阅读说明：本技术 一种可多级散热式的轨道交通双向变流器用安装柜 (Multistage heat dissipation type installation cabinet for rail transit bidirectional converter ) 是由 俞益 徐金平 杨树松 李�浩 曹明 陈家兴 郑旺 李辉 叶宏 李俊强 王柠 王 于 2019-08-19 设计创作，主要内容包括：本发明公开了一种可多级散热式的轨道交通双向变流器用安装柜,涉及双向变流器散热技术领域。本发明包括柜体,冷却水循环腔一侧壁固定连通有第一中空翅片,冷却水循环腔另一侧壁固定连通有第二中空翅片,水泵进水端通过水管与冷却水储存腔内部相连通,水泵出水端通过水管与冷却水循环腔内部相连通,冷却水循环腔底部通过一回流管与冷却水储存腔内部相连通。本发明通过冷却水循环腔、第一中空翅片、第二中空翅片、水泵、回流管和风机的设计,结合水冷和风冷的方式,对安装柜内部产生的热量进行多级散热,提高了散热效率,避免了现有双向变流器的安装柜内部产生的热量难以排出,影响仪器的使用寿命,甚至直接造成仪器损坏的问题。(The invention discloses a multistage heat dissipation type installation cabinet for a rail transit bidirectional converter, and relates to the technical field of bidirectional converter heat dissipation. The cooling water circulation cabinet comprises a cabinet body, wherein one side wall of a cooling water circulation cavity is fixedly communicated with a first hollow fin, the other side wall of the cooling water circulation cavity is fixedly communicated with a second hollow fin, the water inlet end of a water pump is communicated with the interior of a cooling water storage cavity through a water pipe, the water outlet end of the water pump is communicated with the interior of the cooling water circulation cavity through a water pipe, and the bottom of the cooling water circulation cavity is communicated with the interior of the cooling water storage cavity through a return pipe. According to the invention, through the design of the cooling water circulation cavity, the first hollow fins, the second hollow fins, the water pump, the backflow pipe and the fan, and the combination of water cooling and air cooling modes, the heat generated inside the installation cabinet is subjected to multistage heat dissipation, so that the heat dissipation efficiency is improved, and the problems that the heat generated inside the installation cabinet of the existing bidirectional converter is difficult to discharge, the service life of an instrument is influenced, and even the instrument is directly damaged are solved.)

1. A mounting cabinet for a multistage heat dissipation type rail transit bidirectional converter comprises a cabinet body (1); the method is characterized in that: the cooling water circulation cabinet is characterized in that an inner cavity (101) and a cooling water circulation cavity (102) are sequentially formed in the cabinet body (1) from inside to outside, a side wall of the cooling water circulation cavity (102) is fixedly communicated with a first hollow fin (103), the first hollow fin (103) is positioned in the inner cavity (101), the other side wall of the cooling water circulation cavity (102) is fixedly communicated with a second hollow fin (104), the second hollow fin (104) is positioned outside the cabinet body (1), a water pump placing cavity (105), a cooling water storage cavity (106) and a fan placing cavity (107) are sequentially formed in the lower position of the interior of the cabinet body (1), a water pump (108) is fixedly installed at the bottom of the water pump placing cavity (105), the water inlet end of the water pump (108) is communicated with the interior of the cooling water storage cavity (106) through a water pipe, and the water outlet end of the water pump (108) is communicated with the interior of the cooling, the bottom of the cooling water circulation cavity (102) is communicated with the inside of the cooling water storage cavity (106) through a return pipe (109), and the return pipe (109) is positioned inside the fan placing cavity (107).

2. The mounting cabinet for the rail transit bidirectional converter capable of dissipating heat in multiple stages according to claim 1, wherein a fan (110) is fixedly mounted at the bottom of the fan placement cavity (107), an air inlet pipe (111) is fixedly communicated with an air inlet end of the fan (110), one end of the air inlet pipe (111) extends to the outside of the cabinet body (1), an air outlet pipe (112) is fixedly communicated with an air outlet end of the fan (110), one end of the air outlet pipe (112) penetrates through the top of the fan placement cavity (107) and is fixedly communicated with an air supply cover (113), and the air supply cover (113) is located inside the inner cavity (101).

