Inside cold and hot wind circulating device of switch board
阅读说明:本技术 一种配电柜的内部冷热风循环装置 (Inside cold and hot wind circulating device of switch board ) 是由 张良 于 2019-11-20 设计创作,主要内容包括:本发明公开了涉及配电柜技术领域,具体为一种配电柜的内部冷热风循环装置,包括冷热风循环通道,冷热风循环通道由内箱柜和外箱柜之间的空隙处组成,冷热风循环通道中设置有若干组金属换热板,内箱柜的内部设置有若干组上下排列的放置板,放置板的表面设置有若干组上下连通的散热孔。本发明通过在外箱柜和内箱柜之间设计有冷热风循环通道,冷热风循环通道可将内箱柜、外箱柜和内箱柜之间形成良好的内部冷热风循环散热目的;本发明中在内箱柜内壁中间层设置有冷却水腔,通过风冷和水冷结合散热,整体的散热效率高,且内箱柜中的冷却水腔水电分离,不易出现安全事故,冷却水腔中还可添加冷却机油用于冷却使用。(The invention discloses a power distribution cabinet internal cold and hot air circulating device, which relates to the technical field of power distribution cabinets and particularly relates to a power distribution cabinet internal cold and hot air circulating device. According to the invention, the cold and hot air circulation channel is designed between the outer cabinet and the inner cabinet, and the cold and hot air circulation channel can realize good internal cold and hot air circulation heat dissipation among the inner cabinet, the outer cabinet and the inner cabinet; the cooling water cavity is arranged in the middle layer of the inner wall of the inner box cabinet, the heat is dissipated by combining air cooling and water cooling, the overall heat dissipation efficiency is high, the cooling water cavity in the inner box cabinet is separated from water and electricity, safety accidents are not easy to occur, and cooling machine oil can be added into the cooling water cavity for cooling.)
1. The utility model provides an inside cold and hot wind circulating device of switch board, includes cold and hot air circulation passageway (1), its characterized in that: the cold and hot air circulation channel (1) consists of a gap between an inner cabinet (2) and an outer cabinet (6), a plurality of groups of metal heat exchange plates (4) are arranged in the cold and hot air circulation channel (1), a plurality of groups of placing plates (3) arranged up and down are arranged in the inner cabinet (2), a plurality of groups of heat dissipation holes (5) communicated up and down are arranged on the surface of the placing plates (3), a heat dissipation fan (8) capable of supplying air into the cold and hot air circulation channel (1) is arranged at the lower end of the inner cabinet (2), and a cold air inlet (21) is arranged at the upper end of the inner cabinet (2);
the upper end of the outer cabinet (6) is provided with a cold and hot air inlet and outlet (14) which are communicated with the inside and the outside, an upper baffle (11) which can cool and shield rain is arranged above the cold and hot air inlet and outlet (14), the four corners of one surface of the upper baffle (11) close to the outer cabinet (6) are fixedly welded with pillars (10), and one end of each pillar (10) far away from the upper baffle (11) is fixedly welded on the surface of the outer cabinet (6);
the inside of interior cabinet (2) is provided with cooling water cavity (22) that supplies the cooling, the front surface upper end of interior cabinet (2) is provided with intercommunication cooling water cavity (22) and the outside filler (23) of interior cabinet (2), and threaded seal has sealing plug (9) in filler (23).
2. The internal cold and hot air circulating device of the power distribution cabinet according to claim 1, characterized in that: the metal heat exchange plate (4) is of a rectangular plate-shaped structure, one surface of the metal heat exchange plate (4) far away from the inner cabinet (2) is fixedly welded on the inner wall of the outer cabinet (6), and one surface of the metal heat exchange plate (4) far away from the outer cabinet (6) is fixedly welded on the outer surface of the inner cabinet (2).
3. The internal cold and hot air circulating device of the power distribution cabinet according to claim 2, characterized in that: the surface of the metal heat exchange plate (4) is provided with a plurality of groups of heat exchange holes (24) which penetrate through the surface of the metal heat exchange plate up and down.
