structure includes a frame 100, a first heat exchange system 200, and a second heat exchange system 300.
The frame 100 is disposed in the second cavity 410B;
the first heat exchange system 200 comprises a water cooling plate 210, a water-air heat exchanger 220 and a water pipe assembly 230 penetrating through the middle partition plate 420, wherein the water cooling plate 210 is arranged in the first cavity 410A and used for installing a power component 500, the water-air heat exchanger 220 is arranged on the rack 100, and the water pipe assembly 230 is connected with the water cooling plate 210 and the water-air heat exchanger 220 to form a water circulation loop;
the second heat exchange system 300 is arranged on the rack 100; the second heat exchanging system 300 includes a first circulating air duct 310 and a second circulating air duct 320 which are isolated from each other by heat exchange, the first circulating air duct 310 is communicated with the first cavity 410A, and the second circulating air duct 320 is communicated with the second cavity 410B.
The inside first cavity 410A and the second cavity 410B that separate into each other through median septum 420 that have separated into of automatically controlled cabinet 400, this first cavity 410A is used for placing power components and parts 500 and other circuit component devices such as electric capacity, veneer, copper bar, and so on, based on this, in order to guarantee the working property of each components and parts, first cavity 410A need have the Protection level that is high enough, and optionally, this first cavity 410A's Protection level is not less than IP65(Ingress Protection, the IP level is the Protection level to the electrical equipment shell to the foreign matter invasion). The second cavity 410B is used for installing heat dissipation equipment, and the requirement for protection strength is not as high as that of the first cavity 410A, so in practical application, the protection grade of the second cavity 410B can be set to IP 54. It can be understood that the first cavity 410A and the second cavity 410B with different protection levels are isolated by the middle partition plate 420, and the heat dissipation device in the second cavity 410B is used for dissipating heat of the first cavity 410A, so that normal operation of each component in the first cavity 410A is ensured.
In this embodiment, the heat dissipation structure for dissipating heat from the first cavity 410A includes a first heat exchange system 200 and a second heat exchange system 300, where the first heat exchange system 200 is used for cooling the main power component 500, the second heat exchange system 300 is used for dissipating heat generated by other components except the power component 500, and the two heat exchangers are assembled and combined through the rack 100 disposed in the second cavity 410B.
The first heat exchange system 200 includes a water cooling plate 210 disposed in the first cavity 410A, a water-air heat exchanger 220 disposed on the rack 100, and a water pipe assembly 230 connecting the water cooling plate 210 and the water-air heat exchanger 220, the power device 500 is directly mounted on the water cooling plate 210, heat of the power device 500 is taken away by flow of cooling water inside the water cooling plate 210, high-temperature water flowing out of the water cooling plate 210 flows to the water-air heat exchanger 230 through the water pipe assembly 230, becomes medium-low temperature water after heat exchange and temperature reduction of the water-air heat exchanger 230, and then flows to the water cooling plate 210 through the water pipe assembly 230 to dissipate heat of the power device 500, thereby forming a water circulation loop to ensure high heat dissipation efficiency of the power device 500. It can be understood that the water pipe assembly 230 is arranged through the middle partition plate 420, so that the water cooling plate 210 and the water-air heat exchanger 220 can be smoothly arranged in the first cavity 410A and the second cavity 410B which are isolated from each other respectively, and the high protection performance of the first cavity 410A is ensured.
The second heat exchanging system 300 is disposed on the rack 100, and the whole structure of the second heat exchanging system 300 is located in the second cavity 410B, and does not occupy the space of the first cavity 410A. The second heat exchanging system 300 includes a first circulating air duct 310 and a second circulating air duct 320 which are isolated from each other, the first circulating air duct 310 and the second circulating air duct 320 are inserted into the heat exchanging core, so that heat exchange can occur between the two circulating air ducts, wherein the first circulating air duct 310 is communicated with the first cavity 410A, and the second circulating air duct 320 is communicated with the second cavity 410B, so that the second heat exchanging system 300 can realize heat exchange between cold air in the second cavity 410B and hot air in the first cavity 410A, thereby achieving the purpose of dissipating heat from air in the first cavity 410A, and further ensuring normal operation of other components. It can be understood that the first circulating air duct 310 in the second heat exchanging system 300 is at the protection level of IP65, the second circulating air duct 320 is at the protection level of IP54, and the two circulating air ducts are isolated from each other, so that the protection level in the first cavity 410A is ensured while the heat of the air in the first cavity 410A is dissipated.
