CN213636816U

CN213636816U - Switch cabinet

Info

Publication number: CN213636816U
Application number: CN202022175924.9U
Authority: CN
Inventors: 陈正茂; 赵成雷; 张传荣
Original assignee: Guangdong Qiujing Electrical
Current assignee: Guangdong Qiujing Electrical
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-07-06
Anticipated expiration: 2030-09-28

Abstract

The utility model provides a switch cabinet, which comprises a cabinet body, a cabinet door, an electric element group, a dehumidifying device and a heat radiating device, wherein the dehumidifying device comprises an air pump, a first gas conveying pipe, a gas drying component and a second gas conveying pipe, the air pump is connected with the inner wall of the cabinet body, one end of the first gas conveying pipe is connected with the air pump, the other end of the first gas conveying pipe is connected with the gas drying component, one end of the second gas conveying pipe is connected with the gas drying component, and the other end of the second gas conveying pipe extends into the cabinet body; the heat dissipation device comprises a heat dissipation plate, a heat dissipation assembly and a connecting assembly, wherein the heat dissipation assembly is arranged on one side of the heat dissipation plate, the connecting assembly is arranged on the periphery of the heat dissipation plate, and the heat dissipation assembly faces the direction away from the electric element group. The switch cabinet has excellent dehumidification and heat dissipation performance and higher safety performance.

Description

Switch cabinet

Technical Field

The utility model relates to an electrical equipment preparation field particularly, relates to a cubical switchboard.

Background

The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. Such as meters, automatic controls, magnetic switches of motors, various alternating current contactors, and the like, some of which are also provided with high-voltage chambers and low-voltage chamber switch cabinets, and high-voltage buses, such as power plants, and some of which are also provided with low-frequency load shedding for keeping main equipment. The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of an electric power system. The components in the switch cabinet mainly comprise a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like. The classification methods of the switch cabinets are various, for example, the switch cabinets can be divided into movable switch cabinets and fixed switch cabinets by the installation mode of the circuit breaker; or according to different cabinet body structures, the cabinet body can be divided into an open type switch cabinet, a metal closed switch cabinet and a metal closed armored switch cabinet; the high-voltage switch cabinet, the medium-voltage switch cabinet, the low-voltage switch cabinet and the like can be divided according to different voltage grades. The switch cabinet is mainly suitable for various occasions such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light textile industry, factories and mining enterprises, residential districts, high-rise buildings and the like. Although also having set up dry dehumidification's device to the cubical switchboard among the prior art, general energy consumption is great, and the effect of dehumidification is not obvious, leads to the inside electrical components of cubical switchboard to receive the erosion easily, also can reduce the life of cubical switchboard.

In summary, the above problems still remain to be solved in the field of the preparation of switch cabinets.

SUMMERY OF THE UTILITY MODEL

Based on this, when solving cubical switchboard among the prior art and using under relatively poor environment, humidity in its cabinet is great, has increased the probability that receives the environmental corrosion of cubical switchboard to reduce its life. Although also having set up dry dehumidification's device to the cubical switchboard among the prior art, general energy consumption is great, and the effect of dehumidification is not obvious, leads to the inside electrical components of cubical switchboard to receive the problem of erosion easily, the utility model provides a cubical switchboard, its concrete technical scheme is as follows:

a switch cabinet comprises a cabinet body and a cabinet door hinged with the cabinet body, and further comprises an electric element group, a dehumidifying device and a heat radiating device which are arranged inside the cabinet body, wherein the dehumidifying device comprises an air suction pump, a first gas conveying pipe, a gas drying component and a second gas conveying pipe, the air suction pump is connected with the inner wall of the cabinet body, one end of the first gas conveying pipe is connected with the air suction pump, the other end of the first gas conveying pipe is connected with the gas drying component, one end of the second gas conveying pipe is connected with the gas drying component, and the other end of the second gas conveying pipe extends into the cabinet body; the heat dissipation device comprises a heat dissipation plate, a heat dissipation assembly and a connecting assembly, wherein the heat dissipation assembly is arranged on one side of the heat dissipation plate, the connecting assembly is arranged on the periphery of the heat dissipation plate, and the heat dissipation assembly faces the direction away from the electric element group.