4. The internal cold and hot air circulating device of the power distribution cabinet according to claim 1, characterized in that: the heat dissipation fan (8) transmission sleeve is established on motor shaft (16), and motor shaft (16) transmission is connected on motor (15), and motor (15) fixed welding is on backup pad (7), backup pad (7) are the platelike structure of L font and through the below inner wall of including the screw fixation on cabinet (2), the upper end of backup pad (7) is provided with ventilation groove (18) that a plurality of groups run through backup pad (7) both sides face.
5. The internal cold and hot air circulating device of the power distribution cabinet according to claim 1, characterized in that: the bottom of interior cabinet (2) is provided with hot-blast export (17) of the inside of cabinet (2) and cold and hot air circulation passageway (1) in a plurality of groups intercommunication, heat dissipation fan (8) just set up hot-blast export (17).
6. The internal cold and hot air circulating device of the power distribution cabinet according to claim 1, characterized in that: the upper end opening part of cold air inlet (21) is sealed to have cotton pad (19), the outer fringe of cotton pad (19) is fixed on fixed frame (20) of magnetism, the fixed frame of magnetism (20) are rectangle frame structure and adsorb the upper surface of fixing including cabinet (2).
7. The internal cold and hot air circulating device of the power distribution cabinet according to claim 1, characterized in that: the rain collecting groove (12) is formed in the upper surface of the upper baffle (11), the flow discharging surface (13) is formed in the lower surface of the upper baffle (11), and the flow discharging surface (13) is of an inverted V-shaped structure.
8. The internal cold and hot air circulating device of the power distribution cabinet according to claim 7, characterized in that: the length and the width of the upper baffle (11) are respectively greater than those of the outer cabinet (6).
9. The internal cold and hot air circulating device of the power distribution cabinet according to claim 1, characterized in that: the cooling water cavity (22) is arranged in an inner wall middle layer of the inner cabinet (2), the inner cabinet (2) is made of a heat conduction component, and the outer cabinet (6) is made of a heat insulation component.
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to an internal cold and hot air circulating device of a power distribution cabinet.
Background
The power distribution cabinet is a general name of a motor control center and is used in occasions with dispersed loads and less loops; the motor control center is used for the occasions with concentrated loads and more loops, so that the power distribution cabinet still has the following defects in actual use:
1. in the prior art, the overall heat dissipation performance of the power distribution cabinet is poor, and the heat dissipation grooves capable of dissipating heat are usually arranged on one side of the power distribution cabinet directly, but the heat dissipation grooves can only dissipate heat quickly at the heat dissipation grooves, and can not dissipate heat of cold and hot air circulation in the power distribution cabinet, so that the heat dissipation performance is low;
2. in the prior art, the power distribution cabinet often directly dissipates heat through air cooling, the heat dissipation efficiency is low, and the temperature of the air which enters the power distribution cabinet from the outside and is used for dissipating heat is possibly high, so that the heat dissipation effect cannot be achieved.
Therefore, an internal cold and hot air circulating device of a power distribution cabinet is provided to solve the defects.
Disclosure of Invention
The invention aims to provide an internal cold and hot air circulating device of a power distribution cabinet, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an internal cold and hot air circulating device of a power distribution cabinet comprises a cold and hot air circulating channel, wherein the cold and hot air circulating channel is composed of a gap between an inner cabinet and an outer cabinet, a plurality of groups of metal heat exchange plates are arranged in the cold and hot air circulating channel, a plurality of groups of placing plates arranged up and down are arranged in the inner cabinet, a plurality of groups of heat dissipation holes communicated up and down are formed in the surfaces of the placing plates, a heat dissipation fan capable of supplying air into the cold and hot air circulating channel is arranged at the lower end of the inner cabinet, and a cold air inlet is formed in the upper end of the inner cabinet;
the upper end of the outer cabinet is provided with a cold and hot air inlet and outlet which are communicated with the inside and the outside, an upper baffle plate capable of reducing temperature and keeping out rain is arranged above the cold and hot air inlet and outlet, pillars are fixedly welded at four corners of one surface of the upper baffle plate, which is close to the outer cabinet, and one end of each pillar, which is far away from the upper baffle plate, is fixedly welded on the surface of the outer cabinet;
the inside of interior cabinet is provided with the cooling water cavity that supplies the cooling, the front surface upper end of interior cabinet is provided with the filler of intercommunication cooling water cavity and interior box cabinet outside, and threaded seal has the sealing plug in the filler.