Optionally, the water pipe assembly 230 needs to be communicated with the water-air heat exchanger 230 respectively located in the water-cooling plate 210 of the first cavity 410A and the second cavity 410B, and then the water pipe assembly 230 penetrates through the shell of the second heat exchange system 300, so as to ensure high protection and achieve the heat dissipation effect of the power component 500.
It can be understood that the rack 100, the first heat exchange system 200, except the water cooling plate 210, other structures and the second heat exchange system 300 are all located in the second cavity 410B, and the power components 500 of the electric control cabinet 400, the capacitor, the single plate, the copper bar and other circuit forming devices are all located in the first cavity 410A, and the first heat exchange system 200 and the second heat exchange system 300 are arranged on the rack 100 to form a heat dissipation module, so that the whole structure is more compact, and the installation process is more simple and convenient.
Optionally, the first heat exchange system 200 is a water-air cooling heat exchange system, and the second heat exchange system 300 is an air-air heat exchange system.
In the heat dissipation structure of the technical scheme, when the heat dissipation structure is installed in an electric control cabinet 400, the interior of the electric control cabinet 400 is divided into a first cavity 410A and a second cavity 410B by a middle partition plate 420, a first heat exchange system 200 comprises a water cooling plate 210 arranged on the first cavity 410A, a water-air heat exchanger 230 arranged on the second cavity 410B and a water pipe assembly 230 penetrating through the middle partition plate 420, and a power component 500 is installed on the water cooling plate 210, so that the function of dissipating heat of the power component 500 in a water-air cooling mode is realized, and meanwhile, the high protection performance of the first cavity 410A can be ensured; the second heat exchanging system 300 is disposed on the rack 100, and includes a circulating air duct 310 communicated with the first cavity 410A and a second circulating air duct 320 communicated with the second cavity 410B, and the first circulating air duct 310 is isolated from the second circulating air duct 320 by heat exchange, so that heat dissipation of air inside the first cavity 410A is realized, and at the same time, high protection performance of the first cavity 410A is ensured. In this embodiment, the first heat exchange system 200 for dissipating heat of the power component 500 and the second heat exchange system 300 for dissipating heat of other components are assembled on the rack 100, so that the structural layout is more compact, and the installation process is simpler.
In an embodiment of the present invention, referring to fig. 4 to 9, the first heat exchange system 200 further includes a water tank 240 and a water pump 250 which are disposed in the second cavity 410B, the water tank 240 is connected to the water-air heat exchanger 220, and the water pump 250 communicates the water tank 240 and the water-cooling plate 210 through the water pipe assembly 230;
the water tank 240 is arranged in the second heat exchange system 300 or the rack 100; the water pump 250 is disposed in the second heat exchange system 300 or the rack 100.
In this embodiment, after the water-cooling plate 210 absorbs the heat of the power component 500, the high-temperature water coming out of the water-cooling plate 210 flows into the water-air heat exchanger 220 through the water pipe assembly 230 for heat exchange, the cooled medium-low temperature water enters the water tank 240, the water in the water tank 240 is pumped out by the water pump 250 and is conveyed to the water-cooling plate 210, and the power component 500 is cooled again.
The water tank 240 and the water pump 250 are both located in the second cavity 410B, and the water tank 240 and the water pump 250 are disposed on the second heat exchange system 300 or the rack 100, so that the purpose of convenient installation is achieved, and the overall structure layout is more compact.