Furthermore, the electrical element group comprises a first electrical element group and a second electrical element group, and the first electrical element group is arranged at the upper part in the cabinet body and is connected with the inner wall of the cabinet body; the second electric element group is arranged at the middle lower part of the cabinet body and is connected with the inner wall of the cabinet body.

Further, the second gas delivery pipe is arranged between the first electrical element group and the second electrical element group.

Further, a first valve is arranged on the first gas delivery pipe.

Further, a second valve is arranged on the second gas conveying pipe.

Further, the gas drying component comprises a shell, a dry filler and a gas permeable membrane, the shell forms a closed inner cavity, the gas permeable membrane divides the inner cavity into a gas drying area and a gas buffer area, and the dry filler is arranged in the drying area.

Further, the first gas delivery pipe is connected with the gas cache region; the second gas delivery pipe is connected with the gas drying area.

Further, the heat dissipation assembly is a plurality of heat dissipation columns.

Further, the connecting assembly comprises a first connecting port and a first connecting bump, and the height of the connecting bump is higher than that of the heat dissipation column.

Further, the bottom of the cabinet body is further provided with a second connector and a second connecting lug, the second connector is connected with the first connecting lug in a one-to-one correspondence manner, and the second connecting lug is connected with the first connecting lug in a one-to-one correspondence manner.

According to the technical scheme, the switch cabinet is internally provided with the dehumidifying device, so that the air in the cabinet body can be effectively dehumidified, the air circulation of the dehumidifying device is reasonable, the moisture in the cabinet body can be reduced on the premise of not applying the work of the switch cabinet, and the service life of the switch cabinet and the service life of an electric element group can be prolonged; in addition, the bottom of the switch cabinet is provided with the heat dissipation device, the heat dissipation device is connected in a clamping mode and is convenient to install and replace, and the heat dissipation device improves the heat dissipation effect, reduces the temperature in the switch cabinet and improves the use safety of the switch cabinet by arranging a plurality of heat dissipation columns.

Drawings

The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.

Fig. 1 is a schematic structural diagram of a switch cabinet according to an embodiment of the present invention;

fig. 2 is a schematic view of a gas drying assembly of a switchgear cabinet according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a heat dissipation device of a switch cabinet according to an embodiment of the present invention;

fig. 4 is an illustration of an inner wall of a bottom of a cabinet body of a switch cabinet according to an embodiment of the present invention.

Description of reference numerals:

10-cabinet door; 11-connecting piece; 12-a connection hole; 20-a cabinet body; 21-a gasket; 22-a connecting element; 23-a second connection port; 24-a second connection bump; 30-a suction pump; 31-fixing block; 32-a gas drying assembly; 320-a housing; 321-gas buffer zone; 322-a gas drying zone; 323-breathable film; 33-a first gas delivery tube; 34-a first valve; 35-a second valve; 36-a second gas delivery pipe; 37-a first air inlet; 38-a second air inlet; 40-a first group of electrical elements; 41-a second group of electrical elements; 50-a heat sink; 51-a heat sink; 52-first connection port; 53-heat dissipation columns; 54-first connection bumps.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the following embodiments. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

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

In the present invention, the terms "first" and "second" do not denote any particular quantity or order, but are merely used to distinguish names.

As shown in fig. 1-4, an embodiment of the present invention provides a switch cabinet, which includes a cabinet body 20 and a cabinet door 10 hinged to the cabinet body 20, the switch cabinet further includes an electrical component set, a dehumidifying device and a heat dissipating device 50 disposed inside the cabinet body 20, the dehumidifying device includes a suction pump 30, a first gas delivery pipe 33, a gas drying component 32 and a second gas delivery pipe 36, the suction pump 30 is connected to an inner wall of the cabinet body 20, one end of the first gas delivery pipe 33 is connected to the suction pump 30, the other end of the first gas delivery pipe 33 is connected to the gas drying component 32, one end of the second gas delivery pipe 36 is connected to the gas drying component 32, and the other end of the second gas delivery pipe 36 extends into the cabinet body 20; heat abstractor 50 includes heating panel 51, radiator unit and coupling assembling, radiator unit sets up one side of heating panel 51, coupling assembling sets up around heating panel 51, just radiator unit sets up towards the direction of keeping away from electric component group.