Preferably, the metal heat exchange plate is a rectangular plate-shaped structure, one surface of the metal heat exchange plate, far away from the inner cabinet, is fixedly welded on the inner wall of the outer cabinet, and one surface of the metal heat exchange plate, far away from the outer cabinet, is fixedly welded on the outer surface of the inner cabinet.
Preferably, the surface of the metal heat exchange plate is provided with a plurality of groups of heat exchange holes which penetrate through the surface of the metal heat exchange plate from top to bottom.
Preferably, the heat dissipation fan transmission cover is established in the motor shaft, and the motor shaft transmission is connected on the motor, and motor fixed welding is in the backup pad, the backup pad is the platelike structure of L font and through the fix with screw including on the below inner wall of cabinet, the upper end of backup pad is provided with the ventilation groove that a plurality of groups run through backup pad both sides face.
Preferably, the bottom of the inner cabinet is provided with a plurality of groups of hot air outlets which are communicated with the inside of the inner cabinet and the cold and hot air circulation channel, and the heat dissipation fan is arranged right opposite to the hot air outlets.
Preferably, the upper end opening part of cold air inlet has sealed cotton pad, the outer fringe of cotton pad is fixed on the fixed frame of magnetism, the fixed frame of magnetism is the rectangle frame structure and adsorbs the upper surface of fixing including the cabinet.
Preferably, the upper surface of the upper baffle is provided with a rain collecting groove, the lower surface of the upper baffle is provided with a flow discharging surface, and the flow discharging surface is of an inverted V-shaped structure.
Preferably, the length and the width of the upper baffle are respectively greater than those of the outer bin.
Preferably, the cooling water chamber is provided in an inner wall intermediate layer of an inner tank made of a heat conductive member, and the outer tank is made of a heat insulating member.
Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality, and has the following advantages:
1. according to the invention, the cold and hot air circulation channel is designed between the outer cabinet and the inner cabinet, and the cold and hot air circulation channel can realize good internal cold and hot air circulation heat dissipation among the inner cabinet, the outer cabinet and the inner cabinet;
2. the cooling water cavity is arranged in the middle layer of the inner wall of the inner box cabinet, the heat is dissipated by combining air cooling and water cooling, the overall heat dissipation efficiency is high, the cooling water cavity in the inner box cabinet is separated from water and electricity, safety accidents are not easy to occur, and cooling machine oil can be added into the cooling water cavity for cooling;
3. according to the invention, the metal heat exchange plate for accelerating cold and heat exchange is arranged in the cold and hot air circulation channel, so that the heat dissipation efficiency in the cold and hot air circulation channel is higher.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the inlet and outlet structure of hot and cold air according to the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a cross-sectional view taken at A-A of FIG. 3 in accordance with the present invention;
FIG. 5 is a cross-sectional view taken at B-B of FIG. 3 in accordance with the present invention;
FIG. 6 is a cross-sectional view taken at C-C of FIG. 3 in accordance with the present invention;
FIG. 7 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 8 is an enlarged view of the structure at B in FIG. 2 according to the present invention.
In the figure: the cold and hot air circulation channel comprises a cold and hot
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 to 8, the present invention provides a technical solution: the utility model provides an inside cold and hot wind circulating device of switch board, including cold and hot
The length and the width of the
the four corners of one side of the
a
be provided with a plurality of groups metal
The surface of the metal
a plurality of groups of vertically arranged placing
the bottom of the
be provided with
Wherein, the
The working principle is as follows: the cold and hot
2 inner wall intermediate levels of interior cabinet are provided with
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.