3. The mounting cabinet for the multistage heat dissipation type track traffic bidirectional converter according to claim 1, wherein a vent hole (114) is formed at the bottom of the inner cavity (101), one end of the vent hole (114) is communicated with the inside of the water pump placing cavity (105), and a heat dissipation hole (115) is formed in one side surface of the water pump placing cavity (105).

4. The mounting cabinet for the multistage heat dissipation type rail transit bidirectional converter as claimed in claim 1, wherein a filter box (116) is fixedly mounted on an outer side wall of the cabinet body (1), a dust filter net is arranged inside the filter box (116), and one end of the air inlet pipe (111) is communicated with the inside of the filter box (116).

5. The mounting cabinet for the multistage heat dissipation type rail transit bidirectional converter as recited in claim 1, wherein a water exchange pipe (117) is fixedly communicated with one side surface of the cooling water storage cavity (106), and a sealing door (118) is rotatably connected with one side surface of the inner cavity (101).

6. The mounting cabinet for the multistage heat dissipation type rail transit bidirectional converter as recited in claim 1, wherein the first hollow fin (103) and the second hollow fin (104) are both arranged obliquely downwards, and the open end of the first hollow fin (103) corresponds to the open end of the second hollow fin (104).

Technical Field

The invention belongs to the technical field of heat dissipation of bidirectional converters, and particularly relates to a multistage heat dissipation type mounting cabinet for a rail transit bidirectional converter.

Background

Compared with other traffic modes, the urban rail transit has the characteristics of safety, comfort, rapidness, large transportation volume, energy conservation, environmental protection and the like. However, with the enlargement of the road network scale and the sharp increase of passenger capacity, the total energy consumption of urban rail transit is also greatly increased, and the serious problem of train braking energy waste is increasingly concerned. In order to solve the problem of absorption and utilization of locomotive brake power, the bidirectional converter becomes a technical development direction due to the fact that the bidirectional converter has rectification and inversion functions.

A large amount of connectors and various electronic components have generally been installed to current bidirectional converter's installation cabinet inside to there is the existence of a large amount of wires, it is very high to lead to the total resistance value in the installation cabinet, consequently directly leads to bidirectional converter in work, can give off a large amount of heats under the electrically conductive condition promptly, make the temperature in the installation cabinet improve suddenly, the heat that produces in the installation cabinet is difficult to discharge, the time has been of a specified duration and will influence the life of instrument, directly cause the damage of instrument even.

Disclosure of Invention

The invention aims to provide a multistage heat dissipation type installation cabinet for a rail transit bidirectional converter, which solves the problems that heat generated in the installation cabinet of the conventional bidirectional converter is difficult to discharge, the service life of an instrument is influenced after long time, and even the instrument is directly damaged by the design of a cooling water circulation cavity, a first hollow fin, a second hollow fin, a water pump, a return pipe and a fan.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a multistage heat dissipation type mounting cabinet for a rail transit bidirectional converter, which comprises a cabinet body; the cabinet body has seted up inner chamber and cooling water circulation chamber from inside to outside in proper order, the fixed intercommunication of a cooling water circulation chamber lateral wall has first cavity fin, first cavity fin is located inside the inner chamber, the fixed intercommunication of another lateral wall in cooling water circulation chamber has second cavity fin, second cavity fin is located external portion of the cabinet, the lower position of internal portion of cabinet has seted up the water pump in proper order and has placed the chamber, the cooling water stores the chamber, the fan places the chamber, the water pump is placed chamber bottom fixed mounting and is had the water pump, the water pump inlet end leads to pipe and is linked together with cooling water storage intracavity portion, the water pump outlet end leads to pipe and is linked together with cooling water circulation intracavity portion, cooling water circulation intracavity portion is linked together through a reflux pipe and cooling water storage intracavity portion, the reflux pipe is located the fan and places intracavity portion.