The switch cabinet is provided with the dehumidifying device in the cabinet body 20, so that the air in the cabinet body 20 can be effectively dehumidified, the air circulation of the dehumidifying device is reasonably arranged, the moisture in the cabinet body 20 can be reduced on the premise of not applying the work of the switch cabinet, and the service life of the switch cabinet and the service life of the electric element group are prolonged; in addition, the heat dissipation device 50 is arranged at the bottom of the switch cabinet, the heat dissipation device 50 is connected in a clamping mode, installation and replacement are convenient, the heat dissipation effect is improved by the heat dissipation device 50 through the plurality of heat dissipation columns 53, the temperature in the switch cabinet is reduced, and the use safety of the switch cabinet is improved.

In one embodiment, the air pump 30 and the air drying assembly 32 are connected by a mounting block 31. Through the connection of fixed block 31, can improve in the cabinet body 20 the stability of aspiration pump 30 with the installation of gas drying component 32, and then improve its security of using.

In one embodiment, the air pump 30 is provided with an air outlet.

In one embodiment, one side of the cabinet door 10 is provided with a connecting piece 11, and the connecting piece is provided with a connecting hole 12.

In one embodiment, a gasket 21 is disposed on one side of the cabinet body 20, and a connecting element 22 corresponding to the connecting hole 12 is further disposed on the gasket to open or close the cabinet door 10.

In one embodiment, the electrical element group includes a first electrical element group 40 and a second electrical element group 41, the first electrical element group 40 is disposed at the upper part in the cabinet 20 and is connected with the inner wall of the cabinet 20; the second electrical component group 41 is disposed at the middle lower portion of the cabinet 20 and connected to the inner wall of the cabinet 20. The electric component group that sets up in the cubical switchboard is many, can lead to the circulation of air in the cubical switchboard poor, and the moisture is too high, also can lead to the part to generate heat too big simultaneously, causes the potential safety hazard, consequently, sets up the cubical switchboard with electric component group interval setting, helps improving the good circulation of air in the cubical switchboard.

In one embodiment, the second gas delivery tube 36 is disposed between the first electrical component group 40 and the second electrical component group 41.

In one embodiment, the first gas delivery pipe 33 is provided with a first valve 34.

In one embodiment, a second valve 35 is disposed on the second gas delivery tube 36.

The first valve 34 is disposed on the first gas delivery pipe 33, and the second valve 35 is disposed on the second gas delivery pipe 36, so that the control of the extracted gas can be realized.

In one embodiment, the gas drying assembly 32 includes a housing 320 defining an enclosed interior chamber, a dry fill material, and a gas permeable membrane 323, the gas permeable membrane 323 dividing the interior chamber into a gas drying region 322 and a gas buffer region 321, and the dry fill material disposed within the drying region.

In one embodiment, the dry filler is one or more of calcium chloride particles, calcium oxide particles and absorbent cotton.

In one embodiment, the gas permeable membrane 323 has a plurality of holes therein, and the diameter of the holes is smaller than the particle size of the dry filler.

In one embodiment, the first gas delivery pipe 33 is connected to the gas buffer area 321; the second gas delivery tube 36 is connected to the gas drying zone 322.

In one embodiment, the second air delivery pipe 36 is formed in a T-shape, a vertically disposed portion thereof is connected to the air drying zone 322, and both ends of a horizontally disposed portion thereof are connected to the inner wall of the cabinet 20. I.e., laterally disposed, partially across the cabinet 20, the addition of the dehumidifying apparatus effectively draws air within the cabinet 20 into the dehumidifying apparatus.

In one embodiment, the second gas delivery tube 36 is provided with a gas inlet in a laterally disposed portion thereof.

In one embodiment, the gas inlet comprises a first gas inlet 37 and a second gas inlet 38 on the second gas delivery pipe 36, wherein the opening of the first gas inlet 37 faces upwards, and the opening of the second gas inlet 38 faces downwards. The air inlets with different opening orientations are arranged, so that the air in the cabinet body 20 can be effectively extracted.

In one embodiment, the heat dissipation assembly is a plurality of heat dissipation posts 53.

In one embodiment, the spacing between the heat-dissipating studs 53 is less than the height of the heat-dissipating studs 53.

In one embodiment, the spacing between the heat-dissipating studs 53 is greater than the diameter of the cross-section of the heat-dissipating studs 53.

In one embodiment, the connecting assembly includes a first connecting port 52 and a first connecting bump 54, and the height of the connecting bump is higher than that of the heat dissipating stud 53.