In an embodiment of the present invention, referring to fig. 5 to 10, the frame 100 includes two oppositely disposed side vertical plates 110 and a cross beam 120; one side of the side vertical plate 110 abuts against the middle partition plate 420; the second heat exchange system 300 and the water-air heat exchanger 220 are both arranged between the two side vertical plates 110, and the second heat exchange system 300 is arranged above the water-air heat exchanger 220 at intervals; the cross beam 120 is fixedly connected to the two side vertical plates 110.
In this embodiment, the frame 100 includes two opposite side vertical plates 110 and a cross beam 120 connecting the two side vertical plates 110, and the cross beam 120 plays a role of reinforcing and fixing the two side vertical plates 110. The cross beam 120 and the two side vertical plates 110 form an "H", "U" or "pi" type bracket structure, which ensures the support reliability of the rack 100.
The second heat exchange system 300 is disposed between the two side vertical plates 110, so that the stability of the installation of the second heat exchange system 300 is ensured, and one side of each side vertical plate 110 is abutted to the middle partition plate 420, so that the first circulation air duct 310 of the second heat exchange system 300 can be communicated with the first cavity 410A through the opening 421 in the middle partition plate 420. The water-air heat exchanger 220 is arranged between the two side vertical plates 110, optionally, the water-air heat exchanger 220 is inserted or screwed between the two side vertical plates 110, the water-air heat exchanger 220 is arranged below the second heat exchange system 300, and the water-air heat exchanger 220 and the second heat exchange system 300 are arranged at intervals, so that smooth air outlet of an air outlet of the second circulating air duct 320 in the second heat exchange system 300 is ensured, and meanwhile, the water-air heat exchanger and the second heat exchange system are arranged in a vertically stacked manner, so that the structural layout is further more compact.
It can be understood that the water-air heat exchanger 220 is arranged at a lower position, so that the water coming out of the water cooling plate 210 can flow into the water-air heat exchanger 220 more smoothly under the action of gravity. Optionally, the water-air heat exchanger 220 is located at the bottom of the two side vertical plates 110.
In an embodiment of the present invention, referring to fig. 5 to 8, the rack 100 further includes a top plate 130 connected to tops of the two side vertical plates 110, the top plate 130 and the two side vertical plates 110 form an installation cavity, and the second heat exchanging system 300 is disposed in the installation cavity and fixedly connected to the two side vertical plates 110 and the top plate 130;
the position of the top plate 130 corresponding to the second heat exchanging system 300 is hollowed out, so that the air inlet of the second circulating air duct 320 is communicated with the second cavity 410A.
In this embodiment, the top plate 130 is connected to the top of the two side vertical plates 110, and the top plate 130 further enhances the structural strength of the rack 100. The top plate 130 and the two side vertical plates 110 form an installation cavity, the second heat exchange system 300 is installed at the installation cavity, and at the moment, the second heat exchange system 300 can be fixedly connected with the two side vertical plates 110 and the top plate 130, and the second heat exchange system 300 is further more reliably installed through three-side fixation. It can be understood that the lower part of the second heat exchange system 300 is in an empty state, and then the second heat exchange system 300 can be in a hoisting state.
In the practical application process, the air inlet of the second circulation air duct 320 of the second heat exchange system 300 is located at the top of the second heat exchange system 300, the air outlet of the second circulation air duct 320 is located at the bottom of the second heat exchange system 300, and the position of the top plate 130 corresponding to the second heat exchange system 300 is hollowed out to avoid blocking the air inlet of the second circulation air duct 320, so as to ensure the air volume entering the second circulation air duct 320.
Further, the cross beam 120 is located on one side of the side vertical plate 110 close to the middle partition plate 420, and the cross beam 120, the side edge of the top plate 130 and the side edges of the two side vertical plates 110 enclose to form an installation opening 101 communicated with the installation cavity;
one side of the second heat exchange system 300 is exposed to the installation opening 101, so that both the air inlet and the air outlet of the first circulation air duct 310 are communicated with the first cavity 410A through the installation opening 101.