Further, the bottom of the fan placing cavity is fixedly provided with a fan, an air inlet pipe is fixedly communicated with an air inlet end of the fan, one end of the air inlet pipe extends to the outside of the cabinet body, an air outlet pipe is fixedly communicated with an air outlet end of the fan, one end of the air outlet pipe penetrates through the top of the fan placing cavity and is fixedly communicated with an air supply cover, and the air supply cover is located inside the inner cavity.

Further, the ventilation hole has been seted up to the inner chamber bottom, ventilation hole one end and water pump are placed the intracavity and are linked together, the heat dissipation hole has been seted up to a water pump is placed a chamber side.

Further, the outer side wall of the cabinet body is fixedly provided with a filter box, a dust filter net is arranged inside the filter box, and one end of the air inlet pipe is communicated with the inside of the filter box.

Furthermore, a water changing pipe is fixedly communicated with one side surface of the cooling water storage cavity, and a sealing door is rotatably connected to one side surface of the inner cavity.

Further, the first hollow fin and the second hollow fin are both arranged obliquely downwards, and the opening end of the first hollow fin corresponds to the opening end of the second hollow fin.

The invention has the following beneficial effects: the invention adopts the design of the cooling water circulation cavity, the first hollow fins, the second hollow fins, the water pump, the backflow pipe and the fan, the first hollow fins transmit the heat generated in the inner cavity into the cooling water, the second hollow fins transmit the heat absorbed in the cooling water to the outside air, thereby achieving the purpose of reducing the temperature of the inner cavity of the installation cabinet, the fan sequentially passes through the air inlet pipe, the air outlet pipe and the air supply cover to suck the outside air into the inner cavity, the hot air in the inner cavity sequentially passes through the vent holes to enter the water pump placing cavity, the hot air in the water pump placing cavity is discharged to the outside through the heat dissipation holes, thereby further reducing the temperature in the inner cavity of the installation cabinet, the heat generated in the inner cavity of the installation cabinet is subjected to multi-stage heat dissipation through the combination of the water cooling mode and the air cooling mode, the heat dissipation efficiency is greatly improved, and the problem that the heat generated, the service life of the instrument is influenced after a long time, and even the instrument is directly damaged.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a mounting cabinet for a multistage heat dissipation type rail transit bidirectional converter;

FIG. 2 is a schematic diagram of the right view of FIG. 1;

FIG. 3 is a front view of the structure of FIG. 1;

fig. 4 is a schematic structural view of the interior of the cabinet body;

FIG. 5 is a front view of the structure of FIG. 4;

in the drawings, the components represented by the respective reference numerals are listed below:

1-cabinet body, 101-inner cavity, 102-cooling water circulation cavity, 103-first hollow fin, 104-second hollow fin, 105-water pump placing cavity, 106-cooling water storage cavity, 107-fan placing cavity, 108-water pump, 109-return pipe, 110-fan, 111-air inlet pipe, 112-air outlet pipe, 113-blast hood, 114-vent hole, 115-heat dissipation hole, 116-filter box, 117-water changing pipe, 118-sealing door and 119-control panel.

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.

Referring to fig. 1-5, the present invention is a mounting cabinet for a multistage heat dissipation type bidirectional converter for rail transit, comprising a cabinet body 1; an inner cavity 101 and a cooling water circulation cavity 102 are sequentially formed in the cabinet body 1 from inside to outside, the existing connectors and various electronic components are installed in the inner cavity 101, a first hollow fin 103 is fixedly communicated with one side wall of the cooling water circulation cavity 102, the first hollow fin 103 is positioned in the inner cavity 101, a second hollow fin 104 is fixedly communicated with the other side wall of the cooling water circulation cavity 102, the second hollow fin 104 is positioned outside the cabinet body 1, a water pump placing cavity 105 and a cooling water storage cavity 106 are sequentially formed in the lower position of the inner part of the cabinet body 1, the fan is placed the chamber 107, and cavity 105 bottom fixed mounting is placed to the water pump has water pump 108, and water pump 108 intake end leads to pipe and is linked together with cooling water storage chamber 106 is inside, and water pump 108 goes out the water end and leads to pipe and cooling water circulation chamber 102 is inside to be linked together, and cooling water circulation chamber 102 bottom is stored the chamber 106 with the cooling water through a return pipe 109 and is inside to be linked together, and return pipe 109 is located the fan and places inside the chamber 107.