In one embodiment, the heat dissipation plate 51 is provided with at least one composite laminate layer, which is obtained by hot pressing a plurality of metals, such as aluminum metal, copper metal, and iron metal. The heat dissipation plate 51 is arranged on one side close to the electric element group, when the electric element group generates heat excessively, the temperature in the cabinet body 20 is increased, heat can be effectively dispersed on the heat dissipation plate 51 and transferred to the plurality of heat dissipation columns 53, the heat dissipation area is increased, and the heat dissipation efficiency is improved.

In one embodiment, a plurality of second connection ports 23 and a plurality of second connection protrusions 24 are further disposed at the bottom of the cabinet 20, the plurality of second connection ports 23 are connected to the plurality of first connection protrusions 54 in a one-to-one correspondence, and the plurality of second connection protrusions 24 are connected to the plurality of first connection ports 52 in a one-to-one correspondence.

In one embodiment, the second connection port 23 is engaged with the first connection protrusion 54, and the second connection protrusion 24 is engaged with the first connection port 52. The clamping mode is favorable for improving the convenience of mounting and dismounting the heat dissipation device 50, the maintenance is also favorable, and the technical requirement of the mounting is low.

In the novel switch cabinet of this embodiment, air in the cabinet body 20 enters from the first air inlet 37 and the second air inlet 38 under the action of the air pump 30, enters the air drying area 322 along the second air delivery pipe 36, and the dried air enters the air buffer area 321, enters the air pump 30 along the first air delivery pipe 33, and is finally output from the air outlet of the air pump 30, so as to form a good air circulation and achieve the purpose of air drying. When the heat in the cabinet body 20 is too high, the heat dissipation plate 51 can effectively and rapidly dissipate the heat in a heat transfer mode, and the effective heat dissipation effect is increased due to the large area of the heat dissipation column 53, so that the dehumidification and heat dissipation effects are achieved, and the safety of the switch cabinet is improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A switch cabinet comprises a cabinet body and a cabinet door hinged with the cabinet body, and is characterized by further comprising an electric element group, a dehumidifying device and a heat radiating device which are arranged inside the cabinet body, wherein the dehumidifying device comprises an air extracting pump, a first gas conveying pipe, a gas drying component and a second gas conveying pipe; the heat dissipation device comprises a heat dissipation plate, a heat dissipation assembly and a connecting assembly, wherein the heat dissipation assembly is arranged on one side of the heat dissipation plate, the connecting assembly is arranged on the periphery of the heat dissipation plate, and the heat dissipation assembly faces the direction away from the electric element group.

2. The switch cabinet according to claim 1, wherein the electrical component group comprises a first electrical component group and a second electrical component group, the first electrical component group is arranged at the upper part in the cabinet body and is connected with the inner wall of the cabinet body; the second electric element group is arranged at the middle lower part of the cabinet body and is connected with the inner wall of the cabinet body.

3. A switchgear cabinet according to claim 2, characterized in that the second gas duct is arranged between the first set of electrical elements and the second set of electrical elements.

4. The switchgear cabinet according to claim 1, wherein a first valve is provided on the first gas delivery pipe.

5. The switchgear cabinet according to claim 4, wherein the second gas delivery pipe is provided with a second valve.

6. The switchgear as claimed in claim 5, wherein the gas drying assembly comprises a housing, a dry filler and a gas permeable membrane, the housing forms a closed inner chamber, the gas permeable membrane divides the inner chamber into a gas drying region and a gas buffer region, and the dry filler is disposed in the drying region.

7. The switchgear cabinet according to claim 6, wherein the first gas delivery pipe is connected to the gas buffer; the second gas delivery pipe is connected with the gas drying area.

8. The switchgear as claimed in claim 1, wherein the heat dissipating assembly is a plurality of heat dissipating studs.

9. The switchgear as claimed in claim 8, wherein the connection assembly comprises a first connection port and a first connection protrusion, and the height of the connection protrusion is higher than the height of the heat dissipation pillar.

10. The switch cabinet according to claim 9, wherein a second connector and a second connecting bump are further disposed at the bottom of the cabinet body, the second connector is connected with the first connecting bump in a one-to-one correspondence manner, and the second connecting bump is connected with the first connector in a one-to-one correspondence manner.