In this embodiment, the cross beam 120 is disposed on one side of the side vertical plates 110 close to the middle partition plate 420, at this time, the cross beam 120, the side edges of the two side vertical plates 110, and the side edge of the top plate 130 are connected to form the mounting opening 101, the middle partition plate 420 is provided with an opening 421 corresponding to the mounting opening 101, and one side of the second heat exchange system 300 disposed on the first circulation air duct 310 is disposed at the mounting opening 101, so that the air inlet and the air outlet of the first circulation air duct 310 are communicated with the first cavity 410A, and a heat dissipation effect of air in the first cavity 410A is ensured.
It can be understood that, at this time, the second heat exchange system 300 is fixedly connected to the cross beam 120, the two side vertical plates 110 and the top plate 130, so that four sides are fixed, and the installation reliability of the second heat exchange system 300 is further improved.
Further, the water-air heat exchanger 220 is arranged in the installation cavity, an air adjusting structure 131 is further arranged on the top plate 130, the air adjusting structure 131 is arranged on one side, away from the middle partition plate 420, of the second heat exchange system 300, and the air adjusting structure 131 is provided with a vent hole 132 communicated with the second cavity 410B and the installation cavity.
It can be understood that, the air intake department at the top of second heat exchange system 300 is equipped with the grid, water wind heat exchanger 220 sets up the below at second heat exchange system 300, in order to avoid the whole water wind heat exchanger 220 that flows into of air current, set up on roof 130 and transfer wind structure 131, this transfer wind structure 131 is located second heat exchange system 300 and keeps away from one side of median septum 420, in order to play the certain effect that blocks to the air current, make partly air current can enter into second heat exchange system 300 smoothly, partly air current flows to water wind heat exchanger 220 department downwards, thereby make the heat transfer effect homoenergetic of first heat exchange system 200 and second heat exchange system 300 guarantee. The air adjusting structure 131 is provided with a vent hole 132, and the vent hole 231 communicates with the second cavity 410B and the installation cavity, so that the air current can smoothly flow from the vent hole 132 to the water-air heat exchanger 220.
Alternatively, the wind adjustment structure 131 may adopt a wind inlet grille structure or a mesh structure, which can ventilate and block the wind.
Optionally, the side vertical plate 110 is hollow. At this moment, the frame 100 is a frame structure, and the frame structure is a rectangular structure with six hollow sides, so that the supporting strength is ensured, and the material cost is saved.
In another embodiment of the present invention, referring to fig. 9 and 10, two of the side vertical plates 110 are each provided with a supporting portion 111, and the two supporting portions 111 extend oppositely; the second heat exchanging system 300 is fixedly installed on the two supporting parts 111.
In this embodiment, the two side vertical plates 110 are disposed at the bottom of the second heat exchange system 300, the second heat exchange system 300 is supported by the two supporting portions 111, and the water-air heat exchanger 220 is disposed at the bottom of the two side vertical plates 110, so that the second heat exchange system 300 and the water-air heat exchanger 220 are disposed at intervals, and smoothness of air flow is ensured.
Optionally, the second heat exchange system 300 is screwed with the two support parts 111.
Further, the cross beam 120 is located on one side of the side vertical plate 110 away from the middle partition plate 420 and is arranged above the water-wind heat exchanger 220;
the cross beam 120 is provided with an air passing hole 121 to communicate the second cavity 410B with the water-air heat exchanger 220.
It can be understood that, in this embodiment, the cross beam 120 is located on the side of the second heat exchange system 300 away from the middle partition plate 420, and plays a role in strengthening and fixing the two side vertical plates 110. The cross beam 120 is located above the water-air heat exchanger 220, and in order to ensure that the air flow can smoothly flow from the second cavity 410B to the water-air heat exchanger 220, the cross beam 120 is provided with an air passing hole 121 to ensure the heat exchange effect of the first heat exchange system 200.
Alternatively, the frame 100 in this embodiment is provided in an "H" shaped stool structure.
The utility model further provides an electric control cabinet 400, referring to fig. 1, the electric control cabinet 400 includes a cabinet body 410 and a heat dissipation structure, the specific structure of the heat dissipation structure refers to the above embodiments, and since the electric control cabinet 400 adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here. Wherein, the heat dissipation structure is disposed in the cabinet 410.