As shown in fig. 3-5, a blower 110 is fixedly mounted at the bottom of the blower placing cavity 107, an air inlet pipe 111 is fixedly communicated with an air inlet end of the blower 110, one end of the air inlet pipe 111 extends to the outside of the cabinet body 1, an air outlet pipe 112 is fixedly communicated with an air outlet end of the blower 110, one end of the air outlet pipe 112 penetrates through the top of the blower placing cavity 107 and is fixedly communicated with an air supply hood 113, and the air supply hood 113 is located inside the inner cavity 101.

As shown in fig. 4, a vent hole 114 is formed at the bottom of the inner cavity 101, one end of the vent hole 114 is communicated with the inside of the water pump placing cavity 105, and a heat dissipation hole 115 is formed in one side surface of the water pump placing cavity 105.

As shown in fig. 3-4, a filter box 116 is fixedly installed on the outer side wall of the cabinet body 1, a dust filter net is arranged inside the filter box 116, and one end of the air inlet pipe 111 is communicated with the inside of the filter box 116, so that dust in the outside air is prevented from entering the inner cavity 101.

Wherein as shown in fig. 2 and 5, the fixed intercommunication of cooling water storage chamber 106 one side has traded water pipe 117, the cooling water of chamber 106 inside is stored to the convenient cooling water of changing, inner chamber 101 one side rotates and is connected with sealing door 118, the current control panel 119 of cabinet 1 lateral wall fixed mounting, the current PLC controller of control panel 119 internally mounted, control panel 119 pass through the wire respectively with water pump 108, fan 110 electric connection, all power consumptions all are external power source provides.

As shown in fig. 4 to 5, the first hollow fin 103 and the second hollow fin 104 are both disposed obliquely downward, and the open end of the first hollow fin 103 corresponds to the open end of the second hollow fin 104, so as to facilitate heat exchange between the cooling water inside the first hollow fin 103 and the cooling water inside the second hollow fin 104.

The working principle of the embodiment is as follows: when the cooling cabinet is used, the control panel 119 controls the water pump 108 to pump cooling water in the cooling water storage cavity 106 into the cooling water circulation cavity 102, the interiors of the first hollow fin 103 and the second hollow fin 104 are filled with cooling water, the cooling water in the cooling water circulation cavity 102 flows into the cooling water storage cavity 106 through the return pipe 109, the cooling water flows in a circulating mode, the first hollow fin 103 transfers heat generated in the inner cavity 101 into the cooling water, meanwhile, the second hollow fin 104 transfers heat absorbed in the cooling water to outside air, the purpose of reducing the temperature of the inner cavity 101 of the mounting cabinet is achieved, meanwhile, the control panel 119 controls the fan 110 to suck and send outside air into the inner cavity 101 sequentially through the air inlet pipe 111, the air outlet pipe 112 and the air supply hood 113, hot air in the inner cavity 101 enters the water pump placing cavity 105 through the vent hole 114, and hot air in the water pump placing cavity 105 is discharged outside through the heat dissipation hole 115, thereby further reduce the temperature in the installation cabinet inner chamber 101, combine through water cooling and forced air cooling's mode, carry out multistage heat dissipation to the heat that the installation cabinet inner chamber 101 is inside to be produced, improved the radiating efficiency greatly, avoided the inside heat that produces of installation cabinet of current bidirectional converter to be difficult to discharge, the time has been of a specified duration can influence the life of instrument, directly causes the problem that the instrument damaged even.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.