In an embodiment, a middle partition plate 420 is disposed in the cabinet 410, the cabinet 410 is divided into a first cavity 410A and a second cavity 410B by the middle partition plate 420, the middle partition plate 420 is provided with an opening 421, and the first circulation air duct 310 of the second heat exchange system 300 is communicated with the first cavity 410A through the opening 421.
In this embodiment, the inside of the electric control cabinet 400 is separated into a first cavity 410A and a second cavity 410B by a middle partition plate 420, the first cavity 410A is used for placing a power component 500 and other circuit components such as a capacitor, a single board, a copper bar, etc., based on this, in order to ensure the working performance of each component, the first cavity 410A needs to have a Protection level that is high enough, and optionally, the Protection level of the first cavity 410A is not lower than IP65(Ingress Protection, IP level is a Protection level for the electrical equipment housing to invade foreign matters). The second cavity 410B is used for installing heat dissipation equipment, and the requirement for protection strength is not as high as that of the first cavity 410A, so in practical application, the protection grade of the second cavity 410B can be set to IP 54. It can be understood that the first cavity 410A and the second cavity 410B with different protection levels are isolated by the middle partition plate 420, and the heat dissipation device in the second cavity 410B is used for dissipating heat of the first cavity 410A, so that normal operation of each component in the first cavity 410A is ensured.
The first heat exchange system 200 comprises a water cooling plate 210 arranged in the first cavity 410A, a water-air heat exchanger 230 arranged in the second cavity 410B and a water pipe assembly 230 penetrating through the middle partition plate 420, and the power component 500 is arranged on the water cooling plate 210, so that the function of radiating the power component 500 in a water-air cooling mode is realized, and meanwhile, the high protection performance of the first cavity 410A can be ensured; the second heat exchanging system 300 is disposed on the rack 100, and includes a circulating air duct 310 communicated with the first cavity 410A and a second circulating air duct 320 communicated with the second cavity 410B, and the first circulating air duct 310 is isolated from the second circulating air duct 320 by heat exchange, so that heat dissipation of air inside the first cavity 410A is realized, and at the same time, high protection performance of the first cavity 410A is ensured. In this embodiment, the first heat exchange system 200 for dissipating heat of the power component 500 and the second heat exchange system 300 for dissipating heat of other components are assembled on the rack 100, so that the structural layout is more compact, and the installation process is simpler.
In one embodiment, the side walls of the cabinet 410 are provided with guide rails (not shown), and the rack 100 is slidably engaged with the guide rails. It can be understood that, in the installation process, the second heat exchange system 300 and the first heat exchange system 200 are assembled on the rack 100, and then slide along the guide rail to the second heat exchange system 300 to stick to the middle partition plate 420, and the first cavity 410A side of the middle partition plate 420 is screwed to fix the second heat exchange system 300, so that the assembly positioning precision is greatly improved, and the problem that the second heat exchange system 300 is difficult to install on the middle partition plate 420 is solved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (12)
1. A heat dissipation structure is characterized by being applied to an electric control cabinet, wherein a middle partition plate is arranged in the electric control cabinet to divide the electric control cabinet into a first cavity and a second cavity which are independent; the heat dissipation structure includes:
the frame is arranged in the second cavity;
the first heat exchange system comprises a water cooling plate, a water-air heat exchanger and a water pipe assembly penetrating through the middle partition plate, the water cooling plate is arranged in the first cavity and used for mounting power components, the water-air heat exchanger is arranged on the rack, and the water pipe assembly is connected with the water cooling plate and the water-air heat exchanger to form a water circulation loop; and
the second heat exchange system is arranged on the rack; the second heat exchange system comprises a first circulation air duct and a second circulation air duct which are isolated in a heat exchange mode, the first circulation air duct is communicated with the first cavity, and the second circulation air duct is communicated with the second cavity.
2. The heat dissipation structure of claim 1, wherein the first heat exchange system further comprises a water tank and a water pump arranged in the second cavity, the water tank is connected with the water-air heat exchanger, and the water pump is communicated with the water tank and the water-cooling plate through the water pipe assembly;
the water tank is arranged on the second heat exchange system or the rack; the water pump is arranged on the second heat exchange system or the rack.
3. The heat dissipation structure of claim 2, wherein the chassis comprises:
the side plates are oppositely arranged, and one side edge of each side plate is abutted against the middle partition plate; the second heat exchange system and the water-air heat exchanger are arranged between the two side vertical plates, and the second heat exchange system is arranged above the water-air heat exchanger at intervals; and
the cross beam is fixedly connected with the two side vertical plates.
4. The heat dissipation structure of claim 3, wherein the rack further comprises a top plate connected to tops of the two side vertical plates, the top plate and the two side vertical plates form an installation cavity, and the second heat exchange system is disposed in the installation cavity and fixedly connected to the two side vertical plates and the top plate;
The position of the top plate corresponding to the second heat exchange system is hollowed out, so that the air inlet of the second circulating air duct is communicated with the second cavity.
5. The heat dissipation structure as claimed in claim 4, wherein the cross beam is located at a side of the side vertical plates close to the middle partition plate, and the cross beam, a side edge of the top plate, and side edges of the two side vertical plates enclose to form an installation opening communicated with the installation cavity;
one side of the second heat exchange system is exposed out of the mounting opening, so that the air inlet and the air outlet of the first circulating air duct are communicated with the first cavity through the mounting opening.
6. The heat dissipation structure of claim 4, wherein the water-air heat exchanger is disposed in the mounting cavity, the top plate is further provided with an air adjusting structure, the air adjusting structure is disposed on a side of the second heat exchange system away from the middle partition plate, and the air adjusting structure is provided with a vent hole communicating the second cavity with the mounting cavity.
7. The heat dissipation structure of any one of claims 4 to 6, wherein the side vertical plates are hollowed out.
8. The heat dissipation structure of claim 3, wherein two of the side vertical plates are provided with a support portion, and the two support portions extend oppositely; the second heat exchange system is fixedly arranged on the two supporting parts.
9. The heat dissipation structure of claim 8, wherein the cross beam is located on one side of the side vertical plate away from the middle partition plate and is arranged above the water-wind heat exchanger;
and the cross beam is provided with an air passing hole so as to communicate the second cavity with the water-air heat exchanger.
10. An electric control cabinet, characterized by comprising a cabinet body and the heat dissipation structure as recited in any one of claims 1 to 9, wherein the heat dissipation structure is arranged in the cabinet body.
11. The electric control cabinet according to claim 10, wherein a middle partition plate is arranged in the cabinet body, the middle partition plate divides the cabinet body into a first cavity and a second cavity, the middle partition plate is provided with an opening, and the first circulation air duct of the second heat exchange system is communicated with the first cavity through the opening.
12. The electric control cabinet according to claim 11, wherein the side wall of the cabinet body is provided with a guide rail, and the rack is in sliding fit with the guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122677072.8U CN216852851U (en) | 2021-11-03 | 2021-11-03 | Heat radiation structure and automatically controlled cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122677072.8U CN216852851U (en) | 2021-11-03 | 2021-11-03 | Heat radiation structure and automatically controlled cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN216852851U true CN216852851U (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122677072.8U Active CN216852851U (en) | 2021-11-03 | 2021-11-03 | Heat radiation structure and automatically controlled cabinet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115052469A (en) * | 2022-08-11 | 2022-09-13 | 江苏晨大电气股份有限公司 | Water cooling system of bidirectional converter cabinet for rail transit |
-
2021
- 2021-11-03 CN CN202122677072.8U patent/CN216852851U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115052469A (en) * | 2022-08-11 | 2022-09-13 | 江苏晨大电气股份有限公司 | Water cooling system of bidirectional converter cabinet for rail transit |
| CN115052469B (en) * | 2022-08-11 | 2022-10-25 | 江苏晨大电气股份有限公司 | Water cooling system of bidirectional converter cabinet for rail transit |
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